core/dp/txrx/ol_txrx_internal.h

/*
 * Copyright (c) 2011-2018 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.
 */

#ifndef _OL_TXRX_INTERNAL__H_
#define _OL_TXRX_INTERNAL__H_

#include <qdf_util.h>               /* qdf_assert */
#include <qdf_nbuf.h>               /* qdf_nbuf_t */
#include <qdf_mem.h>             /* qdf_mem_set */
#include <cds_ieee80211_common.h>   /* ieee80211_frame */
#include <ol_htt_rx_api.h>          /* htt_rx_msdu_desc_completes_mpdu, etc. */

#include <ol_txrx_types.h>

#include <ol_txrx_dbg.h>
#include <enet.h>               /* ETHERNET_HDR_LEN, etc. */
#include <ipv4.h>               /* IPV4_HDR_LEN, etc. */
#include <ip_prot.h>            /* IP_PROTOCOL_TCP, etc. */

#ifdef ATH_11AC_TXCOMPACT
#define OL_TX_DESC_NO_REFS(tx_desc) 1
#define OL_TX_DESC_REF_INIT(tx_desc)    /* no-op */
#define OL_TX_DESC_REF_INC(tx_desc)     /* no-op */
#else
#define OL_TX_DESC_NO_REFS(tx_desc) \
	qdf_atomic_dec_and_test(&tx_desc->ref_cnt)
#define OL_TX_DESC_REF_INIT(tx_desc) qdf_atomic_init(&tx_desc->ref_cnt)
#define OL_TX_DESC_REF_INC(tx_desc) qdf_atomic_inc(&tx_desc->ref_cnt)
#endif

#ifndef TXRX_ASSERT_LEVEL
#define TXRX_ASSERT_LEVEL 3
#endif

#ifdef __KLOCWORK__
#define TXRX_ASSERT1(x) do { if (!(x)) abort(); } while (0)
#define TXRX_ASSERT2(x) do { if (!(x)) abort(); } while (0)
#else                           /* #ifdef __KLOCWORK__ */

#if TXRX_ASSERT_LEVEL > 0
#define TXRX_ASSERT1(condition) qdf_assert((condition))
#else
#define TXRX_ASSERT1(condition)
#endif

#if TXRX_ASSERT_LEVEL > 1
#define TXRX_ASSERT2(condition) qdf_assert((condition))
#else
#define TXRX_ASSERT2(condition)
#endif
#endif /* #ifdef __KLOCWORK__ */

#ifdef TXRX_PRINT_ENABLE

#include <stdarg.h>             /* va_list */
#include <qdf_types.h>          /* qdf_vprint */

#define ol_txrx_alert(params...) \
	QDF_TRACE_FATAL(QDF_MODULE_ID_TXRX, params)
#define ol_txrx_err(params...) \
	QDF_TRACE_ERROR(QDF_MODULE_ID_TXRX, params)
#define ol_txrx_warn(params...) \
	QDF_TRACE_WARN(QDF_MODULE_ID_TXRX, params)
#define ol_txrx_info(params...) \
	QDF_TRACE_INFO(QDF_MODULE_ID_TXRX, params)
#define ol_txrx_info_high(params...) \
	QDF_TRACE_INFO(QDF_MODULE_ID_TXRX, params)
#define ol_txrx_dbg(params...) \
	QDF_TRACE_DEBUG(QDF_MODULE_ID_TXRX, params)

/*
 * define PN check failure message print rate
 * as 1 second
 */
#define TXRX_PN_CHECK_FAILURE_PRINT_PERIOD_MS  1000

#else
#define ol_txrx_alert(format, args...)
#define ol_txrx_err(format, args...)
#define ol_txrx_warn(format, args...)
#define ol_txrx_info(format, args...)
#define ol_txrx_info_high(format, args...)
#define ol_txrx_dbg(format, args...)
#endif /* TXRX_PRINT_ENABLE */

/*--- tx credit debug printouts ---*/

#ifndef DEBUG_CREDIT
#define DEBUG_CREDIT 0
#endif

#if DEBUG_CREDIT
#define TX_CREDIT_DEBUG_PRINT(fmt, ...) qdf_print(fmt, ## __VA_ARGS__)
#else
#define TX_CREDIT_DEBUG_PRINT(fmt, ...)
#endif

/*--- tx scheduler debug printouts ---*/

#ifdef HOST_TX_SCHED_DEBUG
#define TX_SCHED_DEBUG_PRINT(fmt, ...) qdf_print(fmt, ## __VA_ARGS__)
#else
#define TX_SCHED_DEBUG_PRINT(fmt, ...)
#endif
#define TX_SCHED_DEBUG_PRINT_ALWAYS(fmt, ...) qdf_print(fmt, ## __VA_ARGS__)

#define OL_TXRX_LIST_APPEND(head, tail, elem) \
	do {						\
		if (!(head)) {				    \
			(head) = (elem);			\
		} else {				    \
			qdf_nbuf_set_next((tail), (elem));	\
		}					    \
		(tail) = (elem);			    \
	} while (0)

static inline void
ol_rx_mpdu_list_next(struct ol_txrx_pdev_t *pdev,
		     void *mpdu_list,
		     qdf_nbuf_t *mpdu_tail, qdf_nbuf_t *next_mpdu)
{
	htt_pdev_handle htt_pdev = pdev->htt_pdev;
	qdf_nbuf_t msdu;

	/*
	 * For now, we use a simply flat list of MSDUs.
	 * So, traverse the list until we reach the last MSDU within the MPDU.
	 */
	TXRX_ASSERT2(mpdu_list);
	msdu = mpdu_list;
	while (!htt_rx_msdu_desc_completes_mpdu
		       (htt_pdev, htt_rx_msdu_desc_retrieve(htt_pdev, msdu))) {
		msdu = qdf_nbuf_next(msdu);
		TXRX_ASSERT2(msdu);
	}
	/* msdu now points to the last MSDU within the first MPDU */
	*mpdu_tail = msdu;
	*next_mpdu = qdf_nbuf_next(msdu);
}

/*--- txrx stats macros ---*/

/* unconditional defs */
#define TXRX_STATS_INCR(pdev, field) TXRX_STATS_ADD(pdev, field, 1)

/* default conditional defs (may be undefed below) */

#define TXRX_STATS_INIT(_pdev) \
	qdf_mem_set(&((_pdev)->stats), sizeof((_pdev)->stats), 0x0)
#define TXRX_STATS_ADD(_pdev, _field, _delta) {		\
		_pdev->stats._field += _delta; }
#define TXRX_STATS_MSDU_INCR(pdev, field, netbuf) \
	do { \
		TXRX_STATS_INCR((pdev), pub.field.pkts); \
		TXRX_STATS_ADD((pdev), pub.field.bytes, qdf_nbuf_len(netbuf)); \
	} while (0)

/* conditional defs based on verbosity level */


#define TXRX_STATS_MSDU_LIST_INCR(pdev, field, netbuf_list) \
	do { \
		qdf_nbuf_t tmp_list = netbuf_list; \
		while (tmp_list) { \
			TXRX_STATS_MSDU_INCR(pdev, field, tmp_list); \
			tmp_list = qdf_nbuf_next(tmp_list); \
		} \
	} while (0)

#define TXRX_STATS_MSDU_INCR_TX_STATUS(status, pdev, netbuf) do {	\
		if (status == htt_tx_status_ok)				\
			TXRX_STATS_MSDU_INCR(pdev, tx.delivered, netbuf); \
		else if (status == htt_tx_status_discard)		\
			TXRX_STATS_MSDU_INCR(pdev, tx.dropped.target_discard, \
					     netbuf);			\
		else if (status == htt_tx_status_no_ack)		\
			TXRX_STATS_MSDU_INCR(pdev, tx.dropped.no_ack, netbuf); \
		else if (status == htt_tx_status_download_fail)		\
			TXRX_STATS_MSDU_INCR(pdev, tx.dropped.download_fail, \
					     netbuf);			\
		else							\
			/* NO-OP */;					\
	} while (0)

#define TXRX_STATS_UPDATE_TX_COMP_HISTOGRAM(_pdev, _p_cntrs)                   \
	do {                                                                   \
		if (_p_cntrs == 1) {                                           \
			TXRX_STATS_ADD(_pdev, pub.tx.comp_histogram.pkts_1, 1);\
		} else if (_p_cntrs > 2 && _p_cntrs <= 10) {                   \
			TXRX_STATS_ADD(_pdev,				       \
				 pub.tx.comp_histogram.pkts_2_10, 1);          \
		} else if (_p_cntrs > 10 && _p_cntrs <= 20) {                  \
			TXRX_STATS_ADD(_pdev,				       \
				 pub.tx.comp_histogram.pkts_11_20, 1);         \
		} else if (_p_cntrs > 20 && _p_cntrs <= 30) {                  \
			TXRX_STATS_ADD(_pdev,				       \
				 pub.tx.comp_histogram.pkts_21_30, 1);         \
		} else if (_p_cntrs > 30 && _p_cntrs <= 40) {                  \
			TXRX_STATS_ADD(_pdev,				       \
				 pub.tx.comp_histogram.pkts_31_40, 1);         \
		} else if (_p_cntrs > 40 && _p_cntrs <= 50) {                  \
			TXRX_STATS_ADD(_pdev,				       \
				 pub.tx.comp_histogram.pkts_41_50, 1);         \
		} else if (_p_cntrs > 50 && _p_cntrs <= 60) {                  \
			TXRX_STATS_ADD(_pdev,				       \
				 pub.tx.comp_histogram.pkts_51_60, 1);         \
		} else {                                                       \
			TXRX_STATS_ADD(_pdev,				       \
				 pub.tx.comp_histogram.pkts_61_plus, 1);       \
		}                                                              \
	} while (0)

#define TXRX_STATS_UPDATE_TX_STATS(_pdev, _status, _p_cntrs, _b_cntrs)         \
	do {                                                                   \
		switch (status) {                                              \
		case htt_tx_status_ok:                                         \
			TXRX_STATS_ADD(_pdev,				       \
				 pub.tx.delivered.pkts, _p_cntrs);             \
			TXRX_STATS_ADD(_pdev,				       \
				 pub.tx.delivered.bytes, _b_cntrs);            \
			break;                                                 \
		case htt_tx_status_discard:                                    \
			TXRX_STATS_ADD(_pdev,				       \
				 pub.tx.dropped.target_discard.pkts, _p_cntrs);\
			TXRX_STATS_ADD(_pdev,				       \
				pub.tx.dropped.target_discard.bytes, _b_cntrs);\
			break;                                                 \
		case htt_tx_status_no_ack:                                     \
			TXRX_STATS_ADD(_pdev, pub.tx.dropped.no_ack.pkts,      \
				 _p_cntrs);				       \
			TXRX_STATS_ADD(_pdev, pub.tx.dropped.no_ack.bytes,     \
				 _b_cntrs);				       \
			break;                                                 \
		case htt_tx_status_download_fail:                              \
			TXRX_STATS_ADD(_pdev,				       \
				 pub.tx.dropped.download_fail.pkts, _p_cntrs); \
			TXRX_STATS_ADD(_pdev,				       \
				 pub.tx.dropped.download_fail.bytes, _b_cntrs);\
			break;                                                 \
		default:                                                       \
			TXRX_STATS_ADD(_pdev,				       \
				 pub.tx.dropped.others.pkts, _p_cntrs);        \
			TXRX_STATS_ADD(_pdev,				       \
				 pub.tx.dropped.others.bytes, _b_cntrs);       \
			break;                                                 \
		}                                                              \
		TXRX_STATS_UPDATE_TX_COMP_HISTOGRAM(_pdev, _p_cntrs);          \
	} while (0)


/*--- txrx sequence number trace macros ---*/

#define TXRX_SEQ_NUM_ERR(_status) (0xffff - _status)

#if defined(ENABLE_RX_REORDER_TRACE)

A_STATUS ol_rx_reorder_trace_attach(ol_txrx_pdev_handle pdev);
void ol_rx_reorder_trace_detach(ol_txrx_pdev_handle pdev);
void ol_rx_reorder_trace_add(ol_txrx_pdev_handle pdev,
			     uint8_t tid,
			     uint16_t reorder_idx,
			     uint16_t seq_num, int num_mpdus);

#define OL_RX_REORDER_TRACE_ATTACH ol_rx_reorder_trace_attach
#define OL_RX_REORDER_TRACE_DETACH ol_rx_reorder_trace_detach
#define OL_RX_REORDER_TRACE_ADD    ol_rx_reorder_trace_add

#else

#define OL_RX_REORDER_TRACE_ATTACH(_pdev) A_OK
#define OL_RX_REORDER_TRACE_DETACH(_pdev)
#define OL_RX_REORDER_TRACE_ADD(pdev, tid, reorder_idx, seq_num, num_mpdus)

#endif /* ENABLE_RX_REORDER_TRACE */

/*--- txrx packet number trace macros ---*/

#if defined(ENABLE_RX_PN_TRACE)

A_STATUS ol_rx_pn_trace_attach(ol_txrx_pdev_handle pdev);
void ol_rx_pn_trace_detach(ol_txrx_pdev_handle pdev);
void ol_rx_pn_trace_add(struct ol_txrx_pdev_t *pdev,
			struct ol_txrx_peer_t *peer,
			uint16_t tid, void *rx_desc);

#define OL_RX_PN_TRACE_ATTACH ol_rx_pn_trace_attach
#define OL_RX_PN_TRACE_DETACH ol_rx_pn_trace_detach
#define OL_RX_PN_TRACE_ADD    ol_rx_pn_trace_add

#else

#define OL_RX_PN_TRACE_ATTACH(_pdev) A_OK
#define OL_RX_PN_TRACE_DETACH(_pdev)
#define OL_RX_PN_TRACE_ADD(pdev, peer, tid, rx_desc)

#endif /* ENABLE_RX_PN_TRACE */

static inline int ol_txrx_ieee80211_hdrsize(const void *data)
{
	const struct ieee80211_frame *wh = (const struct ieee80211_frame *)data;
	int size = sizeof(struct ieee80211_frame);

	/* NB: we don't handle control frames */
	TXRX_ASSERT1((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) !=
		     IEEE80211_FC0_TYPE_CTL);
	if ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) ==
	    IEEE80211_FC1_DIR_DSTODS)
		size += IEEE80211_ADDR_LEN;
	if (IEEE80211_QOS_HAS_SEQ(wh)) {
		size += sizeof(uint16_t);
		/* Qos frame with Order bit set indicates an HTC frame */
		if (wh->i_fc[1] & IEEE80211_FC1_ORDER)
			size += sizeof(struct ieee80211_htc);
	}
	return size;
}

/*--- frame display utility ---*/

enum ol_txrx_frm_dump_options {
	ol_txrx_frm_dump_contents = 0x1,
	ol_txrx_frm_dump_tcp_seq = 0x2,
};

#ifdef TXRX_DEBUG_DATA
static inline void
ol_txrx_frms_dump(const char *name,
		  struct ol_txrx_pdev_t *pdev,
		  qdf_nbuf_t frm,
		  enum ol_txrx_frm_dump_options display_options, int max_len)
{
#define TXRX_FRM_DUMP_MAX_LEN 128
	uint8_t local_buf[TXRX_FRM_DUMP_MAX_LEN] = { 0 };
	uint8_t *p;

	if (name) {
		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_INFO, "%s\n",
			  name);
	}
	while (frm) {
		p = qdf_nbuf_data(frm);
		if (display_options & ol_txrx_frm_dump_tcp_seq) {
			int tcp_offset;
			int l2_hdr_size;
			uint16_t ethtype;
			uint8_t ip_prot;

			if (pdev->frame_format == wlan_frm_fmt_802_3) {
				struct ethernet_hdr_t *enet_hdr =
					(struct ethernet_hdr_t *)p;
				l2_hdr_size = ETHERNET_HDR_LEN;

				/*
				 * LLC/SNAP present?
				 */
				ethtype = (enet_hdr->ethertype[0] << 8) |
					enet_hdr->ethertype[1];
				if (!IS_ETHERTYPE(ethertype)) {
					/* 802.3 format */
					struct llc_snap_hdr_t *llc_hdr;

					llc_hdr = (struct llc_snap_hdr_t *)
						(p + l2_hdr_size);
					l2_hdr_size += LLC_SNAP_HDR_LEN;
					ethtype = (llc_hdr->ethertype[0] << 8) |
						llc_hdr->ethertype[1];
				}
			} else {
				struct llc_snap_hdr_t *llc_hdr;

				/* (generic?) 802.11 */
				l2_hdr_size = sizeof(struct ieee80211_frame);
				llc_hdr = (struct llc_snap_hdr_t *)
					(p + l2_hdr_size);
				l2_hdr_size += LLC_SNAP_HDR_LEN;
				ethtype = (llc_hdr->ethertype[0] << 8) |
					llc_hdr->ethertype[1];
			}
			if (ethtype == ETHERTYPE_IPV4) {
				struct ipv4_hdr_t *ipv4_hdr;

				ipv4_hdr =
					(struct ipv4_hdr_t *)(p + l2_hdr_size);
				ip_prot = ipv4_hdr->protocol;
				tcp_offset = l2_hdr_size + IPV4_HDR_LEN;
			} else if (ethtype == ETHERTYPE_IPV6) {
				struct ipv6_hdr_t *ipv6_hdr;

				ipv6_hdr =
					(struct ipv6_hdr_t *)(p + l2_hdr_size);
				ip_prot = ipv6_hdr->next_hdr;
				tcp_offset = l2_hdr_size + IPV6_HDR_LEN;
			} else {
				QDF_TRACE(QDF_MODULE_ID_TXRX,
					  QDF_TRACE_LEVEL_INFO,
					  "frame %pK non-IP ethertype (%x)\n",
					  frm, ethtype);
				goto NOT_IP_TCP;
			}
			if (ip_prot == IP_PROTOCOL_TCP) {
#if NEVERDEFINED
				struct tcp_hdr_t *tcp_hdr;
				uint32_t tcp_seq_num;

				tcp_hdr = (struct tcp_hdr_t *)(p + tcp_offset);
				tcp_seq_num =
					(tcp_hdr->seq_num[0] << 24) |
					(tcp_hdr->seq_num[1] << 16) |
					(tcp_hdr->seq_num[1] << 8) |
					(tcp_hdr->seq_num[1] << 0);
				QDF_TRACE(QDF_MODULE_ID_TXRX,
					  QDF_TRACE_LEVEL_INFO,
					  "frame %pK: TCP seq num = %d\n", frm,
					  tcp_seq_num);
#else
				QDF_TRACE(QDF_MODULE_ID_TXRX,
					  QDF_TRACE_LEVEL_INFO,
					  "frame %pK: TCP seq num = %d\n", frm,
					  ((*(p + tcp_offset + 4)) << 24) |
					  ((*(p + tcp_offset + 5)) << 16) |
					  ((*(p + tcp_offset + 6)) << 8) |
					  (*(p + tcp_offset + 7)));
#endif
			} else {
				QDF_TRACE(QDF_MODULE_ID_TXRX,
					  QDF_TRACE_LEVEL_INFO,
					  "frame %pK non-TCP IP protocol (%x)\n",
					  frm, ip_prot);
			}
		}
NOT_IP_TCP:
		if (display_options & ol_txrx_frm_dump_contents) {
			int i, frag_num, len_lim;

			len_lim = max_len;
			if (len_lim > qdf_nbuf_len(frm))
				len_lim = qdf_nbuf_len(frm);
			if (len_lim > TXRX_FRM_DUMP_MAX_LEN)
				len_lim = TXRX_FRM_DUMP_MAX_LEN;

			/*
			 * Gather frame contents from netbuf fragments
			 * into a contiguous buffer.
			 */
			frag_num = 0;
			i = 0;
			while (i < len_lim) {
				int frag_bytes;

				frag_bytes =
					qdf_nbuf_get_frag_len(frm, frag_num);
				if (frag_bytes > len_lim - i)
					frag_bytes = len_lim - i;
				if (frag_bytes > 0) {
					p = qdf_nbuf_get_frag_vaddr(frm,
								    frag_num);
					qdf_mem_copy(&local_buf[i], p,
						     frag_bytes);
				}
				frag_num++;
				i += frag_bytes;
			}

			QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_INFO,
				  "frame %pK data (%pK), hex dump of bytes 0-%d of %d:\n",
				  frm, p, len_lim - 1, (int)qdf_nbuf_len(frm));
			p = local_buf;
			while (len_lim > 16) {
				QDF_TRACE(QDF_MODULE_ID_TXRX,
					  QDF_TRACE_LEVEL_INFO,
					  "  "        /* indent */
					  "%02x %02x %02x %02x %02x %02x %02x %02x "
					  "%02x %02x %02x %02x %02x %02x %02x %02x\n",
					  *(p + 0), *(p + 1), *(p + 2),
					  *(p + 3), *(p + 4), *(p + 5),
					  *(p + 6), *(p + 7), *(p + 8),
					  *(p + 9), *(p + 10), *(p + 11),
					  *(p + 12), *(p + 13), *(p + 14),
					  *(p + 15));
				p += 16;
				len_lim -= 16;
			}
			QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_INFO,
				  "  " /* indent */);
			while (len_lim > 0) {
				QDF_TRACE(QDF_MODULE_ID_TXRX,
					  QDF_TRACE_LEVEL_INFO, "%02x ", *p);
				p++;
				len_lim--;
			}
			QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_INFO,
				  "\n");
		}
		frm = qdf_nbuf_next(frm);
	}
}
#else
#define ol_txrx_frms_dump(name, pdev, frms, display_options, max_len)
#endif /* TXRX_DEBUG_DATA */

#ifdef SUPPORT_HOST_STATISTICS

#define OL_RX_ERR_STATISTICS(pdev, vdev, err_type, sec_type, is_mcast) \
	ol_rx_err_statistics(pdev->ctrl_pdev, vdev->vdev_id, err_type,	   \
			     sec_type, is_mcast)

#define OL_RX_ERR_STATISTICS_1(pdev, vdev, peer, rx_desc, err_type)	\
	do {								\
		int is_mcast;						\
		enum htt_sec_type sec_type;				\
		is_mcast = htt_rx_msdu_is_wlan_mcast(			\
			pdev->htt_pdev, rx_desc);			\
		sec_type = peer->security[is_mcast			\
					  ? txrx_sec_mcast		\
					  : txrx_sec_ucast].sec_type;	\
		OL_RX_ERR_STATISTICS(pdev, vdev, err_type,		\
				     pdev->sec_types[sec_type],		\
				     is_mcast);				\
	} while (false)

#ifdef CONFIG_HL_SUPPORT

	/**
	 * ol_rx_err_inv_get_wifi_header() - retrieve wifi header
	 * @pdev: handle to the physical device
	 * @rx_msdu: msdu of which header needs to be retrieved
	 *
	 * Return: wifi header
	 */
	static inline
	struct ieee80211_frame *ol_rx_err_inv_get_wifi_header(
		struct ol_pdev_t *pdev, qdf_nbuf_t rx_msdu)
	{
		return NULL;
	}
#else

	static inline
	struct ieee80211_frame *ol_rx_err_inv_get_wifi_header(
		struct ol_pdev_t *pdev, qdf_nbuf_t rx_msdu)
	{
		struct ieee80211_frame *wh = NULL;

		if (ol_cfg_frame_type(pdev) == wlan_frm_fmt_native_wifi)
			/* For windows, it is always native wifi header .*/
			wh = (struct ieee80211_frame *)qdf_nbuf_data(rx_msdu);

		return wh;
	}
#endif

#define OL_RX_ERR_INV_PEER_STATISTICS(pdev, rx_msdu)			\
	do {								\
		struct ieee80211_frame *wh = NULL;			\
		/*FIX THIS : */						\
		/* Here htt_rx_mpdu_wifi_hdr_retrieve should be used. */ \
		/*But at present it seems it does not work.*/		\
		/*wh = (struct ieee80211_frame *) */			\
		/*htt_rx_mpdu_wifi_hdr_retrieve(pdev->htt_pdev, rx_desc);*/ \
		/* this only apply to LL device.*/			\
		wh = ol_rx_err_inv_get_wifi_header(pdev->ctrl_pdev, rx_msdu); \
		ol_rx_err_inv_peer_statistics(pdev->ctrl_pdev,		\
					      wh, OL_RX_ERR_UNKNOWN_PEER); \
	} while (false)

#define OL_RX_ERR_STATISTICS_2(pdev, vdev, peer, rx_desc, rx_msdu, rx_status) \
	do {								\
		enum ol_rx_err_type err_type = OL_RX_ERR_NONE;		\
		if (rx_status == htt_rx_status_decrypt_err)		\
			err_type = OL_RX_ERR_DECRYPT;			\
		else if (rx_status == htt_rx_status_tkip_mic_err)	\
			err_type = OL_RX_ERR_TKIP_MIC;			\
		else if (rx_status == htt_rx_status_mpdu_length_err)	\
			err_type = OL_RX_ERR_MPDU_LENGTH;		\
		else if (rx_status == htt_rx_status_mpdu_encrypt_required_err) \
			err_type = OL_RX_ERR_ENCRYPT_REQUIRED;		\
		else if (rx_status == htt_rx_status_err_dup)		\
			err_type = OL_RX_ERR_DUP;			\
		else if (rx_status == htt_rx_status_err_fcs)		\
			err_type = OL_RX_ERR_FCS;			\
		else							\
			err_type = OL_RX_ERR_UNKNOWN;			\
									\
		if (vdev != NULL && peer != NULL) {			\
			OL_RX_ERR_STATISTICS_1(pdev, vdev, peer,	\
					       rx_mpdu_desc, err_type); \
		} else {						\
			OL_RX_ERR_INV_PEER_STATISTICS(pdev, rx_msdu);	\
		}							\
	} while (false)
#else
#define OL_RX_ERR_STATISTICS(pdev, vdev, err_type, sec_type, is_mcast)
#define OL_RX_ERR_STATISTICS_1(pdev, vdev, peer, rx_desc, err_type)
#define OL_RX_ERR_STATISTICS_2(pdev, vdev, peer, rx_desc, rx_msdu, rx_status)
#endif /* SUPPORT_HOST_STATISTICS */

#ifdef QCA_ENABLE_OL_TXRX_PEER_STATS
#define OL_TXRX_PEER_STATS_UPDATE_BASE(peer, tx_or_rx, type, msdu) \
	do { \
		qdf_spin_lock_bh(&peer->vdev->pdev->peer_stat_mutex); \
		peer->stats.tx_or_rx.frms.type += 1; \
		peer->stats.tx_or_rx.bytes.type += qdf_nbuf_len(msdu); \
		qdf_spin_unlock_bh(&peer->vdev->pdev->peer_stat_mutex);	\
	} while (0)
#define OL_TXRX_PEER_STATS_UPDATE(peer, tx_or_rx, msdu)	\
	do { \
		struct ol_txrx_vdev_t *vdev = peer->vdev; \
		struct ol_txrx_pdev_t *pdev = vdev->pdev; \
		uint8_t *dest_addr; \
		if (pdev->frame_format == wlan_frm_fmt_802_3) {	\
			dest_addr = qdf_nbuf_data(msdu); \
		} else { /* 802.11 format */ \
			struct ieee80211_frame *frm; \
			frm = (struct ieee80211_frame *) qdf_nbuf_data(msdu); \
			if (vdev->opmode == wlan_op_mode_ap) { \
				dest_addr = (uint8_t *) &(frm->i_addr1[0]); \
			} else { \
				dest_addr = (uint8_t *) &(frm->i_addr3[0]); \
			} \
		} \
		if (qdf_unlikely(IEEE80211_IS_BROADCAST(dest_addr))) { \
			OL_TXRX_PEER_STATS_UPDATE_BASE(peer, tx_or_rx,	\
						       bcast, msdu);	\
		} else if (qdf_unlikely(IEEE80211_IS_MULTICAST(dest_addr))) { \
			OL_TXRX_PEER_STATS_UPDATE_BASE(peer, tx_or_rx,	\
						       mcast, msdu);	\
		} else { \
			OL_TXRX_PEER_STATS_UPDATE_BASE(peer, tx_or_rx,	\
						       ucast, msdu);	\
		} \
	} while (0)
#define OL_TX_PEER_STATS_UPDATE(peer, msdu) \
	OL_TXRX_PEER_STATS_UPDATE(peer, tx, msdu)
#define OL_RX_PEER_STATS_UPDATE(peer, msdu) \
	OL_TXRX_PEER_STATS_UPDATE(peer, rx, msdu)
#define OL_TXRX_PEER_STATS_MUTEX_INIT(pdev) \
	qdf_spinlock_create(&pdev->peer_stat_mutex)
#define OL_TXRX_PEER_STATS_MUTEX_DESTROY(pdev) \
	qdf_spinlock_destroy(&pdev->peer_stat_mutex)
#else
#define OL_TX_PEER_STATS_UPDATE(peer, msdu)     /* no-op */
#define OL_RX_PEER_STATS_UPDATE(peer, msdu)     /* no-op */
#define OL_TXRX_PEER_STATS_MUTEX_INIT(peer)     /* no-op */
#define OL_TXRX_PEER_STATS_MUTEX_DESTROY(peer)  /* no-op */
#endif

#ifndef DEBUG_HTT_CREDIT
#define DEBUG_HTT_CREDIT 0
#endif

#if defined(FEATURE_TSO_DEBUG)
#define TXRX_STATS_TSO_HISTOGRAM(_pdev, _p_cntrs) \
	do { \
		if (_p_cntrs == 1) { \
			TXRX_STATS_ADD(_pdev, pub.tx.tso.tso_hist.pkts_1, 1); \
		} else if (_p_cntrs >= 2 && _p_cntrs <= 5) {                  \
			TXRX_STATS_ADD(_pdev,                                 \
				pub.tx.tso.tso_hist.pkts_2_5, 1);             \
		} else if (_p_cntrs > 5 && _p_cntrs <= 10) {                  \
			TXRX_STATS_ADD(_pdev,                                 \
				pub.tx.tso.tso_hist.pkts_6_10, 1);            \
		} else if (_p_cntrs > 10 && _p_cntrs <= 15) {                 \
			TXRX_STATS_ADD(_pdev,                                 \
				pub.tx.tso.tso_hist.pkts_11_15, 1);           \
		} else if (_p_cntrs > 15 && _p_cntrs <= 20) {                 \
			TXRX_STATS_ADD(_pdev,                                 \
				pub.tx.tso.tso_hist.pkts_16_20, 1);           \
		} else if (_p_cntrs > 20) {                                   \
			TXRX_STATS_ADD(_pdev,                                 \
				pub.tx.tso.tso_hist.pkts_20_plus, 1);         \
		}                                                             \
	} while (0)

#define TXRX_STATS_TSO_RESET_MSDU(pdev, idx) \
	do { \
		pdev->stats.pub.tx.tso.tso_info.tso_msdu_info[idx].num_seg     \
			= 0;						       \
		pdev->stats.pub.tx.tso.tso_info.tso_msdu_info[idx].tso_seg_idx \
			= 0;						       \
	} while (0)

#define TXRX_STATS_TSO_MSDU_IDX(pdev) \
	pdev->stats.pub.tx.tso.tso_info.tso_msdu_idx

#define TXRX_STATS_TSO_MSDU(pdev, idx) \
	pdev->stats.pub.tx.tso.tso_info.tso_msdu_info[idx]

#define TXRX_STATS_TSO_MSDU_NUM_SEG(pdev, idx) \
	pdev->stats.pub.tx.tso.tso_info.tso_msdu_info[idx].num_seg

#define TXRX_STATS_TSO_MSDU_GSO_SIZE(pdev, idx) \
	pdev->stats.pub.tx.tso.tso_info.tso_msdu_info[idx].gso_size

#define TXRX_STATS_TSO_MSDU_TOTAL_LEN(pdev, idx) \
	pdev->stats.pub.tx.tso.tso_info.tso_msdu_info[idx].total_len

#define TXRX_STATS_TSO_MSDU_NR_FRAGS(pdev, idx) \
	pdev->stats.pub.tx.tso.tso_info.tso_msdu_info[idx].nr_frags

#define TXRX_STATS_TSO_CURR_MSDU(pdev, idx) \
	TXRX_STATS_TSO_MSDU(pdev, idx)

#define TXRX_STATS_TSO_SEG_IDX(pdev, idx) \
	TXRX_STATS_TSO_CURR_MSDU(pdev, idx).tso_seg_idx

#define TXRX_STATS_TSO_INC_SEG(pdev, idx) \
	do { \
		TXRX_STATS_TSO_CURR_MSDU(pdev, idx).num_seg++; \
		TXRX_STATS_TSO_CURR_MSDU(pdev, idx).num_seg &= \
					 NUM_MAX_TSO_SEGS_MASK; \
	} while (0)

#define TXRX_STATS_TSO_RST_SEG(pdev, idx) \
	TXRX_STATS_TSO_CURR_MSDU(pdev, idx).num_seg = 0

#define TXRX_STATS_TSO_RST_SEG_IDX(pdev, idx) \
	TXRX_STATS_TSO_CURR_MSDU(pdev, idx).tso_seg_idx = 0

#define TXRX_STATS_TSO_SEG(pdev, msdu_idx, seg_idx) \
	TXRX_STATS_TSO_MSDU(pdev, msdu_idx).tso_segs[seg_idx]

#define TXRX_STATS_TSO_CURR_SEG(pdev, idx) \
	TXRX_STATS_TSO_SEG(pdev, idx, \
	 TXRX_STATS_TSO_SEG_IDX(pdev, idx)) \

#define TXRX_STATS_TSO_INC_SEG_IDX(pdev, idx) \
	do { \
		TXRX_STATS_TSO_SEG_IDX(pdev, idx)++; \
		TXRX_STATS_TSO_SEG_IDX(pdev, idx) &= NUM_MAX_TSO_SEGS_MASK; \
	} while (0)

#define TXRX_STATS_TSO_SEG_UPDATE(pdev, idx, tso_seg) \
	(TXRX_STATS_TSO_CURR_SEG(pdev, idx) = tso_seg)

#define TXRX_STATS_TSO_GSO_SIZE_UPDATE(pdev, idx, size) \
	(TXRX_STATS_TSO_CURR_MSDU(pdev, idx).gso_size = size)

#define TXRX_STATS_TSO_TOTAL_LEN_UPDATE(pdev, idx, len) \
	(TXRX_STATS_TSO_CURR_MSDU(pdev, idx).total_len = len)

#define TXRX_STATS_TSO_NUM_FRAGS_UPDATE(pdev, idx, frags) \
	(TXRX_STATS_TSO_CURR_MSDU(pdev, idx).nr_frags = frags)

#else
#define TXRX_STATS_TSO_HISTOGRAM(_pdev, _p_cntrs)  /* no-op */
#define TXRX_STATS_TSO_RESET_MSDU(pdev, idx) /* no-op */
#define TXRX_STATS_TSO_MSDU_IDX(pdev) /* no-op */
#define TXRX_STATS_TSO_MSDU(pdev, idx) /* no-op */
#define TXRX_STATS_TSO_MSDU_NUM_SEG(pdev, idx) /* no-op */
#define TXRX_STATS_TSO_CURR_MSDU(pdev, idx) /* no-op */
#define TXRX_STATS_TSO_INC_MSDU_IDX(pdev) /* no-op */
#define TXRX_STATS_TSO_SEG_IDX(pdev, idx) /* no-op */
#define TXRX_STATS_TSO_SEG(pdev, msdu_idx, seg_idx) /* no-op */
#define TXRX_STATS_TSO_CURR_SEG(pdev, idx) /* no-op */
#define TXRX_STATS_TSO_INC_SEG_IDX(pdev, idx) /* no-op */
#define TXRX_STATS_TSO_SEG_UPDATE(pdev, idx, tso_seg) /* no-op */
#define TXRX_STATS_TSO_INC_SEG(pdev, idx) /* no-op */
#define TXRX_STATS_TSO_RST_SEG(pdev, idx) /* no-op */
#define TXRX_STATS_TSO_RST_SEG_IDX(pdev, idx) /* no-op */
#define TXRX_STATS_TSO_GSO_SIZE_UPDATE(pdev, idx, size) /* no-op */
#define TXRX_STATS_TSO_TOTAL_LEN_UPDATE(pdev, idx, len) /* no-op */
#define TXRX_STATS_TSO_NUM_FRAGS_UPDATE(pdev, idx, frags) /* no-op */
#define TXRX_STATS_TSO_MSDU_GSO_SIZE(pdev, idx) /* no-op */
#define TXRX_STATS_TSO_MSDU_TOTAL_LEN(pdev, idx) /* no-op */
#define TXRX_STATS_TSO_MSDU_NR_FRAGS(pdev, idx) /* no-op */

#endif /* FEATURE_TSO_DEBUG */

#ifdef FEATURE_HL_GROUP_CREDIT_FLOW_CONTROL

void
ol_txrx_update_group_credit(
	struct ol_tx_queue_group_t *group,
	int32_t credit,
	u_int8_t absolute);
#endif

#endif /* _OL_TXRX_INTERNAL__H_ */