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remove awful per-packet scratch buf

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This commit is contained in:
JackDoan
2025-12-19 13:37:36 -06:00
parent 188b20457e
commit aeded87e71
4 changed files with 33 additions and 28 deletions
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6
interface.go
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@@ -291,16 +291,14 @@ func (f *Interface) listenOut(q int) {
h := &header.H{}
fwPacket := &firewall.Packet{}
nb := make([]byte, 12, 12)
scratch := make([]byte, udp.MTU)
toSend := make([][]byte, batch)
li.ListenOut(func(pkts []*packet.UDPPacket) {
toSend = toSend[:0]
for i := range outPackets {
outPackets[i].SegCounter = 0
}
f.readOutsidePacketsMany(pkts, outPackets, h, fwPacket, lhh, nb, q, ctCache.Get(f.l), time.Now())
f.readOutsidePacketsMany(pkts, outPackets, h, fwPacket, lhh, nb, scratch, q, ctCache.Get(f.l), time.Now())
//we opportunistically tx, but try to also send stragglers
if _, err := f.readers[q].WriteMany(outPackets, q); err != nil {
f.l.WithError(err).Error("Failed to send packets")