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/* Copyright (C) 2012-2013 B.A.T.M.A.N. contributors:
*
* Martin Hundebøll, Jeppe Ledet-Pedersen
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA
*/
#include "main.h"
#include "network-coding.h"
static void batadv_nc_worker(struct work_struct *work);
/**
* batadv_nc_start_timer - initialise the nc periodic worker
* @bat_priv: the bat priv with all the soft interface information
*/
static void batadv_nc_start_timer(struct batadv_priv *bat_priv)
{
queue_delayed_work(batadv_event_workqueue, &bat_priv->nc.work,
msecs_to_jiffies(10));
}
/**
* batadv_nc_init - initialise coding hash table and start house keeping
* @bat_priv: the bat priv with all the soft interface information
*/
int batadv_nc_init(struct batadv_priv *bat_priv)
{
INIT_DELAYED_WORK(&bat_priv->nc.work, batadv_nc_worker);
batadv_nc_start_timer(bat_priv);
return 0;
}
/**
* batadv_nc_init_bat_priv - initialise the nc specific bat_priv variables
* @bat_priv: the bat priv with all the soft interface information
*/
void batadv_nc_init_bat_priv(struct batadv_priv *bat_priv)
{
atomic_set(&bat_priv->network_coding, 1);
}
/**
* batadv_nc_worker - periodic task for house keeping related to network coding
* @work: kernel work struct
*/
static void batadv_nc_worker(struct work_struct *work)
{
struct delayed_work *delayed_work;
struct batadv_priv_nc *priv_nc;
struct batadv_priv *bat_priv;
delayed_work = container_of(work, struct delayed_work, work);
priv_nc = container_of(delayed_work, struct batadv_priv_nc, work);
bat_priv = container_of(priv_nc, struct batadv_priv, nc);
/* Schedule a new check */
batadv_nc_start_timer(bat_priv);
}
/**
* batadv_nc_free - clean up network coding memory
* @bat_priv: the bat priv with all the soft interface information
*/
void batadv_nc_free(struct batadv_priv *bat_priv)
{
cancel_delayed_work_sync(&bat_priv->nc.work);
}
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