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| author | Wei Yongjun <yjwei@cn.fujitsu.com> | 2008-09-05 08:55:26 +0800 |
|---|---|---|
| committer | Vlad Yasevich <vladislav.yasevich@hp.com> | 2008-10-01 11:34:16 -0400 |
| commit | 536428a9b9a98495f7ea54ad95cad83e22f1d47d (patch) | |
| tree | a4a38e61207bf6144945cc5bf23cc78c8fa3bbb4 /net/sctp/sm_statetable.c | |
| parent | 52cae8f06babf9eed327479c1aa024ce3732f912 (diff) | |
| download | linux-536428a9b9a98495f7ea54ad95cad83e22f1d47d.tar.gz linux-536428a9b9a98495f7ea54ad95cad83e22f1d47d.tar.bz2 linux-536428a9b9a98495f7ea54ad95cad83e22f1d47d.zip | |
sctp: Fix to start T5-shutdown-guard timer while enter SHUTDOWN-SENT state
RFC 4960: Section 9.2
The sender of the SHUTDOWN MAY also start an overall guard timer
'T5-shutdown-guard' to bound the overall time for the shutdown
sequence. At the expiration of this timer, the sender SHOULD abort
the association by sending an ABORT chunk. If the 'T5-shutdown-
guard' timer is used, it SHOULD be set to the recommended value of 5
times 'RTO.Max'.
The timer 'T5-shutdown-guard' is used to counter the overall time
for shutdown sequence, and it's start by the sender of the SHUTDOWN.
So timer 'T5-shutdown-guard' should be start when we send the first
SHUTDOWN chunk and enter the SHUTDOWN-SENT state, not start when we
receipt of the SHUTDOWN primitive and enter SHUTDOWN-PENDING state.
If 'T5-shutdown-guard' timer is start at SHUTDOWN-PENDING state, the
association may be ABORT while data is still transmitting.
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Diffstat (limited to 'net/sctp/sm_statetable.c')
| -rw-r--r-- | net/sctp/sm_statetable.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/sctp/sm_statetable.c b/net/sctp/sm_statetable.c index d991237fb400..dd4ddc40c0ad 100644 --- a/net/sctp/sm_statetable.c +++ b/net/sctp/sm_statetable.c @@ -897,7 +897,7 @@ static const sctp_sm_table_entry_t other_event_table[SCTP_NUM_OTHER_TYPES][SCTP_ /* SCTP_STATE_ESTABLISHED */ \ TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ /* SCTP_STATE_SHUTDOWN_PENDING */ \ - TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \ + TYPE_SCTP_FUNC(sctp_sf_timer_ignore), \ /* SCTP_STATE_SHUTDOWN_SENT */ \ TYPE_SCTP_FUNC(sctp_sf_t5_timer_expire), \ /* SCTP_STATE_SHUTDOWN_RECEIVED */ \ |