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Resubmit: use dot1p to tc mapping for backend switches #3422

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merged 4 commits into from
Sep 13, 2019
Merged

Resubmit: use dot1p to tc mapping for backend switches #3422

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86b4843
Use dot1p to tc mapping for backend switches
wendani Sep 4, 2019
558f5ae
Do not write DSCP to TC mapping into CONFIG_DB or config_db.json for
wendani Sep 4, 2019
ba5048c
Deal with the situation when key 'type' is not defined
wendani Sep 9, 2019
964c5c5
Feed DEVICE_METADATA table to qos config gen in vs start
wendani Sep 10, 2019
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20 changes: 20 additions & 0 deletions files/build_templates/qos_config.j2
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@


{%- set pfc_to_pg_map_supported_asics = ['mellanox', 'barefoot', 'marvell'] -%}
{%- set backend_device_types = ['BackEndToRRouter', 'BackEndLeafRouter'] -%}


{
Expand Down Expand Up @@ -72,6 +73,20 @@
"7": "7"
}
},
{% if 'type' in DEVICE_METADATA['localhost'] and DEVICE_METADATA['localhost']['type'] in backend_device_types %}
"DOT1P_TO_TC_MAP": {
"AZURE": {
"0": "0",
"1": "1",
"2": "2",
"3": "3",
"4": "4",
"5": "5",
"6": "6",
"7": "7"
}
},
{% else %}
"DSCP_TO_TC_MAP": {
"AZURE": {
"0" : "1",
Expand Down Expand Up @@ -140,6 +155,7 @@
"63": "1"
}
},
{% endif %}
"SCHEDULER": {
"scheduler.0": {
"type" : "DWRR",
Expand All @@ -160,7 +176,11 @@
{% endif %}
"PORT_QOS_MAP": {
"{{ port_names_active }}": {
{% if 'type' in DEVICE_METADATA['localhost'] and DEVICE_METADATA['localhost']['type'] in backend_device_types %}
"dot1p_to_tc_map" : "[DOT1P_TO_TC_MAP|AZURE]",
{% else %}
"dscp_to_tc_map" : "[DSCP_TO_TC_MAP|AZURE]",
{% endif %}
"tc_to_queue_map" : "[TC_TO_QUEUE_MAP|AZURE]",
"tc_to_pg_map" : "[TC_TO_PRIORITY_GROUP_MAP|AZURE]",
"pfc_to_queue_map": "[MAP_PFC_PRIORITY_TO_QUEUE|AZURE]",
Expand Down
2 changes: 1 addition & 1 deletion platform/vs/docker-sonic-vs/start.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@ if [ -f /etc/sonic/config_db.json ]; then
else
# generate and merge buffers configuration into config file
sonic-cfggen -t /usr/share/sonic/hwsku/buffers.json.j2 > /tmp/buffers.json
sonic-cfggen -t /usr/share/sonic/hwsku/qos.json.j2 > /tmp/qos.json
sonic-cfggen -j /etc/sonic/init_cfg.json -t /usr/share/sonic/hwsku/qos.json.j2 > /tmp/qos.json
sonic-cfggen -p /usr/share/sonic/hwsku/port_config.ini -k $HWSKU --print-data > /tmp/ports.json
sonic-cfggen -j /etc/sonic/init_cfg.json -j /tmp/buffers.json -j /tmp/qos.json -j /tmp/ports.json --print-data > /etc/sonic/config_db.json
fi
Expand Down