Author: tuexen
Date: Sat Jan 30 11:10:22 2016
New Revision: 295070
URL: https://svnweb.freebsd.org/changeset/base/295070
Log:
Don't change the remote UDP encapsulation port for SCTP packets
containing an INIT chunk.
MFC after: 3 days
Modified:
head/sys/netinet/sctp_input.c
Modified: head/sys/netinet/sctp_input.c
==============================================================================
--- head/sys/netinet/sctp_input.c Sat Jan 30 10:39:05 2016
(r295069)
+++ head/sys/netinet/sctp_input.c Sat Jan 30 11:10:22 2016
(r295070)
@@ -5684,7 +5684,9 @@ sctp_common_input_processing(struct mbuf
stcb = sctp_findassociation_addr(m, offset, src, dst,
sh, ch, &inp, &net, vrf_id);
#if defined(INET) || defined(INET6)
- if ((net != NULL) && (port != 0)) {
+ if ((net != NULL) &&
+ (ch->chunk_type != SCTP_INITIATION) &&
+ (port != 0)) {
if (net->port == 0) {
sctp_pathmtu_adjustment(stcb, net->mtu
- sizeof(struct udphdr));
}
@@ -5715,7 +5717,9 @@ sctp_common_input_processing(struct mbuf
stcb = sctp_findassociation_addr(m, offset, src, dst,
sh, ch, &inp, &net, vrf_id);
#if defined(INET) || defined(INET6)
- if ((net != NULL) && (port != 0)) {
+ if ((net != NULL) &&
+ (ch->chunk_type != SCTP_INITIATION) &&
+ (port != 0)) {
if (net->port == 0) {
sctp_pathmtu_adjustment(stcb, net->mtu - sizeof(struct
udphdr));
}
@@ -5827,7 +5831,9 @@ sctp_common_input_processing(struct mbuf
*/
inp = stcb->sctp_ep;
#if defined(INET) || defined(INET6)
- if ((net != NULL) && (port != 0)) {
+ if ((net != NULL) &&
+ (ch->chunk_type != SCTP_INITIATION) &&
+ (port != 0)) {
if (net->port == 0) {
sctp_pathmtu_adjustment(stcb, net->mtu
- sizeof(struct udphdr));
}
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