+int lbs_cmd_802_11_set_wep(struct lbs_private *priv, uint16_t cmd_action,
+ struct assoc_request *assoc)
+{
+ struct cmd_ds_802_11_set_wep cmd;
+ int ret = 0;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.hdr.command = cpu_to_le16(CMD_802_11_SET_WEP);
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+
+ cmd.action = cpu_to_le16(cmd_action);
+
+ if (cmd_action == CMD_ACT_ADD) {
+ int i;
+
+ /* default tx key index */
+ cmd.keyindex = cpu_to_le16(assoc->wep_tx_keyidx &
+ CMD_WEP_KEY_INDEX_MASK);
+
+ /* Copy key types and material to host command structure */
+ for (i = 0; i < 4; i++) {
+ struct enc_key *pkey = &assoc->wep_keys[i];
+
+ switch (pkey->len) {
+ case KEY_LEN_WEP_40:
+ cmd.keytype[i] = CMD_TYPE_WEP_40_BIT;
+ memmove(cmd.keymaterial[i], pkey->key, pkey->len);
+ lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i);
+ break;
+ case KEY_LEN_WEP_104:
+ cmd.keytype[i] = CMD_TYPE_WEP_104_BIT;
+ memmove(cmd.keymaterial[i], pkey->key, pkey->len);
+ lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i);
+ break;
+ case 0:
+ break;
+ default:
+ lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n",
+ i, pkey->len);
+ ret = -1;
+ goto done;
+ break;
+ }
+ }
+ } else if (cmd_action == CMD_ACT_REMOVE) {
+ /* ACT_REMOVE clears _all_ WEP keys */
+
+ /* default tx key index */
+ cmd.keyindex = cpu_to_le16(priv->wep_tx_keyidx &
+ CMD_WEP_KEY_INDEX_MASK);
+ lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx);
+ }
+
+ ret = lbs_cmd_with_response(priv, CMD_802_11_SET_WEP, &cmd);
+done:
+ lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+ return ret;
+}
+
+int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, uint16_t cmd_action,
+ uint16_t *enable)
+{
+ struct cmd_ds_802_11_enable_rsn cmd;
+ int ret;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+ cmd.action = cpu_to_le16(cmd_action);
+
+ if (cmd_action == CMD_ACT_GET)
+ cmd.enable = 0;
+ else {
+ if (*enable)
+ cmd.enable = cpu_to_le16(CMD_ENABLE_RSN);
+ else
+ cmd.enable = cpu_to_le16(CMD_DISABLE_RSN);
+ lbs_deb_cmd("ENABLE_RSN: %d\n", *enable);
+ }
+
+ ret = lbs_cmd_with_response(priv, CMD_802_11_ENABLE_RSN, &cmd);
+ if (!ret && cmd_action == CMD_ACT_GET)
+ *enable = le16_to_cpu(cmd.enable);
+
+ lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+ return ret;
+}
+
+static void set_one_wpa_key(struct MrvlIEtype_keyParamSet *keyparam,
+ struct enc_key *key)
+{
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ if (key->flags & KEY_INFO_WPA_ENABLED)
+ keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED);
+ if (key->flags & KEY_INFO_WPA_UNICAST)
+ keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST);
+ if (key->flags & KEY_INFO_WPA_MCAST)
+ keyparam->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST);
+
+ keyparam->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL);
+ keyparam->keytypeid = cpu_to_le16(key->type);
+ keyparam->keylen = cpu_to_le16(key->len);
+ memcpy(keyparam->key, key->key, key->len);
+
+ /* Length field doesn't include the {type,length} header */
+ keyparam->length = cpu_to_le16(sizeof(*keyparam) - 4);
+ lbs_deb_leave(LBS_DEB_CMD);
+}
+
+int lbs_cmd_802_11_key_material(struct lbs_private *priv, uint16_t cmd_action,
+ struct assoc_request *assoc)
+{
+ struct cmd_ds_802_11_key_material cmd;
+ int ret = 0;
+ int index = 0;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ cmd.action = cpu_to_le16(cmd_action);
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+
+ if (cmd_action == CMD_ACT_GET) {
+ cmd.hdr.size = cpu_to_le16(S_DS_GEN + 2);
+ } else {
+ memset(cmd.keyParamSet, 0, sizeof(cmd.keyParamSet));
+
+ if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc->flags)) {
+ set_one_wpa_key(&cmd.keyParamSet[index],
+ &assoc->wpa_unicast_key);
+ index++;
+ }
+
+ if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc->flags)) {
+ set_one_wpa_key(&cmd.keyParamSet[index],
+ &assoc->wpa_mcast_key);
+ index++;
+ }
+
+ /* The common header and as many keys as we included */
+ cmd.hdr.size = cpu_to_le16(offsetof(typeof(cmd),
+ keyParamSet[index]));
+ }
+ ret = lbs_cmd_with_response(priv, CMD_802_11_KEY_MATERIAL, &cmd);
+ /* Copy the returned key to driver private data */
+ if (!ret && cmd_action == CMD_ACT_GET) {
+ void *buf_ptr = cmd.keyParamSet;
+ void *resp_end = &(&cmd)[1];
+
+ while (buf_ptr < resp_end) {
+ struct MrvlIEtype_keyParamSet *keyparam = buf_ptr;
+ struct enc_key *key;
+ uint16_t param_set_len = le16_to_cpu(keyparam->length);
+ uint16_t key_len = le16_to_cpu(keyparam->keylen);
+ uint16_t key_flags = le16_to_cpu(keyparam->keyinfo);
+ uint16_t key_type = le16_to_cpu(keyparam->keytypeid);
+ void *end;
+
+ end = (void *)keyparam + sizeof(keyparam->type)
+ + sizeof(keyparam->length) + param_set_len;
+
+ /* Make sure we don't access past the end of the IEs */
+ if (end > resp_end)
+ break;
+
+ if (key_flags & KEY_INFO_WPA_UNICAST)
+ key = &priv->wpa_unicast_key;
+ else if (key_flags & KEY_INFO_WPA_MCAST)
+ key = &priv->wpa_mcast_key;
+ else
+ break;
+
+ /* Copy returned key into driver */
+ memset(key, 0, sizeof(struct enc_key));
+ if (key_len > sizeof(key->key))
+ break;
+ key->type = key_type;
+ key->flags = key_flags;
+ key->len = key_len;
+ memcpy(key->key, keyparam->key, key->len);
+
+ buf_ptr = end + 1;
+ }
+ }
+
+ lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+ return ret;
+}
+
+static __le16 lbs_rate_to_fw_bitmap(int rate, int lower_rates_ok)
+{
+/* Bit Rate
+* 15:13 Reserved
+* 12 54 Mbps
+* 11 48 Mbps
+* 10 36 Mbps
+* 9 24 Mbps
+* 8 18 Mbps
+* 7 12 Mbps
+* 6 9 Mbps
+* 5 6 Mbps
+* 4 Reserved
+* 3 11 Mbps
+* 2 5.5 Mbps
+* 1 2 Mbps
+* 0 1 Mbps
+**/
+
+ uint16_t ratemask;
+ int i = lbs_data_rate_to_fw_index(rate);
+ if (lower_rates_ok)
+ ratemask = (0x1fef >> (12 - i));
+ else
+ ratemask = (1 << i);
+ return cpu_to_le16(ratemask);
+}
+
+int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
+ uint16_t cmd_action)
+{
+ struct cmd_ds_802_11_rate_adapt_rateset cmd;
+ int ret;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ if (!priv->cur_rate && !priv->enablehwauto)
+ return -EINVAL;
+
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+
+ cmd.action = cpu_to_le16(cmd_action);
+ cmd.enablehwauto = cpu_to_le16(priv->enablehwauto);
+ cmd.bitmap = lbs_rate_to_fw_bitmap(priv->cur_rate, priv->enablehwauto);
+ ret = lbs_cmd_with_response(priv, CMD_802_11_RATE_ADAPT_RATESET, &cmd);
+ if (!ret && cmd_action == CMD_ACT_GET) {
+ priv->ratebitmap = le16_to_cpu(cmd.bitmap);
+ priv->enablehwauto = le16_to_cpu(cmd.enablehwauto);
+ }
+
+ lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+ return ret;
+}
+
+/**
+ * @brief Set the data rate
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @param rate The desired data rate, or 0 to clear a locked rate
+ *
+ * @return 0 on success, error on failure
+ */
+int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
+{
+ struct cmd_ds_802_11_data_rate cmd;
+ int ret = 0;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ memset(&cmd, 0, sizeof(cmd));
+ cmd.hdr.size = cpu_to_le16(sizeof(cmd));
+
+ if (rate > 0) {
+ cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
+ cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
+ if (cmd.rates[0] == 0) {
+ lbs_deb_cmd("DATA_RATE: invalid requested rate of"
+ " 0x%02X\n", rate);
+ ret = 0;
+ goto out;
+ }
+ lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
+ } else {
+ cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
+ lbs_deb_cmd("DATA_RATE: setting auto\n");
+ }
+
+ ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, &cmd);
+ if (ret)
+ goto out;
+
+ lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof(cmd));
+
+ /* FIXME: get actual rates FW can do if this command actually returns
+ * all data rates supported.
+ */
+ priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
+ lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
+
+out:
+ lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
+ return ret;
+}
+
+
+int lbs_cmd_802_11_rssi(struct lbs_private *priv,
+ struct cmd_ds_command *cmd)
+{
+
+ lbs_deb_enter(LBS_DEB_CMD);
+ cmd->command = cpu_to_le16(CMD_802_11_RSSI);
+ cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN);
+ cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR);
+
+ /* reset Beacon SNR/NF/RSSI values */
+ priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0;
+ priv->SNR[TYPE_BEACON][TYPE_AVG] = 0;
+ priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0;
+ priv->NF[TYPE_BEACON][TYPE_AVG] = 0;
+ priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0;
+ priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0;
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+int lbs_ret_802_11_rssi(struct lbs_private *priv,
+ struct cmd_ds_command *resp)
+{
+ struct cmd_ds_802_11_rssi_rsp *rssirsp = &resp->params.rssirsp;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ /* store the non average value */
+ priv->SNR[TYPE_BEACON][TYPE_NOAVG] = get_unaligned_le16(&rssirsp->SNR);
+ priv->NF[TYPE_BEACON][TYPE_NOAVG] =
+ get_unaligned_le16(&rssirsp->noisefloor);
+
+ priv->SNR[TYPE_BEACON][TYPE_AVG] = get_unaligned_le16(&rssirsp->avgSNR);
+ priv->NF[TYPE_BEACON][TYPE_AVG] =
+ get_unaligned_le16(&rssirsp->avgnoisefloor);
+
+ priv->RSSI[TYPE_BEACON][TYPE_NOAVG] =
+ CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_NOAVG],
+ priv->NF[TYPE_BEACON][TYPE_NOAVG]);
+
+ priv->RSSI[TYPE_BEACON][TYPE_AVG] =
+ CAL_RSSI(priv->SNR[TYPE_BEACON][TYPE_AVG] / AVG_SCALE,
+ priv->NF[TYPE_BEACON][TYPE_AVG] / AVG_SCALE);
+
+ lbs_deb_cmd("RSSI: beacon %d, avg %d\n",
+ priv->RSSI[TYPE_BEACON][TYPE_NOAVG],
+ priv->RSSI[TYPE_BEACON][TYPE_AVG]);
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+
+int lbs_cmd_bcn_ctrl(struct lbs_private *priv,
+ struct cmd_ds_command *cmd,
+ u16 cmd_action)
+{
+ struct cmd_ds_802_11_beacon_control
+ *bcn_ctrl = &cmd->params.bcn_ctrl;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+ cmd->size =
+ cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control)
+ + S_DS_GEN);
+ cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL);
+
+ bcn_ctrl->action = cpu_to_le16(cmd_action);
+ bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable);
+ bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period);
+
+ lbs_deb_leave(LBS_DEB_CMD);
+ return 0;
+}
+
+int lbs_ret_802_11_bcn_ctrl(struct lbs_private *priv,
+ struct cmd_ds_command *resp)
+{
+ struct cmd_ds_802_11_beacon_control *bcn_ctrl =
+ &resp->params.bcn_ctrl;
+
+ lbs_deb_enter(LBS_DEB_CMD);
+
+ if (bcn_ctrl->action == CMD_ACT_GET) {
+ priv->beacon_enable = (u8) le16_to_cpu(bcn_ctrl->beacon_enable);
+ priv->beacon_period = le16_to_cpu(bcn_ctrl->beacon_period);
+ }
+
+ lbs_deb_enter(LBS_DEB_CMD);
+ return 0;
+}
+
+
+
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff