From eceb22ae0bdcb49daff9989f91fb3388fa501a69 Mon Sep 17 00:00:00 2001 From: Antonio Quartulli Date: Sat, 16 Nov 2013 12:03:51 +0100 Subject: 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 Signed-off-by: Marek Lindner --- net/batman-adv/main.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'net/batman-adv/main.c') diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c index 8abda424aae3..945e441b579d 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; -- cgit v1.2.3