On 2014-09-07 17:12:33 (+0800), lx <lxlenovos...@gmail.com> wrote:
>       I want to send a udp packet in kernel module. the codes is:
Why?

> // iph->version = 4; iph->ihl = 5;
> put_unaligned(0x45, (unsigned char *)send_iph);
> send_iph->tos      = 0;
> put_unaligned(htons(iph_len), &(send_iph->tot_len));
                ^- That's probably your problem.

Regards,
Kristof

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