357 lines
9.4 KiB
C
357 lines
9.4 KiB
C
/*
|
|
* include/net/switchdev.h - Switch device API
|
|
* Copyright (c) 2014-2015 Jiri Pirko <jiri@resnulli.us>
|
|
* Copyright (c) 2014-2015 Scott Feldman <sfeldma@gmail.com>
|
|
*
|
|
* 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 _LINUX_SWITCHDEV_H_
|
|
#define _LINUX_SWITCHDEV_H_
|
|
|
|
#include <linux/netdevice.h>
|
|
#include <linux/notifier.h>
|
|
#include <linux/list.h>
|
|
#include <net/ip_fib.h>
|
|
|
|
#define SWITCHDEV_F_NO_RECURSE BIT(0)
|
|
#define SWITCHDEV_F_SKIP_EOPNOTSUPP BIT(1)
|
|
#define SWITCHDEV_F_DEFER BIT(2)
|
|
|
|
struct switchdev_trans_item {
|
|
struct list_head list;
|
|
void *data;
|
|
void (*destructor)(const void *data);
|
|
};
|
|
|
|
struct switchdev_trans {
|
|
struct list_head item_list;
|
|
bool ph_prepare;
|
|
};
|
|
|
|
static inline bool switchdev_trans_ph_prepare(struct switchdev_trans *trans)
|
|
{
|
|
return trans && trans->ph_prepare;
|
|
}
|
|
|
|
static inline bool switchdev_trans_ph_commit(struct switchdev_trans *trans)
|
|
{
|
|
return trans && !trans->ph_prepare;
|
|
}
|
|
|
|
enum switchdev_attr_id {
|
|
SWITCHDEV_ATTR_ID_UNDEFINED,
|
|
SWITCHDEV_ATTR_ID_PORT_PARENT_ID,
|
|
SWITCHDEV_ATTR_ID_PORT_STP_STATE,
|
|
SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,
|
|
SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
|
|
SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING,
|
|
};
|
|
|
|
struct switchdev_attr {
|
|
struct net_device *orig_dev;
|
|
enum switchdev_attr_id id;
|
|
u32 flags;
|
|
void *complete_priv;
|
|
void (*complete)(struct net_device *dev, int err, void *priv);
|
|
union {
|
|
struct netdev_phys_item_id ppid; /* PORT_PARENT_ID */
|
|
u8 stp_state; /* PORT_STP_STATE */
|
|
unsigned long brport_flags; /* PORT_BRIDGE_FLAGS */
|
|
u32 ageing_time; /* BRIDGE_AGEING_TIME */
|
|
bool vlan_filtering; /* BRIDGE_VLAN_FILTERING */
|
|
} u;
|
|
};
|
|
|
|
enum switchdev_obj_id {
|
|
SWITCHDEV_OBJ_ID_UNDEFINED,
|
|
SWITCHDEV_OBJ_ID_PORT_VLAN,
|
|
SWITCHDEV_OBJ_ID_IPV4_FIB,
|
|
SWITCHDEV_OBJ_ID_PORT_FDB,
|
|
SWITCHDEV_OBJ_ID_PORT_MDB,
|
|
};
|
|
|
|
struct switchdev_obj {
|
|
struct net_device *orig_dev;
|
|
enum switchdev_obj_id id;
|
|
u32 flags;
|
|
void *complete_priv;
|
|
void (*complete)(struct net_device *dev, int err, void *priv);
|
|
};
|
|
|
|
/* SWITCHDEV_OBJ_ID_PORT_VLAN */
|
|
struct switchdev_obj_port_vlan {
|
|
struct switchdev_obj obj;
|
|
u16 flags;
|
|
u16 vid_begin;
|
|
u16 vid_end;
|
|
};
|
|
|
|
#define SWITCHDEV_OBJ_PORT_VLAN(obj) \
|
|
container_of(obj, struct switchdev_obj_port_vlan, obj)
|
|
|
|
/* SWITCHDEV_OBJ_ID_IPV4_FIB */
|
|
struct switchdev_obj_ipv4_fib {
|
|
struct switchdev_obj obj;
|
|
u32 dst;
|
|
int dst_len;
|
|
struct fib_info fi;
|
|
u8 tos;
|
|
u8 type;
|
|
u32 nlflags;
|
|
u32 tb_id;
|
|
};
|
|
|
|
#define SWITCHDEV_OBJ_IPV4_FIB(obj) \
|
|
container_of(obj, struct switchdev_obj_ipv4_fib, obj)
|
|
|
|
/* SWITCHDEV_OBJ_ID_PORT_FDB */
|
|
struct switchdev_obj_port_fdb {
|
|
struct switchdev_obj obj;
|
|
unsigned char addr[ETH_ALEN];
|
|
u16 vid;
|
|
u16 ndm_state;
|
|
};
|
|
|
|
#define SWITCHDEV_OBJ_PORT_FDB(obj) \
|
|
container_of(obj, struct switchdev_obj_port_fdb, obj)
|
|
|
|
/* SWITCHDEV_OBJ_ID_PORT_MDB */
|
|
struct switchdev_obj_port_mdb {
|
|
struct switchdev_obj obj;
|
|
unsigned char addr[ETH_ALEN];
|
|
u16 vid;
|
|
};
|
|
|
|
#define SWITCHDEV_OBJ_PORT_MDB(obj) \
|
|
container_of(obj, struct switchdev_obj_port_mdb, obj)
|
|
|
|
void switchdev_trans_item_enqueue(struct switchdev_trans *trans,
|
|
void *data, void (*destructor)(void const *),
|
|
struct switchdev_trans_item *tritem);
|
|
void *switchdev_trans_item_dequeue(struct switchdev_trans *trans);
|
|
|
|
typedef int switchdev_obj_dump_cb_t(struct switchdev_obj *obj);
|
|
|
|
/**
|
|
* struct switchdev_ops - switchdev operations
|
|
*
|
|
* @switchdev_port_attr_get: Get a port attribute (see switchdev_attr).
|
|
*
|
|
* @switchdev_port_attr_set: Set a port attribute (see switchdev_attr).
|
|
*
|
|
* @switchdev_port_obj_add: Add an object to port (see switchdev_obj_*).
|
|
*
|
|
* @switchdev_port_obj_del: Delete an object from port (see switchdev_obj_*).
|
|
*
|
|
* @switchdev_port_obj_dump: Dump port objects (see switchdev_obj_*).
|
|
*/
|
|
struct switchdev_ops {
|
|
int (*switchdev_port_attr_get)(struct net_device *dev,
|
|
struct switchdev_attr *attr);
|
|
int (*switchdev_port_attr_set)(struct net_device *dev,
|
|
const struct switchdev_attr *attr,
|
|
struct switchdev_trans *trans);
|
|
int (*switchdev_port_obj_add)(struct net_device *dev,
|
|
const struct switchdev_obj *obj,
|
|
struct switchdev_trans *trans);
|
|
int (*switchdev_port_obj_del)(struct net_device *dev,
|
|
const struct switchdev_obj *obj);
|
|
int (*switchdev_port_obj_dump)(struct net_device *dev,
|
|
struct switchdev_obj *obj,
|
|
switchdev_obj_dump_cb_t *cb);
|
|
};
|
|
|
|
enum switchdev_notifier_type {
|
|
SWITCHDEV_FDB_ADD = 1,
|
|
SWITCHDEV_FDB_DEL,
|
|
};
|
|
|
|
struct switchdev_notifier_info {
|
|
struct net_device *dev;
|
|
};
|
|
|
|
struct switchdev_notifier_fdb_info {
|
|
struct switchdev_notifier_info info; /* must be first */
|
|
const unsigned char *addr;
|
|
u16 vid;
|
|
};
|
|
|
|
static inline struct net_device *
|
|
switchdev_notifier_info_to_dev(const struct switchdev_notifier_info *info)
|
|
{
|
|
return info->dev;
|
|
}
|
|
|
|
#ifdef CONFIG_NET_SWITCHDEV
|
|
|
|
void switchdev_deferred_process(void);
|
|
int switchdev_port_attr_get(struct net_device *dev,
|
|
struct switchdev_attr *attr);
|
|
int switchdev_port_attr_set(struct net_device *dev,
|
|
const struct switchdev_attr *attr);
|
|
int switchdev_port_obj_add(struct net_device *dev,
|
|
const struct switchdev_obj *obj);
|
|
int switchdev_port_obj_del(struct net_device *dev,
|
|
const struct switchdev_obj *obj);
|
|
int switchdev_port_obj_dump(struct net_device *dev, struct switchdev_obj *obj,
|
|
switchdev_obj_dump_cb_t *cb);
|
|
int register_switchdev_notifier(struct notifier_block *nb);
|
|
int unregister_switchdev_notifier(struct notifier_block *nb);
|
|
int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
|
|
struct switchdev_notifier_info *info);
|
|
int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
|
|
struct net_device *dev, u32 filter_mask,
|
|
int nlflags);
|
|
int switchdev_port_bridge_setlink(struct net_device *dev,
|
|
struct nlmsghdr *nlh, u16 flags);
|
|
int switchdev_port_bridge_dellink(struct net_device *dev,
|
|
struct nlmsghdr *nlh, u16 flags);
|
|
int switchdev_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi,
|
|
u8 tos, u8 type, u32 nlflags, u32 tb_id);
|
|
int switchdev_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi,
|
|
u8 tos, u8 type, u32 tb_id);
|
|
void switchdev_fib_ipv4_abort(struct fib_info *fi);
|
|
int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
|
|
struct net_device *dev, const unsigned char *addr,
|
|
u16 vid, u16 nlm_flags);
|
|
int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
|
|
struct net_device *dev, const unsigned char *addr,
|
|
u16 vid);
|
|
int switchdev_port_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,
|
|
struct net_device *dev,
|
|
struct net_device *filter_dev, int idx);
|
|
void switchdev_port_fwd_mark_set(struct net_device *dev,
|
|
struct net_device *group_dev,
|
|
bool joining);
|
|
|
|
#else
|
|
|
|
static inline void switchdev_deferred_process(void)
|
|
{
|
|
}
|
|
|
|
static inline int switchdev_port_attr_get(struct net_device *dev,
|
|
struct switchdev_attr *attr)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int switchdev_port_attr_set(struct net_device *dev,
|
|
const struct switchdev_attr *attr)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int switchdev_port_obj_add(struct net_device *dev,
|
|
const struct switchdev_obj *obj)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int switchdev_port_obj_del(struct net_device *dev,
|
|
const struct switchdev_obj *obj)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int switchdev_port_obj_dump(struct net_device *dev,
|
|
const struct switchdev_obj *obj,
|
|
switchdev_obj_dump_cb_t *cb)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int register_switchdev_notifier(struct notifier_block *nb)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int unregister_switchdev_notifier(struct notifier_block *nb)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int call_switchdev_notifiers(unsigned long val,
|
|
struct net_device *dev,
|
|
struct switchdev_notifier_info *info)
|
|
{
|
|
return NOTIFY_DONE;
|
|
}
|
|
|
|
static inline int switchdev_port_bridge_getlink(struct sk_buff *skb, u32 pid,
|
|
u32 seq, struct net_device *dev,
|
|
u32 filter_mask, int nlflags)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int switchdev_port_bridge_setlink(struct net_device *dev,
|
|
struct nlmsghdr *nlh,
|
|
u16 flags)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int switchdev_port_bridge_dellink(struct net_device *dev,
|
|
struct nlmsghdr *nlh,
|
|
u16 flags)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int switchdev_fib_ipv4_add(u32 dst, int dst_len,
|
|
struct fib_info *fi,
|
|
u8 tos, u8 type,
|
|
u32 nlflags, u32 tb_id)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline int switchdev_fib_ipv4_del(u32 dst, int dst_len,
|
|
struct fib_info *fi,
|
|
u8 tos, u8 type, u32 tb_id)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void switchdev_fib_ipv4_abort(struct fib_info *fi)
|
|
{
|
|
}
|
|
|
|
static inline int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
|
|
struct net_device *dev,
|
|
const unsigned char *addr,
|
|
u16 vid, u16 nlm_flags)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
|
|
struct net_device *dev,
|
|
const unsigned char *addr, u16 vid)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int switchdev_port_fdb_dump(struct sk_buff *skb,
|
|
struct netlink_callback *cb,
|
|
struct net_device *dev,
|
|
struct net_device *filter_dev,
|
|
int idx)
|
|
{
|
|
return idx;
|
|
}
|
|
|
|
static inline void switchdev_port_fwd_mark_set(struct net_device *dev,
|
|
struct net_device *group_dev,
|
|
bool joining)
|
|
{
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif /* _LINUX_SWITCHDEV_H_ */
|