Update module to 1.17 and update all deps

81 files changed, 317 insertions, 904 deletions

diff --git a/vendor/golang.org/x/net/internal/socket/cmsghdr.go b/vendor/golang.org/x/net/internal/socket/cmsghdr.go
index 0cde35a..4bdaaaf 100644
--- a/vendor/golang.org/x/net/internal/socket/cmsghdr.go
+++ b/vendor/golang.org/x/net/internal/socket/cmsghdr.go
@@ -2,6 +2,7 @@
 // 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
 // +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
 
 package socket
diff --git a/vendor/golang.org/x/net/internal/socket/cmsghdr_bsd.go b/vendor/golang.org/x/net/internal/socket/cmsghdr_bsd.go
index 14dbb3a..0d30e0a 100644
--- a/vendor/golang.org/x/net/internal/socket/cmsghdr_bsd.go
+++ b/vendor/golang.org/x/net/internal/socket/cmsghdr_bsd.go
@@ -2,6 +2,7 @@
 // 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 || netbsd || openbsd
 // +build aix darwin dragonfly freebsd netbsd openbsd
 
 package socket
diff --git a/vendor/golang.org/x/net/internal/socket/cmsghdr_linux_32bit.go b/vendor/golang.org/x/net/internal/socket/cmsghdr_linux_32bit.go
index bac6681..4936e8a 100644
--- a/vendor/golang.org/x/net/internal/socket/cmsghdr_linux_32bit.go
+++ b/vendor/golang.org/x/net/internal/socket/cmsghdr_linux_32bit.go
@@ -2,7 +2,8 @@
 // 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
+//go:build (arm || mips || mipsle || 386 || ppc) && linux
+// +build arm mips mipsle 386 ppc
 // +build linux
 
 package socket
diff --git a/vendor/golang.org/x/net/internal/socket/cmsghdr_linux_64bit.go b/vendor/golang.org/x/net/internal/socket/cmsghdr_linux_64bit.go
index 27be0ef..1ba4310 100644
--- a/vendor/golang.org/x/net/internal/socket/cmsghdr_linux_64bit.go
+++ b/vendor/golang.org/x/net/internal/socket/cmsghdr_linux_64bit.go
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build (arm64 || amd64 || ppc64 || ppc64le || mips64 || mips64le || riscv64 || s390x) && linux
 // +build arm64 amd64 ppc64 ppc64le mips64 mips64le riscv64 s390x
 // +build linux
 
diff --git a/vendor/golang.org/x/net/internal/socket/cmsghdr_solaris_64bit.go b/vendor/golang.org/x/net/internal/socket/cmsghdr_solaris_64bit.go
index 7dedd43..d3dbe1b 100644
--- a/vendor/golang.org/x/net/internal/socket/cmsghdr_solaris_64bit.go
+++ b/vendor/golang.org/x/net/internal/socket/cmsghdr_solaris_64bit.go
@@ -2,8 +2,8 @@
 // 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
+// +build amd64,solaris
 
 package socket
 
diff --git a/vendor/golang.org/x/net/internal/socket/cmsghdr_stub.go b/vendor/golang.org/x/net/internal/socket/cmsghdr_stub.go
index 83c35ec..1d9f2ed 100644
--- a/vendor/golang.org/x/net/internal/socket/cmsghdr_stub.go
+++ b/vendor/golang.org/x/net/internal/socket/cmsghdr_stub.go
@@ -2,6 +2,7 @@
 // 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
 // +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!zos
 
 package socket
diff --git a/vendor/golang.org/x/net/internal/socket/cmsghdr_unix.go b/vendor/golang.org/x/net/internal/socket/cmsghdr_unix.go
index c2b2b65..aa1b062 100644
--- a/vendor/golang.org/x/net/internal/socket/cmsghdr_unix.go
+++ b/vendor/golang.org/x/net/internal/socket/cmsghdr_unix.go
@@ -2,6 +2,7 @@
 // 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
 // +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
 
 package socket
diff --git a/vendor/golang.org/x/net/internal/socket/complete_dontwait.go b/vendor/golang.org/x/net/internal/socket/complete_dontwait.go
new file mode 100644
index 0000000..5b1d50a
--- /dev/null
+++ b/vendor/golang.org/x/net/internal/socket/complete_dontwait.go
@@ -0,0 +1,26 @@
+// 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
+// +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
+}
diff --git a/vendor/golang.org/x/net/internal/socket/complete_nodontwait.go b/vendor/golang.org/x/net/internal/socket/complete_nodontwait.go
new file mode 100644
index 0000000..be63409
--- /dev/null
+++ b/vendor/golang.org/x/net/internal/socket/complete_nodontwait.go
@@ -0,0 +1,22 @@
+// 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
+// +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
+}
diff --git a/vendor/golang.org/x/net/internal/socket/empty.s b/vendor/golang.org/x/net/internal/socket/empty.s
index bff0231..90ab4ca 100644
--- a/vendor/golang.org/x/net/internal/socket/empty.s
+++ b/vendor/golang.org/x/net/internal/socket/empty.s
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build darwin && go1.12
 // +build darwin,go1.12
 
 // This exists solely so we can linkname in symbols from syscall.
diff --git a/vendor/golang.org/x/net/internal/socket/error_unix.go b/vendor/golang.org/x/net/internal/socket/error_unix.go
index 47f0d6e..78f4129 100644
--- a/vendor/golang.org/x/net/internal/socket/error_unix.go
+++ b/vendor/golang.org/x/net/internal/socket/error_unix.go
@@ -2,6 +2,7 @@
 // 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
 // +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
 
 package socket
diff --git a/vendor/golang.org/x/net/internal/socket/iovec_32bit.go b/vendor/golang.org/x/net/internal/socket/iovec_32bit.go
index 05d6082..2b8fbb3 100644
--- a/vendor/golang.org/x/net/internal/socket/iovec_32bit.go
+++ b/vendor/golang.org/x/net/internal/socket/iovec_32bit.go
@@ -2,7 +2,8 @@
 // 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
+//go:build (arm || mips || mipsle || 386 || ppc) && (darwin || dragonfly || freebsd || linux || netbsd || openbsd)
+// +build arm mips mipsle 386 ppc
 // +build darwin dragonfly freebsd linux netbsd openbsd
 
 package socket
diff --git a/vendor/golang.org/x/net/internal/socket/iovec_64bit.go b/vendor/golang.org/x/net/internal/socket/iovec_64bit.go
index 0309e10..3dc5def 100644
--- a/vendor/golang.org/x/net/internal/socket/iovec_64bit.go
+++ b/vendor/golang.org/x/net/internal/socket/iovec_64bit.go
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build (arm64 || amd64 || ppc64 || ppc64le || mips64 || mips64le || riscv64 || s390x) && (aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || zos)
 // +build arm64 amd64 ppc64 ppc64le mips64 mips64le riscv64 s390x
 // +build aix darwin dragonfly freebsd linux netbsd openbsd zos
 
diff --git a/vendor/golang.org/x/net/internal/socket/iovec_solaris_64bit.go b/vendor/golang.org/x/net/internal/socket/iovec_solaris_64bit.go
index 8d17a40..f7da2bc 100644
--- a/vendor/golang.org/x/net/internal/socket/iovec_solaris_64bit.go
+++ b/vendor/golang.org/x/net/internal/socket/iovec_solaris_64bit.go
@@ -2,8 +2,8 @@
 // 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
+// +build amd64,solaris
 
 package socket
 
diff --git a/vendor/golang.org/x/net/internal/socket/iovec_stub.go b/vendor/golang.org/x/net/internal/socket/iovec_stub.go
index f44d4f5..14caf52 100644
--- a/vendor/golang.org/x/net/internal/socket/iovec_stub.go
+++ b/vendor/golang.org/x/net/internal/socket/iovec_stub.go
@@ -2,6 +2,7 @@
 // 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
 // +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!zos
 
 package socket
diff --git a/vendor/golang.org/x/net/internal/socket/mmsghdr_stub.go b/vendor/golang.org/x/net/internal/socket/mmsghdr_stub.go
index 1a7f279..113e773 100644
--- a/vendor/golang.org/x/net/internal/socket/mmsghdr_stub.go
+++ b/vendor/golang.org/x/net/internal/socket/mmsghdr_stub.go
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !aix && !linux && !netbsd
 // +build !aix,!linux,!netbsd
 
 package socket
diff --git a/vendor/golang.org/x/net/internal/socket/mmsghdr_unix.go b/vendor/golang.org/x/net/internal/socket/mmsghdr_unix.go
index f110068..40ebeda 100644
--- a/vendor/golang.org/x/net/internal/socket/mmsghdr_unix.go
+++ b/vendor/golang.org/x/net/internal/socket/mmsghdr_unix.go
@@ -2,29 +2,18 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build aix || linux || netbsd
 // +build aix linux netbsd
 
 package socket
 
-import "net"
+import (
+	"net"
+	"sync"
+)
 
 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 +29,86 @@ 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
+}
+
+var defaultMmsghdrsPool = mmsghdrsPool{
+	p: sync.Pool{
+		New: func() interface{} {
+			return new(mmsghdrsPacker)
+		},
+	},
+}
+
+type mmsghdrsPool struct {
+	p sync.Pool
+}
+
+func (p *mmsghdrsPool) Get() *mmsghdrsPacker {
+	return p.p.Get().(*mmsghdrsPacker)
+}
+
+func (p *mmsghdrsPool) Put(packer *mmsghdrsPacker) {
+	p.p.Put(packer)
+}
diff --git a/vendor/golang.org/x/net/internal/socket/msghdr_bsd.go b/vendor/golang.org/x/net/internal/socket/msghdr_bsd.go
index 77f44c1..25f6847 100644
--- a/vendor/golang.org/x/net/internal/socket/msghdr_bsd.go
+++ b/vendor/golang.org/x/net/internal/socket/msghdr_bsd.go
@@ -2,6 +2,7 @@
 // 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 || netbsd || openbsd
 // +build aix darwin dragonfly freebsd netbsd openbsd
 
 package socket
diff --git a/vendor/golang.org/x/net/internal/socket/msghdr_bsdvar.go b/vendor/golang.org/x/net/internal/socket/msghdr_bsdvar.go
index c5562dd..5b8e00f 100644
--- a/vendor/golang.org/x/net/internal/socket/msghdr_bsdvar.go
+++ b/vendor/golang.org/x/net/internal/socket/msghdr_bsdvar.go
@@ -2,6 +2,7 @@
 // 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 || netbsd
 // +build aix darwin dragonfly freebsd netbsd
 
 package socket
diff --git a/vendor/golang.org/x/net/internal/socket/msghdr_linux.go b/vendor/golang.org/x/net/internal/socket/msghdr_linux.go
index 5a38798..c3c7cc4 100644
--- a/vendor/golang.org/x/net/internal/socket/msghdr_linux.go
+++ b/vendor/golang.org/x/net/internal/socket/msghdr_linux.go
@@ -17,6 +17,9 @@ func (h *msghdr) pack(vs []iovec, bs [][]byte, oob []byte, sa []byte) {
 	if sa != nil {
 		h.Name = (*byte)(unsafe.Pointer(&sa[0]))
 		h.Namelen = uint32(len(sa))
+	} else {
+		h.Name = nil
+		h.Namelen = 0
 	}
 }
 
diff --git a/vendor/golang.org/x/net/internal/socket/msghdr_linux_32bit.go b/vendor/golang.org/x/net/internal/socket/msghdr_linux_32bit.go
index a7a5987..b4658fb 100644
--- a/vendor/golang.org/x/net/internal/socket/msghdr_linux_32bit.go
+++ b/vendor/golang.org/x/net/internal/socket/msghdr_linux_32bit.go
@@ -2,7 +2,8 @@
 // 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
+//go:build (arm || mips || mipsle || 386 || ppc) && linux
+// +build arm mips mipsle 386 ppc
 // +build linux
 
 package socket
diff --git a/vendor/golang.org/x/net/internal/socket/msghdr_linux_64bit.go b/vendor/golang.org/x/net/internal/socket/msghdr_linux_64bit.go
index e731833..c9c592d 100644
--- a/vendor/golang.org/x/net/internal/socket/msghdr_linux_64bit.go
+++ b/vendor/golang.org/x/net/internal/socket/msghdr_linux_64bit.go
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build (arm64 || amd64 || ppc64 || ppc64le || mips64 || mips64le || riscv64 || s390x) && linux
 // +build arm64 amd64 ppc64 ppc64le mips64 mips64le riscv64 s390x
 // +build linux
 
diff --git a/vendor/golang.org/x/net/internal/socket/msghdr_solaris_64bit.go b/vendor/golang.org/x/net/internal/socket/msghdr_solaris_64bit.go
index 6465b20..3098f5d 100644
--- a/vendor/golang.org/x/net/internal/socket/msghdr_solaris_64bit.go
+++ b/vendor/golang.org/x/net/internal/socket/msghdr_solaris_64bit.go
@@ -2,8 +2,8 @@
 // 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
+// +build amd64,solaris
 
 package socket
 
diff --git a/vendor/golang.org/x/net/internal/socket/msghdr_stub.go b/vendor/golang.org/x/net/internal/socket/msghdr_stub.go
index 1a253d2..eb79151 100644
--- a/vendor/golang.org/x/net/internal/socket/msghdr_stub.go
+++ b/vendor/golang.org/x/net/internal/socket/msghdr_stub.go
@@ -2,6 +2,7 @@
 // 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
 // +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!zos
 
 package socket
diff --git a/vendor/golang.org/x/net/internal/socket/msghdr_zos_s390x.go b/vendor/golang.org/x/net/internal/socket/msghdr_zos_s390x.go
index eb1a99a..324e9ee 100644
--- a/vendor/golang.org/x/net/internal/socket/msghdr_zos_s390x.go
+++ b/vendor/golang.org/x/net/internal/socket/msghdr_zos_s390x.go
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build s390x
-// +build zos
+//go:build s390x && zos
+// +build s390x,zos
 
 package socket
 
diff --git a/vendor/golang.org/x/net/internal/socket/norace.go b/vendor/golang.org/x/net/internal/socket/norace.go
index 9519ffb..de0ad42 100644
--- a/vendor/golang.org/x/net/internal/socket/norace.go
+++ b/vendor/golang.org/x/net/internal/socket/norace.go
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !race
 // +build !race
 
 package socket
diff --git a/vendor/golang.org/x/net/internal/socket/race.go b/vendor/golang.org/x/net/internal/socket/race.go
index df60c62..f0a28a6 100644
--- a/vendor/golang.org/x/net/internal/socket/race.go
+++ b/vendor/golang.org/x/net/internal/socket/race.go
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build race
 // +build race
 
 package socket
diff --git a/vendor/golang.org/x/net/internal/socket/rawconn.go b/vendor/golang.org/x/net/internal/socket/rawconn.go
index b07b890..87e8107 100644
--- a/vendor/golang.org/x/net/internal/socket/rawconn.go
+++ b/vendor/golang.org/x/net/internal/socket/rawconn.go
@@ -17,18 +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:
diff --git a/vendor/golang.org/x/net/internal/socket/rawconn_mmsg.go b/vendor/golang.org/x/net/internal/socket/rawconn_mmsg.go
index d01fc4c..3fcb51b 100644
--- a/vendor/golang.org/x/net/internal/socket/rawconn_mmsg.go
+++ b/vendor/golang.org/x/net/internal/socket/rawconn_mmsg.go
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build linux
 // +build linux
 
 package socket
@@ -9,29 +10,24 @@ package socket
 import (
 	"net"
 	"os"
-	"syscall"
 )
 
 func (c *Conn) recvMsgs(ms []Message, flags int) (int, error) {
 	for i := range ms {
 		ms[i].raceWrite()
 	}
-	hs := make(mmsghdrs, len(ms))
+	packer := defaultMmsghdrsPool.Get()
+	defer defaultMmsghdrsPool.Put(packer)
 	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
-	}
+	hs := packer.pack(ms, parseFn, nil)
 	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
+		return ioComplete(flags, operr)
 	}
 	if err := c.c.Read(fn); err != nil {
 		return n, err
@@ -49,22 +45,18 @@ func (c *Conn) sendMsgs(ms []Message, flags int) (int, error) {
 	for i := range ms {
 		ms[i].raceRead()
 	}
-	hs := make(mmsghdrs, len(ms))
-	var marshalFn func(net.Addr) []byte
+	packer := defaultMmsghdrsPool.Get()
+	defer defaultMmsghdrsPool.Put(packer)
+	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
-	}
+	hs := packer.pack(ms, nil, marshalFn)
 	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
+		return ioComplete(flags, operr)
 	}
 	if err := c.c.Write(fn); err != nil {
 		return n, err
diff --git a/vendor/golang.org/x/net/internal/socket/rawconn_msg.go b/vendor/golang.org/x/net/internal/socket/rawconn_msg.go
index 610b1a1..ba53f56 100644
--- a/vendor/golang.org/x/net/internal/socket/rawconn_msg.go
+++ b/vendor/golang.org/x/net/internal/socket/rawconn_msg.go
@@ -2,14 +2,13 @@
 // 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 || windows || zos
 // +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows zos
 
 package socket
 
 import (
 	"os"
-	"runtime"
-	"syscall"
 )
 
 func (c *Conn) recvMsg(m *Message, flags int) error {
@@ -25,10 +24,7 @@ func (c *Conn) recvMsg(m *Message, flags int) error {
 	var n int
 	fn := func(s uintptr) bool {
 		n, operr = recvmsg(s, &h, flags)
-		if operr == syscall.EAGAIN || (runtime.GOOS == "zos" && operr == syscall.EWOULDBLOCK) {
-			return false
-		}
-		return true
+		return ioComplete(flags, operr)
 	}
 	if err := c.c.Read(fn); err != nil {
 		return err
@@ -55,17 +51,16 @@ func (c *Conn) sendMsg(m *Message, flags int) error {
 	vs := make([]iovec, len(m.Buffers))
 	var sa []byte
 	if m.Addr != nil {
-		sa = marshalInetAddr(m.Addr)
+		var a [sizeofSockaddrInet6]byte
+		n := marshalInetAddr(m.Addr, a[:])
+		sa = a[:n]
 	}
 	h.pack(vs, m.Buffers, m.OOB, sa)
 	var operr error
 	var n int
 	fn := func(s uintptr) bool {
 		n, operr = sendmsg(s, &h, flags)
-		if operr == syscall.EAGAIN || (runtime.GOOS == "zos" && operr == syscall.EWOULDBLOCK) {
-			return false
-		}
-		return true
+		return ioComplete(flags, operr)
 	}
 	if err := c.c.Write(fn); err != nil {
 		return err
diff --git a/vendor/golang.org/x/net/internal/socket/rawconn_nommsg.go b/vendor/golang.org/x/net/internal/socket/rawconn_nommsg.go
index fe5bb94..02f3285 100644
--- a/vendor/golang.org/x/net/internal/socket/rawconn_nommsg.go
+++ b/vendor/golang.org/x/net/internal/socket/rawconn_nommsg.go
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build !linux
 // +build !linux
 
 package socket
diff --git a/vendor/golang.org/x/net/internal/socket/rawconn_nomsg.go b/vendor/golang.org/x/net/internal/socket/rawconn_nomsg.go
index e51b60d..dd78587 100644
--- a/vendor/golang.org/x/net/internal/socket/rawconn_nomsg.go
+++ b/vendor/golang.org/x/net/internal/socket/rawconn_nomsg.go
@@ -2,6 +2,7 @@
 // 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 && !windows && !zos
 // +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows,!zos
 
 package socket
diff --git a/vendor/golang.org/x/net/internal/socket/sys_bsd.go b/vendor/golang.org/x/net/internal/socket/sys_bsd.go
index d432835..b258879 100644
--- a/vendor/golang.org/x/net/internal/socket/sys_bsd.go
+++ b/vendor/golang.org/x/net/internal/socket/sys_bsd.go
@@ -2,7 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build aix darwin dragonfly freebsd openbsd
+//go:build aix || darwin || dragonfly || freebsd || openbsd || solaris
+// +build aix darwin dragonfly freebsd openbsd solaris
 
 package socket
 
diff --git a/vendor/golang.org/x/net/internal/socket/sys_const_unix.go b/vendor/golang.org/x/net/internal/socket/sys_const_unix.go
index 43797d6..5d99f23 100644
--- a/vendor/golang.org/x/net/internal/socket/sys_const_unix.go
+++ b/vendor/golang.org/x/net/internal/socket/sys_const_unix.go
@@ -2,7 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos
 
 package socket
 
@@ -14,4 +15,7 @@ const (
 	sysAF_INET6  = unix.AF_INET6
 
 	sysSOCK_RAW = unix.SOCK_RAW
+
+	sizeofSockaddrInet4 = unix.SizeofSockaddrInet4
+	sizeofSockaddrInet6 = unix.SizeofSockaddrInet6
 )
diff --git a/vendor/golang.org/x/net/internal/socket/sys_const_zos.go b/vendor/golang.org/x/net/internal/socket/sys_const_zos.go
deleted file mode 100644
index 01b6372..0000000
--- a/vendor/golang.org/x/net/internal/socket/sys_const_zos.go
+++ /dev/null
@@ -1,17 +0,0 @@
-// 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.
-
-// +build zos
-
-package socket
-
-import "syscall"
-
-const (
-	sysAF_UNSPEC = syscall.AF_UNSPEC
-	sysAF_INET   = syscall.AF_INET
-	sysAF_INET6  = syscall.AF_INET6
-
-	sysSOCK_RAW = syscall.SOCK_RAW
-)
diff --git a/vendor/golang.org/x/net/internal/socket/sys_linkname.go b/vendor/golang.org/x/net/internal/socket/sys_linkname.go
deleted file mode 100644
index 61c3f38..0000000
--- a/vendor/golang.org/x/net/internal/socket/sys_linkname.go
+++ /dev/null
@@ -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 aix go1.12,darwin
-
-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)
-}
diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux.go b/vendor/golang.org/x/net/internal/socket/sys_linux.go
index 8b03cd6..76f5b8a 100644
--- a/vendor/golang.org/x/net/internal/socket/sys_linux.go
+++ b/vendor/golang.org/x/net/internal/socket/sys_linux.go
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build linux && !s390x && !386
 // +build linux,!s390x,!386
 
 package socket
diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux_386.go b/vendor/golang.org/x/net/internal/socket/sys_linux_386.go
index 6512153..c877ef2 100644
--- a/vendor/golang.org/x/net/internal/socket/sys_linux_386.go
+++ b/vendor/golang.org/x/net/internal/socket/sys_linux_386.go
@@ -10,38 +10,13 @@ import (
 )
 
 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)
diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux_ppc.go b/vendor/golang.org/x/net/internal/socket/sys_linux_ppc.go
new file mode 100644
index 0000000..90cfaa9
--- /dev/null
+++ b/vendor/golang.org/x/net/internal/socket/sys_linux_ppc.go
@@ -0,0 +1,10 @@
+// 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
+
+const (
+	sysRECVMMSG = 0x157
+	sysSENDMMSG = 0x15d
+)
diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux_riscv64.go b/vendor/golang.org/x/net/internal/socket/sys_linux_riscv64.go
index 64f69f1..5b128fb 100644
--- a/vendor/golang.org/x/net/internal/socket/sys_linux_riscv64.go
+++ b/vendor/golang.org/x/net/internal/socket/sys_linux_riscv64.go
@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+//go:build riscv64
 // +build riscv64
 
 package socket
diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux_s390x.go b/vendor/golang.org/x/net/internal/socket/sys_linux_s390x.go
index 6512153..c877ef2 100644
--- a/vendor/golang.org/x/net/internal/socket/sys_linux_s390x.go
+++ b/vendor/golang.org/x/net/internal/socket/sys_linux_s390x.go
@@ -10,38 +10,13 @@ import (
 )
 
 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)
diff --git a/vendor/golang.org/x/net/internal/socket/sys_posix.go b/vendor/golang.org/x/net/internal/socket/sys_posix.go
index 05ded23..42b8f23 100644
--- a/vendor/golang.org/x/net/internal/socket/sys_posix.go
+++ b/vendor/golang.org/x/net/internal/socket/sys_posix.go
@@ -2,6 +2,7 @@
 // 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 || windows || zos
 // +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows zos
 
 package socket
@@ -16,35 +17,36 @@ 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", "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", "illumos", "linux", "solaris", "windows":
 			NativeEndian.PutUint16(b[:2], uint16(sysAF_INET6))
@@ -57,9 +59,9 @@ 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) {
@@ -76,7 +78,7 @@ 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)
diff --git a/vendor/golang.org/x/net/internal/socket/sys_solaris.go b/vendor/golang.org/x/net/internal/socket/sys_solaris.go
deleted file mode 100644
index e79ca95..0000000
--- a/vendor/golang.org/x/net/internal/socket/sys_solaris.go
+++ /dev/null
@@ -1,59 +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 (
-	"syscall"
-	"unsafe"
-)
-
-//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, errNotImplemented
-}
-
-func sendmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) {
-	return 0, errNotImplemented
-}
diff --git a/vendor/golang.org/x/net/internal/socket/sys_solaris_amd64.s b/vendor/golang.org/x/net/internal/socket/sys_solaris_amd64.s
deleted file mode 100644
index a18ac5e..0000000
--- a/vendor/golang.org/x/net/internal/socket/sys_solaris_amd64.s
+++ /dev/null
@@ -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)
diff --git a/vendor/golang.org/x/net/internal/socket/sys_stub.go b/vendor/golang.org/x/net/internal/socket/sys_stub.go
index 3c97008..381e45e 100644
--- a/vendor/golang.org/x/net/internal/socket/sys_stub.go
+++ b/vendor/golang.org/x/net/internal/socket/sys_stub.go
@@ -2,6 +2,7 @@
 // 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 && !windows && !zos
 // +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows,!zos
 
 package socket
@@ -14,6 +15,9 @@ const (
 	sysAF_INET6  = 0xa
 
 	sysSOCK_RAW = 0x3
+
+	sizeofSockaddrInet4 = 0x10
+	sizeofSockaddrInet6 = 0x1c
 )
 
 func marshalInetAddr(ip net.IP, port int, zone string) []byte {
diff --git a/vendor/golang.org/x/net/internal/socket/sys_unix.go b/vendor/golang.org/x/net/internal/socket/sys_unix.go
index 0eb7128..d203e29 100644
--- a/vendor/golang.org/x/net/internal/socket/sys_unix.go
+++ b/vendor/golang.org/x/net/internal/socket/sys_unix.go
@@ -2,7 +2,8 @@
 // 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
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
 
 package socket
 
@@ -11,23 +12,32 @@ import (
 	"unsafe"
 )
 
+//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
+
+//go:linkname syscall_recvmsg syscall.recvmsg
+func syscall_recvmsg(s int, msg *syscall.Msghdr, flags int) (int, error)
+
+//go:linkname syscall_sendmsg syscall.sendmsg
+func syscall_sendmsg(s int, msg *syscall.Msghdr, flags int) (int, 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)
+	return syscall_recvmsg(int(s), (*syscall.Msghdr)(unsafe.Pointer(h)), flags)
 }
 
 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)
+	return syscall_sendmsg(int(s), (*syscall.Msghdr)(unsafe.Pointer(h)), flags)
 }
diff --git a/vendor/golang.org/x/net/internal/socket/sys_windows.go b/vendor/golang.org/x/net/internal/socket/sys_windows.go
index d556a44..2de0d68 100644
--- a/vendor/golang.org/x/net/internal/socket/sys_windows.go
+++ b/vendor/golang.org/x/net/internal/socket/sys_windows.go
@@ -22,25 +22,8 @@ const (
 	sysAF_INET6  = windows.AF_INET6
 
 	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
 )
 
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_aix_ppc64.go b/vendor/golang.org/x/net/internal/socket/zsys_aix_ppc64.go
index 93d923a..00691bd 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_aix_ppc64.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_aix_ppc64.go
@@ -2,6 +2,7 @@
 // cgo -godefs defs_aix.go
 
 // Added for go1.11 compatibility
+//go:build aix
 // +build aix
 
 package socket
@@ -33,27 +34,7 @@ type cmsghdr struct {
 	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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_darwin_386.go b/vendor/golang.org/x/net/internal/socket/zsys_darwin_386.go
index 150f980..5acf6db 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_darwin_386.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_darwin_386.go
@@ -24,27 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_darwin_amd64.go b/vendor/golang.org/x/net/internal/socket/zsys_darwin_amd64.go
index a686c95..98dcfe4 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_darwin_amd64.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_darwin_amd64.go
@@ -26,27 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_darwin_arm.go b/vendor/golang.org/x/net/internal/socket/zsys_darwin_arm.go
index 150f980..5acf6db 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_darwin_arm.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_darwin_arm.go
@@ -24,27 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_darwin_arm64.go b/vendor/golang.org/x/net/internal/socket/zsys_darwin_arm64.go
index a686c95..98dcfe4 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_darwin_arm64.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_darwin_arm64.go
@@ -26,27 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_dragonfly_amd64.go b/vendor/golang.org/x/net/internal/socket/zsys_dragonfly_amd64.go
index d45c197..636d129 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_dragonfly_amd64.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_dragonfly_amd64.go
@@ -26,27 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_freebsd_386.go b/vendor/golang.org/x/net/internal/socket/zsys_freebsd_386.go
index ffec860..87707fe 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_freebsd_386.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_freebsd_386.go
@@ -24,27 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_freebsd_amd64.go b/vendor/golang.org/x/net/internal/socket/zsys_freebsd_amd64.go
index aa701ab..7db7781 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_freebsd_amd64.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_freebsd_amd64.go
@@ -26,27 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_freebsd_arm.go b/vendor/golang.org/x/net/internal/socket/zsys_freebsd_arm.go
index ffec860..87707fe 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_freebsd_arm.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_freebsd_arm.go
@@ -24,27 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_freebsd_arm64.go b/vendor/golang.org/x/net/internal/socket/zsys_freebsd_arm64.go
index aa701ab..7db7781 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_freebsd_arm64.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_freebsd_arm64.go
@@ -26,27 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_386.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_386.go
index 0c847be..4c19269 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_linux_386.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_386.go
@@ -29,25 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_amd64.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_amd64.go
index 15e2aec..3dcd5c8 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_linux_amd64.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_amd64.go
@@ -32,25 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_arm.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_arm.go
index 0c847be..4c19269 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_linux_arm.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_arm.go
@@ -29,25 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_arm64.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_arm64.go
index 15e2aec..3dcd5c8 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_linux_arm64.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_arm64.go
@@ -32,25 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_mips.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_mips.go
index 0c847be..4c19269 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_linux_mips.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_mips.go
@@ -29,25 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_mips64.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_mips64.go
index 15e2aec..3dcd5c8 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_linux_mips64.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_mips64.go
@@ -32,25 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_mips64le.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_mips64le.go
index 15e2aec..3dcd5c8 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_linux_mips64le.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_mips64le.go
@@ -32,25 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_mipsle.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_mipsle.go
index 0c847be..4c19269 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_linux_mipsle.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_mipsle.go
@@ -29,25 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_ppc.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_ppc.go
new file mode 100644
index 0000000..59b71da
--- /dev/null
+++ b/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
+)
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_ppc64.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_ppc64.go
index 15e2aec..3dcd5c8 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_linux_ppc64.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_ppc64.go
@@ -32,25 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_ppc64le.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_ppc64le.go
index 15e2aec..3dcd5c8 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_linux_ppc64le.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_ppc64le.go
@@ -32,25 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_riscv64.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_riscv64.go
index 8640c03..c066272 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_linux_riscv64.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_riscv64.go
@@ -1,6 +1,7 @@
 // Code generated by cmd/cgo -godefs; DO NOT EDIT.
 // cgo -godefs defs_linux.go
 
+//go:build riscv64
 // +build riscv64
 
 package socket
@@ -33,25 +34,7 @@ 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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_s390x.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_s390x.go
index 15e2aec..3dcd5c8 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_linux_s390x.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_s390x.go
@@ -32,25 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_netbsd_386.go b/vendor/golang.org/x/net/internal/socket/zsys_netbsd_386.go
index 6b72d24..f95572d 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_netbsd_386.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_netbsd_386.go
@@ -29,27 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_netbsd_amd64.go b/vendor/golang.org/x/net/internal/socket/zsys_netbsd_amd64.go
index 9aaa4ab..a92fd60 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_netbsd_amd64.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_netbsd_amd64.go
@@ -32,27 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_netbsd_arm.go b/vendor/golang.org/x/net/internal/socket/zsys_netbsd_arm.go
index 6b72d24..f95572d 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_netbsd_arm.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_netbsd_arm.go
@@ -29,27 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_netbsd_arm64.go b/vendor/golang.org/x/net/internal/socket/zsys_netbsd_arm64.go
index 9aaa4ab..a92fd60 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_netbsd_arm64.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_netbsd_arm64.go
@@ -32,27 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_openbsd_386.go b/vendor/golang.org/x/net/internal/socket/zsys_openbsd_386.go
index 3ec8d42..e792ec2 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_openbsd_386.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_openbsd_386.go
@@ -24,27 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_openbsd_amd64.go b/vendor/golang.org/x/net/internal/socket/zsys_openbsd_amd64.go
index ea0ee00..b68ff2d 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_openbsd_amd64.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_openbsd_amd64.go
@@ -26,27 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_openbsd_arm.go b/vendor/golang.org/x/net/internal/socket/zsys_openbsd_arm.go
index 3ec8d42..e792ec2 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_openbsd_arm.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_openbsd_arm.go
@@ -24,27 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_openbsd_arm64.go b/vendor/golang.org/x/net/internal/socket/zsys_openbsd_arm64.go
index ea0ee00..b68ff2d 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_openbsd_arm64.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_openbsd_arm64.go
@@ -26,27 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_openbsd_mips64.go b/vendor/golang.org/x/net/internal/socket/zsys_openbsd_mips64.go
index 0112832..3c9576e 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_openbsd_mips64.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_openbsd_mips64.go
@@ -24,27 +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  = 0x10
 	sizeofMsghdr = 0x30
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x1c
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_solaris_amd64.go b/vendor/golang.org/x/net/internal/socket/zsys_solaris_amd64.go
index 48b2b59..359cfec 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_solaris_amd64.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_solaris_amd64.go
@@ -26,26 +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
-
-	sizeofSockaddrInet  = 0x10
-	sizeofSockaddrInet6 = 0x20
 )
diff --git a/vendor/golang.org/x/net/internal/socket/zsys_zos_s390x.go b/vendor/golang.org/x/net/internal/socket/zsys_zos_s390x.go
index 514ca37..49b62c8 100644
--- a/vendor/golang.org/x/net/internal/socket/zsys_zos_s390x.go
+++ b/vendor/golang.org/x/net/internal/socket/zsys_zos_s390x.go
@@ -25,8 +25,4 @@ type cmsghdr struct {
 	Type  int32
 }
 
-const (
-	sizeofCmsghdr       = 12
-	sizeofSockaddrInet  = 16
-	sizeofSockaddrInet6 = 28
-)
+const sizeofCmsghdr = 12