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