1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Datapath 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 tx_policy { 22 struct list_head link; 23 int usage_count; 24 u8 rates[12]; 25 bool uploaded; 26 }; 27 28 struct tx_policy_cache { 29 struct 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 }; 39 40 void wfx_tx_policy_init(struct wfx_vif *wvif); 41 void wfx_tx_policy_upload_work(struct work_struct *work); 42 43 void wfx_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, 44 struct sk_buff *skb); 45 void wfx_tx_confirm_cb(struct wfx_dev *wdev, const struct hif_cnf_tx *arg); 46 void wfx_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 47 u32 queues, bool drop); 48 wfx_skb_tx_priv(struct sk_buff * skb)49static inline struct wfx_tx_priv *wfx_skb_tx_priv(struct sk_buff *skb) 50 { 51 struct ieee80211_tx_info *tx_info; 52 53 if (!skb) 54 return NULL; 55 tx_info = IEEE80211_SKB_CB(skb); 56 return (struct wfx_tx_priv *)tx_info->rate_driver_data; 57 } 58 wfx_skb_txreq(struct sk_buff * skb)59static inline struct hif_req_tx *wfx_skb_txreq(struct sk_buff *skb) 60 { 61 struct hif_msg *hif = (struct hif_msg *)skb->data; 62 struct hif_req_tx *req = (struct hif_req_tx *)hif->body; 63 64 return req; 65 } 66 67 #endif /* WFX_DATA_TX_H */ 68
