linux/net/mac80211/status.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 2008-2010	Johannes Berg <[email protected]>
 * Copyright 2013-2014  Intel Mobile Communications GmbH
 * Copyright 2021-2024  Intel Corporation
 */

#include <linux/export.h>
#include <linux/etherdevice.h>
#include <net/mac80211.h>
#include <asm/unaligned.h>
#include "ieee80211_i.h"
#include "rate.h"
#include "mesh.h"
#include "led.h"
#include "wme.h"


void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw,
				 struct sk_buff *skb)
{ … }
EXPORT_SYMBOL(…);

static void ieee80211_handle_filtered_frame(struct ieee80211_local *local,
					    struct sta_info *sta,
					    struct sk_buff *skb)
{ … }

static void ieee80211_check_pending_bar(struct sta_info *sta, u8 *addr, u8 tid)
{ … }

static void ieee80211_frame_acked(struct sta_info *sta, struct sk_buff *skb)
{ … }

static void ieee80211_set_bar_pending(struct sta_info *sta, u8 tid, u16 ssn)
{ … }

static int ieee80211_tx_radiotap_len(struct ieee80211_tx_info *info,
				     struct ieee80211_tx_status *status)
{ … }

static void
ieee80211_add_tx_radiotap_header(struct ieee80211_local *local,
				 struct sk_buff *skb, int retry_count,
				 int rtap_len,
				 struct ieee80211_tx_status *status)
{ … }

/*
 * Handles the tx for TDLS teardown frames.
 * If the frame wasn't ACKed by the peer - it will be re-sent through the AP
 */
static void ieee80211_tdls_td_tx_handle(struct ieee80211_local *local,
					struct ieee80211_sub_if_data *sdata,
					struct sk_buff *skb, u32 flags)
{ … }

static struct ieee80211_sub_if_data *
ieee80211_sdata_from_skb(struct ieee80211_local *local, struct sk_buff *skb)
{ … }

static void ieee80211_report_ack_skb(struct ieee80211_local *local,
				     struct sk_buff *orig_skb,
				     bool acked, bool dropped,
				     ktime_t ack_hwtstamp)
{ … }

static void ieee80211_handle_smps_status(struct ieee80211_sub_if_data *sdata,
					 bool acked, u16 status_data)
{ … }

static void
ieee80211_handle_teardown_ttlm_status(struct ieee80211_sub_if_data *sdata,
				      bool acked)
{ … }

static void ieee80211_report_used_skb(struct ieee80211_local *local,
				      struct sk_buff *skb, bool dropped,
				      ktime_t ack_hwtstamp)
{ … }

/*
 * Use a static threshold for now, best value to be determined
 * by testing ...
 * Should it depend on:
 *  - on # of retransmissions
 *  - current throughput (higher value for higher tpt)?
 */
#define STA_LOST_PKT_THRESHOLD …
#define STA_LOST_PKT_TIME …
#define STA_LOST_TDLS_PKT_TIME …

static void ieee80211_lost_packet(struct sta_info *sta,
				  struct ieee80211_tx_info *info)
{ … }

static int ieee80211_tx_get_rates(struct ieee80211_hw *hw,
				  struct ieee80211_tx_info *info,
				  int *retry_count)
{ … }

void ieee80211_tx_monitor(struct ieee80211_local *local, struct sk_buff *skb,
			  int retry_count, bool send_to_cooked,
			  struct ieee80211_tx_status *status)
{ … }

static void __ieee80211_tx_status(struct ieee80211_hw *hw,
				  struct ieee80211_tx_status *status,
				  int rates_idx, int retry_count)
{ … }

void ieee80211_tx_status_skb(struct ieee80211_hw *hw, struct sk_buff *skb)
{ … }
EXPORT_SYMBOL(…);

void ieee80211_tx_status_ext(struct ieee80211_hw *hw,
			     struct ieee80211_tx_status *status)
{ … }
EXPORT_SYMBOL(…);

void ieee80211_tx_rate_update(struct ieee80211_hw *hw,
			      struct ieee80211_sta *pubsta,
			      struct ieee80211_tx_info *info)
{ … }
EXPORT_SYMBOL(…);

void ieee80211_report_low_ack(struct ieee80211_sta *pubsta, u32 num_packets)
{ … }
EXPORT_SYMBOL(…);

void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb)
{ … }
EXPORT_SYMBOL(…);

void ieee80211_purge_tx_queue(struct ieee80211_hw *hw,
			      struct sk_buff_head *skbs)
{ … }