Exemple #1
0
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);
}
Exemple #2
0
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;
}
Exemple #3
0
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 */
}
Exemple #4
0
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;
}
Exemple #6
0
/* 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);
    }
}
Exemple #7
0
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__);
   }
}
Exemple #9
0
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;
}
Exemple #10
0
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;
}
Exemple #11
0
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);
}
Exemple #16
0
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;
}
Exemple #17
0
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;
}
Exemple #18
0
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);
}
Exemple #20
0
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;

}
Exemple #21
0
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;
}
Exemple #22
0
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);       
}
Exemple #24
0
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;
}