#include <linux/kernel.h>
#include <linux/netdevice.h>
+#include <linux/sched.h>
+#include <linux/etherdevice.h>
#include <linux/wireless.h>
#include <linux/ieee80211.h>
#include <net/cfg80211.h>
.n_bitrates = iwm_a_rates_size,
};
+static int iwm_key_init(struct iwm_key *key, u8 key_index,
+ const u8 *mac_addr, struct key_params *params)
+{
+ key->hdr.key_idx = key_index;
+ if (!mac_addr || is_broadcast_ether_addr(mac_addr)) {
+ key->hdr.multicast = 1;
+ memset(key->hdr.mac, 0xff, ETH_ALEN);
+ } else {
+ key->hdr.multicast = 0;
+ memcpy(key->hdr.mac, mac_addr, ETH_ALEN);
+ }
+
+ if (params) {
+ if (params->key_len > WLAN_MAX_KEY_LEN ||
+ params->seq_len > IW_ENCODE_SEQ_MAX_SIZE)
+ return -EINVAL;
+
+ key->cipher = params->cipher;
+ key->key_len = params->key_len;
+ key->seq_len = params->seq_len;
+ memcpy(key->key, params->key, key->key_len);
+ memcpy(key->seq, params->seq, key->seq_len);
+ }
+
+ return 0;
+}
+
+static int iwm_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
+ u8 key_index, const u8 *mac_addr,
+ struct key_params *params)
+{
+ struct iwm_priv *iwm = ndev_to_iwm(ndev);
+ struct iwm_key *key = &iwm->keys[key_index];
+ int ret;
+
+ IWM_DBG_WEXT(iwm, DBG, "Adding key for %pM\n", mac_addr);
+
+ memset(key, 0, sizeof(struct iwm_key));
+ ret = iwm_key_init(key, key_index, mac_addr, params);
+ if (ret < 0) {
+ IWM_ERR(iwm, "Invalid key_params\n");
+ return ret;
+ }
+
+ return iwm_set_key(iwm, 0, key);
+}
+
+static int iwm_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev,
+ u8 key_index, const u8 *mac_addr, void *cookie,
+ void (*callback)(void *cookie,
+ struct key_params*))
+{
+ struct iwm_priv *iwm = ndev_to_iwm(ndev);
+ struct iwm_key *key = &iwm->keys[key_index];
+ struct key_params params;
+
+ IWM_DBG_WEXT(iwm, DBG, "Getting key %d\n", key_index);
+
+ memset(¶ms, 0, sizeof(params));
+
+ params.cipher = key->cipher;
+ params.key_len = key->key_len;
+ params.seq_len = key->seq_len;
+ params.seq = key->seq;
+ params.key = key->key;
+
+ callback(cookie, ¶ms);
+
+ return key->key_len ? 0 : -ENOENT;
+}
+
+
+static int iwm_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev,
+ u8 key_index, const u8 *mac_addr)
+{
+ struct iwm_priv *iwm = ndev_to_iwm(ndev);
+ struct iwm_key *key = &iwm->keys[key_index];
+
+ if (!iwm->keys[key_index].key_len) {
+ IWM_DBG_WEXT(iwm, DBG, "Key %d not used\n", key_index);
+ return 0;
+ }
+
+ if (key_index == iwm->default_key)
+ iwm->default_key = -1;
+
+ return iwm_set_key(iwm, 1, key);
+}
+
+static int iwm_cfg80211_set_default_key(struct wiphy *wiphy,
+ struct net_device *ndev,
+ u8 key_index)
+{
+ struct iwm_priv *iwm = ndev_to_iwm(ndev);
+
+ IWM_DBG_WEXT(iwm, DBG, "Default key index is: %d\n", key_index);
+
+ if (!iwm->keys[key_index].key_len) {
+ IWM_ERR(iwm, "Key %d not used\n", key_index);
+ return -EINVAL;
+ }
+
+ iwm->default_key = key_index;
+
+ return iwm_set_tx_key(iwm, key_index);
+}
+
+static int iwm_cfg80211_get_station(struct wiphy *wiphy,
+ struct net_device *ndev,
+ u8 *mac, struct station_info *sinfo)
+{
+ struct iwm_priv *iwm = ndev_to_iwm(ndev);
+
+ if (memcmp(mac, iwm->bssid, ETH_ALEN))
+ return -ENOENT;
+
+ sinfo->filled |= STATION_INFO_TX_BITRATE;
+ sinfo->txrate.legacy = iwm->rate * 10;
+
+ if (test_bit(IWM_STATUS_ASSOCIATED, &iwm->status)) {
+ sinfo->filled |= STATION_INFO_SIGNAL;
+ sinfo->signal = iwm->wstats.qual.level;
+ }
+
+ return 0;
+}
+
+
int iwm_cfg80211_inform_bss(struct iwm_priv *iwm)
{
struct wiphy *wiphy = iwm_to_wiphy(iwm);
return 0;
}
-static int iwm_cfg80211_change_iface(struct wiphy *wiphy, int ifindex,
+static int iwm_cfg80211_change_iface(struct wiphy *wiphy,
+ struct net_device *ndev,
enum nl80211_iftype type, u32 *flags,
struct vif_params *params)
{
- struct net_device *ndev;
struct wireless_dev *wdev;
struct iwm_priv *iwm;
u32 old_mode;
- /* we're under RTNL */
- ndev = __dev_get_by_index(&init_net, ifindex);
- if (!ndev)
- return -ENODEV;
-
wdev = ndev->ieee80211_ptr;
iwm = ndev_to_iwm(ndev);
old_mode = iwm->conf.mode;
iwm->umac_profile->mode = cpu_to_le32(iwm->conf.mode);
- if (iwm->umac_profile_active) {
- int ret = iwm_invalidate_mlme_profile(iwm);
- if (ret < 0)
- IWM_ERR(iwm, "Couldn't invalidate profile\n");
- }
+ if (iwm->umac_profile_active)
+ iwm_invalidate_mlme_profile(iwm);
return 0;
}
iwm->conf.frag_threshold = wiphy->frag_threshold;
- ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX,
+ ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_FA_CFG_FIX,
CFG_FRAG_THRESHOLD,
iwm->conf.frag_threshold);
if (ret < 0)
return 0;
}
+static int iwm_set_auth_type(struct iwm_priv *iwm,
+ enum nl80211_auth_type sme_auth_type)
+{
+ u8 *auth_type = &iwm->umac_profile->sec.auth_type;
+
+ switch (sme_auth_type) {
+ case NL80211_AUTHTYPE_AUTOMATIC:
+ case NL80211_AUTHTYPE_OPEN_SYSTEM:
+ IWM_DBG_WEXT(iwm, DBG, "OPEN auth\n");
+ *auth_type = UMAC_AUTH_TYPE_OPEN;
+ break;
+ case NL80211_AUTHTYPE_SHARED_KEY:
+ if (iwm->umac_profile->sec.flags &
+ (UMAC_SEC_FLG_WPA_ON_MSK | UMAC_SEC_FLG_RSNA_ON_MSK)) {
+ IWM_DBG_WEXT(iwm, DBG, "WPA auth alg\n");
+ *auth_type = UMAC_AUTH_TYPE_RSNA_PSK;
+ } else {
+ IWM_DBG_WEXT(iwm, DBG, "WEP shared key auth alg\n");
+ *auth_type = UMAC_AUTH_TYPE_LEGACY_PSK;
+ }
+
+ break;
+ default:
+ IWM_ERR(iwm, "Unsupported auth alg: 0x%x\n", sme_auth_type);
+ return -ENOTSUPP;
+ }
+
+ return 0;
+}
+
+static int iwm_set_wpa_version(struct iwm_priv *iwm, u32 wpa_version)
+{
+ IWM_DBG_WEXT(iwm, DBG, "wpa_version: %d\n", wpa_version);
+
+ if (!wpa_version) {
+ iwm->umac_profile->sec.flags = UMAC_SEC_FLG_LEGACY_PROFILE;
+ return 0;
+ }
+
+ if (wpa_version & NL80211_WPA_VERSION_2)
+ iwm->umac_profile->sec.flags = UMAC_SEC_FLG_RSNA_ON_MSK;
+
+ if (wpa_version & NL80211_WPA_VERSION_1)
+ iwm->umac_profile->sec.flags |= UMAC_SEC_FLG_WPA_ON_MSK;
+
+ return 0;
+}
+
+static int iwm_set_cipher(struct iwm_priv *iwm, u32 cipher, bool ucast)
+{
+ u8 *profile_cipher = ucast ? &iwm->umac_profile->sec.ucast_cipher :
+ &iwm->umac_profile->sec.mcast_cipher;
+
+ if (!cipher) {
+ *profile_cipher = UMAC_CIPHER_TYPE_NONE;
+ return 0;
+ }
+
+ IWM_DBG_WEXT(iwm, DBG, "%ccast cipher is 0x%x\n", ucast ? 'u' : 'm',
+ cipher);
+
+ switch (cipher) {
+ case IW_AUTH_CIPHER_NONE:
+ *profile_cipher = UMAC_CIPHER_TYPE_NONE;
+ break;
+ case WLAN_CIPHER_SUITE_WEP40:
+ *profile_cipher = UMAC_CIPHER_TYPE_WEP_40;
+ break;
+ case WLAN_CIPHER_SUITE_WEP104:
+ *profile_cipher = UMAC_CIPHER_TYPE_WEP_104;
+ break;
+ case WLAN_CIPHER_SUITE_TKIP:
+ *profile_cipher = UMAC_CIPHER_TYPE_TKIP;
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ *profile_cipher = UMAC_CIPHER_TYPE_CCMP;
+ break;
+ default:
+ IWM_ERR(iwm, "Unsupported cipher: 0x%x\n", cipher);
+ return -ENOTSUPP;
+ }
+
+ return 0;
+}
+
+static int iwm_set_key_mgt(struct iwm_priv *iwm, u32 key_mgt)
+{
+ u8 *auth_type = &iwm->umac_profile->sec.auth_type;
+
+ IWM_DBG_WEXT(iwm, DBG, "key_mgt: 0x%x\n", key_mgt);
+
+ if (key_mgt == WLAN_AKM_SUITE_8021X)
+ *auth_type = UMAC_AUTH_TYPE_8021X;
+ else if (key_mgt == WLAN_AKM_SUITE_PSK) {
+ if (iwm->umac_profile->sec.flags &
+ (UMAC_SEC_FLG_WPA_ON_MSK | UMAC_SEC_FLG_RSNA_ON_MSK))
+ *auth_type = UMAC_AUTH_TYPE_RSNA_PSK;
+ else
+ *auth_type = UMAC_AUTH_TYPE_LEGACY_PSK;
+ } else {
+ IWM_ERR(iwm, "Invalid key mgt: 0x%x\n", key_mgt);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+
+static int iwm_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
+ struct cfg80211_connect_params *sme)
+{
+ struct iwm_priv *iwm = wiphy_to_iwm(wiphy);
+ struct ieee80211_channel *chan = sme->channel;
+ struct key_params key_param;
+ int ret;
+
+ if (!test_bit(IWM_STATUS_READY, &iwm->status))
+ return -EIO;
+
+ if (!sme->ssid)
+ return -EINVAL;
+
+ if (iwm->umac_profile_active) {
+ ret = iwm_invalidate_mlme_profile(iwm);
+ if (ret) {
+ IWM_ERR(iwm, "Couldn't invalidate profile\n");
+ return ret;
+ }
+ }
+
+ if (chan)
+ iwm->channel =
+ ieee80211_frequency_to_channel(chan->center_freq);
+
+ iwm->umac_profile->ssid.ssid_len = sme->ssid_len;
+ memcpy(iwm->umac_profile->ssid.ssid, sme->ssid, sme->ssid_len);
+
+ if (sme->bssid) {
+ IWM_DBG_WEXT(iwm, DBG, "BSSID: %pM\n", sme->bssid);
+ memcpy(&iwm->umac_profile->bssid[0], sme->bssid, ETH_ALEN);
+ iwm->umac_profile->bss_num = 1;
+ } else {
+ memset(&iwm->umac_profile->bssid[0], 0, ETH_ALEN);
+ iwm->umac_profile->bss_num = 0;
+ }
+
+ ret = iwm_set_wpa_version(iwm, sme->crypto.wpa_versions);
+ if (ret < 0)
+ return ret;
+
+ ret = iwm_set_auth_type(iwm, sme->auth_type);
+ if (ret < 0)
+ return ret;
+
+ if (sme->crypto.n_ciphers_pairwise) {
+ ret = iwm_set_cipher(iwm, sme->crypto.ciphers_pairwise[0],
+ true);
+ if (ret < 0)
+ return ret;
+ }
+
+ ret = iwm_set_cipher(iwm, sme->crypto.cipher_group, false);
+ if (ret < 0)
+ return ret;
+
+ if (sme->crypto.n_akm_suites) {
+ ret = iwm_set_key_mgt(iwm, sme->crypto.akm_suites[0]);
+ if (ret < 0)
+ return ret;
+ }
+
+ /*
+ * We save the WEP key in case we want to do shared authentication.
+ * We have to do it so because UMAC will assert whenever it gets a
+ * key before a profile.
+ */
+ if (sme->key) {
+ key_param.key = kmemdup(sme->key, sme->key_len, GFP_KERNEL);
+ if (key_param.key == NULL)
+ return -ENOMEM;
+ key_param.key_len = sme->key_len;
+ key_param.seq_len = 0;
+ key_param.cipher = sme->crypto.ciphers_pairwise[0];
+
+ ret = iwm_key_init(&iwm->keys[sme->key_idx], sme->key_idx,
+ NULL, &key_param);
+ kfree(key_param.key);
+ if (ret < 0) {
+ IWM_ERR(iwm, "Invalid key_params\n");
+ return ret;
+ }
+
+ iwm->default_key = sme->key_idx;
+ }
+
+ ret = iwm_send_mlme_profile(iwm);
+
+ if (iwm->umac_profile->sec.auth_type != UMAC_AUTH_TYPE_LEGACY_PSK ||
+ sme->key == NULL)
+ return ret;
+
+ /*
+ * We want to do shared auth.
+ * We need to actually set the key we previously cached,
+ * and then tell the UMAC it's the default one.
+ * That will trigger the auth+assoc UMAC machinery, and again,
+ * this must be done after setting the profile.
+ */
+ ret = iwm_set_key(iwm, 0, &iwm->keys[sme->key_idx]);
+ if (ret < 0)
+ return ret;
+
+ return iwm_set_tx_key(iwm, iwm->default_key);
+}
+
+static int iwm_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
+ u16 reason_code)
+{
+ struct iwm_priv *iwm = wiphy_to_iwm(wiphy);
+
+ IWM_DBG_WEXT(iwm, DBG, "Active: %d\n", iwm->umac_profile_active);
+
+ if (iwm->umac_profile_active)
+ iwm_invalidate_mlme_profile(iwm);
+
+ return 0;
+}
+
+static int iwm_cfg80211_set_txpower(struct wiphy *wiphy,
+ enum tx_power_setting type, int dbm)
+{
+ switch (type) {
+ case TX_POWER_AUTOMATIC:
+ return 0;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int iwm_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm)
+{
+ struct iwm_priv *iwm = wiphy_to_iwm(wiphy);
+
+ *dbm = iwm->txpower;
+
+ return 0;
+}
+
+static int iwm_cfg80211_set_power_mgmt(struct wiphy *wiphy,
+ struct net_device *dev,
+ bool enabled, int timeout)
+{
+ struct iwm_priv *iwm = wiphy_to_iwm(wiphy);
+ u32 power_index;
+
+ if (enabled)
+ power_index = IWM_POWER_INDEX_DEFAULT;
+ else
+ power_index = IWM_POWER_INDEX_MIN;
+
+ if (power_index == iwm->conf.power_index)
+ return 0;
+
+ iwm->conf.power_index = power_index;
+
+ return iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX,
+ CFG_POWER_INDEX, iwm->conf.power_index);
+}
+
static struct cfg80211_ops iwm_cfg80211_ops = {
.change_virtual_intf = iwm_cfg80211_change_iface,
+ .add_key = iwm_cfg80211_add_key,
+ .get_key = iwm_cfg80211_get_key,
+ .del_key = iwm_cfg80211_del_key,
+ .set_default_key = iwm_cfg80211_set_default_key,
+ .get_station = iwm_cfg80211_get_station,
.scan = iwm_cfg80211_scan,
.set_wiphy_params = iwm_cfg80211_set_wiphy_params,
+ .connect = iwm_cfg80211_connect,
+ .disconnect = iwm_cfg80211_disconnect,
.join_ibss = iwm_cfg80211_join_ibss,
.leave_ibss = iwm_cfg80211_leave_ibss,
+ .set_tx_power = iwm_cfg80211_set_txpower,
+ .get_tx_power = iwm_cfg80211_get_txpower,
+ .set_power_mgmt = iwm_cfg80211_set_power_mgmt,
+};
+
+static const u32 cipher_suites[] = {
+ WLAN_CIPHER_SUITE_WEP40,
+ WLAN_CIPHER_SUITE_WEP104,
+ WLAN_CIPHER_SUITE_TKIP,
+ WLAN_CIPHER_SUITE_CCMP,
};
struct wireless_dev *iwm_wdev_alloc(int sizeof_bus, struct device *dev)
wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &iwm_band_5ghz;
wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
+ wdev->wiphy->cipher_suites = cipher_suites;
+ wdev->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
+
ret = wiphy_register(wdev->wiphy);
if (ret < 0) {
dev_err(dev, "Couldn't register wiphy device\n");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff