+ if (sme->bssid) {
+ bss = cfg80211_get_bss(wiphy, sme->channel, sme->bssid,
+ sme->ssid, sme->ssid_len,
+ WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS);
+ } else {
+ /*
+ * Here we have an impedance mismatch. The firmware command
+ * CMD_802_11_ASSOCIATE always needs a BSSID, it cannot
+ * connect otherwise. However, for the connect-API of
+ * cfg80211 the bssid is purely optional. We don't get one,
+ * except the user specifies one on the "iw" command line.
+ *
+ * If we don't got one, we could initiate a scan and look
+ * for the best matching cfg80211_bss entry.
+ *
+ * Or, better yet, net/wireless/sme.c get's rewritten into
+ * something more generally useful.
+ */
+ lbs_pr_err("TODO: no BSS specified\n");
+ ret = -ENOTSUPP;
+ goto done;
+ }
+
+
+ if (!bss) {
+ lbs_pr_err("assicate: bss %pM not in scan results\n",
+ sme->bssid);
+ ret = -ENOENT;
+ goto done;
+ }
+ lbs_deb_assoc("trying %pM", sme->bssid);
+ lbs_deb_assoc("cipher 0x%x, key index %d, key len %d\n",
+ sme->crypto.cipher_group,
+ sme->key_idx, sme->key_len);
+
+ /* As this is a new connection, clear locally stored WEP keys */
+ priv->wep_tx_key = 0;
+ memset(priv->wep_key, 0, sizeof(priv->wep_key));
+ memset(priv->wep_key_len, 0, sizeof(priv->wep_key_len));
+
+ /* set/remove WEP keys */
+ switch (sme->crypto.cipher_group) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ /* Store provided WEP keys in priv-> */
+ priv->wep_tx_key = sme->key_idx;
+ priv->wep_key_len[sme->key_idx] = sme->key_len;
+ memcpy(priv->wep_key[sme->key_idx], sme->key, sme->key_len);
+ /* Set WEP keys and WEP mode */
+ lbs_set_wep_keys(priv);
+ priv->mac_control |= CMD_ACT_MAC_WEP_ENABLE;
+ lbs_set_mac_control(priv);
+ /* No RSN mode for WEP */
+ lbs_enable_rsn(priv, 0);
+ break;
+ case 0: /* there's no WLAN_CIPHER_SUITE_NONE definition */
+ /*
+ * If we don't have no WEP, no WPA and no WPA2,
+ * we remove all keys like in the WPA/WPA2 setup,
+ * we just don't set RSN.
+ *
+ * Therefore: fall-throught
+ */
+ case WLAN_CIPHER_SUITE_TKIP:
+ case WLAN_CIPHER_SUITE_CCMP:
+ /* Remove WEP keys and WEP mode */
+ lbs_remove_wep_keys(priv);
+ priv->mac_control &= ~CMD_ACT_MAC_WEP_ENABLE;
+ lbs_set_mac_control(priv);
+
+ /* clear the WPA/WPA2 keys */
+ lbs_set_key_material(priv,
+ KEY_TYPE_ID_WEP, /* doesn't matter */
+ KEY_INFO_WPA_UNICAST,
+ NULL, 0);
+ lbs_set_key_material(priv,
+ KEY_TYPE_ID_WEP, /* doesn't matter */
+ KEY_INFO_WPA_MCAST,
+ NULL, 0);
+ /* RSN mode for WPA/WPA2 */
+ lbs_enable_rsn(priv, sme->crypto.cipher_group != 0);
+ break;
+ default:
+ lbs_pr_err("unsupported cipher group 0x%x\n",
+ sme->crypto.cipher_group);
+ ret = -ENOTSUPP;
+ goto done;
+ }
+
+ lbs_set_authtype(priv, sme);
+ lbs_set_radio(priv, preamble, 1);
+
+ /* Do the actual association */
+ lbs_associate(priv, bss, sme);
+
+ done:
+ if (bss)
+ cfg80211_put_bss(bss);
+ lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
+ return ret;
+}
+
+static int lbs_cfg_disconnect(struct wiphy *wiphy, struct net_device *dev,
+ u16 reason_code)
+{
+ struct lbs_private *priv = wiphy_priv(wiphy);
+ struct cmd_ds_802_11_deauthenticate cmd;
+
+ lbs_deb_enter_args(LBS_DEB_CFG80211, "reason_code %d", reason_code);
+
+ /* store for lbs_cfg_ret_disconnect() */
+ priv->disassoc_reason = reason_code;
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+ /* Mildly ugly to use a locally store my own BSSID ... */
+ memcpy(cmd.macaddr, &priv->assoc_bss, ETH_ALEN);
+ cmd.reasoncode = cpu_to_le16(reason_code);
+
+ if (lbs_cmd_with_response(priv, CMD_802_11_DEAUTHENTICATE, &cmd))
+ return -EFAULT;
+
+ cfg80211_disconnected(priv->dev,
+ priv->disassoc_reason,
+ NULL, 0,
+ GFP_KERNEL);
+ priv->connect_status = LBS_DISCONNECTED;
+
+ return 0;
+}
+
+
+static int lbs_cfg_set_default_key(struct wiphy *wiphy,
+ struct net_device *netdev,
+ u8 key_index)
+{
+ struct lbs_private *priv = wiphy_priv(wiphy);
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ if (key_index != priv->wep_tx_key) {
+ lbs_deb_assoc("set_default_key: to %d\n", key_index);
+ priv->wep_tx_key = key_index;
+ lbs_set_wep_keys(priv);
+ }
+
+ return 0;
+}
+
+
+static int lbs_cfg_add_key(struct wiphy *wiphy, struct net_device *netdev,
+ u8 idx, const u8 *mac_addr,
+ struct key_params *params)
+{
+ struct lbs_private *priv = wiphy_priv(wiphy);
+ u16 key_info;
+ u16 key_type;
+ int ret = 0;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ lbs_deb_assoc("add_key: cipher 0x%x, mac_addr %pM\n",
+ params->cipher, mac_addr);
+ lbs_deb_assoc("add_key: key index %d, key len %d\n",
+ idx, params->key_len);
+ if (params->key_len)
+ lbs_deb_hex(LBS_DEB_CFG80211, "KEY",
+ params->key, params->key_len);
+
+ lbs_deb_assoc("add_key: seq len %d\n", params->seq_len);
+ if (params->seq_len)
+ lbs_deb_hex(LBS_DEB_CFG80211, "SEQ",
+ params->seq, params->seq_len);
+
+ switch (params->cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ case WLAN_CIPHER_SUITE_WEP104:
+ /* actually compare if something has changed ... */
+ if ((priv->wep_key_len[idx] != params->key_len) ||
+ memcmp(priv->wep_key[idx],
+ params->key, params->key_len) != 0) {
+ priv->wep_key_len[idx] = params->key_len;
+ memcpy(priv->wep_key[idx],
+ params->key, params->key_len);
+ lbs_set_wep_keys(priv);
+ }
+ break;
+ case WLAN_CIPHER_SUITE_TKIP:
+ case WLAN_CIPHER_SUITE_CCMP:
+ key_info = KEY_INFO_WPA_ENABLED | ((idx == 0)
+ ? KEY_INFO_WPA_UNICAST
+ : KEY_INFO_WPA_MCAST);
+ key_type = (params->cipher == WLAN_CIPHER_SUITE_TKIP)
+ ? KEY_TYPE_ID_TKIP
+ : KEY_TYPE_ID_AES;
+ lbs_set_key_material(priv,
+ key_type,
+ key_info,
+ params->key, params->key_len);
+ break;
+ default:
+ lbs_pr_err("unhandled cipher 0x%x\n", params->cipher);
+ ret = -ENOTSUPP;
+ break;
+ }
+
+ return ret;
+}
+
+
+static int lbs_cfg_del_key(struct wiphy *wiphy, struct net_device *netdev,
+ u8 key_index, const u8 *mac_addr)
+{
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ lbs_deb_assoc("del_key: key_idx %d, mac_addr %pM\n",
+ key_index, mac_addr);
+
+#ifdef TODO
+ struct lbs_private *priv = wiphy_priv(wiphy);
+ /*
+ * I think can keep this a NO-OP, because:
+
+ * - we clear all keys whenever we do lbs_cfg_connect() anyway
+ * - neither "iw" nor "wpa_supplicant" won't call this during
+ * an ongoing connection
+ * - TODO: but I have to check if this is still true when
+ * I set the AP to periodic re-keying
+ * - we've not kzallec() something when we've added a key at
+ * lbs_cfg_connect() or lbs_cfg_add_key().
+ *
+ * This causes lbs_cfg_del_key() only called at disconnect time,
+ * where we'd just waste time deleting a key that is not going
+ * to be used anyway.
+ */
+ if (key_index < 3 && priv->wep_key_len[key_index]) {
+ priv->wep_key_len[key_index] = 0;
+ lbs_set_wep_keys(priv);
+ }
+#endif
+
+ return 0;
+}
+
+
+/***************************************************************************
+ * Get station
+ */
+
+static int lbs_cfg_get_station(struct wiphy *wiphy, struct net_device *dev,
+ u8 *mac, struct station_info *sinfo)
+{
+ struct lbs_private *priv = wiphy_priv(wiphy);
+ s8 signal, noise;
+ int ret;
+ size_t i;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ sinfo->filled |= STATION_INFO_TX_BYTES |
+ STATION_INFO_TX_PACKETS |
+ STATION_INFO_RX_BYTES |
+ STATION_INFO_RX_PACKETS;
+ sinfo->tx_bytes = priv->dev->stats.tx_bytes;
+ sinfo->tx_packets = priv->dev->stats.tx_packets;
+ sinfo->rx_bytes = priv->dev->stats.rx_bytes;
+ sinfo->rx_packets = priv->dev->stats.rx_packets;
+
+ /* Get current RSSI */
+ ret = lbs_get_rssi(priv, &signal, &noise);
+ if (ret == 0) {
+ sinfo->signal = signal;
+ sinfo->filled |= STATION_INFO_SIGNAL;
+ }
+
+ /* Convert priv->cur_rate from hw_value to NL80211 value */
+ for (i = 0; i < ARRAY_SIZE(lbs_rates); i++) {
+ if (priv->cur_rate == lbs_rates[i].hw_value) {
+ sinfo->txrate.legacy = lbs_rates[i].bitrate;
+ sinfo->filled |= STATION_INFO_TX_BITRATE;
+ break;
+ }
+ }
+
+ return 0;
+}
+
+
+
+
+/***************************************************************************
+ * "Site survey", here just current channel and noise level
+ */
+
+static int lbs_get_survey(struct wiphy *wiphy, struct net_device *dev,
+ int idx, struct survey_info *survey)
+{
+ struct lbs_private *priv = wiphy_priv(wiphy);
+ s8 signal, noise;
+ int ret;
+
+ if (idx != 0)
+ ret = -ENOENT;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ survey->channel = ieee80211_get_channel(wiphy,
+ ieee80211_channel_to_frequency(priv->channel));
+
+ ret = lbs_get_rssi(priv, &signal, &noise);
+ if (ret == 0) {
+ survey->filled = SURVEY_INFO_NOISE_DBM;
+ survey->noise = noise;
+ }
+
+ lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
+ return ret;
+}
+
+
+
+
+/***************************************************************************
+ * Change interface
+ */
+
+static int lbs_change_intf(struct wiphy *wiphy, struct net_device *dev,
+ enum nl80211_iftype type, u32 *flags,
+ struct vif_params *params)
+{
+ struct lbs_private *priv = wiphy_priv(wiphy);
+ int ret = 0;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ switch (type) {
+ case NL80211_IFTYPE_MONITOR:
+ ret = lbs_set_monitor_mode(priv, 1);
+ break;
+ case NL80211_IFTYPE_STATION:
+ if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR)
+ ret = lbs_set_monitor_mode(priv, 0);
+ if (!ret)
+ ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_BSS_TYPE, 1);
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR)
+ ret = lbs_set_monitor_mode(priv, 0);
+ if (!ret)
+ ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_BSS_TYPE, 2);
+ break;
+ default:
+ ret = -ENOTSUPP;
+ }
+
+ if (!ret)
+ priv->wdev->iftype = type;
+
+ lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
+ return ret;
+}
+
+
+
+/***************************************************************************
+ * IBSS (Ad-Hoc)
+ */
+
+/* The firmware needs the following bits masked out of the beacon-derived
+ * capability field when associating/joining to a BSS:
+ * 9 (QoS), 11 (APSD), 12 (unused), 14 (unused), 15 (unused)
+ */
+#define CAPINFO_MASK (~(0xda00))
+
+
+static void lbs_join_post(struct lbs_private *priv,
+ struct cfg80211_ibss_params *params,
+ u8 *bssid, u16 capability)
+{
+ u8 fake_ie[2 + IEEE80211_MAX_SSID_LEN + /* ssid */
+ 2 + 4 + /* basic rates */
+ 2 + 1 + /* DS parameter */
+ 2 + 2 + /* atim */
+ 2 + 8]; /* extended rates */
+ u8 *fake = fake_ie;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ /*
+ * For cfg80211_inform_bss, we'll need a fake IE, as we can't get
+ * the real IE from the firmware. So we fabricate a fake IE based on
+ * what the firmware actually sends (sniffed with wireshark).
+ */
+ /* Fake SSID IE */
+ *fake++ = WLAN_EID_SSID;
+ *fake++ = params->ssid_len;
+ memcpy(fake, params->ssid, params->ssid_len);
+ fake += params->ssid_len;
+ /* Fake supported basic rates IE */
+ *fake++ = WLAN_EID_SUPP_RATES;
+ *fake++ = 4;
+ *fake++ = 0x82;
+ *fake++ = 0x84;
+ *fake++ = 0x8b;
+ *fake++ = 0x96;
+ /* Fake DS channel IE */
+ *fake++ = WLAN_EID_DS_PARAMS;
+ *fake++ = 1;
+ *fake++ = params->channel->hw_value;
+ /* Fake IBSS params IE */
+ *fake++ = WLAN_EID_IBSS_PARAMS;
+ *fake++ = 2;
+ *fake++ = 0; /* ATIM=0 */
+ *fake++ = 0;
+ /* Fake extended rates IE, TODO: don't add this for 802.11b only,
+ * but I don't know how this could be checked */
+ *fake++ = WLAN_EID_EXT_SUPP_RATES;
+ *fake++ = 8;
+ *fake++ = 0x0c;
+ *fake++ = 0x12;
+ *fake++ = 0x18;
+ *fake++ = 0x24;
+ *fake++ = 0x30;
+ *fake++ = 0x48;
+ *fake++ = 0x60;
+ *fake++ = 0x6c;
+ lbs_deb_hex(LBS_DEB_CFG80211, "IE", fake_ie, fake - fake_ie);
+
+ cfg80211_inform_bss(priv->wdev->wiphy,
+ params->channel,
+ bssid,
+ 0,
+ capability,
+ params->beacon_interval,
+ fake_ie, fake - fake_ie,
+ 0, GFP_KERNEL);
+
+ memcpy(priv->wdev->ssid, params->ssid, params->ssid_len);
+ priv->wdev->ssid_len = params->ssid_len;
+
+ cfg80211_ibss_joined(priv->dev, bssid, GFP_KERNEL);
+
+ /* TODO: consider doing this at MACREG_INT_CODE_LINK_SENSED time */
+ priv->connect_status = LBS_CONNECTED;
+ netif_carrier_on(priv->dev);
+ if (!priv->tx_pending_len)
+ netif_wake_queue(priv->dev);
+
+ lbs_deb_leave(LBS_DEB_CFG80211);
+}
+
+static int lbs_ibss_join_existing(struct lbs_private *priv,
+ struct cfg80211_ibss_params *params,
+ struct cfg80211_bss *bss)
+{
+ const u8 *rates_eid = ieee80211_bss_get_ie(bss, WLAN_EID_SUPP_RATES);
+ struct cmd_ds_802_11_ad_hoc_join cmd;
+ u8 preamble = RADIO_PREAMBLE_SHORT;
+ int ret = 0;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ /* TODO: set preamble based on scan result */
+ ret = lbs_set_radio(priv, preamble, 1);
+ if (ret)
+ goto out;
+
+ /*
+ * Example CMD_802_11_AD_HOC_JOIN command:
+ *
+ * command 2c 00 CMD_802_11_AD_HOC_JOIN
+ * size 65 00
+ * sequence xx xx
+ * result 00 00
+ * bssid 02 27 27 97 2f 96
+ * ssid 49 42 53 53 00 00 00 00
+ * 00 00 00 00 00 00 00 00
+ * 00 00 00 00 00 00 00 00
+ * 00 00 00 00 00 00 00 00
+ * type 02 CMD_BSS_TYPE_IBSS
+ * beacon period 64 00
+ * dtim period 00
+ * timestamp 00 00 00 00 00 00 00 00
+ * localtime 00 00 00 00 00 00 00 00
+ * IE DS 03
+ * IE DS len 01
+ * IE DS channel 01
+ * reserveed 00 00 00 00
+ * IE IBSS 06
+ * IE IBSS len 02
+ * IE IBSS atim 00 00
+ * reserved 00 00 00 00
+ * capability 02 00
+ * rates 82 84 8b 96 0c 12 18 24 30 48 60 6c 00
+ * fail timeout ff 00
+ * probe delay 00 00
+ */
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+
+ memcpy(cmd.bss.bssid, bss->bssid, ETH_ALEN);
+ memcpy(cmd.bss.ssid, params->ssid, params->ssid_len);
+ cmd.bss.type = CMD_BSS_TYPE_IBSS;
+ cmd.bss.beaconperiod = cpu_to_le16(params->beacon_interval);
+ cmd.bss.ds.header.id = WLAN_EID_DS_PARAMS;
+ cmd.bss.ds.header.len = 1;
+ cmd.bss.ds.channel = params->channel->hw_value;
+ cmd.bss.ibss.header.id = WLAN_EID_IBSS_PARAMS;
+ cmd.bss.ibss.header.len = 2;
+ cmd.bss.ibss.atimwindow = 0;
+ cmd.bss.capability = cpu_to_le16(bss->capability & CAPINFO_MASK);
+
+ /* set rates to the intersection of our rates and the rates in the
+ bss */
+ if (!rates_eid) {
+ lbs_add_rates(cmd.bss.rates);
+ } else {
+ int hw, i;
+ u8 rates_max = rates_eid[1];
+ u8 *rates = cmd.bss.rates;
+ for (hw = 0; hw < ARRAY_SIZE(lbs_rates); hw++) {
+ u8 hw_rate = lbs_rates[hw].bitrate / 5;
+ for (i = 0; i < rates_max; i++) {
+ if (hw_rate == (rates_eid[i+2] & 0x7f)) {
+ u8 rate = rates_eid[i+2];
+ if (rate == 0x02 || rate == 0x04 ||
+ rate == 0x0b || rate == 0x16)
+ rate |= 0x80;
+ *rates++ = rate;
+ }
+ }
+ }
+ }
+
+ /* Only v8 and below support setting this */
+ if (MRVL_FW_MAJOR_REV(priv->fwrelease) <= 8) {
+ cmd.failtimeout = cpu_to_le16(MRVDRV_ASSOCIATION_TIME_OUT);
+ cmd.probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
+ }
+ ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_JOIN, &cmd);
+ if (ret)
+ goto out;
+
+ /*
+ * This is a sample response to CMD_802_11_AD_HOC_JOIN:
+ *
+ * response 2c 80
+ * size 09 00
+ * sequence xx xx
+ * result 00 00
+ * reserved 00
+ */
+ lbs_join_post(priv, params, bss->bssid, bss->capability);
+
+ out:
+ lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
+ return ret;
+}
+
+
+
+static int lbs_ibss_start_new(struct lbs_private *priv,
+ struct cfg80211_ibss_params *params)
+{
+ struct cmd_ds_802_11_ad_hoc_start cmd;
+ struct cmd_ds_802_11_ad_hoc_result *resp =
+ (struct cmd_ds_802_11_ad_hoc_result *) &cmd;
+ u8 preamble = RADIO_PREAMBLE_SHORT;
+ int ret = 0;
+ u16 capability;
+
+ lbs_deb_enter(LBS_DEB_CFG80211);
+
+ ret = lbs_set_radio(priv, preamble, 1);
+ if (ret)
+ goto out;
+
+ /*
+ * Example CMD_802_11_AD_HOC_START command:
+ *
+ * command 2b 00 CMD_802_11_AD_HOC_START
+ * size b1 00
+ * sequence xx xx
+ * result 00 00
+ * ssid 54 45 53 54 00 00 00 00
+ * 00 00 00 00 00 00 00 00
+ * 00 00 00 00 00 00 00 00
+ * 00 00 00 00 00 00 00 00
+ * bss type 02
+ * beacon period 64 00
+ * dtim period 00
+ * IE IBSS 06
+ * IE IBSS len 02
+ * IE IBSS atim 00 00
+ * reserved 00 00 00 00
+ * IE DS 03
+ * IE DS len 01
+ * IE DS channel 01
+ * reserved 00 00 00 00
+ * probe delay 00 00
+ * capability 02 00
+ * rates 82 84 8b 96 (basic rates with have bit 7 set)
+ * 0c 12 18 24 30 48 60 6c
+ * padding 100 bytes
+ */
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+ memcpy(cmd.ssid, params->ssid, params->ssid_len);
+ cmd.bsstype = CMD_BSS_TYPE_IBSS;
+ cmd.beaconperiod = cpu_to_le16(params->beacon_interval);
+ cmd.ibss.header.id = WLAN_EID_IBSS_PARAMS;
+ cmd.ibss.header.len = 2;
+ cmd.ibss.atimwindow = 0;
+ cmd.ds.header.id = WLAN_EID_DS_PARAMS;
+ cmd.ds.header.len = 1;
+ cmd.ds.channel = params->channel->hw_value;
+ /* Only v8 and below support setting probe delay */
+ if (MRVL_FW_MAJOR_REV(priv->fwrelease) <= 8)
+ cmd.probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
+ /* TODO: mix in WLAN_CAPABILITY_PRIVACY */
+ capability = WLAN_CAPABILITY_IBSS;
+ cmd.capability = cpu_to_le16(capability);
+ lbs_add_rates(cmd.rates);
+
+
+ ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_START, &cmd);
+ if (ret)