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iwd/unit/test-band.c

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/*
*
* Wireless daemon for Linux
*
* Copyright (C) 2021 Intel Corporation. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include <errno.h>
#include <ell/ell.h>
#include "src/band.h"
static struct band *new_band()
{
/* Band with VHT/80, short GI, NSS:2 and VHT MCS 0-9 */
static const uint8_t vht_mcs_set[] = {
0xfa, 0xff, 0x00, 0x00, 0xfa, 0xff, 0x00, 0x20,
};
static const uint8_t vht_capabilities[] = {
0xa0, 0x71, 0x80, 0x03,
};
static const uint8_t ht_mcs_set[] = {
0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x2c, 0x01, 0x01, 0x00, 0x00, 0x00,
};
static const uint8_t ht_capabilities[] = {
0xee, 0x11,
};
/* band + 8 basic rates */
struct band *band = l_malloc(sizeof(struct band) + 8);
band->supported_rates_len = 8;
band->supported_rates[0] = 12;
band->supported_rates[1] = 18;
band->supported_rates[2] = 24;
band->supported_rates[3] = 36;
band->supported_rates[4] = 48;
band->supported_rates[5] = 72;
band->supported_rates[6] = 96;
band->supported_rates[7] = 108;
band->ht_supported = true;
band->vht_supported = true;
memcpy(band->vht_mcs_set, vht_mcs_set, sizeof(band->vht_mcs_set));
memcpy(band->vht_capabilities, vht_capabilities,
sizeof(band->vht_capabilities));
memcpy(band->ht_mcs_set, ht_mcs_set, sizeof(band->ht_mcs_set));
memcpy(band->ht_capabilities, ht_capabilities,
sizeof(band->ht_capabilities));
return band;
}
static void band_test_nonht_1(const void *data)
{
uint8_t supported_rates[] = { 1, 8,
0x8c, 0x12, 0x98, 0x24, 0xb0, 0x48, 0x60, 0x6c };
struct band *band = new_band();
uint64_t data_rate;
int ret;
ret = band_estimate_nonht_rate(band, supported_rates, NULL,
-50, &data_rate);
assert(ret == 0);
assert(data_rate == 54000000);
ret = band_estimate_nonht_rate(band, supported_rates, NULL,
-66, &data_rate);
assert(ret == 0);
assert(data_rate == 48000000);
ret = band_estimate_nonht_rate(band, supported_rates, NULL,
-70, &data_rate);
assert(ret == 0);
assert(data_rate == 36000000);
ret = band_estimate_nonht_rate(band, supported_rates, NULL,
-74, &data_rate);
assert(ret == 0);
assert(data_rate == 24000000);
ret = band_estimate_nonht_rate(band, supported_rates, NULL,
-77, &data_rate);
assert(ret == 0);
assert(data_rate == 18000000);
ret = band_estimate_nonht_rate(band, supported_rates, NULL,
-79, &data_rate);
assert(ret == 0);
assert(data_rate == 12000000);
ret = band_estimate_nonht_rate(band, supported_rates, NULL,
-81, &data_rate);
assert(ret == 0);
assert(data_rate == 9000000);
ret = band_estimate_nonht_rate(band, supported_rates, NULL,
-82, &data_rate);
assert(ret == 0);
assert(data_rate == 6000000);
ret = band_estimate_nonht_rate(band, supported_rates, NULL,
-83, &data_rate);
assert(ret < 0);
band_free(band);
}
static void band_test_ht_1(const void *data)
{
/* HT40 */
uint8_t hto[] = { 61, 22,
0x95, 0x0d, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
/* HT40, MCS 0-23, 40/20Mhz SGI */
uint8_t htc[] = { 45, 26,
0xef, 0x09, 0x17, 0xff, 0xff, 0xff, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00 };
struct band *band = new_band();
uint64_t data_rate;
int ret;
ret = band_estimate_ht_rx_rate(band, htc, hto, -51, &data_rate);
assert(ret == 0);
assert(data_rate == 300000000);
ret = band_estimate_ht_rx_rate(band, htc, hto, -62, &data_rate);
assert(ret == 0);
assert(data_rate == 270000000);
ret = band_estimate_ht_rx_rate(band, htc, hto, -63, &data_rate);
assert(ret == 0);
assert(data_rate == 240000000);
ret = band_estimate_ht_rx_rate(band, htc, hto, -66, &data_rate);
assert(ret == 0);
assert(data_rate == 180000000);
ret = band_estimate_ht_rx_rate(band, htc, hto, -71, &data_rate);
assert(ret == 0);
assert(data_rate == 120000000);
ret = band_estimate_ht_rx_rate(band, htc, hto, -74, &data_rate);
assert(ret == 0);
assert(data_rate == 90000000);
ret = band_estimate_ht_rx_rate(band, htc, hto, -76, &data_rate);
assert(ret == 0);
assert(data_rate == 60000000);
ret = band_estimate_ht_rx_rate(band, htc, hto, -79, &data_rate);
assert(ret == 0);
assert(data_rate == 30000000);
/* We should now fall back to HT20 */
ret = band_estimate_ht_rx_rate(band, htc, hto, -82, &data_rate);
assert(ret == 0);
assert(data_rate == 14444440);
ret = band_estimate_ht_rx_rate(band, htc, hto, -83, &data_rate);
assert(ret < 0);
band_free(band);
}
static void band_test_vht_1(const void *data)
{
/* VHT operating on 80 Mhz */
uint8_t vhto[] = { 192, 5, 0x01, 0x9b, 0x00, 0x00, 0x00 };
/* VHT80, NSS:3, MCS 0-9, 80Mhz SGI */
uint8_t vhtc[] = { 191, 12,
0xb2, 0x59, 0x82, 0x0f, 0xea, 0xff, 0x00, 0x00,
0xea, 0xff, 0x00, 0x00 };
/* HT40 */
uint8_t hto[] = { 61, 22,
0x95, 0x0d, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
/* HT40, MCS 0-23, 40/20Mhz SGI */
uint8_t htc[] = { 45, 26,
0xef, 0x09, 0x17, 0xff, 0xff, 0xff, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00 };
struct band *band = new_band();
uint64_t data_rate;
int ret;
ret = band_estimate_vht_rx_rate(band, vhtc, vhto, htc, hto,
-51, &data_rate);
assert(ret == 0);
assert(data_rate == 866666660);
ret = band_estimate_vht_rx_rate(band, vhtc, vhto, htc, hto,
-53, &data_rate);
assert(ret == 0);
assert(data_rate == 780000000);
ret = band_estimate_vht_rx_rate(band, vhtc, vhto, htc, hto,
-56, &data_rate);
assert(ret == 0);
assert(data_rate == 650000000);
ret = band_estimate_vht_rx_rate(band, vhtc, vhto, htc, hto,
-59, &data_rate);
assert(ret == 0);
assert(data_rate == 585000000);
ret = band_estimate_vht_rx_rate(band, vhtc, vhto, htc, hto,
-60, &data_rate);
assert(ret == 0);
assert(data_rate == 520000000);
ret = band_estimate_vht_rx_rate(band, vhtc, vhto, htc, hto,
-63, &data_rate);
assert(ret == 0);
assert(data_rate == 390000000);
ret = band_estimate_vht_rx_rate(band, vhtc, vhto, htc, hto,
-67, &data_rate);
assert(ret == 0);
assert(data_rate == 260000000);
ret = band_estimate_vht_rx_rate(band, vhtc, vhto, htc, hto,
-70, &data_rate);
assert(ret == 0);
assert(data_rate == 195000000);
ret = band_estimate_vht_rx_rate(band, vhtc, vhto, htc, hto,
-73, &data_rate);
assert(ret == 0);
assert(data_rate == 130000000);
ret = band_estimate_vht_rx_rate(band, vhtc, vhto, htc, hto,
-76, &data_rate);
assert(ret == 0);
assert(data_rate == 65000000);
/* We should now fall back to HT40 */
ret = band_estimate_vht_rx_rate(band, vhtc, vhto, htc, hto,
-79, &data_rate);
assert(ret == 0);
assert(data_rate == 30000000);
/* And only enough for HT20 */
ret = band_estimate_vht_rx_rate(band, vhtc, vhto, htc, hto,
-82, &data_rate);
assert(ret == 0);
assert(data_rate == 14444440);
ret = band_estimate_vht_rx_rate(band, vhtc, vhto, htc, hto,
-83, &data_rate);
assert(ret < 0);
band_free(band);
}
struct oci2freq_data {
unsigned int op;
unsigned int chan;
int expected_freq;
};
static const struct oci2freq_data oci2freq_data_1 = { 129, 100, 5500 };
static const struct oci2freq_data oci2freq_data_2 = { 129, 108, 5540 };
static const struct oci2freq_data oci2freq_data_3 = { 129, 106, -EINVAL };
static const struct oci2freq_data oci2freq_data_4 = { 81, 1, 2412 };
static const struct oci2freq_data oci2freq_data_5 = { 82, 1, -EINVAL };
static const struct oci2freq_data oci2freq_data_6 = { 82, 14, 2484 };
static const struct oci2freq_data oci2freq_data_7 = { 88, 0, -ENOENT };
static const struct oci2freq_data oci2freq_data_8 = { 128, 161, 5805 };
static void test_oci2freq(const void *data)
{
const struct oci2freq_data *test = data;
int r;
r = oci_to_frequency(test->op, test->chan);
assert(r == test->expected_freq);
}
static const struct band_chandef cd_1 = {
.frequency = 5540,
.channel_width = BAND_CHANDEF_WIDTH_160,
.center1_frequency = 5570,
};
static const struct band_chandef cd_2 = {
.frequency = 5180,
.channel_width = BAND_CHANDEF_WIDTH_80P80,
.center1_frequency = 5210,
.center2_frequency = 5775,
};
static const struct band_chandef cd_3 = {
.frequency = 2437,
.channel_width = BAND_CHANDEF_WIDTH_20NOHT,
.center1_frequency = 2437,
};
static const struct band_chandef cd_4 = {
.frequency = 2437,
.channel_width = BAND_CHANDEF_WIDTH_40,
.center1_frequency = 2427,
};
static const struct band_chandef cd_5 = {
.frequency = 6235,
.channel_width = BAND_CHANDEF_WIDTH_20,
};
static const struct band_chandef cd_6 = {
.frequency = 6235,
.channel_width = BAND_CHANDEF_WIDTH_40,
};
static const struct band_chandef cd_7 = {
.frequency = 6235,
.channel_width = BAND_CHANDEF_WIDTH_80,
};
static const struct band_chandef cd_8 = {
.frequency = 6235,
.channel_width = BAND_CHANDEF_WIDTH_160,
};
static const struct band_chandef cd_9 = {
.frequency = 6235,
.channel_width = BAND_CHANDEF_WIDTH_80P80,
.center1_frequency = 6145,
.center2_frequency = 6225,
};
struct oci_data {
const struct band_chandef *cd;
uint8_t oci[3];
int expected_verify_error;
};
static const struct oci_data oci_data_1 = { &cd_1, { 129, 108, 0 } };
static const struct oci_data oci_data_2 = { &cd_2, { 130, 36, 155 } };
static const struct oci_data oci_data_3 = { &cd_3, { 81, 6, 0 } };
static const struct oci_data oci_data_4 = { &cd_4, { 84, 6, 0 } };
static const struct oci_data oci_data_5 = { &cd_5, { 131, 57, 0 } };
static const struct oci_data oci_data_6 = { &cd_6, { 132, 57, 0 } };
static const struct oci_data oci_data_7 = { &cd_7, { 133, 57, 0 } };
static const struct oci_data oci_data_8 = { &cd_8, { 134, 57, 0 } };
static const struct oci_data oci_data_9 = { &cd_9, { 135, 57, 55 } };
static const struct oci_data oci_err_1 = { &cd_1, { 129, 36, 0 }, -EPERM };
static const struct oci_data oci_err_2 = { &cd_1, { 121, 108, 0 }, -EPERM };
static const struct oci_data oci_err_3 = { &cd_1, { 130, 36, 155 }, -EPERM };
static const struct oci_data oci_err_4 = { &cd_3, { 81, 5 }, -EPERM };
static const struct oci_data oci_err_5 = { &cd_3, { 80, 1 }, -ENOENT };
static const struct oci_data oci_err_6 = { &cd_3, { 81, 15 }, -EINVAL };
static const struct oci_data oci_err_7 = { &cd_4, { 84, 5 }, -EPERM };
static const struct oci_data oci_err_8 = { &cd_4, { 83, 6 }, -EPERM };
static void test_oci_verify(const void *data)
{
const struct oci_data *test = data;
int r;
r = oci_verify(test->oci, test->cd);
assert(r == test->expected_verify_error);
}
static void test_oci_from_chandef(const void *data)
{
const struct oci_data *test = data;
uint8_t oci[3];
int r;
r = oci_from_chandef(test->cd, oci);
assert(!r);
assert(!memcmp(oci, test->oci, sizeof(oci)));
}
static void test_6ghz_channels(const void *data)
{
unsigned int i;
/* Test all channels for 6GHz */
for (i = 1; i <= 233; i += 4)
assert(band_channel_to_freq(i, BAND_FREQ_6_GHZ) != 0);
}
static void test_6ghz_freqs(const void *data)
{
uint32_t i;
enum band_freq band;
for (i = 5955; i < 7115; i += 5) {
assert(band_freq_to_channel(i, &band) != 0);
assert(band == BAND_FREQ_6_GHZ);
}
}
int main(int argc, char *argv[])
{
l_test_init(&argc, &argv);
l_test_add("/band/non-HT/test1", band_test_nonht_1, NULL);
l_test_add("/band/HT/test1", band_test_ht_1, NULL);
l_test_add("/band/VHT/test1", band_test_vht_1, NULL);
l_test_add("/band/oci2freq 1", test_oci2freq, &oci2freq_data_1);
l_test_add("/band/oci2freq 2", test_oci2freq, &oci2freq_data_2);
l_test_add("/band/oci2freq 3", test_oci2freq, &oci2freq_data_3);
l_test_add("/band/oci2freq 4", test_oci2freq, &oci2freq_data_4);
l_test_add("/band/oci2freq 5", test_oci2freq, &oci2freq_data_5);
l_test_add("/band/oci2freq 6", test_oci2freq, &oci2freq_data_6);
l_test_add("/band/oci2freq 7", test_oci2freq, &oci2freq_data_7);
l_test_add("/band/oci2freq 8", test_oci2freq, &oci2freq_data_8);
l_test_add("/band/oci/verify 1", test_oci_verify, &oci_data_1);
l_test_add("/band/oci/verify 2", test_oci_verify, &oci_data_2);
l_test_add("/band/oci/verify 3", test_oci_verify, &oci_data_3);
l_test_add("/band/oci/verify 4", test_oci_verify, &oci_data_4);
l_test_add("/band/oci/verify 5", test_oci_verify, &oci_data_5);
l_test_add("/band/oci/verify 6", test_oci_verify, &oci_data_6);
l_test_add("/band/oci/verify 7", test_oci_verify, &oci_data_7);
l_test_add("/band/oci/verify 8", test_oci_verify, &oci_data_8);
l_test_add("/band/oci/verify 9", test_oci_verify, &oci_data_9);
l_test_add("/band/oci/noverify 1", test_oci_verify, &oci_err_1);
l_test_add("/band/oci/noverify 2", test_oci_verify, &oci_err_2);
l_test_add("/band/oci/noverify 3", test_oci_verify, &oci_err_3);
l_test_add("/band/oci/noverify 4", test_oci_verify, &oci_err_4);
l_test_add("/band/oci/noverify 5", test_oci_verify, &oci_err_5);
l_test_add("/band/oci/noverify 6", test_oci_verify, &oci_err_6);
l_test_add("/band/oci/noverify 7", test_oci_verify, &oci_err_7);
l_test_add("/band/oci/noverify 8", test_oci_verify, &oci_err_8);
l_test_add("/band/oci/chandef 1", test_oci_from_chandef, &oci_data_1);
l_test_add("/band/oci/chandef 2", test_oci_from_chandef, &oci_data_2);
l_test_add("/band/oci/chandef 3", test_oci_from_chandef, &oci_data_3);
l_test_add("/band/oci/chandef 4", test_oci_from_chandef, &oci_data_4);
l_test_add("/band/6ghz/channels", test_6ghz_channels, NULL);
l_test_add("/band/6ghz/freq", test_6ghz_freqs, NULL);
return l_test_run();
}
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