A_STATUS HTCTxEnqueuePkts(HTC_TARGET *target,
HTC_ENDPOINT *pEndpoint,
adf_nbuf_t hdr_buf,
adf_nbuf_t buf)
{
//a_uint32_t i;
A_STATUS status = A_OK;
LOCK_HTC_TX(target);
if (pEndpoint->TxBufCnt >= HTC_TX_QUEUE_SIZE) {
UNLOCK_HTC_TX(target);
//adf_os_print("HTC Tx queue is full!\n");
return A_NO_RESOURCE;
}
pEndpoint->HtcTxQueue[pEndpoint->TxQTail].hdr_buf = hdr_buf;
if (hdr_buf == ADF_NBUF_NULL) {
pEndpoint->HtcTxQueue[pEndpoint->TxQTail].hdr_bufLen = 0;
}
else {
pEndpoint->HtcTxQueue[pEndpoint->TxQTail].hdr_bufLen = adf_nbuf_len(hdr_buf);
}
pEndpoint->HtcTxQueue[pEndpoint->TxQTail].buf = buf;
pEndpoint->HtcTxQueue[pEndpoint->TxQTail].bufLen = adf_nbuf_len(buf);
pEndpoint->TxQTail = (pEndpoint->TxQTail + 1) % HTC_TX_QUEUE_SIZE;
pEndpoint->TxBufCnt += 1;
UNLOCK_HTC_TX(target);
return (status? A_ERROR : A_OK);
}
adf_nbuf_t RxSgToSingleNetbuf(HTC_TARGET *target)
{
adf_nbuf_t skb;
a_uint8_t *anbdata;
a_uint8_t *anbdata_new;
a_uint32_t anblen;
adf_nbuf_t new_skb = NULL;
a_uint32_t sg_queue_len;
adf_nbuf_queue_t *rx_sg_queue = &target->RxSgQueue;
sg_queue_len = adf_nbuf_queue_len(rx_sg_queue);
if (sg_queue_len <= 1) {
AR_DEBUG_PRINTF(ATH_DEBUG_ERR,
("RxSgToSingleNetbuf: invalid sg queue len %u\n"));
goto _failed;
}
new_skb = adf_nbuf_alloc(target->ExpRxSgTotalLen, 0, 4, FALSE);
if (new_skb == NULL) {
AR_DEBUG_PRINTF(ATH_DEBUG_ERR,
("RxSgToSingleNetbuf: can't allocate %u size netbuf\n",
target->ExpRxSgTotalLen));
goto _failed;
}
adf_nbuf_peek_header(new_skb, &anbdata_new, &anblen);
skb = adf_nbuf_queue_remove(rx_sg_queue);
do {
adf_nbuf_peek_header(skb, &anbdata, &anblen);
adf_os_mem_copy(anbdata_new, anbdata, adf_nbuf_len(skb));
adf_nbuf_put_tail(new_skb, adf_nbuf_len(skb));
anbdata_new += adf_nbuf_len(skb);
adf_nbuf_free(skb);
skb = adf_nbuf_queue_remove(rx_sg_queue);
} while(skb != NULL);
RESET_RX_SG_CONFIG(target);
return new_skb;
_failed:
while ((skb = adf_nbuf_queue_remove(rx_sg_queue)) != NULL) {
adf_nbuf_free(skb);
}
RESET_RX_SG_CONFIG(target);
return NULL;
}
static inline int
htt_tx_send_base(
htt_pdev_handle pdev,
adf_nbuf_t msdu,
u_int16_t msdu_id,
int download_len,
u_int8_t more_data)
{
struct htt_host_tx_desc_t *htt_host_tx_desc;
struct htt_htc_pkt *pkt;
int packet_len;
HTC_ENDPOINT_ID ep_id;
/*
* The HTT tx descriptor was attached as the prefix fragment to the
* msdu netbuf during the call to htt_tx_desc_init.
* Retrieve it so we can provide its HTC header space to HTC.
*/
htt_host_tx_desc = (struct htt_host_tx_desc_t *)
adf_nbuf_get_frag_vaddr(msdu, 0);
pkt = htt_htc_pkt_alloc(pdev);
if (!pkt) {
return 1; /* failure */
}
pkt->msdu_id = msdu_id;
pkt->pdev_ctxt = pdev->txrx_pdev;
/* packet length includes HTT tx desc frag added above */
packet_len = adf_nbuf_len(msdu);
if (packet_len < download_len) {
/*
* This case of packet length being less than the nominal download
* length can happen for a couple reasons:
* In HL, the nominal download length is a large artificial value.
* In LL, the frame may not have the optional header fields
* accounted for in the nominal download size (LLC/SNAP header,
* IPv4 or IPv6 header).
*/
download_len = packet_len;
}
ep_id = htt_tx_htt2_get_ep_id(pdev, msdu);
SET_HTC_PACKET_INFO_TX(
&pkt->htc_pkt,
pdev->tx_send_complete_part2,
(unsigned char *) htt_host_tx_desc,
download_len - HTC_HDR_LENGTH,
ep_id,
1); /* tag - not relevant here */
SET_HTC_PACKET_NET_BUF_CONTEXT(&pkt->htc_pkt, msdu);
adf_nbuf_trace_update(msdu, "HT:T:");
HTCSendDataPkt(pdev->htc_pdev, &pkt->htc_pkt, more_data);
return 0; /* success */
}
A_STATUS
htt_h2t_sync_msg(struct htt_pdev_t *pdev, u_int8_t sync_cnt)
{
struct htt_htc_pkt *pkt;
adf_nbuf_t msg;
u_int32_t *msg_word;
pkt = htt_htc_pkt_alloc(pdev);
if (!pkt) {
return A_NO_MEMORY;
}
/* show that this is not a tx frame download (not required, but helpful) */
pkt->msdu_id = HTT_TX_COMPL_INV_MSDU_ID;
pkt->pdev_ctxt = NULL; /* not used during send-done callback */
msg = adf_nbuf_alloc(
pdev->osdev,
HTT_MSG_BUF_SIZE(HTT_H2T_SYNC_MSG_SZ),
/* reserve room for HTC header */
HTC_HEADER_LEN + HTC_HDR_ALIGNMENT_PADDING, 4, FALSE);
if (!msg) {
htt_htc_pkt_free(pdev, pkt);
return A_NO_MEMORY;
}
/* set the length of the message */
adf_nbuf_put_tail(msg, HTT_H2T_SYNC_MSG_SZ);
/* fill in the message contents */
msg_word = (u_int32_t *) adf_nbuf_data(msg);
/* rewind beyond alignment pad to get to the HTC header reserved area */
adf_nbuf_push_head(msg, HTC_HDR_ALIGNMENT_PADDING);
*msg_word = 0;
HTT_H2T_MSG_TYPE_SET(*msg_word, HTT_H2T_MSG_TYPE_SYNC);
HTT_H2T_SYNC_COUNT_SET(*msg_word, sync_cnt);
SET_HTC_PACKET_INFO_TX(
&pkt->htc_pkt,
htt_h2t_send_complete_free_netbuf,
adf_nbuf_data(msg),
adf_nbuf_len(msg),
pdev->htc_endpoint,
HTC_TX_PACKET_TAG_RUNTIME_PUT);
SET_HTC_PACKET_NET_BUF_CONTEXT(&pkt->htc_pkt, msg);
#ifdef ATH_11AC_TXCOMPACT
if (HTCSendPkt(pdev->htc_pdev, &pkt->htc_pkt) == A_OK)
htt_htc_misc_pkt_list_add(pdev, pkt);
#else
HTCSendPkt(pdev->htc_pdev, &pkt->htc_pkt);
#endif
if ((pdev->cfg.is_high_latency) &&
(!pdev->cfg.default_tx_comp_req)) {
ol_tx_target_credit_update(pdev->txrx_pdev, -1);
}
return A_OK;
}
/* WMI Event handler register API */
int wmi_unified_get_event_handler_ix(wmi_unified_t wmi_handle,
WMI_EVT_ID event_id)
{
u_int32_t idx = 0;
for (idx = 0; (idx < wmi_handle->max_event_idx &&
idx < WMI_UNIFIED_MAX_EVENT); ++idx) {
if (wmi_handle->event_id[idx] == event_id &&
wmi_handle->event_handler[idx] != NULL ) {
return idx;
}
}
return -1;
}
int wmi_unified_register_event_handler(wmi_unified_t wmi_handle,
WMI_EVT_ID event_id,
wmi_unified_event_handler handler_func)
{
u_int32_t idx=0;
if ( wmi_unified_get_event_handler_ix( wmi_handle, event_id) != -1) {
printk("%s : event handler already registered 0x%x \n",
__func__, event_id);
return -1;
}
if ( wmi_handle->max_event_idx == WMI_UNIFIED_MAX_EVENT ) {
printk("%s : no more event handlers 0x%x \n",
__func__, event_id);
return -1;
}
idx=wmi_handle->max_event_idx;
wmi_handle->event_handler[idx] = handler_func;
wmi_handle->event_id[idx] = event_id;
wmi_handle->max_event_idx++;
return 0;
}
int wmi_unified_unregister_event_handler(wmi_unified_t wmi_handle,
WMI_EVT_ID event_id)
{
u_int32_t idx=0;
if ( (idx = wmi_unified_get_event_handler_ix( wmi_handle, event_id)) == -1) {
printk("%s : event handler is not registered: event id 0x%x \n",
__func__, event_id);
return -1;
}
wmi_handle->event_handler[idx] = NULL;
wmi_handle->event_id[idx] = 0;
--wmi_handle->max_event_idx;
wmi_handle->event_handler[idx] = wmi_handle->event_handler[wmi_handle->max_event_idx];
wmi_handle->event_id[idx] = wmi_handle->event_id[wmi_handle->max_event_idx] ;
return 0;
}
#if 0 /* currently not used */
static int wmi_unified_event_rx(struct wmi_unified *wmi_handle,
wmi_buf_t evt_buf)
{
u_int32_t id;
u_int8_t *event;
u_int16_t len;
int status = -1;
u_int32_t idx = 0;
ASSERT(evt_buf != NULL);
id = WMI_GET_FIELD(adf_nbuf_data(evt_buf), WMI_CMD_HDR, COMMANDID);
if (adf_nbuf_pull_head(evt_buf, sizeof(WMI_CMD_HDR)) == NULL)
goto end;
idx = wmi_unified_get_event_handler_ix(wmi_handle, id);
if (idx == -1) {
pr_err("%s : event handler is not registered: event id: 0x%x\n",
__func__, id);
goto end;
}
event = adf_nbuf_data(evt_buf);
len = adf_nbuf_len(evt_buf);
/* Call the WMI registered event handler */
status = wmi_handle->event_handler[idx](wmi_handle->scn_handle,
event, len);
end:
adf_nbuf_free(evt_buf);
return status;
}
/* Scheduling the Queued packets in HTT which could not be sent out because of No CE desc*/
void
htt_tx_sched(htt_pdev_handle pdev)
{
adf_nbuf_t msdu;
int download_len = pdev->download_len;
int packet_len;
HTT_TX_NBUF_QUEUE_REMOVE(pdev, msdu);
while (msdu != NULL){
int not_accepted;
/* packet length includes HTT tx desc frag added above */
packet_len = adf_nbuf_len(msdu);
if (packet_len < download_len) {
/*
* This case of packet length being less than the nominal download
* length can happen for a couple reasons:
* In HL, the nominal download length is a large artificial value.
* In LL, the frame may not have the optional header fields
* accounted for in the nominal download size (LLC/SNAP header,
* IPv4 or IPv6 header).
*/
download_len = packet_len;
}
not_accepted = HTCSendDataPkt(
pdev->htc_pdev, msdu, pdev->htc_endpoint, download_len);
if (not_accepted) {
HTT_TX_NBUF_QUEUE_INSERT_HEAD(pdev, msdu);
return;
}
HTT_TX_NBUF_QUEUE_REMOVE(pdev, msdu);
}
}
int htt_h2t_ipa_uc_get_stats(struct htt_pdev_t *pdev)
{
struct htt_htc_pkt *pkt = NULL;
adf_nbuf_t msg = NULL;
u_int32_t *msg_word;
/* New buffer alloc send */
pkt = htt_htc_pkt_alloc(pdev);
if (!pkt) {
return A_NO_MEMORY;
}
/* show that this is not a tx frame download (not required,
* but helpful) */
pkt->msdu_id = HTT_TX_COMPL_INV_MSDU_ID;
pkt->pdev_ctxt = NULL; /* not used during send-done callback */
msg = adf_nbuf_alloc(
pdev->osdev,
HTT_MSG_BUF_SIZE(HTT_WDI_IPA_OP_REQUEST_SZ),
/* reserve room for HTC header */
HTC_HEADER_LEN + HTC_HDR_ALIGNMENT_PADDING, 4, FALSE);
if (!msg) {
htt_htc_pkt_free(pdev, pkt);
return A_NO_MEMORY;
}
/* set the length of the message */
adf_nbuf_put_tail(msg, HTT_WDI_IPA_OP_REQUEST_SZ);
/* rewind beyond alignment pad to get to the HTC header reserved area */
adf_nbuf_push_head(msg, HTC_HDR_ALIGNMENT_PADDING);
/* fill in the message contents */
msg_word = (u_int32_t *) adf_nbuf_data(msg);
*msg_word = 0;
HTT_WDI_IPA_OP_REQUEST_OP_CODE_SET(*msg_word,
HTT_WDI_IPA_OPCODE_DBG_STATS);
HTT_H2T_MSG_TYPE_SET(*msg_word, HTT_H2T_MSG_TYPE_WDI_IPA_OP_REQ);
SET_HTC_PACKET_INFO_TX(
&pkt->htc_pkt,
htt_h2t_send_complete_free_netbuf,
adf_nbuf_data(msg),
adf_nbuf_len(msg),
pdev->htc_endpoint,
1); /* tag - not relevant here */
SET_HTC_PACKET_NET_BUF_CONTEXT(&pkt->htc_pkt, msg);
#ifdef ATH_11AC_TXCOMPACT
if (HTCSendPkt(pdev->htc_pdev, &pkt->htc_pkt) == A_OK)
htt_htc_misc_pkt_list_add(pdev, pkt);
#else
HTCSendPkt(pdev->htc_pdev, &pkt->htc_pkt);
#endif
return A_OK;
}
void epping_tx_dup_pkt(epping_adapter_t *pAdapter,
HTC_ENDPOINT_ID eid, adf_nbuf_t skb)
{
struct epping_cookie * cookie = NULL;
int skb_len, ret;
adf_nbuf_t new_skb;
cookie = epping_alloc_cookie(pAdapter->pEpping_ctx);
if (cookie == NULL) {
EPPING_LOG(VOS_TRACE_LEVEL_FATAL,
"%s: epping_alloc_cookie returns no resource\n", __func__);
return;
}
new_skb = adf_nbuf_copy(skb);
if (!new_skb) {
EPPING_LOG(VOS_TRACE_LEVEL_FATAL,
"%s: adf_nbuf_copy returns no resource\n", __func__);
epping_free_cookie(pAdapter->pEpping_ctx, cookie);
return;
}
SET_HTC_PACKET_INFO_TX(&cookie->HtcPkt,
cookie, adf_nbuf_data(skb), adf_nbuf_len(new_skb), eid, 0);
SET_HTC_PACKET_NET_BUF_CONTEXT(&cookie->HtcPkt, new_skb);
skb_len = (int)adf_nbuf_len(new_skb);
/* send the packet */
ret = HTCSendPkt(pAdapter->pEpping_ctx->HTCHandle, &cookie->HtcPkt);
if (ret != A_OK) {
EPPING_LOG(VOS_TRACE_LEVEL_FATAL,
"%s: HTCSendPkt failed, ret = %d\n", __func__, ret);
epping_free_cookie(pAdapter->pEpping_ctx, cookie);
adf_nbuf_free(new_skb);
return;
}
pAdapter->stats.tx_bytes += skb_len;
++pAdapter->stats.tx_packets;
if (((pAdapter->stats.tx_packets +
pAdapter->stats.tx_dropped) % EPPING_STATS_LOG_COUNT) == 0 &&
(pAdapter->stats.tx_packets || pAdapter->stats.tx_dropped)) {
epping_log_stats(pAdapter, __func__);
}
}
static inline HTC_ENDPOINT_ID
htt_tx_htt2_get_ep_id(
htt_pdev_handle pdev,
adf_nbuf_t msdu)
{
/*
* TX HTT2 service mainly for small sized frame and check if
* this candidate frame allow or not.
*/
if ((pdev->htc_tx_htt2_endpoint != ENDPOINT_UNUSED) &&
adf_nbuf_get_tx_parallel_dnload_frm(msdu) &&
(adf_nbuf_len(msdu) < pdev->htc_tx_htt2_max_size))
return pdev->htc_tx_htt2_endpoint;
else
return pdev->htc_endpoint;
}
static inline A_STATUS
ol_tx_copy_native_wifi_header(
adf_nbuf_t msdu,
u_int8_t *hdsize,
u_int8_t *localbuf)
{
struct ieee80211_frame *wh = (struct ieee80211_frame*)adf_nbuf_data(msdu);
if ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS) {
*hdsize = sizeof(struct ieee80211_frame_addr4);
} else {
*hdsize = sizeof(struct ieee80211_frame);
}
if (adf_nbuf_len(msdu) < *hdsize) {
return A_ERROR;
}
adf_os_mem_copy(localbuf, wh, *hdsize);
return A_OK;
}
int
htt_tx_send_std(
htt_pdev_handle pdev,
adf_nbuf_t msdu,
u_int16_t msdu_id)
{
int download_len = pdev->download_len;
int packet_len;
/* packet length includes HTT tx desc frag added above */
packet_len = adf_nbuf_len(msdu);
if (packet_len < download_len) {
/*
* This case of packet length being less than the nominal download
* length can happen for a couple reasons:
* In HL, the nominal download length is a large artificial value.
* In LL, the frame may not have the optional header fields
* accounted for in the nominal download size (LLC/SNAP header,
* IPv4 or IPv6 header).
*/
download_len = packet_len;
}
if (adf_nbuf_queue_len(&pdev->txnbufq) > 0) {
HTT_TX_NBUF_QUEUE_ADD(pdev, msdu);
htt_tx_sched(pdev);
return 0;
}
adf_nbuf_trace_update(msdu, "HT:T:");
if (HTCSendDataPkt(pdev->htc_pdev, msdu, pdev->htc_endpoint, download_len)){
HTT_TX_NBUF_QUEUE_ADD(pdev, msdu);
}
return 0; /* success */
}
/*
* Call netif_stop_queue frequently will impact the mboxping tx t-put.
* Return HTC_SEND_FULL_KEEP directly in epping_tx_queue_full to avoid.
*/
return HTC_SEND_FULL_KEEP;
}
#endif /* HIF_SDIO */
void epping_tx_complete_multiple(void *ctx,
HTC_PACKET_QUEUE *pPacketQueue)
{
epping_context_t *pEpping_ctx = (epping_context_t *)ctx;
epping_adapter_t *pAdapter = pEpping_ctx->epping_adapter;
struct net_device* dev = pAdapter->dev;
A_STATUS status;
HTC_ENDPOINT_ID eid;
adf_nbuf_t pktSkb;
struct epping_cookie *cookie;
A_BOOL flushing = FALSE;
adf_nbuf_queue_t skb_queue;
HTC_PACKET *htc_pkt;
adf_nbuf_queue_init(&skb_queue);
adf_os_spin_lock_bh(&pAdapter->data_lock);
while (!HTC_QUEUE_EMPTY(pPacketQueue)) {
htc_pkt = HTC_PACKET_DEQUEUE(pPacketQueue);
if (htc_pkt == NULL)
break;
status=htc_pkt->Status;
eid=htc_pkt->Endpoint;
pktSkb=GET_HTC_PACKET_NET_BUF_CONTEXT(htc_pkt);
cookie = htc_pkt->pPktContext;
if (!pktSkb) {
EPPING_LOG(VOS_TRACE_LEVEL_ERROR,
"%s: pktSkb is NULL", __func__);
ASSERT(0);
} else {
if (htc_pkt->pBuffer != adf_nbuf_data(pktSkb)) {
EPPING_LOG(VOS_TRACE_LEVEL_ERROR,
"%s: htc_pkt buffer not equal to skb->data", __func__);
ASSERT(0);
}
/* add this to the list, use faster non-lock API */
adf_nbuf_queue_add(&skb_queue,pktSkb);
if (A_SUCCESS(status))
if (htc_pkt->ActualLength != adf_nbuf_len(pktSkb)) {
EPPING_LOG(VOS_TRACE_LEVEL_ERROR,
"%s: htc_pkt length not equal to skb->len", __func__);
ASSERT(0);
}
}
EPPING_LOG(VOS_TRACE_LEVEL_INFO,
"%s skb=%p data=%p len=0x%x eid=%d ",
__func__, pktSkb, htc_pkt->pBuffer,
htc_pkt->ActualLength, eid);
if (A_FAILED(status)) {
if (status == A_ECANCELED) {
/* a packet was flushed */
flushing = TRUE;
}
if (status != A_NO_RESOURCE) {
printk("%s() -TX ERROR, status: 0x%x\n", __func__,
status);
}
} else {
EPPING_LOG(VOS_TRACE_LEVEL_INFO, "%s: OK\n", __func__);
flushing = FALSE;
}
epping_free_cookie(pAdapter->pEpping_ctx, cookie);
}
adf_os_spin_unlock_bh(&pAdapter->data_lock);
/* free all skbs in our local list */
while (adf_nbuf_queue_len(&skb_queue)) {
/* use non-lock version */
pktSkb = adf_nbuf_queue_remove(&skb_queue);
if (pktSkb == NULL)
break;
adf_nbuf_tx_free(pktSkb, ADF_NBUF_PKT_ERROR);
pEpping_ctx->total_tx_acks++;
}
if (!flushing) {
netif_wake_queue(dev);
}
}
static int epping_tx_send_int(adf_nbuf_t skb,
epping_adapter_t *pAdapter)
{
EPPING_HEADER *eppingHdr = (EPPING_HEADER *)adf_nbuf_data(skb);
HTC_ENDPOINT_ID eid = ENDPOINT_UNUSED;
struct epping_cookie * cookie = NULL;
A_UINT8 ac = 0;
A_STATUS ret = A_OK;
int skb_len;
EPPING_HEADER tmpHdr = *eppingHdr;
/* allocate resource for this packet */
cookie = epping_alloc_cookie(pAdapter->pEpping_ctx);
/* no resource */
if (cookie == NULL) {
EPPING_LOG(VOS_TRACE_LEVEL_FATAL,
"%s: epping_alloc_cookie returns no resource\n", __func__);
return -1;
}
if (enb_tx_dump)
epping_hex_dump((void *)eppingHdr, skb->len, __func__);
/*
* a quirk of linux, the payload of the frame is 32-bit aligned and thus
* the addition of the HTC header will mis-align the start of the HTC
* frame, so we add some padding which will be stripped off in the target
*/
if (EPPING_ALIGNMENT_PAD > 0) {
A_NETBUF_PUSH(skb, EPPING_ALIGNMENT_PAD);
}
/* prepare ep/HTC information */
ac = eppingHdr->StreamNo_h;
eid = pAdapter->pEpping_ctx->EppingEndpoint[ac];
if (eid < 0 || eid >= EPPING_MAX_NUM_EPIDS) {
EPPING_LOG(VOS_TRACE_LEVEL_FATAL,
"%s: invalid eid = %d, ac = %d\n", __func__, eid, ac);
return -1;
}
if (tmpHdr.Cmd_h == EPPING_CMD_RESET_RECV_CNT ||
tmpHdr.Cmd_h == EPPING_CMD_CONT_RX_START) {
epping_set_kperf_flag(pAdapter, eid, tmpHdr.CmdBuffer_t[0]);
}
if (pAdapter->pEpping_ctx->kperf[eid]) {
switch (tmpHdr.Cmd_h) {
case EPPING_CMD_NO_ECHO:
#ifdef HIF_PCI
epping_tx_copier_schedule(pAdapter->pEpping_ctx, eid, skb);
#endif /* HIF_PCI */
break;
default:
break;
}
}
if (pAdapter->pEpping_ctx->kperf[eid] &&
tmpHdr.Cmd_h == EPPING_CMD_NO_ECHO) {
epping_tx_dup_pkt(pAdapter, eid, skb);
}
SET_HTC_PACKET_INFO_TX(&cookie->HtcPkt,
cookie, adf_nbuf_data(skb), adf_nbuf_len(skb), eid, 0);
SET_HTC_PACKET_NET_BUF_CONTEXT(&cookie->HtcPkt, skb);
skb_len = skb->len;
/* send the packet */
ret = HTCSendPkt(pAdapter->pEpping_ctx->HTCHandle, &cookie->HtcPkt);
epping_log_packet(pAdapter, &tmpHdr, ret, __func__);
if (ret != A_OK) {
EPPING_LOG(VOS_TRACE_LEVEL_FATAL,
"%s: HTCSendPkt failed, status = %d\n", __func__, ret);
epping_free_cookie(pAdapter->pEpping_ctx, cookie);
return -1;
}
pAdapter->stats.tx_bytes += skb_len;
++pAdapter->stats.tx_packets;
if (((pAdapter->stats.tx_packets +
pAdapter->stats.tx_dropped) % EPPING_STATS_LOG_COUNT) == 0 &&
(pAdapter->stats.tx_packets || pAdapter->stats.tx_dropped)) {
epping_log_stats(pAdapter, __func__);
}
return 0;
}
static void WMIRecvMessageHandler(HTC_ENDPOINT_ID EndPt, adf_nbuf_t hdr_buf,
adf_nbuf_t pHTCBuf, void *arg)
{
void *pContext;
WMI_SVC_CONTEXT *pWMI = (WMI_SVC_CONTEXT *)arg;
WMI_DISPATCH_TABLE *pCurrentTable;
WMI_DISPATCH_ENTRY*pCurrentEntry;
WMI_CMD_HANDLER pCmdHandler;
A_UINT8* pCmdBuffer;
int i;
A_UINT16 cmd;
A_UINT16 seq;
int length;
a_uint8_t *anbdata;
a_uint32_t anblen;
WMI_CMD_HDR *cmdHdr;
adf_os_assert(hdr_buf == ADF_NBUF_NULL);
do {
length = adf_nbuf_len(pHTCBuf);
if (length < sizeof(WMI_CMD_HDR)) {
break;
}
adf_nbuf_peek_header(pHTCBuf, &anbdata, &anblen);
pCurrentTable = pWMI->pDispatchHead;
length = length - sizeof(WMI_CMD_HDR);
cmdHdr = (WMI_CMD_HDR *)anbdata;
cmd = adf_os_ntohs(cmdHdr->commandId);
seq = adf_os_ntohs(cmdHdr->seqNo);
pCmdBuffer = anbdata + sizeof(WMI_CMD_HDR);
pCmdHandler = NULL;
while (pCurrentTable != NULL) {
pContext = pCurrentTable->pContext;
pCurrentEntry = pCurrentTable->pTable;
/* scan table entries */
for (i = 0; i < pCurrentTable->NumberOfEntries; i++, pCurrentEntry++) {
if (pCurrentEntry->CmdID == cmd) {
/* found a match */
pCmdHandler = pCurrentEntry->pCmdHandler;
/* optionally check length */
if ((pCurrentEntry->CheckLength != 0) &&
(length < pCurrentEntry->CheckLength)) {
/* do not process command */
pCmdHandler = NULL;
}
/* end search */
break;
}
}
if (pCmdHandler != NULL) {
/* found a handler */
break;
}
/* scan next table */
pCurrentTable = pCurrentTable->pNext;
}
if (NULL == pCmdHandler) {
break;
}
/* if we get here, we have a command handler to dispatch */
/* call dispatch function */
pCmdHandler(pContext, cmd, seq, pCmdBuffer, length);
} while (FALSE);
/* Invalidate the buffer (including HTC header). Note : we only need to invalidate up to the portion
* that was used (cache invalidate will also round up to the nearest cache line).
* The rest of the buffer should still be coherent.
* */
HTC_ReturnBuffers(pWMI->HtcHandle, EndPt, pHTCBuf);
}
void __wmi_control_rx(struct wmi_unified *wmi_handle, wmi_buf_t evt_buf)
{
u_int32_t id;
u_int8_t *data;
u_int32_t len;
void *wmi_cmd_struct_ptr = NULL;
int tlv_ok_status = 0;
id = WMI_GET_FIELD(adf_nbuf_data(evt_buf), WMI_CMD_HDR, COMMANDID);
if (adf_nbuf_pull_head(evt_buf, sizeof(WMI_CMD_HDR)) == NULL)
goto end;
data = adf_nbuf_data(evt_buf);
len = adf_nbuf_len(evt_buf);
/* Validate and pad(if necessary) the TLVs */
tlv_ok_status = wmitlv_check_and_pad_event_tlvs(wmi_handle->scn_handle,
data, len, id,
&wmi_cmd_struct_ptr);
if (tlv_ok_status != 0) {
pr_err("%s: Error: id=0x%d, wmitlv_check_and_pad_tlvs ret=%d\n",
__func__, id, tlv_ok_status);
goto end;
}
#ifdef FEATURE_WLAN_D0WOW
if (wmi_get_d0wow_flag(wmi_handle))
pr_debug("%s: WMI event ID is 0x%x\n", __func__, id);
#endif
if (id >= WMI_EVT_GRP_START_ID(WMI_GRP_START)) {
u_int32_t idx = 0;
idx = wmi_unified_get_event_handler_ix(wmi_handle, id) ;
if (idx == -1) {
pr_err("%s : event handler is not registered: event id 0x%x\n",
__func__, id);
goto end;
}
#ifdef WMI_INTERFACE_EVENT_LOGGING
adf_os_spin_lock_bh(&wmi_handle->wmi_record_lock);
/* Exclude 4 bytes of TLV header */
WMI_EVENT_RECORD(id, ((u_int8_t *)data + 4));
adf_os_spin_unlock_bh(&wmi_handle->wmi_record_lock);
#endif
/* Call the WMI registered event handler */
wmi_handle->event_handler[idx](wmi_handle->scn_handle,
wmi_cmd_struct_ptr, len);
goto end;
}
switch (id) {
default:
pr_info("%s: Unhandled WMI event %d\n", __func__, id);
break;
case WMI_SERVICE_READY_EVENTID:
pr_info("%s: WMI UNIFIED SERVICE READY event\n", __func__);
wma_rx_service_ready_event(wmi_handle->scn_handle,
wmi_cmd_struct_ptr);
break;
case WMI_READY_EVENTID:
pr_info("%s: WMI UNIFIED READY event\n", __func__);
wma_rx_ready_event(wmi_handle->scn_handle, wmi_cmd_struct_ptr);
break;
}
end:
wmitlv_free_allocated_event_tlvs(id, &wmi_cmd_struct_ptr);
adf_nbuf_free(evt_buf);
}
A_STATUS
htt_h2t_rx_ring_cfg_msg_hl(struct htt_pdev_t *pdev)
{
struct htt_htc_pkt *pkt;
adf_nbuf_t msg;
u_int32_t *msg_word;
pkt = htt_htc_pkt_alloc(pdev);
if (!pkt) {
return A_ERROR; /* failure */
}
/* show that this is not a tx frame download (not required, but helpful) */
pkt->msdu_id = HTT_TX_COMPL_INV_MSDU_ID;
pkt->pdev_ctxt = NULL; /* not used during send-done callback */
msg = adf_nbuf_alloc(
pdev->osdev,
HTT_MSG_BUF_SIZE(HTT_RX_RING_CFG_BYTES(1)),
/* reserve room for the HTC header */
HTC_HEADER_LEN + HTC_HDR_ALIGNMENT_PADDING, 4, TRUE);
if (!msg) {
htt_htc_pkt_free(pdev, pkt);
return A_ERROR; /* failure */
}
/*
* Set the length of the message.
* The contribution from the HTC_HDR_ALIGNMENT_PADDING is added
* separately during the below call to adf_nbuf_push_head.
* The contribution from the HTC header is added separately inside HTC.
*/
adf_nbuf_put_tail(msg, HTT_RX_RING_CFG_BYTES(1));
/* fill in the message contents */
msg_word = (u_int32_t *) adf_nbuf_data(msg);
/* rewind beyond alignment pad to get to the HTC header reserved area */
adf_nbuf_push_head(msg, HTC_HDR_ALIGNMENT_PADDING);
*msg_word = 0;
HTT_H2T_MSG_TYPE_SET(*msg_word, HTT_H2T_MSG_TYPE_RX_RING_CFG);
HTT_RX_RING_CFG_NUM_RINGS_SET(*msg_word, 1);
msg_word++;
*msg_word = 0;
HTT_RX_RING_CFG_IDX_SHADOW_REG_PADDR_SET(
*msg_word, pdev->rx_ring.alloc_idx.paddr);
msg_word++;
*msg_word = 0;
HTT_RX_RING_CFG_BASE_PADDR_SET(*msg_word, pdev->rx_ring.base_paddr);
msg_word++;
*msg_word = 0;
HTT_RX_RING_CFG_LEN_SET(*msg_word, pdev->rx_ring.size);
HTT_RX_RING_CFG_BUF_SZ_SET(*msg_word, HTT_RX_BUF_SIZE);
/* FIX THIS: if the FW creates a complete translated rx descriptor, then the MAC DMA of the HW rx descriptor should be disabled. */
msg_word++;
*msg_word = 0;
HTT_RX_RING_CFG_ENABLED_802_11_HDR_SET(*msg_word, 0);
HTT_RX_RING_CFG_ENABLED_MSDU_PAYLD_SET(*msg_word, 1);
HTT_RX_RING_CFG_ENABLED_PPDU_START_SET(*msg_word, 0);
HTT_RX_RING_CFG_ENABLED_PPDU_END_SET(*msg_word, 0);
HTT_RX_RING_CFG_ENABLED_MPDU_START_SET(*msg_word, 0);
HTT_RX_RING_CFG_ENABLED_MPDU_END_SET(*msg_word, 0);
HTT_RX_RING_CFG_ENABLED_MSDU_START_SET(*msg_word, 0);
HTT_RX_RING_CFG_ENABLED_MSDU_END_SET(*msg_word, 0);
HTT_RX_RING_CFG_ENABLED_RX_ATTN_SET(*msg_word, 0);
HTT_RX_RING_CFG_ENABLED_FRAG_INFO_SET(*msg_word, 0); /* always present? */
HTT_RX_RING_CFG_ENABLED_UCAST_SET(*msg_word, 1);
HTT_RX_RING_CFG_ENABLED_MCAST_SET(*msg_word, 1);
/* Must change to dynamic enable at run time
* rather than at compile time
*/
HTT_RX_RING_CFG_ENABLED_CTRL_SET(*msg_word, 0);
HTT_RX_RING_CFG_ENABLED_MGMT_SET(*msg_word, 0);
HTT_RX_RING_CFG_ENABLED_NULL_SET(*msg_word, 0);
HTT_RX_RING_CFG_ENABLED_PHY_SET(*msg_word, 0);
msg_word++;
*msg_word = 0;
HTT_RX_RING_CFG_OFFSET_802_11_HDR_SET(*msg_word,
0);
HTT_RX_RING_CFG_OFFSET_MSDU_PAYLD_SET(*msg_word,
0);
msg_word++;
*msg_word = 0;
HTT_RX_RING_CFG_OFFSET_PPDU_START_SET(*msg_word,
0);
HTT_RX_RING_CFG_OFFSET_PPDU_END_SET(*msg_word,
0);
msg_word++;
*msg_word = 0;
HTT_RX_RING_CFG_OFFSET_MPDU_START_SET(*msg_word,
0);
HTT_RX_RING_CFG_OFFSET_MPDU_END_SET(*msg_word,
0);
msg_word++;
*msg_word = 0;
HTT_RX_RING_CFG_OFFSET_MSDU_START_SET(*msg_word,
0);
HTT_RX_RING_CFG_OFFSET_MSDU_END_SET(*msg_word,
0);
msg_word++;
*msg_word = 0;
HTT_RX_RING_CFG_OFFSET_RX_ATTN_SET(*msg_word,
0);
HTT_RX_RING_CFG_OFFSET_FRAG_INFO_SET(*msg_word,
0);
SET_HTC_PACKET_INFO_TX(
&pkt->htc_pkt,
htt_h2t_send_complete_free_netbuf,
adf_nbuf_data(msg),
adf_nbuf_len(msg),
pdev->htc_endpoint,
1); /* tag - not relevant here */
SET_HTC_PACKET_NET_BUF_CONTEXT(&pkt->htc_pkt, msg);
#ifdef ATH_11AC_TXCOMPACT
if (HTCSendPkt(pdev->htc_pdev, &pkt->htc_pkt) == A_OK) {
htt_htc_misc_pkt_list_add(pdev, pkt);
}
#else
HTCSendPkt(pdev->htc_pdev, &pkt->htc_pkt);
#endif
if (!pdev->cfg.default_tx_comp_req) {
ol_tx_target_credit_update(pdev->txrx_pdev, -1);
}
return A_OK;
}
A_STATUS HTCSendPkt(HTC_HANDLE hHTC,
adf_nbuf_t hdr_buf,
adf_nbuf_t buf,
HTC_ENDPOINT_ID Ep)
{
HTC_TARGET *target = GET_HTC_TARGET_FROM_HANDLE(hHTC);
A_STATUS status = A_OK;
HTC_ENDPOINT *pEndpoint;
#ifndef ATH_HTC_TX_SCHED
do {
if (Ep >= ENDPOINT_MAX) {
adf_os_print("Ep %u is invalid!\n", Ep);
if (hdr_buf) {
adf_nbuf_free(hdr_buf);
}
if (buf) {
adf_nbuf_free(buf);
}
status = A_EPROTO;
break;
}
pEndpoint = &target->EndPoint[Ep];
#if 0
LOCK_HTC_TX(target);
/* record number of buffers in corresponding endpoint */
if ((pAggrNumRec = HTC_AGGRNUMREC_DEQUEUE(&target->FreeAggrNumRecQueue)) == NULL) {
adf_os_print("%s no more free aggr record\n", __FUNCTION__);
status = A_NO_RESOURCE;
UNLOCK_HTC_TX(target);
break;
}
pAggrNumRec->AggrNum = num;
pAggrNumRec->bufArray = bufArray;
/* buffers were supplied to be queued */
HTC_AGGRNUMREC_ENQUEUE(&pEndpoint->AggrNumRecQueue, pAggrNumRec);
UNLOCK_HTC_TX(target);
#endif
status = HTCTrySend(target, pEndpoint, hdr_buf, buf);
// adf_os_print("return value of HTCTrySend: %u\n", status);
} while(FALSE);
#else
a_uint16_t payloadLen;
a_uint8_t SendFlags = 0;
pEndpoint = &target->EndPoint[Ep];
if ( HIFGetFreeQueueNumber(target->hif_dev, pEndpoint->UL_PipeID) == 0 )
return -1 ;
if(hdr_buf != NULL)
payloadLen = (a_uint16_t) (adf_nbuf_len(hdr_buf) + adf_nbuf_len(buf));
else
payloadLen = (a_uint16_t) adf_nbuf_len(buf) ;
#ifdef HTC_HOST_CREDIT_DIST
/* check if credits are enough for sending this packet */
#ifdef WMI_RETRY
if((Ep != 1 ) && (Ep != 2))
#endif
{
status = HTCCheckCredits(target, HTC_HDR_LENGTH + payloadLen, pEndpoint, &SendFlags);
if (A_FAILED(status)) {
//adf_os_print("credits are not enough for sending the message!\n");
return status;
}
}
#endif
status = HTCIssueSend(target, hdr_buf, buf, SendFlags, payloadLen, Ep);
if (A_FAILED(status)) {
HTCReclaimCredits(target, HTC_HDR_LENGTH + payloadLen, pEndpoint);
return -1 ;
}
#endif
return status;
}
int htt_h2t_ipa_uc_rsc_cfg_msg(struct htt_pdev_t *pdev)
{
struct htt_htc_pkt *pkt;
adf_nbuf_t msg;
u_int32_t *msg_word;
pkt = htt_htc_pkt_alloc(pdev);
if (!pkt) {
return A_NO_MEMORY;
}
/* show that this is not a tx frame download (not required, but helpful) */
pkt->msdu_id = HTT_TX_COMPL_INV_MSDU_ID;
pkt->pdev_ctxt = NULL; /* not used during send-done callback */
msg = adf_nbuf_alloc(
pdev->osdev,
HTT_MSG_BUF_SIZE(HTT_WDI_IPA_CFG_SZ),
/* reserve room for HTC header */
HTC_HEADER_LEN + HTC_HDR_ALIGNMENT_PADDING, 4, FALSE);
if (!msg) {
htt_htc_pkt_free(pdev, pkt);
return A_NO_MEMORY;
}
/* set the length of the message */
adf_nbuf_put_tail(msg, HTT_WDI_IPA_CFG_SZ);
/* fill in the message contents */
msg_word = (u_int32_t *) adf_nbuf_data(msg);
/* rewind beyond alignment pad to get to the HTC header reserved area */
adf_nbuf_push_head(msg, HTC_HDR_ALIGNMENT_PADDING);
*msg_word = 0;
HTT_WDI_IPA_CFG_TX_PKT_POOL_SIZE_SET(*msg_word,
pdev->ipa_uc_tx_rsc.alloc_tx_buf_cnt);
HTT_H2T_MSG_TYPE_SET(*msg_word, HTT_H2T_MSG_TYPE_WDI_IPA_CFG);
msg_word++;
*msg_word = 0;
HTT_WDI_IPA_CFG_TX_COMP_RING_BASE_ADDR_SET(*msg_word,
(unsigned int)pdev->ipa_uc_tx_rsc.tx_comp_base.paddr);
msg_word++;
*msg_word = 0;
HTT_WDI_IPA_CFG_TX_COMP_RING_SIZE_SET(*msg_word,
(unsigned int)ol_cfg_ipa_uc_tx_max_buf_cnt(pdev->ctrl_pdev));
msg_word++;
*msg_word = 0;
HTT_WDI_IPA_CFG_TX_COMP_WR_IDX_ADDR_SET(*msg_word,
(unsigned int)pdev->ipa_uc_tx_rsc.tx_comp_idx_paddr);
msg_word++;
*msg_word = 0;
HTT_WDI_IPA_CFG_TX_CE_WR_IDX_ADDR_SET(*msg_word,
(unsigned int)pdev->ipa_uc_tx_rsc.tx_ce_idx.paddr);
msg_word++;
*msg_word = 0;
HTT_WDI_IPA_CFG_RX_IND_RING_BASE_ADDR_SET(*msg_word,
(unsigned int)pdev->ipa_uc_rx_rsc.rx_ind_ring_base.paddr);
msg_word++;
*msg_word = 0;
HTT_WDI_IPA_CFG_RX_IND_RING_SIZE_SET(*msg_word,
(unsigned int)ol_cfg_ipa_uc_rx_ind_ring_size(pdev->ctrl_pdev));
msg_word++;
*msg_word = 0;
HTT_WDI_IPA_CFG_RX_IND_RD_IDX_ADDR_SET(*msg_word,
(unsigned int)pdev->ipa_uc_rx_rsc.rx_ipa_prc_done_idx.paddr);
msg_word++;
*msg_word = 0;
HTT_WDI_IPA_CFG_RX_IND_WR_IDX_ADDR_SET(*msg_word,
(unsigned int)pdev->ipa_uc_rx_rsc.rx_rdy_idx_paddr);
SET_HTC_PACKET_INFO_TX(
&pkt->htc_pkt,
htt_h2t_send_complete_free_netbuf,
adf_nbuf_data(msg),
adf_nbuf_len(msg),
pdev->htc_endpoint,
HTC_TX_PACKET_TAG_RUNTIME_PUT);
SET_HTC_PACKET_NET_BUF_CONTEXT(&pkt->htc_pkt, msg);
#ifdef ATH_11AC_TXCOMPACT
if (HTCSendPkt(pdev->htc_pdev, &pkt->htc_pkt) == A_OK)
htt_htc_misc_pkt_list_add(pdev, pkt);
#else
HTCSendPkt(pdev->htc_pdev, &pkt->htc_pkt);
#endif
return A_OK;
}
/*
* Temporarily added to support older WMI events. We should move all events to unified
* when the target is ready to support it.
*/
void wmi_control_rx(void *ctx, HTC_PACKET *htc_packet)
{
struct wmi_unified *wmi_handle = (struct wmi_unified *)ctx;
wmi_buf_t evt_buf;
u_int32_t len;
void *wmi_cmd_struct_ptr = NULL;
u_int32_t idx = 0;
int tlv_ok_status = 0;
#if defined(WMI_INTERFACE_EVENT_LOGGING) || !defined(QCA_CONFIG_SMP)
u_int32_t id;
u_int8_t *data;
#endif
evt_buf = (wmi_buf_t) htc_packet->pPktContext;
id = WMI_GET_FIELD(adf_nbuf_data(evt_buf), WMI_CMD_HDR, COMMANDID);
/* TX_PAUSE EVENT should be handled with tasklet context */
if ((WMI_TX_PAUSE_EVENTID == id) ||
(WMI_WOW_WAKEUP_HOST_EVENTID == id)) {
if (adf_nbuf_pull_head(evt_buf, sizeof(WMI_CMD_HDR)) == NULL)
return;
data = adf_nbuf_data(evt_buf);
len = adf_nbuf_len(evt_buf);
tlv_ok_status = wmitlv_check_and_pad_event_tlvs(
wmi_handle->scn_handle,
data, len, id,
&wmi_cmd_struct_ptr);
if (tlv_ok_status != 0) {
if (tlv_ok_status == 1) {
wmi_cmd_struct_ptr = data;
} else {
return;
}
}
idx = wmi_unified_get_event_handler_ix(wmi_handle, id);
if (idx == -1) {
wmitlv_free_allocated_event_tlvs(id,
&wmi_cmd_struct_ptr);
adf_nbuf_free(evt_buf);
return;
}
wmi_handle->event_handler[idx](wmi_handle->scn_handle,
wmi_cmd_struct_ptr, len);
wmitlv_free_allocated_event_tlvs(id, &wmi_cmd_struct_ptr);
adf_nbuf_free(evt_buf);
return;
}
#ifdef WMI_INTERFACE_EVENT_LOGGING
id = WMI_GET_FIELD(adf_nbuf_data(evt_buf), WMI_CMD_HDR, COMMANDID);
data = adf_nbuf_data(evt_buf);
adf_os_spin_lock_bh(&wmi_handle->wmi_record_lock);
/* Exclude 4 bytes of TLV header */
WMI_RX_EVENT_RECORD(id, ((u_int8_t *)data + 4));
adf_os_spin_unlock_bh(&wmi_handle->wmi_record_lock);
#endif
adf_os_spin_lock_bh(&wmi_handle->eventq_lock);
adf_nbuf_queue_add(&wmi_handle->event_queue, evt_buf);
adf_os_spin_unlock_bh(&wmi_handle->eventq_lock);
schedule_work(&wmi_handle->rx_event_work);
}
A_STATUS HTCRxCompletionHandler(
void *Context, adf_nbuf_t netbuf, a_uint8_t pipeID)
{
A_STATUS status = A_OK;
HTC_FRAME_HDR *HtcHdr;
HTC_TARGET *target = (HTC_TARGET *)Context;
a_uint8_t *netdata;
a_uint32_t netlen;
HTC_ENDPOINT *pEndpoint;
HTC_PACKET *pPacket;
A_UINT16 payloadLen;
a_uint32_t trailerlen = 0;
A_UINT8 htc_ep_id;
#ifdef RX_SG_SUPPORT
LOCK_HTC_RX(target);
if (target->IsRxSgInprogress) {
target->CurRxSgTotalLen += adf_nbuf_len(netbuf);
adf_nbuf_queue_add(&target->RxSgQueue, netbuf);
if (target->CurRxSgTotalLen == target->ExpRxSgTotalLen) {
netbuf = RxSgToSingleNetbuf(target);
if (netbuf == NULL) {
UNLOCK_HTC_RX(target);
goto _out;
}
}
else {
netbuf = NULL;
UNLOCK_HTC_RX(target);
goto _out;
}
}
UNLOCK_HTC_RX(target);
#endif
netdata = adf_nbuf_data(netbuf);
netlen = adf_nbuf_len(netbuf);
HtcHdr = (HTC_FRAME_HDR *)netdata;
do {
htc_ep_id = HTC_GET_FIELD(HtcHdr, HTC_FRAME_HDR, ENDPOINTID);
pEndpoint = &target->EndPoint[htc_ep_id];
if (htc_ep_id >= ENDPOINT_MAX) {
AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("HTC Rx: invalid EndpointID=%d\n",htc_ep_id));
DebugDumpBytes((A_UINT8 *)HtcHdr,sizeof(HTC_FRAME_HDR),"BAD HTC Header");
status = A_ERROR;
break;
}
/*
* If this endpoint that received a message from the target has
* a to-target HIF pipe whose send completions are polled rather
* than interrupt-driven, this is a good point to ask HIF to check
* whether it has any completed sends to handle.
*/
if (pEndpoint->ul_is_polled) {
HTCSendCompleteCheck(pEndpoint, 1);
}
payloadLen = HTC_GET_FIELD(HtcHdr, HTC_FRAME_HDR, PAYLOADLEN);
if (netlen < (payloadLen + HTC_HDR_LENGTH)) {
#ifdef RX_SG_SUPPORT
LOCK_HTC_RX(target);
target->IsRxSgInprogress = TRUE;
adf_nbuf_queue_init(&target->RxSgQueue);
adf_nbuf_queue_add(&target->RxSgQueue, netbuf);
target->ExpRxSgTotalLen = (payloadLen + HTC_HDR_LENGTH);
target->CurRxSgTotalLen += netlen;
UNLOCK_HTC_RX(target);
netbuf = NULL;
break;
#else
AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("HTC Rx: insufficient length, got:%d expected =%d\n",
netlen, payloadLen + HTC_HDR_LENGTH));
DebugDumpBytes((A_UINT8 *)HtcHdr,sizeof(HTC_FRAME_HDR),"BAD RX packet length");
status = A_ERROR;
break;
#endif
}
#ifdef HTC_EP_STAT_PROFILING
LOCK_HTC_RX(target);
INC_HTC_EP_STAT(pEndpoint,RxReceived,1);
UNLOCK_HTC_RX(target);
#endif
//if (IS_TX_CREDIT_FLOW_ENABLED(pEndpoint)) {
{
A_UINT8 temp;
/* get flags to check for trailer */
temp = HTC_GET_FIELD(HtcHdr, HTC_FRAME_HDR, FLAGS);
if (temp & HTC_FLAGS_RECV_TRAILER) {
/* extract the trailer length */
temp = HTC_GET_FIELD(HtcHdr, HTC_FRAME_HDR, CONTROLBYTES0);
if ((temp < sizeof(HTC_RECORD_HDR)) || (temp > payloadLen)) {
AR_DEBUG_PRINTF(ATH_DEBUG_ERR,
("HTCProcessRecvHeader, invalid header (payloadlength should be :%d, CB[0] is:%d) \n",
payloadLen, temp));
status = A_EPROTO;
break;
}
trailerlen = temp;
/* process trailer data that follows HDR + application payload */
status = HTCProcessTrailer(target,
((A_UINT8 *)HtcHdr + HTC_HDR_LENGTH + payloadLen - temp),
temp, htc_ep_id);
if (A_FAILED(status)) {
break;
}
}
}
if (((int)payloadLen - (int)trailerlen) <= 0) {
/* zero length packet with trailer data, just drop these */
break;
}
if (htc_ep_id == ENDPOINT_0) {
A_UINT16 message_id;
HTC_UNKNOWN_MSG *htc_msg;
/* remove HTC header */
adf_nbuf_pull_head(netbuf, HTC_HDR_LENGTH);
netdata = adf_nbuf_data(netbuf);
netlen = adf_nbuf_len(netbuf);
htc_msg = (HTC_UNKNOWN_MSG*)netdata;
message_id = HTC_GET_FIELD(htc_msg, HTC_UNKNOWN_MSG, MESSAGEID);
switch (message_id) {
default:
/* handle HTC control message */
if (target->CtrlResponseProcessing) {
/* this is a fatal error, target should not be sending unsolicited messages
* on the endpoint 0 */
AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("HTC Rx Ctrl still processing\n"));
status = A_ERROR;
break;
}
LOCK_HTC_RX(target);
target->CtrlResponseLength = min((int)netlen,HTC_MAX_CONTROL_MESSAGE_LENGTH);
A_MEMCPY(target->CtrlResponseBuffer,netdata,target->CtrlResponseLength);
UNLOCK_HTC_RX(target);
adf_os_mutex_release(target->osdev, &target->CtrlResponseValid);
break;
case HTC_MSG_SEND_SUSPEND_COMPLETE:
target->HTCInitInfo.TargetSendSuspendComplete(target->HTCInitInfo.pContext);
break;
}
adf_nbuf_free(netbuf);
netbuf = NULL;
break;
}
/* the current message based HIF architecture allocates net bufs for recv packets
* since this layer bridges that HIF to upper layers , which expects HTC packets,
* we form the packets here
* TODO_FIXME */
pPacket = AllocateHTCPacketContainer(target);
if (NULL == pPacket) {
status = A_NO_RESOURCE;
break;
}
pPacket->Status = A_OK;
pPacket->Endpoint = htc_ep_id;
pPacket->pPktContext = netbuf;
pPacket->pBuffer = adf_nbuf_data(netbuf) + HTC_HDR_LENGTH;
pPacket->ActualLength = netlen - HTC_HEADER_LEN - trailerlen;
/* TODO : this is a hack because the driver layer will set the actual length
* of the skb again which will just double the length */
//A_NETBUF_TRIM(netbuf,netlen);
adf_nbuf_trim_tail(netbuf, netlen);
RecvPacketCompletion(target,pEndpoint,pPacket);
/* recover the packet container */
FreeHTCPacketContainer(target,pPacket);
netbuf = NULL;
} while(FALSE);
#ifdef RX_SG_SUPPORT
_out:
#endif
if (netbuf != NULL) {
adf_nbuf_free(netbuf);
}
return status;
}
A_STATUS
htt_h2t_rx_ring_cfg_msg_ll(struct htt_pdev_t *pdev)
{
struct htt_htc_pkt *pkt;
adf_nbuf_t msg;
u_int32_t *msg_word;
int enable_ctrl_data, enable_mgmt_data,
enable_null_data, enable_phy_data, enable_hdr,
enable_ppdu_start, enable_ppdu_end;
pkt = htt_htc_pkt_alloc(pdev);
if (!pkt) {
return A_ERROR; /* failure */
}
/* show that this is not a tx frame download (not required, but helpful) */
pkt->msdu_id = HTT_TX_COMPL_INV_MSDU_ID;
pkt->pdev_ctxt = NULL; /* not used during send-done callback */
msg = adf_nbuf_alloc(
pdev->osdev,
HTT_MSG_BUF_SIZE(HTT_RX_RING_CFG_BYTES(1)),
/* reserve room for the HTC header */
HTC_HEADER_LEN + HTC_HDR_ALIGNMENT_PADDING, 4, TRUE);
if (!msg) {
htt_htc_pkt_free(pdev, pkt);
return A_ERROR; /* failure */
}
/*
* Set the length of the message.
* The contribution from the HTC_HDR_ALIGNMENT_PADDING is added
* separately during the below call to adf_nbuf_push_head.
* The contribution from the HTC header is added separately inside HTC.
*/
adf_nbuf_put_tail(msg, HTT_RX_RING_CFG_BYTES(1));
/* fill in the message contents */
msg_word = (u_int32_t *) adf_nbuf_data(msg);
/* rewind beyond alignment pad to get to the HTC header reserved area */
adf_nbuf_push_head(msg, HTC_HDR_ALIGNMENT_PADDING);
*msg_word = 0;
HTT_H2T_MSG_TYPE_SET(*msg_word, HTT_H2T_MSG_TYPE_RX_RING_CFG);
HTT_RX_RING_CFG_NUM_RINGS_SET(*msg_word, 1);
msg_word++;
*msg_word = 0;
HTT_RX_RING_CFG_IDX_SHADOW_REG_PADDR_SET(
*msg_word, pdev->rx_ring.alloc_idx.paddr);
msg_word++;
*msg_word = 0;
HTT_RX_RING_CFG_BASE_PADDR_SET(*msg_word, pdev->rx_ring.base_paddr);
msg_word++;
*msg_word = 0;
HTT_RX_RING_CFG_LEN_SET(*msg_word, pdev->rx_ring.size);
HTT_RX_RING_CFG_BUF_SZ_SET(*msg_word, HTT_RX_BUF_SIZE);
/* FIX THIS: if the FW creates a complete translated rx descriptor, then the MAC DMA of the HW rx descriptor should be disabled. */
msg_word++;
*msg_word = 0;
#ifndef REMOVE_PKT_LOG
if (ol_cfg_is_packet_log_enabled(pdev->ctrl_pdev))
{
enable_ctrl_data = 1;
enable_mgmt_data = 1;
enable_null_data = 1;
enable_phy_data = 1;
enable_hdr = 1;
enable_ppdu_start= 1;
enable_ppdu_end = 1;
/* Disable ASPM when pkt log is enabled */
adf_os_print("Pkt log is enabled\n");
htt_htc_disable_aspm();
}
else
{
adf_os_print("Pkt log is disabled\n");
enable_ctrl_data = 0;
enable_mgmt_data = 0;
enable_null_data = 0;
enable_phy_data = 0;
enable_hdr = 0;
enable_ppdu_start= 0;
enable_ppdu_end = 0;
}
#else
enable_ctrl_data = 0;
enable_mgmt_data = 0;
enable_null_data = 0;
enable_phy_data = 0;
enable_hdr = 0;
enable_ppdu_start= 0;
enable_ppdu_end = 0;
#endif
HTT_RX_RING_CFG_ENABLED_802_11_HDR_SET(*msg_word, enable_hdr);
HTT_RX_RING_CFG_ENABLED_MSDU_PAYLD_SET(*msg_word, 1);
HTT_RX_RING_CFG_ENABLED_PPDU_START_SET(*msg_word, enable_ppdu_start);
HTT_RX_RING_CFG_ENABLED_PPDU_END_SET(*msg_word, enable_ppdu_end);
HTT_RX_RING_CFG_ENABLED_MPDU_START_SET(*msg_word, 1);
HTT_RX_RING_CFG_ENABLED_MPDU_END_SET(*msg_word, 1);
HTT_RX_RING_CFG_ENABLED_MSDU_START_SET(*msg_word, 1);
HTT_RX_RING_CFG_ENABLED_MSDU_END_SET(*msg_word, 1);
HTT_RX_RING_CFG_ENABLED_RX_ATTN_SET(*msg_word, 1);
HTT_RX_RING_CFG_ENABLED_FRAG_INFO_SET(*msg_word, 1); /* always present? */
HTT_RX_RING_CFG_ENABLED_UCAST_SET(*msg_word, 1);
HTT_RX_RING_CFG_ENABLED_MCAST_SET(*msg_word, 1);
/* Must change to dynamic enable at run time
* rather than at compile time
*/
HTT_RX_RING_CFG_ENABLED_CTRL_SET(*msg_word, enable_ctrl_data);
HTT_RX_RING_CFG_ENABLED_MGMT_SET(*msg_word, enable_mgmt_data);
HTT_RX_RING_CFG_ENABLED_NULL_SET(*msg_word, enable_null_data);
HTT_RX_RING_CFG_ENABLED_PHY_SET(*msg_word, enable_phy_data);
HTT_RX_RING_CFG_IDX_INIT_VAL_SET(*msg_word,
*pdev->rx_ring.alloc_idx.vaddr);
msg_word++;
*msg_word = 0;
HTT_RX_RING_CFG_OFFSET_802_11_HDR_SET(*msg_word,
RX_STD_DESC_HDR_STATUS_OFFSET_DWORD);
HTT_RX_RING_CFG_OFFSET_MSDU_PAYLD_SET(*msg_word,
HTT_RX_STD_DESC_RESERVATION_DWORD);
msg_word++;
*msg_word = 0;
HTT_RX_RING_CFG_OFFSET_PPDU_START_SET(*msg_word,
RX_STD_DESC_PPDU_START_OFFSET_DWORD);
HTT_RX_RING_CFG_OFFSET_PPDU_END_SET(*msg_word,
RX_STD_DESC_PPDU_END_OFFSET_DWORD);
msg_word++;
*msg_word = 0;
HTT_RX_RING_CFG_OFFSET_MPDU_START_SET(*msg_word,
RX_STD_DESC_MPDU_START_OFFSET_DWORD);
HTT_RX_RING_CFG_OFFSET_MPDU_END_SET(*msg_word,
RX_STD_DESC_MPDU_END_OFFSET_DWORD);
msg_word++;
*msg_word = 0;
HTT_RX_RING_CFG_OFFSET_MSDU_START_SET(*msg_word,
RX_STD_DESC_MSDU_START_OFFSET_DWORD);
HTT_RX_RING_CFG_OFFSET_MSDU_END_SET(*msg_word,
RX_STD_DESC_MSDU_END_OFFSET_DWORD);
msg_word++;
*msg_word = 0;
HTT_RX_RING_CFG_OFFSET_RX_ATTN_SET(*msg_word,
RX_STD_DESC_ATTN_OFFSET_DWORD);
HTT_RX_RING_CFG_OFFSET_FRAG_INFO_SET(*msg_word,
RX_STD_DESC_FRAG_INFO_OFFSET_DWORD);
SET_HTC_PACKET_INFO_TX(
&pkt->htc_pkt,
htt_h2t_send_complete_free_netbuf,
adf_nbuf_data(msg),
adf_nbuf_len(msg),
pdev->htc_endpoint,
HTC_TX_PACKET_TAG_RUNTIME_PUT);
SET_HTC_PACKET_NET_BUF_CONTEXT(&pkt->htc_pkt, msg);
#ifdef ATH_11AC_TXCOMPACT
if (HTCSendPkt(pdev->htc_pdev, &pkt->htc_pkt) == A_OK)
htt_htc_misc_pkt_list_add(pdev, pkt);
#else
HTCSendPkt(pdev->htc_pdev, &pkt->htc_pkt);
#endif
return A_OK;
}
int
htt_h2t_dbg_stats_get(
struct htt_pdev_t *pdev,
u_int32_t stats_type_upload_mask,
u_int32_t stats_type_reset_mask,
u_int8_t cfg_stat_type,
u_int32_t cfg_val,
u_int64_t cookie)
{
struct htt_htc_pkt *pkt;
adf_nbuf_t msg;
u_int32_t *msg_word;
uint16_t htc_tag = 1;
pkt = htt_htc_pkt_alloc(pdev);
if (!pkt) {
return -1; /* failure */
}
if (stats_type_upload_mask >= 1 << HTT_DBG_NUM_STATS ||
stats_type_reset_mask >= 1 << HTT_DBG_NUM_STATS)
{
/* FIX THIS - add more details? */
adf_os_print("%#x %#x stats not supported\n",
stats_type_upload_mask, stats_type_reset_mask);
return -1; /* failure */
}
if (stats_type_reset_mask)
htc_tag = HTC_TX_PACKET_TAG_RUNTIME_PUT;
/* show that this is not a tx frame download (not required, but helpful) */
pkt->msdu_id = HTT_TX_COMPL_INV_MSDU_ID;
pkt->pdev_ctxt = NULL; /* not used during send-done callback */
msg = adf_nbuf_alloc(
pdev->osdev,
HTT_MSG_BUF_SIZE(HTT_H2T_STATS_REQ_MSG_SZ),
/* reserve room for HTC header */
HTC_HEADER_LEN + HTC_HDR_ALIGNMENT_PADDING, 4, FALSE);
if (!msg) {
htt_htc_pkt_free(pdev, pkt);
return -1; /* failure */
}
/* set the length of the message */
adf_nbuf_put_tail(msg, HTT_H2T_STATS_REQ_MSG_SZ);
/* fill in the message contents */
msg_word = (u_int32_t *) adf_nbuf_data(msg);
/* rewind beyond alignment pad to get to the HTC header reserved area */
adf_nbuf_push_head(msg, HTC_HDR_ALIGNMENT_PADDING);
*msg_word = 0;
HTT_H2T_MSG_TYPE_SET(*msg_word, HTT_H2T_MSG_TYPE_STATS_REQ);
HTT_H2T_STATS_REQ_UPLOAD_TYPES_SET(*msg_word, stats_type_upload_mask);
msg_word++;
*msg_word = 0;
HTT_H2T_STATS_REQ_RESET_TYPES_SET(*msg_word, stats_type_reset_mask);
msg_word++;
*msg_word = 0;
HTT_H2T_STATS_REQ_CFG_VAL_SET(*msg_word, cfg_val);
HTT_H2T_STATS_REQ_CFG_STAT_TYPE_SET(*msg_word, cfg_stat_type);
/* cookie LSBs */
msg_word++;
*msg_word = cookie & 0xffffffff;
/* cookie MSBs */
msg_word++;
*msg_word = cookie >> 32;
SET_HTC_PACKET_INFO_TX(
&pkt->htc_pkt,
htt_h2t_send_complete_free_netbuf,
adf_nbuf_data(msg),
adf_nbuf_len(msg),
pdev->htc_endpoint,
htc_tag);
SET_HTC_PACKET_NET_BUF_CONTEXT(&pkt->htc_pkt, msg);
#ifdef ATH_11AC_TXCOMPACT
if (HTCSendPkt(pdev->htc_pdev, &pkt->htc_pkt) == A_OK) {
htt_htc_misc_pkt_list_add(pdev, pkt);
}
#else
HTCSendPkt(pdev->htc_pdev, &pkt->htc_pkt);
#endif
if ((pdev->cfg.is_high_latency) &&
(!pdev->cfg.default_tx_comp_req)) {
ol_tx_target_credit_update(pdev->txrx_pdev, -1);
}
return 0;
}
LOCAL void _HTC_SendMsg(htc_handle_t htcHandle, HTC_ENDPOINT_ID EndpointID,
adf_nbuf_t pBuffers)
{
HTC_FRAME_HDR *pHTCHdr;
int totsz;
HTC_CONTEXT *pHTC = (HTC_CONTEXT *)htcHandle;
HTC_BUF_CONTEXT *ctx;
ctx = (HTC_BUF_CONTEXT *)adf_nbuf_get_priv(pBuffers);
/* init total size (this does not include the space we will put in for the HTC header) */
totsz = adf_nbuf_len(pBuffers);
/* the first buffer stores the header */
/* back up buffer by a header size when we pass it down, by agreed upon convention the caller
* points the buffer to it's payload and leaves head room for the HTC header
* Note: in HTCSendDoneHandler(), we undo this so that the caller get's it's buffer
* back untainted */
pHTCHdr = (HTC_FRAME_HDR *)adf_nbuf_push_head(pBuffers, HTC_HDR_LENGTH);
/* flag that this is the header buffer that was modified */
ctx->htc_flags |= HTC_FLAGS_BUF_HDR;
/* mark where this buffer came from */
ctx->end_point = EndpointID;
/* the header start is ALWAYS aligned since we DMA it directly */
/* set some fields, the rest of them will be filled below when we check for
* trailer space */
pHTCHdr->Flags = 0;
pHTCHdr->EndpointID = EndpointID;
/* check opportunistically if we can return any reports via a trailer */
do {
int room,i,totalReportBytes;
A_UINT32 creditsPendingMap, compareMask;
HTC_CREDIT_REPORT *pCreditRpt;
HTC_RECORD_HDR *pRecHdr;
int pipeMaxLen;
A_UINT32 roomForPipeMaxLen;
/* figure out how much room the last buffer can spare */
pipeMaxLen = HIF_get_max_msg_len(pHTC->hifHandle,
pHTC->Endpoints[EndpointID].DownLinkPipeID);
roomForPipeMaxLen = pipeMaxLen - adf_nbuf_headroom(pBuffers) - adf_nbuf_len(pBuffers);
if ( roomForPipeMaxLen < 0 ) {
roomForPipeMaxLen = 0;
}
room = adf_os_min( adf_nbuf_tailroom(pBuffers), roomForPipeMaxLen);
if (room < (int)(sizeof(HTC_CREDIT_REPORT) + sizeof(HTC_RECORD_HDR))) {
/* no room for any reports */
break;
}
/* note, a record header only has 8 bit fields, so this is safe.
* we need an uncached pointer here too */
totalReportBytes = 0;
/* get a copy */
creditsPendingMap = pHTC->EpCreditPendingMap;
/* test pending map to see if we can send a report , if any
* credits are available, we might as well send them on the
* unused space in the buffer */
if (creditsPendingMap) {
pRecHdr = (HTC_RECORD_HDR *)adf_nbuf_put_tail(pBuffers,
sizeof(HTC_RECORD_HDR));
/* set the ID, the length will be updated with the number of credit reports we
* can fit (see below) */
pRecHdr->RecordID = HTC_RECORD_CREDITS;
pRecHdr->Length = 0;
/* the credit report follows the record header */
totalReportBytes += sizeof(HTC_RECORD_HDR);
room -= sizeof(HTC_RECORD_HDR);
/* walkthrough pending credits map and build the records */
for (i = 0;
(creditsPendingMap != 0) && (room >= (int)sizeof(HTC_CREDIT_REPORT));
i++) {
compareMask = (1 << i);
if (compareMask & creditsPendingMap) {
pCreditRpt = (HTC_CREDIT_REPORT *)adf_nbuf_put_tail(pBuffers,
sizeof(HTC_CREDIT_REPORT));
/* clear pending mask, we are going to return all these credits */
creditsPendingMap &= ~(compareMask);
/* add this record */
pCreditRpt->EndpointID = i;
pCreditRpt->Credits = (A_UINT8)pHTC->Endpoints[i].CreditsToReturn;
/* remove pending credits, we always send deltas */
pHTC->Endpoints[i].CreditsToReturn = 0;
/* adjust new threshold for this endpoint if needed */
CHECK_AND_ADJUST_CREDIT_THRESHOLD(&pHTC->Endpoints[i]);
/* update this record length */
pRecHdr->Length += sizeof(HTC_CREDIT_REPORT);
room -= sizeof(HTC_CREDIT_REPORT);
totalReportBytes += sizeof(HTC_CREDIT_REPORT);
if ( room < sizeof(HTC_CREDIT_REPORT) ) {
break;
}
}
}
/* update new pending credits map */
pHTC->EpCreditPendingMap = creditsPendingMap;
}
if (totalReportBytes <= 0) {
break;
}
/* must fit into a byte, this should never actually happen since
* the maximum possible number of endpoints is 32.
* The trailer can have at most 1 credit record with up to 32 reports in the record.
* The trailer can have at most 1 lookahead record with only 1 lookahead report in the record.
*/
/* set header option bytes */
pHTCHdr->ControlBytes[0] = totalReportBytes;
/* HTC frame contains a trailer */
pHTCHdr->Flags |= HTC_FLAGS_RECV_TRAILER;
/* increment total size by the reports we added */
totsz += totalReportBytes;
/* adjust the last buffer we used for adding on the trailer */
} while (FALSE);
if (totsz == 0) {
}
/* set length for message (this includes any reports that were added above) */
pHTCHdr->PayloadLen = adf_os_htons(totsz);
HIF_send_buffer(pHTC->hifHandle, pHTC->Endpoints[EndpointID].DownLinkPipeID, pBuffers);
}
A_STATUS
htt_h2t_ver_req_msg(struct htt_pdev_t *pdev)
{
struct htt_htc_pkt *pkt;
adf_nbuf_t msg;
u_int32_t *msg_word;
u_int32_t msg_size;
u_int32_t max_tx_group;
pkt = htt_htc_pkt_alloc(pdev);
if (!pkt) {
return A_ERROR; /* failure */
}
max_tx_group = OL_TX_GET_MAX_GROUPS(pdev->txrx_pdev);
if (max_tx_group) {
msg_size = HTT_VER_REQ_BYTES +
sizeof(struct htt_option_tlv_mac_tx_queue_groups_t);
} else {
msg_size = HTT_VER_REQ_BYTES;
}
/* show that this is not a tx frame download (not required, but helpful) */
pkt->msdu_id = HTT_TX_COMPL_INV_MSDU_ID;
pkt->pdev_ctxt = NULL; /* not used during send-done callback */
msg = adf_nbuf_alloc(
pdev->osdev,
HTT_MSG_BUF_SIZE(msg_size),
/* reserve room for the HTC header */
HTC_HEADER_LEN + HTC_HDR_ALIGNMENT_PADDING, 4, TRUE);
if (!msg) {
htt_htc_pkt_free(pdev, pkt);
return A_ERROR; /* failure */
}
/*
* Set the length of the message.
* The contribution from the HTC_HDR_ALIGNMENT_PADDING is added
* separately during the below call to adf_nbuf_push_head.
* The contribution from the HTC header is added separately inside HTC.
*/
adf_nbuf_put_tail(msg, msg_size);
/* fill in the message contents */
msg_word = (u_int32_t *) adf_nbuf_data(msg);
/* rewind beyond alignment pad to get to the HTC header reserved area */
adf_nbuf_push_head(msg, HTC_HDR_ALIGNMENT_PADDING);
*msg_word = 0;
HTT_H2T_MSG_TYPE_SET(*msg_word, HTT_H2T_MSG_TYPE_VERSION_REQ);
if (max_tx_group) {
*(msg_word + 1) = 0;
/* Fill Group Info */
HTT_OPTION_TLV_TAG_SET(*(msg_word+1),
HTT_OPTION_TLV_TAG_MAX_TX_QUEUE_GROUPS);
HTT_OPTION_TLV_LENGTH_SET(*(msg_word+1),
(sizeof(struct htt_option_tlv_mac_tx_queue_groups_t)/
sizeof(u_int32_t)));
HTT_OPTION_TLV_VALUE0_SET(*(msg_word+1), max_tx_group);
}
SET_HTC_PACKET_INFO_TX(
&pkt->htc_pkt,
htt_h2t_send_complete_free_netbuf,
adf_nbuf_data(msg),
adf_nbuf_len(msg),
pdev->htc_endpoint,
1); /* tag - not relevant here */
SET_HTC_PACKET_NET_BUF_CONTEXT(&pkt->htc_pkt, msg);
#ifdef ATH_11AC_TXCOMPACT
if (HTCSendPkt(pdev->htc_pdev, &pkt->htc_pkt) == A_OK) {
htt_htc_misc_pkt_list_add(pdev, pkt);
}
#else
HTCSendPkt(pdev->htc_pdev, &pkt->htc_pkt);
#endif
if ((pdev->cfg.is_high_latency) &&
(!pdev->cfg.default_tx_comp_req)) {
ol_tx_target_credit_update(pdev->txrx_pdev, -1);
}
return A_OK;
}