Update github.com/vishvananda/netlink to v1.1.0

Latest version allows to set a VRF device as master and not only
a bridge one.

Signed-off-by: Federico Paolinelli <fpaoline@redhat.com>

go.mod

@@ -23,11 +23,11 @@ require (
 	github.com/safchain/ethtool v0.0.0-20190326074333-42ed695e3de8
 	github.com/sirupsen/logrus v1.0.6 // indirect
 	github.com/stretchr/testify v1.3.0 // indirect
-	github.com/vishvananda/netlink v0.0.0-20181108222139-023a6dafdcdf
+	github.com/vishvananda/netlink v1.1.0
-	github.com/vishvananda/netns v0.0.0-20180720170159-13995c7128cc // indirect
+	github.com/vishvananda/netns v0.0.0-20200728191858-db3c7e526aae // indirect
 	golang.org/x/crypto v0.0.0-20181009213950-7c1a557ab941 // indirect
 	golang.org/x/net v0.0.0-20181011144130-49bb7cea24b1 // indirect
-	golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f
+	golang.org/x/sys v0.0.0-20200831180312-196b9ba8737a
 	gopkg.in/airbrake/gobrake.v2 v2.0.9 // indirect
 	gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2 // indirect
 )

go.sum

@@ -45,14 +45,24 @@ github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/vishvananda/netlink v0.0.0-20181108222139-023a6dafdcdf h1:3J37+NPjNyGW/dbfXtj3yWuF9OEepIdGOXRaJGbORV8=
 github.com/vishvananda/netlink v0.0.0-20181108222139-023a6dafdcdf/go.mod h1:+SR5DhBJrl6ZM7CoCKvpw5BKroDKQ+PJqOg65H/2ktk=
+github.com/vishvananda/netlink v1.1.0 h1:1iyaYNBLmP6L0220aDnYQpo1QEV4t4hJ+xEEhhJH8j0=
+github.com/vishvananda/netlink v1.1.0/go.mod h1:cTgwzPIzzgDAYoQrMm0EdrjRUBkTqKYppBueQtXaqoE=
 github.com/vishvananda/netns v0.0.0-20180720170159-13995c7128cc h1:R83G5ikgLMxrBvLh22JhdfI8K6YXEPHx5P03Uu3DRs4=
 github.com/vishvananda/netns v0.0.0-20180720170159-13995c7128cc/go.mod h1:ZjcWmFBXmLKZu9Nxj3WKYEafiSqer2rnvPr0en9UNpI=
+github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df h1:OviZH7qLw/7ZovXvuNyL3XQl8UFofeikI1NW1Gypu7k=
+github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df/go.mod h1:JP3t17pCcGlemwknint6hfoeCVQrEMVwxRLRjXpq+BU=
+github.com/vishvananda/netns v0.0.0-20200728191858-db3c7e526aae h1:4hwBBUfQCFe3Cym0ZtKyq7L16eZUtYKs+BaHDN6mAns=
+github.com/vishvananda/netns v0.0.0-20200728191858-db3c7e526aae/go.mod h1:DD4vA1DwXk04H54A1oHXtwZmA0grkVMdPxx/VGLCah0=
 golang.org/x/crypto v0.0.0-20181009213950-7c1a557ab941 h1:qBTHLajHecfu+xzRI9PqVDcqx7SdHj9d4B+EzSn3tAc=
 golang.org/x/crypto v0.0.0-20181009213950-7c1a557ab941/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/net v0.0.0-20181011144130-49bb7cea24b1 h1:Y/KGZSOdz/2r0WJ9Mkmz6NJBusp0kiNx1Cn82lzJQ6w=
 golang.org/x/net v0.0.0-20181011144130-49bb7cea24b1/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/sys v0.0.0-20190606203320-7fc4e5ec1444/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f h1:25KHgbfyiSm6vwQLbM3zZIe1v9p/3ea4Rz+nnM5K/i4=
 golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200217220822-9197077df867/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200831180312-196b9ba8737a h1:i47hUS795cOydZI4AwJQCKXOr4BvxzvikwDoDtHhP2Y=
+golang.org/x/sys v0.0.0-20200831180312-196b9ba8737a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 gopkg.in/airbrake/gobrake.v2 v2.0.9 h1:7z2uVWwn7oVeeugY1DtlPAy5H+KYgB1KeKTnqjNatLo=
 gopkg.in/airbrake/gobrake.v2 v2.0.9/go.mod h1:/h5ZAUhDkGaJfjzjKLSjv6zCL6O0LLBxU4K+aSYdM/U=
 gopkg.in/gemnasium/logrus-airbrake-hook.v2 v2.1.2 h1:OAj3g0cR6Dx/R07QgQe8wkA9RNjB2u4i700xBkIT4e0=

vendor/github.com/containernetworking/cni/pkg/skel/skel.go

@@ -200,7 +200,6 @@ func (t *dispatcher) pluginMain(cmdAdd, cmdCheck, cmdDel func(_ *CmdArgs) error,
 		}
 		return err
 	}
-
 	if cmd != "VERSION" {
 		if err = validateConfig(cmdArgs.StdinData); err != nil {
 			return err

vendor/github.com/vishvananda/netlink/.gitignore

@@ -0,0 +1 @@
+.idea/

vendor/github.com/vishvananda/netlink/.travis.yml

@@ -2,6 +2,7 @@ language: go
 go:
   - "1.10.x"
   - "1.11.x"
+  - "1.12.x"
 before_script:
   # make sure we keep path in tact when we sudo
   - sudo sed -i -e 's/^Defaults\tsecure_path.*$//' /etc/sudoers
@@ -15,3 +16,4 @@ before_script:
   - sudo modprobe sch_hfsc
 install:
   - go get github.com/vishvananda/netns
+go_import_path: github.com/vishvananda/netlink

vendor/github.com/vishvananda/netlink/addr_linux.go

@@ -15,39 +15,62 @@ import (
 const IFA_FLAGS = 0x8
 
 // AddrAdd will add an IP address to a link device.
+//
 // Equivalent to: `ip addr add $addr dev $link`
+//
+// If `addr` is an IPv4 address and the broadcast address is not given, it
+// will be automatically computed based on the IP mask if /30 or larger.
 func AddrAdd(link Link, addr *Addr) error {
 	return pkgHandle.AddrAdd(link, addr)
 }
 
 // AddrAdd will add an IP address to a link device.
+//
 // Equivalent to: `ip addr add $addr dev $link`
+//
+// If `addr` is an IPv4 address and the broadcast address is not given, it
+// will be automatically computed based on the IP mask if /30 or larger.
 func (h *Handle) AddrAdd(link Link, addr *Addr) error {
 	req := h.newNetlinkRequest(unix.RTM_NEWADDR, unix.NLM_F_CREATE|unix.NLM_F_EXCL|unix.NLM_F_ACK)
 	return h.addrHandle(link, addr, req)
 }
 
 // AddrReplace will replace (or, if not present, add) an IP address on a link device.
+//
 // Equivalent to: `ip addr replace $addr dev $link`
+//
+// If `addr` is an IPv4 address and the broadcast address is not given, it
+// will be automatically computed based on the IP mask if /30 or larger.
 func AddrReplace(link Link, addr *Addr) error {
 	return pkgHandle.AddrReplace(link, addr)
 }
 
 // AddrReplace will replace (or, if not present, add) an IP address on a link device.
+//
 // Equivalent to: `ip addr replace $addr dev $link`
+//
+// If `addr` is an IPv4 address and the broadcast address is not given, it
+// will be automatically computed based on the IP mask if /30 or larger.
 func (h *Handle) AddrReplace(link Link, addr *Addr) error {
 	req := h.newNetlinkRequest(unix.RTM_NEWADDR, unix.NLM_F_CREATE|unix.NLM_F_REPLACE|unix.NLM_F_ACK)
 	return h.addrHandle(link, addr, req)
 }
 
 // AddrDel will delete an IP address from a link device.
+//
 // Equivalent to: `ip addr del $addr dev $link`
+//
+// If `addr` is an IPv4 address and the broadcast address is not given, it
+// will be automatically computed based on the IP mask if /30 or larger.
 func AddrDel(link Link, addr *Addr) error {
 	return pkgHandle.AddrDel(link, addr)
 }
 
 // AddrDel will delete an IP address from a link device.
 // Equivalent to: `ip addr del $addr dev $link`
+//
+// If `addr` is an IPv4 address and the broadcast address is not given, it
+// will be automatically computed based on the IP mask if /30 or larger.
 func (h *Handle) AddrDel(link Link, addr *Addr) error {
 	req := h.newNetlinkRequest(unix.RTM_DELADDR, unix.NLM_F_ACK)
 	return h.addrHandle(link, addr, req)
@@ -108,14 +131,20 @@ func (h *Handle) addrHandle(link Link, addr *Addr, req *nl.NetlinkRequest) error
 	}
 
 	if family == FAMILY_V4 {
-		if addr.Broadcast == nil {
+		// Automatically set the broadcast address if it is unset and the
+		// subnet is large enough to sensibly have one (/30 or larger).
+		// See: RFC 3021
+		if addr.Broadcast == nil && prefixlen < 31 {
 			calcBroadcast := make(net.IP, masklen/8)
 			for i := range localAddrData {
 				calcBroadcast[i] = localAddrData[i] | ^mask[i]
 			}
 			addr.Broadcast = calcBroadcast
 		}
+
+		if addr.Broadcast != nil {
 			req.AddData(nl.NewRtAttr(unix.IFA_BROADCAST, addr.Broadcast))
+		}
 
 		if addr.Label != "" {
 			labelData := nl.NewRtAttr(unix.IFA_LABEL, nl.ZeroTerminated(addr.Label))
@@ -270,13 +299,13 @@ type AddrUpdate struct {
 // AddrSubscribe takes a chan down which notifications will be sent
 // when addresses change.  Close the 'done' chan to stop subscription.
 func AddrSubscribe(ch chan<- AddrUpdate, done <-chan struct{}) error {
-	return addrSubscribeAt(netns.None(), netns.None(), ch, done, nil, false)
+	return addrSubscribeAt(netns.None(), netns.None(), ch, done, nil, false, 0)
 }
 
 // AddrSubscribeAt works like AddrSubscribe plus it allows the caller
 // to choose the network namespace in which to subscribe (ns).
 func AddrSubscribeAt(ns netns.NsHandle, ch chan<- AddrUpdate, done <-chan struct{}) error {
-	return addrSubscribeAt(ns, netns.None(), ch, done, nil, false)
+	return addrSubscribeAt(ns, netns.None(), ch, done, nil, false, 0)
 }
 
 // AddrSubscribeOptions contains a set of options to use with
@@ -285,6 +314,7 @@ type AddrSubscribeOptions struct {
 	Namespace         *netns.NsHandle
 	ErrorCallback     func(error)
 	ListExisting      bool
+	ReceiveBufferSize int
 }
 
 // AddrSubscribeWithOptions work like AddrSubscribe but enable to
@@ -295,10 +325,10 @@ func AddrSubscribeWithOptions(ch chan<- AddrUpdate, done <-chan struct{}, option
 		none := netns.None()
 		options.Namespace = &none
 	}
-	return addrSubscribeAt(*options.Namespace, netns.None(), ch, done, options.ErrorCallback, options.ListExisting)
+	return addrSubscribeAt(*options.Namespace, netns.None(), ch, done, options.ErrorCallback, options.ListExisting, options.ReceiveBufferSize)
 }
 
-func addrSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- AddrUpdate, done <-chan struct{}, cberr func(error), listExisting bool) error {
+func addrSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- AddrUpdate, done <-chan struct{}, cberr func(error), listExisting bool, rcvbuf int) error {
 	s, err := nl.SubscribeAt(newNs, curNs, unix.NETLINK_ROUTE, unix.RTNLGRP_IPV4_IFADDR, unix.RTNLGRP_IPV6_IFADDR)
 	if err != nil {
 		return err
@@ -309,6 +339,12 @@ func addrSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- AddrUpdate, done <-c
 			s.Close()
 		}()
 	}
+	if rcvbuf != 0 {
+		err = pkgHandle.SetSocketReceiveBufferSize(rcvbuf, false)
+		if err != nil {
+			return err
+		}
+	}
 	if listExisting {
 		req := pkgHandle.newNetlinkRequest(unix.RTM_GETADDR,
 			unix.NLM_F_DUMP)
@@ -321,13 +357,19 @@ func addrSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- AddrUpdate, done <-c
 	go func() {
 		defer close(ch)
 		for {
-			msgs, err := s.Receive()
+			msgs, from, err := s.Receive()
 			if err != nil {
 				if cberr != nil {
 					cberr(err)
 				}
 				return
 			}
+			if from.Pid != nl.PidKernel {
+				if cberr != nil {
+					cberr(fmt.Errorf("Wrong sender portid %d, expected %d", from.Pid, nl.PidKernel))
+				}
+				continue
+			}
 			for _, m := range msgs {
 				if m.Header.Type == unix.NLMSG_DONE {
 					continue
@@ -339,16 +381,17 @@ func addrSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- AddrUpdate, done <-c
 						continue
 					}
 					if cberr != nil {
-						cberr(syscall.Errno(-error))
+						cberr(fmt.Errorf("error message: %v",
+							syscall.Errno(-error)))
 					}
-					return
+					continue
 				}
 				msgType := m.Header.Type
 				if msgType != unix.RTM_NEWADDR && msgType != unix.RTM_DELADDR {
 					if cberr != nil {
 						cberr(fmt.Errorf("bad message type: %d", msgType))
 					}
-					return
+					continue
 				}
 
 				addr, _, ifindex, err := parseAddr(m.Data)
@@ -356,7 +399,7 @@ func addrSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- AddrUpdate, done <-c
 					if cberr != nil {
 						cberr(fmt.Errorf("could not parse address: %v", err))
 					}
-					return
+					continue
 				}
 
 				ch <- AddrUpdate{LinkAddress: *addr.IPNet,

vendor/github.com/vishvananda/netlink/bridge_linux.go

@@ -108,8 +108,5 @@ func (h *Handle) bridgeVlanModify(cmd int, link Link, vid uint16, pvid, untagged
 	br.AddRtAttr(nl.IFLA_BRIDGE_VLAN_INFO, vlanInfo.Serialize())
 	req.AddData(br)
 	_, err := req.Execute(unix.NETLINK_ROUTE, 0)
-	if err != nil {
 	return err
 }
-	return nil
-}

vendor/github.com/vishvananda/netlink/class.go

@@ -41,7 +41,7 @@ type GnetStatsQueue struct {
 	Overlimits uint32 // number of enqueues over the limit
 }
 
-// ClassStatistics representaion based on generic networking statisticsfor netlink.
+// ClassStatistics representation based on generic networking statistics for netlink.
 // See Documentation/networking/gen_stats.txt in Linux source code for more details.
 type ClassStatistics struct {
 	Basic   *GnetStatsBasic
@@ -127,7 +127,7 @@ func (class *GenericClass) Attrs() *ClassAttrs {
 	return &class.ClassAttrs
 }
 
-// Type retrun the class type
+// Type return the class type
 func (class *GenericClass) Type() string {
 	return class.ClassType
 }
@@ -178,7 +178,7 @@ func (hfsc *HfscClass) SetUL(m1 uint32, d uint32, m2 uint32) {
 	hfsc.Usc = ServiceCurve{m1: m1 / 8, d: d, m2: m2 / 8}
 }
 
-// SetLS implemtens the LS from the tc CLI
+// SetLS implements the LS from the tc CLI
 func (hfsc *HfscClass) SetLS(m1 uint32, d uint32, m2 uint32) {
 	hfsc.Fsc = ServiceCurve{m1: m1 / 8, d: d, m2: m2 / 8}
 }

vendor/github.com/vishvananda/netlink/conntrack_linux.go

@@ -22,11 +22,7 @@ const (
 	// https://github.com/torvalds/linux/blob/master/include/uapi/linux/netfilter/nfnetlink.h -> #define NFNL_SUBSYS_CTNETLINK_EXP 2
 	ConntrackExpectTable = 2
 )
-const (
+
-	// For Parsing Mark
-	TCP_PROTO = 6
-	UDP_PROTO = 17
-)
 const (
 	// backward compatibility with golang 1.6 which does not have io.SeekCurrent
 	seekCurrent = 1
@@ -223,6 +219,10 @@ func parseBERaw16(r *bytes.Reader, v *uint16) {
 	binary.Read(r, binary.BigEndian, v)
 }
 
+func parseBERaw32(r *bytes.Reader, v *uint32) {
+	binary.Read(r, binary.BigEndian, v)
+}
+
 func parseBERaw64(r *bytes.Reader, v *uint64) {
 	binary.Read(r, binary.BigEndian, v)
 }
@@ -241,9 +241,13 @@ func parseByteAndPacketCounters(r *bytes.Reader) (bytes, packets uint64) {
 	return
 }
 
+func parseConnectionMark(r *bytes.Reader) (mark uint32) {
+	parseBERaw32(r, &mark)
+	return
+}
+
 func parseRawData(data []byte) *ConntrackFlow {
 	s := &ConntrackFlow{}
-	var proto uint8
 	// First there is the Nfgenmsg header
 	// consume only the family field
 	reader := bytes.NewReader(data)
@@ -263,7 +267,7 @@ func parseRawData(data []byte) *ConntrackFlow {
 			switch t {
 			case nl.CTA_TUPLE_ORIG:
 				if nested, t, _ = parseNfAttrTL(reader); nested && t == nl.CTA_TUPLE_IP {
-					proto = parseIpTuple(reader, &s.Forward)
+					parseIpTuple(reader, &s.Forward)
 				}
 			case nl.CTA_TUPLE_REPLY:
 				if nested, t, _ = parseNfAttrTL(reader); nested && t == nl.CTA_TUPLE_IP {
@@ -277,20 +281,12 @@ func parseRawData(data []byte) *ConntrackFlow {
 			case nl.CTA_COUNTERS_REPLY:
 				s.Reverse.Bytes, s.Reverse.Packets = parseByteAndPacketCounters(reader)
 			}
+		} else {
+			switch t {
+			case nl.CTA_MARK:
+				s.Mark = parseConnectionMark(reader)
 			}
 		}
-	if proto == TCP_PROTO {
-		reader.Seek(64, seekCurrent)
-		_, t, _, v := parseNfAttrTLV(reader)
-		if t == nl.CTA_MARK {
-			s.Mark = uint32(v[3])
-		}
-	} else if proto == UDP_PROTO {
-		reader.Seek(16, seekCurrent)
-		_, t, _, v := parseNfAttrTLV(reader)
-		if t == nl.CTA_MARK {
-			s.Mark = uint32(v[3])
-		}
 	}
 	return s
 }

vendor/github.com/vishvananda/netlink/devlink_linux.go

@@ -0,0 +1,272 @@
+package netlink
+
+import (
+	"syscall"
+
+	"fmt"
+	"github.com/vishvananda/netlink/nl"
+	"golang.org/x/sys/unix"
+)
+
+// DevlinkDevEswitchAttr represents device's eswitch attributes
+type DevlinkDevEswitchAttr struct {
+	Mode       string
+	InlineMode string
+	EncapMode  string
+}
+
+// DevlinkDevAttrs represents device attributes
+type DevlinkDevAttrs struct {
+	Eswitch DevlinkDevEswitchAttr
+}
+
+// DevlinkDevice represents device and its attributes
+type DevlinkDevice struct {
+	BusName    string
+	DeviceName string
+	Attrs      DevlinkDevAttrs
+}
+
+func parseDevLinkDeviceList(msgs [][]byte) ([]*DevlinkDevice, error) {
+	devices := make([]*DevlinkDevice, 0, len(msgs))
+	for _, m := range msgs {
+		attrs, err := nl.ParseRouteAttr(m[nl.SizeofGenlmsg:])
+		if err != nil {
+			return nil, err
+		}
+		dev := &DevlinkDevice{}
+		if err = dev.parseAttributes(attrs); err != nil {
+			return nil, err
+		}
+		devices = append(devices, dev)
+	}
+	return devices, nil
+}
+
+func eswitchStringToMode(modeName string) (uint16, error) {
+	if modeName == "legacy" {
+		return nl.DEVLINK_ESWITCH_MODE_LEGACY, nil
+	} else if modeName == "switchdev" {
+		return nl.DEVLINK_ESWITCH_MODE_SWITCHDEV, nil
+	} else {
+		return 0xffff, fmt.Errorf("invalid switchdev mode")
+	}
+}
+
+func parseEswitchMode(mode uint16) string {
+	var eswitchMode = map[uint16]string{
+		nl.DEVLINK_ESWITCH_MODE_LEGACY:    "legacy",
+		nl.DEVLINK_ESWITCH_MODE_SWITCHDEV: "switchdev",
+	}
+	if eswitchMode[mode] == "" {
+		return "unknown"
+	} else {
+		return eswitchMode[mode]
+	}
+}
+
+func parseEswitchInlineMode(inlinemode uint8) string {
+	var eswitchInlineMode = map[uint8]string{
+		nl.DEVLINK_ESWITCH_INLINE_MODE_NONE:      "none",
+		nl.DEVLINK_ESWITCH_INLINE_MODE_LINK:      "link",
+		nl.DEVLINK_ESWITCH_INLINE_MODE_NETWORK:   "network",
+		nl.DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT: "transport",
+	}
+	if eswitchInlineMode[inlinemode] == "" {
+		return "unknown"
+	} else {
+		return eswitchInlineMode[inlinemode]
+	}
+}
+
+func parseEswitchEncapMode(encapmode uint8) string {
+	var eswitchEncapMode = map[uint8]string{
+		nl.DEVLINK_ESWITCH_ENCAP_MODE_NONE:  "disable",
+		nl.DEVLINK_ESWITCH_ENCAP_MODE_BASIC: "enable",
+	}
+	if eswitchEncapMode[encapmode] == "" {
+		return "unknown"
+	} else {
+		return eswitchEncapMode[encapmode]
+	}
+}
+
+func (d *DevlinkDevice) parseAttributes(attrs []syscall.NetlinkRouteAttr) error {
+	for _, a := range attrs {
+		switch a.Attr.Type {
+		case nl.DEVLINK_ATTR_BUS_NAME:
+			d.BusName = string(a.Value)
+		case nl.DEVLINK_ATTR_DEV_NAME:
+			d.DeviceName = string(a.Value)
+		case nl.DEVLINK_ATTR_ESWITCH_MODE:
+			d.Attrs.Eswitch.Mode = parseEswitchMode(native.Uint16(a.Value))
+		case nl.DEVLINK_ATTR_ESWITCH_INLINE_MODE:
+			d.Attrs.Eswitch.InlineMode = parseEswitchInlineMode(uint8(a.Value[0]))
+		case nl.DEVLINK_ATTR_ESWITCH_ENCAP_MODE:
+			d.Attrs.Eswitch.EncapMode = parseEswitchEncapMode(uint8(a.Value[0]))
+		}
+	}
+	return nil
+}
+
+func (dev *DevlinkDevice) parseEswitchAttrs(msgs [][]byte) {
+	m := msgs[0]
+	attrs, err := nl.ParseRouteAttr(m[nl.SizeofGenlmsg:])
+	if err != nil {
+		return
+	}
+	dev.parseAttributes(attrs)
+}
+
+func (h *Handle) getEswitchAttrs(family *GenlFamily, dev *DevlinkDevice) {
+	msg := &nl.Genlmsg{
+		Command: nl.DEVLINK_CMD_ESWITCH_GET,
+		Version: nl.GENL_DEVLINK_VERSION,
+	}
+	req := h.newNetlinkRequest(int(family.ID), unix.NLM_F_REQUEST|unix.NLM_F_ACK)
+	req.AddData(msg)
+
+	b := make([]byte, len(dev.BusName))
+	copy(b, dev.BusName)
+	data := nl.NewRtAttr(nl.DEVLINK_ATTR_BUS_NAME, b)
+	req.AddData(data)
+
+	b = make([]byte, len(dev.DeviceName))
+	copy(b, dev.DeviceName)
+	data = nl.NewRtAttr(nl.DEVLINK_ATTR_DEV_NAME, b)
+	req.AddData(data)
+
+	msgs, err := req.Execute(unix.NETLINK_GENERIC, 0)
+	if err != nil {
+		return
+	}
+	dev.parseEswitchAttrs(msgs)
+}
+
+// DevLinkGetDeviceList provides a pointer to devlink devices and nil error,
+// otherwise returns an error code.
+func (h *Handle) DevLinkGetDeviceList() ([]*DevlinkDevice, error) {
+	f, err := h.GenlFamilyGet(nl.GENL_DEVLINK_NAME)
+	if err != nil {
+		return nil, err
+	}
+	msg := &nl.Genlmsg{
+		Command: nl.DEVLINK_CMD_GET,
+		Version: nl.GENL_DEVLINK_VERSION,
+	}
+	req := h.newNetlinkRequest(int(f.ID),
+		unix.NLM_F_REQUEST|unix.NLM_F_ACK|unix.NLM_F_DUMP)
+	req.AddData(msg)
+	msgs, err := req.Execute(unix.NETLINK_GENERIC, 0)
+	if err != nil {
+		return nil, err
+	}
+	devices, err := parseDevLinkDeviceList(msgs)
+	if err != nil {
+		return nil, err
+	}
+	for _, d := range devices {
+		h.getEswitchAttrs(f, d)
+	}
+	return devices, nil
+}
+
+// DevLinkGetDeviceList provides a pointer to devlink devices and nil error,
+// otherwise returns an error code.
+func DevLinkGetDeviceList() ([]*DevlinkDevice, error) {
+	return pkgHandle.DevLinkGetDeviceList()
+}
+
+func parseDevlinkDevice(msgs [][]byte) (*DevlinkDevice, error) {
+	m := msgs[0]
+	attrs, err := nl.ParseRouteAttr(m[nl.SizeofGenlmsg:])
+	if err != nil {
+		return nil, err
+	}
+	dev := &DevlinkDevice{}
+	if err = dev.parseAttributes(attrs); err != nil {
+		return nil, err
+	}
+	return dev, nil
+}
+
+func (h *Handle) createCmdReq(cmd uint8, bus string, device string) (*GenlFamily, *nl.NetlinkRequest, error) {
+	f, err := h.GenlFamilyGet(nl.GENL_DEVLINK_NAME)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	msg := &nl.Genlmsg{
+		Command: cmd,
+		Version: nl.GENL_DEVLINK_VERSION,
+	}
+	req := h.newNetlinkRequest(int(f.ID),
+		unix.NLM_F_REQUEST|unix.NLM_F_ACK)
+	req.AddData(msg)
+
+	b := make([]byte, len(bus)+1)
+	copy(b, bus)
+	data := nl.NewRtAttr(nl.DEVLINK_ATTR_BUS_NAME, b)
+	req.AddData(data)
+
+	b = make([]byte, len(device)+1)
+	copy(b, device)
+	data = nl.NewRtAttr(nl.DEVLINK_ATTR_DEV_NAME, b)
+	req.AddData(data)
+
+	return f, req, nil
+}
+
+// DevlinkGetDeviceByName provides a pointer to devlink device and nil error,
+// otherwise returns an error code.
+func (h *Handle) DevLinkGetDeviceByName(Bus string, Device string) (*DevlinkDevice, error) {
+	f, req, err := h.createCmdReq(nl.DEVLINK_CMD_GET, Bus, Device)
+	if err != nil {
+		return nil, err
+	}
+
+	respmsg, err := req.Execute(unix.NETLINK_GENERIC, 0)
+	if err != nil {
+		return nil, err
+	}
+	dev, err := parseDevlinkDevice(respmsg)
+	if err == nil {
+		h.getEswitchAttrs(f, dev)
+	}
+	return dev, err
+}
+
+// DevlinkGetDeviceByName provides a pointer to devlink device and nil error,
+// otherwise returns an error code.
+func DevLinkGetDeviceByName(Bus string, Device string) (*DevlinkDevice, error) {
+	return pkgHandle.DevLinkGetDeviceByName(Bus, Device)
+}
+
+// DevLinkSetEswitchMode sets eswitch mode if able to set successfully or
+// returns an error code.
+// Equivalent to: `devlink dev eswitch set $dev mode switchdev`
+// Equivalent to: `devlink dev eswitch set $dev mode legacy`
+func (h *Handle) DevLinkSetEswitchMode(Dev *DevlinkDevice, NewMode string) error {
+	mode, err := eswitchStringToMode(NewMode)
+	if err != nil {
+		return err
+	}
+
+	_, req, err := h.createCmdReq(nl.DEVLINK_CMD_ESWITCH_SET, Dev.BusName, Dev.DeviceName)
+	if err != nil {
+		return err
+	}
+
+	req.AddData(nl.NewRtAttr(nl.DEVLINK_ATTR_ESWITCH_MODE, nl.Uint16Attr(mode)))
+
+	_, err = req.Execute(unix.NETLINK_GENERIC, 0)
+	return err
+}
+
+// DevLinkSetEswitchMode sets eswitch mode if able to set successfully or
+// returns an error code.
+// Equivalent to: `devlink dev eswitch set $dev mode switchdev`
+// Equivalent to: `devlink dev eswitch set $dev mode legacy`
+func DevLinkSetEswitchMode(Dev *DevlinkDevice, NewMode string) error {
+	return pkgHandle.DevLinkSetEswitchMode(Dev, NewMode)
+}

vendor/github.com/vishvananda/netlink/filter.go

@@ -2,6 +2,7 @@ package netlink
 
 import (
 	"fmt"
+	"net"
 )
 
 type Filter interface {
@@ -135,6 +136,27 @@ func (action *BpfAction) Attrs() *ActionAttrs {
 	return &action.ActionAttrs
 }
 
+type ConnmarkAction struct {
+	ActionAttrs
+	Zone uint16
+}
+
+func (action *ConnmarkAction) Type() string {
+	return "connmark"
+}
+
+func (action *ConnmarkAction) Attrs() *ActionAttrs {
+	return &action.ActionAttrs
+}
+
+func NewConnmarkAction() *ConnmarkAction {
+	return &ConnmarkAction{
+		ActionAttrs: ActionAttrs{
+			Action: TC_ACT_PIPE,
+		},
+	}
+}
+
 type MirredAct uint8
 
 func (a MirredAct) String() string {
@@ -182,49 +204,59 @@ func NewMirredAction(redirIndex int) *MirredAction {
 	}
 }
 
-// Sel of the U32 filters that contains multiple TcU32Key. This is the copy
+type TunnelKeyAct int8
-// and the frontend representation of nl.TcU32Sel. It is serialized into canonical
+
-// nl.TcU32Sel with the appropriate endianness.
+const (
-type TcU32Sel struct {
+	TCA_TUNNEL_KEY_SET   TunnelKeyAct = 1 // set tunnel key
-	Flags    uint8
+	TCA_TUNNEL_KEY_UNSET TunnelKeyAct = 2 // unset tunnel key
-	Offshift uint8
+)
-	Nkeys    uint8
+
-	Pad      uint8
+type TunnelKeyAction struct {
-	Offmask  uint16
+	ActionAttrs
-	Off      uint16
+	Action  TunnelKeyAct
-	Offoff   int16
+	SrcAddr net.IP
-	Hoff     int16
+	DstAddr net.IP
-	Hmask    uint32
+	KeyID   uint32
-	Keys     []TcU32Key
 }
 
-// TcU32Key contained of Sel in the U32 filters. This is the copy and the frontend
+func (action *TunnelKeyAction) Type() string {
-// representation of nl.TcU32Key. It is serialized into chanonical nl.TcU32Sel
+	return "tunnel_key"
-// with the appropriate endianness.
-type TcU32Key struct {
-	Mask    uint32
-	Val     uint32
-	Off     int32
-	OffMask int32
 }
 
-// U32 filters on many packet related properties
+func (action *TunnelKeyAction) Attrs() *ActionAttrs {
-type U32 struct {
+	return &action.ActionAttrs
-	FilterAttrs
-	ClassId    uint32
-	Divisor    uint32 // Divisor MUST be power of 2.
-	Hash       uint32
-	RedirIndex int
-	Sel        *TcU32Sel
-	Actions    []Action
 }
 
-func (filter *U32) Attrs() *FilterAttrs {
+func NewTunnelKeyAction() *TunnelKeyAction {
-	return &filter.FilterAttrs
+	return &TunnelKeyAction{
+		ActionAttrs: ActionAttrs{
+			Action: TC_ACT_PIPE,
+		},
+	}
 }
 
-func (filter *U32) Type() string {
+type SkbEditAction struct {
-	return "u32"
+	ActionAttrs
+	QueueMapping *uint16
+	PType        *uint16
+	Priority     *uint32
+	Mark         *uint32
+}
+
+func (action *SkbEditAction) Type() string {
+	return "skbedit"
+}
+
+func (action *SkbEditAction) Attrs() *ActionAttrs {
+	return &action.ActionAttrs
+}
+
+func NewSkbEditAction() *SkbEditAction {
+	return &SkbEditAction{
+		ActionAttrs: ActionAttrs{
+			Action: TC_ACT_PIPE,
+		},
+	}
 }
 
 // MatchAll filters match all packets
@@ -264,6 +296,8 @@ type BpfFilter struct {
 	Fd           int
 	Name         string
 	DirectAction bool
+	Id           int
+	Tag          string
 }
 
 func (filter *BpfFilter) Type() string {

vendor/github.com/vishvananda/netlink/filter_linux.go

@@ -3,10 +3,11 @@ package netlink
 import (
 	"bytes"
 	"encoding/binary"
+	"encoding/hex"
 	"errors"
 	"fmt"
+	"net"
 	"syscall"
-	"unsafe"
 
 	"github.com/vishvananda/netlink/nl"
 	"golang.org/x/sys/unix"
@@ -20,6 +21,35 @@ const (
 	TC_U32_EAT       = nl.TC_U32_EAT
 )
 
+// Sel of the U32 filters that contains multiple TcU32Key. This is the type
+// alias and the frontend representation of nl.TcU32Sel. It is serialized into
+// canonical nl.TcU32Sel with the appropriate endianness.
+type TcU32Sel = nl.TcU32Sel
+
+// TcU32Key contained of Sel in the U32 filters. This is the type alias and the
+// frontend representation of nl.TcU32Key. It is serialized into chanonical
+// nl.TcU32Sel with the appropriate endianness.
+type TcU32Key = nl.TcU32Key
+
+// U32 filters on many packet related properties
+type U32 struct {
+	FilterAttrs
+	ClassId    uint32
+	Divisor    uint32 // Divisor MUST be power of 2.
+	Hash       uint32
+	RedirIndex int
+	Sel        *TcU32Sel
+	Actions    []Action
+}
+
+func (filter *U32) Attrs() *FilterAttrs {
+	return &filter.FilterAttrs
+}
+
+func (filter *U32) Type() string {
+	return "u32"
+}
+
 // Fw filter filters on firewall marks
 // NOTE: this is in filter_linux because it refers to nl.TcPolice which
 //       is defined in nl/tc_linux.go
@@ -123,8 +153,24 @@ func FilterAdd(filter Filter) error {
 // FilterAdd will add a filter to the system.
 // Equivalent to: `tc filter add $filter`
 func (h *Handle) FilterAdd(filter Filter) error {
+	return h.filterModify(filter, unix.NLM_F_CREATE|unix.NLM_F_EXCL)
+}
+
+// FilterReplace will replace a filter.
+// Equivalent to: `tc filter replace $filter`
+func FilterReplace(filter Filter) error {
+	return pkgHandle.FilterReplace(filter)
+}
+
+// FilterReplace will replace a filter.
+// Equivalent to: `tc filter replace $filter`
+func (h *Handle) FilterReplace(filter Filter) error {
+	return h.filterModify(filter, unix.NLM_F_CREATE)
+}
+
+func (h *Handle) filterModify(filter Filter, flags int) error {
 	native = nl.NativeEndian()
-	req := h.newNetlinkRequest(unix.RTM_NEWTFILTER, unix.NLM_F_CREATE|unix.NLM_F_EXCL|unix.NLM_F_ACK)
+	req := h.newNetlinkRequest(unix.RTM_NEWTFILTER, flags|unix.NLM_F_ACK)
 	base := filter.Attrs()
 	msg := &nl.TcMsg{
 		Family:  nl.FAMILY_ALL,
@@ -140,8 +186,7 @@ func (h *Handle) FilterAdd(filter Filter) error {
 
 	switch filter := filter.(type) {
 	case *U32:
-		// Convert TcU32Sel into nl.TcU32Sel as it is without copy.
+		sel := filter.Sel
-		sel := (*nl.TcU32Sel)(unsafe.Pointer(filter.Sel))
 		if sel == nil {
 			// match all
 			sel = &nl.TcU32Sel{
@@ -385,6 +430,63 @@ func EncodeActions(attr *nl.RtAttr, actions []Action) error {
 			}
 			toTcGen(action.Attrs(), &mirred.TcGen)
 			aopts.AddRtAttr(nl.TCA_MIRRED_PARMS, mirred.Serialize())
+		case *TunnelKeyAction:
+			table := attr.AddRtAttr(tabIndex, nil)
+			tabIndex++
+			table.AddRtAttr(nl.TCA_ACT_KIND, nl.ZeroTerminated("tunnel_key"))
+			aopts := table.AddRtAttr(nl.TCA_ACT_OPTIONS, nil)
+			tun := nl.TcTunnelKey{
+				Action: int32(action.Action),
+			}
+			toTcGen(action.Attrs(), &tun.TcGen)
+			aopts.AddRtAttr(nl.TCA_TUNNEL_KEY_PARMS, tun.Serialize())
+			if action.Action == TCA_TUNNEL_KEY_SET {
+				aopts.AddRtAttr(nl.TCA_TUNNEL_KEY_ENC_KEY_ID, htonl(action.KeyID))
+				if v4 := action.SrcAddr.To4(); v4 != nil {
+					aopts.AddRtAttr(nl.TCA_TUNNEL_KEY_ENC_IPV4_SRC, v4[:])
+				} else if v6 := action.SrcAddr.To16(); v6 != nil {
+					aopts.AddRtAttr(nl.TCA_TUNNEL_KEY_ENC_IPV6_SRC, v6[:])
+				} else {
+					return fmt.Errorf("invalid src addr %s for tunnel_key action", action.SrcAddr)
+				}
+				if v4 := action.DstAddr.To4(); v4 != nil {
+					aopts.AddRtAttr(nl.TCA_TUNNEL_KEY_ENC_IPV4_DST, v4[:])
+				} else if v6 := action.DstAddr.To16(); v6 != nil {
+					aopts.AddRtAttr(nl.TCA_TUNNEL_KEY_ENC_IPV6_DST, v6[:])
+				} else {
+					return fmt.Errorf("invalid dst addr %s for tunnel_key action", action.DstAddr)
+				}
+			}
+		case *SkbEditAction:
+			table := attr.AddRtAttr(tabIndex, nil)
+			tabIndex++
+			table.AddRtAttr(nl.TCA_ACT_KIND, nl.ZeroTerminated("skbedit"))
+			aopts := table.AddRtAttr(nl.TCA_ACT_OPTIONS, nil)
+			skbedit := nl.TcSkbEdit{}
+			toTcGen(action.Attrs(), &skbedit.TcGen)
+			aopts.AddRtAttr(nl.TCA_SKBEDIT_PARMS, skbedit.Serialize())
+			if action.QueueMapping != nil {
+				aopts.AddRtAttr(nl.TCA_SKBEDIT_QUEUE_MAPPING, nl.Uint16Attr(*action.QueueMapping))
+			}
+			if action.Priority != nil {
+				aopts.AddRtAttr(nl.TCA_SKBEDIT_PRIORITY, nl.Uint32Attr(*action.Priority))
+			}
+			if action.PType != nil {
+				aopts.AddRtAttr(nl.TCA_SKBEDIT_PTYPE, nl.Uint16Attr(*action.PType))
+			}
+			if action.Mark != nil {
+				aopts.AddRtAttr(nl.TCA_SKBEDIT_MARK, nl.Uint32Attr(*action.Mark))
+			}
+		case *ConnmarkAction:
+			table := attr.AddRtAttr(tabIndex, nil)
+			tabIndex++
+			table.AddRtAttr(nl.TCA_ACT_KIND, nl.ZeroTerminated("connmark"))
+			aopts := table.AddRtAttr(nl.TCA_ACT_OPTIONS, nil)
+			connmark := nl.TcConnmark{
+				Zone: action.Zone,
+			}
+			toTcGen(action.Attrs(), &connmark.TcGen)
+			aopts.AddRtAttr(nl.TCA_CONNMARK_PARMS, connmark.Serialize())
 		case *BpfAction:
 			table := attr.AddRtAttr(tabIndex, nil)
 			tabIndex++
@@ -428,8 +530,14 @@ func parseActions(tables []syscall.NetlinkRouteAttr) ([]Action, error) {
 					action = &MirredAction{}
 				case "bpf":
 					action = &BpfAction{}
+				case "connmark":
+					action = &ConnmarkAction{}
 				case "gact":
 					action = &GenericAction{}
+				case "tunnel_key":
+					action = &TunnelKeyAction{}
+				case "skbedit":
+					action = &SkbEditAction{}
 				default:
 					break nextattr
 				}
@@ -444,11 +552,46 @@ func parseActions(tables []syscall.NetlinkRouteAttr) ([]Action, error) {
 						switch adatum.Attr.Type {
 						case nl.TCA_MIRRED_PARMS:
 							mirred := *nl.DeserializeTcMirred(adatum.Value)
-							toAttrs(&mirred.TcGen, action.Attrs())
 							action.(*MirredAction).ActionAttrs = ActionAttrs{}
+							toAttrs(&mirred.TcGen, action.Attrs())
 							action.(*MirredAction).Ifindex = int(mirred.Ifindex)
 							action.(*MirredAction).MirredAction = MirredAct(mirred.Eaction)
 						}
+					case "tunnel_key":
+						switch adatum.Attr.Type {
+						case nl.TCA_TUNNEL_KEY_PARMS:
+							tun := *nl.DeserializeTunnelKey(adatum.Value)
+							action.(*TunnelKeyAction).ActionAttrs = ActionAttrs{}
+							toAttrs(&tun.TcGen, action.Attrs())
+							action.(*TunnelKeyAction).Action = TunnelKeyAct(tun.Action)
+						case nl.TCA_TUNNEL_KEY_ENC_KEY_ID:
+							action.(*TunnelKeyAction).KeyID = networkOrder.Uint32(adatum.Value[0:4])
+						case nl.TCA_TUNNEL_KEY_ENC_IPV6_SRC:
+						case nl.TCA_TUNNEL_KEY_ENC_IPV4_SRC:
+							action.(*TunnelKeyAction).SrcAddr = net.IP(adatum.Value[:])
+						case nl.TCA_TUNNEL_KEY_ENC_IPV6_DST:
+						case nl.TCA_TUNNEL_KEY_ENC_IPV4_DST:
+							action.(*TunnelKeyAction).DstAddr = net.IP(adatum.Value[:])
+						}
+					case "skbedit":
+						switch adatum.Attr.Type {
+						case nl.TCA_SKBEDIT_PARMS:
+							skbedit := *nl.DeserializeSkbEdit(adatum.Value)
+							action.(*SkbEditAction).ActionAttrs = ActionAttrs{}
+							toAttrs(&skbedit.TcGen, action.Attrs())
+						case nl.TCA_SKBEDIT_MARK:
+							mark := native.Uint32(adatum.Value[0:4])
+							action.(*SkbEditAction).Mark = &mark
+						case nl.TCA_SKBEDIT_PRIORITY:
+							priority := native.Uint32(adatum.Value[0:4])
+							action.(*SkbEditAction).Priority = &priority
+						case nl.TCA_SKBEDIT_PTYPE:
+							ptype := native.Uint16(adatum.Value[0:2])
+							action.(*SkbEditAction).PType = &ptype
+						case nl.TCA_SKBEDIT_QUEUE_MAPPING:
+							mapping := native.Uint16(adatum.Value[0:2])
+							action.(*SkbEditAction).QueueMapping = &mapping
+						}
 					case "bpf":
 						switch adatum.Attr.Type {
 						case nl.TCA_ACT_BPF_PARMS:
@@ -459,6 +602,14 @@ func parseActions(tables []syscall.NetlinkRouteAttr) ([]Action, error) {
 						case nl.TCA_ACT_BPF_NAME:
 							action.(*BpfAction).Name = string(adatum.Value[:len(adatum.Value)-1])
 						}
+					case "connmark":
+						switch adatum.Attr.Type {
+						case nl.TCA_CONNMARK_PARMS:
+							connmark := *nl.DeserializeTcConnmark(adatum.Value)
+							action.(*ConnmarkAction).ActionAttrs = ActionAttrs{}
+							toAttrs(&connmark.TcGen, action.Attrs())
+							action.(*ConnmarkAction).Zone = connmark.Zone
+						}
 					case "gact":
 						switch adatum.Attr.Type {
 						case nl.TCA_GACT_PARMS:
@@ -483,7 +634,7 @@ func parseU32Data(filter Filter, data []syscall.NetlinkRouteAttr) (bool, error)
 		case nl.TCA_U32_SEL:
 			detailed = true
 			sel := nl.DeserializeTcU32Sel(datum.Value)
-			u32.Sel = (*TcU32Sel)(unsafe.Pointer(sel))
+			u32.Sel = sel
 			if native != networkOrder {
 				// Handle the endianness of attributes
 				u32.Sel.Offmask = native.Uint16(htons(sel.Offmask))
@@ -564,6 +715,10 @@ func parseBpfData(filter Filter, data []syscall.NetlinkRouteAttr) (bool, error)
 			if (flags & nl.TCA_BPF_FLAG_ACT_DIRECT) != 0 {
 				bpf.DirectAction = true
 			}
+		case nl.TCA_BPF_ID:
+			bpf.Id = int(native.Uint32(datum.Value[0:4]))
+		case nl.TCA_BPF_TAG:
+			bpf.Tag = hex.EncodeToString(datum.Value[:len(datum.Value)-1])
 		}
 	}
 	return detailed, nil

vendor/github.com/vishvananda/netlink/fou_linux.go

@@ -90,13 +90,9 @@ func (h *Handle) FouAdd(f Fou) error {
 	req.AddRawData(raw)
 
 	_, err = req.Execute(unix.NETLINK_GENERIC, 0)
-	if err != nil {
 	return err
 }
 
-	return nil
-}
-
 func FouDel(f Fou) error {
 	return pkgHandle.FouDel(f)
 }

vendor/github.com/vishvananda/netlink/genetlink_linux.go

@@ -157,6 +157,9 @@ func (h *Handle) GenlFamilyGet(name string) (*GenlFamily, error) {
 		return nil, err
 	}
 	families, err := parseFamilies(msgs)
+	if err != nil {
+		return nil, err
+	}
 	if len(families) != 1 {
 		return nil, fmt.Errorf("invalid response for GENL_CTRL_CMD_GETFAMILY")
 	}

vendor/github.com/vishvananda/netlink/go.mod

@@ -0,0 +1,8 @@
+module github.com/vishvananda/netlink
+
+go 1.12
+
+require (
+	github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df
+	golang.org/x/sys v0.0.0-20190606203320-7fc4e5ec1444
+)

vendor/github.com/vishvananda/netlink/go.sum

@@ -0,0 +1,4 @@
+github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df h1:OviZH7qLw/7ZovXvuNyL3XQl8UFofeikI1NW1Gypu7k=
+github.com/vishvananda/netns v0.0.0-20191106174202-0a2b9b5464df/go.mod h1:JP3t17pCcGlemwknint6hfoeCVQrEMVwxRLRjXpq+BU=
+golang.org/x/sys v0.0.0-20190606203320-7fc4e5ec1444 h1:/d2cWp6PSamH4jDPFLyO150psQdqvtoNX8Zjg3AQ31g=
+golang.org/x/sys v0.0.0-20190606203320-7fc4e5ec1444/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=

vendor/github.com/vishvananda/netlink/handle_linux.go

@@ -91,7 +91,7 @@ func (h *Handle) GetSocketReceiveBufferSize() ([]int, error) {
 	return results, nil
 }
 
-// NewHandle returns a netlink handle on the network namespace
+// NewHandleAt returns a netlink handle on the network namespace
 // specified by ns. If ns=netns.None(), current network namespace
 // will be assumed
 func NewHandleAt(ns netns.NsHandle, nlFamilies ...int) (*Handle, error) {

vendor/github.com/vishvananda/netlink/handle_unspecified.go

@@ -73,10 +73,18 @@ func (h *Handle) LinkSetVfVlan(link Link, vf, vlan int) error {
 	return ErrNotImplemented
 }
 
+func (h *Handle) LinkSetVfVlanQos(link Link, vf, vlan, qos int) error {
+	return ErrNotImplemented
+}
+
 func (h *Handle) LinkSetVfTxRate(link Link, vf, rate int) error {
 	return ErrNotImplemented
 }
 
+func (h *Handle) LinkSetVfRate(link Link, vf, minRate, maxRate int) error {
+	return ErrNotImplemented
+}
+
 func (h *Handle) LinkSetMaster(link Link, master *Bridge) error {
 	return ErrNotImplemented
 }
@@ -149,6 +157,10 @@ func (h *Handle) LinkSetTxQLen(link Link, qlen int) error {
 	return ErrNotImplemented
 }
 
+func (h *Handle) LinkSetGroup(link Link, group int) error {
+	return ErrNotImplemented
+}
+
 func (h *Handle) setProtinfoAttr(link Link, mode bool, attr int) error {
 	return ErrNotImplemented
 }

vendor/github.com/vishvananda/netlink/ioctl_linux.go

@@ -56,18 +56,10 @@ type ethtoolSset struct {
 	data     [1]uint32
 }
 
-// ethtoolGstrings is string set for data tagging
-type ethtoolGstrings struct {
-	cmd       uint32
-	stringSet uint32
-	length    uint32
-	data      [32]byte
-}
-
 type ethtoolStats struct {
 	cmd    uint32
 	nStats uint32
-	data   [1]uint64
+	// Followed by nStats * []uint64.
 }
 
 // newIocltSlaveReq returns filled IfreqSlave with proper interface names

vendor/github.com/vishvananda/netlink/link.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"net"
 	"os"
+	"strconv"
 )
 
 // Link represents a link device from netlink. Shared link attributes
@@ -41,7 +42,16 @@ type LinkAttrs struct {
 	NetNsID      int
 	NumTxQueues  int
 	NumRxQueues  int
+	GSOMaxSize   uint32
+	GSOMaxSegs   uint32
 	Vfs          []VfInfo // virtual functions available on link
+	Group        uint32
+	Slave        LinkSlave
+}
+
+// LinkSlave represents a slave device.
+type LinkSlave interface {
+	SlaveType() string
 }
 
 // VfInfo represents configuration of virtual function
@@ -50,9 +60,11 @@ type VfInfo struct {
 	Mac       net.HardwareAddr
 	Vlan      int
 	Qos       int
-	TxRate    int
+	TxRate    int // IFLA_VF_TX_RATE  Max TxRate
 	Spoofchk  bool
 	LinkState uint32
+	MaxTxRate uint32 // IFLA_VF_RATE Max TxRate
+	MinTxRate uint32 // IFLA_VF_RATE Min TxRate
 }
 
 // LinkOperState represents the values of the IFLA_OPERSTATE link
@@ -250,6 +262,7 @@ func (bridge *Bridge) Type() string {
 type Vlan struct {
 	LinkAttrs
 	VlanId       int
+	VlanProtocol VlanProtocol
 }
 
 func (vlan *Vlan) Attrs() *LinkAttrs {
@@ -308,6 +321,8 @@ type Tuntap struct {
 	NonPersist bool
 	Queues     int
 	Fds        []*os.File
+	Owner      uint32
+	Group      uint32
 }
 
 func (tuntap *Tuntap) Attrs() *LinkAttrs {
@@ -322,6 +337,7 @@ func (tuntap *Tuntap) Type() string {
 type Veth struct {
 	LinkAttrs
 	PeerName         string // veth on create only
+	PeerHardwareAddr net.HardwareAddr
 }
 
 func (veth *Veth) Attrs() *LinkAttrs {
@@ -390,9 +406,18 @@ const (
 	IPVLAN_MODE_MAX
 )
 
+type IPVlanFlag uint16
+
+const (
+	IPVLAN_FLAG_BRIDGE IPVlanFlag = iota
+	IPVLAN_FLAG_PRIVATE
+	IPVLAN_FLAG_VEPA
+)
+
 type IPVlan struct {
 	LinkAttrs
 	Mode IPVlanMode
+	Flag IPVlanFlag
 }
 
 func (ipvlan *IPVlan) Attrs() *LinkAttrs {
@@ -403,6 +428,43 @@ func (ipvlan *IPVlan) Type() string {
 	return "ipvlan"
 }
 
+// VlanProtocol type
+type VlanProtocol int
+
+func (p VlanProtocol) String() string {
+	s, ok := VlanProtocolToString[p]
+	if !ok {
+		return fmt.Sprintf("VlanProtocol(%d)", p)
+	}
+	return s
+}
+
+// StringToVlanProtocol returns vlan protocol, or unknown is the s is invalid.
+func StringToVlanProtocol(s string) VlanProtocol {
+	mode, ok := StringToVlanProtocolMap[s]
+	if !ok {
+		return VLAN_PROTOCOL_UNKNOWN
+	}
+	return mode
+}
+
+// VlanProtocol possible values
+const (
+	VLAN_PROTOCOL_UNKNOWN VlanProtocol = 0
+	VLAN_PROTOCOL_8021Q   VlanProtocol = 0x8100
+	VLAN_PROTOCOL_8021AD  VlanProtocol = 0x88A8
+)
+
+var VlanProtocolToString = map[VlanProtocol]string{
+	VLAN_PROTOCOL_8021Q:  "802.1q",
+	VLAN_PROTOCOL_8021AD: "802.1ad",
+}
+
+var StringToVlanProtocolMap = map[string]VlanProtocol{
+	"802.1q":  VLAN_PROTOCOL_8021Q,
+	"802.1ad": VLAN_PROTOCOL_8021AD,
+}
+
 // BondMode type
 type BondMode int
 
@@ -414,7 +476,7 @@ func (b BondMode) String() string {
 	return s
 }
 
-// StringToBondMode returns bond mode, or uknonw is the s is invalid.
+// StringToBondMode returns bond mode, or unknown is the s is invalid.
 func StringToBondMode(s string) BondMode {
 	mode, ok := StringToBondModeMap[s]
 	if !ok {
@@ -505,7 +567,7 @@ func (b BondXmitHashPolicy) String() string {
 	return s
 }
 
-// StringToBondXmitHashPolicy returns bond lacp arte, or uknonw is the s is invalid.
+// StringToBondXmitHashPolicy returns bond lacp arte, or unknown is the s is invalid.
 func StringToBondXmitHashPolicy(s string) BondXmitHashPolicy {
 	lacp, ok := StringToBondXmitHashPolicyMap[s]
 	if !ok {
@@ -550,7 +612,7 @@ func (b BondLacpRate) String() string {
 	return s
 }
 
-// StringToBondLacpRate returns bond lacp arte, or uknonw is the s is invalid.
+// StringToBondLacpRate returns bond lacp arte, or unknown is the s is invalid.
 func StringToBondLacpRate(s string) BondLacpRate {
 	lacp, ok := StringToBondLacpRateMap[s]
 	if !ok {
@@ -694,6 +756,67 @@ func (bond *Bond) Type() string {
 	return "bond"
 }
 
+// BondSlaveState represents the values of the IFLA_BOND_SLAVE_STATE bond slave
+// attribute, which contains the state of the bond slave.
+type BondSlaveState uint8
+
+const (
+	BondStateActive = iota // Link is active.
+	BondStateBackup        // Link is backup.
+)
+
+func (s BondSlaveState) String() string {
+	switch s {
+	case BondStateActive:
+		return "ACTIVE"
+	case BondStateBackup:
+		return "BACKUP"
+	default:
+		return strconv.Itoa(int(s))
+	}
+}
+
+// BondSlaveState represents the values of the IFLA_BOND_SLAVE_MII_STATUS bond slave
+// attribute, which contains the status of MII link monitoring
+type BondSlaveMiiStatus uint8
+
+const (
+	BondLinkUp   = iota // link is up and running.
+	BondLinkFail        // link has just gone down.
+	BondLinkDown        // link has been down for too long time.
+	BondLinkBack        // link is going back.
+)
+
+func (s BondSlaveMiiStatus) String() string {
+	switch s {
+	case BondLinkUp:
+		return "UP"
+	case BondLinkFail:
+		return "GOING_DOWN"
+	case BondLinkDown:
+		return "DOWN"
+	case BondLinkBack:
+		return "GOING_BACK"
+	default:
+		return strconv.Itoa(int(s))
+	}
+}
+
+type BondSlave struct {
+	State                  BondSlaveState
+	MiiStatus              BondSlaveMiiStatus
+	LinkFailureCount       uint32
+	PermHardwareAddr       net.HardwareAddr
+	QueueId                uint16
+	AggregatorId           uint16
+	AdActorOperPortState   uint8
+	AdPartnerOperPortState uint16
+}
+
+func (b *BondSlave) SlaveType() string {
+	return "bond"
+}
+
 // Gretap devices must specify LocalIP and RemoteIP on create
 type Gretap struct {
 	LinkAttrs
@@ -748,6 +871,27 @@ func (iptun *Iptun) Type() string {
 	return "ipip"
 }
 
+type Ip6tnl struct {
+	LinkAttrs
+	Link       uint32
+	Local      net.IP
+	Remote     net.IP
+	Ttl        uint8
+	Tos        uint8
+	EncapLimit uint8
+	Flags      uint32
+	Proto      uint8
+	FlowInfo   uint32
+}
+
+func (ip6tnl *Ip6tnl) Attrs() *LinkAttrs {
+	return &ip6tnl.LinkAttrs
+}
+
+func (ip6tnl *Ip6tnl) Type() string {
+	return "ip6tnl"
+}
+
 type Sittun struct {
 	LinkAttrs
 	Link       uint32
@@ -848,11 +992,68 @@ func (gtp *GTP) Type() string {
 	return "gtp"
 }
 
+// Virtual XFRM Interfaces
+//	Named "xfrmi" to prevent confusion with XFRM objects
+type Xfrmi struct {
+	LinkAttrs
+	Ifid uint32
+}
+
+func (xfrm *Xfrmi) Attrs() *LinkAttrs {
+	return &xfrm.LinkAttrs
+}
+
+func (xfrm *Xfrmi) Type() string {
+	return "xfrm"
+}
+
+// IPoIB interface
+
+type IPoIBMode uint16
+
+func (m *IPoIBMode) String() string {
+	str, ok := iPoIBModeToString[*m]
+	if !ok {
+		return fmt.Sprintf("mode(%d)", *m)
+	}
+	return str
+}
+
+const (
+	IPOIB_MODE_DATAGRAM = iota
+	IPOIB_MODE_CONNECTED
+)
+
+var iPoIBModeToString = map[IPoIBMode]string{
+	IPOIB_MODE_DATAGRAM:  "datagram",
+	IPOIB_MODE_CONNECTED: "connected",
+}
+
+var StringToIPoIBMode = map[string]IPoIBMode{
+	"datagram":  IPOIB_MODE_DATAGRAM,
+	"connected": IPOIB_MODE_CONNECTED,
+}
+
+type IPoIB struct {
+	LinkAttrs
+	Pkey   uint16
+	Mode   IPoIBMode
+	Umcast uint16
+}
+
+func (ipoib *IPoIB) Attrs() *LinkAttrs {
+	return &ipoib.LinkAttrs
+}
+
+func (ipoib *IPoIB) Type() string {
+	return "ipoib"
+}
+
 // iproute2 supported devices;
 // vlan | veth | vcan | dummy | ifb | macvlan | macvtap |
 // bridge | bond | ipoib | ip6tnl | ipip | sit | vxlan |
 // gre | gretap | ip6gre | ip6gretap | vti | vti6 | nlmon |
-// bond_slave | ipvlan
+// bond_slave | ipvlan | xfrm
 
 // LinkNotFoundError wraps the various not found errors when
 // getting/reading links. This is intended for better error

vendor/github.com/vishvananda/netlink/link_linux.go

@@ -4,8 +4,10 @@ import (
 	"bytes"
 	"encoding/binary"
 	"fmt"
+	"io/ioutil"
 	"net"
 	"os"
+	"strconv"
 	"strings"
 	"syscall"
 	"unsafe"
@@ -17,7 +19,7 @@ import (
 
 const (
 	SizeofLinkStats32 = 0x5c
-	SizeofLinkStats64 = 0xd8
+	SizeofLinkStats64 = 0xb8
 )
 
 const (
@@ -32,6 +34,12 @@ const (
 	TUNTAP_MULTI_QUEUE_DEFAULTS TuntapFlag = TUNTAP_MULTI_QUEUE | TUNTAP_NO_PI
 )
 
+const (
+	VF_LINK_STATE_AUTO    uint32 = 0
+	VF_LINK_STATE_ENABLE  uint32 = 1
+	VF_LINK_STATE_DISABLE uint32 = 2
+)
+
 var lookupByDump = false
 
 var macvlanModes = [...]uint32{
@@ -465,6 +473,37 @@ func (h *Handle) LinkSetVfVlan(link Link, vf, vlan int) error {
 	return err
 }
 
+// LinkSetVfVlanQos sets the vlan and qos priority of a vf for the link.
+// Equivalent to: `ip link set $link vf $vf vlan $vlan qos $qos`
+func LinkSetVfVlanQos(link Link, vf, vlan, qos int) error {
+	return pkgHandle.LinkSetVfVlanQos(link, vf, vlan, qos)
+}
+
+// LinkSetVfVlanQos sets the vlan and qos priority of a vf for the link.
+// Equivalent to: `ip link set $link vf $vf vlan $vlan qos $qos`
+func (h *Handle) LinkSetVfVlanQos(link Link, vf, vlan, qos int) error {
+	base := link.Attrs()
+	h.ensureIndex(base)
+	req := h.newNetlinkRequest(unix.RTM_SETLINK, unix.NLM_F_ACK)
+
+	msg := nl.NewIfInfomsg(unix.AF_UNSPEC)
+	msg.Index = int32(base.Index)
+	req.AddData(msg)
+
+	data := nl.NewRtAttr(unix.IFLA_VFINFO_LIST, nil)
+	info := nl.NewRtAttrChild(data, nl.IFLA_VF_INFO, nil)
+	vfmsg := nl.VfVlan{
+		Vf:   uint32(vf),
+		Vlan: uint32(vlan),
+		Qos:  uint32(qos),
+	}
+	nl.NewRtAttrChild(info, nl.IFLA_VF_VLAN, vfmsg.Serialize())
+	req.AddData(data)
+
+	_, err := req.Execute(unix.NETLINK_ROUTE, 0)
+	return err
+}
+
 // LinkSetVfTxRate sets the tx rate of a vf for the link.
 // Equivalent to: `ip link set $link vf $vf rate $rate`
 func LinkSetVfTxRate(link Link, vf, rate int) error {
@@ -495,13 +534,74 @@ func (h *Handle) LinkSetVfTxRate(link Link, vf, rate int) error {
 	return err
 }
 
+// LinkSetVfRate sets the min and max tx rate of a vf for the link.
+// Equivalent to: `ip link set $link vf $vf min_tx_rate $min_rate max_tx_rate $max_rate`
+func LinkSetVfRate(link Link, vf, minRate, maxRate int) error {
+	return pkgHandle.LinkSetVfRate(link, vf, minRate, maxRate)
+}
+
+// LinkSetVfRate sets the min and max tx rate of a vf for the link.
+// Equivalent to: `ip link set $link vf $vf min_tx_rate $min_rate max_tx_rate $max_rate`
+func (h *Handle) LinkSetVfRate(link Link, vf, minRate, maxRate int) error {
+	base := link.Attrs()
+	h.ensureIndex(base)
+	req := h.newNetlinkRequest(unix.RTM_SETLINK, unix.NLM_F_ACK)
+
+	msg := nl.NewIfInfomsg(unix.AF_UNSPEC)
+	msg.Index = int32(base.Index)
+	req.AddData(msg)
+
+	data := nl.NewRtAttr(unix.IFLA_VFINFO_LIST, nil)
+	info := data.AddRtAttr(nl.IFLA_VF_INFO, nil)
+	vfmsg := nl.VfRate{
+		Vf:        uint32(vf),
+		MinTxRate: uint32(minRate),
+		MaxTxRate: uint32(maxRate),
+	}
+	info.AddRtAttr(nl.IFLA_VF_RATE, vfmsg.Serialize())
+	req.AddData(data)
+
+	_, err := req.Execute(unix.NETLINK_ROUTE, 0)
+	return err
+}
+
+// LinkSetVfState enables/disables virtual link state on a vf.
+// Equivalent to: `ip link set $link vf $vf state $state`
+func LinkSetVfState(link Link, vf int, state uint32) error {
+	return pkgHandle.LinkSetVfState(link, vf, state)
+}
+
+// LinkSetVfState enables/disables virtual link state on a vf.
+// Equivalent to: `ip link set $link vf $vf state $state`
+func (h *Handle) LinkSetVfState(link Link, vf int, state uint32) error {
+	base := link.Attrs()
+	h.ensureIndex(base)
+	req := h.newNetlinkRequest(unix.RTM_SETLINK, unix.NLM_F_ACK)
+
+	msg := nl.NewIfInfomsg(unix.AF_UNSPEC)
+	msg.Index = int32(base.Index)
+	req.AddData(msg)
+
+	data := nl.NewRtAttr(unix.IFLA_VFINFO_LIST, nil)
+	info := data.AddRtAttr(nl.IFLA_VF_INFO, nil)
+	vfmsg := nl.VfLinkState{
+		Vf:        uint32(vf),
+		LinkState: state,
+	}
+	info.AddRtAttr(nl.IFLA_VF_LINK_STATE, vfmsg.Serialize())
+	req.AddData(data)
+
+	_, err := req.Execute(unix.NETLINK_ROUTE, 0)
+	return err
+}
+
 // LinkSetVfSpoofchk enables/disables spoof check on a vf for the link.
 // Equivalent to: `ip link set $link vf $vf spoofchk $check`
 func LinkSetVfSpoofchk(link Link, vf int, check bool) error {
 	return pkgHandle.LinkSetVfSpoofchk(link, vf, check)
 }
 
-// LinkSetVfSpookfchk enables/disables spoof check on a vf for the link.
+// LinkSetVfSpoofchk enables/disables spoof check on a vf for the link.
 // Equivalent to: `ip link set $link vf $vf spoofchk $check`
 func (h *Handle) LinkSetVfSpoofchk(link Link, vf int, check bool) error {
 	var setting uint32
@@ -581,7 +681,7 @@ func (h *Handle) LinkSetVfGUID(link Link, vf int, vfGuid net.HardwareAddr, guidT
 	var guid uint64
 
 	buf := bytes.NewBuffer(vfGuid)
-	err = binary.Read(buf, binary.LittleEndian, &guid)
+	err = binary.Read(buf, binary.BigEndian, &guid)
 	if err != nil {
 		return err
 	}
@@ -609,13 +709,13 @@ func (h *Handle) LinkSetVfGUID(link Link, vf int, vfGuid net.HardwareAddr, guidT
 
 // LinkSetMaster sets the master of the link device.
 // Equivalent to: `ip link set $link master $master`
-func LinkSetMaster(link Link, master *Bridge) error {
+func LinkSetMaster(link Link, master Link) error {
 	return pkgHandle.LinkSetMaster(link, master)
 }
 
 // LinkSetMaster sets the master of the link device.
 // Equivalent to: `ip link set $link master $master`
-func (h *Handle) LinkSetMaster(link Link, master *Bridge) error {
+func (h *Handle) LinkSetMaster(link Link, master Link) error {
 	index := 0
 	if master != nil {
 		masterBase := master.Attrs()
@@ -1086,8 +1186,8 @@ func (h *Handle) linkModify(link Link, flags int) error {
 		native.PutUint32(b, uint32(base.ParentIndex))
 		data := nl.NewRtAttr(unix.IFLA_LINK, b)
 		req.AddData(data)
-	} else if link.Type() == "ipvlan" {
+	} else if link.Type() == "ipvlan" || link.Type() == "ipoib" {
-		return fmt.Errorf("Can't create ipvlan link without ParentIndex")
+		return fmt.Errorf("Can't create %s link without ParentIndex", link.Type())
 	}
 
 	nameData := nl.NewRtAttr(unix.IFLA_IFNAME, nl.ZeroTerminated(base.Name))
@@ -1118,14 +1218,29 @@ func (h *Handle) linkModify(link Link, flags int) error {
 		req.AddData(rxqueues)
 	}
 
+	if base.GSOMaxSegs > 0 {
+		gsoAttr := nl.NewRtAttr(unix.IFLA_GSO_MAX_SEGS, nl.Uint32Attr(base.GSOMaxSegs))
+		req.AddData(gsoAttr)
+	}
+
+	if base.GSOMaxSize > 0 {
+		gsoAttr := nl.NewRtAttr(unix.IFLA_GSO_MAX_SIZE, nl.Uint32Attr(base.GSOMaxSize))
+		req.AddData(gsoAttr)
+	}
+
+	if base.Group > 0 {
+		groupAttr := nl.NewRtAttr(unix.IFLA_GROUP, nl.Uint32Attr(base.Group))
+		req.AddData(groupAttr)
+	}
+
 	if base.Namespace != nil {
 		var attr *nl.RtAttr
-		switch base.Namespace.(type) {
+		switch ns := base.Namespace.(type) {
 		case NsPid:
-			val := nl.Uint32Attr(uint32(base.Namespace.(NsPid)))
+			val := nl.Uint32Attr(uint32(ns))
 			attr = nl.NewRtAttr(unix.IFLA_NET_NS_PID, val)
 		case NsFd:
-			val := nl.Uint32Attr(uint32(base.Namespace.(NsFd)))
+			val := nl.Uint32Attr(uint32(ns))
 			attr = nl.NewRtAttr(unix.IFLA_NET_NS_FD, val)
 		}
 
@@ -1145,6 +1260,10 @@ func (h *Handle) linkModify(link Link, flags int) error {
 		native.PutUint16(b, uint16(link.VlanId))
 		data := linkInfo.AddRtAttr(nl.IFLA_INFO_DATA, nil)
 		data.AddRtAttr(nl.IFLA_VLAN_ID, b)
+
+		if link.VlanProtocol != VLAN_PROTOCOL_UNKNOWN {
+			data.AddRtAttr(nl.IFLA_VLAN_PROTOCOL, htons(uint16(link.VlanProtocol)))
+		}
 	case *Veth:
 		data := linkInfo.AddRtAttr(nl.IFLA_INFO_DATA, nil)
 		peer := data.AddRtAttr(nl.VETH_INFO_PEER, nil)
@@ -1156,7 +1275,9 @@ func (h *Handle) linkModify(link Link, flags int) error {
 		if base.MTU > 0 {
 			peer.AddRtAttr(unix.IFLA_MTU, nl.Uint32Attr(uint32(base.MTU)))
 		}
-
+		if link.PeerHardwareAddr != nil {
+			peer.AddRtAttr(unix.IFLA_ADDRESS, []byte(link.PeerHardwareAddr))
+		}
 	case *Vxlan:
 		addVxlanAttrs(link, linkInfo)
 	case *Bond:
@@ -1164,6 +1285,7 @@ func (h *Handle) linkModify(link Link, flags int) error {
 	case *IPVlan:
 		data := linkInfo.AddRtAttr(nl.IFLA_INFO_DATA, nil)
 		data.AddRtAttr(nl.IFLA_IPVLAN_MODE, nl.Uint16Attr(uint16(link.Mode)))
+		data.AddRtAttr(nl.IFLA_IPVLAN_FLAG, nl.Uint16Attr(uint16(link.Flag)))
 	case *Macvlan:
 		if link.Mode != MACVLAN_MODE_DEFAULT {
 			data := linkInfo.AddRtAttr(nl.IFLA_INFO_DATA, nil)
@@ -1178,6 +1300,8 @@ func (h *Handle) linkModify(link Link, flags int) error {
 		addGretapAttrs(link, linkInfo)
 	case *Iptun:
 		addIptunAttrs(link, linkInfo)
+	case *Ip6tnl:
+		addIp6tnlAttrs(link, linkInfo)
 	case *Sittun:
 		addSittunAttrs(link, linkInfo)
 	case *Gretun:
@@ -1190,6 +1314,10 @@ func (h *Handle) linkModify(link Link, flags int) error {
 		addBridgeAttrs(link, linkInfo)
 	case *GTP:
 		addGTPAttrs(link, linkInfo)
+	case *Xfrmi:
+		addXfrmiAttrs(link, linkInfo)
+	case *IPoIB:
+		addIPoIBAttrs(link, linkInfo)
 	}
 
 	req.AddData(linkInfo)
@@ -1387,9 +1515,11 @@ func LinkDeserialize(hdr *unix.NlMsghdr, m []byte) (Link, error) {
 	}
 	var (
 		link      Link
-		stats32  []byte
+		stats32   *LinkStatistics32
-		stats64  []byte
+		stats64   *LinkStatistics64
 		linkType  string
+		linkSlave LinkSlave
+		slaveType string
 	)
 	for _, attr := range attrs {
 		switch attr.Attr.Type {
@@ -1429,6 +1559,8 @@ func LinkDeserialize(hdr *unix.NlMsghdr, m []byte) (Link, error) {
 						link = &Gretap{}
 					case "ipip":
 						link = &Iptun{}
+					case "ip6tnl":
+						link = &Ip6tnl{}
 					case "sit":
 						link = &Sittun{}
 					case "gre":
@@ -1441,6 +1573,12 @@ func LinkDeserialize(hdr *unix.NlMsghdr, m []byte) (Link, error) {
 						link = &Vrf{}
 					case "gtp":
 						link = &GTP{}
+					case "xfrm":
+						link = &Xfrmi{}
+					case "tun":
+						link = &Tuntap{}
+					case "ipoib":
+						link = &IPoIB{}
 					default:
 						link = &GenericLink{LinkType: linkType}
 					}
@@ -1468,6 +1606,8 @@ func LinkDeserialize(hdr *unix.NlMsghdr, m []byte) (Link, error) {
 						parseGretapData(link, data)
 					case "ipip":
 						parseIptunData(link, data)
+					case "ip6tnl":
+						parseIp6tnlData(link, data)
 					case "sit":
 						parseSittunData(link, data)
 					case "gre":
@@ -1482,6 +1622,27 @@ func LinkDeserialize(hdr *unix.NlMsghdr, m []byte) (Link, error) {
 						parseBridgeData(link, data)
 					case "gtp":
 						parseGTPData(link, data)
+					case "xfrm":
+						parseXfrmiData(link, data)
+					case "tun":
+						parseTuntapData(link, data)
+					case "ipoib":
+						parseIPoIBData(link, data)
+					}
+				case nl.IFLA_INFO_SLAVE_KIND:
+					slaveType = string(info.Value[:len(info.Value)-1])
+					switch slaveType {
+					case "bond":
+						linkSlave = &BondSlave{}
+					}
+				case nl.IFLA_INFO_SLAVE_DATA:
+					switch slaveType {
+					case "bond":
+						data, err := nl.ParseRouteAttr(info.Value)
+						if err != nil {
+							return nil, err
+						}
+						parseBondSlaveData(linkSlave, data)
 					}
 				}
 			}
@@ -1508,9 +1669,15 @@ func LinkDeserialize(hdr *unix.NlMsghdr, m []byte) (Link, error) {
 		case unix.IFLA_IFALIAS:
 			base.Alias = string(attr.Value[:len(attr.Value)-1])
 		case unix.IFLA_STATS:
-			stats32 = attr.Value[:]
+			stats32 = new(LinkStatistics32)
+			if err := binary.Read(bytes.NewBuffer(attr.Value[:]), nl.NativeEndian(), stats32); err != nil {
+				return nil, err
+			}
 		case unix.IFLA_STATS64:
-			stats64 = attr.Value[:]
+			stats64 = new(LinkStatistics64)
+			if err := binary.Read(bytes.NewBuffer(attr.Value[:]), nl.NativeEndian(), stats64); err != nil {
+				return nil, err
+			}
 		case unix.IFLA_XDP:
 			xdp, err := parseLinkXdp(attr.Value[:])
 			if err != nil {
@@ -1531,6 +1698,10 @@ func LinkDeserialize(hdr *unix.NlMsghdr, m []byte) (Link, error) {
 			base.OperState = LinkOperState(uint8(attr.Value[0]))
 		case unix.IFLA_LINK_NETNSID:
 			base.NetNsID = int(native.Uint32(attr.Value[0:4]))
+		case unix.IFLA_GSO_MAX_SIZE:
+			base.GSOMaxSize = native.Uint32(attr.Value[0:4])
+		case unix.IFLA_GSO_MAX_SEGS:
+			base.GSOMaxSegs = native.Uint32(attr.Value[0:4])
 		case unix.IFLA_VFINFO_LIST:
 			data, err := nl.ParseRouteAttr(attr.Value)
 			if err != nil {
@@ -1541,13 +1712,19 @@ func LinkDeserialize(hdr *unix.NlMsghdr, m []byte) (Link, error) {
 				return nil, err
 			}
 			base.Vfs = vfs
+		case unix.IFLA_NUM_TX_QUEUES:
+			base.NumTxQueues = int(native.Uint32(attr.Value[0:4]))
+		case unix.IFLA_NUM_RX_QUEUES:
+			base.NumRxQueues = int(native.Uint32(attr.Value[0:4]))
+		case unix.IFLA_GROUP:
+			base.Group = native.Uint32(attr.Value[0:4])
 		}
 	}
 
 	if stats64 != nil {
-		base.Statistics = parseLinkStats64(stats64)
+		base.Statistics = (*LinkStatistics)(stats64)
 	} else if stats32 != nil {
-		base.Statistics = parseLinkStats32(stats32)
+		base.Statistics = (*LinkStatistics)(stats32.to64())
 	}
 
 	// Links that don't have IFLA_INFO_KIND are hardware devices
@@ -1555,10 +1732,59 @@ func LinkDeserialize(hdr *unix.NlMsghdr, m []byte) (Link, error) {
 		link = &Device{}
 	}
 	*link.Attrs() = base
+	link.Attrs().Slave = linkSlave
+
+	// If the tuntap attributes are not updated by netlink due to
+	// an older driver, use sysfs
+	if link != nil && linkType == "tun" {
+		tuntap := link.(*Tuntap)
+
+		if tuntap.Mode == 0 {
+			ifname := tuntap.Attrs().Name
+			if flags, err := readSysPropAsInt64(ifname, "tun_flags"); err == nil {
+
+				if flags&unix.IFF_TUN != 0 {
+					tuntap.Mode = unix.IFF_TUN
+				} else if flags&unix.IFF_TAP != 0 {
+					tuntap.Mode = unix.IFF_TAP
+				}
+
+				tuntap.NonPersist = false
+				if flags&unix.IFF_PERSIST == 0 {
+					tuntap.NonPersist = true
+				}
+			}
+
+			// The sysfs interface for owner/group returns -1 for root user, instead of returning 0.
+			// So explicitly check for negative value, before assigning the owner uid/gid.
+			if owner, err := readSysPropAsInt64(ifname, "owner"); err == nil && owner > 0 {
+				tuntap.Owner = uint32(owner)
+			}
+
+			if group, err := readSysPropAsInt64(ifname, "group"); err == nil && group > 0 {
+				tuntap.Group = uint32(group)
+			}
+		}
+	}
 
 	return link, nil
 }
 
+func readSysPropAsInt64(ifname, prop string) (int64, error) {
+	fname := fmt.Sprintf("/sys/class/net/%s/%s", ifname, prop)
+	contents, err := ioutil.ReadFile(fname)
+	if err != nil {
+		return 0, err
+	}
+
+	num, err := strconv.ParseInt(strings.TrimSpace(string(contents)), 0, 64)
+	if err == nil {
+		return num, nil
+	}
+
+	return 0, err
+}
+
 // LinkList gets a list of link devices.
 // Equivalent to: `ip link show`
 func LinkList() ([]Link, error) {
@@ -1655,13 +1881,19 @@ func linkSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- LinkUpdate, done <-c
 	go func() {
 		defer close(ch)
 		for {
-			msgs, err := s.Receive()
+			msgs, from, err := s.Receive()
 			if err != nil {
 				if cberr != nil {
 					cberr(err)
 				}
 				return
 			}
+			if from.Pid != nl.PidKernel {
+				if cberr != nil {
+					cberr(fmt.Errorf("Wrong sender portid %d, expected %d", from.Pid, nl.PidKernel))
+				}
+				continue
+			}
 			for _, m := range msgs {
 				if m.Header.Type == unix.NLMSG_DONE {
 					continue
@@ -1804,12 +2036,43 @@ func (h *Handle) LinkSetTxQLen(link Link, qlen int) error {
 	return err
 }
 
+// LinkSetGroup sets the link group id which can be used to perform mass actions
+// with iproute2 as well use it as a reference in nft filters.
+// Equivalent to: `ip link set $link group $id`
+func LinkSetGroup(link Link, group int) error {
+	return pkgHandle.LinkSetGroup(link, group)
+}
+
+// LinkSetGroup sets the link group id which can be used to perform mass actions
+// with iproute2 as well use it as a reference in nft filters.
+// Equivalent to: `ip link set $link group $id`
+func (h *Handle) LinkSetGroup(link Link, group int) error {
+	base := link.Attrs()
+	h.ensureIndex(base)
+	req := h.newNetlinkRequest(unix.RTM_SETLINK, unix.NLM_F_ACK)
+
+	msg := nl.NewIfInfomsg(unix.AF_UNSPEC)
+	msg.Index = int32(base.Index)
+	req.AddData(msg)
+
+	b := make([]byte, 4)
+	native.PutUint32(b, uint32(group))
+
+	data := nl.NewRtAttr(unix.IFLA_GROUP, b)
+	req.AddData(data)
+
+	_, err := req.Execute(unix.NETLINK_ROUTE, 0)
+	return err
+}
+
 func parseVlanData(link Link, data []syscall.NetlinkRouteAttr) {
 	vlan := link.(*Vlan)
 	for _, datum := range data {
 		switch datum.Attr.Type {
 		case nl.IFLA_VLAN_ID:
 			vlan.VlanId = int(native.Uint16(datum.Value[0:2]))
+		case nl.IFLA_VLAN_PROTOCOL:
+			vlan.VlanProtocol = VlanProtocol(int(ntohs(datum.Value[0:2])))
 		}
 	}
 }
@@ -1891,7 +2154,7 @@ func parseBondData(link Link, data []syscall.NetlinkRouteAttr) {
 		case nl.IFLA_BOND_ARP_INTERVAL:
 			bond.ArpInterval = int(native.Uint32(data[i].Value[0:4]))
 		case nl.IFLA_BOND_ARP_IP_TARGET:
-			// TODO: implement
+			bond.ArpIpTargets = parseBondArpIpTargets(data[i].Value)
 		case nl.IFLA_BOND_ARP_VALIDATE:
 			bond.ArpValidate = BondArpValidate(native.Uint32(data[i].Value[0:4]))
 		case nl.IFLA_BOND_ARP_ALL_TARGETS:
@@ -1934,12 +2197,75 @@ func parseBondData(link Link, data []syscall.NetlinkRouteAttr) {
 	}
 }
 
+func parseBondArpIpTargets(value []byte) []net.IP {
+	data, err := nl.ParseRouteAttr(value)
+	if err != nil {
+		return nil
+	}
+
+	targets := []net.IP{}
+	for i := range data {
+		target := net.IP(data[i].Value)
+		if ip := target.To4(); ip != nil {
+			targets = append(targets, ip)
+			continue
+		}
+		if ip := target.To16(); ip != nil {
+			targets = append(targets, ip)
+		}
+	}
+
+	return targets
+}
+
+func addBondSlaveAttrs(bondSlave *BondSlave, linkInfo *nl.RtAttr) {
+	data := linkInfo.AddRtAttr(nl.IFLA_INFO_SLAVE_DATA, nil)
+
+	data.AddRtAttr(nl.IFLA_BOND_SLAVE_STATE, nl.Uint8Attr(uint8(bondSlave.State)))
+	data.AddRtAttr(nl.IFLA_BOND_SLAVE_MII_STATUS, nl.Uint8Attr(uint8(bondSlave.MiiStatus)))
+	data.AddRtAttr(nl.IFLA_BOND_SLAVE_LINK_FAILURE_COUNT, nl.Uint32Attr(bondSlave.LinkFailureCount))
+	data.AddRtAttr(nl.IFLA_BOND_SLAVE_QUEUE_ID, nl.Uint16Attr(bondSlave.QueueId))
+	data.AddRtAttr(nl.IFLA_BOND_SLAVE_AD_AGGREGATOR_ID, nl.Uint16Attr(bondSlave.AggregatorId))
+	data.AddRtAttr(nl.IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE, nl.Uint8Attr(bondSlave.AdActorOperPortState))
+	data.AddRtAttr(nl.IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE, nl.Uint16Attr(bondSlave.AdPartnerOperPortState))
+
+	if mac := bondSlave.PermHardwareAddr; mac != nil {
+		data.AddRtAttr(nl.IFLA_BOND_SLAVE_PERM_HWADDR, []byte(mac))
+	}
+}
+
+func parseBondSlaveData(slave LinkSlave, data []syscall.NetlinkRouteAttr) {
+	bondSlave := slave.(*BondSlave)
+	for i := range data {
+		switch data[i].Attr.Type {
+		case nl.IFLA_BOND_SLAVE_STATE:
+			bondSlave.State = BondSlaveState(data[i].Value[0])
+		case nl.IFLA_BOND_SLAVE_MII_STATUS:
+			bondSlave.MiiStatus = BondSlaveMiiStatus(data[i].Value[0])
+		case nl.IFLA_BOND_SLAVE_LINK_FAILURE_COUNT:
+			bondSlave.LinkFailureCount = native.Uint32(data[i].Value[0:4])
+		case nl.IFLA_BOND_SLAVE_PERM_HWADDR:
+			bondSlave.PermHardwareAddr = net.HardwareAddr(data[i].Value[0:6])
+		case nl.IFLA_BOND_SLAVE_QUEUE_ID:
+			bondSlave.QueueId = native.Uint16(data[i].Value[0:2])
+		case nl.IFLA_BOND_SLAVE_AD_AGGREGATOR_ID:
+			bondSlave.AggregatorId = native.Uint16(data[i].Value[0:2])
+		case nl.IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE:
+			bondSlave.AdActorOperPortState = uint8(data[i].Value[0])
+		case nl.IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE:
+			bondSlave.AdPartnerOperPortState = native.Uint16(data[i].Value[0:2])
+		}
+	}
+}
+
 func parseIPVlanData(link Link, data []syscall.NetlinkRouteAttr) {
 	ipv := link.(*IPVlan)
 	for _, datum := range data {
-		if datum.Attr.Type == nl.IFLA_IPVLAN_MODE {
+		switch datum.Attr.Type {
+		case nl.IFLA_IPVLAN_MODE:
 			ipv.Mode = IPVlanMode(native.Uint32(datum.Value[0:4]))
-			return
+		case nl.IFLA_IPVLAN_FLAG:
+			ipv.Flag = IPVlanFlag(native.Uint32(datum.Value[0:4]))
 		}
 	}
 }
@@ -2081,9 +2407,7 @@ func parseGretapData(link Link, data []syscall.NetlinkRouteAttr) {
 		case nl.IFLA_GRE_ENCAP_FLAGS:
 			gre.EncapFlags = native.Uint16(datum.Value[0:2])
 		case nl.IFLA_GRE_COLLECT_METADATA:
-			if len(datum.Value) > 0 {
+			gre.FlowBased = true
-				gre.FlowBased = int8(datum.Value[0]) != 0
-			}
 		}
 	}
 }
@@ -2165,14 +2489,6 @@ func parseGretunData(link Link, data []syscall.NetlinkRouteAttr) {
 	}
 }
 
-func parseLinkStats32(data []byte) *LinkStatistics {
-	return (*LinkStatistics)((*LinkStatistics32)(unsafe.Pointer(&data[0:SizeofLinkStats32][0])).to64())
-}
-
-func parseLinkStats64(data []byte) *LinkStatistics {
-	return (*LinkStatistics)((*LinkStatistics64)(unsafe.Pointer(&data[0:SizeofLinkStats64][0])))
-}
-
 func addXdpAttrs(xdp *LinkXdp, req *nl.NetlinkRequest) {
 	attrs := nl.NewRtAttr(unix.IFLA_XDP|unix.NLA_F_NESTED, nil)
 	b := make([]byte, 4)
@@ -2266,6 +2582,55 @@ func parseIptunData(link Link, data []syscall.NetlinkRouteAttr) {
 	}
 }
 
+func addIp6tnlAttrs(ip6tnl *Ip6tnl, linkInfo *nl.RtAttr) {
+	data := linkInfo.AddRtAttr(nl.IFLA_INFO_DATA, nil)
+
+	if ip6tnl.Link != 0 {
+		data.AddRtAttr(nl.IFLA_IPTUN_LINK, nl.Uint32Attr(ip6tnl.Link))
+	}
+
+	ip := ip6tnl.Local.To16()
+	if ip != nil {
+		data.AddRtAttr(nl.IFLA_IPTUN_LOCAL, []byte(ip))
+	}
+
+	ip = ip6tnl.Remote.To16()
+	if ip != nil {
+		data.AddRtAttr(nl.IFLA_IPTUN_REMOTE, []byte(ip))
+	}
+
+	data.AddRtAttr(nl.IFLA_IPTUN_TTL, nl.Uint8Attr(ip6tnl.Ttl))
+	data.AddRtAttr(nl.IFLA_IPTUN_TOS, nl.Uint8Attr(ip6tnl.Tos))
+	data.AddRtAttr(nl.IFLA_IPTUN_ENCAP_LIMIT, nl.Uint8Attr(ip6tnl.EncapLimit))
+	data.AddRtAttr(nl.IFLA_IPTUN_FLAGS, nl.Uint32Attr(ip6tnl.Flags))
+	data.AddRtAttr(nl.IFLA_IPTUN_PROTO, nl.Uint8Attr(ip6tnl.Proto))
+	data.AddRtAttr(nl.IFLA_IPTUN_FLOWINFO, nl.Uint32Attr(ip6tnl.FlowInfo))
+}
+
+func parseIp6tnlData(link Link, data []syscall.NetlinkRouteAttr) {
+	ip6tnl := link.(*Ip6tnl)
+	for _, datum := range data {
+		switch datum.Attr.Type {
+		case nl.IFLA_IPTUN_LOCAL:
+			ip6tnl.Local = net.IP(datum.Value[:16])
+		case nl.IFLA_IPTUN_REMOTE:
+			ip6tnl.Remote = net.IP(datum.Value[:16])
+		case nl.IFLA_IPTUN_TTL:
+			ip6tnl.Ttl = uint8(datum.Value[0])
+		case nl.IFLA_IPTUN_TOS:
+			ip6tnl.Tos = uint8(datum.Value[0])
+		case nl.IFLA_IPTUN_ENCAP_LIMIT:
+			ip6tnl.EncapLimit = uint8(datum.Value[0])
+		case nl.IFLA_IPTUN_FLAGS:
+			ip6tnl.Flags = native.Uint32(datum.Value[:4])
+		case nl.IFLA_IPTUN_PROTO:
+			ip6tnl.Proto = uint8(datum.Value[0])
+		case nl.IFLA_IPTUN_FLOWINFO:
+			ip6tnl.FlowInfo = native.Uint32(datum.Value[:4])
+		}
+	}
+}
+
 func addSittunAttrs(sittun *Sittun, linkInfo *nl.RtAttr) {
 	data := linkInfo.AddRtAttr(nl.IFLA_INFO_DATA, nil)
 
@@ -2483,11 +2848,34 @@ func parseVfInfo(data []syscall.NetlinkRouteAttr, id int) VfInfo {
 		case nl.IFLA_VF_LINK_STATE:
 			ls := nl.DeserializeVfLinkState(element.Value[:])
 			vf.LinkState = ls.LinkState
+		case nl.IFLA_VF_RATE:
+			vfr := nl.DeserializeVfRate(element.Value[:])
+			vf.MaxTxRate = vfr.MaxTxRate
+			vf.MinTxRate = vfr.MinTxRate
 		}
 	}
 	return vf
 }
 
+func addXfrmiAttrs(xfrmi *Xfrmi, linkInfo *nl.RtAttr) {
+	data := linkInfo.AddRtAttr(nl.IFLA_INFO_DATA, nil)
+	data.AddRtAttr(nl.IFLA_XFRM_LINK, nl.Uint32Attr(uint32(xfrmi.ParentIndex)))
+	data.AddRtAttr(nl.IFLA_XFRM_IF_ID, nl.Uint32Attr(xfrmi.Ifid))
+
+}
+
+func parseXfrmiData(link Link, data []syscall.NetlinkRouteAttr) {
+	xfrmi := link.(*Xfrmi)
+	for _, datum := range data {
+		switch datum.Attr.Type {
+		case nl.IFLA_XFRM_LINK:
+			xfrmi.ParentIndex = int(native.Uint32(datum.Value))
+		case nl.IFLA_XFRM_IF_ID:
+			xfrmi.Ifid = native.Uint32(datum.Value)
+		}
+	}
+}
+
 // LinkSetBondSlave add slave to bond link via ioctl interface.
 func LinkSetBondSlave(link Link, master *Bond) error {
 	fd, err := getSocketUDP()
@@ -2505,6 +2893,52 @@ func LinkSetBondSlave(link Link, master *Bond) error {
 	return nil
 }
 
+// LinkSetBondSlaveQueueId modify bond slave queue-id.
+func (h *Handle) LinkSetBondSlaveQueueId(link Link, queueId uint16) error {
+	base := link.Attrs()
+	h.ensureIndex(base)
+	req := h.newNetlinkRequest(unix.RTM_SETLINK, unix.NLM_F_ACK)
+
+	msg := nl.NewIfInfomsg(unix.AF_UNSPEC)
+	msg.Index = int32(base.Index)
+	req.AddData(msg)
+
+	linkInfo := nl.NewRtAttr(unix.IFLA_LINKINFO, nil)
+	data := linkInfo.AddRtAttr(nl.IFLA_INFO_SLAVE_DATA, nil)
+	data.AddRtAttr(nl.IFLA_BOND_SLAVE_QUEUE_ID, nl.Uint16Attr(queueId))
+
+	req.AddData(linkInfo)
+	_, err := req.Execute(unix.NETLINK_ROUTE, 0)
+	return err
+}
+
+// LinkSetBondSlaveQueueId modify bond slave queue-id.
+func LinkSetBondSlaveQueueId(link Link, queueId uint16) error {
+	return pkgHandle.LinkSetBondSlaveQueueId(link, queueId)
+}
+
+func vethStatsSerialize(stats ethtoolStats) ([]byte, error) {
+	statsSize := int(unsafe.Sizeof(stats)) + int(stats.nStats)*int(unsafe.Sizeof(uint64(0)))
+	b := make([]byte, 0, statsSize)
+	buf := bytes.NewBuffer(b)
+	err := binary.Write(buf, nl.NativeEndian(), stats)
+	return buf.Bytes()[:statsSize], err
+}
+
+type vethEthtoolStats struct {
+	Cmd    uint32
+	NStats uint32
+	Peer   uint64
+	// Newer kernels have XDP stats in here, but we only care
+	// to extract the peer ifindex here.
+}
+
+func vethStatsDeserialize(b []byte) (vethEthtoolStats, error) {
+	var stats = vethEthtoolStats{}
+	err := binary.Read(bytes.NewReader(b), nl.NativeEndian(), &stats)
+	return stats, err
+}
+
 // VethPeerIndex get veth peer index.
 func VethPeerIndex(link *Veth) (int, error) {
 	fd, err := getSocketUDP()
@@ -2519,25 +2953,66 @@ func VethPeerIndex(link *Veth) (int, error) {
 		return -1, fmt.Errorf("SIOCETHTOOL request for %q failed, errno=%v", link.Attrs().Name, errno)
 	}
 
-	gstrings := &ethtoolGstrings{
+	stats := ethtoolStats{
-		cmd:       ETHTOOL_GSTRINGS,
+		cmd:    ETHTOOL_GSTATS,
-		stringSet: ETH_SS_STATS,
+		nStats: sSet.data[0],
-		length:    sSet.data[0],
 	}
-	ifreq.Data = uintptr(unsafe.Pointer(gstrings))
+
+	buffer, err := vethStatsSerialize(stats)
+	if err != nil {
+		return -1, err
+	}
+
+	ifreq.Data = uintptr(unsafe.Pointer(&buffer[0]))
 	_, _, errno = syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), SIOCETHTOOL, uintptr(unsafe.Pointer(ifreq)))
 	if errno != 0 {
 		return -1, fmt.Errorf("SIOCETHTOOL request for %q failed, errno=%v", link.Attrs().Name, errno)
 	}
 
-	stats := &ethtoolStats{
+	vstats, err := vethStatsDeserialize(buffer)
-		cmd:    ETHTOOL_GSTATS,
+	if err != nil {
-		nStats: gstrings.length,
+		return -1, err
 	}
-	ifreq.Data = uintptr(unsafe.Pointer(stats))
+
-	_, _, errno = syscall.Syscall(syscall.SYS_IOCTL, uintptr(fd), SIOCETHTOOL, uintptr(unsafe.Pointer(ifreq)))
+	return int(vstats.Peer), nil
-	if errno != 0 {
-		return -1, fmt.Errorf("SIOCETHTOOL request for %q failed, errno=%v", link.Attrs().Name, errno)
 }
-	return int(stats.data[0]), nil
+
+func parseTuntapData(link Link, data []syscall.NetlinkRouteAttr) {
+	tuntap := link.(*Tuntap)
+	for _, datum := range data {
+		switch datum.Attr.Type {
+		case nl.IFLA_TUN_OWNER:
+			tuntap.Owner = native.Uint32(datum.Value)
+		case nl.IFLA_TUN_GROUP:
+			tuntap.Group = native.Uint32(datum.Value)
+		case nl.IFLA_TUN_TYPE:
+			tuntap.Mode = TuntapMode(uint8(datum.Value[0]))
+		case nl.IFLA_TUN_PERSIST:
+			tuntap.NonPersist = false
+			if uint8(datum.Value[0]) == 0 {
+				tuntap.NonPersist = true
+			}
+		}
+	}
+}
+
+func parseIPoIBData(link Link, data []syscall.NetlinkRouteAttr) {
+	ipoib := link.(*IPoIB)
+	for _, datum := range data {
+		switch datum.Attr.Type {
+		case nl.IFLA_IPOIB_PKEY:
+			ipoib.Pkey = uint16(native.Uint16(datum.Value))
+		case nl.IFLA_IPOIB_MODE:
+			ipoib.Mode = IPoIBMode(native.Uint16(datum.Value))
+		case nl.IFLA_IPOIB_UMCAST:
+			ipoib.Umcast = uint16(native.Uint16(datum.Value))
+		}
+	}
+}
+
+func addIPoIBAttrs(ipoib *IPoIB, linkInfo *nl.RtAttr) {
+	data := linkInfo.AddRtAttr(nl.IFLA_INFO_DATA, nil)
+	data.AddRtAttr(nl.IFLA_IPOIB_PKEY, nl.Uint16Attr(uint16(ipoib.Pkey)))
+	data.AddRtAttr(nl.IFLA_IPOIB_MODE, nl.Uint16Attr(uint16(ipoib.Mode)))
+	data.AddRtAttr(nl.IFLA_IPOIB_UMCAST, nl.Uint16Attr(uint16(ipoib.Umcast)))
 }

vendor/github.com/vishvananda/netlink/neigh.go

@@ -17,6 +17,7 @@ type Neigh struct {
 	LLIPAddr     net.IP //Used in the case of NHRP
 	Vlan         int
 	VNI          int
+	MasterIndex  int
 }
 
 // String returns $ip/$hwaddr $label

vendor/github.com/vishvananda/netlink/neigh_linux.go

@@ -1,6 +1,7 @@
 package netlink
 
 import (
+	"fmt"
 	"net"
 	"syscall"
 	"unsafe"
@@ -20,7 +21,10 @@ const (
 	NDA_PORT
 	NDA_VNI
 	NDA_IFINDEX
-	NDA_MAX = NDA_IFINDEX
+	NDA_MASTER
+	NDA_LINK_NETNSID
+	NDA_SRC_VNI
+	NDA_MAX = NDA_SRC_VNI
 )
 
 // Neighbor Cache Entry States.
@@ -45,6 +49,7 @@ const (
 	NTF_ROUTER = 0x80
 )
 
+// Ndmsg is for adding, removing or receiving information about a neighbor table entry
 type Ndmsg struct {
 	Family uint8
 	Index  uint32
@@ -172,45 +177,58 @@ func neighHandle(neigh *Neigh, req *nl.NetlinkRequest) error {
 		req.AddData(vniData)
 	}
 
+	if neigh.MasterIndex != 0 {
+		masterData := nl.NewRtAttr(NDA_MASTER, nl.Uint32Attr(uint32(neigh.MasterIndex)))
+		req.AddData(masterData)
+	}
+
 	_, err := req.Execute(unix.NETLINK_ROUTE, 0)
 	return err
 }
 
-// NeighList gets a list of IP-MAC mappings in the system (ARP table).
+// NeighList returns a list of IP-MAC mappings in the system (ARP table).
 // Equivalent to: `ip neighbor show`.
 // The list can be filtered by link and ip family.
 func NeighList(linkIndex, family int) ([]Neigh, error) {
 	return pkgHandle.NeighList(linkIndex, family)
 }
 
-// NeighProxyList gets a list of neighbor proxies in the system.
+// NeighProxyList returns a list of neighbor proxies in the system.
 // Equivalent to: `ip neighbor show proxy`.
 // The list can be filtered by link and ip family.
 func NeighProxyList(linkIndex, family int) ([]Neigh, error) {
 	return pkgHandle.NeighProxyList(linkIndex, family)
 }
 
-// NeighList gets a list of IP-MAC mappings in the system (ARP table).
+// NeighList returns a list of IP-MAC mappings in the system (ARP table).
 // Equivalent to: `ip neighbor show`.
 // The list can be filtered by link and ip family.
 func (h *Handle) NeighList(linkIndex, family int) ([]Neigh, error) {
-	return h.neighList(linkIndex, family, 0)
+	return h.NeighListExecute(Ndmsg{
+		Family: uint8(family),
+		Index:  uint32(linkIndex),
+	})
 }
 
-// NeighProxyList gets a list of neighbor proxies in the system.
+// NeighProxyList returns a list of neighbor proxies in the system.
 // Equivalent to: `ip neighbor show proxy`.
 // The list can be filtered by link, ip family.
 func (h *Handle) NeighProxyList(linkIndex, family int) ([]Neigh, error) {
-	return h.neighList(linkIndex, family, NTF_PROXY)
+	return h.NeighListExecute(Ndmsg{
-}
-
-func (h *Handle) neighList(linkIndex, family, flags int) ([]Neigh, error) {
-	req := h.newNetlinkRequest(unix.RTM_GETNEIGH, unix.NLM_F_DUMP)
-	msg := Ndmsg{
 		Family: uint8(family),
 		Index:  uint32(linkIndex),
-		Flags:  uint8(flags),
+		Flags:  NTF_PROXY,
+	})
 }
+
+// NeighListExecute returns a list of neighbour entries filtered by link, ip family, flag and state.
+func NeighListExecute(msg Ndmsg) ([]Neigh, error) {
+	return pkgHandle.NeighListExecute(msg)
+}
+
+// NeighListExecute returns a list of neighbour entries filtered by link, ip family, flag and state.
+func (h *Handle) NeighListExecute(msg Ndmsg) ([]Neigh, error) {
+	req := h.newNetlinkRequest(unix.RTM_GETNEIGH, unix.NLM_F_DUMP)
 	req.AddData(&msg)
 
 	msgs, err := req.Execute(unix.NETLINK_ROUTE, unix.RTM_NEWNEIGH)
@@ -221,7 +239,7 @@ func (h *Handle) neighList(linkIndex, family, flags int) ([]Neigh, error) {
 	var res []Neigh
 	for _, m := range msgs {
 		ndm := deserializeNdmsg(m)
-		if linkIndex != 0 && int(ndm.Index) != linkIndex {
+		if msg.Index != 0 && ndm.Index != msg.Index {
 			// Ignore messages from other interfaces
 			continue
 		}
@@ -253,14 +271,6 @@ func NeighDeserialize(m []byte) (*Neigh, error) {
 		return nil, err
 	}
 
-	// This should be cached for perfomance
-	// once per table dump
-	link, err := LinkByIndex(neigh.LinkIndex)
-	if err != nil {
-		return nil, err
-	}
-	encapType := link.Attrs().EncapType
-
 	for _, attr := range attrs {
 		switch attr.Attr.Type {
 		case NDA_DST:
@@ -270,20 +280,25 @@ func NeighDeserialize(m []byte) (*Neigh, error) {
 			// #define RTA_LENGTH(len) (RTA_ALIGN(sizeof(struct rtattr)) + (len))
 			// #define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0))
 			attrLen := attr.Attr.Len - unix.SizeofRtAttr
-			if attrLen == 4 && (encapType == "ipip" ||
+			if attrLen == 4 {
-				encapType == "sit" ||
-				encapType == "gre") {
 				neigh.LLIPAddr = net.IP(attr.Value)
-			} else if attrLen == 16 &&
+			} else if attrLen == 16 {
-				encapType == "tunnel6" {
+				// Can be IPv6 or FireWire HWAddr
+				link, err := LinkByIndex(neigh.LinkIndex)
+				if err == nil && link.Attrs().EncapType == "tunnel6" {
 					neigh.IP = net.IP(attr.Value)
 				} else {
 					neigh.HardwareAddr = net.HardwareAddr(attr.Value)
 				}
+			} else {
+				neigh.HardwareAddr = net.HardwareAddr(attr.Value)
+			}
 		case NDA_VLAN:
 			neigh.Vlan = int(native.Uint16(attr.Value[0:2]))
 		case NDA_VNI:
 			neigh.VNI = int(native.Uint32(attr.Value[0:4]))
+		case NDA_MASTER:
+			neigh.MasterIndex = int(native.Uint32(attr.Value[0:4]))
 		}
 	}
 
@@ -323,6 +338,16 @@ func NeighSubscribeWithOptions(ch chan<- NeighUpdate, done <-chan struct{}, opti
 
 func neighSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- NeighUpdate, done <-chan struct{}, cberr func(error), listExisting bool) error {
 	s, err := nl.SubscribeAt(newNs, curNs, unix.NETLINK_ROUTE, unix.RTNLGRP_NEIGH)
+	makeRequest := func(family int) error {
+		req := pkgHandle.newNetlinkRequest(unix.RTM_GETNEIGH,
+			unix.NLM_F_DUMP)
+		infmsg := nl.NewIfInfomsg(family)
+		req.AddData(infmsg)
+		if err := s.Send(req); err != nil {
+			return err
+		}
+		return nil
+	}
 	if err != nil {
 		return err
 	}
@@ -333,26 +358,41 @@ func neighSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- NeighUpdate, done <
 		}()
 	}
 	if listExisting {
-		req := pkgHandle.newNetlinkRequest(unix.RTM_GETNEIGH,
+		if err := makeRequest(unix.AF_UNSPEC); err != nil {
-			unix.NLM_F_DUMP)
-		infmsg := nl.NewIfInfomsg(unix.AF_UNSPEC)
-		req.AddData(infmsg)
-		if err := s.Send(req); err != nil {
 			return err
 		}
+		// We have to wait for NLMSG_DONE before making AF_BRIDGE request
 	}
 	go func() {
 		defer close(ch)
 		for {
-			msgs, err := s.Receive()
+			msgs, from, err := s.Receive()
 			if err != nil {
 				if cberr != nil {
 					cberr(err)
 				}
 				return
 			}
+			if from.Pid != nl.PidKernel {
+				if cberr != nil {
+					cberr(fmt.Errorf("Wrong sender portid %d, expected %d", from.Pid, nl.PidKernel))
+				}
+				continue
+			}
 			for _, m := range msgs {
 				if m.Header.Type == unix.NLMSG_DONE {
+					if listExisting {
+						// This will be called after handling AF_UNSPEC
+						// list request, we have to wait for NLMSG_DONE
+						// before making another request
+						if err := makeRequest(unix.AF_BRIDGE); err != nil {
+							if cberr != nil {
+								cberr(err)
+							}
+							return
+						}
+						listExisting = false
+					}
 					continue
 				}
 				if m.Header.Type == unix.NLMSG_ERROR {

vendor/github.com/vishvananda/netlink/netlink_unspecified.go

@@ -48,10 +48,18 @@ func LinkSetVfVlan(link Link, vf, vlan int) error {
 	return ErrNotImplemented
 }
 
+func LinkSetVfVlanQos(link Link, vf, vlan, qos int) error {
+	return ErrNotImplemented
+}
+
 func LinkSetVfTxRate(link Link, vf, rate int) error {
 	return ErrNotImplemented
 }
 
+func LinkSetVfRate(link Link, vf, minRate, maxRate int) error {
+	return ErrNotImplemented
+}
+
 func LinkSetNoMaster(link Link) error {
 	return ErrNotImplemented
 }
@@ -152,6 +160,10 @@ func AddrAdd(link Link, addr *Addr) error {
 	return ErrNotImplemented
 }
 
+func AddrReplace(link Link, addr *Addr) error {
+	return ErrNotImplemented
+}
+
 func AddrDel(link Link, addr *Addr) error {
 	return ErrNotImplemented
 }

vendor/github.com/vishvananda/netlink/netns_linux.go

@@ -51,14 +51,14 @@ func SetNetNsIdByPid(pid, nsid int) error {
 	return pkgHandle.SetNetNsIdByPid(pid, nsid)
 }
 
-// GetNetNsIdByPid looks up the network namespace ID for a given fd.
+// GetNetNsIdByFd looks up the network namespace ID for a given fd.
 // fd must be an open file descriptor to a namespace file.
 // Returns -1 if the namespace does not have an ID set.
 func (h *Handle) GetNetNsIdByFd(fd int) (int, error) {
 	return h.getNetNsId(NETNSA_FD, uint32(fd))
 }
 
-// GetNetNsIdByPid looks up the network namespace ID for a given fd.
+// GetNetNsIdByFd looks up the network namespace ID for a given fd.
 // fd must be an open file descriptor to a namespace file.
 // Returns -1 if the namespace does not have an ID set.
 func GetNetNsIdByFd(fd int) (int, error) {

vendor/github.com/vishvananda/netlink/nl/conntrack_linux.go

@@ -79,11 +79,14 @@ const (
 	CTA_TUPLE_ORIG     = 1
 	CTA_TUPLE_REPLY    = 2
 	CTA_STATUS         = 3
+	CTA_PROTOINFO      = 4
 	CTA_TIMEOUT        = 7
 	CTA_MARK           = 8
 	CTA_COUNTERS_ORIG  = 9
 	CTA_COUNTERS_REPLY = 10
-	CTA_PROTOINFO      = 4
+	CTA_USE            = 11
+	CTA_ID             = 12
+	CTA_TIMESTAMP      = 20
 )
 
 // enum ctattr_tuple {
@@ -180,6 +183,14 @@ const (
 	CTA_COUNTERS_BYTES   = 2
 )
 
+// enum CTA TIMESTAMP TLVs
+// CTA_TIMESTAMP_START       /* 64bit value */
+// CTA_TIMESTAMP_STOP        /* 64bit value */
+const (
+	CTA_TIMESTAMP_START = 1
+	CTA_TIMESTAMP_STOP  = 2
+)
+
 // /* General form of address family dependent message.
 //  */
 // struct nfgenmsg {

vendor/github.com/vishvananda/netlink/nl/devlink_linux.go

@@ -0,0 +1,40 @@
+package nl
+
+// All the following constants are coming from:
+// https://github.com/torvalds/linux/blob/master/include/uapi/linux/devlink.h
+
+const (
+	GENL_DEVLINK_VERSION = 1
+	GENL_DEVLINK_NAME    = "devlink"
+)
+
+const (
+	DEVLINK_CMD_GET         = 1
+	DEVLINK_CMD_ESWITCH_GET = 29
+	DEVLINK_CMD_ESWITCH_SET = 30
+)
+
+const (
+	DEVLINK_ATTR_BUS_NAME            = 1
+	DEVLINK_ATTR_DEV_NAME            = 2
+	DEVLINK_ATTR_ESWITCH_MODE        = 25
+	DEVLINK_ATTR_ESWITCH_INLINE_MODE = 26
+	DEVLINK_ATTR_ESWITCH_ENCAP_MODE  = 62
+)
+
+const (
+	DEVLINK_ESWITCH_MODE_LEGACY    = 0
+	DEVLINK_ESWITCH_MODE_SWITCHDEV = 1
+)
+
+const (
+	DEVLINK_ESWITCH_INLINE_MODE_NONE      = 0
+	DEVLINK_ESWITCH_INLINE_MODE_LINK      = 1
+	DEVLINK_ESWITCH_INLINE_MODE_NETWORK   = 2
+	DEVLINK_ESWITCH_INLINE_MODE_TRANSPORT = 3
+)
+
+const (
+	DEVLINK_ESWITCH_ENCAP_MODE_NONE  = 0
+	DEVLINK_ESWITCH_ENCAP_MODE_BASIC = 1
+)

vendor/github.com/vishvananda/netlink/nl/link_linux.go

@@ -13,7 +13,9 @@ const (
 	IFLA_INFO_KIND
 	IFLA_INFO_DATA
 	IFLA_INFO_XSTATS
-	IFLA_INFO_MAX = IFLA_INFO_XSTATS
+	IFLA_INFO_SLAVE_KIND
+	IFLA_INFO_SLAVE_DATA
+	IFLA_INFO_MAX = IFLA_INFO_SLAVE_DATA
 )
 
 const (
@@ -87,7 +89,8 @@ const (
 const (
 	IFLA_IPVLAN_UNSPEC = iota
 	IFLA_IPVLAN_MODE
-	IFLA_IPVLAN_MAX = IFLA_IPVLAN_MODE
+	IFLA_IPVLAN_FLAG
+	IFLA_IPVLAN_MAX = IFLA_IPVLAN_FLAG
 )
 
 const (
@@ -164,6 +167,8 @@ const (
 	IFLA_BOND_SLAVE_PERM_HWADDR
 	IFLA_BOND_SLAVE_QUEUE_ID
 	IFLA_BOND_SLAVE_AD_AGGREGATOR_ID
+	IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE
+	IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE
 )
 
 const (
@@ -573,3 +578,33 @@ const (
 	GTP_ROLE_GGSN = iota
 	GTP_ROLE_SGSN
 )
+
+const (
+	IFLA_XFRM_UNSPEC = iota
+	IFLA_XFRM_LINK
+	IFLA_XFRM_IF_ID
+
+	IFLA_XFRM_MAX = iota - 1
+)
+
+const (
+	IFLA_TUN_UNSPEC = iota
+	IFLA_TUN_OWNER
+	IFLA_TUN_GROUP
+	IFLA_TUN_TYPE
+	IFLA_TUN_PI
+	IFLA_TUN_VNET_HDR
+	IFLA_TUN_PERSIST
+	IFLA_TUN_MULTI_QUEUE
+	IFLA_TUN_NUM_QUEUES
+	IFLA_TUN_NUM_DISABLED_QUEUES
+	IFLA_TUN_MAX = IFLA_TUN_NUM_DISABLED_QUEUES
+)
+
+const (
+	IFLA_IPOIB_UNSPEC = iota
+	IFLA_IPOIB_PKEY
+	IFLA_IPOIB_MODE
+	IFLA_IPOIB_UMCAST
+	IFLA_IPOIB_MAX = IFLA_IPOIB_UMCAST
+)

vendor/github.com/vishvananda/netlink/nl/nl_linux.go

@@ -21,11 +21,13 @@ const (
 	FAMILY_ALL  = unix.AF_UNSPEC
 	FAMILY_V4   = unix.AF_INET
 	FAMILY_V6   = unix.AF_INET6
-	FAMILY_MPLS = AF_MPLS
+	FAMILY_MPLS = unix.AF_MPLS
 	// Arbitrary set value (greater than default 4k) to allow receiving
 	// from kernel more verbose messages e.g. for statistics,
 	// tc rules or filters, or other more memory requiring data.
 	RECEIVE_BUFFER_SIZE = 65536
+	// Kernel netlink pid
+	PidKernel uint32 = 0
 )
 
 // SupportedNlFamilies contains the list of netlink families this netlink package supports
@@ -46,7 +48,7 @@ func GetIPFamily(ip net.IP) int {
 
 var nativeEndian binary.ByteOrder
 
-// Get native endianness for the system
+// NativeEndian gets native endianness for the system
 func NativeEndian() binary.ByteOrder {
 	if nativeEndian == nil {
 		var x uint32 = 0x01020304
@@ -420,10 +422,13 @@ func (req *NetlinkRequest) Execute(sockType int, resType uint16) ([][]byte, erro
 
 done:
 	for {
-		msgs, err := s.Receive()
+		msgs, from, err := s.Receive()
 		if err != nil {
 			return nil, err
 		}
+		if from.Pid != PidKernel {
+			return nil, fmt.Errorf("Wrong sender portid %d, expected %d", from.Pid, PidKernel)
+		}
 		for _, m := range msgs {
 			if m.Header.Seq != req.Seq {
 				if sharedSocket {
@@ -432,7 +437,7 @@ done:
 				return nil, fmt.Errorf("Wrong Seq nr %d, expected %d", m.Header.Seq, req.Seq)
 			}
 			if m.Header.Pid != pid {
-				return nil, fmt.Errorf("Wrong pid %d, expected %d", m.Header.Pid, pid)
+				continue
 			}
 			if m.Header.Type == unix.NLMSG_DONE {
 				break done
@@ -617,21 +622,31 @@ func (s *NetlinkSocket) Send(request *NetlinkRequest) error {
 	return nil
 }
 
-func (s *NetlinkSocket) Receive() ([]syscall.NetlinkMessage, error) {
+func (s *NetlinkSocket) Receive() ([]syscall.NetlinkMessage, *unix.SockaddrNetlink, error) {
 	fd := int(atomic.LoadInt32(&s.fd))
 	if fd < 0 {
-		return nil, fmt.Errorf("Receive called on a closed socket")
+		return nil, nil, fmt.Errorf("Receive called on a closed socket")
 	}
-	rb := make([]byte, RECEIVE_BUFFER_SIZE)
+	var fromAddr *unix.SockaddrNetlink
-	nr, _, err := unix.Recvfrom(fd, rb, 0)
+	var rb [RECEIVE_BUFFER_SIZE]byte
+	nr, from, err := unix.Recvfrom(fd, rb[:], 0)
 	if err != nil {
-		return nil, err
+		return nil, nil, err
+	}
+	fromAddr, ok := from.(*unix.SockaddrNetlink)
+	if !ok {
+		return nil, nil, fmt.Errorf("Error converting to netlink sockaddr")
 	}
 	if nr < unix.NLMSG_HDRLEN {
-		return nil, fmt.Errorf("Got short response from netlink")
+		return nil, nil, fmt.Errorf("Got short response from netlink")
 	}
-	rb = rb[:nr]
+	rb2 := make([]byte, nr)
-	return syscall.ParseNetlinkMessage(rb)
+	copy(rb2, rb[:nr])
+	nl, err := syscall.ParseNetlinkMessage(rb2)
+	if err != nil {
+		return nil, nil, err
+	}
+	return nl, fromAddr, nil
 }
 
 // SetSendTimeout allows to set a send timeout on the socket

vendor/github.com/vishvananda/netlink/nl/rdma_link_linux.go

@@ -11,6 +11,8 @@ const (
 const (
 	RDMA_NLDEV_CMD_GET     = 1
 	RDMA_NLDEV_CMD_SET     = 2
+	RDMA_NLDEV_CMD_SYS_GET = 6
+	RDMA_NLDEV_CMD_SYS_SET = 7
 )
 
 const (
@@ -28,4 +30,6 @@ const (
 	RDMA_NLDEV_ATTR_PORT_STATE      = 12
 	RDMA_NLDEV_ATTR_PORT_PHYS_STATE = 13
 	RDMA_NLDEV_ATTR_DEV_NODE_TYPE   = 14
+	RDMA_NLDEV_SYS_ATTR_NETNS_MODE  = 66
+	RDMA_NLDEV_NET_NS_FD            = 68
 )

vendor/github.com/vishvananda/netlink/nl/syscall.go

@@ -42,16 +42,6 @@ const (
 	TCPDIAG_NOCOOKIE    = 0xFFFFFFFF /* TCPDIAG_NOCOOKIE in net/ipv4/tcp_diag.h*/
 )
 
-const (
-	AF_MPLS = 28
-)
-
-const (
-	RTA_NEWDST     = 0x13
-	RTA_ENCAP_TYPE = 0x15
-	RTA_ENCAP      = 0x16
-)
-
 // RTA_ENCAP subtype
 const (
 	MPLS_IPTUNNEL_UNSPEC = iota

vendor/github.com/vishvananda/netlink/nl/tc_linux.go

@@ -89,7 +89,10 @@ const (
 	SizeofTcU32Key       = 0x10
 	SizeofTcU32Sel       = 0x10 // without keys
 	SizeofTcGen          = 0x14
+	SizeofTcConnmark     = SizeofTcGen + 0x04
 	SizeofTcMirred       = SizeofTcGen + 0x08
+	SizeofTcTunnelKey    = SizeofTcGen + 0x04
+	SizeofTcSkbEdit      = SizeofTcGen
 	SizeofTcPolice       = 2*SizeofTcRateSpec + 0x20
 )
 
@@ -647,11 +650,47 @@ const (
 	TCA_BPF_FD
 	TCA_BPF_NAME
 	TCA_BPF_FLAGS
-	TCA_BPF_MAX = TCA_BPF_FLAGS
+	TCA_BPF_FLAGS_GEN
+	TCA_BPF_TAG
+	TCA_BPF_ID
+	TCA_BPF_MAX = TCA_BPF_ID
 )
 
 type TcBpf TcGen
 
+const (
+	TCA_ACT_CONNMARK = 14
+)
+
+const (
+	TCA_CONNMARK_UNSPEC = iota
+	TCA_CONNMARK_PARMS
+	TCA_CONNMARK_TM
+	TCA_CONNMARK_MAX = TCA_CONNMARK_TM
+)
+
+// struct tc_connmark {
+//   tc_gen;
+//   __u16 zone;
+// };
+
+type TcConnmark struct {
+	TcGen
+	Zone uint16
+}
+
+func (msg *TcConnmark) Len() int {
+	return SizeofTcConnmark
+}
+
+func DeserializeTcConnmark(b []byte) *TcConnmark {
+	return (*TcConnmark)(unsafe.Pointer(&b[0:SizeofTcConnmark][0]))
+}
+
+func (x *TcConnmark) Serialize() []byte {
+	return (*(*[SizeofTcConnmark]byte)(unsafe.Pointer(x)))[:]
+}
+
 const (
 	TCA_ACT_MIRRED = 8
 )
@@ -687,6 +726,63 @@ func (x *TcMirred) Serialize() []byte {
 	return (*(*[SizeofTcMirred]byte)(unsafe.Pointer(x)))[:]
 }
 
+const (
+	TCA_TUNNEL_KEY_UNSPEC = iota
+	TCA_TUNNEL_KEY_TM
+	TCA_TUNNEL_KEY_PARMS
+	TCA_TUNNEL_KEY_ENC_IPV4_SRC
+	TCA_TUNNEL_KEY_ENC_IPV4_DST
+	TCA_TUNNEL_KEY_ENC_IPV6_SRC
+	TCA_TUNNEL_KEY_ENC_IPV6_DST
+	TCA_TUNNEL_KEY_ENC_KEY_ID
+	TCA_TUNNEL_KEY_MAX = TCA_TUNNEL_KEY_ENC_KEY_ID
+)
+
+type TcTunnelKey struct {
+	TcGen
+	Action int32
+}
+
+func (x *TcTunnelKey) Len() int {
+	return SizeofTcTunnelKey
+}
+
+func DeserializeTunnelKey(b []byte) *TcTunnelKey {
+	return (*TcTunnelKey)(unsafe.Pointer(&b[0:SizeofTcTunnelKey][0]))
+}
+
+func (x *TcTunnelKey) Serialize() []byte {
+	return (*(*[SizeofTcTunnelKey]byte)(unsafe.Pointer(x)))[:]
+}
+
+const (
+	TCA_SKBEDIT_UNSPEC = iota
+	TCA_SKBEDIT_TM
+	TCA_SKBEDIT_PARMS
+	TCA_SKBEDIT_PRIORITY
+	TCA_SKBEDIT_QUEUE_MAPPING
+	TCA_SKBEDIT_MARK
+	TCA_SKBEDIT_PAD
+	TCA_SKBEDIT_PTYPE
+	TCA_SKBEDIT_MAX = TCA_SKBEDIT_MARK
+)
+
+type TcSkbEdit struct {
+	TcGen
+}
+
+func (x *TcSkbEdit) Len() int {
+	return SizeofTcSkbEdit
+}
+
+func DeserializeSkbEdit(b []byte) *TcSkbEdit {
+	return (*TcSkbEdit)(unsafe.Pointer(&b[0:SizeofTcSkbEdit][0]))
+}
+
+func (x *TcSkbEdit) Serialize() []byte {
+	return (*(*[SizeofTcSkbEdit]byte)(unsafe.Pointer(x)))[:]
+}
+
 // struct tc_police {
 // 	__u32			index;
 // 	int			action;

vendor/github.com/vishvananda/netlink/nl/xfrm_linux.go

@@ -50,34 +50,44 @@ const (
 // Attribute types
 const (
 	/* Netlink message attributes.  */
-	XFRMA_UNSPEC         = 0x00
+	XFRMA_UNSPEC    = iota
-	XFRMA_ALG_AUTH       = 0x01 /* struct xfrm_algo */
+	XFRMA_ALG_AUTH  /* struct xfrm_algo */
-	XFRMA_ALG_CRYPT      = 0x02 /* struct xfrm_algo */
+	XFRMA_ALG_CRYPT /* struct xfrm_algo */
-	XFRMA_ALG_COMP       = 0x03 /* struct xfrm_algo */
+	XFRMA_ALG_COMP  /* struct xfrm_algo */
-	XFRMA_ENCAP          = 0x04 /* struct xfrm_algo + struct xfrm_encap_tmpl */
+	XFRMA_ENCAP     /* struct xfrm_algo + struct xfrm_encap_tmpl */
-	XFRMA_TMPL           = 0x05 /* 1 or more struct xfrm_user_tmpl */
+	XFRMA_TMPL      /* 1 or more struct xfrm_user_tmpl */
-	XFRMA_SA             = 0x06 /* struct xfrm_usersa_info  */
+	XFRMA_SA        /* struct xfrm_usersa_info  */
-	XFRMA_POLICY         = 0x07 /* struct xfrm_userpolicy_info */
+	XFRMA_POLICY    /* struct xfrm_userpolicy_info */
-	XFRMA_SEC_CTX        = 0x08 /* struct xfrm_sec_ctx */
+	XFRMA_SEC_CTX   /* struct xfrm_sec_ctx */
-	XFRMA_LTIME_VAL      = 0x09
+	XFRMA_LTIME_VAL
-	XFRMA_REPLAY_VAL     = 0x0a
+	XFRMA_REPLAY_VAL
-	XFRMA_REPLAY_THRESH  = 0x0b
+	XFRMA_REPLAY_THRESH
-	XFRMA_ETIMER_THRESH  = 0x0c
+	XFRMA_ETIMER_THRESH
-	XFRMA_SRCADDR        = 0x0d /* xfrm_address_t */
+	XFRMA_SRCADDR     /* xfrm_address_t */
-	XFRMA_COADDR         = 0x0e /* xfrm_address_t */
+	XFRMA_COADDR      /* xfrm_address_t */
-	XFRMA_LASTUSED       = 0x0f /* unsigned long  */
+	XFRMA_LASTUSED    /* unsigned long  */
-	XFRMA_POLICY_TYPE    = 0x10 /* struct xfrm_userpolicy_type */
+	XFRMA_POLICY_TYPE /* struct xfrm_userpolicy_type */
-	XFRMA_MIGRATE        = 0x11
+	XFRMA_MIGRATE
-	XFRMA_ALG_AEAD       = 0x12 /* struct xfrm_algo_aead */
+	XFRMA_ALG_AEAD       /* struct xfrm_algo_aead */
-	XFRMA_KMADDRESS      = 0x13 /* struct xfrm_user_kmaddress */
+	XFRMA_KMADDRESS      /* struct xfrm_user_kmaddress */
-	XFRMA_ALG_AUTH_TRUNC = 0x14 /* struct xfrm_algo_auth */
+	XFRMA_ALG_AUTH_TRUNC /* struct xfrm_algo_auth */
-	XFRMA_MARK           = 0x15 /* struct xfrm_mark */
+	XFRMA_MARK           /* struct xfrm_mark */
-	XFRMA_TFCPAD         = 0x16 /* __u32 */
+	XFRMA_TFCPAD         /* __u32 */
-	XFRMA_REPLAY_ESN_VAL = 0x17 /* struct xfrm_replay_esn */
+	XFRMA_REPLAY_ESN_VAL /* struct xfrm_replay_esn */
-	XFRMA_SA_EXTRA_FLAGS = 0x18 /* __u32 */
+	XFRMA_SA_EXTRA_FLAGS /* __u32 */
-	XFRMA_MAX            = 0x18
+	XFRMA_PROTO          /* __u8 */
+	XFRMA_ADDRESS_FILTER /* struct xfrm_address_filter */
+	XFRMA_PAD
+	XFRMA_OFFLOAD_DEV   /* struct xfrm_state_offload */
+	XFRMA_SET_MARK      /* __u32 */
+	XFRMA_SET_MARK_MASK /* __u32 */
+	XFRMA_IF_ID         /* __u32 */
+
+	XFRMA_MAX = iota - 1
 )
 
+const XFRMA_OUTPUT_MARK = XFRMA_SET_MARK
+
 const (
 	SizeofXfrmAddress     = 0x10
 	SizeofXfrmSelector    = 0x38

vendor/github.com/vishvananda/netlink/qdisc.go

@@ -285,7 +285,7 @@ type Fq struct {
 
 func (fq *Fq) String() string {
 	return fmt.Sprintf(
-		"{PacketLimit: %v, FlowPacketLimit: %v, Quantum: %v, InitalQuantum: %v, Pacing: %v, FlowDefaultRate: %v, FlowMaxRate: %v, Buckets: %v, FlowRefillDelay: %v,  LowRateTreshold: %v}",
+		"{PacketLimit: %v, FlowPacketLimit: %v, Quantum: %v, InitialQuantum: %v, Pacing: %v, FlowDefaultRate: %v, FlowMaxRate: %v, Buckets: %v, FlowRefillDelay: %v,  LowRateThreshold: %v}",
 		fq.PacketLimit, fq.FlowPacketLimit, fq.Quantum, fq.InitialQuantum, fq.Pacing, fq.FlowDefaultRate, fq.FlowMaxRate, fq.Buckets, fq.FlowRefillDelay, fq.LowRateThreshold,
 	)
 }

vendor/github.com/vishvananda/netlink/rdma_link_linux.go

@@ -143,3 +143,122 @@ func (h *Handle) RdmaLinkSetName(link *RdmaLink, name string) error {
 
 	return execRdmaSetLink(req)
 }
+
+func netnsModeToString(mode uint8) string {
+	switch mode {
+	case 0:
+		return "exclusive"
+	case 1:
+		return "shared"
+	default:
+		return "unknown"
+	}
+}
+
+func executeOneGetRdmaNetnsMode(data []byte) (string, error) {
+	reader := bytes.NewReader(data)
+	for reader.Len() >= 4 {
+		_, attrType, len, value := parseNfAttrTLV(reader)
+
+		switch attrType {
+		case nl.RDMA_NLDEV_SYS_ATTR_NETNS_MODE:
+			var mode uint8
+			r := bytes.NewReader(value)
+			binary.Read(r, nl.NativeEndian(), &mode)
+			return netnsModeToString(mode), nil
+		}
+		if (len % 4) != 0 {
+			// Skip pad bytes
+			reader.Seek(int64(4-(len%4)), seekCurrent)
+		}
+	}
+	return "", fmt.Errorf("Invalid netns mode")
+}
+
+// RdmaSystemGetNetnsMode gets the net namespace mode for RDMA subsystem
+// Returns mode string and error status as nil on success or returns error
+// otherwise.
+// Equivalent to: `rdma system show netns'
+func RdmaSystemGetNetnsMode() (string, error) {
+	return pkgHandle.RdmaSystemGetNetnsMode()
+}
+
+// RdmaSystemGetNetnsMode gets the net namespace mode for RDMA subsystem
+// Returns mode string and error status as nil on success or returns error
+// otherwise.
+// Equivalent to: `rdma system show netns'
+func (h *Handle) RdmaSystemGetNetnsMode() (string, error) {
+
+	proto := getProtoField(nl.RDMA_NL_NLDEV, nl.RDMA_NLDEV_CMD_SYS_GET)
+	req := h.newNetlinkRequest(proto, unix.NLM_F_ACK)
+
+	msgs, err := req.Execute(unix.NETLINK_RDMA, 0)
+	if err != nil {
+		return "", err
+	}
+	if len(msgs) == 0 {
+		return "", fmt.Errorf("No valid response from kernel")
+	}
+	return executeOneGetRdmaNetnsMode(msgs[0])
+}
+
+func netnsModeStringToUint8(mode string) (uint8, error) {
+	switch mode {
+	case "exclusive":
+		return 0, nil
+	case "shared":
+		return 1, nil
+	default:
+		return 0, fmt.Errorf("Invalid mode; %q", mode)
+	}
+}
+
+// RdmaSystemSetNetnsMode sets the net namespace mode for RDMA subsystem
+// Returns nil on success or appropriate error code.
+// Equivalent to: `rdma system set netns { shared | exclusive }'
+func RdmaSystemSetNetnsMode(NewMode string) error {
+	return pkgHandle.RdmaSystemSetNetnsMode(NewMode)
+}
+
+// RdmaSystemSetNetnsMode sets the net namespace mode for RDMA subsystem
+// Returns nil on success or appropriate error code.
+// Equivalent to: `rdma system set netns { shared | exclusive }'
+func (h *Handle) RdmaSystemSetNetnsMode(NewMode string) error {
+	value, err := netnsModeStringToUint8(NewMode)
+	if err != nil {
+		return err
+	}
+
+	proto := getProtoField(nl.RDMA_NL_NLDEV, nl.RDMA_NLDEV_CMD_SYS_SET)
+	req := h.newNetlinkRequest(proto, unix.NLM_F_ACK)
+
+	data := nl.NewRtAttr(nl.RDMA_NLDEV_SYS_ATTR_NETNS_MODE, []byte{value})
+	req.AddData(data)
+
+	_, err = req.Execute(unix.NETLINK_RDMA, 0)
+	return err
+}
+
+// RdmaLinkSetNsFd puts the RDMA device into a new network namespace. The
+// fd must be an open file descriptor to a network namespace.
+// Similar to: `rdma dev set $dev netns $ns`
+func RdmaLinkSetNsFd(link *RdmaLink, fd uint32) error {
+	return pkgHandle.RdmaLinkSetNsFd(link, fd)
+}
+
+// RdmaLinkSetNsFd puts the RDMA device into a new network namespace. The
+// fd must be an open file descriptor to a network namespace.
+// Similar to: `rdma dev set $dev netns $ns`
+func (h *Handle) RdmaLinkSetNsFd(link *RdmaLink, fd uint32) error {
+	proto := getProtoField(nl.RDMA_NL_NLDEV, nl.RDMA_NLDEV_CMD_SET)
+	req := h.newNetlinkRequest(proto, unix.NLM_F_ACK)
+
+	data := nl.NewRtAttr(nl.RDMA_NLDEV_ATTR_DEV_INDEX,
+		nl.Uint32Attr(link.Attrs.Index))
+	req.AddData(data)
+
+	data = nl.NewRtAttr(nl.RDMA_NLDEV_NET_NS_FD, nl.Uint32Attr(fd))
+	req.AddData(data)
+
+	return execRdmaSetLink(req)
+}

vendor/github.com/vishvananda/netlink/route_linux.go

@@ -261,7 +261,7 @@ func (e *SEG6Encap) Equal(x Encap) bool {
 	return true
 }
 
-// SEG6Local definitions
+// SEG6LocalEncap definitions
 type SEG6LocalEncap struct {
 	Flags    [nl.SEG6_LOCAL_MAX]bool
 	Action   int
@@ -519,18 +519,18 @@ func (h *Handle) routeHandle(route *Route, req *nl.NetlinkRequest, msg *nl.RtMsg
 		if err != nil {
 			return err
 		}
-		rtAttrs = append(rtAttrs, nl.NewRtAttr(nl.RTA_NEWDST, buf))
+		rtAttrs = append(rtAttrs, nl.NewRtAttr(unix.RTA_NEWDST, buf))
 	}
 
 	if route.Encap != nil {
 		buf := make([]byte, 2)
 		native.PutUint16(buf, uint16(route.Encap.Type()))
-		rtAttrs = append(rtAttrs, nl.NewRtAttr(nl.RTA_ENCAP_TYPE, buf))
+		rtAttrs = append(rtAttrs, nl.NewRtAttr(unix.RTA_ENCAP_TYPE, buf))
 		buf, err := route.Encap.Encode()
 		if err != nil {
 			return err
 		}
-		rtAttrs = append(rtAttrs, nl.NewRtAttr(nl.RTA_ENCAP, buf))
+		rtAttrs = append(rtAttrs, nl.NewRtAttr(unix.RTA_ENCAP, buf))
 	}
 
 	if route.Src != nil {
@@ -594,17 +594,17 @@ func (h *Handle) routeHandle(route *Route, req *nl.NetlinkRequest, msg *nl.RtMsg
 				if err != nil {
 					return err
 				}
-				children = append(children, nl.NewRtAttr(nl.RTA_NEWDST, buf))
+				children = append(children, nl.NewRtAttr(unix.RTA_NEWDST, buf))
 			}
 			if nh.Encap != nil {
 				buf := make([]byte, 2)
 				native.PutUint16(buf, uint16(nh.Encap.Type()))
-				rtAttrs = append(rtAttrs, nl.NewRtAttr(nl.RTA_ENCAP_TYPE, buf))
+				children = append(children, nl.NewRtAttr(unix.RTA_ENCAP_TYPE, buf))
 				buf, err := nh.Encap.Encode()
 				if err != nil {
 					return err
 				}
-				children = append(children, nl.NewRtAttr(nl.RTA_ENCAP, buf))
+				children = append(children, nl.NewRtAttr(unix.RTA_ENCAP, buf))
 			}
 			rtnh.Children = children
 			buf = append(buf, rtnh.Serialize()...)
@@ -839,7 +839,7 @@ func deserializeRoute(m []byte) (Route, error) {
 					switch attr.Attr.Type {
 					case unix.RTA_GATEWAY:
 						info.Gw = net.IP(attr.Value)
-					case nl.RTA_NEWDST:
+					case unix.RTA_NEWDST:
 						var d Destination
 						switch msg.Family {
 						case nl.FAMILY_MPLS:
@@ -849,9 +849,9 @@ func deserializeRoute(m []byte) (Route, error) {
 							return nil, nil, err
 						}
 						info.NewDst = d
-					case nl.RTA_ENCAP_TYPE:
+					case unix.RTA_ENCAP_TYPE:
 						encapType = attr
-					case nl.RTA_ENCAP:
+					case unix.RTA_ENCAP:
 						encap = attr
 					}
 				}
@@ -880,7 +880,7 @@ func deserializeRoute(m []byte) (Route, error) {
 				route.MultiPath = append(route.MultiPath, info)
 				rest = buf
 			}
-		case nl.RTA_NEWDST:
+		case unix.RTA_NEWDST:
 			var d Destination
 			switch msg.Family {
 			case nl.FAMILY_MPLS:
@@ -890,9 +890,9 @@ func deserializeRoute(m []byte) (Route, error) {
 				return route, err
 			}
 			route.NewDst = d
-		case nl.RTA_ENCAP_TYPE:
+		case unix.RTA_ENCAP_TYPE:
 			encapType = attr
-		case nl.RTA_ENCAP:
+		case unix.RTA_ENCAP:
 			encap = attr
 		case unix.RTA_METRICS:
 			metrics, err := nl.ParseRouteAttr(attr.Value)
@@ -1037,13 +1037,19 @@ func routeSubscribeAt(newNs, curNs netns.NsHandle, ch chan<- RouteUpdate, done <
 	go func() {
 		defer close(ch)
 		for {
-			msgs, err := s.Receive()
+			msgs, from, err := s.Receive()
 			if err != nil {
 				if cberr != nil {
 					cberr(err)
 				}
 				return
 			}
+			if from.Pid != nl.PidKernel {
+				if cberr != nil {
+					cberr(fmt.Errorf("Wrong sender portid %d, expected %d", from.Pid, nl.PidKernel))
+				}
+				continue
+			}
 			for _, m := range msgs {
 				if m.Header.Type == unix.NLMSG_DONE {
 					continue

vendor/github.com/vishvananda/netlink/rule_linux.go

@@ -144,7 +144,7 @@ func ruleHandle(rule *Rule, req *nl.NetlinkRequest) error {
 		req.AddData(nl.NewRtAttr(nl.FRA_OIFNAME, []byte(rule.OifName)))
 	}
 	if rule.Goto >= 0 {
-		msg.Type = nl.FR_ACT_NOP
+		msg.Type = nl.FR_ACT_GOTO
 		b := make([]byte, 4)
 		native.PutUint32(b, uint32(rule.Goto))
 		req.AddData(nl.NewRtAttr(nl.FRA_GOTO, b))

vendor/github.com/vishvananda/netlink/socket_linux.go

@@ -141,10 +141,13 @@ func SocketGet(local, remote net.Addr) (*Socket, error) {
 		},
 	})
 	s.Send(req)
-	msgs, err := s.Receive()
+	msgs, from, err := s.Receive()
 	if err != nil {
 		return nil, err
 	}
+	if from.Pid != nl.PidKernel {
+		return nil, fmt.Errorf("Wrong sender portid %d, expected %d", from.Pid, nl.PidKernel)
+	}
 	if len(msgs) == 0 {
 		return nil, errors.New("no message nor error from netlink")
 	}

vendor/github.com/vishvananda/netlink/xfrm_monitor_linux.go

@@ -54,11 +54,15 @@ func XfrmMonitor(ch chan<- XfrmMsg, done <-chan struct{}, errorChan chan<- error
 	go func() {
 		defer close(ch)
 		for {
-			msgs, err := s.Receive()
+			msgs, from, err := s.Receive()
 			if err != nil {
 				errorChan <- err
 				return
 			}
+			if from.Pid != nl.PidKernel {
+				errorChan <- fmt.Errorf("Wrong sender portid %d, expected %d", from.Pid, nl.PidKernel)
+				return
+			}
 			for _, m := range msgs {
 				switch m.Header.Type {
 				case nl.XFRM_MSG_EXPIRE:

vendor/github.com/vishvananda/netlink/xfrm_policy.go

@@ -85,11 +85,12 @@ type XfrmPolicy struct {
 	Index    int
 	Action   PolicyAction
 	Ifindex  int
+	Ifid     int
 	Mark     *XfrmMark
 	Tmpls    []XfrmPolicyTmpl
 }
 
 func (p XfrmPolicy) String() string {
-	return fmt.Sprintf("{Dst: %v, Src: %v, Proto: %s, DstPort: %d, SrcPort: %d, Dir: %s, Priority: %d, Index: %d, Action: %s, Ifindex: %d, Mark: %s, Tmpls: %s}",
+	return fmt.Sprintf("{Dst: %v, Src: %v, Proto: %s, DstPort: %d, SrcPort: %d, Dir: %s, Priority: %d, Index: %d, Action: %s, Ifindex: %d, Ifid: %d, Mark: %s, Tmpls: %s}",
-		p.Dst, p.Src, p.Proto, p.DstPort, p.SrcPort, p.Dir, p.Priority, p.Index, p.Action, p.Ifindex, p.Mark, p.Tmpls)
+		p.Dst, p.Src, p.Proto, p.DstPort, p.SrcPort, p.Dir, p.Priority, p.Index, p.Action, p.Ifindex, p.Ifid, p.Mark, p.Tmpls)
 }

vendor/github.com/vishvananda/netlink/xfrm_policy_linux.go

@@ -92,6 +92,9 @@ func (h *Handle) xfrmPolicyAddOrUpdate(policy *XfrmPolicy, nlProto int) error {
 		req.AddData(out)
 	}
 
+	ifId := nl.NewRtAttr(nl.XFRMA_IF_ID, nl.Uint32Attr(uint32(policy.Ifid)))
+	req.AddData(ifId)
+
 	_, err := req.Execute(unix.NETLINK_XFRM, 0)
 	return err
 }
@@ -185,6 +188,9 @@ func (h *Handle) xfrmPolicyGetOrDelete(policy *XfrmPolicy, nlProto int) (*XfrmPo
 		req.AddData(out)
 	}
 
+	ifId := nl.NewRtAttr(nl.XFRMA_IF_ID, nl.Uint32Attr(uint32(policy.Ifid)))
+	req.AddData(ifId)
+
 	resType := nl.XFRM_MSG_NEWPOLICY
 	if nlProto == nl.XFRM_MSG_DELPOLICY {
 		resType = 0
@@ -248,6 +254,8 @@ func parseXfrmPolicy(m []byte, family int) (*XfrmPolicy, error) {
 			policy.Mark = new(XfrmMark)
 			policy.Mark.Value = mark.Value
 			policy.Mark.Mask = mark.Mask
+		case nl.XFRMA_IF_ID:
+			policy.Ifid = int(native.Uint32(attr.Value))
 		}
 	}
 

vendor/github.com/vishvananda/netlink/xfrm_state.go

@@ -94,6 +94,8 @@ type XfrmState struct {
 	Limits       XfrmStateLimits
 	Statistics   XfrmStateStats
 	Mark         *XfrmMark
+	OutputMark   int
+	Ifid         int
 	Auth         *XfrmStateAlgo
 	Crypt        *XfrmStateAlgo
 	Aead         *XfrmStateAlgo
@@ -102,8 +104,8 @@ type XfrmState struct {
 }
 
 func (sa XfrmState) String() string {
-	return fmt.Sprintf("Dst: %v, Src: %v, Proto: %s, Mode: %s, SPI: 0x%x, ReqID: 0x%x, ReplayWindow: %d, Mark: %v, Auth: %v, Crypt: %v, Aead: %v, Encap: %v, ESN: %t",
+	return fmt.Sprintf("Dst: %v, Src: %v, Proto: %s, Mode: %s, SPI: 0x%x, ReqID: 0x%x, ReplayWindow: %d, Mark: %v, OutputMark: %d, Ifid: %d, Auth: %v, Crypt: %v, Aead: %v, Encap: %v, ESN: %t",
-		sa.Dst, sa.Src, sa.Proto, sa.Mode, sa.Spi, sa.Reqid, sa.ReplayWindow, sa.Mark, sa.Auth, sa.Crypt, sa.Aead, sa.Encap, sa.ESN)
+		sa.Dst, sa.Src, sa.Proto, sa.Mode, sa.Spi, sa.Reqid, sa.ReplayWindow, sa.Mark, sa.OutputMark, sa.Ifid, sa.Auth, sa.Crypt, sa.Aead, sa.Encap, sa.ESN)
 }
 func (sa XfrmState) Print(stats bool) string {
 	if !stats {

vendor/github.com/vishvananda/netlink/xfrm_state_linux.go

@@ -158,6 +158,13 @@ func (h *Handle) xfrmStateAddOrUpdate(state *XfrmState, nlProto int) error {
 		out := nl.NewRtAttr(nl.XFRMA_REPLAY_ESN_VAL, writeReplayEsn(state.ReplayWindow))
 		req.AddData(out)
 	}
+	if state.OutputMark != 0 {
+		out := nl.NewRtAttr(nl.XFRMA_OUTPUT_MARK, nl.Uint32Attr(uint32(state.OutputMark)))
+		req.AddData(out)
+	}
+
+	ifId := nl.NewRtAttr(nl.XFRMA_IF_ID, nl.Uint32Attr(uint32(state.Ifid)))
+	req.AddData(ifId)
 
 	_, err := req.Execute(unix.NETLINK_XFRM, 0)
 	return err
@@ -270,6 +277,9 @@ func (h *Handle) xfrmStateGetOrDelete(state *XfrmState, nlProto int) (*XfrmState
 		req.AddData(out)
 	}
 
+	ifId := nl.NewRtAttr(nl.XFRMA_IF_ID, nl.Uint32Attr(uint32(state.Ifid)))
+	req.AddData(ifId)
+
 	resType := nl.XFRM_MSG_NEWSA
 	if nlProto == nl.XFRM_MSG_DELSA {
 		resType = 0
@@ -367,6 +377,10 @@ func parseXfrmState(m []byte, family int) (*XfrmState, error) {
 			state.Mark = new(XfrmMark)
 			state.Mark.Value = mark.Value
 			state.Mark.Mask = mark.Mask
+		case nl.XFRMA_OUTPUT_MARK:
+			state.OutputMark = int(native.Uint32(attr.Value))
+		case nl.XFRMA_IF_ID:
+			state.Ifid = int(native.Uint32(attr.Value))
 		}
 	}
 

vendor/github.com/vishvananda/netns/README.md

@@ -37,7 +37,6 @@ func main() {
 
     // Create a new network namespace
     newns, _ := netns.New()
-    netns.Set(newns)
     defer newns.Close()
 
     // Do something with the network namespace

vendor/github.com/vishvananda/netns/go.mod

@@ -0,0 +1,5 @@
+module github.com/vishvananda/netns
+
+go 1.12
+
+require golang.org/x/sys v0.0.0-20200217220822-9197077df867

vendor/github.com/vishvananda/netns/go.sum

@@ -0,0 +1,2 @@
+golang.org/x/sys v0.0.0-20200217220822-9197077df867 h1:JoRuNIf+rpHl+VhScRQQvzbHed86tKkqwPMV34T8myw=
+golang.org/x/sys v0.0.0-20200217220822-9197077df867/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=

vendor/github.com/vishvananda/netns/netns.go

@@ -10,7 +10,8 @@ package netns
 
 import (
 	"fmt"
-	"syscall"
+
+	"golang.org/x/sys/unix"
 )
 
 // NsHandle is a handle to a network namespace. It can be cast directly
@@ -24,11 +25,11 @@ func (ns NsHandle) Equal(other NsHandle) bool {
 	if ns == other {
 		return true
 	}
-	var s1, s2 syscall.Stat_t
+	var s1, s2 unix.Stat_t
-	if err := syscall.Fstat(int(ns), &s1); err != nil {
+	if err := unix.Fstat(int(ns), &s1); err != nil {
 		return false
 	}
-	if err := syscall.Fstat(int(other), &s2); err != nil {
+	if err := unix.Fstat(int(other), &s2); err != nil {
 		return false
 	}
 	return (s1.Dev == s2.Dev) && (s1.Ino == s2.Ino)
@@ -36,11 +37,11 @@ func (ns NsHandle) Equal(other NsHandle) bool {
 
 // String shows the file descriptor number and its dev and inode.
 func (ns NsHandle) String() string {
-	var s syscall.Stat_t
 	if ns == -1 {
 		return "NS(None)"
 	}
-	if err := syscall.Fstat(int(ns), &s); err != nil {
+	var s unix.Stat_t
+	if err := unix.Fstat(int(ns), &s); err != nil {
 		return fmt.Sprintf("NS(%d: unknown)", ns)
 	}
 	return fmt.Sprintf("NS(%d: %d, %d)", ns, s.Dev, s.Ino)
@@ -49,11 +50,11 @@ func (ns NsHandle) String() string {
 // UniqueId returns a string which uniquely identifies the namespace
 // associated with the network handle.
 func (ns NsHandle) UniqueId() string {
-	var s syscall.Stat_t
 	if ns == -1 {
 		return "NS(none)"
 	}
-	if err := syscall.Fstat(int(ns), &s); err != nil {
+	var s unix.Stat_t
+	if err := unix.Fstat(int(ns), &s); err != nil {
 		return "NS(unknown)"
 	}
 	return fmt.Sprintf("NS(%d:%d)", s.Dev, s.Ino)
@@ -67,7 +68,7 @@ func (ns NsHandle) IsOpen() bool {
 // Close closes the NsHandle and resets its file descriptor to -1.
 // It is not safe to use an NsHandle after Close() is called.
 func (ns *NsHandle) Close() error {
-	if err := syscall.Close(int(*ns)); err != nil {
+	if err := unix.Close(int(*ns)); err != nil {
 		return err
 	}
 	(*ns) = -1

vendor/github.com/vishvananda/netns/netns_linux.go

@@ -6,25 +6,14 @@ import (
 	"fmt"
 	"io/ioutil"
 	"os"
+	"path"
 	"path/filepath"
-	"runtime"
 	"strconv"
 	"strings"
 	"syscall"
-)
 
-// SYS_SETNS syscall allows changing the namespace of the current process.
+	"golang.org/x/sys/unix"
-var SYS_SETNS = map[string]uintptr{
+)
-	"386":     346,
-	"amd64":   308,
-	"arm64":   268,
-	"arm":     375,
-	"mips":    4344,
-	"mipsle":  4344,
-	"ppc64":   350,
-	"ppc64le": 350,
-	"s390x":   339,
-}[runtime.GOARCH]
 
 // Deprecated: use syscall pkg instead (go >= 1.5 needed).
 const (
@@ -34,16 +23,13 @@ const (
 	CLONE_NEWPID  = 0x20000000   /* New pid namespace */
 	CLONE_NEWNET  = 0x40000000   /* New network namespace */
 	CLONE_IO      = 0x80000000   /* Get io context */
+	bindMountPath = "/run/netns" /* Bind mount path for named netns */
 )
 
 // Setns sets namespace using syscall. Note that this should be a method
 // in syscall but it has not been added.
 func Setns(ns NsHandle, nstype int) (err error) {
-	_, _, e1 := syscall.Syscall(SYS_SETNS, uintptr(ns), uintptr(nstype), 0)
+	return unix.Setns(int(ns), nstype)
-	if e1 != 0 {
-		err = e1
-	}
-	return
 }
 
 // Set sets the current network namespace to the namespace represented
@@ -52,23 +38,67 @@ func Set(ns NsHandle) (err error) {
 	return Setns(ns, CLONE_NEWNET)
 }
 
-// New creates a new network namespace and returns a handle to it.
+// New creates a new network namespace, sets it as current and returns
+// a handle to it.
 func New() (ns NsHandle, err error) {
-	if err := syscall.Unshare(CLONE_NEWNET); err != nil {
+	if err := unix.Unshare(CLONE_NEWNET); err != nil {
 		return -1, err
 	}
 	return Get()
 }
 
+// NewNamed creates a new named network namespace and returns a handle to it
+func NewNamed(name string) (NsHandle, error) {
+	if _, err := os.Stat(bindMountPath); os.IsNotExist(err) {
+		err = os.MkdirAll(bindMountPath, 0755)
+		if err != nil {
+			return None(), err
+		}
+	}
+
+	newNs, err := New()
+	if err != nil {
+		return None(), err
+	}
+
+	namedPath := path.Join(bindMountPath, name)
+
+	f, err := os.OpenFile(namedPath, os.O_CREATE|os.O_EXCL, 0444)
+	if err != nil {
+		return None(), err
+	}
+	f.Close()
+
+	nsPath := fmt.Sprintf("/proc/%d/task/%d/ns/net", os.Getpid(), syscall.Gettid())
+	err = syscall.Mount(nsPath, namedPath, "bind", syscall.MS_BIND, "")
+	if err != nil {
+		return None(), err
+	}
+
+	return newNs, nil
+}
+
+// DeleteNamed deletes a named network namespace
+func DeleteNamed(name string) error {
+	namedPath := path.Join(bindMountPath, name)
+
+	err := syscall.Unmount(namedPath, syscall.MNT_DETACH)
+	if err != nil {
+		return err
+	}
+
+	return os.Remove(namedPath)
+}
+
 // Get gets a handle to the current threads network namespace.
 func Get() (NsHandle, error) {
-	return GetFromThread(os.Getpid(), syscall.Gettid())
+	return GetFromThread(os.Getpid(), unix.Gettid())
 }
 
 // GetFromPath gets a handle to a network namespace
 // identified by the path
 func GetFromPath(path string) (NsHandle, error) {
-	fd, err := syscall.Open(path, syscall.O_RDONLY, 0)
+	fd, err := unix.Open(path, unix.O_RDONLY|unix.O_CLOEXEC, 0)
 	if err != nil {
 		return -1, err
 	}

vendor/golang.org/x/sys/internal/unsafeheader/unsafeheader.go

@@ -0,0 +1,30 @@
+// 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 unsafeheader contains header declarations for the Go runtime's
+// slice and string implementations.
+//
+// This package allows x/sys to use types equivalent to
+// reflect.SliceHeader and reflect.StringHeader without introducing
+// a dependency on the (relatively heavy) "reflect" package.
+package unsafeheader
+
+import (
+	"unsafe"
+)
+
+// Slice is the runtime representation of a slice.
+// It cannot be used safely or portably and its representation may change in a later release.
+type Slice struct {
+	Data unsafe.Pointer
+	Len  int
+	Cap  int
+}
+
+// String is the runtime representation of a string.
+// It cannot be used safely or portably and its representation may change in a later release.
+type String struct {
+	Data unsafe.Pointer
+	Len  int
+}

vendor/golang.org/x/sys/unix/README.md

@@ -89,7 +89,7 @@ constants.
 
 Adding new syscall numbers is mostly done by running the build on a sufficiently
 new installation of the target OS (or updating the source checkouts for the
-new build system). However, depending on the OS, you make need to update the
+new build system). However, depending on the OS, you may need to update the
 parsing in mksysnum.
 
 ### mksyscall.go
@@ -149,10 +149,21 @@ To add a constant, add the header that includes it to the appropriate variable.
 Then, edit the regex (if necessary) to match the desired constant. Avoid making
 the regex too broad to avoid matching unintended constants.
 
+### mkmerge.go
+
+This program is used to extract duplicate const, func, and type declarations
+from the generated architecture-specific files listed below, and merge these
+into a common file for each OS.
+
+The merge is performed in the following steps:
+1. Construct the set of common code that is idential in all architecture-specific files.
+2. Write this common code to the merged file.
+3. Remove the common code from all architecture-specific files.
+
 
 ## Generated files
 
-### `zerror_${GOOS}_${GOARCH}.go`
+### `zerrors_${GOOS}_${GOARCH}.go`
 
 A file containing all of the system's generated error numbers, error strings,
 signal numbers, and constants. Generated by `mkerrors.sh` (see above).

vendor/golang.org/x/sys/unix/affinity_linux.go

@@ -7,6 +7,7 @@
 package unix
 
 import (
+	"math/bits"
 	"unsafe"
 )
 
@@ -79,46 +80,7 @@ func (s *CPUSet) IsSet(cpu int) bool {
 func (s *CPUSet) Count() int {
 	c := 0
 	for _, b := range s {
-		c += onesCount64(uint64(b))
+		c += bits.OnesCount64(uint64(b))
 	}
 	return c
 }
-
-// onesCount64 is a copy of Go 1.9's math/bits.OnesCount64.
-// Once this package can require Go 1.9, we can delete this
-// and update the caller to use bits.OnesCount64.
-func onesCount64(x uint64) int {
-	const m0 = 0x5555555555555555 // 01010101 ...
-	const m1 = 0x3333333333333333 // 00110011 ...
-	const m2 = 0x0f0f0f0f0f0f0f0f // 00001111 ...
-	const m3 = 0x00ff00ff00ff00ff // etc.
-	const m4 = 0x0000ffff0000ffff
-
-	// Implementation: Parallel summing of adjacent bits.
-	// See "Hacker's Delight", Chap. 5: Counting Bits.
-	// The following pattern shows the general approach:
-	//
-	//   x = x>>1&(m0&m) + x&(m0&m)
-	//   x = x>>2&(m1&m) + x&(m1&m)
-	//   x = x>>4&(m2&m) + x&(m2&m)
-	//   x = x>>8&(m3&m) + x&(m3&m)
-	//   x = x>>16&(m4&m) + x&(m4&m)
-	//   x = x>>32&(m5&m) + x&(m5&m)
-	//   return int(x)
-	//
-	// Masking (& operations) can be left away when there's no
-	// danger that a field's sum will carry over into the next
-	// field: Since the result cannot be > 64, 8 bits is enough
-	// and we can ignore the masks for the shifts by 8 and up.
-	// Per "Hacker's Delight", the first line can be simplified
-	// more, but it saves at best one instruction, so we leave
-	// it alone for clarity.
-	const m = 1<<64 - 1
-	x = x>>1&(m0&m) + x&(m0&m)
-	x = x>>2&(m1&m) + x&(m1&m)
-	x = (x>>4 + x) & (m2 & m)
-	x += x >> 8
-	x += x >> 16
-	x += x >> 32
-	return int(x) & (1<<7 - 1)
-}

vendor/golang.org/x/sys/unix/asm_linux_riscv64.s

@@ -23,10 +23,6 @@ TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
 	MOV	a1+8(FP), A0
 	MOV	a2+16(FP), A1
 	MOV	a3+24(FP), A2
-	MOV	$0, A3
-	MOV	$0, A4
-	MOV	$0, A5
-	MOV	$0, A6
 	MOV	trap+0(FP), A7	// syscall entry
 	ECALL
 	MOV	A0, r1+32(FP)	// r1
@@ -44,9 +40,6 @@ TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
 	MOV	a1+8(FP), A0
 	MOV	a2+16(FP), A1
 	MOV	a3+24(FP), A2
-	MOV	ZERO, A3
-	MOV	ZERO, A4
-	MOV	ZERO, A5
 	MOV	trap+0(FP), A7	// syscall entry
 	ECALL
 	MOV	A0, r1+32(FP)

vendor/golang.org/x/sys/unix/asm_openbsd_mips64.s

@@ -0,0 +1,29 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build !gccgo
+
+#include "textflag.h"
+
+//
+// System call support for mips64, OpenBSD
+//
+
+// Just jump to package syscall's implementation for all these functions.
+// The runtime may know about them.
+
+TEXT	·Syscall(SB),NOSPLIT,$0-56
+	JMP	syscall·Syscall(SB)
+
+TEXT	·Syscall6(SB),NOSPLIT,$0-80
+	JMP	syscall·Syscall6(SB)
+
+TEXT	·Syscall9(SB),NOSPLIT,$0-104
+	JMP	syscall·Syscall9(SB)
+
+TEXT	·RawSyscall(SB),NOSPLIT,$0-56
+	JMP	syscall·RawSyscall(SB)
+
+TEXT	·RawSyscall6(SB),NOSPLIT,$0-80
+	JMP	syscall·RawSyscall6(SB)

vendor/golang.org/x/sys/unix/bluetooth_linux.go

@@ -23,6 +23,7 @@ const (
 	HCI_CHANNEL_USER    = 1
 	HCI_CHANNEL_MONITOR = 2
 	HCI_CHANNEL_CONTROL = 3
+	HCI_CHANNEL_LOGGING = 4
 )
 
 // Socketoption Level

vendor/golang.org/x/sys/unix/dirent.go

@@ -2,16 +2,101 @@
 // 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 nacl netbsd openbsd solaris
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
 
 package unix
 
-import "syscall"
+import "unsafe"
+
+// readInt returns the size-bytes unsigned integer in native byte order at offset off.
+func readInt(b []byte, off, size uintptr) (u uint64, ok bool) {
+	if len(b) < int(off+size) {
+		return 0, false
+	}
+	if isBigEndian {
+		return readIntBE(b[off:], size), true
+	}
+	return readIntLE(b[off:], size), true
+}
+
+func readIntBE(b []byte, size uintptr) uint64 {
+	switch size {
+	case 1:
+		return uint64(b[0])
+	case 2:
+		_ = b[1] // bounds check hint to compiler; see golang.org/issue/14808
+		return uint64(b[1]) | uint64(b[0])<<8
+	case 4:
+		_ = b[3] // bounds check hint to compiler; see golang.org/issue/14808
+		return uint64(b[3]) | uint64(b[2])<<8 | uint64(b[1])<<16 | uint64(b[0])<<24
+	case 8:
+		_ = b[7] // bounds check hint to compiler; see golang.org/issue/14808
+		return uint64(b[7]) | uint64(b[6])<<8 | uint64(b[5])<<16 | uint64(b[4])<<24 |
+			uint64(b[3])<<32 | uint64(b[2])<<40 | uint64(b[1])<<48 | uint64(b[0])<<56
+	default:
+		panic("syscall: readInt with unsupported size")
+	}
+}
+
+func readIntLE(b []byte, size uintptr) uint64 {
+	switch size {
+	case 1:
+		return uint64(b[0])
+	case 2:
+		_ = b[1] // bounds check hint to compiler; see golang.org/issue/14808
+		return uint64(b[0]) | uint64(b[1])<<8
+	case 4:
+		_ = b[3] // bounds check hint to compiler; see golang.org/issue/14808
+		return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24
+	case 8:
+		_ = b[7] // bounds check hint to compiler; see golang.org/issue/14808
+		return uint64(b[0]) | uint64(b[1])<<8 | uint64(b[2])<<16 | uint64(b[3])<<24 |
+			uint64(b[4])<<32 | uint64(b[5])<<40 | uint64(b[6])<<48 | uint64(b[7])<<56
+	default:
+		panic("syscall: readInt with unsupported size")
+	}
+}
 
 // ParseDirent parses up to max directory entries in buf,
 // appending the names to names. It returns the number of
 // bytes consumed from buf, the number of entries added
 // to names, and the new names slice.
 func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) {
-	return syscall.ParseDirent(buf, max, names)
+	origlen := len(buf)
+	count = 0
+	for max != 0 && len(buf) > 0 {
+		reclen, ok := direntReclen(buf)
+		if !ok || reclen > uint64(len(buf)) {
+			return origlen, count, names
+		}
+		rec := buf[:reclen]
+		buf = buf[reclen:]
+		ino, ok := direntIno(rec)
+		if !ok {
+			break
+		}
+		if ino == 0 { // File absent in directory.
+			continue
+		}
+		const namoff = uint64(unsafe.Offsetof(Dirent{}.Name))
+		namlen, ok := direntNamlen(rec)
+		if !ok || namoff+namlen > uint64(len(rec)) {
+			break
+		}
+		name := rec[namoff : namoff+namlen]
+		for i, c := range name {
+			if c == 0 {
+				name = name[:i]
+				break
+			}
+		}
+		// Check for useless names before allocating a string.
+		if string(name) == "." || string(name) == ".." {
+			continue
+		}
+		max--
+		count++
+		names = append(names, string(name))
+	}
+	return origlen - len(buf), count, names
 }

vendor/golang.org/x/sys/unix/endian_little.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 386 amd64 amd64p32 arm arm64 ppc64le mipsle mips64le
+// +build 386 amd64 amd64p32 arm arm64 ppc64le mipsle mips64le riscv64
 
 package unix
 

vendor/golang.org/x/sys/unix/errors_freebsd_386.go

@@ -8,6 +8,7 @@
 package unix
 
 const (
+	DLT_HHDLC                         = 0x79
 	IFF_SMART                         = 0x20
 	IFT_1822                          = 0x2
 	IFT_A12MPPSWITCH                  = 0x82
@@ -210,13 +211,18 @@ const (
 	IFT_XETHER                        = 0x1a
 	IPPROTO_MAXID                     = 0x34
 	IPV6_FAITH                        = 0x1d
+	IPV6_MIN_MEMBERSHIPS              = 0x1f
 	IP_FAITH                          = 0x16
+	IP_MAX_SOURCE_FILTER              = 0x400
+	IP_MIN_MEMBERSHIPS                = 0x1f
 	MAP_NORESERVE                     = 0x40
 	MAP_RENAME                        = 0x20
 	NET_RT_MAXID                      = 0x6
 	RTF_PRCLONING                     = 0x10000
 	RTM_OLDADD                        = 0x9
 	RTM_OLDDEL                        = 0xa
+	RT_CACHING_CONTEXT                = 0x1
+	RT_NORTREF                        = 0x2
 	SIOCADDRT                         = 0x8030720a
 	SIOCALIFADDR                      = 0x8118691b
 	SIOCDELRT                         = 0x8030720b

vendor/golang.org/x/sys/unix/errors_freebsd_amd64.go

@@ -8,6 +8,7 @@
 package unix
 
 const (
+	DLT_HHDLC                         = 0x79
 	IFF_SMART                         = 0x20
 	IFT_1822                          = 0x2
 	IFT_A12MPPSWITCH                  = 0x82
@@ -210,13 +211,18 @@ const (
 	IFT_XETHER                        = 0x1a
 	IPPROTO_MAXID                     = 0x34
 	IPV6_FAITH                        = 0x1d
+	IPV6_MIN_MEMBERSHIPS              = 0x1f
 	IP_FAITH                          = 0x16
+	IP_MAX_SOURCE_FILTER              = 0x400
+	IP_MIN_MEMBERSHIPS                = 0x1f
 	MAP_NORESERVE                     = 0x40
 	MAP_RENAME                        = 0x20
 	NET_RT_MAXID                      = 0x6
 	RTF_PRCLONING                     = 0x10000
 	RTM_OLDADD                        = 0x9
 	RTM_OLDDEL                        = 0xa
+	RT_CACHING_CONTEXT                = 0x1
+	RT_NORTREF                        = 0x2
 	SIOCADDRT                         = 0x8040720a
 	SIOCALIFADDR                      = 0x8118691b
 	SIOCDELRT                         = 0x8040720b

vendor/golang.org/x/sys/unix/errors_freebsd_arm64.go

@@ -0,0 +1,17 @@
+// 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.
+
+// Constants that were deprecated or moved to enums in the FreeBSD headers. Keep
+// them here for backwards compatibility.
+
+package unix
+
+const (
+	DLT_HHDLC            = 0x79
+	IPV6_MIN_MEMBERSHIPS = 0x1f
+	IP_MAX_SOURCE_FILTER = 0x400
+	IP_MIN_MEMBERSHIPS   = 0x1f
+	RT_CACHING_CONTEXT   = 0x1
+	RT_NORTREF           = 0x2
+)

vendor/golang.org/x/sys/unix/fcntl.go

@@ -9,12 +9,11 @@ package unix
 import "unsafe"
 
 // fcntl64Syscall is usually SYS_FCNTL, but is overridden on 32-bit Linux
-// systems by flock_linux_32bit.go to be SYS_FCNTL64.
+// systems by fcntl_linux_32bit.go to be SYS_FCNTL64.
 var fcntl64Syscall uintptr = SYS_FCNTL
 
-// FcntlInt performs a fcntl syscall on fd with the provided command and argument.
+func fcntl(fd int, cmd, arg int) (int, error) {
-func FcntlInt(fd uintptr, cmd, arg int) (int, error) {
+	valptr, _, errno := Syscall(fcntl64Syscall, uintptr(fd), uintptr(cmd), uintptr(arg))
-	valptr, _, errno := Syscall(fcntl64Syscall, fd, uintptr(cmd), uintptr(arg))
 	var err error
 	if errno != 0 {
 		err = errno
@@ -22,6 +21,11 @@ func FcntlInt(fd uintptr, cmd, arg int) (int, error) {
 	return int(valptr), err
 }
 
+// FcntlInt performs a fcntl syscall on fd with the provided command and argument.
+func FcntlInt(fd uintptr, cmd, arg int) (int, error) {
+	return fcntl(int(fd), cmd, arg)
+}
+
 // FcntlFlock performs a fcntl syscall for the F_GETLK, F_SETLK or F_SETLKW command.
 func FcntlFlock(fd uintptr, cmd int, lk *Flock_t) error {
 	_, _, errno := Syscall(fcntl64Syscall, fd, uintptr(cmd), uintptr(unsafe.Pointer(lk)))

vendor/golang.org/x/sys/unix/fdset.go

@@ -0,0 +1,29 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris
+
+package unix
+
+// Set adds fd to the set fds.
+func (fds *FdSet) Set(fd int) {
+	fds.Bits[fd/NFDBITS] |= (1 << (uintptr(fd) % NFDBITS))
+}
+
+// Clear removes fd from the set fds.
+func (fds *FdSet) Clear(fd int) {
+	fds.Bits[fd/NFDBITS] &^= (1 << (uintptr(fd) % NFDBITS))
+}
+
+// IsSet returns whether fd is in the set fds.
+func (fds *FdSet) IsSet(fd int) bool {
+	return fds.Bits[fd/NFDBITS]&(1<<(uintptr(fd)%NFDBITS)) != 0
+}
+
+// Zero clears the set fds.
+func (fds *FdSet) Zero() {
+	for i := range fds.Bits {
+		fds.Bits[i] = 0
+	}
+}

vendor/golang.org/x/sys/unix/ioctl.go

@@ -6,7 +6,28 @@
 
 package unix
 
-import "runtime"
+import (
+	"runtime"
+	"unsafe"
+)
+
+// ioctl itself should not be exposed directly, but additional get/set
+// functions for specific types are permissible.
+
+// IoctlSetInt performs an ioctl operation which sets an integer value
+// on fd, using the specified request number.
+func IoctlSetInt(fd int, req uint, value int) error {
+	return ioctl(fd, req, uintptr(value))
+}
+
+// IoctlSetPointerInt performs an ioctl operation which sets an
+// integer value on fd, using the specified request number. The ioctl
+// argument is called with a pointer to the integer value, rather than
+// passing the integer value directly.
+func IoctlSetPointerInt(fd int, req uint, value int) error {
+	v := int32(value)
+	return ioctl(fd, req, uintptr(unsafe.Pointer(&v)))
+}
 
 // IoctlSetWinsize performs an ioctl on fd with a *Winsize argument.
 //
@@ -14,7 +35,7 @@ import "runtime"
 func IoctlSetWinsize(fd int, req uint, value *Winsize) error {
 	// TODO: if we get the chance, remove the req parameter and
 	// hardcode TIOCSWINSZ.
-	err := ioctlSetWinsize(fd, req, value)
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 	runtime.KeepAlive(value)
 	return err
 }
@@ -24,7 +45,30 @@ func IoctlSetWinsize(fd int, req uint, value *Winsize) error {
 // The req value will usually be TCSETA or TIOCSETA.
 func IoctlSetTermios(fd int, req uint, value *Termios) error {
 	// TODO: if we get the chance, remove the req parameter.
-	err := ioctlSetTermios(fd, req, value)
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 	runtime.KeepAlive(value)
 	return err
 }
+
+// IoctlGetInt performs an ioctl operation which gets an integer value
+// from fd, using the specified request number.
+//
+// A few ioctl requests use the return value as an output parameter;
+// for those, IoctlRetInt should be used instead of this function.
+func IoctlGetInt(fd int, req uint) (int, error) {
+	var value int
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return value, err
+}
+
+func IoctlGetWinsize(fd int, req uint) (*Winsize, error) {
+	var value Winsize
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return &value, err
+}
+
+func IoctlGetTermios(fd int, req uint) (*Termios, error) {
+	var value Termios
+	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
+	return &value, err
+}

vendor/golang.org/x/sys/unix/mkall.sh

@@ -50,7 +50,7 @@ if [[ "$GOOS" = "linux" ]]; then
 	# Use the Docker-based build system
 	# Files generated through docker (use $cmd so you can Ctl-C the build or run)
 	$cmd docker build --tag generate:$GOOS $GOOS
-	$cmd docker run --interactive --tty --volume $(dirname "$(readlink -f "$0")"):/build generate:$GOOS
+	$cmd docker run --interactive --tty --volume $(cd -- "$(dirname -- "$0")" && /bin/pwd):/build generate:$GOOS
 	exit
 fi
 
@@ -73,26 +73,22 @@ aix_ppc64)
 darwin_386)
 	mkerrors="$mkerrors -m32"
 	mksyscall="go run mksyscall.go -l32"
-	mksysnum="go run mksysnum.go $(xcrun --show-sdk-path --sdk macosx)/usr/include/sys/syscall.h"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	mkasm="go run mkasm_darwin.go"
 	;;
 darwin_amd64)
 	mkerrors="$mkerrors -m64"
-	mksysnum="go run mksysnum.go $(xcrun --show-sdk-path --sdk macosx)/usr/include/sys/syscall.h"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	mkasm="go run mkasm_darwin.go"
 	;;
 darwin_arm)
 	mkerrors="$mkerrors"
 	mksyscall="go run mksyscall.go -l32"
-	mksysnum="go run mksysnum.go $(xcrun --show-sdk-path --sdk iphoneos)/usr/include/sys/syscall.h"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	mkasm="go run mkasm_darwin.go"
 	;;
 darwin_arm64)
 	mkerrors="$mkerrors -m64"
-	mksysnum="go run mksysnum.go $(xcrun --show-sdk-path --sdk iphoneos)/usr/include/sys/syscall.h"
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	mkasm="go run mkasm_darwin.go"
 	;;
@@ -124,7 +120,7 @@ freebsd_arm)
 freebsd_arm64)
 	mkerrors="$mkerrors -m64"
 	mksysnum="go run mksysnum.go 'https://svn.freebsd.org/base/stable/11/sys/kern/syscalls.master'"
-	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
+	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
 	;;
 netbsd_386)
 	mkerrors="$mkerrors -m32"
@@ -184,12 +180,27 @@ openbsd_arm64)
 	# API consistent across platforms.
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
 	;;
+openbsd_mips64)
+	mkerrors="$mkerrors -m64"
+	mksyscall="go run mksyscall.go -openbsd"
+	mksysctl="go run mksysctl_openbsd.go"
+	mksysnum="go run mksysnum.go 'https://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master'"
+	# Let the type of C char be signed for making the bare syscall
+	# API consistent across platforms.
+	mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
+	;;
 solaris_amd64)
 	mksyscall="go run mksyscall_solaris.go"
 	mkerrors="$mkerrors -m64"
 	mksysnum=
 	mktypes="GOARCH=$GOARCH go tool cgo -godefs"
 	;;
+illumos_amd64)
+        mksyscall="go run mksyscall_solaris.go"
+	mkerrors=
+	mksysnum=
+	mktypes=
+	;;
 *)
 	echo 'unrecognized $GOOS_$GOARCH: ' "$GOOSARCH" 1>&2
 	exit 1
@@ -211,10 +222,15 @@ esac
 				# aix/ppc64 script generates files instead of writing to stdin.
 				echo "$mksyscall -tags $GOOS,$GOARCH $syscall_goos $GOOSARCH_in && gofmt -w zsyscall_$GOOSARCH.go && gofmt -w zsyscall_"$GOOSARCH"_gccgo.go && gofmt -w zsyscall_"$GOOSARCH"_gc.go " ;
 			elif [ "$GOOS" == "darwin" ]; then
-			        # pre-1.12, direct syscalls
-			        echo "$mksyscall -tags $GOOS,$GOARCH,!go1.12 $syscall_goos $GOOSARCH_in |gofmt >zsyscall_$GOOSARCH.1_11.go";
 			        # 1.12 and later, syscalls via libSystem
 				echo "$mksyscall -tags $GOOS,$GOARCH,go1.12 $syscall_goos $GOOSARCH_in |gofmt >zsyscall_$GOOSARCH.go";
+				# 1.13 and later, syscalls via libSystem (including syscallPtr)
+				echo "$mksyscall -tags $GOOS,$GOARCH,go1.13 syscall_darwin.1_13.go |gofmt >zsyscall_$GOOSARCH.1_13.go";
+			elif [ "$GOOS" == "illumos" ]; then
+			        # illumos code generation requires a --illumos switch
+			        echo "$mksyscall -illumos -tags illumos,$GOARCH syscall_illumos.go |gofmt > zsyscall_illumos_$GOARCH.go";
+			        # illumos implies solaris, so solaris code generation is also required
+				echo "$mksyscall -tags solaris,$GOARCH syscall_solaris.go syscall_solaris_$GOARCH.go |gofmt >zsyscall_solaris_$GOARCH.go";
 			else
 				echo "$mksyscall -tags $GOOS,$GOARCH $syscall_goos $GOOSARCH_in |gofmt >zsyscall_$GOOSARCH.go";
 			fi

vendor/golang.org/x/sys/unix/mkerrors.sh

@@ -44,6 +44,7 @@ includes_AIX='
 #include <sys/stropts.h>
 #include <sys/mman.h>
 #include <sys/poll.h>
+#include <sys/select.h>
 #include <sys/termio.h>
 #include <termios.h>
 #include <fcntl.h>
@@ -60,6 +61,7 @@ includes_Darwin='
 #include <sys/types.h>
 #include <sys/event.h>
 #include <sys/ptrace.h>
+#include <sys/select.h>
 #include <sys/socket.h>
 #include <sys/sockio.h>
 #include <sys/sysctl.h>
@@ -80,6 +82,7 @@ includes_Darwin='
 includes_DragonFly='
 #include <sys/types.h>
 #include <sys/event.h>
+#include <sys/select.h>
 #include <sys/socket.h>
 #include <sys/sockio.h>
 #include <sys/stat.h>
@@ -102,7 +105,10 @@ includes_FreeBSD='
 #include <sys/capsicum.h>
 #include <sys/param.h>
 #include <sys/types.h>
+#include <sys/disk.h>
 #include <sys/event.h>
+#include <sys/sched.h>
+#include <sys/select.h>
 #include <sys/socket.h>
 #include <sys/sockio.h>
 #include <sys/stat.h>
@@ -179,51 +185,65 @@ struct ltchars {
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/time.h>
+#include <sys/select.h>
 #include <sys/signalfd.h>
 #include <sys/socket.h>
+#include <sys/timerfd.h>
+#include <sys/uio.h>
 #include <sys/xattr.h>
 #include <linux/bpf.h>
+#include <linux/can.h>
+#include <linux/can/error.h>
+#include <linux/can/raw.h>
+#include <linux/capability.h>
+#include <linux/cryptouser.h>
+#include <linux/devlink.h>
+#include <linux/dm-ioctl.h>
 #include <linux/errqueue.h>
+#include <linux/falloc.h>
+#include <linux/fanotify.h>
+#include <linux/filter.h>
+#include <linux/fs.h>
+#include <linux/fscrypt.h>
+#include <linux/fsverity.h>
+#include <linux/genetlink.h>
+#include <linux/hdreg.h>
+#include <linux/icmpv6.h>
 #include <linux/if.h>
+#include <linux/if_addr.h>
 #include <linux/if_alg.h>
 #include <linux/if_arp.h>
 #include <linux/if_ether.h>
 #include <linux/if_ppp.h>
 #include <linux/if_tun.h>
 #include <linux/if_packet.h>
-#include <linux/if_addr.h>
+#include <linux/if_xdp.h>
-#include <linux/falloc.h>
-#include <linux/fanotify.h>
-#include <linux/filter.h>
-#include <linux/fs.h>
 #include <linux/kexec.h>
 #include <linux/keyctl.h>
+#include <linux/loop.h>
 #include <linux/magic.h>
 #include <linux/memfd.h>
 #include <linux/module.h>
 #include <linux/netfilter/nfnetlink.h>
 #include <linux/netlink.h>
 #include <linux/net_namespace.h>
+#include <linux/nsfs.h>
 #include <linux/perf_event.h>
+#include <linux/ptrace.h>
 #include <linux/random.h>
 #include <linux/reboot.h>
+#include <linux/rtc.h>
 #include <linux/rtnetlink.h>
-#include <linux/ptrace.h>
 #include <linux/sched.h>
 #include <linux/seccomp.h>
-#include <linux/sockios.h>
-#include <linux/wait.h>
-#include <linux/icmpv6.h>
 #include <linux/serial.h>
-#include <linux/can.h>
+#include <linux/sockios.h>
-#include <linux/vm_sockets.h>
 #include <linux/taskstats.h>
-#include <linux/genetlink.h>
+#include <linux/tipc.h>
+#include <linux/vm_sockets.h>
+#include <linux/wait.h>
 #include <linux/watchdog.h>
-#include <linux/hdreg.h>
+
-#include <linux/rtc.h>
-#include <linux/if_xdp.h>
-#include <linux/cryptouser.h>
 #include <mtd/ubi-user.h>
 #include <net/route.h>
 
@@ -262,6 +282,16 @@ struct ltchars {
 #define FS_KEY_DESC_PREFIX              "fscrypt:"
 #define FS_KEY_DESC_PREFIX_SIZE         8
 #define FS_MAX_KEY_SIZE                 64
+
+// The code generator produces -0x1 for (~0), but an unsigned value is necessary
+// for the tipc_subscr timeout __u32 field.
+#undef TIPC_WAIT_FOREVER
+#define TIPC_WAIT_FOREVER 0xffffffff
+
+// Copied from linux/l2tp.h
+// Including linux/l2tp.h here causes conflicts between linux/in.h
+// and netinet/in.h included via net/route.h above.
+#define IPPROTO_L2TP		115
 '
 
 includes_NetBSD='
@@ -271,6 +301,8 @@ includes_NetBSD='
 #include <sys/extattr.h>
 #include <sys/mman.h>
 #include <sys/mount.h>
+#include <sys/sched.h>
+#include <sys/select.h>
 #include <sys/socket.h>
 #include <sys/sockio.h>
 #include <sys/sysctl.h>
@@ -297,6 +329,8 @@ includes_OpenBSD='
 #include <sys/event.h>
 #include <sys/mman.h>
 #include <sys/mount.h>
+#include <sys/select.h>
+#include <sys/sched.h>
 #include <sys/socket.h>
 #include <sys/sockio.h>
 #include <sys/stat.h>
@@ -333,6 +367,7 @@ includes_OpenBSD='
 includes_SunOS='
 #include <limits.h>
 #include <sys/types.h>
+#include <sys/select.h>
 #include <sys/socket.h>
 #include <sys/sockio.h>
 #include <sys/stat.h>
@@ -425,6 +460,7 @@ ccflags="$@"
 		$2 == "XCASE" ||
 		$2 == "ALTWERASE" ||
 		$2 == "NOKERNINFO" ||
+		$2 == "NFDBITS" ||
 		$2 ~ /^PAR/ ||
 		$2 ~ /^SIG[^_]/ ||
 		$2 ~ /^O[CNPFPL][A-Z]+[^_][A-Z]+$/ ||
@@ -434,6 +470,8 @@ ccflags="$@"
 		$2 ~ /^TC[IO](ON|OFF)$/ ||
 		$2 ~ /^IN_/ ||
 		$2 ~ /^LOCK_(SH|EX|NB|UN)$/ ||
+		$2 ~ /^LO_(KEY|NAME)_SIZE$/ ||
+		$2 ~ /^LOOP_(CLR|CTL|GET|SET)_/ ||
 		$2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|ICMP6|TCP|MCAST|EVFILT|NOTE|EV|SHUT|PROT|MAP|MFD|T?PACKET|MSG|SCM|MCL|DT|MADV|PR)_/ ||
 		$2 ~ /^TP_STATUS_/ ||
 		$2 ~ /^FALLOC_/ ||
@@ -447,13 +485,15 @@ ccflags="$@"
 		$2 ~ /^SYSCTL_VERS/ ||
 		$2 !~ "MNT_BITS" &&
 		$2 ~ /^(MS|MNT|UMOUNT)_/ ||
+		$2 ~ /^NS_GET_/ ||
 		$2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ ||
-		$2 ~ /^(O|F|[ES]?FD|NAME|S|PTRACE|PT)_/ ||
+		$2 ~ /^(O|F|[ES]?FD|NAME|S|PTRACE|PT|TFD)_/ ||
 		$2 ~ /^KEXEC_/ ||
 		$2 ~ /^LINUX_REBOOT_CMD_/ ||
 		$2 ~ /^LINUX_REBOOT_MAGIC[12]$/ ||
 		$2 ~ /^MODULE_INIT_/ ||
 		$2 !~ "NLA_TYPE_MASK" &&
+		$2 !~ /^RTC_VL_(ACCURACY|BACKUP|DATA)/ &&
 		$2 ~ /^(NETLINK|NLM|NLMSG|NLA|IFA|IFAN|RT|RTC|RTCF|RTN|RTPROT|RTNH|ARPHRD|ETH_P|NETNSA)_/ ||
 		$2 ~ /^SIOC/ ||
 		$2 ~ /^TIOC/ ||
@@ -461,8 +501,9 @@ ccflags="$@"
 		$2 ~ /^TCSET/ ||
 		$2 ~ /^TC(FLSH|SBRKP?|XONC)$/ ||
 		$2 !~ "RTF_BITS" &&
-		$2 ~ /^(IFF|IFT|NET_RT|RTM|RTF|RTV|RTA|RTAX)_/ ||
+		$2 ~ /^(IFF|IFT|NET_RT|RTM(GRP)?|RTF|RTV|RTA|RTAX)_/ ||
 		$2 ~ /^BIOC/ ||
+		$2 ~ /^DIOC/ ||
 		$2 ~ /^RUSAGE_(SELF|CHILDREN|THREAD)/ ||
 		$2 ~ /^RLIMIT_(AS|CORE|CPU|DATA|FSIZE|LOCKS|MEMLOCK|MSGQUEUE|NICE|NOFILE|NPROC|RSS|RTPRIO|RTTIME|SIGPENDING|STACK)|RLIM_INFINITY/ ||
 		$2 ~ /^PRIO_(PROCESS|PGRP|USER)/ ||
@@ -472,8 +513,14 @@ ccflags="$@"
 		$2 ~ /^(CLOCK|TIMER)_/ ||
 		$2 ~ /^CAN_/ ||
 		$2 ~ /^CAP_/ ||
+		$2 ~ /^CP_/ ||
+		$2 ~ /^CPUSTATES$/ ||
 		$2 ~ /^ALG_/ ||
-		$2 ~ /^FS_(POLICY_FLAGS|KEY_DESC|ENCRYPTION_MODE|[A-Z0-9_]+_KEY_SIZE|IOC_(GET|SET)_ENCRYPTION)/ ||
+		$2 ~ /^FS_(POLICY_FLAGS|KEY_DESC|ENCRYPTION_MODE|[A-Z0-9_]+_KEY_SIZE)/ ||
+		$2 ~ /^FS_IOC_.*(ENCRYPTION|VERITY|[GS]ETFLAGS)/ ||
+		$2 ~ /^FS_VERITY_/ ||
+		$2 ~ /^FSCRYPT_/ ||
+		$2 ~ /^DM_/ ||
 		$2 ~ /^GRND_/ ||
 		$2 ~ /^RND/ ||
 		$2 ~ /^KEY_(SPEC|REQKEY_DEFL)_/ ||
@@ -500,8 +547,11 @@ ccflags="$@"
 		$2 ~ /^WDIOC_/ ||
 		$2 ~ /^NFN/ ||
 		$2 ~ /^XDP_/ ||
+		$2 ~ /^RWF_/ ||
 		$2 ~ /^(HDIO|WIN|SMART)_/ ||
 		$2 ~ /^CRYPTO_/ ||
+		$2 ~ /^TIPC_/ ||
+		$2 ~ /^DEVLINK_/ ||
 		$2 !~ "WMESGLEN" &&
 		$2 ~ /^W[A-Z0-9]+$/ ||
 		$2 ~/^PPPIOC/ ||

vendor/golang.org/x/sys/unix/readdirent_getdents.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.
+
+// +build aix dragonfly freebsd linux netbsd openbsd
+
+package unix
+
+// ReadDirent reads directory entries from fd and writes them into buf.
+func ReadDirent(fd int, buf []byte) (n int, err error) {
+	return Getdents(fd, buf)
+}

vendor/golang.org/x/sys/unix/readdirent_getdirentries.go

@@ -0,0 +1,19 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build darwin
+
+package unix
+
+import "unsafe"
+
+// ReadDirent reads directory entries from fd and writes them into buf.
+func ReadDirent(fd int, buf []byte) (n int, err error) {
+	// Final argument is (basep *uintptr) and the syscall doesn't take nil.
+	// 64 bits should be enough. (32 bits isn't even on 386). Since the
+	// actual system call is getdirentries64, 64 is a good guess.
+	// TODO(rsc): Can we use a single global basep for all calls?
+	var base = (*uintptr)(unsafe.Pointer(new(uint64)))
+	return Getdirentries(fd, buf, base)
+}

vendor/golang.org/x/sys/unix/sockcmsg_dragonfly.go

@@ -0,0 +1,16 @@
+// 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.
+
+package unix
+
+// Round the length of a raw sockaddr up to align it properly.
+func cmsgAlignOf(salen int) int {
+	salign := SizeofPtr
+	if SizeofPtr == 8 && !supportsABI(_dragonflyABIChangeVersion) {
+		// 64-bit Dragonfly before the September 2019 ABI changes still requires
+		// 32-bit aligned access to network subsystem.
+		salign = 4
+	}
+	return (salen + salign - 1) & ^(salign - 1)
+}

vendor/golang.org/x/sys/unix/sockcmsg_linux.go

@@ -17,7 +17,7 @@ func UnixCredentials(ucred *Ucred) []byte {
 	h.Level = SOL_SOCKET
 	h.Type = SCM_CREDENTIALS
 	h.SetLen(CmsgLen(SizeofUcred))
-	*((*Ucred)(cmsgData(h))) = *ucred
+	*(*Ucred)(h.data(0)) = *ucred
 	return b
 }
 

vendor/golang.org/x/sys/unix/sockcmsg_unix.go

@@ -9,35 +9,9 @@
 package unix
 
 import (
-	"runtime"
 	"unsafe"
 )
 
-// Round the length of a raw sockaddr up to align it properly.
-func cmsgAlignOf(salen int) int {
-	salign := SizeofPtr
-
-	switch runtime.GOOS {
-	case "aix":
-		// There is no alignment on AIX.
-		salign = 1
-	case "darwin", "dragonfly", "solaris", "illumos":
-		// NOTE: It seems like 64-bit Darwin, DragonFly BSD,
-		// illumos, and Solaris kernels still require 32-bit
-		// aligned access to network subsystem.
-		if SizeofPtr == 8 {
-			salign = 4
-		}
-	case "netbsd", "openbsd":
-		// NetBSD and OpenBSD armv7 require 64-bit alignment.
-		if runtime.GOARCH == "arm" {
-			salign = 8
-		}
-	}
-
-	return (salen + salign - 1) & ^(salign - 1)
-}
-
 // CmsgLen returns the value to store in the Len field of the Cmsghdr
 // structure, taking into account any necessary alignment.
 func CmsgLen(datalen int) int {
@@ -50,8 +24,8 @@ func CmsgSpace(datalen int) int {
 	return cmsgAlignOf(SizeofCmsghdr) + cmsgAlignOf(datalen)
 }
 
-func cmsgData(h *Cmsghdr) unsafe.Pointer {
+func (h *Cmsghdr) data(offset uintptr) unsafe.Pointer {
-	return unsafe.Pointer(uintptr(unsafe.Pointer(h)) + uintptr(cmsgAlignOf(SizeofCmsghdr)))
+	return unsafe.Pointer(uintptr(unsafe.Pointer(h)) + uintptr(cmsgAlignOf(SizeofCmsghdr)) + offset)
 }
 
 // SocketControlMessage represents a socket control message.
@@ -94,10 +68,8 @@ func UnixRights(fds ...int) []byte {
 	h.Level = SOL_SOCKET
 	h.Type = SCM_RIGHTS
 	h.SetLen(CmsgLen(datalen))
-	data := cmsgData(h)
+	for i, fd := range fds {
-	for _, fd := range fds {
+		*(*int32)(h.data(4 * uintptr(i))) = int32(fd)
-		*(*int32)(data) = int32(fd)
-		data = unsafe.Pointer(uintptr(data) + 4)
 	}
 	return b
 }

vendor/golang.org/x/sys/unix/sockcmsg_unix_other.go

@@ -0,0 +1,38 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build aix darwin freebsd linux netbsd openbsd solaris
+
+package unix
+
+import (
+	"runtime"
+)
+
+// Round the length of a raw sockaddr up to align it properly.
+func cmsgAlignOf(salen int) int {
+	salign := SizeofPtr
+
+	// dragonfly needs to check ABI version at runtime, see cmsgAlignOf in
+	// sockcmsg_dragonfly.go
+	switch runtime.GOOS {
+	case "aix":
+		// There is no alignment on AIX.
+		salign = 1
+	case "darwin", "illumos", "solaris":
+		// NOTE: It seems like 64-bit Darwin, Illumos and Solaris
+		// kernels still require 32-bit aligned access to network
+		// subsystem.
+		if SizeofPtr == 8 {
+			salign = 4
+		}
+	case "netbsd", "openbsd":
+		// NetBSD and OpenBSD armv7 require 64-bit alignment.
+		if runtime.GOARCH == "arm" {
+			salign = 8
+		}
+	}
+
+	return (salen + salign - 1) & ^(salign - 1)
+}

vendor/golang.org/x/sys/unix/syscall_aix.go

@@ -280,8 +280,24 @@ func sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 	return -1, ENOSYS
 }
 
+func direntIno(buf []byte) (uint64, bool) {
+	return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
+}
+
+func direntReclen(buf []byte) (uint64, bool) {
+	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
+}
+
+func direntNamlen(buf []byte) (uint64, bool) {
+	reclen, ok := direntReclen(buf)
+	if !ok {
+		return 0, false
+	}
+	return reclen - uint64(unsafe.Offsetof(Dirent{}.Name)), true
+}
+
 //sys	getdirent(fd int, buf []byte) (n int, err error)
-func ReadDirent(fd int, buf []byte) (n int, err error) {
+func Getdents(fd int, buf []byte) (n int, err error) {
 	return getdirent(fd, buf)
 }
 
@@ -334,49 +350,12 @@ func (w WaitStatus) Signal() Signal {
 
 func (w WaitStatus) Continued() bool { return w&0x01000000 != 0 }
 
-func (w WaitStatus) CoreDump() bool { return w&0x200 != 0 }
+func (w WaitStatus) CoreDump() bool { return w&0x80 == 0x80 }
 
 func (w WaitStatus) TrapCause() int { return -1 }
 
 //sys	ioctl(fd int, req uint, arg uintptr) (err error)
 
-// ioctl itself should not be exposed directly, but additional get/set
-// functions for specific types are permissible.
-
-// IoctlSetInt performs an ioctl operation which sets an integer value
-// on fd, using the specified request number.
-func IoctlSetInt(fd int, req uint, value int) error {
-	return ioctl(fd, req, uintptr(value))
-}
-
-func ioctlSetWinsize(fd int, req uint, value *Winsize) error {
-	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
-}
-
-func ioctlSetTermios(fd int, req uint, value *Termios) error {
-	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
-}
-
-// IoctlGetInt performs an ioctl operation which gets an integer value
-// from fd, using the specified request number.
-func IoctlGetInt(fd int, req uint) (int, error) {
-	var value int
-	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
-	return value, err
-}
-
-func IoctlGetWinsize(fd int, req uint) (*Winsize, error) {
-	var value Winsize
-	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
-	return &value, err
-}
-
-func IoctlGetTermios(fd int, req uint) (*Termios, error) {
-	var value Termios
-	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
-	return &value, err
-}
-
 // fcntl must never be called with cmd=F_DUP2FD because it doesn't work on AIX
 // There is no way to create a custom fcntl and to keep //sys fcntl easily,
 // Therefore, the programmer must call dup2 instead of fcntl in this case.

vendor/golang.org/x/sys/unix/syscall_aix_ppc.go

@@ -29,6 +29,10 @@ func (msghdr *Msghdr) SetControllen(length int) {
 	msghdr.Controllen = uint32(length)
 }
 
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = int32(length)
+}
+
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint32(length)
 }

vendor/golang.org/x/sys/unix/syscall_aix_ppc64.go

@@ -29,6 +29,10 @@ func (msghdr *Msghdr) SetControllen(length int) {
 	msghdr.Controllen = uint32(length)
 }
 
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = int32(length)
+}
+
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint32(length)
 }

vendor/golang.org/x/sys/unix/syscall_bsd.go

@@ -63,15 +63,6 @@ func Setgroups(gids []int) (err error) {
 	return setgroups(len(a), &a[0])
 }
 
-func ReadDirent(fd int, buf []byte) (n int, err error) {
-	// Final argument is (basep *uintptr) and the syscall doesn't take nil.
-	// 64 bits should be enough. (32 bits isn't even on 386). Since the
-	// actual system call is getdirentries64, 64 is a good guess.
-	// TODO(rsc): Can we use a single global basep for all calls?
-	var base = (*uintptr)(unsafe.Pointer(new(uint64)))
-	return Getdirentries(fd, buf, base)
-}
-
 // Wait status is 7 bits at bottom, either 0 (exited),
 // 0x7F (stopped), or a signal number that caused an exit.
 // The 0x80 bit is whether there was a core dump.
@@ -86,6 +77,7 @@ const (
 	shift = 8
 
 	exited  = 0
+	killed  = 9
 	stopped = 0x7F
 )
 
@@ -112,6 +104,8 @@ func (w WaitStatus) CoreDump() bool { return w.Signaled() && w&core != 0 }
 
 func (w WaitStatus) Stopped() bool { return w&mask == stopped && syscall.Signal(w>>shift) != SIGSTOP }
 
+func (w WaitStatus) Killed() bool { return w&mask == killed && syscall.Signal(w>>shift) != SIGKILL }
+
 func (w WaitStatus) Continued() bool { return w&mask == stopped && syscall.Signal(w>>shift) == SIGSTOP }
 
 func (w WaitStatus) StopSignal() syscall.Signal {
@@ -243,7 +237,7 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
 				break
 			}
 		}
-		bytes := (*[10000]byte)(unsafe.Pointer(&pp.Path[0]))[0:n]
+		bytes := (*[len(pp.Path)]byte)(unsafe.Pointer(&pp.Path[0]))[0:n]
 		sa.Name = string(bytes)
 		return sa, nil
 
@@ -419,8 +413,6 @@ func Kevent(kq int, changes, events []Kevent_t, timeout *Timespec) (n int, err e
 	return kevent(kq, change, len(changes), event, len(events), timeout)
 }
 
-//sys	sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL
-
 // sysctlmib translates name to mib number and appends any additional args.
 func sysctlmib(name string, args ...int) ([]_C_int, error) {
 	// Translate name to mib number.
@@ -518,6 +510,40 @@ func SysctlRaw(name string, args ...int) ([]byte, error) {
 	return buf[:n], nil
 }
 
+func SysctlClockinfo(name string) (*Clockinfo, error) {
+	mib, err := sysctlmib(name)
+	if err != nil {
+		return nil, err
+	}
+
+	n := uintptr(SizeofClockinfo)
+	var ci Clockinfo
+	if err := sysctl(mib, (*byte)(unsafe.Pointer(&ci)), &n, nil, 0); err != nil {
+		return nil, err
+	}
+	if n != SizeofClockinfo {
+		return nil, EIO
+	}
+	return &ci, nil
+}
+
+func SysctlTimeval(name string) (*Timeval, error) {
+	mib, err := sysctlmib(name)
+	if err != nil {
+		return nil, err
+	}
+
+	var tv Timeval
+	n := uintptr(unsafe.Sizeof(tv))
+	if err := sysctl(mib, (*byte)(unsafe.Pointer(&tv)), &n, nil, 0); err != nil {
+		return nil, err
+	}
+	if n != unsafe.Sizeof(tv) {
+		return nil, EIO
+	}
+	return &tv, nil
+}
+
 //sys	utimes(path string, timeval *[2]Timeval) (err error)
 
 func Utimes(path string, tv []Timeval) error {
@@ -585,8 +611,6 @@ func Futimes(fd int, tv []Timeval) error {
 	return futimes(fd, (*[2]Timeval)(unsafe.Pointer(&tv[0])))
 }
 
-//sys	fcntl(fd int, cmd int, arg int) (val int, err error)
-
 //sys   poll(fds *PollFd, nfds int, timeout int) (n int, err error)
 
 func Poll(fds []PollFd, timeout int) (n int, err error) {

vendor/golang.org/x/sys/unix/syscall_darwin.1_12.go

@@ -0,0 +1,31 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build darwin,go1.12,!go1.13
+
+package unix
+
+import (
+	"unsafe"
+)
+
+const _SYS_GETDIRENTRIES64 = 344
+
+func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
+	// To implement this using libSystem we'd need syscall_syscallPtr for
+	// fdopendir. However, syscallPtr was only added in Go 1.13, so we fall
+	// back to raw syscalls for this func on Go 1.12.
+	var p unsafe.Pointer
+	if len(buf) > 0 {
+		p = unsafe.Pointer(&buf[0])
+	} else {
+		p = unsafe.Pointer(&_zero)
+	}
+	r0, _, e1 := Syscall6(_SYS_GETDIRENTRIES64, uintptr(fd), uintptr(p), uintptr(len(buf)), uintptr(unsafe.Pointer(basep)), 0, 0)
+	n = int(r0)
+	if e1 != 0 {
+		return n, errnoErr(e1)
+	}
+	return n, nil
+}

vendor/golang.org/x/sys/unix/syscall_darwin.1_13.go

@@ -0,0 +1,108 @@
+// Copyright 2019 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build darwin,go1.13
+
+package unix
+
+import (
+	"unsafe"
+
+	"golang.org/x/sys/internal/unsafeheader"
+)
+
+//sys	closedir(dir uintptr) (err error)
+//sys	readdir_r(dir uintptr, entry *Dirent, result **Dirent) (res Errno)
+
+func fdopendir(fd int) (dir uintptr, err error) {
+	r0, _, e1 := syscall_syscallPtr(funcPC(libc_fdopendir_trampoline), uintptr(fd), 0, 0)
+	dir = uintptr(r0)
+	if e1 != 0 {
+		err = errnoErr(e1)
+	}
+	return
+}
+
+func libc_fdopendir_trampoline()
+
+//go:linkname libc_fdopendir libc_fdopendir
+//go:cgo_import_dynamic libc_fdopendir fdopendir "/usr/lib/libSystem.B.dylib"
+
+func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
+	// Simulate Getdirentries using fdopendir/readdir_r/closedir.
+	// We store the number of entries to skip in the seek
+	// offset of fd. See issue #31368.
+	// It's not the full required semantics, but should handle the case
+	// of calling Getdirentries or ReadDirent repeatedly.
+	// It won't handle assigning the results of lseek to *basep, or handle
+	// the directory being edited underfoot.
+	skip, err := Seek(fd, 0, 1 /* SEEK_CUR */)
+	if err != nil {
+		return 0, err
+	}
+
+	// We need to duplicate the incoming file descriptor
+	// because the caller expects to retain control of it, but
+	// fdopendir expects to take control of its argument.
+	// Just Dup'ing the file descriptor is not enough, as the
+	// result shares underlying state. Use Openat to make a really
+	// new file descriptor referring to the same directory.
+	fd2, err := Openat(fd, ".", O_RDONLY, 0)
+	if err != nil {
+		return 0, err
+	}
+	d, err := fdopendir(fd2)
+	if err != nil {
+		Close(fd2)
+		return 0, err
+	}
+	defer closedir(d)
+
+	var cnt int64
+	for {
+		var entry Dirent
+		var entryp *Dirent
+		e := readdir_r(d, &entry, &entryp)
+		if e != 0 {
+			return n, errnoErr(e)
+		}
+		if entryp == nil {
+			break
+		}
+		if skip > 0 {
+			skip--
+			cnt++
+			continue
+		}
+
+		reclen := int(entry.Reclen)
+		if reclen > len(buf) {
+			// Not enough room. Return for now.
+			// The counter will let us know where we should start up again.
+			// Note: this strategy for suspending in the middle and
+			// restarting is O(n^2) in the length of the directory. Oh well.
+			break
+		}
+
+		// Copy entry into return buffer.
+		var s []byte
+		hdr := (*unsafeheader.Slice)(unsafe.Pointer(&s))
+		hdr.Data = unsafe.Pointer(&entry)
+		hdr.Cap = reclen
+		hdr.Len = reclen
+		copy(buf, s)
+
+		buf = buf[reclen:]
+		n += reclen
+		cnt++
+	}
+	// Set the seek offset of the input fd to record
+	// how many files we've already returned.
+	_, err = Seek(fd, cnt, 0 /* SEEK_SET */)
+	if err != nil {
+		return n, err
+	}
+
+	return n, nil
+}

vendor/golang.org/x/sys/unix/syscall_darwin.go

@@ -49,6 +49,11 @@ type SockaddrDatalink struct {
 	raw    RawSockaddrDatalink
 }
 
+// Some external packages rely on SYS___SYSCTL being defined to implement their
+// own sysctl wrappers. Provide it here, even though direct syscalls are no
+// longer supported on darwin.
+const SYS___SYSCTL = 202
+
 // Translate "kern.hostname" to []_C_int{0,1,2,3}.
 func nametomib(name string) (mib []_C_int, err error) {
 	const siz = unsafe.Sizeof(mib[0])
@@ -77,7 +82,18 @@ func nametomib(name string) (mib []_C_int, err error) {
 	return buf[0 : n/siz], nil
 }
 
-//sys   ptrace(request int, pid int, addr uintptr, data uintptr) (err error)
+func direntIno(buf []byte) (uint64, bool) {
+	return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
+}
+
+func direntReclen(buf []byte) (uint64, bool) {
+	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
+}
+
+func direntNamlen(buf []byte) (uint64, bool) {
+	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
+}
+
 func PtraceAttach(pid int) (err error) { return ptrace(PT_ATTACH, pid, 0, 0) }
 func PtraceDetach(pid int) (err error) { return ptrace(PT_DETACH, pid, 0, 0) }
 
@@ -144,23 +160,6 @@ func getAttrList(path string, attrList attrList, attrBuf []byte, options uint) (
 
 //sys getattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error)
 
-func SysctlClockinfo(name string) (*Clockinfo, error) {
-	mib, err := sysctlmib(name)
-	if err != nil {
-		return nil, err
-	}
-
-	n := uintptr(SizeofClockinfo)
-	var ci Clockinfo
-	if err := sysctl(mib, (*byte)(unsafe.Pointer(&ci)), &n, nil, 0); err != nil {
-		return nil, err
-	}
-	if n != SizeofClockinfo {
-		return nil, EIO
-	}
-	return &ci, nil
-}
-
 //sysnb pipe() (r int, w int, err error)
 
 func Pipe(p []int) (err error) {
@@ -322,48 +321,15 @@ func utimensat(dirfd int, path string, times *[2]Timespec, flags int) error {
  * Wrapped
  */
 
+//sys	fcntl(fd int, cmd int, arg int) (val int, err error)
+
 //sys	kill(pid int, signum int, posix int) (err error)
 
 func Kill(pid int, signum syscall.Signal) (err error) { return kill(pid, int(signum), 1) }
 
 //sys	ioctl(fd int, req uint, arg uintptr) (err error)
 
-// ioctl itself should not be exposed directly, but additional get/set
+//sys   sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS_SYSCTL
-// functions for specific types are permissible.
-
-// IoctlSetInt performs an ioctl operation which sets an integer value
-// on fd, using the specified request number.
-func IoctlSetInt(fd int, req uint, value int) error {
-	return ioctl(fd, req, uintptr(value))
-}
-
-func ioctlSetWinsize(fd int, req uint, value *Winsize) error {
-	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
-}
-
-func ioctlSetTermios(fd int, req uint, value *Termios) error {
-	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
-}
-
-// IoctlGetInt performs an ioctl operation which gets an integer value
-// from fd, using the specified request number.
-func IoctlGetInt(fd int, req uint) (int, error) {
-	var value int
-	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
-	return value, err
-}
-
-func IoctlGetWinsize(fd int, req uint) (*Winsize, error) {
-	var value Winsize
-	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
-	return &value, err
-}
-
-func IoctlGetTermios(fd int, req uint) (*Termios, error) {
-	var value Termios
-	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
-	return &value, err
-}
 
 func Uname(uname *Utsname) error {
 	mib := []_C_int{CTL_KERN, KERN_OSTYPE}
@@ -462,6 +428,7 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 //sysnb	Getrlimit(which int, lim *Rlimit) (err error)
 //sysnb	Getrusage(who int, rusage *Rusage) (err error)
 //sysnb	Getsid(pid int) (sid int, err error)
+//sysnb	Gettimeofday(tp *Timeval) (err error)
 //sysnb	Getuid() (uid int)
 //sysnb	Issetugid() (tainted bool)
 //sys	Kqueue() (fd int, err error)
@@ -486,7 +453,7 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 //sys	Revoke(path string) (err error)
 //sys	Rmdir(path string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
-//sys	Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error)
+//sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
 //sys	Setegid(egid int) (err error)
 //sysnb	Seteuid(euid int) (err error)
 //sysnb	Setgid(gid int) (err error)

vendor/golang.org/x/sys/unix/syscall_darwin_386.go

@@ -10,6 +10,8 @@ import (
 	"syscall"
 )
 
+//sys   ptrace(request int, pid int, addr uintptr, data uintptr) (err error)
+
 func setTimespec(sec, nsec int64) Timespec {
 	return Timespec{Sec: int32(sec), Nsec: int32(nsec)}
 }
@@ -18,17 +20,6 @@ func setTimeval(sec, usec int64) Timeval {
 	return Timeval{Sec: int32(sec), Usec: int32(usec)}
 }
 
-//sysnb	gettimeofday(tp *Timeval) (sec int32, usec int32, err error)
-func Gettimeofday(tv *Timeval) (err error) {
-	// The tv passed to gettimeofday must be non-nil
-	// but is otherwise unused. The answers come back
-	// in the two registers.
-	sec, usec, err := gettimeofday(tv)
-	tv.Sec = int32(sec)
-	tv.Usec = int32(usec)
-	return err
-}
-
 func SetKevent(k *Kevent_t, fd, mode, flags int) {
 	k.Ident = uint32(fd)
 	k.Filter = int16(mode)
@@ -43,20 +34,19 @@ func (msghdr *Msghdr) SetControllen(length int) {
 	msghdr.Controllen = uint32(length)
 }
 
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = int32(length)
+}
+
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint32(length)
 }
 
 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
 
-// SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
-// of darwin/386 the syscall is called sysctl instead of __sysctl.
-const SYS___SYSCTL = SYS_SYSCTL
-
 //sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
 //sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
 //sys	Fstatfs(fd int, stat *Statfs_t) (err error) = SYS_FSTATFS64
-//sys	Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) = SYS_GETDIRENTRIES64
 //sys	getfsstat(buf unsafe.Pointer, size uintptr, flags int) (n int, err error) = SYS_GETFSSTAT64
 //sys	Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
 //sys	Stat(path string, stat *Stat_t) (err error) = SYS_STAT64

vendor/golang.org/x/sys/unix/syscall_darwin_amd64.go

@@ -10,6 +10,8 @@ import (
 	"syscall"
 )
 
+//sys   ptrace(request int, pid int, addr uintptr, data uintptr) (err error)
+
 func setTimespec(sec, nsec int64) Timespec {
 	return Timespec{Sec: sec, Nsec: nsec}
 }
@@ -18,17 +20,6 @@ func setTimeval(sec, usec int64) Timeval {
 	return Timeval{Sec: sec, Usec: int32(usec)}
 }
 
-//sysnb	gettimeofday(tp *Timeval) (sec int64, usec int32, err error)
-func Gettimeofday(tv *Timeval) (err error) {
-	// The tv passed to gettimeofday must be non-nil
-	// but is otherwise unused. The answers come back
-	// in the two registers.
-	sec, usec, err := gettimeofday(tv)
-	tv.Sec = sec
-	tv.Usec = usec
-	return err
-}
-
 func SetKevent(k *Kevent_t, fd, mode, flags int) {
 	k.Ident = uint64(fd)
 	k.Filter = int16(mode)
@@ -43,20 +34,19 @@ func (msghdr *Msghdr) SetControllen(length int) {
 	msghdr.Controllen = uint32(length)
 }
 
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = int32(length)
+}
+
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint32(length)
 }
 
 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
 
-// SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
-// of darwin/amd64 the syscall is called sysctl instead of __sysctl.
-const SYS___SYSCTL = SYS_SYSCTL
-
 //sys	Fstat(fd int, stat *Stat_t) (err error) = SYS_FSTAT64
 //sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) = SYS_FSTATAT64
 //sys	Fstatfs(fd int, stat *Statfs_t) (err error) = SYS_FSTATFS64
-//sys	Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) = SYS_GETDIRENTRIES64
 //sys	getfsstat(buf unsafe.Pointer, size uintptr, flags int) (n int, err error) = SYS_GETFSSTAT64
 //sys	Lstat(path string, stat *Stat_t) (err error) = SYS_LSTAT64
 //sys	Stat(path string, stat *Stat_t) (err error) = SYS_STAT64

vendor/golang.org/x/sys/unix/syscall_darwin_arm.go

@@ -8,6 +8,10 @@ import (
 	"syscall"
 )
 
+func ptrace(request int, pid int, addr uintptr, data uintptr) error {
+	return ENOTSUP
+}
+
 func setTimespec(sec, nsec int64) Timespec {
 	return Timespec{Sec: int32(sec), Nsec: int32(nsec)}
 }
@@ -16,17 +20,6 @@ func setTimeval(sec, usec int64) Timeval {
 	return Timeval{Sec: int32(sec), Usec: int32(usec)}
 }
 
-//sysnb	gettimeofday(tp *Timeval) (sec int32, usec int32, err error)
-func Gettimeofday(tv *Timeval) (err error) {
-	// The tv passed to gettimeofday must be non-nil
-	// but is otherwise unused. The answers come back
-	// in the two registers.
-	sec, usec, err := gettimeofday(tv)
-	tv.Sec = int32(sec)
-	tv.Usec = int32(usec)
-	return err
-}
-
 func SetKevent(k *Kevent_t, fd, mode, flags int) {
 	k.Ident = uint32(fd)
 	k.Filter = int16(mode)
@@ -41,16 +34,16 @@ func (msghdr *Msghdr) SetControllen(length int) {
 	msghdr.Controllen = uint32(length)
 }
 
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = int32(length)
+}
+
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint32(length)
 }
 
 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) // sic
 
-// SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
-// of darwin/arm the syscall is called sysctl instead of __sysctl.
-const SYS___SYSCTL = SYS_SYSCTL
-
 //sys	Fstat(fd int, stat *Stat_t) (err error)
 //sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
 //sys	Fstatfs(fd int, stat *Statfs_t) (err error)
@@ -58,7 +51,3 @@ const SYS___SYSCTL = SYS_SYSCTL
 //sys	Lstat(path string, stat *Stat_t) (err error)
 //sys	Stat(path string, stat *Stat_t) (err error)
 //sys	Statfs(path string, stat *Statfs_t) (err error)
-
-func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
-	return 0, ENOSYS
-}

vendor/golang.org/x/sys/unix/syscall_darwin_arm64.go

@@ -10,6 +10,10 @@ import (
 	"syscall"
 )
 
+func ptrace(request int, pid int, addr uintptr, data uintptr) error {
+	return ENOTSUP
+}
+
 func setTimespec(sec, nsec int64) Timespec {
 	return Timespec{Sec: sec, Nsec: nsec}
 }
@@ -18,17 +22,6 @@ func setTimeval(sec, usec int64) Timeval {
 	return Timeval{Sec: sec, Usec: int32(usec)}
 }
 
-//sysnb	gettimeofday(tp *Timeval) (sec int64, usec int32, err error)
-func Gettimeofday(tv *Timeval) (err error) {
-	// The tv passed to gettimeofday must be non-nil
-	// but is otherwise unused. The answers come back
-	// in the two registers.
-	sec, usec, err := gettimeofday(tv)
-	tv.Sec = sec
-	tv.Usec = usec
-	return err
-}
-
 func SetKevent(k *Kevent_t, fd, mode, flags int) {
 	k.Ident = uint64(fd)
 	k.Filter = int16(mode)
@@ -43,16 +36,16 @@ func (msghdr *Msghdr) SetControllen(length int) {
 	msghdr.Controllen = uint32(length)
 }
 
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = int32(length)
+}
+
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint32(length)
 }
 
 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) // sic
 
-// SYS___SYSCTL is used by syscall_bsd.go for all BSDs, but in modern versions
-// of darwin/arm64 the syscall is called sysctl instead of __sysctl.
-const SYS___SYSCTL = SYS_SYSCTL
-
 //sys	Fstat(fd int, stat *Stat_t) (err error)
 //sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
 //sys	Fstatfs(fd int, stat *Statfs_t) (err error)
@@ -60,7 +53,3 @@ const SYS___SYSCTL = SYS_SYSCTL
 //sys	Lstat(path string, stat *Stat_t) (err error)
 //sys	Stat(path string, stat *Stat_t) (err error)
 //sys	Statfs(path string, stat *Statfs_t) (err error)
-
-func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
-	return 0, ENOSYS
-}

vendor/golang.org/x/sys/unix/syscall_darwin_libSystem.go

@@ -15,6 +15,7 @@ func syscall_syscall6X(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err
 func syscall_syscall9(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) // 32-bit only
 func syscall_rawSyscall(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
 func syscall_rawSyscall6(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
+func syscall_syscallPtr(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
 
 //go:linkname syscall_syscall syscall.syscall
 //go:linkname syscall_syscall6 syscall.syscall6
@@ -22,6 +23,7 @@ func syscall_rawSyscall6(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, er
 //go:linkname syscall_syscall9 syscall.syscall9
 //go:linkname syscall_rawSyscall syscall.rawSyscall
 //go:linkname syscall_rawSyscall6 syscall.rawSyscall6
+//go:linkname syscall_syscallPtr syscall.syscallPtr
 
 // Find the entry point for f. See comments in runtime/proc.go for the
 // function of the same name.

vendor/golang.org/x/sys/unix/syscall_dragonfly.go

@@ -12,7 +12,25 @@
 
 package unix
 
-import "unsafe"
+import (
+	"sync"
+	"unsafe"
+)
+
+// See version list in https://github.com/DragonFlyBSD/DragonFlyBSD/blob/master/sys/sys/param.h
+var (
+	osreldateOnce sync.Once
+	osreldate     uint32
+)
+
+// First __DragonFly_version after September 2019 ABI changes
+// http://lists.dragonflybsd.org/pipermail/users/2019-September/358280.html
+const _dragonflyABIChangeVersion = 500705
+
+func supportsABI(ver uint32) bool {
+	osreldateOnce.Do(func() { osreldate, _ = SysctlUint32("kern.osreldate") })
+	return osreldate >= ver
+}
 
 // SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets.
 type SockaddrDatalink struct {
@@ -57,6 +75,22 @@ func nametomib(name string) (mib []_C_int, err error) {
 	return buf[0 : n/siz], nil
 }
 
+func direntIno(buf []byte) (uint64, bool) {
+	return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
+}
+
+func direntReclen(buf []byte) (uint64, bool) {
+	namlen, ok := direntNamlen(buf)
+	if !ok {
+		return 0, false
+	}
+	return (16 + namlen + 1 + 7) &^ 7, true
+}
+
+func direntNamlen(buf []byte) (uint64, bool) {
+	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
+}
+
 //sysnb pipe() (r int, w int, err error)
 
 func Pipe(p []int) (err error) {
@@ -134,42 +168,7 @@ func setattrlistTimes(path string, times []Timespec, flags int) error {
 
 //sys	ioctl(fd int, req uint, arg uintptr) (err error)
 
-// ioctl itself should not be exposed directly, but additional get/set
+//sys   sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL
-// functions for specific types are permissible.
-
-// IoctlSetInt performs an ioctl operation which sets an integer value
-// on fd, using the specified request number.
-func IoctlSetInt(fd int, req uint, value int) error {
-	return ioctl(fd, req, uintptr(value))
-}
-
-func ioctlSetWinsize(fd int, req uint, value *Winsize) error {
-	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
-}
-
-func ioctlSetTermios(fd int, req uint, value *Termios) error {
-	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
-}
-
-// IoctlGetInt performs an ioctl operation which gets an integer value
-// from fd, using the specified request number.
-func IoctlGetInt(fd int, req uint) (int, error) {
-	var value int
-	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
-	return value, err
-}
-
-func IoctlGetWinsize(fd int, req uint) (*Winsize, error) {
-	var value Winsize
-	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
-	return &value, err
-}
-
-func IoctlGetTermios(fd int, req uint) (*Termios, error) {
-	var value Termios
-	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
-	return &value, err
-}
 
 func sysctlUname(mib []_C_int, old *byte, oldlen *uintptr) error {
 	err := sysctl(mib, old, oldlen, nil, 0)
@@ -269,6 +268,7 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 //sys	Fstatfs(fd int, stat *Statfs_t) (err error)
 //sys	Fsync(fd int) (err error)
 //sys	Ftruncate(fd int, length int64) (err error)
+//sys	Getdents(fd int, buf []byte) (n int, err error)
 //sys	Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error)
 //sys	Getdtablesize() (size int)
 //sysnb	Getegid() (egid int)
@@ -308,7 +308,7 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 //sys	Revoke(path string) (err error)
 //sys	Rmdir(path string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
-//sys	Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error)
+//sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
 //sysnb	Setegid(egid int) (err error)
 //sysnb	Seteuid(euid int) (err error)
 //sysnb	Setgid(gid int) (err error)

vendor/golang.org/x/sys/unix/syscall_dragonfly_amd64.go

@@ -33,6 +33,10 @@ func (msghdr *Msghdr) SetControllen(length int) {
 	msghdr.Controllen = uint32(length)
 }
 
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = int32(length)
+}
+
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint32(length)
 }

vendor/golang.org/x/sys/unix/syscall_freebsd.go

@@ -82,6 +82,18 @@ func nametomib(name string) (mib []_C_int, err error) {
 	return buf[0 : n/siz], nil
 }
 
+func direntIno(buf []byte) (uint64, bool) {
+	return readInt(buf, unsafe.Offsetof(Dirent{}.Fileno), unsafe.Sizeof(Dirent{}.Fileno))
+}
+
+func direntReclen(buf []byte) (uint64, bool) {
+	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
+}
+
+func direntNamlen(buf []byte) (uint64, bool) {
+	return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen))
+}
+
 func Pipe(p []int) (err error) {
 	return Pipe2(p, 0)
 }
@@ -189,42 +201,7 @@ func setattrlistTimes(path string, times []Timespec, flags int) error {
 
 //sys   ioctl(fd int, req uint, arg uintptr) (err error)
 
-// ioctl itself should not be exposed directly, but additional get/set
+//sys   sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS___SYSCTL
-// functions for specific types are permissible.
-
-// IoctlSetInt performs an ioctl operation which sets an integer value
-// on fd, using the specified request number.
-func IoctlSetInt(fd int, req uint, value int) error {
-	return ioctl(fd, req, uintptr(value))
-}
-
-func ioctlSetWinsize(fd int, req uint, value *Winsize) error {
-	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
-}
-
-func ioctlSetTermios(fd int, req uint, value *Termios) error {
-	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
-}
-
-// IoctlGetInt performs an ioctl operation which gets an integer value
-// from fd, using the specified request number.
-func IoctlGetInt(fd int, req uint) (int, error) {
-	var value int
-	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
-	return value, err
-}
-
-func IoctlGetWinsize(fd int, req uint) (*Winsize, error) {
-	var value Winsize
-	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
-	return &value, err
-}
-
-func IoctlGetTermios(fd int, req uint) (*Termios, error) {
-	var value Termios
-	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
-	return &value, err
-}
 
 func Uname(uname *Utsname) error {
 	mib := []_C_int{CTL_KERN, KERN_OSTYPE}
@@ -362,7 +339,7 @@ func Getdents(fd int, buf []byte) (n int, err error) {
 
 func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) {
 	if supportsABI(_ino64First) {
-		if unsafe.Sizeof(*basep) == 8 {
+		if basep == nil || unsafe.Sizeof(*basep) == 8 {
 			return getdirentries_freebsd12(fd, buf, (*uint64)(unsafe.Pointer(basep)))
 		}
 		// The freebsd12 syscall needs a 64-bit base. On 32-bit machines
@@ -485,8 +462,12 @@ func convertFromDirents11(buf []byte, old []byte) int {
 	dstPos := 0
 	srcPos := 0
 	for dstPos+fixedSize < len(buf) && srcPos+oldFixedSize < len(old) {
-		dstDirent := (*Dirent)(unsafe.Pointer(&buf[dstPos]))
+		var dstDirent Dirent
-		srcDirent := (*dirent_freebsd11)(unsafe.Pointer(&old[srcPos]))
+		var srcDirent dirent_freebsd11
+
+		// If multiple direntries are written, sometimes when we reach the final one,
+		// we may have cap of old less than size of dirent_freebsd11.
+		copy((*[unsafe.Sizeof(srcDirent)]byte)(unsafe.Pointer(&srcDirent))[:], old[srcPos:])
 
 		reclen := roundup(fixedSize+int(srcDirent.Namlen)+1, 8)
 		if dstPos+reclen > len(buf) {
@@ -502,6 +483,7 @@ func convertFromDirents11(buf []byte, old []byte) int {
 		dstDirent.Pad1 = 0
 
 		copy(dstDirent.Name[:], srcDirent.Name[:srcDirent.Namlen])
+		copy(buf[dstPos:], (*[unsafe.Sizeof(dstDirent)]byte)(unsafe.Pointer(&dstDirent))[:])
 		padding := buf[dstPos+fixedSize+int(dstDirent.Namlen) : dstPos+reclen]
 		for i := range padding {
 			padding[i] = 0
@@ -521,6 +503,60 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 	return sendfile(outfd, infd, offset, count)
 }
 
+//sys	ptrace(request int, pid int, addr uintptr, data int) (err error)
+
+func PtraceAttach(pid int) (err error) {
+	return ptrace(PTRACE_ATTACH, pid, 0, 0)
+}
+
+func PtraceCont(pid int, signal int) (err error) {
+	return ptrace(PTRACE_CONT, pid, 1, signal)
+}
+
+func PtraceDetach(pid int) (err error) {
+	return ptrace(PTRACE_DETACH, pid, 1, 0)
+}
+
+func PtraceGetFpRegs(pid int, fpregsout *FpReg) (err error) {
+	return ptrace(PTRACE_GETFPREGS, pid, uintptr(unsafe.Pointer(fpregsout)), 0)
+}
+
+func PtraceGetRegs(pid int, regsout *Reg) (err error) {
+	return ptrace(PTRACE_GETREGS, pid, uintptr(unsafe.Pointer(regsout)), 0)
+}
+
+func PtraceLwpEvents(pid int, enable int) (err error) {
+	return ptrace(PTRACE_LWPEVENTS, pid, 0, enable)
+}
+
+func PtraceLwpInfo(pid int, info uintptr) (err error) {
+	return ptrace(PTRACE_LWPINFO, pid, info, int(unsafe.Sizeof(PtraceLwpInfoStruct{})))
+}
+
+func PtracePeekData(pid int, addr uintptr, out []byte) (count int, err error) {
+	return PtraceIO(PIOD_READ_D, pid, addr, out, SizeofLong)
+}
+
+func PtracePeekText(pid int, addr uintptr, out []byte) (count int, err error) {
+	return PtraceIO(PIOD_READ_I, pid, addr, out, SizeofLong)
+}
+
+func PtracePokeData(pid int, addr uintptr, data []byte) (count int, err error) {
+	return PtraceIO(PIOD_WRITE_D, pid, addr, data, SizeofLong)
+}
+
+func PtracePokeText(pid int, addr uintptr, data []byte) (count int, err error) {
+	return PtraceIO(PIOD_WRITE_I, pid, addr, data, SizeofLong)
+}
+
+func PtraceSetRegs(pid int, regs *Reg) (err error) {
+	return ptrace(PTRACE_SETREGS, pid, uintptr(unsafe.Pointer(regs)), 0)
+}
+
+func PtraceSingleStep(pid int) (err error) {
+	return ptrace(PTRACE_SINGLESTEP, pid, 1, 0)
+}
+
 /*
  * Exposed directly
  */
@@ -612,7 +648,7 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 //sys	Revoke(path string) (err error)
 //sys	Rmdir(path string) (err error)
 //sys	Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK
-//sys	Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error)
+//sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
 //sysnb	Setegid(egid int) (err error)
 //sysnb	Seteuid(euid int) (err error)
 //sysnb	Setgid(gid int) (err error)

vendor/golang.org/x/sys/unix/syscall_freebsd_386.go

@@ -33,6 +33,10 @@ func (msghdr *Msghdr) SetControllen(length int) {
 	msghdr.Controllen = uint32(length)
 }
 
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = int32(length)
+}
+
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint32(length)
 }
@@ -50,3 +54,13 @@ func sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 }
 
 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
+
+func PtraceGetFsBase(pid int, fsbase *int64) (err error) {
+	return ptrace(PTRACE_GETFSBASE, pid, uintptr(unsafe.Pointer(fsbase)), 0)
+}
+
+func PtraceIO(req int, pid int, addr uintptr, out []byte, countin int) (count int, err error) {
+	ioDesc := PtraceIoDesc{Op: int32(req), Offs: (*byte)(unsafe.Pointer(addr)), Addr: (*byte)(unsafe.Pointer(&out[0])), Len: uint32(countin)}
+	err = ptrace(PTRACE_IO, pid, uintptr(unsafe.Pointer(&ioDesc)), 0)
+	return int(ioDesc.Len), err
+}

vendor/golang.org/x/sys/unix/syscall_freebsd_amd64.go

@@ -33,6 +33,10 @@ func (msghdr *Msghdr) SetControllen(length int) {
 	msghdr.Controllen = uint32(length)
 }
 
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = int32(length)
+}
+
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint32(length)
 }
@@ -50,3 +54,13 @@ func sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 }
 
 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
+
+func PtraceGetFsBase(pid int, fsbase *int64) (err error) {
+	return ptrace(PTRACE_GETFSBASE, pid, uintptr(unsafe.Pointer(fsbase)), 0)
+}
+
+func PtraceIO(req int, pid int, addr uintptr, out []byte, countin int) (count int, err error) {
+	ioDesc := PtraceIoDesc{Op: int32(req), Offs: (*byte)(unsafe.Pointer(addr)), Addr: (*byte)(unsafe.Pointer(&out[0])), Len: uint64(countin)}
+	err = ptrace(PTRACE_IO, pid, uintptr(unsafe.Pointer(&ioDesc)), 0)
+	return int(ioDesc.Len), err
+}

vendor/golang.org/x/sys/unix/syscall_freebsd_arm.go

@@ -33,6 +33,10 @@ func (msghdr *Msghdr) SetControllen(length int) {
 	msghdr.Controllen = uint32(length)
 }
 
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = int32(length)
+}
+
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint32(length)
 }
@@ -50,3 +54,9 @@ func sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 }
 
 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
+
+func PtraceIO(req int, pid int, addr uintptr, out []byte, countin int) (count int, err error) {
+	ioDesc := PtraceIoDesc{Op: int32(req), Offs: (*byte)(unsafe.Pointer(addr)), Addr: (*byte)(unsafe.Pointer(&out[0])), Len: uint32(countin)}
+	err = ptrace(PTRACE_IO, pid, uintptr(unsafe.Pointer(&ioDesc)), 0)
+	return int(ioDesc.Len), err
+}

vendor/golang.org/x/sys/unix/syscall_freebsd_arm64.go

@@ -33,6 +33,10 @@ func (msghdr *Msghdr) SetControllen(length int) {
 	msghdr.Controllen = uint32(length)
 }
 
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = int32(length)
+}
+
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint32(length)
 }
@@ -50,3 +54,9 @@ func sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 }
 
 func Syscall9(num, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
+
+func PtraceIO(req int, pid int, addr uintptr, out []byte, countin int) (count int, err error) {
+	ioDesc := PtraceIoDesc{Op: int32(req), Offs: (*byte)(unsafe.Pointer(addr)), Addr: (*byte)(unsafe.Pointer(&out[0])), Len: uint64(countin)}
+	err = ptrace(PTRACE_IO, pid, uintptr(unsafe.Pointer(&ioDesc)), 0)
+	return int(ioDesc.Len), err
+}

vendor/golang.org/x/sys/unix/syscall_illumos.go

@@ -0,0 +1,57 @@
+// Copyright 2009 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.
+
+// illumos system calls not present on Solaris.
+
+// +build amd64,illumos
+
+package unix
+
+import "unsafe"
+
+func bytes2iovec(bs [][]byte) []Iovec {
+	iovecs := make([]Iovec, len(bs))
+	for i, b := range bs {
+		iovecs[i].SetLen(len(b))
+		if len(b) > 0 {
+			// somehow Iovec.Base on illumos is (*int8), not (*byte)
+			iovecs[i].Base = (*int8)(unsafe.Pointer(&b[0]))
+		} else {
+			iovecs[i].Base = (*int8)(unsafe.Pointer(&_zero))
+		}
+	}
+	return iovecs
+}
+
+//sys   readv(fd int, iovs []Iovec) (n int, err error)
+
+func Readv(fd int, iovs [][]byte) (n int, err error) {
+	iovecs := bytes2iovec(iovs)
+	n, err = readv(fd, iovecs)
+	return n, err
+}
+
+//sys   preadv(fd int, iovs []Iovec, off int64) (n int, err error)
+
+func Preadv(fd int, iovs [][]byte, off int64) (n int, err error) {
+	iovecs := bytes2iovec(iovs)
+	n, err = preadv(fd, iovecs, off)
+	return n, err
+}
+
+//sys   writev(fd int, iovs []Iovec) (n int, err error)
+
+func Writev(fd int, iovs [][]byte) (n int, err error) {
+	iovecs := bytes2iovec(iovs)
+	n, err = writev(fd, iovecs)
+	return n, err
+}
+
+//sys   pwritev(fd int, iovs []Iovec, off int64) (n int, err error)
+
+func Pwritev(fd int, iovs [][]byte, off int64) (n int, err error) {
+	iovecs := bytes2iovec(iovs)
+	n, err = pwritev(fd, iovecs, off)
+	return n, err
+}

vendor/golang.org/x/sys/unix/syscall_linux.go

@@ -13,7 +13,6 @@ package unix
 
 import (
 	"encoding/binary"
-	"net"
 	"runtime"
 	"syscall"
 	"unsafe"
@@ -72,27 +71,15 @@ func Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) {
 // ioctl itself should not be exposed directly, but additional get/set
 // functions for specific types are permissible.
 
-// IoctlSetPointerInt performs an ioctl operation which sets an
+// IoctlRetInt performs an ioctl operation specified by req on a device
-// integer value on fd, using the specified request number. The ioctl
+// associated with opened file descriptor fd, and returns a non-negative
-// argument is called with a pointer to the integer value, rather than
+// integer that is returned by the ioctl syscall.
-// passing the integer value directly.
+func IoctlRetInt(fd int, req uint) (int, error) {
-func IoctlSetPointerInt(fd int, req uint, value int) error {
+	ret, _, err := Syscall(SYS_IOCTL, uintptr(fd), uintptr(req), 0)
-	v := int32(value)
+	if err != 0 {
-	return ioctl(fd, req, uintptr(unsafe.Pointer(&v)))
+		return 0, err
 	}
-
+	return int(ret), nil
-// IoctlSetInt performs an ioctl operation which sets an integer value
-// on fd, using the specified request number.
-func IoctlSetInt(fd int, req uint, value int) error {
-	return ioctl(fd, req, uintptr(value))
-}
-
-func ioctlSetWinsize(fd int, req uint, value *Winsize) error {
-	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
-}
-
-func ioctlSetTermios(fd int, req uint, value *Termios) error {
-	return ioctl(fd, req, uintptr(unsafe.Pointer(value)))
 }
 
 func IoctlSetRTCTime(fd int, value *RTCTime) error {
@@ -101,12 +88,10 @@ func IoctlSetRTCTime(fd int, value *RTCTime) error {
 	return err
 }
 
-// IoctlGetInt performs an ioctl operation which gets an integer value
+func IoctlSetRTCWkAlrm(fd int, value *RTCWkAlrm) error {
-// from fd, using the specified request number.
+	err := ioctl(fd, RTC_WKALM_SET, uintptr(unsafe.Pointer(value)))
-func IoctlGetInt(fd int, req uint) (int, error) {
+	runtime.KeepAlive(value)
-	var value int
+	return err
-	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
-	return value, err
 }
 
 func IoctlGetUint32(fd int, req uint) (uint32, error) {
@@ -115,24 +100,18 @@ func IoctlGetUint32(fd int, req uint) (uint32, error) {
 	return value, err
 }
 
-func IoctlGetWinsize(fd int, req uint) (*Winsize, error) {
-	var value Winsize
-	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
-	return &value, err
-}
-
-func IoctlGetTermios(fd int, req uint) (*Termios, error) {
-	var value Termios
-	err := ioctl(fd, req, uintptr(unsafe.Pointer(&value)))
-	return &value, err
-}
-
 func IoctlGetRTCTime(fd int) (*RTCTime, error) {
 	var value RTCTime
 	err := ioctl(fd, RTC_RD_TIME, uintptr(unsafe.Pointer(&value)))
 	return &value, err
 }
 
+func IoctlGetRTCWkAlrm(fd int) (*RTCWkAlrm, error) {
+	var value RTCWkAlrm
+	err := ioctl(fd, RTC_WKALM_RD, uintptr(unsafe.Pointer(&value)))
+	return &value, err
+}
+
 //sys	Linkat(olddirfd int, oldpath string, newdirfd int, newpath string, flags int) (err error)
 
 func Link(oldpath string, newpath string) (err error) {
@@ -765,7 +744,7 @@ const px_proto_oe = 0
 
 type SockaddrPPPoE struct {
 	SID    uint16
-	Remote net.HardwareAddr
+	Remote []byte
 	Dev    string
 	raw    RawSockaddrPPPoX
 }
@@ -799,6 +778,133 @@ func (sa *SockaddrPPPoE) sockaddr() (unsafe.Pointer, _Socklen, error) {
 	return unsafe.Pointer(&sa.raw), SizeofSockaddrPPPoX, nil
 }
 
+// SockaddrTIPC implements the Sockaddr interface for AF_TIPC type sockets.
+// For more information on TIPC, see: http://tipc.sourceforge.net/.
+type SockaddrTIPC struct {
+	// Scope is the publication scopes when binding service/service range.
+	// Should be set to TIPC_CLUSTER_SCOPE or TIPC_NODE_SCOPE.
+	Scope int
+
+	// Addr is the type of address used to manipulate a socket. Addr must be
+	// one of:
+	//  - *TIPCSocketAddr: "id" variant in the C addr union
+	//  - *TIPCServiceRange: "nameseq" variant in the C addr union
+	//  - *TIPCServiceName: "name" variant in the C addr union
+	//
+	// If nil, EINVAL will be returned when the structure is used.
+	Addr TIPCAddr
+
+	raw RawSockaddrTIPC
+}
+
+// TIPCAddr is implemented by types that can be used as an address for
+// SockaddrTIPC. It is only implemented by *TIPCSocketAddr, *TIPCServiceRange,
+// and *TIPCServiceName.
+type TIPCAddr interface {
+	tipcAddrtype() uint8
+	tipcAddr() [12]byte
+}
+
+func (sa *TIPCSocketAddr) tipcAddr() [12]byte {
+	var out [12]byte
+	copy(out[:], (*(*[unsafe.Sizeof(TIPCSocketAddr{})]byte)(unsafe.Pointer(sa)))[:])
+	return out
+}
+
+func (sa *TIPCSocketAddr) tipcAddrtype() uint8 { return TIPC_SOCKET_ADDR }
+
+func (sa *TIPCServiceRange) tipcAddr() [12]byte {
+	var out [12]byte
+	copy(out[:], (*(*[unsafe.Sizeof(TIPCServiceRange{})]byte)(unsafe.Pointer(sa)))[:])
+	return out
+}
+
+func (sa *TIPCServiceRange) tipcAddrtype() uint8 { return TIPC_SERVICE_RANGE }
+
+func (sa *TIPCServiceName) tipcAddr() [12]byte {
+	var out [12]byte
+	copy(out[:], (*(*[unsafe.Sizeof(TIPCServiceName{})]byte)(unsafe.Pointer(sa)))[:])
+	return out
+}
+
+func (sa *TIPCServiceName) tipcAddrtype() uint8 { return TIPC_SERVICE_ADDR }
+
+func (sa *SockaddrTIPC) sockaddr() (unsafe.Pointer, _Socklen, error) {
+	if sa.Addr == nil {
+		return nil, 0, EINVAL
+	}
+
+	sa.raw.Family = AF_TIPC
+	sa.raw.Scope = int8(sa.Scope)
+	sa.raw.Addrtype = sa.Addr.tipcAddrtype()
+	sa.raw.Addr = sa.Addr.tipcAddr()
+
+	return unsafe.Pointer(&sa.raw), SizeofSockaddrTIPC, nil
+}
+
+// SockaddrL2TPIP implements the Sockaddr interface for IPPROTO_L2TP/AF_INET sockets.
+type SockaddrL2TPIP struct {
+	Addr   [4]byte
+	ConnId uint32
+	raw    RawSockaddrL2TPIP
+}
+
+func (sa *SockaddrL2TPIP) sockaddr() (unsafe.Pointer, _Socklen, error) {
+	sa.raw.Family = AF_INET
+	sa.raw.Conn_id = sa.ConnId
+	for i := 0; i < len(sa.Addr); i++ {
+		sa.raw.Addr[i] = sa.Addr[i]
+	}
+	return unsafe.Pointer(&sa.raw), SizeofSockaddrL2TPIP, nil
+}
+
+// SockaddrL2TPIP6 implements the Sockaddr interface for IPPROTO_L2TP/AF_INET6 sockets.
+type SockaddrL2TPIP6 struct {
+	Addr   [16]byte
+	ZoneId uint32
+	ConnId uint32
+	raw    RawSockaddrL2TPIP6
+}
+
+func (sa *SockaddrL2TPIP6) sockaddr() (unsafe.Pointer, _Socklen, error) {
+	sa.raw.Family = AF_INET6
+	sa.raw.Conn_id = sa.ConnId
+	sa.raw.Scope_id = sa.ZoneId
+	for i := 0; i < len(sa.Addr); i++ {
+		sa.raw.Addr[i] = sa.Addr[i]
+	}
+	return unsafe.Pointer(&sa.raw), SizeofSockaddrL2TPIP6, nil
+}
+
+// SockaddrIUCV implements the Sockaddr interface for AF_IUCV sockets.
+type SockaddrIUCV struct {
+	UserID string
+	Name   string
+	raw    RawSockaddrIUCV
+}
+
+func (sa *SockaddrIUCV) sockaddr() (unsafe.Pointer, _Socklen, error) {
+	sa.raw.Family = AF_IUCV
+	// These are EBCDIC encoded by the kernel, but we still need to pad them
+	// with blanks. Initializing with blanks allows the caller to feed in either
+	// a padded or an unpadded string.
+	for i := 0; i < 8; i++ {
+		sa.raw.Nodeid[i] = ' '
+		sa.raw.User_id[i] = ' '
+		sa.raw.Name[i] = ' '
+	}
+	if len(sa.UserID) > 8 || len(sa.Name) > 8 {
+		return nil, 0, EINVAL
+	}
+	for i, b := range []byte(sa.UserID[:]) {
+		sa.raw.User_id[i] = int8(b)
+	}
+	for i, b := range []byte(sa.Name[:]) {
+		sa.raw.Name[i] = int8(b)
+	}
+	return unsafe.Pointer(&sa.raw), SizeofSockaddrIUCV, nil
+}
+
 func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
 	switch rsa.Addr.Family {
 	case AF_NETLINK:
@@ -844,11 +950,26 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
 		for n < len(pp.Path) && pp.Path[n] != 0 {
 			n++
 		}
-		bytes := (*[10000]byte)(unsafe.Pointer(&pp.Path[0]))[0:n]
+		bytes := (*[len(pp.Path)]byte)(unsafe.Pointer(&pp.Path[0]))[0:n]
 		sa.Name = string(bytes)
 		return sa, nil
 
 	case AF_INET:
+		proto, err := GetsockoptInt(fd, SOL_SOCKET, SO_PROTOCOL)
+		if err != nil {
+			return nil, err
+		}
+
+		switch proto {
+		case IPPROTO_L2TP:
+			pp := (*RawSockaddrL2TPIP)(unsafe.Pointer(rsa))
+			sa := new(SockaddrL2TPIP)
+			sa.ConnId = pp.Conn_id
+			for i := 0; i < len(sa.Addr); i++ {
+				sa.Addr[i] = pp.Addr[i]
+			}
+			return sa, nil
+		default:
 			pp := (*RawSockaddrInet4)(unsafe.Pointer(rsa))
 			sa := new(SockaddrInet4)
 			p := (*[2]byte)(unsafe.Pointer(&pp.Port))
@@ -857,8 +978,25 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
 				sa.Addr[i] = pp.Addr[i]
 			}
 			return sa, nil
+		}
 
 	case AF_INET6:
+		proto, err := GetsockoptInt(fd, SOL_SOCKET, SO_PROTOCOL)
+		if err != nil {
+			return nil, err
+		}
+
+		switch proto {
+		case IPPROTO_L2TP:
+			pp := (*RawSockaddrL2TPIP6)(unsafe.Pointer(rsa))
+			sa := new(SockaddrL2TPIP6)
+			sa.ConnId = pp.Conn_id
+			sa.ZoneId = pp.Scope_id
+			for i := 0; i < len(sa.Addr); i++ {
+				sa.Addr[i] = pp.Addr[i]
+			}
+			return sa, nil
+		default:
 			pp := (*RawSockaddrInet6)(unsafe.Pointer(rsa))
 			sa := new(SockaddrInet6)
 			p := (*[2]byte)(unsafe.Pointer(&pp.Port))
@@ -868,6 +1006,7 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
 				sa.Addr[i] = pp.Addr[i]
 			}
 			return sa, nil
+		}
 
 	case AF_VSOCK:
 		pp := (*RawSockaddrVM)(unsafe.Pointer(rsa))
@@ -916,7 +1055,7 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
 		}
 		sa := &SockaddrPPPoE{
 			SID:    binary.BigEndian.Uint16(pp[6:8]),
-			Remote: net.HardwareAddr(pp[8:14]),
+			Remote: pp[8:14],
 		}
 		for i := 14; i < 14+IFNAMSIZ; i++ {
 			if pp[i] == 0 {
@@ -925,6 +1064,59 @@ func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
 			}
 		}
 		return sa, nil
+	case AF_TIPC:
+		pp := (*RawSockaddrTIPC)(unsafe.Pointer(rsa))
+
+		sa := &SockaddrTIPC{
+			Scope: int(pp.Scope),
+		}
+
+		// Determine which union variant is present in pp.Addr by checking
+		// pp.Addrtype.
+		switch pp.Addrtype {
+		case TIPC_SERVICE_RANGE:
+			sa.Addr = (*TIPCServiceRange)(unsafe.Pointer(&pp.Addr))
+		case TIPC_SERVICE_ADDR:
+			sa.Addr = (*TIPCServiceName)(unsafe.Pointer(&pp.Addr))
+		case TIPC_SOCKET_ADDR:
+			sa.Addr = (*TIPCSocketAddr)(unsafe.Pointer(&pp.Addr))
+		default:
+			return nil, EINVAL
+		}
+
+		return sa, nil
+	case AF_IUCV:
+		pp := (*RawSockaddrIUCV)(unsafe.Pointer(rsa))
+
+		var user [8]byte
+		var name [8]byte
+
+		for i := 0; i < 8; i++ {
+			user[i] = byte(pp.User_id[i])
+			name[i] = byte(pp.Name[i])
+		}
+
+		sa := &SockaddrIUCV{
+			UserID: string(user[:]),
+			Name:   string(name[:]),
+		}
+		return sa, nil
+
+	case AF_CAN:
+		pp := (*RawSockaddrCAN)(unsafe.Pointer(rsa))
+		sa := &SockaddrCAN{
+			Ifindex: int(pp.Ifindex),
+		}
+		rx := (*[4]byte)(unsafe.Pointer(&sa.RxID))
+		for i := 0; i < 4; i++ {
+			rx[i] = pp.Addr[i]
+		}
+		tx := (*[4]byte)(unsafe.Pointer(&sa.TxID))
+		for i := 0; i < 4; i++ {
+			tx[i] = pp.Addr[i+4]
+		}
+		return sa, nil
+
 	}
 	return nil, EAFNOSUPPORT
 }
@@ -1161,6 +1353,34 @@ func KeyctlDHCompute(params *KeyctlDHParams, buffer []byte) (size int, err error
 	return keyctlDH(KEYCTL_DH_COMPUTE, params, buffer)
 }
 
+// KeyctlRestrictKeyring implements the KEYCTL_RESTRICT_KEYRING command. This
+// command limits the set of keys that can be linked to the keyring, regardless
+// of keyring permissions. The command requires the "setattr" permission.
+//
+// When called with an empty keyType the command locks the keyring, preventing
+// any further keys from being linked to the keyring.
+//
+// The "asymmetric" keyType defines restrictions requiring key payloads to be
+// DER encoded X.509 certificates signed by keys in another keyring. Restrictions
+// for "asymmetric" include "builtin_trusted", "builtin_and_secondary_trusted",
+// "key_or_keyring:<key>", and "key_or_keyring:<key>:chain".
+//
+// As of Linux 4.12, only the "asymmetric" keyType defines type-specific
+// restrictions.
+//
+// See the full documentation at:
+// http://man7.org/linux/man-pages/man3/keyctl_restrict_keyring.3.html
+// http://man7.org/linux/man-pages/man2/keyctl.2.html
+func KeyctlRestrictKeyring(ringid int, keyType string, restriction string) error {
+	if keyType == "" {
+		return keyctlRestrictKeyring(KEYCTL_RESTRICT_KEYRING, ringid)
+	}
+	return keyctlRestrictKeyringByType(KEYCTL_RESTRICT_KEYRING, ringid, keyType, restriction)
+}
+
+//sys keyctlRestrictKeyringByType(cmd int, arg2 int, keyType string, restriction string) (err error) = SYS_KEYCTL
+//sys keyctlRestrictKeyring(cmd int, arg2 int) (err error) = SYS_KEYCTL
+
 func Recvmsg(fd int, p, oob []byte, flags int) (n, oobn int, recvflags int, from Sockaddr, err error) {
 	var msg Msghdr
 	var rsa RawSockaddrAny
@@ -1404,8 +1624,12 @@ func PtraceSyscall(pid int, signal int) (err error) {
 
 func PtraceSingleStep(pid int) (err error) { return ptrace(PTRACE_SINGLESTEP, pid, 0, 0) }
 
+func PtraceInterrupt(pid int) (err error) { return ptrace(PTRACE_INTERRUPT, pid, 0, 0) }
+
 func PtraceAttach(pid int) (err error) { return ptrace(PTRACE_ATTACH, pid, 0, 0) }
 
+func PtraceSeize(pid int) (err error) { return ptrace(PTRACE_SEIZE, pid, 0, 0) }
+
 func PtraceDetach(pid int) (err error) { return ptrace(PTRACE_DETACH, pid, 0, 0) }
 
 //sys	reboot(magic1 uint, magic2 uint, cmd int, arg string) (err error)
@@ -1414,8 +1638,20 @@ func Reboot(cmd int) (err error) {
 	return reboot(LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2, cmd, "")
 }
 
-func ReadDirent(fd int, buf []byte) (n int, err error) {
+func direntIno(buf []byte) (uint64, bool) {
-	return Getdents(fd, buf)
+	return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino))
+}
+
+func direntReclen(buf []byte) (uint64, bool) {
+	return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen))
+}
+
+func direntNamlen(buf []byte) (uint64, bool) {
+	reclen, ok := direntReclen(buf)
+	if !ok {
+		return 0, false
+	}
+	return reclen - uint64(unsafe.Offsetof(Dirent{}.Name)), true
 }
 
 //sys	mount(source string, target string, fstype string, flags uintptr, data *byte) (err error)
@@ -1450,6 +1686,8 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 //sys	Acct(path string) (err error)
 //sys	AddKey(keyType string, description string, payload []byte, ringid int) (id int, err error)
 //sys	Adjtimex(buf *Timex) (state int, err error)
+//sysnb	Capget(hdr *CapUserHeader, data *CapUserData) (err error)
+//sysnb	Capset(hdr *CapUserHeader, data *CapUserData) (err error)
 //sys	Chdir(path string) (err error)
 //sys	Chroot(path string) (err error)
 //sys	ClockGetres(clockid int32, res *Timespec) (err error)
@@ -1459,6 +1697,15 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 //sys	CopyFileRange(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error)
 //sys	DeleteModule(name string, flags int) (err error)
 //sys	Dup(oldfd int) (fd int, err error)
+
+func Dup2(oldfd, newfd int) error {
+	// Android O and newer blocks dup2; riscv and arm64 don't implement dup2.
+	if runtime.GOOS == "android" || runtime.GOARCH == "riscv64" || runtime.GOARCH == "arm64" {
+		return Dup3(oldfd, newfd, 0)
+	}
+	return dup2(oldfd, newfd)
+}
+
 //sys	Dup3(oldfd int, newfd int, flags int) (err error)
 //sysnb	EpollCreate1(flag int) (fd int, err error)
 //sysnb	EpollCtl(epfd int, op int, fd int, event *EpollEvent) (err error)
@@ -1468,7 +1715,6 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
 //sys	Fchdir(fd int) (err error)
 //sys	Fchmod(fd int, mode uint32) (err error)
 //sys	Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
-//sys	fcntl(fd int, cmd int, arg int) (val int, err error)
 //sys	Fdatasync(fd int) (err error)
 //sys	Fgetxattr(fd int, attr string, dest []byte) (sz int, err error)
 //sys	FinitModule(fd int, params string, flags int) (err error)
@@ -1524,6 +1770,17 @@ func Getpgrp() (pid int) {
 //sysnb	Settimeofday(tv *Timeval) (err error)
 //sys	Setns(fd int, nstype int) (err error)
 
+// PrctlRetInt performs a prctl operation specified by option and further
+// optional arguments arg2 through arg5 depending on option. It returns a
+// non-negative integer that is returned by the prctl syscall.
+func PrctlRetInt(option int, arg2 uintptr, arg3 uintptr, arg4 uintptr, arg5 uintptr) (int, error) {
+	ret, _, err := Syscall6(SYS_PRCTL, uintptr(option), uintptr(arg2), uintptr(arg3), uintptr(arg4), uintptr(arg5), 0)
+	if err != 0 {
+		return 0, err
+	}
+	return int(ret), nil
+}
+
 // issue 1435.
 // On linux Setuid and Setgid only affects the current thread, not the process.
 // This does not match what most callers expect so we must return an error
@@ -1537,6 +1794,30 @@ func Setgid(uid int) (err error) {
 	return EOPNOTSUPP
 }
 
+// SetfsgidRetGid sets fsgid for current thread and returns previous fsgid set.
+// setfsgid(2) will return a non-nil error only if its caller lacks CAP_SETUID capability.
+// If the call fails due to other reasons, current fsgid will be returned.
+func SetfsgidRetGid(gid int) (int, error) {
+	return setfsgid(gid)
+}
+
+// SetfsuidRetUid sets fsuid for current thread and returns previous fsuid set.
+// setfsgid(2) will return a non-nil error only if its caller lacks CAP_SETUID capability
+// If the call fails due to other reasons, current fsuid will be returned.
+func SetfsuidRetUid(uid int) (int, error) {
+	return setfsuid(uid)
+}
+
+func Setfsgid(gid int) error {
+	_, err := setfsgid(gid)
+	return err
+}
+
+func Setfsuid(uid int) error {
+	_, err := setfsuid(uid)
+	return err
+}
+
 func Signalfd(fd int, sigmask *Sigset_t, flags int) (newfd int, err error) {
 	return signalfd(fd, sigmask, _C__NSIG/8, flags)
 }
@@ -1549,6 +1830,9 @@ func Signalfd(fd int, sigmask *Sigset_t, flags int) (newfd int, err error) {
 //sys	Syncfs(fd int) (err error)
 //sysnb	Sysinfo(info *Sysinfo_t) (err error)
 //sys	Tee(rfd int, wfd int, len int, flags int) (n int64, err error)
+//sysnb TimerfdCreate(clockid int, flags int) (fd int, err error)
+//sysnb TimerfdGettime(fd int, currValue *ItimerSpec) (err error)
+//sysnb TimerfdSettime(fd int, flags int, newValue *ItimerSpec, oldValue *ItimerSpec) (err error)
 //sysnb	Tgkill(tgid int, tid int, sig syscall.Signal) (err error)
 //sysnb	Times(tms *Tms) (ticks uintptr, err error)
 //sysnb	Umask(mask int) (oldmask int)
@@ -1559,6 +1843,123 @@ func Signalfd(fd int, sigmask *Sigset_t, flags int) (newfd int, err error) {
 //sys	exitThread(code int) (err error) = SYS_EXIT
 //sys	readlen(fd int, p *byte, np int) (n int, err error) = SYS_READ
 //sys	writelen(fd int, p *byte, np int) (n int, err error) = SYS_WRITE
+//sys	readv(fd int, iovs []Iovec) (n int, err error) = SYS_READV
+//sys	writev(fd int, iovs []Iovec) (n int, err error) = SYS_WRITEV
+//sys	preadv(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr) (n int, err error) = SYS_PREADV
+//sys	pwritev(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr) (n int, err error) = SYS_PWRITEV
+//sys	preadv2(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr, flags int) (n int, err error) = SYS_PREADV2
+//sys	pwritev2(fd int, iovs []Iovec, offs_l uintptr, offs_h uintptr, flags int) (n int, err error) = SYS_PWRITEV2
+
+func bytes2iovec(bs [][]byte) []Iovec {
+	iovecs := make([]Iovec, len(bs))
+	for i, b := range bs {
+		iovecs[i].SetLen(len(b))
+		if len(b) > 0 {
+			iovecs[i].Base = &b[0]
+		} else {
+			iovecs[i].Base = (*byte)(unsafe.Pointer(&_zero))
+		}
+	}
+	return iovecs
+}
+
+// offs2lohi splits offs into its lower and upper unsigned long. On 64-bit
+// systems, hi will always be 0. On 32-bit systems, offs will be split in half.
+// preadv/pwritev chose this calling convention so they don't need to add a
+// padding-register for alignment on ARM.
+func offs2lohi(offs int64) (lo, hi uintptr) {
+	return uintptr(offs), uintptr(uint64(offs) >> SizeofLong)
+}
+
+func Readv(fd int, iovs [][]byte) (n int, err error) {
+	iovecs := bytes2iovec(iovs)
+	n, err = readv(fd, iovecs)
+	readvRacedetect(iovecs, n, err)
+	return n, err
+}
+
+func Preadv(fd int, iovs [][]byte, offset int64) (n int, err error) {
+	iovecs := bytes2iovec(iovs)
+	lo, hi := offs2lohi(offset)
+	n, err = preadv(fd, iovecs, lo, hi)
+	readvRacedetect(iovecs, n, err)
+	return n, err
+}
+
+func Preadv2(fd int, iovs [][]byte, offset int64, flags int) (n int, err error) {
+	iovecs := bytes2iovec(iovs)
+	lo, hi := offs2lohi(offset)
+	n, err = preadv2(fd, iovecs, lo, hi, flags)
+	readvRacedetect(iovecs, n, err)
+	return n, err
+}
+
+func readvRacedetect(iovecs []Iovec, n int, err error) {
+	if !raceenabled {
+		return
+	}
+	for i := 0; n > 0 && i < len(iovecs); i++ {
+		m := int(iovecs[i].Len)
+		if m > n {
+			m = n
+		}
+		n -= m
+		if m > 0 {
+			raceWriteRange(unsafe.Pointer(iovecs[i].Base), m)
+		}
+	}
+	if err == nil {
+		raceAcquire(unsafe.Pointer(&ioSync))
+	}
+}
+
+func Writev(fd int, iovs [][]byte) (n int, err error) {
+	iovecs := bytes2iovec(iovs)
+	if raceenabled {
+		raceReleaseMerge(unsafe.Pointer(&ioSync))
+	}
+	n, err = writev(fd, iovecs)
+	writevRacedetect(iovecs, n)
+	return n, err
+}
+
+func Pwritev(fd int, iovs [][]byte, offset int64) (n int, err error) {
+	iovecs := bytes2iovec(iovs)
+	if raceenabled {
+		raceReleaseMerge(unsafe.Pointer(&ioSync))
+	}
+	lo, hi := offs2lohi(offset)
+	n, err = pwritev(fd, iovecs, lo, hi)
+	writevRacedetect(iovecs, n)
+	return n, err
+}
+
+func Pwritev2(fd int, iovs [][]byte, offset int64, flags int) (n int, err error) {
+	iovecs := bytes2iovec(iovs)
+	if raceenabled {
+		raceReleaseMerge(unsafe.Pointer(&ioSync))
+	}
+	lo, hi := offs2lohi(offset)
+	n, err = pwritev2(fd, iovecs, lo, hi, flags)
+	writevRacedetect(iovecs, n)
+	return n, err
+}
+
+func writevRacedetect(iovecs []Iovec, n int) {
+	if !raceenabled {
+		return
+	}
+	for i := 0; n > 0 && i < len(iovecs); i++ {
+		m := int(iovecs[i].Len)
+		if m > n {
+			m = n
+		}
+		n -= m
+		if m > 0 {
+			raceReadRange(unsafe.Pointer(iovecs[i].Base), m)
+		}
+	}
+}
 
 // mmap varies by architecture; see syscall_linux_*.go.
 //sys	munmap(addr uintptr, length uintptr) (err error)
@@ -1601,11 +2002,30 @@ func Vmsplice(fd int, iovs []Iovec, flags int) (int, error) {
 	return int(n), nil
 }
 
+func isGroupMember(gid int) bool {
+	groups, err := Getgroups()
+	if err != nil {
+		return false
+	}
+
+	for _, g := range groups {
+		if g == gid {
+			return true
+		}
+	}
+	return false
+}
+
 //sys	faccessat(dirfd int, path string, mode uint32) (err error)
+//sys	Faccessat2(dirfd int, path string, mode uint32, flags int) (err error)
 
 func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
-	if flags & ^(AT_SYMLINK_NOFOLLOW|AT_EACCESS) != 0 {
+	if flags == 0 {
-		return EINVAL
+		return faccessat(dirfd, path, mode)
+	}
+
+	if err := Faccessat2(dirfd, path, mode, flags); err != ENOSYS && err != EPERM {
+		return err
 	}
 
 	// The Linux kernel faccessat system call does not take any flags.
@@ -1614,8 +2034,8 @@ func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
 	// Because people naturally expect syscall.Faccessat to act
 	// like C faccessat, we do the same.
 
-	if flags == 0 {
+	if flags & ^(AT_SYMLINK_NOFOLLOW|AT_EACCESS) != 0 {
-		return faccessat(dirfd, path, mode)
+		return EINVAL
 	}
 
 	var st Stat_t
@@ -1658,7 +2078,7 @@ func Faccessat(dirfd int, path string, mode uint32, flags int) (err error) {
 			gid = Getgid()
 		}
 
-		if uint32(gid) == st.Gid {
+		if uint32(gid) == st.Gid || isGroupMember(gid) {
 			fmode = (st.Mode >> 3) & 7
 		} else {
 			fmode = st.Mode & 7
@@ -1748,6 +2168,29 @@ func OpenByHandleAt(mountFD int, handle FileHandle, flags int) (fd int, err erro
 	return openByHandleAt(mountFD, handle.fileHandle, flags)
 }
 
+// Klogset wraps the sys_syslog system call; it sets console_loglevel to
+// the value specified by arg and passes a dummy pointer to bufp.
+func Klogset(typ int, arg int) (err error) {
+	var p unsafe.Pointer
+	_, _, errno := Syscall(SYS_SYSLOG, uintptr(typ), uintptr(p), uintptr(arg))
+	if errno != 0 {
+		return errnoErr(errno)
+	}
+	return nil
+}
+
+// RemoteIovec is Iovec with the pointer replaced with an integer.
+// It is used for ProcessVMReadv and ProcessVMWritev, where the pointer
+// refers to a location in a different process' address space, which
+// would confuse the Go garbage collector.
+type RemoteIovec struct {
+	Base uintptr
+	Len  int
+}
+
+//sys	ProcessVMReadv(pid int, localIov []Iovec, remoteIov []RemoteIovec, flags uint) (n int, err error) = SYS_PROCESS_VM_READV
+//sys	ProcessVMWritev(pid int, localIov []Iovec, remoteIov []RemoteIovec, flags uint) (n int, err error) = SYS_PROCESS_VM_WRITEV
+
 /*
  * Unimplemented
  */
@@ -1755,8 +2198,6 @@ func OpenByHandleAt(mountFD int, handle FileHandle, flags int) (fd int, err erro
 // Alarm
 // ArchPrctl
 // Brk
-// Capget
-// Capset
 // ClockNanosleep
 // ClockSettime
 // Clone
@@ -1844,7 +2285,6 @@ func OpenByHandleAt(mountFD int, handle FileHandle, flags int) (fd int, err erro
 // TimerGetoverrun
 // TimerGettime
 // TimerSettime
-// Timerfd
 // Tkill (obsolete)
 // Tuxcall
 // Umount2

vendor/golang.org/x/sys/unix/syscall_linux_386.go

@@ -49,7 +49,7 @@ func Pipe2(p []int, flags int) (err error) {
 
 // 64-bit file system and 32-bit uid calls
 // (386 default is 32-bit file system and 16-bit uid).
-//sys	Dup2(oldfd int, newfd int) (err error)
+//sys	dup2(oldfd int, newfd int) (err error)
 //sysnb	EpollCreate(size int) (fd int, err error)
 //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64_64
@@ -70,8 +70,8 @@ func Pipe2(p []int, flags int) (err error) {
 //sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
 //sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
-//sys	Setfsgid(gid int) (err error) = SYS_SETFSGID32
+//sys	setfsgid(gid int) (prev int, err error) = SYS_SETFSGID32
-//sys	Setfsuid(uid int) (err error) = SYS_SETFSUID32
+//sys	setfsuid(uid int) (prev int, err error) = SYS_SETFSUID32
 //sysnb	Setregid(rgid int, egid int) (err error) = SYS_SETREGID32
 //sysnb	Setresgid(rgid int, egid int, sgid int) (err error) = SYS_SETRESGID32
 //sysnb	Setresuid(ruid int, euid int, suid int) (err error) = SYS_SETRESUID32
@@ -372,6 +372,10 @@ func (msghdr *Msghdr) SetControllen(length int) {
 	msghdr.Controllen = uint32(length)
 }
 
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = uint32(length)
+}
+
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint32(length)
 }

vendor/golang.org/x/sys/unix/syscall_linux_amd64.go

@@ -6,7 +6,7 @@
 
 package unix
 
-//sys	Dup2(oldfd int, newfd int) (err error)
+//sys	dup2(oldfd int, newfd int) (err error)
 //sysnb	EpollCreate(size int) (fd int, err error)
 //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
@@ -55,8 +55,8 @@ func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err
 }
 
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
-//sys	Setfsgid(gid int) (err error)
+//sys	setfsgid(gid int) (prev int, err error)
-//sys	Setfsuid(uid int) (err error)
+//sys	setfsuid(uid int) (prev int, err error)
 //sysnb	Setregid(rgid int, egid int) (err error)
 //sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
 //sysnb	Setresuid(ruid int, euid int, suid int) (err error)
@@ -163,6 +163,10 @@ func (msghdr *Msghdr) SetControllen(length int) {
 	msghdr.Controllen = uint64(length)
 }
 
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = uint64(length)
+}
+
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint64(length)
 }

vendor/golang.org/x/sys/unix/syscall_linux_arm.go

@@ -7,7 +7,6 @@
 package unix
 
 import (
-	"syscall"
 	"unsafe"
 )
 
@@ -49,10 +48,6 @@ func Pipe2(p []int, flags int) (err error) {
 	return
 }
 
-// Underlying system call writes to newoffset via pointer.
-// Implemented in assembly to avoid allocation.
-func seek(fd int, offset int64, whence int) (newoffset int64, err syscall.Errno)
-
 func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
 	newoffset, errno := seek(fd, offset, whence)
 	if errno != 0 {
@@ -80,7 +75,7 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
 
 // 64-bit file system and 32-bit uid calls
 // (16-bit uid calls are not always supported in newer kernels)
-//sys	Dup2(oldfd int, newfd int) (err error)
+//sys	dup2(oldfd int, newfd int) (err error)
 //sysnb	EpollCreate(size int) (fd int, err error)
 //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
 //sys	Fchown(fd int, uid int, gid int) (err error) = SYS_FCHOWN32
@@ -98,8 +93,8 @@ func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
 //sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
 //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT
-//sys	Setfsgid(gid int) (err error) = SYS_SETFSGID32
+//sys	setfsgid(gid int) (prev int, err error) = SYS_SETFSGID32
-//sys	Setfsuid(uid int) (err error) = SYS_SETFSUID32
+//sys	setfsuid(uid int) (prev int, err error) = SYS_SETFSUID32
 //sysnb	Setregid(rgid int, egid int) (err error) = SYS_SETREGID32
 //sysnb	Setresgid(rgid int, egid int, sgid int) (err error) = SYS_SETRESGID32
 //sysnb	Setresuid(ruid int, euid int, suid int) (err error) = SYS_SETRESUID32
@@ -252,6 +247,10 @@ func (msghdr *Msghdr) SetControllen(length int) {
 	msghdr.Controllen = uint32(length)
 }
 
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = uint32(length)
+}
+
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint32(length)
 }

vendor/golang.org/x/sys/unix/syscall_linux_arm64.go

@@ -25,7 +25,7 @@ func EpollCreate(size int) (fd int, err error) {
 //sysnb	Getegid() (egid int)
 //sysnb	Geteuid() (euid int)
 //sysnb	Getgid() (gid int)
-//sysnb	Getrlimit(resource int, rlim *Rlimit) (err error)
+//sysnb	getrlimit(resource int, rlim *Rlimit) (err error)
 //sysnb	Getuid() (uid int)
 //sys	Listen(s int, n int) (err error)
 //sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
@@ -42,12 +42,12 @@ func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err
 }
 
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
-//sys	Setfsgid(gid int) (err error)
+//sys	setfsgid(gid int) (prev int, err error)
-//sys	Setfsuid(uid int) (err error)
+//sys	setfsuid(uid int) (prev int, err error)
 //sysnb	Setregid(rgid int, egid int) (err error)
 //sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
 //sysnb	Setresuid(ruid int, euid int, suid int) (err error)
-//sysnb	Setrlimit(resource int, rlim *Rlimit) (err error)
+//sysnb	setrlimit(resource int, rlim *Rlimit) (err error)
 //sysnb	Setreuid(ruid int, euid int) (err error)
 //sys	Shutdown(fd int, how int) (err error)
 //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
@@ -168,6 +168,24 @@ func Pipe2(p []int, flags int) (err error) {
 	return
 }
 
+// Getrlimit prefers the prlimit64 system call. See issue 38604.
+func Getrlimit(resource int, rlim *Rlimit) error {
+	err := prlimit(0, resource, nil, rlim)
+	if err != ENOSYS {
+		return err
+	}
+	return getrlimit(resource, rlim)
+}
+
+// Setrlimit prefers the prlimit64 system call. See issue 38604.
+func Setrlimit(resource int, rlim *Rlimit) error {
+	err := prlimit(0, resource, rlim, nil)
+	if err != ENOSYS {
+		return err
+	}
+	return setrlimit(resource, rlim)
+}
+
 func (r *PtraceRegs) PC() uint64 { return r.Pc }
 
 func (r *PtraceRegs) SetPC(pc uint64) { r.Pc = pc }
@@ -180,6 +198,10 @@ func (msghdr *Msghdr) SetControllen(length int) {
 	msghdr.Controllen = uint64(length)
 }
 
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = uint64(length)
+}
+
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint64(length)
 }
@@ -188,9 +210,9 @@ func InotifyInit() (fd int, err error) {
 	return InotifyInit1(0)
 }
 
-func Dup2(oldfd int, newfd int) (err error) {
+// dup2 exists because func Dup3 in syscall_linux.go references
-	return Dup3(oldfd, newfd, 0)
+// it in an unreachable path. dup2 isn't available on arm64.
-}
+func dup2(oldfd int, newfd int) error
 
 func Pause() error {
 	_, err := ppoll(nil, 0, nil, nil)

vendor/golang.org/x/sys/unix/syscall_linux_gc_arm.go

@@ -0,0 +1,13 @@
+// Copyright 2009 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 arm,!gccgo,linux
+
+package unix
+
+import "syscall"
+
+// Underlying system call writes to newoffset via pointer.
+// Implemented in assembly to avoid allocation.
+func seek(fd int, offset int64, whence int) (newoffset int64, err syscall.Errno)

vendor/golang.org/x/sys/unix/syscall_linux_mips64x.go

@@ -7,7 +7,7 @@
 
 package unix
 
-//sys	Dup2(oldfd int, newfd int) (err error)
+//sys	dup2(oldfd int, newfd int) (err error)
 //sysnb	EpollCreate(size int) (fd int, err error)
 //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
@@ -36,8 +36,8 @@ func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err
 }
 
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
-//sys	Setfsgid(gid int) (err error)
+//sys	setfsgid(gid int) (prev int, err error)
-//sys	Setfsuid(uid int) (err error)
+//sys	setfsuid(uid int) (prev int, err error)
 //sysnb	Setregid(rgid int, egid int) (err error)
 //sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
 //sysnb	Setresuid(ruid int, euid int, suid int) (err error)
@@ -208,10 +208,18 @@ func (msghdr *Msghdr) SetControllen(length int) {
 	msghdr.Controllen = uint64(length)
 }
 
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = uint64(length)
+}
+
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint64(length)
 }
 
+func InotifyInit() (fd int, err error) {
+	return InotifyInit1(0)
+}
+
 //sys	poll(fds *PollFd, nfds int, timeout int) (n int, err error)
 
 func Poll(fds []PollFd, timeout int) (n int, err error) {

vendor/golang.org/x/sys/unix/syscall_linux_mipsx.go

@@ -14,7 +14,7 @@ import (
 
 func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno)
 
-//sys	Dup2(oldfd int, newfd int) (err error)
+//sys	dup2(oldfd int, newfd int) (err error)
 //sysnb	EpollCreate(size int) (fd int, err error)
 //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
@@ -31,8 +31,8 @@ func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr,
 //sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
 //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) = SYS_SENDFILE64
-//sys	Setfsgid(gid int) (err error)
+//sys	setfsgid(gid int) (prev int, err error)
-//sys	Setfsuid(uid int) (err error)
+//sys	setfsuid(uid int) (prev int, err error)
 //sysnb	Setregid(rgid int, egid int) (err error)
 //sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
 //sysnb	Setresuid(ruid int, euid int, suid int) (err error)
@@ -220,6 +220,10 @@ func (msghdr *Msghdr) SetControllen(length int) {
 	msghdr.Controllen = uint32(length)
 }
 
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = uint32(length)
+}
+
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint32(length)
 }

vendor/golang.org/x/sys/unix/syscall_linux_ppc64x.go

@@ -7,7 +7,7 @@
 
 package unix
 
-//sys	Dup2(oldfd int, newfd int) (err error)
+//sys	dup2(oldfd int, newfd int) (err error)
 //sysnb	EpollCreate(size int) (fd int, err error)
 //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
@@ -34,8 +34,8 @@ package unix
 //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
 //sys	Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) = SYS__NEWSELECT
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
-//sys	Setfsgid(gid int) (err error)
+//sys	setfsgid(gid int) (prev int, err error)
-//sys	Setfsuid(uid int) (err error)
+//sys	setfsuid(uid int) (prev int, err error)
 //sysnb	Setregid(rgid int, egid int) (err error)
 //sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
 //sysnb	Setresuid(ruid int, euid int, suid int) (err error)
@@ -91,6 +91,10 @@ func (msghdr *Msghdr) SetControllen(length int) {
 	msghdr.Controllen = uint64(length)
 }
 
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = uint64(length)
+}
+
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint64(length)
 }

vendor/golang.org/x/sys/unix/syscall_linux_riscv64.go

@@ -41,8 +41,8 @@ func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err
 }
 
 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
-//sys	Setfsgid(gid int) (err error)
+//sys	setfsgid(gid int) (prev int, err error)
-//sys	Setfsuid(uid int) (err error)
+//sys	setfsuid(uid int) (prev int, err error)
 //sysnb	Setregid(rgid int, egid int) (err error)
 //sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
 //sysnb	Setresuid(ruid int, euid int, suid int) (err error)
@@ -179,6 +179,10 @@ func (msghdr *Msghdr) SetControllen(length int) {
 	msghdr.Controllen = uint64(length)
 }
 
+func (msghdr *Msghdr) SetIovlen(length int) {
+	msghdr.Iovlen = uint64(length)
+}
+
 func (cmsg *Cmsghdr) SetLen(length int) {
 	cmsg.Len = uint64(length)
 }
@@ -187,10 +191,6 @@ func InotifyInit() (fd int, err error) {
 	return InotifyInit1(0)
 }
 
-func Dup2(oldfd int, newfd int) (err error) {
-	return Dup3(oldfd, newfd, 0)
-}
-
 func Pause() error {
 	_, err := ppoll(nil, 0, nil, nil)
 	return err
@@ -224,3 +224,7 @@ func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error
 	}
 	return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags)
 }
+
+// dup2 exists because func Dup3 in syscall_linux.go references
+// it in an unreachable path. dup2 isn't available on arm64.
+func dup2(oldfd int, newfd int) error