diff options
Diffstat (limited to 'sys/netinet/tcp_input.c')
| -rw-r--r-- | sys/netinet/tcp_input.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c index a7515ef..4c17f10d 100644 --- a/sys/netinet/tcp_input.c +++ b/sys/netinet/tcp_input.c @@ -99,7 +99,21 @@ __FBSDID("$FreeBSD$"); static const int tcprexmtthresh = 3; +#ifdef VIMAGE_GLOBALS struct tcpstat tcpstat; +int blackhole; +int tcp_delack_enabled; +int drop_synfin; +int tcp_do_rfc3042; +int tcp_do_rfc3390; +int tcp_do_ecn; +int tcp_ecn_maxretries; +int tcp_insecure_rst; +int tcp_do_autorcvbuf; +int tcp_autorcvbuf_inc; +int tcp_autorcvbuf_max; +#endif + SYSCTL_V_STRUCT(V_NET, vnet_inet, _net_inet_tcp, TCPCTL_STATS, stats, CTLFLAG_RW, tcpstat , tcpstat, "TCP statistics (struct tcpstat, netinet/tcp_var.h)"); @@ -108,59 +122,50 @@ int tcp_log_in_vain = 0; SYSCTL_INT(_net_inet_tcp, OID_AUTO, log_in_vain, CTLFLAG_RW, &tcp_log_in_vain, 0, "Log all incoming TCP segments to closed ports"); -static int blackhole = 0; SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_tcp, OID_AUTO, blackhole, CTLFLAG_RW, blackhole, 0, "Do not send RST on segments to closed ports"); -int tcp_delack_enabled = 1; SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_tcp, OID_AUTO, delayed_ack, CTLFLAG_RW, tcp_delack_enabled, 0, "Delay ACK to try and piggyback it onto a data packet"); -static int drop_synfin = 0; SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_tcp, OID_AUTO, drop_synfin, CTLFLAG_RW, drop_synfin, 0, "Drop TCP packets with SYN+FIN set"); -static int tcp_do_rfc3042 = 1; SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_tcp, OID_AUTO, rfc3042, CTLFLAG_RW, tcp_do_rfc3042, 0, "Enable RFC 3042 (Limited Transmit)"); -static int tcp_do_rfc3390 = 1; SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_tcp, OID_AUTO, rfc3390, CTLFLAG_RW, tcp_do_rfc3390, 0, "Enable RFC 3390 (Increasing TCP's Initial Congestion Window)"); -int tcp_do_ecn = 0; -int tcp_ecn_maxretries = 1; SYSCTL_NODE(_net_inet_tcp, OID_AUTO, ecn, CTLFLAG_RW, 0, "TCP ECN"); SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_tcp_ecn, OID_AUTO, enable, CTLFLAG_RW, tcp_do_ecn, 0, "TCP ECN support"); SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_tcp_ecn, OID_AUTO, maxretries, CTLFLAG_RW, tcp_ecn_maxretries, 0, "Max retries before giving up on ECN"); -static int tcp_insecure_rst = 0; SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_tcp, OID_AUTO, insecure_rst, CTLFLAG_RW, tcp_insecure_rst, 0, "Follow the old (insecure) criteria for accepting RST packets"); -int tcp_do_autorcvbuf = 1; SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_tcp, OID_AUTO, recvbuf_auto, CTLFLAG_RW, tcp_do_autorcvbuf, 0, "Enable automatic receive buffer sizing"); -int tcp_autorcvbuf_inc = 16*1024; SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_tcp, OID_AUTO, recvbuf_inc, CTLFLAG_RW, tcp_autorcvbuf_inc, 0, "Incrementor step size of automatic receive buffer"); -int tcp_autorcvbuf_max = 256*1024; SYSCTL_V_INT(V_NET, vnet_inet, _net_inet_tcp, OID_AUTO, recvbuf_max, CTLFLAG_RW, tcp_autorcvbuf_max, 0, "Max size of automatic receive buffer"); +#ifdef VIMAGE_GLOBALS struct inpcbhead tcb; -#define tcb6 tcb /* for KAME src sync over BSD*'s */ struct inpcbinfo tcbinfo; +#endif +#define tcb6 tcb /* for KAME src sync over BSD*'s */ static void tcp_dooptions(struct tcpopt *, u_char *, int, int); static void tcp_do_segment(struct mbuf *, struct tcphdr *, |
