85b69962f7c45e9e5009efeb1878838b418ca84a
[dpdk.git] / app / test-pipeline / config.c
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
5  *   All rights reserved.
6  *
7  *   Redistribution and use in source and binary forms, with or without
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
23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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_tailq.h>
52 #include <rte_eal.h>
53 #include <rte_per_lcore.h>
54 #include <rte_launch.h>
55 #include <rte_atomic.h>
56 #include <rte_cycles.h>
57 #include <rte_prefetch.h>
58 #include <rte_lcore.h>
59 #include <rte_per_lcore.h>
60 #include <rte_branch_prediction.h>
61 #include <rte_interrupts.h>
62 #include <rte_pci.h>
63 #include <rte_random.h>
64 #include <rte_debug.h>
65 #include <rte_ether.h>
66 #include <rte_ethdev.h>
67 #include <rte_ring.h>
68 #include <rte_mempool.h>
69 #include <rte_mbuf.h>
70 #include <rte_ip.h>
71 #include <rte_tcp.h>
72 #include <rte_lpm.h>
73 #include <rte_lpm6.h>
74 #include <rte_string_fns.h>
75
76 #include "main.h"
77
78 struct app_params app;
79
80 static const char usage[] = "\n";
81
82 void
83 app_print_usage(void)
84 {
85         printf(usage);
86 }
87
88 static int
89 app_parse_port_mask(const char *arg)
90 {
91         char *end = NULL;
92         uint64_t port_mask;
93         uint32_t i;
94
95         if (arg[0] == '\0')
96                 return -1;
97
98         port_mask = strtoul(arg, &end, 16);
99         if ((end == NULL) || (*end != '\0'))
100                 return -2;
101
102         if (port_mask == 0)
103                 return -3;
104
105         app.n_ports = 0;
106         for (i = 0; i < 64; i++) {
107                 if ((port_mask & (1LLU << i)) == 0)
108                         continue;
109
110                 if (app.n_ports >= APP_MAX_PORTS)
111                         return -4;
112
113                 app.ports[app.n_ports] = i;
114                 app.n_ports++;
115         }
116
117         if (!rte_is_power_of_2(app.n_ports))
118                 return -5;
119
120         return 0;
121 }
122
123 struct {
124         const char *name;
125         uint32_t value;
126 } app_args_table[] = {
127         {"none", e_APP_PIPELINE_NONE},
128         {"stub", e_APP_PIPELINE_STUB},
129         {"hash-8-ext", e_APP_PIPELINE_HASH_KEY8_EXT},
130         {"hash-8-lru", e_APP_PIPELINE_HASH_KEY8_LRU},
131         {"hash-16-ext", e_APP_PIPELINE_HASH_KEY16_EXT},
132         {"hash-16-lru", e_APP_PIPELINE_HASH_KEY16_LRU},
133         {"hash-32-ext", e_APP_PIPELINE_HASH_KEY32_EXT},
134         {"hash-32-lru", e_APP_PIPELINE_HASH_KEY32_LRU},
135         {"hash-spec-8-ext", e_APP_PIPELINE_HASH_SPEC_KEY8_EXT},
136         {"hash-spec-8-lru", e_APP_PIPELINE_HASH_SPEC_KEY8_LRU},
137         {"hash-spec-16-ext", e_APP_PIPELINE_HASH_SPEC_KEY16_EXT},
138         {"hash-spec-16-lru", e_APP_PIPELINE_HASH_SPEC_KEY16_LRU},
139         {"hash-spec-32-ext", e_APP_PIPELINE_HASH_SPEC_KEY32_EXT},
140         {"hash-spec-32-lru", e_APP_PIPELINE_HASH_SPEC_KEY32_LRU},
141         {"acl", e_APP_PIPELINE_ACL},
142         {"lpm", e_APP_PIPELINE_LPM},
143         {"lpm-ipv6", e_APP_PIPELINE_LPM_IPV6},
144 };
145
146 int
147 app_parse_args(int argc, char **argv)
148 {
149         int opt, ret;
150         char **argvopt;
151         int option_index;
152         char *prgname = argv[0];
153         static struct option lgopts[] = {
154                 {"none", 0, 0, 0},
155                 {"stub", 0, 0, 0},
156                 {"hash-8-ext", 0, 0, 0},
157                 {"hash-8-lru", 0, 0, 0},
158                 {"hash-16-ext", 0, 0, 0},
159                 {"hash-16-lru", 0, 0, 0},
160                 {"hash-32-ext", 0, 0, 0},
161                 {"hash-32-lru", 0, 0, 0},
162                 {"hash-spec-8-ext", 0, 0, 0},
163                 {"hash-spec-8-lru", 0, 0, 0},
164                 {"hash-spec-16-ext", 0, 0, 0},
165                 {"hash-spec-16-lru", 0, 0, 0},
166                 {"hash-spec-32-ext", 0, 0, 0},
167                 {"hash-spec-32-lru", 0, 0, 0},
168                 {"acl", 0, 0, 0},
169                 {"lpm", 0, 0, 0},
170                 {"lpm-ipv6", 0, 0, 0},
171                 {NULL, 0, 0, 0}
172         };
173         uint32_t lcores[3], n_lcores, lcore_id, pipeline_type_provided;
174
175         /* EAL args */
176         n_lcores = 0;
177         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
178                 if (rte_lcore_is_enabled(lcore_id) == 0)
179                         continue;
180
181                 if (n_lcores >= 3) {
182                         RTE_LOG(ERR, USER1, "Number of cores must be 3\n");
183                         app_print_usage();
184                         return -1;
185                 }
186
187                 lcores[n_lcores] = lcore_id;
188                 n_lcores++;
189         }
190
191         if (n_lcores != 3) {
192                 RTE_LOG(ERR, USER1, "Number of cores must be 3\n");
193                 app_print_usage();
194                 return -1;
195         }
196
197         app.core_rx = lcores[0];
198         app.core_worker = lcores[1];
199         app.core_tx = lcores[2];
200
201         /* Non-EAL args */
202         argvopt = argv;
203
204         app.pipeline_type = e_APP_PIPELINE_HASH_KEY16_LRU;
205         pipeline_type_provided = 0;
206
207         while ((opt = getopt_long(argc, argvopt, "p:",
208                         lgopts, &option_index)) != EOF) {
209                 switch (opt) {
210                 case 'p':
211                         if (app_parse_port_mask(optarg) < 0) {
212                                 app_print_usage();
213                                 return -1;
214                         }
215                         break;
216
217                 case 0: /* long options */
218                         if (!pipeline_type_provided) {
219                                 uint32_t i;
220
221                                 for (i = 0; i < e_APP_PIPELINES; i++) {
222                                         if (!strcmp(lgopts[option_index].name,
223                                                 app_args_table[i].name)) {
224                                                 app.pipeline_type =
225                                                         app_args_table[i].value;
226                                                 pipeline_type_provided = 1;
227                                                 break;
228                                         }
229                                 }
230
231                                 break;
232                         }
233
234                         app_print_usage();
235                         return -1;
236
237                 default:
238                         return -1;
239                 }
240         }
241
242         if (optind >= 0)
243                 argv[optind - 1] = prgname;
244
245         ret = optind - 1;
246         optind = 0; /* reset getopt lib */
247         return ret;
248 }