1136 lines
30 KiB
C
1136 lines
30 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 "ieee80211_rate.h"
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#include "wpa.h"
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#include "aes_ccm.h"
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static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr,
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int idx, int alg, int remove,
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int set_tx_key, const u8 *_key,
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size_t key_len)
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{
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struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
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int ret = 0;
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struct sta_info *sta;
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struct ieee80211_key *key;
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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 (idx < 0 || idx >= NUM_DEFAULT_KEYS) {
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printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n",
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dev->name, idx);
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return -EINVAL;
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}
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if (is_broadcast_ether_addr(sta_addr)) {
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sta = NULL;
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key = sdata->keys[idx];
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} else {
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set_tx_key = 0;
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/*
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* According to the standard, the key index of a pairwise
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* key must be zero. However, some AP are broken when it
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* comes to WEP key indices, so we work around this.
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*/
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if (idx != 0 && alg != ALG_WEP) {
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printk(KERN_DEBUG "%s: set_encrypt - non-zero idx for "
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"individual key\n", dev->name);
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return -EINVAL;
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}
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sta = sta_info_get(local, sta_addr);
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if (!sta) {
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#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
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DECLARE_MAC_BUF(mac);
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printk(KERN_DEBUG "%s: set_encrypt - unknown addr "
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"%s\n",
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dev->name, print_mac(mac, sta_addr));
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#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
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return -ENOENT;
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}
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key = sta->key;
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}
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if (remove) {
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ieee80211_key_free(key);
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key = NULL;
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} else {
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/*
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* Automatically frees any old key if present.
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*/
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key = ieee80211_key_alloc(sdata, sta, alg, idx, key_len, _key);
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if (!key) {
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ret = -ENOMEM;
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goto err_out;
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}
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}
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if (set_tx_key || (!sta && !sdata->default_key && key))
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ieee80211_set_default_key(sdata, idx);
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ret = 0;
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err_out:
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if (sta)
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sta_info_put(sta);
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return ret;
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}
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static int ieee80211_ioctl_siwgenie(struct net_device *dev,
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struct iw_request_info *info,
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struct iw_point *data, char *extra)
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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->flags & IEEE80211_SDATA_USERSPACE_MLME)
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return -EOPNOTSUPP;
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if (sdata->type == IEEE80211_IF_TYPE_STA ||
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sdata->type == IEEE80211_IF_TYPE_IBSS) {
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int ret = ieee80211_sta_set_extra_ie(dev, extra, data->length);
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if (ret)
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return ret;
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sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
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ieee80211_sta_req_auth(dev, &sdata->u.sta);
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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_giwname(struct net_device *dev,
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struct iw_request_info *info,
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char *name, char *extra)
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{
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struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
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switch (local->hw.conf.phymode) {
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case MODE_IEEE80211A:
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strcpy(name, "IEEE 802.11a");
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break;
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case MODE_IEEE80211B:
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strcpy(name, "IEEE 802.11b");
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break;
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case MODE_IEEE80211G:
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strcpy(name, "IEEE 802.11g");
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break;
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default:
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strcpy(name, "IEEE 802.11");
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break;
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}
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return 0;
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}
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static int ieee80211_ioctl_giwrange(struct net_device *dev,
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struct iw_request_info *info,
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struct iw_point *data, char *extra)
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{
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struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
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struct iw_range *range = (struct iw_range *) extra;
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struct ieee80211_hw_mode *mode = NULL;
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int c = 0;
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data->length = sizeof(struct iw_range);
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memset(range, 0, sizeof(struct iw_range));
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range->we_version_compiled = WIRELESS_EXT;
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range->we_version_source = 21;
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range->retry_capa = IW_RETRY_LIMIT;
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range->retry_flags = IW_RETRY_LIMIT;
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range->min_retry = 0;
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range->max_retry = 255;
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range->min_rts = 0;
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range->max_rts = 2347;
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range->min_frag = 256;
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range->max_frag = 2346;
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range->encoding_size[0] = 5;
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range->encoding_size[1] = 13;
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range->num_encoding_sizes = 2;
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range->max_encoding_tokens = NUM_DEFAULT_KEYS;
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range->max_qual.qual = local->hw.max_signal;
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range->max_qual.level = local->hw.max_rssi;
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range->max_qual.noise = local->hw.max_noise;
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range->max_qual.updated = local->wstats_flags;
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range->avg_qual.qual = local->hw.max_signal/2;
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range->avg_qual.level = 0;
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range->avg_qual.noise = 0;
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range->avg_qual.updated = local->wstats_flags;
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range->enc_capa = IW_ENC_CAPA_WPA | IW_ENC_CAPA_WPA2 |
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IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
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list_for_each_entry(mode, &local->modes_list, list) {
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int i = 0;
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if (!(local->enabled_modes & (1 << mode->mode)) ||
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(local->hw_modes & local->enabled_modes &
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(1 << MODE_IEEE80211G) && mode->mode == MODE_IEEE80211B))
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continue;
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while (i < mode->num_channels && c < IW_MAX_FREQUENCIES) {
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struct ieee80211_channel *chan = &mode->channels[i];
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if (chan->flag & IEEE80211_CHAN_W_SCAN) {
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range->freq[c].i = chan->chan;
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range->freq[c].m = chan->freq * 100000;
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range->freq[c].e = 1;
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c++;
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}
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i++;
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}
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}
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range->num_channels = c;
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range->num_frequency = c;
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IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
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IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY);
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IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
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IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
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return 0;
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}
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static int ieee80211_ioctl_siwmode(struct net_device *dev,
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struct iw_request_info *info,
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__u32 *mode, 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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int type;
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if (sdata->type == IEEE80211_IF_TYPE_VLAN)
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return -EOPNOTSUPP;
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switch (*mode) {
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case IW_MODE_INFRA:
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type = IEEE80211_IF_TYPE_STA;
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break;
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case IW_MODE_ADHOC:
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type = IEEE80211_IF_TYPE_IBSS;
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break;
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case IW_MODE_MONITOR:
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type = IEEE80211_IF_TYPE_MNTR;
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break;
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default:
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return -EINVAL;
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}
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if (type == sdata->type)
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return 0;
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if (netif_running(dev))
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return -EBUSY;
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ieee80211_if_reinit(dev);
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ieee80211_if_set_type(dev, type);
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return 0;
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}
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static int ieee80211_ioctl_giwmode(struct net_device *dev,
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struct iw_request_info *info,
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__u32 *mode, char *extra)
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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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switch (sdata->type) {
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case IEEE80211_IF_TYPE_AP:
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*mode = IW_MODE_MASTER;
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break;
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case IEEE80211_IF_TYPE_STA:
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*mode = IW_MODE_INFRA;
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break;
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case IEEE80211_IF_TYPE_IBSS:
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*mode = IW_MODE_ADHOC;
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break;
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case IEEE80211_IF_TYPE_MNTR:
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*mode = IW_MODE_MONITOR;
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break;
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case IEEE80211_IF_TYPE_WDS:
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*mode = IW_MODE_REPEAT;
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break;
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case IEEE80211_IF_TYPE_VLAN:
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*mode = IW_MODE_SECOND; /* FIXME */
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break;
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default:
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*mode = IW_MODE_AUTO;
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break;
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}
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return 0;
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}
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int ieee80211_set_channel(struct ieee80211_local *local, int channel, int freq)
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{
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struct ieee80211_hw_mode *mode;
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int c, set = 0;
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int ret = -EINVAL;
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list_for_each_entry(mode, &local->modes_list, list) {
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if (!(local->enabled_modes & (1 << mode->mode)))
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continue;
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for (c = 0; c < mode->num_channels; c++) {
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struct ieee80211_channel *chan = &mode->channels[c];
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if (chan->flag & IEEE80211_CHAN_W_SCAN &&
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((chan->chan == channel) || (chan->freq == freq))) {
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local->oper_channel = chan;
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local->oper_hw_mode = mode;
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set = 1;
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break;
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}
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}
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if (set)
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break;
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}
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if (set) {
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if (local->sta_sw_scanning)
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ret = 0;
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else
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ret = ieee80211_hw_config(local);
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rate_control_clear(local);
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}
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return ret;
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}
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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_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->type == IEEE80211_IF_TYPE_STA)
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sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL;
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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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if (sdata->type == IEEE80211_IF_TYPE_STA)
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sdata->u.sta.flags |=
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IEEE80211_STA_AUTO_CHANNEL_SEL;
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return 0;
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} else
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return ieee80211_set_channel(local, freq->m, -1);
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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 ieee80211_set_channel(local, -1, freq->m / div);
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else
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return -EINVAL;
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}
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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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/* TODO: in station mode (Managed/Ad-hoc) might need to poll low-level
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* driver for the current channel with firmware-based management */
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freq->m = local->hw.conf.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;
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size_t len = data->length;
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/* iwconfig uses nul termination in SSID.. */
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if (len > 0 && ssid[len - 1] == '\0')
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len--;
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sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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if (sdata->type == IEEE80211_IF_TYPE_STA ||
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sdata->type == IEEE80211_IF_TYPE_IBSS) {
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int ret;
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if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
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if (len > IEEE80211_MAX_SSID_LEN)
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return -EINVAL;
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memcpy(sdata->u.sta.ssid, ssid, len);
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sdata->u.sta.ssid_len = len;
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return 0;
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}
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if (data->flags)
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sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
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else
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sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL;
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ret = ieee80211_sta_set_ssid(dev, ssid, len);
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if (ret)
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return ret;
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ieee80211_sta_req_auth(dev, &sdata->u.sta);
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return 0;
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}
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if (sdata->type == IEEE80211_IF_TYPE_AP) {
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memcpy(sdata->u.ap.ssid, ssid, len);
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memset(sdata->u.ap.ssid + len, 0,
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IEEE80211_MAX_SSID_LEN - len);
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sdata->u.ap.ssid_len = len;
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return ieee80211_if_config(dev);
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}
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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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size_t len;
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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->type == IEEE80211_IF_TYPE_STA ||
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sdata->type == IEEE80211_IF_TYPE_IBSS) {
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int res = ieee80211_sta_get_ssid(dev, ssid, &len);
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if (res == 0) {
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data->length = len;
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data->flags = 1;
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} else
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data->flags = 0;
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return res;
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}
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if (sdata->type == IEEE80211_IF_TYPE_AP) {
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len = sdata->u.ap.ssid_len;
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if (len > IW_ESSID_MAX_SIZE)
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len = IW_ESSID_MAX_SIZE;
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memcpy(ssid, sdata->u.ap.ssid, len);
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data->length = len;
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data->flags = 1;
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return 0;
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}
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return -EOPNOTSUPP;
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}
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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;
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sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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if (sdata->type == IEEE80211_IF_TYPE_STA ||
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sdata->type == IEEE80211_IF_TYPE_IBSS) {
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int ret;
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if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) {
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memcpy(sdata->u.sta.bssid, (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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if (is_zero_ether_addr((u8 *) &ap_addr->sa_data))
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sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL |
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IEEE80211_STA_AUTO_CHANNEL_SEL;
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else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data))
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sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL;
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else
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sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
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ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data);
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if (ret)
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return ret;
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ieee80211_sta_req_auth(dev, &sdata->u.sta);
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return 0;
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} else if (sdata->type == IEEE80211_IF_TYPE_WDS) {
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if (memcmp(sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data,
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ETH_ALEN) == 0)
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return 0;
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return ieee80211_if_update_wds(dev, (u8 *) &ap_addr->sa_data);
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}
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|
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return -EOPNOTSUPP;
|
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}
|
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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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struct ieee80211_sub_if_data *sdata;
|
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|
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sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
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if (sdata->type == IEEE80211_IF_TYPE_STA ||
|
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sdata->type == IEEE80211_IF_TYPE_IBSS) {
|
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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,
|
|
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->type != IEEE80211_IF_TYPE_STA &&
|
|
sdata->type != IEEE80211_IF_TYPE_IBSS &&
|
|
sdata->type != IEEE80211_IF_TYPE_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_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_sw_scanning || local->sta_hw_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_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);
|
|
struct ieee80211_hw_mode *mode;
|
|
int i;
|
|
u32 target_rate = rate->value / 100000;
|
|
struct ieee80211_sub_if_data *sdata;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
if (!sdata->bss)
|
|
return -ENODEV;
|
|
mode = local->oper_hw_mode;
|
|
/* 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->bss->max_ratectrl_rateidx = -1;
|
|
sdata->bss->force_unicast_rateidx = -1;
|
|
if (rate->value < 0)
|
|
return 0;
|
|
for (i=0; i < mode->num_rates; i++) {
|
|
struct ieee80211_rate *rates = &mode->rates[i];
|
|
int this_rate = rates->rate;
|
|
|
|
if (target_rate == this_rate) {
|
|
sdata->bss->max_ratectrl_rateidx = i;
|
|
if (rate->fixed)
|
|
sdata->bss->force_unicast_rateidx = i;
|
|
return 0;
|
|
}
|
|
}
|
|
return -EINVAL;
|
|
}
|
|
|
|
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;
|
|
|
|
sdata = IEEE80211_DEV_TO_SUB_IF(dev);
|
|
if (sdata->type == IEEE80211_IF_TYPE_STA)
|
|
sta = sta_info_get(local, sdata->u.sta.bssid);
|
|
else
|
|
return -EOPNOTSUPP;
|
|
if (!sta)
|
|
return -ENODEV;
|
|
if (sta->txrate < local->oper_hw_mode->num_rates)
|
|
rate->value = local->oper_hw_mode->rates[sta->txrate].rate * 100000;
|
|
else
|
|
rate->value = 0;
|
|
sta_info_put(sta);
|
|
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);
|
|
bool need_reconfig = 0;
|
|
u8 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 (data->txpower.fixed) {
|
|
new_power_level = data->txpower.value;
|
|
} else {
|
|
/* Automatic power level. Get the px power from the current
|
|
* channel. */
|
|
struct ieee80211_channel* chan = local->oper_channel;
|
|
if (!chan)
|
|
return -EINVAL;
|
|
|
|
new_power_level = chan->power_level;
|
|
}
|
|
|
|
if (local->hw.conf.power_level != new_power_level) {
|
|
local->hw.conf.power_level = new_power_level;
|
|
need_reconfig = 1;
|
|
}
|
|
|
|
if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) {
|
|
local->hw.conf.radio_enabled = !(data->txpower.disabled);
|
|
need_reconfig = 1;
|
|
}
|
|
|
|
if (need_reconfig) {
|
|
ieee80211_hw_config(local);
|
|
/* The return value of hw_config is not of big interest here,
|
|
* as it doesn't say that it failed because of _this_ config
|
|
* change or something else. Ignore it. */
|
|
}
|
|
|
|
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->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_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 };
|
|
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(
|
|
dev, 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;
|
|
|
|
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->type != IEEE80211_IF_TYPE_STA)
|
|
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->type == IEEE80211_IF_TYPE_STA ||
|
|
sdata->type == IEEE80211_IF_TYPE_IBSS)
|
|
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;
|
|
|
|
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 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(dev, 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) 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) 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) 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 -- */
|
|
};
|
|
|
|
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,
|
|
};
|