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authorKevin Kou <qdkevin.kou@gmail.com>2019-12-25 11:27:25 +0300
committerDavid S. Miller <davem@davemloft.net>2019-12-28 03:34:51 +0300
commit356b23c073dd063427102329b296061855b912d9 (patch)
treecff586943ef88f8f7fb02f60416d8cb748281631 /include/uapi
parent0df952873636a6df4b7469a4eb4da1e477031e3a (diff)
downloadlinux-356b23c073dd063427102329b296061855b912d9.tar.xz
sctp: do trace_sctp_probe after SACK validation and check
The function sctp_sf_eat_sack_6_2 now performs the Verification Tag validation, Chunk length validation, Bogu check, and also the detection of out-of-order SACK based on the RFC2960 Section 6.2 at the beginning, and finally performs the further processing of SACK. The trace_sctp_probe now triggered before the above necessary validation and check. this patch is to do the trace_sctp_probe after the chunk sanity tests, but keep doing trace if the SACK received is out of order, for the out-of-order SACK is valuable to congestion control debugging. v1->v2: - keep doing SCTP trace if the SACK is out of order as Marcelo's suggestion. v2->v3: - regenerate the patch as v2 generated on top of v1, and add 'net-next' tag to the new one as Marcelo's comments. Signed-off-by: Kevin Kou <qdkevin.kou@gmail.com> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/uapi')
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