[Impish][OEM-5.14][SRU][PATCHv2 0/2] Fix kselftests/net/test_vxlan_under_vrf.sh

[Po-Hsu Lin]

[Impact]
test_vxlan_under_vrf.sh in the net category of ubuntu_kernel_selftests
will fail on 5.13 kernel with:

  # selftests: net: test_vxlan_under_vrf.sh
  # Checking HV connectivity [ OK ]
  # Check VM connectivity through VXLAN (underlay in the default VRF) [FAIL]
  not ok 1 selftests: net: test_vxlan_under_vrf.sh # exit=1

Note that this test is not failing on F-oem-5.14 but it's better to
have corresponding patches applied to reduce the maintenance cost
in the future.

[Fix]
* e7e4785f selftests: net: test_vxlan_under_vrf: fix HV connectivity test
* b50d3b46 selftests: test_vxlan_under_vrf: Fix broken test case

Only I-5.13 and F-oem-5.14 need these patches.

First patch (e7e4785f):
  - Can be cherry-picked to Impish 5.13
  - Can be cherry-picked to F-oem-5.14.
Second patch (b50d3b46):
  - Can be cherry-picked to Impish 5.13 (-C2 is required while
    applying it due to our SAUCE patches)
  - F-oem-5.14 has already got this one applied.

The reason why we need the second patch is that after the first one
got applied, we will see another failure, which we made it an expected
failure (XFAIL) with SAUCE patches:
  Check VM connectivity through VXLAN (underlay in a VRF) [XFAIL]

[Test]
With the patched test_vxlan_under_vrf.sh test, it can pass on Impish
5.13 and F-oem-5.14 without any issue:
  Checking HV connectivity [ OK ]
  Check VM connectivity through VXLAN (underlay in the default VRF) [ OK ]
  Check VM connectivity through VXLAN (underlay in a VRF) [ OK ]

[Where problems could occur]
Change limit to test cases, should not have any real impact to any
kernel functions. But if these fixes are incorrect we will see
failures in our regression-testing report. The worst scenario is
getting false-negative results.

v2: Update cover-letter content and target in patch title to make it
    easier to read.

Andrea Righi (1):
  selftests: net: test_vxlan_under_vrf: fix HV connectivity test

Ido Schimmel (1):
  selftests: test_vxlan_under_vrf: Fix broken test case

 tools/testing/selftests/net/test_vxlan_under_vrf.sh | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

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2.7.4