qcacmn: Introduce API to modify MAC address in action frame

Introduce two APIs which will change the RA, DA and BSSID fields
of 802.11 MAC header.

For any non-public action frame, supplicant will send RA, DA and BSSID
with MLD address which needs to be translated to link addresses to
transmit over the air. wlan_mlo_update_action_frame_from_user() API
will do the address translation from MLD to link.

If any non-public action frame is received over the air that needs
to be sent to userspace, the kernel expects MLD address in RA, DA
and BSSID fields. wlan_mlo_update_action_frame_to_user() API will
do the address translation from link to MLD.

Change-Id: Iab93dd1301003b78edf6d619cfbf552afa53ae7a
CRs-Fixed: 3394706

umac/mlo_mgr/inc/wlan_mlo_mgr_main.h

@@ -918,6 +918,42 @@ QDF_STATUS wlan_mlo_check_valid_config(struct wlan_mlo_dev_context *ml_dev,
  */
 bool mlo_mgr_ml_peer_exist_on_diff_ml_ctx(uint8_t *peer_addr,
 					  uint8_t *peer_vdev_id);
+
+/**
+ * wlan_mlo_update_action_frame_from_user() - Change MAC address in WLAN frame
+ * received from userspace.
+ * @vdev: VDEV objmgr pointer.
+ * @frame: Pointer to start of WLAN MAC frame.
+ * @frame_len: Length of the frame.
+ *
+ * The API will translate MLD address in the SA, DA, BSSID for the action
+ * frames received from userspace with link address to send over the air.
+ * The API will not modify if the frame is a Public Action category frame and
+ * for VDEV other then STA mode.
+ *
+ * Return: void
+ */
+void wlan_mlo_update_action_frame_from_user(struct wlan_objmgr_vdev *vdev,
+					    uint8_t *frame,
+					    uint32_t frame_len);
+
+/**
+ * wlan_mlo_update_action_frame_to_user() - Change MAC address in WLAN frame
+ * received over the air.
+ * @vdev: VDEV objmgr pointer.
+ * @frame: Pointer to start of WLAN MAC frame.
+ * @frame_len: Length of the frame.
+ *
+ * The API will translate link address in the SA, DA, BSSID for the action
+ * frames received over the air with MLD address to send to userspace.
+ * The API will not modify if the frame is a Public Action category frame and
+ * for VDEV other then STA mode.
+ *
+ * Return: void
+ */
+void wlan_mlo_update_action_frame_to_user(struct wlan_objmgr_vdev *vdev,
+					  uint8_t *frame,
+					  uint32_t frame_len);
 #else
 static inline QDF_STATUS wlan_mlo_mgr_init(void)
 {
@@ -943,6 +979,20 @@ bool mlo_mgr_ml_peer_exist_on_diff_ml_ctx(uint8_t *peer_addr,
 	return false;
 }
 
+static inline
+void wlan_mlo_update_action_frame_from_user(struct wlan_objmgr_vdev *vdev,
+					    uint8_t *frame,
+					    uint32_t frame_len)
+{
+}
+
+static inline
+void wlan_mlo_update_action_frame_to_user(struct wlan_objmgr_vdev *vdev,
+					  uint8_t *frame,
+					  uint32_t frame_len)
+{
+}
+
 static inline
 uint8_t wlan_mlo_get_sta_mld_ctx_count(void)
 {