lkml.org 
[lkml]   [2019]   [Mar]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: [PATCH 1/2] net: stmmac: don't set own bit too early for jumbo frames
From
From: Aaro Koskinen <aaro.koskinen@iki.fi>
Date: Thu, 14 Mar 2019 21:43:19 +0200

> From: Aaro Koskinen <aaro.koskinen@nokia.com>
>
> Commit 0e80bdc9a72d ("stmmac: first frame prep at the end of xmit
> routine") overlooked jumbo frames when re-ordering the code, and as a
> result the own bit was not getting set anymore for the first jumbo frame
> descriptor. Commit 487e2e22ab79 ("net: stmmac: Set OWN bit for jumbo
> frames") tried to fix this, but now the bit is getting set too early and
> the DMA may start while we are still setting up the remaing descriptors.
> And with the chain mode the own bit remains still unset.
>
> Fix by setting the own bit at the end of xmit also with jumbo frames.
>
> Fixes: 0e80bdc9a72d ("stmmac: first frame prep at the end of xmit routine")
> Fixes: 487e2e22ab79 ("net: stmmac: Set OWN bit for jumbo frames")
> Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>

Applied with the "remaining" typo fixed.

\
 
 \ /
  Last update: 2019-03-15 19:40    [W:0.050 / U:0.772 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site