On Thu, 2007-02-15 at 00:57 +1100, Herbert Xu wrote: > On Wed, Feb 14, 2007 at 03:47:55PM +1100, Rusty Russell wrote: > > > > It's also used to generate dma structs for outgoing packets. In that > > case, skb_headlen() == 0: > > I see, in that case you're guaranteed to have no fragments. > Still it feels a bit weird to have a length field that only > applies to the header part. Indeed. In future if I want to create fragmented skbs for receive (large MTU support), I would actually set skb->len and skb->datalen and then could avoid the extra argument. Cheers, Rusty.
