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e2849863 TG |
1 | #ifndef __NET_RTNETLINK_H |
2 | #define __NET_RTNETLINK_H | |
3 | ||
4 | #include <linux/rtnetlink.h> | |
5 | #include <net/netlink.h> | |
6 | ||
7 | typedef int (*rtnl_doit_func)(struct sk_buff *, struct nlmsghdr *, void *); | |
8 | typedef int (*rtnl_dumpit_func)(struct sk_buff *, struct netlink_callback *); | |
115c9b81 | 9 | typedef u16 (*rtnl_calcit_func)(struct sk_buff *, struct nlmsghdr *); |
e2849863 TG |
10 | |
11 | extern int __rtnl_register(int protocol, int msgtype, | |
c7ac8679 GR |
12 | rtnl_doit_func, rtnl_dumpit_func, |
13 | rtnl_calcit_func); | |
e2849863 | 14 | extern void rtnl_register(int protocol, int msgtype, |
c7ac8679 GR |
15 | rtnl_doit_func, rtnl_dumpit_func, |
16 | rtnl_calcit_func); | |
e2849863 TG |
17 | extern int rtnl_unregister(int protocol, int msgtype); |
18 | extern void rtnl_unregister_all(int protocol); | |
e2849863 | 19 | |
3a6c2b41 | 20 | static inline int rtnl_msg_family(const struct nlmsghdr *nlh) |
c454673d TG |
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 | } | |
27 | ||
38f7b870 PM |
28 | /** |
29 | * struct rtnl_link_ops - rtnetlink link operations | |
30 | * | |
31 | * @list: Used internally | |
32 | * @kind: Identifier | |
33 | * @maxtype: Highest device specific netlink attribute number | |
34 | * @policy: Netlink policy for device specific attribute validation | |
35 | * @validate: Optional validation function for netlink/changelink parameters | |
36 | * @priv_size: sizeof net_device private space | |
37 | * @setup: net_device setup function | |
38 | * @newlink: Function for configuring and registering a new device | |
39 | * @changelink: Function for changing parameters of an existing device | |
40 | * @dellink: Function to remove a device | |
41 | * @get_size: Function to calculate required room for dumping device | |
42 | * specific netlink attributes | |
43 | * @fill_info: Function to dump device specific netlink attributes | |
44 | * @get_xstats_size: Function to calculate required room for dumping devic | |
45 | * specific statistics | |
46 | * @fill_xstats: Function to dump device specific statistics | |
47 | */ | |
48 | struct rtnl_link_ops { | |
49 | struct list_head list; | |
50 | ||
51 | const char *kind; | |
52 | ||
53 | size_t priv_size; | |
54 | void (*setup)(struct net_device *dev); | |
55 | ||
56 | int maxtype; | |
57 | const struct nla_policy *policy; | |
58 | int (*validate)(struct nlattr *tb[], | |
59 | struct nlattr *data[]); | |
60 | ||
81adee47 EB |
61 | int (*newlink)(struct net *src_net, |
62 | struct net_device *dev, | |
38f7b870 PM |
63 | struct nlattr *tb[], |
64 | struct nlattr *data[]); | |
65 | int (*changelink)(struct net_device *dev, | |
66 | struct nlattr *tb[], | |
67 | struct nlattr *data[]); | |
23289a37 ED |
68 | void (*dellink)(struct net_device *dev, |
69 | struct list_head *head); | |
38f7b870 PM |
70 | |
71 | size_t (*get_size)(const struct net_device *dev); | |
72 | int (*fill_info)(struct sk_buff *skb, | |
73 | const struct net_device *dev); | |
74 | ||
75 | size_t (*get_xstats_size)(const struct net_device *dev); | |
76 | int (*fill_xstats)(struct sk_buff *skb, | |
77 | const struct net_device *dev); | |
efacb309 | 78 | int (*get_tx_queues)(struct net *net, |
79 | const struct nlattr *tb[]); | |
38f7b870 PM |
80 | }; |
81 | ||
82 | extern int __rtnl_link_register(struct rtnl_link_ops *ops); | |
83 | extern void __rtnl_link_unregister(struct rtnl_link_ops *ops); | |
84 | ||
85 | extern int rtnl_link_register(struct rtnl_link_ops *ops); | |
86 | extern void rtnl_link_unregister(struct rtnl_link_ops *ops); | |
87 | ||
f8ff182c TG |
88 | /** |
89 | * struct rtnl_af_ops - rtnetlink address family operations | |
90 | * | |
91 | * @list: Used internally | |
92 | * @family: Address family | |
93 | * @fill_link_af: Function to fill IFLA_AF_SPEC with address family | |
94 | * specific netlink attributes. | |
95 | * @get_link_af_size: Function to calculate size of address family specific | |
96 | * netlink attributes exlusive the container attribute. | |
cf7afbfe TG |
97 | * @validate_link_af: Validate a IFLA_AF_SPEC attribute, must check attr |
98 | * for invalid configuration settings. | |
99 | * @set_link_af: Function to parse a IFLA_AF_SPEC attribute and modify | |
100 | * net_device accordingly. | |
f8ff182c TG |
101 | */ |
102 | struct rtnl_af_ops { | |
103 | struct list_head list; | |
104 | int family; | |
105 | ||
106 | int (*fill_link_af)(struct sk_buff *skb, | |
107 | const struct net_device *dev); | |
108 | size_t (*get_link_af_size)(const struct net_device *dev); | |
109 | ||
cf7afbfe TG |
110 | int (*validate_link_af)(const struct net_device *dev, |
111 | const struct nlattr *attr); | |
112 | int (*set_link_af)(struct net_device *dev, | |
113 | const struct nlattr *attr); | |
f8ff182c TG |
114 | }; |
115 | ||
116 | extern int __rtnl_af_register(struct rtnl_af_ops *ops); | |
117 | extern void __rtnl_af_unregister(struct rtnl_af_ops *ops); | |
118 | ||
119 | extern int rtnl_af_register(struct rtnl_af_ops *ops); | |
120 | extern void rtnl_af_unregister(struct rtnl_af_ops *ops); | |
121 | ||
122 | ||
81adee47 EB |
123 | extern struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[]); |
124 | extern struct net_device *rtnl_create_link(struct net *src_net, struct net *net, | |
125 | char *ifname, const struct rtnl_link_ops *ops, struct nlattr *tb[]); | |
3729d502 PM |
126 | extern int rtnl_configure_link(struct net_device *dev, |
127 | const struct ifinfomsg *ifm); | |
e7199288 PE |
128 | extern const struct nla_policy ifla_policy[IFLA_MAX+1]; |
129 | ||
38f7b870 PM |
130 | #define MODULE_ALIAS_RTNL_LINK(kind) MODULE_ALIAS("rtnl-link-" kind) |
131 | ||
e2849863 | 132 | #endif |