[MAC80211]: Add mac80211 wireless stack.
Add mac80211, the IEEE 802.11 software MAC layer.
Signed-off-by: Jiri Benc <jbenc@suse.cz>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/ieee80211_ioctl.c b/net/mac80211/ieee80211_ioctl.c
new file mode 100644
index 0000000..73909ec
--- /dev/null
+++ b/net/mac80211/ieee80211_ioctl.c
@@ -0,0 +1,1806 @@
+/*
+ * 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 "hostapd_ioctl.h"
+#include "ieee80211_rate.h"
+#include "wpa.h"
+#include "aes_ccm.h"
+
+static int ieee80211_regdom = 0x10; /* FCC */
+module_param(ieee80211_regdom, int, 0444);
+MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain; 64=MKK");
+
+/*
+ * If firmware is upgraded by the vendor, additional channels can be used based
+ * on the new Japanese regulatory rules. This is indicated by setting
+ * ieee80211_japan_5ghz module parameter to one when loading the 80211 kernel
+ * module.
+ */
+static int ieee80211_japan_5ghz /* = 0 */;
+module_param(ieee80211_japan_5ghz, int, 0444);
+MODULE_PARM_DESC(ieee80211_japan_5ghz, "Vendor-updated firmware for 5 GHz");
+
+static void ieee80211_set_hw_encryption(struct net_device *dev,
+ struct sta_info *sta, u8 addr[ETH_ALEN],
+ struct ieee80211_key *key)
+{
+ struct ieee80211_key_conf *keyconf = NULL;
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+
+ /* default to sw encryption; this will be cleared by low-level
+ * driver if the hw supports requested encryption */
+ if (key)
+ key->force_sw_encrypt = 1;
+
+ if (key && local->ops->set_key &&
+ (keyconf = ieee80211_key_data2conf(local, key))) {
+ if (local->ops->set_key(local_to_hw(local), SET_KEY, addr,
+ keyconf, sta ? sta->aid : 0)) {
+ key->force_sw_encrypt = 1;
+ key->hw_key_idx = HW_KEY_IDX_INVALID;
+ } else {
+ key->force_sw_encrypt =
+ !!(keyconf->flags & IEEE80211_KEY_FORCE_SW_ENCRYPT);
+ key->hw_key_idx =
+ keyconf->hw_key_idx;
+
+ }
+ }
+ kfree(keyconf);
+}
+
+
+static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
+ int idx, int alg, int set_tx_key,
+ const u8 *_key, size_t key_len)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ int ret = 0;
+ struct sta_info *sta;
+ struct ieee80211_key *key, *old_key;
+ int try_hwaccel = 1;
+ struct ieee80211_key_conf *keyconf;
+ struct ieee80211_sub_if_data *sdata;
+
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (is_broadcast_ether_addr(sta_addr)) {
+ sta = NULL;
+ if (idx >= NUM_DEFAULT_KEYS) {
+ printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n",
+ dev->name, idx);
+ return -EINVAL;
+ }
+ key = sdata->keys[idx];
+
+ /* TODO: consider adding hwaccel support for these; at least
+ * Atheros key cache should be able to handle this since AP is
+ * only transmitting frames with default keys. */
+ /* FIX: hw key cache can be used when only one virtual
+ * STA is associated with each AP. If more than one STA
+ * is associated to the same AP, software encryption
+ * must be used. This should be done automatically
+ * based on configured station devices. For the time
+ * being, this can be only set at compile time. */
+ } else {
+ set_tx_key = 0;
+ if (idx != 0) {
+ printk(KERN_DEBUG "%s: set_encrypt - non-zero idx for "
+ "individual key\n", dev->name);
+ return -EINVAL;
+ }
+
+ sta = sta_info_get(local, sta_addr);
+ if (!sta) {
+#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
+ printk(KERN_DEBUG "%s: set_encrypt - unknown addr "
+ MAC_FMT "\n",
+ dev->name, MAC_ARG(sta_addr));
+#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
+
+ return -ENOENT;
+ }
+
+ key = sta->key;
+ }
+
+ /* FIX:
+ * Cannot configure default hwaccel keys with WEP algorithm, if
+ * any of the virtual interfaces is using static WEP
+ * configuration because hwaccel would otherwise try to decrypt
+ * these frames.
+ *
+ * For now, just disable WEP hwaccel for broadcast when there is
+ * possibility of conflict with default keys. This can maybe later be
+ * optimized by using non-default keys (at least with Atheros ar521x).
+ */
+ if (!sta && alg == ALG_WEP && !local->default_wep_only &&
+ sdata->type != IEEE80211_IF_TYPE_IBSS &&
+ sdata->type != IEEE80211_IF_TYPE_AP) {
+ try_hwaccel = 0;
+ }
+
+ if (local->hw.flags & IEEE80211_HW_DEVICE_HIDES_WEP) {
+ /* Software encryption cannot be used with devices that hide
+ * encryption from the host system, so always try to use
+ * hardware acceleration with such devices. */
+ try_hwaccel = 1;
+ }
+
+ if ((local->hw.flags & IEEE80211_HW_NO_TKIP_WMM_HWACCEL) &&
+ alg == ALG_TKIP) {
+ if (sta && (sta->flags & WLAN_STA_WME)) {
+ /* Hardware does not support hwaccel with TKIP when using WMM.
+ */
+ try_hwaccel = 0;
+ }
+ else if (sdata->type == IEEE80211_IF_TYPE_STA) {
+ sta = sta_info_get(local, sdata->u.sta.bssid);
+ if (sta) {
+ if (sta->flags & WLAN_STA_WME) {
+ try_hwaccel = 0;
+ }
+ sta_info_put(sta);
+ sta = NULL;
+ }
+ }
+ }
+
+ if (alg == ALG_NONE) {
+ keyconf = NULL;
+ if (try_hwaccel && key &&
+ key->hw_key_idx != HW_KEY_IDX_INVALID &&
+ local->ops->set_key &&
+ (keyconf = ieee80211_key_data2conf(local, key)) != NULL &&
+ local->ops->set_key(local_to_hw(local), DISABLE_KEY,
+ sta_addr, keyconf, sta ? sta->aid : 0)) {
+ printk(KERN_DEBUG "%s: set_encrypt - low-level disable"
+ " failed\n", dev->name);
+ ret = -EINVAL;
+ }
+ kfree(keyconf);
+
+ if (set_tx_key || sdata->default_key == key)
+ sdata->default_key = NULL;
+ if (sta)
+ sta->key = NULL;
+ else
+ sdata->keys[idx] = NULL;
+ ieee80211_key_free(key);
+ key = NULL;
+ } else {
+ old_key = key;
+ key = ieee80211_key_alloc(sta ? NULL : sdata, idx, key_len,
+ GFP_KERNEL);
+ if (!key) {
+ ret = -ENOMEM;
+ goto err_out;
+ }
+
+ /* default to sw encryption; low-level driver sets these if the
+ * requested encryption is supported */
+ key->hw_key_idx = HW_KEY_IDX_INVALID;
+ key->force_sw_encrypt = 1;
+
+ key->alg = alg;
+ key->keyidx = idx;
+ key->keylen = key_len;
+ memcpy(key->key, _key, key_len);
+ if (set_tx_key)
+ key->default_tx_key = 1;
+
+ if (alg == ALG_CCMP) {
+ /* Initialize AES key state here as an optimization
+ * so that it does not need to be initialized for every
+ * packet. */
+ key->u.ccmp.tfm = ieee80211_aes_key_setup_encrypt(
+ key->key);
+ if (!key->u.ccmp.tfm) {
+ ret = -ENOMEM;
+ goto err_free;
+ }
+ }
+
+ if (set_tx_key || sdata->default_key == old_key)
+ sdata->default_key = NULL;
+ if (sta)
+ sta->key = key;
+ else
+ sdata->keys[idx] = key;
+ ieee80211_key_free(old_key);
+
+ if (try_hwaccel &&
+ (alg == ALG_WEP || alg == ALG_TKIP || alg == ALG_CCMP))
+ ieee80211_set_hw_encryption(dev, sta, sta_addr, key);
+ }
+
+ if (set_tx_key || (!sta && !sdata->default_key && key)) {
+ sdata->default_key = key;
+
+ if (local->ops->set_key_idx &&
+ local->ops->set_key_idx(local_to_hw(local), idx))
+ printk(KERN_DEBUG "%s: failed to set TX key idx for "
+ "low-level driver\n", dev->name);
+ }
+
+ if (sta)
+ sta_info_put(sta);
+
+ return 0;
+
+err_free:
+ ieee80211_key_free(key);
+err_out:
+ if (sta)
+ sta_info_put(sta);
+ return ret;
+}
+
+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;
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+
+ if (local->user_space_mlme)
+ return -EOPNOTSUPP;
+
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ if (sdata->type == IEEE80211_IF_TYPE_STA ||
+ sdata->type == IEEE80211_IF_TYPE_IBSS) {
+ int ret = ieee80211_sta_set_extra_ie(dev, extra, data->length);
+ if (ret)
+ return ret;
+ sdata->u.sta.auto_bssid_sel = 0;
+ ieee80211_sta_req_auth(dev, &sdata->u.sta);
+ return 0;
+ }
+
+ if (sdata->type == IEEE80211_IF_TYPE_AP) {
+ kfree(sdata->u.ap.generic_elem);
+ sdata->u.ap.generic_elem = kmalloc(data->length, GFP_KERNEL);
+ if (!sdata->u.ap.generic_elem)
+ return -ENOMEM;
+ memcpy(sdata->u.ap.generic_elem, extra, data->length);
+ sdata->u.ap.generic_elem_len = data->length;
+ return ieee80211_if_config(dev);
+ }
+ return -EOPNOTSUPP;
+}
+
+static int ieee80211_ioctl_set_radio_enabled(struct net_device *dev,
+ int val)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_conf *conf = &local->hw.conf;
+
+ conf->radio_enabled = val;
+ return ieee80211_hw_config(wdev_priv(dev->ieee80211_ptr));
+}
+
+static int ieee80211_ioctl_giwname(struct net_device *dev,
+ struct iw_request_info *info,
+ char *name, char *extra)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+
+ switch (local->hw.conf.phymode) {
+ case MODE_IEEE80211A:
+ strcpy(name, "IEEE 802.11a");
+ break;
+ case MODE_IEEE80211B:
+ strcpy(name, "IEEE 802.11b");
+ break;
+ case MODE_IEEE80211G:
+ strcpy(name, "IEEE 802.11g");
+ break;
+ case MODE_ATHEROS_TURBO:
+ strcpy(name, "5GHz Turbo");
+ break;
+ default:
+ strcpy(name, "IEEE 802.11");
+ break;
+ }
+
+ return 0;
+}
+
+
+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;
+
+ 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;
+
+ range->max_qual.qual = local->hw.max_signal;
+ range->max_qual.level = local->hw.max_rssi;
+ range->max_qual.noise = local->hw.max_noise;
+ range->max_qual.updated = local->wstats_flags;
+
+ range->avg_qual.qual = local->hw.max_signal/2;
+ range->avg_qual.level = 0;
+ range->avg_qual.noise = 0;
+ 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;
+
+ IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
+ IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY);
+ IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
+ IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
+
+ return 0;
+}
+
+
+struct ieee80211_channel_range {
+ short start_freq;
+ short end_freq;
+ unsigned char power_level;
+ unsigned char antenna_max;
+};
+
+static const struct ieee80211_channel_range ieee80211_fcc_channels[] = {
+ { 2412, 2462, 27, 6 } /* IEEE 802.11b/g, channels 1..11 */,
+ { 5180, 5240, 17, 6 } /* IEEE 802.11a, channels 36..48 */,
+ { 5260, 5320, 23, 6 } /* IEEE 802.11a, channels 52..64 */,
+ { 5745, 5825, 30, 6 } /* IEEE 802.11a, channels 149..165, outdoor */,
+ { 0 }
+};
+
+static const struct ieee80211_channel_range ieee80211_mkk_channels[] = {
+ { 2412, 2472, 20, 6 } /* IEEE 802.11b/g, channels 1..13 */,
+ { 5170, 5240, 20, 6 } /* IEEE 802.11a, channels 34..48 */,
+ { 5260, 5320, 20, 6 } /* IEEE 802.11a, channels 52..64 */,
+ { 0 }
+};
+
+
+static const struct ieee80211_channel_range *channel_range =
+ ieee80211_fcc_channels;
+
+
+static void ieee80211_unmask_channel(struct net_device *dev, int mode,
+ struct ieee80211_channel *chan)
+{
+ int i;
+
+ chan->flag = 0;
+
+ if (ieee80211_regdom == 64 &&
+ (mode == MODE_ATHEROS_TURBO || mode == MODE_ATHEROS_TURBOG)) {
+ /* Do not allow Turbo modes in Japan. */
+ return;
+ }
+
+ for (i = 0; channel_range[i].start_freq; i++) {
+ const struct ieee80211_channel_range *r = &channel_range[i];
+ if (r->start_freq <= chan->freq && r->end_freq >= chan->freq) {
+ if (ieee80211_regdom == 64 && !ieee80211_japan_5ghz &&
+ chan->freq >= 5260 && chan->freq <= 5320) {
+ /*
+ * Skip new channels in Japan since the
+ * firmware was not marked having been upgraded
+ * by the vendor.
+ */
+ continue;
+ }
+
+ if (ieee80211_regdom == 0x10 &&
+ (chan->freq == 5190 || chan->freq == 5210 ||
+ chan->freq == 5230)) {
+ /* Skip MKK channels when in FCC domain. */
+ continue;
+ }
+
+ chan->flag |= IEEE80211_CHAN_W_SCAN |
+ IEEE80211_CHAN_W_ACTIVE_SCAN |
+ IEEE80211_CHAN_W_IBSS;
+ chan->power_level = r->power_level;
+ chan->antenna_max = r->antenna_max;
+
+ if (ieee80211_regdom == 64 &&
+ (chan->freq == 5170 || chan->freq == 5190 ||
+ chan->freq == 5210 || chan->freq == 5230)) {
+ /*
+ * New regulatory rules in Japan have backwards
+ * compatibility with old channels in 5.15-5.25
+ * GHz band, but the station is not allowed to
+ * use active scan on these old channels.
+ */
+ chan->flag &= ~IEEE80211_CHAN_W_ACTIVE_SCAN;
+ }
+
+ if (ieee80211_regdom == 64 &&
+ (chan->freq == 5260 || chan->freq == 5280 ||
+ chan->freq == 5300 || chan->freq == 5320)) {
+ /*
+ * IBSS is not allowed on 5.25-5.35 GHz band
+ * due to radar detection requirements.
+ */
+ chan->flag &= ~IEEE80211_CHAN_W_IBSS;
+ }
+
+ break;
+ }
+ }
+}
+
+
+static int ieee80211_unmask_channels(struct net_device *dev)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_hw_mode *mode;
+ int c;
+
+ list_for_each_entry(mode, &local->modes_list, list) {
+ for (c = 0; c < mode->num_channels; c++) {
+ ieee80211_unmask_channel(dev, mode->mode,
+ &mode->channels[c]);
+ }
+ }
+ return 0;
+}
+
+
+int ieee80211_init_client(struct net_device *dev)
+{
+ if (ieee80211_regdom == 0x40)
+ channel_range = ieee80211_mkk_channels;
+ ieee80211_unmask_channels(dev);
+ return 0;
+}
+
+
+static int ieee80211_ioctl_siwmode(struct net_device *dev,
+ struct iw_request_info *info,
+ __u32 *mode, char *extra)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ int type;
+
+ if (sdata->type == IEEE80211_IF_TYPE_VLAN)
+ return -EOPNOTSUPP;
+
+ switch (*mode) {
+ case IW_MODE_INFRA:
+ type = IEEE80211_IF_TYPE_STA;
+ break;
+ case IW_MODE_ADHOC:
+ type = IEEE80211_IF_TYPE_IBSS;
+ break;
+ case IW_MODE_MONITOR:
+ type = IEEE80211_IF_TYPE_MNTR;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (type == sdata->type)
+ return 0;
+ if (netif_running(dev))
+ return -EBUSY;
+
+ ieee80211_if_reinit(dev);
+ ieee80211_if_set_type(dev, type);
+
+ return 0;
+}
+
+
+static int ieee80211_ioctl_giwmode(struct net_device *dev,
+ struct iw_request_info *info,
+ __u32 *mode, char *extra)
+{
+ struct ieee80211_sub_if_data *sdata;
+
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ switch (sdata->type) {
+ case IEEE80211_IF_TYPE_AP:
+ *mode = IW_MODE_MASTER;
+ break;
+ case IEEE80211_IF_TYPE_STA:
+ *mode = IW_MODE_INFRA;
+ break;
+ case IEEE80211_IF_TYPE_IBSS:
+ *mode = IW_MODE_ADHOC;
+ break;
+ case IEEE80211_IF_TYPE_MNTR:
+ *mode = IW_MODE_MONITOR;
+ break;
+ case IEEE80211_IF_TYPE_WDS:
+ *mode = IW_MODE_REPEAT;
+ break;
+ case IEEE80211_IF_TYPE_VLAN:
+ *mode = IW_MODE_SECOND; /* FIXME */
+ break;
+ default:
+ *mode = IW_MODE_AUTO;
+ break;
+ }
+ return 0;
+}
+
+int ieee80211_set_channel(struct ieee80211_local *local, int channel, int freq)
+{
+ struct ieee80211_hw_mode *mode;
+ int c, set = 0;
+ int ret = -EINVAL;
+
+ list_for_each_entry(mode, &local->modes_list, list) {
+ if (!(local->enabled_modes & (1 << mode->mode)))
+ continue;
+ for (c = 0; c < mode->num_channels; c++) {
+ struct ieee80211_channel *chan = &mode->channels[c];
+ if (chan->flag & IEEE80211_CHAN_W_SCAN &&
+ ((chan->chan == channel) || (chan->freq == freq))) {
+ /* Use next_mode as the mode preference to
+ * resolve non-unique channel numbers. */
+ if (set && mode->mode != local->next_mode)
+ continue;
+
+ local->oper_channel = chan;
+ local->oper_hw_mode = mode;
+ set++;
+ }
+ }
+ }
+
+ if (set) {
+ if (local->sta_scanning)
+ ret = 0;
+ else
+ ret = ieee80211_hw_config(local);
+
+ rate_control_clear(local);
+ }
+
+ return ret;
+}
+
+static int ieee80211_ioctl_siwfreq(struct net_device *dev,
+ struct iw_request_info *info,
+ struct iw_freq *freq, char *extra)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ if (sdata->type == IEEE80211_IF_TYPE_STA)
+ sdata->u.sta.auto_channel_sel = 0;
+
+ /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
+ if (freq->e == 0) {
+ if (freq->m < 0) {
+ if (sdata->type == IEEE80211_IF_TYPE_STA)
+ sdata->u.sta.auto_channel_sel = 1;
+ return 0;
+ } else
+ return ieee80211_set_channel(local, freq->m, -1);
+ } else {
+ int i, div = 1000000;
+ for (i = 0; i < freq->e; i++)
+ div /= 10;
+ if (div > 0)
+ return ieee80211_set_channel(local, -1, 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);
+
+ /* TODO: in station mode (Managed/Ad-hoc) might need to poll low-level
+ * driver for the current channel with firmware-based management */
+
+ freq->m = local->hw.conf.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_local *local = wdev_priv(dev->ieee80211_ptr);
+ 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->type == IEEE80211_IF_TYPE_STA ||
+ sdata->type == IEEE80211_IF_TYPE_IBSS) {
+ int ret;
+ if (local->user_space_mlme) {
+ if (len > IEEE80211_MAX_SSID_LEN)
+ return -EINVAL;
+ memcpy(sdata->u.sta.ssid, ssid, len);
+ sdata->u.sta.ssid_len = len;
+ return 0;
+ }
+ sdata->u.sta.auto_ssid_sel = !data->flags;
+ ret = ieee80211_sta_set_ssid(dev, ssid, len);
+ if (ret)
+ return ret;
+ ieee80211_sta_req_auth(dev, &sdata->u.sta);
+ return 0;
+ }
+
+ if (sdata->type == IEEE80211_IF_TYPE_AP) {
+ memcpy(sdata->u.ap.ssid, ssid, len);
+ memset(sdata->u.ap.ssid + len, 0,
+ IEEE80211_MAX_SSID_LEN - len);
+ sdata->u.ap.ssid_len = len;
+ return ieee80211_if_config(dev);
+ }
+ 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->type == IEEE80211_IF_TYPE_STA ||
+ sdata->type == IEEE80211_IF_TYPE_IBSS) {
+ int res = ieee80211_sta_get_ssid(dev, ssid, &len);
+ if (res == 0) {
+ data->length = len;
+ data->flags = 1;
+ } else
+ data->flags = 0;
+ return res;
+ }
+
+ if (sdata->type == IEEE80211_IF_TYPE_AP) {
+ len = sdata->u.ap.ssid_len;
+ if (len > IW_ESSID_MAX_SIZE)
+ len = IW_ESSID_MAX_SIZE;
+ memcpy(ssid, sdata->u.ap.ssid, len);
+ data->length = len;
+ data->flags = 1;
+ return 0;
+ }
+ return -EOPNOTSUPP;
+}
+
+
+static int ieee80211_ioctl_siwap(struct net_device *dev,
+ struct iw_request_info *info,
+ struct sockaddr *ap_addr, char *extra)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_sub_if_data *sdata;
+
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ if (sdata->type == IEEE80211_IF_TYPE_STA ||
+ sdata->type == IEEE80211_IF_TYPE_IBSS) {
+ int ret;
+ if (local->user_space_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.auto_bssid_sel = 1;
+ sdata->u.sta.auto_channel_sel = 1;
+ } else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
+ sdata->u.sta.auto_bssid_sel = 1;
+ else
+ sdata->u.sta.auto_bssid_sel = 0;
+ ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
+ if (ret)
+ return ret;
+ ieee80211_sta_req_auth(dev, &sdata->u.sta);
+ return 0;
+ } else if (sdata->type == IEEE80211_IF_TYPE_WDS) {
+ if (memcmp(sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
+ ETH_ALEN) == 0)
+ return 0;
+ return ieee80211_if_update_wds(dev, (u8 *) &ap_addr->sa_data);
+ }
+
+ 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->type == IEEE80211_IF_TYPE_STA ||
+ sdata->type == IEEE80211_IF_TYPE_IBSS) {
+ ap_addr->sa_family = ARPHRD_ETHER;
+ memcpy(&ap_addr->sa_data, sdata->u.sta.bssid, ETH_ALEN);
+ return 0;
+ } else if (sdata->type == IEEE80211_IF_TYPE_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,
+ struct iw_point *data, char *extra)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ u8 *ssid = NULL;
+ size_t ssid_len = 0;
+
+ if (!netif_running(dev))
+ return -ENETDOWN;
+
+ if (local->scan_flags & IEEE80211_SCAN_MATCH_SSID) {
+ if (sdata->type == IEEE80211_IF_TYPE_STA ||
+ sdata->type == IEEE80211_IF_TYPE_IBSS) {
+ ssid = sdata->u.sta.ssid;
+ ssid_len = sdata->u.sta.ssid_len;
+ } else if (sdata->type == IEEE80211_IF_TYPE_AP) {
+ ssid = sdata->u.ap.ssid;
+ ssid_len = sdata->u.ap.ssid_len;
+ } else
+ return -EINVAL;
+ }
+ return ieee80211_sta_req_scan(dev, 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);
+ if (local->sta_scanning)
+ return -EAGAIN;
+ res = ieee80211_sta_scan_results(dev, extra, data->length);
+ if (res >= 0) {
+ data->length = res;
+ return 0;
+ }
+ data->length = 0;
+ return res;
+}
+
+
+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->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->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)
+ 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->long_retry_limit = retry->value;
+ else if (retry->flags & IW_RETRY_MIN)
+ local->short_retry_limit = retry->value;
+ else {
+ local->long_retry_limit = retry->value;
+ local->short_retry_limit = retry->value;
+ }
+
+ if (local->ops->set_retry_limit) {
+ return local->ops->set_retry_limit(
+ local_to_hw(local),
+ local->short_retry_limit,
+ local->long_retry_limit);
+ }
+
+ 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->short_retry_limit;
+ if (local->long_retry_limit != local->short_retry_limit)
+ retry->flags |= IW_RETRY_MIN;
+ return 0;
+ }
+ if (retry->flags & IW_RETRY_MAX) {
+ retry->flags = IW_RETRY_LIMIT | IW_RETRY_MAX;
+ retry->value = local->long_retry_limit;
+ }
+
+ return 0;
+}
+
+static int ieee80211_ioctl_clear_keys(struct net_device *dev)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_key_conf key;
+ int i;
+ u8 addr[ETH_ALEN];
+ struct ieee80211_key_conf *keyconf;
+ struct ieee80211_sub_if_data *sdata;
+ struct sta_info *sta;
+
+ memset(addr, 0xff, ETH_ALEN);
+ read_lock(&local->sub_if_lock);
+ list_for_each_entry(sdata, &local->sub_if_list, list) {
+ for (i = 0; i < NUM_DEFAULT_KEYS; i++) {
+ keyconf = NULL;
+ if (sdata->keys[i] &&
+ !sdata->keys[i]->force_sw_encrypt &&
+ local->ops->set_key &&
+ (keyconf = ieee80211_key_data2conf(local,
+ sdata->keys[i])))
+ local->ops->set_key(local_to_hw(local),
+ DISABLE_KEY, addr,
+ keyconf, 0);
+ kfree(keyconf);
+ ieee80211_key_free(sdata->keys[i]);
+ sdata->keys[i] = NULL;
+ }
+ sdata->default_key = NULL;
+ }
+ read_unlock(&local->sub_if_lock);
+
+ spin_lock_bh(&local->sta_lock);
+ list_for_each_entry(sta, &local->sta_list, list) {
+ keyconf = NULL;
+ if (sta->key && !sta->key->force_sw_encrypt &&
+ local->ops->set_key &&
+ (keyconf = ieee80211_key_data2conf(local, sta->key)))
+ local->ops->set_key(local_to_hw(local), DISABLE_KEY,
+ sta->addr, keyconf, sta->aid);
+ kfree(keyconf);
+ ieee80211_key_free(sta->key);
+ sta->key = NULL;
+ }
+ spin_unlock_bh(&local->sta_lock);
+
+ memset(&key, 0, sizeof(key));
+ if (local->ops->set_key &&
+ local->ops->set_key(local_to_hw(local), REMOVE_ALL_KEYS,
+ NULL, &key, 0))
+ printk(KERN_DEBUG "%s: failed to remove hwaccel keys\n",
+ dev->name);
+
+ return 0;
+}
+
+
+static int
+ieee80211_ioctl_force_unicast_rate(struct net_device *dev,
+ struct ieee80211_sub_if_data *sdata,
+ int rate)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_hw_mode *mode;
+ int i;
+
+ if (sdata->type != IEEE80211_IF_TYPE_AP)
+ return -ENOENT;
+
+ if (rate == 0) {
+ sdata->u.ap.force_unicast_rateidx = -1;
+ return 0;
+ }
+
+ mode = local->oper_hw_mode;
+ for (i = 0; i < mode->num_rates; i++) {
+ if (mode->rates[i].rate == rate) {
+ sdata->u.ap.force_unicast_rateidx = i;
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
+
+static int
+ieee80211_ioctl_max_ratectrl_rate(struct net_device *dev,
+ struct ieee80211_sub_if_data *sdata,
+ int rate)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_hw_mode *mode;
+ int i;
+
+ if (sdata->type != IEEE80211_IF_TYPE_AP)
+ return -ENOENT;
+
+ if (rate == 0) {
+ sdata->u.ap.max_ratectrl_rateidx = -1;
+ return 0;
+ }
+
+ mode = local->oper_hw_mode;
+ for (i = 0; i < mode->num_rates; i++) {
+ if (mode->rates[i].rate == rate) {
+ sdata->u.ap.max_ratectrl_rateidx = i;
+ return 0;
+ }
+ }
+ return -EINVAL;
+}
+
+
+static void ieee80211_key_enable_hwaccel(struct ieee80211_local *local,
+ struct ieee80211_key *key)
+{
+ struct ieee80211_key_conf *keyconf;
+ u8 addr[ETH_ALEN];
+
+ if (!key || key->alg != ALG_WEP || !key->force_sw_encrypt ||
+ (local->hw.flags & IEEE80211_HW_DEVICE_HIDES_WEP))
+ return;
+
+ memset(addr, 0xff, ETH_ALEN);
+ keyconf = ieee80211_key_data2conf(local, key);
+ if (keyconf && local->ops->set_key &&
+ local->ops->set_key(local_to_hw(local),
+ SET_KEY, addr, keyconf, 0) == 0) {
+ key->force_sw_encrypt =
+ !!(keyconf->flags & IEEE80211_KEY_FORCE_SW_ENCRYPT);
+ key->hw_key_idx = keyconf->hw_key_idx;
+ }
+ kfree(keyconf);
+}
+
+
+static void ieee80211_key_disable_hwaccel(struct ieee80211_local *local,
+ struct ieee80211_key *key)
+{
+ struct ieee80211_key_conf *keyconf;
+ u8 addr[ETH_ALEN];
+
+ if (!key || key->alg != ALG_WEP || key->force_sw_encrypt ||
+ (local->hw.flags & IEEE80211_HW_DEVICE_HIDES_WEP))
+ return;
+
+ memset(addr, 0xff, ETH_ALEN);
+ keyconf = ieee80211_key_data2conf(local, key);
+ if (keyconf && local->ops->set_key)
+ local->ops->set_key(local_to_hw(local), DISABLE_KEY,
+ addr, keyconf, 0);
+ kfree(keyconf);
+ key->force_sw_encrypt = 1;
+}
+
+
+static int ieee80211_ioctl_default_wep_only(struct ieee80211_local *local,
+ int value)
+{
+ int i;
+ struct ieee80211_sub_if_data *sdata;
+
+ local->default_wep_only = value;
+ read_lock(&local->sub_if_lock);
+ list_for_each_entry(sdata, &local->sub_if_list, list)
+ for (i = 0; i < NUM_DEFAULT_KEYS; i++)
+ if (value)
+ ieee80211_key_enable_hwaccel(local,
+ sdata->keys[i]);
+ else
+ ieee80211_key_disable_hwaccel(local,
+ sdata->keys[i]);
+ read_unlock(&local->sub_if_lock);
+
+ return 0;
+}
+
+
+void ieee80211_update_default_wep_only(struct ieee80211_local *local)
+{
+ int i = 0;
+ struct ieee80211_sub_if_data *sdata;
+
+ read_lock(&local->sub_if_lock);
+ list_for_each_entry(sdata, &local->sub_if_list, list) {
+
+ if (sdata->dev == local->mdev)
+ continue;
+
+ /* If there is an AP interface then depend on userspace to
+ set default_wep_only correctly. */
+ if (sdata->type == IEEE80211_IF_TYPE_AP) {
+ read_unlock(&local->sub_if_lock);
+ return;
+ }
+
+ i++;
+ }
+
+ read_unlock(&local->sub_if_lock);
+
+ if (i <= 1)
+ ieee80211_ioctl_default_wep_only(local, 1);
+ else
+ ieee80211_ioctl_default_wep_only(local, 0);
+}
+
+
+static int ieee80211_ioctl_prism2_param(struct net_device *dev,
+ struct iw_request_info *info,
+ void *wrqu, char *extra)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_sub_if_data *sdata;
+ int *i = (int *) extra;
+ int param = *i;
+ int value = *(i + 1);
+ int ret = 0;
+
+ if (!capable(CAP_NET_ADMIN))
+ return -EPERM;
+
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ switch (param) {
+ case PRISM2_PARAM_IEEE_802_1X:
+ if (local->ops->set_ieee8021x)
+ ret = local->ops->set_ieee8021x(local_to_hw(local),
+ value);
+ if (ret)
+ printk(KERN_DEBUG "%s: failed to set IEEE 802.1X (%d) "
+ "for low-level driver\n", dev->name, value);
+ else
+ sdata->ieee802_1x = value;
+ break;
+
+ case PRISM2_PARAM_ANTSEL_TX:
+ local->hw.conf.antenna_sel_tx = value;
+ if (ieee80211_hw_config(local))
+ ret = -EINVAL;
+ break;
+
+ case PRISM2_PARAM_ANTSEL_RX:
+ local->hw.conf.antenna_sel_rx = value;
+ if (ieee80211_hw_config(local))
+ ret = -EINVAL;
+ break;
+
+ case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES:
+ local->cts_protect_erp_frames = value;
+ break;
+
+ case PRISM2_PARAM_DROP_UNENCRYPTED:
+ sdata->drop_unencrypted = value;
+ break;
+
+ case PRISM2_PARAM_PREAMBLE:
+ local->short_preamble = value;
+ break;
+
+ case PRISM2_PARAM_STAT_TIME:
+ if (!local->stat_time && value) {
+ local->stat_timer.expires = jiffies + HZ * value / 100;
+ add_timer(&local->stat_timer);
+ } else if (local->stat_time && !value) {
+ del_timer_sync(&local->stat_timer);
+ }
+ local->stat_time = value;
+ break;
+ case PRISM2_PARAM_SHORT_SLOT_TIME:
+ if (value)
+ local->hw.conf.flags |= IEEE80211_CONF_SHORT_SLOT_TIME;
+ else
+ local->hw.conf.flags &= ~IEEE80211_CONF_SHORT_SLOT_TIME;
+ if (ieee80211_hw_config(local))
+ ret = -EINVAL;
+ break;
+
+ case PRISM2_PARAM_NEXT_MODE:
+ local->next_mode = value;
+ break;
+
+ case PRISM2_PARAM_CLEAR_KEYS:
+ ret = ieee80211_ioctl_clear_keys(dev);
+ break;
+
+ case PRISM2_PARAM_RADIO_ENABLED:
+ ret = ieee80211_ioctl_set_radio_enabled(dev, value);
+ break;
+
+ case PRISM2_PARAM_ANTENNA_MODE:
+ local->hw.conf.antenna_mode = value;
+ if (ieee80211_hw_config(local))
+ ret = -EINVAL;
+ break;
+
+ case PRISM2_PARAM_STA_ANTENNA_SEL:
+ local->sta_antenna_sel = value;
+ break;
+
+ case PRISM2_PARAM_FORCE_UNICAST_RATE:
+ ret = ieee80211_ioctl_force_unicast_rate(dev, sdata, value);
+ break;
+
+ case PRISM2_PARAM_MAX_RATECTRL_RATE:
+ ret = ieee80211_ioctl_max_ratectrl_rate(dev, sdata, value);
+ break;
+
+ case PRISM2_PARAM_RATE_CTRL_NUM_UP:
+ local->rate_ctrl_num_up = value;
+ break;
+
+ case PRISM2_PARAM_RATE_CTRL_NUM_DOWN:
+ local->rate_ctrl_num_down = value;
+ break;
+
+ case PRISM2_PARAM_TX_POWER_REDUCTION:
+ if (value < 0)
+ ret = -EINVAL;
+ else
+ local->hw.conf.tx_power_reduction = value;
+ break;
+
+ case PRISM2_PARAM_KEY_TX_RX_THRESHOLD:
+ local->key_tx_rx_threshold = value;
+ break;
+
+ case PRISM2_PARAM_DEFAULT_WEP_ONLY:
+ ret = ieee80211_ioctl_default_wep_only(local, value);
+ break;
+
+ case PRISM2_PARAM_WIFI_WME_NOACK_TEST:
+ local->wifi_wme_noack_test = value;
+ break;
+
+ case PRISM2_PARAM_SCAN_FLAGS:
+ local->scan_flags = value;
+ break;
+
+ case PRISM2_PARAM_MIXED_CELL:
+ if (sdata->type != IEEE80211_IF_TYPE_STA &&
+ sdata->type != IEEE80211_IF_TYPE_IBSS)
+ ret = -EINVAL;
+ else
+ sdata->u.sta.mixed_cell = !!value;
+ break;
+
+ case PRISM2_PARAM_HW_MODES:
+ local->enabled_modes = value;
+ break;
+
+ case PRISM2_PARAM_CREATE_IBSS:
+ if (sdata->type != IEEE80211_IF_TYPE_IBSS)
+ ret = -EINVAL;
+ else
+ sdata->u.sta.create_ibss = !!value;
+ break;
+ case PRISM2_PARAM_WMM_ENABLED:
+ if (sdata->type != IEEE80211_IF_TYPE_STA &&
+ sdata->type != IEEE80211_IF_TYPE_IBSS)
+ ret = -EINVAL;
+ else
+ sdata->u.sta.wmm_enabled = !!value;
+ break;
+ case PRISM2_PARAM_RADAR_DETECT:
+ local->hw.conf.radar_detect = value;
+ break;
+ case PRISM2_PARAM_SPECTRUM_MGMT:
+ local->hw.conf.spect_mgmt = value;
+ break;
+ default:
+ ret = -EOPNOTSUPP;
+ break;
+ }
+
+ return ret;
+}
+
+
+static int ieee80211_ioctl_get_prism2_param(struct net_device *dev,
+ struct iw_request_info *info,
+ void *wrqu, char *extra)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_sub_if_data *sdata;
+ int *param = (int *) extra;
+ int ret = 0;
+
+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+ switch (*param) {
+ case PRISM2_PARAM_IEEE_802_1X:
+ *param = sdata->ieee802_1x;
+ break;
+
+ case PRISM2_PARAM_ANTSEL_TX:
+ *param = local->hw.conf.antenna_sel_tx;
+ break;
+
+ case PRISM2_PARAM_ANTSEL_RX:
+ *param = local->hw.conf.antenna_sel_rx;
+ break;
+
+ case PRISM2_PARAM_CTS_PROTECT_ERP_FRAMES:
+ *param = local->cts_protect_erp_frames;
+ break;
+
+ case PRISM2_PARAM_DROP_UNENCRYPTED:
+ *param = sdata->drop_unencrypted;
+ break;
+
+ case PRISM2_PARAM_PREAMBLE:
+ *param = local->short_preamble;
+ break;
+
+ case PRISM2_PARAM_STAT_TIME:
+ *param = local->stat_time;
+ break;
+ case PRISM2_PARAM_SHORT_SLOT_TIME:
+ *param = !!(local->hw.conf.flags & IEEE80211_CONF_SHORT_SLOT_TIME);
+ break;
+
+ case PRISM2_PARAM_NEXT_MODE:
+ *param = local->next_mode;
+ break;
+
+ case PRISM2_PARAM_ANTENNA_MODE:
+ *param = local->hw.conf.antenna_mode;
+ break;
+
+ case PRISM2_PARAM_STA_ANTENNA_SEL:
+ *param = local->sta_antenna_sel;
+ break;
+
+ case PRISM2_PARAM_RATE_CTRL_NUM_UP:
+ *param = local->rate_ctrl_num_up;
+ break;
+
+ case PRISM2_PARAM_RATE_CTRL_NUM_DOWN:
+ *param = local->rate_ctrl_num_down;
+ break;
+
+ case PRISM2_PARAM_TX_POWER_REDUCTION:
+ *param = local->hw.conf.tx_power_reduction;
+ break;
+
+ case PRISM2_PARAM_KEY_TX_RX_THRESHOLD:
+ *param = local->key_tx_rx_threshold;
+ break;
+
+ case PRISM2_PARAM_DEFAULT_WEP_ONLY:
+ *param = local->default_wep_only;
+ break;
+
+ case PRISM2_PARAM_WIFI_WME_NOACK_TEST:
+ *param = local->wifi_wme_noack_test;
+ break;
+
+ case PRISM2_PARAM_SCAN_FLAGS:
+ *param = local->scan_flags;
+ break;
+
+ case PRISM2_PARAM_HW_MODES:
+ *param = local->enabled_modes;
+ break;
+
+ case PRISM2_PARAM_CREATE_IBSS:
+ if (sdata->type != IEEE80211_IF_TYPE_IBSS)
+ ret = -EINVAL;
+ else
+ *param = !!sdata->u.sta.create_ibss;
+ break;
+
+ case PRISM2_PARAM_MIXED_CELL:
+ if (sdata->type != IEEE80211_IF_TYPE_STA &&
+ sdata->type != IEEE80211_IF_TYPE_IBSS)
+ ret = -EINVAL;
+ else
+ *param = !!sdata->u.sta.mixed_cell;
+ break;
+ case PRISM2_PARAM_WMM_ENABLED:
+ if (sdata->type != IEEE80211_IF_TYPE_STA &&
+ sdata->type != IEEE80211_IF_TYPE_IBSS)
+ ret = -EINVAL;
+ else
+ *param = !!sdata->u.sta.wmm_enabled;
+ break;
+ default:
+ ret = -EOPNOTSUPP;
+ break;
+ }
+
+ return ret;
+}
+
+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->type != IEEE80211_IF_TYPE_STA &&
+ sdata->type != IEEE80211_IF_TYPE_IBSS)
+ return -EINVAL;
+
+ switch (mlme->cmd) {
+ case IW_MLME_DEAUTH:
+ /* TODO: mlme->addr.sa_data */
+ return ieee80211_sta_deauthenticate(dev, mlme->reason_code);
+ case IW_MLME_DISASSOC:
+ /* TODO: mlme->addr.sa_data */
+ return ieee80211_sta_disassociate(dev, 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 };
+
+ 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)
+ alg = ALG_NONE;
+ else if (erq->length == 0) {
+ /* No key data - just set the default TX key index */
+ if (sdata->default_key != sdata->keys[idx])
+ sdata->default_key = sdata->keys[idx];
+ return 0;
+ }
+
+ return ieee80211_set_encryption(
+ dev, bcaddr,
+ idx, alg,
+ !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]->key,
+ min((int)erq->length, sdata->keys[idx]->keylen));
+ erq->length = sdata->keys[idx]->keylen;
+ erq->flags |= IW_ENCODE_ENABLED;
+
+ return 0;
+}
+
+static int ieee80211_ioctl_siwauth(struct net_device *dev,
+ struct iw_request_info *info,
+ struct iw_param *data, char *extra)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ 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:
+ break;
+ case IW_AUTH_KEY_MGMT:
+ if (sdata->type != IEEE80211_IF_TYPE_STA)
+ ret = -EINVAL;
+ else {
+ /*
+ * TODO: sdata->u.sta.key_mgmt does not match with WE18
+ * value completely; could consider modifying this to
+ * be closer to WE18. For now, this value is not really
+ * used for anything else than Privacy matching, so the
+ * current code here should be more or less OK.
+ */
+ if (data->value & IW_AUTH_KEY_MGMT_802_1X) {
+ sdata->u.sta.key_mgmt =
+ IEEE80211_KEY_MGMT_WPA_EAP;
+ } else if (data->value & IW_AUTH_KEY_MGMT_PSK) {
+ sdata->u.sta.key_mgmt =
+ IEEE80211_KEY_MGMT_WPA_PSK;
+ } else {
+ sdata->u.sta.key_mgmt =
+ IEEE80211_KEY_MGMT_NONE;
+ }
+ }
+ break;
+ case IW_AUTH_80211_AUTH_ALG:
+ if (sdata->type == IEEE80211_IF_TYPE_STA ||
+ sdata->type == IEEE80211_IF_TYPE_IBSS)
+ sdata->u.sta.auth_algs = data->value;
+ else
+ ret = -EOPNOTSUPP;
+ break;
+ case IW_AUTH_PRIVACY_INVOKED:
+ if (local->ops->set_privacy_invoked)
+ ret = local->ops->set_privacy_invoked(
+ local_to_hw(local), data->value);
+ 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;
+
+ if (sdata->type == IEEE80211_IF_TYPE_STA ||
+ sdata->type == IEEE80211_IF_TYPE_IBSS)
+ 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_rssi;
+ wstats->qual.qual = sta->last_signal;
+ wstats->qual.noise = sta->last_noise;
+ wstats->qual.updated = local->wstats_flags;
+ sta_info_put(sta);
+ }
+ 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->type == IEEE80211_IF_TYPE_STA ||
+ sdata->type == IEEE80211_IF_TYPE_IBSS)
+ 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 alg, idx, i;
+
+ switch (ext->alg) {
+ case IW_ENCODE_ALG_NONE:
+ alg = ALG_NONE;
+ 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)
+ alg = ALG_NONE;
+
+ 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(dev, ext->addr.sa_data, idx, alg,
+ ext->ext_flags &
+ IW_ENCODE_EXT_SET_TX_KEY,
+ ext->key, ext->key_len);
+}
+
+
+static const struct iw_priv_args ieee80211_ioctl_priv[] = {
+ { PRISM2_IOCTL_PRISM2_PARAM,
+ IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 2, 0, "param" },
+ { PRISM2_IOCTL_GET_PRISM2_PARAM,
+ IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1,
+ IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, "get_param" },
+};
+
+/* Structures to export the Wireless Handlers */
+
+static const iw_handler ieee80211_handler[] =
+{
+ (iw_handler) NULL, /* SIOCSIWCOMMIT */
+ (iw_handler) ieee80211_ioctl_giwname, /* SIOCGIWNAME */
+ (iw_handler) NULL, /* SIOCSIWNWID */
+ (iw_handler) NULL, /* SIOCGIWNWID */
+ (iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */
+ (iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */
+ (iw_handler) ieee80211_ioctl_siwmode, /* SIOCSIWMODE */
+ (iw_handler) ieee80211_ioctl_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_set_spy, /* SIOCSIWSPY */
+ iw_handler_get_spy, /* SIOCGIWSPY */
+ iw_handler_set_thrspy, /* SIOCSIWTHRSPY */
+ iw_handler_get_thrspy, /* 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) NULL, /* SIOCSIWRATE */
+ (iw_handler) NULL, /* 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) NULL, /* SIOCSIWTXPOW */
+ (iw_handler) NULL, /* 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) NULL, /* SIOCSIWPOWER */
+ (iw_handler) NULL, /* 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 -- */
+};
+
+static const iw_handler ieee80211_private_handler[] =
+{ /* SIOCIWFIRSTPRIV + */
+ (iw_handler) ieee80211_ioctl_prism2_param, /* 0 */
+ (iw_handler) ieee80211_ioctl_get_prism2_param, /* 1 */
+};
+
+const struct iw_handler_def ieee80211_iw_handler_def =
+{
+ .num_standard = ARRAY_SIZE(ieee80211_handler),
+ .num_private = ARRAY_SIZE(ieee80211_private_handler),
+ .num_private_args = ARRAY_SIZE(ieee80211_ioctl_priv),
+ .standard = (iw_handler *) ieee80211_handler,
+ .private = (iw_handler *) ieee80211_private_handler,
+ .private_args = (struct iw_priv_args *) ieee80211_ioctl_priv,
+ .get_wireless_stats = ieee80211_get_wireless_stats,
+};