diff options
Diffstat (limited to 'freebsd/sys/netinet/tcp_reass.c')
| -rw-r--r-- | freebsd/sys/netinet/tcp_reass.c | 36 |
1 files changed, 15 insertions, 21 deletions
diff --git a/freebsd/sys/netinet/tcp_reass.c b/freebsd/sys/netinet/tcp_reass.c index 6b2605ce..aebda9db 100644 --- a/freebsd/sys/netinet/tcp_reass.c +++ b/freebsd/sys/netinet/tcp_reass.c @@ -76,24 +76,19 @@ __FBSDID("$FreeBSD$"); #include <netinet/tcp_debug.h> #endif /* TCPDEBUG */ -static int tcp_reass_sysctl_maxseg(SYSCTL_HANDLER_ARGS); static int tcp_reass_sysctl_qsize(SYSCTL_HANDLER_ARGS); -SYSCTL_NODE(_net_inet_tcp, OID_AUTO, reass, CTLFLAG_RW, 0, +static SYSCTL_NODE(_net_inet_tcp, OID_AUTO, reass, CTLFLAG_RW, 0, "TCP Segment Reassembly Queue"); static VNET_DEFINE(int, tcp_reass_maxseg) = 0; #define V_tcp_reass_maxseg VNET(tcp_reass_maxseg) -SYSCTL_VNET_PROC(_net_inet_tcp_reass, OID_AUTO, maxsegments, - CTLTYPE_INT | CTLFLAG_RDTUN, - &VNET_NAME(tcp_reass_maxseg), 0, &tcp_reass_sysctl_maxseg, "I", +SYSCTL_VNET_INT(_net_inet_tcp_reass, OID_AUTO, maxsegments, CTLFLAG_RDTUN, + &VNET_NAME(tcp_reass_maxseg), 0, "Global maximum number of TCP Segments in Reassembly Queue"); -static VNET_DEFINE(int, tcp_reass_qsize) = 0; -#define V_tcp_reass_qsize VNET(tcp_reass_qsize) SYSCTL_VNET_PROC(_net_inet_tcp_reass, OID_AUTO, cursegments, - CTLTYPE_INT | CTLFLAG_RD, - &VNET_NAME(tcp_reass_qsize), 0, &tcp_reass_sysctl_qsize, "I", + (CTLTYPE_INT | CTLFLAG_RD), NULL, 0, &tcp_reass_sysctl_qsize, "I", "Global number of TCP Segments currently in Reassembly Queue"); static VNET_DEFINE(int, tcp_reass_overflows) = 0; @@ -111,8 +106,10 @@ static void tcp_reass_zone_change(void *tag) { + /* Set the zone limit and read back the effective value. */ V_tcp_reass_maxseg = nmbclusters / 16; - uma_zone_set_max(V_tcp_reass_zone, V_tcp_reass_maxseg); + V_tcp_reass_maxseg = uma_zone_set_max(V_tcp_reass_zone, + V_tcp_reass_maxseg); } void @@ -124,7 +121,9 @@ tcp_reass_init(void) &V_tcp_reass_maxseg); V_tcp_reass_zone = uma_zcreate("tcpreass", sizeof (struct tseg_qent), NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_NOFREE); - uma_zone_set_max(V_tcp_reass_zone, V_tcp_reass_maxseg); + /* Set the zone limit and read back the effective value. */ + V_tcp_reass_maxseg = uma_zone_set_max(V_tcp_reass_zone, + V_tcp_reass_maxseg); EVENTHANDLER_REGISTER(nmbclusters_change, tcp_reass_zone_change, NULL, EVENTHANDLER_PRI_ANY); } @@ -158,17 +157,12 @@ tcp_reass_flush(struct tcpcb *tp) } static int -tcp_reass_sysctl_maxseg(SYSCTL_HANDLER_ARGS) -{ - V_tcp_reass_maxseg = uma_zone_get_max(V_tcp_reass_zone); - return (sysctl_handle_int(oidp, arg1, arg2, req)); -} - -static int tcp_reass_sysctl_qsize(SYSCTL_HANDLER_ARGS) { - V_tcp_reass_qsize = uma_zone_get_cur(V_tcp_reass_zone); - return (sysctl_handle_int(oidp, arg1, arg2, req)); + int qsize; + + qsize = uma_zone_get_cur(V_tcp_reass_zone); + return (sysctl_handle_int(oidp, &qsize, 0, req)); } int @@ -299,7 +293,7 @@ tcp_reass(struct tcpcb *tp, struct tcphdr *th, int *tlenp, struct mbuf *m) th->th_seq += i; } } - tp->t_rcvoopack++; + tp->t_rcvoopack++; TCPSTAT_INC(tcps_rcvoopack); TCPSTAT_ADD(tcps_rcvoobyte, *tlenp); |