commit 1b74a210ce765d315a10993a1bd779785f71574c
author Richard Marian Thomaiyar <richard.marian.thomaiyar@linux.intel.com> Sat Aug 03 13:26:17 2019 +0530
committer Richard Marian Thomaiyar <richard.marian.thomaiyar@linux.intel.com> Wed Aug 21 08:12:12 2019 +0000
tree 114ff3e1baacfa5d305f18950026784f1709145b
parent 4cc10159a93453005c0b6d33ce0824cfc24ebb6d

[Mfg]: Ethernet interface carrier status support

Added support to return carrier status for NC-SI diagnostic
signal type.

Tested:
ipmitool raw 0x30 0x14 0x10 0 0 --> returns 0x01 as output
when BMC is in manufacturing mode.

Change-Id: Ibd2ee38e4cdb39c081e8a2df24305d9509d6fe78
Signed-off-by: Richard Marian Thomaiyar <richard.marian.thomaiyar@linux.intel.com>

src/manufacturingcommands.cpp

diff --git a/src/manufacturingcommands.cpp b/src/manufacturingcommands.cpp
index 45d0630..1bbe14c 100644
--- a/src/manufacturingcommands.cpp
+++ b/src/manufacturingcommands.cpp
@@ -15,6 +15,7 @@
 */
 
 #include <boost/container/flat_map.hpp>
+#include <fstream>
 #include <ipmid/api.hpp>
 #include <manufacturingcommands.hpp>
 #include <oemcommands.hpp>
@@ -399,6 +400,23 @@
             return ipmi::responseSuccess(sensorVal, std::nullopt);
         }
         break;
+        case SmSignalGet::smNcsiDiag:
+        {
+            constexpr const char* netBasePath = "/sys/class/net/eth";
+            constexpr const char* carrierSuffix = "/carrier";
+            std::ifstream netIfs(netBasePath + std::to_string(instance) +
+                                 carrierSuffix);
+            if (!netIfs.good())
+            {
+                return ipmi::responseInvalidFieldRequest();
+            }
+            std::string carrier;
+            netIfs >> carrier;
+            resetMtmTimer(yield);
+            return ipmi::responseSuccess(
+                static_cast<uint8_t>(std::stoi(carrier)), std::nullopt);
+        }
+        break;
         default:
             return ipmi::responseInvalidFieldRequest();
             break;