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linux-zen-server/drivers/net/wireless/ath/ath12k/dp_tx.c

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// 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;
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;
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, 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(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 = le32_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 = le32_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 = le32_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 |= le32_encode_bits(DP_SW2HW_MACID(mac_id),
HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID);
else
cmd->info0 |= le32_encode_bits(mac_id,
HTT_SRNG_SETUP_CMD_INFO0_PDEV_ID);
cmd->info0 |= le32_encode_bits(htt_ring_type,
HTT_SRNG_SETUP_CMD_INFO0_RING_TYPE);
cmd->info0 |= le32_encode_bits(htt_ring_id,
HTT_SRNG_SETUP_CMD_INFO0_RING_ID);
cmd->ring_base_addr_lo = cpu_to_le32(params.ring_base_paddr &
HAL_ADDR_LSB_REG_MASK);
cmd->ring_base_addr_hi = cpu_to_le32((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 = le32_encode_bits(ring_entry_sz,
HTT_SRNG_SETUP_CMD_INFO1_RING_ENTRY_SIZE);
cmd->info1 |= le32_encode_bits(params.num_entries * ring_entry_sz,
HTT_SRNG_SETUP_CMD_INFO1_RING_SIZE);
cmd->info1 |= le32_encode_bits(!!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP),
HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_MSI_SWAP);
cmd->info1 |= le32_encode_bits(!!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP),
HTT_SRNG_SETUP_CMD_INFO1_RING_FLAGS_TLV_SWAP);
cmd->info1 |= le32_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 |= cpu_to_le32(HTT_SRNG_SETUP_CMD_INFO1_RING_LOOP_CNT_DIS);
cmd->ring_head_off32_remote_addr_lo = cpu_to_le32(lower_32_bits(hp_addr));
cmd->ring_head_off32_remote_addr_hi = cpu_to_le32(upper_32_bits(hp_addr));
cmd->ring_tail_off32_remote_addr_lo = cpu_to_le32(lower_32_bits(tp_addr));
cmd->ring_tail_off32_remote_addr_hi = cpu_to_le32(upper_32_bits(tp_addr));
cmd->ring_msi_addr_lo = cpu_to_le32(lower_32_bits(params.msi_addr));
cmd->ring_msi_addr_hi = cpu_to_le32(upper_32_bits(params.msi_addr));
cmd->msi_data = cpu_to_le32(params.msi_data);
cmd->intr_info =
le32_encode_bits(params.intr_batch_cntr_thres_entries * ring_entry_sz,
HTT_SRNG_SETUP_CMD_INTR_INFO_BATCH_COUNTER_THRESH);
cmd->intr_info |=
le32_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 = le32_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 = le32_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 = le32_encode_bits(HTT_H2T_MSG_TYPE_PPDU_STATS_CFG,
HTT_PPDU_STATS_CFG_MSG_TYPE);
pdev_mask = 1 << (i + 1);
cmd->msg |= le32_encode_bits(pdev_mask, HTT_PPDU_STATS_CFG_PDEV_ID);
cmd->msg |= le32_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 = le32_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 |=
le32_encode_bits(DP_SW2HW_MACID(mac_id),
HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID);
else
cmd->info0 |=
le32_encode_bits(mac_id,
HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID);
cmd->info0 |= le32_encode_bits(htt_ring_id,
HTT_RX_RING_SELECTION_CFG_CMD_INFO0_RING_ID);
cmd->info0 |= le32_encode_bits(!!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP),
HTT_RX_RING_SELECTION_CFG_CMD_INFO0_SS);
cmd->info0 |= le32_encode_bits(!!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP),
HTT_RX_RING_SELECTION_CFG_CMD_INFO0_PS);
cmd->info0 |= le32_encode_bits(tlv_filter->offset_valid,
HTT_RX_RING_SELECTION_CFG_CMD_OFFSET_VALID);
cmd->info1 = le32_encode_bits(rx_buf_size,
HTT_RX_RING_SELECTION_CFG_CMD_INFO1_BUF_SIZE);
cmd->pkt_type_en_flags0 = cpu_to_le32(tlv_filter->pkt_filter_flags0);
cmd->pkt_type_en_flags1 = cpu_to_le32(tlv_filter->pkt_filter_flags1);
cmd->pkt_type_en_flags2 = cpu_to_le32(tlv_filter->pkt_filter_flags2);
cmd->pkt_type_en_flags3 = cpu_to_le32(tlv_filter->pkt_filter_flags3);
cmd->rx_filter_tlv = cpu_to_le32(tlv_filter->rx_filter);
if (tlv_filter->offset_valid) {
cmd->rx_packet_offset =
le32_encode_bits(tlv_filter->rx_packet_offset,
HTT_RX_RING_SELECTION_CFG_RX_PACKET_OFFSET);
cmd->rx_packet_offset |=
le32_encode_bits(tlv_filter->rx_header_offset,
HTT_RX_RING_SELECTION_CFG_RX_HEADER_OFFSET);
cmd->rx_mpdu_offset =
le32_encode_bits(tlv_filter->rx_mpdu_end_offset,
HTT_RX_RING_SELECTION_CFG_RX_MPDU_END_OFFSET);
cmd->rx_mpdu_offset |=
le32_encode_bits(tlv_filter->rx_mpdu_start_offset,
HTT_RX_RING_SELECTION_CFG_RX_MPDU_START_OFFSET);
cmd->rx_msdu_offset =
le32_encode_bits(tlv_filter->rx_msdu_end_offset,
HTT_RX_RING_SELECTION_CFG_RX_MSDU_END_OFFSET);
cmd->rx_msdu_offset |=
le32_encode_bits(tlv_filter->rx_msdu_start_offset,
HTT_RX_RING_SELECTION_CFG_RX_MSDU_START_OFFSET);
cmd->rx_attn_offset =
le32_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 = cpu_to_le32(cfg_params->cfg0);
cmd->cfg_param1 = cpu_to_le32(cfg_params->cfg1);
cmd->cfg_param2 = cpu_to_le32(cfg_params->cfg2);
cmd->cfg_param3 = cpu_to_le32(cfg_params->cfg3);
cmd->cookie_lsb = cpu_to_le32(lower_32_bits(cookie));
cmd->cookie_msb = cpu_to_le32(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;
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, ring_id;
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 = le32_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 |=
le32_encode_bits(DP_SW2HW_MACID(mac_id),
HTT_TX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID);
else
cmd->info0 |=
le32_encode_bits(mac_id,
HTT_TX_RING_SELECTION_CFG_CMD_INFO0_PDEV_ID);
cmd->info0 |= le32_encode_bits(htt_ring_id,
HTT_TX_RING_SELECTION_CFG_CMD_INFO0_RING_ID);
cmd->info0 |= le32_encode_bits(!!(params.flags & HAL_SRNG_FLAGS_MSI_SWAP),
HTT_TX_RING_SELECTION_CFG_CMD_INFO0_SS);
cmd->info0 |= le32_encode_bits(!!(params.flags & HAL_SRNG_FLAGS_DATA_TLV_SWAP),
HTT_TX_RING_SELECTION_CFG_CMD_INFO0_PS);
cmd->info1 |=
le32_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 |=
le32_encode_bits(HTT_STATS_FRAME_CTRL_TYPE_MGMT,
HTT_TX_RING_SELECTION_CFG_CMD_INFO1_PKT_TYPE);
cmd->info1 |=
le32_encode_bits(htt_tlv_filter->tx_mon_pkt_dma_len,
HTT_TX_RING_SELECTION_CFG_CMD_INFO1_CONF_LEN_MGMT);
cmd->info2 |=
le32_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 |=
le32_encode_bits(HTT_STATS_FRAME_CTRL_TYPE_CTRL,
HTT_TX_RING_SELECTION_CFG_CMD_INFO1_PKT_TYPE);
cmd->info1 |=
le32_encode_bits(htt_tlv_filter->tx_mon_pkt_dma_len,
HTT_TX_RING_SELECTION_CFG_CMD_INFO1_CONF_LEN_CTRL);
cmd->info2 |=
le32_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 |=
le32_encode_bits(HTT_STATS_FRAME_CTRL_TYPE_DATA,
HTT_TX_RING_SELECTION_CFG_CMD_INFO1_PKT_TYPE);
cmd->info1 |=
le32_encode_bits(htt_tlv_filter->tx_mon_pkt_dma_len,
HTT_TX_RING_SELECTION_CFG_CMD_INFO1_CONF_LEN_DATA);
cmd->info2 |=
le32_encode_bits(HTT_STATS_FRAME_CTRL_TYPE_DATA,
HTT_TX_RING_SELECTION_CFG_CMD_INFO2_PKT_TYPE_EN_FLAG);
}
cmd->tlv_filter_mask_in0 =
cpu_to_le32(htt_tlv_filter->tx_mon_downstream_tlv_flags);
cmd->tlv_filter_mask_in1 =
cpu_to_le32(htt_tlv_filter->tx_mon_upstream_tlv_flags0);
cmd->tlv_filter_mask_in2 =
cpu_to_le32(htt_tlv_filter->tx_mon_upstream_tlv_flags1);
cmd->tlv_filter_mask_in3 =
cpu_to_le32(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, ring_id;
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 0;
}
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