From: Chris Leech <[email protected]>
Date: Tue, 20 Dec 2005 23:10:07 -0800
> That could be a good way to deal with it. Actually, I should double
> check the length of tcp_skb_cb. I took a quick look and thought that
> there might be some room left there anyway, even though the comment in
> tcp.h says otherwise.
There isn't, it's basically full on 64-bit systems with ipv6 enabled.
Just put the DMA cookie object explicitly into struct sk_buff,
protected by CONFIG_NET_DMA.
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