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ovs-tcpdump: Add --span to mirror all ports on bridge.

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Signed-off-by: Martin Fong <mwfong@csl.sri.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
This commit is contained in:
Martin Fong
2018-11-09 12:16:02 -08:00
committed by Ben Pfaff
parent 2220548113
commit 0475db71c6
2 changed files with 12 additions and 3 deletions
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3
utilities/ovs-tcpdump.8.in
View File

@@ -42,6 +42,9 @@ be dumped.
The name of the interface which should be the destination of the mirrored
packets. The default is miINTERFACE
.
.IP "\fB\-\-span\fR"
If specified, mirror all ports (optional).
.
.SH "SEE ALSO"
.
.BR ovs\-appctl (8),

12
utilities/ovs-tcpdump.in
View File

@@ -111,6 +111,7 @@ The following options are available:
-i, --interface Open vSwitch interface to mirror and tcpdump
--mirror-to The name for the mirror port to use (optional)
Default 'miINTERFACE'
--span If specified, mirror all ports (optional)
""" % {'prog': sys.argv[0]})
sys.exit(0)
@@ -312,13 +313,14 @@ class OVSDB(object):
self._txn = None
return result
def bridge_mirror(self, intf_name, mirror_intf_name, br_name):
def bridge_mirror(self, intf_name, mirror_intf_name, br_name,
mirror_select_all=False):
txn = self._start_txn()
mirror = txn.insert(self.get_table('Mirror'))
mirror.name = 'm_%s' % intf_name
mirror.select_all = False
mirror.select_all = mirror_select_all
mirrored_port = self._find_row_by_name('Port', intf_name)
@@ -404,6 +406,9 @@ def main():
mirror_interface = nxt
skip_next = True
continue
elif cur in ['--span']:
mirror_select_all = True
continue
tcpdargs.append(cur)
if interface is None:
@@ -445,7 +450,8 @@ def main():
try:
ovsdb.make_port(mirror_interface, ovsdb.port_bridge(interface))
ovsdb.bridge_mirror(interface, mirror_interface,
ovsdb.port_bridge(interface))
ovsdb.port_bridge(interface),
mirror_select_all)
except OVSDBException as oe:
print("ERROR: Unable to properly setup the mirror: %s." % str(oe))
try: