1e2849863SThomas Graf #ifndef __NET_RTNETLINK_H 2e2849863SThomas Graf #define __NET_RTNETLINK_H 3e2849863SThomas Graf 4e2849863SThomas Graf #include <linux/rtnetlink.h> 5e2849863SThomas Graf #include <net/netlink.h> 6e2849863SThomas Graf 7e2849863SThomas Graf typedef int (*rtnl_doit_func)(struct sk_buff *, struct nlmsghdr *, void *); 8e2849863SThomas Graf typedef int (*rtnl_dumpit_func)(struct sk_buff *, struct netlink_callback *); 9e2849863SThomas Graf 10e2849863SThomas Graf extern int __rtnl_register(int protocol, int msgtype, 11e2849863SThomas Graf rtnl_doit_func, rtnl_dumpit_func); 12e2849863SThomas Graf extern void rtnl_register(int protocol, int msgtype, 13e2849863SThomas Graf rtnl_doit_func, rtnl_dumpit_func); 14e2849863SThomas Graf extern int rtnl_unregister(int protocol, int msgtype); 15e2849863SThomas Graf extern void rtnl_unregister_all(int protocol); 16e2849863SThomas Graf 17c454673dSThomas Graf static inline int rtnl_msg_family(struct nlmsghdr *nlh) 18c454673dSThomas Graf { 19c454673dSThomas Graf if (nlmsg_len(nlh) >= sizeof(struct rtgenmsg)) 20c454673dSThomas Graf return ((struct rtgenmsg *) nlmsg_data(nlh))->rtgen_family; 21c454673dSThomas Graf else 22c454673dSThomas Graf return AF_UNSPEC; 23c454673dSThomas Graf } 24c454673dSThomas Graf 2538f7b870SPatrick McHardy /** 2638f7b870SPatrick McHardy * struct rtnl_link_ops - rtnetlink link operations 2738f7b870SPatrick McHardy * 2838f7b870SPatrick McHardy * @list: Used internally 2938f7b870SPatrick McHardy * @kind: Identifier 3038f7b870SPatrick McHardy * @maxtype: Highest device specific netlink attribute number 3138f7b870SPatrick McHardy * @policy: Netlink policy for device specific attribute validation 3238f7b870SPatrick McHardy * @validate: Optional validation function for netlink/changelink parameters 3338f7b870SPatrick McHardy * @priv_size: sizeof net_device private space 3438f7b870SPatrick McHardy * @setup: net_device setup function 3538f7b870SPatrick McHardy * @newlink: Function for configuring and registering a new device 3638f7b870SPatrick McHardy * @changelink: Function for changing parameters of an existing device 3738f7b870SPatrick McHardy * @dellink: Function to remove a device 3838f7b870SPatrick McHardy * @get_size: Function to calculate required room for dumping device 3938f7b870SPatrick McHardy * specific netlink attributes 4038f7b870SPatrick McHardy * @fill_info: Function to dump device specific netlink attributes 4138f7b870SPatrick McHardy * @get_xstats_size: Function to calculate required room for dumping devic 4238f7b870SPatrick McHardy * specific statistics 4338f7b870SPatrick McHardy * @fill_xstats: Function to dump device specific statistics 4438f7b870SPatrick McHardy */ 4538f7b870SPatrick McHardy struct rtnl_link_ops { 4638f7b870SPatrick McHardy struct list_head list; 4738f7b870SPatrick McHardy 4838f7b870SPatrick McHardy const char *kind; 4938f7b870SPatrick McHardy 5038f7b870SPatrick McHardy size_t priv_size; 5138f7b870SPatrick McHardy void (*setup)(struct net_device *dev); 5238f7b870SPatrick McHardy 5338f7b870SPatrick McHardy int maxtype; 5438f7b870SPatrick McHardy const struct nla_policy *policy; 5538f7b870SPatrick McHardy int (*validate)(struct nlattr *tb[], 5638f7b870SPatrick McHardy struct nlattr *data[]); 5738f7b870SPatrick McHardy 5838f7b870SPatrick McHardy int (*newlink)(struct net_device *dev, 5938f7b870SPatrick McHardy struct nlattr *tb[], 6038f7b870SPatrick McHardy struct nlattr *data[]); 6138f7b870SPatrick McHardy int (*changelink)(struct net_device *dev, 6238f7b870SPatrick McHardy struct nlattr *tb[], 6338f7b870SPatrick McHardy struct nlattr *data[]); 6438f7b870SPatrick McHardy void (*dellink)(struct net_device *dev); 6538f7b870SPatrick McHardy 6638f7b870SPatrick McHardy size_t (*get_size)(const struct net_device *dev); 6738f7b870SPatrick McHardy int (*fill_info)(struct sk_buff *skb, 6838f7b870SPatrick McHardy const struct net_device *dev); 6938f7b870SPatrick McHardy 7038f7b870SPatrick McHardy size_t (*get_xstats_size)(const struct net_device *dev); 7138f7b870SPatrick McHardy int (*fill_xstats)(struct sk_buff *skb, 7238f7b870SPatrick McHardy const struct net_device *dev); 7338f7b870SPatrick McHardy }; 7438f7b870SPatrick McHardy 7538f7b870SPatrick McHardy extern int __rtnl_link_register(struct rtnl_link_ops *ops); 7638f7b870SPatrick McHardy extern void __rtnl_link_unregister(struct rtnl_link_ops *ops); 7738f7b870SPatrick McHardy 7838f7b870SPatrick McHardy extern int rtnl_link_register(struct rtnl_link_ops *ops); 7938f7b870SPatrick McHardy extern void rtnl_link_unregister(struct rtnl_link_ops *ops); 8038f7b870SPatrick McHardy 81*e7199288SPavel Emelianov extern struct net_device *rtnl_create_link(char *ifname, 82*e7199288SPavel Emelianov const struct rtnl_link_ops *ops, struct nlattr *tb[]); 83*e7199288SPavel Emelianov extern const struct nla_policy ifla_policy[IFLA_MAX+1]; 84*e7199288SPavel Emelianov 8538f7b870SPatrick McHardy #define MODULE_ALIAS_RTNL_LINK(kind) MODULE_ALIAS("rtnl-link-" kind) 8638f7b870SPatrick McHardy 87e2849863SThomas Graf #endif 88