diff --git a/internal/socket/cmsghdr.go b/internal/socket/cmsghdr.go
index 1eb07d2..0a73e27 100644
--- a/internal/socket/cmsghdr.go
+++ b/internal/socket/cmsghdr.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
 
 package socket
 
diff --git a/internal/socket/cmsghdr_bsd.go b/internal/socket/cmsghdr_bsd.go
index d1d0c2d..14dbb3a 100644
--- a/internal/socket/cmsghdr_bsd.go
+++ b/internal/socket/cmsghdr_bsd.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build darwin dragonfly freebsd netbsd openbsd
+// +build aix darwin dragonfly freebsd netbsd openbsd
 
 package socket
 
diff --git a/internal/socket/cmsghdr_stub.go b/internal/socket/cmsghdr_stub.go
index a4e7122..e581011 100644
--- a/internal/socket/cmsghdr_stub.go
+++ b/internal/socket/cmsghdr_stub.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build !darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris
+// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris
 
 package socket
 
diff --git a/internal/socket/defs_aix.go b/internal/socket/defs_aix.go
new file mode 100644
index 0000000..ed6f807
--- /dev/null
+++ b/internal/socket/defs_aix.go
@@ -0,0 +1,47 @@
+// Copyright 2019 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 */
+// +godefs map struct_in6_addr [16]byte /* in6_addr */
+
+package socket
+
+/*
+#include <sys/socket.h>
+
+#include <netinet/in.h>
+*/
+import "C"
+
+const (
+	sysAF_UNSPEC = C.AF_UNSPEC
+	sysAF_INET   = C.AF_INET
+	sysAF_INET6  = C.AF_INET6
+
+	sysSOCK_RAW = C.SOCK_RAW
+)
+
+type iovec C.struct_iovec
+
+type msghdr C.struct_msghdr
+
+type mmsghdr C.struct_mmsghdr
+
+type cmsghdr C.struct_cmsghdr
+
+type sockaddrInet C.struct_sockaddr_in
+
+type sockaddrInet6 C.struct_sockaddr_in6
+
+const (
+	sizeofIovec   = C.sizeof_struct_iovec
+	sizeofMsghdr  = C.sizeof_struct_msghdr
+	sizeofMmsghdr = C.sizeof_struct_mmsghdr
+	sizeofCmsghdr = C.sizeof_struct_cmsghdr
+
+	sizeofSockaddrInet  = C.sizeof_struct_sockaddr_in
+	sizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
+)
diff --git a/internal/socket/error_unix.go b/internal/socket/error_unix.go
index 93dff91..f14872d 100644
--- a/internal/socket/error_unix.go
+++ b/internal/socket/error_unix.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
 
 package socket
 
diff --git a/internal/socket/iovec_64bit.go b/internal/socket/iovec_64bit.go
index afb34ad..0773882 100644
--- a/internal/socket/iovec_64bit.go
+++ b/internal/socket/iovec_64bit.go
@@ -3,7 +3,7 @@
 // license that can be found in the LICENSE file.
 
 // +build arm64 amd64 ppc64 ppc64le mips64 mips64le s390x
-// +build darwin dragonfly freebsd linux netbsd openbsd
+// +build aix darwin dragonfly freebsd linux netbsd openbsd
 
 package socket
 
diff --git a/internal/socket/iovec_stub.go b/internal/socket/iovec_stub.go
index c87d2a9..a746e90 100644
--- a/internal/socket/iovec_stub.go
+++ b/internal/socket/iovec_stub.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build !darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris
+// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris
 
 package socket
 
diff --git a/internal/socket/mmsghdr_stub.go b/internal/socket/mmsghdr_stub.go
index 2e80a9c..1a7f279 100644
--- a/internal/socket/mmsghdr_stub.go
+++ b/internal/socket/mmsghdr_stub.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build !linux,!netbsd
+// +build !aix,!linux,!netbsd
 
 package socket
 
diff --git a/internal/socket/mmsghdr_unix.go b/internal/socket/mmsghdr_unix.go
index 3c42ea7..f110068 100644
--- a/internal/socket/mmsghdr_unix.go
+++ b/internal/socket/mmsghdr_unix.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build linux netbsd
+// +build aix linux netbsd
 
 package socket
 
diff --git a/internal/socket/msghdr_bsd.go b/internal/socket/msghdr_bsd.go
index 5567afc..77f44c1 100644
--- a/internal/socket/msghdr_bsd.go
+++ b/internal/socket/msghdr_bsd.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build darwin dragonfly freebsd netbsd openbsd
+// +build aix darwin dragonfly freebsd netbsd openbsd
 
 package socket
 
diff --git a/internal/socket/msghdr_bsdvar.go b/internal/socket/msghdr_bsdvar.go
index b8c87b7..c5562dd 100644
--- a/internal/socket/msghdr_bsdvar.go
+++ b/internal/socket/msghdr_bsdvar.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build darwin dragonfly freebsd netbsd
+// +build aix darwin dragonfly freebsd netbsd
 
 package socket
 
diff --git a/internal/socket/msghdr_stub.go b/internal/socket/msghdr_stub.go
index 64e8173..873490a 100644
--- a/internal/socket/msghdr_stub.go
+++ b/internal/socket/msghdr_stub.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build !darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris
+// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris
 
 package socket
 
diff --git a/internal/socket/rawconn_msg.go b/internal/socket/rawconn_msg.go
index 76fea30..a972011 100644
--- a/internal/socket/rawconn_msg.go
+++ b/internal/socket/rawconn_msg.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows
 
 package socket
 
diff --git a/internal/socket/rawconn_nomsg.go b/internal/socket/rawconn_nomsg.go
index 404b469..b8cea6f 100644
--- a/internal/socket/rawconn_nomsg.go
+++ b/internal/socket/rawconn_nomsg.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build !darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows
+// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows
 
 package socket
 
diff --git a/internal/socket/socket_test.go b/internal/socket/socket_test.go
index 3d9e77e..0b6ebf5 100644
--- a/internal/socket/socket_test.go
+++ b/internal/socket/socket_test.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows
 
 package socket_test
 
diff --git a/internal/socket/sys_bsd.go b/internal/socket/sys_bsd.go
index a15c9e3..d432835 100644
--- a/internal/socket/sys_bsd.go
+++ b/internal/socket/sys_bsd.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build darwin dragonfly freebsd openbsd
+// +build aix darwin dragonfly freebsd openbsd
 
 package socket
 
diff --git a/internal/socket/sys_bsdvar.go b/internal/socket/sys_bsdvar.go
index 02e5606..b4f41b5 100644
--- a/internal/socket/sys_bsdvar.go
+++ b/internal/socket/sys_bsdvar.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build freebsd netbsd openbsd
+// +build aix freebsd netbsd openbsd
 
 package socket
 
@@ -15,6 +15,9 @@
 	if (runtime.GOOS == "netbsd" || runtime.GOOS == "openbsd") && runtime.GOARCH == "arm" {
 		return 8
 	}
+	if runtime.GOOS == "aix" {
+		return 1
+	}
 	var p uintptr
 	return int(unsafe.Sizeof(p))
 }
diff --git a/internal/socket/sys_go1_12_darwin.go b/internal/socket/sys_linkname.go
similarity index 97%
rename from internal/socket/sys_go1_12_darwin.go
rename to internal/socket/sys_linkname.go
index 0999a19..61c3f38 100644
--- a/internal/socket/sys_go1_12_darwin.go
+++ b/internal/socket/sys_linkname.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build go1.12
+// +build aix go1.12,darwin
 
 package socket
 
diff --git a/internal/socket/sys_posix.go b/internal/socket/sys_posix.go
index fbac72d..24fbb69 100644
--- a/internal/socket/sys_posix.go
+++ b/internal/socket/sys_posix.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris windows
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows
 
 package socket
 
diff --git a/internal/socket/sys_stub.go b/internal/socket/sys_stub.go
index e895290..0f61742 100644
--- a/internal/socket/sys_stub.go
+++ b/internal/socket/sys_stub.go
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build !darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows
+// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows
 
 package socket
 
diff --git a/internal/socket/zsys_aix_ppc64.go b/internal/socket/zsys_aix_ppc64.go
new file mode 100644
index 0000000..3a825f4
--- /dev/null
+++ b/internal/socket/zsys_aix_ppc64.go
@@ -0,0 +1,69 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_aix.go
+
+// Added for go1.11 compatibility
+// +build aix
+
+package socket
+
+const (
+	sysAF_UNSPEC = 0x0
+	sysAF_INET   = 0x2
+	sysAF_INET6  = 0x18
+
+	sysSOCK_RAW = 0x3
+)
+
+type iovec struct {
+	Base *byte
+	Len  uint64
+}
+
+type msghdr struct {
+	Name       *byte
+	Namelen    uint32
+	Iov        *iovec
+	Iovlen     int32
+	Control    *byte
+	Controllen uint32
+	Flags      int32
+}
+
+type mmsghdr struct {
+	Hdr       msghdr
+	Len       uint32
+	Pad_cgo_0 [4]byte
+}
+
+type cmsghdr struct {
+	Len   uint32
+	Level int32
+	Type  int32
+}
+
+type sockaddrInet struct {
+	Len    uint8
+	Family uint8
+	Port   uint16
+	Addr   [4]byte /* in_addr */
+	Zero   [8]uint8
+}
+
+type sockaddrInet6 struct {
+	Len      uint8
+	Family   uint8
+	Port     uint16
+	Flowinfo uint32
+	Addr     [16]byte /* in6_addr */
+	Scope_id uint32
+}
+
+const (
+	sizeofIovec   = 0x10
+	sizeofMsghdr  = 0x30
+	sizeofMmsghdr = 0x38
+	sizeofCmsghdr = 0xc
+
+	sizeofSockaddrInet  = 0x10
+	sizeofSockaddrInet6 = 0x1c
+)