Files
gluetun/internal/pmtud/df_windows.go
Quentin McGaw e21d798f57 pmtud package
2025-10-06 09:57:15 +00:00

14 lines
369 B
Go

//go:build windows
package pmtud
import (
"syscall"
)
func setDontFragment(fd uintptr) (err error) {
// https://docs.microsoft.com/en-us/troubleshoot/windows/win32/header-library-requirement-socket-ipproto-ip
// #define IP_DONTFRAGMENT 14 /* don't fragment IP datagrams */
return syscall.SetsockoptInt(syscall.Handle(fd), syscall.IPPROTO_IP, 14, 1)
}