drivers/staging/winbond/mlmetxrx.c

   1 /* ============================================================================
   2   Module Name:
   3     MLMETxRx.C
   4
   5   Description:
   6     The interface between MDS (MAC Data Service) and MLME.
   7
   8   Revision History:
   9   --------------------------------------------------------------------------
  10                 200209      UN20 Jennifer Xu
  11                 Initial Release
  12                 20021108    PD43 Austin Liu
  13                 20030117    PD43 Austin Liu
  14                 Deleted MLMEReturnPacket and MLMEProcThread()
  15
  16   Copyright (c) 1996-2002 Winbond Electronics Corp. All Rights Reserved.
  17 ============================================================================ */
  18 #include "sysdef.h"
  19
  20 #include "mds_f.h"
  21
  22 void MLME_GetNextPacket(struct wbsoft_priv *adapter, struct wb35_descriptor *desc)
  23 {
  24         desc->InternalUsed = desc->buffer_start_index + desc->buffer_number;
  25         desc->InternalUsed %= MAX_DESCRIPTOR_BUFFER_INDEX;
  26         desc->buffer_address[desc->InternalUsed] = adapter->sMlmeFrame.pMMPDU;
  27         desc->buffer_size[desc->InternalUsed] = adapter->sMlmeFrame.len;
  28         desc->buffer_total_size += adapter->sMlmeFrame.len;
  29         desc->buffer_number++;
  30         desc->Type = adapter->sMlmeFrame.DataType;
  31 }
  32
  33 static void MLMEfreeMMPDUBuffer(struct wbsoft_priv *adapter, s8 *pData)
  34 {
  35         int i;
  36
  37         /* Reclaim the data buffer */
  38         for (i = 0; i < MAX_NUM_TX_MMPDU; i++) {
  39                 if (pData == (s8 *)&(adapter->sMlmeFrame.TxMMPDU[i]))
  40                         break;
  41         }
  42         if (adapter->sMlmeFrame.TxMMPDUInUse[i])
  43                 adapter->sMlmeFrame.TxMMPDUInUse[i] = false;
  44         else  {
  45                 /* Something wrong
  46                  PD43 Add debug code here??? */
  47         }
  48 }
  49
  50 void
  51 MLME_SendComplete(struct wbsoft_priv *adapter, u8 PacketID, unsigned char SendOK)
  52 {
  53     /* Reclaim the data buffer */
  54         adapter->sMlmeFrame.len = 0;
  55         MLMEfreeMMPDUBuffer(adapter, adapter->sMlmeFrame.pMMPDU);
  56
  57         /* Return resource */
  58         adapter->sMlmeFrame.IsInUsed = PACKET_FREE_TO_USE;
  59 }
  60
  61
  62