qcacmn: Add config support for BTM offload

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: 2105112

utils/host_diag_log/inc/host_diag_core_event.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014-2017 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2014-2018 The Linux Foundation. All rights reserved.
  *
  * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
  *
@@ -429,6 +429,8 @@ struct host_event_wlan_ssr_shutdown {
  * reason unspecified
  * @HOST_STA_KICKOUT_REASON_KEEP_ALIVE: Indicate sta is disconnected
  * because of keep alive
+ * @HOST_STA_KICKOUT_REASON_BTM: BTM request from AP with disassoc imminent
+ * reason
  *
  * This enum contains the event subtype
  */
@@ -437,6 +439,7 @@ enum host_sta_kickout_events {
 	HOST_STA_KICKOUT_REASON_XRETRY,
 	HOST_STA_KICKOUT_REASON_UNSPECIFIED,
 	HOST_STA_KICKOUT_REASON_KEEP_ALIVE,
+	HOST_STA_KICKOUT_REASON_BTM,
 };
 
 /*-------------------------------------------------------------------------

wmi/inc/wmi_unified_api.h

@@ -1888,4 +1888,13 @@ QDF_STATUS wmi_extract_ndp_end_ind(wmi_unified_t wmi_handle, uint8_t *data,
 			struct nan_datapath_end_indication_event **ind);
 
 #endif
+/**
+ * wmi_unified_send_btm_config() - Send BTM config to fw
+ * @wmi_hdl:  wmi handle
+ * @params: pointer to wmi_btm_config
+ *
+ * Return: QDF_STATUS
+ */
+QDF_STATUS wmi_unified_send_btm_config(void *wmi_hdl,
+				       struct wmi_btm_config *params);
 #endif /* _WMI_UNIFIED_API_H_ */

wmi/inc/wmi_unified_param.h

@@ -8090,6 +8090,15 @@ struct wmi_mawc_roam_params {
 	uint8_t rssi_stationary_high_adjust;
 	uint8_t rssi_stationary_low_adjust;
 };
+/**
+ * struct wmi_btm_config - BSS Transition Management offload params
+ * @vdev_id: VDEV on which the parameters should be applied
+ * @btm_offload_config: BTM config
+ */
+struct wmi_btm_config {
+	uint8_t vdev_id;
+	uint32_t btm_offload_config;
+};
 
 /**
  * struct set_arp_stats - set/reset arp stats

wmi/inc/wmi_unified_priv.h

@@ -1492,6 +1492,8 @@ QDF_STATUS (*extract_ndp_end_ind)(wmi_unified_t wmi_handle,
 		uint8_t *data, struct nan_datapath_end_indication_event **ind);
 
 #endif
+QDF_STATUS (*send_btm_config)(wmi_unified_t wmi_handle,
+			      struct wmi_btm_config *params);
 };
 
 /* Forward declartion for psoc*/

wmi/src/wmi_unified_api.c

@@ -7221,3 +7221,14 @@ QDF_STATUS wmi_extract_ndp_end_ind(wmi_unified_t wmi_handle, uint8_t *data,
 	return QDF_STATUS_E_FAILURE;
 }
 #endif
+QDF_STATUS wmi_unified_send_btm_config(void *wmi_hdl,
+				       struct wmi_btm_config *params)
+{
+	wmi_unified_t wmi_handle = (wmi_unified_t) wmi_hdl;
+
+	if (wmi_handle->ops->send_btm_config)
+		return wmi_handle->ops->send_btm_config(wmi_handle,
+							params);
+
+	return QDF_STATUS_E_FAILURE;
+}

wmi/src/wmi_unified_tlv.c

@@ -20822,6 +20822,44 @@ static QDF_STATUS extract_pdev_caldata_version_check_ev_param_tlv(
 	return QDF_STATUS_SUCCESS;
 }
 
+/*
+ * send_btm_config_cmd_tlv() - Send wmi cmd for BTM config
+ * @wmi_handle: wmi handle
+ * @params: pointer to wmi_btm_config
+ *
+ * Return: QDF_STATUS
+ */
+static QDF_STATUS send_btm_config_cmd_tlv(wmi_unified_t wmi_handle,
+					  struct wmi_btm_config *params)
+{
+
+	wmi_btm_config_fixed_param *cmd;
+	wmi_buf_t buf;
+	uint32_t len;
+
+	len = sizeof(*cmd);
+	buf = wmi_buf_alloc(wmi_handle, len);
+	if (!buf) {
+		qdf_print("%s:wmi_buf_alloc failed\n", __func__);
+		return QDF_STATUS_E_NOMEM;
+	}
+
+	cmd = (wmi_btm_config_fixed_param *)wmi_buf_data(buf);
+	WMITLV_SET_HDR(&cmd->tlv_header,
+		       WMITLV_TAG_STRUC_wmi_btm_config_fixed_param,
+		       WMITLV_GET_STRUCT_TLVLEN(wmi_btm_config_fixed_param));
+	cmd->vdev_id = params->vdev_id;
+	cmd->flags = params->btm_offload_config;
+	if (wmi_unified_cmd_send(wmi_handle, buf, len,
+	    WMI_ROAM_BTM_CONFIG_CMDID)) {
+		WMI_LOGE("%s: failed to send WMI_ROAM_BTM_CONFIG_CMDID",
+			 __func__);
+		wmi_buf_free(buf);
+		return QDF_STATUS_E_FAILURE;
+	}
+	return QDF_STATUS_SUCCESS;
+}
+
 struct wmi_ops tlv_ops =  {
 	.send_vdev_create_cmd = send_vdev_create_cmd_tlv,
 	.send_vdev_delete_cmd = send_vdev_delete_cmd_tlv,
@@ -21260,6 +21298,7 @@ struct wmi_ops tlv_ops =  {
 	.extract_ndp_end_rsp = extract_ndp_end_rsp_tlv,
 	.extract_ndp_end_ind = extract_ndp_end_ind_tlv,
 #endif
+	.send_btm_config = send_btm_config_cmd_tlv,
 };
 
 /**