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path: root/net/batman-adv/bat_v_elp.c
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Diffstat (limited to 'net/batman-adv/bat_v_elp.c')
-rw-r--r--net/batman-adv/bat_v_elp.c31
1 files changed, 22 insertions, 9 deletions
diff --git a/net/batman-adv/bat_v_elp.c b/net/batman-adv/bat_v_elp.c
index 3844e7efd0b0..df42eb1365a0 100644
--- a/net/batman-adv/bat_v_elp.c
+++ b/net/batman-adv/bat_v_elp.c
@@ -377,6 +377,27 @@ void batadv_v_elp_iface_disable(struct batadv_hard_iface *hard_iface)
}
/**
+ * batadv_v_elp_iface_activate - update the ELP buffer belonging to the given
+ * hard-interface
+ * @primary_iface: the new primary interface
+ * @hard_iface: interface holding the to-be-updated buffer
+ */
+void batadv_v_elp_iface_activate(struct batadv_hard_iface *primary_iface,
+ struct batadv_hard_iface *hard_iface)
+{
+ struct batadv_elp_packet *elp_packet;
+ struct sk_buff *skb;
+
+ if (!hard_iface->bat_v.elp_skb)
+ return;
+
+ skb = hard_iface->bat_v.elp_skb;
+ elp_packet = (struct batadv_elp_packet *)skb->data;
+ ether_addr_copy(elp_packet->orig,
+ primary_iface->net_dev->dev_addr);
+}
+
+/**
* batadv_v_elp_primary_iface_set - change internal data to reflect the new
* primary interface
* @primary_iface: the new primary interface
@@ -384,8 +405,6 @@ void batadv_v_elp_iface_disable(struct batadv_hard_iface *hard_iface)
void batadv_v_elp_primary_iface_set(struct batadv_hard_iface *primary_iface)
{
struct batadv_hard_iface *hard_iface;
- struct batadv_elp_packet *elp_packet;
- struct sk_buff *skb;
/* update orig field of every elp iface belonging to this mesh */
rcu_read_lock();
@@ -393,13 +412,7 @@ void batadv_v_elp_primary_iface_set(struct batadv_hard_iface *primary_iface)
if (primary_iface->soft_iface != hard_iface->soft_iface)
continue;
- if (!hard_iface->bat_v.elp_skb)
- continue;
-
- skb = hard_iface->bat_v.elp_skb;
- elp_packet = (struct batadv_elp_packet *)skb->data;
- ether_addr_copy(elp_packet->orig,
- primary_iface->net_dev->dev_addr);
+ batadv_v_elp_iface_activate(primary_iface, hard_iface);
}
rcu_read_unlock();
}