CORE/UTILS/PKTLOG/pktlog_internal.c

/*
 * Copyright (c) 2013-2017 The Linux Foundation. All rights reserved.
 *
 * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
 *
 *
 * 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.
 */

/*
 * This file was originally distributed by Qualcomm Atheros, Inc.
 * under proprietary terms before Copyright ownership was assigned
 * to the Linux Foundation.
 */

#ifndef REMOVE_PKT_LOG
#include "ol_txrx_types.h"
#include "ol_htt_tx_api.h"
#include "ol_tx_desc.h"
#include "adf_os_mem.h"
#include "htt.h"
#include "htt_internal.h"
#include "pktlog_ac_i.h"
#include "wma_api.h"
#include "wlan_logging_sock_svc.h"
#include "ol_txrx.h"

#define TX_DESC_ID_LOW_MASK	0xffff
#define TX_DESC_ID_LOW_SHIFT	0
#define TX_DESC_ID_HIGH_MASK	0xffff0000
#define TX_DESC_ID_HIGH_SHIFT	16

#define PER_PACKET_STATS_THRESHOLD 4096

void
pktlog_getbuf_intsafe(struct ath_pktlog_arg *plarg)
{
	struct ath_pktlog_buf *log_buf;
	int32_t buf_size;
	struct ath_pktlog_hdr *log_hdr;
	int32_t cur_wr_offset;
	char *log_ptr;
	struct ath_pktlog_info *pl_info;
	u_int16_t log_type;
	size_t log_size;
	uint32_t flags;

	if (!plarg) {
		printk("Invalid parg in %s\n", __func__);
		return;
	}

	pl_info = plarg->pl_info;
	log_type = plarg->log_type;
	log_size = plarg->log_size;
	log_buf = pl_info->buf;
	flags = plarg->flags;

	if (!log_buf) {
		printk("Invalid log_buf in %s\n", __func__);
		return;
	}
	buf_size = pl_info->buf_size;
	cur_wr_offset = log_buf->wr_offset;
	/* Move read offset to the next entry if there is a buffer overlap */
	if (log_buf->rd_offset >= 0) {
		if ((cur_wr_offset <= log_buf->rd_offset)
		    && (cur_wr_offset + sizeof(struct ath_pktlog_hdr)) >
		    log_buf->rd_offset) {
			PKTLOG_MOV_RD_IDX(log_buf->rd_offset, log_buf,
					  buf_size);
		}
	} else {
		log_buf->rd_offset = cur_wr_offset;
	}

	log_hdr = (struct ath_pktlog_hdr *) (log_buf->log_data + cur_wr_offset);
	log_hdr->log_type = log_type;
	log_hdr->flags = flags;
	log_hdr->size = (u_int16_t)log_size;
	log_hdr->missed_cnt = plarg->missed_cnt;
	log_hdr->timestamp = plarg->timestamp;

	cur_wr_offset += sizeof(*log_hdr);

	if ((buf_size - cur_wr_offset) < log_size) {
		while ((cur_wr_offset <= log_buf->rd_offset)
		       && (log_buf->rd_offset < buf_size)) {
			PKTLOG_MOV_RD_IDX(log_buf->rd_offset, log_buf,
					  buf_size);
		}
		cur_wr_offset = 0;
	}

	while ((cur_wr_offset <= log_buf->rd_offset)
	       && (cur_wr_offset + log_size) > log_buf->rd_offset) {
			PKTLOG_MOV_RD_IDX(log_buf->rd_offset, log_buf,
					  buf_size);
	}

	log_ptr = &(log_buf->log_data[cur_wr_offset]);
	cur_wr_offset += log_hdr->size;

	log_buf->wr_offset = ((buf_size - cur_wr_offset) >=
			     sizeof(struct ath_pktlog_hdr)) ? cur_wr_offset : 0;

	plarg->buf = log_ptr;
}

/**
 * pktlog_check_threshold() - This function checks threshold for triggering
 * packet stats
 * @pl_info: Packet log information pointer
 * @log_size: Size of current packet log information
 *
 * This function internally triggers logging of per packet stats when the
 * incoming data crosses threshold limit
 *
 * Return: None
 *
 */
void pktlog_check_threshold(struct ath_pktlog_info *pl_info,
			    size_t log_size)
{
	PKTLOG_LOCK(pl_info);
	pl_info->buf->bytes_written += log_size + sizeof(struct ath_pktlog_hdr);

	if (pl_info->buf->bytes_written >= PER_PACKET_STATS_THRESHOLD) {
		wlan_logging_set_per_pkt_stats();
		pl_info->buf->bytes_written = 0;
	}
	PKTLOG_UNLOCK(pl_info);
}

char *
pktlog_getbuf(struct ol_pktlog_dev_t *pl_dev,
	      struct ath_pktlog_info *pl_info,
	      size_t log_size,
	      struct ath_pktlog_hdr *pl_hdr)
{
	struct ath_pktlog_arg plarg = {0,};
	uint8_t flags = 0;

	plarg.pl_info = pl_info;
	plarg.log_type = pl_hdr->log_type;
	plarg.log_size = log_size;
	plarg.flags = pl_hdr->flags;
	plarg.missed_cnt = pl_hdr->missed_cnt;
	plarg.timestamp = pl_hdr->timestamp;

	if (flags & PHFLAGS_INTERRUPT_CONTEXT) {
		/*
		 * We are already in interupt context, no need to make it
		 * intsafe. call the function directly.
		 */
		pktlog_getbuf_intsafe(&plarg);
	} else {
		PKTLOG_LOCK(pl_info);
		pktlog_getbuf_intsafe(&plarg);
		PKTLOG_UNLOCK(pl_info);
	}
	return plarg.buf;
}

static struct txctl_frm_hdr frm_hdr;

static void process_ieee_hdr(void *data)
{
	uint8_t dir;
	struct ieee80211_frame *wh = (struct ieee80211_frame *)(data);

	frm_hdr.framectrl = *(u_int16_t *)(wh->i_fc);
	frm_hdr.seqctrl   = *(u_int16_t *)(wh->i_seq);
	dir = (wh->i_fc[1] & IEEE80211_FC1_DIR_MASK);

	if (dir == IEEE80211_FC1_DIR_TODS) {
		frm_hdr.bssid_tail = (wh->i_addr1[IEEE80211_ADDR_LEN-2] << 8) |
				     (wh->i_addr1[IEEE80211_ADDR_LEN-1]);
		frm_hdr.sa_tail    = (wh->i_addr2[IEEE80211_ADDR_LEN-2] << 8) |
				     (wh->i_addr2[IEEE80211_ADDR_LEN-1]);
		frm_hdr.da_tail    = (wh->i_addr3[IEEE80211_ADDR_LEN-2] << 8) |
				     (wh->i_addr3[IEEE80211_ADDR_LEN-1]);
	} else if (dir == IEEE80211_FC1_DIR_FROMDS) {
		frm_hdr.bssid_tail = (wh->i_addr2[IEEE80211_ADDR_LEN-2] << 8) |
				     (wh->i_addr2[IEEE80211_ADDR_LEN-1]);
		frm_hdr.sa_tail    = (wh->i_addr3[IEEE80211_ADDR_LEN-2] << 8) |
				     (wh->i_addr3[IEEE80211_ADDR_LEN-1]);
		frm_hdr.da_tail    = (wh->i_addr1[IEEE80211_ADDR_LEN-2] << 8) |
				     (wh->i_addr1[IEEE80211_ADDR_LEN-1]);
	} else {
		frm_hdr.bssid_tail = (wh->i_addr3[IEEE80211_ADDR_LEN-2] << 8) |
				     (wh->i_addr3[IEEE80211_ADDR_LEN-1]);
		frm_hdr.sa_tail    = (wh->i_addr2[IEEE80211_ADDR_LEN-2] << 8) |
				     (wh->i_addr2[IEEE80211_ADDR_LEN-1]);
		frm_hdr.da_tail    = (wh->i_addr1[IEEE80211_ADDR_LEN-2] << 8) |
				     (wh->i_addr1[IEEE80211_ADDR_LEN-1]);
	}
}

static inline uint16_t get_desc_pool_size(struct ol_txrx_pdev_t *txrx_pdev)
{
	if (txrx_pdev->cfg.is_high_latency)
		return ol_tx_desc_pool_size_hl(txrx_pdev->ctrl_pdev);
	else
		return ol_cfg_target_tx_credit(txrx_pdev->ctrl_pdev);
}

A_STATUS
process_tx_info(struct ol_txrx_pdev_t *txrx_pdev,
		void *data)
{
	/*
	 * Must include to process different types
	 * TX_CTL, TX_STATUS, TX_MSDU_ID, TX_FRM_HDR
	 */
	struct ol_pktlog_dev_t *pl_dev;
	struct ath_pktlog_hdr pl_hdr;
	struct ath_pktlog_info *pl_info;
	uint32_t *pl_tgt_hdr;

	if (!txrx_pdev) {
		printk("Invalid pdev in %s\n", __func__);
		return A_ERROR;
	}
	adf_os_assert(txrx_pdev->pl_dev);
	adf_os_assert(data);
	pl_dev = txrx_pdev->pl_dev;

	pl_tgt_hdr = (uint32_t *)data;
	/*
	 * Makes the short words (16 bits) portable b/w little endian
	 * and big endian
	 */
	pl_hdr.flags = (*(pl_tgt_hdr + ATH_PKTLOG_HDR_FLAGS_OFFSET) &
			ATH_PKTLOG_HDR_FLAGS_MASK) >>
			ATH_PKTLOG_HDR_FLAGS_SHIFT;
	pl_hdr.missed_cnt =  (*(pl_tgt_hdr + ATH_PKTLOG_HDR_MISSED_CNT_OFFSET) &
				ATH_PKTLOG_HDR_MISSED_CNT_MASK) >>
				ATH_PKTLOG_HDR_MISSED_CNT_SHIFT;
	pl_hdr.log_type = (*(pl_tgt_hdr + ATH_PKTLOG_HDR_LOG_TYPE_OFFSET) &
				ATH_PKTLOG_HDR_LOG_TYPE_MASK) >>
				ATH_PKTLOG_HDR_LOG_TYPE_SHIFT;
	pl_hdr.size =  (*(pl_tgt_hdr + ATH_PKTLOG_HDR_SIZE_OFFSET) &
				ATH_PKTLOG_HDR_SIZE_MASK) >>
				ATH_PKTLOG_HDR_SIZE_SHIFT;
	pl_hdr.timestamp = *(pl_tgt_hdr + ATH_PKTLOG_HDR_TIMESTAMP_OFFSET);

	pl_info = pl_dev->pl_info;

	if (pl_hdr.log_type == PKTLOG_TYPE_TX_FRM_HDR) {
		/* Valid only for the TX CTL */
		process_ieee_hdr(data + sizeof(pl_hdr));
	}

	if (pl_hdr.log_type == PKTLOG_TYPE_TX_VIRT_ADDR) {
		A_UINT32 desc_id = (A_UINT32)
				*((A_UINT32 *)(data + sizeof(pl_hdr)));
		A_UINT32 vdev_id = desc_id;
		struct ol_tx_desc_t *tx_desc;
		adf_nbuf_t netbuf;

		/* if the pkt log msg is for the bcn frame the vdev id
		 * is piggybacked in desc_id and the MSB of the desc ID
		 * would be set to FF
		 */
#define BCN_DESC_ID 0xFF
		if ((desc_id >> 24) == BCN_DESC_ID) {
			void *data;
			A_UINT32 buf_size;

			vdev_id &= 0x00FFFFFF;
			data = wma_get_beacon_buffer_by_vdev_id(vdev_id,
								&buf_size);
			if (data) {
				process_ieee_hdr(data);
				adf_os_mem_free(data);
			}
		} else {
			tx_desc = ol_tx_desc_find_check(txrx_pdev, desc_id);
			if (tx_desc == NULL) {
				adf_os_print("%s: invalid desc_id(%u), ignore it.\n",
					__func__,
					desc_id);
				return A_ERROR;
			}

			adf_os_assert(tx_desc);
			netbuf = tx_desc->netbuf;
			if (netbuf)
				process_ieee_hdr(adf_nbuf_data(netbuf));
		}
	}

	if (pl_hdr.log_type == PKTLOG_TYPE_TX_CTRL) {
		struct ath_pktlog_txctl txctl_log;
		size_t log_size = sizeof(txctl_log.priv);

		txctl_log.txdesc_hdr_ctl = (void *)pktlog_getbuf(pl_dev,
								 pl_info,
								 log_size,
								 &pl_hdr);

		if (!txctl_log.txdesc_hdr_ctl) {
			printk("failed to get buf for txctl_log.txdesc_hdr_ctl\n");
			return A_ERROR;
		}

		/*
		 * frm hdr is currently Valid only for local frames
		 * Add capability to include the fmr hdr for remote frames
		 */
		txctl_log.priv.frm_hdr = frm_hdr;
		adf_os_assert(txctl_log.priv.txdesc_ctl);
		adf_os_assert(pl_hdr.size < sizeof(txctl_log.priv.txdesc_ctl));
		pl_hdr.size = (pl_hdr.size > sizeof(txctl_log.priv.txdesc_ctl))
			       ? sizeof(txctl_log.priv.txdesc_ctl) :
			       pl_hdr.size;
		adf_os_mem_copy((void *)&txctl_log.priv.txdesc_ctl,
				((void *)data + sizeof(struct ath_pktlog_hdr)),
				pl_hdr.size);
		adf_os_assert(txctl_log.txdesc_hdr_ctl);
		adf_os_mem_copy(txctl_log.txdesc_hdr_ctl, &txctl_log.priv,
				sizeof(txctl_log.priv));

		pl_hdr.size = log_size;
		vos_pkt_stats_to_logger_thread(&pl_hdr, NULL,
						txctl_log.txdesc_hdr_ctl);
		/* Add Protocol information and HT specific information */
	}

	if (pl_hdr.log_type == PKTLOG_TYPE_TX_STAT) {
		struct ath_pktlog_tx_status txstat_log;
		size_t log_size = pl_hdr.size;

		txstat_log.ds_status = (void *)
		pktlog_getbuf(pl_dev, pl_info, log_size, &pl_hdr);
		adf_os_assert(txstat_log.ds_status);
		adf_os_mem_copy(txstat_log.ds_status,
				((void *)data + sizeof(struct ath_pktlog_hdr)),
				pl_hdr.size);
		vos_pkt_stats_to_logger_thread(&pl_hdr, NULL,
						txstat_log.ds_status);
	}

	if (pl_hdr.log_type == PKTLOG_TYPE_TX_MSDU_ID) {
		struct ath_pktlog_msdu_info pl_msdu_info;
		uint32_t i;
		uint32_t *htt_tx_desc;
		size_t log_size;
		struct ol_tx_desc_t *tx_desc;
		uint8_t msdu_id_offset = MSDU_ID_INFO_ID_OFFSET;
		uint16_t tx_desc_id;
		uint32_t *msdu_id_info = (uint32_t *)
					 ((void *)data +
					  sizeof(struct ath_pktlog_hdr));
		uint32_t *msdu_id = (uint32_t *)((char *)msdu_id_info +
				    msdu_id_offset);
		u_int8_t *addr, *vap_addr;
		u_int8_t vdev_id;
		adf_nbuf_t netbuf;
		u_int32_t len;

		adf_os_mem_set(&pl_msdu_info, 0, sizeof(pl_msdu_info));

		pl_msdu_info.num_msdu = *msdu_id_info;
		pl_msdu_info.priv_size = sizeof(uint32_t) *
					 pl_msdu_info.num_msdu +
					 sizeof(uint32_t);
		log_size = sizeof(pl_msdu_info.priv);

		for (i = 0; i < pl_msdu_info.num_msdu; i++) {
			/*
			 * Handle big endianess
			 * Increment msdu_id once after retrieving
			 * lower 16 bits and uppper 16 bits
			 */
			if (!(i % 2)) {
				tx_desc_id = ((*msdu_id & TX_DESC_ID_LOW_MASK)
					     >> TX_DESC_ID_LOW_SHIFT);
			} else {
				tx_desc_id = ((*msdu_id & TX_DESC_ID_HIGH_MASK)
					     >> TX_DESC_ID_HIGH_SHIFT);
				msdu_id += 1;
			}
			if (tx_desc_id >= get_desc_pool_size(txrx_pdev)) {
				adf_os_print("%s: drop due to invalid msdu id = %x\n",
						__func__, tx_desc_id);
				return A_ERROR;
			}

			tx_desc = ol_tx_desc_find_check(txrx_pdev, tx_desc_id);
			if (!tx_desc) {
				adf_os_print("%s: ignore invalid desc_id(%u)\n",
						__func__, tx_desc_id);
				return A_ERROR;
			}

			netbuf = tx_desc->netbuf;
			htt_tx_desc = (uint32_t *) tx_desc->htt_tx_desc;
			adf_os_assert(htt_tx_desc);

			adf_nbuf_peek_header(netbuf, &addr, &len);

			if (len < (2 * IEEE80211_ADDR_LEN)) {
				adf_os_print("TX frame does not have a valid address\n");
				return A_ERROR;
			}
			/* Adding header information for the TX data frames */
			vdev_id = (u_int8_t)(*(htt_tx_desc +
					     HTT_TX_VDEV_ID_WORD) >>
					     HTT_TX_VDEV_ID_SHIFT) &
					     HTT_TX_VDEV_ID_MASK;

			vap_addr = wma_get_vdev_address_by_vdev_id(vdev_id);

			frm_hdr.da_tail    = (addr[IEEE80211_ADDR_LEN-2] << 8) |
					     (addr[IEEE80211_ADDR_LEN-1]);
			frm_hdr.sa_tail    =
					(addr[2 * IEEE80211_ADDR_LEN-2] << 8) |
					(addr[2 * IEEE80211_ADDR_LEN-1]);
			if (vap_addr) {
				frm_hdr.bssid_tail =
					(vap_addr[IEEE80211_ADDR_LEN-2] << 8) |
					(vap_addr[IEEE80211_ADDR_LEN-1]);
			} else {
				frm_hdr.bssid_tail = 0x0000;
			}
			pl_msdu_info.priv.msdu_len[i] = *(htt_tx_desc +
					HTT_TX_MSDU_LEN_DWORD)
					& HTT_TX_MSDU_LEN_MASK;
			/*
			 * Add more information per MSDU
			 * e.g., protocol information
			 */
		}
		pl_msdu_info.ath_msdu_info = pktlog_getbuf(pl_dev, pl_info,
							   log_size, &pl_hdr);
		adf_os_mem_copy((void *)&pl_msdu_info.priv.msdu_id_info,
				((void *)data + sizeof(struct ath_pktlog_hdr)),
				sizeof(pl_msdu_info.priv.msdu_id_info));
		adf_os_mem_copy(pl_msdu_info.ath_msdu_info, &pl_msdu_info.priv,
				sizeof(pl_msdu_info.priv));
		vos_pkt_stats_to_logger_thread(&pl_hdr, NULL,
						pl_msdu_info.ath_msdu_info);
	}
	return A_OK;
}

A_STATUS
process_rx_info_remote(void *pdev, adf_nbuf_t amsdu)
{
	struct ol_pktlog_dev_t *pl_dev;
	struct ath_pktlog_info *pl_info;
	struct htt_host_rx_desc_base *rx_desc;
	struct ath_pktlog_hdr pl_hdr;
	struct ath_pktlog_rx_info rxstat_log;
	size_t log_size;
	adf_nbuf_t msdu;

	if (!pdev) {
		printk("Invalid pdev in %s\n", __func__);
		return A_ERROR;
	}
	if (!amsdu) {
		printk("Invalid data in %s\n", __func__);
		return A_ERROR;
	}
	pl_dev = ((struct ol_txrx_pdev_t *) pdev)->pl_dev;
	pl_info = pl_dev->pl_info;
	msdu = amsdu;

	while (msdu) {
		rx_desc = (struct htt_host_rx_desc_base *)(
			  adf_nbuf_data(msdu)) - 1;
		log_size = sizeof(*rx_desc) -
			   sizeof(struct htt_host_fw_desc_base);

		/*
		 * Construct the pktlog header pl_hdr
		 * Because desc is DMA'd to the host memory
		 */
		pl_hdr.flags = (1 << PKTLOG_FLG_FRM_TYPE_REMOTE_S);
		pl_hdr.missed_cnt = 0;
		pl_hdr.log_type = PKTLOG_TYPE_RX_STAT;
		pl_hdr.size = sizeof(*rx_desc) -
			      sizeof(struct htt_host_fw_desc_base);
		pl_hdr.timestamp = rx_desc->ppdu_end.tsf_timestamp;
		rxstat_log.rx_desc = (void *)pktlog_getbuf(pl_dev, pl_info,
							   log_size, &pl_hdr);

		adf_os_mem_copy(rxstat_log.rx_desc, (void *)rx_desc +
				sizeof(struct htt_host_fw_desc_base),
				pl_hdr.size);
		vos_pkt_stats_to_logger_thread(&pl_hdr, NULL,
						rxstat_log.rx_desc);
		msdu = adf_nbuf_next(msdu);
	}
	return A_OK;
}

A_STATUS
process_rx_info(void *pdev, void *data)
{
	struct ol_pktlog_dev_t *pl_dev;
	struct ath_pktlog_info *pl_info;
	struct ath_pktlog_rx_info rxstat_log;
	struct ath_pktlog_hdr pl_hdr;
	size_t log_size;
	uint32_t *pl_tgt_hdr;

	if (!pdev) {
		printk("Invalid pdev in %s", __func__);
		return A_ERROR;
	}
	pl_dev = ((struct ol_txrx_pdev_t *) pdev)->pl_dev;
	pl_info = pl_dev->pl_info;
	pl_tgt_hdr = (uint32_t *)data;
	pl_hdr.flags = (*(pl_tgt_hdr + ATH_PKTLOG_HDR_FLAGS_OFFSET) &
			ATH_PKTLOG_HDR_FLAGS_MASK) >>
			ATH_PKTLOG_HDR_FLAGS_SHIFT;
	pl_hdr.missed_cnt =  (*(pl_tgt_hdr + ATH_PKTLOG_HDR_MISSED_CNT_OFFSET) &
			      ATH_PKTLOG_HDR_MISSED_CNT_MASK) >>
			      ATH_PKTLOG_HDR_MISSED_CNT_SHIFT;
	pl_hdr.log_type =  (*(pl_tgt_hdr + ATH_PKTLOG_HDR_LOG_TYPE_OFFSET) &
			    ATH_PKTLOG_HDR_LOG_TYPE_MASK) >>
			    ATH_PKTLOG_HDR_LOG_TYPE_SHIFT;
	pl_hdr.size =  (*(pl_tgt_hdr + ATH_PKTLOG_HDR_SIZE_OFFSET) &
			ATH_PKTLOG_HDR_SIZE_MASK) >>
			ATH_PKTLOG_HDR_SIZE_SHIFT;
	pl_hdr.timestamp = *(pl_tgt_hdr + ATH_PKTLOG_HDR_TIMESTAMP_OFFSET);
	log_size = pl_hdr.size;
	rxstat_log.rx_desc = (void *)pktlog_getbuf(pl_dev, pl_info,
						   log_size, &pl_hdr);

	adf_os_mem_copy(rxstat_log.rx_desc,
			(void *)data + sizeof(struct ath_pktlog_hdr),
			pl_hdr.size);
	vos_pkt_stats_to_logger_thread(&pl_hdr, NULL, rxstat_log.rx_desc);
	return A_OK;
}

A_STATUS
process_rate_find(void *pdev, void *data)
{
	struct ol_pktlog_dev_t *pl_dev;
	struct ath_pktlog_hdr pl_hdr;
	struct ath_pktlog_info *pl_info;
	size_t log_size;

	/*
	 * Will be uncommented when the rate control find
	 * for pktlog is implemented in the firmware.
	 * Currently derived from the TX PPDU status
	 */
	struct ath_pktlog_rc_find rcf_log;
	uint32_t *pl_tgt_hdr;

	if (!pdev) {
		adf_os_print("Invalid pdev in %s\n", __func__);
		return A_ERROR;
	}
	if (!data) {
		adf_os_print("Invalid data in %s\n", __func__);
		return A_ERROR;
	}

	pl_tgt_hdr = (uint32_t *)data;
	/*
	 * Makes the short words (16 bits) portable b/w little endian
	 * and big endian
	 */
	pl_hdr.flags = (*(pl_tgt_hdr + ATH_PKTLOG_HDR_FLAGS_OFFSET) &
			ATH_PKTLOG_HDR_FLAGS_MASK) >>
			ATH_PKTLOG_HDR_FLAGS_SHIFT;
	pl_hdr.missed_cnt = (*(pl_tgt_hdr + ATH_PKTLOG_HDR_MISSED_CNT_OFFSET) &
			     ATH_PKTLOG_HDR_MISSED_CNT_MASK) >>
			     ATH_PKTLOG_HDR_MISSED_CNT_SHIFT;
	pl_hdr.log_type = (*(pl_tgt_hdr + ATH_PKTLOG_HDR_LOG_TYPE_OFFSET) &
			   ATH_PKTLOG_HDR_LOG_TYPE_MASK) >>
			   ATH_PKTLOG_HDR_LOG_TYPE_SHIFT;
	pl_hdr.size = (*(pl_tgt_hdr + ATH_PKTLOG_HDR_SIZE_OFFSET) &
			ATH_PKTLOG_HDR_SIZE_MASK) >>
			ATH_PKTLOG_HDR_SIZE_SHIFT;
	pl_hdr.timestamp  = *(pl_tgt_hdr + ATH_PKTLOG_HDR_TIMESTAMP_OFFSET);
	pl_dev            = ((struct ol_txrx_pdev_t *) pdev)->pl_dev;
	pl_info           = pl_dev->pl_info;
	log_size          = pl_hdr.size;
	rcf_log.rcFind    = (void *) pktlog_getbuf(pl_dev, pl_info,
						   log_size, &pl_hdr);

	adf_os_mem_copy(rcf_log.rcFind,
			((char *)data + sizeof(struct ath_pktlog_hdr)),
			pl_hdr.size);
	vos_pkt_stats_to_logger_thread(&pl_hdr, NULL, rcf_log.rcFind);
	return A_OK;
}

A_STATUS
process_rate_update(void *pdev, void *data)
{
	struct ol_pktlog_dev_t *pl_dev;
	struct ath_pktlog_hdr pl_hdr;
	size_t log_size;
	struct ath_pktlog_info *pl_info;
	struct ath_pktlog_rc_update rcu_log;
	uint32_t *pl_tgt_hdr;

	if (!pdev) {
		printk("Invalid pdev in %s\n", __func__);
		return A_ERROR;
	}
	if (!data) {
		printk("Invalid data in %s\n", __func__);
		return A_ERROR;
	}
	pl_tgt_hdr = (uint32_t *)data;
	/*
	 * Makes the short words (16 bits) portable b/w little endian
	 * and big endian
	 */
	pl_hdr.flags = (*(pl_tgt_hdr + ATH_PKTLOG_HDR_FLAGS_OFFSET) &
			ATH_PKTLOG_HDR_FLAGS_MASK) >>
			ATH_PKTLOG_HDR_FLAGS_SHIFT;
	pl_hdr.missed_cnt = (*(pl_tgt_hdr + ATH_PKTLOG_HDR_MISSED_CNT_OFFSET) &
			     ATH_PKTLOG_HDR_MISSED_CNT_MASK) >>
			     ATH_PKTLOG_HDR_MISSED_CNT_SHIFT;
	pl_hdr.log_type = (*(pl_tgt_hdr + ATH_PKTLOG_HDR_LOG_TYPE_OFFSET) &
			   ATH_PKTLOG_HDR_LOG_TYPE_MASK) >>
			   ATH_PKTLOG_HDR_LOG_TYPE_SHIFT;
	pl_hdr.size = (*(pl_tgt_hdr + ATH_PKTLOG_HDR_SIZE_OFFSET) &
			ATH_PKTLOG_HDR_SIZE_MASK) >>
			ATH_PKTLOG_HDR_SIZE_SHIFT;
	pl_hdr.timestamp = *(pl_tgt_hdr + ATH_PKTLOG_HDR_TIMESTAMP_OFFSET);
	pl_dev = ((struct ol_txrx_pdev_t *) pdev)->pl_dev;
	log_size = pl_hdr.size;
	pl_info = pl_dev->pl_info;

	/*
	 * Will be uncommented when the rate control update
	 * for pktlog is implemented in the firmware.
	 * Currently derived from the TX PPDU status
	 */
	rcu_log.txRateCtrl = (void *)pktlog_getbuf(pl_dev, pl_info,
						   log_size, &pl_hdr);
	adf_os_mem_copy(rcu_log.txRateCtrl,
			((char *)data + sizeof(struct ath_pktlog_hdr)),
			pl_hdr.size);
	vos_pkt_stats_to_logger_thread(&pl_hdr, NULL, rcu_log.txRateCtrl);
	return A_OK;
}
#endif /*REMOVE_PKT_LOG*/