migrate to upstream libcompose in one and a half go

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

@@ -47,7 +47,15 @@ const (
 	IFLA_VXLAN_PORT
 	IFLA_VXLAN_GROUP6
 	IFLA_VXLAN_LOCAL6
-	IFLA_VXLAN_MAX = IFLA_VXLAN_LOCAL6
+	IFLA_VXLAN_UDP_CSUM
+	IFLA_VXLAN_UDP_ZERO_CSUM6_TX
+	IFLA_VXLAN_UDP_ZERO_CSUM6_RX
+	IFLA_VXLAN_REMCSUM_TX
+	IFLA_VXLAN_REMCSUM_RX
+	IFLA_VXLAN_GBP
+	IFLA_VXLAN_REMCSUM_NOPARTIAL
+	IFLA_VXLAN_FLOWBASED
+	IFLA_VXLAN_MAX = IFLA_VXLAN_FLOWBASED
 )
 
 const (

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

@@ -39,8 +39,9 @@ func NativeEndian() binary.ByteOrder {
 		var x uint32 = 0x01020304
 		if *(*byte)(unsafe.Pointer(&x)) == 0x01 {
 			nativeEndian = binary.BigEndian
+		} else {
+			nativeEndian = binary.LittleEndian
 		}
-		nativeEndian = binary.LittleEndian
 	}
 	return nativeEndian
 }
@@ -141,17 +142,19 @@ func (a *RtAttr) Len() int {
 }
 
 // Serialize the RtAttr into a byte array
-// This can't ust unsafe.cast because it must iterate through children.
+// This can't just unsafe.cast because it must iterate through children.
 func (a *RtAttr) Serialize() []byte {
 	native := NativeEndian()
 
 	length := a.Len()
 	buf := make([]byte, rtaAlignOf(length))
 
+	next := 4
 	if a.Data != nil {
-		copy(buf[4:], a.Data)
-	} else {
-		next := 4
+		copy(buf[next:], a.Data)
+		next += rtaAlignOf(len(a.Data))
+	}
+	if len(a.children) > 0 {
 		for _, child := range a.children {
 			childBuf := child.Serialize()
 			copy(buf[next:], childBuf)
@@ -172,16 +175,16 @@ type NetlinkRequest struct {
 }
 
 // Serialize the Netlink Request into a byte array
-func (msg *NetlinkRequest) Serialize() []byte {
+func (req *NetlinkRequest) Serialize() []byte {
 	length := syscall.SizeofNlMsghdr
-	dataBytes := make([][]byte, len(msg.Data))
-	for i, data := range msg.Data {
+	dataBytes := make([][]byte, len(req.Data))
+	for i, data := range req.Data {
 		dataBytes[i] = data.Serialize()
 		length = length + len(dataBytes[i])
 	}
-	msg.Len = uint32(length)
+	req.Len = uint32(length)
 	b := make([]byte, length)
-	hdr := (*(*[syscall.SizeofNlMsghdr]byte)(unsafe.Pointer(msg)))[:]
+	hdr := (*(*[syscall.SizeofNlMsghdr]byte)(unsafe.Pointer(req)))[:]
 	next := syscall.SizeofNlMsghdr
 	copy(b[0:next], hdr)
 	for _, data := range dataBytes {
@@ -193,9 +196,9 @@ func (msg *NetlinkRequest) Serialize() []byte {
 	return b
 }
 
-func (msg *NetlinkRequest) AddData(data NetlinkRequestData) {
+func (req *NetlinkRequest) AddData(data NetlinkRequestData) {
 	if data != nil {
-		msg.Data = append(msg.Data, data)
+		req.Data = append(req.Data, data)
 	}
 }
 
@@ -218,11 +221,11 @@ func (req *NetlinkRequest) Execute(sockType int, resType uint16) ([][]byte, erro
 		return nil, err
 	}
 
-	res := make([][]byte, 0)
+	var res [][]byte
 
 done:
 	for {
-		msgs, err := s.Recieve()
+		msgs, err := s.Receive()
 		if err != nil {
 			return nil, err
 		}
@@ -294,7 +297,7 @@ func getNetlinkSocket(protocol int) (*NetlinkSocket, error) {
 
 // Create a netlink socket with a given protocol (e.g. NETLINK_ROUTE)
 // and subscribe it to multicast groups passed in variable argument list.
-// Returns the netlink socket on whic hReceive() method can be called
+// Returns the netlink socket on which Receive() method can be called
 // to retrieve the messages from the kernel.
 func Subscribe(protocol int, groups ...uint) (*NetlinkSocket, error) {
 	fd, err := syscall.Socket(syscall.AF_NETLINK, syscall.SOCK_RAW, protocol)
@@ -322,6 +325,10 @@ func (s *NetlinkSocket) Close() {
 	syscall.Close(s.fd)
 }
 
+func (s *NetlinkSocket) GetFd() int {
+	return s.fd
+}
+
 func (s *NetlinkSocket) Send(request *NetlinkRequest) error {
 	if err := syscall.Sendto(s.fd, request.Serialize(), 0, &s.lsa); err != nil {
 		return err
@@ -329,7 +336,7 @@ func (s *NetlinkSocket) Send(request *NetlinkRequest) error {
 	return nil
 }
 
-func (s *NetlinkSocket) Recieve() ([]syscall.NetlinkMessage, error) {
+func (s *NetlinkSocket) Receive() ([]syscall.NetlinkMessage, error) {
 	rb := make([]byte, syscall.Getpagesize())
 	nr, _, err := syscall.Recvfrom(s.fd, rb, 0)
 	if err != nil {

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

@@ -20,6 +20,15 @@ func NewRtMsg() *RtMsg {
 	}
 }
 
+func NewRtDelMsg() *RtMsg {
+	return &RtMsg{
+		RtMsg: syscall.RtMsg{
+			Table: syscall.RT_TABLE_MAIN,
+			Scope: syscall.RT_SCOPE_NOWHERE,
+		},
+	}
+}
+
 func (msg *RtMsg) Len() int {
 	return syscall.SizeofRtMsg
 }

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

@@ -0,0 +1,627 @@
+package nl
+
+import (
+	"unsafe"
+)
+
+// LinkLayer
+const (
+	LINKLAYER_UNSPEC = iota
+	LINKLAYER_ETHERNET
+	LINKLAYER_ATM
+)
+
+// ATM
+const (
+	ATM_CELL_PAYLOAD = 48
+	ATM_CELL_SIZE    = 53
+)
+
+const TC_LINKLAYER_MASK = 0x0F
+
+// Police
+const (
+	TCA_POLICE_UNSPEC = iota
+	TCA_POLICE_TBF
+	TCA_POLICE_RATE
+	TCA_POLICE_PEAKRATE
+	TCA_POLICE_AVRATE
+	TCA_POLICE_RESULT
+	TCA_POLICE_MAX = TCA_POLICE_RESULT
+)
+
+// Message types
+const (
+	TCA_UNSPEC = iota
+	TCA_KIND
+	TCA_OPTIONS
+	TCA_STATS
+	TCA_XSTATS
+	TCA_RATE
+	TCA_FCNT
+	TCA_STATS2
+	TCA_STAB
+	TCA_MAX = TCA_STAB
+)
+
+const (
+	TCA_ACT_TAB = 1
+	TCAA_MAX    = 1
+)
+
+const (
+	TCA_PRIO_UNSPEC = iota
+	TCA_PRIO_MQ
+	TCA_PRIO_MAX = TCA_PRIO_MQ
+)
+
+const (
+	SizeofTcMsg          = 0x14
+	SizeofTcActionMsg    = 0x04
+	SizeofTcPrioMap      = 0x14
+	SizeofTcRateSpec     = 0x0c
+	SizeofTcNetemQopt    = 0x18
+	SizeofTcNetemCorr    = 0x0c
+	SizeofTcNetemReorder = 0x08
+	SizeofTcNetemCorrupt = 0x08
+	SizeofTcTbfQopt      = 2*SizeofTcRateSpec + 0x0c
+	SizeofTcHtbCopt      = 2*SizeofTcRateSpec + 0x14
+	SizeofTcHtbGlob      = 0x14
+	SizeofTcU32Key       = 0x10
+	SizeofTcU32Sel       = 0x10 // without keys
+	SizeofTcMirred       = 0x1c
+	SizeofTcPolice       = 2*SizeofTcRateSpec + 0x20
+)
+
+// struct tcmsg {
+//   unsigned char tcm_family;
+//   unsigned char tcm__pad1;
+//   unsigned short  tcm__pad2;
+//   int   tcm_ifindex;
+//   __u32   tcm_handle;
+//   __u32   tcm_parent;
+//   __u32   tcm_info;
+// };
+
+type TcMsg struct {
+	Family  uint8
+	Pad     [3]byte
+	Ifindex int32
+	Handle  uint32
+	Parent  uint32
+	Info    uint32
+}
+
+func (msg *TcMsg) Len() int {
+	return SizeofTcMsg
+}
+
+func DeserializeTcMsg(b []byte) *TcMsg {
+	return (*TcMsg)(unsafe.Pointer(&b[0:SizeofTcMsg][0]))
+}
+
+func (x *TcMsg) Serialize() []byte {
+	return (*(*[SizeofTcMsg]byte)(unsafe.Pointer(x)))[:]
+}
+
+// struct tcamsg {
+//   unsigned char tca_family;
+//   unsigned char tca__pad1;
+//   unsigned short  tca__pad2;
+// };
+
+type TcActionMsg struct {
+	Family uint8
+	Pad    [3]byte
+}
+
+func (msg *TcActionMsg) Len() int {
+	return SizeofTcActionMsg
+}
+
+func DeserializeTcActionMsg(b []byte) *TcActionMsg {
+	return (*TcActionMsg)(unsafe.Pointer(&b[0:SizeofTcActionMsg][0]))
+}
+
+func (x *TcActionMsg) Serialize() []byte {
+	return (*(*[SizeofTcActionMsg]byte)(unsafe.Pointer(x)))[:]
+}
+
+const (
+	TC_PRIO_MAX = 15
+)
+
+// struct tc_prio_qopt {
+// 	int bands;      /* Number of bands */
+// 	__u8  priomap[TC_PRIO_MAX+1]; /* Map: logical priority -> PRIO band */
+// };
+
+type TcPrioMap struct {
+	Bands   int32
+	Priomap [TC_PRIO_MAX + 1]uint8
+}
+
+func (msg *TcPrioMap) Len() int {
+	return SizeofTcPrioMap
+}
+
+func DeserializeTcPrioMap(b []byte) *TcPrioMap {
+	return (*TcPrioMap)(unsafe.Pointer(&b[0:SizeofTcPrioMap][0]))
+}
+
+func (x *TcPrioMap) Serialize() []byte {
+	return (*(*[SizeofTcPrioMap]byte)(unsafe.Pointer(x)))[:]
+}
+
+const (
+	TCA_TBF_UNSPEC = iota
+	TCA_TBF_PARMS
+	TCA_TBF_RTAB
+	TCA_TBF_PTAB
+	TCA_TBF_RATE64
+	TCA_TBF_PRATE64
+	TCA_TBF_BURST
+	TCA_TBF_PBURST
+	TCA_TBF_MAX = TCA_TBF_PBURST
+)
+
+// struct tc_ratespec {
+//   unsigned char cell_log;
+//   __u8    linklayer; /* lower 4 bits */
+//   unsigned short  overhead;
+//   short   cell_align;
+//   unsigned short  mpu;
+//   __u32   rate;
+// };
+
+type TcRateSpec struct {
+	CellLog   uint8
+	Linklayer uint8
+	Overhead  uint16
+	CellAlign int16
+	Mpu       uint16
+	Rate      uint32
+}
+
+func (msg *TcRateSpec) Len() int {
+	return SizeofTcRateSpec
+}
+
+func DeserializeTcRateSpec(b []byte) *TcRateSpec {
+	return (*TcRateSpec)(unsafe.Pointer(&b[0:SizeofTcRateSpec][0]))
+}
+
+func (x *TcRateSpec) Serialize() []byte {
+	return (*(*[SizeofTcRateSpec]byte)(unsafe.Pointer(x)))[:]
+}
+
+/**
+* NETEM
+ */
+
+const (
+	TCA_NETEM_UNSPEC = iota
+	TCA_NETEM_CORR
+	TCA_NETEM_DELAY_DIST
+	TCA_NETEM_REORDER
+	TCA_NETEM_CORRUPT
+	TCA_NETEM_LOSS
+	TCA_NETEM_RATE
+	TCA_NETEM_ECN
+	TCA_NETEM_RATE64
+	TCA_NETEM_MAX = TCA_NETEM_RATE64
+)
+
+// struct tc_netem_qopt {
+//	__u32	latency;	/* added delay (us) */
+//	__u32   limit;		/* fifo limit (packets) */
+//	__u32	loss;		/* random packet loss (0=none ~0=100%) */
+//	__u32	gap;		/* re-ordering gap (0 for none) */
+//	__u32   duplicate;	/* random packet dup  (0=none ~0=100%) */
+// 	__u32	jitter;		/* random jitter in latency (us) */
+// };
+
+type TcNetemQopt struct {
+	Latency   uint32
+	Limit     uint32
+	Loss      uint32
+	Gap       uint32
+	Duplicate uint32
+	Jitter    uint32
+}
+
+func (msg *TcNetemQopt) Len() int {
+	return SizeofTcNetemQopt
+}
+
+func DeserializeTcNetemQopt(b []byte) *TcNetemQopt {
+	return (*TcNetemQopt)(unsafe.Pointer(&b[0:SizeofTcNetemQopt][0]))
+}
+
+func (x *TcNetemQopt) Serialize() []byte {
+	return (*(*[SizeofTcNetemQopt]byte)(unsafe.Pointer(x)))[:]
+}
+
+// struct tc_netem_corr {
+//  __u32   delay_corr; /* delay correlation */
+//  __u32   loss_corr;  /* packet loss correlation */
+//  __u32   dup_corr;   /* duplicate correlation  */
+// };
+
+type TcNetemCorr struct {
+	DelayCorr uint32
+	LossCorr  uint32
+	DupCorr   uint32
+}
+
+func (msg *TcNetemCorr) Len() int {
+	return SizeofTcNetemCorr
+}
+
+func DeserializeTcNetemCorr(b []byte) *TcNetemCorr {
+	return (*TcNetemCorr)(unsafe.Pointer(&b[0:SizeofTcNetemCorr][0]))
+}
+
+func (x *TcNetemCorr) Serialize() []byte {
+	return (*(*[SizeofTcNetemCorr]byte)(unsafe.Pointer(x)))[:]
+}
+
+// struct tc_netem_reorder {
+//  __u32   probability;
+//  __u32   correlation;
+// };
+
+type TcNetemReorder struct {
+	Probability uint32
+	Correlation uint32
+}
+
+func (msg *TcNetemReorder) Len() int {
+	return SizeofTcNetemReorder
+}
+
+func DeserializeTcNetemReorder(b []byte) *TcNetemReorder {
+	return (*TcNetemReorder)(unsafe.Pointer(&b[0:SizeofTcNetemReorder][0]))
+}
+
+func (x *TcNetemReorder) Serialize() []byte {
+	return (*(*[SizeofTcNetemReorder]byte)(unsafe.Pointer(x)))[:]
+}
+
+// struct tc_netem_corrupt {
+//  __u32   probability;
+//  __u32   correlation;
+// };
+
+type TcNetemCorrupt struct {
+	Probability uint32
+	Correlation uint32
+}
+
+func (msg *TcNetemCorrupt) Len() int {
+	return SizeofTcNetemCorrupt
+}
+
+func DeserializeTcNetemCorrupt(b []byte) *TcNetemCorrupt {
+	return (*TcNetemCorrupt)(unsafe.Pointer(&b[0:SizeofTcNetemCorrupt][0]))
+}
+
+func (x *TcNetemCorrupt) Serialize() []byte {
+	return (*(*[SizeofTcNetemCorrupt]byte)(unsafe.Pointer(x)))[:]
+}
+
+// struct tc_tbf_qopt {
+//   struct tc_ratespec rate;
+//   struct tc_ratespec peakrate;
+//   __u32   limit;
+//   __u32   buffer;
+//   __u32   mtu;
+// };
+
+type TcTbfQopt struct {
+	Rate     TcRateSpec
+	Peakrate TcRateSpec
+	Limit    uint32
+	Buffer   uint32
+	Mtu      uint32
+}
+
+func (msg *TcTbfQopt) Len() int {
+	return SizeofTcTbfQopt
+}
+
+func DeserializeTcTbfQopt(b []byte) *TcTbfQopt {
+	return (*TcTbfQopt)(unsafe.Pointer(&b[0:SizeofTcTbfQopt][0]))
+}
+
+func (x *TcTbfQopt) Serialize() []byte {
+	return (*(*[SizeofTcTbfQopt]byte)(unsafe.Pointer(x)))[:]
+}
+
+const (
+	TCA_HTB_UNSPEC = iota
+	TCA_HTB_PARMS
+	TCA_HTB_INIT
+	TCA_HTB_CTAB
+	TCA_HTB_RTAB
+	TCA_HTB_DIRECT_QLEN
+	TCA_HTB_RATE64
+	TCA_HTB_CEIL64
+	TCA_HTB_MAX = TCA_HTB_CEIL64
+)
+
+//struct tc_htb_opt {
+//	struct tc_ratespec	rate;
+//	struct tc_ratespec	ceil;
+//	__u32	buffer;
+//	__u32	cbuffer;
+//	__u32	quantum;
+//	__u32	level;		/* out only */
+//	__u32	prio;
+//};
+
+type TcHtbCopt struct {
+	Rate    TcRateSpec
+	Ceil    TcRateSpec
+	Buffer  uint32
+	Cbuffer uint32
+	Quantum uint32
+	Level   uint32
+	Prio    uint32
+}
+
+func (msg *TcHtbCopt) Len() int {
+	return SizeofTcHtbCopt
+}
+
+func DeserializeTcHtbCopt(b []byte) *TcHtbCopt {
+	return (*TcHtbCopt)(unsafe.Pointer(&b[0:SizeofTcHtbCopt][0]))
+}
+
+func (x *TcHtbCopt) Serialize() []byte {
+	return (*(*[SizeofTcHtbCopt]byte)(unsafe.Pointer(x)))[:]
+}
+
+type TcHtbGlob struct {
+	Version      uint32
+	Rate2Quantum uint32
+	Defcls       uint32
+	Debug        uint32
+	DirectPkts   uint32
+}
+
+func (msg *TcHtbGlob) Len() int {
+	return SizeofTcHtbGlob
+}
+
+func DeserializeTcHtbGlob(b []byte) *TcHtbGlob {
+	return (*TcHtbGlob)(unsafe.Pointer(&b[0:SizeofTcHtbGlob][0]))
+}
+
+func (x *TcHtbGlob) Serialize() []byte {
+	return (*(*[SizeofTcHtbGlob]byte)(unsafe.Pointer(x)))[:]
+}
+
+const (
+	TCA_U32_UNSPEC = iota
+	TCA_U32_CLASSID
+	TCA_U32_HASH
+	TCA_U32_LINK
+	TCA_U32_DIVISOR
+	TCA_U32_SEL
+	TCA_U32_POLICE
+	TCA_U32_ACT
+	TCA_U32_INDEV
+	TCA_U32_PCNT
+	TCA_U32_MARK
+	TCA_U32_MAX = TCA_U32_MARK
+)
+
+// struct tc_u32_key {
+//   __be32    mask;
+//   __be32    val;
+//   int   off;
+//   int   offmask;
+// };
+
+type TcU32Key struct {
+	Mask    uint32 // big endian
+	Val     uint32 // big endian
+	Off     int32
+	OffMask int32
+}
+
+func (msg *TcU32Key) Len() int {
+	return SizeofTcU32Key
+}
+
+func DeserializeTcU32Key(b []byte) *TcU32Key {
+	return (*TcU32Key)(unsafe.Pointer(&b[0:SizeofTcU32Key][0]))
+}
+
+func (x *TcU32Key) Serialize() []byte {
+	return (*(*[SizeofTcU32Key]byte)(unsafe.Pointer(x)))[:]
+}
+
+// struct tc_u32_sel {
+//   unsigned char   flags;
+//   unsigned char   offshift;
+//   unsigned char   nkeys;
+//
+//   __be16      offmask;
+//   __u16     off;
+//   short     offoff;
+//
+//   short     hoff;
+//   __be32      hmask;
+//   struct tc_u32_key keys[0];
+// };
+
+const (
+	TC_U32_TERMINAL  = 1 << iota
+	TC_U32_OFFSET    = 1 << iota
+	TC_U32_VAROFFSET = 1 << iota
+	TC_U32_EAT       = 1 << iota
+)
+
+type TcU32Sel struct {
+	Flags    uint8
+	Offshift uint8
+	Nkeys    uint8
+	Pad      uint8
+	Offmask  uint16 // big endian
+	Off      uint16
+	Offoff   int16
+	Hoff     int16
+	Hmask    uint32 // big endian
+	Keys     []TcU32Key
+}
+
+func (msg *TcU32Sel) Len() int {
+	return SizeofTcU32Sel + int(msg.Nkeys)*SizeofTcU32Key
+}
+
+func DeserializeTcU32Sel(b []byte) *TcU32Sel {
+	x := &TcU32Sel{}
+	copy((*(*[SizeofTcU32Sel]byte)(unsafe.Pointer(x)))[:], b)
+	next := SizeofTcU32Sel
+	var i uint8
+	for i = 0; i < x.Nkeys; i++ {
+		x.Keys = append(x.Keys, *DeserializeTcU32Key(b[next:]))
+		next += SizeofTcU32Key
+	}
+	return x
+}
+
+func (x *TcU32Sel) Serialize() []byte {
+	// This can't just unsafe.cast because it must iterate through keys.
+	buf := make([]byte, x.Len())
+	copy(buf, (*(*[SizeofTcU32Sel]byte)(unsafe.Pointer(x)))[:])
+	next := SizeofTcU32Sel
+	for _, key := range x.Keys {
+		keyBuf := key.Serialize()
+		copy(buf[next:], keyBuf)
+		next += SizeofTcU32Key
+	}
+	return buf
+}
+
+const (
+	TCA_ACT_MIRRED = 8
+)
+
+const (
+	TCA_MIRRED_UNSPEC = iota
+	TCA_MIRRED_TM
+	TCA_MIRRED_PARMS
+	TCA_MIRRED_MAX = TCA_MIRRED_PARMS
+)
+
+const (
+	TCA_EGRESS_REDIR   = 1 /* packet redirect to EGRESS*/
+	TCA_EGRESS_MIRROR  = 2 /* mirror packet to EGRESS */
+	TCA_INGRESS_REDIR  = 3 /* packet redirect to INGRESS*/
+	TCA_INGRESS_MIRROR = 4 /* mirror packet to INGRESS */
+)
+
+const (
+	TC_ACT_UNSPEC     = int32(-1)
+	TC_ACT_OK         = 0
+	TC_ACT_RECLASSIFY = 1
+	TC_ACT_SHOT       = 2
+	TC_ACT_PIPE       = 3
+	TC_ACT_STOLEN     = 4
+	TC_ACT_QUEUED     = 5
+	TC_ACT_REPEAT     = 6
+	TC_ACT_JUMP       = 0x10000000
+)
+
+// #define tc_gen \
+//   __u32                 index; \
+//   __u32                 capab; \
+//   int                   action; \
+//   int                   refcnt; \
+//   int                   bindcnt
+// struct tc_mirred {
+// 	tc_gen;
+// 	int                     eaction;   /* one of IN/EGRESS_MIRROR/REDIR */
+// 	__u32                   ifindex;  /* ifindex of egress port */
+// };
+
+type TcMirred struct {
+	Index   uint32
+	Capab   uint32
+	Action  int32
+	Refcnt  int32
+	Bindcnt int32
+	Eaction int32
+	Ifindex uint32
+}
+
+func (msg *TcMirred) Len() int {
+	return SizeofTcMirred
+}
+
+func DeserializeTcMirred(b []byte) *TcMirred {
+	return (*TcMirred)(unsafe.Pointer(&b[0:SizeofTcMirred][0]))
+}
+
+func (x *TcMirred) Serialize() []byte {
+	return (*(*[SizeofTcMirred]byte)(unsafe.Pointer(x)))[:]
+}
+
+const (
+	TC_POLICE_UNSPEC     = TC_ACT_UNSPEC
+	TC_POLICE_OK         = TC_ACT_OK
+	TC_POLICE_RECLASSIFY = TC_ACT_RECLASSIFY
+	TC_POLICE_SHOT       = TC_ACT_SHOT
+	TC_POLICE_PIPE       = TC_ACT_PIPE
+)
+
+// struct tc_police {
+// 	__u32			index;
+// 	int			action;
+// 	__u32			limit;
+// 	__u32			burst;
+// 	__u32			mtu;
+// 	struct tc_ratespec	rate;
+// 	struct tc_ratespec	peakrate;
+// 	int				refcnt;
+// 	int				bindcnt;
+// 	__u32			capab;
+// };
+
+type TcPolice struct {
+	Index    uint32
+	Action   int32
+	Limit    uint32
+	Burst    uint32
+	Mtu      uint32
+	Rate     TcRateSpec
+	PeakRate TcRateSpec
+	Refcnt   int32
+	Bindcnt  int32
+	Capab    uint32
+}
+
+func (msg *TcPolice) Len() int {
+	return SizeofTcPolice
+}
+
+func DeserializeTcPolice(b []byte) *TcPolice {
+	return (*TcPolice)(unsafe.Pointer(&b[0:SizeofTcPolice][0]))
+}
+
+func (x *TcPolice) Serialize() []byte {
+	return (*(*[SizeofTcPolice]byte)(unsafe.Pointer(x)))[:]
+}
+
+const (
+	TCA_FW_UNSPEC = iota
+	TCA_FW_CLASSID
+	TCA_FW_POLICE
+	TCA_FW_INDEV
+	TCA_FW_ACT
+	TCA_FW_MASK
+	TCA_FW_MAX = TCA_FW_MASK
+)

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

@@ -0,0 +1,173 @@
+package nl
+
+import (
+	"bytes"
+	"crypto/rand"
+	"encoding/binary"
+	"testing"
+)
+
+/* TcMsg */
+func (msg *TcMsg) write(b []byte) {
+	native := NativeEndian()
+	b[0] = msg.Family
+	copy(b[1:4], msg.Pad[:])
+	native.PutUint32(b[4:8], uint32(msg.Ifindex))
+	native.PutUint32(b[8:12], msg.Handle)
+	native.PutUint32(b[12:16], msg.Parent)
+	native.PutUint32(b[16:20], msg.Info)
+}
+
+func (msg *TcMsg) serializeSafe() []byte {
+	length := SizeofTcMsg
+	b := make([]byte, length)
+	msg.write(b)
+	return b
+}
+
+func deserializeTcMsgSafe(b []byte) *TcMsg {
+	var msg = TcMsg{}
+	binary.Read(bytes.NewReader(b[0:SizeofTcMsg]), NativeEndian(), &msg)
+	return &msg
+}
+
+func TestTcMsgDeserializeSerialize(t *testing.T) {
+	var orig = make([]byte, SizeofTcMsg)
+	rand.Read(orig)
+	safemsg := deserializeTcMsgSafe(orig)
+	msg := DeserializeTcMsg(orig)
+	testDeserializeSerialize(t, orig, safemsg, msg)
+}
+
+/* TcActionMsg */
+func (msg *TcActionMsg) write(b []byte) {
+	b[0] = msg.Family
+	copy(b[1:4], msg.Pad[:])
+}
+
+func (msg *TcActionMsg) serializeSafe() []byte {
+	length := SizeofTcActionMsg
+	b := make([]byte, length)
+	msg.write(b)
+	return b
+}
+
+func deserializeTcActionMsgSafe(b []byte) *TcActionMsg {
+	var msg = TcActionMsg{}
+	binary.Read(bytes.NewReader(b[0:SizeofTcActionMsg]), NativeEndian(), &msg)
+	return &msg
+}
+
+func TestTcActionMsgDeserializeSerialize(t *testing.T) {
+	var orig = make([]byte, SizeofTcActionMsg)
+	rand.Read(orig)
+	safemsg := deserializeTcActionMsgSafe(orig)
+	msg := DeserializeTcActionMsg(orig)
+	testDeserializeSerialize(t, orig, safemsg, msg)
+}
+
+/* TcRateSpec */
+func (msg *TcRateSpec) write(b []byte) {
+	native := NativeEndian()
+	b[0] = msg.CellLog
+	b[1] = msg.Linklayer
+	native.PutUint16(b[2:4], msg.Overhead)
+	native.PutUint16(b[4:6], uint16(msg.CellAlign))
+	native.PutUint16(b[6:8], msg.Mpu)
+	native.PutUint32(b[8:12], msg.Rate)
+}
+
+func (msg *TcRateSpec) serializeSafe() []byte {
+	length := SizeofTcRateSpec
+	b := make([]byte, length)
+	msg.write(b)
+	return b
+}
+
+func deserializeTcRateSpecSafe(b []byte) *TcRateSpec {
+	var msg = TcRateSpec{}
+	binary.Read(bytes.NewReader(b[0:SizeofTcRateSpec]), NativeEndian(), &msg)
+	return &msg
+}
+
+func TestTcRateSpecDeserializeSerialize(t *testing.T) {
+	var orig = make([]byte, SizeofTcRateSpec)
+	rand.Read(orig)
+	safemsg := deserializeTcRateSpecSafe(orig)
+	msg := DeserializeTcRateSpec(orig)
+	testDeserializeSerialize(t, orig, safemsg, msg)
+}
+
+/* TcTbfQopt */
+func (msg *TcTbfQopt) write(b []byte) {
+	native := NativeEndian()
+	msg.Rate.write(b[0:SizeofTcRateSpec])
+	start := SizeofTcRateSpec
+	msg.Peakrate.write(b[start : start+SizeofTcRateSpec])
+	start += SizeofTcRateSpec
+	native.PutUint32(b[start:start+4], msg.Limit)
+	start += 4
+	native.PutUint32(b[start:start+4], msg.Buffer)
+	start += 4
+	native.PutUint32(b[start:start+4], msg.Mtu)
+}
+
+func (msg *TcTbfQopt) serializeSafe() []byte {
+	length := SizeofTcTbfQopt
+	b := make([]byte, length)
+	msg.write(b)
+	return b
+}
+
+func deserializeTcTbfQoptSafe(b []byte) *TcTbfQopt {
+	var msg = TcTbfQopt{}
+	binary.Read(bytes.NewReader(b[0:SizeofTcTbfQopt]), NativeEndian(), &msg)
+	return &msg
+}
+
+func TestTcTbfQoptDeserializeSerialize(t *testing.T) {
+	var orig = make([]byte, SizeofTcTbfQopt)
+	rand.Read(orig)
+	safemsg := deserializeTcTbfQoptSafe(orig)
+	msg := DeserializeTcTbfQopt(orig)
+	testDeserializeSerialize(t, orig, safemsg, msg)
+}
+
+/* TcHtbCopt */
+func (msg *TcHtbCopt) write(b []byte) {
+	native := NativeEndian()
+	msg.Rate.write(b[0:SizeofTcRateSpec])
+	start := SizeofTcRateSpec
+	msg.Ceil.write(b[start : start+SizeofTcRateSpec])
+	start += SizeofTcRateSpec
+	native.PutUint32(b[start:start+4], msg.Buffer)
+	start += 4
+	native.PutUint32(b[start:start+4], msg.Cbuffer)
+	start += 4
+	native.PutUint32(b[start:start+4], msg.Quantum)
+	start += 4
+	native.PutUint32(b[start:start+4], msg.Level)
+	start += 4
+	native.PutUint32(b[start:start+4], msg.Prio)
+}
+
+func (msg *TcHtbCopt) serializeSafe() []byte {
+	length := SizeofTcHtbCopt
+	b := make([]byte, length)
+	msg.write(b)
+	return b
+}
+
+func deserializeTcHtbCoptSafe(b []byte) *TcHtbCopt {
+	var msg = TcHtbCopt{}
+	binary.Read(bytes.NewReader(b[0:SizeofTcHtbCopt]), NativeEndian(), &msg)
+	return &msg
+}
+
+func TestTcHtbCoptDeserializeSerialize(t *testing.T) {
+	var orig = make([]byte, SizeofTcHtbCopt)
+	rand.Read(orig)
+	safemsg := deserializeTcHtbCoptSafe(orig)
+	msg := DeserializeTcHtbCopt(orig)
+	testDeserializeSerialize(t, orig, safemsg, msg)
+}

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

@@ -104,9 +104,8 @@ func (x *XfrmAddress) ToIPNet(prefixlen uint8) *net.IPNet {
 	ip := x.ToIP()
 	if GetIPFamily(ip) == FAMILY_V4 {
 		return &net.IPNet{IP: ip, Mask: net.CIDRMask(int(prefixlen), 32)}
-	} else {
-		return &net.IPNet{IP: ip, Mask: net.CIDRMask(int(prefixlen), 128)}
 	}
+	return &net.IPNet{IP: ip, Mask: net.CIDRMask(int(prefixlen), 128)}
 }
 
 func (x *XfrmAddress) FromIP(ip net.IP) {
@@ -125,8 +124,8 @@ func DeserializeXfrmAddress(b []byte) *XfrmAddress {
 	return (*XfrmAddress)(unsafe.Pointer(&b[0:SizeofXfrmAddress][0]))
 }
 
-func (msg *XfrmAddress) Serialize() []byte {
-	return (*(*[SizeofXfrmAddress]byte)(unsafe.Pointer(msg)))[:]
+func (x *XfrmAddress) Serialize() []byte {
+	return (*(*[SizeofXfrmAddress]byte)(unsafe.Pointer(x)))[:]
 }
 
 // struct xfrm_selector {