From: Avraham Stern <avraham.stern@xxxxxxxxx>
Signed-off-by: Avraham Stern <avraham.stern@xxxxxxxxx>
Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>
---
include/linux/ieee80211.h | 54 +++++++++++++++++++++++++++++++++++++++
1 file changed, 54 insertions(+)
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 75d40acb60c1..313aabb2d511 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -1301,6 +1301,15 @@ struct ieee80211_mgmt {
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;
@@ -3464,6 +3473,17 @@ enum ieee80211_mesh_actioncode {
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,
@@ -4252,6 +4272,40 @@ static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
return true;
}
+static inline bool ieee80211_is_timing_measurement(struct sk_buff *skb)
+{
+ struct ieee80211_mgmt *mgmt = (void *)skb->data;
+
+ if (!ieee80211_is_action(mgmt->frame_control))
+ return false;
+
+ if (skb->len < IEEE80211_MIN_ACTION_SIZE)
+ 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;
--
2.35.1
