#include <linux/kernel.h>
#include <linux/netdevice.h>
+#include <linux/sched.h>
#include <linux/etherdevice.h>
#include <linux/wireless.h>
#include <linux/ieee80211.h>
return 0;
}
-static int iwm_reset_profile(struct iwm_priv *iwm)
-{
- int ret;
-
- if (!iwm->umac_profile_active)
- return 0;
-
- /*
- * If there is a current active profile, but no
- * default key, it's not worth trying to associate again.
- */
- if (iwm->default_key < 0)
- return 0;
-
- /*
- * Here we have an active profile, but a key setting changed.
- * We thus have to invalidate the current profile, and push the
- * new one. Keys will be pushed when association takes place.
- */
- ret = iwm_invalidate_mlme_profile(iwm);
- if (ret < 0) {
- IWM_ERR(iwm, "Couldn't invalidate profile\n");
- return ret;
- }
-
- return iwm_send_mlme_profile(iwm);
-}
-
static int iwm_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev,
u8 key_index, const u8 *mac_addr,
struct key_params *params)
return ret;
}
- /*
- * The WEP keys can be set before or after setting the essid.
- * We need to handle both cases by simply pushing the keys after
- * we send the profile.
- * If the profile is not set yet (i.e. we're pushing keys before
- * the essid), we set the cipher appropriately.
- * If the profile is set, we havent associated yet because our
- * cipher was incorrectly set. So we invalidate and send the
- * profile again.
- */
- if (key->cipher == WLAN_CIPHER_SUITE_WEP40 ||
- key->cipher == WLAN_CIPHER_SUITE_WEP104) {
- u8 *ucast_cipher = &iwm->umac_profile->sec.ucast_cipher;
- u8 *mcast_cipher = &iwm->umac_profile->sec.mcast_cipher;
-
- IWM_DBG_WEXT(iwm, DBG, "WEP key\n");
-
- if (key->cipher == WLAN_CIPHER_SUITE_WEP40)
- *ucast_cipher = *mcast_cipher = UMAC_CIPHER_TYPE_WEP_40;
- if (key->cipher == WLAN_CIPHER_SUITE_WEP104)
- *ucast_cipher = *mcast_cipher =
- UMAC_CIPHER_TYPE_WEP_104;
-
- return iwm_reset_profile(iwm);
- }
-
return iwm_set_key(iwm, 0, key);
}
if (key_index == iwm->default_key)
iwm->default_key = -1;
- /* If the interface is down, we just cache this */
- if (!test_bit(IWM_STATUS_READY, &iwm->status))
- return 0;
-
return iwm_set_key(iwm, 1, key);
}
u8 key_index)
{
struct iwm_priv *iwm = ndev_to_iwm(ndev);
- int ret;
IWM_DBG_WEXT(iwm, DBG, "Default key index is: %d\n", key_index);
iwm->default_key = key_index;
- /* If the interface is down, we just cache this */
- if (!test_bit(IWM_STATUS_READY, &iwm->status))
- return 0;
+ return iwm_set_tx_key(iwm, key_index);
+}
- ret = iwm_set_tx_key(iwm, key_index);
- if (ret < 0)
- return ret;
+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;
- return iwm_reset_profile(iwm);
+ if (test_bit(IWM_STATUS_ASSOCIATED, &iwm->status)) {
+ sinfo->filled |= STATION_INFO_SIGNAL;
+ sinfo->signal = iwm->wstats.qual.level;
+ }
+
+ return 0;
}
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;
}
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)
{
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