mesh: Add some more details to MPM debug messages

This makes it easier to follow the debug log when trying to figure out
issues with mesh peering exchange.

Signed-off-by: Jouni Malinen <j@w1.fi>

wpa_supplicant/mesh_mpm.c

@@ -43,6 +43,7 @@ enum plink_event {
 };
 
 static const char * const mplstate[] = {
+	[0] = "UNINITIALIZED",
 	[PLINK_LISTEN] = "LISTEN",
 	[PLINK_OPEN_SENT] = "OPEN_SENT",
 	[PLINK_OPEN_RCVD] = "OPEN_RCVD",
@@ -360,6 +361,9 @@ static void mesh_mpm_send_plink_action(struct wpa_supplicant *wpa_s,
 		goto fail;
 	}
 
+	wpa_msg(wpa_s, MSG_DEBUG, "Mesh MPM: Sending peering frame type %d to "
+		MACSTR " (my_lid=0x%x peer_lid=0x%x)",
+		type, MAC2STR(sta->addr), sta->my_lid, sta->peer_lid);
 	ret = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0,
 				  sta->addr, wpa_s->own_addr, wpa_s->own_addr,
 				  wpabuf_head(buf), wpabuf_len(buf), 0);
@@ -380,6 +384,9 @@ void wpa_mesh_set_plink_state(struct wpa_supplicant *wpa_s,
 	struct hostapd_sta_add_params params;
 	int ret;
 
+	wpa_msg(wpa_s, MSG_DEBUG, "MPM set " MACSTR " from %s into %s",
+		MAC2STR(sta->addr), mplstate[sta->plink_state],
+		mplstate[state]);
 	sta->plink_state = state;
 
 	os_memset(&params, 0, sizeof(params));
@@ -387,8 +394,6 @@ void wpa_mesh_set_plink_state(struct wpa_supplicant *wpa_s,
 	params.plink_state = state;
 	params.set = 1;
 
-	wpa_msg(wpa_s, MSG_DEBUG, "MPM set " MACSTR " into %s",
-		MAC2STR(sta->addr), mplstate[state]);
 	ret = wpa_drv_sta_add(wpa_s, &params);
 	if (ret) {
 		wpa_msg(wpa_s, MSG_ERROR, "Driver failed to set " MACSTR