diff options
201 files changed, 2168 insertions, 2485 deletions
diff --git a/Documentation/networking/s2io.txt b/Documentation/networking/s2io.txt index 4be0c039edb..d2a9f43b554 100644 --- a/Documentation/networking/s2io.txt +++ b/Documentation/networking/s2io.txt @@ -136,16 +136,6 @@ For more information, please review the AMD8131 errata at http://vip.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/ 26310_AMD-8131_HyperTransport_PCI-X_Tunnel_Revision_Guide_rev_3_18.pdf -6. Available Downloads -Neterion "s2io" driver in Red Hat and Suse 2.6-based distributions is kept up -to date, also the latest "s2io" code (including support for 2.4 kernels) is -available via "Support" link on the Neterion site: http://www.neterion.com. - -For Xframe User Guide (Programming manual), visit ftp site ns1.s2io.com, -user: linuxdocs password: HALdocs - -7. Support +6. Support For further support please contact either your 10GbE Xframe NIC vendor (IBM, -HP, SGI etc.) or click on the "Support" link on the Neterion site: -http://www.neterion.com. - +HP, SGI etc.) diff --git a/Documentation/networking/vxge.txt b/Documentation/networking/vxge.txt index d2e2997e6fa..bb76c667a47 100644 --- a/Documentation/networking/vxge.txt +++ b/Documentation/networking/vxge.txt @@ -91,10 +91,3 @@ v) addr_learn_en virtualization environment. Valid range: 0,1 (disabled, enabled respectively) Default: 0 - -4) Troubleshooting: -------------------- - -To resolve an issue with the source code or X3100 series adapter, please collect -the statistics, register dumps using ethool, relevant logs and email them to -support@neterion.com. diff --git a/MAINTAINERS b/MAINTAINERS index 8da1373bd6d..ce7398e1e1e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4638,8 +4638,6 @@ F: net/sched/sch_netem.c NETERION 10GbE DRIVERS (s2io/vxge) M: Jon Mason <jdmason@kudzu.us> L: netdev@vger.kernel.org -W: http://trac.neterion.com/cgi-bin/trac.cgi/wiki/Linux?Anonymous -W: http://trac.neterion.com/cgi-bin/trac.cgi/wiki/X3100Linux?Anonymous S: Supported F: Documentation/networking/s2io.txt F: Documentation/networking/vxge.txt diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index 5c1bc995e56..f10221f4080 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -123,7 +123,7 @@ static void ipoib_ud_skb_put_frags(struct ipoib_dev_priv *priv, skb_frag_size_set(frag, size); skb->data_len += size; - skb->truesize += size; + skb->truesize += PAGE_SIZE; } else skb_put(skb, length); @@ -156,14 +156,18 @@ static struct sk_buff *ipoib_alloc_rx_skb(struct net_device *dev, int id) struct ipoib_dev_priv *priv = netdev_priv(dev); struct sk_buff *skb; int buf_size; + int tailroom; u64 *mapping; - if (ipoib_ud_need_sg(priv->max_ib_mtu)) + if (ipoib_ud_need_sg(priv->max_ib_mtu)) { buf_size = IPOIB_UD_HEAD_SIZE; - else + tailroom = 128; /* reserve some tailroom for IP/TCP headers */ + } else { buf_size = IPOIB_UD_BUF_SIZE(priv->max_ib_mtu); + tailroom = 0; + } - skb = dev_alloc_skb(buf_size + 4); + skb = dev_alloc_skb(buf_size + tailroom + 4); if (unlikely(!skb)) return NULL; diff --git a/drivers/isdn/mISDN/stack.c b/drivers/isdn/mISDN/stack.c index 1a0ae4445ff..5f21f629b7a 100644 --- a/drivers/isdn/mISDN/stack.c +++ b/drivers/isdn/mISDN/stack.c @@ -135,8 +135,8 @@ send_layer2(struct mISDNstack *st, struct sk_buff *skb) skb = NULL; else if (*debug & DEBUG_SEND_ERR) printk(KERN_DEBUG - "%s ch%d mgr prim(%x) addr(%x) err %d\n", - __func__, ch->nr, hh->prim, ch->addr, ret); + "%s mgr prim(%x) err %d\n", + __func__, hh->prim, ret); } out: mutex_unlock(&st->lmutex); diff --git a/drivers/net/bonding/bond_debugfs.c b/drivers/net/bonding/bond_debugfs.c index 3680aa251de..2cf084eb9d5 100644 --- a/drivers/net/bonding/bond_debugfs.c +++ b/drivers/net/bonding/bond_debugfs.c @@ -6,7 +6,7 @@ #include "bonding.h" #include "bond_alb.h" -#ifdef CONFIG_DEBUG_FS +#if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_NET_NS) #include <linux/debugfs.h> #include <linux/seq_file.h> diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index f5a40b925f5..4ddcc3e41da 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -3230,6 +3230,12 @@ static int bond_master_netdev_event(unsigned long event, switch (event) { case NETDEV_CHANGENAME: return bond_event_changename(event_bond); + case NETDEV_UNREGISTER: + bond_remove_proc_entry(event_bond); + break; + case NETDEV_REGISTER: + bond_create_proc_entry(event_bond); + break; default: break; } @@ -4414,8 +4420,6 @@ static void bond_uninit(struct net_device *bond_dev) bond_work_cancel_all(bond); - bond_remove_proc_entry(bond); - bond_debug_unregister(bond); __hw_addr_flush(&bond->mc_list); @@ -4817,7 +4821,6 @@ static int bond_init(struct net_device *bond_dev) bond_set_lockdep_class(bond_dev); - bond_create_proc_entry(bond); list_add_tail(&bond->bond_list, &bn->dev_list); bond_prepare_sysfs_group(bond); diff --git a/drivers/net/cris/eth_v10.c b/drivers/net/cris/eth_v10.c index 9c755db6b16..f0c8bd54ce2 100644 --- a/drivers/net/cris/eth_v10.c +++ b/drivers/net/cris/eth_v10.c @@ -1008,7 +1008,7 @@ e100_send_mdio_bit(unsigned char bit) } static unsigned char -e100_receive_mdio_bit() +e100_receive_mdio_bit(void) { unsigned char bit; *R_NETWORK_MGM_CTRL = 0; diff --git a/drivers/net/ethernet/3com/3c501.c b/drivers/net/ethernet/3com/3c501.c index bf73e1a0229..2038eaabaea 100644 --- a/drivers/net/ethernet/3com/3c501.c +++ b/drivers/net/ethernet/3com/3c501.c @@ -143,7 +143,7 @@ static int irq = 5; static int mem_start; /** - * el1_probe: - probe for a 3c501 + * el1_probe - probe for a 3c501 * @dev: The device structure passed in to probe. * * This can be called from two places. The network layer will probe using diff --git a/drivers/net/ethernet/amd/lance.c b/drivers/net/ethernet/amd/lance.c index a6e2e840884..5c728436b85 100644 --- a/drivers/net/ethernet/amd/lance.c +++ b/drivers/net/ethernet/amd/lance.c @@ -873,10 +873,9 @@ lance_init_ring(struct net_device *dev, gfp_t gfp) skb = alloc_skb(PKT_BUF_SZ, GFP_DMA | gfp); lp->rx_skbuff[i] = skb; - if (skb) { - skb->dev = dev; + if (skb) rx_buff = skb->data; - } else + else rx_buff = kmalloc(PKT_BUF_SZ, GFP_DMA | gfp); if (rx_buff == NULL) lp->rx_ring[i].base = 0; diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c index 85717cb306d..36d3783ebfa 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c @@ -166,7 +166,7 @@ static void atl1c_reset_pcie(struct atl1c_hw *hw, u32 flag) msleep(5); } -/* +/** * atl1c_irq_enable - Enable default interrupt generation settings * @adapter: board private structure */ @@ -179,7 +179,7 @@ static inline void atl1c_irq_enable(struct atl1c_adapter *adapter) } } -/* +/** * atl1c_irq_disable - Mask off interrupt generation on the NIC * @adapter: board private structure */ @@ -192,7 +192,7 @@ static inline void atl1c_irq_disable(struct atl1c_adapter *adapter) synchronize_irq(adapter->pdev->irq); } -/* +/** * atl1c_irq_reset - reset interrupt confiure on the NIC * @adapter: board private structure */ @@ -220,7 +220,7 @@ static u32 atl1c_wait_until_idle(struct atl1c_hw *hw, u32 modu_ctrl) return data; } -/* +/** * atl1c_phy_config - Timer Call-back * @data: pointer to netdev cast into an unsigned long */ @@ -261,7 +261,6 @@ static void atl1c_check_link_status(struct atl1c_adapter *adapter) if ((phy_data & BMSR_LSTATUS) == 0) { /* link down */ netif_carrier_off(netdev); - netif_stop_queue(netdev); hw->hibernate = true; if (atl1c_reset_mac(hw) != 0) if (netif_msg_hw(adapter)) @@ -361,7 +360,7 @@ static void atl1c_del_timer(struct atl1c_adapter *adapter) } -/* +/** * atl1c_tx_timeout - Respond to a Tx Hang * @netdev: network interface device structure */ @@ -374,7 +373,7 @@ static void atl1c_tx_timeout(struct net_device *netdev) schedule_work(&adapter->common_task); } -/* +/** * atl1c_set_multi - Multicast and Promiscuous mode set * @netdev: network interface device structure * @@ -453,7 +452,7 @@ static void atl1c_restore_vlan(struct atl1c_adapter *adapter) atl1c_vlan_mode(adapter->netdev, adapter->netdev->features); } -/* +/** * atl1c_set_mac - Change the Ethernet Address of the NIC * @netdev: network interface device structure * @p: pointer to an address structure @@ -518,7 +517,7 @@ static int atl1c_set_features(struct net_device *netdev, return 0; } -/* +/** * atl1c_change_mtu - Change the Maximum Transfer Unit * @netdev: network interface device structure * @new_mtu: new value for maximum frame size @@ -577,12 +576,6 @@ static void atl1c_mdio_write(struct net_device *netdev, int phy_id, atl1c_write_phy_reg(&adapter->hw, reg_num, val); } -/* - * atl1c_mii_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ static int atl1c_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) { @@ -633,12 +626,6 @@ out: return retval; } -/* - * atl1c_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ static int atl1c_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) { switch (cmd) { @@ -651,7 +638,7 @@ static int atl1c_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) } } -/* +/** * atl1c_alloc_queues - Allocate memory for all rings * @adapter: board private structure to initialize * @@ -755,7 +742,7 @@ static void __devinit atl1c_patch_assign(struct atl1c_hw *hw) i++; } } -/* +/** * atl1c_sw_init - Initialize general software structures (struct atl1c_adapter) * @adapter: board private structure to initialize * @@ -853,7 +840,7 @@ static inline void atl1c_clean_buffer(struct pci_dev *pdev, buffer_info->skb = NULL; ATL1C_SET_BUFFER_STATE(buffer_info, ATL1C_BUFFER_FREE); } -/* +/** * atl1c_clean_tx_ring - Free Tx-skb * @adapter: board private structure */ @@ -878,7 +865,7 @@ static void atl1c_clean_tx_ring(struct atl1c_adapter *adapter, tpd_ring->next_to_use = 0; } -/* +/** * atl1c_clean_rx_ring - Free rx-reservation skbs * @adapter: board private structure */ @@ -931,7 +918,7 @@ static void atl1c_init_ring_ptrs(struct atl1c_adapter *adapter) } } -/* +/** * atl1c_free_ring_resources - Free Tx / RX descriptor Resources * @adapter: board private structure * @@ -954,7 +941,7 @@ static void atl1c_free_ring_resources(struct atl1c_adapter *adapter) } } -/* +/** * atl1c_setup_mem_resources - allocate Tx / RX descriptor resources * @adapter: board private structure * @@ -1363,7 +1350,7 @@ static void atl1c_set_aspm(struct atl1c_hw *hw, u16 link_speed) return; } -/* +/** * atl1c_configure - Configure Transmit&Receive Unit after Reset * @adapter: board private structure * @@ -1477,7 +1464,7 @@ static void atl1c_update_hw_stats(struct atl1c_adapter *adapter) } } -/* +/** * atl1c_get_stats - Get System Network Statistics * @netdev: network interface device structure * @@ -1558,11 +1545,10 @@ static bool atl1c_clean_tx_irq(struct atl1c_adapter *adapter, return true; } -/* +/** * atl1c_intr - Interrupt Handler * @irq: interrupt number * @data: pointer to a network interface device structure - * @pt_regs: CPU registers structure */ static irqreturn_t atl1c_intr(int irq, void *data) { @@ -1813,9 +1799,8 @@ rrs_checked: atl1c_alloc_rx_buffer(adapter); } -/* +/** * atl1c_clean - NAPI Rx polling callback - * @adapter: board private structure */ static int atl1c_clean(struct napi_struct *napi, int budget) { @@ -2270,7 +2255,7 @@ static void atl1c_down(struct atl1c_adapter *adapter) atl1c_reset_dma_ring(adapter); } -/* +/** * atl1c_open - Called when a network interface is made active * @netdev: network interface device structure * @@ -2309,7 +2294,7 @@ err_up: return err; } -/* +/** * atl1c_close - Disables a network interface * @netdev: network interface device structure * @@ -2432,7 +2417,7 @@ static int atl1c_init_netdev(struct net_device *netdev, struct pci_dev *pdev) return 0; } -/* +/** * atl1c_probe - Device Initialization Routine * @pdev: PCI device information struct * @ent: entry in atl1c_pci_tbl @@ -2579,7 +2564,7 @@ err_dma: return err; } -/* +/** * atl1c_remove - Device Removal Routine * @pdev: PCI device information struct * @@ -2605,7 +2590,7 @@ static void __devexit atl1c_remove(struct pci_dev *pdev) free_netdev(netdev); } -/* +/** * atl1c_io_error_detected - called when PCI error is detected * @pdev: Pointer to PCI device * @state: The current pci connection state @@ -2633,7 +2618,7 @@ static pci_ers_result_t atl1c_io_error_detected(struct pci_dev *pdev, return PCI_ERS_RESULT_NEED_RESET; } -/* +/** * atl1c_io_slot_reset - called after the pci bus has been reset. * @pdev: Pointer to PCI device * @@ -2661,7 +2646,7 @@ static pci_ers_result_t atl1c_io_slot_reset(struct pci_dev *pdev) return PCI_ERS_RESULT_RECOVERED; } -/* +/** * atl1c_io_resume - called when traffic can start flowing again. * @pdev: Pointer to PCI device * @@ -2704,7 +2689,7 @@ static struct pci_driver atl1c_driver = { .driver.pm = &atl1c_pm_ops, }; -/* +/** * atl1c_init_module - Driver Registration Routine * * atl1c_init_module is the first routine called when the driver is @@ -2715,7 +2700,7 @@ static int __init atl1c_init_module(void) return pci_register_driver(&atl1c_driver); } -/* +/** * atl1c_exit_module - Driver Exit Cleanup Routine * * atl1c_exit_module is called just before the driver is removed diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c index 0aed82e1bb3..a98acc8a956 100644 --- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c +++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c @@ -89,7 +89,7 @@ static const u16 atl1e_pay_load_size[] = { 128, 256, 512, 1024, 2048, 4096, }; -/* +/** * atl1e_irq_enable - Enable default interrupt generation settings * @adapter: board private structure */ @@ -102,7 +102,7 @@ static inline void atl1e_irq_enable(struct atl1e_adapter *adapter) } } -/* +/** * atl1e_irq_disable - Mask off interrupt generation on the NIC * @adapter: board private structure */ @@ -114,7 +114,7 @@ static inline void atl1e_irq_disable(struct atl1e_adapter *adapter) synchronize_irq(adapter->pdev->irq); } -/* +/** * atl1e_irq_reset - reset interrupt confiure on the NIC * @adapter: board private structure */ @@ -126,7 +126,7 @@ static inline void atl1e_irq_reset(struct atl1e_adapter *adapter) AT_WRITE_FLUSH(&adapter->hw); } -/* +/** * atl1e_phy_config - Timer Call-back * @data: pointer to netdev cast into an unsigned long */ @@ -210,7 +210,7 @@ static int atl1e_check_link(struct atl1e_adapter *adapter) return 0; } -/* +/** * atl1e_link_chg_task - deal with link change event Out of interrupt context * @netdev: network interface device structure */ @@ -259,7 +259,7 @@ static void atl1e_cancel_work(struct atl1e_adapter *adapter) cancel_work_sync(&adapter->link_chg_task); } -/* +/** * atl1e_tx_timeout - Respond to a Tx Hang * @netdev: network interface device structure */ @@ -271,7 +271,7 @@ static void atl1e_tx_timeout(struct net_device *netdev) schedule_work(&adapter->reset_task); } -/* +/** * atl1e_set_multi - Multicast and Promiscuous mode set * @netdev: network interface device structure * @@ -345,7 +345,7 @@ static void atl1e_restore_vlan(struct atl1e_adapter *adapter) atl1e_vlan_mode(adapter->netdev, adapter->netdev->features); } -/* +/** * atl1e_set_mac - Change the Ethernet Address of the NIC * @netdev: network interface device structure * @p: pointer to an address structure @@ -397,7 +397,7 @@ static int atl1e_set_features(struct net_device *netdev, return 0; } -/* +/** * atl1e_change_mtu - Change the Maximum Transfer Unit * @netdev: network interface device structure * @new_mtu: new value for maximum frame size @@ -449,12 +449,6 @@ static void atl1e_mdio_write(struct net_device *netdev, int phy_id, atl1e_write_phy_reg(&adapter->hw, reg_num & MDIO_REG_ADDR_MASK, val); } -/* - * atl1e_mii_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ static int atl1e_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) { @@ -505,12 +499,6 @@ out: } -/* - * atl1e_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ static int atl1e_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) { switch (cmd) { @@ -541,7 +529,7 @@ static void atl1e_setup_pcicmd(struct pci_dev *pdev) msleep(1); } -/* +/** * atl1e_alloc_queues - Allocate memory for all rings * @adapter: board private structure to initialize * @@ -551,7 +539,7 @@ static int __devinit atl1e_alloc_queues(struct atl1e_adapter *adapter) return 0; } -/* +/** * atl1e_sw_init - Initialize general software structures (struct atl1e_adapter) * @adapter: board private structure to initialize * @@ -635,7 +623,7 @@ static int __devinit atl1e_sw_init(struct atl1e_adapter *adapter) return 0; } -/* +/** * atl1e_clean_tx_ring - Free Tx-skb * @adapter: board private structure */ @@ -678,7 +666,7 @@ static void atl1e_clean_tx_ring(struct atl1e_adapter *adapter) ring_count); } -/* +/** * atl1e_clean_rx_ring - Free rx-reservation skbs * @adapter: board private structure */ @@ -761,7 +749,7 @@ static void atl1e_init_ring_ptrs(struct atl1e_adapter *adapter) } } -/* +/** * atl1e_free_ring_resources - Free Tx / RX descriptor Resources * @adapter: board private structure * @@ -786,7 +774,7 @@ static void atl1e_free_ring_resources(struct atl1e_adapter *adapter) } } -/* +/** * atl1e_setup_mem_resources - allocate Tx / RX descriptor resources * @adapter: board private structure * @@ -1075,7 +1063,7 @@ static void atl1e_setup_mac_ctrl(struct atl1e_adapter *adapter) AT_WRITE_REG(hw, REG_MAC_CTRL, value); } -/* +/** * atl1e_configure - Configure Transmit&Receive Unit after Reset * @adapter: board private structure * @@ -1145,7 +1133,7 @@ static int atl1e_configure(struct atl1e_adapter *adapter) return 0; } -/* +/** * atl1e_get_stats - Get System Network Statistics * @netdev: network interface device structure * @@ -1257,11 +1245,10 @@ static bool atl1e_clean_tx_irq(struct atl1e_adapter *adapter) return true; } -/* +/** * atl1e_intr - Interrupt Handler * @irq: interrupt number * @data: pointer to a network interface device structure - * @pt_regs: CPU registers structure */ static irqreturn_t atl1e_intr(int irq, void *data) { @@ -1489,9 +1476,8 @@ fatal_err: schedule_work(&adapter->reset_task); } -/* +/** * atl1e_clean - NAPI Rx polling callback - * @adapter: board private structure */ static int atl1e_clean(struct napi_struct *napi, int budget) { @@ -1956,7 +1942,7 @@ void atl1e_down(struct atl1e_adapter *adapter) atl1e_clean_rx_ring(adapter); } -/* +/** * atl1e_open - Called when a network interface is made active * @netdev: network interface device structure * @@ -2002,7 +1988,7 @@ err_req_irq: return err; } -/* +/** * atl1e_close - Disables a network interface * @netdev: network interface device structure * @@ -2238,7 +2224,7 @@ static int atl1e_init_netdev(struct net_device *netdev, struct pci_dev *pdev) return 0; } -/* +/** * atl1e_probe - Device Initialization Routine * @pdev: PCI device information struct * @ent: entry in atl1e_pci_tbl @@ -2392,7 +2378,7 @@ err_dma: return err; } -/* +/** * atl1e_remove - Device Removal Routine * @pdev: PCI device information struct * @@ -2424,7 +2410,7 @@ static void __devexit atl1e_remove(struct pci_dev *pdev) pci_disable_device(pdev); } -/* +/** * atl1e_io_error_detected - called when PCI error is detected * @pdev: Pointer to PCI device * @state: The current pci connection state @@ -2452,7 +2438,7 @@ atl1e_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) return PCI_ERS_RESULT_NEED_RESET; } -/* +/** * atl1e_io_slot_reset - called after the pci bus has been reset. * @pdev: Pointer to PCI device * @@ -2479,7 +2465,7 @@ static pci_ers_result_t atl1e_io_slot_reset(struct pci_dev *pdev) return PCI_ERS_RESULT_RECOVERED; } -/* +/** * atl1e_io_resume - called when traffic can start flowing again. * @pdev: Pointer to PCI device * @@ -2523,7 +2509,7 @@ static struct pci_driver atl1e_driver = { .err_handler = &atl1e_err_handler }; -/* +/** * atl1e_init_module - Driver Registration Routine * * atl1e_init_module is the first routine called when the driver is @@ -2534,7 +2520,7 @@ static int __init atl1e_init_module(void) return pci_register_driver(&atl1e_driver); } -/* +/** * atl1e_exit_module - Driver Exit Cleanup Routine * * atl1e_exit_module is called just before the driver is removed diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_param.c b/drivers/net/ethernet/atheros/atl1e/atl1e_param.c index 0ce60b6e7ef..b5086f1e637 100644 --- a/drivers/net/ethernet/atheros/atl1e/atl1e_param.c +++ b/drivers/net/ethernet/atheros/atl1e/atl1e_param.c @@ -168,7 +168,7 @@ static int __devinit atl1e_validate_option(int *value, struct atl1e_option *opt, return -1; } -/* +/** * atl1e_check_options - Range Checking for Command Line Parameters * @adapter: board private structure * diff --git a/drivers/net/ethernet/atheros/atlx/atl1.c b/drivers/net/ethernet/atheros/atlx/atl1.c index 149a294d54e..f2402f355ce 100644 --- a/drivers/net/ethernet/atheros/atlx/atl1.c +++ b/drivers/net/ethernet/atheros/atlx/atl1.c @@ -195,7 +195,7 @@ static int __devinit atl1_validate_option(int *value, struct atl1_option *opt, return -1; } -/* +/** * atl1_check_options - Range Checking for Command Line Parameters * @adapter: board private structure * @@ -937,7 +937,7 @@ static void atl1_set_mac_addr(struct atl1_hw *hw) iowrite32(value, (hw->hw_addr + REG_MAC_STA_ADDR) + (1 << 2)); } -/* +/** * atl1_sw_init - Initialize general software structures (struct atl1_adapter) * @adapter: board private structure to initialize * @@ -1014,12 +1014,6 @@ static void mdio_write(struct net_device *netdev, int phy_id, int reg_num, atl1_write_phy_reg(&adapter->hw, reg_num, val); } -/* - * atl1_mii_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ static int atl1_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) { struct atl1_adapter *adapter = netdev_priv(netdev); @@ -1036,7 +1030,7 @@ static int atl1_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) return retval; } -/* +/** * atl1_setup_mem_resources - allocate Tx / RX descriptor resources * @adapter: board private structure * @@ -1147,7 +1141,7 @@ static void atl1_init_ring_ptrs(struct atl1_adapter *adapter) atomic_set(&rrd_ring->next_to_clean, 0); } -/* +/** * atl1_clean_rx_ring - Free RFD Buffers * @adapter: board private structure */ @@ -1187,7 +1181,7 @@ static void atl1_clean_rx_ring(struct atl1_adapter *adapter) atomic_set(&rrd_ring->next_to_clean, 0); } -/* +/** * atl1_clean_tx_ring - Free Tx Buffers * @adapter: board private structure */ @@ -1227,7 +1221,7 @@ static void atl1_clean_tx_ring(struct atl1_adapter *adapter) atomic_set(&tpd_ring->next_to_clean, 0); } -/* +/** * atl1_free_ring_resources - Free Tx / RX descriptor Resources * @adapter: board private structure * @@ -1470,7 +1464,7 @@ static void set_flow_ctrl_new(struct atl1_hw *hw) iowrite32(value, hw->hw_addr + REG_RXQ_RRD_PAUSE_THRESH); } -/* +/** * atl1_configure - Configure Transmit&Receive Unit after Reset * @adapter: board private structure * @@ -1844,7 +1838,7 @@ static void atl1_rx_checksum(struct atl1_adapter *adapter, } } -/* +/** * atl1_alloc_rx_buffers - Replace used receive buffers * @adapter: address of board private structure */ @@ -2489,11 +2483,10 @@ static inline int atl1_sched_rings_clean(struct atl1_adapter* adapter) return 1; } -/* +/** * atl1_intr - Interrupt Handler * @irq: interrupt number * @data: pointer to a network interface device structure - * @pt_regs: CPU registers structure */ static irqreturn_t atl1_intr(int irq, void *data) { @@ -2574,7 +2567,7 @@ static irqreturn_t atl1_intr(int irq, void *data) } -/* +/** * atl1_phy_config - Timer Call-back * @data: pointer to netdev cast into an unsigned long */ @@ -2693,7 +2686,7 @@ static void atl1_reset_dev_task(struct work_struct *work) netif_device_attach(netdev); } -/* +/** * atl1_change_mtu - Change the Maximum Transfer Unit * @netdev: network interface device structure * @new_mtu: new value for maximum frame size @@ -2727,7 +2720,7 @@ static int atl1_change_mtu(struct net_device *netdev, int new_mtu) return 0; } -/* +/** * atl1_open - Called when a network interface is made active * @netdev: network interface device structure * @@ -2762,7 +2755,7 @@ err_up: return err; } -/* +/** * atl1_close - Disables a network interface * @netdev: network interface device structure * @@ -2930,7 +2923,7 @@ static const struct net_device_ops atl1_netdev_ops = { #endif }; -/* +/** * atl1_probe - Device Initialization Routine * @pdev: PCI device information struct * @ent: entry in atl1_pci_tbl @@ -3111,7 +3104,7 @@ err_request_regions: return err; } -/* +/** * atl1_remove - Device Removal Routine * @pdev: PCI device information struct * @@ -3158,7 +3151,7 @@ static struct pci_driver atl1_driver = { .driver.pm = ATL1_PM_OPS, }; -/* +/** * atl1_exit_module - Driver Exit Cleanup Routine * * atl1_exit_module is called just before the driver is removed @@ -3169,7 +3162,7 @@ static void __exit atl1_exit_module(void) pci_unregister_driver(&atl1_driver); } -/* +/** * atl1_init_module - Driver Registration Routine * * atl1_init_module is the first routine called when the driver is diff --git a/drivers/net/ethernet/atheros/atlx/atl2.c b/drivers/net/ethernet/atheros/atlx/atl2.c index 6762dc406b2..7c0b7e2bcb6 100644 --- a/drivers/net/ethernet/atheros/atlx/atl2.c +++ b/drivers/net/ethernet/atheros/atlx/atl2.c @@ -75,7 +75,7 @@ static void atl2_set_ethtool_ops(struct net_device *netdev); static void atl2_check_options(struct atl2_adapter *adapter); -/* +/** * atl2_sw_init - Initialize general software structures (struct atl2_adapter) * @adapter: board private structure to initialize * @@ -123,7 +123,7 @@ static int __devinit atl2_sw_init(struct atl2_adapter *adapter) return 0; } -/* +/** * atl2_set_multi - Multicast and Promiscuous mode set * @netdev: network interface device structure * @@ -177,7 +177,7 @@ static void init_ring_ptrs(struct atl2_adapter *adapter) adapter->txs_next_clear = 0; } -/* +/** * atl2_configure - Configure Transmit&Receive Unit after Reset * @adapter: board private structure * @@ -283,7 +283,7 @@ static int atl2_configure(struct atl2_adapter *adapter) return value; } -/* +/** * atl2_setup_ring_resources - allocate Tx / RX descriptor resources * @adapter: board private structure * @@ -340,7 +340,7 @@ static s32 atl2_setup_ring_resources(struct atl2_adapter *adapter) return 0; } -/* +/** * atl2_irq_enable - Enable default interrupt generation settings * @adapter: board private structure */ @@ -350,7 +350,7 @@ static inline void atl2_irq_enable(struct atl2_adapter *adapter) ATL2_WRITE_FLUSH(&adapter->hw); } -/* +/** * atl2_irq_disable - Mask off interrupt generation on the NIC * @adapter: board private structure */ @@ -599,11 +599,10 @@ static inline void atl2_clear_phy_int(struct atl2_adapter *adapter) spin_unlock(&adapter->stats_lock); } -/* +/** * atl2_intr - Interrupt Handler * @irq: interrupt number * @data: pointer to a network interface device structure - * @pt_regs: CPU registers structure */ static irqreturn_t atl2_intr(int irq, void *data) { @@ -679,7 +678,7 @@ static int atl2_request_irq(struct atl2_adapter *adapter) netdev); } -/* +/** * atl2_free_ring_resources - Free Tx / RX descriptor Resources * @adapter: board private structure * @@ -692,7 +691,7 @@ static void atl2_free_ring_resources(struct atl2_adapter *adapter) adapter->ring_dma); } -/* +/** * atl2_open - Called when a network interface is made active * @netdev: network interface device structure * @@ -798,7 +797,7 @@ static void atl2_free_irq(struct atl2_adapter *adapter) #endif } -/* +/** * atl2_close - Disables a network interface * @netdev: network interface device structure * @@ -918,7 +917,7 @@ static netdev_tx_t atl2_xmit_frame(struct sk_buff *skb, return NETDEV_TX_OK; } -/* +/** * atl2_change_mtu - Change the Maximum Transfer Unit * @netdev: network interface device structure * @new_mtu: new value for maximum frame size @@ -943,7 +942,7 @@ static int atl2_change_mtu(struct net_device *netdev, int new_mtu) return 0; } -/* +/** * atl2_set_mac - Change the Ethernet Address of the NIC * @netdev: network interface device structure * @p: pointer to an address structure @@ -969,12 +968,6 @@ static int atl2_set_mac(struct net_device *netdev, void *p) return 0; } -/* - * atl2_mii_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ static int atl2_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) { struct atl2_adapter *adapter = netdev_priv(netdev); @@ -1011,12 +1004,6 @@ static int atl2_mii_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) return 0; } -/* - * atl2_ioctl - - * @netdev: - * @ifreq: - * @cmd: - */ static int atl2_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) { switch (cmd) { @@ -1033,7 +1020,7 @@ static int atl2_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) } } -/* +/** * atl2_tx_timeout - Respond to a Tx Hang * @netdev: network interface device structure */ @@ -1045,7 +1032,7 @@ static void atl2_tx_timeout(struct net_device *netdev) schedule_work(&adapter->reset_task); } -/* +/** * atl2_watchdog - Timer Call-back * @data: pointer to netdev cast into an unsigned long */ @@ -1070,7 +1057,7 @@ static void atl2_watchdog(unsigned long data) } } -/* +/** * atl2_phy_config - Timer Call-back * @data: pointer to netdev cast into an unsigned long */ @@ -1274,9 +1261,8 @@ static int atl2_check_link(struct atl2_adapter *adapter) return 0; } -/* +/** * atl2_link_chg_task - deal with link change event Out of interrupt context - * @netdev: network interface device structure */ static void atl2_link_chg_task(struct work_struct *work) { @@ -1341,7 +1327,7 @@ static const struct net_device_ops atl2_netdev_ops = { #endif }; -/* +/** * atl2_probe - Device Initialization Routine * @pdev: PCI device information struct * @ent: entry in atl2_pci_tbl @@ -1501,7 +1487,7 @@ err_dma: return err; } -/* +/** * atl2_remove - Device Removal Routine * @pdev: PCI device information struct * @@ -1728,7 +1714,7 @@ static struct pci_driver atl2_driver = { .shutdown = atl2_shutdown, }; -/* +/** * atl2_init_module - Driver Registration Routine * * atl2_init_module is the first routine called when the driver is @@ -1743,7 +1729,7 @@ static int __init atl2_init_module(void) } module_init(atl2_init_module); -/* +/** * atl2_exit_module - Driver Exit Cleanup Routine * * atl2_exit_module is called just before the driver is removed @@ -2997,7 +2983,7 @@ static int __devinit atl2_validate_option(int *value, struct atl2_option *opt) return -1; } -/* +/** * atl2_check_options - Range Checking for Command Line Parameters * @adapter: board private structure * diff --git a/drivers/net/ethernet/atheros/atlx/atlx.c b/drivers/net/ethernet/atheros/atlx/atlx.c index b4f3aa49a7f..77ffbc4a507 100644 --- a/drivers/net/ethernet/atheros/atlx/atlx.c +++ b/drivers/net/ethernet/atheros/atlx/atlx.c @@ -64,7 +64,7 @@ static int atlx_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd) } } -/* +/** * atlx_set_mac - Change the Ethernet Address of the NIC * @netdev: network interface device structure * @p: pointer to an address structure @@ -115,7 +115,7 @@ static void atlx_check_for_link(struct atlx_adapter *adapter) schedule_work(&adapter->link_chg_task); } -/* +/** * atlx_set_multi - Multicast and Promiscuous mode set * @netdev: network interface device structure * @@ -162,7 +162,7 @@ static inline void atlx_imr_set(struct atlx_adapter *adapter, ioread32(adapter->hw.hw_addr + REG_IMR); } -/* +/** * atlx_irq_enable - Enable default interrupt generation settings * @adapter: board private structure */ @@ -172,7 +172,7 @@ static void atlx_irq_enable(struct atlx_adapter *adapter) adapter->int_enabled = true; } -/* +/** * atlx_irq_disable - Mask off interrupt generation on the NIC * @adapter: board private structure */ @@ -193,7 +193,7 @@ static void atlx_clear_phy_int(struct atlx_adapter *adapter) spin_unlock_irqrestore(&adapter->lock, flags); } -/* +/** * atlx_tx_timeout - Respond to a Tx Hang * @netdev: network interface device structure */ diff --git a/drivers/net/ethernet/broadcom/b44.c b/drivers/net/ethernet/broadcom/b44.c index 46b8b7d8163..d09c6b583d1 100644 --- a/drivers/net/ethernet/broadcom/b44.c +++ b/drivers/net/ethernet/broadcom/b44.c @@ -656,7 +656,7 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked) dma_unmap_single(bp->sdev->dma_dev, mapping, RX_PKT_BUF_SZ, DMA_FROM_DEVICE); dev_kfree_skb_any(skb); - skb = __netdev_alloc_skb(bp->dev, RX_PKT_BUF_SZ, GFP_ATOMIC|GFP_DMA); + skb = alloc_skb(RX_PKT_BUF_SZ, GFP_ATOMIC | GFP_DMA); if (skb == NULL) return -ENOMEM; mapping = dma_map_single(bp->sdev->dma_dev, skb->data, @@ -967,7 +967,7 @@ static netdev_tx_t b44_start_xmit(struct sk_buff *skb, struct net_device *dev) dma_unmap_single(bp->sdev->dma_dev, mapping, len, DMA_TO_DEVICE); - bounce_skb = __netdev_alloc_skb(dev, len, GFP_ATOMIC | GFP_DMA); + bounce_skb = alloc_skb(len, GFP_ATOMIC | GFP_DMA); if (!bounce_skb) goto err_out; diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index 1901da15331..0ced154129a 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -5377,7 +5377,7 @@ bnx2_free_tx_skbs(struct bnx2 *bp) int k, last; if (skb == NULL) { - j++; + j = NEXT_TX_BD(j); continue; } @@ -5389,8 +5389,8 @@ bnx2_free_tx_skbs(struct bnx2 *bp) tx_buf->skb = NULL; last = tx_buf->nr_frags; - j++; - for (k = 0; k < last; k++, j++) { + j = NEXT_TX_BD(j); + for (k = 0; k < last; k++, j = NEXT_TX_BD(j)) { tx_buf = &txr->tx_buf_ring[TX_RING_IDX(j)]; dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(tx_buf, mapping), diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index d2dc420df5b..52f33b8c41e 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -1741,15 +1741,6 @@ int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac, struct bnx2x_vlan_mac_obj *obj, bool set, int mac_type, unsigned long *ramrod_flags); /** - * Deletes all MACs configured for the specific MAC object. - * - * @param bp Function driver instance - * @param mac_obj MAC object to cleanup - * - * @return zero if all MACs were cleaned - */ - -/** * bnx2x_del_all_macs - delete all MACs configured for the specific MAC object * * @bp: driver handle diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h index 53659f321d5..dfa757e7429 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h @@ -90,7 +90,7 @@ void bnx2x_send_unload_done(struct bnx2x *bp); * bnx2x_config_rss_pf - configure RSS parameters in a PF. * * @bp: driver handle - * @rss_obj RSS object to use + * @rss_obj: RSS object to use * @ind_table: indirection table to configure * @config_hash: re-configure RSS hash keys configuration */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_fw_defs.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_fw_defs.h index 426f77aa721..bbc66ced9c2 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_fw_defs.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_fw_defs.h @@ -321,9 +321,7 @@ #define DISABLE_STATISTIC_COUNTER_ID_VALUE 0 -/** - * This file defines HSI constants common to all microcode flows - */ +/* This file defines HSI constants common to all microcode flows */ #define PROTOCOL_STATE_BIT_OFFSET 6 diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h index c05f9d94938..51cac813005 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h @@ -493,8 +493,7 @@ struct bnx2x_ets_params { struct bnx2x_ets_cos_params cos[DCBX_MAX_NUM_COS]; }; -/** - * Used to update the PFC attributes in EMAC, BMAC, NIG and BRB +/* Used to update the PFC attributes in EMAC, BMAC, NIG and BRB * when link is already up */ int bnx2x_update_pfc(struct link_params *params, diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 5b8b521bdbc..08eca3ff7db 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -11560,8 +11560,7 @@ static void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n) } } -/** - * IRO array is stored in the following format: +/* IRO array is stored in the following format: * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) } */ static void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h index f371e3c0609..ec62a5c8bd3 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h @@ -7275,8 +7275,7 @@ Theotherbitsarereservedandshouldbezero*/ #define CDU_REGION_NUMBER_UCM_AG 4 -/** - * String-to-compress [31:8] = CID (all 24 bits) +/* String-to-compress [31:8] = CID (all 24 bits) * String-to-compress [7:4] = Region * String-to-compress [3:0] = Type */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h index 76818ef08f9..f83e033da6d 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h @@ -167,9 +167,8 @@ typedef int (*exe_q_remove)(struct bnx2x *bp, union bnx2x_qable_obj *o, struct bnx2x_exeq_elem *elem); -/** - * @return positive is entry was optimized, 0 - if not, negative - * in case of an error. +/* Return positive if entry was optimized, 0 - if not, negative + * in case of an error. */ typedef int (*exe_q_optimize)(struct bnx2x *bp, union bnx2x_qable_obj *o, @@ -1286,12 +1285,11 @@ void bnx2x_init_rx_mode_obj(struct bnx2x *bp, struct bnx2x_rx_mode_obj *o); /** - * Send and RX_MODE ramrod according to the provided parameters. + * bnx2x_config_rx_mode - Send and RX_MODE ramrod according to the provided parameters. * - * @param bp - * @param p Command parameters + * @p: Command parameters * - * @return 0 - if operation was successfull and there is no pending completions, + * Return: 0 - if operation was successfull and there is no pending completions, * positive number - if there are pending completions, * negative - if there were errors */ @@ -1308,7 +1306,11 @@ void bnx2x_init_mcast_obj(struct bnx2x *bp, bnx2x_obj_type type); /** - * Configure multicast MACs list. May configure a new list + * bnx2x_config_mcast - Configure multicast MACs list. + * + * @cmd: command to execute: BNX2X_MCAST_CMD_X + * + * May configure a new list * provided in p->mcast_list (BNX2X_MCAST_CMD_ADD), clean up * (BNX2X_MCAST_CMD_DEL) or restore (BNX2X_MCAST_CMD_RESTORE) a current * configuration, continue to execute the pending commands @@ -1319,11 +1321,7 @@ void bnx2x_init_mcast_obj(struct bnx2x *bp, * the current command will be enqueued to the tail of the * pending commands list. * - * @param bp - * @param p - * @param command to execute: BNX2X_MCAST_CMD_X - * - * @return 0 is operation was sucessfull and there are no pending completions, + * Return: 0 is operation was sucessfull and there are no pending completions, * negative if there were errors, positive if there are pending * completions. */ @@ -1348,21 +1346,17 @@ void bnx2x_init_rss_config_obj(struct bnx2x *bp, bnx2x_obj_type type); /** - * Updates RSS configuration according to provided parameters. - * - * @param bp - * @param p + * bnx2x_config_rss - Updates RSS configuration according to provided parameters * - * @return 0 in case of success + * Return: 0 in case of success */ int bnx2x_config_rss(struct bnx2x *bp, struct bnx2x_config_rss_params *p); /** - * Return the current ind_table configuration. + * bnx2x_get_rss_ind_table - Return the current ind_table configuration. * - * @param bp - * @param ind_table buffer to fill with the current indirection + * @ind_table: buffer to fill with the current indirection * table content. Should be at least * T_ETH_INDIRECTION_TABLE_SIZE bytes long. */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c index 514a528f6dd..667d89042d3 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c @@ -1321,12 +1321,9 @@ static void bnx2x_port_stats_base_init(struct bnx2x *bp) bnx2x_stats_comp(bp); } -/** - * This function will prepare the statistics ramrod data the way +/* This function will prepare the statistics ramrod data the way * we will only have to increment the statistics counter and * send the ramrod each time we have to. - * - * @param bp */ static void bnx2x_prep_fw_stats_req(struct bnx2x *bp) { diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c index 22ad7b6d904..3b4fc61f24c 100644 --- a/drivers/net/ethernet/broadcom/cnic.c +++ b/drivers/net/ethernet/broadcom/cnic.c @@ -542,7 +542,8 @@ int cnic_unregister_driver(int ulp_type) } if (atomic_read(&ulp_ops->ref_count) != 0) - netdev_warn(dev->netdev, "Failed waiting for ref count to go to zero\n"); + pr_warn("%s: Failed waiting for ref count to go to zero\n", + __func__); return 0; out_unlock: @@ -5542,9 +5543,7 @@ static void cnic_rcv_netevent(struct cnic_local *cp, unsigned long event, rcu_read_unlock(); } -/** - * netdev event handler - */ +/* netdev event handler */ static int cnic_netdev_event(struct notifier_block *this, unsigned long event, void *ptr) { diff --git a/drivers/net/ethernet/brocade/bna/bfa_cee.c b/drivers/net/ethernet/brocade/bna/bfa_cee.c index 689e5e19cc0..550d2521ba7 100644 --- a/drivers/net/ethernet/brocade/bna/bfa_cee.c +++ b/drivers/net/ethernet/brocade/bna/bfa_cee.c @@ -52,13 +52,7 @@ bfa_cee_format_lldp_cfg(struct bfa_cee_lldp_cfg *lldp_cfg) } /** - * bfa_cee_attr_meminfo() - * - * @brief Returns the size of the DMA memory needed by CEE attributes - * - * @param[in] void - * - * @return Size of DMA region + * bfa_cee_attr_meminfo - Returns the size of the DMA memory needed by CEE attributes */ static u32 bfa_cee_attr_meminfo(void) @@ -66,13 +60,7 @@ bfa_cee_attr_meminfo(void) return roundup(sizeof(struct bfa_cee_attr), BFA_DMA_ALIGN_SZ); } /** - * bfa_cee_stats_meminfo() - * - * @brief Returns the size of the DMA memory needed by CEE stats - * - * @param[in] void - * - * @return Size of DMA region + * bfa_cee_stats_meminfo - Returns the size of the DMA memory needed by CEE stats */ static u32 bfa_cee_stats_meminfo(void) @@ -81,14 +69,10 @@ bfa_cee_stats_meminfo(void) } /** - * bfa_cee_get_attr_isr() - * - * @brief CEE ISR for get-attributes responses from f/w - * - * @param[in] cee - Pointer to the CEE module - * status - Return status from the f/w + * bfa_cee_get_attr_isr - CEE ISR for get-attributes responses from f/w * - * @return void + * @cee: Pointer to the CEE module + * @status: Return status from the f/w */ static void bfa_cee_get_attr_isr(struct bfa_cee *cee, enum bfa_status status) @@ -105,14 +89,10 @@ bfa_cee_get_attr_isr(struct bfa_cee *cee, enum bfa_status status) } /** - * bfa_cee_get_attr_isr() - * - * @brief CEE ISR for get-stats responses from f/w + * bfa_cee_get_attr_isr - CEE ISR for get-stats responses from f/w * - * @param[in] cee - Pointer to the CEE module - * status - Return status from the f/w - * - * @return void + * @cee: Pointer to the CEE module + * @status: Return status from the f/w */ static void bfa_cee_get_stats_isr(struct bfa_cee *cee, enum bfa_status status) @@ -147,13 +127,7 @@ bfa_cee_reset_stats_isr(struct bfa_cee *cee, enum bfa_status status) cee->cbfn.reset_stats_cbfn(cee->cbfn.reset_stats_cbarg, status); } /** - * bfa_nw_cee_meminfo() - * - * @brief Returns the size of the DMA memory needed by CEE module - * - * @param[in] void - * - * @return Size of DMA region + * bfa_nw_cee_meminfo - Returns the size of the DMA memory needed by CEE module */ u32 bfa_nw_cee_meminfo(void) @@ -162,15 +136,11 @@ bfa_nw_cee_meminfo(void) } /** - * bfa_nw_cee_mem_claim() - * - * @brief Initialized CEE DMA Memory - * - * @param[in] cee CEE module pointer - * dma_kva Kernel Virtual Address of CEE DMA Memory - * dma_pa Physical Address of CEE DMA Memory + * bfa_nw_cee_mem_claim - Initialized CEE DMA Memory * - * @return void + * @cee: CEE module pointer + * @dma_kva: Kernel Virtual Address of CEE DMA Memory + * @dma_pa: Physical Address of CEE DMA Memory */ void bfa_nw_cee_mem_claim(struct bfa_cee *cee, u8 *dma_kva, u64 dma_pa) @@ -185,13 +155,11 @@ bfa_nw_cee_mem_claim(struct bfa_cee *cee, u8 *dma_kva, u64 dma_pa) } /** - * bfa_cee_get_attr() - * - * @brief Send the request to the f/w to fetch CEE attributes. + * bfa_cee_get_attr - Send the request to the f/w to fetch CEE attributes. * - * @param[in] Pointer to the CEE module data structure. + * @cee: Pointer to the CEE module data structure. * - * @return Status + * Return: status */ enum bfa_status bfa_nw_cee_get_attr(struct bfa_cee *cee, struct bfa_cee_attr *attr, @@ -220,13 +188,7 @@ bfa_nw_cee_get_attr(struct bfa_cee *cee, struct bfa_cee_attr *attr, } /** - * bfa_cee_isrs() - * - * @brief Handles Mail-box interrupts for CEE module. - * - * @param[in] Pointer to the CEE module data structure. - * - * @return void + * bfa_cee_isrs - Handles Mail-box interrupts for CEE module. */ static void @@ -253,14 +215,9 @@ bfa_cee_isr(void *cbarg, struct bfi_mbmsg *m) } /** - * bfa_cee_notify() - * - * @brief CEE module heart-beat failure handler. - * @brief CEE module IOC event handler. - * - * @param[in] IOC event type + * bfa_cee_notify - CEE module heart-beat failure handler. * - * @return void + * @event: IOC event type */ static void @@ -307,17 +264,13 @@ bfa_cee_notify(void *arg, enum bfa_ioc_event event) } /** - * bfa_nw_cee_attach() - * - * @brief CEE module-attach API + * bfa_nw_cee_attach - CEE module-attach API * - * @param[in] cee - Pointer to the CEE module data structure - * ioc - Pointer to the ioc module data structure - * dev - Pointer to the device driver module data structure - * The device driver specific mbox ISR functions have - * this pointer as one of the parameters. - * - * @return void + * @cee: Pointer to the CEE module data structure + * @ioc: Pointer to the ioc module data structure + * @dev: Pointer to the device driver module data structure. + * The device driver specific mbox ISR functions have + * this pointer as one of the parameters. */ void bfa_nw_cee_attach(struct bfa_cee *cee, struct bfa_ioc *ioc, diff --git a/drivers/net/ethernet/brocade/bna/bfa_cs.h b/drivers/net/ethernet/brocade/bna/bfa_cs.h index 3da1a946ccd..ad004a4c389 100644 --- a/drivers/net/ethernet/brocade/bna/bfa_cs.h +++ b/drivers/net/ethernet/brocade/bna/bfa_cs.h @@ -16,23 +16,18 @@ * www.brocade.com */ -/** - * @file bfa_cs.h BFA common services - */ +/* BFA common services */ #ifndef __BFA_CS_H__ #define __BFA_CS_H__ #include "cna.h" -/** - * @ BFA state machine interfaces - */ +/* BFA state machine interfaces */ typedef void (*bfa_sm_t)(void *sm, int event); -/** - * oc - object class eg. bfa_ioc +/* oc - object class eg. bfa_ioc * st - state, eg. reset * otype - object type, eg. struct bfa_ioc * etype - object type, eg. enum ioc_event @@ -45,9 +40,7 @@ typedef void (*bfa_sm_t)(void *sm, int event); #define bfa_sm_get_state(_sm) ((_sm)->sm) #define bfa_sm_cmp_state(_sm, _state) ((_sm)->sm == (bfa_sm_t)(_state)) -/** - * For converting from state machine function to state encoding. - */ +/* For converting from state machine function to state encoding. */ struct bfa_sm_table { bfa_sm_t sm; /*!< state machine function */ int state; /*!< state machine encoding */ @@ -55,13 +48,10 @@ struct bfa_sm_table { }; #define BFA_SM(_sm) ((bfa_sm_t)(_sm)) -/** - * State machine with entry actions. - */ +/* State machine with entry actions. */ typedef void (*bfa_fsm_t)(void *fsm, int event); -/** - * oc - object class eg. bfa_ioc +/* oc - object class eg. bfa_ioc * st - state, eg. reset * otype - object type, eg. struct bfa_ioc * etype - object type, eg. enum ioc_event @@ -90,9 +80,7 @@ bfa_sm_to_state(const struct bfa_sm_table *smt, bfa_sm_t sm) return smt[i].state; } -/** - * @ Generic wait counter. - */ +/* Generic wait counter. */ typedef void (*bfa_wc_resume_t) (void *cbarg); @@ -116,9 +104,7 @@ bfa_wc_down(struct bfa_wc *wc) wc->wc_resume(wc->wc_cbarg); } -/** - * Initialize a waiting counter. - */ +/* Initialize a waiting counter. */ static inline void bfa_wc_init(struct bfa_wc *wc, bfa_wc_resume_t wc_resume, void *wc_cbarg) { @@ -128,9 +114,7 @@ bfa_wc_init(struct bfa_wc *wc, bfa_wc_resume_t wc_resume, void *wc_cbarg) bfa_wc_up(wc); } -/** - * Wait for counter to reach zero - */ +/* Wait for counter to reach zero */ static inline void bfa_wc_wait(struct bfa_wc *wc) { diff --git a/drivers/net/ethernet/brocade/bna/bfa_defs.h b/drivers/net/ethernet/brocade/bna/bfa_defs.h index 48f87733739..e423f82da49 100644 --- a/drivers/net/ethernet/brocade/bna/bfa_defs.h +++ b/drivers/net/ethernet/brocade/bna/bfa_defs.h @@ -26,13 +26,9 @@ #define BFA_STRING_32 32 #define BFA_VERSION_LEN 64 -/** - * ---------------------- adapter definitions ------------ - */ +/* ---------------------- adapter definitions ------------ */ -/** - * BFA adapter level attributes. - */ +/* BFA adapter level attributes. */ enum { BFA_ADAPTER_SERIAL_NUM_LEN = STRSZ(BFA_MFG_SERIALNUM_SIZE), /* @@ -74,18 +70,14 @@ struct bfa_adapter_attr { u8 trunk_capable; }; -/** - * ---------------------- IOC definitions ------------ - */ +/* ---------------------- IOC definitions ------------ */ enum { BFA_IOC_DRIVER_LEN = 16, BFA_IOC_CHIP_REV_LEN = 8, }; -/** - * Driver and firmware versions. - */ +/* Driver and firmware versions. */ struct bfa_ioc_driver_attr { char driver[BFA_IOC_DRIVER_LEN]; /*!< driver name */ char driver_ver[BFA_VERSION_LEN]; /*!< driver version */ @@ -95,9 +87,7 @@ struct bfa_ioc_driver_attr { char ob_ver[BFA_VERSION_LEN]; /*!< openboot version */ }; -/** - * IOC PCI device attributes - */ +/* IOC PCI device attributes */ struct bfa_ioc_pci_attr { u16 vendor_id; /*!< PCI vendor ID */ u16 device_id; /*!< PCI device ID */ @@ -108,9 +98,7 @@ struct bfa_ioc_pci_attr { char chip_rev[BFA_IOC_CHIP_REV_LEN]; /*!< chip revision */ }; -/** - * IOC states - */ +/* IOC states */ enum bfa_ioc_state { BFA_IOC_UNINIT = 1, /*!< IOC is in uninit state */ BFA_IOC_RESET = 2, /*!< IOC is in reset state */ @@ -127,9 +115,7 @@ enum bfa_ioc_state { BFA_IOC_HWFAIL = 13, /*!< PCI mapping doesn't exist */ }; -/** - * IOC firmware stats - */ +/* IOC firmware stats */ struct bfa_fw_ioc_stats { u32 enable_reqs; u32 disable_reqs; @@ -139,9 +125,7 @@ struct bfa_fw_ioc_stats { u32 unknown_reqs; }; -/** - * IOC driver stats - */ +/* IOC driver stats */ struct bfa_ioc_drv_stats { u32 ioc_isrs; u32 ioc_enables; @@ -157,9 +141,7 @@ struct bfa_ioc_drv_stats { u32 rsvd; }; -/** - * IOC statistics - */ +/* IOC statistics */ struct bfa_ioc_stats { struct bfa_ioc_drv_stats drv_stats; /*!< driver IOC stats */ struct bfa_fw_ioc_stats fw_stats; /*!< firmware IOC stats */ @@ -171,9 +153,7 @@ enum bfa_ioc_type { BFA_IOC_TYPE_LL = 3, }; -/** - * IOC attributes returned in queries - */ +/* IOC attributes returned in queries */ struct bfa_ioc_attr { enum bfa_ioc_type ioc_type; enum bfa_ioc_state state; /*!< IOC state */ @@ -187,22 +167,16 @@ struct bfa_ioc_attr { u8 rsvd[4]; /*!< 64bit align */ }; -/** - * Adapter capability mask definition - */ +/* Adapter capability mask definition */ enum { BFA_CM_HBA = 0x01, BFA_CM_CNA = 0x02, BFA_CM_NIC = 0x04, }; -/** - * ---------------------- mfg definitions ------------ - */ +/* ---------------------- mfg definitions ------------ */ -/** - * Checksum size - */ +/* Checksum size */ #define BFA_MFG_CHKSUM_SIZE 16 #define BFA_MFG_PARTNUM_SIZE 14 @@ -213,8 +187,7 @@ enum { #pragma pack(1) -/** - * @brief BFA adapter manufacturing block definition. +/* BFA adapter manufacturing block definition. * * All numerical fields are in big-endian format. */ @@ -256,9 +229,7 @@ struct bfa_mfg_block { #pragma pack() -/** - * ---------------------- pci definitions ------------ - */ +/* ---------------------- pci definitions ------------ */ /* * PCI device ID information @@ -275,9 +246,7 @@ enum { #define bfa_asic_id_ctc(device) \ (bfa_asic_id_ct(device) || bfa_asic_id_ct2(device)) -/** - * PCI sub-system device and vendor ID information - */ +/* PCI sub-system device and vendor ID information */ enum { BFA_PCI_FCOE_SSDEVICE_ID = 0x14, BFA_PCI_CT2_SSID_FCoE = 0x22, diff --git a/drivers/net/ethernet/brocade/bna/bfa_defs_cna.h b/drivers/net/ethernet/brocade/bna/bfa_defs_cna.h index 8ab33ee2c2b..b39c5f23974 100644 --- a/drivers/net/ethernet/brocade/bna/bfa_defs_cna.h +++ b/drivers/net/ethernet/brocade/bna/bfa_defs_cna.h @@ -20,10 +20,7 @@ #include "bfa_defs.h" -/** - * @brief - * FC physical port statistics. - */ +/* FC physical port statistics. */ struct bfa_port_fc_stats { u64 secs_reset; /*!< Seconds since stats is reset */ u64 tx_frames; /*!< Tx frames */ @@ -59,10 +56,7 @@ struct bfa_port_fc_stats { u64 bbsc_link_resets; /*!< Credit Recovery-Link Resets */ }; -/** - * @brief - * Eth Physical Port statistics. - */ +/* Eth Physical Port statistics. */ struct bfa_port_eth_stats { u64 secs_reset; /*!< Seconds since stats is reset */ u64 frame_64; /*!< Frames 64 bytes */ @@ -108,10 +102,7 @@ struct bfa_port_eth_stats { u64 tx_iscsi_zero_pause; /*!< Tx iSCSI zero pause */ }; -/** - * @brief - * Port statistics. - */ +/* Port statistics. */ union bfa_port_stats_u { struct bfa_port_fc_stats fc; struct bfa_port_eth_stats eth; diff --git a/drivers/net/ethernet/brocade/bna/bfa_defs_mfg_comm.h b/drivers/net/ethernet/brocade/bna/bfa_defs_mfg_comm.h index 6681fe87c1e..7fb396fe679 100644 --- a/drivers/net/ethernet/brocade/bna/bfa_defs_mfg_comm.h +++ b/drivers/net/ethernet/brocade/bna/bfa_defs_mfg_comm.h @@ -20,33 +20,23 @@ #include "bfa_defs.h" -/** - * Manufacturing block version - */ +/* Manufacturing block version */ #define BFA_MFG_VERSION 3 #define BFA_MFG_VERSION_UNINIT 0xFF -/** - * Manufacturing block encrypted version - */ +/* Manufacturing block encrypted version */ #define BFA_MFG_ENC_VER 2 -/** - * Manufacturing block version 1 length - */ +/* Manufacturing block version 1 length */ #define BFA_MFG_VER1_LEN 128 -/** - * Manufacturing block header length - */ +/* Manufacturing block header length */ #define BFA_MFG_HDR_LEN 4 #define BFA_MFG_SERIALNUM_SIZE 11 #define STRSZ(_n) (((_n) + 4) & ~3) -/** - * Manufacturing card type - */ +/* Manufacturing card type */ enum { BFA_MFG_TYPE_CB_MAX = 825, /*!< Crossbow card type max */ BFA_MFG_TYPE_FC8P2 = 825, /*!< 8G 2port FC card */ @@ -70,9 +60,7 @@ enum { #pragma pack(1) -/** - * Check if Mezz card - */ +/* Check if Mezz card */ #define bfa_mfg_is_mezz(type) (( \ (type) == BFA_MFG_TYPE_JAYHAWK || \ (type) == BFA_MFG_TYPE_WANCHESE || \ @@ -127,9 +115,7 @@ do { \ } \ } while (0) -/** - * VPD data length - */ +/* VPD data length */ #define BFA_MFG_VPD_LEN 512 #define BFA_MFG_VPD_LEN_INVALID 0 @@ -137,9 +123,7 @@ do { \ #define BFA_MFG_VPD_PCI_VER_MASK 0x07 /*!< version mask 3 bits */ #define BFA_MFG_VPD_PCI_VDR_MASK 0xf8 /*!< vendor mask 5 bits */ -/** - * VPD vendor tag - */ +/* VPD vendor tag */ enum { BFA_MFG_VPD_UNKNOWN = 0, /*!< vendor unknown */ BFA_MFG_VPD_IBM = 1, /*!< vendor IBM */ @@ -151,8 +135,7 @@ enum { BFA_MFG_VPD_PCI_BRCD = 0xf8, /*!< PCI VPD Brocade */ }; -/** - * @brief BFA adapter flash vpd data definition. +/* BFA adapter flash vpd data definition. * * All numerical fields are in big-endian format. */ diff --git a/drivers/net/ethernet/brocade/bna/bfa_defs_status.h b/drivers/net/ethernet/brocade/bna/bfa_defs_status.h index 7c5fe6c2e80..ea9af9ae754 100644 --- a/drivers/net/ethernet/brocade/bna/bfa_defs_status.h +++ b/drivers/net/ethernet/brocade/bna/bfa_defs_status.h @@ -18,8 +18,7 @@ #ifndef __BFA_DEFS_STATUS_H__ #define __BFA_DEFS_STATUS_H__ -/** - * API status return values +/* API status return values * * NOTE: The error msgs are auto generated from the comments. Only singe line * comments are supported diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc.c b/drivers/net/ethernet/brocade/bna/bfa_ioc.c index 0b640fafbda..959c58ef972 100644 --- a/drivers/net/ethernet/brocade/bna/bfa_ioc.c +++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.c @@ -20,13 +20,9 @@ #include "bfi_reg.h" #include "bfa_defs.h" -/** - * IOC local definitions - */ +/* IOC local definitions */ -/** - * Asic specific macros : see bfa_hw_cb.c and bfa_hw_ct.c for details. - */ +/* Asic specific macros : see bfa_hw_cb.c and bfa_hw_ct.c for details. */ #define bfa_ioc_firmware_lock(__ioc) \ ((__ioc)->ioc_hwif->ioc_firmware_lock(__ioc)) @@ -96,9 +92,7 @@ static void bfa_ioc_get_adapter_manufacturer(struct bfa_ioc *ioc, static void bfa_ioc_get_adapter_model(struct bfa_ioc *ioc, char *model); static u64 bfa_ioc_get_pwwn(struct bfa_ioc *ioc); -/** - * IOC state machine definitions/declarations - */ +/* IOC state machine definitions/declarations */ enum ioc_event { IOC_E_RESET = 1, /*!< IOC reset request */ IOC_E_ENABLE = 2, /*!< IOC enable request */ @@ -148,9 +142,7 @@ static void bfa_iocpf_initfail(struct bfa_ioc *ioc); static void bfa_iocpf_getattrfail(struct bfa_ioc *ioc); static void bfa_iocpf_stop(struct bfa_ioc *ioc); -/** - * IOCPF state machine events - */ +/* IOCPF state machine events */ enum iocpf_event { IOCPF_E_ENABLE = 1, /*!< IOCPF enable request */ IOCPF_E_DISABLE = 2, /*!< IOCPF disable request */ @@ -166,9 +158,7 @@ enum iocpf_event { IOCPF_E_SEM_ERROR = 12, /*!< h/w sem mapping error */ }; -/** - * IOCPF states - */ +/* IOCPF states */ enum bfa_iocpf_state { BFA_IOCPF_RESET = 1, /*!< IOC is in reset state */ BFA_IOCPF_SEMWAIT = 2, /*!< Waiting for IOC h/w semaphore */ @@ -215,21 +205,15 @@ static struct bfa_sm_table iocpf_sm_table[] = { {BFA_SM(bfa_iocpf_sm_disabled), BFA_IOCPF_DISABLED}, }; -/** - * IOC State Machine - */ +/* IOC State Machine */ -/** - * Beginning state. IOC uninit state. - */ +/* Beginning state. IOC uninit state. */ static void bfa_ioc_sm_uninit_entry(struct bfa_ioc *ioc) { } -/** - * IOC is in uninit state. - */ +/* IOC is in uninit state. */ static void bfa_ioc_sm_uninit(struct bfa_ioc *ioc, enum ioc_event event) { @@ -243,18 +227,14 @@ bfa_ioc_sm_uninit(struct bfa_ioc *ioc, enum ioc_event event) } } -/** - * Reset entry actions -- initialize state machine - */ +/* Reset entry actions -- initialize state machine */ static void bfa_ioc_sm_reset_entry(struct bfa_ioc *ioc) { bfa_fsm_set_state(&ioc->iocpf, bfa_iocpf_sm_reset); } -/** - * IOC is in reset state. - */ +/* IOC is in reset state. */ static void bfa_ioc_sm_reset(struct bfa_ioc *ioc, enum ioc_event event) { @@ -282,8 +262,7 @@ bfa_ioc_sm_enabling_entry(struct bfa_ioc *ioc) bfa_iocpf_enable(ioc); } -/** - * Host IOC function is being enabled, awaiting response from firmware. +/* Host IOC function is being enabled, awaiting response from firmware. * Semaphore is acquired. */ static void @@ -325,9 +304,7 @@ bfa_ioc_sm_enabling(struct bfa_ioc *ioc, enum ioc_event event) } } -/** - * Semaphore should be acquired for version check. - */ +/* Semaphore should be acquired for version check. */ static void bfa_ioc_sm_getattr_entry(struct bfa_ioc *ioc) { @@ -336,9 +313,7 @@ bfa_ioc_sm_getattr_entry(struct bfa_ioc *ioc) bfa_ioc_send_getattr(ioc); } -/** - * IOC configuration in progress. Timer is active. - */ +/* IOC configuration in progress. Timer is active. */ static void bfa_ioc_sm_getattr(struct bfa_ioc *ioc, enum ioc_event event) { @@ -419,9 +394,7 @@ bfa_ioc_sm_disabling_entry(struct bfa_ioc *ioc) bfa_iocpf_disable(ioc); } -/** - * IOC is being disabled - */ +/* IOC is being disabled */ static void bfa_ioc_sm_disabling(struct bfa_ioc *ioc, enum ioc_event event) { @@ -449,9 +422,7 @@ bfa_ioc_sm_disabling(struct bfa_ioc *ioc, enum ioc_event event) } } -/** - * IOC disable completion entry. - */ +/* IOC disable completion entry. */ static void bfa_ioc_sm_disabled_entry(struct bfa_ioc *ioc) { @@ -485,9 +456,7 @@ bfa_ioc_sm_fail_retry_entry(struct bfa_ioc *ioc) { } -/** - * Hardware initialization retry. - */ +/* Hardware initialization retry. */ static void bfa_ioc_sm_fail_retry(struct bfa_ioc *ioc, enum ioc_event event) { @@ -534,9 +503,7 @@ bfa_ioc_sm_fail_entry(struct bfa_ioc *ioc) { } -/** - * IOC failure. - */ +/* IOC failure. */ static void bfa_ioc_sm_fail(struct bfa_ioc *ioc, enum ioc_event event) { @@ -568,9 +535,7 @@ bfa_ioc_sm_hwfail_entry(struct bfa_ioc *ioc) { } -/** - * IOC failure. - */ +/* IOC failure. */ static void bfa_ioc_sm_hwfail(struct bfa_ioc *ioc, enum ioc_event event) { @@ -593,13 +558,9 @@ bfa_ioc_sm_hwfail(struct bfa_ioc *ioc, enum ioc_event event) } } -/** - * IOCPF State Machine - */ +/* IOCPF State Machine */ -/** - * Reset entry actions -- initialize state machine - */ +/* Reset entry actions -- initialize state machine */ static void bfa_iocpf_sm_reset_entry(struct bfa_iocpf *iocpf) { @@ -607,9 +568,7 @@ bfa_iocpf_sm_reset_entry(struct bfa_iocpf *iocpf) iocpf->auto_recover = bfa_nw_auto_recover; } -/** - * Beginning state. IOC is in reset state. - */ +/* Beginning state. IOC is in reset state. */ static void bfa_iocpf_sm_reset(struct bfa_iocpf *iocpf, enum iocpf_event event) { @@ -626,9 +585,7 @@ bfa_iocpf_sm_reset(struct bfa_iocpf *iocpf, enum iocpf_event event) } } -/** - * Semaphore should be acquired for version check. - */ +/* Semaphore should be acquired for version check. */ static void bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf *iocpf) { @@ -636,9 +593,7 @@ bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf *iocpf) bfa_ioc_hw_sem_get(iocpf->ioc); } -/** - * Awaiting h/w semaphore to continue with version check. - */ +/* Awaiting h/w semaphore to continue with version check. */ static void bfa_iocpf_sm_fwcheck(struct bfa_iocpf *iocpf, enum iocpf_event event) { @@ -683,9 +638,7 @@ bfa_iocpf_sm_fwcheck(struct bfa_iocpf *iocpf, enum iocpf_event event) } } -/** - * Notify enable completion callback - */ +/* Notify enable completion callback */ static void bfa_iocpf_sm_mismatch_entry(struct bfa_iocpf *iocpf) { @@ -698,9 +651,7 @@ bfa_iocpf_sm_mismatch_entry(struct bfa_iocpf *iocpf) msecs_to_jiffies(BFA_IOC_TOV)); } -/** - * Awaiting firmware version match. - */ +/* Awaiting firmware version match. */ static void bfa_iocpf_sm_mismatch(struct bfa_iocpf *iocpf, enum iocpf_event event) { @@ -727,18 +678,14 @@ bfa_iocpf_sm_mismatch(struct bfa_iocpf *iocpf, enum iocpf_event event) } } -/** - * Request for semaphore. - */ +/* Request for semaphore. */ static void bfa_iocpf_sm_semwait_entry(struct bfa_iocpf *iocpf) { bfa_ioc_hw_sem_get(iocpf->ioc); } -/** - * Awaiting semaphore for h/w initialzation. - */ +/* Awaiting semaphore for h/w initialzation. */ static void bfa_iocpf_sm_semwait(struct bfa_iocpf *iocpf, enum iocpf_event event) { @@ -778,8 +725,7 @@ bfa_iocpf_sm_hwinit_entry(struct bfa_iocpf *iocpf) bfa_ioc_reset(iocpf->ioc, false); } -/** - * Hardware is being initialized. Interrupts are enabled. +/* Hardware is being initialized. Interrupts are enabled. * Holding hardware semaphore lock. */ static void @@ -822,8 +768,7 @@ bfa_iocpf_sm_enabling_entry(struct bfa_iocpf *iocpf) bfa_ioc_send_enable(iocpf->ioc); } -/** - * Host IOC function is being enabled, awaiting response from firmware. +/* Host IOC function is being enabled, awaiting response from firmware. * Semaphore is acquired. */ static void @@ -896,9 +841,7 @@ bfa_iocpf_sm_disabling_entry(struct bfa_iocpf *iocpf) bfa_ioc_send_disable(iocpf->ioc); } -/** - * IOC is being disabled - */ +/* IOC is being disabled */ static void bfa_iocpf_sm_disabling(struct bfa_iocpf *iocpf, enum iocpf_event event) { @@ -935,9 +878,7 @@ bfa_iocpf_sm_disabling_sync_entry(struct bfa_iocpf *iocpf) bfa_ioc_hw_sem_get(iocpf->ioc); } -/** - * IOC hb ack request is being removed. - */ +/* IOC hb ack request is being removed. */ static void bfa_iocpf_sm_disabling_sync(struct bfa_iocpf *iocpf, enum iocpf_event event) { @@ -963,9 +904,7 @@ bfa_iocpf_sm_disabling_sync(struct bfa_iocpf *iocpf, enum iocpf_event event) } } -/** - * IOC disable completion entry. - */ +/* IOC disable completion entry. */ static void bfa_iocpf_sm_disabled_entry(struct bfa_iocpf *iocpf) { @@ -1000,9 +939,7 @@ bfa_iocpf_sm_initfail_sync_entry(struct bfa_iocpf *iocpf) bfa_ioc_hw_sem_get(iocpf->ioc); } -/** - * Hardware initialization failed. - */ +/* Hardware initialization failed. */ static void bfa_iocpf_sm_initfail_sync(struct bfa_iocpf *iocpf, enum iocpf_event event) { @@ -1046,9 +983,7 @@ bfa_iocpf_sm_initfail_entry(struct bfa_iocpf *iocpf) { } -/** - * Hardware initialization failed. - */ +/* Hardware initialization failed. */ static void bfa_iocpf_sm_initfail(struct bfa_iocpf *iocpf, enum iocpf_event event) { @@ -1084,9 +1019,7 @@ bfa_iocpf_sm_fail_sync_entry(struct bfa_iocpf *iocpf) bfa_ioc_hw_sem_get(iocpf->ioc); } -/** - * IOC is in failed state. - */ +/* IOC is in failed state. */ static void bfa_iocpf_sm_fail_sync(struct bfa_iocpf *iocpf, enum iocpf_event event) { @@ -1134,10 +1067,7 @@ bfa_iocpf_sm_fail_entry(struct bfa_iocpf *iocpf) { } -/** - * @brief - * IOC is in failed state. - */ +/* IOC is in failed state. */ static void bfa_iocpf_sm_fail(struct bfa_iocpf *iocpf, enum iocpf_event event) { @@ -1151,13 +1081,9 @@ bfa_iocpf_sm_fail(struct bfa_iocpf *iocpf, enum iocpf_event event) } } -/** - * BFA IOC private functions - */ +/* BFA IOC private functions */ -/** - * Notify common modules registered for notification. - */ +/* Notify common modules registered for notification. */ static void bfa_ioc_event_notify(struct bfa_ioc *ioc, enum bfa_ioc_event event) { @@ -1298,10 +1224,7 @@ bfa_ioc_hw_sem_get_cancel(struct bfa_ioc *ioc) del_timer(&ioc->sem_timer); } -/** - * @brief - * Initialize LPU local memory (aka secondary memory / SRAM) - */ +/* Initialize LPU local memory (aka secondary memory / SRAM) */ static void bfa_ioc_lmem_init(struct bfa_ioc *ioc) { @@ -1366,9 +1289,7 @@ bfa_ioc_lpu_stop(struct bfa_ioc *ioc) writel(pss_ctl, ioc->ioc_regs.pss_ctl_reg); } -/** - * Get driver and firmware versions. - */ +/* Get driver and firmware versions. */ void bfa_nw_ioc_fwver_get(struct bfa_ioc *ioc, struct bfi_ioc_image_hdr *fwhdr) { @@ -1388,9 +1309,7 @@ bfa_nw_ioc_fwver_get(struct bfa_ioc *ioc, struct bfi_ioc_image_hdr *fwhdr) } } -/** - * Returns TRUE if same. - */ +/* Returns TRUE if same. */ bool bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc, struct bfi_ioc_image_hdr *fwhdr) { @@ -1408,8 +1327,7 @@ bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc, struct bfi_ioc_image_hdr *fwhdr) return true; } -/** - * Return true if current running version is valid. Firmware signature and +/* Return true if current running version is valid. Firmware signature and * execution context (driver/bios) must match. */ static bool @@ -1430,9 +1348,7 @@ bfa_ioc_fwver_valid(struct bfa_ioc *ioc, u32 boot_env) return bfa_nw_ioc_fwver_cmp(ioc, &fwhdr); } -/** - * Conditionally flush any pending message from firmware at start. - */ +/* Conditionally flush any pending message from firmware at start. */ static void bfa_ioc_msgflush(struct bfa_ioc *ioc) { @@ -1443,9 +1359,6 @@ bfa_ioc_msgflush(struct bfa_ioc *ioc) writel(1, ioc->ioc_regs.lpu_mbox_cmd); } -/** - * @img ioc_init_logic.jpg - */ static void bfa_ioc_hwinit(struct bfa_ioc *ioc, bool force) { @@ -1603,10 +1516,7 @@ bfa_ioc_hb_stop(struct bfa_ioc *ioc) del_timer(&ioc->hb_timer); } -/** - * @brief - * Initiate a full firmware download. - */ +/* Initiate a full firmware download. */ static void bfa_ioc_download_fw(struct bfa_ioc *ioc, u32 boot_type, u32 boot_env) @@ -1672,9 +1582,7 @@ bfa_ioc_reset(struct bfa_ioc *ioc, bool force) bfa_ioc_hwinit(ioc, force); } -/** - * BFA ioc enable reply by firmware - */ +/* BFA ioc enable reply by firmware */ static void bfa_ioc_enable_reply(struct bfa_ioc *ioc, enum bfa_mode port_mode, u8 cap_bm) @@ -1686,10 +1594,7 @@ bfa_ioc_enable_reply(struct bfa_ioc *ioc, enum bfa_mode port_mode, bfa_fsm_send_event(iocpf, IOCPF_E_FWRSP_ENABLE); } -/** - * @brief - * Update BFA configuration from firmware configuration. - */ +/* Update BFA configuration from firmware configuration. */ static void bfa_ioc_getattr_reply(struct bfa_ioc *ioc) { @@ -1702,9 +1607,7 @@ bfa_ioc_getattr_reply(struct bfa_ioc *ioc) bfa_fsm_send_event(ioc, IOC_E_FWRSP_GETATTR); } -/** - * Attach time initialization of mbox logic. - */ +/* Attach time initialization of mbox logic. */ static void bfa_ioc_mbox_attach(struct bfa_ioc *ioc) { @@ -1718,9 +1621,7 @@ bfa_ioc_mbox_attach(struct bfa_ioc *ioc) } } -/** - * Mbox poll timer -- restarts any pending mailbox requests. - */ +/* Mbox poll timer -- restarts any pending mailbox requests. */ static void bfa_ioc_mbox_poll(struct bfa_ioc *ioc) { @@ -1760,9 +1661,7 @@ bfa_ioc_mbox_poll(struct bfa_ioc *ioc) } } -/** - * Cleanup any pending requests. - */ +/* Cleanup any pending requests. */ static void bfa_ioc_mbox_flush(struct bfa_ioc *ioc) { @@ -1774,12 +1673,12 @@ bfa_ioc_mbox_flush(struct bfa_ioc *ioc) } /** - * Read data from SMEM to host through PCI memmap + * bfa_nw_ioc_smem_read - Read data from SMEM to host through PCI memmap * - * @param[in] ioc memory for IOC - * @param[in] tbuf app memory to store data from smem - * @param[in] soff smem offset - * @param[in] sz size of smem in bytes + * @ioc: memory for IOC + * @tbuf: app memory to store data from smem + * @soff: smem offset + * @sz: size of smem in bytes */ static int bfa_nw_ioc_smem_read(struct bfa_ioc *ioc, void *tbuf, u32 soff, u32 sz) @@ -1826,9 +1725,7 @@ bfa_nw_ioc_smem_read(struct bfa_ioc *ioc, void *tbuf, u32 soff, u32 sz) return 0; } -/** - * Retrieve saved firmware trace from a prior IOC failure. - */ +/* Retrieve saved firmware trace from a prior IOC failure. */ int bfa_nw_ioc_debug_fwtrc(struct bfa_ioc *ioc, void *trcdata, int *trclen) { @@ -1844,9 +1741,7 @@ bfa_nw_ioc_debug_fwtrc(struct bfa_ioc *ioc, void *trcdata, int *trclen) return status; } -/** - * Save firmware trace if configured. - */ +/* Save firmware trace if configured. */ static void bfa_nw_ioc_debug_save_ftrc(struct bfa_ioc *ioc) { @@ -1861,9 +1756,7 @@ bfa_nw_ioc_debug_save_ftrc(struct bfa_ioc *ioc) } } -/** - * Retrieve saved firmware trace from a prior IOC failure. - */ +/* Retrieve saved firmware trace from a prior IOC failure. */ int bfa_nw_ioc_debug_fwsave(struct bfa_ioc *ioc, void *trcdata, int *trclen) { @@ -1892,9 +1785,7 @@ bfa_ioc_fail_notify(struct bfa_ioc *ioc) bfa_nw_ioc_debug_save_ftrc(ioc); } -/** - * IOCPF to IOC interface - */ +/* IOCPF to IOC interface */ static void bfa_ioc_pf_enabled(struct bfa_ioc *ioc) { @@ -1928,9 +1819,7 @@ bfa_ioc_pf_fwmismatch(struct bfa_ioc *ioc) ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); } -/** - * IOC public - */ +/* IOC public */ static enum bfa_status bfa_ioc_pll_init(struct bfa_ioc *ioc) { @@ -1954,8 +1843,7 @@ bfa_ioc_pll_init(struct bfa_ioc *ioc) return BFA_STATUS_OK; } -/** - * Interface used by diag module to do firmware boot with memory test +/* Interface used by diag module to do firmware boot with memory test * as the entry vector. */ static void @@ -1983,9 +1871,7 @@ bfa_ioc_boot(struct bfa_ioc *ioc, enum bfi_fwboot_type boot_type, bfa_ioc_lpu_start(ioc); } -/** - * Enable/disable IOC failure auto recovery. - */ +/* Enable/disable IOC failure auto recovery. */ void bfa_nw_ioc_auto_recover(bool auto_recover) { @@ -2056,10 +1942,10 @@ bfa_ioc_isr(struct bfa_ioc *ioc, struct bfi_mbmsg *m) } /** - * IOC attach time initialization and setup. + * bfa_nw_ioc_attach - IOC attach time initialization and setup. * - * @param[in] ioc memory for IOC - * @param[in] bfa driver instance structure + * @ioc: memory for IOC + * @bfa: driver instance structure */ void bfa_nw_ioc_attach(struct bfa_ioc *ioc, void *bfa, struct bfa_ioc_cbfn *cbfn) @@ -2078,9 +1964,7 @@ bfa_nw_ioc_attach(struct bfa_ioc *ioc, void *bfa, struct bfa_ioc_cbfn *cbfn) bfa_fsm_send_event(ioc, IOC_E_RESET); } -/** - * Driver detach time IOC cleanup. - */ +/* Driver detach time IOC cleanup. */ void bfa_nw_ioc_detach(struct bfa_ioc *ioc) { @@ -2091,9 +1975,9 @@ bfa_nw_ioc_detach(struct bfa_ioc *ioc) } /** - * Setup IOC PCI properties. + * bfa_nw_ioc_pci_init - Setup IOC PCI properties. * - * @param[in] pcidev PCI device information for this IOC + * @pcidev: PCI device information for this IOC */ void bfa_nw_ioc_pci_init(struct bfa_ioc *ioc, struct bfa_pcidev *pcidev, @@ -2160,10 +2044,10 @@ bfa_nw_ioc_pci_init(struct bfa_ioc *ioc, struct bfa_pcidev *pcidev, } /** - * Initialize IOC dma memory + * bfa_nw_ioc_mem_claim - Initialize IOC dma memory * - * @param[in] dm_kva kernel virtual address of IOC dma memory - * @param[in] dm_pa physical address of IOC dma memory + * @dm_kva: kernel virtual address of IOC dma memory + * @dm_pa: physical address of IOC dma memory */ void bfa_nw_ioc_mem_claim(struct bfa_ioc *ioc, u8 *dm_kva, u64 dm_pa) @@ -2176,9 +2060,7 @@ bfa_nw_ioc_mem_claim(struct bfa_ioc *ioc, u8 *dm_kva, u64 dm_pa) ioc->attr = (struct bfi_ioc_attr *) dm_kva; } -/** - * Return size of dma memory required. - */ +/* Return size of dma memory required. */ u32 bfa_nw_ioc_meminfo(void) { @@ -2201,9 +2083,7 @@ bfa_nw_ioc_disable(struct bfa_ioc *ioc) bfa_fsm_send_event(ioc, IOC_E_DISABLE); } -/** - * Initialize memory for saving firmware trace. - */ +/* Initialize memory for saving firmware trace. */ void bfa_nw_ioc_debug_memclaim(struct bfa_ioc *ioc, void *dbg_fwsave) { @@ -2217,9 +2097,7 @@ bfa_ioc_smem_pgnum(struct bfa_ioc *ioc, u32 fmaddr) return PSS_SMEM_PGNUM(ioc->ioc_regs.smem_pg0, fmaddr); } -/** - * Register mailbox message handler function, to be called by common modules - */ +/* Register mailbox message handler function, to be called by common modules */ void bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc, bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg) @@ -2231,11 +2109,12 @@ bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc, } /** - * Queue a mailbox command request to firmware. Waits if mailbox is busy. - * Responsibility of caller to serialize + * bfa_nw_ioc_mbox_queue - Queue a mailbox command request to firmware. * - * @param[in] ioc IOC instance - * @param[i] cmd Mailbox command + * @ioc: IOC instance + * @cmd: Mailbox command + * + * Waits if mailbox is busy. Responsibility of caller to serialize */ bool bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc, struct bfa_mbox_cmd *cmd, @@ -2272,9 +2151,7 @@ bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc, struct bfa_mbox_cmd *cmd, return false; } -/** - * Handle mailbox interrupts - */ +/* Handle mailbox interrupts */ void bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc) { @@ -2314,9 +2191,7 @@ bfa_nw_ioc_error_isr(struct bfa_ioc *ioc) bfa_fsm_send_event(ioc, IOC_E_HWERROR); } -/** - * return true if IOC is disabled - */ +/* return true if IOC is disabled */ bool bfa_nw_ioc_is_disabled(struct bfa_ioc *ioc) { @@ -2324,17 +2199,14 @@ bfa_nw_ioc_is_disabled(struct bfa_ioc *ioc) bfa_fsm_cmp_state(ioc, bfa_ioc_sm_disabled); } -/** - * return true if IOC is operational - */ +/* return true if IOC is operational */ bool bfa_nw_ioc_is_operational(struct bfa_ioc *ioc) { return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_op); } -/** - * Add to IOC heartbeat failure notification queue. To be used by common +/* Add to IOC heartbeat failure notification queue. To be used by common * modules such as cee, port, diag. */ void @@ -2518,9 +2390,7 @@ bfa_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr) bfa_ioc_get_pci_chip_rev(ioc, ioc_attr->pci_attr.chip_rev); } -/** - * WWN public - */ +/* WWN public */ static u64 bfa_ioc_get_pwwn(struct bfa_ioc *ioc) { @@ -2533,9 +2403,7 @@ bfa_nw_ioc_get_mac(struct bfa_ioc *ioc) return ioc->attr->mac; } -/** - * Firmware failure detected. Start recovery actions. - */ +/* Firmware failure detected. Start recovery actions. */ static void bfa_ioc_recover(struct bfa_ioc *ioc) { @@ -2545,10 +2413,7 @@ bfa_ioc_recover(struct bfa_ioc *ioc) bfa_fsm_send_event(ioc, IOC_E_HBFAIL); } -/** - * @dg hal_iocpf_pvt BFA IOC PF private functions - * @{ - */ +/* BFA IOC PF private functions */ static void bfa_iocpf_enable(struct bfa_ioc *ioc) @@ -2669,8 +2534,6 @@ bfa_flash_notify(void *cbarg, enum bfa_ioc_event event) /* * Send flash write request. - * - * @param[in] cbarg - callback argument */ static void bfa_flash_write_send(struct bfa_flash *flash) @@ -2699,10 +2562,10 @@ bfa_flash_write_send(struct bfa_flash *flash) flash->offset += len; } -/* - * Send flash read request. +/** + * bfa_flash_read_send - Send flash read request. * - * @param[in] cbarg - callback argument + * @cbarg: callback argument */ static void bfa_flash_read_send(void *cbarg) @@ -2724,11 +2587,11 @@ bfa_flash_read_send(void *cbarg) bfa_nw_ioc_mbox_queue(flash->ioc, &flash->mb, NULL, NULL); } -/* - * Process flash response messages upon receiving interrupts. +/** + * bfa_flash_intr - Process flash response messages upon receiving interrupts. * - * @param[in] flasharg - flash structure - * @param[in] msg - message structure + * @flasharg: flash structure + * @msg: message structure */ static void bfa_flash_intr(void *flasharg, struct bfi_mbmsg *msg) @@ -2821,12 +2684,12 @@ bfa_nw_flash_meminfo(void) return roundup(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); } -/* - * Flash attach API. +/** + * bfa_nw_flash_attach - Flash attach API. * - * @param[in] flash - flash structure - * @param[in] ioc - ioc structure - * @param[in] dev - device structure + * @flash: flash structure + * @ioc: ioc structure + * @dev: device structure */ void bfa_nw_flash_attach(struct bfa_flash *flash, struct bfa_ioc *ioc, void *dev) @@ -2842,12 +2705,12 @@ bfa_nw_flash_attach(struct bfa_flash *flash, struct bfa_ioc *ioc, void *dev) list_add_tail(&flash->ioc_notify.qe, &flash->ioc->notify_q); } -/* - * Claim memory for flash +/** + * bfa_nw_flash_memclaim - Claim memory for flash * - * @param[in] flash - flash structure - * @param[in] dm_kva - pointer to virtual memory address - * @param[in] dm_pa - physical memory address + * @flash: flash structure + * @dm_kva: pointer to virtual memory address + * @dm_pa: physical memory address */ void bfa_nw_flash_memclaim(struct bfa_flash *flash, u8 *dm_kva, u64 dm_pa) @@ -2859,13 +2722,13 @@ bfa_nw_flash_memclaim(struct bfa_flash *flash, u8 *dm_kva, u64 dm_pa) dm_pa += roundup(BFA_FLASH_DMA_BUF_SZ, BFA_DMA_ALIGN_SZ); } -/* - * Get flash attribute. +/** + * bfa_nw_flash_get_attr - Get flash attribute. * - * @param[in] flash - flash structure - * @param[in] attr - flash attribute structure - * @param[in] cbfn - callback function - * @param[in] cbarg - callback argument + * @flash: flash structure + * @attr: flash attribute structure + * @cbfn: callback function + * @cbarg: callback argument * * Return status. */ @@ -2895,17 +2758,17 @@ bfa_nw_flash_get_attr(struct bfa_flash *flash, struct bfa_flash_attr *attr, return BFA_STATUS_OK; } -/* - * Update flash partition. +/** + * bfa_nw_flash_update_part - Update flash partition. * - * @param[in] flash - flash structure - * @param[in] type - flash partition type - * @param[in] instance - flash partition instance - * @param[in] buf - update data buffer - * @param[in] len - data buffer length - * @param[in] offset - offset relative to the partition starting address - * @param[in] cbfn - callback function - * @param[in] cbarg - callback argument + * @flash: flash structure + * @type: flash partition type + * @instance: flash partition instance + * @buf: update data buffer + * @len: data buffer length + * @offset: offset relative to the partition starting address + * @cbfn: callback function + * @cbarg: callback argument * * Return status. */ @@ -2944,17 +2807,17 @@ bfa_nw_flash_update_part(struct bfa_flash *flash, u32 type, u8 instance, return BFA_STATUS_OK; } -/* - * Read flash partition. +/** + * bfa_nw_flash_read_part - Read flash partition. * - * @param[in] flash - flash structure - * @param[in] type - flash partition type - * @param[in] instance - flash partition instance - * @param[in] buf - read data buffer - * @param[in] len - data buffer length - * @param[in] offset - offset relative to the partition starting address - * @param[in] cbfn - callback function - * @param[in] cbarg - callback argument + * @flash: flash structure + * @type: flash partition type + * @instance: flash partition instance + * @buf: read data buffer + * @len: data buffer length + * @offset: offset relative to the partition starting address + * @cbfn: callback function + * @cbarg: callback argument * * Return status. */ diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc.h b/drivers/net/ethernet/brocade/bna/bfa_ioc.h index 3b4460fdc14..63a85e555df 100644 --- a/drivers/net/ethernet/brocade/bna/bfa_ioc.h +++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.h @@ -30,9 +30,7 @@ #define BNA_DBG_FWTRC_LEN (BFI_IOC_TRC_ENTS * BFI_IOC_TRC_ENT_SZ + \ BFI_IOC_TRC_HDR_SZ) -/** - * PCI device information required by IOC - */ +/* PCI device information required by IOC */ struct bfa_pcidev { int pci_slot; u8 pci_func; @@ -41,8 +39,7 @@ struct bfa_pcidev { void __iomem *pci_bar_kva; }; -/** - * Structure used to remember the DMA-able memory block's KVA and Physical +/* Structure used to remember the DMA-able memory block's KVA and Physical * Address */ struct bfa_dma { @@ -52,15 +49,11 @@ struct bfa_dma { #define BFA_DMA_ALIGN_SZ 256 -/** - * smem size for Crossbow and Catapult - */ +/* smem size for Crossbow and Catapult */ #define BFI_SMEM_CB_SIZE 0x200000U /* ! 2MB for crossbow */ #define BFI_SMEM_CT_SIZE 0x280000U /* ! 2.5MB for catapult */ -/** - * @brief BFA dma address assignment macro. (big endian format) - */ +/* BFA dma address assignment macro. (big endian format) */ #define bfa_dma_be_addr_set(dma_addr, pa) \ __bfa_dma_be_addr_set(&dma_addr, (u64)pa) static inline void @@ -108,9 +101,7 @@ struct bfa_ioc_regs { u32 smem_pg0; }; -/** - * IOC Mailbox structures - */ +/* IOC Mailbox structures */ typedef void (*bfa_mbox_cmd_cbfn_t)(void *cbarg); struct bfa_mbox_cmd { struct list_head qe; @@ -119,9 +110,7 @@ struct bfa_mbox_cmd { u32 msg[BFI_IOC_MSGSZ]; }; -/** - * IOC mailbox module - */ +/* IOC mailbox module */ typedef void (*bfa_ioc_mbox_mcfunc_t)(void *cbarg, struct bfi_mbmsg *m); struct bfa_ioc_mbox_mod { struct list_head cmd_q; /*!< pending mbox queue */ @@ -132,9 +121,7 @@ struct bfa_ioc_mbox_mod { } mbhdlr[BFI_MC_MAX]; }; -/** - * IOC callback function interfaces - */ +/* IOC callback function interfaces */ typedef void (*bfa_ioc_enable_cbfn_t)(void *bfa, enum bfa_status status); typedef void (*bfa_ioc_disable_cbfn_t)(void *bfa); typedef void (*bfa_ioc_hbfail_cbfn_t)(void *bfa); @@ -146,9 +133,7 @@ struct bfa_ioc_cbfn { bfa_ioc_reset_cbfn_t reset_cbfn; }; -/** - * IOC event notification mechanism. - */ +/* IOC event notification mechanism. */ enum bfa_ioc_event { BFA_IOC_E_ENABLED = 1, BFA_IOC_E_DISABLED = 2, @@ -163,9 +148,7 @@ struct bfa_ioc_notify { void *cbarg; }; -/** - * Initialize a IOC event notification structure - */ +/* Initialize a IOC event notification structure */ #define bfa_ioc_notify_init(__notify, __cbfn, __cbarg) do { \ (__notify)->cbfn = (__cbfn); \ (__notify)->cbarg = (__cbarg); \ @@ -261,9 +244,7 @@ struct bfa_ioc_hwif { #define BFA_IOC_FLASH_OFFSET_IN_CHUNK(off) (off % BFI_FLASH_CHUNK_SZ_WORDS) #define BFA_IOC_FLASH_CHUNK_ADDR(chunkno) (chunkno * BFI_FLASH_CHUNK_SZ_WORDS) -/** - * IOC mailbox interface - */ +/* IOC mailbox interface */ bool bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc, struct bfa_mbox_cmd *cmd, bfa_mbox_cmd_cbfn_t cbfn, void *cbarg); @@ -271,9 +252,7 @@ void bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc); void bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc, bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg); -/** - * IOC interfaces - */ +/* IOC interfaces */ #define bfa_ioc_pll_init_asic(__ioc) \ ((__ioc)->ioc_hwif->ioc_pll_init((__ioc)->pcidev.pci_bar_kva, \ diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c b/drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c index b6b036a143a..5df0b0c68c5 100644 --- a/drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c +++ b/drivers/net/ethernet/brocade/bna/bfa_ioc_ct.c @@ -87,9 +87,7 @@ static const struct bfa_ioc_hwif nw_hwif_ct2 = { .ioc_sync_complete = bfa_ioc_ct_sync_complete, }; -/** - * Called from bfa_ioc_attach() to map asic specific calls. - */ +/* Called from bfa_ioc_attach() to map asic specific calls. */ void bfa_nw_ioc_set_ct_hwif(struct bfa_ioc *ioc) { @@ -102,9 +100,7 @@ bfa_nw_ioc_set_ct2_hwif(struct bfa_ioc *ioc) ioc->ioc_hwif = &nw_hwif_ct2; } -/** - * Return true if firmware of current driver matches the running firmware. - */ +/* Return true if firmware of current driver matches the running firmware. */ static bool bfa_ioc_ct_firmware_lock(struct bfa_ioc *ioc) { @@ -182,9 +178,7 @@ bfa_ioc_ct_firmware_unlock(struct bfa_ioc *ioc) bfa_nw_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg); } -/** - * Notify other functions on HB failure. - */ +/* Notify other functions on HB failure. */ static void bfa_ioc_ct_notify_fail(struct bfa_ioc *ioc) { @@ -195,9 +189,7 @@ bfa_ioc_ct_notify_fail(struct bfa_ioc *ioc) readl(ioc->ioc_regs.alt_ll_halt); } -/** - * Host to LPU mailbox message addresses - */ +/* Host to LPU mailbox message addresses */ static const struct { u32 hfn_mbox; u32 lpu_mbox; @@ -209,9 +201,7 @@ static const struct { { HOSTFN3_LPU_MBOX0_8, LPU_HOSTFN3_MBOX0_8, HOST_PAGE_NUM_FN3 } }; -/** - * Host <-> LPU mailbox command/status registers - port 0 - */ +/* Host <-> LPU mailbox command/status registers - port 0 */ static const struct { u32 hfn; u32 lpu; @@ -222,9 +212,7 @@ static const struct { { HOSTFN3_LPU0_CMD_STAT, LPU0_HOSTFN3_CMD_STAT } }; -/** - * Host <-> LPU mailbox command/status registers - port 1 - */ +/* Host <-> LPU mailbox command/status registers - port 1 */ static const struct { u32 hfn; u32 lpu; @@ -368,9 +356,7 @@ bfa_ioc_ct2_reg_init(struct bfa_ioc *ioc) ioc->ioc_regs.err_set = rb + ERR_SET_REG; } -/** - * Initialize IOC to port mapping. - */ +/* Initialize IOC to port mapping. */ #define FNC_PERS_FN_SHIFT(__fn) ((__fn) * 8) static void @@ -398,9 +384,7 @@ bfa_ioc_ct2_map_port(struct bfa_ioc *ioc) ioc->port_id = ((r32 & __FC_LL_PORT_MAP__MK) >> __FC_LL_PORT_MAP__SH); } -/** - * Set interrupt mode for a function: INTX or MSIX - */ +/* Set interrupt mode for a function: INTX or MSIX */ static void bfa_ioc_ct_isr_mode_set(struct bfa_ioc *ioc, bool msix) { @@ -443,9 +427,7 @@ bfa_ioc_ct2_lpu_read_stat(struct bfa_ioc *ioc) return false; } -/** - * MSI-X resource allocation for 1860 with no asic block - */ +/* MSI-X resource allocation for 1860 with no asic block */ #define HOSTFN_MSIX_DEFAULT 64 #define HOSTFN_MSIX_VT_INDEX_MBOX_ERR 0x30138 #define HOSTFN_MSIX_VT_OFST_NUMVT 0x3013c @@ -473,9 +455,7 @@ bfa_nw_ioc_ct2_poweron(struct bfa_ioc *ioc) rb + HOSTFN_MSIX_VT_INDEX_MBOX_ERR); } -/** - * Cleanup hw semaphore and usecnt registers - */ +/* Cleanup hw semaphore and usecnt registers */ static void bfa_ioc_ct_ownership_reset(struct bfa_ioc *ioc) { @@ -492,9 +472,7 @@ bfa_ioc_ct_ownership_reset(struct bfa_ioc *ioc) bfa_nw_ioc_hw_sem_release(ioc); } -/** - * Synchronized IOC failure processing routines - */ +/* Synchronized IOC failure processing routines */ static bool bfa_ioc_ct_sync_start(struct bfa_ioc *ioc) { @@ -518,9 +496,7 @@ bfa_ioc_ct_sync_start(struct bfa_ioc *ioc) return bfa_ioc_ct_sync_complete(ioc); } -/** - * Synchronized IOC failure processing routines - */ +/* Synchronized IOC failure processing routines */ static void bfa_ioc_ct_sync_join(struct bfa_ioc *ioc) { diff --git a/drivers/net/ethernet/brocade/bna/bfa_msgq.c b/drivers/net/ethernet/brocade/bna/bfa_msgq.c index dd36427f475..55067d0d25c 100644 --- a/drivers/net/ethernet/brocade/bna/bfa_msgq.c +++ b/drivers/net/ethernet/brocade/bna/bfa_msgq.c @@ -16,9 +16,7 @@ * www.brocade.com */ -/** - * @file bfa_msgq.c MSGQ module source file. - */ +/* MSGQ module source file. */ #include "bfi.h" #include "bfa_msgq.h" diff --git a/drivers/net/ethernet/brocade/bna/bfi.h b/drivers/net/ethernet/brocade/bna/bfi.h index 0d9df695397..1f24c23dc78 100644 --- a/drivers/net/ethernet/brocade/bna/bfi.h +++ b/drivers/net/ethernet/brocade/bna/bfi.h @@ -22,15 +22,11 @@ #pragma pack(1) -/** - * BFI FW image type - */ +/* BFI FW image type */ #define BFI_FLASH_CHUNK_SZ 256 /*!< Flash chunk size */ #define BFI_FLASH_CHUNK_SZ_WORDS (BFI_FLASH_CHUNK_SZ/sizeof(u32)) -/** - * Msg header common to all msgs - */ +/* Msg header common to all msgs */ struct bfi_mhdr { u8 msg_class; /*!< @ref enum bfi_mclass */ u8 msg_id; /*!< msg opcode with in the class */ @@ -65,17 +61,14 @@ struct bfi_mhdr { #define BFI_I2H_OPCODE_BASE 128 #define BFA_I2HM(_x) ((_x) + BFI_I2H_OPCODE_BASE) -/** - **************************************************************************** +/**************************************************************************** * * Scatter Gather Element and Page definition * **************************************************************************** */ -/** - * DMA addresses - */ +/* DMA addresses */ union bfi_addr_u { struct { u32 addr_lo; @@ -83,9 +76,7 @@ union bfi_addr_u { } a32; }; -/** - * Generic DMA addr-len pair. - */ +/* Generic DMA addr-len pair. */ struct bfi_alen { union bfi_addr_u al_addr; /* DMA addr of buffer */ u32 al_len; /* length of buffer */ @@ -98,26 +89,20 @@ struct bfi_alen { #define BFI_LMSG_PL_WSZ \ ((BFI_LMSG_SZ - sizeof(struct bfi_mhdr)) / 4) -/** - * Mailbox message structure - */ +/* Mailbox message structure */ #define BFI_MBMSG_SZ 7 struct bfi_mbmsg { struct bfi_mhdr mh; u32 pl[BFI_MBMSG_SZ]; }; -/** - * Supported PCI function class codes (personality) - */ +/* Supported PCI function class codes (personality) */ enum bfi_pcifn_class { BFI_PCIFN_CLASS_FC = 0x0c04, BFI_PCIFN_CLASS_ETH = 0x0200, }; -/** - * Message Classes - */ +/* Message Classes */ enum bfi_mclass { BFI_MC_IOC = 1, /*!< IO Controller (IOC) */ BFI_MC_DIAG = 2, /*!< Diagnostic Msgs */ @@ -159,15 +144,12 @@ enum bfi_mclass { #define BFI_FWBOOT_ENV_OS 0 -/** - *---------------------------------------------------------------------- +/*---------------------------------------------------------------------- * IOC *---------------------------------------------------------------------- */ -/** - * Different asic generations - */ +/* Different asic generations */ enum bfi_asic_gen { BFI_ASIC_GEN_CB = 1, BFI_ASIC_GEN_CT = 2, @@ -196,9 +178,7 @@ enum bfi_ioc_i2h_msgs { BFI_IOC_I2H_HBEAT = BFA_I2HM(4), }; -/** - * BFI_IOC_H2I_GETATTR_REQ message - */ +/* BFI_IOC_H2I_GETATTR_REQ message */ struct bfi_ioc_getattr_req { struct bfi_mhdr mh; union bfi_addr_u attr_addr; @@ -231,30 +211,22 @@ struct bfi_ioc_attr { u32 card_type; /*!< card type */ }; -/** - * BFI_IOC_I2H_GETATTR_REPLY message - */ +/* BFI_IOC_I2H_GETATTR_REPLY message */ struct bfi_ioc_getattr_reply { struct bfi_mhdr mh; /*!< Common msg header */ u8 status; /*!< cfg reply status */ u8 rsvd[3]; }; -/** - * Firmware memory page offsets - */ +/* Firmware memory page offsets */ #define BFI_IOC_SMEM_PG0_CB (0x40) #define BFI_IOC_SMEM_PG0_CT (0x180) -/** - * Firmware statistic offset - */ +/* Firmware statistic offset */ #define BFI_IOC_FWSTATS_OFF (0x6B40) #define BFI_IOC_FWSTATS_SZ (4096) -/** - * Firmware trace offset - */ +/* Firmware trace offset */ #define BFI_IOC_TRC_OFF (0x4b00) #define BFI_IOC_TRC_ENTS 256 #define BFI_IOC_TRC_ENT_SZ 16 @@ -299,9 +271,7 @@ struct bfi_ioc_hbeat { u32 hb_count; /*!< current heart beat count */ }; -/** - * IOC hardware/firmware state - */ +/* IOC hardware/firmware state */ enum bfi_ioc_state { BFI_IOC_UNINIT = 0, /*!< not initialized */ BFI_IOC_INITING = 1, /*!< h/w is being initialized */ @@ -345,9 +315,7 @@ enum { ((__adap_type) & (BFI_ADAPTER_TTV | BFI_ADAPTER_PROTO | \ BFI_ADAPTER_UNSUPP)) -/** - * BFI_IOC_H2I_ENABLE_REQ & BFI_IOC_H2I_DISABLE_REQ messages - */ +/* BFI_IOC_H2I_ENABLE_REQ & BFI_IOC_H2I_DISABLE_REQ messages */ struct bfi_ioc_ctrl_req { struct bfi_mhdr mh; u16 clscode; @@ -355,9 +323,7 @@ struct bfi_ioc_ctrl_req { u32 tv_sec; }; -/** - * BFI_IOC_I2H_ENABLE_REPLY & BFI_IOC_I2H_DISABLE_REPLY messages - */ +/* BFI_IOC_I2H_ENABLE_REPLY & BFI_IOC_I2H_DISABLE_REPLY messages */ struct bfi_ioc_ctrl_reply { struct bfi_mhdr mh; /*!< Common msg header */ u8 status; /*!< enable/disable status */ @@ -367,9 +333,7 @@ struct bfi_ioc_ctrl_reply { }; #define BFI_IOC_MSGSZ 8 -/** - * H2I Messages - */ +/* H2I Messages */ union bfi_ioc_h2i_msg_u { struct bfi_mhdr mh; struct bfi_ioc_ctrl_req enable_req; @@ -378,17 +342,14 @@ union bfi_ioc_h2i_msg_u { u32 mboxmsg[BFI_IOC_MSGSZ]; }; -/** - * I2H Messages - */ +/* I2H Messages */ union bfi_ioc_i2h_msg_u { struct bfi_mhdr mh; struct bfi_ioc_ctrl_reply fw_event; u32 mboxmsg[BFI_IOC_MSGSZ]; }; -/** - *---------------------------------------------------------------------- +/*---------------------------------------------------------------------- * MSGQ *---------------------------------------------------------------------- */ diff --git a/drivers/net/ethernet/brocade/bna/bfi_cna.h b/drivers/net/ethernet/brocade/bna/bfi_cna.h index 4eecabea397..6704a439297 100644 --- a/drivers/net/ethernet/brocade/bna/bfi_cna.h +++ b/drivers/net/ethernet/brocade/bna/bfi_cna.h @@ -37,18 +37,14 @@ enum bfi_port_i2h { BFI_PORT_I2H_CLEAR_STATS_RSP = BFA_I2HM(4), }; -/** - * Generic REQ type - */ +/* Generic REQ type */ struct bfi_port_generic_req { struct bfi_mhdr mh; /*!< msg header */ u32 msgtag; /*!< msgtag for reply */ u32 rsvd; }; -/** - * Generic RSP type - */ +/* Generic RSP type */ struct bfi_port_generic_rsp { struct bfi_mhdr mh; /*!< common msg header */ u8 status; /*!< port enable status */ @@ -56,44 +52,12 @@ struct bfi_port_generic_rsp { u32 msgtag; /*!< msgtag for reply */ }; -/** - * @todo - * BFI_PORT_H2I_ENABLE_REQ - */ - -/** - * @todo - * BFI_PORT_I2H_ENABLE_RSP - */ - -/** - * BFI_PORT_H2I_DISABLE_REQ - */ - -/** - * BFI_PORT_I2H_DISABLE_RSP - */ - -/** - * BFI_PORT_H2I_GET_STATS_REQ - */ +/* BFI_PORT_H2I_GET_STATS_REQ */ struct bfi_port_get_stats_req { struct bfi_mhdr mh; /*!< common msg header */ union bfi_addr_u dma_addr; }; -/** - * BFI_PORT_I2H_GET_STATS_RSP - */ - -/** - * BFI_PORT_H2I_CLEAR_STATS_REQ - */ - -/** - * BFI_PORT_I2H_CLEAR_STATS_RSP - */ - union bfi_port_h2i_msg_u { struct bfi_mhdr mh; struct bfi_port_generic_req enable_req; diff --git a/drivers/net/ethernet/brocade/bna/bfi_enet.h b/drivers/net/ethernet/brocade/bna/bfi_enet.h index a90f1cf46b4..eef6e1f8aec 100644 --- a/drivers/net/ethernet/brocade/bna/bfi_enet.h +++ b/drivers/net/ethernet/brocade/bna/bfi_enet.h @@ -16,12 +16,9 @@ * www.brocade.com */ -/** - * @file bfi_enet.h BNA Hardware and Firmware Interface - */ +/* BNA Hardware and Firmware Interface */ -/** - * Skipping statistics collection to avoid clutter. +/* Skipping statistics collection to avoid clutter. * Command is no longer needed: * MTU * TxQ Stop @@ -64,9 +61,7 @@ union bfi_addr_be_u { } a32; }; -/** - * T X Q U E U E D E F I N E S - */ +/* T X Q U E U E D E F I N E S */ /* TxQ Vector (a.k.a. Tx-Buffer Descriptor) */ /* TxQ Entry Opcodes */ #define BFI_ENET_TXQ_WI_SEND (0x402) /* Single Frame Transmission */ @@ -106,10 +101,7 @@ struct bfi_enet_txq_wi_vector { /* Tx Buffer Descriptor */ union bfi_addr_be_u addr; }; -/** - * TxQ Entry Structure - * - */ +/* TxQ Entry Structure */ struct bfi_enet_txq_entry { union { struct bfi_enet_txq_wi_base base; @@ -124,16 +116,12 @@ struct bfi_enet_txq_entry { #define BFI_ENET_TXQ_WI_L4_HDR_N_OFFSET(_hdr_size, _offset) \ (((_hdr_size) << 10) | ((_offset) & 0x3FF)) -/** - * R X Q U E U E D E F I N E S - */ +/* R X Q U E U E D E F I N E S */ struct bfi_enet_rxq_entry { union bfi_addr_be_u rx_buffer; }; -/** - * R X C O M P L E T I O N Q U E U E D E F I N E S - */ +/* R X C O M P L E T I O N Q U E U E D E F I N E S */ /* CQ Entry Flags */ #define BFI_ENET_CQ_EF_MAC_ERROR (1 << 0) #define BFI_ENET_CQ_EF_FCS_ERROR (1 << 1) @@ -174,9 +162,7 @@ struct bfi_enet_cq_entry { u8 rxq_id; }; -/** - * E N E T C O N T R O L P A T H C O M M A N D S - */ +/* E N E T C O N T R O L P A T H C O M M A N D S */ struct bfi_enet_q { union bfi_addr_u pg_tbl; union bfi_addr_u first_entry; @@ -222,9 +208,7 @@ struct bfi_enet_ib { u16 rsvd; }; -/** - * ENET command messages - */ +/* ENET command messages */ enum bfi_enet_h2i_msgs { /* Rx Commands */ BFI_ENET_H2I_RX_CFG_SET_REQ = 1, @@ -350,9 +334,7 @@ enum bfi_enet_i2h_msgs { BFI_ENET_I2H_BW_UPDATE_AEN = BFA_I2HM(BFI_ENET_H2I_MAX + 4), }; -/** - * The following error codes can be returned by the enet commands - */ +/* The following error codes can be returned by the enet commands */ enum bfi_enet_err { BFI_ENET_CMD_OK = 0, BFI_ENET_CMD_FAIL = 1, @@ -364,8 +346,7 @@ enum bfi_enet_err { BFI_ENET_CMD_PORT_DISABLED = 7, /* !< port in disabled state */ }; -/** - * Generic Request +/* Generic Request * * bfi_enet_req is used by: * BFI_ENET_H2I_RX_CFG_CLR_REQ @@ -375,8 +356,7 @@ struct bfi_enet_req { struct bfi_msgq_mhdr mh; }; -/** - * Enable/Disable Request +/* Enable/Disable Request * * bfi_enet_enable_req is used by: * BFI_ENET_H2I_RSS_ENABLE_REQ (enet_id must be zero) @@ -391,9 +371,7 @@ struct bfi_enet_enable_req { u8 rsvd[3]; }; -/** - * Generic Response - */ +/* Generic Response */ struct bfi_enet_rsp { struct bfi_msgq_mhdr mh; u8 error; /*!< if error see cmd_offset */ @@ -401,20 +379,16 @@ struct bfi_enet_rsp { u16 cmd_offset; /*!< offset to invalid parameter */ }; -/** - * GLOBAL CONFIGURATION - */ +/* GLOBAL CONFIGURATION */ -/** - * bfi_enet_attr_req is used by: +/* bfi_enet_attr_req is used by: * BFI_ENET_H2I_GET_ATTR_REQ */ struct bfi_enet_attr_req { struct bfi_msgq_mhdr mh; }; -/** - * bfi_enet_attr_rsp is used by: +/* bfi_enet_attr_rsp is used by: * BFI_ENET_I2H_GET_ATTR_RSP */ struct bfi_enet_attr_rsp { @@ -427,8 +401,7 @@ struct bfi_enet_attr_rsp { u32 rit_size; }; -/** - * Tx Configuration +/* Tx Configuration * * bfi_enet_tx_cfg is used by: * BFI_ENET_H2I_TX_CFG_SET_REQ @@ -477,8 +450,7 @@ struct bfi_enet_tx_cfg_rsp { } q_handles[BFI_ENET_TXQ_PRIO_MAX]; }; -/** - * Rx Configuration +/* Rx Configuration * * bfi_enet_rx_cfg is used by: * BFI_ENET_H2I_RX_CFG_SET_REQ @@ -553,8 +525,7 @@ struct bfi_enet_rx_cfg_rsp { } q_handles[BFI_ENET_RX_QSET_MAX]; }; -/** - * RIT +/* RIT * * bfi_enet_rit_req is used by: * BFI_ENET_H2I_RIT_CFG_REQ @@ -566,8 +537,7 @@ struct bfi_enet_rit_req { u8 table[BFI_ENET_RSS_RIT_MAX]; }; -/** - * RSS +/* RSS * * bfi_enet_rss_cfg_req is used by: * BFI_ENET_H2I_RSS_CFG_REQ @@ -591,8 +561,7 @@ struct bfi_enet_rss_cfg_req { struct bfi_enet_rss_cfg cfg; }; -/** - * MAC Unicast +/* MAC Unicast * * bfi_enet_rx_vlan_req is used by: * BFI_ENET_H2I_MAC_UCAST_SET_REQ @@ -606,17 +575,14 @@ struct bfi_enet_ucast_req { u8 rsvd[2]; }; -/** - * MAC Unicast + VLAN - */ +/* MAC Unicast + VLAN */ struct bfi_enet_mac_n_vlan_req { struct bfi_msgq_mhdr mh; u16 vlan_id; mac_t mac_addr; }; -/** - * MAC Multicast +/* MAC Multicast * * bfi_enet_mac_mfilter_add_req is used by: * BFI_ENET_H2I_MAC_MCAST_ADD_REQ @@ -627,8 +593,7 @@ struct bfi_enet_mcast_add_req { u8 rsvd[2]; }; -/** - * bfi_enet_mac_mfilter_add_rsp is used by: +/* bfi_enet_mac_mfilter_add_rsp is used by: * BFI_ENET_I2H_MAC_MCAST_ADD_RSP */ struct bfi_enet_mcast_add_rsp { @@ -640,8 +605,7 @@ struct bfi_enet_mcast_add_rsp { u8 rsvd1[2]; }; -/** - * bfi_enet_mac_mfilter_del_req is used by: +/* bfi_enet_mac_mfilter_del_req is used by: * BFI_ENET_H2I_MAC_MCAST_DEL_REQ */ struct bfi_enet_mcast_del_req { @@ -650,8 +614,7 @@ struct bfi_enet_mcast_del_req { u8 rsvd[2]; }; -/** - * VLAN +/* VLAN * * bfi_enet_rx_vlan_req is used by: * BFI_ENET_H2I_RX_VLAN_SET_REQ @@ -663,8 +626,7 @@ struct bfi_enet_rx_vlan_req { u32 bit_mask[BFI_ENET_VLAN_WORDS_MAX]; }; -/** - * PAUSE +/* PAUSE * * bfi_enet_set_pause_req is used by: * BFI_ENET_H2I_SET_PAUSE_REQ @@ -676,8 +638,7 @@ struct bfi_enet_set_pause_req { u8 rx_pause; /* 1 = enable; 0 = disable */ }; -/** - * DIAGNOSTICS +/* DIAGNOSTICS * * bfi_enet_diag_lb_req is used by: * BFI_ENET_H2I_DIAG_LOOPBACK @@ -689,16 +650,13 @@ struct bfi_enet_diag_lb_req { u8 enable; /* 1 = enable; 0 = disable */ }; -/** - * enum for Loopback opmodes - */ +/* enum for Loopback opmodes */ enum { BFI_ENET_DIAG_LB_OPMODE_EXT = 0, BFI_ENET_DIAG_LB_OPMODE_CBL = 1, }; -/** - * STATISTICS +/* STATISTICS * * bfi_enet_stats_req is used by: * BFI_ENET_H2I_STATS_GET_REQ @@ -713,9 +671,7 @@ struct bfi_enet_stats_req { union bfi_addr_u host_buffer; }; -/** - * defines for "stats_mask" above. - */ +/* defines for "stats_mask" above. */ #define BFI_ENET_STATS_MAC (1 << 0) /* !< MAC Statistics */ #define BFI_ENET_STATS_BPC (1 << 1) /* !< Pause Stats from BPC */ #define BFI_ENET_STATS_RAD (1 << 2) /* !< Rx Admission Statistics */ @@ -881,8 +837,7 @@ struct bfi_enet_stats_mac { u64 tx_fragments; }; -/** - * Complete statistics, DMAed from fw to host followed by +/* Complete statistics, DMAed from fw to host followed by * BFI_ENET_I2H_STATS_GET_RSP */ struct bfi_enet_stats { diff --git a/drivers/net/ethernet/brocade/bna/bfi_reg.h b/drivers/net/ethernet/brocade/bna/bfi_reg.h index 0e094fe46df..c49fa312ddb 100644 --- a/drivers/net/ethernet/brocade/bna/bfi_reg.h +++ b/drivers/net/ethernet/brocade/bna/bfi_reg.h @@ -221,9 +221,7 @@ enum { #define __PMM_1T_RESET_P 0x00000001 #define PMM_1T_RESET_REG_P1 0x00023c1c -/** - * Brocade 1860 Adapter specific defines - */ +/* Brocade 1860 Adapter specific defines */ #define CT2_PCI_CPQ_BASE 0x00030000 #define CT2_PCI_APP_BASE 0x00030100 #define CT2_PCI_ETH_BASE 0x00030400 diff --git a/drivers/net/ethernet/brocade/bna/bna.h b/drivers/net/ethernet/brocade/bna/bna.h index 4d7a5de08e1..ede532b4e9d 100644 --- a/drivers/net/ethernet/brocade/bna/bna.h +++ b/drivers/net/ethernet/brocade/bna/bna.h @@ -25,11 +25,7 @@ extern const u32 bna_napi_dim_vector[][BNA_BIAS_T_MAX]; -/** - * - * Macros and constants - * - */ +/* Macros and constants */ #define BNA_IOC_TIMER_FREQ 200 @@ -356,11 +352,7 @@ do { \ } \ } while (0) -/** - * - * Inline functions - * - */ +/* Inline functions */ static inline struct bna_mac *bna_mac_find(struct list_head *q, u8 *addr) { @@ -377,15 +369,9 @@ static inline struct bna_mac *bna_mac_find(struct list_head *q, u8 *addr) #define bna_attr(_bna) (&(_bna)->ioceth.attr) -/** - * - * Function prototypes - * - */ +/* Function prototypes */ -/** - * BNA - */ +/* BNA */ /* FW response handlers */ void bna_bfi_stats_clr_rsp(struct bna *bna, struct bfi_msgq_mhdr *msghdr); @@ -413,24 +399,19 @@ struct bna_mcam_handle *bna_mcam_mod_handle_get(struct bna_mcam_mod *mod); void bna_mcam_mod_handle_put(struct bna_mcam_mod *mcam_mod, struct bna_mcam_handle *handle); -/** - * MBOX - */ +/* MBOX */ /* API for BNAD */ void bna_mbox_handler(struct bna *bna, u32 intr_status); -/** - * ETHPORT - */ +/* ETHPORT */ /* Callbacks for RX */ void bna_ethport_cb_rx_started(struct bna_ethport *ethport); void bna_ethport_cb_rx_stopped(struct bna_ethport *ethport); -/** - * TX MODULE AND TX - */ +/* TX MODULE AND TX */ + /* FW response handelrs */ void bna_bfi_tx_enet_start_rsp(struct bna_tx *tx, struct bfi_msgq_mhdr *msghdr); @@ -462,9 +443,7 @@ void bna_tx_disable(struct bna_tx *tx, enum bna_cleanup_type type, void bna_tx_cleanup_complete(struct bna_tx *tx); void bna_tx_coalescing_timeo_set(struct bna_tx *tx, int coalescing_timeo); -/** - * RX MODULE, RX, RXF - */ +/* RX MODULE, RX, RXF */ /* FW response handlers */ void bna_bfi_rx_enet_start_rsp(struct bna_rx *rx, @@ -522,9 +501,7 @@ bna_rx_mode_set(struct bna_rx *rx, enum bna_rxmode rxmode, void bna_rx_vlan_add(struct bna_rx *rx, int vlan_id); void bna_rx_vlan_del(struct bna_rx *rx, int vlan_id); void bna_rx_vlanfilter_enable(struct bna_rx *rx); -/** - * ENET - */ +/* ENET */ /* API for RX */ int bna_enet_mtu_get(struct bna_enet *enet); @@ -544,18 +521,14 @@ void bna_enet_mtu_set(struct bna_enet *enet, int mtu, void (*cbfn)(struct bnad *)); void bna_enet_perm_mac_get(struct bna_enet *enet, mac_t *mac); -/** - * IOCETH - */ +/* IOCETH */ /* APIs for BNAD */ void bna_ioceth_enable(struct bna_ioceth *ioceth); void bna_ioceth_disable(struct bna_ioceth *ioceth, enum bna_cleanup_type type); -/** - * BNAD - */ +/* BNAD */ /* Callbacks for ENET */ void bnad_cb_ethport_link_status(struct bnad *bnad, diff --git a/drivers/net/ethernet/brocade/bna/bna_enet.c b/drivers/net/ethernet/brocade/bna/bna_enet.c index 9ccc586e376..db14f69d63b 100644 --- a/drivers/net/ethernet/brocade/bna/bna_enet.c +++ b/drivers/net/ethernet/brocade/bna/bna_enet.c @@ -378,9 +378,8 @@ bna_msgq_rsp_handler(void *arg, struct bfi_msgq_mhdr *msghdr) } } -/** - * ETHPORT - */ +/* ETHPORT */ + #define call_ethport_stop_cbfn(_ethport) \ do { \ if ((_ethport)->stop_cbfn) { \ @@ -804,9 +803,8 @@ bna_ethport_cb_rx_stopped(struct bna_ethport *ethport) } } -/** - * ENET - */ +/* ENET */ + #define bna_enet_chld_start(enet) \ do { \ enum bna_tx_type tx_type = \ @@ -1328,9 +1326,8 @@ bna_enet_perm_mac_get(struct bna_enet *enet, mac_t *mac) *mac = bfa_nw_ioc_get_mac(&enet->bna->ioceth.ioc); } -/** - * IOCETH - */ +/* IOCETH */ + #define enable_mbox_intr(_ioceth) \ do { \ u32 intr_status; \ diff --git a/drivers/net/ethernet/brocade/bna/bna_hw_defs.h b/drivers/net/ethernet/brocade/bna/bna_hw_defs.h index 4c6aab2a953..b8c4e21fbf4 100644 --- a/drivers/net/ethernet/brocade/bna/bna_hw_defs.h +++ b/drivers/net/ethernet/brocade/bna/bna_hw_defs.h @@ -16,20 +16,15 @@ * www.brocade.com */ -/** - * File for interrupt macros and functions - */ +/* File for interrupt macros and functions */ #ifndef __BNA_HW_DEFS_H__ #define __BNA_HW_DEFS_H__ #include "bfi_reg.h" -/** - * - * SW imposed limits - * - */ +/* SW imposed limits */ + #define BFI_ENET_DEF_TXQ 1 #define BFI_ENET_DEF_RXP 1 #define BFI_ENET_DEF_UCAM 1 @@ -141,11 +136,8 @@ } #define bna_port_id_get(_bna) ((_bna)->ioceth.ioc.port_id) -/** - * - * Interrupt related bits, flags and macros - * - */ + +/* Interrupt related bits, flags and macros */ #define IB_STATUS_BITS 0x0000ffff @@ -280,11 +272,7 @@ do { \ (writel(BNA_DOORBELL_Q_PRD_IDX((_rcb)->producer_index), \ (_rcb)->q_dbell)); -/** - * - * TxQ, RxQ, CQ related bits, offsets, macros - * - */ +/* TxQ, RxQ, CQ related bits, offsets, macros */ /* TxQ Entry Opcodes */ #define BNA_TXQ_WI_SEND (0x402) /* Single Frame Transmission */ @@ -334,11 +322,7 @@ do { \ #define BNA_CQ_EF_LOCAL (1 << 20) -/** - * - * Data structures - * - */ +/* Data structures */ struct bna_reg_offset { u32 fn_int_status; @@ -371,8 +355,7 @@ struct bna_txq_wi_vector { struct bna_dma_addr host_addr; /* Tx-Buf DMA addr */ }; -/** - * TxQ Entry Structure +/* TxQ Entry Structure * * BEWARE: Load values into this structure with correct endianess. */ diff --git a/drivers/net/ethernet/brocade/bna/bna_tx_rx.c b/drivers/net/ethernet/brocade/bna/bna_tx_rx.c index 276fcb589f4..71144b396e0 100644 --- a/drivers/net/ethernet/brocade/bna/bna_tx_rx.c +++ b/drivers/net/ethernet/brocade/bna/bna_tx_rx.c @@ -18,9 +18,7 @@ #include "bna.h" #include "bfi.h" -/** - * IB - */ +/* IB */ static void bna_ib_coalescing_timeo_set(struct bna_ib *ib, u8 coalescing_timeo) { @@ -29,9 +27,7 @@ bna_ib_coalescing_timeo_set(struct bna_ib *ib, u8 coalescing_timeo) (u32)ib->coalescing_timeo, 0); } -/** - * RXF - */ +/* RXF */ #define bna_rxf_vlan_cfg_soft_reset(rxf) \ do { \ @@ -1312,9 +1308,7 @@ bna_rxf_vlan_strip_cfg_apply(struct bna_rxf *rxf) return 0; } -/** - * RX - */ +/* RX */ #define BNA_GET_RXQS(qcfg) (((qcfg)->rxp_type == BNA_RXP_SINGLE) ? \ (qcfg)->num_paths : ((qcfg)->num_paths * 2)) @@ -2791,9 +2785,8 @@ const u32 bna_napi_dim_vector[BNA_LOAD_T_MAX][BNA_BIAS_T_MAX] = { {1, 2}, }; -/** - * TX - */ +/* TX */ + #define call_tx_stop_cbfn(tx) \ do { \ if ((tx)->stop_cbfn) { \ diff --git a/drivers/net/ethernet/brocade/bna/bna_types.h b/drivers/net/ethernet/brocade/bna/bna_types.h index e8d3ab7ea6c..d3eb8bddfb2 100644 --- a/drivers/net/ethernet/brocade/bna/bna_types.h +++ b/drivers/net/ethernet/brocade/bna/bna_types.h @@ -23,11 +23,7 @@ #include "bfa_cee.h" #include "bfa_msgq.h" -/** - * - * Forward declarations - * - */ +/* Forward declarations */ struct bna_mcam_handle; struct bna_txq; @@ -40,11 +36,7 @@ struct bna_enet; struct bna; struct bnad; -/** - * - * Enums, primitive data types - * - */ +/* Enums, primitive data types */ enum bna_status { BNA_STATUS_T_DISABLED = 0, @@ -331,11 +323,7 @@ struct bna_attr { int max_rit_size; }; -/** - * - * IOCEth - * - */ +/* IOCEth */ struct bna_ioceth { bfa_fsm_t fsm; @@ -351,11 +339,7 @@ struct bna_ioceth { struct bna *bna; }; -/** - * - * Enet - * - */ +/* Enet */ /* Pause configuration */ struct bna_pause_config { @@ -390,11 +374,7 @@ struct bna_enet { struct bna *bna; }; -/** - * - * Ethport - * - */ +/* Ethport */ struct bna_ethport { bfa_fsm_t fsm; @@ -419,11 +399,7 @@ struct bna_ethport { struct bna *bna; }; -/** - * - * Interrupt Block - * - */ +/* Interrupt Block */ /* Doorbell structure */ struct bna_ib_dbell { @@ -447,11 +423,7 @@ struct bna_ib { int interpkt_timeo; }; -/** - * - * Tx object - * - */ +/* Tx object */ /* Tx datapath control structure */ #define BNA_Q_NAME_SIZE 16 @@ -585,11 +557,7 @@ struct bna_tx_mod { struct bna *bna; }; -/** - * - * Rx object - * - */ +/* Rx object */ /* Rx datapath control structure */ struct bna_rcb { @@ -898,11 +866,7 @@ struct bna_rx_mod { u32 rid_mask; }; -/** - * - * CAM - * - */ +/* CAM */ struct bna_ucam_mod { struct bna_mac *ucmac; /* BFI_MAX_UCMAC entries */ @@ -927,11 +891,7 @@ struct bna_mcam_mod { struct bna *bna; }; -/** - * - * Statistics - * - */ +/* Statistics */ struct bna_stats { struct bna_dma_addr hw_stats_dma; @@ -949,11 +909,7 @@ struct bna_stats_mod { struct bfi_enet_stats_req stats_clr; }; -/** - * - * BNA - * - */ +/* BNA */ struct bna { struct bna_ident ident; diff --git a/drivers/net/ethernet/brocade/bna/bnad.c b/drivers/net/ethernet/brocade/bna/bnad.c index 67cd2ed0306..b441f33258e 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.c +++ b/drivers/net/ethernet/brocade/bna/bnad.c @@ -1302,8 +1302,7 @@ bnad_txrx_irq_alloc(struct bnad *bnad, enum bnad_intr_source src, return 0; } -/** - * NOTE: Should be called for MSIX only +/* NOTE: Should be called for MSIX only * Unregisters Tx MSIX vector(s) from the kernel */ static void @@ -1322,8 +1321,7 @@ bnad_tx_msix_unregister(struct bnad *bnad, struct bnad_tx_info *tx_info, } } -/** - * NOTE: Should be called for MSIX only +/* NOTE: Should be called for MSIX only * Registers Tx MSIX vector(s) and ISR(s), cookie with the kernel */ static int @@ -1354,8 +1352,7 @@ err_return: return -1; } -/** - * NOTE: Should be called for MSIX only +/* NOTE: Should be called for MSIX only * Unregisters Rx MSIX vector(s) from the kernel */ static void @@ -1375,8 +1372,7 @@ bnad_rx_msix_unregister(struct bnad *bnad, struct bnad_rx_info *rx_info, } } -/** - * NOTE: Should be called for MSIX only +/* NOTE: Should be called for MSIX only * Registers Tx MSIX vector(s) and ISR(s), cookie with the kernel */ static int diff --git a/drivers/net/ethernet/brocade/bna/bnad.h b/drivers/net/ethernet/brocade/bna/bnad.h index 72742be1127..d7833922475 100644 --- a/drivers/net/ethernet/brocade/bna/bnad.h +++ b/drivers/net/ethernet/brocade/bna/bnad.h @@ -389,9 +389,7 @@ extern void bnad_netdev_hwstats_fill(struct bnad *bnad, void bnad_debugfs_init(struct bnad *bnad); void bnad_debugfs_uninit(struct bnad *bnad); -/** - * MACROS - */ +/* MACROS */ /* To set & get the stats counters */ #define BNAD_UPDATE_CTR(_bnad, _ctr) \ (((_bnad)->stats.drv_stats._ctr)++) diff --git a/drivers/net/ethernet/calxeda/xgmac.c b/drivers/net/ethernet/calxeda/xgmac.c index 11f667f6131..2b4b4f529ab 100644 --- a/drivers/net/ethernet/calxeda/xgmac.c +++ b/drivers/net/ethernet/calxeda/xgmac.c @@ -264,7 +264,7 @@ #define XGMAC_OMR_FEF 0x00000080 /* Forward Error Frames */ #define XGMAC_OMR_DT 0x00000040 /* Drop TCP/IP csum Errors */ #define XGMAC_OMR_RSF 0x00000020 /* RX FIFO Store and Forward */ -#define XGMAC_OMR_RTC 0x00000010 /* RX Threshhold Ctrl */ +#define XGMAC_OMR_RTC_256 0x00000018 /* RX Threshhold Ctrl */ #define XGMAC_OMR_RTC_MASK 0x00000018 /* RX Threshhold Ctrl MASK */ /* XGMAC HW Features Register */ @@ -671,26 +671,23 @@ static void xgmac_rx_refill(struct xgmac_priv *priv) p = priv->dma_rx + entry; - if (priv->rx_skbuff[entry] != NULL) - continue; - - skb = __skb_dequeue(&priv->rx_recycle); - if (skb == NULL) - skb = netdev_alloc_skb(priv->dev, priv->dma_buf_sz); - if (unlikely(skb == NULL)) - break; - - priv->rx_skbuff[entry] = skb; - paddr = dma_map_single(priv->device, skb->data, - priv->dma_buf_sz, DMA_FROM_DEVICE); - desc_set_buf_addr(p, paddr, priv->dma_buf_sz); + if (priv->rx_skbuff[entry] == NULL) { + skb = __skb_dequeue(&priv->rx_recycle); + if (skb == NULL) + skb = netdev_alloc_skb(priv->dev, priv->dma_buf_sz); + if (unlikely(skb == NULL)) + break; + + priv->rx_skbuff[entry] = skb; + paddr = dma_map_single(priv->device, skb->data, + priv->dma_buf_sz, DMA_FROM_DEVICE); + desc_set_buf_addr(p, paddr, priv->dma_buf_sz); + } netdev_dbg(priv->dev, "rx ring: head %d, tail %d\n", priv->rx_head, priv->rx_tail); priv->rx_head = dma_ring_incr(priv->rx_head, DMA_RX_RING_SZ); - /* Ensure descriptor is in memory before handing to h/w */ - wmb(); desc_set_rx_owner(p); } } @@ -933,6 +930,7 @@ static void xgmac_tx_err(struct xgmac_priv *priv) desc_init_tx_desc(priv->dma_tx, DMA_TX_RING_SZ); priv->tx_tail = 0; priv->tx_head = 0; + writel(priv->dma_tx_phy, priv->base + XGMAC_DMA_TX_BASE_ADDR); writel(reg | DMA_CONTROL_ST, priv->base + XGMAC_DMA_CONTROL); writel(DMA_STATUS_TU | DMA_STATUS_TPS | DMA_STATUS_NIS | DMA_STATUS_AIS, @@ -972,7 +970,7 @@ static int xgmac_hw_init(struct net_device *dev) writel(DMA_INTR_DEFAULT_MASK, ioaddr + XGMAC_DMA_INTR_ENA); /* XGMAC requires AXI bus init. This is a 'magic number' for now */ - writel(0x000100E, ioaddr + XGMAC_DMA_AXI_BUS); + writel(0x0077000E, ioaddr + XGMAC_DMA_AXI_BUS); ctrl |= XGMAC_CONTROL_DDIC | XGMAC_CONTROL_JE | XGMAC_CONTROL_ACS | XGMAC_CONTROL_CAR; @@ -984,7 +982,8 @@ static int xgmac_hw_init(struct net_device *dev) writel(value, ioaddr + XGMAC_DMA_CONTROL); /* Set the HW DMA mode and the COE */ - writel(XGMAC_OMR_TSF | XGMAC_OMR_RSF | XGMAC_OMR_RFD | XGMAC_OMR_RFA, + writel(XGMAC_OMR_TSF | XGMAC_OMR_RFD | XGMAC_OMR_RFA | + XGMAC_OMR_RTC_256, ioaddr + XGMAC_OMR); /* Reset the MMC counters */ diff --git a/drivers/net/ethernet/chelsio/cxgb3/sge.c b/drivers/net/ethernet/chelsio/cxgb3/sge.c index cfb60e1f51d..dd901c5061b 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb3/sge.c @@ -2877,7 +2877,7 @@ static void sge_timer_tx(unsigned long data) mod_timer(&qs->tx_reclaim_timer, jiffies + next_period); } -/* +/** * sge_timer_rx - perform periodic maintenance of an SGE qset * @data: the SGE queue set to maintain * diff --git a/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c b/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c index 44ac2f40b64..bff8a3cdd3d 100644 --- a/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb3/t3_hw.c @@ -1076,7 +1076,7 @@ static int t3_flash_erase_sectors(struct adapter *adapter, int start, int end) return 0; } -/* +/** * t3_load_fw - download firmware * @adapter: the adapter * @fw_data: the firmware image to write diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index 32e1dd566a1..fa947dfa4c3 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -2010,7 +2010,7 @@ int t4_fwaddrspace_write(struct adapter *adap, unsigned int mbox, return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); } -/* +/** * t4_mem_win_read_len - read memory through PCIE memory window * @adap: the adapter * @addr: address of first byte requested aligned on 32b. diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c index 8132c785cea..ad1468b3ab9 100644 --- a/drivers/net/ethernet/cisco/enic/enic_main.c +++ b/drivers/net/ethernet/cisco/enic/enic_main.c @@ -1300,8 +1300,6 @@ static void enic_rq_indicate_buf(struct vnic_rq *rq, skb->ip_summed = CHECKSUM_COMPLETE; } - skb->dev = netdev; - if (vlan_stripped) __vlan_hwaccel_put_tag(skb, vlan_tci); diff --git a/drivers/net/ethernet/ethoc.c b/drivers/net/ethernet/ethoc.c index a3816781054..20297881f8e 100644 --- a/drivers/net/ethernet/ethoc.c +++ b/drivers/net/ethernet/ethoc.c @@ -902,7 +902,7 @@ static const struct net_device_ops ethoc_netdev_ops = { }; /** - * ethoc_probe() - initialize OpenCores ethernet MAC + * ethoc_probe - initialize OpenCores ethernet MAC * pdev: platform device */ static int __devinit ethoc_probe(struct platform_device *pdev) @@ -1140,7 +1140,7 @@ out: } /** - * ethoc_remove() - shutdown OpenCores ethernet MAC + * ethoc_remove - shutdown OpenCores ethernet MAC * @pdev: platform device */ static int __devexit ethoc_remove(struct platform_device *pdev) diff --git a/drivers/net/ethernet/freescale/fec.c b/drivers/net/ethernet/freescale/fec.c index dafd797a606..fffd20528b5 100644 --- a/drivers/net/ethernet/freescale/fec.c +++ b/drivers/net/ethernet/freescale/fec.c @@ -1389,8 +1389,8 @@ fec_set_mac_address(struct net_device *ndev, void *p) } #ifdef CONFIG_NET_POLL_CONTROLLER -/* - * fec_poll_controller: FEC Poll controller function +/** + * fec_poll_controller - FEC Poll controller function * @dev: The FEC network adapter * * Polled functionality used by netconsole and others in non interrupt mode diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index af16f9fbc35..4605f724668 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -2077,10 +2077,9 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_OK; } - /* Steal sock reference for processing TX time stamps */ - swap(skb_new->sk, skb->sk); - swap(skb_new->destructor, skb->destructor); - kfree_skb(skb); + if (skb->sk) + skb_set_owner_w(skb_new, skb->sk); + consume_skb(skb); skb = skb_new; } diff --git a/drivers/net/ethernet/ibm/ehea/ehea_qmr.c b/drivers/net/ethernet/ibm/ehea/ehea_qmr.c index 4fb47f14dbf..cb66f574dc9 100644 --- a/drivers/net/ethernet/ibm/ehea/ehea_qmr.c +++ b/drivers/net/ethernet/ibm/ehea/ehea_qmr.c @@ -376,9 +376,7 @@ int ehea_destroy_eq(struct ehea_eq *eq) return 0; } -/** - * allocates memory for a queue and registers pages in phyp - */ +/* allocates memory for a queue and registers pages in phyp */ static int ehea_qp_alloc_register(struct ehea_qp *qp, struct hw_queue *hw_queue, int nr_pages, int wqe_size, int act_nr_sges, struct ehea_adapter *adapter, int h_call_q_selector) diff --git a/drivers/net/ethernet/intel/e1000/e1000_hw.c b/drivers/net/ethernet/intel/e1000/e1000_hw.c index c526279e492..3d683952876 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_hw.c +++ b/drivers/net/ethernet/intel/e1000/e1000_hw.c @@ -399,7 +399,7 @@ void e1000_set_media_type(struct e1000_hw *hw) } /** - * e1000_reset_hw: reset the hardware completely + * e1000_reset_hw - reset the hardware completely * @hw: Struct containing variables accessed by shared code * * Reset the transmit and receive units; mask and clear all interrupts. @@ -546,7 +546,7 @@ s32 e1000_reset_hw(struct e1000_hw *hw) } /** - * e1000_init_hw: Performs basic configuration of the adapter. + * e1000_init_hw - Performs basic configuration of the adapter. * @hw: Struct containing variables accessed by shared code * * Assumes that the controller has previously been reset and is in a @@ -2591,7 +2591,7 @@ s32 e1000_check_for_link(struct e1000_hw *hw) * @hw: Struct containing variables accessed by shared code * @speed: Speed of the connection * @duplex: Duplex setting of the connection - + * * Detects the current speed and duplex settings of the hardware. */ s32 e1000_get_speed_and_duplex(struct e1000_hw *hw, u16 *speed, u16 *duplex) @@ -2959,7 +2959,7 @@ static s32 e1000_read_phy_reg_ex(struct e1000_hw *hw, u32 reg_addr, * @hw: Struct containing variables accessed by shared code * @reg_addr: address of the PHY register to write * @data: data to write to the PHY - + * * Writes a value to a PHY register */ s32 e1000_write_phy_reg(struct e1000_hw *hw, u32 reg_addr, u16 phy_data) diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 183a4a3224b..3bfbb8df898 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -721,9 +721,7 @@ void e1000_reset(struct e1000_adapter *adapter) e1000_release_manageability(adapter); } -/** - * Dump the eeprom for users having checksum issues - **/ +/* Dump the eeprom for users having checksum issues */ static void e1000_dump_eeprom(struct e1000_adapter *adapter) { struct net_device *netdev = adapter->netdev; @@ -3056,14 +3054,13 @@ static void e1000_tx_queue(struct e1000_adapter *adapter, mmiowb(); } -/** - * 82547 workaround to avoid controller hang in half-duplex environment. +/* 82547 workaround to avoid controller hang in half-duplex environment. * The workaround is to avoid queuing a large packet that would span * the internal Tx FIFO ring boundary by notifying the stack to resend * the packet at a later time. This gives the Tx FIFO an opportunity to * flush all packets. When that occurs, we reset the Tx FIFO pointers * to the beginning of the Tx FIFO. - **/ + */ #define E1000_FIFO_HDR 0x10 #define E1000_82547_PAD_LEN 0x3E0 diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index a166efc2fea..ca477e87eb8 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -2159,7 +2159,7 @@ void e1000e_release_hw_control(struct e1000_adapter *adapter) } /** - * @e1000_alloc_ring - allocate memory for a ring structure + * e1000_alloc_ring_dma - allocate memory for a ring structure **/ static int e1000_alloc_ring_dma(struct e1000_adapter *adapter, struct e1000_ring *ring) diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index 01ced68d3aa..60e307548f4 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -5777,6 +5777,7 @@ static void igb_tx_hwtstamp(struct igb_q_vector *q_vector, /** * igb_clean_tx_irq - Reclaim resources after transmit completes * @q_vector: pointer to q_vector containing needed info + * * returns true if ring is completely cleaned **/ static bool igb_clean_tx_irq(struct igb_q_vector *q_vector) diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c index 8ec74b07f94..0696abfe994 100644 --- a/drivers/net/ethernet/intel/igbvf/netdev.c +++ b/drivers/net/ethernet/intel/igbvf/netdev.c @@ -766,6 +766,7 @@ static void igbvf_set_itr(struct igbvf_adapter *adapter) /** * igbvf_clean_tx_irq - Reclaim resources after transmit completes * @adapter: board private structure + * * returns true if ring is completely cleaned **/ static bool igbvf_clean_tx_irq(struct igbvf_ring *tx_ring) diff --git a/drivers/net/ethernet/intel/igbvf/vf.c b/drivers/net/ethernet/intel/igbvf/vf.c index 30a6cc42603..eea0e10ce12 100644 --- a/drivers/net/ethernet/intel/igbvf/vf.c +++ b/drivers/net/ethernet/intel/igbvf/vf.c @@ -283,7 +283,8 @@ static s32 e1000_set_vfta_vf(struct e1000_hw *hw, u16 vid, bool set) return err; } -/** e1000_rlpml_set_vf - Set the maximum receive packet length +/** + * e1000_rlpml_set_vf - Set the maximum receive packet length * @hw: pointer to the HW structure * @max_size: value to assign to max frame size **/ @@ -302,7 +303,7 @@ void e1000_rlpml_set_vf(struct e1000_hw *hw, u16 max_size) * e1000_rar_set_vf - set device MAC address * @hw: pointer to the HW structure * @addr: pointer to the receive address - * @index receive address array register + * @index: receive address array register **/ static void e1000_rar_set_vf(struct e1000_hw *hw, u8 * addr, u32 index) { diff --git a/drivers/net/ethernet/intel/ixgb/ixgb_main.c b/drivers/net/ethernet/intel/ixgb/ixgb_main.c index 5fce363d810..aab649f8c5f 100644 --- a/drivers/net/ethernet/intel/ixgb/ixgb_main.c +++ b/drivers/net/ethernet/intel/ixgb/ixgb_main.c @@ -2276,9 +2276,9 @@ static void ixgb_netpoll(struct net_device *dev) #endif /** - * ixgb_io_error_detected() - called when PCI error is detected - * @pdev pointer to pci device with error - * @state pci channel state after error + * ixgb_io_error_detected - called when PCI error is detected + * @pdev: pointer to pci device with error + * @state: pci channel state after error * * This callback is called by the PCI subsystem whenever * a PCI bus error is detected. diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c index 77ac41feb0f..bb7fde45c05 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c @@ -3132,7 +3132,7 @@ s32 ixgbe_check_mac_link_generic(struct ixgbe_hw *hw, ixgbe_link_speed *speed, } /** - * ixgbe_get_wwn_prefix_generic Get alternative WWNN/WWPN prefix from + * ixgbe_get_wwn_prefix_generic - Get alternative WWNN/WWPN prefix from * the EEPROM * @hw: pointer to hardware structure * @wwnn_prefix: the alternative WWNN prefix @@ -3325,6 +3325,7 @@ void ixgbe_set_rxpba_generic(struct ixgbe_hw *hw, * ixgbe_calculate_checksum - Calculate checksum for buffer * @buffer: pointer to EEPROM * @length: size of EEPROM to calculate a checksum for + * * Calculates the checksum for some buffer on a specified length. The * checksum calculated is returned. **/ diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c index bc07933d67d..0ee4dbf4a75 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c @@ -38,7 +38,7 @@ /** * ixgbe_fcoe_clear_ddp - clear the given ddp context - * @ddp - ptr to the ixgbe_fcoe_ddp + * @ddp: ptr to the ixgbe_fcoe_ddp * * Returns : none * diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c index c377706e81a..f36c3c38dbc 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c @@ -252,7 +252,7 @@ static void ixgbe_cache_ring_register(struct ixgbe_adapter *adapter) } /** - * ixgbe_set_sriov_queues: Allocate queues for IOV use + * ixgbe_set_sriov_queues - Allocate queues for IOV use * @adapter: board private structure to initialize * * IOV doesn't actually use anything, so just NAK the @@ -265,7 +265,7 @@ static inline bool ixgbe_set_sriov_queues(struct ixgbe_adapter *adapter) } /** - * ixgbe_set_rss_queues: Allocate queues for RSS + * ixgbe_set_rss_queues - Allocate queues for RSS * @adapter: board private structure to initialize * * This is our "base" multiqueue mode. RSS (Receive Side Scaling) will try @@ -288,7 +288,7 @@ static inline bool ixgbe_set_rss_queues(struct ixgbe_adapter *adapter) } /** - * ixgbe_set_fdir_queues: Allocate queues for Flow Director + * ixgbe_set_fdir_queues - Allocate queues for Flow Director * @adapter: board private structure to initialize * * Flow Director is an advanced Rx filter, attempting to get Rx flows back @@ -323,7 +323,7 @@ static inline bool ixgbe_set_fdir_queues(struct ixgbe_adapter *adapter) #ifdef IXGBE_FCOE /** - * ixgbe_set_fcoe_queues: Allocate queues for Fiber Channel over Ethernet (FCoE) + * ixgbe_set_fcoe_queues - Allocate queues for Fiber Channel over Ethernet (FCoE) * @adapter: board private structure to initialize * * FCoE RX FCRETA can use up to 8 rx queues for up to 8 different exchanges. @@ -410,7 +410,7 @@ static inline bool ixgbe_set_dcb_queues(struct ixgbe_adapter *adapter) #endif /** - * ixgbe_set_num_queues: Allocate queues for device, feature dependent + * ixgbe_set_num_queues - Allocate queues for device, feature dependent * @adapter: board private structure to initialize * * This is the top level queue allocation routine. The order here is very diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 5afbb37a738..59a3f141feb 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -516,7 +516,7 @@ static void ixgbe_get_hw_control(struct ixgbe_adapter *adapter) ctrl_ext | IXGBE_CTRL_EXT_DRV_LOAD); } -/* +/** * ixgbe_set_ivar - set the IVAR registers, mapping interrupt causes to vectors * @adapter: pointer to adapter struct * @direction: 0 for Rx, 1 for Tx, -1 for other causes @@ -3591,7 +3591,7 @@ static void ixgbe_napi_disable_all(struct ixgbe_adapter *adapter) } #ifdef CONFIG_IXGBE_DCB -/* +/** * ixgbe_configure_dcb - Configure DCB hardware * @adapter: ixgbe adapter struct * @@ -3658,11 +3658,11 @@ static void ixgbe_configure_dcb(struct ixgbe_adapter *adapter) /* Additional bittime to account for IXGBE framing */ #define IXGBE_ETH_FRAMING 20 -/* +/** * ixgbe_hpbthresh - calculate high water mark for flow control * * @adapter: board private structure to calculate for - * @pb - packet buffer to calculate + * @pb: packet buffer to calculate */ static int ixgbe_hpbthresh(struct ixgbe_adapter *adapter, int pb) { @@ -3722,11 +3722,11 @@ static int ixgbe_hpbthresh(struct ixgbe_adapter *adapter, int pb) return marker; } -/* +/** * ixgbe_lpbthresh - calculate low water mark for for flow control * * @adapter: board private structure to calculate for - * @pb - packet buffer to calculate + * @pb: packet buffer to calculate */ static int ixgbe_lpbthresh(struct ixgbe_adapter *adapter) { @@ -5243,7 +5243,7 @@ void ixgbe_update_stats(struct ixgbe_adapter *adapter) /** * ixgbe_fdir_reinit_subtask - worker thread to reinit FDIR filter table - * @adapter - pointer to the device adapter structure + * @adapter: pointer to the device adapter structure **/ static void ixgbe_fdir_reinit_subtask(struct ixgbe_adapter *adapter) { @@ -5279,7 +5279,7 @@ static void ixgbe_fdir_reinit_subtask(struct ixgbe_adapter *adapter) /** * ixgbe_check_hang_subtask - check for hung queues and dropped interrupts - * @adapter - pointer to the device adapter structure + * @adapter: pointer to the device adapter structure * * This function serves two purposes. First it strobes the interrupt lines * in order to make certain interrupts are occurring. Secondly it sets the @@ -5327,8 +5327,8 @@ static void ixgbe_check_hang_subtask(struct ixgbe_adapter *adapter) /** * ixgbe_watchdog_update_link - update the link status - * @adapter - pointer to the device adapter structure - * @link_speed - pointer to a u32 to store the link_speed + * @adapter: pointer to the device adapter structure + * @link_speed: pointer to a u32 to store the link_speed **/ static void ixgbe_watchdog_update_link(struct ixgbe_adapter *adapter) { @@ -5371,7 +5371,7 @@ static void ixgbe_watchdog_update_link(struct ixgbe_adapter *adapter) /** * ixgbe_watchdog_link_is_up - update netif_carrier status and * print link up message - * @adapter - pointer to the device adapter structure + * @adapter: pointer to the device adapter structure **/ static void ixgbe_watchdog_link_is_up(struct ixgbe_adapter *adapter) { @@ -5431,7 +5431,7 @@ static void ixgbe_watchdog_link_is_up(struct ixgbe_adapter *adapter) /** * ixgbe_watchdog_link_is_down - update netif_carrier status and * print link down message - * @adapter - pointer to the adapter structure + * @adapter: pointer to the adapter structure **/ static void ixgbe_watchdog_link_is_down(struct ixgbe_adapter *adapter) { @@ -5459,7 +5459,7 @@ static void ixgbe_watchdog_link_is_down(struct ixgbe_adapter *adapter) /** * ixgbe_watchdog_flush_tx - flush queues on link down - * @adapter - pointer to the device adapter structure + * @adapter: pointer to the device adapter structure **/ static void ixgbe_watchdog_flush_tx(struct ixgbe_adapter *adapter) { @@ -5508,7 +5508,7 @@ static void ixgbe_spoof_check(struct ixgbe_adapter *adapter) /** * ixgbe_watchdog_subtask - check and bring link up - * @adapter - pointer to the device adapter structure + * @adapter: pointer to the device adapter structure **/ static void ixgbe_watchdog_subtask(struct ixgbe_adapter *adapter) { @@ -5532,7 +5532,7 @@ static void ixgbe_watchdog_subtask(struct ixgbe_adapter *adapter) /** * ixgbe_sfp_detection_subtask - poll for SFP+ cable - * @adapter - the ixgbe adapter structure + * @adapter: the ixgbe adapter structure **/ static void ixgbe_sfp_detection_subtask(struct ixgbe_adapter *adapter) { @@ -5599,7 +5599,7 @@ sfp_out: /** * ixgbe_sfp_link_config_subtask - set up link SFP after module install - * @adapter - the ixgbe adapter structure + * @adapter: the ixgbe adapter structure **/ static void ixgbe_sfp_link_config_subtask(struct ixgbe_adapter *adapter) { @@ -6586,8 +6586,9 @@ static struct rtnl_link_stats64 *ixgbe_get_stats64(struct net_device *netdev, } #ifdef CONFIG_IXGBE_DCB -/* ixgbe_validate_rtr - verify 802.1Qp to Rx packet buffer mapping is valid. - * #adapter: pointer to ixgbe_adapter +/** + * ixgbe_validate_rtr - verify 802.1Qp to Rx packet buffer mapping is valid. + * @adapter: pointer to ixgbe_adapter * @tc: number of traffic classes currently enabled * * Configure a valid 802.1Qp to Rx packet buffer mapping ie confirm @@ -6622,8 +6623,8 @@ static void ixgbe_validate_rtr(struct ixgbe_adapter *adapter, u8 tc) return; } -/* ixgbe_setup_tc - routine to configure net_device for multiple traffic - * classes. +/** + * ixgbe_setup_tc - configure net_device for multiple traffic classes * * @netdev: net device to configure * @tc: number of traffic classes to enable @@ -6639,6 +6640,11 @@ int ixgbe_setup_tc(struct net_device *dev, u8 tc) return -EINVAL; } + if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) { + e_err(drv, "Enable failed, SR-IOV enabled\n"); + return -EINVAL; + } + /* Hardware supports up to 8 traffic classes */ if (tc > adapter->dcb_cfg.num_tcs.pg_tcs || (hw->mac.type == ixgbe_mac_82598EB && diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c index daddd844691..3456d561714 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c @@ -107,7 +107,7 @@ static struct sock_filter ptp_filter[] = { /** * ixgbe_ptp_read - read raw cycle counter (to be used by time counter) - * @cc - the cyclecounter structure + * @cc: the cyclecounter structure * * this function reads the cyclecounter registers and is called by the * cyclecounter structure used to construct a ns counter from the @@ -128,8 +128,8 @@ static cycle_t ixgbe_ptp_read(const struct cyclecounter *cc) /** * ixgbe_ptp_adjfreq - * @ptp - the ptp clock structure - * @ppb - parts per billion adjustment from base + * @ptp: the ptp clock structure + * @ppb: parts per billion adjustment from base * * adjust the frequency of the ptp cycle counter by the * indicated ppb from the base frequency. @@ -175,8 +175,8 @@ static int ixgbe_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb) /** * ixgbe_ptp_adjtime - * @ptp - the ptp clock structure - * @delta - offset to adjust the cycle counter by + * @ptp: the ptp clock structure + * @delta: offset to adjust the cycle counter by * * adjust the timer by resetting the timecounter structure. */ @@ -203,8 +203,8 @@ static int ixgbe_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta) /** * ixgbe_ptp_gettime - * @ptp - the ptp clock structure - * @ts - timespec structure to hold the current time value + * @ptp: the ptp clock structure + * @ts: timespec structure to hold the current time value * * read the timecounter and return the correct value on ns, * after converting it into a struct timespec. @@ -229,8 +229,8 @@ static int ixgbe_ptp_gettime(struct ptp_clock_info *ptp, struct timespec *ts) /** * ixgbe_ptp_settime - * @ptp - the ptp clock structure - * @ts - the timespec containing the new time for the cycle counter + * @ptp: the ptp clock structure + * @ts: the timespec containing the new time for the cycle counter * * reset the timecounter to use a new base value instead of the kernel * wall timer value. @@ -256,9 +256,9 @@ static int ixgbe_ptp_settime(struct ptp_clock_info *ptp, /** * ixgbe_ptp_enable - * @ptp - the ptp clock structure - * @rq - the requested feature to change - * @on - whether to enable or disable the feature + * @ptp: the ptp clock structure + * @rq: the requested feature to change + * @on: whether to enable or disable the feature * * enable (or disable) ancillary features of the phc subsystem. * our driver only supports the PPS feature on the X540 @@ -294,8 +294,8 @@ static int ixgbe_ptp_enable(struct ptp_clock_info *ptp, /** * ixgbe_ptp_check_pps_event - * @adapter - the private adapter structure - * @eicr - the interrupt cause register value + * @adapter: the private adapter structure + * @eicr: the interrupt cause register value * * This function is called by the interrupt routine when checking for * interrupts. It will check and handle a pps event. @@ -325,8 +325,8 @@ void ixgbe_ptp_check_pps_event(struct ixgbe_adapter *adapter, u32 eicr) /** * ixgbe_ptp_enable_sdp - * @hw - the hardware private structure - * @shift - the clock shift for calculating nanoseconds + * @hw: the hardware private structure + * @shift: the clock shift for calculating nanoseconds * * this function enables the clock out feature on the sdp0 for the * X540 device. It will create a 1second periodic output that can be @@ -399,7 +399,7 @@ static void ixgbe_ptp_enable_sdp(struct ixgbe_hw *hw, int shift) /** * ixgbe_ptp_disable_sdp - * @hw - the private hardware structure + * @hw: the private hardware structure * * this function disables the auxiliary SDP clock out feature */ @@ -769,7 +769,7 @@ int ixgbe_ptp_hwtstamp_ioctl(struct ixgbe_adapter *adapter, /** * ixgbe_ptp_start_cyclecounter - create the cycle counter from hw - * @adapter - pointer to the adapter structure + * @adapter: pointer to the adapter structure * * this function initializes the timecounter and cyclecounter * structures for use in generated a ns counter from the arbitrary @@ -905,7 +905,7 @@ void ixgbe_ptp_start_cyclecounter(struct ixgbe_adapter *adapter) /** * ixgbe_ptp_init - * @adapter - the ixgbe private adapter structure + * @adapter: the ixgbe private adapter structure * * This function performs the required steps for enabling ptp * support. If ptp support has already been loaded it simply calls the diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sysfs.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sysfs.c index 2334fce4701..16ddf14e8ba 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sysfs.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sysfs.c @@ -95,11 +95,11 @@ static ssize_t ixgbe_hwmon_show_maxopthresh(struct device *dev, return sprintf(buf, "%u\n", value); } -/* +/** * ixgbe_add_hwmon_attr - Create hwmon attr table for a hwmon sysfs file. - * @ adapter: pointer to the adapter structure - * @ offset: offset in the eeprom sensor data table - * @ type: type of sensor data to display + * @adapter: pointer to the adapter structure + * @offset: offset in the eeprom sensor data table + * @type: type of sensor data to display * * For each file we want in hwmon's sysfs interface we need a device_attribute * This is included in our hwmon_attr struct that contains the references to diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index f69ec4288b1..0368160286f 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -115,7 +115,7 @@ static inline void ixgbevf_release_rx_desc(struct ixgbe_hw *hw, IXGBE_WRITE_REG(hw, IXGBE_VFRDT(rx_ring->reg_idx), val); } -/* +/** * ixgbevf_set_ivar - set IVAR registers - maps interrupt causes to vectors * @adapter: pointer to adapter struct * @direction: 0 for Rx, 1 for Tx, -1 for other causes @@ -1942,8 +1942,8 @@ static void ixgbevf_acquire_msix_vectors(struct ixgbevf_adapter *adapter, } } -/* - * ixgbevf_set_num_queues: Allocate queues for device, feature dependent +/** + * ixgbevf_set_num_queues - Allocate queues for device, feature dependent * @adapter: board private structure to initialize * * This is the top level queue allocation routine. The order here is very diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c index 5dc9cbd5151..9fa39ebf545 100644 --- a/drivers/net/ethernet/lantiq_etop.c +++ b/drivers/net/ethernet/lantiq_etop.c @@ -149,7 +149,6 @@ ltq_etop_hw_receive(struct ltq_etop_chan *ch) spin_unlock_irqrestore(&priv->lock, flags); skb_put(skb, len); - skb->dev = ch->netdev; skb->protocol = eth_type_trans(skb, ch->netdev); netif_receive_skb(skb); } diff --git a/drivers/net/ethernet/micrel/ks8851_mll.c b/drivers/net/ethernet/micrel/ks8851_mll.c index 875dd5e264e..59ef568d5dd 100644 --- a/drivers/net/ethernet/micrel/ks8851_mll.c +++ b/drivers/net/ethernet/micrel/ks8851_mll.c @@ -16,8 +16,7 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -/** - * Supports: +/* Supports: * KS8851 16bit MLL chip from Micrel Inc. */ @@ -465,8 +464,7 @@ static int msg_enable; #define BE1 0x2000 /* Byte Enable 1 */ #define BE0 0x1000 /* Byte Enable 0 */ -/** - * register read/write calls. +/* register read/write calls. * * All these calls issue transactions to access the chip's registers. They * all require that the necessary lock is held to prevent accesses when the @@ -1103,7 +1101,7 @@ static void ks_set_grpaddr(struct ks_net *ks) } } /* ks_set_grpaddr */ -/* +/** * ks_clear_mcast - clear multicast information * * @ks : The chip information diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c index eaf9ff0262a..37b44b91950 100644 --- a/drivers/net/ethernet/micrel/ksz884x.c +++ b/drivers/net/ethernet/micrel/ksz884x.c @@ -3913,7 +3913,7 @@ static void hw_start_rx(struct ksz_hw *hw) hw->rx_stop = 2; } -/* +/** * hw_stop_rx - stop receiving * @hw: The hardware instance. * @@ -4480,14 +4480,12 @@ static void ksz_init_rx_buffers(struct dev_info *adapter) dma_buf->len = adapter->mtu; if (!dma_buf->skb) dma_buf->skb = alloc_skb(dma_buf->len, GFP_ATOMIC); - if (dma_buf->skb && !dma_buf->dma) { - dma_buf->skb->dev = adapter->dev; + if (dma_buf->skb && !dma_buf->dma) dma_buf->dma = pci_map_single( adapter->pdev, skb_tail_pointer(dma_buf->skb), dma_buf->len, PCI_DMA_FROMDEVICE); - } /* Set descriptor. */ set_rx_buf(desc, dma_buf->dma); diff --git a/drivers/net/ethernet/neterion/s2io.c b/drivers/net/ethernet/neterion/s2io.c index e7cd587d8ae..d958c229937 100644 --- a/drivers/net/ethernet/neterion/s2io.c +++ b/drivers/net/ethernet/neterion/s2io.c @@ -3377,7 +3377,7 @@ static int wait_for_cmd_complete(void __iomem *addr, u64 busy_bit, } while (cnt < 20); return ret; } -/* +/** * check_pci_device_id - Checks if the device id is supported * @id : device id * Description: Function to check if the pci device id is supported by driver. @@ -5238,7 +5238,7 @@ static u64 do_s2io_read_unicast_mc(struct s2io_nic *sp, int offset) } /** - * s2io_set_mac_addr driver entry point + * s2io_set_mac_addr - driver entry point */ static int s2io_set_mac_addr(struct net_device *dev, void *p) @@ -6088,7 +6088,7 @@ static int s2io_bist_test(struct s2io_nic *sp, uint64_t *data) } /** - * s2io-link_test - verifies the link state of the nic + * s2io_link_test - verifies the link state of the nic * @sp ; private member of the device structure, which is a pointer to the * s2io_nic structure. * @data: variable that returns the result of each of the test conducted by @@ -6116,9 +6116,9 @@ static int s2io_link_test(struct s2io_nic *sp, uint64_t *data) /** * s2io_rldram_test - offline test for access to the RldRam chip on the NIC - * @sp - private member of the device structure, which is a pointer to the + * @sp: private member of the device structure, which is a pointer to the * s2io_nic structure. - * @data - variable that returns the result of each of the test + * @data: variable that returns the result of each of the test * conducted by the driver. * Description: * This is one of the offline test that tests the read and write diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c index 2fd1edbc5e0..4e20c5f0271 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-main.c +++ b/drivers/net/ethernet/neterion/vxge/vxge-main.c @@ -4261,9 +4261,7 @@ static int vxge_probe_fw_update(struct vxgedev *vdev) if (VXGE_FW_VER(VXGE_CERT_FW_VER_MAJOR, VXGE_CERT_FW_VER_MINOR, 0) > VXGE_FW_VER(maj, min, 0)) { vxge_debug_init(VXGE_ERR, "%s: Firmware %d.%d.%d is too old to" - " be used with this driver.\n" - "Please get the latest version from " - "ftp://ftp.s2io.com/pub/X3100-Drivers/FIRMWARE", + " be used with this driver.", VXGE_DRIVER_NAME, maj, min, bld); return -EINVAL; } diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.h b/drivers/net/ethernet/neterion/vxge/vxge-main.h index 35f3e7552ec..36ca40f8f24 100644 --- a/drivers/net/ethernet/neterion/vxge/vxge-main.h +++ b/drivers/net/ethernet/neterion/vxge/vxge-main.h @@ -430,8 +430,7 @@ void vxge_initialize_ethtool_ops(struct net_device *ndev); enum vxge_hw_status vxge_reset_all_vpaths(struct vxgedev *vdev); int vxge_fw_upgrade(struct vxgedev *vdev, char *fw_name, int override); -/** - * #define VXGE_DEBUG_INIT: debug for initialization functions +/* #define VXGE_DEBUG_INIT: debug for initialization functions * #define VXGE_DEBUG_TX : debug transmit related functions * #define VXGE_DEBUG_RX : debug recevice related functions * #define VXGE_DEBUG_MEM : debug memory module diff --git a/drivers/net/ethernet/nvidia/forcedeth.c b/drivers/net/ethernet/nvidia/forcedeth.c index 928913c4f3f..8b7c5129c7e 100644 --- a/drivers/net/ethernet/nvidia/forcedeth.c +++ b/drivers/net/ethernet/nvidia/forcedeth.c @@ -3218,7 +3218,7 @@ static void nv_force_linkspeed(struct net_device *dev, int speed, int duplex) } /** - * nv_update_linkspeed: Setup the MAC according to the link partner + * nv_update_linkspeed - Setup the MAC according to the link partner * @dev: Network device to be configured * * The function queries the PHY and checks if there is a link partner. @@ -3552,8 +3552,7 @@ static irqreturn_t nv_nic_irq(int foo, void *data) return IRQ_HANDLED; } -/** - * All _optimized functions are used to help increase performance +/* All _optimized functions are used to help increase performance * (reduce CPU and increase throughput). They use descripter version 3, * compiler directives, and reduce memory accesses. */ diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_api.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_api.c index e48f084ad22..5ae03e815ee 100644 --- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_api.c +++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_api.c @@ -60,7 +60,7 @@ static void pch_gbe_plat_get_bus_info(struct pch_gbe_hw *hw) /** * pch_gbe_plat_init_hw - Initialize hardware * @hw: Pointer to the HW structure - * Returns + * Returns: * 0: Successfully * Negative value: Failed-EBUSY */ @@ -108,7 +108,7 @@ static void pch_gbe_plat_init_function_pointers(struct pch_gbe_hw *hw) /** * pch_gbe_hal_setup_init_funcs - Initializes function pointers * @hw: Pointer to the HW structure - * Returns + * Returns: * 0: Successfully * ENOSYS: Function is not registered */ @@ -137,7 +137,7 @@ inline void pch_gbe_hal_get_bus_info(struct pch_gbe_hw *hw) /** * pch_gbe_hal_init_hw - Initialize hardware * @hw: Pointer to the HW structure - * Returns + * Returns: * 0: Successfully * ENOSYS: Function is not registered */ @@ -155,7 +155,7 @@ inline s32 pch_gbe_hal_init_hw(struct pch_gbe_hw *hw) * @hw: Pointer to the HW structure * @offset: The register to read * @data: The buffer to store the 16-bit read. - * Returns + * Returns: * 0: Successfully * Negative value: Failed */ @@ -172,7 +172,7 @@ inline s32 pch_gbe_hal_read_phy_reg(struct pch_gbe_hw *hw, u32 offset, * @hw: Pointer to the HW structure * @offset: The register to read * @data: The value to write. - * Returns + * Returns: * 0: Successfully * Negative value: Failed */ @@ -211,7 +211,7 @@ inline void pch_gbe_hal_phy_sw_reset(struct pch_gbe_hw *hw) /** * pch_gbe_hal_read_mac_addr - Reads MAC address * @hw: Pointer to the HW structure - * Returns + * Returns: * 0: Successfully * ENOSYS: Function is not registered */ diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_ethtool.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_ethtool.c index ac4e72d529e..9dbf38c10a6 100644 --- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_ethtool.c +++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_ethtool.c @@ -77,7 +77,7 @@ static const struct pch_gbe_stats pch_gbe_gstrings_stats[] = { * pch_gbe_get_settings - Get device-specific settings * @netdev: Network interface device structure * @ecmd: Ethtool command - * Returns + * Returns: * 0: Successful. * Negative value: Failed. */ @@ -100,7 +100,7 @@ static int pch_gbe_get_settings(struct net_device *netdev, * pch_gbe_set_settings - Set device-specific settings * @netdev: Network interface device structure * @ecmd: Ethtool command - * Returns + * Returns: * 0: Successful. * Negative value: Failed. */ @@ -220,7 +220,7 @@ static void pch_gbe_get_wol(struct net_device *netdev, * pch_gbe_set_wol - Turn Wake-on-Lan on or off * @netdev: Network interface device structure * @wol: Pointer of wake-on-Lan information straucture - * Returns + * Returns: * 0: Successful. * Negative value: Failed. */ @@ -248,7 +248,7 @@ static int pch_gbe_set_wol(struct net_device *netdev, /** * pch_gbe_nway_reset - Restart autonegotiation * @netdev: Network interface device structure - * Returns + * Returns: * 0: Successful. * Negative value: Failed. */ @@ -398,7 +398,7 @@ static void pch_gbe_get_pauseparam(struct net_device *netdev, * pch_gbe_set_pauseparam - Set pause paramters * @netdev: Network interface device structure * @pause: Pause parameters structure - * Returns + * Returns: * 0: Successful. * Negative value: Failed. */ diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c index 3787c64ee71..b1006563f73 100644 --- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c +++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_main.c @@ -301,7 +301,7 @@ inline void pch_gbe_mac_load_mac_addr(struct pch_gbe_hw *hw) /** * pch_gbe_mac_read_mac_addr - Read MAC address * @hw: Pointer to the HW structure - * Returns + * Returns: * 0: Successful. */ s32 pch_gbe_mac_read_mac_addr(struct pch_gbe_hw *hw) @@ -483,7 +483,7 @@ static void pch_gbe_mac_mc_addr_list_update(struct pch_gbe_hw *hw, /** * pch_gbe_mac_force_mac_fc - Force the MAC's flow control settings * @hw: Pointer to the HW structure - * Returns + * Returns: * 0: Successful. * Negative value: Failed. */ @@ -639,7 +639,7 @@ static void pch_gbe_mac_set_pause_packet(struct pch_gbe_hw *hw) /** * pch_gbe_alloc_queues - Allocate memory for all rings * @adapter: Board private structure to initialize - * Returns + * Returns: * 0: Successfully * Negative value: Failed */ @@ -670,7 +670,7 @@ static void pch_gbe_init_stats(struct pch_gbe_adapter *adapter) /** * pch_gbe_init_phy - Initialize PHY * @adapter: Board private structure to initialize - * Returns + * Returns: * 0: Successfully * Negative value: Failed */ @@ -720,7 +720,7 @@ static int pch_gbe_init_phy(struct pch_gbe_adapter *adapter) * @netdev: Network interface device structure * @addr: Phy ID * @reg: Access location - * Returns + * Returns: * 0: Successfully * Negative value: Failed */ @@ -1364,7 +1364,7 @@ static void pch_gbe_start_receive(struct pch_gbe_hw *hw) * pch_gbe_intr - Interrupt Handler * @irq: Interrupt number * @data: Pointer to a network interface device structure - * Returns + * Returns: * - IRQ_HANDLED: Our interrupt * - IRQ_NONE: Not our interrupt */ @@ -1566,7 +1566,7 @@ static void pch_gbe_alloc_tx_buffers(struct pch_gbe_adapter *adapter, * pch_gbe_clean_tx - Reclaim resources after transmit completes * @adapter: Board private structure * @tx_ring: Tx descriptor ring - * Returns + * Returns: * true: Cleaned the descriptor * false: Not cleaned the descriptor */ @@ -1660,7 +1660,7 @@ pch_gbe_clean_tx(struct pch_gbe_adapter *adapter, * @rx_ring: Rx descriptor ring * @work_done: Completed count * @work_to_do: Request count - * Returns + * Returns: * true: Cleaned the descriptor * false: Not cleaned the descriptor */ @@ -1775,7 +1775,7 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter, * pch_gbe_setup_tx_resources - Allocate Tx resources (Descriptors) * @adapter: Board private structure * @tx_ring: Tx descriptor ring (for a specific queue) to setup - * Returns + * Returns: * 0: Successfully * Negative value: Failed */ @@ -1822,7 +1822,7 @@ int pch_gbe_setup_tx_resources(struct pch_gbe_adapter *adapter, * pch_gbe_setup_rx_resources - Allocate Rx resources (Descriptors) * @adapter: Board private structure * @rx_ring: Rx descriptor ring (for a specific queue) to setup - * Returns + * Returns: * 0: Successfully * Negative value: Failed */ @@ -1899,7 +1899,7 @@ void pch_gbe_free_rx_resources(struct pch_gbe_adapter *adapter, /** * pch_gbe_request_irq - Allocate an interrupt line * @adapter: Board private structure - * Returns + * Returns: * 0: Successfully * Negative value: Failed */ @@ -1932,7 +1932,7 @@ static int pch_gbe_request_irq(struct pch_gbe_adapter *adapter) /** * pch_gbe_up - Up GbE network device * @adapter: Board private structure - * Returns + * Returns: * 0: Successfully * Negative value: Failed */ @@ -2018,7 +2018,7 @@ void pch_gbe_down(struct pch_gbe_adapter *adapter) /** * pch_gbe_sw_init - Initialize general software structures (struct pch_gbe_adapter) * @adapter: Board private structure to initialize - * Returns + * Returns: * 0: Successfully * Negative value: Failed */ @@ -2057,7 +2057,7 @@ static int pch_gbe_sw_init(struct pch_gbe_adapter *adapter) /** * pch_gbe_open - Called when a network interface is made active * @netdev: Network interface device structure - * Returns + * Returns: * 0: Successfully * Negative value: Failed */ @@ -2097,7 +2097,7 @@ err_setup_tx: /** * pch_gbe_stop - Disables a network interface * @netdev: Network interface device structure - * Returns + * Returns: * 0: Successfully */ static int pch_gbe_stop(struct net_device *netdev) @@ -2117,7 +2117,7 @@ static int pch_gbe_stop(struct net_device *netdev) * pch_gbe_xmit_frame - Packet transmitting start * @skb: Socket buffer structure * @netdev: Network interface device structure - * Returns + * Returns: * - NETDEV_TX_OK: Normal end * - NETDEV_TX_BUSY: Error end */ @@ -2225,7 +2225,7 @@ static void pch_gbe_set_multi(struct net_device *netdev) * pch_gbe_set_mac - Change the Ethernet Address of the NIC * @netdev: Network interface device structure * @addr: Pointer to an address structure - * Returns + * Returns: * 0: Successfully * -EADDRNOTAVAIL: Failed */ @@ -2256,7 +2256,7 @@ static int pch_gbe_set_mac(struct net_device *netdev, void *addr) * pch_gbe_change_mtu - Change the Maximum Transfer Unit * @netdev: Network interface device structure * @new_mtu: New value for maximum frame size - * Returns + * Returns: * 0: Successfully * -EINVAL: Failed */ @@ -2309,7 +2309,7 @@ static int pch_gbe_change_mtu(struct net_device *netdev, int new_mtu) * pch_gbe_set_features - Reset device after features changed * @netdev: Network interface device structure * @features: New features - * Returns + * Returns: * 0: HW state updated successfully */ static int pch_gbe_set_features(struct net_device *netdev, @@ -2334,7 +2334,7 @@ static int pch_gbe_set_features(struct net_device *netdev, * @netdev: Network interface device structure * @ifr: Pointer to ifr structure * @cmd: Control command - * Returns + * Returns: * 0: Successfully * Negative value: Failed */ @@ -2369,7 +2369,7 @@ static void pch_gbe_tx_timeout(struct net_device *netdev) * pch_gbe_napi_poll - NAPI receive and transfer polling callback * @napi: Pointer of polling device struct * @budget: The maximum number of a packet - * Returns + * Returns: * false: Exit the polling mode * true: Continue the polling mode */ diff --git a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c index 29e23bec809..8653c3b81f8 100644 --- a/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c +++ b/drivers/net/ethernet/oki-semi/pch_gbe/pch_gbe_param.c @@ -139,7 +139,7 @@ MODULE_PARM_DESC(XsumTX, "Disable or enable Transmit Checksum offload"); /** * pch_gbe_option - Force the MAC's flow control settings * @hw: Pointer to the HW structure - * Returns + * Returns: * 0: Successful. * Negative value: Failed. */ @@ -220,7 +220,7 @@ static const struct pch_gbe_opt_list fc_list[] = { * @value: value * @opt: option * @adapter: Board private structure - * Returns + * Returns: * 0: Successful. * Negative value: Failed. */ diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c index 8694124ef77..b2c1b676477 100644 --- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c +++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c @@ -1532,8 +1532,6 @@ static struct sk_buff *netxen_process_rxbuf(struct netxen_adapter *adapter, } else skb->ip_summed = CHECKSUM_NONE; - skb->dev = adapter->netdev; - buffer->skb = NULL; no_skb: buffer->state = NETXEN_BUFFER_FREE; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c index 8620b696aca..0bcda9c51e9 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_init.c @@ -1488,8 +1488,6 @@ static struct sk_buff *qlcnic_process_rxbuf(struct qlcnic_adapter *adapter, skb_checksum_none_assert(skb); } - skb->dev = adapter->netdev; - buffer->skb = NULL; return skb; diff --git a/drivers/net/ethernet/qlogic/qlge/qlge.h b/drivers/net/ethernet/qlogic/qlge/qlge.h index 5a639df33f1..a131d7b5d2f 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge.h +++ b/drivers/net/ethernet/qlogic/qlge/qlge.h @@ -18,13 +18,15 @@ */ #define DRV_NAME "qlge" #define DRV_STRING "QLogic 10 Gigabit PCI-E Ethernet Driver " -#define DRV_VERSION "v1.00.00.30.00.00-01" +#define DRV_VERSION "v1.00.00.31" #define WQ_ADDR_ALIGN 0x3 /* 4 byte alignment */ #define QLGE_VENDOR_ID 0x1077 #define QLGE_DEVICE_ID_8012 0x8012 #define QLGE_DEVICE_ID_8000 0x8000 +#define QLGE_MEZZ_SSYS_ID_068 0x0068 +#define QLGE_MEZZ_SSYS_ID_180 0x0180 #define MAX_CPUS 8 #define MAX_TX_RINGS MAX_CPUS #define MAX_RX_RINGS ((MAX_CPUS * 2) + 1) @@ -1397,7 +1399,6 @@ struct tx_ring { struct tx_ring_desc *q; /* descriptor list for the queue */ spinlock_t lock; atomic_t tx_count; /* counts down for every outstanding IO */ - atomic_t queue_stopped; /* Turns queue off when full. */ struct delayed_work tx_work; struct ql_adapter *qdev; u64 tx_packets; @@ -1535,6 +1536,14 @@ struct nic_stats { u64 rx_1024_to_1518_pkts; u64 rx_1519_to_max_pkts; u64 rx_len_err_pkts; + /* Receive Mac Err stats */ + u64 rx_code_err; + u64 rx_oversize_err; + u64 rx_undersize_err; + u64 rx_preamble_err; + u64 rx_frame_len_err; + u64 rx_crc_err; + u64 rx_err_count; /* * These stats come from offset 500h to 5C8h * in the XGMAC register. diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c b/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c index 8e2c2a74f3a..3d4462bd9de 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_ethtool.c @@ -35,10 +35,152 @@ #include "qlge.h" +struct ql_stats { + char stat_string[ETH_GSTRING_LEN]; + int sizeof_stat; + int stat_offset; +}; + +#define QL_SIZEOF(m) FIELD_SIZEOF(struct ql_adapter, m) +#define QL_OFF(m) offsetof(struct ql_adapter, m) + +static const struct ql_stats ql_gstrings_stats[] = { + {"tx_pkts", QL_SIZEOF(nic_stats.tx_pkts), QL_OFF(nic_stats.tx_pkts)}, + {"tx_bytes", QL_SIZEOF(nic_stats.tx_bytes), QL_OFF(nic_stats.tx_bytes)}, + {"tx_mcast_pkts", QL_SIZEOF(nic_stats.tx_mcast_pkts), + QL_OFF(nic_stats.tx_mcast_pkts)}, + {"tx_bcast_pkts", QL_SIZEOF(nic_stats.tx_bcast_pkts), + QL_OFF(nic_stats.tx_bcast_pkts)}, + {"tx_ucast_pkts", QL_SIZEOF(nic_stats.tx_ucast_pkts), + QL_OFF(nic_stats.tx_ucast_pkts)}, + {"tx_ctl_pkts", QL_SIZEOF(nic_stats.tx_ctl_pkts), + QL_OFF(nic_stats.tx_ctl_pkts)}, + {"tx_pause_pkts", QL_SIZEOF(nic_stats.tx_pause_pkts), + QL_OFF(nic_stats.tx_pause_pkts)}, + {"tx_64_pkts", QL_SIZEOF(nic_stats.tx_64_pkt), + QL_OFF(nic_stats.tx_64_pkt)}, + {"tx_65_to_127_pkts", QL_SIZEOF(nic_stats.tx_65_to_127_pkt), + QL_OFF(nic_stats.tx_65_to_127_pkt)}, + {"tx_128_to_255_pkts", QL_SIZEOF(nic_stats.tx_128_to_255_pkt), + QL_OFF(nic_stats.tx_128_to_255_pkt)}, + {"tx_256_511_pkts", QL_SIZEOF(nic_stats.tx_256_511_pkt), + QL_OFF(nic_stats.tx_256_511_pkt)}, + {"tx_512_to_1023_pkts", QL_SIZEOF(nic_stats.tx_512_to_1023_pkt), + QL_OFF(nic_stats.tx_512_to_1023_pkt)}, + {"tx_1024_to_1518_pkts", QL_SIZEOF(nic_stats.tx_1024_to_1518_pkt), + QL_OFF(nic_stats.tx_1024_to_1518_pkt)}, + {"tx_1519_to_max_pkts", QL_SIZEOF(nic_stats.tx_1519_to_max_pkt), + QL_OFF(nic_stats.tx_1519_to_max_pkt)}, + {"tx_undersize_pkts", QL_SIZEOF(nic_stats.tx_undersize_pkt), + QL_OFF(nic_stats.tx_undersize_pkt)}, + {"tx_oversize_pkts", QL_SIZEOF(nic_stats.tx_oversize_pkt), + QL_OFF(nic_stats.tx_oversize_pkt)}, + {"rx_bytes", QL_SIZEOF(nic_stats.rx_bytes), QL_OFF(nic_stats.rx_bytes)}, + {"rx_bytes_ok", QL_SIZEOF(nic_stats.rx_bytes_ok), + QL_OFF(nic_stats.rx_bytes_ok)}, + {"rx_pkts", QL_SIZEOF(nic_stats.rx_pkts), QL_OFF(nic_stats.rx_pkts)}, + {"rx_pkts_ok", QL_SIZEOF(nic_stats.rx_pkts_ok), + QL_OFF(nic_stats.rx_pkts_ok)}, + {"rx_bcast_pkts", QL_SIZEOF(nic_stats.rx_bcast_pkts), + QL_OFF(nic_stats.rx_bcast_pkts)}, + {"rx_mcast_pkts", QL_SIZEOF(nic_stats.rx_mcast_pkts), + QL_OFF(nic_stats.rx_mcast_pkts)}, + {"rx_ucast_pkts", QL_SIZEOF(nic_stats.rx_ucast_pkts), + QL_OFF(nic_stats.rx_ucast_pkts)}, + {"rx_undersize_pkts", QL_SIZEOF(nic_stats.rx_undersize_pkts), + QL_OFF(nic_stats.rx_undersize_pkts)}, + {"rx_oversize_pkts", QL_SIZEOF(nic_stats.rx_oversize_pkts), + QL_OFF(nic_stats.rx_oversize_pkts)}, + {"rx_jabber_pkts", QL_SIZEOF(nic_stats.rx_jabber_pkts), + QL_OFF(nic_stats.rx_jabber_pkts)}, + {"rx_undersize_fcerr_pkts", + QL_SIZEOF(nic_stats.rx_undersize_fcerr_pkts), + QL_OFF(nic_stats.rx_undersize_fcerr_pkts)}, + {"rx_drop_events", QL_SIZEOF(nic_stats.rx_drop_events), + QL_OFF(nic_stats.rx_drop_events)}, + {"rx_fcerr_pkts", QL_SIZEOF(nic_stats.rx_fcerr_pkts), + QL_OFF(nic_stats.rx_fcerr_pkts)}, + {"rx_align_err", QL_SIZEOF(nic_stats.rx_align_err), + QL_OFF(nic_stats.rx_align_err)}, + {"rx_symbol_err", QL_SIZEOF(nic_stats.rx_symbol_err), + QL_OFF(nic_stats.rx_symbol_err)}, + {"rx_mac_err", QL_SIZEOF(nic_stats.rx_mac_err), + QL_OFF(nic_stats.rx_mac_err)}, + {"rx_ctl_pkts", QL_SIZEOF(nic_stats.rx_ctl_pkts), + QL_OFF(nic_stats.rx_ctl_pkts)}, + {"rx_pause_pkts", QL_SIZEOF(nic_stats.rx_pause_pkts), + QL_OFF(nic_stats.rx_pause_pkts)}, + {"rx_64_pkts", QL_SIZEOF(nic_stats.rx_64_pkts), + QL_OFF(nic_stats.rx_64_pkts)}, + {"rx_65_to_127_pkts", QL_SIZEOF(nic_stats.rx_65_to_127_pkts), + QL_OFF(nic_stats.rx_65_to_127_pkts)}, + {"rx_128_255_pkts", QL_SIZEOF(nic_stats.rx_128_255_pkts), + QL_OFF(nic_stats.rx_128_255_pkts)}, + {"rx_256_511_pkts", QL_SIZEOF(nic_stats.rx_256_511_pkts), + QL_OFF(nic_stats.rx_256_511_pkts)}, + {"rx_512_to_1023_pkts", QL_SIZEOF(nic_stats.rx_512_to_1023_pkts), + QL_OFF(nic_stats.rx_512_to_1023_pkts)}, + {"rx_1024_to_1518_pkts", QL_SIZEOF(nic_stats.rx_1024_to_1518_pkts), + QL_OFF(nic_stats.rx_1024_to_1518_pkts)}, + {"rx_1519_to_max_pkts", QL_SIZEOF(nic_stats.rx_1519_to_max_pkts), + QL_OFF(nic_stats.rx_1519_to_max_pkts)}, + {"rx_len_err_pkts", QL_SIZEOF(nic_stats.rx_len_err_pkts), + QL_OFF(nic_stats.rx_len_err_pkts)}, + {"rx_code_err", QL_SIZEOF(nic_stats.rx_code_err), + QL_OFF(nic_stats.rx_code_err)}, + {"rx_oversize_err", QL_SIZEOF(nic_stats.rx_oversize_err), + QL_OFF(nic_stats.rx_oversize_err)}, + {"rx_undersize_err", QL_SIZEOF(nic_stats.rx_undersize_err), + QL_OFF(nic_stats.rx_undersize_err)}, + {"rx_preamble_err", QL_SIZEOF(nic_stats.rx_preamble_err), + QL_OFF(nic_stats.rx_preamble_err)}, + {"rx_frame_len_err", QL_SIZEOF(nic_stats.rx_frame_len_err), + QL_OFF(nic_stats.rx_frame_len_err)}, + {"rx_crc_err", QL_SIZEOF(nic_stats.rx_crc_err), + QL_OFF(nic_stats.rx_crc_err)}, + {"rx_err_count", QL_SIZEOF(nic_stats.rx_err_count), + QL_OFF(nic_stats.rx_err_count)}, + {"tx_cbfc_pause_frames0", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames0), + QL_OFF(nic_stats.tx_cbfc_pause_frames0)}, + {"tx_cbfc_pause_frames1", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames1), + QL_OFF(nic_stats.tx_cbfc_pause_frames1)}, + {"tx_cbfc_pause_frames2", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames2), + QL_OFF(nic_stats.tx_cbfc_pause_frames2)}, + {"tx_cbfc_pause_frames3", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames3), + QL_OFF(nic_stats.tx_cbfc_pause_frames3)}, + {"tx_cbfc_pause_frames4", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames4), + QL_OFF(nic_stats.tx_cbfc_pause_frames4)}, + {"tx_cbfc_pause_frames5", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames5), + QL_OFF(nic_stats.tx_cbfc_pause_frames5)}, + {"tx_cbfc_pause_frames6", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames6), + QL_OFF(nic_stats.tx_cbfc_pause_frames6)}, + {"tx_cbfc_pause_frames7", QL_SIZEOF(nic_stats.tx_cbfc_pause_frames7), + QL_OFF(nic_stats.tx_cbfc_pause_frames7)}, + {"rx_cbfc_pause_frames0", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames0), + QL_OFF(nic_stats.rx_cbfc_pause_frames0)}, + {"rx_cbfc_pause_frames1", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames1), + QL_OFF(nic_stats.rx_cbfc_pause_frames1)}, + {"rx_cbfc_pause_frames2", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames2), + QL_OFF(nic_stats.rx_cbfc_pause_frames2)}, + {"rx_cbfc_pause_frames3", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames3), + QL_OFF(nic_stats.rx_cbfc_pause_frames3)}, + {"rx_cbfc_pause_frames4", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames4), + QL_OFF(nic_stats.rx_cbfc_pause_frames4)}, + {"rx_cbfc_pause_frames5", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames5), + QL_OFF(nic_stats.rx_cbfc_pause_frames5)}, + {"rx_cbfc_pause_frames6", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames6), + QL_OFF(nic_stats.rx_cbfc_pause_frames6)}, + {"rx_cbfc_pause_frames7", QL_SIZEOF(nic_stats.rx_cbfc_pause_frames7), + QL_OFF(nic_stats.rx_cbfc_pause_frames7)}, + {"rx_nic_fifo_drop", QL_SIZEOF(nic_stats.rx_nic_fifo_drop), + QL_OFF(nic_stats.rx_nic_fifo_drop)}, +}; + static const char ql_gstrings_test[][ETH_GSTRING_LEN] = { "Loopback test (offline)" }; #define QLGE_TEST_LEN (sizeof(ql_gstrings_test) / ETH_GSTRING_LEN) +#define QLGE_STATS_LEN ARRAY_SIZE(ql_gstrings_stats) static int ql_update_ring_coalescing(struct ql_adapter *qdev) { @@ -183,73 +325,19 @@ quit: QL_DUMP_STAT(qdev); } -static char ql_stats_str_arr[][ETH_GSTRING_LEN] = { - {"tx_pkts"}, - {"tx_bytes"}, - {"tx_mcast_pkts"}, - {"tx_bcast_pkts"}, - {"tx_ucast_pkts"}, - {"tx_ctl_pkts"}, - {"tx_pause_pkts"}, - {"tx_64_pkts"}, - {"tx_65_to_127_pkts"}, - {"tx_128_to_255_pkts"}, - {"tx_256_511_pkts"}, - {"tx_512_to_1023_pkts"}, - {"tx_1024_to_1518_pkts"}, - {"tx_1519_to_max_pkts"}, - {"tx_undersize_pkts"}, - {"tx_oversize_pkts"}, - {"rx_bytes"}, - {"rx_bytes_ok"}, - {"rx_pkts"}, - {"rx_pkts_ok"}, - {"rx_bcast_pkts"}, - {"rx_mcast_pkts"}, - {"rx_ucast_pkts"}, - {"rx_undersize_pkts"}, - {"rx_oversize_pkts"}, - {"rx_jabber_pkts"}, - {"rx_undersize_fcerr_pkts"}, - {"rx_drop_events"}, - {"rx_fcerr_pkts"}, - {"rx_align_err"}, - {"rx_symbol_err"}, - {"rx_mac_err"}, - {"rx_ctl_pkts"}, - {"rx_pause_pkts"}, - {"rx_64_pkts"}, - {"rx_65_to_127_pkts"}, - {"rx_128_255_pkts"}, - {"rx_256_511_pkts"}, - {"rx_512_to_1023_pkts"}, - {"rx_1024_to_1518_pkts"}, - {"rx_1519_to_max_pkts"}, - {"rx_len_err_pkts"}, - {"tx_cbfc_pause_frames0"}, - {"tx_cbfc_pause_frames1"}, - {"tx_cbfc_pause_frames2"}, - {"tx_cbfc_pause_frames3"}, - {"tx_cbfc_pause_frames4"}, - {"tx_cbfc_pause_frames5"}, - {"tx_cbfc_pause_frames6"}, - {"tx_cbfc_pause_frames7"}, - {"rx_cbfc_pause_frames0"}, - {"rx_cbfc_pause_frames1"}, - {"rx_cbfc_pause_frames2"}, - {"rx_cbfc_pause_frames3"}, - {"rx_cbfc_pause_frames4"}, - {"rx_cbfc_pause_frames5"}, - {"rx_cbfc_pause_frames6"}, - {"rx_cbfc_pause_frames7"}, - {"rx_nic_fifo_drop"}, -}; - static void ql_get_strings(struct net_device *dev, u32 stringset, u8 *buf) { + int index; switch (stringset) { + case ETH_SS_TEST: + memcpy(buf, *ql_gstrings_test, QLGE_TEST_LEN * ETH_GSTRING_LEN); + break; case ETH_SS_STATS: - memcpy(buf, ql_stats_str_arr, sizeof(ql_stats_str_arr)); + for (index = 0; index < QLGE_STATS_LEN; index++) { + memcpy(buf + index * ETH_GSTRING_LEN, + ql_gstrings_stats[index].stat_string, + ETH_GSTRING_LEN); + } break; } } @@ -260,7 +348,7 @@ static int ql_get_sset_count(struct net_device *dev, int sset) case ETH_SS_TEST: return QLGE_TEST_LEN; case ETH_SS_STATS: - return ARRAY_SIZE(ql_stats_str_arr); + return QLGE_STATS_LEN; default: return -EOPNOTSUPP; } @@ -271,69 +359,17 @@ ql_get_ethtool_stats(struct net_device *ndev, struct ethtool_stats *stats, u64 *data) { struct ql_adapter *qdev = netdev_priv(ndev); - struct nic_stats *s = &qdev->nic_stats; + int index, length; + length = QLGE_STATS_LEN; ql_update_stats(qdev); - *data++ = s->tx_pkts; - *data++ = s->tx_bytes; - *data++ = s->tx_mcast_pkts; - *data++ = s->tx_bcast_pkts; - *data++ = s->tx_ucast_pkts; - *data++ = s->tx_ctl_pkts; - *data++ = s->tx_pause_pkts; - *data++ = s->tx_64_pkt; - *data++ = s->tx_65_to_127_pkt; - *data++ = s->tx_128_to_255_pkt; - *data++ = s->tx_256_511_pkt; - *data++ = s->tx_512_to_1023_pkt; - *data++ = s->tx_1024_to_1518_pkt; - *data++ = s->tx_1519_to_max_pkt; - *data++ = s->tx_undersize_pkt; - *data++ = s->tx_oversize_pkt; - *data++ = s->rx_bytes; - *data++ = s->rx_bytes_ok; - *data++ = s->rx_pkts; - *data++ = s->rx_pkts_ok; - *data++ = s->rx_bcast_pkts; - *data++ = s->rx_mcast_pkts; - *data++ = s->rx_ucast_pkts; - *data++ = s->rx_undersize_pkts; - *data++ = s->rx_oversize_pkts; - *data++ = s->rx_jabber_pkts; - *data++ = s->rx_undersize_fcerr_pkts; - *data++ = s->rx_drop_events; - *data++ = s->rx_fcerr_pkts; - *data++ = s->rx_align_err; - *data++ = s->rx_symbol_err; - *data++ = s->rx_mac_err; - *data++ = s->rx_ctl_pkts; - *data++ = s->rx_pause_pkts; - *data++ = s->rx_64_pkts; - *data++ = s->rx_65_to_127_pkts; - *data++ = s->rx_128_255_pkts; - *data++ = s->rx_256_511_pkts; - *data++ = s->rx_512_to_1023_pkts; - *data++ = s->rx_1024_to_1518_pkts; - *data++ = s->rx_1519_to_max_pkts; - *data++ = s->rx_len_err_pkts; - *data++ = s->tx_cbfc_pause_frames0; - *data++ = s->tx_cbfc_pause_frames1; - *data++ = s->tx_cbfc_pause_frames2; - *data++ = s->tx_cbfc_pause_frames3; - *data++ = s->tx_cbfc_pause_frames4; - *data++ = s->tx_cbfc_pause_frames5; - *data++ = s->tx_cbfc_pause_frames6; - *data++ = s->tx_cbfc_pause_frames7; - *data++ = s->rx_cbfc_pause_frames0; - *data++ = s->rx_cbfc_pause_frames1; - *data++ = s->rx_cbfc_pause_frames2; - *data++ = s->rx_cbfc_pause_frames3; - *data++ = s->rx_cbfc_pause_frames4; - *data++ = s->rx_cbfc_pause_frames5; - *data++ = s->rx_cbfc_pause_frames6; - *data++ = s->rx_cbfc_pause_frames7; - *data++ = s->rx_nic_fifo_drop; + for (index = 0; index < length; index++) { + char *p = (char *)qdev + + ql_gstrings_stats[index].stat_offset; + *data++ = (ql_gstrings_stats[index].sizeof_stat == + sizeof(u64)) ? *(u64 *)p : (*(u32 *)p); + } } static int ql_get_settings(struct net_device *ndev, @@ -388,30 +424,33 @@ static void ql_get_drvinfo(struct net_device *ndev, static void ql_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) { struct ql_adapter *qdev = netdev_priv(ndev); - /* What we support. */ - wol->supported = WAKE_MAGIC; - /* What we've currently got set. */ - wol->wolopts = qdev->wol; + unsigned short ssys_dev = qdev->pdev->subsystem_device; + + /* WOL is only supported for mezz card. */ + if (ssys_dev == QLGE_MEZZ_SSYS_ID_068 || + ssys_dev == QLGE_MEZZ_SSYS_ID_180) { + wol->supported = WAKE_MAGIC; + wol->wolopts = qdev->wol; + } } static int ql_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) { struct ql_adapter *qdev = netdev_priv(ndev); - int status; + unsigned short ssys_dev = qdev->pdev->subsystem_device; + /* WOL is only supported for mezz card. */ + if (ssys_dev != QLGE_MEZZ_SSYS_ID_068 || + ssys_dev != QLGE_MEZZ_SSYS_ID_180) { + netif_info(qdev, drv, qdev->ndev, + "WOL is only supported for mezz card\n"); + return -EOPNOTSUPP; + } if (wol->wolopts & ~WAKE_MAGIC) return -EINVAL; qdev->wol = wol->wolopts; netif_info(qdev, drv, qdev->ndev, "Set wol option 0x%x\n", qdev->wol); - if (!qdev->wol) { - u32 wol = 0; - status = ql_mb_wol_mode(qdev, wol); - netif_err(qdev, drv, qdev->ndev, "WOL %s (wol code 0x%x)\n", - status == 0 ? "cleared successfully" : "clear failed", - wol); - } - return 0; } @@ -528,6 +567,8 @@ static void ql_self_test(struct net_device *ndev, { struct ql_adapter *qdev = netdev_priv(ndev); + memset(data, 0, sizeof(u64) * QLGE_TEST_LEN); + if (netif_running(ndev)) { set_bit(QL_SELFTEST, &qdev->flags); if (eth_test->flags == ETH_TEST_FL_OFFLINE) { diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_main.c b/drivers/net/ethernet/qlogic/qlge/qlge_main.c index 3c3499d928b..31cae42498a 100644 --- a/drivers/net/ethernet/qlogic/qlge/qlge_main.c +++ b/drivers/net/ethernet/qlogic/qlge/qlge_main.c @@ -1433,6 +1433,36 @@ map_error: return NETDEV_TX_BUSY; } +/* Categorizing receive firmware frame errors */ +static void ql_categorize_rx_err(struct ql_adapter *qdev, u8 rx_err) +{ + struct nic_stats *stats = &qdev->nic_stats; + + stats->rx_err_count++; + + switch (rx_err & IB_MAC_IOCB_RSP_ERR_MASK) { + case IB_MAC_IOCB_RSP_ERR_CODE_ERR: + stats->rx_code_err++; + break; + case IB_MAC_IOCB_RSP_ERR_OVERSIZE: + stats->rx_oversize_err++; + break; + case IB_MAC_IOCB_RSP_ERR_UNDERSIZE: + stats->rx_undersize_err++; + break; + case IB_MAC_IOCB_RSP_ERR_PREAMBLE: + stats->rx_preamble_err++; + break; + case IB_MAC_IOCB_RSP_ERR_FRAME_LEN: + stats->rx_frame_len_err++; + break; + case IB_MAC_IOCB_RSP_ERR_CRC: + stats->rx_crc_err++; + default: + break; + } +} + /* Process an inbound completion from an rx ring. */ static void ql_process_mac_rx_gro_page(struct ql_adapter *qdev, struct rx_ring *rx_ring, @@ -1499,15 +1529,6 @@ static void ql_process_mac_rx_page(struct ql_adapter *qdev, addr = lbq_desc->p.pg_chunk.va; prefetch(addr); - - /* Frame error, so drop the packet. */ - if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) { - netif_info(qdev, drv, qdev->ndev, - "Receive error, flags2 = 0x%x\n", ib_mac_rsp->flags2); - rx_ring->rx_errors++; - goto err_out; - } - /* The max framesize filter on this chip is set higher than * MTU since FCoE uses 2k frames. */ @@ -1593,15 +1614,6 @@ static void ql_process_mac_rx_skb(struct ql_adapter *qdev, memcpy(skb_put(new_skb, length), skb->data, length); skb = new_skb; - /* Frame error, so drop the packet. */ - if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) { - netif_info(qdev, drv, qdev->ndev, - "Receive error, flags2 = 0x%x\n", ib_mac_rsp->flags2); - dev_kfree_skb_any(skb); - rx_ring->rx_errors++; - return; - } - /* loopback self test for ethtool */ if (test_bit(QL_SELFTEST, &qdev->flags)) { ql_check_lb_frame(qdev, skb); @@ -1619,7 +1631,6 @@ static void ql_process_mac_rx_skb(struct ql_adapter *qdev, } prefetch(skb->data); - skb->dev = ndev; if (ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_M_MASK) { netif_printk(qdev, rx_status, KERN_DEBUG, qdev->ndev, "%s Multicast.\n", @@ -1908,15 +1919,6 @@ static void ql_process_mac_split_rx_intr(struct ql_adapter *qdev, return; } - /* Frame error, so drop the packet. */ - if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) { - netif_info(qdev, drv, qdev->ndev, - "Receive error, flags2 = 0x%x\n", ib_mac_rsp->flags2); - dev_kfree_skb_any(skb); - rx_ring->rx_errors++; - return; - } - /* The max framesize filter on this chip is set higher than * MTU since FCoE uses 2k frames. */ @@ -1934,7 +1936,6 @@ static void ql_process_mac_split_rx_intr(struct ql_adapter *qdev, } prefetch(skb->data); - skb->dev = ndev; if (ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_M_MASK) { netif_printk(qdev, rx_status, KERN_DEBUG, qdev->ndev, "%s Multicast.\n", (ib_mac_rsp->flags1 & IB_MAC_IOCB_RSP_M_MASK) == @@ -1999,6 +2000,12 @@ static unsigned long ql_process_mac_rx_intr(struct ql_adapter *qdev, QL_DUMP_IB_MAC_RSP(ib_mac_rsp); + /* Frame error, so drop the packet. */ + if (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_ERR_MASK) { + ql_categorize_rx_err(qdev, ib_mac_rsp->flags2); + return (unsigned long)length; + } + if (ib_mac_rsp->flags4 & IB_MAC_IOCB_RSP_HV) { /* The data and headers are split into * separate buffers. @@ -2173,8 +2180,7 @@ static int ql_clean_outbound_rx_ring(struct rx_ring *rx_ring) ql_write_cq_idx(rx_ring); tx_ring = &qdev->tx_ring[net_rsp->txq_idx]; if (__netif_subqueue_stopped(qdev->ndev, tx_ring->wq_id)) { - if (atomic_read(&tx_ring->queue_stopped) && - (atomic_read(&tx_ring->tx_count) > (tx_ring->wq_len / 4))) + if ((atomic_read(&tx_ring->tx_count) > (tx_ring->wq_len / 4))) /* * The queue got stopped because the tx_ring was full. * Wake it up, because it's now at least 25% empty. @@ -2558,10 +2564,9 @@ static netdev_tx_t qlge_send(struct sk_buff *skb, struct net_device *ndev) if (unlikely(atomic_read(&tx_ring->tx_count) < 2)) { netif_info(qdev, tx_queued, qdev->ndev, - "%s: shutting down tx queue %d du to lack of resources.\n", + "%s: BUG! shutting down tx queue %d due to lack of resources.\n", __func__, tx_ring_idx); netif_stop_subqueue(ndev, tx_ring->wq_id); - atomic_inc(&tx_ring->queue_stopped); tx_ring->tx_errors++; return NETDEV_TX_BUSY; } @@ -2612,6 +2617,16 @@ static netdev_tx_t qlge_send(struct sk_buff *skb, struct net_device *ndev) tx_ring->prod_idx, skb->len); atomic_dec(&tx_ring->tx_count); + + if (unlikely(atomic_read(&tx_ring->tx_count) < 2)) { + netif_stop_subqueue(ndev, tx_ring->wq_id); + if ((atomic_read(&tx_ring->tx_count) > (tx_ring->wq_len / 4))) + /* + * The queue got stopped because the tx_ring was full. + * Wake it up, because it's now at least 25% empty. + */ + netif_wake_subqueue(qdev->ndev, tx_ring->wq_id); + } return NETDEV_TX_OK; } @@ -2680,7 +2695,6 @@ static void ql_init_tx_ring(struct ql_adapter *qdev, struct tx_ring *tx_ring) tx_ring_desc++; } atomic_set(&tx_ring->tx_count, tx_ring->wq_len); - atomic_set(&tx_ring->queue_stopped, 0); } static void ql_free_tx_resources(struct ql_adapter *qdev, @@ -2703,10 +2717,9 @@ static int ql_alloc_tx_resources(struct ql_adapter *qdev, &tx_ring->wq_base_dma); if ((tx_ring->wq_base == NULL) || - tx_ring->wq_base_dma & WQ_ADDR_ALIGN) { - netif_err(qdev, ifup, qdev->ndev, "tx_ring alloc failed.\n"); - return -ENOMEM; - } + tx_ring->wq_base_dma & WQ_ADDR_ALIGN) + goto pci_alloc_err; + tx_ring->q = kmalloc(tx_ring->wq_len * sizeof(struct tx_ring_desc), GFP_KERNEL); if (tx_ring->q == NULL) @@ -2716,6 +2729,9 @@ static int ql_alloc_tx_resources(struct ql_adapter *qdev, err: pci_free_consistent(qdev->pdev, tx_ring->wq_size, tx_ring->wq_base, tx_ring->wq_base_dma); + tx_ring->wq_base = NULL; +pci_alloc_err: + netif_err(qdev, ifup, qdev->ndev, "tx_ring alloc failed.\n"); return -ENOMEM; } diff --git a/drivers/net/ethernet/sfc/mcdi_pcol.h b/drivers/net/ethernet/sfc/mcdi_pcol.h index 0310b9f08c9..db4beed9766 100644 --- a/drivers/net/ethernet/sfc/mcdi_pcol.h +++ b/drivers/net/ethernet/sfc/mcdi_pcol.h @@ -48,8 +48,7 @@ /* Unused commands: 0x23, 0x27, 0x30, 0x31 */ -/** - * MCDI version 1 +/* MCDI version 1 * * Each MCDI request starts with an MCDI_HEADER, which is a 32byte * structure, filled in by the client. diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h index 0e575359af1..a1965c07d1e 100644 --- a/drivers/net/ethernet/sfc/net_driver.h +++ b/drivers/net/ethernet/sfc/net_driver.h @@ -527,7 +527,7 @@ struct efx_phy_operations { }; /** - * @enum efx_phy_mode - PHY operating mode flags + * enum efx_phy_mode - PHY operating mode flags * @PHY_MODE_NORMAL: on and should pass traffic * @PHY_MODE_TX_DISABLED: on with TX disabled * @PHY_MODE_LOW_POWER: set to low power through MDIO diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c index 243e91f3dff..fca61fea38e 100644 --- a/drivers/net/ethernet/sfc/rx.c +++ b/drivers/net/ethernet/sfc/rx.c @@ -336,6 +336,7 @@ static void efx_recycle_rx_buffer(struct efx_channel *channel, /** * efx_fast_push_rx_descriptors - push new RX descriptors quickly * @rx_queue: RX descriptor queue + * * This will aim to fill the RX descriptor queue up to * @rx_queue->@max_fill. If there is insufficient atomic * memory to do so, a slow fill will be scheduled. diff --git a/drivers/net/ethernet/smsc/smc911x.c b/drivers/net/ethernet/smsc/smc911x.c index 8814b2f5d46..8d15f7a74b4 100644 --- a/drivers/net/ethernet/smsc/smc911x.c +++ b/drivers/net/ethernet/smsc/smc911x.c @@ -773,7 +773,7 @@ static int smc911x_phy_fixed(struct net_device *dev) return 1; } -/* +/** * smc911x_phy_reset - reset the phy * @dev: net device * @phy: phy address @@ -819,7 +819,7 @@ static int smc911x_phy_reset(struct net_device *dev, int phy) return reg & PMT_CTRL_PHY_RST_; } -/* +/** * smc911x_phy_powerdown - powerdown phy * @dev: net device * @phy: phy address @@ -837,7 +837,7 @@ static void smc911x_phy_powerdown(struct net_device *dev, int phy) SMC_SET_PHY_BMCR(lp, phy, bmcr); } -/* +/** * smc911x_phy_check_media - check the media status and adjust BMCR * @dev: net device * @init: set true for initialisation diff --git a/drivers/net/ethernet/smsc/smc91x.c b/drivers/net/ethernet/smsc/smc91x.c index fee44935501..318adc935a5 100644 --- a/drivers/net/ethernet/smsc/smc91x.c +++ b/drivers/net/ethernet/smsc/smc91x.c @@ -942,7 +942,7 @@ static int smc_phy_fixed(struct net_device *dev) return 1; } -/* +/** * smc_phy_reset - reset the phy * @dev: net device * @phy: phy address @@ -976,7 +976,7 @@ static int smc_phy_reset(struct net_device *dev, int phy) return bmcr & BMCR_RESET; } -/* +/** * smc_phy_powerdown - powerdown phy * @dev: net device * @@ -1000,7 +1000,7 @@ static void smc_phy_powerdown(struct net_device *dev) smc_phy_write(dev, phy, MII_BMCR, bmcr | BMCR_PDOWN); } -/* +/** * smc_phy_check_media - check the media status and adjust TCR * @dev: net device * @init: set true for initialisation diff --git a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c index fb8377da168..4b785e10f2e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c +++ b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c @@ -51,7 +51,7 @@ static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) desc->des3 = desc->des2 + BUF_SIZE_4KiB; priv->hw->desc->prepare_tx_desc(desc, 1, bmax, csum); - + wmb(); entry = (++priv->cur_tx) % txsize; desc = priv->dma_tx + entry; @@ -59,6 +59,7 @@ static unsigned int stmmac_jumbo_frm(void *p, struct sk_buff *skb, int csum) len, DMA_TO_DEVICE); desc->des3 = desc->des2 + BUF_SIZE_4KiB; priv->hw->desc->prepare_tx_desc(desc, 0, len, csum); + wmb(); priv->hw->desc->set_tx_owner(desc); priv->tx_skbuff[entry] = NULL; } else { diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index ea3bc0963bd..f6b04c1a367 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1334,6 +1334,7 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) priv->hw->desc->prepare_tx_desc(desc, 0, len, csum_insertion); wmb(); priv->hw->desc->set_tx_owner(desc); + wmb(); } /* Interrupt on completition only for the latest segment */ @@ -1349,6 +1350,7 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev) /* To avoid raise condition */ priv->hw->desc->set_tx_owner(first); + wmb(); priv->cur_tx++; @@ -1412,6 +1414,7 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv) } wmb(); priv->hw->desc->set_rx_owner(p + entry); + wmb(); } } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c index cf826e6b6aa..13afb8edfad 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_pci.c @@ -125,7 +125,7 @@ err_out_req_reg_failed: } /** - * stmmac_dvr_remove + * stmmac_pci_remove * * @pdev: platform device pointer * Description: this function calls the main to free the net resources diff --git a/drivers/net/ethernet/sun/sunbmac.c b/drivers/net/ethernet/sun/sunbmac.c index 2a83fc57edb..967fe8cb476 100644 --- a/drivers/net/ethernet/sun/sunbmac.c +++ b/drivers/net/ethernet/sun/sunbmac.c @@ -233,7 +233,6 @@ static void bigmac_init_rings(struct bigmac *bp, int from_irq) continue; bp->rx_skbs[i] = skb; - skb->dev = dev; /* Because we reserve afterwards. */ skb_put(skb, ETH_FRAME_LEN); @@ -838,7 +837,6 @@ static void bigmac_rx(struct bigmac *bp) RX_BUF_ALLOC_SIZE - 34, DMA_FROM_DEVICE); bp->rx_skbs[elem] = new_skb; - new_skb->dev = bp->dev; skb_put(new_skb, ETH_FRAME_LEN); skb_reserve(new_skb, 34); this->rx_addr = diff --git a/drivers/net/ethernet/sun/sungem.c b/drivers/net/ethernet/sun/sungem.c index 3cf4ab75583..9ae12d0c963 100644 --- a/drivers/net/ethernet/sun/sungem.c +++ b/drivers/net/ethernet/sun/sungem.c @@ -752,7 +752,6 @@ static __inline__ struct sk_buff *gem_alloc_skb(struct net_device *dev, int size if (likely(skb)) { unsigned long offset = ALIGNED_RX_SKB_ADDR(skb->data); skb_reserve(skb, offset); - skb->dev = dev; } return skb; } diff --git a/drivers/net/ethernet/sun/sunhme.c b/drivers/net/ethernet/sun/sunhme.c index dfc00c4683e..73f341b8bef 100644 --- a/drivers/net/ethernet/sun/sunhme.c +++ b/drivers/net/ethernet/sun/sunhme.c @@ -1249,7 +1249,6 @@ static void happy_meal_clean_rings(struct happy_meal *hp) static void happy_meal_init_rings(struct happy_meal *hp) { struct hmeal_init_block *hb = hp->happy_block; - struct net_device *dev = hp->dev; int i; HMD(("happy_meal_init_rings: counters to zero, ")); @@ -1270,7 +1269,6 @@ static void happy_meal_init_rings(struct happy_meal *hp) continue; } hp->rx_skbs[i] = skb; - skb->dev = dev; /* Because we reserve afterwards. */ skb_put(skb, (ETH_FRAME_LEN + RX_OFFSET + 4)); @@ -2031,7 +2029,6 @@ static void happy_meal_rx(struct happy_meal *hp, struct net_device *dev) } dma_unmap_single(hp->dma_dev, dma_addr, RX_BUF_ALLOC_SIZE, DMA_FROM_DEVICE); hp->rx_skbs[elem] = new_skb; - new_skb->dev = dev; skb_put(new_skb, (ETH_FRAME_LEN + RX_OFFSET + 4)); hme_write_rxd(hp, this, (RXFLAG_OWN|((RX_BUF_ALLOC_SIZE-RX_OFFSET)<<16)), diff --git a/drivers/net/ethernet/tehuti/tehuti.c b/drivers/net/ethernet/tehuti/tehuti.c index 447a6932cab..6ce9edd95c0 100644 --- a/drivers/net/ethernet/tehuti/tehuti.c +++ b/drivers/net/ethernet/tehuti/tehuti.c @@ -137,14 +137,15 @@ static void print_eth_id(struct net_device *ndev) #define bdx_disable_interrupts(priv) \ do { WRITE_REG(priv, regIMR, 0); } while (0) -/* bdx_fifo_init - * create TX/RX descriptor fifo for host-NIC communication. +/** + * bdx_fifo_init - create TX/RX descriptor fifo for host-NIC communication. + * @priv: NIC private structure + * @f: fifo to initialize + * @fsz_type: fifo size type: 0-4KB, 1-8KB, 2-16KB, 3-32KB + * @reg_XXX: offsets of registers relative to base address + * * 1K extra space is allocated at the end of the fifo to simplify * processing of descriptors that wraps around fifo's end - * @priv - NIC private structure - * @f - fifo to initialize - * @fsz_type - fifo size type: 0-4KB, 1-8KB, 2-16KB, 3-32KB - * @reg_XXX - offsets of registers relative to base address * * Returns 0 on success, negative value on failure * @@ -177,9 +178,10 @@ bdx_fifo_init(struct bdx_priv *priv, struct fifo *f, int fsz_type, RET(0); } -/* bdx_fifo_free - free all resources used by fifo - * @priv - NIC private structure - * @f - fifo to release +/** + * bdx_fifo_free - free all resources used by fifo + * @priv: NIC private structure + * @f: fifo to release */ static void bdx_fifo_free(struct bdx_priv *priv, struct fifo *f) { @@ -192,9 +194,9 @@ static void bdx_fifo_free(struct bdx_priv *priv, struct fifo *f) RET(); } -/* +/** * bdx_link_changed - notifies OS about hw link state. - * @bdx_priv - hw adapter structure + * @priv: hw adapter structure */ static void bdx_link_changed(struct bdx_priv *priv) { @@ -233,10 +235,10 @@ static void bdx_isr_extra(struct bdx_priv *priv, u32 isr) } -/* bdx_isr - Interrupt Service Routine for Bordeaux NIC - * @irq - interrupt number - * @ndev - network device - * @regs - CPU registers +/** + * bdx_isr_napi - Interrupt Service Routine for Bordeaux NIC + * @irq: interrupt number + * @dev: network device * * Return IRQ_NONE if it was not our interrupt, IRQ_HANDLED - otherwise * @@ -307,8 +309,10 @@ static int bdx_poll(struct napi_struct *napi, int budget) return work_done; } -/* bdx_fw_load - loads firmware to NIC - * @priv - NIC private structure +/** + * bdx_fw_load - loads firmware to NIC + * @priv: NIC private structure + * * Firmware is loaded via TXD fifo, so it must be initialized first. * Firware must be loaded once per NIC not per PCI device provided by NIC (NIC * can have few of them). So all drivers use semaphore register to choose one @@ -380,8 +384,9 @@ static void bdx_restore_mac(struct net_device *ndev, struct bdx_priv *priv) RET(); } -/* bdx_hw_start - inits registers and starts HW's Rx and Tx engines - * @priv - NIC private structure +/** + * bdx_hw_start - inits registers and starts HW's Rx and Tx engines + * @priv: NIC private structure */ static int bdx_hw_start(struct bdx_priv *priv) { @@ -691,12 +696,13 @@ static int bdx_ioctl(struct net_device *ndev, struct ifreq *ifr, int cmd) RET(-EOPNOTSUPP); } -/* +/** * __bdx_vlan_rx_vid - private helper for adding/killing VLAN vid - * by passing VLAN filter table to hardware - * @ndev network device - * @vid VLAN vid - * @op add or kill operation + * @ndev: network device + * @vid: VLAN vid + * @op: add or kill operation + * + * Passes VLAN filter table to hardware */ static void __bdx_vlan_rx_vid(struct net_device *ndev, uint16_t vid, int enable) { @@ -722,10 +728,10 @@ static void __bdx_vlan_rx_vid(struct net_device *ndev, uint16_t vid, int enable) RET(); } -/* +/** * bdx_vlan_rx_add_vid - kernel hook for adding VLAN vid to hw filtering table - * @ndev network device - * @vid VLAN vid to add + * @ndev: network device + * @vid: VLAN vid to add */ static int bdx_vlan_rx_add_vid(struct net_device *ndev, uint16_t vid) { @@ -733,10 +739,10 @@ static int bdx_vlan_rx_add_vid(struct net_device *ndev, uint16_t vid) return 0; } -/* +/** * bdx_vlan_rx_kill_vid - kernel hook for killing VLAN vid in hw filtering table - * @ndev network device - * @vid VLAN vid to kill + * @ndev: network device + * @vid: VLAN vid to kill */ static int bdx_vlan_rx_kill_vid(struct net_device *ndev, unsigned short vid) { @@ -974,8 +980,9 @@ static inline void bdx_rxdb_free_elem(struct rxdb *db, int n) * Rx Init * *************************************************************************/ -/* bdx_rx_init - initialize RX all related HW and SW resources - * @priv - NIC private structure +/** + * bdx_rx_init - initialize RX all related HW and SW resources + * @priv: NIC private structure * * Returns 0 on success, negative value on failure * @@ -1016,9 +1023,10 @@ err_mem: return -ENOMEM; } -/* bdx_rx_free_skbs - frees and unmaps all skbs allocated for the fifo - * @priv - NIC private structure - * @f - RXF fifo +/** + * bdx_rx_free_skbs - frees and unmaps all skbs allocated for the fifo + * @priv: NIC private structure + * @f: RXF fifo */ static void bdx_rx_free_skbs(struct bdx_priv *priv, struct rxf_fifo *f) { @@ -1045,8 +1053,10 @@ static void bdx_rx_free_skbs(struct bdx_priv *priv, struct rxf_fifo *f) } } -/* bdx_rx_free - release all Rx resources - * @priv - NIC private structure +/** + * bdx_rx_free - release all Rx resources + * @priv: NIC private structure + * * It assumes that Rx is desabled in HW */ static void bdx_rx_free(struct bdx_priv *priv) @@ -1067,9 +1077,11 @@ static void bdx_rx_free(struct bdx_priv *priv) * Rx Engine * *************************************************************************/ -/* bdx_rx_alloc_skbs - fill rxf fifo with new skbs - * @priv - nic's private structure - * @f - RXF fifo that needs skbs +/** + * bdx_rx_alloc_skbs - fill rxf fifo with new skbs + * @priv: nic's private structure + * @f: RXF fifo that needs skbs + * * It allocates skbs, build rxf descs and push it (rxf descr) into rxf fifo. * skb's virtual and physical addresses are stored in skb db. * To calculate free space, func uses cached values of RPTR and WPTR @@ -1179,13 +1191,15 @@ static void bdx_recycle_skb(struct bdx_priv *priv, struct rxd_desc *rxdd) RET(); } -/* bdx_rx_receive - receives full packets from RXD fifo and pass them to OS +/** + * bdx_rx_receive - receives full packets from RXD fifo and pass them to OS * NOTE: a special treatment is given to non-continuous descriptors * that start near the end, wraps around and continue at the beginning. a second * part is copied right after the first, and then descriptor is interpreted as * normal. fifo has an extra space to allow such operations - * @priv - nic's private structure - * @f - RXF fifo that needs skbs + * @priv: nic's private structure + * @f: RXF fifo that needs skbs + * @budget: maximum number of packets to receive */ /* TBD: replace memcpy func call by explicite inline asm */ @@ -1375,9 +1389,10 @@ static inline int bdx_tx_db_size(struct txdb *db) return db->size - taken; } -/* __bdx_tx_ptr_next - helper function, increment read/write pointer + wrap - * @d - tx data base - * @ptr - read or write pointer +/** + * __bdx_tx_db_ptr_next - helper function, increment read/write pointer + wrap + * @db: tx data base + * @pptr: read or write pointer */ static inline void __bdx_tx_db_ptr_next(struct txdb *db, struct tx_map **pptr) { @@ -1394,8 +1409,9 @@ static inline void __bdx_tx_db_ptr_next(struct txdb *db, struct tx_map **pptr) *pptr = db->start; } -/* bdx_tx_db_inc_rptr - increment read pointer - * @d - tx data base +/** + * bdx_tx_db_inc_rptr - increment read pointer + * @db: tx data base */ static inline void bdx_tx_db_inc_rptr(struct txdb *db) { @@ -1403,8 +1419,9 @@ static inline void bdx_tx_db_inc_rptr(struct txdb *db) __bdx_tx_db_ptr_next(db, &db->rptr); } -/* bdx_tx_db_inc_rptr - increment write pointer - * @d - tx data base +/** + * bdx_tx_db_inc_wptr - increment write pointer + * @db: tx data base */ static inline void bdx_tx_db_inc_wptr(struct txdb *db) { @@ -1413,9 +1430,11 @@ static inline void bdx_tx_db_inc_wptr(struct txdb *db) a result of write */ } -/* bdx_tx_db_init - creates and initializes tx db - * @d - tx data base - * @sz_type - size of tx fifo +/** + * bdx_tx_db_init - creates and initializes tx db + * @d: tx data base + * @sz_type: size of tx fifo + * * Returns 0 on success, error code otherwise */ static int bdx_tx_db_init(struct txdb *d, int sz_type) @@ -1441,8 +1460,9 @@ static int bdx_tx_db_init(struct txdb *d, int sz_type) return 0; } -/* bdx_tx_db_close - closes tx db and frees all memory - * @d - tx data base +/** + * bdx_tx_db_close - closes tx db and frees all memory + * @d: tx data base */ static void bdx_tx_db_close(struct txdb *d) { @@ -1463,9 +1483,11 @@ static struct { u16 qwords; /* qword = 64 bit */ } txd_sizes[MAX_SKB_FRAGS + 1]; -/* txdb_map_skb - creates and stores dma mappings for skb's data blocks - * @priv - NIC private structure - * @skb - socket buffer to map +/** + * bdx_tx_map_skb - creates and stores dma mappings for skb's data blocks + * @priv: NIC private structure + * @skb: socket buffer to map + * @txdd: TX descriptor to use * * It makes dma mappings for skb's data blocks and writes them to PBL of * new tx descriptor. It also stores them in the tx db, so they could be @@ -1562,9 +1584,10 @@ err_mem: return -ENOMEM; } -/* +/** * bdx_tx_space - calculates available space in TX fifo - * @priv - NIC private structure + * @priv: NIC private structure + * * Returns available space in TX fifo in bytes */ static inline int bdx_tx_space(struct bdx_priv *priv) @@ -1579,9 +1602,10 @@ static inline int bdx_tx_space(struct bdx_priv *priv) return fsize; } -/* bdx_tx_transmit - send packet to NIC - * @skb - packet to send - * ndev - network device assigned to NIC +/** + * bdx_tx_transmit - send packet to NIC + * @skb: packet to send + * @ndev: network device assigned to NIC * Return codes: * o NETDEV_TX_OK everything ok. * o NETDEV_TX_BUSY Cannot transmit packet, try later @@ -1699,8 +1723,10 @@ static netdev_tx_t bdx_tx_transmit(struct sk_buff *skb, return NETDEV_TX_OK; } -/* bdx_tx_cleanup - clean TXF fifo, run in the context of IRQ. - * @priv - bdx adapter +/** + * bdx_tx_cleanup - clean TXF fifo, run in the context of IRQ. + * @priv: bdx adapter + * * It scans TXF fifo for descriptors, frees DMA mappings and reports to OS * that those packets were sent */ @@ -1761,7 +1787,8 @@ static void bdx_tx_cleanup(struct bdx_priv *priv) spin_unlock(&priv->tx_lock); } -/* bdx_tx_free_skbs - frees all skbs from TXD fifo. +/** + * bdx_tx_free_skbs - frees all skbs from TXD fifo. * It gets called when OS stops this dev, eg upon "ifconfig down" or rmmod */ static void bdx_tx_free_skbs(struct bdx_priv *priv) @@ -1790,10 +1817,11 @@ static void bdx_tx_free(struct bdx_priv *priv) bdx_tx_db_close(&priv->txdb); } -/* bdx_tx_push_desc - push descriptor to TxD fifo - * @priv - NIC private structure - * @data - desc's data - * @size - desc's size +/** + * bdx_tx_push_desc - push descriptor to TxD fifo + * @priv: NIC private structure + * @data: desc's data + * @size: desc's size * * Pushes desc to TxD fifo and overlaps it if needed. * NOTE: this func does not check for available space. this is responsibility @@ -1819,10 +1847,11 @@ static void bdx_tx_push_desc(struct bdx_priv *priv, void *data, int size) WRITE_REG(priv, f->m.reg_WPTR, f->m.wptr & TXF_WPTR_WR_PTR); } -/* bdx_tx_push_desc_safe - push descriptor to TxD fifo in a safe way - * @priv - NIC private structure - * @data - desc's data - * @size - desc's size +/** + * bdx_tx_push_desc_safe - push descriptor to TxD fifo in a safe way + * @priv: NIC private structure + * @data: desc's data + * @size: desc's size * * NOTE: this func does check for available space and, if necessary, waits for * NIC to read existing data before writing new one. diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c index 4da93a5d7ec..ab0bbb78699 100644 --- a/drivers/net/ethernet/ti/davinci_emac.c +++ b/drivers/net/ethernet/ti/davinci_emac.c @@ -375,7 +375,7 @@ static char *emac_rxhost_errcodes[16] = { #define emac_ctrl_write(reg, val) iowrite32(val, (priv->ctrl_base + (reg))) /** - * emac_dump_regs: Dump important EMAC registers to debug terminal + * emac_dump_regs - Dump important EMAC registers to debug terminal * @priv: The DaVinci EMAC private adapter structure * * Executes ethtool set cmd & sets phy mode @@ -466,7 +466,7 @@ static void emac_dump_regs(struct emac_priv *priv) } /** - * emac_get_drvinfo: Get EMAC driver information + * emac_get_drvinfo - Get EMAC driver information * @ndev: The DaVinci EMAC network adapter * @info: ethtool info structure containing name and version * @@ -481,7 +481,7 @@ static void emac_get_drvinfo(struct net_device *ndev, } /** - * emac_get_settings: Get EMAC settings + * emac_get_settings - Get EMAC settings * @ndev: The DaVinci EMAC network adapter * @ecmd: ethtool command * @@ -500,7 +500,7 @@ static int emac_get_settings(struct net_device *ndev, } /** - * emac_set_settings: Set EMAC settings + * emac_set_settings - Set EMAC settings * @ndev: The DaVinci EMAC network adapter * @ecmd: ethtool command * @@ -518,7 +518,7 @@ static int emac_set_settings(struct net_device *ndev, struct ethtool_cmd *ecmd) } /** - * emac_get_coalesce : Get interrupt coalesce settings for this device + * emac_get_coalesce - Get interrupt coalesce settings for this device * @ndev : The DaVinci EMAC network adapter * @coal : ethtool coalesce settings structure * @@ -536,7 +536,7 @@ static int emac_get_coalesce(struct net_device *ndev, } /** - * emac_set_coalesce : Set interrupt coalesce settings for this device + * emac_set_coalesce - Set interrupt coalesce settings for this device * @ndev : The DaVinci EMAC network adapter * @coal : ethtool coalesce settings structure * @@ -614,11 +614,9 @@ static int emac_set_coalesce(struct net_device *ndev, } -/** - * ethtool_ops: DaVinci EMAC Ethtool structure +/* ethtool_ops: DaVinci EMAC Ethtool structure * * Ethtool support for EMAC adapter - * */ static const struct ethtool_ops ethtool_ops = { .get_drvinfo = emac_get_drvinfo, @@ -631,7 +629,7 @@ static const struct ethtool_ops ethtool_ops = { }; /** - * emac_update_phystatus: Update Phy status + * emac_update_phystatus - Update Phy status * @priv: The DaVinci EMAC private adapter structure * * Updates phy status and takes action for network queue if required @@ -697,7 +695,7 @@ static void emac_update_phystatus(struct emac_priv *priv) } /** - * hash_get: Calculate hash value from mac address + * hash_get - Calculate hash value from mac address * @addr: mac address to delete from hash table * * Calculates hash value from mac address @@ -723,9 +721,9 @@ static u32 hash_get(u8 *addr) } /** - * hash_add: Hash function to add mac addr from hash table + * hash_add - Hash function to add mac addr from hash table * @priv: The DaVinci EMAC private adapter structure - * mac_addr: mac address to delete from hash table + * @mac_addr: mac address to delete from hash table * * Adds mac address to the internal hash table * @@ -765,9 +763,9 @@ static int hash_add(struct emac_priv *priv, u8 *mac_addr) } /** - * hash_del: Hash function to delete mac addr from hash table + * hash_del - Hash function to delete mac addr from hash table * @priv: The DaVinci EMAC private adapter structure - * mac_addr: mac address to delete from hash table + * @mac_addr: mac address to delete from hash table * * Removes mac address from the internal hash table * @@ -807,7 +805,7 @@ static int hash_del(struct emac_priv *priv, u8 *mac_addr) #define EMAC_ALL_MULTI_CLR 3 /** - * emac_add_mcast: Set multicast address in the EMAC adapter (Internal) + * emac_add_mcast - Set multicast address in the EMAC adapter (Internal) * @priv: The DaVinci EMAC private adapter structure * @action: multicast operation to perform * mac_addr: mac address to set @@ -855,7 +853,7 @@ static void emac_add_mcast(struct emac_priv *priv, u32 action, u8 *mac_addr) } /** - * emac_dev_mcast_set: Set multicast address in the EMAC adapter + * emac_dev_mcast_set - Set multicast address in the EMAC adapter * @ndev: The DaVinci EMAC network adapter * * Set multicast addresses in EMAC adapter @@ -901,7 +899,7 @@ static void emac_dev_mcast_set(struct net_device *ndev) *************************************************************************/ /** - * emac_int_disable: Disable EMAC module interrupt (from adapter) + * emac_int_disable - Disable EMAC module interrupt (from adapter) * @priv: The DaVinci EMAC private adapter structure * * Disable EMAC interrupt on the adapter @@ -931,7 +929,7 @@ static void emac_int_disable(struct emac_priv *priv) } /** - * emac_int_enable: Enable EMAC module interrupt (from adapter) + * emac_int_enable - Enable EMAC module interrupt (from adapter) * @priv: The DaVinci EMAC private adapter structure * * Enable EMAC interrupt on the adapter @@ -967,7 +965,7 @@ static void emac_int_enable(struct emac_priv *priv) } /** - * emac_irq: EMAC interrupt handler + * emac_irq - EMAC interrupt handler * @irq: interrupt number * @dev_id: EMAC network adapter data structure ptr * @@ -1060,7 +1058,7 @@ static void emac_tx_handler(void *token, int len, int status) } /** - * emac_dev_xmit: EMAC Transmit function + * emac_dev_xmit - EMAC Transmit function * @skb: SKB pointer * @ndev: The DaVinci EMAC network adapter * @@ -1111,7 +1109,7 @@ fail_tx: } /** - * emac_dev_tx_timeout: EMAC Transmit timeout function + * emac_dev_tx_timeout - EMAC Transmit timeout function * @ndev: The DaVinci EMAC network adapter * * Called when system detects that a skb timeout period has expired @@ -1138,7 +1136,7 @@ static void emac_dev_tx_timeout(struct net_device *ndev) } /** - * emac_set_type0addr: Set EMAC Type0 mac address + * emac_set_type0addr - Set EMAC Type0 mac address * @priv: The DaVinci EMAC private adapter structure * @ch: RX channel number * @mac_addr: MAC address to set in device @@ -1165,7 +1163,7 @@ static void emac_set_type0addr(struct emac_priv *priv, u32 ch, char *mac_addr) } /** - * emac_set_type1addr: Set EMAC Type1 mac address + * emac_set_type1addr - Set EMAC Type1 mac address * @priv: The DaVinci EMAC private adapter structure * @ch: RX channel number * @mac_addr: MAC address to set in device @@ -1187,7 +1185,7 @@ static void emac_set_type1addr(struct emac_priv *priv, u32 ch, char *mac_addr) } /** - * emac_set_type2addr: Set EMAC Type2 mac address + * emac_set_type2addr - Set EMAC Type2 mac address * @priv: The DaVinci EMAC private adapter structure * @ch: RX channel number * @mac_addr: MAC address to set in device @@ -1213,7 +1211,7 @@ static void emac_set_type2addr(struct emac_priv *priv, u32 ch, } /** - * emac_setmac: Set mac address in the adapter (internal function) + * emac_setmac - Set mac address in the adapter (internal function) * @priv: The DaVinci EMAC private adapter structure * @ch: RX channel number * @mac_addr: MAC address to set in device @@ -1242,7 +1240,7 @@ static void emac_setmac(struct emac_priv *priv, u32 ch, char *mac_addr) } /** - * emac_dev_setmac_addr: Set mac address in the adapter + * emac_dev_setmac_addr - Set mac address in the adapter * @ndev: The DaVinci EMAC network adapter * @addr: MAC address to set in device * @@ -1277,7 +1275,7 @@ static int emac_dev_setmac_addr(struct net_device *ndev, void *addr) } /** - * emac_hw_enable: Enable EMAC hardware for packet transmission/reception + * emac_hw_enable - Enable EMAC hardware for packet transmission/reception * @priv: The DaVinci EMAC private adapter structure * * Enables EMAC hardware for packet processing - enables PHY, enables RX @@ -1347,7 +1345,7 @@ static int emac_hw_enable(struct emac_priv *priv) } /** - * emac_poll: EMAC NAPI Poll function + * emac_poll - EMAC NAPI Poll function * @ndev: The DaVinci EMAC network adapter * @budget: Number of receive packets to process (as told by NAPI layer) * @@ -1430,7 +1428,7 @@ static int emac_poll(struct napi_struct *napi, int budget) #ifdef CONFIG_NET_POLL_CONTROLLER /** - * emac_poll_controller: EMAC Poll controller function + * emac_poll_controller - EMAC Poll controller function * @ndev: The DaVinci EMAC network adapter * * Polled functionality used by netconsole and others in non interrupt mode @@ -1489,7 +1487,7 @@ static void emac_adjust_link(struct net_device *ndev) *************************************************************************/ /** - * emac_devioctl: EMAC adapter ioctl + * emac_devioctl - EMAC adapter ioctl * @ndev: The DaVinci EMAC network adapter * @ifrq: request parameter * @cmd: command parameter @@ -1516,7 +1514,7 @@ static int match_first_device(struct device *dev, void *data) } /** - * emac_dev_open: EMAC device open + * emac_dev_open - EMAC device open * @ndev: The DaVinci EMAC network adapter * * Called when system wants to start the interface. We init TX/RX channels @@ -1649,7 +1647,7 @@ rollback: } /** - * emac_dev_stop: EMAC device stop + * emac_dev_stop - EMAC device stop * @ndev: The DaVinci EMAC network adapter * * Called when system wants to stop or down the interface. We stop the network @@ -1691,7 +1689,7 @@ static int emac_dev_stop(struct net_device *ndev) } /** - * emac_dev_getnetstats: EMAC get statistics function + * emac_dev_getnetstats - EMAC get statistics function * @ndev: The DaVinci EMAC network adapter * * Called when system wants to get statistics from the device. @@ -1763,7 +1761,7 @@ static const struct net_device_ops emac_netdev_ops = { }; /** - * davinci_emac_probe: EMAC device probe + * davinci_emac_probe - EMAC device probe * @pdev: The DaVinci EMAC device that we are removing * * Called when probing for emac devicesr. We get details of instances and @@ -1949,7 +1947,7 @@ free_clk: } /** - * davinci_emac_remove: EMAC device remove + * davinci_emac_remove - EMAC device remove * @pdev: The DaVinci EMAC device that we are removing * * Called when removing the device driver. We disable clock usage and release @@ -2015,9 +2013,7 @@ static const struct dev_pm_ops davinci_emac_pm_ops = { .resume = davinci_emac_resume, }; -/** - * davinci_emac_driver: EMAC platform driver structure - */ +/* davinci_emac_driver: EMAC platform driver structure */ static struct platform_driver davinci_emac_driver = { .driver = { .name = "davinci_emac", @@ -2029,7 +2025,7 @@ static struct platform_driver davinci_emac_driver = { }; /** - * davinci_emac_init: EMAC driver module init + * davinci_emac_init - EMAC driver module init * * Called when initializing the driver. We register the driver with * the platform. @@ -2041,7 +2037,7 @@ static int __init davinci_emac_init(void) late_initcall(davinci_emac_init); /** - * davinci_emac_exit: EMAC driver module exit + * davinci_emac_exit - EMAC driver module exit * * Called when exiting the driver completely. We unregister the driver with * the platform and exit diff --git a/drivers/net/ethernet/toshiba/spider_net.c b/drivers/net/ethernet/toshiba/spider_net.c index 6199f6b387b..c1ebfe9efcb 100644 --- a/drivers/net/ethernet/toshiba/spider_net.c +++ b/drivers/net/ethernet/toshiba/spider_net.c @@ -114,7 +114,8 @@ spider_net_write_reg(struct spider_net_card *card, u32 reg, u32 value) out_be32(card->regs + reg, value); } -/** spider_net_write_phy - write to phy register +/** + * spider_net_write_phy - write to phy register * @netdev: adapter to be written to * @mii_id: id of MII * @reg: PHY register @@ -137,7 +138,8 @@ spider_net_write_phy(struct net_device *netdev, int mii_id, spider_net_write_reg(card, SPIDER_NET_GPCWOPCMD, writevalue); } -/** spider_net_read_phy - read from phy register +/** + * spider_net_read_phy - read from phy register * @netdev: network device to be read from * @mii_id: id of MII * @reg: PHY register diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c index 1eaf7128afe..f8e35188011 100644 --- a/drivers/net/ethernet/xilinx/ll_temac_main.c +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c @@ -197,7 +197,7 @@ static int temac_dcr_setup(struct temac_local *lp, struct platform_device *op, #endif /** - * * temac_dma_bd_release - Release buffer descriptor rings + * temac_dma_bd_release - Release buffer descriptor rings */ static void temac_dma_bd_release(struct net_device *ndev) { @@ -768,7 +768,6 @@ static void ll_temac_recv(struct net_device *ndev) DMA_FROM_DEVICE); skb_put(skb, length); - skb->dev = ndev; skb->protocol = eth_type_trans(skb, ndev); skb_checksum_none_assert(skb); diff --git a/drivers/net/phy/mdio-mux.c b/drivers/net/phy/mdio-mux.c index 39ea0674dcd..5c120189ec8 100644 --- a/drivers/net/phy/mdio-mux.c +++ b/drivers/net/phy/mdio-mux.c @@ -46,7 +46,13 @@ static int mdio_mux_read(struct mii_bus *bus, int phy_id, int regnum) struct mdio_mux_parent_bus *pb = cb->parent; int r; - mutex_lock(&pb->mii_bus->mdio_lock); + /* In theory multiple mdio_mux could be stacked, thus creating + * more than a single level of nesting. But in practice, + * SINGLE_DEPTH_NESTING will cover the vast majority of use + * cases. We use it, instead of trying to handle the general + * case. + */ + mutex_lock_nested(&pb->mii_bus->mdio_lock, SINGLE_DEPTH_NESTING); r = pb->switch_fn(pb->current_child, cb->bus_number, pb->switch_data); if (r) goto out; @@ -71,7 +77,7 @@ static int mdio_mux_write(struct mii_bus *bus, int phy_id, int r; - mutex_lock(&pb->mii_bus->mdio_lock); + mutex_lock_nested(&pb->mii_bus->mdio_lock, SINGLE_DEPTH_NESTING); r = pb->switch_fn(pb->current_child, cb->bus_number, pb->switch_data); if (r) goto out; diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index b9cc5f703d7..85c983d5252 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -374,6 +374,15 @@ static const struct driver_info qmi_wwan_force_int1 = { .data = BIT(1), /* interface whitelist bitmap */ }; +static const struct driver_info qmi_wwan_force_int2 = { + .description = "Qualcomm WWAN/QMI device", + .flags = FLAG_WWAN, + .bind = qmi_wwan_bind_shared, + .unbind = qmi_wwan_unbind, + .manage_power = qmi_wwan_manage_power, + .data = BIT(2), /* interface whitelist bitmap */ +}; + static const struct driver_info qmi_wwan_force_int3 = { .description = "Qualcomm WWAN/QMI device", .flags = FLAG_WWAN, @@ -526,6 +535,15 @@ static const struct usb_device_id products[] = { .bInterfaceProtocol = 0xff, .driver_info = (unsigned long)&qmi_wwan_force_int4, }, + { /* ZTE MF60 */ + .match_flags = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = 0x19d2, + .idProduct = 0x1402, + .bInterfaceClass = 0xff, + .bInterfaceSubClass = 0xff, + .bInterfaceProtocol = 0xff, + .driver_info = (unsigned long)&qmi_wwan_force_int2, + }, { /* Sierra Wireless MC77xx in QMI mode */ .match_flags = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO, .idVendor = 0x1199, diff --git a/drivers/net/wireless/b43legacy/dma.c b/drivers/net/wireless/b43legacy/dma.c index ff50cb4290e..2d3c6644f82 100644 --- a/drivers/net/wireless/b43legacy/dma.c +++ b/drivers/net/wireless/b43legacy/dma.c @@ -1072,7 +1072,7 @@ static int dma_tx_fragment(struct b43legacy_dmaring *ring, meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1); /* create a bounce buffer in zone_dma on mapping failure. */ if (b43legacy_dma_mapping_error(ring, meta->dmaaddr, skb->len, 1)) { - bounce_skb = __dev_alloc_skb(skb->len, GFP_ATOMIC | GFP_DMA); + bounce_skb = alloc_skb(skb->len, GFP_ATOMIC | GFP_DMA); if (!bounce_skb) { ring->current_slot = old_top_slot; ring->used_slots = old_used_slots; diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c index d24eaf89ffb..34f61a0581a 100644 --- a/drivers/net/wireless/iwlegacy/4965-mac.c +++ b/drivers/net/wireless/iwlegacy/4965-mac.c @@ -3405,7 +3405,7 @@ il4965_remove_dynamic_key(struct il_priv *il, return 0; } - if (il->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET) { + if (il->stations[sta_id].sta.key.key_flags & STA_KEY_FLG_INVALID) { IL_WARN("Removing wrong key %d 0x%x\n", keyconf->keyidx, key_flags); spin_unlock_irqrestore(&il->sta_lock, flags); @@ -3420,7 +3420,7 @@ il4965_remove_dynamic_key(struct il_priv *il, memset(&il->stations[sta_id].sta.key, 0, sizeof(struct il4965_keyinfo)); il->stations[sta_id].sta.key.key_flags = STA_KEY_FLG_NO_ENC | STA_KEY_FLG_INVALID; - il->stations[sta_id].sta.key.key_offset = WEP_INVALID_OFFSET; + il->stations[sta_id].sta.key.key_offset = keyconf->hw_key_idx; il->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK; il->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK; diff --git a/drivers/net/wireless/iwlegacy/common.c b/drivers/net/wireless/iwlegacy/common.c index 763c7529921..0f8a7703eea 100644 --- a/drivers/net/wireless/iwlegacy/common.c +++ b/drivers/net/wireless/iwlegacy/common.c @@ -4768,14 +4768,12 @@ il_bg_watchdog(unsigned long data) return; /* monitor and check for other stuck queues */ - if (il_is_any_associated(il)) { - for (cnt = 0; cnt < il->hw_params.max_txq_num; cnt++) { - /* skip as we already checked the command queue */ - if (cnt == il->cmd_queue) - continue; - if (il_check_stuck_queue(il, cnt)) - return; - } + for (cnt = 0; cnt < il->hw_params.max_txq_num; cnt++) { + /* skip as we already checked the command queue */ + if (cnt == il->cmd_queue) + continue; + if (il_check_stuck_queue(il, cnt)) + return; } mod_timer(&il->watchdog, diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index 4b2733af1a0..3af88b8cfcb 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -976,6 +976,7 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, case NL80211_HIDDEN_SSID_ZERO_CONTENTS: /* firmware doesn't support this type of hidden SSID */ default: + kfree(bss_cfg); return -EINVAL; } diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c index d357d1ed92f..74ecc33fdd9 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.c +++ b/drivers/net/wireless/rt2x00/rt2x00usb.c @@ -436,8 +436,8 @@ void rt2x00usb_kick_queue(struct data_queue *queue) case QID_RX: if (!rt2x00queue_full(queue)) rt2x00queue_for_each_entry(queue, - Q_INDEX_DONE, Q_INDEX, + Q_INDEX_DONE, NULL, rt2x00usb_kick_rx_entry); break; diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h index 3d406e0ede6..98a27cccedf 100644 --- a/include/linux/etherdevice.h +++ b/include/linux/etherdevice.h @@ -138,6 +138,17 @@ static inline void random_ether_addr(u8 *addr) } /** + * eth_broadcast_addr - Assign broadcast address + * @addr: Pointer to a six-byte array containing the Ethernet address + * + * Assign the broadcast address to the given address array. + */ +static inline void eth_broadcast_addr(u8 *addr) +{ + memset(addr, 0xff, ETH_ALEN); +} + +/** * eth_hw_addr_random - Generate software assigned random Ethernet and * set device flag * @dev: pointer to net_device structure diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index ea60b085410..db71c4ad862 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -619,8 +619,7 @@ extern void rtnl_notify(struct sk_buff *skb, struct net *net, u32 pid, extern void rtnl_set_sk_err(struct net *net, u32 group, int error); extern int rtnetlink_put_metrics(struct sk_buff *skb, u32 *metrics); extern int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst, - u32 id, u32 ts, u32 tsage, long expires, - u32 error); + u32 id, long expires, u32 error); extern void rtmsg_ifinfo(int type, struct net_device *dev, unsigned change); diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 7d3bcedc062..2de9cf46f9f 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h @@ -506,7 +506,6 @@ struct tcp_timewait_sock { u32 tw_rcv_wnd; u32 tw_ts_recent; long tw_ts_recent_stamp; - struct inet_peer *tw_peer; #ifdef CONFIG_TCP_MD5SIG struct tcp_md5sig_key *tw_md5_key; #endif diff --git a/include/net/dst.h b/include/net/dst.h index b2634e44661..51610468c63 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -209,12 +209,6 @@ static inline unsigned long dst_metric_rtt(const struct dst_entry *dst, int metr return msecs_to_jiffies(dst_metric(dst, metric)); } -static inline void set_dst_metric_rtt(struct dst_entry *dst, int metric, - unsigned long rtt) -{ - dst_metric_set(dst, metric, jiffies_to_msecs(rtt)); -} - static inline u32 dst_allfrag(const struct dst_entry *dst) { diff --git a/include/net/flow.h b/include/net/flow.h index bd524f59856..ce9cb7656b4 100644 --- a/include/net/flow.h +++ b/include/net/flow.h @@ -20,9 +20,8 @@ struct flowi_common { __u8 flowic_proto; __u8 flowic_flags; #define FLOWI_FLAG_ANYSRC 0x01 -#define FLOWI_FLAG_PRECOW_METRICS 0x02 -#define FLOWI_FLAG_CAN_SLEEP 0x04 -#define FLOWI_FLAG_RT_NOCACHE 0x08 +#define FLOWI_FLAG_CAN_SLEEP 0x02 +#define FLOWI_FLAG_RT_NOCACHE 0x04 __u32 flowic_secid; }; diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index af3c743a40e..291e7cee14e 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -43,7 +43,6 @@ struct inet_connection_sock_af_ops { struct sock *(*syn_recv_sock)(struct sock *sk, struct sk_buff *skb, struct request_sock *req, struct dst_entry *dst); - struct inet_peer *(*get_peer)(struct sock *sk); u16 net_header_len; u16 net_frag_header_len; u16 sockaddr_len; diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h index ae17e1352d7..924d7b98ab6 100644 --- a/include/net/inet_sock.h +++ b/include/net/inet_sock.h @@ -245,8 +245,6 @@ static inline __u8 inet_sk_flowi_flags(const struct sock *sk) if (inet_sk(sk)->transparent || inet_sk(sk)->hdrincl) flags |= FLOWI_FLAG_ANYSRC; - if (sk->sk_protocol == IPPROTO_TCP) - flags |= FLOWI_FLAG_PRECOW_METRICS; return flags; } diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h index c27c8f10ebd..53f464d7cdd 100644 --- a/include/net/inetpeer.h +++ b/include/net/inetpeer.h @@ -36,25 +36,19 @@ struct inet_peer { u32 metrics[RTAX_MAX]; u32 rate_tokens; /* rate limiting for ICMP */ unsigned long rate_last; - unsigned long pmtu_expires; - u32 pmtu_orig; - u32 pmtu_learned; - struct inetpeer_addr_base redirect_learned; union { struct list_head gc_list; struct rcu_head gc_rcu; }; /* * Once inet_peer is queued for deletion (refcnt == -1), following fields - * are not available: rid, ip_id_count, tcp_ts, tcp_ts_stamp + * are not available: rid, ip_id_count * We can share memory with rcu_head to help keep inet_peer small. */ union { struct { atomic_t rid; /* Frag reception counter */ atomic_t ip_id_count; /* IP ID for the next packet */ - __u32 tcp_ts; - __u32 tcp_ts_stamp; }; struct rcu_head rcu; struct inet_peer *gc_next; diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index 539c6721f81..000c4674e18 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -230,6 +230,7 @@ static inline int fib_lookup(struct net *net, struct flowi4 *flp, struct fib_result *res) { if (!net->ipv4.fib_has_custom_rules) { + res->r = NULL; if (net->ipv4.fib_local && !fib_table_lookup(net->ipv4.fib_local, flp, res, FIB_LOOKUP_NOREF)) diff --git a/include/net/ipv6.h b/include/net/ipv6.h index aecf88436ab..d4261d4d6c4 100644 --- a/include/net/ipv6.h +++ b/include/net/ipv6.h @@ -298,14 +298,23 @@ static inline int ipv6_addr_cmp(const struct in6_addr *a1, const struct in6_addr return memcmp(a1, a2, sizeof(struct in6_addr)); } -static inline int +static inline bool ipv6_masked_addr_cmp(const struct in6_addr *a1, const struct in6_addr *m, const struct in6_addr *a2) { +#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64 + const unsigned long *ul1 = (const unsigned long *)a1; + const unsigned long *ulm = (const unsigned long *)m; + const unsigned long *ul2 = (const unsigned long *)a2; + + return !!(((ul1[0] ^ ul2[0]) & ulm[0]) | + ((ul1[1] ^ ul2[1]) & ulm[1])); +#else return !!(((a1->s6_addr32[0] ^ a2->s6_addr32[0]) & m->s6_addr32[0]) | ((a1->s6_addr32[1] ^ a2->s6_addr32[1]) & m->s6_addr32[1]) | ((a1->s6_addr32[2] ^ a2->s6_addr32[2]) & m->s6_addr32[2]) | ((a1->s6_addr32[3] ^ a2->s6_addr32[3]) & m->s6_addr32[3])); +#endif } static inline void ipv6_addr_prefix(struct in6_addr *pfx, @@ -335,10 +344,17 @@ static inline void ipv6_addr_set(struct in6_addr *addr, static inline bool ipv6_addr_equal(const struct in6_addr *a1, const struct in6_addr *a2) { +#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64 + const unsigned long *ul1 = (const unsigned long *)a1; + const unsigned long *ul2 = (const unsigned long *)a2; + + return ((ul1[0] ^ ul2[0]) | (ul1[1] ^ ul2[1])) == 0UL; +#else return ((a1->s6_addr32[0] ^ a2->s6_addr32[0]) | (a1->s6_addr32[1] ^ a2->s6_addr32[1]) | (a1->s6_addr32[2] ^ a2->s6_addr32[2]) | (a1->s6_addr32[3] ^ a2->s6_addr32[3])) == 0; +#endif } static inline bool __ipv6_prefix_equal(const __be32 *a1, const __be32 *a2, @@ -391,8 +407,14 @@ bool ip6_frag_match(struct inet_frag_queue *q, void *a); static inline bool ipv6_addr_any(const struct in6_addr *a) { +#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64 + const unsigned long *ul = (const unsigned long *)a; + + return (ul[0] | ul[1]) == 0UL; +#else return (a->s6_addr32[0] | a->s6_addr32[1] | a->s6_addr32[2] | a->s6_addr32[3]) == 0; +#endif } static inline bool ipv6_addr_loopback(const struct in6_addr *a) diff --git a/include/net/netfilter/nf_conntrack_ecache.h b/include/net/netfilter/nf_conntrack_ecache.h index a88fb693938..e1ce1048fe5 100644 --- a/include/net/netfilter/nf_conntrack_ecache.h +++ b/include/net/netfilter/nf_conntrack_ecache.h @@ -78,7 +78,7 @@ nf_conntrack_event_cache(enum ip_conntrack_events event, struct nf_conn *ct) struct net *net = nf_ct_net(ct); struct nf_conntrack_ecache *e; - if (net->ct.nf_conntrack_event_cb == NULL) + if (!rcu_access_pointer(net->ct.nf_conntrack_event_cb)) return; e = nf_ct_ecache_find(ct); diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h index 599e48fa97c..2e089a99d60 100644 --- a/include/net/netns/ipv4.h +++ b/include/net/netns/ipv4.h @@ -7,6 +7,7 @@ #include <net/inet_frag.h> +struct tcpm_hash_bucket; struct ctl_table_header; struct ipv4_devconf; struct fib_rules_ops; @@ -39,6 +40,8 @@ struct netns_ipv4 { struct sock **icmp_sk; struct sock *tcp_sock; struct inet_peer_base *peers; + struct tcpm_hash_bucket *tcp_metrics_hash; + unsigned int tcp_metrics_hash_mask; struct netns_frags frags; #ifdef CONFIG_NETFILTER struct xt_table *iptable_filter; diff --git a/include/net/route.h b/include/net/route.h index 211e2665139..52362368af0 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -40,7 +40,6 @@ #define RT_CONN_FLAGS(sk) (RT_TOS(inet_sk(sk)->tos) | sock_flag(sk, SOCK_LOCALROUTE)) struct fib_nh; -struct inet_peer; struct fib_info; struct rtable { struct dst_entry dst; @@ -65,45 +64,10 @@ struct rtable { __be32 rt_gateway; /* Miscellaneous cached information */ - u32 rt_peer_genid; - unsigned long _peer; /* long-living peer info */ + u32 rt_pmtu; struct fib_info *fi; /* for client ref to shared metrics */ }; -static inline struct inet_peer *rt_peer_ptr(struct rtable *rt) -{ - return inetpeer_ptr(rt->_peer); -} - -static inline bool rt_has_peer(struct rtable *rt) -{ - return inetpeer_ptr_is_peer(rt->_peer); -} - -static inline void __rt_set_peer(struct rtable *rt, struct inet_peer *peer) -{ - __inetpeer_ptr_set_peer(&rt->_peer, peer); -} - -static inline bool rt_set_peer(struct rtable *rt, struct inet_peer *peer) -{ - return inetpeer_ptr_set_peer(&rt->_peer, peer); -} - -static inline void rt_init_peer(struct rtable *rt, struct inet_peer_base *base) -{ - inetpeer_init_ptr(&rt->_peer, base); -} - -static inline void rt_transfer_peer(struct rtable *rt, struct rtable *ort) -{ - rt->_peer = ort->_peer; - if (rt_has_peer(ort)) { - struct inet_peer *peer = rt_peer_ptr(ort); - atomic_inc(&peer->refcnt); - } -} - static inline bool rt_is_input_route(const struct rtable *rt) { return rt->rt_route_iif != 0; @@ -278,8 +242,6 @@ static inline void ip_route_connect_init(struct flowi4 *fl4, __be32 dst, __be32 if (inet_sk(sk)->transparent) flow_flags |= FLOWI_FLAG_ANYSRC; - if (protocol == IPPROTO_TCP) - flow_flags |= FLOWI_FLAG_PRECOW_METRICS; if (can_sleep) flow_flags |= FLOWI_FLAG_CAN_SLEEP; @@ -328,27 +290,6 @@ static inline struct rtable *ip_route_newports(struct flowi4 *fl4, struct rtable return rt; } -extern void rt_bind_peer(struct rtable *rt, __be32 daddr, int create); - -static inline struct inet_peer *__rt_get_peer(struct rtable *rt, __be32 daddr, int create) -{ - if (rt_has_peer(rt)) - return rt_peer_ptr(rt); - - rt_bind_peer(rt, daddr, create); - return (rt_has_peer(rt) ? rt_peer_ptr(rt) : NULL); -} - -static inline struct inet_peer *rt_get_peer(struct rtable *rt, __be32 daddr) -{ - return __rt_get_peer(rt, daddr, 0); -} - -static inline struct inet_peer *rt_get_peer_create(struct rtable *rt, __be32 daddr) -{ - return __rt_get_peer(rt, daddr, 1); -} - static inline int inet_iif(const struct sk_buff *skb) { return skb_rtable(skb)->rt_iif; diff --git a/include/net/tcp.h b/include/net/tcp.h index 53fb7d81417..3618fefae04 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -388,6 +388,13 @@ extern void tcp_enter_frto(struct sock *sk); extern void tcp_enter_loss(struct sock *sk, int how); extern void tcp_clear_retrans(struct tcp_sock *tp); extern void tcp_update_metrics(struct sock *sk); +extern void tcp_init_metrics(struct sock *sk); +extern void tcp_metrics_init(void); +extern bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst, bool paws_check); +extern bool tcp_remember_stamp(struct sock *sk); +extern bool tcp_tw_remember_stamp(struct inet_timewait_sock *tw); +extern void tcp_fetch_timewait_stamp(struct sock *sk, struct dst_entry *dst); +extern void tcp_disable_fack(struct tcp_sock *tp); extern void tcp_close(struct sock *sk, long timeout); extern void tcp_init_sock(struct sock *sk); extern unsigned int tcp_poll(struct file * file, struct socket *sock, @@ -556,6 +563,8 @@ static inline u32 __tcp_set_rto(const struct tcp_sock *tp) return (tp->srtt >> 3) + tp->rttvar; } +extern void tcp_set_rto(struct sock *sk); + static inline void __tcp_fast_path_on(struct tcp_sock *tp, u32 snd_wnd) { tp->pred_flags = htonl((tp->tcp_header_len << 26) | diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c index 6089f0cf23b..9096bcb0813 100644 --- a/net/8021q/vlan.c +++ b/net/8021q/vlan.c @@ -403,6 +403,9 @@ static int vlan_device_event(struct notifier_block *unused, unsigned long event, break; case NETDEV_DOWN: + if (dev->features & NETIF_F_HW_VLAN_FILTER) + vlan_vid_del(dev, 0); + /* Put all VLANs for this dev in the down state too. */ for (i = 0; i < VLAN_N_VID; i++) { vlandev = vlan_group_get_device(grp, i); diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 2a167658bb9..35b8911b1c8 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -212,7 +212,7 @@ static int p9_virtio_cancel(struct p9_client *client, struct p9_req_t *req) * this takes a list of pages. * @sg: scatter/gather list to pack into * @start: which segment of the sg_list to start at - * @**pdata: a list of pages to add into sg. + * @pdata: a list of pages to add into sg. * @nr_pages: number of pages to pack into the scatter/gather list * @data: data to pack into scatter/gather list * @count: amount of data to pack into the scatter/gather list diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c index 86852963b7f..33475291c9c 100644 --- a/net/appletalk/ddp.c +++ b/net/appletalk/ddp.c @@ -129,8 +129,8 @@ found: /** * atalk_find_or_insert_socket - Try to find a socket matching ADDR - * @sk - socket to insert in the list if it is not there already - * @sat - address to search for + * @sk: socket to insert in the list if it is not there already + * @sat: address to search for * * Try to find a socket matching ADDR in the socket list, if found then return * it. If not, insert SK into the socket list. @@ -1066,8 +1066,8 @@ static int atalk_release(struct socket *sock) /** * atalk_pick_and_bind_port - Pick a source port when one is not given - * @sk - socket to insert into the tables - * @sat - address to search for + * @sk: socket to insert into the tables + * @sat: address to search for * * Pick a source port when one is not given. If we can find a suitable free * one, we insert the socket into the tables using it. diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c index 49e10d91c00..6705d35b17c 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -162,12 +162,13 @@ static struct batadv_claim *batadv_claim_hash_find(struct batadv_priv *bat_priv, return claim_tmp; } -/* @bat_priv: the bat priv with all the soft interface information +/** + * batadv_backbone_hash_find - looks for a claim in the hash + * @bat_priv: the bat priv with all the soft interface information * @addr: the address of the originator * @vid: the VLAN ID * - * looks for a claim in the hash, and returns it if found - * or NULL otherwise. + * Returns claim if found or NULL otherwise. */ static struct batadv_backbone_gw * batadv_backbone_hash_find(struct batadv_priv *bat_priv, @@ -242,12 +243,12 @@ batadv_bla_del_backbone_claims(struct batadv_backbone_gw *backbone_gw) backbone_gw->crc = BATADV_BLA_CRC_INIT; } -/* @bat_priv: the bat priv with all the soft interface information +/** + * batadv_bla_send_claim - sends a claim frame according to the provided info + * @bat_priv: the bat priv with all the soft interface information * @orig: the mac address to be announced within the claim * @vid: the VLAN ID * @claimtype: the type of the claim (CLAIM, UNCLAIM, ANNOUNCE, ...) - * - * sends a claim frame according to the provided info. */ static void batadv_bla_send_claim(struct batadv_priv *bat_priv, uint8_t *mac, short vid, int claimtype) @@ -348,7 +349,9 @@ out: batadv_hardif_free_ref(primary_if); } -/* @bat_priv: the bat priv with all the soft interface information +/** + * batadv_bla_get_backbone_gw + * @bat_priv: the bat priv with all the soft interface information * @orig: the mac address of the originator * @vid: the VLAN ID * @@ -520,12 +523,12 @@ static void batadv_bla_send_announce(struct batadv_priv *bat_priv, } -/* @bat_priv: the bat priv with all the soft interface information +/** + * batadv_bla_add_claim - Adds a claim in the claim hash + * @bat_priv: the bat priv with all the soft interface information * @mac: the mac address of the claim * @vid: the VLAN ID of the frame * @backbone_gw: the backbone gateway which claims it - * - * Adds a claim in the claim hash. */ static void batadv_bla_add_claim(struct batadv_priv *bat_priv, const uint8_t *mac, const short vid, @@ -743,7 +746,9 @@ static int batadv_handle_claim(struct batadv_priv *bat_priv, return 1; } -/* @bat_priv: the bat priv with all the soft interface information +/** + * batadv_check_claim_group + * @bat_priv: the bat priv with all the soft interface information * @hw_src: the Hardware source in the ARP Header * @hw_dst: the Hardware destination in the ARP Header * @ethhdr: pointer to the Ethernet header of the claim frame @@ -975,7 +980,9 @@ purge_now: } } -/* @bat_priv: the bat priv with all the soft interface information +/** + * batadv_bla_purge_claims + * @bat_priv: the bat priv with all the soft interface information * @primary_if: the selected primary interface, may be NULL if now is set * @now: whether the whole hash shall be wiped now * @@ -1023,7 +1030,9 @@ purge_now: } } -/* @bat_priv: the bat priv with all the soft interface information +/** + * batadv_bla_update_orig_address + * @bat_priv: the bat priv with all the soft interface information * @primary_if: the new selected primary_if * @oldif: the old primary interface, may be NULL * @@ -1193,7 +1202,9 @@ int batadv_bla_init(struct batadv_priv *bat_priv) return 0; } -/* @bat_priv: the bat priv with all the soft interface information +/** + * batadv_bla_check_bcast_duplist + * @bat_priv: the bat priv with all the soft interface information * @bcast_packet: originator mac address * @hdr_size: maximum length of the frame * @@ -1297,7 +1308,9 @@ int batadv_bla_is_backbone_gw_orig(struct batadv_priv *bat_priv, uint8_t *orig) } -/* @skb: the frame to be checked +/** + * batadv_bla_is_backbone_gw + * @skb: the frame to be checked * @orig_node: the orig_node of the frame * @hdr_size: maximum length of the frame * @@ -1363,9 +1376,12 @@ void batadv_bla_free(struct batadv_priv *bat_priv) batadv_hardif_free_ref(primary_if); } -/* @bat_priv: the bat priv with all the soft interface information +/** + * batadv_bla_rx + * @bat_priv: the bat priv with all the soft interface information * @skb: the frame to be checked * @vid: the VLAN ID of the frame + * @is_bcast: the packet came in a broadcast packet type. * * bla_rx avoidance checks if: * * we have to race for a claim @@ -1375,7 +1391,8 @@ void batadv_bla_free(struct batadv_priv *bat_priv) * returns 1, otherwise it returns 0 and the caller shall further * process the skb. */ -int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid) +int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid, + bool is_bcast) { struct ethhdr *ethhdr; struct batadv_claim search_claim, *claim = NULL; @@ -1394,7 +1411,7 @@ int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid) if (unlikely(atomic_read(&bat_priv->bla_num_requests))) /* don't allow broadcasts while requests are in flight */ - if (is_multicast_ether_addr(ethhdr->h_dest)) + if (is_multicast_ether_addr(ethhdr->h_dest) && is_bcast) goto handled; memcpy(search_claim.addr, ethhdr->h_source, ETH_ALEN); @@ -1420,8 +1437,13 @@ int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid) } /* if it is a broadcast ... */ - if (is_multicast_ether_addr(ethhdr->h_dest)) { - /* ... drop it. the responsible gateway is in charge. */ + if (is_multicast_ether_addr(ethhdr->h_dest) && is_bcast) { + /* ... drop it. the responsible gateway is in charge. + * + * We need to check is_bcast because with the gateway + * feature, broadcasts (like DHCP requests) may be sent + * using a unicast packet type. + */ goto handled; } else { /* seems the client considers us as its best gateway. @@ -1450,7 +1472,9 @@ out: return ret; } -/* @bat_priv: the bat priv with all the soft interface information +/** + * batadv_bla_tx + * @bat_priv: the bat priv with all the soft interface information * @skb: the frame to be checked * @vid: the VLAN ID of the frame * diff --git a/net/batman-adv/bridge_loop_avoidance.h b/net/batman-adv/bridge_loop_avoidance.h index 08d13cb1e3d..563cfbf94a7 100644 --- a/net/batman-adv/bridge_loop_avoidance.h +++ b/net/batman-adv/bridge_loop_avoidance.h @@ -21,7 +21,8 @@ #define _NET_BATMAN_ADV_BLA_H_ #ifdef CONFIG_BATMAN_ADV_BLA -int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid); +int batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid, + bool is_bcast); int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid); int batadv_bla_is_backbone_gw(struct sk_buff *skb, struct batadv_orig_node *orig_node, int hdr_size); @@ -40,7 +41,8 @@ void batadv_bla_free(struct batadv_priv *bat_priv); #else /* ifdef CONFIG_BATMAN_ADV_BLA */ static inline int batadv_bla_rx(struct batadv_priv *bat_priv, - struct sk_buff *skb, short vid) + struct sk_buff *skb, short vid, + bool is_bcast) { return 0; } diff --git a/net/batman-adv/hash.h b/net/batman-adv/hash.h index 83990e318e4..977de9c75fc 100644 --- a/net/batman-adv/hash.h +++ b/net/batman-adv/hash.h @@ -81,7 +81,8 @@ static inline void batadv_hash_delete(struct batadv_hashtable *hash, batadv_hash_destroy(hash); } -/* hash_add - adds data to the hashtable +/** + * batadv_hash_add - adds data to the hashtable * @hash: storage hash table * @compare: callback to determine if 2 hash elements are identical * @choose: callback calculating the hash index diff --git a/net/batman-adv/main.h b/net/batman-adv/main.h index b8d4ac17f00..5d8fa075794 100644 --- a/net/batman-adv/main.h +++ b/net/batman-adv/main.h @@ -216,7 +216,8 @@ static inline int batadv_compare_eth(const void *data1, const void *data2) return (memcmp(data1, data2, ETH_ALEN) == 0 ? 1 : 0); } -/* has_timed_out - compares current time (jiffies) and timestamp + timeout +/** + * has_timed_out - compares current time (jiffies) and timestamp + timeout * @timestamp: base value to compare with (in jiffies) * @timeout: added to base value before comparing (in milliseconds) * diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 9e4bb61301e..109ea2aae96 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -267,8 +267,12 @@ void batadv_interface_rx(struct net_device *soft_iface, struct batadv_priv *bat_priv = netdev_priv(soft_iface); struct ethhdr *ethhdr; struct vlan_ethhdr *vhdr; + struct batadv_header *batadv_header = (struct batadv_header *)skb->data; short vid __maybe_unused = -1; __be16 ethertype = __constant_htons(BATADV_ETH_P_BATMAN); + bool is_bcast; + + is_bcast = (batadv_header->packet_type == BATADV_BCAST); /* check if enough space is available for pulling, and pull */ if (!pskb_may_pull(skb, hdr_size)) @@ -315,7 +319,7 @@ void batadv_interface_rx(struct net_device *soft_iface, /* Let the bridge loop avoidance check the packet. If will * not handle it, we can safely push it up. */ - if (batadv_bla_rx(bat_priv, skb, vid)) + if (batadv_bla_rx(bat_priv, skb, vid, is_bcast)) goto out; netif_rx(skb); diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index 2141c130489..12635fd2c3d 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -44,7 +44,8 @@ struct batadv_hard_iface { struct rcu_head rcu; }; -/* batadv_orig_node - structure for orig_list maintaining nodes of mesh +/** + * struct batadv_orig_node - structure for orig_list maintaining nodes of mesh * @primary_addr: hosts primary interface address * @last_seen: when last packet from this node was received * @bcast_seqno_reset: time when the broadcast seqno window was reset diff --git a/net/ceph/pagelist.c b/net/ceph/pagelist.c index 13cb409a7bb..665cd23020f 100644 --- a/net/ceph/pagelist.c +++ b/net/ceph/pagelist.c @@ -72,8 +72,7 @@ int ceph_pagelist_append(struct ceph_pagelist *pl, const void *buf, size_t len) } EXPORT_SYMBOL(ceph_pagelist_append); -/** - * Allocate enough pages for a pagelist to append the given amount +/* Allocate enough pages for a pagelist to append the given amount * of data without without allocating. * Returns: 0 on success, -ENOMEM on error. */ @@ -95,9 +94,7 @@ int ceph_pagelist_reserve(struct ceph_pagelist *pl, size_t space) } EXPORT_SYMBOL(ceph_pagelist_reserve); -/** - * Free any pages that have been preallocated. - */ +/* Free any pages that have been preallocated. */ int ceph_pagelist_free_reserve(struct ceph_pagelist *pl) { while (!list_empty(&pl->free_list)) { @@ -112,9 +109,7 @@ int ceph_pagelist_free_reserve(struct ceph_pagelist *pl) } EXPORT_SYMBOL(ceph_pagelist_free_reserve); -/** - * Create a truncation point. - */ +/* Create a truncation point. */ void ceph_pagelist_set_cursor(struct ceph_pagelist *pl, struct ceph_pagelist_cursor *c) { @@ -124,8 +119,7 @@ void ceph_pagelist_set_cursor(struct ceph_pagelist *pl, } EXPORT_SYMBOL(ceph_pagelist_set_cursor); -/** - * Truncate a pagelist to the given point. Move extra pages to reserve. +/* Truncate a pagelist to the given point. Move extra pages to reserve. * This won't sleep. * Returns: 0 on success, * -EINVAL if the pagelist doesn't match the trunc point pagelist diff --git a/net/core/dev.c b/net/core/dev.c index 69f7a1a393d..73e87c7b437 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1691,7 +1691,8 @@ static void dev_queue_xmit_nit(struct sk_buff *skb, struct net_device *dev) rcu_read_unlock(); } -/* netif_setup_tc - Handle tc mappings on real_num_tx_queues change +/** + * netif_setup_tc - Handle tc mappings on real_num_tx_queues change * @dev: Network device * @txq: number of queues available * @@ -1793,12 +1794,13 @@ int netif_set_real_num_rx_queues(struct net_device *dev, unsigned int rxq) EXPORT_SYMBOL(netif_set_real_num_rx_queues); #endif -/* netif_get_num_default_rss_queues - default number of RSS queues +/** + * netif_get_num_default_rss_queues - default number of RSS queues * * This routine should set an upper limit on the number of RSS queues * used by default by multiqueue devices. */ -int netif_get_num_default_rss_queues() +int netif_get_num_default_rss_queues(void) { return min_t(int, DEFAULT_MAX_NUM_RSS_QUEUES, num_online_cpus()); } @@ -2455,8 +2457,12 @@ static void skb_update_prio(struct sk_buff *skb) { struct netprio_map *map = rcu_dereference_bh(skb->dev->priomap); - if ((!skb->priority) && (skb->sk) && map) - skb->priority = map->priomap[skb->sk->sk_cgrp_prioidx]; + if (!skb->priority && skb->sk && map) { + unsigned int prioidx = skb->sk->sk_cgrp_prioidx; + + if (prioidx < map->priomap_len) + skb->priority = map->priomap[prioidx]; + } } #else #define skb_update_prio(skb) @@ -5670,7 +5676,7 @@ int netdev_refcnt_read(const struct net_device *dev) } EXPORT_SYMBOL(netdev_refcnt_read); -/* +/** * netdev_wait_allrefs - wait until all references are gone. * * This is called when unregistering network devices. diff --git a/net/core/netprio_cgroup.c b/net/core/netprio_cgroup.c index 5b8aa2fae48..3e953eaddbf 100644 --- a/net/core/netprio_cgroup.c +++ b/net/core/netprio_cgroup.c @@ -49,8 +49,9 @@ static int get_prioidx(u32 *prio) return -ENOSPC; } set_bit(prioidx, prioidx_map); + if (atomic_read(&max_prioidx) < prioidx) + atomic_set(&max_prioidx, prioidx); spin_unlock_irqrestore(&prioidx_map_lock, flags); - atomic_set(&max_prioidx, prioidx); *prio = prioidx; return 0; } @@ -141,7 +142,7 @@ static void cgrp_destroy(struct cgroup *cgrp) rtnl_lock(); for_each_netdev(&init_net, dev) { map = rtnl_dereference(dev->priomap); - if (map) + if (map && cs->prioidx < map->priomap_len) map->priomap[cs->prioidx] = 0; } rtnl_unlock(); @@ -165,7 +166,7 @@ static int read_priomap(struct cgroup *cont, struct cftype *cft, rcu_read_lock(); for_each_netdev_rcu(&init_net, dev) { map = rcu_dereference(dev->priomap); - priority = map ? map->priomap[prioidx] : 0; + priority = (map && prioidx < map->priomap_len) ? map->priomap[prioidx] : 0; cb->fill(cb, dev->name, priority); } rcu_read_unlock(); diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 2b325c340b4..045db8ad87c 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -615,7 +615,7 @@ nla_put_failure: EXPORT_SYMBOL(rtnetlink_put_metrics); int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst, u32 id, - u32 ts, u32 tsage, long expires, u32 error) + long expires, u32 error) { struct rta_cacheinfo ci = { .rta_lastuse = jiffies_to_clock_t(jiffies - dst->lastuse), @@ -623,8 +623,6 @@ int rtnl_put_cacheinfo(struct sk_buff *skb, struct dst_entry *dst, u32 id, .rta_clntref = atomic_read(&(dst->__refcnt)), .rta_error = error, .rta_id = id, - .rta_ts = ts, - .rta_tsage = tsage, }; if (expires) @@ -2176,7 +2174,7 @@ skip: } /** - * ndo_dflt_fdb_dump: default netdevice operation to dump an FDB table. + * ndo_dflt_fdb_dump - default netdevice operation to dump an FDB table. * @nlh: netlink message header * @dev: netdevice * diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 5a789a807ec..506f678e9d9 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -713,7 +713,8 @@ struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src) } EXPORT_SYMBOL_GPL(skb_morph); -/* skb_copy_ubufs - copy userspace skb frags buffers to kernel +/** + * skb_copy_ubufs - copy userspace skb frags buffers to kernel * @skb: the skb to modify * @gfp_mask: allocation priority * @@ -2614,7 +2615,7 @@ unsigned int skb_find_text(struct sk_buff *skb, unsigned int from, EXPORT_SYMBOL(skb_find_text); /** - * skb_append_datato_frags: - append the user data to a skb + * skb_append_datato_frags - append the user data to a skb * @sk: sock structure * @skb: skb structure to be appened with user data. * @getfrag: call back function to be used for getting the user data diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c index 013da86575e..81f2bb62dea 100644 --- a/net/dcb/dcbnl.c +++ b/net/dcb/dcbnl.c @@ -28,8 +28,7 @@ #include <linux/module.h> #include <net/sock.h> -/** - * Data Center Bridging (DCB) is a collection of Ethernet enhancements +/* Data Center Bridging (DCB) is a collection of Ethernet enhancements * intended to allow network traffic with differing requirements * (highly reliable, no drops vs. best effort vs. low latency) to operate * and co-exist on Ethernet. Current DCB features are: diff --git a/net/dccp/ackvec.h b/net/dccp/ackvec.h index e2ab0627a5f..a269aa7f792 100644 --- a/net/dccp/ackvec.h +++ b/net/dccp/ackvec.h @@ -50,7 +50,8 @@ static inline u8 dccp_ackvec_state(const u8 *cell) return *cell & ~DCCPAV_MAX_RUNLEN; } -/** struct dccp_ackvec - Ack Vector main data structure +/** + * struct dccp_ackvec - Ack Vector main data structure * * This implements a fixed-size circular buffer within an array and is largely * based on Appendix A of RFC 4340. @@ -76,7 +77,8 @@ struct dccp_ackvec { struct list_head av_records; }; -/** struct dccp_ackvec_record - Records information about sent Ack Vectors +/** + * struct dccp_ackvec_record - Records information about sent Ack Vectors * * These list entries define the additional information which the HC-Receiver * keeps about recently-sent Ack Vectors; again refer to RFC 4340, Appendix A. @@ -121,6 +123,7 @@ static inline bool dccp_ackvec_is_empty(const struct dccp_ackvec *av) * @len: length of @vec * @nonce: whether @vec had an ECN nonce of 0 or 1 * @node: FIFO - arranged in descending order of ack_ackno + * * This structure is used by CCIDs to access Ack Vectors in a received skb. */ struct dccp_ackvec_parsed { diff --git a/net/dccp/ccid.c b/net/dccp/ccid.c index 48b585a5cba..597557254dd 100644 --- a/net/dccp/ccid.c +++ b/net/dccp/ccid.c @@ -46,6 +46,7 @@ bool ccid_support_check(u8 const *ccid_array, u8 array_len) * ccid_get_builtin_ccids - Populate a list of built-in CCIDs * @ccid_array: pointer to copy into * @array_len: value to return length into + * * This function allocates memory - caller must see that it is freed after use. */ int ccid_get_builtin_ccids(u8 **ccid_array, u8 *array_len) diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c index 8c67bedf85b..d65e98798ec 100644 --- a/net/dccp/ccids/ccid3.c +++ b/net/dccp/ccids/ccid3.c @@ -113,6 +113,7 @@ static u32 ccid3_hc_tx_idle_rtt(struct ccid3_hc_tx_sock *hc, ktime_t now) /** * ccid3_hc_tx_update_x - Update allowed sending rate X * @stamp: most recent time if available - can be left NULL. + * * This function tracks draft rfc3448bis, check there for latest details. * * Note: X and X_recv are both stored in units of 64 * bytes/second, to support @@ -161,9 +162,11 @@ static void ccid3_hc_tx_update_x(struct sock *sk, ktime_t *stamp) } } -/* - * Track the mean packet size `s' (cf. RFC 4342, 5.3 and RFC 3448, 4.1) +/** + * ccid3_hc_tx_update_s - Track the mean packet size `s' * @len: DCCP packet payload size in bytes + * + * cf. RFC 4342, 5.3 and RFC 3448, 4.1 */ static inline void ccid3_hc_tx_update_s(struct ccid3_hc_tx_sock *hc, int len) { @@ -270,6 +273,7 @@ out: /** * ccid3_hc_tx_send_packet - Delay-based dequeueing of TX packets * @skb: next packet candidate to send on @sk + * * This function uses the convention of ccid_packet_dequeue_eval() and * returns a millisecond-delay value between 0 and t_mbi = 64000 msec. */ diff --git a/net/dccp/ccids/lib/loss_interval.c b/net/dccp/ccids/lib/loss_interval.c index 497723c4d4b..57f9fd78c4d 100644 --- a/net/dccp/ccids/lib/loss_interval.c +++ b/net/dccp/ccids/lib/loss_interval.c @@ -133,6 +133,7 @@ static inline u8 tfrc_lh_is_new_loss(struct tfrc_loss_interval *cur, * @rh: Receive history containing a fresh loss event * @calc_first_li: Caller-dependent routine to compute length of first interval * @sk: Used by @calc_first_li in caller-specific way (subtyping) + * * Updates I_mean and returns 1 if a new interval has in fact been added to @lh. */ int tfrc_lh_interval_add(struct tfrc_loss_hist *lh, struct tfrc_rx_hist *rh, diff --git a/net/dccp/ccids/lib/packet_history.c b/net/dccp/ccids/lib/packet_history.c index de8fe294bf0..08df7a3acb3 100644 --- a/net/dccp/ccids/lib/packet_history.c +++ b/net/dccp/ccids/lib/packet_history.c @@ -315,6 +315,7 @@ static void __three_after_loss(struct tfrc_rx_hist *h) * @ndp: The NDP count belonging to @skb * @calc_first_li: Caller-dependent computation of first loss interval in @lh * @sk: Used by @calc_first_li (see tfrc_lh_interval_add) + * * Chooses action according to pending loss, updates LI database when a new * loss was detected, and does required post-processing. Returns 1 when caller * should send feedback, 0 otherwise. @@ -387,7 +388,7 @@ static inline struct tfrc_rx_hist_entry * } /** - * tfrc_rx_hist_rtt_prev_s: previously suitable (wrt rtt_last_s) RTT-sampling entry + * tfrc_rx_hist_rtt_prev_s - previously suitable (wrt rtt_last_s) RTT-sampling entry */ static inline struct tfrc_rx_hist_entry * tfrc_rx_hist_rtt_prev_s(const struct tfrc_rx_hist *h) diff --git a/net/dccp/ccids/lib/tfrc_equation.c b/net/dccp/ccids/lib/tfrc_equation.c index a052a4377e2..88ef98285be 100644 --- a/net/dccp/ccids/lib/tfrc_equation.c +++ b/net/dccp/ccids/lib/tfrc_equation.c @@ -611,6 +611,7 @@ static inline u32 tfrc_binsearch(u32 fval, u8 small) * @s: packet size in bytes * @R: RTT scaled by 1000000 (i.e., microseconds) * @p: loss ratio estimate scaled by 1000000 + * * Returns X_calc in bytes per second (not scaled). */ u32 tfrc_calc_x(u16 s, u32 R, u32 p) @@ -659,6 +660,7 @@ u32 tfrc_calc_x(u16 s, u32 R, u32 p) /** * tfrc_calc_x_reverse_lookup - try to find p given f(p) * @fvalue: function value to match, scaled by 1000000 + * * Returns closest match for p, also scaled by 1000000 */ u32 tfrc_calc_x_reverse_lookup(u32 fvalue) diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h index 9040be049d8..708e75bf623 100644 --- a/net/dccp/dccp.h +++ b/net/dccp/dccp.h @@ -352,6 +352,7 @@ static inline int dccp_bad_service_code(const struct sock *sk, * @dccpd_opt_len: total length of all options (5.8) in the packet * @dccpd_seq: sequence number * @dccpd_ack_seq: acknowledgment number subheader field value + * * This is used for transmission as well as for reception. */ struct dccp_skb_cb { diff --git a/net/dccp/feat.c b/net/dccp/feat.c index 78a2ad70e1b..9733ddbc96c 100644 --- a/net/dccp/feat.c +++ b/net/dccp/feat.c @@ -350,6 +350,7 @@ static int __dccp_feat_activate(struct sock *sk, const int idx, * @feat_num: feature to activate, one of %dccp_feature_numbers * @local: whether local (1) or remote (0) @feat_num is meant * @fval: the value (SP or NN) to activate, or NULL to use the default value + * * For general use this function is preferable over __dccp_feat_activate(). */ static int dccp_feat_activate(struct sock *sk, u8 feat_num, bool local, @@ -446,6 +447,7 @@ static struct dccp_feat_entry *dccp_feat_list_lookup(struct list_head *fn_list, * @head: list to add to * @feat: feature number * @local: whether the local (1) or remote feature with number @feat is meant + * * This is the only constructor and serves to ensure the above invariants. */ static struct dccp_feat_entry * @@ -504,6 +506,7 @@ static int dccp_feat_push_change(struct list_head *fn_list, u8 feat, u8 local, * @feat: one of %dccp_feature_numbers * @local: whether local (1) or remote (0) @feat_num is being confirmed * @fval: pointer to NN/SP value to be inserted or NULL + * * Returns 0 on success, a Reset code for further processing otherwise. */ static int dccp_feat_push_confirm(struct list_head *fn_list, u8 feat, u8 local, @@ -691,6 +694,7 @@ int dccp_feat_insert_opts(struct dccp_sock *dp, struct dccp_request_sock *dreq, * @feat: an NN feature from %dccp_feature_numbers * @mandatory: use Mandatory option if 1 * @nn_val: value to register (restricted to 4 bytes) + * * Note that NN features are local by definition (RFC 4340, 6.3.2). */ static int __feat_register_nn(struct list_head *fn, u8 feat, @@ -760,6 +764,7 @@ int dccp_feat_register_sp(struct sock *sk, u8 feat, u8 is_local, * dccp_feat_nn_get - Query current/pending value of NN feature * @sk: DCCP socket of an established connection * @feat: NN feature number from %dccp_feature_numbers + * * For a known NN feature, returns value currently being negotiated, or * current (confirmed) value if no negotiation is going on. */ @@ -790,6 +795,7 @@ EXPORT_SYMBOL_GPL(dccp_feat_nn_get); * @sk: DCCP socket of an established connection * @feat: NN feature number from %dccp_feature_numbers * @nn_val: the new value to use + * * This function is used to communicate NN updates out-of-band. */ int dccp_feat_signal_nn_change(struct sock *sk, u8 feat, u64 nn_val) @@ -930,6 +936,7 @@ static const struct ccid_dependency *dccp_feat_ccid_deps(u8 ccid, bool is_local) * @fn: feature-negotiation list to update * @id: CCID number to track * @is_local: whether TX CCID (1) or RX CCID (0) is meant + * * This function needs to be called after registering all other features. */ static int dccp_feat_propagate_ccid(struct list_head *fn, u8 id, bool is_local) @@ -953,6 +960,7 @@ static int dccp_feat_propagate_ccid(struct list_head *fn, u8 id, bool is_local) /** * dccp_feat_finalise_settings - Finalise settings before starting negotiation * @dp: client or listening socket (settings will be inherited) + * * This is called after all registrations (socket initialisation, sysctls, and * sockopt calls), and before sending the first packet containing Change options * (ie. client-Request or server-Response), to ensure internal consistency. @@ -1284,6 +1292,7 @@ confirmation_failed: * @feat: NN number, one of %dccp_feature_numbers * @val: NN value * @len: length of @val in bytes + * * This function combines the functionality of change_recv/confirm_recv, with * the following differences (reset codes are the same): * - cleanup after receiving the Confirm; @@ -1379,6 +1388,7 @@ fast_path_failed: * @feat: one of %dccp_feature_numbers * @val: value contents of @opt * @len: length of @val in bytes + * * Returns 0 on success, a Reset code for ending the connection otherwise. */ int dccp_feat_parse_options(struct sock *sk, struct dccp_request_sock *dreq, diff --git a/net/dccp/input.c b/net/dccp/input.c index bc93a333931..14cdafad7a9 100644 --- a/net/dccp/input.c +++ b/net/dccp/input.c @@ -710,6 +710,7 @@ EXPORT_SYMBOL_GPL(dccp_rcv_state_process); /** * dccp_sample_rtt - Validate and finalise computation of RTT sample * @delta: number of microseconds between packet and acknowledgment + * * The routine is kept generic to work in different contexts. It should be * called immediately when the ACK used for the RTT sample arrives. */ diff --git a/net/dccp/options.c b/net/dccp/options.c index 68fa6b7a3e0..a58e0b63405 100644 --- a/net/dccp/options.c +++ b/net/dccp/options.c @@ -527,6 +527,7 @@ int dccp_insert_option_mandatory(struct sk_buff *skb) * @val: NN value or SP array (preferred element first) to copy * @len: true length of @val in bytes (excluding first element repetition) * @repeat_first: whether to copy the first element of @val twice + * * The last argument is used to construct Confirm options, where the preferred * value and the preference list appear separately (RFC 4340, 6.3.1). Preference * lists are kept such that the preferred entry is always first, so we only need diff --git a/net/dccp/output.c b/net/dccp/output.c index 78736730879..d17fc90a74b 100644 --- a/net/dccp/output.c +++ b/net/dccp/output.c @@ -214,6 +214,7 @@ void dccp_write_space(struct sock *sk) * dccp_wait_for_ccid - Await CCID send permission * @sk: socket to wait for * @delay: timeout in jiffies + * * This is used by CCIDs which need to delay the send time in process context. */ static int dccp_wait_for_ccid(struct sock *sk, unsigned long delay) diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c index 6e74b3f110b..b5594cc73ee 100644 --- a/net/decnet/dn_route.c +++ b/net/decnet/dn_route.c @@ -1590,7 +1590,7 @@ static int dn_rt_fill_info(struct sk_buff *skb, u32 pid, u32 seq, goto errout; expires = rt->dst.expires ? rt->dst.expires - jiffies : 0; - if (rtnl_put_cacheinfo(skb, &rt->dst, 0, 0, 0, expires, + if (rtnl_put_cacheinfo(skb, &rt->dst, 0, expires, rt->dst.error) < 0) goto errout; @@ -1812,12 +1812,11 @@ static int dn_rt_cache_seq_show(struct seq_file *seq, void *v) char buf1[DN_ASCBUF_LEN], buf2[DN_ASCBUF_LEN]; seq_printf(seq, "%-8s %-7s %-7s %04d %04d %04d\n", - rt->dst.dev ? rt->dst.dev->name : "*", - dn_addr2asc(le16_to_cpu(rt->rt_daddr), buf1), - dn_addr2asc(le16_to_cpu(rt->rt_saddr), buf2), - atomic_read(&rt->dst.__refcnt), - rt->dst.__use, - (int) dst_metric(&rt->dst, RTAX_RTT)); + rt->dst.dev ? rt->dst.dev->name : "*", + dn_addr2asc(le16_to_cpu(rt->rt_daddr), buf1), + dn_addr2asc(le16_to_cpu(rt->rt_saddr), buf2), + atomic_read(&rt->dst.__refcnt), + rt->dst.__use, 0); return 0; } diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c index db6a6c17d79..4efad533e5f 100644 --- a/net/ethernet/eth.c +++ b/net/ethernet/eth.c @@ -232,6 +232,7 @@ EXPORT_SYMBOL(eth_header_parse); * @neigh: source neighbour * @hh: destination cache entry * @type: Ethernet type field + * * Create an Ethernet header template from the neighbour. */ int eth_header_cache(const struct neighbour *neigh, struct hh_cache *hh, __be16 type) @@ -274,6 +275,7 @@ EXPORT_SYMBOL(eth_header_cache_update); * eth_mac_addr - set new Ethernet hardware address * @dev: network device * @p: socket address + * * Change hardware address of device. * * This doesn't change hardware matching, so needs to be overridden @@ -331,6 +333,7 @@ const struct header_ops eth_header_ops ____cacheline_aligned = { /** * ether_setup - setup Ethernet network device * @dev: network device + * * Fill in the fields of the device structure with Ethernet-generic values. */ void ether_setup(struct net_device *dev) diff --git a/net/ieee802154/dgram.c b/net/ieee802154/dgram.c index 6fbb2ad7bb6..16705611589 100644 --- a/net/ieee802154/dgram.c +++ b/net/ieee802154/dgram.c @@ -230,6 +230,12 @@ static int dgram_sendmsg(struct kiocb *iocb, struct sock *sk, mtu = dev->mtu; pr_debug("name = %s, mtu = %u\n", dev->name, mtu); + if (size > mtu) { + pr_debug("size = %Zu, mtu = %u\n", size, mtu); + err = -EINVAL; + goto out_dev; + } + hlen = LL_RESERVED_SPACE(dev); tlen = dev->needed_tailroom; skb = sock_alloc_send_skb(sk, hlen + tlen + size, @@ -258,12 +264,6 @@ static int dgram_sendmsg(struct kiocb *iocb, struct sock *sk, if (err < 0) goto out_skb; - if (size > mtu) { - pr_debug("size = %Zu, mtu = %u\n", size, mtu); - err = -EINVAL; - goto out_skb; - } - skb->dev = dev; skb->sk = sk; skb->protocol = htons(ETH_P_IEEE802154); diff --git a/net/ipv4/Makefile b/net/ipv4/Makefile index ff75d3bbcd6..5a23e8b3710 100644 --- a/net/ipv4/Makefile +++ b/net/ipv4/Makefile @@ -7,7 +7,7 @@ obj-y := route.o inetpeer.o protocol.o \ ip_output.o ip_sockglue.o inet_hashtables.o \ inet_timewait_sock.o inet_connection_sock.o \ tcp.o tcp_input.o tcp_output.o tcp_timer.o tcp_ipv4.o \ - tcp_minisocks.o tcp_cong.o \ + tcp_minisocks.o tcp_cong.o tcp_metrics.o \ datagram.o raw.o udp.o udplite.o \ arp.o icmp.o devinet.o af_inet.o igmp.o \ fib_frontend.o fib_semantics.o fib_trie.o \ diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index ae301c897a1..d71bfbdc0bf 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -794,6 +794,8 @@ struct fib_info *fib_create_info(struct fib_config *cfg) val = nla_get_u32(nla); if (type == RTAX_ADVMSS && val > 65535 - 40) val = 65535 - 40; + if (type == RTAX_MTU && val > 65535 - 15) + val = 65535 - 15; fi->fib_metrics[type - 1] = val; } } diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 4bce5a2830a..4a049449305 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -254,9 +254,10 @@ static inline bool icmpv4_xrlim_allow(struct net *net, struct rtable *rt, /* Limit if icmp type is enabled in ratemask. */ if ((1 << type) & net->ipv4.sysctl_icmp_ratemask) { - struct inet_peer *peer = rt_get_peer_create(rt, fl4->daddr); + struct inet_peer *peer = inet_getpeer_v4(net->ipv4.peers, fl4->daddr, 1); rc = inet_peer_xrlim_allow(peer, net->ipv4.sysctl_icmp_ratelimit); + inet_putpeer(peer); } out: return rc; diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index 034ddbe42ad..76825be3b64 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -375,7 +375,7 @@ struct dst_entry *inet_csk_route_req(struct sock *sk, const struct inet_request_sock *ireq = inet_rsk(req); struct ip_options_rcu *opt = inet_rsk(req)->opt; struct net *net = sock_net(sk); - int flags = inet_sk_flowi_flags(sk) & ~FLOWI_FLAG_PRECOW_METRICS; + int flags = inet_sk_flowi_flags(sk); if (nocache) flags |= FLOWI_FLAG_RT_NOCACHE; diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c index da90a8cab61..e1e0a4e8fd3 100644 --- a/net/ipv4/inetpeer.c +++ b/net/ipv4/inetpeer.c @@ -508,13 +508,9 @@ relookup: (daddr->family == AF_INET) ? secure_ip_id(daddr->addr.a4) : secure_ipv6_id(daddr->addr.a6)); - p->tcp_ts_stamp = 0; p->metrics[RTAX_LOCK-1] = INETPEER_METRICS_NEW; p->rate_tokens = 0; p->rate_last = 0; - p->pmtu_expires = 0; - p->pmtu_orig = 0; - memset(&p->redirect_learned, 0, sizeof(p->redirect_learned)); INIT_LIST_HEAD(&p->gc_list); /* Link the node. */ diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index b4ac39f11d1..5716c6b808d 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -524,8 +524,8 @@ failure: } #endif -/* - * Delete a VIF entry +/** + * vif_delete - Delete a VIF entry * @notify: Set to 1, if the caller is a notifier_call */ diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 72e88c20802..95bfa1ba5b2 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -158,34 +158,8 @@ static void ipv4_dst_ifdown(struct dst_entry *dst, struct net_device *dev, static u32 *ipv4_cow_metrics(struct dst_entry *dst, unsigned long old) { - struct rtable *rt = (struct rtable *) dst; - struct inet_peer *peer; - u32 *p = NULL; - - peer = rt_get_peer_create(rt, rt->rt_dst); - if (peer) { - u32 *old_p = __DST_METRICS_PTR(old); - unsigned long prev, new; - - p = peer->metrics; - if (inet_metrics_new(peer)) - memcpy(p, old_p, sizeof(u32) * RTAX_MAX); - - new = (unsigned long) p; - prev = cmpxchg(&dst->_metrics, old, new); - - if (prev != old) { - p = __DST_METRICS_PTR(prev); - if (prev & DST_METRICS_READ_ONLY) - p = NULL; - } else { - if (rt->fi) { - fib_info_put(rt->fi); - rt->fi = NULL; - } - } - } - return p; + WARN_ON(1); + return NULL; } static struct neighbour *ipv4_neigh_lookup(const struct dst_entry *dst, @@ -423,18 +397,16 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v) int len; seq_printf(seq, "%s\t%08X\t%08X\t%8X\t%d\t%u\t%d\t" - "%08X\t%d\t%u\t%u\t%02X\t%d\t%1d\t%08X%n", - r->dst.dev ? r->dst.dev->name : "*", - (__force u32)r->rt_dst, - (__force u32)r->rt_gateway, - r->rt_flags, atomic_read(&r->dst.__refcnt), - r->dst.__use, 0, (__force u32)r->rt_src, - dst_metric_advmss(&r->dst) + 40, - dst_metric(&r->dst, RTAX_WINDOW), - (int)((dst_metric(&r->dst, RTAX_RTT) >> 3) + - dst_metric(&r->dst, RTAX_RTTVAR)), - r->rt_key_tos, - -1, 0, 0, &len); + "%08X\t%d\t%u\t%u\t%02X\t%d\t%1d\t%08X%n", + r->dst.dev ? r->dst.dev->name : "*", + (__force u32)r->rt_dst, + (__force u32)r->rt_gateway, + r->rt_flags, atomic_read(&r->dst.__refcnt), + r->dst.__use, 0, (__force u32)r->rt_src, + dst_metric_advmss(&r->dst) + 40, + dst_metric(&r->dst, RTAX_WINDOW), 0, + r->rt_key_tos, + -1, 0, 0, &len); seq_printf(seq, "%*s\n", 127 - len, ""); } @@ -671,7 +643,7 @@ static inline int rt_fast_clean(struct rtable *rth) static inline int rt_valuable(struct rtable *rth) { return (rth->rt_flags & (RTCF_REDIRECTED | RTCF_NOTIFY)) || - (rt_has_peer(rth) && rt_peer_ptr(rth)->pmtu_expires); + rth->dst.expires; } static int rt_may_expire(struct rtable *rth, unsigned long tmo1, unsigned long tmo2) @@ -917,7 +889,6 @@ static void rt_cache_invalidate(struct net *net) get_random_bytes(&shuffle, sizeof(shuffle)); atomic_add(shuffle + 1U, &net->ipv4.rt_genid); - inetpeer_invalidate_family(AF_INET); } /* @@ -1244,31 +1215,6 @@ skip_hashing: return rt; } -static atomic_t __rt_peer_genid = ATOMIC_INIT(0); - -static u32 rt_peer_genid(void) -{ - return atomic_read(&__rt_peer_genid); -} - -void rt_bind_peer(struct rtable *rt, __be32 daddr, int create) -{ - struct inet_peer_base *base; - struct inet_peer *peer; - - base = inetpeer_base_ptr(rt->_peer); - if (!base) - return; - - peer = inet_getpeer_v4(base, daddr, create); - if (peer) { - if (!rt_set_peer(rt, peer)) - inet_putpeer(peer); - else - rt->rt_peer_genid = rt_peer_genid(); - } -} - /* * Peer allocation may fail only in serious out-of-memory conditions. However * we still can generate some output. @@ -1291,20 +1237,15 @@ static void ip_select_fb_ident(struct iphdr *iph) void __ip_select_ident(struct iphdr *iph, struct dst_entry *dst, int more) { - struct rtable *rt = (struct rtable *) dst; - - if (rt && !(rt->dst.flags & DST_NOPEER)) { - struct inet_peer *peer = rt_get_peer_create(rt, rt->rt_dst); + struct net *net = dev_net(dst->dev); + struct inet_peer *peer; - /* If peer is attached to destination, it is never detached, - so that we need not to grab a lock to dereference it. - */ - if (peer) { - iph->id = htons(inet_getid(peer, more)); - return; - } - } else if (!rt) - pr_debug("rt_bind_peer(0) @%p\n", __builtin_return_address(0)); + peer = inet_getpeer_v4(net->ipv4.peers, iph->daddr, 1); + if (peer) { + iph->id = htons(inet_getid(peer, more)); + inet_putpeer(peer); + return; + } ip_select_fb_ident(iph); } @@ -1330,30 +1271,6 @@ static void rt_del(unsigned int hash, struct rtable *rt) spin_unlock_bh(rt_hash_lock_addr(hash)); } -static void check_peer_redir(struct dst_entry *dst, struct inet_peer *peer) -{ - struct rtable *rt = (struct rtable *) dst; - __be32 orig_gw = rt->rt_gateway; - struct neighbour *n; - - dst_confirm(&rt->dst); - - rt->rt_gateway = peer->redirect_learned.a4; - - n = ipv4_neigh_lookup(&rt->dst, NULL, &rt->rt_gateway); - if (!n) { - rt->rt_gateway = orig_gw; - return; - } - if (!(n->nud_state & NUD_VALID)) { - neigh_event_send(n, NULL); - } else { - rt->rt_flags |= RTCF_REDIRECTED; - call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, n); - } - neigh_release(n); -} - /* called in rcu_read_lock() section */ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw, __be32 saddr, struct net_device *dev) @@ -1362,7 +1279,6 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw, struct in_device *in_dev = __in_dev_get_rcu(dev); __be32 skeys[2] = { saddr, 0 }; int ikeys[2] = { dev->ifindex, 0 }; - struct inet_peer *peer; struct net *net; if (!in_dev) @@ -1395,6 +1311,8 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw, rthp = &rt_hash_table[hash].chain; while ((rt = rcu_dereference(*rthp)) != NULL) { + struct neighbour *n; + rthp = &rt->dst.rt_next; if (rt->rt_key_dst != daddr || @@ -1408,13 +1326,16 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw, rt->rt_gateway != old_gw) continue; - peer = rt_get_peer_create(rt, rt->rt_dst); - if (peer) { - if (peer->redirect_learned.a4 != new_gw) { - peer->redirect_learned.a4 = new_gw; - atomic_inc(&__rt_peer_genid); + n = ipv4_neigh_lookup(&rt->dst, NULL, &new_gw); + if (n) { + if (!(n->nud_state & NUD_VALID)) { + neigh_event_send(n, NULL); + } else { + rt->rt_gateway = new_gw; + rt->rt_flags |= RTCF_REDIRECTED; + call_netevent_notifiers(NETEVENT_NEIGH_UPDATE, n); } - check_peer_redir(&rt->dst, peer); + neigh_release(n); } } } @@ -1432,23 +1353,6 @@ reject_redirect: ; } -static bool peer_pmtu_expired(struct inet_peer *peer) -{ - unsigned long orig = ACCESS_ONCE(peer->pmtu_expires); - - return orig && - time_after_eq(jiffies, orig) && - cmpxchg(&peer->pmtu_expires, orig, 0) == orig; -} - -static bool peer_pmtu_cleaned(struct inet_peer *peer) -{ - unsigned long orig = ACCESS_ONCE(peer->pmtu_expires); - - return orig && - cmpxchg(&peer->pmtu_expires, orig, 0) == orig; -} - static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst) { struct rtable *rt = (struct rtable *)dst; @@ -1458,16 +1362,13 @@ static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst) if (dst->obsolete > 0) { ip_rt_put(rt); ret = NULL; - } else if (rt->rt_flags & RTCF_REDIRECTED) { + } else if ((rt->rt_flags & RTCF_REDIRECTED) || + rt->dst.expires) { unsigned int hash = rt_hash(rt->rt_key_dst, rt->rt_key_src, rt->rt_oif, rt_genid(dev_net(dst->dev))); rt_del(hash, rt); ret = NULL; - } else if (rt_has_peer(rt)) { - struct inet_peer *peer = rt_peer_ptr(rt); - if (peer_pmtu_expired(peer)) - dst_metric_set(dst, RTAX_MTU, peer->pmtu_orig); } } return ret; @@ -1494,6 +1395,7 @@ void ip_rt_send_redirect(struct sk_buff *skb) struct rtable *rt = skb_rtable(skb); struct in_device *in_dev; struct inet_peer *peer; + struct net *net; int log_martians; rcu_read_lock(); @@ -1505,7 +1407,8 @@ void ip_rt_send_redirect(struct sk_buff *skb) log_martians = IN_DEV_LOG_MARTIANS(in_dev); rcu_read_unlock(); - peer = rt_get_peer_create(rt, rt->rt_dst); + net = dev_net(rt->dst.dev); + peer = inet_getpeer_v4(net->ipv4.peers, ip_hdr(skb)->saddr, 1); if (!peer) { icmp_send(skb, ICMP_REDIRECT, ICMP_REDIR_HOST, rt->rt_gateway); return; @@ -1522,7 +1425,7 @@ void ip_rt_send_redirect(struct sk_buff *skb) */ if (peer->rate_tokens >= ip_rt_redirect_number) { peer->rate_last = jiffies; - return; + goto out_put_peer; } /* Check for load limit; set rate_last to the latest sent @@ -1543,6 +1446,8 @@ void ip_rt_send_redirect(struct sk_buff *skb) &rt->rt_dst, &rt->rt_gateway); #endif } +out_put_peer: + inet_putpeer(peer); } static int ip_error(struct sk_buff *skb) @@ -1585,7 +1490,7 @@ static int ip_error(struct sk_buff *skb) break; } - peer = rt_get_peer_create(rt, rt->rt_dst); + peer = inet_getpeer_v4(net->ipv4.peers, ip_hdr(skb)->saddr, 1); send = true; if (peer) { @@ -1598,6 +1503,7 @@ static int ip_error(struct sk_buff *skb) peer->rate_tokens -= ip_rt_error_cost; else send = false; + inet_putpeer(peer); } if (send) icmp_send(skb, ICMP_DEST_UNREACH, code, 0); @@ -1606,50 +1512,17 @@ out: kfree_skb(skb); return 0; } -static void check_peer_pmtu(struct dst_entry *dst, struct inet_peer *peer) -{ - unsigned long expires = ACCESS_ONCE(peer->pmtu_expires); - - if (!expires) - return; - if (time_before(jiffies, expires)) { - u32 orig_dst_mtu = dst_mtu(dst); - if (peer->pmtu_learned < orig_dst_mtu) { - if (!peer->pmtu_orig) - peer->pmtu_orig = dst_metric_raw(dst, RTAX_MTU); - dst_metric_set(dst, RTAX_MTU, peer->pmtu_learned); - } - } else if (cmpxchg(&peer->pmtu_expires, expires, 0) == expires) - dst_metric_set(dst, RTAX_MTU, peer->pmtu_orig); -} - static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu) { struct rtable *rt = (struct rtable *) dst; - struct inet_peer *peer; dst_confirm(dst); - peer = rt_get_peer_create(rt, rt->rt_dst); - if (peer) { - unsigned long pmtu_expires = ACCESS_ONCE(peer->pmtu_expires); - - if (mtu < ip_rt_min_pmtu) - mtu = ip_rt_min_pmtu; - if (!pmtu_expires || mtu < peer->pmtu_learned) { - - pmtu_expires = jiffies + ip_rt_mtu_expires; - if (!pmtu_expires) - pmtu_expires = 1UL; - - peer->pmtu_learned = mtu; - peer->pmtu_expires = pmtu_expires; + if (mtu < ip_rt_min_pmtu) + mtu = ip_rt_min_pmtu; - atomic_inc(&__rt_peer_genid); - rt->rt_peer_genid = rt_peer_genid(); - } - check_peer_pmtu(dst, peer); - } + rt->rt_pmtu = mtu; + dst_set_expires(&rt->dst, ip_rt_mtu_expires); } void ipv4_update_pmtu(struct sk_buff *skb, struct net *net, u32 mtu, @@ -1660,7 +1533,7 @@ void ipv4_update_pmtu(struct sk_buff *skb, struct net *net, u32 mtu, struct rtable *rt; flowi4_init_output(&fl4, oif, mark, RT_TOS(iph->tos), RT_SCOPE_UNIVERSE, - protocol, flow_flags | FLOWI_FLAG_PRECOW_METRICS, + protocol, flow_flags, iph->daddr, iph->saddr, 0, 0); rt = __ip_route_output_key(net, &fl4); if (!IS_ERR(rt)) { @@ -1681,30 +1554,12 @@ void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu) } EXPORT_SYMBOL_GPL(ipv4_sk_update_pmtu); -static void ipv4_validate_peer(struct rtable *rt) -{ - if (rt->rt_peer_genid != rt_peer_genid()) { - struct inet_peer *peer = rt_get_peer(rt, rt->rt_dst); - - if (peer) { - check_peer_pmtu(&rt->dst, peer); - - if (peer->redirect_learned.a4 && - peer->redirect_learned.a4 != rt->rt_gateway) - check_peer_redir(&rt->dst, peer); - } - - rt->rt_peer_genid = rt_peer_genid(); - } -} - static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie) { struct rtable *rt = (struct rtable *) dst; if (rt_is_expired(rt)) return NULL; - ipv4_validate_peer(rt); return dst; } @@ -1716,10 +1571,6 @@ static void ipv4_dst_destroy(struct dst_entry *dst) fib_info_put(rt->fi); rt->fi = NULL; } - if (rt_has_peer(rt)) { - struct inet_peer *peer = rt_peer_ptr(rt); - inet_putpeer(peer); - } } @@ -1730,11 +1581,8 @@ static void ipv4_link_failure(struct sk_buff *skb) icmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_UNREACH, 0); rt = skb_rtable(skb); - if (rt && rt_has_peer(rt)) { - struct inet_peer *peer = rt_peer_ptr(rt); - if (peer_pmtu_cleaned(peer)) - dst_metric_set(&rt->dst, RTAX_MTU, peer->pmtu_orig); - } + if (rt) + dst_set_expires(&rt->dst, 0); } static int ip_rt_bug(struct sk_buff *skb) @@ -1814,7 +1662,13 @@ static unsigned int ipv4_default_advmss(const struct dst_entry *dst) static unsigned int ipv4_mtu(const struct dst_entry *dst) { const struct rtable *rt = (const struct rtable *) dst; - unsigned int mtu = dst_metric_raw(dst, RTAX_MTU); + unsigned int mtu = rt->rt_pmtu; + + if (mtu && time_after_eq(jiffies, rt->dst.expires)) + mtu = 0; + + if (!mtu) + mtu = dst_metric_raw(dst, RTAX_MTU); if (mtu && rt_is_output_route(rt)) return mtu; @@ -1836,63 +1690,27 @@ static unsigned int ipv4_mtu(const struct dst_entry *dst) static void rt_init_metrics(struct rtable *rt, const struct flowi4 *fl4, struct fib_info *fi) { - struct inet_peer_base *base; - struct inet_peer *peer; - int create = 0; - - /* If a peer entry exists for this destination, we must hook - * it up in order to get at cached metrics. - */ - if (fl4 && (fl4->flowi4_flags & FLOWI_FLAG_PRECOW_METRICS)) - create = 1; - - base = inetpeer_base_ptr(rt->_peer); - BUG_ON(!base); - - peer = inet_getpeer_v4(base, rt->rt_dst, create); - if (peer) { - __rt_set_peer(rt, peer); - rt->rt_peer_genid = rt_peer_genid(); - if (inet_metrics_new(peer)) - memcpy(peer->metrics, fi->fib_metrics, - sizeof(u32) * RTAX_MAX); - dst_init_metrics(&rt->dst, peer->metrics, false); - - check_peer_pmtu(&rt->dst, peer); - - if (peer->redirect_learned.a4 && - peer->redirect_learned.a4 != rt->rt_gateway) { - rt->rt_gateway = peer->redirect_learned.a4; - rt->rt_flags |= RTCF_REDIRECTED; - } - } else { - if (fi->fib_metrics != (u32 *) dst_default_metrics) { - rt->fi = fi; - atomic_inc(&fi->fib_clntref); - } - dst_init_metrics(&rt->dst, fi->fib_metrics, true); + if (fi->fib_metrics != (u32 *) dst_default_metrics) { + rt->fi = fi; + atomic_inc(&fi->fib_clntref); } + dst_init_metrics(&rt->dst, fi->fib_metrics, true); } static void rt_set_nexthop(struct rtable *rt, const struct flowi4 *fl4, const struct fib_result *res, struct fib_info *fi, u16 type, u32 itag) { - struct dst_entry *dst = &rt->dst; - if (fi) { if (FIB_RES_GW(*res) && FIB_RES_NH(*res).nh_scope == RT_SCOPE_LINK) rt->rt_gateway = FIB_RES_GW(*res); rt_init_metrics(rt, fl4, fi); #ifdef CONFIG_IP_ROUTE_CLASSID - dst->tclassid = FIB_RES_NH(*res).nh_tclassid; + rt->dst.tclassid = FIB_RES_NH(*res).nh_tclassid; #endif } - if (dst_mtu(dst) > IP_MAX_MTU) - dst_metric_set(dst, RTAX_MTU, IP_MAX_MTU); - #ifdef CONFIG_IP_ROUTE_CLASSID #ifdef CONFIG_IP_MULTIPLE_TABLES set_class_tag(rt, fib_rules_tclass(res)); @@ -1964,9 +1782,8 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr, rth->rt_iif = dev->ifindex; rth->rt_oif = 0; rth->rt_mark = skb->mark; + rth->rt_pmtu = 0; rth->rt_gateway = daddr; - rth->rt_peer_genid = 0; - rt_init_peer(rth, dev_net(dev)->ipv4.peers); rth->fi = NULL; if (our) { rth->dst.input= ip_local_deliver; @@ -2090,9 +1907,8 @@ static int __mkroute_input(struct sk_buff *skb, rth->rt_iif = in_dev->dev->ifindex; rth->rt_oif = 0; rth->rt_mark = skb->mark; + rth->rt_pmtu = 0; rth->rt_gateway = daddr; - rth->rt_peer_genid = 0; - rt_init_peer(rth, &res->table->tb_peers); rth->fi = NULL; rth->dst.input = ip_forward; @@ -2269,9 +2085,8 @@ local_input: rth->rt_iif = dev->ifindex; rth->rt_oif = 0; rth->rt_mark = skb->mark; + rth->rt_pmtu = 0; rth->rt_gateway = daddr; - rth->rt_peer_genid = 0; - rt_init_peer(rth, net->ipv4.peers); rth->fi = NULL; if (res.type == RTN_UNREACHABLE) { rth->dst.input= ip_error; @@ -2346,7 +2161,6 @@ int ip_route_input_common(struct sk_buff *skb, __be32 daddr, __be32 saddr, rth->rt_mark == skb->mark && net_eq(dev_net(rth->dst.dev), net) && !rt_is_expired(rth)) { - ipv4_validate_peer(rth); if (noref) { dst_use_noref(&rth->dst, jiffies); skb_dst_set_noref(skb, &rth->dst); @@ -2468,11 +2282,8 @@ static struct rtable *__mkroute_output(const struct fib_result *res, rth->rt_iif = orig_oif ? : dev_out->ifindex; rth->rt_oif = orig_oif; rth->rt_mark = fl4->flowi4_mark; + rth->rt_pmtu = 0; rth->rt_gateway = fl4->daddr; - rth->rt_peer_genid = 0; - rt_init_peer(rth, (res->table ? - &res->table->tb_peers : - dev_net(dev_out)->ipv4.peers)); rth->fi = NULL; RT_CACHE_STAT_INC(out_slow_tot); @@ -2726,7 +2537,6 @@ struct rtable *__ip_route_output_key(struct net *net, struct flowi4 *flp4) (IPTOS_RT_MASK | RTO_ONLINK)) && net_eq(dev_net(rth->dst.dev), net) && !rt_is_expired(rth)) { - ipv4_validate_peer(rth); dst_use(&rth->dst, jiffies); RT_CACHE_STAT_INC(out_hit); rcu_read_unlock_bh(); @@ -2790,7 +2600,6 @@ struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_or new->__use = 1; new->input = dst_discard; new->output = dst_discard; - dst_copy_metrics(new, &ort->dst); new->dev = ort->dst.dev; if (new->dev) @@ -2803,6 +2612,7 @@ struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_or rt->rt_iif = ort->rt_iif; rt->rt_oif = ort->rt_oif; rt->rt_mark = ort->rt_mark; + rt->rt_pmtu = ort->rt_pmtu; rt->rt_genid = rt_genid(net); rt->rt_flags = ort->rt_flags; @@ -2810,7 +2620,6 @@ struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_or rt->rt_dst = ort->rt_dst; rt->rt_src = ort->rt_src; rt->rt_gateway = ort->rt_gateway; - rt_transfer_peer(rt, ort); rt->fi = ort->fi; if (rt->fi) atomic_inc(&rt->fi->fib_clntref); @@ -2848,7 +2657,7 @@ static int rt_fill_info(struct net *net, struct rtmsg *r; struct nlmsghdr *nlh; unsigned long expires = 0; - u32 id = 0, ts = 0, tsage = 0, error; + u32 error; nlh = nlmsg_put(skb, pid, seq, event, sizeof(*r), flags); if (nlh == NULL) @@ -2901,21 +2710,12 @@ static int rt_fill_info(struct net *net, goto nla_put_failure; error = rt->dst.error; - if (rt_has_peer(rt)) { - const struct inet_peer *peer = rt_peer_ptr(rt); - inet_peer_refcheck(peer); - id = atomic_read(&peer->ip_id_count) & 0xffff; - if (peer->tcp_ts_stamp) { - ts = peer->tcp_ts; - tsage = get_seconds() - peer->tcp_ts_stamp; - } - expires = ACCESS_ONCE(peer->pmtu_expires); - if (expires) { - if (time_before(jiffies, expires)) - expires -= jiffies; - else - expires = 0; - } + expires = rt->dst.expires; + if (expires) { + if (time_before(jiffies, expires)) + expires -= jiffies; + else + expires = 0; } if (rt_is_input_route(rt)) { @@ -2944,8 +2744,7 @@ static int rt_fill_info(struct net *net, goto nla_put_failure; } - if (rtnl_put_cacheinfo(skb, &rt->dst, id, ts, tsage, - expires, error) < 0) + if (rtnl_put_cacheinfo(skb, &rt->dst, 0, expires, error) < 0) goto nla_put_failure; return nlmsg_end(skb, nlh); diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 3ba605f60e4..d902da96d15 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -3310,8 +3310,7 @@ EXPORT_SYMBOL(tcp_md5_hash_key); #endif -/** - * Each Responder maintains up to two secret values concurrently for +/* Each Responder maintains up to two secret values concurrently for * efficient secret rollover. Each secret value has 4 states: * * Generating. (tcp_secret_generating != tcp_secret_primary) @@ -3563,6 +3562,8 @@ void __init tcp_init(void) pr_info("Hash tables configured (established %u bind %u)\n", tcp_hashinfo.ehash_mask + 1, tcp_hashinfo.bhash_size); + tcp_metrics_init(); + tcp_register_congestion_control(&tcp_reno); memset(&tcp_secret_one.secrets[0], 0, sizeof(tcp_secret_one.secrets)); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index ca0d0e7c977..055ac49b8b4 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -93,7 +93,6 @@ int sysctl_tcp_rfc1337 __read_mostly; int sysctl_tcp_max_orphans __read_mostly = NR_FILE; int sysctl_tcp_frto __read_mostly = 2; int sysctl_tcp_frto_response __read_mostly; -int sysctl_tcp_nometrics_save __read_mostly; int sysctl_tcp_thin_dupack __read_mostly; @@ -701,7 +700,7 @@ static void tcp_rtt_estimator(struct sock *sk, const __u32 mrtt) /* Calculate rto without backoff. This is the second half of Van Jacobson's * routine referred to above. */ -static inline void tcp_set_rto(struct sock *sk) +void tcp_set_rto(struct sock *sk) { const struct tcp_sock *tp = tcp_sk(sk); /* Old crap is replaced with new one. 8) @@ -728,109 +727,6 @@ static inline void tcp_set_rto(struct sock *sk) tcp_bound_rto(sk); } -/* Save metrics learned by this TCP session. - This function is called only, when TCP finishes successfully - i.e. when it enters TIME-WAIT or goes from LAST-ACK to CLOSE. - */ -void tcp_update_metrics(struct sock *sk) -{ - struct tcp_sock *tp = tcp_sk(sk); - struct dst_entry *dst = __sk_dst_get(sk); - - if (sysctl_tcp_nometrics_save) - return; - - if (dst && (dst->flags & DST_HOST)) { - const struct inet_connection_sock *icsk = inet_csk(sk); - int m; - unsigned long rtt; - - dst_confirm(dst); - - if (icsk->icsk_backoff || !tp->srtt) { - /* This session failed to estimate rtt. Why? - * Probably, no packets returned in time. - * Reset our results. - */ - if (!(dst_metric_locked(dst, RTAX_RTT))) - dst_metric_set(dst, RTAX_RTT, 0); - return; - } - - rtt = dst_metric_rtt(dst, RTAX_RTT); - m = rtt - tp->srtt; - - /* If newly calculated rtt larger than stored one, - * store new one. Otherwise, use EWMA. Remember, - * rtt overestimation is always better than underestimation. - */ - if (!(dst_metric_locked(dst, RTAX_RTT))) { - if (m <= 0) - set_dst_metric_rtt(dst, RTAX_RTT, tp->srtt); - else - set_dst_metric_rtt(dst, RTAX_RTT, rtt - (m >> 3)); - } - - if (!(dst_metric_locked(dst, RTAX_RTTVAR))) { - unsigned long var; - if (m < 0) - m = -m; - - /* Scale deviation to rttvar fixed point */ - m >>= 1; - if (m < tp->mdev) - m = tp->mdev; - - var = dst_metric_rtt(dst, RTAX_RTTVAR); - if (m >= var) - var = m; - else - var -= (var - m) >> 2; - - set_dst_metric_rtt(dst, RTAX_RTTVAR, var); - } - - if (tcp_in_initial_slowstart(tp)) { - /* Slow start still did not finish. */ - if (dst_metric(dst, RTAX_SSTHRESH) && - !dst_metric_locked(dst, RTAX_SSTHRESH) && - (tp->snd_cwnd >> 1) > dst_metric(dst, RTAX_SSTHRESH)) - dst_metric_set(dst, RTAX_SSTHRESH, tp->snd_cwnd >> 1); - if (!dst_metric_locked(dst, RTAX_CWND) && - tp->snd_cwnd > dst_metric(dst, RTAX_CWND)) - dst_metric_set(dst, RTAX_CWND, tp->snd_cwnd); - } else if (tp->snd_cwnd > tp->snd_ssthresh && - icsk->icsk_ca_state == TCP_CA_Open) { - /* Cong. avoidance phase, cwnd is reliable. */ - if (!dst_metric_locked(dst, RTAX_SSTHRESH)) - dst_metric_set(dst, RTAX_SSTHRESH, - max(tp->snd_cwnd >> 1, tp->snd_ssthresh)); - if (!dst_metric_locked(dst, RTAX_CWND)) - dst_metric_set(dst, RTAX_CWND, - (dst_metric(dst, RTAX_CWND) + - tp->snd_cwnd) >> 1); - } else { - /* Else slow start did not finish, cwnd is non-sense, - ssthresh may be also invalid. - */ - if (!dst_metric_locked(dst, RTAX_CWND)) - dst_metric_set(dst, RTAX_CWND, - (dst_metric(dst, RTAX_CWND) + - tp->snd_ssthresh) >> 1); - if (dst_metric(dst, RTAX_SSTHRESH) && - !dst_metric_locked(dst, RTAX_SSTHRESH) && - tp->snd_ssthresh > dst_metric(dst, RTAX_SSTHRESH)) - dst_metric_set(dst, RTAX_SSTHRESH, tp->snd_ssthresh); - } - - if (!dst_metric_locked(dst, RTAX_REORDERING)) { - if (dst_metric(dst, RTAX_REORDERING) < tp->reordering && - tp->reordering != sysctl_tcp_reordering) - dst_metric_set(dst, RTAX_REORDERING, tp->reordering); - } - } -} - __u32 tcp_init_cwnd(const struct tcp_sock *tp, const struct dst_entry *dst) { __u32 cwnd = (dst ? dst_metric(dst, RTAX_INITCWND) : 0); @@ -867,7 +763,7 @@ void tcp_enter_cwr(struct sock *sk, const int set_ssthresh) * Packet counting of FACK is based on in-order assumptions, therefore TCP * disables it when reordering is detected */ -static void tcp_disable_fack(struct tcp_sock *tp) +void tcp_disable_fack(struct tcp_sock *tp) { /* RFC3517 uses different metric in lost marker => reset on change */ if (tcp_is_fack(tp)) @@ -881,86 +777,6 @@ static void tcp_dsack_seen(struct tcp_sock *tp) tp->rx_opt.sack_ok |= TCP_DSACK_SEEN; } -/* Initialize metrics on socket. */ - -static void tcp_init_metrics(struct sock *sk) -{ - struct tcp_sock *tp = tcp_sk(sk); - struct dst_entry *dst = __sk_dst_get(sk); - - if (dst == NULL) - goto reset; - - dst_confirm(dst); - - if (dst_metric_locked(dst, RTAX_CWND)) - tp->snd_cwnd_clamp = dst_metric(dst, RTAX_CWND); - if (dst_metric(dst, RTAX_SSTHRESH)) { - tp->snd_ssthresh = dst_metric(dst, RTAX_SSTHRESH); - if (tp->snd_ssthresh > tp->snd_cwnd_clamp) - tp->snd_ssthresh = tp->snd_cwnd_clamp; - } else { - /* ssthresh may have been reduced unnecessarily during. - * 3WHS. Restore it back to its initial default. - */ - tp->snd_ssthresh = TCP_INFINITE_SSTHRESH; - } - if (dst_metric(dst, RTAX_REORDERING) && - tp->reordering != dst_metric(dst, RTAX_REORDERING)) { - tcp_disable_fack(tp); - tcp_disable_early_retrans(tp); - tp->reordering = dst_metric(dst, RTAX_REORDERING); - } - - if (dst_metric(dst, RTAX_RTT) == 0 || tp->srtt == 0) - goto reset; - - /* Initial rtt is determined from SYN,SYN-ACK. - * The segment is small and rtt may appear much - * less than real one. Use per-dst memory - * to make it more realistic. - * - * A bit of theory. RTT is time passed after "normal" sized packet - * is sent until it is ACKed. In normal circumstances sending small - * packets force peer to delay ACKs and calculation is correct too. - * The algorithm is adaptive and, provided we follow specs, it - * NEVER underestimate RTT. BUT! If peer tries to make some clever - * tricks sort of "quick acks" for time long enough to decrease RTT - * to low value, and then abruptly stops to do it and starts to delay - * ACKs, wait for troubles. - */ - if (dst_metric_rtt(dst, RTAX_RTT) > tp->srtt) { - tp->srtt = dst_metric_rtt(dst, RTAX_RTT); - tp->rtt_seq = tp->snd_nxt; - } - if (dst_metric_rtt(dst, RTAX_RTTVAR) > tp->mdev) { - tp->mdev = dst_metric_rtt(dst, RTAX_RTTVAR); - tp->mdev_max = tp->rttvar = max(tp->mdev, tcp_rto_min(sk)); - } - tcp_set_rto(sk); -reset: - if (tp->srtt == 0) { - /* RFC6298: 5.7 We've failed to get a valid RTT sample from - * 3WHS. This is most likely due to retransmission, - * including spurious one. Reset the RTO back to 3secs - * from the more aggressive 1sec to avoid more spurious - * retransmission. - */ - tp->mdev = tp->mdev_max = tp->rttvar = TCP_TIMEOUT_FALLBACK; - inet_csk(sk)->icsk_rto = TCP_TIMEOUT_FALLBACK; - } - /* Cut cwnd down to 1 per RFC5681 if SYN or SYN-ACK has been - * retransmitted. In light of RFC6298 more aggressive 1sec - * initRTO, we only reset cwnd when more than 1 SYN/SYN-ACK - * retransmission has occurred. - */ - if (tp->total_retrans > 1) - tp->snd_cwnd = 1; - else - tp->snd_cwnd = tcp_init_cwnd(tp, dst); - tp->snd_cwnd_stamp = tcp_time_stamp; -} - static void tcp_update_reordering(struct sock *sk, const int metric, const int ts) { diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 64568fa21d0..ddefd39ac0c 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -209,22 +209,8 @@ int tcp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) } if (tcp_death_row.sysctl_tw_recycle && - !tp->rx_opt.ts_recent_stamp && fl4->daddr == daddr) { - struct inet_peer *peer = rt_get_peer(rt, fl4->daddr); - /* - * VJ's idea. We save last timestamp seen from - * the destination in peer table, when entering state - * TIME-WAIT * and initialize rx_opt.ts_recent from it, - * when trying new connection. - */ - if (peer) { - inet_peer_refcheck(peer); - if ((u32)get_seconds() - peer->tcp_ts_stamp <= TCP_PAWS_MSL) { - tp->rx_opt.ts_recent_stamp = peer->tcp_ts_stamp; - tp->rx_opt.ts_recent = peer->tcp_ts; - } - } - } + !tp->rx_opt.ts_recent_stamp && fl4->daddr == daddr) + tcp_fetch_timewait_stamp(sk, &rt->dst); inet->inet_dport = usin->sin_port; inet->inet_daddr = daddr; @@ -1375,7 +1361,6 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) isn = cookie_v4_init_sequence(sk, skb, &req->mss); req->cookie_ts = tmp_opt.tstamp_ok; } else if (!isn) { - struct inet_peer *peer = NULL; struct flowi4 fl4; /* VJ's idea. We save last timestamp seen @@ -1390,12 +1375,8 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) if (tmp_opt.saw_tstamp && tcp_death_row.sysctl_tw_recycle && (dst = inet_csk_route_req(sk, &fl4, req, want_cookie)) != NULL && - fl4.daddr == saddr && - (peer = rt_get_peer((struct rtable *)dst, fl4.daddr)) != NULL) { - inet_peer_refcheck(peer); - if ((u32)get_seconds() - peer->tcp_ts_stamp < TCP_PAWS_MSL && - (s32)(peer->tcp_ts - req->ts_recent) > - TCP_PAWS_WINDOW) { + fl4.daddr == saddr) { + if (!tcp_peer_is_proven(req, dst, true)) { NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_PAWSPASSIVEREJECTED); goto drop_and_release; } @@ -1404,8 +1385,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) else if (!sysctl_tcp_syncookies && (sysctl_max_syn_backlog - inet_csk_reqsk_queue_len(sk) < (sysctl_max_syn_backlog >> 2)) && - (!peer || !peer->tcp_ts_stamp) && - (!dst || !dst_metric(dst, RTAX_RTT))) { + !tcp_peer_is_proven(req, dst, false)) { /* Without syncookies last quarter of * backlog is filled with destinations, * proven to be alive. @@ -1867,21 +1847,6 @@ do_time_wait: goto discard_it; } -struct inet_peer *tcp_v4_get_peer(struct sock *sk) -{ - struct rtable *rt = (struct rtable *) __sk_dst_get(sk); - struct inet_sock *inet = inet_sk(sk); - - /* If we don't have a valid cached route, or we're doing IP - * options which make the IPv4 header destination address - * different from our peer's, do not bother with this. - */ - if (!rt || inet->cork.fl.u.ip4.daddr != inet->inet_daddr) - return NULL; - return rt_get_peer_create(rt, inet->inet_daddr); -} -EXPORT_SYMBOL(tcp_v4_get_peer); - static struct timewait_sock_ops tcp_timewait_sock_ops = { .twsk_obj_size = sizeof(struct tcp_timewait_sock), .twsk_unique = tcp_twsk_unique, @@ -1894,7 +1859,6 @@ const struct inet_connection_sock_af_ops ipv4_specific = { .rebuild_header = inet_sk_rebuild_header, .conn_request = tcp_v4_conn_request, .syn_recv_sock = tcp_v4_syn_recv_sock, - .get_peer = tcp_v4_get_peer, .net_header_len = sizeof(struct iphdr), .setsockopt = ip_setsockopt, .getsockopt = ip_getsockopt, diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c new file mode 100644 index 00000000000..1fd83d3118f --- /dev/null +++ b/net/ipv4/tcp_metrics.c @@ -0,0 +1,697 @@ +#include <linux/rcupdate.h> +#include <linux/spinlock.h> +#include <linux/jiffies.h> +#include <linux/bootmem.h> +#include <linux/module.h> +#include <linux/cache.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/tcp.h> + +#include <net/inet_connection_sock.h> +#include <net/net_namespace.h> +#include <net/request_sock.h> +#include <net/inetpeer.h> +#include <net/sock.h> +#include <net/ipv6.h> +#include <net/dst.h> +#include <net/tcp.h> + +int sysctl_tcp_nometrics_save __read_mostly; + +enum tcp_metric_index { + TCP_METRIC_RTT, + TCP_METRIC_RTTVAR, + TCP_METRIC_SSTHRESH, + TCP_METRIC_CWND, + TCP_METRIC_REORDERING, + + /* Always last. */ + TCP_METRIC_MAX, +}; + +struct tcp_metrics_block { + struct tcp_metrics_block __rcu *tcpm_next; + struct inetpeer_addr tcpm_addr; + unsigned long tcpm_stamp; + u32 tcpm_ts; + u32 tcpm_ts_stamp; + u32 tcpm_lock; + u32 tcpm_vals[TCP_METRIC_MAX]; +}; + +static bool tcp_metric_locked(struct tcp_metrics_block *tm, + enum tcp_metric_index idx) +{ + return tm->tcpm_lock & (1 << idx); +} + +static u32 tcp_metric_get(struct tcp_metrics_block *tm, + enum tcp_metric_index idx) +{ + return tm->tcpm_vals[idx]; +} + +static u32 tcp_metric_get_jiffies(struct tcp_metrics_block *tm, + enum tcp_metric_index idx) +{ + return msecs_to_jiffies(tm->tcpm_vals[idx]); +} + +static void tcp_metric_set(struct tcp_metrics_block *tm, + enum tcp_metric_index idx, + u32 val) +{ + tm->tcpm_vals[idx] = val; +} + +static void tcp_metric_set_msecs(struct tcp_metrics_block *tm, + enum tcp_metric_index idx, + u32 val) +{ + tm->tcpm_vals[idx] = jiffies_to_msecs(val); +} + +static bool addr_same(const struct inetpeer_addr *a, + const struct inetpeer_addr *b) +{ + const struct in6_addr *a6, *b6; + + if (a->family != b->family) + return false; + if (a->family == AF_INET) + return a->addr.a4 == b->addr.a4; + + a6 = (const struct in6_addr *) &a->addr.a6[0]; + b6 = (const struct in6_addr *) &b->addr.a6[0]; + + return ipv6_addr_equal(a6, b6); +} + +struct tcpm_hash_bucket { + struct tcp_metrics_block __rcu *chain; +}; + +static DEFINE_SPINLOCK(tcp_metrics_lock); + +static void tcpm_suck_dst(struct tcp_metrics_block *tm, struct dst_entry *dst) +{ + u32 val; + + val = 0; + if (dst_metric_locked(dst, RTAX_RTT)) + val |= 1 << TCP_METRIC_RTT; + if (dst_metric_locked(dst, RTAX_RTTVAR)) + val |= 1 << TCP_METRIC_RTTVAR; + if (dst_metric_locked(dst, RTAX_SSTHRESH)) + val |= 1 << TCP_METRIC_SSTHRESH; + if (dst_metric_locked(dst, RTAX_CWND)) + val |= 1 << TCP_METRIC_CWND; + if (dst_metric_locked(dst, RTAX_REORDERING)) + val |= 1 << TCP_METRIC_REORDERING; + tm->tcpm_lock = val; + + tm->tcpm_vals[TCP_METRIC_RTT] = dst_metric_raw(dst, RTAX_RTT); + tm->tcpm_vals[TCP_METRIC_RTTVAR] = dst_metric_raw(dst, RTAX_RTTVAR); + tm->tcpm_vals[TCP_METRIC_SSTHRESH] = dst_metric_raw(dst, RTAX_SSTHRESH); + tm->tcpm_vals[TCP_METRIC_CWND] = dst_metric_raw(dst, RTAX_CWND); + tm->tcpm_vals[TCP_METRIC_REORDERING] = dst_metric_raw(dst, RTAX_REORDERING); + tm->tcpm_ts = 0; + tm->tcpm_ts_stamp = 0; +} + +static struct tcp_metrics_block *tcpm_new(struct dst_entry *dst, + struct inetpeer_addr *addr, + unsigned int hash, + bool reclaim) +{ + struct tcp_metrics_block *tm; + struct net *net; + + spin_lock_bh(&tcp_metrics_lock); + net = dev_net(dst->dev); + if (unlikely(reclaim)) { + struct tcp_metrics_block *oldest; + + oldest = rcu_dereference(net->ipv4.tcp_metrics_hash[hash].chain); + for (tm = rcu_dereference(oldest->tcpm_next); tm; + tm = rcu_dereference(tm->tcpm_next)) { + if (time_before(tm->tcpm_stamp, oldest->tcpm_stamp)) + oldest = tm; + } + tm = oldest; + } else { + tm = kmalloc(sizeof(*tm), GFP_ATOMIC); + if (!tm) + goto out_unlock; + } + tm->tcpm_addr = *addr; + tm->tcpm_stamp = jiffies; + + tcpm_suck_dst(tm, dst); + + if (likely(!reclaim)) { + tm->tcpm_next = net->ipv4.tcp_metrics_hash[hash].chain; + rcu_assign_pointer(net->ipv4.tcp_metrics_hash[hash].chain, tm); + } + +out_unlock: + spin_unlock_bh(&tcp_metrics_lock); + return tm; +} + +#define TCP_METRICS_TIMEOUT (60 * 60 * HZ) + +static void tcpm_check_stamp(struct tcp_metrics_block *tm, struct dst_entry *dst) +{ + if (tm && unlikely(time_after(jiffies, tm->tcpm_stamp + TCP_METRICS_TIMEOUT))) + tcpm_suck_dst(tm, dst); +} + +#define TCP_METRICS_RECLAIM_DEPTH 5 +#define TCP_METRICS_RECLAIM_PTR (struct tcp_metrics_block *) 0x1UL + +static struct tcp_metrics_block *tcp_get_encode(struct tcp_metrics_block *tm, int depth) +{ + if (tm) + return tm; + if (depth > TCP_METRICS_RECLAIM_DEPTH) + return TCP_METRICS_RECLAIM_PTR; + return NULL; +} + +static struct tcp_metrics_block *__tcp_get_metrics(const struct inetpeer_addr *addr, + struct net *net, unsigned int hash) +{ + struct tcp_metrics_block *tm; + int depth = 0; + + for (tm = rcu_dereference(net->ipv4.tcp_metrics_hash[hash].chain); tm; + tm = rcu_dereference(tm->tcpm_next)) { + if (addr_same(&tm->tcpm_addr, addr)) + break; + depth++; + } + return tcp_get_encode(tm, depth); +} + +static struct tcp_metrics_block *__tcp_get_metrics_req(struct request_sock *req, + struct dst_entry *dst) +{ + struct tcp_metrics_block *tm; + struct inetpeer_addr addr; + unsigned int hash; + struct net *net; + + addr.family = req->rsk_ops->family; + switch (addr.family) { + case AF_INET: + addr.addr.a4 = inet_rsk(req)->rmt_addr; + hash = (__force unsigned int) addr.addr.a4; + break; + case AF_INET6: + *(struct in6_addr *)addr.addr.a6 = inet6_rsk(req)->rmt_addr; + hash = ((__force unsigned int) addr.addr.a6[0] ^ + (__force unsigned int) addr.addr.a6[1] ^ + (__force unsigned int) addr.addr.a6[2] ^ + (__force unsigned int) addr.addr.a6[3]); + break; + default: + return NULL; + } + + hash ^= (hash >> 24) ^ (hash >> 16) ^ (hash >> 8); + + net = dev_net(dst->dev); + hash &= net->ipv4.tcp_metrics_hash_mask; + + for (tm = rcu_dereference(net->ipv4.tcp_metrics_hash[hash].chain); tm; + tm = rcu_dereference(tm->tcpm_next)) { + if (addr_same(&tm->tcpm_addr, &addr)) + break; + } + tcpm_check_stamp(tm, dst); + return tm; +} + +static struct tcp_metrics_block *__tcp_get_metrics_tw(struct inet_timewait_sock *tw) +{ + struct inet6_timewait_sock *tw6; + struct tcp_metrics_block *tm; + struct inetpeer_addr addr; + unsigned int hash; + struct net *net; + + addr.family = tw->tw_family; + switch (addr.family) { + case AF_INET: + addr.addr.a4 = tw->tw_daddr; + hash = (__force unsigned int) addr.addr.a4; + break; + case AF_INET6: + tw6 = inet6_twsk((struct sock *)tw); + *(struct in6_addr *)addr.addr.a6 = tw6->tw_v6_daddr; + hash = ((__force unsigned int) addr.addr.a6[0] ^ + (__force unsigned int) addr.addr.a6[1] ^ + (__force unsigned int) addr.addr.a6[2] ^ + (__force unsigned int) addr.addr.a6[3]); + break; + default: + return NULL; + } + + hash ^= (hash >> 24) ^ (hash >> 16) ^ (hash >> 8); + + net = twsk_net(tw); + hash &= net->ipv4.tcp_metrics_hash_mask; + + for (tm = rcu_dereference(net->ipv4.tcp_metrics_hash[hash].chain); tm; + tm = rcu_dereference(tm->tcpm_next)) { + if (addr_same(&tm->tcpm_addr, &addr)) + break; + } + return tm; +} + +static struct tcp_metrics_block *tcp_get_metrics(struct sock *sk, + struct dst_entry *dst, + bool create) +{ + struct tcp_metrics_block *tm; + struct inetpeer_addr addr; + unsigned int hash; + struct net *net; + bool reclaim; + + addr.family = sk->sk_family; + switch (addr.family) { + case AF_INET: + addr.addr.a4 = inet_sk(sk)->inet_daddr; + hash = (__force unsigned int) addr.addr.a4; + break; + case AF_INET6: + *(struct in6_addr *)addr.addr.a6 = inet6_sk(sk)->daddr; + hash = ((__force unsigned int) addr.addr.a6[0] ^ + (__force unsigned int) addr.addr.a6[1] ^ + (__force unsigned int) addr.addr.a6[2] ^ + (__force unsigned int) addr.addr.a6[3]); + break; + default: + return NULL; + } + + hash ^= (hash >> 24) ^ (hash >> 16) ^ (hash >> 8); + + net = dev_net(dst->dev); + hash &= net->ipv4.tcp_metrics_hash_mask; + + tm = __tcp_get_metrics(&addr, net, hash); + reclaim = false; + if (tm == TCP_METRICS_RECLAIM_PTR) { + reclaim = true; + tm = NULL; + } + if (!tm && create) + tm = tcpm_new(dst, &addr, hash, reclaim); + else + tcpm_check_stamp(tm, dst); + + return tm; +} + +/* Save metrics learned by this TCP session. This function is called + * only, when TCP finishes successfully i.e. when it enters TIME-WAIT + * or goes from LAST-ACK to CLOSE. + */ +void tcp_update_metrics(struct sock *sk) +{ + const struct inet_connection_sock *icsk = inet_csk(sk); + struct dst_entry *dst = __sk_dst_get(sk); + struct tcp_sock *tp = tcp_sk(sk); + struct tcp_metrics_block *tm; + unsigned long rtt; + u32 val; + int m; + + if (sysctl_tcp_nometrics_save || !dst) + return; + + if (dst->flags & DST_HOST) + dst_confirm(dst); + + rcu_read_lock(); + if (icsk->icsk_backoff || !tp->srtt) { + /* This session failed to estimate rtt. Why? + * Probably, no packets returned in time. Reset our + * results. + */ + tm = tcp_get_metrics(sk, dst, false); + if (tm && !tcp_metric_locked(tm, TCP_METRIC_RTT)) + tcp_metric_set(tm, TCP_METRIC_RTT, 0); + goto out_unlock; + } else + tm = tcp_get_metrics(sk, dst, true); + + if (!tm) + goto out_unlock; + + rtt = tcp_metric_get_jiffies(tm, TCP_METRIC_RTT); + m = rtt - tp->srtt; + + /* If newly calculated rtt larger than stored one, store new + * one. Otherwise, use EWMA. Remember, rtt overestimation is + * always better than underestimation. + */ + if (!tcp_metric_locked(tm, TCP_METRIC_RTT)) { + if (m <= 0) + rtt = tp->srtt; + else + rtt -= (m >> 3); + tcp_metric_set_msecs(tm, TCP_METRIC_RTT, rtt); + } + + if (!tcp_metric_locked(tm, TCP_METRIC_RTTVAR)) { + unsigned long var; + + if (m < 0) + m = -m; + + /* Scale deviation to rttvar fixed point */ + m >>= 1; + if (m < tp->mdev) + m = tp->mdev; + + var = tcp_metric_get_jiffies(tm, TCP_METRIC_RTTVAR); + if (m >= var) + var = m; + else + var -= (var - m) >> 2; + + tcp_metric_set_msecs(tm, TCP_METRIC_RTTVAR, var); + } + + if (tcp_in_initial_slowstart(tp)) { + /* Slow start still did not finish. */ + if (!tcp_metric_locked(tm, TCP_METRIC_SSTHRESH)) { + val = tcp_metric_get(tm, TCP_METRIC_SSTHRESH); + if (val && (tp->snd_cwnd >> 1) > val) + tcp_metric_set(tm, TCP_METRIC_SSTHRESH, + tp->snd_cwnd >> 1); + } + if (!tcp_metric_locked(tm, TCP_METRIC_CWND)) { + val = tcp_metric_get(tm, TCP_METRIC_CWND); + if (tp->snd_cwnd > val) + tcp_metric_set(tm, TCP_METRIC_CWND, + tp->snd_cwnd); + } + } else if (tp->snd_cwnd > tp->snd_ssthresh && + icsk->icsk_ca_state == TCP_CA_Open) { + /* Cong. avoidance phase, cwnd is reliable. */ + if (!tcp_metric_locked(tm, TCP_METRIC_SSTHRESH)) + tcp_metric_set(tm, TCP_METRIC_SSTHRESH, + max(tp->snd_cwnd >> 1, tp->snd_ssthresh)); + if (!tcp_metric_locked(tm, TCP_METRIC_CWND)) { + val = tcp_metric_get(tm, TCP_METRIC_CWND); + tcp_metric_set(tm, RTAX_CWND, (val + tp->snd_cwnd) >> 1); + } + } else { + /* Else slow start did not finish, cwnd is non-sense, + * ssthresh may be also invalid. + */ + if (!tcp_metric_locked(tm, TCP_METRIC_CWND)) { + val = tcp_metric_get(tm, TCP_METRIC_CWND); + tcp_metric_set(tm, TCP_METRIC_CWND, + (val + tp->snd_ssthresh) >> 1); + } + if (!tcp_metric_locked(tm, TCP_METRIC_SSTHRESH)) { + val = tcp_metric_get(tm, TCP_METRIC_SSTHRESH); + if (val && tp->snd_ssthresh > val) + tcp_metric_set(tm, TCP_METRIC_SSTHRESH, + tp->snd_ssthresh); + } + if (!tcp_metric_locked(tm, TCP_METRIC_REORDERING)) { + val = tcp_metric_get(tm, TCP_METRIC_REORDERING); + if (val < tp->reordering && + tp->reordering != sysctl_tcp_reordering) + tcp_metric_set(tm, TCP_METRIC_REORDERING, + tp->reordering); + } + } + tm->tcpm_stamp = jiffies; +out_unlock: + rcu_read_unlock(); +} + +/* Initialize metrics on socket. */ + +void tcp_init_metrics(struct sock *sk) +{ + struct dst_entry *dst = __sk_dst_get(sk); + struct tcp_sock *tp = tcp_sk(sk); + struct tcp_metrics_block *tm; + u32 val; + + if (dst == NULL) + goto reset; + + dst_confirm(dst); + + rcu_read_lock(); + tm = tcp_get_metrics(sk, dst, true); + if (!tm) { + rcu_read_unlock(); + goto reset; + } + + if (tcp_metric_locked(tm, TCP_METRIC_CWND)) + tp->snd_cwnd_clamp = tcp_metric_get(tm, TCP_METRIC_CWND); + + val = tcp_metric_get(tm, TCP_METRIC_SSTHRESH); + if (val) { + tp->snd_ssthresh = val; + if (tp->snd_ssthresh > tp->snd_cwnd_clamp) + tp->snd_ssthresh = tp->snd_cwnd_clamp; + } else { + /* ssthresh may have been reduced unnecessarily during. + * 3WHS. Restore it back to its initial default. + */ + tp->snd_ssthresh = TCP_INFINITE_SSTHRESH; + } + val = tcp_metric_get(tm, TCP_METRIC_REORDERING); + if (val && tp->reordering != val) { + tcp_disable_fack(tp); + tcp_disable_early_retrans(tp); + tp->reordering = val; + } + + val = tcp_metric_get(tm, TCP_METRIC_RTT); + if (val == 0 || tp->srtt == 0) { + rcu_read_unlock(); + goto reset; + } + /* Initial rtt is determined from SYN,SYN-ACK. + * The segment is small and rtt may appear much + * less than real one. Use per-dst memory + * to make it more realistic. + * + * A bit of theory. RTT is time passed after "normal" sized packet + * is sent until it is ACKed. In normal circumstances sending small + * packets force peer to delay ACKs and calculation is correct too. + * The algorithm is adaptive and, provided we follow specs, it + * NEVER underestimate RTT. BUT! If peer tries to make some clever + * tricks sort of "quick acks" for time long enough to decrease RTT + * to low value, and then abruptly stops to do it and starts to delay + * ACKs, wait for troubles. + */ + val = msecs_to_jiffies(val); + if (val > tp->srtt) { + tp->srtt = val; + tp->rtt_seq = tp->snd_nxt; + } + val = tcp_metric_get_jiffies(tm, TCP_METRIC_RTTVAR); + if (val > tp->mdev) { + tp->mdev = val; + tp->mdev_max = tp->rttvar = max(tp->mdev, tcp_rto_min(sk)); + } + rcu_read_unlock(); + + tcp_set_rto(sk); +reset: + if (tp->srtt == 0) { + /* RFC6298: 5.7 We've failed to get a valid RTT sample from + * 3WHS. This is most likely due to retransmission, + * including spurious one. Reset the RTO back to 3secs + * from the more aggressive 1sec to avoid more spurious + * retransmission. + */ + tp->mdev = tp->mdev_max = tp->rttvar = TCP_TIMEOUT_FALLBACK; + inet_csk(sk)->icsk_rto = TCP_TIMEOUT_FALLBACK; + } + /* Cut cwnd down to 1 per RFC5681 if SYN or SYN-ACK has been + * retransmitted. In light of RFC6298 more aggressive 1sec + * initRTO, we only reset cwnd when more than 1 SYN/SYN-ACK + * retransmission has occurred. + */ + if (tp->total_retrans > 1) + tp->snd_cwnd = 1; + else + tp->snd_cwnd = tcp_init_cwnd(tp, dst); + tp->snd_cwnd_stamp = tcp_time_stamp; +} + +bool tcp_peer_is_proven(struct request_sock *req, struct dst_entry *dst, bool paws_check) +{ + struct tcp_metrics_block *tm; + bool ret; + + if (!dst) + return false; + + rcu_read_lock(); + tm = __tcp_get_metrics_req(req, dst); + if (paws_check) { + if (tm && + (u32)get_seconds() - tm->tcpm_ts_stamp < TCP_PAWS_MSL && + (s32)(tm->tcpm_ts - req->ts_recent) > TCP_PAWS_WINDOW) + ret = false; + else + ret = true; + } else { + if (tm && tcp_metric_get(tm, TCP_METRIC_RTT) && tm->tcpm_ts_stamp) + ret = true; + else + ret = false; + } + rcu_read_unlock(); + + return ret; +} +EXPORT_SYMBOL_GPL(tcp_peer_is_proven); + +void tcp_fetch_timewait_stamp(struct sock *sk, struct dst_entry *dst) +{ + struct tcp_metrics_block *tm; + + rcu_read_lock(); + tm = tcp_get_metrics(sk, dst, true); + if (tm) { + struct tcp_sock *tp = tcp_sk(sk); + + if ((u32)get_seconds() - tm->tcpm_ts_stamp <= TCP_PAWS_MSL) { + tp->rx_opt.ts_recent_stamp = tm->tcpm_ts_stamp; + tp->rx_opt.ts_recent = tm->tcpm_ts; + } + } + rcu_read_unlock(); +} +EXPORT_SYMBOL_GPL(tcp_fetch_timewait_stamp); + +/* VJ's idea. Save last timestamp seen from this destination and hold + * it at least for normal timewait interval to use for duplicate + * segment detection in subsequent connections, before they enter + * synchronized state. + */ +bool tcp_remember_stamp(struct sock *sk) +{ + struct dst_entry *dst = __sk_dst_get(sk); + bool ret = false; + + if (dst) { + struct tcp_metrics_block *tm; + + rcu_read_lock(); + tm = tcp_get_metrics(sk, dst, true); + if (tm) { + struct tcp_sock *tp = tcp_sk(sk); + + if ((s32)(tm->tcpm_ts - tp->rx_opt.ts_recent) <= 0 || + ((u32)get_seconds() - tm->tcpm_ts_stamp > TCP_PAWS_MSL && + tm->tcpm_ts_stamp <= (u32)tp->rx_opt.ts_recent_stamp)) { + tm->tcpm_ts_stamp = (u32)tp->rx_opt.ts_recent_stamp; + tm->tcpm_ts = tp->rx_opt.ts_recent; + } + ret = true; + } + rcu_read_unlock(); + } + return ret; +} + +bool tcp_tw_remember_stamp(struct inet_timewait_sock *tw) +{ + struct tcp_metrics_block *tm; + bool ret = false; + + rcu_read_lock(); + tm = __tcp_get_metrics_tw(tw); + if (tw) { + const struct tcp_timewait_sock *tcptw; + struct sock *sk = (struct sock *) tw; + + tcptw = tcp_twsk(sk); + if ((s32)(tm->tcpm_ts - tcptw->tw_ts_recent) <= 0 || + ((u32)get_seconds() - tm->tcpm_ts_stamp > TCP_PAWS_MSL && + tm->tcpm_ts_stamp <= (u32)tcptw->tw_ts_recent_stamp)) { + tm->tcpm_ts_stamp = (u32)tcptw->tw_ts_recent_stamp; + tm->tcpm_ts = tcptw->tw_ts_recent; + } + ret = true; + } + rcu_read_unlock(); + + return ret; +} + +static unsigned long tcpmhash_entries; +static int __init set_tcpmhash_entries(char *str) +{ + ssize_t ret; + + if (!str) + return 0; + + ret = kstrtoul(str, 0, &tcpmhash_entries); + if (ret) + return 0; + + return 1; +} +__setup("tcpmhash_entries=", set_tcpmhash_entries); + +static int __net_init tcp_net_metrics_init(struct net *net) +{ + int slots, size; + + slots = tcpmhash_entries; + if (!slots) { + if (totalram_pages >= 128 * 1024) + slots = 16 * 1024; + else + slots = 8 * 1024; + } + + size = slots * sizeof(struct tcpm_hash_bucket); + + net->ipv4.tcp_metrics_hash = kzalloc(size, GFP_KERNEL); + if (!net->ipv4.tcp_metrics_hash) + return -ENOMEM; + + net->ipv4.tcp_metrics_hash_mask = (slots - 1); + + return 0; +} + +static void __net_exit tcp_net_metrics_exit(struct net *net) +{ + kfree(net->ipv4.tcp_metrics_hash); +} + +static __net_initdata struct pernet_operations tcp_net_metrics_ops = { + .init = tcp_net_metrics_init, + .exit = tcp_net_metrics_exit, +}; + +void __init tcp_metrics_init(void) +{ + register_pernet_subsys(&tcp_net_metrics_ops); +} diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c index 72b7c63b1a3..65608863fde 100644 --- a/net/ipv4/tcp_minisocks.c +++ b/net/ipv4/tcp_minisocks.c @@ -49,52 +49,6 @@ struct inet_timewait_death_row tcp_death_row = { }; EXPORT_SYMBOL_GPL(tcp_death_row); -/* VJ's idea. Save last timestamp seen from this destination - * and hold it at least for normal timewait interval to use for duplicate - * segment detection in subsequent connections, before they enter synchronized - * state. - */ - -static bool tcp_remember_stamp(struct sock *sk) -{ - const struct inet_connection_sock *icsk = inet_csk(sk); - struct tcp_sock *tp = tcp_sk(sk); - struct inet_peer *peer; - - peer = icsk->icsk_af_ops->get_peer(sk); - if (peer) { - if ((s32)(peer->tcp_ts - tp->rx_opt.ts_recent) <= 0 || - ((u32)get_seconds() - peer->tcp_ts_stamp > TCP_PAWS_MSL && - peer->tcp_ts_stamp <= (u32)tp->rx_opt.ts_recent_stamp)) { - peer->tcp_ts_stamp = (u32)tp->rx_opt.ts_recent_stamp; - peer->tcp_ts = tp->rx_opt.ts_recent; - } - return true; - } - - return false; -} - -static bool tcp_tw_remember_stamp(struct inet_timewait_sock *tw) -{ - const struct tcp_timewait_sock *tcptw; - struct sock *sk = (struct sock *) tw; - struct inet_peer *peer; - - tcptw = tcp_twsk(sk); - peer = tcptw->tw_peer; - if (peer) { - if ((s32)(peer->tcp_ts - tcptw->tw_ts_recent) <= 0 || - ((u32)get_seconds() - peer->tcp_ts_stamp > TCP_PAWS_MSL && - peer->tcp_ts_stamp <= (u32)tcptw->tw_ts_recent_stamp)) { - peer->tcp_ts_stamp = (u32)tcptw->tw_ts_recent_stamp; - peer->tcp_ts = tcptw->tw_ts_recent; - } - return true; - } - return false; -} - static bool tcp_in_window(u32 seq, u32 end_seq, u32 s_win, u32 e_win) { if (seq == s_win) @@ -313,12 +267,9 @@ void tcp_time_wait(struct sock *sk, int state, int timeo) const struct inet_connection_sock *icsk = inet_csk(sk); const struct tcp_sock *tp = tcp_sk(sk); bool recycle_ok = false; - bool recycle_on = false; - if (tcp_death_row.sysctl_tw_recycle && tp->rx_opt.ts_recent_stamp) { + if (tcp_death_row.sysctl_tw_recycle && tp->rx_opt.ts_recent_stamp) recycle_ok = tcp_remember_stamp(sk); - recycle_on = true; - } if (tcp_death_row.tw_count < tcp_death_row.sysctl_max_tw_buckets) tw = inet_twsk_alloc(sk, state); @@ -327,7 +278,6 @@ void tcp_time_wait(struct sock *sk, int state, int timeo) struct tcp_timewait_sock *tcptw = tcp_twsk((struct sock *)tw); const int rto = (icsk->icsk_rto << 2) - (icsk->icsk_rto >> 1); struct inet_sock *inet = inet_sk(sk); - struct inet_peer *peer = NULL; tw->tw_transparent = inet->transparent; tw->tw_rcv_wscale = tp->rx_opt.rcv_wscale; @@ -351,12 +301,6 @@ void tcp_time_wait(struct sock *sk, int state, int timeo) } #endif - if (recycle_on) - peer = icsk->icsk_af_ops->get_peer(sk); - tcptw->tw_peer = peer; - if (peer) - atomic_inc(&peer->refcnt); - #ifdef CONFIG_TCP_MD5SIG /* * The timewait bucket does not have the key DB from the @@ -408,11 +352,9 @@ void tcp_time_wait(struct sock *sk, int state, int timeo) void tcp_twsk_destructor(struct sock *sk) { +#ifdef CONFIG_TCP_MD5SIG struct tcp_timewait_sock *twsk = tcp_twsk(sk); - if (twsk->tw_peer) - inet_putpeer(twsk->tw_peer); -#ifdef CONFIG_TCP_MD5SIG if (twsk->tw_md5_key) { tcp_free_md5sig_pool(); kfree_rcu(twsk->tw_md5_key, rcu); diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c index 9815ea0bca7..87d3fcc302d 100644 --- a/net/ipv4/xfrm4_policy.c +++ b/net/ipv4/xfrm4_policy.c @@ -90,8 +90,6 @@ static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev, xdst->u.dst.dev = dev; dev_hold(dev); - rt_transfer_peer(&xdst->u.rt, rt); - /* Sheit... I remember I did this right. Apparently, * it was magically lost, so this code needs audit */ xdst->u.rt.rt_flags = rt->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST | @@ -100,6 +98,7 @@ static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev, xdst->u.rt.rt_src = rt->rt_src; xdst->u.rt.rt_dst = rt->rt_dst; xdst->u.rt.rt_gateway = rt->rt_gateway; + xdst->u.rt.rt_pmtu = rt->rt_pmtu; return 0; } @@ -209,11 +208,6 @@ static void xfrm4_dst_destroy(struct dst_entry *dst) dst_destroy_metrics_generic(dst); - if (rt_has_peer(&xdst->u.rt)) { - struct inet_peer *peer = rt_peer_ptr(&xdst->u.rt); - inet_putpeer(peer); - } - xfrm_dst_destroy(xdst); } diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index c7da1422cbd..a113f7d7e93 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -194,8 +194,10 @@ static inline bool icmpv6_xrlim_allow(struct sock *sk, u8 type, if (rt->rt6i_dst.plen < 128) tmo >>= ((128 - rt->rt6i_dst.plen)>>5); - peer = rt6_get_peer_create(rt); + peer = inet_getpeer_v6(net->ipv6.peers, &rt->rt6i_dst.addr, 1); res = inet_peer_xrlim_allow(peer, tmo); + if (peer) + inet_putpeer(peer); } dst_release(dst); return res; diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index c6af5963a20..5b2d63ed793 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -466,13 +466,15 @@ int ip6_forward(struct sk_buff *skb) else target = &hdr->daddr; - peer = rt6_get_peer_create(rt); + peer = inet_getpeer_v6(net->ipv6.peers, &rt->rt6i_dst.addr, 1); /* Limit redirects both by destination (here) and by source (inside ndisc_send_redirect) */ if (inet_peer_xrlim_allow(peer, 1*HZ)) ndisc_send_redirect(skb, target); + if (peer) + inet_putpeer(peer); } else { int addrtype = ipv6_addr_type(&hdr->saddr); @@ -592,10 +594,14 @@ void ipv6_select_ident(struct frag_hdr *fhdr, struct rt6_info *rt) int old, new; if (rt && !(rt->dst.flags & DST_NOPEER)) { - struct inet_peer *peer = rt6_get_peer_create(rt); + struct inet_peer *peer; + struct net *net; + net = dev_net(rt->dst.dev); + peer = inet_getpeer_v6(net->ipv6.peers, &rt->rt6i_dst.addr, 1); if (peer) { fhdr->identification = htonl(inet_getid(peer, 0)); + inet_putpeer(peer); return; } } diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 04a3cba2c12..6af3fcfdcbb 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -252,7 +252,7 @@ static void ip6_dev_free(struct net_device *dev) } /** - * ip6_tnl_create() - create a new tunnel + * ip6_tnl_create - create a new tunnel * @p: tunnel parameters * @pt: pointer to new tunnel * diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index 69a6330dea9..0fddd571400 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -1486,6 +1486,7 @@ void ndisc_send_redirect(struct sk_buff *skb, const struct in6_addr *target) int rd_len; int err; u8 ha_buf[MAX_ADDR_LEN], *ha = NULL; + bool ret; if (ipv6_get_lladdr(dev, &saddr_buf, IFA_F_TENTATIVE)) { ND_PRINTK(2, warn, "Redirect: no link-local address on %s\n", @@ -1519,8 +1520,11 @@ void ndisc_send_redirect(struct sk_buff *skb, const struct in6_addr *target) "Redirect: destination is not a neighbour\n"); goto release; } - peer = rt6_get_peer_create(rt); - if (!inet_peer_xrlim_allow(peer, 1*HZ)) + peer = inet_getpeer_v6(net->ipv6.peers, &rt->rt6i_dst.addr, 1); + ret = inet_peer_xrlim_allow(peer, 1*HZ); + if (peer) + inet_putpeer(peer); + if (!ret) goto release; if (dev->addr_len) { diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 6cc6c881f54..563f12c1c99 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1093,7 +1093,7 @@ void ip6_update_pmtu(struct sk_buff *skb, struct net *net, __be32 mtu, memset(&fl6, 0, sizeof(fl6)); fl6.flowi6_oif = oif; fl6.flowi6_mark = mark; - fl6.flowi6_flags = FLOWI_FLAG_PRECOW_METRICS; + fl6.flowi6_flags = 0; fl6.daddr = iph->daddr; fl6.saddr = iph->saddr; fl6.flowlabel = (*(__be32 *) iph) & IPV6_FLOWINFO_MASK; @@ -2348,13 +2348,11 @@ static int rt6_fill_node(struct net *net, int iif, int type, u32 pid, u32 seq, int prefix, int nowait, unsigned int flags) { - const struct inet_peer *peer; struct rtmsg *rtm; struct nlmsghdr *nlh; long expires; u32 table; struct neighbour *n; - u32 ts, tsage; if (prefix) { /* user wants prefix routes only */ if (!(rt->rt6i_flags & RTF_PREFIX_RT)) { @@ -2473,17 +2471,7 @@ static int rt6_fill_node(struct net *net, else expires = INT_MAX; - peer = NULL; - if (rt6_has_peer(rt)) - peer = rt6_peer_ptr(rt); - ts = tsage = 0; - if (peer && peer->tcp_ts_stamp) { - ts = peer->tcp_ts; - tsage = get_seconds() - peer->tcp_ts_stamp; - } - - if (rtnl_put_cacheinfo(skb, &rt->dst, 0, ts, tsage, - expires, rt->dst.error) < 0) + if (rtnl_put_cacheinfo(skb, &rt->dst, 0, expires, rt->dst.error) < 0) goto nla_put_failure; return nlmsg_end(skb, nlh); diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 6cc67ed6c2e..61175cb2478 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -277,22 +277,8 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr, rt = (struct rt6_info *) dst; if (tcp_death_row.sysctl_tw_recycle && !tp->rx_opt.ts_recent_stamp && - ipv6_addr_equal(&rt->rt6i_dst.addr, &np->daddr)) { - struct inet_peer *peer = rt6_get_peer(rt); - /* - * VJ's idea. We save last timestamp seen from - * the destination in peer table, when entering state - * TIME-WAIT * and initialize rx_opt.ts_recent from it, - * when trying new connection. - */ - if (peer) { - inet_peer_refcheck(peer); - if ((u32)get_seconds() - peer->tcp_ts_stamp <= TCP_PAWS_MSL) { - tp->rx_opt.ts_recent_stamp = peer->tcp_ts_stamp; - tp->rx_opt.ts_recent = peer->tcp_ts; - } - } - } + ipv6_addr_equal(&rt->rt6i_dst.addr, &np->daddr)) + tcp_fetch_timewait_stamp(sk, dst); icsk->icsk_ext_hdr_len = 0; if (np->opt) @@ -1134,8 +1120,6 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb) treq->iif = inet6_iif(skb); if (!isn) { - struct inet_peer *peer = NULL; - if (ipv6_opt_accepted(sk, skb) || np->rxopt.bits.rxinfo || np->rxopt.bits.rxoinfo || np->rxopt.bits.rxhlim || np->rxopt.bits.rxohlim) { @@ -1160,14 +1144,8 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb) */ if (tmp_opt.saw_tstamp && tcp_death_row.sysctl_tw_recycle && - (dst = inet6_csk_route_req(sk, &fl6, req)) != NULL && - (peer = rt6_get_peer((struct rt6_info *)dst)) != NULL && - ipv6_addr_equal((struct in6_addr *)peer->daddr.addr.a6, - &treq->rmt_addr)) { - inet_peer_refcheck(peer); - if ((u32)get_seconds() - peer->tcp_ts_stamp < TCP_PAWS_MSL && - (s32)(peer->tcp_ts - req->ts_recent) > - TCP_PAWS_WINDOW) { + (dst = inet6_csk_route_req(sk, &fl6, req)) != NULL) { + if (!tcp_peer_is_proven(req, dst, true)) { NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_PAWSPASSIVEREJECTED); goto drop_and_release; } @@ -1176,8 +1154,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb) else if (!sysctl_tcp_syncookies && (sysctl_max_syn_backlog - inet_csk_reqsk_queue_len(sk) < (sysctl_max_syn_backlog >> 2)) && - (!peer || !peer->tcp_ts_stamp) && - (!dst || !dst_metric(dst, RTAX_RTT))) { + !tcp_peer_is_proven(req, dst, false)) { /* Without syncookies last quarter of * backlog is filled with destinations, * proven to be alive. @@ -1712,20 +1689,6 @@ do_time_wait: goto discard_it; } -static struct inet_peer *tcp_v6_get_peer(struct sock *sk) -{ - struct rt6_info *rt = (struct rt6_info *) __sk_dst_get(sk); - struct ipv6_pinfo *np = inet6_sk(sk); - - /* If we don't have a valid cached route, or we're doing IP - * options which make the IPv6 header destination address - * different from our peer's, do not bother with this. - */ - if (!rt || !ipv6_addr_equal(&np->daddr, &rt->rt6i_dst.addr)) - return NULL; - return rt6_get_peer_create(rt); -} - static struct timewait_sock_ops tcp6_timewait_sock_ops = { .twsk_obj_size = sizeof(struct tcp6_timewait_sock), .twsk_unique = tcp_twsk_unique, @@ -1738,7 +1701,6 @@ static const struct inet_connection_sock_af_ops ipv6_specific = { .rebuild_header = inet6_sk_rebuild_header, .conn_request = tcp_v6_conn_request, .syn_recv_sock = tcp_v6_syn_recv_sock, - .get_peer = tcp_v6_get_peer, .net_header_len = sizeof(struct ipv6hdr), .net_frag_header_len = sizeof(struct frag_hdr), .setsockopt = ipv6_setsockopt, @@ -1770,7 +1732,6 @@ static const struct inet_connection_sock_af_ops ipv6_mapped = { .rebuild_header = inet_sk_rebuild_header, .conn_request = tcp_v6_conn_request, .syn_recv_sock = tcp_v6_syn_recv_sock, - .get_peer = tcp_v4_get_peer, .net_header_len = sizeof(struct iphdr), .setsockopt = ipv6_setsockopt, .getsockopt = ipv6_getsockopt, diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c index fe5453c3e71..f6fe4d40050 100644 --- a/net/llc/af_llc.c +++ b/net/llc/af_llc.c @@ -1024,7 +1024,7 @@ static int llc_ui_ioctl(struct socket *sock, unsigned int cmd, * @sock: Socket to set options on. * @level: Socket level user is requesting operations on. * @optname: Operation name. - * @optval User provided operation data. + * @optval: User provided operation data. * @optlen: Length of optval. * * Set various connection specific parameters. diff --git a/net/llc/llc_station.c b/net/llc/llc_station.c index cf4aea3ba30..39a8d8924b9 100644 --- a/net/llc/llc_station.c +++ b/net/llc/llc_station.c @@ -30,12 +30,12 @@ * * SAP and connection resource manager, one per adapter. * - * @state - state of station - * @xid_r_count - XID response PDU counter - * @mac_sa - MAC source address - * @sap_list - list of related SAPs - * @ev_q - events entering state mach. - * @mac_pdu_q - PDUs ready to send to MAC + * @state: state of station + * @xid_r_count: XID response PDU counter + * @mac_sa: MAC source address + * @sap_list: list of related SAPs + * @ev_q: events entering state mach. + * @mac_pdu_q: PDUs ready to send to MAC */ struct llc_station { u8 state; @@ -646,7 +646,7 @@ static void llc_station_service_events(void) } /** - * llc_station_state_process: queue event and try to process queue. + * llc_station_state_process - queue event and try to process queue. * @skb: Address of the event * * Queues an event (on the station event queue) for handling by the @@ -672,7 +672,7 @@ static void llc_station_ack_tmr_cb(unsigned long timeout_data) } } -/* +/** * llc_station_rcv - send received pdu to the station state machine * @skb: received frame. * diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 764593d65fc..6fac18c0423 100644 --- a/net/mac80211/mesh.c +++ b/net/mac80211/mesh.c @@ -133,7 +133,7 @@ bool mesh_peer_accepts_plinks(struct ieee802_11_elems *ie) } /** - * mesh_accept_plinks_update: update accepting_plink in local mesh beacons + * mesh_accept_plinks_update - update accepting_plink in local mesh beacons * * @sdata: mesh interface in which mesh beacons are going to be updated */ diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index fb7b6a11d0b..494bc39f61a 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -1054,12 +1054,15 @@ enddiscovery: kfree(preq_node); } -/* mesh_nexthop_resolve - lookup next hop for given skb and start path - * discovery if no forwarding information is found. +/** + * mesh_nexthop_resolve - lookup next hop; conditionally start path discovery * * @skb: 802.11 frame to be sent * @sdata: network subif the frame will be sent through * + * Lookup next hop for given skb and start path discovery if no + * forwarding information is found. + * * Returns: 0 if the next hop was found and -ENOENT if the frame was queued. * skb is freeed here if no mpath could be allocated. */ diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index c9ae931dd69..075bc535c60 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -778,7 +778,7 @@ static void __mesh_path_del(struct mesh_table *tbl, struct mpath_node *node) /** * mesh_path_flush_by_nexthop - Deletes mesh paths if their next hop matches * - * @sta - mesh peer to match + * @sta: mesh peer to match * * RCU notes: this function is called when a mesh plink transitions from * PLINK_ESTAB to any other state, since PLINK_ESTAB state is the only one that @@ -833,7 +833,7 @@ static void table_flush_by_iface(struct mesh_table *tbl, * * This function deletes both mesh paths as well as mesh portal paths. * - * @sdata - interface data to match + * @sdata: interface data to match * */ void mesh_path_flush_by_iface(struct ieee80211_sub_if_data *sdata) diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index a1dbd154027..9ad74dd87a7 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -99,7 +99,7 @@ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata, return sta; } -/* +/** * mesh_set_ht_prot_mode - set correct HT protection mode * * Section 9.23.3.5 of IEEE 80211-2012 describes the protection rules for HT @@ -320,7 +320,8 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata, return 0; } -/* mesh_peer_init - initialize new mesh peer and return resulting sta_info +/** + * mesh_peer_init - initialize new mesh peer and return resulting sta_info * * @sdata: local meshif * @addr: peer's address diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index e6fe84a0844..aa69a331f37 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -2152,15 +2152,13 @@ ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata, mgmt->sa, status_code); ieee80211_destroy_assoc_data(sdata, false); } else { - sdata_info(sdata, "associated\n"); - if (!ieee80211_assoc_success(sdata, *bss, mgmt, len)) { /* oops -- internal error -- send timeout for now */ - ieee80211_destroy_assoc_data(sdata, true); - sta_info_destroy_addr(sdata, mgmt->bssid); + ieee80211_destroy_assoc_data(sdata, false); cfg80211_put_bss(*bss); return RX_MGMT_CFG80211_ASSOC_TIMEOUT; } + sdata_info(sdata, "associated\n"); /* * destroy assoc_data afterwards, as otherwise an idle diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c index 2d1acc6c544..f9e51ef8dfa 100644 --- a/net/mac80211/rc80211_minstrel_ht.c +++ b/net/mac80211/rc80211_minstrel_ht.c @@ -809,7 +809,7 @@ minstrel_ht_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp) max_rates = sband->n_bitrates; } - msp = kzalloc(sizeof(struct minstrel_ht_sta), gfp); + msp = kzalloc(sizeof(*msp), gfp); if (!msp) return NULL; diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 839cac8fab5..67edd69e842 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -94,7 +94,7 @@ ieee80211_rx_radiotap_len(struct ieee80211_local *local, return len; } -/* +/** * ieee80211_add_rx_radiotap_header - add radiotap header * * add a radiotap header containing all the fields which the hardware provided. diff --git a/net/netfilter/xt_TPROXY.c b/net/netfilter/xt_TPROXY.c index 146033a86de..d7f195388f6 100644 --- a/net/netfilter/xt_TPROXY.c +++ b/net/netfilter/xt_TPROXY.c @@ -69,7 +69,7 @@ tproxy_laddr4(struct sk_buff *skb, __be32 user_laddr, __be32 daddr) } /** - * tproxy_handle_time_wait4() - handle IPv4 TCP TIME_WAIT reopen redirections + * tproxy_handle_time_wait4 - handle IPv4 TCP TIME_WAIT reopen redirections * @skb: The skb being processed. * @laddr: IPv4 address to redirect to or zero. * @lport: TCP port to redirect to or zero. @@ -220,7 +220,7 @@ tproxy_laddr6(struct sk_buff *skb, const struct in6_addr *user_laddr, } /** - * tproxy_handle_time_wait6() - handle IPv6 TCP TIME_WAIT reopen redirections + * tproxy_handle_time_wait6 - handle IPv6 TCP TIME_WAIT reopen redirections * @skb: The skb being processed. * @tproto: Transport protocol. * @thoff: Transport protocol header offset. diff --git a/net/netfilter/xt_set.c b/net/netfilter/xt_set.c index 035960ec5cb..c6f7db720d8 100644 --- a/net/netfilter/xt_set.c +++ b/net/netfilter/xt_set.c @@ -16,6 +16,7 @@ #include <linux/netfilter/x_tables.h> #include <linux/netfilter/xt_set.h> +#include <linux/netfilter/ipset/ip_set_timeout.h> MODULE_LICENSE("GPL"); MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>"); @@ -310,7 +311,8 @@ set_target_v2(struct sk_buff *skb, const struct xt_action_param *par) info->del_set.flags, 0, UINT_MAX); /* Normalize to fit into jiffies */ - if (add_opt.timeout > UINT_MAX/MSEC_PER_SEC) + if (add_opt.timeout != IPSET_NO_TIMEOUT && + add_opt.timeout > UINT_MAX/MSEC_PER_SEC) add_opt.timeout = UINT_MAX/MSEC_PER_SEC; if (info->add_set.index != IPSET_INVALID_ID) ip_set_add(info->add_set.index, skb, par, &add_opt); diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index 32761b53015..62ebe3c6291 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -504,7 +504,7 @@ EXPORT_SYMBOL(genl_unregister_family); * @pid: netlink pid the message is addressed to * @seq: sequence number (usually the one of the sender) * @family: generic netlink family - * @flags netlink message flags + * @flags: netlink message flags * @cmd: generic netlink command * * Returns pointer to user specific header diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c index 2c0b317344b..05ca5a68007 100644 --- a/net/nfc/llcp/sock.c +++ b/net/nfc/llcp/sock.c @@ -292,7 +292,7 @@ static int llcp_sock_getname(struct socket *sock, struct sockaddr *addr, pr_debug("%p\n", sk); - if (llcp_sock == NULL) + if (llcp_sock == NULL || llcp_sock->dev == NULL) return -EBADFD; addr->sa_family = AF_NFC; diff --git a/net/rds/page.c b/net/rds/page.c index 2499cd10842..9005a2c920e 100644 --- a/net/rds/page.c +++ b/net/rds/page.c @@ -74,11 +74,12 @@ int rds_page_copy_user(struct page *page, unsigned long offset, } EXPORT_SYMBOL_GPL(rds_page_copy_user); -/* - * Message allocation uses this to build up regions of a message. +/** + * rds_page_remainder_alloc - build up regions of a message. * - * @bytes - the number of bytes needed. - * @gfp - the waiting behaviour of the allocation + * @scat: Scatter list for message + * @bytes: the number of bytes needed. + * @gfp: the waiting behaviour of the allocation * * @gfp is always ored with __GFP_HIGHMEM. Callers must be prepared to * kmap the pages, etc. diff --git a/net/rxrpc/ar-output.c b/net/rxrpc/ar-output.c index 16ae88762d0..e1ac183d50b 100644 --- a/net/rxrpc/ar-output.c +++ b/net/rxrpc/ar-output.c @@ -242,7 +242,7 @@ int rxrpc_kernel_send_data(struct rxrpc_call *call, struct msghdr *msg, EXPORT_SYMBOL(rxrpc_kernel_send_data); -/* +/** * rxrpc_kernel_abort_call - Allow a kernel service to abort a call * @call: The call to be aborted * @abort_code: The abort code to stick into the ABORT packet diff --git a/net/rxrpc/ar-peer.c b/net/rxrpc/ar-peer.c index 2754f098d43..bebaa43484b 100644 --- a/net/rxrpc/ar-peer.c +++ b/net/rxrpc/ar-peer.c @@ -229,7 +229,7 @@ found_UDP_peer: return peer; new_UDP_peer: - _net("Rx UDP DGRAM from NEW peer %d", peer->debug_id); + _net("Rx UDP DGRAM from NEW peer"); read_unlock_bh(&rxrpc_peer_lock); _leave(" = -EBUSY [new]"); return ERR_PTR(-EBUSY); diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c index a2a95aabf9c..c412ad0d030 100644 --- a/net/sched/sch_netem.c +++ b/net/sched/sch_netem.c @@ -331,29 +331,22 @@ static psched_time_t packet_len_2_sched_time(unsigned int len, struct netem_sche return PSCHED_NS2TICKS(ticks); } -static int tfifo_enqueue(struct sk_buff *nskb, struct Qdisc *sch) +static void tfifo_enqueue(struct sk_buff *nskb, struct Qdisc *sch) { struct sk_buff_head *list = &sch->q; psched_time_t tnext = netem_skb_cb(nskb)->time_to_send; - struct sk_buff *skb; - - if (likely(skb_queue_len(list) < sch->limit)) { - skb = skb_peek_tail(list); - /* Optimize for add at tail */ - if (likely(!skb || tnext >= netem_skb_cb(skb)->time_to_send)) - return qdisc_enqueue_tail(nskb, sch); + struct sk_buff *skb = skb_peek_tail(list); - skb_queue_reverse_walk(list, skb) { - if (tnext >= netem_skb_cb(skb)->time_to_send) - break; - } + /* Optimize for add at tail */ + if (likely(!skb || tnext >= netem_skb_cb(skb)->time_to_send)) + return __skb_queue_tail(list, nskb); - __skb_queue_after(list, skb, nskb); - sch->qstats.backlog += qdisc_pkt_len(nskb); - return NET_XMIT_SUCCESS; + skb_queue_reverse_walk(list, skb) { + if (tnext >= netem_skb_cb(skb)->time_to_send) + break; } - return qdisc_reshape_fail(nskb, sch); + __skb_queue_after(list, skb, nskb); } /* @@ -368,7 +361,6 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch) /* We don't fill cb now as skb_unshare() may invalidate it */ struct netem_skb_cb *cb; struct sk_buff *skb2; - int ret; int count = 1; /* Random duplication */ @@ -419,6 +411,11 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch) skb->data[net_random() % skb_headlen(skb)] ^= 1<<(net_random() % 8); } + if (unlikely(skb_queue_len(&sch->q) >= sch->limit)) + return qdisc_reshape_fail(skb, sch); + + sch->qstats.backlog += qdisc_pkt_len(skb); + cb = netem_skb_cb(skb); if (q->gap == 0 || /* not doing reordering */ q->counter < q->gap - 1 || /* inside last reordering gap */ @@ -450,7 +447,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch) cb->time_to_send = now + delay; ++q->counter; - ret = tfifo_enqueue(skb, sch); + tfifo_enqueue(skb, sch); } else { /* * Do re-ordering by putting one out of N packets at the front @@ -460,16 +457,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch) q->counter = 0; __skb_queue_head(&sch->q, skb); - sch->qstats.backlog += qdisc_pkt_len(skb); sch->qstats.requeues++; - ret = NET_XMIT_SUCCESS; - } - - if (ret != NET_XMIT_SUCCESS) { - if (net_xmit_drop_count(ret)) { - sch->qstats.drops++; - return ret; - } } return NET_XMIT_SUCCESS; diff --git a/net/sunrpc/backchannel_rqst.c b/net/sunrpc/backchannel_rqst.c index 31def68a0f6..5a3d675d2f2 100644 --- a/net/sunrpc/backchannel_rqst.c +++ b/net/sunrpc/backchannel_rqst.c @@ -176,13 +176,14 @@ out_free: } EXPORT_SYMBOL_GPL(xprt_setup_backchannel); -/* - * Destroys the backchannel preallocated structures. +/** + * xprt_destroy_backchannel - Destroys the backchannel preallocated structures. + * @xprt: the transport holding the preallocated strucures + * @max_reqs the maximum number of preallocated structures to destroy + * * Since these structures may have been allocated by multiple calls * to xprt_setup_backchannel, we only destroy up to the maximum number * of reqs specified by the caller. - * @xprt: the transport holding the preallocated strucures - * @max_reqs the maximum number of preallocated structures to destroy */ void xprt_destroy_backchannel(struct rpc_xprt *xprt, unsigned int max_reqs) { diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c index f56f045778a..00eb859b7de 100644 --- a/net/sunrpc/clnt.c +++ b/net/sunrpc/clnt.c @@ -385,7 +385,7 @@ out_no_rpciod: return ERR_PTR(err); } -/* +/** * rpc_create - create an RPC client and transport with one call * @args: rpc_clnt create argument structure * diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c index fddcccfcdf7..0cf165580d8 100644 --- a/net/sunrpc/xdr.c +++ b/net/sunrpc/xdr.c @@ -180,7 +180,9 @@ EXPORT_SYMBOL_GPL(xdr_inline_pages); /* * Helper routines for doing 'memmove' like operations on a struct xdr_buf - * + */ + +/** * _shift_data_right_pages * @pages: vector of pages containing both the source and dest memory area. * @pgto_base: page vector address of destination @@ -242,7 +244,7 @@ _shift_data_right_pages(struct page **pages, size_t pgto_base, } while ((len -= copy) != 0); } -/* +/** * _copy_to_pages * @pages: array of pages * @pgbase: page vector address of destination @@ -286,7 +288,7 @@ _copy_to_pages(struct page **pages, size_t pgbase, const char *p, size_t len) flush_dcache_page(*pgto); } -/* +/** * _copy_from_pages * @p: pointer to destination * @pages: array of pages @@ -326,7 +328,7 @@ _copy_from_pages(char *p, struct page **pages, size_t pgbase, size_t len) } EXPORT_SYMBOL_GPL(_copy_from_pages); -/* +/** * xdr_shrink_bufhead * @buf: xdr_buf * @len: bytes to remove from buf->head[0] @@ -399,7 +401,7 @@ xdr_shrink_bufhead(struct xdr_buf *buf, size_t len) buf->len = buf->buflen; } -/* +/** * xdr_shrink_pagelen * @buf: xdr_buf * @len: bytes to remove from buf->pages diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c index 3c83035cdaa..a5a402a7d21 100644 --- a/net/sunrpc/xprt.c +++ b/net/sunrpc/xprt.c @@ -531,7 +531,7 @@ void xprt_set_retrans_timeout_def(struct rpc_task *task) } EXPORT_SYMBOL_GPL(xprt_set_retrans_timeout_def); -/* +/** * xprt_set_retrans_timeout_rtt - set a request's retransmit timeout * @task: task whose timeout is to be set * diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c index 2625f5ebe3e..d9df34fbd7c 100644 --- a/net/tipc/bcast.c +++ b/net/tipc/bcast.c @@ -162,7 +162,7 @@ static void bclink_update_last_sent(struct tipc_node *node, u32 seqno) } -/* +/** * tipc_bclink_retransmit_to - get most recent node to request retransmission * * Called with bc_lock locked @@ -270,7 +270,7 @@ exit: spin_unlock_bh(&bc_lock); } -/* +/** * tipc_bclink_update_link_state - update broadcast link state * * tipc_net_lock and node lock set @@ -330,7 +330,7 @@ void tipc_bclink_update_link_state(struct tipc_node *n_ptr, u32 last_sent) } } -/* +/** * bclink_peek_nack - monitor retransmission requests sent by other nodes * * Delay any upcoming NACK by this node if another node has already @@ -381,7 +381,7 @@ exit: return res; } -/* +/** * bclink_accept_pkt - accept an incoming, in-sequence broadcast packet * * Called with both sending node's lock and bc_lock taken. @@ -406,7 +406,7 @@ static void bclink_accept_pkt(struct tipc_node *node, u32 seqno) } } -/* +/** * tipc_bclink_recv_pkt - receive a broadcast packet, and deliver upwards * * tipc_net_lock is read_locked, no other locks set diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c index a297e3a2e3e..86b703f5509 100644 --- a/net/tipc/bearer.c +++ b/net/tipc/bearer.c @@ -172,8 +172,8 @@ struct sk_buff *tipc_media_get_names(void) /** * bearer_name_validate - validate & (optionally) deconstruct bearer name - * @name - ptr to bearer name string - * @name_parts - ptr to area for bearer name components (or NULL if not needed) + * @name: ptr to bearer name string + * @name_parts: ptr to area for bearer name components (or NULL if not needed) * * Returns 1 if bearer name is valid, otherwise 0. */ @@ -520,8 +520,7 @@ exit: } /** - * tipc_block_bearer(): Block the bearer with the given name, - * and reset all its links + * tipc_block_bearer - Block the bearer with the given name, and reset all its links */ int tipc_block_bearer(const char *name) { diff --git a/net/tipc/bearer.h b/net/tipc/bearer.h index e3b2be37fb3..4680de118af 100644 --- a/net/tipc/bearer.h +++ b/net/tipc/bearer.h @@ -57,7 +57,7 @@ */ #define TIPC_MEDIA_TYPE_ETH 1 -/* +/** * struct tipc_media_addr - destination address used by TIPC bearers * @value: address info (format defined by media) * @media_id: TIPC media type identifier diff --git a/net/tipc/link.c b/net/tipc/link.c index 7a614f43549..f6bf4830ddf 100644 --- a/net/tipc/link.c +++ b/net/tipc/link.c @@ -153,8 +153,8 @@ int tipc_link_is_active(struct tipc_link *l_ptr) /** * link_name_validate - validate & (optionally) deconstruct tipc_link name - * @name - ptr to link name string - * @name_parts - ptr to area for link name components (or NULL if not needed) + * @name: ptr to link name string + * @name_parts: ptr to area for link name components (or NULL if not needed) * * Returns 1 if link name is valid, otherwise 0. */ @@ -944,7 +944,7 @@ int tipc_link_send(struct sk_buff *buf, u32 dest, u32 selector) return res; } -/* +/** * tipc_link_send_names - send name table entries to new neighbor * * Send routine for bulk delivery of name table messages when contact @@ -1787,7 +1787,7 @@ cont: read_unlock_bh(&tipc_net_lock); } -/* +/** * tipc_link_defer_pkt - Add out-of-sequence message to deferred reception queue * * Returns increase in queue length (i.e. 0 or 1) @@ -2635,8 +2635,8 @@ void tipc_link_set_queue_limits(struct tipc_link *l_ptr, u32 window) /** * link_find_link - locate link by name - * @name - ptr to link name string - * @node - ptr to area to be filled with ptr to associated node + * @name: ptr to link name string + * @node: ptr to area to be filled with ptr to associated node * * Caller must hold 'tipc_net_lock' to ensure node and bearer are not deleted; * this also prevents link deletion. @@ -2671,8 +2671,8 @@ static struct tipc_link *link_find_link(const char *name, /** * link_value_is_valid -- validate proposed link tolerance/priority/window * - * @cmd - value type (TIPC_CMD_SET_LINK_*) - * @new_value - the new value + * @cmd: value type (TIPC_CMD_SET_LINK_*) + * @new_value: the new value * * Returns 1 if value is within range, 0 if not. */ @@ -2693,9 +2693,9 @@ static int link_value_is_valid(u16 cmd, u32 new_value) /** * link_cmd_set_value - change priority/tolerance/window for link/bearer/media - * @name - ptr to link, bearer, or media name - * @new_value - new value of link, bearer, or media setting - * @cmd - which link, bearer, or media attribute to set (TIPC_CMD_SET_LINK_*) + * @name: ptr to link, bearer, or media name + * @new_value: new value of link, bearer, or media setting + * @cmd: which link, bearer, or media attribute to set (TIPC_CMD_SET_LINK_*) * * Caller must hold 'tipc_net_lock' to ensure link/bearer/media is not deleted. * diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c index 010f24a59da..13fb9d559ea 100644 --- a/net/tipc/name_table.c +++ b/net/tipc/name_table.c @@ -191,7 +191,7 @@ static void nameseq_delete_empty(struct name_seq *seq) } } -/* +/** * nameseq_find_subseq - find sub-sequence (if any) matching a name instance * * Very time-critical, so binary searches through sub-sequence array. @@ -435,7 +435,7 @@ found: } /** - * tipc_nameseq_subscribe: attach a subscription, and issue + * tipc_nameseq_subscribe - attach a subscription, and issue * the prescribed number of events if there is any sub- * sequence overlapping with the requested sequence */ @@ -520,7 +520,7 @@ struct publication *tipc_nametbl_remove_publ(u32 type, u32 lower, return publ; } -/* +/** * tipc_nametbl_translate - perform name translation * * On entry, 'destnode' is the search domain used during translation. @@ -751,7 +751,7 @@ void tipc_nametbl_unsubscribe(struct tipc_subscription *s) /** - * subseq_list: print specified sub-sequence contents into the given buffer + * subseq_list - print specified sub-sequence contents into the given buffer */ static void subseq_list(struct sub_seq *sseq, struct print_buf *buf, u32 depth, u32 index) @@ -787,7 +787,7 @@ static void subseq_list(struct sub_seq *sseq, struct print_buf *buf, u32 depth, } /** - * nameseq_list: print specified name sequence contents into the given buffer + * nameseq_list - print specified name sequence contents into the given buffer */ static void nameseq_list(struct name_seq *seq, struct print_buf *buf, u32 depth, u32 type, u32 lowbound, u32 upbound, u32 index) diff --git a/net/tipc/port.c b/net/tipc/port.c index a1e828989d7..70bf78bd5b7 100644 --- a/net/tipc/port.c +++ b/net/tipc/port.c @@ -69,7 +69,7 @@ static u32 port_peerport(struct tipc_port *p_ptr) return msg_destport(&p_ptr->phdr); } -/* +/** * tipc_port_peer_msg - verify message was sent by connected port's peer * * Handles cases where the node's network address has changed from diff --git a/net/tipc/port.h b/net/tipc/port.h index 98cbec9c453..4660e306579 100644 --- a/net/tipc/port.h +++ b/net/tipc/port.h @@ -79,6 +79,7 @@ typedef void (*tipc_continue_event) (void *usr_handle, u32 portref); * struct user_port - TIPC user port (used with native API) * @usr_handle: user-specified field * @ref: object reference to associated TIPC port + * * <various callback routines> */ struct user_port { diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 11a863d8142..1ebb49f3ddb 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -1699,9 +1699,8 @@ static int getsockopt(struct socket *sock, return put_user(sizeof(value), ol); } -/** - * Protocol switches for the various types of TIPC sockets - */ +/* Protocol switches for the various types of TIPC sockets */ + static const struct proto_ops msg_ops = { .owner = THIS_MODULE, .family = AF_TIPC, diff --git a/net/x25/x25_route.c b/net/x25/x25_route.c index cf636627005..277c8d2448d 100644 --- a/net/x25/x25_route.c +++ b/net/x25/x25_route.c @@ -66,7 +66,7 @@ out: /** * __x25_remove_route - remove route from x25_route_list - * @rt - route to remove + * @rt: route to remove * * Remove route from x25_route_list. If it was there. * Caller must hold x25_route_list_lock. |