Add support for SAI_SWITCH_ATTR_AVAILABLE_IPMC_ENTRY needed by CRM

Signed-off-by: Prabhu Sreenivasan <prabhu.sreenivasan@broadcom.com>

Author: Prabhu Sreenivasan

vslib/inc/SwitchStateBase.h

@@ -490,6 +490,7 @@ namespace saivs
 
             constexpr static const int m_maxSNATEntries = 100;
             constexpr static const int m_maxDNATEntries = 100;
+            constexpr static const int m_maxIPMCEntries = 100;
             constexpr static const int m_maxDoubleNATEntries = 50; /* Half of single NAT entry */
 
             constexpr static const int m_maxAclTables = 3;

vslib/src/SwitchStateBase.cpp

@@ -883,6 +883,7 @@ sai_status_t SwitchStateBase::set_static_crm_values()
         { SAI_SWITCH_ATTR_AVAILABLE_FDB_ENTRY, m_maxFdbEntries },
         { SAI_SWITCH_ATTR_AVAILABLE_SNAT_ENTRY, m_maxSNATEntries },
         { SAI_SWITCH_ATTR_AVAILABLE_DNAT_ENTRY, m_maxDNATEntries },
+        { SAI_SWITCH_ATTR_AVAILABLE_IPMC_ENTRY, m_maxIPMCEntries },
         { SAI_SWITCH_ATTR_AVAILABLE_DOUBLE_NAT_ENTRY, m_maxDoubleNATEntries }
     };
 
@@ -1787,6 +1788,7 @@ sai_status_t SwitchStateBase::refresh_read_only(
             case SAI_SWITCH_ATTR_AVAILABLE_ACL_TABLE_GROUP:
             case SAI_SWITCH_ATTR_AVAILABLE_SNAT_ENTRY:
             case SAI_SWITCH_ATTR_AVAILABLE_DNAT_ENTRY:
+            case SAI_SWITCH_ATTR_AVAILABLE_IPMC_ENTRY:
             case SAI_SWITCH_ATTR_AVAILABLE_DOUBLE_NAT_ENTRY:
                 return SAI_STATUS_SUCCESS;