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Included fixes: 

- fix the behaviour of batman-adv in case of virtual interface MAC change event
 - fix symmetric link check in neighbour selection
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Merge tag 'batman-adv-fix-for-davem' of git://git.open-mesh.org/linux-merge

Included fixes:
- fix the behaviour of batman-adv in case of virtual interface MAC change event
- fix symmetric link check in neighbour selection

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2012-09-25 13:24:02 -04:00
parent 1b05c4b50e 7caf69fb9c
commit 78cc88c408
2 changed files with 12 additions and 8 deletions
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13
net/batman-adv/bat_iv_ogm.c
View File

@ -642,7 +642,8 @@ batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv,
struct batadv_neigh_node *router = NULL;
struct batadv_orig_node *orig_node_tmp;
struct hlist_node *node;
uint8_t bcast_own_sum_orig, bcast_own_sum_neigh;
int if_num;
uint8_t sum_orig, sum_neigh;
uint8_t *neigh_addr;
batadv_dbg(BATADV_DBG_BATMAN, bat_priv,
@ -727,17 +728,17 @@ batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv,
if (router && (neigh_node->tq_avg == router->tq_avg)) {
orig_node_tmp = router->orig_node;
spin_lock_bh(&orig_node_tmp->ogm_cnt_lock);
bcast_own_sum_orig =
orig_node_tmp->bcast_own_sum[if_incoming->if_num];
if_num = router->if_incoming->if_num;
sum_orig = orig_node_tmp->bcast_own_sum[if_num];
spin_unlock_bh(&orig_node_tmp->ogm_cnt_lock);
orig_node_tmp = neigh_node->orig_node;
spin_lock_bh(&orig_node_tmp->ogm_cnt_lock);
bcast_own_sum_neigh =
orig_node_tmp->bcast_own_sum[if_incoming->if_num];
if_num = neigh_node->if_incoming->if_num;
sum_neigh = orig_node_tmp->bcast_own_sum[if_num];
spin_unlock_bh(&orig_node_tmp->ogm_cnt_lock);
if (bcast_own_sum_orig >= bcast_own_sum_neigh)
if (sum_orig >= sum_neigh)
goto update_tt;
}

7
net/batman-adv/soft-interface.c
View File

@ -100,18 +100,21 @@ static int batadv_interface_set_mac_addr(struct net_device *dev, void *p)
{
struct batadv_priv *bat_priv = netdev_priv(dev);
struct sockaddr *addr = p;
uint8_t old_addr[ETH_ALEN];
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
memcpy(old_addr, dev->dev_addr, ETH_ALEN);
memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
/* only modify transtable if it has been initialized before */
if (atomic_read(&bat_priv->mesh_state) == BATADV_MESH_ACTIVE) {
batadv_tt_local_remove(bat_priv, dev->dev_addr,
batadv_tt_local_remove(bat_priv, old_addr,
"mac address changed", false);
batadv_tt_local_add(dev, addr->sa_data, BATADV_NULL_IFINDEX);
}
memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
dev->addr_assign_type &= ~NET_ADDR_RANDOM;
return 0;
}