diff --git a/target_if/core/inc/target_if.h b/target_if/core/inc/target_if.h
index 84fdfc31454c..dd650b35e8a6 100644
--- a/target_if/core/inc/target_if.h
+++ b/target_if/core/inc/target_if.h
@@ -2549,4 +2549,40 @@ static inline void target_psoc_get_mu_max_users(
  */
 void target_if_set_reg_cc_ext_supp(struct target_psoc_info *tgt_hdl,
 				   struct wlan_objmgr_psoc *psoc);
+
+/**
+ * target_psoc_set_twt_ack_cap() - Set twt ack capability
+ *
+ * @psoc_info: Pointer to struct target_psoc_info.
+ * @val: twt ack cap value
+ *
+ * Return: None
+ *
+ */
+static inline
+void target_psoc_set_twt_ack_cap(struct target_psoc_info *psoc_info, bool val)
+{
+	if (!psoc_info)
+		return;
+
+	psoc_info->info.service_ext2_param.twt_ack_support_cap = val;
+}
+
+/**
+ * target_psoc_get_twt_ack_cap() - Get twt ack capability
+ *
+ * @psoc_info: Pointer to struct target_psoc_info.
+ * @val: twt ack cap value
+ *
+ * Return: None
+ *
+ */
+static inline
+void target_psoc_get_twt_ack_cap(struct target_psoc_info *psoc_info, bool *val)
+{
+	if (!psoc_info)
+		return;
+
+	*val = psoc_info->info.service_ext2_param.twt_ack_support_cap;
+}
 #endif
diff --git a/target_if/init_deinit/inc/service_ready_param.h b/target_if/init_deinit/inc/service_ready_param.h
index 641f8160427a..b964a0199455 100644
--- a/target_if/init_deinit/inc/service_ready_param.h
+++ b/target_if/init_deinit/inc/service_ready_param.h
@@ -404,6 +404,7 @@ struct wlan_psoc_host_service_ext_param {
  * @max_users_ul_ofdma: Max number of users per-PPDU for Uplink OFDMA
  * @max_users_dl_mumimo: Max number of users per-PPDU for Downlink MU-MIMO
  * @max_users_ul_mumimo: Max number of users per-PPDU for Uplink MU-MIMO
+ * @twt_ack_support_cap: TWT ack capability support
  */
 struct wlan_psoc_host_service_ext2_param {
 	uint8_t reg_db_version_major;
@@ -419,6 +420,7 @@ struct wlan_psoc_host_service_ext2_param {
 	uint16_t max_users_ul_ofdma;
 	uint16_t max_users_dl_mumimo;
 	uint16_t max_users_ul_mumimo;
+	uint32_t twt_ack_support_cap:1;
 };
 
 #endif /* _SERVICE_READY_PARAM_H_*/
diff --git a/target_if/init_deinit/inc/service_ready_util.h b/target_if/init_deinit/inc/service_ready_util.h
index 62970a147927..7aa16254ffa7 100644
--- a/target_if/init_deinit/inc/service_ready_util.h
+++ b/target_if/init_deinit/inc/service_ready_util.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2017-2021 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -304,6 +304,31 @@ int init_deinit_populate_scan_radio_cap_ext2(wmi_unified_t handle,
 					     uint8_t *event,
 					     struct tgt_info *info);
 
+#ifdef WLAN_SUPPORT_TWT
+/**
+ * init_deinit_populate_twt_cap_ext2() - populate twt capabilities from service
+ * ready ext2 event
+ * @psoc: PSOC object
+ * @handle: WMI handle pointer
+ * @event: event buffer received from FW
+ * @info: tgt_info object
+ *
+ * API to populate twt capability from service ready ext2 event.
+ * Return: zero on successful population of twt capability or failure
+ */
+int init_deinit_populate_twt_cap_ext2(struct wlan_objmgr_psoc *psoc,
+				      wmi_unified_t handle, uint8_t *event,
+				      struct tgt_info *info);
+#else
+static inline
+int init_deinit_populate_twt_cap_ext2(struct wlan_objmgr_psoc *psoc,
+				      wmi_unified_t handle, uint8_t *event,
+				      struct tgt_info *info)
+{
+	return 0;
+}
+#endif
+
 /**
  * init_deinit_validate_160_80p80_fw_caps() - validate 160 80p80 fw caps
  * @psoc: PSOC object
diff --git a/target_if/init_deinit/src/init_event_handler.c b/target_if/init_deinit/src/init_event_handler.c
index ffc67bb0599f..0f5b9b45683c 100644
--- a/target_if/init_deinit/src/init_event_handler.c
+++ b/target_if/init_deinit/src/init_event_handler.c
@@ -312,6 +312,12 @@ static int init_deinit_service_ext2_ready_event_handler(ol_scn_t scn_handle,
 		goto exit;
 	}
 
+	err_code = init_deinit_populate_twt_cap_ext2(psoc, wmi_handle, event,
+						     info);
+
+	if (err_code)
+		target_if_debug("failed to populate twt cap ext2");
+
 	target_if_regulatory_set_ext_tpc(psoc);
 
 	target_if_reg_set_lower_6g_edge_ch_info(psoc);
diff --git a/target_if/init_deinit/src/service_ready_util.c b/target_if/init_deinit/src/service_ready_util.c
index d5579ecb77f8..8ce3ca43f142 100644
--- a/target_if/init_deinit/src/service_ready_util.c
+++ b/target_if/init_deinit/src/service_ready_util.c
@@ -535,6 +535,31 @@ free_and_return:
 	return qdf_status_to_os_return(status);
 }
 
+#ifdef WLAN_SUPPORT_TWT
+int init_deinit_populate_twt_cap_ext2(struct wlan_objmgr_psoc *psoc,
+				      wmi_unified_t handle, uint8_t *event,
+				      struct tgt_info *info)
+{
+	struct wmi_twt_cap_bitmap_params param;
+	struct target_psoc_info *psoc_info;
+	QDF_STATUS status = QDF_STATUS_SUCCESS;
+
+	status = wmi_extract_twt_cap_service_ready_ext2(handle, event,
+							&param);
+	if (QDF_IS_STATUS_ERROR(status)) {
+		target_if_err("Extraction of twt capability failed");
+		goto exit;
+	}
+
+	psoc_info = wlan_psoc_get_tgt_if_handle(psoc);
+
+	target_psoc_set_twt_ack_cap(psoc_info, param.twt_ack_support_cap);
+
+exit:
+	return qdf_status_to_os_return(status);
+}
+#endif
+
 QDF_STATUS init_deinit_dbr_ring_cap_free(
 		struct target_psoc_info *tgt_psoc_info)
 {
diff --git a/wmi/inc/wmi_unified_priv.h b/wmi/inc/wmi_unified_priv.h
index 011e48e961a1..589ab5d5e81a 100644
--- a/wmi/inc/wmi_unified_priv.h
+++ b/wmi/inc/wmi_unified_priv.h
@@ -1941,6 +1941,13 @@ QDF_STATUS (*extract_sar_cap_service_ready_ext)(
 		uint8_t *evt_buf,
 		struct wlan_psoc_host_service_ext_param *ext_param);
 
+#ifdef WLAN_SUPPORT_TWT
+QDF_STATUS (*extract_twt_cap_service_ready_ext2)(
+		wmi_unified_t wmi_handle,
+		uint8_t *evt_buf,
+		struct wmi_twt_cap_bitmap_params *var);
+#endif
+
 #ifdef WMI_DBR_SUPPORT
 QDF_STATUS (*send_dbr_cfg_cmd)(wmi_unified_t wmi_handle,
 				   struct direct_buf_rx_cfg_req *cfg);
diff --git a/wmi/inc/wmi_unified_twt_api.h b/wmi/inc/wmi_unified_twt_api.h
index 7a2ab5307aa1..f443718b0d82 100644
--- a/wmi/inc/wmi_unified_twt_api.h
+++ b/wmi/inc/wmi_unified_twt_api.h
@@ -326,4 +326,19 @@ static void wmi_twt_attach_tlv(struct wmi_unified *wmi_handle)
 }
 #endif
 
+/**
+ * wmi_extract_twt_cap_service_ready_ext2: Extract TWT bitmap value
+ *                                         received through extended
+ *                                         service ready2 event
+ * @wmi_handle: WMI handle
+ * @evt_buf: Event buffer
+ * @param: Pointer to TWT bitmap param
+ *
+ * Return: QDF_STATUS_SUCCESS for success or error code
+ */
+QDF_STATUS wmi_extract_twt_cap_service_ready_ext2(
+			wmi_unified_t wmi_handle,
+			uint8_t *evt_buf,
+			struct wmi_twt_cap_bitmap_params *params);
+
 #endif /* _WMI_UNIFIED_TWT_API_H_ */
diff --git a/wmi/inc/wmi_unified_twt_param.h b/wmi/inc/wmi_unified_twt_param.h
index e5518b1958f5..f3ded0c4df47 100644
--- a/wmi/inc/wmi_unified_twt_param.h
+++ b/wmi/inc/wmi_unified_twt_param.h
@@ -394,6 +394,15 @@ struct wmi_twt_add_dialog_complete_event_param {
 	uint32_t num_additional_twt_params;
 };
 
+/**
+ * struct wmi_twt_cap_bitmap_params -
+ * twt_cap_bitmap: TWT capability bitmap
+ *
+ */
+struct wmi_twt_cap_bitmap_params {
+	uint32_t twt_ack_support_cap:1;
+};
+
 /**
  * struct wmi_twt_del_dialog_param -
  * @vdev_id: VDEV identifier
diff --git a/wmi/src/wmi_unified_twt_api.c b/wmi/src/wmi_unified_twt_api.c
index fb53feca9765..40370ceb931b 100644
--- a/wmi/src/wmi_unified_twt_api.c
+++ b/wmi/src/wmi_unified_twt_api.c
@@ -286,3 +286,15 @@ QDF_STATUS wmi_extract_twt_session_stats_data(
 
 	return QDF_STATUS_E_FAILURE;
 }
+
+QDF_STATUS wmi_extract_twt_cap_service_ready_ext2(
+		wmi_unified_t wmi_handle,
+		uint8_t *evt_buf,
+		struct wmi_twt_cap_bitmap_params *params)
+{
+	if (wmi_handle->ops->extract_twt_cap_service_ready_ext2)
+		return wmi_handle->ops->extract_twt_cap_service_ready_ext2(
+				wmi_handle, evt_buf, params);
+
+	return QDF_STATUS_E_FAILURE;
+}
diff --git a/wmi/src/wmi_unified_twt_tlv.c b/wmi/src/wmi_unified_twt_tlv.c
index fbfe37f7314f..ec27e8eb8e8a 100644
--- a/wmi/src/wmi_unified_twt_tlv.c
+++ b/wmi/src/wmi_unified_twt_tlv.c
@@ -1028,6 +1028,27 @@ extract_twt_session_stats_event_data(wmi_unified_t wmi_handle,
 	return QDF_STATUS_SUCCESS;
 }
 
+static QDF_STATUS extract_twt_cap_service_ready_ext2_tlv(
+				wmi_unified_t wmi_handle, uint8_t *event,
+				struct wmi_twt_cap_bitmap_params *var)
+{
+	WMI_SERVICE_READY_EXT2_EVENTID_param_tlvs *param_buf;
+	wmi_twt_caps_params *twt_caps;
+
+	param_buf = (WMI_SERVICE_READY_EXT2_EVENTID_param_tlvs *)event;
+	if (!param_buf)
+		return QDF_STATUS_E_INVAL;
+
+	twt_caps = param_buf->twt_caps;
+	if (!twt_caps)
+		return QDF_STATUS_E_INVAL;
+
+	var->twt_ack_support_cap = WMI_GET_BITS(twt_caps->twt_capability_bitmap,
+						0, 1);
+
+	return QDF_STATUS_SUCCESS;
+}
+
 void wmi_twt_attach_tlv(wmi_unified_t wmi_handle)
 {
 	struct wmi_ops *ops = wmi_handle->ops;
@@ -1060,5 +1081,8 @@ void wmi_twt_attach_tlv(wmi_unified_t wmi_handle)
 				extract_twt_session_stats_event_data;
 	ops->extract_twt_notify_event =
 				extract_twt_notify_event_tlv;
+	ops->extract_twt_cap_service_ready_ext2 =
+				extract_twt_cap_service_ready_ext2_tlv,
+
 	wmi_twt_attach_bcast_twt_tlv(ops);
 }