uhd: dpdk: Fix compiler warnings for gcc15

- Some DPDK methods were not checking their return values; now they do
  and trigger exceptions upon failure.
- cstdbool was included, despite us using C++17 which makes that
  obsolete.

host/lib/transport/uhd-dpdk/dpdk_common.cpp

@@ -13,6 +13,7 @@
 #include <uhdlib/utils/prefs.hpp>
 #include <arpa/inet.h>
 #include <rte_arp.h>
+#include <rte_errno.h>
 #include <boost/algorithm/string.hpp>
 
 namespace uhd { namespace transport { namespace dpdk {
@@ -92,7 +93,12 @@ dpdk_port::dpdk_port(port_id_t port,
 
     /* Set hardware offloads */
     struct rte_eth_dev_info dev_info;
-    rte_eth_dev_info_get(_port, &dev_info);
+    if (rte_eth_dev_info_get(_port, &dev_info)) {
+        UHD_LOG_THROW(uhd::runtime_error,
+            "DPDK",
+            "Could not get device info for port " << _port << ": "
+                                                  << rte_strerror(rte_errno));
+    }
 #ifdef RTE_ETH_RX_OFFLOAD_IPV4_CKSUM
     uint64_t rx_offloads = RTE_ETH_RX_OFFLOAD_IPV4_CKSUM;
     uint64_t tx_offloads = RTE_ETH_TX_OFFLOAD_IPV4_CKSUM;
@@ -588,7 +594,12 @@ void dpdk_ctx::init(const device_addr_t& user_args)
             for (auto& port : _ports) {
                 struct rte_eth_link link;
                 auto portid = port.second->get_port_id();
-                rte_eth_link_get(portid, &link);
+                if (rte_eth_link_get(portid, &link)) {
+                    UHD_LOG_THROW(uhd::runtime_error,
+                        "DPDK",
+                        "Could not get link status for port "
+                            << portid << ". Error: " << rte_strerror(rte_errno));
+                }
                 unsigned int link_status = link.link_status;
                 unsigned int link_speed  = link.link_speed;
                 UHD_LOGGER_TRACE("DPDK") << boost::format("Port %u UP: %d, %u Mbps")
@@ -673,7 +684,12 @@ int dpdk_ctx::get_port_queue_count(port_id_t portid)
 int dpdk_ctx::get_port_link_status(port_id_t portid) const
 {
     struct rte_eth_link link;
-    rte_eth_link_get_nowait(portid, &link);
+    if (rte_eth_link_get_nowait(portid, &link)) {
+        UHD_LOG_THROW(uhd::runtime_error,
+            "DPDK",
+            "Could not get link status for port "
+                << portid << ". Error: " << rte_strerror(rte_errno));
+    }
     return link.link_status;
 }
 

host/tests/dpdk_test.cpp

@@ -20,7 +20,6 @@
 #include <sys/time.h>
 #include <unistd.h>
 #include <boost/program_options.hpp>
-#include <cstdbool>
 #include <cstdio>
 #include <cstring>
 #include <iostream>