u8 action_code;
u8 variable[];
} __packed s1g;
+ struct {
+ u8 action_code;
+ u8 dialog_token;
+ u8 follow_up;
+ u32 tod;
+ u32 toa;
+ u8 max_tod_error;
+ u8 max_toa_error;
+ } __packed wnm_timing_msr;
} u;
} __packed action;
} u;
WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
};
+/* Unprotected WNM action codes */
+enum ieee80211_unprotected_wnm_actioncode {
+ WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
+ WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
+};
+
+/* Public action codes */
+enum ieee80211_public_actioncode {
+ WLAN_PUBLIC_ACTION_FTM_RESPONSE = 33,
+};
+
/* Security key length */
enum ieee80211_key_len {
WLAN_KEY_LEN_WEP40 = 5,
return true;
}
+static inline bool ieee80211_is_timing_measurement(struct sk_buff *skb)
+{
+ struct ieee80211_mgmt *mgmt = (void *)skb->data;
+
+ if (skb->len < IEEE80211_MIN_ACTION_SIZE)
+ return false;
+
+ if (!ieee80211_is_action(mgmt->frame_control))
+ return false;
+
+ if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
+ mgmt->u.action.u.wnm_timing_msr.action_code ==
+ WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
+ skb->len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
+ return true;
+
+ return false;
+}
+
+static inline bool ieee80211_is_ftm(struct sk_buff *skb)
+{
+ struct ieee80211_mgmt *mgmt = (void *)skb->data;
+
+ if (!ieee80211_is_public_action((void *)mgmt, skb->len))
+ return false;
+
+ if (mgmt->u.action.u.ftm.action_code ==
+ WLAN_PUBLIC_ACTION_FTM_RESPONSE &&
+ skb->len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
+ return true;
+
+ return false;
+}
+
struct element {
u8 id;
u8 datalen;