Clear the flag indicating that the last received packet was marked CE also

in the case where a packet not marked was received.

Submitted by:		Richard Scheffenegger
Reviewed by:		rgrimes@, tuexen@
MFC after:		1 week
Differential Revision:	https://reviews.freebsd.org/D19143

This commit is contained in:

Michael Tuexen

2019-12-31 14:23:52 +00:00

parent 6d3c9beedb

commit 83a2839fb9

1 changed files with 7 additions and 6 deletions

									
										sys/netinet/tcp_input.c
									
		+7
		-6
	
												View File
												
				@@ -522,14 +522,15 @@ cc_ecnpkt_handler(struct tcpcb *tp, struct tcphdr *th, uint8_t iptos)

					if (CC_ALGO(tp)->ecnpkt_handler != NULL) {

						switch (iptos & IPTOS_ECN_MASK) {

						case IPTOS_ECN_CE:

						    tp->ccv->flags |= CCF_IPHDR_CE;

						    break;

							tp->ccv->flags |= CCF_IPHDR_CE;

							break;

						case IPTOS_ECN_ECT0:

						    tp->ccv->flags &= ~CCF_IPHDR_CE;

						    break;

							/* FALLTHROUGH */

						case IPTOS_ECN_ECT1:

						    tp->ccv->flags &= ~CCF_IPHDR_CE;

						    break;

							/* FALLTHROUGH */

						case IPTOS_ECN_NOTECT:

							tp->ccv->flags &= ~CCF_IPHDR_CE;

							break;

						}

						if (th->th_flags & TH_CWR)