[PATCH 17/50] wifi: ath12k: add dp_tx.c

Pradeep Kumar Chitrapu
2022-10-11T19:20:46Z

From: Kalle Valo <kvalo@kernel.org>

From: Kalle Valo <quic_kvalo@quicinc.com>

(Patches split into one patch per file for easier review, but the final
commit will be one big patch. See the cover letter for more info.)

Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
---
drivers/net/wireless/ath/ath12k/dp_tx.c | 1206 +++++++++++++++++++++++++++++++
1 file changed, 1206 insertions(+)

diff --git a/drivers/net/wireless/ath/ath12k/dp_tx.c b/drivers/net/wireless/ath/ath12k/dp_tx.c
new file mode 100644
index 000000000000..699c86563134
--- /dev/null
+++ b/drivers/net/wireless/ath/ath12k/dp_tx.c
@@ -0,0 +1,1206 @@
+// 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 "core.h"
+#include "dp_tx.h"
+#include "debug.h"
+#include "hw.h"
+
+static enum hal_tcl_encap_type
+ath12k_dp_tx_get_encap_type(struct ath12k_vif *arvif, struct sk_buff *skb)
+{
+ struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+
+ if (tx_info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP)
+ return HAL_TCL_ENCAP_TYPE_ETHERNET;
+
+ return HAL_TCL_ENCAP_TYPE_NATIVE_WIFI;
+}
+
+static void ath12k_dp_tx_encap_nwifi(struct sk_buff *skb)
+{
+ struct ieee80211_hdr *hdr = (void *)skb->data;
+ u8 *qos_ctl;
+
+ if (!ieee80211_is_data_qos(hdr->frame_control))
+ return;
+
+ qos_ctl = ieee80211_get_qos_ctl(hdr);
+ memmove(skb->data + IEEE80211_QOS_CTL_LEN,
+ skb->data, (void *)qos_ctl - (void *)skb->data);
+ skb_pull(skb, IEEE80211_QOS_CTL_LEN);
+
+ hdr = (void *)skb->data;
+ hdr->frame_control &= ~__cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
+}
+
+static u8 ath12k_dp_tx_get_tid(struct sk_buff *skb)
+{
+ struct ieee80211_hdr *hdr = (void *)skb->data;
+ struct ath12k_skb_cb *cb = ATH12K_SKB_CB(skb);
+
+ if (cb->flags & ATH12K_SKB_HW_80211_ENCAP)
+ return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
+ else if (!ieee80211_is_data_qos(hdr->frame_control))
+ return HAL_DESC_REO_NON_QOS_TID;
+ else
+ return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
+}
+
+enum hal_encrypt_type ath12k_dp_tx_get_encrypt_type(u32 cipher)
+{
+ switch (cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ return HAL_ENCRYPT_TYPE_WEP_40;
+ case WLAN_CIPHER_SUITE_WEP104:
+ return HAL_ENCRYPT_TYPE_WEP_104;
+ case WLAN_CIPHER_SUITE_TKIP:
+ return HAL_ENCRYPT_TYPE_TKIP_MIC;
+ case WLAN_CIPHER_SUITE_CCMP:
+ return HAL_ENCRYPT_TYPE_CCMP_128;
+ case WLAN_CIPHER_SUITE_CCMP_256:
+ return HAL_ENCRYPT_TYPE_CCMP_256;
+ case WLAN_CIPHER_SUITE_GCMP:
+ return HAL_ENCRYPT_TYPE_GCMP_128;
+ case WLAN_CIPHER_SUITE_GCMP_256:
+ return HAL_ENCRYPT_TYPE_AES_GCMP_256;
+ default:
+ return HAL_ENCRYPT_TYPE_OPEN;
+ }
+}
+
+static void ath12k_dp_tx_release_txbuf(struct ath12k_dp *dp,
+ struct ath12k_tx_desc_info *tx_desc,
+ u8 pool_id)
+{
+ spin_lock_bh(&dp->tx_desc_lock[pool_id]);
+ list_move_tail(&tx_desc->list, &dp->tx_desc_free_list[pool_id]);
+ spin_unlock_bh(&dp->tx_desc_lock[pool_id]);
+}
+
+static struct ath12k_tx_desc_info *ath12k_dp_tx_assign_buffer(struct ath12k_dp *dp,
+ u8 pool_id)
+{
+ struct ath12k_tx_desc_info *desc = NULL;
+
+ spin_lock_bh(&dp->tx_desc_lock[pool_id]);
+ desc = list_first_entry_or_null(&dp->tx_desc_free_list[pool_id],
+ struct ath12k_tx_desc_info,
+ list);
+ if (!desc) {
+ spin_unlock_bh(&dp->tx_desc_lock[pool_id]);
+ ath12k_warn(dp->ab, "failed to allocate data Tx buffer\n");
+ return NULL;
+ }
+
+ list_move_tail(&desc->list, &dp->tx_desc_used_list[pool_id]);
+ spin_unlock_bh(&dp->tx_desc_lock[pool_id]);
+
+ return desc;
+}
+
+static void ath12k_hal_tx_cmd_ext_desc_setup(struct ath12k_base *ab, void *cmd,
+ struct hal_tx_info *ti)
+{
+ struct hal_tx_msdu_ext_desc *tcl_ext_cmd = (struct hal_tx_msdu_ext_desc *)cmd;
+
+ tcl_ext_cmd->info0 = le32_encode_bits(ti->paddr,
+ HAL_TX_MSDU_EXT_INFO0_BUF_PTR_LO);
+ tcl_ext_cmd->info1 = le32_encode_bits(0x0,
+ HAL_TX_MSDU_EXT_INFO1_BUF_PTR_HI) |
+ le32_encode_bits(ti->data_len,
+ HAL_TX_MSDU_EXT_INFO1_BUF_LEN);
+
+ tcl_ext_cmd->info1 = le32_encode_bits(1, HAL_TX_MSDU_EXT_INFO1_EXTN_OVERRIDE) |
+ le32_encode_bits(ti->encap_type,
+ HAL_TX_MSDU_EXT_INFO1_ENCAP_TYPE) |
+ le32_encode_bits(ti->encrypt_type,
+ HAL_TX_MSDU_EXT_INFO1_ENCRYPT_TYPE);
+}
+
+int ath12k_dp_tx(struct ath12k *ar, struct ath12k_vif *arvif,
+ struct sk_buff *skb)
+{
+ struct ath12k_base *ab = ar->ab;
+ struct ath12k_dp *dp = &ab->dp;
+ struct hal_tx_info ti = {0};
+ struct ath12k_tx_desc_info *tx_desc = NULL;
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ath12k_skb_cb *skb_cb = ATH12K_SKB_CB(skb);
+ struct hal_tcl_data_cmd *hal_tcl_desc;
+ struct hal_tx_msdu_ext_desc *msg;
+ struct sk_buff *skb_ext_desc;
+ struct hal_srng *tcl_ring;
+ struct ieee80211_hdr *hdr = (void *)skb->data;
+ struct dp_tx_ring *tx_ring;
+ u8 pool_id;
+ u8 hal_ring_id;
+ int ret;
+ u8 ring_selector = 0, ring_map = 0;
+ bool tcl_ring_retry;
+ bool msdu_ext_desc = false;
+
+ if (test_bit(ATH12K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags))
+ return -ESHUTDOWN;
+
+ if (!(info->flags & IEEE80211_TX_CTL_HW_80211_ENCAP) &&
+ !ieee80211_is_data(hdr->frame_control))
+ return -ENOTSUPP;
+
+ pool_id = skb_get_queue_mapping(skb) & (ATH12K_HW_MAX_QUEUES - 1);
+
+ /* Let the default ring selection be based on current processor
+ * number, where one of the 3 tcl rings are selected based on
+ * the smp_processor_id(). In case that ring
+ * is full/busy, we resort to other available rings.
+ * If all rings are full, we drop the packet.
+ * TODO: Add throttling logic when all rings are full
+ */
+ ring_selector = ab->hw_params->hw_ops->get_ring_selector(skb);
+
+tcl_ring_sel:
+ tcl_ring_retry = false;
+ ti.ring_id = ring_selector % ab->hw_params->max_tx_ring;
+
+ ring_map |= BIT(ti.ring_id);
+ ti.rbm_id = ab->hw_params->hal_ops->tcl_to_wbm_rbm_map[ti.ring_id].rbm_id;
+
+ tx_ring = &dp->tx_ring[ti.ring_id];
+
+ tx_desc = ath12k_dp_tx_assign_buffer(dp, pool_id);
+ if (!tx_desc)
+ return -ENOMEM;
+
+ ti.bank_id = arvif->bank_id;
+ ti.meta_data_flags = arvif->tcl_metadata;
+
+ if (arvif->tx_encap_type == HAL_TCL_ENCAP_TYPE_RAW &&
+ test_bit(ATH12K_FLAG_HW_CRYPTO_DISABLED, &ar->ab->dev_flags)) {
+ if (skb_cb->flags & ATH12K_SKB_CIPHER_SET) {
+ ti.encrypt_type =
+ ath12k_dp_tx_get_encrypt_type(skb_cb->cipher);
+
+ if (ieee80211_has_protected(hdr->frame_control))
+ skb_put(skb, IEEE80211_CCMP_MIC_LEN);
+ } else {
+ ti.encrypt_type = HAL_ENCRYPT_TYPE_OPEN;
+ }
+
+ msdu_ext_desc = true;
+ }
+
+ ti.encap_type = ath12k_dp_tx_get_encap_type(arvif, skb);
+ ti.addr_search_flags = arvif->hal_addr_search_flags;
+ ti.search_type = arvif->search_type;
+ ti.type = HAL_TCL_DESC_TYPE_BUFFER;
+ ti.pkt_offset = 0;
+ ti.lmac_id = ar->lmac_id;
+ ti.vdev_id = arvif->vdev_id;
+ ti.bss_ast_hash = arvif->ast_hash;
+ ti.bss_ast_idx = arvif->ast_idx;
+ ti.dscp_tid_tbl_idx = 0;
+
+ if (skb->ip_summed == CHECKSUM_PARTIAL &&
+ ti.encap_type != HAL_TCL_ENCAP_TYPE_RAW) {
+ ti.flags0 |= u32_encode_bits(1, HAL_TCL_DATA_CMD_INFO2_IP4_CKSUM_EN) |
+ u32_encode_bits(1, HAL_TCL_DATA_CMD_INFO2_UDP4_CKSUM_EN) |
+ u32_encode_bits(1, HAL_TCL_DATA_CMD_INFO2_UDP6_CKSUM_EN) |
+ u32_encode_bits(1, HAL_TCL_DATA_CMD_INFO2_TCP4_CKSUM_EN) |
+ u32_encode_bits(1, HAL_TCL_DATA_CMD_INFO2_TCP6_CKSUM_EN);
+ }
+
+ ti.flags1 |= u32_encode_bits(1, HAL_TCL_DATA_CMD_INFO3_TID_OVERWRITE);
+
+ ti.tid = ath12k_dp_tx_get_tid(skb);
+
+ switch (ti.encap_type) {
+ case HAL_TCL_ENCAP_TYPE_NATIVE_WIFI:
+ ath12k_dp_tx_encap_nwifi(skb);
+ break;
+ case HAL_TCL_ENCAP_TYPE_RAW:
+ if (!test_bit(ATH12K_FLAG_RAW_MODE, &ab->dev_flags)) {
+ ret = -EINVAL;
+ goto fail_remove_tx_buf;
+ }
+ break;
+ case HAL_TCL_ENCAP_TYPE_ETHERNET:
+ /* no need to encap */
+ break;
+ case HAL_TCL_ENCAP_TYPE_802_3:
+ default:
+ /* TODO: Take care of other encap modes as well */
+ ret = -EINVAL;
+ atomic_inc(&ab->soc_stats.tx_err.misc_fail);
+ goto fail_remove_tx_buf;
+ }
+
+ ti.paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE);
+ if (dma_mapping_error(ab->dev, ti.paddr)) {
+ atomic_inc(&ab->soc_stats.tx_err.misc_fail);
+ ath12k_warn(ab, "failed to DMA map data Tx buffer\n");
+ ret = -ENOMEM;
+ goto fail_remove_tx_buf;
+ }
+
+ tx_desc->skb = skb;
+ tx_desc->mac_id = ar->pdev_idx;
+ ti.desc_id = tx_desc->desc_id;
+ ti.data_len = skb->len;
+ skb_cb->paddr = ti.paddr;
+ skb_cb->vif = arvif->vif;
+ skb_cb->ar = ar;
+
+ if (msdu_ext_desc) {
+ skb_ext_desc = dev_alloc_skb(sizeof(struct hal_tx_msdu_ext_desc));
+ if (!skb_ext_desc) {
+ ret = -ENOMEM;
+ goto fail_unmap_dma;
+ }
+
+ skb_put(skb_ext_desc, sizeof(struct hal_tx_msdu_ext_desc));
+ memset(skb_ext_desc->data, 0, skb_ext_desc->len);
+
+ msg = (struct hal_tx_msdu_ext_desc *)skb_ext_desc->data;
+ ath12k_hal_tx_cmd_ext_desc_setup(ab, msg, &ti);
+
+ ti.paddr = dma_map_single(ab->dev, skb_ext_desc->data,
+ skb_ext_desc->len, DMA_TO_DEVICE);
+ ret = dma_mapping_error(ab->dev, ti.paddr);
+ if (ret) {
+ kfree(skb_ext_desc);
+ goto fail_unmap_dma;
+ }
+
+ ti.data_len = skb_ext_desc->len;
+ ti.type = HAL_TCL_DESC_TYPE_EXT_DESC;
+
+ skb_cb->paddr_ext_desc = ti.paddr;
+ }
+
+ hal_ring_id = tx_ring->tcl_data_ring.ring_id;
+ tcl_ring = &ab->hal.srng_list[hal_ring_id];
+
+ spin_lock_bh(&tcl_ring->lock);
+
+ ath12k_hal_srng_access_begin(ab, tcl_ring);
+
+ hal_tcl_desc = ath12k_hal_srng_src_get_next_entry(ab, tcl_ring);
+ if (!hal_tcl_desc) {
+ /* NOTE: It is highly unlikely we'll be running out of tcl_ring
+ * desc because the desc is directly enqueued onto hw queue.
+ */
+ ath12k_hal_srng_access_end(ab, tcl_ring);
+ ab->soc_stats.tx_err.desc_na[ti.ring_id]++;
+ spin_unlock_bh(&tcl_ring->lock);
+ ret = -ENOMEM;
+
+ /* Checking for available tcl descritors in another ring in
+ * case of failure due to full tcl ring now, is better than
+ * checking this ring earlier for each pkt tx.
+ * Restart ring selection if some rings are not checked yet.
+ */
+ if (ring_map != (BIT(ab->hw_params->max_tx_ring) - 1) &&
+ ab->hw_params->tcl_ring_retry) {
+ tcl_ring_retry = true;
+ ring_selector++;
+ }
+
+ goto fail_unmap_dma;
+ }
+
+ ath12k_hal_tx_cmd_desc_setup(ab, hal_tcl_desc, &ti);
+
+ ath12k_hal_srng_access_end(ab, tcl_ring);
+
+ spin_unlock_bh(&tcl_ring->lock);
+
+ ath12k_dbg_dump(ab, ATH12K_DBG_DP_TX, NULL, "dp tx msdu: ",
+ skb->data, skb->len);
+
+ atomic_inc(&ar->dp.num_tx_pending);
+
+ return 0;
+
+fail_unmap_dma:
+ dma_unmap_single(ab->dev, ti.paddr, ti.data_len, DMA_TO_DEVICE);
+ dma_unmap_single(ab->dev, skb_cb->paddr_ext_desc,
+ sizeof(struct hal_tx_msdu_ext_desc), DMA_TO_DEVICE);
+
+fail_remove_tx_buf:
+ ath12k_dp_tx_release_txbuf(dp, tx_desc, pool_id);
+ if (tcl_ring_retry)
+ goto tcl_ring_sel;
+
+ return ret;
+}
+
+static void ath12k_dp_tx_free_txbuf(struct ath12k_base *ab,
+ struct sk_buff *msdu, u8 mac_id,
+ struct dp_tx_ring *tx_ring)
+{
+ struct ath12k *ar;
+ struct ath12k_skb_cb *skb_cb;
+
+ skb_cb = ATH12K_SKB_CB(msdu);
+
+ dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
+ if (skb_cb->paddr_ext_desc)
+ dma_unmap_single(ab->dev, skb_cb->paddr_ext_desc,
+ sizeof(struct hal_tx_msdu_ext_desc), DMA_TO_DEVICE);
+
+ dev_kfree_skb_any(msdu);
+
+ ar = ab->pdevs[mac_id].ar;
+ if (atomic_dec_and_test(&ar->dp.num_tx_pending))
+ wake_up(&ar->dp.tx_empty_waitq);
+}
+
+static void
+ath12k_dp_tx_htt_tx_complete_buf(struct ath12k_base *ab,
+ struct sk_buff *msdu,
+ struct dp_tx_ring *tx_ring,
+ struct ath12k_dp_htt_wbm_tx_status *ts)
+{
+ struct ieee80211_tx_info *info;
+ struct ath12k_skb_cb *skb_cb;
+ struct ath12k *ar;
+
+ skb_cb = ATH12K_SKB_CB(msdu);
+ info = IEEE80211_SKB_CB(msdu);
+
+ ar = skb_cb->ar;
+
+ if (atomic_dec_and_test(&ar->dp.num_tx_pending))
+ wake_up(&ar->dp.tx_empty_waitq);
+
+ dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
+ if (skb_cb->paddr_ext_desc)
+ dma_unmap_single(ab->dev, skb_cb->paddr_ext_desc,
+ sizeof(struct hal_tx_msdu_ext_desc), DMA_TO_DEVICE);
+
+ memset(&info->status, 0, sizeof(info->status));
+
+ if (ts->acked) {
+ if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
+ info->flags |= IEEE80211_TX_STAT_ACK;
+ info->status.ack_signal = ATH12K_DEFAULT_NOISE_FLOOR +
+ ts->ack_rssi;
+ info->status.flags = IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
+ } else {
+ info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
+ }
+ }
+
+ ieee80211_tx_status(ar->hw, msdu);
+}
+
+static void
+ath12k_dp_tx_process_htt_tx_complete(struct ath12k_base *ab,
+ void *desc, u8 mac_id,
+ struct sk_buff *msdu,
+ struct dp_tx_ring *tx_ring)
+{
+ struct htt_tx_wbm_completion *status_desc;
+ struct ath12k_dp_htt_wbm_tx_status ts = {0};
+ enum hal_wbm_htt_tx_comp_status wbm_status;
+
+ status_desc = desc + HTT_TX_WBM_COMP_STATUS_OFFSET;
+
+ wbm_status = u32_get_bits(status_desc->info0,
+ HTT_TX_WBM_COMP_INFO0_STATUS);
+
+ switch (wbm_status) {
+ case HAL_WBM_REL_HTT_TX_COMP_STATUS_OK:
+ case HAL_WBM_REL_HTT_TX_COMP_STATUS_DROP:
+ case HAL_WBM_REL_HTT_TX_COMP_STATUS_TTL:
+ ts.acked = (wbm_status == HAL_WBM_REL_HTT_TX_COMP_STATUS_OK);
+ ts.ack_rssi = u32_get_bits(status_desc->info2,
+ HTT_TX_WBM_COMP_INFO2_ACK_RSSI);
+ ath12k_dp_tx_htt_tx_complete_buf(ab, msdu, tx_ring, &ts);
+ break;
+ case HAL_WBM_REL_HTT_TX_COMP_STATUS_REINJ:
+ case HAL_WBM_REL_HTT_TX_COMP_STATUS_INSPECT:
+ ath12k_dp_tx_free_txbuf(ab, msdu, mac_id, tx_ring);
+ break;
+ case HAL_WBM_REL_HTT_TX_COMP_STATUS_MEC_NOTIFY:
+ /* This event is to be handled only when the driver decides to
+ * use WDS offload functionality.
+ */
+ break;
+ default:
+ ath12k_warn(ab, "Unknown htt tx status %d\n", wbm_status);
+ break;
+ }
+}
+
+static void ath12k_dp_tx_complete_msdu(struct ath12k *ar,
+ struct sk_buff *msdu,
+ struct hal_tx_status *ts)
+{
+ struct ath12k_base *ab = ar->ab;
+ struct ieee80211_tx_info *info;
+ struct ath12k_skb_cb *skb_cb;
+
+ if (WARN_ON_ONCE(ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)) {
+ /* Must not happen */
+ return;
+ }
+
+ skb_cb = ATH12K_SKB_CB(msdu);
+
+ dma_unmap_single(ab->dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
+ if (skb_cb->paddr_ext_desc)
+ dma_unmap_single(ab->dev, skb_cb->paddr_ext_desc,
+ sizeof(struct hal_tx_msdu_ext_desc), DMA_TO_DEVICE);
+
+ rcu_read_lock();
+
+ if (!rcu_dereference(ab->pdevs_active[ar->pdev_idx])) {
+ dev_kfree_skb_any(msdu);
+ goto exit;
+ }
+
+ if (!skb_cb->vif) {
+ dev_kfree_skb_any(msdu);
+ goto exit;
+ }
+
+ info = IEEE80211_SKB_CB(msdu);
+ memset(&info->status, 0, sizeof(info->status));
+
+ /* skip tx rate update from ieee80211_status*/
+ info->status.rates[0].idx = -1;
+
+ if (ts->status == HAL_WBM_TQM_REL_REASON_FRAME_ACKED &&
+ !(info->flags & IEEE80211_TX_CTL_NO_ACK)) {
+ info->flags |= IEEE80211_TX_STAT_ACK;
+ info->status.ack_signal = ATH12K_DEFAULT_NOISE_FLOOR +
+ ts->ack_rssi;
+ info->status.flags = IEEE80211_TX_STATUS_ACK_SIGNAL_VALID;
+ }
+
+ if (ts->status == HAL_WBM_TQM_REL_REASON_CMD_REMOVE_TX &&
+ (info->flags & IEEE80211_TX_CTL_NO_ACK))
+ info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
+
+ /* NOTE: Tx rate status reporting. Tx completion status does not have
+ * necessary information (for example nss) to build the tx rate.
+ * Might end up reporting it out-of-band from HTT stats.
+ */
+
+ ieee80211_tx_status(ar->hw, msdu);
+
+exit:
+ rcu_read_unlock();
+}
+
+static void ath12k_dp_tx_status_parse(struct ath12k_base *ab,
+ struct hal_wbm_completion_ring_tx *desc,
+ struct hal_tx_status *ts)
+{
+ ts->buf_rel_source =
+ le32_get_bits(desc->info0, HAL_WBM_COMPL_TX_INFO0_REL_SRC_MODULE);
+ if (ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_FW &&
+ ts->buf_rel_source != HAL_WBM_REL_SRC_MODULE_TQM)
+ return;
+
+ if (ts->buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW)
+ return;
+
+ ts->status = le32_get_bits(desc->info0,
+ HAL_WBM_COMPL_TX_INFO0_TQM_RELEASE_REASON);
+
+ ts->ppdu_id = le32_get_bits(desc->info1,
+ HAL_WBM_COMPL_TX_INFO1_TQM_STATUS_NUMBER);
+ if (le32_to_cpu(desc->rate_stats.info0) & HAL_TX_RATE_STATS_INFO0_VALID)
+ ts->rate_stats = le32_to_cpu(desc->rate_stats.info0);
+ else
+ ts->rate_stats = 0;
+}
+
+void ath12k_dp_tx_completion_handler(struct ath12k_base *ab, int ring_id)
+{
+ struct ath12k *ar;
+ struct ath12k_dp *dp = &ab->dp;
+ int hal_ring_id = dp->tx_ring[ring_id].tcl_comp_ring.ring_id;
+ struct hal_srng *status_ring = &ab->hal.srng_list[hal_ring_id];
+ struct ath12k_tx_desc_info *tx_desc = NULL;
+ struct sk_buff *msdu;
+ struct hal_tx_status ts = { 0 };
+ struct dp_tx_ring *tx_ring = &dp->tx_ring[ring_id];
+ struct hal_wbm_release_ring *desc;
+ u8 mac_id;
+ u64 desc_va;
+
+ spin_lock_bh(&status_ring->lock);
+
+ ath12k_hal_srng_access_begin(ab, status_ring);
+
+ while (ATH12K_TX_COMPL_NEXT(tx_ring->tx_status_head) != tx_ring->tx_status_tail) {
+ desc = ath12k_hal_srng_dst_get_next_entry(ab, status_ring);
+ if (!desc)
+ break;
+
+ memcpy(&tx_ring->tx_status[tx_ring->tx_status_head],
+ desc, sizeof(*desc));
+ tx_ring->tx_status_head =
+ ATH12K_TX_COMPL_NEXT(tx_ring->tx_status_head);
+ }
+
+ if (ath12k_hal_srng_dst_peek(ab, status_ring) &&
+ (ATH12K_TX_COMPL_NEXT(tx_ring->tx_status_head) == tx_ring->tx_status_tail)) {
+ /* TODO: Process pending tx_status messages when kfifo_is_full() */
+ ath12k_warn(ab, "Unable to process some of the tx_status ring desc because status_fifo is full\n");
+ }
+
+ ath12k_hal_srng_access_end(ab, status_ring);
+
+ spin_unlock_bh(&status_ring->lock);
+
+ while (ATH12K_TX_COMPL_NEXT(tx_ring->tx_status_tail) != tx_ring->tx_status_head) {
+ struct hal_wbm_completion_ring_tx *tx_status;
+ u32 desc_id;
+
+ tx_ring->tx_status_tail =
+ ATH12K_TX_COMPL_NEXT(tx_ring->tx_status_tail);
+ tx_status = &tx_ring->tx_status[tx_ring->tx_status_tail];
+ ath12k_dp_tx_status_parse(ab, tx_status, &ts);
+
+ if (le32_get_bits(tx_status->info0, HAL_WBM_COMPL_TX_INFO0_CC_DONE)) {
+ /* HW done cookie conversion */
+ desc_va = ((u64)le32_to_cpu(tx_status->buf_va_hi) << 32 |
+ le32_to_cpu(tx_status->buf_va_lo));
+ tx_desc = (struct ath12k_tx_desc_info *)((unsigned long)desc_va);
+ } else {
+ /* SW does cookie conversion to VA */
+ desc_id = le32_get_bits(tx_status->buf_va_hi,
+ BUFFER_ADDR_INFO1_SW_COOKIE);
+
+ tx_desc = ath12k_dp_get_tx_desc(ab, desc_id);
+ }
+ if (!tx_desc) {
+ ath12k_warn(ab, "unable to retrieve tx_desc!");
+ continue;
+ }
+
+ msdu = tx_desc->skb;
+ mac_id = tx_desc->mac_id;
+
+ /* Release descriptor as soon as extracting necessary info
+ * to reduce contention
+ */
+ ath12k_dp_tx_release_txbuf(dp, tx_desc, tx_desc->pool_id);
+ if (ts.buf_rel_source == HAL_WBM_REL_SRC_MODULE_FW) {
+ ath12k_dp_tx_process_htt_tx_complete(ab,
+ (void *)tx_status,
+ mac_id, msdu,
+ tx_ring);
+ continue;
+ }
+
+ ar = ab->pdevs[mac_id].ar;
+
+ if (atomic_dec_and_test(&ar->dp.num_tx_pending))
+ wake_up(&ar->dp.tx_empty_waitq);
+
+ ath12k_dp_tx_complete_msdu(ar, msdu, &ts);
+ }
+}
+
+static int
+ath12k_dp_tx_get_ring_id_type(struct ath12k_base *ab,
+ int mac_id, u32 ring_id,
+ enum hal_ring_type ring_type,
+ enum htt_srng_ring_type *htt_ring_type,
+ enum htt_srng_ring_id *htt_ring_id)
+{
+ int ret = 0;
+
+ switch (ring_type) {
+ case HAL_RXDMA_BUF:
+ /* for some targets, host fills rx buffer to fw and fw fills to
+ * rxbuf ring for each rxdma
+ */
+ if (!ab->hw_params->rx_mac_buf_ring) {
+ if (!(ring_id == HAL_SRNG_SW2RXDMA_BUF0 ||
+ ring_id == HAL_SRNG_SW2RXDMA_BUF1)) {
+ ret = -EINVAL;
+ }
+ *htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
+ *htt_ring_type = HTT_SW_TO_HW_RING;
+ } else {
+ if (ring_id == HAL_SRNG_SW2RXDMA_BUF0) {
+ *htt_ring_id = HTT_HOST1_TO_FW_RXBUF_RING;
+ *htt_ring_type = HTT_SW_TO_SW_RING;
+ } else {
+ *htt_ring_id = HTT_RXDMA_HOST_BUF_RING;
+ *htt_ring_type = HTT_SW_TO_HW_RING;
+ }
+ }
+ break;
+ case HAL_RXDMA_DST:
+ *htt_ring_id = HTT_RXDMA_NON_MONITOR_DEST_RING;
+ *htt_ring_type = HTT_HW_TO_SW_RING;
+ break;
+ case HAL_RXDMA_MONITOR_BUF:
+ *htt_ring_id = HTT_RXDMA_MONITOR_BUF_RING;
+ *htt_ring_type = HTT_SW_TO_HW_RING;
+ break;
+ case HAL_RXDMA_MONITOR_STATUS:
+ *htt_ring_id = HTT_RXDMA_MONITOR_STATUS_RING;
+ *htt_ring_type = HTT_SW_TO_HW_RING;
+ break;
+ case HAL_RXDMA_MONITOR_DST:
+ *htt_ring_id = HTT_RXDMA_MONITOR_DEST_RING;
+ *htt_ring_type = HTT_HW_TO_SW_RING;
+ break;
+ case HAL_RXDMA_MONITOR_DESC:
+ *htt_ring_id = HTT_RXDMA_MONITOR_DESC_RING;
+ *htt_ring_type = HTT_SW_TO_HW_RING;
+ break;
+ case HAL_TX_MONITOR_BUF:
+ *htt_ring_id = HTT_TX_MON_HOST2MON_BUF_RING;
+ *htt_ring_type = HTT_SW_TO_HW_RING;
+ break;
+ case HAL_TX_MONITOR_DST:
+ *htt_ring_id = HTT_TX_MON_MON2HOST_DEST_RING;
+ *htt_ring_type = HTT_HW_TO_SW_RING;
+ break;
+ default:
+ ath12k_warn(ab, "Unsupported ring type in DP :%d\n", ring_type);
+ ret = -EINVAL;
+ }
+ return ret;
+}
+
+int ath12k_dp_tx_htt_srng_setup(struct ath12k_base *ab, u32 ring_id,
+ int mac_id, enum hal_ring_type ring_type)
+{
+ struct htt_srng_setup_cmd *cmd;
+ struct hal_srng *srng = &ab->hal.srng_list[ring_id];
+ struct hal_srng_params params;
+ struct sk_buff *skb;
+ u32 ring_entry_sz;
+ int len = sizeof(*cmd);
+ dma_addr_t hp_addr, tp_addr;
+ enum htt_srng_ring_type htt_ring_type;
+ enum htt_srng_ring_id htt_ring_id;
+ int ret;
+
+ skb = ath12k_htc_alloc_skb(ab, len);
+ if (!skb)
+ return -ENOMEM;
+
+ memset(&params, 0, sizeof(params));
+ ath12k_hal_srng_get_params(ab, srng, &params);
+
+ hp_addr = ath12k_hal_srng_get_hp_addr(ab, srng);
+ tp_addr = ath12k_hal_srng_get_tp_addr(ab, srng);
+
+ ret = ath12k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
+ ring_type, &htt_ring_type,
+ &htt_ring_id);
+ if (ret)
+ goto err_free;
+
+ skb_put(skb, len);
+ cmd = (struct htt_srng_setup_cmd *)skb->data;
+ cmd->info0 = u32_encode_bits(HTT_H2T_MSG_TYPE_SRING_SETUP,
+ HTT_SRNG_SETUP_CMD_INFO0_MSG_TYPE);
+ if (htt_ring_type == HTT_SW_TO_HW_RING ||
+ htt_ring_type == HTT_HW_TO_SW_RING)
+ cmd->info0 |= u32_encode_bits(DP_SW2HW_MACID(mac_id),
+ HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID);
+ else
+ cmd->info0 |= u32_encode_bits(mac_id,
+ HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID);
+ cmd->info0 |= u32_encode_bits(htt_ring_type,
+ HTT_SRNG_SETUP_CMD_INFO0_RING_TYPE);
+ cmd->info0 |= u32_encode_bits(htt_ring_id,
+ HTT_SRNG_SETUP_CMD_INFO0_RING_ID);
+
+ cmd->ring_base_addr_lo = params.ring_base_paddr &
+ HAL_ADDR_LSB_REG_MASK;
+
+ cmd->ring_base_addr_hi = (u64)params.ring_base_paddr >>
+ HAL_ADDR_MSB_REG_SHIFT;
+
+ ret = ath12k_hal_srng_get_entrysize(ab, ring_type);
+ if (ret < 0)
+ goto err_free;
+
+ ring_entry_sz = ret;
+
+ ring_entry_sz >>= 2;
+ cmd->info1 = u32_encode_bits(ring_entry_sz,
+ HTT_SRNG_SETUP_CMD_INFO1_RING_ENTRY_SIZE);
+ cmd->info1 |= u32_encode_bits(params.num_entries * ring_entry_sz,
+ HTT_SRNG_SETUP_CMD_INFO1_RING_SIZE);
+ cmd->info1 |= u32_encode_bits(!!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP),
+ HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_MSI_SWAP);
+ cmd->info1 |= u32_encode_bits(!!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP),
+ HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_TLV_SWAP);
+ cmd->info1 |= u32_encode_bits(!!(params.flags & HAL_SRNG_FLAGS_RING_PTR_SWAP),
+ HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_HOST_FW_SWAP);
+ if (htt_ring_type == HTT_SW_TO_HW_RING)
+ cmd->info1 |= HTT_SRNG_SETUP_CMD_INFO1_RING_LOOP_CNT_DIS;
+
+ cmd->ring_head_off32_remote_addr_lo = lower_32_bits(hp_addr);
+ cmd->ring_head_off32_remote_addr_hi = upper_32_bits(hp_addr);
+
+ cmd->ring_tail_off32_remote_addr_lo = lower_32_bits(tp_addr);
+ cmd->ring_tail_off32_remote_addr_hi = upper_32_bits(tp_addr);
+
+ cmd->ring_msi_addr_lo = lower_32_bits(params.msi_addr);
+ cmd->ring_msi_addr_hi = upper_32_bits(params.msi_addr);
+ cmd->msi_data = params.msi_data;
+
+ cmd->intr_info =
+ u32_encode_bits(params.intr_batch_cntr_thres_entries * ring_entry_sz,
+ HTT_SRNG_SETUP_CMD_INTR_INFO_BATCH_COUNTER_THRESH);
+ cmd->intr_info |=
+ u32_encode_bits(params.intr_timer_thres_us >> 3,
+ HTT_SRNG_SETUP_CMD_INTR_INFO_INTR_TIMER_THRESH);
+
+ cmd->info2 = 0;
+ if (params.flags & HAL_SRNG_FLAGS_LOW_THRESH_INTR_EN) {
+ cmd->info2 = u32_encode_bits(params.low_threshold,
+ HTT_SRNG_SETUP_CMD_INFO2_INTR_LOW_THRESH);
+ }
+
+ ath12k_dbg(ab, ATH12K_DBG_HAL,
+ "%s msi_addr_lo:0x%x, msi_addr_hi:0x%x, msi_data:0x%x\n",
+ __func__, cmd->ring_msi_addr_lo, cmd->ring_msi_addr_hi,
+ cmd->msi_data);
+
+ ath12k_dbg(ab, ATH12K_DBG_HAL,
+ "ring_id:%d, ring_type:%d, intr_info:0x%x, flags:0x%x\n",
+ ring_id, ring_type, cmd->intr_info, cmd->info2);
+
+ ret = ath12k_htc_send(&ab->htc, ab->dp.eid, skb);
+ if (ret)
+ goto err_free;
+
+ return 0;
+
+err_free:
+ dev_kfree_skb_any(skb);
+
+ return ret;
+}
+
+#define HTT_TARGET_VERSION_TIMEOUT_HZ (3 * HZ)
+
+int ath12k_dp_tx_htt_h2t_ver_req_msg(struct ath12k_base *ab)
+{
+ struct ath12k_dp *dp = &ab->dp;
+ struct sk_buff *skb;
+ struct htt_ver_req_cmd *cmd;
+ int len = sizeof(*cmd);
+ int ret;
+
+ init_completion(&dp->htt_tgt_version_received);
+
+ skb = ath12k_htc_alloc_skb(ab, len);
+ if (!skb)
+ return -ENOMEM;
+
+ skb_put(skb, len);
+ cmd = (struct htt_ver_req_cmd *)skb->data;
+ cmd->ver_reg_info = u32_encode_bits(HTT_H2T_MSG_TYPE_VERSION_REQ,
+ HTT_VER_REQ_INFO_MSG_ID);
+
+ ret = ath12k_htc_send(&ab->htc, dp->eid, skb);
+ if (ret) {
+ dev_kfree_skb_any(skb);
+ return ret;
+ }
+
+ ret = wait_for_completion_timeout(&dp->htt_tgt_version_received,
+ HTT_TARGET_VERSION_TIMEOUT_HZ);
+ if (ret == 0) {
+ ath12k_warn(ab, "htt target version request timed out\n");
+ return -ETIMEDOUT;
+ }
+
+ if (dp->htt_tgt_ver_major != HTT_TARGET_VERSION_MAJOR) {
+ ath12k_err(ab, "unsupported htt major version %d supported version is %d\n",
+ dp->htt_tgt_ver_major, HTT_TARGET_VERSION_MAJOR);
+ return -ENOTSUPP;
+ }
+
+ return 0;
+}
+
+int ath12k_dp_tx_htt_h2t_ppdu_stats_req(struct ath12k *ar, u32 mask)
+{
+ struct ath12k_base *ab = ar->ab;
+ struct ath12k_dp *dp = &ab->dp;
+ struct sk_buff *skb;
+ struct htt_ppdu_stats_cfg_cmd *cmd;
+ int len = sizeof(*cmd);
+ u8 pdev_mask;
+ int ret;
+ int i;
+
+ for (i = 0; i < ab->hw_params->num_rxmda_per_pdev; i++) {
+ skb = ath12k_htc_alloc_skb(ab, len);
+ if (!skb)
+ return -ENOMEM;
+
+ skb_put(skb, len);
+ cmd = (struct htt_ppdu_stats_cfg_cmd *)skb->data;
+ cmd->msg = u32_encode_bits(HTT_H2T_MSG_TYPE_PPDU_STATS_CFG,
+ HTT_PPDU_STATS_CFG_MSG_TYPE);
+
+ pdev_mask = 1 << (i + 1);
+ cmd->msg |= u32_encode_bits(pdev_mask, HTT_PPDU_STATS_CFG_PDEV_ID);
+ cmd->msg |= u32_encode_bits(mask, HTT_PPDU_STATS_CFG_TLV_TYPE_BITMASK);
+
+ ret = ath12k_htc_send(&ab->htc, dp->eid, skb);
+ if (ret) {
+ dev_kfree_skb_any(skb);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+int ath12k_dp_tx_htt_rx_filter_setup(struct ath12k_base *ab, u32 ring_id,
+ int mac_id, enum hal_ring_type ring_type,
+ int rx_buf_size,
+ struct htt_rx_ring_tlv_filter *tlv_filter)
+{
+ struct htt_rx_ring_selection_cfg_cmd *cmd;
+ struct hal_srng *srng = &ab->hal.srng_list[ring_id];
+ struct hal_srng_params params;
+ struct sk_buff *skb;
+ int len = sizeof(*cmd);
+ enum htt_srng_ring_type htt_ring_type;
+ enum htt_srng_ring_id htt_ring_id;
+ int ret;
+
+ skb = ath12k_htc_alloc_skb(ab, len);
+ if (!skb)
+ return -ENOMEM;
+
+ memset(&params, 0, sizeof(params));
+ ath12k_hal_srng_get_params(ab, srng, &params);
+
+ ret = ath12k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
+ ring_type, &htt_ring_type,
+ &htt_ring_id);
+ if (ret)
+ goto err_free;
+
+ skb_put(skb, len);
+ cmd = (struct htt_rx_ring_selection_cfg_cmd *)skb->data;
+ cmd->info0 = u32_encode_bits(HTT_H2T_MSG_TYPE_RX_RING_SELECTION_CFG,
+ HTT_RX_RING_SELECTION_CFG_CMD_INFO0_MSG_TYPE);
+ if (htt_ring_type == HTT_SW_TO_HW_RING ||
+ htt_ring_type == HTT_HW_TO_SW_RING)
+ cmd->info0 |=
+ u32_encode_bits(DP_SW2HW_MACID(mac_id),
+ HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID);
+ else
+ cmd->info0 |=
+ u32_encode_bits(mac_id,
+ HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID);
+ cmd->info0 |= u32_encode_bits(htt_ring_id,
+ HTT_RX_RING_SELECTION_CFG_CMD_INFO0_RING_ID);
+ cmd->info0 |= u32_encode_bits(!!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP),
+ HTT_RX_RING_SELECTION_CFG_CMD_INFO0_SS);
+ cmd->info0 |= u32_encode_bits(!!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP),
+ HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PS);
+ cmd->info0 |= u32_encode_bits(tlv_filter->offset_valid,
+ HTT_RX_RING_SELECTION_CFG_CMD_OFFSET_VALID);
+ cmd->info1 = u32_encode_bits(rx_buf_size,
+ HTT_RX_RING_SELECTION_CFG_CMD_INFO1_BUF_SIZE);
+ cmd->pkt_type_en_flags0 = tlv_filter->pkt_filter_flags0;
+ cmd->pkt_type_en_flags1 = tlv_filter->pkt_filter_flags1;
+ cmd->pkt_type_en_flags2 = tlv_filter->pkt_filter_flags2;
+ cmd->pkt_type_en_flags3 = tlv_filter->pkt_filter_flags3;
+ cmd->rx_filter_tlv = tlv_filter->rx_filter;
+
+ if (tlv_filter->offset_valid) {
+ cmd->rx_packet_offset =
+ u32_encode_bits(tlv_filter->rx_packet_offset,
+ HTT_RX_RING_SELECTION_CFG_RX_PACKET_OFFSET);
+
+ cmd->rx_packet_offset |=
+ u32_encode_bits(tlv_filter->rx_header_offset,
+ HTT_RX_RING_SELECTION_CFG_RX_HEADER_OFFSET);
+
+ cmd->rx_mpdu_offset =
+ u32_encode_bits(tlv_filter->rx_mpdu_end_offset,
+ HTT_RX_RING_SELECTION_CFG_RX_MPDU_END_OFFSET);
+
+ cmd->rx_mpdu_offset |=
+ u32_encode_bits(tlv_filter->rx_mpdu_start_offset,
+ HTT_RX_RING_SELECTION_CFG_RX_MPDU_START_OFFSET);
+
+ cmd->rx_msdu_offset =
+ u32_encode_bits(tlv_filter->rx_msdu_end_offset,
+ HTT_RX_RING_SELECTION_CFG_RX_MSDU_END_OFFSET);
+
+ cmd->rx_msdu_offset |=
+ u32_encode_bits(tlv_filter->rx_msdu_start_offset,
+ HTT_RX_RING_SELECTION_CFG_RX_MSDU_START_OFFSET);
+
+ cmd->rx_attn_offset =
+ u32_encode_bits(tlv_filter->rx_attn_offset,
+ HTT_RX_RING_SELECTION_CFG_RX_ATTENTION_OFFSET);
+ }
+
+ ret = ath12k_htc_send(&ab->htc, ab->dp.eid, skb);
+ if (ret)
+ goto err_free;
+
+ return 0;
+
+err_free:
+ dev_kfree_skb_any(skb);
+
+ return ret;
+}
+
+int
+ath12k_dp_tx_htt_h2t_ext_stats_req(struct ath12k *ar, u8 type,
+ struct htt_ext_stats_cfg_params *cfg_params,
+ u64 cookie)
+{
+ struct ath12k_base *ab = ar->ab;
+ struct ath12k_dp *dp = &ab->dp;
+ struct sk_buff *skb;
+ struct htt_ext_stats_cfg_cmd *cmd;
+ int len = sizeof(*cmd);
+ int ret;
+
+ skb = ath12k_htc_alloc_skb(ab, len);
+ if (!skb)
+ return -ENOMEM;
+
+ skb_put(skb, len);
+
+ cmd = (struct htt_ext_stats_cfg_cmd *)skb->data;
+ memset(cmd, 0, sizeof(*cmd));
+ cmd->hdr.msg_type = HTT_H2T_MSG_TYPE_EXT_STATS_CFG;
+
+ cmd->hdr.pdev_mask = 1 << ar->pdev->pdev_id;
+
+ cmd->hdr.stats_type = type;
+ cmd->cfg_param0 = cfg_params->cfg0;
+ cmd->cfg_param1 = cfg_params->cfg1;
+ cmd->cfg_param2 = cfg_params->cfg2;
+ cmd->cfg_param3 = cfg_params->cfg3;
+ cmd->cookie_lsb = lower_32_bits(cookie);
+ cmd->cookie_msb = upper_32_bits(cookie);
+
+ ret = ath12k_htc_send(&ab->htc, dp->eid, skb);
+ if (ret) {
+ ath12k_warn(ab, "failed to send htt type stats request: %d",
+ ret);
+ dev_kfree_skb_any(skb);
+ return ret;
+ }
+
+ return 0;
+}
+
+int ath12k_dp_tx_htt_monitor_mode_ring_config(struct ath12k *ar, bool reset)
+{
+ struct ath12k_base *ab = ar->ab;
+ int ret = 0;
+
+ ret = ath12k_dp_tx_htt_tx_monitor_mode_ring_config(ar, reset);
+ if (ret) {
+ ath12k_err(ab, "failed to setup tx monitor filter %d\n", ret);
+ return ret;
+ }
+
+ ret = ath12k_dp_tx_htt_tx_monitor_mode_ring_config(ar, reset);
+ if (ret) {
+ ath12k_err(ab, "failed to setup rx monitor filter %d\n", ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+int ath12k_dp_tx_htt_rx_monitor_mode_ring_config(struct ath12k *ar, bool reset)
+{
+ struct ath12k_base *ab = ar->ab;
+ struct ath12k_dp *dp = &ab->dp;
+ struct htt_rx_ring_tlv_filter tlv_filter = {0};
+ int ret = 0, ring_id = 0;
+
+ ring_id = dp->rxdma_mon_buf_ring.refill_buf_ring.ring_id;
+ tlv_filter.offset_valid = false;
+
+ if (!reset) {
+ tlv_filter.rx_filter = HTT_RX_MON_FILTER_TLV_FLAGS_MON_BUF_RING;
+ tlv_filter.pkt_filter_flags0 =
+ HTT_RX_MON_FP_MGMT_FILTER_FLAGS0 |
+ HTT_RX_MON_MO_MGMT_FILTER_FLAGS0;
+ tlv_filter.pkt_filter_flags1 =
+ HTT_RX_MON_FP_MGMT_FILTER_FLAGS1 |
+ HTT_RX_MON_MO_MGMT_FILTER_FLAGS1;
+ tlv_filter.pkt_filter_flags2 =
+ HTT_RX_MON_FP_CTRL_FILTER_FLASG2 |
+ HTT_RX_MON_MO_CTRL_FILTER_FLASG2;
+ tlv_filter.pkt_filter_flags3 =
+ HTT_RX_MON_FP_CTRL_FILTER_FLASG3 |
+ HTT_RX_MON_MO_CTRL_FILTER_FLASG3 |
+ HTT_RX_MON_FP_DATA_FILTER_FLASG3 |
+ HTT_RX_MON_MO_DATA_FILTER_FLASG3;
+ }
+
+ if (ab->hw_params->rxdma1_enable) {
+ ret = ath12k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id, 0,
+ HAL_RXDMA_MONITOR_BUF,
+ DP_RXDMA_REFILL_RING_SIZE,
+ &tlv_filter);
+ if (ret) {
+ ath12k_err(ab,
+ "failed to setup filter for monitor buf %d\n", ret);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+int ath12k_dp_tx_htt_tx_filter_setup(struct ath12k_base *ab, u32 ring_id,
+ int mac_id, enum hal_ring_type ring_type,
+ int tx_buf_size,
+ struct htt_tx_ring_tlv_filter *htt_tlv_filter)
+{
+ struct htt_tx_ring_selection_cfg_cmd *cmd;
+ struct hal_srng *srng = &ab->hal.srng_list[ring_id];
+ struct hal_srng_params params;
+ struct sk_buff *skb;
+ int len = sizeof(*cmd);
+ enum htt_srng_ring_type htt_ring_type;
+ enum htt_srng_ring_id htt_ring_id;
+ int ret;
+
+ skb = ath12k_htc_alloc_skb(ab, len);
+ if (!skb)
+ return -ENOMEM;
+
+ memset(&params, 0, sizeof(params));
+ ath12k_hal_srng_get_params(ab, srng, &params);
+
+ ret = ath12k_dp_tx_get_ring_id_type(ab, mac_id, ring_id,
+ ring_type, &htt_ring_type,
+ &htt_ring_id);
+
+ if (ret)
+ goto err_free;
+
+ skb_put(skb, len);
+ cmd = (struct htt_tx_ring_selection_cfg_cmd *)skb->data;
+ cmd->info0 = u32_encode_bits(HTT_H2T_MSG_TYPE_TX_MONITOR_CFG,
+ HTT_TX_RING_SELECTION_CFG_CMD_INFO0_MSG_TYPE);
+ if (htt_ring_type == HTT_SW_TO_HW_RING ||
+ htt_ring_type == HTT_HW_TO_SW_RING)
+ cmd->info0 |=
+ u32_encode_bits(DP_SW2HW_MACID(mac_id),
+ HTT_TX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID);
+ else
+ cmd->info0 |=
+ u32_encode_bits(mac_id,
+ HTT_TX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID);
+ cmd->info0 |= u32_encode_bits(htt_ring_id,
+ HTT_TX_RING_SELECTION_CFG_CMD_INFO0_RING_ID);
+ cmd->info0 |= u32_encode_bits(!!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP),
+ HTT_TX_RING_SELECTION_CFG_CMD_INFO0_SS);
+ cmd->info0 |= u32_encode_bits(!!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP),
+ HTT_TX_RING_SELECTION_CFG_CMD_INFO0_PS);
+
+ cmd->info1 |= u32_encode_bits(tx_buf_size,
+ HTT_TX_RING_SELECTION_CFG_CMD_INFO1_RING_BUFF_SIZE);
+
+ if (htt_tlv_filter->tx_mon_mgmt_filter) {
+ cmd->info1 |=
+ u32_encode_bits(HTT_STATS_FRAME_CTRL_TYPE_MGMT,
+ HTT_TX_RING_SELECTION_CFG_CMD_INFO1_PKT_TYPE);
+ cmd->info1 |=
+ u32_encode_bits(htt_tlv_filter->tx_mon_pkt_dma_len,
+ HTT_TX_RING_SELECTION_CFG_CMD_INFO1_CONF_LEN_MGMT);
+ cmd->info2 |=
+ u32_encode_bits(HTT_STATS_FRAME_CTRL_TYPE_MGMT,
+ HTT_TX_RING_SELECTION_CFG_CMD_INFO2_PKT_TYPE_EN_FLAG);
+ }
+
+ if (htt_tlv_filter->tx_mon_data_filter) {
+ cmd->info1 |=
+ u32_encode_bits(HTT_STATS_FRAME_CTRL_TYPE_CTRL,
+ HTT_TX_RING_SELECTION_CFG_CMD_INFO1_PKT_TYPE);
+ cmd->info1 |=
+ u32_encode_bits(htt_tlv_filter->tx_mon_pkt_dma_len,
+ HTT_TX_RING_SELECTION_CFG_CMD_INFO1_CONF_LEN_CTRL);
+ cmd->info2 |=
+ u32_encode_bits(HTT_STATS_FRAME_CTRL_TYPE_CTRL,
+ HTT_TX_RING_SELECTION_CFG_CMD_INFO2_PKT_TYPE_EN_FLAG);
+ }
+
+ if (htt_tlv_filter->tx_mon_ctrl_filter) {
+ cmd->info1 |=
+ u32_encode_bits(HTT_STATS_FRAME_CTRL_TYPE_DATA,
+ HTT_TX_RING_SELECTION_CFG_CMD_INFO1_PKT_TYPE);
+ cmd->info1 |=
+ u32_encode_bits(htt_tlv_filter->tx_mon_pkt_dma_len,
+ HTT_TX_RING_SELECTION_CFG_CMD_INFO1_CONF_LEN_DATA);
+ cmd->info2 |=
+ u32_encode_bits(HTT_STATS_FRAME_CTRL_TYPE_DATA,
+ HTT_TX_RING_SELECTION_CFG_CMD_INFO2_PKT_TYPE_EN_FLAG);
+ }
+
+ cmd->tlv_filter_mask_in0 = htt_tlv_filter->tx_mon_downstream_tlv_flags;
+ cmd->tlv_filter_mask_in1 = htt_tlv_filter->tx_mon_upstream_tlv_flags0;
+ cmd->tlv_filter_mask_in2 = htt_tlv_filter->tx_mon_upstream_tlv_flags1;
+ cmd->tlv_filter_mask_in3 = htt_tlv_filter->tx_mon_upstream_tlv_flags2;
+
+ ret = ath12k_htc_send(&ab->htc, ab->dp.eid, skb);
+ if (ret)
+ goto err_free;
+
+ return 0;
+
+err_free:
+ dev_kfree_skb_any(skb);
+ return ret;
+}
+
+int ath12k_dp_tx_htt_tx_monitor_mode_ring_config(struct ath12k *ar, bool reset)
+{
+ struct ath12k_base *ab = ar->ab;
+ struct ath12k_dp *dp = &ab->dp;
+ struct htt_tx_ring_tlv_filter tlv_filter = {0};
+ int ret = 0, ring_id = 0;
+
+ ring_id = dp->tx_mon_buf_ring.refill_buf_ring.ring_id;
+
+ /* TODO: Need to set upstream/downstream tlv filters
+ * here
+ */
+
+ if (ab->hw_params->rxdma1_enable) {
+ ret = ath12k_dp_tx_htt_tx_filter_setup(ar->ab, ring_id, 0,
+ HAL_TX_MONITOR_BUF,
+ DP_RXDMA_REFILL_RING_SIZE,
+ &tlv_filter);
+ if (ret) {
+ ath12k_err(ab,
+ "failed to setup filter for monitor buf %d\n", ret);
+ return ret;
+ }
+ }
+
+ return ret;
+}