[PATCH v3 0/2] Add the Babel routing protocol to Bird

[Toke Høiland-Jørgensen]

This is the updated patch to add the Babel protocol to Bird. There are
not a huge amount of changes since the last version, but some important
bug fixes. Specifically:

- Fix protocol reconfiguration logic.

- Fix sequence number space calculation.

- Fix interface update trigger logic so multiple triggers do no not
  step on each other.

- Enforce a minimum size of RX and TX buffers.

- Handle routes being removed by the core that originated from within
  this instance of Babel, for instance if export filters are changed.

- Only trigger updates if rt_notify() actually changes things.

- Change default wired hello interval to 4 secs (which is what babeld
  uses).

- Handle non-LL next hop addresses in next hop TLVs.

- Make sure to only schedule send events if the socket buffer is empty.

Toke Høiland-Jørgensen (2):
  Teach bvsnprintf() to print 64-bit router IDs.
  Add the Babel routing protocol (RFC6126).

 .gitignore           |   13 +
 configure.in         |    3 +
 doc/bird.sgml        |   93 +++
 lib/bitops.h         |    3 +-
 lib/ip.h             |    3 +
 lib/printf.c         |   31 +-
 nest/proto.c         |    3 +
 nest/protocol.h      |    2 +-
 nest/route.h         |   11 +-
 proto/Doc            |    1 +
 proto/babel/Doc      |    2 +
 proto/babel/Makefile |    5 +
 proto/babel/babel.c  | 1945 ++++++++++++++++++++++++++++++++++++++++++++++++++
 proto/babel/babel.h  |  349 +++++++++
 proto/babel/config.Y |  129 ++++
 proto/babel/packet.c |  871 ++++++++++++++++++++++
 proto/babel/packet.h |  127 ++++
 sysdep/autoconf.h.in |    1 +
 18 files changed, 3582 insertions(+), 10 deletions(-)
 create mode 100644 .gitignore
 create mode 100644 proto/babel/Doc
 create mode 100644 proto/babel/Makefile
 create mode 100644 proto/babel/babel.c
 create mode 100644 proto/babel/babel.h
 create mode 100644 proto/babel/config.Y
 create mode 100644 proto/babel/packet.c
 create mode 100644 proto/babel/packet.h

-- 
2.8.0