Try get port operational speed from STATE DB (sonic-net#2119)

* Put port operational speed to STATE DB
* Remove previous workaround [orchagent] Put port configuration to APPL_DB according to autoneg mode sonic-net#1769

Author: Junchao-Mellanox

orchagent/portsorch.cpp

@@ -4934,7 +4934,7 @@ bool PortsOrch::addLag(string lag_alias, uint32_t spa_id, int32_t switch_id)
     auto lagport = m_portList.find(lag_alias);
     if (lagport != m_portList.end())
     {
-        /* The deletion of bridgeport attached to the lag may still be 
+        /* The deletion of bridgeport attached to the lag may still be
          * pending due to fdb entries still present on the lag. Wait
          * until the cleanup is done.
          */
@@ -5628,8 +5628,12 @@ void PortsOrch::doTask(NotificationConsumer &consumer)
                     SWSS_LOG_NOTICE("%s oper speed is %d", port.m_alias.c_str(), speed);
                     updateDbPortOperSpeed(port, speed);
                 }
+                else
+                {
+                    updateDbPortOperSpeed(port, 0);
+                }
             }
-
+            
             /* update m_portList */
             m_portList[port.m_alias] = port;
         }
@@ -5689,9 +5693,9 @@ void PortsOrch::updateDbPortOperSpeed(Port &port, sai_uint32_t speed)
     SWSS_LOG_ENTER();
 
     vector<FieldValueTuple> tuples;
-    FieldValueTuple tuple("speed", to_string(speed));
-    tuples.push_back(tuple);
-    m_portTable->set(port.m_alias, tuples);
+    string speedStr = speed != 0 ? to_string(speed) : "N/A";
+    tuples.emplace_back(std::make_pair("speed", speedStr));
+    m_portStateTable.set(port.m_alias, tuples);
 
     // We don't set port.m_speed = speed here, because CONFIG_DB still hold the old
     // value. If we set it here, next time configure any attributes related port will
@@ -5738,6 +5742,10 @@ void PortsOrch::refreshPortStatus()
                 SWSS_LOG_INFO("%s oper speed is %d", port.m_alias.c_str(), speed);
                 updateDbPortOperSpeed(port, speed);
             }
+            else
+            {
+                updateDbPortOperSpeed(port, 0);
+            }
         }
     }
 }

portsyncd/portsyncd.cpp

@@ -228,11 +228,6 @@ void handlePortConfigFromConfigDB(ProducerStateTable &p, DBConnector &cfgDb, boo
 
 void handlePortConfig(ProducerStateTable &p, map<string, KeyOpFieldsValuesTuple> &port_cfg_map)
 {
-    string autoneg;
-    vector<FieldValueTuple> attrs;
-    vector<FieldValueTuple> autoneg_attrs;
-    vector<FieldValueTuple> force_attrs;
-
     auto it = port_cfg_map.begin();
     while (it != port_cfg_map.end())
     {
@@ -247,54 +242,7 @@ void handlePortConfig(ProducerStateTable &p, map<string, KeyOpFieldsValuesTuple>
             /* No support for port delete yet */
             if (op == SET_COMMAND)
             {
-                
-                for (auto i : values)
-                {
-                    auto field = fvField(i);
-                    if (field == "adv_speeds")
-                    {
-                        autoneg_attrs.push_back(i);
-                    }
-                    else if (field == "adv_interface_types")
-                    {
-                        autoneg_attrs.push_back(i);
-                    }
-                    else if (field == "speed")
-                    {
-                        force_attrs.push_back(i);
-                    }
-                    else if (field == "interface_type")
-                    {
-                        force_attrs.push_back(i);
-                    }
-                    else if (field == "autoneg")
-                    {
-                        autoneg = fvValue(i);
-                        attrs.push_back(i);
-                    }
-                    else 
-                    {
-                        attrs.push_back(i);
-                    }
-                }
-                if (autoneg == "on") // autoneg is on, only put adv_speeds and adv_interface_types to APPL_DB
-                {
-                    attrs.insert(attrs.end(), autoneg_attrs.begin(), autoneg_attrs.end());
-                }
-                else if (autoneg == "off") // autoneg is off, only put speed and interface_type to APPL_DB
-                {
-                    attrs.insert(attrs.end(), force_attrs.begin(), force_attrs.end());
-                }
-                else // autoneg is not configured, put all attributes to APPL_DB
-                {
-                    attrs.insert(attrs.end(), autoneg_attrs.begin(), autoneg_attrs.end());
-                    attrs.insert(attrs.end(), force_attrs.begin(), force_attrs.end());
-                }
-                p.set(key, attrs);
-                attrs.clear();
-                autoneg_attrs.clear();
-                force_attrs.clear();
-                autoneg.clear();
+                p.set(key, values);
             }
 
             it = port_cfg_map.erase(it);