Exemplo n.º 1
0
static void iwlagn_update_qos(struct iwl_priv *priv,
			      struct iwl_rxon_context *ctx)
{
	int ret;

	if (!ctx->is_active)
		return;

	ctx->qos_data.def_qos_parm.qos_flags = 0;

	if (ctx->qos_data.qos_active)
		ctx->qos_data.def_qos_parm.qos_flags |=
			QOS_PARAM_FLG_UPDATE_EDCA_MSK;

	if (ctx->ht.enabled)
		ctx->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_TGN_MSK;

	IWL_DEBUG_QOS(priv, "send QoS cmd with Qos active=%d FLAGS=0x%X\n",
		      ctx->qos_data.qos_active,
		      ctx->qos_data.def_qos_parm.qos_flags);

	ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->qos_cmd, CMD_SYNC,
			       sizeof(struct iwl_qosparam_cmd),
			       &ctx->qos_data.def_qos_parm);
	if (ret)
		IWL_ERR(priv, "Failed to update QoS\n");
}
Exemplo n.º 2
0
static int iwlagn_disable_pan(struct iwl_priv *priv,
			      struct iwl_rxon_context *ctx,
			      struct iwl_rxon_cmd *send)
{
	struct iwl_notification_wait disable_wait;
	__le32 old_filter = send->filter_flags;
	u8 old_dev_type = send->dev_type;
	int ret;

	iwlagn_init_notification_wait(priv, &disable_wait,
				      REPLY_WIPAN_DEACTIVATION_COMPLETE,
				      NULL, NULL);

	send->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
	send->dev_type = RXON_DEV_TYPE_P2P;
	ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd,
				CMD_SYNC, sizeof(*send), send);

	send->filter_flags = old_filter;
	send->dev_type = old_dev_type;

	if (ret) {
		IWL_ERR(priv, "Error disabling PAN (%d)\n", ret);
		iwlagn_remove_notification(priv, &disable_wait);
	} else {
		ret = iwlagn_wait_notification(priv, &disable_wait, HZ);
		if (ret)
			IWL_ERR(priv, "Timed out waiting for PAN disable\n");
	}

	return ret;
}
Exemplo n.º 3
0
static int iwlagn_disconn_pan(struct iwl_priv *priv,
			      struct iwl_rxon_context *ctx,
			      struct iwl_rxon_cmd *send)
{
	__le32 old_filter = send->filter_flags;
	int ret;

	send->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
	ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd, CMD_SYNC,
				sizeof(*send), send);

	send->filter_flags = old_filter;

	return ret;
}
Exemplo n.º 4
0
static int iwl_set_power(struct iwl_priv *priv, struct iwl_powertable_cmd *cmd)
{
	IWL_DEBUG_POWER(priv, "Sending power/sleep command\n");
	IWL_DEBUG_POWER(priv, "Flags value = 0x%08X\n", cmd->flags);
	IWL_DEBUG_POWER(priv, "Tx timeout = %u\n", le32_to_cpu(cmd->tx_data_timeout));
	IWL_DEBUG_POWER(priv, "Rx timeout = %u\n", le32_to_cpu(cmd->rx_data_timeout));
	IWL_DEBUG_POWER(priv, "Sleep interval vector = { %d , %d , %d , %d , %d }\n",
			le32_to_cpu(cmd->sleep_interval[0]),
			le32_to_cpu(cmd->sleep_interval[1]),
			le32_to_cpu(cmd->sleep_interval[2]),
			le32_to_cpu(cmd->sleep_interval[3]),
			le32_to_cpu(cmd->sleep_interval[4]));

	return iwl_trans_send_cmd_pdu(trans(priv), POWER_TABLE_CMD, CMD_SYNC,
				sizeof(struct iwl_powertable_cmd), cmd);
}
Exemplo n.º 5
0
static int iwlagn_disable_bss(struct iwl_priv *priv,
			      struct iwl_rxon_context *ctx,
			      struct iwl_rxon_cmd *send)
{
	__le32 old_filter = send->filter_flags;
	int ret;

	send->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
	ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd,
				CMD_SYNC, sizeof(*send), send);

	send->filter_flags = old_filter;

	if (ret)
		IWL_ERR(priv, "Error clearing ASSOC_MSK on BSS (%d)\n", ret);

	return ret;
}
Exemplo n.º 6
0
static int iwlagn_send_rxon_assoc(struct iwl_priv *priv,
			   struct iwl_rxon_context *ctx)
{
	int ret = 0;
	struct iwl_rxon_assoc_cmd rxon_assoc;
	const struct iwl_rxon_cmd *rxon1 = &ctx->staging;
	const struct iwl_rxon_cmd *rxon2 = &ctx->active;

	if ((rxon1->flags == rxon2->flags) &&
	    (rxon1->filter_flags == rxon2->filter_flags) &&
	    (rxon1->cck_basic_rates == rxon2->cck_basic_rates) &&
	    (rxon1->ofdm_ht_single_stream_basic_rates ==
	     rxon2->ofdm_ht_single_stream_basic_rates) &&
	    (rxon1->ofdm_ht_dual_stream_basic_rates ==
	     rxon2->ofdm_ht_dual_stream_basic_rates) &&
	    (rxon1->ofdm_ht_triple_stream_basic_rates ==
	     rxon2->ofdm_ht_triple_stream_basic_rates) &&
	    (rxon1->acquisition_data == rxon2->acquisition_data) &&
	    (rxon1->rx_chain == rxon2->rx_chain) &&
	    (rxon1->ofdm_basic_rates == rxon2->ofdm_basic_rates)) {
		IWL_DEBUG_INFO(priv, "Using current RXON_ASSOC.  Not resending.\n");
		return 0;
	}

	rxon_assoc.flags = ctx->staging.flags;
	rxon_assoc.filter_flags = ctx->staging.filter_flags;
	rxon_assoc.ofdm_basic_rates = ctx->staging.ofdm_basic_rates;
	rxon_assoc.cck_basic_rates = ctx->staging.cck_basic_rates;
	rxon_assoc.reserved1 = 0;
	rxon_assoc.reserved2 = 0;
	rxon_assoc.reserved3 = 0;
	rxon_assoc.ofdm_ht_single_stream_basic_rates =
	    ctx->staging.ofdm_ht_single_stream_basic_rates;
	rxon_assoc.ofdm_ht_dual_stream_basic_rates =
	    ctx->staging.ofdm_ht_dual_stream_basic_rates;
	rxon_assoc.rx_chain_select_flags = ctx->staging.rx_chain;
	rxon_assoc.ofdm_ht_triple_stream_basic_rates =
		 ctx->staging.ofdm_ht_triple_stream_basic_rates;
	rxon_assoc.acquisition_data = ctx->staging.acquisition_data;

	ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_assoc_cmd,
				CMD_ASYNC, sizeof(rxon_assoc), &rxon_assoc);
	return ret;
}
Exemplo n.º 7
0
int iwlagn_send_tx_power(struct iwl_priv *priv)
{
    struct iwlagn_tx_power_dbm_cmd tx_power_cmd;
    u8 tx_ant_cfg_cmd;

    if (WARN_ONCE(test_bit(STATUS_SCAN_HW, &priv->shrd->status),
                  "TX Power requested while scanning!\n"))
        return -EAGAIN;

    /* half dBm need to multiply */
    tx_power_cmd.global_lmt = (s8)(2 * priv->tx_power_user_lmt);

    if (priv->tx_power_lmt_in_half_dbm &&
            priv->tx_power_lmt_in_half_dbm < tx_power_cmd.global_lmt) {
        /*
         * For the newer devices which using enhanced/extend tx power
         * table in EEPROM, the format is in half dBm. driver need to
         * convert to dBm format before report to mac80211.
         * By doing so, there is a possibility of 1/2 dBm resolution
         * lost. driver will perform "round-up" operation before
         * reporting, but it will cause 1/2 dBm tx power over the
         * regulatory limit. Perform the checking here, if the
         * "tx_power_user_lmt" is higher than EEPROM value (in
         * half-dBm format), lower the tx power based on EEPROM
         */
        tx_power_cmd.global_lmt = priv->tx_power_lmt_in_half_dbm;
    }
    tx_power_cmd.flags = IWLAGN_TX_POWER_NO_CLOSED;
    tx_power_cmd.srv_chan_lmt = IWLAGN_TX_POWER_AUTO;

    if (IWL_UCODE_API(priv->ucode_ver) == 1)
        tx_ant_cfg_cmd = REPLY_TX_POWER_DBM_CMD_V1;
    else
        tx_ant_cfg_cmd = REPLY_TX_POWER_DBM_CMD;

    return iwl_trans_send_cmd_pdu(trans(priv), tx_ant_cfg_cmd, CMD_SYNC,
                                  sizeof(tx_power_cmd), &tx_power_cmd);
}
Exemplo n.º 8
0
static int iwlagn_rxon_connect(struct iwl_priv *priv,
			       struct iwl_rxon_context *ctx)
{
	int ret;
	struct iwl_rxon_cmd *active = (void *)&ctx->active;

	/* RXON timing must be before associated RXON */
	if (ctx->ctxid == IWL_RXON_CTX_BSS) {
		ret = iwl_send_rxon_timing(priv, ctx);
		if (ret) {
			IWL_ERR(priv, "Failed to send timing (%d)!\n", ret);
			return ret;
		}
	}
	/* QoS info may be cleared by previous un-assoc RXON */
	iwlagn_update_qos(priv, ctx);

	/*
	 * We'll run into this code path when beaconing is
	 * enabled, but then we also need to send the beacon
	 * to the device.
	 */
	if (ctx->vif && (ctx->vif->type == NL80211_IFTYPE_AP)) {
		ret = iwlagn_update_beacon(priv, ctx->vif);
		if (ret) {
			IWL_ERR(priv,
				"Error sending required beacon (%d)!\n",
				ret);
			return ret;
		}
	}

	priv->start_calib = 0;
	/*
	 * Apply the new configuration.
	 *
	 * Associated RXON doesn't clear the station table in uCode,
	 * so we don't need to restore stations etc. after this.
	 */
	ret = iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_cmd, CMD_SYNC,
		      sizeof(struct iwl_rxon_cmd), &ctx->staging);
	if (ret) {
		IWL_ERR(priv, "Error setting new RXON (%d)\n", ret);
		return ret;
	}
	memcpy(active, &ctx->staging, sizeof(*active));

	iwl_reprogram_ap_sta(priv, ctx);

	/* IBSS beacon needs to be sent after setting assoc */
	if (ctx->vif && (ctx->vif->type == NL80211_IFTYPE_ADHOC))
		if (iwlagn_update_beacon(priv, ctx->vif))
			IWL_ERR(priv, "Error sending IBSS beacon\n");
	iwl_init_sensitivity(priv);

	/*
	 * If we issue a new RXON command which required a tune then
	 * we must send a new TXPOWER command or we won't be able to
	 * Tx any frames.
	 *
	 * It's expected we set power here if channel is changing.
	 */
	ret = iwl_set_tx_power(priv, priv->tx_power_next, true);
	if (ret) {
		IWL_ERR(priv, "Error sending TX power (%d)\n", ret);
		return ret;
	}

	if (ctx->vif && ctx->vif->type == NL80211_IFTYPE_STATION &&
	    priv->cfg->ht_params && priv->cfg->ht_params->smps_mode)
		ieee80211_request_smps(ctx->vif,
				       priv->cfg->ht_params->smps_mode);

	return 0;
}
Exemplo n.º 9
0
int iwl_send_rxon_timing(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
{
	u64 tsf;
	s32 interval_tm, rem;
	struct ieee80211_conf *conf = NULL;
	u16 beacon_int;
	struct ieee80211_vif *vif = ctx->vif;

	conf = &priv->hw->conf;

	lockdep_assert_held(&priv->shrd->mutex);

	memset(&ctx->timing, 0, sizeof(struct iwl_rxon_time_cmd));

	ctx->timing.timestamp = cpu_to_le64(priv->timestamp);
	ctx->timing.listen_interval = cpu_to_le16(conf->listen_interval);

	beacon_int = vif ? vif->bss_conf.beacon_int : 0;

	/*
	 * TODO: For IBSS we need to get atim_window from mac80211,
	 *	 for now just always use 0
	 */
	ctx->timing.atim_window = 0;

	if (ctx->ctxid == IWL_RXON_CTX_PAN &&
	    (!ctx->vif || ctx->vif->type != NL80211_IFTYPE_STATION) &&
	    iwl_is_associated(priv, IWL_RXON_CTX_BSS) &&
	    priv->contexts[IWL_RXON_CTX_BSS].vif &&
	    priv->contexts[IWL_RXON_CTX_BSS].vif->bss_conf.beacon_int) {
		ctx->timing.beacon_interval =
			priv->contexts[IWL_RXON_CTX_BSS].timing.beacon_interval;
		beacon_int = le16_to_cpu(ctx->timing.beacon_interval);
	} else if (ctx->ctxid == IWL_RXON_CTX_BSS &&
		   iwl_is_associated(priv, IWL_RXON_CTX_PAN) &&
		   priv->contexts[IWL_RXON_CTX_PAN].vif &&
		   priv->contexts[IWL_RXON_CTX_PAN].vif->bss_conf.beacon_int &&
		   (!iwl_is_associated_ctx(ctx) || !ctx->vif ||
		    !ctx->vif->bss_conf.beacon_int)) {
		ctx->timing.beacon_interval =
			priv->contexts[IWL_RXON_CTX_PAN].timing.beacon_interval;
		beacon_int = le16_to_cpu(ctx->timing.beacon_interval);
	} else {
		beacon_int = iwl_adjust_beacon_interval(beacon_int,
			IWL_MAX_UCODE_BEACON_INTERVAL * TIME_UNIT);
		ctx->timing.beacon_interval = cpu_to_le16(beacon_int);
	}

	ctx->beacon_int = beacon_int;

	tsf = priv->timestamp; /* tsf is modifed by do_div: copy it */
	interval_tm = beacon_int * TIME_UNIT;
	rem = do_div(tsf, interval_tm);
	ctx->timing.beacon_init_val = cpu_to_le32(interval_tm - rem);

	ctx->timing.dtim_period = vif ? (vif->bss_conf.dtim_period ?: 1) : 1;

	IWL_DEBUG_ASSOC(priv,
			"beacon interval %d beacon timer %d beacon tim %d\n",
			le16_to_cpu(ctx->timing.beacon_interval),
			le32_to_cpu(ctx->timing.beacon_init_val),
			le16_to_cpu(ctx->timing.atim_window));

	return iwl_trans_send_cmd_pdu(trans(priv), ctx->rxon_timing_cmd,
				CMD_SYNC, sizeof(ctx->timing), &ctx->timing);
}