From b67689ea7eaab86f990d77dd86336b0496c2bb97 Mon Sep 17 00:00:00 2001 From: bz Date: Sat, 21 Sep 2013 10:01:51 +0000 Subject: Introduce spares in the TCP syncache and timewait structures so that fixed TCP_SIGNATURE handling can later be merged. This is derived from follow-up work to SVN r183001 posted to net@ on Sep 13 2008. Approved by: re (gjb) --- sys/netinet/tcp_var.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'sys/netinet/tcp_var.h') diff --git a/sys/netinet/tcp_var.h b/sys/netinet/tcp_var.h index aaaa4a4..e3197e5 100644 --- a/sys/netinet/tcp_var.h +++ b/sys/netinet/tcp_var.h @@ -211,7 +211,7 @@ struct tcpcb { u_int t_tsomax; /* tso burst length limit */ uint32_t t_ispare[8]; /* 5 UTO, 3 TBD */ - void *t_pspare2[4]; /* 4 TBD */ + void *t_pspare2[4]; /* 1 TCP_SIGNATURE, 3 TBD */ uint64_t _pad[6]; /* 6 TBD (1-2 CC/RTT?) */ }; @@ -353,6 +353,8 @@ struct tcptw { u_int t_starttime; int tw_time; TAILQ_ENTRY(tcptw) tw_2msl; + void *tw_pspare; /* TCP_SIGNATURE */ + u_int *tw_spare; /* TCP_SIGNATURE */ }; #define intotcpcb(ip) ((struct tcpcb *)(ip)->inp_ppcb) -- cgit v1.1