[v2,15/50] wifi: ath12k: add dp_rx.c

diff --git a/drivers/net/wireless/ath/ath12k/dp_rx.c b/drivers/net/wireless/ath/ath12k/dp_rx.c
new file mode 100644
index 000000000000..d6835d13f7ec
--- /dev/null
+++ b/drivers/net/wireless/ath/ath12k/dp_rx.c
@@ -0,0 +1,4235 @@ 
+// SPDX-License-Identifier: BSD-3-Clause-Clear
+/*
+ * Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#include <linux/ieee80211.h>
+#include <linux/kernel.h>
+#include <linux/skbuff.h>
+#include <crypto/hash.h>
+#include "core.h"
+#include "debug.h"
+#include "hal_desc.h"
+#include "hw.h"
+#include "dp_rx.h"
+#include "hal_rx.h"
+#include "dp_tx.h"
+#include "peer.h"
+#include "dp_mon.h"
+
+#define ATH12K_DP_RX_FRAGMENT_TIMEOUT_MS (2 * HZ)
+
+static enum hal_encrypt_type ath12k_dp_rx_h_enctype(struct ath12k_base *ab,
+						    struct hal_rx_desc *desc)
+{
+	if (!ab->hw_params->hal_ops->rx_desc_encrypt_valid(desc))
+		return HAL_ENCRYPT_TYPE_OPEN;
+
+	return ab->hw_params->hal_ops->rx_desc_get_encrypt_type(desc);
+}
+
+u8 ath12k_dp_rx_h_decap_type(struct ath12k_base *ab,
+			     struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->rx_desc_get_decap_type(desc);
+}
+
+static u8 ath12k_dp_rx_h_mesh_ctl_present(struct ath12k_base *ab,
+					  struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->rx_desc_get_mesh_ctl(desc);
+}
+
+static bool ath12k_dp_rx_h_seq_ctrl_valid(struct ath12k_base *ab,
+					  struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->rx_desc_get_mpdu_seq_ctl_vld(desc);
+}
+
+static bool ath12k_dp_rx_h_fc_valid(struct ath12k_base *ab,
+				    struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->rx_desc_get_mpdu_fc_valid(desc);
+}
+
+static bool ath12k_dp_rx_h_more_frags(struct ath12k_base *ab,
+				      struct sk_buff *skb)
+{
+	struct ieee80211_hdr *hdr;
+
+	hdr = (struct ieee80211_hdr *)(skb->data + ab->hw_params->hal_desc_sz);
+	return ieee80211_has_morefrags(hdr->frame_control);
+}
+
+static u16 ath12k_dp_rx_h_frag_no(struct ath12k_base *ab,
+				  struct sk_buff *skb)
+{
+	struct ieee80211_hdr *hdr;
+
+	hdr = (struct ieee80211_hdr *)(skb->data + ab->hw_params->hal_desc_sz);
+	return le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG;
+}
+
+static u16 ath12k_dp_rx_h_seq_no(struct ath12k_base *ab,
+				 struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->rx_desc_get_mpdu_start_seq_no(desc);
+}
+
+static bool ath12k_dp_rx_h_msdu_done(struct ath12k_base *ab,
+				     struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->dp_rx_h_msdu_done(desc);
+}
+
+static bool ath12k_dp_rx_h_l4_cksum_fail(struct ath12k_base *ab,
+					 struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->dp_rx_h_l4_cksum_fail(desc);
+}
+
+static bool ath12k_dp_rx_h_ip_cksum_fail(struct ath12k_base *ab,
+					 struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->dp_rx_h_ip_cksum_fail(desc);
+}
+
+static bool ath12k_dp_rx_h_is_decrypted(struct ath12k_base *ab,
+					struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->dp_rx_h_is_decrypted(desc);
+}
+
+u32 ath12k_dp_rx_h_mpdu_err(struct ath12k_base *ab,
+			    struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->dp_rx_h_mpdu_err(desc);
+}
+
+static u16 ath12k_dp_rx_h_msdu_len(struct ath12k_base *ab,
+				   struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->rx_desc_get_msdu_len(desc);
+}
+
+static u8 ath12k_dp_rx_h_sgi(struct ath12k_base *ab,
+			     struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->rx_desc_get_msdu_sgi(desc);
+}
+
+static u8 ath12k_dp_rx_h_rate_mcs(struct ath12k_base *ab,
+				  struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->rx_desc_get_msdu_rate_mcs(desc);
+}
+
+static u8 ath12k_dp_rx_h_rx_bw(struct ath12k_base *ab,
+			       struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->rx_desc_get_msdu_rx_bw(desc);
+}
+
+static u32 ath12k_dp_rx_h_freq(struct ath12k_base *ab,
+			       struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->rx_desc_get_msdu_freq(desc);
+}
+
+static u8 ath12k_dp_rx_h_pkt_type(struct ath12k_base *ab,
+				  struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->rx_desc_get_msdu_pkt_type(desc);
+}
+
+static u8 ath12k_dp_rx_h_nss(struct ath12k_base *ab,
+			     struct hal_rx_desc *desc)
+{
+	return hweight8(ab->hw_params->hal_ops->rx_desc_get_msdu_nss(desc));
+}
+
+static u8 ath12k_dp_rx_h_tid(struct ath12k_base *ab,
+			     struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->rx_desc_get_mpdu_tid(desc);
+}
+
+static u16 ath12k_dp_rx_h_peer_id(struct ath12k_base *ab,
+				  struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->rx_desc_get_mpdu_peer_id(desc);
+}
+
+u8 ath12k_dp_rx_h_l3pad(struct ath12k_base *ab,
+			struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->rx_desc_get_l3_pad_bytes(desc);
+}
+
+static bool ath12k_dp_rx_h_first_msdu(struct ath12k_base *ab,
+				      struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->rx_desc_get_first_msdu(desc);
+}
+
+static bool ath12k_dp_rx_h_last_msdu(struct ath12k_base *ab,
+				     struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->rx_desc_get_last_msdu(desc);
+}
+
+static void ath12k_dp_rx_desc_end_tlv_copy(struct ath12k_base *ab,
+					   struct hal_rx_desc *fdesc,
+					   struct hal_rx_desc *ldesc)
+{
+	ab->hw_params->hal_ops->rx_desc_copy_end_tlv(fdesc, ldesc);
+}
+
+static void ath12k_dp_rxdesc_set_msdu_len(struct ath12k_base *ab,
+					  struct hal_rx_desc *desc,
+					  u16 len)
+{
+	ab->hw_params->hal_ops->rx_desc_set_msdu_len(desc, len);
+}
+
+static bool ath12k_dp_rx_h_is_mcbc(struct ath12k_base *ab,
+				   struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->rx_desc_is_mcbc(desc);
+}
+
+static bool ath12k_dp_rxdesc_mac_addr2_valid(struct ath12k_base *ab,
+					     struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->rx_desc_mac_addr2_valid(desc);
+}
+
+static u8 *ath12k_dp_rxdesc_get_mpdu_start_addr2(struct ath12k_base *ab,
+						 struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->rx_desc_mpdu_start_addr2(desc);
+}
+
+static void ath12k_dp_rx_desc_get_dot11_hdr(struct ath12k_base *ab,
+					    struct hal_rx_desc *desc,
+					    struct ieee80211_hdr *hdr)
+{
+	ab->hw_params->hal_ops->rx_desc_get_dot11_hdr(desc, hdr);
+}
+
+static void ath12k_dp_rx_desc_get_crypto_header(struct ath12k_base *ab,
+						struct hal_rx_desc *desc,
+						u8 *crypto_hdr,
+						enum hal_encrypt_type enctype)
+{
+	ab->hw_params->hal_ops->rx_desc_get_crypto_header(desc, crypto_hdr, enctype);
+}
+
+static u16 ath12k_dp_rxdesc_get_mpdu_frame_ctrl(struct ath12k_base *ab,
+						struct hal_rx_desc *desc)
+{
+	return ab->hw_params->hal_ops->rx_desc_get_mpdu_frame_ctl(desc);
+}
+
+static int ath12k_dp_purge_mon_ring(struct ath12k_base *ab)
+{
+	int i, reaped = 0;
+	unsigned long timeout = jiffies + msecs_to_jiffies(DP_MON_PURGE_TIMEOUT_MS);
+
+	do {
+		for (i = 0; i < ab->hw_params->num_rxmda_per_pdev; i++)
+			reaped += ath12k_dp_mon_process_ring(ab, i, NULL,
+							     DP_MON_SERVICE_BUDGET,
+							     ATH12K_DP_RX_MONITOR_MODE);
+
+		/* nothing more to reap */
+		if (reaped < DP_MON_SERVICE_BUDGET)
+			return 0;
+
+	} while (time_before(jiffies, timeout));
+
+	ath12k_warn(ab, "dp mon ring purge timeout");
+
+	return -ETIMEDOUT;
+}
+
+/* Returns number of Rx buffers replenished */
+int ath12k_dp_rx_bufs_replenish(struct ath12k_base *ab, int mac_id,
+				struct dp_rxdma_ring *rx_ring,
+				int req_entries,
+				enum hal_rx_buf_return_buf_manager mgr,
+				bool hw_cc)
+{
+	struct ath12k_buffer_addr *desc;
+	struct hal_srng *srng;
+	struct sk_buff *skb;
+	int num_free;
+	int num_remain;
+	int buf_id;
+	u32 cookie;
+	dma_addr_t paddr;
+	struct ath12k_dp *dp = &ab->dp;
+	struct ath12k_rx_desc_info *rx_desc;
+
+	req_entries = min(req_entries, rx_ring->bufs_max);
+
+	srng = &ab->hal.srng_list[rx_ring->refill_buf_ring.ring_id];
+
+	spin_lock_bh(&srng->lock);
+
+	ath12k_hal_srng_access_begin(ab, srng);
+
+	num_free = ath12k_hal_srng_src_num_free(ab, srng, true);
+	if (!req_entries && (num_free > (rx_ring->bufs_max * 3) / 4))
+		req_entries = num_free;
+
+	req_entries = min(num_free, req_entries);
+	num_remain = req_entries;
+
+	while (num_remain > 0) {
+		skb = dev_alloc_skb(DP_RX_BUFFER_SIZE +
+				    DP_RX_BUFFER_ALIGN_SIZE);
+		if (!skb)
+			break;
+
+		if (!IS_ALIGNED((unsigned long)skb->data,
+				DP_RX_BUFFER_ALIGN_SIZE)) {
+			skb_pull(skb,
+				 PTR_ALIGN(skb->data, DP_RX_BUFFER_ALIGN_SIZE) -
+				 skb->data);
+		}
+
+		paddr = dma_map_single(ab->dev, skb->data,
+				       skb->len + skb_tailroom(skb),
+				       DMA_FROM_DEVICE);
+		if (dma_mapping_error(ab->dev, paddr))
+			goto fail_free_skb;
+
+		if (hw_cc) {
+			spin_lock_bh(&dp->rx_desc_lock);
+
+			/* Get desc from free list and store in used list
+			 * for cleanup purposes
+			 *
+			 * TODO: pass the removed descs rather than
+			 * add/read to optimize
+			 */
+			rx_desc = list_first_entry_or_null(&dp->rx_desc_free_list,
+							   struct ath12k_rx_desc_info,
+							   list);
+			if (!rx_desc) {
+				spin_unlock_bh(&dp->rx_desc_lock);
+				goto fail_dma_unmap;
+			}
+
+			rx_desc->skb = skb;
+			cookie = rx_desc->cookie;
+			list_del(&rx_desc->list);
+			list_add_tail(&rx_desc->list, &dp->rx_desc_used_list);
+
+			spin_unlock_bh(&dp->rx_desc_lock);
+		} else {
+			spin_lock_bh(&rx_ring->idr_lock);
+			buf_id = idr_alloc(&rx_ring->bufs_idr, skb, 0,
+					   rx_ring->bufs_max * 3, GFP_ATOMIC);
+			spin_unlock_bh(&rx_ring->idr_lock);
+			if (buf_id < 0)
+				goto fail_dma_unmap;
+			cookie = u32_encode_bits(mac_id,
+						 DP_RXDMA_BUF_COOKIE_PDEV_ID) |
+				 u32_encode_bits(buf_id,
+						 DP_RXDMA_BUF_COOKIE_BUF_ID);
+		}
+
+		desc = ath12k_hal_srng_src_get_next_entry(ab, srng);
+		if (!desc)
+			goto fail_buf_unassign;
+
+		ATH12K_SKB_RXCB(skb)->paddr = paddr;
+
+		num_remain--;
+
+		ath12k_hal_rx_buf_addr_info_set(desc, paddr, cookie, mgr);
+	}
+
+	ath12k_hal_srng_access_end(ab, srng);
+
+	spin_unlock_bh(&srng->lock);
+
+	return req_entries - num_remain;
+
+fail_buf_unassign:
+	if (hw_cc) {
+		spin_lock_bh(&dp->rx_desc_lock);
+		list_del(&rx_desc->list);
+		list_add_tail(&rx_desc->list, &dp->rx_desc_free_list);
+		rx_desc->skb = NULL;
+		spin_unlock_bh(&dp->rx_desc_lock);
+	} else {
+		spin_lock_bh(&rx_ring->idr_lock);
+		idr_remove(&rx_ring->bufs_idr, buf_id);
+		spin_unlock_bh(&rx_ring->idr_lock);
+	}
+fail_dma_unmap:
+	dma_unmap_single(ab->dev, paddr, skb->len + skb_tailroom(skb),
+			 DMA_FROM_DEVICE);
+fail_free_skb:
+	dev_kfree_skb_any(skb);
+
+	ath12k_hal_srng_access_end(ab, srng);
+
+	spin_unlock_bh(&srng->lock);
+
+	return req_entries - num_remain;
+}
+
+static int ath12k_dp_rxdma_buf_ring_free(struct ath12k_base *ab,
+					 struct dp_rxdma_ring *rx_ring)
+{
+	struct sk_buff *skb;
+	int buf_id;
+
+	spin_lock_bh(&rx_ring->idr_lock);
+	idr_for_each_entry(&rx_ring->bufs_idr, skb, buf_id) {
+		idr_remove(&rx_ring->bufs_idr, buf_id);
+		/* TODO: Understand where internal driver does this dma_unmap
+		 * of rxdma_buffer.
+		 */
+		dma_unmap_single(ab->dev, ATH12K_SKB_RXCB(skb)->paddr,
+				 skb->len + skb_tailroom(skb), DMA_FROM_DEVICE);
+		dev_kfree_skb_any(skb);
+	}
+
+	idr_destroy(&rx_ring->bufs_idr);
+	spin_unlock_bh(&rx_ring->idr_lock);
+
+	return 0;
+}
+
+static int ath12k_dp_rxdma_buf_free(struct ath12k_base *ab)
+{
+	struct ath12k_dp *dp = &ab->dp;
+	struct dp_rxdma_ring *rx_ring = &dp->rx_refill_buf_ring;
+
+	ath12k_dp_rxdma_buf_ring_free(ab, rx_ring);
+
+	rx_ring = &dp->rxdma_mon_buf_ring;
+	ath12k_dp_rxdma_buf_ring_free(ab, rx_ring);
+
+	rx_ring = &dp->tx_mon_buf_ring;
+	ath12k_dp_rxdma_buf_ring_free(ab, rx_ring);
+
+	return 0;
+}
+
+static int ath12k_dp_rxdma_ring_buf_setup(struct ath12k_base *ab,
+					  struct dp_rxdma_ring *rx_ring,
+					  u32 ringtype)
+{
+	int num_entries;
+
+	num_entries = rx_ring->refill_buf_ring.size /
+		ath12k_hal_srng_get_entrysize(ab, ringtype);
+
+	rx_ring->bufs_max = num_entries;
+	if ((ringtype == HAL_RXDMA_MONITOR_BUF) || (ringtype == HAL_TX_MONITOR_BUF))
+		ath12k_dp_mon_buf_replenish(ab, rx_ring, num_entries);
+	else
+		ath12k_dp_rx_bufs_replenish(ab, 0, rx_ring, num_entries,
+					    ab->hw_params->hal_params->rx_buf_rbm,
+					    ringtype == HAL_RXDMA_BUF);
+	return 0;
+}
+
+static int ath12k_dp_rxdma_buf_setup(struct ath12k_base *ab)
+{
+	struct ath12k_dp *dp = &ab->dp;
+	struct dp_rxdma_ring *rx_ring = &dp->rx_refill_buf_ring;
+	int ret;
+
+	ret = ath12k_dp_rxdma_ring_buf_setup(ab, rx_ring,
+					     HAL_RXDMA_BUF);
+	if (ret) {
+		ath12k_warn(ab,
+			    "failed to setup HAL_RXDMA_BUF\n");
+		return ret;
+	}
+
+	if (ab->hw_params->rxdma1_enable) {
+		rx_ring = &dp->rxdma_mon_buf_ring;
+		ret = ath12k_dp_rxdma_ring_buf_setup(ab, rx_ring,
+						     HAL_RXDMA_MONITOR_BUF);
+		if (ret) {
+			ath12k_warn(ab,
+				    "failed to setup HAL_RXDMA_MONITOR_BUF\n");
+			return ret;
+		}
+
+		rx_ring = &dp->tx_mon_buf_ring;
+		ret = ath12k_dp_rxdma_ring_buf_setup(ab, rx_ring,
+						     HAL_TX_MONITOR_BUF);
+		if (ret) {
+			ath12k_warn(ab,
+				    "failed to setup HAL_TX_MONITOR_BUF\n");
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+static void ath12k_dp_rx_pdev_srng_free(struct ath12k *ar)
+{
+	struct ath12k_pdev_dp *dp = &ar->dp;
+	struct ath12k_base *ab = ar->ab;
+	int i;
+
+	for (i = 0; i < ab->hw_params->num_rxmda_per_pdev; i++) {
+		ath12k_dp_srng_cleanup(ab, &dp->rxdma_mon_dst_ring[i]);
+		ath12k_dp_srng_cleanup(ab, &dp->tx_mon_dst_ring[i]);
+	}
+}
+
+void ath12k_dp_rx_pdev_reo_cleanup(struct ath12k_base *ab)
+{
+	struct ath12k_dp *dp = &ab->dp;
+	int i;
+
+	for (i = 0; i < DP_REO_DST_RING_MAX; i++)
+		ath12k_dp_srng_cleanup(ab, &dp->reo_dst_ring[i]);
+}
+
+int ath12k_dp_rx_pdev_reo_setup(struct ath12k_base *ab)
+{
+	struct ath12k_dp *dp = &ab->dp;
+	int ret;
+	int i;
+
+	for (i = 0; i < DP_REO_DST_RING_MAX; i++) {
+		ret = ath12k_dp_srng_setup(ab, &dp->reo_dst_ring[i],
+					   HAL_REO_DST, i, 0,
+					   DP_REO_DST_RING_SIZE);
+		if (ret) {
+			ath12k_warn(ab, "failed to setup reo_dst_ring\n");
+			goto err_reo_cleanup;
+		}
+	}
+
+	return 0;
+
+err_reo_cleanup:
+	ath12k_dp_rx_pdev_reo_cleanup(ab);
+
+	return ret;
+}
+
+static int ath12k_dp_rx_pdev_srng_alloc(struct ath12k *ar)
+{
+	struct ath12k_pdev_dp *dp = &ar->dp;
+	struct ath12k_base *ab = ar->ab;
+	int i;
+	int ret;
+	u32 mac_id = dp->mac_id;
+
+	for (i = 0; i < ab->hw_params->num_rxmda_per_pdev; i++) {
+		ret = ath12k_dp_srng_setup(ar->ab,
+					   &dp->rxdma_mon_dst_ring[i],
+					   HAL_RXDMA_MONITOR_DST,
+					   0, mac_id + i,
+					   DP_RXDMA_MONITOR_DST_RING_SIZE);
+		if (ret) {
+			ath12k_warn(ar->ab,
+				    "failed to setup HAL_RXDMA_MONITOR_DST\n");
+			return ret;
+		}
+
+		ret = ath12k_dp_srng_setup(ar->ab,
+					   &dp->tx_mon_dst_ring[i],
+					   HAL_TX_MONITOR_DST,
+					   0, mac_id + i,
+					   DP_TX_MONITOR_DEST_RING_SIZE);
+		if (ret) {
+			ath12k_warn(ar->ab,
+				    "failed to setup HAL_TX_MONITOR_DST\n");
+			return ret;
+		}
+	}
+
+	return 0;
+}
+
+void ath12k_dp_rx_reo_cmd_list_cleanup(struct ath12k_base *ab)
+{
+	struct ath12k_dp *dp = &ab->dp;
+	struct ath12k_dp_rx_reo_cmd *cmd, *tmp;
+	struct ath12k_dp_rx_reo_cache_flush_elem *cmd_cache, *tmp_cache;
+
+	spin_lock_bh(&dp->reo_cmd_lock);
+	list_for_each_entry_safe(cmd, tmp, &dp->reo_cmd_list, list) {
+		list_del(&cmd->list);
+		dma_unmap_single(ab->dev, cmd->data.paddr,
+				 cmd->data.size, DMA_BIDIRECTIONAL);
+		kfree(cmd->data.vaddr);
+		kfree(cmd);
+	}
+
+	list_for_each_entry_safe(cmd_cache, tmp_cache,
+				 &dp->reo_cmd_cache_flush_list, list) {
+		list_del(&cmd_cache->list);
+		dp->reo_cmd_cache_flush_count--;
+		dma_unmap_single(ab->dev, cmd_cache->data.paddr,
+				 cmd_cache->data.size, DMA_BIDIRECTIONAL);
+		kfree(cmd_cache->data.vaddr);
+		kfree(cmd_cache);
+	}
+	spin_unlock_bh(&dp->reo_cmd_lock);
+}
+
+static void ath12k_dp_reo_cmd_free(struct ath12k_dp *dp, void *ctx,
+				   enum hal_reo_cmd_status status)
+{
+	struct ath12k_dp_rx_tid *rx_tid = ctx;
+
+	if (status != HAL_REO_CMD_SUCCESS)
+		ath12k_warn(dp->ab, "failed to flush rx tid hw desc, tid %d status %d\n",
+			    rx_tid->tid, status);
+
+	dma_unmap_single(dp->ab->dev, rx_tid->paddr, rx_tid->size,
+			 DMA_BIDIRECTIONAL);
+	kfree(rx_tid->vaddr);
+	rx_tid->vaddr = NULL;
+}
+
+static int ath12k_dp_reo_cmd_send(struct ath12k_base *ab, struct ath12k_dp_rx_tid *rx_tid,
+				  enum hal_reo_cmd_type type,
+				  struct ath12k_hal_reo_cmd *cmd,
+				  void (*cb)(struct ath12k_dp *dp, void *ctx,
+					     enum hal_reo_cmd_status status))
+{
+	struct ath12k_dp *dp = &ab->dp;
+	struct ath12k_dp_rx_reo_cmd *dp_cmd;
+	struct hal_srng *cmd_ring;
+	int cmd_num;
+
+	cmd_ring = &ab->hal.srng_list[dp->reo_cmd_ring.ring_id];
+	cmd_num = ath12k_hal_reo_cmd_send(ab, cmd_ring, type, cmd);
+
+	/* cmd_num should start from 1, during failure return the error code */
+	if (cmd_num < 0)
+		return cmd_num;
+
+	/* reo cmd ring descriptors has cmd_num starting from 1 */
+	if (cmd_num == 0)
+		return -EINVAL;
+
+	if (!cb)
+		return 0;
+
+	/* Can this be optimized so that we keep the pending command list only
+	 * for tid delete command to free up the resource on the command status
+	 * indication?
+	 */
+	dp_cmd = kzalloc(sizeof(*dp_cmd), GFP_ATOMIC);
+
+	if (!dp_cmd)
+		return -ENOMEM;
+
+	memcpy(&dp_cmd->data, rx_tid, sizeof(*rx_tid));
+	dp_cmd->cmd_num = cmd_num;
+	dp_cmd->handler = cb;
+
+	spin_lock_bh(&dp->reo_cmd_lock);
+	list_add_tail(&dp_cmd->list, &dp->reo_cmd_list);
+	spin_unlock_bh(&dp->reo_cmd_lock);
+
+	return 0;
+}
+
+static void ath12k_dp_reo_cache_flush(struct ath12k_base *ab,
+				      struct ath12k_dp_rx_tid *rx_tid)
+{
+	struct ath12k_hal_reo_cmd cmd = {0};
+	unsigned long tot_desc_sz, desc_sz;
+	int ret;
+
+	tot_desc_sz = rx_tid->size;
+	desc_sz = ath12k_hal_reo_qdesc_size(0, HAL_DESC_REO_NON_QOS_TID);
+
+	while (tot_desc_sz > desc_sz) {
+		tot_desc_sz -= desc_sz;
+		cmd.addr_lo = lower_32_bits(rx_tid->paddr + tot_desc_sz);
+		cmd.addr_hi = upper_32_bits(rx_tid->paddr);
+		ret = ath12k_dp_reo_cmd_send(ab, rx_tid,
+					     HAL_REO_CMD_FLUSH_CACHE, &cmd,
+					     NULL);
+		if (ret)
+			ath12k_warn(ab,
+				    "failed to send HAL_REO_CMD_FLUSH_CACHE, tid %d (%d)\n",
+				    rx_tid->tid, ret);
+	}
+
+	memset(&cmd, 0, sizeof(cmd));
+	cmd.addr_lo = lower_32_bits(rx_tid->paddr);
+	cmd.addr_hi = upper_32_bits(rx_tid->paddr);
+	cmd.flag = HAL_REO_CMD_FLG_NEED_STATUS;
+	ret = ath12k_dp_reo_cmd_send(ab, rx_tid,
+				     HAL_REO_CMD_FLUSH_CACHE,
+				     &cmd, ath12k_dp_reo_cmd_free);
+	if (ret) {
+		ath12k_err(ab, "failed to send HAL_REO_CMD_FLUSH_CACHE cmd, tid %d (%d)\n",
+			   rx_tid->tid, ret);
+		dma_unmap_single(ab->dev, rx_tid->paddr, rx_tid->size,
+				 DMA_BIDIRECTIONAL);
+		kfree(rx_tid->vaddr);
+		rx_tid->vaddr = NULL;
+	}
+}
+
+static void ath12k_dp_rx_tid_del_func(struct ath12k_dp *dp, void *ctx,
+				      enum hal_reo_cmd_status status)
+{
+	struct ath12k_base *ab = dp->ab;
+	struct ath12k_dp_rx_tid *rx_tid = ctx;
+	struct ath12k_dp_rx_reo_cache_flush_elem *elem, *tmp;
+
+	if (status == HAL_REO_CMD_DRAIN) {
+		goto free_desc;
+	} else if (status != HAL_REO_CMD_SUCCESS) {
+		/* Shouldn't happen! Cleanup in case of other failure? */
+		ath12k_warn(ab, "failed to delete rx tid %d hw descriptor %d\n",
+			    rx_tid->tid, status);
+		return;
+	}
+
+	elem = kzalloc(sizeof(*elem), GFP_ATOMIC);
+	if (!elem)
+		goto free_desc;
+
+	elem->ts = jiffies;
+	memcpy(&elem->data, rx_tid, sizeof(*rx_tid));
+
+	spin_lock_bh(&dp->reo_cmd_lock);
+	list_add_tail(&elem->list, &dp->reo_cmd_cache_flush_list);
+	dp->reo_cmd_cache_flush_count++;
+
+	/* Flush and invalidate aged REO desc from HW cache */
+	list_for_each_entry_safe(elem, tmp, &dp->reo_cmd_cache_flush_list,
+				 list) {
+		if (dp->reo_cmd_cache_flush_count > ATH12K_DP_RX_REO_DESC_FREE_THRES ||
+		    time_after(jiffies, elem->ts +
+			       msecs_to_jiffies(ATH12K_DP_RX_REO_DESC_FREE_TIMEOUT_MS))) {
+			list_del(&elem->list);
+			dp->reo_cmd_cache_flush_count--;
+
+			/* Unlock the reo_cmd_lock before using ath12k_dp_reo_cmd_send()
+			 * within ath12k_dp_reo_cache_flush. The reo_cmd_cache_flush_list
+			 * is used in only two contexts, one is in this function called
+			 * from napi and the other in ath12k_dp_free during core destroy.
+			 * Before dp_free, the irqs would be disabled and would wait to
+			 * synchronize. Hence there wouldn’t be any race against add or
+			 * delete to this list. Hence unlock-lock is safe here.
+			 */
+			spin_unlock_bh(&dp->reo_cmd_lock);
+
+			ath12k_dp_reo_cache_flush(ab, &elem->data);
+			kfree(elem);
+			spin_lock_bh(&dp->reo_cmd_lock);
+		}
+	}
+	spin_unlock_bh(&dp->reo_cmd_lock);
+
+	return;
+free_desc:
+	dma_unmap_single(ab->dev, rx_tid->paddr, rx_tid->size,
+			 DMA_BIDIRECTIONAL);
+	kfree(rx_tid->vaddr);
+	rx_tid->vaddr = NULL;
+}
+
+static void ath12k_peer_rx_tid_qref_setup(struct ath12k_base *ab, u16 peer_id, u16 tid,
+					  dma_addr_t paddr)
+{
+	struct ath12k_reo_queue_ref *qref;
+	struct ath12k_dp *dp = &ab->dp;
+
+	if (!ab->hw_params->reoq_lut_support)
+		return;
+
+	/* TODO: based on ML peer or not, select the LUT. below assumes non
+	 * ML peer
+	 */
+	qref = (struct ath12k_reo_queue_ref *)dp->reoq_lut.vaddr +
+			(peer_id * (IEEE80211_NUM_TIDS + 1) + tid);
+
+	qref->info0 = u32_encode_bits(lower_32_bits(paddr),
+				      BUFFER_ADDR_INFO0_ADDR);
+	qref->info1 = u32_encode_bits(upper_32_bits(paddr),
+				      BUFFER_ADDR_INFO1_ADDR) |
+		      u32_encode_bits(tid, DP_REO_QREF_NUM);
+}
+
+static void ath12k_peer_rx_tid_qref_reset(struct ath12k_base *ab, u16 peer_id, u16 tid)
+{
+	struct ath12k_reo_queue_ref *qref;
+	struct ath12k_dp *dp = &ab->dp;
+
+	if (!ab->hw_params->reoq_lut_support)
+		return;
+
+	/* TODO: based on ML peer or not, select the LUT. below assumes non
+	 * ML peer
+	 */
+	qref = (struct ath12k_reo_queue_ref *)dp->reoq_lut.vaddr +
+			(peer_id * (IEEE80211_NUM_TIDS + 1) + tid);
+
+	qref->info0 = u32_encode_bits(0, BUFFER_ADDR_INFO0_ADDR);
+	qref->info1 = u32_encode_bits(0, BUFFER_ADDR_INFO1_ADDR) |
+		      u32_encode_bits(tid, DP_REO_QREF_NUM);
+}
+
+void ath12k_dp_rx_peer_tid_delete(struct ath12k *ar,
+				  struct ath12k_peer *peer, u8 tid)
+{
+	struct ath12k_hal_reo_cmd cmd = {0};
+	struct ath12k_dp_rx_tid *rx_tid = &peer->rx_tid[tid];
+	int ret;
+
+	if (!rx_tid->active)
+		return;
+
+	cmd.flag = HAL_REO_CMD_FLG_NEED_STATUS;
+	cmd.addr_lo = lower_32_bits(rx_tid->paddr);
+	cmd.addr_hi = upper_32_bits(rx_tid->paddr);
+	cmd.upd0 = HAL_REO_CMD_UPD0_VLD;
+	ret = ath12k_dp_reo_cmd_send(ar->ab, rx_tid,
+				     HAL_REO_CMD_UPDATE_RX_QUEUE, &cmd,
+				     ath12k_dp_rx_tid_del_func);
+	if (ret) {
+		ath12k_err(ar->ab, "failed to send HAL_REO_CMD_UPDATE_RX_QUEUE cmd, tid %d (%d)\n",
+			   tid, ret);
+		dma_unmap_single(ar->ab->dev, rx_tid->paddr, rx_tid->size,
+				 DMA_BIDIRECTIONAL);
+		kfree(rx_tid->vaddr);
+		rx_tid->vaddr = NULL;
+	}
+
+	ath12k_peer_rx_tid_qref_reset(ar->ab, peer->peer_id, tid);
+
+	rx_tid->active = false;
+}
+
+/* TODO: it's strange (and ugly) that struct hal_reo_dest_ring is converted
+ * to struct hal_wbm_release_ring, I couldn't figure out the logic behind
+ * that.
+ */
+static int ath12k_dp_rx_link_desc_return(struct ath12k_base *ab,
+					 struct hal_reo_dest_ring *ring,
+					 enum hal_wbm_rel_bm_act action)
+{
+	struct hal_wbm_release_ring *link_desc = (struct hal_wbm_release_ring *)ring;
+	struct hal_wbm_release_ring *desc;
+	struct ath12k_dp *dp = &ab->dp;
+	struct hal_srng *srng;
+	int ret = 0;
+
+	srng = &ab->hal.srng_list[dp->wbm_desc_rel_ring.ring_id];
+
+	spin_lock_bh(&srng->lock);
+
+	ath12k_hal_srng_access_begin(ab, srng);
+
+	desc = ath12k_hal_srng_src_get_next_entry(ab, srng);
+	if (!desc) {
+		ret = -ENOBUFS;
+		goto exit;
+	}
+
+	ath12k_hal_rx_msdu_link_desc_set(ab, desc, link_desc, action);
+
+exit:
+	ath12k_hal_srng_access_end(ab, srng);
+
+	spin_unlock_bh(&srng->lock);
+
+	return ret;
+}
+
+static void ath12k_dp_rx_frags_cleanup(struct ath12k_dp_rx_tid *rx_tid,
+				       bool rel_link_desc)
+{
+	struct ath12k_base *ab = rx_tid->ab;
+
+	lockdep_assert_held(&ab->base_lock);
+
+	if (rx_tid->dst_ring_desc) {
+		if (rel_link_desc)
+			ath12k_dp_rx_link_desc_return(ab, rx_tid->dst_ring_desc,
+						      HAL_WBM_REL_BM_ACT_PUT_IN_IDLE);
+		kfree(rx_tid->dst_ring_desc);
+		rx_tid->dst_ring_desc = NULL;
+	}
+
+	rx_tid->cur_sn = 0;
+	rx_tid->last_frag_no = 0;
+	rx_tid->rx_frag_bitmap = 0;
+	__skb_queue_purge(&rx_tid->rx_frags);
+}
+
+void ath12k_dp_rx_peer_tid_cleanup(struct ath12k *ar, struct ath12k_peer *peer)
+{
+	struct ath12k_dp_rx_tid *rx_tid;
+	int i;
+
+	lockdep_assert_held(&ar->ab->base_lock);
+
+	for (i = 0; i <= IEEE80211_NUM_TIDS; i++) {
+		rx_tid = &peer->rx_tid[i];
+
+		ath12k_dp_rx_peer_tid_delete(ar, peer, i);
+		ath12k_dp_rx_frags_cleanup(rx_tid, true);
+
+		spin_unlock_bh(&ar->ab->base_lock);
+		del_timer_sync(&rx_tid->frag_timer);
+		spin_lock_bh(&ar->ab->base_lock);
+	}
+}
+
+static int ath12k_peer_rx_tid_reo_update(struct ath12k *ar,
+					 struct ath12k_peer *peer,
+					 struct ath12k_dp_rx_tid *rx_tid,
+					 u32 ba_win_sz, u16 ssn,
+					 bool update_ssn)
+{
+	struct ath12k_hal_reo_cmd cmd = {0};
+	int ret;
+
+	cmd.addr_lo = lower_32_bits(rx_tid->paddr);
+	cmd.addr_hi = upper_32_bits(rx_tid->paddr);
+	cmd.flag = HAL_REO_CMD_FLG_NEED_STATUS;
+	cmd.upd0 = HAL_REO_CMD_UPD0_BA_WINDOW_SIZE;
+	cmd.ba_window_size = ba_win_sz;
+
+	if (update_ssn) {
+		cmd.upd0 |= HAL_REO_CMD_UPD0_SSN;
+		cmd.upd2 = u32_encode_bits(ssn, HAL_REO_CMD_UPD2_SSN);
+	}
+
+	ret = ath12k_dp_reo_cmd_send(ar->ab, rx_tid,
+				     HAL_REO_CMD_UPDATE_RX_QUEUE, &cmd,
+				     NULL);
+	if (ret) {
+		ath12k_warn(ar->ab, "failed to update rx tid queue, tid %d (%d)\n",
+			    rx_tid->tid, ret);
+		return ret;
+	}
+
+	rx_tid->ba_win_sz = ba_win_sz;
+
+	return 0;
+}
+
+int ath12k_dp_rx_peer_tid_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_id,
+				u8 tid, u32 ba_win_sz, u16 ssn,
+				enum hal_pn_type pn_type)
+{
+	struct ath12k_base *ab = ar->ab;
+	struct ath12k_dp *dp = &ab->dp;
+	struct hal_rx_reo_queue *addr_aligned;
+	struct ath12k_peer *peer;
+	struct ath12k_dp_rx_tid *rx_tid;
+	u32 hw_desc_sz;
+	void *vaddr;
+	dma_addr_t paddr;
+	int ret;
+
+	spin_lock_bh(&ab->base_lock);
+
+	peer = ath12k_peer_find(ab, vdev_id, peer_mac);
+	if (!peer) {
+		spin_unlock_bh(&ab->base_lock);
+		ath12k_warn(ab, "failed to find the peer to set up rx tid\n");
+		return -ENOENT;
+	}
+
+	if (ab->hw_params->reoq_lut_support && !dp->reoq_lut.vaddr) {
+		spin_unlock_bh(&ab->base_lock);
+		ath12k_warn(ab, "reo qref table is not setup\n");
+		return -EINVAL;
+	}
+
+	if (peer->peer_id > DP_MAX_PEER_ID || tid > IEEE80211_NUM_TIDS) {
+		ath12k_warn(ab, "peer id of peer %d or tid %d doesn't allow reoq setup\n",
+			    peer->peer_id, tid);
+		spin_unlock_bh(&ab->base_lock);
+		return -EINVAL;
+	}
+
+	rx_tid = &peer->rx_tid[tid];
+	/* Update the tid queue if it is already setup */
+	if (rx_tid->active) {
+		paddr = rx_tid->paddr;
+		ret = ath12k_peer_rx_tid_reo_update(ar, peer, rx_tid,
+						    ba_win_sz, ssn, true);
+		spin_unlock_bh(&ab->base_lock);
+		if (ret) {
+			ath12k_warn(ab, "failed to update reo for rx tid %d\n", tid);
+			return ret;
+		}
+
+		return ret;
+	}
+
+	rx_tid->tid = tid;
+
+	rx_tid->ba_win_sz = ba_win_sz;
+
+	/* TODO: Optimize the memory allocation for qos tid based on
+	 * the actual BA window size in REO tid update path.
+	 */
+	if (tid == HAL_DESC_REO_NON_QOS_TID)
+		hw_desc_sz = ath12k_hal_reo_qdesc_size(ba_win_sz, tid);
+	else
+		hw_desc_sz = ath12k_hal_reo_qdesc_size(DP_BA_WIN_SZ_MAX, tid);
+
+	vaddr = kzalloc(hw_desc_sz + HAL_LINK_DESC_ALIGN - 1, GFP_ATOMIC);
+	if (!vaddr) {
+		spin_unlock_bh(&ab->base_lock);
+		return -ENOMEM;
+	}
+
+	addr_aligned = PTR_ALIGN(vaddr, HAL_LINK_DESC_ALIGN);
+
+	ath12k_hal_reo_qdesc_setup(addr_aligned, tid, ba_win_sz,
+				   ssn, pn_type);
+
+	paddr = dma_map_single(ab->dev, addr_aligned, hw_desc_sz,
+			       DMA_BIDIRECTIONAL);
+
+	ret = dma_mapping_error(ab->dev, paddr);
+	if (ret) {
+		spin_unlock_bh(&ab->base_lock);
+		goto err_mem_free;
+	}
+
+	rx_tid->vaddr = vaddr;
+	rx_tid->paddr = paddr;
+	rx_tid->size = hw_desc_sz;
+	rx_tid->active = true;
+
+	if (ab->hw_params->reoq_lut_support) {
+		/* Update the REO queue LUT at the corresponding peer id
+		 * and tid with qaddr.
+		 */
+		ath12k_peer_rx_tid_qref_setup(ab, peer->peer_id, tid, paddr);
+		spin_unlock_bh(&ab->base_lock);
+	} else {
+		spin_unlock_bh(&ab->base_lock);
+		ret = ath12k_wmi_peer_rx_reorder_queue_setup(ar, vdev_id, peer_mac,
+							     paddr, tid, 1, ba_win_sz);
+	}
+
+	return ret;
+
+err_mem_free:
+	kfree(vaddr);
+
+	return ret;
+}
+
+int ath12k_dp_rx_ampdu_start(struct ath12k *ar,
+			     struct ieee80211_ampdu_params *params)
+{
+	struct ath12k_base *ab = ar->ab;
+	struct ath12k_sta *arsta = (void *)params->sta->drv_priv;
+	int vdev_id = arsta->arvif->vdev_id;
+	int ret;
+
+	ret = ath12k_dp_rx_peer_tid_setup(ar, params->sta->addr, vdev_id,
+					  params->tid, params->buf_size,
+					  params->ssn, arsta->pn_type);
+	if (ret)
+		ath12k_warn(ab, "failed to setup rx tid %d\n", ret);
+
+	return ret;
+}
+
+int ath12k_dp_rx_ampdu_stop(struct ath12k *ar,
+			    struct ieee80211_ampdu_params *params)
+{
+	struct ath12k_base *ab = ar->ab;
+	struct ath12k_peer *peer;
+	struct ath12k_sta *arsta = (void *)params->sta->drv_priv;
+	int vdev_id = arsta->arvif->vdev_id;
+	bool active;
+	int ret;
+
+	spin_lock_bh(&ab->base_lock);
+
+	peer = ath12k_peer_find(ab, vdev_id, params->sta->addr);
+	if (!peer) {
+		spin_unlock_bh(&ab->base_lock);
+		ath12k_warn(ab, "failed to find the peer to stop rx aggregation\n");
+		return -ENOENT;
+	}
+
+	active = peer->rx_tid[params->tid].active;
+
+	if (!active) {
+		spin_unlock_bh(&ab->base_lock);
+		return 0;
+	}
+
+	ret = ath12k_peer_rx_tid_reo_update(ar, peer, peer->rx_tid, 1, 0, false);
+	spin_unlock_bh(&ab->base_lock);
+	if (ret) {
+		ath12k_warn(ab, "failed to update reo for rx tid %d: %d\n",
+			    params->tid, ret);
+		return ret;
+	}
+
+	return ret;
+}
+
+int ath12k_dp_rx_peer_pn_replay_config(struct ath12k_vif *arvif,
+				       const u8 *peer_addr,
+				       enum set_key_cmd key_cmd,
+				       struct ieee80211_key_conf *key)
+{
+	struct ath12k *ar = arvif->ar;
+	struct ath12k_base *ab = ar->ab;
+	struct ath12k_hal_reo_cmd cmd = {0};
+	struct ath12k_peer *peer;
+	struct ath12k_dp_rx_tid *rx_tid;
+	u8 tid;
+	int ret = 0;
+
+	/* NOTE: Enable PN/TSC replay check offload only for unicast frames.
+	 * We use mac80211 PN/TSC replay check functionality for bcast/mcast
+	 * for now.
+	 */
+	if (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
+		return 0;
+
+	cmd.flag = HAL_REO_CMD_FLG_NEED_STATUS;
+	cmd.upd0 = HAL_REO_CMD_UPD0_PN |
+		    HAL_REO_CMD_UPD0_PN_SIZE |
+		    HAL_REO_CMD_UPD0_PN_VALID |
+		    HAL_REO_CMD_UPD0_PN_CHECK |
+		    HAL_REO_CMD_UPD0_SVLD;
+
+	switch (key->cipher) {
+	case WLAN_CIPHER_SUITE_TKIP:
+	case WLAN_CIPHER_SUITE_CCMP:
+	case WLAN_CIPHER_SUITE_CCMP_256:
+	case WLAN_CIPHER_SUITE_GCMP:
+	case WLAN_CIPHER_SUITE_GCMP_256:
+		if (key_cmd == SET_KEY) {
+			cmd.upd1 |= HAL_REO_CMD_UPD1_PN_CHECK;
+			cmd.pn_size = 48;
+		}
+		break;
+	default:
+		break;
+	}
+
+	spin_lock_bh(&ab->base_lock);
+
+	peer = ath12k_peer_find(ab, arvif->vdev_id, peer_addr);
+	if (!peer) {
+		spin_unlock_bh(&ab->base_lock);
+		ath12k_warn(ab, "failed to find the peer %pM to configure pn replay detection\n",
+			    peer_addr);
+		return -ENOENT;
+	}
+
+	for (tid = 0; tid <= IEEE80211_NUM_TIDS; tid++) {
+		rx_tid = &peer->rx_tid[tid];
+		if (!rx_tid->active)
+			continue;
+		cmd.addr_lo = lower_32_bits(rx_tid->paddr);
+		cmd.addr_hi = upper_32_bits(rx_tid->paddr);
+		ret = ath12k_dp_reo_cmd_send(ab, rx_tid,
+					     HAL_REO_CMD_UPDATE_RX_QUEUE,
+					     &cmd, NULL);
+		if (ret) {
+			ath12k_warn(ab, "failed to configure rx tid %d queue of peer %pM for pn replay detection %d\n",
+				    tid, peer_addr, ret);
+			break;
+		}
+	}
+
+	spin_unlock_bh(&ab->base_lock);
+
+	return ret;
+}
+
+static int ath12k_get_ppdu_user_index(struct htt_ppdu_stats *ppdu_stats,
+				      u16 peer_id)
+{
+	int i;
+
+	for (i = 0; i < HTT_PPDU_STATS_MAX_USERS - 1; i++) {
+		if (ppdu_stats->user_stats[i].is_valid_peer_id) {
+			if (peer_id == ppdu_stats->user_stats[i].peer_id)
+				return i;
+		} else {
+			return i;
+		}
+	}
+
+	return -EINVAL;
+}
+
+static int ath12k_htt_tlv_ppdu_stats_parse(struct ath12k_base *ab,
+					   u16 tag, u16 len, const void *ptr,
+					   void *data)
+{
+	const struct htt_ppdu_stats_usr_cmpltn_ack_ba_status *ba_status;
+	const struct htt_ppdu_stats_usr_cmpltn_cmn *cmplt_cmn;
+	const struct htt_ppdu_stats_user_rate *user_rate;
+	struct htt_ppdu_stats_info *ppdu_info;
+	struct htt_ppdu_user_stats *user_stats;
+	int cur_user;
+	u16 peer_id;
+
+	ppdu_info = data;
+
+	switch (tag) {
+	case HTT_PPDU_STATS_TAG_COMMON:
+		if (len < sizeof(struct htt_ppdu_stats_common)) {
+			ath12k_warn(ab, "Invalid len %d for the tag 0x%x\n",
+				    len, tag);
+			return -EINVAL;
+		}
+		memcpy(&ppdu_info->ppdu_stats.common, ptr,
+		       sizeof(struct htt_ppdu_stats_common));
+		break;
+	case HTT_PPDU_STATS_TAG_USR_RATE:
+		if (len < sizeof(struct htt_ppdu_stats_user_rate)) {
+			ath12k_warn(ab, "Invalid len %d for the tag 0x%x\n",
+				    len, tag);
+			return -EINVAL;
+		}
+		user_rate = ptr;
+		peer_id = le16_to_cpu(user_rate->sw_peer_id);
+		cur_user = ath12k_get_ppdu_user_index(&ppdu_info->ppdu_stats,
+						      peer_id);
+		if (cur_user < 0)
+			return -EINVAL;
+		user_stats = &ppdu_info->ppdu_stats.user_stats[cur_user];
+		user_stats->peer_id = peer_id;
+		user_stats->is_valid_peer_id = true;
+		memcpy(&user_stats->rate, ptr,
+		       sizeof(struct htt_ppdu_stats_user_rate));
+		user_stats->tlv_flags |= BIT(tag);
+		break;
+	case HTT_PPDU_STATS_TAG_USR_COMPLTN_COMMON:
+		if (len < sizeof(struct htt_ppdu_stats_usr_cmpltn_cmn)) {
+			ath12k_warn(ab, "Invalid len %d for the tag 0x%x\n",
+				    len, tag);
+			return -EINVAL;
+		}
+
+		cmplt_cmn = ptr;
+		peer_id = le16_to_cpu(cmplt_cmn->sw_peer_id);
+		cur_user = ath12k_get_ppdu_user_index(&ppdu_info->ppdu_stats,
+						      peer_id);
+		if (cur_user < 0)
+			return -EINVAL;
+		user_stats = &ppdu_info->ppdu_stats.user_stats[cur_user];
+		user_stats->peer_id = peer_id;
+		user_stats->is_valid_peer_id = true;
+		memcpy(&user_stats->cmpltn_cmn, ptr,
+		       sizeof(struct htt_ppdu_stats_usr_cmpltn_cmn));
+		user_stats->tlv_flags |= BIT(tag);
+		break;
+	case HTT_PPDU_STATS_TAG_USR_COMPLTN_ACK_BA_STATUS:
+		if (len <
+		    sizeof(struct htt_ppdu_stats_usr_cmpltn_ack_ba_status)) {
+			ath12k_warn(ab, "Invalid len %d for the tag 0x%x\n",
+				    len, tag);
+			return -EINVAL;
+		}
+
+		ba_status = ptr;
+		peer_id = le16_to_cpu(ba_status->sw_peer_id);
+		cur_user = ath12k_get_ppdu_user_index(&ppdu_info->ppdu_stats,
+						      peer_id);
+		if (cur_user < 0)
+			return -EINVAL;
+		user_stats = &ppdu_info->ppdu_stats.user_stats[cur_user];
+		user_stats->peer_id = peer_id;
+		user_stats->is_valid_peer_id = true;
+		memcpy(&user_stats->ack_ba, ptr,
+		       sizeof(struct htt_ppdu_stats_usr_cmpltn_ack_ba_status));
+		user_stats->tlv_flags |= BIT(tag);
+		break;
+	}
+	return 0;
+}
+
+static int ath12k_dp_htt_tlv_iter(struct ath12k_base *ab, const void *ptr, size_t len,
+				  int (*iter)(struct ath12k_base *ar, u16 tag, u16 len,
+					      const void *ptr, void *data),
+				  void *data)
+{
+	const struct htt_tlv *tlv;
+	const void *begin = ptr;
+	u16 tlv_tag, tlv_len;
+	int ret = -EINVAL;
+
+	while (len > 0) {
+		if (len < sizeof(*tlv)) {
+			ath12k_err(ab, "htt tlv parse failure at byte %zd (%zu bytes left, %zu expected)\n",
+				   ptr - begin, len, sizeof(*tlv));
+			return -EINVAL;
+		}
+		tlv = (struct htt_tlv *)ptr;
+		tlv_tag = le32_get_bits(tlv->header, HTT_TLV_TAG);
+		tlv_len = le32_get_bits(tlv->header, HTT_TLV_LEN);
+		ptr += sizeof(*tlv);
+		len -= sizeof(*tlv);
+
+		if (tlv_len > len) {
+			ath12k_err(ab, "htt tlv parse failure of tag %u at byte %zd (%zu bytes left, %u expected)\n",
+				   tlv_tag, ptr - begin, len, tlv_len);
+			return -EINVAL;
+		}
+		ret = iter(ab, tlv_tag, tlv_len, ptr, data);
+		if (ret == -ENOMEM)
+			return ret;
+
+		ptr += tlv_len;
+		len -= tlv_len;
+	}
+	return 0;
+}
+
+static void
+ath12k_update_per_peer_tx_stats(struct ath12k *ar,
+				struct htt_ppdu_stats *ppdu_stats, u8 user)
+{
+	struct ath12k_base *ab = ar->ab;
+	struct ath12k_peer *peer;
+	struct ieee80211_sta *sta;
+	struct ath12k_sta *arsta;
+	struct htt_ppdu_stats_user_rate *user_rate;
+	struct ath12k_per_peer_tx_stats *peer_stats = &ar->peer_tx_stats;
+	struct htt_ppdu_user_stats *usr_stats = &ppdu_stats->user_stats[user];
+	struct htt_ppdu_stats_common *common = &ppdu_stats->common;
+	int ret;
+	u8 flags, mcs, nss, bw, sgi, dcm, rate_idx = 0;
+	u32 v, succ_bytes = 0;
+	u16 tones, rate = 0, succ_pkts = 0;
+	u32 tx_duration = 0;
+	u8 tid = HTT_PPDU_STATS_NON_QOS_TID;
+	bool is_ampdu = false;
+
+	if (!usr_stats)
+		return;
+
+	if (!(usr_stats->tlv_flags & BIT(HTT_PPDU_STATS_TAG_USR_RATE)))
+		return;
+
+	if (usr_stats->tlv_flags & BIT(HTT_PPDU_STATS_TAG_USR_COMPLTN_COMMON))
+		is_ampdu =
+			HTT_USR_CMPLTN_IS_AMPDU(usr_stats->cmpltn_cmn.flags);
+
+	if (usr_stats->tlv_flags &
+	    BIT(HTT_PPDU_STATS_TAG_USR_COMPLTN_ACK_BA_STATUS)) {
+		succ_bytes = le32_to_cpu(usr_stats->ack_ba.success_bytes);
+		succ_pkts = le32_get_bits(usr_stats->ack_ba.info,
+					  HTT_PPDU_STATS_ACK_BA_INFO_NUM_MSDU_M);
+		tid = le32_get_bits(usr_stats->ack_ba.info,
+				    HTT_PPDU_STATS_ACK_BA_INFO_TID_NUM);
+	}
+
+	if (common->fes_duration_us)
+		tx_duration = le32_to_cpu(common->fes_duration_us);
+
+	user_rate = &usr_stats->rate;
+	flags = HTT_USR_RATE_PREAMBLE(user_rate->rate_flags);
+	bw = HTT_USR_RATE_BW(user_rate->rate_flags) - 2;
+	nss = HTT_USR_RATE_NSS(user_rate->rate_flags) + 1;
+	mcs = HTT_USR_RATE_MCS(user_rate->rate_flags);
+	sgi = HTT_USR_RATE_GI(user_rate->rate_flags);
+	dcm = HTT_USR_RATE_DCM(user_rate->rate_flags);
+
+	/* Note: If host configured fixed rates and in some other special
+	 * cases, the broadcast/management frames are sent in different rates.
+	 * Firmware rate's control to be skipped for this?
+	 */
+
+	if (flags == WMI_RATE_PREAMBLE_HE && mcs > 11) {
+		ath12k_warn(ab, "Invalid HE mcs %d peer stats",  mcs);
+		return;
+	}
+
+	if (flags == WMI_RATE_PREAMBLE_HE && mcs > ATH12K_HE_MCS_MAX) {
+		ath12k_warn(ab, "Invalid HE mcs %d peer stats",  mcs);
+		return;
+	}
+
+	if (flags == WMI_RATE_PREAMBLE_VHT && mcs > ATH12K_VHT_MCS_MAX) {
+		ath12k_warn(ab, "Invalid VHT mcs %d peer stats",  mcs);
+		return;
+	}
+
+	if (flags == WMI_RATE_PREAMBLE_HT && (mcs > ATH12K_HT_MCS_MAX || nss < 1)) {
+		ath12k_warn(ab, "Invalid HT mcs %d nss %d peer stats",
+			    mcs, nss);
+		return;
+	}
+
+	if (flags == WMI_RATE_PREAMBLE_CCK || flags == WMI_RATE_PREAMBLE_OFDM) {
+		ret = ath12k_mac_hw_ratecode_to_legacy_rate(mcs,
+							    flags,
+							    &rate_idx,
+							    &rate);
+		if (ret < 0)
+			return;
+	}
+
+	rcu_read_lock();
+	spin_lock_bh(&ab->base_lock);
+	peer = ath12k_peer_find_by_id(ab, usr_stats->peer_id);
+
+	if (!peer || !peer->sta) {
+		spin_unlock_bh(&ab->base_lock);
+		rcu_read_unlock();
+		return;
+	}
+
+	sta = peer->sta;
+	arsta = (struct ath12k_sta *)sta->drv_priv;
+
+	memset(&arsta->txrate, 0, sizeof(arsta->txrate));
+
+	switch (flags) {
+	case WMI_RATE_PREAMBLE_OFDM:
+		arsta->txrate.legacy = rate;
+		break;
+	case WMI_RATE_PREAMBLE_CCK:
+		arsta->txrate.legacy = rate;
+		break;
+	case WMI_RATE_PREAMBLE_HT:
+		arsta->txrate.mcs = mcs + 8 * (nss - 1);
+		arsta->txrate.flags = RATE_INFO_FLAGS_MCS;
+		if (sgi)
+			arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
+		break;
+	case WMI_RATE_PREAMBLE_VHT:
+		arsta->txrate.mcs = mcs;
+		arsta->txrate.flags = RATE_INFO_FLAGS_VHT_MCS;
+		if (sgi)
+			arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
+		break;
+	case WMI_RATE_PREAMBLE_HE:
+		arsta->txrate.mcs = mcs;
+		arsta->txrate.flags = RATE_INFO_FLAGS_HE_MCS;
+		arsta->txrate.he_dcm = dcm;
+		arsta->txrate.he_gi = ath12k_he_gi_to_nl80211_he_gi(sgi);
+		tones = le16_to_cpu(user_rate->ru_end) -
+			le16_to_cpu(user_rate->ru_start) + 1;
+		v = ath12k_he_ru_tones_to_nl80211_he_ru_alloc(tones);
+		arsta->txrate.he_ru_alloc = v;
+		break;
+	}
+
+	arsta->txrate.nss = nss;
+	arsta->txrate.bw = ath12k_mac_bw_to_mac80211_bw(bw);
+	arsta->tx_duration += tx_duration;
+	memcpy(&arsta->last_txrate, &arsta->txrate, sizeof(struct rate_info));
+
+	/* PPDU stats reported for mgmt packet doesn't have valid tx bytes.
+	 * So skip peer stats update for mgmt packets.
+	 */
+	if (tid < HTT_PPDU_STATS_NON_QOS_TID) {
+		memset(peer_stats, 0, sizeof(*peer_stats));
+		peer_stats->succ_pkts = succ_pkts;
+		peer_stats->succ_bytes = succ_bytes;
+		peer_stats->is_ampdu = is_ampdu;
+		peer_stats->duration = tx_duration;
+		peer_stats->ba_fails =
+			HTT_USR_CMPLTN_LONG_RETRY(usr_stats->cmpltn_cmn.flags) +
+			HTT_USR_CMPLTN_SHORT_RETRY(usr_stats->cmpltn_cmn.flags);
+	}
+
+	spin_unlock_bh(&ab->base_lock);
+	rcu_read_unlock();
+}
+
+static void ath12k_htt_update_ppdu_stats(struct ath12k *ar,
+					 struct htt_ppdu_stats *ppdu_stats)
+{
+	u8 user;
+
+	for (user = 0; user < HTT_PPDU_STATS_MAX_USERS - 1; user++)
+		ath12k_update_per_peer_tx_stats(ar, ppdu_stats, user);
+}
+
+static
+struct htt_ppdu_stats_info *ath12k_dp_htt_get_ppdu_desc(struct ath12k *ar,
+							u32 ppdu_id)
+{
+	struct htt_ppdu_stats_info *ppdu_info;
+
+	lockdep_assert_held(&ar->data_lock);
+	if (!list_empty(&ar->ppdu_stats_info)) {
+		list_for_each_entry(ppdu_info, &ar->ppdu_stats_info, list) {
+			if (ppdu_info->ppdu_id == ppdu_id)
+				return ppdu_info;
+		}
+
+		if (ar->ppdu_stat_list_depth > HTT_PPDU_DESC_MAX_DEPTH) {
+			ppdu_info = list_first_entry(&ar->ppdu_stats_info,
+						     typeof(*ppdu_info), list);
+			list_del(&ppdu_info->list);
+			ar->ppdu_stat_list_depth--;
+			ath12k_htt_update_ppdu_stats(ar, &ppdu_info->ppdu_stats);
+			kfree(ppdu_info);
+		}
+	}
+
+	ppdu_info = kzalloc(sizeof(*ppdu_info), GFP_ATOMIC);
+	if (!ppdu_info)
+		return NULL;
+
+	list_add_tail(&ppdu_info->list, &ar->ppdu_stats_info);
+	ar->ppdu_stat_list_depth++;
+
+	return ppdu_info;
+}
+
+static void ath12k_copy_to_delay_stats(struct ath12k_peer *peer,
+				       struct htt_ppdu_user_stats *usr_stats)
+{
+	peer->ppdu_stats_delayba.sw_peer_id = le16_to_cpu(usr_stats->rate.sw_peer_id);
+	peer->ppdu_stats_delayba.info0 = le32_to_cpu(usr_stats->rate.info0);
+	peer->ppdu_stats_delayba.ru_end = le16_to_cpu(usr_stats->rate.ru_end);
+	peer->ppdu_stats_delayba.ru_start = le16_to_cpu(usr_stats->rate.ru_start);
+	peer->ppdu_stats_delayba.info1 = le32_to_cpu(usr_stats->rate.info1);
+	peer->ppdu_stats_delayba.rate_flags = le32_to_cpu(usr_stats->rate.rate_flags);
+	peer->ppdu_stats_delayba.resp_rate_flags =
+		le32_to_cpu(usr_stats->rate.resp_rate_flags);
+
+	peer->delayba_flag = true;
+}
+
+static void ath12k_copy_to_bar(struct ath12k_peer *peer,
+			       struct htt_ppdu_user_stats *usr_stats)
+{
+	usr_stats->rate.sw_peer_id = cpu_to_le16(peer->ppdu_stats_delayba.sw_peer_id);
+	usr_stats->rate.info0 = cpu_to_le32(peer->ppdu_stats_delayba.info0);
+	usr_stats->rate.ru_end = cpu_to_le16(peer->ppdu_stats_delayba.ru_end);
+	usr_stats->rate.ru_start = cpu_to_le16(peer->ppdu_stats_delayba.ru_start);
+	usr_stats->rate.info1 = cpu_to_le32(peer->ppdu_stats_delayba.info1);
+	usr_stats->rate.rate_flags = cpu_to_le32(peer->ppdu_stats_delayba.rate_flags);
+	usr_stats->rate.resp_rate_flags =
+		cpu_to_le32(peer->ppdu_stats_delayba.resp_rate_flags);
+
+	peer->delayba_flag = false;
+}
+
+static int ath12k_htt_pull_ppdu_stats(struct ath12k_base *ab,
+				      struct sk_buff *skb)
+{
+	struct ath12k_htt_ppdu_stats_msg *msg;
+	struct htt_ppdu_stats_info *ppdu_info;
+	struct ath12k_peer *peer = NULL;
+	struct htt_ppdu_user_stats *usr_stats = NULL;
+	u32 peer_id = 0;
+	struct ath12k *ar;
+	int ret, i;
+	u8 pdev_id;
+	u32 ppdu_id, len;
+
+	msg = (struct ath12k_htt_ppdu_stats_msg *)skb->data;
+	len = le32_get_bits(msg->info, HTT_T2H_PPDU_STATS_INFO_PAYLOAD_SIZE);
+	pdev_id = le32_get_bits(msg->info, HTT_T2H_PPDU_STATS_INFO_PDEV_ID);
+	ppdu_id = le32_to_cpu(msg->ppdu_id);
+
+	rcu_read_lock();
+	ar = ath12k_mac_get_ar_by_pdev_id(ab, pdev_id);
+	if (!ar) {
+		ret = -EINVAL;
+		goto exit;
+	}
+
+	spin_lock_bh(&ar->data_lock);
+	ppdu_info = ath12k_dp_htt_get_ppdu_desc(ar, ppdu_id);
+	if (!ppdu_info) {
+		spin_unlock_bh(&ar->data_lock);
+		ret = -EINVAL;
+		goto exit;
+	}
+
+	ppdu_info->ppdu_id = ppdu_id;
+	ret = ath12k_dp_htt_tlv_iter(ab, msg->data, len,
+				     ath12k_htt_tlv_ppdu_stats_parse,
+				     (void *)ppdu_info);
+	if (ret) {
+		spin_unlock_bh(&ar->data_lock);
+		ath12k_warn(ab, "Failed to parse tlv %d\n", ret);
+		goto exit;
+	}
+
+	/* back up data rate tlv for all peers */
+	if (ppdu_info->frame_type == HTT_STATS_PPDU_FTYPE_DATA &&
+	    (ppdu_info->tlv_bitmap & (1 << HTT_PPDU_STATS_TAG_USR_COMMON)) &&
+	    ppdu_info->delay_ba) {
+		for (i = 0; i < ppdu_info->ppdu_stats.common.num_users; i++) {
+			peer_id = ppdu_info->ppdu_stats.user_stats[i].peer_id;
+			spin_lock_bh(&ab->base_lock);
+			peer = ath12k_peer_find_by_id(ab, peer_id);
+			if (!peer) {
+				spin_unlock_bh(&ab->base_lock);
+				continue;
+			}
+
+			usr_stats = &ppdu_info->ppdu_stats.user_stats[i];
+			if (usr_stats->delay_ba)
+				ath12k_copy_to_delay_stats(peer, usr_stats);
+			spin_unlock_bh(&ab->base_lock);
+		}
+	}
+
+	/* restore all peers' data rate tlv to mu-bar tlv */
+	if (ppdu_info->frame_type == HTT_STATS_PPDU_FTYPE_BAR &&
+	    (ppdu_info->tlv_bitmap & (1 << HTT_PPDU_STATS_TAG_USR_COMMON))) {
+		for (i = 0; i < ppdu_info->bar_num_users; i++) {
+			peer_id = ppdu_info->ppdu_stats.user_stats[i].peer_id;
+			spin_lock_bh(&ab->base_lock);
+			peer = ath12k_peer_find_by_id(ab, peer_id);
+			if (!peer) {
+				spin_unlock_bh(&ab->base_lock);
+				continue;
+			}
+
+			usr_stats = &ppdu_info->ppdu_stats.user_stats[i];
+			if (peer->delayba_flag)
+				ath12k_copy_to_bar(peer, usr_stats);
+			spin_unlock_bh(&ab->base_lock);
+		}
+	}
+
+	spin_unlock_bh(&ar->data_lock);
+
+exit:
+	rcu_read_unlock();
+
+	return ret;
+}
+
+static void ath12k_htt_mlo_offset_event_handler(struct ath12k_base *ab,
+						struct sk_buff *skb)
+{
+	struct ath12k_htt_mlo_offset_msg *msg;
+	struct ath12k_pdev *pdev;
+	struct ath12k *ar;
+	u8 pdev_id;
+
+	msg = (struct ath12k_htt_mlo_offset_msg *)skb->data;
+	pdev_id = u32_get_bits(__le32_to_cpu(msg->info),
+			       HTT_T2H_MLO_OFFSET_INFO_PDEV_ID);
+	ar = ath12k_mac_get_ar_by_pdev_id(ab, pdev_id);
+
+	if (!ar) {
+		ath12k_warn(ab, "invalid pdev id %d on htt mlo offset\n", pdev_id);
+		return;
+	}
+
+	spin_lock_bh(&ar->data_lock);
+	pdev = ar->pdev;
+
+	pdev->timestamp.info = __le32_to_cpu(msg->info);
+	pdev->timestamp.sync_timestamp_lo_us = __le32_to_cpu(msg->sync_timestamp_lo_us);
+	pdev->timestamp.sync_timestamp_hi_us = __le32_to_cpu(msg->sync_timestamp_hi_us);
+	pdev->timestamp.mlo_offset_lo = __le32_to_cpu(msg->mlo_offset_lo);
+	pdev->timestamp.mlo_offset_hi = __le32_to_cpu(msg->mlo_offset_hi);
+	pdev->timestamp.mlo_offset_clks = __le32_to_cpu(msg->mlo_offset_clks);
+	pdev->timestamp.mlo_comp_clks = __le32_to_cpu(msg->mlo_comp_clks);
+	pdev->timestamp.mlo_comp_timer = __le32_to_cpu(msg->mlo_comp_timer);
+
+	spin_unlock_bh(&ar->data_lock);
+}
+
+void ath12k_dp_htt_htc_t2h_msg_handler(struct ath12k_base *ab,
+				       struct sk_buff *skb)
+{
+	struct ath12k_dp *dp = &ab->dp;
+	struct htt_resp_msg *resp = (struct htt_resp_msg *)skb->data;
+	enum htt_t2h_msg_type type;
+	u16 peer_id;
+	u8 vdev_id;
+	u8 mac_addr[ETH_ALEN];
+	u16 peer_mac_h16;
+	u16 ast_hash = 0;
+	u16 hw_peer_id;
+
+	type = le32_get_bits(resp->version_msg.version, HTT_T2H_MSG_TYPE);
+
+	ath12k_dbg(ab, ATH12K_DBG_DP_HTT, "dp_htt rx msg type :0x%0x\n", type);
+
+	switch (type) {
+	case HTT_T2H_MSG_TYPE_VERSION_CONF:
+		dp->htt_tgt_ver_major = le32_get_bits(resp->version_msg.version,
+						      HTT_T2H_VERSION_CONF_MAJOR);
+		dp->htt_tgt_ver_minor = le32_get_bits(resp->version_msg.version,
+						      HTT_T2H_VERSION_CONF_MINOR);
+		complete(&dp->htt_tgt_version_received);
+		break;
+	/* TODO: remove unused peer map versions after testing */
+	case HTT_T2H_MSG_TYPE_PEER_MAP:
+		vdev_id = le32_get_bits(resp->peer_map_ev.info,
+					HTT_T2H_PEER_MAP_INFO_VDEV_ID);
+		peer_id = le32_get_bits(resp->peer_map_ev.info,
+					HTT_T2H_PEER_MAP_INFO_PEER_ID);
+		peer_mac_h16 = le32_get_bits(resp->peer_map_ev.info1,
+					     HTT_T2H_PEER_MAP_INFO1_MAC_ADDR_H16);
+		ath12k_dp_get_mac_addr(le32_to_cpu(resp->peer_map_ev.mac_addr_l32),
+				       peer_mac_h16, mac_addr);
+		ath12k_peer_map_event(ab, vdev_id, peer_id, mac_addr, 0, 0);
+		break;
+	case HTT_T2H_MSG_TYPE_PEER_MAP2:
+		vdev_id = le32_get_bits(resp->peer_map_ev.info,
+					HTT_T2H_PEER_MAP_INFO_VDEV_ID);
+		peer_id = le32_get_bits(resp->peer_map_ev.info,
+					HTT_T2H_PEER_MAP_INFO_PEER_ID);
+		peer_mac_h16 = le32_get_bits(resp->peer_map_ev.info1,
+					     HTT_T2H_PEER_MAP_INFO1_MAC_ADDR_H16);
+		ath12k_dp_get_mac_addr(le32_to_cpu(resp->peer_map_ev.mac_addr_l32),
+				       peer_mac_h16, mac_addr);
+		ast_hash = le32_get_bits(resp->peer_map_ev.info2,
+					 HTT_T2H_PEER_MAP_INFO2_AST_HASH_VAL);
+		hw_peer_id = le32_get_bits(resp->peer_map_ev.info1,
+					   HTT_T2H_PEER_MAP_INFO1_HW_PEER_ID);
+		ath12k_peer_map_event(ab, vdev_id, peer_id, mac_addr, ast_hash,
+				      hw_peer_id);
+		break;
+	case HTT_T2H_MSG_TYPE_PEER_MAP3:
+		vdev_id = le32_get_bits(resp->peer_map_ev.info,
+					HTT_T2H_PEER_MAP_INFO_VDEV_ID);
+		peer_id = le32_get_bits(resp->peer_map_ev.info,
+					HTT_T2H_PEER_MAP_INFO_PEER_ID);
+		peer_mac_h16 = le32_get_bits(resp->peer_map_ev.info1,
+					     HTT_T2H_PEER_MAP_INFO1_MAC_ADDR_H16);
+		ath12k_dp_get_mac_addr(le32_to_cpu(resp->peer_map_ev.mac_addr_l32),
+				       peer_mac_h16, mac_addr);
+		ath12k_peer_map_event(ab, vdev_id, peer_id, mac_addr, ast_hash,
+				      peer_id);
+		break;
+	case HTT_T2H_MSG_TYPE_PEER_UNMAP:
+	case HTT_T2H_MSG_TYPE_PEER_UNMAP2:
+		peer_id = le32_get_bits(resp->peer_unmap_ev.info,
+					HTT_T2H_PEER_UNMAP_INFO_PEER_ID);
+		ath12k_peer_unmap_event(ab, peer_id);
+		break;
+	case HTT_T2H_MSG_TYPE_PPDU_STATS_IND:
+		ath12k_htt_pull_ppdu_stats(ab, skb);
+		break;
+	case HTT_T2H_MSG_TYPE_EXT_STATS_CONF:
+		break;
+	case HTT_T2H_MSG_TYPE_MLO_TIMESTAMP_OFFSET_IND:
+		ath12k_htt_mlo_offset_event_handler(ab, skb);
+		break;
+	default:
+		ath12k_dbg(ab, ATH12K_DBG_DP_HTT, "dp_htt event %d not handled\n",
+			   type);
+		break;
+	}
+
+	dev_kfree_skb_any(skb);
+}
+
+static int ath12k_dp_rx_msdu_coalesce(struct ath12k *ar,
+				      struct sk_buff_head *msdu_list,
+				      struct sk_buff *first, struct sk_buff *last,
+				      u8 l3pad_bytes, int msdu_len)
+{
+	struct ath12k_base *ab = ar->ab;
+	struct sk_buff *skb;
+	struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(first);
+	int buf_first_hdr_len, buf_first_len;
+	struct hal_rx_desc *ldesc;
+	int space_extra, rem_len, buf_len;
+	u32 hal_rx_desc_sz = ar->ab->hw_params->hal_desc_sz;
+
+	/* As the msdu is spread across multiple rx buffers,
+	 * find the offset to the start of msdu for computing
+	 * the length of the msdu in the first buffer.
+	 */
+	buf_first_hdr_len = hal_rx_desc_sz + l3pad_bytes;
+	buf_first_len = DP_RX_BUFFER_SIZE - buf_first_hdr_len;
+
+	if (WARN_ON_ONCE(msdu_len <= buf_first_len)) {
+		skb_put(first, buf_first_hdr_len + msdu_len);
+		skb_pull(first, buf_first_hdr_len);
+		return 0;
+	}
+
+	ldesc = (struct hal_rx_desc *)last->data;
+	rxcb->is_first_msdu = ath12k_dp_rx_h_first_msdu(ab, ldesc);
+	rxcb->is_last_msdu = ath12k_dp_rx_h_last_msdu(ab, ldesc);
+
+	/* MSDU spans over multiple buffers because the length of the MSDU
+	 * exceeds DP_RX_BUFFER_SIZE - HAL_RX_DESC_SIZE. So assume the data
+	 * in the first buf is of length DP_RX_BUFFER_SIZE - HAL_RX_DESC_SIZE.
+	 */
+	skb_put(first, DP_RX_BUFFER_SIZE);
+	skb_pull(first, buf_first_hdr_len);
+
+	/* When an MSDU spread over multiple buffers MSDU_END
+	 * tlvs are valid only in the last buffer. Copy those tlvs.
+	 */
+	ath12k_dp_rx_desc_end_tlv_copy(ab, rxcb->rx_desc, ldesc);
+
+	space_extra = msdu_len - (buf_first_len + skb_tailroom(first));
+	if (space_extra > 0 &&
+	    (pskb_expand_head(first, 0, space_extra, GFP_ATOMIC) < 0)) {
+		/* Free up all buffers of the MSDU */
+		while ((skb = __skb_dequeue(msdu_list)) != NULL) {
+			rxcb = ATH12K_SKB_RXCB(skb);
+			if (!rxcb->is_continuation) {
+				dev_kfree_skb_any(skb);
+				break;
+			}
+			dev_kfree_skb_any(skb);
+		}
+		return -ENOMEM;
+	}
+
+	rem_len = msdu_len - buf_first_len;
+	while ((skb = __skb_dequeue(msdu_list)) != NULL && rem_len > 0) {
+		rxcb = ATH12K_SKB_RXCB(skb);
+		if (rxcb->is_continuation)
+			buf_len = DP_RX_BUFFER_SIZE - hal_rx_desc_sz;
+		else
+			buf_len = rem_len;
+
+		if (buf_len > (DP_RX_BUFFER_SIZE - hal_rx_desc_sz)) {
+			WARN_ON_ONCE(1);
+			dev_kfree_skb_any(skb);
+			return -EINVAL;
+		}
+
+		skb_put(skb, buf_len + hal_rx_desc_sz);
+		skb_pull(skb, hal_rx_desc_sz);
+		skb_copy_from_linear_data(skb, skb_put(first, buf_len),
+					  buf_len);
+		dev_kfree_skb_any(skb);
+
+		rem_len -= buf_len;
+		if (!rxcb->is_continuation)
+			break;
+	}
+
+	return 0;
+}
+
+static struct sk_buff *ath12k_dp_rx_get_msdu_last_buf(struct sk_buff_head *msdu_list,
+						      struct sk_buff *first)
+{
+	struct sk_buff *skb;
+	struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(first);
+
+	if (!rxcb->is_continuation)
+		return first;
+
+	skb_queue_walk(msdu_list, skb) {
+		rxcb = ATH12K_SKB_RXCB(skb);
+		if (!rxcb->is_continuation)
+			return skb;
+	}
+
+	return NULL;
+}
+
+static void ath12k_dp_rx_h_csum_offload(struct ath12k *ar, struct sk_buff *msdu)
+{
+	struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu);
+	struct ath12k_base *ab = ar->ab;
+	bool ip_csum_fail, l4_csum_fail;
+
+	ip_csum_fail = ath12k_dp_rx_h_ip_cksum_fail(ab, rxcb->rx_desc);
+	l4_csum_fail = ath12k_dp_rx_h_l4_cksum_fail(ab, rxcb->rx_desc);
+
+	msdu->ip_summed = (ip_csum_fail || l4_csum_fail) ?
+			  CHECKSUM_NONE : CHECKSUM_UNNECESSARY;
+}
+
+static int ath12k_dp_rx_crypto_mic_len(struct ath12k *ar,
+				       enum hal_encrypt_type enctype)
+{
+	switch (enctype) {
+	case HAL_ENCRYPT_TYPE_OPEN:
+	case HAL_ENCRYPT_TYPE_TKIP_NO_MIC:
+	case HAL_ENCRYPT_TYPE_TKIP_MIC:
+		return 0;
+	case HAL_ENCRYPT_TYPE_CCMP_128:
+		return IEEE80211_CCMP_MIC_LEN;
+	case HAL_ENCRYPT_TYPE_CCMP_256:
+		return IEEE80211_CCMP_256_MIC_LEN;
+	case HAL_ENCRYPT_TYPE_GCMP_128:
+	case HAL_ENCRYPT_TYPE_AES_GCMP_256:
+		return IEEE80211_GCMP_MIC_LEN;
+	case HAL_ENCRYPT_TYPE_WEP_40:
+	case HAL_ENCRYPT_TYPE_WEP_104:
+	case HAL_ENCRYPT_TYPE_WEP_128:
+	case HAL_ENCRYPT_TYPE_WAPI_GCM_SM4:
+	case HAL_ENCRYPT_TYPE_WAPI:
+		break;
+	}
+
+	ath12k_warn(ar->ab, "unsupported encryption type %d for mic len\n", enctype);
+	return 0;
+}
+
+static int ath12k_dp_rx_crypto_param_len(struct ath12k *ar,
+					 enum hal_encrypt_type enctype)
+{
+	switch (enctype) {
+	case HAL_ENCRYPT_TYPE_OPEN:
+		return 0;
+	case HAL_ENCRYPT_TYPE_TKIP_NO_MIC:
+	case HAL_ENCRYPT_TYPE_TKIP_MIC:
+		return IEEE80211_TKIP_IV_LEN;
+	case HAL_ENCRYPT_TYPE_CCMP_128:
+		return IEEE80211_CCMP_HDR_LEN;
+	case HAL_ENCRYPT_TYPE_CCMP_256:
+		return IEEE80211_CCMP_256_HDR_LEN;
+	case HAL_ENCRYPT_TYPE_GCMP_128:
+	case HAL_ENCRYPT_TYPE_AES_GCMP_256:
+		return IEEE80211_GCMP_HDR_LEN;
+	case HAL_ENCRYPT_TYPE_WEP_40:
+	case HAL_ENCRYPT_TYPE_WEP_104:
+	case HAL_ENCRYPT_TYPE_WEP_128:
+	case HAL_ENCRYPT_TYPE_WAPI_GCM_SM4:
+	case HAL_ENCRYPT_TYPE_WAPI:
+		break;
+	}
+
+	ath12k_warn(ar->ab, "unsupported encryption type %d\n", enctype);
+	return 0;
+}
+
+static int ath12k_dp_rx_crypto_icv_len(struct ath12k *ar,
+				       enum hal_encrypt_type enctype)
+{
+	switch (enctype) {
+	case HAL_ENCRYPT_TYPE_OPEN:
+	case HAL_ENCRYPT_TYPE_CCMP_128:
+	case HAL_ENCRYPT_TYPE_CCMP_256:
+	case HAL_ENCRYPT_TYPE_GCMP_128:
+	case HAL_ENCRYPT_TYPE_AES_GCMP_256:
+		return 0;
+	case HAL_ENCRYPT_TYPE_TKIP_NO_MIC:
+	case HAL_ENCRYPT_TYPE_TKIP_MIC:
+		return IEEE80211_TKIP_ICV_LEN;
+	case HAL_ENCRYPT_TYPE_WEP_40:
+	case HAL_ENCRYPT_TYPE_WEP_104:
+	case HAL_ENCRYPT_TYPE_WEP_128:
+	case HAL_ENCRYPT_TYPE_WAPI_GCM_SM4:
+	case HAL_ENCRYPT_TYPE_WAPI:
+		break;
+	}
+
+	ath12k_warn(ar->ab, "unsupported encryption type %d\n", enctype);
+	return 0;
+}
+
+static void ath12k_dp_rx_h_undecap_nwifi(struct ath12k *ar,
+					 struct sk_buff *msdu,
+					 enum hal_encrypt_type enctype,
+					 struct ieee80211_rx_status *status)
+{
+	struct ath12k_base *ab = ar->ab;
+	struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu);
+	u8 decap_hdr[DP_MAX_NWIFI_HDR_LEN];
+	struct ieee80211_hdr *hdr;
+	size_t hdr_len;
+	u8 *crypto_hdr;
+	u16 qos_ctl;
+
+	/* pull decapped header */
+	hdr = (struct ieee80211_hdr *)msdu->data;
+	hdr_len = ieee80211_hdrlen(hdr->frame_control);
+	skb_pull(msdu, hdr_len);
+
+	/*  Rebuild qos header */
+	hdr->frame_control |= __cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
+
+	/* Reset the order bit as the HT_Control header is stripped */
+	hdr->frame_control &= ~(__cpu_to_le16(IEEE80211_FCTL_ORDER));
+
+	qos_ctl = rxcb->tid;
+
+	if (ath12k_dp_rx_h_mesh_ctl_present(ab, rxcb->rx_desc))
+		qos_ctl |= IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT;
+
+	/* TODO: Add other QoS ctl fields when required */
+
+	/* copy decap header before overwriting for reuse below */
+	memcpy(decap_hdr, hdr, hdr_len);
+
+	/* Rebuild crypto header for mac80211 use */
+	if (!(status->flag & RX_FLAG_IV_STRIPPED)) {
+		crypto_hdr = skb_push(msdu, ath12k_dp_rx_crypto_param_len(ar, enctype));
+		ath12k_dp_rx_desc_get_crypto_header(ar->ab,
+						    rxcb->rx_desc, crypto_hdr,
+						    enctype);
+	}
+
+	memcpy(skb_push(msdu,
+			IEEE80211_QOS_CTL_LEN), &qos_ctl,
+			IEEE80211_QOS_CTL_LEN);
+	memcpy(skb_push(msdu, hdr_len), decap_hdr, hdr_len);
+}
+
+static void ath12k_dp_rx_h_undecap_raw(struct ath12k *ar, struct sk_buff *msdu,
+				       enum hal_encrypt_type enctype,
+				       struct ieee80211_rx_status *status,
+				       bool decrypted)
+{
+	struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu);
+	struct ieee80211_hdr *hdr;
+	size_t hdr_len;
+	size_t crypto_len;
+
+	if (!rxcb->is_first_msdu ||
+	    !(rxcb->is_first_msdu && rxcb->is_last_msdu)) {
+		WARN_ON_ONCE(1);
+		return;
+	}
+
+	skb_trim(msdu, msdu->len - FCS_LEN);
+
+	if (!decrypted)
+		return;
+
+	hdr = (void *)msdu->data;
+
+	/* Tail */
+	if (status->flag & RX_FLAG_IV_STRIPPED) {
+		skb_trim(msdu, msdu->len -
+			 ath12k_dp_rx_crypto_mic_len(ar, enctype));
+
+		skb_trim(msdu, msdu->len -
+			 ath12k_dp_rx_crypto_icv_len(ar, enctype));
+	} else {
+		/* MIC */
+		if (status->flag & RX_FLAG_MIC_STRIPPED)
+			skb_trim(msdu, msdu->len -
+				 ath12k_dp_rx_crypto_mic_len(ar, enctype));
+
+		/* ICV */
+		if (status->flag & RX_FLAG_ICV_STRIPPED)
+			skb_trim(msdu, msdu->len -
+				 ath12k_dp_rx_crypto_icv_len(ar, enctype));
+	}
+
+	/* MMIC */
+	if ((status->flag & RX_FLAG_MMIC_STRIPPED) &&
+	    !ieee80211_has_morefrags(hdr->frame_control) &&
+	    enctype == HAL_ENCRYPT_TYPE_TKIP_MIC)
+		skb_trim(msdu, msdu->len - IEEE80211_CCMP_MIC_LEN);
+
+	/* Head */
+	if (status->flag & RX_FLAG_IV_STRIPPED) {
+		hdr_len = ieee80211_hdrlen(hdr->frame_control);
+		crypto_len = ath12k_dp_rx_crypto_param_len(ar, enctype);
+
+		memmove(msdu->data + crypto_len, msdu->data, hdr_len);
+		skb_pull(msdu, crypto_len);
+	}
+}
+
+static void ath12k_get_dot11_hdr_from_rx_desc(struct ath12k *ar,
+					      struct sk_buff *msdu,
+					      struct ath12k_skb_rxcb *rxcb,
+					      struct ieee80211_rx_status *status,
+					      enum hal_encrypt_type enctype)
+{
+	struct hal_rx_desc *rx_desc = rxcb->rx_desc;
+	struct ath12k_base *ab = ar->ab;
+	size_t hdr_len, crypto_len;
+	struct ieee80211_hdr *hdr;
+	u16 qos_ctl;
+	__le16 fc;
+	u8 *crypto_hdr;
+
+	if (!(status->flag & RX_FLAG_IV_STRIPPED)) {
+		crypto_len = ath12k_dp_rx_crypto_param_len(ar, enctype);
+		crypto_hdr = skb_push(msdu, crypto_len);
+		ath12k_dp_rx_desc_get_crypto_header(ab, rx_desc, crypto_hdr, enctype);
+	}
+
+	fc = cpu_to_le16(ath12k_dp_rxdesc_get_mpdu_frame_ctrl(ab, rx_desc));
+	hdr_len = ieee80211_hdrlen(fc);
+	skb_push(msdu, hdr_len);
+	hdr = (struct ieee80211_hdr *)msdu->data;
+	hdr->frame_control = fc;
+
+	/* Get wifi header from rx_desc */
+	ath12k_dp_rx_desc_get_dot11_hdr(ab, rx_desc, hdr);
+
+	if (rxcb->is_mcbc)
+		status->flag &= ~RX_FLAG_PN_VALIDATED;
+
+	/* Add QOS header */
+	if (ieee80211_is_data_qos(hdr->frame_control)) {
+		qos_ctl = rxcb->tid;
+		if (ath12k_dp_rx_h_mesh_ctl_present(ab, rx_desc))
+			qos_ctl |= IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT;
+
+		/* TODO: Add other QoS ctl fields when required */
+		memcpy(msdu->data + (hdr_len - IEEE80211_QOS_CTL_LEN),
+		       &qos_ctl, IEEE80211_QOS_CTL_LEN);
+	}
+}
+
+static void ath12k_dp_rx_h_undecap_eth(struct ath12k *ar,
+				       struct sk_buff *msdu,
+				       enum hal_encrypt_type enctype,
+				       struct ieee80211_rx_status *status)
+{
+	struct ieee80211_hdr *hdr;
+	struct ethhdr *eth;
+	u8 da[ETH_ALEN];
+	u8 sa[ETH_ALEN];
+	struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu);
+	struct ath12k_dp_rx_rfc1042_hdr rfc = {0xaa, 0xaa, 0x03, {0x00, 0x00, 0x00}};
+
+	eth = (struct ethhdr *)msdu->data;
+	ether_addr_copy(da, eth->h_dest);
+	ether_addr_copy(sa, eth->h_source);
+	rfc.snap_type = eth->h_proto;
+	skb_pull(msdu, sizeof(*eth));
+	memcpy(skb_push(msdu, sizeof(rfc)), &rfc,
+	       sizeof(rfc));
+	ath12k_get_dot11_hdr_from_rx_desc(ar, msdu, rxcb, status, enctype);
+
+	/* original 802.11 header has a different DA and in
+	 * case of 4addr it may also have different SA
+	 */
+	hdr = (struct ieee80211_hdr *)msdu->data;
+	ether_addr_copy(ieee80211_get_DA(hdr), da);
+	ether_addr_copy(ieee80211_get_SA(hdr), sa);
+}
+
+static void ath12k_dp_rx_h_undecap(struct ath12k *ar, struct sk_buff *msdu,
+				   struct hal_rx_desc *rx_desc,
+				   enum hal_encrypt_type enctype,
+				   struct ieee80211_rx_status *status,
+				   bool decrypted)
+{
+	struct ath12k_base *ab = ar->ab;
+	u8 decap;
+	struct ethhdr *ehdr;
+
+	decap = ath12k_dp_rx_h_decap_type(ab, rx_desc);
+
+	switch (decap) {
+	case DP_RX_DECAP_TYPE_NATIVE_WIFI:
+		ath12k_dp_rx_h_undecap_nwifi(ar, msdu, enctype, status);
+		break;
+	case DP_RX_DECAP_TYPE_RAW:
+		ath12k_dp_rx_h_undecap_raw(ar, msdu, enctype, status,
+					   decrypted);
+		break;
+	case DP_RX_DECAP_TYPE_ETHERNET2_DIX:
+		ehdr = (struct ethhdr *)msdu->data;
+
+		/* mac80211 allows fast path only for authorized STA */
+		if (ehdr->h_proto == cpu_to_be16(ETH_P_PAE)) {
+			ATH12K_SKB_RXCB(msdu)->is_eapol = true;
+			ath12k_dp_rx_h_undecap_eth(ar, msdu, enctype, status);
+			break;
+		}
+
+		/* PN for mcast packets will be validated in mac80211;
+		 * remove eth header and add 802.11 header.
+		 */
+		if (ATH12K_SKB_RXCB(msdu)->is_mcbc && decrypted)
+			ath12k_dp_rx_h_undecap_eth(ar, msdu, enctype, status);
+		break;
+	case DP_RX_DECAP_TYPE_8023:
+		/* TODO: Handle undecap for these formats */
+		break;
+	}
+}
+
+struct ath12k_peer *
+ath12k_dp_rx_h_find_peer(struct ath12k_base *ab, struct sk_buff *msdu)
+{
+	struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu);
+	struct hal_rx_desc *rx_desc = rxcb->rx_desc;
+	struct ath12k_peer *peer = NULL;
+
+	lockdep_assert_held(&ab->base_lock);
+
+	if (rxcb->peer_id)
+		peer = ath12k_peer_find_by_id(ab, rxcb->peer_id);
+
+	if (peer)
+		return peer;
+
+	if (!rx_desc || !(ath12k_dp_rxdesc_mac_addr2_valid(ab, rx_desc)))
+		return NULL;
+
+	peer = ath12k_peer_find_by_addr(ab,
+					ath12k_dp_rxdesc_get_mpdu_start_addr2(ab,
+									      rx_desc));
+	return peer;
+}
+
+static void ath12k_dp_rx_h_mpdu(struct ath12k *ar,
+				struct sk_buff *msdu,
+				struct hal_rx_desc *rx_desc,
+				struct ieee80211_rx_status *rx_status)
+{
+	bool  fill_crypto_hdr;
+	struct ath12k_base *ab = ar->ab;
+	struct ath12k_skb_rxcb *rxcb;
+	enum hal_encrypt_type enctype;
+	bool is_decrypted = false;
+	struct ieee80211_hdr *hdr;
+	struct ath12k_peer *peer;
+	u32 err_bitmap;
+
+	/* PN for multicast packets will be checked in mac80211 */
+	rxcb = ATH12K_SKB_RXCB(msdu);
+	fill_crypto_hdr = ath12k_dp_rx_h_is_mcbc(ar->ab, rx_desc);
+	rxcb->is_mcbc = fill_crypto_hdr;
+
+	if (rxcb->is_mcbc)
+		rxcb->peer_id = ath12k_dp_rx_h_peer_id(ar->ab, rx_desc);
+
+	spin_lock_bh(&ar->ab->base_lock);
+	peer = ath12k_dp_rx_h_find_peer(ar->ab, msdu);
+	if (peer) {
+		if (rxcb->is_mcbc)
+			enctype = peer->sec_type_grp;
+		else
+			enctype = peer->sec_type;
+	} else {
+		enctype = HAL_ENCRYPT_TYPE_OPEN;
+	}
+	spin_unlock_bh(&ar->ab->base_lock);
+
+	err_bitmap = ath12k_dp_rx_h_mpdu_err(ab, rx_desc);
+	if (enctype != HAL_ENCRYPT_TYPE_OPEN && !err_bitmap)
+		is_decrypted = ath12k_dp_rx_h_is_decrypted(ab, rx_desc);
+
+	/* Clear per-MPDU flags while leaving per-PPDU flags intact */
+	rx_status->flag &= ~(RX_FLAG_FAILED_FCS_CRC |
+			     RX_FLAG_MMIC_ERROR |
+			     RX_FLAG_DECRYPTED |
+			     RX_FLAG_IV_STRIPPED |
+			     RX_FLAG_MMIC_STRIPPED);
+
+	if (err_bitmap & HAL_RX_MPDU_ERR_FCS)
+		rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
+	if (err_bitmap & HAL_RX_MPDU_ERR_TKIP_MIC)
+		rx_status->flag |= RX_FLAG_MMIC_ERROR;
+
+	if (is_decrypted) {
+		rx_status->flag |= RX_FLAG_DECRYPTED | RX_FLAG_MMIC_STRIPPED;
+
+		if (fill_crypto_hdr)
+			rx_status->flag |= RX_FLAG_MIC_STRIPPED |
+					RX_FLAG_ICV_STRIPPED;
+		else
+			rx_status->flag |= RX_FLAG_IV_STRIPPED |
+					   RX_FLAG_PN_VALIDATED;
+	}
+
+	ath12k_dp_rx_h_csum_offload(ar, msdu);
+	ath12k_dp_rx_h_undecap(ar, msdu, rx_desc,
+			       enctype, rx_status, is_decrypted);
+
+	if (!is_decrypted || fill_crypto_hdr)
+		return;
+
+	if (ath12k_dp_rx_h_decap_type(ar->ab, rx_desc) !=
+	    DP_RX_DECAP_TYPE_ETHERNET2_DIX) {
+		hdr = (void *)msdu->data;
+		hdr->frame_control &= ~__cpu_to_le16(IEEE80211_FCTL_PROTECTED);
+	}
+}
+
+static void ath12k_dp_rx_h_rate(struct ath12k *ar, struct hal_rx_desc *rx_desc,
+				struct ieee80211_rx_status *rx_status)
+{
+	struct ath12k_base *ab = ar->ab;
+	struct ieee80211_supported_band *sband;
+	enum rx_msdu_start_pkt_type pkt_type;
+	u8 bw;
+	u8 rate_mcs, nss;
+	u8 sgi;
+	bool is_cck;
+
+	pkt_type = ath12k_dp_rx_h_pkt_type(ab, rx_desc);
+	bw = ath12k_dp_rx_h_rx_bw(ab, rx_desc);
+	rate_mcs = ath12k_dp_rx_h_rate_mcs(ab, rx_desc);
+	nss = ath12k_dp_rx_h_nss(ab, rx_desc);
+	sgi = ath12k_dp_rx_h_sgi(ab, rx_desc);
+
+	switch (pkt_type) {
+	case RX_MSDU_START_PKT_TYPE_11A:
+	case RX_MSDU_START_PKT_TYPE_11B:
+		is_cck = (pkt_type == RX_MSDU_START_PKT_TYPE_11B);
+		sband = &ar->mac.sbands[rx_status->band];
+		rx_status->rate_idx = ath12k_mac_hw_rate_to_idx(sband, rate_mcs,
+								is_cck);
+		break;
+	case RX_MSDU_START_PKT_TYPE_11N:
+		rx_status->encoding = RX_ENC_HT;
+		if (rate_mcs > ATH12K_HT_MCS_MAX) {
+			ath12k_warn(ar->ab,
+				    "Received with invalid mcs in HT mode %d\n",
+				     rate_mcs);
+			break;
+		}
+		rx_status->rate_idx = rate_mcs + (8 * (nss - 1));
+		if (sgi)
+			rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
+		rx_status->bw = ath12k_mac_bw_to_mac80211_bw(bw);
+		break;
+	case RX_MSDU_START_PKT_TYPE_11AC:
+		rx_status->encoding = RX_ENC_VHT;
+		rx_status->rate_idx = rate_mcs;
+		if (rate_mcs > ATH12K_VHT_MCS_MAX) {
+			ath12k_warn(ar->ab,
+				    "Received with invalid mcs in VHT mode %d\n",
+				     rate_mcs);
+			break;
+		}
+		rx_status->nss = nss;
+		if (sgi)
+			rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
+		rx_status->bw = ath12k_mac_bw_to_mac80211_bw(bw);
+		break;
+	case RX_MSDU_START_PKT_TYPE_11AX:
+		rx_status->rate_idx = rate_mcs;
+		if (rate_mcs > ATH12K_HE_MCS_MAX) {
+			ath12k_warn(ar->ab,
+				    "Received with invalid mcs in HE mode %d\n",
+				    rate_mcs);
+			break;
+		}
+		rx_status->encoding = RX_ENC_HE;
+		rx_status->nss = nss;
+		rx_status->he_gi = ath12k_he_gi_to_nl80211_he_gi(sgi);
+		rx_status->bw = ath12k_mac_bw_to_mac80211_bw(bw);
+		break;
+	}
+}
+
+void ath12k_dp_rx_h_ppdu(struct ath12k *ar, struct hal_rx_desc *rx_desc,
+			 struct ieee80211_rx_status *rx_status)
+{
+	struct ath12k_base *ab = ar->ab;
+	u8 channel_num;
+	u32 center_freq, meta_data;
+	struct ieee80211_channel *channel;
+
+	rx_status->freq = 0;
+	rx_status->rate_idx = 0;
+	rx_status->nss = 0;
+	rx_status->encoding = RX_ENC_LEGACY;
+	rx_status->bw = RATE_INFO_BW_20;
+	rx_status->enc_flags = 0;
+
+	rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
+
+	meta_data = ath12k_dp_rx_h_freq(ab, rx_desc);
+	channel_num = meta_data;
+	center_freq = meta_data >> 16;
+
+	if (center_freq >= 5935 && center_freq <= 7105) {
+		rx_status->band = NL80211_BAND_6GHZ;
+	} else if (channel_num >= 1 && channel_num <= 14) {
+		rx_status->band = NL80211_BAND_2GHZ;
+	} else if (channel_num >= 36 && channel_num <= 173) {
+		rx_status->band = NL80211_BAND_5GHZ;
+	} else {
+		spin_lock_bh(&ar->data_lock);
+		channel = ar->rx_channel;
+		if (channel) {
+			rx_status->band = channel->band;
+			channel_num =
+				ieee80211_frequency_to_channel(channel->center_freq);
+		}
+		spin_unlock_bh(&ar->data_lock);
+		ath12k_dbg_dump(ar->ab, ATH12K_DBG_DATA, NULL, "rx_desc: ",
+				rx_desc, sizeof(*rx_desc));
+	}
+
+	rx_status->freq = ieee80211_channel_to_frequency(channel_num,
+							 rx_status->band);
+
+	ath12k_dp_rx_h_rate(ar, rx_desc, rx_status);
+}
+
+static void ath12k_dp_rx_deliver_msdu(struct ath12k *ar, struct napi_struct *napi,
+				      struct sk_buff *msdu,
+				      struct ieee80211_rx_status *status)
+{
+	struct ath12k_base *ab = ar->ab;
+	static const struct ieee80211_radiotap_he known = {
+		.data1 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN |
+				     IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN),
+		.data2 = cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN),
+	};
+	struct ieee80211_radiotap_he *he;
+	struct ieee80211_rx_status *rx_status;
+	struct ieee80211_sta *pubsta;
+	struct ath12k_peer *peer;
+	struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu);
+	u8 decap = DP_RX_DECAP_TYPE_RAW;
+	bool is_mcbc = rxcb->is_mcbc;
+	bool is_eapol = rxcb->is_eapol;
+
+	if (status->encoding == RX_ENC_HE && !(status->flag & RX_FLAG_RADIOTAP_HE) &&
+	    !(status->flag & RX_FLAG_SKIP_MONITOR)) {
+		he = skb_push(msdu, sizeof(known));
+		memcpy(he, &known, sizeof(known));
+		status->flag |= RX_FLAG_RADIOTAP_HE;
+	}
+
+	if (!(status->flag & RX_FLAG_ONLY_MONITOR))
+		decap = ath12k_dp_rx_h_decap_type(ab, rxcb->rx_desc);
+
+	spin_lock_bh(&ab->base_lock);
+	peer = ath12k_dp_rx_h_find_peer(ab, msdu);
+
+	pubsta = peer ? peer->sta : NULL;
+
+	spin_unlock_bh(&ab->base_lock);
+
+	ath12k_dbg(ab, ATH12K_DBG_DATA,
+		   "rx skb %pK len %u peer %pM %d %s sn %u %s%s%s%s%s%s%s%s rate_idx %u vht_nss %u freq %u band %u flag 0x%x fcs-err %i mic-err %i amsdu-more %i\n",
+		   msdu,
+		   msdu->len,
+		   peer ? peer->addr : NULL,
+		   rxcb->tid,
+		   is_mcbc ? "mcast" : "ucast",
+		   ath12k_dp_rx_h_seq_no(ab, rxcb->rx_desc),
+		   (status->encoding == RX_ENC_LEGACY) ? "legacy" : "",
+		   (status->encoding == RX_ENC_HT) ? "ht" : "",
+		   (status->encoding == RX_ENC_VHT) ? "vht" : "",
+		   (status->encoding == RX_ENC_HE) ? "he" : "",
+		   (status->bw == RATE_INFO_BW_40) ? "40" : "",
+		   (status->bw == RATE_INFO_BW_80) ? "80" : "",
+		   (status->bw == RATE_INFO_BW_160) ? "160" : "",
+		   status->enc_flags & RX_ENC_FLAG_SHORT_GI ? "sgi " : "",
+		   status->rate_idx,
+		   status->nss,
+		   status->freq,
+		   status->band, status->flag,
+		   !!(status->flag & RX_FLAG_FAILED_FCS_CRC),
+		   !!(status->flag & RX_FLAG_MMIC_ERROR),
+		   !!(status->flag & RX_FLAG_AMSDU_MORE));
+
+	ath12k_dbg_dump(ab, ATH12K_DBG_DP_RX, NULL, "dp rx msdu: ",
+			msdu->data, msdu->len);
+
+	rx_status = IEEE80211_SKB_RXCB(msdu);
+	*rx_status = *status;
+
+	/* TODO: trace rx packet */
+
+	/* PN for multicast packets are not validate in HW,
+	 * so skip 802.3 rx path
+	 * Also, fast_rx expectes the STA to be authorized, hence
+	 * eapol packets are sent in slow path.
+	 */
+	if (decap == DP_RX_DECAP_TYPE_ETHERNET2_DIX && !is_eapol &&
+	    !(is_mcbc && rx_status->flag & RX_FLAG_DECRYPTED))
+		rx_status->flag |= RX_FLAG_8023;
+
+	ieee80211_rx_napi(ar->hw, pubsta, msdu, napi);
+}
+
+static int ath12k_dp_rx_process_msdu(struct ath12k *ar,
+				     struct sk_buff *msdu,
+				     struct sk_buff_head *msdu_list,
+				     struct ieee80211_rx_status *rx_status)
+{
+	struct ath12k_base *ab = ar->ab;
+	struct hal_rx_desc *rx_desc, *lrx_desc;
+	struct ath12k_skb_rxcb *rxcb;
+	struct sk_buff *last_buf;
+	u8 l3_pad_bytes;
+	u16 msdu_len;
+	int ret;
+	u32 hal_rx_desc_sz = ar->ab->hw_params->hal_desc_sz;
+
+	last_buf = ath12k_dp_rx_get_msdu_last_buf(msdu_list, msdu);
+	if (!last_buf) {
+		ath12k_warn(ab,
+			    "No valid Rx buffer to access MSDU_END tlv\n");
+		ret = -EIO;
+		goto free_out;
+	}
+
+	rx_desc = (struct hal_rx_desc *)msdu->data;
+	lrx_desc = (struct hal_rx_desc *)last_buf->data;
+	if (!ath12k_dp_rx_h_msdu_done(ab, lrx_desc)) {
+		ath12k_warn(ab, "msdu_done bit in msdu_end is not set\n");
+		ret = -EIO;
+		goto free_out;
+	}
+
+	rxcb = ATH12K_SKB_RXCB(msdu);
+	rxcb->rx_desc = rx_desc;
+	msdu_len = ath12k_dp_rx_h_msdu_len(ab, lrx_desc);
+	l3_pad_bytes = ath12k_dp_rx_h_l3pad(ab, lrx_desc);
+
+	if (rxcb->is_frag) {
+		skb_pull(msdu, hal_rx_desc_sz);
+	} else if (!rxcb->is_continuation) {
+		if ((msdu_len + hal_rx_desc_sz) > DP_RX_BUFFER_SIZE) {
+			ret = -EINVAL;
+			ath12k_warn(ab, "invalid msdu len %u\n", msdu_len);
+			ath12k_dbg_dump(ab, ATH12K_DBG_DATA, NULL, "", rx_desc,
+					sizeof(*rx_desc));
+			goto free_out;
+		}
+		skb_put(msdu, hal_rx_desc_sz + l3_pad_bytes + msdu_len);
+		skb_pull(msdu, hal_rx_desc_sz + l3_pad_bytes);
+	} else {
+		ret = ath12k_dp_rx_msdu_coalesce(ar, msdu_list,
+						 msdu, last_buf,
+						 l3_pad_bytes, msdu_len);
+		if (ret) {
+			ath12k_warn(ab,
+				    "failed to coalesce msdu rx buffer%d\n", ret);
+			goto free_out;
+		}
+	}
+
+	ath12k_dp_rx_h_ppdu(ar, rx_desc, rx_status);
+	ath12k_dp_rx_h_mpdu(ar, msdu, rx_desc, rx_status);
+
+	rx_status->flag |= RX_FLAG_SKIP_MONITOR | RX_FLAG_DUP_VALIDATED;
+
+	return 0;
+
+free_out:
+	return ret;
+}
+
+static void ath12k_dp_rx_process_received_packets(struct ath12k_base *ab,
+						  struct napi_struct *napi,
+						  struct sk_buff_head *msdu_list,
+						  int ring_id)
+{
+	struct ieee80211_rx_status rx_status = {0};
+	struct ath12k_skb_rxcb *rxcb;
+	struct sk_buff *msdu;
+	struct ath12k *ar;
+	u8 mac_id;
+	int ret;
+
+	if (skb_queue_empty(msdu_list))
+		return;
+
+	rcu_read_lock();
+
+	while ((msdu = __skb_dequeue(msdu_list))) {
+		rxcb = ATH12K_SKB_RXCB(msdu);
+		mac_id = rxcb->mac_id;
+		ar = ab->pdevs[mac_id].ar;
+		if (!rcu_dereference(ab->pdevs_active[mac_id])) {
+			dev_kfree_skb_any(msdu);
+			continue;
+		}
+
+		if (test_bit(ATH12K_CAC_RUNNING, &ar->dev_flags)) {
+			dev_kfree_skb_any(msdu);
+			continue;
+		}
+
+		ret = ath12k_dp_rx_process_msdu(ar, msdu, msdu_list, &rx_status);
+		if (ret) {
+			ath12k_dbg(ab, ATH12K_DBG_DATA,
+				   "Unable to process msdu %d", ret);
+			dev_kfree_skb_any(msdu);
+			continue;
+		}
+
+		ath12k_dp_rx_deliver_msdu(ar, napi, msdu, &rx_status);
+	}
+
+	rcu_read_unlock();
+}
+
+int ath12k_dp_rx_process(struct ath12k_base *ab, int ring_id,
+			 struct napi_struct *napi, int budget)
+{
+	struct ath12k_rx_desc_info *desc_info;
+	struct ath12k_dp *dp = &ab->dp;
+	struct dp_rxdma_ring *rx_ring = &dp->rx_refill_buf_ring;
+	struct hal_reo_dest_ring *desc;
+	int num_buffs_reaped = 0;
+	struct sk_buff_head msdu_list;
+	struct ath12k_skb_rxcb *rxcb;
+	int total_msdu_reaped = 0;
+	struct hal_srng *srng;
+	struct sk_buff *msdu;
+	bool done = false;
+	int mac_id;
+	int i;
+	u64 desc_va;
+
+	__skb_queue_head_init(&msdu_list);
+
+	srng = &ab->hal.srng_list[dp->reo_dst_ring[ring_id].ring_id];
+
+	spin_lock_bh(&srng->lock);
+
+try_again:
+	ath12k_hal_srng_access_begin(ab, srng);
+
+	while ((desc = ath12k_hal_srng_dst_get_next_entry(ab, srng))) {
+		enum hal_reo_dest_ring_push_reason push_reason;
+		u32 cookie;
+
+		cookie = le32_get_bits(desc->buf_addr_info.info1,
+				       BUFFER_ADDR_INFO1_SW_COOKIE);
+
+		mac_id = le32_get_bits(desc->info0,
+				       HAL_REO_DEST_RING_INFO0_SRC_LINK_ID);
+
+		desc_va = ((u64)le32_to_cpu(desc->buf_va_hi) << 32 |
+			   le32_to_cpu(desc->buf_va_lo));
+		desc_info = (struct ath12k_rx_desc_info *)((unsigned long)desc_va);
+
+		/* retry manual desc retrieval */
+		if (!desc_info) {
+			desc_info = ath12k_dp_get_rx_desc(ab, cookie);
+			if (!desc_info) {
+				ath12k_warn(ab, "Invalid cookie in manual desc retrival");
+				continue;
+			}
+		}
+
+		if (desc_info->magic != ATH12K_DP_RX_DESC_MAGIC)
+			ath12k_warn(ab, "Check HW CC implementation");
+
+		msdu = desc_info->skb;
+		desc_info->skb = NULL;
+
+		spin_lock_bh(&dp->rx_desc_lock);
+		list_move_tail(&desc_info->list, &dp->rx_desc_free_list);
+		spin_unlock_bh(&dp->rx_desc_lock);
+
+		rxcb = ATH12K_SKB_RXCB(msdu);
+		dma_unmap_single(ab->dev, rxcb->paddr,
+				 msdu->len + skb_tailroom(msdu),
+				 DMA_FROM_DEVICE);
+
+		num_buffs_reaped++;
+
+		push_reason = le32_get_bits(desc->info0,
+					    HAL_REO_DEST_RING_INFO0_PUSH_REASON);
+		if (push_reason !=
+		    HAL_REO_DEST_RING_PUSH_REASON_ROUTING_INSTRUCTION) {
+			dev_kfree_skb_any(msdu);
+			ab->soc_stats.hal_reo_error[dp->reo_dst_ring[ring_id].ring_id]++;
+			continue;
+		}
+
+		rxcb->is_first_msdu = !!(le32_to_cpu(desc->rx_msdu_info.info0) &
+					 RX_MSDU_DESC_INFO0_FIRST_MSDU_IN_MPDU);
+		rxcb->is_last_msdu = !!(le32_to_cpu(desc->rx_msdu_info.info0) &
+					RX_MSDU_DESC_INFO0_LAST_MSDU_IN_MPDU);
+		rxcb->is_continuation = !!(le32_to_cpu(desc->rx_msdu_info.info0) &
+					   RX_MSDU_DESC_INFO0_MSDU_CONTINUATION);
+		rxcb->mac_id = mac_id;
+		rxcb->peer_id = le32_get_bits(desc->rx_mpdu_info.peer_meta_data,
+					      RX_MPDU_DESC_META_DATA_PEER_ID);
+		rxcb->tid = le32_get_bits(desc->rx_mpdu_info.info0,
+					  RX_MPDU_DESC_INFO0_TID);
+
+		__skb_queue_tail(&msdu_list, msdu);
+
+		if (!rxcb->is_continuation) {
+			total_msdu_reaped++;
+			done = true;
+		} else {
+			done = false;
+		}
+
+		if (total_msdu_reaped >= budget)
+			break;
+	}
+
+	/* Hw might have updated the head pointer after we cached it.
+	 * In this case, even though there are entries in the ring we'll
+	 * get rx_desc NULL. Give the read another try with updated cached
+	 * head pointer so that we can reap complete MPDU in the current
+	 * rx processing.
+	 */
+	if (!done && ath12k_hal_srng_dst_num_free(ab, srng, true)) {
+		ath12k_hal_srng_access_end(ab, srng);
+		goto try_again;
+	}
+
+	ath12k_hal_srng_access_end(ab, srng);
+
+	spin_unlock_bh(&srng->lock);
+
+	if (!total_msdu_reaped)
+		goto exit;
+
+	/* TODO: Move to implicit BM? */
+	ath12k_dp_rx_bufs_replenish(ab, i, rx_ring, num_buffs_reaped,
+				    ab->hw_params->hal_params->rx_buf_rbm, true);
+
+	ath12k_dp_rx_process_received_packets(ab, napi, &msdu_list,
+					      ring_id);
+
+exit:
+	return total_msdu_reaped;
+}
+
+static void ath12k_dp_rx_frag_timer(struct timer_list *timer)
+{
+	struct ath12k_dp_rx_tid *rx_tid = from_timer(rx_tid, timer, frag_timer);
+
+	spin_lock_bh(&rx_tid->ab->base_lock);
+	if (rx_tid->last_frag_no &&
+	    rx_tid->rx_frag_bitmap == GENMASK(rx_tid->last_frag_no, 0)) {
+		spin_unlock_bh(&rx_tid->ab->base_lock);
+		return;
+	}
+	ath12k_dp_rx_frags_cleanup(rx_tid, true);
+	spin_unlock_bh(&rx_tid->ab->base_lock);
+}
+
+int ath12k_dp_rx_peer_frag_setup(struct ath12k *ar, const u8 *peer_mac, int vdev_id)
+{
+	struct ath12k_base *ab = ar->ab;
+	struct crypto_shash *tfm;
+	struct ath12k_peer *peer;
+	struct ath12k_dp_rx_tid *rx_tid;
+	int i;
+
+	tfm = crypto_alloc_shash("michael_mic", 0, 0);
+	if (IS_ERR(tfm))
+		return PTR_ERR(tfm);
+
+	spin_lock_bh(&ab->base_lock);
+
+	peer = ath12k_peer_find(ab, vdev_id, peer_mac);
+	if (!peer) {
+		spin_unlock_bh(&ab->base_lock);
+		ath12k_warn(ab, "failed to find the peer to set up fragment info\n");
+		return -ENOENT;
+	}
+
+	for (i = 0; i <= IEEE80211_NUM_TIDS; i++) {
+		rx_tid = &peer->rx_tid[i];
+		rx_tid->ab = ab;
+		timer_setup(&rx_tid->frag_timer, ath12k_dp_rx_frag_timer, 0);
+		skb_queue_head_init(&rx_tid->rx_frags);
+	}
+
+	peer->tfm_mmic = tfm;
+	spin_unlock_bh(&ab->base_lock);
+
+	return 0;
+}
+
+static int ath12k_dp_rx_h_michael_mic(struct crypto_shash *tfm, u8 *key,
+				      struct ieee80211_hdr *hdr, u8 *data,
+				      size_t data_len, u8 *mic)
+{
+	SHASH_DESC_ON_STACK(desc, tfm);
+	u8 mic_hdr[16] = {0};
+	u8 tid = 0;
+	int ret;
+
+	if (!tfm)
+		return -EINVAL;
+
+	desc->tfm = tfm;
+
+	ret = crypto_shash_setkey(tfm, key, 8);
+	if (ret)
+		goto out;
+
+	ret = crypto_shash_init(desc);
+	if (ret)
+		goto out;
+
+	/* TKIP MIC header */
+	memcpy(mic_hdr, ieee80211_get_DA(hdr), ETH_ALEN);
+	memcpy(mic_hdr + ETH_ALEN, ieee80211_get_SA(hdr), ETH_ALEN);
+	if (ieee80211_is_data_qos(hdr->frame_control))
+		tid = ieee80211_get_tid(hdr);
+	mic_hdr[12] = tid;
+
+	ret = crypto_shash_update(desc, mic_hdr, 16);
+	if (ret)
+		goto out;
+	ret = crypto_shash_update(desc, data, data_len);
+	if (ret)
+		goto out;
+	ret = crypto_shash_final(desc, mic);
+out:
+	shash_desc_zero(desc);
+	return ret;
+}
+
+static int ath12k_dp_rx_h_verify_tkip_mic(struct ath12k *ar, struct ath12k_peer *peer,
+					  struct sk_buff *msdu)
+{
+	struct ath12k_base *ab = ar->ab;
+	struct hal_rx_desc *rx_desc = (struct hal_rx_desc *)msdu->data;
+	struct ieee80211_rx_status *rxs = IEEE80211_SKB_RXCB(msdu);
+	struct ieee80211_key_conf *key_conf;
+	struct ieee80211_hdr *hdr;
+	u8 mic[IEEE80211_CCMP_MIC_LEN];
+	int head_len, tail_len, ret;
+	size_t data_len;
+	u32 hdr_len, hal_rx_desc_sz = ar->ab->hw_params->hal_desc_sz;
+	u8 *key, *data;
+	u8 key_idx;
+
+	if (ath12k_dp_rx_h_enctype(ab, rx_desc) != HAL_ENCRYPT_TYPE_TKIP_MIC)
+		return 0;
+
+	hdr = (struct ieee80211_hdr *)(msdu->data + hal_rx_desc_sz);
+	hdr_len = ieee80211_hdrlen(hdr->frame_control);
+	head_len = hdr_len + hal_rx_desc_sz + IEEE80211_TKIP_IV_LEN;
+	tail_len = IEEE80211_CCMP_MIC_LEN + IEEE80211_TKIP_ICV_LEN + FCS_LEN;
+
+	if (!is_multicast_ether_addr(hdr->addr1))
+		key_idx = peer->ucast_keyidx;
+	else
+		key_idx = peer->mcast_keyidx;
+
+	key_conf = peer->keys[key_idx];
+
+	data = msdu->data + head_len;
+	data_len = msdu->len - head_len - tail_len;
+	key = &key_conf->key[NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY];
+
+	ret = ath12k_dp_rx_h_michael_mic(peer->tfm_mmic, key, hdr, data, data_len, mic);
+	if (ret || memcmp(mic, data + data_len, IEEE80211_CCMP_MIC_LEN))
+		goto mic_fail;
+
+	return 0;
+
+mic_fail:
+	(ATH12K_SKB_RXCB(msdu))->is_first_msdu = true;
+	(ATH12K_SKB_RXCB(msdu))->is_last_msdu = true;
+
+	rxs->flag |= RX_FLAG_MMIC_ERROR | RX_FLAG_MMIC_STRIPPED |
+		    RX_FLAG_IV_STRIPPED | RX_FLAG_DECRYPTED;
+	skb_pull(msdu, hal_rx_desc_sz);
+
+	ath12k_dp_rx_h_ppdu(ar, rx_desc, rxs);
+	ath12k_dp_rx_h_undecap(ar, msdu, rx_desc,
+			       HAL_ENCRYPT_TYPE_TKIP_MIC, rxs, true);
+	ieee80211_rx(ar->hw, msdu);
+	return -EINVAL;
+}
+
+static void ath12k_dp_rx_h_undecap_frag(struct ath12k *ar, struct sk_buff *msdu,
+					enum hal_encrypt_type enctype, u32 flags)
+{
+	struct ieee80211_hdr *hdr;
+	size_t hdr_len;
+	size_t crypto_len;
+	u32 hal_rx_desc_sz = ar->ab->hw_params->hal_desc_sz;
+
+	if (!flags)
+		return;
+
+	hdr = (struct ieee80211_hdr *)(msdu->data + hal_rx_desc_sz);
+
+	if (flags & RX_FLAG_MIC_STRIPPED)
+		skb_trim(msdu, msdu->len -
+			 ath12k_dp_rx_crypto_mic_len(ar, enctype));
+
+	if (flags & RX_FLAG_ICV_STRIPPED)
+		skb_trim(msdu, msdu->len -
+			 ath12k_dp_rx_crypto_icv_len(ar, enctype));
+
+	if (flags & RX_FLAG_IV_STRIPPED) {
+		hdr_len = ieee80211_hdrlen(hdr->frame_control);
+		crypto_len = ath12k_dp_rx_crypto_param_len(ar, enctype);
+
+		memmove(msdu->data + hal_rx_desc_sz + crypto_len,
+			msdu->data + hal_rx_desc_sz, hdr_len);
+		skb_pull(msdu, crypto_len);
+	}
+}
+
+static int ath12k_dp_rx_h_defrag(struct ath12k *ar,
+				 struct ath12k_peer *peer,
+				 struct ath12k_dp_rx_tid *rx_tid,
+				 struct sk_buff **defrag_skb)
+{
+	struct ath12k_base *ab = ar->ab;
+	struct hal_rx_desc *rx_desc;
+	struct sk_buff *skb, *first_frag, *last_frag;
+	struct ieee80211_hdr *hdr;
+	enum hal_encrypt_type enctype;
+	bool is_decrypted = false;
+	int msdu_len = 0;
+	int extra_space;
+	u32 flags, hal_rx_desc_sz = ar->ab->hw_params->hal_desc_sz;
+
+	first_frag = skb_peek(&rx_tid->rx_frags);
+	last_frag = skb_peek_tail(&rx_tid->rx_frags);
+
+	skb_queue_walk(&rx_tid->rx_frags, skb) {
+		flags = 0;
+		rx_desc = (struct hal_rx_desc *)skb->data;
+		hdr = (struct ieee80211_hdr *)(skb->data + hal_rx_desc_sz);
+
+		enctype = ath12k_dp_rx_h_enctype(ab, rx_desc);
+		if (enctype != HAL_ENCRYPT_TYPE_OPEN)
+			is_decrypted = ath12k_dp_rx_h_is_decrypted(ab,
+								   rx_desc);
+
+		if (is_decrypted) {
+			if (skb != first_frag)
+				flags |= RX_FLAG_IV_STRIPPED;
+			if (skb != last_frag)
+				flags |= RX_FLAG_ICV_STRIPPED |
+					 RX_FLAG_MIC_STRIPPED;
+		}
+
+		/* RX fragments are always raw packets */
+		if (skb != last_frag)
+			skb_trim(skb, skb->len - FCS_LEN);
+		ath12k_dp_rx_h_undecap_frag(ar, skb, enctype, flags);
+
+		if (skb != first_frag)
+			skb_pull(skb, hal_rx_desc_sz +
+				      ieee80211_hdrlen(hdr->frame_control));
+		msdu_len += skb->len;
+	}
+
+	extra_space = msdu_len - (DP_RX_BUFFER_SIZE + skb_tailroom(first_frag));
+	if (extra_space > 0 &&
+	    (pskb_expand_head(first_frag, 0, extra_space, GFP_ATOMIC) < 0))
+		return -ENOMEM;
+
+	__skb_unlink(first_frag, &rx_tid->rx_frags);
+	while ((skb = __skb_dequeue(&rx_tid->rx_frags))) {
+		skb_put_data(first_frag, skb->data, skb->len);
+		dev_kfree_skb_any(skb);
+	}
+
+	hdr = (struct ieee80211_hdr *)(first_frag->data + hal_rx_desc_sz);
+	hdr->frame_control &= ~__cpu_to_le16(IEEE80211_FCTL_MOREFRAGS);
+	ATH12K_SKB_RXCB(first_frag)->is_frag = 1;
+
+	if (ath12k_dp_rx_h_verify_tkip_mic(ar, peer, first_frag))
+		first_frag = NULL;
+
+	*defrag_skb = first_frag;
+	return 0;
+}
+
+static int ath12k_dp_rx_h_defrag_reo_reinject(struct ath12k *ar,
+					      struct ath12k_dp_rx_tid *rx_tid,
+					      struct sk_buff *defrag_skb)
+{
+	struct ath12k_base *ab = ar->ab;
+	struct ath12k_dp *dp = &ab->dp;
+	struct hal_rx_desc *rx_desc = (struct hal_rx_desc *)defrag_skb->data;
+	struct hal_reo_entrance_ring *reo_ent_ring;
+	struct hal_reo_dest_ring *reo_dest_ring;
+	struct dp_link_desc_bank *link_desc_banks;
+	struct hal_rx_msdu_link *msdu_link;
+	struct hal_rx_msdu_details *msdu0;
+	struct hal_srng *srng;
+	dma_addr_t link_paddr, buf_paddr;
+	u32 desc_bank, msdu_info, msdu_ext_info, mpdu_info;
+	u32 cookie, hal_rx_desc_sz, dest_ring_info0;
+	int ret;
+	struct ath12k_rx_desc_info *desc_info;
+	u8 dst_ind;
+
+	hal_rx_desc_sz = ab->hw_params->hal_desc_sz;
+	link_desc_banks = dp->link_desc_banks;
+	reo_dest_ring = rx_tid->dst_ring_desc;
+
+	ath12k_hal_rx_reo_ent_paddr_get(ab, &reo_dest_ring->buf_addr_info,
+					&link_paddr, &cookie);
+	desc_bank = u32_get_bits(cookie, DP_LINK_DESC_BANK_MASK);
+
+	msdu_link = (struct hal_rx_msdu_link *)(link_desc_banks[desc_bank].vaddr +
+			(link_paddr - link_desc_banks[desc_bank].paddr));
+	msdu0 = &msdu_link->msdu_link[0];
+	msdu_ext_info = le32_to_cpu(msdu0->rx_msdu_ext_info.info0);
+	dst_ind = u32_get_bits(msdu_ext_info, RX_MSDU_EXT_DESC_INFO0_REO_DEST_IND);
+
+	memset(msdu0, 0, sizeof(*msdu0));
+
+	msdu_info = u32_encode_bits(1, RX_MSDU_DESC_INFO0_FIRST_MSDU_IN_MPDU) |
+		    u32_encode_bits(1, RX_MSDU_DESC_INFO0_LAST_MSDU_IN_MPDU) |
+		    u32_encode_bits(0, RX_MSDU_DESC_INFO0_MSDU_CONTINUATION) |
+		    u32_encode_bits(defrag_skb->len - hal_rx_desc_sz,
+				    RX_MSDU_DESC_INFO0_MSDU_LENGTH) |
+		    u32_encode_bits(1, RX_MSDU_DESC_INFO0_VALID_SA) |
+		    u32_encode_bits(1, RX_MSDU_DESC_INFO0_VALID_DA);
+	msdu0->rx_msdu_info.info0 = cpu_to_le32(msdu_info);
+	msdu0->rx_msdu_ext_info.info0 = cpu_to_le32(msdu_ext_info);
+
+	/* change msdu len in hal rx desc */
+	ath12k_dp_rxdesc_set_msdu_len(ab, rx_desc, defrag_skb->len - hal_rx_desc_sz);
+
+	buf_paddr = dma_map_single(ab->dev, defrag_skb->data,
+				   defrag_skb->len + skb_tailroom(defrag_skb),
+				   DMA_FROM_DEVICE);
+	if (dma_mapping_error(ab->dev, buf_paddr))
+		return -ENOMEM;
+
+	spin_lock_bh(&dp->rx_desc_lock);
+	desc_info = list_first_entry_or_null(&dp->rx_desc_free_list,
+					     struct ath12k_rx_desc_info,
+					     list);
+	if (!desc_info) {
+		spin_unlock_bh(&dp->rx_desc_lock);
+		ath12k_warn(ab, "failed to find rx desc for reinject\n");
+		ret = -ENOMEM;
+		goto err_unmap_dma;
+	}
+
+	desc_info->skb = defrag_skb;
+
+	list_del(&desc_info->list);
+	list_add_tail(&desc_info->list, &dp->rx_desc_used_list);
+	spin_unlock_bh(&dp->rx_desc_lock);
+
+	ATH12K_SKB_RXCB(defrag_skb)->paddr = buf_paddr;
+
+	ath12k_hal_rx_buf_addr_info_set(&msdu0->buf_addr_info, buf_paddr,
+					desc_info->cookie,
+					HAL_RX_BUF_RBM_SW3_BM);
+
+	/* Fill mpdu details into reo entrace ring */
+	srng = &ab->hal.srng_list[dp->reo_reinject_ring.ring_id];
+
+	spin_lock_bh(&srng->lock);
+	ath12k_hal_srng_access_begin(ab, srng);
+
+	reo_ent_ring = ath12k_hal_srng_src_get_next_entry(ab, srng);
+	if (!reo_ent_ring) {
+		ath12k_hal_srng_access_end(ab, srng);
+		spin_unlock_bh(&srng->lock);
+		ret = -ENOSPC;
+		goto err_free_desc;
+	}
+	memset(reo_ent_ring, 0, sizeof(*reo_ent_ring));
+
+	ath12k_hal_rx_buf_addr_info_set(&reo_ent_ring->buf_addr_info, link_paddr,
+					cookie,
+					HAL_RX_BUF_RBM_WBM_CHIP0_IDLE_DESC_LIST);
+
+	mpdu_info = u32_encode_bits(1, RX_MPDU_DESC_INFO0_MSDU_COUNT) |
+		    u32_encode_bits(0, RX_MPDU_DESC_INFO0_FRAG_FLAG) |
+		    u32_encode_bits(1, RX_MPDU_DESC_INFO0_RAW_MPDU) |
+		    u32_encode_bits(1, RX_MPDU_DESC_INFO0_VALID_PN) |
+		    u32_encode_bits(rx_tid->tid, RX_MPDU_DESC_INFO0_TID);
+
+	reo_ent_ring->rx_mpdu_info.info0 = cpu_to_le32(mpdu_info);
+	reo_ent_ring->rx_mpdu_info.peer_meta_data =
+		reo_dest_ring->rx_mpdu_info.peer_meta_data;
+
+	reo_ent_ring->queue_addr_lo = cpu_to_le32(lower_32_bits(rx_tid->paddr));
+	reo_ent_ring->info0 = le32_encode_bits(upper_32_bits(rx_tid->paddr),
+					       HAL_REO_ENTR_RING_INFO0_QUEUE_ADDR_HI) |
+		le32_encode_bits(dst_ind, HAL_REO_ENTR_RING_INFO0_DEST_IND);
+
+	reo_ent_ring->info1 = le32_encode_bits(rx_tid->cur_sn,
+					       HAL_REO_ENTR_RING_INFO1_MPDU_SEQ_NUM);
+	dest_ring_info0 = le32_get_bits(reo_dest_ring->info0,
+					HAL_REO_DEST_RING_INFO0_SRC_LINK_ID);
+	reo_ent_ring->info2 =
+		cpu_to_le32(u32_get_bits(dest_ring_info0,
+					 HAL_REO_ENTR_RING_INFO2_SRC_LINK_ID));
+
+	ath12k_hal_srng_access_end(ab, srng);
+	spin_unlock_bh(&srng->lock);
+
+	return 0;
+
+err_free_desc:
+	spin_lock_bh(&dp->rx_desc_lock);
+	list_del(&desc_info->list);
+	list_add_tail(&desc_info->list, &dp->rx_desc_free_list);
+	desc_info->skb = NULL;
+	spin_unlock_bh(&dp->rx_desc_lock);
+err_unmap_dma:
+	dma_unmap_single(ab->dev, buf_paddr, defrag_skb->len + skb_tailroom(defrag_skb),
+			 DMA_FROM_DEVICE);
+	return ret;
+}
+
+static int ath12k_dp_rx_h_cmp_frags(struct ath12k_base *ab,
+				    struct sk_buff *a, struct sk_buff *b)
+{
+	int frag1, frag2;
+
+	frag1 = ath12k_dp_rx_h_frag_no(ab, a);
+	frag2 = ath12k_dp_rx_h_frag_no(ab, b);
+
+	return frag1 - frag2;
+}
+
+static void ath12k_dp_rx_h_sort_frags(struct ath12k_base *ab,
+				      struct sk_buff_head *frag_list,
+				      struct sk_buff *cur_frag)
+{
+	struct sk_buff *skb;
+	int cmp;
+
+	skb_queue_walk(frag_list, skb) {
+		cmp = ath12k_dp_rx_h_cmp_frags(ab, skb, cur_frag);
+		if (cmp < 0)
+			continue;
+		__skb_queue_before(frag_list, skb, cur_frag);
+		return;
+	}
+	__skb_queue_tail(frag_list, cur_frag);
+}
+
+static u64 ath12k_dp_rx_h_get_pn(struct ath12k *ar, struct sk_buff *skb)
+{
+	struct ieee80211_hdr *hdr;
+	u64 pn = 0;
+	u8 *ehdr;
+	u32 hal_rx_desc_sz = ar->ab->hw_params->hal_desc_sz;
+
+	hdr = (struct ieee80211_hdr *)(skb->data + hal_rx_desc_sz);
+	ehdr = skb->data + hal_rx_desc_sz + ieee80211_hdrlen(hdr->frame_control);
+
+	pn = ehdr[0];
+	pn |= (u64)ehdr[1] << 8;
+	pn |= (u64)ehdr[4] << 16;
+	pn |= (u64)ehdr[5] << 24;
+	pn |= (u64)ehdr[6] << 32;
+	pn |= (u64)ehdr[7] << 40;
+
+	return pn;
+}
+
+static bool
+ath12k_dp_rx_h_defrag_validate_incr_pn(struct ath12k *ar, struct ath12k_dp_rx_tid *rx_tid)
+{
+	struct ath12k_base *ab = ar->ab;
+	enum hal_encrypt_type encrypt_type;
+	struct sk_buff *first_frag, *skb;
+	struct hal_rx_desc *desc;
+	u64 last_pn;
+	u64 cur_pn;
+
+	first_frag = skb_peek(&rx_tid->rx_frags);
+	desc = (struct hal_rx_desc *)first_frag->data;
+
+	encrypt_type = ath12k_dp_rx_h_enctype(ab, desc);
+	if (encrypt_type != HAL_ENCRYPT_TYPE_CCMP_128 &&
+	    encrypt_type != HAL_ENCRYPT_TYPE_CCMP_256 &&
+	    encrypt_type != HAL_ENCRYPT_TYPE_GCMP_128 &&
+	    encrypt_type != HAL_ENCRYPT_TYPE_AES_GCMP_256)
+		return true;
+
+	last_pn = ath12k_dp_rx_h_get_pn(ar, first_frag);
+	skb_queue_walk(&rx_tid->rx_frags, skb) {
+		if (skb == first_frag)
+			continue;
+
+		cur_pn = ath12k_dp_rx_h_get_pn(ar, skb);
+		if (cur_pn != last_pn + 1)
+			return false;
+		last_pn = cur_pn;
+	}
+	return true;
+}
+
+static int ath12k_dp_rx_frag_h_mpdu(struct ath12k *ar,
+				    struct sk_buff *msdu,
+				    struct hal_reo_dest_ring *ring_desc)
+{
+	struct ath12k_base *ab = ar->ab;
+	struct hal_rx_desc *rx_desc;
+	struct ath12k_peer *peer;
+	struct ath12k_dp_rx_tid *rx_tid;
+	struct sk_buff *defrag_skb = NULL;
+	u32 peer_id;
+	u16 seqno, frag_no;
+	u8 tid;
+	int ret = 0;
+	bool more_frags;
+
+	rx_desc = (struct hal_rx_desc *)msdu->data;
+	peer_id = ath12k_dp_rx_h_peer_id(ab, rx_desc);
+	tid = ath12k_dp_rx_h_tid(ab, rx_desc);
+	seqno = ath12k_dp_rx_h_seq_no(ab, rx_desc);
+	frag_no = ath12k_dp_rx_h_frag_no(ab, msdu);
+	more_frags = ath12k_dp_rx_h_more_frags(ab, msdu);
+
+	if (!ath12k_dp_rx_h_seq_ctrl_valid(ab, rx_desc) ||
+	    !ath12k_dp_rx_h_fc_valid(ab, rx_desc) ||
+	    tid > IEEE80211_NUM_TIDS)
+		return -EINVAL;
+
+	/* received unfragmented packet in reo
+	 * exception ring, this shouldn't happen
+	 * as these packets typically come from
+	 * reo2sw srngs.
+	 */
+	if (WARN_ON_ONCE(!frag_no && !more_frags))
+		return -EINVAL;
+
+	spin_lock_bh(&ab->base_lock);
+	peer = ath12k_peer_find_by_id(ab, peer_id);
+	if (!peer) {
+		ath12k_warn(ab, "failed to find the peer to de-fragment received fragment peer_id %d\n",
+			    peer_id);
+		ret = -ENOENT;
+		goto out_unlock;
+	}
+	rx_tid = &peer->rx_tid[tid];
+
+	if ((!skb_queue_empty(&rx_tid->rx_frags) && seqno != rx_tid->cur_sn) ||
+	    skb_queue_empty(&rx_tid->rx_frags)) {
+		/* Flush stored fragments and start a new sequence */
+		ath12k_dp_rx_frags_cleanup(rx_tid, true);
+		rx_tid->cur_sn = seqno;
+	}
+
+	if (rx_tid->rx_frag_bitmap & BIT(frag_no)) {
+		/* Fragment already present */
+		ret = -EINVAL;
+		goto out_unlock;
+	}
+
+	if (frag_no > __fls(rx_tid->rx_frag_bitmap))
+		__skb_queue_tail(&rx_tid->rx_frags, msdu);
+	else
+		ath12k_dp_rx_h_sort_frags(ab, &rx_tid->rx_frags, msdu);
+
+	rx_tid->rx_frag_bitmap |= BIT(frag_no);
+	if (!more_frags)
+		rx_tid->last_frag_no = frag_no;
+
+	if (frag_no == 0) {
+		rx_tid->dst_ring_desc = kmemdup(ring_desc,
+						sizeof(*rx_tid->dst_ring_desc),
+						GFP_ATOMIC);
+		if (!rx_tid->dst_ring_desc) {
+			ret = -ENOMEM;
+			goto out_unlock;
+		}
+	} else {
+		ath12k_dp_rx_link_desc_return(ab, ring_desc,
+					      HAL_WBM_REL_BM_ACT_PUT_IN_IDLE);
+	}
+
+	if (!rx_tid->last_frag_no ||
+	    rx_tid->rx_frag_bitmap != GENMASK(rx_tid->last_frag_no, 0)) {
+		mod_timer(&rx_tid->frag_timer, jiffies +
+					       ATH12K_DP_RX_FRAGMENT_TIMEOUT_MS);
+		goto out_unlock;
+	}
+
+	spin_unlock_bh(&ab->base_lock);
+	del_timer_sync(&rx_tid->frag_timer);
+	spin_lock_bh(&ab->base_lock);
+
+	peer = ath12k_peer_find_by_id(ab, peer_id);
+	if (!peer)
+		goto err_frags_cleanup;
+
+	if (!ath12k_dp_rx_h_defrag_validate_incr_pn(ar, rx_tid))
+		goto err_frags_cleanup;
+
+	if (ath12k_dp_rx_h_defrag(ar, peer, rx_tid, &defrag_skb))
+		goto err_frags_cleanup;
+
+	if (!defrag_skb)
+		goto err_frags_cleanup;
+
+	if (ath12k_dp_rx_h_defrag_reo_reinject(ar, rx_tid, defrag_skb))
+		goto err_frags_cleanup;
+
+	ath12k_dp_rx_frags_cleanup(rx_tid, false);
+	goto out_unlock;
+
+err_frags_cleanup:
+	dev_kfree_skb_any(defrag_skb);
+	ath12k_dp_rx_frags_cleanup(rx_tid, true);
+out_unlock:
+	spin_unlock_bh(&ab->base_lock);
+	return ret;
+}
+
+static int
+ath12k_dp_process_rx_err_buf(struct ath12k *ar, struct hal_reo_dest_ring *desc,
+			     bool drop, u32 cookie)
+{
+	struct ath12k_base *ab = ar->ab;
+	struct sk_buff *msdu;
+	struct ath12k_skb_rxcb *rxcb;
+	struct hal_rx_desc *rx_desc;
+	u16 msdu_len;
+	u32 hal_rx_desc_sz = ab->hw_params->hal_desc_sz;
+	struct ath12k_rx_desc_info *desc_info;
+	u64 desc_va;
+
+	desc_va = ((u64)le32_to_cpu(desc->buf_va_hi) << 32 |
+		   le32_to_cpu(desc->buf_va_lo));
+	desc_info = (struct ath12k_rx_desc_info *)((unsigned long)desc_va);
+
+	/* retry manual desc retrieval */
+	if (!desc_info) {
+		desc_info = ath12k_dp_get_rx_desc(ab, cookie);
+		if (!desc_info) {
+			ath12k_warn(ab, "Invalid cookie in manual desc retrival");
+			return -EINVAL;
+		}
+	}
+
+	if (desc_info->magic != ATH12K_DP_RX_DESC_MAGIC)
+		ath12k_warn(ab, " RX Exception, Check HW CC implementation");
+
+	msdu = desc_info->skb;
+	desc_info->skb = NULL;
+	spin_lock_bh(&ab->dp.rx_desc_lock);
+	list_move_tail(&desc_info->list, &ab->dp.rx_desc_free_list);
+	spin_unlock_bh(&ab->dp.rx_desc_lock);
+
+	rxcb = ATH12K_SKB_RXCB(msdu);
+	dma_unmap_single(ar->ab->dev, rxcb->paddr,
+			 msdu->len + skb_tailroom(msdu),
+			 DMA_FROM_DEVICE);
+
+	if (drop) {
+		dev_kfree_skb_any(msdu);
+		return 0;
+	}
+
+	rcu_read_lock();
+	if (!rcu_dereference(ar->ab->pdevs_active[ar->pdev_idx])) {
+		dev_kfree_skb_any(msdu);
+		goto exit;
+	}
+
+	if (test_bit(ATH12K_CAC_RUNNING, &ar->dev_flags)) {
+		dev_kfree_skb_any(msdu);
+		goto exit;
+	}
+
+	rx_desc = (struct hal_rx_desc *)msdu->data;
+	msdu_len = ath12k_dp_rx_h_msdu_len(ar->ab, rx_desc);
+	if ((msdu_len + hal_rx_desc_sz) > DP_RX_BUFFER_SIZE) {
+		ath12k_warn(ar->ab, "invalid msdu leng %u", msdu_len);
+		ath12k_dbg_dump(ar->ab, ATH12K_DBG_DATA, NULL, "", rx_desc,
+				sizeof(*rx_desc));
+		dev_kfree_skb_any(msdu);
+		goto exit;
+	}
+
+	skb_put(msdu, hal_rx_desc_sz + msdu_len);
+
+	if (ath12k_dp_rx_frag_h_mpdu(ar, msdu, desc)) {
+		dev_kfree_skb_any(msdu);
+		ath12k_dp_rx_link_desc_return(ar->ab, desc,
+					      HAL_WBM_REL_BM_ACT_PUT_IN_IDLE);
+	}
+exit:
+	rcu_read_unlock();
+	return 0;
+}
+
+int ath12k_dp_rx_process_err(struct ath12k_base *ab, struct napi_struct *napi,
+			     int budget)
+{
+	u32 msdu_cookies[HAL_NUM_RX_MSDUS_PER_LINK_DESC];
+	struct dp_link_desc_bank *link_desc_banks;
+	enum hal_rx_buf_return_buf_manager rbm;
+	struct hal_rx_msdu_link *link_desc_va;
+	int tot_n_bufs_reaped, quota, ret, i;
+	struct hal_reo_dest_ring *reo_desc;
+	struct dp_rxdma_ring *rx_ring;
+	struct dp_srng *reo_except;
+	u32 desc_bank, num_msdus;
+	struct hal_srng *srng;
+	struct ath12k_dp *dp;
+	int mac_id;
+	struct ath12k *ar;
+	dma_addr_t paddr;
+	bool is_frag;
+	bool drop = false;
+
+	tot_n_bufs_reaped = 0;
+	quota = budget;
+
+	dp = &ab->dp;
+	reo_except = &dp->reo_except_ring;
+	link_desc_banks = dp->link_desc_banks;
+
+	srng = &ab->hal.srng_list[reo_except->ring_id];
+
+	spin_lock_bh(&srng->lock);
+
+	ath12k_hal_srng_access_begin(ab, srng);
+
+	while (budget &&
+	       (reo_desc = ath12k_hal_srng_dst_get_next_entry(ab, srng))) {
+		ab->soc_stats.err_ring_pkts++;
+		ret = ath12k_hal_desc_reo_parse_err(ab, reo_desc, &paddr,
+						    &desc_bank);
+		if (ret) {
+			ath12k_warn(ab, "failed to parse error reo desc %d\n",
+				    ret);
+			continue;
+		}
+		link_desc_va = link_desc_banks[desc_bank].vaddr +
+			       (paddr - link_desc_banks[desc_bank].paddr);
+		ath12k_hal_rx_msdu_link_info_get(link_desc_va, &num_msdus, msdu_cookies,
+						 &rbm);
+		if (rbm != HAL_RX_BUF_RBM_WBM_CHIP0_IDLE_DESC_LIST &&
+		    rbm != HAL_RX_BUF_RBM_SW3_BM &&
+		    rbm != ab->hw_params->hal_params->rx_buf_rbm) {
+			ab->soc_stats.invalid_rbm++;
+			ath12k_warn(ab, "invalid return buffer manager %d\n", rbm);
+			ath12k_dp_rx_link_desc_return(ab, reo_desc,
+						      HAL_WBM_REL_BM_ACT_REL_MSDU);
+			continue;
+		}
+
+		is_frag = !!(le32_to_cpu(reo_desc->rx_mpdu_info.info0) &
+			     RX_MPDU_DESC_INFO0_FRAG_FLAG);
+
+		/* Process only rx fragments with one msdu per link desc below, and drop
+		 * msdu's indicated due to error reasons.
+		 */
+		if (!is_frag || num_msdus > 1) {
+			drop = true;
+			/* Return the link desc back to wbm idle list */
+			ath12k_dp_rx_link_desc_return(ab, reo_desc,
+						      HAL_WBM_REL_BM_ACT_PUT_IN_IDLE);
+		}
+
+		for (i = 0; i < num_msdus; i++) {
+			mac_id = le32_get_bits(reo_desc->info0,
+					       HAL_REO_DEST_RING_INFO0_SRC_LINK_ID);
+
+			ar = ab->pdevs[mac_id].ar;
+
+			if (!ath12k_dp_process_rx_err_buf(ar, reo_desc, drop,
+							  msdu_cookies[i]))
+				tot_n_bufs_reaped++;
+		}
+
+		if (tot_n_bufs_reaped >= quota) {
+			tot_n_bufs_reaped = quota;
+			goto exit;
+		}
+
+		budget = quota - tot_n_bufs_reaped;
+	}
+
+exit:
+	ath12k_hal_srng_access_end(ab, srng);
+
+	spin_unlock_bh(&srng->lock);
+
+	rx_ring = &dp->rx_refill_buf_ring;
+
+	ath12k_dp_rx_bufs_replenish(ab, 0, rx_ring, tot_n_bufs_reaped,
+				    ab->hw_params->hal_params->rx_buf_rbm, true);
+
+	return tot_n_bufs_reaped;
+}
+
+static void ath12k_dp_rx_null_q_desc_sg_drop(struct ath12k *ar,
+					     int msdu_len,
+					     struct sk_buff_head *msdu_list)
+{
+	struct sk_buff *skb, *tmp;
+	struct ath12k_skb_rxcb *rxcb;
+	int n_buffs;
+
+	n_buffs = DIV_ROUND_UP(msdu_len,
+			       (DP_RX_BUFFER_SIZE - ar->ab->hw_params->hal_desc_sz));
+
+	skb_queue_walk_safe(msdu_list, skb, tmp) {
+		rxcb = ATH12K_SKB_RXCB(skb);
+		if (rxcb->err_rel_src == HAL_WBM_REL_SRC_MODULE_REO &&
+		    rxcb->err_code == HAL_REO_DEST_RING_ERROR_CODE_DESC_ADDR_ZERO) {
+			if (!n_buffs)
+				break;
+			__skb_unlink(skb, msdu_list);
+			dev_kfree_skb_any(skb);
+			n_buffs--;
+		}
+	}
+}
+
+static int ath12k_dp_rx_h_null_q_desc(struct ath12k *ar, struct sk_buff *msdu,
+				      struct ieee80211_rx_status *status,
+				      struct sk_buff_head *msdu_list)
+{
+	struct ath12k_base *ab = ar->ab;
+	u16 msdu_len, peer_id;
+	struct hal_rx_desc *desc = (struct hal_rx_desc *)msdu->data;
+	u8 l3pad_bytes;
+	struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu);
+	u32 hal_rx_desc_sz = ar->ab->hw_params->hal_desc_sz;
+
+	msdu_len = ath12k_dp_rx_h_msdu_len(ab, desc);
+	peer_id = ath12k_dp_rx_h_peer_id(ab, desc);
+
+	if (!ath12k_peer_find_by_id(ab, peer_id)) {
+		ath12k_dbg(ab, ATH12K_DBG_DATA, "invalid peer id received in wbm err pkt%d\n",
+			   peer_id);
+		return -EINVAL;
+	}
+
+	if (!rxcb->is_frag && ((msdu_len + hal_rx_desc_sz) > DP_RX_BUFFER_SIZE)) {
+		/* First buffer will be freed by the caller, so deduct it's length */
+		msdu_len = msdu_len - (DP_RX_BUFFER_SIZE - hal_rx_desc_sz);
+		ath12k_dp_rx_null_q_desc_sg_drop(ar, msdu_len, msdu_list);
+		return -EINVAL;
+	}
+
+	/* Even after cleaning up the sg buffers in the msdu list with above check
+	 * any msdu received with continuation flag needs to be dropped as invalid.
+	 * This protects against some random err frame with continuation flag.
+	 */
+	if (rxcb->is_continuation)
+		return -EINVAL;
+
+	if (!ath12k_dp_rx_h_msdu_done(ab, desc)) {
+		ath12k_warn(ar->ab,
+			    "msdu_done bit not set in null_q_des processing\n");
+		__skb_queue_purge(msdu_list);
+		return -EIO;
+	}
+
+	/* Handle NULL queue descriptor violations arising out a missing
+	 * REO queue for a given peer or a given TID. This typically
+	 * may happen if a packet is received on a QOS enabled TID before the
+	 * ADDBA negotiation for that TID, when the TID queue is setup. Or
+	 * it may also happen for MC/BC frames if they are not routed to the
+	 * non-QOS TID queue, in the absence of any other default TID queue.
+	 * This error can show up both in a REO destination or WBM release ring.
+	 */
+
+	if (rxcb->is_frag) {
+		skb_pull(msdu, hal_rx_desc_sz);
+	} else {
+		l3pad_bytes = ath12k_dp_rx_h_l3pad(ab, desc);
+
+		if ((hal_rx_desc_sz + l3pad_bytes + msdu_len) > DP_RX_BUFFER_SIZE)
+			return -EINVAL;
+
+		skb_put(msdu, hal_rx_desc_sz + l3pad_bytes + msdu_len);
+		skb_pull(msdu, hal_rx_desc_sz + l3pad_bytes);
+	}
+	ath12k_dp_rx_h_ppdu(ar, desc, status);
+
+	ath12k_dp_rx_h_mpdu(ar, msdu, desc, status);
+
+	rxcb->tid = ath12k_dp_rx_h_tid(ab, desc);
+
+	/* Please note that caller will having the access to msdu and completing
+	 * rx with mac80211. Need not worry about cleaning up amsdu_list.
+	 */
+
+	return 0;
+}
+
+static bool ath12k_dp_rx_h_reo_err(struct ath12k *ar, struct sk_buff *msdu,
+				   struct ieee80211_rx_status *status,
+				   struct sk_buff_head *msdu_list)
+{
+	struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu);
+	bool drop = false;
+
+	ar->ab->soc_stats.reo_error[rxcb->err_code]++;
+
+	switch (rxcb->err_code) {
+	case HAL_REO_DEST_RING_ERROR_CODE_DESC_ADDR_ZERO:
+		if (ath12k_dp_rx_h_null_q_desc(ar, msdu, status, msdu_list))
+			drop = true;
+		break;
+	case HAL_REO_DEST_RING_ERROR_CODE_PN_CHECK_FAILED:
+		/* TODO: Do not drop PN failed packets in the driver;
+		 * instead, it is good to drop such packets in mac80211
+		 * after incrementing the replay counters.
+		 */
+		fallthrough;
+	default:
+		/* TODO: Review other errors and process them to mac80211
+		 * as appropriate.
+		 */
+		drop = true;
+		break;
+	}
+
+	return drop;
+}
+
+static void ath12k_dp_rx_h_tkip_mic_err(struct ath12k *ar, struct sk_buff *msdu,
+					struct ieee80211_rx_status *status)
+{
+	struct ath12k_base *ab = ar->ab;
+	u16 msdu_len;
+	struct hal_rx_desc *desc = (struct hal_rx_desc *)msdu->data;
+	u8 l3pad_bytes;
+	struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu);
+	u32 hal_rx_desc_sz = ar->ab->hw_params->hal_desc_sz;
+
+	rxcb->is_first_msdu = ath12k_dp_rx_h_first_msdu(ab, desc);
+	rxcb->is_last_msdu = ath12k_dp_rx_h_last_msdu(ab, desc);
+
+	l3pad_bytes = ath12k_dp_rx_h_l3pad(ab, desc);
+	msdu_len = ath12k_dp_rx_h_msdu_len(ab, desc);
+	skb_put(msdu, hal_rx_desc_sz + l3pad_bytes + msdu_len);
+	skb_pull(msdu, hal_rx_desc_sz + l3pad_bytes);
+
+	ath12k_dp_rx_h_ppdu(ar, desc, status);
+
+	status->flag |= (RX_FLAG_MMIC_STRIPPED | RX_FLAG_MMIC_ERROR |
+			 RX_FLAG_DECRYPTED);
+
+	ath12k_dp_rx_h_undecap(ar, msdu, desc,
+			       HAL_ENCRYPT_TYPE_TKIP_MIC, status, false);
+}
+
+static bool ath12k_dp_rx_h_rxdma_err(struct ath12k *ar,  struct sk_buff *msdu,
+				     struct ieee80211_rx_status *status)
+{
+	struct ath12k_base *ab = ar->ab;
+	struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu);
+	struct hal_rx_desc *rx_desc = (struct hal_rx_desc *)msdu->data;
+	bool drop = false;
+	u32 err_bitmap;
+
+	ar->ab->soc_stats.rxdma_error[rxcb->err_code]++;
+
+	switch (rxcb->err_code) {
+	case HAL_REO_ENTR_RING_RXDMA_ECODE_DECRYPT_ERR:
+	case HAL_REO_ENTR_RING_RXDMA_ECODE_TKIP_MIC_ERR:
+		err_bitmap = ath12k_dp_rx_h_mpdu_err(ab, rx_desc);
+		if (err_bitmap & HAL_RX_MPDU_ERR_TKIP_MIC) {
+			ath12k_dp_rx_h_tkip_mic_err(ar, msdu, status);
+			break;
+		}
+		fallthrough;
+	default:
+		/* TODO: Review other rxdma error code to check if anything is
+		 * worth reporting to mac80211
+		 */
+		drop = true;
+		break;
+	}
+
+	return drop;
+}
+
+static void ath12k_dp_rx_wbm_err(struct ath12k *ar,
+				 struct napi_struct *napi,
+				 struct sk_buff *msdu,
+				 struct sk_buff_head *msdu_list)
+{
+	struct ath12k_skb_rxcb *rxcb = ATH12K_SKB_RXCB(msdu);
+	struct ieee80211_rx_status rxs = {0};
+	bool drop = true;
+
+	switch (rxcb->err_rel_src) {
+	case HAL_WBM_REL_SRC_MODULE_REO:
+		drop = ath12k_dp_rx_h_reo_err(ar, msdu, &rxs, msdu_list);
+		break;
+	case HAL_WBM_REL_SRC_MODULE_RXDMA:
+		drop = ath12k_dp_rx_h_rxdma_err(ar, msdu, &rxs);
+		break;
+	default:
+		/* msdu will get freed */
+		break;
+	}
+
+	if (drop) {
+		dev_kfree_skb_any(msdu);
+		return;
+	}
+
+	ath12k_dp_rx_deliver_msdu(ar, napi, msdu, &rxs);
+}
+
+int ath12k_dp_rx_process_wbm_err(struct ath12k_base *ab,
+				 struct napi_struct *napi, int budget)
+{
+	struct ath12k *ar;
+	struct ath12k_dp *dp = &ab->dp;
+	struct dp_rxdma_ring *rx_ring;
+	struct hal_rx_wbm_rel_info err_info;
+	struct hal_srng *srng;
+	struct sk_buff *msdu;
+	struct sk_buff_head msdu_list[MAX_RADIOS];
+	struct ath12k_skb_rxcb *rxcb;
+	void *rx_desc;
+	int mac_id;
+	int num_buffs_reaped = 0;
+	struct ath12k_rx_desc_info *desc_info;
+	int ret, i;
+
+	for (i = 0; i < ab->num_radios; i++)
+		__skb_queue_head_init(&msdu_list[i]);
+
+	srng = &ab->hal.srng_list[dp->rx_rel_ring.ring_id];
+	rx_ring = &dp->rx_refill_buf_ring;
+
+	spin_lock_bh(&srng->lock);
+
+	ath12k_hal_srng_access_begin(ab, srng);
+
+	while (budget) {
+		rx_desc = ath12k_hal_srng_dst_get_next_entry(ab, srng);
+		if (!rx_desc)
+			break;
+
+		ret = ath12k_hal_wbm_desc_parse_err(ab, rx_desc, &err_info);
+		if (ret) {
+			ath12k_warn(ab,
+				    "failed to parse rx error in wbm_rel ring desc %d\n",
+				    ret);
+			continue;
+		}
+
+		desc_info = (struct ath12k_rx_desc_info *)err_info.rx_desc;
+
+		/* retry manual desc retrieval if hw cc is not done */
+		if (!desc_info) {
+			desc_info = ath12k_dp_get_rx_desc(ab, err_info.cookie);
+			if (!desc_info) {
+				ath12k_warn(ab, "Invalid cookie in manual desc retrival");
+				continue;
+			}
+		}
+
+		/* FIXME: Extract mac id correctly. Since descs are not tied
+		 * to mac, we can extract from vdev id in ring desc.
+		 */
+		mac_id = 0;
+
+		if (desc_info->magic != ATH12K_DP_RX_DESC_MAGIC)
+			ath12k_warn(ab, "WBM RX err, Check HW CC implementation");
+
+		msdu = desc_info->skb;
+		desc_info->skb = NULL;
+
+		spin_lock_bh(&dp->rx_desc_lock);
+		list_move_tail(&desc_info->list, &dp->rx_desc_free_list);
+		spin_unlock_bh(&dp->rx_desc_lock);
+
+		rxcb = ATH12K_SKB_RXCB(msdu);
+		dma_unmap_single(ab->dev, rxcb->paddr,
+				 msdu->len + skb_tailroom(msdu),
+				 DMA_FROM_DEVICE);
+
+		num_buffs_reaped++;
+
+		if (!err_info.continuation)
+			budget--;
+
+		if (err_info.push_reason !=
+		    HAL_REO_DEST_RING_PUSH_REASON_ERR_DETECTED) {
+			dev_kfree_skb_any(msdu);
+			continue;
+		}
+
+		rxcb->err_rel_src = err_info.err_rel_src;
+		rxcb->err_code = err_info.err_code;
+		rxcb->rx_desc = (struct hal_rx_desc *)msdu->data;
+		__skb_queue_tail(&msdu_list[mac_id], msdu);
+
+		rxcb->is_first_msdu = err_info.first_msdu;
+		rxcb->is_last_msdu = err_info.last_msdu;
+		rxcb->is_continuation = err_info.continuation;
+	}
+
+	ath12k_hal_srng_access_end(ab, srng);
+
+	spin_unlock_bh(&srng->lock);
+
+	if (!num_buffs_reaped)
+		goto done;
+
+	ath12k_dp_rx_bufs_replenish(ab, 0, rx_ring, num_buffs_reaped,
+				    ab->hw_params->hal_params->rx_buf_rbm, true);
+
+	rcu_read_lock();
+	for (i = 0; i <  ab->num_radios; i++) {
+		if (!rcu_dereference(ab->pdevs_active[i])) {
+			__skb_queue_purge(&msdu_list[i]);
+			continue;
+		}
+
+		ar = ab->pdevs[i].ar;
+
+		if (test_bit(ATH12K_CAC_RUNNING, &ar->dev_flags)) {
+			__skb_queue_purge(&msdu_list[i]);
+			continue;
+		}
+
+		while ((msdu = __skb_dequeue(&msdu_list[i])) != NULL)
+			ath12k_dp_rx_wbm_err(ar, napi, msdu, &msdu_list[i]);
+	}
+	rcu_read_unlock();
+done:
+	return num_buffs_reaped;
+}
+
+void ath12k_dp_rx_process_reo_status(struct ath12k_base *ab)
+{
+	struct ath12k_dp *dp = &ab->dp;
+	struct hal_tlv_64_hdr *hdr;
+	struct hal_srng *srng;
+	struct ath12k_dp_rx_reo_cmd *cmd, *tmp;
+	bool found = false;
+	u16 tag;
+	struct hal_reo_status reo_status;
+
+	srng = &ab->hal.srng_list[dp->reo_status_ring.ring_id];
+
+	memset(&reo_status, 0, sizeof(reo_status));
+
+	spin_lock_bh(&srng->lock);
+
+	ath12k_hal_srng_access_begin(ab, srng);
+
+	while ((hdr = ath12k_hal_srng_dst_get_next_entry(ab, srng))) {
+		tag = u64_get_bits(hdr->tl, HAL_SRNG_TLV_HDR_TAG);
+
+		switch (tag) {
+		case HAL_REO_GET_QUEUE_STATS_STATUS:
+			ath12k_hal_reo_status_queue_stats(ab, hdr,
+							  &reo_status);
+			break;
+		case HAL_REO_FLUSH_QUEUE_STATUS:
+			ath12k_hal_reo_flush_queue_status(ab, hdr,
+							  &reo_status);
+			break;
+		case HAL_REO_FLUSH_CACHE_STATUS:
+			ath12k_hal_reo_flush_cache_status(ab, hdr,
+							  &reo_status);
+			break;
+		case HAL_REO_UNBLOCK_CACHE_STATUS:
+			ath12k_hal_reo_unblk_cache_status(ab, hdr,
+							  &reo_status);
+			break;
+		case HAL_REO_FLUSH_TIMEOUT_LIST_STATUS:
+			ath12k_hal_reo_flush_timeout_list_status(ab, hdr,
+								 &reo_status);
+			break;
+		case HAL_REO_DESCRIPTOR_THRESHOLD_REACHED_STATUS:
+			ath12k_hal_reo_desc_thresh_reached_status(ab, hdr,
+								  &reo_status);
+			break;
+		case HAL_REO_UPDATE_RX_REO_QUEUE_STATUS:
+			ath12k_hal_reo_update_rx_reo_queue_status(ab, hdr,
+								  &reo_status);
+			break;
+		default:
+			ath12k_warn(ab, "Unknown reo status type %d\n", tag);
+			continue;
+		}
+
+		spin_lock_bh(&dp->reo_cmd_lock);
+		list_for_each_entry_safe(cmd, tmp, &dp->reo_cmd_list, list) {
+			if (reo_status.uniform_hdr.cmd_num == cmd->cmd_num) {
+				found = true;
+				list_del(&cmd->list);
+				break;
+			}
+		}
+		spin_unlock_bh(&dp->reo_cmd_lock);
+
+		if (found) {
+			cmd->handler(dp, (void *)&cmd->data,
+				     reo_status.uniform_hdr.cmd_status);
+			kfree(cmd);
+		}
+
+		found = false;
+	}
+
+	ath12k_hal_srng_access_end(ab, srng);
+
+	spin_unlock_bh(&srng->lock);
+}
+
+void ath12k_dp_rx_free(struct ath12k_base *ab)
+{
+	struct ath12k_dp *dp = &ab->dp;
+	int i;
+
+	ath12k_dp_srng_cleanup(ab, &dp->rx_refill_buf_ring.refill_buf_ring);
+
+	for (i = 0; i < ab->hw_params->num_rxmda_per_pdev; i++) {
+		if (ab->hw_params->rx_mac_buf_ring)
+			ath12k_dp_srng_cleanup(ab, &dp->rx_mac_buf_ring[i]);
+	}
+
+	for (i = 0; i < ab->hw_params->num_rxdma_dst_ring; i++)
+		ath12k_dp_srng_cleanup(ab, &dp->rxdma_err_dst_ring[i]);
+
+	ath12k_dp_srng_cleanup(ab, &dp->rxdma_mon_buf_ring.refill_buf_ring);
+	ath12k_dp_srng_cleanup(ab, &dp->tx_mon_buf_ring.refill_buf_ring);
+
+	ath12k_dp_rxdma_buf_free(ab);
+}
+
+void ath12k_dp_rx_pdev_free(struct ath12k_base *ab, int mac_id)
+{
+	struct ath12k *ar = ab->pdevs[mac_id].ar;
+
+	ath12k_dp_rx_pdev_srng_free(ar);
+}
+
+int ath12k_dp_rxdma_ring_sel_config_qcn9274(struct ath12k_base *ab)
+{
+	struct ath12k_dp *dp = &ab->dp;
+	struct htt_rx_ring_tlv_filter tlv_filter = {0};
+	u32 ring_id;
+	int ret;
+	u32 hal_rx_desc_sz = ab->hw_params->hal_desc_sz;
+
+	ring_id = dp->rx_refill_buf_ring.refill_buf_ring.ring_id;
+
+	tlv_filter.rx_filter = HTT_RX_TLV_FLAGS_RXDMA_RING;
+	tlv_filter.pkt_filter_flags2 = HTT_RX_FP_CTRL_PKT_FILTER_TLV_FLAGS2_BAR;
+	tlv_filter.pkt_filter_flags3 = HTT_RX_FP_DATA_PKT_FILTER_TLV_FLASG3_MCAST |
+					HTT_RX_FP_DATA_PKT_FILTER_TLV_FLASG3_UCAST |
+					HTT_RX_FP_DATA_PKT_FILTER_TLV_FLASG3_NULL_DATA;
+	tlv_filter.offset_valid = true;
+	tlv_filter.rx_packet_offset = hal_rx_desc_sz;
+
+	tlv_filter.rx_mpdu_start_offset =
+			ab->hw_params->hal_ops->rx_desc_get_mpdu_start_offset();
+	tlv_filter.rx_msdu_end_offset =
+		ab->hw_params->hal_ops->rx_desc_get_msdu_end_offset();
+
+	/* TODO: Selectively subscribe to required qwords within msdu_end
+	 * and mpdu_start and setup the mask in below msg
+	 * and modify the rx_desc struct
+	 */
+	ret = ath12k_dp_tx_htt_rx_filter_setup(ab, ring_id, 0,
+					       HAL_RXDMA_BUF,
+					       DP_RXDMA_REFILL_RING_SIZE,
+					       &tlv_filter);
+
+	return ret;
+}
+
+int ath12k_dp_rxdma_ring_sel_config_wcn7850(struct ath12k_base *ab)
+{
+	struct ath12k_dp *dp = &ab->dp;
+	struct htt_rx_ring_tlv_filter tlv_filter = {0};
+	u32 ring_id;
+	int ret;
+	u32 hal_rx_desc_sz = ab->hw_params->hal_desc_sz;
+	int i;
+
+	ring_id = dp->rx_refill_buf_ring.refill_buf_ring.ring_id;
+
+	tlv_filter.rx_filter = HTT_RX_TLV_FLAGS_RXDMA_RING;
+	tlv_filter.pkt_filter_flags2 = HTT_RX_FP_CTRL_PKT_FILTER_TLV_FLAGS2_BAR;
+	tlv_filter.pkt_filter_flags3 = HTT_RX_FP_DATA_PKT_FILTER_TLV_FLASG3_MCAST |
+					HTT_RX_FP_DATA_PKT_FILTER_TLV_FLASG3_UCAST |
+					HTT_RX_FP_DATA_PKT_FILTER_TLV_FLASG3_NULL_DATA;
+	tlv_filter.offset_valid = true;
+	tlv_filter.rx_packet_offset = hal_rx_desc_sz;
+
+	tlv_filter.rx_header_offset = offsetof(struct hal_rx_desc_wcn7850, pkt_hdr_tlv);
+
+	tlv_filter.rx_mpdu_start_offset =
+			ab->hw_params->hal_ops->rx_desc_get_mpdu_start_offset();
+	tlv_filter.rx_msdu_end_offset =
+		ab->hw_params->hal_ops->rx_desc_get_msdu_end_offset();
+
+	/* TODO: Selectively subscribe to required qwords within msdu_end
+	 * and mpdu_start and setup the mask in below msg
+	 * and modify the rx_desc struct
+	 */
+
+	for (i = 0; i < ab->hw_params->num_rxmda_per_pdev; i++) {
+		ring_id = dp->rx_mac_buf_ring[i].ring_id;
+		ret = ath12k_dp_tx_htt_rx_filter_setup(ab, ring_id, i,
+						       HAL_RXDMA_BUF,
+						       DP_RXDMA_REFILL_RING_SIZE,
+						       &tlv_filter);
+	}
+
+	return ret;
+}
+
+int ath12k_dp_rx_htt_setup(struct ath12k_base *ab)
+{
+	struct ath12k_dp *dp = &ab->dp;
+	u32 ring_id;
+	int i, ret;
+
+	/* TODO: Need to verify the HTT setup for QCN9224 */
+	ring_id = dp->rx_refill_buf_ring.refill_buf_ring.ring_id;
+	ret = ath12k_dp_tx_htt_srng_setup(ab, ring_id, 0, HAL_RXDMA_BUF);
+	if (ret) {
+		ath12k_warn(ab, "failed to configure rx_refill_buf_ring %d\n",
+			    ret);
+		return ret;
+	}
+
+	if (ab->hw_params->rx_mac_buf_ring) {
+		for (i = 0; i < ab->hw_params->num_rxmda_per_pdev; i++) {
+			ring_id = dp->rx_mac_buf_ring[i].ring_id;
+			ret = ath12k_dp_tx_htt_srng_setup(ab, ring_id,
+							  i, HAL_RXDMA_BUF);
+			if (ret) {
+				ath12k_warn(ab, "failed to configure rx_mac_buf_ring%d %d\n",
+					    i, ret);
+				return ret;
+			}
+		}
+	}
+
+	for (i = 0; i < ab->hw_params->num_rxdma_dst_ring; i++) {
+		ring_id = dp->rxdma_err_dst_ring[i].ring_id;
+		ret = ath12k_dp_tx_htt_srng_setup(ab, ring_id,
+						  i, HAL_RXDMA_DST);
+		if (ret) {
+			ath12k_warn(ab, "failed to configure rxdma_err_dest_ring%d %d\n",
+				    i, ret);
+			return ret;
+		}
+	}
+
+	if (ab->hw_params->rxdma1_enable) {
+		ring_id = dp->rxdma_mon_buf_ring.refill_buf_ring.ring_id;
+		ret = ath12k_dp_tx_htt_srng_setup(ab, ring_id,
+						  0, HAL_RXDMA_MONITOR_BUF);
+		if (ret) {
+			ath12k_warn(ab, "failed to configure rxdma_mon_buf_ring %d\n",
+				    ret);
+			return ret;
+		}
+
+		ring_id = dp->tx_mon_buf_ring.refill_buf_ring.ring_id;
+		ret = ath12k_dp_tx_htt_srng_setup(ab, ring_id,
+						  0, HAL_TX_MONITOR_BUF);
+		if (ret) {
+			ath12k_warn(ab, "failed to configure rxdma_mon_buf_ring %d\n",
+				    ret);
+			return ret;
+		}
+	}
+
+	ret = ab->hw_params->hw_ops->rxdma_ring_sel_config(ab);
+	if (ret) {
+		ath12k_warn(ab, "failed to setup rxdma ring selection config\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+int ath12k_dp_rx_alloc(struct ath12k_base *ab)
+{
+	struct ath12k_dp *dp = &ab->dp;
+	int i, ret;
+
+	idr_init(&dp->rx_refill_buf_ring.bufs_idr);
+	spin_lock_init(&dp->rx_refill_buf_ring.idr_lock);
+
+	idr_init(&dp->rxdma_mon_buf_ring.bufs_idr);
+	spin_lock_init(&dp->rxdma_mon_buf_ring.idr_lock);
+
+	idr_init(&dp->tx_mon_buf_ring.bufs_idr);
+	spin_lock_init(&dp->tx_mon_buf_ring.idr_lock);
+
+	ret = ath12k_dp_srng_setup(ab,
+				   &dp->rx_refill_buf_ring.refill_buf_ring,
+				   HAL_RXDMA_BUF, 0, 0,
+				   DP_RXDMA_BUF_RING_SIZE);
+	if (ret) {
+		ath12k_warn(ab, "failed to setup rx_refill_buf_ring\n");
+		return ret;
+	}
+
+	if (ab->hw_params->rx_mac_buf_ring) {
+		for (i = 0; i < ab->hw_params->num_rxmda_per_pdev; i++) {
+			ret = ath12k_dp_srng_setup(ab,
+						   &dp->rx_mac_buf_ring[i],
+						   HAL_RXDMA_BUF, 1,
+						   i, 1024);
+			if (ret) {
+				ath12k_warn(ab, "failed to setup rx_mac_buf_ring %d\n",
+					    i);
+				return ret;
+			}
+		}
+	}
+
+	for (i = 0; i < ab->hw_params->num_rxdma_dst_ring; i++) {
+		ret = ath12k_dp_srng_setup(ab, &dp->rxdma_err_dst_ring[i],
+					   HAL_RXDMA_DST, 0, i,
+					   DP_RXDMA_ERR_DST_RING_SIZE);
+		if (ret) {
+			ath12k_warn(ab, "failed to setup rxdma_err_dst_ring %d\n", i);
+			return ret;
+		}
+	}
+
+	if (ab->hw_params->rxdma1_enable) {
+		ret = ath12k_dp_srng_setup(ab,
+					   &dp->rxdma_mon_buf_ring.refill_buf_ring,
+					   HAL_RXDMA_MONITOR_BUF, 0, 0,
+					   DP_RXDMA_MONITOR_BUF_RING_SIZE);
+		if (ret) {
+			ath12k_warn(ab, "failed to setup HAL_RXDMA_MONITOR_BUF\n");
+			return ret;
+		}
+
+		ret = ath12k_dp_srng_setup(ab,
+					   &dp->tx_mon_buf_ring.refill_buf_ring,
+					   HAL_TX_MONITOR_BUF, 0, 0,
+					   DP_TX_MONITOR_BUF_RING_SIZE);
+		if (ret) {
+			ath12k_warn(ab, "failed to setup DP_TX_MONITOR_BUF_RING_SIZE\n");
+			return ret;
+		}
+	}
+
+	ret = ath12k_dp_rxdma_buf_setup(ab);
+	if (ret) {
+		ath12k_warn(ab, "failed to setup rxdma ring\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+int ath12k_dp_rx_pdev_alloc(struct ath12k_base *ab, int mac_id)
+{
+	struct ath12k *ar = ab->pdevs[mac_id].ar;
+	struct ath12k_pdev_dp *dp = &ar->dp;
+	u32 ring_id;
+	int i;
+	int ret;
+
+	if (!ab->hw_params->rxdma1_enable)
+		goto out;
+
+	ret = ath12k_dp_rx_pdev_srng_alloc(ar);
+	if (ret) {
+		ath12k_warn(ab, "failed to setup rx srngs\n");
+		return ret;
+	}
+
+	for (i = 0; i < ab->hw_params->num_rxmda_per_pdev; i++) {
+		ring_id = dp->rxdma_mon_dst_ring[i].ring_id;
+		ret = ath12k_dp_tx_htt_srng_setup(ab, ring_id,
+						  mac_id + i,
+						  HAL_RXDMA_MONITOR_DST);
+		if (ret) {
+			ath12k_warn(ab,
+				    "failed to configure rxdma_mon_dst_ring %d %d\n",
+				    i, ret);
+			return ret;
+		}
+
+		ring_id = dp->tx_mon_dst_ring[i].ring_id;
+		ret = ath12k_dp_tx_htt_srng_setup(ab, ring_id,
+						  mac_id + i,
+						  HAL_TX_MONITOR_DST);
+		if (ret) {
+			ath12k_warn(ab,
+				    "failed to configure tx_mon_dst_ring %d %d\n",
+				    i, ret);
+			return ret;
+		}
+	}
+out:
+	return 0;
+}
+
+static int ath12k_dp_rx_pdev_mon_status_attach(struct ath12k *ar)
+{
+	struct ath12k_pdev_dp *dp = &ar->dp;
+	struct ath12k_mon_data *pmon = (struct ath12k_mon_data *)&dp->mon_data;
+
+	skb_queue_head_init(&pmon->rx_status_q);
+
+	pmon->mon_ppdu_status = DP_PPDU_STATUS_START;
+
+	memset(&pmon->rx_mon_stats, 0,
+	       sizeof(pmon->rx_mon_stats));
+	return 0;
+}
+
+int ath12k_dp_rx_pdev_mon_attach(struct ath12k *ar)
+{
+	struct ath12k_pdev_dp *dp = &ar->dp;
+	struct ath12k_mon_data *pmon = &dp->mon_data;
+	int ret = 0;
+
+	ret = ath12k_dp_rx_pdev_mon_status_attach(ar);
+	if (ret) {
+		ath12k_warn(ar->ab, "pdev_mon_status_attach() failed");
+		return ret;
+	}
+
+	/* if rxdma1_enable is false, no need to setup
+	 * rxdma_mon_desc_ring.
+	 */
+	if (!ar->ab->hw_params->rxdma1_enable)
+		return 0;
+
+	pmon->mon_last_linkdesc_paddr = 0;
+	pmon->mon_last_buf_cookie = DP_RX_DESC_COOKIE_MAX + 1;
+	spin_lock_init(&pmon->mon_lock);
+
+	return 0;
+}
+
+int ath12k_dp_rx_pktlog_start(struct ath12k_base *ab)
+{
+	/* start reap timer */
+	mod_timer(&ab->mon_reap_timer,
+		  jiffies + msecs_to_jiffies(ATH12K_MON_TIMER_INTERVAL));
+
+	return 0;
+}
+
+int ath12k_dp_rx_pktlog_stop(struct ath12k_base *ab, bool stop_timer)
+{
+	int ret;
+
+	if (stop_timer)
+		del_timer_sync(&ab->mon_reap_timer);
+
+	/* reap all the monitor related rings */
+	ret = ath12k_dp_purge_mon_ring(ab);
+	if (ret) {
+		ath12k_warn(ab, "failed to purge dp mon ring: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}