/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* O(1) TX queue with built-in allocator.
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*
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* Copyright (c) 2017-2020, Silicon Laboratories, Inc.
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* Copyright (c) 2010, ST-Ericsson
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*/
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#ifndef WFX_QUEUE_H
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#define WFX_QUEUE_H
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#include <linux/skbuff.h>
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#include <linux/atomic.h>
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struct wfx_dev;
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struct wfx_vif;
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struct wfx_queue {
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struct sk_buff_head normal;
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struct sk_buff_head cab; // Content After (DTIM) Beacon
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atomic_t pending_frames;
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int priority;
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};
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void wfx_tx_lock(struct wfx_dev *wdev);
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void wfx_tx_unlock(struct wfx_dev *wdev);
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void wfx_tx_flush(struct wfx_dev *wdev);
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void wfx_tx_lock_flush(struct wfx_dev *wdev);
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void wfx_tx_queues_init(struct wfx_vif *wvif);
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void wfx_tx_queues_check_empty(struct wfx_vif *wvif);
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bool wfx_tx_queues_has_cab(struct wfx_vif *wvif);
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void wfx_tx_queues_put(struct wfx_vif *wvif, struct sk_buff *skb);
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struct hif_msg *wfx_tx_queues_get(struct wfx_dev *wdev);
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bool wfx_tx_queue_empty(struct wfx_vif *wvif, struct wfx_queue *queue);
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void wfx_tx_queue_drop(struct wfx_vif *wvif, struct wfx_queue *queue,
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struct sk_buff_head *dropped);
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struct sk_buff *wfx_pending_get(struct wfx_dev *wdev, u32 packet_id);
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void wfx_pending_drop(struct wfx_dev *wdev, struct sk_buff_head *dropped);
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unsigned int wfx_pending_get_pkt_us_delay(struct wfx_dev *wdev,
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struct sk_buff *skb);
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void wfx_pending_dump_old_frames(struct wfx_dev *wdev, unsigned int limit_ms);
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#endif /* WFX_QUEUE_H */
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