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authorAntonio Fischetti <antonio.fischetti@intel.com>2016-07-08 16:16:06 +0100
committerAntonio Fischetti <antonio.fischetti@intel.com>2016-07-12 09:01:00 +0100
commit0301f0ae94205046e38841851c024fe63fa614cf (patch)
tree134bb6ac153242b10807b53c7c824544595e1656 /src/ovs/ofctl.py
parentdd47e4e2ea55f01235c20bed8e07d69fb51c292e (diff)
ovs/ofctl: Fix validation method for complex flows.
The current validation method for 'add_flow' commands does not work properly with complex flows, like UDP flows. It always returns that the flow was not set, even though the add_flow command was successful. JIRA: ONP-6579 Change-Id: Iaad77551326ff495cb68a033e1303450a99386bd Signed-off-by: Antonio Fischetti <antonio.fischetti@intel.com> Reviewed-by: Maryam Tahhan <maryam.tahhan@intel.com> Reviewed-by: Martin Klozik <martinx.klozik@intel.com>
Diffstat (limited to 'src/ovs/ofctl.py')
-rw-r--r--src/ovs/ofctl.py15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/ovs/ofctl.py b/src/ovs/ofctl.py
index d7a2b320..a75d0be2 100644
--- a/src/ovs/ofctl.py
+++ b/src/ovs/ofctl.py
@@ -439,6 +439,21 @@ def flow_match(flow_dump, flow_src):
# perform unifications on both source and destination flows
flow_dump = flow_dump.replace('actions=', 'action=')
flow_src = flow_src.replace('actions=', 'action=')
+ # For complex flows the output of "ovs-ofctl dump-flows" can use the
+ # shorthand notation.
+ # eg if we set a flow with constraints on UDP ports like in the following
+ # {'dl_type': '0x0800', 'nw_proto': '17', 'in_port': '1', 'udp_dst': '0', 'actions': ['output:2']}
+ # dump-flows output can combine the first 2 constraints into 'udp' and translate
+ # 'udp_dst' into 'tp_dst' like
+ # "udp,in_port=1,tp_dst=0 actions=output:2".
+ # So the next replacements are needed.
+ flow_dump = flow_dump.replace('ip', 'dl_type=0x0800')
+ flow_dump = flow_dump.replace('tcp', 'nw_proto=6,dl_type=0x0800')
+ flow_dump = flow_dump.replace('udp', 'nw_proto=17,dl_type=0x0800')
+ flow_src = flow_src.replace('udp_src', 'tp_src')
+ flow_src = flow_src.replace('udp_dst', 'tp_dst')
+ flow_src = flow_src.replace('tcp_src', 'tp_src')
+ flow_src = flow_src.replace('tcp_dst', 'tp_dst')
# split flow strings into lists of comparable elements
flow_dump_list = re.findall(r"[\w.:=()]+", flow_dump)