android_kernel_samsung_sm8650-modules/cfr/src/target_if_cfr_8074v2.c

/*
 * Copyright (c) 2019 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
 * above copyright notice and this permission notice appear in all
 * copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */

#include <target_if_cfr.h>
#include <wlan_tgt_def_config.h>
#include <target_type.h>
#include <hif_hw_version.h>
#include <ol_if_athvar.h>
#include <target_if.h>
#include <wlan_lmac_if_def.h>
#include <wlan_osif_priv.h>
#include <wlan_mlme_dispatcher.h>
#include <init_deinit_lmac.h>
#include <wlan_cfr_utils_api.h>
#include <target_if_cfr_8074v2.h>
#ifdef DIRECT_BUF_RX_ENABLE
#include <target_if_direct_buf_rx_api.h>
#endif

static u_int32_t end_magic = 0xBEAFDEAD;

int dump_lut(struct wlan_objmgr_pdev *pdev)
{
	struct pdev_cfr *pdev_cfrobj;
	struct look_up_table *lut = NULL;
	int i = 0;
	pdev_cfrobj = wlan_objmgr_pdev_get_comp_private_obj(pdev,
							    WLAN_UMAC_COMP_CFR);
	if (!pdev_cfrobj) {
		cfr_err("pdev object for CFR is null");
		return -EINVAL;
	}

	for (i = 0; i < 136; i++) {
		lut = &pdev_cfrobj->lut[i];
		cfr_err("idx:%d dbrevnt: %d txevent: %d dbrppdu:0x%x txppdu:0x%x\n",
			i, lut->dbr_recv, lut->tx_recv,
			lut->dbr_ppdu_id, lut->tx_ppdu_id);
	}

	return 0;
}
#ifdef DIRECT_BUF_RX_ENABLE
void dump_dma_hdr(struct whal_cfir_dma_hdr *dma_hdr, int error)
{
	if (!error) {
		cfr_debug("Tag: 0x%02x Length: %d udone: %d ctype: %d preamble: %d",
			  dma_hdr->tag, dma_hdr->length, dma_hdr->upload_done,
			  dma_hdr->capture_type, dma_hdr->preamble_type);

		cfr_debug("Nss: %d num_chains: %d bw: %d", dma_hdr->nss,
			  dma_hdr->num_chains, dma_hdr->upload_pkt_bw);

		cfr_debug("peervalid: %d peer_id: %d ppdu_id: 0x%04x",
			  dma_hdr->sw_peer_id_valid, dma_hdr->sw_peer_id,
			  dma_hdr->phy_ppdu_id);
	} else {
		cfr_err("Tag: 0x%02x Length: %d udone: %d ctype: %d preamble: %d",
			dma_hdr->tag, dma_hdr->length, dma_hdr->upload_done,
			dma_hdr->capture_type,	dma_hdr->preamble_type);

		cfr_err("Nss: %d num_chains: %d bw: %d", dma_hdr->nss,
			dma_hdr->num_chains, dma_hdr->upload_pkt_bw);

		cfr_err("peervalid: %d peer_id: %d ppdu_id: 0x%04x",
			dma_hdr->sw_peer_id_valid, dma_hdr->sw_peer_id,
			dma_hdr->phy_ppdu_id);
	}
}

int compute_length(struct whal_cfir_dma_hdr *dma_hdr)
{
	uint8_t bw = dma_hdr->upload_pkt_bw;
	uint8_t preamble = dma_hdr->preamble_type;

	switch (preamble) {
	case 0:
	case 2:
		switch (bw) {
		case 0:
			return TONES_IN_20MHZ;
		case 1: /* DUP40/VHT40 */
			return TONES_IN_40MHZ;
		case 2: /* DUP80/VHT80 */
			return TONES_IN_80MHZ;
		case 3: /* DUP160/VHT160 */
			return TONES_IN_160MHZ;
		}

	case 1:
		switch (bw) {
		case 0:
			return TONES_IN_20MHZ;
		case 1:
			return TONES_IN_40MHZ;
		}
	}

	return TONES_INVALID;
}

int release_lut_entry(struct wlan_objmgr_pdev *pdev,
		      struct look_up_table *lut)
{
	lut->dbr_recv = false;
	lut->tx_recv = false;
	lut->data = NULL;
	lut->data_len = 0;
	lut->dbr_ppdu_id = 0;
	lut->tx_ppdu_id = 0;
	qdf_mem_zero(&lut->header, sizeof(struct csi_cfr_header));

	return 0;
}

int correlate_and_relay(struct wlan_objmgr_pdev *pdev, uint32_t cookie,
			struct look_up_table *lut, uint8_t module_id)
{
	struct pdev_cfr *pdev_cfrobj;

	if (module_id > 1) {
		cfr_err("Received request with invalid mod id. Investigate!!");
		QDF_ASSERT(0);
		return STATUS_ERROR;
	}

	pdev_cfrobj = wlan_objmgr_pdev_get_comp_private_obj(pdev,
							    WLAN_UMAC_COMP_CFR);

	if (module_id == CORRELATE_TX_EV_MODULE_ID) {
		pdev_cfrobj->tx_evt_cnt++;
		lut->tx_recv = true;
	} else if (module_id == CORRELATE_DBR_MODULE_ID) {
		pdev_cfrobj->dbr_evt_cnt++;
		lut->dbr_recv = true;
	}

	if ((lut->dbr_recv == true) && (lut->tx_recv == true)) {
		if (lut->dbr_ppdu_id == lut->tx_ppdu_id) {
			pdev_cfrobj->release_cnt++;
			return STATUS_STREAM_AND_RELEASE;
		} else {
			/*
			 * When there is a ppdu id mismatch, discard the other
			 * older event's data and wait hold for new event
			 */
			if (module_id == CORRELATE_TX_EV_MODULE_ID) {
				cfr_debug("Received new tx event for same cookie %u",
					  cookie);
				lut->dbr_recv = false;
				lut->data = NULL;
				lut->data_len = 0;
				lut->dbr_ppdu_id = 0;
				qdf_mem_zero(&lut->dbr_address, sizeof(lut->dbr_address));
			} else if (module_id == CORRELATE_DBR_MODULE_ID) {
				cfr_debug("Received new dbr event for same cookie %u",
					  cookie);
				lut->tx_recv = false;
				lut->tx_ppdu_id = 0;
			}

			/*
			 * This is condition can occur if DBR buffer did not get
			 * released or leaked either by Host / Target
			 * we may need to add recovery here.
			 *
			 * 1. Stop all captures
			 * 2. Flush/release DBR buffer and LUT
			 * 3. Start capture again
			 */
			if (pdev_cfrobj->dbr_evt_cnt - pdev_cfrobj->release_cnt > 1) {
				cfr_err("cookie = %u dbr_cnt = %d, release_cnt = %d",
					cookie, pdev_cfrobj->dbr_evt_cnt,
					pdev_cfrobj->release_cnt);
				dump_lut(pdev);
				dump_dma_hdr(&lut->dma_hdr, 1);
				cfr_debug("correlation_info1: 0x%08x correlation_info2 0x%08x",
					  lut->tx_address1, lut->tx_address2);
			}

			return STATUS_HOLD;
		}
	} else {
		return STATUS_HOLD;
	}
}

bool cfr_dbr_event_handler(struct wlan_objmgr_pdev *pdev,
						   struct direct_buf_rx_data *payload)
{
	uint8_t *data = payload->vaddr;
	uint32_t cookie = payload->cookie;
	struct whal_cfir_dma_hdr dma_hdr = {0};
	int  length = 8, tones = 0, status = 0;
	struct wlan_objmgr_psoc *psoc;
	struct pdev_cfr *pdev_cfrobj;
	struct look_up_table *lut = NULL;
	struct csi_cfr_header *header = NULL;

	if ((!pdev) || (!payload)) {
		cfr_err("pdev or payload is null");
		return true;
	}

	psoc = wlan_pdev_get_psoc(pdev);
	if (!psoc) {
		cfr_err("psoc is null");
		return true;
	}

	pdev_cfrobj = wlan_objmgr_pdev_get_comp_private_obj(pdev,
							    WLAN_UMAC_COMP_CFR);
	if (!pdev_cfrobj) {
		cfr_err("pdev object for CFR is null");
		return true;
	}

	cfr_debug("bufferaddr: 0x%pK cookie: %u", payload->paddr, cookie);
	qdf_mem_copy(&dma_hdr, &data[0], sizeof(struct whal_cfir_dma_hdr));

	dump_dma_hdr(&dma_hdr, 0);
	tones = compute_length(&dma_hdr);
	if (tones == TONES_INVALID) {
		cfr_err("Number of tones received is invalid. Investigate!");
		return true;
	}

	length += tones * (dma_hdr.num_chains + 1);

	lut = &pdev_cfrobj->lut[cookie];
	lut->data = data;
	lut->data_len = length;
	lut->dbr_ppdu_id = dma_hdr.phy_ppdu_id;
	lut->dbr_address = payload->paddr;
	qdf_mem_copy(&lut->dma_hdr, &dma_hdr, sizeof(struct whal_cfir_dma_hdr));

	header = &lut->header;
	header->u.meta_v1.capture_bw = dma_hdr.upload_pkt_bw;
	header->u.meta_v1.num_rx_chain = dma_hdr.num_chains + 1;
	header->u.meta_v1.length = length;
	status = correlate_and_relay(pdev, cookie, lut,
				     CORRELATE_DBR_MODULE_ID);
	if (status == STATUS_STREAM_AND_RELEASE) {
		/*
		 * Message format
		 *  Meta data Header + actual payload + trailer
		 */
		status = psoc->soc_cb.rx_ops.cfr_rx_ops.cfr_info_send(pdev, &lut->header,
			sizeof(struct csi_cfr_header),
			lut->data, lut->data_len, &end_magic, 4);
		release_lut_entry(pdev, lut);
		cfr_debug("Data sent to upper layers, released look up table");
		return true;
	} else if (status == STATUS_HOLD) {
		cfr_debug("Tx event not received yet. Buffer is not released");
		return false;
	} else {
		cfr_err("Correlation returned invalid status!!");
		return true;
	}

	return true;
}
#endif

void dump_cfr_peer_tx_event(wmi_cfr_peer_tx_event_param *event)
{
	cfr_debug("CFR capture method: %d vdev_id: %d mac: %s",
		  event->capture_method, event->vdev_id,
		  ether_sprintf(&event->peer_mac_addr.bytes[0]));

	cfr_debug("Chan: %d bw: %d phymode: %d cfreq1: %d cfrq2: %d nss: %d",
		  event->primary_20mhz_chan, event->bandwidth,
		  event->phy_mode, event->band_center_freq1,
		  event->band_center_freq2, event->spatial_streams);

	cfr_debug("Correlation_info1: 0x%08x Correlation_info2: 0x%08x",
		  event->correlation_info_1, event->correlation_info_2);

	cfr_debug("status: 0x%x ts: %d counter: %d rssi0: 0x%08x",
		  event->status, event->timestamp_us, event->counter,
		  event->chain_rssi[0]);
}

static int
target_if_peer_capture_event(ol_scn_t sc, uint8_t *data, uint32_t datalen)
{
	QDF_STATUS retval = 0;
	ol_ath_soc_softc_t *scn = (ol_ath_soc_softc_t *)sc;
	struct common_wmi_handle *wmi_handle;
	struct wlan_objmgr_psoc *psoc;
	struct wlan_objmgr_pdev *pdev;
	struct wlan_objmgr_vdev *vdev;
	uint32_t cookie;
	struct pdev_cfr *pdev_cfrobj;
	struct look_up_table *lut = NULL;
	struct csi_cfr_header *header = NULL;
	wmi_cfr_peer_tx_event_param tx_evt_param = {0};
	qdf_dma_addr_t buf_addr = 0, buf_addr_temp = 0;
	int status;

	psoc = scn->psoc_obj;
	if (!psoc) {
		cfr_err("psoc is null");
		return -EINVAL;
	}

	retval = wlan_objmgr_psoc_try_get_ref(psoc, WLAN_CFR_ID);
	if (QDF_IS_STATUS_ERROR(retval)) {
		cfr_err("unable to get psoc reference");
		return -EINVAL;
	}

	wmi_handle = GET_WMI_HDL_FROM_PSOC(psoc);
	if (!wmi_handle) {
		cfr_err("wmi_handle is null");
		wlan_objmgr_psoc_release_ref(psoc, WLAN_CFR_ID);
		return -EINVAL;
	}


	retval = wmi_extract_cfr_peer_tx_event_param(wmi_handle, data,
						     &tx_evt_param);

	if (retval != QDF_STATUS_SUCCESS) {
		cfr_err("Failed to extract cfr tx event param");
		wlan_objmgr_psoc_release_ref(psoc, WLAN_CFR_ID);
		return -EINVAL;
	}

	dump_cfr_peer_tx_event(&tx_evt_param);

	vdev = wlan_objmgr_get_vdev_by_id_from_psoc(psoc, tx_evt_param.vdev_id,
						    WLAN_CFR_ID);
	if (!vdev) {
		cfr_err("vdev is null");
		wlan_objmgr_psoc_release_ref(psoc, WLAN_CFR_ID);
		return -EINVAL;
	}

	pdev = wlan_vdev_get_pdev(vdev);
	if (!pdev) {
		cfr_err("pdev is null");
		wlan_objmgr_psoc_release_ref(psoc, WLAN_CFR_ID);
		wlan_objmgr_vdev_release_ref(vdev, WLAN_CFR_ID);
		return -EINVAL;
	}

	retval = wlan_objmgr_pdev_try_get_ref(pdev, WLAN_CFR_ID);
	if (retval != QDF_STATUS_SUCCESS){
		cfr_err("failed to get pdev reference");
		wlan_objmgr_psoc_release_ref(psoc, WLAN_CFR_ID);
		wlan_objmgr_vdev_release_ref(vdev, WLAN_CFR_ID);
		return -EINVAL;
	}

	pdev_cfrobj = wlan_objmgr_pdev_get_comp_private_obj(pdev,
							    WLAN_UMAC_COMP_CFR);
	if (!pdev_cfrobj) {
		cfr_err("pdev object for CFR is NULL");
		wlan_objmgr_psoc_release_ref(psoc, WLAN_CFR_ID);
		wlan_objmgr_vdev_release_ref(vdev, WLAN_CFR_ID);
		wlan_objmgr_pdev_release_ref(pdev, WLAN_CFR_ID);
		return -EINVAL;
	}

	if ((tx_evt_param.status & PEER_CFR_CAPTURE_EVT_STATUS_MASK) == 0) {
		cfr_debug("CFR capture failed for peer : %s",
			  ether_sprintf(&tx_evt_param.peer_mac_addr.bytes[0]));
		wlan_objmgr_psoc_release_ref(psoc, WLAN_CFR_ID);
		wlan_objmgr_vdev_release_ref(vdev, WLAN_CFR_ID);
		wlan_objmgr_pdev_release_ref(pdev, WLAN_CFR_ID);
		return -EINVAL;
	}

	if (tx_evt_param.status & CFR_TX_EVT_STATUS_MASK) {
		cfr_debug("TX packet returned status %d for peer: %s",
			  tx_evt_param.status & CFR_TX_EVT_STATUS_MASK,
			  ether_sprintf(&tx_evt_param.peer_mac_addr.bytes[0]));
		wlan_objmgr_psoc_release_ref(psoc, WLAN_CFR_ID);
		wlan_objmgr_vdev_release_ref(vdev, WLAN_CFR_ID);
		wlan_objmgr_pdev_release_ref(pdev, WLAN_CFR_ID);
		return -EINVAL;
	}

	buf_addr_temp = (tx_evt_param.correlation_info_2 & 0x0f);
	buf_addr = (tx_evt_param.correlation_info_1 |((uint64_t)buf_addr_temp << 32));

	if (target_if_dbr_cookie_lookup(pdev, DBR_MODULE_CFR, buf_addr,
					&cookie)) {
		cfr_debug("Cookie lookup failure for addr: 0x%pK status: 0x%x",
		buf_addr, tx_evt_param.status);
		wlan_objmgr_psoc_release_ref(psoc, WLAN_CFR_ID);
		wlan_objmgr_vdev_release_ref(vdev, WLAN_CFR_ID);
		wlan_objmgr_pdev_release_ref(pdev, WLAN_CFR_ID);
		return -EINVAL;
	}

	cfr_debug("buffer address: 0x%pK cookie: %u", buf_addr, cookie);

	lut = &pdev_cfrobj->lut[cookie];
	lut->tx_ppdu_id = (tx_evt_param.correlation_info_2 >> 16);
	lut->tx_address1 = tx_evt_param.correlation_info_1;
	lut->tx_address2 = tx_evt_param.correlation_info_2;
	header = &lut->header;

	header->start_magic_num        = 0xDEADBEAF;
	header->vendorid               = 0x8cfdf0;
	header->cfr_metadata_version   = CFR_META_VERSION_1;
	header->cfr_data_version       = CFR_DATA_VERSION_1;
	header->chip_type              = CFR_CAPTURE_RADIO_HKV2;
	header->pltform_type           = CFR_PLATFORM_TYPE_ARM;
	header->Reserved               = 0;
	header->u.meta_v1.status       = (tx_evt_param.status &
					  PEER_CFR_CAPTURE_EVT_STATUS_MASK)?0:1;
	header->u.meta_v1.channel_bw   = tx_evt_param.bandwidth;
	header->u.meta_v1.phy_mode     = tx_evt_param.phy_mode;
	header->u.meta_v1.prim20_chan  = tx_evt_param.primary_20mhz_chan;
	header->u.meta_v1.center_freq1 = tx_evt_param.band_center_freq1;
	header->u.meta_v1.center_freq2 = tx_evt_param.band_center_freq2;
	header->u.meta_v1.capture_type = tx_evt_param.capture_method;
	header->u.meta_v1.sts_count    = tx_evt_param.spatial_streams;
	header->u.meta_v1.timestamp    = tx_evt_param.timestamp_us;

	qdf_mem_copy(&header->u.meta_v1.peer_addr[0],
		     &tx_evt_param.peer_mac_addr.bytes[0], IEEE80211_ADDR_LEN);

	status = correlate_and_relay(pdev, cookie, lut,
				     CORRELATE_TX_EV_MODULE_ID);
	if (status == STATUS_STREAM_AND_RELEASE) {
		status = psoc->soc_cb.rx_ops.cfr_rx_ops.cfr_info_send(pdev, &lut->header,
				sizeof(struct csi_cfr_header),
				lut->data, lut->data_len, &end_magic, 4);
		release_lut_entry(pdev, lut);
		target_if_dbr_buf_release(pdev, DBR_MODULE_CFR, buf_addr,
					  cookie);
		cfr_debug("Data sent to upper layers, releasing look up table");
	} else if (status == STATUS_HOLD) {
		cfr_debug("HOLD for buffer address: 0x%pK cookie: %u",
			  buf_addr, cookie);
	} else {
		cfr_err("Correlation returned invalid status!!");
		wlan_objmgr_psoc_release_ref(psoc, WLAN_CFR_ID);
		wlan_objmgr_vdev_release_ref(vdev, WLAN_CFR_ID);
		wlan_objmgr_pdev_release_ref(pdev, WLAN_CFR_ID);
		return -EINVAL;
	}

	wlan_objmgr_psoc_release_ref(psoc, WLAN_CFR_ID);
	wlan_objmgr_vdev_release_ref(vdev, WLAN_CFR_ID);
	wlan_objmgr_pdev_release_ref(pdev, WLAN_CFR_ID);

	return 0;
}

int
target_if_register_tx_completion_event_handler(struct wlan_objmgr_psoc *psoc)
{
	/* Register completion handler here */
	wmi_unified_t wmi_hdl;
	int ret = 0;

	wmi_hdl = get_wmi_unified_hdl_from_psoc(psoc);
	if (!wmi_hdl) {
		cfr_err("Unable to get wmi handle");
		return -EINVAL;
	}

	ret = wmi_unified_register_event_handler(wmi_hdl,
						 wmi_peer_cfr_capture_event_id,
						 target_if_peer_capture_event,
						 WMI_RX_UMAC_CTX);
	/*
	 * Event registration is called per pdev
	 * Ignore erorr if event is alreday registred.
	 */
	if (ret == QDF_STATUS_E_FAILURE)
		ret = QDF_STATUS_SUCCESS;

	return ret;
}

int
target_if_unregister_tx_completion_event_handler(struct wlan_objmgr_psoc *psoc)
{
	/* Unregister completion handler here */
	wmi_unified_t wmi_hdl;
	int status = 0;

	wmi_hdl = get_wmi_unified_hdl_from_psoc(psoc);
	if (!wmi_hdl) {
		cfr_err("Unable to get wmi handle");
		return -EINVAL;
	}

	status = wmi_unified_unregister_event(wmi_hdl,
					      wmi_peer_cfr_capture_event_id);
	return status;
}

#ifdef DIRECT_BUF_RX_ENABLE
QDF_STATUS
target_if_register_to_dbr(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_objmgr_psoc *psoc;
	struct wlan_lmac_if_direct_buf_rx_tx_ops *dbr_tx_ops = NULL;

	psoc = wlan_pdev_get_psoc(pdev);
	dbr_tx_ops = &psoc->soc_cb.tx_ops.dbr_tx_ops;
	if (dbr_tx_ops->direct_buf_rx_module_register) {
		return dbr_tx_ops->direct_buf_rx_module_register
			(pdev, DBR_MODULE_CFR,
			 cfr_dbr_event_handler);
	}

	return QDF_STATUS_SUCCESS;
}

QDF_STATUS
target_if_unregister_to_dbr(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_objmgr_psoc *psoc;
	struct wlan_lmac_if_direct_buf_rx_tx_ops *dbr_tx_ops = NULL;

	psoc = wlan_pdev_get_psoc(pdev);
	dbr_tx_ops = &psoc->soc_cb.tx_ops.dbr_tx_ops;
	if (dbr_tx_ops->direct_buf_rx_module_register) {
		return dbr_tx_ops->direct_buf_rx_module_unregister
			(pdev, DBR_MODULE_CFR);
	}

	return QDF_STATUS_SUCCESS;
}

struct module_ring_params*
target_if_dbr_get_ring_params(struct wlan_objmgr_pdev *pdev)
{
	struct wlan_objmgr_psoc *psoc;
	struct wlan_lmac_if_direct_buf_rx_tx_ops *dbr_tx_ops = NULL;
	struct module_ring_params *param = {0};

	psoc = wlan_pdev_get_psoc(pdev);
	dbr_tx_ops = &psoc->soc_cb.tx_ops.dbr_tx_ops;

	if(dbr_tx_ops->direct_buf_rx_get_ring_params)
		dbr_tx_ops->direct_buf_rx_get_ring_params(pdev, param,
							  DBR_MODULE_CFR);
	return param;
}
#else
QDF_STATUS
target_if_cfr_register_to_dbr(struct wlan_objmgr_pdev *pdev)
{
	return QDF_STATUS_SUCCESS;
}

QDF_STATUS
target_if_unregister_to_dbr(struct wlan_objmgr_pdev *pdev)
{
	return QDF_STATUS_SUCCESS;
}

struct module_ring_params*
target_if_dbr_get_ring_params(struct wlan_objmgr_pdev *pdev)
{
	return NULL;
}
#endif

int cfr_8074v2_init_pdev(struct wlan_objmgr_psoc *psoc,
			 struct wlan_objmgr_pdev *pdev)
{
	int status;
	struct pdev_cfr *pdev_cfrobj;

	pdev_cfrobj = wlan_objmgr_pdev_get_comp_private_obj(pdev,
							    WLAN_UMAC_COMP_CFR);
	if (!pdev_cfrobj)
		return -EINVAL;

	status = target_if_register_to_dbr(pdev);
	if (QDF_STATUS_SUCCESS != status) {
		cfr_err("Failed to register with dbr");
		return -EINVAL;
	}

	status = target_if_register_tx_completion_event_handler(psoc);
	if (QDF_STATUS_SUCCESS != status) {
		cfr_err("Failed to register with tx event handler");
		return -EINVAL;
	}

	pdev_cfrobj->cfr_max_sta_count = MAX_PEERS_HKV2;
	pdev_cfrobj->subbuf_size = STREAMFS_MAX_SUBBUF_8S;
	pdev_cfrobj->num_subbufs = STREAMFS_NUM_SUBBUF_8S;

	return status;
}

int cfr_8074v2_deinit_pdev(struct wlan_objmgr_psoc *psoc,
			   struct wlan_objmgr_pdev *pdev)
{
	int status;

	status = target_if_unregister_to_dbr(pdev);
	if (QDF_STATUS_SUCCESS != status) {
		cfr_err("Failed to register with dbr");
	}

	status = target_if_unregister_tx_completion_event_handler(psoc);
	return status;
}