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[SCTP]: Fix SCTP_SHUTDOWN notifications.

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Fix to allow SCTP_SHUTDOWN notifications to be received on 1-1 style
SCTP SOCK_STREAM sockets.

Add SCTP_SHUTDOWN notification to the receive queue before updating
the state of the association.

Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sridhar Samudrala 2005-09-22 23:48:38 -07:00 committed by David S. Miller
parent 1dfbab5949
commit eb0e007687
1 changed files with 11 additions and 11 deletions
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22
net/sctp/sm_statefuns.c
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@ -2414,6 +2414,17 @@ sctp_disposition_t sctp_sf_do_9_2_shutdown(const struct sctp_endpoint *ep,
skb_pull(chunk->skb, sizeof(sctp_shutdownhdr_t));
chunk->subh.shutdown_hdr = sdh;
/* API 5.3.1.5 SCTP_SHUTDOWN_EVENT
* When a peer sends a SHUTDOWN, SCTP delivers this notification to
* inform the application that it should cease sending data.
*/
ev = sctp_ulpevent_make_shutdown_event(asoc, 0, GFP_ATOMIC);
if (!ev) {
disposition = SCTP_DISPOSITION_NOMEM;
goto out;
}
sctp_add_cmd_sf(commands, SCTP_CMD_EVENT_ULP, SCTP_ULPEVENT(ev));
/* Upon the reception of the SHUTDOWN, the peer endpoint shall
* - enter the SHUTDOWN-RECEIVED state,
* - stop accepting new data from its SCTP user
@ -2439,17 +2450,6 @@ sctp_disposition_t sctp_sf_do_9_2_shutdown(const struct sctp_endpoint *ep,
sctp_add_cmd_sf(commands, SCTP_CMD_PROCESS_CTSN,
SCTP_U32(chunk->subh.shutdown_hdr->cum_tsn_ack));
/* API 5.3.1.5 SCTP_SHUTDOWN_EVENT
* When a peer sends a SHUTDOWN, SCTP delivers this notification to
* inform the application that it should cease sending data.
*/
ev = sctp_ulpevent_make_shutdown_event(asoc, 0, GFP_ATOMIC);
if (!ev) {
disposition = SCTP_DISPOSITION_NOMEM;
goto out;
}
sctp_add_cmd_sf(commands, SCTP_CMD_EVENT_ULP, SCTP_ULPEVENT(ev));
out:
return disposition;
}