X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=examples%2Flink_status_interrupt%2Fmain.c;h=a924aa231312dbb9211259e79238430d6b08c274;hb=965b3127d4259c25c61eefefb082c042f3c87142;hp=be57e6a98221365059b75c0e23033fad731ee598;hpb=f430bbcecf3eed93916f45654f51dd19d6955aa2;p=dpdk.git

diff --git a/examples/link_status_interrupt/main.c b/examples/link_status_interrupt/main.c
index be57e6a982..a924aa2313 100644
--- a/examples/link_status_interrupt/main.c
+++ b/examples/link_status_interrupt/main.c
@@ -117,6 +117,7 @@ print_stats(void)
 
 	const char clr[] = { 27, '[', '2', 'J', '\0' };
 	const char topLeft[] = { 27, '[', '1', ';', '1', 'H','\0' };
+	int link_get_err;
 
 		/* Clear screen and move to top left */
 	printf("%s%s", clr, topLeft);
@@ -129,7 +130,7 @@ print_stats(void)
 			continue;
 
 		memset(&link, 0, sizeof(link));
-		rte_eth_link_get_nowait(portid, &link);
+		link_get_err = rte_eth_link_get_nowait(portid, &link);
 		printf("\nStatistics for port %u ------------------------------"
 			   "\nLink status: %25s"
 			   "\nLink speed: %26u"
@@ -138,8 +139,11 @@ print_stats(void)
 			   "\nPackets received: %20"PRIu64
 			   "\nPackets dropped: %21"PRIu64,
 			   portid,
+			   link_get_err < 0 ? "Link get failed" :
 			   (link.link_status ? "Link up" : "Link down"),
-			   (unsigned)link.link_speed,
+			   link_get_err < 0 ? 0 :
+					(unsigned int)link.link_speed,
+			   link_get_err < 0 ? "Link get failed" :
 			   (link.link_duplex == ETH_LINK_FULL_DUPLEX ? \
 					"full-duplex" : "half-duplex"),
 			   port_statistics[portid].tx,
@@ -438,13 +442,19 @@ lsi_event_callback(uint16_t port_id, enum rte_eth_event_type type, void *param,
 		    void *ret_param)
 {
 	struct rte_eth_link link;
+	int ret;
 
 	RTE_SET_USED(param);
 	RTE_SET_USED(ret_param);
 
 	printf("\n\nIn registered callback...\n");
 	printf("Event type: %s\n", type == RTE_ETH_EVENT_INTR_LSC ? "LSC interrupt" : "unknown event");
-	rte_eth_link_get_nowait(port_id, &link);
+	ret = rte_eth_link_get_nowait(port_id, &link);
+	if (ret < 0) {
+		printf("Failed link get on port %d: %s\n",
+		       port_id, rte_strerror(-ret));
+		return ret;
+	}
 	if (link.link_status) {
 		printf("Port %d Link Up - speed %u Mbps - %s\n\n",
 				port_id, (unsigned)link.link_speed,
@@ -465,6 +475,7 @@ check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
 	uint8_t count, all_ports_up, print_flag = 0;
 	uint16_t portid;
 	struct rte_eth_link link;
+	int ret;
 
 	printf("\nChecking link status");
 	fflush(stdout);
@@ -474,7 +485,14 @@ check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
 			if ((port_mask & (1 << portid)) == 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)
@@ -639,8 +657,12 @@ main(int argc, char **argv)
 		rte_eth_dev_callback_register(portid,
 			RTE_ETH_EVENT_INTR_LSC, lsi_event_callback, NULL);
 
-		rte_eth_macaddr_get(portid,
+		ret = rte_eth_macaddr_get(portid,
 				    &lsi_ports_eth_addr[portid]);
+		if (ret < 0)
+			rte_exit(EXIT_FAILURE,
+				 "rte_eth_macaddr_get: err=%d, port=%u\n",
+				 ret, (unsigned int)portid);
 
 		/* init one RX queue */
 		fflush(stdout);