/****************************************************************************** * * 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 * * Copyright (c) 2002-2003, Jouni Malinen * * 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 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 * *****************************************************************************/ #include #include #include #include #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(""); start = iwe_stream_add_point_rsl(info, start, stop, &iwe, ""); } 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<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(*new_crypt), 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; /* fall through */ 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);