diff options
Diffstat (limited to 'drivers/net/wireless/mwifiex/sta_cmdresp.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/sta_cmdresp.c | 972 | 
1 files changed, 972 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/sta_cmdresp.c b/drivers/net/wireless/mwifiex/sta_cmdresp.c new file mode 100644 index 00000000000..d08f76429a0 --- /dev/null +++ b/drivers/net/wireless/mwifiex/sta_cmdresp.c @@ -0,0 +1,972 @@ +/* + * Marvell Wireless LAN device driver: station command response handling + * + * Copyright (C) 2011, Marvell International Ltd. + * + * This software file (the "File") is distributed by Marvell International + * Ltd. under the terms of the GNU General Public License Version 2, June 1991 + * (the "License").  You may use, redistribute and/or modify this File in + * accordance with the terms and conditions of the License, a copy of which + * is available by writing to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the + * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. + * + * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE + * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE + * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about + * this warranty disclaimer. + */ + +#include "decl.h" +#include "ioctl.h" +#include "util.h" +#include "fw.h" +#include "main.h" +#include "wmm.h" +#include "11n.h" + + +/* + * This function handles the command response error case. + * + * For scan response error, the function cancels all the pending + * scan commands and generates an event to inform the applications + * of the scan completion. + * + * For Power Save command failure, we do not retry enter PS + * command in case of Ad-hoc mode. + * + * For all other response errors, the current command buffer is freed + * and returned to the free command queue. + */ +static void +mwifiex_process_cmdresp_error(struct mwifiex_private *priv, +			      struct host_cmd_ds_command *resp) +{ +	struct cmd_ctrl_node *cmd_node = NULL, *tmp_node; +	struct mwifiex_adapter *adapter = priv->adapter; +	struct host_cmd_ds_802_11_ps_mode_enh *pm; +	unsigned long flags; + +	dev_err(adapter->dev, "CMD_RESP: cmd %#x error, result=%#x\n", +			resp->command, resp->result); + +	if (adapter->curr_cmd->wait_q_enabled) +		adapter->cmd_wait_q.status = -1; + +	switch (le16_to_cpu(resp->command)) { +	case HostCmd_CMD_802_11_PS_MODE_ENH: +		pm = &resp->params.psmode_enh; +		dev_err(adapter->dev, "PS_MODE_ENH cmd failed: " +					"result=0x%x action=0x%X\n", +				resp->result, le16_to_cpu(pm->action)); +		/* We do not re-try enter-ps command in ad-hoc mode. */ +		if (le16_to_cpu(pm->action) == EN_AUTO_PS && +			(le16_to_cpu(pm->params.ps_bitmap) & BITMAP_STA_PS) && +				priv->bss_mode == NL80211_IFTYPE_ADHOC) +			adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM; + +		break; +	case HostCmd_CMD_802_11_SCAN: +		/* Cancel all pending scan command */ +		spin_lock_irqsave(&adapter->scan_pending_q_lock, flags); +		list_for_each_entry_safe(cmd_node, tmp_node, +					 &adapter->scan_pending_q, list) { +			list_del(&cmd_node->list); +			spin_unlock_irqrestore(&adapter->scan_pending_q_lock, +					       flags); +			mwifiex_insert_cmd_to_free_q(adapter, cmd_node); +			spin_lock_irqsave(&adapter->scan_pending_q_lock, flags); +		} +		spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); + +		spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); +		adapter->scan_processing = false; +		spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); +		if (priv->report_scan_result) +			priv->report_scan_result = false; +		if (priv->scan_pending_on_block) { +			priv->scan_pending_on_block = false; +			up(&priv->async_sem); +		} +		break; + +	case HostCmd_CMD_MAC_CONTROL: +		break; + +	default: +		break; +	} +	/* Handling errors here */ +	mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd); + +	spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); +	adapter->curr_cmd = NULL; +	spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, flags); +} + +/* + * This function handles the command response of get RSSI info. + * + * Handling includes changing the header fields into CPU format + * and saving the following parameters in driver - + *      - Last data and beacon RSSI value + *      - Average data and beacon RSSI value + *      - Last data and beacon NF value + *      - Average data and beacon NF value + * + * The parameters are send to the application as well, along with + * calculated SNR values. + */ +static int mwifiex_ret_802_11_rssi_info(struct mwifiex_private *priv, +					struct host_cmd_ds_command *resp, +					void *data_buf) +{ +	struct host_cmd_ds_802_11_rssi_info_rsp *rssi_info_rsp = +		&resp->params.rssi_info_rsp; +	struct mwifiex_ds_get_signal *signal; + +	priv->data_rssi_last = le16_to_cpu(rssi_info_rsp->data_rssi_last); +	priv->data_nf_last = le16_to_cpu(rssi_info_rsp->data_nf_last); + +	priv->data_rssi_avg = le16_to_cpu(rssi_info_rsp->data_rssi_avg); +	priv->data_nf_avg = le16_to_cpu(rssi_info_rsp->data_nf_avg); + +	priv->bcn_rssi_last = le16_to_cpu(rssi_info_rsp->bcn_rssi_last); +	priv->bcn_nf_last = le16_to_cpu(rssi_info_rsp->bcn_nf_last); + +	priv->bcn_rssi_avg = le16_to_cpu(rssi_info_rsp->bcn_rssi_avg); +	priv->bcn_nf_avg = le16_to_cpu(rssi_info_rsp->bcn_nf_avg); + +	/* Need to indicate IOCTL complete */ +	if (data_buf) { +		signal = (struct mwifiex_ds_get_signal *) data_buf; +		memset(signal, 0, sizeof(struct mwifiex_ds_get_signal)); + +		signal->selector = ALL_RSSI_INFO_MASK; + +		/* RSSI */ +		signal->bcn_rssi_last = priv->bcn_rssi_last; +		signal->bcn_rssi_avg = priv->bcn_rssi_avg; +		signal->data_rssi_last = priv->data_rssi_last; +		signal->data_rssi_avg = priv->data_rssi_avg; + +		/* SNR */ +		signal->bcn_snr_last = +			CAL_SNR(priv->bcn_rssi_last, priv->bcn_nf_last); +		signal->bcn_snr_avg = +			CAL_SNR(priv->bcn_rssi_avg, priv->bcn_nf_avg); +		signal->data_snr_last = +			CAL_SNR(priv->data_rssi_last, priv->data_nf_last); +		signal->data_snr_avg = +			CAL_SNR(priv->data_rssi_avg, priv->data_nf_avg); + +		/* NF */ +		signal->bcn_nf_last = priv->bcn_nf_last; +		signal->bcn_nf_avg = priv->bcn_nf_avg; +		signal->data_nf_last = priv->data_nf_last; +		signal->data_nf_avg = priv->data_nf_avg; +	} + +	return 0; +} + +/* + * This function handles the command response of set/get SNMP + * MIB parameters. + * + * Handling includes changing the header fields into CPU format + * and saving the parameter in driver. + * + * The following parameters are supported - + *      - Fragmentation threshold + *      - RTS threshold + *      - Short retry limit + */ +static int mwifiex_ret_802_11_snmp_mib(struct mwifiex_private *priv, +				       struct host_cmd_ds_command *resp, +				       void *data_buf) +{ +	struct host_cmd_ds_802_11_snmp_mib *smib = &resp->params.smib; +	u16 oid = le16_to_cpu(smib->oid); +	u16 query_type = le16_to_cpu(smib->query_type); +	u32 ul_temp; + +	dev_dbg(priv->adapter->dev, "info: SNMP_RESP: oid value = %#x," +			" query_type = %#x, buf size = %#x\n", +			oid, query_type, le16_to_cpu(smib->buf_size)); +	if (query_type == HostCmd_ACT_GEN_GET) { +		ul_temp = le16_to_cpu(*((__le16 *) (smib->value))); +		if (data_buf) +			*(u32 *)data_buf = ul_temp; +		switch (oid) { +		case FRAG_THRESH_I: +			dev_dbg(priv->adapter->dev, +				"info: SNMP_RESP: FragThsd =%u\n", ul_temp); +			break; +		case RTS_THRESH_I: +			dev_dbg(priv->adapter->dev, +				"info: SNMP_RESP: RTSThsd =%u\n", ul_temp); +			break; +		case SHORT_RETRY_LIM_I: +			dev_dbg(priv->adapter->dev, +				"info: SNMP_RESP: TxRetryCount=%u\n", ul_temp); +			break; +		default: +			break; +		} +	} + +	return 0; +} + +/* + * This function handles the command response of get log request + * + * Handling includes changing the header fields into CPU format + * and sending the received parameters to application. + */ +static int mwifiex_ret_get_log(struct mwifiex_private *priv, +			       struct host_cmd_ds_command *resp, +			       void *data_buf) +{ +	struct host_cmd_ds_802_11_get_log *get_log = +		(struct host_cmd_ds_802_11_get_log *) &resp->params.get_log; +	struct mwifiex_ds_get_stats *stats; + +	if (data_buf) { +		stats = (struct mwifiex_ds_get_stats *) data_buf; +		stats->mcast_tx_frame = le32_to_cpu(get_log->mcast_tx_frame); +		stats->failed = le32_to_cpu(get_log->failed); +		stats->retry = le32_to_cpu(get_log->retry); +		stats->multi_retry = le32_to_cpu(get_log->multi_retry); +		stats->frame_dup = le32_to_cpu(get_log->frame_dup); +		stats->rts_success = le32_to_cpu(get_log->rts_success); +		stats->rts_failure = le32_to_cpu(get_log->rts_failure); +		stats->ack_failure = le32_to_cpu(get_log->ack_failure); +		stats->rx_frag = le32_to_cpu(get_log->rx_frag); +		stats->mcast_rx_frame = le32_to_cpu(get_log->mcast_rx_frame); +		stats->fcs_error = le32_to_cpu(get_log->fcs_error); +		stats->tx_frame = le32_to_cpu(get_log->tx_frame); +		stats->wep_icv_error[0] = +			le32_to_cpu(get_log->wep_icv_err_cnt[0]); +		stats->wep_icv_error[1] = +			le32_to_cpu(get_log->wep_icv_err_cnt[1]); +		stats->wep_icv_error[2] = +			le32_to_cpu(get_log->wep_icv_err_cnt[2]); +		stats->wep_icv_error[3] = +			le32_to_cpu(get_log->wep_icv_err_cnt[3]); +	} + +	return 0; +} + +/* + * This function handles the command response of set/get Tx rate + * configurations. + * + * Handling includes changing the header fields into CPU format + * and saving the following parameters in driver - + *      - DSSS rate bitmap + *      - OFDM rate bitmap + *      - HT MCS rate bitmaps + * + * Based on the new rate bitmaps, the function re-evaluates if + * auto data rate has been activated. If not, it sends another + * query to the firmware to get the current Tx data rate and updates + * the driver value. + */ +static int mwifiex_ret_tx_rate_cfg(struct mwifiex_private *priv, +				   struct host_cmd_ds_command *resp, +				   void *data_buf) +{ +	struct mwifiex_rate_cfg *ds_rate; +	struct host_cmd_ds_tx_rate_cfg *rate_cfg = &resp->params.tx_rate_cfg; +	struct mwifiex_rate_scope *rate_scope; +	struct mwifiex_ie_types_header *head; +	u16 tlv, tlv_buf_len; +	u8 *tlv_buf; +	u32 i; +	int ret = 0; + +	tlv_buf = (u8 *) ((u8 *) rate_cfg) + +			sizeof(struct host_cmd_ds_tx_rate_cfg); +	tlv_buf_len = *(u16 *) (tlv_buf + sizeof(u16)); + +	while (tlv_buf && tlv_buf_len > 0) { +		tlv = (*tlv_buf); +		tlv = tlv | (*(tlv_buf + 1) << 8); + +		switch (tlv) { +		case TLV_TYPE_RATE_SCOPE: +			rate_scope = (struct mwifiex_rate_scope *) tlv_buf; +			priv->bitmap_rates[0] = +				le16_to_cpu(rate_scope->hr_dsss_rate_bitmap); +			priv->bitmap_rates[1] = +				le16_to_cpu(rate_scope->ofdm_rate_bitmap); +			for (i = 0; +			     i < +			     sizeof(rate_scope->ht_mcs_rate_bitmap) / +			     sizeof(u16); i++) +				priv->bitmap_rates[2 + i] = +					le16_to_cpu(rate_scope-> +						    ht_mcs_rate_bitmap[i]); +			break; +			/* Add RATE_DROP tlv here */ +		} + +		head = (struct mwifiex_ie_types_header *) tlv_buf; +		tlv_buf += le16_to_cpu(head->len) + sizeof(*head); +		tlv_buf_len -= le16_to_cpu(head->len); +	} + +	priv->is_data_rate_auto = mwifiex_is_rate_auto(priv); + +	if (priv->is_data_rate_auto) +		priv->data_rate = 0; +	else +		ret = mwifiex_send_cmd_async(priv, +					  HostCmd_CMD_802_11_TX_RATE_QUERY, +					  HostCmd_ACT_GEN_GET, 0, NULL); + +	if (data_buf) { +		ds_rate = (struct mwifiex_rate_cfg *) data_buf; +		if (le16_to_cpu(rate_cfg->action) == HostCmd_ACT_GEN_GET) { +			if (priv->is_data_rate_auto) { +				ds_rate->is_rate_auto = 1; +			} else { +				ds_rate->rate = mwifiex_get_rate_index(priv-> +							       bitmap_rates, +							       sizeof(priv-> +							       bitmap_rates)); +				if (ds_rate->rate >= +				    MWIFIEX_RATE_BITMAP_OFDM0 +				    && ds_rate->rate <= +				    MWIFIEX_RATE_BITMAP_OFDM7) +					ds_rate->rate -= +						(MWIFIEX_RATE_BITMAP_OFDM0 - +						 MWIFIEX_RATE_INDEX_OFDM0); +				if (ds_rate->rate >= +				    MWIFIEX_RATE_BITMAP_MCS0 +				    && ds_rate->rate <= +				    MWIFIEX_RATE_BITMAP_MCS127) +					ds_rate->rate -= +						(MWIFIEX_RATE_BITMAP_MCS0 - +						 MWIFIEX_RATE_INDEX_MCS0); +			} +		} +	} + +	return ret; +} + +/* + * This function handles the command response of get Tx power level. + * + * Handling includes saving the maximum and minimum Tx power levels + * in driver, as well as sending the values to user. + */ +static int mwifiex_get_power_level(struct mwifiex_private *priv, void *data_buf) +{ +	int length, max_power = -1, min_power = -1; +	struct mwifiex_types_power_group *pg_tlv_hdr; +	struct mwifiex_power_group *pg; + +	if (data_buf) { +		pg_tlv_hdr = +			(struct mwifiex_types_power_group *) ((u8 *) data_buf +					+ sizeof(struct host_cmd_ds_txpwr_cfg)); +		pg = (struct mwifiex_power_group *) ((u8 *) pg_tlv_hdr + +				sizeof(struct mwifiex_types_power_group)); +		length = pg_tlv_hdr->length; +		if (length > 0) { +			max_power = pg->power_max; +			min_power = pg->power_min; +			length -= sizeof(struct mwifiex_power_group); +		} +		while (length) { +			pg++; +			if (max_power < pg->power_max) +				max_power = pg->power_max; + +			if (min_power > pg->power_min) +				min_power = pg->power_min; + +			length -= sizeof(struct mwifiex_power_group); +		} +		if (pg_tlv_hdr->length > 0) { +			priv->min_tx_power_level = (u8) min_power; +			priv->max_tx_power_level = (u8) max_power; +		} +	} else { +		return -1; +	} + +	return 0; +} + +/* + * This function handles the command response of set/get Tx power + * configurations. + * + * Handling includes changing the header fields into CPU format + * and saving the current Tx power level in driver. + */ +static int mwifiex_ret_tx_power_cfg(struct mwifiex_private *priv, +				    struct host_cmd_ds_command *resp, +				    void *data_buf) +{ +	struct mwifiex_adapter *adapter = priv->adapter; +	struct host_cmd_ds_txpwr_cfg *txp_cfg = &resp->params.txp_cfg; +	struct mwifiex_types_power_group *pg_tlv_hdr; +	struct mwifiex_power_group *pg; +	u16 action = le16_to_cpu(txp_cfg->action); + +	switch (action) { +	case HostCmd_ACT_GEN_GET: +		{ +			pg_tlv_hdr = +				(struct mwifiex_types_power_group *) ((u8 *) +						txp_cfg + +						sizeof +						(struct +						 host_cmd_ds_txpwr_cfg)); +			pg = (struct mwifiex_power_group *) ((u8 *) +						pg_tlv_hdr + +						sizeof(struct +						mwifiex_types_power_group)); +			if (adapter->hw_status == +			    MWIFIEX_HW_STATUS_INITIALIZING) +				mwifiex_get_power_level(priv, txp_cfg); +			priv->tx_power_level = (u16) pg->power_min; +			break; +		} +	case HostCmd_ACT_GEN_SET: +		if (le32_to_cpu(txp_cfg->mode)) { +			pg_tlv_hdr = +				(struct mwifiex_types_power_group *) ((u8 *) +						txp_cfg + +						sizeof +						(struct +						 host_cmd_ds_txpwr_cfg)); +			pg = (struct mwifiex_power_group *) ((u8 *) pg_tlv_hdr +						+ +						sizeof(struct +						mwifiex_types_power_group)); +			if (pg->power_max == pg->power_min) +				priv->tx_power_level = (u16) pg->power_min; +		} +		break; +	default: +		dev_err(adapter->dev, "CMD_RESP: unknown cmd action %d\n", +				action); +		return 0; +	} +	dev_dbg(adapter->dev, +		"info: Current TxPower Level = %d, Max Power=%d, Min Power=%d\n", +	       priv->tx_power_level, priv->max_tx_power_level, +	       priv->min_tx_power_level); + +	return 0; +} + +/* + * This function handles the command response of set/get MAC address. + * + * Handling includes saving the MAC address in driver. + */ +static int mwifiex_ret_802_11_mac_address(struct mwifiex_private *priv, +					  struct host_cmd_ds_command *resp) +{ +	struct host_cmd_ds_802_11_mac_address *cmd_mac_addr = +		&resp->params.mac_addr; + +	memcpy(priv->curr_addr, cmd_mac_addr->mac_addr, ETH_ALEN); + +	dev_dbg(priv->adapter->dev, +		"info: set mac address: %pM\n", priv->curr_addr); + +	return 0; +} + +/* + * This function handles the command response of set/get MAC multicast + * address. + */ +static int mwifiex_ret_mac_multicast_adr(struct mwifiex_private *priv, +					 struct host_cmd_ds_command *resp) +{ +	return 0; +} + +/* + * This function handles the command response of get Tx rate query. + * + * Handling includes changing the header fields into CPU format + * and saving the Tx rate and HT information parameters in driver. + * + * Both rate configuration and current data rate can be retrieved + * with this request. + */ +static int mwifiex_ret_802_11_tx_rate_query(struct mwifiex_private *priv, +					    struct host_cmd_ds_command *resp) +{ +	priv->tx_rate = resp->params.tx_rate.tx_rate; +	priv->tx_htinfo = resp->params.tx_rate.ht_info; +	if (!priv->is_data_rate_auto) +		priv->data_rate = +			mwifiex_index_to_data_rate(priv->tx_rate, +						   priv->tx_htinfo); + +	return 0; +} + +/* + * This function handles the command response of a deauthenticate + * command. + * + * If the deauthenticated MAC matches the current BSS MAC, the connection + * state is reset. + */ +static int mwifiex_ret_802_11_deauthenticate(struct mwifiex_private *priv, +					     struct host_cmd_ds_command *resp) +{ +	struct mwifiex_adapter *adapter = priv->adapter; + +	adapter->dbg.num_cmd_deauth++; +	if (!memcmp(resp->params.deauth.mac_addr, +		    &priv->curr_bss_params.bss_descriptor.mac_address, +		    sizeof(resp->params.deauth.mac_addr))) +		mwifiex_reset_connect_state(priv); + +	return 0; +} + +/* + * This function handles the command response of ad-hoc stop. + * + * The function resets the connection state in driver. + */ +static int mwifiex_ret_802_11_ad_hoc_stop(struct mwifiex_private *priv, +					  struct host_cmd_ds_command *resp) +{ +	mwifiex_reset_connect_state(priv); +	return 0; +} + +/* + * This function handles the command response of set/get key material. + * + * Handling includes updating the driver parameters to reflect the + * changes. + */ +static int mwifiex_ret_802_11_key_material(struct mwifiex_private *priv, +					   struct host_cmd_ds_command *resp) +{ +	struct host_cmd_ds_802_11_key_material *key = +		&resp->params.key_material; + +	if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) { +		if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) { +			dev_dbg(priv->adapter->dev, "info: key: GTK is set\n"); +			priv->wpa_is_gtk_set = true; +			priv->scan_block = false; +		} +	} + +	memset(priv->aes_key.key_param_set.key, 0, +	       sizeof(key->key_param_set.key)); +	priv->aes_key.key_param_set.key_len = key->key_param_set.key_len; +	memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key, +	       le16_to_cpu(priv->aes_key.key_param_set.key_len)); + +	return 0; +} + +/* + * This function handles the command response of get 11d domain information. + */ +static int mwifiex_ret_802_11d_domain_info(struct mwifiex_private *priv, +					   struct host_cmd_ds_command *resp) +{ +	struct host_cmd_ds_802_11d_domain_info_rsp *domain_info = +		&resp->params.domain_info_resp; +	struct mwifiex_ietypes_domain_param_set *domain = &domain_info->domain; +	u16 action = le16_to_cpu(domain_info->action); +	u8 no_of_triplet; + +	no_of_triplet = (u8) ((le16_to_cpu(domain->header.len) - +					IEEE80211_COUNTRY_STRING_LEN) / +				sizeof(struct ieee80211_country_ie_triplet)); + +	dev_dbg(priv->adapter->dev, "info: 11D Domain Info Resp:" +			" no_of_triplet=%d\n", no_of_triplet); + +	if (no_of_triplet > MWIFIEX_MAX_TRIPLET_802_11D) { +		dev_warn(priv->adapter->dev, +			"11D: invalid number of triplets %d " +			"returned!!\n", no_of_triplet); +		return -1; +	} + +	switch (action) { +	case HostCmd_ACT_GEN_SET:  /* Proc Set Action */ +		break; +	case HostCmd_ACT_GEN_GET: +		break; +	default: +		dev_err(priv->adapter->dev, +			"11D: invalid action:%d\n", domain_info->action); +		return -1; +	} + +	return 0; +} + +/* + * This function handles the command response of get RF channel. + * + * Handling includes changing the header fields into CPU format + * and saving the new channel in driver. + */ +static int mwifiex_ret_802_11_rf_channel(struct mwifiex_private *priv, +					 struct host_cmd_ds_command *resp, +					 void *data_buf) +{ +	struct host_cmd_ds_802_11_rf_channel *rf_channel = +		&resp->params.rf_channel; +	u16 new_channel = le16_to_cpu(rf_channel->current_channel); + +	if (priv->curr_bss_params.bss_descriptor.channel != new_channel) { +		dev_dbg(priv->adapter->dev, "cmd: Channel Switch: %d to %d\n", +		       priv->curr_bss_params.bss_descriptor.channel, +		       new_channel); +		/* Update the channel again */ +		priv->curr_bss_params.bss_descriptor.channel = new_channel; +	} +	if (data_buf) +		*((u16 *)data_buf) = new_channel; + +	return 0; +} + +/* + * This function handles the command response of get extended version. + * + * Handling includes forming the extended version string and sending it + * to application. + */ +static int mwifiex_ret_ver_ext(struct mwifiex_private *priv, +			       struct host_cmd_ds_command *resp, +			       void *data_buf) +{ +	struct host_cmd_ds_version_ext *ver_ext = &resp->params.verext; +	struct host_cmd_ds_version_ext *version_ext; + +	if (data_buf) { +		version_ext = (struct host_cmd_ds_version_ext *)data_buf; +		version_ext->version_str_sel = ver_ext->version_str_sel; +		memcpy(version_ext->version_str, ver_ext->version_str, +		       sizeof(char) * 128); +		memcpy(priv->version_str, ver_ext->version_str, 128); +	} +	return 0; +} + +/* + * This function handles the command response of register access. + * + * The register value and offset are returned to the user. For EEPROM + * access, the byte count is also returned. + */ +static int mwifiex_ret_reg_access(u16 type, struct host_cmd_ds_command *resp, +				  void *data_buf) +{ +	struct mwifiex_ds_reg_rw *reg_rw; +	struct mwifiex_ds_read_eeprom *eeprom; + +	if (data_buf) { +		reg_rw = (struct mwifiex_ds_reg_rw *) data_buf; +		eeprom = (struct mwifiex_ds_read_eeprom *) data_buf; +		switch (type) { +		case HostCmd_CMD_MAC_REG_ACCESS: +			{ +				struct host_cmd_ds_mac_reg_access *reg; +				reg = (struct host_cmd_ds_mac_reg_access *) +					&resp->params.mac_reg; +				reg_rw->offset = cpu_to_le32( +					(u32) le16_to_cpu(reg->offset)); +				reg_rw->value = reg->value; +				break; +			} +		case HostCmd_CMD_BBP_REG_ACCESS: +			{ +				struct host_cmd_ds_bbp_reg_access *reg; +				reg = (struct host_cmd_ds_bbp_reg_access *) +					&resp->params.bbp_reg; +				reg_rw->offset = cpu_to_le32( +					(u32) le16_to_cpu(reg->offset)); +				reg_rw->value = cpu_to_le32((u32) reg->value); +				break; +			} + +		case HostCmd_CMD_RF_REG_ACCESS: +			{ +				struct host_cmd_ds_rf_reg_access *reg; +				reg = (struct host_cmd_ds_rf_reg_access *) +					&resp->params.rf_reg; +				reg_rw->offset = cpu_to_le32( +					(u32) le16_to_cpu(reg->offset)); +				reg_rw->value = cpu_to_le32((u32) reg->value); +				break; +			} +		case HostCmd_CMD_PMIC_REG_ACCESS: +			{ +				struct host_cmd_ds_pmic_reg_access *reg; +				reg = (struct host_cmd_ds_pmic_reg_access *) +					&resp->params.pmic_reg; +				reg_rw->offset = cpu_to_le32( +					(u32) le16_to_cpu(reg->offset)); +				reg_rw->value = cpu_to_le32((u32) reg->value); +				break; +			} +		case HostCmd_CMD_CAU_REG_ACCESS: +			{ +				struct host_cmd_ds_rf_reg_access *reg; +				reg = (struct host_cmd_ds_rf_reg_access *) +					&resp->params.rf_reg; +				reg_rw->offset = cpu_to_le32( +					(u32) le16_to_cpu(reg->offset)); +				reg_rw->value = cpu_to_le32((u32) reg->value); +				break; +			} +		case HostCmd_CMD_802_11_EEPROM_ACCESS: +			{ +				struct host_cmd_ds_802_11_eeprom_access +					*cmd_eeprom = +					(struct host_cmd_ds_802_11_eeprom_access +					 *) &resp->params.eeprom; +				pr_debug("info: EEPROM read len=%x\n", +				       cmd_eeprom->byte_count); +				if (le16_to_cpu(eeprom->byte_count) < +						le16_to_cpu( +						cmd_eeprom->byte_count)) { +					eeprom->byte_count = cpu_to_le16(0); +					pr_debug("info: EEPROM read " +							"length is too big\n"); +					return -1; +				} +				eeprom->offset = cmd_eeprom->offset; +				eeprom->byte_count = cmd_eeprom->byte_count; +				if (le16_to_cpu(eeprom->byte_count) > 0) +					memcpy(&eeprom->value, +					       &cmd_eeprom->value, +					       le16_to_cpu(eeprom->byte_count)); + +				break; +			} +		default: +			return -1; +		} +	} +	return 0; +} + +/* + * This function handles the command response of get IBSS coalescing status. + * + * If the received BSSID is different than the current one, the current BSSID, + * beacon interval, ATIM window and ERP information are updated, along with + * changing the ad-hoc state accordingly. + */ +static int mwifiex_ret_ibss_coalescing_status(struct mwifiex_private *priv, +					      struct host_cmd_ds_command *resp) +{ +	struct host_cmd_ds_802_11_ibss_status *ibss_coal_resp = +		&(resp->params.ibss_coalescing); +	u8 zero_mac[ETH_ALEN] = { 0, 0, 0, 0, 0, 0 }; + +	if (le16_to_cpu(ibss_coal_resp->action) == HostCmd_ACT_GEN_SET) +		return 0; + +	dev_dbg(priv->adapter->dev, +		"info: new BSSID %pM\n", ibss_coal_resp->bssid); + +	/* If rsp has NULL BSSID, Just return..... No Action */ +	if (!memcmp(ibss_coal_resp->bssid, zero_mac, ETH_ALEN)) { +		dev_warn(priv->adapter->dev, "new BSSID is NULL\n"); +		return 0; +	} + +	/* If BSSID is diff, modify current BSS parameters */ +	if (memcmp(priv->curr_bss_params.bss_descriptor.mac_address, +		   ibss_coal_resp->bssid, ETH_ALEN)) { +		/* BSSID */ +		memcpy(priv->curr_bss_params.bss_descriptor.mac_address, +		       ibss_coal_resp->bssid, ETH_ALEN); + +		/* Beacon Interval */ +		priv->curr_bss_params.bss_descriptor.beacon_period +			= le16_to_cpu(ibss_coal_resp->beacon_interval); + +		/* ERP Information */ +		priv->curr_bss_params.bss_descriptor.erp_flags = +			(u8) le16_to_cpu(ibss_coal_resp->use_g_rate_protect); + +		priv->adhoc_state = ADHOC_COALESCED; +	} + +	return 0; +} + +/* + * This function handles the command responses. + * + * This is a generic function, which calls command specific + * response handlers based on the command ID. + */ +int mwifiex_process_sta_cmdresp(struct mwifiex_private *priv, +				u16 cmdresp_no, void *cmd_buf) +{ +	int ret = 0; +	struct mwifiex_adapter *adapter = priv->adapter; +	struct host_cmd_ds_command *resp = +		(struct host_cmd_ds_command *) cmd_buf; +	void *data_buf = adapter->curr_cmd->data_buf; + +	/* If the command is not successful, cleanup and return failure */ +	if (resp->result != HostCmd_RESULT_OK) { +		mwifiex_process_cmdresp_error(priv, resp); +		return -1; +	} +	/* Command successful, handle response */ +	switch (cmdresp_no) { +	case HostCmd_CMD_GET_HW_SPEC: +		ret = mwifiex_ret_get_hw_spec(priv, resp); +		break; +	case HostCmd_CMD_MAC_CONTROL: +		break; +	case HostCmd_CMD_802_11_MAC_ADDRESS: +		ret = mwifiex_ret_802_11_mac_address(priv, resp); +		break; +	case HostCmd_CMD_MAC_MULTICAST_ADR: +		ret = mwifiex_ret_mac_multicast_adr(priv, resp); +		break; +	case HostCmd_CMD_TX_RATE_CFG: +		ret = mwifiex_ret_tx_rate_cfg(priv, resp, data_buf); +		break; +	case HostCmd_CMD_802_11_SCAN: +		ret = mwifiex_ret_802_11_scan(priv, resp); +		adapter->curr_cmd->wait_q_enabled = false; +		break; +	case HostCmd_CMD_802_11_BG_SCAN_QUERY: +		ret = mwifiex_ret_802_11_scan(priv, resp); +		dev_dbg(adapter->dev, +			"info: CMD_RESP: BG_SCAN result is ready!\n"); +		break; +	case HostCmd_CMD_TXPWR_CFG: +		ret = mwifiex_ret_tx_power_cfg(priv, resp, data_buf); +		break; +	case HostCmd_CMD_802_11_PS_MODE_ENH: +		ret = mwifiex_ret_enh_power_mode(priv, resp, data_buf); +		break; +	case HostCmd_CMD_802_11_HS_CFG_ENH: +		ret = mwifiex_ret_802_11_hs_cfg(priv, resp); +		break; +	case HostCmd_CMD_802_11_ASSOCIATE: +		ret = mwifiex_ret_802_11_associate(priv, resp); +		break; +	case HostCmd_CMD_802_11_DEAUTHENTICATE: +		ret = mwifiex_ret_802_11_deauthenticate(priv, resp); +		break; +	case HostCmd_CMD_802_11_AD_HOC_START: +	case HostCmd_CMD_802_11_AD_HOC_JOIN: +		ret = mwifiex_ret_802_11_ad_hoc(priv, resp); +		break; +	case HostCmd_CMD_802_11_AD_HOC_STOP: +		ret = mwifiex_ret_802_11_ad_hoc_stop(priv, resp); +		break; +	case HostCmd_CMD_802_11_GET_LOG: +		ret = mwifiex_ret_get_log(priv, resp, data_buf); +		break; +	case HostCmd_CMD_RSSI_INFO: +		ret = mwifiex_ret_802_11_rssi_info(priv, resp, data_buf); +		break; +	case HostCmd_CMD_802_11_SNMP_MIB: +		ret = mwifiex_ret_802_11_snmp_mib(priv, resp, data_buf); +		break; +	case HostCmd_CMD_802_11_TX_RATE_QUERY: +		ret = mwifiex_ret_802_11_tx_rate_query(priv, resp); +		break; +	case HostCmd_CMD_802_11_RF_CHANNEL: +		ret = mwifiex_ret_802_11_rf_channel(priv, resp, data_buf); +		break; +	case HostCmd_CMD_VERSION_EXT: +		ret = mwifiex_ret_ver_ext(priv, resp, data_buf); +		break; +	case HostCmd_CMD_FUNC_INIT: +	case HostCmd_CMD_FUNC_SHUTDOWN: +		break; +	case HostCmd_CMD_802_11_KEY_MATERIAL: +		ret = mwifiex_ret_802_11_key_material(priv, resp); +		break; +	case HostCmd_CMD_802_11D_DOMAIN_INFO: +		ret = mwifiex_ret_802_11d_domain_info(priv, resp); +		break; +	case HostCmd_CMD_11N_ADDBA_REQ: +		ret = mwifiex_ret_11n_addba_req(priv, resp); +		break; +	case HostCmd_CMD_11N_DELBA: +		ret = mwifiex_ret_11n_delba(priv, resp); +		break; +	case HostCmd_CMD_11N_ADDBA_RSP: +		ret = mwifiex_ret_11n_addba_resp(priv, resp); +		break; +	case HostCmd_CMD_RECONFIGURE_TX_BUFF: +		adapter->tx_buf_size = (u16) le16_to_cpu(resp->params. +							     tx_buf.buff_size); +		adapter->tx_buf_size = (adapter->tx_buf_size / +						MWIFIEX_SDIO_BLOCK_SIZE) * +						MWIFIEX_SDIO_BLOCK_SIZE; +		adapter->curr_tx_buf_size = adapter->tx_buf_size; +		dev_dbg(adapter->dev, +			"cmd: max_tx_buf_size=%d, tx_buf_size=%d\n", +		       adapter->max_tx_buf_size, adapter->tx_buf_size); + +		if (adapter->if_ops.update_mp_end_port) +			adapter->if_ops.update_mp_end_port(adapter, +					le16_to_cpu(resp-> +						params. +						tx_buf. +						mp_end_port)); +		break; +	case HostCmd_CMD_AMSDU_AGGR_CTRL: +		ret = mwifiex_ret_amsdu_aggr_ctrl(resp, data_buf); +		break; +	case HostCmd_CMD_WMM_GET_STATUS: +		ret = mwifiex_ret_wmm_get_status(priv, resp); +		break; +	case HostCmd_CMD_802_11_IBSS_COALESCING_STATUS: +		ret = mwifiex_ret_ibss_coalescing_status(priv, resp); +		break; +	case HostCmd_CMD_MAC_REG_ACCESS: +	case HostCmd_CMD_BBP_REG_ACCESS: +	case HostCmd_CMD_RF_REG_ACCESS: +	case HostCmd_CMD_PMIC_REG_ACCESS: +	case HostCmd_CMD_CAU_REG_ACCESS: +	case HostCmd_CMD_802_11_EEPROM_ACCESS: +		ret = mwifiex_ret_reg_access(cmdresp_no, resp, data_buf); +		break; +	case HostCmd_CMD_SET_BSS_MODE: +		break; +	case HostCmd_CMD_11N_CFG: +		ret = mwifiex_ret_11n_cfg(resp, data_buf); +		break; +	default: +		dev_err(adapter->dev, "CMD_RESP: unknown cmd response %#x\n", +		       resp->command); +		break; +	} + +	return ret; +}  |