svn commit: r356227 - head/sys/netinet
Michael Tuexen
tuexen at FreeBSD.org
Tue Dec 31 14:32:48 UTC 2019
Author: tuexen
Date: Tue Dec 31 14:32:48 2019
New Revision: 356227
URL: https://svnweb.freebsd.org/changeset/base/356227
Log:
Add flags for upcoming patches related to improved ECN handling.
No functional change.
Submitted by: Richard Scheffenegger
Reviewed by: rgrimes@, tuexen@
Differential Revision: https://reviews.freebsd.org/D22429
Modified:
head/sys/netinet/tcp.h
head/sys/netinet/tcp_syncache.h
Modified: head/sys/netinet/tcp.h
==============================================================================
--- head/sys/netinet/tcp.h Tue Dec 31 14:23:52 2019 (r356226)
+++ head/sys/netinet/tcp.h Tue Dec 31 14:32:48 2019 (r356227)
@@ -71,8 +71,9 @@ struct tcphdr {
#define TH_URG 0x20
#define TH_ECE 0x40
#define TH_CWR 0x80
+#define TH_AE 0x100 /* maps into th_x2 */
#define TH_FLAGS (TH_FIN|TH_SYN|TH_RST|TH_PUSH|TH_ACK|TH_URG|TH_ECE|TH_CWR)
-#define PRINT_TH_FLAGS "\20\1FIN\2SYN\3RST\4PUSH\5ACK\6URG\7ECE\10CWR"
+#define PRINT_TH_FLAGS "\20\1FIN\2SYN\3RST\4PUSH\5ACK\6URG\7ECE\10CWR\11AE"
u_short th_win; /* window */
u_short th_sum; /* checksum */
Modified: head/sys/netinet/tcp_syncache.h
==============================================================================
--- head/sys/netinet/tcp_syncache.h Tue Dec 31 14:23:52 2019 (r356226)
+++ head/sys/netinet/tcp_syncache.h Tue Dec 31 14:32:48 2019 (r356227)
@@ -90,6 +90,10 @@ struct syncache {
#define SCF_SIGNATURE 0x20 /* send MD5 digests */
#define SCF_SACK 0x80 /* send SACK option */
#define SCF_ECN 0x100 /* send ECN setup packet */
+#define SCF_ACE_N 0x200 /* send ACE non-ECT setup */
+#define SCF_ACE_0 0x400 /* send ACE ECT0 setup */
+#define SCF_ACE_1 0x800 /* send ACE ECT1 setup */
+#define SCF_ACE_CE 0x1000 /* send ACE CE setup */
struct syncache_head {
struct mtx sch_mtx;
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