diff options
Diffstat (limited to 'net/ieee80211/ieee80211_wx.c')
| -rw-r--r-- | net/ieee80211/ieee80211_wx.c | 760 |
1 files changed, 0 insertions, 760 deletions
diff --git a/net/ieee80211/ieee80211_wx.c b/net/ieee80211/ieee80211_wx.c deleted file mode 100644 index 973832d..0000000 --- a/net/ieee80211/ieee80211_wx.c +++ /dev/null @@ -1,760 +0,0 @@ -/****************************************************************************** - - Copyright(c) 2004-2005 Intel Corporation. All rights reserved. - - Portions of this file are based on the WEP enablement code provided by the - Host AP project hostap-drivers v0.1.3 - Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen - <j@w1.fi> - Copyright (c) 2002-2003, Jouni Malinen <j@w1.fi> - - This program is free software; you can redistribute it and/or modify it - under the terms of version 2 of the GNU General Public License as - published by the Free Software Foundation. - - This program is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - more details. - - You should have received a copy of the GNU General Public License along with - this program; if not, write to the Free Software Foundation, Inc., 59 - Temple Place - Suite 330, Boston, MA 02111-1307, USA. - - The full GNU General Public License is included in this distribution in the - file called LICENSE. - - Contact Information: - James P. Ketrenos <ipw2100-admin@linux.intel.com> - Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - -******************************************************************************/ - -#include <linux/kmod.h> -#include <linux/module.h> -#include <linux/jiffies.h> - -#include <net/ieee80211.h> -#include <linux/wireless.h> - -static const char *ieee80211_modes[] = { - "?", "a", "b", "ab", "g", "ag", "bg", "abg" -}; - -#define MAX_CUSTOM_LEN 64 -static char *ieee80211_translate_scan(struct ieee80211_device *ieee, - char *start, char *stop, - struct ieee80211_network *network, - struct iw_request_info *info) -{ - char custom[MAX_CUSTOM_LEN]; - char *p; - struct iw_event iwe; - int i, j; - char *current_val; /* For rates */ - u8 rate; - - /* First entry *MUST* be the AP MAC address */ - iwe.cmd = SIOCGIWAP; - iwe.u.ap_addr.sa_family = ARPHRD_ETHER; - memcpy(iwe.u.ap_addr.sa_data, network->bssid, ETH_ALEN); - start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_ADDR_LEN); - - /* Remaining entries will be displayed in the order we provide them */ - - /* Add the ESSID */ - iwe.cmd = SIOCGIWESSID; - iwe.u.data.flags = 1; - if (network->flags & NETWORK_EMPTY_ESSID) { - iwe.u.data.length = sizeof("<hidden>"); - start = iwe_stream_add_point(info, start, stop, - &iwe, "<hidden>"); - } else { - iwe.u.data.length = min(network->ssid_len, (u8) 32); - start = iwe_stream_add_point(info, start, stop, - &iwe, network->ssid); - } - - /* Add the protocol name */ - iwe.cmd = SIOCGIWNAME; - snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11%s", - ieee80211_modes[network->mode]); - start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_CHAR_LEN); - - /* Add mode */ - iwe.cmd = SIOCGIWMODE; - if (network->capability & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) { - if (network->capability & WLAN_CAPABILITY_ESS) - iwe.u.mode = IW_MODE_MASTER; - else - iwe.u.mode = IW_MODE_ADHOC; - - start = iwe_stream_add_event(info, start, stop, - &iwe, IW_EV_UINT_LEN); - } - - /* Add channel and frequency */ - /* Note : userspace automatically computes channel using iwrange */ - iwe.cmd = SIOCGIWFREQ; - iwe.u.freq.m = ieee80211_channel_to_freq(ieee, network->channel); - iwe.u.freq.e = 6; - iwe.u.freq.i = 0; - start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_FREQ_LEN); - - /* Add encryption capability */ - iwe.cmd = SIOCGIWENCODE; - if (network->capability & WLAN_CAPABILITY_PRIVACY) - iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; - else - iwe.u.data.flags = IW_ENCODE_DISABLED; - iwe.u.data.length = 0; - start = iwe_stream_add_point(info, start, stop, - &iwe, network->ssid); - - /* Add basic and extended rates */ - /* Rate : stuffing multiple values in a single event require a bit - * more of magic - Jean II */ - current_val = start + iwe_stream_lcp_len(info); - iwe.cmd = SIOCGIWRATE; - /* Those two flags are ignored... */ - iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; - - for (i = 0, j = 0; i < network->rates_len;) { - if (j < network->rates_ex_len && - ((network->rates_ex[j] & 0x7F) < - (network->rates[i] & 0x7F))) - rate = network->rates_ex[j++] & 0x7F; - else - rate = network->rates[i++] & 0x7F; - /* Bit rate given in 500 kb/s units (+ 0x80) */ - iwe.u.bitrate.value = ((rate & 0x7f) * 500000); - /* Add new value to event */ - current_val = iwe_stream_add_value(info, start, current_val, - stop, &iwe, IW_EV_PARAM_LEN); - } - for (; j < network->rates_ex_len; j++) { - rate = network->rates_ex[j] & 0x7F; - /* Bit rate given in 500 kb/s units (+ 0x80) */ - iwe.u.bitrate.value = ((rate & 0x7f) * 500000); - /* Add new value to event */ - current_val = iwe_stream_add_value(info, start, current_val, - stop, &iwe, IW_EV_PARAM_LEN); - } - /* Check if we added any rate */ - if ((current_val - start) > iwe_stream_lcp_len(info)) - start = current_val; - - /* Add quality statistics */ - iwe.cmd = IWEVQUAL; - iwe.u.qual.updated = IW_QUAL_QUAL_UPDATED | IW_QUAL_LEVEL_UPDATED | - IW_QUAL_NOISE_UPDATED; - - if (!(network->stats.mask & IEEE80211_STATMASK_RSSI)) { - iwe.u.qual.updated |= IW_QUAL_QUAL_INVALID | - IW_QUAL_LEVEL_INVALID; - iwe.u.qual.qual = 0; - } else { - if (ieee->perfect_rssi == ieee->worst_rssi) - iwe.u.qual.qual = 100; - else - iwe.u.qual.qual = - (100 * - (ieee->perfect_rssi - ieee->worst_rssi) * - (ieee->perfect_rssi - ieee->worst_rssi) - - (ieee->perfect_rssi - network->stats.rssi) * - (15 * (ieee->perfect_rssi - ieee->worst_rssi) + - 62 * (ieee->perfect_rssi - - network->stats.rssi))) / - ((ieee->perfect_rssi - - ieee->worst_rssi) * (ieee->perfect_rssi - - ieee->worst_rssi)); - if (iwe.u.qual.qual > 100) - iwe.u.qual.qual = 100; - else if (iwe.u.qual.qual < 1) - iwe.u.qual.qual = 0; - } - - if (!(network->stats.mask & IEEE80211_STATMASK_NOISE)) { - iwe.u.qual.updated |= IW_QUAL_NOISE_INVALID; - iwe.u.qual.noise = 0; - } else { - iwe.u.qual.noise = network->stats.noise; - } - - if (!(network->stats.mask & IEEE80211_STATMASK_SIGNAL)) { - iwe.u.qual.updated |= IW_QUAL_LEVEL_INVALID; - iwe.u.qual.level = 0; - } else { - iwe.u.qual.level = network->stats.signal; - } - - start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_QUAL_LEN); - - iwe.cmd = IWEVCUSTOM; - p = custom; - - iwe.u.data.length = p - custom; - if (iwe.u.data.length) - start = iwe_stream_add_point(info, start, stop, &iwe, custom); - - memset(&iwe, 0, sizeof(iwe)); - if (network->wpa_ie_len) { - char buf[MAX_WPA_IE_LEN]; - memcpy(buf, network->wpa_ie, network->wpa_ie_len); - iwe.cmd = IWEVGENIE; - iwe.u.data.length = network->wpa_ie_len; - start = iwe_stream_add_point(info, start, stop, &iwe, buf); - } - - memset(&iwe, 0, sizeof(iwe)); - if (network->rsn_ie_len) { - char buf[MAX_WPA_IE_LEN]; - memcpy(buf, network->rsn_ie, network->rsn_ie_len); - iwe.cmd = IWEVGENIE; - iwe.u.data.length = network->rsn_ie_len; - start = iwe_stream_add_point(info, start, stop, &iwe, buf); - } - - /* Add EXTRA: Age to display seconds since last beacon/probe response - * for given network. */ - iwe.cmd = IWEVCUSTOM; - p = custom; - p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), - " Last beacon: %dms ago", - jiffies_to_msecs(jiffies - network->last_scanned)); - iwe.u.data.length = p - custom; - if (iwe.u.data.length) - start = iwe_stream_add_point(info, start, stop, &iwe, custom); - - /* Add spectrum management information */ - iwe.cmd = -1; - p = custom; - p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), " Channel flags: "); - - if (ieee80211_get_channel_flags(ieee, network->channel) & - IEEE80211_CH_INVALID) { - iwe.cmd = IWEVCUSTOM; - p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), "INVALID "); - } - - if (ieee80211_get_channel_flags(ieee, network->channel) & - IEEE80211_CH_RADAR_DETECT) { - iwe.cmd = IWEVCUSTOM; - p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), "DFS "); - } - - if (iwe.cmd == IWEVCUSTOM) { - iwe.u.data.length = p - custom; - start = iwe_stream_add_point(info, start, stop, &iwe, custom); - } - - return start; -} - -#define SCAN_ITEM_SIZE 128 - -int ieee80211_wx_get_scan(struct ieee80211_device *ieee, - struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - struct ieee80211_network *network; - unsigned long flags; - int err = 0; - - char *ev = extra; - char *stop = ev + wrqu->data.length; - int i = 0; - DECLARE_MAC_BUF(mac); - - IEEE80211_DEBUG_WX("Getting scan\n"); - - spin_lock_irqsave(&ieee->lock, flags); - - list_for_each_entry(network, &ieee->network_list, list) { - i++; - if (stop - ev < SCAN_ITEM_SIZE) { - err = -E2BIG; - break; - } - - if (ieee->scan_age == 0 || - time_after(network->last_scanned + ieee->scan_age, jiffies)) - ev = ieee80211_translate_scan(ieee, ev, stop, network, - info); - else - IEEE80211_DEBUG_SCAN("Not showing network '%s (" - "%s)' due to age (%dms).\n", - escape_essid(network->ssid, - network->ssid_len), - print_mac(mac, network->bssid), - jiffies_to_msecs(jiffies - - network-> - last_scanned)); - } - - spin_unlock_irqrestore(&ieee->lock, flags); - - wrqu->data.length = ev - extra; - wrqu->data.flags = 0; - - IEEE80211_DEBUG_WX("exit: %d networks returned.\n", i); - - return err; -} - -int ieee80211_wx_set_encode(struct ieee80211_device *ieee, - struct iw_request_info *info, - union iwreq_data *wrqu, char *keybuf) -{ - struct iw_point *erq = &(wrqu->encoding); - struct net_device *dev = ieee->dev; - struct ieee80211_security sec = { - .flags = 0 - }; - int i, key, key_provided, len; - struct ieee80211_crypt_data **crypt; - int host_crypto = ieee->host_encrypt || ieee->host_decrypt || ieee->host_build_iv; - - IEEE80211_DEBUG_WX("SET_ENCODE\n"); - - key = erq->flags & IW_ENCODE_INDEX; - if (key) { - if (key > WEP_KEYS) - return -EINVAL; - key--; - key_provided = 1; - } else { - key_provided = 0; - key = ieee->tx_keyidx; - } - - IEEE80211_DEBUG_WX("Key: %d [%s]\n", key, key_provided ? - "provided" : "default"); - - crypt = &ieee->crypt[key]; - - if (erq->flags & IW_ENCODE_DISABLED) { - if (key_provided && *crypt) { - IEEE80211_DEBUG_WX("Disabling encryption on key %d.\n", - key); - ieee80211_crypt_delayed_deinit(ieee, crypt); - } else - IEEE80211_DEBUG_WX("Disabling encryption.\n"); - - /* Check all the keys to see if any are still configured, - * and if no key index was provided, de-init them all */ - for (i = 0; i < WEP_KEYS; i++) { - if (ieee->crypt[i] != NULL) { - if (key_provided) - break; - ieee80211_crypt_delayed_deinit(ieee, - &ieee->crypt[i]); - } - } - - if (i == WEP_KEYS) { - sec.enabled = 0; - sec.encrypt = 0; - sec.level = SEC_LEVEL_0; - sec.flags |= SEC_ENABLED | SEC_LEVEL | SEC_ENCRYPT; - } - - goto done; - } - - sec.enabled = 1; - sec.encrypt = 1; - sec.flags |= SEC_ENABLED | SEC_ENCRYPT; - - if (*crypt != NULL && (*crypt)->ops != NULL && - strcmp((*crypt)->ops->name, "WEP") != 0) { - /* changing to use WEP; deinit previously used algorithm - * on this key */ - ieee80211_crypt_delayed_deinit(ieee, crypt); - } - - if (*crypt == NULL && host_crypto) { - struct ieee80211_crypt_data *new_crypt; - - /* take WEP into use */ - new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data), - GFP_KERNEL); - if (new_crypt == NULL) - return -ENOMEM; - new_crypt->ops = ieee80211_get_crypto_ops("WEP"); - if (!new_crypt->ops) { - request_module("ieee80211_crypt_wep"); - new_crypt->ops = ieee80211_get_crypto_ops("WEP"); - } - - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) - new_crypt->priv = new_crypt->ops->init(key); - - if (!new_crypt->ops || !new_crypt->priv) { - kfree(new_crypt); - new_crypt = NULL; - - printk(KERN_WARNING "%s: could not initialize WEP: " - "load module ieee80211_crypt_wep\n", dev->name); - return -EOPNOTSUPP; - } - *crypt = new_crypt; - } - - /* If a new key was provided, set it up */ - if (erq->length > 0) { - len = erq->length <= 5 ? 5 : 13; - memcpy(sec.keys[key], keybuf, erq->length); - if (len > erq->length) - memset(sec.keys[key] + erq->length, 0, - len - erq->length); - IEEE80211_DEBUG_WX("Setting key %d to '%s' (%d:%d bytes)\n", - key, escape_essid(sec.keys[key], len), - erq->length, len); - sec.key_sizes[key] = len; - if (*crypt) - (*crypt)->ops->set_key(sec.keys[key], len, NULL, - (*crypt)->priv); - sec.flags |= (1 << key); - /* This ensures a key will be activated if no key is - * explicitly set */ - if (key == sec.active_key) - sec.flags |= SEC_ACTIVE_KEY; - - } else { - if (host_crypto) { - len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN, - NULL, (*crypt)->priv); - if (len == 0) { - /* Set a default key of all 0 */ - IEEE80211_DEBUG_WX("Setting key %d to all " - "zero.\n", key); - memset(sec.keys[key], 0, 13); - (*crypt)->ops->set_key(sec.keys[key], 13, NULL, - (*crypt)->priv); - sec.key_sizes[key] = 13; - sec.flags |= (1 << key); - } - } - /* No key data - just set the default TX key index */ - if (key_provided) { - IEEE80211_DEBUG_WX("Setting key %d to default Tx " - "key.\n", key); - ieee->tx_keyidx = key; - sec.active_key = key; - sec.flags |= SEC_ACTIVE_KEY; - } - } - if (erq->flags & (IW_ENCODE_OPEN | IW_ENCODE_RESTRICTED)) { - ieee->open_wep = !(erq->flags & IW_ENCODE_RESTRICTED); - sec.auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : - WLAN_AUTH_SHARED_KEY; - sec.flags |= SEC_AUTH_MODE; - IEEE80211_DEBUG_WX("Auth: %s\n", - sec.auth_mode == WLAN_AUTH_OPEN ? - "OPEN" : "SHARED KEY"); - } - - /* For now we just support WEP, so only set that security level... - * TODO: When WPA is added this is one place that needs to change */ - sec.flags |= SEC_LEVEL; - sec.level = SEC_LEVEL_1; /* 40 and 104 bit WEP */ - sec.encode_alg[key] = SEC_ALG_WEP; - - done: - if (ieee->set_security) - ieee->set_security(dev, &sec); - - /* Do not reset port if card is in Managed mode since resetting will - * generate new IEEE 802.11 authentication which may end up in looping - * with IEEE 802.1X. If your hardware requires a reset after WEP - * configuration (for example... Prism2), implement the reset_port in - * the callbacks structures used to initialize the 802.11 stack. */ - if (ieee->reset_on_keychange && - ieee->iw_mode != IW_MODE_INFRA && - ieee->reset_port && ieee->reset_port(dev)) { - printk(KERN_DEBUG "%s: reset_port failed\n", dev->name); - return -EINVAL; - } - return 0; -} - -int ieee80211_wx_get_encode(struct ieee80211_device *ieee, - struct iw_request_info *info, - union iwreq_data *wrqu, char *keybuf) -{ - struct iw_point *erq = &(wrqu->encoding); - int len, key; - struct ieee80211_crypt_data *crypt; - struct ieee80211_security *sec = &ieee->sec; - - IEEE80211_DEBUG_WX("GET_ENCODE\n"); - - key = erq->flags & IW_ENCODE_INDEX; - if (key) { - if (key > WEP_KEYS) - return -EINVAL; - key--; - } else - key = ieee->tx_keyidx; - - crypt = ieee->crypt[key]; - erq->flags = key + 1; - - if (!sec->enabled) { - erq->length = 0; - erq->flags |= IW_ENCODE_DISABLED; - return 0; - } - - len = sec->key_sizes[key]; - memcpy(keybuf, sec->keys[key], len); - - erq->length = len; - erq->flags |= IW_ENCODE_ENABLED; - - if (ieee->open_wep) - erq->flags |= IW_ENCODE_OPEN; - else - erq->flags |= IW_ENCODE_RESTRICTED; - - return 0; -} - -int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee, - struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - struct net_device *dev = ieee->dev; - struct iw_point *encoding = &wrqu->encoding; - struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; - int i, idx, ret = 0; - int group_key = 0; - const char *alg, *module; - struct ieee80211_crypto_ops *ops; - struct ieee80211_crypt_data **crypt; - - struct ieee80211_security sec = { - .flags = 0, - }; - - idx = encoding->flags & IW_ENCODE_INDEX; - if (idx) { - if (idx < 1 || idx > WEP_KEYS) - return -EINVAL; - idx--; - } else - idx = ieee->tx_keyidx; - - if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) { - crypt = &ieee->crypt[idx]; - group_key = 1; - } else { - /* some Cisco APs use idx>0 for unicast in dynamic WEP */ - if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP) - return -EINVAL; - if (ieee->iw_mode == IW_MODE_INFRA) - crypt = &ieee->crypt[idx]; - else - return -EINVAL; - } - - sec.flags |= SEC_ENABLED | SEC_ENCRYPT; - if ((encoding->flags & IW_ENCODE_DISABLED) || - ext->alg == IW_ENCODE_ALG_NONE) { - if (*crypt) - ieee80211_crypt_delayed_deinit(ieee, crypt); - - for (i = 0; i < WEP_KEYS; i++) - if (ieee->crypt[i] != NULL) - break; - - if (i == WEP_KEYS) { - sec.enabled = 0; - sec.encrypt = 0; - sec.level = SEC_LEVEL_0; - sec.flags |= SEC_LEVEL; - } - goto done; - } - - sec.enabled = 1; - sec.encrypt = 1; - - if (group_key ? !ieee->host_mc_decrypt : - !(ieee->host_encrypt || ieee->host_decrypt || - ieee->host_encrypt_msdu)) - goto skip_host_crypt; - - switch (ext->alg) { - case IW_ENCODE_ALG_WEP: - alg = "WEP"; - module = "ieee80211_crypt_wep"; - break; - case IW_ENCODE_ALG_TKIP: - alg = "TKIP"; - module = "ieee80211_crypt_tkip"; - break; - case IW_ENCODE_ALG_CCMP: - alg = "CCMP"; - module = "ieee80211_crypt_ccmp"; - break; - default: - IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", - dev->name, ext->alg); - ret = -EINVAL; - goto done; - } - - ops = ieee80211_get_crypto_ops(alg); - if (ops == NULL) { - request_module(module); - ops = ieee80211_get_crypto_ops(alg); - } - if (ops == NULL) { - IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", - dev->name, ext->alg); - ret = -EINVAL; - goto done; - } - - if (*crypt == NULL || (*crypt)->ops != ops) { - struct ieee80211_crypt_data *new_crypt; - - ieee80211_crypt_delayed_deinit(ieee, crypt); - - new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL); - if (new_crypt == NULL) { - ret = -ENOMEM; - goto done; - } - new_crypt->ops = ops; - if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) - new_crypt->priv = new_crypt->ops->init(idx); - if (new_crypt->priv == NULL) { - kfree(new_crypt); - ret = -EINVAL; - goto done; - } - *crypt = new_crypt; - } - - if (ext->key_len > 0 && (*crypt)->ops->set_key && - (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq, - (*crypt)->priv) < 0) { - IEEE80211_DEBUG_WX("%s: key setting failed\n", dev->name); - ret = -EINVAL; - goto done; - } - - skip_host_crypt: - if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { - ieee->tx_keyidx = idx; - sec.active_key = idx; - sec.flags |= SEC_ACTIVE_KEY; - } - - if (ext->alg != IW_ENCODE_ALG_NONE) { - memcpy(sec.keys[idx], ext->key, ext->key_len); - sec.key_sizes[idx] = ext->key_len; - sec.flags |= (1 << idx); - if (ext->alg == IW_ENCODE_ALG_WEP) { - sec.encode_alg[idx] = SEC_ALG_WEP; - sec.flags |= SEC_LEVEL; - sec.level = SEC_LEVEL_1; - } else if (ext->alg == IW_ENCODE_ALG_TKIP) { - sec.encode_alg[idx] = SEC_ALG_TKIP; - sec.flags |= SEC_LEVEL; - sec.level = SEC_LEVEL_2; - } else if (ext->alg == IW_ENCODE_ALG_CCMP) { - sec.encode_alg[idx] = SEC_ALG_CCMP; - sec.flags |= SEC_LEVEL; - sec.level = SEC_LEVEL_3; - } - /* Don't set sec level for group keys. */ - if (group_key) - sec.flags &= ~SEC_LEVEL; - } - done: - if (ieee->set_security) - ieee->set_security(ieee->dev, &sec); - - /* - * Do not reset port if card is in Managed mode since resetting will - * generate new IEEE 802.11 authentication which may end up in looping - * with IEEE 802.1X. If your hardware requires a reset after WEP - * configuration (for example... Prism2), implement the reset_port in - * the callbacks structures used to initialize the 802.11 stack. - */ - if (ieee->reset_on_keychange && - ieee->iw_mode != IW_MODE_INFRA && - ieee->reset_port && ieee->reset_port(dev)) { - IEEE80211_DEBUG_WX("%s: reset_port failed\n", dev->name); - return -EINVAL; - } - - return ret; -} - -int ieee80211_wx_get_encodeext(struct ieee80211_device *ieee, - struct iw_request_info *info, - union iwreq_data *wrqu, char *extra) -{ - struct iw_point *encoding = &wrqu->encoding; - struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; - struct ieee80211_security *sec = &ieee->sec; - int idx, max_key_len; - - max_key_len = encoding->length - sizeof(*ext); - if (max_key_len < 0) - return -EINVAL; - - idx = encoding->flags & IW_ENCODE_INDEX; - if (idx) { - if (idx < 1 || idx > WEP_KEYS) - return -EINVAL; - idx--; - } else - idx = ieee->tx_keyidx; - - if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) && - ext->alg != IW_ENCODE_ALG_WEP) - if (idx != 0 || ieee->iw_mode != IW_MODE_INFRA) - return -EINVAL; - - encoding->flags = idx + 1; - memset(ext, 0, sizeof(*ext)); - - if (!sec->enabled) { - ext->alg = IW_ENCODE_ALG_NONE; - ext->key_len = 0; - encoding->flags |= IW_ENCODE_DISABLED; - } else { - if (sec->encode_alg[idx] == SEC_ALG_WEP) - ext->alg = IW_ENCODE_ALG_WEP; - else if (sec->encode_alg[idx] == SEC_ALG_TKIP) - ext->alg = IW_ENCODE_ALG_TKIP; - else if (sec->encode_alg[idx] == SEC_ALG_CCMP) - ext->alg = IW_ENCODE_ALG_CCMP; - else - return -EINVAL; - - ext->key_len = sec->key_sizes[idx]; - memcpy(ext->key, sec->keys[idx], ext->key_len); - encoding->flags |= IW_ENCODE_ENABLED; - if (ext->key_len && - (ext->alg == IW_ENCODE_ALG_TKIP || - ext->alg == IW_ENCODE_ALG_CCMP)) - ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID; - - } - - return 0; -} - -EXPORT_SYMBOL(ieee80211_wx_set_encodeext); -EXPORT_SYMBOL(ieee80211_wx_get_encodeext); - -EXPORT_SYMBOL(ieee80211_wx_get_scan); -EXPORT_SYMBOL(ieee80211_wx_set_encode); -EXPORT_SYMBOL(ieee80211_wx_get_encode); |
