app/testpmd: request link status interrupt

[dpdk.git] / app / test-pmd / testpmd.c

diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index 28d9b26..f1325ce 100644 (file)
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -270,6 +270,11 @@ uint8_t no_flush_rx = 0; /* flush by default */
  */
 uint8_t no_link_check = 0; /* check by default */
 
+/*
+ * Enable link status change notification
+ */
+uint8_t lsc_interrupt = 1; /* enabled by default */
+
 /*
  * NIC bypass mode configuration options.
  */
@@ -1746,6 +1751,9 @@ check_all_ports_link_status(uint32_t port_mask)
                if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
                        print_flag = 1;
                }
+
+               if (lsc_interrupt)
+                       break;
        }
 }
 
@@ -1929,6 +1937,11 @@ init_port_config(void)
 #ifdef RTE_NIC_BYPASS
                rte_eth_dev_bypass_init(pid);
 #endif
+
+               if (lsc_interrupt &&
+                   (rte_eth_devices[pid].data->dev_flags &
+                    RTE_ETH_DEV_INTR_LSC))
+                       port->dev_conf.intr_conf.lsc = 1;
        }
 }