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why does it work

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This commit is contained in:
JackDoan 2025-11-11 19:02:16 -06:00
parent 400fdace9d
commit 17a6917428
6 changed files with 251 additions and 9 deletions
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13
interface.go
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@ -318,15 +318,16 @@ func (f *Interface) listenIn(reader overlay.TunDev, queueNum int) {
for i := 0; i < batch; i++ {
originalPackets[i] = make([]byte, 0xffff)
}
out := make([]byte, mtu)
fwPacket := &firewall.Packet{}
nb := make([]byte, 12, 12)
conntrackCache := firewall.NewConntrackCacheTicker(f.conntrackCacheTimeout)
packets := make([]*packet.VirtIOPacket, batch)
outPackets := make([]*packet.Packet, batch)
for i := 0; i < batch; i++ {
packets[i] = packet.NewVIO()
outPackets[i] = packet.New(false) //todo?
}
for {
@ -343,9 +344,13 @@ func (f *Interface) listenIn(reader overlay.TunDev, queueNum int) {
os.Exit(2)
}
//todo vectorize
for _, pkt := range packets[:n] {
f.consumeInsidePacket(pkt.Payload, fwPacket, nb, out, queueNum, conntrackCache.Get(f.l))
for i, pkt := range packets[:n] {
outPackets[i].OutLen = -1
f.consumeInsidePacket(pkt.Payload, fwPacket, nb, outPackets[i], queueNum, conntrackCache.Get(f.l))
}
_, err = f.writers[queueNum].WriteBatch(outPackets[:n])
if err != nil {
f.l.WithError(err).Error("Error while writing outbound packets")
}
}