diff --git a/unix/types_aix.go b/unix/types_aix.go
index c3907410..40d2beed 100644
--- a/unix/types_aix.go
+++ b/unix/types_aix.go
@@ -131,6 +131,8 @@ type RawSockaddrInet6 C.struct_sockaddr_in6
 
 type RawSockaddrUnix C.struct_sockaddr_un
 
+type RawSockaddrDatalink C.struct_sockaddr_dl
+
 type RawSockaddr C.struct_sockaddr
 
 type RawSockaddrAny C.struct_sockaddr_any
@@ -154,17 +156,18 @@ type Linger C.struct_linger
 type Msghdr C.struct_msghdr
 
 const (
-	SizeofSockaddrInet4 = C.sizeof_struct_sockaddr_in
-	SizeofSockaddrInet6 = C.sizeof_struct_sockaddr_in6
-	SizeofSockaddrAny   = C.sizeof_struct_sockaddr_any
-	SizeofSockaddrUnix  = C.sizeof_struct_sockaddr_un
-	SizeofLinger        = C.sizeof_struct_linger
-	SizeofIPMreq        = C.sizeof_struct_ip_mreq
-	SizeofIPv6Mreq      = C.sizeof_struct_ipv6_mreq
-	SizeofIPv6MTUInfo   = C.sizeof_struct_ip6_mtuinfo
-	SizeofMsghdr        = C.sizeof_struct_msghdr
-	SizeofCmsghdr       = C.sizeof_struct_cmsghdr
-	SizeofICMPv6Filter  = C.sizeof_struct_icmp6_filter
+	SizeofSockaddrInet4    = C.sizeof_struct_sockaddr_in
+	SizeofSockaddrInet6    = C.sizeof_struct_sockaddr_in6
+	SizeofSockaddrAny      = C.sizeof_struct_sockaddr_any
+	SizeofSockaddrUnix     = C.sizeof_struct_sockaddr_un
+	SizeofSockaddrDatalink = C.sizeof_struct_sockaddr_dl
+	SizeofLinger           = C.sizeof_struct_linger
+	SizeofIPMreq           = C.sizeof_struct_ip_mreq
+	SizeofIPv6Mreq         = C.sizeof_struct_ipv6_mreq
+	SizeofIPv6MTUInfo      = C.sizeof_struct_ip6_mtuinfo
+	SizeofMsghdr           = C.sizeof_struct_msghdr
+	SizeofCmsghdr          = C.sizeof_struct_cmsghdr
+	SizeofICMPv6Filter     = C.sizeof_struct_icmp6_filter
 )
 
 // Routing and interface messages
diff --git a/unix/ztypes_aix_ppc.go b/unix/ztypes_aix_ppc.go
index 2942cfef..2c1f815e 100644
--- a/unix/ztypes_aix_ppc.go
+++ b/unix/ztypes_aix_ppc.go
@@ -143,6 +143,17 @@ type RawSockaddrUnix struct {
 	Path   [1023]uint8
 }
 
+type RawSockaddrDatalink struct {
+	Len    uint8
+	Family uint8
+	Index  uint16
+	Type   uint8
+	Nlen   uint8
+	Alen   uint8
+	Slen   uint8
+	Data   [120]uint8
+}
+
 type RawSockaddr struct {
 	Len    uint8
 	Family uint8
@@ -202,17 +213,18 @@ type Msghdr struct {
 }
 
 const (
-	SizeofSockaddrInet4 = 0x10
-	SizeofSockaddrInet6 = 0x1c
-	SizeofSockaddrAny   = 0x404
-	SizeofSockaddrUnix  = 0x401
-	SizeofLinger        = 0x8
-	SizeofIPMreq        = 0x8
-	SizeofIPv6Mreq      = 0x14
-	SizeofIPv6MTUInfo   = 0x20
-	SizeofMsghdr        = 0x1c
-	SizeofCmsghdr       = 0xc
-	SizeofICMPv6Filter  = 0x20
+	SizeofSockaddrInet4    = 0x10
+	SizeofSockaddrInet6    = 0x1c
+	SizeofSockaddrAny      = 0x404
+	SizeofSockaddrUnix     = 0x401
+	SizeofSockaddrDatalink = 0x80
+	SizeofLinger           = 0x8
+	SizeofIPMreq           = 0x8
+	SizeofIPv6Mreq         = 0x14
+	SizeofIPv6MTUInfo      = 0x20
+	SizeofMsghdr           = 0x1c
+	SizeofCmsghdr          = 0xc
+	SizeofICMPv6Filter     = 0x20
 )
 
 const (
diff --git a/unix/ztypes_aix_ppc64.go b/unix/ztypes_aix_ppc64.go
index 315c5632..b4a069ec 100644
--- a/unix/ztypes_aix_ppc64.go
+++ b/unix/ztypes_aix_ppc64.go
@@ -147,6 +147,17 @@ type RawSockaddrUnix struct {
 	Path   [1023]uint8
 }
 
+type RawSockaddrDatalink struct {
+	Len    uint8
+	Family uint8
+	Index  uint16
+	Type   uint8
+	Nlen   uint8
+	Alen   uint8
+	Slen   uint8
+	Data   [120]uint8
+}
+
 type RawSockaddr struct {
 	Len    uint8
 	Family uint8
@@ -206,17 +217,18 @@ type Msghdr struct {
 }
 
 const (
-	SizeofSockaddrInet4 = 0x10
-	SizeofSockaddrInet6 = 0x1c
-	SizeofSockaddrAny   = 0x404
-	SizeofSockaddrUnix  = 0x401
-	SizeofLinger        = 0x8
-	SizeofIPMreq        = 0x8
-	SizeofIPv6Mreq      = 0x14
-	SizeofIPv6MTUInfo   = 0x20
-	SizeofMsghdr        = 0x30
-	SizeofCmsghdr       = 0xc
-	SizeofICMPv6Filter  = 0x20
+	SizeofSockaddrInet4    = 0x10
+	SizeofSockaddrInet6    = 0x1c
+	SizeofSockaddrAny      = 0x404
+	SizeofSockaddrUnix     = 0x401
+	SizeofSockaddrDatalink = 0x80
+	SizeofLinger           = 0x8
+	SizeofIPMreq           = 0x8
+	SizeofIPv6Mreq         = 0x14
+	SizeofIPv6MTUInfo      = 0x20
+	SizeofMsghdr           = 0x30
+	SizeofCmsghdr          = 0xc
+	SizeofICMPv6Filter     = 0x20
 )
 
 const (