1#ifndef __NET_RTNETLINK_H
2#define __NET_RTNETLINK_H
3
4#include <linux/rtnetlink.h>
5#include <net/netlink.h>
6
7typedef int (*rtnl_doit_func)(struct sk_buff *, struct nlmsghdr *, void *);
8typedef int (*rtnl_dumpit_func)(struct sk_buff *, struct netlink_callback *);
9typedef u16 (*rtnl_calcit_func)(struct sk_buff *, struct nlmsghdr *);
10
11extern int __rtnl_register(int protocol, int msgtype,
12 rtnl_doit_func, rtnl_dumpit_func,
13 rtnl_calcit_func);
14extern void rtnl_register(int protocol, int msgtype,
15 rtnl_doit_func, rtnl_dumpit_func,
16 rtnl_calcit_func);
17extern int rtnl_unregister(int protocol, int msgtype);
18extern void rtnl_unregister_all(int protocol);
19
20static inline int rtnl_msg_family(const struct nlmsghdr *nlh)
21{
22 if (nlmsg_len(nlh) >= sizeof(struct rtgenmsg))
23 return ((struct rtgenmsg *) nlmsg_data(nlh))->rtgen_family;
24 else
25 return AF_UNSPEC;
26}
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52struct rtnl_link_ops {
53 struct list_head list;
54
55 const char *kind;
56
57 size_t priv_size;
58 void (*setup)(struct net_device *dev);
59
60 int maxtype;
61 const struct nla_policy *policy;
62 int (*validate)(struct nlattr *tb[],
63 struct nlattr *data[]);
64
65 int (*newlink)(struct net *src_net,
66 struct net_device *dev,
67 struct nlattr *tb[],
68 struct nlattr *data[]);
69 int (*changelink)(struct net_device *dev,
70 struct nlattr *tb[],
71 struct nlattr *data[]);
72 void (*dellink)(struct net_device *dev,
73 struct list_head *head);
74
75 size_t (*get_size)(const struct net_device *dev);
76 int (*fill_info)(struct sk_buff *skb,
77 const struct net_device *dev);
78
79 size_t (*get_xstats_size)(const struct net_device *dev);
80 int (*fill_xstats)(struct sk_buff *skb,
81 const struct net_device *dev);
82 unsigned int (*get_num_tx_queues)(void);
83 unsigned int (*get_num_rx_queues)(void);
84};
85
86extern int __rtnl_link_register(struct rtnl_link_ops *ops);
87extern void __rtnl_link_unregister(struct rtnl_link_ops *ops);
88
89extern int rtnl_link_register(struct rtnl_link_ops *ops);
90extern void rtnl_link_unregister(struct rtnl_link_ops *ops);
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106struct rtnl_af_ops {
107 struct list_head list;
108 int family;
109
110 int (*fill_link_af)(struct sk_buff *skb,
111 const struct net_device *dev);
112 size_t (*get_link_af_size)(const struct net_device *dev);
113
114 int (*validate_link_af)(const struct net_device *dev,
115 const struct nlattr *attr);
116 int (*set_link_af)(struct net_device *dev,
117 const struct nlattr *attr);
118};
119
120extern int __rtnl_af_register(struct rtnl_af_ops *ops);
121extern void __rtnl_af_unregister(struct rtnl_af_ops *ops);
122
123extern int rtnl_af_register(struct rtnl_af_ops *ops);
124extern void rtnl_af_unregister(struct rtnl_af_ops *ops);
125
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127extern struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[]);
128extern struct net_device *rtnl_create_link(struct net *net,
129 char *ifname, const struct rtnl_link_ops *ops, struct nlattr *tb[]);
130extern int rtnl_configure_link(struct net_device *dev,
131 const struct ifinfomsg *ifm);
132extern const struct nla_policy ifla_policy[IFLA_MAX+1];
133
134#define MODULE_ALIAS_RTNL_LINK(kind) MODULE_ALIAS("rtnl-link-" kind)
135
136#endif
137