cursed gso

packet/packet.go

@@ -3,27 +3,36 @@ package packet
 import (
 	"net/netip"
 	"sync"
+
+	"golang.org/x/sys/unix"
 )
 
-const Size = 9001
+const Size = 0xffff
 
 type Packet struct {
 	Payload []byte
+	Control []byte
+	SegSize int
 	Addr    netip.AddrPort
 }
 
 func New() *Packet {
-	return &Packet{Payload: make([]byte, Size)}
+	return &Packet{
+		Payload: make([]byte, Size),
+		Control: make([]byte, unix.CmsgSpace(2)),
+	}
 }
 
 type Pool struct {
 	pool sync.Pool
 }
 
-func NewPool() *Pool {
-	return &Pool{
-		pool: sync.Pool{New: func() any { return New() }},
-	}
+var bigPool = &Pool{
+	pool: sync.Pool{New: func() any { return New() }},
+}
+
+func GetPool() *Pool {
+	return bigPool
 }
 
 func (p *Pool) Get() *Packet {