diff options
| -rw-r--r-- | sys/netinet/if_ether.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/sys/netinet/if_ether.c b/sys/netinet/if_ether.c index 05b47e8..ab54fd9 100644 --- a/sys/netinet/if_ether.c +++ b/sys/netinet/if_ether.c @@ -921,16 +921,21 @@ arplookup(addr, create, proxy) why = "gateway route is not ours"; if (why) { - if (create) + if (create) { log(LOG_DEBUG, "arplookup %s failed: %s\n", inet_ntoa(sin.sin_addr), why); - - /* If there are no references to this route, purge it */ - if (rt->rt_refcnt <= 0 && (rt->rt_flags & RTF_WASCLONED)) { - rtrequest(RTM_DELETE, - (struct sockaddr *)rt_key(rt), - rt->rt_gateway, rt_mask(rt), - rt->rt_flags, 0); + /* + * If there are no references to this Layer 2 route, + * and it is a cloned route, and not static, and + * arplookup() is creating the route, then purge + * it from the routing table as it is probably bogus. + */ + if (((rt->rt_flags & (RTF_STATIC | RTF_WASCLONED)) == + RTF_WASCLONED) && (rt->rt_refcnt == 0)) + rtrequest(RTM_DELETE, + (struct sockaddr *)rt_key(rt), + rt->rt_gateway, rt_mask(rt), + rt->rt_flags, 0); } return (0); } |
