[mlxlink] #2429526: Adding support for the remote loopback mode

Author: kstntnm

mlxlink/modules/mlxlink_commander.cpp

@@ -3605,8 +3605,8 @@ void MlxlinkCommander::checkPplrCap()
         if (!(loopBackCap & getLoopbackMode(_userInput._pplrLB))) {
             string supportedLoopbacks = getLoopbackStr(loopBackCap);
             throw MlxRegException("selected loopback not supported\n"
-                    "Supported Loopback modes for the device: [%s], "
-                    "see help menu for details", supportedLoopbacks.c_str());
+                    "Supported Loopback modes for the device: [%s]",
+                    supportedLoopbacks.c_str());
         }
     }
 }
@@ -3633,8 +3633,11 @@ void MlxlinkCommander::sendPplr()
 u_int32_t MlxlinkCommander::getLoopbackMode(const string &lb)
 {
     if (lb == "NO") {
-            return PHY_NO_LOOPBACK;
-        }
+        return PHY_NO_LOOPBACK;
+    }
+    if (lb == "RM") {
+        return PHY_REMOTE_LOOPBACK;
+    }
     if (lb == "PH") {
         return PHY_LOCAL_LOOPBACK;
     }

mlxlink/modules/mlxlink_commander.h

@@ -529,7 +529,7 @@ class MlxlinkCommander: public MlxlinkRegParser {
     string getPrbsModeRX();
     u_int32_t getPrbsRateRX();
     string getSupportedPrbsModes(u_int32_t modeSelector);
-    virtual u_int32_t getLoopbackMode(const string &lb);
+    u_int32_t getLoopbackMode(const string &lb);
     string getLoopbackStr(u_int32_t loopbackCapMask);
     int getLinkDown();
     float getRawBERLimit();

mlxlink/modules/mlxlink_ui.cpp

@@ -110,7 +110,7 @@ void MlxlinkUi::printSynopsisCommands()
     MlxlinkRecord::printFlagLine(PTYS_LINK_MODE_FORCE_FLAG_SHORT, PTYS_LINK_MODE_FORCE_FLAG, "",
                   "Configure Link Mode Force (Disable AN)");
     MlxlinkRecord::printFlagLine(PPLR_FLAG_SHORT, PPLR_FLAG, "loopback",
-                  "Configure Loopback Mode [NO(no loopback)/PH(phy loopback)/EX(external loopback)]");
+                  "Configure Loopback Mode [NO(no loopback)/RM(phy remote loopback)/PH(phy loopback)/EX(external loopback)]");
     MlxlinkRecord::printFlagLine(PPLM_FLAG_SHORT, PPLM_FLAG, "fec_override",
                   "Configure FEC [AU(Auto)/NF(No-FEC)/FC(FireCode FEC)/RS(RS-FEC)]");
     printf(IDENT);