[LLC] use just one struct sock per connection
With this PF_LLC is tightly integrated with the core and that is a good thing 8) . kill llc_ui_opt, the only non-duplicated bit is struct sockaddr_llc and this now lives in llc_opt . remove debug code from llc_sk_alloc/free (previously llc_sock_alloc/free) . the skbs allocated for event processing don't need to have any payload at all, just the skb->cb is enough, so remove the bogus 1 from alloc_skb calls . llc_conn_disc put on death row . llc_process_tmr_ev callers have to hold the socket lock . the request functions in llc_if.c doesn't hold the socket lock anymore its up to its callers on the socket layer (llc_sock.c) . llc_sk_alloc now receives a priority for sk_alloc call and is the only way to alloc a new sock (from llc_mac and llc_sock, bottom and top) . added the traditional struct sock REFCNT_DEBUG support for llc . llc_sock was simplified and is on the zen route to cleanliness, wait for the next patches, it'll shrink a lot when I zap all the crap (as in not needed) list handling, using the existing list maintained in struct llc_sap for that, probably splitting it in two, one for listening sockets and other for (being) established ones. Ah, and the sap->ind and sap->req and friends will die.
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