| /* 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> |
| |
| 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_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 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 /* WFX_QUEUE_H */ |
