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         DSA_NOTIFIER_VLAN_ADD,
  28         DSA_NOTIFIER_VLAN_DEL,
  29 };
  30
  31 /* DSA_NOTIFIER_AGEING_TIME */
  32 struct dsa_notifier_ageing_time_info {
  33         struct switchdev_trans *trans;
  34         unsigned int ageing_time;
  35 };
  36
  37 /* DSA_NOTIFIER_BRIDGE_* */
  38 struct dsa_notifier_bridge_info {
  39         struct net_device *br;
  40         int sw_index;
  41         int port;
  42 };
  43
  44 /* DSA_NOTIFIER_FDB_* */
  45 struct 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_* */
  53 struct 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_* */
  61 struct 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
  68 struct 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 */
  97 int dsa_cpu_dsa_setup(struct dsa_port *port);
  98 void dsa_cpu_dsa_destroy(struct dsa_port *dport);
  99 const struct dsa_device_ops *dsa_resolve_tag_protocol(int tag_protocol);
 100 int dsa_cpu_port_ethtool_setup(struct dsa_port *cpu_dp);
 101 void dsa_cpu_port_ethtool_restore(struct dsa_port *cpu_dp);
 102 bool dsa_schedule_work(struct work_struct *work);
 103
 104 /* legacy.c */
 105 int dsa_legacy_register(void);
 106 void dsa_legacy_unregister(void);
 107 int 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);
 111 int 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 */
 116 int dsa_port_set_state(struct dsa_port *dp, u8 state,
 117                        struct switchdev_trans *trans);
 118 void dsa_port_set_state_now(struct dsa_port *dp, u8 state);
 119 int dsa_port_bridge_join(struct dsa_port *dp, struct net_device *br);
 120 void dsa_port_bridge_leave(struct dsa_port *dp, struct net_device *br);
 121 int dsa_port_vlan_filtering(struct dsa_port *dp, bool vlan_filtering,
 122                             struct switchdev_trans *trans);
 123 int dsa_port_ageing_time(struct dsa_port *dp, clock_t ageing_clock,
 124                          struct switchdev_trans *trans);
 125 int dsa_port_fdb_add(struct dsa_port *dp, const unsigned char *addr,
 126                      u16 vid);
 127 int dsa_port_fdb_del(struct dsa_port *dp, const unsigned char *addr,
 128                      u16 vid);
 129 int dsa_port_mdb_add(struct dsa_port *dp,
 130                      const struct switchdev_obj_port_mdb *mdb,
 131                      struct switchdev_trans *trans);
 132 int dsa_port_mdb_del(struct dsa_port *dp,
 133                      const struct switchdev_obj_port_mdb *mdb);
 134 int dsa_port_vlan_add(struct dsa_port *dp,
 135                       const struct switchdev_obj_port_vlan *vlan,
 136                       struct switchdev_trans *trans);
 137 int dsa_port_vlan_del(struct dsa_port *dp,
 138                       const struct switchdev_obj_port_vlan *vlan);
 139 /* slave.c */
 140 extern const struct dsa_device_ops notag_netdev_ops;
 141 void dsa_slave_mii_bus_init(struct dsa_switch *ds);
 142 void dsa_cpu_port_ethtool_init(struct ethtool_ops *ops);
 143 int dsa_slave_create(struct dsa_port *port, const char *name);
 144 void dsa_slave_destroy(struct net_device *slave_dev);
 145 int dsa_slave_suspend(struct net_device *slave_dev);
 146 int dsa_slave_resume(struct net_device *slave_dev);
 147 int dsa_slave_register_notifier(void);
 148 void dsa_slave_unregister_notifier(void);
 149
 150 /* switch.c */
 151 int dsa_switch_register_notifier(struct dsa_switch *ds);
 152 void dsa_switch_unregister_notifier(struct dsa_switch *ds);
 153
 154 /* tag_brcm.c */
 155 extern const struct dsa_device_ops brcm_netdev_ops;
 156
 157 /* tag_dsa.c */
 158 extern const struct dsa_device_ops dsa_netdev_ops;
 159
 160 /* tag_edsa.c */
 161 extern const struct dsa_device_ops edsa_netdev_ops;
 162
 163 /* tag_ksz.c */
 164 extern const struct dsa_device_ops ksz_netdev_ops;
 165
 166 /* tag_lan9303.c */
 167 extern const struct dsa_device_ops lan9303_netdev_ops;
 168
 169 /* tag_mtk.c */
 170 extern const struct dsa_device_ops mtk_netdev_ops;
 171
 172 /* tag_qca.c */
 173 extern const struct dsa_device_ops qca_netdev_ops;
 174
 175 /* tag_trailer.c */
 176 extern const struct dsa_device_ops trailer_netdev_ops;
 177
 178 static inline struct net_device *dsa_master_netdev(struct dsa_slave_priv *p)
 179 {
 180         return p->dp->cpu_dp->netdev;
 181 }
 182
 183 static inline struct dsa_port *dsa_get_cpu_port(struct dsa_switch_tree *dst)
 184 {
 185         return dst->cpu_dp;
 186 }
 187
 188 #endif