[PATCH] ucc_geth: Add support for skb recycling

[Rick Jones]

Anton Vorontsov wrote:
> We can reclaim transmitted skbs to use in the receive path, so-called
> skb recycling support.
> 
> Also reorder ucc_geth_poll() steps, so that we'll clean tx ring firstly,
> thus maybe reclaim some skbs for rx.

Admittedly, all the world is not TCP, but a big chunk is, so are you likely to 
have reference counts go to zero on the tx queue for anything other than small 
standalone TCP ACK segments?

rick jones