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authorAntonio Quartulli <antonio@open-mesh.com>2013-11-16 12:03:51 +0100
committerAntonio Quartulli <antonio@meshcoding.com>2014-01-08 20:49:45 +0100
commiteceb22ae0bdcb49daff9989f91fb3388fa501a69 (patch)
treec040a5350d949ecbde205968086be5311ea621db /net/batman-adv/main.c
parent2d2fcc2a3ff79de1fa3fba10f88c324d769392af (diff)
batman-adv: create helper function to get AP isolation status
The AP isolation status may be evaluated in different spots. Create an helper function to avoid code duplication. Signed-off-by: Antonio Quartulli <antonio@open-mesh.com> Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Diffstat (limited to 'net/batman-adv/main.c')
-rw-r--r--net/batman-adv/main.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
index 8abda424aae..945e441b579 100644
--- a/net/batman-adv/main.c
+++ b/net/batman-adv/main.c
@@ -1171,6 +1171,32 @@ unsigned short batadv_get_vid(struct sk_buff *skb, size_t header_len)
return vid;
}
+/**
+ * batadv_vlan_ap_isola_get - return the AP isolation status for the given vlan
+ * @bat_priv: the bat priv with all the soft interface information
+ * @vid: the VLAN identifier for which the AP isolation attributed as to be
+ * looked up
+ *
+ * Returns true if AP isolation is on for the VLAN idenfied by vid, false
+ * otherwise
+ */
+bool batadv_vlan_ap_isola_get(struct batadv_priv *bat_priv, unsigned short vid)
+{
+ bool ap_isolation_enabled = false;
+ struct batadv_softif_vlan *vlan;
+
+ /* if the AP isolation is requested on a VLAN, then check for its
+ * setting in the proper VLAN private data structure
+ */
+ vlan = batadv_softif_vlan_get(bat_priv, vid);
+ if (vlan) {
+ ap_isolation_enabled = atomic_read(&vlan->ap_isolation);
+ batadv_softif_vlan_free_ref(vlan);
+ }
+
+ return ap_isolation_enabled;
+}
+
static int batadv_param_set_ra(const char *val, const struct kernel_param *kp)
{
struct batadv_algo_ops *bat_algo_ops;