io_uring/zcrx: grab a net device

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Zerocopy receive needs a net device to bind to its rx queue and dma map
buffers. As a preparation to following patches, resolve a net device
from the if_idx parameter with no functional changes otherwise.

Reviewed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: David Wei <dw@davidwei.uk>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Link: https://lore.kernel.org/r/20250215000947.789731-4-dw@davidwei.uk
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Pavel Begunkov 2025-02-14 16:09:38 -08:00 • committed by Jens Axboe

parent cf96310c5f

commit 035af94b39

2 changed files with 33 additions and 0 deletions

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28

io_uring/zcrx.c

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5

io_uring/zcrx.h

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