batman-adv: allowing changing the routing algorithm via module parameter (d419be1f) · Commits · e / devices / android_kernel_fairphone_FP5

net/batman-adv/main.c

+24 −0

Original line number	Diff line number	Diff line
		@@ -256,6 +256,30 @@ int bat_algo_seq_print_text(struct seq_file seq, void offset)
		return 0;
		}

		static int param_set_ra(const char val, const struct kernel_param kp)
		{
		struct bat_algo_ops *bat_algo_ops;

		bat_algo_ops = bat_algo_get((char *)val);
		if (!bat_algo_ops) {
		pr_err("Routing algorithm '%s' is not supported\n", val);
		return -EINVAL;
		}

		return param_set_copystring(val, kp);
		}

		static const struct kernel_param_ops param_ops_ra = {
		.set = param_set_ra,
		.get = param_get_string,
		};

		static struct kparam_string __param_string_ra = {
		.maxlen = sizeof(bat_routing_algo),
		.string = bat_routing_algo,
		};

		module_param_cb(routing_algo, &param_ops_ra, &__param_string_ra, 0644);
		module_init(batman_init);
		module_exit(batman_exit);