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Lennert Buytenhek91da11f2008-10-07 13:44:02 +00001/*
2 * net/dsa/dsa_priv.h - Hardware switch handling
3 * Copyright (c) 2008 Marvell Semiconductor
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 */
10
11#ifndef __DSA_PRIV_H
12#define __DSA_PRIV_H
13
14#include <linux/list.h>
15#include <linux/phy.h>
16#include <linux/timer.h>
17#include <linux/workqueue.h>
18#include <net/dsa.h>
19
20struct dsa_switch {
21 /*
22 * Configuration data for the platform device that owns
23 * this dsa switch instance.
24 */
25 struct dsa_platform_data *pd;
26
27 /*
28 * References to network device and mii bus to use.
29 */
30 struct net_device *master_netdev;
31 struct mii_bus *master_mii_bus;
32
33 /*
34 * The used switch driver and frame tagging type.
35 */
36 struct dsa_switch_driver *drv;
37 __be16 tag_protocol;
38
39 /*
40 * Slave mii_bus and devices for the individual ports.
41 */
42 int cpu_port;
43 u32 valid_port_mask;
44 struct mii_bus *slave_mii_bus;
45 struct net_device *ports[DSA_MAX_PORTS];
46
47 /*
48 * Link state polling.
49 */
50 struct work_struct link_poll_work;
51 struct timer_list link_poll_timer;
52};
53
54struct dsa_slave_priv {
55 struct net_device *dev;
56 struct dsa_switch *parent;
57 int port;
58 struct phy_device *phy;
59};
60
61struct dsa_switch_driver {
62 struct list_head list;
63
64 __be16 tag_protocol;
65 int priv_size;
66
67 /*
68 * Probing and setup.
69 */
70 char *(*probe)(struct mii_bus *bus, int sw_addr);
71 int (*setup)(struct dsa_switch *ds);
72 int (*set_addr)(struct dsa_switch *ds, u8 *addr);
73
74 /*
75 * Access to the switch's PHY registers.
76 */
77 int (*phy_read)(struct dsa_switch *ds, int port, int regnum);
78 int (*phy_write)(struct dsa_switch *ds, int port,
79 int regnum, u16 val);
80
81 /*
82 * Link state polling and IRQ handling.
83 */
84 void (*poll_link)(struct dsa_switch *ds);
85
86 /*
87 * ethtool hardware statistics.
88 */
89 void (*get_strings)(struct dsa_switch *ds, int port, uint8_t *data);
90 void (*get_ethtool_stats)(struct dsa_switch *ds,
91 int port, uint64_t *data);
92 int (*get_sset_count)(struct dsa_switch *ds);
93};
94
95/* dsa.c */
96extern char dsa_driver_version[];
97void register_switch_driver(struct dsa_switch_driver *type);
98void unregister_switch_driver(struct dsa_switch_driver *type);
99
100/* slave.c */
101void dsa_slave_mii_bus_init(struct dsa_switch *ds);
102struct net_device *dsa_slave_create(struct dsa_switch *ds,
103 struct device *parent,
104 int port, char *name);
105
Lennert Buytenhekcf85d082008-10-07 13:45:02 +0000106/* tag_dsa.c */
107int dsa_xmit(struct sk_buff *skb, struct net_device *dev);
108
Lennert Buytenhek91da11f2008-10-07 13:44:02 +0000109/* tag_edsa.c */
110int edsa_xmit(struct sk_buff *skb, struct net_device *dev);
111
Lennert Buytenhek396138f2008-10-07 13:46:07 +0000112/* tag_trailer.c */
113int trailer_xmit(struct sk_buff *skb, struct net_device *dev);
114
Lennert Buytenhek91da11f2008-10-07 13:44:02 +0000115
116#endif