go.net/ipv4: add platform-dependent code
The syscall package of standard library is now locked down
and go.sys/unix is under curation. Also go.sys/unix doesn't
help supporting go1.3 and earlier users. There's no way to
extend this package without holding the platform adaptation
code.
LGTM=iant
R=iant
CC=golang-codereviews
https://golang.org/cl/146740043
diff --git a/ipv4/defs_darwin.go b/ipv4/defs_darwin.go
new file mode 100644
index 0000000..9d804d2
--- /dev/null
+++ b/ipv4/defs_darwin.go
@@ -0,0 +1,57 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build ignore
+
+// +godefs map struct_in_addr [4]byte /* in_addr */
+
+package ipv4
+
+/*
+#include <netinet/in.h>
+*/
+import "C"
+
+const (
+ sysIP_OPTIONS = C.IP_OPTIONS
+ sysIP_HDRINCL = C.IP_HDRINCL
+ sysIP_TOS = C.IP_TOS
+ sysIP_TTL = C.IP_TTL
+ sysIP_RECVOPTS = C.IP_RECVOPTS
+ sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
+ sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
+ sysIP_RETOPTS = C.IP_RETOPTS
+ sysIP_RECVIF = C.IP_RECVIF
+ sysIP_STRIPHDR = C.IP_STRIPHDR
+ sysIP_RECVTTL = C.IP_RECVTTL
+ sysIP_BOUND_IF = C.IP_BOUND_IF
+ sysIP_PKTINFO = C.IP_PKTINFO
+ sysIP_RECVPKTINFO = C.IP_RECVPKTINFO
+
+ sysIP_MULTICAST_IF = C.IP_MULTICAST_IF
+ sysIP_MULTICAST_TTL = C.IP_MULTICAST_TTL
+ sysIP_MULTICAST_LOOP = C.IP_MULTICAST_LOOP
+ sysIP_ADD_MEMBERSHIP = C.IP_ADD_MEMBERSHIP
+ sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
+ sysIP_MULTICAST_VIF = C.IP_MULTICAST_VIF
+ sysIP_MULTICAST_IFINDEX = C.IP_MULTICAST_IFINDEX
+ sysIP_ADD_SOURCE_MEMBERSHIP = C.IP_ADD_SOURCE_MEMBERSHIP
+ sysIP_DROP_SOURCE_MEMBERSHIP = C.IP_DROP_SOURCE_MEMBERSHIP
+ sysIP_BLOCK_SOURCE = C.IP_BLOCK_SOURCE
+ sysIP_UNBLOCK_SOURCE = C.IP_UNBLOCK_SOURCE
+
+ sysSizeofInetPktinfo = C.sizeof_struct_in_pktinfo
+
+ sysSizeofIPMreq = C.sizeof_struct_ip_mreq
+ sysSizeofIPMreqn = C.sizeof_struct_ip_mreqn
+ sysSizeofIPMreqSource = C.sizeof_struct_ip_mreq_source
+)
+
+type sysInetPktinfo C.struct_in_pktinfo
+
+type sysIPMreq C.struct_ip_mreq
+
+type sysIPMreqn C.struct_ip_mreqn
+
+type sysIPMreqSource C.struct_ip_mreq_source
diff --git a/ipv4/defs_dragonfly.go b/ipv4/defs_dragonfly.go
new file mode 100644
index 0000000..08e3b85
--- /dev/null
+++ b/ipv4/defs_dragonfly.go
@@ -0,0 +1,38 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build ignore
+
+// +godefs map struct_in_addr [4]byte /* in_addr */
+
+package ipv4
+
+/*
+#include <netinet/in.h>
+*/
+import "C"
+
+const (
+ sysIP_OPTIONS = C.IP_OPTIONS
+ sysIP_HDRINCL = C.IP_HDRINCL
+ sysIP_TOS = C.IP_TOS
+ sysIP_TTL = C.IP_TTL
+ sysIP_RECVOPTS = C.IP_RECVOPTS
+ sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
+ sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
+ sysIP_RETOPTS = C.IP_RETOPTS
+ sysIP_RECVIF = C.IP_RECVIF
+ sysIP_RECVTTL = C.IP_RECVTTL
+
+ sysIP_MULTICAST_IF = C.IP_MULTICAST_IF
+ sysIP_MULTICAST_TTL = C.IP_MULTICAST_TTL
+ sysIP_MULTICAST_LOOP = C.IP_MULTICAST_LOOP
+ sysIP_MULTICAST_VIF = C.IP_MULTICAST_VIF
+ sysIP_ADD_MEMBERSHIP = C.IP_ADD_MEMBERSHIP
+ sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
+
+ sysSizeofIPMreq = C.sizeof_struct_ip_mreq
+)
+
+type sysIPMreq C.struct_ip_mreq
diff --git a/ipv4/defs_freebsd.go b/ipv4/defs_freebsd.go
new file mode 100644
index 0000000..d732c4a
--- /dev/null
+++ b/ipv4/defs_freebsd.go
@@ -0,0 +1,54 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build ignore
+
+// +godefs map struct_in_addr [4]byte /* in_addr */
+
+package ipv4
+
+/*
+#include <netinet/in.h>
+*/
+import "C"
+
+const (
+ sysIP_OPTIONS = C.IP_OPTIONS
+ sysIP_HDRINCL = C.IP_HDRINCL
+ sysIP_TOS = C.IP_TOS
+ sysIP_TTL = C.IP_TTL
+ sysIP_RECVOPTS = C.IP_RECVOPTS
+ sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
+ sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
+ sysIP_SENDSRCADDR = C.IP_SENDSRCADDR
+ sysIP_RETOPTS = C.IP_RETOPTS
+ sysIP_RECVIF = C.IP_RECVIF
+ sysIP_ONESBCAST = C.IP_ONESBCAST
+ sysIP_BINDANY = C.IP_BINDANY
+ sysIP_RECVTTL = C.IP_RECVTTL
+ sysIP_MINTTL = C.IP_MINTTL
+ sysIP_DONTFRAG = C.IP_DONTFRAG
+ sysIP_RECVTOS = C.IP_RECVTOS
+
+ sysIP_MULTICAST_IF = C.IP_MULTICAST_IF
+ sysIP_MULTICAST_TTL = C.IP_MULTICAST_TTL
+ sysIP_MULTICAST_LOOP = C.IP_MULTICAST_LOOP
+ sysIP_ADD_MEMBERSHIP = C.IP_ADD_MEMBERSHIP
+ sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
+ sysIP_MULTICAST_VIF = C.IP_MULTICAST_VIF
+ sysIP_ADD_SOURCE_MEMBERSHIP = C.IP_ADD_SOURCE_MEMBERSHIP
+ sysIP_DROP_SOURCE_MEMBERSHIP = C.IP_DROP_SOURCE_MEMBERSHIP
+ sysIP_BLOCK_SOURCE = C.IP_BLOCK_SOURCE
+ sysIP_UNBLOCK_SOURCE = C.IP_UNBLOCK_SOURCE
+
+ sysSizeofIPMreq = C.sizeof_struct_ip_mreq
+ sysSizeofIPMreqn = C.sizeof_struct_ip_mreqn
+ sysSizeofIPMreqSource = C.sizeof_struct_ip_mreq_source
+)
+
+type sysIPMreq C.struct_ip_mreq
+
+type sysIPMreqn C.struct_ip_mreqn
+
+type sysIPMreqSource C.struct_ip_mreq_source
diff --git a/ipv4/defs_linux.go b/ipv4/defs_linux.go
new file mode 100644
index 0000000..cbc5aee
--- /dev/null
+++ b/ipv4/defs_linux.go
@@ -0,0 +1,82 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build ignore
+
+// +godefs map struct_in_addr [4]byte /* in_addr */
+
+package ipv4
+
+/*
+#include <linux/errqueue.h>
+#include <linux/in.h>
+*/
+import "C"
+
+const (
+ sysIP_TOS = C.IP_TOS
+ sysIP_TTL = C.IP_TTL
+ sysIP_HDRINCL = C.IP_HDRINCL
+ sysIP_OPTIONS = C.IP_OPTIONS
+ sysIP_ROUTER_ALERT = C.IP_ROUTER_ALERT
+ sysIP_RECVOPTS = C.IP_RECVOPTS
+ sysIP_RETOPTS = C.IP_RETOPTS
+ sysIP_PKTINFO = C.IP_PKTINFO
+ sysIP_PKTOPTIONS = C.IP_PKTOPTIONS
+ sysIP_MTU_DISCOVER = C.IP_MTU_DISCOVER
+ sysIP_RECVERR = C.IP_RECVERR
+ sysIP_RECVTTL = C.IP_RECVTTL
+ sysIP_RECVTOS = C.IP_RECVTOS
+ sysIP_MTU = C.IP_MTU
+ sysIP_FREEBIND = C.IP_FREEBIND
+ sysIP_TRANSPARENT = C.IP_TRANSPARENT
+ sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
+ sysIP_ORIGDSTADDR = C.IP_ORIGDSTADDR
+ sysIP_RECVORIGDSTADDR = C.IP_RECVORIGDSTADDR
+ sysIP_MINTTL = C.IP_MINTTL
+ sysIP_NODEFRAG = C.IP_NODEFRAG
+ sysIP_UNICAST_IF = C.IP_UNICAST_IF
+
+ sysIP_MULTICAST_IF = C.IP_MULTICAST_IF
+ sysIP_MULTICAST_TTL = C.IP_MULTICAST_TTL
+ sysIP_MULTICAST_LOOP = C.IP_MULTICAST_LOOP
+ sysIP_ADD_MEMBERSHIP = C.IP_ADD_MEMBERSHIP
+ sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
+ sysIP_UNBLOCK_SOURCE = C.IP_UNBLOCK_SOURCE
+ sysIP_BLOCK_SOURCE = C.IP_BLOCK_SOURCE
+ sysIP_ADD_SOURCE_MEMBERSHIP = C.IP_ADD_SOURCE_MEMBERSHIP
+ sysIP_DROP_SOURCE_MEMBERSHIP = C.IP_DROP_SOURCE_MEMBERSHIP
+ sysIP_MULTICAST_ALL = C.IP_MULTICAST_ALL
+
+ sysIP_PMTUDISC_DONT = C.IP_PMTUDISC_DONT
+ sysIP_PMTUDISC_WANT = C.IP_PMTUDISC_WANT
+ sysIP_PMTUDISC_DO = C.IP_PMTUDISC_DO
+ sysIP_PMTUDISC_PROBE = C.IP_PMTUDISC_PROBE
+ sysIP_PMTUDISC_INTERFACE = C.IP_PMTUDISC_INTERFACE
+ sysIP_PMTUDISC_OMIT = C.IP_PMTUDISC_OMIT
+
+ sysSO_EE_ORIGIN_NONE = C.SO_EE_ORIGIN_NONE
+ sysSO_EE_ORIGIN_LOCAL = C.SO_EE_ORIGIN_LOCAL
+ sysSO_EE_ORIGIN_ICMP = C.SO_EE_ORIGIN_ICMP
+ sysSO_EE_ORIGIN_ICMP6 = C.SO_EE_ORIGIN_ICMP6
+ sysSO_EE_ORIGIN_TXSTATUS = C.SO_EE_ORIGIN_TXSTATUS
+ sysSO_EE_ORIGIN_TIMESTAMPING = C.SO_EE_ORIGIN_TIMESTAMPING
+
+ sysSizeofInetPktinfo = C.sizeof_struct_in_pktinfo
+ sysSizeofSockExtendedErr = C.sizeof_struct_sock_extended_err
+
+ sysSizeofIPMreq = C.sizeof_struct_ip_mreq
+ sysSizeofIPMreqn = C.sizeof_struct_ip_mreqn
+ sysSizeofIPMreqSource = C.sizeof_struct_ip_mreq_source
+)
+
+type sysInetPktinfo C.struct_in_pktinfo
+
+type sysSockExtendedErr C.struct_sock_extended_err
+
+type sysIPMreq C.struct_ip_mreq
+
+type sysIPMreqn C.struct_ip_mreqn
+
+type sysIPMreqSource C.struct_ip_mreq_source
diff --git a/ipv4/defs_netbsd.go b/ipv4/defs_netbsd.go
new file mode 100644
index 0000000..8642354
--- /dev/null
+++ b/ipv4/defs_netbsd.go
@@ -0,0 +1,37 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build ignore
+
+// +godefs map struct_in_addr [4]byte /* in_addr */
+
+package ipv4
+
+/*
+#include <netinet/in.h>
+*/
+import "C"
+
+const (
+ sysIP_OPTIONS = C.IP_OPTIONS
+ sysIP_HDRINCL = C.IP_HDRINCL
+ sysIP_TOS = C.IP_TOS
+ sysIP_TTL = C.IP_TTL
+ sysIP_RECVOPTS = C.IP_RECVOPTS
+ sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
+ sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
+ sysIP_RETOPTS = C.IP_RETOPTS
+ sysIP_RECVIF = C.IP_RECVIF
+ sysIP_RECVTTL = C.IP_RECVTTL
+
+ sysIP_MULTICAST_IF = C.IP_MULTICAST_IF
+ sysIP_MULTICAST_TTL = C.IP_MULTICAST_TTL
+ sysIP_MULTICAST_LOOP = C.IP_MULTICAST_LOOP
+ sysIP_ADD_MEMBERSHIP = C.IP_ADD_MEMBERSHIP
+ sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
+
+ sysSizeofIPMreq = C.sizeof_struct_ip_mreq
+)
+
+type sysIPMreq C.struct_ip_mreq
diff --git a/ipv4/defs_openbsd.go b/ipv4/defs_openbsd.go
new file mode 100644
index 0000000..8642354
--- /dev/null
+++ b/ipv4/defs_openbsd.go
@@ -0,0 +1,37 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build ignore
+
+// +godefs map struct_in_addr [4]byte /* in_addr */
+
+package ipv4
+
+/*
+#include <netinet/in.h>
+*/
+import "C"
+
+const (
+ sysIP_OPTIONS = C.IP_OPTIONS
+ sysIP_HDRINCL = C.IP_HDRINCL
+ sysIP_TOS = C.IP_TOS
+ sysIP_TTL = C.IP_TTL
+ sysIP_RECVOPTS = C.IP_RECVOPTS
+ sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
+ sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
+ sysIP_RETOPTS = C.IP_RETOPTS
+ sysIP_RECVIF = C.IP_RECVIF
+ sysIP_RECVTTL = C.IP_RECVTTL
+
+ sysIP_MULTICAST_IF = C.IP_MULTICAST_IF
+ sysIP_MULTICAST_TTL = C.IP_MULTICAST_TTL
+ sysIP_MULTICAST_LOOP = C.IP_MULTICAST_LOOP
+ sysIP_ADD_MEMBERSHIP = C.IP_ADD_MEMBERSHIP
+ sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
+
+ sysSizeofIPMreq = C.sizeof_struct_ip_mreq
+)
+
+type sysIPMreq C.struct_ip_mreq
diff --git a/ipv4/defs_solaris.go b/ipv4/defs_solaris.go
new file mode 100644
index 0000000..bb74afa
--- /dev/null
+++ b/ipv4/defs_solaris.go
@@ -0,0 +1,57 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build ignore
+
+// +godefs map struct_in_addr [4]byte /* in_addr */
+
+package ipv4
+
+/*
+#include <netinet/in.h>
+*/
+import "C"
+
+const (
+ sysIP_OPTIONS = C.IP_OPTIONS
+ sysIP_HDRINCL = C.IP_HDRINCL
+ sysIP_TOS = C.IP_TOS
+ sysIP_TTL = C.IP_TTL
+ sysIP_RECVOPTS = C.IP_RECVOPTS
+ sysIP_RECVRETOPTS = C.IP_RECVRETOPTS
+ sysIP_RECVDSTADDR = C.IP_RECVDSTADDR
+ sysIP_RETOPTS = C.IP_RETOPTS
+ sysIP_RECVIF = C.IP_RECVIF
+ sysIP_RECVSLLA = C.IP_RECVSLLA
+ sysIP_RECVTTL = C.IP_RECVTTL
+ sysIP_NEXTHOP = C.IP_NEXTHOP
+ sysIP_PKTINFO = C.IP_PKTINFO
+ sysIP_RECVPKTINFO = C.IP_RECVPKTINFO
+ sysIP_DONTFRAG = C.IP_DONTFRAG
+ sysIP_BOUND_IF = C.IP_BOUND_IF
+ sysIP_UNSPEC_SRC = C.IP_UNSPEC_SRC
+ sysIP_BROADCAST_TTL = C.IP_BROADCAST_TTL
+ sysIP_DHCPINIT_IF = C.IP_DHCPINIT_IF
+
+ sysIP_MULTICAST_IF = C.IP_MULTICAST_IF
+ sysIP_MULTICAST_TTL = C.IP_MULTICAST_TTL
+ sysIP_MULTICAST_LOOP = C.IP_MULTICAST_LOOP
+ sysIP_ADD_MEMBERSHIP = C.IP_ADD_MEMBERSHIP
+ sysIP_DROP_MEMBERSHIP = C.IP_DROP_MEMBERSHIP
+ sysIP_BLOCK_SOURCE = C.IP_BLOCK_SOURCE
+ sysIP_UNBLOCK_SOURCE = C.IP_UNBLOCK_SOURCE
+ sysIP_ADD_SOURCE_MEMBERSHIP = C.IP_ADD_SOURCE_MEMBERSHIP
+ sysIP_DROP_SOURCE_MEMBERSHIP = C.IP_DROP_SOURCE_MEMBERSHIP
+
+ sysSizeofInetPktinfo = C.sizeof_struct_in_pktinfo
+
+ sysSizeofIPMreq = C.sizeof_struct_ip_mreq
+ sysSizeofIPMreqSource = C.sizeof_struct_ip_mreq_source
+)
+
+type sysInetPktinfo C.struct_in_pktinfo
+
+type sysIPMreq C.struct_ip_mreq
+
+type sysIPMreqSource C.struct_ip_mreq_source
diff --git a/ipv4/zsys_darwin.go b/ipv4/zsys_darwin.go
new file mode 100644
index 0000000..5fe13fc
--- /dev/null
+++ b/ipv4/zsys_darwin.go
@@ -0,0 +1,62 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs defs_darwin.go
+
+package ipv4
+
+const (
+ sysIP_OPTIONS = 0x1
+ sysIP_HDRINCL = 0x2
+ sysIP_TOS = 0x3
+ sysIP_TTL = 0x4
+ sysIP_RECVOPTS = 0x5
+ sysIP_RECVRETOPTS = 0x6
+ sysIP_RECVDSTADDR = 0x7
+ sysIP_RETOPTS = 0x8
+ sysIP_RECVIF = 0x14
+ sysIP_STRIPHDR = 0x17
+ sysIP_RECVTTL = 0x18
+ sysIP_BOUND_IF = 0x19
+ sysIP_PKTINFO = 0x1a
+ sysIP_RECVPKTINFO = 0x1a
+
+ sysIP_MULTICAST_IF = 0x9
+ sysIP_MULTICAST_TTL = 0xa
+ sysIP_MULTICAST_LOOP = 0xb
+ sysIP_ADD_MEMBERSHIP = 0xc
+ sysIP_DROP_MEMBERSHIP = 0xd
+ sysIP_MULTICAST_VIF = 0xe
+ sysIP_MULTICAST_IFINDEX = 0x42
+ sysIP_ADD_SOURCE_MEMBERSHIP = 0x46
+ sysIP_DROP_SOURCE_MEMBERSHIP = 0x47
+ sysIP_BLOCK_SOURCE = 0x48
+ sysIP_UNBLOCK_SOURCE = 0x49
+
+ sysSizeofInetPktinfo = 0xc
+
+ sysSizeofIPMreq = 0x8
+ sysSizeofIPMreqn = 0xc
+ sysSizeofIPMreqSource = 0xc
+)
+
+type sysInetPktinfo struct {
+ Ifindex uint32
+ Spec_dst [4]byte /* in_addr */
+ Addr [4]byte /* in_addr */
+}
+
+type sysIPMreq struct {
+ Multiaddr [4]byte /* in_addr */
+ Interface [4]byte /* in_addr */
+}
+
+type sysIPMreqn struct {
+ Multiaddr [4]byte /* in_addr */
+ Address [4]byte /* in_addr */
+ Ifindex int32
+}
+
+type sysIPMreqSource struct {
+ Multiaddr [4]byte /* in_addr */
+ Sourceaddr [4]byte /* in_addr */
+ Interface [4]byte /* in_addr */
+}
diff --git a/ipv4/zsys_dragonfly.go b/ipv4/zsys_dragonfly.go
new file mode 100644
index 0000000..2c15bf4
--- /dev/null
+++ b/ipv4/zsys_dragonfly.go
@@ -0,0 +1,31 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs defs_dragonfly.go
+
+package ipv4
+
+const (
+ sysIP_OPTIONS = 0x1
+ sysIP_HDRINCL = 0x2
+ sysIP_TOS = 0x3
+ sysIP_TTL = 0x4
+ sysIP_RECVOPTS = 0x5
+ sysIP_RECVRETOPTS = 0x6
+ sysIP_RECVDSTADDR = 0x7
+ sysIP_RETOPTS = 0x8
+ sysIP_RECVIF = 0x14
+ sysIP_RECVTTL = 0x41
+
+ sysIP_MULTICAST_IF = 0x9
+ sysIP_MULTICAST_TTL = 0xa
+ sysIP_MULTICAST_LOOP = 0xb
+ sysIP_MULTICAST_VIF = 0xe
+ sysIP_ADD_MEMBERSHIP = 0xc
+ sysIP_DROP_MEMBERSHIP = 0xd
+
+ sysSizeofIPMreq = 0x8
+)
+
+type sysIPMreq struct {
+ Multiaddr [4]byte /* in_addr */
+ Interface [4]byte /* in_addr */
+}
diff --git a/ipv4/zsys_freebsd.go b/ipv4/zsys_freebsd.go
new file mode 100644
index 0000000..9728714
--- /dev/null
+++ b/ipv4/zsys_freebsd.go
@@ -0,0 +1,55 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs defs_freebsd.go
+
+package ipv4
+
+const (
+ sysIP_OPTIONS = 0x1
+ sysIP_HDRINCL = 0x2
+ sysIP_TOS = 0x3
+ sysIP_TTL = 0x4
+ sysIP_RECVOPTS = 0x5
+ sysIP_RECVRETOPTS = 0x6
+ sysIP_RECVDSTADDR = 0x7
+ sysIP_SENDSRCADDR = 0x7
+ sysIP_RETOPTS = 0x8
+ sysIP_RECVIF = 0x14
+ sysIP_ONESBCAST = 0x17
+ sysIP_BINDANY = 0x18
+ sysIP_RECVTTL = 0x41
+ sysIP_MINTTL = 0x42
+ sysIP_DONTFRAG = 0x43
+ sysIP_RECVTOS = 0x44
+
+ sysIP_MULTICAST_IF = 0x9
+ sysIP_MULTICAST_TTL = 0xa
+ sysIP_MULTICAST_LOOP = 0xb
+ sysIP_ADD_MEMBERSHIP = 0xc
+ sysIP_DROP_MEMBERSHIP = 0xd
+ sysIP_MULTICAST_VIF = 0xe
+ sysIP_ADD_SOURCE_MEMBERSHIP = 0x46
+ sysIP_DROP_SOURCE_MEMBERSHIP = 0x47
+ sysIP_BLOCK_SOURCE = 0x48
+ sysIP_UNBLOCK_SOURCE = 0x49
+
+ sysSizeofIPMreq = 0x8
+ sysSizeofIPMreqn = 0xc
+ sysSizeofIPMreqSource = 0xc
+)
+
+type sysIPMreq struct {
+ Multiaddr [4]byte /* in_addr */
+ Interface [4]byte /* in_addr */
+}
+
+type sysIPMreqn struct {
+ Multiaddr [4]byte /* in_addr */
+ Address [4]byte /* in_addr */
+ Ifindex int32
+}
+
+type sysIPMreqSource struct {
+ Multiaddr [4]byte /* in_addr */
+ Sourceaddr [4]byte /* in_addr */
+ Interface [4]byte /* in_addr */
+}
diff --git a/ipv4/zsys_linux.go b/ipv4/zsys_linux.go
new file mode 100644
index 0000000..98d2efa
--- /dev/null
+++ b/ipv4/zsys_linux.go
@@ -0,0 +1,94 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs defs_linux.go
+
+package ipv4
+
+const (
+ sysIP_TOS = 0x1
+ sysIP_TTL = 0x2
+ sysIP_HDRINCL = 0x3
+ sysIP_OPTIONS = 0x4
+ sysIP_ROUTER_ALERT = 0x5
+ sysIP_RECVOPTS = 0x6
+ sysIP_RETOPTS = 0x7
+ sysIP_PKTINFO = 0x8
+ sysIP_PKTOPTIONS = 0x9
+ sysIP_MTU_DISCOVER = 0xa
+ sysIP_RECVERR = 0xb
+ sysIP_RECVTTL = 0xc
+ sysIP_RECVTOS = 0xd
+ sysIP_MTU = 0xe
+ sysIP_FREEBIND = 0xf
+ sysIP_TRANSPARENT = 0x13
+ sysIP_RECVRETOPTS = 0x7
+ sysIP_ORIGDSTADDR = 0x14
+ sysIP_RECVORIGDSTADDR = 0x14
+ sysIP_MINTTL = 0x15
+ sysIP_NODEFRAG = 0x16
+ sysIP_UNICAST_IF = 0x32
+
+ sysIP_MULTICAST_IF = 0x20
+ sysIP_MULTICAST_TTL = 0x21
+ sysIP_MULTICAST_LOOP = 0x22
+ sysIP_ADD_MEMBERSHIP = 0x23
+ sysIP_DROP_MEMBERSHIP = 0x24
+ sysIP_UNBLOCK_SOURCE = 0x25
+ sysIP_BLOCK_SOURCE = 0x26
+ sysIP_ADD_SOURCE_MEMBERSHIP = 0x27
+ sysIP_DROP_SOURCE_MEMBERSHIP = 0x28
+ sysIP_MULTICAST_ALL = 0x31
+
+ sysIP_PMTUDISC_DONT = 0x0
+ sysIP_PMTUDISC_WANT = 0x1
+ sysIP_PMTUDISC_DO = 0x2
+ sysIP_PMTUDISC_PROBE = 0x3
+ sysIP_PMTUDISC_INTERFACE = 0x4
+ sysIP_PMTUDISC_OMIT = 0x5
+
+ sysSO_EE_ORIGIN_NONE = 0x0
+ sysSO_EE_ORIGIN_LOCAL = 0x1
+ sysSO_EE_ORIGIN_ICMP = 0x2
+ sysSO_EE_ORIGIN_ICMP6 = 0x3
+ sysSO_EE_ORIGIN_TXSTATUS = 0x4
+ sysSO_EE_ORIGIN_TIMESTAMPING = 0x4
+
+ sysSizeofInetPktinfo = 0xc
+ sysSizeofSockExtendedErr = 0x10
+
+ sysSizeofIPMreq = 0x8
+ sysSizeofIPMreqn = 0xc
+ sysSizeofIPMreqSource = 0xc
+)
+
+type sysInetPktinfo struct {
+ Ifindex int32
+ Spec_dst [4]byte /* in_addr */
+ Addr [4]byte /* in_addr */
+}
+
+type sysSockExtendedErr struct {
+ Errno uint32
+ Origin uint8
+ Type uint8
+ Code uint8
+ Pad uint8
+ Info uint32
+ Data uint32
+}
+
+type sysIPMreq struct {
+ Multiaddr [4]byte /* in_addr */
+ Interface [4]byte /* in_addr */
+}
+
+type sysIPMreqn struct {
+ Multiaddr [4]byte /* in_addr */
+ Address [4]byte /* in_addr */
+ Ifindex int32
+}
+
+type sysIPMreqSource struct {
+ Multiaddr uint32
+ Interface uint32
+ Sourceaddr uint32
+}
diff --git a/ipv4/zsys_netbsd.go b/ipv4/zsys_netbsd.go
new file mode 100644
index 0000000..8a440eb
--- /dev/null
+++ b/ipv4/zsys_netbsd.go
@@ -0,0 +1,30 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs defs_netbsd.go
+
+package ipv4
+
+const (
+ sysIP_OPTIONS = 0x1
+ sysIP_HDRINCL = 0x2
+ sysIP_TOS = 0x3
+ sysIP_TTL = 0x4
+ sysIP_RECVOPTS = 0x5
+ sysIP_RECVRETOPTS = 0x6
+ sysIP_RECVDSTADDR = 0x7
+ sysIP_RETOPTS = 0x8
+ sysIP_RECVIF = 0x14
+ sysIP_RECVTTL = 0x17
+
+ sysIP_MULTICAST_IF = 0x9
+ sysIP_MULTICAST_TTL = 0xa
+ sysIP_MULTICAST_LOOP = 0xb
+ sysIP_ADD_MEMBERSHIP = 0xc
+ sysIP_DROP_MEMBERSHIP = 0xd
+
+ sysSizeofIPMreq = 0x8
+)
+
+type sysIPMreq struct {
+ Multiaddr [4]byte /* in_addr */
+ Interface [4]byte /* in_addr */
+}
diff --git a/ipv4/zsys_openbsd.go b/ipv4/zsys_openbsd.go
new file mode 100644
index 0000000..fd522b5
--- /dev/null
+++ b/ipv4/zsys_openbsd.go
@@ -0,0 +1,30 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs defs_openbsd.go
+
+package ipv4
+
+const (
+ sysIP_OPTIONS = 0x1
+ sysIP_HDRINCL = 0x2
+ sysIP_TOS = 0x3
+ sysIP_TTL = 0x4
+ sysIP_RECVOPTS = 0x5
+ sysIP_RECVRETOPTS = 0x6
+ sysIP_RECVDSTADDR = 0x7
+ sysIP_RETOPTS = 0x8
+ sysIP_RECVIF = 0x1e
+ sysIP_RECVTTL = 0x1f
+
+ sysIP_MULTICAST_IF = 0x9
+ sysIP_MULTICAST_TTL = 0xa
+ sysIP_MULTICAST_LOOP = 0xb
+ sysIP_ADD_MEMBERSHIP = 0xc
+ sysIP_DROP_MEMBERSHIP = 0xd
+
+ sysSizeofIPMreq = 0x8
+)
+
+type sysIPMreq struct {
+ Multiaddr [4]byte /* in_addr */
+ Interface [4]byte /* in_addr */
+}
diff --git a/ipv4/zsys_solaris.go b/ipv4/zsys_solaris.go
new file mode 100644
index 0000000..9039cea
--- /dev/null
+++ b/ipv4/zsys_solaris.go
@@ -0,0 +1,58 @@
+// Created by cgo -godefs - DO NOT EDIT
+// cgo -godefs defs_solaris.go
+
+package ipv4
+
+const (
+ sysIP_OPTIONS = 0x1
+ sysIP_HDRINCL = 0x2
+ sysIP_TOS = 0x3
+ sysIP_TTL = 0x4
+ sysIP_RECVOPTS = 0x5
+ sysIP_RECVRETOPTS = 0x6
+ sysIP_RECVDSTADDR = 0x7
+ sysIP_RETOPTS = 0x8
+ sysIP_RECVIF = 0x9
+ sysIP_RECVSLLA = 0xa
+ sysIP_RECVTTL = 0xb
+ sysIP_NEXTHOP = 0x19
+ sysIP_PKTINFO = 0x1a
+ sysIP_RECVPKTINFO = 0x1a
+ sysIP_DONTFRAG = 0x1b
+ sysIP_BOUND_IF = 0x41
+ sysIP_UNSPEC_SRC = 0x42
+ sysIP_BROADCAST_TTL = 0x43
+ sysIP_DHCPINIT_IF = 0x45
+
+ sysIP_MULTICAST_IF = 0x10
+ sysIP_MULTICAST_TTL = 0x11
+ sysIP_MULTICAST_LOOP = 0x12
+ sysIP_ADD_MEMBERSHIP = 0x13
+ sysIP_DROP_MEMBERSHIP = 0x14
+ sysIP_BLOCK_SOURCE = 0x15
+ sysIP_UNBLOCK_SOURCE = 0x16
+ sysIP_ADD_SOURCE_MEMBERSHIP = 0x17
+ sysIP_DROP_SOURCE_MEMBERSHIP = 0x18
+
+ sysSizeofInetPktinfo = 0xc
+
+ sysSizeofIPMreq = 0x8
+ sysSizeofIPMreqSource = 0xc
+)
+
+type sysInetPktinfo struct {
+ Ifindex uint32
+ Spec_dst [4]byte /* in_addr */
+ Addr [4]byte /* in_addr */
+}
+
+type sysIPMreq struct {
+ Multiaddr [4]byte /* in_addr */
+ Interface [4]byte /* in_addr */
+}
+
+type sysIPMreqSource struct {
+ Multiaddr [4]byte /* in_addr */
+ Sourceaddr [4]byte /* in_addr */
+ Interface [4]byte /* in_addr */
+}