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coral / imx-board-wlan-src / d3085e54490a351dd318d44b79688c13d213625f / . / CORE / HDD / src / wlan_hdd_ocb.c
blob: 8de1fd9cf7b15c7ff228c8ec2617ad7ef38d2c66 [file] [log] [blame]
/*
* Copyright (c) 2015-2018 The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/*
* This file was originally distributed by Qualcomm Atheros, Inc.
* under proprietary terms before Copyright ownership was assigned
* to the Linux Foundation.
*/
/**
* DOC: wma_hdd_ocb.c
*
* WLAN Host Device Driver 802.11p OCB implementation
*/
#include "vos_sched.h"
#include "wlan_hdd_assoc.h"
#include "wlan_hdd_main.h"
#include "wlan_hdd_ocb.h"
#include "wlan_hdd_trace.h"
#include "wlan_tgt_def_config.h"
#include "schApi.h"
#include "wma.h"
#include "vos_types.h"
/* Structure definitions for WLAN_SET_DOT11P_CHANNEL_SCHED */
#define AIFSN_MIN (2)
#define AIFSN_MAX (15)
#define CW_MIN (1)
#define CW_MAX (10)
/* Maximum time(ms) to wait for OCB operations */
#define WLAN_WAIT_TIME_OCB_CMD 1500
#define HDD_OCB_MAGIC 0x489a154f
/**
* struct hdd_ocb_ctxt - Context for OCB operations
* adapter: the ocb adapter
* completion_evt: the completion event
* status: status of the request
*/
struct hdd_ocb_ctxt {
uint32_t magic;
hdd_adapter_t *adapter;
struct completion completion_evt;
int status;
};
/**
* hdd_set_dot11p_config() - Set 802.11p config flag
* @hdd_ctx: HDD Context pointer
*
* TODO-OCB: This has been temporarily added to ensure this paramter
* is set in CSR when we init the channel list. This should be removed
* once the 5.9 GHz channels are added to the regulatory domain.
*/
void hdd_set_dot11p_config(hdd_context_t *hdd_ctx)
{
sme_set_dot11p_config(hdd_ctx->hHal,
hdd_ctx->cfg_ini->dot11p_mode !=
WLAN_HDD_11P_DISABLED);
}
/**
* dot11p_validate_qos_params() - Check if QoS parameters are valid
* @qos_params: Array of QoS parameters
*
* Return: 0 on success. error code on failure.
*/
static int dot11p_validate_qos_params(struct sir_qos_params qos_params[])
{
int i;
for (i = 0; i < MAX_NUM_AC; i++) {
if ((!qos_params[i].aifsn) && (!qos_params[i].cwmin)
&& (!qos_params[i].cwmax))
continue;
/* Validate AIFSN */
if ((qos_params[i].aifsn < AIFSN_MIN)
|| (qos_params[i].aifsn > AIFSN_MAX)) {
hddLog(LOGE, FL("Invalid QoS parameter aifsn %d"),
qos_params[i].aifsn);
return -EINVAL;
}
/* Validate CWMin */
if ((qos_params[i].cwmin < CW_MIN)
|| (qos_params[i].cwmin > CW_MAX)) {
hddLog(LOGE, FL("Invalid QoS parameter cwmin %d"),
qos_params[i].cwmin);
return -EINVAL;
}
/* Validate CWMax */
if ((qos_params[i].cwmax < CW_MIN)
|| (qos_params[i].cwmax > CW_MAX)) {
hddLog(LOGE, FL("Invalid QoS parameter cwmax %d"),
qos_params[i].cwmax);
return -EINVAL;
}
}
return 0;
}
#ifdef FEATURE_STATICALLY_ADD_11P_CHANNELS
#define DOT11P_TX_PWR_MAX 30
#define DOT11P_TX_ANTENNA_MAX 6
#define NUM_DOT11P_CHANNELS ARRAY_SIZE(valid_dot11p_channels)
/*
* If FEATURE_STATICALLY_ADD_11P_CHANNELS
* is defined, IEEE80211_CHAN_NO_10MHZ,
* and IEEE80211_CHAN_NO_20MHZ won't
* be defined.
*/
#define IEEE80211_CHAN_NO_20MHZ (1<<11)
#define IEEE80211_CHAN_NO_10MHZ (1<<12)
/**
* struct chan_info - information for the channel
* @center_freq: center frequency
* @max_bandwidth: maximum bandwidth of the channel in MHz
*/
struct chan_info {
uint32_t center_freq;
uint32_t max_bandwidth;
};
struct chan_info valid_dot11p_channels[] = {
{5860, 10},
{5870, 10},
{5880, 10},
{5890, 10},
{5900, 10},
{5910, 10},
{5920, 10},
{5875, 20},
{5905, 20},
{5852, 5},
{5857, 5},
{5862, 5},
{5867, 5},
{5872, 5},
{5877, 5},
{5882, 5},
{5887, 5},
{5892, 5},
{5897, 5},
{5902, 5},
{5907, 5},
{5912, 5},
{5917, 5},
{5922, 5},
};
/**
* dot11p_validate_channel_static_channels() - validate a DSRC channel
* @center_freq: the channel's center frequency
* @bandwidth: the channel's bandwidth
* @tx_power: transmit power
* @reg_power: (output) the max tx power from the regulatory domain
* @antenna_max: (output) the max antenna gain from the regulatory domain
*
* This function of the function checks the channel parameters against a
* hardcoded list of valid channels based on the FCC rules.
*
* Return: 0 if the channel is valid, error code otherwise.
*/
static int dot11p_validate_channel_static_channels(struct wiphy *wiphy,
uint32_t channel_freq, uint32_t bandwidth, uint32_t tx_power,
uint8_t *reg_power, uint8_t *antenna_max)
{
int i;
for (i = 0; i < NUM_DOT11P_CHANNELS; i++) {
if (channel_freq == valid_dot11p_channels[i].center_freq) {
if (reg_power)
*reg_power = DOT11P_TX_PWR_MAX;
if (antenna_max)
*antenna_max = DOT11P_TX_ANTENNA_MAX;
if (bandwidth == 0)
bandwidth =
valid_dot11p_channels[i].max_bandwidth;
else if (bandwidth >
valid_dot11p_channels[i].max_bandwidth)
return -EINVAL;
if (bandwidth != 5 && bandwidth != 10 &&
bandwidth != 20)
return -EINVAL;
if (tx_power > DOT11P_TX_PWR_MAX)
return -EINVAL;
return 0;
}
}
return -EINVAL;
}
#else
/**
* dot11p_validate_channel_static_channels() - validate a DSRC channel
* @center_freq: the channel's center frequency
* @bandwidth: the channel's bandwidth
* @tx_power: transmit power
* @reg_power: (output) the max tx power from the regulatory domain
* @antenna_max: (output) the max antenna gain from the regulatory domain
*
* This function of the function checks the channel parameters against a
* hardcoded list of valid channels based on the FCC rules.
*
* Return: 0 if the channel is valid, error code otherwise.
*/
static int dot11p_validate_channel_static_channels(struct wiphy *wiphy,
uint32_t channel_freq, uint32_t bandwidth, uint32_t tx_power,
uint8_t *reg_power, uint8_t *antenna_max)
{
return -EINVAL;
}
#endif /* FEATURE_STATICALLY_ADD_11P_CHANNELS */
/**
* dot11p_validate_channel() - validates a DSRC channel
* @center_freq: the channel's center frequency
* @bandwidth: the channel's bandwidth
* @tx_power: transmit power
* @reg_power: (output) the max tx power from the regulatory domain
* @antenna_max: (output) the max antenna gain from the regulatory domain
*
* Return: 0 if the channel is valid, error code otherwise.
*/
static int dot11p_validate_channel(struct wiphy *wiphy,
uint32_t channel_freq, uint32_t bandwidth,
uint32_t tx_power, uint8_t *reg_power,
uint8_t *antenna_max)
{
int band_idx, channel_idx;
struct ieee80211_supported_band *current_band;
struct ieee80211_channel *current_channel;
for (band_idx = 0; band_idx < IEEE80211_NUM_BANDS; band_idx++) {
current_band = wiphy->bands[band_idx];
if (!current_band)
continue;
for (channel_idx = 0; channel_idx < current_band->n_channels;
channel_idx++) {
current_channel = &current_band->channels[channel_idx];
if (channel_freq == current_channel->center_freq) {
if (current_channel->flags &
IEEE80211_CHAN_DISABLED)
return -EINVAL;
if (reg_power)
*reg_power =
current_channel->max_reg_power;
if (antenna_max)
*antenna_max =
current_channel->max_antenna_gain;
switch (bandwidth) {
case 0:
if (current_channel->flags &
IEEE80211_CHAN_NO_10MHZ)
bandwidth = 5;
else if (current_channel->flags &
IEEE80211_CHAN_NO_20MHZ)
bandwidth = 10;
else
bandwidth = 20;
break;
case 5:
break;
case 10:
if (current_channel->flags &
IEEE80211_CHAN_NO_10MHZ)
return -EINVAL;
break;
case 20:
if (current_channel->flags &
IEEE80211_CHAN_NO_20MHZ)
return -EINVAL;
break;
default:
return -EINVAL;
}
if (tx_power > current_channel->max_power)
return -EINVAL;
return 0;
}
}
}
return dot11p_validate_channel_static_channels(wiphy, channel_freq,
bandwidth, tx_power, reg_power, antenna_max);
}
/**
* hdd_ocb_validate_config() - Validates the config data
* @config: configuration to be validated
*
* Return: 0 on success.
*/
static int hdd_ocb_validate_config(hdd_adapter_t *adapter,
struct sir_ocb_config *config)
{
int i;
hdd_context_t *hdd_ctx = WLAN_HDD_GET_CTX(adapter);
for (i = 0; i < config->channel_count; i++) {
if (dot11p_validate_channel(hdd_ctx->wiphy,
config->channels[i].chan_freq,
config->channels[i].bandwidth,
config->channels[i].max_pwr,
&config->channels[i].reg_pwr,
&config->channels[i].antenna_max)) {
hddLog(LOGE, FL("Invalid channel frequency %d"),
config->channels[i].chan_freq);
return -EINVAL;
}
if (dot11p_validate_qos_params(config->channels[i].qos_params))
return -EINVAL;
}
return 0;
}
/**
* hdd_ocb_register_sta() - Register station with Transport Layer
* @adapter: Pointer to HDD Adapter
*
* This function should be invoked in the OCB Set Schedule callback
* to enable the data path in the TL by calling RegisterSTAClient
*
* Return: 0 on success. -1 on failure.
*/
static int hdd_ocb_register_sta(hdd_adapter_t *adapter)
{
VOS_STATUS vos_status = VOS_STATUS_E_FAILURE;
WLAN_STADescType sta_desc = {0};
hdd_context_t *hdd_ctx = WLAN_HDD_GET_CTX(adapter);
hdd_station_ctx_t *pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);
u_int8_t peer_id;
v_MACADDR_t wildcardBSSID = {
{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
};
vos_status = WLANTL_RegisterOCBPeer(hdd_ctx->pvosContext,
adapter->macAddressCurrent.bytes,
&peer_id);
if (!VOS_IS_STATUS_SUCCESS(vos_status)) {
hddLog(LOGE, FL("Error registering OCB Self Peer!"));
return -EINVAL;
}
hdd_ctx->sta_to_adapter[peer_id] = adapter;
sta_desc.ucSTAId = peer_id;
/* Fill in MAC addresses */
vos_copy_macaddr(&sta_desc.vSelfMACAddress,
&adapter->macAddressCurrent);
vos_copy_macaddr(&sta_desc.vSTAMACAddress, &adapter->macAddressCurrent);
vos_copy_macaddr(&sta_desc.vBSSIDforIBSS, &wildcardBSSID);
sta_desc.wSTAType = WLAN_STA_OCB;
sta_desc.ucQosEnabled = 1;
sta_desc.ucInitState = WLANTL_STA_AUTHENTICATED;
vos_status = WLANTL_RegisterSTAClient(hdd_ctx->pvosContext,
hdd_rx_packet_cbk,
&sta_desc,
0);
if (!VOS_IS_STATUS_SUCCESS(vos_status)) {
hddLog(LOGE, FL("Failed to register STA client. ret=[0x%08X]"),
vos_status);
return -EINVAL;
}
if (pHddStaCtx->conn_info.staId[0] != 0 &&
pHddStaCtx->conn_info.staId[0] != peer_id) {
hddLog(LOGE, FL("The ID for the OCB station has changed."));
}
pHddStaCtx->conn_info.staId[0] = peer_id;
vos_copy_macaddr(&pHddStaCtx->conn_info.peerMacAddress[0],
&adapter->macAddressCurrent);
return 0;
}
/**
* hdd_ocb_config_new() - Creates a new OCB configuration
* @num_channels: the number of channels
* @num_schedule: the schedule size
* @ndl_chan_list_len: length in bytes of the NDL chan blob
* @ndl_active_state_list_len: length in bytes of the active state blob
*
* Return: A pointer to the OCB configuration struct, NULL on failure.
*/
static
struct sir_ocb_config *hdd_ocb_config_new(uint32_t num_channels,
uint32_t num_schedule,
uint32_t ndl_chan_list_len,
uint32_t ndl_active_state_list_len)
{
struct sir_ocb_config *ret = 0;
uint32_t len;
void *cursor;
if (num_channels > CFG_TGT_NUM_OCB_CHANNELS ||
num_schedule > CFG_TGT_NUM_OCB_SCHEDULES)
return NULL;
len = sizeof(*ret) +
num_channels * sizeof(struct sir_ocb_config_channel) +
num_schedule * sizeof(struct sir_ocb_config_sched) +
ndl_chan_list_len +
ndl_active_state_list_len;
cursor = vos_mem_malloc(len);
if (!cursor)
goto fail;
vos_mem_zero(cursor, len);
ret = cursor;
cursor += sizeof(*ret);
ret->channel_count = num_channels;
ret->channels = cursor;
cursor += num_channels * sizeof(*ret->channels);
ret->schedule_size = num_schedule;
ret->schedule = cursor;
cursor += num_schedule * sizeof(*ret->schedule);
ret->dcc_ndl_chan_list = cursor;
cursor += ndl_chan_list_len;
ret->dcc_ndl_active_state_list = cursor;
cursor += ndl_active_state_list_len;
return ret;
fail:
vos_mem_free(ret);
return NULL;
}
/**
* hdd_ocb_set_config_callback() - OCB set config callback function
* @context_ptr: OCB call context
* @response_ptr: Pointer to response structure
*
* This function is registered as a callback with the lower layers
* and is used to respond with the status of a OCB set config command.
*/
static void hdd_ocb_set_config_callback(void *context_ptr, void *response_ptr)
{
struct hdd_ocb_ctxt *context = context_ptr;
struct sir_ocb_set_config_response *resp = response_ptr;
if (!context)
return;
if (resp && resp->status)
hddLog(LOGE, FL("Operation failed: %d"), resp->status);
spin_lock(&hdd_context_lock);
if (context->magic == HDD_OCB_MAGIC) {
hdd_adapter_t *adapter = context->adapter;
if (!resp) {
context->status = -EINVAL;
complete(&context->completion_evt);
spin_unlock(&hdd_context_lock);
return;
}
context->adapter->ocb_set_config_resp = *resp;
spin_unlock(&hdd_context_lock);
if (!resp->status) {
/*
* OCB set config command successful.
* Open the TX data path
*/
if (!hdd_ocb_register_sta(adapter)) {
wlan_hdd_netif_queue_control(adapter,
WLAN_START_ALL_NETIF_QUEUE_N_CARRIER,
WLAN_CONTROL_PATH);
}
}
spin_lock(&hdd_context_lock);
if (context->magic == HDD_OCB_MAGIC)
complete(&context->completion_evt);
spin_unlock(&hdd_context_lock);
} else {
spin_unlock(&hdd_context_lock);
}
}
/**
* hdd_ocb_set_config_req() - Send an OCB set config request
* @adapter: a pointer to the adapter
* @config: a pointer to the OCB configuration
*
* Return: 0 on success.
*/
static int hdd_ocb_set_config_req(hdd_adapter_t *adapter,
struct sir_ocb_config *config)
{
int i, rc;
eHalStatus halStatus;
bool enable_chan_stats;
struct hdd_ocb_ctxt context = {0};
struct dsrc_radio_chan_stats_ctxt *ctx;
if (hdd_ocb_validate_config(adapter, config)) {
hddLog(LOGE, FL("The configuration is invalid"));
return -EINVAL;
}
/*
* Save OCB configured channel information for
* DSRC Radio channel statistics event processsor.
*/
ctx = &adapter->dsrc_chan_stats;
ctx->config_chans_num = config->channel_count;
for (i = 0; i < config->channel_count; i++)
ctx->config_chans_freq[i] = config->channels[i].chan_freq;
if (ctx->cur_req) {
vos_mem_free(ctx->cur_req);
ctx->cur_req = NULL;
}
/* Disable Channel Statistics */
enable_chan_stats = ctx->enable_chan_stats;
if (enable_chan_stats)
wlan_hdd_dsrc_config_radio_chan_stats(adapter, false);
init_completion(&context.completion_evt);
context.adapter = adapter;
context.magic = HDD_OCB_MAGIC;
hddLog(LOG1, FL("Disabling queues"));
wlan_hdd_netif_queue_control(adapter, WLAN_NETIF_TX_DISABLE_N_CARRIER,
WLAN_CONTROL_PATH);
/* Call the SME API to set the config */
halStatus = sme_ocb_set_config(
((hdd_context_t *)adapter->pHddCtx)->hHal, &context,
hdd_ocb_set_config_callback, config);
if (halStatus != eHAL_STATUS_SUCCESS) {
hddLog(LOGE, FL("Error calling SME function."));
/* Convert from eHalStatus to errno */
return -EINVAL;
}
/* Wait for the function to complete. */
rc = wait_for_completion_timeout(&context.completion_evt,
msecs_to_jiffies(WLAN_WAIT_TIME_OCB_CMD));
if (rc == 0) {
rc = -ETIMEDOUT;
goto end;
}
rc = 0;
if (context.status) {
rc = context.status;
goto end;
}
if (adapter->ocb_set_config_resp.status) {
rc = -EINVAL;
goto end;
}
/* fall through */
end:
spin_lock(&hdd_context_lock);
context.magic = 0;
spin_unlock(&hdd_context_lock);
if (rc) {
hddLog(LOGE, FL("Operation failed: %d"), rc);
/* Flush already saved configured channel frequence */
ctx->config_chans_num = 0;
vos_mem_zero(ctx->config_chans_freq, 2 * sizeof(uint32_t));
} else {
if (enable_chan_stats)
wlan_hdd_dsrc_config_radio_chan_stats(adapter, true);
/*
* Net device mtu size is 1500 by default, But for OCB RAW mode,
* driver need later convert 802.3 data header to IEEE802.11
* data header and EPD header, which will increase total frame
* length. In such case, long packet length will exceed the
* target credit size. It resulted in that the packet is cut
* down, data would be missed and the traffic would be broken.
* So decrease the netdev mtu size to work around this issue
* in IEEE80211p RAW mode.
*/
if (config->flags & OCB_CONFIG_FLAG_80211_FRAME_MODE)
adapter->dev->mtu = ETH_DATA_LEN - 8;
else
adapter->dev->mtu = ETH_DATA_LEN;
}
return rc;
}
/**
* __iw_set_dot11p_channel_sched() - Handler for WLAN_SET_DOT11P_CHANNEL_SCHED
* ioctl
* @dev: Pointer to net_device structure
* @iw_request_info: IW Request Info
* @wrqu: IW Request Userspace Data Pointer
* @extra: IW Request Kernel Data Pointer
*
* Return: 0 on success
*/
static int __iw_set_dot11p_channel_sched(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
int rc = 0;
struct dot11p_channel_sched *sched;
hdd_adapter_t *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
struct sir_ocb_config *config = NULL;
uint8_t *mac_addr;
int i, j;
if (wlan_hdd_validate_context(WLAN_HDD_GET_CTX(adapter)))
return -EINVAL;
if (adapter->device_mode != WLAN_HDD_OCB) {
hddLog(LOGE, FL("Device not in OCB mode!"));
return -EINVAL;
}
sched = (struct dot11p_channel_sched *)extra;
/* Scheduled slots same as num channels for compatibility */
config = hdd_ocb_config_new(sched->num_channels, sched->num_channels,
0, 0);
if (config == NULL) {
hddLog(LOGE, FL("Failed to allocate memory!"));
return -ENOMEM;
}
/* Identify the vdev interface */
config->session_id = adapter->sessionId;
/* Release all the mac addresses used for OCB */
for (i = 0; i < adapter->ocb_mac_addr_count; i++) {
wlan_hdd_release_intf_addr(adapter->pHddCtx,
adapter->ocb_mac_address[i]);
}
adapter->ocb_mac_addr_count = 0;
config->channel_count = 0;
for (i = 0; i < sched->num_channels; i++) {
if (0 == sched->channels[i].channel_freq) {
continue;
}
config->channels[config->channel_count].chan_freq =
sched->channels[i].channel_freq;
/*
* tx_power is divided by 2 because ocb_channel.tx_power is
* in half dB increments and sir_ocb_config_channel.max_pwr
* is in 1 dB increments.
*/
config->channels[config->channel_count].max_pwr =
sched->channels[i].tx_power / 2;
config->channels[config->channel_count].bandwidth =
sched->channels[i].channel_bandwidth;
/* assume 10 as default if not provided */
if (config->channels[config->channel_count].bandwidth == 0) {
config->channels[config->channel_count].bandwidth = 10;
}
/*
* Setup locally administered mac addresses for each channel.
* First channel uses the adapter's address.
*/
if (i == 0) {
vos_mem_copy(config->channels[config->channel_count].mac_address,
adapter->macAddressCurrent.bytes,
sizeof(tSirMacAddr));
} else {
mac_addr = wlan_hdd_get_intf_addr(adapter->pHddCtx);
if (mac_addr == NULL) {
hddLog(LOGE, FL("Cannot obtain mac address"));
rc = -EINVAL;
goto fail;
}
vos_mem_copy(config->channels[
config->channel_count].mac_address,
mac_addr, sizeof(tSirMacAddr));
/* Save the mac address to release later */
vos_mem_copy(adapter->ocb_mac_address[
adapter->ocb_mac_addr_count],
mac_addr,
sizeof(adapter->ocb_mac_address[
adapter->ocb_mac_addr_count]));
adapter->ocb_mac_addr_count++;
}
for (j = 0; j < MAX_NUM_AC; j++) {
config->channels[config->channel_count].qos_params[j].aifsn =
sched->channels[i].qos_params[j].aifsn;
config->channels[config->channel_count].qos_params[j].cwmin =
sched->channels[i].qos_params[j].cwmin;
config->channels[config->channel_count].qos_params[j].cwmax =
sched->channels[i].qos_params[j].cwmax;
}
config->channel_count++;
}
/*
* Scheduled slots same as num channels for compatibility with
* legacy use.
*/
for (i = 0; i < sched->num_channels; i++) {
config->schedule[i].chan_freq = sched->channels[i].channel_freq;
config->schedule[i].guard_interval =
sched->channels[i].start_guard_interval;
config->schedule[i].total_duration =
sched->channels[i].duration;
}
rc = hdd_ocb_set_config_req(adapter, config);
if (rc) {
hddLog(LOGE, FL("Error while setting OCB config"));
goto fail;
}
rc = 0;
fail:
vos_mem_free(config);
return rc;
}
/**
* iw_set_dot11p_channel_sched() - IOCTL interface for setting channel schedule
* @dev: Pointer to net_device structure
* @iw_request_info: IW Request Info
* @wrqu: IW Request Userspace Data Pointer
* @extra: IW Request Kernel Data Pointer
*
* Return: 0 on success.
*/
int iw_set_dot11p_channel_sched(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *wrqu, char *extra)
{
int ret;
vos_ssr_protect(__func__);
ret = __iw_set_dot11p_channel_sched(dev, info, wrqu, extra);
vos_ssr_unprotect(__func__);
return ret;
}
static const struct nla_policy qca_wlan_vendor_ocb_set_config_policy[
QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_MAX + 1] = {
[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_CHANNEL_COUNT] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_SCHEDULE_SIZE] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_CHANNEL_ARRAY] = {
.type = NLA_BINARY
},
[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_SCHEDULE_ARRAY] = {
.type = NLA_BINARY
},
[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_NDL_CHANNEL_ARRAY] = {
.type = NLA_BINARY
},
[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_NDL_ACTIVE_STATE_ARRAY] = {
.type = NLA_BINARY
},
[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_FLAGS] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_DEF_TX_PARAM] = {
.type = NLA_BINARY
},
[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_TA_MAX_DURATION] = {
.type = NLA_U32
},
};
static const struct nla_policy qca_wlan_vendor_ocb_set_utc_time_policy[
QCA_WLAN_VENDOR_ATTR_OCB_SET_UTC_TIME_MAX + 1] = {
[QCA_WLAN_VENDOR_ATTR_OCB_SET_UTC_TIME_VALUE] = {
.type = NLA_BINARY, .len = SIZE_UTC_TIME
},
[QCA_WLAN_VENDOR_ATTR_OCB_SET_UTC_TIME_ERROR] = {
.type = NLA_BINARY, .len = SIZE_UTC_TIME_ERROR
},
};
static const struct nla_policy qca_wlan_vendor_ocb_start_timing_advert_policy[
QCA_WLAN_VENDOR_ATTR_OCB_START_TIMING_ADVERT_MAX + 1] = {
[QCA_WLAN_VENDOR_ATTR_OCB_START_TIMING_ADVERT_CHANNEL_FREQ] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_OCB_START_TIMING_ADVERT_REPEAT_RATE] = {
.type = NLA_U32
},
};
static const struct nla_policy qca_wlan_vendor_ocb_stop_timing_advert_policy[
QCA_WLAN_VENDOR_ATTR_OCB_STOP_TIMING_ADVERT_MAX + 1] = {
[QCA_WLAN_VENDOR_ATTR_OCB_STOP_TIMING_ADVERT_CHANNEL_FREQ] = {
.type = NLA_U32
},
};
static const struct nla_policy qca_wlan_vendor_ocb_get_tsf_timer_resp[] = {
[QCA_WLAN_VENDOR_ATTR_OCB_GET_TSF_RESP_TIMER_HIGH] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_OCB_GET_TSF_RESP_TIMER_LOW] = {
.type = NLA_U32
},
};
static const struct nla_policy qca_wlan_vendor_dcc_get_stats[] = {
[QCA_WLAN_VENDOR_ATTR_DCC_GET_STATS_CHANNEL_COUNT] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_DCC_GET_STATS_REQUEST_ARRAY] = {
.type = NLA_BINARY
},
};
static const struct nla_policy qca_wlan_vendor_dcc_get_stats_resp[] = {
[QCA_WLAN_VENDOR_ATTR_DCC_GET_STATS_RESP_CHANNEL_COUNT] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_DCC_GET_STATS_RESP_STATS_ARRAY] = {
.type = NLA_BINARY
},
};
static const struct nla_policy qca_wlan_vendor_dcc_clear_stats[] = {
[QCA_WLAN_VENDOR_ATTR_DCC_CLEAR_STATS_BITMAP] = {
.type = NLA_U32
},
};
static const struct nla_policy qca_wlan_vendor_dcc_update_ndl[
QCA_WLAN_VENDOR_ATTR_DCC_UPDATE_NDL_MAX + 1] = {
[QCA_WLAN_VENDOR_ATTR_DCC_UPDATE_NDL_CHANNEL_COUNT] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_DCC_UPDATE_NDL_CHANNEL_ARRAY] = {
.type = NLA_BINARY
},
[QCA_WLAN_VENDOR_ATTR_DCC_UPDATE_NDL_ACTIVE_STATE_ARRAY] = {
.type = NLA_BINARY
},
};
/**
* struct wlan_hdd_ocb_config_channel
* @chan_freq: frequency of the channel
* @bandwidth: bandwidth of the channel, either 10 or 20 MHz
* @mac_address: MAC address assigned to this channel
* @qos_params: QoS parameters
* @max_pwr: maximum transmit power of the channel (1/2 dBm)
* @min_pwr: minimum transmit power of the channel (1/2 dBm)
*/
struct wlan_hdd_ocb_config_channel {
uint32_t chan_freq;
uint32_t bandwidth;
uint16_t flags;
uint8_t reserved[4];
sir_qos_params_t qos_params[MAX_NUM_AC];
uint32_t max_pwr;
uint32_t min_pwr;
uint32_t datarate;
uint8_t mac_address[6];
};
static void wlan_hdd_ocb_config_channel_to_sir_ocb_config_channel(
struct sir_ocb_config_channel *dest,
struct wlan_hdd_ocb_config_channel *src,
uint32_t channel_count)
{
uint32_t i;
vos_mem_zero(dest, channel_count * sizeof(*dest));
for (i = 0; i < channel_count; i++) {
dest[i].chan_freq = src[i].chan_freq;
dest[i].bandwidth = src[i].bandwidth;
vos_mem_copy(dest[i].qos_params, src[i].qos_params,
sizeof(dest[i].qos_params));
/*
* max_pwr and min_pwr are divided by 2 because
* wlan_hdd_ocb_config_channel.max_pwr and min_pwr
* are in 1/2 dB increments and
* sir_ocb_config_channel.max_pwr and min_pwr are in
* 1 dB increments.
*/
dest[i].max_pwr = src[i].max_pwr / 2;
dest[i].min_pwr = (src[i].min_pwr + 1) / 2;
dest[i].flags = src[i].flags;
vos_mem_copy(dest[i].mac_address, src[i].mac_address, 6);
}
}
/**
* __wlan_hdd_cfg80211_ocb_set_config() - Interface for set config command
* @wiphy: pointer to the wiphy
* @wdev: pointer to the wdev
* @data: The netlink data
* @data_len: The length of the netlink data in bytes
*
* Return: 0 on success.
*/
static int __wlan_hdd_cfg80211_ocb_set_config(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
hdd_context_t *hdd_ctx = wiphy_priv(wiphy);
struct net_device *dev = wdev->netdev;
hdd_adapter_t *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_MAX + 1];
struct nlattr *channel_array;
struct nlattr *sched_array;
struct nlattr *ndl_chan_list;
uint32_t ndl_chan_list_len;
struct nlattr *ndl_active_state_list;
uint32_t ndl_active_state_list_len;
uint32_t flags = 0;
uint32_t ta_max_duration = 0;
void *def_tx_param = NULL;
uint32_t def_tx_param_size = 0;
int i;
uint32_t channel_count, schedule_size;
struct sir_ocb_config *config;
int rc = -EINVAL;
uint8_t *mac_addr;
ENTER();
if (VOS_FTM_MODE == hdd_get_conparam()) {
hddLog(LOGE, FL("Command not allowed in FTM mode"));
return -EINVAL;
}
if (wlan_hdd_validate_context(hdd_ctx))
return -EINVAL;
if (adapter->device_mode != WLAN_HDD_OCB) {
hddLog(LOGE, FL("Device not in OCB mode!"));
return -EINVAL;
}
/* Parse the netlink message */
if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_MAX,
data,
data_len, qca_wlan_vendor_ocb_set_config_policy)) {
hddLog(LOGE, FL("Invalid ATTR"));
return -EINVAL;
}
/* Get the number of channels in the schedule */
if (!tb[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_CHANNEL_COUNT]) {
hddLog(LOGE, FL("CHANNEL_COUNT is not present"));
return -EINVAL;
}
channel_count = nla_get_u32(
tb[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_CHANNEL_COUNT]);
/* Get the size of the channel schedule */
if (!tb[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_SCHEDULE_SIZE]) {
hddLog(LOGE, FL("SCHEDULE_SIZE is not present"));
return -EINVAL;
}
schedule_size = nla_get_u32(
tb[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_SCHEDULE_SIZE]);
/* Get the ndl chan array and the ndl active state array. */
ndl_chan_list =
tb[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_NDL_CHANNEL_ARRAY];
ndl_chan_list_len = (ndl_chan_list ? nla_len(ndl_chan_list) : 0);
ndl_active_state_list =
tb[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_NDL_ACTIVE_STATE_ARRAY];
ndl_active_state_list_len = (ndl_active_state_list ?
nla_len(ndl_active_state_list) : 0);
/* Get the flags. This parameter is optional. */
if (tb[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_FLAGS])
flags = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_FLAGS]);
/* Get the default TX parameters. This parameter is optional. */
if (tb[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_DEF_TX_PARAM]) {
def_tx_param_size = nla_len(tb[
QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_DEF_TX_PARAM]);
def_tx_param = nla_data(tb[
QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_DEF_TX_PARAM]);
}
/* Get the ta max duration. This parameter is optional. */
if (tb[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_TA_MAX_DURATION])
ta_max_duration = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_TA_MAX_DURATION]);
config = hdd_ocb_config_new(channel_count, schedule_size,
ndl_chan_list_len,
ndl_active_state_list_len);
if (config == NULL) {
hddLog(LOGE, FL("Failed to allocate memory!"));
return -ENOMEM;
}
config->channel_count = channel_count;
config->schedule_size = schedule_size;
config->flags = flags;
/*
* Set max duration after the last TA received that the local time set
* by TA is synchronous to other communicating OCB STAs. If it expires,
* the OCB STA itself without UTC time source like GPS thinks that the
* local time of itself is not sync to other STAs and stop scheduling
* DSRC channel switch.
*/
config->ta_max_duration = ta_max_duration;
config->def_tx_param = def_tx_param;
config->def_tx_param_size = def_tx_param_size;
/* Read the channel array */
channel_array = tb[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_CHANNEL_ARRAY];
if (!channel_array) {
hddLog(LOGE, FL("No channel present"));
goto fail;
}
if (nla_len(channel_array) != channel_count *
sizeof(struct wlan_hdd_ocb_config_channel)) {
hddLog(LOGE, FL("CHANNEL_ARRAY is not the correct size"));
goto fail;
}
wlan_hdd_ocb_config_channel_to_sir_ocb_config_channel(
config->channels, nla_data(channel_array), channel_count);
/* Identify the vdev interface */
config->session_id = adapter->sessionId;
/* Release all the mac addresses used for OCB */
for (i = 0; i < adapter->ocb_mac_addr_count; i++) {
wlan_hdd_release_intf_addr(adapter->pHddCtx,
adapter->ocb_mac_address[i]);
}
adapter->ocb_mac_addr_count = 0;
/*
* Setup locally managed mac addresses for each channel.
* If no configured mac address set from userspace,
* first channel uses the adapter's default address.
*/
for (i = 0; i < config->channel_count; i++) {
/*
* If dsrc_config not set the mac address, then default mac
* address from dsrc_config app is all zero and invalid.
*/
if (!vos_is_macaddr_zero(
(v_MACADDR_t *)config->channels[i].mac_address))
continue;
if (i == 0) {
vos_mem_copy(config->channels[i].mac_address,
adapter->macAddressCurrent.bytes,
sizeof(tSirMacAddr));
} else {
mac_addr = wlan_hdd_get_intf_addr(adapter->pHddCtx);
if (mac_addr == NULL) {
hddLog(LOGE, FL("Cannot obtain mac address"));
goto fail;
}
vos_mem_copy(config->channels[i].mac_address,
mac_addr, sizeof(tSirMacAddr));
/* Save the mac address to release later */
vos_mem_copy(adapter->ocb_mac_address[
adapter->ocb_mac_addr_count],
config->channels[i].mac_address,
sizeof(adapter->ocb_mac_address[
adapter->ocb_mac_addr_count]));
adapter->ocb_mac_addr_count++;
}
}
/* Read the schedule array */
sched_array = tb[QCA_WLAN_VENDOR_ATTR_OCB_SET_CONFIG_SCHEDULE_ARRAY];
if (!sched_array) {
hddLog(LOGE, FL("No channel present"));
goto fail;
}
if (nla_len(sched_array) != schedule_size * sizeof(*config->schedule)) {
hddLog(LOGE, FL("SCHEDULE_ARRAY is not the correct size"));
goto fail;
}
vos_mem_copy(config->schedule, nla_data(sched_array),
nla_len(sched_array));
/* Copy the NDL chan array */
if (ndl_chan_list_len) {
config->dcc_ndl_chan_list_len = ndl_chan_list_len;
vos_mem_copy(config->dcc_ndl_chan_list, nla_data(ndl_chan_list),
nla_len(ndl_chan_list));
}
/* Copy the NDL active state array */
if (ndl_active_state_list_len) {
config->dcc_ndl_active_state_list_len =
ndl_active_state_list_len;
vos_mem_copy(config->dcc_ndl_active_state_list,
nla_data(ndl_active_state_list),
nla_len(ndl_active_state_list));
}
rc = hdd_ocb_set_config_req(adapter, config);
if (rc)
hddLog(LOGE, FL("Error while setting OCB config: %d"), rc);
fail:
vos_mem_free(config);
return rc;
}
/**
* wlan_hdd_cfg80211_ocb_set_config() - Interface for set config command
* @wiphy: pointer to the wiphy
* @wdev: pointer to the wdev
* @data: The netlink data
* @data_len: The length of the netlink data in bytes
*
* Return: 0 on success.
*/
int wlan_hdd_cfg80211_ocb_set_config(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
int ret;
vos_ssr_protect(__func__);
ret = __wlan_hdd_cfg80211_ocb_set_config(wiphy, wdev, data, data_len);
vos_ssr_unprotect(__func__);
return ret;
}
/**
* __wlan_hdd_cfg80211_ocb_set_utc_time() - Interface for set UTC time command
* @wiphy: pointer to the wiphy
* @wdev: pointer to the wdev
* @data: The netlink data
* @data_len: The length of the netlink data in bytes
*
* Return: 0 on success.
*/
static int __wlan_hdd_cfg80211_ocb_set_utc_time(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
hdd_context_t *hdd_ctx = wiphy_priv(wiphy);
struct net_device *dev = wdev->netdev;
hdd_adapter_t *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_OCB_SET_UTC_TIME_MAX + 1];
struct nlattr *utc_attr;
struct nlattr *time_error_attr;
struct sir_ocb_utc *utc;
int rc = -EINVAL;
ENTER();
if (VOS_FTM_MODE == hdd_get_conparam()) {
hddLog(LOGE, FL("Command not allowed in FTM mode"));
return -EINVAL;
}
if (wlan_hdd_validate_context(hdd_ctx))
return -EINVAL;
if (adapter->device_mode != WLAN_HDD_OCB) {
hddLog(LOGE, FL("Device not in OCB mode!"));
return -EINVAL;
}
if (!wma_is_vdev_up(adapter->sessionId)) {
hddLog(LOGE, FL("The device has not been started"));
return -EINVAL;
}
/* Parse the netlink message */
if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_OCB_SET_UTC_TIME_MAX,
data,
data_len, qca_wlan_vendor_ocb_set_utc_time_policy)) {
hddLog(LOGE, FL("Invalid ATTR"));
return -EINVAL;
}
/* Read the UTC time */
utc_attr = tb[QCA_WLAN_VENDOR_ATTR_OCB_SET_UTC_TIME_VALUE];
if (!utc_attr) {
hddLog(LOGE, FL("UTC_TIME is not present"));
return -EINVAL;
}
if (nla_len(utc_attr) != SIZE_UTC_TIME) {
hddLog(LOGE, FL("UTC_TIME is not the correct size"));
return -EINVAL;
}
/* Read the time error */
time_error_attr = tb[QCA_WLAN_VENDOR_ATTR_OCB_SET_UTC_TIME_ERROR];
if (!time_error_attr) {
hddLog(LOGE, FL("UTC_TIME is not present"));
return -EINVAL;
}
if (nla_len(time_error_attr) != SIZE_UTC_TIME_ERROR) {
hddLog(LOGE, FL("UTC_TIME is not the correct size"));
return -EINVAL;
}
utc = vos_mem_malloc(sizeof(*utc));
if (!utc) {
hddLog(LOGE, FL("vos_mem_malloc failed"));
return -ENOMEM;
}
utc->vdev_id = adapter->sessionId;
vos_mem_copy(utc->utc_time, nla_data(utc_attr), SIZE_UTC_TIME);
vos_mem_copy(utc->time_error, nla_data(time_error_attr),
SIZE_UTC_TIME_ERROR);
if (sme_ocb_set_utc_time(utc) != eHAL_STATUS_SUCCESS) {
hddLog(LOGE, FL("Error while setting UTC time"));
rc = -EINVAL;
} else {
rc = 0;
}
vos_mem_free(utc);
return rc;
}
/**
* wlan_hdd_cfg80211_ocb_set_utc_time() - Interface for the set UTC time command
* @wiphy: pointer to the wiphy
* @wdev: pointer to the wdev
* @data: The netlink data
* @data_len: The length of the netlink data in bytes
*
* Return: 0 on success.
*/
int wlan_hdd_cfg80211_ocb_set_utc_time(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
int ret;
vos_ssr_protect(__func__);
ret = __wlan_hdd_cfg80211_ocb_set_utc_time(wiphy, wdev, data, data_len);
vos_ssr_unprotect(__func__);
return ret;
}
/**
* __wlan_hdd_cfg80211_ocb_start_timing_advert() - Interface for start TA cmd
* @wiphy: pointer to the wiphy
* @wdev: pointer to the wdev
* @data: The netlink data
* @data_len: The length of the netlink data in bytes
*
* Return: 0 on success.
*/
static int
__wlan_hdd_cfg80211_ocb_start_timing_advert(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
hdd_context_t *hdd_ctx = wiphy_priv(wiphy);
struct net_device *dev = wdev->netdev;
hdd_adapter_t *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_OCB_START_TIMING_ADVERT_MAX + 1];
struct sir_ocb_timing_advert *timing_advert;
int rc = -EINVAL;
ENTER();
if (VOS_FTM_MODE == hdd_get_conparam()) {
hddLog(LOGE, FL("Command not allowed in FTM mode"));
return -EINVAL;
}
if (wlan_hdd_validate_context(hdd_ctx))
return -EINVAL;
if (adapter->device_mode != WLAN_HDD_OCB) {
hddLog(LOGE, FL("Device not in OCB mode!"));
return -EINVAL;
}
if (!wma_is_vdev_up(adapter->sessionId)) {
hddLog(LOGE, FL("The device has not been started"));
return -EINVAL;
}
timing_advert = vos_mem_malloc(sizeof(*timing_advert));
if (!timing_advert) {
hddLog(LOGE, FL("vos_mem_malloc failed"));
return -ENOMEM;
}
vos_mem_zero(timing_advert, sizeof(*timing_advert));
timing_advert->vdev_id = adapter->sessionId;
/* Parse the netlink message */
if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_OCB_START_TIMING_ADVERT_MAX,
data,
data_len,
qca_wlan_vendor_ocb_start_timing_advert_policy)) {
hddLog(LOGE, FL("Invalid ATTR"));
goto fail;
}
if (!tb[QCA_WLAN_VENDOR_ATTR_OCB_START_TIMING_ADVERT_CHANNEL_FREQ]) {
hddLog(LOGE, FL("CHANNEL_FREQ is not present"));
goto fail;
}
timing_advert->chan_freq = nla_get_u32(
tb[QCA_WLAN_VENDOR_ATTR_OCB_START_TIMING_ADVERT_CHANNEL_FREQ]);
if (!tb[QCA_WLAN_VENDOR_ATTR_OCB_START_TIMING_ADVERT_REPEAT_RATE]) {
hddLog(LOGE, FL("REPEAT_RATE is not present"));
goto fail;
}
timing_advert->repeat_rate = nla_get_u32(
tb[QCA_WLAN_VENDOR_ATTR_OCB_START_TIMING_ADVERT_REPEAT_RATE]);
timing_advert->template_length =
sme_ocb_gen_timing_advert_frame(hdd_ctx->hHal,
*(tSirMacAddr *)&adapter->macAddressCurrent.bytes,
&timing_advert->template_value,
&timing_advert->timestamp_offset,
&timing_advert->time_value_offset);
if (timing_advert->template_length <= 0) {
hddLog(LOGE, FL("Error while generating the TA frame"));
goto fail;
}
if (sme_ocb_start_timing_advert(timing_advert) != eHAL_STATUS_SUCCESS) {
hddLog(LOGE, FL("Error while starting timing advert"));
rc = -EINVAL;
} else {
rc = 0;
}
fail:
if (timing_advert->template_value)
vos_mem_free(timing_advert->template_value);
vos_mem_free(timing_advert);
return rc;
}
/**
* wlan_hdd_cfg80211_ocb_start_timing_advert() - Interface for the start TA cmd
* @wiphy: pointer to the wiphy
* @wdev: pointer to the wdev
* @data: The netlink data
* @data_len: The length of the netlink data in bytes
*
* Return: 0 on success.
*/
int wlan_hdd_cfg80211_ocb_start_timing_advert(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
int ret;
vos_ssr_protect(__func__);
ret = __wlan_hdd_cfg80211_ocb_start_timing_advert(wiphy, wdev,
data, data_len);
vos_ssr_unprotect(__func__);
return ret;
}
/**
* __wlan_hdd_cfg80211_ocb_stop_timing_advert() - Interface for the stop TA cmd
* @wiphy: pointer to the wiphy
* @wdev: pointer to the wdev
* @data: The netlink data
* @data_len: The length of the netlink data in bytes
*
* Return: 0 on success.
*/
static int
__wlan_hdd_cfg80211_ocb_stop_timing_advert(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
hdd_context_t *hdd_ctx = wiphy_priv(wiphy);
struct net_device *dev = wdev->netdev;
hdd_adapter_t *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_OCB_STOP_TIMING_ADVERT_MAX + 1];
struct sir_ocb_timing_advert *timing_advert;
int rc = -EINVAL;
ENTER();
if (VOS_FTM_MODE == hdd_get_conparam()) {
hddLog(LOGE, FL("Command not allowed in FTM mode"));
return -EINVAL;
}
if (wlan_hdd_validate_context(hdd_ctx))
return -EINVAL;
if (adapter->device_mode != WLAN_HDD_OCB) {
hddLog(LOGE, FL("Device not in OCB mode!"));
return -EINVAL;
}
if (!wma_is_vdev_up(adapter->sessionId)) {
hddLog(LOGE, FL("The device has not been started"));
return -EINVAL;
}
timing_advert = vos_mem_malloc(sizeof(*timing_advert));
if (!timing_advert) {
hddLog(LOGE, FL("vos_mem_malloc failed"));
return -ENOMEM;
}
vos_mem_zero(timing_advert, sizeof(sizeof(*timing_advert)));
timing_advert->vdev_id = adapter->sessionId;
/* Parse the netlink message */
if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_OCB_STOP_TIMING_ADVERT_MAX,
data,
data_len,
qca_wlan_vendor_ocb_stop_timing_advert_policy)) {
hddLog(LOGE, FL("Invalid ATTR"));
goto fail;
}
if (!tb[QCA_WLAN_VENDOR_ATTR_OCB_STOP_TIMING_ADVERT_CHANNEL_FREQ]) {
hddLog(LOGE, FL("CHANNEL_FREQ is not present"));
goto fail;
}
timing_advert->chan_freq = nla_get_u32(
tb[QCA_WLAN_VENDOR_ATTR_OCB_STOP_TIMING_ADVERT_CHANNEL_FREQ]);
if (sme_ocb_stop_timing_advert(timing_advert) != eHAL_STATUS_SUCCESS) {
hddLog(LOGE, FL("Error while stopping timing advert"));
rc = -EINVAL;
} else {
rc = 0;
}
fail:
vos_mem_free(timing_advert);
return rc;
}
/**
* wlan_hdd_cfg80211_ocb_stop_timing_advert() - Interface for the stop TA cmd
* @wiphy: pointer to the wiphy
* @wdev: pointer to the wdev
* @data: The netlink data
* @data_len: The length of the netlink data in bytes
*
* Return: 0 on success.
*/
int wlan_hdd_cfg80211_ocb_stop_timing_advert(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
int ret;
vos_ssr_protect(__func__);
ret = __wlan_hdd_cfg80211_ocb_stop_timing_advert(wiphy, wdev,
data, data_len);
vos_ssr_unprotect(__func__);
return ret;
}
/**
* hdd_ocb_get_tsf_timer_callback() - Callback to get TSF command
* @context_ptr: request context
* @response_ptr: response data
*/
static void hdd_ocb_get_tsf_timer_callback(void *context_ptr,
void *response_ptr)
{
struct hdd_ocb_ctxt *context = context_ptr;
struct sir_ocb_get_tsf_timer_response *response = response_ptr;
if (!context)
return;
spin_lock(&hdd_context_lock);
if (context->magic == HDD_OCB_MAGIC) {
if (response) {
context->adapter->ocb_get_tsf_timer_resp = *response;
context->status = 0;
} else {
context->status = -EINVAL;
}
complete(&context->completion_evt);
}
spin_unlock(&hdd_context_lock);
}
/**
* __wlan_hdd_cfg80211_ocb_get_tsf_timer() - Interface for get TSF timer cmd
* @wiphy: pointer to the wiphy
* @wdev: pointer to the wdev
* @data: The netlink data
* @data_len: The length of the netlink data in bytes
*
* Return: 0 on success.
*/
static int
__wlan_hdd_cfg80211_ocb_get_tsf_timer(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
struct sk_buff *nl_resp = 0;
hdd_context_t *hdd_ctx = wiphy_priv(wiphy);
struct net_device *dev = wdev->netdev;
hdd_adapter_t *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
int rc = -EINVAL;
struct sir_ocb_get_tsf_timer request = {0};
struct hdd_ocb_ctxt context = {0};
ENTER();
if (VOS_FTM_MODE == hdd_get_conparam()) {
hddLog(LOGE, FL("Command not allowed in FTM mode"));
return -EINVAL;
}
if (wlan_hdd_validate_context(hdd_ctx))
return -EINVAL;
if (adapter->device_mode != WLAN_HDD_OCB) {
hddLog(LOGE, FL("Device not in OCB mode!"));
return -EINVAL;
}
if (!wma_is_vdev_up(adapter->sessionId)) {
hddLog(LOGE, FL("The device has not been started"));
return -EINVAL;
}
/* Initialize the callback context */
init_completion(&context.completion_evt);
context.adapter = adapter;
context.magic = HDD_OCB_MAGIC;
request.vdev_id = adapter->sessionId;
/* Call the SME function */
rc = sme_ocb_get_tsf_timer(hdd_ctx->hHal, &context,
hdd_ocb_get_tsf_timer_callback,
&request);
if (rc) {
hddLog(LOGE, FL("Error calling SME function"));
/* Need to convert from eHalStatus to errno. */
return -EINVAL;
}
rc = wait_for_completion_timeout(&context.completion_evt,
msecs_to_jiffies(WLAN_WAIT_TIME_OCB_CMD));
if (rc == 0) {
hddLog(LOGE, FL("Operation timed out"));
rc = -ETIMEDOUT;
goto end;
}
rc = 0;
if (context.status) {
hddLog(LOGE, FL("Operation failed: %d"), context.status);
rc = context.status;
goto end;
}
/* Allocate the buffer for the response. */
nl_resp = cfg80211_vendor_cmd_alloc_reply_skb(wiphy,
2 * sizeof(uint32_t) + NLMSG_HDRLEN);
if (!nl_resp) {
hddLog(LOGE, FL("cfg80211_vendor_cmd_alloc_reply_skb failed"));
rc = -ENOMEM;
goto end;
}
hddLog(LOGE, FL("Got TSF timer response, high=%d, low=%d"),
adapter->ocb_get_tsf_timer_resp.timer_high,
adapter->ocb_get_tsf_timer_resp.timer_low);
/* Populate the response. */
rc = nla_put_u32(nl_resp,
QCA_WLAN_VENDOR_ATTR_OCB_GET_TSF_RESP_TIMER_HIGH,
adapter->ocb_get_tsf_timer_resp.timer_high);
if (rc)
goto end;
rc = nla_put_u32(nl_resp,
QCA_WLAN_VENDOR_ATTR_OCB_GET_TSF_RESP_TIMER_LOW,
adapter->ocb_get_tsf_timer_resp.timer_low);
if (rc)
goto end;
/* Send the response. */
rc = cfg80211_vendor_cmd_reply(nl_resp);
nl_resp = NULL;
if (rc) {
hddLog(LOGE, FL("cfg80211_vendor_cmd_reply failed: %d"), rc);
goto end;
}
end:
spin_lock(&hdd_context_lock);
context.magic = 0;
spin_unlock(&hdd_context_lock);
if (nl_resp)
kfree_skb(nl_resp);
return rc;
}
/**
* wlan_hdd_cfg80211_ocb_get_tsf_timer() - Interface for get TSF timer cmd
* @wiphy: pointer to the wiphy
* @wdev: pointer to the wdev
* @data: The netlink data
* @data_len: The length of the netlink data in bytes
*
* Return: 0 on success.
*/
int wlan_hdd_cfg80211_ocb_get_tsf_timer(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
int ret;
vos_ssr_protect(__func__);
ret = __wlan_hdd_cfg80211_ocb_get_tsf_timer(wiphy, wdev,
data, data_len);
vos_ssr_unprotect(__func__);
return ret;
}
/**
* hdd_dcc_get_stats_callback() - Callback to get stats command
* @context_ptr: request context
* @response_ptr: response data
*/
static void hdd_dcc_get_stats_callback(void *context_ptr, void *response_ptr)
{
struct hdd_ocb_ctxt *context = context_ptr;
struct sir_dcc_get_stats_response *response = response_ptr;
struct sir_dcc_get_stats_response *hdd_resp;
if (!context)
return;
spin_lock(&hdd_context_lock);
if (context->magic == HDD_OCB_MAGIC) {
if (response) {
/*
* If the response is hanging around from the previous
* request, delete it
*/
if (context->adapter->dcc_get_stats_resp) {
vos_mem_free(
context->adapter->dcc_get_stats_resp);
}
context->adapter->dcc_get_stats_resp =
vos_mem_malloc(sizeof(
*context->adapter->dcc_get_stats_resp) +
response->channel_stats_array_len);
if (context->adapter->dcc_get_stats_resp) {
hdd_resp = context->adapter->dcc_get_stats_resp;
*hdd_resp = *response;
hdd_resp->channel_stats_array =
(void *)hdd_resp + sizeof(*hdd_resp);
vos_mem_copy(hdd_resp->channel_stats_array,
response->channel_stats_array,
response->channel_stats_array_len);
context->status = 0;
} else {
context->status = -ENOMEM;
}
} else {
context->status = -EINVAL;
}
complete(&context->completion_evt);
}
spin_unlock(&hdd_context_lock);
}
/**
* __wlan_hdd_cfg80211_dcc_get_stats() - Interface for get dcc stats
* @wiphy: pointer to the wiphy
* @wdev: pointer to the wdev
* @data: The netlink data
* @data_len: The length of the netlink data in bytes
*
* Return: 0 on success.
*/
static int __wlan_hdd_cfg80211_dcc_get_stats(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
uint32_t channel_count = 0;
uint32_t request_array_len = 0;
void *request_array = 0;
hdd_context_t *hdd_ctx = wiphy_priv(wiphy);
struct net_device *dev = wdev->netdev;
hdd_adapter_t *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_DCC_GET_STATS_MAX + 1];
struct sk_buff *nl_resp = 0;
int rc = -EINVAL;
struct sir_dcc_get_stats request = {0};
struct hdd_ocb_ctxt context = {0};
ENTER();
if (VOS_FTM_MODE == hdd_get_conparam()) {
hddLog(LOGE, FL("Command not allowed in FTM mode"));
return -EINVAL;
}
if (wlan_hdd_validate_context(hdd_ctx))
return -EINVAL;
if (adapter->device_mode != WLAN_HDD_OCB) {
hddLog(LOGE, FL("Device not in OCB mode!"));
return -EINVAL;
}
if (!wma_is_vdev_up(adapter->sessionId)) {
hddLog(LOGE, FL("The device has not been started"));
return -EINVAL;
}
/* Parse the netlink message */
if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_DCC_GET_STATS_MAX,
data,
data_len,
qca_wlan_vendor_dcc_get_stats)) {
hddLog(LOGE, FL("Invalid ATTR"));
return -EINVAL;
}
/* Validate all the parameters are present */
if (!tb[QCA_WLAN_VENDOR_ATTR_DCC_GET_STATS_CHANNEL_COUNT] ||
!tb[QCA_WLAN_VENDOR_ATTR_DCC_GET_STATS_REQUEST_ARRAY]) {
hddLog(LOGE, FL("Parameters are not present."));
return -EINVAL;
}
channel_count = nla_get_u32(
tb[QCA_WLAN_VENDOR_ATTR_DCC_GET_STATS_CHANNEL_COUNT]);
request_array_len = nla_len(
tb[QCA_WLAN_VENDOR_ATTR_DCC_GET_STATS_REQUEST_ARRAY]);
request_array = nla_data(
tb[QCA_WLAN_VENDOR_ATTR_DCC_GET_STATS_REQUEST_ARRAY]);
/* Initialize the callback context */
init_completion(&context.completion_evt);
context.adapter = adapter;
context.magic = HDD_OCB_MAGIC;
request.vdev_id = adapter->sessionId;
request.channel_count = channel_count;
request.request_array_len = request_array_len;
request.request_array = request_array;
/* Call the SME function. */
rc = sme_dcc_get_stats(hdd_ctx->hHal, &context,
hdd_dcc_get_stats_callback,
&request);
if (rc) {
hddLog(LOGE, FL("Error calling SME function"));
/* Need to convert from eHalStatus to errno. */
return -EINVAL;
}
/* Wait for the function to complete. */
rc = wait_for_completion_timeout(&context.completion_evt,
msecs_to_jiffies(WLAN_WAIT_TIME_OCB_CMD));
if (rc == 0) {
hddLog(LOGE, FL("Operation failed: %d"), rc);
rc = -ETIMEDOUT;
goto end;
}
if (context.status) {
hddLog(LOGE, FL("There was error: %d"), context.status);
rc = context.status;
goto end;
}
if (!adapter->dcc_get_stats_resp) {
hddLog(LOGE, FL("The response was NULL"));
rc = -EINVAL;
goto end;
}
/* Allocate the buffer for the response. */
nl_resp = cfg80211_vendor_cmd_alloc_reply_skb(wiphy, sizeof(uint32_t) +
adapter->dcc_get_stats_resp->channel_stats_array_len +
NLMSG_HDRLEN);
if (!nl_resp) {
hddLog(LOGE, FL("cfg80211_vendor_cmd_alloc_reply_skb failed"));
rc = -ENOMEM;
goto end;
}
/* Populate the response. */
rc = nla_put_u32(nl_resp,
QCA_WLAN_VENDOR_ATTR_DCC_GET_STATS_RESP_CHANNEL_COUNT,
adapter->dcc_get_stats_resp->num_channels);
if (rc)
goto end;
rc = nla_put(nl_resp,
QCA_WLAN_VENDOR_ATTR_DCC_GET_STATS_RESP_STATS_ARRAY,
adapter->dcc_get_stats_resp->channel_stats_array_len,
adapter->dcc_get_stats_resp->channel_stats_array);
if (rc)
goto end;
/* Send the response. */
rc = cfg80211_vendor_cmd_reply(nl_resp);
nl_resp = NULL;
if (rc) {
hddLog(LOGE, FL("cfg80211_vendor_cmd_reply failed: %d"), rc);
goto end;
}
/* fall through */
end:
spin_lock(&hdd_context_lock);
context.magic = 0;
vos_mem_free(adapter->dcc_get_stats_resp);
adapter->dcc_get_stats_resp = NULL;
spin_unlock(&hdd_context_lock);
if (nl_resp)
kfree_skb(nl_resp);
return rc;
}
/**
* wlan_hdd_cfg80211_dcc_get_stats() - Interface for get dcc stats
* @wiphy: pointer to the wiphy
* @wdev: pointer to the wdev
* @data: The netlink data
* @data_len: The length of the netlink data in bytes
*
* Return: 0 on success.
*/
int wlan_hdd_cfg80211_dcc_get_stats(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
int ret;
vos_ssr_protect(__func__);
ret = __wlan_hdd_cfg80211_dcc_get_stats(wiphy, wdev,
data, data_len);
vos_ssr_unprotect(__func__);
return ret;
}
/**
* __wlan_hdd_cfg80211_dcc_clear_stats() - Interface for clear dcc stats cmd
* @wiphy: pointer to the wiphy
* @wdev: pointer to the wdev
* @data: The netlink data
* @data_len: The length of the netlink data in bytes
*
* Return: 0 on success.
*/
static int __wlan_hdd_cfg80211_dcc_clear_stats(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
hdd_context_t *hdd_ctx = wiphy_priv(wiphy);
struct net_device *dev = wdev->netdev;
hdd_adapter_t *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_DCC_CLEAR_STATS_MAX + 1];
ENTER();
if (VOS_FTM_MODE == hdd_get_conparam()) {
hddLog(LOGE, FL("Command not allowed in FTM mode"));
return -EINVAL;
}
if (wlan_hdd_validate_context(hdd_ctx))
return -EINVAL;
if (adapter->device_mode != WLAN_HDD_OCB) {
hddLog(LOGE, FL("Device not in OCB mode!"));
return -EINVAL;
}
if (!wma_is_vdev_up(adapter->sessionId)) {
hddLog(LOGE, FL("The device has not been started"));
return -EINVAL;
}
/* Parse the netlink message */
if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_DCC_CLEAR_STATS_MAX,
data,
data_len,
qca_wlan_vendor_dcc_clear_stats)) {
hddLog(LOGE, FL("Invalid ATTR"));
return -EINVAL;
}
/* Verify that the parameter is present */
if (!tb[QCA_WLAN_VENDOR_ATTR_DCC_CLEAR_STATS_BITMAP]) {
hddLog(LOGE, FL("Parameters are not present."));
return -EINVAL;
}
/* Call the SME function */
if (sme_dcc_clear_stats(adapter->sessionId,
nla_get_u32(
tb[QCA_WLAN_VENDOR_ATTR_DCC_CLEAR_STATS_BITMAP])) !=
eHAL_STATUS_SUCCESS) {
hddLog(LOGE, FL("Error calling SME function."));
return -EINVAL;
}
return 0;
}
/**
* wlan_hdd_cfg80211_dcc_clear_stats() - Interface for clear dcc stats cmd
* @wiphy: pointer to the wiphy
* @wdev: pointer to the wdev
* @data: The netlink data
* @data_len: The length of the netlink data in bytes
*
* Return: 0 on success.
*/
int wlan_hdd_cfg80211_dcc_clear_stats(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
int ret;
vos_ssr_protect(__func__);
ret = __wlan_hdd_cfg80211_dcc_clear_stats(wiphy, wdev,
data, data_len);
vos_ssr_unprotect(__func__);
return ret;
}
/**
* hdd_dcc_update_ndl_callback() - Callback to update NDL command
* @context_ptr: request context
* @response_ptr: response data
*/
static void hdd_dcc_update_ndl_callback(void *context_ptr, void *response_ptr)
{
struct hdd_ocb_ctxt *context = context_ptr;
struct sir_dcc_update_ndl_response *response = response_ptr;
if (!context)
return;
spin_lock(&hdd_context_lock);
if (context->magic == HDD_OCB_MAGIC) {
if (response) {
context->adapter->dcc_update_ndl_resp = *response;
context->status = 0;
} else {
context->status = -EINVAL;
}
complete(&context->completion_evt);
}
spin_unlock(&hdd_context_lock);
}
/**
* __wlan_hdd_cfg80211_dcc_update_ndl() - Interface for update dcc cmd
* @wiphy: pointer to the wiphy
* @wdev: pointer to the wdev
* @data: The netlink data
* @data_len: The length of the netlink data in bytes
*
* Return: 0 on success.
*/
static int __wlan_hdd_cfg80211_dcc_update_ndl(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
hdd_context_t *hdd_ctx = wiphy_priv(wiphy);
struct net_device *dev = wdev->netdev;
hdd_adapter_t *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_DCC_UPDATE_NDL_MAX + 1];
struct sir_dcc_update_ndl request;
uint32_t channel_count;
uint32_t ndl_channel_array_len;
void *ndl_channel_array;
uint32_t ndl_active_state_array_len;
void *ndl_active_state_array;
int rc = -EINVAL;
struct hdd_ocb_ctxt context = {0};
ENTER();
if (VOS_FTM_MODE == hdd_get_conparam()) {
hddLog(LOGE, FL("Command not allowed in FTM mode"));
return -EINVAL;
}
if (wlan_hdd_validate_context(hdd_ctx))
goto end;
if (adapter->device_mode != WLAN_HDD_OCB) {
hddLog(LOGE, FL("Device not in OCB mode!"));
goto end;
}
if (!wma_is_vdev_up(adapter->sessionId)) {
hddLog(LOGE, FL("The device has not been started"));
return -EINVAL;
}
/* Parse the netlink message */
if (nla_parse(tb, QCA_WLAN_VENDOR_ATTR_DCC_UPDATE_NDL_MAX,
data,
data_len,
qca_wlan_vendor_dcc_update_ndl)) {
hddLog(LOGE, FL("Invalid ATTR"));
goto end;
}
/* Verify that the parameter is present */
if (!tb[QCA_WLAN_VENDOR_ATTR_DCC_UPDATE_NDL_CHANNEL_COUNT] ||
!tb[QCA_WLAN_VENDOR_ATTR_DCC_UPDATE_NDL_CHANNEL_ARRAY] ||
!tb[QCA_WLAN_VENDOR_ATTR_DCC_UPDATE_NDL_ACTIVE_STATE_ARRAY]) {
hddLog(LOGE, FL("Parameters are not present."));
return -EINVAL;
}
channel_count = nla_get_u32(
tb[QCA_WLAN_VENDOR_ATTR_DCC_UPDATE_NDL_CHANNEL_COUNT]);
ndl_channel_array_len = nla_len(
tb[QCA_WLAN_VENDOR_ATTR_DCC_UPDATE_NDL_CHANNEL_ARRAY]);
ndl_channel_array = nla_data(
tb[QCA_WLAN_VENDOR_ATTR_DCC_UPDATE_NDL_CHANNEL_ARRAY]);
ndl_active_state_array_len = nla_len(
tb[QCA_WLAN_VENDOR_ATTR_DCC_UPDATE_NDL_ACTIVE_STATE_ARRAY]);
ndl_active_state_array = nla_data(
tb[QCA_WLAN_VENDOR_ATTR_DCC_UPDATE_NDL_ACTIVE_STATE_ARRAY]);
/* Initialize the callback context */
init_completion(&context.completion_evt);
context.adapter = adapter;
context.magic = HDD_OCB_MAGIC;
/* Copy the parameters to the request structure. */
request.vdev_id = adapter->sessionId;
request.channel_count = channel_count;
request.dcc_ndl_chan_list_len = ndl_channel_array_len;
request.dcc_ndl_chan_list = ndl_channel_array;
request.dcc_ndl_active_state_list_len = ndl_active_state_array_len;
request.dcc_ndl_active_state_list = ndl_active_state_array;
/* Call the SME function */
rc = sme_dcc_update_ndl(hdd_ctx->hHal, &context,
hdd_dcc_update_ndl_callback,
&request);
if (rc) {
hddLog(LOGE, FL("Error calling SME function."));
/* Convert from eHalStatus to errno */
return -EINVAL;
}
/* Wait for the function to complete. */
rc = wait_for_completion_timeout(&context.completion_evt,
msecs_to_jiffies(WLAN_WAIT_TIME_OCB_CMD));
if (rc == 0) {
hddLog(LOGE, FL("Operation timed out"));
rc = -ETIMEDOUT;
goto end;
}
rc = 0;
if (context.status) {
hddLog(LOGE, FL("Operation failed: %d"), context.status);
rc = context.status;
goto end;
}
if (adapter->dcc_update_ndl_resp.status) {
hddLog(LOGE, FL("Operation returned: %d"),
adapter->dcc_update_ndl_resp.status);
rc = -EINVAL;
goto end;
}
/* fall through */
end:
spin_lock(&hdd_context_lock);
context.magic = 0;
spin_unlock(&hdd_context_lock);
return rc;
}
/**
* wlan_hdd_cfg80211_dcc_update_ndl() - Interface for update dcc cmd
* @wiphy: pointer to the wiphy
* @wdev: pointer to the wdev
* @data: The netlink data
* @data_len: The length of the netlink data in bytes
*
* Return: 0 on success.
*/
int wlan_hdd_cfg80211_dcc_update_ndl(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
int ret;
vos_ssr_protect(__func__);
ret = __wlan_hdd_cfg80211_dcc_update_ndl(wiphy, wdev,
data, data_len);
vos_ssr_unprotect(__func__);
return ret;
}
/**
* wlan_hdd_dcc_stats_event_callback() - Callback to get stats event
* @context_ptr: request context
* @response_ptr: response data
*/
static void wlan_hdd_dcc_stats_event_callback(void *context_ptr,
void *response_ptr)
{
hdd_context_t *hdd_ctx = (hdd_context_t *)context_ptr;
struct sir_dcc_get_stats_response *resp = response_ptr;
struct sk_buff *vendor_event;
ENTER();
vendor_event =
cfg80211_vendor_event_alloc(hdd_ctx->wiphy,
NULL, sizeof(uint32_t) + resp->channel_stats_array_len +
NLMSG_HDRLEN,
QCA_NL80211_VENDOR_SUBCMD_DCC_STATS_EVENT_INDEX,
GFP_KERNEL);
if (!vendor_event) {
hddLog(LOGE, FL("cfg80211_vendor_event_alloc failed"));
return;
}
if (nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_DCC_GET_STATS_RESP_CHANNEL_COUNT,
resp->num_channels) ||
nla_put(vendor_event,
QCA_WLAN_VENDOR_ATTR_DCC_GET_STATS_RESP_STATS_ARRAY,
resp->channel_stats_array_len,
resp->channel_stats_array)) {
hddLog(LOGE, FL("nla put failed"));
kfree_skb(vendor_event);
return;
}
cfg80211_vendor_event(vendor_event, GFP_KERNEL);
}
/**
* wlan_hdd_dcc_register_for_dcc_stats_event() - Register for dcc stats events
* @hdd_ctx: hdd context
*/
void wlan_hdd_dcc_register_for_dcc_stats_event(hdd_context_t *hdd_ctx)
{
int rc;
rc = sme_register_for_dcc_stats_event(hdd_ctx->hHal, hdd_ctx,
wlan_hdd_dcc_stats_event_callback);
if (rc)
hddLog(LOGE, FL("Register callback failed: %d"), rc);
}
static void wlan_hdd_dsrc_update_radio_chan_stats(
struct dsrc_radio_chan_stats_ctxt *ctx,
struct radio_chan_stats_rsp *resp)
{
int i, j;
struct radio_chan_stats_info *src, *dest;
if (!ctx || !resp)
return;
if (resp->num_chans > ctx->config_chans_num)
return;
src = resp->chan_stats;
dest = ctx->chan_stats;
/* Check if current event is for previous channel configuration. */
for (i = 0; i < resp->num_chans; i++, src++) {
if (!src) {
hddLog(LOGE, FL("Channel stats data is null"));
return;
}
for (j = 0; j < ctx->config_chans_num; j++) {
if (src->chan_freq == ctx->config_chans_freq[j])
break;
}
if (j == ctx->config_chans_num) {
/*
* This DSRC Channel Radio channel statistics event
* is for previous old channel configuration.
* Now just Ignore this type event and clear saved
* entry in driver. If possible, driver can post
* the recorders to application.
*/
spin_lock(&ctx->chan_stats_lock);
ctx->chan_stats_num = 0;
vos_mem_zero(dest, 2 * sizeof(*dest));
spin_unlock(&ctx->chan_stats_lock);
hddLog(LOGE, FL("Old Chan Stats Data"));
return;
}
}
/* Save the first channels statistics event in adapter. */
src = resp->chan_stats;
if (!ctx->chan_stats_num) {
spin_lock(&ctx->chan_stats_lock);
vos_mem_copy(dest, src, resp->num_chans * sizeof(*src));
ctx->chan_stats_num = resp->num_chans;
spin_unlock(&ctx->chan_stats_lock);
return;
}
/* Merge new received channel statistics data to previous entry. */
spin_lock(&ctx->chan_stats_lock);
for (i = 0; i < resp->num_chans; i++, src++) {
struct radio_chan_stats_info *dest_entry = NULL;
struct radio_chan_stats_info *empty_entry = NULL;
/* Now only two channel stats supported. */
dest = ctx->chan_stats;
for (j = 0; j < DSRC_MAX_CHAN_STATS_CNT; j++, dest++) {
/* Get empty entry */
if (dest->chan_freq == 0) {
empty_entry = dest;
continue;
}
if (src->chan_freq == dest->chan_freq) {
dest_entry = dest;
break;
}
}
if (dest_entry) {
dest = dest_entry;
} else if (empty_entry) {
/* Copy new recorders to new entry*/
ctx->chan_stats_num++;
vos_mem_copy(empty_entry, src, sizeof(*src));
continue;
} else {
spin_unlock(&ctx->chan_stats_lock);
hddLog(LOGE, FL("No entry found."));
return;
}
/* Ignore Invalid statistics data. */
if (src->measurement_period == 0) {
hddLog(LOGE, FL("Invalid stats data."));
continue;
}
/* Merge Channel Statistics. */
dest->measurement_period += src->measurement_period;
dest->on_chan_us += src->on_chan_us;
dest->on_chan_ratio = (uint32_t)vos_do_div64(
dest->on_chan_us * 100,
dest->measurement_period);
dest->tx_duration_us += src->tx_duration_us;
dest->rx_duration_us += src->rx_duration_us;
if (dest->on_chan_us == 0) {
dest->chan_busy_ratio = 0;
} else {
dest->chan_busy_ratio = (uint32_t)vos_do_div64(
(dest->tx_duration_us +
dest->rx_duration_us) * 100,
dest->on_chan_us);
}
dest->tx_mpdus += src->tx_mpdus;
dest->tx_msdus += src->tx_msdus;
dest->rx_succ_pkts += src->rx_succ_pkts;
dest->rx_fail_pkts += src->rx_fail_pkts;
}
spin_unlock(&ctx->chan_stats_lock);
return;
}
/**
* wlan_hdd_dsrc_radio_chan_stats_event_callback() - Callback function for
* WLAN DSRC Radio channel statistics event.
* @context_ptr: pointer to radio channel statistics context.
* @resp_ptr: pointer to radio channel statistics event buffer.
*/
static void wlan_hdd_dsrc_radio_chan_stats_event_callback(void *context_ptr,
void *resp_ptr)
{
int i;
struct radio_chan_stats_req *req;
struct radio_chan_stats_rsp *resp;
struct radio_chan_stats_info *chan_stats;
struct dsrc_radio_chan_stats_ctxt *ctx;
if (!context_ptr || !resp_ptr)
return;
ctx = (struct dsrc_radio_chan_stats_ctxt *)context_ptr;
resp = (struct radio_chan_stats_rsp *)resp_ptr;
chan_stats = resp->chan_stats;
if (!chan_stats) {
hddLog(LOGE, FL("No channel stats data"));
return;
}
wlan_hdd_dsrc_update_radio_chan_stats(ctx, resp);
/*
* DSRC Radio channel statistics RADIO_CHAN_STATS event is reported
* to HDD as following cases.
* 1. FW randomly report event caused by overflow,
* configuration change....
* 2. Firmware response to the request from Host APP.
* Need check whether current event is response for request.
*/
spin_lock(&hdd_context_lock);
if ((ctx->magic != HDD_OCB_MAGIC) || (!ctx->cur_req)) {
spin_unlock(&hdd_context_lock);
return;
}
req = ctx->cur_req;
switch (req->req_type) {
case WLAN_DSRC_REQUEST_ONE_RADIO_CHAN_STATS:
if ((resp->num_chans == 1) &&
(req->chan_freq == chan_stats->chan_freq)) {
complete(&ctx->completion_evt);
spin_unlock(&hdd_context_lock);
return;
}
break;
case WLAN_DSRC_REQUEST_ALL_RADIO_CHAN_STATS:
if (resp->num_chans != ctx->config_chans_num) {
spin_unlock(&hdd_context_lock);
return;
}
/* Check response channel is configured. */
for (i = 0; i < resp->num_chans; i++) {
if (chan_stats[i].chan_freq !=
ctx->config_chans_freq[i]) {
spin_unlock(&hdd_context_lock);
return;
}
}
complete(&ctx->completion_evt);
break;
}
spin_unlock(&hdd_context_lock);
return;
}
int wlan_hdd_dsrc_config_radio_chan_stats(hdd_adapter_t *adapter,
bool enable_chan_stats)
{
int ret = 0;
hdd_context_t *hdd_ctx = WLAN_HDD_GET_CTX(adapter);
struct dsrc_radio_chan_stats_ctxt *ctx;
struct radio_chan_stats_info *chan_stats;
if (VOS_FTM_MODE == hdd_get_conparam()) {
hddLog(LOGE, FL("Command not allowed in FTM mode"));
return -EINVAL;
}
if (wlan_hdd_validate_context(hdd_ctx))
return -EINVAL;
ctx = &adapter->dsrc_chan_stats;
if (ctx->enable_chan_stats == enable_chan_stats) {
hddLog(LOGE, FL("DSRC channel stats already %s\n"),
enable_chan_stats == true ? "enable" : "disable");
return ret;
}
ctx->chan_stats_num = 0;
chan_stats = ctx->chan_stats;
vos_mem_zero(chan_stats, DSRC_MAX_CHAN_STATS_CNT * sizeof(*chan_stats));
if (enable_chan_stats) {
spin_lock_init(&ctx->chan_stats_lock);
ret = sme_register_radio_chan_stats_cb(
((hdd_context_t *)adapter->pHddCtx)->hHal, (void *)ctx,
wlan_hdd_dsrc_radio_chan_stats_event_callback);
} else {
ret = sme_unregister_radio_chan_stats_cb(
((hdd_context_t *)adapter->pHddCtx)->hHal);
}
ret = process_wma_set_command((int)adapter->sessionId,
(int)WMI_PDEV_PARAM_RADIO_CHAN_STATS_ENABLE,
enable_chan_stats, PDEV_CMD);
if (!ret)
ctx->enable_chan_stats = enable_chan_stats;
return ret;
}
int wlan_hdd_dsrc_request_radio_chan_stats(hdd_adapter_t *adapter,
struct radio_chan_stats_req *req)
{
int ret = 0;
eHalStatus halStatus;
struct dsrc_radio_chan_stats_ctxt *ctx;
halStatus = sme_request_radio_chan_stats(
((hdd_context_t *)adapter->pHddCtx)->hHal, req);
if (halStatus != eHAL_STATUS_SUCCESS) {
hddLog(LOGE, FL("Error call dsrc chan stats req func."));
return -EINVAL;
}
ctx = &adapter->dsrc_chan_stats;
init_completion(&ctx->completion_evt);
spin_lock(&hdd_context_lock);
ctx->magic = HDD_OCB_MAGIC;
spin_unlock(&hdd_context_lock);
if (!wait_for_completion_timeout(&ctx->completion_evt,
msecs_to_jiffies(WLAN_WAIT_TIME_OCB_CMD))) {
hddLog(LOGE, FL("Wait for request completion timedout."));
ret = -ETIMEDOUT;
}
spin_lock(&hdd_context_lock);
ctx->magic = 0;
spin_unlock(&hdd_context_lock);
return ret;
}
void wlan_hdd_dsrc_deinit_chan_stats(hdd_adapter_t *adapter)
{
struct dsrc_radio_chan_stats_ctxt *ctx;
if (!adapter)
return;
ctx = &adapter->dsrc_chan_stats;
if (ctx->cur_req) {
vos_mem_free(ctx->cur_req);
ctx->cur_req = NULL;
}
return;
}