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

/*
 * Copyright (c) 2016-2021 The Linux Foundation. All rights reserved.
 * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
 *
 * Permission to use, copy, modify, and/or distribute this software for
 * any purpose with or without fee is hereby granted, provided that the
 * above copyright notice and this permission notice appear in all
 * copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 * PERFORMANCE OF THIS SOFTWARE.
 */
#include "htt.h"
#include "dp_peer.h"
#include "hal_rx.h"
#include "hal_api.h"
#include "qdf_nbuf.h"
#include "dp_types.h"
#include "dp_internal.h"
#include "dp_tx.h"
#include "enet.h"
#ifdef WIFI_MONITOR_SUPPORT
#include "dp_mon.h"
#endif
#include "dp_txrx_wds.h"

/* Generic AST entry aging timer value */
#define DP_AST_AGING_TIMER_DEFAULT_MS	5000
#define DP_INVALID_AST_IDX 0xffff
#define DP_INVALID_FLOW_PRIORITY 0xff
#define DP_PEER_AST0_FLOW_MASK 0x4
#define DP_PEER_AST1_FLOW_MASK 0x8
#define DP_PEER_AST2_FLOW_MASK 0x1
#define DP_PEER_AST3_FLOW_MASK 0x2
#define DP_MAX_AST_INDEX_PER_PEER 4

#ifdef WLAN_FEATURE_MULTI_AST_DEL

void dp_peer_free_peer_ase_list(struct dp_soc *soc,
				struct peer_del_multi_wds_entries *wds_list)
{
	struct peer_wds_entry_list *wds_entry, *tmp_entry;

	TAILQ_FOREACH_SAFE(wds_entry, &wds_list->ase_list,
			   ase_list_elem, tmp_entry) {
		dp_peer_debug("type: %d mac_addr: " QDF_MAC_ADDR_FMT,
			      wds_entry->type,
			      QDF_MAC_ADDR_REF(wds_entry->dest_addr));
		TAILQ_REMOVE(&wds_list->ase_list, wds_entry, ase_list_elem);
		wds_list->num_entries--;
		qdf_mem_free(wds_entry);
	}
}

static void
dp_pdev_build_peer_ase_list(struct dp_soc *soc, struct dp_peer *peer,
			    void *arg)
{
	struct dp_ast_entry *ase, *temp_ase;
	struct peer_del_multi_wds_entries *list = arg;
	struct peer_wds_entry_list *wds_entry;

	if (!soc || !peer || !arg) {
		dp_peer_err("Invalid input");
		return;
	}

	list->vdev_id = peer->vdev->vdev_id;
	DP_PEER_ITERATE_ASE_LIST(peer, ase, temp_ase) {
		if (ase->type != CDP_TXRX_AST_TYPE_WDS &&
		    ase->type != CDP_TXRX_AST_TYPE_DA)
			continue;

		if (ase->is_active) {
			ase->is_active = false;
			continue;
		}

		if (ase->delete_in_progress) {
			dp_info_rl("Del set addr:" QDF_MAC_ADDR_FMT " type:%d",
				   QDF_MAC_ADDR_REF(ase->mac_addr.raw),
				   ase->type);
			continue;
		}

		if (ase->is_mapped)
			soc->ast_table[ase->ast_idx] = NULL;

		if (!ase->next_hop) {
			dp_peer_unlink_ast_entry(soc, ase, peer);
			continue;
		}

		wds_entry = (struct peer_wds_entry_list *)
			    qdf_mem_malloc(sizeof(*wds_entry));
		if (!wds_entry) {
			dp_peer_err("%pK: fail to allocate wds_entry", soc);
			dp_peer_free_peer_ase_list(soc, list);
			return;
		}

		DP_STATS_INC(soc, ast.aged_out, 1);
		ase->delete_in_progress = true;
		wds_entry->dest_addr = ase->mac_addr.raw;
		wds_entry->type = ase->type;

		if (dp_peer_state_cmp(peer, DP_PEER_STATE_LOGICAL_DELETE))
			wds_entry->delete_in_fw = false;
		else
			wds_entry->delete_in_fw = true;

		dp_peer_debug("ase->type: %d pdev: %u vdev: %u mac_addr: " QDF_MAC_ADDR_FMT " next_hop: %u peer: %u",
			      ase->type, ase->pdev_id, ase->vdev_id,
			      QDF_MAC_ADDR_REF(ase->mac_addr.raw),
			      ase->next_hop, ase->peer_id);
		TAILQ_INSERT_TAIL(&list->ase_list, wds_entry, ase_list_elem);
		list->num_entries++;
	}
	dp_peer_info("Total num of entries :%d", list->num_entries);
}

static void
dp_peer_age_multi_ast_entries(struct dp_soc *soc, void *arg,
			      enum dp_mod_id mod_id)
{
	uint8_t i;
	struct dp_pdev *pdev = NULL;
	struct peer_del_multi_wds_entries wds_list = {0};

	TAILQ_INIT(&wds_list.ase_list);
	for (i = 0; i < MAX_PDEV_CNT && soc->pdev_list[i]; i++) {
		pdev = soc->pdev_list[i];
		dp_pdev_iterate_peer(pdev, dp_pdev_build_peer_ase_list,
				     &wds_list, mod_id);
		if (wds_list.num_entries > 0) {
			dp_peer_ast_send_multi_wds_del(soc, wds_list.vdev_id,
						       &wds_list);
			dp_peer_free_peer_ase_list(soc, &wds_list);
		} else {
			dp_peer_debug("No AST entries for pdev:%u",
				      pdev->pdev_id);
		}
	}
}
#endif /* WLAN_FEATURE_MULTI_AST_DEL */

static void
dp_peer_age_ast_entries(struct dp_soc *soc, struct dp_peer *peer, void *arg)
{
	struct dp_ast_entry *ase, *temp_ase;
	struct ast_del_ctxt *del_ctxt = (struct ast_del_ctxt *)arg;

	if ((del_ctxt->del_count >= soc->max_ast_ageout_count) &&
	    !del_ctxt->age) {
		return;
	}

	DP_PEER_ITERATE_ASE_LIST(peer, ase, temp_ase) {
		/*
		 * Do not expire static ast entries and HM WDS entries
		 */
		if (ase->type != CDP_TXRX_AST_TYPE_WDS &&
		    ase->type != CDP_TXRX_AST_TYPE_DA)
			continue;

		if (ase->is_active) {
			if (del_ctxt->age)
				ase->is_active = FALSE;

			continue;
		}

		if (del_ctxt->del_count < soc->max_ast_ageout_count) {
			DP_STATS_INC(soc, ast.aged_out, 1);
			dp_peer_del_ast(soc, ase);
			del_ctxt->del_count++;
		} else {
			soc->pending_ageout = true;
			if (!del_ctxt->age)
				break;
		}
	}
}

static void
dp_peer_age_mec_entries(struct dp_soc *soc)
{
	uint32_t index;
	struct dp_mec_entry *mecentry, *mecentry_next;

	TAILQ_HEAD(, dp_mec_entry) free_list;
	TAILQ_INIT(&free_list);

	for (index = 0; index <= soc->mec_hash.mask; index++) {
		qdf_spin_lock_bh(&soc->mec_lock);
		/*
		 * Expire MEC entry every n sec.
		 */
		if (!TAILQ_EMPTY(&soc->mec_hash.bins[index])) {
			TAILQ_FOREACH_SAFE(mecentry, &soc->mec_hash.bins[index],
					   hash_list_elem, mecentry_next) {
				if (mecentry->is_active) {
					mecentry->is_active = FALSE;
					continue;
				}
				dp_peer_mec_detach_entry(soc, mecentry,
							 &free_list);
			}
		}
		qdf_spin_unlock_bh(&soc->mec_lock);
	}

	dp_peer_mec_free_list(soc, &free_list);
}

#ifdef WLAN_FEATURE_MULTI_AST_DEL
static void dp_ast_aging_timer_fn(void *soc_hdl)
{
	struct dp_soc *soc = (struct dp_soc *)soc_hdl;
	struct ast_del_ctxt del_ctxt = {0};

	if (soc->wds_ast_aging_timer_cnt++ >= DP_WDS_AST_AGING_TIMER_CNT) {
		del_ctxt.age = true;
		soc->wds_ast_aging_timer_cnt = 0;
	}

	if (soc->pending_ageout || del_ctxt.age) {
		soc->pending_ageout = false;

		/* AST list access lock */
		qdf_spin_lock_bh(&soc->ast_lock);

		if (soc->multi_peer_grp_cmd_supported)
			dp_peer_age_multi_ast_entries(soc, NULL, DP_MOD_ID_AST);
		else
			dp_soc_iterate_peer(soc, dp_peer_age_ast_entries,
					    &del_ctxt, DP_MOD_ID_AST);
		qdf_spin_unlock_bh(&soc->ast_lock);
	}

	/*
	 * If NSS offload is enabled, the MEC timeout
	 * will be managed by NSS.
	 */
	if (qdf_atomic_read(&soc->mec_cnt) &&
	    !wlan_cfg_get_dp_soc_nss_cfg(soc->wlan_cfg_ctx))
		dp_peer_age_mec_entries(soc);

	if (qdf_atomic_read(&soc->cmn_init_done))
		qdf_timer_mod(&soc->ast_aging_timer,
			      DP_AST_AGING_TIMER_DEFAULT_MS);
}
#else
static void dp_ast_aging_timer_fn(void *soc_hdl)
{
	struct dp_soc *soc = (struct dp_soc *)soc_hdl;
	struct ast_del_ctxt del_ctxt = {0};

	if (soc->wds_ast_aging_timer_cnt++ >= DP_WDS_AST_AGING_TIMER_CNT) {
		del_ctxt.age = true;
		soc->wds_ast_aging_timer_cnt = 0;
	}

	if (soc->pending_ageout || del_ctxt.age) {
		soc->pending_ageout = false;

		/* AST list access lock */
		qdf_spin_lock_bh(&soc->ast_lock);
		dp_soc_iterate_peer(soc, dp_peer_age_ast_entries,
				    &del_ctxt, DP_MOD_ID_AST);
		qdf_spin_unlock_bh(&soc->ast_lock);
	}

	/*
	 * If NSS offload is enabled, the MEC timeout
	 * will be managed by NSS.
	 */
	if (qdf_atomic_read(&soc->mec_cnt) &&
	    !wlan_cfg_get_dp_soc_nss_cfg(soc->wlan_cfg_ctx))
		dp_peer_age_mec_entries(soc);

	if (qdf_atomic_read(&soc->cmn_init_done))
		qdf_timer_mod(&soc->ast_aging_timer,
			      DP_AST_AGING_TIMER_DEFAULT_MS);
}
#endif /* WLAN_FEATURE_MULTI_AST_DEL */

#ifndef IPA_WDS_EASYMESH_FEATURE
void dp_soc_wds_attach(struct dp_soc *soc)
{
	if (soc->ast_offload_support)
		return;

	soc->wds_ast_aging_timer_cnt = 0;
	soc->pending_ageout = false;
	qdf_timer_init(soc->osdev, &soc->ast_aging_timer,
		       dp_ast_aging_timer_fn, (void *)soc,
		       QDF_TIMER_TYPE_WAKE_APPS);

	qdf_timer_mod(&soc->ast_aging_timer, DP_AST_AGING_TIMER_DEFAULT_MS);
}

void dp_soc_wds_detach(struct dp_soc *soc)
{
	qdf_timer_stop(&soc->ast_aging_timer);
	qdf_timer_free(&soc->ast_aging_timer);
}
#else
void dp_soc_wds_attach(struct dp_soc *soc)
{
}

void dp_soc_wds_detach(struct dp_soc *soc)
{
}
#endif

void dp_tx_mec_handler(struct dp_vdev *vdev, uint8_t *status)
{
	struct dp_soc *soc;
	QDF_STATUS add_mec_status;
	uint8_t mac_addr[QDF_MAC_ADDR_SIZE], i;

	if (!vdev->mec_enabled)
		return;

	/* MEC required only in STA mode */
	if (vdev->opmode != wlan_op_mode_sta)
		return;

	soc = vdev->pdev->soc;

	for (i = 0; i < QDF_MAC_ADDR_SIZE; i++)
		mac_addr[(QDF_MAC_ADDR_SIZE - 1) - i] =
					status[(QDF_MAC_ADDR_SIZE - 2) + i];

	dp_peer_debug("%pK: MEC add for mac_addr "QDF_MAC_ADDR_FMT,
		      soc, QDF_MAC_ADDR_REF(mac_addr));

	if (qdf_mem_cmp(mac_addr, vdev->mac_addr.raw, QDF_MAC_ADDR_SIZE)) {
		add_mec_status = dp_peer_mec_add_entry(soc, vdev, mac_addr);
		dp_peer_debug("%pK: MEC add status %d", vdev, add_mec_status);
	}
}

#ifndef QCA_HOST_MODE_WIFI_DISABLED

void
dp_rx_da_learn(struct dp_soc *soc,
	       uint8_t *rx_tlv_hdr,
	       struct dp_txrx_peer *ta_txrx_peer,
	       qdf_nbuf_t nbuf)
{
	struct dp_peer *base_peer;
	/* For HKv2 DA port learing is not needed */
	if (qdf_likely(soc->ast_override_support))
		return;

	if (qdf_unlikely(!ta_txrx_peer))
		return;

	if (qdf_unlikely(ta_txrx_peer->vdev->opmode != wlan_op_mode_ap))
		return;

	if (!soc->da_war_enabled)
		return;

	if (qdf_unlikely(!qdf_nbuf_is_da_valid(nbuf) &&
			 !qdf_nbuf_is_da_mcbc(nbuf))) {
		base_peer = dp_peer_get_ref_by_id(soc, ta_txrx_peer->peer_id,
						  DP_MOD_ID_AST);

		if (base_peer) {
			dp_peer_add_ast(soc,
					base_peer,
					qdf_nbuf_data(nbuf),
					CDP_TXRX_AST_TYPE_DA,
					DP_AST_FLAGS_HM);

			dp_peer_unref_delete(base_peer, DP_MOD_ID_AST);
		}
	}
}

#ifdef WDS_VENDOR_EXTENSION
QDF_STATUS
dp_txrx_set_wds_rx_policy(struct cdp_soc_t *soc_hdl, uint8_t vdev_id,
			  u_int32_t val)
{
	struct dp_soc *soc = cdp_soc_t_to_dp_soc(soc_hdl);
	struct dp_peer *peer;
	struct dp_vdev *vdev = dp_vdev_get_ref_by_id(soc, vdev_id,
						     DP_MOD_ID_MISC);
	if (!vdev) {
		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
			  FL("vdev is NULL for vdev_id %d"), vdev_id);
		return QDF_STATUS_E_INVAL;
	}

	peer = dp_vdev_bss_peer_ref_n_get(vdev, DP_MOD_ID_AST);

	if (peer) {
		peer->txrx_peer->wds_ecm.wds_rx_filter = 1;
		peer->txrx_peer->wds_ecm.wds_rx_ucast_4addr =
			(val & WDS_POLICY_RX_UCAST_4ADDR) ? 1 : 0;
		peer->txrx_peer->wds_ecm.wds_rx_mcast_4addr =
			(val & WDS_POLICY_RX_MCAST_4ADDR) ? 1 : 0;
		dp_peer_unref_delete(peer, DP_MOD_ID_AST);
	}

	dp_vdev_unref_delete(soc, vdev, DP_MOD_ID_MISC);
	return QDF_STATUS_SUCCESS;
}

QDF_STATUS
dp_txrx_peer_wds_tx_policy_update(struct cdp_soc_t *soc,  uint8_t vdev_id,
				  uint8_t *peer_mac, int wds_tx_ucast,
				  int wds_tx_mcast)
{
	struct dp_peer *peer =
			dp_peer_get_tgt_peer_hash_find((struct dp_soc *)soc,
						       peer_mac, 0,
						       vdev_id,
						       DP_MOD_ID_AST);
	if (!peer) {
		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
			  FL("peer is NULL for mac" QDF_MAC_ADDR_FMT
			     " vdev_id %d"), QDF_MAC_ADDR_REF(peer_mac),
			     vdev_id);
		return QDF_STATUS_E_INVAL;
	}

	if (!peer->txrx_peer) {
		dp_peer_unref_delete(peer, DP_MOD_ID_AST);
		return QDF_STATUS_E_INVAL;
	}

	if (wds_tx_ucast || wds_tx_mcast) {
		peer->txrx_peer->wds_enabled = 1;
		peer->txrx_peer->wds_ecm.wds_tx_ucast_4addr = wds_tx_ucast;
		peer->txrx_peer->wds_ecm.wds_tx_mcast_4addr = wds_tx_mcast;
	} else {
		peer->txrx_peer->wds_enabled = 0;
		peer->txrx_peer->wds_ecm.wds_tx_ucast_4addr = 0;
		peer->txrx_peer->wds_ecm.wds_tx_mcast_4addr = 0;
	}

	QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO,
		  "Policy Update set to :\n");
	QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO,
		  "peer->wds_enabled %d\n", peer->wds_enabled);
	QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO,
		  "peer->wds_ecm.wds_tx_ucast_4addr %d\n",
		  peer->txrx_peer->wds_ecm.wds_tx_ucast_4addr);
	QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_INFO,
		  "peer->wds_ecm.wds_tx_mcast_4addr %d\n",
		  peer->txrx_peer->wds_ecm.wds_tx_mcast_4addr);

	dp_peer_unref_delete(peer, DP_MOD_ID_AST);
	return QDF_STATUS_SUCCESS;
}

int dp_wds_rx_policy_check(uint8_t *rx_tlv_hdr,
			   struct dp_vdev *vdev,
			   struct dp_txrx_peer *txrx_peer)
{
	struct dp_peer *bss_peer;
	int fr_ds, to_ds, rx_3addr, rx_4addr;
	int rx_policy_ucast, rx_policy_mcast;
	hal_soc_handle_t hal_soc = vdev->pdev->soc->hal_soc;
	int rx_mcast = hal_rx_msdu_end_da_is_mcbc_get(hal_soc, rx_tlv_hdr);

	if (vdev->opmode == wlan_op_mode_ap) {
		bss_peer = dp_vdev_bss_peer_ref_n_get(vdev, DP_MOD_ID_AST);
		/* if wds policy check is not enabled on this vdev, accept all frames */
		if (bss_peer && !bss_peer->txrx_peer->wds_ecm.wds_rx_filter) {
			dp_peer_unref_delete(bss_peer, DP_MOD_ID_AST);
			return 1;
		}
		rx_policy_ucast = bss_peer->txrx_peerwds_ecm.wds_rx_ucast_4addr;
		rx_policy_mcast = bss_peer->txrx_peerwds_ecm.wds_rx_mcast_4addr;
		dp_peer_unref_delete(bss_peer, DP_MOD_ID_AST);
	} else {             /* sta mode */
		if (!txrx_peer->wds_ecm.wds_rx_filter)
			return 1;

		rx_policy_ucast = txrx_peer->wds_ecm.wds_rx_ucast_4addr;
		rx_policy_mcast = txrx_peer->wds_ecm.wds_rx_mcast_4addr;
	}

	/* ------------------------------------------------
	 *                       self
	 * peer-             rx  rx-
	 * wds  ucast mcast dir policy accept note
	 * ------------------------------------------------
	 * 1     1     0     11  x1     1      AP configured to accept ds-to-ds Rx ucast from wds peers, constraint met; so, accept
	 * 1     1     0     01  x1     0      AP configured to accept ds-to-ds Rx ucast from wds peers, constraint not met; so, drop
	 * 1     1     0     10  x1     0      AP configured to accept ds-to-ds Rx ucast from wds peers, constraint not met; so, drop
	 * 1     1     0     00  x1     0      bad frame, won't see it
	 * 1     0     1     11  1x     1      AP configured to accept ds-to-ds Rx mcast from wds peers, constraint met; so, accept
	 * 1     0     1     01  1x     0      AP configured to accept ds-to-ds Rx mcast from wds peers, constraint not met; so, drop
	 * 1     0     1     10  1x     0      AP configured to accept ds-to-ds Rx mcast from wds peers, constraint not met; so, drop
	 * 1     0     1     00  1x     0      bad frame, won't see it
	 * 1     1     0     11  x0     0      AP configured to accept from-ds Rx ucast from wds peers, constraint not met; so, drop
	 * 1     1     0     01  x0     0      AP configured to accept from-ds Rx ucast from wds peers, constraint not met; so, drop
	 * 1     1     0     10  x0     1      AP configured to accept from-ds Rx ucast from wds peers, constraint met; so, accept
	 * 1     1     0     00  x0     0      bad frame, won't see it
	 * 1     0     1     11  0x     0      AP configured to accept from-ds Rx mcast from wds peers, constraint not met; so, drop
	 * 1     0     1     01  0x     0      AP configured to accept from-ds Rx mcast from wds peers, constraint not met; so, drop
	 * 1     0     1     10  0x     1      AP configured to accept from-ds Rx mcast from wds peers, constraint met; so, accept
	 * 1     0     1     00  0x     0      bad frame, won't see it
	 *
	 * 0     x     x     11  xx     0      we only accept td-ds Rx frames from non-wds peers in mode.
	 * 0     x     x     01  xx     1
	 * 0     x     x     10  xx     0
	 * 0     x     x     00  xx     0      bad frame, won't see it
	 * ------------------------------------------------
	 */

	fr_ds = hal_rx_mpdu_get_fr_ds(hal_soc, rx_tlv_hdr);
	to_ds = hal_rx_mpdu_get_to_ds(hal_soc, rx_tlv_hdr);
	rx_3addr = fr_ds ^ to_ds;
	rx_4addr = fr_ds & to_ds;

	if (vdev->opmode == wlan_op_mode_ap) {
		if ((!txrx_peer->wds_enabled && rx_3addr && to_ds) ||
		    (txrx_peer->wds_enabled && !rx_mcast &&
		    (rx_4addr == rx_policy_ucast)) ||
		    (txrx_peer->wds_enabled && rx_mcast &&
		    (rx_4addr == rx_policy_mcast))) {
			return 1;
		}
	} else {           /* sta mode */
		if ((!rx_mcast && (rx_4addr == rx_policy_ucast)) ||
				(rx_mcast && (rx_4addr == rx_policy_mcast))) {
			return 1;
		}
	}
	return 0;
}
#endif

#endif /* QCA_HOST_MODE_WIFI_DISABLED */

#ifdef QCA_PEER_MULTIQ_SUPPORT

void dp_peer_reset_flowq_map(struct dp_peer *peer)
{
	int i = 0;

	if (!peer)
		return;

	for (i = 0; i < DP_PEER_AST_FLOWQ_MAX; i++) {
		peer->peer_ast_flowq_idx[i].is_valid = false;
		peer->peer_ast_flowq_idx[i].valid_tid_mask = false;
		peer->peer_ast_flowq_idx[i].ast_idx = DP_INVALID_AST_IDX;
		peer->peer_ast_flowq_idx[i].flowQ = DP_INVALID_FLOW_PRIORITY;
	}
}

/**
 * dp_peer_get_flowid_from_flowmask() - get flow id from flow mask
 * @peer: dp peer handle
 * @mask: flow mask
 *
 * Return: flow id
 */
static int dp_peer_get_flowid_from_flowmask(struct dp_peer *peer,
		uint8_t mask)
{
	if (!peer) {
		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
				"%s: Invalid peer\n", __func__);
		return -1;
	}

	if (mask & DP_PEER_AST0_FLOW_MASK)
		return DP_PEER_AST_FLOWQ_UDP;
	else if (mask & DP_PEER_AST1_FLOW_MASK)
		return DP_PEER_AST_FLOWQ_NON_UDP;
	else if (mask & DP_PEER_AST2_FLOW_MASK)
		return DP_PEER_AST_FLOWQ_HI_PRIO;
	else if (mask & DP_PEER_AST3_FLOW_MASK)
		return DP_PEER_AST_FLOWQ_LOW_PRIO;

	return DP_PEER_AST_FLOWQ_MAX;
}

/**
 * dp_peer_get_ast_valid() - get ast index valid from mask
 * @mask: mask for ast valid bits
 * @index: index for an ast
 *
 * Return: 1 if ast index is valid from mask else 0
 */
static inline bool dp_peer_get_ast_valid(uint8_t mask, uint16_t index)
{
	if (index == 0)
		return 1;
	return ((mask) & (1 << ((index) - 1)));
}

void dp_peer_ast_index_flow_queue_map_create(void *soc_hdl,
		bool is_wds, uint16_t peer_id, uint8_t *peer_mac_addr,
		struct dp_ast_flow_override_info *ast_info)
{
	struct dp_soc *soc = (struct dp_soc *)soc_hdl;
	struct dp_peer *peer = NULL;
	uint8_t i;

	/*
	 * Ast flow override feature is supported
	 * only for connected client
	 */
	if (is_wds)
		return;

	peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_AST);
	if (!peer) {
		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
				"%s: Invalid peer\n", __func__);
		return;
	}

	/* Valid only in AP mode */
	if (peer->vdev->opmode != wlan_op_mode_ap) {
		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
				"%s: Peer ast flow map not in STA mode\n", __func__);
		goto end;
	}

	/* Making sure the peer is for this mac address */
	if (!qdf_is_macaddr_equal((struct qdf_mac_addr *)peer_mac_addr,
				(struct qdf_mac_addr *)peer->mac_addr.raw)) {
		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
				"%s: Peer mac address mismatch\n", __func__);
		goto end;
	}

	/* Ast entry flow mapping not valid for self peer map */
	if (qdf_is_macaddr_equal((struct qdf_mac_addr *)peer_mac_addr,
				(struct qdf_mac_addr *)peer->vdev->mac_addr.raw)) {
		QDF_TRACE(QDF_MODULE_ID_TXRX, QDF_TRACE_LEVEL_ERROR,
				"%s: Ast flow mapping not valid for self peer \n", __func__);
		goto end;
	}

	/* Fill up ast index <---> flow id mapping table for this peer */
	for (i = 0; i < DP_MAX_AST_INDEX_PER_PEER; i++) {

		/* Check if this ast index is valid */
		peer->peer_ast_flowq_idx[i].is_valid =
			dp_peer_get_ast_valid(ast_info->ast_valid_mask, i);
		if (!peer->peer_ast_flowq_idx[i].is_valid)
			continue;

		/* Get the flow queue id which is mapped to this ast index */
		peer->peer_ast_flowq_idx[i].flowQ =
			dp_peer_get_flowid_from_flowmask(peer,
					ast_info->ast_flow_mask[i]);
		/*
		 * Update tid valid mask only if flow id HIGH or
		 * Low priority
		 */
		if (peer->peer_ast_flowq_idx[i].flowQ ==
				DP_PEER_AST_FLOWQ_HI_PRIO) {
			peer->peer_ast_flowq_idx[i].valid_tid_mask =
				ast_info->tid_valid_hi_pri_mask;
		} else if (peer->peer_ast_flowq_idx[i].flowQ ==
				DP_PEER_AST_FLOWQ_LOW_PRIO) {
			peer->peer_ast_flowq_idx[i].valid_tid_mask =
				ast_info->tid_valid_low_pri_mask;
		}

		/* Save the ast index for this entry */
		peer->peer_ast_flowq_idx[i].ast_idx = ast_info->ast_idx[i];
	}

	if (soc->cdp_soc.ol_ops->peer_ast_flowid_map) {
		soc->cdp_soc.ol_ops->peer_ast_flowid_map(
				soc->ctrl_psoc, peer->peer_id,
				peer->vdev->vdev_id, peer_mac_addr);
	}

end:
	/* Release peer reference */
	dp_peer_unref_delete(peer, DP_MOD_ID_AST);
}

int dp_peer_find_ast_index_by_flowq_id(struct cdp_soc_t *soc,
		uint16_t vdev_id, uint8_t *peer_mac_addr,
		uint8_t flow_id, uint8_t tid)
{
	struct dp_peer *peer = NULL;
	uint8_t i;
	uint16_t ast_index;

	if (flow_id >= DP_PEER_AST_FLOWQ_MAX) {
		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
				"Invalid Flow ID %d\n", flow_id);
		return -1;
	}

	peer = dp_peer_find_hash_find((struct dp_soc *)soc,
				peer_mac_addr, 0, vdev_id,
				DP_MOD_ID_AST);
	if (!peer) {
		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
				"%s: Invalid peer\n", __func__);
		return -1;
	}

	 /*
	  * Loop over the ast entry <----> flow-id mapping to find
	  * which ast index entry has this flow queue id enabled.
	  */
	for (i = 0; i < DP_PEER_AST_FLOWQ_MAX; i++) {
		if (peer->peer_ast_flowq_idx[i].flowQ == flow_id)
			/*
			 * Found the matching index for this flow id
			 */
			break;
	}

	/*
	 * No match found for this flow id
	 */
	if (i == DP_PEER_AST_FLOWQ_MAX) {
		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
				"%s: ast index not found for flow %d\n", __func__, flow_id);
		dp_peer_unref_delete(peer, DP_MOD_ID_AST);
		return -1;
	}

	/* Check whether this ast entry is valid */
	if (!peer->peer_ast_flowq_idx[i].is_valid) {
		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
				"%s: ast index is invalid for flow %d\n", __func__, flow_id);
		dp_peer_unref_delete(peer, DP_MOD_ID_AST);
		return -1;
	}

	if (flow_id == DP_PEER_AST_FLOWQ_HI_PRIO ||
			flow_id == DP_PEER_AST_FLOWQ_LOW_PRIO) {
		/*
		 * check if this tid is valid for Hi
		 * and Low priority flow id
		 */
		if ((peer->peer_ast_flowq_idx[i].valid_tid_mask
					& (1 << tid))) {
			/* Release peer reference */
			ast_index = peer->peer_ast_flowq_idx[i].ast_idx;
			dp_peer_unref_delete(peer, DP_MOD_ID_AST);
			return ast_index;
		} else {
			QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
					"%s: TID %d is not valid for flow %d\n",
					__func__, tid, flow_id);
			/*
			 * TID is not valid for this flow
			 * Return -1
			 */
			dp_peer_unref_delete(peer, DP_MOD_ID_AST);
			return -1;
		}
	}

	/*
	 * TID valid check not required for
	 * UDP/NON UDP flow id
	 */
	ast_index = peer->peer_ast_flowq_idx[i].ast_idx;
	dp_peer_unref_delete(peer, DP_MOD_ID_AST);
	return ast_index;
}
#endif

void dp_hmwds_ast_add_notify(struct dp_peer *peer,
			     uint8_t *mac_addr,
			     enum cdp_txrx_ast_entry_type type,
			     QDF_STATUS err,
			     bool is_peer_map)
{
	struct dp_vdev *dp_vdev = peer->vdev;
	struct dp_pdev *dp_pdev = dp_vdev->pdev;
	struct cdp_peer_hmwds_ast_add_status add_status;

	/* Ignore ast types other than HM */
	if ((type != CDP_TXRX_AST_TYPE_WDS_HM) &&
	    (type != CDP_TXRX_AST_TYPE_WDS_HM_SEC))
		return;

	/* existing ast delete in progress, will be attempted
	 * to add again after delete is complete. Send status then.
	 */
	if (err == QDF_STATUS_E_AGAIN)
		return;

	/* peer map pending, notify actual status
	 * when peer map is received.
	 */
	if (!is_peer_map && (err == QDF_STATUS_SUCCESS))
		return;

	qdf_mem_zero(&add_status, sizeof(add_status));
	add_status.vdev_id = dp_vdev->vdev_id;
	/* For type CDP_TXRX_AST_TYPE_WDS_HM_SEC dp_peer_add_ast()
	 * returns QDF_STATUS_E_FAILURE as it is host only entry.
	 * In such cases set err as success. Also err code set to
	 * QDF_STATUS_E_ALREADY indicates entry already exist in
	 * such cases set err as success too. Any other error code
	 * is actual error.
	 */
	if (((type == CDP_TXRX_AST_TYPE_WDS_HM_SEC) &&
	     (err == QDF_STATUS_E_FAILURE)) ||
	    (err == QDF_STATUS_E_ALREADY)) {
		err = QDF_STATUS_SUCCESS;
	}
	add_status.status = err;
	qdf_mem_copy(add_status.peer_mac, peer->mac_addr.raw,
		     QDF_MAC_ADDR_SIZE);
	qdf_mem_copy(add_status.ast_mac, mac_addr,
		     QDF_MAC_ADDR_SIZE);
#ifdef WDI_EVENT_ENABLE
	dp_wdi_event_handler(WDI_EVENT_HMWDS_AST_ADD_STATUS, dp_pdev->soc,
			     (void *)&add_status, 0,
			     WDI_NO_VAL, dp_pdev->pdev_id);
#endif
}

#if defined(QCA_SUPPORT_LATENCY_CAPTURE) || \
	defined(QCA_TX_CAPTURE_SUPPORT) || \
	defined(QCA_MCOPY_SUPPORT)
#ifdef FEATURE_PERPKT_INFO
QDF_STATUS
dp_get_completion_indication_for_stack(struct dp_soc *soc,
				       struct dp_pdev *pdev,
				       struct dp_txrx_peer *txrx_peer,
				       struct hal_tx_completion_status *ts,
				       qdf_nbuf_t netbuf,
				       uint64_t time_latency)
{
	struct tx_capture_hdr *ppdu_hdr;
	uint16_t peer_id = ts->peer_id;
	uint32_t ppdu_id = ts->ppdu_id;
	uint8_t first_msdu = ts->first_msdu;
	uint8_t last_msdu = ts->last_msdu;
	uint32_t txcap_hdr_size = sizeof(struct tx_capture_hdr);
	struct dp_peer *peer;

	if (qdf_unlikely(!dp_monitor_is_enable_tx_sniffer(pdev) &&
			 !dp_monitor_is_enable_mcopy_mode(pdev) &&
			 !pdev->latency_capture_enable))
		return QDF_STATUS_E_NOSUPPORT;

	if (!txrx_peer) {
		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
			  FL("txrx_peer is NULL"));
		return QDF_STATUS_E_INVAL;
	}

	/* If mcopy is enabled and mcopy_mode is M_COPY deliver 1st MSDU
	 * per PPDU. If mcopy_mode is M_COPY_EXTENDED deliver 1st MSDU
	 * for each MPDU
	 */
	if (dp_monitor_mcopy_check_deliver(pdev,
					   peer_id,
					   ppdu_id,
					   first_msdu) != QDF_STATUS_SUCCESS)
		return QDF_STATUS_E_INVAL;

	if (qdf_unlikely(qdf_nbuf_headroom(netbuf) < txcap_hdr_size)) {
		netbuf = qdf_nbuf_realloc_headroom(netbuf, txcap_hdr_size);
		if (!netbuf) {
			QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
				  FL("No headroom"));
			return QDF_STATUS_E_NOMEM;
		}
	}

	if (!qdf_nbuf_push_head(netbuf, txcap_hdr_size)) {
		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
			  FL("No headroom"));
		return QDF_STATUS_E_NOMEM;
	}

	ppdu_hdr = (struct tx_capture_hdr *)qdf_nbuf_data(netbuf);
	qdf_mem_copy(ppdu_hdr->ta, txrx_peer->vdev->mac_addr.raw,
		     QDF_MAC_ADDR_SIZE);

	peer = dp_peer_get_ref_by_id(soc, peer_id, DP_MOD_ID_TX_COMP);
	if (peer) {
		qdf_mem_copy(ppdu_hdr->ra, peer->mac_addr.raw,
			     QDF_MAC_ADDR_SIZE);
		dp_peer_unref_delete(peer, DP_MOD_ID_TX_COMP);
	}
	ppdu_hdr->ppdu_id = ppdu_id;
	ppdu_hdr->peer_id = peer_id;
	ppdu_hdr->first_msdu = first_msdu;
	ppdu_hdr->last_msdu = last_msdu;
	if (qdf_unlikely(pdev->latency_capture_enable)) {
		ppdu_hdr->tsf = ts->tsf;
		ppdu_hdr->time_latency = (uint32_t)time_latency;
	}

	return QDF_STATUS_SUCCESS;
}

void dp_send_completion_to_stack(struct dp_soc *soc,  struct dp_pdev *pdev,
				 uint16_t peer_id, uint32_t ppdu_id,
				 qdf_nbuf_t netbuf)
{
	dp_wdi_event_handler(WDI_EVENT_TX_DATA, soc,
			     netbuf, peer_id,
			     WDI_NO_VAL, pdev->pdev_id);
}
#endif
#endif