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net/mlx5e: loopback test is not supported in switchdev mode

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In switchdev mode we insert steering rules to eswitch that
make sure packets can't be looped back.
Modify the self tests infra and have flags per test.
Add a flag for tests that needs to be skipped in switchdev mode.

Before this commit:

$ ethtool --test enp8s0f0
 The test result is FAIL
 The test extra info:
 Link Test        0
 Speed Test       0
 Health Test      0
 Loopback Test    1

After this commit:

$ ethtool --test enp8s0f0
 The test result is PASS
 The test extra info:
 Link Test        0
 Speed Test       0
 Health Test      0

Example output in dmesg:

enp8s0f0: Self test begin..
enp8s0f0:         [0] Link Test start..
enp8s0f0:         [0] Link Test end: result(0)
enp8s0f0:         [1] Speed Test start..
enp8s0f0:         [1] Speed Test end: result(0)
enp8s0f0:         [2] Health Test start..
enp8s0f0:         [2] Health Test end: result(0)
enp8s0f0: Self test out: status flags(0x1)

Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Roi Dayan 2021-06-23 11:36:46 +03:00 • committed by Saeed Mahameed
commit 7990b1b5e8
3 changed files with 56 additions and 43 deletions
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