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Index: sys/netgraph/ng_bridge.c
===================================================================
--- sys/netgraph/ng_bridge.c
+++ sys/netgraph/ng_bridge.c
@@ -110,7 +110,7 @@
/* Per-link private data */
struct ng_bridge_link {
hook_p hook; /* netgraph hook */
- u_int16_t loopCount; /* loop ignore timer */
+ counter_u64_t loopCount; /* loop ignore timer */
struct ng_bridge_link_kernel_stats stats; /* link stats */
};
@@ -385,6 +385,7 @@
if (link == NULL)
return (ENOMEM);
+ link->loopCount = counter_u64_alloc(M_WAITOK);
link->stats.recvOctets = counter_u64_alloc(M_WAITOK);
link->stats.recvPackets = counter_u64_alloc(M_WAITOK);
link->stats.recvMulticasts = counter_u64_alloc(M_WAITOK);
@@ -436,7 +437,7 @@
{
link_p priv = NG_HOOK_PRIVATE(hook);
- priv->loopCount = 0;
+ counter_u64_zero(priv->loopCount);
ng_bridge_clear_link_stats(&priv->stats);
return (1);
}
@@ -761,7 +762,7 @@
}
/* Is link disabled due to a loopback condition? */
- if (ctx.incoming->loopCount != 0) {
+ if (counter_u64_fetch(ctx.incoming->loopCount) != 0) {
counter_u64_add(ctx.incoming->stats.loopDrops, 1);
NG_FREE_ITEM(item);
NG_FREE_M(ctx.m);
@@ -809,7 +810,8 @@
}
/* Mark link as linka non grata */
- ctx.incoming->loopCount = priv->conf.loopTimeout;
+ counter_u64_add(ctx.incoming->loopCount,
+ priv->conf.loopTimeout);
counter_u64_add(ctx.incoming->stats.loopDetects, 1);
/* Forget all hosts on this link */
@@ -926,6 +928,7 @@
ng_bridge_remove_hosts(priv, link);
/* Free associated link information */
+ counter_u64_free(link->loopCount);
counter_u64_free(link->stats.recvOctets);
counter_u64_free(link->stats.recvPackets);
counter_u64_free(link->stats.recvMulticasts);
@@ -1117,13 +1120,22 @@
node_p node = NG_HOOK_NODE(hook);
priv_p priv = NG_NODE_PRIVATE(node);
int *counter = arg;
-
- if (link->loopCount != 0) {
- link->loopCount--;
- if (link->loopCount == 0 && priv->conf.debugLevel >= 2) {
- log(LOG_INFO, "ng_bridge: %s:"
- " restoring looped back %s\n",
- ng_bridge_nodename(node), NG_HOOK_NAME(hook));
+ uint64_t loopCount = counter_u64_fetch(link->loopCount);
+
+ if (loopCount != 0) {
+ if (loopCount > priv->conf.loopTimeout) {
+ counter_u64_zero(link->loopCount);
+ counter_u64_add(link->loopCount,
+ priv->conf.loopTimeout);
+ } else if (loopCount > 2)
+ counter_u64_add(link->loopCount, -1);
+ else {
+ counter_u64_zero(link->loopCount);
+ if (priv->conf.debugLevel >= 2)
+ log(LOG_INFO, "ng_bridge: %s:"
+ " restoring looped back %s\n",
+ ng_bridge_nodename(node),
+ NG_HOOK_NAME(hook));
}
}
(*counter)++;

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