mesh: Parse mesh-related information elements

Add support for parsing mesh id, mesh config, mesh peering,
AMPE and MIC information elements.

Signed-off-by: Bob Copeland <me@bobcopeland.com>

src/common/ieee802_11_common.c

@@ -249,6 +249,18 @@ ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
 			elems->ht_operation = pos;
 			elems->ht_operation_len = elen;
 			break;
+		case WLAN_EID_MESH_CONFIG:
+			elems->mesh_config = pos;
+			elems->mesh_config_len = elen;
+			break;
+		case WLAN_EID_MESH_ID:
+			elems->mesh_id = pos;
+			elems->mesh_id_len = elen;
+			break;
+		case WLAN_EID_PEER_MGMT:
+			elems->peer_mgmt = pos;
+			elems->peer_mgmt_len = elen;
+			break;
 		case WLAN_EID_VHT_CAP:
 			elems->vht_capabilities = pos;
 			elems->vht_capabilities_len = elen;
@@ -290,6 +302,16 @@ ParseRes ieee802_11_parse_elems(const u8 *start, size_t len,
 			elems->ssid_list = pos;
 			elems->ssid_list_len = elen;
 			break;
+		case WLAN_EID_AMPE:
+			elems->ampe = pos;
+			elems->ampe_len = elen;
+			break;
+		case WLAN_EID_MIC:
+			elems->mic = pos;
+			elems->mic_len = elen;
+			/* after mic everything is encrypted, so stop. */
+			left = elen;
+			break;
 		default:
 			unknown++;
 			if (!show_errors)

src/common/ieee802_11_common.h

@@ -28,6 +28,9 @@ struct ieee802_11_elems {
 	const u8 *timeout_int;
 	const u8 *ht_capabilities;
 	const u8 *ht_operation;
+	const u8 *mesh_config;
+	const u8 *mesh_id;
+	const u8 *peer_mgmt;
 	const u8 *vht_capabilities;
 	const u8 *vht_operation;
 	const u8 *vht_opmode_notif;
@@ -42,6 +45,8 @@ struct ieee802_11_elems {
 	const u8 *bss_max_idle_period;
 	const u8 *ssid_list;
 	const u8 *osen;
+	const u8 *ampe;
+	const u8 *mic;
 
 	u8 ssid_len;
 	u8 supp_rates_len;
@@ -60,6 +65,9 @@ struct ieee802_11_elems {
 	u8 timeout_int_len;
 	u8 ht_capabilities_len;
 	u8 ht_operation_len;
+	u8 mesh_config_len;
+	u8 mesh_id_len;
+	u8 peer_mgmt_len;
 	u8 vht_capabilities_len;
 	u8 vht_operation_len;
 	u8 vendor_ht_cap_len;
@@ -71,6 +79,8 @@ struct ieee802_11_elems {
 	u8 ext_capab_len;
 	u8 ssid_list_len;
 	u8 osen_len;
+	u8 ampe_len;
+	u8 mic_len;
 };
 
 typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes;