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- /******************************************************************************
- Copyright(c) 2004 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
- <jkmaline@cc.hut.fi>
- Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.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.
- 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/wireless.h>
- #include <linux/kmod.h>
- #include <linux/module.h>
- #include <linux/etherdevice.h>
- #include "rtllib.h"
- struct modes_unit {
- char *mode_string;
- int mode_size;
- };
- static struct modes_unit rtllib_modes[] = {
- {"a", 1},
- {"b", 1},
- {"g", 1},
- {"?", 1},
- {"N-24G", 5},
- {"N-5G", 4},
- };
- #define MAX_CUSTOM_LEN 64
- static inline char *rtl819x_translate_scan(struct rtllib_device *ieee,
- char *start, char *stop,
- struct rtllib_network *network,
- struct iw_request_info *info)
- {
- char custom[MAX_CUSTOM_LEN];
- char proto_name[IFNAMSIZ];
- char *pname = proto_name;
- char *p;
- struct iw_event iwe;
- int i, j;
- u16 max_rate, rate;
- static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33};
- /* First entry *MUST* be the AP MAC address */
- iwe.cmd = SIOCGIWAP;
- iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
- ether_addr_copy(iwe.u.ap_addr.sa_data, network->bssid);
- start = iwe_stream_add_event_rsl(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->ssid_len > 0) {
- iwe.u.data.length = min_t(u8, network->ssid_len, 32);
- start = iwe_stream_add_point_rsl(info, start, stop, &iwe,
- network->ssid);
- } else if (network->hidden_ssid_len == 0) {
- iwe.u.data.length = sizeof("<hidden>");
- start = iwe_stream_add_point_rsl(info, start, stop,
- &iwe, "<hidden>");
- } else {
- iwe.u.data.length = min_t(u8, network->hidden_ssid_len, 32);
- start = iwe_stream_add_point_rsl(info, start, stop, &iwe,
- network->hidden_ssid);
- }
- /* Add the protocol name */
- iwe.cmd = SIOCGIWNAME;
- for (i = 0; i < ARRAY_SIZE(rtllib_modes); i++) {
- if (network->mode&(1<<i)) {
- sprintf(pname, rtllib_modes[i].mode_string,
- rtllib_modes[i].mode_size);
- pname += rtllib_modes[i].mode_size;
- }
- }
- *pname = '\0';
- snprintf(iwe.u.name, IFNAMSIZ, "IEEE802.11%s", proto_name);
- start = iwe_stream_add_event_rsl(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_rsl(info, start, stop,
- &iwe, IW_EV_UINT_LEN);
- }
- /* Add frequency/channel */
- iwe.cmd = SIOCGIWFREQ;
- iwe.u.freq.m = network->channel;
- iwe.u.freq.e = 0;
- iwe.u.freq.i = 0;
- start = iwe_stream_add_event_rsl(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_rsl(info, start, stop,
- &iwe, network->ssid);
- /* Add basic and extended rates */
- max_rate = 0;
- p = custom;
- p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), " Rates (Mb/s): ");
- 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;
- if (rate > max_rate)
- max_rate = rate;
- p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
- "%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
- }
- for (; j < network->rates_ex_len; j++) {
- rate = network->rates_ex[j] & 0x7F;
- p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
- "%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
- if (rate > max_rate)
- max_rate = rate;
- }
- if (network->mode >= IEEE_N_24G) {
- struct ht_capab_ele *ht_cap = NULL;
- bool is40M = false, isShortGI = false;
- u8 max_mcs = 0;
- if (!memcmp(network->bssht.bdHTCapBuf, EWC11NHTCap, 4))
- ht_cap = (struct ht_capab_ele *)
- &network->bssht.bdHTCapBuf[4];
- else
- ht_cap = (struct ht_capab_ele *)
- &network->bssht.bdHTCapBuf[0];
- is40M = (ht_cap->ChlWidth) ? 1 : 0;
- isShortGI = (ht_cap->ChlWidth) ?
- ((ht_cap->ShortGI40Mhz) ? 1 : 0) :
- ((ht_cap->ShortGI20Mhz) ? 1 : 0);
- max_mcs = HTGetHighestMCSRate(ieee, ht_cap->MCS,
- MCS_FILTER_ALL);
- rate = MCS_DATA_RATE[is40M][isShortGI][max_mcs & 0x7f];
- if (rate > max_rate)
- max_rate = rate;
- }
- iwe.cmd = SIOCGIWRATE;
- iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
- iwe.u.bitrate.value = max_rate * 500000;
- start = iwe_stream_add_event_rsl(info, start, stop, &iwe,
- IW_EV_PARAM_LEN);
- iwe.cmd = IWEVCUSTOM;
- iwe.u.data.length = p - custom;
- if (iwe.u.data.length)
- start = iwe_stream_add_point_rsl(info, start, stop,
- &iwe, custom);
- /* Add quality statistics */
- /* TODO: Fix these values... */
- iwe.cmd = IWEVQUAL;
- iwe.u.qual.qual = network->stats.signal;
- iwe.u.qual.level = network->stats.rssi;
- iwe.u.qual.noise = network->stats.noise;
- iwe.u.qual.updated = network->stats.mask & RTLLIB_STATMASK_WEMASK;
- if (!(network->stats.mask & RTLLIB_STATMASK_RSSI))
- iwe.u.qual.updated |= IW_QUAL_LEVEL_INVALID;
- if (!(network->stats.mask & RTLLIB_STATMASK_NOISE))
- iwe.u.qual.updated |= IW_QUAL_NOISE_INVALID;
- if (!(network->stats.mask & RTLLIB_STATMASK_SIGNAL))
- iwe.u.qual.updated |= IW_QUAL_QUAL_INVALID;
- iwe.u.qual.updated = 7;
- start = iwe_stream_add_event_rsl(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_rsl(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_rsl(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_rsl(info, start, stop, &iwe, buf);
- }
- /* add info for WZC */
- memset(&iwe, 0, sizeof(iwe));
- if (network->wzc_ie_len) {
- char buf[MAX_WZC_IE_LEN];
- memcpy(buf, network->wzc_ie, network->wzc_ie_len);
- iwe.cmd = IWEVGENIE;
- iwe.u.data.length = network->wzc_ie_len;
- start = iwe_stream_add_point_rsl(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: %lums ago",
- (jiffies - network->last_scanned) / (HZ / 100));
- iwe.u.data.length = p - custom;
- if (iwe.u.data.length)
- start = iwe_stream_add_point_rsl(info, start, stop,
- &iwe, custom);
- return start;
- }
- int rtllib_wx_get_scan(struct rtllib_device *ieee,
- struct iw_request_info *info,
- union iwreq_data *wrqu, char *extra)
- {
- struct rtllib_network *network;
- unsigned long flags;
- char *ev = extra;
- char *stop = ev + wrqu->data.length;
- int i = 0;
- int err = 0;
- netdev_dbg(ieee->dev, "Getting scan\n");
- down(&ieee->wx_sem);
- spin_lock_irqsave(&ieee->lock, flags);
- list_for_each_entry(network, &ieee->network_list, list) {
- i++;
- if ((stop - ev) < 200) {
- err = -E2BIG;
- break;
- }
- if (ieee->scan_age == 0 ||
- time_after(network->last_scanned + ieee->scan_age, jiffies))
- ev = rtl819x_translate_scan(ieee, ev, stop, network,
- info);
- else
- netdev_dbg(ieee->dev,
- "Network '%s ( %pM)' hidden due to age (%lums).\n",
- escape_essid(network->ssid,
- network->ssid_len),
- network->bssid,
- (jiffies - network->last_scanned) /
- (HZ / 100));
- }
- spin_unlock_irqrestore(&ieee->lock, flags);
- up(&ieee->wx_sem);
- wrqu->data.length = ev - extra;
- wrqu->data.flags = 0;
- netdev_dbg(ieee->dev, "%s(): %d networks returned.\n", __func__, i);
- return err;
- }
- EXPORT_SYMBOL(rtllib_wx_get_scan);
- int rtllib_wx_set_encode(struct rtllib_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 rtllib_security sec = {
- .flags = 0
- };
- int i, key, key_provided, len;
- struct lib80211_crypt_data **crypt;
- netdev_dbg(ieee->dev, "%s()\n", __func__);
- key = erq->flags & IW_ENCODE_INDEX;
- if (key) {
- if (key > NUM_WEP_KEYS)
- return -EINVAL;
- key--;
- key_provided = 1;
- } else {
- key_provided = 0;
- key = ieee->crypt_info.tx_keyidx;
- }
- netdev_dbg(ieee->dev, "Key: %d [%s]\n", key, key_provided ?
- "provided" : "default");
- crypt = &ieee->crypt_info.crypt[key];
- if (erq->flags & IW_ENCODE_DISABLED) {
- if (key_provided && *crypt) {
- netdev_dbg(ieee->dev,
- "Disabling encryption on key %d.\n", key);
- lib80211_crypt_delayed_deinit(&ieee->crypt_info, crypt);
- } else
- netdev_dbg(ieee->dev, "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 < NUM_WEP_KEYS; i++) {
- if (ieee->crypt_info.crypt[i] != NULL) {
- if (key_provided)
- break;
- lib80211_crypt_delayed_deinit(&ieee->crypt_info,
- &ieee->crypt_info.crypt[i]);
- }
- }
- if (i == NUM_WEP_KEYS) {
- sec.enabled = 0;
- sec.level = SEC_LEVEL_0;
- sec.flags |= SEC_ENABLED | SEC_LEVEL;
- }
- goto done;
- }
- sec.enabled = 1;
- sec.flags |= SEC_ENABLED;
- if (*crypt != NULL && (*crypt)->ops != NULL &&
- strcmp((*crypt)->ops->name, "R-WEP") != 0) {
- /* changing to use WEP; deinit previously used algorithm
- * on this key
- */
- lib80211_crypt_delayed_deinit(&ieee->crypt_info, crypt);
- }
- if (*crypt == NULL) {
- struct lib80211_crypt_data *new_crypt;
- /* take WEP into use */
- new_crypt = kzalloc(sizeof(struct lib80211_crypt_data),
- GFP_KERNEL);
- if (new_crypt == NULL)
- return -ENOMEM;
- new_crypt->ops = lib80211_get_crypto_ops("R-WEP");
- if (!new_crypt->ops) {
- request_module("rtllib_crypt_wep");
- new_crypt->ops = lib80211_get_crypto_ops("R-WEP");
- }
- if (new_crypt->ops)
- new_crypt->priv = new_crypt->ops->init(key);
- if (!new_crypt->ops || !new_crypt->priv) {
- kfree(new_crypt);
- new_crypt = NULL;
- netdev_warn(dev,
- "%s: could not initialize WEP: load module rtllib_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);
- netdev_dbg(ieee->dev, "Setting key %d to '%s' (%d:%d bytes)\n",
- key, escape_essid(sec.keys[key], len), erq->length,
- len);
- sec.key_sizes[key] = len;
- (*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;
- ieee->crypt_info.tx_keyidx = key;
- } else {
- len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN,
- NULL, (*crypt)->priv);
- if (len == 0) {
- /* Set a default key of all 0 */
- netdev_info(ieee->dev, "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) {
- netdev_dbg(ieee->dev,
- "Setting key %d as default Tx key.\n", key);
- ieee->crypt_info.tx_keyidx = key;
- sec.active_key = key;
- sec.flags |= SEC_ACTIVE_KEY;
- }
- }
- done:
- ieee->open_wep = !(erq->flags & IW_ENCODE_RESTRICTED);
- ieee->auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN :
- WLAN_AUTH_SHARED_KEY;
- sec.auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY;
- sec.flags |= SEC_AUTH_MODE;
- netdev_dbg(ieee->dev, "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 */
- 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)) {
- netdev_dbg(dev, "%s: reset_port failed\n", dev->name);
- return -EINVAL;
- }
- return 0;
- }
- EXPORT_SYMBOL(rtllib_wx_set_encode);
- int rtllib_wx_get_encode(struct rtllib_device *ieee,
- struct iw_request_info *info,
- union iwreq_data *wrqu, char *keybuf)
- {
- struct iw_point *erq = &(wrqu->encoding);
- int len, key;
- struct lib80211_crypt_data *crypt;
- netdev_dbg(ieee->dev, "%s()\n", __func__);
- if (ieee->iw_mode == IW_MODE_MONITOR)
- return -1;
- key = erq->flags & IW_ENCODE_INDEX;
- if (key) {
- if (key > NUM_WEP_KEYS)
- return -EINVAL;
- key--;
- } else {
- key = ieee->crypt_info.tx_keyidx;
- }
- crypt = ieee->crypt_info.crypt[key];
- erq->flags = key + 1;
- if (crypt == NULL || crypt->ops == NULL) {
- erq->length = 0;
- erq->flags |= IW_ENCODE_DISABLED;
- return 0;
- }
- len = crypt->ops->get_key(keybuf, SCM_KEY_LEN, NULL, crypt->priv);
- erq->length = max(len, 0);
- erq->flags |= IW_ENCODE_ENABLED;
- if (ieee->open_wep)
- erq->flags |= IW_ENCODE_OPEN;
- else
- erq->flags |= IW_ENCODE_RESTRICTED;
- return 0;
- }
- EXPORT_SYMBOL(rtllib_wx_get_encode);
- int rtllib_wx_set_encode_ext(struct rtllib_device *ieee,
- struct iw_request_info *info,
- union iwreq_data *wrqu, char *extra)
- {
- int ret = 0;
- 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;
- int group_key = 0;
- const char *alg, *module;
- struct lib80211_crypto_ops *ops;
- struct lib80211_crypt_data **crypt;
- struct rtllib_security sec = {
- .flags = 0,
- };
- idx = encoding->flags & IW_ENCODE_INDEX;
- if (idx) {
- if (idx < 1 || idx > NUM_WEP_KEYS)
- return -EINVAL;
- idx--;
- } else{
- idx = ieee->crypt_info.tx_keyidx;
- }
- if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) {
- crypt = &ieee->crypt_info.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_info.crypt[idx];
- else
- return -EINVAL;
- }
- sec.flags |= SEC_ENABLED;
- if ((encoding->flags & IW_ENCODE_DISABLED) ||
- ext->alg == IW_ENCODE_ALG_NONE) {
- if (*crypt)
- lib80211_crypt_delayed_deinit(&ieee->crypt_info, crypt);
- for (i = 0; i < NUM_WEP_KEYS; i++) {
- if (ieee->crypt_info.crypt[i] != NULL)
- break;
- }
- if (i == NUM_WEP_KEYS) {
- sec.enabled = 0;
- sec.level = SEC_LEVEL_0;
- sec.flags |= SEC_LEVEL;
- }
- goto done;
- }
- sec.enabled = 1;
- switch (ext->alg) {
- case IW_ENCODE_ALG_WEP:
- alg = "R-WEP";
- module = "rtllib_crypt_wep";
- break;
- case IW_ENCODE_ALG_TKIP:
- alg = "R-TKIP";
- module = "rtllib_crypt_tkip";
- break;
- case IW_ENCODE_ALG_CCMP:
- alg = "R-CCMP";
- module = "rtllib_crypt_ccmp";
- break;
- default:
- netdev_dbg(ieee->dev, "Unknown crypto alg %d\n", ext->alg);
- ret = -EINVAL;
- goto done;
- }
- netdev_info(dev, "alg name:%s\n", alg);
- ops = lib80211_get_crypto_ops(alg);
- if (ops == NULL) {
- char tempbuf[100];
- memset(tempbuf, 0x00, 100);
- sprintf(tempbuf, "%s", module);
- request_module("%s", tempbuf);
- ops = lib80211_get_crypto_ops(alg);
- }
- if (ops == NULL) {
- netdev_info(dev, "========>unknown crypto alg %d\n", ext->alg);
- ret = -EINVAL;
- goto done;
- }
- if (*crypt == NULL || (*crypt)->ops != ops) {
- struct lib80211_crypt_data *new_crypt;
- lib80211_crypt_delayed_deinit(&ieee->crypt_info, 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)
- 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) {
- netdev_info(dev, "key setting failed\n");
- ret = -EINVAL;
- goto done;
- }
- if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) {
- ieee->crypt_info.tx_keyidx = idx;
- sec.active_key = idx;
- sec.flags |= SEC_ACTIVE_KEY;
- }
- if (ext->alg != IW_ENCODE_ALG_NONE) {
- sec.key_sizes[idx] = ext->key_len;
- sec.flags |= (1 << idx);
- if (ext->alg == IW_ENCODE_ALG_WEP) {
- sec.flags |= SEC_LEVEL;
- sec.level = SEC_LEVEL_1;
- } else if (ext->alg == IW_ENCODE_ALG_TKIP) {
- sec.flags |= SEC_LEVEL;
- sec.level = SEC_LEVEL_2;
- } else if (ext->alg == IW_ENCODE_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);
- if (ieee->reset_on_keychange &&
- ieee->iw_mode != IW_MODE_INFRA &&
- ieee->reset_port && ieee->reset_port(dev)) {
- netdev_dbg(ieee->dev, "Port reset failed\n");
- return -EINVAL;
- }
- return ret;
- }
- EXPORT_SYMBOL(rtllib_wx_set_encode_ext);
- int rtllib_wx_set_mlme(struct rtllib_device *ieee,
- struct iw_request_info *info,
- union iwreq_data *wrqu, char *extra)
- {
- u8 i = 0;
- bool deauth = false;
- struct iw_mlme *mlme = (struct iw_mlme *) extra;
- if (ieee->state != RTLLIB_LINKED)
- return -ENOLINK;
- down(&ieee->wx_sem);
- switch (mlme->cmd) {
- case IW_MLME_DEAUTH:
- deauth = true;
- /* leave break out intentionly */
- case IW_MLME_DISASSOC:
- if (deauth)
- netdev_info(ieee->dev, "disauth packet !\n");
- else
- netdev_info(ieee->dev, "dis associate packet!\n");
- ieee->cannot_notify = true;
- SendDisassociation(ieee, deauth, mlme->reason_code);
- rtllib_disassociate(ieee);
- ieee->wap_set = 0;
- for (i = 0; i < 6; i++)
- ieee->current_network.bssid[i] = 0x55;
- ieee->ssid_set = 0;
- ieee->current_network.ssid[0] = '\0';
- ieee->current_network.ssid_len = 0;
- break;
- default:
- up(&ieee->wx_sem);
- return -EOPNOTSUPP;
- }
- up(&ieee->wx_sem);
- return 0;
- }
- EXPORT_SYMBOL(rtllib_wx_set_mlme);
- int rtllib_wx_set_auth(struct rtllib_device *ieee,
- struct iw_request_info *info,
- struct iw_param *data, char *extra)
- {
- switch (data->flags & IW_AUTH_INDEX) {
- case IW_AUTH_WPA_VERSION:
- break;
- case IW_AUTH_CIPHER_PAIRWISE:
- case IW_AUTH_CIPHER_GROUP:
- case IW_AUTH_KEY_MGMT:
- /* Host AP driver does not use these parameters and allows
- * wpa_supplicant to control them internally.
- */
- break;
- case IW_AUTH_TKIP_COUNTERMEASURES:
- ieee->tkip_countermeasures = data->value;
- break;
- case IW_AUTH_DROP_UNENCRYPTED:
- ieee->drop_unencrypted = data->value;
- break;
- case IW_AUTH_80211_AUTH_ALG:
- if (data->value & IW_AUTH_ALG_SHARED_KEY) {
- ieee->open_wep = 0;
- ieee->auth_mode = 1;
- } else if (data->value & IW_AUTH_ALG_OPEN_SYSTEM) {
- ieee->open_wep = 1;
- ieee->auth_mode = 0;
- } else if (data->value & IW_AUTH_ALG_LEAP) {
- ieee->open_wep = 1;
- ieee->auth_mode = 2;
- } else
- return -EINVAL;
- break;
- case IW_AUTH_WPA_ENABLED:
- ieee->wpa_enabled = (data->value) ? 1 : 0;
- break;
- case IW_AUTH_RX_UNENCRYPTED_EAPOL:
- ieee->ieee802_1x = data->value;
- break;
- case IW_AUTH_PRIVACY_INVOKED:
- ieee->privacy_invoked = data->value;
- break;
- default:
- return -EOPNOTSUPP;
- }
- return 0;
- }
- EXPORT_SYMBOL(rtllib_wx_set_auth);
- int rtllib_wx_set_gen_ie(struct rtllib_device *ieee, u8 *ie, size_t len)
- {
- u8 *buf;
- u8 eid, wps_oui[4] = {0x0, 0x50, 0xf2, 0x04};
- if (len > MAX_WPA_IE_LEN || (len && ie == NULL))
- return -EINVAL;
- if (len) {
- eid = ie[0];
- if ((eid == MFIE_TYPE_GENERIC) && (!memcmp(&ie[2],
- wps_oui, 4))) {
- ieee->wps_ie_len = min_t(size_t, len, MAX_WZC_IE_LEN);
- buf = kmemdup(ie, ieee->wps_ie_len, GFP_KERNEL);
- if (buf == NULL)
- return -ENOMEM;
- ieee->wps_ie = buf;
- return 0;
- }
- }
- ieee->wps_ie_len = 0;
- kfree(ieee->wps_ie);
- ieee->wps_ie = NULL;
- if (len) {
- if (len != ie[1]+2)
- return -EINVAL;
- buf = kmemdup(ie, len, GFP_KERNEL);
- if (buf == NULL)
- return -ENOMEM;
- kfree(ieee->wpa_ie);
- ieee->wpa_ie = buf;
- ieee->wpa_ie_len = len;
- } else {
- kfree(ieee->wpa_ie);
- ieee->wpa_ie = NULL;
- ieee->wpa_ie_len = 0;
- }
- return 0;
- }
- EXPORT_SYMBOL(rtllib_wx_set_gen_ie);
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