diff options
| -rw-r--r-- | sys/netinet/if_ether.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/sys/netinet/if_ether.c b/sys/netinet/if_ether.c index 221454223b73..ce1487fad2d6 100644 --- a/sys/netinet/if_ether.c +++ b/sys/netinet/if_ether.c @@ -855,12 +855,20 @@ match: arp_check_update_lle(ah, isaddr, ifp, bridged, la); else if (itaddr.s_addr == myaddr.s_addr) { /* - * Reply to our address, but no lle exists yet. - * do we really have to create an entry? + * Request/reply to our address, but no lle exists yet. + * Try to create new llentry. */ la = lltable_alloc_entry(LLTABLE(ifp), 0, dst); - if (la == NULL) - goto drop; + if (la == NULL) { + + /* + * lle creation may fail if source address belongs + * to non-directly connected subnet. However, we + * will try to answer the request instead of dropping + * frame. + */ + goto reply; + } lltable_set_entry_addr(ifp, la, ar_sha(ah)); IF_AFDATA_WLOCK(ifp); |