vendor: Update vishvanana/netlink dependency.

This updates the netlink dependency to include recent updates, including a fix when setting prosmic mode on a bridge and additions for creating qdisc/classes/filters. This is necessary for some upcoming additions to CNI

Godeps/Godeps.json

@@ -220,15 +220,15 @@
 		},
 		{
 			"ImportPath": "github.com/vishvananda/netlink",
-			"Rev": "fe3b5664d23a11b52ba59bece4ff29c52772a56b"
+			"Rev": "6e453822d85ef5721799774b654d4d02fed62afb"
 		},
 		{
 			"ImportPath": "github.com/vishvananda/netlink/nl",
-			"Rev": "fe3b5664d23a11b52ba59bece4ff29c52772a56b"
+			"Rev": "6e453822d85ef5721799774b654d4d02fed62afb"
 		},
 		{
 			"ImportPath": "github.com/vishvananda/netns",
-			"Rev": "8ba1072b58e0c2a240eb5f6120165c7776c3e7b8"
+			"Rev": "54f0e4339ce73702a0607f49922aaa1e749b418d"
 		},
 		{
 			"ImportPath": "golang.org/x/sys/unix",

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

@@ -4,5 +4,10 @@ before_script:
   - sudo sed -i -e 's/^Defaults\tsecure_path.*$//' /etc/sudoers
   # modprobe ip_gre or else the first gre device can't be deleted
   - sudo modprobe ip_gre
+  # modprobe nf_conntrack for the conntrack testing
+  - sudo modprobe nf_conntrack
+  - sudo modprobe nf_conntrack_netlink
+  - sudo modprobe nf_conntrack_ipv4
+  - sudo modprobe nf_conntrack_ipv6
 install:
   - go get github.com/vishvananda/netns

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

@@ -10,11 +10,13 @@ import (
 // include a mask, so it stores the address as a net.IPNet.
 type Addr struct {
 	*net.IPNet
-	Label     string
+	Label       string
-	Flags     int
+	Flags       int
-	Scope     int
+	Scope       int
-	Peer      *net.IPNet
+	Peer        *net.IPNet
-	Broadcast net.IP
+	Broadcast   net.IP
+	PreferedLft int
+	ValidLft    int
 }
 
 // String returns $ip/$netmask $label

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

@@ -27,6 +27,19 @@ func (h *Handle) AddrAdd(link Link, addr *Addr) error {
 	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`
+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`
+func (h *Handle) AddrReplace(link Link, addr *Addr) error {
+	req := h.newNetlinkRequest(syscall.RTM_NEWADDR, syscall.NLM_F_CREATE|syscall.NLM_F_REPLACE|syscall.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`
 func AddrDel(link Link, addr *Addr) error {
@@ -182,10 +195,16 @@ func parseAddr(m []byte) (addr Addr, family, index int, err error) {
 				Mask: net.CIDRMask(int(msg.Prefixlen), 8*len(attr.Value)),
 			}
 			addr.IPNet = local
+		case syscall.IFA_BROADCAST:
+			addr.Broadcast = attr.Value
 		case syscall.IFA_LABEL:
 			addr.Label = string(attr.Value[:len(attr.Value)-1])
 		case IFA_FLAGS:
 			addr.Flags = int(native.Uint32(attr.Value[0:4]))
+		case nl.IFA_CACHEINFO:
+			ci := nl.DeserializeIfaCacheInfo(attr.Value)
+			addr.PreferedLft = int(ci.IfaPrefered)
+			addr.ValidLft = int(ci.IfaValid)
 		}
 	}
 
@@ -203,6 +222,10 @@ func parseAddr(m []byte) (addr Addr, family, index int, err error) {
 type AddrUpdate struct {
 	LinkAddress net.IPNet
 	LinkIndex   int
+	Flags       int
+	Scope       int
+	PreferedLft int
+	ValidLft    int
 	NewAddr     bool // true=added false=deleted
 }
 
@@ -250,7 +273,13 @@ func addrSubscribe(newNs, curNs netns.NsHandle, ch chan<- AddrUpdate, done <-cha
 					continue
 				}
 
-				ch <- AddrUpdate{LinkAddress: *addr.IPNet, LinkIndex: ifindex, NewAddr: msgType == syscall.RTM_NEWADDR}
+				ch <- AddrUpdate{LinkAddress: *addr.IPNet,
+					LinkIndex:   ifindex,
+					NewAddr:     msgType == syscall.RTM_NEWADDR,
+					Flags:       addr.Flags,
+					Scope:       addr.Scope,
+					PreferedLft: addr.PreferedLft,
+					ValidLft:    addr.ValidLft}
 			}
 		}
 	}()

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

@@ -0,0 +1,115 @@
+package netlink
+
+import (
+	"fmt"
+	"syscall"
+
+	"github.com/vishvananda/netlink/nl"
+)
+
+// BridgeVlanList gets a map of device id to bridge vlan infos.
+// Equivalent to: `bridge vlan show`
+func BridgeVlanList() (map[int32][]*nl.BridgeVlanInfo, error) {
+	return pkgHandle.BridgeVlanList()
+}
+
+// BridgeVlanList gets a map of device id to bridge vlan infos.
+// Equivalent to: `bridge vlan show`
+func (h *Handle) BridgeVlanList() (map[int32][]*nl.BridgeVlanInfo, error) {
+	req := h.newNetlinkRequest(syscall.RTM_GETLINK, syscall.NLM_F_DUMP)
+	msg := nl.NewIfInfomsg(syscall.AF_BRIDGE)
+	req.AddData(msg)
+	req.AddData(nl.NewRtAttr(nl.IFLA_EXT_MASK, nl.Uint32Attr(uint32(nl.RTEXT_FILTER_BRVLAN))))
+
+	msgs, err := req.Execute(syscall.NETLINK_ROUTE, syscall.RTM_NEWLINK)
+	if err != nil {
+		return nil, err
+	}
+	ret := make(map[int32][]*nl.BridgeVlanInfo)
+	for _, m := range msgs {
+		msg := nl.DeserializeIfInfomsg(m)
+
+		attrs, err := nl.ParseRouteAttr(m[msg.Len():])
+		if err != nil {
+			return nil, err
+		}
+		for _, attr := range attrs {
+			switch attr.Attr.Type {
+			case nl.IFLA_AF_SPEC:
+				//nested attr
+				nestAttrs, err := nl.ParseRouteAttr(attr.Value)
+				if err != nil {
+					return nil, fmt.Errorf("failed to parse nested attr %v", err)
+				}
+				for _, nestAttr := range nestAttrs {
+					switch nestAttr.Attr.Type {
+					case nl.IFLA_BRIDGE_VLAN_INFO:
+						vlanInfo := nl.DeserializeBridgeVlanInfo(nestAttr.Value)
+						ret[msg.Index] = append(ret[msg.Index], vlanInfo)
+					}
+				}
+			}
+		}
+	}
+	return ret, nil
+}
+
+// BridgeVlanAdd adds a new vlan filter entry
+// Equivalent to: `bridge vlan add dev DEV vid VID [ pvid ] [ untagged ] [ self ] [ master ]`
+func BridgeVlanAdd(link Link, vid uint16, pvid, untagged, self, master bool) error {
+	return pkgHandle.BridgeVlanAdd(link, vid, pvid, untagged, self, master)
+}
+
+// BridgeVlanAdd adds a new vlan filter entry
+// Equivalent to: `bridge vlan add dev DEV vid VID [ pvid ] [ untagged ] [ self ] [ master ]`
+func (h *Handle) BridgeVlanAdd(link Link, vid uint16, pvid, untagged, self, master bool) error {
+	return h.bridgeVlanModify(syscall.RTM_SETLINK, link, vid, pvid, untagged, self, master)
+}
+
+// BridgeVlanDel adds a new vlan filter entry
+// Equivalent to: `bridge vlan del dev DEV vid VID [ pvid ] [ untagged ] [ self ] [ master ]`
+func BridgeVlanDel(link Link, vid uint16, pvid, untagged, self, master bool) error {
+	return pkgHandle.BridgeVlanDel(link, vid, pvid, untagged, self, master)
+}
+
+// BridgeVlanDel adds a new vlan filter entry
+// Equivalent to: `bridge vlan del dev DEV vid VID [ pvid ] [ untagged ] [ self ] [ master ]`
+func (h *Handle) BridgeVlanDel(link Link, vid uint16, pvid, untagged, self, master bool) error {
+	return h.bridgeVlanModify(syscall.RTM_DELLINK, link, vid, pvid, untagged, self, master)
+}
+
+func (h *Handle) bridgeVlanModify(cmd int, link Link, vid uint16, pvid, untagged, self, master bool) error {
+	base := link.Attrs()
+	h.ensureIndex(base)
+	req := h.newNetlinkRequest(cmd, syscall.NLM_F_ACK)
+
+	msg := nl.NewIfInfomsg(syscall.AF_BRIDGE)
+	msg.Index = int32(base.Index)
+	req.AddData(msg)
+
+	br := nl.NewRtAttr(nl.IFLA_AF_SPEC, nil)
+	var flags uint16
+	if self {
+		flags |= nl.BRIDGE_FLAGS_SELF
+	}
+	if master {
+		flags |= nl.BRIDGE_FLAGS_MASTER
+	}
+	if flags > 0 {
+		nl.NewRtAttrChild(br, nl.IFLA_BRIDGE_FLAGS, nl.Uint16Attr(flags))
+	}
+	vlanInfo := &nl.BridgeVlanInfo{Vid: vid}
+	if pvid {
+		vlanInfo.Flags |= nl.BRIDGE_VLAN_INFO_PVID
+	}
+	if untagged {
+		vlanInfo.Flags |= nl.BRIDGE_VLAN_INFO_UNTAGGED
+	}
+	nl.NewRtAttrChild(br, nl.IFLA_BRIDGE_VLAN_INFO, vlanInfo.Serialize())
+	req.AddData(br)
+	_, err := req.Execute(syscall.NETLINK_ROUTE, 0)
+	if err != nil {
+		return err
+	}
+	return nil
+}

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

@@ -0,0 +1,352 @@
+package netlink
+
+import (
+	"bytes"
+	"encoding/binary"
+	"errors"
+	"fmt"
+	"net"
+	"syscall"
+
+	"github.com/vishvananda/netlink/nl"
+)
+
+// ConntrackTableType Conntrack table for the netlink operation
+type ConntrackTableType uint8
+
+const (
+	// ConntrackTable Conntrack table
+	// https://github.com/torvalds/linux/blob/master/include/uapi/linux/netfilter/nfnetlink.h -> #define NFNL_SUBSYS_CTNETLINK		 1
+	ConntrackTable = 1
+	// ConntrackExpectTable Conntrack expect table
+	// https://github.com/torvalds/linux/blob/master/include/uapi/linux/netfilter/nfnetlink.h -> #define NFNL_SUBSYS_CTNETLINK_EXP 2
+	ConntrackExpectTable = 2
+)
+
+const (
+	// backward compatibility with golang 1.6 which does not have io.SeekCurrent
+	seekCurrent = 1
+)
+
+// InetFamily Family type
+type InetFamily uint8
+
+//  -L [table] [options]          List conntrack or expectation table
+//  -G [table] parameters         Get conntrack or expectation
+
+//  -I [table] parameters         Create a conntrack or expectation
+//  -U [table] parameters         Update a conntrack
+//  -E [table] [options]          Show events
+
+//  -C [table]                    Show counter
+//  -S                            Show statistics
+
+// ConntrackTableList returns the flow list of a table of a specific family
+// conntrack -L [table] [options]          List conntrack or expectation table
+func ConntrackTableList(table ConntrackTableType, family InetFamily) ([]*ConntrackFlow, error) {
+	return pkgHandle.ConntrackTableList(table, family)
+}
+
+// ConntrackTableFlush flushes all the flows of a specified table
+// conntrack -F [table]            Flush table
+// The flush operation applies to all the family types
+func ConntrackTableFlush(table ConntrackTableType) error {
+	return pkgHandle.ConntrackTableFlush(table)
+}
+
+// ConntrackDeleteFilter deletes entries on the specified table on the base of the filter
+// conntrack -D [table] parameters         Delete conntrack or expectation
+func ConntrackDeleteFilter(table ConntrackTableType, family InetFamily, filter CustomConntrackFilter) (uint, error) {
+	return pkgHandle.ConntrackDeleteFilter(table, family, filter)
+}
+
+// ConntrackTableList returns the flow list of a table of a specific family using the netlink handle passed
+// conntrack -L [table] [options]          List conntrack or expectation table
+func (h *Handle) ConntrackTableList(table ConntrackTableType, family InetFamily) ([]*ConntrackFlow, error) {
+	res, err := h.dumpConntrackTable(table, family)
+	if err != nil {
+		return nil, err
+	}
+
+	// Deserialize all the flows
+	var result []*ConntrackFlow
+	for _, dataRaw := range res {
+		result = append(result, parseRawData(dataRaw))
+	}
+
+	return result, nil
+}
+
+// ConntrackTableFlush flushes all the flows of a specified table using the netlink handle passed
+// conntrack -F [table]            Flush table
+// The flush operation applies to all the family types
+func (h *Handle) ConntrackTableFlush(table ConntrackTableType) error {
+	req := h.newConntrackRequest(table, syscall.AF_INET, nl.IPCTNL_MSG_CT_DELETE, syscall.NLM_F_ACK)
+	_, err := req.Execute(syscall.NETLINK_NETFILTER, 0)
+	return err
+}
+
+// ConntrackDeleteFilter deletes entries on the specified table on the base of the filter using the netlink handle passed
+// conntrack -D [table] parameters         Delete conntrack or expectation
+func (h *Handle) ConntrackDeleteFilter(table ConntrackTableType, family InetFamily, filter CustomConntrackFilter) (uint, error) {
+	res, err := h.dumpConntrackTable(table, family)
+	if err != nil {
+		return 0, err
+	}
+
+	var matched uint
+	for _, dataRaw := range res {
+		flow := parseRawData(dataRaw)
+		if match := filter.MatchConntrackFlow(flow); match {
+			req2 := h.newConntrackRequest(table, family, nl.IPCTNL_MSG_CT_DELETE, syscall.NLM_F_ACK)
+			// skip the first 4 byte that are the netfilter header, the newConntrackRequest is adding it already
+			req2.AddRawData(dataRaw[4:])
+			req2.Execute(syscall.NETLINK_NETFILTER, 0)
+			matched++
+		}
+	}
+
+	return matched, nil
+}
+
+func (h *Handle) newConntrackRequest(table ConntrackTableType, family InetFamily, operation, flags int) *nl.NetlinkRequest {
+	// Create the Netlink request object
+	req := h.newNetlinkRequest((int(table)<<8)|operation, flags)
+	// Add the netfilter header
+	msg := &nl.Nfgenmsg{
+		NfgenFamily: uint8(family),
+		Version:     nl.NFNETLINK_V0,
+		ResId:       0,
+	}
+	req.AddData(msg)
+	return req
+}
+
+func (h *Handle) dumpConntrackTable(table ConntrackTableType, family InetFamily) ([][]byte, error) {
+	req := h.newConntrackRequest(table, family, nl.IPCTNL_MSG_CT_GET, syscall.NLM_F_DUMP)
+	return req.Execute(syscall.NETLINK_NETFILTER, 0)
+}
+
+// The full conntrack flow structure is very complicated and can be found in the file:
+// http://git.netfilter.org/libnetfilter_conntrack/tree/include/internal/object.h
+// For the time being, the structure below allows to parse and extract the base information of a flow
+type ipTuple struct {
+	SrcIP    net.IP
+	DstIP    net.IP
+	Protocol uint8
+	SrcPort  uint16
+	DstPort  uint16
+}
+
+type ConntrackFlow struct {
+	FamilyType uint8
+	Forward    ipTuple
+	Reverse    ipTuple
+}
+
+func (s *ConntrackFlow) String() string {
+	// conntrack cmd output:
+	// udp      17 src=127.0.0.1 dst=127.0.0.1 sport=4001 dport=1234 [UNREPLIED] src=127.0.0.1 dst=127.0.0.1 sport=1234 dport=4001
+	return fmt.Sprintf("%s\t%d src=%s dst=%s sport=%d dport=%d\tsrc=%s dst=%s sport=%d dport=%d",
+		nl.L4ProtoMap[s.Forward.Protocol], s.Forward.Protocol,
+		s.Forward.SrcIP.String(), s.Forward.DstIP.String(), s.Forward.SrcPort, s.Forward.DstPort,
+		s.Reverse.SrcIP.String(), s.Reverse.DstIP.String(), s.Reverse.SrcPort, s.Reverse.DstPort)
+}
+
+// This method parse the ip tuple structure
+// The message structure is the following:
+// <len, [CTA_IP_V4_SRC|CTA_IP_V6_SRC], 16 bytes for the IP>
+// <len, [CTA_IP_V4_DST|CTA_IP_V6_DST], 16 bytes for the IP>
+// <len, NLA_F_NESTED|nl.CTA_TUPLE_PROTO, 1 byte for the protocol, 3 bytes of padding>
+// <len, CTA_PROTO_SRC_PORT, 2 bytes for the source port, 2 bytes of padding>
+// <len, CTA_PROTO_DST_PORT, 2 bytes for the source port, 2 bytes of padding>
+func parseIpTuple(reader *bytes.Reader, tpl *ipTuple) {
+	for i := 0; i < 2; i++ {
+		_, t, _, v := parseNfAttrTLV(reader)
+		switch t {
+		case nl.CTA_IP_V4_SRC, nl.CTA_IP_V6_SRC:
+			tpl.SrcIP = v
+		case nl.CTA_IP_V4_DST, nl.CTA_IP_V6_DST:
+			tpl.DstIP = v
+		}
+	}
+	// Skip the next 4 bytes  nl.NLA_F_NESTED|nl.CTA_TUPLE_PROTO
+	reader.Seek(4, seekCurrent)
+	_, t, _, v := parseNfAttrTLV(reader)
+	if t == nl.CTA_PROTO_NUM {
+		tpl.Protocol = uint8(v[0])
+	}
+	// Skip some padding 3 bytes
+	reader.Seek(3, seekCurrent)
+	for i := 0; i < 2; i++ {
+		_, t, _ := parseNfAttrTL(reader)
+		switch t {
+		case nl.CTA_PROTO_SRC_PORT:
+			parseBERaw16(reader, &tpl.SrcPort)
+		case nl.CTA_PROTO_DST_PORT:
+			parseBERaw16(reader, &tpl.DstPort)
+		}
+		// Skip some padding 2 byte
+		reader.Seek(2, seekCurrent)
+	}
+}
+
+func parseNfAttrTLV(r *bytes.Reader) (isNested bool, attrType, len uint16, value []byte) {
+	isNested, attrType, len = parseNfAttrTL(r)
+
+	value = make([]byte, len)
+	binary.Read(r, binary.BigEndian, &value)
+	return isNested, attrType, len, value
+}
+
+func parseNfAttrTL(r *bytes.Reader) (isNested bool, attrType, len uint16) {
+	binary.Read(r, nl.NativeEndian(), &len)
+	len -= nl.SizeofNfattr
+
+	binary.Read(r, nl.NativeEndian(), &attrType)
+	isNested = (attrType & nl.NLA_F_NESTED) == nl.NLA_F_NESTED
+	attrType = attrType & (nl.NLA_F_NESTED - 1)
+
+	return isNested, attrType, len
+}
+
+func parseBERaw16(r *bytes.Reader, v *uint16) {
+	binary.Read(r, binary.BigEndian, v)
+}
+
+func parseRawData(data []byte) *ConntrackFlow {
+	s := &ConntrackFlow{}
+	// First there is the Nfgenmsg header
+	// consume only the family field
+	reader := bytes.NewReader(data)
+	binary.Read(reader, nl.NativeEndian(), &s.FamilyType)
+
+	// skip rest of the Netfilter header
+	reader.Seek(3, seekCurrent)
+	// The message structure is the following:
+	// <len, NLA_F_NESTED|CTA_TUPLE_ORIG> 4 bytes
+	// <len, NLA_F_NESTED|CTA_TUPLE_IP> 4 bytes
+	// flow information of the forward flow
+	// <len, NLA_F_NESTED|CTA_TUPLE_REPLY> 4 bytes
+	// <len, NLA_F_NESTED|CTA_TUPLE_IP> 4 bytes
+	// flow information of the reverse flow
+	for reader.Len() > 0 {
+		nested, t, l := parseNfAttrTL(reader)
+		if nested && t == nl.CTA_TUPLE_ORIG {
+			if nested, t, _ = parseNfAttrTL(reader); nested && t == nl.CTA_TUPLE_IP {
+				parseIpTuple(reader, &s.Forward)
+			}
+		} else if nested && t == nl.CTA_TUPLE_REPLY {
+			if nested, t, _ = parseNfAttrTL(reader); nested && t == nl.CTA_TUPLE_IP {
+				parseIpTuple(reader, &s.Reverse)
+
+				// Got all the useful information stop parsing
+				break
+			} else {
+				// Header not recognized skip it
+				reader.Seek(int64(l), seekCurrent)
+			}
+		}
+	}
+
+	return s
+}
+
+// Conntrack parameters and options:
+//   -n, --src-nat ip                      source NAT ip
+//   -g, --dst-nat ip                      destination NAT ip
+//   -j, --any-nat ip                      source or destination NAT ip
+//   -m, --mark mark                       Set mark
+//   -c, --secmark secmark                 Set selinux secmark
+//   -e, --event-mask eventmask            Event mask, eg. NEW,DESTROY
+//   -z, --zero                            Zero counters while listing
+//   -o, --output type[,...]               Output format, eg. xml
+//   -l, --label label[,...]               conntrack labels
+
+// Common parameters and options:
+//   -s, --src, --orig-src ip              Source address from original direction
+//   -d, --dst, --orig-dst ip              Destination address from original direction
+//   -r, --reply-src ip            Source addres from reply direction
+//   -q, --reply-dst ip            Destination address from reply direction
+//   -p, --protonum proto          Layer 4 Protocol, eg. 'tcp'
+//   -f, --family proto            Layer 3 Protocol, eg. 'ipv6'
+//   -t, --timeout timeout         Set timeout
+//   -u, --status status           Set status, eg. ASSURED
+//   -w, --zone value              Set conntrack zone
+//   --orig-zone value             Set zone for original direction
+//   --reply-zone value            Set zone for reply direction
+//   -b, --buffer-size             Netlink socket buffer size
+//   --mask-src ip                 Source mask address
+//   --mask-dst ip                 Destination mask address
+
+// Filter types
+type ConntrackFilterType uint8
+
+const (
+	ConntrackOrigSrcIP = iota // -orig-src ip   Source address from original direction
+	ConntrackOrigDstIP        // -orig-dst ip   Destination address from original direction
+	ConntrackNatSrcIP         // -src-nat ip    Source NAT ip
+	ConntrackNatDstIP         // -dst-nat ip    Destination NAT ip
+	ConntrackNatAnyIP         // -any-nat ip    Source or destination NAT ip
+)
+
+type CustomConntrackFilter interface {
+	// MatchConntrackFlow applies the filter to the flow and returns true if the flow matches
+	// the filter or false otherwise
+	MatchConntrackFlow(flow *ConntrackFlow) bool
+}
+
+type ConntrackFilter struct {
+	ipFilter map[ConntrackFilterType]net.IP
+}
+
+// AddIP adds an IP to the conntrack filter
+func (f *ConntrackFilter) AddIP(tp ConntrackFilterType, ip net.IP) error {
+	if f.ipFilter == nil {
+		f.ipFilter = make(map[ConntrackFilterType]net.IP)
+	}
+	if _, ok := f.ipFilter[tp]; ok {
+		return errors.New("Filter attribute already present")
+	}
+	f.ipFilter[tp] = ip
+	return nil
+}
+
+// MatchConntrackFlow applies the filter to the flow and returns true if the flow matches the filter
+// false otherwise
+func (f *ConntrackFilter) MatchConntrackFlow(flow *ConntrackFlow) bool {
+	if len(f.ipFilter) == 0 {
+		// empty filter always not match
+		return false
+	}
+
+	match := true
+	// -orig-src ip   Source address from original direction
+	if elem, found := f.ipFilter[ConntrackOrigSrcIP]; found {
+		match = match && elem.Equal(flow.Forward.SrcIP)
+	}
+
+	// -orig-dst ip   Destination address from original direction
+	if elem, found := f.ipFilter[ConntrackOrigDstIP]; match && found {
+		match = match && elem.Equal(flow.Forward.DstIP)
+	}
+
+	// -src-nat ip    Source NAT ip
+	if elem, found := f.ipFilter[ConntrackNatSrcIP]; match && found {
+		match = match && elem.Equal(flow.Reverse.SrcIP)
+	}
+
+	// -dst-nat ip    Destination NAT ip
+	if elem, found := f.ipFilter[ConntrackNatDstIP]; match && found {
+		match = match && elem.Equal(flow.Reverse.DstIP)
+	}
+
+	// -any-nat ip    Source or destination NAT ip
+	if elem, found := f.ipFilter[ConntrackNatAnyIP]; match && found {
+		match = match && (elem.Equal(flow.Reverse.SrcIP) || elem.Equal(flow.Reverse.DstIP))
+	}
+
+	return match
+}
+
+var _ CustomConntrackFilter = (*ConntrackFilter)(nil)

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

@@ -0,0 +1,53 @@
+// +build !linux
+
+package netlink
+
+// ConntrackTableType Conntrack table for the netlink operation
+type ConntrackTableType uint8
+
+// InetFamily Family type
+type InetFamily uint8
+
+// ConntrackFlow placeholder
+type ConntrackFlow struct{}
+
+// ConntrackFilter placeholder
+type ConntrackFilter struct{}
+
+// ConntrackTableList returns the flow list of a table of a specific family
+// conntrack -L [table] [options]          List conntrack or expectation table
+func ConntrackTableList(table ConntrackTableType, family InetFamily) ([]*ConntrackFlow, error) {
+	return nil, ErrNotImplemented
+}
+
+// ConntrackTableFlush flushes all the flows of a specified table
+// conntrack -F [table]            Flush table
+// The flush operation applies to all the family types
+func ConntrackTableFlush(table ConntrackTableType) error {
+	return ErrNotImplemented
+}
+
+// ConntrackDeleteFilter deletes entries on the specified table on the base of the filter
+// conntrack -D [table] parameters         Delete conntrack or expectation
+func ConntrackDeleteFilter(table ConntrackTableType, family InetFamily, filter *ConntrackFilter) (uint, error) {
+	return 0, ErrNotImplemented
+}
+
+// ConntrackTableList returns the flow list of a table of a specific family using the netlink handle passed
+// conntrack -L [table] [options]          List conntrack or expectation table
+func (h *Handle) ConntrackTableList(table ConntrackTableType, family InetFamily) ([]*ConntrackFlow, error) {
+	return nil, ErrNotImplemented
+}
+
+// ConntrackTableFlush flushes all the flows of a specified table using the netlink handle passed
+// conntrack -F [table]            Flush table
+// The flush operation applies to all the family types
+func (h *Handle) ConntrackTableFlush(table ConntrackTableType) error {
+	return ErrNotImplemented
+}
+
+// ConntrackDeleteFilter deletes entries on the specified table on the base of the filter using the netlink handle passed
+// conntrack -D [table] parameters         Delete conntrack or expectation
+func (h *Handle) ConntrackDeleteFilter(table ConntrackTableType, family InetFamily, filter *ConntrackFilter) (uint, error) {
+	return 0, ErrNotImplemented
+}

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

@@ -1,6 +1,10 @@
 package netlink
 
-import "fmt"
+import (
+	"fmt"
+
+	"github.com/vishvananda/netlink/nl"
+)
 
 type Filter interface {
 	Attrs() *FilterAttrs
@@ -180,11 +184,46 @@ func NewMirredAction(redirIndex int) *MirredAction {
 	}
 }
 
+// Constants used in TcU32Sel.Flags.
+const (
+	TC_U32_TERMINAL  = nl.TC_U32_TERMINAL
+	TC_U32_OFFSET    = nl.TC_U32_OFFSET
+	TC_U32_VAROFFSET = nl.TC_U32_VAROFFSET
+	TC_U32_EAT       = nl.TC_U32_EAT
+)
+
+// Sel of the U32 filters that contains multiple TcU32Key. This is the copy
+// and the frontend representation of nl.TcU32Sel. It is serialized into canonical
+// nl.TcU32Sel with the appropriate endianness.
+type TcU32Sel struct {
+	Flags    uint8
+	Offshift uint8
+	Nkeys    uint8
+	Pad      uint8
+	Offmask  uint16
+	Off      uint16
+	Offoff   int16
+	Hoff     int16
+	Hmask    uint32
+	Keys     []TcU32Key
+}
+
+// TcU32Key contained of Sel in the U32 filters. This is the copy and the frontend
+// representation of nl.TcU32Key. It is serialized into chanonical nl.TcU32Sel
+// with the appropriate endianness.
+type TcU32Key struct {
+	Mask    uint32
+	Val     uint32
+	Off     int32
+	OffMask int32
+}
+
 // U32 filters on many packet related properties
 type U32 struct {
 	FilterAttrs
 	ClassId    uint32
 	RedirIndex int
+	Sel        *TcU32Sel
 	Actions    []Action
 }
 

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

@@ -6,6 +6,7 @@ import (
 	"errors"
 	"fmt"
 	"syscall"
+	"unsafe"
 
 	"github.com/vishvananda/netlink/nl"
 )
@@ -128,12 +129,34 @@ func (h *Handle) FilterAdd(filter Filter) error {
 
 	options := nl.NewRtAttr(nl.TCA_OPTIONS, nil)
 	if u32, ok := filter.(*U32); ok {
-		// match all
+		// Convert TcU32Sel into nl.TcU32Sel as it is without copy.
-		sel := nl.TcU32Sel{
+		sel := (*nl.TcU32Sel)(unsafe.Pointer(u32.Sel))
-			Nkeys: 1,
+		if sel == nil {
-			Flags: nl.TC_U32_TERMINAL,
+			// match all
+			sel = &nl.TcU32Sel{
+				Nkeys: 1,
+				Flags: nl.TC_U32_TERMINAL,
+			}
+			sel.Keys = append(sel.Keys, nl.TcU32Key{})
 		}
-		sel.Keys = append(sel.Keys, nl.TcU32Key{})
+
+		if native != networkOrder {
+			// Copy TcU32Sel.
+			cSel := *sel
+			keys := make([]nl.TcU32Key, cap(sel.Keys))
+			copy(keys, sel.Keys)
+			cSel.Keys = keys
+			sel = &cSel
+
+			// Handle the endianness of attributes
+			sel.Offmask = native.Uint16(htons(sel.Offmask))
+			sel.Hmask = native.Uint32(htonl(sel.Hmask))
+			for i, key := range sel.Keys {
+				sel.Keys[i].Mask = native.Uint32(htonl(key.Mask))
+				sel.Keys[i].Val = native.Uint32(htonl(key.Val))
+			}
+		}
+		sel.Nkeys = uint8(len(sel.Keys))
 		nl.NewRtAttrChild(options, nl.TCA_U32_SEL, sel.Serialize())
 		if u32.ClassId != 0 {
 			nl.NewRtAttrChild(options, nl.TCA_U32_CLASSID, nl.Uint32Attr(u32.ClassId))
@@ -425,9 +448,15 @@ func parseU32Data(filter Filter, data []syscall.NetlinkRouteAttr) (bool, error)
 		case nl.TCA_U32_SEL:
 			detailed = true
 			sel := nl.DeserializeTcU32Sel(datum.Value)
-			// only parse if we have a very basic redirect
+			u32.Sel = (*TcU32Sel)(unsafe.Pointer(sel))
-			if sel.Flags&nl.TC_U32_TERMINAL == 0 || sel.Nkeys != 1 {
+			if native != networkOrder {
-				return detailed, nil
+				// Handle the endianness of attributes
+				u32.Sel.Offmask = native.Uint16(htons(sel.Offmask))
+				u32.Sel.Hmask = native.Uint32(htonl(sel.Hmask))
+				for i, key := range u32.Sel.Keys {
+					u32.Sel.Keys[i].Mask = native.Uint32(htonl(key.Mask))
+					u32.Sel.Keys[i].Val = native.Uint32(htonl(key.Val))
+				}
 			}
 		case nl.TCA_U32_ACT:
 			tables, err := nl.ParseRouteAttr(datum.Value)
@@ -443,6 +472,8 @@ func parseU32Data(filter Filter, data []syscall.NetlinkRouteAttr) (bool, error)
 					u32.RedirIndex = int(action.Ifindex)
 				}
 			}
+		case nl.TCA_U32_CLASSID:
+			u32.ClassId = native.Uint32(datum.Value)
 		}
 	}
 	return detailed, nil

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

@@ -0,0 +1,167 @@
+package netlink
+
+import (
+	"fmt"
+	"syscall"
+
+	"github.com/vishvananda/netlink/nl"
+)
+
+type GenlOp struct {
+	ID    uint32
+	Flags uint32
+}
+
+type GenlMulticastGroup struct {
+	ID   uint32
+	Name string
+}
+
+type GenlFamily struct {
+	ID      uint16
+	HdrSize uint32
+	Name    string
+	Version uint32
+	MaxAttr uint32
+	Ops     []GenlOp
+	Groups  []GenlMulticastGroup
+}
+
+func parseOps(b []byte) ([]GenlOp, error) {
+	attrs, err := nl.ParseRouteAttr(b)
+	if err != nil {
+		return nil, err
+	}
+	ops := make([]GenlOp, 0, len(attrs))
+	for _, a := range attrs {
+		nattrs, err := nl.ParseRouteAttr(a.Value)
+		if err != nil {
+			return nil, err
+		}
+		var op GenlOp
+		for _, na := range nattrs {
+			switch na.Attr.Type {
+			case nl.GENL_CTRL_ATTR_OP_ID:
+				op.ID = native.Uint32(na.Value)
+			case nl.GENL_CTRL_ATTR_OP_FLAGS:
+				op.Flags = native.Uint32(na.Value)
+			}
+		}
+		ops = append(ops, op)
+	}
+	return ops, nil
+}
+
+func parseMulticastGroups(b []byte) ([]GenlMulticastGroup, error) {
+	attrs, err := nl.ParseRouteAttr(b)
+	if err != nil {
+		return nil, err
+	}
+	groups := make([]GenlMulticastGroup, 0, len(attrs))
+	for _, a := range attrs {
+		nattrs, err := nl.ParseRouteAttr(a.Value)
+		if err != nil {
+			return nil, err
+		}
+		var g GenlMulticastGroup
+		for _, na := range nattrs {
+			switch na.Attr.Type {
+			case nl.GENL_CTRL_ATTR_MCAST_GRP_NAME:
+				g.Name = nl.BytesToString(na.Value)
+			case nl.GENL_CTRL_ATTR_MCAST_GRP_ID:
+				g.ID = native.Uint32(na.Value)
+			}
+		}
+		groups = append(groups, g)
+	}
+	return groups, nil
+}
+
+func (f *GenlFamily) parseAttributes(attrs []syscall.NetlinkRouteAttr) error {
+	for _, a := range attrs {
+		switch a.Attr.Type {
+		case nl.GENL_CTRL_ATTR_FAMILY_NAME:
+			f.Name = nl.BytesToString(a.Value)
+		case nl.GENL_CTRL_ATTR_FAMILY_ID:
+			f.ID = native.Uint16(a.Value)
+		case nl.GENL_CTRL_ATTR_VERSION:
+			f.Version = native.Uint32(a.Value)
+		case nl.GENL_CTRL_ATTR_HDRSIZE:
+			f.HdrSize = native.Uint32(a.Value)
+		case nl.GENL_CTRL_ATTR_MAXATTR:
+			f.MaxAttr = native.Uint32(a.Value)
+		case nl.GENL_CTRL_ATTR_OPS:
+			ops, err := parseOps(a.Value)
+			if err != nil {
+				return err
+			}
+			f.Ops = ops
+		case nl.GENL_CTRL_ATTR_MCAST_GROUPS:
+			groups, err := parseMulticastGroups(a.Value)
+			if err != nil {
+				return err
+			}
+			f.Groups = groups
+		}
+	}
+
+	return nil
+}
+
+func parseFamilies(msgs [][]byte) ([]*GenlFamily, error) {
+	families := make([]*GenlFamily, 0, len(msgs))
+	for _, m := range msgs {
+		attrs, err := nl.ParseRouteAttr(m[nl.SizeofGenlmsg:])
+		if err != nil {
+			return nil, err
+		}
+		family := &GenlFamily{}
+		if err := family.parseAttributes(attrs); err != nil {
+			return nil, err
+		}
+
+		families = append(families, family)
+	}
+	return families, nil
+}
+
+func (h *Handle) GenlFamilyList() ([]*GenlFamily, error) {
+	msg := &nl.Genlmsg{
+		Command: nl.GENL_CTRL_CMD_GETFAMILY,
+		Version: nl.GENL_CTRL_VERSION,
+	}
+	req := h.newNetlinkRequest(nl.GENL_ID_CTRL, syscall.NLM_F_DUMP)
+	req.AddData(msg)
+	msgs, err := req.Execute(syscall.NETLINK_GENERIC, 0)
+	if err != nil {
+		return nil, err
+	}
+	return parseFamilies(msgs)
+}
+
+func GenlFamilyList() ([]*GenlFamily, error) {
+	return pkgHandle.GenlFamilyList()
+}
+
+func (h *Handle) GenlFamilyGet(name string) (*GenlFamily, error) {
+	msg := &nl.Genlmsg{
+		Command: nl.GENL_CTRL_CMD_GETFAMILY,
+		Version: nl.GENL_CTRL_VERSION,
+	}
+	req := h.newNetlinkRequest(nl.GENL_ID_CTRL, 0)
+	req.AddData(msg)
+	req.AddData(nl.NewRtAttr(nl.GENL_CTRL_ATTR_FAMILY_NAME, nl.ZeroTerminated(name)))
+	msgs, err := req.Execute(syscall.NETLINK_GENERIC, 0)
+	if err != nil {
+		return nil, err
+	}
+	families, err := parseFamilies(msgs)
+	if len(families) != 1 {
+		return nil, fmt.Errorf("invalid response for GENL_CTRL_CMD_GETFAMILY")
+	}
+	return families[0], nil
+}
+
+func GenlFamilyGet(name string) (*GenlFamily, error) {
+	return pkgHandle.GenlFamilyGet(name)
+}

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

@@ -0,0 +1,25 @@
+// +build !linux
+
+package netlink
+
+type GenlOp struct{}
+
+type GenlMulticastGroup struct{}
+
+type GenlFamily struct{}
+
+func (h *Handle) GenlFamilyList() ([]*GenlFamily, error) {
+	return nil, ErrNotImplemented
+}
+
+func GenlFamilyList() ([]*GenlFamily, error) {
+	return nil, ErrNotImplemented
+}
+
+func (h *Handle) GenlFamilyGet(name string) (*GenlFamily, error) {
+	return nil, ErrNotImplemented
+}
+
+func GenlFamilyGet(name string) (*GenlFamily, error) {
+	return nil, ErrNotImplemented
+}

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

@@ -0,0 +1,238 @@
+package netlink
+
+import (
+	"fmt"
+	"net"
+	"strings"
+	"syscall"
+
+	"github.com/vishvananda/netlink/nl"
+)
+
+type PDP struct {
+	Version     uint32
+	TID         uint64
+	PeerAddress net.IP
+	MSAddress   net.IP
+	Flow        uint16
+	NetNSFD     uint32
+	ITEI        uint32
+	OTEI        uint32
+}
+
+func (pdp *PDP) String() string {
+	elems := []string{}
+	elems = append(elems, fmt.Sprintf("Version: %d", pdp.Version))
+	if pdp.Version == 0 {
+		elems = append(elems, fmt.Sprintf("TID: %d", pdp.TID))
+	} else if pdp.Version == 1 {
+		elems = append(elems, fmt.Sprintf("TEI: %d/%d", pdp.ITEI, pdp.OTEI))
+	}
+	elems = append(elems, fmt.Sprintf("MS-Address: %s", pdp.MSAddress))
+	elems = append(elems, fmt.Sprintf("Peer-Address: %s", pdp.PeerAddress))
+	return fmt.Sprintf("{%s}", strings.Join(elems, " "))
+}
+
+func (p *PDP) parseAttributes(attrs []syscall.NetlinkRouteAttr) error {
+	for _, a := range attrs {
+		switch a.Attr.Type {
+		case nl.GENL_GTP_ATTR_VERSION:
+			p.Version = native.Uint32(a.Value)
+		case nl.GENL_GTP_ATTR_TID:
+			p.TID = native.Uint64(a.Value)
+		case nl.GENL_GTP_ATTR_PEER_ADDRESS:
+			p.PeerAddress = net.IP(a.Value)
+		case nl.GENL_GTP_ATTR_MS_ADDRESS:
+			p.MSAddress = net.IP(a.Value)
+		case nl.GENL_GTP_ATTR_FLOW:
+			p.Flow = native.Uint16(a.Value)
+		case nl.GENL_GTP_ATTR_NET_NS_FD:
+			p.NetNSFD = native.Uint32(a.Value)
+		case nl.GENL_GTP_ATTR_I_TEI:
+			p.ITEI = native.Uint32(a.Value)
+		case nl.GENL_GTP_ATTR_O_TEI:
+			p.OTEI = native.Uint32(a.Value)
+		}
+	}
+	return nil
+}
+
+func parsePDP(msgs [][]byte) ([]*PDP, error) {
+	pdps := make([]*PDP, 0, len(msgs))
+	for _, m := range msgs {
+		attrs, err := nl.ParseRouteAttr(m[nl.SizeofGenlmsg:])
+		if err != nil {
+			return nil, err
+		}
+		pdp := &PDP{}
+		if err := pdp.parseAttributes(attrs); err != nil {
+			return nil, err
+		}
+		pdps = append(pdps, pdp)
+	}
+	return pdps, nil
+}
+
+func (h *Handle) GTPPDPList() ([]*PDP, error) {
+	f, err := h.GenlFamilyGet(nl.GENL_GTP_NAME)
+	if err != nil {
+		return nil, err
+	}
+	msg := &nl.Genlmsg{
+		Command: nl.GENL_GTP_CMD_GETPDP,
+		Version: nl.GENL_GTP_VERSION,
+	}
+	req := h.newNetlinkRequest(int(f.ID), syscall.NLM_F_DUMP)
+	req.AddData(msg)
+	msgs, err := req.Execute(syscall.NETLINK_GENERIC, 0)
+	if err != nil {
+		return nil, err
+	}
+	return parsePDP(msgs)
+}
+
+func GTPPDPList() ([]*PDP, error) {
+	return pkgHandle.GTPPDPList()
+}
+
+func gtpPDPGet(req *nl.NetlinkRequest) (*PDP, error) {
+	msgs, err := req.Execute(syscall.NETLINK_GENERIC, 0)
+	if err != nil {
+		return nil, err
+	}
+	pdps, err := parsePDP(msgs)
+	if err != nil {
+		return nil, err
+	}
+	if len(pdps) != 1 {
+		return nil, fmt.Errorf("invalid reqponse for GENL_GTP_CMD_GETPDP")
+	}
+	return pdps[0], nil
+}
+
+func (h *Handle) GTPPDPByTID(link Link, tid int) (*PDP, error) {
+	f, err := h.GenlFamilyGet(nl.GENL_GTP_NAME)
+	if err != nil {
+		return nil, err
+	}
+	msg := &nl.Genlmsg{
+		Command: nl.GENL_GTP_CMD_GETPDP,
+		Version: nl.GENL_GTP_VERSION,
+	}
+	req := h.newNetlinkRequest(int(f.ID), 0)
+	req.AddData(msg)
+	req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_VERSION, nl.Uint32Attr(0)))
+	req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_LINK, nl.Uint32Attr(uint32(link.Attrs().Index))))
+	req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_TID, nl.Uint64Attr(uint64(tid))))
+	return gtpPDPGet(req)
+}
+
+func GTPPDPByTID(link Link, tid int) (*PDP, error) {
+	return pkgHandle.GTPPDPByTID(link, tid)
+}
+
+func (h *Handle) GTPPDPByITEI(link Link, itei int) (*PDP, error) {
+	f, err := h.GenlFamilyGet(nl.GENL_GTP_NAME)
+	if err != nil {
+		return nil, err
+	}
+	msg := &nl.Genlmsg{
+		Command: nl.GENL_GTP_CMD_GETPDP,
+		Version: nl.GENL_GTP_VERSION,
+	}
+	req := h.newNetlinkRequest(int(f.ID), 0)
+	req.AddData(msg)
+	req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_VERSION, nl.Uint32Attr(1)))
+	req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_LINK, nl.Uint32Attr(uint32(link.Attrs().Index))))
+	req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_I_TEI, nl.Uint32Attr(uint32(itei))))
+	return gtpPDPGet(req)
+}
+
+func GTPPDPByITEI(link Link, itei int) (*PDP, error) {
+	return pkgHandle.GTPPDPByITEI(link, itei)
+}
+
+func (h *Handle) GTPPDPByMSAddress(link Link, addr net.IP) (*PDP, error) {
+	f, err := h.GenlFamilyGet(nl.GENL_GTP_NAME)
+	if err != nil {
+		return nil, err
+	}
+	msg := &nl.Genlmsg{
+		Command: nl.GENL_GTP_CMD_GETPDP,
+		Version: nl.GENL_GTP_VERSION,
+	}
+	req := h.newNetlinkRequest(int(f.ID), 0)
+	req.AddData(msg)
+	req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_VERSION, nl.Uint32Attr(0)))
+	req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_LINK, nl.Uint32Attr(uint32(link.Attrs().Index))))
+	req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_MS_ADDRESS, []byte(addr.To4())))
+	return gtpPDPGet(req)
+}
+
+func GTPPDPByMSAddress(link Link, addr net.IP) (*PDP, error) {
+	return pkgHandle.GTPPDPByMSAddress(link, addr)
+}
+
+func (h *Handle) GTPPDPAdd(link Link, pdp *PDP) error {
+	f, err := h.GenlFamilyGet(nl.GENL_GTP_NAME)
+	if err != nil {
+		return err
+	}
+	msg := &nl.Genlmsg{
+		Command: nl.GENL_GTP_CMD_NEWPDP,
+		Version: nl.GENL_GTP_VERSION,
+	}
+	req := h.newNetlinkRequest(int(f.ID), syscall.NLM_F_EXCL|syscall.NLM_F_ACK)
+	req.AddData(msg)
+	req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_VERSION, nl.Uint32Attr(pdp.Version)))
+	req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_LINK, nl.Uint32Attr(uint32(link.Attrs().Index))))
+	req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_PEER_ADDRESS, []byte(pdp.PeerAddress.To4())))
+	req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_MS_ADDRESS, []byte(pdp.MSAddress.To4())))
+
+	switch pdp.Version {
+	case 0:
+		req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_TID, nl.Uint64Attr(pdp.TID)))
+		req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_FLOW, nl.Uint16Attr(pdp.Flow)))
+	case 1:
+		req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_I_TEI, nl.Uint32Attr(pdp.ITEI)))
+		req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_O_TEI, nl.Uint32Attr(pdp.OTEI)))
+	default:
+		return fmt.Errorf("unsupported GTP version: %d", pdp.Version)
+	}
+	_, err = req.Execute(syscall.NETLINK_GENERIC, 0)
+	return err
+}
+
+func GTPPDPAdd(link Link, pdp *PDP) error {
+	return pkgHandle.GTPPDPAdd(link, pdp)
+}
+
+func (h *Handle) GTPPDPDel(link Link, pdp *PDP) error {
+	f, err := h.GenlFamilyGet(nl.GENL_GTP_NAME)
+	if err != nil {
+		return err
+	}
+	msg := &nl.Genlmsg{
+		Command: nl.GENL_GTP_CMD_DELPDP,
+		Version: nl.GENL_GTP_VERSION,
+	}
+	req := h.newNetlinkRequest(int(f.ID), syscall.NLM_F_EXCL|syscall.NLM_F_ACK)
+	req.AddData(msg)
+	req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_VERSION, nl.Uint32Attr(pdp.Version)))
+	req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_LINK, nl.Uint32Attr(uint32(link.Attrs().Index))))
+
+	switch pdp.Version {
+	case 0:
+		req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_TID, nl.Uint64Attr(pdp.TID)))
+	case 1:
+		req.AddData(nl.NewRtAttr(nl.GENL_GTP_ATTR_I_TEI, nl.Uint32Attr(pdp.ITEI)))
+	default:
+		return fmt.Errorf("unsupported GTP version: %d", pdp.Version)
+	}
+	_, err = req.Execute(syscall.NETLINK_GENERIC, 0)
+	return err
+}
+
+func GTPPDPDel(link Link, pdp *PDP) error {
+	return pkgHandle.GTPPDPDel(link, pdp)
+}

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

@@ -170,6 +170,7 @@ type LinkStatistics64 struct {
 type LinkXdp struct {
 	Fd       int
 	Attached bool
+	Flags    uint32
 }
 
 // Device links cannot be created via netlink. These links
@@ -215,6 +216,8 @@ func (ifb *Ifb) Type() string {
 // Bridge links are simple linux bridges
 type Bridge struct {
 	LinkAttrs
+	MulticastSnooping *bool
+	HelloTime         *uint32
 }
 
 func (bridge *Bridge) Attrs() *LinkAttrs {
@@ -336,6 +339,7 @@ type Vxlan struct {
 	UDPCSum      bool
 	NoAge        bool
 	GBP          bool
+	FlowBased    bool
 	Age          int
 	Limit        int
 	Port         int
@@ -590,7 +594,11 @@ type Bond struct {
 	LacpRate        BondLacpRate
 	AdSelect        BondAdSelect
 	// looking at iproute tool AdInfo can only be retrived. It can't be set.
-	AdInfo *BondAdInfo
+	AdInfo         *BondAdInfo
+	AdActorSysPrio int
+	AdUserPortKey  int
+	AdActorSystem  net.HardwareAddr
+	TlbDynamicLb   int
 }
 
 func NewLinkBond(atr LinkAttrs) *Bond {
@@ -618,6 +626,10 @@ func NewLinkBond(atr LinkAttrs) *Bond {
 		PackersPerSlave: -1,
 		LacpRate:        -1,
 		AdSelect:        -1,
+		AdActorSysPrio:  -1,
+		AdUserPortKey:   -1,
+		AdActorSystem:   nil,
+		TlbDynamicLb:    -1,
 	}
 }
 
@@ -673,6 +685,7 @@ type Gretap struct {
 	EncapType  uint16
 	EncapFlags uint16
 	Link       uint32
+	FlowBased  bool
 }
 
 func (gretap *Gretap) Attrs() *LinkAttrs {
@@ -731,8 +744,32 @@ func (vrf *Vrf) Type() string {
 	return "vrf"
 }
 
+type GTP struct {
+	LinkAttrs
+	FD0         int
+	FD1         int
+	Role        int
+	PDPHashsize int
+}
+
+func (gtp *GTP) Attrs() *LinkAttrs {
+	return &gtp.LinkAttrs
+}
+
+func (gtp *GTP) Type() string {
+	return "gtp"
+}
+
 // iproute2 supported devices;
 // vlan | veth | vcan | dummy | ifb | macvlan | macvtap |
 // bridge | bond | ipoib | ip6tnl | ipip | sit | vxlan |
 // gre | gretap | ip6gre | ip6gretap | vti | nlmon |
 // bond_slave | ipvlan
+
+// LinkNotFoundError wraps the various not found errors when
+// getting/reading links. This is intended for better error
+// handling by dependent code so that "not found error" can
+// be distinguished from other errors
+type LinkNotFoundError struct {
+	error
+}

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

@@ -58,6 +58,44 @@ func (h *Handle) ensureIndex(link *LinkAttrs) {
 	}
 }
 
+func (h *Handle) LinkSetARPOff(link Link) error {
+	base := link.Attrs()
+	h.ensureIndex(base)
+	req := h.newNetlinkRequest(syscall.RTM_SETLINK, syscall.NLM_F_ACK)
+
+	msg := nl.NewIfInfomsg(syscall.AF_UNSPEC)
+	msg.Change |= syscall.IFF_NOARP
+	msg.Flags |= syscall.IFF_NOARP
+	msg.Index = int32(base.Index)
+	req.AddData(msg)
+
+	_, err := req.Execute(syscall.NETLINK_ROUTE, 0)
+	return err
+}
+
+func LinkSetARPOff(link Link) error {
+	return pkgHandle.LinkSetARPOff(link)
+}
+
+func (h *Handle) LinkSetARPOn(link Link) error {
+	base := link.Attrs()
+	h.ensureIndex(base)
+	req := h.newNetlinkRequest(syscall.RTM_SETLINK, syscall.NLM_F_ACK)
+
+	msg := nl.NewIfInfomsg(syscall.AF_UNSPEC)
+	msg.Change |= syscall.IFF_NOARP
+	msg.Flags &= ^uint32(syscall.IFF_NOARP)
+	msg.Index = int32(base.Index)
+	req.AddData(msg)
+
+	_, err := req.Execute(syscall.NETLINK_ROUTE, 0)
+	return err
+}
+
+func LinkSetARPOn(link Link) error {
+	return pkgHandle.LinkSetARPOn(link)
+}
+
 func (h *Handle) SetPromiscOn(link Link) error {
 	base := link.Attrs()
 	h.ensureIndex(base)
@@ -65,7 +103,7 @@ func (h *Handle) SetPromiscOn(link Link) error {
 
 	msg := nl.NewIfInfomsg(syscall.AF_UNSPEC)
 	msg.Change = syscall.IFF_PROMISC
-	msg.Flags = syscall.IFF_UP
+	msg.Flags = syscall.IFF_PROMISC
 	msg.Index = int32(base.Index)
 	req.AddData(msg)
 
@@ -73,6 +111,16 @@ func (h *Handle) SetPromiscOn(link Link) error {
 	return err
 }
 
+func BridgeSetMcastSnoop(link Link, on bool) error {
+	return pkgHandle.BridgeSetMcastSnoop(link, on)
+}
+
+func (h *Handle) BridgeSetMcastSnoop(link Link, on bool) error {
+	bridge := link.(*Bridge)
+	bridge.MulticastSnooping = &on
+	return h.linkModify(bridge, syscall.NLM_F_ACK)
+}
+
 func SetPromiscOn(link Link) error {
 	return pkgHandle.SetPromiscOn(link)
 }
@@ -84,7 +132,7 @@ func (h *Handle) SetPromiscOff(link Link) error {
 
 	msg := nl.NewIfInfomsg(syscall.AF_UNSPEC)
 	msg.Change = syscall.IFF_PROMISC
-	msg.Flags = 0 & ^syscall.IFF_UP
+	msg.Flags = 0 & ^syscall.IFF_PROMISC
 	msg.Index = int32(base.Index)
 	req.AddData(msg)
 
@@ -480,7 +528,13 @@ type vxlanPortRange struct {
 
 func addVxlanAttrs(vxlan *Vxlan, linkInfo *nl.RtAttr) {
 	data := nl.NewRtAttrChild(linkInfo, nl.IFLA_INFO_DATA, nil)
+
+	if vxlan.FlowBased {
+		vxlan.VxlanId = 0
+	}
+
 	nl.NewRtAttrChild(data, nl.IFLA_VXLAN_ID, nl.Uint32Attr(uint32(vxlan.VxlanId)))
+
 	if vxlan.VtepDevIndex != 0 {
 		nl.NewRtAttrChild(data, nl.IFLA_VXLAN_LINK, nl.Uint32Attr(uint32(vxlan.VtepDevIndex)))
 	}
@@ -521,6 +575,9 @@ func addVxlanAttrs(vxlan *Vxlan, linkInfo *nl.RtAttr) {
 	if vxlan.GBP {
 		nl.NewRtAttrChild(data, nl.IFLA_VXLAN_GBP, []byte{})
 	}
+	if vxlan.FlowBased {
+		nl.NewRtAttrChild(data, nl.IFLA_VXLAN_FLOWBASED, boolAttr(vxlan.FlowBased))
+	}
 	if vxlan.NoAge {
 		nl.NewRtAttrChild(data, nl.IFLA_VXLAN_AGEING, nl.Uint32Attr(0))
 	} else if vxlan.Age > 0 {
@@ -621,6 +678,18 @@ func addBondAttrs(bond *Bond, linkInfo *nl.RtAttr) {
 	if bond.AdSelect >= 0 {
 		nl.NewRtAttrChild(data, nl.IFLA_BOND_AD_SELECT, nl.Uint8Attr(uint8(bond.AdSelect)))
 	}
+	if bond.AdActorSysPrio >= 0 {
+		nl.NewRtAttrChild(data, nl.IFLA_BOND_AD_ACTOR_SYS_PRIO, nl.Uint16Attr(uint16(bond.AdActorSysPrio)))
+	}
+	if bond.AdUserPortKey >= 0 {
+		nl.NewRtAttrChild(data, nl.IFLA_BOND_AD_USER_PORT_KEY, nl.Uint16Attr(uint16(bond.AdUserPortKey)))
+	}
+	if bond.AdActorSystem != nil {
+		nl.NewRtAttrChild(data, nl.IFLA_BOND_AD_ACTOR_SYSTEM, []byte(bond.AdActorSystem))
+	}
+	if bond.TlbDynamicLb >= 0 {
+		nl.NewRtAttrChild(data, nl.IFLA_BOND_TLB_DYNAMIC_LB, nl.Uint8Attr(uint8(bond.TlbDynamicLb)))
+	}
 }
 
 // LinkAdd adds a new link device. The type and features of the device
@@ -634,7 +703,10 @@ func LinkAdd(link Link) error {
 // are taken fromt the parameters in the link object.
 // Equivalent to: `ip link add $link`
 func (h *Handle) LinkAdd(link Link) error {
-	// TODO: set mtu and hardware address
+	return h.linkModify(link, syscall.NLM_F_CREATE|syscall.NLM_F_EXCL|syscall.NLM_F_ACK)
+}
+
+func (h *Handle) linkModify(link Link, flags int) error {
 	// TODO: support extra data for macvlan
 	base := link.Attrs()
 
@@ -681,7 +753,7 @@ func (h *Handle) LinkAdd(link Link) error {
 		return nil
 	}
 
-	req := h.newNetlinkRequest(syscall.RTM_NEWLINK, syscall.NLM_F_CREATE|syscall.NLM_F_EXCL|syscall.NLM_F_ACK)
+	req := h.newNetlinkRequest(syscall.RTM_NEWLINK, flags)
 
 	msg := nl.NewIfInfomsg(syscall.AF_UNSPEC)
 	// TODO: make it shorter
@@ -729,6 +801,11 @@ func (h *Handle) LinkAdd(link Link) error {
 		req.AddData(qlen)
 	}
 
+	if base.HardwareAddr != nil {
+		hwaddr := nl.NewRtAttr(syscall.IFLA_ADDRESS, []byte(base.HardwareAddr))
+		req.AddData(hwaddr)
+	}
+
 	if base.Namespace != nil {
 		var attr *nl.RtAttr
 		switch base.Namespace.(type) {
@@ -792,6 +869,10 @@ func (h *Handle) LinkAdd(link Link) error {
 		addVtiAttrs(vti, linkInfo)
 	} else if vrf, ok := link.(*Vrf); ok {
 		addVrfAttrs(vrf, linkInfo)
+	} else if bridge, ok := link.(*Bridge); ok {
+		addBridgeAttrs(bridge, linkInfo)
+	} else if gtp, ok := link.(*GTP); ok {
+		addGTPAttrs(gtp, linkInfo)
 	}
 
 	req.AddData(linkInfo)
@@ -847,7 +928,7 @@ func (h *Handle) linkByNameDump(name string) (Link, error) {
 			return link, nil
 		}
 	}
-	return nil, fmt.Errorf("Link %s not found", name)
+	return nil, LinkNotFoundError{fmt.Errorf("Link %s not found", name)}
 }
 
 func (h *Handle) linkByAliasDump(alias string) (Link, error) {
@@ -861,7 +942,7 @@ func (h *Handle) linkByAliasDump(alias string) (Link, error) {
 			return link, nil
 		}
 	}
-	return nil, fmt.Errorf("Link alias %s not found", alias)
+	return nil, LinkNotFoundError{fmt.Errorf("Link alias %s not found", alias)}
 }
 
 // LinkByName finds a link by name and returns a pointer to the object.
@@ -947,7 +1028,7 @@ func execGetLink(req *nl.NetlinkRequest) (Link, error) {
 	if err != nil {
 		if errno, ok := err.(syscall.Errno); ok {
 			if errno == syscall.ENODEV {
-				return nil, fmt.Errorf("Link not found")
+				return nil, LinkNotFoundError{fmt.Errorf("Link not found")}
 			}
 		}
 		return nil, err
@@ -955,7 +1036,7 @@ func execGetLink(req *nl.NetlinkRequest) (Link, error) {
 
 	switch {
 	case len(msgs) == 0:
-		return nil, fmt.Errorf("Link not found")
+		return nil, LinkNotFoundError{fmt.Errorf("Link not found")}
 
 	case len(msgs) == 1:
 		return LinkDeserialize(nil, msgs[0])
@@ -1025,6 +1106,8 @@ func LinkDeserialize(hdr *syscall.NlMsghdr, m []byte) (Link, error) {
 						link = &Vti{}
 					case "vrf":
 						link = &Vrf{}
+					case "gtp":
+						link = &GTP{}
 					default:
 						link = &GenericLink{LinkType: linkType}
 					}
@@ -1054,6 +1137,10 @@ func LinkDeserialize(hdr *syscall.NlMsghdr, m []byte) (Link, error) {
 						parseVtiData(link, data)
 					case "vrf":
 						parseVrfData(link, data)
+					case "bridge":
+						parseBridgeData(link, data)
+					case "gtp":
+						parseGTPData(link, data)
 					}
 				}
 			}
@@ -1250,6 +1337,22 @@ func (h *Handle) LinkSetFlood(link Link, mode bool) error {
 	return h.setProtinfoAttr(link, mode, nl.IFLA_BRPORT_UNICAST_FLOOD)
 }
 
+func LinkSetBrProxyArp(link Link, mode bool) error {
+	return pkgHandle.LinkSetBrProxyArp(link, mode)
+}
+
+func (h *Handle) LinkSetBrProxyArp(link Link, mode bool) error {
+	return h.setProtinfoAttr(link, mode, nl.IFLA_BRPORT_PROXYARP)
+}
+
+func LinkSetBrProxyArpWiFi(link Link, mode bool) error {
+	return pkgHandle.LinkSetBrProxyArpWiFi(link, mode)
+}
+
+func (h *Handle) LinkSetBrProxyArpWiFi(link Link, mode bool) error {
+	return h.setProtinfoAttr(link, mode, nl.IFLA_BRPORT_PROXYARP_WIFI)
+}
+
 func (h *Handle) setProtinfoAttr(link Link, mode bool, attr int) error {
 	base := link.Attrs()
 	h.ensureIndex(base)
@@ -1313,6 +1416,8 @@ func parseVxlanData(link Link, data []syscall.NetlinkRouteAttr) {
 			vxlan.UDPCSum = int8(datum.Value[0]) != 0
 		case nl.IFLA_VXLAN_GBP:
 			vxlan.GBP = true
+		case nl.IFLA_VXLAN_FLOWBASED:
+			vxlan.FlowBased = int8(datum.Value[0]) != 0
 		case nl.IFLA_VXLAN_AGEING:
 			vxlan.Age = int(native.Uint32(datum.Value[0:4]))
 			vxlan.NoAge = vxlan.Age == 0
@@ -1332,7 +1437,7 @@ func parseVxlanData(link Link, data []syscall.NetlinkRouteAttr) {
 }
 
 func parseBondData(link Link, data []syscall.NetlinkRouteAttr) {
-	bond := NewLinkBond(NewLinkAttrs())
+	bond := link.(*Bond)
 	for i := range data {
 		switch data[i].Attr.Type {
 		case nl.IFLA_BOND_MODE:
@@ -1381,6 +1486,14 @@ func parseBondData(link Link, data []syscall.NetlinkRouteAttr) {
 			bond.AdSelect = BondAdSelect(data[i].Value[0])
 		case nl.IFLA_BOND_AD_INFO:
 			// TODO: implement
+		case nl.IFLA_BOND_AD_ACTOR_SYS_PRIO:
+			bond.AdActorSysPrio = int(native.Uint16(data[i].Value[0:2]))
+		case nl.IFLA_BOND_AD_USER_PORT_KEY:
+			bond.AdUserPortKey = int(native.Uint16(data[i].Value[0:2]))
+		case nl.IFLA_BOND_AD_ACTOR_SYSTEM:
+			bond.AdActorSystem = net.HardwareAddr(data[i].Value[0:6])
+		case nl.IFLA_BOND_TLB_DYNAMIC_LB:
+			bond.TlbDynamicLb = int(data[i].Value[0])
 		}
 	}
 }
@@ -1445,6 +1558,12 @@ func linkFlags(rawFlags uint32) net.Flags {
 func addGretapAttrs(gretap *Gretap, linkInfo *nl.RtAttr) {
 	data := nl.NewRtAttrChild(linkInfo, nl.IFLA_INFO_DATA, nil)
 
+	if gretap.FlowBased {
+		// In flow based mode, no other attributes need to be configured
+		nl.NewRtAttrChild(data, nl.IFLA_GRE_COLLECT_METADATA, boolAttr(gretap.FlowBased))
+		return
+	}
+
 	ip := gretap.Local.To4()
 	if ip != nil {
 		nl.NewRtAttrChild(data, nl.IFLA_GRE_LOCAL, []byte(ip))
@@ -1511,6 +1630,8 @@ func parseGretapData(link Link, data []syscall.NetlinkRouteAttr) {
 			gre.EncapType = native.Uint16(datum.Value[0:2])
 		case nl.IFLA_GRE_ENCAP_FLAGS:
 			gre.EncapFlags = native.Uint16(datum.Value[0:2])
+		case nl.IFLA_GRE_COLLECT_METADATA:
+			gre.FlowBased = int8(datum.Value[0]) != 0
 		}
 	}
 }
@@ -1528,6 +1649,8 @@ func addXdpAttrs(xdp *LinkXdp, req *nl.NetlinkRequest) {
 	b := make([]byte, 4)
 	native.PutUint32(b, uint32(xdp.Fd))
 	nl.NewRtAttrChild(attrs, nl.IFLA_XDP_FD, b)
+	native.PutUint32(b, xdp.Flags)
+	nl.NewRtAttrChild(attrs, nl.IFLA_XDP_FLAGS, b)
 	req.AddData(attrs)
 }
 
@@ -1543,6 +1666,8 @@ func parseLinkXdp(data []byte) (*LinkXdp, error) {
 			xdp.Fd = int(native.Uint32(attr.Value[0:4]))
 		case nl.IFLA_XDP_ATTACHED:
 			xdp.Attached = attr.Value[0] != 0
+		case nl.IFLA_XDP_FLAGS:
+			xdp.Flags = native.Uint32(attr.Value[0:4])
 		}
 	}
 	return xdp, nil
@@ -1640,3 +1765,53 @@ func parseVrfData(link Link, data []syscall.NetlinkRouteAttr) {
 		}
 	}
 }
+
+func addBridgeAttrs(bridge *Bridge, linkInfo *nl.RtAttr) {
+	data := nl.NewRtAttrChild(linkInfo, nl.IFLA_INFO_DATA, nil)
+	if bridge.MulticastSnooping != nil {
+		nl.NewRtAttrChild(data, nl.IFLA_BR_MCAST_SNOOPING, boolToByte(*bridge.MulticastSnooping))
+	}
+	if bridge.HelloTime != nil {
+		nl.NewRtAttrChild(data, nl.IFLA_BR_HELLO_TIME, nl.Uint32Attr(*bridge.HelloTime))
+	}
+}
+
+func parseBridgeData(bridge Link, data []syscall.NetlinkRouteAttr) {
+	br := bridge.(*Bridge)
+	for _, datum := range data {
+		switch datum.Attr.Type {
+		case nl.IFLA_BR_HELLO_TIME:
+			helloTime := native.Uint32(datum.Value[0:4])
+			br.HelloTime = &helloTime
+		case nl.IFLA_BR_MCAST_SNOOPING:
+			mcastSnooping := datum.Value[0] == 1
+			br.MulticastSnooping = &mcastSnooping
+		}
+	}
+}
+
+func addGTPAttrs(gtp *GTP, linkInfo *nl.RtAttr) {
+	data := nl.NewRtAttrChild(linkInfo, nl.IFLA_INFO_DATA, nil)
+	nl.NewRtAttrChild(data, nl.IFLA_GTP_FD0, nl.Uint32Attr(uint32(gtp.FD0)))
+	nl.NewRtAttrChild(data, nl.IFLA_GTP_FD1, nl.Uint32Attr(uint32(gtp.FD1)))
+	nl.NewRtAttrChild(data, nl.IFLA_GTP_PDP_HASHSIZE, nl.Uint32Attr(131072))
+	if gtp.Role != nl.GTP_ROLE_GGSN {
+		nl.NewRtAttrChild(data, nl.IFLA_GTP_ROLE, nl.Uint32Attr(uint32(gtp.Role)))
+	}
+}
+
+func parseGTPData(link Link, data []syscall.NetlinkRouteAttr) {
+	gtp := link.(*GTP)
+	for _, datum := range data {
+		switch datum.Attr.Type {
+		case nl.IFLA_GTP_FD0:
+			gtp.FD0 = int(native.Uint32(datum.Value))
+		case nl.IFLA_GTP_FD1:
+			gtp.FD1 = int(native.Uint32(datum.Value))
+		case nl.IFLA_GTP_PDP_HASHSIZE:
+			gtp.PDPHashsize = int(native.Uint32(datum.Value))
+		case nl.IFLA_GTP_ROLE:
+			gtp.Role = int(native.Uint32(datum.Value))
+		}
+	}
+}

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

@@ -16,7 +16,7 @@ func LinkSetMTU(link Link, mtu int) error {
 	return ErrNotImplemented
 }
 
-func LinkSetMaster(link Link, master *Link) error {
+func LinkSetMaster(link Link, master *Bridge) error {
 	return ErrNotImplemented
 }
 
@@ -64,6 +64,14 @@ func LinkSetXdpFd(link Link, fd int) error {
 	return ErrNotImplemented
 }
 
+func LinkSetARPOff(link Link) error {
+	return ErrNotImplemented
+}
+
+func LinkSetARPOn(link Link) error {
+	return ErrNotImplemented
+}
+
 func LinkByName(name string) (Link, error) {
 	return nil, ErrNotImplemented
 }

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

@@ -45,3 +45,32 @@ func (msg *IfAddrmsg) Serialize() []byte {
 func (msg *IfAddrmsg) Len() int {
 	return syscall.SizeofIfAddrmsg
 }
+
+// struct ifa_cacheinfo {
+// 	__u32	ifa_prefered;
+// 	__u32	ifa_valid;
+// 	__u32	cstamp; /* created timestamp, hundredths of seconds */
+// 	__u32	tstamp; /* updated timestamp, hundredths of seconds */
+// };
+
+const IFA_CACHEINFO = 6
+const SizeofIfaCacheInfo = 0x10
+
+type IfaCacheInfo struct {
+	IfaPrefered uint32
+	IfaValid    uint32
+	Cstamp      uint32
+	Tstamp      uint32
+}
+
+func (msg *IfaCacheInfo) Len() int {
+	return SizeofIfaCacheInfo
+}
+
+func DeserializeIfaCacheInfo(b []byte) *IfaCacheInfo {
+	return (*IfaCacheInfo)(unsafe.Pointer(&b[0:SizeofIfaCacheInfo][0]))
+}
+
+func (msg *IfaCacheInfo) Serialize() []byte {
+	return (*(*[SizeofIfaCacheInfo]byte)(unsafe.Pointer(msg)))[:]
+}

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

@@ -0,0 +1,74 @@
+package nl
+
+import (
+	"fmt"
+	"unsafe"
+)
+
+const (
+	SizeofBridgeVlanInfo = 0x04
+)
+
+/* Bridge Flags */
+const (
+	BRIDGE_FLAGS_MASTER = iota /* Bridge command to/from master */
+	BRIDGE_FLAGS_SELF          /* Bridge command to/from lowerdev */
+)
+
+/* Bridge management nested attributes
+ * [IFLA_AF_SPEC] = {
+ *     [IFLA_BRIDGE_FLAGS]
+ *     [IFLA_BRIDGE_MODE]
+ *     [IFLA_BRIDGE_VLAN_INFO]
+ * }
+ */
+const (
+	IFLA_BRIDGE_FLAGS = iota
+	IFLA_BRIDGE_MODE
+	IFLA_BRIDGE_VLAN_INFO
+)
+
+const (
+	BRIDGE_VLAN_INFO_MASTER = 1 << iota
+	BRIDGE_VLAN_INFO_PVID
+	BRIDGE_VLAN_INFO_UNTAGGED
+	BRIDGE_VLAN_INFO_RANGE_BEGIN
+	BRIDGE_VLAN_INFO_RANGE_END
+)
+
+// struct bridge_vlan_info {
+//   __u16 flags;
+//   __u16 vid;
+// };
+
+type BridgeVlanInfo struct {
+	Flags uint16
+	Vid   uint16
+}
+
+func (b *BridgeVlanInfo) Serialize() []byte {
+	return (*(*[SizeofBridgeVlanInfo]byte)(unsafe.Pointer(b)))[:]
+}
+
+func DeserializeBridgeVlanInfo(b []byte) *BridgeVlanInfo {
+	return (*BridgeVlanInfo)(unsafe.Pointer(&b[0:SizeofBridgeVlanInfo][0]))
+}
+
+func (b *BridgeVlanInfo) PortVID() bool {
+	return b.Flags&BRIDGE_VLAN_INFO_PVID > 0
+}
+
+func (b *BridgeVlanInfo) EngressUntag() bool {
+	return b.Flags&BRIDGE_VLAN_INFO_UNTAGGED > 0
+}
+
+func (b *BridgeVlanInfo) String() string {
+	return fmt.Sprintf("%+v", *b)
+}
+
+/* New extended info filters for IFLA_EXT_MASK */
+const (
+	RTEXT_FILTER_VF = 1 << iota
+	RTEXT_FILTER_BRVLAN
+	RTEXT_FILTER_BRVLAN_COMPRESSED
+)

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

@@ -0,0 +1,189 @@
+package nl
+
+import "unsafe"
+
+// Track the message sizes for the correct serialization/deserialization
+const (
+	SizeofNfgenmsg      = 4
+	SizeofNfattr        = 4
+	SizeofNfConntrack   = 376
+	SizeofNfctTupleHead = 52
+)
+
+var L4ProtoMap = map[uint8]string{
+	6:  "tcp",
+	17: "udp",
+}
+
+// All the following constants are coming from:
+// https://github.com/torvalds/linux/blob/master/include/uapi/linux/netfilter/nfnetlink_conntrack.h
+
+// enum cntl_msg_types {
+// 	IPCTNL_MSG_CT_NEW,
+// 	IPCTNL_MSG_CT_GET,
+// 	IPCTNL_MSG_CT_DELETE,
+// 	IPCTNL_MSG_CT_GET_CTRZERO,
+// 	IPCTNL_MSG_CT_GET_STATS_CPU,
+// 	IPCTNL_MSG_CT_GET_STATS,
+// 	IPCTNL_MSG_CT_GET_DYING,
+// 	IPCTNL_MSG_CT_GET_UNCONFIRMED,
+//
+// 	IPCTNL_MSG_MAX
+// };
+const (
+	IPCTNL_MSG_CT_GET    = 1
+	IPCTNL_MSG_CT_DELETE = 2
+)
+
+// #define NFNETLINK_V0	0
+const (
+	NFNETLINK_V0 = 0
+)
+
+// #define NLA_F_NESTED (1 << 15)
+const (
+	NLA_F_NESTED = (1 << 15)
+)
+
+// enum ctattr_type {
+// 	CTA_UNSPEC,
+// 	CTA_TUPLE_ORIG,
+// 	CTA_TUPLE_REPLY,
+// 	CTA_STATUS,
+// 	CTA_PROTOINFO,
+// 	CTA_HELP,
+// 	CTA_NAT_SRC,
+// #define CTA_NAT	CTA_NAT_SRC	/* backwards compatibility */
+// 	CTA_TIMEOUT,
+// 	CTA_MARK,
+// 	CTA_COUNTERS_ORIG,
+// 	CTA_COUNTERS_REPLY,
+// 	CTA_USE,
+// 	CTA_ID,
+// 	CTA_NAT_DST,
+// 	CTA_TUPLE_MASTER,
+// 	CTA_SEQ_ADJ_ORIG,
+// 	CTA_NAT_SEQ_ADJ_ORIG	= CTA_SEQ_ADJ_ORIG,
+// 	CTA_SEQ_ADJ_REPLY,
+// 	CTA_NAT_SEQ_ADJ_REPLY	= CTA_SEQ_ADJ_REPLY,
+// 	CTA_SECMARK,		/* obsolete */
+// 	CTA_ZONE,
+// 	CTA_SECCTX,
+// 	CTA_TIMESTAMP,
+// 	CTA_MARK_MASK,
+// 	CTA_LABELS,
+// 	CTA_LABELS_MASK,
+// 	__CTA_MAX
+// };
+const (
+	CTA_TUPLE_ORIG  = 1
+	CTA_TUPLE_REPLY = 2
+	CTA_STATUS      = 3
+	CTA_TIMEOUT     = 8
+	CTA_MARK        = 9
+	CTA_PROTOINFO   = 4
+)
+
+// enum ctattr_tuple {
+// 	CTA_TUPLE_UNSPEC,
+// 	CTA_TUPLE_IP,
+// 	CTA_TUPLE_PROTO,
+// 	CTA_TUPLE_ZONE,
+// 	__CTA_TUPLE_MAX
+// };
+// #define CTA_TUPLE_MAX (__CTA_TUPLE_MAX - 1)
+const (
+	CTA_TUPLE_IP    = 1
+	CTA_TUPLE_PROTO = 2
+)
+
+// enum ctattr_ip {
+// 	CTA_IP_UNSPEC,
+// 	CTA_IP_V4_SRC,
+// 	CTA_IP_V4_DST,
+// 	CTA_IP_V6_SRC,
+// 	CTA_IP_V6_DST,
+// 	__CTA_IP_MAX
+// };
+// #define CTA_IP_MAX (__CTA_IP_MAX - 1)
+const (
+	CTA_IP_V4_SRC = 1
+	CTA_IP_V4_DST = 2
+	CTA_IP_V6_SRC = 3
+	CTA_IP_V6_DST = 4
+)
+
+// enum ctattr_l4proto {
+// 	CTA_PROTO_UNSPEC,
+// 	CTA_PROTO_NUM,
+// 	CTA_PROTO_SRC_PORT,
+// 	CTA_PROTO_DST_PORT,
+// 	CTA_PROTO_ICMP_ID,
+// 	CTA_PROTO_ICMP_TYPE,
+// 	CTA_PROTO_ICMP_CODE,
+// 	CTA_PROTO_ICMPV6_ID,
+// 	CTA_PROTO_ICMPV6_TYPE,
+// 	CTA_PROTO_ICMPV6_CODE,
+// 	__CTA_PROTO_MAX
+// };
+// #define CTA_PROTO_MAX (__CTA_PROTO_MAX - 1)
+const (
+	CTA_PROTO_NUM      = 1
+	CTA_PROTO_SRC_PORT = 2
+	CTA_PROTO_DST_PORT = 3
+)
+
+// enum ctattr_protoinfo {
+// 	CTA_PROTOINFO_UNSPEC,
+// 	CTA_PROTOINFO_TCP,
+// 	CTA_PROTOINFO_DCCP,
+// 	CTA_PROTOINFO_SCTP,
+// 	__CTA_PROTOINFO_MAX
+// };
+// #define CTA_PROTOINFO_MAX (__CTA_PROTOINFO_MAX - 1)
+const (
+	CTA_PROTOINFO_TCP = 1
+)
+
+// enum ctattr_protoinfo_tcp {
+// 	CTA_PROTOINFO_TCP_UNSPEC,
+// 	CTA_PROTOINFO_TCP_STATE,
+// 	CTA_PROTOINFO_TCP_WSCALE_ORIGINAL,
+// 	CTA_PROTOINFO_TCP_WSCALE_REPLY,
+// 	CTA_PROTOINFO_TCP_FLAGS_ORIGINAL,
+// 	CTA_PROTOINFO_TCP_FLAGS_REPLY,
+// 	__CTA_PROTOINFO_TCP_MAX
+// };
+// #define CTA_PROTOINFO_TCP_MAX (__CTA_PROTOINFO_TCP_MAX - 1)
+const (
+	CTA_PROTOINFO_TCP_STATE           = 1
+	CTA_PROTOINFO_TCP_WSCALE_ORIGINAL = 2
+	CTA_PROTOINFO_TCP_WSCALE_REPLY    = 3
+	CTA_PROTOINFO_TCP_FLAGS_ORIGINAL  = 4
+	CTA_PROTOINFO_TCP_FLAGS_REPLY     = 5
+)
+
+// /* General form of address family dependent message.
+//  */
+// struct nfgenmsg {
+// 	__u8  nfgen_family;		/* AF_xxx */
+// 	__u8  version;		/* nfnetlink version */
+// 	__be16    res_id;		/* resource id */
+// };
+type Nfgenmsg struct {
+	NfgenFamily uint8
+	Version     uint8
+	ResId       uint16 // big endian
+}
+
+func (msg *Nfgenmsg) Len() int {
+	return SizeofNfgenmsg
+}
+
+func DeserializeNfgenmsg(b []byte) *Nfgenmsg {
+	return (*Nfgenmsg)(unsafe.Pointer(&b[0:SizeofNfgenmsg][0]))
+}
+
+func (msg *Nfgenmsg) Serialize() []byte {
+	return (*(*[SizeofNfgenmsg]byte)(unsafe.Pointer(msg)))[:]
+}

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

@@ -0,0 +1,89 @@
+package nl
+
+import (
+	"unsafe"
+)
+
+const SizeofGenlmsg = 4
+
+const (
+	GENL_ID_CTRL      = 0x10
+	GENL_CTRL_VERSION = 2
+	GENL_CTRL_NAME    = "nlctrl"
+)
+
+const (
+	GENL_CTRL_CMD_GETFAMILY = 3
+)
+
+const (
+	GENL_CTRL_ATTR_UNSPEC = iota
+	GENL_CTRL_ATTR_FAMILY_ID
+	GENL_CTRL_ATTR_FAMILY_NAME
+	GENL_CTRL_ATTR_VERSION
+	GENL_CTRL_ATTR_HDRSIZE
+	GENL_CTRL_ATTR_MAXATTR
+	GENL_CTRL_ATTR_OPS
+	GENL_CTRL_ATTR_MCAST_GROUPS
+)
+
+const (
+	GENL_CTRL_ATTR_OP_UNSPEC = iota
+	GENL_CTRL_ATTR_OP_ID
+	GENL_CTRL_ATTR_OP_FLAGS
+)
+
+const (
+	GENL_ADMIN_PERM = 1 << iota
+	GENL_CMD_CAP_DO
+	GENL_CMD_CAP_DUMP
+	GENL_CMD_CAP_HASPOL
+)
+
+const (
+	GENL_CTRL_ATTR_MCAST_GRP_UNSPEC = iota
+	GENL_CTRL_ATTR_MCAST_GRP_NAME
+	GENL_CTRL_ATTR_MCAST_GRP_ID
+)
+
+const (
+	GENL_GTP_VERSION = 0
+	GENL_GTP_NAME    = "gtp"
+)
+
+const (
+	GENL_GTP_CMD_NEWPDP = iota
+	GENL_GTP_CMD_DELPDP
+	GENL_GTP_CMD_GETPDP
+)
+
+const (
+	GENL_GTP_ATTR_UNSPEC = iota
+	GENL_GTP_ATTR_LINK
+	GENL_GTP_ATTR_VERSION
+	GENL_GTP_ATTR_TID
+	GENL_GTP_ATTR_PEER_ADDRESS
+	GENL_GTP_ATTR_MS_ADDRESS
+	GENL_GTP_ATTR_FLOW
+	GENL_GTP_ATTR_NET_NS_FD
+	GENL_GTP_ATTR_I_TEI
+	GENL_GTP_ATTR_O_TEI
+	GENL_GTP_ATTR_PAD
+)
+
+type Genlmsg struct {
+	Command uint8
+	Version uint8
+}
+
+func (msg *Genlmsg) Len() int {
+	return SizeofGenlmsg
+}
+
+func DeserializeGenlmsg(b []byte) *Genlmsg {
+	return (*Genlmsg)(unsafe.Pointer(&b[0:SizeofGenlmsg][0]))
+}
+
+func (msg *Genlmsg) Serialize() []byte {
+	return (*(*[SizeofGenlmsg]byte)(unsafe.Pointer(msg)))[:]
+}

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

@@ -102,7 +102,10 @@ const (
 	IFLA_BRPORT_FAST_LEAVE
 	IFLA_BRPORT_LEARNING
 	IFLA_BRPORT_UNICAST_FLOOD
-	IFLA_BRPORT_MAX = IFLA_BRPORT_UNICAST_FLOOD
+	IFLA_BRPORT_PROXYARP
+	IFLA_BRPORT_LEARNING_SYNC
+	IFLA_BRPORT_PROXYARP_WIFI
+	IFLA_BRPORT_MAX = IFLA_BRPORT_PROXYARP_WIFI
 )
 
 const (
@@ -151,6 +154,10 @@ const (
 	IFLA_BOND_AD_LACP_RATE
 	IFLA_BOND_AD_SELECT
 	IFLA_BOND_AD_INFO
+	IFLA_BOND_AD_ACTOR_SYS_PRIO
+	IFLA_BOND_AD_USER_PORT_KEY
+	IFLA_BOND_AD_ACTOR_SYSTEM
+	IFLA_BOND_TLB_DYNAMIC_LB
 )
 
 const (
@@ -416,7 +423,8 @@ const (
 	IFLA_XDP_UNSPEC   = iota
 	IFLA_XDP_FD       /* fd of xdp program to attach, or -1 to remove */
 	IFLA_XDP_ATTACHED /* read-only bool indicating if prog is attached */
-	IFLA_XDP_MAX      = IFLA_XDP_ATTACHED
+	IFLA_XDP_FLAGS    /* xdp prog related flags */
+	IFLA_XDP_MAX      = IFLA_XDP_FLAGS
 )
 
 const (
@@ -452,3 +460,65 @@ const (
 	IFLA_VRF_UNSPEC = iota
 	IFLA_VRF_TABLE
 )
+
+const (
+	IFLA_BR_UNSPEC = iota
+	IFLA_BR_FORWARD_DELAY
+	IFLA_BR_HELLO_TIME
+	IFLA_BR_MAX_AGE
+	IFLA_BR_AGEING_TIME
+	IFLA_BR_STP_STATE
+	IFLA_BR_PRIORITY
+	IFLA_BR_VLAN_FILTERING
+	IFLA_BR_VLAN_PROTOCOL
+	IFLA_BR_GROUP_FWD_MASK
+	IFLA_BR_ROOT_ID
+	IFLA_BR_BRIDGE_ID
+	IFLA_BR_ROOT_PORT
+	IFLA_BR_ROOT_PATH_COST
+	IFLA_BR_TOPOLOGY_CHANGE
+	IFLA_BR_TOPOLOGY_CHANGE_DETECTED
+	IFLA_BR_HELLO_TIMER
+	IFLA_BR_TCN_TIMER
+	IFLA_BR_TOPOLOGY_CHANGE_TIMER
+	IFLA_BR_GC_TIMER
+	IFLA_BR_GROUP_ADDR
+	IFLA_BR_FDB_FLUSH
+	IFLA_BR_MCAST_ROUTER
+	IFLA_BR_MCAST_SNOOPING
+	IFLA_BR_MCAST_QUERY_USE_IFADDR
+	IFLA_BR_MCAST_QUERIER
+	IFLA_BR_MCAST_HASH_ELASTICITY
+	IFLA_BR_MCAST_HASH_MAX
+	IFLA_BR_MCAST_LAST_MEMBER_CNT
+	IFLA_BR_MCAST_STARTUP_QUERY_CNT
+	IFLA_BR_MCAST_LAST_MEMBER_INTVL
+	IFLA_BR_MCAST_MEMBERSHIP_INTVL
+	IFLA_BR_MCAST_QUERIER_INTVL
+	IFLA_BR_MCAST_QUERY_INTVL
+	IFLA_BR_MCAST_QUERY_RESPONSE_INTVL
+	IFLA_BR_MCAST_STARTUP_QUERY_INTVL
+	IFLA_BR_NF_CALL_IPTABLES
+	IFLA_BR_NF_CALL_IP6TABLES
+	IFLA_BR_NF_CALL_ARPTABLES
+	IFLA_BR_VLAN_DEFAULT_PVID
+	IFLA_BR_PAD
+	IFLA_BR_VLAN_STATS_ENABLED
+	IFLA_BR_MCAST_STATS_ENABLED
+	IFLA_BR_MCAST_IGMP_VERSION
+	IFLA_BR_MCAST_MLD_VERSION
+	IFLA_BR_MAX = IFLA_BR_MCAST_MLD_VERSION
+)
+
+const (
+	IFLA_GTP_UNSPEC = iota
+	IFLA_GTP_FD0
+	IFLA_GTP_FD1
+	IFLA_GTP_PDP_HASHSIZE
+	IFLA_GTP_ROLE
+)
+
+const (
+	GTP_ROLE_GGSN = iota
+	GTP_ROLE_SGSN
+)

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

@@ -24,7 +24,7 @@ const (
 )
 
 // SupportedNlFamilies contains the list of netlink families this netlink package supports
-var SupportedNlFamilies = []int{syscall.NETLINK_ROUTE, syscall.NETLINK_XFRM}
+var SupportedNlFamilies = []int{syscall.NETLINK_ROUTE, syscall.NETLINK_XFRM, syscall.NETLINK_NETFILTER}
 
 var nextSeqNr uint32
 
@@ -321,6 +321,7 @@ func (a *RtAttr) Serialize() []byte {
 type NetlinkRequest struct {
 	syscall.NlMsghdr
 	Data    []NetlinkRequestData
+	RawData []byte
 	Sockets map[int]*SocketHandle
 }
 
@@ -332,6 +333,8 @@ func (req *NetlinkRequest) Serialize() []byte {
 		dataBytes[i] = data.Serialize()
 		length = length + len(dataBytes[i])
 	}
+	length += len(req.RawData)
+
 	req.Len = uint32(length)
 	b := make([]byte, length)
 	hdr := (*(*[syscall.SizeofNlMsghdr]byte)(unsafe.Pointer(req)))[:]
@@ -343,6 +346,10 @@ func (req *NetlinkRequest) Serialize() []byte {
 			next = next + 1
 		}
 	}
+	// Add the raw data if any
+	if len(req.RawData) > 0 {
+		copy(b[next:length], req.RawData)
+	}
 	return b
 }
 
@@ -352,6 +359,13 @@ func (req *NetlinkRequest) AddData(data NetlinkRequestData) {
 	}
 }
 
+// AddRawData adds raw bytes to the end of the NetlinkRequest object during serialization
+func (req *NetlinkRequest) AddRawData(data []byte) {
+	if data != nil {
+		req.RawData = append(req.RawData, data...)
+	}
+}
+
 // Execute the request against a the given sockType.
 // Returns a list of netlink messages in serialized format, optionally filtered
 // by resType.
@@ -445,18 +459,18 @@ func NewNetlinkRequest(proto, flags int) *NetlinkRequest {
 }
 
 type NetlinkSocket struct {
-	fd  int
+	fd  int32
 	lsa syscall.SockaddrNetlink
 	sync.Mutex
 }
 
 func getNetlinkSocket(protocol int) (*NetlinkSocket, error) {
-	fd, err := syscall.Socket(syscall.AF_NETLINK, syscall.SOCK_RAW, protocol)
+	fd, err := syscall.Socket(syscall.AF_NETLINK, syscall.SOCK_RAW|syscall.SOCK_CLOEXEC, protocol)
 	if err != nil {
 		return nil, err
 	}
 	s := &NetlinkSocket{
-		fd: fd,
+		fd: int32(fd),
 	}
 	s.lsa.Family = syscall.AF_NETLINK
 	if err := syscall.Bind(fd, &s.lsa); err != nil {
@@ -542,7 +556,7 @@ func Subscribe(protocol int, groups ...uint) (*NetlinkSocket, error) {
 		return nil, err
 	}
 	s := &NetlinkSocket{
-		fd: fd,
+		fd: int32(fd),
 	}
 	s.lsa.Family = syscall.AF_NETLINK
 
@@ -571,30 +585,32 @@ func SubscribeAt(newNs, curNs netns.NsHandle, protocol int, groups ...uint) (*Ne
 }
 
 func (s *NetlinkSocket) Close() {
-	syscall.Close(s.fd)
+	fd := int(atomic.SwapInt32(&s.fd, -1))
-	s.fd = -1
+	syscall.Close(fd)
 }
 
 func (s *NetlinkSocket) GetFd() int {
-	return s.fd
+	return int(atomic.LoadInt32(&s.fd))
 }
 
 func (s *NetlinkSocket) Send(request *NetlinkRequest) error {
-	if s.fd < 0 {
+	fd := int(atomic.LoadInt32(&s.fd))
+	if fd < 0 {
 		return fmt.Errorf("Send called on a closed socket")
 	}
-	if err := syscall.Sendto(s.fd, request.Serialize(), 0, &s.lsa); err != nil {
+	if err := syscall.Sendto(fd, request.Serialize(), 0, &s.lsa); err != nil {
 		return err
 	}
 	return nil
 }
 
 func (s *NetlinkSocket) Receive() ([]syscall.NetlinkMessage, error) {
-	if s.fd < 0 {
+	fd := int(atomic.LoadInt32(&s.fd))
+	if fd < 0 {
 		return nil, fmt.Errorf("Receive called on a closed socket")
 	}
 	rb := make([]byte, syscall.Getpagesize())
-	nr, _, err := syscall.Recvfrom(s.fd, rb, 0)
+	nr, _, err := syscall.Recvfrom(fd, rb, 0)
 	if err != nil {
 		return nil, err
 	}
@@ -606,7 +622,8 @@ func (s *NetlinkSocket) Receive() ([]syscall.NetlinkMessage, error) {
 }
 
 func (s *NetlinkSocket) GetPid() (uint32, error) {
-	lsa, err := syscall.Getsockname(s.fd)
+	fd := int(atomic.LoadInt32(&s.fd))
+	lsa, err := syscall.Getsockname(fd)
 	if err != nil {
 		return 0, err
 	}

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

@@ -6,12 +6,14 @@ import (
 
 // Protinfo represents bridge flags from netlink.
 type Protinfo struct {
-	Hairpin   bool
+	Hairpin      bool
-	Guard     bool
+	Guard        bool
-	FastLeave bool
+	FastLeave    bool
-	RootBlock bool
+	RootBlock    bool
-	Learning  bool
+	Learning     bool
-	Flood     bool
+	Flood        bool
+	ProxyArp     bool
+	ProxyArpWiFi bool
 }
 
 // String returns a list of enabled flags
@@ -35,6 +37,12 @@ func (prot *Protinfo) String() string {
 	if prot.Flood {
 		boolStrings = append(boolStrings, "Flood")
 	}
+	if prot.ProxyArp {
+		boolStrings = append(boolStrings, "ProxyArp")
+	}
+	if prot.ProxyArpWiFi {
+		boolStrings = append(boolStrings, "ProxyArpWiFi")
+	}
 	return strings.Join(boolStrings, " ")
 }
 

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

@@ -64,6 +64,10 @@ func parseProtinfo(infos []syscall.NetlinkRouteAttr) *Protinfo {
 			pi.Learning = byteToBool(info.Value[0])
 		case nl.IFLA_BRPORT_UNICAST_FLOOD:
 			pi.Flood = byteToBool(info.Value[0])
+		case nl.IFLA_BRPORT_PROXYARP:
+			pi.ProxyArp = byteToBool(info.Value[0])
+		case nl.IFLA_BRPORT_PROXYARP_WIFI:
+			pi.ProxyArpWiFi = byteToBool(info.Value[0])
 		}
 	}
 	return &pi

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

@@ -401,7 +401,7 @@ func (h *Handle) RouteListFiltered(family int, filter *Route, filterMask uint64)
 		}
 		if filter != nil {
 			switch {
-			case filterMask&RT_FILTER_TABLE != 0 && route.Table != filter.Table:
+			case filterMask&RT_FILTER_TABLE != 0 && filter.Table != syscall.RT_TABLE_UNSPEC && route.Table != filter.Table:
 				continue
 			case filterMask&RT_FILTER_PROTOCOL != 0 && route.Protocol != filter.Protocol:
 				continue

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

@@ -37,6 +37,7 @@ 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/netns.go

@@ -19,7 +19,7 @@ type NsHandle int
 
 // Equal determines if two network handles refer to the same network
 // namespace. This is done by comparing the device and inode that the
-// file descripors point to.
+// file descriptors point to.
 func (ns NsHandle) Equal(other NsHandle) bool {
 	if ns == other {
 		return true

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

@@ -19,6 +19,8 @@ var SYS_SETNS = map[string]uintptr{
 	"amd64":   308,
 	"arm64":   268,
 	"arm":     375,
+	"mips":    4344,
+	"mipsle":  4344,
 	"ppc64":   350,
 	"ppc64le": 350,
 	"s390x":   339,

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

@@ -22,6 +22,10 @@ func Get() (NsHandle, error) {
 	return -1, ErrNotImplemented
 }
 
+func GetFromPath(path string) (NsHandle, error) {
+	return -1, ErrNotImplemented
+}
+
 func GetFromName(name string) (NsHandle, error) {
 	return -1, ErrNotImplemented
 }
@@ -30,6 +34,10 @@ func GetFromPid(pid int) (NsHandle, error) {
 	return -1, ErrNotImplemented
 }
 
+func GetFromThread(pid, tid int) (NsHandle, error) {
+	return -1, ErrNotImplemented
+}
+
 func GetFromDocker(id string) (NsHandle, error) {
 	return -1, ErrNotImplemented
 }