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linux/drivers/net/wireless/mwifiex/sta_cmdresp.c
Yogesh Ashok Powar 270e58e889 mwifiex: remove unnecessary variable initialization 
Skip initialization of local variables with some default values
if the values are not going to be used further down the code path.

Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-05-05 14:59:16 -04:00

972 lines
28 KiB
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/*
* 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;
}
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