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Skip Update of Switch level DSCP->TC map#22215

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StormLiangMS merged 1 commit intosonic-net:masterfrom
dhanasekar-arista:202511-issue_msft_1077
Mar 5, 2026
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Skip Update of Switch level DSCP->TC map#22215
StormLiangMS merged 1 commit intosonic-net:masterfrom
dhanasekar-arista:202511-issue_msft_1077

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@dhanasekar-arista
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Description of PR

Update of global DSCP_TO_TC mapping is not supported on Broadcom asics.

Summary:
Fixes # #21985

Type of change

  • Bug fix
  • Testbed and Framework(new/improvement)
  • New Test case
    • Skipped for non-supported platforms
  • Test case improvement

Back port request

  • 202205
  • 202305
  • 202311
  • 202405
  • 202411
  • 202505
  • 202511

Approach

What is the motivation for this PR?

This PR #20429 has redesigned the test "qos/test_qos_dscp_mapping.py" recently in 202511 to enforce "AZURE" DSCP_TO_TC mapping.
But this is not supported in broadcom and fails everytime.

How did you do it?

By skipping the config for broadcom asics.

How did you verify/test it?

Ran the test.

Any platform specific information?

Supported testbed topology if it's a new test case?

Documentation

@mssonicbld
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/azp run

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Azure Pipelines successfully started running 1 pipeline(s).

@StormLiangMS
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hi @kperumalbfn @developfast could you help to take a look?

update of global DSCP_TO_TC mapping is not supported on Broadcom.

Signed-off-by: dhanasekar-arista <[email protected]>
@mssonicbld
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/azp run

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Azure Pipelines successfully started running 1 pipeline(s).

kazinator-arista pushed a commit to kazinator-arista/sonic-mgmt that referenced this pull request Mar 4, 2026
…tically (sonic-net#22215)

#### Why I did it
src/sonic-sairedis
```
* edd144b6 - (HEAD -> 202405, origin/202405) [syncd] Support SAI_SWITCH_ATTR_VXLAN_DEFAULT_ROUTER_MAC (sonic-net#1529) (sonic-net#1568) (2 days ago) [Kamil Cudnik]
```
#### How I did it
#### How to verify it
#### Description for the changelog
@dhanasekar-arista
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The failing PR check is irrelevant to this change.

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@StormLiangMS StormLiangMS left a comment

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LGTM

@StormLiangMS StormLiangMS merged commit 9ea9e64 into sonic-net:master Mar 5, 2026
18 of 19 checks passed
@StormLiangMS StormLiangMS added Request for 202511 branch Request to backport a change to 202511 branch Approved for 202511 branch labels Mar 5, 2026
mssonicbld pushed a commit to mssonicbld/sonic-mgmt that referenced this pull request Mar 5, 2026
update of global DSCP_TO_TC mapping is not supported on Broadcom.

Signed-off-by: dhanasekar-arista <[email protected]>
Signed-off-by: mssonicbld <[email protected]>
@mssonicbld
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Cherry-pick PR to 202511: #22745

StormLiangMS pushed a commit that referenced this pull request Mar 5, 2026
update of global DSCP_TO_TC mapping is not supported on Broadcom.

Signed-off-by: dhanasekar-arista <[email protected]>
Signed-off-by: mssonicbld <[email protected]>
Co-authored-by: Dhanasekar Rathinavel <[email protected]>
ksravani-hcl pushed a commit to ksravani-hcl/sonic-mgmt that referenced this pull request Mar 10, 2026
update of global DSCP_TO_TC mapping is not supported on Broadcom.

Signed-off-by: dhanasekar-arista <[email protected]>
ksravani-hcl pushed a commit to ksravani-hcl/sonic-mgmt that referenced this pull request Mar 10, 2026
update of global DSCP_TO_TC mapping is not supported on Broadcom.

Signed-off-by: dhanasekar-arista <[email protected]>
aronovic pushed a commit to aronovic/sonic-mgmt that referenced this pull request Mar 10, 2026
update of global DSCP_TO_TC mapping is not supported on Broadcom.

Signed-off-by: dhanasekar-arista <[email protected]>
Signed-off-by: Mihut Aronovici <[email protected]>
selldinesh pushed a commit to selldinesh/sonic-mgmt that referenced this pull request Mar 16, 2026
update of global DSCP_TO_TC mapping is not supported on Broadcom.

Signed-off-by: dhanasekar-arista <[email protected]>
Signed-off-by: selldinesh <[email protected]>
abhishek-nexthop pushed a commit to nexthop-ai/sonic-mgmt that referenced this pull request Mar 17, 2026
update of global DSCP_TO_TC mapping is not supported on Broadcom.

Signed-off-by: dhanasekar-arista <[email protected]>
Signed-off-by: Abhishek <[email protected]>
vrajeshe pushed a commit to vrajeshe/sonic-mgmt that referenced this pull request Mar 23, 2026
update of global DSCP_TO_TC mapping is not supported on Broadcom.

Signed-off-by: dhanasekar-arista <[email protected]>
Signed-off-by: Venkata Gouri Rajesh Etla <[email protected]>
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4 participants