1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * O(1) TX queue with built-in allocator.
5 * Copyright (c) 2017-2018, Silicon Laboratories, Inc.
6 * Copyright (c) 2010, ST-Ericsson
11 #include <linux/skbuff.h>
12 #include <linux/atomic.h>
18 struct sk_buff_head normal;
19 struct sk_buff_head cab; // Content After (DTIM) Beacon
20 atomic_t pending_frames;
23 void wfx_tx_lock(struct wfx_dev *wdev);
24 void wfx_tx_unlock(struct wfx_dev *wdev);
25 void wfx_tx_flush(struct wfx_dev *wdev);
26 void wfx_tx_lock_flush(struct wfx_dev *wdev);
28 void wfx_tx_queues_init(struct wfx_vif *wvif);
29 void wfx_tx_queues_check_empty(struct wfx_vif *wvif);
30 bool wfx_tx_queues_has_cab(struct wfx_vif *wvif);
31 void wfx_tx_queues_put(struct wfx_vif *wvif, struct sk_buff *skb);
32 struct hif_msg *wfx_tx_queues_get(struct wfx_dev *wdev);
34 bool wfx_tx_queue_empty(struct wfx_vif *wvif, struct wfx_queue *queue);
35 void wfx_tx_queue_drop(struct wfx_vif *wvif, struct wfx_queue *queue,
36 struct sk_buff_head *dropped);
38 struct sk_buff *wfx_pending_get(struct wfx_dev *wdev, u32 packet_id);
39 void wfx_pending_drop(struct wfx_dev *wdev, struct sk_buff_head *dropped);
40 unsigned int wfx_pending_get_pkt_us_delay(struct wfx_dev *wdev,
42 void wfx_pending_dump_old_frames(struct wfx_dev *wdev, unsigned int limit_ms);
44 #endif /* WFX_QUEUE_H */