[dpdk-dev] [PATCH v3] net/virtio: fix Rx scatter offload
Andrew Rybchenko
andrew.rybchenko at oktetlabs.ru
Wed Jul 21 11:29:38 CEST 2021
On 7/20/21 7:19 PM, Maxime Coquelin wrote:
>
>
> On 7/20/21 9:54 AM, Andrew Rybchenko wrote:
>> From: Ivan Ilchenko <ivan.ilchenko at oktetlabs.ru>
>>
>> Report Rx scatter offload capability depending on VIRTIO_NET_F_MRG_RXBUF.
>>
>> If Rx scatter is not requested, ensure that provided Rx buffers on
>> each Rx queue are big enough to fit Rx packets up to configured MTU.
>>
>> Fixes: ce17eddefc20 ("ethdev: introduce Rx queue offloads API")
>> Cc: stable at dpdk.org
>>
>> Signed-off-by: Ivan Ilchenko <ivan.ilchenko at oktetlabs.ru>
>> Signed-off-by: Andrew Rybchenko <andrew.rybchenko at oktetlabs.ru>
>> Reviewed-by: Maxime Coquelin <maxime.coquelin at redhat.com>
>> ---
>> v3:
>> - fix segfault on MTU set if an Rx queue is not setup
>>
>> v2:
>> - do not overwrite Rx offloads when Rx scatter is added
>>
>> drivers/net/virtio/virtio.h | 2 +
>> drivers/net/virtio/virtio_ethdev.c | 65 ++++++++++++++++++++++++++++++
>> drivers/net/virtio/virtio_ethdev.h | 5 +++
>> drivers/net/virtio/virtio_rxtx.c | 10 +++++
>> 4 files changed, 82 insertions(+)
>>
>
> Thanks for the fix.
> I see my R-by is already there, but I confirm this is good to me.
It was inherited from v1, since changes from v1 to v3 are really minor
fixes.
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