diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe/ixgbe_main.c')
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 1974 |
1 files changed, 1449 insertions, 525 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c index 20a5af6d87d..f5aa3311ea2 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c @@ -1,7 +1,7 @@ /******************************************************************************* Intel 10 Gigabit PCI Express Linux driver - Copyright(c) 1999 - 2012 Intel Corporation. + Copyright(c) 1999 - 2014 Intel Corporation. This program is free software; you can redistribute it and/or modify it under the terms and conditions of the GNU General Public License, @@ -20,6 +20,7 @@ the file called "COPYING". Contact Information: + Linux NICS <linux.nics@intel.com> e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 @@ -44,6 +45,7 @@ #include <linux/ethtool.h> #include <linux/if.h> #include <linux/if_vlan.h> +#include <linux/if_macvlan.h> #include <linux/if_bridge.h> #include <linux/prefetch.h> #include <scsi/fc/fc_fcoe.h> @@ -63,10 +65,10 @@ char ixgbe_default_device_descr[] = static char ixgbe_default_device_descr[] = "Intel(R) 10 Gigabit Network Connection"; #endif -#define DRV_VERSION "3.11.33-k" +#define DRV_VERSION "3.19.1-k" const char ixgbe_driver_version[] = DRV_VERSION; static const char ixgbe_copyright[] = - "Copyright (c) 1999-2012 Intel Corporation."; + "Copyright (c) 1999-2014 Intel Corporation."; static const struct ixgbe_info *ixgbe_info_tbl[] = { [board_82598] = &ixgbe_82598_info, @@ -109,6 +111,7 @@ static DEFINE_PCI_DEVICE_TABLE(ixgbe_pci_tbl) = { {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X540T), board_X540 }, {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_SFP_SF2), board_82599 }, {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_LS), board_82599 }, + {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_QSFP_SF_QP), board_82599 }, {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599EN_SFP), board_82599 }, {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_SFP_SF_QP), board_82599 }, {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X540T1), board_X540 }, @@ -131,7 +134,7 @@ static struct notifier_block dca_notifier = { static unsigned int max_vfs; module_param(max_vfs, uint, 0); MODULE_PARM_DESC(max_vfs, - "Maximum number of virtual functions to allocate per physical function - default is zero and maximum value is 63"); + "Maximum number of virtual functions to allocate per physical function - default is zero and maximum value is 63. (Deprecated)"); #endif /* CONFIG_PCI_IOV */ static unsigned int allow_unsupported_sfp; @@ -149,19 +152,257 @@ MODULE_DESCRIPTION("Intel(R) 10 Gigabit PCI Express Network Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); +static bool ixgbe_check_cfg_remove(struct ixgbe_hw *hw, struct pci_dev *pdev); + +static int ixgbe_read_pci_cfg_word_parent(struct ixgbe_adapter *adapter, + u32 reg, u16 *value) +{ + struct pci_dev *parent_dev; + struct pci_bus *parent_bus; + + parent_bus = adapter->pdev->bus->parent; + if (!parent_bus) + return -1; + + parent_dev = parent_bus->self; + if (!parent_dev) + return -1; + + if (!pci_is_pcie(parent_dev)) + return -1; + + pcie_capability_read_word(parent_dev, reg, value); + if (*value == IXGBE_FAILED_READ_CFG_WORD && + ixgbe_check_cfg_remove(&adapter->hw, parent_dev)) + return -1; + return 0; +} + +static s32 ixgbe_get_parent_bus_info(struct ixgbe_adapter *adapter) +{ + struct ixgbe_hw *hw = &adapter->hw; + u16 link_status = 0; + int err; + + hw->bus.type = ixgbe_bus_type_pci_express; + + /* Get the negotiated link width and speed from PCI config space of the + * parent, as this device is behind a switch + */ + err = ixgbe_read_pci_cfg_word_parent(adapter, 18, &link_status); + + /* assume caller will handle error case */ + if (err) + return err; + + hw->bus.width = ixgbe_convert_bus_width(link_status); + hw->bus.speed = ixgbe_convert_bus_speed(link_status); + + return 0; +} + +/** + * ixgbe_check_from_parent - Determine whether PCIe info should come from parent + * @hw: hw specific details + * + * This function is used by probe to determine whether a device's PCI-Express + * bandwidth details should be gathered from the parent bus instead of from the + * device. Used to ensure that various locations all have the correct device ID + * checks. + */ +static inline bool ixgbe_pcie_from_parent(struct ixgbe_hw *hw) +{ + switch (hw->device_id) { + case IXGBE_DEV_ID_82599_SFP_SF_QP: + case IXGBE_DEV_ID_82599_QSFP_SF_QP: + return true; + default: + return false; + } +} + +static void ixgbe_check_minimum_link(struct ixgbe_adapter *adapter, + int expected_gts) +{ + int max_gts = 0; + enum pci_bus_speed speed = PCI_SPEED_UNKNOWN; + enum pcie_link_width width = PCIE_LNK_WIDTH_UNKNOWN; + struct pci_dev *pdev; + + /* determine whether to use the the parent device + */ + if (ixgbe_pcie_from_parent(&adapter->hw)) + pdev = adapter->pdev->bus->parent->self; + else + pdev = adapter->pdev; + + if (pcie_get_minimum_link(pdev, &speed, &width) || + speed == PCI_SPEED_UNKNOWN || width == PCIE_LNK_WIDTH_UNKNOWN) { + e_dev_warn("Unable to determine PCI Express bandwidth.\n"); + return; + } + + switch (speed) { + case PCIE_SPEED_2_5GT: + /* 8b/10b encoding reduces max throughput by 20% */ + max_gts = 2 * width; + break; + case PCIE_SPEED_5_0GT: + /* 8b/10b encoding reduces max throughput by 20% */ + max_gts = 4 * width; + break; + case PCIE_SPEED_8_0GT: + /* 128b/130b encoding reduces throughput by less than 2% */ + max_gts = 8 * width; + break; + default: + e_dev_warn("Unable to determine PCI Express bandwidth.\n"); + return; + } + + e_dev_info("PCI Express bandwidth of %dGT/s available\n", + max_gts); + e_dev_info("(Speed:%s, Width: x%d, Encoding Loss:%s)\n", + (speed == PCIE_SPEED_8_0GT ? "8.0GT/s" : + speed == PCIE_SPEED_5_0GT ? "5.0GT/s" : + speed == PCIE_SPEED_2_5GT ? "2.5GT/s" : + "Unknown"), + width, + (speed == PCIE_SPEED_2_5GT ? "20%" : + speed == PCIE_SPEED_5_0GT ? "20%" : + speed == PCIE_SPEED_8_0GT ? "<2%" : + "Unknown")); + + if (max_gts < expected_gts) { + e_dev_warn("This is not sufficient for optimal performance of this card.\n"); + e_dev_warn("For optimal performance, at least %dGT/s of bandwidth is required.\n", + expected_gts); + e_dev_warn("A slot with more lanes and/or higher speed is suggested.\n"); + } +} + static void ixgbe_service_event_schedule(struct ixgbe_adapter *adapter) { if (!test_bit(__IXGBE_DOWN, &adapter->state) && + !test_bit(__IXGBE_REMOVING, &adapter->state) && !test_and_set_bit(__IXGBE_SERVICE_SCHED, &adapter->state)) schedule_work(&adapter->service_task); } +static void ixgbe_remove_adapter(struct ixgbe_hw *hw) +{ + struct ixgbe_adapter *adapter = hw->back; + + if (!hw->hw_addr) + return; + hw->hw_addr = NULL; + e_dev_err("Adapter removed\n"); + if (test_bit(__IXGBE_SERVICE_INITED, &adapter->state)) + ixgbe_service_event_schedule(adapter); +} + +static void ixgbe_check_remove(struct ixgbe_hw *hw, u32 reg) +{ + u32 value; + + /* The following check not only optimizes a bit by not + * performing a read on the status register when the + * register just read was a status register read that + * returned IXGBE_FAILED_READ_REG. It also blocks any + * potential recursion. + */ + if (reg == IXGBE_STATUS) { + ixgbe_remove_adapter(hw); + return; + } + value = ixgbe_read_reg(hw, IXGBE_STATUS); + if (value == IXGBE_FAILED_READ_REG) + ixgbe_remove_adapter(hw); +} + +/** + * ixgbe_read_reg - Read from device register + * @hw: hw specific details + * @reg: offset of register to read + * + * Returns : value read or IXGBE_FAILED_READ_REG if removed + * + * This function is used to read device registers. It checks for device + * removal by confirming any read that returns all ones by checking the + * status register value for all ones. This function avoids reading from + * the hardware if a removal was previously detected in which case it + * returns IXGBE_FAILED_READ_REG (all ones). + */ +u32 ixgbe_read_reg(struct ixgbe_hw *hw, u32 reg) +{ + u8 __iomem *reg_addr = ACCESS_ONCE(hw->hw_addr); + u32 value; + + if (ixgbe_removed(reg_addr)) + return IXGBE_FAILED_READ_REG; + value = readl(reg_addr + reg); + if (unlikely(value == IXGBE_FAILED_READ_REG)) + ixgbe_check_remove(hw, reg); + return value; +} + +static bool ixgbe_check_cfg_remove(struct ixgbe_hw *hw, struct pci_dev *pdev) +{ + u16 value; + + pci_read_config_word(pdev, PCI_VENDOR_ID, &value); + if (value == IXGBE_FAILED_READ_CFG_WORD) { + ixgbe_remove_adapter(hw); + return true; + } + return false; +} + +u16 ixgbe_read_pci_cfg_word(struct ixgbe_hw *hw, u32 reg) +{ + struct ixgbe_adapter *adapter = hw->back; + u16 value; + + if (ixgbe_removed(hw->hw_addr)) + return IXGBE_FAILED_READ_CFG_WORD; + pci_read_config_word(adapter->pdev, reg, &value); + if (value == IXGBE_FAILED_READ_CFG_WORD && + ixgbe_check_cfg_remove(hw, adapter->pdev)) + return IXGBE_FAILED_READ_CFG_WORD; + return value; +} + +#ifdef CONFIG_PCI_IOV +static u32 ixgbe_read_pci_cfg_dword(struct ixgbe_hw *hw, u32 reg) +{ + struct ixgbe_adapter *adapter = hw->back; + u32 value; + + if (ixgbe_removed(hw->hw_addr)) + return IXGBE_FAILED_READ_CFG_DWORD; + pci_read_config_dword(adapter->pdev, reg, &value); + if (value == IXGBE_FAILED_READ_CFG_DWORD && + ixgbe_check_cfg_remove(hw, adapter->pdev)) + return IXGBE_FAILED_READ_CFG_DWORD; + return value; +} +#endif /* CONFIG_PCI_IOV */ + +void ixgbe_write_pci_cfg_word(struct ixgbe_hw *hw, u32 reg, u16 value) +{ + struct ixgbe_adapter *adapter = hw->back; + + if (ixgbe_removed(hw->hw_addr)) + return; + pci_write_config_word(adapter->pdev, reg, value); +} + static void ixgbe_service_event_complete(struct ixgbe_adapter *adapter) { BUG_ON(!test_bit(__IXGBE_SERVICE_SCHED, &adapter->state)); /* flush memory to make sure state is correct before next watchdog */ - smp_mb__before_clear_bit(); + smp_mb__before_atomic(); clear_bit(__IXGBE_SERVICE_SCHED, &adapter->state); } @@ -745,11 +986,18 @@ static u64 ixgbe_get_tx_completed(struct ixgbe_ring *ring) static u64 ixgbe_get_tx_pending(struct ixgbe_ring *ring) { - struct ixgbe_adapter *adapter = netdev_priv(ring->netdev); - struct ixgbe_hw *hw = &adapter->hw; + struct ixgbe_adapter *adapter; + struct ixgbe_hw *hw; + u32 head, tail; + + if (ring->l2_accel_priv) + adapter = ring->l2_accel_priv->real_adapter; + else + adapter = netdev_priv(ring->netdev); - u32 head = IXGBE_READ_REG(hw, IXGBE_TDH(ring->reg_idx)); - u32 tail = IXGBE_READ_REG(hw, IXGBE_TDT(ring->reg_idx)); + hw = &adapter->hw; + head = IXGBE_READ_REG(hw, IXGBE_TDH(ring->reg_idx)); + tail = IXGBE_READ_REG(hw, IXGBE_TDT(ring->reg_idx)); if (head != tail) return (head < tail) ? @@ -803,6 +1051,7 @@ static void ixgbe_tx_timeout_reset(struct ixgbe_adapter *adapter) /* Do the reset outside of interrupt context */ if (!test_bit(__IXGBE_DOWN, &adapter->state)) { adapter->flags2 |= IXGBE_FLAG2_RESET_REQUESTED; + e_warn(drv, "initiating reset due to tx timeout\n"); ixgbe_service_event_schedule(adapter); } } @@ -837,7 +1086,7 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_q_vector *q_vector, break; /* prevent any other reads prior to eop_desc */ - rmb(); + read_barrier_depends(); /* if DD is not set pending work has not been completed */ if (!(eop_desc->wb.status & cpu_to_le32(IXGBE_TXD_STAT_DD))) @@ -850,9 +1099,6 @@ static bool ixgbe_clean_tx_irq(struct ixgbe_q_vector *q_vector, total_bytes += tx_buffer->bytecount; total_packets += tx_buffer->gso_segs; - if (unlikely(tx_buffer->tx_flags & IXGBE_TX_FLAGS_TSTAMP)) - ixgbe_ptp_tx_hwtstamp(q_vector, tx_buffer->skb); - /* free the skb */ dev_kfree_skb_any(tx_buffer->skb); @@ -1102,7 +1348,9 @@ static inline void ixgbe_rx_hash(struct ixgbe_ring *ring, struct sk_buff *skb) { if (ring->netdev->features & NETIF_F_RXHASH) - skb->rxhash = le32_to_cpu(rx_desc->wb.lower.hi_dword.rss); + skb_set_hash(skb, + le32_to_cpu(rx_desc->wb.lower.hi_dword.rss), + PKT_HASH_TYPE_L3); } #ifdef IXGBE_FCOE @@ -1183,7 +1431,7 @@ static inline void ixgbe_release_rx_desc(struct ixgbe_ring *rx_ring, u32 val) * such as IA-64). */ wmb(); - writel(val, rx_ring->tail); + ixgbe_write_tail(rx_ring, val); } static bool ixgbe_alloc_mapped_page(struct ixgbe_ring *rx_ring, @@ -1318,7 +1566,7 @@ static unsigned int ixgbe_get_headlen(unsigned char *data, hdr.network += ETH_HLEN; /* handle any vlan tag if present */ - if (protocol == __constant_htons(ETH_P_8021Q)) { + if (protocol == htons(ETH_P_8021Q)) { if ((hdr.network - data) > (max_len - VLAN_HLEN)) return max_len; @@ -1327,7 +1575,7 @@ static unsigned int ixgbe_get_headlen(unsigned char *data, } /* handle L3 protocols */ - if (protocol == __constant_htons(ETH_P_IP)) { + if (protocol == htons(ETH_P_IP)) { if ((hdr.network - data) > (max_len - sizeof(struct iphdr))) return max_len; @@ -1339,9 +1587,9 @@ static unsigned int ixgbe_get_headlen(unsigned char *data, return hdr.network - data; /* record next protocol if header is present */ - if (!hdr.ipv4->frag_off) + if (!(hdr.ipv4->frag_off & htons(IP_OFFSET))) nexthdr = hdr.ipv4->protocol; - } else if (protocol == __constant_htons(ETH_P_IPV6)) { + } else if (protocol == htons(ETH_P_IPV6)) { if ((hdr.network - data) > (max_len - sizeof(struct ipv6hdr))) return max_len; @@ -1349,7 +1597,7 @@ static unsigned int ixgbe_get_headlen(unsigned char *data, nexthdr = hdr.ipv6->nexthdr; hlen = sizeof(struct ipv6hdr); #ifdef IXGBE_FCOE - } else if (protocol == __constant_htons(ETH_P_FCOE)) { + } else if (protocol == htons(ETH_P_FCOE)) { if ((hdr.network - data) > (max_len - FCOE_HEADER_LEN)) return max_len; hlen = FCOE_HEADER_LEN; @@ -1401,6 +1649,7 @@ static void ixgbe_set_rsc_gso_size(struct ixgbe_ring *ring, /* set gso_size to avoid messing up TCP MSS */ skb_shinfo(skb)->gso_size = DIV_ROUND_UP((skb->len - hdr_len), IXGBE_CB(skb)->append_cnt); + skb_shinfo(skb)->gso_type = SKB_GSO_TCPV4; } static void ixgbe_update_rsc_stats(struct ixgbe_ring *rx_ring, @@ -1441,12 +1690,13 @@ static void ixgbe_process_skb_fields(struct ixgbe_ring *rx_ring, ixgbe_rx_checksum(rx_ring, rx_desc, skb); - ixgbe_ptp_rx_hwtstamp(rx_ring->q_vector, rx_desc, skb); + if (unlikely(ixgbe_test_staterr(rx_desc, IXGBE_RXDADV_STAT_TS))) + ixgbe_ptp_rx_hwtstamp(rx_ring->q_vector->adapter, skb); - if ((dev->features & NETIF_F_HW_VLAN_RX) && + if ((dev->features & NETIF_F_HW_VLAN_CTAG_RX) && ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_VP)) { u16 vid = le16_to_cpu(rx_desc->wb.upper.vlan); - __vlan_hwaccel_put_tag(skb, vid); + __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), vid); } skb_record_rx_queue(skb, rx_ring->queue_index); @@ -1459,7 +1709,9 @@ static void ixgbe_rx_skb(struct ixgbe_q_vector *q_vector, { struct ixgbe_adapter *adapter = q_vector->adapter; - if (!(adapter->flags & IXGBE_FLAG_IN_NETPOLL)) + if (ixgbe_qv_busy_polling(q_vector)) + netif_receive_skb(skb); + else if (!(adapter->flags & IXGBE_FLAG_IN_NETPOLL)) napi_gro_receive(&q_vector->napi, skb); else netif_rx(skb); @@ -1847,9 +2099,9 @@ dma_sync: * expensive overhead for IOMMU access this provides a means of avoiding * it by maintaining the mapping of the page to the syste. * - * Returns true if all work is completed without reaching budget + * Returns amount of work completed **/ -static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, +static int ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, struct ixgbe_ring *rx_ring, const int budget) { @@ -1861,7 +2113,7 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, #endif /* IXGBE_FCOE */ u16 cleaned_count = ixgbe_desc_unused(rx_ring); - do { + while (likely(total_rx_packets < budget)) { union ixgbe_adv_rx_desc *rx_desc; struct sk_buff *skb; @@ -1931,11 +2183,12 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, } #endif /* IXGBE_FCOE */ + skb_mark_napi_id(skb, &q_vector->napi); ixgbe_rx_skb(q_vector, skb); /* update budget accounting */ total_rx_packets++; - } while (likely(total_rx_packets < budget)); + } u64_stats_update_begin(&rx_ring->syncp); rx_ring->stats.packets += total_rx_packets; @@ -1947,8 +2200,42 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, if (cleaned_count) ixgbe_alloc_rx_buffers(rx_ring, cleaned_count); - return (total_rx_packets < budget); + return total_rx_packets; +} + +#ifdef CONFIG_NET_RX_BUSY_POLL +/* must be called with local_bh_disable()d */ +static int ixgbe_low_latency_recv(struct napi_struct *napi) +{ + struct ixgbe_q_vector *q_vector = + container_of(napi, struct ixgbe_q_vector, napi); + struct ixgbe_adapter *adapter = q_vector->adapter; + struct ixgbe_ring *ring; + int found = 0; + + if (test_bit(__IXGBE_DOWN, &adapter->state)) + return LL_FLUSH_FAILED; + + if (!ixgbe_qv_lock_poll(q_vector)) + return LL_FLUSH_BUSY; + + ixgbe_for_each_ring(ring, q_vector->rx) { + found = ixgbe_clean_rx_irq(q_vector, ring, 4); +#ifdef BP_EXTENDED_STATS + if (found) + ring->stats.cleaned += found; + else + ring->stats.misses++; +#endif + if (found) + break; + } + + ixgbe_qv_unlock_poll(q_vector); + + return found; } +#endif /* CONFIG_NET_RX_BUSY_POLL */ /** * ixgbe_configure_msix - Configure MSI-X hardware @@ -2050,6 +2337,9 @@ static void ixgbe_update_itr(struct ixgbe_q_vector *q_vector, */ /* what was last interrupt timeslice? */ timepassed_us = q_vector->itr >> 2; + if (timepassed_us == 0) + return; + bytes_perint = bytes / timepassed_us; /* bytes/usec */ switch (itr_setting) { @@ -2180,10 +2470,10 @@ static void ixgbe_check_overtemp_subtask(struct ixgbe_adapter *adapter) return; if (!(eicr & IXGBE_EICR_LSC) && hw->mac.ops.check_link) { - u32 autoneg; + u32 speed; bool link_up = false; - hw->mac.ops.check_link(hw, &autoneg, &link_up, false); + hw->mac.ops.check_link(hw, &speed, &link_up, false); if (link_up) return; @@ -2406,6 +2696,16 @@ static irqreturn_t ixgbe_msix_other(int irq, void *data) * with the write to EICR. */ eicr = IXGBE_READ_REG(hw, IXGBE_EICS); + + /* The lower 16bits of the EICR register are for the queue interrupts + * which should be masked here in order to not accidently clear them if + * the bits are high when ixgbe_msix_other is called. There is a race + * condition otherwise which results in possible performance loss + * especially if the ixgbe_msix_other interrupt is triggering + * consistently (as it would when PPS is turned on for the X540 device) + */ + eicr &= 0xFFFF0000; + IXGBE_WRITE_REG(hw, IXGBE_EICR, eicr); if (eicr & IXGBE_EICR_LSC) @@ -2417,9 +2717,12 @@ static irqreturn_t ixgbe_msix_other(int irq, void *data) switch (hw->mac.type) { case ixgbe_mac_82599EB: case ixgbe_mac_X540: - if (eicr & IXGBE_EICR_ECC) - e_info(link, "Received unrecoverable ECC Err, please " - "reboot\n"); + if (eicr & IXGBE_EICR_ECC) { + e_info(link, "Received ECC Err, initiating reset\n"); + adapter->flags2 |= IXGBE_FLAG2_RESET_REQUESTED; + ixgbe_service_event_schedule(adapter); + IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_ECC); + } /* Handle Flow Director Full threshold interrupt */ if (eicr & IXGBE_EICR_FLOW_DIR) { int reinit_count = 0; @@ -2492,6 +2795,9 @@ int ixgbe_poll(struct napi_struct *napi, int budget) ixgbe_for_each_ring(ring, q_vector->tx) clean_complete &= !!ixgbe_clean_tx_irq(q_vector, ring); + if (!ixgbe_qv_lock_napi(q_vector)) + return budget; + /* attempt to distribute budget to each queue fairly, but don't allow * the budget to go below 1 because we'll exit polling */ if (q_vector->rx.count > 1) @@ -2500,9 +2806,10 @@ int ixgbe_poll(struct napi_struct *napi, int budget) per_ring_budget = budget; ixgbe_for_each_ring(ring, q_vector->rx) - clean_complete &= ixgbe_clean_rx_irq(q_vector, ring, - per_ring_budget); + clean_complete &= (ixgbe_clean_rx_irq(q_vector, ring, + per_ring_budget) < per_ring_budget); + ixgbe_qv_unlock_napi(q_vector); /* If all work not completed, return budget and keep polling */ if (!clean_complete) return budget; @@ -2629,9 +2936,12 @@ static irqreturn_t ixgbe_intr(int irq, void *data) ixgbe_check_sfp_event(adapter, eicr); /* Fall through */ case ixgbe_mac_X540: - if (eicr & IXGBE_EICR_ECC) - e_info(link, "Received unrecoverable ECC err, please " - "reboot\n"); + if (eicr & IXGBE_EICR_ECC) { + e_info(link, "Received ECC Err, initiating reset\n"); + adapter->flags2 |= IXGBE_FLAG2_RESET_REQUESTED; + ixgbe_service_event_schedule(adapter); + IXGBE_WRITE_REG(hw, IXGBE_EICR, IXGBE_EICR_ECC); + } ixgbe_check_overtemp_event(adapter, eicr); break; default: @@ -2783,17 +3093,23 @@ void ixgbe_configure_tx_ring(struct ixgbe_adapter *adapter, ring->count * sizeof(union ixgbe_adv_tx_desc)); IXGBE_WRITE_REG(hw, IXGBE_TDH(reg_idx), 0); IXGBE_WRITE_REG(hw, IXGBE_TDT(reg_idx), 0); - ring->tail = hw->hw_addr + IXGBE_TDT(reg_idx); + ring->tail = adapter->io_addr + IXGBE_TDT(reg_idx); /* * set WTHRESH to encourage burst writeback, it should not be set - * higher than 1 when ITR is 0 as it could cause false TX hangs + * higher than 1 when: + * - ITR is 0 as it could cause false TX hangs + * - ITR is set to > 100k int/sec and BQL is enabled * * In order to avoid issues WTHRESH + PTHRESH should always be equal * to or less than the number of on chip descriptors, which is * currently 40. */ +#if IS_ENABLED(CONFIG_BQL) + if (!ring->q_vector || (ring->q_vector->itr < IXGBE_100K_ITR)) +#else if (!ring->q_vector || (ring->q_vector->itr < 8)) +#endif txdctl |= (1 << 16); /* WTHRESH = 1 */ else txdctl |= (8 << 16); /* WTHRESH = 8 */ @@ -2814,6 +3130,16 @@ void ixgbe_configure_tx_ring(struct ixgbe_adapter *adapter, ring->atr_sample_rate = 0; } + /* initialize XPS */ + if (!test_and_set_bit(__IXGBE_TX_XPS_INIT_DONE, &ring->state)) { + struct ixgbe_q_vector *q_vector = ring->q_vector; + + if (q_vector) + netif_set_xps_queue(ring->netdev, + &q_vector->affinity_mask, + ring->queue_index); + } + clear_bit(__IXGBE_HANG_CHECK_ARMED, &ring->state); /* enable queue */ @@ -3106,6 +3432,8 @@ static void ixgbe_rx_desc_queue_enable(struct ixgbe_adapter *adapter, u32 rxdctl; u8 reg_idx = ring->reg_idx; + if (ixgbe_removed(hw->hw_addr)) + return; /* RXDCTL.EN will return 0 on 82598 if link is down, so skip it */ if (hw->mac.type == ixgbe_mac_82598EB && !(IXGBE_READ_REG(hw, IXGBE_LINKS) & IXGBE_LINKS_UP)) @@ -3130,6 +3458,8 @@ void ixgbe_disable_rx_queue(struct ixgbe_adapter *adapter, u32 rxdctl; u8 reg_idx = ring->reg_idx; + if (ixgbe_removed(hw->hw_addr)) + return; rxdctl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(reg_idx)); rxdctl &= ~IXGBE_RXDCTL_ENABLE; @@ -3170,7 +3500,7 @@ void ixgbe_configure_rx_ring(struct ixgbe_adapter *adapter, ring->count * sizeof(union ixgbe_adv_rx_desc)); IXGBE_WRITE_REG(hw, IXGBE_RDH(reg_idx), 0); IXGBE_WRITE_REG(hw, IXGBE_RDT(reg_idx), 0); - ring->tail = hw->hw_addr + IXGBE_RDT(reg_idx); + ring->tail = adapter->io_addr + IXGBE_RDT(reg_idx); ixgbe_configure_srrctl(adapter, ring); ixgbe_configure_rscctl(adapter, ring); @@ -3199,7 +3529,7 @@ static void ixgbe_setup_psrtype(struct ixgbe_adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; int rss_i = adapter->ring_feature[RING_F_RSS].indices; - int p; + u16 pool; /* PSRTYPE must be initialized in non 82598 adapters */ u32 psrtype = IXGBE_PSRTYPE_TCPHDR | @@ -3216,9 +3546,8 @@ static void ixgbe_setup_psrtype(struct ixgbe_adapter *adapter) else if (rss_i > 1) psrtype |= 1 << 29; - for (p = 0; p < adapter->num_rx_pools; p++) - IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(VMDQ_P(p)), - psrtype); + for_each_set_bit(pool, &adapter->fwd_bitmask, 32) + IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(VMDQ_P(pool)), psrtype); } static void ixgbe_configure_virtualization(struct ixgbe_adapter *adapter) @@ -3375,7 +3704,7 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; int i; - u32 rxctrl; + u32 rxctrl, rfctl; /* disable receives while setting up the descriptors */ rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); @@ -3384,6 +3713,13 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter) ixgbe_setup_psrtype(adapter); ixgbe_setup_rdrxctl(adapter); + /* RSC Setup */ + rfctl = IXGBE_READ_REG(hw, IXGBE_RFCTL); + rfctl &= ~IXGBE_RFCTL_RSC_DIS; + if (!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) + rfctl |= IXGBE_RFCTL_RSC_DIS; + IXGBE_WRITE_REG(hw, IXGBE_RFCTL, rfctl); + /* Program registers for the distribution of queues */ ixgbe_setup_mrqc(adapter); @@ -3406,7 +3742,8 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter) hw->mac.ops.enable_rx_dma(hw, rxctrl); } -static int ixgbe_vlan_rx_add_vid(struct net_device *netdev, u16 vid) +static int ixgbe_vlan_rx_add_vid(struct net_device *netdev, + __be16 proto, u16 vid) { struct ixgbe_adapter *adapter = netdev_priv(netdev); struct ixgbe_hw *hw = &adapter->hw; @@ -3418,7 +3755,8 @@ static int ixgbe_vlan_rx_add_vid(struct net_device *netdev, u16 vid) return 0; } -static int ixgbe_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) +static int ixgbe_vlan_rx_kill_vid(struct net_device *netdev, + __be16 proto, u16 vid) { struct ixgbe_adapter *adapter = netdev_priv(netdev); struct ixgbe_hw *hw = &adapter->hw; @@ -3431,35 +3769,6 @@ static int ixgbe_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) } /** - * ixgbe_vlan_filter_disable - helper to disable hw vlan filtering - * @adapter: driver data - */ -static void ixgbe_vlan_filter_disable(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 vlnctrl; - - vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); - vlnctrl &= ~(IXGBE_VLNCTRL_VFE | IXGBE_VLNCTRL_CFIEN); - IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl); -} - -/** - * ixgbe_vlan_filter_enable - helper to enable hw vlan filtering - * @adapter: driver data - */ -static void ixgbe_vlan_filter_enable(struct ixgbe_adapter *adapter) -{ - struct ixgbe_hw *hw = &adapter->hw; - u32 vlnctrl; - - vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); - vlnctrl |= IXGBE_VLNCTRL_VFE; - vlnctrl &= ~IXGBE_VLNCTRL_CFIEN; - IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl); -} - -/** * ixgbe_vlan_strip_disable - helper to disable hw vlan stripping * @adapter: driver data */ @@ -3478,7 +3787,11 @@ static void ixgbe_vlan_strip_disable(struct ixgbe_adapter *adapter) case ixgbe_mac_82599EB: case ixgbe_mac_X540: for (i = 0; i < adapter->num_rx_queues; i++) { - j = adapter->rx_ring[i]->reg_idx; + struct ixgbe_ring *ring = adapter->rx_ring[i]; + + if (ring->l2_accel_priv) + continue; + j = ring->reg_idx; vlnctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(j)); vlnctrl &= ~IXGBE_RXDCTL_VME; IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(j), vlnctrl); @@ -3508,7 +3821,11 @@ static void ixgbe_vlan_strip_enable(struct ixgbe_adapter *adapter) case ixgbe_mac_82599EB: case ixgbe_mac_X540: for (i = 0; i < adapter->num_rx_queues; i++) { - j = adapter->rx_ring[i]->reg_idx; + struct ixgbe_ring *ring = adapter->rx_ring[i]; + + if (ring->l2_accel_priv) + continue; + j = ring->reg_idx; vlnctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(j)); vlnctrl |= IXGBE_RXDCTL_VME; IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(j), vlnctrl); @@ -3523,12 +3840,164 @@ static void ixgbe_restore_vlan(struct ixgbe_adapter *adapter) { u16 vid; - ixgbe_vlan_rx_add_vid(adapter->netdev, 0); + ixgbe_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), 0); for_each_set_bit(vid, adapter->active_vlans, VLAN_N_VID) - ixgbe_vlan_rx_add_vid(adapter->netdev, vid); + ixgbe_vlan_rx_add_vid(adapter->netdev, htons(ETH_P_8021Q), vid); +} + +/** + * ixgbe_write_mc_addr_list - write multicast addresses to MTA + * @netdev: network interface device structure + * + * Writes multicast address list to the MTA hash table. + * Returns: -ENOMEM on failure + * 0 on no addresses written + * X on writing X addresses to MTA + **/ +static int ixgbe_write_mc_addr_list(struct net_device *netdev) +{ + struct ixgbe_adapter *adapter = netdev_priv(netdev); + struct ixgbe_hw *hw = &adapter->hw; + + if (!netif_running(netdev)) + return 0; + + if (hw->mac.ops.update_mc_addr_list) + hw->mac.ops.update_mc_addr_list(hw, netdev); + else + return -ENOMEM; + +#ifdef CONFIG_PCI_IOV + ixgbe_restore_vf_multicasts(adapter); +#endif + + return netdev_mc_count(netdev); +} + +#ifdef CONFIG_PCI_IOV +void ixgbe_full_sync_mac_table(struct ixgbe_adapter *adapter) +{ + struct ixgbe_hw *hw = &adapter->hw; + int i; + for (i = 0; i < hw->mac.num_rar_entries; i++) { + if (adapter->mac_table[i].state & IXGBE_MAC_STATE_IN_USE) + hw->mac.ops.set_rar(hw, i, adapter->mac_table[i].addr, + adapter->mac_table[i].queue, + IXGBE_RAH_AV); + else + hw->mac.ops.clear_rar(hw, i); + + adapter->mac_table[i].state &= ~(IXGBE_MAC_STATE_MODIFIED); + } +} +#endif + +static void ixgbe_sync_mac_table(struct ixgbe_adapter *adapter) +{ + struct ixgbe_hw *hw = &adapter->hw; + int i; + for (i = 0; i < hw->mac.num_rar_entries; i++) { + if (adapter->mac_table[i].state & IXGBE_MAC_STATE_MODIFIED) { + if (adapter->mac_table[i].state & + IXGBE_MAC_STATE_IN_USE) + hw->mac.ops.set_rar(hw, i, + adapter->mac_table[i].addr, + adapter->mac_table[i].queue, + IXGBE_RAH_AV); + else + hw->mac.ops.clear_rar(hw, i); + + adapter->mac_table[i].state &= + ~(IXGBE_MAC_STATE_MODIFIED); + } + } +} + +static void ixgbe_flush_sw_mac_table(struct ixgbe_adapter *adapter) +{ + int i; + struct ixgbe_hw *hw = &adapter->hw; + + for (i = 0; i < hw->mac.num_rar_entries; i++) { + adapter->mac_table[i].state |= IXGBE_MAC_STATE_MODIFIED; + adapter->mac_table[i].state &= ~IXGBE_MAC_STATE_IN_USE; + memset(adapter->mac_table[i].addr, 0, ETH_ALEN); + adapter->mac_table[i].queue = 0; + } + ixgbe_sync_mac_table(adapter); +} + +static int ixgbe_available_rars(struct ixgbe_adapter *adapter) +{ + struct ixgbe_hw *hw = &adapter->hw; + int i, count = 0; + + for (i = 0; i < hw->mac.num_rar_entries; i++) { + if (adapter->mac_table[i].state == 0) + count++; + } + return count; +} + +/* this function destroys the first RAR entry */ +static void ixgbe_mac_set_default_filter(struct ixgbe_adapter *adapter, + u8 *addr) +{ + struct ixgbe_hw *hw = &adapter->hw; + + memcpy(&adapter->mac_table[0].addr, addr, ETH_ALEN); + adapter->mac_table[0].queue = VMDQ_P(0); + adapter->mac_table[0].state = (IXGBE_MAC_STATE_DEFAULT | + IXGBE_MAC_STATE_IN_USE); + hw->mac.ops.set_rar(hw, 0, adapter->mac_table[0].addr, + adapter->mac_table[0].queue, + IXGBE_RAH_AV); +} + +int ixgbe_add_mac_filter(struct ixgbe_adapter *adapter, u8 *addr, u16 queue) +{ + struct ixgbe_hw *hw = &adapter->hw; + int i; + + if (is_zero_ether_addr(addr)) + return -EINVAL; + + for (i = 0; i < hw->mac.num_rar_entries; i++) { + if (adapter->mac_table[i].state & IXGBE_MAC_STATE_IN_USE) + continue; + adapter->mac_table[i].state |= (IXGBE_MAC_STATE_MODIFIED | + IXGBE_MAC_STATE_IN_USE); + ether_addr_copy(adapter->mac_table[i].addr, addr); + adapter->mac_table[i].queue = queue; + ixgbe_sync_mac_table(adapter); + return i; + } + return -ENOMEM; } +int ixgbe_del_mac_filter(struct ixgbe_adapter *adapter, u8 *addr, u16 queue) +{ + /* search table for addr, if found, set to 0 and sync */ + int i; + struct ixgbe_hw *hw = &adapter->hw; + + if (is_zero_ether_addr(addr)) + return -EINVAL; + + for (i = 0; i < hw->mac.num_rar_entries; i++) { + if (ether_addr_equal(addr, adapter->mac_table[i].addr) && + adapter->mac_table[i].queue == queue) { + adapter->mac_table[i].state |= IXGBE_MAC_STATE_MODIFIED; + adapter->mac_table[i].state &= ~IXGBE_MAC_STATE_IN_USE; + memset(adapter->mac_table[i].addr, 0, ETH_ALEN); + adapter->mac_table[i].queue = 0; + ixgbe_sync_mac_table(adapter); + return 0; + } + } + return -ENOMEM; +} /** * ixgbe_write_uc_addr_list - write unicast addresses to RAR table * @netdev: network interface device structure @@ -3538,39 +4007,23 @@ static void ixgbe_restore_vlan(struct ixgbe_adapter *adapter) * 0 on no addresses written * X on writing X addresses to the RAR table **/ -static int ixgbe_write_uc_addr_list(struct net_device *netdev) +static int ixgbe_write_uc_addr_list(struct net_device *netdev, int vfn) { struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - unsigned int rar_entries = hw->mac.num_rar_entries - 1; int count = 0; - /* In SR-IOV mode significantly less RAR entries are available */ - if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) - rar_entries = IXGBE_MAX_PF_MACVLANS - 1; - /* return ENOMEM indicating insufficient memory for addresses */ - if (netdev_uc_count(netdev) > rar_entries) + if (netdev_uc_count(netdev) > ixgbe_available_rars(adapter)) return -ENOMEM; if (!netdev_uc_empty(netdev)) { struct netdev_hw_addr *ha; - /* return error if we do not support writing to RAR table */ - if (!hw->mac.ops.set_rar) - return -ENOMEM; - netdev_for_each_uc_addr(ha, netdev) { - if (!rar_entries) - break; - hw->mac.ops.set_rar(hw, rar_entries--, ha->addr, - VMDQ_P(0), IXGBE_RAH_AV); + ixgbe_del_mac_filter(adapter, ha->addr, vfn); + ixgbe_add_mac_filter(adapter, ha->addr, vfn); count++; } } - /* write the addresses in reverse order to avoid write combining */ - for (; rar_entries > 0 ; rar_entries--) - hw->mac.ops.clear_rar(hw, rar_entries); - return count; } @@ -3588,11 +4041,12 @@ void ixgbe_set_rx_mode(struct net_device *netdev) struct ixgbe_adapter *adapter = netdev_priv(netdev); struct ixgbe_hw *hw = &adapter->hw; u32 fctrl, vmolr = IXGBE_VMOLR_BAM | IXGBE_VMOLR_AUPE; + u32 vlnctrl; int count; /* Check for Promiscuous and All Multicast modes */ - fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); + vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL); /* set all bits that we expect to always be set */ fctrl &= ~IXGBE_FCTRL_SBP; /* disable store-bad-packets */ @@ -3602,27 +4056,24 @@ void ixgbe_set_rx_mode(struct net_device *netdev) /* clear the bits we are changing the status of */ fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); - + vlnctrl &= ~(IXGBE_VLNCTRL_VFE | IXGBE_VLNCTRL_CFIEN); if (netdev->flags & IFF_PROMISC) { hw->addr_ctrl.user_set_promisc = true; fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE); - vmolr |= (IXGBE_VMOLR_ROPE | IXGBE_VMOLR_MPE); - /* don't hardware filter vlans in promisc mode */ - ixgbe_vlan_filter_disable(adapter); + vmolr |= IXGBE_VMOLR_MPE; + /* Only disable hardware filter vlans in promiscuous mode + * if SR-IOV and VMDQ are disabled - otherwise ensure + * that hardware VLAN filters remain enabled. + */ + if (!(adapter->flags & (IXGBE_FLAG_VMDQ_ENABLED | + IXGBE_FLAG_SRIOV_ENABLED))) + vlnctrl |= (IXGBE_VLNCTRL_VFE | IXGBE_VLNCTRL_CFIEN); } else { if (netdev->flags & IFF_ALLMULTI) { fctrl |= IXGBE_FCTRL_MPE; vmolr |= IXGBE_VMOLR_MPE; - } else { - /* - * Write addresses to the MTA, if the attempt fails - * then we should just turn on promiscuous mode so - * that we can at least receive multicast traffic - */ - hw->mac.ops.update_mc_addr_list(hw, netdev); - vmolr |= IXGBE_VMOLR_ROMPE; } - ixgbe_vlan_filter_enable(adapter); + vlnctrl |= IXGBE_VLNCTRL_VFE; hw->addr_ctrl.user_set_promisc = false; } @@ -3631,14 +4082,23 @@ void ixgbe_set_rx_mode(struct net_device *netdev) * sufficient space to store all the addresses then enable * unicast promiscuous mode */ - count = ixgbe_write_uc_addr_list(netdev); + count = ixgbe_write_uc_addr_list(netdev, VMDQ_P(0)); if (count < 0) { fctrl |= IXGBE_FCTRL_UPE; vmolr |= IXGBE_VMOLR_ROPE; } - if (adapter->num_vfs) - ixgbe_restore_vf_multicasts(adapter); + /* Write addresses to the MTA, if the attempt fails + * then we should just turn on promiscuous mode so + * that we can at least receive multicast traffic + */ + count = ixgbe_write_mc_addr_list(netdev); + if (count < 0) { + fctrl |= IXGBE_FCTRL_MPE; + vmolr |= IXGBE_VMOLR_MPE; + } else if (count) { + vmolr |= IXGBE_VMOLR_ROMPE; + } if (hw->mac.type != ixgbe_mac_82598EB) { vmolr |= IXGBE_READ_REG(hw, IXGBE_VMOLR(VMDQ_P(0))) & @@ -3659,9 +4119,10 @@ void ixgbe_set_rx_mode(struct net_device *netdev) /* NOTE: VLAN filtering is disabled by setting PROMISC */ } + IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl); IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl); - if (netdev->features & NETIF_F_HW_VLAN_RX) + if (netdev->features & NETIF_F_HW_VLAN_CTAG_RX) ixgbe_vlan_strip_enable(adapter); else ixgbe_vlan_strip_disable(adapter); @@ -3671,16 +4132,23 @@ static void ixgbe_napi_enable_all(struct ixgbe_adapter *adapter) { int q_idx; - for (q_idx = 0; q_idx < adapter->num_q_vectors; q_idx++) + for (q_idx = 0; q_idx < adapter->num_q_vectors; q_idx++) { + ixgbe_qv_init_lock(adapter->q_vector[q_idx]); napi_enable(&adapter->q_vector[q_idx]->napi); + } } static void ixgbe_napi_disable_all(struct ixgbe_adapter *adapter) { int q_idx; - for (q_idx = 0; q_idx < adapter->num_q_vectors; q_idx++) + for (q_idx = 0; q_idx < adapter->num_q_vectors; q_idx++) { napi_disable(&adapter->q_vector[q_idx]->napi); + while (!ixgbe_qv_disable(adapter->q_vector[q_idx])) { + pr_info("QV %d locked\n", q_idx); + usleep_range(1000, 20000); + } + } } #ifdef CONFIG_IXGBE_DCB @@ -3768,8 +4236,8 @@ static int ixgbe_hpbthresh(struct ixgbe_adapter *adapter, int pb) (tc < IXGBE_FCOE_JUMBO_FRAME_SIZE) && (pb == ixgbe_fcoe_get_tc(adapter))) tc = IXGBE_FCOE_JUMBO_FRAME_SIZE; - #endif + /* Calculate delay value for device */ switch (hw->mac.type) { case ixgbe_mac_X540: @@ -3810,7 +4278,7 @@ static int ixgbe_hpbthresh(struct ixgbe_adapter *adapter, int pb) * @adapter: board private structure to calculate for * @pb: packet buffer to calculate */ -static int ixgbe_lpbthresh(struct ixgbe_adapter *adapter) +static int ixgbe_lpbthresh(struct ixgbe_adapter *adapter, int pb) { struct ixgbe_hw *hw = &adapter->hw; struct net_device *dev = adapter->netdev; @@ -3820,6 +4288,14 @@ static int ixgbe_lpbthresh(struct ixgbe_adapter *adapter) /* Calculate max LAN frame size */ tc = dev->mtu + ETH_HLEN + ETH_FCS_LEN; +#ifdef IXGBE_FCOE + /* FCoE traffic class uses FCOE jumbo frames */ + if ((dev->features & NETIF_F_FCOE_MTU) && + (tc < IXGBE_FCOE_JUMBO_FRAME_SIZE) && + (pb == netdev_get_prio_tc_map(dev, adapter->fcoe.up))) + tc = IXGBE_FCOE_JUMBO_FRAME_SIZE; +#endif + /* Calculate delay value for device */ switch (hw->mac.type) { case ixgbe_mac_X540: @@ -3846,15 +4322,17 @@ static void ixgbe_pbthresh_setup(struct ixgbe_adapter *adapter) if (!num_tc) num_tc = 1; - hw->fc.low_water = ixgbe_lpbthresh(adapter); - for (i = 0; i < num_tc; i++) { hw->fc.high_water[i] = ixgbe_hpbthresh(adapter, i); + hw->fc.low_water[i] = ixgbe_lpbthresh(adapter, i); /* Low water marks must not be larger than high water marks */ - if (hw->fc.low_water > hw->fc.high_water[i]) - hw->fc.low_water = 0; + if (hw->fc.low_water[i] > hw->fc.high_water[i]) + hw->fc.low_water[i] = 0; } + + for (; i < MAX_TRAFFIC_CLASS; i++) + hw->fc.high_water[i] = 0; } static void ixgbe_configure_pb(struct ixgbe_adapter *adapter) @@ -3876,7 +4354,7 @@ static void ixgbe_configure_pb(struct ixgbe_adapter *adapter) static void ixgbe_fdir_filter_restore(struct ixgbe_adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; - struct hlist_node *node, *node2; + struct hlist_node *node2; struct ixgbe_fdir_filter *filter; spin_lock(&adapter->fdir_perfect_lock); @@ -3884,7 +4362,7 @@ static void ixgbe_fdir_filter_restore(struct ixgbe_adapter *adapter) if (!hlist_empty(&adapter->fdir_filter_list)) ixgbe_fdir_set_input_mask_82599(hw, &adapter->fdir_mask); - hlist_for_each_entry_safe(filter, node, node2, + hlist_for_each_entry_safe(filter, node2, &adapter->fdir_filter_list, fdir_node) { ixgbe_fdir_write_perfect_filter_82599(hw, &filter->filter, @@ -3897,6 +4375,218 @@ static void ixgbe_fdir_filter_restore(struct ixgbe_adapter *adapter) spin_unlock(&adapter->fdir_perfect_lock); } +static void ixgbe_macvlan_set_rx_mode(struct net_device *dev, unsigned int pool, + struct ixgbe_adapter *adapter) +{ + struct ixgbe_hw *hw = &adapter->hw; + u32 vmolr; + + /* No unicast promiscuous support for VMDQ devices. */ + vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(pool)); + vmolr |= (IXGBE_VMOLR_ROMPE | IXGBE_VMOLR_BAM | IXGBE_VMOLR_AUPE); + + /* clear the affected bit */ + vmolr &= ~IXGBE_VMOLR_MPE; + + if (dev->flags & IFF_ALLMULTI) { + vmolr |= IXGBE_VMOLR_MPE; + } else { + vmolr |= IXGBE_VMOLR_ROMPE; + hw->mac.ops.update_mc_addr_list(hw, dev); + } + ixgbe_write_uc_addr_list(adapter->netdev, pool); + IXGBE_WRITE_REG(hw, IXGBE_VMOLR(pool), vmolr); +} + +static void ixgbe_fwd_psrtype(struct ixgbe_fwd_adapter *vadapter) +{ + struct ixgbe_adapter *adapter = vadapter->real_adapter; + int rss_i = adapter->num_rx_queues_per_pool; + struct ixgbe_hw *hw = &adapter->hw; + u16 pool = vadapter->pool; + u32 psrtype = IXGBE_PSRTYPE_TCPHDR | + IXGBE_PSRTYPE_UDPHDR | + IXGBE_PSRTYPE_IPV4HDR | + IXGBE_PSRTYPE_L2HDR | + IXGBE_PSRTYPE_IPV6HDR; + + if (hw->mac.type == ixgbe_mac_82598EB) + return; + + if (rss_i > 3) + psrtype |= 2 << 29; + else if (rss_i > 1) + psrtype |= 1 << 29; + + IXGBE_WRITE_REG(hw, IXGBE_PSRTYPE(VMDQ_P(pool)), psrtype); +} + +/** + * ixgbe_clean_rx_ring - Free Rx Buffers per Queue + * @rx_ring: ring to free buffers from + **/ +static void ixgbe_clean_rx_ring(struct ixgbe_ring *rx_ring) +{ + struct device *dev = rx_ring->dev; + unsigned long size; + u16 i; + + /* ring already cleared, nothing to do */ + if (!rx_ring->rx_buffer_info) + return; + + /* Free all the Rx ring sk_buffs */ + for (i = 0; i < rx_ring->count; i++) { + struct ixgbe_rx_buffer *rx_buffer; + + rx_buffer = &rx_ring->rx_buffer_info[i]; + if (rx_buffer->skb) { + struct sk_buff *skb = rx_buffer->skb; + if (IXGBE_CB(skb)->page_released) { + dma_unmap_page(dev, + IXGBE_CB(skb)->dma, + ixgbe_rx_bufsz(rx_ring), + DMA_FROM_DEVICE); + IXGBE_CB(skb)->page_released = false; + } + dev_kfree_skb(skb); + } + rx_buffer->skb = NULL; + if (rx_buffer->dma) + dma_unmap_page(dev, rx_buffer->dma, + ixgbe_rx_pg_size(rx_ring), + DMA_FROM_DEVICE); + rx_buffer->dma = 0; + if (rx_buffer->page) + __free_pages(rx_buffer->page, + ixgbe_rx_pg_order(rx_ring)); + rx_buffer->page = NULL; + } + + size = sizeof(struct ixgbe_rx_buffer) * rx_ring->count; + memset(rx_ring->rx_buffer_info, 0, size); + + /* Zero out the descriptor ring */ + memset(rx_ring->desc, 0, rx_ring->size); + + rx_ring->next_to_alloc = 0; + rx_ring->next_to_clean = 0; + rx_ring->next_to_use = 0; +} + +static void ixgbe_disable_fwd_ring(struct ixgbe_fwd_adapter *vadapter, + struct ixgbe_ring *rx_ring) +{ + struct ixgbe_adapter *adapter = vadapter->real_adapter; + int index = rx_ring->queue_index + vadapter->rx_base_queue; + + /* shutdown specific queue receive and wait for dma to settle */ + ixgbe_disable_rx_queue(adapter, rx_ring); + usleep_range(10000, 20000); + ixgbe_irq_disable_queues(adapter, ((u64)1 << index)); + ixgbe_clean_rx_ring(rx_ring); + rx_ring->l2_accel_priv = NULL; +} + +static int ixgbe_fwd_ring_down(struct net_device *vdev, + struct ixgbe_fwd_adapter *accel) +{ + struct ixgbe_adapter *adapter = accel->real_adapter; + unsigned int rxbase = accel->rx_base_queue; + unsigned int txbase = accel->tx_base_queue; + int i; + + netif_tx_stop_all_queues(vdev); + + for (i = 0; i < adapter->num_rx_queues_per_pool; i++) { + ixgbe_disable_fwd_ring(accel, adapter->rx_ring[rxbase + i]); + adapter->rx_ring[rxbase + i]->netdev = adapter->netdev; + } + + for (i = 0; i < adapter->num_rx_queues_per_pool; i++) { + adapter->tx_ring[txbase + i]->l2_accel_priv = NULL; + adapter->tx_ring[txbase + i]->netdev = adapter->netdev; + } + + + return 0; +} + +static int ixgbe_fwd_ring_up(struct net_device *vdev, + struct ixgbe_fwd_adapter *accel) +{ + struct ixgbe_adapter *adapter = accel->real_adapter; + unsigned int rxbase, txbase, queues; + int i, baseq, err = 0; + + if (!test_bit(accel->pool, &adapter->fwd_bitmask)) + return 0; + + baseq = accel->pool * adapter->num_rx_queues_per_pool; + netdev_dbg(vdev, "pool %i:%i queues %i:%i VSI bitmask %lx\n", + accel->pool, adapter->num_rx_pools, + baseq, baseq + adapter->num_rx_queues_per_pool, + adapter->fwd_bitmask); + + accel->netdev = vdev; + accel->rx_base_queue = rxbase = baseq; + accel->tx_base_queue = txbase = baseq; + + for (i = 0; i < adapter->num_rx_queues_per_pool; i++) + ixgbe_disable_fwd_ring(accel, adapter->rx_ring[rxbase + i]); + + for (i = 0; i < adapter->num_rx_queues_per_pool; i++) { + adapter->rx_ring[rxbase + i]->netdev = vdev; + adapter->rx_ring[rxbase + i]->l2_accel_priv = accel; + ixgbe_configure_rx_ring(adapter, adapter->rx_ring[rxbase + i]); + } + + for (i = 0; i < adapter->num_rx_queues_per_pool; i++) { + adapter->tx_ring[txbase + i]->netdev = vdev; + adapter->tx_ring[txbase + i]->l2_accel_priv = accel; + } + + queues = min_t(unsigned int, + adapter->num_rx_queues_per_pool, vdev->num_tx_queues); + err = netif_set_real_num_tx_queues(vdev, queues); + if (err) + goto fwd_queue_err; + + err = netif_set_real_num_rx_queues(vdev, queues); + if (err) + goto fwd_queue_err; + + if (is_valid_ether_addr(vdev->dev_addr)) + ixgbe_add_mac_filter(adapter, vdev->dev_addr, accel->pool); + + ixgbe_fwd_psrtype(accel); + ixgbe_macvlan_set_rx_mode(vdev, accel->pool, adapter); + return err; +fwd_queue_err: + ixgbe_fwd_ring_down(vdev, accel); + return err; +} + +static void ixgbe_configure_dfwd(struct ixgbe_adapter *adapter) +{ + struct net_device *upper; + struct list_head *iter; + int err; + + netdev_for_each_all_upper_dev_rcu(adapter->netdev, upper, iter) { + if (netif_is_macvlan(upper)) { + struct macvlan_dev *dfwd = netdev_priv(upper); + struct ixgbe_fwd_adapter *vadapter = dfwd->fwd_priv; + + if (dfwd->fwd_priv) { + err = ixgbe_fwd_ring_up(upper, vadapter); + if (err) + continue; + } + } + } +} + static void ixgbe_configure(struct ixgbe_adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; @@ -3948,6 +4638,7 @@ static void ixgbe_configure(struct ixgbe_adapter *adapter) #endif /* IXGBE_FCOE */ ixgbe_configure_tx(adapter); ixgbe_configure_rx(adapter); + ixgbe_configure_dfwd(adapter); } static inline bool ixgbe_is_sfp(struct ixgbe_hw *hw) @@ -3961,6 +4652,12 @@ static inline bool ixgbe_is_sfp(struct ixgbe_hw *hw) case ixgbe_phy_sfp_passive_unknown: case ixgbe_phy_sfp_active_unknown: case ixgbe_phy_sfp_ftl_active: + case ixgbe_phy_qsfp_passive_unknown: + case ixgbe_phy_qsfp_active_unknown: + case ixgbe_phy_qsfp_intel: + case ixgbe_phy_qsfp_unknown: + /* ixgbe_phy_none is set when no SFP module is present */ + case ixgbe_phy_none: return true; case ixgbe_phy_nl: if (hw->mac.type == ixgbe_mac_82598EB) @@ -3996,25 +4693,25 @@ static void ixgbe_sfp_link_config(struct ixgbe_adapter *adapter) **/ static int ixgbe_non_sfp_link_config(struct ixgbe_hw *hw) { - u32 autoneg; - bool negotiation, link_up = false; + u32 speed; + bool autoneg, link_up = false; u32 ret = IXGBE_ERR_LINK_SETUP; if (hw->mac.ops.check_link) - ret = hw->mac.ops.check_link(hw, &autoneg, &link_up, false); + ret = hw->mac.ops.check_link(hw, &speed, &link_up, false); if (ret) goto link_cfg_out; - autoneg = hw->phy.autoneg_advertised; - if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) - ret = hw->mac.ops.get_link_capabilities(hw, &autoneg, - &negotiation); + speed = hw->phy.autoneg_advertised; + if ((!speed) && (hw->mac.ops.get_link_capabilities)) + ret = hw->mac.ops.get_link_capabilities(hw, &speed, + &autoneg); if (ret) goto link_cfg_out; if (hw->mac.ops.setup_link) - ret = hw->mac.ops.setup_link(hw, autoneg, negotiation, link_up); + ret = hw->mac.ops.setup_link(hw, speed, link_up); link_cfg_out: return ret; } @@ -4112,6 +4809,7 @@ static void ixgbe_up_complete(struct ixgbe_adapter *adapter) if (hw->mac.ops.enable_tx_laser) hw->mac.ops.enable_tx_laser(hw); + smp_mb__before_atomic(); clear_bit(__IXGBE_DOWN, &adapter->state); ixgbe_napi_enable_all(adapter); @@ -4137,9 +4835,6 @@ static void ixgbe_up_complete(struct ixgbe_adapter *adapter) e_crit(drv, "Fan has stopped, replace the adapter\n"); } - /* enable transmits */ - netif_tx_start_all_queues(adapter->netdev); - /* bring the link up in the watchdog, this could race with our first * link up interrupt but shouldn't be a problem */ adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE; @@ -4184,8 +4879,12 @@ void ixgbe_up(struct ixgbe_adapter *adapter) void ixgbe_reset(struct ixgbe_adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; + struct net_device *netdev = adapter->netdev; int err; + u8 old_addr[ETH_ALEN]; + if (ixgbe_removed(hw->hw_addr)) + return; /* lock SFP init bit to prevent race conditions with the watchdog */ while (test_and_set_bit(__IXGBE_IN_SFP_INIT, &adapter->state)) usleep_range(1000, 2000); @@ -4218,72 +4917,20 @@ void ixgbe_reset(struct ixgbe_adapter *adapter) } clear_bit(__IXGBE_IN_SFP_INIT, &adapter->state); - - /* reprogram the RAR[0] in case user changed it. */ - hw->mac.ops.set_rar(hw, 0, hw->mac.addr, VMDQ_P(0), IXGBE_RAH_AV); + /* do not flush user set addresses */ + memcpy(old_addr, &adapter->mac_table[0].addr, netdev->addr_len); + ixgbe_flush_sw_mac_table(adapter); + ixgbe_mac_set_default_filter(adapter, old_addr); /* update SAN MAC vmdq pool selection */ if (hw->mac.san_mac_rar_index) hw->mac.ops.set_vmdq_san_mac(hw, VMDQ_P(0)); - if (adapter->flags2 & IXGBE_FLAG2_PTP_ENABLED) + if (test_bit(__IXGBE_PTP_RUNNING, &adapter->state)) ixgbe_ptp_reset(adapter); } /** - * ixgbe_clean_rx_ring - Free Rx Buffers per Queue - * @rx_ring: ring to free buffers from - **/ -static void ixgbe_clean_rx_ring(struct ixgbe_ring *rx_ring) -{ - struct device *dev = rx_ring->dev; - unsigned long size; - u16 i; - - /* ring already cleared, nothing to do */ - if (!rx_ring->rx_buffer_info) - return; - - /* Free all the Rx ring sk_buffs */ - for (i = 0; i < rx_ring->count; i++) { - struct ixgbe_rx_buffer *rx_buffer; - - rx_buffer = &rx_ring->rx_buffer_info[i]; - if (rx_buffer->skb) { - struct sk_buff *skb = rx_buffer->skb; - if (IXGBE_CB(skb)->page_released) { - dma_unmap_page(dev, - IXGBE_CB(skb)->dma, - ixgbe_rx_bufsz(rx_ring), - DMA_FROM_DEVICE); - IXGBE_CB(skb)->page_released = false; - } - dev_kfree_skb(skb); - } - rx_buffer->skb = NULL; - if (rx_buffer->dma) - dma_unmap_page(dev, rx_buffer->dma, - ixgbe_rx_pg_size(rx_ring), - DMA_FROM_DEVICE); - rx_buffer->dma = 0; - if (rx_buffer->page) - __free_pages(rx_buffer->page, - ixgbe_rx_pg_order(rx_ring)); - rx_buffer->page = NULL; - } - - size = sizeof(struct ixgbe_rx_buffer) * rx_ring->count; - memset(rx_ring->rx_buffer_info, 0, size); - - /* Zero out the descriptor ring */ - memset(rx_ring->desc, 0, rx_ring->size); - - rx_ring->next_to_alloc = 0; - rx_ring->next_to_clean = 0; - rx_ring->next_to_use = 0; -} - -/** * ixgbe_clean_tx_ring - Free Tx Buffers * @tx_ring: ring to be cleaned **/ @@ -4341,12 +4988,12 @@ static void ixgbe_clean_all_tx_rings(struct ixgbe_adapter *adapter) static void ixgbe_fdir_filter_exit(struct ixgbe_adapter *adapter) { - struct hlist_node *node, *node2; + struct hlist_node *node2; struct ixgbe_fdir_filter *filter; spin_lock(&adapter->fdir_perfect_lock); - hlist_for_each_entry_safe(filter, node, node2, + hlist_for_each_entry_safe(filter, node2, &adapter->fdir_filter_list, fdir_node) { hlist_del(&filter->fdir_node); kfree(filter); @@ -4360,11 +5007,14 @@ void ixgbe_down(struct ixgbe_adapter *adapter) { struct net_device *netdev = adapter->netdev; struct ixgbe_hw *hw = &adapter->hw; + struct net_device *upper; + struct list_head *iter; u32 rxctrl; int i; /* signal that we are down to the interrupt handler */ - set_bit(__IXGBE_DOWN, &adapter->state); + if (test_and_set_bit(__IXGBE_DOWN, &adapter->state)) + return; /* do nothing if already down */ /* disable receives */ rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL); @@ -4383,6 +5033,19 @@ void ixgbe_down(struct ixgbe_adapter *adapter) netif_carrier_off(netdev); netif_tx_disable(netdev); + /* disable any upper devices */ + netdev_for_each_all_upper_dev_rcu(adapter->netdev, upper, iter) { + if (netif_is_macvlan(upper)) { + struct macvlan_dev *vlan = netdev_priv(upper); + + if (vlan->fwd_priv) { + netif_tx_stop_all_queues(upper); + netif_carrier_off(upper); + netif_tx_disable(upper); + } + } + } + ixgbe_irq_disable(adapter); ixgbe_napi_disable_all(adapter); @@ -4466,7 +5129,7 @@ static int ixgbe_sw_init(struct ixgbe_adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; struct pci_dev *pdev = adapter->pdev; - unsigned int rss; + unsigned int rss, fdir; u32 fwsm; #ifdef CONFIG_IXGBE_DCB int j; @@ -4481,38 +5144,61 @@ static int ixgbe_sw_init(struct ixgbe_adapter *adapter) hw->subsystem_vendor_id = pdev->subsystem_vendor; hw->subsystem_device_id = pdev->subsystem_device; - /* Set capability flags */ + /* Set common capability flags and settings */ rss = min_t(int, IXGBE_MAX_RSS_INDICES, num_online_cpus()); adapter->ring_feature[RING_F_RSS].limit = rss; + adapter->flags2 |= IXGBE_FLAG2_RSC_CAPABLE; + adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED; + adapter->max_q_vectors = MAX_Q_VECTORS_82599; + adapter->atr_sample_rate = 20; + fdir = min_t(int, IXGBE_MAX_FDIR_INDICES, num_online_cpus()); + adapter->ring_feature[RING_F_FDIR].limit = fdir; + adapter->fdir_pballoc = IXGBE_FDIR_PBALLOC_64K; +#ifdef CONFIG_IXGBE_DCA + adapter->flags |= IXGBE_FLAG_DCA_CAPABLE; +#endif +#ifdef IXGBE_FCOE + adapter->flags |= IXGBE_FLAG_FCOE_CAPABLE; + adapter->flags &= ~IXGBE_FLAG_FCOE_ENABLED; +#ifdef CONFIG_IXGBE_DCB + /* Default traffic class to use for FCoE */ + adapter->fcoe.up = IXGBE_FCOE_DEFTC; +#endif /* CONFIG_IXGBE_DCB */ +#endif /* IXGBE_FCOE */ + + adapter->mac_table = kzalloc(sizeof(struct ixgbe_mac_addr) * + hw->mac.num_rar_entries, + GFP_ATOMIC); + + /* Set MAC specific capability flags and exceptions */ switch (hw->mac.type) { case ixgbe_mac_82598EB: + adapter->flags2 &= ~IXGBE_FLAG2_RSC_CAPABLE; + adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED; + if (hw->device_id == IXGBE_DEV_ID_82598AT) adapter->flags |= IXGBE_FLAG_FAN_FAIL_CAPABLE; + adapter->max_q_vectors = MAX_Q_VECTORS_82598; + adapter->ring_feature[RING_F_FDIR].limit = 0; + adapter->atr_sample_rate = 0; + adapter->fdir_pballoc = 0; +#ifdef IXGBE_FCOE + adapter->flags &= ~IXGBE_FLAG_FCOE_CAPABLE; + adapter->flags &= ~IXGBE_FLAG_FCOE_ENABLED; +#ifdef CONFIG_IXGBE_DCB + adapter->fcoe.up = 0; +#endif /* IXGBE_DCB */ +#endif /* IXGBE_FCOE */ + break; + case ixgbe_mac_82599EB: + if (hw->device_id == IXGBE_DEV_ID_82599_T3_LOM) + adapter->flags2 |= IXGBE_FLAG2_TEMP_SENSOR_CAPABLE; break; case ixgbe_mac_X540: fwsm = IXGBE_READ_REG(hw, IXGBE_FWSM); if (fwsm & IXGBE_FWSM_TS_ENABLED) adapter->flags2 |= IXGBE_FLAG2_TEMP_SENSOR_CAPABLE; - case ixgbe_mac_82599EB: - adapter->max_q_vectors = MAX_Q_VECTORS_82599; - adapter->flags2 |= IXGBE_FLAG2_RSC_CAPABLE; - adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED; - if (hw->device_id == IXGBE_DEV_ID_82599_T3_LOM) - adapter->flags2 |= IXGBE_FLAG2_TEMP_SENSOR_CAPABLE; - /* Flow Director hash filters enabled */ - adapter->atr_sample_rate = 20; - adapter->ring_feature[RING_F_FDIR].limit = - IXGBE_MAX_FDIR_INDICES; - adapter->fdir_pballoc = IXGBE_FDIR_PBALLOC_64K; -#ifdef IXGBE_FCOE - adapter->flags |= IXGBE_FLAG_FCOE_CAPABLE; - adapter->flags &= ~IXGBE_FLAG_FCOE_ENABLED; -#ifdef CONFIG_IXGBE_DCB - /* Default traffic class to use for FCoE */ - adapter->fcoe.up = IXGBE_FCOE_DEFTC; -#endif -#endif /* IXGBE_FCOE */ break; default: break; @@ -4569,15 +5255,23 @@ static int ixgbe_sw_init(struct ixgbe_adapter *adapter) ixgbe_pbthresh_setup(adapter); hw->fc.pause_time = IXGBE_DEFAULT_FCPAUSE; hw->fc.send_xon = true; - hw->fc.disable_fc_autoneg = - (ixgbe_device_supports_autoneg_fc(hw) == 0) ? false : true; + hw->fc.disable_fc_autoneg = ixgbe_device_supports_autoneg_fc(hw); #ifdef CONFIG_PCI_IOV + if (max_vfs > 0) + e_dev_warn("Enabling SR-IOV VFs using the max_vfs module parameter is deprecated - please use the pci sysfs interface instead.\n"); + /* assign number of SR-IOV VFs */ - if (hw->mac.type != ixgbe_mac_82598EB) - adapter->num_vfs = (max_vfs > 63) ? 0 : max_vfs; + if (hw->mac.type != ixgbe_mac_82598EB) { + if (max_vfs > IXGBE_MAX_VFS_DRV_LIMIT) { + adapter->num_vfs = 0; + e_dev_warn("max_vfs parameter out of range. Not assigning any SR-IOV VFs\n"); + } else { + adapter->num_vfs = max_vfs; + } + } +#endif /* CONFIG_PCI_IOV */ -#endif /* enable itr by default in dynamic mode */ adapter->rx_itr_setting = 1; adapter->tx_itr_setting = 1; @@ -4595,6 +5289,8 @@ static int ixgbe_sw_init(struct ixgbe_adapter *adapter) return -EIO; } + /* PF holds first pool slot */ + set_bit(0, &adapter->fwd_bitmask); set_bit(__IXGBE_DOWN, &adapter->state); return 0; @@ -4624,6 +5320,8 @@ int ixgbe_setup_tx_resources(struct ixgbe_ring *tx_ring) if (!tx_ring->tx_buffer_info) goto err; + u64_stats_init(&tx_ring->syncp); + /* round up to nearest 4K */ tx_ring->size = tx_ring->count * sizeof(union ixgbe_adv_tx_desc); tx_ring->size = ALIGN(tx_ring->size, 4096); @@ -4706,6 +5404,8 @@ int ixgbe_setup_rx_resources(struct ixgbe_ring *rx_ring) if (!rx_ring->rx_buffer_info) goto err; + u64_stats_init(&rx_ring->syncp); + /* Round up to nearest 4K */ rx_ring->size = rx_ring->count * sizeof(union ixgbe_adv_rx_desc); rx_ring->size = ALIGN(rx_ring->size, 4096); @@ -4871,7 +5571,7 @@ static int ixgbe_change_mtu(struct net_device *netdev, int new_mtu) */ if ((adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) && (adapter->hw.mac.type == ixgbe_mac_82599EB) && - (max_frame > MAXIMUM_ETHERNET_VLAN_SIZE)) + (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN))) e_warn(probe, "Setting MTU > 1500 will disable legacy VFs\n"); e_info(probe, "changing MTU from %d to %d\n", netdev->mtu, new_mtu); @@ -4900,7 +5600,7 @@ static int ixgbe_change_mtu(struct net_device *netdev, int new_mtu) static int ixgbe_open(struct net_device *netdev) { struct ixgbe_adapter *adapter = netdev_priv(netdev); - int err; + int err, queues; /* disallow open during test */ if (test_bit(__IXGBE_TESTING, &adapter->state)) @@ -4925,16 +5625,21 @@ static int ixgbe_open(struct net_device *netdev) goto err_req_irq; /* Notify the stack of the actual queue counts. */ - err = netif_set_real_num_tx_queues(netdev, - adapter->num_rx_pools > 1 ? 1 : - adapter->num_tx_queues); + if (adapter->num_rx_pools > 1) + queues = adapter->num_rx_queues_per_pool; + else + queues = adapter->num_tx_queues; + + err = netif_set_real_num_tx_queues(netdev, queues); if (err) goto err_set_queues; - - err = netif_set_real_num_rx_queues(netdev, - adapter->num_rx_pools > 1 ? 1 : - adapter->num_rx_queues); + if (adapter->num_rx_pools > 1 && + adapter->num_rx_queues > IXGBE_MAX_L2A_QUEUES) + queues = IXGBE_MAX_L2A_QUEUES; + else + queues = adapter->num_rx_queues; + err = netif_set_real_num_rx_queues(netdev, queues); if (err) goto err_set_queues; @@ -4956,6 +5661,17 @@ err_setup_tx: return err; } +static void ixgbe_close_suspend(struct ixgbe_adapter *adapter) +{ + ixgbe_ptp_suspend(adapter); + + ixgbe_down(adapter); + ixgbe_free_irq(adapter); + + ixgbe_free_all_tx_resources(adapter); + ixgbe_free_all_rx_resources(adapter); +} + /** * ixgbe_close - Disables a network interface * @netdev: network interface device structure @@ -4973,14 +5689,10 @@ static int ixgbe_close(struct net_device *netdev) ixgbe_ptp_stop(adapter); - ixgbe_down(adapter); - ixgbe_free_irq(adapter); + ixgbe_close_suspend(adapter); ixgbe_fdir_filter_exit(adapter); - ixgbe_free_all_tx_resources(adapter); - ixgbe_free_all_rx_resources(adapter); - ixgbe_release_hw_control(adapter); return 0; @@ -4993,6 +5705,7 @@ static int ixgbe_resume(struct pci_dev *pdev) struct net_device *netdev = adapter->netdev; u32 err; + adapter->hw.hw_addr = adapter->io_addr; pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); /* @@ -5006,6 +5719,8 @@ static int ixgbe_resume(struct pci_dev *pdev) e_dev_err("Cannot enable PCI device from suspend\n"); return err; } + smp_mb__before_atomic(); + clear_bit(__IXGBE_DISABLED, &adapter->state); pci_set_master(pdev); pci_wake_from_d3(pdev, false); @@ -5043,14 +5758,10 @@ static int __ixgbe_shutdown(struct pci_dev *pdev, bool *enable_wake) netif_device_detach(netdev); - if (netif_running(netdev)) { - rtnl_lock(); - ixgbe_down(adapter); - ixgbe_free_irq(adapter); - ixgbe_free_all_tx_resources(adapter); - ixgbe_free_all_rx_resources(adapter); - rtnl_unlock(); - } + rtnl_lock(); + if (netif_running(netdev)) + ixgbe_close_suspend(adapter); + rtnl_unlock(); ixgbe_clear_interrupt_scheme(adapter); @@ -5060,6 +5771,9 @@ static int __ixgbe_shutdown(struct pci_dev *pdev, bool *enable_wake) return retval; #endif + if (hw->mac.ops.stop_link_on_d3) + hw->mac.ops.stop_link_on_d3(hw); + if (wufc) { ixgbe_set_rx_mode(netdev); @@ -5100,7 +5814,8 @@ static int __ixgbe_shutdown(struct pci_dev *pdev, bool *enable_wake) ixgbe_release_hw_control(adapter); - pci_disable_device(pdev); + if (!test_and_set_bit(__IXGBE_DISABLED, &adapter->state)) + pci_disable_device(pdev); return 0; } @@ -5377,7 +6092,7 @@ static void ixgbe_fdir_reinit_subtask(struct ixgbe_adapter *adapter) if (ixgbe_reinit_fdir_tables_82599(hw) == 0) { for (i = 0; i < adapter->num_tx_queues; i++) set_bit(__IXGBE_TX_FDIR_INIT_DONE, - &(adapter->tx_ring[i]->state)); + &(adapter->tx_ring[i]->state)); /* re-enable flow director interrupts */ IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMS_FLOW_DIR); } else { @@ -5401,8 +6116,9 @@ static void ixgbe_check_hang_subtask(struct ixgbe_adapter *adapter) u64 eics = 0; int i; - /* If we're down or resetting, just bail */ + /* If we're down, removing or resetting, just bail */ if (test_bit(__IXGBE_DOWN, &adapter->state) || + test_bit(__IXGBE_REMOVING, &adapter->state) || test_bit(__IXGBE_RESETTING, &adapter->state)) return; @@ -5503,6 +6219,8 @@ static void ixgbe_watchdog_link_is_up(struct ixgbe_adapter *adapter) { struct net_device *netdev = adapter->netdev; struct ixgbe_hw *hw = &adapter->hw; + struct net_device *upper; + struct list_head *iter; u32 link_speed = adapter->link_speed; bool flow_rx, flow_tx; @@ -5534,7 +6252,9 @@ static void ixgbe_watchdog_link_is_up(struct ixgbe_adapter *adapter) break; } - if (adapter->flags2 & IXGBE_FLAG2_PTP_ENABLED) + adapter->last_rx_ptp_check = jiffies; + + if (test_bit(__IXGBE_PTP_RUNNING, &adapter->state)) ixgbe_ptp_start_cyclecounter(adapter); e_info(drv, "NIC Link is Up %s, Flow Control: %s\n", @@ -5552,6 +6272,21 @@ static void ixgbe_watchdog_link_is_up(struct ixgbe_adapter *adapter) netif_carrier_on(netdev); ixgbe_check_vf_rate_limit(adapter); + /* enable transmits */ + netif_tx_wake_all_queues(adapter->netdev); + + /* enable any upper devices */ + rtnl_lock(); + netdev_for_each_all_upper_dev_rcu(adapter->netdev, upper, iter) { + if (netif_is_macvlan(upper)) { + struct macvlan_dev *vlan = netdev_priv(upper); + + if (vlan->fwd_priv) + netif_tx_wake_all_queues(upper); + } + } + rtnl_unlock(); + /* update the default user priority for VFs */ ixgbe_update_default_up(adapter); @@ -5580,7 +6315,7 @@ static void ixgbe_watchdog_link_is_down(struct ixgbe_adapter *adapter) if (ixgbe_is_sfp(hw) && hw->mac.type == ixgbe_mac_82598EB) adapter->flags2 |= IXGBE_FLAG2_SEARCH_FOR_SFP; - if (adapter->flags2 & IXGBE_FLAG2_PTP_ENABLED) + if (test_bit(__IXGBE_PTP_RUNNING, &adapter->state)) ixgbe_ptp_start_cyclecounter(adapter); e_info(drv, "NIC Link is Down\n"); @@ -5614,6 +6349,7 @@ static void ixgbe_watchdog_flush_tx(struct ixgbe_adapter *adapter) * to get done, so reset controller to flush Tx. * (Do the reset outside of interrupt context). */ + e_warn(drv, "initiating reset to clear Tx work after link loss\n"); adapter->flags2 |= IXGBE_FLAG2_RESET_REQUESTED; } } @@ -5646,8 +6382,9 @@ static void ixgbe_spoof_check(struct ixgbe_adapter *adapter) **/ static void ixgbe_watchdog_subtask(struct ixgbe_adapter *adapter) { - /* if interface is down do nothing */ + /* if interface is down, removing or resetting, do nothing */ if (test_bit(__IXGBE_DOWN, &adapter->state) || + test_bit(__IXGBE_REMOVING, &adapter->state) || test_bit(__IXGBE_RESETTING, &adapter->state)) return; @@ -5738,8 +6475,8 @@ sfp_out: static void ixgbe_sfp_link_config_subtask(struct ixgbe_adapter *adapter) { struct ixgbe_hw *hw = &adapter->hw; - u32 autoneg; - bool negotiation; + u32 speed; + bool autoneg = false; if (!(adapter->flags & IXGBE_FLAG_NEED_LINK_CONFIG)) return; @@ -5750,11 +6487,19 @@ static void ixgbe_sfp_link_config_subtask(struct ixgbe_adapter *adapter) adapter->flags &= ~IXGBE_FLAG_NEED_LINK_CONFIG; - autoneg = hw->phy.autoneg_advertised; - if ((!autoneg) && (hw->mac.ops.get_link_capabilities)) - hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiation); + speed = hw->phy.autoneg_advertised; + if ((!speed) && (hw->mac.ops.get_link_capabilities)) { + hw->mac.ops.get_link_capabilities(hw, &speed, &autoneg); + + /* setup the highest link when no autoneg */ + if (!autoneg) { + if (speed & IXGBE_LINK_SPEED_10GB_FULL) + speed = IXGBE_LINK_SPEED_10GB_FULL; + } + } + if (hw->mac.ops.setup_link) - hw->mac.ops.setup_link(hw, autoneg, negotiation, true); + hw->mac.ops.setup_link(hw, speed, true); adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE; adapter->link_check_timeout = jiffies; @@ -5857,8 +6602,9 @@ static void ixgbe_reset_subtask(struct ixgbe_adapter *adapter) adapter->flags2 &= ~IXGBE_FLAG2_RESET_REQUESTED; - /* If we're already down or resetting, just bail */ + /* If we're already down, removing or resetting, just bail */ if (test_bit(__IXGBE_DOWN, &adapter->state) || + test_bit(__IXGBE_REMOVING, &adapter->state) || test_bit(__IXGBE_RESETTING, &adapter->state)) return; @@ -5866,7 +6612,9 @@ static void ixgbe_reset_subtask(struct ixgbe_adapter *adapter) netdev_err(adapter->netdev, "Reset adapter\n"); adapter->tx_timeout_count++; + rtnl_lock(); ixgbe_reinit_locked(adapter); + rtnl_unlock(); } /** @@ -5878,7 +6626,15 @@ static void ixgbe_service_task(struct work_struct *work) struct ixgbe_adapter *adapter = container_of(work, struct ixgbe_adapter, service_task); - + if (ixgbe_removed(adapter->hw.hw_addr)) { + if (!test_bit(__IXGBE_DOWN, &adapter->state)) { + rtnl_lock(); + ixgbe_down(adapter); + rtnl_unlock(); + } + ixgbe_service_event_complete(adapter); + return; + } ixgbe_reset_subtask(adapter); ixgbe_sfp_detection_subtask(adapter); ixgbe_sfp_link_config_subtask(adapter); @@ -5886,7 +6642,11 @@ static void ixgbe_service_task(struct work_struct *work) ixgbe_watchdog_subtask(adapter); ixgbe_fdir_reinit_subtask(adapter); ixgbe_check_hang_subtask(adapter); - ixgbe_ptp_overflow_check(adapter); + + if (test_bit(__IXGBE_PTP_RUNNING, &adapter->state)) { + ixgbe_ptp_overflow_check(adapter); + ixgbe_ptp_rx_hang(adapter); + } ixgbe_service_event_complete(adapter); } @@ -5898,20 +6658,22 @@ static int ixgbe_tso(struct ixgbe_ring *tx_ring, struct sk_buff *skb = first->skb; u32 vlan_macip_lens, type_tucmd; u32 mss_l4len_idx, l4len; + int err; + + if (skb->ip_summed != CHECKSUM_PARTIAL) + return 0; if (!skb_is_gso(skb)) return 0; - if (skb_header_cloned(skb)) { - int err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC); - if (err) - return err; - } + err = skb_cow_head(skb, 0); + if (err < 0) + return err; /* ADV DTYP TUCMD MKRLOC/ISCSIHEDLEN */ type_tucmd = IXGBE_ADVTXD_TUCMD_L4T_TCP; - if (first->protocol == __constant_htons(ETH_P_IP)) { + if (first->protocol == htons(ETH_P_IP)) { struct iphdr *iph = ip_hdr(skb); iph->tot_len = 0; iph->check = 0; @@ -5941,10 +6703,9 @@ static int ixgbe_tso(struct ixgbe_ring *tx_ring, first->gso_segs = skb_shinfo(skb)->gso_segs; first->bytecount += (first->gso_segs - 1) * *hdr_len; - /* mss_l4len_id: use 1 as index for TSO */ + /* mss_l4len_id: use 0 as index for TSO */ mss_l4len_idx = l4len << IXGBE_ADVTXD_L4LEN_SHIFT; mss_l4len_idx |= skb_shinfo(skb)->gso_size << IXGBE_ADVTXD_MSS_SHIFT; - mss_l4len_idx |= 1 << IXGBE_ADVTXD_IDX_SHIFT; /* vlan_macip_lens: HEADLEN, MACLEN, VLAN tag */ vlan_macip_lens = skb_network_header_len(skb); @@ -5966,21 +6727,18 @@ static void ixgbe_tx_csum(struct ixgbe_ring *tx_ring, u32 type_tucmd = 0; if (skb->ip_summed != CHECKSUM_PARTIAL) { - if (!(first->tx_flags & IXGBE_TX_FLAGS_HW_VLAN)) { - if (unlikely(skb->no_fcs)) - first->tx_flags |= IXGBE_TX_FLAGS_NO_IFCS; - if (!(first->tx_flags & IXGBE_TX_FLAGS_TXSW)) - return; - } + if (!(first->tx_flags & IXGBE_TX_FLAGS_HW_VLAN) && + !(first->tx_flags & IXGBE_TX_FLAGS_CC)) + return; } else { u8 l4_hdr = 0; switch (first->protocol) { - case __constant_htons(ETH_P_IP): + case htons(ETH_P_IP): vlan_macip_lens |= skb_network_header_len(skb); type_tucmd |= IXGBE_ADVTXD_TUCMD_IPV4; l4_hdr = ip_hdr(skb)->protocol; break; - case __constant_htons(ETH_P_IPV6): + case htons(ETH_P_IPV6): vlan_macip_lens |= skb_network_header_len(skb); l4_hdr = ipv6_hdr(skb)->nexthdr; break; @@ -6029,30 +6787,32 @@ static void ixgbe_tx_csum(struct ixgbe_ring *tx_ring, type_tucmd, mss_l4len_idx); } -static __le32 ixgbe_tx_cmd_type(u32 tx_flags) +#define IXGBE_SET_FLAG(_input, _flag, _result) \ + ((_flag <= _result) ? \ + ((u32)(_input & _flag) * (_result / _flag)) : \ + ((u32)(_input & _flag) / (_flag / _result))) + +static u32 ixgbe_tx_cmd_type(struct sk_buff *skb, u32 tx_flags) { /* set type for advanced descriptor with frame checksum insertion */ - __le32 cmd_type = cpu_to_le32(IXGBE_ADVTXD_DTYP_DATA | - IXGBE_ADVTXD_DCMD_DEXT); + u32 cmd_type = IXGBE_ADVTXD_DTYP_DATA | + IXGBE_ADVTXD_DCMD_DEXT | + IXGBE_ADVTXD_DCMD_IFCS; /* set HW vlan bit if vlan is present */ - if (tx_flags & IXGBE_TX_FLAGS_HW_VLAN) - cmd_type |= cpu_to_le32(IXGBE_ADVTXD_DCMD_VLE); - - if (tx_flags & IXGBE_TX_FLAGS_TSTAMP) - cmd_type |= cpu_to_le32(IXGBE_ADVTXD_MAC_TSTAMP); + cmd_type |= IXGBE_SET_FLAG(tx_flags, IXGBE_TX_FLAGS_HW_VLAN, + IXGBE_ADVTXD_DCMD_VLE); /* set segmentation enable bits for TSO/FSO */ -#ifdef IXGBE_FCOE - if (tx_flags & (IXGBE_TX_FLAGS_TSO | IXGBE_TX_FLAGS_FSO)) -#else - if (tx_flags & IXGBE_TX_FLAGS_TSO) -#endif - cmd_type |= cpu_to_le32(IXGBE_ADVTXD_DCMD_TSE); + cmd_type |= IXGBE_SET_FLAG(tx_flags, IXGBE_TX_FLAGS_TSO, + IXGBE_ADVTXD_DCMD_TSE); + + /* set timestamp bit if present */ + cmd_type |= IXGBE_SET_FLAG(tx_flags, IXGBE_TX_FLAGS_TSTAMP, + IXGBE_ADVTXD_MAC_TSTAMP); /* insert frame checksum */ - if (!(tx_flags & IXGBE_TX_FLAGS_NO_IFCS)) - cmd_type |= cpu_to_le32(IXGBE_ADVTXD_DCMD_IFCS); + cmd_type ^= IXGBE_SET_FLAG(skb->no_fcs, 1, IXGBE_ADVTXD_DCMD_IFCS); return cmd_type; } @@ -6060,36 +6820,27 @@ static __le32 ixgbe_tx_cmd_type(u32 tx_flags) static void ixgbe_tx_olinfo_status(union ixgbe_adv_tx_desc *tx_desc, u32 tx_flags, unsigned int paylen) { - __le32 olinfo_status = cpu_to_le32(paylen << IXGBE_ADVTXD_PAYLEN_SHIFT); + u32 olinfo_status = paylen << IXGBE_ADVTXD_PAYLEN_SHIFT; /* enable L4 checksum for TSO and TX checksum offload */ - if (tx_flags & IXGBE_TX_FLAGS_CSUM) - olinfo_status |= cpu_to_le32(IXGBE_ADVTXD_POPTS_TXSM); + olinfo_status |= IXGBE_SET_FLAG(tx_flags, + IXGBE_TX_FLAGS_CSUM, + IXGBE_ADVTXD_POPTS_TXSM); /* enble IPv4 checksum for TSO */ - if (tx_flags & IXGBE_TX_FLAGS_IPV4) - olinfo_status |= cpu_to_le32(IXGBE_ADVTXD_POPTS_IXSM); - - /* use index 1 context for TSO/FSO/FCOE */ -#ifdef IXGBE_FCOE - if (tx_flags & (IXGBE_TX_FLAGS_TSO | IXGBE_TX_FLAGS_FCOE)) -#else - if (tx_flags & IXGBE_TX_FLAGS_TSO) -#endif - olinfo_status |= cpu_to_le32(1 << IXGBE_ADVTXD_IDX_SHIFT); + olinfo_status |= IXGBE_SET_FLAG(tx_flags, + IXGBE_TX_FLAGS_IPV4, + IXGBE_ADVTXD_POPTS_IXSM); /* * Check Context must be set if Tx switch is enabled, which it * always is for case where virtual functions are running */ -#ifdef IXGBE_FCOE - if (tx_flags & (IXGBE_TX_FLAGS_TXSW | IXGBE_TX_FLAGS_FCOE)) -#else - if (tx_flags & IXGBE_TX_FLAGS_TXSW) -#endif - olinfo_status |= cpu_to_le32(IXGBE_ADVTXD_CC); + olinfo_status |= IXGBE_SET_FLAG(tx_flags, + IXGBE_TX_FLAGS_CC, + IXGBE_ADVTXD_CC); - tx_desc->read.olinfo_status = olinfo_status; + tx_desc->read.olinfo_status = cpu_to_le32(olinfo_status); } #define IXGBE_TXD_CMD (IXGBE_TXD_CMD_EOP | \ @@ -6099,22 +6850,22 @@ static void ixgbe_tx_map(struct ixgbe_ring *tx_ring, struct ixgbe_tx_buffer *first, const u8 hdr_len) { - dma_addr_t dma; struct sk_buff *skb = first->skb; struct ixgbe_tx_buffer *tx_buffer; union ixgbe_adv_tx_desc *tx_desc; - struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[0]; - unsigned int data_len = skb->data_len; - unsigned int size = skb_headlen(skb); - unsigned int paylen = skb->len - hdr_len; + struct skb_frag_struct *frag; + dma_addr_t dma; + unsigned int data_len, size; u32 tx_flags = first->tx_flags; - __le32 cmd_type; + u32 cmd_type = ixgbe_tx_cmd_type(skb, tx_flags); u16 i = tx_ring->next_to_use; tx_desc = IXGBE_TX_DESC(tx_ring, i); - ixgbe_tx_olinfo_status(tx_desc, tx_flags, paylen); - cmd_type = ixgbe_tx_cmd_type(tx_flags); + ixgbe_tx_olinfo_status(tx_desc, tx_flags, skb->len - hdr_len); + + size = skb_headlen(skb); + data_len = skb->data_len; #ifdef IXGBE_FCOE if (tx_flags & IXGBE_TX_FLAGS_FCOE) { @@ -6128,19 +6879,22 @@ static void ixgbe_tx_map(struct ixgbe_ring *tx_ring, #endif dma = dma_map_single(tx_ring->dev, skb->data, size, DMA_TO_DEVICE); - if (dma_mapping_error(tx_ring->dev, dma)) - goto dma_error; - /* record length, and DMA address */ - dma_unmap_len_set(first, len, size); - dma_unmap_addr_set(first, dma, dma); + tx_buffer = first; + + for (frag = &skb_shinfo(skb)->frags[0];; frag++) { + if (dma_mapping_error(tx_ring->dev, dma)) + goto dma_error; + + /* record length, and DMA address */ + dma_unmap_len_set(tx_buffer, len, size); + dma_unmap_addr_set(tx_buffer, dma, dma); - tx_desc->read.buffer_addr = cpu_to_le64(dma); + tx_desc->read.buffer_addr = cpu_to_le64(dma); - for (;;) { while (unlikely(size > IXGBE_MAX_DATA_PER_TXD)) { tx_desc->read.cmd_type_len = - cmd_type | cpu_to_le32(IXGBE_MAX_DATA_PER_TXD); + cpu_to_le32(cmd_type ^ IXGBE_MAX_DATA_PER_TXD); i++; tx_desc++; @@ -6148,18 +6902,18 @@ static void ixgbe_tx_map(struct ixgbe_ring *tx_ring, tx_desc = IXGBE_TX_DESC(tx_ring, 0); i = 0; } + tx_desc->read.olinfo_status = 0; dma += IXGBE_MAX_DATA_PER_TXD; size -= IXGBE_MAX_DATA_PER_TXD; tx_desc->read.buffer_addr = cpu_to_le64(dma); - tx_desc->read.olinfo_status = 0; } if (likely(!data_len)) break; - tx_desc->read.cmd_type_len = cmd_type | cpu_to_le32(size); + tx_desc->read.cmd_type_len = cpu_to_le32(cmd_type ^ size); i++; tx_desc++; @@ -6167,6 +6921,7 @@ static void ixgbe_tx_map(struct ixgbe_ring *tx_ring, tx_desc = IXGBE_TX_DESC(tx_ring, 0); i = 0; } + tx_desc->read.olinfo_status = 0; #ifdef IXGBE_FCOE size = min_t(unsigned int, data_len, skb_frag_size(frag)); @@ -6177,22 +6932,13 @@ static void ixgbe_tx_map(struct ixgbe_ring *tx_ring, dma = skb_frag_dma_map(tx_ring->dev, frag, 0, size, DMA_TO_DEVICE); - if (dma_mapping_error(tx_ring->dev, dma)) - goto dma_error; tx_buffer = &tx_ring->tx_buffer_info[i]; - dma_unmap_len_set(tx_buffer, len, size); - dma_unmap_addr_set(tx_buffer, dma, dma); - - tx_desc->read.buffer_addr = cpu_to_le64(dma); - tx_desc->read.olinfo_status = 0; - - frag++; } /* write last descriptor with RS and EOP bits */ - cmd_type |= cpu_to_le32(size) | cpu_to_le32(IXGBE_TXD_CMD); - tx_desc->read.cmd_type_len = cmd_type; + cmd_type |= size | IXGBE_TXD_CMD; + tx_desc->read.cmd_type_len = cpu_to_le32(cmd_type); netdev_tx_sent_queue(txring_txq(tx_ring), first->bytecount); @@ -6219,7 +6965,7 @@ static void ixgbe_tx_map(struct ixgbe_ring *tx_ring, tx_ring->next_to_use = i; /* notify HW of packet */ - writel(i, tx_ring->tail); + ixgbe_write_tail(tx_ring, i); return; dma_error: @@ -6267,9 +7013,9 @@ static void ixgbe_atr(struct ixgbe_ring *ring, hdr.network = skb_network_header(first->skb); /* Currently only IPv4/IPv6 with TCP is supported */ - if ((first->protocol != __constant_htons(ETH_P_IPV6) || + if ((first->protocol != htons(ETH_P_IPV6) || hdr.ipv6->nexthdr != IPPROTO_TCP) && - (first->protocol != __constant_htons(ETH_P_IP) || + (first->protocol != htons(ETH_P_IP) || hdr.ipv4->protocol != IPPROTO_TCP)) return; @@ -6302,12 +7048,12 @@ static void ixgbe_atr(struct ixgbe_ring *ring, * and write the value to source port portion of compressed dword */ if (first->tx_flags & (IXGBE_TX_FLAGS_SW_VLAN | IXGBE_TX_FLAGS_HW_VLAN)) - common.port.src ^= th->dest ^ __constant_htons(ETH_P_8021Q); + common.port.src ^= th->dest ^ htons(ETH_P_8021Q); else common.port.src ^= th->dest ^ first->protocol; common.port.dst ^= th->source; - if (first->protocol == __constant_htons(ETH_P_IP)) { + if (first->protocol == htons(ETH_P_IP)) { input.formatted.flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4; common.ip ^= hdr.ipv4->saddr ^ hdr.ipv4->daddr; } else { @@ -6353,36 +7099,48 @@ static inline int ixgbe_maybe_stop_tx(struct ixgbe_ring *tx_ring, u16 size) return __ixgbe_maybe_stop_tx(tx_ring, size); } -static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb) +static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb, + void *accel_priv, select_queue_fallback_t fallback) { - struct ixgbe_adapter *adapter = netdev_priv(dev); - int txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : - smp_processor_id(); + struct ixgbe_fwd_adapter *fwd_adapter = accel_priv; #ifdef IXGBE_FCOE - __be16 protocol = vlan_get_protocol(skb); + struct ixgbe_adapter *adapter; + struct ixgbe_ring_feature *f; + int txq; +#endif - if (((protocol == htons(ETH_P_FCOE)) || - (protocol == htons(ETH_P_FIP))) && - (adapter->flags & IXGBE_FLAG_FCOE_ENABLED)) { - struct ixgbe_ring_feature *f; + if (fwd_adapter) + return skb->queue_mapping + fwd_adapter->tx_base_queue; - f = &adapter->ring_feature[RING_F_FCOE]; +#ifdef IXGBE_FCOE - while (txq >= f->indices) - txq -= f->indices; - txq += adapter->ring_feature[RING_F_FCOE].offset; + /* + * only execute the code below if protocol is FCoE + * or FIP and we have FCoE enabled on the adapter + */ + switch (vlan_get_protocol(skb)) { + case htons(ETH_P_FCOE): + case htons(ETH_P_FIP): + adapter = netdev_priv(dev); - return txq; + if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) + break; + default: + return fallback(dev, skb); } -#endif - if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) { - while (unlikely(txq >= dev->real_num_tx_queues)) - txq -= dev->real_num_tx_queues; - return txq; - } + f = &adapter->ring_feature[RING_F_FCOE]; - return skb_tx_hash(dev, skb); + txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : + smp_processor_id(); + + while (txq >= f->indices) + txq -= f->indices; + + return txq + f->offset; +#else + return fallback(dev, skb); +#endif } netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, @@ -6392,9 +7150,7 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, struct ixgbe_tx_buffer *first; int tso; u32 tx_flags = 0; -#if PAGE_SIZE > IXGBE_MAX_DATA_PER_TXD unsigned short f; -#endif u16 count = TXD_USE_COUNT(skb_headlen(skb)); __be16 protocol = skb->protocol; u8 hdr_len = 0; @@ -6406,12 +7162,9 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, * + 1 desc for context descriptor, * otherwise try next time */ -#if PAGE_SIZE > IXGBE_MAX_DATA_PER_TXD for (f = 0; f < skb_shinfo(skb)->nr_frags; f++) count += TXD_USE_COUNT(skb_shinfo(skb)->frags[f].size); -#else - count += skb_shinfo(skb)->nr_frags; -#endif + if (ixgbe_maybe_stop_tx(tx_ring, count + 3)) { tx_ring->tx_stats.tx_busy++; return NETDEV_TX_BUSY; @@ -6428,7 +7181,7 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, tx_flags |= vlan_tx_tag_get(skb) << IXGBE_TX_FLAGS_VLAN_SHIFT; tx_flags |= IXGBE_TX_FLAGS_HW_VLAN; /* else if it is a SW VLAN check the next protocol and store the tag */ - } else if (protocol == __constant_htons(ETH_P_8021Q)) { + } else if (protocol == htons(ETH_P_8021Q)) { struct vlan_hdr *vhdr, _vhdr; vhdr = skb_header_pointer(skb, ETH_HLEN, sizeof(_vhdr), &_vhdr); if (!vhdr) @@ -6440,20 +7193,27 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, tx_flags |= IXGBE_TX_FLAGS_SW_VLAN; } - skb_tx_timestamp(skb); - - if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) { + if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP && + !test_and_set_bit_lock(__IXGBE_PTP_TX_IN_PROGRESS, + &adapter->state))) { skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; tx_flags |= IXGBE_TX_FLAGS_TSTAMP; + + /* schedule check for Tx timestamp */ + adapter->ptp_tx_skb = skb_get(skb); + adapter->ptp_tx_start = jiffies; + schedule_work(&adapter->ptp_tx_work); } + skb_tx_timestamp(skb); + #ifdef CONFIG_PCI_IOV /* * Use the l2switch_enable flag - would be false if the DMA * Tx switch had been disabled. */ if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) - tx_flags |= IXGBE_TX_FLAGS_TXSW; + tx_flags |= IXGBE_TX_FLAGS_CC; #endif /* DCB maps skb priorities 0-7 onto 3 bit PCP of VLAN tag. */ @@ -6465,8 +7225,8 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, IXGBE_TX_FLAGS_VLAN_PRIO_SHIFT; if (tx_flags & IXGBE_TX_FLAGS_SW_VLAN) { struct vlan_ethhdr *vhdr; - if (skb_header_cloned(skb) && - pskb_expand_head(skb, 0, 0, GFP_ATOMIC)) + + if (skb_cow_head(skb, 0)) goto out_drop; vhdr = (struct vlan_ethhdr *)skb->data; vhdr->h_vlan_TCI = htons(tx_flags >> @@ -6482,7 +7242,7 @@ netdev_tx_t ixgbe_xmit_frame_ring(struct sk_buff *skb, #ifdef IXGBE_FCOE /* setup tx offload for FCoE */ - if ((protocol == __constant_htons(ETH_P_FCOE)) && + if ((protocol == htons(ETH_P_FCOE)) && (tx_ring->netdev->features & (NETIF_F_FSO | NETIF_F_FCOE_CRC))) { tso = ixgbe_fso(tx_ring, first, &hdr_len); if (tso < 0) @@ -6518,8 +7278,9 @@ out_drop: return NETDEV_TX_OK; } -static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb, - struct net_device *netdev) +static netdev_tx_t __ixgbe_xmit_frame(struct sk_buff *skb, + struct net_device *netdev, + struct ixgbe_ring *ring) { struct ixgbe_adapter *adapter = netdev_priv(netdev); struct ixgbe_ring *tx_ring; @@ -6535,10 +7296,17 @@ static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb, skb_set_tail_pointer(skb, 17); } - tx_ring = adapter->tx_ring[skb->queue_mapping]; + tx_ring = ring ? ring : adapter->tx_ring[skb->queue_mapping]; + return ixgbe_xmit_frame_ring(skb, adapter, tx_ring); } +static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb, + struct net_device *netdev) +{ + return __ixgbe_xmit_frame(skb, netdev, NULL); +} + /** * ixgbe_set_mac - Change the Ethernet Address of the NIC * @netdev: network interface device structure @@ -6551,16 +7319,17 @@ static int ixgbe_set_mac(struct net_device *netdev, void *p) struct ixgbe_adapter *adapter = netdev_priv(netdev); struct ixgbe_hw *hw = &adapter->hw; struct sockaddr *addr = p; + int ret; if (!is_valid_ether_addr(addr->sa_data)) return -EADDRNOTAVAIL; + ixgbe_del_mac_filter(adapter, hw->mac.addr, VMDQ_P(0)); memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); memcpy(hw->mac.addr, addr->sa_data, netdev->addr_len); - hw->mac.ops.set_rar(hw, 0, hw->mac.addr, VMDQ_P(0), IXGBE_RAH_AV); - - return 0; + ret = ixgbe_add_mac_filter(adapter, hw->mac.addr, VMDQ_P(0)); + return ret > 0 ? 0 : ret; } static int @@ -6596,7 +7365,9 @@ static int ixgbe_ioctl(struct net_device *netdev, struct ifreq *req, int cmd) switch (cmd) { case SIOCSHWTSTAMP: - return ixgbe_ptp_hwtstamp_ioctl(adapter, req, cmd); + return ixgbe_ptp_set_ts_config(adapter, req); + case SIOCGHWTSTAMP: + return ixgbe_ptp_get_ts_config(adapter, req); default: return mdio_mii_ioctl(&adapter->hw.phy.mdio, if_mii(req), cmd); } @@ -6687,10 +7458,10 @@ static struct rtnl_link_stats64 *ixgbe_get_stats64(struct net_device *netdev, if (ring) { do { - start = u64_stats_fetch_begin_bh(&ring->syncp); + start = u64_stats_fetch_begin_irq(&ring->syncp); packets = ring->stats.packets; bytes = ring->stats.bytes; - } while (u64_stats_fetch_retry_bh(&ring->syncp, start)); + } while (u64_stats_fetch_retry_irq(&ring->syncp, start)); stats->rx_packets += packets; stats->rx_bytes += bytes; } @@ -6703,10 +7474,10 @@ static struct rtnl_link_stats64 *ixgbe_get_stats64(struct net_device *netdev, if (ring) { do { - start = u64_stats_fetch_begin_bh(&ring->syncp); + start = u64_stats_fetch_begin_irq(&ring->syncp); packets = ring->stats.packets; bytes = ring->stats.bytes; - } while (u64_stats_fetch_retry_bh(&ring->syncp, start)); + } while (u64_stats_fetch_retry_irq(&ring->syncp, start)); stats->tx_packets += packets; stats->tx_bytes += bytes; } @@ -6784,6 +7555,7 @@ static void ixgbe_set_prio_tc_map(struct ixgbe_adapter *adapter) } } +#endif /* CONFIG_IXGBE_DCB */ /** * ixgbe_setup_tc - configure net_device for multiple traffic classes * @@ -6794,6 +7566,7 @@ int ixgbe_setup_tc(struct net_device *dev, u8 tc) { struct ixgbe_adapter *adapter = netdev_priv(dev); struct ixgbe_hw *hw = &adapter->hw; + bool pools; /* Hardware supports up to 8 traffic classes */ if (tc > adapter->dcb_cfg.num_tcs.pg_tcs || @@ -6801,6 +7574,10 @@ int ixgbe_setup_tc(struct net_device *dev, u8 tc) tc < MAX_TRAFFIC_CLASS)) return -EINVAL; + pools = (find_first_zero_bit(&adapter->fwd_bitmask, 32) > 1); + if (tc && pools && adapter->num_rx_pools > IXGBE_MAX_DCBMACVLANS) + return -EBUSY; + /* Hardware has to reinitialize queues and interrupts to * match packet buffer alignment. Unfortunately, the * hardware is not flexible enough to do this dynamically. @@ -6809,6 +7586,7 @@ int ixgbe_setup_tc(struct net_device *dev, u8 tc) ixgbe_close(dev); ixgbe_clear_interrupt_scheme(adapter); +#ifdef CONFIG_IXGBE_DCB if (tc) { netdev_set_num_tc(dev, tc); ixgbe_set_prio_tc_map(adapter); @@ -6831,15 +7609,28 @@ int ixgbe_setup_tc(struct net_device *dev, u8 tc) adapter->dcb_cfg.pfc_mode_enable = false; } - ixgbe_init_interrupt_scheme(adapter); ixgbe_validate_rtr(adapter, tc); + +#endif /* CONFIG_IXGBE_DCB */ + ixgbe_init_interrupt_scheme(adapter); + if (netif_running(dev)) - ixgbe_open(dev); + return ixgbe_open(dev); return 0; } -#endif /* CONFIG_IXGBE_DCB */ +#ifdef CONFIG_PCI_IOV +void ixgbe_sriov_reinit(struct ixgbe_adapter *adapter) +{ + struct net_device *netdev = adapter->netdev; + + rtnl_lock(); + ixgbe_setup_tc(netdev, netdev_get_num_tc(netdev)); + rtnl_unlock(); +} + +#endif void ixgbe_do_reset(struct net_device *netdev) { struct ixgbe_adapter *adapter = netdev_priv(netdev); @@ -6930,7 +7721,7 @@ static int ixgbe_set_features(struct net_device *netdev, break; } - if (features & NETIF_F_HW_VLAN_RX) + if (features & NETIF_F_HW_VLAN_CTAG_RX) ixgbe_vlan_strip_enable(adapter); else ixgbe_vlan_strip_disable(adapter); @@ -6954,7 +7745,7 @@ static int ixgbe_ndo_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], int err; if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)) - return -EOPNOTSUPP; + return ndo_dflt_fdb_add(ndm, tb, dev, addr, flags); /* Hardware does not support aging addresses so if a * ndm_state is given only allow permanent addresses @@ -6985,44 +7776,6 @@ static int ixgbe_ndo_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], return err; } -static int ixgbe_ndo_fdb_del(struct ndmsg *ndm, - struct net_device *dev, - const unsigned char *addr) -{ - struct ixgbe_adapter *adapter = netdev_priv(dev); - int err = -EOPNOTSUPP; - - if (ndm->ndm_state & NUD_PERMANENT) { - pr_info("%s: FDB only supports static addresses\n", - ixgbe_driver_name); - return -EINVAL; - } - - if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) { - if (is_unicast_ether_addr(addr)) - err = dev_uc_del(dev, addr); - else if (is_multicast_ether_addr(addr)) - err = dev_mc_del(dev, addr); - else - err = -EINVAL; - } - - return err; -} - -static int ixgbe_ndo_fdb_dump(struct sk_buff *skb, - struct netlink_callback *cb, - struct net_device *dev, - int idx) -{ - struct ixgbe_adapter *adapter = netdev_priv(dev); - - if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) - idx = ndo_dflt_fdb_dump(skb, cb, dev, idx); - - return idx; -} - static int ixgbe_ndo_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh) { @@ -7062,7 +7815,8 @@ static int ixgbe_ndo_bridge_setlink(struct net_device *dev, } static int ixgbe_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, - struct net_device *dev) + struct net_device *dev, + u32 filter_mask) { struct ixgbe_adapter *adapter = netdev_priv(dev); u16 mode; @@ -7078,6 +7832,90 @@ static int ixgbe_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, return ndo_dflt_bridge_getlink(skb, pid, seq, dev, mode); } +static void *ixgbe_fwd_add(struct net_device *pdev, struct net_device *vdev) +{ + struct ixgbe_fwd_adapter *fwd_adapter = NULL; + struct ixgbe_adapter *adapter = netdev_priv(pdev); + unsigned int limit; + int pool, err; + +#ifdef CONFIG_RPS + if (vdev->num_rx_queues != vdev->num_tx_queues) { + netdev_info(pdev, "%s: Only supports a single queue count for TX and RX\n", + vdev->name); + return ERR_PTR(-EINVAL); + } +#endif + /* Check for hardware restriction on number of rx/tx queues */ + if (vdev->num_tx_queues > IXGBE_MAX_L2A_QUEUES || + vdev->num_tx_queues == IXGBE_BAD_L2A_QUEUE) { + netdev_info(pdev, + "%s: Supports RX/TX Queue counts 1,2, and 4\n", + pdev->name); + return ERR_PTR(-EINVAL); + } + + if (((adapter->flags & IXGBE_FLAG_DCB_ENABLED) && + adapter->num_rx_pools > IXGBE_MAX_DCBMACVLANS - 1) || + (adapter->num_rx_pools > IXGBE_MAX_MACVLANS)) + return ERR_PTR(-EBUSY); + + fwd_adapter = kcalloc(1, sizeof(struct ixgbe_fwd_adapter), GFP_KERNEL); + if (!fwd_adapter) + return ERR_PTR(-ENOMEM); + + pool = find_first_zero_bit(&adapter->fwd_bitmask, 32); + adapter->num_rx_pools++; + set_bit(pool, &adapter->fwd_bitmask); + limit = find_last_bit(&adapter->fwd_bitmask, 32); + + /* Enable VMDq flag so device will be set in VM mode */ + adapter->flags |= IXGBE_FLAG_VMDQ_ENABLED | IXGBE_FLAG_SRIOV_ENABLED; + adapter->ring_feature[RING_F_VMDQ].limit = limit + 1; + adapter->ring_feature[RING_F_RSS].limit = vdev->num_tx_queues; + + /* Force reinit of ring allocation with VMDQ enabled */ + err = ixgbe_setup_tc(pdev, netdev_get_num_tc(pdev)); + if (err) + goto fwd_add_err; + fwd_adapter->pool = pool; + fwd_adapter->real_adapter = adapter; + err = ixgbe_fwd_ring_up(vdev, fwd_adapter); + if (err) + goto fwd_add_err; + netif_tx_start_all_queues(vdev); + return fwd_adapter; +fwd_add_err: + /* unwind counter and free adapter struct */ + netdev_info(pdev, + "%s: dfwd hardware acceleration failed\n", vdev->name); + clear_bit(pool, &adapter->fwd_bitmask); + adapter->num_rx_pools--; + kfree(fwd_adapter); + return ERR_PTR(err); +} + +static void ixgbe_fwd_del(struct net_device *pdev, void *priv) +{ + struct ixgbe_fwd_adapter *fwd_adapter = priv; + struct ixgbe_adapter *adapter = fwd_adapter->real_adapter; + unsigned int limit; + + clear_bit(fwd_adapter->pool, &adapter->fwd_bitmask); + adapter->num_rx_pools--; + + limit = find_last_bit(&adapter->fwd_bitmask, 32); + adapter->ring_feature[RING_F_VMDQ].limit = limit + 1; + ixgbe_fwd_ring_down(fwd_adapter->netdev, fwd_adapter); + ixgbe_setup_tc(pdev, netdev_get_num_tc(pdev)); + netdev_dbg(pdev, "pool %i:%i queues %i:%i VSI bitmask %lx\n", + fwd_adapter->pool, adapter->num_rx_pools, + fwd_adapter->rx_base_queue, + fwd_adapter->rx_base_queue + adapter->num_rx_queues_per_pool, + adapter->fwd_bitmask); + kfree(fwd_adapter); +} + static const struct net_device_ops ixgbe_netdev_ops = { .ndo_open = ixgbe_open, .ndo_stop = ixgbe_close, @@ -7093,7 +7931,7 @@ static const struct net_device_ops ixgbe_netdev_ops = { .ndo_do_ioctl = ixgbe_ioctl, .ndo_set_vf_mac = ixgbe_ndo_set_vf_mac, .ndo_set_vf_vlan = ixgbe_ndo_set_vf_vlan, - .ndo_set_vf_tx_rate = ixgbe_ndo_set_vf_bw, + .ndo_set_vf_rate = ixgbe_ndo_set_vf_bw, .ndo_set_vf_spoofchk = ixgbe_ndo_set_vf_spoofchk, .ndo_get_vf_config = ixgbe_ndo_get_vf_config, .ndo_get_stats64 = ixgbe_get_stats64, @@ -7103,6 +7941,9 @@ static const struct net_device_ops ixgbe_netdev_ops = { #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = ixgbe_netpoll, #endif +#ifdef CONFIG_NET_RX_BUSY_POLL + .ndo_busy_poll = ixgbe_low_latency_recv, +#endif #ifdef IXGBE_FCOE .ndo_fcoe_ddp_setup = ixgbe_fcoe_ddp_get, .ndo_fcoe_ddp_target = ixgbe_fcoe_ddp_target, @@ -7115,13 +7956,46 @@ static const struct net_device_ops ixgbe_netdev_ops = { .ndo_set_features = ixgbe_set_features, .ndo_fix_features = ixgbe_fix_features, .ndo_fdb_add = ixgbe_ndo_fdb_add, - .ndo_fdb_del = ixgbe_ndo_fdb_del, - .ndo_fdb_dump = ixgbe_ndo_fdb_dump, .ndo_bridge_setlink = ixgbe_ndo_bridge_setlink, .ndo_bridge_getlink = ixgbe_ndo_bridge_getlink, + .ndo_dfwd_add_station = ixgbe_fwd_add, + .ndo_dfwd_del_station = ixgbe_fwd_del, }; /** + * ixgbe_enumerate_functions - Get the number of ports this device has + * @adapter: adapter structure + * + * This function enumerates the phsyical functions co-located on a single slot, + * in order to determine how many ports a device has. This is most useful in + * determining the required GT/s of PCIe bandwidth necessary for optimal + * performance. + **/ +static inline int ixgbe_enumerate_functions(struct ixgbe_adapter *adapter) +{ + struct list_head *entry; + int physfns = 0; + + /* Some cards can not use the generic count PCIe functions method, + * because they are behind a parent switch, so we hardcode these with + * the correct number of functions. + */ + if (ixgbe_pcie_from_parent(&adapter->hw)) { + physfns = 4; + } else { + list_for_each(entry, &adapter->pdev->bus_list) { + struct pci_dev *pdev = + list_entry(entry, struct pci_dev, bus_list); + /* don't count virtual functions */ + if (!pdev->is_virtfn) + physfns++; + } + } + + return physfns; +} + +/** * ixgbe_wol_supported - Check whether device supports WoL * @hw: hw specific details * @device_id: the device ID @@ -7142,13 +8016,24 @@ int ixgbe_wol_supported(struct ixgbe_adapter *adapter, u16 device_id, case IXGBE_DEV_ID_82599_SFP: /* Only these subdevices could supports WOL */ switch (subdevice_id) { + case IXGBE_SUBDEV_ID_82599_SFP_WOL0: case IXGBE_SUBDEV_ID_82599_560FLR: /* only support first port */ if (hw->bus.func != 0) break; + case IXGBE_SUBDEV_ID_82599_SP_560FLR: case IXGBE_SUBDEV_ID_82599_SFP: case IXGBE_SUBDEV_ID_82599_RNDC: case IXGBE_SUBDEV_ID_82599_ECNA_DP: + case IXGBE_SUBDEV_ID_82599_LOM_SFP: + is_wol_supported = 1; + break; + } + break; + case IXGBE_DEV_ID_82599EN_SFP: + /* Only this subdevice supports WOL */ + switch (subdevice_id) { + case IXGBE_SUBDEV_ID_82599EN_SFP_OCP1: is_wol_supported = 1; break; } @@ -7193,10 +8078,9 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct ixgbe_hw *hw; const struct ixgbe_info *ii = ixgbe_info_tbl[ent->driver_data]; static int cards_found; - int i, err, pci_using_dac; + int i, err, pci_using_dac, expected_gts; + unsigned int indices = MAX_TX_QUEUES; u8 part_str[IXGBE_PBANUM_LENGTH]; - unsigned int indices = num_possible_cpus(); - unsigned int dcb_max = 0; #ifdef IXGBE_FCOE u16 device_caps; #endif @@ -7215,19 +8099,14 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (err) return err; - if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) && - !dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64))) { + if (!dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64))) { pci_using_dac = 1; } else { - err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); + err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); if (err) { - err = dma_set_coherent_mask(&pdev->dev, - DMA_BIT_MASK(32)); - if (err) { - dev_err(&pdev->dev, - "No usable DMA configuration, aborting\n"); - goto err_dma; - } + dev_err(&pdev->dev, + "No usable DMA configuration, aborting\n"); + goto err_dma; } pci_using_dac = 0; } @@ -7245,25 +8124,15 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_master(pdev); pci_save_state(pdev); + if (ii->mac == ixgbe_mac_82598EB) { #ifdef CONFIG_IXGBE_DCB - if (ii->mac == ixgbe_mac_82598EB) - dcb_max = min_t(unsigned int, indices * MAX_TRAFFIC_CLASS, - IXGBE_MAX_RSS_INDICES); - else - dcb_max = min_t(unsigned int, indices * MAX_TRAFFIC_CLASS, - IXGBE_MAX_FDIR_INDICES); + /* 8 TC w/ 4 queues per TC */ + indices = 4 * MAX_TRAFFIC_CLASS; +#else + indices = IXGBE_MAX_RSS_INDICES; #endif + } - if (ii->mac == ixgbe_mac_82598EB) - indices = min_t(unsigned int, indices, IXGBE_MAX_RSS_INDICES); - else - indices = min_t(unsigned int, indices, IXGBE_MAX_FDIR_INDICES); - -#ifdef IXGBE_FCOE - indices += min_t(unsigned int, num_possible_cpus(), - IXGBE_MAX_FCOE_INDICES); -#endif - indices = max_t(unsigned int, dcb_max, indices); netdev = alloc_etherdev_mq(sizeof(struct ixgbe_adapter), indices); if (!netdev) { err = -ENOMEM; @@ -7283,6 +8152,7 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) hw->hw_addr = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); + adapter->io_addr = hw->hw_addr; if (!hw->hw_addr) { err = -EIO; goto err_ioremap; @@ -7302,6 +8172,10 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* EEPROM */ memcpy(&hw->eeprom.ops, ii->eeprom_ops, sizeof(hw->eeprom.ops)); eec = IXGBE_READ_REG(hw, IXGBE_EEC); + if (ixgbe_removed(hw->hw_addr)) { + err = -EIO; + goto err_ioremap; + } /* If EEPROM is valid (bit 8 = 1), use default otherwise use bit bang */ if (!(eec & (1 << 8))) hw->eeprom.ops.read = &ixgbe_read_eeprom_bit_bang_generic; @@ -7355,10 +8229,8 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) hw->mac.type == ixgbe_mac_82598EB) { err = 0; } else if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) { - e_dev_err("failed to load because an unsupported SFP+ " - "module type was detected.\n"); - e_dev_err("Reload the driver after installing a supported " - "module.\n"); + e_dev_err("failed to load because an unsupported SFP+ or QSFP module type was detected.\n"); + e_dev_err("Reload the driver after installing a supported module.\n"); goto err_sw_init; } else if (err) { e_dev_err("HW Init failed: %d\n", err); @@ -7366,21 +8238,29 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } #ifdef CONFIG_PCI_IOV - ixgbe_enable_sriov(adapter, ii); + /* SR-IOV not supported on the 82598 */ + if (adapter->hw.mac.type == ixgbe_mac_82598EB) + goto skip_sriov; + /* Mailbox */ + ixgbe_init_mbx_params_pf(hw); + memcpy(&hw->mbx.ops, ii->mbx_ops, sizeof(hw->mbx.ops)); + pci_sriov_set_totalvfs(pdev, IXGBE_MAX_VFS_DRV_LIMIT); + ixgbe_enable_sriov(adapter); +skip_sriov: #endif netdev->features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | - NETIF_F_HW_VLAN_TX | - NETIF_F_HW_VLAN_RX | - NETIF_F_HW_VLAN_FILTER | + NETIF_F_HW_VLAN_CTAG_TX | + NETIF_F_HW_VLAN_CTAG_RX | + NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_TSO | NETIF_F_TSO6 | NETIF_F_RXHASH | NETIF_F_RXCSUM; - netdev->hw_features = netdev->features; + netdev->hw_features = netdev->features | NETIF_F_HW_L2FW_DOFFLOAD; switch (adapter->hw.mac.type) { case ixgbe_mac_82599EB: @@ -7410,13 +8290,17 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) #ifdef IXGBE_FCOE if (adapter->flags & IXGBE_FLAG_FCOE_CAPABLE) { + unsigned int fcoe_l; + if (hw->mac.ops.get_device_caps) { hw->mac.ops.get_device_caps(hw, &device_caps); if (device_caps & IXGBE_DEVICE_CAPS_FCOE_OFFLOADS) adapter->flags &= ~IXGBE_FLAG_FCOE_CAPABLE; } - adapter->ring_feature[RING_F_FCOE].limit = IXGBE_FCRETA_SIZE; + + fcoe_l = min_t(int, IXGBE_FCRETA_SIZE, num_online_cpus()); + adapter->ring_feature[RING_F_FCOE].limit = fcoe_l; netdev->features |= NETIF_F_FSO | NETIF_F_FCOE_CRC; @@ -7444,18 +8328,24 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } memcpy(netdev->dev_addr, hw->mac.perm_addr, netdev->addr_len); - memcpy(netdev->perm_addr, hw->mac.perm_addr, netdev->addr_len); - if (!is_valid_ether_addr(netdev->perm_addr)) { + if (!is_valid_ether_addr(netdev->dev_addr)) { e_dev_err("invalid MAC address\n"); err = -EIO; goto err_sw_init; } + ixgbe_mac_set_default_filter(adapter, hw->mac.perm_addr); + setup_timer(&adapter->service_timer, &ixgbe_service_timer, (unsigned long) adapter); + if (ixgbe_removed(hw->hw_addr)) { + err = -EIO; + goto err_sw_init; + } INIT_WORK(&adapter->service_task, ixgbe_service_task); + set_bit(__IXGBE_SERVICE_INITED, &adapter->state); clear_bit(__IXGBE_SERVICE_SCHED, &adapter->state); err = ixgbe_init_interrupt_scheme(adapter); @@ -7465,7 +8355,9 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* WOL not supported for all devices */ adapter->wol = 0; hw->eeprom.ops.read(hw, 0x2c, &adapter->eeprom_cap); - if (ixgbe_wol_supported(adapter, pdev->device, pdev->subsystem_device)) + hw->wol_enabled = ixgbe_wol_supported(adapter, pdev->device, + pdev->subsystem_device); + if (hw->wol_enabled) adapter->wol = IXGBE_WUFC_MAG; device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol); @@ -7476,17 +8368,23 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* pick up the PCI bus settings for reporting later */ hw->mac.ops.get_bus_info(hw); + if (ixgbe_pcie_from_parent(hw)) + ixgbe_get_parent_bus_info(adapter); - /* print bus type/speed/width info */ - e_dev_info("(PCI Express:%s:%s) %pM\n", - (hw->bus.speed == ixgbe_bus_speed_5000 ? "5.0GT/s" : - hw->bus.speed == ixgbe_bus_speed_2500 ? "2.5GT/s" : - "Unknown"), - (hw->bus.width == ixgbe_bus_width_pcie_x8 ? "Width x8" : - hw->bus.width == ixgbe_bus_width_pcie_x4 ? "Width x4" : - hw->bus.width == ixgbe_bus_width_pcie_x1 ? "Width x1" : - "Unknown"), - netdev->dev_addr); + /* calculate the expected PCIe bandwidth required for optimal + * performance. Note that some older parts will never have enough + * bandwidth due to being older generation PCIe parts. We clamp these + * parts to ensure no warning is displayed if it can't be fixed. + */ + switch (hw->mac.type) { + case ixgbe_mac_82598EB: + expected_gts = min(ixgbe_enumerate_functions(adapter) * 10, 16); + break; + default: + expected_gts = ixgbe_enumerate_functions(adapter) * 10; + break; + } + ixgbe_check_minimum_link(adapter, expected_gts); err = ixgbe_read_pba_string_generic(hw, part_str, IXGBE_PBANUM_LENGTH); if (err) @@ -7494,17 +8392,12 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (ixgbe_is_sfp(hw) && hw->phy.sfp_type != ixgbe_sfp_type_not_present) e_dev_info("MAC: %d, PHY: %d, SFP+: %d, PBA No: %s\n", hw->mac.type, hw->phy.type, hw->phy.sfp_type, - part_str); + part_str); else e_dev_info("MAC: %d, PHY: %d, PBA No: %s\n", hw->mac.type, hw->phy.type, part_str); - if (hw->bus.width <= ixgbe_bus_width_pcie_x4) { - e_dev_warn("PCI-Express bandwidth available for this card is " - "not sufficient for optimal performance.\n"); - e_dev_warn("For optimal performance a x8 PCI-Express slot " - "is required.\n"); - } + e_dev_info("%pM\n", netdev->dev_addr); /* reset the hardware with the new settings */ err = hw->mac.ops.start_hw(hw); @@ -7559,9 +8452,13 @@ static int ixgbe_probe(struct pci_dev *pdev, const struct pci_device_id *ent) e_err(probe, "failed to allocate sysfs resources\n"); #endif /* CONFIG_IXGBE_HWMON */ -#ifdef CONFIG_DEBUG_FS ixgbe_dbg_adapter_init(adapter); -#endif /* CONFIG_DEBUG_FS */ + + /* setup link for SFP devices with MNG FW, else wait for IXGBE_UP */ + if (ixgbe_mng_enabled(hw) && ixgbe_is_sfp(hw) && hw->mac.ops.setup_link) + hw->mac.ops.setup_link(hw, + IXGBE_LINK_SPEED_10GB_FULL | IXGBE_LINK_SPEED_1GB_FULL, + true); return 0; @@ -7571,7 +8468,8 @@ err_register: err_sw_init: ixgbe_disable_sriov(adapter); adapter->flags2 &= ~IXGBE_FLAG2_SEARCH_FOR_SFP; - iounmap(hw->hw_addr); + iounmap(adapter->io_addr); + kfree(adapter->mac_table); err_ioremap: free_netdev(netdev); err_alloc_etherdev: @@ -7579,7 +8477,8 @@ err_alloc_etherdev: pci_select_bars(pdev, IORESOURCE_MEM)); err_pci_reg: err_dma: - pci_disable_device(pdev); + if (!test_and_set_bit(__IXGBE_DISABLED, &adapter->state)) + pci_disable_device(pdev); return err; } @@ -7597,11 +8496,9 @@ static void ixgbe_remove(struct pci_dev *pdev) struct ixgbe_adapter *adapter = pci_get_drvdata(pdev); struct net_device *netdev = adapter->netdev; -#ifdef CONFIG_DEBUG_FS ixgbe_dbg_adapter_exit(adapter); -#endif /*CONFIG_DEBUG_FS */ - set_bit(__IXGBE_DOWN, &adapter->state); + set_bit(__IXGBE_REMOVING, &adapter->state); cancel_work_sync(&adapter->service_task); @@ -7623,8 +8520,14 @@ static void ixgbe_remove(struct pci_dev *pdev) if (netdev->reg_state == NETREG_REGISTERED) unregister_netdev(netdev); - ixgbe_disable_sriov(adapter); - +#ifdef CONFIG_PCI_IOV + /* + * Only disable SR-IOV on unload if the user specified the now + * deprecated max_vfs module parameter. + */ + if (max_vfs) + ixgbe_disable_sriov(adapter); +#endif ixgbe_clear_interrupt_scheme(adapter); ixgbe_release_hw_control(adapter); @@ -7634,17 +8537,19 @@ static void ixgbe_remove(struct pci_dev *pdev) kfree(adapter->ixgbe_ieee_ets); #endif - iounmap(adapter->hw.hw_addr); + iounmap(adapter->io_addr); pci_release_selected_regions(pdev, pci_select_bars(pdev, IORESOURCE_MEM)); e_dev_info("complete\n"); + kfree(adapter->mac_table); free_netdev(netdev); pci_disable_pcie_error_reporting(pdev); - pci_disable_device(pdev); + if (!test_and_set_bit(__IXGBE_DISABLED, &adapter->state)) + pci_disable_device(pdev); } /** @@ -7662,6 +8567,7 @@ static pci_ers_result_t ixgbe_io_error_detected(struct pci_dev *pdev, struct net_device *netdev = adapter->netdev; #ifdef CONFIG_PCI_IOV + struct ixgbe_hw *hw = &adapter->hw; struct pci_dev *bdev, *vfdev; u32 dw0, dw1, dw2, dw3; int vf, pos; @@ -7682,10 +8588,12 @@ static pci_ers_result_t ixgbe_io_error_detected(struct pci_dev *pdev, if (!pos) goto skip_bad_vf_detection; - pci_read_config_dword(bdev, pos + PCI_ERR_HEADER_LOG, &dw0); - pci_read_config_dword(bdev, pos + PCI_ERR_HEADER_LOG + 4, &dw1); - pci_read_config_dword(bdev, pos + PCI_ERR_HEADER_LOG + 8, &dw2); - pci_read_config_dword(bdev, pos + PCI_ERR_HEADER_LOG + 12, &dw3); + dw0 = ixgbe_read_pci_cfg_dword(hw, pos + PCI_ERR_HEADER_LOG); + dw1 = ixgbe_read_pci_cfg_dword(hw, pos + PCI_ERR_HEADER_LOG + 4); + dw2 = ixgbe_read_pci_cfg_dword(hw, pos + PCI_ERR_HEADER_LOG + 8); + dw3 = ixgbe_read_pci_cfg_dword(hw, pos + PCI_ERR_HEADER_LOG + 12); + if (ixgbe_removed(hw->hw_addr)) + goto skip_bad_vf_detection; req_id = dw1 >> 16; /* On the 82599 if bit 7 of the requestor ID is set then it's a VF */ @@ -7729,6 +8637,8 @@ static pci_ers_result_t ixgbe_io_error_detected(struct pci_dev *pdev, if (vfdev) { e_dev_err("Issuing VFLR to VF %d\n", vf); pci_write_config_dword(vfdev, 0xA8, 0x00008000); + /* Free device reference count */ + pci_dev_put(vfdev); } pci_cleanup_aer_uncorrect_error_status(pdev); @@ -7746,14 +8656,23 @@ static pci_ers_result_t ixgbe_io_error_detected(struct pci_dev *pdev, skip_bad_vf_detection: #endif /* CONFIG_PCI_IOV */ + if (!test_bit(__IXGBE_SERVICE_INITED, &adapter->state)) + return PCI_ERS_RESULT_DISCONNECT; + + rtnl_lock(); netif_device_detach(netdev); - if (state == pci_channel_io_perm_failure) + if (state == pci_channel_io_perm_failure) { + rtnl_unlock(); return PCI_ERS_RESULT_DISCONNECT; + } if (netif_running(netdev)) ixgbe_down(adapter); - pci_disable_device(pdev); + + if (!test_and_set_bit(__IXGBE_DISABLED, &adapter->state)) + pci_disable_device(pdev); + rtnl_unlock(); /* Request a slot reset. */ return PCI_ERS_RESULT_NEED_RESET; @@ -7775,6 +8694,9 @@ static pci_ers_result_t ixgbe_io_slot_reset(struct pci_dev *pdev) e_err(probe, "Cannot re-enable PCI device after reset.\n"); result = PCI_ERS_RESULT_DISCONNECT; } else { + smp_mb__before_atomic(); + clear_bit(__IXGBE_DISABLED, &adapter->state); + adapter->hw.hw_addr = adapter->io_addr; pci_set_master(pdev); pci_restore_state(pdev); pci_save_state(pdev); @@ -7838,6 +8760,7 @@ static struct pci_driver ixgbe_driver = { .resume = ixgbe_resume, #endif .shutdown = ixgbe_shutdown, + .sriov_configure = ixgbe_pci_sriov_configure, .err_handler = &ixgbe_err_handler }; @@ -7853,16 +8776,19 @@ static int __init ixgbe_init_module(void) pr_info("%s - version %s\n", ixgbe_driver_string, ixgbe_driver_version); pr_info("%s\n", ixgbe_copyright); -#ifdef CONFIG_DEBUG_FS ixgbe_dbg_init(); -#endif /* CONFIG_DEBUG_FS */ + + ret = pci_register_driver(&ixgbe_driver); + if (ret) { + ixgbe_dbg_exit(); + return ret; + } #ifdef CONFIG_IXGBE_DCA dca_register_notify(&dca_notifier); #endif - ret = pci_register_driver(&ixgbe_driver); - return ret; + return 0; } module_init(ixgbe_init_module); @@ -7880,9 +8806,7 @@ static void __exit ixgbe_exit_module(void) #endif pci_unregister_driver(&ixgbe_driver); -#ifdef CONFIG_DEBUG_FS ixgbe_dbg_exit(); -#endif /* CONFIG_DEBUG_FS */ rcu_barrier(); /* Wait for completion of call_rcu()'s */ } |