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1 /*
2  * net/dsa/dsa_priv.h - Hardware switch handling
3  * Copyright (c) 2008-2009 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/phy.h>
15 #include <linux/netdevice.h>
16 #include <linux/netpoll.h>
17 
18 struct dsa_device_ops {
19 	struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev);
20 	int (*rcv)(struct sk_buff *skb, struct net_device *dev,
21 		   struct packet_type *pt, struct net_device *orig_dev);
22 };
23 
24 struct dsa_slave_priv {
25 	struct sk_buff *	(*xmit)(struct sk_buff *skb,
26 					struct net_device *dev);
27 
28 	/*
29 	 * Which switch this port is a part of, and the port index
30 	 * for this port.
31 	 */
32 	struct dsa_switch	*parent;
33 	u8			port;
34 
35 	/*
36 	 * The phylib phy_device pointer for the PHY connected
37 	 * to this port.
38 	 */
39 	struct phy_device	*phy;
40 	phy_interface_t		phy_interface;
41 	int			old_link;
42 	int			old_pause;
43 	int			old_duplex;
44 
45 	struct net_device	*bridge_dev;
46 #ifdef CONFIG_NET_POLL_CONTROLLER
47 	struct netpoll		*netpoll;
48 #endif
49 };
50 
51 /* dsa.c */
52 extern char dsa_driver_version[];
53 int dsa_cpu_dsa_setup(struct dsa_switch *ds, struct device *dev,
54 		      struct device_node *port_dn, int port);
55 void dsa_cpu_dsa_destroy(struct device_node *port_dn);
56 const struct dsa_device_ops *dsa_resolve_tag_protocol(int tag_protocol);
57 int dsa_cpu_port_ethtool_setup(struct dsa_switch *ds);
58 void dsa_cpu_port_ethtool_restore(struct dsa_switch *ds);
59 
60 /* slave.c */
61 extern const struct dsa_device_ops notag_netdev_ops;
62 void dsa_slave_mii_bus_init(struct dsa_switch *ds);
63 void dsa_cpu_port_ethtool_init(struct ethtool_ops *ops);
64 int dsa_slave_create(struct dsa_switch *ds, struct device *parent,
65 		     int port, const char *name);
66 void dsa_slave_destroy(struct net_device *slave_dev);
67 int dsa_slave_suspend(struct net_device *slave_dev);
68 int dsa_slave_resume(struct net_device *slave_dev);
69 int dsa_slave_netdevice_event(struct notifier_block *unused,
70 			      unsigned long event, void *ptr);
71 
72 /* tag_dsa.c */
73 extern const struct dsa_device_ops dsa_netdev_ops;
74 
75 /* tag_edsa.c */
76 extern const struct dsa_device_ops edsa_netdev_ops;
77 
78 /* tag_trailer.c */
79 extern const struct dsa_device_ops trailer_netdev_ops;
80 
81 /* tag_brcm.c */
82 extern const struct dsa_device_ops brcm_netdev_ops;
83 
84 /* tag_qca.c */
85 extern const struct dsa_device_ops qca_netdev_ops;
86 
87 #endif
88