git: kernel - Major bridging functionality added (bug fixes 6)

Matthew Dillon dillon at crater.dragonflybsd.org
Wed Mar 30 00:25:46 PDT 2011


commit 1885d414af078e22876479e77efe3c9715b4591d
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Wed Mar 30 00:20:40 2011 -0700

    kernel - Major bridging functionality added (bug fixes 6)
    
    * Flapping on one of the member interfaces can cause the entire bridge
      to go down due to all member interfaces entering a transient state.
      For example, if openvpn is flapping the related tap interfaces will
      go up and down without any actual packet traffic making it across.
    
      With these changes openvpn flapping no longer makes the bridge
      effectively non-operational.
    
    * When a port is disabled or enabled either manually or due to a TAP
      process going away / attaching, only issue a configuration update
      when transitioning out of an active state.
    
      Thus disabled<->l1blocking flip-flopping does not cause the other
      member interfaces to change state.
    
    * Also change the initial state setup when LINK1 is flagged.
      Go into the L1BLOCKING state instead of the BLOCKING state.

Summary of changes:
 sys/net/bridge/bridgestp.c |   44 +++++++++++++++++++++++++++++++++++++++-----
 1 files changed, 39 insertions(+), 5 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/1885d414af078e22876479e77efe3c9715b4591d


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