Amit Cohen 2851b76e5f selftests: mlxsw: tc_police_scale: Make test more robust
commit dc9752075341e7beb653e37c6f4a3723074dc8bc upstream.

The test adds tc filters and checks how many of them were offloaded by
grepping for 'in_hw'.

iproute2 commit f4cd4f127047 ("tc: add skip_hw and skip_sw to control
action offload") added offload indication to tc actions, producing the
following output:

 $ tc filter show dev swp2 ingress
 ...
 filter protocol ipv6 pref 1000 flower chain 0 handle 0x7c0
   eth_type ipv6
   dst_ip 2001:db8:1::7bf
   skip_sw
   in_hw in_hw_count 1
         action order 1:  police 0x7c0 rate 10Mbit burst 100Kb mtu 2Kb action drop overhead 0b
         ref 1 bind 1
         not_in_hw
         used_hw_stats immediate

The current grep expression matches on both 'in_hw' and 'not_in_hw',
resulting in incorrect results.

Fix that by using JSON output instead.

Fixes: 5061e773264b ("selftests: mlxsw: Add scale test for tc-police")
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-03-08 19:09:36 +01:00
2020-10-17 11:18:18 -07:00
2022-03-02 11:42:57 +01:00

Linux kernel
============

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