From b055629eaef7758b35dc91c76cf4f158025562bf Mon Sep 17 00:00:00 2001 From: Ben Hutchings Date: Fri, 30 May 2008 22:18:35 +0100 Subject: [netdrvr] sfc: Report XAUI link down at default log level This is normal when the external link is down so don't report it as an error. Signed-off-by: Ben Hutchings Signed-off-by: Jeff Garzik --- drivers/net/sfc/falcon_xmac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c index dbdcee4b0f8..55c0d9760be 100644 --- a/drivers/net/sfc/falcon_xmac.c +++ b/drivers/net/sfc/falcon_xmac.c @@ -459,7 +459,7 @@ static int falcon_check_xaui_link_up(struct efx_nic *efx) 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; } -- cgit v1.2.3 From 17a9440f7deb781935c76e2e55d376a35611a6f9 Mon Sep 17 00:00:00 2001 From: Wang Chen Date: Fri, 30 May 2008 11:18:55 +0800 Subject: [netdrvr] CS89X0: Add cleanup for dma after fail After request_dma() succeeding, any error path should do free_dma(). Signed-off-by: Wang Chen Signed-off-by: Jeff Garzik --- drivers/net/cs89x0.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) (limited to 'drivers') 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; -- cgit v1.2.3 From 6f94f709b5b1d3a9b5f1ff7d4f3534de6cde3ff6 Mon Sep 17 00:00:00 2001 From: Cesar Eduardo Barros Date: Thu, 29 May 2008 21:58:36 -0300 Subject: sc92031: remove bogus unlikely() Commit 5a0a92e67b5009a71e011658da04fb92dad8961f mentions len < ETH_ZLEN is true for ARP packets. This obviously is not unlikely. Signed-off-by: Cesar Eduardo Barros Signed-off-by: Jeff Garzik --- drivers/net/sc92031.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/sc92031.c b/drivers/net/sc92031.c index b4b63805ee8..61955f8d801 100644 --- a/drivers/net/sc92031.c +++ b/drivers/net/sc92031.c @@ -972,7 +972,7 @@ 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 (unlikely(len < ETH_ZLEN)) { + if (len < ETH_ZLEN) { memset(priv->tx_bufs + entry * TX_BUF_SIZE + len, 0, ETH_ZLEN - len); len = ETH_ZLEN; -- cgit v1.2.3 From d399cf8c04c595d738d82d02ae2755b902a51571 Mon Sep 17 00:00:00 2001 From: Brice Goglin Date: Wed, 28 May 2008 09:10:01 +0200 Subject: myri10ge: update driver version Update myri10ge version to 1.3.99-1.347. Signed-off-by: Brice Goglin Signed-off-by: Jeff Garzik --- drivers/net/myri10ge/myri10ge.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index 36be6efc639..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"); -- cgit v1.2.3 From 7eb2e25112bf920bb0a4d1cca445f3d96874c25f Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Mon, 26 May 2008 17:42:42 +1000 Subject: virtio: fix virtio_net xmit of freed skb bug If we fail to transmit a packet, we assume the queue is full and put the skb into last_xmit_skb. However, if more space frees up before we xmit it, we loop, and the result can be transmitting the same skb twice. Fix is simple: set skb to NULL if we've used it in some way, and check before sending. Signed-off-by: Rusty Russell Signed-off-by: Jeff Garzik --- drivers/net/virtio_net.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index fe7cdf2a2a2..d50f4fe352b 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -287,21 +287,25 @@ 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); -- cgit v1.2.3 From 11a3a1546d0adc36485c2ad4af7ab950712df6ff Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Mon, 26 May 2008 17:48:13 +1000 Subject: virtio: fix delayed xmit of packet and freeing of old packets. Because we cache the last failed-to-xmit packet, if there are no packets queued behind that one we may never send it (reproduced here as TCP stalls, "cured" by an outgoing ping). Cc: Mark McLoughlin Signed-off-by: Rusty Russell Signed-off-by: Jeff Garzik --- drivers/net/virtio_net.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'drivers') diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index d50f4fe352b..5450eac9e26 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -47,6 +47,9 @@ struct virtnet_info /* Number of input buffers, and max we've ever had. */ unsigned int num, max; + /* For cleaning up after transmission. */ + struct tasklet_struct tasklet; + /* Receive & send queues. */ struct sk_buff_head recv; struct sk_buff_head send; @@ -68,8 +71,13 @@ static void skb_xmit_done(struct virtqueue *svq) /* Suppress further interrupts. */ svq->vq_ops->disable_cb(svq); + /* We were waiting for more output buffers. */ 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, @@ -278,6 +286,18 @@ static int xmit_skb(struct virtnet_info *vi, struct sk_buff *skb) return vi->svq->vq_ops->add_buf(vi->svq, sg, num, 0, skb); } +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; + } + netif_tx_unlock_bh(vi->dev); +} + static int start_xmit(struct sk_buff *skb, struct net_device *dev) { struct virtnet_info *vi = netdev_priv(dev); @@ -432,6 +452,8 @@ 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); + err = register_netdev(dev); if (err) { pr_debug("virtio_net: registering device failed\n"); -- cgit v1.2.3 From 25f03dcf63d233c13970751253b62a678bd85ccc Mon Sep 17 00:00:00 2001 From: Joakim Tjernlund Date: Fri, 23 May 2008 18:11:26 +0800 Subject: ucc_geth_ethtool: Fix typo Signed-off-by: Joakim Tjernlund Signed-off-by: Li Yang Signed-off-by: Jeff Garzik --- drivers/net/ucc_geth_ethtool.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/ucc_geth_ethtool.c b/drivers/net/ucc_geth_ethtool.c index 299b7f17695..b84ffd84c4e 100644 --- a/drivers/net/ucc_geth_ethtool.c +++ b/drivers/net/ucc_geth_ethtool.c @@ -308,7 +308,7 @@ 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); } -- cgit v1.2.3 From 08722bc4a066705e3f5fb4a5a87ce717fe9f896e Mon Sep 17 00:00:00 2001 From: Li Yang Date: Fri, 23 May 2008 18:11:27 +0800 Subject: ucc_geth_ethtool: Add a missing HW stats counter Signed-off-by: Joakim Tjernlund Signed-off-by: Li Yang Signed-off-by: Jeff Garzik --- drivers/net/ucc_geth_ethtool.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/net/ucc_geth_ethtool.c b/drivers/net/ucc_geth_ethtool.c index b84ffd84c4e..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", }; -- cgit v1.2.3 From aefdbf1a3b832a580a50cf3d1dcbb717be7cbdbe Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Fri, 23 May 2008 02:00:25 +0400 Subject: atl1: fix 4G memory corruption bug When using 4+ GB RAM and SWIOTLB is active, the driver corrupts memory by writing an skb after the relevant DMA page has been unmapped. Although this doesn't happen when *not* using bounce buffers, clearing the pointer to the DMA page after unmapping it fixes the problem. http://marc.info/?t=120861317000005&r=2&w=2 Signed-off-by: Alexey Dobriyan Signed-off-by: Jay Cliburn Signed-off-by: Jeff Garzik --- drivers/net/atlx/atl1.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers') diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c index 9c2394d4942..79325c4fb54 100644 --- a/drivers/net/atlx/atl1.c +++ b/drivers/net/atlx/atl1.c @@ -2023,6 +2023,7 @@ 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); -- cgit v1.2.3 From 56997fa838e333cea33ab641d4aeedd23aef0eb1 Mon Sep 17 00:00:00 2001 From: Grant Grundler Date: Mon, 12 May 2008 00:37:51 -0600 Subject: [netdrvr] tulip: oops in tulip_interrupt when hibernating with swsusp/suspend2 The following patch is seems to fix the tulip suspend/resume panic: http://bugzilla.kernel.org/show_bug.cgi?id=8952#c46 My attempts at a cleaner patch failed and Pavel thinks this is OK. Original from: kernelbugs@tap.homeip.net Signed-off-by: Grant Grundler Signed-off-by: Jeff Garzik --- drivers/net/tulip/tulip_core.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c index f9d13fa05d6..55670b5eb61 100644 --- a/drivers/net/tulip/tulip_core.c +++ b/drivers/net/tulip/tulip_core.c @@ -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; -- cgit v1.2.3