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    Subject[PATCH 0/8] AF_RXRPC socket family and AFS rewrite [try #2]
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    The first of these patches together provide secure client-side RxRPC
    connectivity as a Linux kernel socket family. Only the RxRPC transport/session
    side is supplied - the presentation side (marshalling the data) is left to the
    client. Copies of the patches can be found here:

    http://people.redhat.com/~dhowells/rxrpc/series
    http://people.redhat.com/~dhowells/rxrpc/01-move-skb-generic.diff
    http://people.redhat.com/~dhowells/rxrpc/02-timers.diff
    http://people.redhat.com/~dhowells/rxrpc/03-keys.diff
    http://people.redhat.com/~dhowells/rxrpc/04-af_rxrpc.diff

    Further patches make the in-kernel AFS filesystem use AF_RXRPC and delete the
    old RxRPC implementation:

    http://people.redhat.com/~dhowells/rxrpc/05-afs-cleanup.diff
    http://people.redhat.com/~dhowells/rxrpc/06-af_rxrpc-kernel.diff
    http://people.redhat.com/~dhowells/rxrpc/07-af_rxrpc-afs.diff
    http://people.redhat.com/~dhowells/rxrpc/08-af_rxrpc-delete-old.diff

    The userspace access methods make use of the control data passed to/by
    sendmsg() and recvmsg(). See the three simple test programs:

    http://people.redhat.com/~dhowells/rxrpc/klog.c
    http://people.redhat.com/~dhowells/rxrpc/rxrpc.c
    http://people.redhat.com/~dhowells/rxrpc/listen.c

    TODO:

    (*) Make certain parameters (such as connection timeouts) userspace
    configurable.

    (*) Make userspace utilities use it; librxrpc.

    (*) Userspace documentation.

    (*) KerberosV security.

    Changes:

    (*) SOCK_RPC has been removed. SOCK_DGRAM is now used instead.

    (*) I've add a facility whereby calls can be made to destinations other than
    the connect() address of a client socket by making use of msg_name in the
    msghdr struct when using sendmsg() to send the first data packet of a
    call. Indeed, a client socket need not be connected before being used
    so.

    (*) I've also added a facility whereby client calls may also be made on
    server sockets, again by using msg_name in the msghdr struct. In such a
    case, the server's local transport endpoint is used.

    (*) I've made the write buffer space check available to various callers
    (sk_write_space) and implemented poll support.

    (*) Rewrote rxrpc_recvmsg(). It now concatenates adjacent data messages from
    the same call when delivering them.

    (*) Updated the documentation to include notes on recvmsg, cover control
    messages and cover SOL_RXRPC-level socket options.

    (*) Provided an in-kernel interface to give in-kernel utilities easier access
    to the facility.

    (*) Made fs/afs/ use it.

    (*) Deleted the old contents of net/rxrpc/.

    (*) Use the scatterlist interface to the crypto API for now. The patch that
    added the direct access interface conflicts with patches Herbert Xu is
    producing, so I've dropped it for the moment.

    (*) Moved a bug fix to make secure connection reuse from the af_rxrpc-kernel
    patch to the af_rxrpc main patch.

    David
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