[dpdk-dev] [PATCH] igb: fix i350 VF RX issue
Thomas Monjalon
thomas.monjalon at 6wind.com
Fri Apr 1 15:43:13 CEST 2016
2016-04-01 10:08, Wenzhuo Lu:
> A problem is found on i350 VF. We found TX will happen once
> per 4 packets. If only 1~3 packets are received, they will
> not be forwarded. But the real problem is on RX side. The
> reason is the default RX write-back threshold is changed to
> 4, so every first 3 packets may be hung there.
>
> This patch checks the RX wthresh when setting up the RX
> queue, and forces it to be 1, so every packet can be handled
> immediately.
>
> Fixes: 4a41c17dba18 (igb: set default thresholds based on MAC type)
> ---
> drivers/net/e1000/igb_rxtx.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
Missing Signed-off-by
More information about the dev
mailing list