const syscall.SizeofICMPv6Filter

3 uses

	syscall (current package)
		syscall_linux.go#L752: 	vallen := _Socklen(SizeofICMPv6Filter)
		syscall_unix.go#L480: 	return setsockopt(fd, level, opt, unsafe.Pointer(filter), SizeofICMPv6Filter)
		ztypes_linux_amd64.go#L324: 	SizeofICMPv6Filter      = 0x20