blob: 2883a5899ae29e41a54837bc753f2bec9a477781 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/* SPDX-License-Identifier: GPL-2.0+ */
/* Copyright (c) 2024 Hisilicon Limited. */
#ifndef __HBG_TXRX_H
#define __HBG_TXRX_H
#include <linux/etherdevice.h>
#include "hbg_hw.h"
static inline u32 hbg_spec_max_frame_len(struct hbg_priv *priv,
enum hbg_dir dir)
{
return (dir == HBG_DIR_TX) ? priv->dev_specs.max_frame_len :
priv->dev_specs.rx_buf_size;
}
static inline u32 hbg_get_spec_fifo_max_num(struct hbg_priv *priv,
enum hbg_dir dir)
{
return (dir == HBG_DIR_TX) ? priv->dev_specs.tx_fifo_num :
priv->dev_specs.rx_fifo_num;
}
static inline bool hbg_fifo_is_full(struct hbg_priv *priv, enum hbg_dir dir)
{
return hbg_hw_get_fifo_used_num(priv, dir) >=
hbg_get_spec_fifo_max_num(priv, dir);
}
static inline u32 hbg_get_queue_used_num(struct hbg_ring *ring)
{
return (ring->ntu + ring->len - ring->ntc) % ring->len;
}
netdev_tx_t hbg_net_start_xmit(struct sk_buff *skb, struct net_device *netdev);
int hbg_txrx_init(struct hbg_priv *priv);
void hbg_txrx_uninit(struct hbg_priv *priv);
#endif
|
