net/wireless/tests/util.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Utilities for cfg80211 unit testing
   4  *
   5  * Copyright (C) 2023 Intel Corporation
   6  */
   7 #ifndef __CFG80211_UTILS_H
   8 #define __CFG80211_UTILS_H
   9
  10 #define CHAN2G(_freq)  { \
  11         .band = NL80211_BAND_2GHZ, \
  12         .center_freq = (_freq), \
  13         .hw_value = (_freq), \
  14 }
  15
  16 static const struct ieee80211_channel channels_2ghz[] = {
  17         CHAN2G(2412), /* Channel 1 */
  18         CHAN2G(2417), /* Channel 2 */
  19         CHAN2G(2422), /* Channel 3 */
  20         CHAN2G(2427), /* Channel 4 */
  21         CHAN2G(2432), /* Channel 5 */
  22         CHAN2G(2437), /* Channel 6 */
  23         CHAN2G(2442), /* Channel 7 */
  24         CHAN2G(2447), /* Channel 8 */
  25         CHAN2G(2452), /* Channel 9 */
  26         CHAN2G(2457), /* Channel 10 */
  27         CHAN2G(2462), /* Channel 11 */
  28         CHAN2G(2467), /* Channel 12 */
  29         CHAN2G(2472), /* Channel 13 */
  30         CHAN2G(2484), /* Channel 14 */
  31 };
  32
  33 struct t_wiphy_priv {
  34         struct kunit *test;
  35         struct cfg80211_ops *ops;
  36
  37         void *ctx;
  38
  39         struct ieee80211_supported_band band_2ghz;
  40         struct ieee80211_channel channels_2ghz[ARRAY_SIZE(channels_2ghz)];
  41 };
  42
  43 #define T_WIPHY(test, ctx) ({                                           \
  44                 struct wiphy *__wiphy =                                 \
  45                         kunit_alloc_resource(test, t_wiphy_init,        \
  46                                              t_wiphy_exit,              \
  47                                              GFP_KERNEL, &(ctx));       \
  48                                                                         \
  49                 KUNIT_ASSERT_NOT_NULL(test, __wiphy);                   \
  50                 __wiphy;                                                \
  51         })
  52 #define t_wiphy_ctx(wiphy) (((struct t_wiphy_priv *)wiphy_priv(wiphy))->ctx)
  53
  54 int t_wiphy_init(struct kunit_resource *resource, void *data);
  55 void t_wiphy_exit(struct kunit_resource *resource);
  56
  57 #define t_skb_remove_member(skb, type, member)  do {                            \
  58                 memmove((skb)->data + (skb)->len - sizeof(type) +               \
  59                         offsetof(type, member),                                 \
  60                         (skb)->data + (skb)->len - sizeof(type) +               \
  61                         offsetofend(type, member),                              \
  62                         offsetofend(type, member));                             \
  63                 skb_trim(skb, (skb)->len - sizeof_field(type, member));         \
  64         } while (0)
  65
  66 #endif /* __CFG80211_UTILS_H */