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qcacld-3.0: Send bss load trigger values to firmware

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Introduce the following new WCNSS_qcom.ini values:
"enable_bss_load_roam_trigger"
"bss_load_threshold"
Send these values over the new wmi command,
WMI_ROAM_BSS_LOAD_CONFIG_CMDID if "enable_bss_load_roam_trigger"
is set to true.

This wmi command will be sent to firmware as part of the RSO
start or update config.

Change-Id: Ib2e21904bc7b8d87e5f51824d2694b90a3ac53f2
CRs-Fixed: 2367770
This commit is contained in:
Pragaspathi Thilagaraj 2018-12-16 22:23:04 +05:30 • committed by nshrivas
commit 69f0b69ca9
6 changed files with 120 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

10
components/mlme/core/src/wlan_mlme_main.c
View file

@ -1314,6 +1314,15 @@ static void mlme_init_ese_cfg(struct wlan_objmgr_psoc *psoc,
}
#endif
static void
mlme_init_bss_load_trigger_params(struct wlan_objmgr_psoc *psoc,
struct bss_load_trigger *bss_load_trig)
{
bss_load_trig->enabled =
cfg_get(psoc, CFG_ENABLE_BSS_LOAD_TRIGGERED_ROAM);
bss_load_trig->threshold = cfg_get(psoc, CFG_BSS_LOAD_THRESHOLD);
}
static void mlme_init_lfr_cfg(struct wlan_objmgr_psoc *psoc,
struct wlan_mlme_lfr_cfg *lfr)
{
@ -1463,6 +1472,7 @@ static void mlme_init_lfr_cfg(struct wlan_objmgr_psoc *psoc,
(uint8_t)neighbor_scan_chan_list_num;
mlme_init_roam_offload_cfg(psoc, lfr);
mlme_init_ese_cfg(psoc, lfr);
mlme_init_bss_load_trigger_params(psoc, &lfr->bss_load_trig);
}
static uint32_t

52
components/mlme/dispatcher/inc/cfg_mlme_lfr.h
View file

@ -1846,6 +1846,56 @@
20, \
CFG_VALUE_OR_DEFAULT, \
"wait time for tx complete before vdev stop")
/*
* <ini>
* enable_bss_load_roam_trigger - enable/disable bss load based roam trigger
* @Min: 0
* @Max: 1
* @Default: 1
*
* This ini when enabled, allows the firmware to roam when bss load outpaces
* the configured bss load threshold. When this ini is disabled, firmware
* doesn't consider bss load values to trigger roam.
*
* Related: None
*
* Supported Feature: Roaming
*
* Usage: External
*
* </ini>
*/
#define CFG_ENABLE_BSS_LOAD_TRIGGERED_ROAM CFG_INI_BOOL( \
"enable_bss_load_roam_trigger", \
1, \
"enable bss load triggered roaming")
/*
* <ini>
* bss_load_threshold - bss load above which the STA should trigger roaming
* @Min: 0
* @Max: 100
* @Default: 70
*
* When the bss laod value that is sampled exceeds this threshold, firmware
* will trigger roaming if bss load trigger is enabled.
*
* Related: None
*
* Supported Feature: Roaming
*
* Usage: External
*
* </ini>
*/
#define CFG_BSS_LOAD_THRESHOLD CFG_INI_UINT( \
"bss_load_threshold", \
0, \
100, \
70, \
CFG_VALUE_OR_DEFAULT, \
"bss load threshold")
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
/*
@ -1972,6 +2022,8 @@
CFG(CFG_LFR_ROAM_SCAN_N_PROBES) \
CFG(CFG_LFR_ROAM_SCAN_HOME_AWAY_TIME) \
CFG(CFG_LFR_DELAY_BEFORE_VDEV_STOP) \
CFG(CFG_ENABLE_BSS_LOAD_TRIGGERED_ROAM) \
CFG(CFG_BSS_LOAD_THRESHOLD) \
ROAM_OFFLOAD_ALL \
LFR_ESE_ALL

11
components/mlme/dispatcher/inc/wlan_mlme_public_struct.h
View file

@ -1164,6 +1164,16 @@ enum roaming_dfs_channel_type {
ROAMING_DFS_CHANNEL_ENABLED_ACTIVE,
};
/*
* struct bss_load_trigger - parameters related to bss load triggered roam
* @enabled - flag to check if this trigger is enabled/disabled
* @threshold - Bss load threshold value above which roaming should start
*/
struct bss_load_trigger {
bool enabled;
uint32_t threshold;
};
/*
* @mawc_roam_enabled: Enable/Disable MAWC during roaming
* @enable_fast_roam_in_concurrency:Enable LFR roaming on STA during concurrency
@ -1315,6 +1325,7 @@ struct wlan_mlme_lfr_cfg {
uint8_t delay_before_vdev_stop;
uint8_t neighbor_scan_channel_list[CFG_VALID_CHANNEL_LIST_LEN];
uint8_t neighbor_scan_channel_list_num;
struct bss_load_trigger bss_load_trig;
};
/**

3
core/mac/inc/sir_api.h
View file

@ -2406,6 +2406,9 @@ typedef struct sSirRoamOffloadScanReq {
uint32_t min_delay_btw_roam_scans;
uint32_t roam_trigger_reason_bitmask;
bool roam_force_rssi_trigger;
/* bss load triggered roam related params */
bool bss_load_trig_enabled;
struct wmi_bss_load_config bss_load_config;
} tSirRoamOffloadScanReq, *tpSirRoamOffloadScanReq;
typedef struct sSirRoamOffloadScanRsp {

8
core/sme/src/csr/csr_api_roam.c
View file

@ -17202,6 +17202,14 @@ csr_update_roam_scan_offload_request(struct mac_context *mac_ctx,
mac_ctx->roam.configParam.roam_trigger_reason_bitmask;
req_buf->roam_force_rssi_trigger =
mac_ctx->roam.configParam.roam_force_rssi_trigger;
/* fill bss load triggered roam related configs */
req_buf->bss_load_trig_enabled =
mac_ctx->mlme_cfg->lfr.bss_load_trig.enabled;
req_buf->bss_load_config.bss_load_threshold =
mac_ctx->mlme_cfg->lfr.bss_load_trig.threshold;
req_buf->bss_load_config.vdev_id = session->sessionId;
req_buf->ReassocFailureTimeout =
mac_ctx->mlme_cfg->timeouts.reassoc_failure_timeout;
csr_update_roam_scan_ese_params(req_buf, session);

37
core/wma/src/wma_scan_roam.c
View file

@ -1411,6 +1411,36 @@ static QDF_STATUS wma_roam_scan_btm_offload(tp_wma_handle wma_handle,
return status;
}
/**
* wma_send_roam_bss_load_config() - API to send load bss trigger
* related parameters to fw
*
* @handle: WMA handle
* @roam_req: bss load config parameters from csr to be sent to fw
*
* Return: None
*/
static
void wma_send_roam_bss_load_config(WMA_HANDLE handle,
struct wmi_bss_load_config *params)
{
QDF_STATUS status;
tp_wma_handle wma_handle = (tp_wma_handle) handle;
if (!wma_handle || !wma_handle->wmi_handle) {
WMA_LOGE("WMA is closed, cannot send bss load config");
return;
}
WMA_LOGD("%s: Sending bss load trig params vdev %u bss_load_threshold %u",
__func__, params->vdev_id, params->bss_load_threshold);
status = wmi_unified_send_bss_load_config(wma_handle->wmi_handle,
params);
if (QDF_IS_STATUS_ERROR(status))
WMA_LOGE("failed to send bss load trigger config command");
}
/**
* wma_send_offload_11k_params() - API to send 11k offload params to FW
* @handle: WMA handle
@ -1471,6 +1501,7 @@ QDF_STATUS wma_process_roaming_config(tp_wma_handle wma_handle,
struct mac_context *mac = cds_get_context(QDF_MODULE_ID_PE);
uint32_t mode = 0;
struct wma_txrx_node *intr = NULL;
struct wmi_bss_load_config *bss_load_cfg;
if (NULL == mac) {
WMA_LOGE("%s: mac is NULL", __func__);
@ -1611,6 +1642,11 @@ QDF_STATUS wma_process_roaming_config(tp_wma_handle wma_handle,
break;
}
}
if (roam_req->bss_load_trig_enabled) {
bss_load_cfg = &roam_req->bss_load_config;
wma_send_roam_bss_load_config(wma_handle, bss_load_cfg);
}
break;
case ROAM_SCAN_OFFLOAD_STOP:
@ -1860,7 +1896,6 @@ QDF_STATUS wma_process_roaming_config(tp_wma_handle wma_handle,
wma_roam_scan_offload_mode(wma_handle, &scan_params,
roam_req, mode,
roam_req->sessionId);
break;
default: