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fix netboot issue by disabling flowtable lookups until initialization has been run

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Reviewed by:	rwatson@
Approved by:	re@
This commit is contained in:
kmacy 2009-08-17 19:09:28 +00:00
parent 22b825888b
commit 2836450c4c
1 changed files with 4 additions and 1 deletions
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5
sys/net/flowtable.c
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@ -203,6 +203,7 @@ static VNET_DEFINE(int, flowtable_udp_expire) = UDP_IDLE;
static VNET_DEFINE(int, flowtable_fin_wait_expire) = FIN_WAIT_IDLE;
static VNET_DEFINE(int, flowtable_tcp_expire) = TCP_IDLE;
static VNET_DEFINE(int, flowtable_nmbflows) = 4096;
static VNET_DEFINE(int, flowtable_ready) = 0;
#define V_flowtable_enable VNET(flowtable_enable)
#define V_flowtable_hits VNET(flowtable_hits)
@ -217,6 +218,7 @@ static VNET_DEFINE(int, flowtable_nmbflows) = 4096;
#define V_flowtable_fin_wait_expire VNET(flowtable_fin_wait_expire)
#define V_flowtable_tcp_expire VNET(flowtable_tcp_expire)
#define V_flowtable_nmbflows VNET(flowtable_nmbflows)
#define V_flowtable_ready VNET(flowtable_ready)
SYSCTL_NODE(_net_inet, OID_AUTO, flowtable, CTLFLAG_RD, NULL, "flowtable");
SYSCTL_VNET_INT(_net_inet_flowtable, OID_AUTO, enable, CTLFLAG_RW,
@ -345,7 +347,7 @@ ipv4_flow_lookup_hash_internal(struct mbuf *m, struct route *ro,
struct udphdr *uh;
struct sctphdr *sh;
if (V_flowtable_enable == 0)
if ((V_flowtable_enable == 0) || (V_flowtable_ready == 0))
return (0);
key[1] = key[0] = 0;
@ -799,6 +801,7 @@ flowtable_init(const void *unused __unused)
NULL, NULL, NULL, NULL, 64, UMA_ZONE_MAXBUCKET);
uma_zone_set_max(V_flow_ipv4_zone, V_flowtable_nmbflows);
uma_zone_set_max(V_flow_ipv6_zone, V_flowtable_nmbflows);
V_flowtable_ready = 1;
}
VNET_SYSINIT(flowtable_init, SI_SUB_KTHREAD_INIT, SI_ORDER_ANY,