| /****************************************************************************** |
| * |
| * 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"); |
| mutex_lock(&ieee->wx_mutex); |
| 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); |
| mutex_unlock(&ieee->wx_mutex); |
| 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_dbg(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 && 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) { |
| 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; |
| |
| mutex_lock(&ieee->wx_mutex); |
| |
| 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: |
| mutex_unlock(&ieee->wx_mutex); |
| return -EOPNOTSUPP; |
| } |
| |
| mutex_unlock(&ieee->wx_mutex); |
| |
| 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); |