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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Datapath implementation.
*
* Copyright (c) 2017-2019, Silicon Laboratories, Inc.
* Copyright (c) 2010, ST-Ericsson
*/
#ifndef WFX_DATA_TX_H
#define WFX_DATA_TX_H
#include <linux/list.h>
#include <net/mac80211.h>
#include "hif_api_cmd.h"
#include "hif_api_mib.h"
struct wfx_tx_priv;
struct wfx_dev;
struct wfx_vif;
struct tx_policy {
struct list_head link;
int usage_count;
u8 rates[12];
bool uploaded;
};
struct tx_policy_cache {
struct tx_policy cache[HIF_TX_RETRY_POLICY_MAX];
// FIXME: use a trees and drop hash from tx_policy
struct list_head used;
struct list_head free;
spinlock_t lock;
};
struct wfx_tx_priv {
ktime_t xmit_timestamp;
struct ieee80211_key_conf *hw_key;
} __packed;
void wfx_tx_policy_init(struct wfx_vif *wvif);
void wfx_tx_policy_upload_work(struct work_struct *work);
void wfx_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
struct sk_buff *skb);
void wfx_tx_confirm_cb(struct wfx_dev *wdev, const struct hif_cnf_tx *arg);
void wfx_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
u32 queues, bool drop);
static inline struct wfx_tx_priv *wfx_skb_tx_priv(struct sk_buff *skb)
{
struct ieee80211_tx_info *tx_info;
if (!skb)
return NULL;
tx_info = IEEE80211_SKB_CB(skb);
return (struct wfx_tx_priv *)tx_info->rate_driver_data;
}
static inline struct hif_req_tx *wfx_skb_txreq(struct sk_buff *skb)
{
struct hif_msg *hif = (struct hif_msg *)skb->data;
struct hif_req_tx *req = (struct hif_req_tx *)hif->body;
return req;
}
#endif /* WFX_DATA_TX_H */
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