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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* O(1) TX queue with built-in allocator.
*
* Copyright (c) 2017-2018, Silicon Laboratories, Inc.
* Copyright (c) 2010, ST-Ericsson
*/
#ifndef WFX_QUEUE_H
#define WFX_QUEUE_H
#include <linux/skbuff.h>
#include <linux/atomic.h>
#include "hif_api_cmd.h"
#define WFX_MAX_STA_IN_AP_MODE 14
#define WFX_LINK_ID_NO_ASSOC 15
struct wfx_dev;
struct wfx_vif;
struct wfx_queue {
struct sk_buff_head normal;
struct sk_buff_head cab; // Content After (DTIM) Beacon
atomic_t pending_frames;
};
void wfx_tx_lock(struct wfx_dev *wdev);
void wfx_tx_unlock(struct wfx_dev *wdev);
void wfx_tx_flush(struct wfx_dev *wdev);
void wfx_tx_lock_flush(struct wfx_dev *wdev);
void wfx_tx_queues_init(struct wfx_dev *wdev);
void wfx_tx_queues_deinit(struct wfx_dev *wdev);
void wfx_tx_queues_clear(struct wfx_dev *wdev);
bool wfx_tx_queues_empty(struct wfx_dev *wdev);
bool wfx_tx_queues_has_cab(struct wfx_vif *wvif);
void wfx_tx_queues_wait_empty_vif(struct wfx_vif *wvif);
void wfx_tx_queues_put(struct wfx_dev *wdev, struct sk_buff *skb);
struct hif_msg *wfx_tx_queues_get(struct wfx_dev *wdev);
struct sk_buff *wfx_pending_get(struct wfx_dev *wdev, u32 packet_id);
int wfx_pending_remove(struct wfx_dev *wdev, struct sk_buff *skb);
int wfx_pending_requeue(struct wfx_dev *wdev, struct sk_buff *skb);
unsigned int wfx_pending_get_pkt_us_delay(struct wfx_dev *wdev,
struct sk_buff *skb);
void wfx_pending_dump_old_frames(struct wfx_dev *wdev, unsigned int limit_ms);
#endif /* WFX_QUEUE_H */
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