1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
// Copyright 2018 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package linux
// Netlink protocols, from uapi/linux/netlink.h.
const (
NETLINK_ROUTE = 0
NETLINK_UNUSED = 1
NETLINK_USERSOCK = 2
NETLINK_FIREWALL = 3
NETLINK_SOCK_DIAG = 4
NETLINK_NFLOG = 5
NETLINK_XFRM = 6
NETLINK_SELINUX = 7
NETLINK_ISCSI = 8
NETLINK_AUDIT = 9
NETLINK_FIB_LOOKUP = 10
NETLINK_CONNECTOR = 11
NETLINK_NETFILTER = 12
NETLINK_IP6_FW = 13
NETLINK_DNRTMSG = 14
NETLINK_KOBJECT_UEVENT = 15
NETLINK_GENERIC = 16
NETLINK_SCSITRANSPORT = 18
NETLINK_ECRYPTFS = 19
NETLINK_RDMA = 20
NETLINK_CRYPTO = 21
)
// SockAddrNetlink is struct sockaddr_nl, from uapi/linux/netlink.h.
//
// +marshal
type SockAddrNetlink struct {
Family uint16
_ uint16
PortID uint32
Groups uint32
}
// SockAddrNetlinkSize is the size of SockAddrNetlink.
const SockAddrNetlinkSize = 12
// NetlinkMessageHeader is struct nlmsghdr, from uapi/linux/netlink.h.
//
// +marshal
type NetlinkMessageHeader struct {
Length uint32
Type uint16
Flags uint16
Seq uint32
PortID uint32
}
// NetlinkMessageHeaderSize is the size of NetlinkMessageHeader.
const NetlinkMessageHeaderSize = 16
// Netlink message header flags, from uapi/linux/netlink.h.
const (
NLM_F_REQUEST = 0x1
NLM_F_MULTI = 0x2
NLM_F_ACK = 0x4
NLM_F_ECHO = 0x8
NLM_F_DUMP_INTR = 0x10
NLM_F_ROOT = 0x100
NLM_F_MATCH = 0x200
NLM_F_ATOMIC = 0x400
NLM_F_DUMP = NLM_F_ROOT | NLM_F_MATCH
NLM_F_REPLACE = 0x100
NLM_F_EXCL = 0x200
NLM_F_CREATE = 0x400
NLM_F_APPEND = 0x800
)
// Standard netlink message types, from uapi/linux/netlink.h.
const (
NLMSG_NOOP = 0x1
NLMSG_ERROR = 0x2
NLMSG_DONE = 0x3
NLMSG_OVERRUN = 0x4
// NLMSG_MIN_TYPE is the first value for protocol-level types.
NLMSG_MIN_TYPE = 0x10
)
// NLMSG_ALIGNTO is the alignment of netlink messages, from
// uapi/linux/netlink.h.
const NLMSG_ALIGNTO = 4
// NetlinkAttrHeader is the header of a netlink attribute, followed by payload.
//
// This is struct nlattr, from uapi/linux/netlink.h.
//
// +marshal
type NetlinkAttrHeader struct {
Length uint16
Type uint16
}
// NetlinkAttrHeaderSize is the size of NetlinkAttrHeader.
const NetlinkAttrHeaderSize = 4
// NLA_ALIGNTO is the alignment of netlink attributes, from
// uapi/linux/netlink.h.
const NLA_ALIGNTO = 4
// Socket options, from uapi/linux/netlink.h.
const (
NETLINK_ADD_MEMBERSHIP = 1
NETLINK_DROP_MEMBERSHIP = 2
NETLINK_PKTINFO = 3
NETLINK_BROADCAST_ERROR = 4
NETLINK_NO_ENOBUFS = 5
NETLINK_LISTEN_ALL_NSID = 8
NETLINK_LIST_MEMBERSHIPS = 9
NETLINK_CAP_ACK = 10
NETLINK_EXT_ACK = 11
NETLINK_DUMP_STRICT_CHK = 12
)
// NetlinkErrorMessage is struct nlmsgerr, from uapi/linux/netlink.h.
//
// +marshal
type NetlinkErrorMessage struct {
Error int32
Header NetlinkMessageHeader
}
|
