1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Data transmitting implementation.
4  *
5  * Copyright (c) 2017-2020, Silicon Laboratories, Inc.
6  * Copyright (c) 2010, ST-Ericsson
7  */
8 #ifndef WFX_DATA_TX_H
9 #define WFX_DATA_TX_H
10 
11 #include <linux/list.h>
12 #include <net/mac80211.h>
13 
14 #include "hif_api_cmd.h"
15 #include "hif_api_mib.h"
16 
17 struct wfx_tx_priv;
18 struct wfx_dev;
19 struct wfx_vif;
20 
21 struct wfx_tx_policy {
22 	struct list_head link;
23 	int usage_count;
24 	u8 rates[12];
25 	bool uploaded;
26 };
27 
28 struct wfx_tx_policy_cache {
29 	struct wfx_tx_policy cache[HIF_TX_RETRY_POLICY_MAX];
30 	/* FIXME: use a trees and drop hash from tx_policy */
31 	struct list_head used;
32 	struct list_head free;
33 	spinlock_t lock;
34 };
35 
36 struct wfx_tx_priv {
37 	ktime_t xmit_timestamp;
38 	unsigned char icv_size;
39 };
40 
41 void wfx_tx_policy_init(struct wfx_vif *wvif);
42 void wfx_tx_policy_upload_work(struct work_struct *work);
43 
44 void wfx_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, struct sk_buff *skb);
45 void wfx_tx_confirm_cb(struct wfx_dev *wdev, const struct wfx_hif_cnf_tx *arg);
46 void wfx_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u32 queues, bool drop);
47 
wfx_skb_tx_priv(struct sk_buff * skb)48 static inline struct wfx_tx_priv *wfx_skb_tx_priv(struct sk_buff *skb)
49 {
50 	struct ieee80211_tx_info *tx_info;
51 
52 	if (!skb)
53 		return NULL;
54 	tx_info = IEEE80211_SKB_CB(skb);
55 	return (struct wfx_tx_priv *)tx_info->rate_driver_data;
56 }
57 
wfx_skb_txreq(struct sk_buff * skb)58 static inline struct wfx_hif_req_tx *wfx_skb_txreq(struct sk_buff *skb)
59 {
60 	struct wfx_hif_msg *hif = (struct wfx_hif_msg *)skb->data;
61 	struct wfx_hif_req_tx *req = (struct wfx_hif_req_tx *)hif->body;
62 
63 	return req;
64 }
65 
66 #endif
67