linux/net/mac80211/ocb.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * OCB mode implementation
 *
 * Copyright: (c) 2014 Czech Technical University in Prague
 *            (c) 2014 Volkswagen Group Research
 * Copyright (C) 2022 - 2023 Intel Corporation
 * Author:    Rostislav Lisovy <[email protected]>
 * Funded by: Volkswagen Group Research
 */

#include <linux/delay.h>
#include <linux/if_ether.h>
#include <linux/skbuff.h>
#include <linux/if_arp.h>
#include <linux/etherdevice.h>
#include <linux/rtnetlink.h>
#include <net/mac80211.h>
#include <asm/unaligned.h>

#include "ieee80211_i.h"
#include "driver-ops.h"
#include "rate.h"

#define IEEE80211_OCB_HOUSEKEEPING_INTERVAL …
#define IEEE80211_OCB_PEER_INACTIVITY_LIMIT …
#define IEEE80211_OCB_MAX_STA_ENTRIES …

/**
 * enum ocb_deferred_task_flags - mac80211 OCB deferred tasks
 * @OCB_WORK_HOUSEKEEPING: run the periodic OCB housekeeping tasks
 *
 * These flags are used in @wrkq_flags field of &struct ieee80211_if_ocb
 */
enum ocb_deferred_task_flags { … };

void ieee80211_ocb_rx_no_sta(struct ieee80211_sub_if_data *sdata,
			     const u8 *bssid, const u8 *addr,
			     u32 supp_rates)
{ … }

static struct sta_info *ieee80211_ocb_finish_sta(struct sta_info *sta)
	__acquires(RCU)
{ … }

static void ieee80211_ocb_housekeeping(struct ieee80211_sub_if_data *sdata)
{ … }

void ieee80211_ocb_work(struct ieee80211_sub_if_data *sdata)
{ … }

static void ieee80211_ocb_housekeeping_timer(struct timer_list *t)
{ … }

void ieee80211_ocb_setup_sdata(struct ieee80211_sub_if_data *sdata)
{ … }

int ieee80211_ocb_join(struct ieee80211_sub_if_data *sdata,
		       struct ocb_setup *setup)
{ … }

int ieee80211_ocb_leave(struct ieee80211_sub_if_data *sdata)
{ … }