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batman-adv: tvlv - convert roaming adv packet to use tvlv unicast packets

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Instead of generating roaming specific packets the TVLV unicast API is
used to send roaming information.

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
This commit is contained in:
Marek Lindner
2013-04-23 21:40:03 +08:00
committed by Antonio Quartulli
parent 335fbe0f5d
commit 122edaa059
4 changed files with 86 additions and 83 deletions
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42
net/batman-adv/routing.c
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@@ -557,48 +557,6 @@ static int batadv_check_unicast_packet(struct batadv_priv *bat_priv,
return 0;
}
int batadv_recv_roam_adv(struct sk_buff *skb, struct batadv_hard_iface *recv_if)
{
struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface);
struct batadv_roam_adv_packet *roam_adv_packet;
struct batadv_orig_node *orig_node;
if (batadv_check_unicast_packet(bat_priv, skb,
sizeof(*roam_adv_packet)) < 0)
goto out;
batadv_inc_counter(bat_priv, BATADV_CNT_TT_ROAM_ADV_RX);
roam_adv_packet = (struct batadv_roam_adv_packet *)skb->data;
if (!batadv_is_my_mac(bat_priv, roam_adv_packet->dst))
return batadv_route_unicast_packet(skb, recv_if);
/* check if it is a backbone gateway. we don't accept
* roaming advertisement from it, as it has the same
* entries as we have.
*/
if (batadv_bla_is_backbone_gw_orig(bat_priv, roam_adv_packet->src))
goto out;
orig_node = batadv_orig_hash_find(bat_priv, roam_adv_packet->src);
if (!orig_node)
goto out;
batadv_dbg(BATADV_DBG_TT, bat_priv,
"Received ROAMING_ADV from %pM (client %pM)\n",
roam_adv_packet->src, roam_adv_packet->client);
batadv_tt_global_add(bat_priv, orig_node, roam_adv_packet->client,
BATADV_TT_CLIENT_ROAM,
atomic_read(&orig_node->last_ttvn) + 1);
batadv_orig_node_free_ref(orig_node);
out:
/* returning NET_RX_DROP will make the caller function kfree the skb */
return NET_RX_DROP;
}
/* find a suitable router for this originator, and use
* bonding if possible. increases the found neighbors
* refcount.