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         /*
  56          * for(i=0; i<length; i++)
  57          * {
  58          *      dst[i] = src[i];
  59          * }
  60          */
  61         return;
  62 }
  63
  64 void zfwZeroMemory(u8_t *va, u16_t length)
  65 {
  66         /* u16_t i; */
  67         memset(va, 0, length);
  68         /*
  69          * for(i=0; i<length; i++)
  70          * {
  71          *      va[i] = 0;
  72          * }
  73          */
  74         return;
  75 }
  76
  77 void zfwMemoryMove(u8_t *dst, u8_t *src, u16_t length)
  78 {
  79         memcpy(dst, src, length);
  80         return;
  81 }
  82
  83 u8_t zfwMemoryIsEqual(u8_t *m1, u8_t *m2, u16_t length)
  84 {
  85         /* u16_t i; */
  86         int ret;
  87
  88         ret = memcmp(m1, m2, length);
  89
  90         return ((ret == 0) ? TRUE : FALSE);
  91         /*
  92          * for(i=0; i<length; i++)
  93          *{
  94          *       if ( m1[i] != m2[i] )
  95          *      {
  96          *              return FALSE;
  97          *      }
  98          *}
  99          *
 100          * return TRUE;
 101          */
 102 }
 103
 104 /* Leave an empty line below to remove warning message on some compiler */