android_kernel_samsung_sm8650-modules/dp/wifi3.0/dp_ipa.c

/*
 * Copyright (c) 2017-2019, 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.
 */

#ifdef IPA_OFFLOAD

#include <qdf_ipa_wdi3.h>
#include <qdf_types.h>
#include <qdf_lock.h>
#include <hal_hw_headers.h>
#include <hal_api.h>
#include <hif.h>
#include <htt.h>
#include <wdi_event.h>
#include <queue.h>
#include "dp_types.h"
#include "dp_htt.h"
#include "dp_tx.h"
#include "dp_ipa.h"

/* Hard coded config parameters until dp_ops_cfg.cfg_attach implemented */
#define CFG_IPA_UC_TX_BUF_SIZE_DEFAULT            (2048)

/**
 * dp_tx_ipa_uc_detach - Free autonomy TX resources
 * @soc: data path instance
 * @pdev: core txrx pdev context
 *
 * Free allocated TX buffers with WBM SRNG
 *
 * Return: none
 */
static void dp_tx_ipa_uc_detach(struct dp_soc *soc, struct dp_pdev *pdev)
{
	int idx;
	qdf_nbuf_t nbuf;

	for (idx = 0; idx < soc->ipa_uc_tx_rsc.alloc_tx_buf_cnt; idx++) {
		nbuf = (qdf_nbuf_t)
			soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned[idx];
		if (!nbuf)
			continue;
		qdf_nbuf_unmap_single(soc->osdev, nbuf, QDF_DMA_BIDIRECTIONAL);
		qdf_nbuf_free(nbuf);
		soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned[idx] =
						(void *)NULL;
	}

	qdf_mem_free(soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned);
	soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned = NULL;
}

/**
 * dp_rx_ipa_uc_detach - free autonomy RX resources
 * @soc: data path instance
 * @pdev: core txrx pdev context
 *
 * This function will detach DP RX into main device context
 * will free DP Rx resources.
 *
 * Return: none
 */
static void dp_rx_ipa_uc_detach(struct dp_soc *soc, struct dp_pdev *pdev)
{
}

int dp_ipa_uc_detach(struct dp_soc *soc, struct dp_pdev *pdev)
{
	/* TX resource detach */
	dp_tx_ipa_uc_detach(soc, pdev);

	/* RX resource detach */
	dp_rx_ipa_uc_detach(soc, pdev);

	return QDF_STATUS_SUCCESS;	/* success */
}

/**
 * dp_tx_ipa_uc_attach - Allocate autonomy TX resources
 * @soc: data path instance
 * @pdev: Physical device handle
 *
 * Allocate TX buffer from non-cacheable memory
 * Attache allocated TX buffers with WBM SRNG
 *
 * Return: int
 */
static int dp_tx_ipa_uc_attach(struct dp_soc *soc, struct dp_pdev *pdev)
{
	uint32_t tx_buffer_count;
	uint32_t ring_base_align = 8;
	qdf_dma_addr_t buffer_paddr;
	struct hal_srng *wbm_srng =
			soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
	struct hal_srng_params srng_params;
	uint32_t paddr_lo;
	uint32_t paddr_hi;
	void *ring_entry;
	int num_entries;
	qdf_nbuf_t nbuf;
	int retval = QDF_STATUS_SUCCESS;
	/*
	 * Uncomment when dp_ops_cfg.cfg_attach is implemented
	 * unsigned int uc_tx_buf_sz =
	 *		dp_cfg_ipa_uc_tx_buf_size(pdev->osif_pdev);
	 */
	unsigned int uc_tx_buf_sz = CFG_IPA_UC_TX_BUF_SIZE_DEFAULT;
	unsigned int alloc_size = uc_tx_buf_sz + ring_base_align - 1;

	hal_get_srng_params(soc->hal_soc, (void *)wbm_srng, &srng_params);
	num_entries = srng_params.num_entries;

	QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO,
		  "%s: requested %d buffers to be posted to wbm ring",
		   __func__, num_entries);

	soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned =
		qdf_mem_malloc(num_entries *
		sizeof(*soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned));
	if (!soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned) {
		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
			  "%s: IPA WBM Ring Tx buf pool vaddr alloc fail",
			  __func__);
		return -ENOMEM;
	}

	hal_srng_access_start(soc->hal_soc, (void *)wbm_srng);

	/*
	 * Allocate Tx buffers as many as possible
	 * Populate Tx buffers into WBM2IPA ring
	 * This initial buffer population will simulate H/W as source ring,
	 * and update HP
	 */
	for (tx_buffer_count = 0;
		tx_buffer_count < num_entries - 1; tx_buffer_count++) {
		nbuf = qdf_nbuf_alloc(soc->osdev, alloc_size, 0, 256, FALSE);
		if (!nbuf)
			break;

		ring_entry = hal_srng_dst_get_next_hp(soc->hal_soc,
				(void *)wbm_srng);
		if (!ring_entry) {
			QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO,
				  "%s: Failed to get WBM ring entry",
				  __func__);
			qdf_nbuf_free(nbuf);
			break;
		}

		qdf_nbuf_map_single(soc->osdev, nbuf,
				    QDF_DMA_BIDIRECTIONAL);
		buffer_paddr = qdf_nbuf_get_frag_paddr(nbuf, 0);

		paddr_lo = ((uint64_t)buffer_paddr & 0x00000000ffffffff);
		paddr_hi = ((uint64_t)buffer_paddr & 0x0000001f00000000) >> 32;
		HAL_RXDMA_PADDR_LO_SET(ring_entry, paddr_lo);
		HAL_RXDMA_PADDR_HI_SET(ring_entry, paddr_hi);
		HAL_RXDMA_MANAGER_SET(ring_entry, (IPA_TCL_DATA_RING_IDX +
				      HAL_WBM_SW0_BM_ID));

		soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned[tx_buffer_count]
			= (void *)nbuf;
	}

	hal_srng_access_end(soc->hal_soc, wbm_srng);

	soc->ipa_uc_tx_rsc.alloc_tx_buf_cnt = tx_buffer_count;

	if (tx_buffer_count) {
		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO,
			  "%s: IPA WDI TX buffer: %d allocated",
			  __func__, tx_buffer_count);
	} else {
		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
			  "%s: No IPA WDI TX buffer allocated",
			  __func__);
		qdf_mem_free(soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned);
		soc->ipa_uc_tx_rsc.tx_buf_pool_vaddr_unaligned = NULL;
		retval = -ENOMEM;
	}

	return retval;
}

/**
 * dp_rx_ipa_uc_attach - Allocate autonomy RX resources
 * @soc: data path instance
 * @pdev: core txrx pdev context
 *
 * This function will attach a DP RX instance into the main
 * device (SOC) context.
 *
 * Return: QDF_STATUS_SUCCESS: success
 *         QDF_STATUS_E_RESOURCES: Error return
 */
static int dp_rx_ipa_uc_attach(struct dp_soc *soc, struct dp_pdev *pdev)
{
	return QDF_STATUS_SUCCESS;
}

int dp_ipa_uc_attach(struct dp_soc *soc, struct dp_pdev *pdev)
{
	int error;

	if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
		return QDF_STATUS_SUCCESS;

	/* TX resource attach */
	error = dp_tx_ipa_uc_attach(soc, pdev);
	if (error) {
		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
			  "%s: DP IPA UC TX attach fail code %d",
			  __func__, error);
		return error;
	}

	/* RX resource attach */
	error = dp_rx_ipa_uc_attach(soc, pdev);
	if (error) {
		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
			  "%s: DP IPA UC RX attach fail code %d",
			  __func__, error);
		dp_tx_ipa_uc_detach(soc, pdev);
		return error;
	}

	return QDF_STATUS_SUCCESS;	/* success */
}

/*
 * dp_ipa_ring_resource_setup() - setup IPA ring resources
 * @soc: data path SoC handle
 *
 * Return: none
 */
int dp_ipa_ring_resource_setup(struct dp_soc *soc,
		struct dp_pdev *pdev)
{
	struct hal_soc *hal_soc = (struct hal_soc *)soc->hal_soc;
	struct hal_srng *hal_srng;
	struct hal_srng_params srng_params;
	qdf_dma_addr_t hp_addr;
	unsigned long addr_offset, dev_base_paddr;

	if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
		return QDF_STATUS_SUCCESS;

	/* IPA TCL_DATA Ring - HAL_SRNG_SW2TCL3 */
	hal_srng = soc->tcl_data_ring[IPA_TCL_DATA_RING_IDX].hal_srng;
	hal_get_srng_params(hal_soc, (void *)hal_srng, &srng_params);

	soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_paddr =
		srng_params.ring_base_paddr;
	soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_vaddr =
		srng_params.ring_base_vaddr;
	soc->ipa_uc_tx_rsc.ipa_tcl_ring_size =
		(srng_params.num_entries * srng_params.entry_size) << 2;
	/*
	 * For the register backed memory addresses, use the scn->mem_pa to
	 * calculate the physical address of the shadow registers
	 */
	dev_base_paddr =
		(unsigned long)
		((struct hif_softc *)(hal_soc->hif_handle))->mem_pa;
	addr_offset = (unsigned long)(hal_srng->u.src_ring.hp_addr) -
		      (unsigned long)(hal_soc->dev_base_addr);
	soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr =
				(qdf_dma_addr_t)(addr_offset + dev_base_paddr);

	dp_info("IPA TCL_DATA Ring addr_offset=%x, dev_base_paddr=%x, hp_paddr=%x paddr=%pK vaddr=%pK size= %u(%u bytes)",
		(unsigned int)addr_offset,
		(unsigned int)dev_base_paddr,
		(unsigned int)(soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr),
		(void *)soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_paddr,
		(void *)soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_vaddr,
		srng_params.num_entries,
		soc->ipa_uc_tx_rsc.ipa_tcl_ring_size);

	/* IPA TX COMP Ring - HAL_SRNG_WBM2SW2_RELEASE */
	hal_srng = soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
	hal_get_srng_params(hal_soc, (void *)hal_srng, &srng_params);

	soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_paddr =
						srng_params.ring_base_paddr;
	soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_vaddr =
						srng_params.ring_base_vaddr;
	soc->ipa_uc_tx_rsc.ipa_wbm_ring_size =
		(srng_params.num_entries * srng_params.entry_size) << 2;
	addr_offset = (unsigned long)(hal_srng->u.dst_ring.tp_addr) -
		      (unsigned long)(hal_soc->dev_base_addr);
	soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr =
				(qdf_dma_addr_t)(addr_offset + dev_base_paddr);

	dp_info("IPA TX COMP Ring addr_offset=%x, dev_base_paddr=%x, ipa_wbm_tp_paddr=%x paddr=%pK vaddr=0%pK size= %u(%u bytes)",
		(unsigned int)addr_offset,
		(unsigned int)dev_base_paddr,
		(unsigned int)(soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr),
		(void *)soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_paddr,
		(void *)soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_vaddr,
		srng_params.num_entries,
		soc->ipa_uc_tx_rsc.ipa_wbm_ring_size);

	/* IPA REO_DEST Ring - HAL_SRNG_REO2SW4 */
	hal_srng = soc->reo_dest_ring[IPA_REO_DEST_RING_IDX].hal_srng;
	hal_get_srng_params(hal_soc, (void *)hal_srng, &srng_params);

	soc->ipa_uc_rx_rsc.ipa_reo_ring_base_paddr =
						srng_params.ring_base_paddr;
	soc->ipa_uc_rx_rsc.ipa_reo_ring_base_vaddr =
						srng_params.ring_base_vaddr;
	soc->ipa_uc_rx_rsc.ipa_reo_ring_size =
		(srng_params.num_entries * srng_params.entry_size) << 2;
	addr_offset = (unsigned long)(hal_srng->u.dst_ring.tp_addr) -
		      (unsigned long)(hal_soc->dev_base_addr);
	soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr =
				(qdf_dma_addr_t)(addr_offset + dev_base_paddr);

	dp_info("IPA REO_DEST Ring addr_offset=%x, dev_base_paddr=%x, tp_paddr=%x paddr=%pK vaddr=%pK size= %u(%u bytes)",
		(unsigned int)addr_offset,
		(unsigned int)dev_base_paddr,
		(unsigned int)(soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr),
		(void *)soc->ipa_uc_rx_rsc.ipa_reo_ring_base_paddr,
		(void *)soc->ipa_uc_rx_rsc.ipa_reo_ring_base_vaddr,
		srng_params.num_entries,
		soc->ipa_uc_rx_rsc.ipa_reo_ring_size);

	hal_srng = pdev->rx_refill_buf_ring2.hal_srng;
	hal_get_srng_params(hal_soc, (void *)hal_srng, &srng_params);
	soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_paddr =
		srng_params.ring_base_paddr;
	soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_vaddr =
		srng_params.ring_base_vaddr;
	soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_size =
		(srng_params.num_entries * srng_params.entry_size) << 2;
	hp_addr = hal_srng_get_hp_addr(hal_soc, (void *)hal_srng);
	soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr = hp_addr;

	dp_info("IPA REFILL_BUF Ring hp_paddr=%x paddr=%pK vaddr=%pK size= %u(%u bytes)",
		(unsigned int)(soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr),
		(void *)soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_paddr,
		(void *)soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_vaddr,
		srng_params.num_entries,
		soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_size);

	return 0;
}

/**
 * dp_ipa_uc_get_resource() - Client request resource information
 * @ppdev - handle to the device instance
 *
 *  IPA client will request IPA UC related resource information
 *  Resource information will be distributed to IPA module
 *  All of the required resources should be pre-allocated
 *
 * Return: QDF_STATUS
 */
QDF_STATUS dp_ipa_get_resource(struct cdp_pdev *ppdev)
{
	struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
	struct dp_soc *soc = pdev->soc;
	struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;

	if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
		return QDF_STATUS_SUCCESS;

	ipa_res->tx_ring_base_paddr =
		soc->ipa_uc_tx_rsc.ipa_tcl_ring_base_paddr;
	ipa_res->tx_ring_size =
		soc->ipa_uc_tx_rsc.ipa_tcl_ring_size;
	ipa_res->tx_num_alloc_buffer =
		(uint32_t)soc->ipa_uc_tx_rsc.alloc_tx_buf_cnt;

	ipa_res->tx_comp_ring_base_paddr =
		soc->ipa_uc_tx_rsc.ipa_wbm_ring_base_paddr;
	ipa_res->tx_comp_ring_size =
		soc->ipa_uc_tx_rsc.ipa_wbm_ring_size;

	ipa_res->rx_rdy_ring_base_paddr =
		soc->ipa_uc_rx_rsc.ipa_reo_ring_base_paddr;
	ipa_res->rx_rdy_ring_size =
		soc->ipa_uc_rx_rsc.ipa_reo_ring_size;

	ipa_res->rx_refill_ring_base_paddr =
		soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_base_paddr;
	ipa_res->rx_refill_ring_size =
		soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_ring_size;

	dp_debug("ipa_res->tx_ring_base_paddr:%pK ipa_res->tx_ring_size:%u ipa_res->tx_comp_ring_base_paddr:%pK ipa_res->tx_comp_ring_size:%u ipa_res->rx_refill_ring_base_paddr:%pK ipa_res->rx_refill_ring_size:%u",
		 (void *)ipa_res->tx_ring_base_paddr,
		 ipa_res->tx_ring_size,
		 (void *)ipa_res->tx_comp_ring_base_paddr,
		 ipa_res->tx_comp_ring_size,
		 (void *)ipa_res->rx_refill_ring_base_paddr,
		 ipa_res->rx_refill_ring_size);

	if ((0 == ipa_res->tx_comp_ring_base_paddr) ||
			(0 == ipa_res->rx_rdy_ring_base_paddr))
		return QDF_STATUS_E_FAILURE;

	return QDF_STATUS_SUCCESS;
}

/**
 * dp_ipa_set_doorbell_paddr () - Set doorbell register physical address to SRNG
 * @ppdev - handle to the device instance
 *
 * Set TX_COMP_DOORBELL register physical address to WBM Head_Ptr_MemAddr_LSB
 * Set RX_READ_DOORBELL register physical address to REO Head_Ptr_MemAddr_LSB
 *
 * Return: none
 */
QDF_STATUS dp_ipa_set_doorbell_paddr(struct cdp_pdev *ppdev)
{
	struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
	struct dp_soc *soc = pdev->soc;
	struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
	struct hal_srng *wbm_srng =
			soc->tx_comp_ring[IPA_TX_COMP_RING_IDX].hal_srng;
	struct hal_srng *reo_srng =
			soc->reo_dest_ring[IPA_REO_DEST_RING_IDX].hal_srng;

	if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
		return QDF_STATUS_SUCCESS;

	hal_srng_dst_set_hp_paddr(wbm_srng, ipa_res->tx_comp_doorbell_paddr);

	ipa_res->tx_comp_doorbell_vaddr =
				ioremap(ipa_res->tx_comp_doorbell_paddr, 4);
	dp_info("paddr %pK vaddr %pK",
		(void *)ipa_res->tx_comp_doorbell_paddr,
		(void *)ipa_res->tx_comp_doorbell_vaddr);

	hal_srng_dst_init_hp(wbm_srng, ipa_res->tx_comp_doorbell_vaddr);

	/*
	 * For RX, REO module on Napier/Hastings does reordering on incoming
	 * Ethernet packets and writes one or more descriptors to REO2IPA Rx
	 * ring.It then updates the ring’s Write/Head ptr and rings a doorbell
	 * to IPA.
	 * Set the doorbell addr for the REO ring.
	 */
	hal_srng_dst_set_hp_paddr(reo_srng, ipa_res->rx_ready_doorbell_paddr);
	return QDF_STATUS_SUCCESS;
}

/**
 * dp_ipa_op_response() - Handle OP command response from firmware
 * @ppdev - handle to the device instance
 * @op_msg: op response message from firmware
 *
 * Return: none
 */
QDF_STATUS dp_ipa_op_response(struct cdp_pdev *ppdev, uint8_t *op_msg)
{
	struct dp_pdev *pdev = (struct dp_pdev *)ppdev;

	if (!wlan_cfg_is_ipa_enabled(pdev->soc->wlan_cfg_ctx))
		return QDF_STATUS_SUCCESS;

	if (pdev->ipa_uc_op_cb) {
		pdev->ipa_uc_op_cb(op_msg, pdev->usr_ctxt);
	} else {
		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
		    "%s: IPA callback function is not registered", __func__);
		qdf_mem_free(op_msg);
		return QDF_STATUS_E_FAILURE;
	}

	return QDF_STATUS_SUCCESS;
}

/**
 * dp_ipa_register_op_cb() - Register OP handler function
 * @ppdev - handle to the device instance
 * @op_cb: handler function pointer
 *
 * Return: none
 */
QDF_STATUS dp_ipa_register_op_cb(struct cdp_pdev *ppdev,
				 ipa_uc_op_cb_type op_cb,
				 void *usr_ctxt)
{
	struct dp_pdev *pdev = (struct dp_pdev *)ppdev;

	if (!wlan_cfg_is_ipa_enabled(pdev->soc->wlan_cfg_ctx))
		return QDF_STATUS_SUCCESS;

	pdev->ipa_uc_op_cb = op_cb;
	pdev->usr_ctxt = usr_ctxt;

	return QDF_STATUS_SUCCESS;
}

/**
 * dp_ipa_get_stat() - Get firmware wdi status
 * @ppdev - handle to the device instance
 *
 * Return: none
 */
QDF_STATUS dp_ipa_get_stat(struct cdp_pdev *ppdev)
{
	/* TBD */
	return QDF_STATUS_SUCCESS;
}

/**
 * dp_tx_send_ipa_data_frame() - send IPA data frame
 * @vdev: vdev
 * @skb: skb
 *
 * Return: skb/ NULL is for success
 */
qdf_nbuf_t dp_tx_send_ipa_data_frame(struct cdp_vdev *vdev, qdf_nbuf_t skb)
{
	qdf_nbuf_t ret;

	/* Terminate the (single-element) list of tx frames */
	qdf_nbuf_set_next(skb, NULL);
	ret = dp_tx_send((struct dp_vdev_t *)vdev, skb);
	if (ret) {
		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
			  "%s: Failed to tx", __func__);
		return ret;
	}

	return NULL;
}

/**
 * dp_ipa_enable_autonomy() – Enable autonomy RX path
 * @pdev - handle to the device instance
 *
 * Set all RX packet route to IPA REO ring
 * Program Destination_Ring_Ctrl_IX_0 REO register to point IPA REO ring
 * Return: none
 */
QDF_STATUS dp_ipa_enable_autonomy(struct cdp_pdev *ppdev)
{
	struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
	struct dp_soc *soc = pdev->soc;
	uint32_t remap_val;

	if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
		return QDF_STATUS_SUCCESS;

	/* Call HAL API to remap REO rings to REO2IPA ring */
	remap_val = HAL_REO_REMAP_VAL(REO_REMAP_TCL, REO_REMAP_TCL) |
		    HAL_REO_REMAP_VAL(REO_REMAP_SW1, REO_REMAP_SW4) |
		    HAL_REO_REMAP_VAL(REO_REMAP_SW2, REO_REMAP_SW4) |
		    HAL_REO_REMAP_VAL(REO_REMAP_SW3, REO_REMAP_SW4) |
		    HAL_REO_REMAP_VAL(REO_REMAP_SW4, REO_REMAP_SW4) |
		    HAL_REO_REMAP_VAL(REO_REMAP_RELEASE, REO_REMAP_RELEASE) |
		    HAL_REO_REMAP_VAL(REO_REMAP_FW, REO_REMAP_FW) |
		    HAL_REO_REMAP_VAL(REO_REMAP_UNUSED, REO_REMAP_FW);
	hal_reo_remap_IX0(soc->hal_soc, remap_val);
	return QDF_STATUS_SUCCESS;
}

/**
 * dp_ipa_disable_autonomy() – Disable autonomy RX path
 * @ppdev - handle to the device instance
 *
 * Disable RX packet routing to IPA REO
 * Program Destination_Ring_Ctrl_IX_0 REO register to disable
 * Return: none
 */
QDF_STATUS dp_ipa_disable_autonomy(struct cdp_pdev *ppdev)
{
	struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
	struct dp_soc *soc = pdev->soc;
	uint32_t remap_val;

	if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
		return QDF_STATUS_SUCCESS;

	/* Call HAL API to remap REO rings to REO2IPA ring */
	remap_val = HAL_REO_REMAP_VAL(REO_REMAP_TCL, REO_REMAP_TCL) |
		    HAL_REO_REMAP_VAL(REO_REMAP_SW1, REO_REMAP_SW1) |
		    HAL_REO_REMAP_VAL(REO_REMAP_SW2, REO_REMAP_SW2) |
		    HAL_REO_REMAP_VAL(REO_REMAP_SW3, REO_REMAP_SW3) |
		    HAL_REO_REMAP_VAL(REO_REMAP_SW4, REO_REMAP_SW2) |
		    HAL_REO_REMAP_VAL(REO_REMAP_RELEASE, REO_REMAP_RELEASE) |
		    HAL_REO_REMAP_VAL(REO_REMAP_FW, REO_REMAP_FW) |
		    HAL_REO_REMAP_VAL(REO_REMAP_UNUSED, REO_REMAP_FW);
	hal_reo_remap_IX0(soc->hal_soc, remap_val);

	return QDF_STATUS_SUCCESS;
}

/* This should be configurable per H/W configuration enable status */
#define L3_HEADER_PADDING	2

#ifdef CONFIG_IPA_WDI_UNIFIED_API

#ifndef QCA_LL_TX_FLOW_CONTROL_V2
static inline void dp_setup_mcc_sys_pipes(
		qdf_ipa_sys_connect_params_t *sys_in,
		qdf_ipa_wdi_conn_in_params_t *pipe_in)
{
	/* Setup MCC sys pipe */
	QDF_IPA_WDI_CONN_IN_PARAMS_NUM_SYS_PIPE_NEEDED(pipe_in) =
			DP_IPA_MAX_IFACE;
	for (int i = 0; i < DP_IPA_MAX_IFACE; i++)
		memcpy(&QDF_IPA_WDI_CONN_IN_PARAMS_SYS_IN(pipe_in)[i],
		       &sys_in[i], sizeof(qdf_ipa_sys_connect_params_t));
}
#else
static inline void dp_setup_mcc_sys_pipes(
		qdf_ipa_sys_connect_params_t *sys_in,
		qdf_ipa_wdi_conn_in_params_t *pipe_in)
{
	QDF_IPA_WDI_CONN_IN_PARAMS_NUM_SYS_PIPE_NEEDED(pipe_in) = 0;
}
#endif

/**
 * dp_ipa_setup() - Setup and connect IPA pipes
 * @ppdev - handle to the device instance
 * @ipa_i2w_cb: IPA to WLAN callback
 * @ipa_w2i_cb: WLAN to IPA callback
 * @ipa_wdi_meter_notifier_cb: IPA WDI metering callback
 * @ipa_desc_size: IPA descriptor size
 * @ipa_priv: handle to the HTT instance
 * @is_rm_enabled: Is IPA RM enabled or not
 * @tx_pipe_handle: pointer to Tx pipe handle
 * @rx_pipe_handle: pointer to Rx pipe handle
 * @is_smmu_enabled: Is SMMU enabled or not
 * @sys_in: parameters to setup sys pipe in mcc mode
 *
 * Return: QDF_STATUS
 */
QDF_STATUS dp_ipa_setup(struct cdp_pdev *ppdev, void *ipa_i2w_cb,
			void *ipa_w2i_cb, void *ipa_wdi_meter_notifier_cb,
			uint32_t ipa_desc_size, void *ipa_priv,
			bool is_rm_enabled, uint32_t *tx_pipe_handle,
			uint32_t *rx_pipe_handle, bool is_smmu_enabled,
			qdf_ipa_sys_connect_params_t *sys_in, bool over_gsi)
{
	struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
	struct dp_soc *soc = pdev->soc;
	struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
	qdf_ipa_ep_cfg_t *tx_cfg;
	qdf_ipa_ep_cfg_t *rx_cfg;
	qdf_ipa_wdi_pipe_setup_info_t *tx;
	qdf_ipa_wdi_pipe_setup_info_t *rx;
	qdf_ipa_wdi_pipe_setup_info_smmu_t *tx_smmu;
	qdf_ipa_wdi_pipe_setup_info_smmu_t *rx_smmu;
	qdf_ipa_wdi_conn_in_params_t pipe_in;
	qdf_ipa_wdi_conn_out_params_t pipe_out;
	struct tcl_data_cmd *tcl_desc_ptr;
	uint8_t *desc_addr;
	uint32_t desc_size;
	int ret;

	if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
		return QDF_STATUS_SUCCESS;


	qdf_mem_zero(&tx, sizeof(qdf_ipa_wdi_pipe_setup_info_t));
	qdf_mem_zero(&rx, sizeof(qdf_ipa_wdi_pipe_setup_info_t));
	qdf_mem_zero(&pipe_in, sizeof(pipe_in));
	qdf_mem_zero(&pipe_out, sizeof(pipe_out));

	if (is_smmu_enabled)
		QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(&pipe_in) = true;
	else
		QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(&pipe_in) = false;

	dp_setup_mcc_sys_pipes(sys_in, &pipe_in);

	/* TX PIPE */
	if (QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(&pipe_in)) {
		tx_smmu = &QDF_IPA_WDI_CONN_IN_PARAMS_TX_SMMU(&pipe_in);
		tx_cfg = &QDF_IPA_WDI_SETUP_INFO_SMMU_EP_CFG(tx_smmu);
	} else {
		tx = &QDF_IPA_WDI_CONN_IN_PARAMS_TX(&pipe_in);
		tx_cfg = &QDF_IPA_WDI_SETUP_INFO_EP_CFG(tx);
	}

	QDF_IPA_EP_CFG_NAT_EN(tx_cfg) = IPA_BYPASS_NAT;
	QDF_IPA_EP_CFG_HDR_LEN(tx_cfg) = DP_IPA_UC_WLAN_TX_HDR_LEN;
	QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE_VALID(tx_cfg) = 0;
	QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE(tx_cfg) = 0;
	QDF_IPA_EP_CFG_HDR_ADDITIONAL_CONST_LEN(tx_cfg) = 0;
	QDF_IPA_EP_CFG_MODE(tx_cfg) = IPA_BASIC;
	QDF_IPA_EP_CFG_HDR_LITTLE_ENDIAN(tx_cfg) = true;

	/**
	 * Transfer Ring: WBM Ring
	 * Transfer Ring Doorbell PA: WBM Tail Pointer Address
	 * Event Ring: TCL ring
	 * Event Ring Doorbell PA: TCL Head Pointer Address
	 */
	if (QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(&pipe_in)) {
		/* TODO: SMMU implementation on WDI3 */
		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
			  "%s: SMMU is not implementation on host", __func__);
			return QDF_STATUS_E_FAILURE;
	}

	if (over_gsi)
		QDF_IPA_WDI_SETUP_INFO_CLIENT(tx) = IPA_CLIENT_WLAN2_CONS;
	else
		QDF_IPA_WDI_SETUP_INFO_CLIENT(tx) = IPA_CLIENT_WLAN1_CONS;
	QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(tx) =
		ipa_res->tx_comp_ring_base_paddr;
	QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(tx) =
		ipa_res->tx_comp_ring_size;
	/* WBM Tail Pointer Address */
	QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(tx) =
		soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr;
	QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(tx) =
		ipa_res->tx_ring_base_paddr;
	QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(tx) =
		ipa_res->tx_ring_size;
	/* TCL Head Pointer Address */
	QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(tx) =
		soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr;
	QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(tx) =
		ipa_res->tx_num_alloc_buffer;
	QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(tx) = 0;

	/* Preprogram TCL descriptor */
	desc_addr =
		(uint8_t *)QDF_IPA_WDI_SETUP_INFO_DESC_FORMAT_TEMPLATE(tx);
	desc_size = sizeof(struct tcl_data_cmd);
	HAL_TX_DESC_SET_TLV_HDR(desc_addr, HAL_TX_TCL_DATA_TAG, desc_size);
	tcl_desc_ptr = (struct tcl_data_cmd *)
		(QDF_IPA_WDI_SETUP_INFO_DESC_FORMAT_TEMPLATE(tx) + 1);
	tcl_desc_ptr->buf_addr_info.return_buffer_manager =
		HAL_RX_BUF_RBM_SW2_BM;
	tcl_desc_ptr->addrx_en = 1;	/* Address X search enable in ASE */
	tcl_desc_ptr->encap_type = HAL_TX_ENCAP_TYPE_ETHERNET;
	tcl_desc_ptr->packet_offset = 2;	/* padding for alignment */


	/* RX PIPE */
	if (QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(&pipe_in)) {
		rx_smmu = &QDF_IPA_WDI_CONN_IN_PARAMS_RX_SMMU(&pipe_in);
		rx_cfg = &QDF_IPA_WDI_SETUP_INFO_SMMU_EP_CFG(rx_smmu);
	} else {
		rx = &QDF_IPA_WDI_CONN_IN_PARAMS_RX(&pipe_in);
		rx_cfg = &QDF_IPA_WDI_SETUP_INFO_EP_CFG(rx);
	}

	QDF_IPA_EP_CFG_NAT_EN(rx_cfg) = IPA_BYPASS_NAT;
	QDF_IPA_EP_CFG_HDR_LEN(rx_cfg) = DP_IPA_UC_WLAN_RX_HDR_LEN;
	QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE_VALID(rx_cfg) = 1;
	QDF_IPA_EP_CFG_HDR_OFST_PKT_SIZE(rx_cfg) = 0;
	QDF_IPA_EP_CFG_HDR_ADDITIONAL_CONST_LEN(rx_cfg) = 0;
	QDF_IPA_EP_CFG_HDR_OFST_METADATA_VALID(rx_cfg) = 0;
	QDF_IPA_EP_CFG_HDR_METADATA_REG_VALID(rx_cfg) = 1;
	QDF_IPA_EP_CFG_MODE(rx_cfg) = IPA_BASIC;
	QDF_IPA_EP_CFG_HDR_LITTLE_ENDIAN(rx_cfg) = true;

	/**
	 * Transfer Ring: REO Ring
	 * Transfer Ring Doorbell PA: REO Tail Pointer Address
	 * Event Ring: FW ring
	 * Event Ring Doorbell PA: FW Head Pointer Address
	 */
	if (QDF_IPA_WDI_CONN_IN_PARAMS_SMMU_ENABLED(&pipe_in)) {
		/* TODO: SMMU implementation on WDI3 */
		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
			  "%s: SMMU is not implementation on host", __func__);
			return QDF_STATUS_E_FAILURE;
	} else {
		if (over_gsi)
			QDF_IPA_WDI_SETUP_INFO_CLIENT(rx) =
						IPA_CLIENT_WLAN2_PROD;
		else
			QDF_IPA_WDI_SETUP_INFO_CLIENT(rx) =
						IPA_CLIENT_WLAN1_PROD;
		QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(rx) =
			ipa_res->rx_rdy_ring_base_paddr;
		QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(rx) =
			ipa_res->rx_rdy_ring_size;
		QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(rx) =
			/* REO Tail Pointer Address */
			soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr;
		QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(rx) =
			ipa_res->rx_refill_ring_base_paddr;
		QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(rx) =
			ipa_res->rx_refill_ring_size;
		QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(rx) =
			/* FW Head Pointer Address */
			soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr;
		QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(rx) =
			RX_PKT_TLVS_LEN + L3_HEADER_PADDING;
	}

	QDF_IPA_WDI_CONN_IN_PARAMS_NOTIFY(&pipe_in) = ipa_w2i_cb;
	QDF_IPA_WDI_CONN_IN_PARAMS_PRIV(&pipe_in) = ipa_priv;

	/* Connect WDI IPA PIPEs */
	ret = qdf_ipa_wdi_conn_pipes(&pipe_in, &pipe_out);

	if (ret) {
		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
			  "%s: ipa_wdi_conn_pipes: IPA pipe setup failed: ret=%d",
			  __func__, ret);
		return QDF_STATUS_E_FAILURE;
	}

	/* IPA uC Doorbell registers */
	dp_info("Tx DB PA=0x%x, Rx DB PA=0x%x",
		(unsigned int)QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(&pipe_out),
		(unsigned int)QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(&pipe_out));

	ipa_res->tx_comp_doorbell_paddr =
		QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(&pipe_out);
	ipa_res->rx_ready_doorbell_paddr =
		QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(&pipe_out);

	dp_info("Tx: %s=%pK, %s=%d, %s=%pK, %s=%pK, %s=%d, %s=%pK, %s=%d, %s=%pK %s=%pK",
		"transfer_ring_base_pa",
		(void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(tx),
		"transfer_ring_size",
		QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(tx),
		"transfer_ring_doorbell_pa",
		(void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(tx),
		"event_ring_base_pa",
		(void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(tx),
		"event_ring_size",
		QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(tx),
		"event_ring_doorbell_pa",
		(void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(tx),
		"num_pkt_buffers",
		QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(tx),
		"tx_comp_doorbell_paddr",
		(void *)ipa_res->tx_comp_doorbell_paddr,
		"tx_comp_doorbell_vaddr",
		(void *)ipa_res->tx_comp_doorbell_vaddr);

	dp_info("Rx: %s=%pK, %s=%d, %s=%pK, %s=%pK, %s=%d, %s=%pK, %s=%d, %s=%u, %s=%pK",
		"transfer_ring_base_pa",
		(void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(rx),
		"transfer_ring_size",
		QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(rx),
		"transfer_ring_doorbell_pa",
		(void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(rx),
		"event_ring_base_pa",
		(void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(rx),
		"event_ring_size",
		QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(rx),
		"event_ring_doorbell_pa",
		(void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(rx),
		"num_pkt_buffers",
		QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(rx),
		"pkt_offset(rx)",
		QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(rx),
		"tx_comp_doorbell_paddr",
		(void *)ipa_res->rx_ready_doorbell_paddr);

	return QDF_STATUS_SUCCESS;
}

/**
 * dp_ipa_setup_iface() - Setup IPA header and register interface
 * @ifname: Interface name
 * @mac_addr: Interface MAC address
 * @prod_client: IPA prod client type
 * @cons_client: IPA cons client type
 * @session_id: Session ID
 * @is_ipv6_enabled: Is IPV6 enabled or not
 *
 * Return: QDF_STATUS
 */
QDF_STATUS dp_ipa_setup_iface(char *ifname, uint8_t *mac_addr,
			      qdf_ipa_client_type_t prod_client,
			      qdf_ipa_client_type_t cons_client,
			      uint8_t session_id, bool is_ipv6_enabled)
{
	qdf_ipa_wdi_reg_intf_in_params_t in;
	qdf_ipa_wdi_hdr_info_t hdr_info;
	struct dp_ipa_uc_tx_hdr uc_tx_hdr;
	struct dp_ipa_uc_tx_hdr uc_tx_hdr_v6;
	int ret = -EINVAL;

	dp_debug("Add Partial hdr: %s, %pM", ifname, mac_addr);
	qdf_mem_zero(&hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
	qdf_ether_addr_copy(uc_tx_hdr.eth.h_source, mac_addr);

	/* IPV4 header */
	uc_tx_hdr.eth.h_proto = qdf_htons(ETH_P_IP);

	QDF_IPA_WDI_HDR_INFO_HDR(&hdr_info) = (uint8_t *)&uc_tx_hdr;
	QDF_IPA_WDI_HDR_INFO_HDR_LEN(&hdr_info) = DP_IPA_UC_WLAN_TX_HDR_LEN;
	QDF_IPA_WDI_HDR_INFO_HDR_TYPE(&hdr_info) = IPA_HDR_L2_ETHERNET_II;
	QDF_IPA_WDI_HDR_INFO_DST_MAC_ADDR_OFFSET(&hdr_info) =
		DP_IPA_UC_WLAN_HDR_DES_MAC_OFFSET;

	QDF_IPA_WDI_REG_INTF_IN_PARAMS_NETDEV_NAME(&in) = ifname;
	qdf_mem_copy(&(QDF_IPA_WDI_REG_INTF_IN_PARAMS_HDR_INFO(&in)[IPA_IP_v4]),
		     &hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
	QDF_IPA_WDI_REG_INTF_IN_PARAMS_ALT_DST_PIPE(&in) = cons_client;
	QDF_IPA_WDI_REG_INTF_IN_PARAMS_IS_META_DATA_VALID(&in) = 1;
	QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA(&in) =
		htonl(session_id << 16);
	QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA_MASK(&in) = htonl(0x00FF0000);

	/* IPV6 header */
	if (is_ipv6_enabled) {
		qdf_mem_copy(&uc_tx_hdr_v6, &uc_tx_hdr,
			     DP_IPA_UC_WLAN_TX_HDR_LEN);
		uc_tx_hdr_v6.eth.h_proto = qdf_htons(ETH_P_IPV6);
		QDF_IPA_WDI_HDR_INFO_HDR(&hdr_info) = (uint8_t *)&uc_tx_hdr_v6;
		qdf_mem_copy(&(QDF_IPA_WDI_REG_INTF_IN_PARAMS_HDR_INFO(&in)[IPA_IP_v6]),
			     &hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
	}

	dp_debug("registering for session_id: %u", session_id);

	ret = qdf_ipa_wdi_reg_intf(&in);

	if (ret) {
		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
		    "%s: ipa_wdi_reg_intf: register IPA interface falied: ret=%d",
		    __func__, ret);
		return QDF_STATUS_E_FAILURE;
	}

	return QDF_STATUS_SUCCESS;
}

#else /* CONFIG_IPA_WDI_UNIFIED_API */

/**
 * dp_ipa_setup() - Setup and connect IPA pipes
 * @ppdev - handle to the device instance
 * @ipa_i2w_cb: IPA to WLAN callback
 * @ipa_w2i_cb: WLAN to IPA callback
 * @ipa_wdi_meter_notifier_cb: IPA WDI metering callback
 * @ipa_desc_size: IPA descriptor size
 * @ipa_priv: handle to the HTT instance
 * @is_rm_enabled: Is IPA RM enabled or not
 * @tx_pipe_handle: pointer to Tx pipe handle
 * @rx_pipe_handle: pointer to Rx pipe handle
 *
 * Return: QDF_STATUS
 */
QDF_STATUS dp_ipa_setup(struct cdp_pdev *ppdev, void *ipa_i2w_cb,
			void *ipa_w2i_cb, void *ipa_wdi_meter_notifier_cb,
			uint32_t ipa_desc_size, void *ipa_priv,
			bool is_rm_enabled, uint32_t *tx_pipe_handle,
			uint32_t *rx_pipe_handle)
{
	struct dp_pdev *pdev = (struct dp_pdev *)ppdev;
	struct dp_soc *soc = pdev->soc;
	struct dp_ipa_resources *ipa_res = &pdev->ipa_resource;
	qdf_ipa_wdi_pipe_setup_info_t *tx;
	qdf_ipa_wdi_pipe_setup_info_t *rx;
	qdf_ipa_wdi_conn_in_params_t pipe_in;
	qdf_ipa_wdi_conn_out_params_t pipe_out;
	struct tcl_data_cmd *tcl_desc_ptr;
	uint8_t *desc_addr;
	uint32_t desc_size;
	int ret;

	if (!wlan_cfg_is_ipa_enabled(soc->wlan_cfg_ctx))
		return QDF_STATUS_SUCCESS;

	qdf_mem_zero(&tx, sizeof(qdf_ipa_wdi_pipe_setup_info_t));
	qdf_mem_zero(&rx, sizeof(qdf_ipa_wdi_pipe_setup_info_t));
	qdf_mem_zero(&pipe_in, sizeof(pipe_in));
	qdf_mem_zero(&pipe_out, sizeof(pipe_out));

	/* TX PIPE */
	/**
	 * Transfer Ring: WBM Ring
	 * Transfer Ring Doorbell PA: WBM Tail Pointer Address
	 * Event Ring: TCL ring
	 * Event Ring Doorbell PA: TCL Head Pointer Address
	 */
	tx = &QDF_IPA_WDI_CONN_IN_PARAMS_TX(&pipe_in);
	QDF_IPA_WDI_SETUP_INFO_NAT_EN(tx) = IPA_BYPASS_NAT;
	QDF_IPA_WDI_SETUP_INFO_HDR_LEN(tx) = DP_IPA_UC_WLAN_TX_HDR_LEN;
	QDF_IPA_WDI_SETUP_INFO_HDR_OFST_PKT_SIZE_VALID(tx) = 0;
	QDF_IPA_WDI_SETUP_INFO_HDR_OFST_PKT_SIZE(tx) = 0;
	QDF_IPA_WDI_SETUP_INFO_HDR_ADDITIONAL_CONST_LEN(tx) = 0;
	QDF_IPA_WDI_SETUP_INFO_MODE(tx) = IPA_BASIC;
	QDF_IPA_WDI_SETUP_INFO_HDR_LITTLE_ENDIAN(tx) = true;
	QDF_IPA_WDI_SETUP_INFO_CLIENT(tx) = IPA_CLIENT_WLAN1_CONS;
	QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(tx) =
		ipa_res->tx_comp_ring_base_paddr;
	QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(tx) =
		ipa_res->tx_comp_ring_size;
	/* WBM Tail Pointer Address */
	QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(tx) =
		soc->ipa_uc_tx_rsc.ipa_wbm_tp_paddr;
	QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(tx) =
		ipa_res->tx_ring_base_paddr;
	QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(tx) = ipa_res->tx_ring_size;
	/* TCL Head Pointer Address */
	QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(tx) =
		soc->ipa_uc_tx_rsc.ipa_tcl_hp_paddr;
	QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(tx) =
		ipa_res->tx_num_alloc_buffer;
	QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(tx) = 0;

	/* Preprogram TCL descriptor */
	desc_addr =
		(uint8_t *)QDF_IPA_WDI_SETUP_INFO_DESC_FORMAT_TEMPLATE(tx);
	desc_size = sizeof(struct tcl_data_cmd);
	HAL_TX_DESC_SET_TLV_HDR(desc_addr, HAL_TX_TCL_DATA_TAG, desc_size);
	tcl_desc_ptr = (struct tcl_data_cmd *)
		(QDF_IPA_WDI_SETUP_INFO_DESC_FORMAT_TEMPLATE(tx) + 1);
	tcl_desc_ptr->buf_addr_info.return_buffer_manager =
						HAL_RX_BUF_RBM_SW2_BM;
	tcl_desc_ptr->addrx_en = 1;	/* Address X search enable in ASE */
	tcl_desc_ptr->encap_type = HAL_TX_ENCAP_TYPE_ETHERNET;
	tcl_desc_ptr->packet_offset = 2;	/* padding for alignment */

	/* RX PIPE */
	/**
	 * Transfer Ring: REO Ring
	 * Transfer Ring Doorbell PA: REO Tail Pointer Address
	 * Event Ring: FW ring
	 * Event Ring Doorbell PA: FW Head Pointer Address
	 */
	rx = &QDF_IPA_WDI_CONN_IN_PARAMS_RX(&pipe_in);
	QDF_IPA_WDI_SETUP_INFO_NAT_EN(rx) = IPA_BYPASS_NAT;
	QDF_IPA_WDI_SETUP_INFO_HDR_LEN(rx) = DP_IPA_UC_WLAN_RX_HDR_LEN;
	QDF_IPA_WDI_SETUP_INFO_HDR_OFST_PKT_SIZE_VALID(rx) = 0;
	QDF_IPA_WDI_SETUP_INFO_HDR_OFST_PKT_SIZE(rx) = 0;
	QDF_IPA_WDI_SETUP_INFO_HDR_ADDITIONAL_CONST_LEN(rx) = 0;
	QDF_IPA_WDI_SETUP_INFO_HDR_OFST_METADATA_VALID(rx) = 0;
	QDF_IPA_WDI_SETUP_INFO_HDR_METADATA_REG_VALID(rx) = 1;
	QDF_IPA_WDI_SETUP_INFO_MODE(rx) = IPA_BASIC;
	QDF_IPA_WDI_SETUP_INFO_HDR_LITTLE_ENDIAN(rx) = true;
	QDF_IPA_WDI_SETUP_INFO_CLIENT(rx) = IPA_CLIENT_WLAN1_PROD;
	QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(rx) =
						ipa_res->rx_rdy_ring_base_paddr;
	QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(rx) =
						ipa_res->rx_rdy_ring_size;
	/* REO Tail Pointer Address */
	QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(rx) =
					soc->ipa_uc_rx_rsc.ipa_reo_tp_paddr;
	QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(rx) =
					ipa_res->rx_refill_ring_base_paddr;
	QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(rx) =
						ipa_res->rx_refill_ring_size;
	/* FW Head Pointer Address */
	QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(rx) =
				soc->ipa_uc_rx_rsc.ipa_rx_refill_buf_hp_paddr;
	QDF_IPA_WDI_SETUP_INFO_PKT_OFFSET(rx) = RX_PKT_TLVS_LEN +
						L3_HEADER_PADDING;
	QDF_IPA_WDI_CONN_IN_PARAMS_NOTIFY(&pipe_in) = ipa_w2i_cb;
	QDF_IPA_WDI_CONN_IN_PARAMS_PRIV(&pipe_in) = ipa_priv;

	/* Connect WDI IPA PIPE */
	ret = qdf_ipa_wdi_conn_pipes(&pipe_in, &pipe_out);
	if (ret) {
		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
			  "%s: ipa_wdi_conn_pipes: IPA pipe setup failed: ret=%d",
			  __func__, ret);
		return QDF_STATUS_E_FAILURE;
	}

	/* IPA uC Doorbell registers */
	QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
		  "%s: Tx DB PA=0x%x, Rx DB PA=0x%x",
		  __func__,
		(unsigned int)QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(&pipe_out),
		(unsigned int)QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(&pipe_out));

	ipa_res->tx_comp_doorbell_paddr =
		QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_PA(&pipe_out);
	ipa_res->tx_comp_doorbell_vaddr =
		QDF_IPA_WDI_CONN_OUT_PARAMS_TX_UC_DB_VA(&pipe_out);
	ipa_res->rx_ready_doorbell_paddr =
		QDF_IPA_WDI_CONN_OUT_PARAMS_RX_UC_DB_PA(&pipe_out);

	QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
		  "%s: Tx: %s=%pK, %s=%d, %s=%pK, %s=%pK, %s=%d, %s=%pK, %s=%d, %s=%pK",
		  __func__,
		  "transfer_ring_base_pa",
		  (void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(tx),
		  "transfer_ring_size",
		  QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(tx),
		  "transfer_ring_doorbell_pa",
		  (void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(tx),
		  "event_ring_base_pa",
		  (void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(tx),
		  "event_ring_size",
		  QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(tx),
		  "event_ring_doorbell_pa",
		  (void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(tx),
		  "num_pkt_buffers",
		  QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(tx),
		  "tx_comp_doorbell_paddr",
		  (void *)ipa_res->tx_comp_doorbell_paddr);

	QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
		  "%s: Rx: %s=%pK, %s=%d, %s=%pK, %s=%pK, %s=%d, %s=%pK, %s=%d, %s=%pK",
		  __func__,
		  "transfer_ring_base_pa",
		  (void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_BASE_PA(rx),
		  "transfer_ring_size",
		  QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_SIZE(rx),
		  "transfer_ring_doorbell_pa",
		  (void *)QDF_IPA_WDI_SETUP_INFO_TRANSFER_RING_DOORBELL_PA(rx),
		  "event_ring_base_pa",
		  (void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_BASE_PA(rx),
		  "event_ring_size",
		  QDF_IPA_WDI_SETUP_INFO_EVENT_RING_SIZE(rx),
		  "event_ring_doorbell_pa",
		  (void *)QDF_IPA_WDI_SETUP_INFO_EVENT_RING_DOORBELL_PA(rx),
		  "num_pkt_buffers",
		  QDF_IPA_WDI_SETUP_INFO_NUM_PKT_BUFFERS(rx),
		  "tx_comp_doorbell_paddr",
		  (void *)ipa_res->rx_ready_doorbell_paddr);

	return QDF_STATUS_SUCCESS;
}

/**
 * dp_ipa_setup_iface() - Setup IPA header and register interface
 * @ifname: Interface name
 * @mac_addr: Interface MAC address
 * @prod_client: IPA prod client type
 * @cons_client: IPA cons client type
 * @session_id: Session ID
 * @is_ipv6_enabled: Is IPV6 enabled or not
 *
 * Return: QDF_STATUS
 */
QDF_STATUS dp_ipa_setup_iface(char *ifname, uint8_t *mac_addr,
			      qdf_ipa_client_type_t prod_client,
			      qdf_ipa_client_type_t cons_client,
			      uint8_t session_id, bool is_ipv6_enabled)
{
	qdf_ipa_wdi_reg_intf_in_params_t in;
	qdf_ipa_wdi_hdr_info_t hdr_info;
	struct dp_ipa_uc_tx_hdr uc_tx_hdr;
	struct dp_ipa_uc_tx_hdr uc_tx_hdr_v6;
	int ret = -EINVAL;

	QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_DEBUG,
		  "%s: Add Partial hdr: %s, %pM",
		  __func__, ifname, mac_addr);

	qdf_mem_zero(&hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
	qdf_ether_addr_copy(uc_tx_hdr.eth.h_source, mac_addr);

	/* IPV4 header */
	uc_tx_hdr.eth.h_proto = qdf_htons(ETH_P_IP);

	QDF_IPA_WDI_HDR_INFO_HDR(&hdr_info) = (uint8_t *)&uc_tx_hdr;
	QDF_IPA_WDI_HDR_INFO_HDR_LEN(&hdr_info) = DP_IPA_UC_WLAN_TX_HDR_LEN;
	QDF_IPA_WDI_HDR_INFO_HDR_TYPE(&hdr_info) = IPA_HDR_L2_ETHERNET_II;
	QDF_IPA_WDI_HDR_INFO_DST_MAC_ADDR_OFFSET(&hdr_info) =
		DP_IPA_UC_WLAN_HDR_DES_MAC_OFFSET;

	QDF_IPA_WDI_REG_INTF_IN_PARAMS_NETDEV_NAME(&in) = ifname;
	qdf_mem_copy(&(QDF_IPA_WDI_REG_INTF_IN_PARAMS_HDR_INFO(&in)[IPA_IP_v4]),
		     &hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
	QDF_IPA_WDI_REG_INTF_IN_PARAMS_IS_META_DATA_VALID(&in) = 1;
	QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA(&in) =
		htonl(session_id << 16);
	QDF_IPA_WDI_REG_INTF_IN_PARAMS_META_DATA_MASK(&in) = htonl(0x00FF0000);

	/* IPV6 header */
	if (is_ipv6_enabled) {
		qdf_mem_copy(&uc_tx_hdr_v6, &uc_tx_hdr,
			     DP_IPA_UC_WLAN_TX_HDR_LEN);
		uc_tx_hdr_v6.eth.h_proto = qdf_htons(ETH_P_IPV6);
		QDF_IPA_WDI_HDR_INFO_HDR(&hdr_info) = (uint8_t *)&uc_tx_hdr_v6;
		qdf_mem_copy(&(QDF_IPA_WDI_REG_INTF_IN_PARAMS_HDR_INFO(&in)[IPA_IP_v6]),
			     &hdr_info, sizeof(qdf_ipa_wdi_hdr_info_t));
	}

	ret = qdf_ipa_wdi_reg_intf(&in);
	if (ret) {
		dp_err("ipa_wdi_reg_intf: register IPA interface falied: ret=%d",
		       ret);
		return QDF_STATUS_E_FAILURE;
	}

	return QDF_STATUS_SUCCESS;
}

#endif /* CONFIG_IPA_WDI_UNIFIED_API */

/**
 * dp_ipa_cleanup() - Disconnect IPA pipes
 * @tx_pipe_handle: Tx pipe handle
 * @rx_pipe_handle: Rx pipe handle
 *
 * Return: QDF_STATUS
 */
QDF_STATUS dp_ipa_cleanup(uint32_t tx_pipe_handle, uint32_t rx_pipe_handle)
{
	int ret;

	ret = qdf_ipa_wdi_disconn_pipes();
	if (ret) {
		dp_err("ipa_wdi_disconn_pipes: IPA pipe cleanup failed: ret=%d",
		       ret);
		return QDF_STATUS_E_FAILURE;
	}

	return QDF_STATUS_SUCCESS;
}

/**
 * dp_ipa_cleanup_iface() - Cleanup IPA header and deregister interface
 * @ifname: Interface name
 * @is_ipv6_enabled: Is IPV6 enabled or not
 *
 * Return: QDF_STATUS
 */
QDF_STATUS dp_ipa_cleanup_iface(char *ifname, bool is_ipv6_enabled)
{
	int ret;

	ret = qdf_ipa_wdi_dereg_intf(ifname);
	if (ret) {
		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
			  "%s: ipa_wdi_dereg_intf: IPA pipe deregistration failed: ret=%d",
			  __func__, ret);
		return QDF_STATUS_E_FAILURE;
	}

	return QDF_STATUS_SUCCESS;
}

 /**
 * dp_ipa_uc_enable_pipes() - Enable and resume traffic on Tx/Rx pipes
 * @ppdev - handle to the device instance
 *
 * Return: QDF_STATUS
 */
QDF_STATUS dp_ipa_enable_pipes(struct cdp_pdev *ppdev)
{
	QDF_STATUS result;

	result = qdf_ipa_wdi_enable_pipes();
	if (result) {
		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
			  "%s: Enable WDI PIPE fail, code %d",
			  __func__, result);
		return QDF_STATUS_E_FAILURE;
	}

	return QDF_STATUS_SUCCESS;
}

/**
 * dp_ipa_uc_disable_pipes() – Suspend traffic and disable Tx/Rx pipes
 * @ppdev - handle to the device instance
 *
 * Return: QDF_STATUS
 */
QDF_STATUS dp_ipa_disable_pipes(struct cdp_pdev *ppdev)
{
	QDF_STATUS result;

	result = qdf_ipa_wdi_disable_pipes();
	if (result) {
		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
			  "%s: Disable WDI PIPE fail, code %d",
			  __func__, result);
		return QDF_STATUS_E_FAILURE;
	}

	return QDF_STATUS_SUCCESS;
}

/**
 * dp_ipa_set_perf_level() - Set IPA clock bandwidth based on data rates
 * @client: Client type
 * @max_supported_bw_mbps: Maximum bandwidth needed (in Mbps)
 *
 * Return: QDF_STATUS
 */
QDF_STATUS dp_ipa_set_perf_level(int client, uint32_t max_supported_bw_mbps)
{
	qdf_ipa_wdi_perf_profile_t profile;
	QDF_STATUS result;

	profile.client = client;
	profile.max_supported_bw_mbps = max_supported_bw_mbps;

	result = qdf_ipa_wdi_set_perf_profile(&profile);
	if (result) {
		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
			  "%s: ipa_wdi_set_perf_profile fail, code %d",
			  __func__, result);
		return QDF_STATUS_E_FAILURE;
	}

	return QDF_STATUS_SUCCESS;
}

#endif