From d419be1fd1e4417adc833365a3b69d0968c27c3f Mon Sep 17 00:00:00 2001 From: Marek Lindner Date: Sat, 10 Dec 2011 19:45:53 +0800 Subject: [PATCH] batman-adv: allowing changing the routing algorithm via module parameter Signed-off-by: Marek Lindner --- net/batman-adv/main.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) 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, ¶m_ops_ra, &__param_string_ra, 0644); module_init(batman_init); module_exit(batman_exit);