PageRenderTime 35ms CodeModel.GetById 11ms RepoModel.GetById 1ms app.codeStats 0ms

/drivers/net/wireless/tiwlan1251/common/src/TNETW_Driver/Data_Srv/Tx_HW_Queue/txHwQueue.h

http://github.com/CyanogenMod/cm-kernel
C Header | 90 lines | 29 code | 18 blank | 43 comment | 0 complexity | a136f73a3d207ce88ebf6a7730cbaec4 MD5 | raw file
Possible License(s): AGPL-1.0, GPL-2.0, LGPL-2.0 
    

  1. /****************************************************************************
    2. 

  2. **+-----------------------------------------------------------------------+**
    3. 

  3. **|                                                                       |**
    4. 

  4. **| Copyright(c) 1998 - 2008 Texas Instruments. All rights reserved.      |**
    5. 

  5. **| All rights reserved.                                                  |**
    6. 

  6. **|                                                                       |**
    7. 

  7. **| Redistribution and use in source and binary forms, with or without    |**
    8. 

  8. **| modification, are permitted provided that the following conditions    |**
    9. 

  9. **| are met:                                                              |**
    10. 

  10. **|                                                                       |**
    11. 

  11. **|  * Redistributions of source code must retain the above copyright     |**
    12. 

  12. **|    notice, this list of conditions and the following disclaimer.      |**
    13. 

  13. **|  * Redistributions in binary form must reproduce the above copyright  |**
    14. 

  14. **|    notice, this list of conditions and the following disclaimer in    |**
    15. 

  15. **|    the documentation and/or other materials provided with the         |**
    16. 

  16. **|    distribution.                                                      |**
    17. 

  17. **|  * Neither the name Texas Instruments nor the names of its            |**
    18. 

  18. **|    contributors may be used to endorse or promote products derived    |**
    19. 

  19. **|    from this software without specific prior written permission.      |**
    20. 

  20. **|                                                                       |**
    21. 

  21. **| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS   |**
    22. 

  22. **| "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT     |**
    23. 

  23. **| LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |**
    24. 

  24. **| A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT  |**
    25. 

  25. **| OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |**
    26. 

  26. **| SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT      |**
    27. 

  27. **| LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |**
    28. 

  28. **| DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |**
    29. 

  29. **| THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT   |**
    30. 

  30. **| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |**
    31. 

  31. **| OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  |**
    32. 

  32. **|                                                                       |**
    33. 

  33. **+-----------------------------------------------------------------------+**
    34. 

  34. ****************************************************************************/
    35. 

  35. 

  36. /****************************************************************************
    37. 

  37.  *
    38. 

  38.  *   MODULE:  txHwQueue.h
    39. 

  39.  *
    40. 

  40.  *   PURPOSE: hardware Tx queues management object
    41. 

  41.  * 
    42. 

  42.  ****************************************************************************/
    43. 

  43. 

  44. #ifndef _TX_HW_QUEUE_H
    45. 

  45. #define _TX_HW_QUEUE_H
    46. 

  46. 

  47. 

  48. #include "whalParams.h"
    49. 

  49. #include "TNETW_Driver_types.h"
    50. 

  50. #include "txHwQueue_api.h"
    51. 

  51. 

  52. 

  53. #define MAX_BLKS_PER_PKT		16		/* Max number of Tx HW blocks that may be required for one packet. */
    54. 

  54. #define MAX_FRAG_THRESHOLD		4096
    55. 

  55. 

  56. 

  57. /* Per Queue HW blocks accounting data: */
    58. 

  58. typedef struct
    59. 

  59. {
    60. 

  60.     UINT8  	numBlocksHighThreshold;	/* The maximum HW blocks that can be allocated for this Queue. */
    61. 

  61.     UINT8   numBlocksLowThreshold;	/* The minimum HW blocks that must be reserved for this Queue. */
    62. 

  62.     UINT8   numBlocksUsed;			/* The number of HW blocks that are currently allocated for this Queue. */
    63. 

  63.     UINT8   numBlocksReserved;		/* The number of HW blocks currently reserved for this Queue (to guarentee the low threshold). */
    64. 

  64. 	UINT8	lowResourceThresh;		/* Above this blocks number we need to request tx-complete from FW. */
    65. 

  65. 	UINT8	numDescriptors;			/* The number of descriptors in the FW per this Queue. */
    66. 

  66. 	UINT8	numPackets;				/* The current number of packets in the FW per this Queue. */
    67. 

  67. }txHwQueueInfo_t; 
    68. 

  68. 

  69. typedef struct
    70. 

  70. {
    71. 

  71. 	TI_HANDLE  hOs;
    72. 

  72. 	TI_HANDLE  hReport;
    73. 

  73. 	WhalParams_T *pWhalParams;
    74. 

  74. 	
    75. 

  75. 	UINT32  NumBlocks;		/* The total number of Tx blocks		*/
    76. 

  76. 	UINT32  NumFree;		/* Total number of free HW blocks		*/    
    77. 

  77. 	UINT32  TotalBlocksReserved; /* Total number of free but reserved HW blocks */
    78. 

  78. 	
    79. 

  79. 	txHwQueueInfo_t  TxHwQueueInfo[MAX_NUM_OF_TX_QUEUES]; 
    80. 

  80. 

  81. } TxHwQueueObj_t;
    82. 

  82. 

  83. 

  84. /* Queue-Calc public functions: */
    85. 

  85. extern  void  txHwQueueCalc_BlocksNum(TI_HANDLE hTxHwQueue, txCtrlBlkEntry_t *pPktCtrlBlk);
    86. 

  86. 

  87. 

  88. 

  89. 

  90. #endif  /* _TX_HW_QUEUE_H */
    91. 

  91.