On Wed, 9 Mar 2005 08:06:45 -0800 (PST) Alok <wonder_years2000@xxxxxxxxx> 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); - : send the line "unsubscribe linux-net" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
