diff options
author | Eric Dumazet <eric.dumazet@gmail.com> | 2010-05-10 05:01:31 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-05-10 05:01:31 -0700 |
commit | 1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1 (patch) | |
tree | d1955a7639e99832590df26466a34d5786a880ae /drivers/net/pcmcia | |
parent | 2b0b05ddc04b6d45e71cd36405df512075786f1e (diff) | |
download | linux-1ae5dc342ac78d7a42965fd1f323815f6f5ef2c1.tar.bz2 |
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/pcmcia')
-rw-r--r-- | drivers/net/pcmcia/3c574_cs.c | 4 | ||||
-rw-r--r-- | drivers/net/pcmcia/3c589_cs.c | 3 | ||||
-rw-r--r-- | drivers/net/pcmcia/axnet_cs.c | 2 | ||||
-rw-r--r-- | drivers/net/pcmcia/fmvj18x_cs.c | 1 | ||||
-rw-r--r-- | drivers/net/pcmcia/nmclan_cs.c | 4 | ||||
-rw-r--r-- | drivers/net/pcmcia/smc91c92_cs.c | 2 | ||||
-rw-r--r-- | drivers/net/pcmcia/xirc2ps_cs.c | 3 |
7 files changed, 6 insertions, 13 deletions
diff --git a/drivers/net/pcmcia/3c574_cs.c b/drivers/net/pcmcia/3c574_cs.c index 757f87bb1db3..b6d9313cec00 100644 --- a/drivers/net/pcmcia/3c574_cs.c +++ b/drivers/net/pcmcia/3c574_cs.c @@ -739,7 +739,7 @@ static void el3_tx_timeout(struct net_device *dev) printk(KERN_NOTICE "%s: Transmit timed out!\n", dev->name); dump_status(dev); dev->stats.tx_errors++; - dev->trans_start = jiffies; + dev->trans_start = jiffies; /* prevent tx timeout */ /* Issue TX_RESET and TX_START commands. */ tc574_wait_for_completion(dev, TxReset); outw(TxEnable, ioaddr + EL3_CMD); @@ -790,8 +790,6 @@ static netdev_tx_t el3_start_xmit(struct sk_buff *skb, /* ... and the packet rounded to a doubleword. */ outsl(ioaddr + TX_FIFO, skb->data, (skb->len+3)>>2); - dev->trans_start = jiffies; - /* TxFree appears only in Window 1, not offset 0x1c. */ if (inw(ioaddr + TxFree) <= 1536) { netif_stop_queue(dev); diff --git a/drivers/net/pcmcia/3c589_cs.c b/drivers/net/pcmcia/3c589_cs.c index 580977f56ad0..d6a459dd4894 100644 --- a/drivers/net/pcmcia/3c589_cs.c +++ b/drivers/net/pcmcia/3c589_cs.c @@ -563,7 +563,7 @@ static void el3_tx_timeout(struct net_device *dev) netdev_warn(dev, "Transmit timed out!\n"); dump_status(dev); dev->stats.tx_errors++; - dev->trans_start = jiffies; + dev->trans_start = jiffies; /* prevent tx timeout */ /* Issue TX_RESET and TX_START commands. */ tc589_wait_for_completion(dev, TxReset); outw(TxEnable, ioaddr + EL3_CMD); @@ -611,7 +611,6 @@ static netdev_tx_t el3_start_xmit(struct sk_buff *skb, /* ... and the packet rounded to a doubleword. */ outsl(ioaddr + TX_FIFO, skb->data, (skb->len + 3) >> 2); - dev->trans_start = jiffies; if (inw(ioaddr + TX_FREE) <= 1536) { netif_stop_queue(dev); /* Interrupt us when the FIFO has room for max-sized packet. */ diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c index 70fc9591821f..a1a6b087e242 100644 --- a/drivers/net/pcmcia/axnet_cs.c +++ b/drivers/net/pcmcia/axnet_cs.c @@ -1005,7 +1005,7 @@ static void axnet_tx_timeout(struct net_device *dev) { long e8390_base = dev->base_addr; struct ei_device *ei_local = (struct ei_device *) netdev_priv(dev); - int txsr, isr, tickssofar = jiffies - dev->trans_start; + int txsr, isr, tickssofar = jiffies - dev_trans_start(dev); unsigned long flags; dev->stats.tx_errors++; diff --git a/drivers/net/pcmcia/fmvj18x_cs.c b/drivers/net/pcmcia/fmvj18x_cs.c index 6734f7d6da98..16fc3e53c5cb 100644 --- a/drivers/net/pcmcia/fmvj18x_cs.c +++ b/drivers/net/pcmcia/fmvj18x_cs.c @@ -890,7 +890,6 @@ static netdev_tx_t fjn_start_xmit(struct sk_buff *skb, lp->sent = lp->tx_queue ; lp->tx_queue = 0; lp->tx_queue_len = 0; - dev->trans_start = jiffies; lp->tx_started = 1; netif_start_queue(dev); } else { diff --git a/drivers/net/pcmcia/nmclan_cs.c b/drivers/net/pcmcia/nmclan_cs.c index c516c1996354..ca4efd2871f3 100644 --- a/drivers/net/pcmcia/nmclan_cs.c +++ b/drivers/net/pcmcia/nmclan_cs.c @@ -903,7 +903,7 @@ static void mace_tx_timeout(struct net_device *dev) #else /* #if RESET_ON_TIMEOUT */ printk("NOT resetting card\n"); #endif /* #if RESET_ON_TIMEOUT */ - dev->trans_start = jiffies; + dev->trans_start = jiffies; /* prevent tx timeout */ netif_wake_queue(dev); } @@ -945,8 +945,6 @@ static netdev_tx_t mace_start_xmit(struct sk_buff *skb, outb(skb->data[skb->len-1], ioaddr + AM2150_XMT); } - dev->trans_start = jiffies; - #if MULTI_TX if (lp->tx_free_frames > 0) netif_start_queue(dev); diff --git a/drivers/net/pcmcia/smc91c92_cs.c b/drivers/net/pcmcia/smc91c92_cs.c index 949ac1a12537..b5c62db251db 100644 --- a/drivers/net/pcmcia/smc91c92_cs.c +++ b/drivers/net/pcmcia/smc91c92_cs.c @@ -1254,7 +1254,7 @@ static void smc_tx_timeout(struct net_device *dev) dev->name, inw(ioaddr)&0xff, inw(ioaddr + 2)); dev->stats.tx_errors++; smc_reset(dev); - dev->trans_start = jiffies; + dev->trans_start = jiffies; /* prevent tx timeout */ smc->saved_skb = NULL; netif_wake_queue(dev); } diff --git a/drivers/net/pcmcia/xirc2ps_cs.c b/drivers/net/pcmcia/xirc2ps_cs.c index 656be931207a..6622f0401794 100644 --- a/drivers/net/pcmcia/xirc2ps_cs.c +++ b/drivers/net/pcmcia/xirc2ps_cs.c @@ -1295,7 +1295,7 @@ xirc2ps_tx_timeout_task(struct work_struct *work) struct net_device *dev = local->dev; /* reset the card */ do_reset(dev,1); - dev->trans_start = jiffies; + dev->trans_start = jiffies; /* prevent tx timeout */ netif_wake_queue(dev); } @@ -1358,7 +1358,6 @@ do_start_xmit(struct sk_buff *skb, struct net_device *dev) PutByte(XIRCREG_CR, TransmitPacket|EnableIntr); dev_kfree_skb (skb); - dev->trans_start = jiffies; dev->stats.tx_bytes += pktlen; netif_start_queue(dev); return NETDEV_TX_OK; |