projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 *); | |
| 9 | ||
| 10 | extern int __rtnl_register(int protocol, int msgtype, | |
| 11 | rtnl_doit_func, rtnl_dumpit_func); | |
| 12 | extern void rtnl_register(int protocol, int msgtype, | |
| 13 | rtnl_doit_func, rtnl_dumpit_func); | |
| 14 | extern int rtnl_unregister(int protocol, int msgtype); | |
| 15 | extern void rtnl_unregister_all(int protocol); | |
| e2849863 | 16 | |
| c454673d TG |
17 | static inline int rtnl_msg_family(struct nlmsghdr *nlh) |
| 18 | { | |
| 19 | if (nlmsg_len(nlh) >= sizeof(struct rtgenmsg)) | |
| 20 | return ((struct rtgenmsg *) nlmsg_data(nlh))->rtgen_family; | |
| 21 | else | |
| 22 | return AF_UNSPEC; | |
| 23 | } | |
| 24 | ||
| 38f7b870 PM |
25 | /** |
| 26 | * struct rtnl_link_ops - rtnetlink link operations | |
| 27 | * | |
| 28 | * @list: Used internally | |
| 29 | * @kind: Identifier | |
| 30 | * @maxtype: Highest device specific netlink attribute number | |
| 31 | * @policy: Netlink policy for device specific attribute validation | |
| 32 | * @validate: Optional validation function for netlink/changelink parameters | |
| 33 | * @priv_size: sizeof net_device private space | |
| 34 | * @setup: net_device setup function | |
| 35 | * @newlink: Function for configuring and registering a new device | |
| 36 | * @changelink: Function for changing parameters of an existing device | |
| 37 | * @dellink: Function to remove a device | |
| 38 | * @get_size: Function to calculate required room for dumping device | |
| 39 | * specific netlink attributes | |
| 40 | * @fill_info: Function to dump device specific netlink attributes | |
| 41 | * @get_xstats_size: Function to calculate required room for dumping devic | |
| 42 | * specific statistics | |
| 43 | * @fill_xstats: Function to dump device specific statistics | |
| 44 | */ | |
| 45 | struct rtnl_link_ops { | |
| 46 | struct list_head list; | |
| 47 | ||
| 48 | const char *kind; | |
| 49 | ||
| 50 | size_t priv_size; | |
| 51 | void (*setup)(struct net_device *dev); | |
| 52 | ||
| 53 | int maxtype; | |
| 54 | const struct nla_policy *policy; | |
| 55 | int (*validate)(struct nlattr *tb[], | |
| 56 | struct nlattr *data[]); | |
| 57 | ||
| 58 | int (*newlink)(struct net_device *dev, | |
| 59 | struct nlattr *tb[], | |
| 60 | struct nlattr *data[]); | |
| 61 | int (*changelink)(struct net_device *dev, | |
| 62 | struct nlattr *tb[], | |
| 63 | struct nlattr *data[]); | |
| 64 | void (*dellink)(struct net_device *dev); | |
| 65 | ||
| 66 | size_t (*get_size)(const struct net_device *dev); | |
| 67 | int (*fill_info)(struct sk_buff *skb, | |
| 68 | const struct net_device *dev); | |
| 69 | ||
| 70 | size_t (*get_xstats_size)(const struct net_device *dev); | |
| 71 | int (*fill_xstats)(struct sk_buff *skb, | |
| 72 | const struct net_device *dev); | |
| 73 | }; | |
| 74 | ||
| 75 | extern int __rtnl_link_register(struct rtnl_link_ops *ops); | |
| 76 | extern void __rtnl_link_unregister(struct rtnl_link_ops *ops); | |
| 77 | ||
| 78 | extern int rtnl_link_register(struct rtnl_link_ops *ops); | |
| 79 | extern void rtnl_link_unregister(struct rtnl_link_ops *ops); | |
| 80 | ||
| 881d966b | 81 | extern struct net_device *rtnl_create_link(struct net *net, char *ifname, |
| e7199288 PE |
82 | const struct rtnl_link_ops *ops, struct nlattr *tb[]); |
| 83 | extern const struct nla_policy ifla_policy[IFLA_MAX+1]; | |
| 84 | ||
| 38f7b870 PM |
85 | #define MODULE_ALIAS_RTNL_LINK(kind) MODULE_ALIAS("rtnl-link-" kind) |
| 86 | ||
| e2849863 | 87 | #endif |