Re: [Intel-wired-lan] [PATCH iwl-net] igc: Fix XSK queue NAPI ID mapping

[Mor Bar-Gabay <morx.bar.gabay@intel.com>]

On 05/03/2025 20:09, Joe Damato wrote:
> In commit b65969856d4f ("igc: Link queues to NAPI instances"), the XSK
> queues were incorrectly unmapped from their NAPI instances. After
> discussion on the mailing list and the introduction of a test to codify
> the expected behavior, we can see that the unmapping causes the
> check_xsk test to fail:
> 
> NETIF=enp86s0 ./tools/testing/selftests/drivers/net/queues.py
> 
> [...]
>    # Check|     ksft_eq(q.get('xsk', None), {},
>    # Check failed None != {} xsk attr on queue we configured
>    not ok 4 queues.check_xsk
> 
> After this commit, the test passes:
> 
>    ok 4 queues.check_xsk
> 
> Note that the test itself is only in net-next, so I tested this change
> by applying it to my local net-next tree, booting, and running the test.
> 
> Cc: stable@vger.kernel.org
> Fixes: b65969856d4f ("igc: Link queues to NAPI instances")
> Signed-off-by: Joe Damato <jdamato@fastly.com>
> Reviewed-by: Gerhard Engleder <gerhard@engleder-embedded.com>
> ---
>   drivers/net/ethernet/intel/igc/igc_xdp.c | 2 --
>   1 file changed, 2 deletions(-)
> 
Tested-by: Mor Bar-Gabay <morx.bar.gabay@intel.com>