linux/drivers/net/wireless/intel/iwlwifi/mvm/coex.c

// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
 * Copyright (C) 2013-2014, 2018-2020, 2022-2024 Intel Corporation
 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
 */
#include <linux/ieee80211.h>
#include <linux/etherdevice.h>
#include <net/mac80211.h>

#include "fw/api/coex.h"
#include "iwl-modparams.h"
#include "mvm.h"
#include "iwl-debug.h"

/* 20MHz / 40MHz below / 40Mhz above*/
static const __le64 iwl_ci_mask[][3] = …;

static enum iwl_bt_coex_lut_type
iwl_get_coex_type(struct iwl_mvm *mvm, const struct ieee80211_vif *vif)
{ … }

int iwl_mvm_send_bt_init_conf(struct iwl_mvm *mvm)
{ … }

static int iwl_mvm_bt_coex_reduced_txp(struct iwl_mvm *mvm, u8 sta_id,
				       bool enable)
{ … }

struct iwl_bt_iterator_data { … };

static inline
void iwl_mvm_bt_coex_enable_rssi_event(struct iwl_mvm *mvm,
				       struct iwl_mvm_vif_link_info *link_info,
				       bool enable, int rssi)
{ … }

#define MVM_COEX_TCM_PERIOD …

static void iwl_mvm_bt_coex_tcm_based_ci(struct iwl_mvm *mvm,
					 struct iwl_bt_iterator_data *data)
{ … }

/*
 * This function receives the LB link id and checks if eSR should be
 * enabled or disabled (due to BT coex)
 */
bool
iwl_mvm_bt_coex_calculate_esr_mode(struct iwl_mvm *mvm,
				   struct ieee80211_vif *vif,
				   s32 link_rssi,
				   bool primary)
{ … }

void iwl_mvm_bt_coex_update_link_esr(struct iwl_mvm *mvm,
				     struct ieee80211_vif *vif,
				     int link_id)
{ … }

static void iwl_mvm_bt_notif_per_link(struct iwl_mvm *mvm,
				      struct ieee80211_vif *vif,
				      struct iwl_bt_iterator_data *data,
				      unsigned int link_id)
{ … }

/* must be called under rcu_read_lock */
static void iwl_mvm_bt_notif_iterator(void *_data, u8 *mac,
				      struct ieee80211_vif *vif)
{ … }

static void iwl_mvm_bt_coex_notif_handle(struct iwl_mvm *mvm)
{ … }

void iwl_mvm_rx_bt_coex_notif(struct iwl_mvm *mvm,
			      struct iwl_rx_cmd_buffer *rxb)
{ … }

void iwl_mvm_bt_rssi_event(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
			   enum ieee80211_rssi_event_data rssi_event)
{ … }

#define LINK_QUAL_AGG_TIME_LIMIT_DEF …
#define LINK_QUAL_AGG_TIME_LIMIT_BT_ACT …

u16 iwl_mvm_coex_agg_time_limit(struct iwl_mvm *mvm,
				struct ieee80211_sta *sta)
{ … }

bool iwl_mvm_bt_coex_is_mimo_allowed(struct iwl_mvm *mvm,
				     struct ieee80211_sta *sta)
{ … }

bool iwl_mvm_bt_coex_is_ant_avail(struct iwl_mvm *mvm, u8 ant)
{ … }

bool iwl_mvm_bt_coex_is_shared_ant_avail(struct iwl_mvm *mvm)
{ … }

bool iwl_mvm_bt_coex_is_tpc_allowed(struct iwl_mvm *mvm,
				    enum nl80211_band band)
{ … }

u8 iwl_mvm_bt_coex_get_single_ant_msk(struct iwl_mvm *mvm, u8 enabled_ants)
{ … }

u8 iwl_mvm_bt_coex_tx_prio(struct iwl_mvm *mvm, struct ieee80211_hdr *hdr,
			   struct ieee80211_tx_info *info, u8 ac)
{ … }

void iwl_mvm_bt_coex_vif_change(struct iwl_mvm *mvm)
{ … }