| /* |
| * 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 "ieee80211_led.h" |
| #include "ieee80211_rate.h" |
| #include "wpa.h" |
| #include "aes_ccm.h" |
| |
| |
| static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr, |
| int idx, int alg, int remove, |
| int set_tx_key, const u8 *_key, |
| size_t key_len) |
| { |
| struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| struct sta_info *sta; |
| struct ieee80211_key *key; |
| struct ieee80211_sub_if_data *sdata; |
| |
| sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| |
| if (idx < 0 || idx >= NUM_DEFAULT_KEYS) { |
| printk(KERN_DEBUG "%s: set_encrypt - invalid idx=%d\n", |
| dev->name, idx); |
| return -EINVAL; |
| } |
| |
| if (remove) { |
| if (is_broadcast_ether_addr(sta_addr)) { |
| key = sdata->keys[idx]; |
| } else { |
| sta = sta_info_get(local, sta_addr); |
| if (!sta) |
| return -ENOENT; |
| key = sta->key; |
| } |
| |
| if (!key) |
| return -ENOENT; |
| |
| ieee80211_key_free(key); |
| return 0; |
| } else { |
| key = ieee80211_key_alloc(alg, idx, key_len, _key); |
| if (!key) |
| return -ENOMEM; |
| |
| sta = NULL; |
| |
| if (!is_broadcast_ether_addr(sta_addr)) { |
| set_tx_key = 0; |
| /* |
| * According to the standard, the key index of a |
| * pairwise key must be zero. However, some AP are |
| * broken when it comes to WEP key indices, so we |
| * work around this. |
| */ |
| if (idx != 0 && alg != ALG_WEP) { |
| ieee80211_key_free(key); |
| return -EINVAL; |
| } |
| |
| sta = sta_info_get(local, sta_addr); |
| if (!sta) { |
| ieee80211_key_free(key); |
| return -ENOENT; |
| } |
| } |
| |
| ieee80211_key_link(key, sdata, sta); |
| |
| if (set_tx_key || (!sta && !sdata->default_key && key)) |
| ieee80211_set_default_key(sdata, idx); |
| } |
| |
| return 0; |
| } |
| |
| static int ieee80211_ioctl_siwgenie(struct net_device *dev, |
| struct iw_request_info *info, |
| struct iw_point *data, char *extra) |
| { |
| struct ieee80211_sub_if_data *sdata; |
| |
| sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| |
| if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) |
| return -EOPNOTSUPP; |
| |
| if (sdata->vif.type == IEEE80211_IF_TYPE_STA || |
| sdata->vif.type == IEEE80211_IF_TYPE_IBSS) { |
| int ret = ieee80211_sta_set_extra_ie(dev, extra, data->length); |
| if (ret) |
| return ret; |
| sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL; |
| ieee80211_sta_req_auth(dev, &sdata->u.sta); |
| return 0; |
| } |
| |
| return -EOPNOTSUPP; |
| } |
| |
| static int ieee80211_ioctl_giwname(struct net_device *dev, |
| struct iw_request_info *info, |
| char *name, char *extra) |
| { |
| strcpy(name, "IEEE 802.11"); |
| |
| 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; |
| enum ieee80211_band band; |
| int c = 0; |
| |
| data->length = sizeof(struct iw_range); |
| memset(range, 0, sizeof(struct iw_range)); |
| |
| range->we_version_compiled = WIRELESS_EXT; |
| range->we_version_source = 21; |
| range->retry_capa = IW_RETRY_LIMIT; |
| range->retry_flags = IW_RETRY_LIMIT; |
| range->min_retry = 0; |
| range->max_retry = 255; |
| range->min_rts = 0; |
| range->max_rts = 2347; |
| range->min_frag = 256; |
| range->max_frag = 2346; |
| |
| range->encoding_size[0] = 5; |
| range->encoding_size[1] = 13; |
| range->num_encoding_sizes = 2; |
| range->max_encoding_tokens = NUM_DEFAULT_KEYS; |
| |
| 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; |
| |
| |
| for (band = 0; band < IEEE80211_NUM_BANDS; band ++) { |
| int i; |
| struct ieee80211_supported_band *sband; |
| |
| sband = local->hw.wiphy->bands[band]; |
| |
| if (!sband) |
| continue; |
| |
| for (i = 0; i < sband->n_channels && c < IW_MAX_FREQUENCIES; i++) { |
| struct ieee80211_channel *chan = &sband->channels[i]; |
| |
| if (!(chan->flags & IEEE80211_CHAN_DISABLED)) { |
| range->freq[c].i = |
| ieee80211_frequency_to_channel( |
| chan->center_freq); |
| range->freq[c].m = chan->center_freq; |
| range->freq[c].e = 6; |
| c++; |
| } |
| } |
| } |
| range->num_channels = c; |
| range->num_frequency = c; |
| |
| IW_EVENT_CAPA_SET_KERNEL(range->event_capa); |
| IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY); |
| IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP); |
| IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); |
| |
| range->scan_capa |= IW_SCAN_CAPA_ESSID; |
| |
| return 0; |
| } |
| |
| |
| static int ieee80211_ioctl_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->vif.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->vif.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->vif.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_freq(struct ieee80211_local *local, int freqMHz) |
| { |
| int ret = -EINVAL; |
| struct ieee80211_channel *chan; |
| |
| chan = ieee80211_get_channel(local->hw.wiphy, freqMHz); |
| |
| if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) { |
| local->oper_channel = chan; |
| |
| if (local->sta_sw_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->vif.type == IEEE80211_IF_TYPE_STA) |
| sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_CHANNEL_SEL; |
| |
| /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */ |
| if (freq->e == 0) { |
| if (freq->m < 0) { |
| if (sdata->vif.type == IEEE80211_IF_TYPE_STA) |
| sdata->u.sta.flags |= |
| IEEE80211_STA_AUTO_CHANNEL_SEL; |
| return 0; |
| } else |
| return ieee80211_set_freq(local, |
| ieee80211_channel_to_frequency(freq->m)); |
| } else { |
| int i, div = 1000000; |
| for (i = 0; i < freq->e; i++) |
| div /= 10; |
| if (div > 0) |
| return ieee80211_set_freq(local, freq->m / div); |
| else |
| return -EINVAL; |
| } |
| } |
| |
| |
| static int ieee80211_ioctl_giwfreq(struct net_device *dev, |
| struct iw_request_info *info, |
| struct iw_freq *freq, char *extra) |
| { |
| struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| |
| freq->m = local->hw.conf.channel->center_freq; |
| freq->e = 6; |
| |
| return 0; |
| } |
| |
| |
| static int ieee80211_ioctl_siwessid(struct net_device *dev, |
| struct iw_request_info *info, |
| struct iw_point *data, char *ssid) |
| { |
| struct ieee80211_sub_if_data *sdata; |
| size_t len = data->length; |
| |
| /* iwconfig uses nul termination in SSID.. */ |
| if (len > 0 && ssid[len - 1] == '\0') |
| len--; |
| |
| sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| if (sdata->vif.type == IEEE80211_IF_TYPE_STA || |
| sdata->vif.type == IEEE80211_IF_TYPE_IBSS) { |
| int ret; |
| if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) { |
| if (len > IEEE80211_MAX_SSID_LEN) |
| return -EINVAL; |
| memcpy(sdata->u.sta.ssid, ssid, len); |
| sdata->u.sta.ssid_len = len; |
| return 0; |
| } |
| if (data->flags) |
| sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_SSID_SEL; |
| else |
| sdata->u.sta.flags |= IEEE80211_STA_AUTO_SSID_SEL; |
| ret = ieee80211_sta_set_ssid(dev, ssid, len); |
| if (ret) |
| return ret; |
| ieee80211_sta_req_auth(dev, &sdata->u.sta); |
| return 0; |
| } |
| |
| if (sdata->vif.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->vif.type == IEEE80211_IF_TYPE_STA || |
| sdata->vif.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->vif.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_sub_if_data *sdata; |
| |
| sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| if (sdata->vif.type == IEEE80211_IF_TYPE_STA || |
| sdata->vif.type == IEEE80211_IF_TYPE_IBSS) { |
| int ret; |
| if (sdata->flags & IEEE80211_SDATA_USERSPACE_MLME) { |
| memcpy(sdata->u.sta.bssid, (u8 *) &ap_addr->sa_data, |
| ETH_ALEN); |
| return 0; |
| } |
| if (is_zero_ether_addr((u8 *) &ap_addr->sa_data)) |
| sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL | |
| IEEE80211_STA_AUTO_CHANNEL_SEL; |
| else if (is_broadcast_ether_addr((u8 *) &ap_addr->sa_data)) |
| sdata->u.sta.flags |= IEEE80211_STA_AUTO_BSSID_SEL; |
| else |
| sdata->u.sta.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL; |
| ret = ieee80211_sta_set_bssid(dev, (u8 *) &ap_addr->sa_data); |
| if (ret) |
| return ret; |
| ieee80211_sta_req_auth(dev, &sdata->u.sta); |
| return 0; |
| } else if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) { |
| /* |
| * If it is necessary to update the WDS peer address |
| * while the interface is running, then we need to do |
| * more work here, namely if it is running we need to |
| * add a new and remove the old STA entry, this is |
| * normally handled by _open() and _stop(). |
| */ |
| if (netif_running(dev)) |
| return -EBUSY; |
| |
| memcpy(&sdata->u.wds.remote_addr, (u8 *) &ap_addr->sa_data, |
| ETH_ALEN); |
| |
| return 0; |
| } |
| |
| return -EOPNOTSUPP; |
| } |
| |
| |
| static int ieee80211_ioctl_giwap(struct net_device *dev, |
| struct iw_request_info *info, |
| struct sockaddr *ap_addr, char *extra) |
| { |
| struct ieee80211_sub_if_data *sdata; |
| |
| sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| if (sdata->vif.type == IEEE80211_IF_TYPE_STA || |
| sdata->vif.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->vif.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->vif.type != IEEE80211_IF_TYPE_STA && |
| sdata->vif.type != IEEE80211_IF_TYPE_IBSS && |
| sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT && |
| sdata->vif.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); |
| int i, err = -EINVAL; |
| u32 target_rate = rate->value / 100000; |
| struct ieee80211_sub_if_data *sdata; |
| struct ieee80211_supported_band *sband; |
| |
| sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| if (!sdata->bss) |
| return -ENODEV; |
| |
| sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; |
| |
| /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates |
| * target_rate = X, rate->fixed = 1 means only rate X |
| * target_rate = X, rate->fixed = 0 means all rates <= X */ |
| sdata->bss->max_ratectrl_rateidx = -1; |
| sdata->bss->force_unicast_rateidx = -1; |
| if (rate->value < 0) |
| return 0; |
| |
| for (i=0; i< sband->n_bitrates; i++) { |
| struct ieee80211_rate *brate = &sband->bitrates[i]; |
| int this_rate = brate->bitrate; |
| |
| if (target_rate == this_rate) { |
| sdata->bss->max_ratectrl_rateidx = i; |
| if (rate->fixed) |
| sdata->bss->force_unicast_rateidx = i; |
| err = 0; |
| break; |
| } |
| } |
| return err; |
| } |
| |
| static int ieee80211_ioctl_giwrate(struct net_device *dev, |
| struct iw_request_info *info, |
| struct iw_param *rate, char *extra) |
| { |
| struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| struct sta_info *sta; |
| struct ieee80211_sub_if_data *sdata; |
| struct ieee80211_supported_band *sband; |
| |
| sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| |
| if (sdata->vif.type == IEEE80211_IF_TYPE_STA) |
| sta = sta_info_get(local, sdata->u.sta.bssid); |
| else |
| return -EOPNOTSUPP; |
| if (!sta) |
| return -ENODEV; |
| |
| sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; |
| |
| if (sta->txrate_idx < sband->n_bitrates) |
| rate->value = sband->bitrates[sta->txrate_idx].bitrate; |
| else |
| rate->value = 0; |
| rate->value *= 100000; |
| |
| return 0; |
| } |
| |
| static int ieee80211_ioctl_siwtxpower(struct net_device *dev, |
| struct iw_request_info *info, |
| union iwreq_data *data, char *extra) |
| { |
| struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); |
| bool need_reconfig = 0; |
| int new_power_level; |
| |
| if ((data->txpower.flags & IW_TXPOW_TYPE) != IW_TXPOW_DBM) |
| return -EINVAL; |
| if (data->txpower.flags & IW_TXPOW_RANGE) |
| return -EINVAL; |
| |
| if (data->txpower.fixed) { |
| new_power_level = data->txpower.value; |
| } else { |
| /* |
| * Automatic power level. Use maximum power for the current |
| * channel. Should be part of rate control. |
| */ |
| struct ieee80211_channel* chan = local->hw.conf.channel; |
| if (!chan) |
| return -EINVAL; |
| |
| new_power_level = chan->max_power; |
| } |
| |
| 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; |
| ieee80211_led_radio(local, local->hw.conf.radio_enabled); |
| } |
| |
| 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->vif.type != IEEE80211_IF_TYPE_STA && |
| sdata->vif.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->vif.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->vif.type == IEEE80211_IF_TYPE_STA || |
| sdata->vif.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->vif.type == IEEE80211_IF_TYPE_STA || |
| sdata->vif.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; |
| } |
| return wstats; |
| } |
| |
| static int ieee80211_ioctl_giwauth(struct net_device *dev, |
| struct iw_request_info *info, |
| struct iw_param *data, char *extra) |
| { |
| struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
| int ret = 0; |
| |
| switch (data->flags & IW_AUTH_INDEX) { |
| case IW_AUTH_80211_AUTH_ALG: |
| if (sdata->vif.type == IEEE80211_IF_TYPE_STA || |
| sdata->vif.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, |
| }; |