mesh: Add MESH_PEER_REMOVE command

This command allows the specified mesh peer to be disconnected.

Signed-off-by: Natsuki Itaya <Natsuki.Itaya@jp.sony.com>
Signed-off-by: Masashi Honma <masashi.honma@gmail.com>

wpa_supplicant/ctrl_iface.c

@@ -2727,6 +2727,18 @@ static int wpa_supplicant_ctrl_iface_mesh_group_remove(
 	return 0;
 }
 
+
+static int wpa_supplicant_ctrl_iface_mesh_peer_remove(
+	struct wpa_supplicant *wpa_s, char *cmd)
+{
+	u8 addr[ETH_ALEN];
+
+	if (hwaddr_aton(cmd, addr) < 0)
+		return -1;
+
+	return wpas_mesh_peer_remove(wpa_s, addr);
+}
+
 #endif /* CONFIG_MESH */
 
 
@@ -8572,6 +8584,9 @@ char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
 		if (wpa_supplicant_ctrl_iface_mesh_group_remove(wpa_s,
 								buf + 18))
 			reply_len = -1;
+	} else if (os_strncmp(buf, "MESH_PEER_REMOVE ", 17) == 0) {
+		if (wpa_supplicant_ctrl_iface_mesh_peer_remove(wpa_s, buf + 17))
+			reply_len = -1;
 #endif /* CONFIG_MESH */
 #ifdef CONFIG_P2P
 	} else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {

wpa_supplicant/mesh.c

@@ -597,3 +597,9 @@ int wpas_mesh_add_interface(struct wpa_supplicant *wpa_s, char *ifname,
 	mesh_wpa_s->mesh_if_created = 1;
 	return 0;
 }
+
+
+int wpas_mesh_peer_remove(struct wpa_supplicant *wpa_s, const u8 *addr)
+{
+	return mesh_mpm_close_peer(wpa_s, addr);
+}

wpa_supplicant/mesh.h

@@ -18,6 +18,7 @@ int wpas_mesh_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
 			       char *end);
 int wpas_mesh_add_interface(struct wpa_supplicant *wpa_s, char *ifname,
 			    size_t len);
+int wpas_mesh_peer_remove(struct wpa_supplicant *wpa_s, const u8 *addr);
 
 #ifdef CONFIG_MESH
 

wpa_supplicant/mesh_mpm.c

@@ -472,8 +472,8 @@ mesh_mpm_plink_open(struct wpa_supplicant *wpa_s, struct sta_info *sta,
 }
 
 
-int mesh_mpm_plink_close(struct hostapd_data *hapd,
-			 struct sta_info *sta, void *ctx)
+static int mesh_mpm_plink_close(struct hostapd_data *hapd, struct sta_info *sta,
+				void *ctx)
 {
 	struct wpa_supplicant *wpa_s = ctx;
 	int reason = WLAN_REASON_MESH_PEERING_CANCELLED;
@@ -491,6 +491,27 @@ int mesh_mpm_plink_close(struct hostapd_data *hapd,
 }
 
 
+int mesh_mpm_close_peer(struct wpa_supplicant *wpa_s, const u8 *addr)
+{
+	struct hostapd_data *hapd;
+	struct sta_info *sta;
+
+	if (!wpa_s->ifmsh) {
+		wpa_msg(wpa_s, MSG_INFO, "Mesh is not prepared yet");
+		return -1;
+	}
+
+	hapd = wpa_s->ifmsh->bss[0];
+	sta = ap_get_sta(hapd, addr);
+	if (!sta) {
+		wpa_msg(wpa_s, MSG_INFO, "No such mesh peer");
+		return -1;
+	}
+
+	return mesh_mpm_plink_close(hapd, sta, wpa_s) == 0 ? 0 : -1;
+}
+
+
 void mesh_mpm_deinit(struct wpa_supplicant *wpa_s, struct hostapd_iface *ifmsh)
 {
 	struct hostapd_data *hapd = ifmsh->bss[0];

wpa_supplicant/mesh_mpm.h

@@ -18,6 +18,7 @@ void mesh_mpm_free_sta(struct hostapd_data *hapd, struct sta_info *sta);
 void wpa_mesh_set_plink_state(struct wpa_supplicant *wpa_s,
 			      struct sta_info *sta,
 			      enum mesh_plink_state state);
+int mesh_mpm_close_peer(struct wpa_supplicant *wpa_s, const u8 *addr);
 
 #ifdef CONFIG_MESH
 

wpa_supplicant/wpa_cli.c

@@ -2042,6 +2042,13 @@ static int wpa_cli_cmd_mesh_group_remove(struct wpa_ctrl *ctrl, int argc,
 	return wpa_cli_cmd(ctrl, "MESH_GROUP_REMOVE", 1, argc, argv);
 }
 
+
+static int wpa_cli_cmd_mesh_peer_remove(struct wpa_ctrl *ctrl, int argc,
+					char *argv[])
+{
+	return wpa_cli_cmd(ctrl, "MESH_PEER_REMOVE", 1, argc, argv);
+}
+
 #endif /* CONFIG_MESH */
 
 
@@ -3210,6 +3217,9 @@ static const struct wpa_cli_cmd wpa_cli_commands[] = {
 	{ "mesh_group_remove", wpa_cli_cmd_mesh_group_remove, NULL,
 	  cli_cmd_flag_none,
 	  "<ifname> = Remove mesh group interface" },
+	{ "mesh_peer_remove", wpa_cli_cmd_mesh_peer_remove, NULL,
+	  cli_cmd_flag_none,
+	  "<addr> = Remove a mesh peer" },
 #endif /* CONFIG_MESH */
 #ifdef CONFIG_P2P
 	{ "p2p_find", wpa_cli_cmd_p2p_find, wpa_cli_complete_p2p_find,