+static void
+log_link_state(struct rte_kni *kni, int prev, struct rte_eth_link *link)
+{
+ if (kni == NULL || link == NULL)
+ return;
+
+ if (prev == ETH_LINK_DOWN && link->link_status == ETH_LINK_UP) {
+ RTE_LOG(INFO, APP, "%s NIC Link is Up %d Mbps %s %s.\n",
+ rte_kni_get_name(kni),
+ link->link_speed,
+ link->link_autoneg ? "(AutoNeg)" : "(Fixed)",
+ link->link_duplex ? "Full Duplex" : "Half Duplex");
+ } else if (prev == ETH_LINK_UP && link->link_status == ETH_LINK_DOWN) {
+ RTE_LOG(INFO, APP, "%s NIC Link is Down.\n",
+ rte_kni_get_name(kni));
+ }
+}
+
+/*
+ * Monitor the link status of all ports and update the
+ * corresponding KNI interface(s)
+ */
+static void *
+monitor_all_ports_link_status(void *arg)
+{
+ uint16_t portid;
+ struct rte_eth_link link;
+ unsigned int i;
+ struct kni_port_params **p = kni_port_params_array;
+ int prev;
+ (void) arg;
+ int ret;
+
+ while (monitor_links) {
+ rte_delay_ms(500);
+ RTE_ETH_FOREACH_DEV(portid) {
+ if ((ports_mask & (1 << portid)) == 0)
+ continue;
+ memset(&link, 0, sizeof(link));
+ ret = rte_eth_link_get_nowait(portid, &link);
+ if (ret < 0) {
+ RTE_LOG(ERR, APP,
+ "Get link failed (port %u): %s\n",
+ portid, rte_strerror(-ret));
+ continue;
+ }
+ for (i = 0; i < p[portid]->nb_kni; i++) {
+ prev = rte_kni_update_link(p[portid]->kni[i],
+ link.link_status);
+ log_link_state(p[portid]->kni[i], prev, &link);
+ }
+ }
+ }
+ return NULL;
+}
+