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 *);
8typedef int (*rtnl_dumpit_func)(struct sk_buff *, struct netlink_callback *);
9typedef u16 (*rtnl_calcit_func)(struct sk_buff *, struct nlmsghdr *);
10
11int __rtnl_register(int protocol, int msgtype,
12 rtnl_doit_func, rtnl_dumpit_func, rtnl_calcit_func);
13void rtnl_register(int protocol, int msgtype,
14 rtnl_doit_func, rtnl_dumpit_func, rtnl_calcit_func);
15int rtnl_unregister(int protocol, int msgtype);
16void rtnl_unregister_all(int protocol);
17
18static inline int rtnl_msg_family(const struct nlmsghdr *nlh)
19{
20 if (nlmsg_len(nlh) >= sizeof(struct rtgenmsg))
21 return ((struct rtgenmsg *) nlmsg_data(nlh))->rtgen_family;
22 else
23 return AF_UNSPEC;
24}
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54struct rtnl_link_ops {
55 struct list_head list;
56
57 const char *kind;
58
59 size_t priv_size;
60 void (*setup)(struct net_device *dev);
61
62 int maxtype;
63 const struct nla_policy *policy;
64 int (*validate)(struct nlattr *tb[],
65 struct nlattr *data[]);
66
67 int (*newlink)(struct net *src_net,
68 struct net_device *dev,
69 struct nlattr *tb[],
70 struct nlattr *data[]);
71 int (*changelink)(struct net_device *dev,
72 struct nlattr *tb[],
73 struct nlattr *data[]);
74 void (*dellink)(struct net_device *dev,
75 struct list_head *head);
76
77 size_t (*get_size)(const struct net_device *dev);
78 int (*fill_info)(struct sk_buff *skb,
79 const struct net_device *dev);
80
81 size_t (*get_xstats_size)(const struct net_device *dev);
82 int (*fill_xstats)(struct sk_buff *skb,
83 const struct net_device *dev);
84 unsigned int (*get_num_tx_queues)(void);
85 unsigned int (*get_num_rx_queues)(void);
86
87 int slave_maxtype;
88 const struct nla_policy *slave_policy;
89 int (*slave_validate)(struct nlattr *tb[],
90 struct nlattr *data[]);
91 int (*slave_changelink)(struct net_device *dev,
92 struct net_device *slave_dev,
93 struct nlattr *tb[],
94 struct nlattr *data[]);
95 size_t (*get_slave_size)(const struct net_device *dev,
96 const struct net_device *slave_dev);
97 int (*fill_slave_info)(struct sk_buff *skb,
98 const struct net_device *dev,
99 const struct net_device *slave_dev);
100 struct net *(*get_link_net)(const struct net_device *dev);
101 size_t (*get_linkxstats_size)(const struct net_device *dev);
102 int (*fill_linkxstats)(struct sk_buff *skb,
103 const struct net_device *dev,
104 int *prividx);
105};
106
107int __rtnl_link_register(struct rtnl_link_ops *ops);
108void __rtnl_link_unregister(struct rtnl_link_ops *ops);
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110int rtnl_link_register(struct rtnl_link_ops *ops);
111void rtnl_link_unregister(struct rtnl_link_ops *ops);
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127struct rtnl_af_ops {
128 struct list_head list;
129 int family;
130
131 int (*fill_link_af)(struct sk_buff *skb,
132 const struct net_device *dev,
133 u32 ext_filter_mask);
134 size_t (*get_link_af_size)(const struct net_device *dev,
135 u32 ext_filter_mask);
136
137 int (*validate_link_af)(const struct net_device *dev,
138 const struct nlattr *attr);
139 int (*set_link_af)(struct net_device *dev,
140 const struct nlattr *attr);
141};
142
143void __rtnl_af_unregister(struct rtnl_af_ops *ops);
144
145void rtnl_af_register(struct rtnl_af_ops *ops);
146void rtnl_af_unregister(struct rtnl_af_ops *ops);
147
148struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[]);
149struct net_device *rtnl_create_link(struct net *net, const char *ifname,
150 unsigned char name_assign_type,
151 const struct rtnl_link_ops *ops,
152 struct nlattr *tb[]);
153int rtnl_delete_link(struct net_device *dev);
154int rtnl_configure_link(struct net_device *dev, const struct ifinfomsg *ifm);
155
156int rtnl_nla_parse_ifla(struct nlattr **tb, const struct nlattr *head, int len);
157
158#define MODULE_ALIAS_RTNL_LINK(kind) MODULE_ALIAS("rtnl-link-" kind)
159
160#endif
161