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qcacld-3.0: Add ini support for rssi abs thresh for the candidate AP

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The RSSI value of the candidate AP should be higher than rssi_abs_thresh
to roam to the AP. 0 means no absolute minimum RSSI is required.

The value sent to the firmware is the offset from the noise floor in dB.

Change-Id: Ic956a184ac9a241e310b5d46ee6c70b9d1962446
CRs-Fixed: 2118279
This commit is contained in:
Abhishek Singh 2017-09-28 14:39:29 +05:30 • committed by snandini
commit 34c0e6361c
7 changed files with 45 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

24
core/hdd/inc/wlan_hdd_cfg.h
View file

@ -1584,6 +1584,29 @@ enum hdd_dot11_mode {
#define CFG_ROAM_RSSI_DIFF_MAX (30)
#define CFG_ROAM_RSSI_DIFF_DEFAULT (5)
/*
* <ini>
* rssi_abs_thresh - The min RSSI of the candidate AP to consider roam
* @Min: -96
* @Max: 0
* @Default: 0
*
* The RSSI value of the candidate AP should be higher than rssi_abs_thresh
* to roam to the AP. 0 means no absolute minimum RSSI is required.
*
* Related: None
*
* Supported Feature: Roaming
*
* Usage: External
*
* </ini>
*/
#define CFG_ROAM_RSSI_ABS_THRESHOLD_NAME "rssi_abs_thresh"
#define CFG_ROAM_RSSI_ABS_THRESHOLD_MIN (-96)
#define CFG_ROAM_RSSI_ABS_THRESHOLD_MAX (0)
#define CFG_ROAM_RSSI_ABS_THRESHOLD_DEFAULT (0)
/*
* <ini>
* gRoamScanNProbes - Sets the number of probes to be sent for firmware roaming
@ -13651,6 +13674,7 @@ struct hdd_config {
#endif
bool isFastTransitionEnabled;
uint8_t RoamRssiDiff;
int32_t rssi_abs_thresh;
bool isWESModeEnabled;
uint32_t pmkid_modes;
bool isRoamOffloadScanEnabled;

10
core/hdd/src/wlan_hdd_cfg.c
View file

@ -1116,6 +1116,13 @@ struct reg_table_entry g_registry_table[] = {
CFG_ROAM_RSSI_DIFF_MAX,
cb_notify_set_roam_rssi_diff, 0),
REG_VARIABLE(CFG_ROAM_RSSI_ABS_THRESHOLD_NAME, WLAN_PARAM_SignedInteger,
struct hdd_config, rssi_abs_thresh,
VAR_FLAGS_OPTIONAL | VAR_FLAGS_RANGE_CHECK_ASSUME_DEFAULT,
CFG_ROAM_RSSI_ABS_THRESHOLD_DEFAULT,
CFG_ROAM_RSSI_ABS_THRESHOLD_MIN,
CFG_ROAM_RSSI_ABS_THRESHOLD_MAX),
REG_DYNAMIC_VARIABLE(CFG_ENABLE_WES_MODE_NAME, WLAN_PARAM_Integer,
struct hdd_config, isWESModeEnabled,
VAR_FLAGS_OPTIONAL |
@ -6276,6 +6283,8 @@ void hdd_cfg_print(struct hdd_context *hdd_ctx)
hdd_mawc_cfg_log(hdd_ctx);
hdd_debug("Name = [RoamRssiDiff] Value = [%u] ",
hdd_ctx->config->RoamRssiDiff);
hdd_debug("Name = [%s] Value = [%u] ", CFG_ROAM_RSSI_ABS_THRESHOLD_NAME,
hdd_ctx->config->rssi_abs_thresh);
hdd_debug("Name = [isWESModeEnabled] Value = [%u] ",
hdd_ctx->config->isWESModeEnabled);
hdd_debug("Name = [pmkidModes] Value = [0x%x] ",
@ -8646,6 +8655,7 @@ QDF_STATUS hdd_set_sme_config(struct hdd_context *hdd_ctx)
smeConfig->csrConfig.isFastTransitionEnabled =
pConfig->isFastTransitionEnabled;
smeConfig->csrConfig.RoamRssiDiff = pConfig->RoamRssiDiff;
smeConfig->csrConfig.rssi_abs_thresh = pConfig->rssi_abs_thresh;
smeConfig->csrConfig.isWESModeEnabled = pConfig->isWESModeEnabled;
smeConfig->csrConfig.isRoamOffloadScanEnabled =
pConfig->isRoamOffloadScanEnabled;

1
core/mac/inc/sir_api.h
View file

@ -3213,6 +3213,7 @@ typedef struct sSirRoamOffloadScanReq {
uint8_t OpportunisticScanThresholdDiff;
uint8_t RoamRescanRssiDiff;
uint8_t RoamRssiDiff;
int32_t rssi_abs_thresh;
uint8_t ChannelCacheType;
uint8_t Command;
uint8_t reason;

1
core/sme/inc/csr_api.h
View file

@ -1212,6 +1212,7 @@ typedef struct tagCsrConfigParam {
struct mawc_params csr_mawc_config;
uint8_t isFastTransitionEnabled;
uint8_t RoamRssiDiff;
int32_t rssi_abs_thresh;
bool isWESModeEnabled;
tCsrNeighborRoamConfigParams neighborRoamConfig;
/*

1
core/sme/inc/csr_internal.h
View file

@ -532,6 +532,7 @@ struct csr_config {
#endif
uint8_t isFastTransitionEnabled;
uint8_t RoamRssiDiff;
int32_t rssi_abs_thresh;
bool nRoamPrefer5GHz;
bool nRoamIntraBand;
bool isWESModeEnabled;

4
core/sme/src/csr/csr_api_roam.c
View file

@ -2657,6 +2657,8 @@ QDF_STATUS csr_change_default_config_param(tpAniSirGlobal pMac,
pMac->roam.configParam.isFastTransitionEnabled =
pParam->isFastTransitionEnabled;
pMac->roam.configParam.RoamRssiDiff = pParam->RoamRssiDiff;
pMac->roam.configParam.rssi_abs_thresh =
pParam->rssi_abs_thresh;
pMac->roam.configParam.nRoamPrefer5GHz =
pParam->nRoamPrefer5GHz;
pMac->roam.configParam.nRoamIntraBand = pParam->nRoamIntraBand;
@ -3030,6 +3032,7 @@ QDF_STATUS csr_get_config_param(tpAniSirGlobal pMac, tCsrConfigParam *pParam)
sizeof(tCsr11rConfigParams));
pParam->isFastTransitionEnabled = cfg_params->isFastTransitionEnabled;
pParam->RoamRssiDiff = cfg_params->RoamRssiDiff;
pParam->rssi_abs_thresh = cfg_params->rssi_abs_thresh;
pParam->nRoamPrefer5GHz = cfg_params->nRoamPrefer5GHz;
pParam->nRoamIntraBand = cfg_params->nRoamIntraBand;
pParam->isWESModeEnabled = cfg_params->isWESModeEnabled;
@ -17775,6 +17778,7 @@ csr_create_roam_scan_offload_request(tpAniSirGlobal mac_ctx,
req_buf->RoamRescanRssiDiff =
roam_info->cfgParams.nRoamRescanRssiDiff;
req_buf->RoamRssiDiff = mac_ctx->roam.configParam.RoamRssiDiff;
req_buf->rssi_abs_thresh = mac_ctx->roam.configParam.rssi_abs_thresh;
req_buf->reason = reason;
req_buf->NeighborScanTimerPeriod =
roam_info->cfgParams.neighborScanPeriod;

4
core/wma/src/wma_scan_roam.c
View file

@ -1316,6 +1316,10 @@ static void wma_roam_scan_fill_ap_profile(tSirRoamOffloadScanReq *roam_req,
profile->rsn_mcastmgmtcipherset =
profile->rsn_mcastcipherset;
profile->rssi_threshold = roam_req->RoamRssiDiff;
if (roam_req->rssi_abs_thresh)
profile->rssi_abs_thresh =
roam_req->rssi_abs_thresh -
WMA_NOISE_FLOOR_DBM_DEFAULT;
#ifdef WLAN_FEATURE_11W
if (roam_req->ConnectedNetwork.mfp_enabled)
profile->flags |= WMI_AP_PROFILE_FLAG_PMF;