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authorEric Dumazet <eric.dumazet@gmail.com>2010-05-10 05:01:31 -0700
committerDavid S. Miller <davem@davemloft.net>2010-05-10 05:01:31 -0700
commit1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1 (patch)
treed1955a7639e99832590df26466a34d5786a880ae /drivers/net/xilinx_emaclite.c
parent2b0b05ddc04b6d45e71cd36405df512075786f1e (diff)
net: trans_start cleanups
Now that core network takes care of trans_start updates, dont do it in drivers themselves, if possible. Drivers can avoid one cache miss (on dev->trans_start) in their start_xmit() handler. Exceptions are NETIF_F_LLTX drivers Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/xilinx_emaclite.c')
-rw-r--r--drivers/net/xilinx_emaclite.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/net/xilinx_emaclite.c b/drivers/net/xilinx_emaclite.c
index 93828d56539..a7db68d37ee 100644
--- a/drivers/net/xilinx_emaclite.c
+++ b/drivers/net/xilinx_emaclite.c
@@ -558,7 +558,7 @@ static void xemaclite_tx_timeout(struct net_device *dev)
}
/* To exclude tx timeout */
- dev->trans_start = 0xffffffff - TX_TIMEOUT - TX_TIMEOUT;
+ dev->trans_start = jiffies; /* prevent tx timeout */
/* We're all ready to go. Start the queue */
netif_wake_queue(dev);
@@ -590,7 +590,7 @@ static void xemaclite_tx_handler(struct net_device *dev)
dev->stats.tx_bytes += lp->deferred_skb->len;
dev_kfree_skb_irq(lp->deferred_skb);
lp->deferred_skb = NULL;
- dev->trans_start = jiffies;
+ dev->trans_start = jiffies; /* prevent tx timeout */
netif_wake_queue(dev);
}
}
@@ -1054,7 +1054,6 @@ static int xemaclite_send(struct sk_buff *orig_skb, struct net_device *dev)
dev->stats.tx_bytes += len;
dev_kfree_skb(new_skb);
- dev->trans_start = jiffies;
return 0;
}