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doc, net: Remove instruction to set net_device::trans_start

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Commit 08baf56108 ('net:
txq_trans_update() helper') made it unnecessary for most drivers to
set net_device::trans_start (or netdev_queue::trans_start).

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings 2012-04-05 14:40:06 +00:00 committed by David S. Miller
parent b3cf65457f
commit de7aca16fd
1 changed files with 2 additions and 5 deletions
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7
Documentation/networking/driver.txt
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@ -58,13 +58,10 @@ Transmit path guidelines:
TX_BUFFS_AVAIL(dp) > 0)
netif_wake_queue(dp->dev);
2) Do not forget to update netdev->trans_start to jiffies after
each new tx packet is given to the hardware.
3) An ndo_start_xmit method must not modify the shared parts of a
2) An ndo_start_xmit method must not modify the shared parts of a
cloned SKB.
4) Do not forget that once you return 0 from your ndo_start_xmit
3) Do not forget that once you return 0 from your ndo_start_xmit
method, it is your driver's responsibility to free up the SKB
and in some finite amount of time.