From: Ben Hutchings Date: Thu, 5 Apr 2012 14:40:06 +0000 (+0000) Subject: doc, net: Remove instruction to set net_device::trans_start X-Git-Tag: v3.4-rc2~11^2~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=de7aca16fd6c32719b6a7d4480b8f4685f69f7ff;p=platform%2Fupstream%2Fkernel-adaptation-pc.git doc, net: Remove instruction to set net_device::trans_start Commit 08baf561083bc27a953aa087dd8a664bb2b88e8e ('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 Signed-off-by: David S. Miller --- diff --git a/Documentation/networking/driver.txt b/Documentation/networking/driver.txt index 83ce060..2128e41 100644 --- a/Documentation/networking/driver.txt +++ b/Documentation/networking/driver.txt @@ -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.