package/madwifi/patches/124-linux24_compat.patch

   1 Index: madwifi-trunk-r3314/ath/if_athvar.h
   2 ===================================================================
   3 --- madwifi-trunk-r3314.orig/ath/if_athvar.h
   4 +++ madwifi-trunk-r3314/ath/if_athvar.h
   5 @@ -126,6 +126,11 @@
   6  #define ATH_GET_NETDEV_DEV(ndev)       ((ndev)->class_dev.dev)
   7  #endif
   8
   9 +#ifndef NETDEV_TX_OK
  10 +#define NETDEV_TX_OK    0
  11 +#define NETDEV_TX_BUSY  1
  12 +#endif
  13 +
  14  #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,23)
  15  static inline struct net_device *_alloc_netdev(int sizeof_priv, const char *mask,
  16                                                void (*setup)(struct net_device *))
  17 Index: madwifi-trunk-r3314/ath/if_ath_radar.c
  18 ===================================================================
  19 --- madwifi-trunk-r3314.orig/ath/if_ath_radar.c
  20 +++ madwifi-trunk-r3314/ath/if_ath_radar.c
  21 @@ -92,6 +92,13 @@
  22  #define nofloat_pct(_value, _pct) \
  23         ( (_value * (1000 + _pct)) / 1000 )
  24
  25 +#ifndef list_for_each_entry_reverse
  26 +#define list_for_each_entry_reverse(pos, head, member)                 \
  27 +       for (pos = list_entry((head)->prev, typeof(*pos), member);      \
  28 +            prefetch(pos->member.prev), &pos->member != (head);        \
  29 +            pos = list_entry(pos->member.prev, typeof(*pos), member))
  30 +#endif
  31 +
  32  struct radar_pattern_specification {
  33         /* The name of the rule/specification (i.e. what did we detect) */
  34         const char *name;
  35 Index: madwifi-trunk-r3314/ath/if_ath.c
  36 ===================================================================
  37 --- madwifi-trunk-r3314.orig/ath/if_ath.c
  38 +++ madwifi-trunk-r3314/ath/if_ath.c
  39 @@ -4705,6 +4705,46 @@
  40  #undef USE_SHPREAMBLE
  41  }
  42
  43 +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,15)
  44 +static inline int atomic_cmpxchg(atomic_t *v, int old, int new)
  45 +{
  46 +       int ret;
  47 +       unsigned long flags;
  48 +
  49 +       local_irq_save(flags);
  50 +       ret = v->counter;
  51 +       if (likely(ret == old))
  52 +               v->counter = new;
  53 +       local_irq_restore(flags);
  54 +
  55 +       return ret;
  56 +}
  57 +
  58 +/**
  59 + * atomic_add_unless - add unless the number is a given value
  60 + * @v: pointer of type atomic_t
  61 + * @a: the amount to add to v...
  62 + * @u: ...unless v is equal to u.
  63 + *
  64 + * Atomically adds @a to @v, so long as it was not @u.
  65 + * Returns non-zero if @v was not @u, and zero otherwise.
  66 + */
  67 +static __inline__ int atomic_add_unless(atomic_t *v, int a, int u)
  68 +{
  69 +       int c, old;
  70 +       c = atomic_read(v);
  71 +       for (;;) {
  72 +               if (unlikely(c == (u)))
  73 +                       break;
  74 +               old = atomic_cmpxchg((v), c, c + (a));
  75 +               if (likely(old == c))
  76 +                       break;
  77 +               c = old;
  78 +       }
  79 +       return c != (u);
  80 +}
  81 +#endif
  82 +
  83  /*
  84   * Generate beacon frame and queue cab data for a VAP.
  85   */
  86 Index: madwifi-trunk-r3314/net80211/sort.c
  87 ===================================================================
  88 --- /dev/null
  89 +++ madwifi-trunk-r3314/net80211/sort.c
  90 @@ -0,0 +1,120 @@
  91 +/*
  92 + * A fast, small, non-recursive O(nlog n) sort for the Linux kernel
  93 + *
  94 + * Jan 23 2005  Matt Mackall <mpm@selenic.com>
  95 + */
  96 +
  97 +#include <linux/kernel.h>
  98 +#include <linux/module.h>
  99 +#include <linux/slab.h>
 100 +
 101 +static void u32_swap(void *a, void *b, int size)
 102 +{
 103 +       u32 t = *(u32 *)a;
 104 +       *(u32 *)a = *(u32 *)b;
 105 +       *(u32 *)b = t;
 106 +}
 107 +
 108 +static void generic_swap(void *a, void *b, int size)
 109 +{
 110 +       char t;
 111 +
 112 +       do {
 113 +               t = *(char *)a;
 114 +               *(char *)a++ = *(char *)b;
 115 +               *(char *)b++ = t;
 116 +       } while (--size > 0);
 117 +}
 118 +
 119 +/**
 120 + * sort - sort an array of elements
 121 + * @base: pointer to data to sort
 122 + * @num: number of elements
 123 + * @size: size of each element
 124 + * @cmp: pointer to comparison function
 125 + * @swap: pointer to swap function or NULL
 126 + *
 127 + * This function does a heapsort on the given array. You may provide a
 128 + * swap function optimized to your element type.
 129 + *
 130 + * Sorting time is O(n log n) both on average and worst-case. While
 131 + * qsort is about 20% faster on average, it suffers from exploitable
 132 + * O(n*n) worst-case behavior and extra memory requirements that make
 133 + * it less suitable for kernel use.
 134 + */
 135 +
 136 +static void sort(void *base, size_t num, size_t size,
 137 +         int (*cmp)(const void *, const void *),
 138 +         void (*swap)(void *, void *, int size))
 139 +{
 140 +       /* pre-scale counters for performance */
 141 +       int i = (num/2 - 1) * size, n = num * size, c, r;
 142 +
 143 +       if (!swap)
 144 +               swap = (size == 4 ? u32_swap : generic_swap);
 145 +
 146 +       /* heapify */
 147 +       for ( ; i >= 0; i -= size) {
 148 +               for (r = i; r * 2 + size < n; r  = c) {
 149 +                       c = r * 2 + size;
 150 +                       if (c < n - size && cmp(base + c, base + c + size) < 0)
 151 +                               c += size;
 152 +                       if (cmp(base + r, base + c) >= 0)
 153 +                               break;
 154 +                       swap(base + r, base + c, size);
 155 +               }
 156 +       }
 157 +
 158 +       /* sort */
 159 +       for (i = n - size; i >= 0; i -= size) {
 160 +               swap(base, base + i, size);
 161 +               for (r = 0; r * 2 + size < i; r = c) {
 162 +                       c = r * 2 + size;
 163 +                       if (c < i - size && cmp(base + c, base + c + size) < 0)
 164 +                               c += size;
 165 +                       if (cmp(base + r, base + c) >= 0)
 166 +                               break;
 167 +                       swap(base + r, base + c, size);
 168 +               }
 169 +       }
 170 +}
 171 +
 172 +EXPORT_SYMBOL(sort);
 173 +
 174 +#if 0
 175 +/* a simple boot-time regression test */
 176 +
 177 +int cmpint(const void *a, const void *b)
 178 +{
 179 +       return *(int *)a - *(int *)b;
 180 +}
 181 +
 182 +static int sort_test(void)
 183 +{
 184 +       int *a, i, r = 1;
 185 +
 186 +       a = kmalloc(1000 * sizeof(int), GFP_KERNEL);
 187 +       BUG_ON(!a);
 188 +
 189 +       printk("testing sort()\n");
 190 +
 191 +       for (i = 0; i < 1000; i++) {
 192 +               r = (r * 725861) % 6599;
 193 +               a[i] = r;
 194 +       }
 195 +
 196 +       sort(a, 1000, sizeof(int), cmpint, NULL);
 197 +
 198 +       for (i = 0; i < 999; i++)
 199 +               if (a[i] > a[i+1]) {
 200 +                       printk("sort() failed!\n");
 201 +                       break;
 202 +               }
 203 +
 204 +       kfree(a);
 205 +
 206 +       return 0;
 207 +}
 208 +
 209 +module_init(sort_test);
 210 +#endif