Gitiles
Code Review Sign In
gerrit-public.fairphone.software / platform / vendor / qcom-opensource / wlan / qcacld-3.0 / 7090c5fd8d2bc46a463549bf26505e67a32d1d0e / . / core / wma / src / wma_scan_roam.c
blob: 708202473f97b6239a96e98cb7a8b6f3f5dff0dc [file] [log] [blame]
/*
* Copyright (c) 2013-2015 The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/*
* This file was originally distributed by Qualcomm Atheros, Inc.
* under proprietary terms before Copyright ownership was assigned
* to the Linux Foundation.
*/
/**
* DOC: wma_scan_roam.c
* This file contains functions related to scan and
* roaming functionality.
*/
/* Header files */
#include "wma.h"
#include "wma_api.h"
#include "cds_api.h"
#include "wmi_unified_api.h"
#include "wlan_qct_sys.h"
#include "wni_api.h"
#include "ani_global.h"
#include "wmi_unified.h"
#include "wni_cfg.h"
#include "cfg_api.h"
#include "ol_txrx_ctrl_api.h"
#include "wlan_tgt_def_config.h"
#include "cdf_nbuf.h"
#include "cdf_types.h"
#include "ol_txrx_api.h"
#include "cdf_memory.h"
#include "ol_txrx_types.h"
#include "ol_txrx_peer_find.h"
#include "wma_types.h"
#include "lim_api.h"
#include "lim_session_utils.h"
#include "cds_utils.h"
#if !defined(REMOVE_PKT_LOG)
#include "pktlog_ac.h"
#endif /* REMOVE_PKT_LOG */
#include "dbglog_host.h"
/* FIXME: Inclusion of .c looks odd but this is how it is in internal codebase */
#include "csr_api.h"
#include "ol_fw.h"
#include "dfs.h"
#include "wma_internal.h"
#define WMA_MCC_MIRACAST_REST_TIME 400
#define WMA_SCAN_ID_MASK 0x0fff
#ifdef FEATURE_WLAN_EXTSCAN
/**
* enum extscan_report_events_type - extscan report events type
* @EXTSCAN_REPORT_EVENTS_BUFFER_FULL: report only when scan history is % full
* @EXTSCAN_REPORT_EVENTS_EACH_SCAN: report a scan completion event after scan
* @EXTSCAN_REPORT_EVENTS_FULL_RESULTS: forward scan results
* (beacons/probe responses + IEs)
* in real time to HAL, in addition to completion events.
* Note: To keep backward compatibility,
* fire completion events regardless of REPORT_EVENTS_EACH_SCAN.
* @EXTSCAN_REPORT_EVENTS_NO_BATCH: controls batching,
* 0 => batching, 1 => no batching
*/
enum extscan_report_events_type {
EXTSCAN_REPORT_EVENTS_BUFFER_FULL = 0x00,
EXTSCAN_REPORT_EVENTS_EACH_SCAN = 0x01,
EXTSCAN_REPORT_EVENTS_FULL_RESULTS = 0x02,
EXTSCAN_REPORT_EVENTS_NO_BATCH = 0x04,
};
#define WMA_EXTSCAN_CYCLE_WAKE_LOCK_DURATION (5 * 1000) /* in msec */
#endif
/**
* wma_set_p2p_scan_info() - set p2p scan info in wma handle
* @wma_handle: wma handle
* @scan_id: scan id
* @vdev_id: vdev id
* @p2p_scan_type: p2p scan type
*
* Return: none
*/
static inline void wma_set_p2p_scan_info(tp_wma_handle wma_handle,
uint32_t scan_id,
uint32_t vdev_id,
tSirP2pScanType p2p_scan_type)
{
wma_handle->interfaces[vdev_id].p2p_scan_info.scan_id = scan_id;
wma_handle->interfaces[vdev_id].p2p_scan_info.p2p_scan_type =
p2p_scan_type;
}
/**
* wma_reset_p2p_scan_info() - reset scan info from wma handle
* @wma_handle: wma handle
* @vdev_id: vdev id
*
* Return: none
*/
static inline void wma_reset_p2p_scan_info(tp_wma_handle wma_handle,
uint8_t vdev_id)
{
cdf_mem_zero((void *)&(wma_handle->interfaces[vdev_id].p2p_scan_info),
sizeof(struct p2p_scan_param));
}
/**
* wma_is_mcc_24G() - check that if device is in 2.4GHz MCC
* @handle: wma handle
*
* Return: true/false
*/
static bool wma_is_mcc_24G(WMA_HANDLE handle)
{
tp_wma_handle wma_handle = (tp_wma_handle) handle;
int32_t prev_chan = 0;
int32_t i;
if (NULL == wma_handle) {
WMA_LOGE("%s: wma_handle is NULL", __func__);
return false;
}
for (i = 0; i < wma_handle->max_bssid; i++) {
if (wma_handle->interfaces[i].handle &&
wma_handle->interfaces[i].vdev_up) {
if ((prev_chan != 0 &&
prev_chan != wma_handle->interfaces[i].mhz) &&
(wma_handle->interfaces[i].mhz <=
CDS_CHAN_14_FREQ))
return true;
else
prev_chan = wma_handle->interfaces[i].mhz;
}
}
return false;
}
/**
* wma_get_buf_start_scan_cmd() - Fill start scan command
* @wma_handle: wma handle
* @scan_req: scan request
* @buf: wmi buffer to be filled in
* @buf_len: buf length
*
* Fill individual elements of wmi_start_scan_req and TLV for
* channel list, bssid, ssid etc.
*
* Return: CDF status
*/
CDF_STATUS wma_get_buf_start_scan_cmd(tp_wma_handle wma_handle,
tSirScanOffloadReq *scan_req,
wmi_buf_t *buf, int *buf_len)
{
wmi_start_scan_cmd_fixed_param *cmd;
wmi_chan_list *chan_list = NULL;
wmi_mac_addr *bssid;
wmi_ssid *ssid = NULL;
uint32_t *tmp_ptr, ie_len_with_pad;
CDF_STATUS cdf_status = CDF_STATUS_E_FAILURE;
uint8_t *buf_ptr;
uint32_t dwell_time;
uint8_t SSID_num;
int i;
int len = sizeof(*cmd);
tpAniSirGlobal pMac = cds_get_context(CDF_MODULE_ID_PE);
if (!pMac) {
WMA_LOGP("%s: pMac is NULL!", __func__);
return CDF_STATUS_E_FAILURE;
}
len += WMI_TLV_HDR_SIZE; /* Length TLV placeholder for array of uint32_t */
/* calculate the length of buffer required */
if (scan_req->channelList.numChannels)
len += scan_req->channelList.numChannels * sizeof(uint32_t);
len += WMI_TLV_HDR_SIZE; /* Length TLV placeholder for array of wmi_ssid structures */
if (scan_req->numSsid)
len += scan_req->numSsid * sizeof(wmi_ssid);
len += WMI_TLV_HDR_SIZE; /* Length TLV placeholder for array of wmi_mac_addr structures */
len += sizeof(wmi_mac_addr);
len += WMI_TLV_HDR_SIZE; /* Length TLV placeholder for array of bytes */
if (scan_req->uIEFieldLen)
len += roundup(scan_req->uIEFieldLen, sizeof(uint32_t));
/* Allocate the memory */
*buf = wmi_buf_alloc(wma_handle->wmi_handle, len);
if (!*buf) {
WMA_LOGP("%s: failed to allocate memory for start scan cmd",
__func__);
return CDF_STATUS_E_FAILURE;
}
buf_ptr = (uint8_t *) wmi_buf_data(*buf);
cmd = (wmi_start_scan_cmd_fixed_param *) buf_ptr;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_start_scan_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_start_scan_cmd_fixed_param));
cmd->vdev_id = scan_req->sessionId;
/*
* host cycles through the lower 12 bits for scan id generation
* and prefix 0xA000 to scan id
*/
if (scan_req->scan_id < WMA_HOST_SCAN_REQID_PREFIX) {
WMA_LOGE("Received scan_id 0x%x is wrong",
cmd->scan_id);
scan_req->scan_id = scan_req->scan_id & WMA_SCAN_ID_MASK;
/* Appending the 0xA000 to scan Id*/
cmd->scan_id = scan_req->scan_id | WMA_HOST_SCAN_REQID_PREFIX;
} else {
cmd->scan_id = scan_req->scan_id;
}
cmd->scan_priority = WMI_SCAN_PRIORITY_LOW;
cmd->scan_req_id = WMA_HOST_SCAN_REQUESTOR_ID_PREFIX |
WMA_DEFAULT_SCAN_REQUESTER_ID;
/* Set the scan events which the driver is intereseted to receive */
/* TODO: handle all the other flags also */
cmd->notify_scan_events = WMI_SCAN_EVENT_STARTED |
WMI_SCAN_EVENT_START_FAILED |
WMI_SCAN_EVENT_FOREIGN_CHANNEL |
WMI_SCAN_EVENT_COMPLETED |
WMI_SCAN_EVENT_DEQUEUED |
WMI_SCAN_EVENT_PREEMPTED | WMI_SCAN_EVENT_RESTARTED;
cmd->dwell_time_active = scan_req->maxChannelTime;
if (scan_req->scanType == eSIR_ACTIVE_SCAN) {
/* In Active scan case, the firmware has to do passive scan on DFS channels
* So the passive scan duration should be updated properly so that the duration
* will be sufficient enough to receive the beacon from AP */
if (wlan_cfg_get_int(pMac, WNI_CFG_PASSIVE_MAXIMUM_CHANNEL_TIME,
&dwell_time) != eSIR_SUCCESS) {
WMA_LOGE("Failed to get passive max channel value"
"using default value");
dwell_time = WMA_DWELL_TIME_PASSIVE_DEFAULT;
}
cmd->dwell_time_passive = dwell_time;
} else
cmd->dwell_time_passive = scan_req->maxChannelTime;
WMA_LOGI("Scan Type %x, Active dwell time %u, Passive dwell time %u",
scan_req->scanType, cmd->dwell_time_active,
cmd->dwell_time_passive);
/* Ensure correct number of probes are sent on active channel */
cmd->repeat_probe_time =
cmd->dwell_time_active / WMA_SCAN_NPROBES_DEFAULT;
/* CSR sends only one value restTime for staying on home channel
* to continue data traffic. Rome fw has facility to monitor the traffic
* and move to next channel. Stay on the channel for at least half
* of the requested time and then leave if there is no traffic.
*/
cmd->min_rest_time = scan_req->restTime / 2;
cmd->max_rest_time = scan_req->restTime;
/* Check for traffic at idle_time interval after min_rest_time.
* Default value is 25 ms to allow full use of max_rest_time
* when voice packets are running at 20 ms interval.
*/
cmd->idle_time = WMA_SCAN_IDLE_TIME_DEFAULT;
/* Large timeout value for full scan cycle, 30 seconds */
cmd->max_scan_time = WMA_HW_DEF_SCAN_MAX_DURATION;
/* do not add OFDM rates in 11B mode */
if (scan_req->dot11mode != WNI_CFG_DOT11_MODE_11B)
cmd->scan_ctrl_flags |= WMI_SCAN_ADD_OFDM_RATES;
else
WMA_LOGD("OFDM_RATES not included in 11B mode");
/* Do not combine multiple channels in a single burst. Come back
* to home channel for data traffic after every foreign channel.
* By default, prefer throughput performance over scan cycle time.
*/
cmd->burst_duration = 0;
if (!scan_req->p2pScanType) {
WMA_LOGD("Normal Scan request");
cmd->scan_ctrl_flags |= WMI_SCAN_ADD_CCK_RATES;
if (!scan_req->numSsid)
cmd->scan_ctrl_flags |= WMI_SCAN_ADD_BCAST_PROBE_REQ;
if (scan_req->scanType == eSIR_PASSIVE_SCAN)
cmd->scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
cmd->scan_ctrl_flags |= WMI_SCAN_FILTER_PROBE_REQ;
/*
* Decide burst_duration and dwell_time_active based on
* what type of devices are active.
*/
do {
if (wma_is_sap_active(wma_handle) &&
wma_is_p2p_go_active(wma_handle) &&
wma_is_sta_active(wma_handle)) {
if (scan_req->maxChannelTime <=
WMA_3PORT_CONC_SCAN_MAX_BURST_DURATION)
cmd->burst_duration =
scan_req->maxChannelTime;
else
cmd->burst_duration =
WMA_3PORT_CONC_SCAN_MAX_BURST_DURATION;
break;
}
if (wma_is_sap_active(wma_handle)) {
/* Background scan while SoftAP is sending beacons.
* Max duration of CTS2self is 32 ms, which limits
* the dwell time.
*/
cmd->dwell_time_active =
CDF_MIN(scan_req->maxChannelTime,
(WMA_CTS_DURATION_MS_MAX -
WMA_ROAM_SCAN_CHANNEL_SWITCH_TIME));
cmd->dwell_time_passive =
cmd->dwell_time_active;
cmd->burst_duration = 0;
break;
}
if (wma_handle->miracast_value &&
wma_is_mcc_24G(wma_handle)) {
cmd->max_rest_time =
pMac->f_sta_miracast_mcc_rest_time_val;
}
if (wma_is_p2p_go_active(wma_handle)) {
/* Background scan while GO is sending beacons.
* Every off-channel transition has overhead of 2 beacon
* intervals for NOA. Maximize number of channels in
* every transition by using burst scan.
*/
if (wma_handle->miracast_value) {
/* When miracast is running, burst duration
* needs to be minimum to avoid any stutter
* or glitch in miracast during station scan
*/
if (scan_req->maxChannelTime <=
WMA_GO_MIN_ACTIVE_SCAN_BURST_DURATION)
cmd->burst_duration =
scan_req->maxChannelTime;
else
cmd->burst_duration =
WMA_GO_MIN_ACTIVE_SCAN_BURST_DURATION;
} else {
/* If miracast is not running, accomodate max
* stations to make the scans faster
*/
cmd->burst_duration =
WMA_BURST_SCAN_MAX_NUM_OFFCHANNELS *
scan_req->maxChannelTime;
if (cmd->burst_duration >
WMA_GO_MAX_ACTIVE_SCAN_BURST_DURATION) {
uint8_t channels =
WMA_P2P_SCAN_MAX_BURST_DURATION
/ scan_req->maxChannelTime;
if (channels)
cmd->burst_duration =
channels *
scan_req->maxChannelTime;
else
cmd->burst_duration =
WMA_GO_MAX_ACTIVE_SCAN_BURST_DURATION;
}
}
break;
}
if (wma_is_sta_active(wma_handle) ||
wma_is_p2p_cli_active(wma_handle)) {
/* Typical background scan. Disable burst scan for now. */
cmd->burst_duration = 0;
break;
}
} while (0);
} else {
WMA_LOGD("P2P Scan");
switch (scan_req->p2pScanType) {
case P2P_SCAN_TYPE_LISTEN:
WMA_LOGD("P2P_SCAN_TYPE_LISTEN");
cmd->scan_ctrl_flags |= WMI_SCAN_FLAG_PASSIVE;
cmd->notify_scan_events |=
WMI_SCAN_EVENT_FOREIGN_CHANNEL;
cmd->repeat_probe_time = 0;
break;
case P2P_SCAN_TYPE_SEARCH:
WMA_LOGD("P2P_SCAN_TYPE_SEARCH");
cmd->scan_ctrl_flags |= WMI_SCAN_FILTER_PROBE_REQ;
/* Default P2P burst duration of 120 ms will cover
* 3 channels with default max dwell time 40 ms.
* Cap limit will be set by
* WMA_P2P_SCAN_MAX_BURST_DURATION. Burst duration
* should be such that no channel is scanned less
* than the dwell time in normal scenarios.
*/
if (scan_req->channelList.numChannels ==
P2P_SOCIAL_CHANNELS
&& (!(wma_handle->miracast_value)))
cmd->repeat_probe_time =
scan_req->maxChannelTime / 5;
else
cmd->repeat_probe_time =
scan_req->maxChannelTime / 3;
cmd->burst_duration =
WMA_BURST_SCAN_MAX_NUM_OFFCHANNELS *
scan_req->maxChannelTime;
if (cmd->burst_duration >
WMA_P2P_SCAN_MAX_BURST_DURATION) {
uint8_t channels =
WMA_P2P_SCAN_MAX_BURST_DURATION /
scan_req->maxChannelTime;
if (channels)
cmd->burst_duration =
channels * scan_req->maxChannelTime;
else
cmd->burst_duration =
WMA_P2P_SCAN_MAX_BURST_DURATION;
}
break;
default:
WMA_LOGE("Invalid scan type");
goto error;
}
}
cmd->n_probes = (cmd->repeat_probe_time > 0) ?
cmd->dwell_time_active / cmd->repeat_probe_time : 0;
buf_ptr += sizeof(*cmd);
tmp_ptr = (uint32_t *) (buf_ptr + WMI_TLV_HDR_SIZE);
if (scan_req->channelList.numChannels) {
chan_list = (wmi_chan_list *) tmp_ptr;
cmd->num_chan = scan_req->channelList.numChannels;
for (i = 0; i < scan_req->channelList.numChannels; ++i) {
tmp_ptr[i] =
cds_chan_to_freq(scan_req->channelList.
channelNumber[i]);
}
}
WMITLV_SET_HDR(buf_ptr,
WMITLV_TAG_ARRAY_UINT32,
(cmd->num_chan * sizeof(uint32_t)));
buf_ptr += WMI_TLV_HDR_SIZE + (cmd->num_chan * sizeof(uint32_t));
if (scan_req->numSsid > SIR_SCAN_MAX_NUM_SSID) {
WMA_LOGE("Invalid value for numSsid");
goto error;
}
cmd->num_ssids = scan_req->numSsid;
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_FIXED_STRUC,
(cmd->num_ssids * sizeof(wmi_ssid)));
if (scan_req->numSsid) {
ssid = (wmi_ssid *) (buf_ptr + WMI_TLV_HDR_SIZE);
for (i = 0; i < scan_req->numSsid; ++i) {
ssid->ssid_len = scan_req->ssId[i].length;
cdf_mem_copy(ssid->ssid, scan_req->ssId[i].ssId,
scan_req->ssId[i].length);
ssid++;
}
}
buf_ptr += WMI_TLV_HDR_SIZE + (cmd->num_ssids * sizeof(wmi_ssid));
cmd->num_bssid = 1;
if (!scan_req->p2pScanType) {
if (wma_is_sap_active(wma_handle)) {
SSID_num = cmd->num_ssids * cmd->num_bssid;
cmd->repeat_probe_time = probe_time_dwell_time_map[
CDF_MIN(SSID_num,
WMA_DWELL_TIME_PROBE_TIME_MAP_SIZE
- 1)].probe_time;
}
}
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_FIXED_STRUC,
(cmd->num_bssid * sizeof(wmi_mac_addr)));
bssid = (wmi_mac_addr *) (buf_ptr + WMI_TLV_HDR_SIZE);
WMI_CHAR_ARRAY_TO_MAC_ADDR(scan_req->bssId, bssid);
buf_ptr += WMI_TLV_HDR_SIZE + (cmd->num_bssid * sizeof(wmi_mac_addr));
cmd->ie_len = scan_req->uIEFieldLen;
ie_len_with_pad = roundup(scan_req->uIEFieldLen, sizeof(uint32_t));
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_BYTE, ie_len_with_pad);
if (scan_req->uIEFieldLen) {
cdf_mem_copy(buf_ptr + WMI_TLV_HDR_SIZE,
(uint8_t *) scan_req +
(scan_req->uIEFieldOffset), scan_req->uIEFieldLen);
}
buf_ptr += WMI_TLV_HDR_SIZE + ie_len_with_pad;
*buf_len = len;
return CDF_STATUS_SUCCESS;
error:
cdf_mem_free(*buf);
*buf = NULL;
return cdf_status;
}
/**
* wma_get_buf_stop_scan_cmd() - Fill stop scan command
* @wma_handle: wma handle
* @buf: wmi buffer to be filled in
* @buf_len: buf length
* @abort_scan_req: abort scan request
*
* Fill wmi_stop_scan_cmd buffer.
*
* Return: CDF status
*/
CDF_STATUS wma_get_buf_stop_scan_cmd(tp_wma_handle wma_handle,
wmi_buf_t *buf,
int *buf_len,
tAbortScanParams *abort_scan_req)
{
wmi_stop_scan_cmd_fixed_param *cmd;
CDF_STATUS cdf_status;
int len = sizeof(*cmd);
/* Allocate the memory */
*buf = wmi_buf_alloc(wma_handle->wmi_handle, len);
if (!*buf) {
WMA_LOGP("%s: failed to allocate memory for stop scan cmd",
__func__);
cdf_status = CDF_STATUS_E_FAILURE;
goto error;
}
cmd = (wmi_stop_scan_cmd_fixed_param *) wmi_buf_data(*buf);
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_stop_scan_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN(wmi_stop_scan_cmd_fixed_param));
cmd->vdev_id = abort_scan_req->SessionId;
cmd->requestor = WMA_HOST_SCAN_REQUESTOR_ID_PREFIX |
WMA_DEFAULT_SCAN_REQUESTER_ID;
cmd->scan_id = abort_scan_req->scan_id;
/* stop the scan with the corresponding scan_id */
cmd->req_type = WMI_SCAN_STOP_ONE;
*buf_len = len;
cdf_status = CDF_STATUS_SUCCESS;
error:
return cdf_status;
}
/**
* wma_start_scan() - start scan command
* @wma_handle: wma handle
* @scan_req: scan request params
* @msg_type: message time
*
* Send start scan command to fw.
*
* Return: CDF status
*/
CDF_STATUS wma_start_scan(tp_wma_handle wma_handle,
tSirScanOffloadReq *scan_req, uint16_t msg_type)
{
uint32_t vdev_id, scan_id;
CDF_STATUS cdf_status = CDF_STATUS_SUCCESS;
wmi_buf_t buf = NULL;
wmi_start_scan_cmd_fixed_param *cmd;
int status = 0;
int len;
tSirScanOffloadEvent *scan_event;
if (scan_req->sessionId > wma_handle->max_bssid) {
WMA_LOGE("%s: Invalid vdev_id %d, msg_type : 0x%x", __func__,
scan_req->sessionId, msg_type);
goto error;
}
/* Sanity check to find whether vdev id active or not */
if (msg_type != WMA_START_SCAN_OFFLOAD_REQ &&
!wma_handle->interfaces[scan_req->sessionId].handle) {
WMA_LOGA("vdev id [%d] is not active", scan_req->sessionId);
goto error;
}
/* Fill individual elements of wmi_start_scan_req and
* TLV for channel list, bssid, ssid etc ... */
cdf_status = wma_get_buf_start_scan_cmd(wma_handle, scan_req,
&buf, &len);
if (cdf_status != CDF_STATUS_SUCCESS) {
WMA_LOGE("Failed to get buffer for start scan cmd");
goto error;
}
if (NULL == buf) {
WMA_LOGE("Failed to get buffer for saving current scan info");
goto error;
}
/* Save current scan info */
cmd = (wmi_start_scan_cmd_fixed_param *) wmi_buf_data(buf);
if (msg_type == WMA_CHNL_SWITCH_REQ) {
/* Adjust parameters for channel switch scan */
cmd->min_rest_time = WMA_ROAM_PREAUTH_REST_TIME;
cmd->max_rest_time = WMA_ROAM_PREAUTH_REST_TIME;
cmd->max_scan_time = WMA_ROAM_PREAUTH_MAX_SCAN_TIME;
cmd->scan_priority = WMI_SCAN_PRIORITY_HIGH;
cmd->scan_id = scan_req->scan_id;
wma_handle->roam_preauth_scan_id = cmd->scan_id;
}
if (scan_req->p2pScanType == P2P_SCAN_TYPE_LISTEN)
wma_set_p2p_scan_info(wma_handle, cmd->scan_id,
cmd->vdev_id, P2P_SCAN_TYPE_LISTEN);
WMA_LOGE("scan_id 0x%x, vdev_id %d, p2pScanType %d, msg_type 0x%x",
cmd->scan_id, cmd->vdev_id, scan_req->p2pScanType, msg_type);
/*
* Cache vdev_id and scan_id because cmd is freed after calling
* wmi_unified_cmd_send cmd. WMI internally frees cmd buffer after
* getting TX complete from CE
*/
vdev_id = cmd->vdev_id;
scan_id = cmd->scan_id;
WMA_LOGI("ActiveDwell %d, PassiveDwell %d, ScanFlags 0x%x NumChan %d",
cmd->dwell_time_active, cmd->dwell_time_passive,
cmd->scan_ctrl_flags, cmd->num_chan);
status = wmi_unified_cmd_send(wma_handle->wmi_handle, buf,
len, WMI_START_SCAN_CMDID);
/* Call the wmi api to request the scan */
if (status != EOK) {
WMA_LOGE("wmi_unified_cmd_send returned Error %d", status);
cdf_status = CDF_STATUS_E_FAILURE;
goto error;
}
WMA_LOGI("WMA --> WMI_START_SCAN_CMDID");
return CDF_STATUS_SUCCESS;
error:
/* Send completion event for only for start scan request */
if (msg_type == WMA_START_SCAN_OFFLOAD_REQ) {
scan_event =
(tSirScanOffloadEvent *)
cdf_mem_malloc(sizeof(tSirScanOffloadEvent));
if (!scan_event) {
WMA_LOGP("%s: Failed to allocate memory for scan rsp",
__func__);
return CDF_STATUS_E_NOMEM;
}
memset(scan_event, 0x00, sizeof(*scan_event));
scan_event->event = WMI_SCAN_EVENT_COMPLETED;
scan_event->reasonCode = eSIR_SME_SCAN_FAILED;
scan_event->sessionId = scan_req->sessionId;
scan_event->p2pScanType = scan_req->p2pScanType;
scan_event->scanId = scan_req->scan_id;
wma_send_msg(wma_handle, WMA_RX_SCAN_EVENT, (void *)scan_event,
0);
}
return cdf_status;
}
/**
* wma_stop_scan() - stop scan command
* @wma_handle: wma handle
* @abort_scan_req: abort scan params
*
* Send stop scan command to fw.
*
* Return: CDF status
*/
CDF_STATUS wma_stop_scan(tp_wma_handle wma_handle,
tAbortScanParams *abort_scan_req)
{
CDF_STATUS cdf_status;
wmi_buf_t buf;
int status = 0;
int len;
cdf_status = wma_get_buf_stop_scan_cmd(wma_handle, &buf, &len,
abort_scan_req);
if (cdf_status != CDF_STATUS_SUCCESS) {
WMA_LOGE("Failed to get buffer for stop scan cmd");
goto error1;
}
if (NULL == buf) {
WMA_LOGE("Failed to get buffer for stop scan cmd");
cdf_status = CDF_STATUS_E_FAULT;
goto error1;
}
status = wmi_unified_cmd_send(wma_handle->wmi_handle, buf,
len, WMI_STOP_SCAN_CMDID);
/* Call the wmi api to request the scan */
if (status != EOK) {
WMA_LOGE("wmi_unified_cmd_send WMI_STOP_SCAN_CMDID returned Error %d",
status);
cdf_status = CDF_STATUS_E_FAILURE;
goto error;
}
WMA_LOGE("scan_id %x, vdev_id %x",
abort_scan_req->scan_id, abort_scan_req->SessionId);
WMA_LOGI("WMA --> WMI_STOP_SCAN_CMDID");
return CDF_STATUS_SUCCESS;
error:
if (buf)
cdf_nbuf_free(buf);
error1:
return cdf_status;
}
/**
* wma_update_channel_list() - update channel list
* @handle: wma handle
* @chan_list: channel list
*
* Function is used to update the support channel list in fw.
*
* Return: CDF status
*/
CDF_STATUS wma_update_channel_list(WMA_HANDLE handle,
tSirUpdateChanList *chan_list)
{
tp_wma_handle wma_handle = (tp_wma_handle) handle;
wmi_buf_t buf;
CDF_STATUS cdf_status = CDF_STATUS_SUCCESS;
wmi_scan_chan_list_cmd_fixed_param *cmd;
int status, i;
uint8_t *buf_ptr;
wmi_channel *chan_info;
uint16_t len = sizeof(*cmd) + WMI_TLV_HDR_SIZE;
len += sizeof(wmi_channel) * chan_list->numChan;
buf = wmi_buf_alloc(wma_handle->wmi_handle, len);
if (!buf) {
WMA_LOGE("Failed to allocate memory");
cdf_status = CDF_STATUS_E_NOMEM;
goto end;
}
buf_ptr = (uint8_t *) wmi_buf_data(buf);
cmd = (wmi_scan_chan_list_cmd_fixed_param *) buf_ptr;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_scan_chan_list_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_scan_chan_list_cmd_fixed_param));
WMA_LOGD("no of channels = %d, len = %d", chan_list->numChan, len);
cmd->num_scan_chans = chan_list->numChan;
WMITLV_SET_HDR((buf_ptr + sizeof(wmi_scan_chan_list_cmd_fixed_param)),
WMITLV_TAG_ARRAY_STRUC,
sizeof(wmi_channel) * chan_list->numChan);
chan_info = (wmi_channel *) (buf_ptr + sizeof(*cmd) + WMI_TLV_HDR_SIZE);
for (i = 0; i < chan_list->numChan; ++i) {
WMITLV_SET_HDR(&chan_info->tlv_header,
WMITLV_TAG_STRUC_wmi_channel,
WMITLV_GET_STRUCT_TLVLEN(wmi_channel));
chan_info->mhz =
cds_chan_to_freq(chan_list->chanParam[i].chanId);
chan_info->band_center_freq1 = chan_info->mhz;
chan_info->band_center_freq2 = 0;
WMA_LOGD("chan[%d] = %u", i, chan_info->mhz);
if (chan_list->chanParam[i].dfsSet) {
WMI_SET_CHANNEL_FLAG(chan_info, WMI_CHAN_FLAG_PASSIVE);
WMA_LOGI("chan[%d] DFS[%d]\n",
chan_list->chanParam[i].chanId,
chan_list->chanParam[i].dfsSet);
}
if (chan_info->mhz < WMA_2_4_GHZ_MAX_FREQ)
WMI_SET_CHANNEL_MODE(chan_info, MODE_11G);
else
WMI_SET_CHANNEL_MODE(chan_info, MODE_11A);
if (chan_list->chanParam[i].half_rate)
WMI_SET_CHANNEL_FLAG(chan_info,
WMI_CHAN_FLAG_HALF_RATE);
else if (chan_list->chanParam[i].quarter_rate)
WMI_SET_CHANNEL_FLAG(chan_info,
WMI_CHAN_FLAG_QUARTER_RATE);
WMI_SET_CHANNEL_MAX_TX_POWER(chan_info,
chan_list->chanParam[i].pwr);
WMI_SET_CHANNEL_REG_POWER(chan_info,
chan_list->chanParam[i].pwr);
WMA_LOGD("Channel TX power[%d] = %u: %d", i, chan_info->mhz,
chan_list->chanParam[i].pwr);
/*TODO: Set WMI_SET_CHANNEL_MIN_POWER */
/*TODO: Set WMI_SET_CHANNEL_ANTENNA_MAX */
/*TODO: WMI_SET_CHANNEL_REG_CLASSID */
chan_info++;
}
status = wmi_unified_cmd_send(wma_handle->wmi_handle, buf, len,
WMI_SCAN_CHAN_LIST_CMDID);
if (status != EOK) {
cdf_status = CDF_STATUS_E_FAILURE;
WMA_LOGE("Failed to send WMI_SCAN_CHAN_LIST_CMDID");
wmi_buf_free(buf);
}
end:
return cdf_status;
}
/**
* wma_roam_scan_offload_mode() - send roam scan mode request to fw
* @wma_handle: wma handle
* @scan_cmd_fp: start scan command ptr
* @roam_req: roam request param
* @mode: mode
* @vdev_id: vdev id
*
* send WMI_ROAM_SCAN_MODE TLV to firmware. It has a piggyback
* of WMI_ROAM_SCAN_MODE.
*
* Return: CDF status
*/
CDF_STATUS wma_roam_scan_offload_mode(tp_wma_handle wma_handle,
wmi_start_scan_cmd_fixed_param *
scan_cmd_fp,
tSirRoamOffloadScanReq *roam_req,
uint32_t mode, uint32_t vdev_id)
{
CDF_STATUS cdf_status = CDF_STATUS_SUCCESS;
wmi_buf_t buf = NULL;
int status = 0;
int len;
uint8_t *buf_ptr;
wmi_roam_scan_mode_fixed_param *roam_scan_mode_fp;
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
int auth_mode = WMI_AUTH_NONE;
wmi_roam_offload_tlv_param *roam_offload_params;
wmi_roam_11i_offload_tlv_param *roam_offload_11i;
wmi_roam_11r_offload_tlv_param *roam_offload_11r;
wmi_roam_ese_offload_tlv_param *roam_offload_ese;
if (roam_req)
auth_mode = e_csr_auth_type_to_rsn_authmode
(roam_req->ConnectedNetwork.authentication,
roam_req->ConnectedNetwork.encryption);
WMA_LOGD("%s : auth mode = %d", __func__, auth_mode);
#endif /* WLAN_FEATURE_ROAM_OFFLOAD */
/* Need to create a buf with roam_scan command at
* front and piggyback with scan command */
len = sizeof(wmi_roam_scan_mode_fixed_param) +
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
(2 * WMI_TLV_HDR_SIZE) +
#endif /* WLAN_FEATURE_ROAM_OFFLOAD */
sizeof(wmi_start_scan_cmd_fixed_param);
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
if (roam_req && roam_req->RoamOffloadEnabled) {
len += sizeof(wmi_roam_offload_tlv_param);
len += WMI_TLV_HDR_SIZE;
if ((auth_mode != WMI_AUTH_NONE) &&
((auth_mode != WMI_AUTH_OPEN) ||
(auth_mode == WMI_AUTH_OPEN &&
roam_req->MDID.mdiePresent) || roam_req->IsESEAssoc)) {
len += WMI_TLV_HDR_SIZE;
if (roam_req->IsESEAssoc)
len += sizeof(wmi_roam_ese_offload_tlv_param);
else if (auth_mode == WMI_AUTH_FT_RSNA ||
auth_mode == WMI_AUTH_FT_RSNA_PSK ||
(auth_mode == WMI_AUTH_OPEN &&
roam_req->MDID.mdiePresent))
len += sizeof(wmi_roam_11r_offload_tlv_param);
else
len += sizeof(wmi_roam_11i_offload_tlv_param);
} else {
len += WMI_TLV_HDR_SIZE;
}
} else {
if (roam_req)
WMA_LOGD("%s : roam offload = %d",
__func__, roam_req->RoamOffloadEnabled);
else
WMA_LOGD("%s : roam_req is NULL", __func__);
len += (2 * WMI_TLV_HDR_SIZE);
}
if (roam_req && roam_req->RoamOffloadEnabled) {
mode = mode | WMI_ROAM_SCAN_MODE_ROAMOFFLOAD;
}
#endif /* WLAN_FEATURE_ROAM_OFFLOAD */
buf = wmi_buf_alloc(wma_handle->wmi_handle, len);
if (!buf) {
WMA_LOGE("%s : wmi_buf_alloc failed", __func__);
return CDF_STATUS_E_NOMEM;
}
buf_ptr = (uint8_t *) wmi_buf_data(buf);
roam_scan_mode_fp = (wmi_roam_scan_mode_fixed_param *) buf_ptr;
WMITLV_SET_HDR(&roam_scan_mode_fp->tlv_header,
WMITLV_TAG_STRUC_wmi_roam_scan_mode_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_roam_scan_mode_fixed_param));
roam_scan_mode_fp->roam_scan_mode = mode;
roam_scan_mode_fp->vdev_id = vdev_id;
/* Fill in scan parameters suitable for roaming scan */
buf_ptr += sizeof(wmi_roam_scan_mode_fixed_param);
cdf_mem_copy(buf_ptr, scan_cmd_fp,
sizeof(wmi_start_scan_cmd_fixed_param));
/* Ensure there is no additional IEs */
scan_cmd_fp->ie_len = 0;
WMITLV_SET_HDR(buf_ptr,
WMITLV_TAG_STRUC_wmi_start_scan_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_start_scan_cmd_fixed_param));
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
buf_ptr += sizeof(wmi_start_scan_cmd_fixed_param);
if (roam_req && roam_req->RoamOffloadEnabled) {
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
sizeof(wmi_roam_offload_tlv_param));
buf_ptr += WMI_TLV_HDR_SIZE;
roam_offload_params = (wmi_roam_offload_tlv_param *) buf_ptr;
WMITLV_SET_HDR(buf_ptr,
WMITLV_TAG_STRUC_wmi_roam_offload_tlv_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_roam_offload_tlv_param));
roam_offload_params->prefer_5g = roam_req->Prefer5GHz;
roam_offload_params->rssi_cat_gap = roam_req->RoamRssiCatGap;
roam_offload_params->select_5g_margin =
roam_req->Select5GHzMargin;
roam_offload_params->reassoc_failure_timeout =
roam_req->ReassocFailureTimeout;
/* Fill the capabilities */
wma_roam_scan_fill_self_caps(wma_handle, roam_offload_params,
roam_req);
buf_ptr += sizeof(wmi_roam_offload_tlv_param);
/* The TLV's are in the order of 11i, 11R, ESE. Hence,
* they are filled in the same order.Depending on the
* authentication type, the other mode TLV's are nullified
* and only headers are filled.*/
if ((auth_mode != WMI_AUTH_NONE) &&
((auth_mode != WMI_AUTH_OPEN) ||
(auth_mode == WMI_AUTH_OPEN
&& roam_req->MDID.mdiePresent) || roam_req->IsESEAssoc)) {
if (roam_req->IsESEAssoc) {
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
WMITLV_GET_STRUCT_TLVLEN(0));
buf_ptr += WMI_TLV_HDR_SIZE;
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
WMITLV_GET_STRUCT_TLVLEN(0));
buf_ptr += WMI_TLV_HDR_SIZE;
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
sizeof(wmi_roam_ese_offload_tlv_param));
buf_ptr += WMI_TLV_HDR_SIZE;
roam_offload_ese =
(wmi_roam_ese_offload_tlv_param *) buf_ptr;
cdf_mem_copy(roam_offload_ese->krk,
roam_req->KRK,
sizeof(roam_req->KRK));
cdf_mem_copy(roam_offload_ese->btk,
roam_req->BTK,
sizeof(roam_req->BTK));
WMITLV_SET_HDR(&roam_offload_ese->tlv_header,
WMITLV_TAG_STRUC_wmi_roam_ese_offload_tlv_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_roam_ese_offload_tlv_param));
buf_ptr +=
sizeof(wmi_roam_ese_offload_tlv_param);
} else if (auth_mode == WMI_AUTH_FT_RSNA
|| auth_mode == WMI_AUTH_FT_RSNA_PSK
|| (auth_mode == WMI_AUTH_OPEN
&& roam_req->MDID.mdiePresent)) {
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
0);
buf_ptr += WMI_TLV_HDR_SIZE;
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
sizeof(wmi_roam_11r_offload_tlv_param));
buf_ptr += WMI_TLV_HDR_SIZE;
roam_offload_11r =
(wmi_roam_11r_offload_tlv_param *) buf_ptr;
roam_offload_11r->r0kh_id_len =
roam_req->R0KH_ID_Length;
cdf_mem_copy(roam_offload_11r->r0kh_id,
roam_req->R0KH_ID,
roam_offload_11r->r0kh_id_len);
cdf_mem_copy(roam_offload_11r->psk_msk,
roam_req->PSK_PMK,
sizeof(roam_req->PSK_PMK));
roam_offload_11r->psk_msk_len =
roam_req->pmk_len;
roam_offload_11r->mdie_present =
roam_req->MDID.mdiePresent;
roam_offload_11r->mdid =
roam_req->MDID.mobilityDomain;
if (auth_mode == WMI_AUTH_OPEN) {
/* If FT-Open ensure pmk length
and r0khid len are zero */
roam_offload_11r->r0kh_id_len = 0;
roam_offload_11r->psk_msk_len = 0;
}
WMITLV_SET_HDR(&roam_offload_11r->tlv_header,
WMITLV_TAG_STRUC_wmi_roam_11r_offload_tlv_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_roam_11r_offload_tlv_param));
buf_ptr +=
sizeof(wmi_roam_11r_offload_tlv_param);
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
WMITLV_GET_STRUCT_TLVLEN(0));
buf_ptr += WMI_TLV_HDR_SIZE;
} else {
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
sizeof(wmi_roam_11i_offload_tlv_param));
buf_ptr += WMI_TLV_HDR_SIZE;
roam_offload_11i =
(wmi_roam_11i_offload_tlv_param *) buf_ptr;
if (roam_req->RoamKeyMgmtOffloadEnabled) {
WMI_SET_ROAM_OFFLOAD_OKC_ENABLED
(roam_offload_11i->flags);
WMA_LOGE("LFR3:OKC Enabled");
} else {
WMI_SET_ROAM_OFFLOAD_OKC_DISABLED
(roam_offload_11i->flags);
WMA_LOGE("LFR3:OKC Disabled");
}
cdf_mem_copy(roam_offload_11i->pmk,
roam_req->PSK_PMK,
sizeof(roam_req->PSK_PMK));
roam_offload_11i->pmk_len = roam_req->pmk_len;
WMITLV_SET_HDR(&roam_offload_11i->tlv_header,
WMITLV_TAG_STRUC_wmi_roam_11i_offload_tlv_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_roam_11i_offload_tlv_param));
buf_ptr +=
sizeof(wmi_roam_11i_offload_tlv_param);
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
0);
buf_ptr += WMI_TLV_HDR_SIZE;
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
0);
buf_ptr += WMI_TLV_HDR_SIZE;
}
} else {
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
WMITLV_GET_STRUCT_TLVLEN(0));
buf_ptr += WMI_TLV_HDR_SIZE;
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
WMITLV_GET_STRUCT_TLVLEN(0));
buf_ptr += WMI_TLV_HDR_SIZE;
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
WMITLV_GET_STRUCT_TLVLEN(0));
}
} else {
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
WMITLV_GET_STRUCT_TLVLEN(0));
buf_ptr += WMI_TLV_HDR_SIZE;
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
WMITLV_GET_STRUCT_TLVLEN(0));
buf_ptr += WMI_TLV_HDR_SIZE;
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
WMITLV_GET_STRUCT_TLVLEN(0));
buf_ptr += WMI_TLV_HDR_SIZE;
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
WMITLV_GET_STRUCT_TLVLEN(0));
}
#endif /* WLAN_FEATURE_ROAM_OFFLOAD */
status = wmi_unified_cmd_send(wma_handle->wmi_handle, buf,
len, WMI_ROAM_SCAN_MODE);
if (status != EOK) {
WMA_LOGE("wmi_unified_cmd_send WMI_ROAM_SCAN_MODE returned Error %d",
status);
cdf_status = CDF_STATUS_E_FAILURE;
goto error;
}
WMA_LOGI("%s: WMA --> WMI_ROAM_SCAN_MODE", __func__);
return CDF_STATUS_SUCCESS;
error:
wmi_buf_free(buf);
return cdf_status;
}
/**
* wma_roam_scan_offload_rssi_threshold() - set scan offload rssi threashold
* @wma_handle: wma handle
* @roam_req: Roaming request buffer
*
* Send WMI_ROAM_SCAN_RSSI_THRESHOLD TLV to firmware
*
* Return: CDF status
*/
CDF_STATUS wma_roam_scan_offload_rssi_thresh(tp_wma_handle wma_handle,
tSirRoamOffloadScanReq *roam_req)
{
CDF_STATUS cdf_status = CDF_STATUS_SUCCESS;
wmi_buf_t buf = NULL;
int status = 0;
int len, rssi_thresh, rssi_thresh_diff;
uint8_t *buf_ptr;
wmi_roam_scan_rssi_threshold_fixed_param *rssi_threshold_fp;
wmi_roam_scan_extended_threshold_param *ext_thresholds = NULL;
struct roam_ext_params *roam_params;
int32_t good_rssi_threshold;
uint32_t hirssi_scan_max_count;
uint32_t hirssi_scan_delta;
int32_t hirssi_upper_bound;
/* Send rssi threshold */
roam_params = &roam_req->roam_params;
rssi_thresh = roam_req->LookupThreshold - WMA_NOISE_FLOOR_DBM_DEFAULT;
rssi_thresh_diff = roam_req->OpportunisticScanThresholdDiff;
hirssi_scan_max_count = roam_req->hi_rssi_scan_max_count;
hirssi_scan_delta = roam_req->hi_rssi_scan_rssi_delta;
hirssi_upper_bound = roam_req->hi_rssi_scan_rssi_ub -
WMA_NOISE_FLOOR_DBM_DEFAULT;
len = sizeof(wmi_roam_scan_rssi_threshold_fixed_param);
len += WMI_TLV_HDR_SIZE; /* TLV for ext_thresholds*/
len += sizeof(wmi_roam_scan_extended_threshold_param);
buf = wmi_buf_alloc(wma_handle->wmi_handle, len);
if (!buf) {
WMA_LOGE("%s : wmi_buf_alloc failed", __func__);
return CDF_STATUS_E_NOMEM;
}
buf_ptr = (uint8_t *) wmi_buf_data(buf);
rssi_threshold_fp =
(wmi_roam_scan_rssi_threshold_fixed_param *) buf_ptr;
WMITLV_SET_HDR(&rssi_threshold_fp->tlv_header,
WMITLV_TAG_STRUC_wmi_roam_scan_rssi_threshold_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_roam_scan_rssi_threshold_fixed_param));
/* fill in threshold values */
rssi_threshold_fp->vdev_id = roam_req->sessionId;
rssi_threshold_fp->roam_scan_rssi_thresh = rssi_thresh & 0x000000ff;
rssi_threshold_fp->roam_rssi_thresh_diff =
rssi_thresh_diff & 0x000000ff;
rssi_threshold_fp->hirssi_scan_max_count = hirssi_scan_max_count;
rssi_threshold_fp->hirssi_scan_delta = hirssi_scan_delta;
rssi_threshold_fp->hirssi_upper_bound = hirssi_upper_bound & 0x00000ff;
buf_ptr += sizeof(wmi_roam_scan_rssi_threshold_fixed_param);
WMITLV_SET_HDR(buf_ptr,
WMITLV_TAG_ARRAY_STRUC,
sizeof(wmi_roam_scan_extended_threshold_param));
buf_ptr += WMI_TLV_HDR_SIZE;
ext_thresholds = (wmi_roam_scan_extended_threshold_param *) buf_ptr;
/*
* The current Noise floor in firmware is -96dBm. Penalty/Boost
* threshold is applied on a weaker signal to make it even more weaker.
* So, there is a chance that the user may configure a very low
* Penalty/Boost threshold beyond the noise floor. If that is the case,
* then suppress the penalty/boost threshold to the noise floor.
*/
if (roam_params->raise_rssi_thresh_5g < WMA_NOISE_FLOOR_DBM_DEFAULT)
ext_thresholds->penalty_threshold_5g = 0;
else
ext_thresholds->boost_threshold_5g =
(roam_params->raise_rssi_thresh_5g -
WMA_NOISE_FLOOR_DBM_DEFAULT) & 0x000000ff;
if (roam_params->drop_rssi_thresh_5g < WMA_NOISE_FLOOR_DBM_DEFAULT)
ext_thresholds->penalty_threshold_5g = 0;
else
ext_thresholds->penalty_threshold_5g =
(roam_params->drop_rssi_thresh_5g -
WMA_NOISE_FLOOR_DBM_DEFAULT) & 0x000000ff;
ext_thresholds->boost_algorithm_5g =
WMI_ROAM_5G_BOOST_PENALIZE_ALGO_LINEAR;
ext_thresholds->boost_factor_5g = roam_params->raise_factor_5g;
ext_thresholds->penalty_algorithm_5g =
WMI_ROAM_5G_BOOST_PENALIZE_ALGO_LINEAR;
ext_thresholds->penalty_factor_5g = roam_params->drop_factor_5g;
ext_thresholds->max_boost_5g = roam_params->max_raise_rssi_5g;
ext_thresholds->max_penalty_5g = roam_params->max_drop_rssi_5g;
if (roam_params->good_rssi_roam)
good_rssi_threshold = WMA_NOISE_FLOOR_DBM_DEFAULT;
else
good_rssi_threshold = 0;
ext_thresholds->good_rssi_threshold =
(good_rssi_threshold - WMA_NOISE_FLOOR_DBM_DEFAULT) & 0x000000ff;
WMA_LOGD("WMA --> good_rssi_threshold=%d",
ext_thresholds->good_rssi_threshold);
WMITLV_SET_HDR(&ext_thresholds->tlv_header,
WMITLV_TAG_STRUC_wmi_roam_scan_extended_threshold_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_roam_scan_extended_threshold_param));
status = wmi_unified_cmd_send(wma_handle->wmi_handle, buf,
len, WMI_ROAM_SCAN_RSSI_THRESHOLD);
if (status != EOK) {
WMA_LOGE("cmd WMI_ROAM_SCAN_RSSI_THRESHOLD returned Error %d",
status);
cdf_status = CDF_STATUS_E_FAILURE;
goto error;
}
WMA_LOGI(FL("roam_scan_rssi_thresh=%d, roam_rssi_thresh_diff=%d"),
rssi_thresh, rssi_thresh_diff);
WMA_LOGI(
FL("hirssi_scan max_count=%d, delta=%d, hirssi_upper_bound=%d"),
hirssi_scan_max_count, hirssi_scan_delta, hirssi_upper_bound);
return CDF_STATUS_SUCCESS;
error:
wmi_buf_free(buf);
return cdf_status;
}
/**
* wma_roam_scan_offload_scan_period() - set roam offload scan period
* @wma_handle: wma handle
* @scan_period: scan period
* @scan_age: scan age
* @vdev_id: vdev id
*
* Send WMI_ROAM_SCAN_PERIOD parameters to fw.
*
* Return: CDF status
*/
CDF_STATUS wma_roam_scan_offload_scan_period(tp_wma_handle wma_handle,
uint32_t scan_period,
uint32_t scan_age,
uint32_t vdev_id)
{
CDF_STATUS cdf_status = CDF_STATUS_SUCCESS;
wmi_buf_t buf = NULL;
int status = 0;
int len;
uint8_t *buf_ptr;
wmi_roam_scan_period_fixed_param *scan_period_fp;
/* Send scan period values */
len = sizeof(wmi_roam_scan_period_fixed_param);
buf = wmi_buf_alloc(wma_handle->wmi_handle, len);
if (!buf) {
WMA_LOGE("%s : wmi_buf_alloc failed", __func__);
return CDF_STATUS_E_NOMEM;
}
buf_ptr = (uint8_t *) wmi_buf_data(buf);
scan_period_fp = (wmi_roam_scan_period_fixed_param *) buf_ptr;
WMITLV_SET_HDR(&scan_period_fp->tlv_header,
WMITLV_TAG_STRUC_wmi_roam_scan_period_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_roam_scan_period_fixed_param));
/* fill in scan period values */
scan_period_fp->vdev_id = vdev_id;
scan_period_fp->roam_scan_period = scan_period; /* 20 seconds */
scan_period_fp->roam_scan_age = scan_age;
status = wmi_unified_cmd_send(wma_handle->wmi_handle, buf,
len, WMI_ROAM_SCAN_PERIOD);
if (status != EOK) {
WMA_LOGE("wmi_unified_cmd_send WMI_ROAM_SCAN_PERIOD returned Error %d",
status);
cdf_status = CDF_STATUS_E_FAILURE;
goto error;
}
WMA_LOGI("%s: WMA --> WMI_ROAM_SCAN_PERIOD roam_scan_period=%d, roam_scan_age=%d",
__func__, scan_period, scan_age);
return CDF_STATUS_SUCCESS;
error:
wmi_buf_free(buf);
return cdf_status;
}
/**
* wma_roam_scan_offload_rssi_change() - set roam offload RSSI change threshold
* @wma_handle: wma handle
* @rssi_change_thresh: RSSI Change threshold
* @bcn_rssi_weight: beacon RSSI weight
* @vdev_id: vdev id
*
* Send WMI_ROAM_SCAN_RSSI_CHANGE_THRESHOLD parameters to fw.
*
* Return: CDF status
*/
CDF_STATUS wma_roam_scan_offload_rssi_change(tp_wma_handle wma_handle,
uint32_t vdev_id,
int32_t rssi_change_thresh,
uint32_t bcn_rssi_weight,
uint32_t hirssi_delay_btw_scans)
{
CDF_STATUS cdf_status = CDF_STATUS_SUCCESS;
wmi_buf_t buf = NULL;
int status = 0;
int len;
uint8_t *buf_ptr;
wmi_roam_scan_rssi_change_threshold_fixed_param *rssi_change_fp;
/* Send rssi change parameters */
len = sizeof(wmi_roam_scan_rssi_change_threshold_fixed_param);
buf = wmi_buf_alloc(wma_handle->wmi_handle, len);
if (!buf) {
WMA_LOGE("%s : wmi_buf_alloc failed", __func__);
return CDF_STATUS_E_NOMEM;
}
buf_ptr = (uint8_t *) wmi_buf_data(buf);
rssi_change_fp =
(wmi_roam_scan_rssi_change_threshold_fixed_param *) buf_ptr;
WMITLV_SET_HDR(&rssi_change_fp->tlv_header,
WMITLV_TAG_STRUC_wmi_roam_scan_rssi_change_threshold_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_roam_scan_rssi_change_threshold_fixed_param));
/* fill in rssi change threshold (hysteresis) values */
rssi_change_fp->vdev_id = vdev_id;
rssi_change_fp->roam_scan_rssi_change_thresh = rssi_change_thresh;
rssi_change_fp->bcn_rssi_weight = bcn_rssi_weight;
rssi_change_fp->hirssi_delay_btw_scans = hirssi_delay_btw_scans;
status = wmi_unified_cmd_send(wma_handle->wmi_handle, buf,
len, WMI_ROAM_SCAN_RSSI_CHANGE_THRESHOLD);
if (status != EOK) {
WMA_LOGE("wmi_unified_cmd_send WMI_ROAM_SCAN_RSSI_CHANGE_THRESHOLD returned Error %d",
status);
cdf_status = CDF_STATUS_E_FAILURE;
goto error;
}
WMA_LOGI(FL("roam_scan_rssi_change_thresh=%d, bcn_rssi_weight=%d"),
rssi_change_thresh, bcn_rssi_weight);
WMA_LOGI(FL("hirssi_delay_btw_scans=%d"), hirssi_delay_btw_scans);
return CDF_STATUS_SUCCESS;
error:
wmi_buf_free(buf);
return cdf_status;
}
/**
* wma_roam_scan_offload_chan_list() - set roam offload channel list
* @wma_handle: wma handle
* @chan_count: channel count
* @chan_list: channel list
* @list_type: list type
* @vdev_id: vdev id
*
* Set roam offload channel list.
*
* Return: CDF status
*/
CDF_STATUS wma_roam_scan_offload_chan_list(tp_wma_handle wma_handle,
uint8_t chan_count,
uint8_t *chan_list,
uint8_t list_type, uint32_t vdev_id)
{
CDF_STATUS cdf_status = CDF_STATUS_SUCCESS;
wmi_buf_t buf = NULL;
int status = 0;
int len, list_tlv_len;
int i;
uint8_t *buf_ptr;
wmi_roam_chan_list_fixed_param *chan_list_fp;
A_UINT32 *roam_chan_list_array;
if (chan_count == 0) {
WMA_LOGD("%s : invalid number of channels %d", __func__,
chan_count);
return CDF_STATUS_E_EMPTY;
}
/* Channel list is a table of 2 TLV's */
list_tlv_len = WMI_TLV_HDR_SIZE + chan_count * sizeof(A_UINT32);
len = sizeof(wmi_roam_chan_list_fixed_param) + list_tlv_len;
buf = wmi_buf_alloc(wma_handle->wmi_handle, len);
if (!buf) {
WMA_LOGE("%s : wmi_buf_alloc failed", __func__);
return CDF_STATUS_E_NOMEM;
}
buf_ptr = (uint8_t *) wmi_buf_data(buf);
chan_list_fp = (wmi_roam_chan_list_fixed_param *) buf_ptr;
WMITLV_SET_HDR(&chan_list_fp->tlv_header,
WMITLV_TAG_STRUC_wmi_roam_chan_list_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_roam_chan_list_fixed_param));
chan_list_fp->vdev_id = vdev_id;
chan_list_fp->num_chan = chan_count;
if (chan_count > 0 && list_type == CHANNEL_LIST_STATIC) {
/* external app is controlling channel list */
chan_list_fp->chan_list_type =
WMI_ROAM_SCAN_CHAN_LIST_TYPE_STATIC;
} else {
/* umac supplied occupied channel list in LFR */
chan_list_fp->chan_list_type =
WMI_ROAM_SCAN_CHAN_LIST_TYPE_DYNAMIC;
}
buf_ptr += sizeof(wmi_roam_chan_list_fixed_param);
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_UINT32,
(chan_list_fp->num_chan * sizeof(uint32_t)));
roam_chan_list_array = (A_UINT32 *) (buf_ptr + WMI_TLV_HDR_SIZE);
WMA_LOGI("%s: %d channels = ", __func__, chan_list_fp->num_chan);
for (i = 0; ((i < chan_list_fp->num_chan) &&
(i < SIR_ROAM_MAX_CHANNELS)); i++) {
roam_chan_list_array[i] = cds_chan_to_freq(chan_list[i]);
WMA_LOGI("%d,", roam_chan_list_array[i]);
}
status = wmi_unified_cmd_send(wma_handle->wmi_handle, buf,
len, WMI_ROAM_CHAN_LIST);
if (status != EOK) {
WMA_LOGE("wmi_unified_cmd_send WMI_ROAM_CHAN_LIST returned Error %d",
status);
cdf_status = CDF_STATUS_E_FAILURE;
goto error;
}
WMA_LOGI("%s: WMA --> WMI_ROAM_SCAN_CHAN_LIST", __func__);
return CDF_STATUS_SUCCESS;
error:
wmi_buf_free(buf);
return cdf_status;
}
/**
* e_csr_auth_type_to_rsn_authmode() - map csr auth type to rsn authmode
* @authtype: CSR authtype
* @encr: CSR Encryption
*
* Map CSR's authentication type into RSN auth mode used by firmware
*
* Return: WMI RSN auth mode
*/
A_UINT32 e_csr_auth_type_to_rsn_authmode(eCsrAuthType authtype,
eCsrEncryptionType encr)
{
switch (authtype) {
case eCSR_AUTH_TYPE_OPEN_SYSTEM:
return WMI_AUTH_OPEN;
case eCSR_AUTH_TYPE_WPA:
return WMI_AUTH_WPA;
case eCSR_AUTH_TYPE_WPA_PSK:
return WMI_AUTH_WPA_PSK;
case eCSR_AUTH_TYPE_RSN:
return WMI_AUTH_RSNA;
case eCSR_AUTH_TYPE_RSN_PSK:
return WMI_AUTH_RSNA_PSK;
#if defined WLAN_FEATURE_VOWIFI_11R
case eCSR_AUTH_TYPE_FT_RSN:
return WMI_AUTH_FT_RSNA;
case eCSR_AUTH_TYPE_FT_RSN_PSK:
return WMI_AUTH_FT_RSNA_PSK;
#endif /* WLAN_FEATURE_VOWIFI_11R */
#ifdef FEATURE_WLAN_WAPI
case eCSR_AUTH_TYPE_WAPI_WAI_CERTIFICATE:
return WMI_AUTH_WAPI;
case eCSR_AUTH_TYPE_WAPI_WAI_PSK:
return WMI_AUTH_WAPI_PSK;
#endif /* FEATURE_WLAN_WAPI */
#ifdef FEATURE_WLAN_ESE
case eCSR_AUTH_TYPE_CCKM_WPA:
case eCSR_AUTH_TYPE_CCKM_RSN:
return WMI_AUTH_CCKM;
#endif /* FEATURE_WLAN_ESE */
#ifdef WLAN_FEATURE_11W
case eCSR_AUTH_TYPE_RSN_PSK_SHA256:
return WMI_AUTH_RSNA_PSK_SHA256;
case eCSR_AUTH_TYPE_RSN_8021X_SHA256:
return WMI_AUTH_RSNA_8021X_SHA256;
#endif /* WLAN_FEATURE_11W */
case eCSR_AUTH_TYPE_NONE:
case eCSR_AUTH_TYPE_AUTOSWITCH:
/* In case of WEP and other keys, NONE means OPEN auth */
if (encr == eCSR_ENCRYPT_TYPE_WEP40_STATICKEY ||
encr == eCSR_ENCRYPT_TYPE_WEP104_STATICKEY ||
encr == eCSR_ENCRYPT_TYPE_WEP40 ||
encr == eCSR_ENCRYPT_TYPE_WEP104 ||
encr == eCSR_ENCRYPT_TYPE_TKIP ||
encr == eCSR_ENCRYPT_TYPE_AES) {
return WMI_AUTH_OPEN;
}
return WMI_AUTH_NONE;
default:
return WMI_AUTH_NONE;
}
}
/**
* e_csr_encryption_type_to_rsn_cipherset() - map csr enc type to ESN cipher
* @encr: CSR Encryption
*
* Map CSR's encryption type into RSN cipher types used by firmware
*
* Return: WMI RSN cipher
*/
A_UINT32 e_csr_encryption_type_to_rsn_cipherset(eCsrEncryptionType encr)
{
switch (encr) {
case eCSR_ENCRYPT_TYPE_WEP40_STATICKEY:
case eCSR_ENCRYPT_TYPE_WEP104_STATICKEY:
case eCSR_ENCRYPT_TYPE_WEP40:
case eCSR_ENCRYPT_TYPE_WEP104:
return WMI_CIPHER_WEP;
case eCSR_ENCRYPT_TYPE_TKIP:
return WMI_CIPHER_TKIP;
case eCSR_ENCRYPT_TYPE_AES:
return WMI_CIPHER_AES_CCM;
#ifdef FEATURE_WLAN_WAPI
case eCSR_ENCRYPT_TYPE_WPI:
return WMI_CIPHER_WAPI;
#endif /* FEATURE_WLAN_WAPI */
case eCSR_ENCRYPT_TYPE_ANY:
return WMI_CIPHER_ANY;
case eCSR_ENCRYPT_TYPE_NONE:
default:
return WMI_CIPHER_NONE;
}
}
/**
* wma_roam_scan_fill_ap_profile() - fill ap_profile
* @wma_handle: wma handle
* @pMac: Mac ptr
* @roam_req: roam offload scan request
* @ap_profile_p: ap profile
*
* Fill ap_profile structure from configured parameters
*
* Return: none
*/
void wma_roam_scan_fill_ap_profile(tp_wma_handle wma_handle,
tpAniSirGlobal pMac,
tSirRoamOffloadScanReq *roam_req,
wmi_ap_profile *ap_profile_p)
{
cdf_mem_zero(ap_profile_p, sizeof(wmi_ap_profile));
if (roam_req == NULL) {
ap_profile_p->ssid.ssid_len = 0;
ap_profile_p->ssid.ssid[0] = 0;
ap_profile_p->rsn_authmode = WMI_AUTH_NONE;
ap_profile_p->rsn_ucastcipherset = WMI_CIPHER_NONE;
ap_profile_p->rsn_mcastcipherset = WMI_CIPHER_NONE;
ap_profile_p->rsn_mcastmgmtcipherset = WMI_CIPHER_NONE;
ap_profile_p->rssi_threshold = WMA_ROAM_RSSI_DIFF_DEFAULT;
} else {
ap_profile_p->ssid.ssid_len =
roam_req->ConnectedNetwork.ssId.length;
cdf_mem_copy(ap_profile_p->ssid.ssid,
roam_req->ConnectedNetwork.ssId.ssId,
ap_profile_p->ssid.ssid_len);
ap_profile_p->rsn_authmode =
e_csr_auth_type_to_rsn_authmode(roam_req->ConnectedNetwork.authentication,
roam_req->ConnectedNetwork.encryption);
ap_profile_p->rsn_ucastcipherset =
e_csr_encryption_type_to_rsn_cipherset(roam_req->ConnectedNetwork.encryption);
ap_profile_p->rsn_mcastcipherset =
e_csr_encryption_type_to_rsn_cipherset(roam_req->ConnectedNetwork.mcencryption);
ap_profile_p->rsn_mcastmgmtcipherset =
ap_profile_p->rsn_mcastcipherset;
ap_profile_p->rssi_threshold = roam_req->RoamRssiDiff;
#ifdef WLAN_FEATURE_11W
if (roam_req->ConnectedNetwork.mfp_enabled)
ap_profile_p->flags |= WMI_AP_PROFILE_FLAG_PMF;
#endif
}
}
/**
* wma_roam_scan_scan_params() - fill roam scan params
* @wma_handle: wma handle
* @pMac: Mac ptr
* @scan_params: scan parameters
* @roam_req: NULL if this routine is called before connect
* It will be non-NULL if called after assoc.
*
* Fill scan_params structure from configured parameters
*
* Return: none
*/
void wma_roam_scan_fill_scan_params(tp_wma_handle wma_handle,
tpAniSirGlobal pMac,
tSirRoamOffloadScanReq *roam_req,
wmi_start_scan_cmd_fixed_param *
scan_params)
{
uint8_t channels_per_burst = 0;
uint32_t val = 0;
if (NULL == pMac) {
WMA_LOGE("%s: pMac is NULL", __func__);
return;
}
cdf_mem_zero(scan_params, sizeof(wmi_start_scan_cmd_fixed_param));
scan_params->scan_ctrl_flags = WMI_SCAN_ADD_CCK_RATES |
WMI_SCAN_ADD_OFDM_RATES;
if (roam_req != NULL) {
/* Parameters updated after association is complete */
WMA_LOGI("%s: Input parameters: NeighborScanChannelMinTime"
" = %d, NeighborScanChannelMaxTime = %d",
__func__,
roam_req->NeighborScanChannelMinTime,
roam_req->NeighborScanChannelMaxTime);
WMA_LOGI("%s: Input parameters: NeighborScanTimerPeriod ="
" %d, HomeAwayTime = %d, nProbes = %d",
__func__,
roam_req->NeighborScanTimerPeriod,
roam_req->HomeAwayTime, roam_req->nProbes);
/*
* roam_req->NeighborScanChannelMaxTime = SCAN_CHANNEL_TIME
* roam_req->HomeAwayTime = SCAN_HOME_AWAY_TIME
* roam_req->NeighborScanTimerPeriod = SCAN_HOME_TIME
*
* scan_params->dwell_time_active = time station stays on channel
* and sends probes;
* scan_params->dwell_time_passive = time station stays on channel
* and listens probes;
* scan_params->burst_duration = time station goes off channel
* to scan;
*/
if (wlan_cfg_get_int
(pMac, WNI_CFG_PASSIVE_MAXIMUM_CHANNEL_TIME,
&val) != eSIR_SUCCESS) {
/*
* Could not get max channel value from CFG. Log error.
*/
WMA_LOGE
("could not retrieve passive max channel value");
/* use a default value of 110ms */
val = WMA_ROAM_DWELL_TIME_PASSIVE_DEFAULT;
}
scan_params->dwell_time_passive = val;
/*
* Here is the formula,
* T(HomeAway) = N * T(dwell) + (N+1) * T(cs)
* where N is number of channels scanned in single burst
*/
scan_params->dwell_time_active =
roam_req->NeighborScanChannelMaxTime;
if (roam_req->HomeAwayTime <
2 * WMA_ROAM_SCAN_CHANNEL_SWITCH_TIME) {
/* clearly we can't follow home away time.
* Make it a split scan.
*/
scan_params->burst_duration = 0;
} else {
channels_per_burst =
(roam_req->HomeAwayTime -
WMA_ROAM_SCAN_CHANNEL_SWITCH_TIME)
/ (scan_params->dwell_time_active +
WMA_ROAM_SCAN_CHANNEL_SWITCH_TIME);
if (channels_per_burst < 1) {
/* dwell time and home away time conflicts */
/* we will override dwell time */
scan_params->dwell_time_active =
roam_req->HomeAwayTime -
2 * WMA_ROAM_SCAN_CHANNEL_SWITCH_TIME;
scan_params->burst_duration =
scan_params->dwell_time_active;
} else {
scan_params->burst_duration =
channels_per_burst *
scan_params->dwell_time_active;
}
}
if (roam_req->allowDFSChannelRoam ==
SIR_ROAMING_DFS_CHANNEL_ENABLED_NORMAL
&& roam_req->HomeAwayTime > 0
&& roam_req->ChannelCacheType != CHANNEL_LIST_STATIC) {
/* Roaming on DFS channels is supported and it is not
* app channel list. It is ok to override homeAwayTime
* to accomodate DFS dwell time in burst
* duration.
*/
scan_params->burst_duration =
CDF_MAX(scan_params->burst_duration,
scan_params->dwell_time_passive);
}
scan_params->min_rest_time = roam_req->NeighborScanTimerPeriod;
scan_params->max_rest_time = roam_req->NeighborScanTimerPeriod;
scan_params->repeat_probe_time = (roam_req->nProbes > 0) ?
CDF_MAX(scan_params->dwell_time_active / roam_req->nProbes,
1) : 0;
scan_params->probe_spacing_time = 0;
scan_params->probe_delay = 0;
/* 30 seconds for full scan cycle */
scan_params->max_scan_time = WMA_HW_DEF_SCAN_MAX_DURATION;
scan_params->idle_time = scan_params->min_rest_time;
scan_params->n_probes = roam_req->nProbes;
if (roam_req->allowDFSChannelRoam ==
SIR_ROAMING_DFS_CHANNEL_DISABLED) {
scan_params->scan_ctrl_flags |= WMI_SCAN_BYPASS_DFS_CHN;
} else {
/* Roaming scan on DFS channel is allowed.
* No need to change any flags for default
* allowDFSChannelRoam = 1.
* Special case where static channel list is given by\
* application that contains DFS channels.
* Assume that the application has knowledge of matching
* APs being active and that probe request transmission
* is permitted on those channel.
* Force active scans on those channels.
*/
if (roam_req->allowDFSChannelRoam ==
SIR_ROAMING_DFS_CHANNEL_ENABLED_ACTIVE &&
roam_req->ChannelCacheType == CHANNEL_LIST_STATIC &&
roam_req->ConnectedNetwork.ChannelCount > 0) {
scan_params->scan_ctrl_flags |=
WMI_SCAN_FLAG_FORCE_ACTIVE_ON_DFS;
}
}
} else {
/* roam_req = NULL during initial or pre-assoc invocation */
scan_params->dwell_time_active =
WMA_ROAM_DWELL_TIME_ACTIVE_DEFAULT;
scan_params->dwell_time_passive =
WMA_ROAM_DWELL_TIME_PASSIVE_DEFAULT;
scan_params->min_rest_time = WMA_ROAM_MIN_REST_TIME_DEFAULT;
scan_params->max_rest_time = WMA_ROAM_MAX_REST_TIME_DEFAULT;
scan_params->repeat_probe_time = 0;
scan_params->probe_spacing_time = 0;
scan_params->probe_delay = 0;
scan_params->max_scan_time = WMA_HW_DEF_SCAN_MAX_DURATION;
scan_params->idle_time = scan_params->min_rest_time;
scan_params->burst_duration = 0;
scan_params->n_probes = 0;
}
WMA_LOGI("%s: Rome roam scan parameters:"
" dwell_time_active = %d, dwell_time_passive = %d",
__func__,
scan_params->dwell_time_active,
scan_params->dwell_time_passive);
WMA_LOGI("%s: min_rest_time = %d, max_rest_time = %d,"
" repeat_probe_time = %d n_probes = %d",
__func__,
scan_params->min_rest_time,
scan_params->max_rest_time,
scan_params->repeat_probe_time, scan_params->n_probes);
WMA_LOGI("%s: max_scan_time = %d, idle_time = %d,"
" burst_duration = %d, scan_ctrl_flags = 0x%x",
__func__,
scan_params->max_scan_time,
scan_params->idle_time,
scan_params->burst_duration, scan_params->scan_ctrl_flags);
}
/**
* wma_roam_scan_offload_ap_profile() - set roam ap profile in fw
* @wma_handle: wma handle
* @ap_profile_p: ap profile
* @vdev_id: vdev id
*
* Send WMI_ROAM_AP_PROFILE to firmware
*
* Return: CDF status
*/
CDF_STATUS wma_roam_scan_offload_ap_profile(tp_wma_handle wma_handle,
wmi_ap_profile *ap_profile_p,
uint32_t vdev_id)
{
CDF_STATUS cdf_status = CDF_STATUS_SUCCESS;
wmi_buf_t buf = NULL;
int status = 0;
int len;
uint8_t *buf_ptr;
wmi_roam_ap_profile_fixed_param *roam_ap_profile_fp;
len = sizeof(wmi_roam_ap_profile_fixed_param) + sizeof(wmi_ap_profile);
buf = wmi_buf_alloc(wma_handle->wmi_handle, len);
if (!buf) {
WMA_LOGE("%s : wmi_buf_alloc failed", __func__);
return CDF_STATUS_E_NOMEM;
}
buf_ptr = (uint8_t *) wmi_buf_data(buf);
roam_ap_profile_fp = (wmi_roam_ap_profile_fixed_param *) buf_ptr;
WMITLV_SET_HDR(&roam_ap_profile_fp->tlv_header,
WMITLV_TAG_STRUC_wmi_roam_ap_profile_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_roam_ap_profile_fixed_param));
/* fill in threshold values */
roam_ap_profile_fp->vdev_id = vdev_id;
roam_ap_profile_fp->id = 0;
buf_ptr += sizeof(wmi_roam_ap_profile_fixed_param);
cdf_mem_copy(buf_ptr, ap_profile_p, sizeof(wmi_ap_profile));
WMITLV_SET_HDR(buf_ptr,
WMITLV_TAG_STRUC_wmi_ap_profile,
WMITLV_GET_STRUCT_TLVLEN(wmi_ap_profile));
status = wmi_unified_cmd_send(wma_handle->wmi_handle, buf,
len, WMI_ROAM_AP_PROFILE);
if (status != EOK) {
WMA_LOGE("wmi_unified_cmd_send WMI_ROAM_AP_PROFILE returned Error %d",
status);
cdf_status = CDF_STATUS_E_FAILURE;
goto error;
}
WMA_LOGI("WMA --> WMI_ROAM_AP_PROFILE and other parameters");
return CDF_STATUS_SUCCESS;
error:
wmi_buf_free(buf);
return cdf_status;
}
/**
* wma_roam_scan_filter() - Filter to be applied while roaming
* @wma_handle: Global WMA Handle
* @roam_req: Request which contains the filters
*
* There are filters such as whitelist, blacklist and preferred
* list that need to be applied to the scan results to form the
* probable candidates for roaming.
*
* Return: Return success upon succesfully passing the
* parameters to the firmware, otherwise failure.
*/
CDF_STATUS wma_roam_scan_filter(tp_wma_handle wma_handle,
tSirRoamOffloadScanReq *roam_req)
{
wmi_buf_t buf = NULL;
int status = 0, i;
uint32_t len, num_bssid_black_list = 0, num_ssid_white_list = 0,
num_bssid_preferred_list = 0;
uint32_t op_bitmap = 0;
uint8_t *buf_ptr;
wmi_roam_filter_fixed_param *roam_filter;
uint8_t *bssid_src_ptr = NULL;
wmi_mac_addr *bssid_dst_ptr = NULL;
wmi_ssid *ssid_ptr = NULL;
uint32_t *bssid_preferred_factor_ptr = NULL;
struct roam_ext_params *roam_params;
roam_params = &roam_req->roam_params;
len = sizeof(wmi_roam_filter_fixed_param);
len += WMI_TLV_HDR_SIZE;
if (roam_req->Command != ROAM_SCAN_OFFLOAD_STOP) {
switch (roam_req->reason) {
case REASON_ROAM_SET_BLACKLIST_BSSID:
op_bitmap |= 0x1;
num_bssid_black_list =
roam_params->num_bssid_avoid_list;
len += num_bssid_black_list * sizeof(wmi_mac_addr);
len += WMI_TLV_HDR_SIZE;
break;
case REASON_ROAM_SET_SSID_ALLOWED:
op_bitmap |= 0x2;
num_ssid_white_list =
roam_params->num_ssid_allowed_list;
len += num_ssid_white_list * sizeof(wmi_ssid);
len += WMI_TLV_HDR_SIZE;
break;
case REASON_ROAM_SET_FAVORED_BSSID:
op_bitmap |= 0x4;
num_bssid_preferred_list =
roam_params->num_bssid_favored;
len += num_bssid_preferred_list * sizeof(wmi_mac_addr);
len += WMI_TLV_HDR_SIZE;
len += num_bssid_preferred_list * sizeof(A_UINT32);
break;
default:
WMA_LOGD("%s : Roam Filter need not be sent", __func__);
return CDF_STATUS_SUCCESS;
break;
}
} else {
/* In case of STOP command, reset all the variables
* except for blacklist BSSID which should be retained
* across connections.*/
op_bitmap = 0x2 | 0x4;
num_ssid_white_list = roam_params->num_ssid_allowed_list;
len += num_ssid_white_list * sizeof(wmi_ssid);
num_bssid_preferred_list = roam_params->num_bssid_favored;
len += num_bssid_preferred_list * sizeof(wmi_mac_addr);
len += num_bssid_preferred_list * sizeof(A_UINT32);
len += (2 * WMI_TLV_HDR_SIZE);
}
buf = wmi_buf_alloc(wma_handle->wmi_handle, len);
if (!buf) {
WMA_LOGE("%s : wmi_buf_alloc failed", __func__);
return CDF_STATUS_E_NOMEM;
}
buf_ptr = (u_int8_t *) wmi_buf_data(buf);
roam_filter = (wmi_roam_filter_fixed_param *) buf_ptr;
WMITLV_SET_HDR(&roam_filter->tlv_header,
WMITLV_TAG_STRUC_wmi_roam_filter_fixed_param,
WMITLV_GET_STRUCT_TLVLEN(wmi_roam_filter_fixed_param));
/* fill in fixed values */
roam_filter->vdev_id = roam_req->sessionId;
roam_filter->flags = 0;
roam_filter->op_bitmap = op_bitmap;
roam_filter->num_bssid_black_list = num_bssid_black_list;
roam_filter->num_ssid_white_list = num_ssid_white_list;
roam_filter->num_bssid_preferred_list = num_bssid_preferred_list;
buf_ptr += sizeof(wmi_roam_filter_fixed_param);
WMITLV_SET_HDR((buf_ptr),
WMITLV_TAG_ARRAY_FIXED_STRUC,
(num_bssid_black_list * sizeof(wmi_mac_addr)));
bssid_src_ptr = (uint8_t *)&roam_params->bssid_avoid_list;
bssid_dst_ptr = (wmi_mac_addr *)(buf_ptr + WMI_TLV_HDR_SIZE);
for (i = 0; i < num_bssid_black_list; i++) {
WMI_CHAR_ARRAY_TO_MAC_ADDR(bssid_src_ptr, bssid_dst_ptr);
bssid_src_ptr += ATH_MAC_LEN;
bssid_dst_ptr++;
}
buf_ptr += WMI_TLV_HDR_SIZE +
(num_bssid_black_list * sizeof(wmi_mac_addr));
WMITLV_SET_HDR((buf_ptr),
WMITLV_TAG_ARRAY_FIXED_STRUC,
(num_ssid_white_list * sizeof(wmi_ssid)));
ssid_ptr = (wmi_ssid *)(buf_ptr + WMI_TLV_HDR_SIZE);
for (i = 0; i < num_ssid_white_list; i++) {
memcpy(&ssid_ptr->ssid, &roam_params->ssid_allowed_list[i].ssId,
roam_params->ssid_allowed_list[i].length);
ssid_ptr->ssid_len = roam_params->ssid_allowed_list[i].length;
WMA_LOGD("%s: SSID length=%d", __func__, ssid_ptr->ssid_len);
CDF_TRACE_HEX_DUMP(CDF_MODULE_ID_WMA, CDF_TRACE_LEVEL_DEBUG,
(uint8_t *)ssid_ptr->ssid,
ssid_ptr->ssid_len);
ssid_ptr++;
}
buf_ptr += WMI_TLV_HDR_SIZE + (num_ssid_white_list * sizeof(wmi_ssid));
WMITLV_SET_HDR((buf_ptr),
WMITLV_TAG_ARRAY_FIXED_STRUC,
(num_bssid_preferred_list * sizeof(wmi_mac_addr)));
bssid_src_ptr = (uint8_t *)&roam_params->bssid_favored;
bssid_dst_ptr = (wmi_mac_addr *)(buf_ptr + WMI_TLV_HDR_SIZE);
for (i = 0; i < num_bssid_preferred_list; i++) {
WMI_CHAR_ARRAY_TO_MAC_ADDR(bssid_src_ptr,
(wmi_mac_addr *)bssid_dst_ptr);
bssid_src_ptr += ATH_MAC_LEN;
bssid_dst_ptr++;
}
buf_ptr += WMI_TLV_HDR_SIZE +
(num_bssid_preferred_list * sizeof(wmi_mac_addr));
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_UINT32,
(num_bssid_preferred_list * sizeof(uint32_t)));
bssid_preferred_factor_ptr = (uint32_t *)(buf_ptr + WMI_TLV_HDR_SIZE);
for (i = 0; i < num_bssid_preferred_list; i++) {
*bssid_preferred_factor_ptr =
roam_params->bssid_favored_factor[i];
bssid_preferred_factor_ptr++;
}
buf_ptr += WMI_TLV_HDR_SIZE +
(num_bssid_preferred_list * sizeof(uint32_t));
status = wmi_unified_cmd_send(wma_handle->wmi_handle, buf,
len, WMI_ROAM_FILTER_CMDID);
if (status != EOK) {
WMA_LOGE("cmd WMI_ROAM_FILTER_CMDID returned Error %d",
status);
goto error;
}
return CDF_STATUS_SUCCESS;
error:
wmi_buf_free(buf);
return CDF_STATUS_E_FAILURE;
}
/**
* wma_roam_scan_bmiss_cnt() - set bmiss count to fw
* @wma_handle: wma handle
* @first_bcnt: first bmiss count
* @final_bcnt: final bmiss count
* @vdev_id: vdev id
*
* set first & final biss count to fw.
*
* Return: CDF status
*/
CDF_STATUS wma_roam_scan_bmiss_cnt(tp_wma_handle wma_handle,
A_INT32 first_bcnt,
A_UINT32 final_bcnt, uint32_t vdev_id)
{
int status = 0;
WMA_LOGI("%s: first_bcnt=%d, final_bcnt=%d", __func__, first_bcnt,
final_bcnt);
status = wmi_unified_vdev_set_param_send(wma_handle->wmi_handle,
vdev_id,
WMI_VDEV_PARAM_BMISS_FIRST_BCNT,
first_bcnt);
if (status != EOK) {
WMA_LOGE("wmi_unified_vdev_set_param_send WMI_VDEV_PARAM_BMISS_FIRST_BCNT returned Error %d",
status);
return CDF_STATUS_E_FAILURE;
}
status = wmi_unified_vdev_set_param_send(wma_handle->wmi_handle,
vdev_id,
WMI_VDEV_PARAM_BMISS_FINAL_BCNT,
final_bcnt);
if (status != EOK) {
WMA_LOGE("wmi_unified_vdev_set_param_send WMI_VDEV_PARAM_BMISS_FINAL_BCNT returned Error %d",
status);
return CDF_STATUS_E_FAILURE;
}
return CDF_STATUS_SUCCESS;
}
/**
* wma_roam_scan_offload_command() - set roam offload command
* @wma_handle: wma handle
* @command: command
* @vdev_id: vdev id
*
* This function set roam offload command to fw.
*
* Return: CDF status
*/
CDF_STATUS wma_roam_scan_offload_command(tp_wma_handle wma_handle,
uint32_t command, uint32_t vdev_id)
{
CDF_STATUS cdf_status;
wmi_roam_scan_cmd_fixed_param *cmd_fp;
wmi_buf_t buf = NULL;
int status = 0;
int len;
uint8_t *buf_ptr;
len = sizeof(wmi_roam_scan_cmd_fixed_param);
buf = wmi_buf_alloc(wma_handle->wmi_handle, len);
if (!buf) {
WMA_LOGE("%s : wmi_buf_alloc failed", __func__);
return CDF_STATUS_E_NOMEM;
}
buf_ptr = (uint8_t *) wmi_buf_data(buf);
cmd_fp = (wmi_roam_scan_cmd_fixed_param *) buf_ptr;
WMITLV_SET_HDR(&cmd_fp->tlv_header,
WMITLV_TAG_STRUC_wmi_roam_scan_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN(wmi_roam_scan_cmd_fixed_param));
cmd_fp->vdev_id = vdev_id;
cmd_fp->command_arg = command;
status = wmi_unified_cmd_send(wma_handle->wmi_handle, buf,
len, WMI_ROAM_SCAN_CMD);
if (status != EOK) {
WMA_LOGE("wmi_unified_cmd_send WMI_ROAM_SCAN_CMD returned Error %d",
status);
cdf_status = CDF_STATUS_E_FAILURE;
goto error;
}
WMA_LOGI("%s: WMA --> WMI_ROAM_SCAN_CMD", __func__);
return CDF_STATUS_SUCCESS;
error:
wmi_buf_free(buf);
return cdf_status;
}
/**
* wma_process_roam_scan_req() - process roam request
* @wma_handle: wma handle
* @roam_req: roam request parameters
*
* Main routine to handle ROAM commands coming from CSR module.
*
* Return: CDF status
*/
CDF_STATUS wma_process_roam_scan_req(tp_wma_handle wma_handle,
tSirRoamOffloadScanReq *roam_req)
{
CDF_STATUS cdf_status = CDF_STATUS_SUCCESS;
wmi_start_scan_cmd_fixed_param scan_params;
wmi_ap_profile ap_profile;
tpAniSirGlobal pMac = cds_get_context(CDF_MODULE_ID_PE);
uint32_t mode = 0;
struct wma_txrx_node *intr = NULL;
WMA_LOGI("%s: command 0x%x, reason %d", __func__, roam_req->Command,
roam_req->reason);
if (NULL == pMac) {
WMA_LOGE("%s: pMac is NULL", __func__);
return CDF_STATUS_E_FAILURE;
}
if (!wma_handle->roam_offload_enabled) {
/* roam scan offload is not enabled in firmware.
* Cannot initialize it in the middle of connection.
*/
cdf_mem_free(roam_req);
return CDF_STATUS_E_PERM;
}
switch (roam_req->Command) {
case ROAM_SCAN_OFFLOAD_START:
intr = &wma_handle->interfaces[roam_req->sessionId];
intr->delay_before_vdev_stop = roam_req->delay_before_vdev_stop;
/*
* Scan/Roam threshold parameters are translated from fields of
* tSirRoamOffloadScanReq to WMITLV values sent to Rome firmware.
* some of these parameters are configurable in qcom_cfg.ini file.
*/
/* First parameter is positive rssi value to trigger rssi based scan.
* Opportunistic scan is started at 30 dB higher that trigger rssi.
*/
wma_handle->suitable_ap_hb_failure = false;
cdf_status = wma_roam_scan_offload_rssi_thresh(wma_handle,
roam_req);
if (cdf_status != CDF_STATUS_SUCCESS)
break;
cdf_status = wma_roam_scan_bmiss_cnt(wma_handle,
roam_req->RoamBmissFirstBcnt,
roam_req->RoamBmissFinalBcnt,
roam_req->sessionId);
if (cdf_status != CDF_STATUS_SUCCESS)
break;
/* Opportunistic scan runs on a timer, value set by
* EmptyRefreshScanPeriod. Age out the entries after 3 such
* cycles.
*/
if (roam_req->EmptyRefreshScanPeriod > 0) {
cdf_status =
wma_roam_scan_offload_scan_period(wma_handle,
roam_req->EmptyRefreshScanPeriod,
roam_req->EmptyRefreshScanPeriod * 3,
roam_req->sessionId);
if (cdf_status != CDF_STATUS_SUCCESS)
break;
mode = WMI_ROAM_SCAN_MODE_PERIODIC;
/* Don't use rssi triggered roam scans if external app
* is in control of channel list.
*/
if (roam_req->ChannelCacheType != CHANNEL_LIST_STATIC)
mode |= WMI_ROAM_SCAN_MODE_RSSI_CHANGE;
} else {
mode = WMI_ROAM_SCAN_MODE_RSSI_CHANGE;
}
/* Start new rssi triggered scan only if it changes by RoamRssiDiff value.
* Beacon weight of 14 means average rssi is taken over 14 previous samples +
* 2 times the current beacon's rssi.
*/
cdf_status = wma_roam_scan_offload_rssi_change(wma_handle,
roam_req->sessionId,
roam_req->RoamRescanRssiDiff,
roam_req->RoamBeaconRssiWeight,
roam_req->hi_rssi_scan_delay);
if (cdf_status != CDF_STATUS_SUCCESS)
break;
wma_roam_scan_fill_ap_profile(wma_handle, pMac, roam_req,
&ap_profile);
cdf_status = wma_roam_scan_offload_ap_profile(wma_handle,
&ap_profile,
roam_req->sessionId);
if (cdf_status != CDF_STATUS_SUCCESS)
break;
cdf_status = wma_roam_scan_offload_chan_list(wma_handle,
roam_req->ConnectedNetwork.ChannelCount,
&roam_req->ConnectedNetwork.ChannelCache[0],
roam_req->ChannelCacheType,
roam_req->sessionId);
if ((cdf_status != CDF_STATUS_SUCCESS) &&
(cdf_status != CDF_STATUS_E_EMPTY))
break;
wma_roam_scan_fill_scan_params(wma_handle, pMac, roam_req,
&scan_params);
cdf_status =
wma_roam_scan_offload_mode(wma_handle, &scan_params,
roam_req, mode,
roam_req->sessionId);
if (cdf_status != CDF_STATUS_SUCCESS)
break;
cdf_status = wma_roam_scan_filter(wma_handle, roam_req);
if (cdf_status != CDF_STATUS_SUCCESS) {
WMA_LOGE("Sending start for roam scan filter failed");
break;
}
break;
case ROAM_SCAN_OFFLOAD_STOP:
wma_handle->suitable_ap_hb_failure = false;
if (wma_handle->roam_offload_enabled) {
wma_roam_scan_fill_scan_params(wma_handle, pMac,
NULL, &scan_params);
cdf_status = wma_roam_scan_offload_mode(wma_handle,
&scan_params,
NULL,
WMI_ROAM_SCAN_MODE_NONE,
roam_req->sessionId);
}
/*
* If the STOP command is due to a disconnect, then
* send the filter command to clear all the filter
* entries. If it is roaming scenario, then do not
* send the cleared entries.
*/
if (!roam_req->middle_of_roaming) {
cdf_status = wma_roam_scan_filter(wma_handle, roam_req);
if (cdf_status != CDF_STATUS_SUCCESS) {
WMA_LOGE("clear for roam scan filter failed");
break;
}
}
if (roam_req->reason ==
REASON_OS_REQUESTED_ROAMING_NOW) {
cds_msg_t cds_msg;
tSirRoamOffloadScanRsp *scan_offload_rsp;
scan_offload_rsp =
cdf_mem_malloc(sizeof(*scan_offload_rsp));
if (!scan_offload_rsp) {
WMA_LOGE("%s: Alloc failed for scan_offload_rsp",
__func__);
cdf_mem_free(roam_req);
return CDF_STATUS_E_NOMEM;
}
cds_msg.type = eWNI_SME_ROAM_SCAN_OFFLOAD_RSP;
scan_offload_rsp->sessionId = roam_req->sessionId;
scan_offload_rsp->reason = roam_req->reason;
cds_msg.bodyptr = scan_offload_rsp;
/*
* Since REASSOC request is processed in
* Roam_Scan_Offload_Rsp post a dummy rsp msg back to
* SME with proper reason code.
*/
if (CDF_STATUS_SUCCESS !=
cds_mq_post_message(CDS_MQ_ID_SME,
(cds_msg_t *) &cds_msg)) {
cdf_mem_free(scan_offload_rsp);
CDF_TRACE(CDF_MODULE_ID_WMA,
CDF_TRACE_LEVEL_INFO,
"%s: Failed to post Scan Offload Rsp to UMAC",
__func__);
}
}
break;
case ROAM_SCAN_OFFLOAD_ABORT_SCAN:
/* If roam scan is running, stop that cycle.
* It will continue automatically on next trigger.
*/
cdf_status = wma_roam_scan_offload_command(wma_handle,
WMI_ROAM_SCAN_STOP_CMD,
roam_req->sessionId);
break;
case ROAM_SCAN_OFFLOAD_RESTART:
/* Rome offload engine does not stop after any scan.
* If this command is sent because all preauth attempts failed
* and WMI_ROAM_REASON_SUITABLE_AP event was received earlier,
* now it is time to call it heartbeat failure.
*/
if ((roam_req->reason == REASON_PREAUTH_FAILED_FOR_ALL)
&& wma_handle->suitable_ap_hb_failure) {
WMA_LOGE("%s: Sending heartbeat failure after preauth failures",
__func__);
wma_beacon_miss_handler(wma_handle,
roam_req->sessionId);
wma_handle->suitable_ap_hb_failure = false;
}
break;
case ROAM_SCAN_OFFLOAD_UPDATE_CFG:
wma_handle->suitable_ap_hb_failure = false;
wma_roam_scan_fill_scan_params(wma_handle, pMac, roam_req,
&scan_params);
cdf_status =
wma_roam_scan_offload_mode(wma_handle, &scan_params,
roam_req,
WMI_ROAM_SCAN_MODE_NONE,
roam_req->sessionId);
if (cdf_status != CDF_STATUS_SUCCESS)
break;
if (roam_req->RoamScanOffloadEnabled == false)
break;
cdf_status = wma_roam_scan_bmiss_cnt(wma_handle,
roam_req->RoamBmissFirstBcnt,
roam_req->RoamBmissFinalBcnt,
roam_req->sessionId);
if (cdf_status != CDF_STATUS_SUCCESS)
break;
cdf_status = wma_roam_scan_filter(wma_handle, roam_req);
if (cdf_status != CDF_STATUS_SUCCESS) {
WMA_LOGE("Sending update for roam scan filter failed");
break;
}
/*
* Runtime (after association) changes to rssi thresholds and
* other parameters.
*/
cdf_status = wma_roam_scan_offload_chan_list(wma_handle,
roam_req->ConnectedNetwork.ChannelCount,
&roam_req->ConnectedNetwork.ChannelCache[0],
roam_req->ChannelCacheType,
roam_req->sessionId);
/*
* Even though the channel list is empty, we can
* still go ahead and start Roaming.
*/
if ((cdf_status != CDF_STATUS_SUCCESS) &&
(cdf_status != CDF_STATUS_E_EMPTY))
break;
cdf_status = wma_roam_scan_offload_rssi_thresh(wma_handle,
roam_req);
if (cdf_status != CDF_STATUS_SUCCESS)
break;
if (roam_req->EmptyRefreshScanPeriod > 0) {
cdf_status =
wma_roam_scan_offload_scan_period(wma_handle,
roam_req->EmptyRefreshScanPeriod,
roam_req->EmptyRefreshScanPeriod * 3,
roam_req->sessionId);
if (cdf_status != CDF_STATUS_SUCCESS)
break;
mode = WMI_ROAM_SCAN_MODE_PERIODIC;
/* Don't use rssi triggered roam scans if external app
* is in control of channel list.
*/
if (roam_req->ChannelCacheType != CHANNEL_LIST_STATIC)
mode |= WMI_ROAM_SCAN_MODE_RSSI_CHANGE;
} else {
mode = WMI_ROAM_SCAN_MODE_RSSI_CHANGE;
}
cdf_status = wma_roam_scan_offload_rssi_change(wma_handle,
roam_req->sessionId,
roam_req->RoamRescanRssiDiff,
roam_req->RoamBeaconRssiWeight,
roam_req->hi_rssi_scan_delay);
if (cdf_status != CDF_STATUS_SUCCESS)
break;
wma_roam_scan_fill_ap_profile(wma_handle, pMac, roam_req,
&ap_profile);
cdf_status =
wma_roam_scan_offload_ap_profile(wma_handle, &ap_profile,
roam_req->sessionId);
if (cdf_status != CDF_STATUS_SUCCESS)
break;
wma_roam_scan_fill_scan_params(wma_handle, pMac, roam_req,
&scan_params);
cdf_status =
wma_roam_scan_offload_mode(wma_handle, &scan_params,
roam_req, mode,
roam_req->sessionId);
break;
default:
break;
}
cdf_mem_free(roam_req);
return cdf_status;
}
/**
* wma_roam_preauth_chan_set() - set preauth channel
* @wma_handle: wma handle
* @params: switch channel params
* @vdev_id: vdev id
*
* Send a single channel passive scan request
* to handle set_channel operation for preauth
*
* Return: CDF atatus
*/
CDF_STATUS wma_roam_preauth_chan_set(tp_wma_handle wma_handle,
tpSwitchChannelParams params,
uint8_t vdev_id)
{
CDF_STATUS cdf_status = CDF_STATUS_SUCCESS;
tSirScanOffloadReq scan_req;
uint8_t bssid[IEEE80211_ADDR_LEN] = {
0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
WMA_LOGI("%s: channel %d", __func__, params->channelNumber);
/* Check for prior operation in progress */
if (wma_handle->roam_preauth_chan_context != NULL) {
cdf_status = CDF_STATUS_E_FAILURE;
WMA_LOGE("%s: Rejected request. Previous operation in progress",
__func__);
goto send_resp;
}
wma_handle->roam_preauth_chan_context = params;
/* Prepare a dummy scan request and get the
* wmi_start_scan_cmd_fixed_param structure filled properly
*/
cdf_mem_zero(&scan_req, sizeof(scan_req));
cdf_copy_macaddr((struct cdf_mac_addr *) &scan_req.bssId,
(struct cdf_mac_addr *) bssid);
cdf_copy_macaddr((struct cdf_mac_addr *) &scan_req.selfMacAddr,
(struct cdf_mac_addr *) &params->selfStaMacAddr);
scan_req.channelList.numChannels = 1;
scan_req.channelList.channelNumber[0] = params->channelNumber;
scan_req.numSsid = 0;
scan_req.minChannelTime = WMA_ROAM_PREAUTH_SCAN_TIME;
scan_req.maxChannelTime = WMA_ROAM_PREAUTH_SCAN_TIME;
scan_req.scanType = eSIR_PASSIVE_SCAN;
scan_req.p2pScanType = P2P_SCAN_TYPE_LISTEN;
scan_req.sessionId = vdev_id;
wma_get_scan_id(&scan_req.scan_id);
wma_handle->roam_preauth_chanfreq =
cds_chan_to_freq(params->channelNumber);
/* set the state in advance before calling wma_start_scan and be ready
* to handle scan events from firmware. Otherwise print statments
* in wma_start_can create a race condition.
*/
wma_handle->roam_preauth_scan_state = WMA_ROAM_PREAUTH_CHAN_REQUESTED;
cdf_status = wma_start_scan(wma_handle, &scan_req, WMA_CHNL_SWITCH_REQ);
if (cdf_status == CDF_STATUS_SUCCESS)
return cdf_status;
wma_handle->roam_preauth_scan_state = WMA_ROAM_PREAUTH_CHAN_NONE;
/* Failed operation. Safely clear context */
wma_handle->roam_preauth_chan_context = NULL;
send_resp:
WMA_LOGI("%s: sending WMA_SWITCH_CHANNEL_RSP, status = 0x%x",
__func__, cdf_status);
params->chainMask = wma_handle->pdevconfig.txchainmask;
params->smpsMode = SMPS_MODE_DISABLED;
params->status = cdf_status;
wma_send_msg(wma_handle, WMA_SWITCH_CHANNEL_RSP, (void *)params, 0);
return cdf_status;
}
/**
* wma_roam_preauth_chan_cancel() - cancel preauth scan
* @wma_handle: wma handle
* @params: switch channel parameters
* @vdev_id: vdev id
*
* Return: CDF status
*/
CDF_STATUS wma_roam_preauth_chan_cancel(tp_wma_handle wma_handle,
tpSwitchChannelParams params,
uint8_t vdev_id)
{
tAbortScanParams abort_scan_req;
CDF_STATUS cdf_status = CDF_STATUS_SUCCESS;
WMA_LOGI("%s: channel %d", __func__, params->channelNumber);
/* Check for prior operation in progress */
if (wma_handle->roam_preauth_chan_context != NULL) {
cdf_status = CDF_STATUS_E_FAILURE;
WMA_LOGE("%s: Rejected request. Previous operation in progress",
__func__);
goto send_resp;
}
wma_handle->roam_preauth_chan_context = params;
abort_scan_req.SessionId = vdev_id;
wma_handle->roam_preauth_scan_state =
WMA_ROAM_PREAUTH_CHAN_CANCEL_REQUESTED;
cdf_status = wma_stop_scan(wma_handle, &abort_scan_req);
if (cdf_status == CDF_STATUS_SUCCESS)
return cdf_status;
/* Failed operation. Safely clear context */
wma_handle->roam_preauth_chan_context = NULL;
send_resp:
WMA_LOGI("%s: sending WMA_SWITCH_CHANNEL_RSP, status = 0x%x",
__func__, cdf_status);
params->chainMask = wma_handle->pdevconfig.txchainmask;
params->smpsMode = SMPS_MODE_DISABLED;
params->status = cdf_status;
wma_send_msg(wma_handle, WMA_SWITCH_CHANNEL_RSP, (void *)params, 0);
return cdf_status;
}
/**
* wma_roam_preauth_scan_event_handler() - preauth scan event handler
* @wma_handle: wma handle
* @vdev_id: vdev id
* @wmi_event: event data
*
* This function handles preauth scan event and send appropriate
* message to upper layers.
*
* Return: none
*/
void wma_roam_preauth_scan_event_handler(tp_wma_handle wma_handle,
uint8_t vdev_id,
wmi_scan_event_fixed_param *
wmi_event)
{
CDF_STATUS cdf_status = CDF_STATUS_SUCCESS;
tSwitchChannelParams *params;
WMA_LOGI("%s: preauth_scan_state %d, event 0x%x, reason 0x%x",
__func__, wma_handle->roam_preauth_scan_state,
wmi_event->event, wmi_event->reason);
switch (wma_handle->roam_preauth_scan_state) {
case WMA_ROAM_PREAUTH_CHAN_REQUESTED:
if (wmi_event->event & WMI_SCAN_EVENT_FOREIGN_CHANNEL) {
/* complete set_chan request */
wma_handle->roam_preauth_scan_state =
WMA_ROAM_PREAUTH_ON_CHAN;
cdf_status = CDF_STATUS_SUCCESS;
} else if (wmi_event->event & WMI_SCAN_FINISH_EVENTS) {
/* Failed to get preauth channel or finished (unlikely) */
wma_handle->roam_preauth_scan_state =
WMA_ROAM_PREAUTH_CHAN_NONE;
cdf_status = CDF_STATUS_E_FAILURE;
} else
return;
break;
case WMA_ROAM_PREAUTH_CHAN_CANCEL_REQUESTED:
/* Completed or cancelled, complete set_chan cancel request */
wma_handle->roam_preauth_scan_state =
WMA_ROAM_PREAUTH_CHAN_NONE;
break;
case WMA_ROAM_PREAUTH_ON_CHAN:
if ((wmi_event->event & WMI_SCAN_EVENT_BSS_CHANNEL) ||
(wmi_event->event & WMI_SCAN_FINISH_EVENTS))
wma_handle->roam_preauth_scan_state =
WMA_ROAM_PREAUTH_CHAN_COMPLETED;
/* There is no WMA request to complete. Next set channel request will
* look at this state and complete it.
*/
break;
default:
WMA_LOGE("%s: unhandled event 0x%x, reason 0x%x",
__func__, wmi_event->event, wmi_event->reason);
return;
}
params = (tpSwitchChannelParams) wma_handle->roam_preauth_chan_context;
if (params) {
WMA_LOGI("%s: sending WMA_SWITCH_CHANNEL_RSP, status = 0x%x",
__func__, cdf_status);
params->chainMask = wma_handle->pdevconfig.txchainmask;
params->smpsMode = SMPS_MODE_DISABLED;
params->status = cdf_status;
wma_send_msg(wma_handle, WMA_SWITCH_CHANNEL_RSP, (void *)params,
0);
wma_handle->roam_preauth_chan_context = NULL;
}
}
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
/**
* wma_process_roam_invoke() - send roam invoke command to fw.
* @handle: wma handle
* @roaminvoke: roam invoke command
*
* Send roam invoke command to fw for fastreassoc.
*
* Return: none
*/
void wma_process_roam_invoke(WMA_HANDLE handle,
struct wma_roam_invoke_cmd *roaminvoke)
{
tp_wma_handle wma_handle = (tp_wma_handle) handle;
wmi_roam_invoke_cmd_fixed_param *cmd;
wmi_buf_t wmi_buf;
u_int8_t *buf_ptr;
u_int16_t len, args_tlv_len;
A_UINT32 *channel_list;
wmi_mac_addr *bssid_list;
if (!wma_handle || !wma_handle->wmi_handle) {
WMA_LOGE("%s: WMA is closed, can not send roam invoke",
__func__);
return;
}
/* Host sends only one channel and one bssid */
args_tlv_len = 2 * WMI_TLV_HDR_SIZE + sizeof(A_UINT32) +
sizeof(wmi_mac_addr);
len = sizeof(wmi_roam_invoke_cmd_fixed_param) + args_tlv_len;
wmi_buf = wmi_buf_alloc(wma_handle->wmi_handle, len);
if (!wmi_buf) {
WMA_LOGE("%s: wmai_buf_alloc failed", __func__);
return;
}
cmd = (wmi_roam_invoke_cmd_fixed_param *)wmi_buf_data(wmi_buf);
buf_ptr = (u_int8_t *) cmd;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_roam_invoke_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN(wmi_roam_invoke_cmd_fixed_param));
cmd->vdev_id = roaminvoke->vdev_id;
cmd->flags = 0;
cmd->roam_scan_mode = 0;
cmd->roam_ap_sel_mode = 0;
cmd->roam_delay = 0;
cmd->num_chan = 1;
cmd->num_bssid = 1;
buf_ptr += sizeof(wmi_roam_invoke_cmd_fixed_param);
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_UINT32,
(sizeof(u_int32_t)));
channel_list = (A_UINT32 *)(buf_ptr + WMI_TLV_HDR_SIZE);
*channel_list = (A_UINT32)cds_chan_to_freq(roaminvoke->channel);
buf_ptr += sizeof(A_UINT32) + WMI_TLV_HDR_SIZE;
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_FIXED_STRUC,
(sizeof(wmi_mac_addr)));
bssid_list = (wmi_mac_addr *)(buf_ptr + WMI_TLV_HDR_SIZE);
WMI_CHAR_ARRAY_TO_MAC_ADDR(roaminvoke->bssid, bssid_list);
if (wmi_unified_cmd_send(wma_handle->wmi_handle, wmi_buf, len,
WMI_ROAM_INVOKE_CMDID)) {
WMA_LOGP("%s: failed to send roam invoke command", __func__);
wmi_buf_free(wmi_buf);
return;
}
return;
}
/**
* wma_process_roam_synch_fail() -roam synch failure handle
* @handle: wma handle
* @synch_fail: roam synch fail parameters
*
* Return: none
*/
void wma_process_roam_synch_fail(WMA_HANDLE handle,
struct roam_offload_synch_fail *synch_fail)
{
tp_wma_handle wma_handle = (tp_wma_handle) handle;
if (!wma_handle || !wma_handle->wmi_handle) {
WMA_LOGE("%s: WMA is closed, can not clean-up roam synch",
__func__);
return;
}
/* Hand Off Failure could happen as an exception, when a roam synch
* indication is posted to Host, but a roam synch complete is not
* posted to the firmware.So, clear the roam synch in progress
* flag before disconnecting the session through this event.*/
wma_handle->interfaces[synch_fail->session_id].roam_synch_in_progress =
false;
}
/**
* wma_roam_synch_event_handler() - roam synch event handler
* @handle: wma handle
* @event: event data
* @len: length of data
*
* This function is roam synch event handler. It sends roam
* indication for upper layer.
*/
int wma_roam_synch_event_handler(void *handle, uint8_t *event,
uint32_t len)
{
WMI_ROAM_SYNCH_EVENTID_param_tlvs *param_buf = NULL;
wmi_roam_synch_event_fixed_param *synch_event = NULL;
uint8_t *bcn_probersp_ptr = NULL;
uint8_t *reassoc_rsp_ptr = NULL;
tp_wma_handle wma = (tp_wma_handle) handle;
wmi_channel *chan = NULL;
wmi_key_material *key = NULL;
int size = 0;
roam_offload_synch_ind *roam_synch_ind_ptr;
WMA_LOGD("LFR3:%s", __func__);
if (!event) {
WMA_LOGE("%s: event param null", __func__);
return -EINVAL;
}
param_buf = (WMI_ROAM_SYNCH_EVENTID_param_tlvs *) event;
if (!param_buf) {
WMA_LOGE("%s: received null buf from target", __func__);
return -EINVAL;
}
synch_event = param_buf->fixed_param;
if (!synch_event) {
WMA_LOGE("%s: received null event data from target", __func__);
return -EINVAL;
}
if (wma->interfaces[synch_event->vdev_id].roam_synch_in_progress) {
WMA_LOGE("%s: Ignoring RSI since one is already in progress",
__func__);
return -EINVAL;
}
wma->interfaces[synch_event->vdev_id].roam_synch_in_progress = true;
len = sizeof(roam_offload_synch_ind) +
synch_event->bcn_probe_rsp_len + synch_event->reassoc_rsp_len;
roam_synch_ind_ptr =
(roam_offload_synch_ind *) cdf_mem_malloc(len);
if (!roam_synch_ind_ptr) {
WMA_LOGE("%s: failed to allocate memory for roam_synch_event",
__func__);
return -ENOMEM;
}
/* abort existing scan if any */
if (wma->interfaces[synch_event->vdev_id].scan_info.scan_id != 0) {
tAbortScanParams abort_scan;
WMA_LOGD("LFR3: Aborting Scan with scan_id=%d\n",
wma->interfaces[synch_event->vdev_id].scan_info.scan_id);
abort_scan.SessionId = synch_event->vdev_id;
wma_stop_scan(wma, &abort_scan);
}
roam_synch_ind_ptr->messageType = eWNI_SME_ROAM_OFFLOAD_SYNCH_IND;
roam_synch_ind_ptr->length = size;
roam_synch_ind_ptr->roamedVdevId = synch_event->vdev_id;
roam_synch_ind_ptr->authStatus = synch_event->auth_status;
roam_synch_ind_ptr->roamReason = synch_event->roam_reason;
roam_synch_ind_ptr->rssi = synch_event->rssi;
roam_synch_ind_ptr->isBeacon = synch_event->is_beacon;
WMI_MAC_ADDR_TO_CHAR_ARRAY(&synch_event->bssid,
roam_synch_ind_ptr->bssId);
roam_synch_ind_ptr->beaconProbeRespOffset =
sizeof(roam_offload_synch_ind);
bcn_probersp_ptr =
(uint8_t *) roam_synch_ind_ptr +
roam_synch_ind_ptr->beaconProbeRespOffset;
roam_synch_ind_ptr->beaconProbeRespLength =
synch_event->bcn_probe_rsp_len;
cdf_mem_copy(bcn_probersp_ptr, param_buf->bcn_probe_rsp_frame,
roam_synch_ind_ptr->beaconProbeRespLength);
roam_synch_ind_ptr->reassocRespOffset =
sizeof(roam_offload_synch_ind) +
roam_synch_ind_ptr->beaconProbeRespLength;
roam_synch_ind_ptr->reassocRespLength = synch_event->reassoc_rsp_len;
reassoc_rsp_ptr = (uint8_t *) roam_synch_ind_ptr +
roam_synch_ind_ptr->reassocRespOffset;
cdf_mem_copy(reassoc_rsp_ptr,
param_buf->reassoc_rsp_frame,
roam_synch_ind_ptr->reassocRespLength);
chan = (wmi_channel *) param_buf->chan;
roam_synch_ind_ptr->chan_freq = chan->mhz;
key = (wmi_key_material *) param_buf->key;
if (key != NULL) {
CDF_TRACE_HEX_DUMP(CDF_MODULE_ID_WMA, CDF_TRACE_LEVEL_DEBUG,
key->replay_counter, SIR_REPLAY_CTR_LEN);
cdf_mem_copy(roam_synch_ind_ptr->kck, key->kck,
SIR_KCK_KEY_LEN);
cdf_mem_copy(roam_synch_ind_ptr->kek, key->kek,
SIR_KEK_KEY_LEN);
cdf_mem_copy(roam_synch_ind_ptr->replay_ctr,
key->replay_counter, SIR_REPLAY_CTR_LEN);
}
wma_send_msg(wma, WMA_ROAM_OFFLOAD_SYNCH_IND,
(void *) roam_synch_ind_ptr, 0);
return 0;
}
/**
* wma_rssi_breached_event_handler() - rssi breached event handler
* @handle: wma handle
* @cmd_param_info: event handler data
* @len: length of @cmd_param_info
*
* Return: 0 on success; error number otherwise
*/
int wma_rssi_breached_event_handler(void *handle,
u_int8_t *cmd_param_info, u_int32_t len)
{
WMI_RSSI_BREACH_EVENTID_param_tlvs *param_buf;
wmi_rssi_breach_event_fixed_param *event;
struct rssi_breach_event rssi;
tpAniSirGlobal mac = cds_get_context(CDF_MODULE_ID_PE);
if (!mac) {
WMA_LOGE("%s: Invalid mac context", __func__);
return -EINVAL;
}
if (!mac->sme.rssi_threshold_breached_cb) {
WMA_LOGE("%s: Callback not registered", __func__);
return -EINVAL;
}
param_buf = (WMI_RSSI_BREACH_EVENTID_param_tlvs *)cmd_param_info;
if (!param_buf) {
WMA_LOGE("%s: Invalid rssi breached event", __func__);
return -EINVAL;
}
event = param_buf->fixed_param;
rssi.request_id = event->request_id;
rssi.session_id = event->vdev_id;
rssi.curr_rssi = event->rssi + WMA_TGT_NOISE_FLOOR_DBM;
WMI_MAC_ADDR_TO_CHAR_ARRAY(&event->bssid, rssi.curr_bssid.bytes);
WMA_LOGD("%s: req_id: %u vdev_id: %d curr_rssi: %d", __func__,
rssi.request_id, rssi.session_id, rssi.curr_rssi);
WMA_LOGI("%s: curr_bssid: %pM", __func__, rssi.curr_bssid.bytes);
mac->sme.rssi_threshold_breached_cb(mac->hHdd, &rssi);
WMA_LOGD("%s: Invoke HDD rssi breached callback", __func__);
return 0;
}
/**
* wma_roam_scan_fill_self_caps() - fill capabilities
* @wma_handle: wma handle
* @roam_offload_params: offload parameters
* @roam_req: roam request
*
* This function fills roam self capablities.
*
* Return: CDF status
*/
CDF_STATUS wma_roam_scan_fill_self_caps(tp_wma_handle wma_handle,
wmi_roam_offload_tlv_param *
roam_offload_params,
tSirRoamOffloadScanReq *roam_req)
{
struct sAniSirGlobal *pMac = NULL;
tSirMacCapabilityInfo selfCaps;
uint32_t val = 0;
uint32_t nCfgValue;
uint16_t *pCfgValue16;
uint8_t nCfgValue8, *pCfgValue8;
tSirMacQosInfoStation macQosInfoSta;
union {
uint16_t nCfgValue16;
tSirMacHTCapabilityInfo htCapInfo;
tSirMacExtendedHTCapabilityInfo extHtCapInfo;
} uHTCapabilityInfo;
cdf_mem_set(&macQosInfoSta, sizeof(tSirMacQosInfoStation), 0);
/* Roaming is done only for INFRA STA type.
* So, ess will be one and ibss will be Zero */
pMac = cds_get_context(CDF_MODULE_ID_PE);
if (!pMac) {
WMA_LOGE("%s:NULL pMac ptr. Exiting", __func__);
CDF_ASSERT(0);
return CDF_STATUS_E_FAILURE;
}
if (wlan_cfg_get_int(pMac, WNI_CFG_PRIVACY_ENABLED, &val) != eSIR_SUCCESS) {
CDF_TRACE(CDF_MODULE_ID_WMA, CDF_TRACE_LEVEL_ERROR,
"Failed to get WNI_CFG_PRIVACY_ENABLED");
return CDF_STATUS_E_FAILURE;
}
selfCaps.ess = 1;
selfCaps.ibss = 0;
if (val)
selfCaps.privacy = 1;
if (wlan_cfg_get_int(pMac, WNI_CFG_SHORT_PREAMBLE, &val) != eSIR_SUCCESS) {
CDF_TRACE(CDF_MODULE_ID_WMA, CDF_TRACE_LEVEL_ERROR,
"Failed to get WNI_CFG_SHORT_PREAMBLE");
return CDF_STATUS_E_FAILURE;
}
if (val)
selfCaps.shortPreamble = 1;
selfCaps.pbcc = 0;
selfCaps.channelAgility = 0;
if (wlan_cfg_get_int(pMac, WNI_CFG_11G_SHORT_SLOT_TIME_ENABLED,
&val) != eSIR_SUCCESS) {
CDF_TRACE(CDF_MODULE_ID_WMA, CDF_TRACE_LEVEL_ERROR,
"Failed to get WNI_CFG_11G_SHORT_SLOT_TIME_ENABLED");
return CDF_STATUS_E_FAILURE;
}
if (val)
selfCaps.shortSlotTime = 1;
if (wlan_cfg_get_int(pMac, WNI_CFG_11H_ENABLED, &val) != eSIR_SUCCESS) {
CDF_TRACE(CDF_MODULE_ID_WMA, CDF_TRACE_LEVEL_ERROR,
"Failed to get WNI_CFG_11H_ENABLED");
return CDF_STATUS_E_FAILURE;
}
if (val)
selfCaps.spectrumMgt = 1;
if (wlan_cfg_get_int(pMac, WNI_CFG_QOS_ENABLED, &val) != eSIR_SUCCESS) {
CDF_TRACE(CDF_MODULE_ID_WMA, CDF_TRACE_LEVEL_ERROR,
"Failed to get WNI_CFG_QOS_ENABLED");
return CDF_STATUS_E_FAILURE;
}
if (val)
selfCaps.qos = 1;
if (wlan_cfg_get_int(pMac, WNI_CFG_APSD_ENABLED, &val) != eSIR_SUCCESS) {
CDF_TRACE(CDF_MODULE_ID_WMA, CDF_TRACE_LEVEL_ERROR,
"Failed to get WNI_CFG_APSD_ENABLED");
return CDF_STATUS_E_FAILURE;
}
if (val)
selfCaps.apsd = 1;
if (wlan_cfg_get_int(pMac, WNI_CFG_RRM_ENABLED, &val) != eSIR_SUCCESS) {
CDF_TRACE(CDF_MODULE_ID_WMA, CDF_TRACE_LEVEL_ERROR,
"Failed to get WNI_CFG_RRM_ENABLED");
return CDF_STATUS_E_FAILURE;
}
if (val)
selfCaps.rrm = 1;
if (wlan_cfg_get_int(pMac, WNI_CFG_BLOCK_ACK_ENABLED, &val) !=
eSIR_SUCCESS) {
CDF_TRACE(CDF_MODULE_ID_WMA, CDF_TRACE_LEVEL_ERROR,
"Failed to get WNI_CFG_BLOCK_ACK_ENABLED");
return CDF_STATUS_E_FAILURE;
}
selfCaps.delayedBA =
(uint16_t) ((val >> WNI_CFG_BLOCK_ACK_ENABLED_DELAYED) & 1);
selfCaps.immediateBA =
(uint16_t) ((val >> WNI_CFG_BLOCK_ACK_ENABLED_IMMEDIATE) & 1);
pCfgValue16 = (uint16_t *) &selfCaps;
roam_offload_params->capability = (*pCfgValue16) & 0xFFFF;
if (wlan_cfg_get_int(pMac, WNI_CFG_HT_CAP_INFO, &nCfgValue) !=
eSIR_SUCCESS) {
CDF_TRACE(CDF_MODULE_ID_WMA, CDF_TRACE_LEVEL_ERROR,
"Failed to get WNI_CFG_HT_CAP_INFO");
return CDF_STATUS_E_FAILURE;
}
uHTCapabilityInfo.nCfgValue16 = nCfgValue & 0xFFFF;
roam_offload_params->ht_caps_info =
uHTCapabilityInfo.nCfgValue16 & 0xFFFF;
if (wlan_cfg_get_int(pMac, WNI_CFG_HT_AMPDU_PARAMS, &nCfgValue) !=
eSIR_SUCCESS) {
CDF_TRACE(CDF_MODULE_ID_WMA, CDF_TRACE_LEVEL_ERROR,
"Failed to get WNI_CFG_HT_AMPDU_PARAMS");
return CDF_STATUS_E_FAILURE;
}
/* tSirMacHTParametersInfo */
nCfgValue8 = (uint8_t) nCfgValue;
roam_offload_params->ampdu_param = (nCfgValue8) & 0xFF;
val = ROAM_OFFLOAD_NUM_MCS_SET;
if (wlan_cfg_get_str(pMac, WNI_CFG_SUPPORTED_MCS_SET,
(uint8_t *) roam_offload_params->mcsset,
&val) != eSIR_SUCCESS) {
CDF_TRACE(CDF_MODULE_ID_WMA, CDF_TRACE_LEVEL_ERROR,
"Failed to get WNI_CFG_SUPPORTED_MCS_SET");
return CDF_STATUS_E_FAILURE;
}
if (wlan_cfg_get_int(pMac, WNI_CFG_EXT_HT_CAP_INFO, &nCfgValue) !=
eSIR_SUCCESS) {
CDF_TRACE(CDF_MODULE_ID_WMA, CDF_TRACE_LEVEL_ERROR,
"Failed to get WNI_CFG_EXT_HT_CAP_INFO");
return CDF_STATUS_E_FAILURE;
}
/* uHTCapabilityInfo.extHtCapInfo */
uHTCapabilityInfo.nCfgValue16 = nCfgValue & 0xFFFF;
roam_offload_params->ht_ext_cap =
uHTCapabilityInfo.nCfgValue16 & 0xFFFF;
if (wlan_cfg_get_int(pMac, WNI_CFG_TX_BF_CAP, &nCfgValue) != eSIR_SUCCESS) {
CDF_TRACE(CDF_MODULE_ID_WMA, CDF_TRACE_LEVEL_ERROR,
"Failed to get WNI_CFG_TX_BF_CAP");
return CDF_STATUS_E_FAILURE;
}
/* tSirMacTxBFCapabilityInfo */
nCfgValue8 = (uint8_t) nCfgValue;
roam_offload_params->ht_txbf = nCfgValue8 & 0xFF;
if (wlan_cfg_get_int(pMac, WNI_CFG_AS_CAP, &nCfgValue) != eSIR_SUCCESS) {
CDF_TRACE(CDF_MODULE_ID_WMA, CDF_TRACE_LEVEL_ERROR,
"Failed to get WNI_CFG_AS_CAP");
return CDF_STATUS_E_FAILURE;
}
/* tSirMacASCapabilityInfo */
nCfgValue8 = (uint8_t) nCfgValue;
roam_offload_params->asel_cap = nCfgValue8 & 0xFF;
/* QOS Info */
if (wlan_cfg_get_int(pMac, WNI_CFG_MAX_SP_LENGTH, &nCfgValue) !=
eSIR_SUCCESS) {
CDF_TRACE(CDF_MODULE_ID_WMA, CDF_TRACE_LEVEL_ERROR,
"Failed to get WNI_CFG_MAX_SP_LENGTH");
return CDF_STATUS_E_FAILURE;
}
nCfgValue8 = (uint8_t) nCfgValue;
macQosInfoSta.maxSpLen = nCfgValue8;
macQosInfoSta.moreDataAck = 0;
macQosInfoSta.qack = 0;
macQosInfoSta.acbe_uapsd = roam_req->AcUapsd.acbe_uapsd;
macQosInfoSta.acbk_uapsd = roam_req->AcUapsd.acbk_uapsd;
macQosInfoSta.acvi_uapsd = roam_req->AcUapsd.acvi_uapsd;
macQosInfoSta.acvo_uapsd = roam_req->AcUapsd.acvo_uapsd;
pCfgValue8 = (uint8_t *) &macQosInfoSta;
/* macQosInfoSta Only queue_request is set.Refer to
* populate_dot11f_wmm_caps for more details
*/
roam_offload_params->qos_caps = (*pCfgValue8) & 0xFF;
roam_offload_params->wmm_caps = 0x4 & 0xFF;
return CDF_STATUS_SUCCESS;
}
/**
* wma_set_ric_req() - set ric request element
* @wma: wma handle
* @msg: message
* @is_add_ts: is addts required
*
* This function sets ric request element for 11r roaming.
*
* Return: none
*/
void wma_set_ric_req(tp_wma_handle wma, void *msg, uint8_t is_add_ts)
{
wmi_ric_request_fixed_param *cmd;
wmi_ric_tspec *tspec_param;
wmi_buf_t buf;
uint8_t *buf_ptr;
tSirMacTspecIE *ptspecIE;
int32_t len = sizeof(wmi_ric_request_fixed_param) +
WMI_TLV_HDR_SIZE + sizeof(wmi_ric_tspec);
buf = wmi_buf_alloc(wma->wmi_handle, len);
if (!buf) {
WMA_LOGP("%s: wmi_buf_alloc failed", __func__);
return;
}
buf_ptr = (uint8_t *) wmi_buf_data(buf);
cmd = (wmi_ric_request_fixed_param *) buf_ptr;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_ric_request_fixed_param,
WMITLV_GET_STRUCT_TLVLEN(wmi_ric_request_fixed_param));
if (is_add_ts)
cmd->vdev_id = ((tAddTsParams *) msg)->sessionId;
else
cmd->vdev_id = ((tDelTsParams *) msg)->sessionId;
cmd->num_ric_request = 1; /* Today we are sending only 1 ric at once */
cmd->is_add_ric = is_add_ts;
buf_ptr += sizeof(wmi_ric_request_fixed_param);
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC, sizeof(wmi_ric_tspec));
buf_ptr += WMI_TLV_HDR_SIZE;
tspec_param = (wmi_ric_tspec *) buf_ptr;
WMITLV_SET_HDR(&tspec_param->tlv_header,
WMITLV_TAG_STRUC_wmi_ric_tspec,
WMITLV_GET_STRUCT_TLVLEN(wmi_ric_tspec));
if (is_add_ts)
ptspecIE = &(((tAddTsParams *) msg)->tspec);
else
ptspecIE = &(((tDelTsParams *) msg)->delTsInfo.tspec);
/* Fill the tsinfo in the format expected by firmware */
#ifndef ANI_LITTLE_BIT_ENDIAN
cdf_mem_copy(((uint8_t *) &tspec_param->ts_info) + 1,
((uint8_t *) &ptspecIE->tsinfo) + 1, 2);
#else
cdf_mem_copy(((uint8_t *) &tspec_param->ts_info),
((uint8_t *) &ptspecIE->tsinfo) + 1, 2);
#endif /* ANI_LITTLE_BIT_ENDIAN */
tspec_param->nominal_msdu_size = ptspecIE->nomMsduSz;
tspec_param->maximum_msdu_size = ptspecIE->maxMsduSz;
tspec_param->min_service_interval = ptspecIE->minSvcInterval;
tspec_param->max_service_interval = ptspecIE->maxSvcInterval;
tspec_param->inactivity_interval = ptspecIE->inactInterval;
tspec_param->suspension_interval = ptspecIE->suspendInterval;
tspec_param->svc_start_time = ptspecIE->svcStartTime;
tspec_param->min_data_rate = ptspecIE->minDataRate;
tspec_param->mean_data_rate = ptspecIE->meanDataRate;
tspec_param->peak_data_rate = ptspecIE->peakDataRate;
tspec_param->max_burst_size = ptspecIE->maxBurstSz;
tspec_param->delay_bound = ptspecIE->delayBound;
tspec_param->min_phy_rate = ptspecIE->minPhyRate;
tspec_param->surplus_bw_allowance = ptspecIE->surplusBw;
tspec_param->medium_time = 0;
WMA_LOGI("%s: Set RIC Req is_add_ts:%d", __func__, is_add_ts);
if (wmi_unified_cmd_send(wma->wmi_handle, buf, len,
WMI_ROAM_SET_RIC_REQUEST_CMDID)) {
WMA_LOGP("%s: Failed to send vdev Set RIC Req command",
__func__);
if (is_add_ts)
((tAddTsParams *) msg)->status = CDF_STATUS_E_FAILURE;
cdf_nbuf_free(buf);
}
}
#endif /* WLAN_FEATURE_ROAM_OFFLOAD */
/**
* wma_process_unit_test_cmd() - send unit test command to fw.
* @handle: wma handle
* @wma_utest: unit test command
*
* This function send unit test command to fw.
*
* Return: none
*/
void wma_process_unit_test_cmd(WMA_HANDLE handle,
t_wma_unit_test_cmd *wma_utest)
{
tp_wma_handle wma_handle = (tp_wma_handle) handle;
wmi_unit_test_cmd_fixed_param *cmd;
wmi_buf_t wmi_buf;
uint8_t *buf_ptr;
int i;
uint16_t len, args_tlv_len;
A_UINT32 *unit_test_cmd_args;
args_tlv_len =
WMI_TLV_HDR_SIZE + wma_utest->num_args * sizeof(A_UINT32);
len = sizeof(wmi_unit_test_cmd_fixed_param) + args_tlv_len;
if (!wma_handle || !wma_handle->wmi_handle) {
WMA_LOGE("%s: WMA is closed, can not issue fw unit test cmd",
__func__);
return;
}
wmi_buf = wmi_buf_alloc(wma_handle->wmi_handle, len);
if (!wmi_buf) {
WMA_LOGE("%s: wmai_buf_alloc failed", __func__);
return;
}
cmd = (wmi_unit_test_cmd_fixed_param *) wmi_buf_data(wmi_buf);
buf_ptr = (uint8_t *) cmd;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_unit_test_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN(wmi_unit_test_cmd_fixed_param));
cmd->vdev_id = wma_utest->vdev_id;
cmd->module_id = wma_utest->module_id;
cmd->num_args = wma_utest->num_args;
buf_ptr += sizeof(wmi_unit_test_cmd_fixed_param);
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_UINT32,
(wma_utest->num_args * sizeof(uint32_t)));
unit_test_cmd_args = (A_UINT32 *) (buf_ptr + WMI_TLV_HDR_SIZE);
WMA_LOGI("%s: %d num of args = ", __func__, wma_utest->num_args);
for (i = 0; (i < wma_utest->num_args && i < WMA_MAX_NUM_ARGS); i++) {
unit_test_cmd_args[i] = wma_utest->args[i];
WMA_LOGI("%d,", wma_utest->args[i]);
}
if (wmi_unified_cmd_send(wma_handle->wmi_handle, wmi_buf, len,
WMI_UNIT_TEST_CMDID)) {
WMA_LOGP("%s: failed to send unit test command", __func__);
cdf_nbuf_free(wmi_buf);
return;
}
return;
}
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
/**
* wma_roam_ho_fail_handler() - LFR3.0 roam hand off failed handler
* @wma: wma handle
* @vdev_id: vdev id
*
* Return: none
*/
static void wma_roam_ho_fail_handler(tp_wma_handle wma, uint32_t vdev_id)
{
tSirSmeHOFailureInd *ho_failure_ind;
cds_msg_t sme_msg = { 0 };
CDF_STATUS cdf_status;
ho_failure_ind = cdf_mem_malloc(sizeof(tSirSmeHOFailureInd));
if (NULL == ho_failure_ind) {
WMA_LOGE("%s: Memory allocation failure", __func__);
return;
}
ho_failure_ind->sessionId = vdev_id;
sme_msg.type = eWNI_SME_HO_FAIL_IND;
sme_msg.bodyptr = ho_failure_ind;
sme_msg.bodyval = 0;
cdf_status = cds_mq_post_message(CDF_MODULE_ID_SME, &sme_msg);
if (!CDF_IS_STATUS_SUCCESS(cdf_status)) {
WMA_LOGE("Fail to post eWNI_SME_HO_FAIL_IND msg to SME");
cdf_mem_free(ho_failure_ind);
return;
}
return;
}
/**
* wma_process_roam_synch_complete() - roam synch complete command to fw.
* @handle: wma handle
* @synchcnf: offload synch confirmation params
*
* This function sends roam synch complete event to fw.
*
* Return: none
*/
void wma_process_roam_synch_complete(WMA_HANDLE handle,
tSirSmeRoamOffloadSynchCnf *synchcnf)
{
tp_wma_handle wma_handle = (tp_wma_handle) handle;
wmi_roam_synch_complete_fixed_param *cmd;
wmi_buf_t wmi_buf;
uint8_t *buf_ptr;
uint16_t len;
bool roam_synch_in_progress;
len = sizeof(wmi_roam_synch_complete_fixed_param);
if (!wma_handle || !wma_handle->wmi_handle) {
WMA_LOGE("%s: WMA is closed, can not issue roam synch cnf",
__func__);
return;
}
roam_synch_in_progress =
wma_handle->interfaces[synchcnf->sessionId].roam_synch_in_progress;
if (roam_synch_in_progress == false) {
WMA_LOGE("%s: Dont send roam synch complete", __func__);
return;
} else {
wma_handle->interfaces[synchcnf->sessionId].roam_synch_in_progress =
false;
}
wmi_buf = wmi_buf_alloc(wma_handle->wmi_handle, len);
if (!wmi_buf) {
WMA_LOGE("%s: wmi_buf_alloc failed", __func__);
return;
}
cmd = (wmi_roam_synch_complete_fixed_param *) wmi_buf_data(wmi_buf);
buf_ptr = (uint8_t *) cmd;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_roam_synch_complete_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_roam_synch_complete_fixed_param));
cmd->vdev_id = synchcnf->sessionId;
if (wmi_unified_cmd_send(wma_handle->wmi_handle, wmi_buf, len,
WMI_ROAM_SYNCH_COMPLETE)) {
WMA_LOGP("%s: failed to send roam synch confirmation",
__func__);
cdf_nbuf_free(wmi_buf);
return;
}
return;
}
#endif /* WLAN_FEATURE_ROAM_OFFLOAD */
/**
* wma_set_channel() - set channel
* @wma: wma handle
* @params: switch channel parameters
*
* Return: none
*/
void wma_set_channel(tp_wma_handle wma, tpSwitchChannelParams params)
{
struct wma_vdev_start_req req;
struct wma_target_req *msg;
CDF_STATUS status = CDF_STATUS_SUCCESS;
uint8_t vdev_id, peer_id;
ol_txrx_peer_handle peer;
ol_txrx_pdev_handle pdev;
struct wma_txrx_node *intr = wma->interfaces;
struct sir_hw_mode_params hw_mode = {0};
WMA_LOGD("%s: Enter", __func__);
if (!wma_find_vdev_by_addr(wma, params->selfStaMacAddr, &vdev_id)) {
WMA_LOGP("%s: Failed to find vdev id for %pM",
__func__, params->selfStaMacAddr);
status = CDF_STATUS_E_FAILURE;
goto send_resp;
}
pdev = cds_get_context(CDF_MODULE_ID_TXRX);
if (NULL == pdev) {
WMA_LOGE("%s: Failed to get pdev", __func__);
status = CDF_STATUS_E_FAILURE;
goto send_resp;
}
peer = ol_txrx_find_peer_by_addr(pdev, intr[vdev_id].bssid, &peer_id);
/*
* Roam offload feature is currently supported
* only in STA mode. Other modes still require
* to issue a Vdev Start/Vdev Restart for
* channel change.
*/
if (((wma->interfaces[vdev_id].type == WMI_VDEV_TYPE_STA) &&
(wma->interfaces[vdev_id].sub_type == 0)) &&
!wma->interfaces[vdev_id].is_channel_switch) {
if (peer && (peer->state == ol_txrx_peer_state_conn ||
peer->state == ol_txrx_peer_state_auth)) {
/* Trying to change channel while connected
* should not invoke VDEV_START.
* Instead, use start scan command in passive
* mode to park station on that channel
*/
WMA_LOGI("%s: calling set_scan, state 0x%x",
__func__, wma->roam_preauth_scan_state);
if (wma->roam_preauth_scan_state ==
WMA_ROAM_PREAUTH_CHAN_NONE) {
/* Is channel change required?
*/
if (cds_chan_to_freq(params->channelNumber) !=
wma->interfaces[vdev_id].mhz) {
status = wma_roam_preauth_chan_set(wma,
params,
vdev_id);
/* response will be asynchronous */
return;
}
} else if (wma->roam_preauth_scan_state ==
WMA_ROAM_PREAUTH_CHAN_REQUESTED ||
wma->roam_preauth_scan_state ==
WMA_ROAM_PREAUTH_ON_CHAN) {
status =
wma_roam_preauth_chan_cancel(wma, params,
vdev_id);
/* response will be asynchronous */
return;
} else if (wma->roam_preauth_scan_state ==
WMA_ROAM_PREAUTH_CHAN_COMPLETED) {
/* Already back on home channel. Complete the request */
wma->roam_preauth_scan_state =
WMA_ROAM_PREAUTH_CHAN_NONE;
status = CDF_STATUS_SUCCESS;
}
goto send_resp;
}
}
cdf_mem_zero(&req, sizeof(req));
req.vdev_id = vdev_id;
msg = wma_fill_vdev_req(wma, req.vdev_id, WMA_CHNL_SWITCH_REQ,
WMA_TARGET_REQ_TYPE_VDEV_START, params,
WMA_VDEV_START_REQUEST_TIMEOUT);
if (!msg) {
WMA_LOGP("%s: Failed to fill channel switch request for vdev %d",
__func__, req.vdev_id);
status = CDF_STATUS_E_NOMEM;
goto send_resp;
}
req.chan = params->channelNumber;
req.chan_width = params->ch_width;
req.vht_capable = params->vhtCapable;
req.ch_center_freq_seg0 = params->ch_center_freq_seg0;
req.ch_center_freq_seg1 = params->ch_center_freq_seg1;
req.dot11_mode = params->dot11_mode;
status = wma_get_current_hw_mode(&hw_mode);
if (!CDF_IS_STATUS_SUCCESS(status))
WMA_LOGE("wma_get_current_hw_mode failed");
if ((params->nss == 2) && !hw_mode.dbs_cap) {
req.preferred_rx_streams = 2;
req.preferred_tx_streams = 2;
} else {
req.preferred_rx_streams = 1;
req.preferred_tx_streams = 1;
}
#ifdef WLAN_FEATURE_VOWIFI
req.max_txpow = params->maxTxPower;
#else
req.max_txpow = params->localPowerConstraint;
#endif /* WLAN_FEATURE_VOWIFI */
req.beacon_intval = 100;
req.dtim_period = 1;
req.is_dfs = params->isDfsChannel;
/* In case of AP mode, once radar is detected, we need to
* issuse VDEV RESTART, so we making is_channel_switch as
* true
*/
if ((wma_is_vdev_in_ap_mode(wma, req.vdev_id) == true) ||
(params->restart_on_chan_switch == true))
wma->interfaces[req.vdev_id].is_channel_switch = true;
status = wma_vdev_start(wma, &req,
wma->interfaces[req.vdev_id].is_channel_switch);
if (status != CDF_STATUS_SUCCESS) {
wma_remove_vdev_req(wma, req.vdev_id,
WMA_TARGET_REQ_TYPE_VDEV_START);
WMA_LOGP("%s: vdev start failed status = %d", __func__, status);
goto send_resp;
}
if (wma->interfaces[req.vdev_id].is_channel_switch)
wma->interfaces[req.vdev_id].is_channel_switch = false;
return;
send_resp:
WMA_LOGD("%s: channel %d ch_width %d txpower %d status %d", __func__,
params->channelNumber, params->ch_width,
#ifdef WLAN_FEATURE_VOWIFI
params->maxTxPower,
#else
params->localPowerConstraint,
#endif /* WLAN_FEATURE_VOWIFI */
status);
params->status = status;
WMA_LOGI("%s: sending WMA_SWITCH_CHANNEL_RSP, status = 0x%x",
__func__, status);
wma_send_msg(wma, WMA_SWITCH_CHANNEL_RSP, (void *)params, 0);
}
#ifdef FEATURE_WLAN_SCAN_PNO
/**
* wma_pno_start() - PNO start request
* @wma: wma handle
* @pno: PNO request
*
* This function request FW to start PNO request.
* Request: CDF status
*/
CDF_STATUS wma_pno_start(tp_wma_handle wma, tpSirPNOScanReq pno)
{
wmi_nlo_config_cmd_fixed_param *cmd;
nlo_configured_parameters *nlo_list;
uint32_t *channel_list;
int32_t len;
wmi_buf_t buf;
uint8_t *buf_ptr;
uint8_t i;
int ret;
WMA_LOGD("PNO Start");
len = sizeof(*cmd) + WMI_TLV_HDR_SIZE + /* TLV place holder for array of structures nlo_configured_parameters(nlo_list) */
WMI_TLV_HDR_SIZE; /* TLV place holder for array of uint32_t channel_list */
len += sizeof(uint32_t) * CDF_MIN(pno->aNetworks[0].ucChannelCount,
WMI_NLO_MAX_CHAN);
len += sizeof(nlo_configured_parameters) *
CDF_MIN(pno->ucNetworksCount, WMI_NLO_MAX_SSIDS);
buf = wmi_buf_alloc(wma->wmi_handle, len);
if (!buf) {
WMA_LOGE("%s: Failed allocate wmi buffer", __func__);
return CDF_STATUS_E_NOMEM;
}
cmd = (wmi_nlo_config_cmd_fixed_param *) wmi_buf_data(buf);
buf_ptr = (uint8_t *) cmd;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_nlo_config_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_nlo_config_cmd_fixed_param));
cmd->vdev_id = pno->sessionId;
cmd->flags = WMI_NLO_CONFIG_START | WMI_NLO_CONFIG_SSID_HIDE_EN;
/* Copy scan interval */
if (pno->scanTimers.ucScanTimersCount) {
cmd->fast_scan_period =
WMA_SEC_TO_MSEC(pno->scanTimers.aTimerValues[0].
uTimerValue);
cmd->slow_scan_period = cmd->fast_scan_period;
WMA_LOGD("Scan period : %d msec", cmd->slow_scan_period);
}
buf_ptr += sizeof(wmi_nlo_config_cmd_fixed_param);
cmd->no_of_ssids = CDF_MIN(pno->ucNetworksCount, WMI_NLO_MAX_SSIDS);
WMA_LOGD("SSID count : %d", cmd->no_of_ssids);
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
cmd->no_of_ssids * sizeof(nlo_configured_parameters));
buf_ptr += WMI_TLV_HDR_SIZE;
nlo_list = (nlo_configured_parameters *) buf_ptr;
for (i = 0; i < cmd->no_of_ssids; i++) {
WMITLV_SET_HDR(&nlo_list[i].tlv_header,
WMITLV_TAG_ARRAY_BYTE,
WMITLV_GET_STRUCT_TLVLEN
(nlo_configured_parameters));
/* Copy ssid and it's length */
nlo_list[i].ssid.valid = true;
nlo_list[i].ssid.ssid.ssid_len = pno->aNetworks[i].ssId.length;
cdf_mem_copy(nlo_list[i].ssid.ssid.ssid,
pno->aNetworks[i].ssId.ssId,
nlo_list[i].ssid.ssid.ssid_len);
WMA_LOGD("index: %d ssid: %.*s len: %d", i,
nlo_list[i].ssid.ssid.ssid_len,
(char *)nlo_list[i].ssid.ssid.ssid,
nlo_list[i].ssid.ssid.ssid_len);
/* Copy rssi threshold */
if (pno->aNetworks[i].rssiThreshold &&
pno->aNetworks[i].rssiThreshold > WMA_RSSI_THOLD_DEFAULT) {
nlo_list[i].rssi_cond.valid = true;
nlo_list[i].rssi_cond.rssi =
pno->aNetworks[i].rssiThreshold;
WMA_LOGD("RSSI threshold : %d dBm",
nlo_list[i].rssi_cond.rssi);
}
nlo_list[i].bcast_nw_type.valid = true;
nlo_list[i].bcast_nw_type.bcast_nw_type =
pno->aNetworks[i].bcastNetwType;
WMA_LOGI("Broadcast NW type (%u)",
nlo_list[i].bcast_nw_type.bcast_nw_type);
}
buf_ptr += cmd->no_of_ssids * sizeof(nlo_configured_parameters);
/* Copy channel info */
cmd->num_of_channels = CDF_MIN(pno->aNetworks[0].ucChannelCount,
WMI_NLO_MAX_CHAN);
WMA_LOGD("Channel count: %d", cmd->num_of_channels);
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_UINT32,
(cmd->num_of_channels * sizeof(uint32_t)));
buf_ptr += WMI_TLV_HDR_SIZE;
channel_list = (uint32_t *) buf_ptr;
for (i = 0; i < cmd->num_of_channels; i++) {
channel_list[i] = pno->aNetworks[0].aChannels[i];
if (channel_list[i] < WMA_NLO_FREQ_THRESH)
channel_list[i] = cds_chan_to_freq(channel_list[i]);
WMA_LOGD("Ch[%d]: %d MHz", i, channel_list[i]);
}
buf_ptr += cmd->num_of_channels * sizeof(uint32_t);
/* TODO: Discrete firmware doesn't have command/option to configure
* App IE which comes from wpa_supplicant as of part PNO start request.
*/
ret = wmi_unified_cmd_send(wma->wmi_handle, buf, len,
WMI_NETWORK_LIST_OFFLOAD_CONFIG_CMDID);
if (ret) {
WMA_LOGE("%s: Failed to send nlo wmi cmd", __func__);
wmi_buf_free(buf);
return CDF_STATUS_E_FAILURE;
}
wma->interfaces[pno->sessionId].pno_in_progress = true;
WMA_LOGD("PNO start request sent successfully for vdev %d",
pno->sessionId);
return CDF_STATUS_SUCCESS;
}
/**
* wma_pno_stop() - PNO stop request
* @wma: wma handle
* @vdev_id: vdev id
*
* This function request FW to stop ongoing PNO operation.
*
* Return: CDF status
*/
CDF_STATUS wma_pno_stop(tp_wma_handle wma, uint8_t vdev_id)
{
wmi_nlo_config_cmd_fixed_param *cmd;
int32_t len = sizeof(*cmd);
wmi_buf_t buf;
uint8_t *buf_ptr;
int ret;
if (!wma->interfaces[vdev_id].pno_in_progress) {
WMA_LOGD("No active pno session found for vdev %d, skip pno stop request",
vdev_id);
return CDF_STATUS_SUCCESS;
}
WMA_LOGD("PNO Stop");
len += WMI_TLV_HDR_SIZE + /* TLV place holder for array of structures nlo_configured_parameters(nlo_list) */
WMI_TLV_HDR_SIZE; /* TLV place holder for array of uint32_t channel_list */
buf = wmi_buf_alloc(wma->wmi_handle, len);
if (!buf) {
WMA_LOGE("%s: Failed allocate wmi buffer", __func__);
return CDF_STATUS_E_NOMEM;
}
cmd = (wmi_nlo_config_cmd_fixed_param *) wmi_buf_data(buf);
buf_ptr = (uint8_t *) cmd;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_nlo_config_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_nlo_config_cmd_fixed_param));
cmd->vdev_id = vdev_id;
cmd->flags = WMI_NLO_CONFIG_STOP;
buf_ptr += sizeof(*cmd);
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC, 0);
buf_ptr += WMI_TLV_HDR_SIZE;
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_UINT32, 0);
buf_ptr += WMI_TLV_HDR_SIZE;
ret = wmi_unified_cmd_send(wma->wmi_handle, buf, len,
WMI_NETWORK_LIST_OFFLOAD_CONFIG_CMDID);
if (ret) {
WMA_LOGE("%s: Failed to send nlo wmi cmd", __func__);
wmi_buf_free(buf);
return CDF_STATUS_E_FAILURE;
}
wma->interfaces[vdev_id].pno_in_progress = false;
WMA_LOGD("PNO stop request sent successfully for vdev %d", vdev_id);
return CDF_STATUS_SUCCESS;
}
/**
* wma_config_pno() - config PNO
* @wma: wma handle
* @pno: PNO request parameters
*
* Return: none
*/
void wma_config_pno(tp_wma_handle wma, tpSirPNOScanReq pno)
{
CDF_STATUS ret;
if (pno->enable)
ret = wma_pno_start(wma, pno);
else
ret = wma_pno_stop(wma, pno->sessionId);
if (ret)
WMA_LOGE("%s: PNO %s failed %d", __func__,
pno->enable ? "start" : "stop", ret);
/* SME expects WMA to free tpSirPNOScanReq memory after
* processing PNO request. */
cdf_mem_free(pno);
}
#if defined(FEATURE_WLAN_ESE) && defined(FEATURE_WLAN_ESE_UPLOAD)
/**
* wma_plm_start() - plm start request
* @wma: wma handle
* @plm: plm request parameters
*
* This function request FW to start PLM.
*
* Return: CDF status
*/
CDF_STATUS wma_plm_start(tp_wma_handle wma, const tpSirPlmReq plm)
{
wmi_vdev_plmreq_start_cmd_fixed_param *cmd;
uint32_t *channel_list;
int32_t len;
wmi_buf_t buf;
uint8_t *buf_ptr;
uint8_t count;
int ret;
if (NULL == plm || NULL == wma) {
WMA_LOGE("%s: input pointer is NULL ", __func__);
return CDF_STATUS_E_FAILURE;
}
WMA_LOGD("PLM Start");
len = sizeof(*cmd) + WMI_TLV_HDR_SIZE; /* TLV place holder for channel_list */
len += sizeof(uint32_t) * plm->plmNumCh;
buf = wmi_buf_alloc(wma->wmi_handle, len);
if (!buf) {
WMA_LOGE("%s: Failed allocate wmi buffer", __func__);
return CDF_STATUS_E_NOMEM;
}
cmd = (wmi_vdev_plmreq_start_cmd_fixed_param *) wmi_buf_data(buf);
buf_ptr = (uint8_t *) cmd;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_vdev_plmreq_start_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_vdev_plmreq_start_cmd_fixed_param));
cmd->vdev_id = plm->sessionId;
cmd->meas_token = plm->meas_token;
cmd->dialog_token = plm->diag_token;
cmd->number_bursts = plm->numBursts;
cmd->burst_interval = WMA_SEC_TO_MSEC(plm->burstInt);
cmd->off_duration = plm->measDuration;
cmd->burst_cycle = plm->burstLen;
cmd->tx_power = plm->desiredTxPwr;
WMI_CHAR_ARRAY_TO_MAC_ADDR(plm->macAddr, &cmd->dest_mac);
cmd->num_chans = plm->plmNumCh;
buf_ptr += sizeof(wmi_vdev_plmreq_start_cmd_fixed_param);
WMA_LOGD("vdev : %d measu token : %d", cmd->vdev_id, cmd->meas_token);
WMA_LOGD("dialog_token: %d", cmd->dialog_token);
WMA_LOGD("number_bursts: %d", cmd->number_bursts);
WMA_LOGD("burst_interval: %d", cmd->burst_interval);
WMA_LOGD("off_duration: %d", cmd->off_duration);
WMA_LOGD("burst_cycle: %d", cmd->burst_cycle);
WMA_LOGD("tx_power: %d", cmd->tx_power);
WMA_LOGD("Number of channels : %d", cmd->num_chans);
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_UINT32,
(cmd->num_chans * sizeof(uint32_t)));
buf_ptr += WMI_TLV_HDR_SIZE;
if (cmd->num_chans) {
channel_list = (uint32_t *) buf_ptr;
for (count = 0; count < cmd->num_chans; count++) {
channel_list[count] = plm->plmChList[count];
if (channel_list[count] < WMA_NLO_FREQ_THRESH)
channel_list[count] =
cds_chan_to_freq(channel_list[count]);
WMA_LOGD("Ch[%d]: %d MHz", count, channel_list[count]);
}
buf_ptr += cmd->num_chans * sizeof(uint32_t);
}
ret = wmi_unified_cmd_send(wma->wmi_handle, buf, len,
WMI_VDEV_PLMREQ_START_CMDID);
if (ret) {
WMA_LOGE("%s: Failed to send plm start wmi cmd", __func__);
wmi_buf_free(buf);
return CDF_STATUS_E_FAILURE;
}
wma->interfaces[plm->sessionId].plm_in_progress = true;
WMA_LOGD("Plm start request sent successfully for vdev %d",
plm->sessionId);
return CDF_STATUS_SUCCESS;
}
/**
* wma_plm_stop() - plm stop request
* @wma: wma handle
* @plm: plm request parameters
*
* This function request FW to stop PLM.
*
* Return: CDF status
*/
CDF_STATUS wma_plm_stop(tp_wma_handle wma, const tpSirPlmReq plm)
{
wmi_vdev_plmreq_stop_cmd_fixed_param *cmd;
int32_t len;
wmi_buf_t buf;
uint8_t *buf_ptr;
int ret;
if (NULL == plm || NULL == wma) {
WMA_LOGE("%s: input pointer is NULL ", __func__);
return CDF_STATUS_E_FAILURE;
}
if (false == wma->interfaces[plm->sessionId].plm_in_progress) {
WMA_LOGE("No active plm req found, skip plm stop req");
return CDF_STATUS_E_FAILURE;
}
WMA_LOGD("PLM Stop");
len = sizeof(*cmd);
buf = wmi_buf_alloc(wma->wmi_handle, len);
if (!buf) {
WMA_LOGE("%s: Failed allocate wmi buffer", __func__);
return CDF_STATUS_E_NOMEM;
}
cmd = (wmi_vdev_plmreq_stop_cmd_fixed_param *) wmi_buf_data(buf);
buf_ptr = (uint8_t *) cmd;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_vdev_plmreq_stop_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_vdev_plmreq_stop_cmd_fixed_param));
cmd->vdev_id = plm->sessionId;
cmd->meas_token = plm->meas_token;
WMA_LOGD("vdev %d meas token %d", cmd->vdev_id, cmd->meas_token);
ret = wmi_unified_cmd_send(wma->wmi_handle, buf, len,
WMI_VDEV_PLMREQ_STOP_CMDID);
if (ret) {
WMA_LOGE("%s: Failed to send plm stop wmi cmd", __func__);
wmi_buf_free(buf);
return CDF_STATUS_E_FAILURE;
}
wma->interfaces[plm->sessionId].plm_in_progress = false;
WMA_LOGD("Plm stop request sent successfully for vdev %d",
plm->sessionId);
return CDF_STATUS_SUCCESS;
}
/**
* wma_config_plm()- config PLM
* @wma: wma handle
* @plm: plm request parameters
*
* Return: none
*/
void wma_config_plm(tp_wma_handle wma, tpSirPlmReq plm)
{
CDF_STATUS ret = 0;
if (NULL == plm || NULL == wma)
return;
if (plm->enable)
ret = wma_plm_start(wma, plm);
else
ret = wma_plm_stop(wma, plm);
if (ret)
WMA_LOGE("%s: PLM %s failed %d", __func__,
plm->enable ? "start" : "stop", ret);
/* SME expects WMA to free tpSirPlmReq memory after
* processing PLM request. */
cdf_mem_free(plm);
plm = NULL;
}
#endif
/**
* wma_scan_cache_updated_ind() - scan update indication
* @wma: wma handle
* @sessionId: session ID
*
* After pushing cached scan results (that are stored in LIM) to SME,
* PE will post WMA_SME_SCAN_CACHE_UPDATED message indication to
* wma and intern this function handles that message. This function will
* check for PNO completion (by checking NLO match event) and post PNO
* completion back to SME if PNO operation is completed successfully.
*
* Return: none
*/
void wma_scan_cache_updated_ind(tp_wma_handle wma, uint8_t sessionId)
{
tSirPrefNetworkFoundInd *nw_found_ind;
CDF_STATUS status;
cds_msg_t cds_msg;
uint8_t len, i;
for (i = 0; i < wma->max_bssid; i++) {
if (wma->interfaces[i].nlo_match_evt_received)
break;
}
if (i == wma->max_bssid) {
WMA_LOGD("PNO match event is not received in any vdev, skip scan cache update indication");
return;
}
wma->interfaces[i].nlo_match_evt_received = false;
WMA_LOGD("Posting PNO completion to umac");
len = sizeof(tSirPrefNetworkFoundInd);
nw_found_ind = (tSirPrefNetworkFoundInd *) cdf_mem_malloc(len);
if (NULL == nw_found_ind) {
WMA_LOGE("%s: Memory allocation failure", __func__);
return;
}
nw_found_ind->mesgType = eWNI_SME_PREF_NETWORK_FOUND_IND;
nw_found_ind->mesgLen = len;
nw_found_ind->sessionId = sessionId;
cds_msg.type = eWNI_SME_PREF_NETWORK_FOUND_IND;
cds_msg.bodyptr = (void *)nw_found_ind;
cds_msg.bodyval = 0;
status = cds_mq_post_message(CDS_MQ_ID_SME, &cds_msg);
if (status != CDF_STATUS_SUCCESS) {
WMA_LOGE("%s: Failed to post PNO completion match event to SME",
__func__);
cdf_mem_free(nw_found_ind);
}
}
#ifdef FEATURE_WLAN_EXTSCAN
/**
* wma_extscan_get_eventid_from_tlvtag() - map tlv tag to corresponding event id
* @tag: WMI TLV tag
*
* Return:
* 0 if TLV tag is invalid
* else return corresponding WMI event id
*/
static int wma_extscan_get_eventid_from_tlvtag(uint32_t tag)
{
uint32_t event_id;
switch (tag) {
case WMITLV_TAG_STRUC_wmi_extscan_start_stop_event_fixed_param:
event_id = WMI_EXTSCAN_START_STOP_EVENTID;
break;
case WMITLV_TAG_STRUC_wmi_extscan_operation_event_fixed_param:
event_id = WMI_EXTSCAN_OPERATION_EVENTID;
break;
case WMITLV_TAG_STRUC_wmi_extscan_table_usage_event_fixed_param:
event_id = WMI_EXTSCAN_TABLE_USAGE_EVENTID;
break;
case WMITLV_TAG_STRUC_wmi_extscan_cached_results_event_fixed_param:
event_id = WMI_EXTSCAN_CACHED_RESULTS_EVENTID;
break;
case WMITLV_TAG_STRUC_wmi_extscan_wlan_change_results_event_fixed_param:
event_id = WMI_EXTSCAN_WLAN_CHANGE_RESULTS_EVENTID;
break;
case WMITLV_TAG_STRUC_wmi_extscan_hotlist_match_event_fixed_param:
event_id = WMI_EXTSCAN_HOTLIST_MATCH_EVENTID;
break;
case WMITLV_TAG_STRUC_wmi_extscan_capabilities_event_fixed_param:
event_id = WMI_EXTSCAN_CAPABILITIES_EVENTID;
break;
case WMITLV_TAG_STRUC_wmi_extscan_hotlist_ssid_match_event_fixed_param:
event_id = WMI_EXTSCAN_HOTLIST_SSID_MATCH_EVENTID;
break;
default:
event_id = 0;
WMA_LOGE("%s: Unknown tag: %d", __func__, tag);
break;
}
WMA_LOGI("%s: For tag %d WMI event 0x%x", __func__, tag, event_id);
return event_id;
}
/**
* wma_extscan_wow_event_callback() - extscan wow event callback
* @handle: WMA handle
* @event: event buffer
* @len: length of @event buffer
*
* In wow case, the wow event is followed by the payload of the event
* which generated the wow event.
* payload is 4 bytes of length followed by event buffer. the first 4 bytes
* of event buffer is common tlv header, which is a combination
* of tag (higher 2 bytes) and length (lower 2 bytes). The tag is used to
* identify the event which triggered wow event.
*
* @Return: none
*/
void wma_extscan_wow_event_callback(void *handle, void *event, uint32_t len)
{
uint32_t id;
int tlv_ok_status = 0;
void *wmi_cmd_struct_ptr = NULL;
uint32_t tag = WMITLV_GET_TLVTAG(WMITLV_GET_HDR(event));
id = wma_extscan_get_eventid_from_tlvtag(tag);
if (!id) {
WMA_LOGE("%s: Invalid Tag: %d", __func__, tag);
return;
}
tlv_ok_status = wmitlv_check_and_pad_event_tlvs(
handle, event, len, id,
&wmi_cmd_struct_ptr);
if (tlv_ok_status != 0) {
WMA_LOGE("%s: Invalid Tag: %d could not check and pad tlvs",
__func__, tag);
return;
}
switch (tag) {
case WMITLV_TAG_STRUC_wmi_extscan_start_stop_event_fixed_param:
wma_extscan_start_stop_event_handler(handle,
wmi_cmd_struct_ptr, len);
break;
case WMITLV_TAG_STRUC_wmi_extscan_operation_event_fixed_param:
wma_extscan_operations_event_handler(handle,
wmi_cmd_struct_ptr, len);
break;
case WMITLV_TAG_STRUC_wmi_extscan_table_usage_event_fixed_param:
wma_extscan_table_usage_event_handler(handle,
wmi_cmd_struct_ptr, len);
break;
case WMITLV_TAG_STRUC_wmi_extscan_cached_results_event_fixed_param:
wma_extscan_cached_results_event_handler(handle,
wmi_cmd_struct_ptr, len);
break;
case WMITLV_TAG_STRUC_wmi_extscan_wlan_change_results_event_fixed_param:
wma_extscan_change_results_event_handler(handle,
wmi_cmd_struct_ptr, len);
break;
case WMITLV_TAG_STRUC_wmi_extscan_hotlist_match_event_fixed_param:
wma_extscan_hotlist_match_event_handler(handle,
wmi_cmd_struct_ptr, len);
break;
case WMITLV_TAG_STRUC_wmi_extscan_capabilities_event_fixed_param:
wma_extscan_capabilities_event_handler(handle,
wmi_cmd_struct_ptr, len);
break;
case WMITLV_TAG_STRUC_wmi_extscan_hotlist_ssid_match_event_fixed_param:
wma_extscan_hotlist_ssid_match_event_handler(handle,
wmi_cmd_struct_ptr, len);
break;
default:
WMA_LOGE("%s: Unknown tag: %d", __func__, tag);
break;
}
wmitlv_free_allocated_event_tlvs(id, &wmi_cmd_struct_ptr);
return;
}
#endif
/**
* wma_nlo_match_evt_handler() - nlo match event handler
* @handle: wma handle
* @event: event data
* @len: data length
*
* Record NLO match event comes from FW. It's a indication that
* one of the profile is matched.
*
* Return: 0 for success or error code.
*/
int wma_nlo_match_evt_handler(void *handle, uint8_t *event,
uint32_t len)
{
tp_wma_handle wma = (tp_wma_handle) handle;
wmi_nlo_event *nlo_event;
WMI_NLO_MATCH_EVENTID_param_tlvs *param_buf =
(WMI_NLO_MATCH_EVENTID_param_tlvs *) event;
struct wma_txrx_node *node;
if (!param_buf) {
WMA_LOGE("Invalid NLO match event buffer");
return -EINVAL;
}
nlo_event = param_buf->fixed_param;
WMA_LOGD("PNO match event received for vdev %d", nlo_event->vdev_id);
node = &wma->interfaces[nlo_event->vdev_id];
if (node)
node->nlo_match_evt_received = true;
cdf_wake_lock_timeout_acquire(&wma->pno_wake_lock,
WMA_PNO_MATCH_WAKE_LOCK_TIMEOUT,
WIFI_POWER_EVENT_WAKELOCK_PNO);
return 0;
}
/**
* wma_nlo_scan_cmp_evt_handler() - nlo scan completion handler
* @handle: wma handle
* @event: event handler
* @len: length of data
*
* This function handles NLO scan completion event.
*
* Return: 0 for success or error code.
*/
int wma_nlo_scan_cmp_evt_handler(void *handle, uint8_t *event,
uint32_t len)
{
tp_wma_handle wma = (tp_wma_handle) handle;
wmi_nlo_event *nlo_event;
WMI_NLO_SCAN_COMPLETE_EVENTID_param_tlvs *param_buf =
(WMI_NLO_SCAN_COMPLETE_EVENTID_param_tlvs *) event;
tSirScanOffloadEvent *scan_event;
struct wma_txrx_node *node;
if (!param_buf) {
WMA_LOGE("Invalid NLO scan comp event buffer");
return -EINVAL;
}
nlo_event = param_buf->fixed_param;
WMA_LOGD("PNO scan completion event received for vdev %d",
nlo_event->vdev_id);
node = &wma->interfaces[nlo_event->vdev_id];
/* Handle scan completion event only after NLO match event. */
if (!node || !node->nlo_match_evt_received) {
WMA_LOGD("NLO match not recieved skipping PNO complete ind for vdev %d",
nlo_event->vdev_id);
goto skip_pno_cmp_ind;
}
cdf_wake_lock_release(&wma->pno_wake_lock,
WIFI_POWER_EVENT_WAKELOCK_PNO);
scan_event =
(tSirScanOffloadEvent *)
cdf_mem_malloc(sizeof(tSirScanOffloadEvent));
if (scan_event) {
/* Posting scan completion msg would take scan cache result
* from LIM module and update in scan cache maintained in SME.*/
WMA_LOGE("Posting PNO Scan completion to umac");
cdf_wake_lock_timeout_acquire(&wma->pno_wake_lock,
WMA_PNO_SCAN_COMPLETE_WAKE_LOCK_TIMEOUT,
WIFI_POWER_EVENT_WAKELOCK_PNO);
cdf_mem_zero(scan_event, sizeof(tSirScanOffloadEvent));
scan_event->reasonCode = eSIR_PNO_SCAN_SUCCESS;
scan_event->event = SCAN_EVENT_COMPLETED;
scan_event->sessionId = nlo_event->vdev_id;
wma_send_msg(wma, WMA_RX_SCAN_EVENT, (void *)scan_event, 0);
} else {
WMA_LOGE("Memory allocation failed for tSirScanOffloadEvent");
}
skip_pno_cmp_ind:
return 0;
}
#endif
/**
* wma_register_extscan_event_handler() - register extscan event handler
* @wma_handle: wma handle
*
* This function register extscan related event handlers.
*
* Return: none
*/
void wma_register_extscan_event_handler(tp_wma_handle wma_handle)
{
if (!wma_handle) {
WMA_LOGE("%s: extscan wma_handle is NULL", __func__);
return;
}
wmi_unified_register_event_handler(wma_handle->wmi_handle,
WMI_EXTSCAN_START_STOP_EVENTID,
wma_extscan_start_stop_event_handler);
wmi_unified_register_event_handler(wma_handle->wmi_handle,
WMI_EXTSCAN_CAPABILITIES_EVENTID,
wma_extscan_capabilities_event_handler);
wmi_unified_register_event_handler(wma_handle->wmi_handle,
WMI_EXTSCAN_HOTLIST_MATCH_EVENTID,
wma_extscan_hotlist_match_event_handler);
wmi_unified_register_event_handler(wma_handle->wmi_handle,
WMI_EXTSCAN_WLAN_CHANGE_RESULTS_EVENTID,
wma_extscan_change_results_event_handler);
wmi_unified_register_event_handler(wma_handle->wmi_handle,
WMI_EXTSCAN_OPERATION_EVENTID,
wma_extscan_operations_event_handler);
wmi_unified_register_event_handler(wma_handle->wmi_handle,
WMI_EXTSCAN_TABLE_USAGE_EVENTID,
wma_extscan_table_usage_event_handler);
wmi_unified_register_event_handler(wma_handle->wmi_handle,
WMI_EXTSCAN_CACHED_RESULTS_EVENTID,
wma_extscan_cached_results_event_handler);
wmi_unified_register_event_handler(wma_handle->wmi_handle,
WMI_PASSPOINT_MATCH_EVENTID,
wma_passpoint_match_event_handler);
wmi_unified_register_event_handler(wma_handle->wmi_handle,
WMI_EXTSCAN_HOTLIST_SSID_MATCH_EVENTID,
wma_extscan_hotlist_ssid_match_event_handler);
return;
}
#ifdef FEATURE_WLAN_EXTSCAN
/**
* wma_extscan_start_stop_event_handler() - extscan start/stop event handler
* @handle: wma handle
* @cmd_param_info: event buffer
* @len: data length
*
* This function handles different extscan related commands
* like start/stop/get results etc and indicate to upper layers.
*
* Return: 0 for success or error code.
*/
int wma_extscan_start_stop_event_handler(void *handle,
uint8_t *cmd_param_info,
uint32_t len)
{
WMI_EXTSCAN_START_STOP_EVENTID_param_tlvs *param_buf;
wmi_extscan_start_stop_event_fixed_param *event;
struct sir_extscan_generic_response *extscan_ind;
uint16_t event_type;
tpAniSirGlobal pMac = cds_get_context(CDF_MODULE_ID_PE);
if (!pMac) {
WMA_LOGE("%s: Invalid pMac", __func__);
return -EINVAL;
}
if (!pMac->sme.pExtScanIndCb) {
WMA_LOGE("%s: Callback not registered", __func__);
return -EINVAL;
}
param_buf = (WMI_EXTSCAN_START_STOP_EVENTID_param_tlvs *)
cmd_param_info;
if (!param_buf) {
WMA_LOGE("%s: Invalid extscan event", __func__);
return -EINVAL;
}
event = param_buf->fixed_param;
extscan_ind = cdf_mem_malloc(sizeof(*extscan_ind));
if (!extscan_ind) {
WMA_LOGE("%s: extscan memory allocation failed", __func__);
return -ENOMEM;
}
switch (event->command) {
case WMI_EXTSCAN_START_CMDID:
event_type = eSIR_EXTSCAN_START_RSP;
extscan_ind->status = event->status;
extscan_ind->request_id = event->request_id;
break;
case WMI_EXTSCAN_STOP_CMDID:
event_type = eSIR_EXTSCAN_STOP_RSP;
extscan_ind->status = event->status;
extscan_ind->request_id = event->request_id;
break;
case WMI_EXTSCAN_CONFIGURE_WLAN_CHANGE_MONITOR_CMDID:
extscan_ind->status = event->status;
extscan_ind->request_id = event->request_id;
if (event->mode == WMI_EXTSCAN_MODE_STOP) {
event_type =
eSIR_EXTSCAN_RESET_SIGNIFICANT_WIFI_CHANGE_RSP;
} else {
event_type =
eSIR_EXTSCAN_SET_SIGNIFICANT_WIFI_CHANGE_RSP;
}
break;
case WMI_EXTSCAN_CONFIGURE_HOTLIST_MONITOR_CMDID:
extscan_ind->status = event->status;
extscan_ind->request_id = event->request_id;
if (event->mode == WMI_EXTSCAN_MODE_STOP) {
event_type = eSIR_EXTSCAN_RESET_BSSID_HOTLIST_RSP;
} else {
event_type = eSIR_EXTSCAN_SET_BSSID_HOTLIST_RSP;
}
break;
case WMI_EXTSCAN_GET_CACHED_RESULTS_CMDID:
extscan_ind->status = event->status;
extscan_ind->request_id = event->request_id;
event_type = eSIR_EXTSCAN_CACHED_RESULTS_RSP;
break;
case WMI_EXTSCAN_CONFIGURE_HOTLIST_SSID_MONITOR_CMDID:
extscan_ind->status = event->status;
extscan_ind->request_id = event->request_id;
if (event->mode == WMI_EXTSCAN_MODE_STOP) {
event_type =
eSIR_EXTSCAN_RESET_SSID_HOTLIST_RSP;
} else {
event_type =
eSIR_EXTSCAN_SET_SSID_HOTLIST_RSP;
}
break;
default:
WMA_LOGE("%s: Unknown event(%d) from target",
__func__, event->status);
cdf_mem_free(extscan_ind);
return -EINVAL;
}
pMac->sme.pExtScanIndCb(pMac->hHdd, event_type, extscan_ind);
WMA_LOGD("%s: sending event to umac for requestid %u"
"with status %d", __func__,
extscan_ind->request_id, extscan_ind->status);
cdf_mem_free(extscan_ind);
return 0;
}
/**
* wma_extscan_operations_event_handler() - extscan operation event handler
* @handle: wma handle
* @cmd_param_info: event buffer
* @len: length
*
* This function handles different operations related event and indicate
* upper layers with appropriate callback.
*
* Return: 0 for success or error code.
*/
int wma_extscan_operations_event_handler(void *handle,
uint8_t *cmd_param_info,
uint32_t len)
{
tp_wma_handle wma = (tp_wma_handle) handle;
WMI_EXTSCAN_OPERATION_EVENTID_param_tlvs *param_buf;
wmi_extscan_operation_event_fixed_param *oprn_event;
tSirExtScanOnScanEventIndParams *oprn_ind;
tpAniSirGlobal pMac = cds_get_context(CDF_MODULE_ID_PE);
if (!pMac) {
WMA_LOGE("%s: Invalid pMac", __func__);
return -EINVAL;
}
if (!pMac->sme.pExtScanIndCb) {
WMA_LOGE("%s: Callback not registered", __func__);
return -EINVAL;
}
param_buf = (WMI_EXTSCAN_OPERATION_EVENTID_param_tlvs *)
cmd_param_info;
if (!param_buf) {
WMA_LOGE("%s: Invalid scan operation event", __func__);
return -EINVAL;
}
oprn_event = param_buf->fixed_param;
oprn_ind = cdf_mem_malloc(sizeof(*oprn_ind));
if (!oprn_ind) {
WMA_LOGE("%s: extscan memory allocation failed", __func__);
cdf_mem_free(oprn_ind);
return -ENOMEM;
}
oprn_ind->requestId = oprn_event->request_id;
switch (oprn_event->event) {
case WMI_EXTSCAN_BUCKET_COMPLETED_EVENT:
oprn_ind->scanEventType = WIFI_SCAN_COMPLETE;
oprn_ind->status = 0;
break;
case WMI_EXTSCAN_CYCLE_STARTED_EVENT:
WMA_LOGD("%s: received WMI_EXTSCAN_CYCLE_STARTED_EVENT",
__func__);
cdf_wake_lock_timeout_acquire(&wma->extscan_wake_lock,
WMA_EXTSCAN_CYCLE_WAKE_LOCK_DURATION,
WIFI_POWER_EVENT_WAKELOCK_EXT_SCAN);
goto exit_handler;
case WMI_EXTSCAN_CYCLE_COMPLETED_EVENT:
WMA_LOGD("%s: received WMI_EXTSCAN_CYCLE_COMPLETED_EVENT",
__func__);
cdf_wake_lock_release(&wma->extscan_wake_lock,
WIFI_POWER_EVENT_WAKELOCK_EXT_SCAN);
goto exit_handler;
default:
WMA_LOGE("%s: Unknown event(%d) from target",
__func__, oprn_event->event);
cdf_mem_free(oprn_ind);
return -EINVAL;
}
pMac->sme.pExtScanIndCb(pMac->hHdd,
eSIR_EXTSCAN_SCAN_PROGRESS_EVENT_IND, oprn_ind);
WMA_LOGI("%s: sending scan progress event to hdd", __func__);
exit_handler:
cdf_mem_free(oprn_ind);
return 0;
}
/**
* wma_extscan_table_usage_event_handler() - extscan table usage event handler
* @handle: wma handle
* @cmd_param_info: event buffer
* @len: length
*
* This function handles table usage related event and indicate
* upper layers with appropriate callback.
*
* Return: 0 for success or error code.
*/
int wma_extscan_table_usage_event_handler(void *handle,
uint8_t *cmd_param_info,
uint32_t len)
{
WMI_EXTSCAN_TABLE_USAGE_EVENTID_param_tlvs *param_buf;
wmi_extscan_table_usage_event_fixed_param *event;
tSirExtScanResultsAvailableIndParams *tbl_usg_ind;
tpAniSirGlobal pMac = cds_get_context(CDF_MODULE_ID_PE);
if (!pMac) {
WMA_LOGE("%s: Invalid pMac", __func__);
return -EINVAL;
}
if (!pMac->sme.pExtScanIndCb) {
WMA_LOGE("%s: Callback not registered", __func__);
return -EINVAL;
}
param_buf = (WMI_EXTSCAN_TABLE_USAGE_EVENTID_param_tlvs *)
cmd_param_info;
if (!param_buf) {
WMA_LOGE("%s: Invalid table usage event", __func__);
return -EINVAL;
}
event = param_buf->fixed_param;
tbl_usg_ind = cdf_mem_malloc(sizeof(*tbl_usg_ind));
if (!tbl_usg_ind) {
WMA_LOGE("%s: table usage allocation failed", __func__);
return -ENOMEM;
}
tbl_usg_ind->requestId = event->request_id;
tbl_usg_ind->numResultsAvailable = event->entries_in_use;
pMac->sme.pExtScanIndCb(pMac->hHdd,
eSIR_EXTSCAN_SCAN_RES_AVAILABLE_IND,
tbl_usg_ind);
WMA_LOGI("%s: sending scan_res available event to hdd", __func__);
cdf_mem_free(tbl_usg_ind);
return 0;
}
/**
* wma_extscan_capabilities_event_handler() - extscan capabilities event handler
* @handle: wma handle
* @cmd_param_info: event buffer
* @len: length
*
* This function handles capabilities event and indicate
* upper layers with registered callback.
*
* Return: 0 for success or error code.
*/
int wma_extscan_capabilities_event_handler(void *handle,
uint8_t *cmd_param_info,
uint32_t len)
{
WMI_EXTSCAN_CAPABILITIES_EVENTID_param_tlvs *param_buf;
wmi_extscan_capabilities_event_fixed_param *event;
wmi_extscan_cache_capabilities *src_cache;
wmi_extscan_hotlist_monitor_capabilities *src_hotlist;
wmi_extscan_wlan_change_monitor_capabilities *src_change;
struct ext_scan_capabilities_response *dest_capab;
tpAniSirGlobal pMac = cds_get_context(CDF_MODULE_ID_PE);
if (!pMac) {
WMA_LOGE("%s: Invalid pMac", __func__);
return -EINVAL;
}
if (!pMac->sme.pExtScanIndCb) {
WMA_LOGE("%s: Callback not registered", __func__);
return -EINVAL;
}
param_buf = (WMI_EXTSCAN_CAPABILITIES_EVENTID_param_tlvs *)
cmd_param_info;
if (!param_buf) {
WMA_LOGE("%s: Invalid capabilities event", __func__);
return -EINVAL;
}
event = param_buf->fixed_param;
src_cache = param_buf->extscan_cache_capabilities;
src_hotlist = param_buf->hotlist_capabilities;
src_change = param_buf->wlan_change_capabilities;
if (!src_cache || !src_hotlist || !src_change) {
WMA_LOGE("%s: Invalid capabilities list", __func__);
return -EINVAL;
}
dest_capab = cdf_mem_malloc(sizeof(*dest_capab));
if (!dest_capab) {
WMA_LOGE("%s: Allocation failed for capabilities buffer",
__func__);
return -ENOMEM;
}
dest_capab->requestId = event->request_id;
dest_capab->max_scan_buckets = src_cache->max_buckets;
dest_capab->max_scan_cache_size = src_cache->scan_cache_entry_size;
dest_capab->max_ap_cache_per_scan = src_cache->max_bssid_per_scan;
dest_capab->max_scan_reporting_threshold =
src_cache->max_table_usage_threshold;
dest_capab->max_hotlist_bssids = src_hotlist->max_hotlist_entries;
dest_capab->max_rssi_sample_size = src_change->max_rssi_averaging_samples;
dest_capab->max_bssid_history_entries =
src_change->max_rssi_history_entries;
dest_capab->max_significant_wifi_change_aps =
src_change->max_wlan_change_entries;
dest_capab->max_hotlist_ssids =
event->num_extscan_hotlist_ssid;
dest_capab->max_number_epno_networks =
event->num_epno_networks;
dest_capab->max_number_epno_networks_by_ssid =
event->num_epno_networks;
dest_capab->max_number_of_white_listed_ssid =
event->num_roam_ssid_whitelist;
dest_capab->status = 0;
WMA_LOGD("%s: request_id: %u status: %d",
__func__, dest_capab->requestId, dest_capab->status);
WMA_LOGD("%s: Capabilities: max_scan_buckets: %d,"
"max_hotlist_bssids: %d, max_scan_cache_size: %d,"
"max_ap_cache_per_scan: %d, max_scan_reporting_threshold: %d,"
"max_rssi_sample_size: %d, max_bssid_history_entries: %d,"
"max_significant_wifi_change_aps: %d",
__func__, dest_capab->max_scan_buckets,
dest_capab->max_hotlist_bssids,
dest_capab->max_scan_cache_size,
dest_capab->max_ap_cache_per_scan,
dest_capab->max_scan_reporting_threshold,
dest_capab->max_rssi_sample_size,
dest_capab->max_bssid_history_entries,
dest_capab->max_significant_wifi_change_aps);
WMA_LOGD("%s: Capabilities: max_hotlist_ssids: %d,"
"max_number_epno_networks: %d, max_number_epno_networks_by_ssid: %d,"
"max_number_of_white_listed_ssid: %d",
__func__, dest_capab->max_hotlist_ssids,
dest_capab->max_number_epno_networks,
dest_capab->max_number_epno_networks_by_ssid,
dest_capab->max_number_of_white_listed_ssid);
pMac->sme.pExtScanIndCb(pMac->hHdd,
eSIR_EXTSCAN_GET_CAPABILITIES_IND, dest_capab);
WMA_LOGI("%s: sending capabilities event to hdd", __func__);
cdf_mem_free(dest_capab);
return 0;
}
/**
* wma_extscan_hotlist_match_event_handler() - hotlist match event handler
* @handle: wma handle
* @cmd_param_info: event buffer
* @len: length
*
* This function handles hotlist match event and indicate
* upper layers with registered callback.
*
* Return: 0 for success or error code.
*/
int wma_extscan_hotlist_match_event_handler(void *handle,
uint8_t *cmd_param_info,
uint32_t len)
{
WMI_EXTSCAN_HOTLIST_MATCH_EVENTID_param_tlvs *param_buf;
wmi_extscan_hotlist_match_event_fixed_param *event;
struct extscan_hotlist_match *dest_hotlist;
tSirWifiScanResult *dest_ap;
wmi_extscan_wlan_descriptor *src_hotlist;
int numap, j, ap_found = 0;
tpAniSirGlobal pMac = cds_get_context(CDF_MODULE_ID_PE);
if (!pMac) {
WMA_LOGE("%s: Invalid pMac", __func__);
return -EINVAL;
}
if (!pMac->sme.pExtScanIndCb) {
WMA_LOGE("%s: Callback not registered", __func__);
return -EINVAL;
}
param_buf = (WMI_EXTSCAN_HOTLIST_MATCH_EVENTID_param_tlvs *)
cmd_param_info;
if (!param_buf) {
WMA_LOGE("%s: Invalid hotlist match event", __func__);
return -EINVAL;
}
event = param_buf->fixed_param;
src_hotlist = param_buf->hotlist_match;
numap = event->total_entries;
if (!src_hotlist || !numap) {
WMA_LOGE("%s: Hotlist AP's list invalid", __func__);
return -EINVAL;
}
dest_hotlist = cdf_mem_malloc(sizeof(*dest_hotlist) +
sizeof(*dest_ap) * numap);
if (!dest_hotlist) {
WMA_LOGE("%s: Allocation failed for hotlist buffer", __func__);
return -ENOMEM;
}
dest_ap = &dest_hotlist->ap[0];
dest_hotlist->numOfAps = event->total_entries;
dest_hotlist->requestId = event->config_request_id;
if (event->first_entry_index +
event->num_entries_in_page < event->total_entries)
dest_hotlist->moreData = 1;
else
dest_hotlist->moreData = 0;
WMA_LOGD("%s: Hotlist match: requestId: %u,"
"numOfAps: %d", __func__,
dest_hotlist->requestId, dest_hotlist->numOfAps);
/*
* Currently firmware sends only one bss information in-case
* of both hotlist ap found and lost.
*/
for (j = 0; j < numap; j++) {
dest_ap->rssi = 0;
dest_ap->channel = src_hotlist->channel;
dest_ap->ts = src_hotlist->tstamp;
ap_found = src_hotlist->flags & WMI_HOTLIST_FLAG_PRESENCE;
dest_ap->rtt = src_hotlist->rtt;
dest_ap->rtt_sd = src_hotlist->rtt_sd;
dest_ap->beaconPeriod = src_hotlist->beacon_interval;
dest_ap->capability = src_hotlist->capabilities;
dest_ap->ieLength = src_hotlist->ie_length;
WMI_MAC_ADDR_TO_CHAR_ARRAY(&src_hotlist->bssid,
dest_ap->bssid.bytes);
cdf_mem_copy(dest_ap->ssid, src_hotlist->ssid.ssid,
src_hotlist->ssid.ssid_len);
dest_ap->ssid[src_hotlist->ssid.ssid_len] = '\0';
dest_ap++;
src_hotlist++;
}
dest_hotlist->ap_found = ap_found;
pMac->sme.pExtScanIndCb(pMac->hHdd,
eSIR_EXTSCAN_HOTLIST_MATCH_IND, dest_hotlist);
WMA_LOGI("%s: sending hotlist match event to hdd", __func__);
cdf_mem_free(dest_hotlist);
return 0;
}
/** wma_extscan_find_unique_scan_ids() - find unique scan ids
* @cmd_param_info: event data.
*
* This utility function parses the input bss table of information
* and find the unique number of scan ids
*
* Return: 0 on success; error number otherwise
*/
static int wma_extscan_find_unique_scan_ids(const u_int8_t *cmd_param_info)
{
WMI_EXTSCAN_CACHED_RESULTS_EVENTID_param_tlvs *param_buf;
wmi_extscan_cached_results_event_fixed_param *event;
wmi_extscan_wlan_descriptor *src_hotlist;
wmi_extscan_rssi_info *src_rssi;
int prev_scan_id, scan_ids_cnt, i;
param_buf = (WMI_EXTSCAN_CACHED_RESULTS_EVENTID_param_tlvs *)
cmd_param_info;
event = param_buf->fixed_param;
src_hotlist = param_buf->bssid_list;
src_rssi = param_buf->rssi_list;
/* Find the unique number of scan_id's for grouping */
prev_scan_id = src_rssi->scan_cycle_id;
scan_ids_cnt = 1;
for (i = 1; i < event->num_entries_in_page; i++) {
src_rssi++;
if (prev_scan_id != src_rssi->scan_cycle_id) {
scan_ids_cnt++;
prev_scan_id = src_rssi->scan_cycle_id;
}
}
return scan_ids_cnt;
}
/** wma_fill_num_results_per_scan_id() - fill number of bss per scan id
* @cmd_param_info: event data.
* @scan_id_group: pointer to scan id group.
*
* This utility function parses the input bss table of information
* and finds how many bss are there per unique scan id.
*
* Return: 0 on success; error number otherwise
*/
static int wma_fill_num_results_per_scan_id(const u_int8_t *cmd_param_info,
struct extscan_cached_scan_result *scan_id_group)
{
WMI_EXTSCAN_CACHED_RESULTS_EVENTID_param_tlvs *param_buf;
wmi_extscan_cached_results_event_fixed_param *event;
wmi_extscan_wlan_descriptor *src_hotlist;
wmi_extscan_rssi_info *src_rssi;
struct extscan_cached_scan_result *t_scan_id_grp;
int i, prev_scan_id;
param_buf = (WMI_EXTSCAN_CACHED_RESULTS_EVENTID_param_tlvs *)
cmd_param_info;
event = param_buf->fixed_param;
src_hotlist = param_buf->bssid_list;
src_rssi = param_buf->rssi_list;
t_scan_id_grp = scan_id_group;
prev_scan_id = src_rssi->scan_cycle_id;
t_scan_id_grp->scan_id = src_rssi->scan_cycle_id;
t_scan_id_grp->flags = src_rssi->flags;
t_scan_id_grp->num_results = 1;
for (i = 1; i < event->num_entries_in_page; i++) {
src_rssi++;
if (prev_scan_id == src_rssi->scan_cycle_id) {
t_scan_id_grp->num_results++;
} else {
t_scan_id_grp++;
prev_scan_id = t_scan_id_grp->scan_id =
src_rssi->scan_cycle_id;
t_scan_id_grp->flags = src_rssi->flags;
t_scan_id_grp->num_results = 1;
}
}
return 0;
}
/** wma_group_num_bss_to_scan_id() - group bss to scan id table
* @cmd_param_info: event data.
* @cached_result: pointer to cached table.
*
* This function reads the bss information from the format
* ------------------------------------------------------------------------
* | bss info {rssi, channel, ssid, bssid, timestamp} | scan id_1 | flags |
* | bss info {rssi, channel, ssid, bssid, timestamp} | scan id_2 | flags |
* ........................................................................
* | bss info {rssi, channel, ssid, bssid, timestamp} | scan id_N | flags |
* ------------------------------------------------------------------------
*
* and converts it into the below format and store it
*
* ------------------------------------------------------------------------
* | scan id_1 | -> bss info_1 -> bss info_2 -> .... bss info_M1
* | scan id_2 | -> bss info_1 -> bss info_2 -> .... bss info_M2
* ......................
* | scan id_N | -> bss info_1 -> bss info_2 -> .... bss info_Mn
* ------------------------------------------------------------------------
*
* Return: 0 on success; error number otherwise
*/
static int wma_group_num_bss_to_scan_id(const u_int8_t *cmd_param_info,
struct extscan_cached_scan_results *cached_result)
{
WMI_EXTSCAN_CACHED_RESULTS_EVENTID_param_tlvs *param_buf;
wmi_extscan_cached_results_event_fixed_param *event;
wmi_extscan_wlan_descriptor *src_hotlist;
wmi_extscan_rssi_info *src_rssi;
struct extscan_cached_scan_results *t_cached_result;
struct extscan_cached_scan_result *t_scan_id_grp;
int i, j;
tSirWifiScanResult *ap;
param_buf = (WMI_EXTSCAN_CACHED_RESULTS_EVENTID_param_tlvs *)
cmd_param_info;
event = param_buf->fixed_param;
src_hotlist = param_buf->bssid_list;
src_rssi = param_buf->rssi_list;
t_cached_result = cached_result;
t_scan_id_grp = &t_cached_result->result[0];
WMA_LOGD("%s: num_scan_ids:%d", __func__,
t_cached_result->num_scan_ids);
for (i = 0; i < t_cached_result->num_scan_ids; i++) {
WMA_LOGD("%s: num_results:%d", __func__,
t_scan_id_grp->num_results);
t_scan_id_grp->ap = cdf_mem_malloc(t_scan_id_grp->num_results *
sizeof(*ap));
if (!t_scan_id_grp->ap) {
WMA_LOGD("%s: cdf_mem_malloc failed", __func__);
return -ENOMEM;
}
ap = &t_scan_id_grp->ap[0];
for (j = 0; j < t_scan_id_grp->num_results; j++) {
ap->channel = src_hotlist->channel;
ap->ts = WMA_MSEC_TO_USEC(src_rssi->tstamp);
ap->rtt = src_hotlist->rtt;
ap->rtt_sd = src_hotlist->rtt_sd;
ap->beaconPeriod = src_hotlist->beacon_interval;
ap->capability = src_hotlist->capabilities;
ap->ieLength = src_hotlist->ie_length;
/* Firmware already applied noise floor adjustment and
* due to WMI interface "UINT32 rssi", host driver
* receives a positive value, hence convert to
* signed char to get the absolute rssi.
*/
ap->rssi = (signed char) src_rssi->rssi;
WMI_MAC_ADDR_TO_CHAR_ARRAY(&src_hotlist->bssid,
ap->bssid.bytes);
cdf_mem_copy(ap->ssid, src_hotlist->ssid.ssid,
src_hotlist->ssid.ssid_len);
ap->ssid[src_hotlist->ssid.ssid_len] = '\0';
ap++;
src_rssi++;
src_hotlist++;
}
t_scan_id_grp++;
}
return 0;
}
/**
* wma_extscan_cached_results_event_handler() - cached results event handler
* @handle: wma handle
* @cmd_param_info: event buffer
* @len: length of @cmd_param_info
*
* This function handles cached results event and indicate
* cached results to upper layer.
*
* Return: 0 for success or error code.
*/
int wma_extscan_cached_results_event_handler(void *handle,
uint8_t *cmd_param_info,
uint32_t len)
{
WMI_EXTSCAN_CACHED_RESULTS_EVENTID_param_tlvs *param_buf;
wmi_extscan_cached_results_event_fixed_param *event;
struct extscan_cached_scan_results *dest_cachelist;
struct extscan_cached_scan_result *dest_result;
struct extscan_cached_scan_results empty_cachelist;
wmi_extscan_wlan_descriptor *src_hotlist;
wmi_extscan_rssi_info *src_rssi;
int numap, i, moredata, scan_ids_cnt, buf_len;
tpAniSirGlobal pMac = cds_get_context(CDF_MODULE_ID_PE);
if (!pMac) {
WMA_LOGE("%s: Invalid pMac", __func__);
return -EINVAL;
}
if (!pMac->sme.pExtScanIndCb) {
WMA_LOGE("%s: Callback not registered", __func__);
return -EINVAL;
}
param_buf = (WMI_EXTSCAN_CACHED_RESULTS_EVENTID_param_tlvs *)
cmd_param_info;
if (!param_buf) {
WMA_LOGE("%s: Invalid cached results event", __func__);
return -EINVAL;
}
event = param_buf->fixed_param;
src_hotlist = param_buf->bssid_list;
src_rssi = param_buf->rssi_list;
numap = event->num_entries_in_page;
WMA_LOGI("Total_entries %u first_entry_index %u", event->total_entries,
event->first_entry_index);
WMA_LOGI("num_entries_in_page %d", numap);
if (!src_hotlist || !src_rssi || !numap) {
WMA_LOGE("%s: Cached results empty, send 0 results", __func__);
goto noresults;
}
if (event->first_entry_index +
event->num_entries_in_page < event->total_entries)
moredata = 1;
else
moredata = 0;
dest_cachelist = cdf_mem_malloc(sizeof(*dest_cachelist));
if (!dest_cachelist) {
WMA_LOGE("%s: cdf_mem_malloc failed", __func__);
return -ENOMEM;
}
cdf_mem_zero(dest_cachelist, sizeof(*dest_cachelist));
dest_cachelist->request_id = event->request_id;
dest_cachelist->more_data = moredata;
scan_ids_cnt = wma_extscan_find_unique_scan_ids(cmd_param_info);
WMA_LOGI("%s: scan_ids_cnt %d", __func__, scan_ids_cnt);
dest_cachelist->num_scan_ids = scan_ids_cnt;
buf_len = sizeof(*dest_result) * scan_ids_cnt;
dest_cachelist->result = cdf_mem_malloc(buf_len);
if (!dest_cachelist->result) {
WMA_LOGE("%s: Allocation failed for scanid grouping", __func__);
cdf_mem_free(dest_cachelist);
return -ENOMEM;
}
dest_result = dest_cachelist->result;
wma_fill_num_results_per_scan_id(cmd_param_info, dest_result);
wma_group_num_bss_to_scan_id(cmd_param_info, dest_cachelist);
pMac->sme.pExtScanIndCb(pMac->hHdd,
eSIR_EXTSCAN_CACHED_RESULTS_IND,
dest_cachelist);
WMA_LOGI("%s: sending cached results event", __func__);
dest_result = dest_cachelist->result;
for (i = 0; i < dest_cachelist->num_scan_ids; i++) {
cdf_mem_free(dest_result->ap);
dest_result++;
}
cdf_mem_free(dest_cachelist->result);
cdf_mem_free(dest_cachelist);
return 0;
noresults:
empty_cachelist.request_id = event->request_id;
empty_cachelist.more_data = 0;
empty_cachelist.num_scan_ids = 0;
pMac->sme.pExtScanIndCb(pMac->hHdd,
eSIR_EXTSCAN_CACHED_RESULTS_IND,
&empty_cachelist);
WMA_LOGI("%s: sending cached results event", __func__);
return 0;
}
/**
* wma_extscan_change_results_event_handler() - change results event handler
* @handle: wma handle
* @cmd_param_info: event buffer
* @len: length
*
* This function handles change results event and indicate
* change results to upper layer.
*
* Return: 0 for success or error code.
*/
int wma_extscan_change_results_event_handler(void *handle,
uint8_t *cmd_param_info,
uint32_t len)
{
WMI_EXTSCAN_WLAN_CHANGE_RESULTS_EVENTID_param_tlvs *param_buf;
wmi_extscan_wlan_change_results_event_fixed_param *event;
tSirWifiSignificantChangeEvent *dest_chglist;
tSirWifiSignificantChange *dest_ap;
wmi_extscan_wlan_change_result_bssid *src_chglist;
int numap;
int i, k;
uint8_t *src_rssi;
int count = 0;
int moredata;
int rssi_num = 0;
tpAniSirGlobal pMac = cds_get_context(CDF_MODULE_ID_PE);
if (!pMac) {
WMA_LOGE("%s: Invalid pMac", __func__);
return -EINVAL;
}
if (!pMac->sme.pExtScanIndCb) {
WMA_LOGE("%s: Callback not registered", __func__);
return -EINVAL;
}
param_buf = (WMI_EXTSCAN_WLAN_CHANGE_RESULTS_EVENTID_param_tlvs *)
cmd_param_info;
if (!param_buf) {
WMA_LOGE("%s: Invalid change monitor event", __func__);
return -EINVAL;
}
event = param_buf->fixed_param;
src_chglist = param_buf->bssid_signal_descriptor_list;
src_rssi = param_buf->rssi_list;
numap = event->num_entries_in_page;
if (!src_chglist || !numap) {
WMA_LOGE("%s: Results invalid", __func__);
return -EINVAL;
}
for (i = 0; i < numap; i++) {
rssi_num += src_chglist->num_rssi_samples;
}
if (event->first_entry_index +
event->num_entries_in_page < event->total_entries) {
moredata = 1;
} else {
moredata = 0;
}
dest_chglist = cdf_mem_malloc(sizeof(*dest_chglist) +
sizeof(*dest_ap) * numap +
sizeof(int32_t) * rssi_num);
if (!dest_chglist) {
WMA_LOGE("%s: Allocation failed for change monitor", __func__);
return -ENOMEM;
}
dest_ap = &dest_chglist->ap[0];
for (i = 0; i < numap; i++) {
dest_ap->channel = src_chglist->channel;
WMI_MAC_ADDR_TO_CHAR_ARRAY(&src_chglist->bssid,
dest_ap->bssid.bytes);
dest_ap->numOfRssi = src_chglist->num_rssi_samples;
if (dest_ap->numOfRssi) {
for (k = 0; k < dest_ap->numOfRssi; k++) {
dest_ap->rssi[k] = WMA_TGT_NOISE_FLOOR_DBM +
src_rssi[count++];
}
}
dest_ap += dest_ap->numOfRssi * sizeof(int32_t);
src_chglist++;
}
dest_chglist->requestId = event->request_id;
dest_chglist->moreData = moredata;
dest_chglist->numResults = event->total_entries;
pMac->sme.pExtScanIndCb(pMac->hHdd,
eSIR_EXTSCAN_SIGNIFICANT_WIFI_CHANGE_RESULTS_IND,
dest_chglist);
WMA_LOGI("%s: sending change monitor results", __func__);
cdf_mem_free(dest_chglist);
return 0;
}
/**
* wma_passpoint_match_event_handler() - passpoint match found event handler
* @handle: WMA handle
* @cmd_param_info: event data
* @len: event data length
*
* This is the passpoint match found event handler; it reads event data from
* @cmd_param_info and fill in the destination buffer and sends indication
* up layer.
*
* Return: 0 on success; error number otherwise
*/
int wma_passpoint_match_event_handler(void *handle,
uint8_t *cmd_param_info,
uint32_t len)
{
WMI_PASSPOINT_MATCH_EVENTID_param_tlvs *param_buf;
wmi_passpoint_event_hdr *event;
struct wifi_passpoint_match *dest_match;
tSirWifiScanResult *dest_ap;
uint8_t *buf_ptr;
tpAniSirGlobal mac = cds_get_context(CDF_MODULE_ID_PE);
if (!mac) {
WMA_LOGE("%s: Invalid mac", __func__);
return -EINVAL;
}
if (!mac->sme.pExtScanIndCb) {
WMA_LOGE("%s: Callback not registered", __func__);
return -EINVAL;
}
param_buf = (WMI_PASSPOINT_MATCH_EVENTID_param_tlvs *) cmd_param_info;
if (!param_buf) {
WMA_LOGE("%s: Invalid passpoint match event", __func__);
return -EINVAL;
}
event = param_buf->fixed_param;
buf_ptr = (uint8_t *)param_buf->fixed_param;
dest_match = cdf_mem_malloc(sizeof(*dest_match) +
event->ie_length + event->anqp_length);
if (!dest_match) {
WMA_LOGE("%s: cdf_mem_malloc failed", __func__);
return -EINVAL;
}
dest_ap = &dest_match->ap;
dest_match->request_id = 0;
dest_match->id = event->id;
dest_match->anqp_len = event->anqp_length;
WMA_LOGI("%s: passpoint match: id: %u anqp length %u", __func__,
dest_match->id, dest_match->anqp_len);
dest_ap->channel = event->channel_mhz;
dest_ap->ts = event->timestamp;
dest_ap->rtt = event->rtt;
dest_ap->rssi = event->rssi;
dest_ap->rtt_sd = event->rtt_sd;
dest_ap->beaconPeriod = event->beacon_period;
dest_ap->capability = event->capability;
dest_ap->ieLength = event->ie_length;
WMI_MAC_ADDR_TO_CHAR_ARRAY(&event->bssid, dest_ap->bssid.bytes);
cdf_mem_copy(dest_ap->ssid, event->ssid.ssid,
event->ssid.ssid_len);
dest_ap->ssid[event->ssid.ssid_len] = '\0';
cdf_mem_copy(dest_ap->ieData, buf_ptr + sizeof(*event) +
WMI_TLV_HDR_SIZE, dest_ap->ieLength);
cdf_mem_copy(dest_match->anqp, buf_ptr + sizeof(*event) +
WMI_TLV_HDR_SIZE + dest_ap->ieLength,
dest_match->anqp_len);
mac->sme.pExtScanIndCb(mac->hHdd,
eSIR_PASSPOINT_NETWORK_FOUND_IND,
dest_match);
WMA_LOGI("%s: sending passpoint match event to hdd", __func__);
cdf_mem_free(dest_match);
return 0;
}
/**
* wma_extscan_hotlist_ssid_match_event_handler() -
* Handler for SSID hotlist match event from firmware
* @handle: WMA handle
* @cmd_param_info: WMI command buffer
* @len: length of @cmd_param_info
*
* Return: 0 on success, non-zero on failure
*/
int
wma_extscan_hotlist_ssid_match_event_handler(void *handle,
uint8_t *cmd_param_info,
uint32_t len)
{
WMI_EXTSCAN_HOTLIST_SSID_MATCH_EVENTID_param_tlvs *param_buf;
wmi_extscan_hotlist_ssid_match_event_fixed_param *event;
tSirWifiScanResultEvent *dest_hotlist;
tSirWifiScanResult *dest_ap;
wmi_extscan_wlan_descriptor *src_hotlist;
int numap, j;
bool ssid_found = false;
tpAniSirGlobal mac = cds_get_context(CDF_MODULE_ID_PE);
if (!mac) {
WMA_LOGE("%s: Invalid mac", __func__);
return -EINVAL;
}
if (!mac->sme.pExtScanIndCb) {
WMA_LOGE("%s: Callback not registered", __func__);
return -EINVAL;
}
param_buf = (WMI_EXTSCAN_HOTLIST_SSID_MATCH_EVENTID_param_tlvs *)
cmd_param_info;
if (!param_buf) {
WMA_LOGE("%s: Invalid hotlist match event", __func__);
return -EINVAL;
}
event = param_buf->fixed_param;
src_hotlist = param_buf->hotlist_ssid_match;
numap = event->total_entries;
if (!src_hotlist || !numap) {
WMA_LOGE("%s: Hotlist AP's list invalid", __func__);
return -EINVAL;
}
dest_hotlist = cdf_mem_malloc(sizeof(*dest_hotlist) +
sizeof(*dest_ap) * numap);
if (!dest_hotlist) {
WMA_LOGE("%s: Allocation failed for hotlist buffer",
__func__);
return -EINVAL;
}
dest_ap = &dest_hotlist->ap[0];
dest_hotlist->numOfAps = event->total_entries;
dest_hotlist->requestId = event->config_request_id;
if (event->first_entry_index +
event->num_entries_in_page < event->total_entries)
dest_hotlist->moreData = 1;
else
dest_hotlist->moreData = 0;
WMA_LOGD("%s: Hotlist match: requestId: %u,numOfAps: %d", __func__,
dest_hotlist->requestId, dest_hotlist->numOfAps);
for (j = 0; j < numap; j++) {
dest_ap->channel = src_hotlist->channel;
dest_ap->ts = src_hotlist->tstamp;
ssid_found = src_hotlist->flags & WMI_HOTLIST_FLAG_PRESENCE;
dest_ap->rtt = src_hotlist->rtt;
dest_ap->rtt_sd = src_hotlist->rtt_sd;
dest_ap->beaconPeriod = src_hotlist->beacon_interval;
dest_ap->capability = src_hotlist->capabilities;
dest_ap->ieLength = src_hotlist->ie_length;
WMI_MAC_ADDR_TO_CHAR_ARRAY(&src_hotlist->bssid,
dest_ap->bssid.bytes);
cdf_mem_copy(dest_ap->ssid, src_hotlist->ssid.ssid,
src_hotlist->ssid.ssid_len);
dest_ap->ssid[src_hotlist->ssid.ssid_len] = '\0';
dest_ap++;
src_hotlist++;
}
dest_hotlist->ap_found = ssid_found;
mac->sme.pExtScanIndCb(mac->hHdd,
eSIR_EXTSCAN_HOTLIST_SSID_MATCH_IND,
dest_hotlist);
WMA_LOGI("%s: sending hotlist ssid match event", __func__);
cdf_mem_free(dest_hotlist);
return 0;
}
/**
* wma_get_buf_extscan_start_cmd() - Fill extscan start request
* @handle: wma handle
* @pstart: scan command request params
* @buf: event buffer
* @buf_len: length of buffer
*
* This function fills individual elements of extscan request and
* TLV for buckets, channel list.
*
* Return: CDF Status.
*/
CDF_STATUS wma_get_buf_extscan_start_cmd(tp_wma_handle wma_handle,
tSirWifiScanCmdReqParams *pstart,
wmi_buf_t *buf, int *buf_len)
{
wmi_extscan_start_cmd_fixed_param *cmd;
wmi_extscan_bucket *dest_blist;
wmi_extscan_bucket_channel *dest_clist;
tSirWifiScanBucketSpec *src_bucket = pstart->buckets;
tSirWifiScanChannelSpec *src_channel = src_bucket->channels;
tSirWifiScanChannelSpec save_channel[WLAN_EXTSCAN_MAX_CHANNELS];
uint8_t *buf_ptr;
int i, k, count = 0;
int len = sizeof(*cmd);
int nbuckets = pstart->numBuckets;
int nchannels = 0;
/* These TLV's are are NULL by default */
uint32_t ie_len_with_pad = 0;
int num_ssid = 0;
int num_bssid = 0;
int ie_len = 0;
uint32_t base_period = pstart->basePeriod;
/* TLV placeholder for ssid_list (NULL) */
len += WMI_TLV_HDR_SIZE;
len += num_ssid * sizeof(wmi_ssid);
/* TLV placeholder for bssid_list (NULL) */
len += WMI_TLV_HDR_SIZE;
len += num_bssid * sizeof(wmi_mac_addr);
/* TLV placeholder for ie_data (NULL) */
len += WMI_TLV_HDR_SIZE;
len += ie_len * sizeof(uint32_t);
/* TLV placeholder for bucket */
len += WMI_TLV_HDR_SIZE;
len += nbuckets * sizeof(wmi_extscan_bucket);
/* TLV channel placeholder */
len += WMI_TLV_HDR_SIZE;
for (i = 0; i < nbuckets; i++) {
nchannels += src_bucket->numChannels;
src_bucket++;
}
WMA_LOGD("%s: Total buckets: %d total #of channels is %d",
__func__, nbuckets, nchannels);
len += nchannels * sizeof(wmi_extscan_bucket_channel);
/* Allocate the memory */
*buf = wmi_buf_alloc(wma_handle->wmi_handle, len);
if (!*buf) {
WMA_LOGP("%s: failed to allocate memory"
" for start extscan cmd", __func__);
return CDF_STATUS_E_NOMEM;
}
buf_ptr = (uint8_t *) wmi_buf_data(*buf);
cmd = (wmi_extscan_start_cmd_fixed_param *) buf_ptr;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_extscan_start_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_extscan_start_cmd_fixed_param));
cmd->request_id = pstart->requestId;
cmd->vdev_id = pstart->sessionId;
cmd->base_period = pstart->basePeriod;
cmd->num_buckets = nbuckets;
cmd->configuration_flags = 0;
if (pstart->configuration_flags & EXTSCAN_LP_EXTENDED_BATCHING)
cmd->configuration_flags |= WMI_EXTSCAN_EXTENDED_BATCHING_EN;
WMA_LOGI("%s: configuration_flags: 0x%x", __func__,
cmd->configuration_flags);
cmd->min_rest_time = WMA_EXTSCAN_REST_TIME;
cmd->max_rest_time = WMA_EXTSCAN_REST_TIME;
cmd->max_bssids_per_scan_cycle = pstart->maxAPperScan;
/* The max dwell time is retrieved from the first channel
* of the first bucket and kept common for all channels.
*/
cmd->min_dwell_time_active = pstart->min_dwell_time_active;
cmd->max_dwell_time_active = pstart->max_dwell_time_active;
cmd->min_dwell_time_passive = pstart->min_dwell_time_passive;
cmd->max_dwell_time_passive = pstart->max_dwell_time_passive;
cmd->max_bssids_per_scan_cycle = pstart->maxAPperScan;
cmd->max_table_usage = pstart->report_threshold_percent;
cmd->report_threshold_num_scans = pstart->report_threshold_num_scans;
cmd->repeat_probe_time = cmd->max_dwell_time_active /
WMA_SCAN_NPROBES_DEFAULT;
cmd->max_scan_time = WMA_EXTSCAN_MAX_SCAN_TIME;
cmd->probe_delay = 0;
cmd->probe_spacing_time = 0;
cmd->idle_time = 0;
cmd->burst_duration = WMA_EXTSCAN_BURST_DURATION;
cmd->scan_ctrl_flags = WMI_SCAN_ADD_BCAST_PROBE_REQ |
WMI_SCAN_ADD_CCK_RATES |
WMI_SCAN_ADD_OFDM_RATES | WMI_SCAN_ADD_SPOOFED_MAC_IN_PROBE_REQ;
cmd->scan_priority = WMI_SCAN_PRIORITY_HIGH;
cmd->num_ssids = 0;
cmd->num_bssid = 0;
cmd->ie_len = 0;
cmd->n_probes = (cmd->repeat_probe_time > 0) ?
cmd->max_dwell_time_active / cmd->repeat_probe_time : 0;
buf_ptr += sizeof(*cmd);
WMITLV_SET_HDR(buf_ptr,
WMITLV_TAG_ARRAY_FIXED_STRUC,
num_ssid * sizeof(wmi_ssid));
buf_ptr += WMI_TLV_HDR_SIZE + (num_ssid * sizeof(wmi_ssid));
WMITLV_SET_HDR(buf_ptr,
WMITLV_TAG_ARRAY_FIXED_STRUC,
num_bssid * sizeof(wmi_mac_addr));
buf_ptr += WMI_TLV_HDR_SIZE + (num_bssid * sizeof(wmi_mac_addr));
ie_len_with_pad = 0;
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_BYTE, ie_len_with_pad);
buf_ptr += WMI_TLV_HDR_SIZE + ie_len_with_pad;
WMITLV_SET_HDR(buf_ptr,
WMITLV_TAG_ARRAY_STRUC,
nbuckets * sizeof(wmi_extscan_bucket));
dest_blist = (wmi_extscan_bucket *)
(buf_ptr + WMI_TLV_HDR_SIZE);
src_bucket = pstart->buckets;
/* Retrieve scanning information from each bucket and
* channels and send it to the target
*/
for (i = 0; i < nbuckets; i++) {
WMITLV_SET_HDR(dest_blist,
WMITLV_TAG_STRUC_wmi_extscan_bucket_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN(wmi_extscan_bucket));
dest_blist->bucket_id = src_bucket->bucket;
dest_blist->base_period_multiplier =
src_bucket->period / base_period;
dest_blist->min_period = src_bucket->period;
dest_blist->max_period = src_bucket->max_period;
dest_blist->exp_backoff = src_bucket->exponent;
dest_blist->exp_max_step_count = src_bucket->step_count;
dest_blist->channel_band = src_bucket->band;
dest_blist->num_channels = src_bucket->numChannels;
dest_blist->notify_extscan_events = 0;
if (src_bucket->reportEvents & EXTSCAN_REPORT_EVENTS_EACH_SCAN)
dest_blist->notify_extscan_events =
WMI_EXTSCAN_BUCKET_COMPLETED_EVENT;
if (src_bucket->reportEvents &
EXTSCAN_REPORT_EVENTS_FULL_RESULTS) {
dest_blist->forwarding_flags =
WMI_EXTSCAN_FORWARD_FRAME_TO_HOST;
dest_blist->notify_extscan_events |=
WMI_EXTSCAN_BUCKET_COMPLETED_EVENT |
WMI_EXTSCAN_CYCLE_STARTED_EVENT |
WMI_EXTSCAN_CYCLE_COMPLETED_EVENT;
} else {
dest_blist->forwarding_flags =
WMI_EXTSCAN_NO_FORWARDING;
}
if (src_bucket->reportEvents & EXTSCAN_REPORT_EVENTS_NO_BATCH)
dest_blist->configuration_flags = 0;
else
dest_blist->configuration_flags =
WMI_EXTSCAN_BUCKET_CACHE_RESULTS;
WMA_LOGI("%s: ntfy_extscan_events:%u cfg_flags:%u fwd_flags:%u",
__func__, dest_blist->notify_extscan_events,
dest_blist->configuration_flags,
dest_blist->forwarding_flags);
dest_blist->min_dwell_time_active = src_bucket->min_dwell_time_active;
dest_blist->max_dwell_time_active = src_bucket->max_dwell_time_active;
dest_blist->min_dwell_time_passive = src_bucket->min_dwell_time_passive;
dest_blist->max_dwell_time_passive = src_bucket->max_dwell_time_passive;
src_channel = src_bucket->channels;
/* save the channel info to later populate
* the channel TLV
*/
for (k = 0; k < src_bucket->numChannels; k++) {
save_channel[count++].channel = src_channel->channel;
src_channel++;
}
dest_blist++;
src_bucket++;
}
buf_ptr += WMI_TLV_HDR_SIZE + (nbuckets * sizeof(wmi_extscan_bucket));
WMITLV_SET_HDR(buf_ptr,
WMITLV_TAG_ARRAY_STRUC,
nchannels * sizeof(wmi_extscan_bucket_channel));
dest_clist = (wmi_extscan_bucket_channel *)
(buf_ptr + WMI_TLV_HDR_SIZE);
/* Active or passive scan is based on the bucket dwell time
* and channel specific active,passive scans are not
* supported yet
*/
for (i = 0; i < nchannels; i++) {
WMITLV_SET_HDR(dest_clist,
WMITLV_TAG_STRUC_wmi_extscan_bucket_channel_event_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_extscan_bucket_channel));
dest_clist->channel = save_channel[i].channel;
dest_clist++;
}
buf_ptr += WMI_TLV_HDR_SIZE +
(nchannels * sizeof(wmi_extscan_bucket_channel));
*buf_len = len;
return CDF_STATUS_SUCCESS;
}
/**
* wma_start_extscan() - start extscan command to fw.
* @handle: wma handle
* @pstart: scan command request params
*
* This function sends start extscan request to fw.
*
* Return: CDF Status.
*/
CDF_STATUS wma_start_extscan(tp_wma_handle wma,
tSirWifiScanCmdReqParams *pstart)
{
CDF_STATUS cdf_status = CDF_STATUS_SUCCESS;
wmi_buf_t buf;
int len;
if (!wma || !wma->wmi_handle) {
WMA_LOGE("%s: WMA is closed,can not issue extscan cmd",
__func__);
return CDF_STATUS_E_INVAL;
}
if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
WMI_SERVICE_EXTSCAN)) {
WMA_LOGE("%s: extscan feature bit not enabled", __func__);
return CDF_STATUS_E_FAILURE;
}
/* Fill individual elements of extscan request and
* TLV for buckets, channel list.
*/
cdf_status = wma_get_buf_extscan_start_cmd(wma, pstart, &buf, &len);
if (cdf_status != CDF_STATUS_SUCCESS) {
WMA_LOGE("%s: Failed to get buffer for ext scan cmd", __func__);
return CDF_STATUS_E_FAILURE;
}
if (!buf) {
WMA_LOGE("%s:Failed to get buffer"
"for current extscan info", __func__);
return CDF_STATUS_E_FAILURE;
}
if (wmi_unified_cmd_send(wma->wmi_handle, buf,
len, WMI_EXTSCAN_START_CMDID)) {
WMA_LOGE("%s: failed to send command", __func__);
cdf_nbuf_free(buf);
return CDF_STATUS_E_FAILURE;
}
wma->interfaces[pstart->sessionId].extscan_in_progress = true;
WMA_LOGD("Extscan start request sent successfully for vdev %d",
pstart->sessionId);
return CDF_STATUS_SUCCESS;
}
/**
* wma_stop_extscan() - stop extscan command to fw.
* @handle: wma handle
* @pstopcmd: stop scan command request params
*
* This function sends stop extscan request to fw.
*
* Return: CDF Status.
*/
CDF_STATUS wma_stop_extscan(tp_wma_handle wma,
tSirExtScanStopReqParams *pstopcmd)
{
wmi_extscan_stop_cmd_fixed_param *cmd;
wmi_buf_t wmi_buf;
uint32_t len;
uint8_t *buf_ptr;
if (!wma || !wma->wmi_handle) {
WMA_LOGE("%s: WMA is closed, cannot issue cmd", __func__);
return CDF_STATUS_E_INVAL;
}
if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
WMI_SERVICE_EXTSCAN)) {
WMA_LOGE("%s: extscan not enabled", __func__);
return CDF_STATUS_E_FAILURE;
}
len = sizeof(*cmd);
wmi_buf = wmi_buf_alloc(wma->wmi_handle, len);
if (!wmi_buf) {
WMA_LOGE("%s: wmi_buf_alloc failed", __func__);
return CDF_STATUS_E_NOMEM;
}
buf_ptr = (uint8_t *) wmi_buf_data(wmi_buf);
cmd = (wmi_extscan_stop_cmd_fixed_param *) buf_ptr;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_extscan_stop_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_extscan_stop_cmd_fixed_param));
cmd->request_id = pstopcmd->requestId;
cmd->vdev_id = pstopcmd->sessionId;
if (wmi_unified_cmd_send(wma->wmi_handle, wmi_buf, len,
WMI_EXTSCAN_STOP_CMDID)) {
WMA_LOGE("%s: failed to command", __func__);
cdf_nbuf_free(wmi_buf);
return CDF_STATUS_E_FAILURE;
}
wma->interfaces[pstopcmd->sessionId].extscan_in_progress = false;
WMA_LOGD("Extscan stop request sent successfully for vdev %d",
pstopcmd->sessionId);
return CDF_STATUS_SUCCESS;
}
/** wma_get_hotlist_entries_per_page() - hotlist entries per page
* @wmi_handle: wmi handle.
* @cmd: size of command structure.
* @per_entry_size: per entry size.
*
* This utility function calculates how many hotlist entries can
* fit in one page.
*
* Return: number of entries
*/
static inline int wma_get_hotlist_entries_per_page(wmi_unified_t wmi_handle,
size_t cmd_size,
size_t per_entry_size)
{
uint32_t avail_space = 0;
int num_entries = 0;
uint16_t max_msg_len = wmi_get_max_msg_len(wmi_handle);
/* Calculate number of hotlist entries that can
* be passed in wma message request.
*/
avail_space = max_msg_len - cmd_size;
num_entries = avail_space / per_entry_size;
return num_entries;
}
/**
* wma_get_buf_extscan_hotlist_cmd() - prepare hotlist command
* @handle: wma handle
* @photlist: hotlist command params
* @buf_len: buffer length
*
* This function fills individual elements for hotlist request and
* TLV for bssid entries
*
* Return: CDF Status.
*/
CDF_STATUS wma_get_buf_extscan_hotlist_cmd(tp_wma_handle wma_handle,
tSirExtScanSetBssidHotListReqParams *
photlist, int *buf_len)
{
wmi_extscan_configure_hotlist_monitor_cmd_fixed_param *cmd = NULL;
wmi_extscan_hotlist_entry *dest_hotlist;
tSirAPThresholdParam *src_ap = photlist->ap;
wmi_buf_t buf;
uint8_t *buf_ptr;
int j, index = 0;
int cmd_len = 0;
int num_entries = 0;
int min_entries = 0;
int numap = photlist->numAp;
int len = sizeof(*cmd);
len += WMI_TLV_HDR_SIZE;
cmd_len = len;
/* setbssid hotlist expects the bssid list
* to be non zero value
*/
if (!numap) {
WMA_LOGE("%s: Invalid number of bssid's", __func__);
return CDF_STATUS_E_INVAL;
}
num_entries = wma_get_hotlist_entries_per_page(wma_handle->wmi_handle,
cmd_len,
sizeof(*dest_hotlist));
/* Split the hot list entry pages and send multiple command
* requests if the buffer reaches the maximum request size
*/
while (index < numap) {
min_entries = CDF_MIN(num_entries, numap);
len += min_entries * sizeof(wmi_extscan_hotlist_entry);
buf = wmi_buf_alloc(wma_handle->wmi_handle, len);
if (!buf) {
WMA_LOGP("%s: wmi_buf_alloc failed", __func__);
return CDF_STATUS_E_FAILURE;
}
buf_ptr = (uint8_t *) wmi_buf_data(buf);
cmd = (wmi_extscan_configure_hotlist_monitor_cmd_fixed_param *)
buf_ptr;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_extscan_configure_hotlist_monitor_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_extscan_configure_hotlist_monitor_cmd_fixed_param));
/* Multiple requests are sent until the num_entries_in_page
* matches the total_entries
*/
cmd->request_id = photlist->requestId;
cmd->vdev_id = photlist->sessionId;
cmd->total_entries = numap;
cmd->mode = 1;
cmd->num_entries_in_page = min_entries;
cmd->lost_ap_scan_count = photlist->lost_ap_sample_size;
cmd->first_entry_index = index;
WMA_LOGD("%s: vdev id:%d total_entries: %d num_entries: %d lost_ap_sample_size: %d",
__func__, cmd->vdev_id, cmd->total_entries,
cmd->num_entries_in_page,
cmd->lost_ap_scan_count);
buf_ptr += sizeof(*cmd);
WMITLV_SET_HDR(buf_ptr,
WMITLV_TAG_ARRAY_STRUC,
min_entries * sizeof(wmi_extscan_hotlist_entry));
dest_hotlist = (wmi_extscan_hotlist_entry *)
(buf_ptr + WMI_TLV_HDR_SIZE);
/* Populate bssid, channel info and rssi
* for the bssid's that are sent as hotlists.
*/
for (j = 0; j < min_entries; j++) {
WMITLV_SET_HDR(dest_hotlist,
WMITLV_TAG_STRUC_wmi_extscan_bucket_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_extscan_hotlist_entry));
dest_hotlist->min_rssi = src_ap->low;
WMI_CHAR_ARRAY_TO_MAC_ADDR(src_ap->bssid.bytes,
&dest_hotlist->bssid);
WMA_LOGD("%s:channel:%d min_rssi %d",
__func__, dest_hotlist->channel,
dest_hotlist->min_rssi);
WMA_LOGD
("%s: bssid mac_addr31to0: 0x%x, mac_addr47to32: 0x%x",
__func__, dest_hotlist->bssid.mac_addr31to0,
dest_hotlist->bssid.mac_addr47to32);
dest_hotlist++;
src_ap++;
}
buf_ptr += WMI_TLV_HDR_SIZE +
(min_entries * sizeof(wmi_extscan_hotlist_entry));
if (wmi_unified_cmd_send(wma_handle->wmi_handle, buf, len,
WMI_EXTSCAN_CONFIGURE_HOTLIST_MONITOR_CMDID)) {
WMA_LOGE("%s: failed to send command", __func__);
cdf_nbuf_free(buf);
return CDF_STATUS_E_FAILURE;
}
index = index + min_entries;
num_entries = numap - min_entries;
len = cmd_len;
}
return CDF_STATUS_SUCCESS;
}
/**
* wma_extscan_start_hotlist_monitor() - start hotlist monitor
* @wma: wma handle
* @photlist: hotlist request params
*
* This function configures hotlist monitor in fw.
*
* Return: CDF status
*/
CDF_STATUS wma_extscan_start_hotlist_monitor(tp_wma_handle wma,
tSirExtScanSetBssidHotListReqParams
*photlist)
{
CDF_STATUS cdf_status = CDF_STATUS_SUCCESS;
int len;
if (!wma || !wma->wmi_handle) {
WMA_LOGE("%s: WMA is closed, can not issue hotlist cmd",
__func__);
return CDF_STATUS_E_INVAL;
}
/* Fill individual elements for hotlist request and
* TLV for bssid entries
*/
cdf_status = wma_get_buf_extscan_hotlist_cmd(wma, photlist, &len);
if (cdf_status != CDF_STATUS_SUCCESS) {
WMA_LOGE("%s: Failed to get buffer"
"for hotlist scan cmd", __func__);
return CDF_STATUS_E_FAILURE;
}
return CDF_STATUS_SUCCESS;
}
/**
* wma_extscan_stop_hotlist_monitor() - stop hotlist monitor
* @wma: wma handle
* @photlist_reset: hotlist reset params
*
* This function configures hotlist monitor to stop in fw.
*
* Return: CDF status
*/
CDF_STATUS wma_extscan_stop_hotlist_monitor(tp_wma_handle wma,
tSirExtScanResetBssidHotlistReqParams
*photlist_reset)
{
wmi_extscan_configure_hotlist_monitor_cmd_fixed_param *cmd;
wmi_buf_t wmi_buf;
uint32_t len;
uint8_t *buf_ptr;
int hotlist_entries = 0;
if (!wma || !wma->wmi_handle) {
WMA_LOGE("%s: WMA is closed, can not issue cmd", __func__);
return CDF_STATUS_E_INVAL;
}
if (!photlist_reset) {
WMA_LOGE("%s: Invalid reset hotlist buffer", __func__);
return CDF_STATUS_E_INVAL;
}
if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
WMI_SERVICE_EXTSCAN)) {
WMA_LOGE("%s: extscan not enabled", __func__);
return CDF_STATUS_E_FAILURE;
}
len = sizeof(*cmd);
/* reset bssid hotlist with tlv set to 0 */
len += WMI_TLV_HDR_SIZE;
len += hotlist_entries * sizeof(wmi_extscan_hotlist_entry);
wmi_buf = wmi_buf_alloc(wma->wmi_handle, len);
if (!wmi_buf) {
WMA_LOGE("%s: wmi_buf_alloc failed", __func__);
return CDF_STATUS_E_NOMEM;
}
buf_ptr = (uint8_t *) wmi_buf_data(wmi_buf);
cmd = (wmi_extscan_configure_hotlist_monitor_cmd_fixed_param *)
buf_ptr;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_extscan_configure_hotlist_monitor_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_extscan_configure_hotlist_monitor_cmd_fixed_param));
cmd->request_id = photlist_reset->requestId;
cmd->vdev_id = photlist_reset->sessionId;
cmd->mode = 0;
buf_ptr += sizeof(*cmd);
WMITLV_SET_HDR(buf_ptr,
WMITLV_TAG_ARRAY_STRUC,
hotlist_entries * sizeof(wmi_extscan_hotlist_entry));
buf_ptr += WMI_TLV_HDR_SIZE +
(hotlist_entries * sizeof(wmi_extscan_hotlist_entry));
if (wmi_unified_cmd_send(wma->wmi_handle, wmi_buf, len,
WMI_EXTSCAN_CONFIGURE_HOTLIST_MONITOR_CMDID)) {
WMA_LOGE("%s: failed to command", __func__);
cdf_nbuf_free(wmi_buf);
return CDF_STATUS_E_FAILURE;
}
return CDF_STATUS_SUCCESS;
}
/**
* wma_get_buf_extscan_change_monitor_cmd() - fill change monitor request
* @wma: wma handle
* @psigchange: change monitor request params
* @buf: wmi buffer
* @buf_len: buffer length
*
* This function fills elements of change monitor request buffer.
*
* Return: CDF status
*/
CDF_STATUS wma_get_buf_extscan_change_monitor_cmd(tp_wma_handle wma_handle,
tSirExtScanSetSigChangeReqParams
*psigchange, wmi_buf_t *buf,
int *buf_len)
{
wmi_extscan_configure_wlan_change_monitor_cmd_fixed_param *cmd;
wmi_extscan_wlan_change_bssid_param *dest_chglist;
uint8_t *buf_ptr;
int j;
int len = sizeof(*cmd);
int numap = psigchange->numAp;
tSirAPThresholdParam *src_ap = psigchange->ap;
if (!numap) {
WMA_LOGE("%s: Invalid number of bssid's", __func__);
return CDF_STATUS_E_INVAL;
}
len += WMI_TLV_HDR_SIZE;
len += numap * sizeof(wmi_extscan_wlan_change_bssid_param);
*buf = wmi_buf_alloc(wma_handle->wmi_handle, len);
if (!*buf) {
WMA_LOGP("%s: failed to allocate memory for change monitor cmd",
__func__);
return CDF_STATUS_E_FAILURE;
}
buf_ptr = (uint8_t *) wmi_buf_data(*buf);
cmd =
(wmi_extscan_configure_wlan_change_monitor_cmd_fixed_param *)
buf_ptr;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_extscan_configure_wlan_change_monitor_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_extscan_configure_wlan_change_monitor_cmd_fixed_param));
cmd->request_id = psigchange->requestId;
cmd->vdev_id = psigchange->sessionId;
cmd->total_entries = numap;
cmd->mode = 1;
cmd->num_entries_in_page = numap;
cmd->lost_ap_scan_count = psigchange->lostApSampleSize;
cmd->max_rssi_samples = psigchange->rssiSampleSize;
cmd->rssi_averaging_samples = psigchange->rssiSampleSize;
cmd->max_out_of_range_count = psigchange->minBreaching;
buf_ptr += sizeof(*cmd);
WMITLV_SET_HDR(buf_ptr,
WMITLV_TAG_ARRAY_STRUC,
numap * sizeof(wmi_extscan_wlan_change_bssid_param));
dest_chglist = (wmi_extscan_wlan_change_bssid_param *)
(buf_ptr + WMI_TLV_HDR_SIZE);
for (j = 0; j < numap; j++) {
WMITLV_SET_HDR(dest_chglist,
WMITLV_TAG_STRUC_wmi_extscan_bucket_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_extscan_wlan_change_bssid_param));
dest_chglist->lower_rssi_limit = src_ap->low;
dest_chglist->upper_rssi_limit = src_ap->high;
WMI_CHAR_ARRAY_TO_MAC_ADDR(src_ap->bssid.bytes,
&dest_chglist->bssid);
WMA_LOGD("%s: min_rssi %d", __func__,
dest_chglist->lower_rssi_limit);
dest_chglist++;
src_ap++;
}
buf_ptr += WMI_TLV_HDR_SIZE +
(numap * sizeof(wmi_extscan_wlan_change_bssid_param));
*buf_len = len;
return CDF_STATUS_SUCCESS;
}
/**
* wma_extscan_start_change_monitor() - send start change monitor cmd
* @wma: wma handle
* @psigchange: change monitor request params
*
* This function sends start change monitor request to fw.
*
* Return: CDF status
*/
CDF_STATUS wma_extscan_start_change_monitor(tp_wma_handle wma,
tSirExtScanSetSigChangeReqParams *
psigchange)
{
CDF_STATUS cdf_status = CDF_STATUS_SUCCESS;
wmi_buf_t buf;
int len;
if (!wma || !wma->wmi_handle) {
WMA_LOGE("%s: WMA is closed,can not issue extscan cmd",
__func__);
return CDF_STATUS_E_INVAL;
}
/* Fill individual elements of change monitor and
* TLV info ... */
cdf_status = wma_get_buf_extscan_change_monitor_cmd(wma,
psigchange, &buf,
&len);
if (cdf_status != CDF_STATUS_SUCCESS) {
WMA_LOGE("%s: Failed to get buffer for change monitor cmd",
__func__);
return CDF_STATUS_E_FAILURE;
}
if (!buf) {
WMA_LOGE("%s: Failed to get buffer", __func__);
return CDF_STATUS_E_FAILURE;
}
if (wmi_unified_cmd_send(wma->wmi_handle, buf, len,
WMI_EXTSCAN_CONFIGURE_WLAN_CHANGE_MONITOR_CMDID)) {
WMA_LOGE("%s: failed to send command", __func__);
cdf_nbuf_free(buf);
return CDF_STATUS_E_FAILURE;
}
return CDF_STATUS_SUCCESS;
}
/**
* wma_extscan_stop_change_monitor() - send stop change monitor cmd
* @wma: wma handle
* @pResetReq: Reset change request params
*
* This function sends stop change monitor request to fw.
*
* Return: CDF status
*/
CDF_STATUS wma_extscan_stop_change_monitor(tp_wma_handle wma,
tSirExtScanResetSignificantChangeReqParams
*pResetReq)
{
wmi_extscan_configure_wlan_change_monitor_cmd_fixed_param *cmd;
wmi_buf_t wmi_buf;
uint32_t len;
uint8_t *buf_ptr;
int change_list = 0;
if (!wma || !wma->wmi_handle) {
WMA_LOGE("%s: WMA is closed, can not issue cmd", __func__);
return CDF_STATUS_E_INVAL;
}
if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
WMI_SERVICE_EXTSCAN)) {
WMA_LOGE("%s: ext scan not enabled", __func__);
return CDF_STATUS_E_FAILURE;
}
len = sizeof(*cmd);
/* reset significant change tlv is set to 0 */
len += WMI_TLV_HDR_SIZE;
len += change_list * sizeof(wmi_extscan_wlan_change_bssid_param);
wmi_buf = wmi_buf_alloc(wma->wmi_handle, len);
if (!wmi_buf) {
WMA_LOGE("%s: wmi_buf_alloc failed", __func__);
return CDF_STATUS_E_NOMEM;
}
buf_ptr = (uint8_t *) wmi_buf_data(wmi_buf);
cmd = (wmi_extscan_configure_wlan_change_monitor_cmd_fixed_param *)
buf_ptr;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_extscan_configure_wlan_change_monitor_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_extscan_configure_wlan_change_monitor_cmd_fixed_param));
cmd->request_id = pResetReq->requestId;
cmd->vdev_id = pResetReq->sessionId;
cmd->mode = 0;
buf_ptr += sizeof(*cmd);
WMITLV_SET_HDR(buf_ptr,
WMITLV_TAG_ARRAY_STRUC,
change_list *
sizeof(wmi_extscan_wlan_change_bssid_param));
buf_ptr += WMI_TLV_HDR_SIZE + (change_list *
sizeof
(wmi_extscan_wlan_change_bssid_param));
if (wmi_unified_cmd_send(wma->wmi_handle, wmi_buf, len,
WMI_EXTSCAN_CONFIGURE_WLAN_CHANGE_MONITOR_CMDID)) {
WMA_LOGE("%s: failed to command", __func__);
cdf_nbuf_free(wmi_buf);
return CDF_STATUS_E_FAILURE;
}
return CDF_STATUS_SUCCESS;
}
/**
* wma_extscan_get_cached_results() - extscan get cached results
* @wma: wma handle
* @pcached_results: cached results parameters
*
* This function send request to fw to get cached results.
*
* Return: CDF status
*/
CDF_STATUS wma_extscan_get_cached_results(tp_wma_handle wma,
tSirExtScanGetCachedResultsReqParams *
pcached_results)
{
wmi_extscan_get_cached_results_cmd_fixed_param *cmd;
wmi_buf_t wmi_buf;
uint32_t len;
uint8_t *buf_ptr;
if (!wma || !wma->wmi_handle) {
WMA_LOGE("%s: WMA is closed, cannot issue cmd", __func__);
return CDF_STATUS_E_INVAL;
}
if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
WMI_SERVICE_EXTSCAN)) {
WMA_LOGE("%s: extscan not enabled", __func__);
return CDF_STATUS_E_FAILURE;
}
len = sizeof(*cmd);
wmi_buf = wmi_buf_alloc(wma->wmi_handle, len);
if (!wmi_buf) {
WMA_LOGE("%s: wmi_buf_alloc failed", __func__);
return CDF_STATUS_E_NOMEM;
}
buf_ptr = (uint8_t *) wmi_buf_data(wmi_buf);
cmd = (wmi_extscan_get_cached_results_cmd_fixed_param *) buf_ptr;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_extscan_get_cached_results_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_extscan_get_cached_results_cmd_fixed_param));
cmd->request_id = pcached_results->requestId;
cmd->vdev_id = pcached_results->sessionId;
cmd->control_flags = pcached_results->flush;
if (wmi_unified_cmd_send(wma->wmi_handle, wmi_buf, len,
WMI_EXTSCAN_GET_CACHED_RESULTS_CMDID)) {
WMA_LOGE("%s: failed to command", __func__);
cdf_nbuf_free(wmi_buf);
return CDF_STATUS_E_FAILURE;
}
return CDF_STATUS_SUCCESS;
}
/**
* wma_extscan_get_capabilities() - extscan get capabilities
* @wma: wma handle
* @pgetcapab: get capabilities params
*
* This function send request to fw to get extscan capabilities.
*
* Return: CDF status
*/
CDF_STATUS wma_extscan_get_capabilities(tp_wma_handle wma,
tSirGetExtScanCapabilitiesReqParams *
pgetcapab)
{
wmi_extscan_get_capabilities_cmd_fixed_param *cmd;
wmi_buf_t wmi_buf;
uint32_t len;
uint8_t *buf_ptr;
if (!wma || !wma->wmi_handle) {
WMA_LOGE("%s: WMA is closed, can not issue cmd", __func__);
return CDF_STATUS_E_INVAL;
}
if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
WMI_SERVICE_EXTSCAN)) {
WMA_LOGE("%s: extscan not enabled", __func__);
return CDF_STATUS_E_FAILURE;
}
len = sizeof(*cmd);
wmi_buf = wmi_buf_alloc(wma->wmi_handle, len);
if (!wmi_buf) {
WMA_LOGE("%s: wmi_buf_alloc failed", __func__);
return CDF_STATUS_E_NOMEM;
}
buf_ptr = (uint8_t *) wmi_buf_data(wmi_buf);
cmd = (wmi_extscan_get_capabilities_cmd_fixed_param *) buf_ptr;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_extscan_get_capabilities_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_extscan_get_capabilities_cmd_fixed_param));
cmd->request_id = pgetcapab->requestId;
if (wmi_unified_cmd_send(wma->wmi_handle, wmi_buf, len,
WMI_EXTSCAN_GET_CAPABILITIES_CMDID)) {
WMA_LOGE("%s: failed to command", __func__);
cdf_nbuf_free(wmi_buf);
return CDF_STATUS_E_FAILURE;
}
return CDF_STATUS_SUCCESS;
}
CDF_STATUS wma_ipa_offload_enable_disable(tp_wma_handle wma,
struct sir_ipa_offload_enable_disable *ipa_offload)
{
wmi_ipa_offload_enable_disable_cmd_fixed_param *cmd;
wmi_buf_t wmi_buf;
uint32_t len;
u_int8_t *buf_ptr;
ol_txrx_vdev_handle vdev;
struct txrx_pdev_cfg_t *cfg;
int32_t intra_bss_fwd = 0;
if (!wma || !wma->wmi_handle) {
WMA_LOGE("%s: WMA is closed, can not issue cmd",
__func__);
return CDF_STATUS_E_INVAL;
}
if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
((ipa_offload->offload_type == AP_RX_DATA_OFFLOAD) ?
WMI_SERVICE_HSOFFLOAD :
WMI_SERVICE_STA_RX_IPA_OFFLOAD_SUPPORT))) {
WMA_LOGE("%s: %s not supported", __func__,
((ipa_offload->offload_type == AP_RX_DATA_OFFLOAD) ?
"WMI_SERVICE_HSOFFLOAD" :
"WMI_SERVICE_STA_RX_IPA_OFFLOAD_SUPPORT"));
return CDF_STATUS_E_FAILURE;
}
if (ipa_offload->offload_type > STA_RX_DATA_OFFLOAD) {
return CDF_STATUS_E_INVAL;
}
len = sizeof(*cmd);
wmi_buf = wmi_buf_alloc(wma->wmi_handle, len);
if (!wmi_buf) {
WMA_LOGE("%s: wmi_buf_alloc failed (len=%d)", __func__, len);
return CDF_STATUS_E_NOMEM;
}
WMA_LOGE("%s: offload_type=%d, enable=%d", __func__,
ipa_offload->offload_type, ipa_offload->enable);
buf_ptr = (u_int8_t *)wmi_buf_data(wmi_buf);
cmd = (wmi_ipa_offload_enable_disable_cmd_fixed_param *)buf_ptr;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUCT_wmi_ipa_offload_enable_disable_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN(
wmi_ipa_offload_enable_disable_cmd_fixed_param));
cmd->offload_type = ipa_offload->offload_type;
cmd->vdev_id = ipa_offload->vdev_id;
cmd->enable = ipa_offload->enable;
if (wmi_unified_cmd_send(wma->wmi_handle, wmi_buf, len,
WMI_IPA_OFFLOAD_ENABLE_DISABLE_CMDID)) {
WMA_LOGE("%s: failed to command", __func__);
wmi_buf_free(wmi_buf);
return CDF_STATUS_E_FAILURE;
}
/*
* Check if VDEV is already deleted. If deleted, don't
* send INTRA BSS FWD WMI command
*/
vdev = wma_find_vdev_by_id(wma, ipa_offload->vdev_id);
if (!vdev)
return CDF_STATUS_SUCCESS;
/* Disable Intra-BSS FWD offload when gDisableIntraBssFwd=1 in INI */
cfg = (struct txrx_pdev_cfg_t *)vdev->pdev->ctrl_pdev;
if (!ipa_offload->enable || cfg->rx_fwd_disabled) {
WMA_LOGE("%s: ipa_offload->enable=%d, rx_fwd_disabled=%d",
__func__,
ipa_offload->enable, cfg->rx_fwd_disabled);
intra_bss_fwd = 1;
}
/* Disable/enable WMI_VDEV_PARAM_INTRA_BSS_FWD */
if (wmi_unified_vdev_set_param_send(wma->wmi_handle,
ipa_offload->vdev_id, WMI_VDEV_PARAM_INTRA_BSS_FWD,
intra_bss_fwd)) {
WMA_LOGE("Failed to disable WMI_VDEV_PARAM_INTRA_BSS_FWD");
return CDF_STATUS_E_FAILURE;
}
return CDF_STATUS_SUCCESS;
}
/** wma_set_epno_network_list() - set epno network list
* @wma: WMA handle
* @req: epno config params request structure
*
* This function reads the incoming epno config request structure
* and constructs the WMI message to the firmware.
*
* Returns: 0 on success, error number otherwise
*/
CDF_STATUS wma_set_epno_network_list(tp_wma_handle wma,
struct wifi_epno_params *req)
{
wmi_nlo_config_cmd_fixed_param *cmd;
nlo_configured_parameters *nlo_list;
u_int8_t i, *buf_ptr;
wmi_buf_t buf;
uint32_t len;
int ret;
WMA_LOGD("wma_set_epno_network_list");
if (!wma || !wma->wmi_handle) {
WMA_LOGE("%s: WMA is closed, can not issue cmd", __func__);
return CDF_STATUS_E_FAILURE;
}
if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
WMI_SERVICE_EXTSCAN)) {
WMA_LOGE("%s: extscan not enabled", __func__);
return CDF_STATUS_E_NOSUPPORT;
}
/* TLV place holder for array of structures
* nlo_configured_parameters(nlo_list) */
len = sizeof(*cmd) + WMI_TLV_HDR_SIZE;
len += sizeof(nlo_configured_parameters) *
CDF_MIN(req->num_networks, WMI_NLO_MAX_SSIDS);
buf = wmi_buf_alloc(wma->wmi_handle, len);
if (!buf) {
WMA_LOGE("%s: Failed allocate wmi buffer", __func__);
return CDF_STATUS_E_NOMEM;
}
cmd = (wmi_nlo_config_cmd_fixed_param *) wmi_buf_data(buf);
buf_ptr = (u_int8_t *) cmd;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_nlo_config_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN(
wmi_nlo_config_cmd_fixed_param));
cmd->vdev_id = req->session_id;
cmd->flags = WMI_NLO_CONFIG_ENLO;
buf_ptr += sizeof(wmi_nlo_config_cmd_fixed_param);
cmd->no_of_ssids = CDF_MIN(req->num_networks, WMI_NLO_MAX_SSIDS);
WMA_LOGD("SSID count: %d", cmd->no_of_ssids);
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
cmd->no_of_ssids * sizeof(nlo_configured_parameters));
buf_ptr += WMI_TLV_HDR_SIZE;
nlo_list = (nlo_configured_parameters *) buf_ptr;
for (i = 0; i < cmd->no_of_ssids; i++) {
WMITLV_SET_HDR(&nlo_list[i].tlv_header,
WMITLV_TAG_ARRAY_BYTE,
WMITLV_GET_STRUCT_TLVLEN(nlo_configured_parameters));
/* Copy ssid and it's length */
nlo_list[i].ssid.valid = true;
nlo_list[i].ssid.ssid.ssid_len = req->networks[i].ssid.length;
cdf_mem_copy(nlo_list[i].ssid.ssid.ssid,
req->networks[i].ssid.ssId,
nlo_list[i].ssid.ssid.ssid_len);
WMA_LOGD("index: %d ssid: %.*s len: %d", i,
nlo_list[i].ssid.ssid.ssid_len,
(char *) nlo_list[i].ssid.ssid.ssid,
nlo_list[i].ssid.ssid.ssid_len);
/* Copy rssi threshold */
nlo_list[i].rssi_cond.valid = true;
nlo_list[i].rssi_cond.rssi =
req->networks[i].rssi_threshold;
WMA_LOGD("RSSI threshold : %d dBm",
nlo_list[i].rssi_cond.rssi);
/* Copy pno flags */
nlo_list[i].bcast_nw_type.valid = true;
nlo_list[i].bcast_nw_type.bcast_nw_type =
req->networks[i].flags;
WMA_LOGD("PNO flags (%u)",
nlo_list[i].bcast_nw_type.bcast_nw_type);
/* Copy auth bit field */
nlo_list[i].auth_type.valid = true;
nlo_list[i].auth_type.auth_type =
req->networks[i].auth_bit_field;
WMA_LOGD("Auth bit field (%u)",
nlo_list[i].auth_type.auth_type);
}
ret = wmi_unified_cmd_send(wma->wmi_handle, buf, len,
WMI_NETWORK_LIST_OFFLOAD_CONFIG_CMDID);
if (ret) {
WMA_LOGE("%s: Failed to send nlo wmi cmd", __func__);
wmi_buf_free(buf);
return CDF_STATUS_E_FAILURE;
}
WMA_LOGD("set ePNO list request sent successfully for vdev %d",
req->session_id);
return CDF_STATUS_SUCCESS;
}
/**
* wma_set_passpoint_network_list() - set passpoint network list
* @handle: WMA handle
* @req: passpoint network request structure
*
* This function reads the incoming @req and fill in the destination
* WMI structure and send down the passpoint configs down to the firmware
*
* Return: CDF_STATUS enumeration
*/
CDF_STATUS wma_set_passpoint_network_list(tp_wma_handle wma,
struct wifi_passpoint_req *req)
{
wmi_passpoint_config_cmd_fixed_param *cmd;
u_int8_t i, j, *bytes;
wmi_buf_t buf;
uint32_t len;
int ret;
WMA_LOGD("wma_set_passpoint_network_list");
if (!wma || !wma->wmi_handle) {
WMA_LOGE("%s: WMA is closed, can not issue cmd", __func__);
return CDF_STATUS_E_FAILURE;
}
if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
WMI_SERVICE_EXTSCAN)) {
WMA_LOGE("%s: extscan not enabled", __func__);
return CDF_STATUS_E_NOSUPPORT;
}
len = sizeof(*cmd);
for (i = 0; i < req->num_networks; i++) {
buf = wmi_buf_alloc(wma->wmi_handle, len);
if (!buf) {
WMA_LOGE("%s: Failed allocate wmi buffer", __func__);
return CDF_STATUS_E_NOMEM;
}
cmd = (wmi_passpoint_config_cmd_fixed_param *)
wmi_buf_data(buf);
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_passpoint_config_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN(
wmi_passpoint_config_cmd_fixed_param));
cmd->id = req->networks[i].id;
WMA_LOGD("%s: network id: %u", __func__, cmd->id);
cdf_mem_copy(cmd->realm, req->networks[i].realm,
strlen(req->networks[i].realm) + 1);
WMA_LOGD("%s: realm: %s", __func__, cmd->realm);
for (j = 0; j < PASSPOINT_ROAMING_CONSORTIUM_ID_NUM; j++) {
bytes = (uint8_t *) &req->networks[i].roaming_consortium_ids[j];
WMA_LOGD("index: %d rcids: %02x %02x %02x %02x %02x %02x %02x %02x",
j, bytes[0], bytes[1], bytes[2], bytes[3],
bytes[4], bytes[5], bytes[6], bytes[7]);
cdf_mem_copy(&cmd->roaming_consortium_ids[j],
&req->networks[i].roaming_consortium_ids[j],
PASSPOINT_ROAMING_CONSORTIUM_ID_LEN);
}
cdf_mem_copy(cmd->plmn, req->networks[i].plmn,
PASSPOINT_PLMN_ID_LEN);
WMA_LOGD("%s: plmn: %02x:%02x:%02x", __func__,
cmd->plmn[0], cmd->plmn[1], cmd->plmn[2]);
ret = wmi_unified_cmd_send(wma->wmi_handle, buf, len,
WMI_PASSPOINT_LIST_CONFIG_CMDID);
if (ret) {
WMA_LOGE("%s: Failed to send set passpoint network list wmi cmd",
__func__);
wmi_buf_free(buf);
return CDF_STATUS_E_FAILURE;
}
}
WMA_LOGD("Set passpoint network list request is sent successfully for vdev %d",
req->session_id);
return CDF_STATUS_SUCCESS;
}
/**
* wma_reset_passpoint_network_list() - reset passpoint network list
* @handle: WMA handle
* @req: passpoint network request structure
*
* This function sends down WMI command with network id set to wildcard id.
* firmware shall clear all the config entries
*
* Return: CDF_STATUS enumeration
*/
CDF_STATUS wma_reset_passpoint_network_list(tp_wma_handle wma,
struct wifi_passpoint_req *req)
{
wmi_passpoint_config_cmd_fixed_param *cmd;
wmi_buf_t buf;
uint32_t len;
int ret;
WMA_LOGD("wma_reset_passpoint_network_list");
if (!wma || !wma->wmi_handle) {
WMA_LOGE("%s: WMA is closed, can not issue cmd", __func__);
return CDF_STATUS_E_FAILURE;
}
if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
WMI_SERVICE_EXTSCAN)) {
WMA_LOGE("%s: extscan not enabled", __func__);
return CDF_STATUS_E_NOSUPPORT;
}
len = sizeof(*cmd);
buf = wmi_buf_alloc(wma->wmi_handle, len);
if (!buf) {
WMA_LOGE("%s: Failed allocate wmi buffer", __func__);
return CDF_STATUS_E_NOMEM;
}
cmd = (wmi_passpoint_config_cmd_fixed_param *) wmi_buf_data(buf);
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_passpoint_config_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN(
wmi_passpoint_config_cmd_fixed_param));
cmd->id = WMI_PASSPOINT_NETWORK_ID_WILDCARD;
ret = wmi_unified_cmd_send(wma->wmi_handle, buf, len,
WMI_PASSPOINT_LIST_CONFIG_CMDID);
if (ret) {
WMA_LOGE("%s: Failed to send reset passpoint network list wmi cmd",
__func__);
wmi_buf_free(buf);
return CDF_STATUS_E_FAILURE;
}
WMA_LOGD("Reset passpoint network list request is sent successfully for vdev %d",
req->session_id);
return CDF_STATUS_SUCCESS;
}
/**
* wma_set_ssid_hotlist() - Handle an SSID hotlist set request
* @wma: WMA handle
* @request: SSID hotlist set request from SME
*
* Return: CDF_STATUS enumeration
*/
CDF_STATUS
wma_set_ssid_hotlist(tp_wma_handle wma,
struct sir_set_ssid_hotlist_request *request)
{
wmi_extscan_configure_hotlist_ssid_monitor_cmd_fixed_param *cmd;
wmi_buf_t wmi_buf;
uint32_t len;
uint32_t array_size;
uint8_t *buf_ptr;
if (!wma || !wma->wmi_handle) {
WMA_LOGE("%s: WMA is closed, can not issue hotlist cmd",
__func__);
return CDF_STATUS_E_FAILURE;
}
if (!request) {
WMA_LOGE("%s: Invalid request buffer", __func__);
return CDF_STATUS_E_FAILURE;
}
if (!WMI_SERVICE_IS_ENABLED(wma->wmi_service_bitmap,
WMI_SERVICE_EXTSCAN)) {
WMA_LOGE("%s: extscan not enabled",
__func__);
return CDF_STATUS_E_NOSUPPORT;
}
/* length of fixed portion */
len = sizeof(*cmd);
/* length of variable portion */
array_size =
request->ssid_count * sizeof(wmi_extscan_hotlist_ssid_entry);
len += WMI_TLV_HDR_SIZE + array_size;
wmi_buf = wmi_buf_alloc(wma->wmi_handle, len);
if (!wmi_buf) {
WMA_LOGE("%s: wmi_buf_alloc failed", __func__);
return CDF_STATUS_E_NOMEM;
}
buf_ptr = (uint8_t *) wmi_buf_data(wmi_buf);
cmd = (wmi_extscan_configure_hotlist_ssid_monitor_cmd_fixed_param *)
buf_ptr;
WMITLV_SET_HDR
(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_extscan_configure_hotlist_ssid_monitor_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_extscan_configure_hotlist_ssid_monitor_cmd_fixed_param));
cmd->request_id = request->request_id;
cmd->requestor_id = 0;
cmd->vdev_id = request->session_id;
cmd->table_id = 0;
cmd->lost_ap_scan_count = request->lost_ssid_sample_size;
cmd->total_entries = request->ssid_count;
cmd->num_entries_in_page = request->ssid_count;
cmd->first_entry_index = 0;
buf_ptr += sizeof(*cmd);
WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC, array_size);
if (request->ssid_count) {
wmi_extscan_hotlist_ssid_entry *entry;
int i;
buf_ptr += WMI_TLV_HDR_SIZE;
entry = (wmi_extscan_hotlist_ssid_entry *)buf_ptr;
for (i = 0; i < request->ssid_count; i++) {
WMITLV_SET_HDR
(entry,
WMITLV_TAG_ARRAY_STRUC,
WMITLV_GET_STRUCT_TLVLEN
(wmi_extscan_hotlist_ssid_entry));
entry->ssid.ssid_len = request->ssids[i].ssid.length;
cdf_mem_copy(entry->ssid.ssid,
request->ssids[i].ssid.ssId,
request->ssids[i].ssid.length);
entry->band = request->ssids[i].band;
entry->min_rssi = request->ssids[i].rssi_low;
entry->max_rssi = request->ssids[i].rssi_high;
entry++;
}
cmd->mode = WMI_EXTSCAN_MODE_START;
} else {
cmd->mode = WMI_EXTSCAN_MODE_STOP;
}
if (wmi_unified_cmd_send
(wma->wmi_handle, wmi_buf, len,
WMI_EXTSCAN_CONFIGURE_HOTLIST_SSID_MONITOR_CMDID)) {
WMA_LOGE("%s: failed to send command", __func__);
wmi_buf_free(wmi_buf);
return CDF_STATUS_E_FAILURE;
}
return CDF_STATUS_SUCCESS;
}
#endif
/**
* wma_scan_probe_setoui() - set scan probe OUI
* @wma: wma handle
* @psetoui: OUI parameters
*
* set scan probe OUI parameters in firmware
*
* Return: CDF status
*/
CDF_STATUS wma_scan_probe_setoui(tp_wma_handle wma, tSirScanMacOui *psetoui)
{
wmi_scan_prob_req_oui_cmd_fixed_param *cmd;
wmi_buf_t wmi_buf;
uint32_t len;
uint8_t *buf_ptr;
uint32_t *oui_buf;
if (!wma || !wma->wmi_handle) {
WMA_LOGE("%s: WMA is closed, can not issue cmd", __func__);
return CDF_STATUS_E_INVAL;
}
len = sizeof(*cmd);
wmi_buf = wmi_buf_alloc(wma->wmi_handle, len);
if (!wmi_buf) {
WMA_LOGE("%s: wmi_buf_alloc failed", __func__);
return CDF_STATUS_E_NOMEM;
}
buf_ptr = (uint8_t *) wmi_buf_data(wmi_buf);
cmd = (wmi_scan_prob_req_oui_cmd_fixed_param *) buf_ptr;
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_scan_prob_req_oui_cmd_fixed_param,
WMITLV_GET_STRUCT_TLVLEN
(wmi_scan_prob_req_oui_cmd_fixed_param));
oui_buf = &cmd->prob_req_oui;
cdf_mem_zero(oui_buf, sizeof(cmd->prob_req_oui));
*oui_buf = psetoui->oui[0] << 16 | psetoui->oui[1] << 8
| psetoui->oui[2];
WMA_LOGD("%s: wma:oui received from hdd %08x", __func__,
cmd->prob_req_oui);
if (wmi_unified_cmd_send(wma->wmi_handle, wmi_buf, len,
WMI_SCAN_PROB_REQ_OUI_CMDID)) {
WMA_LOGE("%s: failed to send command", __func__);
cdf_nbuf_free(wmi_buf);
return CDF_STATUS_E_FAILURE;
}
return CDF_STATUS_SUCCESS;
}
/**
* wma_scan_event_callback() - scan event callback
* @handle: wma handle
* @data: event data
* @len: data length
*
* This function process scan event and provide indication
* to upper layers.
*
* Return: 0 for success or error code.
*/
int wma_scan_event_callback(WMA_HANDLE handle, uint8_t *data,
uint32_t len)
{
tp_wma_handle wma_handle = (tp_wma_handle) handle;
WMI_SCAN_EVENTID_param_tlvs *param_buf = NULL;
wmi_scan_event_fixed_param *wmi_event = NULL;
tSirScanOffloadEvent *scan_event;
uint8_t vdev_id;
uint32_t scan_id;
param_buf = (WMI_SCAN_EVENTID_param_tlvs *) data;
wmi_event = param_buf->fixed_param;
vdev_id = wmi_event->vdev_id;
scan_id = wma_handle->interfaces[vdev_id].scan_info.scan_id;
if (wma_handle->roam_preauth_scan_id == wmi_event->scan_id) {
/* This is the scan requested by roam preauth set_channel operation */
if (wmi_event->event & WMI_SCAN_FINISH_EVENTS) {
WMA_LOGE("roam scan complete: scan_id 0x%x, vdev_id %d",
wmi_event->scan_id, vdev_id);
/*wma_reset_scan_info(wma_handle, vdev_id);*/
}
vdev_id = wmi_event->vdev_id;
if (vdev_id >= wma_handle->max_bssid) {
WMA_LOGE("%s:Invalid vdev_id %d wmi_event %p", __func__,
vdev_id, wmi_event);
return -EFAULT;
}
wma_roam_preauth_scan_event_handler(wma_handle,
vdev_id, wmi_event);
return 0;
}
scan_event = (tSirScanOffloadEvent *) cdf_mem_malloc
(sizeof(tSirScanOffloadEvent));
if (!scan_event) {
WMA_LOGE("Memory allocation failed for tSirScanOffloadEvent");
return -ENOMEM;
}
scan_event->event = wmi_event->event;
WMA_LOGI("WMA <-- wmi_scan_event : event %u, scan_id %u, "
"freq %u, reason %u",
wmi_event->event, wmi_event->scan_id,
wmi_event->channel_freq, wmi_event->reason);
scan_event->scanId = wmi_event->scan_id;
scan_event->chanFreq = wmi_event->channel_freq;
if (scan_event->scanId ==
wma_handle->interfaces[vdev_id].p2p_scan_info.scan_id) {
scan_event->p2pScanType = P2P_SCAN_TYPE_LISTEN;
if (scan_event->event == SCAN_EVENT_COMPLETED)
wma_reset_p2p_scan_info(wma_handle, vdev_id);
}
scan_event->sessionId = vdev_id;
if (wmi_event->reason == WMI_SCAN_REASON_COMPLETED ||
wmi_event->reason == WMI_SCAN_REASON_TIMEDOUT)
scan_event->reasonCode = eSIR_SME_SUCCESS;
else
scan_event->reasonCode = eSIR_SME_SCAN_FAILED;
switch (wmi_event->event) {
case WMI_SCAN_EVENT_COMPLETED:
case WMI_SCAN_EVENT_DEQUEUED:
/*
* return success always so that SME can pick whatever scan
* results is available in scan cache(due to partial or
* aborted scan)
*/
scan_event->event = WMI_SCAN_EVENT_COMPLETED;
scan_event->reasonCode = eSIR_SME_SUCCESS;
break;
case WMI_SCAN_EVENT_START_FAILED:
scan_event->event = WMI_SCAN_EVENT_COMPLETED;
scan_event->reasonCode = eSIR_SME_SCAN_FAILED;
break;
case WMI_SCAN_EVENT_PREEMPTED:
WMA_LOGW("%s: Unhandled Scan Event WMI_SCAN_EVENT_PREEMPTED",
__func__);
break;
case WMI_SCAN_EVENT_RESTARTED:
WMA_LOGW("%s: Unhandled Scan Event WMI_SCAN_EVENT_RESTARTED",
__func__);
break;
}
/* Stop the scan completion timeout if the event is WMI_SCAN_EVENT_COMPLETED */
if (scan_event->event == (tSirScanEventType) WMI_SCAN_EVENT_COMPLETED) {
WMA_LOGE(" scan complete - scan_id 0x%x, vdev_id %d",
wmi_event->scan_id, vdev_id);
}
wma_send_msg(wma_handle, WMA_RX_SCAN_EVENT, (void *)scan_event, 0);
return 0;
}
/**
* wma_roam_better_ap_handler() - better ap event handler
* @wma: wma handle
* @vdev_id: vdev id
*
* Handler for WMI_ROAM_REASON_BETTER_AP event from roam firmware in Rome.
* This event means roam algorithm in Rome has found a better matching
* candidate AP. The indication is sent to SME.
*
* Return: none
*/
void wma_roam_better_ap_handler(tp_wma_handle wma, uint32_t vdev_id)
{
cds_msg_t cds_msg;
tSirSmeCandidateFoundInd *candidate_ind;
/* abort existing scans from GUI, but not roaming preauth scan */
if (wma->interfaces[vdev_id].scan_info.scan_id != 0 &&
(wma->interfaces[vdev_id].scan_info.scan_id &
WMA_HOST_ROAM_SCAN_REQID_PREFIX) !=
WMA_HOST_ROAM_SCAN_REQID_PREFIX) {
tAbortScanParams abortScan;
abortScan.SessionId = vdev_id;
wma_stop_scan(wma, &abortScan);
}
candidate_ind = cdf_mem_malloc(sizeof(tSirSmeCandidateFoundInd));
if (!candidate_ind) {
WMA_LOGE("%s: Alloc failed for tSirSmeCandidateFoundInd",
__func__);
return;
}
candidate_ind->messageType = eWNI_SME_CANDIDATE_FOUND_IND;
candidate_ind->sessionId = vdev_id;
candidate_ind->length = sizeof(tSirSmeCandidateFoundInd);
cds_msg.type = eWNI_SME_CANDIDATE_FOUND_IND;
cds_msg.bodyptr = candidate_ind;
CDF_TRACE(CDF_MODULE_ID_WMA, CDF_TRACE_LEVEL_INFO,
FL("posting candidate ind to SME"));
if (CDF_STATUS_SUCCESS != cds_mq_post_message(CDS_MQ_ID_SME,
(cds_msg_t *) &cds_msg)) {
cdf_mem_free(candidate_ind);
CDF_TRACE(CDF_MODULE_ID_WMA, CDF_TRACE_LEVEL_ERROR,
FL("Failed to post candidate ind to SME"));
}
}
/**
* wma_roam_event_callback() - roam event callback
* @handle: wma handle
* @event_buf: event buffer
* @len: buffer length
*
* Handler for all events from roam engine in firmware
*
* Return: 0 for success or error code
*/
int wma_roam_event_callback(WMA_HANDLE handle, uint8_t *event_buf,
uint32_t len)
{
tp_wma_handle wma_handle = (tp_wma_handle) handle;
WMI_ROAM_EVENTID_param_tlvs *param_buf;
wmi_roam_event_fixed_param *wmi_event;
param_buf = (WMI_ROAM_EVENTID_param_tlvs *) event_buf;
if (!param_buf) {
WMA_LOGE("Invalid roam event buffer");
return -EINVAL;
}
wmi_event = param_buf->fixed_param;
WMA_LOGD("%s: Reason %x for vdevid %x, rssi %d",
__func__, wmi_event->reason, wmi_event->vdev_id,
wmi_event->rssi);
switch (wmi_event->reason) {
case WMI_ROAM_REASON_BMISS:
WMA_LOGD("Beacon Miss for vdevid %x", wmi_event->vdev_id);
wma_beacon_miss_handler(wma_handle, wmi_event->vdev_id);
break;
case WMI_ROAM_REASON_BETTER_AP:
WMA_LOGD("%s:Better AP found for vdevid %x, rssi %d", __func__,
wmi_event->vdev_id, wmi_event->rssi);
wma_handle->suitable_ap_hb_failure = false;
wma_roam_better_ap_handler(wma_handle, wmi_event->vdev_id);
break;
case WMI_ROAM_REASON_SUITABLE_AP:
wma_handle->suitable_ap_hb_failure = true;
WMA_LOGD("%s:Bmiss scan AP found for vdevid %x, rssi %d",
__func__, wmi_event->vdev_id, wmi_event->rssi);
wma_roam_better_ap_handler(wma_handle, wmi_event->vdev_id);
break;
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
case WMI_ROAM_REASON_HO_FAILED:
WMA_LOGE("LFR3:Hand-Off Failed for vdevid %x",
wmi_event->vdev_id);
wma_roam_ho_fail_handler(wma_handle, wmi_event->vdev_id);
break;
#endif
default:
WMA_LOGD("%s:Unhandled Roam Event %x for vdevid %x", __func__,
wmi_event->reason, wmi_event->vdev_id);
break;
}
return 0;
}
/**
* wma_set_rssi_monitoring() - set rssi monitoring
* @handle: WMA handle
* @req: rssi monitoring request structure
*
* This function reads the incoming @req and fill in the destination
* WMI structure and send down the rssi monitoring configs down to the firmware
*
* Return: 0 on success; error number otherwise
*/
CDF_STATUS wma_set_rssi_monitoring(tp_wma_handle wma,
struct rssi_monitor_req *req)
{
wmi_rssi_breach_monitor_config_fixed_param *cmd;
wmi_buf_t buf;
int ret, len = sizeof(*cmd);
buf = wmi_buf_alloc(wma->wmi_handle, len);
if (!buf) {
WMA_LOGP("%s: wmi_buf_alloc failed", __func__);
return CDF_STATUS_E_NOMEM;
}
cmd = (wmi_rssi_breach_monitor_config_fixed_param *) wmi_buf_data(buf);
WMITLV_SET_HDR(&cmd->tlv_header,
WMITLV_TAG_STRUC_wmi_rssi_breach_monitor_config_fixed_param,
WMITLV_GET_STRUCT_TLVLEN(
wmi_rssi_breach_monitor_config_fixed_param));
cmd->vdev_id = req->session_id;
cmd->request_id = req->request_id;
cmd->lo_rssi_reenable_hysteresis = 0;
cmd->hi_rssi_reenable_histeresis = 0;
cmd->min_report_interval = 0;
cmd->max_num_report = 1;
if (req->control) {
/* enable one threshold for each min/max */
cmd->enabled_bitmap = 0x09;
cmd->low_rssi_breach_threshold[0] = req->min_rssi;
cmd->hi_rssi_breach_threshold[0] = req->max_rssi;
} else {
cmd->enabled_bitmap = 0;
cmd->low_rssi_breach_threshold[0] = 0;
cmd->hi_rssi_breach_threshold[0] = 0;
}
ret = wmi_unified_cmd_send(wma->wmi_handle, buf, len,
WMI_RSSI_BREACH_MONITOR_CONFIG_CMDID);
if (ret != EOK) {
WMA_LOGE("Failed to send WMI_RSSI_BREACH_MONITOR_CONFIG_CMDID");
wmi_buf_free(buf);
return CDF_STATUS_E_FAILURE;
}
WMA_LOGI("Sent WMI_RSSI_BREACH_MONITOR_CONFIG_CMDID to FW");
return CDF_STATUS_SUCCESS;
}
/**
* wma_get_scan_id() - Generates scan id
* @scan_id: Scan id
*
* This function generates the scan id.
*
* Return: CDF_STATUS
*/
CDF_STATUS wma_get_scan_id(uint32_t *scan_id)
{
tp_wma_handle wma = cds_get_context(CDF_MODULE_ID_WMA);
if (!scan_id) {
WMA_LOGE("Scan_id is NULL");
return CDF_STATUS_E_FAULT;
}
/* host need to cycle through the lower 12 bits to generate ids */
*scan_id = cdf_atomic_inc_return(&wma->scan_id_counter) &
WMA_SCAN_ID_MASK;
/*
* Firmware expects the host scan request id appended
* by PREFIX 0xA000
*/
*scan_id = *scan_id | WMI_HOST_SCAN_REQ_ID_PREFIX;
return CDF_STATUS_SUCCESS;
}