netdev - v3 [PATCH 0/5] dccp: Feature negotiation, Part I

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Message-ID: <20081011073113.GA9205@gerrit.erg.abdn.ac.uk>
Date:	Sat, 11 Oct 2008 09:31:13 +0200
From:	Gerrit Renker <gerrit@....abdn.ac.uk>
To:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	dccp@...r.kernel.org
Subject: v3 [PATCH 0/5] dccp: Feature negotiation, Part I - Underlying data
	structures

Hi Dave,

please find below the revised patch set.

Thank you for taking the time to look through.

If we could keep this set going on as a low-key background process, that
would be great. I found the pace not only more reviewer-friendly, but also
more submitter-friendly, so it is in fact a good choice.

Regards
Gerrit


Changes relative to revision 2
------------------------------
 * reordered patches to eliminate build warnings (reducing patch sizes); 
 * in addition, sparse-build warnings were also eliminated;
 * all patches again verified to compile without build errors.


Changes relative to revision 1
------------------------------
 * [1/5] streamlined field layout reducing the size per each entry;
 * [2/5] migration of function 'dccp_default_value' to a later in the set
         where it is first used.


Commit summary
--------------
This is the first set of the feature negotiation patches. These provide a 
self-contained feature negotiation API for the DCCP protocol (RFC 4340-2).

The whole set is structured into 3 main blocks - (1) basis, (2) core,
(3) integration and cleanup. Within these blocks, this is the first,
self-contained, set and its purpose is to provide
 (a) the underlying datastructures
 (b) initialisation and cleanup routines for the new datastructures.


List of patches in this set:
----------------------------
Patch #1: Provides the basic datastructure for feature negotiation. It gets 
          around the problem that feature-negotiation values have no uniform
	  type - they can be 48-bit numbers, single characters, 2-byte integers
	  or a list of unsigned chars.
Patch #2: Provides a lookup-table for the different negotiable features.
Patch #3: Adds list management for the list keeping the negotiation-options.
Patch #4: Initialisation routines (for request sockets and normal sockets).
Patch #5: Analogous to #4, this provides the cleanup routines.	  

The set is also available for viewing online, beginning at
http://eden-feed.erg.abdn.ac.uk/cgi-bin/gitweb.cgi?p=dccp_exp.git;a=commitdiff;h=6370e843d9977eff8f2a1bbb18020d5fbc36b202

Patch stats:
------------
 include/linux/dccp.h |   13 ++-
 net/dccp/dccp.h      |    5 +
 net/dccp/feat.c      |  167 +++++++++++++++++++++++++++++++++++++++++++++++++++
 net/dccp/feat.h      |   62 ++++++++++++++++++
 net/dccp/input.c     |    2 
 net/dccp/ipv4.c      |    4 -
 net/dccp/ipv6.c      |    4 -
 net/dccp/minisocks.c |    7 +-
 net/dccp/proto.c     |    3 
 9 files changed, 256 insertions(+), 11 deletions(-)

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