+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, cnt, i;
+ char **argvopt;
+ uint16_t *oob_enable;
+ int option_index;
+ char *prgname = argv[0];
+ struct core_info *ci;
+ float branch_ratio;
+ static struct option lgopts[] = {
+ { "mac-updating", no_argument, 0, 1},
+ { "no-mac-updating", no_argument, 0, 0},
+ { "core-list", optional_argument, 0, 'l'},
+ { "port-list", optional_argument, 0, 'p'},
+ { "branch-ratio", optional_argument, 0, 'b'},
+ {NULL, 0, 0, 0}
+ };
+ argvopt = argv;
+ ci = get_core_info();
+
+ while ((opt = getopt_long(argc, argvopt, "l:p:q:T:b:",
+ 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;
+ case 'l':
+ oob_enable = malloc(ci->core_count * sizeof(uint16_t));
+ if (oob_enable == NULL) {
+ printf("Error - Unable to allocate memory\n");
+ return -1;
+ }
+ cnt = parse_set(optarg, oob_enable, ci->core_count);
+ if (cnt < 0) {
+ printf("Invalid core-list - [%s]\n",
+ optarg);
+ break;
+ }
+ for (i = 0; i < ci->core_count; i++) {
+ if (oob_enable[i]) {
+ printf("***Using core %d\n", i);
+ ci->cd[i].oob_enabled = 1;
+ ci->cd[i].global_enabled_cpus = 1;
+ }
+ }
+ free(oob_enable);
+ break;
+ case 'b':
+ branch_ratio = 0.0;
+ if (strlen(optarg))
+ branch_ratio = atof(optarg);
+ if (branch_ratio <= 0.0) {
+ printf("invalid branch ratio specified\n");
+ return -1;
+ }
+ ci->branch_ratio_threshold = branch_ratio;
+ printf("***Setting branch ratio to %f\n",
+ branch_ratio);
+ 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(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;
+ RTE_ETH_FOREACH_DEV(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");
+ }
+ }
+}