diff options
| -rw-r--r-- | sys/netinet/tcp_subr.c | 5 | ||||
| -rw-r--r-- | sys/netinet/tcp_timewait.c | 5 | ||||
| -rw-r--r-- | sys/netinet/tcp_var.h | 5 |
3 files changed, 12 insertions, 3 deletions
diff --git a/sys/netinet/tcp_subr.c b/sys/netinet/tcp_subr.c index 381824d..b2f96a2 100644 --- a/sys/netinet/tcp_subr.c +++ b/sys/netinet/tcp_subr.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)tcp_subr.c 8.1 (Berkeley) 6/10/93 - * $Id: tcp_subr.c,v 1.10 1995/04/09 01:29:26 davidg Exp $ + * $Id: tcp_subr.c,v 1.11 1995/05/30 08:09:58 rgrimes Exp $ */ #include <sys/param.h> @@ -333,6 +333,7 @@ tcp_close(tp) (rt->rt_rmx.rmx_rtt + i) / 2; else rt->rt_rmx.rmx_rtt = i; + tcpstat.tcps_cachedrtt++; } if ((rt->rt_rmx.rmx_locks & RTV_RTTVAR) == 0) { i = tp->t_rttvar * @@ -342,6 +343,7 @@ tcp_close(tp) (rt->rt_rmx.rmx_rttvar + i) / 2; else rt->rt_rmx.rmx_rttvar = i; + tcpstat.tcps_cachedrttvar++; } /* * update the pipelimit (ssthresh) if it has been updated @@ -366,6 +368,7 @@ tcp_close(tp) (rt->rt_rmx.rmx_ssthresh + i) / 2; else rt->rt_rmx.rmx_ssthresh = i; + tcpstat.tcps_cachedssthresh++; } } #endif /* RTV_RTT */ diff --git a/sys/netinet/tcp_timewait.c b/sys/netinet/tcp_timewait.c index 381824d..b2f96a2 100644 --- a/sys/netinet/tcp_timewait.c +++ b/sys/netinet/tcp_timewait.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)tcp_subr.c 8.1 (Berkeley) 6/10/93 - * $Id: tcp_subr.c,v 1.10 1995/04/09 01:29:26 davidg Exp $ + * $Id: tcp_subr.c,v 1.11 1995/05/30 08:09:58 rgrimes Exp $ */ #include <sys/param.h> @@ -333,6 +333,7 @@ tcp_close(tp) (rt->rt_rmx.rmx_rtt + i) / 2; else rt->rt_rmx.rmx_rtt = i; + tcpstat.tcps_cachedrtt++; } if ((rt->rt_rmx.rmx_locks & RTV_RTTVAR) == 0) { i = tp->t_rttvar * @@ -342,6 +343,7 @@ tcp_close(tp) (rt->rt_rmx.rmx_rttvar + i) / 2; else rt->rt_rmx.rmx_rttvar = i; + tcpstat.tcps_cachedrttvar++; } /* * update the pipelimit (ssthresh) if it has been updated @@ -366,6 +368,7 @@ tcp_close(tp) (rt->rt_rmx.rmx_ssthresh + i) / 2; else rt->rt_rmx.rmx_ssthresh = i; + tcpstat.tcps_cachedssthresh++; } } #endif /* RTV_RTT */ diff --git a/sys/netinet/tcp_var.h b/sys/netinet/tcp_var.h index 56d9f3e..c5f35d3 100644 --- a/sys/netinet/tcp_var.h +++ b/sys/netinet/tcp_var.h @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)tcp_var.h 8.3 (Berkeley) 4/10/94 - * $Id: tcp_var.h,v 1.10 1995/03/16 18:15:07 bde Exp $ + * $Id: tcp_var.h,v 1.11 1995/04/09 01:29:29 davidg Exp $ */ #ifndef _NETINET_TCP_VAR_H_ @@ -277,6 +277,9 @@ struct tcpstat { u_long tcps_predack; /* times hdr predict ok for acks */ u_long tcps_preddat; /* times hdr predict ok for data pkts */ u_long tcps_pcbcachemiss; + u_long tcps_cachedrtt; /* times cached RTT in route updated */ + u_long tcps_cachedrttvar; /* times cached rttvar updated */ + u_long tcps_cachedssthresh; /* times cached ssthresh updated */ }; /* |
