From: Antonio Quartulli <[email protected]> Date: Wed, 9 Oct 2013 14:40:02 +0200
> Hello David, > > this is a set of changes intended for net-next/linux-3.13. > > As introduced one year ago > (http://article.gmane.org/gmane.org.freifunk.batman/8484) > in the last period we have been busy working on giving our batman-adv > protocol/packet-format all those means to get stable and avoid > incompatibilities > in the near future (this is also why we did not send many changes for > linux-3.12..). > > With this patchset we are finally switching to a new compatibility version and > within this development cycle I will send you all those changes aimed to > introduce all the needed mechanism to avoid any further compatibility > breakage. > > First of all, in this batch you have the new TVLV code (Type Version Value > Length) which is the first very important milestone towards our goal[1]. > With this mechanism we will be able to improve/change the packet contents > layout > (used by the various features) without breaking compatibility with older > protocol versions anymore. > The development of this new component has been started by Spyros Gasteratos > during his Google Summer of Code 2012 and then adjusted, finished and > submitted > by Marek Lindner. > > Together with it, you have a set of improvements that we are allowed to apply > thanks to the switching to the new compat version. > These changes are: > - adapt the existing features to make them use the new TVLV mechanism > - move from CRC16 to CRC32c for table correctness check in the TT component > - reorder some of the flags sent over the wire > - remove the __packed attribute from the OGM packet struct. > > Moreover, with this patchset we are totally removing our VISualisation > component > that is now implemented in userspace. > > Please pull let me know of any problem. Pulled, thanks.
