On Wednesday 2008-07-16 20:15, Kevin Sookocheff wrote:
>Hi Jan,
>
>Simplifying my iptables private struct in ipt_CSUM.h down to
>
>struct ipt_CSUM_info {
> u_int32_t count;
>};
>
>and calculating .size .userspacesize (in libiptCSUM.c) and .targetsize
>(in ipt_CSUM.c) all with IPT_ALIGN(sizeof(struct ipt_CSUM_info) gives
>me an error stating:
>
>iptables: CSUM target: invalid size 12 != 4
It's impossible to figure out if there is no code to have a look at.
>In what way should I be creating this struct so that it aligns
>correctly in user and kernel space?
With the above struct, you fulfilled all alignment requirements.
It's a brown paper bag to me, and only compiling it myself
here will yield more information.
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