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 <linux/slab.h>
  31 #include <net/iw_handler.h>
  32
  33 /* Memory management */
  34 /* Called to allocate uncached memory, allocated memory must    */
  35 /* in 4-byte boundary                                           */
  36 void *zfwMemAllocate(zdev_t *dev, u32_t size)
  37 {
  38         void *mem = NULL;
  39         mem = kmalloc(size, GFP_ATOMIC);
  40         return mem;
  41 }
  42
  43
  44 /* Called to free allocated memory */
  45 void zfwMemFree(zdev_t *dev, void *mem, u32_t size)
  46 {
  47         kfree(mem);
  48         return;
  49 }
  50
  51 void zfwMemoryCopy(u8_t *dst, u8_t *src, u16_t length)
  52 {
  53         /* u16_t i; */
  54
  55         memcpy(dst, src, length);
  56         /*
  57          * for(i=0; i<length; i++)
  58          * {
  59          *      dst[i] = src[i];
  60          * }
  61          */
  62         return;
  63 }
  64
  65 void zfwZeroMemory(u8_t *va, u16_t length)
  66 {
  67         /* u16_t i; */
  68         memset(va, 0, length);
  69         /*
  70          * for(i=0; i<length; i++)
  71          * {
  72          *      va[i] = 0;
  73          * }
  74          */
  75         return;
  76 }
  77
  78 void zfwMemoryMove(u8_t *dst, u8_t *src, u16_t length)
  79 {
  80         memcpy(dst, src, length);
  81         return;
  82 }
  83
  84 u8_t zfwMemoryIsEqual(u8_t *m1, u8_t *m2, u16_t length)
  85 {
  86         /* u16_t i; */
  87         int ret;
  88
  89         ret = memcmp(m1, m2, length);
  90
  91         return ((ret == 0) ? TRUE : FALSE);
  92         /*
  93          * for(i=0; i<length; i++)
  94          *{
  95          *       if ( m1[i] != m2[i] )
  96          *      {
  97          *              return FALSE;
  98          *      }
  99          *}
 100          *
 101          * return TRUE;
 102          */
 103 }
 104
 105 /* Leave an empty line below to remove warning message on some compiler */