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authorNicolas Dichtel <nicolas.dichtel@6wind.com>2012-10-03 05:43:22 +0000
committerDavid S. Miller <davem@davemloft.net>2012-10-04 15:53:48 -0400
commitedfee0339e681a784ebacec7e8c2dc97dc6d2839 (patch)
treeec4c3953956d2de79ee326d08e46c6d9736a1068 /include/net/sctp
parent575659936f9d392b93b03ce97a58dbd4fce18abd (diff)
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op-kernel-dev-edfee0339e681a784ebacec7e8c2dc97dc6d2839.tar.gz
sctp: check src addr when processing SACK to update transport state
Suppose we have an SCTP connection with two paths. After connection is established, path1 is not available, thus this path is marked as inactive. Then traffic goes through path2, but for some reasons packets are delayed (after rto.max). Because packets are delayed, the retransmit mechanism will switch again to path1. At this time, we receive a delayed SACK from path2. When we update the state of the path in sctp_check_transmitted(), we do not take into account the source address of the SACK, hence we update the wrong path. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Acked-by: Vlad Yasevich <vyasevich@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/sctp')
-rw-r--r--include/net/sctp/structs.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 0fef00f..64158aa 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -1068,7 +1068,7 @@ void sctp_outq_init(struct sctp_association *, struct sctp_outq *);
void sctp_outq_teardown(struct sctp_outq *);
void sctp_outq_free(struct sctp_outq*);
int sctp_outq_tail(struct sctp_outq *, struct sctp_chunk *chunk);
-int sctp_outq_sack(struct sctp_outq *, struct sctp_sackhdr *);
+int sctp_outq_sack(struct sctp_outq *, struct sctp_chunk *);
int sctp_outq_is_empty(const struct sctp_outq *);
void sctp_outq_restart(struct sctp_outq *);
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