Author: tuexen Date: Sat Jan 25 13:11:14 2020 New Revision: 357114 URL: https://svnweb.freebsd.org/changeset/base/357114
Log: As a TCP client only enable ECN when the corresponding sysctl variable indicates that ECN should be negotiated for the client side. Submitted by: Richard Scheffenegger Reviewed by: rgrimes@, tuexen@ MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D23228 Modified: head/sys/netinet/tcp_input.c head/sys/netinet/tcp_stacks/rack.c Modified: head/sys/netinet/tcp_input.c ============================================================================== --- head/sys/netinet/tcp_input.c Sat Jan 25 10:51:51 2020 (r357113) +++ head/sys/netinet/tcp_input.c Sat Jan 25 13:11:14 2020 (r357114) @@ -1979,7 +1979,7 @@ tcp_do_segment(struct mbuf *m, struct tcphdr *th, stru tp->t_flags |= TF_ACKNOW; if (((thflags & (TH_CWR | TH_ECE)) == TH_ECE) && - V_tcp_do_ecn) { + (V_tcp_do_ecn == 1)) { tp->t_flags2 |= TF2_ECN_PERMIT; TCPSTAT_INC(tcps_ecn_shs); } Modified: head/sys/netinet/tcp_stacks/rack.c ============================================================================== --- head/sys/netinet/tcp_stacks/rack.c Sat Jan 25 10:51:51 2020 (r357113) +++ head/sys/netinet/tcp_stacks/rack.c Sat Jan 25 13:11:14 2020 (r357114) @@ -6296,7 +6296,7 @@ rack_do_syn_sent(struct mbuf *m, struct tcphdr *th, st } if (((thflags & (TH_CWR | TH_ECE)) == TH_ECE) && - V_tcp_do_ecn) { + (V_tcp_do_ecn == 1)) { tp->t_flags2 |= TF2_ECN_PERMIT; TCPSTAT_INC(tcps_ecn_shs); } _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
