linux/drivers/net/wireless/intel/iwlwifi/dvm/tx.c

// SPDX-License-Identifier: GPL-2.0-only
/******************************************************************************
 *
 * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
 * Copyright (C) 2019 Intel Corporation
 * Copyright (C) 2023 Intel Corporation
 *****************************************************************************/

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/sched.h>
#include <linux/ieee80211.h>
#include "iwl-io.h"
#include "iwl-trans.h"
#include "iwl-agn-hw.h"
#include "dev.h"
#include "agn.h"

static const u8 tid_to_ac[] = …;

static void iwlagn_tx_cmd_protection(struct iwl_priv *priv,
				     struct ieee80211_tx_info *info,
				     __le16 fc, __le32 *tx_flags)
{ … }

/*
 * handle build REPLY_TX command notification.
 */
static void iwlagn_tx_cmd_build_basic(struct iwl_priv *priv,
				      struct sk_buff *skb,
				      struct iwl_tx_cmd *tx_cmd,
				      struct ieee80211_tx_info *info,
				      struct ieee80211_hdr *hdr, u8 sta_id)
{ … }

static void iwlagn_tx_cmd_build_rate(struct iwl_priv *priv,
				     struct iwl_tx_cmd *tx_cmd,
				     struct ieee80211_tx_info *info,
				     struct ieee80211_sta *sta,
				     __le16 fc)
{ … }

static void iwlagn_tx_cmd_build_hwcrypto(struct iwl_priv *priv,
					 struct ieee80211_tx_info *info,
					 struct iwl_tx_cmd *tx_cmd,
					 struct sk_buff *skb_frag)
{ … }

/**
 * iwl_sta_id_or_broadcast - return sta_id or broadcast sta
 * @context: the current context
 * @sta: mac80211 station
 *
 * In certain circumstances mac80211 passes a station pointer
 * that may be %NULL, for example during TX or key setup. In
 * that case, we need to use the broadcast station, so this
 * inline wraps that pattern.
 */
static int iwl_sta_id_or_broadcast(struct iwl_rxon_context *context,
				   struct ieee80211_sta *sta)
{ … }

/*
 * start REPLY_TX command process
 */
int iwlagn_tx_skb(struct iwl_priv *priv,
		  struct ieee80211_sta *sta,
		  struct sk_buff *skb)
{ … }

static int iwlagn_alloc_agg_txq(struct iwl_priv *priv, int mq)
{ … }

static void iwlagn_dealloc_agg_txq(struct iwl_priv *priv, int q)
{ … }

int iwlagn_tx_agg_stop(struct iwl_priv *priv, struct ieee80211_vif *vif,
			struct ieee80211_sta *sta, u16 tid)
{ … }

int iwlagn_tx_agg_start(struct iwl_priv *priv, struct ieee80211_vif *vif,
			struct ieee80211_sta *sta, u16 tid, u16 *ssn)
{ … }

int iwlagn_tx_agg_flush(struct iwl_priv *priv, struct ieee80211_vif *vif,
			struct ieee80211_sta *sta, u16 tid)
{ … }

int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
			struct ieee80211_sta *sta, u16 tid, u8 buf_size)
{ … }

static void iwlagn_check_ratid_empty(struct iwl_priv *priv, int sta_id, u8 tid)
{ … }

static void iwlagn_non_agg_tx_status(struct iwl_priv *priv,
				     struct iwl_rxon_context *ctx,
				     const u8 *addr1)
{ … }

/*
 * translate ucode response to mac80211 tx status control values
 */
static void iwlagn_hwrate_to_tx_control(struct iwl_priv *priv, u32 rate_n_flags,
				  struct ieee80211_tx_info *info)
{ … }

#ifdef CONFIG_IWLWIFI_DEBUG
const char *iwl_get_tx_fail_reason(u32 status)
{ … }
#endif /* CONFIG_IWLWIFI_DEBUG */

static void iwlagn_count_agg_tx_err_status(struct iwl_priv *priv, u16 status)
{ … }

static inline u32 iwlagn_get_scd_ssn(struct iwlagn_tx_resp *tx_resp)
{ … }

static void iwl_rx_reply_tx_agg(struct iwl_priv *priv,
				struct iwlagn_tx_resp *tx_resp)
{ … }

#ifdef CONFIG_IWLWIFI_DEBUG
#define AGG_TX_STATE_FAIL(x) …

const char *iwl_get_agg_tx_fail_reason(u16 status)
{ … }
#endif /* CONFIG_IWLWIFI_DEBUG */

static void iwlagn_count_tx_err_status(struct iwl_priv *priv, u16 status)
{ … }

static void iwlagn_set_tx_status(struct iwl_priv *priv,
				 struct ieee80211_tx_info *info,
				 struct iwlagn_tx_resp *tx_resp)
{ … }

static void iwl_check_abort_status(struct iwl_priv *priv,
			    u8 frame_count, u32 status)
{ … }

void iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_cmd_buffer *rxb)
{ … }

/*
 * iwlagn_rx_reply_compressed_ba - Handler for REPLY_COMPRESSED_BA
 *
 * Handles block-acknowledge notification from device, which reports success
 * of frames sent via aggregation.
 */
void iwlagn_rx_reply_compressed_ba(struct iwl_priv *priv,
				   struct iwl_rx_cmd_buffer *rxb)
{ … }