mirror of
https://github.com/torvalds/linux.git
synced 2025-11-04 02:30:34 +02:00
396138f03f
This adds support for the Trailer switch tagging format. This is another tagging that doesn't explicitly mark tagged packets with a distinct ethertype, so that we need to add a similar hack in the receive path as for the Original DSA tagging format. Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Tested-by: Byron Bradley <byron.bbradley@gmail.com> Tested-by: Tim Ellis <tim.ellis@mac.com> Signed-off-by: David S. Miller <davem@davemloft.net>
116 lines
2.7 KiB
C
116 lines
2.7 KiB
C
/*
|
|
* 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
|