mirror of
https://github.com/k3s-io/k3s.git
synced 2024-06-07 19:41:36 +00:00
676 lines
12 KiB
Go
676 lines
12 KiB
Go
package nl
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import (
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"unsafe"
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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_MAX = TCA_STAB
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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_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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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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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 = 0x14
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SizeofTcMirred = SizeofTcGen + 0x08
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SizeofTcPolice = 2*SizeofTcRateSpec + 0x20
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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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// 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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// 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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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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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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func (x *TcHtbCopt) Serialize() []byte {
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return (*(*[SizeofTcHtbCopt]byte)(unsafe.Pointer(x)))[:]
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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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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 {
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return (*(*[SizeofTcHtbGlob]byte)(unsafe.Pointer(x)))[:]
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}
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const (
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TCA_U32_UNSPEC = iota
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TCA_U32_CLASSID
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TCA_U32_HASH
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TCA_U32_LINK
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TCA_U32_DIVISOR
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TCA_U32_SEL
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TCA_U32_POLICE
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TCA_U32_ACT
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TCA_U32_INDEV
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TCA_U32_PCNT
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TCA_U32_MARK
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TCA_U32_MAX = TCA_U32_MARK
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)
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// struct tc_u32_key {
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// __be32 mask;
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// __be32 val;
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// int off;
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// int offmask;
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// };
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type TcU32Key struct {
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Mask uint32 // big endian
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Val uint32 // big endian
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Off int32
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OffMask int32
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}
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func (msg *TcU32Key) Len() int {
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return SizeofTcU32Key
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}
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func DeserializeTcU32Key(b []byte) *TcU32Key {
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return (*TcU32Key)(unsafe.Pointer(&b[0:SizeofTcU32Key][0]))
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}
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func (x *TcU32Key) Serialize() []byte {
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return (*(*[SizeofTcU32Key]byte)(unsafe.Pointer(x)))[:]
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}
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// struct tc_u32_sel {
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// unsigned char flags;
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// unsigned char offshift;
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// unsigned char nkeys;
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//
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// __be16 offmask;
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// __u16 off;
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// short offoff;
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//
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// short hoff;
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// __be32 hmask;
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// struct tc_u32_key keys[0];
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// };
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const (
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TC_U32_TERMINAL = 1 << iota
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TC_U32_OFFSET = 1 << iota
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TC_U32_VAROFFSET = 1 << iota
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TC_U32_EAT = 1 << iota
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)
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type TcU32Sel struct {
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Flags uint8
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Offshift uint8
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Nkeys uint8
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Pad uint8
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Offmask uint16 // big endian
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Off uint16
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Offoff int16
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Hoff int16
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Hmask uint32 // big endian
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Keys []TcU32Key
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}
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func (msg *TcU32Sel) Len() int {
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return SizeofTcU32Sel + int(msg.Nkeys)*SizeofTcU32Key
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}
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func DeserializeTcU32Sel(b []byte) *TcU32Sel {
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x := &TcU32Sel{}
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copy((*(*[SizeofTcU32Sel]byte)(unsafe.Pointer(x)))[:], b)
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next := SizeofTcU32Sel
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var i uint8
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for i = 0; i < x.Nkeys; i++ {
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x.Keys = append(x.Keys, *DeserializeTcU32Key(b[next:]))
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next += SizeofTcU32Key
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}
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return x
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}
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func (x *TcU32Sel) Serialize() []byte {
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// This can't just unsafe.cast because it must iterate through keys.
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buf := make([]byte, x.Len())
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copy(buf, (*(*[SizeofTcU32Sel]byte)(unsafe.Pointer(x)))[:])
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next := SizeofTcU32Sel
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for _, key := range x.Keys {
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keyBuf := key.Serialize()
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copy(buf[next:], keyBuf)
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next += SizeofTcU32Key
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}
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return buf
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}
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type TcGen struct {
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Index uint32
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Capab uint32
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Action int32
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Refcnt int32
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Bindcnt int32
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}
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func (msg *TcGen) Len() int {
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return SizeofTcGen
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}
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func DeserializeTcGen(b []byte) *TcGen {
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return (*TcGen)(unsafe.Pointer(&b[0:SizeofTcGen][0]))
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}
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func (x *TcGen) Serialize() []byte {
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return (*(*[SizeofTcGen]byte)(unsafe.Pointer(x)))[:]
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}
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|
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// #define tc_gen \
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// __u32 index; \
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// __u32 capab; \
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// int action; \
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// int refcnt; \
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// int bindcnt
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|
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const (
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TCA_ACT_GACT = 5
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)
|
|
|
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const (
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TCA_GACT_UNSPEC = iota
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TCA_GACT_TM
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TCA_GACT_PARMS
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TCA_GACT_PROB
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TCA_GACT_MAX = TCA_GACT_PROB
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)
|
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|
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type TcGact TcGen
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const (
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TCA_ACT_BPF = 13
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)
|
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|
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const (
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TCA_ACT_BPF_UNSPEC = iota
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TCA_ACT_BPF_TM
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TCA_ACT_BPF_PARMS
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TCA_ACT_BPF_OPS_LEN
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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_MAX = TCA_BPF_FLAGS
|
|
)
|
|
|
|
type TcBpf TcGen
|
|
|
|
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)))[:]
|
|
}
|
|
|
|
// 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
|
|
)
|