net/wireless/tests/chan.c

Source file repositories/reference/linux-study-clean/net/wireless/tests/chan.c

File Facts

System
Linux kernel
Corpus path
net/wireless/tests/chan.c
Extension
.c
Size
9385 bytes
Lines
409
Domain
Networking Core
Bucket
Sockets, Protocols, Packet Path, And Network Policy
Inferred role
Networking Core: implementation source
Status
source implementation candidate

Why This File Exists

Networking stack implementation surface: socket APIs, protocol dispatch, packet flow, routing, filtering, and network namespaces.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only
/*
 * KUnit tests for channel helper functions
 *
 * Copyright (C) 2023-2024, 2026 Intel Corporation
 */
#include <net/cfg80211.h>
#include <kunit/test.h>

MODULE_IMPORT_NS("EXPORTED_FOR_KUNIT_TESTING");

static struct ieee80211_channel chan_2ghz_1 = {
	.band = NL80211_BAND_2GHZ,
	.center_freq = 2412,
};

static struct ieee80211_channel chan_6ghz_1 = {
	.band = NL80211_BAND_6GHZ,
	.center_freq = 5955,
};

static struct ieee80211_channel chan_6ghz_5 = {
	.band = NL80211_BAND_6GHZ,
	.center_freq = 5975,
};

static struct ieee80211_channel chan_6ghz_105 = {
	.band = NL80211_BAND_6GHZ,
	.center_freq = 6475,
};

static const struct chandef_compat_case {
	const char *desc;
	/* leave c1 empty for tests for identical */
	struct cfg80211_chan_def c1, c2;
	/* we test both ways around, so c2 should always be the compat one */
	bool compat;
} chandef_compat_cases[] = {
	{
		.desc = "identical non-HT",
		.c2 = {
			.width = NL80211_CHAN_WIDTH_20_NOHT,
			.chan = &chan_6ghz_1,
			.center_freq1 = 5955,
		},
		.compat = true,
	},
	{
		.desc = "identical 20 MHz",
		.c2 = {
			.width = NL80211_CHAN_WIDTH_20,
			.chan = &chan_6ghz_1,
			.center_freq1 = 5955,
		},
		.compat = true,
	},
	{
		.desc = "identical 40 MHz",
		.c2 = {
			.width = NL80211_CHAN_WIDTH_40,
			.chan = &chan_6ghz_1,
			.center_freq1 = 5955 + 10,
		},
		.compat = true,
	},
	{
		.desc = "identical 80 MHz",
		.c2 = {
			.width = NL80211_CHAN_WIDTH_80,
			.chan = &chan_6ghz_1,
			.center_freq1 = 5955 + 10 + 20,
		},
		.compat = true,
	},
	{
		.desc = "identical 160 MHz",
		.c2 = {
			.width = NL80211_CHAN_WIDTH_160,
			.chan = &chan_6ghz_1,
			.center_freq1 = 5955 + 10 + 20 + 40,
		},
		.compat = true,
	},
	{
		.desc = "identical 320 MHz",
		.c2 = {
			.width = NL80211_CHAN_WIDTH_320,
			.chan = &chan_6ghz_1,
			.center_freq1 = 5955 + 10 + 20 + 40 + 80,
		},

Annotation

Implementation Notes