queue.h 1.4 KB

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  1. /* SPDX-License-Identifier: GPL-2.0-only */
  2. /*
  3. * Queue between the tx operation and the bh workqueue.
  4. *
  5. * Copyright (c) 2017-2020, Silicon Laboratories, Inc.
  6. * Copyright (c) 2010, ST-Ericsson
  7. */
  8. #ifndef WFX_QUEUE_H
  9. #define WFX_QUEUE_H
  10. #include <linux/skbuff.h>
  11. #include <linux/atomic.h>
  12. struct wfx_dev;
  13. struct wfx_vif;
  14. struct wfx_queue {
  15. struct sk_buff_head normal;
  16. struct sk_buff_head cab; /* Content After (DTIM) Beacon */
  17. atomic_t pending_frames;
  18. int priority;
  19. };
  20. void wfx_tx_lock(struct wfx_dev *wdev);
  21. void wfx_tx_unlock(struct wfx_dev *wdev);
  22. void wfx_tx_flush(struct wfx_dev *wdev);
  23. void wfx_tx_lock_flush(struct wfx_dev *wdev);
  24. void wfx_tx_queues_init(struct wfx_vif *wvif);
  25. void wfx_tx_queues_check_empty(struct wfx_vif *wvif);
  26. bool wfx_tx_queues_has_cab(struct wfx_vif *wvif);
  27. void wfx_tx_queues_put(struct wfx_vif *wvif, struct sk_buff *skb);
  28. struct wfx_hif_msg *wfx_tx_queues_get(struct wfx_dev *wdev);
  29. bool wfx_tx_queue_empty(struct wfx_vif *wvif, struct wfx_queue *queue);
  30. void wfx_tx_queue_drop(struct wfx_vif *wvif, struct wfx_queue *queue,
  31. struct sk_buff_head *dropped);
  32. struct sk_buff *wfx_pending_get(struct wfx_dev *wdev, u32 packet_id);
  33. void wfx_pending_drop(struct wfx_dev *wdev, struct sk_buff_head *dropped);
  34. unsigned int wfx_pending_get_pkt_us_delay(struct wfx_dev *wdev, struct sk_buff *skb);
  35. void wfx_pending_dump_old_frames(struct wfx_dev *wdev, unsigned int limit_ms);
  36. #endif