From: Jan Engelhardt <jengelh@xxxxxxxxxx>
Date: Tue, 9 Mar 2010 18:03:02 +0100 (CET)
> On Tuesday 2010-03-09 17:48, Lutz Jaenicke wrote:
>
>>On some platforms (here: Intel IXP4xx ARM big endian)
>>sizeof(struct nf_ct_tcp_flags) evaluates to 4 bytes while in the user
>>space code 2 bytes is hard coded.
>
> Why does it evaluate to 4 bytes? That seems to go against all good C
> practice.
It's just what the ARM ABI does.
We have to do something similar in the IPV6 stack for
the same reason.
struct nd_opt_hdr {
__u8 nd_opt_type;
__u8 nd_opt_len;
} __attribute__((__packed__));
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