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only add an ECN control message if ECN is supported

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This commit is contained in:
Marten Seemann 2023-08-31 13:06:37 +07:00
parent 5dd6d91c11
commit b73a4de7ea
12 changed files with 90 additions and 29 deletions
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5
sys_conn.go
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@ -104,10 +104,13 @@ func (c *basicConn) ReadPacket() (receivedPacket, error) {
}, nil
}
func (c *basicConn) WritePacket(b []byte, addr net.Addr, _ []byte, gsoSize uint16, _ protocol.ECN) (n int, err error) {
func (c *basicConn) WritePacket(b []byte, addr net.Addr, _ []byte, gsoSize uint16, ecn protocol.ECN) (n int, err error) {
if gsoSize != 0 {
panic("cannot use GSO with a basicConn")
}
if ecn != protocol.ECNUnsupported {
panic("cannot use ECN with a basicConn")
}
return c.PacketConn.WriteTo(b, addr)
}