Lines Matching defs:*
0 #ifndef __LINUX_NETLINK_H
2 #define __LINUX_NETLINK_H
4 #include <linux/socket.h> /* for sa_family_t */
5 #include <linux/types.h>
7 #define NETLINK_ROUTE 0 /* Routing/device hook */
8 #define NETLINK_W1 1 /* 1-wire subsystem */
9 #define NETLINK_USERSOCK 2 /* Reserved for user mode socket protocols */
10 #define NETLINK_FIREWALL 3 /* Firewalling hook */
11 #define NETLINK_INET_DIAG 4 /* INET socket monitoring */
12 #define NETLINK_NFLOG 5 /* netfilter/iptables ULOG */
13 #define NETLINK_XFRM 6 /* ipsec */
14 #define NETLINK_SELINUX 7 /* SELinux event notifications */
15 #define NETLINK_ISCSI 8 /* Open-iSCSI */
16 #define NETLINK_AUDIT 9 /* auditing */
17 #define NETLINK_FIB_LOOKUP 10
18 #define NETLINK_NETFILTER 12 /* netfilter subsystem */
19 #define NETLINK_IP6_FW 13
20 #define NETLINK_DNRTMSG 14 /* DECnet routing messages */
21 #define NETLINK_KOBJECT_UEVENT 15 /* Kernel messages to userspace */
23 #define MAX_LINKS 32
25 struct sockaddr_nl
27 sa_family_t nl_family; /* AF_NETLINK */
28 unsigned short nl_pad; /* zero */
29 __u32 nl_pid; /* process pid */
30 __u32 nl_groups; /* multicast groups mask */
33 struct nlmsghdr
35 __u32 nlmsg_len; /* Length of message including header */
36 __u16 nlmsg_type; /* Message content */
37 __u16 nlmsg_flags; /* Additional flags */
38 __u32 nlmsg_seq; /* Sequence number */
39 __u32 nlmsg_pid; /* Sending process PID */
42 /* Flags values */
44 #define NLM_F_REQUEST 1 /* It is request message. */
45 #define NLM_F_MULTI 2 /* Multipart message, terminated by NLMSG_DONE */
46 #define NLM_F_ACK 4 /* Reply with ack, with zero or error code */
47 #define NLM_F_ECHO 8 /* Echo this request */
49 /* Modifiers to GET request */
50 #define NLM_F_ROOT 0x100 /* specify tree root */
51 #define NLM_F_MATCH 0x200 /* return all matching */
52 #define NLM_F_ATOMIC 0x400 /* atomic GET */
53 #define NLM_F_DUMP (NLM_F_ROOT|NLM_F_MATCH)
55 /* Modifiers to NEW request */
56 #define NLM_F_REPLACE 0x100 /* Override existing */
57 #define NLM_F_EXCL 0x200 /* Do not touch, if it exists */
58 #define NLM_F_CREATE 0x400 /* Create, if it does not exist */
59 #define NLM_F_APPEND 0x800 /* Add to end of list */
62 4.4BSD ADD NLM_F_CREATE|NLM_F_EXCL
63 4.4BSD CHANGE NLM_F_REPLACE
65 True CHANGE NLM_F_CREATE|NLM_F_REPLACE
66 Append NLM_F_CREATE
67 Check NLM_F_EXCL
70 #define NLMSG_ALIGNTO 4
71 #define NLMSG_ALIGN(len) ( ((len)+NLMSG_ALIGNTO-1) & ~(NLMSG_ALIGNTO-1) )
72 #define NLMSG_LENGTH(len) ((len)+NLMSG_ALIGN(sizeof(struct nlmsghdr)))
73 #define NLMSG_SPACE(len) NLMSG_ALIGN(NLMSG_LENGTH(len))
74 #define NLMSG_DATA(nlh) ((void*)(((char*)nlh) + NLMSG_LENGTH(0)))
75 #define NLMSG_NEXT(nlh,len) ((len) -= NLMSG_ALIGN((nlh)->nlmsg_len), \
76 (struct nlmsghdr*)(((char*)(nlh)) + NLMSG_ALIGN((nlh)->nlmsg_len)))
77 #define NLMSG_OK(nlh,len) ((len) >= (int)sizeof(struct nlmsghdr) && \
78 (nlh)->nlmsg_len >= sizeof(struct nlmsghdr) && \
79 (nlh)->nlmsg_len <= (len))
80 #define NLMSG_PAYLOAD(nlh,len) ((nlh)->nlmsg_len - NLMSG_SPACE((len)))
82 #define NLMSG_NOOP 0x1 /* Nothing. */
83 #define NLMSG_ERROR 0x2 /* Error */
84 #define NLMSG_DONE 0x3 /* End of a dump */
85 #define NLMSG_OVERRUN 0x4 /* Data lost */
87 struct nlmsgerr
89 int error;
90 struct nlmsghdr msg;
93 #define NETLINK_ADD_MEMBERSHIP 1
94 #define NETLINK_DROP_MEMBERSHIP 2
95 #define NETLINK_PKTINFO 3
97 struct nl_pktinfo
99 __u32 group;
102 #define NET_MAJOR 36 /* Major 36 is reserved for networking */
104 enum {
105 NETLINK_UNCONNECTED = 0,
106 NETLINK_CONNECTED,
110 #endif /* __LINUX_NETLINK_H */