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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * Queue between the tx operation and the bh workqueue.
- *
- * Copyright (c) 2017-2020, Silicon Laboratories, Inc.
- * Copyright (c) 2010, ST-Ericsson
- */
- #ifndef WFX_QUEUE_H
- #define WFX_QUEUE_H
- #include <linux/skbuff.h>
- #include <linux/atomic.h>
- struct wfx_dev;
- struct wfx_vif;
- struct wfx_queue {
- struct sk_buff_head normal;
- struct sk_buff_head cab; /* Content After (DTIM) Beacon */
- struct sk_buff_head offchan;
- atomic_t pending_frames;
- int priority;
- };
- 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_vif *wvif);
- void wfx_tx_queues_check_empty(struct wfx_vif *wvif);
- bool wfx_tx_queues_has_cab(struct wfx_vif *wvif);
- void wfx_tx_queues_put(struct wfx_vif *wvif, struct sk_buff *skb);
- struct wfx_hif_msg *wfx_tx_queues_get(struct wfx_dev *wdev);
- bool wfx_tx_queue_empty(struct wfx_vif *wvif, struct wfx_queue *queue);
- void wfx_tx_queue_drop(struct wfx_vif *wvif, struct wfx_queue *queue,
- struct sk_buff_head *dropped);
- struct sk_buff *wfx_pending_get(struct wfx_dev *wdev, u32 packet_id);
- void wfx_pending_drop(struct wfx_dev *wdev, struct sk_buff_head *dropped);
- 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
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