diff options
Diffstat (limited to 'sys/net/if_ethersubr.c')
| -rw-r--r-- | sys/net/if_ethersubr.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/sys/net/if_ethersubr.c b/sys/net/if_ethersubr.c index 18c45f4..ff63303 100644 --- a/sys/net/if_ethersubr.c +++ b/sys/net/if_ethersubr.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)if_ethersubr.c 8.1 (Berkeley) 6/10/93 - * $Id: if_ethersubr.c,v 1.7 1995/05/09 13:35:39 davidg Exp $ + * $Id: if_ethersubr.c,v 1.8.2.1 1995/06/03 04:46:21 davidg Exp $ */ #include <sys/param.h> @@ -523,6 +523,7 @@ ether_addmulti(ifr, ac) struct sockaddr_in *sin; u_char addrlo[6]; u_char addrhi[6]; + int set_allmulti = 0; int s = splimp(); switch (ifr->ifr_addr.sa_family) { @@ -543,6 +544,7 @@ ether_addmulti(ifr, ac) */ bcopy(ether_ipmulticast_min, addrlo, 6); bcopy(ether_ipmulticast_max, addrhi, 6); + set_allmulti = 1; } else { ETHER_MAP_IP_MULTICAST(&sin->sin_addr, addrlo); @@ -592,6 +594,9 @@ ether_addmulti(ifr, ac) ac->ac_multiaddrs = enm; ac->ac_multicnt++; splx(s); + if (set_allmulti) + ac->ac_if.if_flags |= IFF_ALLMULTI; + /* * Return ENETRESET to inform the driver that the list has changed * and its reception filter should be adjusted accordingly. @@ -612,6 +617,7 @@ ether_delmulti(ifr, ac) struct sockaddr_in *sin; u_char addrlo[6]; u_char addrhi[6]; + int unset_allmulti = 0; int s = splimp(); switch (ifr->ifr_addr.sa_family) { @@ -632,6 +638,7 @@ ether_delmulti(ifr, ac) */ bcopy(ether_ipmulticast_min, addrlo, 6); bcopy(ether_ipmulticast_max, addrhi, 6); + unset_allmulti = 1; } else { ETHER_MAP_IP_MULTICAST(&sin->sin_addr, addrlo); @@ -671,6 +678,9 @@ ether_delmulti(ifr, ac) free(enm, M_IFMADDR); ac->ac_multicnt--; splx(s); + if (unset_allmulti) + ac->ac_if.if_flags &= ~IFF_ALLMULTI; + /* * Return ENETRESET to inform the driver that the list has changed * and its reception filter should be adjusted accordingly. |
