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authorDavid Hunt <david.hunt@intel.com>2017-10-11 17:18:52 +0100
committerFerruh Yigit <ferruh.yigit@intel.com>2017-10-12 00:45:32 +0100
commit20c78ac9ee23666a0db12fff7a5bd44d7b0a4db0 (patch)
tree12653a8b9ba844a21be0997ab93cc6c697129e4a /examples/vm_power_manager
parentf14791a8126e04ecac280bdd4a01434cf67caf97 (diff)
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examples/vm_power_mgr: add port initialisation
We need to initialise the port's we're monitoring to be able to see the throughput. Signed-off-by: Nemanja Marjanovic <nemanja.marjanovic@intel.com> Signed-off-by: David Hunt <david.hunt@intel.com> Reviewed-by: Santosh Shukla <santosh.shukla@caviumnetworks.com> Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Diffstat (limited to 'examples/vm_power_manager')
-rw-r--r--examples/vm_power_manager/main.c220
1 files changed, 220 insertions, 0 deletions
diff --git a/examples/vm_power_manager/main.c b/examples/vm_power_manager/main.c
index c33fcc9..4ffefce 100644
--- a/examples/vm_power_manager/main.c
+++ b/examples/vm_power_manager/main.c
@@ -49,6 +49,9 @@
#include <rte_log.h>
#include <rte_per_lcore.h>
#include <rte_lcore.h>
+#include <rte_ethdev.h>
+#include <getopt.h>
+#include <rte_cycles.h>
#include <rte_debug.h>
#include "channel_manager.h"
@@ -56,6 +59,192 @@
#include "power_manager.h"
#include "vm_power_cli.h"
+#define RX_RING_SIZE 512
+#define TX_RING_SIZE 512
+
+#define NUM_MBUFS 8191
+#define MBUF_CACHE_SIZE 250
+#define BURST_SIZE 32
+
+static uint32_t enabled_port_mask;
+static volatile bool force_quit;
+
+/****************/
+static const struct rte_eth_conf port_conf_default = {
+ .rxmode = { .max_rx_pkt_len = ETHER_MAX_LEN }
+};
+
+static inline int
+port_init(uint16_t port, struct rte_mempool *mbuf_pool)
+{
+ struct rte_eth_conf port_conf = port_conf_default;
+ const uint16_t rx_rings = 1, tx_rings = 1;
+ int retval;
+ uint16_t q;
+
+ if (port >= rte_eth_dev_count())
+ return -1;
+
+ /* Configure the Ethernet device. */
+ retval = rte_eth_dev_configure(port, rx_rings, tx_rings, &port_conf);
+ if (retval != 0)
+ return retval;
+
+ /* Allocate and set up 1 RX queue per Ethernet port. */
+ for (q = 0; q < rx_rings; q++) {
+ retval = rte_eth_rx_queue_setup(port, q, RX_RING_SIZE,
+ rte_eth_dev_socket_id(port), NULL, mbuf_pool);
+ if (retval < 0)
+ return retval;
+ }
+
+ /* Allocate and set up 1 TX queue per Ethernet port. */
+ for (q = 0; q < tx_rings; q++) {
+ retval = rte_eth_tx_queue_setup(port, q, TX_RING_SIZE,
+ rte_eth_dev_socket_id(port), NULL);
+ if (retval < 0)
+ return retval;
+ }
+
+ /* Start the Ethernet port. */
+ retval = rte_eth_dev_start(port);
+ if (retval < 0)
+ return retval;
+
+ /* Display the port MAC address. */
+ struct ether_addr addr;
+ rte_eth_macaddr_get(port, &addr);
+ printf("Port %u MAC: %02" PRIx8 " %02" PRIx8 " %02" PRIx8
+ " %02" PRIx8 " %02" PRIx8 " %02" PRIx8 "\n",
+ (unsigned int)port,
+ addr.addr_bytes[0], addr.addr_bytes[1],
+ addr.addr_bytes[2], addr.addr_bytes[3],
+ addr.addr_bytes[4], addr.addr_bytes[5]);
+
+ /* Enable RX in promiscuous mode for the Ethernet device. */
+ rte_eth_promiscuous_enable(port);
+
+
+ return 0;
+}
+
+static int
+parse_portmask(const char *portmask)
+{
+ char *end = NULL;
+ unsigned long pm;
+
+ /* parse hexadecimal string */
+ pm = strtoul(portmask, &end, 16);
+ if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
+ return -1;
+
+ if (pm == 0)
+ return -1;
+
+ return pm;
+}
+/* Parse the argument given in the command line of the application */
+static int
+parse_args(int argc, char **argv)
+{
+ int opt, ret;
+ char **argvopt;
+ int option_index;
+ char *prgname = argv[0];
+ static struct option lgopts[] = {
+ { "mac-updating", no_argument, 0, 1},
+ { "no-mac-updating", no_argument, 0, 0},
+ {NULL, 0, 0, 0}
+ };
+ argvopt = argv;
+
+ while ((opt = getopt_long(argc, argvopt, "p:q:T:",
+ lgopts, &option_index)) != EOF) {
+
+ switch (opt) {
+ /* portmask */
+ case 'p':
+ enabled_port_mask = parse_portmask(optarg);
+ if (enabled_port_mask == 0) {
+ printf("invalid portmask\n");
+ return -1;
+ }
+ break;
+ /* long options */
+ case 0:
+ break;
+
+ default:
+ return -1;
+ }
+ }
+
+ if (optind >= 0)
+ argv[optind-1] = prgname;
+
+ ret = optind-1;
+ optind = 0; /* reset getopt lib */
+ return ret;
+}
+
+static void
+check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
+{
+#define CHECK_INTERVAL 100 /* 100ms */
+#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
+ uint16_t portid, count, all_ports_up, print_flag = 0;
+ struct rte_eth_link link;
+
+ printf("\nChecking link status");
+ fflush(stdout);
+ for (count = 0; count <= MAX_CHECK_TIME; count++) {
+ if (force_quit)
+ return;
+ all_ports_up = 1;
+ for (portid = 0; portid < port_num; portid++) {
+ if (force_quit)
+ return;
+ if ((port_mask & (1 << portid)) == 0)
+ continue;
+ memset(&link, 0, sizeof(link));
+ rte_eth_link_get_nowait(portid, &link);
+ /* print link status if flag set */
+ if (print_flag == 1) {
+ if (link.link_status)
+ printf("Port %d Link Up - speed %u "
+ "Mbps - %s\n", (uint16_t)portid,
+ (unsigned int)link.link_speed,
+ (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
+ ("full-duplex") : ("half-duplex\n"));
+ else
+ printf("Port %d Link Down\n",
+ (uint16_t)portid);
+ continue;
+ }
+ /* clear all_ports_up flag if any link down */
+ if (link.link_status == ETH_LINK_DOWN) {
+ all_ports_up = 0;
+ break;
+ }
+ }
+ /* after finally printing all link status, get out */
+ if (print_flag == 1)
+ break;
+
+ if (all_ports_up == 0) {
+ printf(".");
+ fflush(stdout);
+ rte_delay_ms(CHECK_INTERVAL);
+ }
+
+ /* set the print_flag if all ports up or timeout */
+ if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
+ print_flag = 1;
+ printf("done\n");
+ }
+ }
+}
static int
run_monitor(__attribute__((unused)) void *arg)
{
@@ -82,6 +271,10 @@ main(int argc, char **argv)
{
int ret;
unsigned lcore_id;
+ unsigned int nb_ports;
+ struct rte_mempool *mbuf_pool;
+ uint16_t portid;
+
ret = rte_eal_init(argc, argv);
if (ret < 0)
@@ -90,12 +283,39 @@ main(int argc, char **argv)
signal(SIGINT, sig_handler);
signal(SIGTERM, sig_handler);
+ argc -= ret;
+ argv += ret;
+
+ /* parse application arguments (after the EAL ones) */
+ ret = parse_args(argc, argv);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Invalid arguments\n");
+
+ nb_ports = rte_eth_dev_count();
+
+ mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", NUM_MBUFS * nb_ports,
+ MBUF_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
+
+ if (mbuf_pool == NULL)
+ rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
+
+ /* Initialize ports. */
+ for (portid = 0; portid < nb_ports; portid++) {
+ if ((enabled_port_mask & (1 << portid)) == 0)
+ continue;
+ if (port_init(portid, mbuf_pool) != 0)
+ rte_exit(EXIT_FAILURE, "Cannot init port %"PRIu8 "\n",
+ portid);
+ }
+
lcore_id = rte_get_next_lcore(-1, 1, 0);
if (lcore_id == RTE_MAX_LCORE) {
RTE_LOG(ERR, EAL, "A minimum of two cores are required to run "
"application\n");
return 0;
}
+
+ check_all_ports_link_status(nb_ports, enabled_port_mask);
rte_eal_remote_launch(run_monitor, NULL, lcore_id);
if (power_manager_init() < 0) {