diff options
Diffstat (limited to 'drivers/net')
131 files changed, 1906 insertions, 1320 deletions
diff --git a/drivers/net/3c509.c b/drivers/net/3c509.c index 87d8795823d..b9d097c9f6b 100644 --- a/drivers/net/3c509.c +++ b/drivers/net/3c509.c @@ -1062,7 +1062,6 @@ el3_rx(struct net_device *dev) struct sk_buff *skb; skb = dev_alloc_skb(pkt_len+5); - dev->stats.rx_bytes += pkt_len; if (el3_debug > 4) printk("Receiving packet size %d status %4.4x.\n", pkt_len, rx_status); @@ -1077,6 +1076,7 @@ el3_rx(struct net_device *dev) skb->protocol = eth_type_trans(skb,dev); netif_rx(skb); dev->last_rx = jiffies; + dev->stats.rx_bytes += pkt_len; dev->stats.rx_packets++; continue; } diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c index 2edda8cc7f9..aabad8ce745 100644 --- a/drivers/net/3c59x.c +++ b/drivers/net/3c59x.c @@ -1768,9 +1768,10 @@ vortex_timer(unsigned long data) case XCVR_MII: case XCVR_NWAY: { ok = 1; - spin_lock_bh(&vp->lock); + /* Interrupts are already disabled */ + spin_lock(&vp->lock); vortex_check_media(dev, 0); - spin_unlock_bh(&vp->lock); + spin_unlock(&vp->lock); } break; default: /* Other media types handled by Tx timeouts. */ diff --git a/drivers/net/7990.c b/drivers/net/7990.c index 750a46f4bc5..ad6b8a5b657 100644 --- a/drivers/net/7990.c +++ b/drivers/net/7990.c @@ -506,6 +506,7 @@ int lance_open (struct net_device *dev) return res; } +EXPORT_SYMBOL_GPL(lance_open); int lance_close (struct net_device *dev) { @@ -521,6 +522,7 @@ int lance_close (struct net_device *dev) return 0; } +EXPORT_SYMBOL_GPL(lance_close); void lance_tx_timeout(struct net_device *dev) { @@ -529,7 +531,7 @@ void lance_tx_timeout(struct net_device *dev) dev->trans_start = jiffies; netif_wake_queue (dev); } - +EXPORT_SYMBOL_GPL(lance_tx_timeout); int lance_start_xmit (struct sk_buff *skb, struct net_device *dev) { @@ -586,6 +588,7 @@ int lance_start_xmit (struct sk_buff *skb, struct net_device *dev) return 0; } +EXPORT_SYMBOL_GPL(lance_start_xmit); /* taken from the depca driver via a2065.c */ static void lance_load_multicast (struct net_device *dev) @@ -654,6 +657,7 @@ void lance_set_multicast (struct net_device *dev) if (!stopped) netif_start_queue (dev); } +EXPORT_SYMBOL_GPL(lance_set_multicast); #ifdef CONFIG_NET_POLL_CONTROLLER void lance_poll(struct net_device *dev) diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index dd0ec9ebc93..f4182cfffe9 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2426,7 +2426,7 @@ config CHELSIO_T3 config EHEA tristate "eHEA Ethernet support" - depends on IBMEBUS && INET && SPARSEMEM && MEMORY_HOTPLUG + depends on IBMEBUS && INET && SPARSEMEM select INET_LRO ---help--- This driver supports the IBM pSeries eHEA ethernet adapter. diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c index 6e4c80d41b0..3c798ae5c34 100644 --- a/drivers/net/atlx/atl1.c +++ b/drivers/net/atlx/atl1.c @@ -471,7 +471,6 @@ static int atl1_get_permanent_address(struct atl1_hw *hw) memcpy(hw->perm_mac_addr, eth_addr, ETH_ALEN); return 0; } - return 1; } /* see if SPI FLAGS exist ? */ @@ -637,22 +636,6 @@ static s32 atl1_phy_leave_power_saving(struct atl1_hw *hw) } /* - * Force the PHY into power saving mode using vendor magic. - */ -#ifdef CONFIG_PM -static void atl1_phy_enter_power_saving(struct atl1_hw *hw) -{ - atl1_write_phy_reg(hw, MII_DBG_ADDR, 0); - atl1_write_phy_reg(hw, MII_DBG_DATA, 0x124E); - atl1_write_phy_reg(hw, MII_DBG_ADDR, 2); - atl1_write_phy_reg(hw, MII_DBG_DATA, 0x3000); - atl1_write_phy_reg(hw, MII_DBG_ADDR, 3); - atl1_write_phy_reg(hw, MII_DBG_DATA, 0); - -} -#endif - -/* * Resets the PHY and make all config validate * hw - Struct containing variables accessed by shared code * @@ -2023,6 +2006,7 @@ rrd_ok: /* Good Receive */ pci_unmap_page(adapter->pdev, buffer_info->dma, buffer_info->length, PCI_DMA_FROMDEVICE); + buffer_info->dma = 0; skb = buffer_info->skb; length = le16_to_cpu(rrd->xsz.xsum_sz.pkt_size); @@ -2859,7 +2843,6 @@ disable_wol: ctrl |= PCIE_PHYMISC_FORCE_RCV_DET; iowrite32(ctrl, hw->hw_addr + REG_PCIE_PHYMISC); ioread32(hw->hw_addr + REG_PCIE_PHYMISC); - atl1_phy_enter_power_saving(hw); hw->phy_configured = false; pci_enable_wake(pdev, pci_choose_state(pdev, state), 0); exit: diff --git a/drivers/net/au1000_eth.c b/drivers/net/au1000_eth.c index 3634b5fd791..7023d77bf38 100644 --- a/drivers/net/au1000_eth.c +++ b/drivers/net/au1000_eth.c @@ -1239,12 +1239,7 @@ static int au1000_rx(struct net_device *dev) */ static irqreturn_t au1000_interrupt(int irq, void *dev_id) { - struct net_device *dev = (struct net_device *) dev_id; - - if (dev == NULL) { - printk(KERN_ERR "%s: isr: null dev ptr\n", dev->name); - return IRQ_RETVAL(1); - } + struct net_device *dev = dev_id; /* Handle RX interrupts first to minimize chance of overrun */ diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c index 89c0018132e..41443435ab1 100644 --- a/drivers/net/bfin_mac.c +++ b/drivers/net/bfin_mac.c @@ -22,7 +22,6 @@ #include <linux/crc32.h> #include <linux/device.h> #include <linux/spinlock.h> -#include <linux/ethtool.h> #include <linux/mii.h> #include <linux/phy.h> #include <linux/netdevice.h> diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c index 4b46e68183e..367b6d46270 100644 --- a/drivers/net/bnx2.c +++ b/drivers/net/bnx2.c @@ -5724,14 +5724,12 @@ bnx2_reset_task(struct work_struct *work) if (!netif_running(bp->dev)) return; - bp->in_reset_task = 1; bnx2_netif_stop(bp); bnx2_init_nic(bp); atomic_set(&bp->intr_sem, 1); bnx2_netif_start(bp); - bp->in_reset_task = 0; } static void @@ -5907,12 +5905,7 @@ bnx2_close(struct net_device *dev) struct bnx2 *bp = netdev_priv(dev); u32 reset_code; - /* Calling flush_scheduled_work() may deadlock because - * linkwatch_event() may be on the workqueue and it will try to get - * the rtnl_lock which we are holding. - */ - while (bp->in_reset_task) - msleep(1); + cancel_work_sync(&bp->reset_task); bnx2_disable_int_sync(bp); bnx2_napi_disable(bp); diff --git a/drivers/net/bnx2.h b/drivers/net/bnx2.h index 1eaf5bb3d9c..2377cc13bf6 100644 --- a/drivers/net/bnx2.h +++ b/drivers/net/bnx2.h @@ -6656,7 +6656,6 @@ struct bnx2 { int current_interval; struct timer_list timer; struct work_struct reset_task; - int in_reset_task; /* Used to synchronize phy accesses. */ spinlock_t phy_lock; diff --git a/drivers/net/bnx2x.c b/drivers/net/bnx2x.c index 7bdb5af3595..70cba64732c 100644 --- a/drivers/net/bnx2x.c +++ b/drivers/net/bnx2x.c @@ -6,7 +6,8 @@ * it under the terms of the GNU General Public License as published by * the Free Software Foundation. * - * Written by: Eliezer Tamir <eliezert@broadcom.com> + * Maintained by: Eilon Greenstein <eilong@broadcom.com> + * Written by: Eliezer Tamir * Based on code from Michael Chan's bnx2 driver * UDP CSUM errata workaround by Arik Gendelman * Slowpath rework by Vladislav Zolotarov @@ -74,7 +75,7 @@ static char version[] __devinitdata = "Broadcom NetXtreme II 5771X 10Gigabit Ethernet Driver " DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; -MODULE_AUTHOR("Eliezer Tamir <eliezert@broadcom.com>"); +MODULE_AUTHOR("Eliezer Tamir"); MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_MODULE_VERSION); diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h index 4f0c0d31e7c..8e68d06510a 100644 --- a/drivers/net/bnx2x.h +++ b/drivers/net/bnx2x.h @@ -6,7 +6,8 @@ * it under the terms of the GNU General Public License as published by * the Free Software Foundation. * - * Written by: Eliezer Tamir <eliezert@broadcom.com> + * Maintained by: Eilon Greenstein <eilong@broadcom.com> + * Written by: Eliezer Tamir * Based on code from Michael Chan's bnx2 driver */ diff --git a/drivers/net/bnx2x_init.h b/drivers/net/bnx2x_init.h index dcaecc53bdb..370686eef97 100644 --- a/drivers/net/bnx2x_init.h +++ b/drivers/net/bnx2x_init.h @@ -6,7 +6,8 @@ * it under the terms of the GNU General Public License as published by * the Free Software Foundation. * - * Written by: Eliezer Tamir <eliezert@broadcom.com> + * Maintained by: Eilon Greenstein <eilong@broadcom.com> + * Written by: Eliezer Tamir */ #ifndef BNX2X_INIT_H diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c index 2b5740b3d18..7f3f62e1b11 100644 --- a/drivers/net/cpmac.c +++ b/drivers/net/cpmac.c @@ -38,6 +38,7 @@ #include <linux/platform_device.h> #include <linux/dma-mapping.h> #include <asm/gpio.h> +#include <asm/atomic.h> MODULE_AUTHOR("Eugene Konev <ejka@imfi.kspu.ru>"); MODULE_DESCRIPTION("TI AR7 ethernet driver (CPMAC)"); @@ -187,6 +188,7 @@ struct cpmac_desc { #define CPMAC_EOQ 0x1000 struct sk_buff *skb; struct cpmac_desc *next; + struct cpmac_desc *prev; dma_addr_t mapping; dma_addr_t data_mapping; }; @@ -208,6 +210,7 @@ struct cpmac_priv { struct work_struct reset_work; struct platform_device *pdev; struct napi_struct napi; + atomic_t reset_pending; }; static irqreturn_t cpmac_irq(int, void *); @@ -241,6 +244,16 @@ static void cpmac_dump_desc(struct net_device *dev, struct cpmac_desc *desc) printk("\n"); } +static void cpmac_dump_all_desc(struct net_device *dev) +{ + struct cpmac_priv *priv = netdev_priv(dev); + struct cpmac_desc *dump = priv->rx_head; + do { + cpmac_dump_desc(dev, dump); + dump = dump->next; + } while (dump != priv->rx_head); +} + static void cpmac_dump_skb(struct net_device *dev, struct sk_buff *skb) { int i; @@ -412,21 +425,42 @@ static struct sk_buff *cpmac_rx_one(struct cpmac_priv *priv, static int cpmac_poll(struct napi_struct *napi, int budget) { struct sk_buff *skb; - struct cpmac_desc *desc; - int received = 0; + struct cpmac_desc *desc, *restart; struct cpmac_priv *priv = container_of(napi, struct cpmac_priv, napi); + int received = 0, processed = 0; spin_lock(&priv->rx_lock); if (unlikely(!priv->rx_head)) { if (netif_msg_rx_err(priv) && net_ratelimit()) printk(KERN_WARNING "%s: rx: polling, but no queue\n", priv->dev->name); + spin_unlock(&priv->rx_lock); netif_rx_complete(priv->dev, napi); return 0; } desc = priv->rx_head; + restart = NULL; while (((desc->dataflags & CPMAC_OWN) == 0) && (received < budget)) { + processed++; + + if ((desc->dataflags & CPMAC_EOQ) != 0) { + /* The last update to eoq->hw_next didn't happen + * soon enough, and the receiver stopped here. + *Remember this descriptor so we can restart + * the receiver after freeing some space. + */ + if (unlikely(restart)) { + if (netif_msg_rx_err(priv)) + printk(KERN_ERR "%s: poll found a" + " duplicate EOQ: %p and %p\n", + priv->dev->name, restart, desc); + goto fatal_error; + } + + restart = desc->next; + } + skb = cpmac_rx_one(priv, desc); if (likely(skb)) { netif_receive_skb(skb); @@ -435,19 +469,90 @@ static int cpmac_poll(struct napi_struct *napi, int budget) desc = desc->next; } + if (desc != priv->rx_head) { + /* We freed some buffers, but not the whole ring, + * add what we did free to the rx list */ + desc->prev->hw_next = (u32)0; + priv->rx_head->prev->hw_next = priv->rx_head->mapping; + } + + /* Optimization: If we did not actually process an EOQ (perhaps because + * of quota limits), check to see if the tail of the queue has EOQ set. + * We should immediately restart in that case so that the receiver can + * restart and run in parallel with more packet processing. + * This lets us handle slightly larger bursts before running + * out of ring space (assuming dev->weight < ring_size) */ + + if (!restart && + (priv->rx_head->prev->dataflags & (CPMAC_OWN|CPMAC_EOQ)) + == CPMAC_EOQ && + (priv->rx_head->dataflags & CPMAC_OWN) != 0) { + /* reset EOQ so the poll loop (above) doesn't try to + * restart this when it eventually gets to this descriptor. + */ + priv->rx_head->prev->dataflags &= ~CPMAC_EOQ; + restart = priv->rx_head; + } + + if (restart) { + priv->dev->stats.rx_errors++; + priv->dev->stats.rx_fifo_errors++; + if (netif_msg_rx_err(priv) && net_ratelimit()) + printk(KERN_WARNING "%s: rx dma ring overrun\n", + priv->dev->name); + + if (unlikely((restart->dataflags & CPMAC_OWN) == 0)) { + if (netif_msg_drv(priv)) + printk(KERN_ERR "%s: cpmac_poll is trying to " + "restart rx from a descriptor that's " + "not free: %p\n", + priv->dev->name, restart); + goto fatal_error; + } + + cpmac_write(priv->regs, CPMAC_RX_PTR(0), restart->mapping); + } + priv->rx_head = desc; spin_unlock(&priv->rx_lock); if (unlikely(netif_msg_rx_status(priv))) printk(KERN_DEBUG "%s: poll processed %d packets\n", priv->dev->name, received); - if (desc->dataflags & CPMAC_OWN) { + if (processed == 0) { + /* we ran out of packets to read, + * revert to interrupt-driven mode */ netif_rx_complete(priv->dev, napi); - cpmac_write(priv->regs, CPMAC_RX_PTR(0), (u32)desc->mapping); cpmac_write(priv->regs, CPMAC_RX_INT_ENABLE, 1); return 0; } return 1; + +fatal_error: + /* Something went horribly wrong. + * Reset hardware to try to recover rather than wedging. */ + + if (netif_msg_drv(priv)) { + printk(KERN_ERR "%s: cpmac_poll is confused. " + "Resetting hardware\n", priv->dev->name); + cpmac_dump_all_desc(priv->dev); + printk(KERN_DEBUG "%s: RX_PTR(0)=0x%08x RX_ACK(0)=0x%08x\n", + priv->dev->name, + cpmac_read(priv->regs, CPMAC_RX_PTR(0)), + cpmac_read(priv->regs, CPMAC_RX_ACK(0))); + } + + spin_unlock(&priv->rx_lock); + netif_rx_complete(priv->dev, napi); + netif_stop_queue(priv->dev); + napi_disable(&priv->napi); + + atomic_inc(&priv->reset_pending); + cpmac_hw_stop(priv->dev); + if (!schedule_work(&priv->reset_work)) + atomic_dec(&priv->reset_pending); + return 0; + } static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev) @@ -456,6 +561,9 @@ static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev) struct cpmac_desc *desc; struct cpmac_priv *priv = netdev_priv(dev); + if (unlikely(atomic_read(&priv->reset_pending))) + return NETDEV_TX_BUSY; + if (unlikely(skb_padto(skb, ETH_ZLEN))) return NETDEV_TX_OK; @@ -621,8 +729,10 @@ static void cpmac_clear_rx(struct net_device *dev) desc->dataflags = CPMAC_OWN; dev->stats.rx_dropped++; } + desc->hw_next = desc->next->mapping; desc = desc->next; } + priv->rx_head->prev->hw_next = 0; } static void cpmac_clear_tx(struct net_device *dev) @@ -635,14 +745,14 @@ static void cpmac_clear_tx(struct net_device *dev) priv->desc_ring[i].dataflags = 0; if (priv->desc_ring[i].skb) { dev_kfree_skb_any(priv->desc_ring[i].skb); - if (netif_subqueue_stopped(dev, i)) - netif_wake_subqueue(dev, i); + priv->desc_ring[i].skb = NULL; } } } static void cpmac_hw_error(struct work_struct *work) { + int i; struct cpmac_priv *priv = container_of(work, struct cpmac_priv, reset_work); @@ -651,8 +761,48 @@ static void cpmac_hw_error(struct work_struct *work) spin_unlock(&priv->rx_lock); cpmac_clear_tx(priv->dev); cpmac_hw_start(priv->dev); - napi_enable(&priv->napi); - netif_start_queue(priv->dev); + barrier(); + atomic_dec(&priv->reset_pending); + + for (i = 0; i < CPMAC_QUEUES; i++) + netif_wake_subqueue(priv->dev, i); + netif_wake_queue(priv->dev); + cpmac_write(priv->regs, CPMAC_MAC_INT_ENABLE, 3); +} + +static void cpmac_check_status(struct net_device *dev) +{ + struct cpmac_priv *priv = netdev_priv(dev); + + u32 macstatus = cpmac_read(priv->regs, CPMAC_MAC_STATUS); + int rx_channel = (macstatus >> 8) & 7; + int rx_code = (macstatus >> 12) & 15; + int tx_channel = (macstatus >> 16) & 7; + int tx_code = (macstatus >> 20) & 15; + + if (rx_code || tx_code) { + if (netif_msg_drv(priv) && net_ratelimit()) { + /* Can't find any documentation on what these + *error codes actually are. So just log them and hope.. + */ + if (rx_code) + printk(KERN_WARNING "%s: host error %d on rx " + "channel %d (macstatus %08x), resetting\n", + dev->name, rx_code, rx_channel, macstatus); + if (tx_code) + printk(KERN_WARNING "%s: host error %d on tx " + "channel %d (macstatus %08x), resetting\n", + dev->name, tx_code, tx_channel, macstatus); + } + + netif_stop_queue(dev); + cpmac_hw_stop(dev); + if (schedule_work(&priv->reset_work)) + atomic_inc(&priv->reset_pending); + if (unlikely(netif_msg_hw(priv))) + cpmac_dump_regs(dev); + } + cpmac_write(priv->regs, CPMAC_MAC_INT_CLEAR, 0xff); } static irqreturn_t cpmac_irq(int irq, void *dev_id) @@ -683,49 +833,32 @@ static irqreturn_t cpmac_irq(int irq, void *dev_id) cpmac_write(priv->regs, CPMAC_MAC_EOI_VECTOR, 0); - if (unlikely(status & (MAC_INT_HOST | MAC_INT_STATUS))) { - if (netif_msg_drv(priv) && net_ratelimit()) - printk(KERN_ERR "%s: hw error, resetting...\n", - dev->name); - netif_stop_queue(dev); - napi_disable(&priv->napi); - cpmac_hw_stop(dev); - schedule_work(&priv->reset_work); - if (unlikely(netif_msg_hw(priv))) - cpmac_dump_regs(dev); - } + if (unlikely(status & (MAC_INT_HOST | MAC_INT_STATUS))) + cpmac_check_status(dev); return IRQ_HANDLED; } static void cpmac_tx_timeout(struct net_device *dev) { - struct cpmac_priv *priv = netdev_priv(dev); int i; + struct cpmac_priv *priv = netdev_priv(dev); spin_lock(&priv->lock); dev->stats.tx_errors++; spin_unlock(&priv->lock); if (netif_msg_tx_err(priv) && net_ratelimit()) printk(KERN_WARNING "%s: transmit timeout\n", dev->name); - /* - * FIXME: waking up random queue is not the best thing to - * do... on the other hand why we got here at all? - */ -#ifdef CONFIG_NETDEVICES_MULTIQUEUE + + atomic_inc(&priv->reset_pending); + barrier(); + cpmac_clear_tx(dev); + barrier(); + atomic_dec(&priv->reset_pending); + + netif_wake_queue(priv->dev); for (i = 0; i < CPMAC_QUEUES; i++) - if (priv->desc_ring[i].skb) { - priv->desc_ring[i].dataflags = 0; - dev_kfree_skb_any(priv->desc_ring[i].skb); - netif_wake_subqueue(dev, i); - break; - } -#else - priv->desc_ring[0].dataflags = 0; - if (priv->desc_ring[0].skb) - dev_kfree_skb_any(priv->desc_ring[0].skb); - netif_wake_queue(dev); -#endif + netif_wake_subqueue(dev, i); } static int cpmac_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) @@ -901,9 +1034,12 @@ static int cpmac_open(struct net_device *dev) desc->buflen = CPMAC_SKB_SIZE; desc->dataflags = CPMAC_OWN; desc->next = &priv->rx_head[(i + 1) % priv->ring_size]; + desc->next->prev = desc; desc->hw_next = (u32)desc->next->mapping; } + priv->rx_head->prev->hw_next = (u32)0; + if ((res = request_irq(dev->irq, cpmac_irq, IRQF_SHARED, dev->name, dev))) { if (netif_msg_drv(priv)) @@ -912,6 +1048,7 @@ static int cpmac_open(struct net_device *dev) goto fail_irq; } + atomic_set(&priv->reset_pending, 0); INIT_WORK(&priv->reset_work, cpmac_hw_error); cpmac_hw_start(dev); @@ -1007,21 +1144,10 @@ static int __devinit cpmac_probe(struct platform_device *pdev) if (phy_id == PHY_MAX_ADDR) { if (external_switch || dumb_switch) { - struct fixed_phy_status status = {}; - - /* - * FIXME: this should be in the platform code! - * Since there is not platform code at all (that is, - * no mainline users of that driver), place it here - * for now. - */ - phy_id = 0; - status.link = 1; - status.duplex = 1; - status.speed = 100; - fixed_phy_add(PHY_POLL, phy_id, &status); + mdio_bus_id = 0; /* fixed phys bus */ + phy_id = pdev->id; } else { - printk(KERN_ERR "cpmac: no PHY present\n"); + dev_err(&pdev->dev, "no PHY present\n"); return -ENODEV; } } @@ -1064,10 +1190,8 @@ static int __devinit cpmac_probe(struct platform_device *pdev) priv->msg_enable = netif_msg_init(debug_level, 0xff); memcpy(dev->dev_addr, pdata->dev_addr, sizeof(dev->dev_addr)); - snprintf(priv->phy_name, BUS_ID_SIZE, PHY_ID_FMT, mdio_bus_id, phy_id); - - priv->phy = phy_connect(dev, priv->phy_name, &cpmac_adjust_link, 0, - PHY_INTERFACE_MODE_MII); + priv->phy = phy_connect(dev, cpmac_mii.phy_map[phy_id]->dev.bus_id, + &cpmac_adjust_link, 0, PHY_INTERFACE_MODE_MII); if (IS_ERR(priv->phy)) { if (netif_msg_drv(priv)) printk(KERN_ERR "%s: Could not attach to PHY\n", diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c index 348371fda59..fba87abe78e 100644 --- a/drivers/net/cs89x0.c +++ b/drivers/net/cs89x0.c @@ -1394,7 +1394,11 @@ net_open(struct net_device *dev) #endif if (!result) { printk(KERN_ERR "%s: EEPROM is configured for unavailable media\n", dev->name); - release_irq: +release_dma: +#if ALLOW_DMA + free_dma(dev->dma); +#endif +release_irq: #if ALLOW_DMA release_dma_buff(lp); #endif @@ -1442,12 +1446,12 @@ net_open(struct net_device *dev) if ((result = detect_bnc(dev)) != DETECTED_NONE) break; printk(KERN_ERR "%s: no media detected\n", dev->name); - goto release_irq; + goto release_dma; } switch(result) { case DETECTED_NONE: printk(KERN_ERR "%s: no network cable attached to configured media\n", dev->name); - goto release_irq; + goto release_dma; case DETECTED_RJ45H: printk(KERN_INFO "%s: using half-duplex 10Base-T (RJ-45)\n", dev->name); break; diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c index d45bcd2660a..864295e081b 100644 --- a/drivers/net/dm9000.c +++ b/drivers/net/dm9000.c @@ -903,7 +903,7 @@ dm9000_stop(struct net_device *ndev) if (netif_msg_ifdown(db)) dev_dbg(db->dev, "shutting down %s\n", ndev->name); - cancel_delayed_work(&db->phy_poll); + cancel_delayed_work_sync(&db->phy_poll); netif_stop_queue(ndev); netif_carrier_off(ndev); diff --git a/drivers/net/e100.c b/drivers/net/e100.c index f3cba5e24ec..1037b133231 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -1803,6 +1803,8 @@ static int e100_rx_alloc_skb(struct nic *nic, struct rx *rx) if (rx->prev->skb) { struct rfd *prev_rfd = (struct rfd *)rx->prev->skb->data; put_unaligned_le32(rx->dma_addr, &prev_rfd->link); + pci_dma_sync_single_for_device(nic->pdev, rx->prev->dma_addr, + sizeof(struct rfd), PCI_DMA_TODEVICE); } return 0; diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c index 701531e72e7..a3f6a9c72ec 100644 --- a/drivers/net/e1000/e1000_ethtool.c +++ b/drivers/net/e1000/e1000_ethtool.c @@ -347,7 +347,7 @@ e1000_set_tso(struct net_device *netdev, u32 data) else netdev->features &= ~NETIF_F_TSO; - if (data) + if (data && (adapter->hw.mac_type > e1000_82547_rev_2)) netdev->features |= NETIF_F_TSO6; else netdev->features &= ~NETIF_F_TSO6; diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 8cbb40f3a50..648a87bbf46 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -2535,7 +2535,8 @@ void e1000e_down(struct e1000_adapter *adapter) adapter->link_speed = 0; adapter->link_duplex = 0; - e1000e_reset(adapter); + if (!pci_channel_offline(adapter->pdev)) + e1000e_reset(adapter); e1000_clean_tx_ring(adapter); e1000_clean_rx_ring(adapter); @@ -4201,8 +4202,8 @@ static int __devinit e1000_probe(struct pci_dev *pdev, struct e1000_adapter *adapter; struct e1000_hw *hw; const struct e1000_info *ei = e1000_info_tbl[ent->driver_data]; - unsigned long mmio_start, mmio_len; - unsigned long flash_start, flash_len; + resource_size_t mmio_start, mmio_len; + resource_size_t flash_start, flash_len; static int cards_found; int i, err, pci_using_dac; diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index d1b6d4e7495..075fd547421 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -1766,16 +1766,20 @@ static int ehea_set_mac_addr(struct net_device *dev, void *sa) mutex_lock(&ehea_bcmc_regs.lock); /* Deregister old MAC in pHYP */ - ret = ehea_broadcast_reg_helper(port, H_DEREG_BCMC); - if (ret) - goto out_upregs; + if (port->state == EHEA_PORT_UP) { + ret = ehea_broadcast_reg_helper(port, H_DEREG_BCMC); + if (ret) + goto out_upregs; + } port->mac_addr = cb0->port_mac_addr << 16; /* Register new MAC in pHYP */ - ret = ehea_broadcast_reg_helper(port, H_REG_BCMC); - if (ret) - goto out_upregs; + if (port->state == EHEA_PORT_UP) { + ret = ehea_broadcast_reg_helper(port, H_REG_BCMC); + if (ret) + goto out_upregs; + } ret = 0; @@ -2213,8 +2217,6 @@ static void ehea_vlan_rx_register(struct net_device *dev, goto out; } - memset(cb1->vlan_filter, 0, sizeof(cb1->vlan_filter)); - hret = ehea_h_modify_ehea_port(adapter->handle, port->logical_port_id, H_PORT_CB1, H_PORT_CB1_ALL, cb1); if (hret != H_SUCCESS) @@ -2603,7 +2605,8 @@ static int ehea_stop(struct net_device *dev) if (netif_msg_ifdown(port)) ehea_info("disabling port %s", dev->name); - flush_scheduled_work(); + cancel_work_sync(&port->reset_task); + mutex_lock(&port->port_lock); netif_stop_queue(dev); port_napi_disable(port); @@ -3178,11 +3181,12 @@ out_err: static void ehea_shutdown_single_port(struct ehea_port *port) { + struct ehea_adapter *adapter = port->adapter; unregister_netdev(port->netdev); ehea_unregister_port(port); kfree(port->mc_list); free_netdev(port->netdev); - port->adapter->active_ports--; + adapter->active_ports--; } static int ehea_setup_ports(struct ehea_adapter *adapter) diff --git a/drivers/net/enc28j60.c b/drivers/net/enc28j60.c index 46a90e9ec56..c05cb159c77 100644 --- a/drivers/net/enc28j60.c +++ b/drivers/net/enc28j60.c @@ -400,26 +400,31 @@ enc28j60_packet_write(struct enc28j60_net *priv, int len, const u8 *data) mutex_unlock(&priv->lock); } -/* - * Wait until the PHY operation is complete. - */ -static int wait_phy_ready(struct enc28j60_net *priv) +static unsigned long msec20_to_jiffies; + +static int poll_ready(struct enc28j60_net *priv, u8 reg, u8 mask, u8 val) { - unsigned long timeout = jiffies + 20 * HZ / 1000; - int ret = 1; + unsigned long timeout = jiffies + msec20_to_jiffies; /* 20 msec timeout read */ - while (nolock_regb_read(priv, MISTAT) & MISTAT_BUSY) { + while ((nolock_regb_read(priv, reg) & mask) != val) { if (time_after(jiffies, timeout)) { if (netif_msg_drv(priv)) - printk(KERN_DEBUG DRV_NAME - ": PHY ready timeout!\n"); - ret = 0; - break; + dev_dbg(&priv->spi->dev, + "reg %02x ready timeout!\n", reg); + return -ETIMEDOUT; } cpu_relax(); } - return ret; + return 0; +} + +/* + * Wait until the PHY operation is complete. + */ +static int wait_phy_ready(struct enc28j60_net *priv) +{ + return poll_ready(priv, MISTAT, MISTAT_BUSY, 0) ? 0 : 1; } /* @@ -594,6 +599,32 @@ static void nolock_txfifo_init(struct enc28j60_net *priv, u16 start, u16 end) nolock_regw_write(priv, ETXNDL, end); } +/* + * Low power mode shrinks power consumption about 100x, so we'd like + * the chip to be in that mode whenever it's inactive. (However, we + * can't stay in lowpower mode during suspend with WOL active.) + */ +static void enc28j60_lowpower(struct enc28j60_net *priv, bool is_low) +{ + if (netif_msg_drv(priv)) + dev_dbg(&priv->spi->dev, "%s power...\n", + is_low ? "low" : "high"); + + mutex_lock(&priv->lock); + if (is_low) { + nolock_reg_bfclr(priv, ECON1, ECON1_RXEN); + poll_ready(priv, ESTAT, ESTAT_RXBUSY, 0); + poll_ready(priv, ECON1, ECON1_TXRTS, 0); + /* ECON2_VRPS was set during initialization */ + nolock_reg_bfset(priv, ECON2, ECON2_PWRSV); + } else { + nolock_reg_bfclr(priv, ECON2, ECON2_PWRSV); + poll_ready(priv, ESTAT, ESTAT_CLKRDY, ESTAT_CLKRDY); + /* caller sets ECON1_RXEN */ + } + mutex_unlock(&priv->lock); +} + static int enc28j60_hw_init(struct enc28j60_net *priv) { u8 reg; @@ -612,8 +643,8 @@ static int enc28j60_hw_init(struct enc28j60_net *priv) priv->tx_retry_count = 0; priv->max_pk_counter = 0; priv->rxfilter = RXFILTER_NORMAL; - /* enable address auto increment */ - nolock_regb_write(priv, ECON2, ECON2_AUTOINC); + /* enable address auto increment and voltage regulator powersave */ + nolock_regb_write(priv, ECON2, ECON2_AUTOINC | ECON2_VRPS); nolock_rxfifo_init(priv, RXSTART_INIT, RXEND_INIT); nolock_txfifo_init(priv, TXSTART_INIT, TXEND_INIT); @@ -690,7 +721,7 @@ static int enc28j60_hw_init(struct enc28j60_net *priv) static void enc28j60_hw_enable(struct enc28j60_net *priv) { - /* enable interrutps */ + /* enable interrupts */ if (netif_msg_hw(priv)) printk(KERN_DEBUG DRV_NAME ": %s() enabling interrupts.\n", __FUNCTION__); @@ -726,15 +757,12 @@ enc28j60_setlink(struct net_device *ndev, u8 autoneg, u16 speed, u8 duplex) int ret = 0; if (!priv->hw_enable) { - if (autoneg == AUTONEG_DISABLE && speed == SPEED_10) { + /* link is in low power mode now; duplex setting + * will take effect on next enc28j60_hw_init(). + */ + if (autoneg == AUTONEG_DISABLE && speed == SPEED_10) priv->full_duplex = (duplex == DUPLEX_FULL); - if (!enc28j60_hw_init(priv)) { - if (netif_msg_drv(priv)) - dev_err(&ndev->dev, - "hw_reset() failed\n"); - ret = -EINVAL; - } - } else { + else { if (netif_msg_link(priv)) dev_warn(&ndev->dev, "unsupported link setting\n"); @@ -1307,7 +1335,8 @@ static int enc28j60_net_open(struct net_device *dev) } return -EADDRNOTAVAIL; } - /* Reset the hardware here */ + /* Reset the hardware here (and take it out of low power mode) */ + enc28j60_lowpower(priv, false); enc28j60_hw_disable(priv); if (!enc28j60_hw_init(priv)) { if (netif_msg_ifup(priv)) @@ -1337,6 +1366,7 @@ static int enc28j60_net_close(struct net_device *dev) printk(KERN_DEBUG DRV_NAME ": %s() enter\n", __FUNCTION__); enc28j60_hw_disable(priv); + enc28j60_lowpower(priv, true); netif_stop_queue(dev); return 0; @@ -1537,6 +1567,8 @@ static int __devinit enc28j60_probe(struct spi_device *spi) dev->watchdog_timeo = TX_TIMEOUT; SET_ETHTOOL_OPS(dev, &enc28j60_ethtool_ops); + enc28j60_lowpower(priv, true); + ret = register_netdev(dev); if (ret) { if (netif_msg_probe(priv)) @@ -1556,7 +1588,7 @@ error_alloc: return ret; } -static int enc28j60_remove(struct spi_device *spi) +static int __devexit enc28j60_remove(struct spi_device *spi) { struct enc28j60_net *priv = dev_get_drvdata(&spi->dev); @@ -1573,15 +1605,16 @@ static int enc28j60_remove(struct spi_device *spi) static struct spi_driver enc28j60_driver = { .driver = { .name = DRV_NAME, - .bus = &spi_bus_type, .owner = THIS_MODULE, - }, + }, .probe = enc28j60_probe, .remove = __devexit_p(enc28j60_remove), }; static int __init enc28j60_init(void) { + msec20_to_jiffies = msecs_to_jiffies(20); + return spi_register_driver(&enc28j60_driver); } diff --git a/drivers/net/fec_mpc52xx.c b/drivers/net/fec_mpc52xx.c index 5f9c42e7a7f..329edd9c08f 100644 --- a/drivers/net/fec_mpc52xx.c +++ b/drivers/net/fec_mpc52xx.c @@ -78,7 +78,7 @@ module_param_array_named(mac, mpc52xx_fec_mac_addr, byte, NULL, 0); MODULE_PARM_DESC(mac, "six hex digits, ie. 0x1,0x2,0xc0,0x01,0xba,0xbe"); #define MPC52xx_MESSAGES_DEFAULT ( NETIF_MSG_DRV | NETIF_MSG_PROBE | \ - NETIF_MSG_LINK | NETIF_MSG_IFDOWN | NETIF_MSG_IFDOWN ) + NETIF_MSG_LINK | NETIF_MSG_IFDOWN | NETIF_MSG_IFUP) static int debug = -1; /* the above default */ module_param(debug, int, 0); MODULE_PARM_DESC(debug, "debugging messages level"); diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 35f66d4a459..2cb24476329 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -3273,6 +3273,20 @@ static void nv_link_irq(struct net_device *dev) dprintk(KERN_DEBUG "%s: link change notification done.\n", dev->name); } +static void nv_msi_workaround(struct fe_priv *np) +{ + + /* Need to toggle the msi irq mask within the ethernet device, + * otherwise, future interrupts will not be detected. + */ + if (np->msi_flags & NV_MSI_ENABLED) { + u8 __iomem *base = np->base; + + writel(0, base + NvRegMSIIrqMask); + writel(NVREG_MSI_VECTOR_0_ENABLED, base + NvRegMSIIrqMask); + } +} + static irqreturn_t nv_nic_irq(int foo, void *data) { struct net_device *dev = (struct net_device *) data; @@ -3295,6 +3309,8 @@ static irqreturn_t nv_nic_irq(int foo, void *data) if (!(events & np->irqmask)) break; + nv_msi_workaround(np); + spin_lock(&np->lock); nv_tx_done(dev); spin_unlock(&np->lock); @@ -3410,6 +3426,8 @@ static irqreturn_t nv_nic_irq_optimized(int foo, void *data) if (!(events & np->irqmask)) break; + nv_msi_workaround(np); + spin_lock(&np->lock); nv_tx_done_optimized(dev, TX_WORK_PER_LOOP); spin_unlock(&np->lock); @@ -3750,6 +3768,8 @@ static irqreturn_t nv_nic_irq_test(int foo, void *data) if (!(events & NVREG_IRQ_TIMER)) return IRQ_RETVAL(0); + nv_msi_workaround(np); + spin_lock(&np->lock); np->intr_test = 1; spin_unlock(&np->lock); @@ -5823,6 +5843,7 @@ static int nv_resume(struct pci_dev *pdev) writel(txreg, base + NvRegTransmitPoll); rc = nv_open(dev); + nv_set_multicast(dev); out: return rc; } diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c index 67b4b0728fc..a5baaf59ff6 100644 --- a/drivers/net/fs_enet/fs_enet-main.c +++ b/drivers/net/fs_enet/fs_enet-main.c @@ -1093,7 +1093,7 @@ err: if (registered) unregister_netdev(ndev); - if (fep != NULL) { + if (fep && fep->ops) { (*fep->ops->free_bd)(ndev); (*fep->ops->cleanup_data)(ndev); } diff --git a/drivers/net/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c index dde9c7e6408..00bc7fbb6b3 100644 --- a/drivers/net/hamradio/baycom_epp.c +++ b/drivers/net/hamradio/baycom_epp.c @@ -959,7 +959,7 @@ static int epp_close(struct net_device *dev) unsigned char tmp[1]; bc->work_running = 0; - flush_scheduled_work(); + cancel_delayed_work_sync(&bc->run_work); bc->stat = EPP_DCDBIT; tmp[0] = 0; pp->ops->epp_write_addr(pp, tmp, 1, 0); diff --git a/drivers/net/hamradio/dmascc.c b/drivers/net/hamradio/dmascc.c index 0b94833e23f..e8cfadefa4b 100644 --- a/drivers/net/hamradio/dmascc.c +++ b/drivers/net/hamradio/dmascc.c @@ -1077,8 +1077,6 @@ static inline void rx_off(struct scc_priv *priv) static void start_timer(struct scc_priv *priv, int t, int r15) { - unsigned long flags; - outb(priv->tmr_mode, priv->tmr_ctrl); if (t == 0) { tm_isr(priv); diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c index f9051593583..45ae9d1191d 100644 --- a/drivers/net/hamradio/scc.c +++ b/drivers/net/hamradio/scc.c @@ -1340,9 +1340,10 @@ static unsigned int scc_set_param(struct scc_channel *scc, unsigned int cmd, uns case PARAM_RTS: if ( !(scc->wreg[R5] & RTS) ) { - if (arg != TX_OFF) + if (arg != TX_OFF) { scc_key_trx(scc, TX_ON); scc_start_tx_timer(scc, t_txdelay, scc->kiss.txdelay); + } } else { if (arg == TX_OFF) { diff --git a/drivers/net/ibm_newemac/Kconfig b/drivers/net/ibm_newemac/Kconfig index 0d3e7380bad..70a3272ee99 100644 --- a/drivers/net/ibm_newemac/Kconfig +++ b/drivers/net/ibm_newemac/Kconfig @@ -1,6 +1,7 @@ config IBM_NEW_EMAC tristate "IBM EMAC Ethernet support" depends on PPC_DCR && PPC_MERGE + select CRC32 help This driver supports the IBM EMAC family of Ethernet controllers typically found on 4xx embedded PowerPC chips, but also on the diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index ae398f04c7b..e79a26a886c 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -718,7 +718,8 @@ void igb_down(struct igb_adapter *adapter) adapter->link_speed = 0; adapter->link_duplex = 0; - igb_reset(adapter); + if (!pci_channel_offline(adapter->pdev)) + igb_reset(adapter); igb_clean_all_tx_rings(adapter); igb_clean_all_rx_rings(adapter); } diff --git a/drivers/net/ipg.c b/drivers/net/ipg.c index 9b358f61ed7..2c03f4e2ccc 100644 --- a/drivers/net/ipg.c +++ b/drivers/net/ipg.c @@ -577,12 +577,12 @@ static void ipg_nic_set_multicast_list(struct net_device *dev) /* NIC to be configured in promiscuous mode. */ receivemode = IPG_RM_RECEIVEALLFRAMES; } else if ((dev->flags & IFF_ALLMULTI) || - (dev->flags & IFF_MULTICAST & + ((dev->flags & IFF_MULTICAST) && (dev->mc_count > IPG_MULTICAST_HASHTABLE_SIZE))) { /* NIC to be configured to receive all multicast * frames. */ receivemode |= IPG_RM_RECEIVEMULTICAST; - } else if (dev->flags & IFF_MULTICAST & (dev->mc_count > 0)) { + } else if ((dev->flags & IFF_MULTICAST) && (dev->mc_count > 0)) { /* NIC to be configured to receive selected * multicast addresses. */ receivemode |= IPG_RM_RECEIVEMULTICASTHASH; @@ -1271,7 +1271,7 @@ static void ipg_nic_rx_with_end(struct net_device *dev, framelen = le64_to_cpu(rxfd->rfs) & IPG_RFS_RXFRAMELEN; - endframeLen = framelen - jumbo->current_size; + endframelen = framelen - jumbo->current_size; /* if (framelen > IPG_RXFRAG_SIZE) framelen=IPG_RXFRAG_SIZE; @@ -1279,8 +1279,8 @@ static void ipg_nic_rx_with_end(struct net_device *dev, if (framelen > IPG_RXSUPPORT_SIZE) dev_kfree_skb_irq(jumbo->skb); else { - memcpy(skb_put(jumbo->skb, endframeLen), - skb->data, endframeLen); + memcpy(skb_put(jumbo->skb, endframelen), + skb->data, endframelen); jumbo->skb->protocol = eth_type_trans(jumbo->skb, dev); @@ -1352,16 +1352,16 @@ static int ipg_nic_rx(struct net_device *dev) switch (ipg_nic_rx_check_frame_type(dev)) { case FRAME_WITH_START_WITH_END: - ipg_nic_rx_with_start_and_end(dev, tp, rxfd, entry); + ipg_nic_rx_with_start_and_end(dev, sp, rxfd, entry); break; case FRAME_WITH_START: - ipg_nic_rx_with_start(dev, tp, rxfd, entry); + ipg_nic_rx_with_start(dev, sp, rxfd, entry); break; case FRAME_WITH_END: - ipg_nic_rx_with_end(dev, tp, rxfd, entry); + ipg_nic_rx_with_end(dev, sp, rxfd, entry); break; case FRAME_NO_START_NO_END: - ipg_nic_rx_no_start_no_end(dev, tp, rxfd, entry); + ipg_nic_rx_no_start_no_end(dev, sp, rxfd, entry); break; } } @@ -1808,7 +1808,7 @@ static int ipg_nic_open(struct net_device *dev) /* initialize JUMBO Frame control variable */ sp->jumbo.found_start = 0; sp->jumbo.current_size = 0; - sp->jumbo.skb = 0; + sp->jumbo.skb = NULL; dev->mtu = IPG_TXFRAG_SIZE; #endif diff --git a/drivers/net/irda/Kconfig b/drivers/net/irda/Kconfig index ce816ba9c40..e6317557a53 100644 --- a/drivers/net/irda/Kconfig +++ b/drivers/net/irda/Kconfig @@ -329,6 +329,7 @@ config PXA_FICP config MCS_FIR tristate "MosChip MCS7780 IrDA-USB dongle" depends on IRDA && USB && EXPERIMENTAL + select CRC32 help Say Y or M here if you want to build support for the MosChip MCS7780 IrDA-USB bridge device driver. diff --git a/drivers/net/ixgbe/ixgbe_82598.c b/drivers/net/ixgbe/ixgbe_82598.c index 6321b059ce1..2f38e847e2c 100644 --- a/drivers/net/ixgbe/ixgbe_82598.c +++ b/drivers/net/ixgbe/ixgbe_82598.c @@ -58,8 +58,8 @@ static s32 ixgbe_reset_hw_82598(struct ixgbe_hw *hw); static s32 ixgbe_get_invariants_82598(struct ixgbe_hw *hw) { - hw->mac.num_rx_queues = IXGBE_82598_MAX_TX_QUEUES; - hw->mac.num_tx_queues = IXGBE_82598_MAX_RX_QUEUES; + hw->mac.num_rx_queues = IXGBE_82598_MAX_RX_QUEUES; + hw->mac.num_tx_queues = IXGBE_82598_MAX_TX_QUEUES; hw->mac.num_rx_addrs = IXGBE_82598_RAR_ENTRIES; /* PHY ops are filled in by default properly for Fiber only */ diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 7b859220c25..8f046090115 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -1969,7 +1969,8 @@ void ixgbe_down(struct ixgbe_adapter *adapter) netif_carrier_off(netdev); netif_stop_queue(netdev); - ixgbe_reset(adapter); + if (!pci_channel_offline(adapter->pdev)) + ixgbe_reset(adapter); ixgbe_clean_all_tx_rings(adapter); ixgbe_clean_all_rx_rings(adapter); diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index c91b12ea26a..e0d76c75aea 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -75,7 +75,7 @@ #include "myri10ge_mcp.h" #include "myri10ge_mcp_gen_header.h" -#define MYRI10GE_VERSION_STR "1.3.2-1.287" +#define MYRI10GE_VERSION_STR "1.3.99-1.347" MODULE_DESCRIPTION("Myricom 10G driver (10GbE)"); MODULE_AUTHOR("Maintainer: help@myri.com"); @@ -631,7 +631,7 @@ static int myri10ge_adopt_running_firmware(struct myri10ge_priv *mgp) return status; } -int myri10ge_get_firmware_capabilities(struct myri10ge_priv *mgp) +static int myri10ge_get_firmware_capabilities(struct myri10ge_priv *mgp) { struct myri10ge_cmd cmd; int status; diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index 8cb29f5b103..da4c4fb9706 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -776,7 +776,6 @@ struct netxen_hardware_context { u8 revision_id; u16 board_type; - u16 max_ports; struct netxen_board_info boardcfg; u32 xg_linkup; u32 qg_linksup; @@ -863,6 +862,7 @@ struct netxen_adapter { unsigned char mac_addr[ETH_ALEN]; int mtu; int portnum; + u8 physical_port; struct work_struct watchdog_task; struct timer_list watchdog_timer; @@ -1034,7 +1034,6 @@ int netxen_rom_se(struct netxen_adapter *adapter, int addr); /* Functions from netxen_nic_isr.c */ void netxen_initialize_adapter_sw(struct netxen_adapter *adapter); -void netxen_initialize_adapter_hw(struct netxen_adapter *adapter); void *netxen_alloc(struct pci_dev *pdev, size_t sz, dma_addr_t * ptr, struct pci_dev **used_dev); void netxen_initialize_adapter_ops(struct netxen_adapter *adapter); @@ -1077,20 +1076,6 @@ static const struct netxen_brdinfo netxen_boards[] = { #define NUM_SUPPORTED_BOARDS ARRAY_SIZE(netxen_boards) -static inline void get_brd_port_by_type(u32 type, int *ports) -{ - int i, found = 0; - for (i = 0; i < NUM_SUPPORTED_BOARDS; ++i) { - if (netxen_boards[i].brdtype == type) { - *ports = netxen_boards[i].ports; - found = 1; - break; - } - } - if (!found) - *ports = 0; -} - static inline void get_brd_name_by_type(u32 type, char *name) { int i, found = 0; @@ -1169,5 +1154,4 @@ extern int netxen_rom_fast_read(struct netxen_adapter *adapter, int addr, extern struct ethtool_ops netxen_nic_ethtool_ops; -extern int physical_port[]; /* physical port # from virtual port.*/ #endif /* __NETXEN_NIC_H_ */ diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c index 6e98d830eef..723487bf200 100644 --- a/drivers/net/netxen/netxen_nic_ethtool.c +++ b/drivers/net/netxen/netxen_nic_ethtool.c @@ -369,7 +369,7 @@ netxen_nic_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *p) for (i = 3; niu_registers[mode].reg[i - 3] != -1; i++) { /* GB: port specific registers */ if (mode == 0 && i >= 19) - window = physical_port[adapter->portnum] * + window = adapter->physical_port * NETXEN_NIC_PORT_WINDOW; NETXEN_NIC_LOCKED_READ_REG(niu_registers[mode]. @@ -527,7 +527,7 @@ netxen_nic_get_pauseparam(struct net_device *dev, { struct netxen_adapter *adapter = netdev_priv(dev); __u32 val; - int port = physical_port[adapter->portnum]; + int port = adapter->physical_port; if (adapter->ahw.board_type == NETXEN_NIC_GBE) { if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS)) @@ -573,7 +573,7 @@ netxen_nic_set_pauseparam(struct net_device *dev, { struct netxen_adapter *adapter = netdev_priv(dev); __u32 val; - int port = physical_port[adapter->portnum]; + int port = adapter->physical_port; /* read mode */ if (adapter->ahw.board_type == NETXEN_NIC_GBE) { if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS)) diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index af735646825..c43d06b8de9 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -396,11 +396,8 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) } adapter->intr_scheme = readl( NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_CAPABILITIES_FW)); - printk(KERN_NOTICE "%s: FW capabilities:0x%x\n", netxen_nic_driver_name, - adapter->intr_scheme); adapter->msi_mode = readl( NETXEN_CRB_NORMALIZE(adapter, CRB_NIC_MSI_MODE_FW)); - DPRINTK(INFO, "Receive Peg ready too. starting stuff\n"); addr = netxen_alloc(adapter->ahw.pdev, sizeof(struct netxen_ring_ctx) + @@ -408,8 +405,6 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) (dma_addr_t *) & adapter->ctx_desc_phys_addr, &adapter->ctx_desc_pdev); - printk(KERN_INFO "ctx_desc_phys_addr: 0x%llx\n", - (unsigned long long) adapter->ctx_desc_phys_addr); if (addr == NULL) { DPRINTK(ERR, "bad return from pci_alloc_consistent\n"); err = -ENOMEM; @@ -429,8 +424,6 @@ int netxen_nic_hw_resources(struct netxen_adapter *adapter) adapter->max_tx_desc_count, (dma_addr_t *) & hw->cmd_desc_phys_addr, &adapter->ahw.cmd_desc_pdev); - printk(KERN_INFO "cmd_desc_phys_addr: 0x%llx\n", - (unsigned long long) hw->cmd_desc_phys_addr); if (addr == NULL) { DPRINTK(ERR, "bad return from pci_alloc_consistent\n"); @@ -1032,15 +1025,15 @@ int netxen_nic_get_board_info(struct netxen_adapter *adapter) int netxen_nic_set_mtu_gb(struct netxen_adapter *adapter, int new_mtu) { netxen_nic_write_w0(adapter, - NETXEN_NIU_GB_MAX_FRAME_SIZE( - physical_port[adapter->portnum]), new_mtu); + NETXEN_NIU_GB_MAX_FRAME_SIZE(adapter->physical_port), + new_mtu); return 0; } int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu) { new_mtu += NETXEN_NIU_HDRSIZE + NETXEN_NIU_TLRSIZE; - if (physical_port[adapter->portnum] == 0) + if (adapter->physical_port == 0) netxen_nic_write_w0(adapter, NETXEN_NIU_XGE_MAX_FRAME_SIZE, new_mtu); else @@ -1051,7 +1044,7 @@ int netxen_nic_set_mtu_xgb(struct netxen_adapter *adapter, int new_mtu) void netxen_nic_init_niu_gb(struct netxen_adapter *adapter) { - netxen_niu_gbe_init_port(adapter, physical_port[adapter->portnum]); + netxen_niu_gbe_init_port(adapter, adapter->physical_port); } void @@ -1127,7 +1120,6 @@ void netxen_nic_set_link_parameters(struct netxen_adapter *adapter) void netxen_nic_flash_print(struct netxen_adapter *adapter) { - int valid = 1; u32 fw_major = 0; u32 fw_minor = 0; u32 fw_build = 0; @@ -1137,70 +1129,62 @@ void netxen_nic_flash_print(struct netxen_adapter *adapter) __le32 *ptr32; struct netxen_board_info *board_info = &(adapter->ahw.boardcfg); - if (board_info->magic != NETXEN_BDINFO_MAGIC) { - printk - ("NetXen Unknown board config, Read 0x%x expected as 0x%x\n", - board_info->magic, NETXEN_BDINFO_MAGIC); - valid = 0; - } - if (board_info->header_version != NETXEN_BDINFO_VERSION) { - printk("NetXen Unknown board config version." - " Read %x, expected %x\n", - board_info->header_version, NETXEN_BDINFO_VERSION); - valid = 0; - } - if (valid) { - ptr32 = (u32 *)&serial_num; - addr = NETXEN_USER_START + - offsetof(struct netxen_new_user_info, serial_num); - for (i = 0; i < 8; i++) { - if (netxen_rom_fast_read(adapter, addr, ptr32) == -1) { - printk("%s: ERROR reading %s board userarea.\n", - netxen_nic_driver_name, - netxen_nic_driver_name); - return; - } - ptr32++; - addr += sizeof(u32); + + adapter->driver_mismatch = 0; + + ptr32 = (u32 *)&serial_num; + addr = NETXEN_USER_START + + offsetof(struct netxen_new_user_info, serial_num); + for (i = 0; i < 8; i++) { + if (netxen_rom_fast_read(adapter, addr, ptr32) == -1) { + printk("%s: ERROR reading %s board userarea.\n", + netxen_nic_driver_name, + netxen_nic_driver_name); + adapter->driver_mismatch = 1; + return; } + ptr32++; + addr += sizeof(u32); + } + + fw_major = readl(NETXEN_CRB_NORMALIZE(adapter, + NETXEN_FW_VERSION_MAJOR)); + fw_minor = readl(NETXEN_CRB_NORMALIZE(adapter, + NETXEN_FW_VERSION_MINOR)); + fw_build = + readl(NETXEN_CRB_NORMALIZE(adapter, NETXEN_FW_VERSION_SUB)); + if (adapter->portnum == 0) { get_brd_name_by_type(board_info->board_type, brd_name); printk("NetXen %s Board S/N %s Chip id 0x%x\n", - brd_name, serial_num, board_info->chip_id); - - printk("NetXen %s Board #%d, Chip id 0x%x\n", - board_info->board_type == 0x0b ? "XGB" : "GBE", - board_info->board_num, board_info->chip_id); - fw_major = readl(NETXEN_CRB_NORMALIZE(adapter, - NETXEN_FW_VERSION_MAJOR)); - fw_minor = readl(NETXEN_CRB_NORMALIZE(adapter, - NETXEN_FW_VERSION_MINOR)); - fw_build = - readl(NETXEN_CRB_NORMALIZE(adapter, NETXEN_FW_VERSION_SUB)); - - printk("NetXen Firmware version %d.%d.%d\n", fw_major, fw_minor, - fw_build); + brd_name, serial_num, board_info->chip_id); + printk("NetXen Firmware version %d.%d.%d\n", fw_major, + fw_minor, fw_build); } + if (fw_major != _NETXEN_NIC_LINUX_MAJOR) { - printk(KERN_ERR "The mismatch in driver version and firmware " - "version major number\n" - "Driver version major number = %d \t" - "Firmware version major number = %d \n", - _NETXEN_NIC_LINUX_MAJOR, fw_major); adapter->driver_mismatch = 1; } if (fw_minor != _NETXEN_NIC_LINUX_MINOR && fw_minor != (_NETXEN_NIC_LINUX_MINOR + 1)) { - printk(KERN_ERR "The mismatch in driver version and firmware " - "version minor number\n" - "Driver version minor number = %d \t" - "Firmware version minor number = %d \n", - _NETXEN_NIC_LINUX_MINOR, fw_minor); adapter->driver_mismatch = 1; } - if (adapter->driver_mismatch) - printk(KERN_INFO "Use the driver with version no %d.%d.xxx\n", - fw_major, fw_minor); + if (adapter->driver_mismatch) { + printk(KERN_ERR "%s: driver and firmware version mismatch\n", + adapter->netdev->name); + return; + } + + switch (adapter->ahw.board_type) { + case NETXEN_NIC_GBE: + dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n", + adapter->netdev->name); + break; + case NETXEN_NIC_XGBE: + dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n", + adapter->netdev->name); + break; + } } diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c index 45fa33e0cb9..70d1b22ced2 100644 --- a/drivers/net/netxen/netxen_nic_init.c +++ b/drivers/net/netxen/netxen_nic_init.c @@ -203,21 +203,6 @@ void netxen_initialize_adapter_sw(struct netxen_adapter *adapter) } } -void netxen_initialize_adapter_hw(struct netxen_adapter *adapter) -{ - int ports = 0; - struct netxen_board_info *board_info = &(adapter->ahw.boardcfg); - - if (netxen_nic_get_board_info(adapter) != 0) - printk("%s: Error getting board config info.\n", - netxen_nic_driver_name); - get_brd_port_by_type(board_info->board_type, &ports); - if (ports == 0) - printk(KERN_ERR "%s: Unknown board type\n", - netxen_nic_driver_name); - adapter->ahw.max_ports = ports; -} - void netxen_initialize_adapter_ops(struct netxen_adapter *adapter) { switch (adapter->ahw.board_type) { @@ -765,18 +750,13 @@ int netxen_flash_unlock(struct netxen_adapter *adapter) int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose) { - int addr, val, status; + int addr, val; int n, i; int init_delay = 0; struct crb_addr_pair *buf; u32 off; /* resetall */ - status = netxen_nic_get_board_info(adapter); - if (status) - printk("%s: netxen_pinit_from_rom: Error getting board info\n", - netxen_nic_driver_name); - netxen_crb_writelit_adapter(adapter, NETXEN_ROMUSB_GLB_SW_RESET, NETXEN_ROMBUS_RESET); @@ -860,10 +840,10 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose) netxen_nic_pci_change_crbwindow(adapter, 1); } if (init_delay == 1) { - msleep(2000); + msleep(1000); init_delay = 0; } - msleep(20); + msleep(1); } kfree(buf); @@ -938,12 +918,28 @@ int netxen_initialize_adapter_offload(struct netxen_adapter *adapter) void netxen_free_adapter_offload(struct netxen_adapter *adapter) { + int i; + if (adapter->dummy_dma.addr) { - pci_free_consistent(adapter->ahw.pdev, + i = 100; + do { + if (dma_watchdog_shutdown_request(adapter) == 1) + break; + msleep(50); + if (dma_watchdog_shutdown_poll_result(adapter) == 1) + break; + } while (--i); + + if (i) { + pci_free_consistent(adapter->ahw.pdev, NETXEN_HOST_DUMMY_DMA_SIZE, adapter->dummy_dma.addr, adapter->dummy_dma.phys_addr); - adapter->dummy_dma.addr = NULL; + adapter->dummy_dma.addr = NULL; + } else { + printk(KERN_ERR "%s: dma_watchdog_shutdown failed\n", + adapter->netdev->name); + } } } diff --git a/drivers/net/netxen/netxen_nic_isr.c b/drivers/net/netxen/netxen_nic_isr.c index f487615f406..96cec41f901 100644 --- a/drivers/net/netxen/netxen_nic_isr.c +++ b/drivers/net/netxen/netxen_nic_isr.c @@ -145,7 +145,7 @@ static void netxen_nic_isr_other(struct netxen_adapter *adapter) /* verify the offset */ val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE)); - val = val >> physical_port[adapter->portnum]; + val = val >> adapter->physical_port; if (val == adapter->ahw.qg_linksup) return; @@ -199,7 +199,7 @@ void netxen_nic_xgbe_handle_phy_intr(struct netxen_adapter *adapter) /* WINDOW = 1 */ val = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_XG_STATE)); - val >>= (physical_port[adapter->portnum] * 8); + val >>= (adapter->physical_port * 8); val &= 0xff; if (adapter->ahw.xg_linkup == 1 && val != XG_LINK_UP) { diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index 7144c255ce5..63cd67b931e 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -70,17 +70,19 @@ static void netxen_nic_poll_controller(struct net_device *netdev); static irqreturn_t netxen_intr(int irq, void *data); static irqreturn_t netxen_msi_intr(int irq, void *data); -int physical_port[] = {0, 1, 2, 3}; - /* PCI Device ID Table */ +#define ENTRY(device) \ + {PCI_DEVICE(0x4040, (device)), \ + .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0} + static struct pci_device_id netxen_pci_tbl[] __devinitdata = { - {PCI_DEVICE(0x4040, 0x0001)}, - {PCI_DEVICE(0x4040, 0x0002)}, - {PCI_DEVICE(0x4040, 0x0003)}, - {PCI_DEVICE(0x4040, 0x0004)}, - {PCI_DEVICE(0x4040, 0x0005)}, - {PCI_DEVICE(0x4040, 0x0024)}, - {PCI_DEVICE(0x4040, 0x0025)}, + ENTRY(0x0001), + ENTRY(0x0002), + ENTRY(0x0003), + ENTRY(0x0004), + ENTRY(0x0005), + ENTRY(0x0024), + ENTRY(0x0025), {0,} }; @@ -288,10 +290,11 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) int pci_func_id = PCI_FUNC(pdev->devfn); DECLARE_MAC_BUF(mac); - printk(KERN_INFO "%s \n", netxen_nic_driver_string); + if (pci_func_id == 0) + printk(KERN_INFO "%s \n", netxen_nic_driver_string); if (pdev->class != 0x020000) { - printk(KERN_ERR"NetXen function %d, class %x will not " + printk(KERN_DEBUG "NetXen function %d, class %x will not " "be enabled.\n",pci_func_id, pdev->class); return -ENODEV; } @@ -450,8 +453,12 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) */ adapter->curr_window = 255; - /* initialize the adapter */ - netxen_initialize_adapter_hw(adapter); + if (netxen_nic_get_board_info(adapter) != 0) { + printk("%s: Error getting board config info.\n", + netxen_nic_driver_name); + err = -EIO; + goto err_out_iounmap; + } /* * Adapter in our case is quad port so initialize it before @@ -530,17 +537,15 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) netxen_initialize_adapter_sw(adapter); /* initialize the buffers in adapter */ /* Mezz cards have PCI function 0,2,3 enabled */ - if ((adapter->ahw.boardcfg.board_type == NETXEN_BRDTYPE_P2_SB31_10G_IMEZ) - && (pci_func_id >= 2)) + switch (adapter->ahw.boardcfg.board_type) { + case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ: + case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ: + if (pci_func_id >= 2) adapter->portnum = pci_func_id - 2; - -#ifdef CONFIG_IA64 - if(adapter->portnum == 0) { - netxen_pinit_from_rom(adapter, 0); - udelay(500); - netxen_load_firmware(adapter); + break; + default: + break; } -#endif init_timer(&adapter->watchdog_timer); adapter->ahw.xg_linkup = 0; @@ -613,11 +618,18 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) err = -ENODEV; goto err_out_free_dev; } + } else { + writel(0, NETXEN_CRB_NORMALIZE(adapter, + CRB_CMDPEG_STATE)); + netxen_pinit_from_rom(adapter, 0); + msleep(1); + netxen_load_firmware(adapter); + netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); } /* clear the register for future unloads/loads */ writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_CAM_RAM(0x1fc))); - printk(KERN_INFO "State: 0x%0x\n", + dev_info(&pdev->dev, "cmdpeg state: 0x%0x\n", readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE))); /* @@ -639,9 +651,10 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) /* * See if the firmware gave us a virtual-physical port mapping. */ + adapter->physical_port = adapter->portnum; i = readl(NETXEN_CRB_NORMALIZE(adapter, CRB_V2P(adapter->portnum))); if (i != 0x55555555) - physical_port[adapter->portnum] = i; + adapter->physical_port = i; netif_carrier_off(netdev); netif_stop_queue(netdev); @@ -654,22 +667,9 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_out_free_dev; } + netxen_nic_flash_print(adapter); pci_set_drvdata(pdev, adapter); - switch (adapter->ahw.board_type) { - case NETXEN_NIC_GBE: - printk(KERN_INFO "%s: QUAD GbE board initialized\n", - netxen_nic_driver_name); - break; - - case NETXEN_NIC_XGBE: - printk(KERN_INFO "%s: XGbE board initialized\n", - netxen_nic_driver_name); - break; - } - - adapter->driver_mismatch = 0; - return 0; err_out_free_dev: @@ -760,55 +760,8 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev) vfree(adapter->cmd_buf_arr); - if (adapter->portnum == 0) { - if (init_firmware_done) { - i = 100; - do { - if (dma_watchdog_shutdown_request(adapter) == 1) - break; - msleep(100); - if (dma_watchdog_shutdown_poll_result(adapter) == 1) - break; - } while (--i); - - if (i == 0) - printk(KERN_ERR "%s: dma_watchdog_shutdown failed\n", - netdev->name); - - /* clear the register for future unloads/loads */ - writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_CAM_RAM(0x1fc))); - printk(KERN_INFO "State: 0x%0x\n", - readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE))); - - /* leave the hw in the same state as reboot */ - writel(0, NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE)); - netxen_pinit_from_rom(adapter, 0); - msleep(1); - netxen_load_firmware(adapter); - netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE); - } - - /* clear the register for future unloads/loads */ - writel(0, NETXEN_CRB_NORMALIZE(adapter, NETXEN_CAM_RAM(0x1fc))); - printk(KERN_INFO "State: 0x%0x\n", - readl(NETXEN_CRB_NORMALIZE(adapter, CRB_CMDPEG_STATE))); - - i = 100; - do { - if (dma_watchdog_shutdown_request(adapter) == 1) - break; - msleep(100); - if (dma_watchdog_shutdown_poll_result(adapter) == 1) - break; - } while (--i); - - if (i) { - netxen_free_adapter_offload(adapter); - } else { - printk(KERN_ERR "%s: dma_watchdog_shutdown failed\n", - netdev->name); - } - } + if (adapter->portnum == 0) + netxen_free_adapter_offload(adapter); if (adapter->irq) free_irq(adapter->irq, adapter); @@ -840,13 +793,15 @@ static int netxen_nic_open(struct net_device *netdev) irq_handler_t handler; unsigned long flags = IRQF_SAMPLE_RANDOM; + if (adapter->driver_mismatch) + return -EIO; + if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC) { err = netxen_init_firmware(adapter); if (err != 0) { printk(KERN_ERR "Failed to init firmware\n"); return -EIO; } - netxen_nic_flash_print(adapter); /* setup all the resources for the Phantom... */ /* this include the descriptors for rcv, tx, and status */ @@ -895,14 +850,12 @@ static int netxen_nic_open(struct net_device *netdev) if (adapter->set_mtu) adapter->set_mtu(adapter, netdev->mtu); - if (!adapter->driver_mismatch) - mod_timer(&adapter->watchdog_timer, jiffies); + mod_timer(&adapter->watchdog_timer, jiffies); napi_enable(&adapter->napi); netxen_nic_enable_int(adapter); - if (!adapter->driver_mismatch) - netif_start_queue(netdev); + netif_start_queue(netdev); return 0; } diff --git a/drivers/net/netxen/netxen_nic_niu.c b/drivers/net/netxen/netxen_nic_niu.c index 1c852a76c80..a3bc7cc67a6 100644 --- a/drivers/net/netxen/netxen_nic_niu.c +++ b/drivers/net/netxen/netxen_nic_niu.c @@ -94,7 +94,7 @@ int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long reg, long timeout = 0; long result = 0; long restore = 0; - long phy = physical_port[adapter->portnum]; + long phy = adapter->physical_port; __u32 address; __u32 command; __u32 status; @@ -190,7 +190,7 @@ int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, long reg, long timeout = 0; long result = 0; long restore = 0; - long phy = physical_port[adapter->portnum]; + long phy = adapter->physical_port; __u32 address; __u32 command; __u32 status; @@ -456,7 +456,7 @@ int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port) int netxen_niu_xg_init_port(struct netxen_adapter *adapter, int port) { - u32 portnum = physical_port[adapter->portnum]; + u32 portnum = adapter->physical_port; netxen_crb_writelit_adapter(adapter, NETXEN_NIU_XGE_CONFIG_1+(0x10000*portnum), 0x1447); @@ -573,7 +573,7 @@ static int netxen_niu_macaddr_get(struct netxen_adapter *adapter, { u32 stationhigh; u32 stationlow; - int phy = physical_port[adapter->portnum]; + int phy = adapter->physical_port; u8 val[8]; if (addr == NULL) @@ -604,7 +604,7 @@ int netxen_niu_macaddr_set(struct netxen_adapter *adapter, { u8 temp[4]; u32 val; - int phy = physical_port[adapter->portnum]; + int phy = adapter->physical_port; unsigned char mac_addr[6]; int i; DECLARE_MAC_BUF(mac); @@ -724,7 +724,7 @@ int netxen_niu_enable_gbe_port(struct netxen_adapter *adapter, int netxen_niu_disable_gbe_port(struct netxen_adapter *adapter) { __u32 mac_cfg0; - u32 port = physical_port[adapter->portnum]; + u32 port = adapter->physical_port; if (port > NETXEN_NIU_MAX_GBE_PORTS) return -EINVAL; @@ -740,7 +740,7 @@ int netxen_niu_disable_gbe_port(struct netxen_adapter *adapter) int netxen_niu_disable_xg_port(struct netxen_adapter *adapter) { __u32 mac_cfg; - u32 port = physical_port[adapter->portnum]; + u32 port = adapter->physical_port; if (port > NETXEN_NIU_MAX_XG_PORTS) return -EINVAL; @@ -757,7 +757,7 @@ int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter, netxen_niu_prom_mode_t mode) { __u32 reg; - u32 port = physical_port[adapter->portnum]; + u32 port = adapter->physical_port; if (port > NETXEN_NIU_MAX_GBE_PORTS) return -EINVAL; @@ -814,7 +814,7 @@ int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter, int netxen_niu_xg_macaddr_set(struct netxen_adapter *adapter, netxen_ethernet_macaddr_t addr) { - int phy = physical_port[adapter->portnum]; + int phy = adapter->physical_port; u8 temp[4]; u32 val; @@ -867,7 +867,7 @@ int netxen_niu_xg_macaddr_set(struct netxen_adapter *adapter, int netxen_niu_xg_macaddr_get(struct netxen_adapter *adapter, netxen_ethernet_macaddr_t * addr) { - int phy = physical_port[adapter->portnum]; + int phy = adapter->physical_port; u32 stationhigh; u32 stationlow; u8 val[8]; @@ -896,7 +896,7 @@ int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter, netxen_niu_prom_mode_t mode) { __u32 reg; - u32 port = physical_port[adapter->portnum]; + u32 port = adapter->physical_port; if (port > NETXEN_NIU_MAX_XG_PORTS) return -EINVAL; diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c index ce95c5d168f..70d012e90dc 100644 --- a/drivers/net/pcmcia/axnet_cs.c +++ b/drivers/net/pcmcia/axnet_cs.c @@ -525,12 +525,14 @@ static int axnet_open(struct net_device *dev) int ret; axnet_dev_t *info = PRIV(dev); struct pcmcia_device *link = info->p_dev; + unsigned int nic_base = dev->base_addr; DEBUG(2, "axnet_open('%s')\n", dev->name); if (!pcmcia_dev_present(link)) return -ENODEV; + outb_p(0xFF, nic_base + EN0_ISR); /* Clear bogus intr. */ ret = request_irq(dev->irq, ei_irq_wrapper, IRQF_SHARED, "axnet_cs", dev); if (ret) return ret; diff --git a/drivers/net/pcmcia/fmvj18x_cs.c b/drivers/net/pcmcia/fmvj18x_cs.c index 8f328a03847..a550c9bd126 100644 --- a/drivers/net/pcmcia/fmvj18x_cs.c +++ b/drivers/net/pcmcia/fmvj18x_cs.c @@ -391,7 +391,9 @@ static int fmvj18x_config(struct pcmcia_device *link) cardtype = CONTEC; break; case MANFID_FUJITSU: - if (link->card_id == PRODID_FUJITSU_MBH10302) + if (link->conf.ConfigBase == 0x0fe0) + cardtype = MBH10302; + else if (link->card_id == PRODID_FUJITSU_MBH10302) /* RATOC REX-5588/9822/4886's PRODID are 0004(=MBH10302), but these are MBH10304 based card. */ cardtype = MBH10304; diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c index fd8158a86f6..2d4c4ad89b8 100644 --- a/drivers/net/pcmcia/pcnet_cs.c +++ b/drivers/net/pcmcia/pcnet_cs.c @@ -969,6 +969,7 @@ static int pcnet_open(struct net_device *dev) int ret; pcnet_dev_t *info = PRIV(dev); struct pcmcia_device *link = info->p_dev; + unsigned int nic_base = dev->base_addr; DEBUG(2, "pcnet_open('%s')\n", dev->name); @@ -976,6 +977,8 @@ static int pcnet_open(struct net_device *dev) return -ENODEV; set_misc_reg(dev); + + outb_p(0xFF, nic_base + EN0_ISR); /* Clear bogus intr. */ ret = request_irq(dev->irq, ei_irq_wrapper, IRQF_SHARED, dev_info, dev); if (ret) return ret; diff --git a/drivers/net/pcmcia/xirc2ps_cs.c b/drivers/net/pcmcia/xirc2ps_cs.c index d041f831a18..f6c4698ce73 100644 --- a/drivers/net/pcmcia/xirc2ps_cs.c +++ b/drivers/net/pcmcia/xirc2ps_cs.c @@ -1461,22 +1461,25 @@ static void set_multicast_list(struct net_device *dev) { unsigned int ioaddr = dev->base_addr; + unsigned value; SelectPage(0x42); + value = GetByte(XIRCREG42_SWC1) & 0xC0; + if (dev->flags & IFF_PROMISC) { /* snoop */ - PutByte(XIRCREG42_SWC1, 0x06); /* set MPE and PME */ + PutByte(XIRCREG42_SWC1, value | 0x06); /* set MPE and PME */ } else if (dev->mc_count > 9 || (dev->flags & IFF_ALLMULTI)) { - PutByte(XIRCREG42_SWC1, 0x02); /* set MPE */ + PutByte(XIRCREG42_SWC1, value | 0x02); /* set MPE */ } else if (dev->mc_count) { /* the chip can filter 9 addresses perfectly */ - PutByte(XIRCREG42_SWC1, 0x01); + PutByte(XIRCREG42_SWC1, value | 0x01); SelectPage(0x40); PutByte(XIRCREG40_CMD0, Offline); set_addresses(dev); SelectPage(0x40); PutByte(XIRCREG40_CMD0, EnableRecv | Online); } else { /* standard usage */ - PutByte(XIRCREG42_SWC1, 0x00); + PutByte(XIRCREG42_SWC1, value | 0x00); } SelectPage(0); } @@ -1722,6 +1725,7 @@ do_reset(struct net_device *dev, int full) /* enable receiver and put the mac online */ if (full) { + set_multicast_list(dev); SelectPage(0x40); PutByte(XIRCREG40_CMD0, EnableRecv | Online); } diff --git a/drivers/net/pcnet32.c b/drivers/net/pcnet32.c index a1c454dbc16..1c89b97f4e0 100644 --- a/drivers/net/pcnet32.c +++ b/drivers/net/pcnet32.c @@ -325,7 +325,7 @@ static int pcnet32_get_regs_len(struct net_device *dev); static void pcnet32_get_regs(struct net_device *dev, struct ethtool_regs *regs, void *ptr); static void pcnet32_purge_tx_ring(struct net_device *dev); -static int pcnet32_alloc_ring(struct net_device *dev, char *name); +static int pcnet32_alloc_ring(struct net_device *dev, const char *name); static void pcnet32_free_ring(struct net_device *dev); static void pcnet32_check_media(struct net_device *dev, int verbose); @@ -1983,7 +1983,7 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev) } /* if any allocation fails, caller must also call pcnet32_free_ring */ -static int pcnet32_alloc_ring(struct net_device *dev, char *name) +static int pcnet32_alloc_ring(struct net_device *dev, const char *name) { struct pcnet32_private *lp = netdev_priv(dev); diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 6bf9e76b0a0..6eb2d31d1e3 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -5,7 +5,7 @@ menuconfig PHYLIB tristate "PHY Device support and infrastructure" depends on !S390 - depends on NET_ETHERNET && (BROKEN || !S390) + depends on NET_ETHERNET help Ethernet controllers are usually attached to PHY devices. This option provides infrastructure for diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index ac3c01d28fd..16a0e7de588 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -207,6 +207,7 @@ int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id) return 0; } +EXPORT_SYMBOL(get_phy_id); /** * get_phy_device - reads the specified PHY device and returns its @phy_device struct diff --git a/drivers/net/pppoe.c b/drivers/net/pppoe.c index 58a26a47af2..fc6f4b8c64b 100644 --- a/drivers/net/pppoe.c +++ b/drivers/net/pppoe.c @@ -341,12 +341,6 @@ static int pppoe_rcv_core(struct sock *sk, struct sk_buff *skb) struct pppox_sock *relay_po; if (sk->sk_state & PPPOX_BOUND) { - struct pppoe_hdr *ph = pppoe_hdr(skb); - int len = ntohs(ph->length); - skb_pull_rcsum(skb, sizeof(struct pppoe_hdr)); - if (pskb_trim_rcsum(skb, len)) - goto abort_kfree; - ppp_input(&po->chan, skb); } else if (sk->sk_state & PPPOX_RELAY) { relay_po = get_item_by_addr(&po->pppoe_relay); @@ -357,7 +351,6 @@ static int pppoe_rcv_core(struct sock *sk, struct sk_buff *skb) if ((sk_pppox(relay_po)->sk_state & PPPOX_CONNECTED) == 0) goto abort_put; - skb_pull(skb, sizeof(struct pppoe_hdr)); if (!__pppoe_xmit(sk_pppox(relay_po), skb)) goto abort_put; } else { @@ -388,6 +381,7 @@ static int pppoe_rcv(struct sk_buff *skb, { struct pppoe_hdr *ph; struct pppox_sock *po; + int len; if (!(skb = skb_share_check(skb, GFP_ATOMIC))) goto out; @@ -399,10 +393,21 @@ static int pppoe_rcv(struct sk_buff *skb, goto drop; ph = pppoe_hdr(skb); + len = ntohs(ph->length); + + skb_pull_rcsum(skb, sizeof(*ph)); + if (skb->len < len) + goto drop; po = get_item(ph->sid, eth_hdr(skb)->h_source, dev->ifindex); - if (po != NULL) - return sk_receive_skb(sk_pppox(po), skb, 0); + if (!po) + goto drop; + + if (pskb_trim_rcsum(skb, len)) + goto drop; + + return sk_receive_skb(sk_pppox(po), skb, 0); + drop: kfree_skb(skb); out: @@ -427,12 +432,12 @@ static int pppoe_disc_rcv(struct sk_buff *skb, if (dev_net(dev) != &init_net) goto abort; - if (!pskb_may_pull(skb, sizeof(struct pppoe_hdr))) - goto abort; - if (!(skb = skb_share_check(skb, GFP_ATOMIC))) goto out; + if (!pskb_may_pull(skb, sizeof(struct pppoe_hdr))) + goto abort; + ph = pppoe_hdr(skb); if (ph->code != PADT_CODE) goto abort; @@ -937,12 +942,10 @@ static int pppoe_recvmsg(struct kiocb *iocb, struct socket *sock, m->msg_namelen = 0; if (skb) { - struct pppoe_hdr *ph = pppoe_hdr(skb); - const int len = ntohs(ph->length); - - error = memcpy_toiovec(m->msg_iov, (unsigned char *) &ph->tag[0], len); + total_len = min_t(size_t, total_len, skb->len); + error = skb_copy_datagram_iovec(skb, 0, m->msg_iov, total_len); if (error == 0) - error = len; + error = total_len; } kfree_skb(skb); diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c index 8db342f2fdc..f9298827a76 100644 --- a/drivers/net/pppol2tp.c +++ b/drivers/net/pppol2tp.c @@ -240,12 +240,15 @@ static inline struct pppol2tp_session *pppol2tp_sock_to_session(struct sock *sk) if (sk == NULL) return NULL; + sock_hold(sk); session = (struct pppol2tp_session *)(sk->sk_user_data); - if (session == NULL) - return NULL; + if (session == NULL) { + sock_put(sk); + goto out; + } BUG_ON(session->magic != L2TP_SESSION_MAGIC); - +out: return session; } @@ -256,12 +259,15 @@ static inline struct pppol2tp_tunnel *pppol2tp_sock_to_tunnel(struct sock *sk) if (sk == NULL) return NULL; + sock_hold(sk); tunnel = (struct pppol2tp_tunnel *)(sk->sk_user_data); - if (tunnel == NULL) - return NULL; + if (tunnel == NULL) { + sock_put(sk); + goto out; + } BUG_ON(tunnel->magic != L2TP_TUNNEL_MAGIC); - +out: return tunnel; } @@ -716,12 +722,14 @@ discard: session->stats.rx_errors++; kfree_skb(skb); sock_put(session->sock); + sock_put(sock); return 0; error: /* Put UDP header back */ __skb_push(skb, sizeof(struct udphdr)); + sock_put(sock); no_tunnel: return 1; @@ -745,10 +753,13 @@ static int pppol2tp_udp_encap_recv(struct sock *sk, struct sk_buff *skb) "%s: received %d bytes\n", tunnel->name, skb->len); if (pppol2tp_recv_core(sk, skb)) - goto pass_up; + goto pass_up_put; + sock_put(sk); return 0; +pass_up_put: + sock_put(sk); pass_up: return 1; } @@ -772,14 +783,18 @@ static int pppol2tp_recvmsg(struct kiocb *iocb, struct socket *sock, err = 0; skb = skb_recv_datagram(sk, flags & ~MSG_DONTWAIT, flags & MSG_DONTWAIT, &err); - if (skb) { - err = memcpy_toiovec(msg->msg_iov, (unsigned char *) skb->data, - skb->len); - if (err < 0) - goto do_skb_free; - err = skb->len; - } -do_skb_free: + if (!skb) + goto end; + + if (len > skb->len) + len = skb->len; + else if (len < skb->len) + msg->msg_flags |= MSG_TRUNC; + + err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, len); + if (likely(err == 0)) + err = len; + kfree_skb(skb); end: return err; @@ -858,7 +873,7 @@ static int pppol2tp_sendmsg(struct kiocb *iocb, struct socket *sock, struct msgh tunnel = pppol2tp_sock_to_tunnel(session->tunnel_sock); if (tunnel == NULL) - goto error; + goto error_put_sess; /* What header length is configured for this session? */ hdr_len = pppol2tp_l2tp_header_len(session); @@ -870,7 +885,7 @@ static int pppol2tp_sendmsg(struct kiocb *iocb, struct socket *sock, struct msgh sizeof(ppph) + total_len, 0, GFP_KERNEL); if (!skb) - goto error; + goto error_put_sess_tun; /* Reserve space for headers. */ skb_reserve(skb, NET_SKB_PAD); @@ -900,7 +915,7 @@ static int pppol2tp_sendmsg(struct kiocb *iocb, struct socket *sock, struct msgh error = memcpy_fromiovec(skb->data, m->msg_iov, total_len); if (error < 0) { kfree_skb(skb); - goto error; + goto error_put_sess_tun; } skb_put(skb, total_len); @@ -947,10 +962,33 @@ static int pppol2tp_sendmsg(struct kiocb *iocb, struct socket *sock, struct msgh session->stats.tx_errors++; } + return error; + +error_put_sess_tun: + sock_put(session->tunnel_sock); +error_put_sess: + sock_put(sk); error: return error; } +/* Automatically called when the skb is freed. + */ +static void pppol2tp_sock_wfree(struct sk_buff *skb) +{ + sock_put(skb->sk); +} + +/* For data skbs that we transmit, we associate with the tunnel socket + * but don't do accounting. + */ +static inline void pppol2tp_skb_set_owner_w(struct sk_buff *skb, struct sock *sk) +{ + sock_hold(sk); + skb->sk = sk; + skb->destructor = pppol2tp_sock_wfree; +} + /* Transmit function called by generic PPP driver. Sends PPP frame * over PPPoL2TP socket. * @@ -993,10 +1031,10 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb) sk_tun = session->tunnel_sock; if (sk_tun == NULL) - goto abort; + goto abort_put_sess; tunnel = pppol2tp_sock_to_tunnel(sk_tun); if (tunnel == NULL) - goto abort; + goto abort_put_sess; /* What header length is configured for this session? */ hdr_len = pppol2tp_l2tp_header_len(session); @@ -1009,7 +1047,7 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb) sizeof(struct udphdr) + hdr_len + sizeof(ppph); old_headroom = skb_headroom(skb); if (skb_cow_head(skb, headroom)) - goto abort; + goto abort_put_sess_tun; new_headroom = skb_headroom(skb); skb_orphan(skb); @@ -1069,7 +1107,7 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb) /* Get routing info from the tunnel socket */ dst_release(skb->dst); skb->dst = dst_clone(__sk_dst_get(sk_tun)); - skb->sk = sk_tun; + pppol2tp_skb_set_owner_w(skb, sk_tun); /* Queue the packet to IP for output */ len = skb->len; @@ -1086,8 +1124,14 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb) session->stats.tx_errors++; } + sock_put(sk_tun); + sock_put(sk); return 1; +abort_put_sess_tun: + sock_put(sk_tun); +abort_put_sess: + sock_put(sk); abort: /* Free the original skb */ kfree_skb(skb); @@ -1191,7 +1235,7 @@ static void pppol2tp_tunnel_destruct(struct sock *sk) { struct pppol2tp_tunnel *tunnel; - tunnel = pppol2tp_sock_to_tunnel(sk); + tunnel = sk->sk_user_data; if (tunnel == NULL) goto end; @@ -1230,10 +1274,12 @@ static void pppol2tp_session_destruct(struct sock *sk) if (sk->sk_user_data != NULL) { struct pppol2tp_tunnel *tunnel; - session = pppol2tp_sock_to_session(sk); + session = sk->sk_user_data; if (session == NULL) goto out; + BUG_ON(session->magic != L2TP_SESSION_MAGIC); + /* Don't use pppol2tp_sock_to_tunnel() here to * get the tunnel context because the tunnel * socket might have already been closed (its @@ -1279,6 +1325,7 @@ out: static int pppol2tp_release(struct socket *sock) { struct sock *sk = sock->sk; + struct pppol2tp_session *session; int error; if (!sk) @@ -1296,9 +1343,18 @@ static int pppol2tp_release(struct socket *sock) sock_orphan(sk); sock->sk = NULL; + session = pppol2tp_sock_to_session(sk); + /* Purge any queued data */ skb_queue_purge(&sk->sk_receive_queue); skb_queue_purge(&sk->sk_write_queue); + if (session != NULL) { + struct sk_buff *skb; + while ((skb = skb_dequeue(&session->reorder_q))) { + kfree_skb(skb); + sock_put(sk); + } + } release_sock(sk); @@ -1601,7 +1657,7 @@ static int pppol2tp_connect(struct socket *sock, struct sockaddr *uservaddr, error = ppp_register_channel(&po->chan); if (error) - goto end; + goto end_put_tun; /* This is how we get the session context from the socket. */ sk->sk_user_data = session; @@ -1621,6 +1677,8 @@ out_no_ppp: PRINTK(session->debug, PPPOL2TP_MSG_CONTROL, KERN_INFO, "%s: created\n", session->name); +end_put_tun: + sock_put(tunnel_sock); end: release_sock(sk); @@ -1668,6 +1726,7 @@ static int pppol2tp_getname(struct socket *sock, struct sockaddr *uaddr, *usockaddr_len = len; error = 0; + sock_put(sock->sk); end: return error; @@ -1906,14 +1965,17 @@ static int pppol2tp_ioctl(struct socket *sock, unsigned int cmd, err = -EBADF; tunnel = pppol2tp_sock_to_tunnel(session->tunnel_sock); if (tunnel == NULL) - goto end; + goto end_put_sess; err = pppol2tp_tunnel_ioctl(tunnel, cmd, arg); - goto end; + sock_put(session->tunnel_sock); + goto end_put_sess; } err = pppol2tp_session_ioctl(session, cmd, arg); +end_put_sess: + sock_put(sk); end: return err; } @@ -2059,14 +2121,17 @@ static int pppol2tp_setsockopt(struct socket *sock, int level, int optname, err = -EBADF; tunnel = pppol2tp_sock_to_tunnel(session->tunnel_sock); if (tunnel == NULL) - goto end; + goto end_put_sess; err = pppol2tp_tunnel_setsockopt(sk, tunnel, optname, val); + sock_put(session->tunnel_sock); } else err = pppol2tp_session_setsockopt(sk, session, optname, val); err = 0; +end_put_sess: + sock_put(sk); end: return err; } @@ -2181,20 +2246,24 @@ static int pppol2tp_getsockopt(struct socket *sock, int level, err = -EBADF; tunnel = pppol2tp_sock_to_tunnel(session->tunnel_sock); if (tunnel == NULL) - goto end; + goto end_put_sess; err = pppol2tp_tunnel_getsockopt(sk, tunnel, optname, &val); + sock_put(session->tunnel_sock); } else err = pppol2tp_session_getsockopt(sk, session, optname, &val); err = -EFAULT; if (put_user(len, (int __user *) optlen)) - goto end; + goto end_put_sess; if (copy_to_user((void __user *) optval, &val, len)) - goto end; + goto end_put_sess; err = 0; + +end_put_sess: + sock_put(sk); end: return err; } diff --git a/drivers/net/qla3xxx.c b/drivers/net/qla3xxx.c index b7f7b2227d5..bccee68bd48 100644 --- a/drivers/net/qla3xxx.c +++ b/drivers/net/qla3xxx.c @@ -3701,7 +3701,9 @@ static int ql_cycle_adapter(struct ql3_adapter *qdev, int reset) printk(KERN_ERR PFX "%s: Driver up/down cycle failed, " "closing device\n",qdev->ndev->name); + rtnl_lock(); dev_close(qdev->ndev); + rtnl_unlock(); return -1; } return 0; diff --git a/drivers/net/r6040.c b/drivers/net/r6040.c index 169edc15492..504a48ff73c 100644 --- a/drivers/net/r6040.c +++ b/drivers/net/r6040.c @@ -273,7 +273,7 @@ static void r6040_init_ring_desc(struct r6040_descriptor *desc_ring, dma_addr_t mapping = desc_dma; while (size-- > 0) { - mapping += sizeof(sizeof(*desc)); + mapping += sizeof(*desc); desc->ndesc = cpu_to_le32(mapping); desc->vndescp = desc + 1; desc++; @@ -733,7 +733,7 @@ static void r6040_timer(unsigned long data) } /* Timer active again */ - mod_timer(&lp->timer, jiffies + round_jiffies(HZ)); + mod_timer(&lp->timer, round_jiffies(jiffies + HZ)); } /* Read/set MAC address routines */ diff --git a/drivers/net/s2io-regs.h b/drivers/net/s2io-regs.h index 2109508c047..f8274f8941e 100644 --- a/drivers/net/s2io-regs.h +++ b/drivers/net/s2io-regs.h @@ -250,7 +250,7 @@ struct XENA_dev_config { u64 tx_mat0_n[0x8]; #define TX_MAT_SET(fifo, msi) vBIT(msi, (8 * fifo), 8) - u8 unused_1[0x8]; + u64 xmsi_mask_reg; u64 stat_byte_cnt; #define STAT_BC(n) vBIT(n,4,12) diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index 523478ebfd6..ae7b697456b 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -86,7 +86,7 @@ #include "s2io.h" #include "s2io-regs.h" -#define DRV_VERSION "2.0.26.23" +#define DRV_VERSION "2.0.26.24" /* S2io Driver name & version. */ static char s2io_driver_name[] = "Neterion"; @@ -1113,9 +1113,10 @@ static int s2io_on_nec_bridge(struct pci_dev *s2io_pdev) struct pci_dev *tdev = NULL; while ((tdev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, tdev)) != NULL) { if (tdev->vendor == NEC_VENID && tdev->device == NEC_DEVID) { - if (tdev->bus == s2io_pdev->bus->parent) + if (tdev->bus == s2io_pdev->bus->parent) { pci_dev_put(tdev); return 1; + } } } return 0; @@ -1219,15 +1220,33 @@ static int init_tti(struct s2io_nic *nic, int link) TTI_DATA1_MEM_TX_URNG_B(0x10) | TTI_DATA1_MEM_TX_URNG_C(0x30) | TTI_DATA1_MEM_TX_TIMER_AC_EN; - - if (use_continuous_tx_intrs && (link == LINK_UP)) - val64 |= TTI_DATA1_MEM_TX_TIMER_CI_EN; + if (i == 0) + if (use_continuous_tx_intrs && (link == LINK_UP)) + val64 |= TTI_DATA1_MEM_TX_TIMER_CI_EN; writeq(val64, &bar0->tti_data1_mem); - val64 = TTI_DATA2_MEM_TX_UFC_A(0x10) | - TTI_DATA2_MEM_TX_UFC_B(0x20) | - TTI_DATA2_MEM_TX_UFC_C(0x40) | - TTI_DATA2_MEM_TX_UFC_D(0x80); + if (nic->config.intr_type == MSI_X) { + val64 = TTI_DATA2_MEM_TX_UFC_A(0x10) | + TTI_DATA2_MEM_TX_UFC_B(0x100) | + TTI_DATA2_MEM_TX_UFC_C(0x200) | + TTI_DATA2_MEM_TX_UFC_D(0x300); + } else { + if ((nic->config.tx_steering_type == + TX_DEFAULT_STEERING) && + (config->tx_fifo_num > 1) && + (i >= nic->udp_fifo_idx) && + (i < (nic->udp_fifo_idx + + nic->total_udp_fifos))) + val64 = TTI_DATA2_MEM_TX_UFC_A(0x50) | + TTI_DATA2_MEM_TX_UFC_B(0x80) | + TTI_DATA2_MEM_TX_UFC_C(0x100) | + TTI_DATA2_MEM_TX_UFC_D(0x120); + else + val64 = TTI_DATA2_MEM_TX_UFC_A(0x10) | + TTI_DATA2_MEM_TX_UFC_B(0x20) | + TTI_DATA2_MEM_TX_UFC_C(0x40) | + TTI_DATA2_MEM_TX_UFC_D(0x80); + } writeq(val64, &bar0->tti_data2_mem); @@ -2606,9 +2625,7 @@ static int fill_rx_buffers(struct ring_info *ring) rxdp1->Buffer0_ptr = pci_map_single (ring->pdev, skb->data, size - NET_IP_ALIGN, PCI_DMA_FROMDEVICE); - if( (rxdp1->Buffer0_ptr == 0) || - (rxdp1->Buffer0_ptr == - DMA_ERROR_CODE)) + if(pci_dma_mapping_error(rxdp1->Buffer0_ptr)) goto pci_map_failed; rxdp->Control_2 = @@ -2638,6 +2655,7 @@ static int fill_rx_buffers(struct ring_info *ring) skb->data = (void *) (unsigned long)tmp; skb_reset_tail_pointer(skb); + /* AK: check is wrong. 0 can be valid dma address */ if (!(rxdp3->Buffer0_ptr)) rxdp3->Buffer0_ptr = pci_map_single(ring->pdev, ba->ba_0, @@ -2646,8 +2664,7 @@ static int fill_rx_buffers(struct ring_info *ring) pci_dma_sync_single_for_device(ring->pdev, (dma_addr_t) rxdp3->Buffer0_ptr, BUF0_LEN, PCI_DMA_FROMDEVICE); - if( (rxdp3->Buffer0_ptr == 0) || - (rxdp3->Buffer0_ptr == DMA_ERROR_CODE)) + if (pci_dma_mapping_error(rxdp3->Buffer0_ptr)) goto pci_map_failed; rxdp->Control_2 = SET_BUFFER0_SIZE_3(BUF0_LEN); @@ -2662,18 +2679,17 @@ static int fill_rx_buffers(struct ring_info *ring) (ring->pdev, skb->data, ring->mtu + 4, PCI_DMA_FROMDEVICE); - if( (rxdp3->Buffer2_ptr == 0) || - (rxdp3->Buffer2_ptr == DMA_ERROR_CODE)) + if (pci_dma_mapping_error(rxdp3->Buffer2_ptr)) goto pci_map_failed; + /* AK: check is wrong */ if (!rxdp3->Buffer1_ptr) rxdp3->Buffer1_ptr = pci_map_single(ring->pdev, ba->ba_1, BUF1_LEN, PCI_DMA_FROMDEVICE); - if( (rxdp3->Buffer1_ptr == 0) || - (rxdp3->Buffer1_ptr == DMA_ERROR_CODE)) { + if (pci_dma_mapping_error(rxdp3->Buffer1_ptr)) { pci_unmap_single (ring->pdev, (dma_addr_t)(unsigned long) @@ -2813,6 +2829,15 @@ static void free_rx_buffers(struct s2io_nic *sp) } } +static int s2io_chk_rx_buffers(struct ring_info *ring) +{ + if (fill_rx_buffers(ring) == -ENOMEM) { + DBG_PRINT(INFO_DBG, "%s:Out of memory", ring->dev->name); + DBG_PRINT(INFO_DBG, " in Rx Intr!!\n"); + } + return 0; +} + /** * s2io_poll - Rx interrupt handler for NAPI support * @napi : pointer to the napi structure. @@ -2826,57 +2851,73 @@ static void free_rx_buffers(struct s2io_nic *sp) * 0 on success and 1 if there are No Rx packets to be processed. */ -static int s2io_poll(struct napi_struct *napi, int budget) +static int s2io_poll_msix(struct napi_struct *napi, int budget) { - struct s2io_nic *nic = container_of(napi, struct s2io_nic, napi); - struct net_device *dev = nic->dev; - int pkt_cnt = 0, org_pkts_to_process; - struct mac_info *mac_control; + struct ring_info *ring = container_of(napi, struct ring_info, napi); + struct net_device *dev = ring->dev; struct config_param *config; + struct mac_info *mac_control; + int pkts_processed = 0; + u8 __iomem *addr = NULL; + u8 val8 = 0; + struct s2io_nic *nic = dev->priv; struct XENA_dev_config __iomem *bar0 = nic->bar0; - int i; + int budget_org = budget; - mac_control = &nic->mac_control; config = &nic->config; + mac_control = &nic->mac_control; - nic->pkts_to_process = budget; - org_pkts_to_process = nic->pkts_to_process; + if (unlikely(!is_s2io_card_up(nic))) + return 0; - writeq(S2IO_MINUS_ONE, &bar0->rx_traffic_int); - readl(&bar0->rx_traffic_int); + pkts_processed = rx_intr_handler(ring, budget); + s2io_chk_rx_buffers(ring); - for (i = 0; i < config->rx_ring_num; i++) { - rx_intr_handler(&mac_control->rings[i]); - pkt_cnt = org_pkts_to_process - nic->pkts_to_process; - if (!nic->pkts_to_process) { - /* Quota for the current iteration has been met */ - goto no_rx; - } + if (pkts_processed < budget_org) { + netif_rx_complete(dev, napi); + /*Re Enable MSI-Rx Vector*/ + addr = (u8 __iomem *)&bar0->xmsi_mask_reg; + addr += 7 - ring->ring_no; + val8 = (ring->ring_no == 0) ? 0x3f : 0xbf; + writeb(val8, addr); + val8 = readb(addr); } + return pkts_processed; +} +static int s2io_poll_inta(struct napi_struct *napi, int budget) +{ + struct s2io_nic *nic = container_of(napi, struct s2io_nic, napi); + struct ring_info *ring; + struct net_device *dev = nic->dev; + struct config_param *config; + struct mac_info *mac_control; + int pkts_processed = 0; + int ring_pkts_processed, i; + struct XENA_dev_config __iomem *bar0 = nic->bar0; + int budget_org = budget; - netif_rx_complete(dev, napi); + config = &nic->config; + mac_control = &nic->mac_control; - for (i = 0; i < config->rx_ring_num; i++) { - if (fill_rx_buffers(&mac_control->rings[i]) == -ENOMEM) { - DBG_PRINT(INFO_DBG, "%s:Out of memory", dev->name); - DBG_PRINT(INFO_DBG, " in Rx Poll!!\n"); - break; - } - } - /* Re enable the Rx interrupts. */ - writeq(0x0, &bar0->rx_traffic_mask); - readl(&bar0->rx_traffic_mask); - return pkt_cnt; + if (unlikely(!is_s2io_card_up(nic))) + return 0; -no_rx: for (i = 0; i < config->rx_ring_num; i++) { - if (fill_rx_buffers(&mac_control->rings[i]) == -ENOMEM) { - DBG_PRINT(INFO_DBG, "%s:Out of memory", dev->name); - DBG_PRINT(INFO_DBG, " in Rx Poll!!\n"); + ring = &mac_control->rings[i]; + ring_pkts_processed = rx_intr_handler(ring, budget); + s2io_chk_rx_buffers(ring); + pkts_processed += ring_pkts_processed; + budget -= ring_pkts_processed; + if (budget <= 0) break; - } } - return pkt_cnt; + if (pkts_processed < budget_org) { + netif_rx_complete(dev, napi); + /* Re enable the Rx interrupts for the ring */ + writeq(0, &bar0->rx_traffic_mask); + readl(&bar0->rx_traffic_mask); + } + return pkts_processed; } #ifdef CONFIG_NET_POLL_CONTROLLER @@ -2918,7 +2959,7 @@ static void s2io_netpoll(struct net_device *dev) /* check for received packet and indicate up to network */ for (i = 0; i < config->rx_ring_num; i++) - rx_intr_handler(&mac_control->rings[i]); + rx_intr_handler(&mac_control->rings[i], 0); for (i = 0; i < config->rx_ring_num; i++) { if (fill_rx_buffers(&mac_control->rings[i]) == -ENOMEM) { @@ -2934,7 +2975,8 @@ static void s2io_netpoll(struct net_device *dev) /** * rx_intr_handler - Rx interrupt handler - * @nic: device private variable. + * @ring_info: per ring structure. + * @budget: budget for napi processing. * Description: * If the interrupt is because of a received frame or if the * receive ring contains fresh as yet un-processed frames,this function is @@ -2942,15 +2984,15 @@ static void s2io_netpoll(struct net_device *dev) * stopped and sends the skb to the OSM's Rx handler and then increments * the offset. * Return Value: - * NONE. + * No. of napi packets processed. */ -static void rx_intr_handler(struct ring_info *ring_data) +static int rx_intr_handler(struct ring_info *ring_data, int budget) { int get_block, put_block; struct rx_curr_get_info get_info, put_info; struct RxD_t *rxdp; struct sk_buff *skb; - int pkt_cnt = 0; + int pkt_cnt = 0, napi_pkts = 0; int i; struct RxD1* rxdp1; struct RxD3* rxdp3; @@ -2977,7 +3019,7 @@ static void rx_intr_handler(struct ring_info *ring_data) DBG_PRINT(ERR_DBG, "%s: The skb is ", ring_data->dev->name); DBG_PRINT(ERR_DBG, "Null in Rx Intr\n"); - return; + return 0; } if (ring_data->rxd_mode == RXD_MODE_1) { rxdp1 = (struct RxD1*)rxdp; @@ -3014,9 +3056,10 @@ static void rx_intr_handler(struct ring_info *ring_data) rxdp = ring_data->rx_blocks[get_block].block_virt_addr; } - if(ring_data->nic->config.napi){ - ring_data->nic->pkts_to_process -= 1; - if (!ring_data->nic->pkts_to_process) + if (ring_data->nic->config.napi) { + budget--; + napi_pkts++; + if (!budget) break; } pkt_cnt++; @@ -3034,6 +3077,7 @@ static void rx_intr_handler(struct ring_info *ring_data) } } } + return(napi_pkts); } /** @@ -3730,14 +3774,19 @@ static void restore_xmsi_data(struct s2io_nic *nic) { struct XENA_dev_config __iomem *bar0 = nic->bar0; u64 val64; - int i; + int i, msix_index; + + + if (nic->device_type == XFRAME_I_DEVICE) + return; for (i=0; i < MAX_REQUESTED_MSI_X; i++) { + msix_index = (i) ? ((i-1) * 8 + 1): 0; writeq(nic->msix_info[i].addr, &bar0->xmsi_address); writeq(nic->msix_info[i].data, &bar0->xmsi_data); - val64 = (s2BIT(7) | s2BIT(15) | vBIT(i, 26, 6)); + val64 = (s2BIT(7) | s2BIT(15) | vBIT(msix_index, 26, 6)); writeq(val64, &bar0->xmsi_access); - if (wait_for_msix_trans(nic, i)) { + if (wait_for_msix_trans(nic, msix_index)) { DBG_PRINT(ERR_DBG, "failed in %s\n", __FUNCTION__); continue; } @@ -3748,13 +3797,17 @@ static void store_xmsi_data(struct s2io_nic *nic) { struct XENA_dev_config __iomem *bar0 = nic->bar0; u64 val64, addr, data; - int i; + int i, msix_index; + + if (nic->device_type == XFRAME_I_DEVICE) + return; /* Store and display */ for (i=0; i < MAX_REQUESTED_MSI_X; i++) { - val64 = (s2BIT(15) | vBIT(i, 26, 6)); + msix_index = (i) ? ((i-1) * 8 + 1): 0; + val64 = (s2BIT(15) | vBIT(msix_index, 26, 6)); writeq(val64, &bar0->xmsi_access); - if (wait_for_msix_trans(nic, i)) { + if (wait_for_msix_trans(nic, msix_index)) { DBG_PRINT(ERR_DBG, "failed in %s\n", __FUNCTION__); continue; } @@ -3770,11 +3823,11 @@ static void store_xmsi_data(struct s2io_nic *nic) static int s2io_enable_msi_x(struct s2io_nic *nic) { struct XENA_dev_config __iomem *bar0 = nic->bar0; - u64 tx_mat, rx_mat; + u64 rx_mat; u16 msi_control; /* Temp variable */ int ret, i, j, msix_indx = 1; - nic->entries = kcalloc(MAX_REQUESTED_MSI_X, sizeof(struct msix_entry), + nic->entries = kmalloc(nic->num_entries * sizeof(struct msix_entry), GFP_KERNEL); if (!nic->entries) { DBG_PRINT(INFO_DBG, "%s: Memory allocation failed\n", \ @@ -3783,10 +3836,12 @@ static int s2io_enable_msi_x(struct s2io_nic *nic) return -ENOMEM; } nic->mac_control.stats_info->sw_stat.mem_allocated - += (MAX_REQUESTED_MSI_X * sizeof(struct msix_entry)); + += (nic->num_entries * sizeof(struct msix_entry)); + + memset(nic->entries, 0, nic->num_entries * sizeof(struct msix_entry)); nic->s2io_entries = - kcalloc(MAX_REQUESTED_MSI_X, sizeof(struct s2io_msix_entry), + kmalloc(nic->num_entries * sizeof(struct s2io_msix_entry), GFP_KERNEL); if (!nic->s2io_entries) { DBG_PRINT(INFO_DBG, "%s: Memory allocation failed\n", @@ -3794,60 +3849,52 @@ static int s2io_enable_msi_x(struct s2io_nic *nic) nic->mac_control.stats_info->sw_stat.mem_alloc_fail_cnt++; kfree(nic->entries); nic->mac_control.stats_info->sw_stat.mem_freed - += (MAX_REQUESTED_MSI_X * sizeof(struct msix_entry)); + += (nic->num_entries * sizeof(struct msix_entry)); return -ENOMEM; } nic->mac_control.stats_info->sw_stat.mem_allocated - += (MAX_REQUESTED_MSI_X * sizeof(struct s2io_msix_entry)); - - for (i=0; i< MAX_REQUESTED_MSI_X; i++) { - nic->entries[i].entry = i; - nic->s2io_entries[i].entry = i; + += (nic->num_entries * sizeof(struct s2io_msix_entry)); + memset(nic->s2io_entries, 0, + nic->num_entries * sizeof(struct s2io_msix_entry)); + + nic->entries[0].entry = 0; + nic->s2io_entries[0].entry = 0; + nic->s2io_entries[0].in_use = MSIX_FLG; + nic->s2io_entries[0].type = MSIX_ALARM_TYPE; + nic->s2io_entries[0].arg = &nic->mac_control.fifos; + + for (i = 1; i < nic->num_entries; i++) { + nic->entries[i].entry = ((i - 1) * 8) + 1; + nic->s2io_entries[i].entry = ((i - 1) * 8) + 1; nic->s2io_entries[i].arg = NULL; nic->s2io_entries[i].in_use = 0; } - tx_mat = readq(&bar0->tx_mat0_n[0]); - for (i=0; i<nic->config.tx_fifo_num; i++, msix_indx++) { - tx_mat |= TX_MAT_SET(i, msix_indx); - nic->s2io_entries[msix_indx].arg = &nic->mac_control.fifos[i]; - nic->s2io_entries[msix_indx].type = MSIX_FIFO_TYPE; - nic->s2io_entries[msix_indx].in_use = MSIX_FLG; - } - writeq(tx_mat, &bar0->tx_mat0_n[0]); - rx_mat = readq(&bar0->rx_mat); - for (j = 0; j < nic->config.rx_ring_num; j++, msix_indx++) { + for (j = 0; j < nic->config.rx_ring_num; j++) { rx_mat |= RX_MAT_SET(j, msix_indx); - nic->s2io_entries[msix_indx].arg - = &nic->mac_control.rings[j]; - nic->s2io_entries[msix_indx].type = MSIX_RING_TYPE; - nic->s2io_entries[msix_indx].in_use = MSIX_FLG; + nic->s2io_entries[j+1].arg = &nic->mac_control.rings[j]; + nic->s2io_entries[j+1].type = MSIX_RING_TYPE; + nic->s2io_entries[j+1].in_use = MSIX_FLG; + msix_indx += 8; } writeq(rx_mat, &bar0->rx_mat); + readq(&bar0->rx_mat); - nic->avail_msix_vectors = 0; - ret = pci_enable_msix(nic->pdev, nic->entries, MAX_REQUESTED_MSI_X); + ret = pci_enable_msix(nic->pdev, nic->entries, nic->num_entries); /* We fail init if error or we get less vectors than min required */ - if (ret >= (nic->config.tx_fifo_num + nic->config.rx_ring_num + 1)) { - nic->avail_msix_vectors = ret; - ret = pci_enable_msix(nic->pdev, nic->entries, ret); - } if (ret) { DBG_PRINT(ERR_DBG, "%s: Enabling MSIX failed\n", nic->dev->name); kfree(nic->entries); nic->mac_control.stats_info->sw_stat.mem_freed - += (MAX_REQUESTED_MSI_X * sizeof(struct msix_entry)); + += (nic->num_entries * sizeof(struct msix_entry)); kfree(nic->s2io_entries); nic->mac_control.stats_info->sw_stat.mem_freed - += (MAX_REQUESTED_MSI_X * sizeof(struct s2io_msix_entry)); + += (nic->num_entries * sizeof(struct s2io_msix_entry)); nic->entries = NULL; nic->s2io_entries = NULL; - nic->avail_msix_vectors = 0; return -ENOMEM; } - if (!nic->avail_msix_vectors) - nic->avail_msix_vectors = MAX_REQUESTED_MSI_X; /* * To enable MSI-X, MSI also needs to be enabled, due to a bug @@ -3919,7 +3966,7 @@ static void remove_msix_isr(struct s2io_nic *sp) int i; u16 msi_control; - for (i = 0; i < MAX_REQUESTED_MSI_X; i++) { + for (i = 0; i < sp->num_entries; i++) { if (sp->s2io_entries[i].in_use == MSIX_REGISTERED_SUCCESS) { int vector = sp->entries[i].vector; @@ -3975,29 +4022,6 @@ static int s2io_open(struct net_device *dev) netif_carrier_off(dev); sp->last_link_state = 0; - if (sp->config.intr_type == MSI_X) { - int ret = s2io_enable_msi_x(sp); - - if (!ret) { - ret = s2io_test_msi(sp); - /* rollback MSI-X, will re-enable during add_isr() */ - remove_msix_isr(sp); - } - if (ret) { - - DBG_PRINT(ERR_DBG, - "%s: MSI-X requested but failed to enable\n", - dev->name); - sp->config.intr_type = INTA; - } - } - - /* NAPI doesn't work well with MSI(X) */ - if (sp->config.intr_type != INTA) { - if(sp->config.napi) - sp->config.napi = 0; - } - /* Initialize H/W and enable interrupts */ err = s2io_card_up(sp); if (err) { @@ -4020,12 +4044,12 @@ hw_init_failed: if (sp->entries) { kfree(sp->entries); sp->mac_control.stats_info->sw_stat.mem_freed - += (MAX_REQUESTED_MSI_X * sizeof(struct msix_entry)); + += (sp->num_entries * sizeof(struct msix_entry)); } if (sp->s2io_entries) { kfree(sp->s2io_entries); sp->mac_control.stats_info->sw_stat.mem_freed - += (MAX_REQUESTED_MSI_X * sizeof(struct s2io_msix_entry)); + += (sp->num_entries * sizeof(struct s2io_msix_entry)); } } return err; @@ -4237,16 +4261,14 @@ static int s2io_xmit(struct sk_buff *skb, struct net_device *dev) txdp->Buffer_Pointer = pci_map_single(sp->pdev, fifo->ufo_in_band_v, sizeof(u64), PCI_DMA_TODEVICE); - if((txdp->Buffer_Pointer == 0) || - (txdp->Buffer_Pointer == DMA_ERROR_CODE)) + if (pci_dma_mapping_error(txdp->Buffer_Pointer)) goto pci_map_failed; txdp++; } txdp->Buffer_Pointer = pci_map_single (sp->pdev, skb->data, frg_len, PCI_DMA_TODEVICE); - if((txdp->Buffer_Pointer == 0) || - (txdp->Buffer_Pointer == DMA_ERROR_CODE)) + if (pci_dma_mapping_error(txdp->Buffer_Pointer)) goto pci_map_failed; txdp->Host_Control = (unsigned long) skb; @@ -4327,40 +4349,65 @@ s2io_alarm_handle(unsigned long data) mod_timer(&sp->alarm_timer, jiffies + HZ / 2); } -static int s2io_chk_rx_buffers(struct ring_info *ring) -{ - if (fill_rx_buffers(ring) == -ENOMEM) { - DBG_PRINT(INFO_DBG, "%s:Out of memory", ring->dev->name); - DBG_PRINT(INFO_DBG, " in Rx Intr!!\n"); - } - return 0; -} - static irqreturn_t s2io_msix_ring_handle(int irq, void *dev_id) { struct ring_info *ring = (struct ring_info *)dev_id; struct s2io_nic *sp = ring->nic; + struct XENA_dev_config __iomem *bar0 = sp->bar0; + struct net_device *dev = sp->dev; - if (!is_s2io_card_up(sp)) + if (unlikely(!is_s2io_card_up(sp))) return IRQ_HANDLED; - rx_intr_handler(ring); - s2io_chk_rx_buffers(ring); + if (sp->config.napi) { + u8 __iomem *addr = NULL; + u8 val8 = 0; + + addr = (u8 __iomem *)&bar0->xmsi_mask_reg; + addr += (7 - ring->ring_no); + val8 = (ring->ring_no == 0) ? 0x7f : 0xff; + writeb(val8, addr); + val8 = readb(addr); + netif_rx_schedule(dev, &ring->napi); + } else { + rx_intr_handler(ring, 0); + s2io_chk_rx_buffers(ring); + } return IRQ_HANDLED; } static irqreturn_t s2io_msix_fifo_handle(int irq, void *dev_id) { - struct fifo_info *fifo = (struct fifo_info *)dev_id; - struct s2io_nic *sp = fifo->nic; + int i; + struct fifo_info *fifos = (struct fifo_info *)dev_id; + struct s2io_nic *sp = fifos->nic; + struct XENA_dev_config __iomem *bar0 = sp->bar0; + struct config_param *config = &sp->config; + u64 reason; - if (!is_s2io_card_up(sp)) + if (unlikely(!is_s2io_card_up(sp))) + return IRQ_NONE; + + reason = readq(&bar0->general_int_status); + if (unlikely(reason == S2IO_MINUS_ONE)) + /* Nothing much can be done. Get out */ return IRQ_HANDLED; - tx_intr_handler(fifo); + writeq(S2IO_MINUS_ONE, &bar0->general_int_mask); + + if (reason & GEN_INTR_TXTRAFFIC) + writeq(S2IO_MINUS_ONE, &bar0->tx_traffic_int); + + for (i = 0; i < config->tx_fifo_num; i++) + tx_intr_handler(&fifos[i]); + + writeq(sp->general_int_mask, &bar0->general_int_mask); + readl(&bar0->general_int_status); + return IRQ_HANDLED; } + static void s2io_txpic_intr_handle(struct s2io_nic *sp) { struct XENA_dev_config __iomem *bar0 = sp->bar0; @@ -4762,14 +4809,10 @@ static irqreturn_t s2io_isr(int irq, void *dev_id) if (config->napi) { if (reason & GEN_INTR_RXTRAFFIC) { - if (likely(netif_rx_schedule_prep(dev, - &sp->napi))) { - __netif_rx_schedule(dev, &sp->napi); - writeq(S2IO_MINUS_ONE, - &bar0->rx_traffic_mask); - } else - writeq(S2IO_MINUS_ONE, - &bar0->rx_traffic_int); + netif_rx_schedule(dev, &sp->napi); + writeq(S2IO_MINUS_ONE, &bar0->rx_traffic_mask); + writeq(S2IO_MINUS_ONE, &bar0->rx_traffic_int); + readl(&bar0->rx_traffic_int); } } else { /* @@ -4781,7 +4824,7 @@ static irqreturn_t s2io_isr(int irq, void *dev_id) writeq(S2IO_MINUS_ONE, &bar0->rx_traffic_int); for (i = 0; i < config->rx_ring_num; i++) - rx_intr_handler(&mac_control->rings[i]); + rx_intr_handler(&mac_control->rings[i], 0); } /* @@ -6836,10 +6879,8 @@ static int set_rxd_buffer_pointer(struct s2io_nic *sp, struct RxD_t *rxdp, pci_map_single( sp->pdev, (*skb)->data, size - NET_IP_ALIGN, PCI_DMA_FROMDEVICE); - if( (rxdp1->Buffer0_ptr == 0) || - (rxdp1->Buffer0_ptr == DMA_ERROR_CODE)) { + if (pci_dma_mapping_error(rxdp1->Buffer0_ptr)) goto memalloc_failed; - } rxdp->Host_Control = (unsigned long) (*skb); } } else if ((sp->rxd_mode == RXD_MODE_3B) && (rxdp->Host_Control == 0)) { @@ -6865,15 +6906,12 @@ static int set_rxd_buffer_pointer(struct s2io_nic *sp, struct RxD_t *rxdp, pci_map_single(sp->pdev, (*skb)->data, dev->mtu + 4, PCI_DMA_FROMDEVICE); - if( (rxdp3->Buffer2_ptr == 0) || - (rxdp3->Buffer2_ptr == DMA_ERROR_CODE)) { + if (pci_dma_mapping_error(rxdp3->Buffer2_ptr)) goto memalloc_failed; - } rxdp3->Buffer0_ptr = *temp0 = pci_map_single( sp->pdev, ba->ba_0, BUF0_LEN, PCI_DMA_FROMDEVICE); - if( (rxdp3->Buffer0_ptr == 0) || - (rxdp3->Buffer0_ptr == DMA_ERROR_CODE)) { + if (pci_dma_mapping_error(rxdp3->Buffer0_ptr)) { pci_unmap_single (sp->pdev, (dma_addr_t)rxdp3->Buffer2_ptr, dev->mtu + 4, PCI_DMA_FROMDEVICE); @@ -6885,8 +6923,7 @@ static int set_rxd_buffer_pointer(struct s2io_nic *sp, struct RxD_t *rxdp, rxdp3->Buffer1_ptr = *temp1 = pci_map_single(sp->pdev, ba->ba_1, BUF1_LEN, PCI_DMA_FROMDEVICE); - if( (rxdp3->Buffer1_ptr == 0) || - (rxdp3->Buffer1_ptr == DMA_ERROR_CODE)) { + if (pci_dma_mapping_error(rxdp3->Buffer1_ptr)) { pci_unmap_single (sp->pdev, (dma_addr_t)rxdp3->Buffer0_ptr, BUF0_LEN, PCI_DMA_FROMDEVICE); @@ -6984,62 +7021,62 @@ static int s2io_add_isr(struct s2io_nic * sp) /* After proper initialization of H/W, register ISR */ if (sp->config.intr_type == MSI_X) { - int i, msix_tx_cnt=0,msix_rx_cnt=0; - - for (i=1; (sp->s2io_entries[i].in_use == MSIX_FLG); i++) { - if (sp->s2io_entries[i].type == MSIX_FIFO_TYPE) { - sprintf(sp->desc[i], "%s:MSI-X-%d-TX", + int i, msix_rx_cnt = 0; + + for (i = 0; i < sp->num_entries; i++) { + if (sp->s2io_entries[i].in_use == MSIX_FLG) { + if (sp->s2io_entries[i].type == + MSIX_RING_TYPE) { + sprintf(sp->desc[i], "%s:MSI-X-%d-RX", + dev->name, i); + err = request_irq(sp->entries[i].vector, + s2io_msix_ring_handle, 0, + sp->desc[i], + sp->s2io_entries[i].arg); + } else if (sp->s2io_entries[i].type == + MSIX_ALARM_TYPE) { + sprintf(sp->desc[i], "%s:MSI-X-%d-TX", dev->name, i); - err = request_irq(sp->entries[i].vector, - s2io_msix_fifo_handle, 0, sp->desc[i], - sp->s2io_entries[i].arg); - /* If either data or addr is zero print it */ - if(!(sp->msix_info[i].addr && - sp->msix_info[i].data)) { - DBG_PRINT(ERR_DBG, "%s @ Addr:0x%llx " - "Data:0x%llx\n",sp->desc[i], - (unsigned long long) - sp->msix_info[i].addr, - (unsigned long long) - sp->msix_info[i].data); - } else { - msix_tx_cnt++; + err = request_irq(sp->entries[i].vector, + s2io_msix_fifo_handle, 0, + sp->desc[i], + sp->s2io_entries[i].arg); + } - } else { - sprintf(sp->desc[i], "%s:MSI-X-%d-RX", - dev->name, i); - err = request_irq(sp->entries[i].vector, - s2io_msix_ring_handle, 0, sp->desc[i], - sp->s2io_entries[i].arg); - /* If either data or addr is zero print it */ - if(!(sp->msix_info[i].addr && + /* if either data or addr is zero print it. */ + if (!(sp->msix_info[i].addr && sp->msix_info[i].data)) { - DBG_PRINT(ERR_DBG, "%s @ Addr:0x%llx " - "Data:0x%llx\n",sp->desc[i], + DBG_PRINT(ERR_DBG, + "%s @Addr:0x%llx Data:0x%llx\n", + sp->desc[i], (unsigned long long) sp->msix_info[i].addr, (unsigned long long) - sp->msix_info[i].data); - } else { + ntohl(sp->msix_info[i].data)); + } else msix_rx_cnt++; + if (err) { + remove_msix_isr(sp); + + DBG_PRINT(ERR_DBG, + "%s:MSI-X-%d registration " + "failed\n", dev->name, i); + + DBG_PRINT(ERR_DBG, + "%s: Defaulting to INTA\n", + dev->name); + sp->config.intr_type = INTA; + break; } + sp->s2io_entries[i].in_use = + MSIX_REGISTERED_SUCCESS; } - if (err) { - remove_msix_isr(sp); - DBG_PRINT(ERR_DBG,"%s:MSI-X-%d registration " - "failed\n", dev->name, i); - DBG_PRINT(ERR_DBG, "%s: defaulting to INTA\n", - dev->name); - sp->config.intr_type = INTA; - break; - } - sp->s2io_entries[i].in_use = MSIX_REGISTERED_SUCCESS; } if (!err) { - printk(KERN_INFO "MSI-X-TX %d entries enabled\n", - msix_tx_cnt); printk(KERN_INFO "MSI-X-RX %d entries enabled\n", - msix_rx_cnt); + --msix_rx_cnt); + DBG_PRINT(INFO_DBG, "MSI-X-TX entries enabled" + " through alarm vector\n"); } } if (sp->config.intr_type == INTA) { @@ -7080,8 +7117,15 @@ static void do_s2io_card_down(struct s2io_nic * sp, int do_io) clear_bit(__S2IO_STATE_CARD_UP, &sp->state); /* Disable napi */ - if (config->napi) - napi_disable(&sp->napi); + if (sp->config.napi) { + int off = 0; + if (config->intr_type == MSI_X) { + for (; off < sp->config.rx_ring_num; off++) + napi_disable(&sp->mac_control.rings[off].napi); + } + else + napi_disable(&sp->napi); + } /* disable Tx and Rx traffic on the NIC */ if (do_io) @@ -7173,8 +7217,15 @@ static int s2io_card_up(struct s2io_nic * sp) } /* Initialise napi */ - if (config->napi) - napi_enable(&sp->napi); + if (config->napi) { + int i; + if (config->intr_type == MSI_X) { + for (i = 0; i < sp->config.rx_ring_num; i++) + napi_enable(&sp->mac_control.rings[i].napi); + } else { + napi_enable(&sp->napi); + } + } /* Maintain the state prior to the open */ if (sp->promisc_flg) @@ -7217,7 +7268,7 @@ static int s2io_card_up(struct s2io_nic * sp) /* Enable select interrupts */ en_dis_err_alarms(sp, ENA_ALL_INTRS, ENABLE_INTRS); if (sp->config.intr_type != INTA) - en_dis_able_nic_intrs(sp, ENA_ALL_INTRS, DISABLE_INTRS); + en_dis_able_nic_intrs(sp, TX_TRAFFIC_INTR, ENABLE_INTRS); else { interruptible = TX_TRAFFIC_INTR | RX_TRAFFIC_INTR; interruptible |= TX_PIC_INTR; @@ -7615,9 +7666,6 @@ static int s2io_verify_parm(struct pci_dev *pdev, u8 *dev_intr_type, rx_ring_num = MAX_RX_RINGS; } - if (*dev_intr_type != INTA) - napi = 0; - if ((*dev_intr_type != INTA) && (*dev_intr_type != MSI_X)) { DBG_PRINT(ERR_DBG, "s2io: Wrong intr_type requested. " "Defaulting to INTA\n"); @@ -7918,8 +7966,6 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) * will use eth_mac_addr() for dev->set_mac_address * mac address will be set every time dev->open() is called */ - netif_napi_add(dev, &sp->napi, s2io_poll, 32); - #ifdef CONFIG_NET_POLL_CONTROLLER dev->poll_controller = s2io_netpoll; #endif @@ -7963,6 +8009,32 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) } } + if (sp->config.intr_type == MSI_X) { + sp->num_entries = config->rx_ring_num + 1; + ret = s2io_enable_msi_x(sp); + + if (!ret) { + ret = s2io_test_msi(sp); + /* rollback MSI-X, will re-enable during add_isr() */ + remove_msix_isr(sp); + } + if (ret) { + + DBG_PRINT(ERR_DBG, + "%s: MSI-X requested but failed to enable\n", + dev->name); + sp->config.intr_type = INTA; + } + } + + if (config->intr_type == MSI_X) { + for (i = 0; i < config->rx_ring_num ; i++) + netif_napi_add(dev, &mac_control->rings[i].napi, + s2io_poll_msix, 64); + } else { + netif_napi_add(dev, &sp->napi, s2io_poll_inta, 64); + } + /* Not needed for Herc */ if (sp->device_type & XFRAME_I_DEVICE) { /* @@ -8013,6 +8085,11 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) /* store mac addresses from CAM to s2io_nic structure */ do_s2io_store_unicast_mc(sp); + /* Configure MSIX vector for number of rings configured plus one */ + if ((sp->device_type == XFRAME_II_DEVICE) && + (config->intr_type == MSI_X)) + sp->num_entries = config->rx_ring_num + 1; + /* Store the values of the MSIX table in the s2io_nic structure */ store_xmsi_data(sp); /* reset Nic and bring it to known state */ @@ -8078,8 +8155,14 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) break; } - if (napi) + switch (sp->config.napi) { + case 0: + DBG_PRINT(ERR_DBG, "%s: NAPI disabled\n", dev->name); + break; + case 1: DBG_PRINT(ERR_DBG, "%s: NAPI enabled\n", dev->name); + break; + } DBG_PRINT(ERR_DBG, "%s: Using %d Tx fifo(s)\n", dev->name, sp->config.tx_fifo_num); diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h index 0709ebae913..1827b6686c9 100644 --- a/drivers/net/s2io.h +++ b/drivers/net/s2io.h @@ -75,10 +75,6 @@ static int debug_level = ERR_DBG; /* DEBUG message print. */ #define DBG_PRINT(dbg_level, args...) if(!(debug_level<dbg_level)) printk(args) -#ifndef DMA_ERROR_CODE -#define DMA_ERROR_CODE (~(dma_addr_t)0x0) -#endif - /* Protocol assist features of the NIC */ #define L3_CKSUM_OK 0xFFFF #define L4_CKSUM_OK 0xFFFF @@ -706,7 +702,7 @@ struct ring_info { /* per-ring buffer counter */ u32 rx_bufs_left; - #define MAX_LRO_SESSIONS 32 +#define MAX_LRO_SESSIONS 32 struct lro lro0_n[MAX_LRO_SESSIONS]; u8 lro; @@ -725,6 +721,11 @@ struct ring_info { /* copy of sp->pdev pointer */ struct pci_dev *pdev; + /* Per ring napi struct */ + struct napi_struct napi; + + unsigned long interrupt_count; + /* * Place holders for the virtual and physical addresses of * all the Rx Blocks @@ -841,7 +842,7 @@ struct usr_addr { * Structure to keep track of the MSI-X vectors and the corresponding * argument registered against each vector */ -#define MAX_REQUESTED_MSI_X 17 +#define MAX_REQUESTED_MSI_X 9 struct s2io_msix_entry { u16 vector; @@ -849,8 +850,8 @@ struct s2io_msix_entry void *arg; u8 type; -#define MSIX_FIFO_TYPE 1 -#define MSIX_RING_TYPE 2 +#define MSIX_ALARM_TYPE 1 +#define MSIX_RING_TYPE 2 u8 in_use; #define MSIX_REGISTERED_SUCCESS 0xAA @@ -877,7 +878,6 @@ struct s2io_nic { */ int pkts_to_process; struct net_device *dev; - struct napi_struct napi; struct mac_info mac_control; struct config_param config; struct pci_dev *pdev; @@ -948,6 +948,7 @@ struct s2io_nic { */ u8 other_fifo_idx; + struct napi_struct napi; /* after blink, the adapter must be restored with original * values. */ @@ -962,6 +963,7 @@ struct s2io_nic { unsigned long long start_time; struct vlan_group *vlgrp; #define MSIX_FLG 0xA5 + int num_entries; struct msix_entry *entries; int msi_detected; wait_queue_head_t msi_wait; @@ -982,6 +984,7 @@ struct s2io_nic { u16 lro_max_aggr_per_sess; volatile unsigned long state; u64 general_int_mask; + #define VPD_STRING_LEN 80 u8 product_name[VPD_STRING_LEN]; u8 serial_num[VPD_STRING_LEN]; @@ -1103,7 +1106,7 @@ static void __devexit s2io_rem_nic(struct pci_dev *pdev); static int init_shared_mem(struct s2io_nic *sp); static void free_shared_mem(struct s2io_nic *sp); static int init_nic(struct s2io_nic *nic); -static void rx_intr_handler(struct ring_info *ring_data); +static int rx_intr_handler(struct ring_info *ring_data, int budget); static void tx_intr_handler(struct fifo_info *fifo_data); static void s2io_handle_errors(void * dev_id); @@ -1114,7 +1117,8 @@ static void s2io_set_multicast(struct net_device *dev); static int rx_osm_handler(struct ring_info *ring_data, struct RxD_t * rxdp); static void s2io_link(struct s2io_nic * sp, int link); static void s2io_reset(struct s2io_nic * sp); -static int s2io_poll(struct napi_struct *napi, int budget); +static int s2io_poll_msix(struct napi_struct *napi, int budget); +static int s2io_poll_inta(struct napi_struct *napi, int budget); static void s2io_init_pci(struct s2io_nic * sp); static int do_s2io_prog_unicast(struct net_device *dev, u8 *addr); static void s2io_alarm_handle(unsigned long data); diff --git a/drivers/net/sb1250-mac.c b/drivers/net/sb1250-mac.c index 888b7dec986..33bb18f810f 100644 --- a/drivers/net/sb1250-mac.c +++ b/drivers/net/sb1250-mac.c @@ -179,8 +179,7 @@ enum sbmac_state { #define SBMAC_MAX_TXDESCR 256 #define SBMAC_MAX_RXDESCR 256 -#define ETHER_ALIGN 2 -#define ETHER_ADDR_LEN 6 +#define ETHER_ADDR_LEN 6 #define ENET_PACKET_SIZE 1518 /*#define ENET_PACKET_SIZE 9216 */ @@ -262,8 +261,6 @@ struct sbmac_softc { spinlock_t sbm_lock; /* spin lock */ int sbm_devflags; /* current device flags */ - int sbm_buffersize; - /* * Controller-specific things */ @@ -305,10 +302,11 @@ struct sbmac_softc { static void sbdma_initctx(struct sbmacdma *d, struct sbmac_softc *s, int chan, int txrx, int maxdescr); static void sbdma_channel_start(struct sbmacdma *d, int rxtx); -static int sbdma_add_rcvbuffer(struct sbmacdma *d, struct sk_buff *m); +static int sbdma_add_rcvbuffer(struct sbmac_softc *sc, struct sbmacdma *d, + struct sk_buff *m); static int sbdma_add_txbuffer(struct sbmacdma *d, struct sk_buff *m); static void sbdma_emptyring(struct sbmacdma *d); -static void sbdma_fillring(struct sbmacdma *d); +static void sbdma_fillring(struct sbmac_softc *sc, struct sbmacdma *d); static int sbdma_rx_process(struct sbmac_softc *sc, struct sbmacdma *d, int work_to_do, int poll); static void sbdma_tx_process(struct sbmac_softc *sc, struct sbmacdma *d, @@ -777,16 +775,13 @@ static void sbdma_channel_stop(struct sbmacdma *d) d->sbdma_remptr = NULL; } -static void sbdma_align_skb(struct sk_buff *skb,int power2,int offset) +static inline void sbdma_align_skb(struct sk_buff *skb, + unsigned int power2, unsigned int offset) { - unsigned long addr; - unsigned long newaddr; - - addr = (unsigned long) skb->data; - - newaddr = (addr + power2 - 1) & ~(power2 - 1); + unsigned char *addr = skb->data; + unsigned char *newaddr = PTR_ALIGN(addr, power2); - skb_reserve(skb,newaddr-addr+offset); + skb_reserve(skb, newaddr - addr + offset); } @@ -797,7 +792,8 @@ static void sbdma_align_skb(struct sk_buff *skb,int power2,int offset) * this queues a buffer for inbound packets. * * Input parameters: - * d - DMA channel descriptor + * sc - softc structure + * d - DMA channel descriptor * sb - sk_buff to add, or NULL if we should allocate one * * Return value: @@ -806,8 +802,10 @@ static void sbdma_align_skb(struct sk_buff *skb,int power2,int offset) ********************************************************************* */ -static int sbdma_add_rcvbuffer(struct sbmacdma *d, struct sk_buff *sb) +static int sbdma_add_rcvbuffer(struct sbmac_softc *sc, struct sbmacdma *d, + struct sk_buff *sb) { + struct net_device *dev = sc->sbm_dev; struct sbdmadscr *dsc; struct sbdmadscr *nextdsc; struct sk_buff *sb_new = NULL; @@ -848,14 +846,16 @@ static int sbdma_add_rcvbuffer(struct sbmacdma *d, struct sk_buff *sb) */ if (sb == NULL) { - sb_new = dev_alloc_skb(ENET_PACKET_SIZE + SMP_CACHE_BYTES * 2 + ETHER_ALIGN); + sb_new = netdev_alloc_skb(dev, ENET_PACKET_SIZE + + SMP_CACHE_BYTES * 2 + + NET_IP_ALIGN); if (sb_new == NULL) { pr_info("%s: sk_buff allocation failed\n", d->sbdma_eth->sbm_dev->name); return -ENOBUFS; } - sbdma_align_skb(sb_new, SMP_CACHE_BYTES, ETHER_ALIGN); + sbdma_align_skb(sb_new, SMP_CACHE_BYTES, NET_IP_ALIGN); } else { sb_new = sb; @@ -874,10 +874,10 @@ static int sbdma_add_rcvbuffer(struct sbmacdma *d, struct sk_buff *sb) * Do not interrupt per DMA transfer. */ dsc->dscr_a = virt_to_phys(sb_new->data) | - V_DMA_DSCRA_A_SIZE(NUMCACHEBLKS(pktsize+ETHER_ALIGN)) | 0; + V_DMA_DSCRA_A_SIZE(NUMCACHEBLKS(pktsize + NET_IP_ALIGN)) | 0; #else dsc->dscr_a = virt_to_phys(sb_new->data) | - V_DMA_DSCRA_A_SIZE(NUMCACHEBLKS(pktsize+ETHER_ALIGN)) | + V_DMA_DSCRA_A_SIZE(NUMCACHEBLKS(pktsize + NET_IP_ALIGN)) | M_DMA_DSCRA_INTERRUPT; #endif @@ -1032,18 +1032,19 @@ static void sbdma_emptyring(struct sbmacdma *d) * with sk_buffs * * Input parameters: - * d - DMA channel + * sc - softc structure + * d - DMA channel * * Return value: * nothing ********************************************************************* */ -static void sbdma_fillring(struct sbmacdma *d) +static void sbdma_fillring(struct sbmac_softc *sc, struct sbmacdma *d) { int idx; - for (idx = 0; idx < SBMAC_MAX_RXDESCR-1; idx++) { - if (sbdma_add_rcvbuffer(d,NULL) != 0) + for (idx = 0; idx < SBMAC_MAX_RXDESCR - 1; idx++) { + if (sbdma_add_rcvbuffer(sc, d, NULL) != 0) break; } } @@ -1159,10 +1160,11 @@ again: * packet and put it right back on the receive ring. */ - if (unlikely (sbdma_add_rcvbuffer(d,NULL) == - -ENOBUFS)) { + if (unlikely(sbdma_add_rcvbuffer(sc, d, NULL) == + -ENOBUFS)) { dev->stats.rx_dropped++; - sbdma_add_rcvbuffer(d,sb); /* re-add old buffer */ + /* Re-add old buffer */ + sbdma_add_rcvbuffer(sc, d, sb); /* No point in continuing at the moment */ printk(KERN_ERR "dropped packet (1)\n"); d->sbdma_remptr = SBDMA_NEXTBUF(d,sbdma_remptr); @@ -1212,7 +1214,7 @@ again: * put it back on the receive ring. */ dev->stats.rx_errors++; - sbdma_add_rcvbuffer(d,sb); + sbdma_add_rcvbuffer(sc, d, sb); } @@ -1570,7 +1572,7 @@ static void sbmac_channel_start(struct sbmac_softc *s) * Fill the receive ring */ - sbdma_fillring(&(s->sbm_rxdma)); + sbdma_fillring(s, &(s->sbm_rxdma)); /* * Turn on the rest of the bits in the enable register @@ -2312,13 +2314,6 @@ static int sbmac_init(struct platform_device *pldev, long long base) dev->dev_addr[i] = eaddr[i]; } - - /* - * Init packet size - */ - - sc->sbm_buffersize = ENET_PACKET_SIZE + SMP_CACHE_BYTES * 2 + ETHER_ALIGN; - /* * Initialize context (get pointers to registers and stuff), then * allocate the memory for the descriptor tables. diff --git a/drivers/net/sc92031.c b/drivers/net/sc92031.c index f64a860029b..61955f8d801 100644 --- a/drivers/net/sc92031.c +++ b/drivers/net/sc92031.c @@ -953,9 +953,6 @@ static int sc92031_start_xmit(struct sk_buff *skb, struct net_device *dev) unsigned entry; u32 tx_status; - if (skb_padto(skb, ETH_ZLEN)) - return NETDEV_TX_OK; - if (unlikely(skb->len > TX_BUF_SIZE)) { dev->stats.tx_dropped++; goto out; @@ -975,6 +972,11 @@ static int sc92031_start_xmit(struct sk_buff *skb, struct net_device *dev) skb_copy_and_csum_dev(skb, priv->tx_bufs + entry * TX_BUF_SIZE); len = skb->len; + if (len < ETH_ZLEN) { + memset(priv->tx_bufs + entry * TX_BUF_SIZE + len, + 0, ETH_ZLEN - len); + len = ETH_ZLEN; + } wmb(); diff --git a/drivers/net/sfc/bitfield.h b/drivers/net/sfc/bitfield.h index 2806201644c..2c79d27404e 100644 --- a/drivers/net/sfc/bitfield.h +++ b/drivers/net/sfc/bitfield.h @@ -483,7 +483,7 @@ typedef union efx_oword { #endif #define EFX_SET_OWORD_FIELD_VER(efx, oword, field, value) do { \ - if (FALCON_REV(efx) >= FALCON_REV_B0) { \ + if (falcon_rev(efx) >= FALCON_REV_B0) { \ EFX_SET_OWORD_FIELD((oword), field##_B0, (value)); \ } else { \ EFX_SET_OWORD_FIELD((oword), field##_A1, (value)); \ @@ -491,7 +491,7 @@ typedef union efx_oword { } while (0) #define EFX_QWORD_FIELD_VER(efx, qword, field) \ - (FALCON_REV(efx) >= FALCON_REV_B0 ? \ + (falcon_rev(efx) >= FALCON_REV_B0 ? \ EFX_QWORD_FIELD((qword), field##_B0) : \ EFX_QWORD_FIELD((qword), field##_A1)) @@ -501,8 +501,5 @@ typedef union efx_oword { #define DMA_ADDR_T_WIDTH (8 * sizeof(dma_addr_t)) #define EFX_DMA_TYPE_WIDTH(width) \ (((width) < DMA_ADDR_T_WIDTH) ? (width) : DMA_ADDR_T_WIDTH) -#define EFX_DMA_MAX_MASK ((DMA_ADDR_T_WIDTH == 64) ? \ - ~((u64) 0) : ~((u32) 0)) -#define EFX_DMA_MASK(mask) ((mask) & EFX_DMA_MAX_MASK) #endif /* EFX_BITFIELD_H */ diff --git a/drivers/net/sfc/boards.c b/drivers/net/sfc/boards.c index eecaa6d5858..7fc0328dc05 100644 --- a/drivers/net/sfc/boards.c +++ b/drivers/net/sfc/boards.c @@ -27,10 +27,8 @@ static void blink_led_timer(unsigned long context) struct efx_blinker *bl = &efx->board_info.blinker; efx->board_info.set_fault_led(efx, bl->state); bl->state = !bl->state; - if (bl->resubmit) { - bl->timer.expires = jiffies + BLINK_INTERVAL; - add_timer(&bl->timer); - } + if (bl->resubmit) + mod_timer(&bl->timer, jiffies + BLINK_INTERVAL); } static void board_blink(struct efx_nic *efx, int blink) @@ -44,8 +42,7 @@ static void board_blink(struct efx_nic *efx, int blink) blinker->state = 0; setup_timer(&blinker->timer, blink_led_timer, (unsigned long)efx); - blinker->timer.expires = jiffies + BLINK_INTERVAL; - add_timer(&blinker->timer); + mod_timer(&blinker->timer, jiffies + BLINK_INTERVAL); } else { blinker->resubmit = 0; if (blinker->timer.function) diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c index 418f2e53a95..449760642e3 100644 --- a/drivers/net/sfc/efx.c +++ b/drivers/net/sfc/efx.c @@ -199,11 +199,12 @@ static inline int efx_process_channel(struct efx_channel *channel, int rx_quota) */ static inline void efx_channel_processed(struct efx_channel *channel) { - /* Write to EVQ_RPTR_REG. If a new event arrived in a race - * with finishing processing, a new interrupt will be raised. - */ + /* The interrupt handler for this channel may set work_pending + * as soon as we acknowledge the events we've seen. Make sure + * it's cleared before then. */ channel->work_pending = 0; - smp_wmb(); /* Ensure channel updated before any new interrupt. */ + smp_wmb(); + falcon_eventq_read_ack(channel); } @@ -265,7 +266,7 @@ void efx_process_channel_now(struct efx_channel *channel) napi_disable(&channel->napi_str); /* Poll the channel */ - (void) efx_process_channel(channel, efx->type->evq_size); + efx_process_channel(channel, efx->type->evq_size); /* Ack the eventq. This may cause an interrupt to be generated * when they are reenabled */ @@ -317,26 +318,6 @@ static void efx_remove_eventq(struct efx_channel *channel) * *************************************************************************/ -/* Setup per-NIC RX buffer parameters. - * Calculate the rx buffer allocation parameters required to support - * the current MTU, including padding for header alignment and overruns. - */ -static void efx_calc_rx_buffer_params(struct efx_nic *efx) -{ - unsigned int order, len; - - len = (max(EFX_PAGE_IP_ALIGN, NET_IP_ALIGN) + - EFX_MAX_FRAME_LEN(efx->net_dev->mtu) + - efx->type->rx_buffer_padding); - - /* Calculate page-order */ - for (order = 0; ((1u << order) * PAGE_SIZE) < len; ++order) - ; - - efx->rx_buffer_len = len; - efx->rx_buffer_order = order; -} - static int efx_probe_channel(struct efx_channel *channel) { struct efx_tx_queue *tx_queue; @@ -387,7 +368,14 @@ static int efx_init_channels(struct efx_nic *efx) struct efx_channel *channel; int rc = 0; - efx_calc_rx_buffer_params(efx); + /* Calculate the rx buffer allocation parameters required to + * support the current MTU, including padding for header + * alignment and overruns. + */ + efx->rx_buffer_len = (max(EFX_PAGE_IP_ALIGN, NET_IP_ALIGN) + + EFX_MAX_FRAME_LEN(efx->net_dev->mtu) + + efx->type->rx_buffer_padding); + efx->rx_buffer_order = get_order(efx->rx_buffer_len); /* Initialise the channels */ efx_for_each_channel(channel, efx) { @@ -440,9 +428,12 @@ static void efx_start_channel(struct efx_channel *channel) netif_napi_add(channel->napi_dev, &channel->napi_str, efx_poll, napi_weight); + /* The interrupt handler for this channel may set work_pending + * as soon as we enable it. Make sure it's cleared before + * then. Similarly, make sure it sees the enabled flag set. */ channel->work_pending = 0; channel->enabled = 1; - smp_wmb(); /* ensure channel updated before first interrupt */ + smp_wmb(); napi_enable(&channel->napi_str); @@ -704,7 +695,7 @@ static void efx_stop_port(struct efx_nic *efx) mutex_unlock(&efx->mac_lock); /* Serialise against efx_set_multicast_list() */ - if (NET_DEV_REGISTERED(efx)) { + if (efx_dev_registered(efx)) { netif_tx_lock_bh(efx->net_dev); netif_tx_unlock_bh(efx->net_dev); } @@ -791,22 +782,23 @@ static int efx_init_io(struct efx_nic *efx) efx->membase = ioremap_nocache(efx->membase_phys, efx->type->mem_map_size); if (!efx->membase) { - EFX_ERR(efx, "could not map memory BAR %d at %lx+%x\n", - efx->type->mem_bar, efx->membase_phys, + EFX_ERR(efx, "could not map memory BAR %d at %llx+%x\n", + efx->type->mem_bar, + (unsigned long long)efx->membase_phys, efx->type->mem_map_size); rc = -ENOMEM; goto fail4; } - EFX_LOG(efx, "memory BAR %u at %lx+%x (virtual %p)\n", - efx->type->mem_bar, efx->membase_phys, efx->type->mem_map_size, - efx->membase); + EFX_LOG(efx, "memory BAR %u at %llx+%x (virtual %p)\n", + efx->type->mem_bar, (unsigned long long)efx->membase_phys, + efx->type->mem_map_size, efx->membase); return 0; fail4: release_mem_region(efx->membase_phys, efx->type->mem_map_size); fail3: - efx->membase_phys = 0UL; + efx->membase_phys = 0; fail2: pci_disable_device(efx->pci_dev); fail1: @@ -824,7 +816,7 @@ static void efx_fini_io(struct efx_nic *efx) if (efx->membase_phys) { pci_release_region(efx->pci_dev, efx->type->mem_bar); - efx->membase_phys = 0UL; + efx->membase_phys = 0; } pci_disable_device(efx->pci_dev); @@ -1043,7 +1035,7 @@ static void efx_start_all(struct efx_nic *efx) return; if ((efx->state != STATE_RUNNING) && (efx->state != STATE_INIT)) return; - if (NET_DEV_REGISTERED(efx) && !netif_running(efx->net_dev)) + if (efx_dev_registered(efx) && !netif_running(efx->net_dev)) return; /* Mark the port as enabled so port reconfigurations can start, then @@ -1073,9 +1065,8 @@ static void efx_flush_all(struct efx_nic *efx) cancel_delayed_work_sync(&efx->monitor_work); /* Ensure that all RX slow refills are complete. */ - efx_for_each_rx_queue(rx_queue, efx) { + efx_for_each_rx_queue(rx_queue, efx) cancel_delayed_work_sync(&rx_queue->work); - } /* Stop scheduled port reconfigurations */ cancel_work_sync(&efx->reconfigure_work); @@ -1101,9 +1092,10 @@ static void efx_stop_all(struct efx_nic *efx) falcon_disable_interrupts(efx); if (efx->legacy_irq) synchronize_irq(efx->legacy_irq); - efx_for_each_channel_with_interrupt(channel, efx) + efx_for_each_channel_with_interrupt(channel, efx) { if (channel->irq) synchronize_irq(channel->irq); + } /* Stop all NAPI processing and synchronous rx refills */ efx_for_each_channel(channel, efx) @@ -1125,7 +1117,7 @@ static void efx_stop_all(struct efx_nic *efx) /* Stop the kernel transmit interface late, so the watchdog * timer isn't ticking over the flush */ efx_stop_queue(efx); - if (NET_DEV_REGISTERED(efx)) { + if (efx_dev_registered(efx)) { netif_tx_lock_bh(efx->net_dev); netif_tx_unlock_bh(efx->net_dev); } @@ -1344,13 +1336,17 @@ static int efx_net_stop(struct net_device *net_dev) return 0; } -/* Context: process, dev_base_lock held, non-blocking. */ +/* Context: process, dev_base_lock or RTNL held, non-blocking. */ static struct net_device_stats *efx_net_stats(struct net_device *net_dev) { struct efx_nic *efx = net_dev->priv; struct efx_mac_stats *mac_stats = &efx->mac_stats; struct net_device_stats *stats = &net_dev->stats; + /* Update stats if possible, but do not wait if another thread + * is updating them (or resetting the NIC); slightly stale + * stats are acceptable. + */ if (!spin_trylock(&efx->stats_lock)) return stats; if (efx->state == STATE_RUNNING) { @@ -1494,7 +1490,7 @@ static void efx_set_multicast_list(struct net_device *net_dev) static int efx_netdev_event(struct notifier_block *this, unsigned long event, void *ptr) { - struct net_device *net_dev = (struct net_device *)ptr; + struct net_device *net_dev = ptr; if (net_dev->open == efx_net_open && event == NETDEV_CHANGENAME) { struct efx_nic *efx = net_dev->priv; @@ -1563,7 +1559,7 @@ static void efx_unregister_netdev(struct efx_nic *efx) efx_for_each_tx_queue(tx_queue, efx) efx_release_tx_buffers(tx_queue); - if (NET_DEV_REGISTERED(efx)) { + if (efx_dev_registered(efx)) { strlcpy(efx->name, pci_name(efx->pci_dev), sizeof(efx->name)); unregister_netdev(efx->net_dev); } @@ -1688,7 +1684,7 @@ static int efx_reset(struct efx_nic *efx) if (method == RESET_TYPE_DISABLE) { /* Reinitialise the device anyway so the driver unload sequence * can talk to the external SRAM */ - (void) falcon_init_nic(efx); + falcon_init_nic(efx); rc = -EIO; goto fail4; } diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c index b57cc68058c..790db89db34 100644 --- a/drivers/net/sfc/falcon.c +++ b/drivers/net/sfc/falcon.c @@ -116,17 +116,8 @@ MODULE_PARM_DESC(rx_xon_thresh_bytes, "RX fifo XON threshold"); ************************************************************************** */ -/* DMA address mask (up to 46-bit, avoiding compiler warnings) - * - * Note that it is possible to have a platform with 64-bit longs and - * 32-bit DMA addresses, or vice versa. EFX_DMA_MASK takes care of the - * platform DMA mask. - */ -#if BITS_PER_LONG == 64 -#define FALCON_DMA_MASK EFX_DMA_MASK(0x00003fffffffffffUL) -#else -#define FALCON_DMA_MASK EFX_DMA_MASK(0x00003fffffffffffULL) -#endif +/* DMA address mask */ +#define FALCON_DMA_MASK DMA_BIT_MASK(46) /* TX DMA length mask (13-bit) */ #define FALCON_TX_DMA_MASK (4096 - 1) @@ -145,7 +136,7 @@ MODULE_PARM_DESC(rx_xon_thresh_bytes, "RX fifo XON threshold"); #define PCI_EXP_LNKSTA_LNK_WID_LBN 4 #define FALCON_IS_DUAL_FUNC(efx) \ - (FALCON_REV(efx) < FALCON_REV_B0) + (falcon_rev(efx) < FALCON_REV_B0) /************************************************************************** * @@ -465,7 +456,7 @@ int falcon_init_tx(struct efx_tx_queue *tx_queue) TX_DESCQ_TYPE, 0, TX_NON_IP_DROP_DIS_B0, 1); - if (FALCON_REV(efx) >= FALCON_REV_B0) { + if (falcon_rev(efx) >= FALCON_REV_B0) { int csum = !(efx->net_dev->features & NETIF_F_IP_CSUM); EFX_SET_OWORD_FIELD(tx_desc_ptr, TX_IP_CHKSM_DIS_B0, csum); EFX_SET_OWORD_FIELD(tx_desc_ptr, TX_TCP_CHKSM_DIS_B0, csum); @@ -474,7 +465,7 @@ int falcon_init_tx(struct efx_tx_queue *tx_queue) falcon_write_table(efx, &tx_desc_ptr, efx->type->txd_ptr_tbl_base, tx_queue->queue); - if (FALCON_REV(efx) < FALCON_REV_B0) { + if (falcon_rev(efx) < FALCON_REV_B0) { efx_oword_t reg; BUG_ON(tx_queue->queue >= 128); /* HW limit */ @@ -635,7 +626,7 @@ int falcon_init_rx(struct efx_rx_queue *rx_queue) efx_oword_t rx_desc_ptr; struct efx_nic *efx = rx_queue->efx; int rc; - int is_b0 = FALCON_REV(efx) >= FALCON_REV_B0; + int is_b0 = falcon_rev(efx) >= FALCON_REV_B0; int iscsi_digest_en = is_b0; EFX_LOG(efx, "RX queue %d ring in special buffers %d-%d\n", @@ -742,8 +733,10 @@ void falcon_fini_rx(struct efx_rx_queue *rx_queue) continue; break; } - if (rc) + if (rc) { EFX_ERR(efx, "failed to flush rx queue %d\n", rx_queue->queue); + efx_schedule_reset(efx, RESET_TYPE_INVISIBLE); + } /* Remove RX descriptor ring from card */ EFX_ZERO_OWORD(rx_desc_ptr); @@ -822,10 +815,10 @@ static inline void falcon_handle_tx_event(struct efx_channel *channel, tx_ev_q_label = EFX_QWORD_FIELD(*event, TX_EV_Q_LABEL); tx_queue = &efx->tx_queue[tx_ev_q_label]; - if (NET_DEV_REGISTERED(efx)) + if (efx_dev_registered(efx)) netif_tx_lock(efx->net_dev); falcon_notify_tx_desc(tx_queue); - if (NET_DEV_REGISTERED(efx)) + if (efx_dev_registered(efx)) netif_tx_unlock(efx->net_dev); } else if (EFX_QWORD_FIELD(*event, TX_EV_PKT_ERR) && EFX_WORKAROUND_10727(efx)) { @@ -884,7 +877,7 @@ static void falcon_handle_rx_not_ok(struct efx_rx_queue *rx_queue, RX_EV_TCP_UDP_CHKSUM_ERR); rx_ev_eth_crc_err = EFX_QWORD_FIELD(*event, RX_EV_ETH_CRC_ERR); rx_ev_frm_trunc = EFX_QWORD_FIELD(*event, RX_EV_FRM_TRUNC); - rx_ev_drib_nib = ((FALCON_REV(efx) >= FALCON_REV_B0) ? + rx_ev_drib_nib = ((falcon_rev(efx) >= FALCON_REV_B0) ? 0 : EFX_QWORD_FIELD(*event, RX_EV_DRIB_NIB)); rx_ev_pause_frm = EFX_QWORD_FIELD(*event, RX_EV_PAUSE_FRM_ERR); @@ -1065,7 +1058,7 @@ static void falcon_handle_global_event(struct efx_channel *channel, EFX_QWORD_FIELD(*event, XG_PHY_INTR)) is_phy_event = 1; - if ((FALCON_REV(efx) >= FALCON_REV_B0) && + if ((falcon_rev(efx) >= FALCON_REV_B0) && EFX_OWORD_FIELD(*event, XG_MNT_INTR_B0)) is_phy_event = 1; @@ -1405,7 +1398,7 @@ static inline void falcon_irq_ack_a1(struct efx_nic *efx) static irqreturn_t falcon_fatal_interrupt(struct efx_nic *efx) { struct falcon_nic_data *nic_data = efx->nic_data; - efx_oword_t *int_ker = (efx_oword_t *) efx->irq_status.addr; + efx_oword_t *int_ker = efx->irq_status.addr; efx_oword_t fatal_intr; int error, mem_perr; static int n_int_errors; @@ -1451,8 +1444,8 @@ out: */ static irqreturn_t falcon_legacy_interrupt_b0(int irq, void *dev_id) { - struct efx_nic *efx = (struct efx_nic *)dev_id; - efx_oword_t *int_ker = (efx_oword_t *) efx->irq_status.addr; + struct efx_nic *efx = dev_id; + efx_oword_t *int_ker = efx->irq_status.addr; struct efx_channel *channel; efx_dword_t reg; u32 queues; @@ -1489,8 +1482,8 @@ static irqreturn_t falcon_legacy_interrupt_b0(int irq, void *dev_id) static irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id) { - struct efx_nic *efx = (struct efx_nic *)dev_id; - efx_oword_t *int_ker = (efx_oword_t *) efx->irq_status.addr; + struct efx_nic *efx = dev_id; + efx_oword_t *int_ker = efx->irq_status.addr; struct efx_channel *channel; int syserr; int queues; @@ -1542,9 +1535,9 @@ static irqreturn_t falcon_legacy_interrupt_a1(int irq, void *dev_id) */ static irqreturn_t falcon_msi_interrupt(int irq, void *dev_id) { - struct efx_channel *channel = (struct efx_channel *)dev_id; + struct efx_channel *channel = dev_id; struct efx_nic *efx = channel->efx; - efx_oword_t *int_ker = (efx_oword_t *) efx->irq_status.addr; + efx_oword_t *int_ker = efx->irq_status.addr; int syserr; efx->last_irq_cpu = raw_smp_processor_id(); @@ -1572,7 +1565,7 @@ static void falcon_setup_rss_indir_table(struct efx_nic *efx) unsigned long offset; efx_dword_t dword; - if (FALCON_REV(efx) < FALCON_REV_B0) + if (falcon_rev(efx) < FALCON_REV_B0) return; for (offset = RX_RSS_INDIR_TBL_B0; @@ -1595,7 +1588,7 @@ int falcon_init_interrupt(struct efx_nic *efx) if (!EFX_INT_MODE_USE_MSI(efx)) { irq_handler_t handler; - if (FALCON_REV(efx) >= FALCON_REV_B0) + if (falcon_rev(efx) >= FALCON_REV_B0) handler = falcon_legacy_interrupt_b0; else handler = falcon_legacy_interrupt_a1; @@ -1636,12 +1629,13 @@ void falcon_fini_interrupt(struct efx_nic *efx) efx_oword_t reg; /* Disable MSI/MSI-X interrupts */ - efx_for_each_channel_with_interrupt(channel, efx) + efx_for_each_channel_with_interrupt(channel, efx) { if (channel->irq) free_irq(channel->irq, channel); + } /* ACK legacy interrupt */ - if (FALCON_REV(efx) >= FALCON_REV_B0) + if (falcon_rev(efx) >= FALCON_REV_B0) falcon_read(efx, ®, INT_ISR0_B0); else falcon_irq_ack_a1(efx); @@ -1732,7 +1726,7 @@ void falcon_drain_tx_fifo(struct efx_nic *efx) efx_oword_t temp; int count; - if ((FALCON_REV(efx) < FALCON_REV_B0) || + if ((falcon_rev(efx) < FALCON_REV_B0) || (efx->loopback_mode != LOOPBACK_NONE)) return; @@ -1785,7 +1779,7 @@ void falcon_deconfigure_mac_wrapper(struct efx_nic *efx) { efx_oword_t temp; - if (FALCON_REV(efx) < FALCON_REV_B0) + if (falcon_rev(efx) < FALCON_REV_B0) return; /* Isolate the MAC -> RX */ @@ -1823,7 +1817,7 @@ void falcon_reconfigure_mac_wrapper(struct efx_nic *efx) MAC_SPEED, link_speed); /* On B0, MAC backpressure can be disabled and packets get * discarded. */ - if (FALCON_REV(efx) >= FALCON_REV_B0) { + if (falcon_rev(efx) >= FALCON_REV_B0) { EFX_SET_OWORD_FIELD(reg, TXFIFO_DRAIN_EN_B0, !efx->link_up); } @@ -1841,7 +1835,7 @@ void falcon_reconfigure_mac_wrapper(struct efx_nic *efx) EFX_SET_OWORD_FIELD_VER(efx, reg, RX_XOFF_MAC_EN, tx_fc); /* Unisolate the MAC -> RX */ - if (FALCON_REV(efx) >= FALCON_REV_B0) + if (falcon_rev(efx) >= FALCON_REV_B0) EFX_SET_OWORD_FIELD(reg, RX_INGR_EN_B0, 1); falcon_write(efx, ®, RX_CFG_REG_KER); } @@ -1856,7 +1850,7 @@ int falcon_dma_stats(struct efx_nic *efx, unsigned int done_offset) return 0; /* Statistics fetch will fail if the MAC is in TX drain */ - if (FALCON_REV(efx) >= FALCON_REV_B0) { + if (falcon_rev(efx) >= FALCON_REV_B0) { efx_oword_t temp; falcon_read(efx, &temp, MAC0_CTRL_REG_KER); if (EFX_OWORD_FIELD(temp, TXFIFO_DRAIN_EN_B0)) @@ -1940,7 +1934,7 @@ static int falcon_gmii_wait(struct efx_nic *efx) static void falcon_mdio_write(struct net_device *net_dev, int phy_id, int addr, int value) { - struct efx_nic *efx = (struct efx_nic *)net_dev->priv; + struct efx_nic *efx = net_dev->priv; unsigned int phy_id2 = phy_id & FALCON_PHY_ID_ID_MASK; efx_oword_t reg; @@ -2008,7 +2002,7 @@ static void falcon_mdio_write(struct net_device *net_dev, int phy_id, * could be read, -1 will be returned. */ static int falcon_mdio_read(struct net_device *net_dev, int phy_id, int addr) { - struct efx_nic *efx = (struct efx_nic *)net_dev->priv; + struct efx_nic *efx = net_dev->priv; unsigned int phy_addr = phy_id & FALCON_PHY_ID_ID_MASK; efx_oword_t reg; int value = -1; @@ -2113,7 +2107,7 @@ int falcon_probe_port(struct efx_nic *efx) falcon_init_mdio(&efx->mii); /* Hardware flow ctrl. FalconA RX FIFO too small for pause generation */ - if (FALCON_REV(efx) >= FALCON_REV_B0) + if (falcon_rev(efx) >= FALCON_REV_B0) efx->flow_control = EFX_FC_RX | EFX_FC_TX; else efx->flow_control = EFX_FC_RX; @@ -2373,7 +2367,7 @@ static int falcon_probe_nic_variant(struct efx_nic *efx) return -ENODEV; } - switch (FALCON_REV(efx)) { + switch (falcon_rev(efx)) { case FALCON_REV_A0: case 0xff: EFX_ERR(efx, "Falcon rev A0 not supported\n"); @@ -2399,7 +2393,7 @@ static int falcon_probe_nic_variant(struct efx_nic *efx) break; default: - EFX_ERR(efx, "Unknown Falcon rev %d\n", FALCON_REV(efx)); + EFX_ERR(efx, "Unknown Falcon rev %d\n", falcon_rev(efx)); return -ENODEV; } @@ -2419,7 +2413,7 @@ int falcon_probe_nic(struct efx_nic *efx) /* Allocate storage for hardware specific data */ nic_data = kzalloc(sizeof(*nic_data), GFP_KERNEL); - efx->nic_data = (void *) nic_data; + efx->nic_data = nic_data; /* Determine number of ports etc. */ rc = falcon_probe_nic_variant(efx); @@ -2489,13 +2483,10 @@ int falcon_probe_nic(struct efx_nic *efx) */ int falcon_init_nic(struct efx_nic *efx) { - struct falcon_nic_data *data; efx_oword_t temp; unsigned thresh; int rc; - data = (struct falcon_nic_data *)efx->nic_data; - /* Set up the address region register. This is only needed * for the B0 FPGA, but since we are just pushing in the * reset defaults this may as well be unconditional. */ @@ -2562,7 +2553,7 @@ int falcon_init_nic(struct efx_nic *efx) /* Set number of RSS queues for receive path. */ falcon_read(efx, &temp, RX_FILTER_CTL_REG); - if (FALCON_REV(efx) >= FALCON_REV_B0) + if (falcon_rev(efx) >= FALCON_REV_B0) EFX_SET_OWORD_FIELD(temp, NUM_KER, 0); else EFX_SET_OWORD_FIELD(temp, NUM_KER, efx->rss_queues - 1); @@ -2600,7 +2591,7 @@ int falcon_init_nic(struct efx_nic *efx) /* Prefetch threshold 2 => fetch when descriptor cache half empty */ EFX_SET_OWORD_FIELD(temp, TX_PREF_THRESHOLD, 2); /* Squash TX of packets of 16 bytes or less */ - if (FALCON_REV(efx) >= FALCON_REV_B0 && EFX_WORKAROUND_9141(efx)) + if (falcon_rev(efx) >= FALCON_REV_B0 && EFX_WORKAROUND_9141(efx)) EFX_SET_OWORD_FIELD(temp, TX_FLUSH_MIN_LEN_EN_B0, 1); falcon_write(efx, &temp, TX_CFG2_REG_KER); @@ -2617,7 +2608,7 @@ int falcon_init_nic(struct efx_nic *efx) if (EFX_WORKAROUND_7575(efx)) EFX_SET_OWORD_FIELD_VER(efx, temp, RX_USR_BUF_SIZE, (3 * 4096) / 32); - if (FALCON_REV(efx) >= FALCON_REV_B0) + if (falcon_rev(efx) >= FALCON_REV_B0) EFX_SET_OWORD_FIELD(temp, RX_INGR_EN_B0, 1); /* RX FIFO flow control thresholds */ @@ -2633,7 +2624,7 @@ int falcon_init_nic(struct efx_nic *efx) falcon_write(efx, &temp, RX_CFG_REG_KER); /* Set destination of both TX and RX Flush events */ - if (FALCON_REV(efx) >= FALCON_REV_B0) { + if (falcon_rev(efx) >= FALCON_REV_B0) { EFX_POPULATE_OWORD_1(temp, FLS_EVQ_ID, 0); falcon_write(efx, &temp, DP_CTRL_REG); } @@ -2647,7 +2638,7 @@ void falcon_remove_nic(struct efx_nic *efx) falcon_free_buffer(efx, &efx->irq_status); - (void) falcon_reset_hw(efx, RESET_TYPE_ALL); + falcon_reset_hw(efx, RESET_TYPE_ALL); /* Release the second function after the reset */ if (nic_data->pci_dev2) { diff --git a/drivers/net/sfc/falcon.h b/drivers/net/sfc/falcon.h index 6117403b0c0..492f9bc2884 100644 --- a/drivers/net/sfc/falcon.h +++ b/drivers/net/sfc/falcon.h @@ -23,7 +23,10 @@ enum falcon_revision { FALCON_REV_B0 = 2, }; -#define FALCON_REV(efx) ((efx)->pci_dev->revision) +static inline int falcon_rev(struct efx_nic *efx) +{ + return efx->pci_dev->revision; +} extern struct efx_nic_type falcon_a_nic_type; extern struct efx_nic_type falcon_b_nic_type; diff --git a/drivers/net/sfc/falcon_hwdefs.h b/drivers/net/sfc/falcon_hwdefs.h index 06e2d68fc3d..6d003114eea 100644 --- a/drivers/net/sfc/falcon_hwdefs.h +++ b/drivers/net/sfc/falcon_hwdefs.h @@ -1125,7 +1125,7 @@ struct falcon_nvconfig_board_v2 { u8 port1_phy_type; __le16 asic_sub_revision; __le16 board_revision; -} __attribute__ ((packed)); +} __packed; #define NVCONFIG_BASE 0x300 #define NVCONFIG_BOARD_MAGIC_NUM 0xFA1C @@ -1144,6 +1144,6 @@ struct falcon_nvconfig { __le16 board_struct_ver; __le16 board_checksum; struct falcon_nvconfig_board_v2 board_v2; -} __attribute__ ((packed)); +} __packed; #endif /* EFX_FALCON_HWDEFS_H */ diff --git a/drivers/net/sfc/falcon_io.h b/drivers/net/sfc/falcon_io.h index ea08184ddfa..6670cdfc41a 100644 --- a/drivers/net/sfc/falcon_io.h +++ b/drivers/net/sfc/falcon_io.h @@ -56,14 +56,27 @@ #define FALCON_USE_QWORD_IO 1 #endif -#define _falcon_writeq(efx, value, reg) \ - __raw_writeq((__force u64) (value), (efx)->membase + (reg)) -#define _falcon_writel(efx, value, reg) \ - __raw_writel((__force u32) (value), (efx)->membase + (reg)) -#define _falcon_readq(efx, reg) \ - ((__force __le64) __raw_readq((efx)->membase + (reg))) -#define _falcon_readl(efx, reg) \ - ((__force __le32) __raw_readl((efx)->membase + (reg))) +#ifdef FALCON_USE_QWORD_IO +static inline void _falcon_writeq(struct efx_nic *efx, __le64 value, + unsigned int reg) +{ + __raw_writeq((__force u64)value, efx->membase + reg); +} +static inline __le64 _falcon_readq(struct efx_nic *efx, unsigned int reg) +{ + return (__force __le64)__raw_readq(efx->membase + reg); +} +#endif + +static inline void _falcon_writel(struct efx_nic *efx, __le32 value, + unsigned int reg) +{ + __raw_writel((__force u32)value, efx->membase + reg); +} +static inline __le32 _falcon_readl(struct efx_nic *efx, unsigned int reg) +{ + return (__force __le32)__raw_readl(efx->membase + reg); +} /* Writes to a normal 16-byte Falcon register, locking as appropriate. */ static inline void falcon_write(struct efx_nic *efx, efx_oword_t *value, diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c index a74b7931a3c..55c0d9760be 100644 --- a/drivers/net/sfc/falcon_xmac.c +++ b/drivers/net/sfc/falcon_xmac.c @@ -221,7 +221,7 @@ static int falcon_xgmii_status(struct efx_nic *efx) { efx_dword_t reg; - if (FALCON_REV(efx) < FALCON_REV_B0) + if (falcon_rev(efx) < FALCON_REV_B0) return 1; /* The ISR latches, so clear it and re-read */ @@ -241,7 +241,7 @@ static void falcon_mask_status_intr(struct efx_nic *efx, int enable) { efx_dword_t reg; - if ((FALCON_REV(efx) < FALCON_REV_B0) || LOOPBACK_INTERNAL(efx)) + if ((falcon_rev(efx) < FALCON_REV_B0) || LOOPBACK_INTERNAL(efx)) return; /* Flush the ISR */ @@ -454,12 +454,12 @@ static int falcon_check_xaui_link_up(struct efx_nic *efx) EFX_LOG(efx, "%s Clobbering XAUI (%d tries left).\n", __func__, tries); - (void) falcon_reset_xaui(efx); + falcon_reset_xaui(efx); udelay(200); tries--; } - EFX_ERR(efx, "Failed to bring XAUI link back up in %d tries!\n", + EFX_LOG(efx, "Failed to bring XAUI link back up in %d tries!\n", max_tries); return 0; } @@ -572,7 +572,7 @@ int falcon_check_xmac(struct efx_nic *efx) xaui_link_ok = falcon_xaui_link_ok(efx); if (EFX_WORKAROUND_5147(efx) && !xaui_link_ok) - (void) falcon_reset_xaui(efx); + falcon_reset_xaui(efx); /* Call the PHY check_hw routine */ rc = efx->phy_op->check_hw(efx); @@ -639,7 +639,7 @@ int falcon_xmac_set_pause(struct efx_nic *efx, enum efx_fc_type flow_control) reset = ((flow_control & EFX_FC_TX) && !(efx->flow_control & EFX_FC_TX)); if (EFX_WORKAROUND_11482(efx) && reset) { - if (FALCON_REV(efx) >= FALCON_REV_B0) { + if (falcon_rev(efx) >= FALCON_REV_B0) { /* Recover by resetting the EM block */ if (efx->link_up) falcon_drain_tx_fifo(efx); diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h index 59f261b4171..5e20e7551da 100644 --- a/drivers/net/sfc/net_driver.h +++ b/drivers/net/sfc/net_driver.h @@ -42,7 +42,7 @@ #ifndef EFX_DRIVER_NAME #define EFX_DRIVER_NAME "sfc" #endif -#define EFX_DRIVER_VERSION "2.2.0136" +#define EFX_DRIVER_VERSION "2.2" #ifdef EFX_ENABLE_DEBUG #define EFX_BUG_ON_PARANOID(x) BUG_ON(x) @@ -52,28 +52,19 @@ #define EFX_WARN_ON_PARANOID(x) do {} while (0) #endif -#define NET_DEV_REGISTERED(efx) \ - ((efx)->net_dev->reg_state == NETREG_REGISTERED) - -/* Include net device name in log messages if it has been registered. - * Use efx->name not efx->net_dev->name so that races with (un)registration - * are harmless. - */ -#define NET_DEV_NAME(efx) (NET_DEV_REGISTERED(efx) ? (efx)->name : "") - /* Un-rate-limited logging */ #define EFX_ERR(efx, fmt, args...) \ -dev_err(&((efx)->pci_dev->dev), "ERR: %s " fmt, NET_DEV_NAME(efx), ##args) +dev_err(&((efx)->pci_dev->dev), "ERR: %s " fmt, efx_dev_name(efx), ##args) #define EFX_INFO(efx, fmt, args...) \ -dev_info(&((efx)->pci_dev->dev), "INFO: %s " fmt, NET_DEV_NAME(efx), ##args) +dev_info(&((efx)->pci_dev->dev), "INFO: %s " fmt, efx_dev_name(efx), ##args) #ifdef EFX_ENABLE_DEBUG #define EFX_LOG(efx, fmt, args...) \ -dev_info(&((efx)->pci_dev->dev), "DBG: %s " fmt, NET_DEV_NAME(efx), ##args) +dev_info(&((efx)->pci_dev->dev), "DBG: %s " fmt, efx_dev_name(efx), ##args) #else #define EFX_LOG(efx, fmt, args...) \ -dev_dbg(&((efx)->pci_dev->dev), "DBG: %s " fmt, NET_DEV_NAME(efx), ##args) +dev_dbg(&((efx)->pci_dev->dev), "DBG: %s " fmt, efx_dev_name(efx), ##args) #endif #define EFX_TRACE(efx, fmt, args...) do {} while (0) @@ -90,11 +81,6 @@ do {if (net_ratelimit()) EFX_INFO(efx, fmt, ##args); } while (0) #define EFX_LOG_RL(efx, fmt, args...) \ do {if (net_ratelimit()) EFX_LOG(efx, fmt, ##args); } while (0) -/* Kernel headers may redefine inline anyway */ -#ifndef inline -#define inline inline __attribute__ ((always_inline)) -#endif - /************************************************************************** * * Efx data structures @@ -695,7 +681,7 @@ struct efx_nic { struct workqueue_struct *workqueue; struct work_struct reset_work; struct delayed_work monitor_work; - unsigned long membase_phys; + resource_size_t membase_phys; void __iomem *membase; spinlock_t biu_lock; enum efx_int_mode interrupt_mode; @@ -719,7 +705,7 @@ struct efx_nic { unsigned n_rx_nodesc_drop_cnt; - void *nic_data; + struct falcon_nic_data *nic_data; struct mutex mac_lock; int port_enabled; @@ -760,6 +746,20 @@ struct efx_nic { void *loopback_selftest; }; +static inline int efx_dev_registered(struct efx_nic *efx) +{ + return efx->net_dev->reg_state == NETREG_REGISTERED; +} + +/* Net device name, for inclusion in log messages if it has been registered. + * Use efx->name not efx->net_dev->name so that races with (un)registration + * are harmless. + */ +static inline const char *efx_dev_name(struct efx_nic *efx) +{ + return efx_dev_registered(efx) ? efx->name : ""; +} + /** * struct efx_nic_type - Efx device type definition * @mem_bar: Memory BAR number @@ -795,7 +795,7 @@ struct efx_nic_type { unsigned int txd_ring_mask; unsigned int rxd_ring_mask; unsigned int evq_size; - dma_addr_t max_dma_mask; + u64 max_dma_mask; unsigned int tx_dma_mask; unsigned bug5391_mask; diff --git a/drivers/net/sfc/rx.c b/drivers/net/sfc/rx.c index 670622373dd..601b001437c 100644 --- a/drivers/net/sfc/rx.c +++ b/drivers/net/sfc/rx.c @@ -86,14 +86,17 @@ static unsigned int rx_refill_limit = 95; */ #define EFX_RXD_HEAD_ROOM 2 -/* Macros for zero-order pages (potentially) containing multiple RX buffers */ -#define RX_DATA_OFFSET(_data) \ - (((unsigned long) (_data)) & (PAGE_SIZE-1)) -#define RX_BUF_OFFSET(_rx_buf) \ - RX_DATA_OFFSET((_rx_buf)->data) - -#define RX_PAGE_SIZE(_efx) \ - (PAGE_SIZE * (1u << (_efx)->rx_buffer_order)) +static inline unsigned int efx_rx_buf_offset(struct efx_rx_buffer *buf) +{ + /* Offset is always within one page, so we don't need to consider + * the page order. + */ + return (__force unsigned long) buf->data & (PAGE_SIZE - 1); +} +static inline unsigned int efx_rx_buf_size(struct efx_nic *efx) +{ + return PAGE_SIZE << efx->rx_buffer_order; +} /************************************************************************** @@ -106,7 +109,7 @@ static unsigned int rx_refill_limit = 95; static int efx_lro_get_skb_hdr(struct sk_buff *skb, void **ip_hdr, void **tcpudp_hdr, u64 *hdr_flags, void *priv) { - struct efx_channel *channel = (struct efx_channel *)priv; + struct efx_channel *channel = priv; struct iphdr *iph; struct tcphdr *th; @@ -131,12 +134,12 @@ static int efx_get_frag_hdr(struct skb_frag_struct *frag, void **mac_hdr, void **ip_hdr, void **tcpudp_hdr, u64 *hdr_flags, void *priv) { - struct efx_channel *channel = (struct efx_channel *)priv; + struct efx_channel *channel = priv; struct ethhdr *eh; struct iphdr *iph; /* We support EtherII and VLAN encapsulated IPv4 */ - eh = (struct ethhdr *)(page_address(frag->page) + frag->page_offset); + eh = page_address(frag->page) + frag->page_offset; *mac_hdr = eh; if (eh->h_proto == htons(ETH_P_IP)) { @@ -269,7 +272,7 @@ static inline int efx_init_rx_buffer_page(struct efx_rx_queue *rx_queue, return -ENOMEM; dma_addr = pci_map_page(efx->pci_dev, rx_buf->page, - 0, RX_PAGE_SIZE(efx), + 0, efx_rx_buf_size(efx), PCI_DMA_FROMDEVICE); if (unlikely(pci_dma_mapping_error(dma_addr))) { @@ -280,14 +283,14 @@ static inline int efx_init_rx_buffer_page(struct efx_rx_queue *rx_queue, rx_queue->buf_page = rx_buf->page; rx_queue->buf_dma_addr = dma_addr; - rx_queue->buf_data = ((char *) page_address(rx_buf->page) + + rx_queue->buf_data = (page_address(rx_buf->page) + EFX_PAGE_IP_ALIGN); } - offset = RX_DATA_OFFSET(rx_queue->buf_data); rx_buf->len = bytes; - rx_buf->dma_addr = rx_queue->buf_dma_addr + offset; rx_buf->data = rx_queue->buf_data; + offset = efx_rx_buf_offset(rx_buf); + rx_buf->dma_addr = rx_queue->buf_dma_addr + offset; /* Try to pack multiple buffers per page */ if (efx->rx_buffer_order == 0) { @@ -295,7 +298,7 @@ static inline int efx_init_rx_buffer_page(struct efx_rx_queue *rx_queue, rx_queue->buf_data += ((bytes + 0x1ff) & ~0x1ff); offset += ((bytes + 0x1ff) & ~0x1ff); - space = RX_PAGE_SIZE(efx) - offset; + space = efx_rx_buf_size(efx) - offset; if (space >= bytes) { /* Refs dropped on kernel releasing each skb */ get_page(rx_queue->buf_page); @@ -344,7 +347,8 @@ static inline void efx_unmap_rx_buffer(struct efx_nic *efx, EFX_BUG_ON_PARANOID(rx_buf->skb); if (rx_buf->unmap_addr) { pci_unmap_page(efx->pci_dev, rx_buf->unmap_addr, - RX_PAGE_SIZE(efx), PCI_DMA_FROMDEVICE); + efx_rx_buf_size(efx), + PCI_DMA_FROMDEVICE); rx_buf->unmap_addr = 0; } } else if (likely(rx_buf->skb)) { @@ -400,9 +404,10 @@ static int __efx_fast_push_rx_descriptors(struct efx_rx_queue *rx_queue, return 0; /* Record minimum fill level */ - if (unlikely(fill_level < rx_queue->min_fill)) + if (unlikely(fill_level < rx_queue->min_fill)) { if (fill_level) rx_queue->min_fill = fill_level; + } /* Acquire RX add lock. If this lock is contended, then a fast * fill must already be in progress (e.g. in the refill @@ -552,7 +557,7 @@ static inline void efx_rx_packet_lro(struct efx_channel *channel, struct skb_frag_struct frags; frags.page = rx_buf->page; - frags.page_offset = RX_BUF_OFFSET(rx_buf); + frags.page_offset = efx_rx_buf_offset(rx_buf); frags.size = rx_buf->len; lro_receive_frags(lro_mgr, &frags, rx_buf->len, @@ -597,7 +602,7 @@ static inline struct sk_buff *efx_rx_mk_skb(struct efx_rx_buffer *rx_buf, if (unlikely(rx_buf->len > hdr_len)) { struct skb_frag_struct *frag = skb_shinfo(skb)->frags; frag->page = rx_buf->page; - frag->page_offset = RX_BUF_OFFSET(rx_buf) + hdr_len; + frag->page_offset = efx_rx_buf_offset(rx_buf) + hdr_len; frag->size = skb->len - hdr_len; skb_shinfo(skb)->nr_frags = 1; skb->data_len = frag->size; @@ -851,7 +856,8 @@ void efx_fini_rx_queue(struct efx_rx_queue *rx_queue) /* For a page that is part-way through splitting into RX buffers */ if (rx_queue->buf_page != NULL) { pci_unmap_page(rx_queue->efx->pci_dev, rx_queue->buf_dma_addr, - RX_PAGE_SIZE(rx_queue->efx), PCI_DMA_FROMDEVICE); + efx_rx_buf_size(rx_queue->efx), + PCI_DMA_FROMDEVICE); __free_pages(rx_queue->buf_page, rx_queue->efx->rx_buffer_order); rx_queue->buf_page = NULL; diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c index cbda15946e8..3b2de9fe7f2 100644 --- a/drivers/net/sfc/selftest.c +++ b/drivers/net/sfc/selftest.c @@ -290,7 +290,7 @@ void efx_loopback_rx_packet(struct efx_nic *efx, payload = &state->payload; - received = (struct efx_loopback_payload *)(char *) buf_ptr; + received = (struct efx_loopback_payload *) buf_ptr; received->ip.saddr = payload->ip.saddr; received->ip.check = payload->ip.check; @@ -424,10 +424,10 @@ static int efx_tx_loopback(struct efx_tx_queue *tx_queue) * interrupt handler. */ smp_wmb(); - if (NET_DEV_REGISTERED(efx)) + if (efx_dev_registered(efx)) netif_tx_lock_bh(efx->net_dev); rc = efx_xmit(efx, tx_queue, skb); - if (NET_DEV_REGISTERED(efx)) + if (efx_dev_registered(efx)) netif_tx_unlock_bh(efx->net_dev); if (rc != NETDEV_TX_OK) { @@ -453,7 +453,7 @@ static int efx_rx_loopback(struct efx_tx_queue *tx_queue, int tx_done = 0, rx_good, rx_bad; int i, rc = 0; - if (NET_DEV_REGISTERED(efx)) + if (efx_dev_registered(efx)) netif_tx_lock_bh(efx->net_dev); /* Count the number of tx completions, and decrement the refcnt. Any @@ -465,7 +465,7 @@ static int efx_rx_loopback(struct efx_tx_queue *tx_queue, dev_kfree_skb_any(skb); } - if (NET_DEV_REGISTERED(efx)) + if (efx_dev_registered(efx)) netif_tx_unlock_bh(efx->net_dev); /* Check TX completion and received packet counts */ @@ -517,6 +517,8 @@ efx_test_loopback(struct efx_tx_queue *tx_queue, state->packet_count = min(1 << (i << 2), state->packet_count); state->skbs = kzalloc(sizeof(state->skbs[0]) * state->packet_count, GFP_KERNEL); + if (!state->skbs) + return -ENOMEM; state->flush = 0; EFX_LOG(efx, "TX queue %d testing %s loopback with %d " @@ -700,7 +702,7 @@ int efx_offline_test(struct efx_nic *efx, * "flushing" so all inflight packets are dropped */ BUG_ON(efx->loopback_selftest); state->flush = 1; - efx->loopback_selftest = (void *)state; + efx->loopback_selftest = state; rc = efx_test_loopbacks(efx, tests, loopback_modes); diff --git a/drivers/net/sfc/sfe4001.c b/drivers/net/sfc/sfe4001.c index 725d1a539c4..66a0d1442ab 100644 --- a/drivers/net/sfc/sfe4001.c +++ b/drivers/net/sfc/sfe4001.c @@ -116,18 +116,18 @@ void sfe4001_poweroff(struct efx_nic *efx) /* Turn off all power rails */ out = 0xff; - (void) efx_i2c_write(i2c, PCA9539, P0_OUT, &out, 1); + efx_i2c_write(i2c, PCA9539, P0_OUT, &out, 1); /* Disable port 1 outputs on IO expander */ cfg = 0xff; - (void) efx_i2c_write(i2c, PCA9539, P1_CONFIG, &cfg, 1); + efx_i2c_write(i2c, PCA9539, P1_CONFIG, &cfg, 1); /* Disable port 0 outputs on IO expander */ cfg = 0xff; - (void) efx_i2c_write(i2c, PCA9539, P0_CONFIG, &cfg, 1); + efx_i2c_write(i2c, PCA9539, P0_CONFIG, &cfg, 1); /* Clear any over-temperature alert */ - (void) efx_i2c_read(i2c, MAX6647, RSL, &in, 1); + efx_i2c_read(i2c, MAX6647, RSL, &in, 1); } /* The P0_EN_3V3X line on SFE4001 boards (from A2 onward) is connected @@ -253,14 +253,14 @@ done: fail3: /* Turn off all power rails */ out = 0xff; - (void) efx_i2c_write(i2c, PCA9539, P0_OUT, &out, 1); + efx_i2c_write(i2c, PCA9539, P0_OUT, &out, 1); /* Disable port 1 outputs on IO expander */ out = 0xff; - (void) efx_i2c_write(i2c, PCA9539, P1_CONFIG, &out, 1); + efx_i2c_write(i2c, PCA9539, P1_CONFIG, &out, 1); fail2: /* Disable port 0 outputs on IO expander */ out = 0xff; - (void) efx_i2c_write(i2c, PCA9539, P0_CONFIG, &out, 1); + efx_i2c_write(i2c, PCA9539, P0_CONFIG, &out, 1); fail1: return rc; } diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c index b1cd6deec01..c0146061c32 100644 --- a/drivers/net/sfc/tenxpress.c +++ b/drivers/net/sfc/tenxpress.c @@ -211,6 +211,8 @@ static int tenxpress_phy_init(struct efx_nic *efx) int rc = 0; phy_data = kzalloc(sizeof(*phy_data), GFP_KERNEL); + if (!phy_data) + return -ENOMEM; efx->phy_data = phy_data; tenxpress_set_state(efx, TENXPRESS_STATUS_NORMAL); @@ -376,7 +378,7 @@ static void tenxpress_phy_reconfigure(struct efx_nic *efx) * perform a special software reset */ if ((phy_data->tx_disabled && !efx->tx_disabled) || loop_change) { - (void) tenxpress_special_reset(efx); + tenxpress_special_reset(efx); falcon_reset_xaui(efx); } diff --git a/drivers/net/sfc/tx.c b/drivers/net/sfc/tx.c index 9b436f5b488..5cdd082ab8f 100644 --- a/drivers/net/sfc/tx.c +++ b/drivers/net/sfc/tx.c @@ -387,7 +387,7 @@ void efx_xmit_done(struct efx_tx_queue *tx_queue, unsigned int index) if (unlikely(tx_queue->stopped)) { fill_level = tx_queue->insert_count - tx_queue->read_count; if (fill_level < EFX_NETDEV_TX_THRESHOLD(tx_queue)) { - EFX_BUG_ON_PARANOID(!NET_DEV_REGISTERED(efx)); + EFX_BUG_ON_PARANOID(!efx_dev_registered(efx)); /* Do this under netif_tx_lock(), to avoid racing * with efx_xmit(). */ @@ -639,11 +639,12 @@ static void efx_tsoh_block_free(struct efx_tx_queue *tx_queue, base_dma = tsoh->dma_addr & PAGE_MASK; p = &tx_queue->tso_headers_free; - while (*p != NULL) + while (*p != NULL) { if (((unsigned long)*p & PAGE_MASK) == base_kva) *p = (*p)->next; else p = &(*p)->next; + } pci_free_consistent(pci_dev, PAGE_SIZE, (void *)base_kva, base_dma); } @@ -939,9 +940,10 @@ static inline int tso_start_new_packet(struct efx_tx_queue *tx_queue, /* Allocate a DMA-mapped header buffer. */ if (likely(TSOH_SIZE(st->p.header_length) <= TSOH_STD_SIZE)) { - if (tx_queue->tso_headers_free == NULL) + if (tx_queue->tso_headers_free == NULL) { if (efx_tsoh_block_alloc(tx_queue)) return -1; + } EFX_BUG_ON_PARANOID(!tx_queue->tso_headers_free); tsoh = tx_queue->tso_headers_free; tx_queue->tso_headers_free = tsoh->next; @@ -1106,9 +1108,10 @@ static void efx_fini_tso(struct efx_tx_queue *tx_queue) { unsigned i; - if (tx_queue->buffer) + if (tx_queue->buffer) { for (i = 0; i <= tx_queue->efx->type->txd_ring_mask; ++i) efx_tsoh_free(tx_queue, &tx_queue->buffer[i]); + } while (tx_queue->tso_headers_free != NULL) efx_tsoh_block_free(tx_queue, tx_queue->tso_headers_free, diff --git a/drivers/net/sfc/workarounds.h b/drivers/net/sfc/workarounds.h index dca62f19019..35ab19c27f8 100644 --- a/drivers/net/sfc/workarounds.h +++ b/drivers/net/sfc/workarounds.h @@ -16,7 +16,7 @@ */ #define EFX_WORKAROUND_ALWAYS(efx) 1 -#define EFX_WORKAROUND_FALCON_A(efx) (FALCON_REV(efx) <= FALCON_REV_A1) +#define EFX_WORKAROUND_FALCON_A(efx) (falcon_rev(efx) <= FALCON_REV_A1) /* XAUI resets if link not detected */ #define EFX_WORKAROUND_5147 EFX_WORKAROUND_ALWAYS diff --git a/drivers/net/sfc/xfp_phy.c b/drivers/net/sfc/xfp_phy.c index 3b9f9ddbc37..f3684ad2888 100644 --- a/drivers/net/sfc/xfp_phy.c +++ b/drivers/net/sfc/xfp_phy.c @@ -85,7 +85,9 @@ static int xfp_phy_init(struct efx_nic *efx) int rc; phy_data = kzalloc(sizeof(struct xfp_phy_data), GFP_KERNEL); - efx->phy_data = (void *) phy_data; + if (!phy_data) + return -ENOMEM; + efx->phy_data = phy_data; EFX_INFO(efx, "XFP: PHY ID reg %x (OUI %x model %x revision" " %x)\n", devid, MDIO_ID_OUI(devid), MDIO_ID_MODEL(devid), diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index f226bcac7d1..c8a5ef2d75f 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -118,6 +118,7 @@ static const struct pci_device_id sky2_id_table[] = { { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4352) }, /* 88E8038 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4353) }, /* 88E8039 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4354) }, /* 88E8040 */ + { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4355) }, /* 88E8040T */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4356) }, /* 88EC033 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x4357) }, /* 88E8042 */ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, 0x435A) }, /* 88E8048 */ @@ -1159,17 +1160,9 @@ static int sky2_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) } #ifdef SKY2_VLAN_TAG_USED -static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) +static void sky2_set_vlan_mode(struct sky2_hw *hw, u16 port, bool onoff) { - struct sky2_port *sky2 = netdev_priv(dev); - struct sky2_hw *hw = sky2->hw; - u16 port = sky2->port; - - netif_tx_lock_bh(dev); - napi_disable(&hw->napi); - - sky2->vlgrp = grp; - if (grp) { + if (onoff) { sky2_write32(hw, SK_REG(port, RX_GMF_CTRL_T), RX_VLAN_STRIP_ON); sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), @@ -1180,6 +1173,19 @@ static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp sky2_write32(hw, SK_REG(port, TX_GMF_CTRL_T), TX_VLAN_TAG_OFF); } +} + +static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp) +{ + struct sky2_port *sky2 = netdev_priv(dev); + struct sky2_hw *hw = sky2->hw; + u16 port = sky2->port; + + netif_tx_lock_bh(dev); + napi_disable(&hw->napi); + + sky2->vlgrp = grp; + sky2_set_vlan_mode(hw, port, grp != NULL); sky2_read32(hw, B0_Y2_SP_LISR); napi_enable(&hw->napi); @@ -1418,6 +1424,10 @@ static int sky2_up(struct net_device *dev) sky2_prefetch_init(hw, txqaddr[port], sky2->tx_le_map, TX_RING_SIZE - 1); +#ifdef SKY2_VLAN_TAG_USED + sky2_set_vlan_mode(hw, port, sky2->vlgrp != NULL); +#endif + err = sky2_rx_start(sky2); if (err) goto err_out; @@ -4395,7 +4405,9 @@ static int sky2_resume(struct pci_dev *pdev) if (err) { printk(KERN_ERR PFX "%s: could not up: %d\n", dev->name, err); + rtnl_lock(); dev_close(dev); + rtnl_unlock(); goto out; } } diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c index 4e280020518..e2ee91a6ae7 100644 --- a/drivers/net/smc911x.c +++ b/drivers/net/smc911x.c @@ -136,7 +136,6 @@ struct smc911x_local { /* work queue */ struct work_struct phy_configure; - int work_pending; int tx_throttle; spinlock_t lock; @@ -960,11 +959,11 @@ static void smc911x_phy_configure(struct work_struct *work) * We should not be called if phy_type is zero. */ if (lp->phy_type == 0) - goto smc911x_phy_configure_exit_nolock; + return; if (smc911x_phy_reset(dev, phyaddr)) { printk("%s: PHY reset timed out\n", dev->name); - goto smc911x_phy_configure_exit_nolock; + return; } spin_lock_irqsave(&lp->lock, flags); @@ -1033,8 +1032,6 @@ static void smc911x_phy_configure(struct work_struct *work) smc911x_phy_configure_exit: spin_unlock_irqrestore(&lp->lock, flags); -smc911x_phy_configure_exit_nolock: - lp->work_pending = 0; } /* @@ -1356,11 +1353,8 @@ static void smc911x_timeout(struct net_device *dev) * smc911x_phy_configure() calls msleep() which calls schedule_timeout() * which calls schedule(). Hence we use a work queue. */ - if (lp->phy_type != 0) { - if (schedule_work(&lp->phy_configure)) { - lp->work_pending = 1; - } - } + if (lp->phy_type != 0) + schedule_work(&lp->phy_configure); /* We can accept TX packets again */ dev->trans_start = jiffies; @@ -1531,16 +1525,8 @@ static int smc911x_close(struct net_device *dev) if (lp->phy_type != 0) { /* We need to ensure that no calls to * smc911x_phy_configure are pending. - - * flush_scheduled_work() cannot be called because we - * are running with the netlink semaphore held (from - * devinet_ioctl()) and the pending work queue - * contains linkwatch_event() (scheduled by - * netif_carrier_off() above). linkwatch_event() also - * wants the netlink semaphore. */ - while (lp->work_pending) - schedule(); + cancel_work_sync(&lp->phy_configure); smc911x_phy_powerdown(dev, lp->mii.phy_id); } diff --git a/drivers/net/smc91x.c b/drivers/net/smc91x.c index a188e33484e..f2051b209da 100644 --- a/drivers/net/smc91x.c +++ b/drivers/net/smc91x.c @@ -1016,15 +1016,8 @@ static void smc_phy_powerdown(struct net_device *dev) /* We need to ensure that no calls to smc_phy_configure are pending. - - flush_scheduled_work() cannot be called because we are - running with the netlink semaphore held (from - devinet_ioctl()) and the pending work queue contains - linkwatch_event() (scheduled by netif_carrier_off() - above). linkwatch_event() also wants the netlink semaphore. */ - while(lp->work_pending) - yield(); + cancel_work_sync(&lp->phy_configure); bmcr = smc_phy_read(dev, phy, MII_BMCR); smc_phy_write(dev, phy, MII_BMCR, bmcr | BMCR_PDOWN); @@ -1161,7 +1154,6 @@ static void smc_phy_configure(struct work_struct *work) smc_phy_configure_exit: SMC_SELECT_BANK(lp, 2); spin_unlock_irq(&lp->lock); - lp->work_pending = 0; } /* @@ -1389,11 +1381,8 @@ static void smc_timeout(struct net_device *dev) * smc_phy_configure() calls msleep() which calls schedule_timeout() * which calls schedule(). Hence we use a work queue. */ - if (lp->phy_type != 0) { - if (schedule_work(&lp->phy_configure)) { - lp->work_pending = 1; - } - } + if (lp->phy_type != 0) + schedule_work(&lp->phy_configure); /* We can accept TX packets again */ dev->trans_start = jiffies; diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h index 69e97a1cb1c..8606818653f 100644 --- a/drivers/net/smc91x.h +++ b/drivers/net/smc91x.h @@ -93,14 +93,14 @@ #define SMC_insw(a, r, p, l) insw ((unsigned long *)((a) + (r)), p, l) # endif /* check if the mac in reg is valid */ -#define SMC_GET_MAC_ADDR(addr) \ +#define SMC_GET_MAC_ADDR(lp, addr) \ do { \ unsigned int __v; \ - __v = SMC_inw(ioaddr, ADDR0_REG); \ + __v = SMC_inw(ioaddr, ADDR0_REG(lp)); \ addr[0] = __v; addr[1] = __v >> 8; \ - __v = SMC_inw(ioaddr, ADDR1_REG); \ + __v = SMC_inw(ioaddr, ADDR1_REG(lp)); \ addr[2] = __v; addr[3] = __v >> 8; \ - __v = SMC_inw(ioaddr, ADDR2_REG); \ + __v = SMC_inw(ioaddr, ADDR2_REG(lp)); \ addr[4] = __v; addr[5] = __v >> 8; \ if (*(u32 *)(&addr[0]) == 0xFFFFFFFF) { \ random_ether_addr(addr); \ diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c index b4e7f30ea4e..1aa425be306 100644 --- a/drivers/net/sunhme.c +++ b/drivers/net/sunhme.c @@ -111,7 +111,7 @@ static __inline__ void tx_add_log(struct happy_meal *hp, unsigned int a, unsigne struct hme_tx_logent *tlp; unsigned long flags; - save_and_cli(flags); + local_irq_save(flags); tlp = &tx_log[txlog_cur_entry]; tlp->tstamp = (unsigned int)jiffies; tlp->tx_new = hp->tx_new; @@ -119,7 +119,7 @@ static __inline__ void tx_add_log(struct happy_meal *hp, unsigned int a, unsigne tlp->action = a; tlp->status = s; txlog_cur_entry = (txlog_cur_entry + 1) & (TX_LOG_LEN - 1); - restore_flags(flags); + local_irq_restore(flags); } static __inline__ void tx_dump_log(void) { diff --git a/drivers/net/tc35815.c b/drivers/net/tc35815.c index 10e4e85da3f..b07b8cbadea 100644 --- a/drivers/net/tc35815.c +++ b/drivers/net/tc35815.c @@ -1394,6 +1394,7 @@ tc35815_open(struct net_device *dev) tc35815_chip_init(dev); spin_unlock_irq(&lp->lock); + netif_carrier_off(dev); /* schedule a link state check */ phy_start(lp->phy_dev); @@ -1735,7 +1736,6 @@ tc35815_rx(struct net_device *dev) skb = lp->rx_skbs[cur_bd].skb; prefetch(skb->data); lp->rx_skbs[cur_bd].skb = NULL; - lp->fbl_count--; pci_unmap_single(lp->pci_dev, lp->rx_skbs[cur_bd].skb_dma, RX_BUF_SIZE, PCI_DMA_FROMDEVICE); @@ -1791,6 +1791,7 @@ tc35815_rx(struct net_device *dev) #ifdef TC35815_USE_PACKEDBUFFER while (lp->fbl_curid != id) #else + lp->fbl_count--; while (lp->fbl_count < RX_BUF_NUM) #endif { @@ -2453,6 +2454,7 @@ static int tc35815_resume(struct pci_dev *pdev) return 0; pci_set_power_state(pdev, PCI_D0); tc35815_restart(dev); + netif_carrier_off(dev); if (lp->phy_dev) phy_start(lp->phy_dev); netif_device_attach(dev); diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 07b3f77e762..cc4bde85254 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -64,8 +64,8 @@ #define DRV_MODULE_NAME "tg3" #define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "3.92" -#define DRV_MODULE_RELDATE "May 2, 2008" +#define DRV_MODULE_VERSION "3.92.1" +#define DRV_MODULE_RELDATE "June 9, 2008" #define TG3_DEF_MAC_MODE 0 #define TG3_DEF_RX_MODE 0 @@ -1295,6 +1295,21 @@ static void tg3_frob_aux_power(struct tg3 *tp) GRC_LCLCTRL_GPIO_OUTPUT0 | GRC_LCLCTRL_GPIO_OUTPUT1), 100); + } else if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761) { + /* The 5761 non-e device swaps GPIO 0 and GPIO 2. */ + u32 grc_local_ctrl = GRC_LCLCTRL_GPIO_OE0 | + GRC_LCLCTRL_GPIO_OE1 | + GRC_LCLCTRL_GPIO_OE2 | + GRC_LCLCTRL_GPIO_OUTPUT0 | + GRC_LCLCTRL_GPIO_OUTPUT1 | + tp->grc_local_ctrl; + tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100); + + grc_local_ctrl |= GRC_LCLCTRL_GPIO_OUTPUT2; + tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100); + + grc_local_ctrl &= ~GRC_LCLCTRL_GPIO_OUTPUT0; + tw32_wait_f(GRC_LOCAL_CTRL, grc_local_ctrl, 100); } else { u32 no_gpio2; u32 grc_local_ctrl = 0; @@ -3168,8 +3183,7 @@ static int tg3_setup_fiber_mii_phy(struct tg3 *tp, int force_reset) err |= tg3_readphy(tp, MII_BMCR, &bmcr); if ((tp->link_config.autoneg == AUTONEG_ENABLE) && !force_reset && - (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT) && - tp->link_config.flowctrl == tp->link_config.active_flowctrl) { + (tp->tg3_flags2 & TG3_FLG2_PARALLEL_DETECT)) { /* do nothing, just check for link up at the end */ } else if (tp->link_config.autoneg == AUTONEG_ENABLE) { u32 adv, new_adv; @@ -8599,7 +8613,7 @@ static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) (cmd->speed == SPEED_1000)) return -EINVAL; else if ((cmd->speed == SPEED_1000) && - (tp->tg3_flags2 & TG3_FLAG_10_100_ONLY)) + (tp->tg3_flags & TG3_FLAG_10_100_ONLY)) return -EINVAL; tg3_full_lock(tp, 0); @@ -11768,6 +11782,15 @@ static int __devinit tg3_get_invariants(struct tg3 *tp) if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5755) tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL; + if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761) { + /* Turn off the debug UART. */ + tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_UART_SEL; + if (tp->tg3_flags2 & TG3_FLG2_IS_NIC) + /* Keep VMain power. */ + tp->grc_local_ctrl |= GRC_LCLCTRL_GPIO_OE0 | + GRC_LCLCTRL_GPIO_OUTPUT0; + } + /* Force the chip into D0. */ err = tg3_set_power_state(tp, PCI_D0); if (err) { diff --git a/drivers/net/tokenring/3c359.h b/drivers/net/tokenring/3c359.h index b880cba0f6f..74cf8e1a181 100644 --- a/drivers/net/tokenring/3c359.h +++ b/drivers/net/tokenring/3c359.h @@ -264,7 +264,7 @@ struct xl_private { u16 asb; u8 __iomem *xl_mmio; - char *xl_card_name; + const char *xl_card_name; struct pci_dev *pdev ; spinlock_t xl_lock ; diff --git a/drivers/net/tokenring/olympic.h b/drivers/net/tokenring/olympic.h index c91956310fb..10fbba08978 100644 --- a/drivers/net/tokenring/olympic.h +++ b/drivers/net/tokenring/olympic.h @@ -254,7 +254,7 @@ struct olympic_private { u8 __iomem *olympic_mmio; u8 __iomem *olympic_lap; struct pci_dev *pdev ; - char *olympic_card_name ; + const char *olympic_card_name; spinlock_t olympic_lock ; diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c index f9d13fa05d6..af8d2c436ef 100644 --- a/drivers/net/tulip/tulip_core.c +++ b/drivers/net/tulip/tulip_core.c @@ -731,7 +731,7 @@ static void tulip_down (struct net_device *dev) void __iomem *ioaddr = tp->base_addr; unsigned long flags; - flush_scheduled_work(); + cancel_work_sync(&tp->media_work); #ifdef CONFIG_TULIP_NAPI napi_disable(&tp->napi); @@ -1729,12 +1729,15 @@ static int tulip_suspend (struct pci_dev *pdev, pm_message_t state) if (!dev) return -EINVAL; - if (netif_running(dev)) - tulip_down(dev); + if (!netif_running(dev)) + goto save_state; + + tulip_down(dev); netif_device_detach(dev); free_irq(dev->irq, dev); +save_state: pci_save_state(pdev); pci_disable_device(pdev); pci_set_power_state(pdev, pci_choose_state(pdev, state)); @@ -1754,6 +1757,9 @@ static int tulip_resume(struct pci_dev *pdev) pci_set_power_state(pdev, PCI_D0); pci_restore_state(pdev); + if (!netif_running(dev)) + return 0; + if ((retval = pci_enable_device(pdev))) { printk (KERN_ERR "tulip: pci_enable_device failed in resume\n"); return retval; diff --git a/drivers/net/tulip/uli526x.c b/drivers/net/tulip/uli526x.c index 2511ca7a12a..e9e62862163 100644 --- a/drivers/net/tulip/uli526x.c +++ b/drivers/net/tulip/uli526x.c @@ -225,6 +225,9 @@ static void uli526x_set_filter_mode(struct net_device *); static const struct ethtool_ops netdev_ethtool_ops; static u16 read_srom_word(long, int); static irqreturn_t uli526x_interrupt(int, void *); +#ifdef CONFIG_NET_POLL_CONTROLLER +static void uli526x_poll(struct net_device *dev); +#endif static void uli526x_descriptor_init(struct uli526x_board_info *, unsigned long); static void allocate_rx_buffer(struct uli526x_board_info *); static void update_cr6(u32, unsigned long); @@ -339,6 +342,9 @@ static int __devinit uli526x_init_one (struct pci_dev *pdev, dev->get_stats = &uli526x_get_stats; dev->set_multicast_list = &uli526x_set_filter_mode; dev->ethtool_ops = &netdev_ethtool_ops; +#ifdef CONFIG_NET_POLL_CONTROLLER + dev->poll_controller = &uli526x_poll; +#endif spin_lock_init(&db->lock); @@ -681,8 +687,9 @@ static irqreturn_t uli526x_interrupt(int irq, void *dev_id) db->cr5_data = inl(ioaddr + DCR5); outl(db->cr5_data, ioaddr + DCR5); if ( !(db->cr5_data & 0x180c1) ) { - spin_unlock_irqrestore(&db->lock, flags); + /* Restore CR7 to enable interrupt mask */ outl(db->cr7_data, ioaddr + DCR7); + spin_unlock_irqrestore(&db->lock, flags); return IRQ_HANDLED; } @@ -715,6 +722,13 @@ static irqreturn_t uli526x_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } +#ifdef CONFIG_NET_POLL_CONTROLLER +static void uli526x_poll(struct net_device *dev) +{ + /* ISR grabs the irqsave lock, so this should be safe */ + uli526x_interrupt(dev->irq, dev); +} +#endif /* * Free TX resource after TX complete diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 0ce07a339c7..7ab94c825b5 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -313,6 +313,21 @@ static __inline__ ssize_t tun_get_user(struct tun_struct *tun, struct iovec *iv, switch (tun->flags & TUN_TYPE_MASK) { case TUN_TUN_DEV: + if (tun->flags & TUN_NO_PI) { + switch (skb->data[0] & 0xf0) { + case 0x40: + pi.proto = htons(ETH_P_IP); + break; + case 0x60: + pi.proto = htons(ETH_P_IPV6); + break; + default: + tun->dev->stats.rx_dropped++; + kfree_skb(skb); + return -EINVAL; + } + } + skb_reset_mac_header(skb); skb->protocol = pi.proto; skb->dev = tun->dev; diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index ca0bdac07a7..fb0b918e5cc 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -237,7 +237,7 @@ static struct sk_buff *get_new_skb(struct ucc_geth_private *ugeth, skb->dev = ugeth->dev; out_be32(&((struct qe_bd __iomem *)bd)->buf, - dma_map_single(NULL, + dma_map_single(&ugeth->dev->dev, skb->data, ugeth->ug_info->uf_info.max_rx_buf_length + UCC_GETH_RX_DATA_BUF_ALIGNMENT, @@ -2158,7 +2158,7 @@ static void ucc_geth_memclean(struct ucc_geth_private *ugeth) continue; for (j = 0; j < ugeth->ug_info->bdRingLenTx[i]; j++) { if (ugeth->tx_skbuff[i][j]) { - dma_unmap_single(NULL, + dma_unmap_single(&ugeth->dev->dev, in_be32(&((struct qe_bd __iomem *)bd)->buf), (in_be32((u32 __iomem *)bd) & BD_LENGTH_MASK), @@ -2186,7 +2186,7 @@ static void ucc_geth_memclean(struct ucc_geth_private *ugeth) bd = ugeth->p_rx_bd_ring[i]; for (j = 0; j < ugeth->ug_info->bdRingLenRx[i]; j++) { if (ugeth->rx_skbuff[i][j]) { - dma_unmap_single(NULL, + dma_unmap_single(&ugeth->dev->dev, in_be32(&((struct qe_bd __iomem *)bd)->buf), ugeth->ug_info-> uf_info.max_rx_buf_length + @@ -3406,7 +3406,8 @@ static int ucc_geth_start_xmit(struct sk_buff *skb, struct net_device *dev) /* set up the buffer descriptor */ out_be32(&((struct qe_bd __iomem *)bd)->buf, - dma_map_single(NULL, skb->data, skb->len, DMA_TO_DEVICE)); + dma_map_single(&ugeth->dev->dev, skb->data, + skb->len, DMA_TO_DEVICE)); /* printk(KERN_DEBUG"skb->data is 0x%x\n",skb->data); */ diff --git a/drivers/net/ucc_geth_ethtool.c b/drivers/net/ucc_geth_ethtool.c index 299b7f17695..f5839c4a5cb 100644 --- a/drivers/net/ucc_geth_ethtool.c +++ b/drivers/net/ucc_geth_ethtool.c @@ -73,6 +73,7 @@ static char tx_fw_stat_gstrings[][ETH_GSTRING_LEN] = { "tx-frames-ok", "tx-excessive-differ-frames", "tx-256-511-frames", + "tx-512-1023-frames", "tx-1024-1518-frames", "tx-jumbo-frames", }; @@ -308,7 +309,7 @@ static void uec_get_strings(struct net_device *netdev, u32 stringset, u8 *buf) buf += UEC_TX_FW_STATS_LEN * ETH_GSTRING_LEN; } if (stats_mode & UCC_GETH_STATISTICS_GATHERING_MODE_FIRMWARE_RX) - memcpy(buf, tx_fw_stat_gstrings, UEC_RX_FW_STATS_LEN * + memcpy(buf, rx_fw_stat_gstrings, UEC_RX_FW_STATS_LEN * ETH_GSTRING_LEN); } diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c index dc6f097062d..37ecf845edf 100644 --- a/drivers/net/usb/asix.c +++ b/drivers/net/usb/asix.c @@ -1440,6 +1440,10 @@ static const struct usb_device_id products [] = { // Belkin F5D5055 USB_DEVICE(0x050d, 0x5055), .driver_info = (unsigned long) &ax88178_info, +}, { + // Apple USB Ethernet Adapter + USB_DEVICE(0x05ac, 0x1402), + .driver_info = (unsigned long) &ax88772_info, }, { }, // END }; diff --git a/drivers/net/usb/kaweth.c b/drivers/net/usb/kaweth.c index 0dcfc031026..7c66b052f55 100644 --- a/drivers/net/usb/kaweth.c +++ b/drivers/net/usb/kaweth.c @@ -706,7 +706,7 @@ static void kaweth_kill_urbs(struct kaweth_device *kaweth) usb_kill_urb(kaweth->rx_urb); usb_kill_urb(kaweth->tx_urb); - flush_scheduled_work(); + cancel_delayed_work_sync(&kaweth->lowmem_work); /* a scheduled work may have resubmitted, we hit them again */ diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c index 3969b7a2b8e..ae467f182c4 100644 --- a/drivers/net/usb/rndis_host.c +++ b/drivers/net/usb/rndis_host.c @@ -194,7 +194,7 @@ int rndis_command(struct usbnet *dev, struct rndis_msg_hdr *buf) dev_dbg(&info->control->dev, "rndis response error, code %d\n", retval); } - msleep(2); + msleep(20); } dev_dbg(&info->control->dev, "rndis response timeout\n"); return -ETIMEDOUT; diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index f926b5ab3d0..4452306d532 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -44,9 +44,16 @@ struct virtnet_info /* The skb we couldn't send because buffers were full. */ struct sk_buff *last_xmit_skb; + /* If we need to free in a timer, this is it. */ + struct timer_list xmit_free_timer; + /* Number of input buffers, and max we've ever had. */ unsigned int num, max; + /* For cleaning up after transmission. */ + struct tasklet_struct tasklet; + bool free_in_tasklet; + /* Receive & send queues. */ struct sk_buff_head recv; struct sk_buff_head send; @@ -68,8 +75,13 @@ static void skb_xmit_done(struct virtqueue *svq) /* Suppress further interrupts. */ svq->vq_ops->disable_cb(svq); - /* We were waiting for more output buffers. */ + + /* We were probably waiting for more output buffers. */ netif_wake_queue(vi->dev); + + /* Make sure we re-xmit last_xmit_skb: if there are no more packets + * queued, start_xmit won't be called. */ + tasklet_schedule(&vi->tasklet); } static void receive_skb(struct net_device *dev, struct sk_buff *skb, @@ -86,9 +98,7 @@ static void receive_skb(struct net_device *dev, struct sk_buff *skb, BUG_ON(len > MAX_PACKET_LEN); skb_trim(skb, len); - skb->protocol = eth_type_trans(skb, dev); - pr_debug("Receiving skb proto 0x%04x len %i type %i\n", - ntohs(skb->protocol), skb->len, skb->pkt_type); + dev->stats.rx_bytes += skb->len; dev->stats.rx_packets++; @@ -98,6 +108,10 @@ static void receive_skb(struct net_device *dev, struct sk_buff *skb, goto frame_err; } + skb->protocol = eth_type_trans(skb, dev); + pr_debug("Receiving skb proto 0x%04x len %i type %i\n", + ntohs(skb->protocol), skb->len, skb->pkt_type); + if (hdr->gso_type != VIRTIO_NET_HDR_GSO_NONE) { pr_debug("GSO!\n"); switch (hdr->gso_type & ~VIRTIO_NET_HDR_GSO_ECN) { @@ -230,9 +244,25 @@ static void free_old_xmit_skbs(struct virtnet_info *vi) } } +/* If the virtio transport doesn't always notify us when all in-flight packets + * are consumed, we fall back to using this function on a timer to free them. */ +static void xmit_free(unsigned long data) +{ + struct virtnet_info *vi = (void *)data; + + netif_tx_lock(vi->dev); + + free_old_xmit_skbs(vi); + + if (!skb_queue_empty(&vi->send)) + mod_timer(&vi->xmit_free_timer, jiffies + (HZ/10)); + + netif_tx_unlock(vi->dev); +} + static int xmit_skb(struct virtnet_info *vi, struct sk_buff *skb) { - int num; + int num, err; struct scatterlist sg[2+MAX_SKB_FRAGS]; struct virtio_net_hdr *hdr; const unsigned char *dest = ((struct ethhdr *)skb->data)->h_dest; @@ -275,7 +305,25 @@ static int xmit_skb(struct virtnet_info *vi, struct sk_buff *skb) vnet_hdr_to_sg(sg, skb); num = skb_to_sgvec(skb, sg+1, 0, skb->len) + 1; - return vi->svq->vq_ops->add_buf(vi->svq, sg, num, 0, skb); + err = vi->svq->vq_ops->add_buf(vi->svq, sg, num, 0, skb); + if (!err && !vi->free_in_tasklet) + mod_timer(&vi->xmit_free_timer, jiffies + (HZ/10)); + + return err; +} + +static void xmit_tasklet(unsigned long data) +{ + struct virtnet_info *vi = (void *)data; + + netif_tx_lock_bh(vi->dev); + if (vi->last_xmit_skb && xmit_skb(vi, vi->last_xmit_skb) == 0) { + vi->svq->vq_ops->kick(vi->svq); + vi->last_xmit_skb = NULL; + } + if (vi->free_in_tasklet) + free_old_xmit_skbs(vi); + netif_tx_unlock_bh(vi->dev); } static int start_xmit(struct sk_buff *skb, struct net_device *dev) @@ -287,21 +335,25 @@ again: free_old_xmit_skbs(vi); /* If we has a buffer left over from last time, send it now. */ - if (vi->last_xmit_skb) { + if (unlikely(vi->last_xmit_skb)) { if (xmit_skb(vi, vi->last_xmit_skb) != 0) { /* Drop this skb: we only queue one. */ vi->dev->stats.tx_dropped++; kfree_skb(skb); + skb = NULL; goto stop_queue; } vi->last_xmit_skb = NULL; } /* Put new one in send queue and do transmit */ - __skb_queue_head(&vi->send, skb); - if (xmit_skb(vi, skb) != 0) { - vi->last_xmit_skb = skb; - goto stop_queue; + if (likely(skb)) { + __skb_queue_head(&vi->send, skb); + if (xmit_skb(vi, skb) != 0) { + vi->last_xmit_skb = skb; + skb = NULL; + goto stop_queue; + } } done: vi->svq->vq_ops->kick(vi->svq); @@ -411,6 +463,10 @@ static int virtnet_probe(struct virtio_device *vdev) vi->vdev = vdev; vdev->priv = vi; + /* If they give us a callback when all buffers are done, we don't need + * the timer. */ + vi->free_in_tasklet = virtio_has_feature(vdev,VIRTIO_F_NOTIFY_ON_EMPTY); + /* We expect two virtqueues, receive then send. */ vi->rvq = vdev->config->find_vq(vdev, 0, skb_recv_done); if (IS_ERR(vi->rvq)) { @@ -428,6 +484,11 @@ static int virtnet_probe(struct virtio_device *vdev) skb_queue_head_init(&vi->recv); skb_queue_head_init(&vi->send); + tasklet_init(&vi->tasklet, xmit_tasklet, (unsigned long)vi); + + if (!vi->free_in_tasklet) + setup_timer(&vi->xmit_free_timer, xmit_free, (unsigned long)vi); + err = register_netdev(dev); if (err) { pr_debug("virtio_net: registering device failed\n"); @@ -465,13 +526,15 @@ static void virtnet_remove(struct virtio_device *vdev) /* Stop all the virtqueues. */ vdev->config->reset(vdev); + if (!vi->free_in_tasklet) + del_timer_sync(&vi->xmit_free_timer); + /* Free our skbs in send and recv queues, if any. */ while ((skb = __skb_dequeue(&vi->recv)) != NULL) { kfree_skb(skb); vi->num--; } - while ((skb = __skb_dequeue(&vi->send)) != NULL) - kfree_skb(skb); + __skb_queue_purge(&vi->send); BUG_ON(vi->num != 0); @@ -489,7 +552,7 @@ static struct virtio_device_id id_table[] = { static unsigned int features[] = { VIRTIO_NET_F_CSUM, VIRTIO_NET_F_GSO, VIRTIO_NET_F_MAC, VIRTIO_NET_F_HOST_TSO4, VIRTIO_NET_F_HOST_UFO, VIRTIO_NET_F_HOST_TSO6, - VIRTIO_NET_F_HOST_ECN, + VIRTIO_NET_F_HOST_ECN, VIRTIO_F_NOTIFY_ON_EMPTY, }; static struct virtio_driver virtio_net = { diff --git a/drivers/net/wan/hdlc.c b/drivers/net/wan/hdlc.c index 9a83c9d5b8c..7f984895b0d 100644 --- a/drivers/net/wan/hdlc.c +++ b/drivers/net/wan/hdlc.c @@ -43,8 +43,7 @@ static const char* version = "HDLC support module revision 1.22"; #undef DEBUG_LINK -static struct hdlc_proto *first_proto = NULL; - +static struct hdlc_proto *first_proto; static int hdlc_change_mtu(struct net_device *dev, int new_mtu) { @@ -314,21 +313,25 @@ void detach_hdlc_protocol(struct net_device *dev) void register_hdlc_protocol(struct hdlc_proto *proto) { + rtnl_lock(); proto->next = first_proto; first_proto = proto; + rtnl_unlock(); } void unregister_hdlc_protocol(struct hdlc_proto *proto) { - struct hdlc_proto **p = &first_proto; - while (*p) { - if (*p == proto) { - *p = proto->next; - return; - } + struct hdlc_proto **p; + + rtnl_lock(); + p = &first_proto; + while (*p != proto) { + BUG_ON(!*p); p = &((*p)->next); } + *p = proto->next; + rtnl_unlock(); } diff --git a/drivers/net/wan/hdlc_cisco.c b/drivers/net/wan/hdlc_cisco.c index 7133c688cf2..762d21c1c70 100644 --- a/drivers/net/wan/hdlc_cisco.c +++ b/drivers/net/wan/hdlc_cisco.c @@ -56,6 +56,7 @@ struct cisco_state { cisco_proto settings; struct timer_list timer; + spinlock_t lock; unsigned long last_poll; int up; int request_sent; @@ -158,6 +159,7 @@ static int cisco_rx(struct sk_buff *skb) { struct net_device *dev = skb->dev; hdlc_device *hdlc = dev_to_hdlc(dev); + struct cisco_state *st = state(hdlc); struct hdlc_header *data = (struct hdlc_header*)skb->data; struct cisco_packet *cisco_data; struct in_device *in_dev; @@ -220,11 +222,12 @@ static int cisco_rx(struct sk_buff *skb) goto rx_error; case CISCO_KEEPALIVE_REQ: - state(hdlc)->rxseq = ntohl(cisco_data->par1); - if (state(hdlc)->request_sent && - ntohl(cisco_data->par2) == state(hdlc)->txseq) { - state(hdlc)->last_poll = jiffies; - if (!state(hdlc)->up) { + spin_lock(&st->lock); + st->rxseq = ntohl(cisco_data->par1); + if (st->request_sent && + ntohl(cisco_data->par2) == st->txseq) { + st->last_poll = jiffies; + if (!st->up) { u32 sec, min, hrs, days; sec = ntohl(cisco_data->time) / 1000; min = sec / 60; sec -= min * 60; @@ -232,12 +235,12 @@ static int cisco_rx(struct sk_buff *skb) days = hrs / 24; hrs -= days * 24; printk(KERN_INFO "%s: Link up (peer " "uptime %ud%uh%um%us)\n", - dev->name, days, hrs, - min, sec); + dev->name, days, hrs, min, sec); netif_dormant_off(dev); - state(hdlc)->up = 1; + st->up = 1; } } + spin_unlock(&st->lock); dev_kfree_skb_any(skb); return NET_RX_SUCCESS; @@ -261,24 +264,25 @@ static void cisco_timer(unsigned long arg) { struct net_device *dev = (struct net_device *)arg; hdlc_device *hdlc = dev_to_hdlc(dev); + struct cisco_state *st = state(hdlc); - if (state(hdlc)->up && - time_after(jiffies, state(hdlc)->last_poll + - state(hdlc)->settings.timeout * HZ)) { - state(hdlc)->up = 0; + spin_lock(&st->lock); + if (st->up && + time_after(jiffies, st->last_poll + st->settings.timeout * HZ)) { + st->up = 0; printk(KERN_INFO "%s: Link down\n", dev->name); netif_dormant_on(dev); } - cisco_keepalive_send(dev, CISCO_KEEPALIVE_REQ, - htonl(++state(hdlc)->txseq), - htonl(state(hdlc)->rxseq)); - state(hdlc)->request_sent = 1; - state(hdlc)->timer.expires = jiffies + - state(hdlc)->settings.interval * HZ; - state(hdlc)->timer.function = cisco_timer; - state(hdlc)->timer.data = arg; - add_timer(&state(hdlc)->timer); + cisco_keepalive_send(dev, CISCO_KEEPALIVE_REQ, htonl(++st->txseq), + htonl(st->rxseq)); + st->request_sent = 1; + spin_unlock(&st->lock); + + st->timer.expires = jiffies + st->settings.interval * HZ; + st->timer.function = cisco_timer; + st->timer.data = arg; + add_timer(&st->timer); } @@ -286,15 +290,20 @@ static void cisco_timer(unsigned long arg) static void cisco_start(struct net_device *dev) { hdlc_device *hdlc = dev_to_hdlc(dev); - state(hdlc)->up = 0; - state(hdlc)->request_sent = 0; - state(hdlc)->txseq = state(hdlc)->rxseq = 0; - - init_timer(&state(hdlc)->timer); - state(hdlc)->timer.expires = jiffies + HZ; /*First poll after 1s*/ - state(hdlc)->timer.function = cisco_timer; - state(hdlc)->timer.data = (unsigned long)dev; - add_timer(&state(hdlc)->timer); + struct cisco_state *st = state(hdlc); + unsigned long flags; + + spin_lock_irqsave(&st->lock, flags); + st->up = 0; + st->request_sent = 0; + st->txseq = st->rxseq = 0; + spin_unlock_irqrestore(&st->lock, flags); + + init_timer(&st->timer); + st->timer.expires = jiffies + HZ; /* First poll after 1 s */ + st->timer.function = cisco_timer; + st->timer.data = (unsigned long)dev; + add_timer(&st->timer); } @@ -302,10 +311,16 @@ static void cisco_start(struct net_device *dev) static void cisco_stop(struct net_device *dev) { hdlc_device *hdlc = dev_to_hdlc(dev); - del_timer_sync(&state(hdlc)->timer); + struct cisco_state *st = state(hdlc); + unsigned long flags; + + del_timer_sync(&st->timer); + + spin_lock_irqsave(&st->lock, flags); netif_dormant_on(dev); - state(hdlc)->up = 0; - state(hdlc)->request_sent = 0; + st->up = 0; + st->request_sent = 0; + spin_unlock_irqrestore(&st->lock, flags); } @@ -367,6 +382,7 @@ static int cisco_ioctl(struct net_device *dev, struct ifreq *ifr) return result; memcpy(&state(hdlc)->settings, &new_settings, size); + spin_lock_init(&state(hdlc)->lock); dev->hard_start_xmit = hdlc->xmit; dev->header_ops = &cisco_header_ops; dev->type = ARPHRD_CISCO; diff --git a/drivers/net/wan/x25_asy.c b/drivers/net/wan/x25_asy.c index 249e18053d5..069f8bb0a99 100644 --- a/drivers/net/wan/x25_asy.c +++ b/drivers/net/wan/x25_asy.c @@ -32,6 +32,7 @@ #include <linux/x25.h> #include <linux/lapb.h> #include <linux/init.h> +#include <linux/rtnetlink.h> #include "x25_asy.h" #include <net/x25device.h> @@ -601,8 +602,10 @@ static void x25_asy_close_tty(struct tty_struct *tty) if (!sl || sl->magic != X25_ASY_MAGIC) return; + rtnl_lock(); if (sl->dev->flags & IFF_UP) dev_close(sl->dev); + rtnl_unlock(); tty->disc_data = NULL; sl->tty = NULL; diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index 4e1c690ff45..32019fb878d 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -2905,7 +2905,7 @@ EXPORT_SYMBOL(init_airo_card); static int waitbusy (struct airo_info *ai) { int delay = 0; - while ((IN4500 (ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) { + while ((IN4500(ai, COMMAND) & COMMAND_BUSY) && (delay < 10000)) { udelay (10); if ((++delay % 20) == 0) OUT4500(ai, EVACK, EV_CLEARCOMMANDBUSY); diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h index 37783cdd301..d3db298c05f 100644 --- a/drivers/net/wireless/b43/b43.h +++ b/drivers/net/wireless/b43/b43.h @@ -630,7 +630,6 @@ struct b43_pio { /* Context information for a noise calculation (Link Quality). */ struct b43_noise_calculation { - u8 channel_at_start; bool calculation_running; u8 nr_samples; s8 samples[8][4]; @@ -737,6 +736,7 @@ struct b43_wl { struct ieee80211_tx_control beacon_txctl; bool beacon0_uploaded; bool beacon1_uploaded; + bool beacon_templates_virgin; /* Never wrote the templates? */ struct work_struct beacon_update_trigger; /* The current QOS parameters for the 4 queues. diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c index 6dcbb3c87e7..e23f2f172bd 100644 --- a/drivers/net/wireless/b43/dma.c +++ b/drivers/net/wireless/b43/dma.c @@ -795,24 +795,49 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev, { struct b43_dmaring *ring; int err; - int nr_slots; dma_addr_t dma_test; ring = kzalloc(sizeof(*ring), GFP_KERNEL); if (!ring) goto out; - ring->type = type; - nr_slots = B43_RXRING_SLOTS; + ring->nr_slots = B43_RXRING_SLOTS; if (for_tx) - nr_slots = B43_TXRING_SLOTS; + ring->nr_slots = B43_TXRING_SLOTS; - ring->meta = kcalloc(nr_slots, sizeof(struct b43_dmadesc_meta), + ring->meta = kcalloc(ring->nr_slots, sizeof(struct b43_dmadesc_meta), GFP_KERNEL); if (!ring->meta) goto err_kfree_ring; + + ring->type = type; + ring->dev = dev; + ring->mmio_base = b43_dmacontroller_base(type, controller_index); + ring->index = controller_index; + if (type == B43_DMA_64BIT) + ring->ops = &dma64_ops; + else + ring->ops = &dma32_ops; if (for_tx) { - ring->txhdr_cache = kcalloc(nr_slots, + ring->tx = 1; + ring->current_slot = -1; + } else { + if (ring->index == 0) { + ring->rx_buffersize = B43_DMA0_RX_BUFFERSIZE; + ring->frameoffset = B43_DMA0_RX_FRAMEOFFSET; + } else if (ring->index == 3) { + ring->rx_buffersize = B43_DMA3_RX_BUFFERSIZE; + ring->frameoffset = B43_DMA3_RX_FRAMEOFFSET; + } else + B43_WARN_ON(1); + } + spin_lock_init(&ring->lock); +#ifdef CONFIG_B43_DEBUG + ring->last_injected_overflow = jiffies; +#endif + + if (for_tx) { + ring->txhdr_cache = kcalloc(ring->nr_slots, b43_txhdr_size(dev), GFP_KERNEL); if (!ring->txhdr_cache) @@ -828,7 +853,7 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev, b43_txhdr_size(dev), 1)) { /* ugh realloc */ kfree(ring->txhdr_cache); - ring->txhdr_cache = kcalloc(nr_slots, + ring->txhdr_cache = kcalloc(ring->nr_slots, b43_txhdr_size(dev), GFP_KERNEL | GFP_DMA); if (!ring->txhdr_cache) @@ -853,32 +878,6 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev, DMA_TO_DEVICE); } - ring->dev = dev; - ring->nr_slots = nr_slots; - ring->mmio_base = b43_dmacontroller_base(type, controller_index); - ring->index = controller_index; - if (type == B43_DMA_64BIT) - ring->ops = &dma64_ops; - else - ring->ops = &dma32_ops; - if (for_tx) { - ring->tx = 1; - ring->current_slot = -1; - } else { - if (ring->index == 0) { - ring->rx_buffersize = B43_DMA0_RX_BUFFERSIZE; - ring->frameoffset = B43_DMA0_RX_FRAMEOFFSET; - } else if (ring->index == 3) { - ring->rx_buffersize = B43_DMA3_RX_BUFFERSIZE; - ring->frameoffset = B43_DMA3_RX_FRAMEOFFSET; - } else - B43_WARN_ON(1); - } - spin_lock_init(&ring->lock); -#ifdef CONFIG_B43_DEBUG - ring->last_injected_overflow = jiffies; -#endif - err = alloc_ringmemory(ring); if (err) goto err_kfree_txhdr_cache; diff --git a/drivers/net/wireless/b43/leds.c b/drivers/net/wireless/b43/leds.c index 36a9c42df83..76f4c7bad8b 100644 --- a/drivers/net/wireless/b43/leds.c +++ b/drivers/net/wireless/b43/leds.c @@ -72,6 +72,9 @@ static void b43_led_brightness_set(struct led_classdev *led_dev, struct b43_wldev *dev = led->dev; bool radio_enabled; + if (unlikely(b43_status(dev) < B43_STAT_INITIALIZED)) + return; + /* Checking the radio-enabled status here is slightly racy, * but we want to avoid the locking overhead and we don't care * whether the LED has the wrong state for a second. */ diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 8fdba9415c0..a7082779308 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -1145,7 +1145,6 @@ static void b43_generate_noise_sample(struct b43_wldev *dev) b43_jssi_write(dev, 0x7F7F7F7F); b43_write32(dev, B43_MMIO_MACCMD, b43_read32(dev, B43_MMIO_MACCMD) | B43_MACCMD_BGNOISE); - B43_WARN_ON(dev->noisecalc.channel_at_start != dev->phy.channel); } static void b43_calculate_link_quality(struct b43_wldev *dev) @@ -1154,7 +1153,6 @@ static void b43_calculate_link_quality(struct b43_wldev *dev) if (dev->noisecalc.calculation_running) return; - dev->noisecalc.channel_at_start = dev->phy.channel; dev->noisecalc.calculation_running = 1; dev->noisecalc.nr_samples = 0; @@ -1171,9 +1169,16 @@ static void handle_irq_noise(struct b43_wldev *dev) /* Bottom half of Link Quality calculation. */ + /* Possible race condition: It might be possible that the user + * changed to a different channel in the meantime since we + * started the calculation. We ignore that fact, since it's + * not really that much of a problem. The background noise is + * an estimation only anyway. Slightly wrong results will get damped + * by the averaging of the 8 sample rounds. Additionally the + * value is shortlived. So it will be replaced by the next noise + * calculation round soon. */ + B43_WARN_ON(!dev->noisecalc.calculation_running); - if (dev->noisecalc.channel_at_start != phy->channel) - goto drop_calculation; *((__le32 *)noise) = cpu_to_le32(b43_jssi_read(dev)); if (noise[0] == 0x7F || noise[1] == 0x7F || noise[2] == 0x7F || noise[3] == 0x7F) @@ -1214,11 +1219,10 @@ static void handle_irq_noise(struct b43_wldev *dev) average -= 48; dev->stats.link_noise = average; - drop_calculation: dev->noisecalc.calculation_running = 0; return; } - generate_new: +generate_new: b43_generate_noise_sample(dev); } @@ -1544,6 +1548,30 @@ static void b43_write_probe_resp_template(struct b43_wldev *dev, kfree(probe_resp_data); } +static void b43_upload_beacon0(struct b43_wldev *dev) +{ + struct b43_wl *wl = dev->wl; + + if (wl->beacon0_uploaded) + return; + b43_write_beacon_template(dev, 0x68, 0x18); + /* FIXME: Probe resp upload doesn't really belong here, + * but we don't use that feature anyway. */ + b43_write_probe_resp_template(dev, 0x268, 0x4A, + &__b43_ratetable[3]); + wl->beacon0_uploaded = 1; +} + +static void b43_upload_beacon1(struct b43_wldev *dev) +{ + struct b43_wl *wl = dev->wl; + + if (wl->beacon1_uploaded) + return; + b43_write_beacon_template(dev, 0x468, 0x1A); + wl->beacon1_uploaded = 1; +} + static void handle_irq_beacon(struct b43_wldev *dev) { struct b43_wl *wl = dev->wl; @@ -1568,24 +1596,27 @@ static void handle_irq_beacon(struct b43_wldev *dev) return; } - if (!beacon0_valid) { - if (!wl->beacon0_uploaded) { - b43_write_beacon_template(dev, 0x68, 0x18); - b43_write_probe_resp_template(dev, 0x268, 0x4A, - &__b43_ratetable[3]); - wl->beacon0_uploaded = 1; - } + if (unlikely(wl->beacon_templates_virgin)) { + /* We never uploaded a beacon before. + * Upload both templates now, but only mark one valid. */ + wl->beacon_templates_virgin = 0; + b43_upload_beacon0(dev); + b43_upload_beacon1(dev); cmd = b43_read32(dev, B43_MMIO_MACCMD); cmd |= B43_MACCMD_BEACON0_VALID; b43_write32(dev, B43_MMIO_MACCMD, cmd); - } else if (!beacon1_valid) { - if (!wl->beacon1_uploaded) { - b43_write_beacon_template(dev, 0x468, 0x1A); - wl->beacon1_uploaded = 1; + } else { + if (!beacon0_valid) { + b43_upload_beacon0(dev); + cmd = b43_read32(dev, B43_MMIO_MACCMD); + cmd |= B43_MACCMD_BEACON0_VALID; + b43_write32(dev, B43_MMIO_MACCMD, cmd); + } else if (!beacon1_valid) { + b43_upload_beacon1(dev); + cmd = b43_read32(dev, B43_MMIO_MACCMD); + cmd |= B43_MACCMD_BEACON1_VALID; + b43_write32(dev, B43_MMIO_MACCMD, cmd); } - cmd = b43_read32(dev, B43_MMIO_MACCMD); - cmd |= B43_MACCMD_BEACON1_VALID; - b43_write32(dev, B43_MMIO_MACCMD, cmd); } } @@ -2852,12 +2883,11 @@ static int b43_op_tx(struct ieee80211_hw *hw, if (unlikely(skb->len < 2 + 2 + 6)) { /* Too short, this can't be a valid frame. */ - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; + goto drop_packet; } B43_WARN_ON(skb_shinfo(skb)->nr_frags); if (unlikely(!dev)) - return NETDEV_TX_BUSY; + goto drop_packet; /* Transmissions on seperate queues can run concurrently. */ read_lock_irqsave(&wl->tx_lock, flags); @@ -2873,7 +2903,12 @@ static int b43_op_tx(struct ieee80211_hw *hw, read_unlock_irqrestore(&wl->tx_lock, flags); if (unlikely(err)) - return NETDEV_TX_BUSY; + goto drop_packet; + return NETDEV_TX_OK; + +drop_packet: + /* We can not transmit this packet. Drop it. */ + dev_kfree_skb_any(skb); return NETDEV_TX_OK; } @@ -4073,6 +4108,9 @@ static int b43_op_start(struct ieee80211_hw *hw) wl->filter_flags = 0; wl->radiotap_enabled = 0; b43_qos_clear(wl); + wl->beacon0_uploaded = 0; + wl->beacon1_uploaded = 0; + wl->beacon_templates_virgin = 1; /* First register RFkill. * LEDs that are registered later depend on it. */ @@ -4241,7 +4279,9 @@ static void b43_chip_reset(struct work_struct *work) goto out; } } - out: +out: + if (err) + wl->current_dev = NULL; /* Failed to init the dev. */ mutex_unlock(&wl->mutex); if (err) b43err(wl, "Controller restart FAILED\n"); @@ -4382,9 +4422,11 @@ static void b43_one_core_detach(struct ssb_device *dev) struct b43_wldev *wldev; struct b43_wl *wl; + /* Do not cancel ieee80211-workqueue based work here. + * See comment in b43_remove(). */ + wldev = ssb_get_drvdata(dev); wl = wldev->wl; - cancel_work_sync(&wldev->restart_work); b43_debugfs_remove_device(wldev); b43_wireless_core_detach(wldev); list_del(&wldev->list); @@ -4569,6 +4611,10 @@ static void b43_remove(struct ssb_device *dev) struct b43_wl *wl = ssb_get_devtypedata(dev); struct b43_wldev *wldev = ssb_get_drvdata(dev); + /* We must cancel any work here before unregistering from ieee80211, + * as the ieee80211 unreg will destroy the workqueue. */ + cancel_work_sync(&wldev->restart_work); + B43_WARN_ON(!wl); if (wl->current_dev == wldev) ieee80211_unregister_hw(wl->hw); diff --git a/drivers/net/wireless/b43legacy/dma.c b/drivers/net/wireless/b43legacy/dma.c index c990f87b107..93ddc1cbcc8 100644 --- a/drivers/net/wireless/b43legacy/dma.c +++ b/drivers/net/wireless/b43legacy/dma.c @@ -876,6 +876,7 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(struct b43legacy_wldev *dev, if (!ring) goto out; ring->type = type; + ring->dev = dev; nr_slots = B43legacy_RXRING_SLOTS; if (for_tx) @@ -922,7 +923,6 @@ struct b43legacy_dmaring *b43legacy_setup_dmaring(struct b43legacy_wldev *dev, DMA_TO_DEVICE); } - ring->dev = dev; ring->nr_slots = nr_slots; ring->mmio_base = b43legacy_dmacontroller_base(type, controller_index); ring->index = controller_index; diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c index 14a5eea2573..3e612d0a13e 100644 --- a/drivers/net/wireless/b43legacy/main.c +++ b/drivers/net/wireless/b43legacy/main.c @@ -2378,8 +2378,10 @@ static int b43legacy_op_tx(struct ieee80211_hw *hw, } else err = b43legacy_dma_tx(dev, skb, ctl); out: - if (unlikely(err)) - return NETDEV_TX_BUSY; + if (unlikely(err)) { + /* Drop the packet. */ + dev_kfree_skb_any(skb); + } return NETDEV_TX_OK; } @@ -3039,7 +3041,6 @@ static void b43legacy_set_pretbtt(struct b43legacy_wldev *dev) /* Locking: wl->mutex */ static void b43legacy_wireless_core_exit(struct b43legacy_wldev *dev) { - struct b43legacy_wl *wl = dev->wl; struct b43legacy_phy *phy = &dev->phy; u32 macctl; @@ -3054,12 +3055,6 @@ static void b43legacy_wireless_core_exit(struct b43legacy_wldev *dev) macctl |= B43legacy_MACCTL_PSM_JMP0; b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl); - mutex_unlock(&wl->mutex); - /* Must unlock as it would otherwise deadlock. No races here. - * Cancel possibly pending workqueues. */ - cancel_work_sync(&dev->restart_work); - mutex_lock(&wl->mutex); - b43legacy_leds_exit(dev); b43legacy_rng_exit(dev->wl); b43legacy_pio_free(dev); @@ -3486,6 +3481,8 @@ static void b43legacy_chip_reset(struct work_struct *work) } } out: + if (err) + wl->current_dev = NULL; /* Failed to init the dev. */ mutex_unlock(&wl->mutex); if (err) b43legacyerr(wl, "Controller restart FAILED\n"); @@ -3618,9 +3615,11 @@ static void b43legacy_one_core_detach(struct ssb_device *dev) struct b43legacy_wldev *wldev; struct b43legacy_wl *wl; + /* Do not cancel ieee80211-workqueue based work here. + * See comment in b43legacy_remove(). */ + wldev = ssb_get_drvdata(dev); wl = wldev->wl; - cancel_work_sync(&wldev->restart_work); b43legacy_debugfs_remove_device(wldev); b43legacy_wireless_core_detach(wldev); list_del(&wldev->list); @@ -3789,6 +3788,10 @@ static void b43legacy_remove(struct ssb_device *dev) struct b43legacy_wl *wl = ssb_get_devtypedata(dev); struct b43legacy_wldev *wldev = ssb_get_drvdata(dev); + /* We must cancel any work here before unregistering from ieee80211, + * as the ieee80211 unreg will destroy the workqueue. */ + cancel_work_sync(&wldev->restart_work); + B43legacy_WARN_ON(!wl); if (wl->current_dev == wldev) ieee80211_unregister_hw(wl->hw); diff --git a/drivers/net/wireless/hostap/hostap_80211_rx.c b/drivers/net/wireless/hostap/hostap_80211_rx.c index 4fd73809602..020f450e9db 100644 --- a/drivers/net/wireless/hostap/hostap_80211_rx.c +++ b/drivers/net/wireless/hostap/hostap_80211_rx.c @@ -64,7 +64,7 @@ int prism2_rx_80211(struct net_device *dev, struct sk_buff *skb, int hdrlen, phdrlen, head_need, tail_need; u16 fc; int prism_header, ret; - struct ieee80211_hdr_4addr *hdr; + struct ieee80211_hdr_4addr *fhdr; iface = netdev_priv(dev); local = iface->local; @@ -83,8 +83,8 @@ int prism2_rx_80211(struct net_device *dev, struct sk_buff *skb, phdrlen = 0; } - hdr = (struct ieee80211_hdr_4addr *) skb->data; - fc = le16_to_cpu(hdr->frame_ctl); + fhdr = (struct ieee80211_hdr_4addr *) skb->data; + fc = le16_to_cpu(fhdr->frame_ctl); if (type == PRISM2_RX_MGMT && (fc & IEEE80211_FCTL_VERS)) { printk(KERN_DEBUG "%s: dropped management frame with header " @@ -551,7 +551,7 @@ hostap_rx_frame_wds(local_info_t *local, struct ieee80211_hdr_4addr *hdr, hdr->addr1[2] != 0xff || hdr->addr1[3] != 0xff || hdr->addr1[4] != 0xff || hdr->addr1[5] != 0xff)) { /* RA (or BSSID) is not ours - drop */ - PDEBUG(DEBUG_EXTRA, "%s: received WDS frame with " + PDEBUG(DEBUG_EXTRA2, "%s: received WDS frame with " "not own or broadcast %s=%s\n", local->dev->name, fc & IEEE80211_FCTL_FROMDS ? "RA" : "BSSID", diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c index 0acd9589c48..ab981afd481 100644 --- a/drivers/net/wireless/hostap/hostap_ap.c +++ b/drivers/net/wireless/hostap/hostap_ap.c @@ -1930,7 +1930,7 @@ static void handle_pspoll(local_info_t *local, PDEBUG(DEBUG_PS, " PSPOLL and AID[15:14] not set\n"); return; } - aid &= ~BIT(15) & ~BIT(14); + aid &= ~(BIT(15) | BIT(14)); if (aid == 0 || aid > MAX_AID_TABLE_SIZE) { PDEBUG(DEBUG_PS, " invalid aid=%d\n", aid); return; diff --git a/drivers/net/wireless/hostap/hostap_cs.c b/drivers/net/wireless/hostap/hostap_cs.c index ed4317a17cb..80039a0ae02 100644 --- a/drivers/net/wireless/hostap/hostap_cs.c +++ b/drivers/net/wireless/hostap/hostap_cs.c @@ -533,10 +533,10 @@ static void prism2_detach(struct pcmcia_device *link) do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) #define CFG_CHECK2(fn, retf) \ -do { int ret = (retf); \ -if (ret != 0) { \ - PDEBUG(DEBUG_EXTRA, "CardServices(" #fn ") returned %d\n", ret); \ - cs_error(link, fn, ret); \ +do { int _ret = (retf); \ +if (_ret != 0) { \ + PDEBUG(DEBUG_EXTRA, "CardServices(" #fn ") returned %d\n", _ret); \ + cs_error(link, fn, _ret); \ goto next_entry; \ } \ } while (0) diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c index cdf90c40f11..936f52e3d95 100644 --- a/drivers/net/wireless/hostap/hostap_hw.c +++ b/drivers/net/wireless/hostap/hostap_hw.c @@ -2835,7 +2835,7 @@ static void hostap_passive_scan(unsigned long data) { local_info_t *local = (local_info_t *) data; struct net_device *dev = local->dev; - u16 channel; + u16 chan; if (local->passive_scan_interval <= 0) return; @@ -2872,11 +2872,11 @@ static void hostap_passive_scan(unsigned long data) printk(KERN_DEBUG "%s: passive scan channel %d\n", dev->name, local->passive_scan_channel); - channel = local->passive_scan_channel; + chan = local->passive_scan_channel; local->passive_scan_state = PASSIVE_SCAN_WAIT; local->passive_scan_timer.expires = jiffies + HZ / 10; } else { - channel = local->channel; + chan = local->channel; local->passive_scan_state = PASSIVE_SCAN_LISTEN; local->passive_scan_timer.expires = jiffies + local->passive_scan_interval * HZ; @@ -2884,9 +2884,9 @@ static void hostap_passive_scan(unsigned long data) if (hfa384x_cmd_callback(dev, HFA384X_CMDCODE_TEST | (HFA384X_TEST_CHANGE_CHANNEL << 8), - channel, NULL, 0)) + chan, NULL, 0)) printk(KERN_ERR "%s: passive scan channel set %d " - "failed\n", dev->name, channel); + "failed\n", dev->name, chan); add_timer(&local->passive_scan_timer); } diff --git a/drivers/net/wireless/hostap/hostap_main.c b/drivers/net/wireless/hostap/hostap_main.c index 20d387f6658..a38e85f334d 100644 --- a/drivers/net/wireless/hostap/hostap_main.c +++ b/drivers/net/wireless/hostap/hostap_main.c @@ -594,7 +594,8 @@ void hostap_dump_tx_header(const char *name, const struct hfa384x_tx_frame *tx) } -int hostap_80211_header_parse(const struct sk_buff *skb, unsigned char *haddr) +static int hostap_80211_header_parse(const struct sk_buff *skb, + unsigned char *haddr) { struct hostap_interface *iface = netdev_priv(skb->dev); local_info_t *local = iface->local; @@ -682,7 +683,13 @@ static int prism2_close(struct net_device *dev) netif_device_detach(dev); } - flush_scheduled_work(); + cancel_work_sync(&local->reset_queue); + cancel_work_sync(&local->set_multicast_list_queue); + cancel_work_sync(&local->set_tim_queue); +#ifndef PRISM2_NO_STATION_MODES + cancel_work_sync(&local->info_queue); +#endif + cancel_work_sync(&local->comms_qual_update); module_put(local->hw_module); @@ -851,7 +858,6 @@ const struct header_ops hostap_80211_ops = { .rebuild = eth_rebuild_header, .cache = eth_header_cache, .cache_update = eth_header_cache_update, - .parse = hostap_80211_header_parse, }; EXPORT_SYMBOL(hostap_80211_ops); @@ -1144,7 +1150,6 @@ EXPORT_SYMBOL(hostap_set_roaming); EXPORT_SYMBOL(hostap_set_auth_algs); EXPORT_SYMBOL(hostap_dump_rx_header); EXPORT_SYMBOL(hostap_dump_tx_header); -EXPORT_SYMBOL(hostap_80211_header_parse); EXPORT_SYMBOL(hostap_80211_get_hdrlen); EXPORT_SYMBOL(hostap_get_stats); EXPORT_SYMBOL(hostap_setup_dev); diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index d74c061994a..6e704608947 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -1753,6 +1753,8 @@ static int ipw_radio_kill_sw(struct ipw_priv *priv, int disable_radio) if (priv->workqueue) { cancel_delayed_work(&priv->request_scan); + cancel_delayed_work(&priv->request_direct_scan); + cancel_delayed_work(&priv->request_passive_scan); cancel_delayed_work(&priv->scan_event); } queue_work(priv->workqueue, &priv->down); @@ -2005,6 +2007,8 @@ static void ipw_irq_tasklet(struct ipw_priv *priv) wake_up_interruptible(&priv->wait_command_queue); priv->status &= ~(STATUS_ASSOCIATED | STATUS_ASSOCIATING); cancel_delayed_work(&priv->request_scan); + cancel_delayed_work(&priv->request_direct_scan); + cancel_delayed_work(&priv->request_passive_scan); cancel_delayed_work(&priv->scan_event); schedule_work(&priv->link_down); queue_delayed_work(priv->workqueue, &priv->rf_kill, 2 * HZ); @@ -4712,6 +4716,12 @@ static void ipw_rx_notification(struct ipw_priv *priv, priv->status &= ~STATUS_SCAN_FORCED; #endif /* CONFIG_IPW2200_MONITOR */ + /* Do queued direct scans first */ + if (priv->status & STATUS_DIRECT_SCAN_PENDING) { + queue_delayed_work(priv->workqueue, + &priv->request_direct_scan, 0); + } + if (!(priv->status & (STATUS_ASSOCIATED | STATUS_ASSOCIATING | STATUS_ROAMING | @@ -6267,7 +6277,7 @@ static void ipw_add_scan_channels(struct ipw_priv *priv, } } -static int ipw_request_scan_helper(struct ipw_priv *priv, int type) +static int ipw_request_scan_helper(struct ipw_priv *priv, int type, int direct) { struct ipw_scan_request_ext scan; int err = 0, scan_type; @@ -6278,22 +6288,31 @@ static int ipw_request_scan_helper(struct ipw_priv *priv, int type) mutex_lock(&priv->mutex); + if (direct && (priv->direct_scan_ssid_len == 0)) { + IPW_DEBUG_HC("Direct scan requested but no SSID to scan for\n"); + priv->status &= ~STATUS_DIRECT_SCAN_PENDING; + goto done; + } + if (priv->status & STATUS_SCANNING) { - IPW_DEBUG_HC("Concurrent scan requested. Ignoring.\n"); - priv->status |= STATUS_SCAN_PENDING; + IPW_DEBUG_HC("Concurrent scan requested. Queuing.\n"); + priv->status |= direct ? STATUS_DIRECT_SCAN_PENDING : + STATUS_SCAN_PENDING; goto done; } if (!(priv->status & STATUS_SCAN_FORCED) && priv->status & STATUS_SCAN_ABORTING) { IPW_DEBUG_HC("Scan request while abort pending. Queuing.\n"); - priv->status |= STATUS_SCAN_PENDING; + priv->status |= direct ? STATUS_DIRECT_SCAN_PENDING : + STATUS_SCAN_PENDING; goto done; } if (priv->status & STATUS_RF_KILL_MASK) { - IPW_DEBUG_HC("Aborting scan due to RF Kill activation\n"); - priv->status |= STATUS_SCAN_PENDING; + IPW_DEBUG_HC("Queuing scan due to RF Kill activation\n"); + priv->status |= direct ? STATUS_DIRECT_SCAN_PENDING : + STATUS_SCAN_PENDING; goto done; } @@ -6321,6 +6340,7 @@ static int ipw_request_scan_helper(struct ipw_priv *priv, int type) cpu_to_le16(20); scan.dwell_time[IPW_SCAN_PASSIVE_FULL_DWELL_SCAN] = cpu_to_le16(120); + scan.dwell_time[IPW_SCAN_ACTIVE_DIRECT_SCAN] = cpu_to_le16(20); #ifdef CONFIG_IPW2200_MONITOR if (priv->ieee->iw_mode == IW_MODE_MONITOR) { @@ -6360,13 +6380,23 @@ static int ipw_request_scan_helper(struct ipw_priv *priv, int type) cpu_to_le16(2000); } else { #endif /* CONFIG_IPW2200_MONITOR */ - /* If we are roaming, then make this a directed scan for the - * current network. Otherwise, ensure that every other scan - * is a fast channel hop scan */ - if ((priv->status & STATUS_ROAMING) - || (!(priv->status & STATUS_ASSOCIATED) - && (priv->config & CFG_STATIC_ESSID) - && (le32_to_cpu(scan.full_scan_index) % 2))) { + /* Honor direct scans first, otherwise if we are roaming make + * this a direct scan for the current network. Finally, + * ensure that every other scan is a fast channel hop scan */ + if (direct) { + err = ipw_send_ssid(priv, priv->direct_scan_ssid, + priv->direct_scan_ssid_len); + if (err) { + IPW_DEBUG_HC("Attempt to send SSID command " + "failed\n"); + goto done; + } + + scan_type = IPW_SCAN_ACTIVE_BROADCAST_AND_DIRECT_SCAN; + } else if ((priv->status & STATUS_ROAMING) + || (!(priv->status & STATUS_ASSOCIATED) + && (priv->config & CFG_STATIC_ESSID) + && (le32_to_cpu(scan.full_scan_index) % 2))) { err = ipw_send_ssid(priv, priv->essid, priv->essid_len); if (err) { IPW_DEBUG_HC("Attempt to send SSID command " @@ -6391,7 +6421,12 @@ send_request: } priv->status |= STATUS_SCANNING; - priv->status &= ~STATUS_SCAN_PENDING; + if (direct) { + priv->status &= ~STATUS_DIRECT_SCAN_PENDING; + priv->direct_scan_ssid_len = 0; + } else + priv->status &= ~STATUS_SCAN_PENDING; + queue_delayed_work(priv->workqueue, &priv->scan_check, IPW_SCAN_CHECK_WATCHDOG); done: @@ -6402,15 +6437,22 @@ done: static void ipw_request_passive_scan(struct work_struct *work) { struct ipw_priv *priv = - container_of(work, struct ipw_priv, request_passive_scan); - ipw_request_scan_helper(priv, IW_SCAN_TYPE_PASSIVE); + container_of(work, struct ipw_priv, request_passive_scan.work); + ipw_request_scan_helper(priv, IW_SCAN_TYPE_PASSIVE, 0); } static void ipw_request_scan(struct work_struct *work) { struct ipw_priv *priv = container_of(work, struct ipw_priv, request_scan.work); - ipw_request_scan_helper(priv, IW_SCAN_TYPE_ACTIVE); + ipw_request_scan_helper(priv, IW_SCAN_TYPE_ACTIVE, 0); +} + +static void ipw_request_direct_scan(struct work_struct *work) +{ + struct ipw_priv *priv = + container_of(work, struct ipw_priv, request_direct_scan.work); + ipw_request_scan_helper(priv, IW_SCAN_TYPE_ACTIVE, 1); } static void ipw_bg_abort_scan(struct work_struct *work) @@ -7558,8 +7600,31 @@ static int ipw_associate(void *data) priv->ieee->iw_mode == IW_MODE_ADHOC && priv->config & CFG_ADHOC_CREATE && priv->config & CFG_STATIC_ESSID && - priv->config & CFG_STATIC_CHANNEL && - !list_empty(&priv->ieee->network_free_list)) { + priv->config & CFG_STATIC_CHANNEL) { + /* Use oldest network if the free list is empty */ + if (list_empty(&priv->ieee->network_free_list)) { + struct ieee80211_network *oldest = NULL; + struct ieee80211_network *target; + DECLARE_MAC_BUF(mac); + + list_for_each_entry(target, &priv->ieee->network_list, list) { + if ((oldest == NULL) || + (target->last_scanned < oldest->last_scanned)) + oldest = target; + } + + /* If there are no more slots, expire the oldest */ + list_del(&oldest->list); + target = oldest; + IPW_DEBUG_ASSOC("Expired '%s' (%s) from " + "network list.\n", + escape_essid(target->ssid, + target->ssid_len), + print_mac(mac, target->bssid)); + list_add_tail(&target->list, + &priv->ieee->network_free_list); + } + element = priv->ieee->network_free_list.next; network = list_entry(element, struct ieee80211_network, list); ipw_adhoc_create(priv, network); @@ -9454,99 +9519,38 @@ static int ipw_wx_get_retry(struct net_device *dev, return 0; } -static int ipw_request_direct_scan(struct ipw_priv *priv, char *essid, - int essid_len) -{ - struct ipw_scan_request_ext scan; - int err = 0, scan_type; - - if (!(priv->status & STATUS_INIT) || - (priv->status & STATUS_EXIT_PENDING)) - return 0; - - mutex_lock(&priv->mutex); - - if (priv->status & STATUS_RF_KILL_MASK) { - IPW_DEBUG_HC("Aborting scan due to RF kill activation\n"); - priv->status |= STATUS_SCAN_PENDING; - goto done; - } - - IPW_DEBUG_HC("starting request direct scan!\n"); - - if (priv->status & (STATUS_SCANNING | STATUS_SCAN_ABORTING)) { - /* We should not sleep here; otherwise we will block most - * of the system (for instance, we hold rtnl_lock when we - * get here). - */ - err = -EAGAIN; - goto done; - } - memset(&scan, 0, sizeof(scan)); - - if (priv->config & CFG_SPEED_SCAN) - scan.dwell_time[IPW_SCAN_ACTIVE_BROADCAST_SCAN] = - cpu_to_le16(30); - else - scan.dwell_time[IPW_SCAN_ACTIVE_BROADCAST_SCAN] = - cpu_to_le16(20); - - scan.dwell_time[IPW_SCAN_ACTIVE_BROADCAST_AND_DIRECT_SCAN] = - cpu_to_le16(20); - scan.dwell_time[IPW_SCAN_PASSIVE_FULL_DWELL_SCAN] = cpu_to_le16(120); - scan.dwell_time[IPW_SCAN_ACTIVE_DIRECT_SCAN] = cpu_to_le16(20); - - scan.full_scan_index = cpu_to_le32(ieee80211_get_scans(priv->ieee)); - - err = ipw_send_ssid(priv, essid, essid_len); - if (err) { - IPW_DEBUG_HC("Attempt to send SSID command failed\n"); - goto done; - } - scan_type = IPW_SCAN_ACTIVE_BROADCAST_AND_DIRECT_SCAN; - - ipw_add_scan_channels(priv, &scan, scan_type); - - err = ipw_send_scan_request_ext(priv, &scan); - if (err) { - IPW_DEBUG_HC("Sending scan command failed: %08X\n", err); - goto done; - } - - priv->status |= STATUS_SCANNING; - - done: - mutex_unlock(&priv->mutex); - return err; -} - static int ipw_wx_set_scan(struct net_device *dev, struct iw_request_info *info, union iwreq_data *wrqu, char *extra) { struct ipw_priv *priv = ieee80211_priv(dev); struct iw_scan_req *req = (struct iw_scan_req *)extra; + struct delayed_work *work = NULL; mutex_lock(&priv->mutex); + priv->user_requested_scan = 1; - mutex_unlock(&priv->mutex); if (wrqu->data.length == sizeof(struct iw_scan_req)) { if (wrqu->data.flags & IW_SCAN_THIS_ESSID) { - ipw_request_direct_scan(priv, req->essid, - req->essid_len); - return 0; - } - if (req->scan_type == IW_SCAN_TYPE_PASSIVE) { - queue_work(priv->workqueue, - &priv->request_passive_scan); - return 0; + int len = min((int)req->essid_len, + (int)sizeof(priv->direct_scan_ssid)); + memcpy(priv->direct_scan_ssid, req->essid, len); + priv->direct_scan_ssid_len = len; + work = &priv->request_direct_scan; + } else if (req->scan_type == IW_SCAN_TYPE_PASSIVE) { + work = &priv->request_passive_scan; } + } else { + /* Normal active broadcast scan */ + work = &priv->request_scan; } + mutex_unlock(&priv->mutex); + IPW_DEBUG_WX("Start scan\n"); - queue_delayed_work(priv->workqueue, &priv->request_scan, 0); + queue_delayed_work(priv->workqueue, work, 0); return 0; } @@ -10708,6 +10712,8 @@ static void ipw_link_up(struct ipw_priv *priv) } cancel_delayed_work(&priv->request_scan); + cancel_delayed_work(&priv->request_direct_scan); + cancel_delayed_work(&priv->request_passive_scan); cancel_delayed_work(&priv->scan_event); ipw_reset_stats(priv); /* Ensure the rate is updated immediately */ @@ -10738,6 +10744,8 @@ static void ipw_link_down(struct ipw_priv *priv) /* Cancel any queued work ... */ cancel_delayed_work(&priv->request_scan); + cancel_delayed_work(&priv->request_direct_scan); + cancel_delayed_work(&priv->request_passive_scan); cancel_delayed_work(&priv->adhoc_check); cancel_delayed_work(&priv->gather_stats); @@ -10777,8 +10785,9 @@ static int __devinit ipw_setup_deferred_work(struct ipw_priv *priv) INIT_WORK(&priv->up, ipw_bg_up); INIT_WORK(&priv->down, ipw_bg_down); INIT_DELAYED_WORK(&priv->request_scan, ipw_request_scan); + INIT_DELAYED_WORK(&priv->request_direct_scan, ipw_request_direct_scan); + INIT_DELAYED_WORK(&priv->request_passive_scan, ipw_request_passive_scan); INIT_DELAYED_WORK(&priv->scan_event, ipw_scan_event); - INIT_WORK(&priv->request_passive_scan, ipw_request_passive_scan); INIT_DELAYED_WORK(&priv->gather_stats, ipw_bg_gather_stats); INIT_WORK(&priv->abort_scan, ipw_bg_abort_scan); INIT_WORK(&priv->roam, ipw_bg_roam); @@ -11812,6 +11821,8 @@ static void __devexit ipw_pci_remove(struct pci_dev *pdev) cancel_delayed_work(&priv->adhoc_check); cancel_delayed_work(&priv->gather_stats); cancel_delayed_work(&priv->request_scan); + cancel_delayed_work(&priv->request_direct_scan); + cancel_delayed_work(&priv->request_passive_scan); cancel_delayed_work(&priv->scan_event); cancel_delayed_work(&priv->rf_kill); cancel_delayed_work(&priv->scan_check); diff --git a/drivers/net/wireless/ipw2200.h b/drivers/net/wireless/ipw2200.h index cd3295b66dd..d4ab28b73b3 100644 --- a/drivers/net/wireless/ipw2200.h +++ b/drivers/net/wireless/ipw2200.h @@ -1037,6 +1037,7 @@ struct ipw_cmd { /* XXX */ #define STATUS_DISASSOC_PENDING (1<<12) #define STATUS_STATE_PENDING (1<<13) +#define STATUS_DIRECT_SCAN_PENDING (1<<19) #define STATUS_SCAN_PENDING (1<<20) #define STATUS_SCANNING (1<<21) #define STATUS_SCAN_ABORTING (1<<22) @@ -1292,6 +1293,8 @@ struct ipw_priv { struct iw_public_data wireless_data; int user_requested_scan; + u8 direct_scan_ssid[IW_ESSID_MAX_SIZE]; + u8 direct_scan_ssid_len; struct workqueue_struct *workqueue; @@ -1301,8 +1304,9 @@ struct ipw_priv { struct work_struct system_config; struct work_struct rx_replenish; struct delayed_work request_scan; + struct delayed_work request_direct_scan; + struct delayed_work request_passive_scan; struct delayed_work scan_event; - struct work_struct request_passive_scan; struct work_struct adapter_restart; struct delayed_work rf_kill; struct work_struct up; diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-led.c b/drivers/net/wireless/iwlwifi/iwl-3945-led.c index d200d08fb08..8b1528e52d4 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-led.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945-led.c @@ -229,14 +229,15 @@ static int iwl3945_led_register_led(struct iwl3945_priv *priv, led->led_dev.brightness_set = iwl3945_led_brightness_set; led->led_dev.default_trigger = trigger; + led->priv = priv; + led->type = type; + ret = led_classdev_register(device, &led->led_dev); if (ret) { IWL_ERROR("Error: failed to register led handler.\n"); return ret; } - led->priv = priv; - led->type = type; led->registered = 1; if (set_led && led->led_on) diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c index c9847b1a67f..3a7f0cb710e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c @@ -1162,7 +1162,6 @@ static s32 rs_get_best_rate(struct iwl_priv *priv, /* Higher rate not available, use the original */ } else { - new_rate = rate; break; } } @@ -2009,7 +2008,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, * 2) Not just finishing up a search * 3) Allowing a new search */ - if (!update_lq && !done_search && !lq_sta->stay_in_tbl) { + if (!update_lq && !done_search && !lq_sta->stay_in_tbl && window->counter) { /* Save current throughput to compare with "search" throughput*/ lq_sta->last_tpt = current_tpt; diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 13925b627e3..b1b3c523185 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -2227,7 +2227,10 @@ static int iwl3945_scan_initiate(struct iwl3945_priv *priv) } IWL_DEBUG_INFO("Starting scan...\n"); - priv->scan_bands = 2; + if (priv->cfg->sku & IWL_SKU_G) + priv->scan_bands |= BIT(IEEE80211_BAND_2GHZ); + if (priv->cfg->sku & IWL_SKU_A) + priv->scan_bands |= BIT(IEEE80211_BAND_5GHZ); set_bit(STATUS_SCANNING, &priv->status); priv->scan_start = jiffies; priv->scan_pass_start = priv->scan_start; @@ -3352,13 +3355,18 @@ static void iwl3945_rx_scan_complete_notif(struct iwl3945_priv *priv, cancel_delayed_work(&priv->scan_check); IWL_DEBUG_INFO("Scan pass on %sGHz took %dms\n", - (priv->scan_bands == 2) ? "2.4" : "5.2", + (priv->scan_bands & BIT(IEEE80211_BAND_2GHZ)) ? + "2.4" : "5.2", jiffies_to_msecs(elapsed_jiffies (priv->scan_pass_start, jiffies))); - /* Remove this scanned band from the list - * of pending bands to scan */ - priv->scan_bands--; + /* Remove this scanned band from the list of pending + * bands to scan, band G precedes A in order of scanning + * as seen in iwl3945_bg_request_scan */ + if (priv->scan_bands & BIT(IEEE80211_BAND_2GHZ)) + priv->scan_bands &= ~BIT(IEEE80211_BAND_2GHZ); + else if (priv->scan_bands & BIT(IEEE80211_BAND_5GHZ)) + priv->scan_bands &= ~BIT(IEEE80211_BAND_5GHZ); /* If a request to abort was given, or the scan did not succeed * then we reset the scan state machine and terminate, @@ -4972,7 +4980,7 @@ static int iwl3945_get_channels_for_scan(struct iwl3945_priv *priv, ch_info = iwl3945_get_channel_info(priv, band, scan_ch->channel); if (!is_channel_valid(ch_info)) { - IWL_DEBUG_SCAN("Channel %d is INVALID for this SKU.\n", + IWL_DEBUG_SCAN("Channel %d is INVALID for this band.\n", scan_ch->channel); continue; } @@ -6315,21 +6323,16 @@ static void iwl3945_bg_request_scan(struct work_struct *data) /* flags + rate selection */ - switch (priv->scan_bands) { - case 2: + if (priv->scan_bands & BIT(IEEE80211_BAND_2GHZ)) { scan->flags = RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK; scan->tx_cmd.rate = IWL_RATE_1M_PLCP; scan->good_CRC_th = 0; band = IEEE80211_BAND_2GHZ; - break; - - case 1: + } else if (priv->scan_bands & BIT(IEEE80211_BAND_5GHZ)) { scan->tx_cmd.rate = IWL_RATE_6M_PLCP; scan->good_CRC_th = IWL_GOOD_CRC_TH; band = IEEE80211_BAND_5GHZ; - break; - - default: + } else { IWL_WARNING("Invalid scan band count\n"); goto done; } @@ -6770,7 +6773,7 @@ static int iwl3945_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *co ch_info = iwl3945_get_channel_info(priv, conf->channel->band, conf->channel->hw_value); if (!is_channel_valid(ch_info)) { - IWL_DEBUG_SCAN("Channel %d [%d] is INVALID for this SKU.\n", + IWL_DEBUG_SCAN("Channel %d [%d] is INVALID for this band.\n", conf->channel->hw_value, conf->channel->band); IWL_DEBUG_MAC80211("leave - invalid channel\n"); spin_unlock_irqrestore(&priv->lock, flags); diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c index 883b42f7e99..5ed16ce7846 100644 --- a/drivers/net/wireless/iwlwifi/iwl4965-base.c +++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c @@ -1774,7 +1774,10 @@ static int iwl4965_scan_initiate(struct iwl_priv *priv) } IWL_DEBUG_INFO("Starting scan...\n"); - priv->scan_bands = 2; + if (priv->cfg->sku & IWL_SKU_G) + priv->scan_bands |= BIT(IEEE80211_BAND_2GHZ); + if (priv->cfg->sku & IWL_SKU_A) + priv->scan_bands |= BIT(IEEE80211_BAND_5GHZ); set_bit(STATUS_SCANNING, &priv->status); priv->scan_start = jiffies; priv->scan_pass_start = priv->scan_start; @@ -3023,8 +3026,9 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv, IWL_DEBUG_TX_REPLY("Tx queue reclaim %d\n", index); if (index != -1) { - int freed = iwl4965_tx_queue_reclaim(priv, txq_id, index); #ifdef CONFIG_IWL4965_HT + int freed = iwl4965_tx_queue_reclaim(priv, txq_id, index); + if (tid != MAX_TID_COUNT) priv->stations[sta_id].tid[tid].tfds_in_queue -= freed; if (iwl4965_queue_space(&txq->q) > txq->q.low_mark && @@ -3276,13 +3280,18 @@ static void iwl4965_rx_scan_complete_notif(struct iwl_priv *priv, cancel_delayed_work(&priv->scan_check); IWL_DEBUG_INFO("Scan pass on %sGHz took %dms\n", - (priv->scan_bands == 2) ? "2.4" : "5.2", + (priv->scan_bands & BIT(IEEE80211_BAND_2GHZ)) ? + "2.4" : "5.2", jiffies_to_msecs(elapsed_jiffies (priv->scan_pass_start, jiffies))); - /* Remove this scanned band from the list - * of pending bands to scan */ - priv->scan_bands--; + /* Remove this scanned band from the list of pending + * bands to scan, band G precedes A in order of scanning + * as seen in iwl_bg_request_scan */ + if (priv->scan_bands & BIT(IEEE80211_BAND_2GHZ)) + priv->scan_bands &= ~BIT(IEEE80211_BAND_2GHZ); + else if (priv->scan_bands & BIT(IEEE80211_BAND_5GHZ)) + priv->scan_bands &= ~BIT(IEEE80211_BAND_5GHZ); /* If a request to abort was given, or the scan did not succeed * then we reset the scan state machine and terminate, @@ -3292,7 +3301,7 @@ static void iwl4965_rx_scan_complete_notif(struct iwl_priv *priv, clear_bit(STATUS_SCAN_ABORTING, &priv->status); } else { /* If there are more bands on this scan pass reschedule */ - if (priv->scan_bands > 0) + if (priv->scan_bands) goto reschedule; } @@ -4635,10 +4644,9 @@ static int iwl4965_get_channels_for_scan(struct iwl_priv *priv, scan_ch->channel = ieee80211_frequency_to_channel(channels[i].center_freq); - ch_info = iwl_get_channel_info(priv, band, - scan_ch->channel); + ch_info = iwl_get_channel_info(priv, band, scan_ch->channel); if (!is_channel_valid(ch_info)) { - IWL_DEBUG_SCAN("Channel %d is INVALID for this SKU.\n", + IWL_DEBUG_SCAN("Channel %d is INVALID for this band.\n", scan_ch->channel); continue; } @@ -5830,8 +5838,7 @@ static void iwl4965_bg_request_scan(struct work_struct *data) scan->tx_cmd.stop_time.life_time = TX_CMD_LIFE_TIME_INFINITE; - switch (priv->scan_bands) { - case 2: + if (priv->scan_bands & BIT(IEEE80211_BAND_2GHZ)) { scan->flags = RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK; scan->tx_cmd.rate_n_flags = iwl4965_hw_set_rate_n_flags(IWL_RATE_1M_PLCP, @@ -5839,17 +5846,13 @@ static void iwl4965_bg_request_scan(struct work_struct *data) scan->good_CRC_th = 0; band = IEEE80211_BAND_2GHZ; - break; - - case 1: + } else if (priv->scan_bands & BIT(IEEE80211_BAND_5GHZ)) { scan->tx_cmd.rate_n_flags = iwl4965_hw_set_rate_n_flags(IWL_RATE_6M_PLCP, RATE_MCS_ANT_B_MSK); scan->good_CRC_th = IWL_GOOD_CRC_TH; band = IEEE80211_BAND_5GHZ; - break; - - default: + } else { IWL_WARNING("Invalid scan band count\n"); goto done; } diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c index 6328b959387..8124fd9b135 100644 --- a/drivers/net/wireless/libertas/cmd.c +++ b/drivers/net/wireless/libertas/cmd.c @@ -1842,6 +1842,9 @@ static void lbs_send_confirmsleep(struct lbs_private *priv) spin_lock_irqsave(&priv->driver_lock, flags); + /* We don't get a response on the sleep-confirmation */ + priv->dnld_sent = DNLD_RES_RECEIVED; + /* If nothing to do, go back to sleep (?) */ if (!__kfifo_len(priv->event_fifo) && !priv->resp_len[priv->resp_idx]) priv->psstate = PS_STATE_SLEEP; @@ -1904,12 +1907,12 @@ void lbs_ps_confirm_sleep(struct lbs_private *priv) lbs_deb_enter(LBS_DEB_HOST); + spin_lock_irqsave(&priv->driver_lock, flags); if (priv->dnld_sent) { allowed = 0; lbs_deb_host("dnld_sent was set\n"); } - spin_lock_irqsave(&priv->driver_lock, flags); /* In-progress command? */ if (priv->cur_cmd) { allowed = 0; diff --git a/drivers/net/wireless/libertas/debugfs.c b/drivers/net/wireless/libertas/debugfs.c index ad2fabca911..0aa0ce3b2c4 100644 --- a/drivers/net/wireless/libertas/debugfs.c +++ b/drivers/net/wireless/libertas/debugfs.c @@ -312,8 +312,8 @@ static ssize_t lbs_threshold_write(uint16_t tlv_type, uint16_t event_mask, if (tlv_type != TLV_TYPE_BCNMISS) tlv->freq = freq; - /* The command header, the event mask, and the one TLV */ - events->hdr.size = cpu_to_le16(sizeof(events->hdr) + 2 + sizeof(*tlv)); + /* The command header, the action, the event mask, and one TLV */ + events->hdr.size = cpu_to_le16(sizeof(events->hdr) + 4 + sizeof(*tlv)); ret = lbs_cmd_with_response(priv, CMD_802_11_SUBSCRIBE_EVENT, events); diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c index e1f06606859..acfc4bfcc26 100644 --- a/drivers/net/wireless/libertas/main.c +++ b/drivers/net/wireless/libertas/main.c @@ -732,8 +732,8 @@ static int lbs_thread(void *data) lbs_deb_thread("4: currenttxskb %p, dnld_sent %d\n", priv->currenttxskb, priv->dnld_sent); - spin_lock_irq(&priv->driver_lock); /* Process any pending command response */ + spin_lock_irq(&priv->driver_lock); resp_idx = priv->resp_idx; if (priv->resp_len[resp_idx]) { spin_unlock_irq(&priv->driver_lock); diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c index 98ddbb3b327..1610a7308c1 100644 --- a/drivers/net/wireless/p54/p54usb.c +++ b/drivers/net/wireless/p54/p54usb.c @@ -49,6 +49,7 @@ static struct usb_device_id p54u_table[] __devinitdata = { {USB_DEVICE(0x5041, 0x2235)}, /* Linksys WUSB54G Portable */ /* Version 2 devices (3887) */ + {USB_DEVICE(0x0471, 0x1230)}, /* Philips CPWUA054/00 */ {USB_DEVICE(0x050d, 0x7050)}, /* Belkin F5D7050 ver 1000 */ {USB_DEVICE(0x0572, 0x2000)}, /* Cohiba Proto board */ {USB_DEVICE(0x0572, 0x2002)}, /* Cohiba Proto board */ diff --git a/drivers/net/wireless/prism54/islpci_eth.c b/drivers/net/wireless/prism54/islpci_eth.c index 762e85bef55..e43bae97ed8 100644 --- a/drivers/net/wireless/prism54/islpci_eth.c +++ b/drivers/net/wireless/prism54/islpci_eth.c @@ -290,7 +290,7 @@ islpci_monitor_rx(islpci_private *priv, struct sk_buff **skb) avs->version = cpu_to_be32(P80211CAPTURE_VERSION); avs->length = cpu_to_be32(sizeof (struct avs_80211_1_header)); - avs->mactime = cpu_to_be64(le64_to_cpu(clock)); + avs->mactime = cpu_to_be64(clock); avs->hosttime = cpu_to_be64(jiffies); avs->phytype = cpu_to_be32(6); /*OFDM: 6 for (g), 8 for (a) */ avs->channel = cpu_to_be32(channel_of_freq(freq)); diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index d0b1fb15c70..18c9931e326 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -116,6 +116,7 @@ MODULE_PARM_DESC(workaround_interval, #define OID_802_11_ENCRYPTION_STATUS ccpu2(0x0d01011b) #define OID_802_11_ADD_KEY ccpu2(0x0d01011d) #define OID_802_11_REMOVE_KEY ccpu2(0x0d01011e) +#define OID_802_11_ASSOCIATION_INFORMATION ccpu2(0x0d01011f) #define OID_802_11_PMKID ccpu2(0x0d010123) #define OID_802_11_NETWORK_TYPES_SUPPORTED ccpu2(0x0d010203) #define OID_802_11_NETWORK_TYPE_IN_USE ccpu2(0x0d010204) @@ -271,6 +272,26 @@ struct ndis_config_param { __le32 value_length; } __attribute__((packed)); +struct ndis_80211_assoc_info { + __le32 length; + __le16 req_ies; + struct req_ie { + __le16 capa; + __le16 listen_interval; + u8 cur_ap_address[6]; + } req_ie; + __le32 req_ie_length; + __le32 offset_req_ies; + __le16 resp_ies; + struct resp_ie { + __le16 capa; + __le16 status_code; + __le16 assoc_id; + } resp_ie; + __le32 resp_ie_length; + __le32 offset_resp_ies; +} __attribute__((packed)); + /* these have to match what is in wpa_supplicant */ enum wpa_alg { WPA_ALG_NONE, WPA_ALG_WEP, WPA_ALG_TKIP, WPA_ALG_CCMP }; enum wpa_cipher { CIPHER_NONE, CIPHER_WEP40, CIPHER_TKIP, CIPHER_CCMP, @@ -674,6 +695,12 @@ static int get_bssid(struct usbnet *usbdev, u8 bssid[ETH_ALEN]) return ret; } +static int get_association_info(struct usbnet *usbdev, + struct ndis_80211_assoc_info *info, int len) +{ + return rndis_query_oid(usbdev, OID_802_11_ASSOCIATION_INFORMATION, + info, &len); +} static int is_associated(struct usbnet *usbdev) { @@ -2182,11 +2209,40 @@ static void rndis_wext_worker(struct work_struct *work) struct usbnet *usbdev = priv->usbdev; union iwreq_data evt; unsigned char bssid[ETH_ALEN]; - int ret; + struct ndis_80211_assoc_info *info; + int assoc_size = sizeof(*info) + IW_CUSTOM_MAX + 32; + int ret, offset; if (test_and_clear_bit(WORK_CONNECTION_EVENT, &priv->work_pending)) { - ret = get_bssid(usbdev, bssid); + info = kzalloc(assoc_size, GFP_KERNEL); + if (!info) + goto get_bssid; + + /* Get association info IEs from device and send them back to + * userspace. */ + ret = get_association_info(usbdev, info, assoc_size); + if (!ret) { + evt.data.length = le32_to_cpu(info->req_ie_length); + if (evt.data.length > 0) { + offset = le32_to_cpu(info->offset_req_ies); + wireless_send_event(usbdev->net, + IWEVASSOCREQIE, &evt, + (char *)info + offset); + } + + evt.data.length = le32_to_cpu(info->resp_ie_length); + if (evt.data.length > 0) { + offset = le32_to_cpu(info->offset_resp_ies); + wireless_send_event(usbdev->net, + IWEVASSOCRESPIE, &evt, + (char *)info + offset); + } + } + + kfree(info); +get_bssid: + ret = get_bssid(usbdev, bssid); if (!ret) { evt.data.flags = 0; evt.data.length = 0; @@ -2414,6 +2470,11 @@ static int bcm4320_early_init(struct usbnet *dev) else if (priv->param_power_save > 2) priv->param_power_save = 2; + if (priv->param_power_output < 0) + priv->param_power_output = 0; + else if (priv->param_power_output > 3) + priv->param_power_output = 3; + if (priv->param_roamtrigger < -80) priv->param_roamtrigger = -80; else if (priv->param_roamtrigger > -60) diff --git a/drivers/net/wireless/rt2x00/Kconfig b/drivers/net/wireless/rt2x00/Kconfig index ab1029e7988..2d611876bbe 100644 --- a/drivers/net/wireless/rt2x00/Kconfig +++ b/drivers/net/wireless/rt2x00/Kconfig @@ -32,12 +32,13 @@ config RT2X00_LIB_FIRMWARE config RT2X00_LIB_RFKILL boolean depends on RT2X00_LIB + depends on INPUT select RFKILL select INPUT_POLLDEV config RT2X00_LIB_LEDS boolean - depends on RT2X00_LIB + depends on RT2X00_LIB && NEW_LEDS config RT2400PCI tristate "Ralink rt2400 pci/pcmcia support" @@ -51,7 +52,7 @@ config RT2400PCI config RT2400PCI_RFKILL bool "RT2400 rfkill support" - depends on RT2400PCI + depends on RT2400PCI && INPUT select RT2X00_LIB_RFKILL ---help--- This adds support for integrated rt2400 devices that feature a @@ -60,7 +61,7 @@ config RT2400PCI_RFKILL config RT2400PCI_LEDS bool "RT2400 leds support" - depends on RT2400PCI + depends on RT2400PCI && NEW_LEDS select LEDS_CLASS select RT2X00_LIB_LEDS ---help--- @@ -78,7 +79,7 @@ config RT2500PCI config RT2500PCI_RFKILL bool "RT2500 rfkill support" - depends on RT2500PCI + depends on RT2500PCI && INPUT select RT2X00_LIB_RFKILL ---help--- This adds support for integrated rt2500 devices that feature a @@ -87,7 +88,7 @@ config RT2500PCI_RFKILL config RT2500PCI_LEDS bool "RT2500 leds support" - depends on RT2500PCI + depends on RT2500PCI && NEW_LEDS select LEDS_CLASS select RT2X00_LIB_LEDS ---help--- @@ -107,7 +108,7 @@ config RT61PCI config RT61PCI_RFKILL bool "RT61 rfkill support" - depends on RT61PCI + depends on RT61PCI && INPUT select RT2X00_LIB_RFKILL ---help--- This adds support for integrated rt61 devices that feature a @@ -116,7 +117,7 @@ config RT61PCI_RFKILL config RT61PCI_LEDS bool "RT61 leds support" - depends on RT61PCI + depends on RT61PCI && NEW_LEDS select LEDS_CLASS select RT2X00_LIB_LEDS ---help--- @@ -133,7 +134,7 @@ config RT2500USB config RT2500USB_LEDS bool "RT2500 leds support" - depends on RT2500USB + depends on RT2500USB && NEW_LEDS select LEDS_CLASS select RT2X00_LIB_LEDS ---help--- @@ -152,7 +153,7 @@ config RT73USB config RT73USB_LEDS bool "RT73 leds support" - depends on RT73USB + depends on RT73USB && NEW_LEDS select LEDS_CLASS select RT2X00_LIB_LEDS ---help--- diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index fdbd0ef2be4..61e59c17a60 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -138,11 +138,8 @@ static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev, * Wait until the BBP becomes ready. */ reg = rt2500usb_bbp_check(rt2x00dev); - if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR8 register busy. Write failed.\n"); - mutex_unlock(&rt2x00dev->usb_cache_mutex); - return; - } + if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) + goto exit_fail; /* * Write the data into the BBP. @@ -155,6 +152,13 @@ static void rt2500usb_bbp_write(struct rt2x00_dev *rt2x00dev, rt2500usb_register_write_lock(rt2x00dev, PHY_CSR7, reg); mutex_unlock(&rt2x00dev->usb_cache_mutex); + + return; + +exit_fail: + mutex_unlock(&rt2x00dev->usb_cache_mutex); + + ERROR(rt2x00dev, "PHY_CSR8 register busy. Write failed.\n"); } static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev, @@ -168,10 +172,8 @@ static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev, * Wait until the BBP becomes ready. */ reg = rt2500usb_bbp_check(rt2x00dev); - if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n"); - return; - } + if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) + goto exit_fail; /* * Write the request into the BBP. @@ -186,17 +188,21 @@ static void rt2500usb_bbp_read(struct rt2x00_dev *rt2x00dev, * Wait until the BBP becomes ready. */ reg = rt2500usb_bbp_check(rt2x00dev); - if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n"); - *value = 0xff; - mutex_unlock(&rt2x00dev->usb_cache_mutex); - return; - } + if (rt2x00_get_field16(reg, PHY_CSR8_BUSY)) + goto exit_fail; rt2500usb_register_read_lock(rt2x00dev, PHY_CSR7, ®); *value = rt2x00_get_field16(reg, PHY_CSR7_DATA); mutex_unlock(&rt2x00dev->usb_cache_mutex); + + return; + +exit_fail: + mutex_unlock(&rt2x00dev->usb_cache_mutex); + + ERROR(rt2x00dev, "PHY_CSR8 register busy. Read failed.\n"); + *value = 0xff; } static void rt2500usb_rf_write(struct rt2x00_dev *rt2x00dev, diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 57bdc153952..b4bf1e09cf9 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -328,6 +328,11 @@ static inline int rt2x00_get_link_ant_rssi(struct link *link) return DEFAULT_RSSI; } +static inline void rt2x00_reset_link_ant_rssi(struct link *link) +{ + link->ant.rssi_ant = 0; +} + static inline int rt2x00_get_link_ant_rssi_history(struct link *link, enum antenna ant) { @@ -816,6 +821,7 @@ struct rt2x00_dev { /* * Scheduled work. */ + struct workqueue_struct *workqueue; struct work_struct intf_work; struct work_struct filter_work; diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c index a9930a03f45..48608e8cc8b 100644 --- a/drivers/net/wireless/rt2x00/rt2x00config.c +++ b/drivers/net/wireless/rt2x00/rt2x00config.c @@ -129,6 +129,7 @@ void rt2x00lib_config_antenna(struct rt2x00_dev *rt2x00dev, */ rt2x00dev->ops->lib->config(rt2x00dev, &libconf, CONFIG_UPDATE_ANTENNA); rt2x00lib_reset_link_tuner(rt2x00dev); + rt2x00_reset_link_ant_rssi(&rt2x00dev->link); rt2x00dev->link.ant.active.rx = libconf.ant.rx; rt2x00dev->link.ant.active.tx = libconf.ant.tx; diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index b22c0273718..c997d4f28ab 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -75,7 +75,7 @@ static void rt2x00lib_start_link_tuner(struct rt2x00_dev *rt2x00dev) rt2x00lib_reset_link_tuner(rt2x00dev); - queue_delayed_work(rt2x00dev->hw->workqueue, + queue_delayed_work(rt2x00dev->workqueue, &rt2x00dev->link.work, LINK_TUNE_INTERVAL); } @@ -137,14 +137,6 @@ void rt2x00lib_disable_radio(struct rt2x00_dev *rt2x00dev) return; /* - * Stop all scheduled work. - */ - if (work_pending(&rt2x00dev->intf_work)) - cancel_work_sync(&rt2x00dev->intf_work); - if (work_pending(&rt2x00dev->filter_work)) - cancel_work_sync(&rt2x00dev->filter_work); - - /* * Stop the TX queues. */ ieee80211_stop_queues(rt2x00dev->hw); @@ -398,8 +390,8 @@ static void rt2x00lib_link_tuner(struct work_struct *work) * Increase tuner counter, and reschedule the next link tuner run. */ rt2x00dev->link.count++; - queue_delayed_work(rt2x00dev->hw->workqueue, &rt2x00dev->link.work, - LINK_TUNE_INTERVAL); + queue_delayed_work(rt2x00dev->workqueue, + &rt2x00dev->link.work, LINK_TUNE_INTERVAL); } static void rt2x00lib_packetfilter_scheduled(struct work_struct *work) @@ -433,6 +425,15 @@ static void rt2x00lib_intf_scheduled_iter(void *data, u8 *mac, spin_unlock(&intf->lock); + /* + * It is possible the radio was disabled while the work had been + * scheduled. If that happens we should return here immediately, + * note that in the spinlock protected area above the delayed_flags + * have been cleared correctly. + */ + if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags)) + return; + if (delayed_flags & DELAYED_UPDATE_BEACON) { skb = ieee80211_beacon_get(rt2x00dev->hw, vif, &control); if (skb && rt2x00dev->ops->hw->beacon_update(rt2x00dev->hw, @@ -441,7 +442,7 @@ static void rt2x00lib_intf_scheduled_iter(void *data, u8 *mac, } if (delayed_flags & DELAYED_CONFIG_ERP) - rt2x00lib_config_erp(rt2x00dev, intf, &intf->conf); + rt2x00lib_config_erp(rt2x00dev, intf, &conf); if (delayed_flags & DELAYED_LED_ASSOC) rt2x00leds_led_assoc(rt2x00dev, !!rt2x00dev->intf_associated); @@ -483,11 +484,11 @@ void rt2x00lib_beacondone(struct rt2x00_dev *rt2x00dev) if (!test_bit(DEVICE_ENABLED_RADIO, &rt2x00dev->flags)) return; - ieee80211_iterate_active_interfaces(rt2x00dev->hw, - rt2x00lib_beacondone_iter, - rt2x00dev); + ieee80211_iterate_active_interfaces_atomic(rt2x00dev->hw, + rt2x00lib_beacondone_iter, + rt2x00dev); - queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->intf_work); + queue_work(rt2x00dev->workqueue, &rt2x00dev->intf_work); } EXPORT_SYMBOL_GPL(rt2x00lib_beacondone); @@ -507,7 +508,7 @@ void rt2x00lib_txdone(struct queue_entry *entry, * Update TX statistics. */ rt2x00dev->link.qual.tx_success += success; - rt2x00dev->link.qual.tx_failed += txdesc->retry + fail; + rt2x00dev->link.qual.tx_failed += fail; /* * Initialize TX status @@ -1130,6 +1131,10 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev) /* * Initialize configuration work. */ + rt2x00dev->workqueue = create_singlethread_workqueue("rt2x00lib"); + if (!rt2x00dev->workqueue) + goto exit; + INIT_WORK(&rt2x00dev->intf_work, rt2x00lib_intf_scheduled); INIT_WORK(&rt2x00dev->filter_work, rt2x00lib_packetfilter_scheduled); INIT_DELAYED_WORK(&rt2x00dev->link.work, rt2x00lib_link_tuner); @@ -1190,6 +1195,13 @@ void rt2x00lib_remove_dev(struct rt2x00_dev *rt2x00dev) rt2x00leds_unregister(rt2x00dev); /* + * Stop all queued work. Note that most tasks will already be halted + * during rt2x00lib_disable_radio() and rt2x00lib_uninitialize(). + */ + flush_workqueue(rt2x00dev->workqueue); + destroy_workqueue(rt2x00dev->workqueue); + + /* * Free ieee80211_hw memory. */ rt2x00lib_remove_hw(rt2x00dev); diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index c206b509207..9cb023edd2e 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -93,6 +93,7 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb, */ if (!test_bit(DEVICE_PRESENT, &rt2x00dev->flags)) { ieee80211_stop_queues(hw); + dev_kfree_skb_any(skb); return NETDEV_TX_OK; } @@ -427,7 +428,7 @@ void rt2x00mac_configure_filter(struct ieee80211_hw *hw, if (!test_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags)) rt2x00dev->ops->lib->config_filter(rt2x00dev, *total_flags); else - queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->filter_work); + queue_work(rt2x00dev->workqueue, &rt2x00dev->filter_work); } EXPORT_SYMBOL_GPL(rt2x00mac_configure_filter); @@ -508,7 +509,7 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw, memcpy(&intf->conf, bss_conf, sizeof(*bss_conf)); if (delayed) { intf->delayed_flags |= delayed; - queue_work(rt2x00dev->hw->workqueue, &rt2x00dev->intf_work); + queue_work(rt2x00dev->workqueue, &rt2x00dev->intf_work); } spin_unlock(&intf->lock); } diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c index 971af2546b5..60893de3bf8 100644 --- a/drivers/net/wireless/rt2x00/rt2x00pci.c +++ b/drivers/net/wireless/rt2x00/rt2x00pci.c @@ -412,8 +412,7 @@ int rt2x00pci_probe(struct pci_dev *pci_dev, const struct pci_device_id *id) if (pci_set_mwi(pci_dev)) ERROR_PROBE("MWI not available.\n"); - if (pci_set_dma_mask(pci_dev, DMA_64BIT_MASK) && - pci_set_dma_mask(pci_dev, DMA_32BIT_MASK)) { + if (pci_set_dma_mask(pci_dev, DMA_32BIT_MASK)) { ERROR_PROBE("PCI DMA not supported.\n"); retval = -EIO; goto exit_disable_device; diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c index 5a331674dcb..e5ceae805b5 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.c +++ b/drivers/net/wireless/rt2x00/rt2x00usb.c @@ -362,6 +362,12 @@ void rt2x00usb_disable_radio(struct rt2x00_dev *rt2x00dev) } } + /* + * Kill guardian urb (if required by driver). + */ + if (!test_bit(DRIVER_REQUIRE_BEACON_GUARD, &rt2x00dev->flags)) + return; + for (i = 0; i < rt2x00dev->bcn->limit; i++) { priv_bcn = rt2x00dev->bcn->entries[i].priv_data; usb_kill_urb(priv_bcn->urb); diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index da19a3a91f4..83cc0147f69 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -134,11 +134,8 @@ static void rt73usb_bbp_write(struct rt2x00_dev *rt2x00dev, * Wait until the BBP becomes ready. */ reg = rt73usb_bbp_check(rt2x00dev); - if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR3 register busy. Write failed.\n"); - mutex_unlock(&rt2x00dev->usb_cache_mutex); - return; - } + if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) + goto exit_fail; /* * Write the data into the BBP. @@ -151,6 +148,13 @@ static void rt73usb_bbp_write(struct rt2x00_dev *rt2x00dev, rt73usb_register_write_lock(rt2x00dev, PHY_CSR3, reg); mutex_unlock(&rt2x00dev->usb_cache_mutex); + + return; + +exit_fail: + mutex_unlock(&rt2x00dev->usb_cache_mutex); + + ERROR(rt2x00dev, "PHY_CSR3 register busy. Write failed.\n"); } static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev, @@ -164,11 +168,8 @@ static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev, * Wait until the BBP becomes ready. */ reg = rt73usb_bbp_check(rt2x00dev); - if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n"); - mutex_unlock(&rt2x00dev->usb_cache_mutex); - return; - } + if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) + goto exit_fail; /* * Write the request into the BBP. @@ -184,14 +185,19 @@ static void rt73usb_bbp_read(struct rt2x00_dev *rt2x00dev, * Wait until the BBP becomes ready. */ reg = rt73usb_bbp_check(rt2x00dev); - if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) { - ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n"); - *value = 0xff; - return; - } + if (rt2x00_get_field32(reg, PHY_CSR3_BUSY)) + goto exit_fail; *value = rt2x00_get_field32(reg, PHY_CSR3_VALUE); mutex_unlock(&rt2x00dev->usb_cache_mutex); + + return; + +exit_fail: + mutex_unlock(&rt2x00dev->usb_cache_mutex); + + ERROR(rt2x00dev, "PHY_CSR3 register busy. Read failed.\n"); + *value = 0xff; } static void rt73usb_rf_write(struct rt2x00_dev *rt2x00dev, @@ -2131,6 +2137,7 @@ static struct usb_device_id rt73usb_device_table[] = { /* D-Link */ { USB_DEVICE(0x07d1, 0x3c03), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x07d1, 0x3c04), USB_DEVICE_DATA(&rt73usb_ops) }, + { USB_DEVICE(0x07d1, 0x3c06), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x07d1, 0x3c07), USB_DEVICE_DATA(&rt73usb_ops) }, /* Gemtek */ { USB_DEVICE(0x15a9, 0x0004), USB_DEVICE_DATA(&rt73usb_ops) }, diff --git a/drivers/net/wireless/rtl8180_grf5101.c b/drivers/net/wireless/rtl8180_grf5101.c index 5d47935dbac..947ee55f18b 100644 --- a/drivers/net/wireless/rtl8180_grf5101.c +++ b/drivers/net/wireless/rtl8180_grf5101.c @@ -88,7 +88,7 @@ static void grf5101_rf_set_channel(struct ieee80211_hw *dev, write_grf5101(dev, 0x0B, chan); write_grf5101(dev, 0x07, 0x1000); - grf5101_write_phy_antenna(dev, chan); + grf5101_write_phy_antenna(dev, channel); } static void grf5101_rf_stop(struct ieee80211_hw *dev) diff --git a/drivers/net/wireless/rtl8180_max2820.c b/drivers/net/wireless/rtl8180_max2820.c index a34dfd382b6..6c825fd7f3b 100644 --- a/drivers/net/wireless/rtl8180_max2820.c +++ b/drivers/net/wireless/rtl8180_max2820.c @@ -78,7 +78,8 @@ static void max2820_rf_set_channel(struct ieee80211_hw *dev, struct ieee80211_conf *conf) { struct rtl8180_priv *priv = dev->priv; - int channel = ieee80211_frequency_to_channel(conf->channel->center_freq); + int channel = conf ? + ieee80211_frequency_to_channel(conf->channel->center_freq) : 1; unsigned int chan_idx = channel - 1; u32 txpw = priv->channels[chan_idx].hw_value & 0xFF; u32 chan = max2820_chan[chan_idx]; @@ -87,7 +88,7 @@ static void max2820_rf_set_channel(struct ieee80211_hw *dev, * sa2400, for MAXIM we do this directly from BB */ rtl8180_write_phy(dev, 3, txpw); - max2820_write_phy_antenna(dev, chan); + max2820_write_phy_antenna(dev, channel); write_max2820(dev, 3, chan); } diff --git a/drivers/net/wireless/rtl8180_sa2400.c b/drivers/net/wireless/rtl8180_sa2400.c index 0311b4ea124..cea4e0ccb92 100644 --- a/drivers/net/wireless/rtl8180_sa2400.c +++ b/drivers/net/wireless/rtl8180_sa2400.c @@ -86,7 +86,7 @@ static void sa2400_rf_set_channel(struct ieee80211_hw *dev, write_sa2400(dev, 7, txpw); - sa2400_write_phy_antenna(dev, chan); + sa2400_write_phy_antenna(dev, channel); write_sa2400(dev, 0, chan); write_sa2400(dev, 1, 0xbb50); diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index 6424e5a2c83..418606ac1c3 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -719,7 +719,7 @@ int zd_mac_rx(struct ieee80211_hw *hw, const u8 *buffer, unsigned int length) fc = le16_to_cpu(*((__le16 *) buffer)); is_qos = ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA) && - ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_QOS_DATA); + (fc & IEEE80211_STYPE_QOS_DATA); is_4addr = (fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS); need_padding = is_qos ^ is_4addr; diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 8bddff150c7..d26f69b0184 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -946,8 +946,7 @@ err: work_done++; } - while ((skb = __skb_dequeue(&errq))) - kfree_skb(skb); + __skb_queue_purge(&errq); work_done -= handle_incoming_queue(dev, &rxq); @@ -1079,8 +1078,7 @@ static void xennet_release_rx_bufs(struct netfront_info *np) } } - while ((skb = __skb_dequeue(&free_list)) != NULL) - dev_kfree_skb(skb); + __skb_queue_purge(&free_list); spin_unlock_bh(&np->rx_lock); } |