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authorMarek Lindner <lindner_marek@yahoo.de>2011-12-10 19:45:53 +0800
committerMarek Lindner <lindner_marek@yahoo.de>2012-02-17 02:50:20 +0800
commitd419be1fd1e4417adc833365a3b69d0968c27c3f (patch)
treeb52c9fe94e4ba947f320525b6fbe8dc4051e31c6 /net/batman-adv
parent01c4224b51feba2ba64d070ab9f4aa32c9d0bb29 (diff)
batman-adv: allowing changing the routing algorithm via module parameter
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Diffstat (limited to 'net/batman-adv')
-rw-r--r--net/batman-adv/main.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
index bcc2bddd893a..8ae497b26bd8 100644
--- a/net/batman-adv/main.c
+++ b/net/batman-adv/main.c
@@ -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);