add support for writing the ECN control message (Linux, macOS)

2023-07-30 13:42:15 -04:00
parent a7f807856c
commit f919473598
8 changed files with 91 additions and 3 deletions
--- a/sys_conn_helper_linux.go
+++ b/sys_conn_helper_linux.go
@@ -19,6 +19,8 @@ const (
 	ipv4PKTINFO  = unix.IP_PKTINFO
 )

+const ecnIPv4DataLen = 4
+
 const batchSize = 8 // needs to smaller than MaxUint8 (otherwise the type of oobConn.readPos has to be changed)

 func forceSetReceiveBuffer(c syscall.RawConn, bytes int) error {