fea: access for ceci.

vendor/golang.org/x/net/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
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
 
 package socket
 

vendor/golang.org/x/net/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
+//go:build aix || darwin || dragonfly || freebsd || netbsd || openbsd
 
 package socket
 

vendor/golang.org/x/net/internal/socket/cmsghdr_linux_32bit.go

@@ -2,8 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build arm mips mipsle 386
-// +build linux
+//go:build (arm || mips || mipsle || 386 || ppc) && linux
 
 package socket
 

vendor/golang.org/x/net/internal/socket/cmsghdr_linux_64bit.go

@@ -2,8 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build arm64 amd64 ppc64 ppc64le mips64 mips64le s390x
-// +build linux
+//go:build (arm64 || amd64 || loong64 || ppc64 || ppc64le || mips64 || mips64le || riscv64 || s390x) && linux
 
 package socket
 

vendor/golang.org/x/net/internal/socket/cmsghdr_solaris_64bit.go

@@ -2,8 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build amd64
-// +build solaris
+//go:build amd64 && solaris
 
 package socket
 

vendor/golang.org/x/net/internal/socket/cmsghdr_stub.go

@@ -2,13 +2,23 @@
 // 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
+//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !zos
 
 package socket
 
-type cmsghdr struct{}
+func controlHeaderLen() int {
+	return 0
+}
 
-const sizeofCmsghdr = 0
+func controlMessageLen(dataLen int) int {
+	return 0
+}
+
+func controlMessageSpace(dataLen int) int {
+	return 0
+}
+
+type cmsghdr struct{}
 
 func (h *cmsghdr) len() int { return 0 }
 func (h *cmsghdr) lvl() int { return 0 }

vendor/golang.org/x/net/internal/socket/cmsghdr_unix.go

@@ -0,0 +1,21 @@
+// Copyright 2020 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.
+
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
+
+package socket
+
+import "golang.org/x/sys/unix"
+
+func controlHeaderLen() int {
+	return unix.CmsgLen(0)
+}
+
+func controlMessageLen(dataLen int) int {
+	return unix.CmsgLen(dataLen)
+}
+
+func controlMessageSpace(dataLen int) int {
+	return unix.CmsgSpace(dataLen)
+}

vendor/golang.org/x/net/internal/socket/cmsghdr_zos_s390x.go

@@ -0,0 +1,11 @@
+// Copyright 2020 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.
+
+package socket
+
+func (h *cmsghdr) set(l, lvl, typ int) {
+	h.Len = int32(l)
+	h.Level = int32(lvl)
+	h.Type = int32(typ)
+}

vendor/golang.org/x/net/internal/socket/complete_dontwait.go

@@ -0,0 +1,25 @@
+// Copyright 2021 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.
+
+//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
+
+package socket
+
+import (
+	"syscall"
+)
+
+// ioComplete checks the flags and result of a syscall, to be used as return
+// value in a syscall.RawConn.Read or Write callback.
+func ioComplete(flags int, operr error) bool {
+	if flags&syscall.MSG_DONTWAIT != 0 {
+		// Caller explicitly said don't wait, so always return immediately.
+		return true
+	}
+	if operr == syscall.EAGAIN || operr == syscall.EWOULDBLOCK {
+		// No data available, block for I/O and try again.
+		return false
+	}
+	return true
+}

vendor/golang.org/x/net/internal/socket/complete_nodontwait.go

@@ -0,0 +1,21 @@
+// Copyright 2021 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.
+
+//go:build aix || windows || zos
+
+package socket
+
+import (
+	"syscall"
+)
+
+// ioComplete checks the flags and result of a syscall, to be used as return
+// value in a syscall.RawConn.Read or Write callback.
+func ioComplete(flags int, operr error) bool {
+	if operr == syscall.EAGAIN || operr == syscall.EWOULDBLOCK {
+		// No data available, block for I/O and try again.
+		return false
+	}
+	return true
+}

vendor/golang.org/x/net/internal/socket/empty.s

@@ -2,6 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build darwin,go1.12
+//go:build darwin && go1.12
 
 // This exists solely so we can linkname in symbols from syscall.

vendor/golang.org/x/net/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
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
 
 package socket
 

vendor/golang.org/x/net/internal/socket/iovec_32bit.go

@@ -2,8 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build arm mips mipsle 386
-// +build darwin dragonfly freebsd linux netbsd openbsd
+//go:build (arm || mips || mipsle || 386 || ppc) && (darwin || dragonfly || freebsd || linux || netbsd || openbsd)
 
 package socket
 

vendor/golang.org/x/net/internal/socket/iovec_64bit.go

@@ -2,8 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build arm64 amd64 ppc64 ppc64le mips64 mips64le s390x
-// +build darwin dragonfly freebsd linux netbsd openbsd
+//go:build (arm64 || amd64 || loong64 || ppc64 || ppc64le || mips64 || mips64le || riscv64 || s390x) && (aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || zos)
 
 package socket
 

vendor/golang.org/x/net/internal/socket/iovec_solaris_64bit.go

@@ -2,8 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build amd64
-// +build solaris
+//go:build amd64 && solaris
 
 package socket
 

vendor/golang.org/x/net/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
+//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !zos
 
 package socket
 

vendor/golang.org/x/net/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
+//go:build !aix && !linux && !netbsd
 
 package socket
 

vendor/golang.org/x/net/internal/socket/mmsghdr_unix.go

@@ -2,29 +2,19 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build linux netbsd
+//go:build aix || linux || netbsd
 
 package socket
 
-import "net"
+import (
+	"net"
+	"os"
+	"sync"
+	"syscall"
+)
 
 type mmsghdrs []mmsghdr
 
-func (hs mmsghdrs) pack(ms []Message, parseFn func([]byte, string) (net.Addr, error), marshalFn func(net.Addr) []byte) error {
-	for i := range hs {
-		vs := make([]iovec, len(ms[i].Buffers))
-		var sa []byte
-		if parseFn != nil {
-			sa = make([]byte, sizeofSockaddrInet6)
-		}
-		if marshalFn != nil {
-			sa = marshalFn(ms[i].Addr)
-		}
-		hs[i].Hdr.pack(vs, ms[i].Buffers, ms[i].OOB, sa)
-	}
-	return nil
-}
-
 func (hs mmsghdrs) unpack(ms []Message, parseFn func([]byte, string) (net.Addr, error), hint string) error {
 	for i := range hs {
 		ms[i].N = int(hs[i].Len)
@@ -40,3 +30,166 @@ func (hs mmsghdrs) unpack(ms []Message, parseFn func([]byte, string) (net.Addr,
 	}
 	return nil
 }
+
+// mmsghdrsPacker packs Message-slices into mmsghdrs (re-)using pre-allocated buffers.
+type mmsghdrsPacker struct {
+	// hs are the pre-allocated mmsghdrs.
+	hs mmsghdrs
+	// sockaddrs is the pre-allocated buffer for the Hdr.Name buffers.
+	// We use one large buffer for all messages and slice it up.
+	sockaddrs []byte
+	// vs are the pre-allocated iovecs.
+	// We allocate one large buffer for all messages and slice it up. This allows to reuse the buffer
+	// if the number of buffers per message is distributed differently between calls.
+	vs []iovec
+}
+
+func (p *mmsghdrsPacker) prepare(ms []Message) {
+	n := len(ms)
+	if n <= cap(p.hs) {
+		p.hs = p.hs[:n]
+	} else {
+		p.hs = make(mmsghdrs, n)
+	}
+	if n*sizeofSockaddrInet6 <= cap(p.sockaddrs) {
+		p.sockaddrs = p.sockaddrs[:n*sizeofSockaddrInet6]
+	} else {
+		p.sockaddrs = make([]byte, n*sizeofSockaddrInet6)
+	}
+
+	nb := 0
+	for _, m := range ms {
+		nb += len(m.Buffers)
+	}
+	if nb <= cap(p.vs) {
+		p.vs = p.vs[:nb]
+	} else {
+		p.vs = make([]iovec, nb)
+	}
+}
+
+func (p *mmsghdrsPacker) pack(ms []Message, parseFn func([]byte, string) (net.Addr, error), marshalFn func(net.Addr, []byte) int) mmsghdrs {
+	p.prepare(ms)
+	hs := p.hs
+	vsRest := p.vs
+	saRest := p.sockaddrs
+	for i := range hs {
+		nvs := len(ms[i].Buffers)
+		vs := vsRest[:nvs]
+		vsRest = vsRest[nvs:]
+
+		var sa []byte
+		if parseFn != nil {
+			sa = saRest[:sizeofSockaddrInet6]
+			saRest = saRest[sizeofSockaddrInet6:]
+		} else if marshalFn != nil {
+			n := marshalFn(ms[i].Addr, saRest)
+			if n > 0 {
+				sa = saRest[:n]
+				saRest = saRest[n:]
+			}
+		}
+		hs[i].Hdr.pack(vs, ms[i].Buffers, ms[i].OOB, sa)
+	}
+	return hs
+}
+
+// syscaller is a helper to invoke recvmmsg and sendmmsg via the RawConn.Read/Write interface.
+// It is reusable, to amortize the overhead of allocating a closure for the function passed to
+// RawConn.Read/Write.
+type syscaller struct {
+	n     int
+	operr error
+	hs    mmsghdrs
+	flags int
+
+	boundRecvmmsgF func(uintptr) bool
+	boundSendmmsgF func(uintptr) bool
+}
+
+func (r *syscaller) init() {
+	r.boundRecvmmsgF = r.recvmmsgF
+	r.boundSendmmsgF = r.sendmmsgF
+}
+
+func (r *syscaller) recvmmsg(c syscall.RawConn, hs mmsghdrs, flags int) (int, error) {
+	r.n = 0
+	r.operr = nil
+	r.hs = hs
+	r.flags = flags
+	if err := c.Read(r.boundRecvmmsgF); err != nil {
+		return r.n, err
+	}
+	if r.operr != nil {
+		return r.n, os.NewSyscallError("recvmmsg", r.operr)
+	}
+	return r.n, nil
+}
+
+func (r *syscaller) recvmmsgF(s uintptr) bool {
+	r.n, r.operr = recvmmsg(s, r.hs, r.flags)
+	return ioComplete(r.flags, r.operr)
+}
+
+func (r *syscaller) sendmmsg(c syscall.RawConn, hs mmsghdrs, flags int) (int, error) {
+	r.n = 0
+	r.operr = nil
+	r.hs = hs
+	r.flags = flags
+	if err := c.Write(r.boundSendmmsgF); err != nil {
+		return r.n, err
+	}
+	if r.operr != nil {
+		return r.n, os.NewSyscallError("sendmmsg", r.operr)
+	}
+	return r.n, nil
+}
+
+func (r *syscaller) sendmmsgF(s uintptr) bool {
+	r.n, r.operr = sendmmsg(s, r.hs, r.flags)
+	return ioComplete(r.flags, r.operr)
+}
+
+// mmsgTmps holds reusable temporary helpers for recvmmsg and sendmmsg.
+type mmsgTmps struct {
+	packer    mmsghdrsPacker
+	syscaller syscaller
+}
+
+var defaultMmsgTmpsPool = mmsgTmpsPool{
+	p: sync.Pool{
+		New: func() interface{} {
+			tmps := new(mmsgTmps)
+			tmps.syscaller.init()
+			return tmps
+		},
+	},
+}
+
+type mmsgTmpsPool struct {
+	p sync.Pool
+}
+
+func (p *mmsgTmpsPool) Get() *mmsgTmps {
+	m := p.p.Get().(*mmsgTmps)
+	// Clear fields up to the len (not the cap) of the slice,
+	// assuming that the previous caller only used that many elements.
+	for i := range m.packer.sockaddrs {
+		m.packer.sockaddrs[i] = 0
+	}
+	m.packer.sockaddrs = m.packer.sockaddrs[:0]
+	for i := range m.packer.vs {
+		m.packer.vs[i] = iovec{}
+	}
+	m.packer.vs = m.packer.vs[:0]
+	for i := range m.packer.hs {
+		m.packer.hs[i].Len = 0
+		m.packer.hs[i].Hdr = msghdr{}
+	}
+	m.packer.hs = m.packer.hs[:0]
+	return m
+}
+
+func (p *mmsgTmpsPool) Put(tmps *mmsgTmps) {
+	p.p.Put(tmps)
+}

vendor/golang.org/x/net/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
+//go:build aix || darwin || dragonfly || freebsd || netbsd || openbsd
 
 package socket
 

vendor/golang.org/x/net/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
+//go:build aix || darwin || dragonfly || freebsd || netbsd
 
 package socket
 

vendor/golang.org/x/net/internal/socket/msghdr_linux_32bit.go

@@ -2,8 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build arm mips mipsle 386
-// +build linux
+//go:build (arm || mips || mipsle || 386 || ppc) && linux
 
 package socket
 

vendor/golang.org/x/net/internal/socket/msghdr_linux_64bit.go

@@ -2,8 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build arm64 amd64 ppc64 ppc64le mips64 mips64le s390x
-// +build linux
+//go:build (arm64 || amd64 || loong64 || ppc64 || ppc64le || mips64 || mips64le || riscv64 || s390x) && linux
 
 package socket
 

vendor/golang.org/x/net/internal/socket/msghdr_solaris_64bit.go

@@ -2,8 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build amd64
-// +build solaris
+//go:build amd64 && solaris
 
 package socket
 

vendor/golang.org/x/net/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
+//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !zos
 
 package socket
 

vendor/golang.org/x/net/internal/socket/msghdr_zos_s390x.go

@@ -0,0 +1,35 @@
+// Copyright 2020 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.
+
+//go:build s390x && zos
+
+package socket
+
+import "unsafe"
+
+func (h *msghdr) pack(vs []iovec, bs [][]byte, oob []byte, sa []byte) {
+	for i := range vs {
+		vs[i].set(bs[i])
+	}
+	if len(vs) > 0 {
+		h.Iov = &vs[0]
+		h.Iovlen = int32(len(vs))
+	}
+	if len(oob) > 0 {
+		h.Control = (*byte)(unsafe.Pointer(&oob[0]))
+		h.Controllen = uint32(len(oob))
+	}
+	if sa != nil {
+		h.Name = (*byte)(unsafe.Pointer(&sa[0]))
+		h.Namelen = uint32(len(sa))
+	}
+}
+
+func (h *msghdr) controllen() int {
+	return int(h.Controllen)
+}
+
+func (h *msghdr) flags() int {
+	return int(h.Flags)
+}

vendor/golang.org/x/net/internal/socket/norace.go

@@ -0,0 +1,12 @@
+// 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.
+
+//go:build !race
+
+package socket
+
+func (m *Message) raceRead() {
+}
+func (m *Message) raceWrite() {
+}

vendor/golang.org/x/net/internal/socket/race.go

@@ -0,0 +1,37 @@
+// 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.
+
+//go:build race
+
+package socket
+
+import (
+	"runtime"
+	"unsafe"
+)
+
+// This package reads and writes the Message buffers using a
+// direct system call, which the race detector can't see.
+// These functions tell the race detector what is going on during the syscall.
+
+func (m *Message) raceRead() {
+	for _, b := range m.Buffers {
+		if len(b) > 0 {
+			runtime.RaceReadRange(unsafe.Pointer(&b[0]), len(b))
+		}
+	}
+	if b := m.OOB; len(b) > 0 {
+		runtime.RaceReadRange(unsafe.Pointer(&b[0]), len(b))
+	}
+}
+func (m *Message) raceWrite() {
+	for _, b := range m.Buffers {
+		if len(b) > 0 {
+			runtime.RaceWriteRange(unsafe.Pointer(&b[0]), len(b))
+		}
+	}
+	if b := m.OOB; len(b) > 0 {
+		runtime.RaceWriteRange(unsafe.Pointer(&b[0]), len(b))
+	}
+}

vendor/golang.org/x/net/internal/socket/rawconn.go

@@ -2,8 +2,6 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build go1.9
-
 package socket
 
 import (
@@ -19,18 +17,45 @@ type Conn struct {
 	c       syscall.RawConn
 }
 
+// tcpConn is an interface implemented by net.TCPConn.
+// It can be used for interface assertions to check if a net.Conn is a TCP connection.
+type tcpConn interface {
+	SyscallConn() (syscall.RawConn, error)
+	SetLinger(int) error
+}
+
+var _ tcpConn = (*net.TCPConn)(nil)
+
+// udpConn is an interface implemented by net.UDPConn.
+// It can be used for interface assertions to check if a net.Conn is a UDP connection.
+type udpConn interface {
+	SyscallConn() (syscall.RawConn, error)
+	ReadMsgUDP(b, oob []byte) (n, oobn, flags int, addr *net.UDPAddr, err error)
+}
+
+var _ udpConn = (*net.UDPConn)(nil)
+
+// ipConn is an interface implemented by net.IPConn.
+// It can be used for interface assertions to check if a net.Conn is an IP connection.
+type ipConn interface {
+	SyscallConn() (syscall.RawConn, error)
+	ReadMsgIP(b, oob []byte) (n, oobn, flags int, addr *net.IPAddr, err error)
+}
+
+var _ ipConn = (*net.IPConn)(nil)
+
 // NewConn returns a new raw connection.
 func NewConn(c net.Conn) (*Conn, error) {
 	var err error
 	var cc Conn
 	switch c := c.(type) {
-	case *net.TCPConn:
+	case tcpConn:
 		cc.network = "tcp"
 		cc.c, err = c.SyscallConn()
-	case *net.UDPConn:
+	case udpConn:
 		cc.network = "udp"
 		cc.c, err = c.SyscallConn()
-	case *net.IPConn:
+	case ipConn:
 		cc.network = "ip"
 		cc.c, err = c.SyscallConn()
 	default:

vendor/golang.org/x/net/internal/socket/rawconn_mmsg.go

@@ -2,41 +2,29 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build go1.9
-// +build linux
+//go:build linux
 
 package socket
 
 import (
 	"net"
-	"os"
-	"syscall"
 )
 
 func (c *Conn) recvMsgs(ms []Message, flags int) (int, error) {
-	hs := make(mmsghdrs, len(ms))
+	for i := range ms {
+		ms[i].raceWrite()
+	}
+	tmps := defaultMmsgTmpsPool.Get()
+	defer defaultMmsgTmpsPool.Put(tmps)
 	var parseFn func([]byte, string) (net.Addr, error)
 	if c.network != "tcp" {
 		parseFn = parseInetAddr
 	}
-	if err := hs.pack(ms, parseFn, nil); err != nil {
-		return 0, err
-	}
-	var operr error
-	var n int
-	fn := func(s uintptr) bool {
-		n, operr = recvmmsg(s, hs, flags)
-		if operr == syscall.EAGAIN {
-			return false
-		}
-		return true
-	}
-	if err := c.c.Read(fn); err != nil {
+	hs := tmps.packer.pack(ms, parseFn, nil)
+	n, err := tmps.syscaller.recvmmsg(c.c, hs, flags)
+	if err != nil {
 		return n, err
 	}
-	if operr != nil {
-		return n, os.NewSyscallError("recvmmsg", operr)
-	}
 	if err := hs[:n].unpack(ms[:n], parseFn, c.network); err != nil {
 		return n, err
 	}
@@ -44,29 +32,20 @@ func (c *Conn) recvMsgs(ms []Message, flags int) (int, error) {
 }
 
 func (c *Conn) sendMsgs(ms []Message, flags int) (int, error) {
-	hs := make(mmsghdrs, len(ms))
-	var marshalFn func(net.Addr) []byte
+	for i := range ms {
+		ms[i].raceRead()
+	}
+	tmps := defaultMmsgTmpsPool.Get()
+	defer defaultMmsgTmpsPool.Put(tmps)
+	var marshalFn func(net.Addr, []byte) int
 	if c.network != "tcp" {
 		marshalFn = marshalInetAddr
 	}
-	if err := hs.pack(ms, nil, marshalFn); err != nil {
-		return 0, err
-	}
-	var operr error
-	var n int
-	fn := func(s uintptr) bool {
-		n, operr = sendmmsg(s, hs, flags)
-		if operr == syscall.EAGAIN {
-			return false
-		}
-		return true
-	}
-	if err := c.c.Write(fn); err != nil {
+	hs := tmps.packer.pack(ms, nil, marshalFn)
+	n, err := tmps.syscaller.sendmmsg(c.c, hs, flags)
+	if err != nil {
 		return n, err
 	}
-	if operr != nil {
-		return n, os.NewSyscallError("sendmmsg", operr)
-	}
 	if err := hs[:n].unpack(ms[:n], nil, ""); err != nil {
 		return n, err
 	}

vendor/golang.org/x/net/internal/socket/rawconn_msg.go

@@ -2,32 +2,27 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build go1.9
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris windows
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || windows || zos
 
 package socket
 
 import (
+	"net"
 	"os"
-	"syscall"
 )
 
 func (c *Conn) recvMsg(m *Message, flags int) error {
-	var h msghdr
-	vs := make([]iovec, len(m.Buffers))
-	var sa []byte
-	if c.network != "tcp" {
-		sa = make([]byte, sizeofSockaddrInet6)
-	}
-	h.pack(vs, m.Buffers, m.OOB, sa)
-	var operr error
-	var n int
+	m.raceWrite()
+	var (
+		operr     error
+		n         int
+		oobn      int
+		recvflags int
+		from      net.Addr
+	)
 	fn := func(s uintptr) bool {
-		n, operr = recvmsg(s, &h, flags)
-		if operr == syscall.EAGAIN {
-			return false
-		}
-		return true
+		n, oobn, recvflags, from, operr = recvmsg(s, m.Buffers, m.OOB, flags, c.network)
+		return ioComplete(flags, operr)
 	}
 	if err := c.c.Read(fn); err != nil {
 		return err
@@ -35,35 +30,22 @@ func (c *Conn) recvMsg(m *Message, flags int) error {
 	if operr != nil {
 		return os.NewSyscallError("recvmsg", operr)
 	}
-	if c.network != "tcp" {
-		var err error
-		m.Addr, err = parseInetAddr(sa[:], c.network)
-		if err != nil {
-			return err
-		}
-	}
+	m.Addr = from
 	m.N = n
-	m.NN = h.controllen()
-	m.Flags = h.flags()
+	m.NN = oobn
+	m.Flags = recvflags
 	return nil
 }
 
 func (c *Conn) sendMsg(m *Message, flags int) error {
-	var h msghdr
-	vs := make([]iovec, len(m.Buffers))
-	var sa []byte
-	if m.Addr != nil {
-		sa = marshalInetAddr(m.Addr)
-	}
-	h.pack(vs, m.Buffers, m.OOB, sa)
-	var operr error
-	var n int
+	m.raceRead()
+	var (
+		operr error
+		n     int
+	)
 	fn := func(s uintptr) bool {
-		n, operr = sendmsg(s, &h, flags)
-		if operr == syscall.EAGAIN {
-			return false
-		}
-		return true
+		n, operr = sendmsg(s, m.Buffers, m.OOB, m.Addr, flags)
+		return ioComplete(flags, operr)
 	}
 	if err := c.c.Write(fn); err != nil {
 		return err

vendor/golang.org/x/net/internal/socket/rawconn_nommsg.go

@@ -2,17 +2,14 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build go1.9
-// +build !linux
+//go:build !linux
 
 package socket
 
-import "errors"
-
 func (c *Conn) recvMsgs(ms []Message, flags int) (int, error) {
-	return 0, errors.New("not implemented")
+	return 0, errNotImplemented
 }
 
 func (c *Conn) sendMsgs(ms []Message, flags int) (int, error) {
-	return 0, errors.New("not implemented")
+	return 0, errNotImplemented
 }

vendor/golang.org/x/net/internal/socket/rawconn_nomsg.go

@@ -2,17 +2,14 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build go1.9
-// +build !darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows
+//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows && !zos
 
 package socket
 
-import "errors"
-
 func (c *Conn) recvMsg(m *Message, flags int) error {
-	return errors.New("not implemented")
+	return errNotImplemented
 }
 
 func (c *Conn) sendMsg(m *Message, flags int) error {
-	return errors.New("not implemented")
+	return errNotImplemented
 }

vendor/golang.org/x/net/internal/socket/rawconn_stub.go

@@ -1,25 +0,0 @@
-// Copyright 2017 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 !go1.9
-
-package socket
-
-import "errors"
-
-func (c *Conn) recvMsg(m *Message, flags int) error {
-	return errors.New("not implemented")
-}
-
-func (c *Conn) sendMsg(m *Message, flags int) error {
-	return errors.New("not implemented")
-}
-
-func (c *Conn) recvMsgs(ms []Message, flags int) (int, error) {
-	return 0, errors.New("not implemented")
-}
-
-func (c *Conn) sendMsgs(ms []Message, flags int) (int, error) {
-	return 0, errors.New("not implemented")
-}

vendor/golang.org/x/net/internal/socket/reflect.go

@@ -1,62 +0,0 @@
-// Copyright 2017 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 !go1.9
-
-package socket
-
-import (
-	"errors"
-	"net"
-	"os"
-	"reflect"
-	"runtime"
-)
-
-// A Conn represents a raw connection.
-type Conn struct {
-	c net.Conn
-}
-
-// NewConn returns a new raw connection.
-func NewConn(c net.Conn) (*Conn, error) {
-	return &Conn{c: c}, nil
-}
-
-func (o *Option) get(c *Conn, b []byte) (int, error) {
-	s, err := socketOf(c.c)
-	if err != nil {
-		return 0, err
-	}
-	n, err := getsockopt(s, o.Level, o.Name, b)
-	return n, os.NewSyscallError("getsockopt", err)
-}
-
-func (o *Option) set(c *Conn, b []byte) error {
-	s, err := socketOf(c.c)
-	if err != nil {
-		return err
-	}
-	return os.NewSyscallError("setsockopt", setsockopt(s, o.Level, o.Name, b))
-}
-
-func socketOf(c net.Conn) (uintptr, error) {
-	switch c.(type) {
-	case *net.TCPConn, *net.UDPConn, *net.IPConn:
-		v := reflect.ValueOf(c)
-		switch e := v.Elem(); e.Kind() {
-		case reflect.Struct:
-			fd := e.FieldByName("conn").FieldByName("fd")
-			switch e := fd.Elem(); e.Kind() {
-			case reflect.Struct:
-				sysfd := e.FieldByName("sysfd")
-				if runtime.GOOS == "windows" {
-					return uintptr(sysfd.Uint()), nil
-				}
-				return uintptr(sysfd.Int()), nil
-			}
-		}
-	}
-	return 0, errors.New("invalid type")
-}

vendor/golang.org/x/net/internal/socket/socket.go

@@ -9,9 +9,12 @@ package socket // import "golang.org/x/net/internal/socket"
 import (
 	"errors"
 	"net"
+	"runtime"
 	"unsafe"
 )
 
+var errNotImplemented = errors.New("not implemented on " + runtime.GOOS + "/" + runtime.GOARCH)
+
 // An Option represents a sticky socket option.
 type Option struct {
 	Level int // level
@@ -87,17 +90,9 @@ func (o *Option) SetInt(c *Conn, v int) error {
 	return o.set(c, b)
 }
 
-func controlHeaderLen() int {
-	return roundup(sizeofCmsghdr)
-}
-
-func controlMessageLen(dataLen int) int {
-	return roundup(sizeofCmsghdr) + dataLen
-}
-
 // ControlMessageSpace returns the whole length of control message.
 func ControlMessageSpace(dataLen int) int {
-	return roundup(sizeofCmsghdr) + roundup(dataLen)
+	return controlMessageSpace(dataLen)
 }
 
 // A ControlMessage represents the head message in a stream of control

vendor/golang.org/x/net/internal/socket/sys.go

@@ -9,13 +9,8 @@ import (
 	"unsafe"
 )
 
-var (
-	// NativeEndian is the machine native endian implementation of
-	// ByteOrder.
-	NativeEndian binary.ByteOrder
-
-	kernelAlign int
-)
+// NativeEndian is the machine native endian implementation of ByteOrder.
+var NativeEndian binary.ByteOrder
 
 func init() {
 	i := uint32(1)
@@ -25,9 +20,4 @@ func init() {
 	} else {
 		NativeEndian = binary.BigEndian
 	}
-	kernelAlign = probeProtocolStack()
-}
-
-func roundup(l int) int {
-	return (l + kernelAlign - 1) & ^(kernelAlign - 1)
 }

vendor/golang.org/x/net/internal/socket/sys_bsd.go

@@ -2,16 +2,14 @@
 // 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
+//go:build aix || darwin || dragonfly || freebsd || openbsd || solaris
 
 package socket
 
-import "errors"
-
 func recvmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) {
-	return 0, errors.New("not implemented")
+	return 0, errNotImplemented
 }
 
 func sendmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) {
-	return 0, errors.New("not implemented")
+	return 0, errNotImplemented
 }

vendor/golang.org/x/net/internal/socket/sys_bsdvar.go

@@ -1,20 +0,0 @@
-// Copyright 2017 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 freebsd netbsd openbsd
-
-package socket
-
-import (
-	"runtime"
-	"unsafe"
-)
-
-func probeProtocolStack() int {
-	if runtime.GOOS == "openbsd" && runtime.GOARCH == "arm" {
-		return 8
-	}
-	var p uintptr
-	return int(unsafe.Sizeof(p))
-}

vendor/golang.org/x/net/internal/socket/sys_const_unix.go

@@ -0,0 +1,20 @@
+// 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.
+
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
+
+package socket
+
+import "golang.org/x/sys/unix"
+
+const (
+	sysAF_UNSPEC = unix.AF_UNSPEC
+	sysAF_INET   = unix.AF_INET
+	sysAF_INET6  = unix.AF_INET6
+
+	sysSOCK_RAW = unix.SOCK_RAW
+
+	sizeofSockaddrInet4 = unix.SizeofSockaddrInet4
+	sizeofSockaddrInet6 = unix.SizeofSockaddrInet6
+)

vendor/golang.org/x/net/internal/socket/sys_darwin.go

@@ -1,7 +0,0 @@
-// Copyright 2017 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.
-
-package socket
-
-func probeProtocolStack() int { return 4 }

vendor/golang.org/x/net/internal/socket/sys_go1_11_darwin.go

@@ -1,33 +0,0 @@
-// Copyright 2018 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 !go1.12
-
-package socket
-
-import (
-	"syscall"
-	"unsafe"
-)
-
-func getsockopt(s uintptr, level, name int, b []byte) (int, error) {
-	l := uint32(len(b))
-	_, _, errno := syscall.Syscall6(syscall.SYS_GETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(unsafe.Pointer(&l)), 0)
-	return int(l), errnoErr(errno)
-}
-
-func setsockopt(s uintptr, level, name int, b []byte) error {
-	_, _, errno := syscall.Syscall6(syscall.SYS_SETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(len(b)), 0)
-	return errnoErr(errno)
-}
-
-func recvmsg(s uintptr, h *msghdr, flags int) (int, error) {
-	n, _, errno := syscall.Syscall(syscall.SYS_RECVMSG, s, uintptr(unsafe.Pointer(h)), uintptr(flags))
-	return int(n), errnoErr(errno)
-}
-
-func sendmsg(s uintptr, h *msghdr, flags int) (int, error) {
-	n, _, errno := syscall.Syscall(syscall.SYS_SENDMSG, s, uintptr(unsafe.Pointer(h)), uintptr(flags))
-	return int(n), errnoErr(errno)
-}

vendor/golang.org/x/net/internal/socket/sys_go1_12_darwin.go

@@ -1,42 +0,0 @@
-// Copyright 2018 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 go1.12
-
-package socket
-
-import (
-	"syscall"
-	"unsafe"
-)
-
-//go:linkname syscall_getsockopt syscall.getsockopt
-func syscall_getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *uint32) error
-
-func getsockopt(s uintptr, level, name int, b []byte) (int, error) {
-	l := uint32(len(b))
-	err := syscall_getsockopt(int(s), level, name, unsafe.Pointer(&b[0]), &l)
-	return int(l), err
-}
-
-//go:linkname syscall_setsockopt syscall.setsockopt
-func syscall_setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) error
-
-func setsockopt(s uintptr, level, name int, b []byte) error {
-	return syscall_setsockopt(int(s), level, name, unsafe.Pointer(&b[0]), uintptr(len(b)))
-}
-
-//go:linkname syscall_recvmsg syscall.recvmsg
-func syscall_recvmsg(s int, msg *syscall.Msghdr, flags int) (n int, err error)
-
-func recvmsg(s uintptr, h *msghdr, flags int) (int, error) {
-	return syscall_recvmsg(int(s), (*syscall.Msghdr)(unsafe.Pointer(h)), flags)
-}
-
-//go:linkname syscall_sendmsg syscall.sendmsg
-func syscall_sendmsg(s int, msg *syscall.Msghdr, flags int) (n int, err error)
-
-func sendmsg(s uintptr, h *msghdr, flags int) (int, error) {
-	return syscall_sendmsg(int(s), (*syscall.Msghdr)(unsafe.Pointer(h)), flags)
-}

vendor/golang.org/x/net/internal/socket/sys_linux.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,!s390x,!386
+//go:build linux && !s390x && !386
 
 package socket
 
@@ -11,11 +11,6 @@ import (
 	"unsafe"
 )
 
-func probeProtocolStack() int {
-	var p uintptr
-	return int(unsafe.Sizeof(p))
-}
-
 func recvmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) {
 	n, _, errno := syscall.Syscall6(sysRECVMMSG, s, uintptr(unsafe.Pointer(&hs[0])), uintptr(len(hs)), uintptr(flags), 0, 0)
 	return int(n), errnoErr(errno)

vendor/golang.org/x/net/internal/socket/sys_linux_386.go

@@ -9,41 +9,14 @@ import (
 	"unsafe"
 )
 
-func probeProtocolStack() int { return 4 }
-
 const (
-	sysSETSOCKOPT = 0xe
-	sysGETSOCKOPT = 0xf
-	sysSENDMSG    = 0x10
-	sysRECVMSG    = 0x11
-	sysRECVMMSG   = 0x13
-	sysSENDMMSG   = 0x14
+	sysRECVMMSG = 0x13
+	sysSENDMMSG = 0x14
 )
 
 func socketcall(call, a0, a1, a2, a3, a4, a5 uintptr) (uintptr, syscall.Errno)
 func rawsocketcall(call, a0, a1, a2, a3, a4, a5 uintptr) (uintptr, syscall.Errno)
 
-func getsockopt(s uintptr, level, name int, b []byte) (int, error) {
-	l := uint32(len(b))
-	_, errno := socketcall(sysGETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(unsafe.Pointer(&l)), 0)
-	return int(l), errnoErr(errno)
-}
-
-func setsockopt(s uintptr, level, name int, b []byte) error {
-	_, errno := socketcall(sysSETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(len(b)), 0)
-	return errnoErr(errno)
-}
-
-func recvmsg(s uintptr, h *msghdr, flags int) (int, error) {
-	n, errno := socketcall(sysRECVMSG, s, uintptr(unsafe.Pointer(h)), uintptr(flags), 0, 0, 0)
-	return int(n), errnoErr(errno)
-}
-
-func sendmsg(s uintptr, h *msghdr, flags int) (int, error) {
-	n, errno := socketcall(sysSENDMSG, s, uintptr(unsafe.Pointer(h)), uintptr(flags), 0, 0, 0)
-	return int(n), errnoErr(errno)
-}
-
 func recvmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) {
 	n, errno := socketcall(sysRECVMMSG, s, uintptr(unsafe.Pointer(&hs[0])), uintptr(len(hs)), uintptr(flags), 0, 0)
 	return int(n), errnoErr(errno)

vendor/golang.org/x/net/internal/socket/sys_linux_loong64.go

@@ -0,0 +1,12 @@
+// Copyright 2021 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.
+
+//go:build loong64
+
+package socket
+
+const (
+	sysRECVMMSG = 0xf3
+	sysSENDMMSG = 0x10d
+)

vendor/golang.org/x/net/internal/socket/sys_linux_ppc.go

@@ -1,7 +1,10 @@
-// Copyright 2017 The Go Authors. All rights reserved.
+// Copyright 2021 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.
 
 package socket
 
-func probeProtocolStack() int { return 4 }
+const (
+	sysRECVMMSG = 0x157
+	sysSENDMMSG = 0x15d
+)

vendor/golang.org/x/net/internal/socket/sys_linux_riscv64.go

@@ -0,0 +1,12 @@
+// 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.
+
+//go:build riscv64
+
+package socket
+
+const (
+	sysRECVMMSG = 0xf3
+	sysSENDMMSG = 0x10d
+)

vendor/golang.org/x/net/internal/socket/sys_linux_s390x.go

@@ -9,41 +9,14 @@ import (
 	"unsafe"
 )
 
-func probeProtocolStack() int { return 8 }
-
 const (
-	sysSETSOCKOPT = 0xe
-	sysGETSOCKOPT = 0xf
-	sysSENDMSG    = 0x10
-	sysRECVMSG    = 0x11
-	sysRECVMMSG   = 0x13
-	sysSENDMMSG   = 0x14
+	sysRECVMMSG = 0x13
+	sysSENDMMSG = 0x14
 )
 
 func socketcall(call, a0, a1, a2, a3, a4, a5 uintptr) (uintptr, syscall.Errno)
 func rawsocketcall(call, a0, a1, a2, a3, a4, a5 uintptr) (uintptr, syscall.Errno)
 
-func getsockopt(s uintptr, level, name int, b []byte) (int, error) {
-	l := uint32(len(b))
-	_, errno := socketcall(sysGETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(unsafe.Pointer(&l)), 0)
-	return int(l), errnoErr(errno)
-}
-
-func setsockopt(s uintptr, level, name int, b []byte) error {
-	_, errno := socketcall(sysSETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(len(b)), 0)
-	return errnoErr(errno)
-}
-
-func recvmsg(s uintptr, h *msghdr, flags int) (int, error) {
-	n, errno := socketcall(sysRECVMSG, s, uintptr(unsafe.Pointer(h)), uintptr(flags), 0, 0, 0)
-	return int(n), errnoErr(errno)
-}
-
-func sendmsg(s uintptr, h *msghdr, flags int) (int, error) {
-	n, errno := socketcall(sysSENDMSG, s, uintptr(unsafe.Pointer(h)), uintptr(flags), 0, 0, 0)
-	return int(n), errnoErr(errno)
-}
-
 func recvmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) {
 	n, errno := socketcall(sysRECVMMSG, s, uintptr(unsafe.Pointer(&hs[0])), uintptr(len(hs)), uintptr(flags), 0, 0)
 	return int(n), errnoErr(errno)

vendor/golang.org/x/net/internal/socket/sys_posix.go

@@ -2,8 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build go1.9
-// +build darwin dragonfly freebsd linux netbsd openbsd solaris windows
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || windows || zos
 
 package socket
 
@@ -17,37 +16,38 @@ import (
 	"time"
 )
 
-func marshalInetAddr(a net.Addr) []byte {
+// marshalInetAddr writes a in sockaddr format into the buffer b.
+// The buffer must be sufficiently large (sizeofSockaddrInet4/6).
+// Returns the number of bytes written.
+func marshalInetAddr(a net.Addr, b []byte) int {
 	switch a := a.(type) {
 	case *net.TCPAddr:
-		return marshalSockaddr(a.IP, a.Port, a.Zone)
+		return marshalSockaddr(a.IP, a.Port, a.Zone, b)
 	case *net.UDPAddr:
-		return marshalSockaddr(a.IP, a.Port, a.Zone)
+		return marshalSockaddr(a.IP, a.Port, a.Zone, b)
 	case *net.IPAddr:
-		return marshalSockaddr(a.IP, 0, a.Zone)
+		return marshalSockaddr(a.IP, 0, a.Zone, b)
 	default:
-		return nil
+		return 0
 	}
 }
 
-func marshalSockaddr(ip net.IP, port int, zone string) []byte {
+func marshalSockaddr(ip net.IP, port int, zone string, b []byte) int {
 	if ip4 := ip.To4(); ip4 != nil {
-		b := make([]byte, sizeofSockaddrInet)
 		switch runtime.GOOS {
-		case "android", "linux", "solaris", "windows":
+		case "android", "illumos", "linux", "solaris", "windows":
 			NativeEndian.PutUint16(b[:2], uint16(sysAF_INET))
 		default:
-			b[0] = sizeofSockaddrInet
+			b[0] = sizeofSockaddrInet4
 			b[1] = sysAF_INET
 		}
 		binary.BigEndian.PutUint16(b[2:4], uint16(port))
 		copy(b[4:8], ip4)
-		return b
+		return sizeofSockaddrInet4
 	}
 	if ip6 := ip.To16(); ip6 != nil && ip.To4() == nil {
-		b := make([]byte, sizeofSockaddrInet6)
 		switch runtime.GOOS {
-		case "android", "linux", "solaris", "windows":
+		case "android", "illumos", "linux", "solaris", "windows":
 			NativeEndian.PutUint16(b[:2], uint16(sysAF_INET6))
 		default:
 			b[0] = sizeofSockaddrInet6
@@ -58,9 +58,9 @@ func marshalSockaddr(ip net.IP, port int, zone string) []byte {
 		if zone != "" {
 			NativeEndian.PutUint32(b[24:28], uint32(zoneCache.index(zone)))
 		}
-		return b
+		return sizeofSockaddrInet6
 	}
-	return nil
+	return 0
 }
 
 func parseInetAddr(b []byte, network string) (net.Addr, error) {
@@ -69,7 +69,7 @@ func parseInetAddr(b []byte, network string) (net.Addr, error) {
 	}
 	var af int
 	switch runtime.GOOS {
-	case "android", "linux", "solaris", "windows":
+	case "android", "illumos", "linux", "solaris", "windows":
 		af = int(NativeEndian.Uint16(b[:2]))
 	default:
 		af = int(b[1])
@@ -77,7 +77,7 @@ func parseInetAddr(b []byte, network string) (net.Addr, error) {
 	var ip net.IP
 	var zone string
 	if af == sysAF_INET {
-		if len(b) < sizeofSockaddrInet {
+		if len(b) < sizeofSockaddrInet4 {
 			return nil, errors.New("short address")
 		}
 		ip = make(net.IP, net.IPv4len)

vendor/golang.org/x/net/internal/socket/sys_solaris.go

@@ -1,71 +0,0 @@
-// Copyright 2017 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.
-
-package socket
-
-import (
-	"errors"
-	"runtime"
-	"syscall"
-	"unsafe"
-)
-
-func probeProtocolStack() int {
-	switch runtime.GOARCH {
-	case "amd64":
-		return 4
-	default:
-		var p uintptr
-		return int(unsafe.Sizeof(p))
-	}
-}
-
-//go:cgo_import_dynamic libc___xnet_getsockopt __xnet_getsockopt "libsocket.so"
-//go:cgo_import_dynamic libc_setsockopt setsockopt "libsocket.so"
-//go:cgo_import_dynamic libc___xnet_recvmsg __xnet_recvmsg "libsocket.so"
-//go:cgo_import_dynamic libc___xnet_sendmsg __xnet_sendmsg "libsocket.so"
-
-//go:linkname procGetsockopt libc___xnet_getsockopt
-//go:linkname procSetsockopt libc_setsockopt
-//go:linkname procRecvmsg libc___xnet_recvmsg
-//go:linkname procSendmsg libc___xnet_sendmsg
-
-var (
-	procGetsockopt uintptr
-	procSetsockopt uintptr
-	procRecvmsg    uintptr
-	procSendmsg    uintptr
-)
-
-func sysvicall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (uintptr, uintptr, syscall.Errno)
-func rawSysvicall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (uintptr, uintptr, syscall.Errno)
-
-func getsockopt(s uintptr, level, name int, b []byte) (int, error) {
-	l := uint32(len(b))
-	_, _, errno := sysvicall6(uintptr(unsafe.Pointer(&procGetsockopt)), 5, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(unsafe.Pointer(&l)), 0)
-	return int(l), errnoErr(errno)
-}
-
-func setsockopt(s uintptr, level, name int, b []byte) error {
-	_, _, errno := sysvicall6(uintptr(unsafe.Pointer(&procSetsockopt)), 5, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(len(b)), 0)
-	return errnoErr(errno)
-}
-
-func recvmsg(s uintptr, h *msghdr, flags int) (int, error) {
-	n, _, errno := sysvicall6(uintptr(unsafe.Pointer(&procRecvmsg)), 3, s, uintptr(unsafe.Pointer(h)), uintptr(flags), 0, 0, 0)
-	return int(n), errnoErr(errno)
-}
-
-func sendmsg(s uintptr, h *msghdr, flags int) (int, error) {
-	n, _, errno := sysvicall6(uintptr(unsafe.Pointer(&procSendmsg)), 3, s, uintptr(unsafe.Pointer(h)), uintptr(flags), 0, 0, 0)
-	return int(n), errnoErr(errno)
-}
-
-func recvmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) {
-	return 0, errors.New("not implemented")
-}
-
-func sendmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) {
-	return 0, errors.New("not implemented")
-}

vendor/golang.org/x/net/internal/socket/sys_solaris_amd64.s

@@ -1,11 +0,0 @@
-// Copyright 2016 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.
-
-#include "textflag.h"
-
-TEXT	·sysvicall6(SB),NOSPLIT,$0-88
-	JMP	syscall·sysvicall6(SB)
-
-TEXT	·rawSysvicall6(SB),NOSPLIT,$0-88
-	JMP	syscall·rawSysvicall6(SB)

vendor/golang.org/x/net/internal/socket/sys_stub.go

@@ -2,16 +2,11 @@
 // 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
+//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows && !zos
 
 package socket
 
-import (
-	"errors"
-	"net"
-	"runtime"
-	"unsafe"
-)
+import "net"
 
 const (
 	sysAF_UNSPEC = 0x0
@@ -19,46 +14,39 @@ const (
 	sysAF_INET6  = 0xa
 
 	sysSOCK_RAW = 0x3
-)
 
-func probeProtocolStack() int {
-	switch runtime.GOARCH {
-	case "amd64p32", "mips64p32":
-		return 4
-	default:
-		var p uintptr
-		return int(unsafe.Sizeof(p))
-	}
-}
+	sizeofSockaddrInet4 = 0x10
+	sizeofSockaddrInet6 = 0x1c
+)
 
 func marshalInetAddr(ip net.IP, port int, zone string) []byte {
 	return nil
 }
 
 func parseInetAddr(b []byte, network string) (net.Addr, error) {
-	return nil, errors.New("not implemented")
+	return nil, errNotImplemented
 }
 
 func getsockopt(s uintptr, level, name int, b []byte) (int, error) {
-	return 0, errors.New("not implemented")
+	return 0, errNotImplemented
 }
 
 func setsockopt(s uintptr, level, name int, b []byte) error {
-	return errors.New("not implemented")
+	return errNotImplemented
 }
 
-func recvmsg(s uintptr, h *msghdr, flags int) (int, error) {
-	return 0, errors.New("not implemented")
+func recvmsg(s uintptr, buffers [][]byte, oob []byte, flags int, network string) (n, oobn int, recvflags int, from net.Addr, err error) {
+	return 0, 0, 0, nil, errNotImplemented
 }
 
-func sendmsg(s uintptr, h *msghdr, flags int) (int, error) {
-	return 0, errors.New("not implemented")
+func sendmsg(s uintptr, buffers [][]byte, oob []byte, to net.Addr, flags int) (int, error) {
+	return 0, errNotImplemented
 }
 
 func recvmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) {
-	return 0, errors.New("not implemented")
+	return 0, errNotImplemented
 }
 
 func sendmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) {
-	return 0, errors.New("not implemented")
+	return 0, errNotImplemented
 }

vendor/golang.org/x/net/internal/socket/sys_unix.go

@@ -2,32 +2,120 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build dragonfly freebsd linux,!s390x,!386 netbsd openbsd
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
 
 package socket
 
 import (
-	"syscall"
+	"net"
 	"unsafe"
+
+	"golang.org/x/sys/unix"
 )
 
+//go:linkname syscall_getsockopt syscall.getsockopt
+func syscall_getsockopt(s, level, name int, val unsafe.Pointer, vallen *uint32) error
+
+//go:linkname syscall_setsockopt syscall.setsockopt
+func syscall_setsockopt(s, level, name int, val unsafe.Pointer, vallen uintptr) error
+
 func getsockopt(s uintptr, level, name int, b []byte) (int, error) {
 	l := uint32(len(b))
-	_, _, errno := syscall.Syscall6(syscall.SYS_GETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(unsafe.Pointer(&l)), 0)
-	return int(l), errnoErr(errno)
+	err := syscall_getsockopt(int(s), level, name, unsafe.Pointer(&b[0]), &l)
+	return int(l), err
 }
 
 func setsockopt(s uintptr, level, name int, b []byte) error {
-	_, _, errno := syscall.Syscall6(syscall.SYS_SETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(len(b)), 0)
-	return errnoErr(errno)
+	return syscall_setsockopt(int(s), level, name, unsafe.Pointer(&b[0]), uintptr(len(b)))
 }
 
-func recvmsg(s uintptr, h *msghdr, flags int) (int, error) {
-	n, _, errno := syscall.Syscall(syscall.SYS_RECVMSG, s, uintptr(unsafe.Pointer(h)), uintptr(flags))
-	return int(n), errnoErr(errno)
+func recvmsg(s uintptr, buffers [][]byte, oob []byte, flags int, network string) (n, oobn int, recvflags int, from net.Addr, err error) {
+	var unixFrom unix.Sockaddr
+	n, oobn, recvflags, unixFrom, err = unix.RecvmsgBuffers(int(s), buffers, oob, flags)
+	if unixFrom != nil {
+		from = sockaddrToAddr(unixFrom, network)
+	}
+	return
 }
 
-func sendmsg(s uintptr, h *msghdr, flags int) (int, error) {
-	n, _, errno := syscall.Syscall(syscall.SYS_SENDMSG, s, uintptr(unsafe.Pointer(h)), uintptr(flags))
-	return int(n), errnoErr(errno)
+func sendmsg(s uintptr, buffers [][]byte, oob []byte, to net.Addr, flags int) (int, error) {
+	var unixTo unix.Sockaddr
+	if to != nil {
+		unixTo = addrToSockaddr(to)
+	}
+	return unix.SendmsgBuffers(int(s), buffers, oob, unixTo, flags)
+}
+
+// addrToSockaddr converts a net.Addr to a unix.Sockaddr.
+func addrToSockaddr(a net.Addr) unix.Sockaddr {
+	var (
+		ip   net.IP
+		port int
+		zone string
+	)
+	switch a := a.(type) {
+	case *net.TCPAddr:
+		ip = a.IP
+		port = a.Port
+		zone = a.Zone
+	case *net.UDPAddr:
+		ip = a.IP
+		port = a.Port
+		zone = a.Zone
+	case *net.IPAddr:
+		ip = a.IP
+		zone = a.Zone
+	default:
+		return nil
+	}
+
+	if ip4 := ip.To4(); ip4 != nil {
+		sa := unix.SockaddrInet4{Port: port}
+		copy(sa.Addr[:], ip4)
+		return &sa
+	}
+
+	if ip6 := ip.To16(); ip6 != nil && ip.To4() == nil {
+		sa := unix.SockaddrInet6{Port: port}
+		copy(sa.Addr[:], ip6)
+		if zone != "" {
+			sa.ZoneId = uint32(zoneCache.index(zone))
+		}
+		return &sa
+	}
+
+	return nil
+}
+
+// sockaddrToAddr converts a unix.Sockaddr to a net.Addr.
+func sockaddrToAddr(sa unix.Sockaddr, network string) net.Addr {
+	var (
+		ip   net.IP
+		port int
+		zone string
+	)
+	switch sa := sa.(type) {
+	case *unix.SockaddrInet4:
+		ip = make(net.IP, net.IPv4len)
+		copy(ip, sa.Addr[:])
+		port = sa.Port
+	case *unix.SockaddrInet6:
+		ip = make(net.IP, net.IPv6len)
+		copy(ip, sa.Addr[:])
+		port = sa.Port
+		if sa.ZoneId > 0 {
+			zone = zoneCache.name(int(sa.ZoneId))
+		}
+	default:
+		return nil
+	}
+
+	switch network {
+	case "tcp", "tcp4", "tcp6":
+		return &net.TCPAddr{IP: ip, Port: port, Zone: zone}
+	case "udp", "udp4", "udp6":
+		return &net.UDPAddr{IP: ip, Port: port, Zone: zone}
+	default:
+		return &net.IPAddr{IP: ip, Zone: zone}
+	}
 }

vendor/golang.org/x/net/internal/socket/sys_windows.go

@@ -5,9 +5,11 @@
 package socket
 
 import (
-	"errors"
+	"net"
 	"syscall"
 	"unsafe"
+
+	"golang.org/x/sys/windows"
 )
 
 func probeProtocolStack() int {
@@ -16,30 +18,13 @@ func probeProtocolStack() int {
 }
 
 const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0x17
+	sysAF_UNSPEC = windows.AF_UNSPEC
+	sysAF_INET   = windows.AF_INET
+	sysAF_INET6  = windows.AF_INET6
 
-	sysSOCK_RAW = 0x3
-)
+	sysSOCK_RAW = windows.SOCK_RAW
 
-type sockaddrInet struct {
-	Family uint16
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	Zero   [8]uint8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-const (
-	sizeofSockaddrInet  = 0x10
+	sizeofSockaddrInet4 = 0x10
 	sizeofSockaddrInet6 = 0x1c
 )
 
@@ -53,18 +38,18 @@ func setsockopt(s uintptr, level, name int, b []byte) error {
 	return syscall.Setsockopt(syscall.Handle(s), int32(level), int32(name), (*byte)(unsafe.Pointer(&b[0])), int32(len(b)))
 }
 
-func recvmsg(s uintptr, h *msghdr, flags int) (int, error) {
-	return 0, errors.New("not implemented")
+func recvmsg(s uintptr, buffers [][]byte, oob []byte, flags int, network string) (n, oobn int, recvflags int, from net.Addr, err error) {
+	return 0, 0, 0, nil, errNotImplemented
 }
 
-func sendmsg(s uintptr, h *msghdr, flags int) (int, error) {
-	return 0, errors.New("not implemented")
+func sendmsg(s uintptr, buffers [][]byte, oob []byte, to net.Addr, flags int) (int, error) {
+	return 0, errNotImplemented
 }
 
 func recvmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) {
-	return 0, errors.New("not implemented")
+	return 0, errNotImplemented
 }
 
 func sendmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) {
-	return 0, errors.New("not implemented")
+	return 0, errNotImplemented
 }

vendor/golang.org/x/net/internal/socket/sys_zos_s390x.go

@@ -0,0 +1,66 @@
+// Copyright 2020 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.
+
+package socket
+
+import (
+	"net"
+	"syscall"
+	"unsafe"
+)
+
+func syscall_syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno)
+func syscall_syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno)
+
+func probeProtocolStack() int {
+	return 4 // sizeof(int) on GOOS=zos GOARCH=s390x
+}
+
+func getsockopt(s uintptr, level, name int, b []byte) (int, error) {
+	l := uint32(len(b))
+	_, _, errno := syscall_syscall6(syscall.SYS_GETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(unsafe.Pointer(&l)), 0)
+	return int(l), errnoErr(errno)
+}
+
+func setsockopt(s uintptr, level, name int, b []byte) error {
+	_, _, errno := syscall_syscall6(syscall.SYS_SETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(len(b)), 0)
+	return errnoErr(errno)
+}
+
+func recvmsg(s uintptr, buffers [][]byte, oob []byte, flags int, network string) (n, oobn int, recvflags int, from net.Addr, err error) {
+	var h msghdr
+	vs := make([]iovec, len(buffers))
+	var sa []byte
+	if network != "tcp" {
+		sa = make([]byte, sizeofSockaddrInet6)
+	}
+	h.pack(vs, buffers, oob, sa)
+	sn, _, errno := syscall_syscall(syscall.SYS___RECVMSG_A, s, uintptr(unsafe.Pointer(&h)), uintptr(flags))
+	n = int(sn)
+	oobn = h.controllen()
+	recvflags = h.flags()
+	err = errnoErr(errno)
+	if network != "tcp" {
+		var err2 error
+		from, err2 = parseInetAddr(sa, network)
+		if err2 != nil && err == nil {
+			err = err2
+		}
+	}
+	return
+}
+
+func sendmsg(s uintptr, buffers [][]byte, oob []byte, to net.Addr, flags int) (int, error) {
+	var h msghdr
+	vs := make([]iovec, len(buffers))
+	var sa []byte
+	if to != nil {
+		var a [sizeofSockaddrInet6]byte
+		n := marshalInetAddr(to, a[:])
+		sa = a[:n]
+	}
+	h.pack(vs, buffers, oob, sa)
+	n, _, errno := syscall_syscall(syscall.SYS___SENDMSG_A, s, uintptr(unsafe.Pointer(&h)), uintptr(flags))
+	return int(n), errnoErr(errno)
+}

vendor/golang.org/x/net/internal/socket/sys_zos_s390x.s

@@ -0,0 +1,11 @@
+// Copyright 2020 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.
+
+#include "textflag.h"
+
+TEXT ·syscall_syscall(SB),NOSPLIT,$0
+        JMP     syscall·_syscall(SB)
+
+TEXT ·syscall_syscall6(SB),NOSPLIT,$0
+        JMP     syscall·_syscall6(SB)

vendor/golang.org/x/net/internal/socket/zsys_aix_ppc64.go

@@ -0,0 +1,39 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_aix.go
+
+// Added for go1.11 compatibility
+//go:build aix
+
+package socket
+
+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
+}
+
+const (
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x30
+)

vendor/golang.org/x/net/internal/socket/zsys_darwin_386.go

@@ -1,59 +0,0 @@
-// Created by cgo -godefs - DO NOT EDIT
-// cgo -godefs defs_darwin.go
-
-package socket
-
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0x1e
-
-	sysSOCK_RAW = 0x3
-)
-
-type iovec struct {
-	Base *byte
-	Len  uint32
-}
-
-type msghdr struct {
-	Name       *byte
-	Namelen    uint32
-	Iov        *iovec
-	Iovlen     int32
-	Control    *byte
-	Controllen uint32
-	Flags      int32
-}
-
-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]int8
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-const (
-	sizeofIovec   = 0x8
-	sizeofMsghdr  = 0x1c
-	sizeofCmsghdr = 0xc
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
-)

vendor/golang.org/x/net/internal/socket/zsys_darwin_amd64.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_darwin.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0x1e
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint64
@@ -34,28 +26,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Len    uint8
-	Family uint8
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	Zero   [8]int8
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x10
-	sizeofMsghdr  = 0x30
-	sizeofCmsghdr = 0xc
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x30
 )

vendor/golang.org/x/net/internal/socket/zsys_darwin_arm.go

@@ -1,59 +0,0 @@
-// Created by cgo -godefs - DO NOT EDIT
-// cgo -godefs defs_darwin.go
-
-package socket
-
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0x1e
-
-	sysSOCK_RAW = 0x3
-)
-
-type iovec struct {
-	Base *byte
-	Len  uint32
-}
-
-type msghdr struct {
-	Name       *byte
-	Namelen    uint32
-	Iov        *iovec
-	Iovlen     int32
-	Control    *byte
-	Controllen uint32
-	Flags      int32
-}
-
-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]int8
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
-const (
-	sizeofIovec   = 0x8
-	sizeofMsghdr  = 0x1c
-	sizeofCmsghdr = 0xc
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
-)

vendor/golang.org/x/net/internal/socket/zsys_darwin_arm64.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_darwin.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0x1e
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint64
@@ -34,28 +26,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Len    uint8
-	Family uint8
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	Zero   [8]int8
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x10
-	sizeofMsghdr  = 0x30
-	sizeofCmsghdr = 0xc
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x30
 )

vendor/golang.org/x/net/internal/socket/zsys_dragonfly_amd64.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_dragonfly.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0x1c
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint64
@@ -34,28 +26,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Len    uint8
-	Family uint8
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	Zero   [8]int8
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x10
-	sizeofMsghdr  = 0x30
-	sizeofCmsghdr = 0xc
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x30
 )

vendor/golang.org/x/net/internal/socket/zsys_freebsd_386.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_freebsd.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0x1c
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint32
@@ -32,28 +24,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Len    uint8
-	Family uint8
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	Zero   [8]int8
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x8
-	sizeofMsghdr  = 0x1c
-	sizeofCmsghdr = 0xc
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x8
+	sizeofMsghdr = 0x1c
 )

vendor/golang.org/x/net/internal/socket/zsys_freebsd_amd64.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_freebsd.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0x1c
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint64
@@ -34,28 +26,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Len    uint8
-	Family uint8
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	Zero   [8]int8
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x10
-	sizeofMsghdr  = 0x30
-	sizeofCmsghdr = 0xc
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x30
 )

vendor/golang.org/x/net/internal/socket/zsys_freebsd_arm.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_freebsd.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0x1c
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint32
@@ -32,28 +24,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Len    uint8
-	Family uint8
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	Zero   [8]int8
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x8
-	sizeofMsghdr  = 0x1c
-	sizeofCmsghdr = 0xc
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x8
+	sizeofMsghdr = 0x1c
 )

vendor/golang.org/x/net/internal/socket/zsys_freebsd_arm64.go

@@ -0,0 +1,32 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_freebsd.go
+
+package socket
+
+type iovec struct {
+	Base *byte
+	Len  uint64
+}
+
+type msghdr struct {
+	Name       *byte
+	Namelen    uint32
+	Pad_cgo_0  [4]byte
+	Iov        *iovec
+	Iovlen     int32
+	Pad_cgo_1  [4]byte
+	Control    *byte
+	Controllen uint32
+	Flags      int32
+}
+
+type cmsghdr struct {
+	Len   uint32
+	Level int32
+	Type  int32
+}
+
+const (
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x30
+)

vendor/golang.org/x/net/internal/socket/zsys_freebsd_riscv64.go

@@ -0,0 +1,30 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_freebsd.go
+
+package socket
+
+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 cmsghdr struct {
+	Len   uint32
+	Level int32
+	Type  int32
+}
+
+const (
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x30
+)

vendor/golang.org/x/net/internal/socket/zsys_linux_386.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0xa
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint32
@@ -37,27 +29,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Family uint16
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	X__pad [8]uint8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x8
-	sizeofMsghdr  = 0x1c
-	sizeofMmsghdr = 0x20
-	sizeofCmsghdr = 0xc
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x8
+	sizeofMsghdr = 0x1c
 )

vendor/golang.org/x/net/internal/socket/zsys_linux_amd64.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0xa
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint64
@@ -40,27 +32,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Family uint16
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	X__pad [8]uint8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x10
-	sizeofMsghdr  = 0x38
-	sizeofMmsghdr = 0x40
-	sizeofCmsghdr = 0x10
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x38
 )

vendor/golang.org/x/net/internal/socket/zsys_linux_arm.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0xa
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint32
@@ -37,27 +29,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Family uint16
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	X__pad [8]uint8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x8
-	sizeofMsghdr  = 0x1c
-	sizeofMmsghdr = 0x20
-	sizeofCmsghdr = 0xc
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x8
+	sizeofMsghdr = 0x1c
 )

vendor/golang.org/x/net/internal/socket/zsys_linux_arm64.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0xa
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint64
@@ -40,27 +32,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Family uint16
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	X__pad [8]uint8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x10
-	sizeofMsghdr  = 0x38
-	sizeofMmsghdr = 0x40
-	sizeofCmsghdr = 0x10
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x38
 )

vendor/golang.org/x/net/internal/socket/zsys_linux_loong64.go

@@ -0,0 +1,39 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_linux.go
+
+//go:build loong64
+
+package socket
+
+type iovec struct {
+	Base *byte
+	Len  uint64
+}
+
+type msghdr struct {
+	Name       *byte
+	Namelen    uint32
+	Iov        *iovec
+	Iovlen     uint64
+	Control    *byte
+	Controllen uint64
+	Flags      int32
+	Pad_cgo_0  [4]byte
+}
+
+type mmsghdr struct {
+	Hdr       msghdr
+	Len       uint32
+	Pad_cgo_0 [4]byte
+}
+
+type cmsghdr struct {
+	Len   uint64
+	Level int32
+	Type  int32
+}
+
+const (
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x38
+)

vendor/golang.org/x/net/internal/socket/zsys_linux_mips.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0xa
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint32
@@ -37,27 +29,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Family uint16
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	X__pad [8]uint8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x8
-	sizeofMsghdr  = 0x1c
-	sizeofMmsghdr = 0x20
-	sizeofCmsghdr = 0xc
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x8
+	sizeofMsghdr = 0x1c
 )

vendor/golang.org/x/net/internal/socket/zsys_linux_mips64.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0xa
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint64
@@ -40,27 +32,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Family uint16
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	X__pad [8]uint8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x10
-	sizeofMsghdr  = 0x38
-	sizeofMmsghdr = 0x40
-	sizeofCmsghdr = 0x10
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x38
 )

vendor/golang.org/x/net/internal/socket/zsys_linux_mips64le.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0xa
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint64
@@ -40,27 +32,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Family uint16
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	X__pad [8]uint8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x10
-	sizeofMsghdr  = 0x38
-	sizeofMmsghdr = 0x40
-	sizeofCmsghdr = 0x10
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x38
 )

vendor/golang.org/x/net/internal/socket/zsys_linux_mipsle.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0xa
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint32
@@ -37,27 +29,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Family uint16
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	X__pad [8]uint8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x8
-	sizeofMsghdr  = 0x1c
-	sizeofMmsghdr = 0x20
-	sizeofCmsghdr = 0xc
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x8
+	sizeofMsghdr = 0x1c
 )

vendor/golang.org/x/net/internal/socket/zsys_linux_ppc.go

@@ -0,0 +1,35 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_linux.go
+
+package socket
+
+type iovec struct {
+	Base *byte
+	Len  uint32
+}
+
+type msghdr struct {
+	Name       *byte
+	Namelen    uint32
+	Iov        *iovec
+	Iovlen     uint32
+	Control    *byte
+	Controllen uint32
+	Flags      int32
+}
+
+type mmsghdr struct {
+	Hdr msghdr
+	Len uint32
+}
+
+type cmsghdr struct {
+	Len   uint32
+	Level int32
+	Type  int32
+}
+
+const (
+	sizeofIovec  = 0x8
+	sizeofMsghdr = 0x1c
+)

vendor/golang.org/x/net/internal/socket/zsys_linux_ppc64.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0xa
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint64
@@ -40,27 +32,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Family uint16
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	X__pad [8]uint8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x10
-	sizeofMsghdr  = 0x38
-	sizeofMmsghdr = 0x40
-	sizeofCmsghdr = 0x10
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x38
 )

vendor/golang.org/x/net/internal/socket/zsys_linux_ppc64le.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0xa
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint64
@@ -40,27 +32,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Family uint16
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	X__pad [8]uint8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x10
-	sizeofMsghdr  = 0x38
-	sizeofMmsghdr = 0x40
-	sizeofCmsghdr = 0x10
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x38
 )

vendor/golang.org/x/net/internal/socket/zsys_linux_riscv64.go

@@ -0,0 +1,39 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_linux.go
+
+//go:build riscv64
+
+package socket
+
+type iovec struct {
+	Base *byte
+	Len  uint64
+}
+
+type msghdr struct {
+	Name       *byte
+	Namelen    uint32
+	Iov        *iovec
+	Iovlen     uint64
+	Control    *byte
+	Controllen uint64
+	Flags      int32
+	Pad_cgo_0  [4]byte
+}
+
+type mmsghdr struct {
+	Hdr       msghdr
+	Len       uint32
+	Pad_cgo_0 [4]byte
+}
+
+type cmsghdr struct {
+	Len   uint64
+	Level int32
+	Type  int32
+}
+
+const (
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x38
+)

vendor/golang.org/x/net/internal/socket/zsys_linux_s390x.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0xa
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint64
@@ -40,27 +32,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Family uint16
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	X__pad [8]uint8
-}
-
-type sockaddrInet6 struct {
-	Family   uint16
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x10
-	sizeofMsghdr  = 0x38
-	sizeofMmsghdr = 0x40
-	sizeofCmsghdr = 0x10
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x38
 )

vendor/golang.org/x/net/internal/socket/zsys_netbsd_386.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_netbsd.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0x18
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint32
@@ -37,29 +29,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Len    uint8
-	Family uint8
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	Zero   [8]int8
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x8
-	sizeofMsghdr  = 0x1c
-	sizeofMmsghdr = 0x20
-	sizeofCmsghdr = 0xc
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x8
+	sizeofMsghdr = 0x1c
 )

vendor/golang.org/x/net/internal/socket/zsys_netbsd_amd64.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_netbsd.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0x18
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint64
@@ -40,29 +32,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Len    uint8
-	Family uint8
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	Zero   [8]int8
-}
-
-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 = 0x40
-	sizeofCmsghdr = 0xc
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x30
 )

vendor/golang.org/x/net/internal/socket/zsys_netbsd_arm.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_netbsd.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0x18
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint32
@@ -37,29 +29,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Len    uint8
-	Family uint8
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	Zero   [8]int8
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x8
-	sizeofMsghdr  = 0x1c
-	sizeofMmsghdr = 0x20
-	sizeofCmsghdr = 0xc
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x8
+	sizeofMsghdr = 0x1c
 )

vendor/golang.org/x/net/internal/socket/zsys_netbsd_arm64.go

@@ -0,0 +1,38 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_netbsd.go
+
+package socket
+
+type iovec struct {
+	Base *byte
+	Len  uint64
+}
+
+type msghdr struct {
+	Name       *byte
+	Namelen    uint32
+	Pad_cgo_0  [4]byte
+	Iov        *iovec
+	Iovlen     int32
+	Pad_cgo_1  [4]byte
+	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
+}
+
+const (
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x30
+)

vendor/golang.org/x/net/internal/socket/zsys_openbsd_386.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_openbsd.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0x18
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint32
@@ -32,28 +24,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Len    uint8
-	Family uint8
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	Zero   [8]int8
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x8
-	sizeofMsghdr  = 0x1c
-	sizeofCmsghdr = 0xc
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x8
+	sizeofMsghdr = 0x1c
 )

vendor/golang.org/x/net/internal/socket/zsys_openbsd_amd64.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_openbsd.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0x18
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint64
@@ -34,28 +26,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Len    uint8
-	Family uint8
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	Zero   [8]int8
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x10
-	sizeofMsghdr  = 0x30
-	sizeofCmsghdr = 0xc
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x30
 )

vendor/golang.org/x/net/internal/socket/zsys_openbsd_arm.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_openbsd.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0x18
-
-	sysSOCK_RAW = 0x3
-)
-
 type iovec struct {
 	Base *byte
 	Len  uint32
@@ -32,28 +24,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Len    uint8
-	Family uint8
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	Zero   [8]int8
-}
-
-type sockaddrInet6 struct {
-	Len      uint8
-	Family   uint8
-	Port     uint16
-	Flowinfo uint32
-	Addr     [16]byte /* in6_addr */
-	Scope_id uint32
-}
-
 const (
-	sizeofIovec   = 0x8
-	sizeofMsghdr  = 0x1c
-	sizeofCmsghdr = 0xc
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
+	sizeofIovec  = 0x8
+	sizeofMsghdr = 0x1c
 )

vendor/golang.org/x/net/internal/socket/zsys_openbsd_arm64.go

@@ -0,0 +1,32 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_openbsd.go
+
+package socket
+
+type iovec struct {
+	Base *byte
+	Len  uint64
+}
+
+type msghdr struct {
+	Name       *byte
+	Namelen    uint32
+	Pad_cgo_0  [4]byte
+	Iov        *iovec
+	Iovlen     uint32
+	Pad_cgo_1  [4]byte
+	Control    *byte
+	Controllen uint32
+	Flags      int32
+}
+
+type cmsghdr struct {
+	Len   uint32
+	Level int32
+	Type  int32
+}
+
+const (
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x30
+)

vendor/golang.org/x/net/internal/socket/zsys_openbsd_mips64.go

@@ -0,0 +1,30 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_openbsd.go
+
+package socket
+
+type iovec struct {
+	Base *byte
+	Len  uint64
+}
+
+type msghdr struct {
+	Name       *byte
+	Namelen    uint32
+	Iov        *iovec
+	Iovlen     uint32
+	Control    *byte
+	Controllen uint32
+	Flags      int32
+}
+
+type cmsghdr struct {
+	Len   uint32
+	Level int32
+	Type  int32
+}
+
+const (
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x30
+)

vendor/golang.org/x/net/internal/socket/zsys_openbsd_ppc64.go

@@ -0,0 +1,30 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_openbsd.go
+
+package socket
+
+type iovec struct {
+	Base *byte
+	Len  uint64
+}
+
+type msghdr struct {
+	Name       *byte
+	Namelen    uint32
+	Iov        *iovec
+	Iovlen     uint32
+	Control    *byte
+	Controllen uint32
+	Flags      int32
+}
+
+type cmsghdr struct {
+	Len   uint32
+	Level int32
+	Type  int32
+}
+
+const (
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x30
+)

vendor/golang.org/x/net/internal/socket/zsys_openbsd_riscv64.go

@@ -0,0 +1,30 @@
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
+// cgo -godefs defs_openbsd.go
+
+package socket
+
+type iovec struct {
+	Base *byte
+	Len  uint64
+}
+
+type msghdr struct {
+	Name       *byte
+	Namelen    uint32
+	Iov        *iovec
+	Iovlen     uint32
+	Control    *byte
+	Controllen uint32
+	Flags      int32
+}
+
+type cmsghdr struct {
+	Len   uint32
+	Level int32
+	Type  int32
+}
+
+const (
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x30
+)

vendor/golang.org/x/net/internal/socket/zsys_solaris_amd64.go

@@ -1,16 +1,8 @@
-// Created by cgo -godefs - DO NOT EDIT
+// Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_solaris.go
 
 package socket
 
-const (
-	sysAF_UNSPEC = 0x0
-	sysAF_INET   = 0x2
-	sysAF_INET6  = 0x1a
-
-	sysSOCK_RAW = 0x4
-)
-
 type iovec struct {
 	Base *int8
 	Len  uint64
@@ -34,27 +26,7 @@ type cmsghdr struct {
 	Type  int32
 }
 
-type sockaddrInet struct {
-	Family uint16
-	Port   uint16
-	Addr   [4]byte /* in_addr */
-	Zero   [8]int8
-}
-
-type sockaddrInet6 struct {
-	Family         uint16
-	Port           uint16
-	Flowinfo       uint32
-	Addr           [16]byte /* in6_addr */
-	Scope_id       uint32
-	X__sin6_src_id uint32
-}
-
 const (
-	sizeofIovec   = 0x10
-	sizeofMsghdr  = 0x30
-	sizeofCmsghdr = 0xc
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x20
+	sizeofIovec  = 0x10
+	sizeofMsghdr = 0x30
 )

vendor/golang.org/x/net/internal/socket/zsys_zos_s390x.go

@@ -0,0 +1,28 @@
+// Copyright 2020 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.
+
+package socket
+
+type iovec struct {
+	Base *byte
+	Len  uint64
+}
+
+type msghdr struct {
+	Name       *byte
+	Iov        *iovec
+	Control    *byte
+	Flags      int32
+	Namelen    uint32
+	Iovlen     int32
+	Controllen uint32
+}
+
+type cmsghdr struct {
+	Len   int32
+	Level int32
+	Type  int32
+}
+
+const sizeofCmsghdr = 12