// SPDX-License-Identifier: GPL-2.0-only
/*
* NXP Wireless LAN device driver : functions for station ioctl
*
* Copyright 2011 - 2020 NXP
*/
#include "decl.h"
#include "ioctl.h"
#include "util.h"
#include "fw.h"
#include "main.h"
#include "wmm.h"
#include "11n.h"
#include "cfg80211.h"
static int disconnect_on_suspend;
module_param(disconnect_on_suspend, int , 0644 );
/*
* Copies the multicast address list from device to driver .
*
* This function does not validate the destination memory for
* size , and the calling function must ensure enough memory is
* available .
*/
int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
struct net_device *dev)
{
int i = 0 ;
struct netdev_hw_addr *ha;
netdev_for_each_mc_addr(ha, dev)
memcpy(&mlist->mac_list[i++], ha->addr, ETH_ALEN);
return i;
}
/*
* Wait queue completion handler .
*
* This function waits on a cmd wait queue . It also cancels the pending
* request after waking up , in case of errors .
*/
int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter,
struct cmd_ctrl_node *cmd_queued)
{
int status;
/* Wait for completion */
status = wait_event_interruptible_timeout(adapter->cmd_wait_q.wait,
*(cmd_queued->condition),
(12 * HZ));
if (status <= 0 ) {
if (status == 0 )
status = -ETIMEDOUT;
mwifiex_dbg(adapter, ERROR, "cmd_wait_q terminated: %d\n" ,
status);
mwifiex_cancel_all_pending_cmd(adapter);
return status;
}
status = adapter->cmd_wait_q.status;
adapter->cmd_wait_q.status = 0 ;
return status;
}
/*
* This function prepares the correct firmware command and
* issues it to set the multicast list .
*
* This function can be used to enable promiscuous mode , or enable all
* multicast packets , or to enable selective multicast .
*/
int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
struct mwifiex_multicast_list *mcast_list)
{
int ret = 0 ;
u16 old_pkt_filter;
old_pkt_filter = priv->curr_pkt_filter;
if (mcast_list->mode == MWIFIEX_PROMISC_MODE) {
mwifiex_dbg(priv->adapter, INFO,
"info: Enable Promiscuous mode\n" );
priv->curr_pkt_filter |= HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
priv->curr_pkt_filter &=
~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
} else {
/* Multicast */
priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
if (mcast_list->mode == MWIFIEX_ALL_MULTI_MODE) {
mwifiex_dbg(priv->adapter, INFO,
"info: Enabling All Multicast!\n" );
priv->curr_pkt_filter |=
HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
} else {
priv->curr_pkt_filter &=
~HostCmd_ACT_MAC_ALL_MULTICAST_ENABLE;
mwifiex_dbg(priv->adapter, INFO,
"info: Set multicast list=%d\n" ,
mcast_list->num_multicast_addr);
/* Send multicast addresses to firmware */
ret = mwifiex_send_cmd(priv,
HostCmd_CMD_MAC_MULTICAST_ADR,
HostCmd_ACT_GEN_SET, 0 ,
mcast_list, false );
}
}
mwifiex_dbg(priv->adapter, INFO,
"info: old_pkt_filter=%#x, curr_pkt_filter=%#x\n" ,
old_pkt_filter, priv->curr_pkt_filter);
if (old_pkt_filter != priv->curr_pkt_filter) {
ret = mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
HostCmd_ACT_GEN_SET,
0 , &priv->curr_pkt_filter, false );
}
return ret;
}
/*
* This function fills bss descriptor structure using provided
* information .
* beacon_ie buffer is allocated in this function . It is caller ' s
* responsibility to free the memory .
*/
int mwifiex_fill_new_bss_desc(struct mwifiex_private *priv,
struct cfg80211_bss *bss,
struct mwifiex_bssdescriptor *bss_desc)
{
u8 *beacon_ie;
size_t beacon_ie_len;
struct mwifiex_bss_priv *bss_priv = (void *)bss->priv;
const struct cfg80211_bss_ies *ies;
rcu_read_lock();
ies = rcu_dereference(bss->ies);
beacon_ie = kmemdup(ies->data, ies->len, GFP_ATOMIC);
beacon_ie_len = ies->len;
bss_desc->timestamp = ies->tsf;
rcu_read_unlock();
if (!beacon_ie) {
mwifiex_dbg(priv->adapter, ERROR,
" failed to alloc beacon_ie\n" );
return -ENOMEM;
}
memcpy(bss_desc->mac_address, bss->bssid, ETH_ALEN);
bss_desc->rssi = bss->signal;
/* The caller of this function will free beacon_ie */
bss_desc->beacon_buf = beacon_ie;
bss_desc->beacon_buf_size = beacon_ie_len;
bss_desc->beacon_period = bss->beacon_interval;
bss_desc->cap_info_bitmap = bss->capability;
bss_desc->bss_band = bss_priv->band;
bss_desc->fw_tsf = bss_priv->fw_tsf;
if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_PRIVACY) {
mwifiex_dbg(priv->adapter, INFO,
"info: InterpretIE: AP WEP enabled\n" );
bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_8021X_WEP;
} else {
bss_desc->privacy = MWIFIEX_802_11_PRIV_FILTER_ACCEPT_ALL;
}
if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_IBSS)
bss_desc->bss_mode = NL80211_IFTYPE_ADHOC;
else
bss_desc->bss_mode = NL80211_IFTYPE_STATION;
/* Disable 11ac by default. Enable it only where there
* exist VHT_CAP IE in AP beacon
*/
bss_desc->disable_11ac = true ;
if (bss_desc->cap_info_bitmap & WLAN_CAPABILITY_SPECTRUM_MGMT)
bss_desc->sensed_11h = true ;
return mwifiex_update_bss_desc_with_ie(priv->adapter, bss_desc);
}
void mwifiex_dnld_txpwr_table(struct mwifiex_private *priv)
{
if (priv->adapter->dt_node) {
char txpwr[] = {"marvell,00_txpwrlimit" };
memcpy(&txpwr[8 ], priv->adapter->country_code, 2 );
mwifiex_dnld_dt_cfgdata(priv, priv->adapter->dt_node, txpwr);
}
}
static int mwifiex_process_country_ie(struct mwifiex_private *priv,
struct cfg80211_bss *bss)
{
const u8 *country_ie;
u8 country_ie_len;
struct mwifiex_802_11d_domain_reg *domain_info =
&priv->adapter->domain_reg;
rcu_read_lock();
country_ie = ieee80211_bss_get_ie(bss, WLAN_EID_COUNTRY);
if (!country_ie) {
rcu_read_unlock();
return 0 ;
}
country_ie_len = country_ie[1 ];
if (country_ie_len < IEEE80211_COUNTRY_IE_MIN_LEN) {
rcu_read_unlock();
return 0 ;
}
if (!strncmp(priv->adapter->country_code, &country_ie[2 ], 2 )) {
rcu_read_unlock();
mwifiex_dbg(priv->adapter, INFO,
"11D: skip setting domain info in FW\n" );
return 0 ;
}
if (country_ie_len >
(IEEE80211_COUNTRY_STRING_LEN + MWIFIEX_MAX_TRIPLET_802_11D)) {
rcu_read_unlock();
mwifiex_dbg(priv->adapter, ERROR,
"11D: country_ie_len overflow!, deauth AP\n" );
return -EINVAL;
}
memcpy(priv->adapter->country_code, &country_ie[2 ], 2 );
domain_info->country_code[0 ] = country_ie[2 ];
domain_info->country_code[1 ] = country_ie[3 ];
domain_info->country_code[2 ] = ' ' ;
country_ie_len -= IEEE80211_COUNTRY_STRING_LEN;
domain_info->no_of_triplet =
country_ie_len / sizeof (struct ieee80211_country_ie_triplet);
memcpy((u8 *)domain_info->triplet,
&country_ie[2 ] + IEEE80211_COUNTRY_STRING_LEN, country_ie_len);
rcu_read_unlock();
if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO,
HostCmd_ACT_GEN_SET, 0 , NULL, false )) {
mwifiex_dbg(priv->adapter, ERROR,
"11D: setting domain info in FW fail\n" );
return -1 ;
}
mwifiex_dnld_txpwr_table(priv);
return 0 ;
}
/*
* In Ad - Hoc mode , the IBSS is created if not found in scan list .
* In both Ad - Hoc and infra mode , an deauthentication is performed
* first .
*/
int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
struct cfg80211_ssid *req_ssid)
{
int ret;
struct mwifiex_adapter *adapter = priv->adapter;
struct mwifiex_bssdescriptor *bss_desc = NULL;
priv->scan_block = false ;
if (bss) {
if (adapter->region_code == 0 x00 &&
mwifiex_process_country_ie(priv, bss))
return -EINVAL;
/* Allocate and fill new bss descriptor */
bss_desc = kzalloc(sizeof (struct mwifiex_bssdescriptor),
GFP_KERNEL);
if (!bss_desc)
return -ENOMEM;
ret = mwifiex_fill_new_bss_desc(priv, bss, bss_desc);
if (ret)
goto done;
}
if (priv->bss_mode == NL80211_IFTYPE_STATION ||
priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT) {
u8 config_bands;
if (!bss_desc)
return -1 ;
if (mwifiex_band_to_radio_type(bss_desc->bss_band) ==
HostCmd_SCAN_RADIO_TYPE_BG) {
config_bands = BAND_B | BAND_G | BAND_GN;
} else {
config_bands = BAND_A | BAND_AN;
if (adapter->fw_bands & BAND_AAC)
config_bands |= BAND_AAC;
}
if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands))
adapter->config_bands = config_bands;
ret = mwifiex_check_network_compatibility(priv, bss_desc);
if (ret)
goto done;
if (mwifiex_11h_get_csa_closed_channel(priv) ==
(u8)bss_desc->channel) {
mwifiex_dbg(adapter, ERROR,
"Attempt to reconnect on csa closed chan(%d)\n" ,
bss_desc->channel);
ret = -1 ;
goto done;
}
mwifiex_dbg(adapter, INFO,
"info: SSID found in scan list ...\t"
"associating...\n" );
mwifiex_stop_net_dev_queue(priv->netdev, adapter);
if (netif_carrier_ok(priv->netdev))
netif_carrier_off(priv->netdev);
/* Clear any past association response stored for
* application retrieval */
priv->assoc_rsp_size = 0 ;
ret = mwifiex_associate(priv, bss_desc);
/* If auth type is auto and association fails using open mode,
* try to connect using shared mode */
if (ret == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG &&
priv->sec_info.is_authtype_auto &&
priv->sec_info.wep_enabled) {
priv->sec_info.authentication_mode =
NL80211_AUTHTYPE_SHARED_KEY;
ret = mwifiex_associate(priv, bss_desc);
}
if (bss && !priv->adapter->host_mlme_enabled)
cfg80211_put_bss(priv->adapter->wiphy, bss);
} else {
/* Adhoc mode */
/* If the requested SSID matches current SSID, return */
if (bss_desc && bss_desc->ssid.ssid_len &&
cfg80211_ssid_eq(&priv->curr_bss_params.bss_descriptor.ssid,
&bss_desc->ssid)) {
ret = 0 ;
goto done;
}
ret = mwifiex_check_network_compatibility(priv, bss_desc);
mwifiex_stop_net_dev_queue(priv->netdev, adapter);
if (netif_carrier_ok(priv->netdev))
netif_carrier_off(priv->netdev);
if (!ret) {
mwifiex_dbg(adapter, INFO,
"info: network found in scan\t"
" list. Joining...\n" );
ret = mwifiex_adhoc_join(priv, bss_desc);
if (bss)
cfg80211_put_bss(priv->adapter->wiphy, bss);
} else {
mwifiex_dbg(adapter, INFO,
"info: Network not found in\t"
"the list, creating adhoc with ssid = %s\n" ,
req_ssid->ssid);
ret = mwifiex_adhoc_start(priv, req_ssid);
}
}
done:
/* beacon_ie buffer was allocated in function
* mwifiex_fill_new_bss_desc ( ) . Free it now .
*/
if (bss_desc)
kfree(bss_desc->beacon_buf);
kfree(bss_desc);
if (ret < 0 )
priv->attempted_bss_desc = NULL;
return ret;
}
/*
* IOCTL request handler to set host sleep configuration .
*
* This function prepares the correct firmware command and
* issues it .
*/
int mwifiex_set_hs_params(struct mwifiex_private *priv, u16 action,
int cmd_type, struct mwifiex_ds_hs_cfg *hs_cfg)
{
struct mwifiex_adapter *adapter = priv->adapter;
int status = 0 ;
u32 prev_cond = 0 ;
if (!hs_cfg)
return -ENOMEM;
switch (action) {
case HostCmd_ACT_GEN_SET:
if (adapter->pps_uapsd_mode) {
mwifiex_dbg(adapter, INFO,
"info: Host Sleep IOCTL\t"
"is blocked in UAPSD/PPS mode\n" );
status = -1 ;
break ;
}
if (hs_cfg->is_invoke_hostcmd) {
if (hs_cfg->conditions == HS_CFG_CANCEL) {
if (!test_bit(MWIFIEX_IS_HS_CONFIGURED,
&adapter->work_flags))
/* Already cancelled */
break ;
/* Save previous condition */
prev_cond = le32_to_cpu(adapter->hs_cfg
.conditions);
adapter->hs_cfg.conditions =
cpu_to_le32(hs_cfg->conditions);
} else if (hs_cfg->conditions) {
adapter->hs_cfg.conditions =
cpu_to_le32(hs_cfg->conditions);
adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
if (hs_cfg->gap)
adapter->hs_cfg.gap = (u8)hs_cfg->gap;
} else if (adapter->hs_cfg.conditions ==
cpu_to_le32(HS_CFG_CANCEL)) {
/* Return failure if no parameters for HS
enable */
status = -1 ;
break ;
}
status = mwifiex_send_cmd(priv,
HostCmd_CMD_802_11_HS_CFG_ENH,
HostCmd_ACT_GEN_SET, 0 ,
&adapter->hs_cfg,
cmd_type == MWIFIEX_SYNC_CMD);
if (hs_cfg->conditions == HS_CFG_CANCEL)
/* Restore previous condition */
adapter->hs_cfg.conditions =
cpu_to_le32(prev_cond);
} else {
adapter->hs_cfg.conditions =
cpu_to_le32(hs_cfg->conditions);
adapter->hs_cfg.gpio = (u8)hs_cfg->gpio;
adapter->hs_cfg.gap = (u8)hs_cfg->gap;
}
break ;
case HostCmd_ACT_GEN_GET:
hs_cfg->conditions = le32_to_cpu(adapter->hs_cfg.conditions);
hs_cfg->gpio = adapter->hs_cfg.gpio;
hs_cfg->gap = adapter->hs_cfg.gap;
break ;
default :
status = -1 ;
break ;
}
return status;
}
/*
* Sends IOCTL request to cancel the existing Host Sleep configuration .
*
* This function allocates the IOCTL request buffer , fills it
* with requisite parameters and calls the IOCTL handler .
*/
int mwifiex_cancel_hs(struct mwifiex_private *priv, int cmd_type)
{
struct mwifiex_ds_hs_cfg hscfg;
hscfg.conditions = HS_CFG_CANCEL;
hscfg.is_invoke_hostcmd = true ;
return mwifiex_set_hs_params(priv, HostCmd_ACT_GEN_SET,
cmd_type, &hscfg);
}
EXPORT_SYMBOL_GPL(mwifiex_cancel_hs);
/*
* Sends IOCTL request to cancel the existing Host Sleep configuration .
*
* This function allocates the IOCTL request buffer , fills it
* with requisite parameters and calls the IOCTL handler .
*/
int mwifiex_enable_hs(struct mwifiex_adapter *adapter)
{
struct mwifiex_ds_hs_cfg hscfg;
struct mwifiex_private *priv;
int i;
if (disconnect_on_suspend) {
for (i = 0 ; i < adapter->priv_num; i++) {
priv = adapter->priv[i];
mwifiex_deauthenticate(priv, NULL);
}
}
priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA);
if (priv && priv->sched_scanning) {
#ifdef CONFIG_PM
if (priv->wdev.wiphy->wowlan_config &&
!priv->wdev.wiphy->wowlan_config->nd_config) {
#endif
mwifiex_dbg(adapter, CMD, "aborting bgscan!\n" );
mwifiex_stop_bg_scan(priv);
cfg80211_sched_scan_stopped(priv->wdev.wiphy, 0 );
#ifdef CONFIG_PM
}
#endif
}
if (adapter->hs_activated) {
mwifiex_dbg(adapter, CMD,
"cmd: HS Already activated\n" );
return true ;
}
adapter->hs_activate_wait_q_woken = false ;
memset(&hscfg, 0 , sizeof (hscfg));
hscfg.is_invoke_hostcmd = true ;
set_bit(MWIFIEX_IS_HS_ENABLING, &adapter->work_flags);
mwifiex_cancel_all_pending_cmd(adapter);
if (mwifiex_set_hs_params(mwifiex_get_priv(adapter,
MWIFIEX_BSS_ROLE_STA),
HostCmd_ACT_GEN_SET, MWIFIEX_SYNC_CMD,
&hscfg)) {
mwifiex_dbg(adapter, ERROR,
"IOCTL request HS enable failed\n" );
return false ;
}
if (wait_event_interruptible_timeout(adapter->hs_activate_wait_q,
adapter->hs_activate_wait_q_woken,
(5 * HZ)) <= 0 ) {
mwifiex_dbg(adapter, ERROR,
"hs_activate_wait_q terminated\n" );
return false ;
}
return true ;
}
EXPORT_SYMBOL_GPL(mwifiex_enable_hs);
/*
* IOCTL request handler to get BSS information .
*
* This function collates the information from different driver structures
* to send to the user .
*/
int mwifiex_get_bss_info(struct mwifiex_private *priv,
struct mwifiex_bss_info *info)
{
struct mwifiex_adapter *adapter = priv->adapter;
struct mwifiex_bssdescriptor *bss_desc;
if (!info)
return -1 ;
bss_desc = &priv->curr_bss_params.bss_descriptor;
info->bss_mode = priv->bss_mode;
memcpy(&info->ssid, &bss_desc->ssid, sizeof (struct cfg80211_ssid));
memcpy(&info->bssid, &bss_desc->mac_address, ETH_ALEN);
info->bss_chan = bss_desc->channel;
memcpy(info->country_code, adapter->country_code,
IEEE80211_COUNTRY_STRING_LEN);
info->media_connected = priv->media_connected;
info->max_power_level = priv->max_tx_power_level;
info->min_power_level = priv->min_tx_power_level;
info->adhoc_state = priv->adhoc_state;
info->bcn_nf_last = priv->bcn_nf_last;
if (priv->sec_info.wep_enabled)
info->wep_status = true ;
else
info->wep_status = false ;
info->is_hs_configured = test_bit(MWIFIEX_IS_HS_CONFIGURED,
&adapter->work_flags);
info->is_deep_sleep = adapter->is_deep_sleep;
return 0 ;
}
/*
* The function disables auto deep sleep mode .
*/
int mwifiex_disable_auto_ds(struct mwifiex_private *priv)
{
struct mwifiex_ds_auto_ds auto_ds = {
.auto_ds = DEEP_SLEEP_OFF,
};
return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
DIS_AUTO_PS, BITMAP_AUTO_DS, &auto_ds, true );
}
EXPORT_SYMBOL_GPL(mwifiex_disable_auto_ds);
/*
* Sends IOCTL request to get the data rate .
*
* This function allocates the IOCTL request buffer , fills it
* with requisite parameters and calls the IOCTL handler .
*/
int mwifiex_drv_get_data_rate(struct mwifiex_private *priv, u32 *rate)
{
int ret;
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_TX_RATE_QUERY,
HostCmd_ACT_GEN_GET, 0 , NULL, true );
if (!ret) {
if (priv->is_data_rate_auto)
*rate = mwifiex_index_to_data_rate(priv, priv->tx_rate,
priv->tx_htinfo);
else
*rate = priv->data_rate;
}
return ret;
}
/*
* IOCTL request handler to set tx power configuration .
*
* This function prepares the correct firmware command and
* issues it .
*
* For non - auto power mode , all the following power groups are set -
* - Modulation class HR / DSSS
* - Modulation class OFDM
* - Modulation class HTBW20
* - Modulation class HTBW40
*/
int mwifiex_set_tx_power(struct mwifiex_private *priv,
struct mwifiex_power_cfg *power_cfg)
{
int ret;
struct host_cmd_ds_txpwr_cfg *txp_cfg;
struct mwifiex_types_power_group *pg_tlv;
struct mwifiex_power_group *pg;
u8 *buf;
u16 dbm = 0 ;
if (!power_cfg->is_power_auto) {
dbm = (u16) power_cfg->power_level;
if ((dbm < priv->min_tx_power_level) ||
(dbm > priv->max_tx_power_level)) {
mwifiex_dbg(priv->adapter, ERROR,
"txpower value %d dBm\t"
"is out of range (%d dBm-%d dBm)\n" ,
dbm, priv->min_tx_power_level,
priv->max_tx_power_level);
return -1 ;
}
}
buf = kzalloc(MWIFIEX_SIZE_OF_CMD_BUFFER, GFP_KERNEL);
if (!buf)
return -ENOMEM;
txp_cfg = (struct host_cmd_ds_txpwr_cfg *) buf;
txp_cfg->action = cpu_to_le16(HostCmd_ACT_GEN_SET);
if (!power_cfg->is_power_auto) {
u16 dbm_min = power_cfg->is_power_fixed ?
dbm : priv->min_tx_power_level;
txp_cfg->mode = cpu_to_le32(1 );
pg_tlv = (struct mwifiex_types_power_group *)
(buf + sizeof (struct host_cmd_ds_txpwr_cfg));
pg_tlv->type = cpu_to_le16(TLV_TYPE_POWER_GROUP);
pg_tlv->length =
cpu_to_le16(4 * sizeof (struct mwifiex_power_group));
pg = (struct mwifiex_power_group *)
(buf + sizeof (struct host_cmd_ds_txpwr_cfg)
+ sizeof (struct mwifiex_types_power_group));
/* Power group for modulation class HR/DSSS */
pg->first_rate_code = 0 x00;
pg->last_rate_code = 0 x03;
pg->modulation_class = MOD_CLASS_HR_DSSS;
pg->power_step = 0 ;
pg->power_min = (s8) dbm_min;
pg->power_max = (s8) dbm;
pg++;
/* Power group for modulation class OFDM */
pg->first_rate_code = 0 x00;
pg->last_rate_code = 0 x07;
pg->modulation_class = MOD_CLASS_OFDM;
pg->power_step = 0 ;
pg->power_min = (s8) dbm_min;
pg->power_max = (s8) dbm;
pg++;
/* Power group for modulation class HTBW20 */
pg->first_rate_code = 0 x00;
pg->last_rate_code = 0 x20;
pg->modulation_class = MOD_CLASS_HT;
pg->power_step = 0 ;
pg->power_min = (s8) dbm_min;
pg->power_max = (s8) dbm;
pg->ht_bandwidth = HT_BW_20;
pg++;
/* Power group for modulation class HTBW40 */
pg->first_rate_code = 0 x00;
pg->last_rate_code = 0 x20;
pg->modulation_class = MOD_CLASS_HT;
pg->power_step = 0 ;
pg->power_min = (s8) dbm_min;
pg->power_max = (s8) dbm;
pg->ht_bandwidth = HT_BW_40;
}
ret = mwifiex_send_cmd(priv, HostCmd_CMD_TXPWR_CFG,
HostCmd_ACT_GEN_SET, 0 , buf, true );
kfree(buf);
return ret;
}
/*
* IOCTL request handler to get power save mode .
*
* This function prepares the correct firmware command and
* issues it .
*/
int mwifiex_drv_set_power(struct mwifiex_private *priv, u32 *ps_mode)
{
int ret;
struct mwifiex_adapter *adapter = priv->adapter;
u16 sub_cmd;
if (*ps_mode)
adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_PSP;
else
adapter->ps_mode = MWIFIEX_802_11_POWER_MODE_CAM;
sub_cmd = (*ps_mode) ? EN_AUTO_PS : DIS_AUTO_PS;
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
sub_cmd, BITMAP_STA_PS, NULL, true );
if ((!ret) && (sub_cmd == DIS_AUTO_PS))
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_PS_MODE_ENH,
GET_PS, 0 , NULL, false );
return ret;
}
/*
* IOCTL request handler to set / reset WPA IE .
*
* The supplied WPA IE is treated as a opaque buffer . Only the first field
* is checked to determine WPA version . If buffer length is zero , the existing
* WPA IE is reset .
*/
static int mwifiex_set_wpa_ie(struct mwifiex_private *priv,
u8 *ie_data_ptr, u16 ie_len)
{
if (ie_len) {
if (ie_len > sizeof (priv->wpa_ie)) {
mwifiex_dbg(priv->adapter, ERROR,
"failed to copy WPA IE, too big\n" );
return -1 ;
}
memcpy(priv->wpa_ie, ie_data_ptr, ie_len);
priv->wpa_ie_len = ie_len;
mwifiex_dbg(priv->adapter, CMD,
"cmd: Set Wpa_ie_len=%d IE=%#x\n" ,
priv->wpa_ie_len, priv->wpa_ie[0 ]);
if (priv->wpa_ie[0 ] == WLAN_EID_VENDOR_SPECIFIC) {
priv->sec_info.wpa_enabled = true ;
} else if (priv->wpa_ie[0 ] == WLAN_EID_RSN) {
priv->sec_info.wpa2_enabled = true ;
} else {
priv->sec_info.wpa_enabled = false ;
priv->sec_info.wpa2_enabled = false ;
}
} else {
memset(priv->wpa_ie, 0 , sizeof (priv->wpa_ie));
priv->wpa_ie_len = 0 ;
mwifiex_dbg(priv->adapter, INFO,
"info: reset wpa_ie_len=%d IE=%#x\n" ,
priv->wpa_ie_len, priv->wpa_ie[0 ]);
priv->sec_info.wpa_enabled = false ;
priv->sec_info.wpa2_enabled = false ;
}
return 0 ;
}
/*
* IOCTL request handler to set / reset WAPI IE .
*
* The supplied WAPI IE is treated as a opaque buffer . Only the first field
* is checked to internally enable WAPI . If buffer length is zero , the existing
* WAPI IE is reset .
*/
static int mwifiex_set_wapi_ie(struct mwifiex_private *priv,
u8 *ie_data_ptr, u16 ie_len)
{
if (ie_len) {
if (ie_len > sizeof (priv->wapi_ie)) {
mwifiex_dbg(priv->adapter, ERROR,
"info: failed to copy WAPI IE, too big\n" );
return -1 ;
}
memcpy(priv->wapi_ie, ie_data_ptr, ie_len);
priv->wapi_ie_len = ie_len;
mwifiex_dbg(priv->adapter, CMD,
"cmd: Set wapi_ie_len=%d IE=%#x\n" ,
priv->wapi_ie_len, priv->wapi_ie[0 ]);
if (priv->wapi_ie[0 ] == WLAN_EID_BSS_AC_ACCESS_DELAY)
priv->sec_info.wapi_enabled = true ;
} else {
memset(priv->wapi_ie, 0 , sizeof (priv->wapi_ie));
priv->wapi_ie_len = ie_len;
mwifiex_dbg(priv->adapter, INFO,
"info: Reset wapi_ie_len=%d IE=%#x\n" ,
priv->wapi_ie_len, priv->wapi_ie[0 ]);
priv->sec_info.wapi_enabled = false ;
}
return 0 ;
}
/*
* IOCTL request handler to set / reset WPS IE .
*
* The supplied WPS IE is treated as a opaque buffer . Only the first field
* is checked to internally enable WPS . If buffer length is zero , the existing
* WPS IE is reset .
*/
static int mwifiex_set_wps_ie(struct mwifiex_private *priv,
u8 *ie_data_ptr, u16 ie_len)
{
if (ie_len) {
if (ie_len > MWIFIEX_MAX_VSIE_LEN) {
mwifiex_dbg(priv->adapter, ERROR,
"info: failed to copy WPS IE, too big\n" );
return -1 ;
}
priv->wps_ie = kzalloc(MWIFIEX_MAX_VSIE_LEN, GFP_KERNEL);
if (!priv->wps_ie)
return -ENOMEM;
memcpy(priv->wps_ie, ie_data_ptr, ie_len);
priv->wps_ie_len = ie_len;
mwifiex_dbg(priv->adapter, CMD,
"cmd: Set wps_ie_len=%d IE=%#x\n" ,
priv->wps_ie_len, priv->wps_ie[0 ]);
} else {
kfree(priv->wps_ie);
priv->wps_ie_len = ie_len;
mwifiex_dbg(priv->adapter, INFO,
"info: Reset wps_ie_len=%d\n" , priv->wps_ie_len);
}
return 0 ;
}
/*
* IOCTL request handler to set WAPI key .
*
* This function prepares the correct firmware command and
* issues it .
*/
static int mwifiex_sec_ioctl_set_wapi_key(struct mwifiex_private *priv,
struct mwifiex_ds_encrypt_key *encrypt_key)
{
return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
HostCmd_ACT_GEN_SET, KEY_INFO_ENABLED,
encrypt_key, true );
}
/*
* IOCTL request handler to set WEP network key .
*
* This function prepares the correct firmware command and
* issues it , after validation checks .
*/
static int mwifiex_sec_ioctl_set_wep_key(struct mwifiex_private *priv,
struct mwifiex_ds_encrypt_key *encrypt_key)
{
struct mwifiex_adapter *adapter = priv->adapter;
int ret;
struct mwifiex_wep_key *wep_key;
int index;
if (priv->wep_key_curr_index >= NUM_WEP_KEYS)
priv->wep_key_curr_index = 0 ;
wep_key = &priv->wep_key[priv->wep_key_curr_index];
index = encrypt_key->key_index;
if (encrypt_key->key_disable) {
priv->sec_info.wep_enabled = 0 ;
} else if (!encrypt_key->key_len) {
/* Copy the required key as the current key */
wep_key = &priv->wep_key[index];
if (!wep_key->key_length) {
mwifiex_dbg(adapter, ERROR,
"key not set, so cannot enable it\n" );
return -1 ;
}
if (adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2) {
memcpy(encrypt_key->key_material,
wep_key->key_material, wep_key->key_length);
encrypt_key->key_len = wep_key->key_length;
}
priv->wep_key_curr_index = (u16) index;
priv->sec_info.wep_enabled = 1 ;
} else {
wep_key = &priv->wep_key[index];
memset(wep_key, 0 , sizeof (struct mwifiex_wep_key));
/* Copy the key in the driver */
memcpy(wep_key->key_material,
encrypt_key->key_material,
encrypt_key->key_len);
wep_key->key_index = index;
wep_key->key_length = encrypt_key->key_len;
priv->sec_info.wep_enabled = 1 ;
}
if (wep_key->key_length) {
void *enc_key;
if (encrypt_key->key_disable) {
memset(&priv->wep_key[index], 0 ,
sizeof (struct mwifiex_wep_key));
goto done;
}
if (adapter->key_api_major_ver == KEY_API_VER_MAJOR_V2)
enc_key = encrypt_key;
else
enc_key = NULL;
/* Send request to firmware */
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
HostCmd_ACT_GEN_SET, 0 , enc_key, false );
if (ret)
return ret;
}
done:
if (priv->sec_info.wep_enabled)
priv->curr_pkt_filter |= HostCmd_ACT_MAC_WEP_ENABLE;
else
priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_WEP_ENABLE;
ret = mwifiex_send_cmd(priv, HostCmd_CMD_MAC_CONTROL,
HostCmd_ACT_GEN_SET, 0 ,
&priv->curr_pkt_filter, true );
return ret;
}
/*
* IOCTL request handler to set WPA key .
*
* This function prepares the correct firmware command and
* issues it , after validation checks .
*
* Current driver only supports key length of up to 32 bytes .
*
* This function can also be used to disable a currently set key .
*/
static int mwifiex_sec_ioctl_set_wpa_key(struct mwifiex_private *priv,
struct mwifiex_ds_encrypt_key *encrypt_key)
{
int ret;
u8 remove_key = false ;
struct host_cmd_ds_802_11_key_material *ibss_key;
/* Current driver only supports key length of up to 32 bytes */
if (encrypt_key->key_len > WLAN_MAX_KEY_LEN) {
mwifiex_dbg(priv->adapter, ERROR,
"key length too long\n" );
return -1 ;
}
if (priv->bss_mode == NL80211_IFTYPE_ADHOC) {
/*
* IBSS / WPA - None uses only one key ( Group ) for both receiving
* and sending unicast and multicast packets .
*/
/* Send the key as PTK to firmware */
encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
HostCmd_ACT_GEN_SET,
KEY_INFO_ENABLED, encrypt_key, false );
if (ret)
return ret;
ibss_key = &priv->aes_key;
memset(ibss_key, 0 ,
sizeof (struct host_cmd_ds_802_11_key_material));
/* Copy the key in the driver */
memcpy(ibss_key->key_param_set.key, encrypt_key->key_material,
encrypt_key->key_len);
memcpy(&ibss_key->key_param_set.key_len, &encrypt_key->key_len,
sizeof (ibss_key->key_param_set.key_len));
ibss_key->key_param_set.key_type_id
= cpu_to_le16(KEY_TYPE_ID_TKIP);
ibss_key->key_param_set.key_info = cpu_to_le16(KEY_ENABLED);
/* Send the key as GTK to firmware */
encrypt_key->key_index = ~MWIFIEX_KEY_INDEX_UNICAST;
}
if (!encrypt_key->key_index)
encrypt_key->key_index = MWIFIEX_KEY_INDEX_UNICAST;
if (remove_key)
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
HostCmd_ACT_GEN_SET,
!KEY_INFO_ENABLED, encrypt_key, true );
else
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL,
HostCmd_ACT_GEN_SET,
KEY_INFO_ENABLED, encrypt_key, true );
return ret;
}
/*
* IOCTL request handler to set / get network keys .
*
* This is a generic key handling function which supports WEP , WPA
* and WAPI .
*/
static int
mwifiex_sec_ioctl_encrypt_key(struct mwifiex_private *priv,
struct mwifiex_ds_encrypt_key *encrypt_key)
{
int status;
if (encrypt_key->is_wapi_key)
status = mwifiex_sec_ioctl_set_wapi_key(priv, encrypt_key);
else if (encrypt_key->key_len > WLAN_KEY_LEN_WEP104)
status = mwifiex_sec_ioctl_set_wpa_key(priv, encrypt_key);
else
status = mwifiex_sec_ioctl_set_wep_key(priv, encrypt_key);
return status;
}
/*
* This function returns the driver version .
*/
int
mwifiex_drv_get_driver_version(struct mwifiex_adapter *adapter, char *version,
int max_len)
{
union {
__le32 l;
u8 c[4 ];
} ver;
char fw_ver[32 ];
ver.l = cpu_to_le32(adapter->fw_release_number);
sprintf(fw_ver, "%u.%u.%u.p%u" , ver.c[2 ], ver.c[1 ], ver.c[0 ], ver.c[3 ]);
snprintf(version, max_len, driver_version, fw_ver);
mwifiex_dbg(adapter, MSG, "info: MWIFIEX VERSION: %s\n" , version);
return 0 ;
}
/*
* Sends IOCTL request to set encoding parameters .
*
* This function allocates the IOCTL request buffer , fills it
* with requisite parameters and calls the IOCTL handler .
*/
int mwifiex_set_encode(struct mwifiex_private *priv, struct key_params *kp,
const u8 *key, int key_len, u8 key_index,
const u8 *mac_addr, int disable)
{
struct mwifiex_ds_encrypt_key encrypt_key;
memset(&encrypt_key, 0 , sizeof (encrypt_key));
encrypt_key.key_len = key_len;
encrypt_key.key_index = key_index;
if (kp && kp->cipher == WLAN_CIPHER_SUITE_AES_CMAC)
encrypt_key.is_igtk_key = true ;
if (!disable) {
if (key_len)
memcpy(encrypt_key.key_material, key, key_len);
else
encrypt_key.is_current_wep_key = true ;
if (mac_addr)
memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
if (kp && kp->seq && kp->seq_len) {
memcpy(encrypt_key.pn, kp->seq, kp->seq_len);
encrypt_key.pn_len = kp->seq_len;
encrypt_key.is_rx_seq_valid = true ;
}
} else {
encrypt_key.key_disable = true ;
if (mac_addr)
memcpy(encrypt_key.mac_addr, mac_addr, ETH_ALEN);
}
return mwifiex_sec_ioctl_encrypt_key(priv, &encrypt_key);
}
/*
* Sends IOCTL request to get extended version .
*
* This function allocates the IOCTL request buffer , fills it
* with requisite parameters and calls the IOCTL handler .
*/
int
mwifiex_get_ver_ext(struct mwifiex_private *priv, u32 version_str_sel)
{
struct mwifiex_ver_ext ver_ext;
memset(&ver_ext, 0 , sizeof (ver_ext));
ver_ext.version_str_sel = version_str_sel;
if (mwifiex_send_cmd(priv, HostCmd_CMD_VERSION_EXT,
HostCmd_ACT_GEN_GET, 0 , &ver_ext, true ))
return -1 ;
return 0 ;
}
int
mwifiex_remain_on_chan_cfg(struct mwifiex_private *priv, u16 action,
struct ieee80211_channel *chan,
unsigned int duration)
{
struct host_cmd_ds_remain_on_chan roc_cfg;
u8 sc;
memset(&roc_cfg, 0 , sizeof (roc_cfg));
roc_cfg.action = cpu_to_le16(action);
if (action == HostCmd_ACT_GEN_SET) {
roc_cfg.band_cfg = chan->band;
sc = mwifiex_chan_type_to_sec_chan_offset(NL80211_CHAN_NO_HT);
roc_cfg.band_cfg |= (sc << 2 );
roc_cfg.channel =
ieee80211_frequency_to_channel(chan->center_freq);
roc_cfg.duration = cpu_to_le32(duration);
}
if (mwifiex_send_cmd(priv, HostCmd_CMD_REMAIN_ON_CHAN,
action, 0 , &roc_cfg, true )) {
mwifiex_dbg(priv->adapter, ERROR,
"failed to remain on channel\n" );
return -1 ;
}
return roc_cfg.status;
}
/*
* Sends IOCTL request to get statistics information .
*
* This function allocates the IOCTL request buffer , fills it
* with requisite parameters and calls the IOCTL handler .
*/
int
mwifiex_get_stats_info(struct mwifiex_private *priv,
struct mwifiex_ds_get_stats *log)
{
return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_GET_LOG,
HostCmd_ACT_GEN_GET, 0 , log, true );
}
/*
* IOCTL request handler to read / write register .
*
* This function prepares the correct firmware command and
* issues it .
*
* Access to the following registers are supported -
* - MAC
* - BBP
* - RF
* - PMIC
* - CAU
*/
static int mwifiex_reg_mem_ioctl_reg_rw(struct mwifiex_private *priv,
struct mwifiex_ds_reg_rw *reg_rw,
u16 action)
{
u16 cmd_no;
switch (reg_rw->type) {
case MWIFIEX_REG_MAC:
cmd_no = HostCmd_CMD_MAC_REG_ACCESS;
break ;
case MWIFIEX_REG_BBP:
cmd_no = HostCmd_CMD_BBP_REG_ACCESS;
break ;
case MWIFIEX_REG_RF:
cmd_no = HostCmd_CMD_RF_REG_ACCESS;
break ;
case MWIFIEX_REG_PMIC:
cmd_no = HostCmd_CMD_PMIC_REG_ACCESS;
break ;
case MWIFIEX_REG_CAU:
cmd_no = HostCmd_CMD_CAU_REG_ACCESS;
break ;
default :
return -1 ;
}
return mwifiex_send_cmd(priv, cmd_no, action, 0 , reg_rw, true );
}
/*
* Sends IOCTL request to write to a register .
*
* This function allocates the IOCTL request buffer , fills it
* with requisite parameters and calls the IOCTL handler .
*/
int
mwifiex_reg_write(struct mwifiex_private *priv, u32 reg_type,
u32 reg_offset, u32 reg_value)
{
struct mwifiex_ds_reg_rw reg_rw;
reg_rw.type = reg_type;
reg_rw.offset = reg_offset;
reg_rw.value = reg_value;
return mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_SET);
}
/*
* Sends IOCTL request to read from a register .
*
* This function allocates the IOCTL request buffer , fills it
* with requisite parameters and calls the IOCTL handler .
*/
int
mwifiex_reg_read(struct mwifiex_private *priv, u32 reg_type,
u32 reg_offset, u32 *value)
{
int ret;
struct mwifiex_ds_reg_rw reg_rw;
reg_rw.type = reg_type;
reg_rw.offset = reg_offset;
ret = mwifiex_reg_mem_ioctl_reg_rw(priv, ®_rw, HostCmd_ACT_GEN_GET);
if (ret)
goto done;
*value = reg_rw.value;
done:
return ret;
}
/*
* Sends IOCTL request to read from EEPROM .
*
* This function allocates the IOCTL request buffer , fills it
* with requisite parameters and calls the IOCTL handler .
*/
int
mwifiex_eeprom_read(struct mwifiex_private *priv, u16 offset, u16 bytes,
u8 *value)
{
int ret;
struct mwifiex_ds_read_eeprom rd_eeprom;
rd_eeprom.offset = offset;
rd_eeprom.byte_count = bytes;
/* Send request to firmware */
ret = mwifiex_send_cmd(priv, HostCmd_CMD_802_11_EEPROM_ACCESS,
HostCmd_ACT_GEN_GET, 0 , &rd_eeprom, true );
if (!ret)
memcpy(value, rd_eeprom.value, min((u16)MAX_EEPROM_DATA,
rd_eeprom.byte_count));
return ret;
}
/*
* This function sets a generic IE . In addition to generic IE , it can
* also handle WPA , WPA2 and WAPI IEs .
*/
static int
mwifiex_set_gen_ie_helper(struct mwifiex_private *priv, u8 *ie_data_ptr,
u16 ie_len)
{
struct ieee_types_vendor_header *pvendor_ie;
static const u8 wpa_oui[] = { 0 x00, 0 x50, 0 xf2, 0 x01 };
static const u8 wps_oui[] = { 0 x00, 0 x50, 0 xf2, 0 x04 };
u16 unparsed_len = ie_len, cur_ie_len;
/* If the passed length is zero, reset the buffer */
if (!ie_len) {
priv->gen_ie_buf_len = 0 ;
priv->wps.session_enable = false ;
return 0 ;
} else if (!ie_data_ptr ||
ie_len <= sizeof (struct ieee_types_header)) {
return -1 ;
}
pvendor_ie = (struct ieee_types_vendor_header *) ie_data_ptr;
while (pvendor_ie) {
cur_ie_len = pvendor_ie->len + sizeof (struct ieee_types_header);
if (pvendor_ie->element_id == WLAN_EID_RSN) {
/* IE is a WPA/WPA2 IE so call set_wpa function */
mwifiex_set_wpa_ie(priv, (u8 *)pvendor_ie, cur_ie_len);
priv->wps.session_enable = false ;
goto next_ie;
}
if (pvendor_ie->element_id == WLAN_EID_BSS_AC_ACCESS_DELAY) {
/* IE is a WAPI IE so call set_wapi function */
mwifiex_set_wapi_ie(priv, (u8 *)pvendor_ie,
cur_ie_len);
goto next_ie;
}
if (pvendor_ie->element_id == WLAN_EID_VENDOR_SPECIFIC) {
/* Test to see if it is a WPA IE, if not, then
* it is a gen IE
*/
if (!memcmp(&pvendor_ie->oui, wpa_oui,
sizeof (wpa_oui))) {
/* IE is a WPA/WPA2 IE so call set_wpa function
*/
mwifiex_set_wpa_ie(priv, (u8 *)pvendor_ie,
cur_ie_len);
priv->wps.session_enable = false ;
goto next_ie;
}
if (!memcmp(&pvendor_ie->oui, wps_oui,
sizeof (wps_oui))) {
/* Test to see if it is a WPS IE,
* if so , enable wps session flag
*/
priv->wps.session_enable = true ;
mwifiex_dbg(priv->adapter, MSG,
"WPS Session Enabled.\n" );
mwifiex_set_wps_ie(priv, (u8 *)pvendor_ie,
cur_ie_len);
goto next_ie;
}
}
/* Saved in gen_ie, such as P2P IE.etc.*/
/* Verify that the passed length is not larger than the
* available space remaining in the buffer
*/
if (cur_ie_len <
(sizeof (priv->gen_ie_buf) - priv->gen_ie_buf_len)) {
/* Append the passed data to the end
* of the genIeBuffer
*/
memcpy(priv->gen_ie_buf + priv->gen_ie_buf_len,
(u8 *)pvendor_ie, cur_ie_len);
/* Increment the stored buffer length by the
* size passed
*/
priv->gen_ie_buf_len += cur_ie_len;
}
next_ie:
unparsed_len -= cur_ie_len;
if (unparsed_len <= sizeof (struct ieee_types_header))
pvendor_ie = NULL;
else
pvendor_ie = (struct ieee_types_vendor_header *)
(((u8 *)pvendor_ie) + cur_ie_len);
}
return 0 ;
}
/*
* IOCTL request handler to set / get generic IE .
*
* In addition to various generic IEs , this function can also be
* used to set the ARP filter .
*/
static int mwifiex_misc_ioctl_gen_ie(struct mwifiex_private *priv,
struct mwifiex_ds_misc_gen_ie *gen_ie,
u16 action)
{
struct mwifiex_adapter *adapter = priv->adapter;
switch (gen_ie->type) {
case MWIFIEX_IE_TYPE_GEN_IE:
if (action == HostCmd_ACT_GEN_GET) {
gen_ie->len = priv->wpa_ie_len;
memcpy(gen_ie->ie_data, priv->wpa_ie, gen_ie->len);
} else {
mwifiex_set_gen_ie_helper(priv, gen_ie->ie_data,
(u16) gen_ie->len);
}
break ;
case MWIFIEX_IE_TYPE_ARP_FILTER:
memset(adapter->arp_filter, 0 , sizeof (adapter->arp_filter));
if (gen_ie->len > ARP_FILTER_MAX_BUF_SIZE) {
adapter->arp_filter_size = 0 ;
mwifiex_dbg(adapter, ERROR,
"invalid ARP filter size\n" );
return -1 ;
} else {
memcpy(adapter->arp_filter, gen_ie->ie_data,
gen_ie->len);
adapter->arp_filter_size = gen_ie->len;
}
break ;
default :
mwifiex_dbg(adapter, ERROR, "invalid IE type\n" );
return -1 ;
}
return 0 ;
}
/*
* Sends IOCTL request to set a generic IE .
*
* This function allocates the IOCTL request buffer , fills it
* with requisite parameters and calls the IOCTL handler .
*/
int
mwifiex_set_gen_ie(struct mwifiex_private *priv, const u8 *ie, int ie_len)
{
struct mwifiex_ds_misc_gen_ie gen_ie;
if (ie_len > IEEE_MAX_IE_SIZE)
return -EFAULT;
gen_ie.type = MWIFIEX_IE_TYPE_GEN_IE;
gen_ie.len = ie_len;
memcpy(gen_ie.ie_data, ie, ie_len);
if (mwifiex_misc_ioctl_gen_ie(priv, &gen_ie, HostCmd_ACT_GEN_SET))
return -EFAULT;
return 0 ;
}
/* This function get Host Sleep wake up reason.
*
*/
int mwifiex_get_wakeup_reason(struct mwifiex_private *priv, u16 action,
int cmd_type,
struct mwifiex_ds_wakeup_reason *wakeup_reason)
{
int status = 0 ;
status = mwifiex_send_cmd(priv, HostCmd_CMD_HS_WAKEUP_REASON,
HostCmd_ACT_GEN_GET, 0 , wakeup_reason,
cmd_type == MWIFIEX_SYNC_CMD);
return status;
}
int mwifiex_get_chan_info(struct mwifiex_private *priv,
struct mwifiex_channel_band *channel_band)
{
int status = 0 ;
status = mwifiex_send_cmd(priv, HostCmd_CMD_STA_CONFIGURE,
HostCmd_ACT_GEN_GET, 0 , channel_band,
MWIFIEX_SYNC_CMD);
return status;
}
Messung V0.5 in Prozent C=96 H=96 G=95
¤ Dauer der Verarbeitung: 0.28 Sekunden
(vorverarbeitet am 2026-10-02)
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