diff options
Diffstat (limited to 'examples/kni/main.c')
| -rw-r--r-- | examples/kni/main.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/examples/kni/main.c b/examples/kni/main.c index e37b1ad3..a58774a3 100644 --- a/examples/kni/main.c +++ b/examples/kni/main.c @@ -132,6 +132,7 @@ static int kni_config_network_interface(uint16_t port_id, uint8_t if_up); static int kni_config_mac_address(uint16_t port_id, uint8_t mac_addr[]); static rte_atomic32_t kni_stop = RTE_ATOMIC32_INIT(0); +static rte_atomic32_t kni_pause = RTE_ATOMIC32_INIT(0); /* Print out statistics on packets handled */ static void @@ -276,6 +277,7 @@ main_loop(__rte_unused void *arg) { uint16_t i; int32_t f_stop; + int32_t f_pause; const unsigned lcore_id = rte_lcore_id(); enum lcore_rxtx { LCORE_NONE, @@ -304,8 +306,11 @@ main_loop(__rte_unused void *arg) kni_port_params_array[i]->port_id); while (1) { f_stop = rte_atomic32_read(&kni_stop); + f_pause = rte_atomic32_read(&kni_pause); if (f_stop) break; + if (f_pause) + continue; kni_ingress(kni_port_params_array[i]); } } else if (flag == LCORE_TX) { @@ -314,8 +319,11 @@ main_loop(__rte_unused void *arg) kni_port_params_array[i]->port_id); while (1) { f_stop = rte_atomic32_read(&kni_stop); + f_pause = rte_atomic32_read(&kni_pause); if (f_stop) break; + if (f_pause) + continue; kni_egress(kni_port_params_array[i]); } } else @@ -807,12 +815,16 @@ kni_config_network_interface(uint16_t port_id, uint8_t if_up) RTE_LOG(INFO, APP, "Configure network interface of %d %s\n", port_id, if_up ? "up" : "down"); + rte_atomic32_inc(&kni_pause); + if (if_up != 0) { /* Configure network interface up */ rte_eth_dev_stop(port_id); ret = rte_eth_dev_start(port_id); } else /* Configure network interface down */ rte_eth_dev_stop(port_id); + rte_atomic32_dec(&kni_pause); + if (ret < 0) RTE_LOG(ERR, APP, "Failed to start port %d\n", port_id); |