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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/output.c | |
| parent | fd9662555cc35f8bf9242cd7bba8b44ae168a68b (diff) | |
| download | linux-52ccb8e90c0ace233b8b740f2fc5de0dbd706b27.tar.gz linux-52ccb8e90c0ace233b8b740f2fc5de0dbd706b27.tar.bz2 linux-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/output.c')
| -rw-r--r-- | net/sctp/output.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/net/sctp/output.c b/net/sctp/output.c index 931371633464..a40991ef72c9 100644 --- a/net/sctp/output.c +++ b/net/sctp/output.c @@ -234,8 +234,8 @@ sctp_xmit_t sctp_packet_append_chunk(struct sctp_packet *packet, goto finish; pmtu = ((packet->transport->asoc) ? - (packet->transport->asoc->pmtu) : - (packet->transport->pmtu)); + (packet->transport->asoc->pathmtu) : + (packet->transport->pathmtu)); too_big = (psize + chunk_len > pmtu); @@ -482,7 +482,9 @@ int sctp_packet_transmit(struct sctp_packet *packet) if (!dst || (dst->obsolete > 1)) { dst_release(dst); sctp_transport_route(tp, NULL, sctp_sk(sk)); - sctp_assoc_sync_pmtu(asoc); + if (asoc->param_flags & SPP_PMTUD_ENABLE) { + sctp_assoc_sync_pmtu(asoc); + } } nskb->dst = dst_clone(tp->dst); @@ -492,7 +494,10 @@ int sctp_packet_transmit(struct sctp_packet *packet) SCTP_DEBUG_PRINTK("***sctp_transmit_packet*** skb len %d\n", nskb->len); - (*tp->af_specific->sctp_xmit)(nskb, tp, packet->ipfragok); + if (tp->param_flags & SPP_PMTUD_ENABLE) + (*tp->af_specific->sctp_xmit)(nskb, tp, packet->ipfragok); + else + (*tp->af_specific->sctp_xmit)(nskb, tp, 1); out: packet->size = packet->overhead; @@ -577,7 +582,7 @@ static sctp_xmit_t sctp_packet_append_data(struct sctp_packet *packet, * if ((flightsize + Max.Burst * MTU) < cwnd) * cwnd = flightsize + Max.Burst * MTU */ - max_burst_bytes = asoc->max_burst * asoc->pmtu; + max_burst_bytes = asoc->max_burst * asoc->pathmtu; if ((transport->flight_size + max_burst_bytes) < transport->cwnd) { transport->cwnd = transport->flight_size + max_burst_bytes; SCTP_DEBUG_PRINTK("%s: cwnd limited by max_burst: " @@ -622,7 +627,7 @@ static sctp_xmit_t sctp_packet_append_data(struct sctp_packet *packet, * data will fit or delay in hopes of bundling a full * sized packet. */ - if (len < asoc->pmtu - packet->overhead) { + if (len < asoc->pathmtu - packet->overhead) { retval = SCTP_XMIT_NAGLE_DELAY; goto finish; } |