time-event.c | Explore in Territory

// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
 * Copyright (C) 2012-2014, 2018-2024 Intel Corporation
 * Copyright (C) 2013-2015 Intel Mobile Communications GmbH
 * Copyright (C) 2017 Intel Deutschland GmbH
 */
#include <linux/jiffies.h>
#include <net/mac80211.h>

#include "fw/notif-wait.h"
#include "iwl-trans.h"
#include "fw-api.h"
#include "time-event.h"
#include "mvm.h"
#include "iwl-io.h"
#include "iwl-prph.h"

/*
 * For the high priority TE use a time event type that has similar priority to
 * the FW's action scan priority.
 */
#define IWL_MVM_ROC_TE_TYPE_NORMAL …
#define IWL_MVM_ROC_TE_TYPE_MGMT_TX …

void iwl_mvm_te_clear_data(struct iwl_mvm *mvm,
			   struct iwl_mvm_time_event_data *te_data)
{ … }

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

void iwl_mvm_roc_done_wk(struct work_struct *wk)
{ … }

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

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

static bool iwl_mvm_te_check_disconnect(struct iwl_mvm *mvm,
					struct ieee80211_vif *vif,
					const char *errmsg)
{ … }

static void
iwl_mvm_te_handle_notify_csa(struct iwl_mvm *mvm,
			     struct iwl_mvm_time_event_data *te_data,
			     struct iwl_time_event_notif *notif)
{ … }

static void iwl_mvm_te_check_trigger(struct iwl_mvm *mvm,
				     struct iwl_time_event_notif *notif,
				     struct iwl_mvm_time_event_data *te_data)
{ … }

/*
 * Handles a FW notification for an event that is known to the driver.
 *
 * @mvm: the mvm component
 * @te_data: the time event data
 * @notif: the notification data corresponding the time event data.
 */
static void iwl_mvm_te_handle_notif(struct iwl_mvm *mvm,
				    struct iwl_mvm_time_event_data *te_data,
				    struct iwl_time_event_notif *notif)
{ … }

struct iwl_mvm_rx_roc_iterator_data { … };

static void iwl_mvm_rx_roc_iterator(void *_data, u8 *mac,
				    struct ieee80211_vif *vif)
{ … }

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

/*
 * Handle A Aux ROC time event
 */
static int iwl_mvm_aux_roc_te_handle_notif(struct iwl_mvm *mvm,
					   struct iwl_time_event_notif *notif)
{ … }

/*
 * The Rx handler for time event notifications
 */
void iwl_mvm_rx_time_event_notif(struct iwl_mvm *mvm,
				 struct iwl_rx_cmd_buffer *rxb)
{ … }

static bool iwl_mvm_te_notif(struct iwl_notif_wait_data *notif_wait,
			     struct iwl_rx_packet *pkt, void *data)
{ … }

static bool iwl_mvm_time_event_response(struct iwl_notif_wait_data *notif_wait,
					struct iwl_rx_packet *pkt, void *data)
{ … }

static int iwl_mvm_time_event_send_add(struct iwl_mvm *mvm,
				       struct ieee80211_vif *vif,
				       struct iwl_mvm_time_event_data *te_data,
				       struct iwl_time_event_cmd *te_cmd)
{ … }

void iwl_mvm_protect_session(struct iwl_mvm *mvm,
			     struct ieee80211_vif *vif,
			     u32 duration, u32 min_duration,
			     u32 max_delay, bool wait_for_notif)
{ … }

/* Determine whether mac or link id should be used, and validate the link id */
static int iwl_mvm_get_session_prot_id(struct iwl_mvm *mvm,
				       struct ieee80211_vif *vif,
				       s8 link_id)
{ … }

static void iwl_mvm_cancel_session_protection(struct iwl_mvm *mvm,
					      struct ieee80211_vif *vif,
					      u32 id, s8 link_id)
{ … }

static void iwl_mvm_roc_rm_cmd(struct iwl_mvm *mvm, u32 activity)
{ … }

static bool __iwl_mvm_remove_time_event(struct iwl_mvm *mvm,
					struct iwl_mvm_time_event_data *te_data,
					u32 *uid)
{ … }

/*
 * Explicit request to remove a aux roc time event. The removal of a time
 * event needs to be synchronized with the flow of a time event's end
 * notification, which also removes the time event from the op mode
 * data structures.
 */
static void iwl_mvm_remove_aux_roc_te(struct iwl_mvm *mvm,
				      struct iwl_mvm_vif *mvmvif,
				      struct iwl_mvm_time_event_data *te_data)
{ … }

/*
 * Explicit request to remove a time event. The removal of a time event needs to
 * be synchronized with the flow of a time event's end notification, which also
 * removes the time event from the op mode data structures.
 */
void iwl_mvm_remove_time_event(struct iwl_mvm *mvm,
			       struct iwl_mvm_vif *mvmvif,
			       struct iwl_mvm_time_event_data *te_data)
{ … }

void iwl_mvm_stop_session_protection(struct iwl_mvm *mvm,
				     struct ieee80211_vif *vif)
{ … }

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

#define AUX_ROC_MIN_DURATION …
#define AUX_ROC_MIN_DELAY …
#define AUX_ROC_MAX_DELAY …
#define AUX_ROC_SAFETY_BUFFER …
#define AUX_ROC_MIN_SAFETY_BUFFER …

void iwl_mvm_roc_duration_and_delay(struct ieee80211_vif *vif,
				    u32 duration_ms,
				    u32 *duration_tu,
				    u32 *delay)
{ … }

int iwl_mvm_roc_add_cmd(struct iwl_mvm *mvm,
			struct ieee80211_channel *channel,
			struct ieee80211_vif *vif,
			int duration, enum iwl_roc_activity activity)
{ … }

static int
iwl_mvm_start_p2p_roc_session_protection(struct iwl_mvm *mvm,
					 struct ieee80211_vif *vif,
					 int duration,
					 enum ieee80211_roc_type type)
{ … }

int iwl_mvm_start_p2p_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
			  int duration, enum ieee80211_roc_type type)
{ … }

static struct iwl_mvm_time_event_data *iwl_mvm_get_roc_te(struct iwl_mvm *mvm)
{ … }

void iwl_mvm_cleanup_roc_te(struct iwl_mvm *mvm)
{ … }

void iwl_mvm_stop_roc(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
{ … }

void iwl_mvm_remove_csa_period(struct iwl_mvm *mvm,
			       struct ieee80211_vif *vif)
{ … }

int iwl_mvm_schedule_csa_period(struct iwl_mvm *mvm,
				struct ieee80211_vif *vif,
				u32 duration, u32 apply_time)
{ … }

static bool iwl_mvm_session_prot_notif(struct iwl_notif_wait_data *notif_wait,
				       struct iwl_rx_packet *pkt, void *data)
{ … }

void iwl_mvm_schedule_session_protection(struct iwl_mvm *mvm,
					 struct ieee80211_vif *vif,
					 u32 duration, u32 min_duration,
					 bool wait_for_notif,
					 unsigned int link_id)
{ … }
linux/drivers/net/wireless/intel/iwlwifi/mvm/time-event.c
