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Adjust the MTU when accepting an SCTP association using

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UDP encapsulation.

MFC after:	1 week
This commit is contained in:
Michael Tuexen 2015-12-02 16:29:36 +00:00
parent 23a4fe48f9
commit 60862d8e48
1 changed files with 7 additions and 3 deletions
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10
sys/netinet/sctp_input.c
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@ -521,7 +521,6 @@ sctp_process_init_ack(struct mbuf *m, int iphlen, int offset,
/* calculate the RTO */
net->RTO = sctp_calculate_rto(stcb, asoc, net, &asoc->time_entered, sctp_align_safe_nocopy,
SCTP_RTT_FROM_NON_DATA);
retval = sctp_send_cookie_echo(m, offset, stcb, net);
if (retval < 0) {
/*
@ -2347,12 +2346,17 @@ sctp_process_cookie_new(struct mbuf *m, int iphlen, int offset,
sctp_timer_start(SCTP_TIMER_TYPE_AUTOCLOSE, inp, stcb, NULL);
}
(void)SCTP_GETTIME_TIMEVAL(&stcb->asoc.time_entered);
if ((netp) && (*netp)) {
if ((netp != NULL) && (*netp != NULL)) {
/* calculate the RTT and set the encaps port */
(*netp)->RTO = sctp_calculate_rto(stcb, asoc, *netp,
&cookie->time_entered, sctp_align_unsafe_makecopy,
SCTP_RTT_FROM_NON_DATA);
#if defined(INET) || defined(INET6)
if (((*netp)->port == 0) && (port != 0)) {
sctp_pathmtu_adjustment(stcb, (*netp)->mtu - sizeof(struct udphdr));
}
(*netp)->port = port;
#endif
}
/* respond with a COOKIE-ACK */
sctp_send_cookie_ack(stcb);
@ -5845,7 +5849,7 @@ sctp_common_input_processing(struct mbuf **mm, int iphlen, int offset, int lengt
*/
inp = stcb->sctp_ep;
#if defined(INET) || defined(INET6)
if ((net) && (port)) {
if ((net != NULL) && (port != 0)) {
if (net->port == 0) {
sctp_pathmtu_adjustment(stcb, net->mtu - sizeof(struct udphdr));
}