Messages in this thread | | | Date | Wed, 28 Jan 2009 20:54:27 +1100 | From | Herbert Xu <> | Subject | Re: hardware time stamping with optional structs in data area |
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On Wed, Jan 28, 2009 at 10:52:13AM +0100, Patrick Ohly wrote: > > Putting that into shinfo should work fine. I thought extending that > structure with information that isn't needed for all packets was as bad > as extending sk_buff itself. If that isn't the case, then extending > shinfo definitely is the simplest solution.
Not at all, the sk_buff has its own slab while skb->head uses kmalloc. The latter has loads of free space due to padding for common MTUs such as 1500 or header-only.
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