selftests: forwarding: mirror_lib: skip_hw the VLAN capture
When the VLAN capture is installed on a front panel device and not a soft device, the packets are counted twice: once in fast path, and once after they are trapped to the kernel. Resolve the problem by passing skip_hw flag to vlan_capture_install(). Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -102,7 +102,10 @@ do_test_span_vlan_dir_ips()
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local ip1=$1; shift
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local ip1=$1; shift
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local ip2=$1; shift
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local ip2=$1; shift
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vlan_capture_install $dev "vlan_id $vid"
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# Install the capture as skip_hw to avoid double-counting of packets.
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# The traffic is meant for local box anyway, so will be trapped to
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# kernel.
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vlan_capture_install $dev "skip_hw vlan_id $vid"
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mirror_test v$h1 $ip1 $ip2 $dev 100 $expect
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mirror_test v$h1 $ip1 $ip2 $dev 100 $expect
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mirror_test v$h2 $ip2 $ip1 $dev 100 $expect
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mirror_test v$h2 $ip2 $ip1 $dev 100 $expect
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vlan_capture_uninstall $dev
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vlan_capture_uninstall $dev
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