examples: check status of getting link info

[dpdk.git] / examples / load_balancer / init.c

diff --git a/examples/load_balancer/init.c b/examples/load_balancer/init.c
index 4d49c95..7622267 100644 (file)
--- a/examples/load_balancer/init.c
+++ b/examples/load_balancer/init.c
@@ -331,6 +331,7 @@ check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
        uint16_t portid;
        uint8_t count, all_ports_up, print_flag = 0;
        struct rte_eth_link link;
+       int ret;
        uint32_t n_rx_queues, n_tx_queues;
 
        printf("\nChecking link status");
@@ -345,7 +346,14 @@ check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
                        if ((n_rx_queues == 0) && (n_tx_queues == 0))
                                continue;
                        memset(&link, 0, sizeof(link));
-                       rte_eth_link_get_nowait(portid, &link);
+                       ret = rte_eth_link_get_nowait(portid, &link);
+                       if (ret < 0) {
+                               all_ports_up = 0;
+                               if (print_flag == 1)
+                                       printf("Port %u link get failed: %s\n",
+                                               portid, rte_strerror(-ret));
+                               continue;
+                       }
                        /* print link status if flag set */
                        if (print_flag == 1) {
                                if (link.link_status)