On Wed, 9 Mar 2005 08:06:45 -0800 (PST)
Alok <[EMAIL PROTECTED]> wrote:
>
> Hi ..
>
> I have to submit my project in networking in one of
> the competitions coming up ..on 15th march .. rest of
> my code is ready .. only some portion is left .. i'd
> be really glad if someone cud help me with this part
> of codin ... I am not able to solve this problem ..
>
> I am having trouble while reading or writting
> data from skb data structure (used in Networking)
> i.e. when data is present in Pages. Paged data
> information is stored in skb_shared_info structure
> .which consists of . pointer to page structure ,
> size and offset. Whenever I try to read this data,
> kernel goes to panic state. I thought these pages
> might be locked or sumthin ... but when i went
> through kernel code ... there wasn't any mention of
> such locks (atleaset i could not find one !).
>
>
> In the kernel code it was all logical .. reading
> from page n all .. but when i tried the same code ..
> kernel paniced. Can anyone please help me with this
> ??
> . .how do i read this paged data ??
>
Easiest would be to use:
struct skb_iter iter;
skb_iter_first(skb, &iter);
process_data(itier.data, iter.len);
while (skb_iter_next(skb, &iter))
process_data(iter.data, iter.len);
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