diff options
Diffstat (limited to 'sys/netinet/tcp_var.h')
| -rw-r--r-- | sys/netinet/tcp_var.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/netinet/tcp_var.h b/sys/netinet/tcp_var.h index ddcfd3cb9f0c..33353b47c2f9 100644 --- a/sys/netinet/tcp_var.h +++ b/sys/netinet/tcp_var.h @@ -179,6 +179,10 @@ struct tcpcb { tcp_seq snd_recover_prev; /* snd_recover prior to retransmit */ u_long t_badrxtwin; /* window for retransmit recovery */ u_char snd_limited; /* segments limited transmitted */ +/* anti DoS counters */ + u_long rcv_second; /* start of interval second */ + u_long rcv_pps; /* received packets per second */ + u_long rcv_byps; /* received bytes per second */ }; #define IN_FASTRECOVERY(tp) (tp->t_flags & TF_FASTRECOVERY) @@ -332,6 +336,7 @@ struct tcpstat { u_long tcps_connects; /* connections established */ u_long tcps_drops; /* connections dropped */ u_long tcps_conndrops; /* embryonic connections dropped */ + u_long tcps_minmssdrops; /* average minmss too low drops */ u_long tcps_closed; /* conn. closed (includes drops) */ u_long tcps_segstimed; /* segs where we tried to get rtt */ u_long tcps_rttupdated; /* times we succeeded */ @@ -473,6 +478,8 @@ extern struct inpcbhead tcb; /* head of queue of active tcpcb's */ extern struct inpcbinfo tcbinfo; extern struct tcpstat tcpstat; /* tcp statistics */ extern int tcp_mssdflt; /* XXX */ +extern int tcp_minmss; +extern int tcp_minmssoverload; extern int tcp_delack_enabled; extern int tcp_do_newreno; extern int path_mtu_discovery; |