mirror of https://gitee.com/openkylin/linux.git
1098 lines
29 KiB
C
1098 lines
29 KiB
C
/*
|
|
* Copyright 2002-2005, Instant802 Networks, Inc.
|
|
* Copyright 2005-2006, Devicescape Software, Inc.
|
|
*
|
|
* 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 <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/wireless.h>
|
|
#include <net/iw_handler.h>
|
|
#include <asm/uaccess.h>
|
|
|
|
#include <net/mac80211.h>
|
|
#include "ieee80211_i.h"
|
|
#include "led.h"
|
|
#include "rate.h"
|
|
#include "wpa.h"
|
|
#include "aes_ccm.h"
|
|
|
|
|
|
static int ieee80211_set_encryption(struct ieee80211_sub_if_data *sdata, u8 *sta_addr,
|
|
int idx, int alg, int remove,
|
|
int set_tx_key, const u8 *_key,
|
|
size_t key_len)
|
|
{
|
|
struct ieee80211_local *local = sdata->local;
|
|
struct sta_info *sta;
|
|
struct ieee80211_key *key;
|
|
int err;
|
|
|
|
if (idx < 0 || idx >= NUM_DEFAULT_KEYS) {
|
|
printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n",
|
|
sdata->dev->name, idx);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (remove) {
|
|
rcu_read_lock();
|
|
|
|
err = 0;
|
|
|
|
if (is_broadcast_ether_addr(sta_addr)) {
|
|
key = sdata->keys[idx];
|
|
} else {
|
|
sta = sta_info_get(local, sta_addr);
|
|
if (!sta) {
|
|
err = -ENOENT;
|
|
goto out_unlock;
|
|
}
|
|
key = sta->key;
|
|
}
|
|
|
|
ieee80211_key_free(key);
|
|
} else {
|
|
key = ieee80211_key_alloc(alg, idx, key_len, _key);
|
|
if (!key)
|
|
return -ENOMEM;
|
|
|
|
sta = NULL;
|
|
err = 0;
|
|
|
|
rcu_read_lock();
|
|
|
|
if (!is_broadcast_ether_addr(sta_addr)) {
|
|
set_tx_key = 0;
|
|
/*
|
|
* According to the standard, the key index of a
|
|
* pairwise key must be zero. However, some AP are
|
|
* broken when it comes to WEP key indices, so we
|
|
* work around this.
|
|
*/
|
|
if (idx != 0 && alg != ALG_WEP) {
|
|
ieee80211_key_free(key);
|
|
err = -EINVAL;
|
|
goto out_unlock;
|
|
}
|
|
|
|
sta = sta_info_get(local, sta_addr);
|
|
if (!sta) {
|
|
ieee80211_key_free(key);
|
|
err = -ENOENT;
|
|
goto out_unlock;
|
|
}
|
|
}
|
|
|
|
if (alg == ALG_WEP &&
|
|
key_len != LEN_WEP40 && key_len != LEN_WEP104) {
|
|
ieee80211_key_free(key);
|
|
err = -EINVAL;
|
|
goto out_unlock;
|
|
}
|
|
|
|
ieee80211_key_link(key, sdata, sta);
|
|
|
|
if (set_tx_key || (!sta && !sdata->default_key && key))
|
|
ieee80211_set_default_key(sdata, idx);
|
|
}
|
|
|
|
out_unlock:
|
|
rcu_read_unlock();
|
|
|
|
return err;
|
|
}
|
|
|
|
static int ieee80211_ioctl_siwgenie(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_point *data, char *extra)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME)
|
|
return -EOPNOTSUPP;
|
|
|
|
if (sdata->vif.type == NL80211_IFTYPE_STATION ||
|
|
sdata->vif.type == NL80211_IFTYPE_ADHOC) {
|
|
int ret = ieee80211_sta_set_extra_ie(sdata, extra, data->length);
|
|
if (ret)
|
|
return ret;
|
|
sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
|
|
ieee80211_sta_req_auth(sdata, &sdata->u.sta);
|
|
return 0;
|
|
}
|
|
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static int ieee80211_ioctl_giwrange(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_point *data, char *extra)
|
|
{
|
|
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
|
struct iw_range *range = (struct iw_range *) extra;
|
|
enum ieee80211_band band;
|
|
int c = 0;
|
|
|
|
data->length = sizeof(struct iw_range);
|
|
memset(range, 0, sizeof(struct iw_range));
|
|
|
|
range->we_version_compiled = WIRELESS_EXT;
|
|
range->we_version_source = 21;
|
|
range->retry_capa = IW_RETRY_LIMIT;
|
|
range->retry_flags = IW_RETRY_LIMIT;
|
|
range->min_retry = 0;
|
|
range->max_retry = 255;
|
|
range->min_rts = 0;
|
|
range->max_rts = 2347;
|
|
range->min_frag = 256;
|
|
range->max_frag = 2346;
|
|
|
|
range->encoding_size[0] = 5;
|
|
range->encoding_size[1] = 13;
|
|
range->num_encoding_sizes = 2;
|
|
range->max_encoding_tokens = NUM_DEFAULT_KEYS;
|
|
|
|
if (local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC ||
|
|
local->hw.flags & IEEE80211_HW_SIGNAL_DB)
|
|
range->max_qual.level = local->hw.max_signal;
|
|
else if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
|
|
range->max_qual.level = -110;
|
|
else
|
|
range->max_qual.level = 0;
|
|
|
|
if (local->hw.flags & IEEE80211_HW_NOISE_DBM)
|
|
range->max_qual.noise = -110;
|
|
else
|
|
range->max_qual.noise = 0;
|
|
|
|
range->max_qual.qual = 100;
|
|
range->max_qual.updated = local->wstats_flags;
|
|
|
|
range->avg_qual.qual = 50;
|
|
/* not always true but better than nothing */
|
|
range->avg_qual.level = range->max_qual.level / 2;
|
|
range->avg_qual.noise = range->max_qual.noise / 2;
|
|
range->avg_qual.updated = local->wstats_flags;
|
|
|
|
range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
|
|
IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
|
|
|
|
|
|
for (band = 0; band < IEEE80211_NUM_BANDS; band ++) {
|
|
int i;
|
|
struct ieee80211_supported_band *sband;
|
|
|
|
sband = local->hw.wiphy->bands[band];
|
|
|
|
if (!sband)
|
|
continue;
|
|
|
|
for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) {
|
|
struct ieee80211_channel *chan = &sband->channels[i];
|
|
|
|
if (!(chan->flags & IEEE80211_CHAN_DISABLED)) {
|
|
range->freq[c].i =
|
|
ieee80211_frequency_to_channel(
|
|
chan->center_freq);
|
|
range->freq[c].m = chan->center_freq;
|
|
range->freq[c].e = 6;
|
|
c++;
|
|
}
|
|
}
|
|
}
|
|
range->num_channels = c;
|
|
range->num_frequency = c;
|
|
|
|
IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
|
|
IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
|
|
IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
|
|
|
|
range->scan_capa |= IW_SCAN_CAPA_ESSID;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int ieee80211_ioctl_siwfreq(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_freq *freq, char *extra)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
if (sdata->vif.type == NL80211_IFTYPE_STATION)
|
|
sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
|
|
|
|
/* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
|
|
if (freq->e == 0) {
|
|
if (freq->m < 0) {
|
|
if (sdata->vif.type == NL80211_IFTYPE_STATION)
|
|
sdata->u.sta.flags |=
|
|
IEEE80211_STA_AUTO_CHANNEL_SEL;
|
|
return 0;
|
|
} else
|
|
return ieee80211_set_freq(sdata,
|
|
ieee80211_channel_to_frequency(freq->m));
|
|
} else {
|
|
int i, div = 1000000;
|
|
for (i = 0; i < freq->e; i++)
|
|
div /= 10;
|
|
if (div > 0)
|
|
return ieee80211_set_freq(sdata, freq->m / div);
|
|
else
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
|
|
static int ieee80211_ioctl_giwfreq(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_freq *freq, char *extra)
|
|
{
|
|
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
|
|
|
freq->m = local->hw.conf.channel->center_freq;
|
|
freq->e = 6;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int ieee80211_ioctl_siwessid(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_point *data, char *ssid)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata;
|
|
size_t len = data->length;
|
|
|
|
/* iwconfig uses nul termination in SSID.. */
|
|
if (len > 0 && ssid[len - 1] == '\0')
|
|
len--;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
if (sdata->vif.type == NL80211_IFTYPE_STATION ||
|
|
sdata->vif.type == NL80211_IFTYPE_ADHOC) {
|
|
int ret;
|
|
if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
|
|
if (len > IEEE80211_MAX_SSID_LEN)
|
|
return -EINVAL;
|
|
memcpy(sdata->u.sta.ssid, ssid, len);
|
|
sdata->u.sta.ssid_len = len;
|
|
return 0;
|
|
}
|
|
if (data->flags)
|
|
sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
|
|
else
|
|
sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
|
|
ret = ieee80211_sta_set_ssid(sdata, ssid, len);
|
|
if (ret)
|
|
return ret;
|
|
ieee80211_sta_req_auth(sdata, &sdata->u.sta);
|
|
return 0;
|
|
}
|
|
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
|
|
static int ieee80211_ioctl_giwessid(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_point *data, char *ssid)
|
|
{
|
|
size_t len;
|
|
|
|
struct ieee80211_sub_if_data *sdata;
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
if (sdata->vif.type == NL80211_IFTYPE_STATION ||
|
|
sdata->vif.type == NL80211_IFTYPE_ADHOC) {
|
|
int res = ieee80211_sta_get_ssid(sdata, ssid, &len);
|
|
if (res == 0) {
|
|
data->length = len;
|
|
data->flags = 1;
|
|
} else
|
|
data->flags = 0;
|
|
return res;
|
|
}
|
|
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
|
|
static int ieee80211_ioctl_siwap(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct sockaddr *ap_addr, char *extra)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
if (sdata->vif.type == NL80211_IFTYPE_STATION ||
|
|
sdata->vif.type == NL80211_IFTYPE_ADHOC) {
|
|
int ret;
|
|
if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
|
|
memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data,
|
|
ETH_ALEN);
|
|
return 0;
|
|
}
|
|
if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
|
|
sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
|
|
IEEE80211_STA_AUTO_CHANNEL_SEL;
|
|
else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
|
|
sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
|
|
else
|
|
sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
|
|
ret = ieee80211_sta_set_bssid(sdata, (u8 *) &ap_addr->sa_data);
|
|
if (ret)
|
|
return ret;
|
|
ieee80211_sta_req_auth(sdata, &sdata->u.sta);
|
|
return 0;
|
|
} else if (sdata->vif.type == NL80211_IFTYPE_WDS) {
|
|
/*
|
|
* If it is necessary to update the WDS peer address
|
|
* while the interface is running, then we need to do
|
|
* more work here, namely if it is running we need to
|
|
* add a new and remove the old STA entry, this is
|
|
* normally handled by _open() and _stop().
|
|
*/
|
|
if (netif_running(dev))
|
|
return -EBUSY;
|
|
|
|
memcpy(&sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
|
|
ETH_ALEN);
|
|
|
|
return 0;
|
|
}
|
|
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
|
|
static int ieee80211_ioctl_giwap(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct sockaddr *ap_addr, char *extra)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
if (sdata->vif.type == NL80211_IFTYPE_STATION ||
|
|
sdata->vif.type == NL80211_IFTYPE_ADHOC) {
|
|
if (sdata->u.sta.state == IEEE80211_STA_MLME_ASSOCIATED ||
|
|
sdata->u.sta.state == IEEE80211_STA_MLME_IBSS_JOINED) {
|
|
ap_addr->sa_family = ARPHRD_ETHER;
|
|
memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
|
|
return 0;
|
|
} else {
|
|
memset(&ap_addr->sa_data, 0, ETH_ALEN);
|
|
return 0;
|
|
}
|
|
} else if (sdata->vif.type == NL80211_IFTYPE_WDS) {
|
|
ap_addr->sa_family = ARPHRD_ETHER;
|
|
memcpy(&ap_addr->sa_data, sdata->u.wds.remote_addr, ETH_ALEN);
|
|
return 0;
|
|
}
|
|
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
|
|
static int ieee80211_ioctl_siwscan(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *wrqu, char *extra)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
struct iw_scan_req *req = NULL;
|
|
u8 *ssid = NULL;
|
|
size_t ssid_len = 0;
|
|
|
|
if (!netif_running(dev))
|
|
return -ENETDOWN;
|
|
|
|
if (sdata->vif.type != NL80211_IFTYPE_STATION &&
|
|
sdata->vif.type != NL80211_IFTYPE_ADHOC &&
|
|
sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
|
|
sdata->vif.type != NL80211_IFTYPE_AP)
|
|
return -EOPNOTSUPP;
|
|
|
|
/* if SSID was specified explicitly then use that */
|
|
if (wrqu->data.length == sizeof(struct iw_scan_req) &&
|
|
wrqu->data.flags & IW_SCAN_THIS_ESSID) {
|
|
req = (struct iw_scan_req *)extra;
|
|
ssid = req->essid;
|
|
ssid_len = req->essid_len;
|
|
}
|
|
|
|
return ieee80211_request_scan(sdata, ssid, ssid_len);
|
|
}
|
|
|
|
|
|
static int ieee80211_ioctl_giwscan(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_point *data, char *extra)
|
|
{
|
|
int res;
|
|
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
|
struct ieee80211_sub_if_data *sdata;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
if (local->sw_scanning || local->hw_scanning)
|
|
return -EAGAIN;
|
|
|
|
res = ieee80211_scan_results(local, info, extra, data->length);
|
|
if (res >= 0) {
|
|
data->length = res;
|
|
return 0;
|
|
}
|
|
data->length = 0;
|
|
return res;
|
|
}
|
|
|
|
|
|
static int ieee80211_ioctl_siwrate(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_param *rate, char *extra)
|
|
{
|
|
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
|
int i, err = -EINVAL;
|
|
u32 target_rate = rate->value / 100000;
|
|
struct ieee80211_sub_if_data *sdata;
|
|
struct ieee80211_supported_band *sband;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
|
|
|
|
/* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
|
|
* target_rate = X, rate->fixed = 1 means only rate X
|
|
* target_rate = X, rate->fixed = 0 means all rates <= X */
|
|
sdata->max_ratectrl_rateidx = -1;
|
|
sdata->force_unicast_rateidx = -1;
|
|
if (rate->value < 0)
|
|
return 0;
|
|
|
|
for (i=0; i< sband->n_bitrates; i++) {
|
|
struct ieee80211_rate *brate = &sband->bitrates[i];
|
|
int this_rate = brate->bitrate;
|
|
|
|
if (target_rate == this_rate) {
|
|
sdata->max_ratectrl_rateidx = i;
|
|
if (rate->fixed)
|
|
sdata->force_unicast_rateidx = i;
|
|
err = 0;
|
|
break;
|
|
}
|
|
}
|
|
return err;
|
|
}
|
|
|
|
static int ieee80211_ioctl_giwrate(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_param *rate, char *extra)
|
|
{
|
|
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
|
struct sta_info *sta;
|
|
struct ieee80211_sub_if_data *sdata;
|
|
struct ieee80211_supported_band *sband;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
if (sdata->vif.type != NL80211_IFTYPE_STATION)
|
|
return -EOPNOTSUPP;
|
|
|
|
sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
|
|
|
|
rcu_read_lock();
|
|
|
|
sta = sta_info_get(local, sdata->u.sta.bssid);
|
|
|
|
if (sta && !(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS))
|
|
rate->value = sband->bitrates[sta->last_tx_rate.idx].bitrate;
|
|
else
|
|
rate->value = 0;
|
|
|
|
rcu_read_unlock();
|
|
|
|
if (!sta)
|
|
return -ENODEV;
|
|
|
|
rate->value *= 100000;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_ioctl_siwtxpower(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *data, char *extra)
|
|
{
|
|
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
|
struct ieee80211_channel* chan = local->hw.conf.channel;
|
|
u32 reconf_flags = 0;
|
|
int new_power_level;
|
|
|
|
if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM)
|
|
return -EINVAL;
|
|
if (data->txpower.flags & IW_TXPOW_RANGE)
|
|
return -EINVAL;
|
|
if (!chan)
|
|
return -EINVAL;
|
|
|
|
if (data->txpower.fixed)
|
|
new_power_level = min(data->txpower.value, chan->max_power);
|
|
else /* Automatic power level setting */
|
|
new_power_level = chan->max_power;
|
|
|
|
if (local->hw.conf.power_level != new_power_level) {
|
|
local->hw.conf.power_level = new_power_level;
|
|
reconf_flags |= IEEE80211_CONF_CHANGE_POWER;
|
|
}
|
|
|
|
if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
|
|
local->hw.conf.radio_enabled = !(data->txpower.disabled);
|
|
reconf_flags |= IEEE80211_CONF_CHANGE_RADIO_ENABLED;
|
|
ieee80211_led_radio(local, local->hw.conf.radio_enabled);
|
|
}
|
|
|
|
if (reconf_flags)
|
|
ieee80211_hw_config(local, reconf_flags);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_ioctl_giwtxpower(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *data, char *extra)
|
|
{
|
|
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
|
|
|
data->txpower.fixed = 1;
|
|
data->txpower.disabled = !(local->hw.conf.radio_enabled);
|
|
data->txpower.value = local->hw.conf.power_level;
|
|
data->txpower.flags = IW_TXPOW_DBM;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_ioctl_siwrts(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_param *rts, char *extra)
|
|
{
|
|
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
|
|
|
if (rts->disabled)
|
|
local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
|
|
else if (!rts->fixed)
|
|
/* if the rts value is not fixed, then take default */
|
|
local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
|
|
else if (rts->value < 0 || rts->value > IEEE80211_MAX_RTS_THRESHOLD)
|
|
return -EINVAL;
|
|
else
|
|
local->rts_threshold = rts->value;
|
|
|
|
/* If the wlan card performs RTS/CTS in hardware/firmware,
|
|
* configure it here */
|
|
|
|
if (local->ops->set_rts_threshold)
|
|
local->ops->set_rts_threshold(local_to_hw(local),
|
|
local->rts_threshold);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_ioctl_giwrts(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_param *rts, char *extra)
|
|
{
|
|
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
|
|
|
rts->value = local->rts_threshold;
|
|
rts->disabled = (rts->value >= IEEE80211_MAX_RTS_THRESHOLD);
|
|
rts->fixed = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int ieee80211_ioctl_siwfrag(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_param *frag, char *extra)
|
|
{
|
|
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
|
|
|
if (frag->disabled)
|
|
local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
|
|
else if (!frag->fixed)
|
|
local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
|
|
else if (frag->value < 256 ||
|
|
frag->value > IEEE80211_MAX_FRAG_THRESHOLD)
|
|
return -EINVAL;
|
|
else {
|
|
/* Fragment length must be even, so strip LSB. */
|
|
local->fragmentation_threshold = frag->value & ~0x1;
|
|
}
|
|
|
|
/* If the wlan card performs fragmentation in hardware/firmware,
|
|
* configure it here */
|
|
|
|
if (local->ops->set_frag_threshold)
|
|
return local->ops->set_frag_threshold(
|
|
local_to_hw(local),
|
|
local->fragmentation_threshold);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_ioctl_giwfrag(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_param *frag, char *extra)
|
|
{
|
|
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
|
|
|
frag->value = local->fragmentation_threshold;
|
|
frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD);
|
|
frag->fixed = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int ieee80211_ioctl_siwretry(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_param *retry, char *extra)
|
|
{
|
|
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
|
|
|
if (retry->disabled ||
|
|
(retry->flags & IW_RETRY_TYPE) != IW_RETRY_LIMIT)
|
|
return -EINVAL;
|
|
|
|
if (retry->flags & IW_RETRY_MAX) {
|
|
local->hw.conf.long_frame_max_tx_count = retry->value;
|
|
} else if (retry->flags & IW_RETRY_MIN) {
|
|
local->hw.conf.short_frame_max_tx_count = retry->value;
|
|
} else {
|
|
local->hw.conf.long_frame_max_tx_count = retry->value;
|
|
local->hw.conf.short_frame_max_tx_count = retry->value;
|
|
}
|
|
|
|
ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int ieee80211_ioctl_giwretry(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_param *retry, char *extra)
|
|
{
|
|
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
|
|
|
retry->disabled = 0;
|
|
if (retry->flags == 0 || retry->flags & IW_RETRY_MIN) {
|
|
/* first return min value, iwconfig will ask max value
|
|
* later if needed */
|
|
retry->flags |= IW_RETRY_LIMIT;
|
|
retry->value = local->hw.conf.short_frame_max_tx_count;
|
|
if (local->hw.conf.long_frame_max_tx_count !=
|
|
local->hw.conf.short_frame_max_tx_count)
|
|
retry->flags |= IW_RETRY_MIN;
|
|
return 0;
|
|
}
|
|
if (retry->flags & IW_RETRY_MAX) {
|
|
retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
|
|
retry->value = local->hw.conf.long_frame_max_tx_count;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_ioctl_siwmlme(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_point *data, char *extra)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata;
|
|
struct iw_mlme *mlme = (struct iw_mlme *) extra;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
if (sdata->vif.type != NL80211_IFTYPE_STATION &&
|
|
sdata->vif.type != NL80211_IFTYPE_ADHOC)
|
|
return -EINVAL;
|
|
|
|
switch (mlme->cmd) {
|
|
case IW_MLME_DEAUTH:
|
|
/* TODO: mlme->addr.sa_data */
|
|
return ieee80211_sta_deauthenticate(sdata, mlme->reason_code);
|
|
case IW_MLME_DISASSOC:
|
|
/* TODO: mlme->addr.sa_data */
|
|
return ieee80211_sta_disassociate(sdata, mlme->reason_code);
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
|
|
static int ieee80211_ioctl_siwencode(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_point *erq, char *keybuf)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata;
|
|
int idx, i, alg = ALG_WEP;
|
|
u8 bcaddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
|
|
int remove = 0;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
idx = erq->flags & IW_ENCODE_INDEX;
|
|
if (idx == 0) {
|
|
if (sdata->default_key)
|
|
for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
|
|
if (sdata->default_key == sdata->keys[i]) {
|
|
idx = i;
|
|
break;
|
|
}
|
|
}
|
|
} else if (idx < 1 || idx > 4)
|
|
return -EINVAL;
|
|
else
|
|
idx--;
|
|
|
|
if (erq->flags & IW_ENCODE_DISABLED)
|
|
remove = 1;
|
|
else if (erq->length == 0) {
|
|
/* No key data - just set the default TX key index */
|
|
ieee80211_set_default_key(sdata, idx);
|
|
return 0;
|
|
}
|
|
|
|
return ieee80211_set_encryption(
|
|
sdata, bcaddr,
|
|
idx, alg, remove,
|
|
!sdata->default_key,
|
|
keybuf, erq->length);
|
|
}
|
|
|
|
|
|
static int ieee80211_ioctl_giwencode(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_point *erq, char *key)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata;
|
|
int idx, i;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
|
|
idx = erq->flags & IW_ENCODE_INDEX;
|
|
if (idx < 1 || idx > 4) {
|
|
idx = -1;
|
|
if (!sdata->default_key)
|
|
idx = 0;
|
|
else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
|
|
if (sdata->default_key == sdata->keys[i]) {
|
|
idx = i;
|
|
break;
|
|
}
|
|
}
|
|
if (idx < 0)
|
|
return -EINVAL;
|
|
} else
|
|
idx--;
|
|
|
|
erq->flags = idx + 1;
|
|
|
|
if (!sdata->keys[idx]) {
|
|
erq->length = 0;
|
|
erq->flags |= IW_ENCODE_DISABLED;
|
|
return 0;
|
|
}
|
|
|
|
memcpy(key, sdata->keys[idx]->conf.key,
|
|
min_t(int, erq->length, sdata->keys[idx]->conf.keylen));
|
|
erq->length = sdata->keys[idx]->conf.keylen;
|
|
erq->flags |= IW_ENCODE_ENABLED;
|
|
|
|
if (sdata->vif.type == NL80211_IFTYPE_STATION) {
|
|
struct ieee80211_if_sta *ifsta = &sdata->u.sta;
|
|
switch (ifsta->auth_alg) {
|
|
case WLAN_AUTH_OPEN:
|
|
case WLAN_AUTH_LEAP:
|
|
erq->flags |= IW_ENCODE_OPEN;
|
|
break;
|
|
case WLAN_AUTH_SHARED_KEY:
|
|
erq->flags |= IW_ENCODE_RESTRICTED;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_ioctl_siwpower(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_param *wrq,
|
|
char *extra)
|
|
{
|
|
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
|
struct ieee80211_conf *conf = &local->hw.conf;
|
|
|
|
if (wrq->disabled) {
|
|
conf->flags &= ~IEEE80211_CONF_PS;
|
|
return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
|
|
}
|
|
|
|
switch (wrq->flags & IW_POWER_MODE) {
|
|
case IW_POWER_ON: /* If not specified */
|
|
case IW_POWER_MODE: /* If set all mask */
|
|
case IW_POWER_ALL_R: /* If explicitely state all */
|
|
conf->flags |= IEEE80211_CONF_PS;
|
|
break;
|
|
default: /* Otherwise we don't support it */
|
|
return -EINVAL;
|
|
}
|
|
|
|
return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
|
|
}
|
|
|
|
static int ieee80211_ioctl_giwpower(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
union iwreq_data *wrqu,
|
|
char *extra)
|
|
{
|
|
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
|
struct ieee80211_conf *conf = &local->hw.conf;
|
|
|
|
wrqu->power.disabled = !(conf->flags & IEEE80211_CONF_PS);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ieee80211_ioctl_siwauth(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_param *data, char *extra)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
int ret = 0;
|
|
|
|
switch (data->flags & IW_AUTH_INDEX) {
|
|
case IW_AUTH_WPA_VERSION:
|
|
case IW_AUTH_CIPHER_PAIRWISE:
|
|
case IW_AUTH_CIPHER_GROUP:
|
|
case IW_AUTH_WPA_ENABLED:
|
|
case IW_AUTH_RX_UNENCRYPTED_EAPOL:
|
|
case IW_AUTH_KEY_MGMT:
|
|
break;
|
|
case IW_AUTH_DROP_UNENCRYPTED:
|
|
sdata->drop_unencrypted = !!data->value;
|
|
break;
|
|
case IW_AUTH_PRIVACY_INVOKED:
|
|
if (sdata->vif.type != NL80211_IFTYPE_STATION)
|
|
ret = -EINVAL;
|
|
else {
|
|
sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
|
|
/*
|
|
* Privacy invoked by wpa_supplicant, store the
|
|
* value and allow associating to a protected
|
|
* network without having a key up front.
|
|
*/
|
|
if (data->value)
|
|
sdata->u.sta.flags |=
|
|
IEEE80211_STA_PRIVACY_INVOKED;
|
|
}
|
|
break;
|
|
case IW_AUTH_80211_AUTH_ALG:
|
|
if (sdata->vif.type == NL80211_IFTYPE_STATION ||
|
|
sdata->vif.type == NL80211_IFTYPE_ADHOC)
|
|
sdata->u.sta.auth_algs = data->value;
|
|
else
|
|
ret = -EOPNOTSUPP;
|
|
break;
|
|
default:
|
|
ret = -EOPNOTSUPP;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/* Get wireless statistics. Called by /proc/net/wireless and by SIOCGIWSTATS */
|
|
static struct iw_statistics *ieee80211_get_wireless_stats(struct net_device *dev)
|
|
{
|
|
struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
|
|
struct iw_statistics *wstats = &local->wstats;
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
struct sta_info *sta = NULL;
|
|
|
|
rcu_read_lock();
|
|
|
|
if (sdata->vif.type == NL80211_IFTYPE_STATION ||
|
|
sdata->vif.type == NL80211_IFTYPE_ADHOC)
|
|
sta = sta_info_get(local, sdata->u.sta.bssid);
|
|
if (!sta) {
|
|
wstats->discard.fragment = 0;
|
|
wstats->discard.misc = 0;
|
|
wstats->qual.qual = 0;
|
|
wstats->qual.level = 0;
|
|
wstats->qual.noise = 0;
|
|
wstats->qual.updated = IW_QUAL_ALL_INVALID;
|
|
} else {
|
|
wstats->qual.level = sta->last_signal;
|
|
wstats->qual.qual = sta->last_qual;
|
|
wstats->qual.noise = sta->last_noise;
|
|
wstats->qual.updated = local->wstats_flags;
|
|
}
|
|
|
|
rcu_read_unlock();
|
|
|
|
return wstats;
|
|
}
|
|
|
|
static int ieee80211_ioctl_giwauth(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_param *data, char *extra)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
int ret = 0;
|
|
|
|
switch (data->flags & IW_AUTH_INDEX) {
|
|
case IW_AUTH_80211_AUTH_ALG:
|
|
if (sdata->vif.type == NL80211_IFTYPE_STATION ||
|
|
sdata->vif.type == NL80211_IFTYPE_ADHOC)
|
|
data->value = sdata->u.sta.auth_algs;
|
|
else
|
|
ret = -EOPNOTSUPP;
|
|
break;
|
|
default:
|
|
ret = -EOPNOTSUPP;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int ieee80211_ioctl_siwencodeext(struct net_device *dev,
|
|
struct iw_request_info *info,
|
|
struct iw_point *erq, char *extra)
|
|
{
|
|
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
struct iw_encode_ext *ext = (struct iw_encode_ext *) extra;
|
|
int uninitialized_var(alg), idx, i, remove = 0;
|
|
|
|
switch (ext->alg) {
|
|
case IW_ENCODE_ALG_NONE:
|
|
remove = 1;
|
|
break;
|
|
case IW_ENCODE_ALG_WEP:
|
|
alg = ALG_WEP;
|
|
break;
|
|
case IW_ENCODE_ALG_TKIP:
|
|
alg = ALG_TKIP;
|
|
break;
|
|
case IW_ENCODE_ALG_CCMP:
|
|
alg = ALG_CCMP;
|
|
break;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
if (erq->flags & IW_ENCODE_DISABLED)
|
|
remove = 1;
|
|
|
|
idx = erq->flags & IW_ENCODE_INDEX;
|
|
if (idx < 1 || idx > 4) {
|
|
idx = -1;
|
|
if (!sdata->default_key)
|
|
idx = 0;
|
|
else for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
|
|
if (sdata->default_key == sdata->keys[i]) {
|
|
idx = i;
|
|
break;
|
|
}
|
|
}
|
|
if (idx < 0)
|
|
return -EINVAL;
|
|
} else
|
|
idx--;
|
|
|
|
return ieee80211_set_encryption(sdata, ext->addr.sa_data, idx, alg,
|
|
remove,
|
|
ext->ext_flags &
|
|
IW_ENCODE_EXT_SET_TX_KEY,
|
|
ext->key, ext->key_len);
|
|
}
|
|
|
|
|
|
/* Structures to export the Wireless Handlers */
|
|
|
|
static const iw_handler ieee80211_handler[] =
|
|
{
|
|
(iw_handler) NULL, /* SIOCSIWCOMMIT */
|
|
(iw_handler) cfg80211_wext_giwname, /* SIOCGIWNAME */
|
|
(iw_handler) NULL, /* SIOCSIWNWID */
|
|
(iw_handler) NULL, /* SIOCGIWNWID */
|
|
(iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */
|
|
(iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */
|
|
(iw_handler) cfg80211_wext_siwmode, /* SIOCSIWMODE */
|
|
(iw_handler) cfg80211_wext_giwmode, /* SIOCGIWMODE */
|
|
(iw_handler) NULL, /* SIOCSIWSENS */
|
|
(iw_handler) NULL, /* SIOCGIWSENS */
|
|
(iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
|
|
(iw_handler) ieee80211_ioctl_giwrange, /* SIOCGIWRANGE */
|
|
(iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
|
|
(iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
|
|
(iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
|
|
(iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
|
|
(iw_handler) NULL, /* SIOCSIWSPY */
|
|
(iw_handler) NULL, /* SIOCGIWSPY */
|
|
(iw_handler) NULL, /* SIOCSIWTHRSPY */
|
|
(iw_handler) NULL, /* SIOCGIWTHRSPY */
|
|
(iw_handler) ieee80211_ioctl_siwap, /* SIOCSIWAP */
|
|
(iw_handler) ieee80211_ioctl_giwap, /* SIOCGIWAP */
|
|
(iw_handler) ieee80211_ioctl_siwmlme, /* SIOCSIWMLME */
|
|
(iw_handler) NULL, /* SIOCGIWAPLIST */
|
|
(iw_handler) ieee80211_ioctl_siwscan, /* SIOCSIWSCAN */
|
|
(iw_handler) ieee80211_ioctl_giwscan, /* SIOCGIWSCAN */
|
|
(iw_handler) ieee80211_ioctl_siwessid, /* SIOCSIWESSID */
|
|
(iw_handler) ieee80211_ioctl_giwessid, /* SIOCGIWESSID */
|
|
(iw_handler) NULL, /* SIOCSIWNICKN */
|
|
(iw_handler) NULL, /* SIOCGIWNICKN */
|
|
(iw_handler) NULL, /* -- hole -- */
|
|
(iw_handler) NULL, /* -- hole -- */
|
|
(iw_handler) ieee80211_ioctl_siwrate, /* SIOCSIWRATE */
|
|
(iw_handler) ieee80211_ioctl_giwrate, /* SIOCGIWRATE */
|
|
(iw_handler) ieee80211_ioctl_siwrts, /* SIOCSIWRTS */
|
|
(iw_handler) ieee80211_ioctl_giwrts, /* SIOCGIWRTS */
|
|
(iw_handler) ieee80211_ioctl_siwfrag, /* SIOCSIWFRAG */
|
|
(iw_handler) ieee80211_ioctl_giwfrag, /* SIOCGIWFRAG */
|
|
(iw_handler) ieee80211_ioctl_siwtxpower, /* SIOCSIWTXPOW */
|
|
(iw_handler) ieee80211_ioctl_giwtxpower, /* SIOCGIWTXPOW */
|
|
(iw_handler) ieee80211_ioctl_siwretry, /* SIOCSIWRETRY */
|
|
(iw_handler) ieee80211_ioctl_giwretry, /* SIOCGIWRETRY */
|
|
(iw_handler) ieee80211_ioctl_siwencode, /* SIOCSIWENCODE */
|
|
(iw_handler) ieee80211_ioctl_giwencode, /* SIOCGIWENCODE */
|
|
(iw_handler) ieee80211_ioctl_siwpower, /* SIOCSIWPOWER */
|
|
(iw_handler) ieee80211_ioctl_giwpower, /* SIOCGIWPOWER */
|
|
(iw_handler) NULL, /* -- hole -- */
|
|
(iw_handler) NULL, /* -- hole -- */
|
|
(iw_handler) ieee80211_ioctl_siwgenie, /* SIOCSIWGENIE */
|
|
(iw_handler) NULL, /* SIOCGIWGENIE */
|
|
(iw_handler) ieee80211_ioctl_siwauth, /* SIOCSIWAUTH */
|
|
(iw_handler) ieee80211_ioctl_giwauth, /* SIOCGIWAUTH */
|
|
(iw_handler) ieee80211_ioctl_siwencodeext, /* SIOCSIWENCODEEXT */
|
|
(iw_handler) NULL, /* SIOCGIWENCODEEXT */
|
|
(iw_handler) NULL, /* SIOCSIWPMKSA */
|
|
(iw_handler) NULL, /* -- hole -- */
|
|
};
|
|
|
|
const struct iw_handler_def ieee80211_iw_handler_def =
|
|
{
|
|
.num_standard = ARRAY_SIZE(ieee80211_handler),
|
|
.standard = (iw_handler *) ieee80211_handler,
|
|
.get_wireless_stats = ieee80211_get_wireless_stats,
|
|
};
|