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41 #include <rte_memory.h>
42 #include <rte_string_fns.h>
48 /* 1M flows by default */
49 #define DEFAULT_NUM_FLOWS 0x100000
51 /* global var for number of nodes - extern in header */
53 /* global var for number of flows - extern in header */
54 uint32_t num_flows = DEFAULT_NUM_FLOWS;
56 static const char *progname;
59 * Prints out usage information to stdout
64 printf("%s [EAL options] -- -p PORTMASK -n NUM_NODES -f NUM_FLOWS\n"
65 " -p PORTMASK: hexadecimal bitmask of ports to use\n"
66 " -n NUM_NODES: number of node processes to use\n"
67 " -f NUM_FLOWS: number of flows to be added in the EFD table\n",
72 * The ports to be used by the application are passed in
73 * the form of a bitmask. This function parses the bitmask
74 * and places the port numbers to be used into the port[]
78 parse_portmask(uint8_t max_ports, const char *portmask)
84 if (portmask == NULL || *portmask == '\0')
87 /* convert parameter to a number and verify */
88 pm = strtoul(portmask, &end, 16);
89 if (end == NULL || *end != '\0' || pm == 0)
92 /* loop through bits of the mask and mark ports */
94 if (pm & 0x01) { /* bit is set in mask, use port */
95 if (count >= max_ports)
96 printf("WARNING: requested port %u not present"
97 " - ignoring\n", (unsigned int)count);
99 info->id[info->num_ports++] = count;
109 * Take the number of nodes parameter passed to the app
110 * and convert to a number to store in the num_nodes variable
113 parse_num_nodes(const char *nodes)
118 if (nodes == NULL || *nodes == '\0')
121 temp = strtoul(nodes, &end, 10);
122 if (end == NULL || *end != '\0' || temp == 0)
125 num_nodes = (uint8_t)temp;
130 parse_num_flows(const char *flows)
134 /* parse hexadecimal string */
135 num_flows = strtoul(flows, &end, 16);
136 if ((flows[0] == '\0') || (end == NULL) || (*end != '\0'))
146 * The application specific arguments follow the DPDK-specific
147 * arguments which are stripped by the DPDK init. This function
148 * processes these application arguments, printing usage info
152 parse_app_args(uint8_t max_ports, int argc, char *argv[])
154 int option_index, opt;
155 char **argvopt = argv;
156 static struct option lgopts[] = { /* no long options */
161 while ((opt = getopt_long(argc, argvopt, "n:f:p:", lgopts,
162 &option_index)) != EOF) {
165 if (parse_portmask(max_ports, optarg) != 0) {
171 if (parse_num_nodes(optarg) != 0) {
177 if (parse_num_flows(optarg) != 0) {
183 printf("ERROR: Unknown option '%c'\n", opt);
189 if (info->num_ports == 0 || num_nodes == 0) {
194 if (info->num_ports % 2 != 0) {
195 printf("ERROR: application requires an even "
196 "number of ports to use\n");