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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/*
* net/dsa/dsa_priv.h - Hardware switch handling
* Copyright (c) 2008 Marvell Semiconductor
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef __DSA_PRIV_H
#define __DSA_PRIV_H
#include <linux/list.h>
#include <linux/phy.h>
#include <linux/timer.h>
#include <linux/workqueue.h>
#include <net/dsa.h>
struct dsa_switch {
/*
* Configuration data for the platform device that owns
* this dsa switch instance.
*/
struct dsa_platform_data *pd;
/*
* References to network device and mii bus to use.
*/
struct net_device *master_netdev;
struct mii_bus *master_mii_bus;
/*
* The used switch driver and frame tagging type.
*/
struct dsa_switch_driver *drv;
__be16 tag_protocol;
/*
* Slave mii_bus and devices for the individual ports.
*/
int cpu_port;
u32 valid_port_mask;
struct mii_bus *slave_mii_bus;
struct net_device *ports[DSA_MAX_PORTS];
/*
* Link state polling.
*/
struct work_struct link_poll_work;
struct timer_list link_poll_timer;
};
struct dsa_slave_priv {
struct net_device *dev;
struct dsa_switch *parent;
int port;
struct phy_device *phy;
};
struct dsa_switch_driver {
struct list_head list;
__be16 tag_protocol;
int priv_size;
/*
* Probing and setup.
*/
char *(*probe)(struct mii_bus *bus, int sw_addr);
int (*setup)(struct dsa_switch *ds);
int (*set_addr)(struct dsa_switch *ds, u8 *addr);
/*
* Access to the switch's PHY registers.
*/
int (*phy_read)(struct dsa_switch *ds, int port, int regnum);
int (*phy_write)(struct dsa_switch *ds, int port,
int regnum, u16 val);
/*
* Link state polling and IRQ handling.
*/
void (*poll_link)(struct dsa_switch *ds);
/*
* ethtool hardware statistics.
*/
void (*get_strings)(struct dsa_switch *ds, int port, uint8_t *data);
void (*get_ethtool_stats)(struct dsa_switch *ds,
int port, uint64_t *data);
int (*get_sset_count)(struct dsa_switch *ds);
};
/* dsa.c */
extern char dsa_driver_version[];
void register_switch_driver(struct dsa_switch_driver *type);
void unregister_switch_driver(struct dsa_switch_driver *type);
/* slave.c */
void dsa_slave_mii_bus_init(struct dsa_switch *ds);
struct net_device *dsa_slave_create(struct dsa_switch *ds,
struct device *parent,
int port, char *name);
/* tag_dsa.c */
int dsa_xmit(struct sk_buff *skb, struct net_device *dev);
/* tag_edsa.c */
int edsa_xmit(struct sk_buff *skb, struct net_device *dev);
/* tag_trailer.c */
int trailer_xmit(struct sk_buff *skb, struct net_device *dev);
#endif
|
