static uint32_t ports_mask = 0;
/* Ports set in promiscuous mode off by default. */
static int promiscuous_on = 0;
+/* Monitor link status continually. off by default. */
+static int monitor_links;
/* Structure type for recording kni interface specific stats */
struct kni_interface_stats {
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
/* When we receive a USR2 signal, reset stats */
if (signum == SIGUSR2) {
memset(&kni_stats, 0, sizeof(kni_stats));
- printf("\n**Statistics have been reset**\n");
+ printf("\n** Statistics have been reset **\n");
return;
}
/* When we receive a RTMIN or SIGINT signal, stop kni processing */
if (signum == SIGRTMIN || signum == SIGINT){
- printf("SIGRTMIN is received, and the KNI processing is "
- "going to stop\n");
+ printf("\nSIGRTMIN/SIGINT received. KNI processing stopping.\n");
rte_atomic32_inc(&kni_stop);
return;
}
}
/* Burst tx to kni */
num = rte_kni_tx_burst(p->kni[i], pkts_burst, nb_rx);
- kni_stats[port_id].rx_packets += num;
+ if (num)
+ kni_stats[port_id].rx_packets += num;
rte_kni_handle_request(p->kni[i]);
if (unlikely(num < nb_rx)) {
}
/* Burst tx to eth */
nb_tx = rte_eth_tx_burst(port_id, 0, pkts_burst, (uint16_t)num);
- kni_stats[port_id].tx_packets += nb_tx;
+ if (nb_tx)
+ kni_stats[port_id].tx_packets += nb_tx;
if (unlikely(nb_tx < num)) {
/* Free mbufs not tx to NIC */
kni_burst_free_mbufs(&pkts_burst[nb_tx], num - nb_tx);
{
uint16_t i;
int32_t f_stop;
+ int32_t f_pause;
const unsigned lcore_id = rte_lcore_id();
enum lcore_rxtx {
LCORE_NONE,
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) {
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
static void
print_usage(const char *prgname)
{
- RTE_LOG(INFO, APP, "\nUsage: %s [EAL options] -- -p PORTMASK -P "
+ RTE_LOG(INFO, APP, "\nUsage: %s [EAL options] -- -p PORTMASK -P -m "
"[--config (port,lcore_rx,lcore_tx,lcore_kthread...)"
"[,(port,lcore_rx,lcore_tx,lcore_kthread...)]]\n"
" -p PORTMASK: hex bitmask of ports to use\n"
" -P : enable promiscuous mode\n"
+ " -m : enable monitoring of port carrier state\n"
" --config (port,lcore_rx,lcore_tx,lcore_kthread...): "
"port and lcore configurations\n",
prgname);
opterr = 0;
/* Parse command line */
- while ((opt = getopt_long(argc, argv, "p:P", longopts,
+ while ((opt = getopt_long(argc, argv, "p:Pm", longopts,
&longindex)) != EOF) {
switch (opt) {
case 'p':
case 'P':
promiscuous_on = 1;
break;
+ case 'm':
+ monitor_links = 1;
+ break;
case 0:
if (!strncmp(longopts[longindex].name,
CMDLINE_OPT_CONFIG,
/* Initialise device and RX/TX queues */
RTE_LOG(INFO, APP, "Initialising port %u ...\n", (unsigned)port);
fflush(stdout);
- rte_eth_dev_info_get(port, &dev_info);
+
+ ret = rte_eth_dev_info_get(port, &dev_info);
+ if (ret != 0)
+ rte_exit(EXIT_FAILURE,
+ "Error during getting device (port %u) info: %s\n",
+ port, strerror(-ret));
+
if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
local_port_conf.txmode.offloads |=
DEV_TX_OFFLOAD_MBUF_FAST_FREE;
rte_exit(EXIT_FAILURE, "Could not start port%u (%d)\n",
(unsigned)port, ret);
- if (promiscuous_on)
- rte_eth_promiscuous_enable(port);
+ if (promiscuous_on) {
+ ret = rte_eth_promiscuous_enable(port);
+ if (ret != 0)
+ rte_exit(EXIT_FAILURE,
+ "Could not enable promiscuous mode for port%u: %s\n",
+ port, rte_strerror(-ret));
+ }
}
/* Check the link status of all ports in up to 9s, and print them finally */
uint16_t portid;
uint8_t count, all_ports_up, print_flag = 0;
struct rte_eth_link link;
+ int ret;
printf("\nChecking link status\n");
fflush(stdout);
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)
}
}
+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;
+}
+
/* Callback for request of changing MTU */
static int
kni_change_mtu(uint16_t port_id, unsigned int new_mtu)
memcpy(&conf, &port_conf, sizeof(conf));
/* Set new MTU */
- if (new_mtu > ETHER_MAX_LEN)
+ if (new_mtu > RTE_ETHER_MAX_LEN)
conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
else
conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
"for port%u (%d)\n", (unsigned int)port_id,
ret);
- rte_eth_dev_info_get(port_id, &dev_info);
+ ret = rte_eth_dev_info_get(port_id, &dev_info);
+ if (ret != 0) {
+ RTE_LOG(ERR, APP,
+ "Error during getting device (port %u) info: %s\n",
+ port_id, strerror(-ret));
+
+ return ret;
+ }
+
rxq_conf = dev_info.default_rxconf;
rxq_conf.offloads = conf.rxmode.offloads;
ret = rte_eth_rx_queue_setup(port_id, 0, nb_rxd,
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);
}
static void
-print_ethaddr(const char *name, struct ether_addr *mac_addr)
+print_ethaddr(const char *name, struct rte_ether_addr *mac_addr)
{
- char buf[ETHER_ADDR_FMT_SIZE];
- ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, mac_addr);
+ char buf[RTE_ETHER_ADDR_FMT_SIZE];
+ rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, mac_addr);
RTE_LOG(INFO, APP, "\t%s%s\n", name, buf);
}
}
RTE_LOG(INFO, APP, "Configure mac address of %d\n", port_id);
- print_ethaddr("Address:", (struct ether_addr *)mac_addr);
+ print_ethaddr("Address:", (struct rte_ether_addr *)mac_addr);
ret = rte_eth_dev_default_mac_addr_set(port_id,
- (struct ether_addr *)mac_addr);
+ (struct rte_ether_addr *)mac_addr);
if (ret < 0)
RTE_LOG(ERR, APP, "Failed to config mac_addr for port %d\n",
port_id);
struct rte_kni *kni;
struct rte_kni_conf conf;
struct kni_port_params **params = kni_port_params_array;
+ int ret;
if (port_id >= RTE_MAX_ETHPORTS || !params[port_id])
return -1;
if (i == 0) {
struct rte_kni_ops ops;
struct rte_eth_dev_info dev_info;
- const struct rte_pci_device *pci_dev;
- const struct rte_bus *bus = NULL;
-
- memset(&dev_info, 0, sizeof(dev_info));
- rte_eth_dev_info_get(port_id, &dev_info);
-
- if (dev_info.device)
- bus = rte_bus_find_by_device(dev_info.device);
- if (bus && !strcmp(bus->name, "pci")) {
- pci_dev = RTE_DEV_TO_PCI(dev_info.device);
- conf.addr = pci_dev->addr;
- conf.id = pci_dev->id;
- }
+
+ ret = rte_eth_dev_info_get(port_id, &dev_info);
+ if (ret != 0)
+ rte_exit(EXIT_FAILURE,
+ "Error during getting device (port %u) info: %s\n",
+ port_id, strerror(-ret));
+
/* Get the interface default mac address */
- rte_eth_macaddr_get(port_id,
- (struct ether_addr *)&conf.mac_addr);
+ ret = rte_eth_macaddr_get(port_id,
+ (struct rte_ether_addr *)&conf.mac_addr);
+ if (ret != 0)
+ rte_exit(EXIT_FAILURE,
+ "Failed to get MAC address (port %u): %s\n",
+ port_id, rte_strerror(-ret));
rte_eth_dev_get_mtu(port_id, &conf.mtu);
+ conf.min_mtu = dev_info.min_mtu;
+ conf.max_mtu = dev_info.max_mtu;
+
memset(&ops, 0, sizeof(ops));
ops.port_id = port_id;
ops.change_mtu = kni_change_mtu;
int ret;
uint16_t nb_sys_ports, port;
unsigned i;
+ void *retval;
+ pthread_t kni_link_tid;
+ int pid;
/* Associate signal_hanlder function with USR signals */
signal(SIGUSR1, signal_handler);
}
check_all_ports_link_status(ports_mask);
+ pid = getpid();
+ RTE_LOG(INFO, APP, "========================\n");
+ RTE_LOG(INFO, APP, "KNI Running\n");
+ RTE_LOG(INFO, APP, "kill -SIGUSR1 %d\n", pid);
+ RTE_LOG(INFO, APP, " Show KNI Statistics.\n");
+ RTE_LOG(INFO, APP, "kill -SIGUSR2 %d\n", pid);
+ RTE_LOG(INFO, APP, " Zero KNI Statistics.\n");
+ RTE_LOG(INFO, APP, "========================\n");
+ fflush(stdout);
+
+ ret = rte_ctrl_thread_create(&kni_link_tid,
+ "KNI link status check", NULL,
+ monitor_all_ports_link_status, NULL);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE,
+ "Could not create link status thread!\n");
+
/* Launch per-lcore function on every lcore */
rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
RTE_LCORE_FOREACH_SLAVE(i) {
if (rte_eal_wait_lcore(i) < 0)
return -1;
}
+ monitor_links = 0;
+ pthread_join(kni_link_tid, &retval);
/* Release resources */
RTE_ETH_FOREACH_DEV(port) {