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android / kernel / msm.git / 029954ab12840b37bffc3ad6fe329e4a3dccc2ac / . / drivers / staging / qcacld-3.0 / core / hdd / src / wlan_hdd_stats.c
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/*
* Copyright (c) 2012-2018 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.
*/
/**
* DOC : wlan_hdd_stats.c
*
* WLAN Host Device Driver statistics related implementation
*
*/
#include "wlan_hdd_stats.h"
#include "sme_api.h"
#include "cds_sched.h"
#include "wlan_hdd_trace.h"
#include "wlan_hdd_lpass.h"
#include "hif.h"
#include "wlan_hdd_hostapd.h"
#include "wlan_hdd_debugfs_llstat.h"
#include "wma_api.h"
#include "wma.h"
/* 11B, 11G Rate table include Basic rate and Extended rate
* The IDX field is the rate index
* The HI field is the rate when RSSI is strong or being ignored
* (in this case we report actual rate)
* The MID field is the rate when RSSI is moderate
* (in this case we cap 11b rates at 5.5 and 11g rates at 24)
* The LO field is the rate when RSSI is low
* (in this case we don't report rates, actual current rate used)
*/
static const struct index_data_rate_type supported_data_rate[] = {
/* IDX HI HM LM LO (RSSI-based index */
{2, { 10, 10, 10, 0} },
{4, { 20, 20, 10, 0} },
{11, { 55, 20, 10, 0} },
{12, { 60, 55, 20, 0} },
{18, { 90, 55, 20, 0} },
{22, {110, 55, 20, 0} },
{24, {120, 90, 60, 0} },
{36, {180, 120, 60, 0} },
{44, {220, 180, 60, 0} },
{48, {240, 180, 90, 0} },
{66, {330, 180, 90, 0} },
{72, {360, 240, 90, 0} },
{96, {480, 240, 120, 0} },
{108, {540, 240, 120, 0} }
};
/* MCS Based rate table HT MCS parameters with Nss = 1 */
static struct index_data_rate_type supported_mcs_rate_nss1[] = {
/* MCS L20 L40 S20 S40 */
{0, {65, 135, 72, 150} },
{1, {130, 270, 144, 300} },
{2, {195, 405, 217, 450} },
{3, {260, 540, 289, 600} },
{4, {390, 810, 433, 900} },
{5, {520, 1080, 578, 1200} },
{6, {585, 1215, 650, 1350} },
{7, {650, 1350, 722, 1500} }
};
/* HT MCS parameters with Nss = 2 */
static struct index_data_rate_type supported_mcs_rate_nss2[] = {
/* MCS L20 L40 S20 S40 */
{0, {130, 270, 144, 300} },
{1, {260, 540, 289, 600} },
{2, {390, 810, 433, 900} },
{3, {520, 1080, 578, 1200} },
{4, {780, 1620, 867, 1800} },
{5, {1040, 2160, 1156, 2400} },
{6, {1170, 2430, 1300, 2700} },
{7, {1300, 2700, 1444, 3000} }
};
/* MCS Based VHT rate table MCS parameters with Nss = 1*/
static struct index_vht_data_rate_type supported_vht_mcs_rate_nss1[] = {
/* MCS L80 S80 L40 S40 L20 S40*/
{0, {293, 325}, {135, 150}, {65, 72} },
{1, {585, 650}, {270, 300}, {130, 144} },
{2, {878, 975}, {405, 450}, {195, 217} },
{3, {1170, 1300}, {540, 600}, {260, 289} },
{4, {1755, 1950}, {810, 900}, {390, 433} },
{5, {2340, 2600}, {1080, 1200}, {520, 578} },
{6, {2633, 2925}, {1215, 1350}, {585, 650} },
{7, {2925, 3250}, {1350, 1500}, {650, 722} },
{8, {3510, 3900}, {1620, 1800}, {780, 867} },
{9, {3900, 4333}, {1800, 2000}, {780, 867} }
};
/*MCS parameters with Nss = 2*/
static struct index_vht_data_rate_type supported_vht_mcs_rate_nss2[] = {
/* MCS L80 S80 L40 S40 L20 S40*/
{0, {585, 650}, {270, 300}, {130, 144} },
{1, {1170, 1300}, {540, 600}, {260, 289} },
{2, {1755, 1950}, {810, 900}, {390, 433} },
{3, {2340, 2600}, {1080, 1200}, {520, 578} },
{4, {3510, 3900}, {1620, 1800}, {780, 867} },
{5, {4680, 5200}, {2160, 2400}, {1040, 1156} },
{6, {5265, 5850}, {2430, 2700}, {1170, 1300} },
{7, {5850, 6500}, {2700, 3000}, {1300, 1444} },
{8, {7020, 7800}, {3240, 3600}, {1560, 1733} },
{9, {7800, 8667}, {3600, 4000}, {1560, 1733} }
};
/*array index ponints to MCS and array value points respective rssi*/
static int rssi_mcs_tbl[][10] = {
/*MCS 0 1 2 3 4 5 6 7 8 9*/
{-82, -79, -77, -74, -70, -66, -65, -64, -59, -57}, /* 20 */
{-79, -76, -74, -71, -67, -63, -62, -61, -56, -54}, /* 40 */
{-76, -73, -71, -68, -64, -60, -59, -58, -53, -51} /* 80 */
};
#ifdef WLAN_FEATURE_LINK_LAYER_STATS
static struct hdd_ll_stats_context ll_stats_context;
/**
* put_wifi_rate_stat() - put wifi rate stats
* @stats: Pointer to stats context
* @vendor_event: Pointer to vendor event
*
* Return: bool
*/
static bool put_wifi_rate_stat(tpSirWifiRateStat stats,
struct sk_buff *vendor_event)
{
if (nla_put_u8(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RATE_PREAMBLE,
stats->rate.preamble) ||
nla_put_u8(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RATE_NSS,
stats->rate.nss) ||
nla_put_u8(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RATE_BW,
stats->rate.bw) ||
nla_put_u8(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RATE_MCS_INDEX,
stats->rate.rateMcsIdx) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RATE_BIT_RATE,
stats->rate.bitrate) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RATE_TX_MPDU,
stats->txMpdu) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RATE_RX_MPDU,
stats->rxMpdu) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RATE_MPDU_LOST,
stats->mpduLost) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RATE_RETRIES,
stats->retries) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RATE_RETRIES_SHORT,
stats->retriesShort) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RATE_RETRIES_LONG,
stats->retriesLong)) {
hdd_err("QCA_WLAN_VENDOR_ATTR put fail");
return false;
}
return true;
}
/**
* put_wifi_peer_info() - put wifi peer info
* @stats: Pointer to stats context
* @vendor_event: Pointer to vendor event
*
* Return: bool
*/
static bool put_wifi_peer_info(tpSirWifiPeerInfo stats,
struct sk_buff *vendor_event)
{
u32 i = 0;
tpSirWifiRateStat pRateStats;
if (nla_put_u32
(vendor_event, QCA_WLAN_VENDOR_ATTR_LL_STATS_PEER_INFO_TYPE,
wmi_to_sir_peer_type(stats->type)) ||
nla_put(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_PEER_INFO_MAC_ADDRESS,
QDF_MAC_ADDR_SIZE, &stats->peerMacAddress.bytes[0]) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_PEER_INFO_CAPABILITIES,
stats->capabilities) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_PEER_INFO_NUM_RATES,
stats->numRate)) {
hdd_err("QCA_WLAN_VENDOR_ATTR put fail");
goto error;
}
if (stats->numRate) {
struct nlattr *rateInfo;
struct nlattr *rates;
rateInfo = nla_nest_start(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_PEER_INFO_RATE_INFO);
if (rateInfo == NULL)
goto error;
for (i = 0; i < stats->numRate; i++) {
pRateStats = (tpSirWifiRateStat) ((uint8_t *)
stats->rateStats +
(i *
sizeof
(tSirWifiRateStat)));
rates = nla_nest_start(vendor_event, i);
if (rates == NULL)
goto error;
if (false ==
put_wifi_rate_stat(pRateStats, vendor_event)) {
hdd_err("QCA_WLAN_VENDOR_ATTR put fail");
return false;
}
nla_nest_end(vendor_event, rates);
}
nla_nest_end(vendor_event, rateInfo);
}
return true;
error:
return false;
}
/**
* put_wifi_wmm_ac_stat() - put wifi wmm ac stats
* @stats: Pointer to stats context
* @vendor_event: Pointer to vendor event
*
* Return: bool
*/
static bool put_wifi_wmm_ac_stat(tpSirWifiWmmAcStat stats,
struct sk_buff *vendor_event)
{
if (nla_put_u32(vendor_event, QCA_WLAN_VENDOR_ATTR_LL_STATS_WMM_AC_AC,
stats->ac) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_WMM_AC_TX_MPDU,
stats->txMpdu) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_WMM_AC_RX_MPDU,
stats->rxMpdu) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_WMM_AC_TX_MCAST,
stats->txMcast) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_WMM_AC_RX_MCAST,
stats->rxMcast) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_WMM_AC_RX_AMPDU,
stats->rxAmpdu) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_WMM_AC_TX_AMPDU,
stats->txAmpdu) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_WMM_AC_MPDU_LOST,
stats->mpduLost) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_WMM_AC_RETRIES,
stats->retries) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_WMM_AC_RETRIES_SHORT,
stats->retriesShort) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_WMM_AC_RETRIES_LONG,
stats->retriesLong) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_WMM_AC_CONTENTION_TIME_MIN,
stats->contentionTimeMin) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_WMM_AC_CONTENTION_TIME_MAX,
stats->contentionTimeMax) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_WMM_AC_CONTENTION_TIME_AVG,
stats->contentionTimeAvg) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_WMM_AC_CONTENTION_NUM_SAMPLES,
stats->contentionNumSamples)) {
hdd_err("QCA_WLAN_VENDOR_ATTR put fail");
return false;
}
return true;
}
/**
* put_wifi_interface_info() - put wifi interface info
* @stats: Pointer to stats context
* @vendor_event: Pointer to vendor event
*
* Return: bool
*/
static bool put_wifi_interface_info(tpSirWifiInterfaceInfo stats,
struct sk_buff *vendor_event)
{
if (nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_INFO_MODE,
stats->mode) ||
nla_put(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_INFO_MAC_ADDR,
QDF_MAC_ADDR_SIZE, stats->macAddr.bytes) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_INFO_STATE,
stats->state) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_INFO_ROAMING,
stats->roaming) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_INFO_CAPABILITIES,
stats->capabilities) ||
nla_put(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_INFO_SSID,
strlen(stats->ssid), stats->ssid) ||
nla_put(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_INFO_BSSID,
QDF_MAC_ADDR_SIZE, stats->bssid.bytes) ||
nla_put(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_INFO_AP_COUNTRY_STR,
WNI_CFG_COUNTRY_CODE_LEN, stats->apCountryStr) ||
nla_put(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_INFO_COUNTRY_STR,
WNI_CFG_COUNTRY_CODE_LEN, stats->countryStr)) {
hdd_err("QCA_WLAN_VENDOR_ATTR put fail");
return false;
}
return true;
}
/**
* put_wifi_iface_stats() - put wifi interface stats
* @pWifiIfaceStat: Pointer to interface stats context
* @num_peer: Number of peers
* @vendor_event: Pointer to vendor event
*
* Return: bool
*/
static bool put_wifi_iface_stats(tpSirWifiIfaceStat pWifiIfaceStat,
u32 num_peers, struct sk_buff *vendor_event)
{
int i = 0;
struct nlattr *wmmInfo;
struct nlattr *wmmStats;
u64 average_tsf_offset;
if (false == put_wifi_interface_info(&pWifiIfaceStat->info,
vendor_event)) {
hdd_err("QCA_WLAN_VENDOR_ATTR put fail");
return false;
}
average_tsf_offset = pWifiIfaceStat->avg_bcn_spread_offset_high;
average_tsf_offset = (average_tsf_offset << 32) |
pWifiIfaceStat->avg_bcn_spread_offset_low;
if (nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_TYPE,
QCA_WLAN_VENDOR_ATTR_LL_STATS_TYPE_IFACE) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_NUM_PEERS,
num_peers) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_BEACON_RX,
pWifiIfaceStat->beaconRx) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_MGMT_RX,
pWifiIfaceStat->mgmtRx) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_MGMT_ACTION_RX,
pWifiIfaceStat->mgmtActionRx) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_MGMT_ACTION_TX,
pWifiIfaceStat->mgmtActionTx) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_RSSI_MGMT,
pWifiIfaceStat->rssiMgmt) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_RSSI_DATA,
pWifiIfaceStat->rssiData) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_RSSI_ACK,
pWifiIfaceStat->rssiAck) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_LEAKY_AP_DETECTED,
pWifiIfaceStat->is_leaky_ap) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_LEAKY_AP_AVG_NUM_FRAMES_LEAKED,
pWifiIfaceStat->avg_rx_frms_leaked) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_LEAKY_AP_GUARD_TIME,
pWifiIfaceStat->rx_leak_window) ||
hdd_wlan_nla_put_u64(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_AVERAGE_TSF_OFFSET,
average_tsf_offset) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_RTS_SUCC_CNT,
pWifiIfaceStat->rts_succ_cnt) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_RTS_FAIL_CNT,
pWifiIfaceStat->rts_fail_cnt) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_PPDU_SUCC_CNT,
pWifiIfaceStat->ppdu_succ_cnt) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_PPDU_FAIL_CNT,
pWifiIfaceStat->ppdu_fail_cnt)) {
hdd_err("QCA_WLAN_VENDOR_ATTR put fail");
return false;
}
wmmInfo = nla_nest_start(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_WMM_INFO);
if (wmmInfo == NULL)
return false;
for (i = 0; i < WIFI_AC_MAX; i++) {
wmmStats = nla_nest_start(vendor_event, i);
if (wmmStats == NULL)
return false;
if (false ==
put_wifi_wmm_ac_stat(&pWifiIfaceStat->AccessclassStats[i],
vendor_event)) {
hdd_err("put_wifi_wmm_ac_stat Fail");
return false;
}
nla_nest_end(vendor_event, wmmStats);
}
nla_nest_end(vendor_event, wmmInfo);
return true;
}
/**
* hdd_map_device_to_ll_iface_mode() - map device to link layer interface mode
* @deviceMode: Device mode
*
* Return: interface mode
*/
static tSirWifiInterfaceMode hdd_map_device_to_ll_iface_mode(int deviceMode)
{
switch (deviceMode) {
case QDF_STA_MODE:
return WIFI_INTERFACE_STA;
case QDF_SAP_MODE:
return WIFI_INTERFACE_SOFTAP;
case QDF_P2P_CLIENT_MODE:
return WIFI_INTERFACE_P2P_CLIENT;
case QDF_P2P_GO_MODE:
return WIFI_INTERFACE_P2P_GO;
case QDF_IBSS_MODE:
return WIFI_INTERFACE_IBSS;
default:
/* Return Interface Mode as STA for all the unsupported modes */
return WIFI_INTERFACE_STA;
}
}
bool hdd_get_interface_info(hdd_adapter_t *pAdapter,
tpSirWifiInterfaceInfo pInfo)
{
uint8_t *staMac = NULL;
hdd_station_ctx_t *pHddStaCtx;
tHalHandle hHal = WLAN_HDD_GET_HAL_CTX(pAdapter);
tpAniSirGlobal pMac = PMAC_STRUCT(hHal);
pInfo->mode = hdd_map_device_to_ll_iface_mode(pAdapter->device_mode);
qdf_copy_macaddr(&pInfo->macAddr, &pAdapter->macAddressCurrent);
if (((QDF_STA_MODE == pAdapter->device_mode) ||
(QDF_P2P_CLIENT_MODE == pAdapter->device_mode) ||
(QDF_P2P_DEVICE_MODE == pAdapter->device_mode))) {
pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter);
if (eConnectionState_NotConnected ==
pHddStaCtx->conn_info.connState) {
pInfo->state = WIFI_DISCONNECTED;
}
if (eConnectionState_Connecting ==
pHddStaCtx->conn_info.connState) {
hdd_err("Session ID %d, Connection is in progress",
pAdapter->sessionId);
pInfo->state = WIFI_ASSOCIATING;
}
if ((eConnectionState_Associated ==
pHddStaCtx->conn_info.connState)
&& (false == pHddStaCtx->conn_info.uIsAuthenticated)) {
staMac =
(uint8_t *) &(pAdapter->macAddressCurrent.
bytes[0]);
hdd_warn("client " MAC_ADDRESS_STR
" is in the middle of WPS/EAPOL exchange.",
MAC_ADDR_ARRAY(staMac));
pInfo->state = WIFI_AUTHENTICATING;
}
if (eConnectionState_Associated ==
pHddStaCtx->conn_info.connState) {
pInfo->state = WIFI_ASSOCIATED;
qdf_copy_macaddr(&pInfo->bssid,
&pHddStaCtx->conn_info.bssId);
qdf_mem_copy(pInfo->ssid,
pHddStaCtx->conn_info.SSID.SSID.ssId,
pHddStaCtx->conn_info.SSID.SSID.length);
/*
* NULL Terminate the string
*/
pInfo->ssid[pHddStaCtx->conn_info.SSID.SSID.length] = 0;
}
}
qdf_mem_copy(pInfo->countryStr,
pMac->scan.countryCodeCurrent, WNI_CFG_COUNTRY_CODE_LEN);
qdf_mem_copy(pInfo->apCountryStr,
pMac->scan.countryCodeCurrent, WNI_CFG_COUNTRY_CODE_LEN);
return true;
}
/**
* hdd_link_layer_process_peer_stats() - This function is called after
* @pAdapter: Pointer to device adapter
* @more_data: More data
* @pData: Pointer to stats data
*
* Receiving Link Layer Peer statistics from FW.This function converts
* the firmware data to the NL data and sends the same to the kernel/upper
* layers.
*
* Return: None
*/
static void hdd_link_layer_process_peer_stats(hdd_adapter_t *pAdapter,
u32 more_data,
tpSirWifiPeerStat pData)
{
hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter);
tpSirWifiPeerStat pWifiPeerStat;
tpSirWifiPeerInfo pWifiPeerInfo;
struct sk_buff *vendor_event;
int status, i;
struct nlattr *peers;
int numRate;
ENTER();
pWifiPeerStat = pData;
status = wlan_hdd_validate_context(pHddCtx);
if (0 != status)
return;
hdd_debug("LL_STATS_PEER_ALL : numPeers %u, more data = %u",
pWifiPeerStat->numPeers, more_data);
/*
* Allocate a size of 4096 for the peer stats comprising
* each of size = sizeof (tSirWifiPeerInfo) + numRate *
* sizeof (tSirWifiRateStat).Each field is put with an
* NL attribute.The size of 4096 is considered assuming
* that number of rates shall not exceed beyond 50 with
* the sizeof (tSirWifiRateStat) being 32.
*/
vendor_event = cfg80211_vendor_cmd_alloc_reply_skb(pHddCtx->wiphy,
LL_STATS_EVENT_BUF_SIZE);
if (!vendor_event) {
hdd_err("cfg80211_vendor_cmd_alloc_reply_skb failed");
return;
}
if (nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_TYPE,
QCA_WLAN_VENDOR_ATTR_LL_STATS_TYPE_PEER) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RESULTS_MORE_DATA,
more_data) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_NUM_PEERS,
pWifiPeerStat->numPeers)) {
hdd_err("QCA_WLAN_VENDOR_ATTR put fail");
kfree_skb(vendor_event);
return;
}
pWifiPeerInfo = (tpSirWifiPeerInfo) ((uint8_t *)
pWifiPeerStat->peerInfo);
if (pWifiPeerStat->numPeers) {
struct nlattr *peerInfo;
peerInfo = nla_nest_start(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_PEER_INFO);
if (peerInfo == NULL) {
hdd_err("nla_nest_start failed");
kfree_skb(vendor_event);
return;
}
for (i = 1; i <= pWifiPeerStat->numPeers; i++) {
peers = nla_nest_start(vendor_event, i);
if (peers == NULL) {
hdd_err("nla_nest_start failed");
kfree_skb(vendor_event);
return;
}
numRate = pWifiPeerInfo->numRate;
if (false ==
put_wifi_peer_info(pWifiPeerInfo, vendor_event)) {
hdd_err("put_wifi_peer_info fail");
kfree_skb(vendor_event);
return;
}
pWifiPeerInfo = (tpSirWifiPeerInfo) ((uint8_t *)
pWifiPeerStat->
peerInfo +
(i *
sizeof
(tSirWifiPeerInfo))
+
(numRate *
sizeof
(tSirWifiRateStat)));
nla_nest_end(vendor_event, peers);
}
nla_nest_end(vendor_event, peerInfo);
}
cfg80211_vendor_cmd_reply(vendor_event);
EXIT();
}
/**
* hdd_link_layer_process_iface_stats() - This function is called after
* @pAdapter: Pointer to device adapter
* @pData: Pointer to stats data
* @num_peers: Number of peers
*
* Receiving Link Layer Interface statistics from FW.This function converts
* the firmware data to the NL data and sends the same to the kernel/upper
* layers.
*
* Return: None
*/
static void hdd_link_layer_process_iface_stats(hdd_adapter_t *pAdapter,
tpSirWifiIfaceStat pData,
u32 num_peers)
{
tpSirWifiIfaceStat pWifiIfaceStat;
struct sk_buff *vendor_event;
hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter);
int status;
ENTER();
pWifiIfaceStat = pData;
status = wlan_hdd_validate_context(pHddCtx);
if (0 != status)
return;
/*
* Allocate a size of 4096 for the interface stats comprising
* sizeof (tpSirWifiIfaceStat).The size of 4096 is considered
* assuming that all these fit with in the limit.Please take
* a call on the limit based on the data requirements on
* interface statistics.
*/
vendor_event = cfg80211_vendor_cmd_alloc_reply_skb(pHddCtx->wiphy,
LL_STATS_EVENT_BUF_SIZE);
if (!vendor_event) {
hdd_err("cfg80211_vendor_cmd_alloc_reply_skb failed");
return;
}
hdd_debug("WMI_LINK_STATS_IFACE Data");
if (false == hdd_get_interface_info(pAdapter, &pWifiIfaceStat->info)) {
hdd_err("hdd_get_interface_info get fail");
kfree_skb(vendor_event);
return;
}
if (false ==
put_wifi_iface_stats(pWifiIfaceStat, num_peers, vendor_event)) {
hdd_err("put_wifi_iface_stats fail");
kfree_skb(vendor_event);
return;
}
cfg80211_vendor_cmd_reply(vendor_event);
EXIT();
}
/**
* hdd_llstats_radio_fill_channels() - radio stats fill channels
* @adapter: Pointer to device adapter
* @radiostat: Pointer to stats data
* @vendor_event: vendor event
*
* Return: 0 on success; errno on failure
*/
static int hdd_llstats_radio_fill_channels(hdd_adapter_t *adapter,
tSirWifiRadioStat *radiostat,
struct sk_buff *vendor_event)
{
tSirWifiChannelStats *channel_stats;
struct nlattr *chlist;
struct nlattr *chinfo;
int i;
chlist = nla_nest_start(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_CH_INFO);
if (chlist == NULL) {
hdd_err("nla_nest_start failed");
return -EINVAL;
}
for (i = 0; i < radiostat->numChannels; i++) {
channel_stats = (tSirWifiChannelStats *) ((uint8_t *)
radiostat->channels +
(i * sizeof(tSirWifiChannelStats)));
chinfo = nla_nest_start(vendor_event, i);
if (chinfo == NULL) {
hdd_err("nla_nest_start failed");
return -EINVAL;
}
if (nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_CHANNEL_INFO_WIDTH,
channel_stats->channel.width) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_CHANNEL_INFO_CENTER_FREQ,
channel_stats->channel.centerFreq) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_CHANNEL_INFO_CENTER_FREQ0,
channel_stats->channel.centerFreq0) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_CHANNEL_INFO_CENTER_FREQ1,
channel_stats->channel.centerFreq1) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_CHANNEL_ON_TIME,
channel_stats->onTime) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_CHANNEL_CCA_BUSY_TIME,
channel_stats->ccaBusyTime)) {
hdd_err("nla_put failed");
return -EINVAL;
}
nla_nest_end(vendor_event, chinfo);
}
nla_nest_end(vendor_event, chlist);
return 0;
}
/**
* hdd_llstats_post_radio_stats() - post radio stats
* @adapter: Pointer to device adapter
* @more_data: More data
* @radiostat: Pointer to stats data
* @num_radio: Number of radios
*
* Return: 0 on success; errno on failure
*/
static int hdd_llstats_post_radio_stats(hdd_adapter_t *adapter,
u32 more_data,
tSirWifiRadioStat *radiostat,
u32 num_radio)
{
struct sk_buff *vendor_event;
hdd_context_t *hdd_ctx = WLAN_HDD_GET_CTX(adapter);
int ret;
/*
* Allocate a size of 4096 for the Radio stats comprising
* sizeof (tSirWifiRadioStat) + numChannels * sizeof
* (tSirWifiChannelStats).Each channel data is put with an
* NL attribute.The size of 4096 is considered assuming that
* number of channels shall not exceed beyond 60 with the
* sizeof (tSirWifiChannelStats) being 24 bytes.
*/
vendor_event = cfg80211_vendor_cmd_alloc_reply_skb(
hdd_ctx->wiphy,
LL_STATS_EVENT_BUF_SIZE);
if (!vendor_event) {
hdd_err("cfg80211_vendor_cmd_alloc_reply_skb failed");
return -ENOMEM;
}
if (nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_TYPE,
QCA_WLAN_VENDOR_ATTR_LL_STATS_TYPE_RADIO) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RESULTS_MORE_DATA,
more_data) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_NUM_RADIOS,
num_radio) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_ID,
radiostat->radio) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_ON_TIME,
radiostat->onTime) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_TX_TIME,
radiostat->txTime) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_RX_TIME,
radiostat->rxTime) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_ON_TIME_SCAN,
radiostat->onTimeScan) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_ON_TIME_NBD,
radiostat->onTimeNbd) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_ON_TIME_GSCAN,
radiostat->onTimeGscan) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_ON_TIME_ROAM_SCAN,
radiostat->onTimeRoamScan) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_ON_TIME_PNO_SCAN,
radiostat->onTimePnoScan) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_ON_TIME_HS20,
radiostat->onTimeHs20) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_NUM_TX_LEVELS,
radiostat->total_num_tx_power_levels) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_NUM_CHANNELS,
radiostat->numChannels)) {
hdd_err("QCA_WLAN_VENDOR_ATTR put fail");
goto failure;
}
if (radiostat->total_num_tx_power_levels) {
if (nla_put(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_TX_TIME_PER_LEVEL,
sizeof(u32) *
radiostat->total_num_tx_power_levels,
radiostat->tx_time_per_power_level)) {
hdd_err("nla_put fail");
goto failure;
}
}
if (radiostat->numChannels) {
ret = hdd_llstats_radio_fill_channels(adapter, radiostat,
vendor_event);
if (ret)
goto failure;
}
cfg80211_vendor_cmd_reply(vendor_event);
return 0;
failure:
kfree_skb(vendor_event);
return -EINVAL;
}
/**
* hdd_link_layer_process_radio_stats() - This function is called after
* @pAdapter: Pointer to device adapter
* @more_data: More data
* @pData: Pointer to stats data
* @num_radios: Number of radios
*
* Receiving Link Layer Radio statistics from FW.This function converts
* the firmware data to the NL data and sends the same to the kernel/upper
* layers.
*
* Return: None
*/
static void hdd_link_layer_process_radio_stats(hdd_adapter_t *pAdapter,
u32 more_data,
tpSirWifiRadioStat pData,
u32 num_radio)
{
int status, i, nr, ret;
tSirWifiRadioStat *pWifiRadioStat = pData;
hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter);
ENTER();
status = wlan_hdd_validate_context(pHddCtx);
if (0 != status)
return;
hdd_debug("LL_STATS_RADIO: number of radios: %u", num_radio);
for (i = 0; i < num_radio; i++) {
hdd_debug("LL_STATS_RADIO"
" radio: %u onTime: %u txTime: %u rxTime: %u"
" onTimeScan: %u onTimeNbd: %u"
" onTimeGscan: %u onTimeRoamScan: %u"
" onTimePnoScan: %u onTimeHs20: %u"
" numChannels: %u total_num_tx_pwr_levels: %u"
" on_time_host_scan: %u, on_time_lpi_scan: %u",
pWifiRadioStat->radio, pWifiRadioStat->onTime,
pWifiRadioStat->txTime, pWifiRadioStat->rxTime,
pWifiRadioStat->onTimeScan, pWifiRadioStat->onTimeNbd,
pWifiRadioStat->onTimeGscan,
pWifiRadioStat->onTimeRoamScan,
pWifiRadioStat->onTimePnoScan,
pWifiRadioStat->onTimeHs20, pWifiRadioStat->numChannels,
pWifiRadioStat->total_num_tx_power_levels,
pWifiRadioStat->on_time_host_scan,
pWifiRadioStat->on_time_lpi_scan);
pWifiRadioStat++;
}
pWifiRadioStat = pData;
for (nr = 0; nr < num_radio; nr++) {
ret = hdd_llstats_post_radio_stats(pAdapter, more_data,
pWifiRadioStat, num_radio);
if (ret)
return;
pWifiRadioStat++;
}
EXIT();
}
/**
* hdd_ll_process_radio_stats() - Wrapper function for cfg80211/debugfs
* @adapter: Pointer to device adapter
* @more_data: More data
* @data: Pointer to stats data
* @num_radios: Number of radios
* @resp_id: Response ID from FW
*
* Receiving Link Layer Radio statistics from FW. This function is a wrapper
* function which calls cfg80211/debugfs functions based on the response ID.
*
* Return: None
*/
static void hdd_ll_process_radio_stats(hdd_adapter_t *adapter,
uint32_t more_data, void *data, uint32_t num_radio,
uint32_t resp_id)
{
if (DEBUGFS_LLSTATS_REQID == resp_id)
hdd_debugfs_process_radio_stats(adapter, more_data,
(tpSirWifiRadioStat)data, num_radio);
else
hdd_link_layer_process_radio_stats(adapter, more_data,
(tpSirWifiRadioStat)data, num_radio);
}
/**
* hdd_ll_process_iface_stats() - Wrapper function for cfg80211/debugfs
* @adapter: Pointer to device adapter
* @data: Pointer to stats data
* @num_peers: Number of peers
* @resp_id: Response ID from FW
*
* Receiving Link Layer Radio statistics from FW. This function is a wrapper
* function which calls cfg80211/debugfs functions based on the response ID.
*
* Return: None
*/
static void hdd_ll_process_iface_stats(hdd_adapter_t *adapter,
void *data, uint32_t num_peers, uint32_t resp_id)
{
if (DEBUGFS_LLSTATS_REQID == resp_id)
hdd_debugfs_process_iface_stats(adapter,
(tpSirWifiIfaceStat) data, num_peers);
else
hdd_link_layer_process_iface_stats(adapter,
(tpSirWifiIfaceStat) data, num_peers);
}
/**
* hdd_ll_process_peer_stats() - Wrapper function for cfg80211/debugfs
* @adapter: Pointer to device adapter
* @more_data: More data
* @data: Pointer to stats data
* @resp_id: Response ID from FW
*
* Receiving Link Layer Radio statistics from FW. This function is a wrapper
* function which calls cfg80211/debugfs functions based on the response ID.
*
* Return: None
*/
static void hdd_ll_process_peer_stats(hdd_adapter_t *adapter,
uint32_t more_data, void *data, uint32_t resp_id)
{
if (DEBUGFS_LLSTATS_REQID == resp_id)
hdd_debugfs_process_peer_stats(adapter, data);
else
hdd_link_layer_process_peer_stats(adapter, more_data,
(tpSirWifiPeerStat) data);
}
/**
* wlan_hdd_cfg80211_link_layer_stats_callback() - This function is called
* @ctx: Pointer to hdd context
* @indType: Indication type
* @pRsp: Pointer to response
*
* After receiving Link Layer indications from FW.This callback converts the
* firmware data to the NL data and send the same to the kernel/upper layers.
*
* Return: None
*/
void wlan_hdd_cfg80211_link_layer_stats_callback(void *ctx,
int indType, void *pRsp)
{
hdd_context_t *pHddCtx = (hdd_context_t *) ctx;
struct hdd_ll_stats_context *context;
hdd_adapter_t *pAdapter = NULL;
tpSirLLStatsResults linkLayerStatsResults = (tpSirLLStatsResults) pRsp;
int status;
status = wlan_hdd_validate_context(pHddCtx);
if (status)
return;
pAdapter = hdd_get_adapter_by_vdev(pHddCtx,
linkLayerStatsResults->ifaceId);
if (NULL == pAdapter) {
hdd_err("vdev_id %d does not exist with host",
linkLayerStatsResults->ifaceId);
return;
}
hdd_debug("Link Layer Indication indType: %d", indType);
switch (indType) {
case SIR_HAL_LL_STATS_RESULTS_RSP:
{
hdd_debug("LL_STATS RESP paramID = 0x%x, ifaceId = %u, respId= %u , moreResultToFollow = %u, num radio = %u result = %pK",
linkLayerStatsResults->paramId,
linkLayerStatsResults->ifaceId,
linkLayerStatsResults->rspId,
linkLayerStatsResults->moreResultToFollow,
linkLayerStatsResults->num_radio,
linkLayerStatsResults->results);
context = &ll_stats_context;
spin_lock(&context->context_lock);
/* validate response received from target */
if ((context->request_id != linkLayerStatsResults->rspId) ||
!(context->request_bitmap & linkLayerStatsResults->paramId)) {
spin_unlock(&context->context_lock);
hdd_err("Error : Request id %d response id %d request bitmap 0x%x response bitmap 0x%x",
context->request_id, linkLayerStatsResults->rspId,
context->request_bitmap, linkLayerStatsResults->paramId);
return;
}
spin_unlock(&context->context_lock);
if (linkLayerStatsResults->paramId & WMI_LINK_STATS_RADIO) {
hdd_ll_process_radio_stats(pAdapter,
linkLayerStatsResults->moreResultToFollow,
linkLayerStatsResults->results,
linkLayerStatsResults->num_radio,
linkLayerStatsResults->rspId);
spin_lock(&context->context_lock);
if (!linkLayerStatsResults->moreResultToFollow)
context->request_bitmap &= ~(WMI_LINK_STATS_RADIO);
spin_unlock(&context->context_lock);
} else if (linkLayerStatsResults->paramId &
WMI_LINK_STATS_IFACE) {
hdd_ll_process_iface_stats(pAdapter,
linkLayerStatsResults->results,
linkLayerStatsResults->num_peers,
linkLayerStatsResults->rspId);
spin_lock(&context->context_lock);
/* Firmware doesn't send peerstats event if no peers are
* connected. HDD should not wait for any peerstats in
* this case and return the status to middleware after
* receiving iface stats
*/
if (!linkLayerStatsResults->num_peers)
context->request_bitmap &=
~(WMI_LINK_STATS_ALL_PEER);
context->request_bitmap &= ~(WMI_LINK_STATS_IFACE);
spin_unlock(&context->context_lock);
} else if (linkLayerStatsResults->
paramId & WMI_LINK_STATS_ALL_PEER) {
hdd_ll_process_peer_stats(pAdapter,
linkLayerStatsResults->moreResultToFollow,
linkLayerStatsResults->results,
linkLayerStatsResults->rspId);
spin_lock(&context->context_lock);
if (!linkLayerStatsResults->moreResultToFollow)
context->request_bitmap &= ~(WMI_LINK_STATS_ALL_PEER);
spin_unlock(&context->context_lock);
} else {
hdd_err("INVALID LL_STATS_NOTIFY RESPONSE");
}
spin_lock(&context->context_lock);
/* complete response event if all requests are completed */
if (0 == context->request_bitmap)
complete(&context->response_event);
spin_unlock(&context->context_lock);
break;
}
default:
hdd_warn("invalid event type %d", indType);
break;
}
}
void hdd_lost_link_info_cb(void *context,
struct sir_lost_link_info *lost_link_info)
{
hdd_context_t *hdd_ctx = (hdd_context_t *)context;
int status;
hdd_adapter_t *adapter;
status = wlan_hdd_validate_context(hdd_ctx);
if (0 != status)
return;
if (NULL == lost_link_info) {
hdd_err("lost_link_info is NULL");
return;
}
adapter = hdd_get_adapter_by_vdev(hdd_ctx, lost_link_info->vdev_id);
if (NULL == adapter) {
hdd_err("invalid adapter");
return;
}
adapter->rssi_on_disconnect = lost_link_info->rssi;
hdd_debug("rssi on disconnect %d", adapter->rssi_on_disconnect);
}
const struct
nla_policy
qca_wlan_vendor_ll_set_policy[QCA_WLAN_VENDOR_ATTR_LL_STATS_SET_MAX + 1] = {
[QCA_WLAN_VENDOR_ATTR_LL_STATS_SET_CONFIG_MPDU_SIZE_THRESHOLD] = {
.type = NLA_U32},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_SET_CONFIG_AGGRESSIVE_STATS_GATHERING] = {
.type = NLA_U32},
};
/**
* __wlan_hdd_cfg80211_ll_stats_set() - set link layer stats
* @wiphy: Pointer to wiphy
* @wdev: Pointer to wdev
* @data: Pointer to data
* @data_len: Data length
*
* Return: int
*/
static int
__wlan_hdd_cfg80211_ll_stats_set(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
int status;
struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_LL_STATS_SET_MAX + 1];
tSirLLStatsSetReq LinkLayerStatsSetReq;
struct net_device *dev = wdev->netdev;
hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev);
hdd_context_t *pHddCtx = wiphy_priv(wiphy);
ENTER_DEV(dev);
if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) {
hdd_warn("Command not allowed in FTM mode");
return -EPERM;
}
status = wlan_hdd_validate_context(pHddCtx);
if (0 != status)
return -EINVAL;
if (hdd_nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_LL_STATS_SET_MAX,
(struct nlattr *)data, data_len,
qca_wlan_vendor_ll_set_policy)) {
hdd_err("maximum attribute not present");
return -EINVAL;
}
if (!tb_vendor
[QCA_WLAN_VENDOR_ATTR_LL_STATS_SET_CONFIG_MPDU_SIZE_THRESHOLD]) {
hdd_err("MPDU size Not present");
return -EINVAL;
}
if (!tb_vendor
[QCA_WLAN_VENDOR_ATTR_LL_STATS_SET_CONFIG_AGGRESSIVE_STATS_GATHERING]) {
hdd_err("Stats Gathering Not Present");
return -EINVAL;
}
/* Shall take the request Id if the Upper layers pass. 1 For now. */
LinkLayerStatsSetReq.reqId = 1;
LinkLayerStatsSetReq.mpduSizeThreshold =
nla_get_u32(tb_vendor
[QCA_WLAN_VENDOR_ATTR_LL_STATS_SET_CONFIG_MPDU_SIZE_THRESHOLD]);
LinkLayerStatsSetReq.aggressiveStatisticsGathering =
nla_get_u32(tb_vendor
[QCA_WLAN_VENDOR_ATTR_LL_STATS_SET_CONFIG_AGGRESSIVE_STATS_GATHERING]);
LinkLayerStatsSetReq.staId = pAdapter->sessionId;
hdd_debug("LL_STATS_SET reqId = %d, staId = %d, mpduSizeThreshold = %d, Statistics Gathering = %d",
LinkLayerStatsSetReq.reqId, LinkLayerStatsSetReq.staId,
LinkLayerStatsSetReq.mpduSizeThreshold,
LinkLayerStatsSetReq.aggressiveStatisticsGathering);
if (QDF_STATUS_SUCCESS != sme_ll_stats_set_req(pHddCtx->hHal,
&LinkLayerStatsSetReq)) {
hdd_err("sme_ll_stats_set_req Failed");
return -EINVAL;
}
pAdapter->isLinkLayerStatsSet = 1;
EXIT();
return 0;
}
/**
* wlan_hdd_cfg80211_ll_stats_set() - set ll stats
* @wiphy: Pointer to wiphy
* @wdev: Pointer to wdev
* @data: Pointer to data
* @data_len: Data length
*
* Return: 0 if success, non-zero for failure
*/
int wlan_hdd_cfg80211_ll_stats_set(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
int ret = 0;
cds_ssr_protect(__func__);
ret = __wlan_hdd_cfg80211_ll_stats_set(wiphy, wdev, data, data_len);
cds_ssr_unprotect(__func__);
return ret;
}
const struct
nla_policy
qca_wlan_vendor_ll_get_policy[QCA_WLAN_VENDOR_ATTR_LL_STATS_GET_MAX + 1] = {
/* Unsigned 32bit value provided by the caller issuing the GET stats
* command. When reporting
* the stats results, the driver uses the same value to indicate
* which GET request the results
* correspond to.
*/
[QCA_WLAN_VENDOR_ATTR_LL_STATS_GET_CONFIG_REQ_ID] = {.type = NLA_U32},
/* Unsigned 32bit value . bit mask to identify what statistics are
* requested for retrieval
*/
[QCA_WLAN_VENDOR_ATTR_LL_STATS_GET_CONFIG_REQ_MASK] = {.type = NLA_U32}
};
static int wlan_hdd_send_ll_stats_req(hdd_context_t *hdd_ctx,
tSirLLStatsGetReq *req)
{
unsigned long rc;
struct hdd_ll_stats_context *context;
context = &ll_stats_context;
spin_lock(&context->context_lock);
context->request_id = req->reqId;
context->request_bitmap = req->paramIdMask;
INIT_COMPLETION(context->response_event);
spin_unlock(&context->context_lock);
if (QDF_STATUS_SUCCESS !=
sme_ll_stats_get_req(hdd_ctx->hHal, req)) {
hdd_err("sme_ll_stats_get_req Failed");
return -EINVAL;
}
rc = wait_for_completion_timeout(&context->response_event,
msecs_to_jiffies(WLAN_WAIT_TIME_LL_STATS));
if (!rc) {
hdd_err("Target response timed out request id %d request bitmap 0x%x",
context->request_id, context->request_bitmap);
return -ETIMEDOUT;
}
return 0;
}
int wlan_hdd_ll_stats_get(hdd_adapter_t *adapter, uint32_t req_id,
uint32_t req_mask)
{
int ret;
tSirLLStatsGetReq get_req;
hdd_station_ctx_t *hddstactx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);
hdd_context_t *hdd_ctx = WLAN_HDD_GET_CTX(adapter);
ENTER();
if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) {
hdd_warn("Command not allowed in FTM mode");
return -EPERM;
}
ret = wlan_hdd_validate_context(hdd_ctx);
if (0 != ret)
return -EINVAL;
if (hddstactx->hdd_ReassocScenario) {
hdd_err("Roaming in progress, cannot process the request");
return -EBUSY;
}
if (!adapter->isLinkLayerStatsSet)
hdd_info("isLinkLayerStatsSet: %d; STATs will be all zero",
adapter->isLinkLayerStatsSet);
get_req.reqId = req_id;
get_req.paramIdMask = req_mask;
get_req.staId = adapter->sessionId;
if (wlan_hdd_validate_session_id(adapter->sessionId)) {
hdd_err("invalid session id: %d", adapter->sessionId);
return -EINVAL;
}
rtnl_lock();
ret = wlan_hdd_send_ll_stats_req(hdd_ctx, &get_req);
rtnl_unlock();
if (0 != ret)
hdd_err("Send LL stats req failed, id:%u, mask:%d, session:%d",
req_id, req_mask, adapter->sessionId);
EXIT();
return ret;
}
/**
* __wlan_hdd_cfg80211_ll_stats_get() - get link layer stats
* @wiphy: Pointer to wiphy
* @wdev: Pointer to wdev
* @data: Pointer to data
* @data_len: Data length
*
* Return: int
*/
static int
__wlan_hdd_cfg80211_ll_stats_get(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
int ret;
hdd_context_t *pHddCtx = wiphy_priv(wiphy);
struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_LL_STATS_GET_MAX + 1];
tSirLLStatsGetReq LinkLayerStatsGetReq;
struct net_device *dev = wdev->netdev;
hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev);
hdd_station_ctx_t *hddstactx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter);
/* ENTER() intentionally not used in a frequently invoked API */
if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) {
hdd_warn("Command not allowed in FTM mode");
return -EPERM;
}
ret = wlan_hdd_validate_context(pHddCtx);
if (0 != ret)
return -EINVAL;
if (!pAdapter->isLinkLayerStatsSet) {
hdd_warn("isLinkLayerStatsSet: %d",
pAdapter->isLinkLayerStatsSet);
return -EINVAL;
}
if (hddstactx->hdd_ReassocScenario) {
hdd_err("Roaming in progress, cannot process the request");
return -EBUSY;
}
if (hdd_nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_LL_STATS_GET_MAX,
(struct nlattr *)data, data_len,
qca_wlan_vendor_ll_get_policy)) {
hdd_err("max attribute not present");
return -EINVAL;
}
if (!tb_vendor[QCA_WLAN_VENDOR_ATTR_LL_STATS_GET_CONFIG_REQ_ID]) {
hdd_err("Request Id Not present");
return -EINVAL;
}
if (!tb_vendor[QCA_WLAN_VENDOR_ATTR_LL_STATS_GET_CONFIG_REQ_MASK]) {
hdd_err("Req Mask Not present");
return -EINVAL;
}
LinkLayerStatsGetReq.reqId =
nla_get_u32(tb_vendor
[QCA_WLAN_VENDOR_ATTR_LL_STATS_GET_CONFIG_REQ_ID]);
LinkLayerStatsGetReq.paramIdMask =
nla_get_u32(tb_vendor
[QCA_WLAN_VENDOR_ATTR_LL_STATS_GET_CONFIG_REQ_MASK]);
LinkLayerStatsGetReq.staId = pAdapter->sessionId;
if (wlan_hdd_validate_session_id(pAdapter->sessionId)) {
hdd_err("invalid session id: %d", pAdapter->sessionId);
return -EINVAL;
}
ret = wlan_hdd_send_ll_stats_req(pHddCtx, &LinkLayerStatsGetReq);
if (0 != ret) {
hdd_err("Failed to send LL stats request (id:%u)",
LinkLayerStatsGetReq.reqId);
return ret;
}
EXIT();
return 0;
}
/**
* wlan_hdd_cfg80211_ll_stats_get() - get ll stats
* @wiphy: Pointer to wiphy
* @wdev: Pointer to wdev
* @data: Pointer to data
* @data_len: Data length
*
* Return: 0 if success, non-zero for failure
*/
int wlan_hdd_cfg80211_ll_stats_get(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
int ret = 0;
cds_ssr_protect(__func__);
ret = __wlan_hdd_cfg80211_ll_stats_get(wiphy, wdev, data, data_len);
cds_ssr_unprotect(__func__);
return ret;
}
const struct
nla_policy
qca_wlan_vendor_ll_clr_policy[QCA_WLAN_VENDOR_ATTR_LL_STATS_CLR_MAX + 1] = {
[QCA_WLAN_VENDOR_ATTR_LL_STATS_CLR_CONFIG_REQ_MASK] = {.type = NLA_U32},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_CLR_CONFIG_STOP_REQ] = {.type = NLA_U8},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_CLR_CONFIG_RSP_MASK] = {.type = NLA_U32},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_CLR_CONFIG_STOP_RSP] = {.type = NLA_U8},
};
/**
* __wlan_hdd_cfg80211_ll_stats_clear() - clear link layer stats
* @wiphy: Pointer to wiphy
* @wdev: Pointer to wdev
* @data: Pointer to data
* @data_len: Data length
*
* Return: int
*/
static int
__wlan_hdd_cfg80211_ll_stats_clear(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
hdd_context_t *pHddCtx = wiphy_priv(wiphy);
struct nlattr *tb_vendor[QCA_WLAN_VENDOR_ATTR_LL_STATS_CLR_MAX + 1];
tSirLLStatsClearReq LinkLayerStatsClearReq;
struct net_device *dev = wdev->netdev;
hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev);
u32 statsClearReqMask;
u8 stopReq;
int status;
struct sk_buff *temp_skbuff;
ENTER_DEV(dev);
if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) {
hdd_warn("Command not allowed in FTM mode");
return -EPERM;
}
status = wlan_hdd_validate_context(pHddCtx);
if (0 != status)
return -EINVAL;
if (!pAdapter->isLinkLayerStatsSet) {
hdd_warn("isLinkLayerStatsSet : %d",
pAdapter->isLinkLayerStatsSet);
return -EINVAL;
}
if (hdd_nla_parse(tb_vendor, QCA_WLAN_VENDOR_ATTR_LL_STATS_CLR_MAX,
(struct nlattr *)data, data_len,
qca_wlan_vendor_ll_clr_policy)) {
hdd_err("STATS_CLR_MAX is not present");
return -EINVAL;
}
if (!tb_vendor[QCA_WLAN_VENDOR_ATTR_LL_STATS_CLR_CONFIG_REQ_MASK] ||
!tb_vendor[QCA_WLAN_VENDOR_ATTR_LL_STATS_CLR_CONFIG_STOP_REQ]) {
hdd_err("Error in LL_STATS CLR CONFIG PARA");
return -EINVAL;
}
statsClearReqMask = LinkLayerStatsClearReq.statsClearReqMask =
nla_get_u32(tb_vendor
[QCA_WLAN_VENDOR_ATTR_LL_STATS_CLR_CONFIG_REQ_MASK]);
stopReq = LinkLayerStatsClearReq.stopReq =
nla_get_u8(tb_vendor
[QCA_WLAN_VENDOR_ATTR_LL_STATS_CLR_CONFIG_STOP_REQ]);
/*
* Shall take the request Id if the Upper layers pass. 1 For now.
*/
LinkLayerStatsClearReq.reqId = 1;
LinkLayerStatsClearReq.staId = pAdapter->sessionId;
hdd_debug("LL_STATS_CLEAR reqId = %d, staId = %d, statsClearReqMask = 0x%X, stopReq = %d",
LinkLayerStatsClearReq.reqId,
LinkLayerStatsClearReq.staId,
LinkLayerStatsClearReq.statsClearReqMask,
LinkLayerStatsClearReq.stopReq);
if (QDF_STATUS_SUCCESS == sme_ll_stats_clear_req(pHddCtx->hHal,
&LinkLayerStatsClearReq)) {
temp_skbuff = cfg80211_vendor_cmd_alloc_reply_skb(wiphy,
2 *
sizeof(u32) +
2 *
NLMSG_HDRLEN);
if (temp_skbuff != NULL) {
if (nla_put_u32(temp_skbuff,
QCA_WLAN_VENDOR_ATTR_LL_STATS_CLR_CONFIG_RSP_MASK,
statsClearReqMask) ||
nla_put_u32(temp_skbuff,
QCA_WLAN_VENDOR_ATTR_LL_STATS_CLR_CONFIG_STOP_RSP,
stopReq)) {
hdd_err("LL_STATS_CLR put fail");
kfree_skb(temp_skbuff);
return -EINVAL;
}
/* If the ask is to stop the stats collection
* as part of clear (stopReq = 1), ensure
* that no further requests of get go to the
* firmware by having isLinkLayerStatsSet set
* to 0. However it the stopReq as part of
* the clear request is 0, the request to get
* the statistics are honoured as in this case
* the firmware is just asked to clear the
* statistics.
*/
if (stopReq == 1)
pAdapter->isLinkLayerStatsSet = 0;
return cfg80211_vendor_cmd_reply(temp_skbuff);
}
EXIT();
return -ENOMEM;
}
return -EINVAL;
}
/**
* wlan_hdd_cfg80211_ll_stats_clear() - clear ll stats
* @wiphy: Pointer to wiphy
* @wdev: Pointer to wdev
* @data: Pointer to data
* @data_len: Data length
*
* Return: 0 if success, non-zero for failure
*/
int wlan_hdd_cfg80211_ll_stats_clear(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
int ret = 0;
cds_ssr_protect(__func__);
ret = __wlan_hdd_cfg80211_ll_stats_clear(wiphy, wdev, data, data_len);
cds_ssr_unprotect(__func__);
return ret;
}
/**
* hdd_populate_per_peer_ps_info() - populate per peer sta's PS info
* @wifi_peer_info: peer information
* @vendor_event: buffer for vendor event
*
* Return: 0 success
*/
static inline int
hdd_populate_per_peer_ps_info(tSirWifiPeerInfo *wifi_peer_info,
struct sk_buff *vendor_event)
{
if (!wifi_peer_info) {
hdd_err("Invalid pointer to peer info.");
return -EINVAL;
}
if (nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_PEER_PS_STATE,
wifi_peer_info->power_saving) ||
nla_put(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_PEER_MAC_ADDRESS,
QDF_MAC_ADDR_SIZE, &wifi_peer_info->peerMacAddress)) {
hdd_err("QCA_WLAN_VENDOR_ATTR put fail.");
return -EINVAL;
}
return 0;
}
/**
* hdd_populate_wifi_peer_ps_info() - populate peer sta's power state
* @data: stats for peer STA
* @vendor_event: buffer for vendor event
*
* Return: 0 success
*/
static int hdd_populate_wifi_peer_ps_info(tSirWifiPeerStat *data,
struct sk_buff *vendor_event)
{
uint32_t peer_num, i;
tSirWifiPeerInfo *wifi_peer_info;
struct nlattr *peer_info, *peers;
if (!data) {
hdd_err("Invalid pointer to Wifi peer stat.");
return -EINVAL;
}
peer_num = data->numPeers;
if (peer_num == 0) {
hdd_err("Peer number is zero.");
return -EINVAL;
}
if (nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_PEER_NUM,
peer_num)) {
hdd_err("QCA_WLAN_VENDOR_ATTR put fail");
return -EINVAL;
}
peer_info = nla_nest_start(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_PEER_PS_CHG);
if (peer_info == NULL) {
hdd_err("nla_nest_start failed");
return -EINVAL;
}
for (i = 0; i < peer_num; i++) {
wifi_peer_info = &data->peerInfo[i];
peers = nla_nest_start(vendor_event, i);
if (peers == NULL) {
hdd_err("nla_nest_start failed");
return -EINVAL;
}
if (hdd_populate_per_peer_ps_info(wifi_peer_info, vendor_event))
return -EINVAL;
nla_nest_end(vendor_event, peers);
}
nla_nest_end(vendor_event, peer_info);
return 0;
}
/**
* hdd_populate_tx_failure_info() - populate TX failure info
* @tx_fail: TX failure info
* @skb: buffer for vendor event
*
* Return: 0 Success
*/
static inline int
hdd_populate_tx_failure_info(struct sir_wifi_iface_tx_fail *tx_fail,
struct sk_buff *skb)
{
int status = 0;
if (tx_fail == NULL || skb == NULL)
return -EINVAL;
if (nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TID,
tx_fail->tid) ||
nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_NUM_MSDU,
tx_fail->msdu_num) ||
nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_STATUS,
tx_fail->status)) {
hdd_err("QCA_WLAN_VENDOR_ATTR put fail");
status = -EINVAL;
}
return status;
}
/**
* hdd_populate_wifi_channel_cca_info() - put channel cca info to vendor event
* @info: cca info array for all channels
* @vendor_event: vendor event buffer
*
* Return: 0 Success, EINVAL failure
*/
static int
hdd_populate_wifi_channel_cca_info(struct sir_wifi_chan_cca_stats *cca,
struct sk_buff *vendor_event)
{
/* There might be no CCA info for a channel */
if (cca == NULL)
return 0;
if (nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_IDLE_TIME,
cca->idle_time) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_TIME,
cca->tx_time) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_IN_BSS_TIME,
cca->rx_in_bss_time) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_OUT_BSS_TIME,
cca->rx_out_bss_time) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_BUSY,
cca->rx_busy_time) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_BAD,
cca->rx_in_bad_cond_time) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_BAD,
cca->tx_in_bad_cond_time) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_NO_AVAIL,
cca->wlan_not_avail_time) ||
nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_IFACE_ID,
cca->vdev_id)) {
hdd_err(FL("QCA_WLAN_VENDOR_ATTR put fail"));
return -EINVAL;
}
return 0;
}
/**
* hdd_populate_wifi_signal_info - put chain signal info
* @info: RF chain signal info
* @skb: vendor event buffer
*
* Return: 0 Success, EINVAL failure
*/
static int
hdd_populate_wifi_signal_info(struct sir_wifi_peer_signal_stats *peer_signal,
struct sk_buff *skb)
{
uint32_t i, chain_count;
struct nlattr *chains, *att;
/* There might be no signal info for a peer */
if (peer_signal == NULL)
return 0;
chain_count = peer_signal->num_chain < WIFI_MAX_CHAINS ?
peer_signal->num_chain : WIFI_MAX_CHAINS;
if (nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_PEER_ANT_NUM,
chain_count)) {
hdd_err(FL("QCA_WLAN_VENDOR_ATTR put fail"));
return -EINVAL;
}
att = nla_nest_start(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_PEER_SIGNAL);
if (att == NULL) {
hdd_err(FL("nla_nest_start failed"));
return -EINVAL;
}
for (i = 0; i < chain_count; i++) {
chains = nla_nest_start(skb, i);
if (chains == NULL) {
hdd_err(FL("nla_nest_start failed"));
return -EINVAL;
}
hdd_debug(FL("SNR=%d, NF=%d, Rx=%d, Tx=%d"),
peer_signal->per_ant_snr[i],
peer_signal->nf[i],
peer_signal->per_ant_rx_mpdus[i],
peer_signal->per_ant_tx_mpdus[i]);
if (nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_ANT_SNR,
peer_signal->per_ant_snr[i]) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_ANT_NF,
peer_signal->nf[i]) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU,
peer_signal->per_ant_rx_mpdus[i]) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_MPDU,
peer_signal->per_ant_tx_mpdus[i])) {
hdd_err(FL("QCA_WLAN_VENDOR_ATTR put fail"));
return -EINVAL;
}
nla_nest_end(skb, chains);
}
nla_nest_end(skb, att);
return 0;
}
/**
* hdd_populate_wifi_wmm_ac_tx_info() - put AC TX info
* @info: tx info
* @skb: vendor event buffer
*
* Return: 0 Success, EINVAL failure
*/
static int
hdd_populate_wifi_wmm_ac_tx_info(struct sir_wifi_tx *tx_stats,
struct sk_buff *skb)
{
uint32_t *agg_size, *succ_mcs, *fail_mcs, *delay;
/* There might be no TX info for a peer */
if (tx_stats == NULL)
return 0;
agg_size = tx_stats->mpdu_aggr_size;
succ_mcs = tx_stats->success_mcs;
fail_mcs = tx_stats->fail_mcs;
delay = tx_stats->delay;
if (nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_MSDU,
tx_stats->msdus) ||
nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_MPDU,
tx_stats->mpdus) ||
nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_PPDU,
tx_stats->ppdus) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_BYTES,
tx_stats->bytes) ||
nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_DROP,
tx_stats->drops) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_DROP_BYTES,
tx_stats->drop_bytes) ||
nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_RETRY,
tx_stats->retries) ||
nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_NO_ACK,
tx_stats->failed) ||
nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_AGGR_NUM,
tx_stats->aggr_len) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_SUCC_MCS_NUM,
tx_stats->success_mcs_len) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_FAIL_MCS_NUM,
tx_stats->fail_mcs_len) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_DELAY_ARRAY_SIZE,
tx_stats->delay_len))
goto put_attr_fail;
if (agg_size) {
if (nla_put(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_AGGR,
tx_stats->aggr_len, agg_size))
goto put_attr_fail;
}
if (succ_mcs) {
if (nla_put(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_SUCC_MCS,
tx_stats->success_mcs_len, succ_mcs))
goto put_attr_fail;
}
if (fail_mcs) {
if (nla_put(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_FAIL_MCS,
tx_stats->fail_mcs_len, fail_mcs))
goto put_attr_fail;
}
if (delay) {
if (nla_put(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_DELAY,
tx_stats->delay_len, delay))
goto put_attr_fail;
}
return 0;
put_attr_fail:
hdd_err(FL("QCA_WLAN_VENDOR_ATTR put fail"));
return -EINVAL;
}
/**
* hdd_populate_wifi_wmm_ac_rx_info() - put AC RX info
* @info: rx info
* @skb: vendor event buffer
*
* Return: 0 Success, EINVAL failure
*/
static int
hdd_populate_wifi_wmm_ac_rx_info(struct sir_wifi_rx *rx_stats,
struct sk_buff *skb)
{
uint32_t *mcs, *aggr;
/* There might be no RX info for a peer */
if (rx_stats == NULL)
return 0;
aggr = rx_stats->mpdu_aggr;
mcs = rx_stats->mcs;
if (nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU,
rx_stats->mpdus) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU_BYTES,
rx_stats->bytes) ||
nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_PPDU,
rx_stats->ppdus) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_PPDU_BYTES,
rx_stats->ppdu_bytes) ||
nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU_LOST,
rx_stats->mpdu_lost) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU_RETRY,
rx_stats->mpdu_retry) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU_DUP,
rx_stats->mpdu_dup) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU_DISCARD,
rx_stats->mpdu_discard) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_AGGR_NUM,
rx_stats->aggr_len) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MCS_NUM,
rx_stats->mcs_len))
goto put_attr_fail;
if (aggr) {
if (nla_put(skb, QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_AGGR,
rx_stats->aggr_len, aggr))
goto put_attr_fail;
}
if (mcs) {
if (nla_put(skb, QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MCS,
rx_stats->mcs_len, mcs))
goto put_attr_fail;
}
return 0;
put_attr_fail:
hdd_err(FL("QCA_WLAN_VENDOR_ATTR put fail"));
return -EINVAL;
}
/**
* hdd_populate_wifi_wmm_ac_info() - put WMM AC info
* @info: per AC stats
* @skb: vendor event buffer
*
* Return: 0 Success, EINVAL failure
*/
static int
hdd_populate_wifi_wmm_ac_info(struct sir_wifi_ll_ext_wmm_ac_stats *ac_stats,
struct sk_buff *skb)
{
struct nlattr *wmm;
wmm = nla_nest_start(skb, ac_stats->type);
if (wmm == NULL)
goto nest_start_fail;
if (hdd_populate_wifi_wmm_ac_tx_info(ac_stats->tx_stats, skb) ||
hdd_populate_wifi_wmm_ac_rx_info(ac_stats->rx_stats, skb))
goto put_attr_fail;
nla_nest_end(skb, wmm);
return 0;
nest_start_fail:
hdd_err(FL("nla_nest_start failed"));
return -EINVAL;
put_attr_fail:
hdd_err(FL("QCA_WLAN_VENDOR_ATTR put fail"));
return -EINVAL;
}
/**
* hdd_populate_wifi_ll_ext_peer_info() - put per peer info
* @info: peer stats
* @skb: vendor event buffer
*
* Return: 0 Success, EINVAL failure
*/
static int
hdd_populate_wifi_ll_ext_peer_info(struct sir_wifi_ll_ext_peer_stats *peers,
struct sk_buff *skb)
{
uint32_t i;
struct nlattr *wmm_ac;
if (nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_PEER_ID,
peers->peer_id) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_IFACE_ID,
peers->vdev_id) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_PEER_PS_TIMES,
peers->sta_ps_inds) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_PEER_PS_DURATION,
peers->sta_ps_durs) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_PROBE_REQ,
peers->rx_probe_reqs) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MGMT,
peers->rx_oth_mgmts) ||
nla_put(skb, QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_PEER_MAC_ADDRESS,
QDF_MAC_ADDR_SIZE, peers->mac_address) ||
hdd_populate_wifi_signal_info(&peers->peer_signal_stats, skb)) {
hdd_err(FL("put peer signal attr failed"));
return -EINVAL;
}
wmm_ac = nla_nest_start(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_STATUS);
if (wmm_ac == NULL) {
hdd_err(FL("nla_nest_start failed"));
return -EINVAL;
}
for (i = 0; i < WLAN_MAX_AC; i++) {
if (hdd_populate_wifi_wmm_ac_info(&peers->ac_stats[i], skb)) {
hdd_err(FL("put WMM AC attr failed"));
return -EINVAL;
}
}
nla_nest_end(skb, wmm_ac);
return 0;
}
/**
* hdd_populate_wifi_ll_ext_stats() - put link layer extension stats
* @info: link layer stats
* @skb: vendor event buffer
*
* Return: 0 Success, EINVAL failure
*/
static int
hdd_populate_wifi_ll_ext_stats(struct sir_wifi_ll_ext_stats *stats,
struct sk_buff *skb)
{
uint32_t i;
struct nlattr *peer, *peer_info, *channels, *channel_info;
if (nla_put_u32(skb, QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_EVENT_MODE,
stats->trigger_cond_id) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_CCA_BSS_BITMAP,
stats->cca_chgd_bitmap) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_SIGNAL_BITMAP,
stats->sig_chgd_bitmap) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_BITMAP,
stats->tx_chgd_bitmap) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_BITMAP,
stats->rx_chgd_bitmap) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_CHANNEL_NUM,
stats->channel_num) ||
nla_put_u32(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_PEER_NUM,
stats->peer_num)) {
goto put_attr_fail;
}
channels = nla_nest_start(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_CCA_BSS);
if (channels == NULL) {
hdd_err(FL("nla_nest_start failed"));
return -EINVAL;
}
for (i = 0; i < stats->channel_num; i++) {
channel_info = nla_nest_start(skb, i);
if (channel_info == NULL) {
hdd_err(FL("nla_nest_start failed"));
return -EINVAL;
}
if (hdd_populate_wifi_channel_cca_info(&stats->cca[i], skb))
goto put_attr_fail;
nla_nest_end(skb, channel_info);
}
nla_nest_end(skb, channels);
peer_info = nla_nest_start(skb,
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_PEER);
if (peer_info == NULL) {
hdd_err(FL("nla_nest_start failed"));
return -EINVAL;
}
for (i = 0; i < stats->peer_num; i++) {
peer = nla_nest_start(skb, i);
if (peer == NULL) {
hdd_err(FL("nla_nest_start failed"));
return -EINVAL;
}
if (hdd_populate_wifi_ll_ext_peer_info(&stats->peer_stats[i],
skb))
goto put_attr_fail;
nla_nest_end(skb, peer);
}
nla_nest_end(skb, peer_info);
return 0;
put_attr_fail:
hdd_err(FL("QCA_WLAN_VENDOR_ATTR put fail"));
return -EINVAL;
}
/**
* wlan_hdd_cfg80211_link_layer_stats_ext_callback() - Callback for LL ext
* @ctx: HDD context
* @rsp: msg from FW
*
* This function is an extension of
* wlan_hdd_cfg80211_link_layer_stats_callback. It converts
* monitoring parameters offloaded to NL data and send the same to the
* kernel/upper layers.
*
* Return: None
*/
void wlan_hdd_cfg80211_link_layer_stats_ext_callback(tHddHandle ctx,
tSirLLStatsResults *rsp)
{
hdd_context_t *hdd_ctx;
struct sk_buff *skb = NULL;
uint32_t param_id, index;
hdd_adapter_t *adapter = NULL;
tSirLLStatsResults *linkLayer_stats_results;
tSirWifiPeerStat *peer_stats;
uint8_t *results;
int status;
ENTER();
if (!ctx) {
hdd_err("Invalid HDD context.");
return;
}
if (!rsp) {
hdd_err("Invalid result.");
return;
}
hdd_ctx = (hdd_context_t *)ctx;
linkLayer_stats_results = (tSirLLStatsResults *)rsp;
status = wlan_hdd_validate_context(hdd_ctx);
if (0 != status)
return;
adapter = hdd_get_adapter_by_vdev(hdd_ctx,
linkLayer_stats_results->ifaceId);
if (NULL == adapter) {
hdd_err("vdev_id %d does not exist with host.",
linkLayer_stats_results->ifaceId);
return;
}
index = QCA_NL80211_VENDOR_SUBCMD_LL_STATS_EXT_INDEX;
skb = cfg80211_vendor_event_alloc(hdd_ctx->wiphy,
NULL, LL_STATS_EVENT_BUF_SIZE + NLMSG_HDRLEN,
index, GFP_KERNEL);
if (!skb) {
hdd_err("cfg80211_vendor_event_alloc failed.");
return;
}
results = linkLayer_stats_results->results;
param_id = linkLayer_stats_results->paramId;
hdd_info("LL_STATS RESP paramID = 0x%x, ifaceId = %u, result = %pK",
linkLayer_stats_results->paramId,
linkLayer_stats_results->ifaceId,
linkLayer_stats_results->results);
if (param_id & WMI_LL_STATS_EXT_PS_CHG) {
peer_stats = (tSirWifiPeerStat *)results;
status = hdd_populate_wifi_peer_ps_info(peer_stats, skb);
} else if (param_id & WMI_LL_STATS_EXT_TX_FAIL) {
struct sir_wifi_iface_tx_fail *tx_fail;
tx_fail = (struct sir_wifi_iface_tx_fail *)results;
status = hdd_populate_tx_failure_info(tx_fail, skb);
} else if (param_id & WMI_LL_STATS_EXT_MAC_COUNTER) {
hdd_info("MAC counters stats");
status = hdd_populate_wifi_ll_ext_stats(
(struct sir_wifi_ll_ext_stats *)
rsp->results, skb);
} else {
hdd_info("Unknown link layer stats");
status = -EINVAL;
}
if (status == 0)
cfg80211_vendor_event(skb, GFP_KERNEL);
else
kfree_skb(skb);
EXIT();
}
static const struct nla_policy
qca_wlan_vendor_ll_ext_policy[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_MAX + 1] = {
[QCA_WLAN_VENDOR_ATTR_LL_STATS_CFG_PERIOD] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_GLOBAL] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_CFG_THRESHOLD] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_BITMAP] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_BITMAP] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_CCA_BSS_BITMAP] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_SIGNAL_BITMAP] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_MSDU] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_MPDU] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_PPDU] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_BYTES] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_DROP] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_DROP_BYTES] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_RETRY] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_NO_ACK] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_NO_BACK] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_AGGR] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_SUCC_MCS] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_FAIL_MCS] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_DELAY] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU_BYTES] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_PPDU] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_PPDU_BYTES] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU_LOST] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU_RETRY] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU_DUP] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU_DISCARD] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MCS] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_AGGR] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_PEER_PS_TIMES] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_PEER_PS_DURATION] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_PROBE_REQ] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MGMT] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_IDLE_TIME] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_TIME] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_BUSY] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_BAD] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_BAD] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_NO_AVAIL] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_IN_BSS_TIME] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_OUT_BSS_TIME] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_ANT_SNR] = {
.type = NLA_U32
},
[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_ANT_NF] = {
.type = NLA_U32
},
};
/**
* __wlan_hdd_cfg80211_ll_stats_ext_set_param - config monitor parameters
* @wiphy: wiphy handle
* @wdev: wdev handle
* @data: user layer input
* @data_len: length of user layer input
*
* this function is called in ssr protected environment.
*
* return: 0 success, none zero for failure
*/
static int __wlan_hdd_cfg80211_ll_stats_ext_set_param(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
int status;
uint32_t period;
struct net_device *dev = wdev->netdev;
hdd_adapter_t *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
hdd_context_t *hdd_ctx = wiphy_priv(wiphy);
struct sir_ll_ext_stats_threshold thresh = {0,};
struct nlattr *tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_MAX + 1];
ENTER_DEV(dev);
if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) {
hdd_warn(FL("command not allowed in ftm mode"));
return -EPERM;
}
status = wlan_hdd_validate_context(hdd_ctx);
if (0 != status)
return -EPERM;
if (hdd_nla_parse(tb, QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_MAX,
(struct nlattr *)data, data_len,
qca_wlan_vendor_ll_ext_policy)) {
hdd_err("maximum attribute not present");
return -EPERM;
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_CFG_PERIOD]) {
period = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_CFG_PERIOD]);
if (period != 0 && period < LL_STATS_MIN_PERIOD)
period = LL_STATS_MIN_PERIOD;
/*
* Only enable/disbale counters.
* Keep the last threshold settings.
*/
goto set_period;
}
/* global thresh is not enabled */
if (!tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_CFG_THRESHOLD]) {
thresh.global = false;
hdd_warn(FL("global thresh is not set"));
} else {
thresh.global_threshold = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_CFG_THRESHOLD]);
thresh.global = true;
hdd_debug(FL("globle thresh is %d"), thresh.global_threshold);
}
if (!tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_GLOBAL]) {
thresh.global = false;
hdd_warn(FL("global thresh is not enabled"));
} else {
thresh.global = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_GLOBAL]);
hdd_debug(FL("global is %d"), thresh.global);
}
thresh.enable_bitmap = false;
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_BITMAP]) {
thresh.tx_bitmap = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_BITMAP]);
thresh.enable_bitmap = true;
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_BITMAP]) {
thresh.rx_bitmap = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_BITMAP]);
thresh.enable_bitmap = true;
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_CCA_BSS_BITMAP]) {
thresh.cca_bitmap = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_CCA_BSS_BITMAP]);
thresh.enable_bitmap = true;
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_SIGNAL_BITMAP]) {
thresh.signal_bitmap = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_SIGNAL_BITMAP]);
thresh.enable_bitmap = true;
}
if (!thresh.global && !thresh.enable_bitmap) {
hdd_warn(FL("threshold will be disabled."));
thresh.enable = false;
/* Just disable threshold */
goto set_thresh;
} else {
thresh.enable = true;
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_MSDU]) {
thresh.tx.msdu = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_MSDU]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_MPDU]) {
thresh.tx.mpdu = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_MPDU]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_PPDU]) {
thresh.tx.ppdu = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_PPDU]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_BYTES]) {
thresh.tx.bytes = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_BYTES]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_DROP]) {
thresh.tx.msdu_drop = nla_get_u32(
tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_DROP]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_DROP_BYTES]) {
thresh.tx.byte_drop = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_DROP_BYTES]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_RETRY]) {
thresh.tx.mpdu_retry = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_RETRY]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_NO_ACK]) {
thresh.tx.mpdu_fail = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_NO_ACK]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_NO_BACK]) {
thresh.tx.ppdu_fail = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_NO_BACK]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_AGGR]) {
thresh.tx.aggregation = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_AGGR]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_SUCC_MCS]) {
thresh.tx.succ_mcs = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_SUCC_MCS]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_FAIL_MCS]) {
thresh.tx.fail_mcs = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_FAIL_MCS]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_DELAY]) {
thresh.tx.delay = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_DELAY]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU]) {
thresh.rx.mpdu = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU_BYTES]) {
thresh.rx.bytes = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU_BYTES]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_PPDU]) {
thresh.rx.ppdu = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_PPDU]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_PPDU_BYTES]) {
thresh.rx.ppdu_bytes = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_PPDU_BYTES]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU_LOST]) {
thresh.rx.mpdu_lost = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU_LOST]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU_RETRY]) {
thresh.rx.mpdu_retry = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU_RETRY]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU_DUP]) {
thresh.rx.mpdu_dup = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU_DUP]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU_DISCARD]) {
thresh.rx.mpdu_discard = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MPDU_DISCARD]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_AGGR]) {
thresh.rx.aggregation = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_AGGR]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MCS]) {
thresh.rx.mcs = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MCS]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_PEER_PS_TIMES]) {
thresh.rx.ps_inds = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_PEER_PS_TIMES]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_PEER_PS_DURATION]) {
thresh.rx.ps_durs = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_PEER_PS_DURATION]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_PROBE_REQ]) {
thresh.rx.probe_reqs = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_PROBE_REQ]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MGMT]) {
thresh.rx.other_mgmt = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_MGMT]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_IDLE_TIME]) {
thresh.cca.idle_time = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_IDLE_TIME]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_TIME]) {
thresh.cca.tx_time = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_TIME]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_IN_BSS_TIME]) {
thresh.cca.rx_in_bss_time = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_IN_BSS_TIME]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_OUT_BSS_TIME]) {
thresh.cca.rx_out_bss_time = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_OUT_BSS_TIME]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_BUSY]) {
thresh.cca.rx_busy_time = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_BUSY]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_BAD]) {
thresh.cca.rx_in_bad_cond_time = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_RX_BAD]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_BAD]) {
thresh.cca.tx_in_bad_cond_time = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_TX_BAD]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_NO_AVAIL]) {
thresh.cca.wlan_not_avail_time = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_NO_AVAIL]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_ANT_SNR]) {
thresh.signal.snr = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_ANT_SNR]);
}
if (tb[QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_ANT_NF]) {
thresh.signal.nf = nla_get_u32(tb[
QCA_WLAN_VENDOR_ATTR_LL_STATS_EXT_ANT_NF]);
}
set_thresh:
hdd_info(FL("send thresh settings to target"));
if (QDF_STATUS_SUCCESS != sme_ll_stats_set_thresh(hdd_ctx->hHal,
&thresh)) {
hdd_err(FL("sme_ll_stats_set_thresh failed."));
return -EINVAL;
}
return 0;
set_period:
hdd_info(FL("send period to target"));
status = wma_cli_set_command(adapter->sessionId,
WMI_PDEV_PARAM_STATS_OBSERVATION_PERIOD,
period, PDEV_CMD);
if (status) {
hdd_err(FL("wma_cli_set_command set_period failed."));
return -EINVAL;
}
return 0;
}
/**
* wlan_hdd_cfg80211_ll_stats_ext_set_param - config monitor parameters
* @wiphy: wiphy handle
* @wdev: wdev handle
* @data: user layer input
* @data_len: length of user layer input
*
* return: 0 success, einval failure
*/
int wlan_hdd_cfg80211_ll_stats_ext_set_param(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
int ret;
cds_ssr_protect(__func__);
ret = __wlan_hdd_cfg80211_ll_stats_ext_set_param(wiphy, wdev,
data, data_len);
cds_ssr_unprotect(__func__);
return ret;
}
#endif /* WLAN_FEATURE_LINK_LAYER_STATS */
#ifdef WLAN_FEATURE_STATS_EXT
/**
* __wlan_hdd_cfg80211_stats_ext_request() - ext stats request
* @wiphy: Pointer to wiphy
* @wdev: Pointer to wdev
* @data: Pointer to data
* @data_len: Data length
*
* Return: int
*/
static int __wlan_hdd_cfg80211_stats_ext_request(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
tStatsExtRequestReq stats_ext_req;
struct net_device *dev = wdev->netdev;
hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev);
int ret_val;
QDF_STATUS status;
hdd_context_t *hdd_ctx = wiphy_priv(wiphy);
ENTER_DEV(dev);
ret_val = wlan_hdd_validate_context(hdd_ctx);
if (ret_val)
return ret_val;
if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) {
hdd_warn("Command not allowed in FTM mode");
return -EPERM;
}
stats_ext_req.request_data_len = data_len;
stats_ext_req.request_data = (void *)data;
status = sme_stats_ext_request(pAdapter->sessionId, &stats_ext_req);
if (QDF_STATUS_SUCCESS != status)
ret_val = -EINVAL;
return ret_val;
}
/**
* wlan_hdd_cfg80211_stats_ext_request() - ext stats request
* @wiphy: Pointer to wiphy
* @wdev: Pointer to wdev
* @data: Pointer to data
* @data_len: Data length
*
* Return: int
*/
int wlan_hdd_cfg80211_stats_ext_request(struct wiphy *wiphy,
struct wireless_dev *wdev,
const void *data,
int data_len)
{
int ret;
cds_ssr_protect(__func__);
ret = __wlan_hdd_cfg80211_stats_ext_request(wiphy, wdev,
data, data_len);
cds_ssr_unprotect(__func__);
return ret;
}
/**
* wlan_hdd_cfg80211_stats_ext_callback() - ext stats callback
* @ctx: Pointer to HDD context
* @msg: Message received
*
* Return: nothing
*/
void wlan_hdd_cfg80211_stats_ext_callback(void *ctx,
tStatsExtEvent *msg)
{
hdd_context_t *pHddCtx = (hdd_context_t *) ctx;
struct sk_buff *vendor_event;
int status;
int ret_val;
tStatsExtEvent *data = msg;
hdd_adapter_t *pAdapter = NULL;
status = wlan_hdd_validate_context(pHddCtx);
if (status)
return;
pAdapter = hdd_get_adapter_by_vdev(pHddCtx, data->vdev_id);
if (NULL == pAdapter) {
hdd_err("vdev_id %d does not exist with host", data->vdev_id);
return;
}
vendor_event = cfg80211_vendor_event_alloc(pHddCtx->wiphy,
NULL,
data->event_data_len +
sizeof(uint32_t) +
NLMSG_HDRLEN + NLMSG_HDRLEN,
QCA_NL80211_VENDOR_SUBCMD_STATS_EXT_INDEX,
GFP_KERNEL);
if (!vendor_event) {
hdd_err("cfg80211_vendor_event_alloc failed");
return;
}
ret_val = nla_put_u32(vendor_event, QCA_WLAN_VENDOR_ATTR_IFINDEX,
pAdapter->dev->ifindex);
if (ret_val) {
hdd_err("QCA_WLAN_VENDOR_ATTR_IFINDEX put fail");
kfree_skb(vendor_event);
return;
}
ret_val = nla_put(vendor_event, QCA_WLAN_VENDOR_ATTR_STATS_EXT,
data->event_data_len, data->event_data);
if (ret_val) {
hdd_err("QCA_WLAN_VENDOR_ATTR_STATS_EXT put fail");
kfree_skb(vendor_event);
return;
}
cfg80211_vendor_event(vendor_event, GFP_KERNEL);
}
void wlan_hdd_cfg80211_stats_ext2_callback(void *ctx,
struct stats_ext2_event *pmsg)
{
hdd_context_t *hdd_ctx = (hdd_context_t *)ctx;
int status, data_size;
struct sk_buff *vendor_event;
status = wlan_hdd_validate_context(hdd_ctx);
if (0 != status)
return;
if (NULL == pmsg) {
hdd_err("msg received here is null");
return;
}
data_size = sizeof(struct stats_ext2_event) +
(pmsg->hole_cnt)*sizeof(pmsg->hole_info_array[0]);
vendor_event = cfg80211_vendor_event_alloc(hdd_ctx->wiphy,
NULL,
data_size + NLMSG_HDRLEN + NLMSG_HDRLEN,
QCA_NL80211_VENDOR_SUBCMD_STATS_EXT_INDEX,
GFP_KERNEL);
if (!vendor_event) {
hdd_err("vendor_event_alloc failed for STATS_EXT2");
return;
}
if (nla_put_u32(vendor_event,
QCA_WLAN_VENDOR_ATTR_RX_AGGREGATION_STATS_HOLES_NUM,
pmsg->hole_cnt)) {
hdd_err("%s put fail",
"QCA_WLAN_VENDOR_ATTR_RX_AGGREGATION_STATS_HOLES_NUM");
kfree_skb(vendor_event);
return;
}
if (nla_put(vendor_event,
QCA_WLAN_VENDOR_ATTR_RX_AGGREGATION_STATS_HOLES_INFO,
(pmsg->hole_cnt)*sizeof(pmsg->hole_info_array[0]),
(void *)(pmsg->hole_info_array))) {
hdd_err("%s put fail",
"QCA_WLAN_VENDOR_ATTR_RX_AGGREGATION_STATS_HOLES_INFO");
kfree_skb(vendor_event);
return;
}
cfg80211_vendor_event(vendor_event, GFP_KERNEL);
}
#endif /* End of WLAN_FEATURE_STATS_EXT */
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 0, 0)) && !defined(WITH_BACKPORTS)
static inline void wlan_hdd_fill_station_info_signal(struct station_info
*sinfo)
{
sinfo->filled |= STATION_INFO_SIGNAL;
}
#else
static inline void wlan_hdd_fill_station_info_signal(struct station_info
*sinfo)
{
sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
}
#endif
/*
* wlan_hdd_fill_summary_stats() - populate station_info summary stats
* @stats: summary stats to use as a source
* @info: kernel station_info struct to use as a destination
*
* Return: None
*/
static void wlan_hdd_fill_summary_stats(tCsrSummaryStatsInfo *stats,
struct station_info *info)
{
int i;
info->rx_packets = stats->rx_frm_cnt;
info->tx_packets = 0;
info->tx_retries = 0;
info->tx_failed = 0;
for (i = 0; i < WIFI_MAX_AC; ++i) {
info->tx_packets += stats->tx_frm_cnt[i];
info->tx_retries += stats->multiple_retry_cnt[i];
info->tx_failed += stats->fail_cnt[i];
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 0, 0)) && !defined(WITH_BACKPORTS)
info->filled |= STATION_INFO_TX_PACKETS |
STATION_INFO_TX_RETRIES |
STATION_INFO_TX_FAILED |
STATION_INFO_RX_PACKETS;
#else
info->filled |= BIT(NL80211_STA_INFO_RX_PACKETS) |
BIT(NL80211_STA_INFO_TX_PACKETS) |
BIT(NL80211_STA_INFO_TX_RETRIES) |
BIT(NL80211_STA_INFO_TX_FAILED);
#endif
}
/**
* wlan_hdd_get_sap_stats() - get aggregate SAP stats
* @adapter: sap adapter to get stats for
* @info: kernel station_info struct to populate
*
* Fetch the vdev-level aggregate stats for the given SAP adapter. This is to
* support "station dump" and "station get" for SAP vdevs, even though they
* aren't technically stations.
*
* Return: errno
*/
static int
wlan_hdd_get_sap_stats(hdd_adapter_t *adapter, struct station_info *info)
{
QDF_STATUS status;
status = wlan_hdd_get_station_stats(adapter);
if (QDF_IS_STATUS_ERROR(status)) {
hdd_err("Failed to get SAP stats; status:%d", status);
return qdf_status_to_os_return(status);
}
wlan_hdd_fill_summary_stats(&adapter->hdd_stats.summary_stat, info);
return 0;
}
/**
* hdd_get_max_rate_legacy() - get max rate for legacy mode
* @stainfo: stainfo pointer
* @rssidx: rssi index
*
* This function will get max rate for legacy mode
*
* Return: max rate on success, otherwise 0
*/
static uint32_t hdd_get_max_rate_legacy(hdd_station_info_t *stainfo,
uint8_t rssidx)
{
uint32_t maxrate = 0;
/*Minimum max rate, 6Mbps*/
int maxidx = 12;
int i;
/* check supported rates */
if (stainfo->max_supp_idx != 0xff &&
maxidx < stainfo->max_supp_idx)
maxidx = stainfo->max_supp_idx;
/* check extended rates */
if (stainfo->max_ext_idx != 0xff &&
maxidx < stainfo->max_ext_idx)
maxidx = stainfo->max_ext_idx;
for (i = 0; QDF_ARRAY_SIZE(supported_data_rate); i++) {
if (supported_data_rate[i].beacon_rate_index == maxidx)
maxrate =
supported_data_rate[i].supported_rate[rssidx];
}
hdd_debug("maxrate %d", maxrate);
return maxrate;
}
/**
* hdd_get_max_rate_ht() - get max rate for ht mode
* @stainfo: stainfo pointer
* @stats: fw txrx status pointer
* @rate_flags: rate flags
* @nss: number of streams
* @maxrate: returned max rate buffer pointer
* @max_mcs_idx: max mcs idx
* @report_max: report max rate or actual rate
*
* This function will get max rate for ht mode
*
* Return: None
*/
static void hdd_get_max_rate_ht(hdd_station_info_t *stainfo,
struct hdd_fw_txrx_stats *stats,
uint32_t rate_flags,
uint8_t nss,
uint32_t *maxrate,
uint8_t *max_mcs_idx,
bool report_max)
{
struct index_data_rate_type *supported_mcs_rate;
uint32_t tmprate;
uint8_t flag = 0, mcsidx;
int8_t rssi = stats->rssi;
int mode;
int i;
if (rate_flags & eHAL_TX_RATE_HT40)
mode = 1;
else
mode = 0;
if (rate_flags & eHAL_TX_RATE_HT40)
flag |= 1;
if (rate_flags & eHAL_TX_RATE_SGI)
flag |= 2;
supported_mcs_rate = (struct index_data_rate_type *)
((nss == 1) ? &supported_mcs_rate_nss1 :
&supported_mcs_rate_nss2);
if (stainfo->max_mcs_idx == 0xff) {
hdd_err("invalid max_mcs_idx");
/* report real mcs idx */
mcsidx = stats->tx_rate.mcs;
} else {
mcsidx = stainfo->max_mcs_idx;
}
if (!report_max) {
for (i = 0; i < mcsidx; i++) {
if (rssi <= rssi_mcs_tbl[mode][i]) {
mcsidx = i;
break;
}
}
if (mcsidx < stats->tx_rate.mcs)
mcsidx = stats->tx_rate.mcs;
}
tmprate = supported_mcs_rate[mcsidx].supported_rate[flag];
hdd_debug("tmprate %d mcsidx %d", tmprate, mcsidx);
*maxrate = tmprate;
*max_mcs_idx = mcsidx;
}
/**
* hdd_get_max_rate_vht() - get max rate for vht mode
* @stainfo: stainfo pointer
* @stats: fw txrx status pointer
* @rate_flags: rate flags
* @nss: number of streams
* @maxrate: returned max rate buffer pointer
* @max_mcs_idx: max mcs idx
* @report_max: report max rate or actual rate
*
* This function will get max rate for vht mode
*
* Return: None
*/
static void hdd_get_max_rate_vht(hdd_station_info_t *stainfo,
struct hdd_fw_txrx_stats *stats,
uint32_t rate_flags,
uint8_t nss,
uint32_t *maxrate,
uint8_t *max_mcs_idx,
bool report_max)
{
struct index_vht_data_rate_type *supported_vht_mcs_rate;
uint32_t tmprate = 0;
uint32_t vht_max_mcs;
uint8_t flag = 0, mcsidx = INVALID_MCS_IDX;
int8_t rssi = stats->rssi;
int mode;
int i;
supported_vht_mcs_rate = (struct index_vht_data_rate_type *)
((nss == 1) ?
&supported_vht_mcs_rate_nss1 :
&supported_vht_mcs_rate_nss2);
if (rate_flags & eHAL_TX_RATE_VHT80)
mode = 2;
else if (rate_flags & eHAL_TX_RATE_VHT40)
mode = 1;
else
mode = 0;
if (rate_flags &
(eHAL_TX_RATE_VHT20 | eHAL_TX_RATE_VHT40 | eHAL_TX_RATE_VHT80)) {
vht_max_mcs =
(enum data_rate_11ac_max_mcs)
(stainfo->tx_mcs_map & DATA_RATE_11AC_MCS_MASK);
if (rate_flags & eHAL_TX_RATE_SGI)
flag |= 1;
if (vht_max_mcs == DATA_RATE_11AC_MAX_MCS_7) {
mcsidx = 7;
} else if (vht_max_mcs == DATA_RATE_11AC_MAX_MCS_8) {
mcsidx = 8;
} else if (vht_max_mcs == DATA_RATE_11AC_MAX_MCS_9) {
/*
* 'IEEE_P802.11ac_2013.pdf' page 325, 326
* - MCS9 is valid for VHT20 when Nss = 3 or Nss = 6
* - MCS9 is not valid for VHT20 when Nss = 1,2,4,5,7,8
*/
if ((rate_flags & eHAL_TX_RATE_VHT20) &&
(nss != 3 && nss != 6))
mcsidx = 8;
else
mcsidx = 9;
} else {
hdd_err("invalid vht_max_mcs");
/* report real mcs idx */
mcsidx = stats->tx_rate.mcs;
}
if (!report_max) {
for (i = 0; i <= mcsidx; i++) {
if (rssi <= rssi_mcs_tbl[mode][i]) {
mcsidx = i;
break;
}
}
if (mcsidx < stats->tx_rate.mcs)
mcsidx = stats->tx_rate.mcs;
}
if (rate_flags & eHAL_TX_RATE_VHT80)
tmprate =
supported_vht_mcs_rate[mcsidx].supported_VHT80_rate[flag];
else if (rate_flags & eHAL_TX_RATE_VHT40)
tmprate =
supported_vht_mcs_rate[mcsidx].supported_VHT40_rate[flag];
else if (rate_flags & eHAL_TX_RATE_VHT20)
tmprate =
supported_vht_mcs_rate[mcsidx].supported_VHT20_rate[flag];
}
hdd_debug("tmprate %d mcsidx %d", tmprate, mcsidx);
*maxrate = tmprate;
*max_mcs_idx = mcsidx;
}
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0))
/**
* hdd_fill_bw_mcs() - fill ch width and mcs flags
* @stainfo: stainfo pointer
* @rate_flags: HDD rate flags
* @mcsidx: mcs index
* @nss: number of streams
* @vht: vht mode or not
*
* This function will fill ch width and mcs flags
*
* Return: None
*/
static void hdd_fill_bw_mcs(struct station_info *sinfo,
uint8_t rate_flags,
uint8_t mcsidx,
uint8_t nss,
bool vht)
{
if (vht) {
sinfo->txrate.nss = nss;
sinfo->txrate.mcs = mcsidx;
sinfo->txrate.flags |= RATE_INFO_FLAGS_VHT_MCS;
if (rate_flags & eHAL_TX_RATE_VHT80)
sinfo->txrate.bw = RATE_INFO_BW_80;
else if (rate_flags & eHAL_TX_RATE_VHT40)
sinfo->txrate.bw = RATE_INFO_BW_40;
else if (rate_flags & eHAL_TX_RATE_VHT20)
sinfo->txrate.flags |= RATE_INFO_FLAGS_VHT_MCS;
} else {
sinfo->txrate.mcs = (nss - 1) << 3;
sinfo->txrate.mcs |= mcsidx;
sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
if (rate_flags & eHAL_TX_RATE_HT40)
sinfo->txrate.bw = RATE_INFO_BW_40;
}
}
#else
/**
* hdd_fill_bw_mcs() - fill ch width and mcs flags
* @stainfo: stainfo pointer
* @rate_flags: HDD rate flags
* @mcsidx: mcs index
* @nss: number of streams
* @vht: vht mode or not
*
* This function will fill ch width and mcs flags
*
* Return: None
*/
static void hdd_fill_bw_mcs(struct station_info *sinfo,
uint8_t rate_flags,
uint8_t mcsidx,
uint8_t nss,
bool vht)
{
if (vht) {
sinfo->txrate.nss = nss;
sinfo->txrate.mcs = mcsidx;
sinfo->txrate.flags |= RATE_INFO_FLAGS_VHT_MCS;
if (rate_flags & eHAL_TX_RATE_VHT80)
sinfo->txrate.flags |= RATE_INFO_FLAGS_80_MHZ_WIDTH;
else if (rate_flags & eHAL_TX_RATE_VHT40)
sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
else if (rate_flags & eHAL_TX_RATE_VHT20)
sinfo->txrate.flags |= RATE_INFO_FLAGS_VHT_MCS;
} else {
sinfo->txrate.mcs = (nss-1) << 3;
sinfo->txrate.mcs |= mcsidx;
sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
if (rate_flags & eHAL_TX_RATE_HT40)
sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
}
}
#endif
/**
* hdd_fill_bw_mcs_vht() - fill ch width and mcs flags for VHT mode
* @stainfo: stainfo pointer
* @rate_flags: HDD rate flags
* @mcsidx: mcs index
* @nss: number of streams
*
* This function will fill ch width and mcs flags for VHT mode
*
* Return: None
*/
static void hdd_fill_bw_mcs_vht(struct station_info *sinfo,
uint8_t rate_flags,
uint8_t mcsidx,
uint8_t nss)
{
hdd_fill_bw_mcs(sinfo, rate_flags, mcsidx, nss, true);
}
/**
* hdd_fill_sinfo_rate_info() - fill rate info of sinfo struct
* @sinfo: station_info struct pointer
* @rate_flags: HDD rate flags
* @mcsidx: mcs index
* @nss: number of streams
* @maxrate: data rate (kbps)
*
* This function will fill rate info of sinfo struct
*
* Return: None
*/
static void hdd_fill_sinfo_rate_info(struct station_info *sinfo,
uint32_t rate_flags,
uint8_t mcsidx,
uint8_t nss,
uint32_t maxrate)
{
if (rate_flags & eHAL_TX_RATE_LEGACY) {
/* provide to the UI in units of 100kbps */
sinfo->txrate.legacy = maxrate;
} else {
/* must be MCS */
if (rate_flags &
(eHAL_TX_RATE_VHT80 |
eHAL_TX_RATE_VHT40 |
eHAL_TX_RATE_VHT20))
hdd_fill_bw_mcs_vht(sinfo, rate_flags, mcsidx, nss);
if (rate_flags & (eHAL_TX_RATE_HT20 | eHAL_TX_RATE_HT40))
hdd_fill_bw_mcs(sinfo, rate_flags, mcsidx, nss, false);
if (rate_flags & eHAL_TX_RATE_SGI) {
if (!(sinfo->txrate.flags & RATE_INFO_FLAGS_VHT_MCS))
sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
}
}
hdd_info("flag %x mcs %d legacy %d nss %d",
sinfo->txrate.flags,
sinfo->txrate.mcs,
sinfo->txrate.legacy,
sinfo->txrate.nss);
}
/**
* hdd_fill_station_info_flags() - fill flags of sinfo struct
* @sinfo: station_info struct pointer
*
* This function will fill flags of sinfo struct
*
* Return: None
*/
static void hdd_fill_station_info_flags(struct station_info *sinfo)
{
sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL) |
BIT(NL80211_STA_INFO_TX_BYTES) |
BIT(NL80211_STA_INFO_TX_BYTES64) |
BIT(NL80211_STA_INFO_TX_BITRATE) |
BIT(NL80211_STA_INFO_TX_PACKETS) |
BIT(NL80211_STA_INFO_TX_RETRIES) |
BIT(NL80211_STA_INFO_TX_FAILED) |
BIT(NL80211_STA_INFO_RX_BYTES) |
BIT(NL80211_STA_INFO_RX_BYTES64) |
BIT(NL80211_STA_INFO_RX_PACKETS) |
BIT(NL80211_STA_INFO_INACTIVE_TIME) |
BIT(NL80211_STA_INFO_CONNECTED_TIME);
}
/**
* hdd_fill_rate_info() - fill rate info of sinfo
* @sinfo: station_info struct pointer
* @stainfo: stainfo pointer
* @stats: fw txrx status pointer
* @cfg: hdd config pointer
*
* This function will fill rate info of sinfo
*
* Return: None
*/
static void hdd_fill_rate_info(struct station_info *sinfo,
hdd_station_info_t *stainfo,
struct hdd_fw_txrx_stats *stats,
struct hdd_config *cfg)
{
uint8_t rate_flags;
uint8_t mcsidx = 0xff;
uint32_t myrate, maxrate, tmprate;
int rssidx;
int nss = 1;
hdd_info("reportMaxLinkSpeed %d", cfg->reportMaxLinkSpeed);
/* convert to 100kbps expected in rate table */
myrate = stats->tx_rate.rate / 100;
rate_flags = stainfo->rate_flags;
if (!(rate_flags & eHAL_TX_RATE_LEGACY)) {
nss = stainfo->nss;
if (eHDD_LINK_SPEED_REPORT_ACTUAL == cfg->reportMaxLinkSpeed) {
/* Get current rate flags if report actual */
if (stats->tx_rate.rate_flags)
rate_flags =
stats->tx_rate.rate_flags;
nss = stats->tx_rate.nss;
}
if (stats->tx_rate.mcs == INVALID_MCS_IDX)
rate_flags = eHAL_TX_RATE_LEGACY;
}
if (eHDD_LINK_SPEED_REPORT_ACTUAL != cfg->reportMaxLinkSpeed) {
/* we do not want to necessarily report the current speed */
if (eHDD_LINK_SPEED_REPORT_MAX == cfg->reportMaxLinkSpeed) {
/* report the max possible speed */
rssidx = 0;
} else if (eHDD_LINK_SPEED_REPORT_MAX_SCALED ==
cfg->reportMaxLinkSpeed) {
/* report the max possible speed with RSSI scaling */
if (stats->rssi >= cfg->linkSpeedRssiHigh) {
/* report the max possible speed */
rssidx = 0;
} else if (stats->rssi >=
cfg->linkSpeedRssiMid) {
/* report middle speed */
rssidx = 1;
} else if (stats->rssi >=
cfg->linkSpeedRssiLow) {
/* report middle speed */
rssidx = 2;
} else {
/* report actual speed */
rssidx = 3;
}
} else {
/* unknown, treat as eHDD_LINK_SPEED_REPORT_MAX */
hdd_err("Invalid value for reportMaxLinkSpeed: %u",
cfg->reportMaxLinkSpeed);
rssidx = 0;
}
maxrate = hdd_get_max_rate_legacy(stainfo, rssidx);
/*
* Get MCS Rate Set --
* Only if we are connected in non legacy mode and not
* reporting actual speed
*/
if ((rssidx != 3) &&
!(rate_flags & eHAL_TX_RATE_LEGACY)) {
hdd_get_max_rate_vht(stainfo,
stats,
rate_flags,
nss,
&tmprate,
&mcsidx,
rssidx == 0);
if (maxrate < tmprate &&
mcsidx != INVALID_MCS_IDX)
maxrate = tmprate;
if (mcsidx == INVALID_MCS_IDX)
hdd_get_max_rate_ht(stainfo,
stats,
rate_flags,
nss,
&tmprate,
&mcsidx,
rssidx == 0);
if (maxrate < tmprate &&
mcsidx != INVALID_MCS_IDX)
maxrate = tmprate;
} else if (!(rate_flags & eHAL_TX_RATE_LEGACY)) {
maxrate = myrate;
mcsidx = stats->tx_rate.mcs;
}
/*
* make sure we report a value at least as big as our
* current rate
*/
if ((maxrate < myrate) || (maxrate == 0)) {
maxrate = myrate;
if (!(rate_flags & eHAL_TX_RATE_LEGACY)) {
mcsidx = stats->tx_rate.mcs;
/*
* 'IEEE_P802.11ac_2013.pdf' page 325, 326
* - MCS9 is valid for VHT20 when Nss = 3 or
* Nss = 6
* - MCS9 is not valid for VHT20 when
* Nss = 1,2,4,5,7,8
*/
if ((rate_flags & eHAL_TX_RATE_VHT20) &&
(mcsidx > 8) &&
(nss != 3 && nss != 6))
mcsidx = 8;
}
}
} else {
/* report current rate instead of max rate */
maxrate = myrate;
if (!(rate_flags & eHAL_TX_RATE_LEGACY))
mcsidx = stats->tx_rate.mcs;
}
hdd_fill_sinfo_rate_info(sinfo,
rate_flags,
mcsidx,
nss,
maxrate);
}
/**
* wlan_hdd_fill_station_info() - fill station_info struct
* @sinfo: station_info struct pointer
* @stainfo: stainfo pointer
* @stats: fw txrx status pointer
* @cfg: hdd config pointer
*
* This function will fill station_info struct
*
* Return: None
*/
static void wlan_hdd_fill_station_info(struct station_info *sinfo,
hdd_station_info_t *stainfo,
struct hdd_fw_txrx_stats *stats,
struct hdd_config *cfg)
{
qdf_time_t curr_time, dur;
curr_time = qdf_system_ticks();
dur = curr_time - stainfo->assoc_ts;
sinfo->connected_time = qdf_system_ticks_to_msecs(dur) / 1000;
dur = curr_time - stainfo->last_tx_rx_ts;
sinfo->inactive_time = qdf_system_ticks_to_msecs(dur);
sinfo->signal = stats->rssi;
sinfo->tx_bytes = stats->tx_bytes;
sinfo->tx_packets = stats->tx_packets;
sinfo->rx_bytes = stats->rx_bytes;
sinfo->rx_packets = stats->rx_packets;
sinfo->tx_failed = stats->tx_failed;
sinfo->tx_retries = stats->tx_retries;
/* tx rate info */
hdd_fill_rate_info(sinfo, stainfo, stats, cfg);
hdd_fill_station_info_flags(sinfo);
/* dump sta info*/
hdd_info("dump stainfo");
hdd_info("con_time %d inact_time %d tx_pkts %d rx_pkts %d",
sinfo->connected_time, sinfo->inactive_time,
sinfo->tx_packets, sinfo->rx_packets);
hdd_info("failed %d retries %d tx_bytes %lld rx_bytes %lld",
sinfo->tx_failed, sinfo->tx_retries,
sinfo->tx_bytes, sinfo->rx_bytes);
hdd_info("rssi %d mcs %d legacy %d nss %d flags %x",
sinfo->signal, sinfo->txrate.mcs,
sinfo->txrate.legacy, sinfo->txrate.nss,
sinfo->txrate.flags);
}
/**
* hdd_get_rate_flags_ht() - get HT rate flags based on rate, nss and mcs
* @rate: Data rate (100 kbps)
* @nss: Number of streams
* @mcs: HT mcs index
*
* This function is used to construct HT rate flag with rate, nss and mcs
*
* Return: rate flags for success, 0 on failure.
*/
static uint8_t hdd_get_rate_flags_ht(uint32_t rate,
uint8_t nss,
uint8_t mcs)
{
struct index_data_rate_type *mcs_rate;
uint8_t flags = 0;
mcs_rate = (struct index_data_rate_type *)
((nss == 1) ? &supported_mcs_rate_nss1 :
&supported_mcs_rate_nss2);
if (rate == mcs_rate[mcs].supported_rate[0]) {
flags |= eHAL_TX_RATE_HT20;
} else if (rate == mcs_rate[mcs].supported_rate[1]) {
flags |= eHAL_TX_RATE_HT40;
} else if (rate == mcs_rate[mcs].supported_rate[2]) {
flags |= eHAL_TX_RATE_HT20;
flags |= eHAL_TX_RATE_SGI;
} else if (rate == mcs_rate[mcs].supported_rate[3]) {
flags |= eHAL_TX_RATE_HT40;
flags |= eHAL_TX_RATE_SGI;
} else {
hdd_err("invalid params rate %d nss %d mcs %d",
rate, nss, mcs);
}
return flags;
}
/**
* hdd_get_rate_flags_vht() - get VHT rate flags based on rate, nss and mcs
* @rate: Data rate (100 kbps)
* @nss: Number of streams
* @mcs: VHT mcs index
*
* This function is used to construct VHT rate flag with rate, nss and mcs
*
* Return: rate flags for success, 0 on failure.
*/
static uint8_t hdd_get_rate_flags_vht(uint32_t rate,
uint8_t nss,
uint8_t mcs)
{
struct index_vht_data_rate_type *mcs_rate;
uint8_t flags = 0;
mcs_rate = (struct index_vht_data_rate_type *)
((nss == 1) ?
&supported_vht_mcs_rate_nss1 :
&supported_vht_mcs_rate_nss2);
if (rate == mcs_rate[mcs].supported_VHT80_rate[0]) {
flags |= eHAL_TX_RATE_VHT80;
} else if (rate == mcs_rate[mcs].supported_VHT80_rate[1]) {
flags |= eHAL_TX_RATE_VHT80;
flags |= eHAL_TX_RATE_SGI;
} else if (rate == mcs_rate[mcs].supported_VHT40_rate[0]) {
flags |= eHAL_TX_RATE_VHT40;
} else if (rate == mcs_rate[mcs].supported_VHT40_rate[1]) {
flags |= eHAL_TX_RATE_VHT40;
flags |= eHAL_TX_RATE_SGI;
} else if (rate == mcs_rate[mcs].supported_VHT20_rate[0]) {
flags |= eHAL_TX_RATE_VHT20;
} else if (rate == mcs_rate[mcs].supported_VHT20_rate[1]) {
flags |= eHAL_TX_RATE_VHT20;
flags |= eHAL_TX_RATE_SGI;
} else {
hdd_err("invalid params rate %d nss %d mcs %d",
rate, nss, mcs);
}
return flags;
}
/**
* hdd_get_rate_flags() - get HT/VHT rate flags based on rate, nss and mcs
* @rate: Data rate (100 kbps)
* @mode: Tx/Rx mode
* @nss: Number of streams
* @mcs: Mcs index
*
* This function is used to construct rate flag with rate, nss and mcs
*
* Return: rate flags for success, 0 on failure.
*/
static uint8_t hdd_get_rate_flags(uint32_t rate,
uint8_t mode,
uint8_t nss,
uint8_t mcs)
{
uint8_t flags = 0;
if (mode == SIR_SME_PHY_MODE_HT)
flags = hdd_get_rate_flags_ht(rate, nss, mcs);
else if (mode == SIR_SME_PHY_MODE_VHT)
flags = hdd_get_rate_flags_vht(rate, nss, mcs);
else
hdd_err("invalid mode param %d", mode);
return flags;
}
/**
* wlan_hdd_fill_rate_info() - fill HDD rate info from SIR peer info
* @ap_ctx: AP Context
* @peer_info: SIR peer info pointer
*
* This function is used to fill HDD rate info rom SIR peer info
*
* Return: None
*/
static void wlan_hdd_fill_rate_info(hdd_ap_ctx_t *ap_ctx,
struct sir_peer_info_ext *peer_info)
{
uint8_t flags;
uint32_t rate_code;
/* tx rate info */
ap_ctx->txrx_stats.tx_rate.rate = peer_info->tx_rate;
rate_code = peer_info->tx_rate_code;
if ((WMI_GET_HW_RATECODE_PREAM_V1(rate_code)) ==
WMI_RATE_PREAMBLE_HT)
ap_ctx->txrx_stats.tx_rate.mode = SIR_SME_PHY_MODE_HT;
else if ((WMI_GET_HW_RATECODE_PREAM_V1(rate_code)) ==
WMI_RATE_PREAMBLE_VHT)
ap_ctx->txrx_stats.tx_rate.mode = SIR_SME_PHY_MODE_VHT;
else
ap_ctx->txrx_stats.tx_rate.mode = SIR_SME_PHY_MODE_LEGACY;
ap_ctx->txrx_stats.tx_rate.nss =
WMI_GET_HW_RATECODE_NSS_V1(rate_code) + 1;
ap_ctx->txrx_stats.tx_rate.mcs =
WMI_GET_HW_RATECODE_RATE_V1(rate_code);
flags = hdd_get_rate_flags(ap_ctx->txrx_stats.tx_rate.rate / 100,
ap_ctx->txrx_stats.tx_rate.mode,
ap_ctx->txrx_stats.tx_rate.nss,
ap_ctx->txrx_stats.tx_rate.mcs);
ap_ctx->txrx_stats.tx_rate.rate_flags = flags;
hdd_debug("tx: mode %d nss %d mcs %d rate_flags %x flags %x",
ap_ctx->txrx_stats.tx_rate.mode,
ap_ctx->txrx_stats.tx_rate.nss,
ap_ctx->txrx_stats.tx_rate.mcs,
ap_ctx->txrx_stats.tx_rate.rate_flags,
flags);
/* rx rate info */
ap_ctx->txrx_stats.rx_rate.rate = peer_info->rx_rate;
rate_code = peer_info->rx_rate_code;
if ((WMI_GET_HW_RATECODE_PREAM_V1(rate_code)) ==
WMI_RATE_PREAMBLE_HT)
ap_ctx->txrx_stats.rx_rate.mode = SIR_SME_PHY_MODE_HT;
else if ((WMI_GET_HW_RATECODE_PREAM_V1(rate_code)) ==
WMI_RATE_PREAMBLE_VHT)
ap_ctx->txrx_stats.rx_rate.mode = SIR_SME_PHY_MODE_VHT;
else
ap_ctx->txrx_stats.rx_rate.mode = SIR_SME_PHY_MODE_LEGACY;
ap_ctx->txrx_stats.rx_rate.nss =
WMI_GET_HW_RATECODE_NSS_V1(rate_code) + 1;
ap_ctx->txrx_stats.rx_rate.mcs =
WMI_GET_HW_RATECODE_RATE_V1(rate_code);
flags = hdd_get_rate_flags(ap_ctx->txrx_stats.rx_rate.rate / 100,
ap_ctx->txrx_stats.rx_rate.mode,
ap_ctx->txrx_stats.rx_rate.nss,
ap_ctx->txrx_stats.rx_rate.mcs);
ap_ctx->txrx_stats.rx_rate.rate_flags = flags;
hdd_info("rx: mode %d nss %d mcs %d rate_flags %x flags %x",
ap_ctx->txrx_stats.rx_rate.mode,
ap_ctx->txrx_stats.rx_rate.nss,
ap_ctx->txrx_stats.rx_rate.mcs,
ap_ctx->txrx_stats.rx_rate.rate_flags,
flags);
}
/**
* wlan_hdd_get_peer_info_cb() - get peer info callback
* @sta_info: pointer of peer information
* @context: get peer info callback context
*
* This function will fill stats info of AP Context
*
*/
static void wlan_hdd_get_peer_info_cb(struct sir_peer_info_ext_resp *sta_info,
void *context)
{
struct statsContext *get_peer_info_context;
struct sir_peer_info_ext *peer_info;
hdd_adapter_t *adapter;
hdd_ap_ctx_t *ap_ctx;
if ((sta_info == NULL) || (context == NULL)) {
hdd_err("Bad param, sta_info [%pK] context [%pK]",
sta_info, context);
return;
}
spin_lock(&hdd_context_lock);
/*
* there is a race condition that exists between this callback
* function and the caller since the caller could time out either
* before or while this code is executing. we use a spinlock to
* serialize these actions
*/
get_peer_info_context = context;
if (PEER_INFO_CONTEXT_MAGIC !=
get_peer_info_context->magic) {
/*
* the caller presumably timed out so there is nothing
* we can do
*/
spin_unlock(&hdd_context_lock);
hdd_warn("Invalid context, magic [%08x]",
get_peer_info_context->magic);
return;
}
if (!sta_info->count) {
spin_unlock(&hdd_context_lock);
hdd_err("Fail to get remote peer info");
return;
}
adapter = get_peer_info_context->pAdapter;
ap_ctx = WLAN_HDD_GET_AP_CTX_PTR(adapter);
qdf_mem_zero(&ap_ctx->txrx_stats,
sizeof(ap_ctx->txrx_stats));
peer_info = sta_info->info;
ap_ctx->txrx_stats.tx_packets = peer_info->tx_packets;
ap_ctx->txrx_stats.tx_bytes = peer_info->tx_bytes;
ap_ctx->txrx_stats.rx_packets = peer_info->rx_packets;
ap_ctx->txrx_stats.rx_bytes = peer_info->rx_bytes;
ap_ctx->txrx_stats.tx_retries = peer_info->tx_retries;
ap_ctx->txrx_stats.tx_failed = peer_info->tx_failed;
ap_ctx->txrx_stats.rssi =
peer_info->rssi + WLAN_HDD_TGT_NOISE_FLOOR_DBM;
wlan_hdd_fill_rate_info(ap_ctx, peer_info);
get_peer_info_context->magic = 0;
/* notify the caller */
complete(&get_peer_info_context->completion);
/* serialization is complete */
spin_unlock(&hdd_context_lock);
}
/**
* wlan_hdd_get_peer_info() - get peer info
* @adapter: hostapd interface
* @macaddress: request peer mac address
*
* This function will call sme_get_peer_info_ext to get peer info
*
* Return: 0 on success, otherwise error value
*/
static int wlan_hdd_get_peer_info(hdd_adapter_t *adapter,
struct qdf_mac_addr macaddress)
{
QDF_STATUS status;
int ret;
static struct statsContext context;
struct sir_peer_info_ext_req peer_info_req;
if (adapter == NULL) {
hdd_err("pAdapter is NULL");
return -EFAULT;
}
init_completion(&context.completion);
context.magic = PEER_INFO_CONTEXT_MAGIC;
context.pAdapter = adapter;
qdf_mem_copy(&(peer_info_req.peer_macaddr), &macaddress,
QDF_MAC_ADDR_SIZE);
peer_info_req.sessionid = adapter->sessionId;
peer_info_req.reset_after_request = 0;
status = sme_get_peer_info_ext(WLAN_HDD_GET_HAL_CTX(adapter),
&peer_info_req,
&context,
wlan_hdd_get_peer_info_cb);
if (status != QDF_STATUS_SUCCESS) {
hdd_err("Unable to retrieve statistics for peer info");
ret = -EFAULT;
} else {
if (!wait_for_completion_timeout(&context.completion,
msecs_to_jiffies(WLAN_WAIT_TIME_STATS))) {
hdd_err("SME timed out while retrieving peer info");
ret = -EFAULT;
} else
ret = 0;
}
/*
* either we never sent a request, we sent a request and received a
* response or we sent a request and timed out. if we never sent a
* request or if we sent a request and got a response, we want to
* clear the magic out of paranoia. if we timed out there is a
* race condition such that the callback function could be
* executing at the same time we are. of primary concern is if the
* callback function had already verified the "magic" but had not
* yet set the completion variable when a timeout occurred. we
* serialize these activities by invalidating the magic while
* holding a shared spinlock which will cause us to block if the
* callback is currently executing
*/
spin_lock(&hdd_context_lock);
context.magic = 0;
spin_unlock(&hdd_context_lock);
return ret;
}
int wlan_hdd_get_station_remote(struct wiphy *wiphy,
struct net_device *dev,
const u8 *mac,
struct station_info *sinfo);
/**
* wlan_hdd_get_station_remote() - NL80211_CMD_GET_STATION handler for SoftAP
* @wiphy: pointer to wiphy
* @dev: pointer to net_device structure
* @mac: request peer mac address
* @sinfo: pointer to station_info struct
*
* This function will get remote peer info from fw and fill sinfo struct
*
* Return: 0 on success, otherwise error value
*/
int wlan_hdd_get_station_remote(struct wiphy *wiphy,
struct net_device *dev,
const u8 *mac,
struct station_info *sinfo)
{
hdd_adapter_t *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
hdd_context_t *hddctx = (hdd_context_t *)wiphy_priv(wiphy);
hdd_ap_ctx_t *ap_ctx = WLAN_HDD_GET_AP_CTX_PTR(adapter);
hdd_station_info_t *stainfo = NULL;
struct hdd_config *cfg;
struct qdf_mac_addr macaddr;
int status;
int i;
status = wlan_hdd_validate_context(hddctx);
if (status != 0)
return status;
cfg = hddctx->config;
hdd_debug("get peer %pM info", mac);
for (i = 0; i < WLAN_MAX_STA_COUNT; i++) {
if (!qdf_mem_cmp(adapter->aStaInfo[i].macAddrSTA.bytes,
mac,
QDF_MAC_ADDR_SIZE)) {
stainfo = &adapter->aStaInfo[i];
break;
}
}
if (!stainfo) {
hdd_err("peer %pM not found", mac);
return -EINVAL;
}
qdf_mem_copy(macaddr.bytes, mac, QDF_MAC_ADDR_SIZE);
status = wlan_hdd_get_peer_info(adapter, macaddr);
if (status) {
hdd_err("fail to get peer info from fw");
return -EPERM;
}
wlan_hdd_fill_station_info(sinfo, stainfo, &ap_ctx->txrx_stats, cfg);
return status;
}
/**
* __wlan_hdd_cfg80211_get_station() - get station statistics
* @wiphy: Pointer to wiphy
* @dev: Pointer to network device
* @mac: Pointer to mac
* @sinfo: Pointer to station info
*
* Return: 0 for success, non-zero for failure
*/
static int __wlan_hdd_cfg80211_get_station(struct wiphy *wiphy,
struct net_device *dev,
const uint8_t *mac,
struct station_info *sinfo)
{
hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev);
hdd_station_ctx_t *pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter);
int ssidlen = pHddStaCtx->conn_info.SSID.SSID.length;
uint8_t rate_flags;
uint8_t mcs_index;
hdd_context_t *pHddCtx = (hdd_context_t *) wiphy_priv(wiphy);
struct hdd_config *pCfg = pHddCtx->config;
uint8_t OperationalRates[CSR_DOT11_SUPPORTED_RATES_MAX];
uint32_t ORLeng = CSR_DOT11_SUPPORTED_RATES_MAX;
uint8_t ExtendedRates[CSR_DOT11_EXTENDED_SUPPORTED_RATES_MAX];
uint32_t ERLeng = CSR_DOT11_EXTENDED_SUPPORTED_RATES_MAX;
uint8_t MCSRates[SIZE_OF_BASIC_MCS_SET];
uint32_t MCSLeng = SIZE_OF_BASIC_MCS_SET;
uint16_t maxRate = 0;
int8_t snr = 0;
uint16_t myRate;
uint16_t currentRate = 0;
uint8_t maxSpeedMCS = 0;
uint8_t maxMCSIdx = 0;
uint8_t rateFlag = 1;
uint8_t i, j, rssidx;
uint8_t nss = 1;
int status, mode = 0, maxHtIdx;
struct index_vht_data_rate_type *supported_vht_mcs_rate;
struct index_data_rate_type *supported_mcs_rate;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
bool rssi_stats_valid = false;
#endif
uint32_t vht_mcs_map;
enum data_rate_11ac_max_mcs vhtMaxMcs;
int32_t rcpi_value;
ENTER_DEV(dev);
if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) {
hdd_warn("Command not allowed in FTM mode");
return -EINVAL;
}
status = wlan_hdd_validate_context(pHddCtx);
if (status)
return status;
if (wlan_hdd_validate_session_id(pAdapter->sessionId)) {
hdd_err("invalid session id: %d", pAdapter->sessionId);
return -EINVAL;
}
if (pAdapter->device_mode == QDF_SAP_MODE)
return wlan_hdd_get_sap_stats(pAdapter, sinfo);
if ((eConnectionState_Associated != pHddStaCtx->conn_info.connState) ||
(0 == ssidlen)) {
hdd_debug("Not associated or Invalid ssidlen, %d",
ssidlen);
/*To keep GUI happy */
return 0;
}
if (true == pHddStaCtx->hdd_ReassocScenario) {
hdd_debug("Roaming is in progress, cannot continue with this request");
/*
* supplicant reports very low rssi to upper layer
* and handover happens to cellular.
* send the cached rssi when get_station
*/
sinfo->signal = pAdapter->rssi;
wlan_hdd_fill_station_info_signal(sinfo);
return 0;
}
if (pHddCtx->rcpi_enabled)
wlan_hdd_get_rcpi(pAdapter, (uint8_t *)mac, &rcpi_value,
RCPI_MEASUREMENT_TYPE_AVG_MGMT);
wlan_hdd_get_station_stats(pAdapter);
pAdapter->rssi = pAdapter->hdd_stats.summary_stat.rssi;
snr = pAdapter->hdd_stats.summary_stat.snr;
/* for new connection there might be no valid previous RSSI */
if (!pAdapter->rssi) {
hdd_get_rssi_snr_by_bssid(pAdapter,
pHddStaCtx->conn_info.bssId.bytes,
&pAdapter->rssi, &snr);
}
sinfo->signal = pAdapter->rssi;
hdd_debug("snr: %d, rssi: %d",
pAdapter->hdd_stats.summary_stat.snr,
pAdapter->hdd_stats.summary_stat.rssi);
pHddStaCtx->conn_info.signal = sinfo->signal;
pHddStaCtx->conn_info.noise =
pHddStaCtx->conn_info.signal - snr;
wlan_hdd_fill_station_info_signal(sinfo);
/*
* we notify connect to lpass here instead of during actual
* connect processing because rssi info is not accurate during
* actual connection. lpass will ensure the notification is
* only processed once per association.
*/
hdd_lpass_notify_connect(pAdapter);
rate_flags = pAdapter->hdd_stats.ClassA_stat.tx_rate_flags;
mcs_index = pAdapter->hdd_stats.ClassA_stat.mcs_index;
/* convert to the UI units of 100kbps */
myRate = pAdapter->hdd_stats.ClassA_stat.tx_rate * 5;
if (!(rate_flags & eHAL_TX_RATE_LEGACY)) {
nss = pAdapter->hdd_stats.ClassA_stat.nss;
if ((nss > 1) && (wma_is_current_hwmode_dbs())) {
hdd_debug("Hw mode is DBS, Reduce nss(%d) by 1", nss);
nss--;
}
if (eHDD_LINK_SPEED_REPORT_ACTUAL == pCfg->reportMaxLinkSpeed) {
/* Get current rate flags if report actual */
/* WMA fails to find mcs_index for legacy tx rates */
if (mcs_index == INVALID_MCS_IDX && myRate)
rate_flags = eHAL_TX_RATE_LEGACY;
else
rate_flags =
pAdapter->hdd_stats.ClassA_stat.mcs_rate_flags;
}
if (mcs_index == INVALID_MCS_IDX)
mcs_index = 0;
}
hdd_debug("RSSI %d, RLMS %u, rate %d, rssi high %d, rssi mid %d, rssi low %d, rate_flags 0x%x, MCS %d",
sinfo->signal, pCfg->reportMaxLinkSpeed, myRate,
(int)pCfg->linkSpeedRssiHigh, (int)pCfg->linkSpeedRssiMid,
(int)pCfg->linkSpeedRssiLow, (int)rate_flags, (int)mcs_index);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)) || defined(WITH_BACKPORTS)
/* assume basic BW. anything else will override this later */
sinfo->txrate.bw = RATE_INFO_BW_20;
#endif
if (eHDD_LINK_SPEED_REPORT_ACTUAL != pCfg->reportMaxLinkSpeed) {
/* we do not want to necessarily report the current speed */
if (eHDD_LINK_SPEED_REPORT_MAX == pCfg->reportMaxLinkSpeed) {
/* report the max possible speed */
rssidx = 0;
} else if (eHDD_LINK_SPEED_REPORT_MAX_SCALED ==
pCfg->reportMaxLinkSpeed) {
/* report the max possible speed with RSSI scaling */
if (sinfo->signal >= pCfg->linkSpeedRssiHigh) {
/* report the max possible speed */
rssidx = 0;
} else if (sinfo->signal >= pCfg->linkSpeedRssiMid) {
/* report middle speed */
rssidx = 1;
} else if (sinfo->signal >= pCfg->linkSpeedRssiLow) {
/* report middle speed */
rssidx = 2;
} else {
/* report actual speed */
rssidx = 3;
}
} else {
/* unknown, treat as eHDD_LINK_SPEED_REPORT_MAX */
hdd_err("Invalid value for reportMaxLinkSpeed: %u",
pCfg->reportMaxLinkSpeed);
rssidx = 0;
}
maxRate = 0;
/* Get Basic Rate Set */
if (0 !=
sme_cfg_get_str(WLAN_HDD_GET_HAL_CTX(pAdapter),
WNI_CFG_OPERATIONAL_RATE_SET,
OperationalRates,
&ORLeng)) {
hdd_err("cfg get returned failure");
/*To keep GUI happy */
return 0;
}
for (i = 0; i < ORLeng; i++) {
for (j = 0;
j < ARRAY_SIZE(supported_data_rate); j++) {
/* Validate Rate Set */
if (supported_data_rate[j].beacon_rate_index ==
(OperationalRates[i] & 0x7F)) {
currentRate =
supported_data_rate[j].
supported_rate[rssidx];
break;
}
}
/* Update MAX rate */
maxRate =
(currentRate > maxRate) ? currentRate : maxRate;
}
/* Get Extended Rate Set */
if (0 !=
sme_cfg_get_str(WLAN_HDD_GET_HAL_CTX(pAdapter),
WNI_CFG_EXTENDED_OPERATIONAL_RATE_SET,
ExtendedRates, &ERLeng)) {
hdd_err("cfg get returned failure");
/*To keep GUI happy */
return 0;
}
for (i = 0; i < ERLeng; i++) {
for (j = 0;
j < ARRAY_SIZE(supported_data_rate); j++) {
if (supported_data_rate[j].beacon_rate_index ==
(ExtendedRates[i] & 0x7F)) {
currentRate =
supported_data_rate[j].
supported_rate[rssidx];
break;
}
}
/* Update MAX rate */
maxRate =
(currentRate > maxRate) ? currentRate : maxRate;
}
/* Get MCS Rate Set --
* Only if we are connected in non legacy mode and not reporting
* actual speed
*/
if ((3 != rssidx) && !(rate_flags & eHAL_TX_RATE_LEGACY)) {
if (0 !=
sme_cfg_get_str(WLAN_HDD_GET_HAL_CTX(pAdapter),
WNI_CFG_CURRENT_MCS_SET, MCSRates,
&MCSLeng)) {
hdd_err("cfg get returned failure");
/*To keep GUI happy */
return 0;
}
rateFlag = 0;
supported_vht_mcs_rate =
(struct index_vht_data_rate_type *)
((nss ==
1) ? &supported_vht_mcs_rate_nss1 :
&supported_vht_mcs_rate_nss2);
if (rate_flags & eHAL_TX_RATE_VHT80)
mode = 2;
else if ((rate_flags & eHAL_TX_RATE_VHT40) ||
(rate_flags & eHAL_TX_RATE_HT40))
mode = 1;
else
mode = 0;
/* VHT80 rate has seperate rate table */
if (rate_flags &
(eHAL_TX_RATE_VHT20 | eHAL_TX_RATE_VHT40 |
eHAL_TX_RATE_VHT80)) {
sme_cfg_get_int(WLAN_HDD_GET_HAL_CTX(pAdapter),
WNI_CFG_VHT_TX_MCS_MAP,
&vht_mcs_map);
vhtMaxMcs = (enum data_rate_11ac_max_mcs)
(vht_mcs_map & DATA_RATE_11AC_MCS_MASK);
if (rate_flags & eHAL_TX_RATE_SGI)
rateFlag |= 1;
if (DATA_RATE_11AC_MAX_MCS_7 == vhtMaxMcs)
maxMCSIdx = 7;
else if (DATA_RATE_11AC_MAX_MCS_8 ==
vhtMaxMcs)
maxMCSIdx = 8;
else if (DATA_RATE_11AC_MAX_MCS_9 ==
vhtMaxMcs) {
/*
* IEEE_P802.11ac_2013.pdf page 325, 326
* - MCS9 is valid for VHT20 when
* Nss = 3 or Nss = 6
* - MCS9 is not valid for VHT20 when
* Nss = 1,2,4,5,7,8
*/
if ((rate_flags & eHAL_TX_RATE_VHT20) &&
(nss != 3 && nss != 6))
maxMCSIdx = 8;
else
maxMCSIdx = 9;
}
if (rssidx != 0) {
for (i = 0; i <= maxMCSIdx; i++) {
if (sinfo->signal <=
rssi_mcs_tbl[mode][i]) {
maxMCSIdx = i;
break;
}
}
}
if (rate_flags & eHAL_TX_RATE_VHT80) {
currentRate =
supported_vht_mcs_rate[mcs_index].
supported_VHT80_rate[rateFlag];
maxRate =
supported_vht_mcs_rate[maxMCSIdx].
supported_VHT80_rate[rateFlag];
} else if (rate_flags & eHAL_TX_RATE_VHT40) {
currentRate =
supported_vht_mcs_rate[mcs_index].
supported_VHT40_rate[rateFlag];
maxRate =
supported_vht_mcs_rate[maxMCSIdx].
supported_VHT40_rate[rateFlag];
} else if (rate_flags & eHAL_TX_RATE_VHT20) {
currentRate =
supported_vht_mcs_rate[mcs_index].
supported_VHT20_rate[rateFlag];
maxRate =
supported_vht_mcs_rate[maxMCSIdx].
supported_VHT20_rate[rateFlag];
}
maxSpeedMCS = 1;
if (currentRate > maxRate)
maxRate = currentRate;
} else {
if (rate_flags & eHAL_TX_RATE_HT40)
rateFlag |= 1;
if (rate_flags & eHAL_TX_RATE_SGI)
rateFlag |= 2;
supported_mcs_rate =
(struct index_data_rate_type *)
((nss ==
1) ? &supported_mcs_rate_nss1 :
&supported_mcs_rate_nss2);
maxHtIdx = MAX_HT_MCS_IDX;
if (rssidx != 0) {
for (i = 0; i < MAX_HT_MCS_IDX; i++) {
if (sinfo->signal <=
rssi_mcs_tbl[mode][i]) {
maxHtIdx = i + 1;
break;
}
}
}
for (i = 0; i < MCSLeng; i++) {
for (j = 0; j < maxHtIdx; j++) {
if (supported_mcs_rate[j].
beacon_rate_index ==
MCSRates[i]) {
currentRate =
supported_mcs_rate[j].
supported_rate
[rateFlag];
maxMCSIdx =
supported_mcs_rate[j].
beacon_rate_index;
break;
}
}
if ((j < MAX_HT_MCS_IDX)
&& (currentRate > maxRate)) {
maxRate = currentRate;
}
maxSpeedMCS = 1;
}
if (nss == 2)
maxMCSIdx += MAX_HT_MCS_IDX;
}
}
else if (!(rate_flags & eHAL_TX_RATE_LEGACY)) {
maxRate = myRate;
maxSpeedMCS = 1;
maxMCSIdx = mcs_index;
}
/* report a value at least as big as current rate */
if ((maxRate < myRate) || (0 == maxRate)) {
maxRate = myRate;
if (rate_flags & eHAL_TX_RATE_LEGACY) {
maxSpeedMCS = 0;
} else {
maxSpeedMCS = 1;
maxMCSIdx = mcs_index;
/*
* IEEE_P802.11ac_2013.pdf page 325, 326
* - MCS9 is valid for VHT20 when
* Nss = 3 or Nss = 6
* - MCS9 is not valid for VHT20 when
* Nss = 1,2,4,5,7,8
*/
if ((rate_flags & eHAL_TX_RATE_VHT20) &&
(maxMCSIdx > 8) &&
(nss != 3 && nss != 6)) {
maxMCSIdx = 8;
}
}
}
if (rate_flags & eHAL_TX_RATE_LEGACY) {
sinfo->txrate.legacy = maxRate;
#ifdef LINKSPEED_DEBUG_ENABLED
pr_info("Reporting legacy rate %d\n",
sinfo->txrate.legacy);
#endif /* LINKSPEED_DEBUG_ENABLED */
} else {
sinfo->txrate.mcs = maxMCSIdx;
sinfo->txrate.nss = nss;
if (rate_flags & eHAL_TX_RATE_VHT80) {
sinfo->txrate.flags |= RATE_INFO_FLAGS_VHT_MCS;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)) || defined(WITH_BACKPORTS)
sinfo->txrate.bw = RATE_INFO_BW_80;
#else
sinfo->txrate.flags |=
RATE_INFO_FLAGS_80_MHZ_WIDTH;
#endif
} else if (rate_flags & eHAL_TX_RATE_VHT40) {
sinfo->txrate.flags |= RATE_INFO_FLAGS_VHT_MCS;
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)) || defined(WITH_BACKPORTS)
sinfo->txrate.bw = RATE_INFO_BW_40;
#else
sinfo->txrate.flags |=
RATE_INFO_FLAGS_40_MHZ_WIDTH;
#endif
} else if (rate_flags & eHAL_TX_RATE_VHT20) {
sinfo->txrate.flags |= RATE_INFO_FLAGS_VHT_MCS;
}
if (rate_flags &
(eHAL_TX_RATE_HT20 | eHAL_TX_RATE_HT40)) {
sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
if (rate_flags & eHAL_TX_RATE_HT40) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)) || defined(WITH_BACKPORTS)
sinfo->txrate.bw = RATE_INFO_BW_40;
#else
sinfo->txrate.flags |=
RATE_INFO_FLAGS_40_MHZ_WIDTH;
#endif
}
}
if (rate_flags & eHAL_TX_RATE_SGI) {
if (!
(sinfo->txrate.
flags & RATE_INFO_FLAGS_VHT_MCS))
sinfo->txrate.flags |=
RATE_INFO_FLAGS_MCS;
sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
}
#ifdef LINKSPEED_DEBUG_ENABLED
pr_info("Reporting MCS rate %d flags %x\n",
sinfo->txrate.mcs, sinfo->txrate.flags);
#endif /* LINKSPEED_DEBUG_ENABLED */
}
} else {
/* report current rate instead of max rate */
if (rate_flags & eHAL_TX_RATE_LEGACY) {
/* provide to the UI in units of 100kbps */
sinfo->txrate.legacy = myRate;
#ifdef LINKSPEED_DEBUG_ENABLED
pr_info("Reporting actual legacy rate %d\n",
sinfo->txrate.legacy);
#endif /* LINKSPEED_DEBUG_ENABLED */
} else {
/* must be MCS */
sinfo->txrate.mcs = mcs_index;
sinfo->txrate.nss = nss;
if (rate_flags & eHAL_TX_RATE_VHT80) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)) || defined(WITH_BACKPORTS)
sinfo->txrate.bw = RATE_INFO_BW_80;
#else
sinfo->txrate.flags |=
RATE_INFO_FLAGS_80_MHZ_WIDTH;
#endif
} else if (rate_flags & eHAL_TX_RATE_VHT40) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)) || defined(WITH_BACKPORTS)
sinfo->txrate.bw = RATE_INFO_BW_40;
#else
sinfo->txrate.flags |=
RATE_INFO_FLAGS_40_MHZ_WIDTH;
#endif
}
if (rate_flags &
(eHAL_TX_RATE_HT20 | eHAL_TX_RATE_HT40)) {
sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
if (rate_flags & eHAL_TX_RATE_HT40) {
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0)) || defined(WITH_BACKPORTS)
sinfo->txrate.bw = RATE_INFO_BW_40;
#else
sinfo->txrate.flags |=
RATE_INFO_FLAGS_40_MHZ_WIDTH;
#endif
}
} else {
sinfo->txrate.flags |= RATE_INFO_FLAGS_VHT_MCS;
}
if (rate_flags & eHAL_TX_RATE_SGI) {
sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
}
#ifdef LINKSPEED_DEBUG_ENABLED
pr_info("Reporting actual MCS rate %d flags %x\n",
sinfo->txrate.mcs, sinfo->txrate.flags);
#endif /* LINKSPEED_DEBUG_ENABLED */
}
}
wlan_hdd_fill_summary_stats(&pAdapter->hdd_stats.summary_stat, sinfo);
sinfo->tx_bytes = pAdapter->stats.tx_bytes;
sinfo->rx_bytes = pAdapter->stats.rx_bytes;
sinfo->rx_packets = pAdapter->stats.rx_packets;
qdf_mem_copy(&pHddStaCtx->conn_info.txrate,
&sinfo->txrate, sizeof(sinfo->txrate));
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 0, 0)) && !defined(WITH_BACKPORTS)
sinfo->filled |= STATION_INFO_TX_BITRATE |
STATION_INFO_TX_BYTES |
STATION_INFO_RX_BYTES |
STATION_INFO_RX_PACKETS;
#else
sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE) |
BIT(NL80211_STA_INFO_TX_BYTES) |
BIT(NL80211_STA_INFO_RX_BYTES) |
BIT(NL80211_STA_INFO_RX_PACKETS);
#endif
if (rate_flags & eHAL_TX_RATE_LEGACY)
hdd_debug("Reporting legacy rate %d pkt cnt tx %d rx %d",
sinfo->txrate.legacy, sinfo->tx_packets,
sinfo->rx_packets);
else
hdd_debug("Reporting MCS rate %d flags 0x%x pkt cnt tx %d rx %d",
sinfo->txrate.mcs, sinfo->txrate.flags,
sinfo->tx_packets, sinfo->rx_packets);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 14, 0))
sinfo->signal_avg = WLAN_HDD_TGT_NOISE_FLOOR_DBM;
for (i = 0; i < NUM_CHAINS_MAX; i++) {
sinfo->chain_signal_avg[i] =
pAdapter->hdd_stats.per_chain_rssi_stats.rssi[i];
sinfo->chains |= 1 << i;
if (sinfo->chain_signal_avg[i] > sinfo->signal_avg &&
sinfo->chain_signal_avg[i] != 0)
sinfo->signal_avg = sinfo->chain_signal_avg[i];
hdd_debug("RSSI for chain %d, vdev_id %d is %d",
i, pAdapter->sessionId, sinfo->chain_signal_avg[i]);
if (!rssi_stats_valid && sinfo->chain_signal_avg[i])
rssi_stats_valid = true;
}
if (rssi_stats_valid) {
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 0, 0)) && !defined(WITH_BACKPORTS)
sinfo->filled |= STATION_INFO_CHAIN_SIGNAL_AVG;
sinfo->filled |= STATION_INFO_SIGNAL_AVG;
#else
sinfo->filled |= BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG);
sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL_AVG);
#endif
}
#endif
MTRACE(qdf_trace(QDF_MODULE_ID_HDD,
TRACE_CODE_HDD_CFG80211_GET_STA,
pAdapter->sessionId, maxRate));
EXIT();
return 0;
}
/**
* wlan_hdd_cfg80211_get_station() - get station statistics
* @wiphy: Pointer to wiphy
* @dev: Pointer to network device
* @mac: Pointer to mac
* @sinfo: Pointer to station info
*
* Return: 0 for success, non-zero for failure
*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3, 16, 0))
int wlan_hdd_cfg80211_get_station(struct wiphy *wiphy,
struct net_device *dev, const uint8_t *mac,
struct station_info *sinfo)
#else
int wlan_hdd_cfg80211_get_station(struct wiphy *wiphy,
struct net_device *dev, uint8_t *mac,
struct station_info *sinfo)
#endif
{
int ret;
cds_ssr_protect(__func__);
ret = __wlan_hdd_cfg80211_get_station(wiphy, dev, mac, sinfo);
cds_ssr_unprotect(__func__);
return ret;
}
/**
* __wlan_hdd_cfg80211_dump_station() - dump station statistics
* @wiphy: Pointer to wiphy
* @dev: Pointer to network device
* @idx: variable to determine whether to get stats or not
* @mac: Pointer to mac
* @sinfo: Pointer to station info
*
* Return: 0 for success, non-zero for failure
*/
static int __wlan_hdd_cfg80211_dump_station(struct wiphy *wiphy,
struct net_device *dev,
int idx, u8 *mac,
struct station_info *sinfo)
{
hdd_context_t *hdd_ctx = (hdd_context_t *) wiphy_priv(wiphy);
hdd_debug("%s: idx %d", __func__, idx);
if (idx != 0)
return -ENOENT;
if (hdd_ctx->num_provisioned_addr)
qdf_mem_copy(mac, hdd_ctx->provisioned_mac_addr[0].bytes,
QDF_MAC_ADDR_SIZE);
else
qdf_mem_copy(mac, hdd_ctx->derived_mac_addr[0].bytes,
QDF_MAC_ADDR_SIZE);
return __wlan_hdd_cfg80211_get_station(wiphy, dev, mac, sinfo);
}
/**
* wlan_hdd_cfg80211_dump_station() - dump station statistics
* @wiphy: Pointer to wiphy
* @dev: Pointer to network device
* @idx: variable to determine whether to get stats or not
* @mac: Pointer to mac
* @sinfo: Pointer to station info
*
* Return: 0 for success, non-zero for failure
*/
int wlan_hdd_cfg80211_dump_station(struct wiphy *wiphy,
struct net_device *dev,
int idx, u8 *mac,
struct station_info *sinfo)
{
int ret;
cds_ssr_protect(__func__);
ret = __wlan_hdd_cfg80211_dump_station(wiphy, dev, idx, mac, sinfo);
cds_ssr_unprotect(__func__);
return ret;
}
/**
* hdd_get_stats() - Function to retrieve interface statistics
* @dev: pointer to network device
*
* This function is the ndo_get_stats method for all netdevs
* registered with the kernel
*
* Return: pointer to net_device_stats structure
*/
struct net_device_stats *hdd_get_stats(struct net_device *dev)
{
hdd_adapter_t *adapter = WLAN_HDD_GET_PRIV_PTR(dev);
ENTER_DEV(dev);
return &adapter->stats;
}
/**
* __wlan_hdd_cfg80211_dump_survey() - get survey related info
* @wiphy: Pointer to wiphy
* @dev: Pointer to network device
* @idx: Index
* @survey: Pointer to survey info
*
* Return: 0 for success, non-zero for failure
*/
static int __wlan_hdd_cfg80211_dump_survey(struct wiphy *wiphy,
struct net_device *dev,
int idx, struct survey_info *survey)
{
hdd_adapter_t *pAdapter = WLAN_HDD_GET_PRIV_PTR(dev);
hdd_context_t *pHddCtx;
hdd_station_ctx_t *pHddStaCtx;
tHalHandle halHandle;
uint32_t channel = 0, freq = 0, opfreq; /* Initialization Required */
int status, i, j = 0;
bool filled = false;
ENTER_DEV(dev);
hdd_debug("dump survey index: %d", idx);
if (idx > QDF_MAX_NUM_CHAN - 1)
return -EINVAL;
pHddCtx = WLAN_HDD_GET_CTX(pAdapter);
status = wlan_hdd_validate_context(pHddCtx);
if (0 != status)
return status;
if (0 == pHddCtx->config->fEnableSNRMonitoring) {
hdd_debug("gEnableSNRMonitoring is 0");
return -ENONET;
}
if (NULL == pHddCtx->chan_info) {
hdd_err("chan_info is NULL");
return -EINVAL;
}
if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) {
hdd_err("Command not allowed in FTM mode");
return -EINVAL;
}
pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter);
if (pHddStaCtx->hdd_ReassocScenario) {
hdd_debug("Roaming in progress, hence return");
return -ENONET;
}
halHandle = WLAN_HDD_GET_HAL_CTX(pAdapter);
sme_get_operation_channel(halHandle, &channel, pAdapter->sessionId);
hdd_wlan_get_freq(channel, &opfreq);
mutex_lock(&pHddCtx->chan_info_lock);
freq = pHddCtx->chan_info[idx].freq;
for (i = 0; i < HDD_NUM_NL80211_BANDS && !filled; i++) {
struct ieee80211_supported_band *band = wiphy->bands[i];
if (NULL == wiphy->bands[i])
continue;
for (j = 0; j < wiphy->bands[i]->n_channels && !filled; j++) {
if (band->channels[j].center_freq != (uint16_t)freq)
continue;
survey->channel = &band->channels[j];
survey->noise =
pHddCtx->chan_info[idx].noise_floor;
survey->filled = SURVEY_INFO_NOISE_DBM;
if (opfreq == freq)
survey->filled |= SURVEY_INFO_IN_USE;
filled = true;
if (pHddCtx->chan_info[idx].clock_freq == 0)
continue;
/*
* time = cycle_count * cycle
* cycle = 1 / clock_freq
* Since the unit of clock_freq reported from
* FW is MHZ, and we want to calculate time in
* ms level, the result is
* time = cycle / (clock_freq * 1000)
*/
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0))
survey->time =
pHddCtx->chan_info[idx].delta_cycle_count /
(pHddCtx->chan_info[idx].clock_freq * 1000);
survey->time_busy =
pHddCtx->chan_info[idx].delta_rx_clear_count /
(pHddCtx->chan_info[idx].clock_freq * 1000);
survey->time_tx =
pHddCtx->chan_info[idx].delta_tx_frame_count /
(pHddCtx->chan_info[idx].clock_freq * 1000);
survey->filled |= SURVEY_INFO_TIME |
SURVEY_INFO_TIME_BUSY |
SURVEY_INFO_TIME_TX;
#else
survey->channel_time =
pHddCtx->chan_info[idx].delta_cycle_count /
(pHddCtx->chan_info[idx].clock_freq * 1000);
survey->channel_time_busy =
pHddCtx->chan_info[idx].delta_rx_clear_count /
(pHddCtx->chan_info[idx].clock_freq * 1000);
survey->channel_time_tx =
pHddCtx->chan_info[idx].delta_tx_frame_count /
(pHddCtx->chan_info[idx].clock_freq * 1000);
survey->filled |= SURVEY_INFO_CHANNEL_TIME |
SURVEY_INFO_CHANNEL_TIME_BUSY |
SURVEY_INFO_CHANNEL_TIME_TX;
#endif
}
}
mutex_unlock(&pHddCtx->chan_info_lock);
if (!filled)
return -ENONET;
EXIT();
return 0;
}
/**
* wlan_hdd_cfg80211_dump_survey() - get survey related info
* @wiphy: Pointer to wiphy
* @dev: Pointer to network device
* @idx: Index
* @survey: Pointer to survey info
*
* Return: 0 for success, non-zero for failure
*/
int wlan_hdd_cfg80211_dump_survey(struct wiphy *wiphy,
struct net_device *dev,
int idx, struct survey_info *survey)
{
int ret;
cds_ssr_protect(__func__);
ret = __wlan_hdd_cfg80211_dump_survey(wiphy, dev, idx, survey);
cds_ssr_unprotect(__func__);
return ret;
}
/**
* hdd_init_ll_stats_ctx() - initialize link layer stats context
*
* Return: none
*/
inline void hdd_init_ll_stats_ctx(void)
{
spin_lock_init(&ll_stats_context.context_lock);
init_completion(&ll_stats_context.response_event);
ll_stats_context.request_bitmap = 0;
}
/**
* hdd_display_hif_stats() - display hif stats
*
* Return: none
*
*/
void hdd_display_hif_stats(void)
{
void *hif_ctx = cds_get_context(QDF_MODULE_ID_HIF);
if (!hif_ctx)
return;
hif_display_stats(hif_ctx);
}
/**
* hdd_clear_hif_stats() - clear hif stats
*
* Return: none
*/
void hdd_clear_hif_stats(void)
{
void *hif_ctx = cds_get_context(QDF_MODULE_ID_HIF);
if (!hif_ctx)
return;
hif_clear_stats(hif_ctx);
}
/**
* hdd_is_rcpi_applicable() - validates RCPI request
* @adapter: adapter upon which the measurement is requested
* @mac_addr: peer addr for which measurement is requested
* @rcpi_value: pointer to where the RCPI should be returned
* @reassoc: used to return cached RCPI during reassoc
*
* Return: true for success, false for failure
*/
static bool hdd_is_rcpi_applicable(hdd_adapter_t *adapter,
struct qdf_mac_addr *mac_addr,
int32_t *rcpi_value,
bool *reassoc)
{
hdd_station_ctx_t *hdd_sta_ctx;
if (adapter->device_mode == QDF_STA_MODE ||
adapter->device_mode == QDF_P2P_CLIENT_MODE) {
hdd_sta_ctx = WLAN_HDD_GET_STATION_CTX_PTR(adapter);
if (hdd_sta_ctx->conn_info.connState !=
eConnectionState_Associated)
return false;
if (hdd_sta_ctx->hdd_ReassocScenario) {
/* return the cached rcpi, if mac addr matches */
hdd_debug("Roaming in progress, return cached RCPI");
if (!qdf_mem_cmp(&adapter->rcpi.mac_addr,
mac_addr, sizeof(*mac_addr))) {
*rcpi_value = adapter->rcpi.rcpi;
*reassoc = true;
return true;
}
return false;
}
if (qdf_mem_cmp(mac_addr, &hdd_sta_ctx->conn_info.bssId,
sizeof(*mac_addr))) {
hdd_err("mac addr is different from bssid connected");
return false;
}
} else if (adapter->device_mode == QDF_SAP_MODE ||
adapter->device_mode == QDF_P2P_GO_MODE) {
if (!test_bit(SOFTAP_BSS_STARTED, &adapter->event_flags)) {
hdd_err("Invalid rcpi request, softap not started");
return false;
}
/* check if peer mac addr is associated to softap */
if (!hdd_is_peer_associated(adapter, mac_addr)) {
hdd_err("invalid peer mac-addr: not associated");
return false;
}
} else {
hdd_err("Invalid rcpi request");
return false;
}
*reassoc = false;
return true;
}
/**
* wlan_hdd_get_rcpi_cb() - callback function for rcpi response
* @context: Pointer to rcpi context
* @rcpi_req: Pointer to rcpi response
*
* Return: None
*/
static void wlan_hdd_get_rcpi_cb(void *context, struct qdf_mac_addr mac_addr,
int32_t rcpi, QDF_STATUS status)
{
hdd_adapter_t *adapter;
struct statsContext *rcpi_context;
if (!context) {
hdd_err("No rcpi context");
return;
}
rcpi_context = context;
adapter = rcpi_context->pAdapter;
if (adapter->magic != WLAN_HDD_ADAPTER_MAGIC) {
hdd_err("Invalid adapter magic");
return;
}
/*
* there is a race condition that exists between this callback
* function and the caller since the caller could time out
* either before or while this code is executing. we use a
* spinlock to serialize these actions
*/
spin_lock(&hdd_context_lock);
if (rcpi_context->magic != RCPI_CONTEXT_MAGIC) {
/*
* the caller presumably timed out so there is nothing
* we can do
*/
spin_unlock(&hdd_context_lock);
hdd_warn("Invalid RCPI context magic");
return;
}
rcpi_context->magic = 0;
adapter->rcpi.mac_addr = mac_addr;
if (status != QDF_STATUS_SUCCESS)
/* peer rcpi is not available for requested mac addr */
adapter->rcpi.rcpi = 0;
else
adapter->rcpi.rcpi = rcpi;
/* notify the caller */
complete(&rcpi_context->completion);
/* serialization is complete */
spin_unlock(&hdd_context_lock);
}
/**
* __wlan_hdd_get_rcpi() - local function to get RCPI
* @adapter: adapter upon which the measurement is requested
* @mac: peer addr for which measurement is requested
* @rcpi_value: pointer to where the RCPI should be returned
* @measurement_type: type of rcpi measurement
*
* Return: 0 for success, non-zero for failure
*/
static int __wlan_hdd_get_rcpi(hdd_adapter_t *adapter,
uint8_t *mac,
int32_t *rcpi_value,
enum rcpi_measurement_type measurement_type)
{
hdd_context_t *hdd_ctx;
static struct statsContext rcpi_context;
int status = 0;
unsigned long rc;
struct qdf_mac_addr mac_addr;
QDF_STATUS qdf_status = QDF_STATUS_SUCCESS;
struct sme_rcpi_req *rcpi_req;
bool reassoc;
ENTER();
/* initialize the rcpi value to zero, useful in error cases */
*rcpi_value = 0;
if (hdd_get_conparam() == QDF_GLOBAL_FTM_MODE) {
hdd_err("Command not allowed in FTM mode");
return -EINVAL;
}
if (!adapter) {
hdd_err("adapter context is NULL");
return -EINVAL;
}
hdd_ctx = WLAN_HDD_GET_CTX(adapter);
status = wlan_hdd_validate_context(hdd_ctx);
if (status)
return -EINVAL;
if (!hdd_ctx->rcpi_enabled) {
hdd_warn("RCPI not supported");
return -EINVAL;
}
if (!mac) {
hdd_err("RCPI peer mac-addr is NULL");
return -EINVAL;
}
qdf_mem_copy(&mac_addr, mac, QDF_MAC_ADDR_SIZE);
if (!hdd_is_rcpi_applicable(adapter, &mac_addr, rcpi_value, &reassoc))
return -EINVAL;
if (reassoc)
return 0;
rcpi_req = qdf_mem_malloc(sizeof(*rcpi_req));
if (!rcpi_req) {
hdd_err("unable to allocate memory for RCPI req");
return -EINVAL;
}
init_completion(&rcpi_context.completion);
rcpi_context.pAdapter = adapter;
rcpi_context.magic = RCPI_CONTEXT_MAGIC;
rcpi_req->mac_addr = mac_addr;
rcpi_req->session_id = adapter->sessionId;
rcpi_req->measurement_type = measurement_type;
rcpi_req->rcpi_callback = wlan_hdd_get_rcpi_cb;
rcpi_req->rcpi_context = &rcpi_context;
qdf_status = sme_get_rcpi(hdd_ctx->hHal, rcpi_req);
if (qdf_status != QDF_STATUS_SUCCESS) {
hdd_err("Unable to retrieve RCPI");
status = qdf_status_to_os_return(qdf_status);
} else {
/* request was sent -- wait for the response */
rc = wait_for_completion_timeout(&rcpi_context.completion,
msecs_to_jiffies(WLAN_WAIT_TIME_RCPI));
if (!rc) {
hdd_err("SME timed out while retrieving RCPI");
status = -EINVAL;
}
}
qdf_mem_free(rcpi_req);
spin_lock(&hdd_context_lock);
rcpi_context.magic = 0;
spin_unlock(&hdd_context_lock);
if (status) {
hdd_err("rcpi computation is failed");
} else {
if (qdf_mem_cmp(&mac_addr, &adapter->rcpi.mac_addr,
sizeof(mac_addr))) {
hdd_err("mac addr is not matching from call-back");
status = -EINVAL;
} else {
*rcpi_value = adapter->rcpi.rcpi;
hdd_debug("RCPI = %d", *rcpi_value);
}
}
EXIT();
return status;
}
int wlan_hdd_get_rcpi(hdd_adapter_t *adapter, uint8_t *mac,
int32_t *rcpi_value,
enum rcpi_measurement_type measurement_type)
{
int ret;
cds_ssr_protect(__func__);
ret = __wlan_hdd_get_rcpi(adapter, mac, rcpi_value, measurement_type);
cds_ssr_unprotect(__func__);
return ret;
}