[Vlan]: Added SWSS support to handle new vlan cli OPTIONAL command

[rajkumar38]

vlan type - data/mananagement/control

PR : https://github.com/Azure/sonic-utilities/pull/956 Purpose is to identify the vlan type. This is optional configuration. If not set, it will be treated as regular ("data") vlan (current behavior). Note: SAI PR is separately raised and not merged. Meanwhile, we have hard-coded the values. This can be fixed once SAI PR is merged.

Signed-off-by: Rajkumar Pennadam Ramamoorthy [email protected]

What I did Added SWSS support for new vlan enhancement. type - management/control Why I did it We have a use-case to differentiate managament and control traffic from regular data-traffic in data path. How I verified it configure the command from cli. Check CONFIG_DB,APP_DB and ASIC_DB for "vlan_type" value. Details if related Details of CLI command can be found in PR, https://github.com/Azure/sonic-utilities/pull/956