int dev_mc_add(struct net_device *dev, void *addr, int alen, int glbl)
{
int err;
netif_addr_lock_bh(dev);
if (alen != dev->addr_len)
return -EINVAL;
err = __dev_addr_add(&dev->mc_list, &dev->mc_count, addr, alen, glbl);
if (!err)
__dev_set_rx_mode(dev);
netif_addr_unlock_bh(dev);
return err;
}
/**
* dev_mc_sync - Synchronize device's multicast list to another device
* @to: destination device
* @from: source device
*
* Add newly added addresses to the destination device and release
* addresses that have no users left. The source device must be
* locked by netif_tx_lock_bh.
*
* This function is intended to be called from the dev->set_multicast_list
* or dev->set_rx_mode function of layered software devices.
*/
int dev_mc_sync(struct net_device *to, struct net_device *from)
{
int err = 0;
netif_addr_lock_bh(to);
err = __dev_addr_sync(&to->mc_list, &to->mc_count,
&from->mc_list, &from->mc_count);
if (!err)
__dev_set_rx_mode(to);
netif_addr_unlock_bh(to);
return err;
}
static int lbs_add_mcast_addrs(struct cmd_ds_mac_multicast_adr *cmd,
struct net_device *dev, int nr_addrs)
{
int i = nr_addrs;
struct netdev_hw_addr *ha;
int cnt;
if ((dev->flags & (IFF_UP|IFF_MULTICAST)) != (IFF_UP|IFF_MULTICAST))
return nr_addrs;
netif_addr_lock_bh(dev);
cnt = netdev_mc_count(dev);
netdev_for_each_mc_addr(ha, dev) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
if (mac_in_list(cmd->maclist, nr_addrs, ha->addr)) {
#else
if (mac_in_list(cmd->maclist, nr_addrs, ha->dmi_addr)) {
#endif
lbs_deb_net("mcast address %s:%pM skipped\n", dev->name,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
ha->addr);
#else
ha->dmi_addr);
#endif
cnt--;
continue;
}
if (i == MRVDRV_MAX_MULTICAST_LIST_SIZE)
break;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
memcpy(&cmd->maclist[6*i], ha->addr, ETH_ALEN);
#else
memcpy(&cmd->maclist[6*i], ha->dmi_addr, ETH_ALEN);
#endif
lbs_deb_net("mcast address %s:%pM added to filter\n", dev->name,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
ha->addr);
#else
ha->dmi_addr);
#endif
i++;
cnt--;
}
netif_addr_unlock_bh(dev);
if (cnt)
return -EOVERFLOW;
return i;
}
int dev_mc_delete(struct net_device *dev, void *addr, int alen, int glbl)
{
int err;
netif_addr_lock_bh(dev);
err = __dev_addr_delete(&dev->mc_list, &dev->mc_count,
addr, alen, glbl);
if (!err) {
/*
* We have altered the list, so the card
* loaded filter is now wrong. Fix it
*/
__dev_set_rx_mode(dev);
}
netif_addr_unlock_bh(dev);
return err;
}
static int dev_mc_seq_show(struct seq_file *seq, void *v)
{
struct dev_addr_list *m;
struct net_device *dev = v;
if (v == SEQ_START_TOKEN)
return 0;
netif_addr_lock_bh(dev);
for (m = dev->mc_list; m; m = m->next) {
int i;
seq_printf(seq, "%-4d %-15s %-5d %-5d ", dev->ifindex,
dev->name, m->dmi_users, m->dmi_gusers);
for (i = 0; i < m->dmi_addrlen; i++)
seq_printf(seq, "%02x", m->dmi_addr[i]);
seq_putc(seq, '\n');
}
netif_addr_unlock_bh(dev);
return 0;
}
