/
prog-common.go
239 lines (217 loc) · 12 KB
/
prog-common.go
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package libbpfgo
/*
#cgo LDFLAGS: -lelf -lz
#include "libbpfgo.h"
*/
import "C"
//
// BPFProgType
//
// BPFProgType is an enum as defined in https://elixir.bootlin.com/linux/latest/source/include/uapi/linux/bpf.h
type BPFProgType uint32
const (
BPFProgTypeUnspec BPFProgType = C.BPF_PROG_TYPE_UNSPEC
BPFProgTypeSocketFilter BPFProgType = C.BPF_PROG_TYPE_SOCKET_FILTER
BPFProgTypeKprobe BPFProgType = C.BPF_PROG_TYPE_KPROBE
BPFProgTypeSchedCls BPFProgType = C.BPF_PROG_TYPE_SCHED_CLS
BPFProgTypeSchedAct BPFProgType = C.BPF_PROG_TYPE_SCHED_ACT
BPFProgTypeTracepoint BPFProgType = C.BPF_PROG_TYPE_TRACEPOINT
BPFProgTypeXdp BPFProgType = C.BPF_PROG_TYPE_XDP
BPFProgTypePerfEvent BPFProgType = C.BPF_PROG_TYPE_PERF_EVENT
BPFProgTypeCgroupSkb BPFProgType = C.BPF_PROG_TYPE_CGROUP_SKB
BPFProgTypeCgroupSock BPFProgType = C.BPF_PROG_TYPE_CGROUP_SOCK
BPFProgTypeLwtIn BPFProgType = C.BPF_PROG_TYPE_LWT_IN
BPFProgTypeLwtOut BPFProgType = C.BPF_PROG_TYPE_LWT_OUT
BPFProgTypeLwtXmit BPFProgType = C.BPF_PROG_TYPE_LWT_XMIT
BPFProgTypeSockOps BPFProgType = C.BPF_PROG_TYPE_SOCK_OPS
BPFProgTypeSkSkb BPFProgType = C.BPF_PROG_TYPE_SK_SKB
BPFProgTypeCgroupDevice BPFProgType = C.BPF_PROG_TYPE_CGROUP_DEVICE
BPFProgTypeSkMsg BPFProgType = C.BPF_PROG_TYPE_SK_MSG
BPFProgTypeRawTracepoint BPFProgType = C.BPF_PROG_TYPE_RAW_TRACEPOINT
BPFProgTypeCgroupSockAddr BPFProgType = C.BPF_PROG_TYPE_CGROUP_SOCK_ADDR
BPFProgTypeLwtSeg6Local BPFProgType = C.BPF_PROG_TYPE_LWT_SEG6LOCAL
BPFProgTypeLircMode2 BPFProgType = C.BPF_PROG_TYPE_LIRC_MODE2
BPFProgTypeSkReuseport BPFProgType = C.BPF_PROG_TYPE_SK_REUSEPORT
BPFProgTypeFlowDissector BPFProgType = C.BPF_PROG_TYPE_FLOW_DISSECTOR
BPFProgTypeCgroupSysctl BPFProgType = C.BPF_PROG_TYPE_CGROUP_SYSCTL
BPFProgTypeRawTracepointWritable BPFProgType = C.BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE
BPFProgTypeCgroupSockopt BPFProgType = C.BPF_PROG_TYPE_CGROUP_SOCKOPT
BPFProgTypeTracing BPFProgType = C.BPF_PROG_TYPE_TRACING
BPFProgTypeStructOps BPFProgType = C.BPF_PROG_TYPE_STRUCT_OPS
BPFProgTypeExt BPFProgType = C.BPF_PROG_TYPE_EXT
BPFProgTypeLsm BPFProgType = C.BPF_PROG_TYPE_LSM
BPFProgTypeSkLookup BPFProgType = C.BPF_PROG_TYPE_SK_LOOKUP
BPFProgTypeSyscall BPFProgType = C.BPF_PROG_TYPE_SYSCALL
)
// Deprecated: Convert type directly instead.
func (t BPFProgType) Value() uint64 { return uint64(t) }
var bpfProgTypeToString = map[BPFProgType]string{
BPFProgTypeUnspec: "BPF_PROG_TYPE_UNSPEC",
BPFProgTypeSocketFilter: "BPF_PROG_TYPE_SOCKET_FILTER",
BPFProgTypeKprobe: "BPF_PROG_TYPE_KPROBE",
BPFProgTypeSchedCls: "BPF_PROG_TYPE_SCHED_CLS",
BPFProgTypeSchedAct: "BPF_PROG_TYPE_SCHED_ACT",
BPFProgTypeTracepoint: "BPF_PROG_TYPE_TRACEPOINT",
BPFProgTypeXdp: "BPF_PROG_TYPE_XDP",
BPFProgTypePerfEvent: "BPF_PROG_TYPE_PERF_EVENT",
BPFProgTypeCgroupSkb: "BPF_PROG_TYPE_CGROUP_SKB",
BPFProgTypeCgroupSock: "BPF_PROG_TYPE_CGROUP_SOCK",
BPFProgTypeLwtIn: "BPF_PROG_TYPE_LWT_IN",
BPFProgTypeLwtOut: "BPF_PROG_TYPE_LWT_OUT",
BPFProgTypeLwtXmit: "BPF_PROG_TYPE_LWT_XMIT",
BPFProgTypeSockOps: "BPF_PROG_TYPE_SOCK_OPS",
BPFProgTypeSkSkb: "BPF_PROG_TYPE_SK_SKB",
BPFProgTypeCgroupDevice: "BPF_PROG_TYPE_CGROUP_DEVICE",
BPFProgTypeSkMsg: "BPF_PROG_TYPE_SK_MSG",
BPFProgTypeRawTracepoint: "BPF_PROG_TYPE_RAW_TRACEPOINT",
BPFProgTypeCgroupSockAddr: "BPF_PROG_TYPE_CGROUP_SOCK_ADDR",
BPFProgTypeLwtSeg6Local: "BPF_PROG_TYPE_LWT_SEG6LOCAL",
BPFProgTypeLircMode2: "BPF_PROG_TYPE_LIRC_MODE2",
BPFProgTypeSkReuseport: "BPF_PROG_TYPE_SK_REUSEPORT",
BPFProgTypeFlowDissector: "BPF_PROG_TYPE_FLOW_DISSECTOR",
BPFProgTypeCgroupSysctl: "BPF_PROG_TYPE_CGROUP_SYSCTL",
BPFProgTypeRawTracepointWritable: "BPF_PROG_TYPE_RAW_TRACEPOINT_WRITABLE",
BPFProgTypeCgroupSockopt: "BPF_PROG_TYPE_CGROUP_SOCKOPT",
BPFProgTypeTracing: "BPF_PROG_TYPE_TRACING",
BPFProgTypeStructOps: "BPF_PROG_TYPE_STRUCT_OPS",
BPFProgTypeExt: "BPF_PROG_TYPE_EXT",
BPFProgTypeLsm: "BPF_PROG_TYPE_LSM",
BPFProgTypeSkLookup: "BPF_PROG_TYPE_SK_LOOKUP",
BPFProgTypeSyscall: "BPF_PROG_TYPE_SYSCALL",
}
func (t BPFProgType) String() string {
str, ok := bpfProgTypeToString[t]
if !ok {
// BPFProgTypeUnspec must exist in bpfProgTypeToString to avoid infinite recursion.
return BPFProgTypeUnspec.String()
}
return str
}
func (t BPFProgType) Name() string {
return C.GoString(C.libbpf_bpf_prog_type_str(C.enum_bpf_prog_type(t)))
}
//
// BPFAttachType
//
type BPFAttachType uint32
const (
BPFAttachTypeCgroupInetIngress BPFAttachType = C.BPF_CGROUP_INET_INGRESS
BPFAttachTypeCgroupInetEgress BPFAttachType = C.BPF_CGROUP_INET_EGRESS
BPFAttachTypeCgroupInetSockCreate BPFAttachType = C.BPF_CGROUP_INET_SOCK_CREATE
BPFAttachTypeCgroupSockOps BPFAttachType = C.BPF_CGROUP_SOCK_OPS
BPFAttachTypeSKSKBStreamParser BPFAttachType = C.BPF_SK_SKB_STREAM_PARSER
BPFAttachTypeSKSKBStreamVerdict BPFAttachType = C.BPF_SK_SKB_STREAM_VERDICT
BPFAttachTypeCgroupDevice BPFAttachType = C.BPF_CGROUP_DEVICE
BPFAttachTypeSKMSGVerdict BPFAttachType = C.BPF_SK_MSG_VERDICT
BPFAttachTypeCgroupInet4Bind BPFAttachType = C.BPF_CGROUP_INET4_BIND
BPFAttachTypeCgroupInet6Bind BPFAttachType = C.BPF_CGROUP_INET6_BIND
BPFAttachTypeCgroupInet4Connect BPFAttachType = C.BPF_CGROUP_INET4_CONNECT
BPFAttachTypeCgroupInet6Connect BPFAttachType = C.BPF_CGROUP_INET6_CONNECT
BPFAttachTypeCgroupInet4PostBind BPFAttachType = C.BPF_CGROUP_INET4_POST_BIND
BPFAttachTypeCgroupInet6PostBind BPFAttachType = C.BPF_CGROUP_INET6_POST_BIND
BPFAttachTypeCgroupUDP4SendMsg BPFAttachType = C.BPF_CGROUP_UDP4_SENDMSG
BPFAttachTypeCgroupUDP6SendMsg BPFAttachType = C.BPF_CGROUP_UDP6_SENDMSG
BPFAttachTypeLircMode2 BPFAttachType = C.BPF_LIRC_MODE2
BPFAttachTypeFlowDissector BPFAttachType = C.BPF_FLOW_DISSECTOR
BPFAttachTypeCgroupSysctl BPFAttachType = C.BPF_CGROUP_SYSCTL
BPFAttachTypeCgroupUDP4RecvMsg BPFAttachType = C.BPF_CGROUP_UDP4_RECVMSG
BPFAttachTypeCgroupUDP6RecvMsg BPFAttachType = C.BPF_CGROUP_UDP6_RECVMSG
BPFAttachTypeCgroupGetSockOpt BPFAttachType = C.BPF_CGROUP_GETSOCKOPT
BPFAttachTypeCgroupSetSockOpt BPFAttachType = C.BPF_CGROUP_SETSOCKOPT
BPFAttachTypeTraceRawTP BPFAttachType = C.BPF_TRACE_RAW_TP
BPFAttachTypeTraceFentry BPFAttachType = C.BPF_TRACE_FENTRY
BPFAttachTypeTraceFexit BPFAttachType = C.BPF_TRACE_FEXIT
BPFAttachTypeModifyReturn BPFAttachType = C.BPF_MODIFY_RETURN
BPFAttachTypeLSMMac BPFAttachType = C.BPF_LSM_MAC
BPFAttachTypeTraceIter BPFAttachType = C.BPF_TRACE_ITER
BPFAttachTypeCgroupInet4GetPeerName BPFAttachType = C.BPF_CGROUP_INET4_GETPEERNAME
BPFAttachTypeCgroupInet6GetPeerName BPFAttachType = C.BPF_CGROUP_INET6_GETPEERNAME
BPFAttachTypeCgroupInet4GetSockName BPFAttachType = C.BPF_CGROUP_INET4_GETSOCKNAME
BPFAttachTypeCgroupInet6GetSockName BPFAttachType = C.BPF_CGROUP_INET6_GETSOCKNAME
BPFAttachTypeXDPDevMap BPFAttachType = C.BPF_XDP_DEVMAP
BPFAttachTypeCgroupInetSockRelease BPFAttachType = C.BPF_CGROUP_INET_SOCK_RELEASE
BPFAttachTypeXDPCPUMap BPFAttachType = C.BPF_XDP_CPUMAP
BPFAttachTypeSKLookup BPFAttachType = C.BPF_SK_LOOKUP
BPFAttachTypeXDP BPFAttachType = C.BPF_XDP
BPFAttachTypeSKSKBVerdict BPFAttachType = C.BPF_SK_SKB_VERDICT
BPFAttachTypeSKReusePortSelect BPFAttachType = C.BPF_SK_REUSEPORT_SELECT
BPFAttachTypeSKReusePortSelectorMigrate BPFAttachType = C.BPF_SK_REUSEPORT_SELECT_OR_MIGRATE
BPFAttachTypePerfEvent BPFAttachType = C.BPF_PERF_EVENT
BPFAttachTypeTraceKprobeMulti BPFAttachType = C.BPF_TRACE_KPROBE_MULTI
)
var bpfAttachTypeToString = map[BPFAttachType]string{
BPFAttachTypeCgroupInetIngress: "BPF_CGROUP_INET_INGRESS",
BPFAttachTypeCgroupInetEgress: "BPF_CGROUP_INET_EGRESS",
BPFAttachTypeCgroupInetSockCreate: "BPF_CGROUP_INET_SOCK_CREATE",
BPFAttachTypeCgroupSockOps: "BPF_CGROUP_SOCK_OPS",
BPFAttachTypeSKSKBStreamParser: "BPF_SK_SKB_STREAM_PARSER",
BPFAttachTypeSKSKBStreamVerdict: "BPF_SK_SKB_STREAM_VERDICT",
BPFAttachTypeCgroupDevice: "BPF_CGROUP_DEVICE",
BPFAttachTypeSKMSGVerdict: "BPF_SK_MSG_VERDICT",
BPFAttachTypeCgroupInet4Bind: "BPF_CGROUP_INET4_BIND",
BPFAttachTypeCgroupInet6Bind: "BPF_CGROUP_INET6_BIND",
BPFAttachTypeCgroupInet4Connect: "BPF_CGROUP_INET4_CONNECT",
BPFAttachTypeCgroupInet6Connect: "BPF_CGROUP_INET6_CONNECT",
BPFAttachTypeCgroupInet4PostBind: "BPF_CGROUP_INET4_POST_BIND",
BPFAttachTypeCgroupInet6PostBind: "BPF_CGROUP_INET6_POST_BIND",
BPFAttachTypeCgroupUDP4SendMsg: "BPF_CGROUP_UDP4_SENDMSG",
BPFAttachTypeCgroupUDP6SendMsg: "BPF_CGROUP_UDP6_SENDMSG",
BPFAttachTypeLircMode2: "BPF_LIRC_MODE2",
BPFAttachTypeFlowDissector: "BPF_FLOW_DISSECTOR",
BPFAttachTypeCgroupSysctl: "BPF_CGROUP_SYSCTL",
BPFAttachTypeCgroupUDP4RecvMsg: "BPF_CGROUP_UDP4_RECVMSG",
BPFAttachTypeCgroupUDP6RecvMsg: "BPF_CGROUP_UDP6_RECVMSG",
BPFAttachTypeCgroupGetSockOpt: "BPF_CGROUP_GETSOCKOPT",
BPFAttachTypeCgroupSetSockOpt: "BPF_CGROUP_SETSOCKOPT",
BPFAttachTypeTraceRawTP: "BPF_TRACE_RAW_TP",
BPFAttachTypeTraceFentry: "BPF_TRACE_FENTRY",
BPFAttachTypeTraceFexit: "BPF_TRACE_FEXIT",
BPFAttachTypeModifyReturn: "BPF_MODIFY_RETURN",
BPFAttachTypeLSMMac: "BPF_LSM_MAC",
BPFAttachTypeTraceIter: "BPF_TRACE_ITER",
BPFAttachTypeCgroupInet4GetPeerName: "BPF_CGROUP_INET4_GETPEERNAME",
BPFAttachTypeCgroupInet6GetPeerName: "BPF_CGROUP_INET6_GETPEERNAME",
BPFAttachTypeCgroupInet4GetSockName: "BPF_CGROUP_INET4_GETSOCKNAME",
BPFAttachTypeCgroupInet6GetSockName: "BPF_CGROUP_INET6_GETSOCKNAME",
BPFAttachTypeXDPDevMap: "BPF_XDP_DEVMAP",
BPFAttachTypeCgroupInetSockRelease: "BPF_CGROUP_INET_SOCK_RELEASE",
BPFAttachTypeXDPCPUMap: "BPF_XDP_CPUMAP",
BPFAttachTypeSKLookup: "BPF_SK_LOOKUP",
BPFAttachTypeXDP: "BPF_XDP",
BPFAttachTypeSKSKBVerdict: "BPF_SK_SKB_VERDICT",
BPFAttachTypeSKReusePortSelect: "BPF_SK_REUSEPORT_SELECT",
BPFAttachTypeSKReusePortSelectorMigrate: "BPF_SK_REUSEPORT_SELECT_OR_MIGRATE",
BPFAttachTypePerfEvent: "BPF_PERF_EVENT",
BPFAttachTypeTraceKprobeMulti: "BPF_TRACE_KPROBE_MULTI",
}
func (t BPFAttachType) String() string {
str, ok := bpfAttachTypeToString[t]
if !ok {
return "BPFAttachType unspecified"
}
return str
}
func (t BPFAttachType) Name() string {
return C.GoString(C.libbpf_bpf_attach_type_str(C.enum_bpf_attach_type(t)))
}
//
// BPFCgroupIterOrder
//
type BPFCgroupIterOrder uint32
const (
BPFIterOrderUnspec BPFCgroupIterOrder = iota
BPFIterSelfOnly
BPFIterDescendantsPre
BPFIterDescendantsPost
BPFIterAncestorsUp
)
//
// AttachFlag
//
type AttachFlag uint32
const (
BPFFNone AttachFlag = 0
BPFFAllowOverride AttachFlag = C.BPF_F_ALLOW_OVERRIDE
BPFFAllowMulti AttachFlag = C.BPF_F_ALLOW_MULTI
BPFFReplace AttachFlag = C.BPF_F_REPLACE
)