>I guess I stuck that text in there based on some goal of consistency with
>the other IPV6_ options in the spec.
>
>Clearly(?) for IPv6_DSTOPTHDR it makes sense to be able to
>clear the sticky option by setting it to zero length.
>(I think this is consistent with setting IP_OPTIONS to zero length.)
>
>So what about IPV6_HOPLIMIT that is a fixed length quantity?
>Is it more important to be consistent with the other IPv6 options
>(and allow zero length as a way to clear it) or is it more
>important to make the option value always have a fixed length (meaning
>that -1 is the only way to set if to "default").
>
>I don't have a strong opinion either way.
I don't feel the need for consistensy among 2292bis setsockopts.
-1 should be fine for setting the default value for IPV6_HOPLIMIT
and other integer setsockopt.
itojun
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