src/connectivity/wlan/drivers/third_party/intel/iwlwifi/test/utils_test.cc

/*
 * Copyright (c) 2019 The Fuchsia Authors
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
// Unittest code for the functions in mvm/utils.c

#include <stdio.h>

#include "gtest/gtest.h"

extern "C" {
#include "src/connectivity/wlan/drivers/third_party/intel/iwlwifi/mvm/mvm.h"
}

namespace {

class UtilsTest : public testing::Test {
 public:
  UtilsTest() {}
  ~UtilsTest() {}
};

TEST_F(UtilsTest, LegacyToDot11) {
  int idx;  // 802.11 index

  // The band is out of range
  EXPECT_EQ(iwl_mvm_legacy_rate_to_mac80211_idx(0, NUM_NL80211_BANDS, &idx), ZX_ERR_OUT_OF_RANGE);

  // Invalid pointer
  EXPECT_EQ(iwl_mvm_legacy_rate_to_mac80211_idx(0, NL80211_BAND_5GHZ, nullptr),
            ZX_ERR_INVALID_ARGS);

  // Not supported 60GHz
  EXPECT_EQ(iwl_mvm_legacy_rate_to_mac80211_idx(0, NL80211_BAND_60GHZ, &idx), ZX_ERR_NOT_SUPPORTED);

  // 2.4 GHz: data rate: 1 MHz ~ 54 MHz
  EXPECT_EQ(iwl_mvm_legacy_rate_to_mac80211_idx(10 /* 1 Mhz */, NL80211_BAND_2GHZ, &idx), ZX_OK);
  EXPECT_EQ(idx, 0);
  EXPECT_EQ(iwl_mvm_legacy_rate_to_mac80211_idx(3 /* 54 Mhz */, NL80211_BAND_2GHZ, &idx), ZX_OK);
  EXPECT_EQ(idx, 11);

  // 5 GHz: data rate: 6 MHz ~ 54 MHz
  EXPECT_EQ(iwl_mvm_legacy_rate_to_mac80211_idx(13 /* 6 Mhz */, NL80211_BAND_5GHZ, &idx), ZX_OK);
  EXPECT_EQ(idx, 0);
  EXPECT_EQ(iwl_mvm_legacy_rate_to_mac80211_idx(3 /* 54 Mhz */, NL80211_BAND_5GHZ, &idx), ZX_OK);
  EXPECT_EQ(idx, 7);
  EXPECT_EQ(iwl_mvm_legacy_rate_to_mac80211_idx(10 /* 1 Mhz */, NL80211_BAND_5GHZ, &idx),
            ZX_ERR_NOT_FOUND);

  // Not in the table
  EXPECT_EQ(iwl_mvm_legacy_rate_to_mac80211_idx(0 /* random number */, NL80211_BAND_5GHZ, &idx),
            ZX_ERR_NOT_FOUND);
}

TEST_F(UtilsTest, Dot11ToHWRate) {
  EXPECT_EQ(iwl_mvm_mac80211_idx_to_hwrate(0 /* 1 Mhz */), 10);
  EXPECT_EQ(iwl_mvm_mac80211_idx_to_hwrate(11 /* 54 Mhz */), 3);
}

}  // namespace