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38 #include <rte_common.h>
39 #include <rte_lcore.h>
44 unsigned int portmask = 0;
48 usage(const char *prgname)
50 fprintf(stderr, "Usage: %s [EAL args] -- -p <portmask>\n"
51 "-p PORTMASK: hexadecimal bitmask of NIC ports to configure\n",
56 parse_portmask(const char *portmask_str)
58 return strtoul(portmask_str, NULL, 16);
62 check_core_count(void)
64 if (rte_lcore_count() < 3)
65 rte_exit(EXIT_FAILURE, "At least 3 cores need to be passed in the coremask\n");
69 check_portmask_value(unsigned int portmask)
71 unsigned int port_nb = 0;
73 port_nb = __builtin_popcount(portmask);
76 rte_exit(EXIT_FAILURE, "At least 2 ports need to be passed in the portmask\n");
79 rte_exit(EXIT_FAILURE, "An even number of ports is required in the portmask\n");
83 parse_qw_args(int argc, char **argv)
87 while ((opt = getopt(argc, argv, "h:p:")) != -1) {
93 portmask = parse_portmask(optarg);
101 check_portmask_value(portmask);