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batman-adv: make sure ELP/OGM orig MAC is updated on address change

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When the MAC address of the primary interface is changed,
update the originator address in the ELP and OGM skb buffers as
well in order to reflect the change.

Fixes: d6f94d91f7 ("batman-adv: ELP - adding basic infrastructure")
Reported-by: Marek Lindner <marek@neomailbox.ch>
Signed-off-by: Antonio Quartulli <a@unstable.cc>
This commit is contained in:
Antonio Quartulli 2016-05-02 01:14:40 +08:00
parent f7dcdf5fdb
commit 1653f61d65
1 changed files with 22 additions and 4 deletions
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26
net/batman-adv/bat_v.c
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@ -73,16 +73,34 @@ static void batadv_v_iface_disable(struct batadv_hard_iface *hard_iface)
batadv_v_elp_iface_disable(hard_iface);
}
static void batadv_v_iface_update_mac(struct batadv_hard_iface *hard_iface)
{
}
static void batadv_v_primary_iface_set(struct batadv_hard_iface *hard_iface)
{
batadv_v_elp_primary_iface_set(hard_iface);
batadv_v_ogm_primary_iface_set(hard_iface);
}
/**
* batadv_v_iface_update_mac - react to hard-interface MAC address change
* @hard_iface: the modified interface
*
* If the modified interface is the primary one, update the originator
* address in the ELP and OGM messages to reflect the new MAC address.
*/
static void batadv_v_iface_update_mac(struct batadv_hard_iface *hard_iface)
{
struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
struct batadv_hard_iface *primary_if;
primary_if = batadv_primary_if_get_selected(bat_priv);
if (primary_if != hard_iface)
goto out;
batadv_v_primary_iface_set(hard_iface);
out:
if (primary_if)
batadv_hardif_put(primary_if);
}
static void
batadv_v_hardif_neigh_init(struct batadv_hardif_neigh_node *hardif_neigh)
{