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https://github.com/FEX-Emu/linux.git
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bc92afd920
Just on/off and timeout, and with a hacky cfg80211 method until we figure out what we want, though this is probably sufficient as we want to use pm_qos for wifi everywhere. Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
393 lines
12 KiB
C
393 lines
12 KiB
C
/*
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* Copyright 2002-2005, Instant802 Networks, Inc.
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* Copyright 2005-2006, Devicescape Software, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/netdevice.h>
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#include <linux/types.h>
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#include <linux/slab.h>
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#include <linux/skbuff.h>
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#include <linux/etherdevice.h>
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#include <linux/if_arp.h>
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#include <linux/wireless.h>
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#include <net/iw_handler.h>
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#include <asm/uaccess.h>
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#include <net/mac80211.h>
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#include "ieee80211_i.h"
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#include "led.h"
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#include "rate.h"
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#include "wpa.h"
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#include "aes_ccm.h"
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static int ieee80211_ioctl_siwfreq(struct net_device *dev,
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struct iw_request_info *info,
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struct iw_freq *freq, char *extra)
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{
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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struct ieee80211_local *local = sdata->local;
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struct ieee80211_channel *chan;
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if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
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return cfg80211_ibss_wext_siwfreq(dev, info, freq, extra);
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else if (sdata->vif.type == NL80211_IFTYPE_STATION)
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return cfg80211_mgd_wext_siwfreq(dev, info, freq, extra);
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/* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
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if (freq->e == 0) {
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if (freq->m < 0)
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return -EINVAL;
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else
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chan = ieee80211_get_channel(local->hw.wiphy,
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ieee80211_channel_to_frequency(freq->m));
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} else {
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int i, div = 1000000;
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for (i = 0; i < freq->e; i++)
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div /= 10;
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if (div <= 0)
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return -EINVAL;
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chan = ieee80211_get_channel(local->hw.wiphy, freq->m / div);
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}
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if (!chan)
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return -EINVAL;
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if (chan->flags & IEEE80211_CHAN_DISABLED)
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return -EINVAL;
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/*
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* no change except maybe auto -> fixed, ignore the HT
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* setting so you can fix a channel you're on already
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*/
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if (local->oper_channel == chan)
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return 0;
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local->oper_channel = chan;
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local->oper_channel_type = NL80211_CHAN_NO_HT;
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ieee80211_hw_config(local, 0);
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return 0;
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}
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static int ieee80211_ioctl_giwfreq(struct net_device *dev,
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struct iw_request_info *info,
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struct iw_freq *freq, char *extra)
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{
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struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
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return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
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else if (sdata->vif.type == NL80211_IFTYPE_STATION)
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return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);
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freq->m = local->oper_channel->center_freq;
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freq->e = 6;
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return 0;
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}
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static int ieee80211_ioctl_siwessid(struct net_device *dev,
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struct iw_request_info *info,
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struct iw_point *data, char *ssid)
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{
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
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return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);
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else if (sdata->vif.type == NL80211_IFTYPE_STATION)
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return cfg80211_mgd_wext_siwessid(dev, info, data, ssid);
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return -EOPNOTSUPP;
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}
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static int ieee80211_ioctl_giwessid(struct net_device *dev,
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struct iw_request_info *info,
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struct iw_point *data, char *ssid)
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{
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struct ieee80211_sub_if_data *sdata;
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sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
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return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
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else if (sdata->vif.type == NL80211_IFTYPE_STATION)
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return cfg80211_mgd_wext_giwessid(dev, info, data, ssid);
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return -EOPNOTSUPP;
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}
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static int ieee80211_ioctl_siwap(struct net_device *dev,
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struct iw_request_info *info,
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struct sockaddr *ap_addr, char *extra)
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{
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
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return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);
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if (sdata->vif.type == NL80211_IFTYPE_STATION)
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return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra);
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if (sdata->vif.type == NL80211_IFTYPE_WDS) {
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/*
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* If it is necessary to update the WDS peer address
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* while the interface is running, then we need to do
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* more work here, namely if it is running we need to
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* add a new and remove the old STA entry, this is
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* normally handled by _open() and _stop().
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*/
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if (netif_running(dev))
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return -EBUSY;
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memcpy(&sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
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ETH_ALEN);
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return 0;
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}
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return -EOPNOTSUPP;
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}
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static int ieee80211_ioctl_giwap(struct net_device *dev,
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struct iw_request_info *info,
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struct sockaddr *ap_addr, char *extra)
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{
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
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return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
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if (sdata->vif.type == NL80211_IFTYPE_STATION)
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return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra);
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if (sdata->vif.type == NL80211_IFTYPE_WDS) {
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ap_addr->sa_family = ARPHRD_ETHER;
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memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
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return 0;
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}
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return -EOPNOTSUPP;
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}
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static int ieee80211_ioctl_siwrate(struct net_device *dev,
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struct iw_request_info *info,
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struct iw_param *rate, char *extra)
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{
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struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
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int i, err = -EINVAL;
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u32 target_rate = rate->value / 100000;
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struct ieee80211_sub_if_data *sdata;
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struct ieee80211_supported_band *sband;
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sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
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/* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
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* target_rate = X, rate->fixed = 1 means only rate X
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* target_rate = X, rate->fixed = 0 means all rates <= X */
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sdata->max_ratectrl_rateidx = -1;
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sdata->force_unicast_rateidx = -1;
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if (rate->value < 0)
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return 0;
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for (i=0; i< sband->n_bitrates; i++) {
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struct ieee80211_rate *brate = &sband->bitrates[i];
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int this_rate = brate->bitrate;
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if (target_rate == this_rate) {
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sdata->max_ratectrl_rateidx = i;
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if (rate->fixed)
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sdata->force_unicast_rateidx = i;
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err = 0;
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break;
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}
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}
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return err;
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}
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static int ieee80211_ioctl_giwrate(struct net_device *dev,
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struct iw_request_info *info,
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struct iw_param *rate, char *extra)
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{
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struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
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struct sta_info *sta;
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struct ieee80211_sub_if_data *sdata;
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struct ieee80211_supported_band *sband;
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sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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if (sdata->vif.type != NL80211_IFTYPE_STATION)
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return -EOPNOTSUPP;
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sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
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rcu_read_lock();
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sta = sta_info_get(local, sdata->u.mgd.bssid);
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if (sta && !(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS))
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rate->value = sband->bitrates[sta->last_tx_rate.idx].bitrate;
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else
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rate->value = 0;
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rcu_read_unlock();
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if (!sta)
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return -ENODEV;
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rate->value *= 100000;
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return 0;
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}
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/* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
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static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
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{
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struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
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struct iw_statistics *wstats = &local->wstats;
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struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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struct sta_info *sta = NULL;
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rcu_read_lock();
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if (sdata->vif.type == NL80211_IFTYPE_STATION)
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sta = sta_info_get(local, sdata->u.mgd.bssid);
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if (!sta) {
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wstats->discard.fragment = 0;
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wstats->discard.misc = 0;
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wstats->qual.qual = 0;
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wstats->qual.level = 0;
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wstats->qual.noise = 0;
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wstats->qual.updated = IW_QUAL_ALL_INVALID;
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} else {
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wstats->qual.updated = 0;
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/*
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* mirror what cfg80211 does for iwrange/scan results,
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* otherwise userspace gets confused.
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*/
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if (local->hw.flags & (IEEE80211_HW_SIGNAL_UNSPEC |
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IEEE80211_HW_SIGNAL_DBM)) {
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wstats->qual.updated |= IW_QUAL_LEVEL_UPDATED;
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wstats->qual.updated |= IW_QUAL_QUAL_UPDATED;
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} else {
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wstats->qual.updated |= IW_QUAL_LEVEL_INVALID;
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wstats->qual.updated |= IW_QUAL_QUAL_INVALID;
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}
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if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC) {
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wstats->qual.level = sta->last_signal;
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wstats->qual.qual = sta->last_signal;
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} else if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
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int sig = sta->last_signal;
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wstats->qual.updated |= IW_QUAL_DBM;
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wstats->qual.level = sig;
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if (sig < -110)
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sig = -110;
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else if (sig > -40)
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sig = -40;
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wstats->qual.qual = sig + 110;
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}
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if (local->hw.flags & IEEE80211_HW_NOISE_DBM) {
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/*
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* This assumes that if driver reports noise, it also
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* reports signal in dBm.
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*/
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wstats->qual.noise = sta->last_noise;
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wstats->qual.updated |= IW_QUAL_NOISE_UPDATED;
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} else {
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wstats->qual.updated |= IW_QUAL_NOISE_INVALID;
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}
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}
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rcu_read_unlock();
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return wstats;
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}
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/* Structures to export the Wireless Handlers */
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static const iw_handler ieee80211_handler[] =
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{
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(iw_handler) NULL, /* SIOCSIWCOMMIT */
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(iw_handler) cfg80211_wext_giwname, /* SIOCGIWNAME */
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(iw_handler) NULL, /* SIOCSIWNWID */
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(iw_handler) NULL, /* SIOCGIWNWID */
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(iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */
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(iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */
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(iw_handler) cfg80211_wext_siwmode, /* SIOCSIWMODE */
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(iw_handler) cfg80211_wext_giwmode, /* SIOCGIWMODE */
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(iw_handler) NULL, /* SIOCSIWSENS */
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(iw_handler) NULL, /* SIOCGIWSENS */
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(iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
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(iw_handler) cfg80211_wext_giwrange, /* SIOCGIWRANGE */
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(iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
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(iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
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(iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
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(iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
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(iw_handler) NULL, /* SIOCSIWSPY */
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(iw_handler) NULL, /* SIOCGIWSPY */
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(iw_handler) NULL, /* SIOCSIWTHRSPY */
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(iw_handler) NULL, /* SIOCGIWTHRSPY */
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(iw_handler) ieee80211_ioctl_siwap, /* SIOCSIWAP */
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(iw_handler) ieee80211_ioctl_giwap, /* SIOCGIWAP */
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(iw_handler) cfg80211_wext_siwmlme, /* SIOCSIWMLME */
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(iw_handler) NULL, /* SIOCGIWAPLIST */
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(iw_handler) cfg80211_wext_siwscan, /* SIOCSIWSCAN */
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(iw_handler) cfg80211_wext_giwscan, /* SIOCGIWSCAN */
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(iw_handler) ieee80211_ioctl_siwessid, /* SIOCSIWESSID */
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(iw_handler) ieee80211_ioctl_giwessid, /* SIOCGIWESSID */
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(iw_handler) NULL, /* SIOCSIWNICKN */
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(iw_handler) NULL, /* SIOCGIWNICKN */
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(iw_handler) NULL, /* -- hole -- */
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(iw_handler) NULL, /* -- hole -- */
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(iw_handler) ieee80211_ioctl_siwrate, /* SIOCSIWRATE */
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(iw_handler) ieee80211_ioctl_giwrate, /* SIOCGIWRATE */
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(iw_handler) cfg80211_wext_siwrts, /* SIOCSIWRTS */
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(iw_handler) cfg80211_wext_giwrts, /* SIOCGIWRTS */
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(iw_handler) cfg80211_wext_siwfrag, /* SIOCSIWFRAG */
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(iw_handler) cfg80211_wext_giwfrag, /* SIOCGIWFRAG */
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(iw_handler) cfg80211_wext_siwtxpower, /* SIOCSIWTXPOW */
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(iw_handler) cfg80211_wext_giwtxpower, /* SIOCGIWTXPOW */
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(iw_handler) cfg80211_wext_siwretry, /* SIOCSIWRETRY */
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(iw_handler) cfg80211_wext_giwretry, /* SIOCGIWRETRY */
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(iw_handler) cfg80211_wext_siwencode, /* SIOCSIWENCODE */
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(iw_handler) cfg80211_wext_giwencode, /* SIOCGIWENCODE */
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(iw_handler) cfg80211_wext_siwpower, /* SIOCSIWPOWER */
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(iw_handler) cfg80211_wext_giwpower, /* SIOCGIWPOWER */
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(iw_handler) NULL, /* -- hole -- */
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(iw_handler) NULL, /* -- hole -- */
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(iw_handler) cfg80211_wext_siwgenie, /* SIOCSIWGENIE */
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(iw_handler) NULL, /* SIOCGIWGENIE */
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(iw_handler) cfg80211_wext_siwauth, /* SIOCSIWAUTH */
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(iw_handler) cfg80211_wext_giwauth, /* SIOCGIWAUTH */
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(iw_handler) cfg80211_wext_siwencodeext, /* SIOCSIWENCODEEXT */
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(iw_handler) NULL, /* SIOCGIWENCODEEXT */
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(iw_handler) NULL, /* SIOCSIWPMKSA */
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(iw_handler) NULL, /* -- hole -- */
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};
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const struct iw_handler_def ieee80211_iw_handler_def =
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{
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.num_standard = ARRAY_SIZE(ieee80211_handler),
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.standard = (iw_handler *) ieee80211_handler,
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.get_wireless_stats = ieee80211_get_wireless_stats,
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};
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