tasklet_kill(&ieee->ps_task);
}
-/********************************************************
- * Start of WPA code. *
- * this is stolen from the ipw2200 driver *
- ********************************************************/
-
-
-static int rtllib_wpa_enable(struct rtllib_device *ieee, int value)
-{
- /* This is called when wpa_supplicant loads and closes the driver
- * interface.
- */
- netdev_info(ieee->dev, "%s WPA\n", value ? "enabling" : "disabling");
- ieee->wpa_enabled = value;
- eth_zero_addr(ieee->ap_mac_addr);
- return 0;
-}
-
-
-static void rtllib_wpa_assoc_frame(struct rtllib_device *ieee, char *wpa_ie,
- int wpa_ie_len)
-{
- /* make sure WPA is enabled */
- rtllib_wpa_enable(ieee, 1);
-
- rtllib_disassociate(ieee);
-}
-
-
-static int rtllib_wpa_mlme(struct rtllib_device *ieee, int command, int reason)
-{
-
- int ret = 0;
-
- switch (command) {
- case IEEE_MLME_STA_DEAUTH:
- break;
-
- case IEEE_MLME_STA_DISASSOC:
- rtllib_disassociate(ieee);
- break;
-
- default:
- netdev_info(ieee->dev, "Unknown MLME request: %d\n", command);
- ret = -EOPNOTSUPP;
- }
-
- return ret;
-}
-
-
-static int rtllib_wpa_set_wpa_ie(struct rtllib_device *ieee,
- struct ieee_param *param, int plen)
-{
- u8 *buf;
-
- if (param->u.wpa_ie.len > MAX_WPA_IE_LEN ||
- (param->u.wpa_ie.len && param->u.wpa_ie.data == NULL))
- return -EINVAL;
-
- if (param->u.wpa_ie.len) {
- buf = kmemdup(param->u.wpa_ie.data, param->u.wpa_ie.len,
- GFP_KERNEL);
- if (buf == NULL)
- return -ENOMEM;
-
- kfree(ieee->wpa_ie);
- ieee->wpa_ie = buf;
- ieee->wpa_ie_len = param->u.wpa_ie.len;
- } else {
- kfree(ieee->wpa_ie);
- ieee->wpa_ie = NULL;
- ieee->wpa_ie_len = 0;
- }
-
- rtllib_wpa_assoc_frame(ieee, ieee->wpa_ie, ieee->wpa_ie_len);
- return 0;
-}
-
-#define AUTH_ALG_OPEN_SYSTEM 0x1
-#define AUTH_ALG_SHARED_KEY 0x2
-#define AUTH_ALG_LEAP 0x4
-static int rtllib_wpa_set_auth_algs(struct rtllib_device *ieee, int value)
-{
-
- struct rtllib_security sec = {
- .flags = SEC_AUTH_MODE,
- };
-
- if (value & AUTH_ALG_SHARED_KEY) {
- sec.auth_mode = WLAN_AUTH_SHARED_KEY;
- ieee->open_wep = 0;
- ieee->auth_mode = 1;
- } else if (value & AUTH_ALG_OPEN_SYSTEM) {
- sec.auth_mode = WLAN_AUTH_OPEN;
- ieee->open_wep = 1;
- ieee->auth_mode = 0;
- } else if (value & AUTH_ALG_LEAP) {
- sec.auth_mode = WLAN_AUTH_LEAP >> 6;
- ieee->open_wep = 1;
- ieee->auth_mode = 2;
- }
-
-
- if (ieee->set_security)
- ieee->set_security(ieee->dev, &sec);
-
- return 0;
-}
-
-static int rtllib_wpa_set_param(struct rtllib_device *ieee, u8 name, u32 value)
-{
- int ret = 0;
- unsigned long flags;
-
- switch (name) {
- case IEEE_PARAM_WPA_ENABLED:
- ret = rtllib_wpa_enable(ieee, value);
- break;
-
- case IEEE_PARAM_TKIP_COUNTERMEASURES:
- ieee->tkip_countermeasures = value;
- break;
-
- case IEEE_PARAM_DROP_UNENCRYPTED:
- {
- /* HACK:
- *
- * wpa_supplicant calls set_wpa_enabled when the driver
- * is loaded and unloaded, regardless of if WPA is being
- * used. No other calls are made which can be used to
- * determine if encryption will be used or not prior to
- * association being expected. If encryption is not being
- * used, drop_unencrypted is set to false, else true -- we
- * can use this to determine if the CAP_PRIVACY_ON bit should
- * be set.
- */
- struct rtllib_security sec = {
- .flags = SEC_ENABLED,
- .enabled = value,
- };
- ieee->drop_unencrypted = value;
- /* We only change SEC_LEVEL for open mode. Others
- * are set by ipw_wpa_set_encryption.
- */
- if (!value) {
- sec.flags |= SEC_LEVEL;
- sec.level = SEC_LEVEL_0;
- } else {
- sec.flags |= SEC_LEVEL;
- sec.level = SEC_LEVEL_1;
- }
- if (ieee->set_security)
- ieee->set_security(ieee->dev, &sec);
- break;
- }
-
- case IEEE_PARAM_PRIVACY_INVOKED:
- ieee->privacy_invoked = value;
- break;
-
- case IEEE_PARAM_AUTH_ALGS:
- ret = rtllib_wpa_set_auth_algs(ieee, value);
- break;
-
- case IEEE_PARAM_IEEE_802_1X:
- ieee->ieee802_1x = value;
- break;
- case IEEE_PARAM_WPAX_SELECT:
- spin_lock_irqsave(&ieee->wpax_suitlist_lock, flags);
- spin_unlock_irqrestore(&ieee->wpax_suitlist_lock, flags);
- break;
-
- default:
- netdev_info(ieee->dev, "Unknown WPA param: %d\n", name);
- ret = -EOPNOTSUPP;
- }
-
- return ret;
-}
-
-/* implementation borrowed from hostap driver */
-static int rtllib_wpa_set_encryption(struct rtllib_device *ieee,
- struct ieee_param *param, int param_len,
- u8 is_mesh)
-{
- int ret = 0;
- struct lib80211_crypto_ops *ops;
- struct lib80211_crypt_data **crypt;
-
- struct rtllib_security sec = {
- .flags = 0,
- };
-
- param->u.crypt.err = 0;
- param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0';
-
- if (param_len !=
- (int) ((char *) param->u.crypt.key - (char *) param) +
- param->u.crypt.key_len) {
- netdev_info(ieee->dev, "Len mismatch %d, %d\n", param_len,
- param->u.crypt.key_len);
- return -EINVAL;
- }
- if (is_broadcast_ether_addr(param->sta_addr)) {
- if (param->u.crypt.idx >= NUM_WEP_KEYS)
- return -EINVAL;
- crypt = &ieee->crypt_info.crypt[param->u.crypt.idx];
- } else {
- return -EINVAL;
- }
-
- if (strcmp(param->u.crypt.alg, "none") == 0) {
- if (crypt) {
- sec.enabled = 0;
- sec.level = SEC_LEVEL_0;
- sec.flags |= SEC_ENABLED | SEC_LEVEL;
- lib80211_crypt_delayed_deinit(&ieee->crypt_info, crypt);
- }
- goto done;
- }
- sec.enabled = 1;
- sec.flags |= SEC_ENABLED;
-
- /* IPW HW cannot build TKIP MIC, host decryption still needed. */
- if (!(ieee->host_encrypt || ieee->host_decrypt) &&
- strcmp(param->u.crypt.alg, "R-TKIP"))
- goto skip_host_crypt;
-
- ops = lib80211_get_crypto_ops(param->u.crypt.alg);
- if (ops == NULL && strcmp(param->u.crypt.alg, "R-WEP") == 0) {
- request_module("rtllib_crypt_wep");
- ops = lib80211_get_crypto_ops(param->u.crypt.alg);
- } else if (ops == NULL && strcmp(param->u.crypt.alg, "R-TKIP") == 0) {
- request_module("rtllib_crypt_tkip");
- ops = lib80211_get_crypto_ops(param->u.crypt.alg);
- } else if (ops == NULL && strcmp(param->u.crypt.alg, "R-CCMP") == 0) {
- request_module("rtllib_crypt_ccmp");
- ops = lib80211_get_crypto_ops(param->u.crypt.alg);
- }
- if (ops == NULL) {
- netdev_info(ieee->dev, "unknown crypto alg '%s'\n",
- param->u.crypt.alg);
- param->u.crypt.err = IEEE_CRYPT_ERR_UNKNOWN_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(param->u.crypt.idx);
-
- if (new_crypt->priv == NULL) {
- kfree(new_crypt);
- param->u.crypt.err = IEEE_CRYPT_ERR_CRYPT_INIT_FAILED;
- ret = -EINVAL;
- goto done;
- }
-
- *crypt = new_crypt;
- }
-
- if (param->u.crypt.key_len > 0 && (*crypt)->ops->set_key &&
- (*crypt)->ops->set_key(param->u.crypt.key,
- param->u.crypt.key_len, param->u.crypt.seq,
- (*crypt)->priv) < 0) {
- netdev_info(ieee->dev, "key setting failed\n");
- param->u.crypt.err = IEEE_CRYPT_ERR_KEY_SET_FAILED;
- ret = -EINVAL;
- goto done;
- }
-
- skip_host_crypt:
- if (param->u.crypt.set_tx) {
- ieee->crypt_info.tx_keyidx = param->u.crypt.idx;
- sec.active_key = param->u.crypt.idx;
- sec.flags |= SEC_ACTIVE_KEY;
- } else
- sec.flags &= ~SEC_ACTIVE_KEY;
-
- memcpy(sec.keys[param->u.crypt.idx],
- param->u.crypt.key,
- param->u.crypt.key_len);
- sec.key_sizes[param->u.crypt.idx] = param->u.crypt.key_len;
- sec.flags |= (1 << param->u.crypt.idx);
-
- if (strcmp(param->u.crypt.alg, "R-WEP") == 0) {
- sec.flags |= SEC_LEVEL;
- sec.level = SEC_LEVEL_1;
- } else if (strcmp(param->u.crypt.alg, "R-TKIP") == 0) {
- sec.flags |= SEC_LEVEL;
- sec.level = SEC_LEVEL_2;
- } else if (strcmp(param->u.crypt.alg, "R-CCMP") == 0) {
- sec.flags |= SEC_LEVEL;
- sec.level = SEC_LEVEL_3;
- }
- 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(ieee->dev)) {
- netdev_info(ieee->dev, "reset_port failed\n");
- param->u.crypt.err = IEEE_CRYPT_ERR_CARD_CONF_FAILED;
- return -EINVAL;
- }
-
- return ret;
-}
-
static inline struct sk_buff *
rtllib_disauth_skb(struct rtllib_network *beacon,
struct rtllib_device *ieee, u16 asRsn)
}
}
-int rtllib_wpa_supplicant_ioctl(struct rtllib_device *ieee, struct iw_point *p,
- u8 is_mesh)
-{
- struct ieee_param *param;
- int ret = 0;
-
- mutex_lock(&ieee->wx_mutex);
-
- if (p->length < sizeof(struct ieee_param) || !p->pointer) {
- ret = -EINVAL;
- goto out;
- }
-
- param = memdup_user(p->pointer, p->length);
- if (IS_ERR(param)) {
- ret = PTR_ERR(param);
- goto out;
- }
-
- switch (param->cmd) {
- case IEEE_CMD_SET_WPA_PARAM:
- ret = rtllib_wpa_set_param(ieee, param->u.wpa_param.name,
- param->u.wpa_param.value);
- break;
-
- case IEEE_CMD_SET_WPA_IE:
- ret = rtllib_wpa_set_wpa_ie(ieee, param, p->length);
- break;
-
- case IEEE_CMD_SET_ENCRYPTION:
- ret = rtllib_wpa_set_encryption(ieee, param, p->length, 0);
- break;
-
- case IEEE_CMD_MLME:
- ret = rtllib_wpa_mlme(ieee, param->u.mlme.command,
- param->u.mlme.reason_code);
- break;
-
- default:
- netdev_info(ieee->dev, "Unknown WPA supplicant request: %d\n",
- param->cmd);
- ret = -EOPNOTSUPP;
- break;
- }
-
- if (ret == 0 && copy_to_user(p->pointer, param, p->length))
- ret = -EFAULT;
-
- kfree(param);
-out:
- mutex_unlock(&ieee->wx_mutex);
-
- return ret;
-}
-EXPORT_SYMBOL(rtllib_wpa_supplicant_ioctl);
-
static void rtllib_MgntDisconnectIBSS(struct rtllib_device *rtllib)
{
u8 OpMode;
projects / platform / kernel / linux-rpi.git / commitdiff