Add ut for _ibv_query_gid_ex _ibv_query_gid_table calls (#30472)

Author: dcherednik

ydb/library/actors/interconnect/rdma/ut/ibv_ut.cpp

@@ -20,10 +20,33 @@ TEST_F(TIbvSuite, ListDevice) {
         ibv_device_attr devAttrs;
         UNIT_ASSERT_C(ibv_query_device(ctx, &devAttrs) == 0, strerror(errno));
 
+        {
+            std::array<ibv_gid_entry, 10> entries;
+            ssize_t rv = ibv_query_gid_table(ctx, entries.data(), entries.size(), 0);
+            UNIT_ASSERT(rv > 0);
+            bool roceV2Found = false;
+            for (ssize_t i = 0; i < rv; i++) {
+                roceV2Found |= (entries[i].gid_type == IBV_GID_TYPE_ROCE_V2);
+            }
+            UNIT_ASSERT(roceV2Found);
+        }
+
         for (int port = 1; port <= devAttrs.phys_port_cnt; ++port) {
             ibv_port_attr portAttrs;
             UNIT_ASSERT_C(ibv_query_port(ctx, port, &portAttrs) == 0, strerror(errno));
             Cerr << "port " << port << " speed: " << (int)portAttrs.active_speed << Endl;
+
+            bool roceV2Found = false;
+            for (int gidIndex = 0; gidIndex < portAttrs.gid_tbl_len; gidIndex++ ) {
+                struct ibv_gid_entry entry;
+                Cerr << "port:  " << port << " " << gidIndex << Endl;
+                int rv = ibv_query_gid_ex(ctx, port, gidIndex, &entry, 0);
+                if (rv < 0) {
+                    continue;
+                }
+                roceV2Found |= (entry.gid_type == IBV_GID_TYPE_ROCE_V2);
+            }
+            UNIT_ASSERT(roceV2Found);
         }
 
         UNIT_ASSERT(ibv_close_device(ctx) == 0);