Merge pull request open-mpi#7175 from Akshay-Venkatesh/topic/v4.0.x-openib-cx6-detect

OPAL/MCA/BTL/OPENIB: Detect ConnectX-6 HCAs

Author: gpaulsen

opal/mca/btl/openib/mca-btl-openib-device-params.ini

@@ -190,6 +190,15 @@ max_inline_data = 256
 
 ############################################################################
 
+[Mellanox ConnectX6]
+vendor_id = 0x2c9,0x5ad,0x66a,0x8f1,0x1708,0x03ba,0x15b3,0x119f
+vendor_part_id = 4123
+use_eager_rdma = 1
+mtu = 4096
+max_inline_data = 256
+
+############################################################################
+
 [IBM eHCA 4x and 12x]
 vendor_id = 0x5076
 vendor_part_id = 0

opal/mca/common/verbs/common_verbs_port.c

@@ -94,6 +94,10 @@ int opal_common_verbs_port_bw(struct ibv_port_attr *port_attr,
         /* 12x */
         *bandwidth *= 12;
         break;
+    case 16:
+        /* 16x */
+        *bandwidth *= 16;
+        break;
     default:
         /* Who knows? */
         return OPAL_ERR_NOT_FOUND;