drivers/staging/otus/wrap_mem.c

   1 /*
   2  * Copyright (c) 2007-2008 Atheros Communications Inc.
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16 /*  Module Name : wrap_mem.c                                            */
  17 /*                                                                      */
  18 /*  Abstract                                                            */
  19 /*     This module contains wrapper functions for memory management     */
  20 /*                                                                      */
  21 /*  NOTES                                                               */
  22 /*     Platform dependent.                                              */
  23 /*                                                                      */
  24 /************************************************************************/
  25
  26 #include "oal_dt.h"
  27 #include "usbdrv.h"
  28
  29 #include <linux/netlink.h>
  30 #include <net/iw_handler.h>
  31
  32 /* Memory management */
  33 /* Called to allocate uncached memory, allocated memory must    */
  34 /* in 4-byte boundary                                           */
  35 void* zfwMemAllocate(zdev_t* dev, u32_t size)
  36 {
  37     void* mem = NULL;
  38     mem = kmalloc(size, GFP_ATOMIC);
  39     return mem;
  40 }
  41
  42
  43 /* Called to free allocated memory */
  44 void zfwMemFree(zdev_t* dev, void* mem, u32_t size)
  45 {
  46     kfree(mem);
  47     return;
  48 }
  49
  50 void zfwMemoryCopy(u8_t* dst, u8_t* src, u16_t length)
  51 {
  52     //u16_t i;
  53
  54     memcpy(dst, src, length);
  55     //for(i=0; i<length; i++)
  56     //{
  57     //    dst[i] = src[i];
  58     //}
  59     return;
  60 }
  61
  62 void zfwZeroMemory(u8_t* va, u16_t length)
  63 {
  64     //u16_t i;
  65     memset(va, 0, length);
  66     //for(i=0; i<length; i++)
  67     //{
  68     //    va[i] = 0;
  69     //}
  70     return;
  71 }
  72
  73 void zfwMemoryMove(u8_t* dst, u8_t* src, u16_t length)
  74 {
  75     memcpy(dst, src, length);
  76     return;
  77 }
  78
  79 u8_t zfwMemoryIsEqual(u8_t* m1, u8_t* m2, u16_t length)
  80 {
  81     //u16_t i;
  82     int ret;
  83
  84     ret = memcmp(m1, m2, length);
  85
  86     return ((ret==0)?TRUE:FALSE);
  87     //for(i=0; i<length; i++)
  88     //{
  89     //    if ( m1[i] != m2[i] )
  90     //    {
  91     //        return FALSE;
  92     //    }
  93     //}
  94
  95     //return TRUE;
  96 }
  97
  98 /* Leave an empty line below to remove warning message on some compiler */