111 lines
2.9 KiB
Go
111 lines
2.9 KiB
Go
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// Copyright 2018 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package linux
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// Netlink protocols, from uapi/linux/netlink.h.
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const (
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NETLINK_ROUTE = 0
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NETLINK_UNUSED = 1
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NETLINK_USERSOCK = 2
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NETLINK_FIREWALL = 3
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NETLINK_SOCK_DIAG = 4
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NETLINK_NFLOG = 5
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NETLINK_XFRM = 6
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NETLINK_SELINUX = 7
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NETLINK_ISCSI = 8
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NETLINK_AUDIT = 9
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NETLINK_FIB_LOOKUP = 10
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NETLINK_CONNECTOR = 11
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NETLINK_NETFILTER = 12
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NETLINK_IP6_FW = 13
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NETLINK_DNRTMSG = 14
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NETLINK_KOBJECT_UEVENT = 15
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NETLINK_GENERIC = 16
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NETLINK_SCSITRANSPORT = 18
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NETLINK_ECRYPTFS = 19
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NETLINK_RDMA = 20
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NETLINK_CRYPTO = 21
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)
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// SockAddrNetlink is struct sockaddr_nl, from uapi/linux/netlink.h.
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type SockAddrNetlink struct {
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Family uint16
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Padding uint16
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PortID uint32
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Groups uint32
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}
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// SockAddrNetlinkSize is the size of SockAddrNetlink.
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const SockAddrNetlinkSize = 12
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// NetlinkMessageHeader is struct nlmsghdr, from uapi/linux/netlink.h.
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type NetlinkMessageHeader struct {
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Length uint32
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Type uint16
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Flags uint16
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Seq uint32
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PortID uint32
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}
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// NetlinkMessageHeaderSize is the size of NetlinkMessageHeader.
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const NetlinkMessageHeaderSize = 16
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// Netlink message header flags, from uapi/linux/netlink.h.
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const (
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NLM_F_REQUEST = 0x1
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NLM_F_MULTI = 0x2
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NLM_F_ACK = 0x4
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NLM_F_ECHO = 0x8
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NLM_F_DUMP_INTR = 0x10
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NLM_F_ROOT = 0x100
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NLM_F_MATCH = 0x200
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NLM_F_ATOMIC = 0x400
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NLM_F_DUMP = NLM_F_ROOT | NLM_F_MATCH
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NLM_F_REPLACE = 0x100
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NLM_F_EXCL = 0x200
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NLM_F_CREATE = 0x400
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NLM_F_APPEND = 0x800
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)
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// Standard netlink message types, from uapi/linux/netlink.h.
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const (
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NLMSG_NOOP = 0x1
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NLMSG_ERROR = 0x2
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NLMSG_DONE = 0x3
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NLMSG_OVERRUN = 0x4
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// NLMSG_MIN_TYPE is the first value for protocol-level types.
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NLMSG_MIN_TYPE = 0x10
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)
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// NLMSG_ALIGNTO is the alignment of netlink messages, from
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// uapi/linux/netlink.h.
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const NLMSG_ALIGNTO = 4
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// NetlinkAttrHeader is the header of a netlink attribute, followed by payload.
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//
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// This is struct nlattr, from uapi/linux/netlink.h.
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type NetlinkAttrHeader struct {
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Length uint16
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Type uint16
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}
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// NetlinkAttrHeaderSize is the size of NetlinkAttrHeader.
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const NetlinkAttrHeaderSize = 4
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// NLA_ALIGNTO is the alignment of netlink attributes, from
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// uapi/linux/netlink.h.
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const NLA_ALIGNTO = 4
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