[HLD] DSCP/TC remapping for tunnel traffic #950
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Signed-off-by: bingwang <wang.bing@microsoft.com>
Signed-off-by: bingwang <wang.bing@microsoft.com>
Signed-off-by: bingwang <wang.bing@microsoft.com>
prsunny
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Signed-off-by: bingwang <bingwang@microsoft.com>
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Signed-off-by: bingwang <bingwang@microsoft.com>
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Signed-off-by: bingwang <bingwang@microsoft.com>
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doc/qos/tunnel_dscp_remapping.md
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| "1": "0", | ||
| "2": "0", | ||
| "3": "2", | ||
| "4": "6", |
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Does that mean PG 2 and 6 will be used as lossless PG? In that case BUFFER_PG|<port>|2, BUFFER_PG|<port>|6 need to be configured. But traditional buffer manager supports 3-4 only. This also needs to be updated
#define LOSSLESS_PGS "3-4"
string buffer_pg_key = port + m_cfgBufferPgTable.getTableNameSeparator() + LOSSLESS_PGS;
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Signed-off-by: bingwang bingwang@microsoft.com What I did This PR is to update db_migrator to support pfcwd_sw_enable. Currently, table pfc_enable is to specify on which queue to enable PFC and pfc watchdog. As we are going to add two extra lossless queues on which on watchdog is enable(HLD sonic-net/SONiC#950), a new field is required to specify on which queue to enable PFC watchdog. That is pfcwd_sw_enable. Field Description pfc_enable Specify on which queues to enable PFC pfcwd_sw_enable Specify on which queues to enable software PFC watchdog HLD DSCP remapping Change in orchagent Update orchagent to support new field pfcwd_sw_enable How I did it Update db_migrator. How to verify it Verified by UT Verified by copying the updated db_migrator.py to a SONiC box and run db_migrator.py -o migrate
This was referenced Apr 7, 2022
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This was referenced Apr 29, 2022
[202012][cherry-pick]Update orchagent to support new field
pfcwd_sw_enable
sonic-net/sonic-swss#2245
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@bingwang-ms please add the code PR list for tracking |
|
@bingwang-ms would you please add the code PRs by following EVPN VxLAN update for platforms using P2MP tunnel based L2 forwarding by dgsudharsan · Pull Request #806 · Azure/SONiC (github.com) as an example? |
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Signed-off-by: bingwang <bingwang@microsoft.com> Why I did it This PR is to add two extra lossless queues for bounced back traffic. HLD sonic-net/SONiC#950 SKUs include Arista-7050CX3-32S-C32 Arista-7050CX3-32S-D48C8 Arista-7260CX3-D108C8 Arista-7260CX3-C64 Arista-7260CX3-Q64 How I did it Update the buffers.json.j2 template and buffers_config.j2 template to generate new BUFFER_QUEUE table. For T1 devices, queue 2 and queue 6 are set as lossless queues on T0 facing ports. For T0 devices, queue 2 and queue 6 are set as lossless queues on T1 facing ports. Queue 7 is added as a new lossy queue as DSCP 48 is mapped to TC 7, and then mapped into Queue 7 How to verify it Verified by UT Verified by coping the new template and generate buffer config with sonic-cfggen
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Signed-off-by: bingwang <bingwang@microsoft.com> Why I did it This PR is to add two extra lossless queues for bounced back traffic. HLD sonic-net/SONiC#950 SKUs include Arista-7050CX3-32S-C32 Arista-7050CX3-32S-D48C8 Arista-7260CX3-D108C8 Arista-7260CX3-C64 Arista-7260CX3-Q64 How I did it Update the buffers.json.j2 template and buffers_config.j2 template to generate new BUFFER_QUEUE table. For T1 devices, queue 2 and queue 6 are set as lossless queues on T0 facing ports. For T0 devices, queue 2 and queue 6 are set as lossless queues on T1 facing ports. Queue 7 is added as a new lossy queue as DSCP 48 is mapped to TC 7, and then mapped into Queue 7 How to verify it Verified by UT Verified by coping the new template and generate buffer config with sonic-cfggen
skbarista
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Signed-off-by: bingwang <bingwang@microsoft.com> Why I did it This PR is to add two extra lossless queues for bounced back traffic. HLD sonic-net/SONiC#950 SKUs include Arista-7050CX3-32S-C32 Arista-7050CX3-32S-D48C8 Arista-7260CX3-D108C8 Arista-7260CX3-C64 Arista-7260CX3-Q64 How I did it Update the buffers.json.j2 template and buffers_config.j2 template to generate new BUFFER_QUEUE table. For T1 devices, queue 2 and queue 6 are set as lossless queues on T0 facing ports. For T0 devices, queue 2 and queue 6 are set as lossless queues on T1 facing ports. Queue 7 is added as a new lossy queue as DSCP 48 is mapped to TC 7, and then mapped into Queue 7 How to verify it Verified by UT Verified by coping the new template and generate buffer config with sonic-cfggen
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Signed-off-by: bingwang bingwang@microsoft.com What I did This PR is to update db_migrator to support pfcwd_sw_enable. Currently, table pfc_enable is to specify on which queue to enable PFC and pfc watchdog. As we are going to add two extra lossless queues on which on watchdog is enable(HLD sonic-net/SONiC#950), a new field is required to specify on which queue to enable PFC watchdog. That is pfcwd_sw_enable. Field Description pfc_enable Specify on which queues to enable PFC pfcwd_sw_enable Specify on which queues to enable software PFC watchdog HLD DSCP remapping Change in orchagent Update orchagent to support new field pfcwd_sw_enable How I did it Update db_migrator. How to verify it Verified by UT Verified by copying the updated db_migrator.py to a SONiC box and run db_migrator.py -o migrate
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The high-level design doc for DSCP/TC remapping for tunnel traffic.
The implementation PRs are
TC_TO_DSCP_MAPfor DSCP rewritingAZURE_TUNNELtable for QoS remapping