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Date: Fri, 30 May 2008 22:26:33 -0400
From: Jeff Garzik <jeff@...zik.org>
To: David Miller <davem@...emloft.net>
Cc: netdev@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: [git patches] net driver fixes .26
Please pull from 'davem-fixes' branch of
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6.git davem-fixes
to receive the following updates:
drivers/net/atlx/atl1.c | 1 +
drivers/net/cs89x0.c | 10 +++++++---
drivers/net/myri10ge/myri10ge.c | 2 +-
drivers/net/sc92031.c | 2 +-
drivers/net/sfc/falcon_xmac.c | 2 +-
drivers/net/tulip/tulip_core.c | 10 ++++++++--
drivers/net/ucc_geth_ethtool.c | 3 ++-
drivers/net/virtio_net.c | 36 +++++++++++++++++++++++++++++++-----
8 files changed, 52 insertions(+), 14 deletions(-)
Alexey Dobriyan (1):
atl1: fix 4G memory corruption bug
Ben Hutchings (1):
[netdrvr] sfc: Report XAUI link down at default log level
Brice Goglin (1):
myri10ge: update driver version
Cesar Eduardo Barros (1):
sc92031: remove bogus unlikely()
Grant Grundler (1):
[netdrvr] tulip: oops in tulip_interrupt when hibernating with swsusp/suspend2
Joakim Tjernlund (1):
ucc_geth_ethtool: Fix typo
Li Yang (1):
ucc_geth_ethtool: Add a missing HW stats counter
Rusty Russell (2):
virtio: fix virtio_net xmit of freed skb bug
virtio: fix delayed xmit of packet and freeing of old packets.
Wang Chen (1):
[netdrvr] CS89X0: Add cleanup for dma after fail
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 9c2394d..79325c4 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);
diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c
index 348371f..fba87ab 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/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index 36be6ef..e0d76c7 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@...i.com");
diff --git a/drivers/net/sc92031.c b/drivers/net/sc92031.c
index b4b6380..61955f8 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;
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index dbdcee4..55c0d97 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;
}
diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c
index f9d13fa..55670b5 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;
diff --git a/drivers/net/ucc_geth_ethtool.c b/drivers/net/ucc_geth_ethtool.c
index 299b7f1..f5839c4 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/virtio_net.c b/drivers/net/virtio_net.c
index fe7cdf2..5450eac 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);
@@ -287,21 +307,25 @@ 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);
@@ -428,6 +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");
--
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