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optimize: use bpf_map to reduce insns

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This commit is contained in:
mzz2017
2023-01-28 11:47:02 +08:00
parent af22a9b0e6
commit 1eaaa4349c
5 changed files with 146 additions and 100 deletions
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8
component/control/bpf_utils.go
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@ -11,12 +11,12 @@ import (
"net/netip"
)
type bpfLpmKey struct {
type _bpfLpmKey struct {
PrefixLen uint32
Data [4]uint32
}
func (o *bpfObjects) newLpmMap(keys []bpfLpmKey, values []uint32) (m *ebpf.Map, err error) {
func (o *bpfObjects) newLpmMap(keys []_bpfLpmKey, values []uint32) (m *ebpf.Map, err error) {
m, err = ebpf.NewMap(&ebpf.MapSpec{
Type: ebpf.LPMTrie,
Flags: o.UnusedLpmType.Flags(),
@ -39,13 +39,13 @@ func swap16(a uint16) uint16 {
return (a >> 8) + ((a & 0xFF) << 8)
}
func cidrToBpfLpmKey(prefix netip.Prefix) bpfLpmKey {
func cidrToBpfLpmKey(prefix netip.Prefix) _bpfLpmKey {
bits := prefix.Bits()
if prefix.Addr().Is4() {
bits += 96
}
ip := prefix.Addr().As16()
return bpfLpmKey{
return _bpfLpmKey{
PrefixLen: uint32(bits),
Data: common.Ipv6ByteSliceToUint32Array(ip[:]),
}