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, NULL,
				      REPLY_WIPAN_DEACTIVATION_COMPLETE);

	send->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
	send->dev_type = RXON_DEV_TYPE_P2P;
	ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd, 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 {
		signed long wait_res;

		wait_res = iwlagn_wait_notification(priv, &disable_wait, HZ);
		if (wait_res == 0) {
			IWL_ERR(priv, "Timed out waiting for PAN disable\n");
			ret = -EIO;
		}
	}

	return ret;
}
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_send_cmd_pdu(priv, ctx->qos_cmd,
			       sizeof(struct iwl_qosparam_cmd),
			       &ctx->qos_data.def_qos_parm);
	if (ret)
		IWL_ERR(priv, "Failed to update QoS\n");
}
Beispiel #3
0
static void iwlagn_chain_noise_reset(struct iwl_priv *priv)
{
	struct iwl_chain_noise_data *data = &priv->chain_noise_data;
	int ret;

	if ((data->state == IWL_CHAIN_NOISE_ALIVE) &&
	    iwl_is_any_associated(priv)) {
		struct iwl_calib_chain_noise_reset_cmd cmd;

		/* clear data for chain noise calibration algorithm */
		data->chain_noise_a = 0;
		data->chain_noise_b = 0;
		data->chain_noise_c = 0;
		data->chain_signal_a = 0;
		data->chain_signal_b = 0;
		data->chain_signal_c = 0;
		data->beacon_count = 0;

		memset(&cmd, 0, sizeof(cmd));
		cmd.hdr.op_code = priv->_agn.phy_calib_chain_noise_reset_cmd;
		cmd.hdr.first_group = 0;
		cmd.hdr.groups_num = 1;
		cmd.hdr.data_valid = 1;
		ret = iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD,
					sizeof(cmd), &cmd);
		if (ret)
			IWL_ERR(priv,
				"Could not send REPLY_PHY_CALIBRATION_CMD\n");
		data->state = IWL_CHAIN_NOISE_ACCUMULATE;
		IWL_DEBUG_CALIB(priv, "Run chain_noise_calibrate\n");
	}
}
Beispiel #4
0
static int iwlagn_send_wimax_coex(struct iwl_priv *priv)
{
    struct iwl_wimax_coex_cmd coex_cmd;

    if (priv->cfg->base_params->support_wimax_coexist) {
        /* UnMask wake up src at associated sleep */
        coex_cmd.flags = COEX_FLAGS_ASSOC_WA_UNMASK_MSK;

        /* UnMask wake up src at unassociated sleep */
        coex_cmd.flags |= COEX_FLAGS_UNASSOC_WA_UNMASK_MSK;
        memcpy(coex_cmd.sta_prio, cu_priorities,
               sizeof(struct iwl_wimax_coex_event_entry) *
               COEX_NUM_OF_EVENTS);

        /* enabling the coexistence feature */
        coex_cmd.flags |= COEX_FLAGS_COEX_ENABLE_MSK;

        /* enabling the priorities tables */
        coex_cmd.flags |= COEX_FLAGS_STA_TABLE_VALID_MSK;
    } else {
        /* coexistence is disabled */
        memset(&coex_cmd, 0, sizeof(coex_cmd));
    }
    return iwl_send_cmd_pdu(priv, COEX_PRIORITY_TABLE_CMD,
                            sizeof(coex_cmd), &coex_cmd);
}
Beispiel #5
0
static int iwl5000_send_wimax_coex(struct iwl_priv *priv)
{
	struct iwl_wimax_coex_cmd coex_cmd;

	memset(&coex_cmd, 0, sizeof(coex_cmd));

	return iwl_send_cmd_pdu(priv, COEX_PRIORITY_TABLE_CMD,
				sizeof(coex_cmd), &coex_cmd);
}
Beispiel #6
0
void iwlagn_send_bt_env(struct iwl_priv *priv, u8 action, u8 type)
{
    struct iwl_bt_coex_prot_env_cmd env_cmd;

    env_cmd.action = action;
    env_cmd.type = type;
    if (iwl_send_cmd_pdu(priv, REPLY_BT_COEX_PROT_ENV,
                         sizeof(env_cmd), &env_cmd))
        IWL_ERR(priv, "failed to send BT env command\n");
}
Beispiel #7
0
void iwlagn_send_prio_tbl(struct iwl_priv *priv)
{
    struct iwl_bt_coex_prio_table_cmd prio_tbl_cmd;

    memcpy(prio_tbl_cmd.prio_tbl, iwlagn_bt_prio_tbl,
           sizeof(iwlagn_bt_prio_tbl));
    if (iwl_send_cmd_pdu(priv, REPLY_BT_COEX_PRIO_TABLE,
                         sizeof(prio_tbl_cmd), &prio_tbl_cmd))
        IWL_ERR(priv, "failed to send BT prio tbl command\n");
}
Beispiel #8
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_send_cmd_pdu(priv, POWER_TABLE_CMD,
				sizeof(struct iwl_powertable_cmd), cmd);
}
Beispiel #9
0
int iwlagn_send_tx_ant_config(struct iwl_priv *priv, u8 valid_tx_ant)
{
	struct iwl_tx_ant_config_cmd tx_ant_cmd = {
	  .valid = cpu_to_le32(valid_tx_ant),
	};

	if (IWL_UCODE_API(priv->ucode_ver) > 1) {
		IWL_DEBUG_HC(priv, "select valid tx ant: %u\n", valid_tx_ant);
		return iwl_send_cmd_pdu(priv, TX_ANT_CONFIGURATION_CMD,
					sizeof(struct iwl_tx_ant_config_cmd),
					&tx_ant_cmd);
	} else {
		IWL_DEBUG_HC(priv, "TX_ANT_CONFIGURATION_CMD not supported\n");
		return -EOPNOTSUPP;
	}
}
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_send_cmd_pdu(priv, ctx->rxon_cmd, sizeof(*send), send);

	send->filter_flags = old_filter;

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

	return ret;
}
Beispiel #11
0
static void iwl5000_chain_noise_reset(struct iwl_priv *priv)
{
	struct iwl_chain_noise_data *data = &priv->chain_noise_data;
	int ret;

	if ((data->state == IWL_CHAIN_NOISE_ALIVE) && iwl_is_associated(priv)) {
		struct iwl_calib_chain_noise_reset_cmd cmd;
		memset(&cmd, 0, sizeof(cmd));

		cmd.hdr.op_code = IWL_PHY_CALIBRATE_CHAIN_NOISE_RESET_CMD;
		cmd.hdr.first_group = 0;
		cmd.hdr.groups_num = 1;
		cmd.hdr.data_valid = 1;
		ret = iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD,
					sizeof(cmd), &cmd);
		if (ret)
			IWL_ERR(priv,
				"Could not send REPLY_PHY_CALIBRATION_CMD\n");
		data->state = IWL_CHAIN_NOISE_ACCUMULATE;
		IWL_DEBUG_CALIB(priv, "Run chain_noise_calibrate\n");
	}
}
Beispiel #12
0
static int iwlagn_disable_pan(struct iwl_priv *priv,
			      struct iwl_rxon_context *ctx,
			      struct iwl_rxon_cmd *send)
{
	__le32 old_filter = send->filter_flags;
	u8 old_dev_type = send->dev_type;
	int ret;

	send->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
	send->dev_type = RXON_DEV_TYPE_P2P;
	ret = iwl_send_cmd_pdu(priv, ctx->rxon_cmd, 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);

	/* FIXME: WAIT FOR PAN DISABLE */
	msleep(300);

	return ret;
}
Beispiel #13
0
void iwl_rf_kill_ct_config(struct iwl_priv *priv)
{
	struct iwl_ct_kill_config cmd;
	unsigned long flags;
	int ret = 0;

	spin_lock_irqsave(&priv->lock, flags);
	iwl_write32(priv, CSR_UCODE_DRV_GP1_CLR,
		    CSR_UCODE_DRV_GP1_REG_BIT_CT_KILL_EXIT);
	spin_unlock_irqrestore(&priv->lock, flags);

	cmd.critical_temperature_R =
		cpu_to_le32(priv->hw_params.ct_kill_threshold);

	ret = iwl_send_cmd_pdu(priv, REPLY_CT_KILL_CONFIG_CMD,
			       sizeof(cmd), &cmd);
	if (ret)
		IWL_ERROR("REPLY_CT_KILL_CONFIG_CMD failed\n");
	else
		IWL_DEBUG_INFO("REPLY_CT_KILL_CONFIG_CMD succeeded, "
			"critical temperature is %d\n",
			cmd.critical_temperature_R);
}
/**
 * iwlagn_commit_rxon - commit staging_rxon to hardware
 *
 * The RXON command in staging_rxon is committed to the hardware and
 * the active_rxon structure is updated with the new data.  This
 * function correctly transitions out of the RXON_ASSOC_MSK state if
 * a HW tune is required based on the RXON structure changes.
 */
int iwlagn_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
{
	/* cast away the const for active_rxon in this function */
	struct iwl_rxon_cmd *active = (void *)&ctx->active;
	bool new_assoc = !!(ctx->staging.filter_flags & RXON_FILTER_ASSOC_MSK);
	bool old_assoc = !!(ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK);
	int ret;

	lockdep_assert_held(&priv->mutex);

	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
		return -EINVAL;

	if (!iwl_is_alive(priv))
		return -EBUSY;

	/* This function hardcodes a bunch of dual-mode assumptions */
	BUILD_BUG_ON(NUM_IWL_RXON_CTX != 2);

	if (!ctx->is_active)
		return 0;

	/* always get timestamp with Rx frame */
	ctx->staging.flags |= RXON_FLG_TSF2HOST_MSK;

	if (ctx->ctxid == IWL_RXON_CTX_PAN && priv->_agn.hw_roc_channel) {
		struct ieee80211_channel *chan = priv->_agn.hw_roc_channel;

		iwl_set_rxon_channel(priv, chan, ctx);
		iwl_set_flags_for_band(priv, ctx, chan->band, NULL);
		ctx->staging.filter_flags |=
			RXON_FILTER_ASSOC_MSK |
			RXON_FILTER_PROMISC_MSK |
			RXON_FILTER_CTL2HOST_MSK;
		ctx->staging.dev_type = RXON_DEV_TYPE_P2P;
		new_assoc = true;

		if (memcmp(&ctx->staging, &ctx->active,
			   sizeof(ctx->staging)) == 0)
			return 0;
	}

	if ((ctx->vif && ctx->vif->bss_conf.use_short_slot) ||
	    !(ctx->staging.flags & RXON_FLG_BAND_24G_MSK))
		ctx->staging.flags |= RXON_FLG_SHORT_SLOT_MSK;
	else
		ctx->staging.flags &= ~RXON_FLG_SHORT_SLOT_MSK;

	ret = iwl_check_rxon_cmd(priv, ctx);
	if (ret) {
		IWL_ERR(priv, "Invalid RXON configuration. Not committing.\n");
		return -EINVAL;
	}

	/*
	 * receive commit_rxon request
	 * abort any previous channel switch if still in process
	 */
	if (priv->switch_rxon.switch_in_progress &&
	    (priv->switch_rxon.channel != ctx->staging.channel)) {
		IWL_DEBUG_11H(priv, "abort channel switch on %d\n",
		      le16_to_cpu(priv->switch_rxon.channel));
		iwl_chswitch_done(priv, false);
	}

	/*
	 * If we don't need to send a full RXON, we can use
	 * iwl_rxon_assoc_cmd which is used to reconfigure filter
	 * and other flags for the current radio configuration.
	 */
	if (!iwl_full_rxon_required(priv, ctx)) {
		ret = iwl_send_rxon_assoc(priv, ctx);
		if (ret) {
			IWL_ERR(priv, "Error setting RXON_ASSOC (%d)\n", ret);
			return ret;
		}

		memcpy(active, &ctx->staging, sizeof(*active));
		iwl_print_rx_config_cmd(priv, ctx);
		return 0;
	}

	if (priv->cfg->ops->hcmd->set_pan_params) {
		ret = priv->cfg->ops->hcmd->set_pan_params(priv);
		if (ret)
			return ret;
	}

	iwl_set_rxon_hwcrypto(priv, ctx, !priv->cfg->mod_params->sw_crypto);

	IWL_DEBUG_INFO(priv,
		       "Going to commit RXON\n"
		       "  * with%s RXON_FILTER_ASSOC_MSK\n"
		       "  * channel = %d\n"
		       "  * bssid = %pM\n",
		       (new_assoc ? "" : "out"),
		       le16_to_cpu(ctx->staging.channel),
		       ctx->staging.bssid_addr);

	/*
	 * Always clear associated first, but with the correct config.
	 * This is required as for example station addition for the
	 * AP station must be done after the BSSID is set to correctly
	 * set up filters in the device.
	 */
	if ((old_assoc && new_assoc) || !new_assoc) {
		if (ctx->ctxid == IWL_RXON_CTX_BSS)
			ret = iwlagn_disable_bss(priv, ctx, &ctx->staging);
		else
			ret = iwlagn_disable_pan(priv, ctx, &ctx->staging);
		if (ret)
			return ret;

		memcpy(active, &ctx->staging, sizeof(*active));

		/*
		 * Un-assoc RXON clears the station table and WEP
		 * keys, so we have to restore those afterwards.
		 */
		iwl_clear_ucode_stations(priv, ctx);
		iwl_restore_stations(priv, ctx);
		ret = iwl_restore_default_wep_keys(priv, ctx);
		if (ret) {
			IWL_ERR(priv, "Failed to restore WEP keys (%d)\n", ret);
			return ret;
		}
	}

	/* RXON timing must be before associated RXON */
	ret = iwl_send_rxon_timing(priv, ctx);
	if (ret) {
		IWL_ERR(priv, "Failed to send timing (%d)!\n", ret);
		return ret;
	}

	if (new_assoc) {
		/* 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_send_cmd_pdu(priv, ctx->rxon_cmd,
			      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_print_rx_config_cmd(priv, ctx);

	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;
	}

	return 0;
}
Beispiel #15
0
/* set card power command */
static int iwl_set_power(struct iwl_priv *priv, void *cmd)
{
    return iwl_send_cmd_pdu(priv, POWER_TABLE_CMD,
                            sizeof(struct iwl_powertable_cmd), cmd);
}
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 */
	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_send_cmd_pdu(priv, ctx->rxon_cmd,
		      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;
	}
	return 0;
}