ocp_data |= RCR_AM | RCR_AAP;
mc_filter[1] = 0xffffffff;
mc_filter[0] = 0xffffffff;
- } else if ((netdev_mc_count(netdev) > multicast_filter_limit) ||
- (netdev->flags & IFF_ALLMULTI)) {
+ } else if ((netdev->flags & IFF_MULTICAST &&
+ netdev_mc_count(netdev) > multicast_filter_limit) ||
+ (netdev->flags & IFF_ALLMULTI)) {
/* Too many to filter perfectly -- accept all multicasts. */
ocp_data |= RCR_AM;
mc_filter[1] = 0xffffffff;
mc_filter[0] = 0xffffffff;
} else {
- struct netdev_hw_addr *ha;
-
mc_filter[1] = 0;
mc_filter[0] = 0;
- netdev_for_each_mc_addr(ha, netdev) {
- int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
- mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
- ocp_data |= RCR_AM;
+ if (netdev->flags & IFF_MULTICAST) {
+ struct netdev_hw_addr *ha;
+
+ netdev_for_each_mc_addr(ha, netdev) {
+ int bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
+
+ mc_filter[bit_nr >> 5] |= 1 << (bit_nr & 31);
+ ocp_data |= RCR_AM;
+ }
}
}