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 #include <net/dsa.h>
  18
  19 enum {
  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 };
  28
  29 /* DSA_NOTIFIER_AGEING_TIME */
  30 struct dsa_notifier_ageing_time_info {
  31         struct switchdev_trans *trans;
  32         unsigned int ageing_time;
  33         int sw_index;
  34 };
  35
  36 /* DSA_NOTIFIER_BRIDGE_* */
  37 struct dsa_notifier_bridge_info {
  38         struct net_device *br;
  39         int sw_index;
  40         int port;
  41 };
  42
  43 /* DSA_NOTIFIER_FDB_* */
  44 struct dsa_notifier_fdb_info {
  45         const struct switchdev_obj_port_fdb *fdb;
  46         struct switchdev_trans *trans;
  47         int sw_index;
  48         int port;
  49 };
  50
  51 /* DSA_NOTIFIER_MDB_* */
  52 struct dsa_notifier_mdb_info {
  53         const struct switchdev_obj_port_mdb *mdb;
  54         struct switchdev_trans *trans;
  55         int sw_index;
  56         int port;
  57 };
  58
  59 struct dsa_device_ops {
  60         struct sk_buff *(*xmit)(struct sk_buff *skb, struct net_device *dev);
  61         struct sk_buff *(*rcv)(struct sk_buff *skb, struct net_device *dev,
  62                                struct packet_type *pt,
  63                                struct net_device *orig_dev);
  64 };
  65
  66 struct dsa_slave_priv {
  67         struct sk_buff *        (*xmit)(struct sk_buff *skb,
  68                                         struct net_device *dev);
  69
  70         /* DSA port data, such as switch, port index, etc. */
  71         struct dsa_port         *dp;
  72
  73         /*
  74          * The phylib phy_device pointer for the PHY connected
  75          * to this port.
  76          */
  77         struct phy_device       *phy;
  78         phy_interface_t         phy_interface;
  79         int                     old_link;
  80         int                     old_pause;
  81         int                     old_duplex;
  82
  83 #ifdef CONFIG_NET_POLL_CONTROLLER
  84         struct netpoll          *netpoll;
  85 #endif
  86
  87         /* TC context */
  88         struct list_head        mall_tc_list;
  89 };
  90
  91 /* dsa.c */
  92 int dsa_cpu_dsa_setup(struct dsa_switch *ds, struct device *dev,
  93                       struct dsa_port *dport, int port);
  94 void dsa_cpu_dsa_destroy(struct dsa_port *dport);
  95 const struct dsa_device_ops *dsa_resolve_tag_protocol(int tag_protocol);
  96 int dsa_cpu_port_ethtool_setup(struct dsa_switch *ds);
  97 void dsa_cpu_port_ethtool_restore(struct dsa_switch *ds);
  98
  99 /* legacy.c */
 100 int dsa_legacy_register(void);
 101 void dsa_legacy_unregister(void);
 102
 103 /* port.c */
 104 int dsa_port_set_state(struct dsa_port *dp, u8 state,
 105                        struct switchdev_trans *trans);
 106 void dsa_port_set_state_now(struct dsa_port *dp, u8 state);
 107 int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br);
 108 void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br);
 109 int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering,
 110                             struct switchdev_trans *trans);
 111 int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,
 112                          struct switchdev_trans *trans);
 113 int dsa_port_fdb_add(struct dsa_port *dp,
 114                      const struct switchdev_obj_port_fdb *fdb,
 115                      struct switchdev_trans *trans);
 116 int dsa_port_fdb_del(struct dsa_port *dp,
 117                      const struct switchdev_obj_port_fdb *fdb);
 118 int dsa_port_fdb_dump(struct dsa_port *dp, struct switchdev_obj_port_fdb *fdb,
 119                       switchdev_obj_dump_cb_t *cb);
 120 int dsa_port_mdb_add(struct dsa_port *dp,
 121                      const struct switchdev_obj_port_mdb *mdb,
 122                      struct switchdev_trans *trans);
 123 int dsa_port_mdb_del(struct dsa_port *dp,
 124                      const struct switchdev_obj_port_mdb *mdb);
 125 int dsa_port_mdb_dump(struct dsa_port *dp, struct switchdev_obj_port_mdb *mdb,
 126                       switchdev_obj_dump_cb_t *cb);
 127 int dsa_port_vlan_add(struct dsa_port *dp,
 128                       const struct switchdev_obj_port_vlan *vlan,
 129                       struct switchdev_trans *trans);
 130 int dsa_port_vlan_del(struct dsa_port *dp,
 131                       const struct switchdev_obj_port_vlan *vlan);
 132 int dsa_port_vlan_dump(struct dsa_port *dp,
 133                        struct switchdev_obj_port_vlan *vlan,
 134                        switchdev_obj_dump_cb_t *cb);
 135
 136 /* slave.c */
 137 extern const struct dsa_device_ops notag_netdev_ops;
 138 void dsa_slave_mii_bus_init(struct dsa_switch *ds);
 139 void dsa_cpu_port_ethtool_init(struct ethtool_ops *ops);
 140 int dsa_slave_create(struct dsa_switch *ds, struct device *parent,
 141                      int port, const char *name);
 142 void dsa_slave_destroy(struct net_device *slave_dev);
 143 int dsa_slave_suspend(struct net_device *slave_dev);
 144 int dsa_slave_resume(struct net_device *slave_dev);
 145 int dsa_slave_register_notifier(void);
 146 void dsa_slave_unregister_notifier(void);
 147
 148 /* switch.c */
 149 int dsa_switch_register_notifier(struct dsa_switch *ds);
 150 void dsa_switch_unregister_notifier(struct dsa_switch *ds);
 151
 152 /* tag_brcm.c */
 153 extern const struct dsa_device_ops brcm_netdev_ops;
 154
 155 /* tag_dsa.c */
 156 extern const struct dsa_device_ops dsa_netdev_ops;
 157
 158 /* tag_edsa.c */
 159 extern const struct dsa_device_ops edsa_netdev_ops;
 160
 161 /* tag_lan9303.c */
 162 extern const struct dsa_device_ops lan9303_netdev_ops;
 163
 164 /* tag_mtk.c */
 165 extern const struct dsa_device_ops mtk_netdev_ops;
 166
 167 /* tag_qca.c */
 168 extern const struct dsa_device_ops qca_netdev_ops;
 169
 170 /* tag_trailer.c */
 171 extern const struct dsa_device_ops trailer_netdev_ops;
 172
 173 #endif