+
+error:
+ return UBUS_STATUS_INVALID_ARGUMENT;
+}
+
+static int
+proto_shell_kill_command(struct proto_shell_state *state, struct blob_attr **tb)
+{
+ unsigned int signal = ~0;
+
+ if (tb[NOTIFY_SIGNAL])
+ signal = blobmsg_get_u32(tb[NOTIFY_SIGNAL]);
+
+ if (signal > 31)
+ signal = SIGTERM;
+
+ if (state->proto_task.pending) {
+ kill(state->proto_task.pid, signal);
+ state->teardown_wait_task = true;
+ }
+
+ return 0;
+}
+
+static int
+proto_shell_notify(struct interface_proto_state *proto, struct blob_attr *attr)
+{
+ struct proto_shell_state *state;
+ struct blob_attr *tb[__NOTIFY_LAST];
+
+ state = container_of(proto, struct proto_shell_state, proto);
+
+ blobmsg_parse(notify_attr, __NOTIFY_LAST, tb, blob_data(attr), blob_len(attr));
+ if (!tb[NOTIFY_ACTION])
+ return UBUS_STATUS_INVALID_ARGUMENT;
+
+ switch(blobmsg_get_u32(tb[NOTIFY_ACTION])) {
+ case 0:
+ return proto_shell_update_link(state, tb);
+ case 1:
+ return proto_shell_run_command(state, tb);
+ case 2:
+ return proto_shell_kill_command(state, tb);
+ default:
+ return UBUS_STATUS_INVALID_ARGUMENT;
+ }