| /* |
| * Copyright (c) 2012-2016 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" |
| |
| #ifdef WLAN_FEATURE_LINK_LAYER_STATS |
| |
| /** |
| * struct hdd_ll_stats_context - hdd link layer stats context |
| * |
| * @request_id: userspace-assigned link layer stats request id |
| * @request_bitmap: userspace-assigned link layer stats request bitmap |
| * @response_event: LL stats request wait event |
| */ |
| struct hdd_ll_stats_context { |
| uint32_t request_id; |
| uint32_t request_bitmap; |
| struct completion response_event; |
| spinlock_t context_lock; |
| }; |
| |
| static struct hdd_ll_stats_context ll_stats_context; |
| |
| #endif /* End of WLAN_FEATURE_LINK_LAYER_STATS */ |
| |
| /* 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 { |
| uint8_t beacon_rate_index; |
| uint16_t supported_rate[4]; |
| } 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 |
| |
| /** |
| * 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, |
| 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) || |
| nla_put_u64(vendor_event, |
| QCA_WLAN_VENDOR_ATTR_LL_STATS_IFACE_AVERAGE_TSF_OFFSET, |
| average_tsf_offset)) { |
| 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; |
| } |
| } |
| |
| /** |
| * hdd_get_interface_info() - get interface info |
| * @pAdapter: Pointer to device adapter |
| * @pInfo: Pointer to interface info |
| * |
| * Return: bool |
| */ |
| static 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_err("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_notice("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(); |
| return; |
| } |
| |
| /** |
| * 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_notice("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(); |
| return; |
| } |
| |
| /** |
| * 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; |
| tpSirWifiRadioStat pWifiRadioStat; |
| tpSirWifiChannelStats pWifiChannelStats; |
| struct sk_buff *vendor_event; |
| hdd_context_t *pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
| |
| ENTER(); |
| |
| pWifiRadioStat = pData; |
| status = wlan_hdd_validate_context(pHddCtx); |
| if (0 != status) |
| return; |
| |
| hdd_notice("LL_STATS_RADIO" |
| " number of radios = %u" |
| " radio is %d onTime is %u" |
| " txTime is %u rxTime is %u" |
| " onTimeScan is %u onTimeNbd is %u" |
| " onTimeGscan is %u onTimeRoamScan is %u" |
| " onTimePnoScan is %u onTimeHs20 is %u" |
| " numChannels is %u", |
| num_radio, |
| pWifiRadioStat->radio, |
| pWifiRadioStat->onTime, |
| pWifiRadioStat->txTime, |
| pWifiRadioStat->rxTime, |
| pWifiRadioStat->onTimeScan, |
| pWifiRadioStat->onTimeNbd, |
| pWifiRadioStat->onTimeGscan, |
| pWifiRadioStat->onTimeRoamScan, |
| pWifiRadioStat->onTimePnoScan, |
| pWifiRadioStat->onTimeHs20, pWifiRadioStat->numChannels); |
| |
| /* |
| * 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(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_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, |
| pWifiRadioStat->radio) || |
| nla_put_u32(vendor_event, |
| QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_ON_TIME, |
| pWifiRadioStat->onTime) || |
| nla_put_u32(vendor_event, |
| QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_TX_TIME, |
| pWifiRadioStat->txTime) || |
| nla_put_u32(vendor_event, |
| QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_RX_TIME, |
| pWifiRadioStat->rxTime) || |
| nla_put_u32(vendor_event, |
| QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_ON_TIME_SCAN, |
| pWifiRadioStat->onTimeScan) || |
| nla_put_u32(vendor_event, |
| QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_ON_TIME_NBD, |
| pWifiRadioStat->onTimeNbd) || |
| nla_put_u32(vendor_event, |
| QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_ON_TIME_GSCAN, |
| pWifiRadioStat->onTimeGscan) || |
| nla_put_u32(vendor_event, |
| QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_ON_TIME_ROAM_SCAN, |
| pWifiRadioStat->onTimeRoamScan) || |
| nla_put_u32(vendor_event, |
| QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_ON_TIME_PNO_SCAN, |
| pWifiRadioStat->onTimePnoScan) || |
| nla_put_u32(vendor_event, |
| QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_ON_TIME_HS20, |
| pWifiRadioStat->onTimeHs20) || |
| nla_put_u32(vendor_event, |
| QCA_WLAN_VENDOR_ATTR_LL_STATS_RADIO_NUM_CHANNELS, |
| pWifiRadioStat->numChannels)) { |
| hdd_err("QCA_WLAN_VENDOR_ATTR put fail"); |
| |
| kfree_skb(vendor_event); |
| return; |
| } |
| |
| if (pWifiRadioStat->numChannels) { |
| struct nlattr *chList; |
| struct nlattr *chInfo; |
| |
| chList = nla_nest_start(vendor_event, |
| QCA_WLAN_VENDOR_ATTR_LL_STATS_CH_INFO); |
| if (chList == NULL) { |
| hdd_err("nla_nest_start failed"); |
| kfree_skb(vendor_event); |
| return; |
| } |
| |
| for (i = 0; i < pWifiRadioStat->numChannels; i++) { |
| pWifiChannelStats = (tpSirWifiChannelStats) ((uint8_t *) |
| pWifiRadioStat-> |
| channels + |
| (i * |
| sizeof |
| (tSirWifiChannelStats))); |
| |
| chInfo = nla_nest_start(vendor_event, i); |
| if (chInfo == NULL) { |
| hdd_err("nla_nest_start failed"); |
| kfree_skb(vendor_event); |
| return; |
| } |
| |
| if (nla_put_u32(vendor_event, |
| QCA_WLAN_VENDOR_ATTR_LL_STATS_CHANNEL_INFO_WIDTH, |
| pWifiChannelStats->channel.width) || |
| nla_put_u32(vendor_event, |
| QCA_WLAN_VENDOR_ATTR_LL_STATS_CHANNEL_INFO_CENTER_FREQ, |
| pWifiChannelStats->channel.centerFreq) || |
| nla_put_u32(vendor_event, |
| QCA_WLAN_VENDOR_ATTR_LL_STATS_CHANNEL_INFO_CENTER_FREQ0, |
| pWifiChannelStats->channel. |
| centerFreq0) || |
| nla_put_u32(vendor_event, |
| QCA_WLAN_VENDOR_ATTR_LL_STATS_CHANNEL_INFO_CENTER_FREQ1, |
| pWifiChannelStats->channel. |
| centerFreq1) || |
| nla_put_u32(vendor_event, |
| QCA_WLAN_VENDOR_ATTR_LL_STATS_CHANNEL_ON_TIME, |
| pWifiChannelStats->onTime) || |
| nla_put_u32(vendor_event, |
| QCA_WLAN_VENDOR_ATTR_LL_STATS_CHANNEL_CCA_BUSY_TIME, |
| pWifiChannelStats->ccaBusyTime)) { |
| hdd_err("nla_put failed"); |
| kfree_skb(vendor_event); |
| return; |
| } |
| nla_nest_end(vendor_event, chInfo); |
| } |
| nla_nest_end(vendor_event, chList); |
| } |
| cfg80211_vendor_cmd_reply(vendor_event); |
| EXIT(); |
| return; |
| } |
| |
| /** |
| * 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 |
| */ |
| static 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_notice("Link Layer Indication indType: %d", indType); |
| |
| switch (indType) { |
| case SIR_HAL_LL_STATS_RESULTS_RSP: |
| { |
| hdd_notice("LL_STATS RESP paramID = 0x%x, ifaceId = %u, respId= %u , moreResultToFollow = %u, num radio = %u result = %p", |
| 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_link_layer_process_radio_stats(pAdapter, |
| linkLayerStatsResults->moreResultToFollow, |
| (tpSirWifiRadioStat)linkLayerStatsResults->results, |
| linkLayerStatsResults->num_radio); |
| |
| 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_link_layer_process_iface_stats(pAdapter, |
| (tpSirWifiIfaceStat)linkLayerStatsResults->results, |
| linkLayerStatsResults->num_peers); |
| |
| 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_link_layer_process_peer_stats(pAdapter, |
| linkLayerStatsResults->moreResultToFollow, |
| (tpSirWifiPeerStat)linkLayerStatsResults->results); |
| |
| 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_err("invalid event type %d", indType); |
| break; |
| } |
| |
| return; |
| } |
| |
| /** |
| * hdd_cfg80211_link_layer_stats_init() - Initialize link layer stats |
| * @pHddCtx: Pointer to hdd context |
| * |
| * Return: None |
| */ |
| void hdd_cfg80211_link_layer_stats_init(hdd_context_t *pHddCtx) |
| { |
| sme_set_link_layer_stats_ind_cb(pHddCtx->hHal, |
| wlan_hdd_cfg80211_link_layer_stats_callback); |
| } |
| |
| 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_err("Command not allowed in FTM mode"); |
| return -EPERM; |
| } |
| |
| status = wlan_hdd_validate_context(pHddCtx); |
| if (0 != status) |
| return -EINVAL; |
| |
| if (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_notice("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} |
| }; |
| |
| /** |
| * __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) |
| { |
| unsigned long rc; |
| struct hdd_ll_stats_context *context; |
| 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); |
| int status; |
| |
| ENTER_DEV(dev); |
| |
| if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) { |
| hdd_err("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 (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; |
| |
| hdd_notice("LL_STATS_GET reqId = %d, staId = %d, paramIdMask = %d", |
| LinkLayerStatsGetReq.reqId, |
| LinkLayerStatsGetReq.staId, |
| LinkLayerStatsGetReq.paramIdMask); |
| |
| context = &ll_stats_context; |
| spin_lock(&context->context_lock); |
| context->request_id = LinkLayerStatsGetReq.reqId; |
| context->request_bitmap = LinkLayerStatsGetReq.paramIdMask; |
| INIT_COMPLETION(context->response_event); |
| spin_unlock(&context->context_lock); |
| |
| if (QDF_STATUS_SUCCESS != sme_ll_stats_get_req(pHddCtx->hHal, |
| &LinkLayerStatsGetReq)) { |
| 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; |
| } |
| 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_err("Command not allowed in FTM mode"); |
| return -EPERM; |
| } |
| |
| status = wlan_hdd_validate_context(pHddCtx); |
| if (0 != status) |
| return -EINVAL; |
| |
| if (!pAdapter->isLinkLayerStatsSet) { |
| hdd_alert("isLinkLayerStatsSet : %d", |
| pAdapter->isLinkLayerStatsSet); |
| return -EINVAL; |
| } |
| |
| if (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_notice("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; |
| } |
| |
| #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_err("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 |
| */ |
| static 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); |
| |
| } |
| |
| /** |
| * wlan_hdd_cfg80211_stats_ext_init() - ext stats init |
| * @ctx: Pointer to HDD context |
| * |
| * Return: nothing |
| */ |
| void wlan_hdd_cfg80211_stats_ext_init(hdd_context_t *pHddCtx) |
| { |
| sme_stats_ext_register_callback(pHddCtx->hHal, |
| wlan_hdd_cfg80211_stats_ext_callback); |
| } |
| #endif /* End of WLAN_FEATURE_STATS_EXT */ |
| |
| /** |
| * __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; |
| |
| 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; |
| 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; |
| |
| uint32_t vht_mcs_map; |
| enum eDataRate11ACMaxMcs vhtMaxMcs; |
| |
| ENTER_DEV(dev); |
| |
| if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) { |
| hdd_err("Command not allowed in FTM mode"); |
| return -EINVAL; |
| } |
| |
| if ((eConnectionState_Associated != pHddStaCtx->conn_info.connState) || |
| (0 == ssidlen)) { |
| hdd_notice("Not associated or Invalid ssidlen, %d", |
| ssidlen); |
| /*To keep GUI happy */ |
| return 0; |
| } |
| |
| if (true == pHddStaCtx->hdd_ReassocScenario) { |
| hdd_notice("Roaming is in progress, cannot continue with this request"); |
| return 0; |
| } |
| |
| status = wlan_hdd_validate_context(pHddCtx); |
| |
| if (0 != status) |
| return status; |
| |
| wlan_hdd_get_rssi(pAdapter, &sinfo->signal); |
| #if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 0, 0)) && !defined(WITH_BACKPORTS) |
| sinfo->filled |= STATION_INFO_SIGNAL; |
| #else |
| sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); |
| #endif |
| |
| #ifdef WLAN_FEATURE_LPSS |
| if (!pAdapter->rssi_send) { |
| pAdapter->rssi_send = true; |
| if (cds_is_driver_unloading()) |
| wlan_hdd_send_status_pkg(pAdapter, pHddStaCtx, 1, 1); |
| } |
| #endif |
| |
| wlan_hdd_get_station_stats(pAdapter); |
| rate_flags = pAdapter->hdd_stats.ClassA_stat.tx_rate_flags; |
| |
| /* 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.rx_frag_cnt; |
| |
| if (eHDD_LINK_SPEED_REPORT_ACTUAL == pCfg->reportMaxLinkSpeed) { |
| /* Get current rate flags if report actual */ |
| rate_flags = |
| pAdapter->hdd_stats.ClassA_stat. |
| promiscuous_rx_frag_cnt; |
| } |
| |
| if (pAdapter->hdd_stats.ClassA_stat.mcs_index == |
| INVALID_MCS_IDX) { |
| rate_flags = eHAL_TX_RATE_LEGACY; |
| pAdapter->hdd_stats.ClassA_stat.mcs_index = 0; |
| } |
| } |
| |
| hdd_info("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)pAdapter->hdd_stats.ClassA_stat.mcs_index); |
| |
| 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 eDataRate11ACMaxMcs) |
| (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) { |
| /* VHT20 is supporting 0~8 */ |
| if (rate_flags & eHAL_TX_RATE_VHT20) |
| 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[pAdapter-> |
| hdd_stats.ClassA_stat.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[pAdapter-> |
| hdd_stats.ClassA_stat.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[pAdapter-> |
| hdd_stats.ClassA_stat.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; |
| } |
| } |
| } |
| |
| else if (!(rate_flags & eHAL_TX_RATE_LEGACY)) { |
| maxRate = myRate; |
| maxSpeedMCS = 1; |
| maxMCSIdx = pAdapter->hdd_stats.ClassA_stat.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 = |
| pAdapter->hdd_stats.ClassA_stat.mcs_index; |
| } |
| } |
| |
| 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; |
| } else |
| 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 = |
| pAdapter->hdd_stats.ClassA_stat.mcs_index; |
| sinfo->txrate.nss = nss; |
| sinfo->txrate.flags |= RATE_INFO_FLAGS_VHT_MCS; |
| 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 |
| } |
| } |
| 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 */ |
| } |
| } |
| |
| sinfo->tx_bytes = pAdapter->stats.tx_bytes; |
| |
| sinfo->tx_packets = |
| pAdapter->hdd_stats.summary_stat.tx_frm_cnt[0] + |
| pAdapter->hdd_stats.summary_stat.tx_frm_cnt[1] + |
| pAdapter->hdd_stats.summary_stat.tx_frm_cnt[2] + |
| pAdapter->hdd_stats.summary_stat.tx_frm_cnt[3]; |
| |
| sinfo->tx_retries = |
| pAdapter->hdd_stats.summary_stat.retry_cnt[0] + |
| pAdapter->hdd_stats.summary_stat.retry_cnt[1] + |
| pAdapter->hdd_stats.summary_stat.retry_cnt[2] + |
| pAdapter->hdd_stats.summary_stat.retry_cnt[3]; |
| |
| sinfo->tx_failed = |
| pAdapter->hdd_stats.summary_stat.fail_cnt[0] + |
| pAdapter->hdd_stats.summary_stat.fail_cnt[1] + |
| pAdapter->hdd_stats.summary_stat.fail_cnt[2] + |
| pAdapter->hdd_stats.summary_stat.fail_cnt[3]; |
| |
| sinfo->rx_bytes = pAdapter->stats.rx_bytes; |
| sinfo->rx_packets = pAdapter->stats.rx_packets; |
| |
| #if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 0, 0)) && !defined(WITH_BACKPORTS) |
| sinfo->filled |= STATION_INFO_TX_BITRATE | |
| STATION_INFO_TX_BYTES | |
| STATION_INFO_TX_PACKETS | |
| STATION_INFO_TX_RETRIES | |
| STATION_INFO_TX_FAILED | |
| STATION_INFO_RX_BYTES | |
| STATION_INFO_RX_PACKETS; |
| #else |
| sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES) | |
| 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_PACKETS); |
| #endif |
| |
| if (rate_flags & eHAL_TX_RATE_LEGACY) |
| hdd_notice("Reporting legacy rate %d pkt cnt tx %d rx %d", |
| sinfo->txrate.legacy, sinfo->tx_packets, |
| sinfo->rx_packets); |
| else |
| hdd_notice("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); |
| |
| 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; |
| } |
| |
| /** |
| * 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; /* Initialization Required */ |
| int8_t snr, rssi; |
| int status, i, j, filled = 0; |
| |
| ENTER_DEV(dev); |
| |
| if (QDF_GLOBAL_FTM_MODE == hdd_get_conparam()) { |
| hdd_err("Command not allowed in FTM mode"); |
| return -EINVAL; |
| } |
| |
| pHddCtx = WLAN_HDD_GET_CTX(pAdapter); |
| status = wlan_hdd_validate_context(pHddCtx); |
| |
| if (0 != status) |
| return status; |
| |
| pHddStaCtx = WLAN_HDD_GET_STATION_CTX_PTR(pAdapter); |
| |
| if (0 == pHddCtx->config->fEnableSNRMonitoring || |
| 0 != pAdapter->survey_idx || |
| eConnectionState_Associated != pHddStaCtx->conn_info.connState) { |
| /* The survey dump ops when implemented completely is expected |
| * to return a survey of all channels and the ops is called by |
| * the kernel with incremental values of the argument 'idx' |
| * till it returns -ENONET. But we can only support the survey |
| * for the operating channel for now. survey_idx is used to |
| * track that the ops is called only once and then return |
| * -ENONET for the next iteration |
| */ |
| pAdapter->survey_idx = 0; |
| return -ENONET; |
| } |
| |
| if (!pHddStaCtx->hdd_ReassocScenario) { |
| hdd_err("Roaming in progress, hence return"); |
| return -ENONET; |
| } |
| |
| halHandle = WLAN_HDD_GET_HAL_CTX(pAdapter); |
| |
| wlan_hdd_get_snr(pAdapter, &snr); |
| wlan_hdd_get_rssi(pAdapter, &rssi); |
| |
| MTRACE(qdf_trace(QDF_MODULE_ID_HDD, |
| TRACE_CODE_HDD_CFG80211_DUMP_SURVEY, |
| pAdapter->sessionId, pAdapter->device_mode)); |
| |
| sme_get_operation_channel(halHandle, &channel, pAdapter->sessionId); |
| hdd_wlan_get_freq(channel, &freq); |
| |
| for (i = 0; i < IEEE80211_NUM_BANDS; i++) { |
| if (NULL == wiphy->bands[i]) |
| continue; |
| |
| for (j = 0; j < wiphy->bands[i]->n_channels; j++) { |
| struct ieee80211_supported_band *band = wiphy->bands[i]; |
| |
| if (band->channels[j].center_freq == (uint16_t) freq) { |
| survey->channel = &band->channels[j]; |
| /* The Rx BDs contain SNR values in dB for the |
| * received frames while the supplicant expects |
| * noise. So we calculate and return the value |
| * of noise (dBm) |
| * SNR (dB) = RSSI (dBm) - NOISE (dBm) |
| */ |
| survey->noise = rssi - snr; |
| survey->filled = SURVEY_INFO_NOISE_DBM; |
| filled = 1; |
| } |
| } |
| } |
| |
| if (filled) |
| pAdapter->survey_idx = 1; |
| else { |
| pAdapter->survey_idx = 0; |
| 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; |
| |
| return; |
| } |