>> This would still have some problems since certain extension headers
>> (fragmentation, AH, ESP) aren't passed up to the application.
>=> exactly my second concern.
one question - maybe i have lost some context.
we are talking about socket API. is it really necessary
for user applications to be able to transmit arbitrary AH/ESP/fragment
header?
even for raw IP socket, i think it reasonable to forbid users
from attaching arbitrary AH/ESP/fragment header (i.e. to say that
they are "kernel" thingie).
itojun
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