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| author | Wei Yongjun <yjwei@cn.fujitsu.com> | 2011-05-29 23:23:36 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-05-31 15:29:17 -0700 |
| commit | a000c01e60e40e15304ffe48fff051d17a7bea91 (patch) | |
| tree | 429060980f87287a3df70d8d286b73d6f1985cc8 /net/sctp/sm_statefuns.c | |
| parent | b10cec8a4e8167075b9e1ff3f05419769e7f381a (diff) | |
| download | op-kernel-dev-a000c01e60e40e15304ffe48fff051d17a7bea91.zip op-kernel-dev-a000c01e60e40e15304ffe48fff051d17a7bea91.tar.gz | |
sctp: stop pending timers and purge queues when peer restart asoc
If the peer restart the asoc, we should not only fail any unsent/unacked
data, but also stop the T3-rtx, SACK, T4-rto timers, and teardown ASCONF
queues.
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/sm_statefuns.c')
| -rw-r--r-- | net/sctp/sm_statefuns.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index 7f4a4f8..a297283 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -1718,11 +1718,21 @@ static sctp_disposition_t sctp_sf_do_dupcook_a(const struct sctp_endpoint *ep, return SCTP_DISPOSITION_CONSUME; } - /* For now, fail any unsent/unacked data. Consider the optional - * choice of resending of this data. + /* For now, stop pending T3-rtx and SACK timers, fail any unsent/unacked + * data. Consider the optional choice of resending of this data. */ + sctp_add_cmd_sf(commands, SCTP_CMD_T3_RTX_TIMERS_STOP, SCTP_NULL()); + sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP, + SCTP_TO(SCTP_EVENT_TIMEOUT_SACK)); sctp_add_cmd_sf(commands, SCTP_CMD_PURGE_OUTQUEUE, SCTP_NULL()); + /* Stop pending T4-rto timer, teardown ASCONF queue, ASCONF-ACK queue + * and ASCONF-ACK cache. + */ + sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP, + SCTP_TO(SCTP_EVENT_TIMEOUT_T4_RTO)); + sctp_add_cmd_sf(commands, SCTP_CMD_PURGE_ASCONF_QUEUE, SCTP_NULL()); + repl = sctp_make_cookie_ack(new_asoc, chunk); if (!repl) goto nomem; |
