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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 | ||
661d2967 | 7 | typedef int (*rtnl_doit_func)(struct sk_buff *, struct nlmsghdr *); |
e2849863 | 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 | 10 | |
efb48ccf JP |
11 | int __rtnl_register(int protocol, int msgtype, |
12 | rtnl_doit_func, rtnl_dumpit_func, rtnl_calcit_func); | |
13 | void rtnl_register(int protocol, int msgtype, | |
14 | rtnl_doit_func, rtnl_dumpit_func, rtnl_calcit_func); | |
15 | int rtnl_unregister(int protocol, int msgtype); | |
16 | void rtnl_unregister_all(int protocol); | |
e2849863 | 17 | |
3a6c2b41 | 18 | static inline int rtnl_msg_family(const struct nlmsghdr *nlh) |
c454673d TG |
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 | } | |
25 | ||
38f7b870 PM |
26 | /** |
27 | * struct rtnl_link_ops - rtnetlink link operations | |
28 | * | |
29 | * @list: Used internally | |
30 | * @kind: Identifier | |
31 | * @maxtype: Highest device specific netlink attribute number | |
32 | * @policy: Netlink policy for device specific attribute validation | |
33 | * @validate: Optional validation function for netlink/changelink parameters | |
34 | * @priv_size: sizeof net_device private space | |
35 | * @setup: net_device setup function | |
36 | * @newlink: Function for configuring and registering a new device | |
37 | * @changelink: Function for changing parameters of an existing device | |
38 | * @dellink: Function to remove a device | |
39 | * @get_size: Function to calculate required room for dumping device | |
40 | * specific netlink attributes | |
41 | * @fill_info: Function to dump device specific netlink attributes | |
9b17876f | 42 | * @get_xstats_size: Function to calculate required room for dumping device |
38f7b870 PM |
43 | * specific statistics |
44 | * @fill_xstats: Function to dump device specific statistics | |
d40156aa JP |
45 | * @get_num_tx_queues: Function to determine number of transmit queues |
46 | * to create when creating a new device. | |
47 | * @get_num_rx_queues: Function to determine number of receive queues | |
48 | * to create when creating a new device. | |
38f7b870 PM |
49 | */ |
50 | struct rtnl_link_ops { | |
51 | struct list_head list; | |
52 | ||
53 | const char *kind; | |
54 | ||
55 | size_t priv_size; | |
56 | void (*setup)(struct net_device *dev); | |
57 | ||
58 | int maxtype; | |
59 | const struct nla_policy *policy; | |
60 | int (*validate)(struct nlattr *tb[], | |
61 | struct nlattr *data[]); | |
62 | ||
81adee47 EB |
63 | int (*newlink)(struct net *src_net, |
64 | struct net_device *dev, | |
38f7b870 PM |
65 | struct nlattr *tb[], |
66 | struct nlattr *data[]); | |
67 | int (*changelink)(struct net_device *dev, | |
68 | struct nlattr *tb[], | |
69 | struct nlattr *data[]); | |
23289a37 ED |
70 | void (*dellink)(struct net_device *dev, |
71 | struct list_head *head); | |
38f7b870 PM |
72 | |
73 | size_t (*get_size)(const struct net_device *dev); | |
74 | int (*fill_info)(struct sk_buff *skb, | |
75 | const struct net_device *dev); | |
76 | ||
77 | size_t (*get_xstats_size)(const struct net_device *dev); | |
78 | int (*fill_xstats)(struct sk_buff *skb, | |
79 | const struct net_device *dev); | |
d40156aa JP |
80 | unsigned int (*get_num_tx_queues)(void); |
81 | unsigned int (*get_num_rx_queues)(void); | |
38f7b870 PM |
82 | }; |
83 | ||
efb48ccf JP |
84 | int __rtnl_link_register(struct rtnl_link_ops *ops); |
85 | void __rtnl_link_unregister(struct rtnl_link_ops *ops); | |
38f7b870 | 86 | |
efb48ccf JP |
87 | int rtnl_link_register(struct rtnl_link_ops *ops); |
88 | void rtnl_link_unregister(struct rtnl_link_ops *ops); | |
38f7b870 | 89 | |
f8ff182c TG |
90 | /** |
91 | * struct rtnl_af_ops - rtnetlink address family operations | |
92 | * | |
93 | * @list: Used internally | |
94 | * @family: Address family | |
95 | * @fill_link_af: Function to fill IFLA_AF_SPEC with address family | |
96 | * specific netlink attributes. | |
97 | * @get_link_af_size: Function to calculate size of address family specific | |
9b17876f | 98 | * netlink attributes. |
cf7afbfe TG |
99 | * @validate_link_af: Validate a IFLA_AF_SPEC attribute, must check attr |
100 | * for invalid configuration settings. | |
101 | * @set_link_af: Function to parse a IFLA_AF_SPEC attribute and modify | |
102 | * net_device accordingly. | |
f8ff182c TG |
103 | */ |
104 | struct rtnl_af_ops { | |
105 | struct list_head list; | |
106 | int family; | |
107 | ||
108 | int (*fill_link_af)(struct sk_buff *skb, | |
109 | const struct net_device *dev); | |
110 | size_t (*get_link_af_size)(const struct net_device *dev); | |
111 | ||
cf7afbfe TG |
112 | int (*validate_link_af)(const struct net_device *dev, |
113 | const struct nlattr *attr); | |
114 | int (*set_link_af)(struct net_device *dev, | |
115 | const struct nlattr *attr); | |
f8ff182c TG |
116 | }; |
117 | ||
efb48ccf JP |
118 | int __rtnl_af_register(struct rtnl_af_ops *ops); |
119 | void __rtnl_af_unregister(struct rtnl_af_ops *ops); | |
f8ff182c | 120 | |
efb48ccf JP |
121 | int rtnl_af_register(struct rtnl_af_ops *ops); |
122 | void rtnl_af_unregister(struct rtnl_af_ops *ops); | |
f8ff182c | 123 | |
efb48ccf JP |
124 | struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[]); |
125 | struct net_device *rtnl_create_link(struct net *net, char *ifname, | |
126 | const struct rtnl_link_ops *ops, | |
127 | struct nlattr *tb[]); | |
128 | int rtnl_configure_link(struct net_device *dev, const struct ifinfomsg *ifm); | |
f8ff182c | 129 | |
e7199288 PE |
130 | extern const struct nla_policy ifla_policy[IFLA_MAX+1]; |
131 | ||
38f7b870 PM |
132 | #define MODULE_ALIAS_RTNL_LINK(kind) MODULE_ALIAS("rtnl-link-" kind) |
133 | ||
e2849863 | 134 | #endif |