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SCTP: properly clean up fragment and ordering queues during FWD-TSN.

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When we recieve a FWD-TSN (meaning the peer has abandoned the data),
we need to clean up any partially received messages that may be
hanging out on the re-assembly or re-ordering queues.  This is
a MUST requirement that was not properly done before.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com.>
This commit is contained in:
Vlad Yasevich 2007-07-13 17:01:19 -04:00
parent b07d68b5ca
commit ea2dfb3733
3 changed files with 66 additions and 13 deletions
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3
net/sctp/sm_sideeffect.c
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@ -1130,6 +1130,9 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
/* Move the Cumulattive TSN Ack ahead. */
sctp_tsnmap_skip(&asoc->peer.tsn_map, cmd->obj.u32);
/* purge the fragmentation queue */
sctp_ulpq_reasm_flushtsn(&asoc->ulpq, cmd->obj.u32);
/* Abort any in progress partial delivery. */
sctp_ulpq_abort_pd(&asoc->ulpq, GFP_ATOMIC);
break;