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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. | |
d37512a2 | 49 | * @get_link_net: Function to get the i/o netns of the device |
38f7b870 PM |
50 | */ |
51 | struct rtnl_link_ops { | |
52 | struct list_head list; | |
53 | ||
54 | const char *kind; | |
55 | ||
56 | size_t priv_size; | |
57 | void (*setup)(struct net_device *dev); | |
58 | ||
59 | int maxtype; | |
60 | const struct nla_policy *policy; | |
61 | int (*validate)(struct nlattr *tb[], | |
62 | struct nlattr *data[]); | |
63 | ||
81adee47 EB |
64 | int (*newlink)(struct net *src_net, |
65 | struct net_device *dev, | |
38f7b870 PM |
66 | struct nlattr *tb[], |
67 | struct nlattr *data[]); | |
68 | int (*changelink)(struct net_device *dev, | |
69 | struct nlattr *tb[], | |
70 | struct nlattr *data[]); | |
23289a37 ED |
71 | void (*dellink)(struct net_device *dev, |
72 | struct list_head *head); | |
38f7b870 PM |
73 | |
74 | size_t (*get_size)(const struct net_device *dev); | |
75 | int (*fill_info)(struct sk_buff *skb, | |
76 | const struct net_device *dev); | |
77 | ||
78 | size_t (*get_xstats_size)(const struct net_device *dev); | |
79 | int (*fill_xstats)(struct sk_buff *skb, | |
80 | const struct net_device *dev); | |
d40156aa JP |
81 | unsigned int (*get_num_tx_queues)(void); |
82 | unsigned int (*get_num_rx_queues)(void); | |
ba7d49b1 JP |
83 | |
84 | int slave_maxtype; | |
85 | const struct nla_policy *slave_policy; | |
86 | int (*slave_validate)(struct nlattr *tb[], | |
87 | struct nlattr *data[]); | |
88 | int (*slave_changelink)(struct net_device *dev, | |
89 | struct net_device *slave_dev, | |
90 | struct nlattr *tb[], | |
91 | struct nlattr *data[]); | |
92 | size_t (*get_slave_size)(const struct net_device *dev, | |
93 | const struct net_device *slave_dev); | |
94 | int (*fill_slave_info)(struct sk_buff *skb, | |
95 | const struct net_device *dev, | |
96 | const struct net_device *slave_dev); | |
d37512a2 | 97 | struct net *(*get_link_net)(const struct net_device *dev); |
38f7b870 PM |
98 | }; |
99 | ||
efb48ccf JP |
100 | int __rtnl_link_register(struct rtnl_link_ops *ops); |
101 | void __rtnl_link_unregister(struct rtnl_link_ops *ops); | |
38f7b870 | 102 | |
efb48ccf JP |
103 | int rtnl_link_register(struct rtnl_link_ops *ops); |
104 | void rtnl_link_unregister(struct rtnl_link_ops *ops); | |
38f7b870 | 105 | |
f8ff182c TG |
106 | /** |
107 | * struct rtnl_af_ops - rtnetlink address family operations | |
108 | * | |
109 | * @list: Used internally | |
110 | * @family: Address family | |
111 | * @fill_link_af: Function to fill IFLA_AF_SPEC with address family | |
112 | * specific netlink attributes. | |
113 | * @get_link_af_size: Function to calculate size of address family specific | |
9b17876f | 114 | * netlink attributes. |
cf7afbfe TG |
115 | * @validate_link_af: Validate a IFLA_AF_SPEC attribute, must check attr |
116 | * for invalid configuration settings. | |
117 | * @set_link_af: Function to parse a IFLA_AF_SPEC attribute and modify | |
118 | * net_device accordingly. | |
f8ff182c TG |
119 | */ |
120 | struct rtnl_af_ops { | |
121 | struct list_head list; | |
122 | int family; | |
123 | ||
124 | int (*fill_link_af)(struct sk_buff *skb, | |
d5566fd7 SV |
125 | const struct net_device *dev, |
126 | u32 ext_filter_mask); | |
b1974ed0 AR |
127 | size_t (*get_link_af_size)(const struct net_device *dev, |
128 | u32 ext_filter_mask); | |
f8ff182c | 129 | |
cf7afbfe TG |
130 | int (*validate_link_af)(const struct net_device *dev, |
131 | const struct nlattr *attr); | |
132 | int (*set_link_af)(struct net_device *dev, | |
133 | const struct nlattr *attr); | |
f8ff182c TG |
134 | }; |
135 | ||
efb48ccf | 136 | void __rtnl_af_unregister(struct rtnl_af_ops *ops); |
f8ff182c | 137 | |
3678a9d8 | 138 | void rtnl_af_register(struct rtnl_af_ops *ops); |
efb48ccf | 139 | void rtnl_af_unregister(struct rtnl_af_ops *ops); |
f8ff182c | 140 | |
efb48ccf | 141 | struct net *rtnl_link_get_net(struct net *src_net, struct nlattr *tb[]); |
78ebb0d0 | 142 | struct net_device *rtnl_create_link(struct net *net, const char *ifname, |
5517750f | 143 | unsigned char name_assign_type, |
efb48ccf JP |
144 | const struct rtnl_link_ops *ops, |
145 | struct nlattr *tb[]); | |
614732ea | 146 | int rtnl_delete_link(struct net_device *dev); |
efb48ccf | 147 | int rtnl_configure_link(struct net_device *dev, const struct ifinfomsg *ifm); |
f8ff182c | 148 | |
f7b12606 | 149 | int rtnl_nla_parse_ifla(struct nlattr **tb, const struct nlattr *head, int len); |
e7199288 | 150 | |
38f7b870 PM |
151 | #define MODULE_ALIAS_RTNL_LINK(kind) MODULE_ALIAS("rtnl-link-" kind) |
152 | ||
e2849863 | 153 | #endif |