app/test-pipeline/config.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
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   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <stdint.h>
  37 #include <inttypes.h>
  38 #include <sys/types.h>
  39 #include <string.h>
  40 #include <sys/queue.h>
  41 #include <stdarg.h>
  42 #include <errno.h>
  43 #include <getopt.h>
  44
  45 #include <rte_common.h>
  46 #include <rte_byteorder.h>
  47 #include <rte_log.h>
  48 #include <rte_memory.h>
  49 #include <rte_memcpy.h>
  50 #include <rte_memzone.h>
  51 #include <rte_eal.h>
  52 #include <rte_per_lcore.h>
  53 #include <rte_launch.h>
  54 #include <rte_atomic.h>
  55 #include <rte_cycles.h>
  56 #include <rte_prefetch.h>
  57 #include <rte_lcore.h>
  58 #include <rte_per_lcore.h>
  59 #include <rte_branch_prediction.h>
  60 #include <rte_interrupts.h>
  61 #include <rte_pci.h>
  62 #include <rte_random.h>
  63 #include <rte_debug.h>
  64 #include <rte_ether.h>
  65 #include <rte_ethdev.h>
  66 #include <rte_mempool.h>
  67 #include <rte_mbuf.h>
  68 #include <rte_ip.h>
  69 #include <rte_tcp.h>
  70 #include <rte_lpm.h>
  71 #include <rte_lpm6.h>
  72 #include <rte_string_fns.h>
  73
  74 #include "main.h"
  75
  76 struct app_params app;
  77
  78 static const char usage[] = "\n";
  79
  80 void
  81 app_print_usage(void)
  82 {
  83         printf(usage);
  84 }
  85
  86 static int
  87 app_parse_port_mask(const char *arg)
  88 {
  89         char *end = NULL;
  90         uint64_t port_mask;
  91         uint32_t i;
  92
  93         if (arg[0] == '\0')
  94                 return -1;
  95
  96         port_mask = strtoul(arg, &end, 16);
  97         if ((end == NULL) || (*end != '\0'))
  98                 return -2;
  99
 100         if (port_mask == 0)
 101                 return -3;
 102
 103         app.n_ports = 0;
 104         for (i = 0; i < 64; i++) {
 105                 if ((port_mask & (1LLU << i)) == 0)
 106                         continue;
 107
 108                 if (app.n_ports >= APP_MAX_PORTS)
 109                         return -4;
 110
 111                 app.ports[app.n_ports] = i;
 112                 app.n_ports++;
 113         }
 114
 115         if (!rte_is_power_of_2(app.n_ports))
 116                 return -5;
 117
 118         return 0;
 119 }
 120
 121 struct {
 122         const char *name;
 123         uint32_t value;
 124 } app_args_table[] = {
 125         {"none", e_APP_PIPELINE_NONE},
 126         {"stub", e_APP_PIPELINE_STUB},
 127         {"hash-8-ext", e_APP_PIPELINE_HASH_KEY8_EXT},
 128         {"hash-8-lru", e_APP_PIPELINE_HASH_KEY8_LRU},
 129         {"hash-16-ext", e_APP_PIPELINE_HASH_KEY16_EXT},
 130         {"hash-16-lru", e_APP_PIPELINE_HASH_KEY16_LRU},
 131         {"hash-32-ext", e_APP_PIPELINE_HASH_KEY32_EXT},
 132         {"hash-32-lru", e_APP_PIPELINE_HASH_KEY32_LRU},
 133         {"hash-spec-8-ext", e_APP_PIPELINE_HASH_SPEC_KEY8_EXT},
 134         {"hash-spec-8-lru", e_APP_PIPELINE_HASH_SPEC_KEY8_LRU},
 135         {"hash-spec-16-ext", e_APP_PIPELINE_HASH_SPEC_KEY16_EXT},
 136         {"hash-spec-16-lru", e_APP_PIPELINE_HASH_SPEC_KEY16_LRU},
 137         {"hash-spec-32-ext", e_APP_PIPELINE_HASH_SPEC_KEY32_EXT},
 138         {"hash-spec-32-lru", e_APP_PIPELINE_HASH_SPEC_KEY32_LRU},
 139         {"acl", e_APP_PIPELINE_ACL},
 140         {"lpm", e_APP_PIPELINE_LPM},
 141         {"lpm-ipv6", e_APP_PIPELINE_LPM_IPV6},
 142 };
 143
 144 int
 145 app_parse_args(int argc, char **argv)
 146 {
 147         int opt, ret;
 148         char **argvopt;
 149         int option_index;
 150         char *prgname = argv[0];
 151         static struct option lgopts[] = {
 152                 {"none", 0, 0, 0},
 153                 {"stub", 0, 0, 0},
 154                 {"hash-8-ext", 0, 0, 0},
 155                 {"hash-8-lru", 0, 0, 0},
 156                 {"hash-16-ext", 0, 0, 0},
 157                 {"hash-16-lru", 0, 0, 0},
 158                 {"hash-32-ext", 0, 0, 0},
 159                 {"hash-32-lru", 0, 0, 0},
 160                 {"hash-spec-8-ext", 0, 0, 0},
 161                 {"hash-spec-8-lru", 0, 0, 0},
 162                 {"hash-spec-16-ext", 0, 0, 0},
 163                 {"hash-spec-16-lru", 0, 0, 0},
 164                 {"hash-spec-32-ext", 0, 0, 0},
 165                 {"hash-spec-32-lru", 0, 0, 0},
 166                 {"acl", 0, 0, 0},
 167                 {"lpm", 0, 0, 0},
 168                 {"lpm-ipv6", 0, 0, 0},
 169                 {NULL, 0, 0, 0}
 170         };
 171         uint32_t lcores[3], n_lcores, lcore_id, pipeline_type_provided;
 172
 173         /* EAL args */
 174         n_lcores = 0;
 175         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
 176                 if (rte_lcore_is_enabled(lcore_id) == 0)
 177                         continue;
 178
 179                 if (n_lcores >= 3) {
 180                         RTE_LOG(ERR, USER1, "Number of cores must be 3\n");
 181                         app_print_usage();
 182                         return -1;
 183                 }
 184
 185                 lcores[n_lcores] = lcore_id;
 186                 n_lcores++;
 187         }
 188
 189         if (n_lcores != 3) {
 190                 RTE_LOG(ERR, USER1, "Number of cores must be 3\n");
 191                 app_print_usage();
 192                 return -1;
 193         }
 194
 195         app.core_rx = lcores[0];
 196         app.core_worker = lcores[1];
 197         app.core_tx = lcores[2];
 198
 199         /* Non-EAL args */
 200         argvopt = argv;
 201
 202         app.pipeline_type = e_APP_PIPELINE_HASH_KEY16_LRU;
 203         pipeline_type_provided = 0;
 204
 205         while ((opt = getopt_long(argc, argvopt, "p:",
 206                         lgopts, &option_index)) != EOF) {
 207                 switch (opt) {
 208                 case 'p':
 209                         if (app_parse_port_mask(optarg) < 0) {
 210                                 app_print_usage();
 211                                 return -1;
 212                         }
 213                         break;
 214
 215                 case 0: /* long options */
 216                         if (!pipeline_type_provided) {
 217                                 uint32_t i;
 218
 219                                 for (i = 0; i < e_APP_PIPELINES; i++) {
 220                                         if (!strcmp(lgopts[option_index].name,
 221                                                 app_args_table[i].name)) {
 222                                                 app.pipeline_type =
 223                                                         app_args_table[i].value;
 224                                                 pipeline_type_provided = 1;
 225                                                 break;
 226                                         }
 227                                 }
 228
 229                                 break;
 230                         }
 231
 232                         app_print_usage();
 233                         return -1;
 234
 235                 default:
 236                         return -1;
 237                 }
 238         }
 239
 240         if (optind >= 0)
 241                 argv[optind - 1] = prgname;
 242
 243         ret = optind - 1;
 244         optind = 0; /* reset getopt lib */
 245         return ret;
 246 }