]>
git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - include/net/rtnetlink.h
1 #ifndef __NET_RTNETLINK_H
2 #define __NET_RTNETLINK_H
4 #include <linux/rtnetlink.h>
5 #include <net/netlink.h>
7 typedef int (*rtnl_doit_func
)(struct sk_buff
*, struct nlmsghdr
*);
8 typedef int (*rtnl_dumpit_func
)(struct sk_buff
*, struct netlink_callback
*);
9 typedef u16 (*rtnl_calcit_func
)(struct sk_buff
*, struct nlmsghdr
*);
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
);
18 static inline int rtnl_msg_family(const struct nlmsghdr
*nlh
)
20 if (nlmsg_len(nlh
) >= sizeof(struct rtgenmsg
))
21 return ((struct rtgenmsg
*) nlmsg_data(nlh
))->rtgen_family
;
27 * struct rtnl_link_ops - rtnetlink link operations
29 * @list: Used internally
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
42 * @get_xstats_size: Function to calculate required room for dumping device
44 * @fill_xstats: Function to dump device specific statistics
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.
50 struct rtnl_link_ops
{
51 struct list_head list
;
56 void (*setup
)(struct net_device
*dev
);
59 const struct nla_policy
*policy
;
60 int (*validate
)(struct nlattr
*tb
[],
61 struct nlattr
*data
[]);
63 int (*newlink
)(struct net
*src_net
,
64 struct net_device
*dev
,
66 struct nlattr
*data
[]);
67 int (*changelink
)(struct net_device
*dev
,
69 struct nlattr
*data
[]);
70 void (*dellink
)(struct net_device
*dev
,
71 struct list_head
*head
);
73 size_t (*get_size
)(const struct net_device
*dev
);
74 int (*fill_info
)(struct sk_buff
*skb
,
75 const struct net_device
*dev
);
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
);
80 unsigned int (*get_num_tx_queues
)(void);
81 unsigned int (*get_num_rx_queues
)(void);
84 const struct nla_policy
*slave_policy
;
85 int (*slave_validate
)(struct nlattr
*tb
[],
86 struct nlattr
*data
[]);
87 int (*slave_changelink
)(struct net_device
*dev
,
88 struct net_device
*slave_dev
,
90 struct nlattr
*data
[]);
91 size_t (*get_slave_size
)(const struct net_device
*dev
,
92 const struct net_device
*slave_dev
);
93 int (*fill_slave_info
)(struct sk_buff
*skb
,
94 const struct net_device
*dev
,
95 const struct net_device
*slave_dev
);
98 int __rtnl_link_register(struct rtnl_link_ops
*ops
);
99 void __rtnl_link_unregister(struct rtnl_link_ops
*ops
);
101 int rtnl_link_register(struct rtnl_link_ops
*ops
);
102 void rtnl_link_unregister(struct rtnl_link_ops
*ops
);
105 * struct rtnl_af_ops - rtnetlink address family operations
107 * @list: Used internally
108 * @family: Address family
109 * @fill_link_af: Function to fill IFLA_AF_SPEC with address family
110 * specific netlink attributes.
111 * @get_link_af_size: Function to calculate size of address family specific
112 * netlink attributes.
113 * @validate_link_af: Validate a IFLA_AF_SPEC attribute, must check attr
114 * for invalid configuration settings.
115 * @set_link_af: Function to parse a IFLA_AF_SPEC attribute and modify
116 * net_device accordingly.
119 struct list_head list
;
122 int (*fill_link_af
)(struct sk_buff
*skb
,
123 const struct net_device
*dev
);
124 size_t (*get_link_af_size
)(const struct net_device
*dev
);
126 int (*validate_link_af
)(const struct net_device
*dev
,
127 const struct nlattr
*attr
);
128 int (*set_link_af
)(struct net_device
*dev
,
129 const struct nlattr
*attr
);
132 void __rtnl_af_unregister(struct rtnl_af_ops
*ops
);
134 void rtnl_af_register(struct rtnl_af_ops
*ops
);
135 void rtnl_af_unregister(struct rtnl_af_ops
*ops
);
137 struct net
*rtnl_link_get_net(struct net
*src_net
, struct nlattr
*tb
[]);
138 struct net_device
*rtnl_create_link(struct net
*net
, char *ifname
,
139 unsigned char name_assign_type
,
140 const struct rtnl_link_ops
*ops
,
141 struct nlattr
*tb
[]);
142 int rtnl_configure_link(struct net_device
*dev
, const struct ifinfomsg
*ifm
);
144 int rtnl_nla_parse_ifla(struct nlattr
**tb
, const struct nlattr
*head
, int len
);
146 #define MODULE_ALIAS_RTNL_LINK(kind) MODULE_ALIAS("rtnl-link-" kind)