xdp: add multi-buff support for xdp running in generic mode

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Similar to native xdp, do not always linearize the skb in
netif_receive_generic_xdp routine but create a non-linear xdp_buff to be
processed by the eBPF program. This allow to add multi-buffer support
for xdp running in generic mode.

Acked-by: Jesper Dangaard Brouer <hawk@kernel.org>
Reviewed-by: Toke Hoiland-Jorgensen <toke@redhat.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/1044d6412b1c3e95b40d34993fd5f37cd2f319fd.1707729884.git.lorenzo@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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Lorenzo Bianconi 2024-02-12 10:50:56 +01:00 • committed by Jakub Kicinski

parent 4d2bb0bfe8

commit e6d5dbdd20

3 changed files with 144 additions and 19 deletions

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2

include/linux/skbuff.h

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70

net/core/dev.c

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91

net/core/skbuff.c

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