40 lines
1.0 KiB
C
40 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/* Copyright (c) 2024 Hisilicon Limited. */
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#ifndef __HBG_TXRX_H
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#define __HBG_TXRX_H
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#include <linux/etherdevice.h>
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#include "hbg_hw.h"
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static inline u32 hbg_spec_max_frame_len(struct hbg_priv *priv,
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enum hbg_dir dir)
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{
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return (dir == HBG_DIR_TX) ? priv->dev_specs.max_frame_len :
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priv->dev_specs.rx_buf_size;
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}
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static inline u32 hbg_get_spec_fifo_max_num(struct hbg_priv *priv,
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enum hbg_dir dir)
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{
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return (dir == HBG_DIR_TX) ? priv->dev_specs.tx_fifo_num :
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priv->dev_specs.rx_fifo_num;
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}
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static inline bool hbg_fifo_is_full(struct hbg_priv *priv, enum hbg_dir dir)
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{
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return hbg_hw_get_fifo_used_num(priv, dir) >=
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hbg_get_spec_fifo_max_num(priv, dir);
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}
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static inline u32 hbg_get_queue_used_num(struct hbg_ring *ring)
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{
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return (ring->ntu + ring->len - ring->ntc) % ring->len;
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}
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netdev_tx_t hbg_net_start_xmit(struct sk_buff *skb, struct net_device *netdev);
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int hbg_txrx_init(struct hbg_priv *priv);
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void hbg_txrx_uninit(struct hbg_priv *priv);
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#endif
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