[Click] Alignment issue

[Cliff Frey]

if you modify click-align.cc to specify that the FromOcteon element
produces packets that are (4,2) aligned, then you won't get the extra
Align() element.

If you really want to do what you are asking for, you could likely add
-DHAVE_INDIFFERENT_ALIGNMENT to CXXFLAGS/CFLAGS, but I'm not positive if
that would work.  I'd definitely recommend just keeping click-align.cc up
to date with your elements.

Cliff

On Fri, Nov 18, 2011 at 12:45 AM, Markku Savela <Markku.Savela at vtt.fi>wrote:

> When configuring for mips 64, it does not set the
>
>  HAVE_INDIFFERENT_ALIGNMENT
>
> in include/click/config.h.
>
> This is fine, but it does trouble me that click doesn't
> even run the configuration without it being passed through
> the click-align tool.
>
> I would like to have an option to run the unaligned
> configuration and take my risks on "bus error". Maybe
> I missed a command line switch to disable this check?
>
> In my test case, non-aligned click configuration works
> just fine (the packets just happen to be aligned), but
> running conf through click align, adds alingning and
> causes unnecessary extra copy of the packet.
>
> (see attached confs).
>
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