net: gro: add flush check in udp_gro_receive_segment

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[ Upstream commit 5babae777c ]

GRO-GSO path is supposed to be transparent and as such L3 flush checks are
relevant to all UDP flows merging in GRO. This patch uses the same logic
and code from tcp_gro_receive, terminating merge if flush is non zero.

Fixes: e20cf8d3f1 ("udp: implement GRO for plain UDP sockets.")
Signed-off-by: Richard Gobert <richardbgobert@gmail.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Richard Gobert 2024-04-30 16:35:55 +02:00 • committed by Greg Kroah-Hartman

parent af276a5ac8

commit 78b6092d78

1 changed files with 11 additions and 1 deletions

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net/ipv4/udp_offload.c

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