/*
* Copyright 2002-2005, Instant802 Networks, Inc.
* Copyright 2005-2006, Devicescape Software, Inc.
* Copyright 2006-2007 Jiri Benc <jbenc@suse.cz>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <net/mac80211.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/skbuff.h>
#include <linux/etherdevice.h>
#include <linux/if_arp.h>
#include <linux/rtnetlink.h>
#include <linux/bitmap.h>
#include <linux/pm_qos_params.h>
#include <linux/inetdevice.h>
#include <net/net_namespace.h>
#include <net/cfg80211.h>
#include "ieee80211_i.h"
#include "driver-ops.h"
#include "rate.h"
#include "mesh.h"
#include "wep.h"
#include "led.h"
#include "cfg.h"
#include "debugfs.h"
static struct lock_class_key ieee80211_rx_skb_queue_class;
void ieee80211_configure_filter(struct ieee80211_local *local)
{
u64 mc;
unsigned int changed_flags;
unsigned int new_flags = 0;
if (atomic_read(&local->iff_promiscs))
new_flags |= FIF_PROMISC_IN_BSS;
if (atomic_read(&local->iff_allmultis))
new_flags |= FIF_ALLMULTI;
if (local->monitors || local->scanning)
new_flags |= FIF_BCN_PRBRESP_PROMISC;
if (local->fif_probe_req || local->probe_req_reg)
new_flags |= FIF_PROBE_REQ;
if (local->fif_fcsfail)
new_flags |= FIF_FCSFAIL;
if (local->fif_plcpfail)
new_flags |= FIF_PLCPFAIL;
if (local->fif_control)
new_flags |= FIF_CONTROL;
if (local->fif_other_bss)
new_flags |= FIF_OTHER_BSS;
if (local->fif_pspoll)
new_flags |= FIF_PSPOLL;
spin_lock_bh(&local->filter_lock);
changed_flags = local->filter_flags ^ new_flags;
mc = drv_prepare_multicast(local, &local->mc_list);
spin_unlock_bh(&local->filter_lock);
/* be a bit nasty */
new_flags |= (1<<31);
drv_configure_filter(local, changed_flags, &new_flags, mc);
WARN_ON(new_flags & (1<<31));
local->filter_flags = new_flags & ~(1<<31);
}
static void ieee80211_reconfig_filter(struct work_struct *work)
{
struct ieee80211_local *local =
container_of(work, struct ieee80211_local, reconfig_filter);
ieee80211_configure_filter(local);
}
/*
* Returns true if we are logically configured to be on
* the operating channel AND the hardware-conf is currently
* configured on the operating channel. Compares channel-type
* as well.
*/
bool ieee80211_cfg_on_oper_channel(struct ieee80211_local *local)
{
struct ieee80211_channel *chan, *scan_chan;
enum nl80211_channel_type channel_type;
/* This logic needs to match logic in ieee80211_hw_config */
if (local->scan_channel) {
chan = local->scan_channel;
/* If scanning on oper channel, use whatever channel-type
* is currently in use.
*/
if (chan == local->oper_channel)
channel_type = local->_oper_channel_type;
else
channel_type = NL80211_CHAN_NO_HT;
} else if (local->tmp_channel) {
chan = scan_chan = local->tmp_channel;
channel_type = local->tmp_channel_type;
} else {
chan = local->oper_channel;
channel_type = local->_oper_channel_type;
}
if (chan != local->oper_channel ||
channel_type != local->_oper_channel_type)
return false;
/* Check current hardware-config against oper_channel. */
if ((local->oper_channel != local->hw.conf.channel) ||
(local->_oper_channel_type != local->hw.conf.channel_type))
return false;
return true;
}
int ieee80211_hw_config(struct ieee80211_local *local, u32 changed)
{
struct