[ovs-build] Passed: ovsrobot/ovs#2108 (series_151093 - dd3d4f4)

[Travis CI]

Build Update for ovsrobot/ovs
-------------------------------------

Build: #2108
Status: Passed

Duration: 51 mins and 26 secs
Commit: dd3d4f4 (series_151093)
Author: Dumitru Ceara
Message: ofproto-dpif-trace: Improve NAT tracing.

When ofproto/trace detects a recirc action it resumes execution at the
specified next table. However, if the ct action performs SNAT/DNAT,
e.g., ct(commit,nat(src=1.1.1.1:4000),table=42), the src/dst IPs and
ports in the oftrace_recirc_node->flow field are not updated. This leads
to misleading outputs from ofproto/trace as real packets would actually
first get NATed and might match different flows when recirculated.

Assume the first IP/port from the NAT src/dst action will be used by
conntrack for the translation and update the oftrace_recirc_node->flow
accordingly. This is not entirely correct as conntrack might choose a
different IP/port but the result is more realistic than before.

This fix covers new connections. However, for reply traffic that executes
actions of the form ct(nat, table=42) we still don't update the flow as
we don't have any information about conntrack state when tracing.

Signed-off-by: Dumitru Ceara <dceara at redhat.com>
Signed-off-by: 0-day Robot <robot at bytheb.org>

View the changeset: https://github.com/ovsrobot/ovs/compare/62df1f5bea87^...dd3d4f49fff9

View the full build log and details: https://travis-ci.org/ovsrobot/ovs/builds/632363807?utm_medium=notification&utm_source=email

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