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qcacld-3.0: Add config support for BTM offload

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Add ini to configure BTM offload configuration
which is sent to firmware as part of RSO start
via wmi btm config cmd.

Change-Id: I69c792705b208014af8f1878f7645d957dde6c06
CRs-Fixed: 2109793
This commit is contained in:
yeshwanth sriram guntuka 2017-09-01 17:53:49 +05:30 • committed by snandini
commit 41f936c740
9 changed files with 150 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

40
core/hdd/inc/wlan_hdd_cfg.h
View file

@ -13983,6 +13983,45 @@ enum hdd_external_acs_freq_band {
#define CFG_RX_CHAIN_MASK_5G_MAX (3)
#define CFG_RX_CHAIN_MASK_5G_DEFAULT (0)
/*
* <ini>
* btm_offload_config - Configure BTM
* @Min: 0x00000000
* @Max: 0xFFFFFFFF
* @Default: 0x00000000
*
* This ini is used to configure BTM
*
* Bit 0: Enable/Disable the BTM offload. Set this to 1 will
* enable and 0 will disable BTM offload.
*
* BIT 2, 1: Action on non matching candidate with cache. If a BTM request
* is received from AP then the candidate AP's may/may-not be present in
* the firmware scan cache . Based on below config firmware will decide
* whether to forward BTM frame to host or consume with firmware and proceed
* with Roaming to candidate AP.
* 00 scan and consume
* 01 no scan and forward to host
* 10, 11 reserved
*
* BIT 5, 4, 3: Roaming handoff decisions on multiple candidates match
* 000 match if exact BSSIDs are found
* 001 match if at least one top priority BSSID only
* 010, 011, 100, 101, 110, 111 reserved
*
* BIT 6-31: Reserved
*
* Supported Feature: STA
*
* Usage: External
*
* </ini>
*/
#define CFG_BTM_ENABLE_NAME "btm_offload_config"
#define CFG_BTM_ENABLE_MIN (0x00000000)
#define CFG_BTM_ENABLE_MAX (0xffffffff)
#define CFG_BTM_ENABLE_DEFAULT (0x00000001)
/*
* Type declarations
*/
@ -14876,6 +14915,7 @@ struct hdd_config {
uint8_t rx_chain_mask_2g;
uint8_t tx_chain_mask_5g;
uint8_t rx_chain_mask_5g;
uint32_t btm_offload_config;
};
#define VAR_OFFSET(_Struct, _Var) (offsetof(_Struct, _Var))

11
core/hdd/src/wlan_hdd_cfg.c
View file

@ -5409,6 +5409,13 @@ struct reg_table_entry g_registry_table[] = {
CFG_RX_CHAIN_MASK_5G_DEFAULT,
CFG_RX_CHAIN_MASK_5G_MIN,
CFG_RX_CHAIN_MASK_5G_MAX),
REG_VARIABLE(CFG_BTM_ENABLE_NAME, WLAN_PARAM_HexInteger,
struct hdd_config, btm_offload_config,
VAR_FLAGS_OPTIONAL | VAR_FLAGS_RANGE_CHECK_ASSUME_DEFAULT,
CFG_BTM_ENABLE_DEFAULT,
CFG_BTM_ENABLE_MIN,
CFG_BTM_ENABLE_MAX),
};
@ -7238,6 +7245,8 @@ void hdd_cfg_print(struct hdd_context *hdd_ctx)
hdd_debug("Name = [%s] Value = [%u]",
CFG_ENABLE_PHY_REG,
hdd_ctx->config->enable_phy_reg_retention);
hdd_debug("Name = [btm_offload_config] value = [0x%x]",
hdd_ctx->config->btm_offload_config);
}
@ -9062,6 +9071,8 @@ QDF_STATUS hdd_set_sme_config(struct hdd_context *hdd_ctx)
(pConfig->rssi_assoc_reject_enabled *
WMI_VDEV_OCE_REASSOC_REJECT_FEATURE_BITMAP);
smeConfig->csrConfig.oce_feature_bitmap = val;
smeConfig->csrConfig.btm_offload_config =
hdd_ctx->config->btm_offload_config;
smeConfig->csrConfig.mbo_thresholds.mbo_candidate_rssi_thres =
hdd_ctx->config->mbo_candidate_rssi_thres;

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

@ -3271,6 +3271,7 @@ typedef struct sSirRoamOffloadScanReq {
bool is_fils_connection;
struct roam_fils_params roam_fils_params;
#endif
uint32_t btm_offload_config;
} tSirRoamOffloadScanReq, *tpSirRoamOffloadScanReq;
typedef struct sSirRoamOffloadScanRsp {

18
core/mac/src/pe/lim/lim_link_monitoring_algo.c
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2012-2017 The Linux Foundation. All rights reserved.
* Copyright (c) 2012-2018 The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
@ -265,6 +265,22 @@ void lim_delete_sta_context(tpAniSirGlobal mac_ctx,
msg->addr2, session_entry, false);
break;
case HAL_DEL_STA_REASON_CODE_BTM_DISASSOC_IMMINENT:
if (session_entry->limMlmState !=
eLIM_MLM_LINK_ESTABLISHED_STATE) {
pe_err("BTM request received in state %s",
lim_mlm_state_str(session_entry->limMlmState));
qdf_mem_free(msg);
lim_msg->bodyptr = NULL;
return;
}
lim_send_deauth_mgmt_frame(mac_ctx,
eSIR_MAC_DISASSOC_DUE_TO_INACTIVITY_REASON,
session_entry->bssId, session_entry, false);
lim_tear_down_link_with_ap(mac_ctx, session_entry->peSessionId,
eSIR_MAC_UNSPEC_FAILURE_REASON);
break;
default:
pe_err("Unknown reason code");
break;

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

@ -1369,6 +1369,7 @@ typedef struct tagCsrConfigParam {
struct sir_score_config bss_score_params;
uint8_t oce_feature_bitmap;
struct csr_mbo_thresholds mbo_thresholds;
uint32_t btm_offload_config;
} tCsrConfigParam;
/* Tush */

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

@ -637,6 +637,7 @@ struct csr_config {
struct sir_score_config bss_score_params;
uint8_t oce_feature_bitmap;
struct csr_mbo_thresholds mbo_thresholds;
uint32_t btm_offload_config;
};
struct csr_channel_powerinfo {

5
core/sme/src/csr/csr_api_roam.c
View file

@ -2996,6 +2996,8 @@ QDF_STATUS csr_change_default_config_param(tpAniSirGlobal pMac,
qdf_mem_copy(&pMac->roam.configParam.bss_score_params,
&pParam->bss_score_params,
sizeof(struct sir_score_config));
pMac->roam.configParam.btm_offload_config =
pParam->btm_offload_config;
csr_update_he_config_param(pMac, pParam);
}
@ -3265,6 +3267,7 @@ QDF_STATUS csr_get_config_param(tpAniSirGlobal pMac, tCsrConfigParam *pParam)
qdf_mem_copy(&pParam->bss_score_params,
&pMac->roam.configParam.bss_score_params,
sizeof(struct sir_score_config));
pParam->btm_offload_config = pMac->roam.configParam.btm_offload_config;
pParam->mbo_thresholds.mbo_candidate_rssi_thres =
pMac->roam.configParam.mbo_thresholds.
@ -18069,6 +18072,8 @@ csr_create_roam_scan_offload_request(tpAniSirGlobal mac_ctx,
mac_ctx->roam.configParam.rssi_channel_penalization;
req_buf->lca_config_params.num_disallowed_aps =
mac_ctx->roam.configParam.num_disallowed_aps;
req_buf->btm_offload_config =
mac_ctx->roam.configParam.btm_offload_config;
#ifdef WLAN_FEATURE_ROAM_OFFLOAD
QDF_TRACE(QDF_MODULE_ID_SME, QDF_TRACE_LEVEL_DEBUG,

5
core/wma/inc/wma_if.h
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2011-2017 The Linux Foundation. All rights reserved.
* Copyright (c) 2011-2018 The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
@ -599,7 +599,8 @@ typedef enum eDelStaReasonCode {
HAL_DEL_STA_REASON_CODE_KEEP_ALIVE = 0x1,
HAL_DEL_STA_REASON_CODE_TIM_BASED = 0x2,
HAL_DEL_STA_REASON_CODE_RA_BASED = 0x3,
HAL_DEL_STA_REASON_CODE_UNKNOWN_A2 = 0x4
HAL_DEL_STA_REASON_CODE_UNKNOWN_A2 = 0x4,
HAL_DEL_STA_REASON_CODE_BTM_DISASSOC_IMMINENT = 0x5
} tDelStaReasonCode;
typedef enum eSmpsModeValue {

71
core/wma/src/wma_scan_roam.c
View file

@ -1851,6 +1851,35 @@ QDF_STATUS wma_roam_scan_offload_command(tp_wma_handle wma_handle,
command, vdev_id);
}
/**
* wma_roam_scan_btm_offload() - Send BTM offload config
* @wma_handle: wma handle
* @roam_req: roam request parameters
*
* This function is used to send BTM offload config to fw
*
* Return: QDF status
*/
static QDF_STATUS wma_roam_scan_btm_offload(tp_wma_handle wma_handle,
tSirRoamOffloadScanReq *roam_req)
{
struct wmi_btm_config *params;
QDF_STATUS status;
params = qdf_mem_malloc(sizeof(struct wmi_btm_config));
if (!params) {
WMA_LOGE("Memory alloc failed for btm params");
return QDF_STATUS_E_FAILURE;
}
params->vdev_id = roam_req->sessionId;
params->btm_offload_config = roam_req->btm_offload_config;
status = wmi_unified_send_btm_config(wma_handle->wmi_handle, params);
qdf_mem_free(params);
return status;
}
/**
* wma_process_roaming_config() - process roam request
* @wma_handle: wma handle
@ -1989,6 +2018,11 @@ QDF_STATUS wma_process_roaming_config(tp_wma_handle wma_handle,
WMA_LOGE("Sending start for roam scan filter failed");
break;
}
qdf_status = wma_roam_scan_btm_offload(wma_handle, roam_req);
if (qdf_status != QDF_STATUS_SUCCESS) {
WMA_LOGE("Sending BTM config to fw failed");
break;
}
break;
case ROAM_SCAN_OFFLOAD_STOP:
@ -5982,6 +6016,31 @@ void wma_roam_better_ap_handler(tp_wma_handle wma, uint32_t vdev_id)
}
}
/**
* wma_handle_btm_disassoc_imminent_msg() - Send del sta msg to lim on receiving
* BTM request from AP with disassoc imminent reason
* @wma_handle: wma handle
* @vdev_id: vdev id
*
* Return: None
*/
static void wma_handle_btm_disassoc_imminent_msg(tp_wma_handle wma_handle,
uint32_t vdev_id)
{
tpDeleteStaContext del_sta_ctx;
del_sta_ctx =
(tDeleteStaContext *)qdf_mem_malloc(sizeof(tDeleteStaContext));
if (!del_sta_ctx) {
WMA_LOGE("Memory alloc failed for del sta context");
return;
}
del_sta_ctx->vdev_id = vdev_id;
del_sta_ctx->reasonCode = HAL_DEL_STA_REASON_CODE_BTM_DISASSOC_IMMINENT;
wma_send_msg(wma_handle, SIR_LIM_DELETE_STA_CONTEXT_IND,
(void *)del_sta_ctx, 0);
}
/**
* wma_roam_event_callback() - roam event callback
* @handle: wma handle
@ -6027,6 +6086,18 @@ int wma_roam_event_callback(WMA_HANDLE handle, uint8_t *event_buf,
QDF_PROTO_TYPE_EVENT, QDF_ROAM_EVENTID));
switch (wmi_event->reason) {
case WMI_ROAM_REASON_BTM:
/*
* This event is received from firmware if firmware is unable to
* find candidate AP after roam scan and BTM request from AP
* has disassoc imminent bit set.
*/
WMA_LOGD("Kickout due to btm request");
wma_sta_kickout_event(HOST_STA_KICKOUT_REASON_BTM,
wmi_event->vdev_id, NULL);
wma_handle_btm_disassoc_imminent_msg(wma_handle,
wmi_event->vdev_id);
break;
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,