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size arena to match batch size

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This commit is contained in:
JackDoan
2026-05-13 15:07:21 -05:00
parent 13ebc1b343
commit 697294a676
3 changed files with 9 additions and 5 deletions
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9
interface.go
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@@ -41,6 +41,7 @@ type InterfaceConfig struct {
DropLocalBroadcast bool
DropMulticast bool
routines int
batchSize int
MessageMetrics *MessageMetrics
version string
relayManager *relayManager
@@ -80,6 +81,7 @@ type Interface struct {
dropLocalBroadcast bool
dropMulticast bool
routines int
batchSize int
disconnectInvalid atomic.Bool
closed atomic.Bool
// cpuAffinity, when non-empty, names the CPUs each TUN reader goroutine
@@ -209,6 +211,7 @@ func NewInterface(ctx context.Context, c *InterfaceConfig) (*Interface, error) {
dropLocalBroadcast: c.DropLocalBroadcast,
dropMulticast: c.DropMulticast,
routines: c.routines,
batchSize: c.batchSize,
version: c.version,
writers: make([]udp.Conn, c.routines),
readers: make([]tio.Queue, c.routines),
@@ -286,11 +289,11 @@ func (f *Interface) activate() error {
// is on, everything else (and either lane disabled) falls
// through to passthrough so non-IP / non-TCP-UDP traffic still
// reaches the TUN.
arena := batch.NewArena(batch.DefaultMultiArenaCap)
arena := batch.NewArena(max(f.batchSize, 1) * 65535)
f.batchers[i] = batch.NewMultiCoalescer(f.readers[i], f.l, arena, caps.TSO, caps.USO)
} else {
arena := batch.NewArena(batch.DefaultPassthroughArenaCap)
f.batchers[i] = batch.NewPassthrough(f.readers[i], arena)
arena := batch.NewArena(max(f.batchSize, 1) * udp.MTU)
f.batchers[i] = batch.NewPassthrough(f.readers[i], f.batchSize, arena)
}
}