mirror of https://github.com/vishvananda/netlink
1612 lines
34 KiB
Go
1612 lines
34 KiB
Go
package nl
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import (
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"bytes"
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"encoding/binary"
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"fmt"
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"net"
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"unsafe"
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"golang.org/x/sys/unix"
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)
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// LinkLayer
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const (
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LINKLAYER_UNSPEC = iota
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LINKLAYER_ETHERNET
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LINKLAYER_ATM
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)
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// ATM
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const (
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ATM_CELL_PAYLOAD = 48
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ATM_CELL_SIZE = 53
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)
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const TC_LINKLAYER_MASK = 0x0F
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// Police
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const (
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TCA_POLICE_UNSPEC = iota
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TCA_POLICE_TBF
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TCA_POLICE_RATE
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TCA_POLICE_PEAKRATE
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TCA_POLICE_AVRATE
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TCA_POLICE_RESULT
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TCA_POLICE_MAX = TCA_POLICE_RESULT
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)
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// Message types
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const (
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TCA_UNSPEC = iota
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TCA_KIND
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TCA_OPTIONS
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TCA_STATS
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TCA_XSTATS
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TCA_RATE
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TCA_FCNT
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TCA_STATS2
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TCA_STAB
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TCA_PAD
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TCA_DUMP_INVISIBLE
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TCA_CHAIN
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TCA_HW_OFFLOAD
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TCA_INGRESS_BLOCK
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TCA_EGRESS_BLOCK
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TCA_DUMP_FLAGS
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TCA_MAX = TCA_DUMP_FLAGS
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)
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const (
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TCA_ACT_TAB = 1
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TCAA_MAX = 1
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)
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const (
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TCA_ACT_UNSPEC = iota
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TCA_ACT_KIND
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TCA_ACT_OPTIONS
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TCA_ACT_INDEX
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TCA_ACT_STATS
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TCA_ACT_PAD
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TCA_ACT_COOKIE
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TCA_ACT_FLAGS
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TCA_ACT_HW_STATS
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TCA_ACT_USED_HW_STATS
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TCA_ACT_IN_HW_COUNT
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TCA_ACT_MAX
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)
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const (
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TCA_PRIO_UNSPEC = iota
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TCA_PRIO_MQ
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TCA_PRIO_MAX = TCA_PRIO_MQ
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)
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const (
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TCA_STATS_UNSPEC = iota
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TCA_STATS_BASIC
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TCA_STATS_RATE_EST
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TCA_STATS_QUEUE
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TCA_STATS_APP
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TCA_STATS_RATE_EST64
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TCA_STATS_PAD
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TCA_STATS_BASIC_HW
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TCA_STATS_PKT64
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TCA_STATS_MAX = TCA_STATS_PKT64
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)
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const (
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SizeofTcMsg = 0x14
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SizeofTcActionMsg = 0x04
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SizeofTcPrioMap = 0x14
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SizeofTcRateSpec = 0x0c
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SizeofTcNetemQopt = 0x18
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SizeofTcNetemCorr = 0x0c
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SizeofTcNetemReorder = 0x08
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SizeofTcNetemCorrupt = 0x08
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SizeOfTcNetemRate = 0x10
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SizeofTcTbfQopt = 2*SizeofTcRateSpec + 0x0c
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SizeofTcHtbCopt = 2*SizeofTcRateSpec + 0x14
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SizeofTcHtbGlob = 0x14
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SizeofTcU32Key = 0x10
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SizeofTcU32Sel = 0x10 // without keys
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SizeofTcGen = 0x16
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SizeofTcConnmark = SizeofTcGen + 0x04
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SizeofTcCsum = SizeofTcGen + 0x04
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SizeofTcMirred = SizeofTcGen + 0x08
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SizeofTcTunnelKey = SizeofTcGen + 0x04
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SizeofTcSkbEdit = SizeofTcGen
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SizeofTcPolice = 2*SizeofTcRateSpec + 0x20
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SizeofTcSfqQopt = 0x0b
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SizeofTcSfqRedStats = 0x18
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SizeofTcSfqQoptV1 = SizeofTcSfqQopt + SizeofTcSfqRedStats + 0x1c
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SizeofUint32Bitfield = 0x8
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)
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// struct tcmsg {
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// unsigned char tcm_family;
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// unsigned char tcm__pad1;
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// unsigned short tcm__pad2;
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// int tcm_ifindex;
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// __u32 tcm_handle;
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// __u32 tcm_parent;
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// __u32 tcm_info;
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// };
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type TcMsg struct {
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Family uint8
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Pad [3]byte
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Ifindex int32
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Handle uint32
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Parent uint32
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Info uint32
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}
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func (msg *TcMsg) Len() int {
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return SizeofTcMsg
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}
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func DeserializeTcMsg(b []byte) *TcMsg {
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return (*TcMsg)(unsafe.Pointer(&b[0:SizeofTcMsg][0]))
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}
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func (x *TcMsg) Serialize() []byte {
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return (*(*[SizeofTcMsg]byte)(unsafe.Pointer(x)))[:]
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}
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type Tcf struct {
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Install uint64
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LastUse uint64
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Expires uint64
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FirstUse uint64
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}
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func DeserializeTcf(b []byte) *Tcf {
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const size = int(unsafe.Sizeof(Tcf{}))
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return (*Tcf)(unsafe.Pointer(&b[0:size][0]))
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}
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// struct tcamsg {
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// unsigned char tca_family;
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// unsigned char tca__pad1;
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// unsigned short tca__pad2;
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// };
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type TcActionMsg struct {
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Family uint8
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Pad [3]byte
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}
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func (msg *TcActionMsg) Len() int {
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return SizeofTcActionMsg
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}
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func DeserializeTcActionMsg(b []byte) *TcActionMsg {
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return (*TcActionMsg)(unsafe.Pointer(&b[0:SizeofTcActionMsg][0]))
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}
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func (x *TcActionMsg) Serialize() []byte {
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return (*(*[SizeofTcActionMsg]byte)(unsafe.Pointer(x)))[:]
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}
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const (
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TC_PRIO_MAX = 15
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)
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// struct tc_prio_qopt {
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// int bands; /* Number of bands */
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// __u8 priomap[TC_PRIO_MAX+1]; /* Map: logical priority -> PRIO band */
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// };
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type TcPrioMap struct {
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Bands int32
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Priomap [TC_PRIO_MAX + 1]uint8
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}
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func (msg *TcPrioMap) Len() int {
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return SizeofTcPrioMap
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}
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func DeserializeTcPrioMap(b []byte) *TcPrioMap {
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return (*TcPrioMap)(unsafe.Pointer(&b[0:SizeofTcPrioMap][0]))
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}
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func (x *TcPrioMap) Serialize() []byte {
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return (*(*[SizeofTcPrioMap]byte)(unsafe.Pointer(x)))[:]
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}
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const (
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TCA_TBF_UNSPEC = iota
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TCA_TBF_PARMS
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TCA_TBF_RTAB
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TCA_TBF_PTAB
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TCA_TBF_RATE64
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TCA_TBF_PRATE64
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TCA_TBF_BURST
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TCA_TBF_PBURST
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TCA_TBF_MAX = TCA_TBF_PBURST
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)
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// struct tc_ratespec {
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// unsigned char cell_log;
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// __u8 linklayer; /* lower 4 bits */
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// unsigned short overhead;
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// short cell_align;
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// unsigned short mpu;
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// __u32 rate;
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// };
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type TcRateSpec struct {
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CellLog uint8
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Linklayer uint8
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Overhead uint16
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CellAlign int16
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Mpu uint16
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Rate uint32
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}
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func (msg *TcRateSpec) Len() int {
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return SizeofTcRateSpec
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}
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func DeserializeTcRateSpec(b []byte) *TcRateSpec {
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return (*TcRateSpec)(unsafe.Pointer(&b[0:SizeofTcRateSpec][0]))
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}
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func (x *TcRateSpec) Serialize() []byte {
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return (*(*[SizeofTcRateSpec]byte)(unsafe.Pointer(x)))[:]
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}
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/**
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* NETEM
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*/
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const (
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TCA_NETEM_UNSPEC = iota
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TCA_NETEM_CORR
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TCA_NETEM_DELAY_DIST
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TCA_NETEM_REORDER
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TCA_NETEM_CORRUPT
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TCA_NETEM_LOSS
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TCA_NETEM_RATE
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TCA_NETEM_ECN
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TCA_NETEM_RATE64
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TCA_NETEM_MAX = TCA_NETEM_RATE64
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)
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// struct tc_netem_qopt {
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// __u32 latency; /* added delay (us) */
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// __u32 limit; /* fifo limit (packets) */
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// __u32 loss; /* random packet loss (0=none ~0=100%) */
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// __u32 gap; /* re-ordering gap (0 for none) */
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// __u32 duplicate; /* random packet dup (0=none ~0=100%) */
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// __u32 jitter; /* random jitter in latency (us) */
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// };
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type TcNetemQopt struct {
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Latency uint32
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Limit uint32
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Loss uint32
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Gap uint32
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Duplicate uint32
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Jitter uint32
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}
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func (msg *TcNetemQopt) Len() int {
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return SizeofTcNetemQopt
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}
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func DeserializeTcNetemQopt(b []byte) *TcNetemQopt {
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return (*TcNetemQopt)(unsafe.Pointer(&b[0:SizeofTcNetemQopt][0]))
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}
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func (x *TcNetemQopt) Serialize() []byte {
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return (*(*[SizeofTcNetemQopt]byte)(unsafe.Pointer(x)))[:]
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}
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// struct tc_netem_corr {
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// __u32 delay_corr; /* delay correlation */
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// __u32 loss_corr; /* packet loss correlation */
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// __u32 dup_corr; /* duplicate correlation */
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// };
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type TcNetemCorr struct {
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DelayCorr uint32
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LossCorr uint32
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DupCorr uint32
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}
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func (msg *TcNetemCorr) Len() int {
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return SizeofTcNetemCorr
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}
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func DeserializeTcNetemCorr(b []byte) *TcNetemCorr {
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return (*TcNetemCorr)(unsafe.Pointer(&b[0:SizeofTcNetemCorr][0]))
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}
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func (x *TcNetemCorr) Serialize() []byte {
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return (*(*[SizeofTcNetemCorr]byte)(unsafe.Pointer(x)))[:]
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}
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// struct tc_netem_reorder {
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// __u32 probability;
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// __u32 correlation;
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// };
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type TcNetemReorder struct {
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Probability uint32
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Correlation uint32
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}
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func (msg *TcNetemReorder) Len() int {
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return SizeofTcNetemReorder
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}
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func DeserializeTcNetemReorder(b []byte) *TcNetemReorder {
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return (*TcNetemReorder)(unsafe.Pointer(&b[0:SizeofTcNetemReorder][0]))
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}
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func (x *TcNetemReorder) Serialize() []byte {
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return (*(*[SizeofTcNetemReorder]byte)(unsafe.Pointer(x)))[:]
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}
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// struct tc_netem_corrupt {
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// __u32 probability;
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// __u32 correlation;
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// };
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type TcNetemCorrupt struct {
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Probability uint32
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Correlation uint32
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}
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func (msg *TcNetemCorrupt) Len() int {
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return SizeofTcNetemCorrupt
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}
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func DeserializeTcNetemCorrupt(b []byte) *TcNetemCorrupt {
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return (*TcNetemCorrupt)(unsafe.Pointer(&b[0:SizeofTcNetemCorrupt][0]))
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}
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func (x *TcNetemCorrupt) Serialize() []byte {
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return (*(*[SizeofTcNetemCorrupt]byte)(unsafe.Pointer(x)))[:]
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}
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// TcNetemRate is a struct that represents the rate of a netem qdisc
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type TcNetemRate struct {
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Rate uint32
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PacketOverhead int32
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CellSize uint32
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CellOverhead int32
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}
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func (msg *TcNetemRate) Len() int {
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return SizeofTcRateSpec
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}
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func DeserializeTcNetemRate(b []byte) *TcNetemRate {
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return (*TcNetemRate)(unsafe.Pointer(&b[0:SizeofTcRateSpec][0]))
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}
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func (msg *TcNetemRate) Serialize() []byte {
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return (*(*[SizeOfTcNetemRate]byte)(unsafe.Pointer(msg)))[:]
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}
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// struct tc_tbf_qopt {
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// struct tc_ratespec rate;
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// struct tc_ratespec peakrate;
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// __u32 limit;
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// __u32 buffer;
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// __u32 mtu;
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// };
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type TcTbfQopt struct {
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Rate TcRateSpec
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Peakrate TcRateSpec
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Limit uint32
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Buffer uint32
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Mtu uint32
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}
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func (msg *TcTbfQopt) Len() int {
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return SizeofTcTbfQopt
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}
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func DeserializeTcTbfQopt(b []byte) *TcTbfQopt {
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return (*TcTbfQopt)(unsafe.Pointer(&b[0:SizeofTcTbfQopt][0]))
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}
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func (x *TcTbfQopt) Serialize() []byte {
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return (*(*[SizeofTcTbfQopt]byte)(unsafe.Pointer(x)))[:]
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}
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const (
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TCA_HTB_UNSPEC = iota
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TCA_HTB_PARMS
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TCA_HTB_INIT
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TCA_HTB_CTAB
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TCA_HTB_RTAB
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TCA_HTB_DIRECT_QLEN
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TCA_HTB_RATE64
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TCA_HTB_CEIL64
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TCA_HTB_MAX = TCA_HTB_CEIL64
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)
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//struct tc_htb_opt {
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// struct tc_ratespec rate;
|
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// struct tc_ratespec ceil;
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// __u32 buffer;
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// __u32 cbuffer;
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// __u32 quantum;
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// __u32 level; /* out only */
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// __u32 prio;
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//};
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|
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type TcHtbCopt struct {
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Rate TcRateSpec
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Ceil TcRateSpec
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Buffer uint32
|
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Cbuffer uint32
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Quantum uint32
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Level uint32
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Prio uint32
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}
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func (msg *TcHtbCopt) Len() int {
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return SizeofTcHtbCopt
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}
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|
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func DeserializeTcHtbCopt(b []byte) *TcHtbCopt {
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return (*TcHtbCopt)(unsafe.Pointer(&b[0:SizeofTcHtbCopt][0]))
|
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}
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|
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func (x *TcHtbCopt) Serialize() []byte {
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return (*(*[SizeofTcHtbCopt]byte)(unsafe.Pointer(x)))[:]
|
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}
|
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|
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type TcHtbGlob struct {
|
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Version uint32
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Rate2Quantum uint32
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Defcls uint32
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Debug uint32
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DirectPkts uint32
|
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}
|
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|
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func (msg *TcHtbGlob) Len() int {
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return SizeofTcHtbGlob
|
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}
|
|
|
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func DeserializeTcHtbGlob(b []byte) *TcHtbGlob {
|
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return (*TcHtbGlob)(unsafe.Pointer(&b[0:SizeofTcHtbGlob][0]))
|
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}
|
|
|
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func (x *TcHtbGlob) Serialize() []byte {
|
|
return (*(*[SizeofTcHtbGlob]byte)(unsafe.Pointer(x)))[:]
|
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}
|
|
|
|
// HFSC
|
|
|
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type Curve struct {
|
|
m1 uint32
|
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d uint32
|
|
m2 uint32
|
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}
|
|
|
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type HfscCopt struct {
|
|
Rsc Curve
|
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Fsc Curve
|
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Usc Curve
|
|
}
|
|
|
|
func (c *Curve) Attrs() (uint32, uint32, uint32) {
|
|
return c.m1, c.d, c.m2
|
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}
|
|
|
|
func (c *Curve) Set(m1 uint32, d uint32, m2 uint32) {
|
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c.m1 = m1
|
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c.d = d
|
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c.m2 = m2
|
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}
|
|
|
|
func DeserializeHfscCurve(b []byte) *Curve {
|
|
return &Curve{
|
|
m1: binary.LittleEndian.Uint32(b[0:4]),
|
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d: binary.LittleEndian.Uint32(b[4:8]),
|
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m2: binary.LittleEndian.Uint32(b[8:12]),
|
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}
|
|
}
|
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|
|
func SerializeHfscCurve(c *Curve) (b []byte) {
|
|
t := make([]byte, binary.MaxVarintLen32)
|
|
binary.LittleEndian.PutUint32(t, c.m1)
|
|
b = append(b, t[:4]...)
|
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binary.LittleEndian.PutUint32(t, c.d)
|
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b = append(b, t[:4]...)
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binary.LittleEndian.PutUint32(t, c.m2)
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b = append(b, t[:4]...)
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return b
|
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}
|
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|
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type TcHfscOpt struct {
|
|
Defcls uint16
|
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}
|
|
|
|
func (x *TcHfscOpt) Serialize() []byte {
|
|
return (*(*[2]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
|
|
}
|
|
|
|
type TcGen struct {
|
|
Index uint32
|
|
Capab uint32
|
|
Action int32
|
|
Refcnt int32
|
|
Bindcnt int32
|
|
}
|
|
|
|
func (msg *TcGen) Len() int {
|
|
return SizeofTcGen
|
|
}
|
|
|
|
func DeserializeTcGen(b []byte) *TcGen {
|
|
return (*TcGen)(unsafe.Pointer(&b[0:SizeofTcGen][0]))
|
|
}
|
|
|
|
func (x *TcGen) Serialize() []byte {
|
|
return (*(*[SizeofTcGen]byte)(unsafe.Pointer(x)))[:]
|
|
}
|
|
|
|
// #define tc_gen \
|
|
// __u32 index; \
|
|
// __u32 capab; \
|
|
// int action; \
|
|
// int refcnt; \
|
|
// int bindcnt
|
|
|
|
const (
|
|
TCA_ACT_GACT = 5
|
|
)
|
|
|
|
const (
|
|
TCA_GACT_UNSPEC = iota
|
|
TCA_GACT_TM
|
|
TCA_GACT_PARMS
|
|
TCA_GACT_PROB
|
|
TCA_GACT_MAX = TCA_GACT_PROB
|
|
)
|
|
|
|
type TcGact TcGen
|
|
|
|
const (
|
|
TCA_ACT_BPF = 13
|
|
)
|
|
|
|
const (
|
|
TCA_ACT_BPF_UNSPEC = iota
|
|
TCA_ACT_BPF_TM
|
|
TCA_ACT_BPF_PARMS
|
|
TCA_ACT_BPF_OPS_LEN
|
|
TCA_ACT_BPF_OPS
|
|
TCA_ACT_BPF_FD
|
|
TCA_ACT_BPF_NAME
|
|
TCA_ACT_BPF_MAX = TCA_ACT_BPF_NAME
|
|
)
|
|
|
|
const (
|
|
TCA_BPF_FLAG_ACT_DIRECT uint32 = 1 << iota
|
|
)
|
|
|
|
const (
|
|
TCA_BPF_UNSPEC = iota
|
|
TCA_BPF_ACT
|
|
TCA_BPF_POLICE
|
|
TCA_BPF_CLASSID
|
|
TCA_BPF_OPS_LEN
|
|
TCA_BPF_OPS
|
|
TCA_BPF_FD
|
|
TCA_BPF_NAME
|
|
TCA_BPF_FLAGS
|
|
TCA_BPF_FLAGS_GEN
|
|
TCA_BPF_TAG
|
|
TCA_BPF_ID
|
|
TCA_BPF_MAX = TCA_BPF_ID
|
|
)
|
|
|
|
type TcBpf TcGen
|
|
|
|
const (
|
|
TCA_ACT_CONNMARK = 14
|
|
)
|
|
|
|
const (
|
|
TCA_CONNMARK_UNSPEC = iota
|
|
TCA_CONNMARK_PARMS
|
|
TCA_CONNMARK_TM
|
|
TCA_CONNMARK_MAX = TCA_CONNMARK_TM
|
|
)
|
|
|
|
// struct tc_connmark {
|
|
// tc_gen;
|
|
// __u16 zone;
|
|
// };
|
|
|
|
type TcConnmark struct {
|
|
TcGen
|
|
Zone uint16
|
|
}
|
|
|
|
func (msg *TcConnmark) Len() int {
|
|
return SizeofTcConnmark
|
|
}
|
|
|
|
func DeserializeTcConnmark(b []byte) *TcConnmark {
|
|
return (*TcConnmark)(unsafe.Pointer(&b[0:SizeofTcConnmark][0]))
|
|
}
|
|
|
|
func (x *TcConnmark) Serialize() []byte {
|
|
return (*(*[SizeofTcConnmark]byte)(unsafe.Pointer(x)))[:]
|
|
}
|
|
|
|
const (
|
|
TCA_CSUM_UNSPEC = iota
|
|
TCA_CSUM_PARMS
|
|
TCA_CSUM_TM
|
|
TCA_CSUM_PAD
|
|
TCA_CSUM_MAX = TCA_CSUM_PAD
|
|
)
|
|
|
|
// struct tc_csum {
|
|
// tc_gen;
|
|
// __u32 update_flags;
|
|
// }
|
|
|
|
type TcCsum struct {
|
|
TcGen
|
|
UpdateFlags uint32
|
|
}
|
|
|
|
func (msg *TcCsum) Len() int {
|
|
return SizeofTcCsum
|
|
}
|
|
|
|
func DeserializeTcCsum(b []byte) *TcCsum {
|
|
return (*TcCsum)(unsafe.Pointer(&b[0:SizeofTcCsum][0]))
|
|
}
|
|
|
|
func (x *TcCsum) Serialize() []byte {
|
|
return (*(*[SizeofTcCsum]byte)(unsafe.Pointer(x)))[:]
|
|
}
|
|
|
|
const (
|
|
TCA_ACT_MIRRED = 8
|
|
)
|
|
|
|
const (
|
|
TCA_MIRRED_UNSPEC = iota
|
|
TCA_MIRRED_TM
|
|
TCA_MIRRED_PARMS
|
|
TCA_MIRRED_MAX = TCA_MIRRED_PARMS
|
|
)
|
|
|
|
// struct tc_mirred {
|
|
// tc_gen;
|
|
// int eaction; /* one of IN/EGRESS_MIRROR/REDIR */
|
|
// __u32 ifindex; /* ifindex of egress port */
|
|
// };
|
|
|
|
type TcMirred struct {
|
|
TcGen
|
|
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 (
|
|
TCA_TUNNEL_KEY_UNSPEC = iota
|
|
TCA_TUNNEL_KEY_TM
|
|
TCA_TUNNEL_KEY_PARMS
|
|
TCA_TUNNEL_KEY_ENC_IPV4_SRC
|
|
TCA_TUNNEL_KEY_ENC_IPV4_DST
|
|
TCA_TUNNEL_KEY_ENC_IPV6_SRC
|
|
TCA_TUNNEL_KEY_ENC_IPV6_DST
|
|
TCA_TUNNEL_KEY_ENC_KEY_ID
|
|
TCA_TUNNEL_KEY_PAD
|
|
TCA_TUNNEL_KEY_ENC_DST_PORT
|
|
TCA_TUNNEL_KEY_NO_CSUM
|
|
TCA_TUNNEL_KEY_ENC_OPTS
|
|
TCA_TUNNEL_KEY_ENC_TOS
|
|
TCA_TUNNEL_KEY_ENC_TTL
|
|
TCA_TUNNEL_KEY_MAX
|
|
)
|
|
|
|
type TcTunnelKey struct {
|
|
TcGen
|
|
Action int32
|
|
}
|
|
|
|
func (x *TcTunnelKey) Len() int {
|
|
return SizeofTcTunnelKey
|
|
}
|
|
|
|
func DeserializeTunnelKey(b []byte) *TcTunnelKey {
|
|
return (*TcTunnelKey)(unsafe.Pointer(&b[0:SizeofTcTunnelKey][0]))
|
|
}
|
|
|
|
func (x *TcTunnelKey) Serialize() []byte {
|
|
return (*(*[SizeofTcTunnelKey]byte)(unsafe.Pointer(x)))[:]
|
|
}
|
|
|
|
const (
|
|
TCA_SKBEDIT_UNSPEC = iota
|
|
TCA_SKBEDIT_TM
|
|
TCA_SKBEDIT_PARMS
|
|
TCA_SKBEDIT_PRIORITY
|
|
TCA_SKBEDIT_QUEUE_MAPPING
|
|
TCA_SKBEDIT_MARK
|
|
TCA_SKBEDIT_PAD
|
|
TCA_SKBEDIT_PTYPE
|
|
TCA_SKBEDIT_MASK
|
|
TCA_SKBEDIT_MAX
|
|
)
|
|
|
|
type TcSkbEdit struct {
|
|
TcGen
|
|
}
|
|
|
|
func (x *TcSkbEdit) Len() int {
|
|
return SizeofTcSkbEdit
|
|
}
|
|
|
|
func DeserializeSkbEdit(b []byte) *TcSkbEdit {
|
|
return (*TcSkbEdit)(unsafe.Pointer(&b[0:SizeofTcSkbEdit][0]))
|
|
}
|
|
|
|
func (x *TcSkbEdit) Serialize() []byte {
|
|
return (*(*[SizeofTcSkbEdit]byte)(unsafe.Pointer(x)))[:]
|
|
}
|
|
|
|
// struct tc_police {
|
|
// __u32 index;
|
|
// int action;
|
|
// __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
|
|
)
|
|
|
|
const (
|
|
TCA_MATCHALL_UNSPEC = iota
|
|
TCA_MATCHALL_CLASSID
|
|
TCA_MATCHALL_ACT
|
|
TCA_MATCHALL_FLAGS
|
|
)
|
|
|
|
const (
|
|
TCA_FQ_UNSPEC = iota
|
|
TCA_FQ_PLIMIT // limit of total number of packets in queue
|
|
TCA_FQ_FLOW_PLIMIT // limit of packets per flow
|
|
TCA_FQ_QUANTUM // RR quantum
|
|
TCA_FQ_INITIAL_QUANTUM // RR quantum for new flow
|
|
TCA_FQ_RATE_ENABLE // enable/disable rate limiting
|
|
TCA_FQ_FLOW_DEFAULT_RATE // obsolete do not use
|
|
TCA_FQ_FLOW_MAX_RATE // per flow max rate
|
|
TCA_FQ_BUCKETS_LOG // log2(number of buckets)
|
|
TCA_FQ_FLOW_REFILL_DELAY // flow credit refill delay in usec
|
|
TCA_FQ_ORPHAN_MASK // mask applied to orphaned skb hashes
|
|
TCA_FQ_LOW_RATE_THRESHOLD // per packet delay under this rate
|
|
TCA_FQ_CE_THRESHOLD // DCTCP-like CE-marking threshold
|
|
TCA_FQ_TIMER_SLACK // timer slack
|
|
TCA_FQ_HORIZON // time horizon in us
|
|
TCA_FQ_HORIZON_DROP // drop packets beyond horizon, or cap their EDT
|
|
)
|
|
|
|
const (
|
|
TCA_FQ_CODEL_UNSPEC = iota
|
|
TCA_FQ_CODEL_TARGET
|
|
TCA_FQ_CODEL_LIMIT
|
|
TCA_FQ_CODEL_INTERVAL
|
|
TCA_FQ_CODEL_ECN
|
|
TCA_FQ_CODEL_FLOWS
|
|
TCA_FQ_CODEL_QUANTUM
|
|
TCA_FQ_CODEL_CE_THRESHOLD
|
|
TCA_FQ_CODEL_DROP_BATCH_SIZE
|
|
TCA_FQ_CODEL_MEMORY_LIMIT
|
|
)
|
|
|
|
const (
|
|
TCA_HFSC_UNSPEC = iota
|
|
TCA_HFSC_RSC
|
|
TCA_HFSC_FSC
|
|
TCA_HFSC_USC
|
|
)
|
|
|
|
const (
|
|
TCA_FLOWER_UNSPEC = iota
|
|
TCA_FLOWER_CLASSID
|
|
TCA_FLOWER_INDEV
|
|
TCA_FLOWER_ACT
|
|
TCA_FLOWER_KEY_ETH_DST /* ETH_ALEN */
|
|
TCA_FLOWER_KEY_ETH_DST_MASK /* ETH_ALEN */
|
|
TCA_FLOWER_KEY_ETH_SRC /* ETH_ALEN */
|
|
TCA_FLOWER_KEY_ETH_SRC_MASK /* ETH_ALEN */
|
|
TCA_FLOWER_KEY_ETH_TYPE /* be16 */
|
|
TCA_FLOWER_KEY_IP_PROTO /* u8 */
|
|
TCA_FLOWER_KEY_IPV4_SRC /* be32 */
|
|
TCA_FLOWER_KEY_IPV4_SRC_MASK /* be32 */
|
|
TCA_FLOWER_KEY_IPV4_DST /* be32 */
|
|
TCA_FLOWER_KEY_IPV4_DST_MASK /* be32 */
|
|
TCA_FLOWER_KEY_IPV6_SRC /* struct in6_addr */
|
|
TCA_FLOWER_KEY_IPV6_SRC_MASK /* struct in6_addr */
|
|
TCA_FLOWER_KEY_IPV6_DST /* struct in6_addr */
|
|
TCA_FLOWER_KEY_IPV6_DST_MASK /* struct in6_addr */
|
|
TCA_FLOWER_KEY_TCP_SRC /* be16 */
|
|
TCA_FLOWER_KEY_TCP_DST /* be16 */
|
|
TCA_FLOWER_KEY_UDP_SRC /* be16 */
|
|
TCA_FLOWER_KEY_UDP_DST /* be16 */
|
|
|
|
TCA_FLOWER_FLAGS
|
|
TCA_FLOWER_KEY_VLAN_ID /* be16 */
|
|
TCA_FLOWER_KEY_VLAN_PRIO /* u8 */
|
|
TCA_FLOWER_KEY_VLAN_ETH_TYPE /* be16 */
|
|
|
|
TCA_FLOWER_KEY_ENC_KEY_ID /* be32 */
|
|
TCA_FLOWER_KEY_ENC_IPV4_SRC /* be32 */
|
|
TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK /* be32 */
|
|
TCA_FLOWER_KEY_ENC_IPV4_DST /* be32 */
|
|
TCA_FLOWER_KEY_ENC_IPV4_DST_MASK /* be32 */
|
|
TCA_FLOWER_KEY_ENC_IPV6_SRC /* struct in6_addr */
|
|
TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK /* struct in6_addr */
|
|
TCA_FLOWER_KEY_ENC_IPV6_DST /* struct in6_addr */
|
|
TCA_FLOWER_KEY_ENC_IPV6_DST_MASK /* struct in6_addr */
|
|
|
|
TCA_FLOWER_KEY_TCP_SRC_MASK /* be16 */
|
|
TCA_FLOWER_KEY_TCP_DST_MASK /* be16 */
|
|
TCA_FLOWER_KEY_UDP_SRC_MASK /* be16 */
|
|
TCA_FLOWER_KEY_UDP_DST_MASK /* be16 */
|
|
TCA_FLOWER_KEY_SCTP_SRC_MASK /* be16 */
|
|
TCA_FLOWER_KEY_SCTP_DST_MASK /* be16 */
|
|
|
|
TCA_FLOWER_KEY_SCTP_SRC /* be16 */
|
|
TCA_FLOWER_KEY_SCTP_DST /* be16 */
|
|
|
|
TCA_FLOWER_KEY_ENC_UDP_SRC_PORT /* be16 */
|
|
TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK /* be16 */
|
|
TCA_FLOWER_KEY_ENC_UDP_DST_PORT /* be16 */
|
|
TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK /* be16 */
|
|
|
|
TCA_FLOWER_KEY_FLAGS /* be32 */
|
|
TCA_FLOWER_KEY_FLAGS_MASK /* be32 */
|
|
|
|
TCA_FLOWER_KEY_ICMPV4_CODE /* u8 */
|
|
TCA_FLOWER_KEY_ICMPV4_CODE_MASK /* u8 */
|
|
TCA_FLOWER_KEY_ICMPV4_TYPE /* u8 */
|
|
TCA_FLOWER_KEY_ICMPV4_TYPE_MASK /* u8 */
|
|
TCA_FLOWER_KEY_ICMPV6_CODE /* u8 */
|
|
TCA_FLOWER_KEY_ICMPV6_CODE_MASK /* u8 */
|
|
TCA_FLOWER_KEY_ICMPV6_TYPE /* u8 */
|
|
TCA_FLOWER_KEY_ICMPV6_TYPE_MASK /* u8 */
|
|
|
|
TCA_FLOWER_KEY_ARP_SIP /* be32 */
|
|
TCA_FLOWER_KEY_ARP_SIP_MASK /* be32 */
|
|
TCA_FLOWER_KEY_ARP_TIP /* be32 */
|
|
TCA_FLOWER_KEY_ARP_TIP_MASK /* be32 */
|
|
TCA_FLOWER_KEY_ARP_OP /* u8 */
|
|
TCA_FLOWER_KEY_ARP_OP_MASK /* u8 */
|
|
TCA_FLOWER_KEY_ARP_SHA /* ETH_ALEN */
|
|
TCA_FLOWER_KEY_ARP_SHA_MASK /* ETH_ALEN */
|
|
TCA_FLOWER_KEY_ARP_THA /* ETH_ALEN */
|
|
TCA_FLOWER_KEY_ARP_THA_MASK /* ETH_ALEN */
|
|
|
|
TCA_FLOWER_KEY_MPLS_TTL /* u8 - 8 bits */
|
|
TCA_FLOWER_KEY_MPLS_BOS /* u8 - 1 bit */
|
|
TCA_FLOWER_KEY_MPLS_TC /* u8 - 3 bits */
|
|
TCA_FLOWER_KEY_MPLS_LABEL /* be32 - 20 bits */
|
|
|
|
TCA_FLOWER_KEY_TCP_FLAGS /* be16 */
|
|
TCA_FLOWER_KEY_TCP_FLAGS_MASK /* be16 */
|
|
|
|
TCA_FLOWER_KEY_IP_TOS /* u8 */
|
|
TCA_FLOWER_KEY_IP_TOS_MASK /* u8 */
|
|
TCA_FLOWER_KEY_IP_TTL /* u8 */
|
|
TCA_FLOWER_KEY_IP_TTL_MASK /* u8 */
|
|
|
|
TCA_FLOWER_KEY_CVLAN_ID /* be16 */
|
|
TCA_FLOWER_KEY_CVLAN_PRIO /* u8 */
|
|
TCA_FLOWER_KEY_CVLAN_ETH_TYPE /* be16 */
|
|
|
|
TCA_FLOWER_KEY_ENC_IP_TOS /* u8 */
|
|
TCA_FLOWER_KEY_ENC_IP_TOS_MASK /* u8 */
|
|
TCA_FLOWER_KEY_ENC_IP_TTL /* u8 */
|
|
TCA_FLOWER_KEY_ENC_IP_TTL_MASK /* u8 */
|
|
|
|
TCA_FLOWER_KEY_ENC_OPTS
|
|
TCA_FLOWER_KEY_ENC_OPTS_MASK
|
|
|
|
__TCA_FLOWER_MAX
|
|
)
|
|
|
|
const TCA_CLS_FLAGS_SKIP_HW = 1 << 0 /* don't offload filter to HW */
|
|
const TCA_CLS_FLAGS_SKIP_SW = 1 << 1 /* don't use filter in SW */
|
|
|
|
// struct tc_sfq_qopt {
|
|
// unsigned quantum; /* Bytes per round allocated to flow */
|
|
// int perturb_period; /* Period of hash perturbation */
|
|
// __u32 limit; /* Maximal packets in queue */
|
|
// unsigned divisor; /* Hash divisor */
|
|
// unsigned flows; /* Maximal number of flows */
|
|
// };
|
|
|
|
type TcSfqQopt struct {
|
|
Quantum uint8
|
|
Perturb int32
|
|
Limit uint32
|
|
Divisor uint8
|
|
Flows uint8
|
|
}
|
|
|
|
func (x *TcSfqQopt) Len() int {
|
|
return SizeofTcSfqQopt
|
|
}
|
|
|
|
func DeserializeTcSfqQopt(b []byte) *TcSfqQopt {
|
|
return (*TcSfqQopt)(unsafe.Pointer(&b[0:SizeofTcSfqQopt][0]))
|
|
}
|
|
|
|
func (x *TcSfqQopt) Serialize() []byte {
|
|
return (*(*[SizeofTcSfqQopt]byte)(unsafe.Pointer(x)))[:]
|
|
}
|
|
|
|
// struct tc_sfqred_stats {
|
|
// __u32 prob_drop; /* Early drops, below max threshold */
|
|
// __u32 forced_drop; /* Early drops, after max threshold */
|
|
// __u32 prob_mark; /* Marked packets, below max threshold */
|
|
// __u32 forced_mark; /* Marked packets, after max threshold */
|
|
// __u32 prob_mark_head; /* Marked packets, below max threshold */
|
|
// __u32 forced_mark_head;/* Marked packets, after max threshold */
|
|
// };
|
|
type TcSfqRedStats struct {
|
|
ProbDrop uint32
|
|
ForcedDrop uint32
|
|
ProbMark uint32
|
|
ForcedMark uint32
|
|
ProbMarkHead uint32
|
|
ForcedMarkHead uint32
|
|
}
|
|
|
|
func (x *TcSfqRedStats) Len() int {
|
|
return SizeofTcSfqRedStats
|
|
}
|
|
|
|
func DeserializeTcSfqRedStats(b []byte) *TcSfqRedStats {
|
|
return (*TcSfqRedStats)(unsafe.Pointer(&b[0:SizeofTcSfqRedStats][0]))
|
|
}
|
|
|
|
func (x *TcSfqRedStats) Serialize() []byte {
|
|
return (*(*[SizeofTcSfqRedStats]byte)(unsafe.Pointer(x)))[:]
|
|
}
|
|
|
|
// struct tc_sfq_qopt_v1 {
|
|
// struct tc_sfq_qopt v0;
|
|
// unsigned int depth; /* max number of packets per flow */
|
|
// unsigned int headdrop;
|
|
//
|
|
// /* SFQRED parameters */
|
|
//
|
|
// __u32 limit; /* HARD maximal flow queue length (bytes) */
|
|
// __u32 qth_min; /* Min average length threshold (bytes) */
|
|
// __u32 qth_max; /* Max average length threshold (bytes) */
|
|
// unsigned char Wlog; /* log(W) */
|
|
// unsigned char Plog; /* log(P_max/(qth_max-qth_min)) */
|
|
// unsigned char Scell_log; /* cell size for idle damping */
|
|
// unsigned char flags;
|
|
// __u32 max_P; /* probability, high resolution */
|
|
//
|
|
// /* SFQRED stats */
|
|
//
|
|
// struct tc_sfqred_stats stats;
|
|
// };
|
|
type TcSfqQoptV1 struct {
|
|
TcSfqQopt
|
|
Depth uint32
|
|
HeadDrop uint32
|
|
Limit uint32
|
|
QthMin uint32
|
|
QthMax uint32
|
|
Wlog byte
|
|
Plog byte
|
|
ScellLog byte
|
|
Flags byte
|
|
MaxP uint32
|
|
TcSfqRedStats
|
|
}
|
|
|
|
func (x *TcSfqQoptV1) Len() int {
|
|
return SizeofTcSfqQoptV1
|
|
}
|
|
|
|
func DeserializeTcSfqQoptV1(b []byte) *TcSfqQoptV1 {
|
|
return (*TcSfqQoptV1)(unsafe.Pointer(&b[0:SizeofTcSfqQoptV1][0]))
|
|
}
|
|
|
|
func (x *TcSfqQoptV1) Serialize() []byte {
|
|
return (*(*[SizeofTcSfqQoptV1]byte)(unsafe.Pointer(x)))[:]
|
|
}
|
|
|
|
// IPProto represents Flower ip_proto attribute
|
|
type IPProto uint8
|
|
|
|
const (
|
|
IPPROTO_TCP IPProto = unix.IPPROTO_TCP
|
|
IPPROTO_UDP IPProto = unix.IPPROTO_UDP
|
|
IPPROTO_SCTP IPProto = unix.IPPROTO_SCTP
|
|
IPPROTO_ICMP IPProto = unix.IPPROTO_ICMP
|
|
IPPROTO_ICMPV6 IPProto = unix.IPPROTO_ICMPV6
|
|
)
|
|
|
|
func (i IPProto) Serialize() []byte {
|
|
arr := make([]byte, 1)
|
|
arr[0] = byte(i)
|
|
return arr
|
|
}
|
|
|
|
func (i IPProto) String() string {
|
|
switch i {
|
|
case IPPROTO_TCP:
|
|
return "tcp"
|
|
case IPPROTO_UDP:
|
|
return "udp"
|
|
case IPPROTO_SCTP:
|
|
return "sctp"
|
|
case IPPROTO_ICMP:
|
|
return "icmp"
|
|
case IPPROTO_ICMPV6:
|
|
return "icmpv6"
|
|
}
|
|
return fmt.Sprintf("%d", i)
|
|
}
|
|
|
|
const (
|
|
MaxOffs = 128
|
|
SizeOfPeditSel = 24
|
|
SizeOfPeditKey = 24
|
|
|
|
TCA_PEDIT_KEY_EX_HTYPE = 1
|
|
TCA_PEDIT_KEY_EX_CMD = 2
|
|
)
|
|
|
|
const (
|
|
TCA_PEDIT_UNSPEC = iota
|
|
TCA_PEDIT_TM
|
|
TCA_PEDIT_PARMS
|
|
TCA_PEDIT_PAD
|
|
TCA_PEDIT_PARMS_EX
|
|
TCA_PEDIT_KEYS_EX
|
|
TCA_PEDIT_KEY_EX
|
|
)
|
|
|
|
// /* TCA_PEDIT_KEY_EX_HDR_TYPE_NETWROK is a special case for legacy users. It
|
|
// * means no specific header type - offset is relative to the network layer
|
|
// */
|
|
type PeditHeaderType uint16
|
|
|
|
const (
|
|
TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK = iota
|
|
TCA_PEDIT_KEY_EX_HDR_TYPE_ETH
|
|
TCA_PEDIT_KEY_EX_HDR_TYPE_IP4
|
|
TCA_PEDIT_KEY_EX_HDR_TYPE_IP6
|
|
TCA_PEDIT_KEY_EX_HDR_TYPE_TCP
|
|
TCA_PEDIT_KEY_EX_HDR_TYPE_UDP
|
|
__PEDIT_HDR_TYPE_MAX
|
|
)
|
|
|
|
type PeditCmd uint16
|
|
|
|
const (
|
|
TCA_PEDIT_KEY_EX_CMD_SET = 0
|
|
TCA_PEDIT_KEY_EX_CMD_ADD = 1
|
|
)
|
|
|
|
type TcPeditSel struct {
|
|
TcGen
|
|
NKeys uint8
|
|
Flags uint8
|
|
}
|
|
|
|
func DeserializeTcPeditKey(b []byte) *TcPeditKey {
|
|
return (*TcPeditKey)(unsafe.Pointer(&b[0:SizeOfPeditKey][0]))
|
|
}
|
|
|
|
func DeserializeTcPedit(b []byte) (*TcPeditSel, []TcPeditKey) {
|
|
x := &TcPeditSel{}
|
|
copy((*(*[SizeOfPeditSel]byte)(unsafe.Pointer(x)))[:SizeOfPeditSel], b)
|
|
|
|
var keys []TcPeditKey
|
|
|
|
next := SizeOfPeditKey
|
|
var i uint8
|
|
for i = 0; i < x.NKeys; i++ {
|
|
keys = append(keys, *DeserializeTcPeditKey(b[next:]))
|
|
next += SizeOfPeditKey
|
|
}
|
|
|
|
return x, keys
|
|
}
|
|
|
|
type TcPeditKey struct {
|
|
Mask uint32
|
|
Val uint32
|
|
Off uint32
|
|
At uint32
|
|
OffMask uint32
|
|
Shift uint32
|
|
}
|
|
|
|
type TcPeditKeyEx struct {
|
|
HeaderType PeditHeaderType
|
|
Cmd PeditCmd
|
|
}
|
|
|
|
type TcPedit struct {
|
|
Sel TcPeditSel
|
|
Keys []TcPeditKey
|
|
KeysEx []TcPeditKeyEx
|
|
Extend uint8
|
|
}
|
|
|
|
func (p *TcPedit) Encode(parent *RtAttr) {
|
|
parent.AddRtAttr(TCA_ACT_KIND, ZeroTerminated("pedit"))
|
|
actOpts := parent.AddRtAttr(TCA_ACT_OPTIONS, nil)
|
|
|
|
bbuf := bytes.NewBuffer(make([]byte, 0, int(unsafe.Sizeof(p.Sel)+unsafe.Sizeof(p.Keys))))
|
|
|
|
bbuf.Write((*(*[SizeOfPeditSel]byte)(unsafe.Pointer(&p.Sel)))[:])
|
|
|
|
for i := uint8(0); i < p.Sel.NKeys; i++ {
|
|
bbuf.Write((*(*[SizeOfPeditKey]byte)(unsafe.Pointer(&p.Keys[i])))[:])
|
|
}
|
|
actOpts.AddRtAttr(TCA_PEDIT_PARMS_EX, bbuf.Bytes())
|
|
|
|
exAttrs := actOpts.AddRtAttr(int(TCA_PEDIT_KEYS_EX|NLA_F_NESTED), nil)
|
|
for i := uint8(0); i < p.Sel.NKeys; i++ {
|
|
keyAttr := exAttrs.AddRtAttr(int(TCA_PEDIT_KEY_EX|NLA_F_NESTED), nil)
|
|
|
|
htypeBuf := make([]byte, 2)
|
|
cmdBuf := make([]byte, 2)
|
|
|
|
NativeEndian().PutUint16(htypeBuf, uint16(p.KeysEx[i].HeaderType))
|
|
NativeEndian().PutUint16(cmdBuf, uint16(p.KeysEx[i].Cmd))
|
|
|
|
keyAttr.AddRtAttr(TCA_PEDIT_KEY_EX_HTYPE, htypeBuf)
|
|
keyAttr.AddRtAttr(TCA_PEDIT_KEY_EX_CMD, cmdBuf)
|
|
}
|
|
}
|
|
|
|
func (p *TcPedit) SetEthDst(mac net.HardwareAddr) {
|
|
u32 := NativeEndian().Uint32(mac)
|
|
u16 := NativeEndian().Uint16(mac[4:])
|
|
|
|
tKey := TcPeditKey{}
|
|
tKeyEx := TcPeditKeyEx{}
|
|
|
|
tKey.Val = u32
|
|
|
|
tKeyEx.HeaderType = TCA_PEDIT_KEY_EX_HDR_TYPE_ETH
|
|
tKeyEx.Cmd = TCA_PEDIT_KEY_EX_CMD_SET
|
|
|
|
p.Keys = append(p.Keys, tKey)
|
|
p.KeysEx = append(p.KeysEx, tKeyEx)
|
|
p.Sel.NKeys++
|
|
|
|
tKey = TcPeditKey{}
|
|
tKeyEx = TcPeditKeyEx{}
|
|
|
|
tKey.Val = uint32(u16)
|
|
tKey.Mask = 0xffff0000
|
|
tKey.Off = 4
|
|
tKeyEx.HeaderType = TCA_PEDIT_KEY_EX_HDR_TYPE_ETH
|
|
tKeyEx.Cmd = TCA_PEDIT_KEY_EX_CMD_SET
|
|
|
|
p.Keys = append(p.Keys, tKey)
|
|
p.KeysEx = append(p.KeysEx, tKeyEx)
|
|
|
|
p.Sel.NKeys++
|
|
}
|
|
|
|
func (p *TcPedit) SetEthSrc(mac net.HardwareAddr) {
|
|
u16 := NativeEndian().Uint16(mac)
|
|
u32 := NativeEndian().Uint32(mac[2:])
|
|
|
|
tKey := TcPeditKey{}
|
|
tKeyEx := TcPeditKeyEx{}
|
|
|
|
tKey.Val = uint32(u16) << 16
|
|
tKey.Mask = 0x0000ffff
|
|
tKey.Off = 4
|
|
|
|
tKeyEx.HeaderType = TCA_PEDIT_KEY_EX_HDR_TYPE_ETH
|
|
tKeyEx.Cmd = TCA_PEDIT_KEY_EX_CMD_SET
|
|
|
|
p.Keys = append(p.Keys, tKey)
|
|
p.KeysEx = append(p.KeysEx, tKeyEx)
|
|
p.Sel.NKeys++
|
|
|
|
tKey = TcPeditKey{}
|
|
tKeyEx = TcPeditKeyEx{}
|
|
|
|
tKey.Val = u32
|
|
tKey.Mask = 0
|
|
tKey.Off = 8
|
|
|
|
tKeyEx.HeaderType = TCA_PEDIT_KEY_EX_HDR_TYPE_ETH
|
|
tKeyEx.Cmd = TCA_PEDIT_KEY_EX_CMD_SET
|
|
|
|
p.Keys = append(p.Keys, tKey)
|
|
p.KeysEx = append(p.KeysEx, tKeyEx)
|
|
|
|
p.Sel.NKeys++
|
|
}
|
|
|
|
func (p *TcPedit) SetIPv6Src(ip6 net.IP) {
|
|
u32 := NativeEndian().Uint32(ip6[:4])
|
|
|
|
tKey := TcPeditKey{}
|
|
tKeyEx := TcPeditKeyEx{}
|
|
|
|
tKey.Val = u32
|
|
tKey.Off = 8
|
|
tKeyEx.HeaderType = TCA_PEDIT_KEY_EX_HDR_TYPE_IP6
|
|
tKeyEx.Cmd = TCA_PEDIT_KEY_EX_CMD_SET
|
|
|
|
p.Keys = append(p.Keys, tKey)
|
|
p.KeysEx = append(p.KeysEx, tKeyEx)
|
|
p.Sel.NKeys++
|
|
|
|
u32 = NativeEndian().Uint32(ip6[4:8])
|
|
tKey = TcPeditKey{}
|
|
tKeyEx = TcPeditKeyEx{}
|
|
|
|
tKey.Val = u32
|
|
tKey.Off = 12
|
|
tKeyEx.HeaderType = TCA_PEDIT_KEY_EX_HDR_TYPE_IP6
|
|
tKeyEx.Cmd = TCA_PEDIT_KEY_EX_CMD_SET
|
|
|
|
p.Keys = append(p.Keys, tKey)
|
|
p.KeysEx = append(p.KeysEx, tKeyEx)
|
|
|
|
p.Sel.NKeys++
|
|
|
|
u32 = NativeEndian().Uint32(ip6[8:12])
|
|
tKey = TcPeditKey{}
|
|
tKeyEx = TcPeditKeyEx{}
|
|
|
|
tKey.Val = u32
|
|
tKey.Off = 16
|
|
tKeyEx.HeaderType = TCA_PEDIT_KEY_EX_HDR_TYPE_IP6
|
|
tKeyEx.Cmd = TCA_PEDIT_KEY_EX_CMD_SET
|
|
|
|
p.Keys = append(p.Keys, tKey)
|
|
p.KeysEx = append(p.KeysEx, tKeyEx)
|
|
|
|
p.Sel.NKeys++
|
|
|
|
u32 = NativeEndian().Uint32(ip6[12:16])
|
|
tKey = TcPeditKey{}
|
|
tKeyEx = TcPeditKeyEx{}
|
|
|
|
tKey.Val = u32
|
|
tKey.Off = 20
|
|
tKeyEx.HeaderType = TCA_PEDIT_KEY_EX_HDR_TYPE_IP6
|
|
tKeyEx.Cmd = TCA_PEDIT_KEY_EX_CMD_SET
|
|
|
|
p.Keys = append(p.Keys, tKey)
|
|
p.KeysEx = append(p.KeysEx, tKeyEx)
|
|
|
|
p.Sel.NKeys++
|
|
}
|
|
|
|
func (p *TcPedit) SetDstIP(ip net.IP) {
|
|
if ip.To4() != nil {
|
|
p.SetIPv4Dst(ip)
|
|
} else {
|
|
p.SetIPv6Dst(ip)
|
|
}
|
|
}
|
|
|
|
func (p *TcPedit) SetSrcIP(ip net.IP) {
|
|
if ip.To4() != nil {
|
|
p.SetIPv4Src(ip)
|
|
} else {
|
|
p.SetIPv6Src(ip)
|
|
}
|
|
}
|
|
|
|
func (p *TcPedit) SetIPv6Dst(ip6 net.IP) {
|
|
u32 := NativeEndian().Uint32(ip6[:4])
|
|
|
|
tKey := TcPeditKey{}
|
|
tKeyEx := TcPeditKeyEx{}
|
|
|
|
tKey.Val = u32
|
|
tKey.Off = 24
|
|
tKeyEx.HeaderType = TCA_PEDIT_KEY_EX_HDR_TYPE_IP6
|
|
tKeyEx.Cmd = TCA_PEDIT_KEY_EX_CMD_SET
|
|
|
|
p.Keys = append(p.Keys, tKey)
|
|
p.KeysEx = append(p.KeysEx, tKeyEx)
|
|
p.Sel.NKeys++
|
|
|
|
u32 = NativeEndian().Uint32(ip6[4:8])
|
|
tKey = TcPeditKey{}
|
|
tKeyEx = TcPeditKeyEx{}
|
|
|
|
tKey.Val = u32
|
|
tKey.Off = 28
|
|
tKeyEx.HeaderType = TCA_PEDIT_KEY_EX_HDR_TYPE_IP6
|
|
tKeyEx.Cmd = TCA_PEDIT_KEY_EX_CMD_SET
|
|
|
|
p.Keys = append(p.Keys, tKey)
|
|
p.KeysEx = append(p.KeysEx, tKeyEx)
|
|
|
|
p.Sel.NKeys++
|
|
|
|
u32 = NativeEndian().Uint32(ip6[8:12])
|
|
tKey = TcPeditKey{}
|
|
tKeyEx = TcPeditKeyEx{}
|
|
|
|
tKey.Val = u32
|
|
tKey.Off = 32
|
|
tKeyEx.HeaderType = TCA_PEDIT_KEY_EX_HDR_TYPE_IP6
|
|
tKeyEx.Cmd = TCA_PEDIT_KEY_EX_CMD_SET
|
|
|
|
p.Keys = append(p.Keys, tKey)
|
|
p.KeysEx = append(p.KeysEx, tKeyEx)
|
|
|
|
p.Sel.NKeys++
|
|
|
|
u32 = NativeEndian().Uint32(ip6[12:16])
|
|
tKey = TcPeditKey{}
|
|
tKeyEx = TcPeditKeyEx{}
|
|
|
|
tKey.Val = u32
|
|
tKey.Off = 36
|
|
tKeyEx.HeaderType = TCA_PEDIT_KEY_EX_HDR_TYPE_IP6
|
|
tKeyEx.Cmd = TCA_PEDIT_KEY_EX_CMD_SET
|
|
|
|
p.Keys = append(p.Keys, tKey)
|
|
p.KeysEx = append(p.KeysEx, tKeyEx)
|
|
|
|
p.Sel.NKeys++
|
|
}
|
|
|
|
func (p *TcPedit) SetIPv4Src(ip net.IP) {
|
|
u32 := NativeEndian().Uint32(ip[:4])
|
|
|
|
tKey := TcPeditKey{}
|
|
tKeyEx := TcPeditKeyEx{}
|
|
|
|
tKey.Val = u32
|
|
tKey.Off = 12
|
|
tKeyEx.HeaderType = TCA_PEDIT_KEY_EX_HDR_TYPE_IP4
|
|
tKeyEx.Cmd = TCA_PEDIT_KEY_EX_CMD_SET
|
|
|
|
p.Keys = append(p.Keys, tKey)
|
|
p.KeysEx = append(p.KeysEx, tKeyEx)
|
|
p.Sel.NKeys++
|
|
}
|
|
|
|
func (p *TcPedit) SetIPv4Dst(ip net.IP) {
|
|
u32 := NativeEndian().Uint32(ip[:4])
|
|
|
|
tKey := TcPeditKey{}
|
|
tKeyEx := TcPeditKeyEx{}
|
|
|
|
tKey.Val = u32
|
|
tKey.Off = 16
|
|
tKeyEx.HeaderType = TCA_PEDIT_KEY_EX_HDR_TYPE_IP4
|
|
tKeyEx.Cmd = TCA_PEDIT_KEY_EX_CMD_SET
|
|
|
|
p.Keys = append(p.Keys, tKey)
|
|
p.KeysEx = append(p.KeysEx, tKeyEx)
|
|
p.Sel.NKeys++
|
|
}
|
|
|
|
// SetDstPort only tcp and udp are supported to set port
|
|
func (p *TcPedit) SetDstPort(dstPort uint16, protocol uint8) {
|
|
tKey := TcPeditKey{}
|
|
tKeyEx := TcPeditKeyEx{}
|
|
|
|
switch protocol {
|
|
case unix.IPPROTO_TCP:
|
|
tKeyEx.HeaderType = TCA_PEDIT_KEY_EX_HDR_TYPE_TCP
|
|
case unix.IPPROTO_UDP:
|
|
tKeyEx.HeaderType = TCA_PEDIT_KEY_EX_HDR_TYPE_UDP
|
|
default:
|
|
return
|
|
}
|
|
|
|
tKeyEx.Cmd = TCA_PEDIT_KEY_EX_CMD_SET
|
|
|
|
tKey.Val = uint32(Swap16(dstPort)) << 16
|
|
tKey.Mask = 0x0000ffff
|
|
p.Keys = append(p.Keys, tKey)
|
|
p.KeysEx = append(p.KeysEx, tKeyEx)
|
|
p.Sel.NKeys++
|
|
}
|
|
|
|
// SetSrcPort only tcp and udp are supported to set port
|
|
func (p *TcPedit) SetSrcPort(srcPort uint16, protocol uint8) {
|
|
tKey := TcPeditKey{}
|
|
tKeyEx := TcPeditKeyEx{}
|
|
|
|
switch protocol {
|
|
case unix.IPPROTO_TCP:
|
|
tKeyEx.HeaderType = TCA_PEDIT_KEY_EX_HDR_TYPE_TCP
|
|
case unix.IPPROTO_UDP:
|
|
tKeyEx.HeaderType = TCA_PEDIT_KEY_EX_HDR_TYPE_UDP
|
|
default:
|
|
return
|
|
}
|
|
|
|
tKeyEx.Cmd = TCA_PEDIT_KEY_EX_CMD_SET
|
|
|
|
tKey.Val = uint32(Swap16(srcPort))
|
|
tKey.Mask = 0xffff0000
|
|
p.Keys = append(p.Keys, tKey)
|
|
p.KeysEx = append(p.KeysEx, tKeyEx)
|
|
p.Sel.NKeys++
|
|
}
|