[ovs-git] Open vSwitch: ofp-msgs: ofpmp_reserve() must add "more" flag when splitting stats. (master)

dev at openvswitch.org dev at openvswitch.org
Mon Aug 6 16:28:45 UTC 2012


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The branch, master has been updated
       via  79b8c36c58f979296ce2cec1e6d899fa8321bc21 (commit)
      from  1448105187550e12fe806aa4863ffa5dc397afb8 (commit)

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- Log -----------------------------------------------------------------
commit 79b8c36c58f979296ce2cec1e6d899fa8321bc21
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=79b8c36c58f979296ce2cec1e6d899fa8321bc21
Author: Ben Pfaff <blp at nicira.com>
		
ofp-msgs: ofpmp_reserve() must add "more" flag when splitting stats.
		
Commit 982697a4d2 "ofp-msgs: New approach to encoding and decoding OpenFlow
headers." introduced a bug in multipart message composition such that, when
a multipart message actually requires multiple parts, the OFPSF_REPLY_MORE
bit failed to be set on any of the parts, which in turn caused the receiver
to see a truncated reply.  This commit fixes the problem.

This commit also adds a test case that would have detected the problem and
fixes a minor bug in that test case (if an error actually occurred, then
the test case would hang).

Bug #12766.
Reported-by: James Schmidt <jschmidt at nicira.com>
Signed-off-by: Ben Pfaff <blp at nicira.com>


-----------------------------------------------------------------------

Summary of changes:
 lib/ofp-msgs.c   |    4 ++++
 tests/ofproto.at |    3 +++
 2 files changed, 7 insertions(+), 0 deletions(-)


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