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authorBjoern A. Zeeb <bz@FreeBSD.org>2008-04-22 11:57:04 +0000
committerBjoern A. Zeeb <bz@FreeBSD.org>2008-04-22 11:57:04 +0000
commit665d0463a8200723a38bbaf8a16a563ab2f980d8 (patch)
tree399415aaa91bd57180fcce2ceca12bab02224f1c
parent6dd0901484c82310ed8e6ab8d7c9fc02c8167600 (diff)
Notes
-rw-r--r--sys/netinet/tcp_var.h7
1 files changed, 2 insertions, 5 deletions
diff --git a/sys/netinet/tcp_var.h b/sys/netinet/tcp_var.h
index 89a89cfb63c9..099904366a91 100644
--- a/sys/netinet/tcp_var.h
+++ b/sys/netinet/tcp_var.h
@@ -235,17 +235,14 @@ struct tcpcb {
* to tcp_dooptions and tcp_addoptions.
* The binary order of the to_flags is relevant for packing of the
* options in tcp_addoptions.
- * SACK should be kept after TS; some broken cable modem / router
- * devices were found in the field that ignore SYN-ACKs with
- * SACK before TS.
*/
struct tcpopt {
u_long to_flags; /* which options are present */
#define TOF_MSS 0x0001 /* maximum segment size */
#define TOF_SCALE 0x0002 /* window scaling */
+#define TOF_SACKPERM 0x0004 /* SACK permitted */
#define TOF_TS 0x0010 /* timestamp */
-#define TOF_SIGNATURE 0x0020 /* TCP-MD5 signature option (RFC2385) */
-#define TOF_SACKPERM 0x0040 /* SACK permitted */
+#define TOF_SIGNATURE 0x0040 /* TCP-MD5 signature option (RFC2385) */
#define TOF_SACK 0x0080 /* Peer sent SACK option */
#define TOF_MAXOPT 0x0100
u_int32_t to_tsval; /* new timestamp */