summaryrefslogtreecommitdiffstats
path: root/drivers/net/bfin_mac.h
blob: 1ae7b82ceeee716b98c18f7f42d4cd6a6f8ccc74 (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
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
/*
 * Blackfin On-Chip MAC Driver
 *
 * Copyright 2004-2007 Analog Devices Inc.
 *
 * Enter bugs at http://blackfin.uclinux.org/
 *
 * Licensed under the GPL-2 or later.
 */
#ifndef _BFIN_MAC_H_
#define _BFIN_MAC_H_

#include <linux/net_tstamp.h>
#include <linux/clocksource.h>
#include <linux/timecompare.h>

#define BFIN_MAC_CSUM_OFFLOAD

struct dma_descriptor {
	struct dma_descriptor *next_dma_desc;
	unsigned long start_addr;
	unsigned short config;
	unsigned short x_count;
};

struct status_area_rx {
#if defined(BFIN_MAC_CSUM_OFFLOAD)
	unsigned short ip_hdr_csum;	/* ip header checksum */
	/* ip payload(udp or tcp or others) checksum */
	unsigned short ip_payload_csum;
#endif
	unsigned long status_word;	/* the frame status word */
};

struct status_area_tx {
	unsigned long status_word;	/* the frame status word */
};

/* use two descriptors for a packet */
struct net_dma_desc_rx {
	struct net_dma_desc_rx *next;
	struct sk_buff *skb;
	struct dma_descriptor desc_a;
	struct dma_descriptor desc_b;
	struct status_area_rx status;
};

/* use two descriptors for a packet */
struct net_dma_desc_tx {
	struct net_dma_desc_tx *next;
	struct sk_buff *skb;
	struct dma_descriptor desc_a;
	struct dma_descriptor desc_b;
	unsigned char packet[1560];
	struct status_area_tx status;
};

struct bfin_mac_local {
	/*
	 * these are things that the kernel wants me to keep, so users
	 * can find out semi-useless statistics of how well the card is
	 * performing
	 */
	struct net_device_stats stats;

	unsigned char Mac[6];	/* MAC address of the board */
	spinlock_t lock;

	int wol;		/* Wake On Lan */
	int irq_wake_requested;

	/* MII and PHY stuffs */
	int old_link;          /* used by bf537_adjust_link */
	int old_speed;
	int old_duplex;

	struct phy_device *phydev;
	struct mii_bus *mii_bus;

#if defined(CONFIG_BFIN_MAC_USE_HWSTAMP)
	struct cyclecounter cycles;
	struct timecounter clock;
	struct timecompare compare;
	struct hwtstamp_config stamp_cfg;
#endif
};

extern void bfin_get_ether_addr(char *addr);

#endif
OpenPOWER on IntegriCloud