LXR linux/net/dsa/dsa

   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#include <net/dsa.h>
  18
  19enum {
  20        DSA_NOTIFIER_AGEING_TIME,
  21        DSA_NOTIFIER_BRIDGE_JOIN,
  22        DSA_NOTIFIER_BRIDGE_LEAVE,
  23        DSA_NOTIFIER_FDB_ADD,
  24        DSA_NOTIFIER_FDB_DEL,
  25        DSA_NOTIFIER_MDB_ADD,
  26        DSA_NOTIFIER_MDB_DEL,
  27        DSA_NOTIFIER_VLAN_ADD,
  28        DSA_NOTIFIER_VLAN_DEL,
  29};
  30
  31/* DSA_NOTIFIER_AGEING_TIME */
  32struct dsa_notifier_ageing_time_info {
  33        struct switchdev_trans *trans;
  34        unsigned int ageing_time;
  35};
  36
  37/* DSA_NOTIFIER_BRIDGE_* */
  38struct dsa_notifier_bridge_info {
  39        struct net_device *br;
  40        int sw_index;
  41        int port;
  42};
  43
  44/* DSA_NOTIFIER_FDB_* */
  45struct dsa_notifier_fdb_info {
  46        int sw_index;
  47        int port;
  48        const unsigned char *addr;
  49        u16 vid;
  50};
  51
  52/* DSA_NOTIFIER_MDB_* */
  53struct dsa_notifier_mdb_info {
  54        const struct switchdev_obj_port_mdb *mdb;
  55        struct switchdev_trans *trans;
  56        int sw_index;
  57        int port;
  58};
  59
  60/* DSA_NOTIFIER_VLAN_* */
  61struct dsa_notifier_vlan_info {
  62        const struct switchdev_obj_port_vlan *vlan;
  63        struct switchdev_trans *trans;
  64        int sw_index;
  65        int port;
  66};
  67
  68struct dsa_slave_priv {
  69        /* Copy of dp->ds->dst->tag_ops->xmit for faster access in hot path */
  70        struct sk_buff *        (*xmit)(struct sk_buff *skb,
  71                                        struct net_device *dev);
  72
  73        struct pcpu_sw_netstats *stats64;
  74
  75        /* DSA port data, such as switch, port index, etc. */
  76        struct dsa_port         *dp;
  77
  78        /*
  79         * The phylib phy_device pointer for the PHY connected
  80         * to this port.
  81         */
  82        struct phy_device       *phy;
  83        phy_interface_t         phy_interface;
  84        int                     old_link;
  85        int                     old_pause;
  86        int                     old_duplex;
  87
  88#ifdef CONFIG_NET_POLL_CONTROLLER
  89        struct netpoll          *netpoll;
  90#endif
  91
  92        /* TC context */
  93        struct list_head        mall_tc_list;
  94};
  95
  96/* dsa.c */
  97int dsa_cpu_dsa_setup(struct dsa_port *port);
  98void dsa_cpu_dsa_destroy(struct dsa_port *dport);
  99const struct dsa_device_ops *dsa_resolve_tag_protocol(int tag_protocol);
 100int dsa_cpu_port_ethtool_setup(struct dsa_port *cpu_dp);
 101void dsa_cpu_port_ethtool_restore(struct dsa_port *cpu_dp);
 102bool dsa_schedule_work(struct work_struct *work);
 103
 104/* legacy.c */
 105int dsa_legacy_register(void);
 106void dsa_legacy_unregister(void);
 107int dsa_legacy_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
 108                       struct net_device *dev,
 109                       const unsigned char *addr, u16 vid,
 110                       u16 flags);
 111int dsa_legacy_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
 112                       struct net_device *dev,
 113                       const unsigned char *addr, u16 vid);
 114
 115/* port.c */
 116int dsa_port_set_state(struct dsa_port *dp, u8 state,
 117                       struct switchdev_trans *trans);
 118void dsa_port_set_state_now(struct dsa_port *dp, u8 state);
 119int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br);
 120void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br);
 121int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering,
 122                            struct switchdev_trans *trans);
 123int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,
 124                         struct switchdev_trans *trans);
 125int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,
 126                     u16 vid);
 127int dsa_port_fdb_del(struct dsa_port *dp, const unsigned char *addr,
 128                     u16 vid);
 129int dsa_port_mdb_add(struct dsa_port *dp,
 130                     const struct switchdev_obj_port_mdb *mdb,
 131                     struct switchdev_trans *trans);
 132int dsa_port_mdb_del(struct dsa_port *dp,
 133                     const struct switchdev_obj_port_mdb *mdb);
 134int dsa_port_vlan_add(struct dsa_port *dp,
 135                      const struct switchdev_obj_port_vlan *vlan,
 136                      struct switchdev_trans *trans);
 137int dsa_port_vlan_del(struct dsa_port *dp,
 138                      const struct switchdev_obj_port_vlan *vlan);
 139/* slave.c */
 140extern const struct dsa_device_ops notag_netdev_ops;
 141void dsa_slave_mii_bus_init(struct dsa_switch *ds);
 142void dsa_cpu_port_ethtool_init(struct ethtool_ops *ops);
 143int dsa_slave_create(struct dsa_port *port, const char *name);
 144void dsa_slave_destroy(struct net_device *slave_dev);
 145int dsa_slave_suspend(struct net_device *slave_dev);
 146int dsa_slave_resume(struct net_device *slave_dev);
 147int dsa_slave_register_notifier(void);
 148void dsa_slave_unregister_notifier(void);
 149
 150/* switch.c */
 151int dsa_switch_register_notifier(struct dsa_switch *ds);
 152void dsa_switch_unregister_notifier(struct dsa_switch *ds);
 153
 154/* tag_brcm.c */
 155extern const struct dsa_device_ops brcm_netdev_ops;
 156
 157/* tag_dsa.c */
 158extern const struct dsa_device_ops dsa_netdev_ops;
 159
 160/* tag_edsa.c */
 161extern const struct dsa_device_ops edsa_netdev_ops;
 162
 163/* tag_ksz.c */
 164extern const struct dsa_device_ops ksz_netdev_ops;
 165
 166/* tag_lan9303.c */
 167extern const struct dsa_device_ops lan9303_netdev_ops;
 168
 169/* tag_mtk.c */
 170extern const struct dsa_device_ops mtk_netdev_ops;
 171
 172/* tag_qca.c */
 173extern const struct dsa_device_ops qca_netdev_ops;
 174
 175/* tag_trailer.c */
 176extern const struct dsa_device_ops trailer_netdev_ops;
 177
 178static inline struct net_device *dsa_master_netdev(struct dsa_slave_priv *p)
 179{
 180        return p->dp->cpu_dp->netdev;
 181}
 182
 183static inline struct dsa_port *dsa_get_cpu_port(struct dsa_switch_tree *dst)
 184{
 185        return dst->cpu_dp;
 186}
 187
 188#endif
 189