net/dsa/dsa_priv.h

   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
  85 #endif