Re: [advanced API] how to get the destination address for IPV6_RECVPATHMTU

[Jun-ichiro itojun Hagino]

>PS: I've tried one day the 2*64 definition on a Sparc (ie. with 64 bit
>alignment). It didn't work because of some details, for instance the
>route structure (pointer + sockaddr) or IPv6 over ATM (32 bit difference
>in alignment between unicast and multicast). I can't see a good reason
>to add a new source of problems...

        for the latter case, you need __attribute__((__packed__)) (gcc-ism)
        for header declaration.  to control structure packing.

itojun
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