linux/net/mac80211/parse.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright 2002-2005, Instant802 Networks, Inc.
 * Copyright 2005-2006, Devicescape Software, Inc.
 * Copyright 2006-2007	Jiri Benc <[email protected]>
 * Copyright 2007	Johannes Berg <[email protected]>
 * Copyright 2013-2014  Intel Mobile Communications GmbH
 * Copyright (C) 2015-2017	Intel Deutschland GmbH
 * Copyright (C) 2018-2024 Intel Corporation
 *
 * element parsing for mac80211
 */

#include <net/mac80211.h>
#include <linux/netdevice.h>
#include <linux/export.h>
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/skbuff.h>
#include <linux/etherdevice.h>
#include <linux/if_arp.h>
#include <linux/bitmap.h>
#include <linux/crc32.h>
#include <net/net_namespace.h>
#include <net/cfg80211.h>
#include <net/rtnetlink.h>
#include <kunit/visibility.h>

#include "ieee80211_i.h"
#include "driver-ops.h"
#include "rate.h"
#include "mesh.h"
#include "wme.h"
#include "led.h"
#include "wep.h"

struct ieee80211_elems_parse { … };

static void
ieee80211_parse_extension_element(u32 *crc,
				  const struct element *elem,
				  struct ieee80211_elems_parse *elems_parse,
				  struct ieee80211_elems_parse_params *params)
{ … }

static void ieee80211_parse_tpe(struct ieee80211_parsed_tpe *tpe,
				const u8 *data, u8 len)
{ … }

static u32
_ieee802_11_parse_elems_full(struct ieee80211_elems_parse_params *params,
			     struct ieee80211_elems_parse *elems_parse,
			     const struct element *check_inherit)
{ … }

static size_t ieee802_11_find_bssid_profile(const u8 *start, size_t len,
					    struct ieee802_11_elems *elems,
					    struct cfg80211_bss *bss,
					    u8 *nontransmitted_profile)
{ … }

static void
ieee80211_mle_get_sta_prof(struct ieee80211_elems_parse *elems_parse,
			   u8 link_id)
{ … }

static void ieee80211_mle_parse_link(struct ieee80211_elems_parse *elems_parse,
				     struct ieee80211_elems_parse_params *params)
{ … }

static void
ieee80211_mle_defrag_reconf(struct ieee80211_elems_parse *elems_parse)
{ … }

struct ieee802_11_elems *
ieee802_11_parse_elems_full(struct ieee80211_elems_parse_params *params)
{ … }
EXPORT_SYMBOL_IF_KUNIT(…);

int ieee80211_parse_bitrates(enum nl80211_chan_width width,
			     const struct ieee80211_supported_band *sband,
			     const u8 *srates, int srates_len, u32 *rates)
{ … }