void epping_tx_timer_expire(epping_adapter_t *pAdapter)
{
adf_nbuf_t nodrop_skb;
EPPING_LOG(VOS_TRACE_LEVEL_INFO, "%s: queue len: %d\n", __func__,
adf_nbuf_queue_len(&pAdapter->nodrop_queue));
if (!adf_nbuf_queue_len(&pAdapter->nodrop_queue)) {
/* nodrop queue is empty so no need to arm timer */
pAdapter->epping_timer_state = EPPING_TX_TIMER_STOPPED;
return;
}
/* try to flush nodrop queue */
while ((nodrop_skb = adf_nbuf_queue_remove(&pAdapter->nodrop_queue))) {
HTCSetNodropPkt(pAdapter->pEpping_ctx->HTCHandle, TRUE);
if (epping_tx_send_int(nodrop_skb, pAdapter)) {
EPPING_LOG(VOS_TRACE_LEVEL_FATAL,
"%s: nodrop: %p xmit fail in timer\n", __func__, nodrop_skb);
/* fail to xmit so put the nodrop packet to the nodrop queue */
adf_nbuf_queue_insert_head(&pAdapter->nodrop_queue, nodrop_skb);
break;
} else {
HTCSetNodropPkt(pAdapter->pEpping_ctx->HTCHandle, FALSE);
EPPING_LOG(VOS_TRACE_LEVEL_INFO,
"%s: nodrop: %p xmit ok in timer\n", __func__, nodrop_skb);
}
}
/* if nodrop queue is not empty, continue to arm timer */
if (nodrop_skb) {
adf_os_spin_lock_bh(&pAdapter->data_lock);
/* if nodrop queue is not empty, continue to arm timer */
if (pAdapter->epping_timer_state != EPPING_TX_TIMER_RUNNING) {
pAdapter->epping_timer_state = EPPING_TX_TIMER_RUNNING;
adf_os_timer_mod(&pAdapter->epping_timer, TX_RETRY_TIMEOUT_IN_MS);
}
adf_os_spin_unlock_bh(&pAdapter->data_lock);
} else {
pAdapter->epping_timer_state = EPPING_TX_TIMER_STOPPED;
}
}
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;
}
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);
}
}
