static void enic_set_multicast_list(struct net_device *netdev)
{
struct enic *enic = netdev_priv(netdev);
struct dev_mc_list *list = netdev->mc_list;
int directed = 1;
int multicast = (netdev->flags & IFF_MULTICAST) ? 1 : 0;
int broadcast = (netdev->flags & IFF_BROADCAST) ? 1 : 0;
int promisc = (netdev->flags & IFF_PROMISC) ? 1 : 0;
int allmulti = (netdev->flags & IFF_ALLMULTI) ||
(netdev->mc_count > ENIC_MULTICAST_PERFECT_FILTERS);
u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN];
unsigned int mc_count = netdev->mc_count;
unsigned int i, j;
if (mc_count > ENIC_MULTICAST_PERFECT_FILTERS)
mc_count = ENIC_MULTICAST_PERFECT_FILTERS;
spin_lock(&enic->devcmd_lock);
vnic_dev_packet_filter(enic->vdev, directed,
multicast, broadcast, promisc, allmulti);
for (i = 0; list && i < mc_count; i++) {
memcpy(mc_addr[i], list->dmi_addr, ETH_ALEN);
list = list->next;
}
for (i = 0; i < enic->mc_count; i++) {
for (j = 0; j < mc_count; j++)
if (compare_ether_addr(enic->mc_addr[i],
mc_addr[j]) == 0)
break;
if (j == mc_count)
enic_del_multicast_addr(enic, enic->mc_addr[i]);
}
for (i = 0; i < mc_count; i++) {
for (j = 0; j < enic->mc_count; j++)
if (compare_ether_addr(mc_addr[i],
enic->mc_addr[j]) == 0)
break;
if (j == enic->mc_count)
enic_add_multicast_addr(enic, mc_addr[i]);
}
for (i = 0; i < mc_count; i++)
memcpy(enic->mc_addr[i], mc_addr[i], ETH_ALEN);
enic->mc_count = mc_count;
spin_unlock(&enic->devcmd_lock);
}
/* netif_tx_lock held, BHs disabled */
static void enic_set_multicast_list(struct net_device *netdev)
{
struct enic *enic = netdev_priv(netdev);
struct dev_mc_list *list = netdev->mc_list;
int directed = 1;
int multicast = (netdev->flags & IFF_MULTICAST) ? 1 : 0;
int broadcast = (netdev->flags & IFF_BROADCAST) ? 1 : 0;
int promisc = (netdev->flags & IFF_PROMISC) ? 1 : 0;
int allmulti = (netdev->flags & IFF_ALLMULTI) ||
(netdev->mc_count > ENIC_MULTICAST_PERFECT_FILTERS);
u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN];
unsigned int mc_count = netdev->mc_count;
unsigned int i, j;
if (mc_count > ENIC_MULTICAST_PERFECT_FILTERS)
mc_count = ENIC_MULTICAST_PERFECT_FILTERS;
spin_lock(&enic->devcmd_lock);
vnic_dev_packet_filter(enic->vdev, directed,
multicast, broadcast, promisc, allmulti);
/* Is there an easier way? Trying to minimize to
* calls to add/del multicast addrs. We keep the
* addrs from the last call in enic->mc_addr and
* look for changes to add/del.
*/
for (i = 0; list && i < mc_count; i++) {
memcpy(mc_addr[i], list->dmi_addr, ETH_ALEN);
list = list->next;
}
for (i = 0; i < enic->mc_count; i++) {
for (j = 0; j < mc_count; j++)
if (compare_ether_addr(enic->mc_addr[i],
mc_addr[j]) == 0)
break;
if (j == mc_count)
enic_del_multicast_addr(enic, enic->mc_addr[i]);
}
for (i = 0; i < mc_count; i++) {
for (j = 0; j < enic->mc_count; j++)
if (compare_ether_addr(mc_addr[i],
enic->mc_addr[j]) == 0)
break;
if (j == enic->mc_count)
enic_add_multicast_addr(enic, mc_addr[i]);
}
/* Save the list to compare against next time
*/
for (i = 0; i < mc_count; i++)
memcpy(enic->mc_addr[i], mc_addr[i], ETH_ALEN);
enic->mc_count = mc_count;
spin_unlock(&enic->devcmd_lock);
}
