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| author | Frank Filz <ffilz@us.ibm.com> | 2005-12-22 11:36:46 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-01-03 13:11:11 -0800 |
| commit | 52ccb8e90c0ace233b8b740f2fc5de0dbd706b27 (patch) | |
| tree | d2c06dd7b26e70c8dccf31971508005fdc82cbb2 /net/sctp/sm_sideeffect.c | |
| parent | fd9662555cc35f8bf9242cd7bba8b44ae168a68b (diff) | |
| download | lwn-52ccb8e90c0ace233b8b740f2fc5de0dbd706b27.tar.gz lwn-52ccb8e90c0ace233b8b740f2fc5de0dbd706b27.zip | |
[SCTP]: Update SCTP_PEER_ADDR_PARAMS socket option to the latest api draft.
This patch adds support to set/get heartbeat interval, maximum number of
retransmissions, pathmtu, sackdelay time for a particular transport/
association/socket as per the latest SCTP sockets api draft11.
Signed-off-by: Frank Filz <ffilz@us.ibm.com>
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp/sm_sideeffect.c')
| -rw-r--r-- | net/sctp/sm_sideeffect.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index 823947170a33..2d7d8a5db2ac 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -157,9 +157,12 @@ static int sctp_gen_sack(struct sctp_association *asoc, int force, { __u32 ctsn, max_tsn_seen; struct sctp_chunk *sack; + struct sctp_transport *trans = asoc->peer.last_data_from; int error = 0; - if (force) + if (force || + (!trans && (asoc->param_flags & SPP_SACKDELAY_DISABLE)) || + (trans && (trans->param_flags & SPP_SACKDELAY_DISABLE))) asoc->peer.sack_needed = 1; ctsn = sctp_tsnmap_get_ctsn(&asoc->peer.tsn_map); @@ -189,7 +192,22 @@ static int sctp_gen_sack(struct sctp_association *asoc, int force, if (!asoc->peer.sack_needed) { /* We will need a SACK for the next packet. */ asoc->peer.sack_needed = 1; - goto out; + + /* Set the SACK delay timeout based on the + * SACK delay for the last transport + * data was received from, or the default + * for the association. + */ + if (trans) + asoc->timeouts[SCTP_EVENT_TIMEOUT_SACK] = + trans->sackdelay; + else + asoc->timeouts[SCTP_EVENT_TIMEOUT_SACK] = + asoc->sackdelay; + + /* Restart the SACK timer. */ + sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_RESTART, + SCTP_TO(SCTP_EVENT_TIMEOUT_SACK)); } else { if (asoc->a_rwnd > asoc->rwnd) asoc->a_rwnd = asoc->rwnd; @@ -205,7 +223,7 @@ static int sctp_gen_sack(struct sctp_association *asoc, int force, sctp_add_cmd_sf(commands, SCTP_CMD_TIMER_STOP, SCTP_TO(SCTP_EVENT_TIMEOUT_SACK)); } -out: + return error; nomem: error = -ENOMEM; @@ -415,7 +433,7 @@ static void sctp_do_8_2_transport_strike(struct sctp_association *asoc, asoc->overall_error_count++; if (transport->state != SCTP_INACTIVE && - (transport->error_count++ >= transport->max_retrans)) { + (transport->error_count++ >= transport->pathmaxrxt)) { SCTP_DEBUG_PRINTK_IPADDR("transport_strike:association %p", " transport IP: port:%d failed.\n", asoc, |