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