arp: Don't send gratuitous ARP for devices that are not ethernet typed

Reported-by: alexh@ and swildner@

diff --git a/sys/netinet/if_ether.c b/sys/netinet/if_ether.c
index a795656..c60ec8e 100644 (file)
--- a/sys/netinet/if_ether.c
+++ b/sys/netinet/if_ether.c
@@ -1246,6 +1246,8 @@ static void
 arp_ifaddr(void *arg __unused, struct ifnet *ifp,
     enum ifaddr_event event, struct ifaddr *ifa)
 {
+       if (ifa->ifa_rtrequest != arp_rtrequest) /* XXX need a generic way */
+               return;
        if (ifa->ifa_addr->sa_family != AF_INET)
                return;
        if (event == IFADDR_EVENT_DELETE)