--- /dev/null
+/******************************************************************************
+
+ 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.
+
+ 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/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;
+
+ RTLLIB_DEBUG_WX("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
+ RTLLIB_DEBUG_SCAN("Not showing network '%s ( %pM)' 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;
+
+ RTLLIB_DEBUG_WX("exit: %d networks returned.\n", 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;
+
+ RTLLIB_DEBUG_WX("SET_ENCODE\n");
+
+ 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;
+ }
+
+ RTLLIB_DEBUG_WX("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) {
+ RTLLIB_DEBUG_WX("Disabling encryption on key %d.\n",
+ key);
+ lib80211_crypt_delayed_deinit(&ieee->crypt_info, crypt);
+ } else
+ RTLLIB_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 < 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);
+ RTLLIB_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;
+ (*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) {
+ RTLLIB_DEBUG_WX("Setting key %d to 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;
+ RTLLIB_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 */
+
+ 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;
+
+ RTLLIB_DEBUG_WX("GET_ENCODE\n");
+
+ 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 = (len >= 0 ? 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:
+ RTLLIB_DEBUG_WX("%s: unknown crypto alg %d\n",
+ dev->name, 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)) {
+ RTLLIB_DEBUG_WX("%s: reset_port failed\n", dev->name);
+ return -EINVAL;
+ }
+ return ret;
+}
+EXPORT_SYMBOL(rtllib_wx_set_encode_ext);
+
+int rtllib_wx_get_encode_ext(struct rtllib_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 lib80211_crypt_data *crypt;
+ 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 > NUM_WEP_KEYS)
+ return -EINVAL;
+ idx--;
+ } else {
+ idx = ieee->crypt_info.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;
+
+ crypt = ieee->crypt_info.crypt[idx];
+
+ encoding->flags = idx + 1;
+ memset(ext, 0, sizeof(*ext));
+
+ if (crypt == NULL || crypt->ops == NULL) {
+ ext->alg = IW_ENCODE_ALG_NONE;
+ ext->key_len = 0;
+ encoding->flags |= IW_ENCODE_DISABLED;
+ } else {
+ if (strcmp(crypt->ops->name, "R-WEP") == 0)
+ ext->alg = IW_ENCODE_ALG_WEP;
+ else if (strcmp(crypt->ops->name, "R-TKIP"))
+ ext->alg = IW_ENCODE_ALG_TKIP;
+ else if (strcmp(crypt->ops->name, "R-CCMP"))
+ ext->alg = IW_ENCODE_ALG_CCMP;
+ else
+ return -EINVAL;
+ ext->key_len = crypt->ops->get_key(ext->key, SCM_KEY_LEN,
+ NULL, crypt->priv);
+ 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;
+}
+
+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 = (len < MAX_WZC_IE_LEN) ? (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);
Code Review / kvmfornfv.git / blobdiff