Update libfabric ver to 1.21

This should resolve provider hangs during AWS tests

Signed-off-by: Alexey Rivkin <[email protected]>

Author: Alexey-Rivkin

src/utils/libfabric/libfabric_common.cpp

@@ -50,7 +50,7 @@ getAvailableNetworkDevices() {
     hints->mode = FI_CONTEXT;
     hints->ep_attr->type = FI_EP_RDM;
 
-    int ret = fi_getinfo(FI_VERSION(1, 18), NULL, NULL, 0, hints, &info);
+    int ret = fi_getinfo(FI_VERSION(1, 21), NULL, NULL, 0, hints, &info);
     if (ret) {
         NIXL_ERROR << "fi_getinfo failed " << fi_strerror(-ret);
         fi_freeinfo(hints);

src/utils/libfabric/libfabric_rail.cpp

@@ -431,7 +431,7 @@ nixlLibfabricRail::nixlLibfabricRail(const std::string &device,
     hints->domain_attr->threading = FI_THREAD_SAFE;
     try {
         // Get fabric info for this specific device - first try with FI_HMEM
-        int ret = fi_getinfo(FI_VERSION(1, 18), NULL, NULL, 0, hints, &info);
+        int ret = fi_getinfo(FI_VERSION(1, 21), NULL, NULL, 0, hints, &info);
 
         // If no provider found with FI_HMEM, retry without it
         if (ret || !info) {
@@ -442,7 +442,7 @@ nixlLibfabricRail::nixlLibfabricRail(const std::string &device,
             hints->caps = FI_MSG | FI_RMA;
             hints->caps |= FI_LOCAL_COMM | FI_REMOTE_COMM;
 
-            ret = fi_getinfo(FI_VERSION(1, 18), NULL, NULL, 0, hints, &info);
+            ret = fi_getinfo(FI_VERSION(1, 21), NULL, NULL, 0, hints, &info);
             if (ret) {
                 NIXL_ERROR << "fi_getinfo failed for rail " << rail_id << ": " << fi_strerror(-ret);
                 throw std::runtime_error("fi_getinfo failed for rail " + std::to_string(rail_id));

src/utils/libfabric/libfabric_topology.cpp

@@ -381,7 +381,7 @@ nixlLibfabricTopology::buildPcieToLibfabricMapping() {
     // This ensures consistency between device discovery and PCIe mapping
     hints->fabric_attr->prov_name = strdup(provider_name.c_str());
 
-    int ret = fi_getinfo(FI_VERSION(1, 18), NULL, NULL, 0, hints, &info);
+    int ret = fi_getinfo(FI_VERSION(1, 21), NULL, NULL, 0, hints, &info);
     if (ret) {
         NIXL_ERROR << "fi_getinfo failed for PCIe mapping with provider " << provider_name << ": "
                    << fi_strerror(-ret);