[sophia][mercantour7] add infiniband support

data/grid5000/sites/sophia/clusters/mercantour7/nodes/mercantour7-1.json

@@ -194,24 +194,22 @@
     },
     {
       "device": "ib0",
-      "driver": "ib_ipoib",
+      "driver": "mlx4_core",
       "enabled": true,
       "firmware_version": "2.42.5000",
       "guid": "0x1c34da0300e46d11",
       "interface": "InfiniBand",
       "ip": "172.18.130.47",
       "kavlan": false,
-      "mac": "80:00:02:08:fe:80:00:00:00:00:00:00:1c:34:da:03:00:e4:6d:11",
+      "mac": "1c:34:da:03:00:e4:6d:11",
       "management": false,
       "model": "MT27520 Family [ConnectX-3 Pro]",
       "mountable": true,
       "mounted": true,
-      "name": "ibp161s0",
+      "name": "ib0",
       "netmask": "255.255.240.0",
       "network_address": "mercantour7-1-ib0.sophia.grid5000.fr",
       "rate": 40000000000,
-      "sriov": true,
-      "sriov_totalvfs": 8,
       "vendor": "Mellanox Technologies"
     },
     {

input/grid5000/sites/sophia/clusters/mercantour7/nodes/mercantour7-1.yaml

@@ -121,17 +121,16 @@ mercantour7-1:
       sriov_totalvfs: 0
       vendor: Broadcom Inc. and subsidiaries
     ib0:
-      driver: ib_ipoib
+      driver: mlx4_core
       firmware_version: 2.42.5000
       guid: '0x1c34da0300e46d11'
       interface: InfiniBand
-      mac: 80:00:02:08:fe:80:00:00:00:00:00:00:1c:34:da:03:00:e4:6d:11
+      ip: 172.18.130.47
+      mac: 1c:34:da:03:00:e4:6d:11
       management: false
       model: MT27520 Family [ConnectX-3 Pro]
-      name: ibp161s0
+      name: ib0
       rate: 40000000000
-      sriov: true
-      sriov_totalvfs: 8
       vendor: Mellanox Technologies
   operating_system:
     cstate_driver: acpi_idle