1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2016 Intel Corporation
3 */
4
5 #include <stdio.h>
6 #include <stdlib.h>
7 #include <stdint.h>
8 #include <inttypes.h>
9 #include <sys/types.h>
10 #include <string.h>
11 #include <sys/queue.h>
12 #include <stdarg.h>
13 #include <errno.h>
14 #include <getopt.h>
15
16 #include <rte_common.h>
17 #include <rte_byteorder.h>
18 #include <rte_log.h>
19 #include <rte_memory.h>
20 #include <rte_memcpy.h>
21 #include <rte_eal.h>
22 #include <rte_launch.h>
23 #include <rte_cycles.h>
24 #include <rte_prefetch.h>
25 #include <rte_lcore.h>
26 #include <rte_per_lcore.h>
27 #include <rte_branch_prediction.h>
28 #include <rte_interrupts.h>
29 #include <rte_random.h>
30 #include <rte_debug.h>
31 #include <rte_ether.h>
32 #include <rte_ethdev.h>
33 #include <rte_mempool.h>
34 #include <rte_mbuf.h>
35 #include <rte_ip.h>
36 #include <rte_tcp.h>
37 #include <rte_udp.h>
38 #include <rte_string_fns.h>
39 #include <rte_acl.h>
40
41 #include <cmdline_parse.h>
42 #include <cmdline_parse_etheraddr.h>
43
44 #if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
45 #define L3FWDACL_DEBUG
46 #endif
47 #define DO_RFC_1812_CHECKS
48
49 #define RTE_LOGTYPE_L3FWD RTE_LOGTYPE_USER1
50
51 #define MAX_JUMBO_PKT_LEN 9600
52
53 #define MEMPOOL_CACHE_SIZE 256
54
55 /*
56 * This expression is used to calculate the number of mbufs needed
57 * depending on user input, taking into account memory for rx and tx hardware
58 * rings, cache per lcore and mtable per port per lcore.
59 * RTE_MAX is used to ensure that NB_MBUF never goes below a
60 * minimum value of 8192
61 */
62
63 #define NB_MBUF RTE_MAX(\
64 (nb_ports * nb_rx_queue * nb_rxd + \
65 nb_ports * nb_lcores * MAX_PKT_BURST + \
66 nb_ports * n_tx_queue * nb_txd + \
67 nb_lcores * MEMPOOL_CACHE_SIZE), \
68 (unsigned)8192)
69
70 #define MAX_PKT_BURST 32
71 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
72
73 #define NB_SOCKETS 8
74
75 /* Configure how many packets ahead to prefetch, when reading packets */
76 #define PREFETCH_OFFSET 3
77
78 /*
79 * Configurable number of RX/TX ring descriptors
80 */
81 #define RTE_TEST_RX_DESC_DEFAULT 1024
82 #define RTE_TEST_TX_DESC_DEFAULT 1024
83 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
84 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
85
86 /* mask of enabled ports */
87 static uint32_t enabled_port_mask;
88 static int promiscuous_on; /**< Ports set in promiscuous mode off by default. */
89 static int numa_on = 1; /**< NUMA is enabled by default. */
90
91 struct lcore_rx_queue {
92 uint16_t port_id;
93 uint8_t queue_id;
94 } __rte_cache_aligned;
95
96 #define MAX_RX_QUEUE_PER_LCORE 16
97 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
98 #define MAX_RX_QUEUE_PER_PORT 128
99
100 #define MAX_LCORE_PARAMS 1024
101 struct lcore_params {
102 uint16_t port_id;
103 uint8_t queue_id;
104 uint8_t lcore_id;
105 } __rte_cache_aligned;
106
107 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
108 static struct lcore_params lcore_params_array_default[] = {
109 {0, 0, 2},
110 {0, 1, 2},
111 {0, 2, 2},
112 {1, 0, 2},
113 {1, 1, 2},
114 {1, 2, 2},
115 {2, 0, 2},
116 {3, 0, 3},
117 {3, 1, 3},
118 };
119
120 static struct lcore_params *lcore_params = lcore_params_array_default;
121 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
122 sizeof(lcore_params_array_default[0]);
123
124 static struct rte_eth_conf port_conf = {
125 .rxmode = {
126 .mq_mode = RTE_ETH_MQ_RX_RSS,
127 .split_hdr_size = 0,
128 .offloads = RTE_ETH_RX_OFFLOAD_CHECKSUM,
129 },
130 .rx_adv_conf = {
131 .rss_conf = {
132 .rss_key = NULL,
133 .rss_hf = RTE_ETH_RSS_IP | RTE_ETH_RSS_UDP |
134 RTE_ETH_RSS_TCP | RTE_ETH_RSS_SCTP,
135 },
136 },
137 .txmode = {
138 .mq_mode = RTE_ETH_MQ_TX_NONE,
139 },
140 };
141
142 static uint32_t max_pkt_len;
143
144 static struct rte_mempool *pktmbuf_pool[NB_SOCKETS];
145
146 /* ethernet addresses of ports */
147 static struct rte_ether_hdr port_l2hdr[RTE_MAX_ETHPORTS];
148
149 static const struct {
150 const char *name;
151 enum rte_acl_classify_alg alg;
152 } acl_alg[] = {
153 {
154 .name = "scalar",
155 .alg = RTE_ACL_CLASSIFY_SCALAR,
156 },
157 {
158 .name = "sse",
159 .alg = RTE_ACL_CLASSIFY_SSE,
160 },
161 {
162 .name = "avx2",
163 .alg = RTE_ACL_CLASSIFY_AVX2,
164 },
165 {
166 .name = "neon",
167 .alg = RTE_ACL_CLASSIFY_NEON,
168 },
169 {
170 .name = "altivec",
171 .alg = RTE_ACL_CLASSIFY_ALTIVEC,
172 },
173 {
174 .name = "avx512x16",
175 .alg = RTE_ACL_CLASSIFY_AVX512X16,
176 },
177 {
178 .name = "avx512x32",
179 .alg = RTE_ACL_CLASSIFY_AVX512X32,
180 },
181 };
182
183 /***********************start of ACL part******************************/
184 #ifdef DO_RFC_1812_CHECKS
185 static inline int
186 is_valid_ipv4_pkt(struct rte_ipv4_hdr *pkt, uint32_t link_len);
187 #endif
188 static inline void
189 send_single_packet(struct rte_mbuf *m, uint16_t port);
190
191 #define MAX_ACL_RULE_NUM 100000
192 #define DEFAULT_MAX_CATEGORIES 1
193 #define L3FWD_ACL_IPV4_NAME "l3fwd-acl-ipv4"
194 #define L3FWD_ACL_IPV6_NAME "l3fwd-acl-ipv6"
195 #define ACL_LEAD_CHAR ('@')
196 #define ROUTE_LEAD_CHAR ('R')
197 #define COMMENT_LEAD_CHAR ('#')
198
199 enum {
200 #define OPT_CONFIG "config"
201 OPT_CONFIG_NUM = 256,
202 #define OPT_NONUMA "no-numa"
203 OPT_NONUMA_NUM,
204 #define OPT_MAX_PKT_LEN "max-pkt-len"
205 OPT_MAX_PKT_LEN_NUM,
206 #define OPT_RULE_IPV4 "rule_ipv4"
207 OPT_RULE_IPV4_NUM,
208 #define OPT_RULE_IPV6 "rule_ipv6"
209 OPT_RULE_IPV6_NUM,
210 #define OPT_ALG "alg"
211 OPT_ALG_NUM,
212 #define OPT_ETH_DEST "eth-dest"
213 OPT_ETH_DEST_NUM,
214 };
215
216 #define ACL_DENY_SIGNATURE 0xf0000000
217 #define RTE_LOGTYPE_L3FWDACL RTE_LOGTYPE_USER3
218 #define acl_log(format, ...) RTE_LOG(ERR, L3FWDACL, format, ##__VA_ARGS__)
219 #define uint32_t_to_char(ip, a, b, c, d) do {\
220 *a = (unsigned char)(ip >> 24 & 0xff);\
221 *b = (unsigned char)(ip >> 16 & 0xff);\
222 *c = (unsigned char)(ip >> 8 & 0xff);\
223 *d = (unsigned char)(ip & 0xff);\
224 } while (0)
225 #define OFF_ETHHEAD (sizeof(struct rte_ether_hdr))
226 #define OFF_IPV42PROTO (offsetof(struct rte_ipv4_hdr, next_proto_id))
227 #define OFF_IPV62PROTO (offsetof(struct rte_ipv6_hdr, proto))
228 #define MBUF_IPV4_2PROTO(m) \
229 rte_pktmbuf_mtod_offset((m), uint8_t *, OFF_ETHHEAD + OFF_IPV42PROTO)
230 #define MBUF_IPV6_2PROTO(m) \
231 rte_pktmbuf_mtod_offset((m), uint8_t *, OFF_ETHHEAD + OFF_IPV62PROTO)
232
233 #define GET_CB_FIELD(in, fd, base, lim, dlm) do { \
234 unsigned long val; \
235 char *end; \
236 errno = 0; \
237 val = strtoul((in), &end, (base)); \
238 if (errno != 0 || end[0] != (dlm) || val > (lim)) \
239 return -EINVAL; \
240 (fd) = (typeof(fd))val; \
241 (in) = end + 1; \
242 } while (0)
243
244 /*
245 * ACL rules should have higher priorities than route ones to ensure ACL rule
246 * always be found when input packets have multi-matches in the database.
247 * A exception case is performance measure, which can define route rules with
248 * higher priority and route rules will always be returned in each lookup.
249 * Reserve range from ACL_RULE_PRIORITY_MAX + 1 to
250 * RTE_ACL_MAX_PRIORITY for route entries in performance measure
251 */
252 #define ACL_RULE_PRIORITY_MAX 0x10000000
253
254 /*
255 * Forward port info save in ACL lib starts from 1
256 * since ACL assume 0 is invalid.
257 * So, need add 1 when saving and minus 1 when forwarding packets.
258 */
259 #define FWD_PORT_SHIFT 1
260
261 /*
262 * Rule and trace formats definitions.
263 */
264
265 enum {
266 PROTO_FIELD_IPV4,
267 SRC_FIELD_IPV4,
268 DST_FIELD_IPV4,
269 SRCP_FIELD_IPV4,
270 DSTP_FIELD_IPV4,
271 NUM_FIELDS_IPV4
272 };
273
274 /*
275 * That effectively defines order of IPV4VLAN classifications:
276 * - PROTO
277 * - VLAN (TAG and DOMAIN)
278 * - SRC IP ADDRESS
279 * - DST IP ADDRESS
280 * - PORTS (SRC and DST)
281 */
282 enum {
283 RTE_ACL_IPV4VLAN_PROTO,
284 RTE_ACL_IPV4VLAN_VLAN,
285 RTE_ACL_IPV4VLAN_SRC,
286 RTE_ACL_IPV4VLAN_DST,
287 RTE_ACL_IPV4VLAN_PORTS,
288 RTE_ACL_IPV4VLAN_NUM
289 };
290
291 struct rte_acl_field_def ipv4_defs[NUM_FIELDS_IPV4] = {
292 {
293 .type = RTE_ACL_FIELD_TYPE_BITMASK,
294 .size = sizeof(uint8_t),
295 .field_index = PROTO_FIELD_IPV4,
296 .input_index = RTE_ACL_IPV4VLAN_PROTO,
297 .offset = 0,
298 },
299 {
300 .type = RTE_ACL_FIELD_TYPE_MASK,
301 .size = sizeof(uint32_t),
302 .field_index = SRC_FIELD_IPV4,
303 .input_index = RTE_ACL_IPV4VLAN_SRC,
304 .offset = offsetof(struct rte_ipv4_hdr, src_addr) -
305 offsetof(struct rte_ipv4_hdr, next_proto_id),
306 },
307 {
308 .type = RTE_ACL_FIELD_TYPE_MASK,
309 .size = sizeof(uint32_t),
310 .field_index = DST_FIELD_IPV4,
311 .input_index = RTE_ACL_IPV4VLAN_DST,
312 .offset = offsetof(struct rte_ipv4_hdr, dst_addr) -
313 offsetof(struct rte_ipv4_hdr, next_proto_id),
314 },
315 {
316 .type = RTE_ACL_FIELD_TYPE_RANGE,
317 .size = sizeof(uint16_t),
318 .field_index = SRCP_FIELD_IPV4,
319 .input_index = RTE_ACL_IPV4VLAN_PORTS,
320 .offset = sizeof(struct rte_ipv4_hdr) -
321 offsetof(struct rte_ipv4_hdr, next_proto_id),
322 },
323 {
324 .type = RTE_ACL_FIELD_TYPE_RANGE,
325 .size = sizeof(uint16_t),
326 .field_index = DSTP_FIELD_IPV4,
327 .input_index = RTE_ACL_IPV4VLAN_PORTS,
328 .offset = sizeof(struct rte_ipv4_hdr) -
329 offsetof(struct rte_ipv4_hdr, next_proto_id) +
330 sizeof(uint16_t),
331 },
332 };
333
334 #define IPV6_ADDR_LEN 16
335 #define IPV6_ADDR_U16 (IPV6_ADDR_LEN / sizeof(uint16_t))
336 #define IPV6_ADDR_U32 (IPV6_ADDR_LEN / sizeof(uint32_t))
337
338 enum {
339 PROTO_FIELD_IPV6,
340 SRC1_FIELD_IPV6,
341 SRC2_FIELD_IPV6,
342 SRC3_FIELD_IPV6,
343 SRC4_FIELD_IPV6,
344 DST1_FIELD_IPV6,
345 DST2_FIELD_IPV6,
346 DST3_FIELD_IPV6,
347 DST4_FIELD_IPV6,
348 SRCP_FIELD_IPV6,
349 DSTP_FIELD_IPV6,
350 NUM_FIELDS_IPV6
351 };
352
353 struct rte_acl_field_def ipv6_defs[NUM_FIELDS_IPV6] = {
354 {
355 .type = RTE_ACL_FIELD_TYPE_BITMASK,
356 .size = sizeof(uint8_t),
357 .field_index = PROTO_FIELD_IPV6,
358 .input_index = PROTO_FIELD_IPV6,
359 .offset = 0,
360 },
361 {
362 .type = RTE_ACL_FIELD_TYPE_MASK,
363 .size = sizeof(uint32_t),
364 .field_index = SRC1_FIELD_IPV6,
365 .input_index = SRC1_FIELD_IPV6,
366 .offset = offsetof(struct rte_ipv6_hdr, src_addr) -
367 offsetof(struct rte_ipv6_hdr, proto),
368 },
369 {
370 .type = RTE_ACL_FIELD_TYPE_MASK,
371 .size = sizeof(uint32_t),
372 .field_index = SRC2_FIELD_IPV6,
373 .input_index = SRC2_FIELD_IPV6,
374 .offset = offsetof(struct rte_ipv6_hdr, src_addr) -
375 offsetof(struct rte_ipv6_hdr, proto) + sizeof(uint32_t),
376 },
377 {
378 .type = RTE_ACL_FIELD_TYPE_MASK,
379 .size = sizeof(uint32_t),
380 .field_index = SRC3_FIELD_IPV6,
381 .input_index = SRC3_FIELD_IPV6,
382 .offset = offsetof(struct rte_ipv6_hdr, src_addr) -
383 offsetof(struct rte_ipv6_hdr, proto) +
384 2 * sizeof(uint32_t),
385 },
386 {
387 .type = RTE_ACL_FIELD_TYPE_MASK,
388 .size = sizeof(uint32_t),
389 .field_index = SRC4_FIELD_IPV6,
390 .input_index = SRC4_FIELD_IPV6,
391 .offset = offsetof(struct rte_ipv6_hdr, src_addr) -
392 offsetof(struct rte_ipv6_hdr, proto) +
393 3 * sizeof(uint32_t),
394 },
395 {
396 .type = RTE_ACL_FIELD_TYPE_MASK,
397 .size = sizeof(uint32_t),
398 .field_index = DST1_FIELD_IPV6,
399 .input_index = DST1_FIELD_IPV6,
400 .offset = offsetof(struct rte_ipv6_hdr, dst_addr)
401 - offsetof(struct rte_ipv6_hdr, proto),
402 },
403 {
404 .type = RTE_ACL_FIELD_TYPE_MASK,
405 .size = sizeof(uint32_t),
406 .field_index = DST2_FIELD_IPV6,
407 .input_index = DST2_FIELD_IPV6,
408 .offset = offsetof(struct rte_ipv6_hdr, dst_addr) -
409 offsetof(struct rte_ipv6_hdr, proto) + sizeof(uint32_t),
410 },
411 {
412 .type = RTE_ACL_FIELD_TYPE_MASK,
413 .size = sizeof(uint32_t),
414 .field_index = DST3_FIELD_IPV6,
415 .input_index = DST3_FIELD_IPV6,
416 .offset = offsetof(struct rte_ipv6_hdr, dst_addr) -
417 offsetof(struct rte_ipv6_hdr, proto) +
418 2 * sizeof(uint32_t),
419 },
420 {
421 .type = RTE_ACL_FIELD_TYPE_MASK,
422 .size = sizeof(uint32_t),
423 .field_index = DST4_FIELD_IPV6,
424 .input_index = DST4_FIELD_IPV6,
425 .offset = offsetof(struct rte_ipv6_hdr, dst_addr) -
426 offsetof(struct rte_ipv6_hdr, proto) +
427 3 * sizeof(uint32_t),
428 },
429 {
430 .type = RTE_ACL_FIELD_TYPE_RANGE,
431 .size = sizeof(uint16_t),
432 .field_index = SRCP_FIELD_IPV6,
433 .input_index = SRCP_FIELD_IPV6,
434 .offset = sizeof(struct rte_ipv6_hdr) -
435 offsetof(struct rte_ipv6_hdr, proto),
436 },
437 {
438 .type = RTE_ACL_FIELD_TYPE_RANGE,
439 .size = sizeof(uint16_t),
440 .field_index = DSTP_FIELD_IPV6,
441 .input_index = SRCP_FIELD_IPV6,
442 .offset = sizeof(struct rte_ipv6_hdr) -
443 offsetof(struct rte_ipv6_hdr, proto) + sizeof(uint16_t),
444 },
445 };
446
447 enum {
448 CB_FLD_SRC_ADDR,
449 CB_FLD_DST_ADDR,
450 CB_FLD_SRC_PORT_LOW,
451 CB_FLD_SRC_PORT_DLM,
452 CB_FLD_SRC_PORT_HIGH,
453 CB_FLD_DST_PORT_LOW,
454 CB_FLD_DST_PORT_DLM,
455 CB_FLD_DST_PORT_HIGH,
456 CB_FLD_PROTO,
457 CB_FLD_USERDATA,
458 CB_FLD_NUM,
459 };
460
461 RTE_ACL_RULE_DEF(acl4_rule, RTE_DIM(ipv4_defs));
462 RTE_ACL_RULE_DEF(acl6_rule, RTE_DIM(ipv6_defs));
463
464 struct acl_search_t {
465 const uint8_t *data_ipv4[MAX_PKT_BURST];
466 struct rte_mbuf *m_ipv4[MAX_PKT_BURST];
467 uint32_t res_ipv4[MAX_PKT_BURST];
468 int num_ipv4;
469
470 const uint8_t *data_ipv6[MAX_PKT_BURST];
471 struct rte_mbuf *m_ipv6[MAX_PKT_BURST];
472 uint32_t res_ipv6[MAX_PKT_BURST];
473 int num_ipv6;
474 };
475
476 static struct {
477 char mapped[NB_SOCKETS];
478 struct rte_acl_ctx *acx_ipv4[NB_SOCKETS];
479 struct rte_acl_ctx *acx_ipv6[NB_SOCKETS];
480 #ifdef L3FWDACL_DEBUG
481 struct acl4_rule *rule_ipv4;
482 struct acl6_rule *rule_ipv6;
483 #endif
484 } acl_config;
485
486 static struct{
487 const char *rule_ipv4_name;
488 const char *rule_ipv6_name;
489 enum rte_acl_classify_alg alg;
490 } parm_config;
491
492 const char cb_port_delim[] = ":";
493
494 static inline void
print_one_ipv4_rule(struct acl4_rule * rule,int extra)495 print_one_ipv4_rule(struct acl4_rule *rule, int extra)
496 {
497 unsigned char a, b, c, d;
498
499 uint32_t_to_char(rule->field[SRC_FIELD_IPV4].value.u32,
500 &a, &b, &c, &d);
501 printf("%hhu.%hhu.%hhu.%hhu/%u ", a, b, c, d,
502 rule->field[SRC_FIELD_IPV4].mask_range.u32);
503 uint32_t_to_char(rule->field[DST_FIELD_IPV4].value.u32,
504 &a, &b, &c, &d);
505 printf("%hhu.%hhu.%hhu.%hhu/%u ", a, b, c, d,
506 rule->field[DST_FIELD_IPV4].mask_range.u32);
507 printf("%hu : %hu %hu : %hu 0x%hhx/0x%hhx ",
508 rule->field[SRCP_FIELD_IPV4].value.u16,
509 rule->field[SRCP_FIELD_IPV4].mask_range.u16,
510 rule->field[DSTP_FIELD_IPV4].value.u16,
511 rule->field[DSTP_FIELD_IPV4].mask_range.u16,
512 rule->field[PROTO_FIELD_IPV4].value.u8,
513 rule->field[PROTO_FIELD_IPV4].mask_range.u8);
514 if (extra)
515 printf("0x%x-0x%x-0x%x ",
516 rule->data.category_mask,
517 rule->data.priority,
518 rule->data.userdata);
519 }
520
521 static inline void
print_one_ipv6_rule(struct acl6_rule * rule,int extra)522 print_one_ipv6_rule(struct acl6_rule *rule, int extra)
523 {
524 unsigned char a, b, c, d;
525
526 uint32_t_to_char(rule->field[SRC1_FIELD_IPV6].value.u32,
527 &a, &b, &c, &d);
528 printf("%.2x%.2x:%.2x%.2x", a, b, c, d);
529 uint32_t_to_char(rule->field[SRC2_FIELD_IPV6].value.u32,
530 &a, &b, &c, &d);
531 printf(":%.2x%.2x:%.2x%.2x", a, b, c, d);
532 uint32_t_to_char(rule->field[SRC3_FIELD_IPV6].value.u32,
533 &a, &b, &c, &d);
534 printf(":%.2x%.2x:%.2x%.2x", a, b, c, d);
535 uint32_t_to_char(rule->field[SRC4_FIELD_IPV6].value.u32,
536 &a, &b, &c, &d);
537 printf(":%.2x%.2x:%.2x%.2x/%u ", a, b, c, d,
538 rule->field[SRC1_FIELD_IPV6].mask_range.u32
539 + rule->field[SRC2_FIELD_IPV6].mask_range.u32
540 + rule->field[SRC3_FIELD_IPV6].mask_range.u32
541 + rule->field[SRC4_FIELD_IPV6].mask_range.u32);
542
543 uint32_t_to_char(rule->field[DST1_FIELD_IPV6].value.u32,
544 &a, &b, &c, &d);
545 printf("%.2x%.2x:%.2x%.2x", a, b, c, d);
546 uint32_t_to_char(rule->field[DST2_FIELD_IPV6].value.u32,
547 &a, &b, &c, &d);
548 printf(":%.2x%.2x:%.2x%.2x", a, b, c, d);
549 uint32_t_to_char(rule->field[DST3_FIELD_IPV6].value.u32,
550 &a, &b, &c, &d);
551 printf(":%.2x%.2x:%.2x%.2x", a, b, c, d);
552 uint32_t_to_char(rule->field[DST4_FIELD_IPV6].value.u32,
553 &a, &b, &c, &d);
554 printf(":%.2x%.2x:%.2x%.2x/%u ", a, b, c, d,
555 rule->field[DST1_FIELD_IPV6].mask_range.u32
556 + rule->field[DST2_FIELD_IPV6].mask_range.u32
557 + rule->field[DST3_FIELD_IPV6].mask_range.u32
558 + rule->field[DST4_FIELD_IPV6].mask_range.u32);
559
560 printf("%hu : %hu %hu : %hu 0x%hhx/0x%hhx ",
561 rule->field[SRCP_FIELD_IPV6].value.u16,
562 rule->field[SRCP_FIELD_IPV6].mask_range.u16,
563 rule->field[DSTP_FIELD_IPV6].value.u16,
564 rule->field[DSTP_FIELD_IPV6].mask_range.u16,
565 rule->field[PROTO_FIELD_IPV6].value.u8,
566 rule->field[PROTO_FIELD_IPV6].mask_range.u8);
567 if (extra)
568 printf("0x%x-0x%x-0x%x ",
569 rule->data.category_mask,
570 rule->data.priority,
571 rule->data.userdata);
572 }
573
574 /* Bypass comment and empty lines */
575 static inline int
is_bypass_line(char * buff)576 is_bypass_line(char *buff)
577 {
578 int i = 0;
579
580 /* comment line */
581 if (buff[0] == COMMENT_LEAD_CHAR)
582 return 1;
583 /* empty line */
584 while (buff[i] != '\0') {
585 if (!isspace(buff[i]))
586 return 0;
587 i++;
588 }
589 return 1;
590 }
591
592 #ifdef L3FWDACL_DEBUG
593 static inline void
dump_acl4_rule(struct rte_mbuf * m,uint32_t sig)594 dump_acl4_rule(struct rte_mbuf *m, uint32_t sig)
595 {
596 uint32_t offset = sig & ~ACL_DENY_SIGNATURE;
597 unsigned char a, b, c, d;
598 struct rte_ipv4_hdr *ipv4_hdr =
599 rte_pktmbuf_mtod_offset(m, struct rte_ipv4_hdr *,
600 sizeof(struct rte_ether_hdr));
601
602 uint32_t_to_char(rte_bswap32(ipv4_hdr->src_addr), &a, &b, &c, &d);
603 printf("Packet Src:%hhu.%hhu.%hhu.%hhu ", a, b, c, d);
604 uint32_t_to_char(rte_bswap32(ipv4_hdr->dst_addr), &a, &b, &c, &d);
605 printf("Dst:%hhu.%hhu.%hhu.%hhu ", a, b, c, d);
606
607 printf("Src port:%hu,Dst port:%hu ",
608 rte_bswap16(*(uint16_t *)(ipv4_hdr + 1)),
609 rte_bswap16(*((uint16_t *)(ipv4_hdr + 1) + 1)));
610 printf("hit ACL %d - ", offset);
611
612 print_one_ipv4_rule(acl_config.rule_ipv4 + offset, 1);
613
614 printf("\n\n");
615 }
616
617 static inline void
dump_acl6_rule(struct rte_mbuf * m,uint32_t sig)618 dump_acl6_rule(struct rte_mbuf *m, uint32_t sig)
619 {
620 unsigned i;
621 uint32_t offset = sig & ~ACL_DENY_SIGNATURE;
622 struct rte_ipv6_hdr *ipv6_hdr =
623 rte_pktmbuf_mtod_offset(m, struct rte_ipv6_hdr *,
624 sizeof(struct rte_ether_hdr));
625
626 printf("Packet Src");
627 for (i = 0; i < RTE_DIM(ipv6_hdr->src_addr); i += sizeof(uint16_t))
628 printf(":%.2x%.2x",
629 ipv6_hdr->src_addr[i], ipv6_hdr->src_addr[i + 1]);
630
631 printf("\nDst");
632 for (i = 0; i < RTE_DIM(ipv6_hdr->dst_addr); i += sizeof(uint16_t))
633 printf(":%.2x%.2x",
634 ipv6_hdr->dst_addr[i], ipv6_hdr->dst_addr[i + 1]);
635
636 printf("\nSrc port:%hu,Dst port:%hu ",
637 rte_bswap16(*(uint16_t *)(ipv6_hdr + 1)),
638 rte_bswap16(*((uint16_t *)(ipv6_hdr + 1) + 1)));
639 printf("hit ACL %d - ", offset);
640
641 print_one_ipv6_rule(acl_config.rule_ipv6 + offset, 1);
642
643 printf("\n\n");
644 }
645 #endif /* L3FWDACL_DEBUG */
646
647 static inline void
dump_ipv4_rules(struct acl4_rule * rule,int num,int extra)648 dump_ipv4_rules(struct acl4_rule *rule, int num, int extra)
649 {
650 int i;
651
652 for (i = 0; i < num; i++, rule++) {
653 printf("\t%d:", i + 1);
654 print_one_ipv4_rule(rule, extra);
655 printf("\n");
656 }
657 }
658
659 static inline void
dump_ipv6_rules(struct acl6_rule * rule,int num,int extra)660 dump_ipv6_rules(struct acl6_rule *rule, int num, int extra)
661 {
662 int i;
663
664 for (i = 0; i < num; i++, rule++) {
665 printf("\t%d:", i + 1);
666 print_one_ipv6_rule(rule, extra);
667 printf("\n");
668 }
669 }
670
671 #ifdef DO_RFC_1812_CHECKS
672 static inline void
prepare_one_packet(struct rte_mbuf ** pkts_in,struct acl_search_t * acl,int index)673 prepare_one_packet(struct rte_mbuf **pkts_in, struct acl_search_t *acl,
674 int index)
675 {
676 struct rte_ipv4_hdr *ipv4_hdr;
677 struct rte_mbuf *pkt = pkts_in[index];
678
679 if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) {
680 ipv4_hdr = rte_pktmbuf_mtod_offset(pkt, struct rte_ipv4_hdr *,
681 sizeof(struct rte_ether_hdr));
682
683 /* Check to make sure the packet is valid (RFC1812) */
684 if (is_valid_ipv4_pkt(ipv4_hdr, pkt->pkt_len) >= 0) {
685
686 /* Update time to live and header checksum */
687 --(ipv4_hdr->time_to_live);
688 ++(ipv4_hdr->hdr_checksum);
689
690 /* Fill acl structure */
691 acl->data_ipv4[acl->num_ipv4] = MBUF_IPV4_2PROTO(pkt);
692 acl->m_ipv4[(acl->num_ipv4)++] = pkt;
693
694 } else {
695 /* Not a valid IPv4 packet */
696 rte_pktmbuf_free(pkt);
697 }
698 } else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) {
699 /* Fill acl structure */
700 acl->data_ipv6[acl->num_ipv6] = MBUF_IPV6_2PROTO(pkt);
701 acl->m_ipv6[(acl->num_ipv6)++] = pkt;
702
703 } else {
704 /* Unknown type, drop the packet */
705 rte_pktmbuf_free(pkt);
706 }
707 }
708
709 #else
710 static inline void
prepare_one_packet(struct rte_mbuf ** pkts_in,struct acl_search_t * acl,int index)711 prepare_one_packet(struct rte_mbuf **pkts_in, struct acl_search_t *acl,
712 int index)
713 {
714 struct rte_mbuf *pkt = pkts_in[index];
715
716 if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) {
717 /* Fill acl structure */
718 acl->data_ipv4[acl->num_ipv4] = MBUF_IPV4_2PROTO(pkt);
719 acl->m_ipv4[(acl->num_ipv4)++] = pkt;
720
721 } else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) {
722 /* Fill acl structure */
723 acl->data_ipv6[acl->num_ipv6] = MBUF_IPV6_2PROTO(pkt);
724 acl->m_ipv6[(acl->num_ipv6)++] = pkt;
725 } else {
726 /* Unknown type, drop the packet */
727 rte_pktmbuf_free(pkt);
728 }
729 }
730 #endif /* DO_RFC_1812_CHECKS */
731
732 static inline void
prepare_acl_parameter(struct rte_mbuf ** pkts_in,struct acl_search_t * acl,int nb_rx)733 prepare_acl_parameter(struct rte_mbuf **pkts_in, struct acl_search_t *acl,
734 int nb_rx)
735 {
736 int i;
737
738 acl->num_ipv4 = 0;
739 acl->num_ipv6 = 0;
740
741 /* Prefetch first packets */
742 for (i = 0; i < PREFETCH_OFFSET && i < nb_rx; i++) {
743 rte_prefetch0(rte_pktmbuf_mtod(
744 pkts_in[i], void *));
745 }
746
747 for (i = 0; i < (nb_rx - PREFETCH_OFFSET); i++) {
748 rte_prefetch0(rte_pktmbuf_mtod(pkts_in[
749 i + PREFETCH_OFFSET], void *));
750 prepare_one_packet(pkts_in, acl, i);
751 }
752
753 /* Process left packets */
754 for (; i < nb_rx; i++)
755 prepare_one_packet(pkts_in, acl, i);
756 }
757
758 static inline void
send_one_packet(struct rte_mbuf * m,uint32_t res)759 send_one_packet(struct rte_mbuf *m, uint32_t res)
760 {
761 if (likely((res & ACL_DENY_SIGNATURE) == 0 && res != 0)) {
762 /* forward packets */
763 send_single_packet(m,
764 (uint8_t)(res - FWD_PORT_SHIFT));
765 } else{
766 /* in the ACL list, drop it */
767 #ifdef L3FWDACL_DEBUG
768 if ((res & ACL_DENY_SIGNATURE) != 0) {
769 if (RTE_ETH_IS_IPV4_HDR(m->packet_type))
770 dump_acl4_rule(m, res);
771 else if (RTE_ETH_IS_IPV6_HDR(m->packet_type))
772 dump_acl6_rule(m, res);
773 }
774 #endif
775 rte_pktmbuf_free(m);
776 }
777 }
778
779
780
781 static inline void
send_packets(struct rte_mbuf ** m,uint32_t * res,int num)782 send_packets(struct rte_mbuf **m, uint32_t *res, int num)
783 {
784 int i;
785
786 /* Prefetch first packets */
787 for (i = 0; i < PREFETCH_OFFSET && i < num; i++) {
788 rte_prefetch0(rte_pktmbuf_mtod(
789 m[i], void *));
790 }
791
792 for (i = 0; i < (num - PREFETCH_OFFSET); i++) {
793 rte_prefetch0(rte_pktmbuf_mtod(m[
794 i + PREFETCH_OFFSET], void *));
795 send_one_packet(m[i], res[i]);
796 }
797
798 /* Process left packets */
799 for (; i < num; i++)
800 send_one_packet(m[i], res[i]);
801 }
802
803 /*
804 * Parse IPv6 address, expects the following format:
805 * XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX (where X is a hexadecimal digit).
806 */
807 static int
parse_ipv6_addr(const char * in,const char ** end,uint32_t v[IPV6_ADDR_U32],char dlm)808 parse_ipv6_addr(const char *in, const char **end, uint32_t v[IPV6_ADDR_U32],
809 char dlm)
810 {
811 uint32_t addr[IPV6_ADDR_U16];
812
813 GET_CB_FIELD(in, addr[0], 16, UINT16_MAX, ':');
814 GET_CB_FIELD(in, addr[1], 16, UINT16_MAX, ':');
815 GET_CB_FIELD(in, addr[2], 16, UINT16_MAX, ':');
816 GET_CB_FIELD(in, addr[3], 16, UINT16_MAX, ':');
817 GET_CB_FIELD(in, addr[4], 16, UINT16_MAX, ':');
818 GET_CB_FIELD(in, addr[5], 16, UINT16_MAX, ':');
819 GET_CB_FIELD(in, addr[6], 16, UINT16_MAX, ':');
820 GET_CB_FIELD(in, addr[7], 16, UINT16_MAX, dlm);
821
822 *end = in;
823
824 v[0] = (addr[0] << 16) + addr[1];
825 v[1] = (addr[2] << 16) + addr[3];
826 v[2] = (addr[4] << 16) + addr[5];
827 v[3] = (addr[6] << 16) + addr[7];
828
829 return 0;
830 }
831
832 static int
parse_ipv6_net(const char * in,struct rte_acl_field field[4])833 parse_ipv6_net(const char *in, struct rte_acl_field field[4])
834 {
835 int32_t rc;
836 const char *mp;
837 uint32_t i, m, v[4];
838 const uint32_t nbu32 = sizeof(uint32_t) * CHAR_BIT;
839
840 /* get address. */
841 rc = parse_ipv6_addr(in, &mp, v, '/');
842 if (rc != 0)
843 return rc;
844
845 /* get mask. */
846 GET_CB_FIELD(mp, m, 0, CHAR_BIT * sizeof(v), 0);
847
848 /* put all together. */
849 for (i = 0; i != RTE_DIM(v); i++) {
850 if (m >= (i + 1) * nbu32)
851 field[i].mask_range.u32 = nbu32;
852 else
853 field[i].mask_range.u32 = m > (i * nbu32) ?
854 m - (i * 32) : 0;
855
856 field[i].value.u32 = v[i];
857 }
858
859 return 0;
860 }
861
862 static int
parse_cb_ipv6_rule(char * str,struct rte_acl_rule * v,int has_userdata)863 parse_cb_ipv6_rule(char *str, struct rte_acl_rule *v, int has_userdata)
864 {
865 int i, rc;
866 char *s, *sp, *in[CB_FLD_NUM];
867 static const char *dlm = " \t\n";
868 int dim = has_userdata ? CB_FLD_NUM : CB_FLD_USERDATA;
869 s = str;
870
871 for (i = 0; i != dim; i++, s = NULL) {
872 in[i] = strtok_r(s, dlm, &sp);
873 if (in[i] == NULL)
874 return -EINVAL;
875 }
876
877 rc = parse_ipv6_net(in[CB_FLD_SRC_ADDR], v->field + SRC1_FIELD_IPV6);
878 if (rc != 0) {
879 acl_log("failed to read source address/mask: %s\n",
880 in[CB_FLD_SRC_ADDR]);
881 return rc;
882 }
883
884 rc = parse_ipv6_net(in[CB_FLD_DST_ADDR], v->field + DST1_FIELD_IPV6);
885 if (rc != 0) {
886 acl_log("failed to read destination address/mask: %s\n",
887 in[CB_FLD_DST_ADDR]);
888 return rc;
889 }
890
891 /* source port. */
892 GET_CB_FIELD(in[CB_FLD_SRC_PORT_LOW],
893 v->field[SRCP_FIELD_IPV6].value.u16,
894 0, UINT16_MAX, 0);
895 GET_CB_FIELD(in[CB_FLD_SRC_PORT_HIGH],
896 v->field[SRCP_FIELD_IPV6].mask_range.u16,
897 0, UINT16_MAX, 0);
898
899 if (strncmp(in[CB_FLD_SRC_PORT_DLM], cb_port_delim,
900 sizeof(cb_port_delim)) != 0)
901 return -EINVAL;
902
903 /* destination port. */
904 GET_CB_FIELD(in[CB_FLD_DST_PORT_LOW],
905 v->field[DSTP_FIELD_IPV6].value.u16,
906 0, UINT16_MAX, 0);
907 GET_CB_FIELD(in[CB_FLD_DST_PORT_HIGH],
908 v->field[DSTP_FIELD_IPV6].mask_range.u16,
909 0, UINT16_MAX, 0);
910
911 if (strncmp(in[CB_FLD_DST_PORT_DLM], cb_port_delim,
912 sizeof(cb_port_delim)) != 0)
913 return -EINVAL;
914
915 if (v->field[SRCP_FIELD_IPV6].mask_range.u16
916 < v->field[SRCP_FIELD_IPV6].value.u16
917 || v->field[DSTP_FIELD_IPV6].mask_range.u16
918 < v->field[DSTP_FIELD_IPV6].value.u16)
919 return -EINVAL;
920
921 GET_CB_FIELD(in[CB_FLD_PROTO], v->field[PROTO_FIELD_IPV6].value.u8,
922 0, UINT8_MAX, '/');
923 GET_CB_FIELD(in[CB_FLD_PROTO], v->field[PROTO_FIELD_IPV6].mask_range.u8,
924 0, UINT8_MAX, 0);
925
926 if (has_userdata)
927 GET_CB_FIELD(in[CB_FLD_USERDATA], v->data.userdata,
928 0, UINT32_MAX, 0);
929
930 return 0;
931 }
932
933 /*
934 * Parse ClassBench rules file.
935 * Expected format:
936 * '@'<src_ipv4_addr>'/'<masklen> <space> \
937 * <dst_ipv4_addr>'/'<masklen> <space> \
938 * <src_port_low> <space> ":" <src_port_high> <space> \
939 * <dst_port_low> <space> ":" <dst_port_high> <space> \
940 * <proto>'/'<mask>
941 */
942 static int
parse_ipv4_net(const char * in,uint32_t * addr,uint32_t * mask_len)943 parse_ipv4_net(const char *in, uint32_t *addr, uint32_t *mask_len)
944 {
945 uint8_t a, b, c, d, m;
946
947 GET_CB_FIELD(in, a, 0, UINT8_MAX, '.');
948 GET_CB_FIELD(in, b, 0, UINT8_MAX, '.');
949 GET_CB_FIELD(in, c, 0, UINT8_MAX, '.');
950 GET_CB_FIELD(in, d, 0, UINT8_MAX, '/');
951 GET_CB_FIELD(in, m, 0, sizeof(uint32_t) * CHAR_BIT, 0);
952
953 addr[0] = RTE_IPV4(a, b, c, d);
954 mask_len[0] = m;
955
956 return 0;
957 }
958
959 static int
parse_cb_ipv4vlan_rule(char * str,struct rte_acl_rule * v,int has_userdata)960 parse_cb_ipv4vlan_rule(char *str, struct rte_acl_rule *v, int has_userdata)
961 {
962 int i, rc;
963 char *s, *sp, *in[CB_FLD_NUM];
964 static const char *dlm = " \t\n";
965 int dim = has_userdata ? CB_FLD_NUM : CB_FLD_USERDATA;
966 s = str;
967
968 for (i = 0; i != dim; i++, s = NULL) {
969 in[i] = strtok_r(s, dlm, &sp);
970 if (in[i] == NULL)
971 return -EINVAL;
972 }
973
974 rc = parse_ipv4_net(in[CB_FLD_SRC_ADDR],
975 &v->field[SRC_FIELD_IPV4].value.u32,
976 &v->field[SRC_FIELD_IPV4].mask_range.u32);
977 if (rc != 0) {
978 acl_log("failed to read source address/mask: %s\n",
979 in[CB_FLD_SRC_ADDR]);
980 return rc;
981 }
982
983 rc = parse_ipv4_net(in[CB_FLD_DST_ADDR],
984 &v->field[DST_FIELD_IPV4].value.u32,
985 &v->field[DST_FIELD_IPV4].mask_range.u32);
986 if (rc != 0) {
987 acl_log("failed to read destination address/mask: %s\n",
988 in[CB_FLD_DST_ADDR]);
989 return rc;
990 }
991
992 GET_CB_FIELD(in[CB_FLD_SRC_PORT_LOW],
993 v->field[SRCP_FIELD_IPV4].value.u16,
994 0, UINT16_MAX, 0);
995 GET_CB_FIELD(in[CB_FLD_SRC_PORT_HIGH],
996 v->field[SRCP_FIELD_IPV4].mask_range.u16,
997 0, UINT16_MAX, 0);
998
999 if (strncmp(in[CB_FLD_SRC_PORT_DLM], cb_port_delim,
1000 sizeof(cb_port_delim)) != 0)
1001 return -EINVAL;
1002
1003 GET_CB_FIELD(in[CB_FLD_DST_PORT_LOW],
1004 v->field[DSTP_FIELD_IPV4].value.u16,
1005 0, UINT16_MAX, 0);
1006 GET_CB_FIELD(in[CB_FLD_DST_PORT_HIGH],
1007 v->field[DSTP_FIELD_IPV4].mask_range.u16,
1008 0, UINT16_MAX, 0);
1009
1010 if (strncmp(in[CB_FLD_DST_PORT_DLM], cb_port_delim,
1011 sizeof(cb_port_delim)) != 0)
1012 return -EINVAL;
1013
1014 if (v->field[SRCP_FIELD_IPV4].mask_range.u16
1015 < v->field[SRCP_FIELD_IPV4].value.u16
1016 || v->field[DSTP_FIELD_IPV4].mask_range.u16
1017 < v->field[DSTP_FIELD_IPV4].value.u16)
1018 return -EINVAL;
1019
1020 GET_CB_FIELD(in[CB_FLD_PROTO], v->field[PROTO_FIELD_IPV4].value.u8,
1021 0, UINT8_MAX, '/');
1022 GET_CB_FIELD(in[CB_FLD_PROTO], v->field[PROTO_FIELD_IPV4].mask_range.u8,
1023 0, UINT8_MAX, 0);
1024
1025 if (has_userdata)
1026 GET_CB_FIELD(in[CB_FLD_USERDATA], v->data.userdata, 0,
1027 UINT32_MAX, 0);
1028
1029 return 0;
1030 }
1031
1032 static int
add_rules(const char * rule_path,struct rte_acl_rule ** proute_base,unsigned int * proute_num,struct rte_acl_rule ** pacl_base,unsigned int * pacl_num,uint32_t rule_size,int (* parser)(char *,struct rte_acl_rule *,int))1033 add_rules(const char *rule_path,
1034 struct rte_acl_rule **proute_base,
1035 unsigned int *proute_num,
1036 struct rte_acl_rule **pacl_base,
1037 unsigned int *pacl_num, uint32_t rule_size,
1038 int (*parser)(char *, struct rte_acl_rule*, int))
1039 {
1040 uint8_t *acl_rules, *route_rules;
1041 struct rte_acl_rule *next;
1042 unsigned int acl_num = 0, route_num = 0, total_num = 0;
1043 unsigned int acl_cnt = 0, route_cnt = 0;
1044 char buff[LINE_MAX];
1045 FILE *fh = fopen(rule_path, "rb");
1046 unsigned int i = 0;
1047 int val;
1048
1049 if (fh == NULL)
1050 rte_exit(EXIT_FAILURE, "%s: Open %s failed\n", __func__,
1051 rule_path);
1052
1053 while ((fgets(buff, LINE_MAX, fh) != NULL)) {
1054 if (buff[0] == ROUTE_LEAD_CHAR)
1055 route_num++;
1056 else if (buff[0] == ACL_LEAD_CHAR)
1057 acl_num++;
1058 }
1059
1060 if (0 == route_num)
1061 rte_exit(EXIT_FAILURE, "Not find any route entries in %s!\n",
1062 rule_path);
1063
1064 val = fseek(fh, 0, SEEK_SET);
1065 if (val < 0) {
1066 rte_exit(EXIT_FAILURE, "%s: File seek operation failed\n",
1067 __func__);
1068 }
1069
1070 acl_rules = calloc(acl_num, rule_size);
1071
1072 if (NULL == acl_rules)
1073 rte_exit(EXIT_FAILURE, "%s: failed to malloc memory\n",
1074 __func__);
1075
1076 route_rules = calloc(route_num, rule_size);
1077
1078 if (NULL == route_rules)
1079 rte_exit(EXIT_FAILURE, "%s: failed to malloc memory\n",
1080 __func__);
1081
1082 i = 0;
1083 while (fgets(buff, LINE_MAX, fh) != NULL) {
1084 i++;
1085
1086 if (is_bypass_line(buff))
1087 continue;
1088
1089 char s = buff[0];
1090
1091 /* Route entry */
1092 if (s == ROUTE_LEAD_CHAR)
1093 next = (struct rte_acl_rule *)(route_rules +
1094 route_cnt * rule_size);
1095
1096 /* ACL entry */
1097 else if (s == ACL_LEAD_CHAR)
1098 next = (struct rte_acl_rule *)(acl_rules +
1099 acl_cnt * rule_size);
1100
1101 /* Illegal line */
1102 else
1103 rte_exit(EXIT_FAILURE,
1104 "%s Line %u: should start with leading "
1105 "char %c or %c\n",
1106 rule_path, i, ROUTE_LEAD_CHAR, ACL_LEAD_CHAR);
1107
1108 if (parser(buff + 1, next, s == ROUTE_LEAD_CHAR) != 0)
1109 rte_exit(EXIT_FAILURE,
1110 "%s Line %u: parse rules error\n",
1111 rule_path, i);
1112
1113 if (s == ROUTE_LEAD_CHAR) {
1114 /* Check the forwarding port number */
1115 if ((enabled_port_mask & (1 << next->data.userdata)) ==
1116 0)
1117 rte_exit(EXIT_FAILURE,
1118 "%s Line %u: fwd number illegal:%u\n",
1119 rule_path, i, next->data.userdata);
1120 next->data.userdata += FWD_PORT_SHIFT;
1121 route_cnt++;
1122 } else {
1123 next->data.userdata = ACL_DENY_SIGNATURE + acl_cnt;
1124 acl_cnt++;
1125 }
1126
1127 next->data.priority = RTE_ACL_MAX_PRIORITY - total_num;
1128 next->data.category_mask = -1;
1129 total_num++;
1130 }
1131
1132 fclose(fh);
1133
1134 *pacl_base = (struct rte_acl_rule *)acl_rules;
1135 *pacl_num = acl_num;
1136 *proute_base = (struct rte_acl_rule *)route_rules;
1137 *proute_num = route_cnt;
1138
1139 return 0;
1140 }
1141
1142 static int
usage_acl_alg(char * buf,size_t sz)1143 usage_acl_alg(char *buf, size_t sz)
1144 {
1145 uint32_t i, n, rc, tn;
1146
1147 n = 0;
1148 tn = 0;
1149 for (i = 0; i < RTE_DIM(acl_alg); i++) {
1150 rc = snprintf(buf + n, sz - n,
1151 i == RTE_DIM(acl_alg) - 1 ? "%s" : "%s|",
1152 acl_alg[i].name);
1153 tn += rc;
1154 if (rc < sz - n)
1155 n += rc;
1156 }
1157
1158 return tn;
1159 }
1160
1161 static const char *
str_acl_alg(enum rte_acl_classify_alg alg)1162 str_acl_alg(enum rte_acl_classify_alg alg)
1163 {
1164 uint32_t i;
1165
1166 for (i = 0; i != RTE_DIM(acl_alg); i++) {
1167 if (alg == acl_alg[i].alg)
1168 return acl_alg[i].name;
1169 }
1170
1171 return "default";
1172 }
1173
1174 static enum rte_acl_classify_alg
parse_acl_alg(const char * alg)1175 parse_acl_alg(const char *alg)
1176 {
1177 uint32_t i;
1178
1179 for (i = 0; i != RTE_DIM(acl_alg); i++) {
1180 if (strcmp(alg, acl_alg[i].name) == 0)
1181 return acl_alg[i].alg;
1182 }
1183
1184 return RTE_ACL_CLASSIFY_DEFAULT;
1185 }
1186
1187 static void
dump_acl_config(void)1188 dump_acl_config(void)
1189 {
1190 printf("ACL option are:\n");
1191 printf(OPT_RULE_IPV4": %s\n", parm_config.rule_ipv4_name);
1192 printf(OPT_RULE_IPV6": %s\n", parm_config.rule_ipv6_name);
1193 printf(OPT_ALG": %s\n", str_acl_alg(parm_config.alg));
1194 }
1195
1196 static int
check_acl_config(void)1197 check_acl_config(void)
1198 {
1199 if (parm_config.rule_ipv4_name == NULL) {
1200 acl_log("ACL IPv4 rule file not specified\n");
1201 return -1;
1202 } else if (parm_config.rule_ipv6_name == NULL) {
1203 acl_log("ACL IPv6 rule file not specified\n");
1204 return -1;
1205 }
1206
1207 return 0;
1208 }
1209
1210 static struct rte_acl_ctx*
setup_acl(struct rte_acl_rule * route_base,struct rte_acl_rule * acl_base,unsigned int route_num,unsigned int acl_num,int ipv6,int socketid)1211 setup_acl(struct rte_acl_rule *route_base,
1212 struct rte_acl_rule *acl_base, unsigned int route_num,
1213 unsigned int acl_num, int ipv6, int socketid)
1214 {
1215 char name[PATH_MAX];
1216 struct rte_acl_param acl_param;
1217 struct rte_acl_config acl_build_param;
1218 struct rte_acl_ctx *context;
1219 int dim = ipv6 ? RTE_DIM(ipv6_defs) : RTE_DIM(ipv4_defs);
1220
1221 /* Create ACL contexts */
1222 snprintf(name, sizeof(name), "%s%d",
1223 ipv6 ? L3FWD_ACL_IPV6_NAME : L3FWD_ACL_IPV4_NAME,
1224 socketid);
1225
1226 acl_param.name = name;
1227 acl_param.socket_id = socketid;
1228 acl_param.rule_size = RTE_ACL_RULE_SZ(dim);
1229 acl_param.max_rule_num = MAX_ACL_RULE_NUM;
1230
1231 if ((context = rte_acl_create(&acl_param)) == NULL)
1232 rte_exit(EXIT_FAILURE, "Failed to create ACL context\n");
1233
1234 if (parm_config.alg != RTE_ACL_CLASSIFY_DEFAULT &&
1235 rte_acl_set_ctx_classify(context, parm_config.alg) != 0)
1236 rte_exit(EXIT_FAILURE,
1237 "Failed to setup classify method for ACL context\n");
1238
1239 if (rte_acl_add_rules(context, route_base, route_num) < 0)
1240 rte_exit(EXIT_FAILURE, "add rules failed\n");
1241
1242 if (rte_acl_add_rules(context, acl_base, acl_num) < 0)
1243 rte_exit(EXIT_FAILURE, "add rules failed\n");
1244
1245 /* Perform builds */
1246 memset(&acl_build_param, 0, sizeof(acl_build_param));
1247
1248 acl_build_param.num_categories = DEFAULT_MAX_CATEGORIES;
1249 acl_build_param.num_fields = dim;
1250 memcpy(&acl_build_param.defs, ipv6 ? ipv6_defs : ipv4_defs,
1251 ipv6 ? sizeof(ipv6_defs) : sizeof(ipv4_defs));
1252
1253 if (rte_acl_build(context, &acl_build_param) != 0)
1254 rte_exit(EXIT_FAILURE, "Failed to build ACL trie\n");
1255
1256 rte_acl_dump(context);
1257
1258 return context;
1259 }
1260
1261 static int
app_acl_init(void)1262 app_acl_init(void)
1263 {
1264 unsigned lcore_id;
1265 unsigned int i;
1266 int socketid;
1267 struct rte_acl_rule *acl_base_ipv4, *route_base_ipv4,
1268 *acl_base_ipv6, *route_base_ipv6;
1269 unsigned int acl_num_ipv4 = 0, route_num_ipv4 = 0,
1270 acl_num_ipv6 = 0, route_num_ipv6 = 0;
1271
1272 if (check_acl_config() != 0)
1273 rte_exit(EXIT_FAILURE, "Failed to get valid ACL options\n");
1274
1275 dump_acl_config();
1276
1277 /* Load rules from the input file */
1278 if (add_rules(parm_config.rule_ipv4_name, &route_base_ipv4,
1279 &route_num_ipv4, &acl_base_ipv4, &acl_num_ipv4,
1280 sizeof(struct acl4_rule), &parse_cb_ipv4vlan_rule) < 0)
1281 rte_exit(EXIT_FAILURE, "Failed to add rules\n");
1282
1283 acl_log("IPv4 Route entries %u:\n", route_num_ipv4);
1284 dump_ipv4_rules((struct acl4_rule *)route_base_ipv4, route_num_ipv4, 1);
1285
1286 acl_log("IPv4 ACL entries %u:\n", acl_num_ipv4);
1287 dump_ipv4_rules((struct acl4_rule *)acl_base_ipv4, acl_num_ipv4, 1);
1288
1289 if (add_rules(parm_config.rule_ipv6_name, &route_base_ipv6,
1290 &route_num_ipv6,
1291 &acl_base_ipv6, &acl_num_ipv6,
1292 sizeof(struct acl6_rule), &parse_cb_ipv6_rule) < 0)
1293 rte_exit(EXIT_FAILURE, "Failed to add rules\n");
1294
1295 acl_log("IPv6 Route entries %u:\n", route_num_ipv6);
1296 dump_ipv6_rules((struct acl6_rule *)route_base_ipv6, route_num_ipv6, 1);
1297
1298 acl_log("IPv6 ACL entries %u:\n", acl_num_ipv6);
1299 dump_ipv6_rules((struct acl6_rule *)acl_base_ipv6, acl_num_ipv6, 1);
1300
1301 memset(&acl_config, 0, sizeof(acl_config));
1302
1303 /* Check sockets a context should be created on */
1304 if (!numa_on)
1305 acl_config.mapped[0] = 1;
1306 else {
1307 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1308 if (rte_lcore_is_enabled(lcore_id) == 0)
1309 continue;
1310
1311 socketid = rte_lcore_to_socket_id(lcore_id);
1312 if (socketid >= NB_SOCKETS) {
1313 acl_log("Socket %d of lcore %u is out "
1314 "of range %d\n",
1315 socketid, lcore_id, NB_SOCKETS);
1316 free(route_base_ipv4);
1317 free(route_base_ipv6);
1318 free(acl_base_ipv4);
1319 free(acl_base_ipv6);
1320 return -1;
1321 }
1322
1323 acl_config.mapped[socketid] = 1;
1324 }
1325 }
1326
1327 for (i = 0; i < NB_SOCKETS; i++) {
1328 if (acl_config.mapped[i]) {
1329 acl_config.acx_ipv4[i] = setup_acl(route_base_ipv4,
1330 acl_base_ipv4, route_num_ipv4, acl_num_ipv4,
1331 0, i);
1332
1333 acl_config.acx_ipv6[i] = setup_acl(route_base_ipv6,
1334 acl_base_ipv6, route_num_ipv6, acl_num_ipv6,
1335 1, i);
1336 }
1337 }
1338
1339 free(route_base_ipv4);
1340 free(route_base_ipv6);
1341
1342 #ifdef L3FWDACL_DEBUG
1343 acl_config.rule_ipv4 = (struct acl4_rule *)acl_base_ipv4;
1344 acl_config.rule_ipv6 = (struct acl6_rule *)acl_base_ipv6;
1345 #else
1346 free(acl_base_ipv4);
1347 free(acl_base_ipv6);
1348 #endif
1349
1350 return 0;
1351 }
1352
1353 /***********************end of ACL part******************************/
1354
1355 struct lcore_conf {
1356 uint16_t n_rx_queue;
1357 struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
1358 uint16_t n_tx_port;
1359 uint16_t tx_port_id[RTE_MAX_ETHPORTS];
1360 uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
1361 struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
1362 } __rte_cache_aligned;
1363
1364 static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
1365
1366 /* Enqueue a single packet, and send burst if queue is filled */
1367 static inline void
send_single_packet(struct rte_mbuf * m,uint16_t port)1368 send_single_packet(struct rte_mbuf *m, uint16_t port)
1369 {
1370 uint32_t lcore_id;
1371 struct lcore_conf *qconf;
1372 struct rte_ether_hdr *eh;
1373
1374 lcore_id = rte_lcore_id();
1375
1376 /* update src and dst mac*/
1377 eh = rte_pktmbuf_mtod(m, struct rte_ether_hdr *);
1378 memcpy(eh, &port_l2hdr[port],
1379 sizeof(eh->dst_addr) + sizeof(eh->src_addr));
1380
1381 qconf = &lcore_conf[lcore_id];
1382 rte_eth_tx_buffer(port, qconf->tx_queue_id[port],
1383 qconf->tx_buffer[port], m);
1384 }
1385
1386 #ifdef DO_RFC_1812_CHECKS
1387 static inline int
is_valid_ipv4_pkt(struct rte_ipv4_hdr * pkt,uint32_t link_len)1388 is_valid_ipv4_pkt(struct rte_ipv4_hdr *pkt, uint32_t link_len)
1389 {
1390 /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
1391 /*
1392 * 1. The packet length reported by the Link Layer must be large
1393 * enough to hold the minimum length legal IP datagram (20 bytes).
1394 */
1395 if (link_len < sizeof(struct rte_ipv4_hdr))
1396 return -1;
1397
1398 /* 2. The IP checksum must be correct. */
1399 /* this is checked in H/W */
1400
1401 /*
1402 * 3. The IP version number must be 4. If the version number is not 4
1403 * then the packet may be another version of IP, such as IPng or
1404 * ST-II.
1405 */
1406 if (((pkt->version_ihl) >> 4) != 4)
1407 return -3;
1408 /*
1409 * 4. The IP header length field must be large enough to hold the
1410 * minimum length legal IP datagram (20 bytes = 5 words).
1411 */
1412 if ((pkt->version_ihl & 0xf) < 5)
1413 return -4;
1414
1415 /*
1416 * 5. The IP total length field must be large enough to hold the IP
1417 * datagram header, whose length is specified in the IP header length
1418 * field.
1419 */
1420 if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct rte_ipv4_hdr))
1421 return -5;
1422
1423 return 0;
1424 }
1425 #endif
1426
1427 /* main processing loop */
1428 static int
main_loop(__rte_unused void * dummy)1429 main_loop(__rte_unused void *dummy)
1430 {
1431 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
1432 unsigned lcore_id;
1433 uint64_t prev_tsc, diff_tsc, cur_tsc;
1434 int i, nb_rx;
1435 uint16_t portid;
1436 uint8_t queueid;
1437 struct lcore_conf *qconf;
1438 int socketid;
1439 const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1)
1440 / US_PER_S * BURST_TX_DRAIN_US;
1441
1442 prev_tsc = 0;
1443 lcore_id = rte_lcore_id();
1444 qconf = &lcore_conf[lcore_id];
1445 socketid = rte_lcore_to_socket_id(lcore_id);
1446
1447 if (qconf->n_rx_queue == 0) {
1448 RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id);
1449 return 0;
1450 }
1451
1452 RTE_LOG(INFO, L3FWD, "entering main loop on lcore %u\n", lcore_id);
1453
1454 for (i = 0; i < qconf->n_rx_queue; i++) {
1455
1456 portid = qconf->rx_queue_list[i].port_id;
1457 queueid = qconf->rx_queue_list[i].queue_id;
1458 RTE_LOG(INFO, L3FWD,
1459 " -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
1460 lcore_id, portid, queueid);
1461 }
1462
1463 while (1) {
1464
1465 cur_tsc = rte_rdtsc();
1466
1467 /*
1468 * TX burst queue drain
1469 */
1470 diff_tsc = cur_tsc - prev_tsc;
1471 if (unlikely(diff_tsc > drain_tsc)) {
1472 for (i = 0; i < qconf->n_tx_port; ++i) {
1473 portid = qconf->tx_port_id[i];
1474 rte_eth_tx_buffer_flush(portid,
1475 qconf->tx_queue_id[portid],
1476 qconf->tx_buffer[portid]);
1477 }
1478 prev_tsc = cur_tsc;
1479 }
1480
1481 /*
1482 * Read packet from RX queues
1483 */
1484 for (i = 0; i < qconf->n_rx_queue; ++i) {
1485
1486 portid = qconf->rx_queue_list[i].port_id;
1487 queueid = qconf->rx_queue_list[i].queue_id;
1488 nb_rx = rte_eth_rx_burst(portid, queueid,
1489 pkts_burst, MAX_PKT_BURST);
1490
1491 if (nb_rx > 0) {
1492 struct acl_search_t acl_search;
1493
1494 prepare_acl_parameter(pkts_burst, &acl_search,
1495 nb_rx);
1496
1497 if (acl_search.num_ipv4) {
1498 rte_acl_classify(
1499 acl_config.acx_ipv4[socketid],
1500 acl_search.data_ipv4,
1501 acl_search.res_ipv4,
1502 acl_search.num_ipv4,
1503 DEFAULT_MAX_CATEGORIES);
1504
1505 send_packets(acl_search.m_ipv4,
1506 acl_search.res_ipv4,
1507 acl_search.num_ipv4);
1508 }
1509
1510 if (acl_search.num_ipv6) {
1511 rte_acl_classify(
1512 acl_config.acx_ipv6[socketid],
1513 acl_search.data_ipv6,
1514 acl_search.res_ipv6,
1515 acl_search.num_ipv6,
1516 DEFAULT_MAX_CATEGORIES);
1517
1518 send_packets(acl_search.m_ipv6,
1519 acl_search.res_ipv6,
1520 acl_search.num_ipv6);
1521 }
1522 }
1523 }
1524 }
1525 }
1526
1527 static int
check_lcore_params(void)1528 check_lcore_params(void)
1529 {
1530 uint8_t queue, lcore;
1531 uint16_t i;
1532 int socketid;
1533
1534 for (i = 0; i < nb_lcore_params; ++i) {
1535 queue = lcore_params[i].queue_id;
1536 if (queue >= MAX_RX_QUEUE_PER_PORT) {
1537 printf("invalid queue number: %hhu\n", queue);
1538 return -1;
1539 }
1540 lcore = lcore_params[i].lcore_id;
1541 if (!rte_lcore_is_enabled(lcore)) {
1542 printf("error: lcore %hhu is not enabled in "
1543 "lcore mask\n", lcore);
1544 return -1;
1545 }
1546 socketid = rte_lcore_to_socket_id(lcore);
1547 if (socketid != 0 && numa_on == 0) {
1548 printf("warning: lcore %hhu is on socket %d "
1549 "with numa off\n",
1550 lcore, socketid);
1551 }
1552 }
1553 return 0;
1554 }
1555
1556 static int
check_port_config(void)1557 check_port_config(void)
1558 {
1559 unsigned portid;
1560 uint16_t i;
1561
1562 for (i = 0; i < nb_lcore_params; ++i) {
1563 portid = lcore_params[i].port_id;
1564
1565 if ((enabled_port_mask & (1 << portid)) == 0) {
1566 printf("port %u is not enabled in port mask\n", portid);
1567 return -1;
1568 }
1569 if (!rte_eth_dev_is_valid_port(portid)) {
1570 printf("port %u is not present on the board\n", portid);
1571 return -1;
1572 }
1573 }
1574 return 0;
1575 }
1576
1577 static uint8_t
get_port_n_rx_queues(const uint16_t port)1578 get_port_n_rx_queues(const uint16_t port)
1579 {
1580 int queue = -1;
1581 uint16_t i;
1582
1583 for (i = 0; i < nb_lcore_params; ++i) {
1584 if (lcore_params[i].port_id == port &&
1585 lcore_params[i].queue_id > queue)
1586 queue = lcore_params[i].queue_id;
1587 }
1588 return (uint8_t)(++queue);
1589 }
1590
1591 static int
init_lcore_rx_queues(void)1592 init_lcore_rx_queues(void)
1593 {
1594 uint16_t i, nb_rx_queue;
1595 uint8_t lcore;
1596
1597 for (i = 0; i < nb_lcore_params; ++i) {
1598 lcore = lcore_params[i].lcore_id;
1599 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1600 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1601 printf("error: too many queues (%u) for lcore: %u\n",
1602 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1603 return -1;
1604 } else {
1605 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1606 lcore_params[i].port_id;
1607 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1608 lcore_params[i].queue_id;
1609 lcore_conf[lcore].n_rx_queue++;
1610 }
1611 }
1612 return 0;
1613 }
1614
1615 /* display usage */
1616 static void
print_usage(const char * prgname)1617 print_usage(const char *prgname)
1618 {
1619 char alg[PATH_MAX];
1620
1621 usage_acl_alg(alg, sizeof(alg));
1622 printf("%s [EAL options] -- -p PORTMASK -P"
1623 " --"OPT_RULE_IPV4"=FILE"
1624 " --"OPT_RULE_IPV6"=FILE"
1625 " [--"OPT_CONFIG" (port,queue,lcore)[,(port,queue,lcore]]"
1626 " [--"OPT_MAX_PKT_LEN" PKTLEN]\n"
1627 " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1628 " -P: enable promiscuous mode\n"
1629 " --"OPT_CONFIG" (port,queue,lcore): rx queues configuration\n"
1630 " --"OPT_NONUMA": optional, disable numa awareness\n"
1631 " --"OPT_MAX_PKT_LEN" PKTLEN: maximum packet length in decimal (64-9600)\n"
1632 " --"OPT_RULE_IPV4"=FILE: specify the ipv4 rules entries file. "
1633 "Each rule occupy one line. "
1634 "2 kinds of rules are supported. "
1635 "One is ACL entry at while line leads with character '%c', "
1636 "another is route entry at while line leads with character '%c'.\n"
1637 " --"OPT_RULE_IPV6"=FILE: specify the ipv6 rules entries file.\n"
1638 " --"OPT_ALG": ACL classify method to use, one of: %s\n",
1639 prgname, ACL_LEAD_CHAR, ROUTE_LEAD_CHAR, alg);
1640 }
1641
1642 static int
parse_max_pkt_len(const char * pktlen)1643 parse_max_pkt_len(const char *pktlen)
1644 {
1645 char *end = NULL;
1646 unsigned long len;
1647
1648 /* parse decimal string */
1649 len = strtoul(pktlen, &end, 10);
1650 if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1651 return -1;
1652
1653 if (len == 0)
1654 return -1;
1655
1656 return len;
1657 }
1658
1659 static int
parse_portmask(const char * portmask)1660 parse_portmask(const char *portmask)
1661 {
1662 char *end = NULL;
1663 unsigned long pm;
1664
1665 /* parse hexadecimal string */
1666 pm = strtoul(portmask, &end, 16);
1667 if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1668 return 0;
1669
1670 return pm;
1671 }
1672
1673 static int
parse_config(const char * q_arg)1674 parse_config(const char *q_arg)
1675 {
1676 char s[256];
1677 const char *p, *p0 = q_arg;
1678 char *end;
1679 enum fieldnames {
1680 FLD_PORT = 0,
1681 FLD_QUEUE,
1682 FLD_LCORE,
1683 _NUM_FLD
1684 };
1685 unsigned long int_fld[_NUM_FLD];
1686 char *str_fld[_NUM_FLD];
1687 int i;
1688 unsigned size;
1689
1690 nb_lcore_params = 0;
1691
1692 while ((p = strchr(p0, '(')) != NULL) {
1693 ++p;
1694 if ((p0 = strchr(p, ')')) == NULL)
1695 return -1;
1696
1697 size = p0 - p;
1698 if (size >= sizeof(s))
1699 return -1;
1700
1701 snprintf(s, sizeof(s), "%.*s", size, p);
1702 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1703 _NUM_FLD)
1704 return -1;
1705 for (i = 0; i < _NUM_FLD; i++) {
1706 errno = 0;
1707 int_fld[i] = strtoul(str_fld[i], &end, 0);
1708 if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
1709 return -1;
1710 }
1711 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1712 printf("exceeded max number of lcore params: %hu\n",
1713 nb_lcore_params);
1714 return -1;
1715 }
1716 lcore_params_array[nb_lcore_params].port_id =
1717 (uint8_t)int_fld[FLD_PORT];
1718 lcore_params_array[nb_lcore_params].queue_id =
1719 (uint8_t)int_fld[FLD_QUEUE];
1720 lcore_params_array[nb_lcore_params].lcore_id =
1721 (uint8_t)int_fld[FLD_LCORE];
1722 ++nb_lcore_params;
1723 }
1724 lcore_params = lcore_params_array;
1725 return 0;
1726 }
1727
1728 static const char *
parse_eth_dest(const char * optarg)1729 parse_eth_dest(const char *optarg)
1730 {
1731 unsigned long portid;
1732 char *port_end;
1733
1734 errno = 0;
1735 portid = strtoul(optarg, &port_end, 0);
1736 if (errno != 0 || port_end == optarg || *port_end++ != ',')
1737 return "Invalid format";
1738 else if (portid >= RTE_MAX_ETHPORTS)
1739 return "port value exceeds RTE_MAX_ETHPORTS("
1740 RTE_STR(RTE_MAX_ETHPORTS) ")";
1741
1742 if (cmdline_parse_etheraddr(NULL, port_end,
1743 &port_l2hdr[portid].dst_addr,
1744 sizeof(port_l2hdr[portid].dst_addr)) < 0)
1745 return "Invalid ethernet address";
1746 return NULL;
1747 }
1748
1749 /* Parse the argument given in the command line of the application */
1750 static int
parse_args(int argc,char ** argv)1751 parse_args(int argc, char **argv)
1752 {
1753 int opt, ret;
1754 char **argvopt;
1755 int option_index;
1756 char *prgname = argv[0];
1757 static struct option lgopts[] = {
1758 {OPT_CONFIG, 1, NULL, OPT_CONFIG_NUM },
1759 {OPT_NONUMA, 0, NULL, OPT_NONUMA_NUM },
1760 {OPT_MAX_PKT_LEN, 1, NULL, OPT_MAX_PKT_LEN_NUM },
1761 {OPT_RULE_IPV4, 1, NULL, OPT_RULE_IPV4_NUM },
1762 {OPT_RULE_IPV6, 1, NULL, OPT_RULE_IPV6_NUM },
1763 {OPT_ALG, 1, NULL, OPT_ALG_NUM },
1764 {OPT_ETH_DEST, 1, NULL, OPT_ETH_DEST_NUM },
1765 {NULL, 0, 0, 0 }
1766 };
1767
1768 argvopt = argv;
1769
1770 while ((opt = getopt_long(argc, argvopt, "p:P",
1771 lgopts, &option_index)) != EOF) {
1772
1773 switch (opt) {
1774 /* portmask */
1775 case 'p':
1776 enabled_port_mask = parse_portmask(optarg);
1777 if (enabled_port_mask == 0) {
1778 printf("invalid portmask\n");
1779 print_usage(prgname);
1780 return -1;
1781 }
1782 break;
1783
1784 case 'P':
1785 printf("Promiscuous mode selected\n");
1786 promiscuous_on = 1;
1787 break;
1788
1789 /* long options */
1790 case OPT_CONFIG_NUM:
1791 ret = parse_config(optarg);
1792 if (ret) {
1793 printf("invalid config\n");
1794 print_usage(prgname);
1795 return -1;
1796 }
1797 break;
1798
1799 case OPT_NONUMA_NUM:
1800 printf("numa is disabled\n");
1801 numa_on = 0;
1802 break;
1803
1804 case OPT_MAX_PKT_LEN_NUM:
1805 printf("Custom frame size is configured\n");
1806 max_pkt_len = parse_max_pkt_len(optarg);
1807 break;
1808
1809 case OPT_RULE_IPV4_NUM:
1810 parm_config.rule_ipv4_name = optarg;
1811 break;
1812
1813 case OPT_RULE_IPV6_NUM:
1814 parm_config.rule_ipv6_name = optarg;
1815 break;
1816
1817 case OPT_ALG_NUM:
1818 parm_config.alg = parse_acl_alg(optarg);
1819 if (parm_config.alg ==
1820 RTE_ACL_CLASSIFY_DEFAULT) {
1821 printf("unknown %s value:\"%s\"\n",
1822 OPT_ALG, optarg);
1823 print_usage(prgname);
1824 return -1;
1825 }
1826 break;
1827
1828 case OPT_ETH_DEST_NUM:
1829 {
1830 const char *serr = parse_eth_dest(optarg);
1831 if (serr != NULL) {
1832 printf("invalid %s value:\"%s\": %s\n",
1833 OPT_ETH_DEST, optarg, serr);
1834 print_usage(prgname);
1835 return -1;
1836 }
1837 break;
1838 }
1839 default:
1840 print_usage(prgname);
1841 return -1;
1842 }
1843 }
1844
1845 if (optind >= 0)
1846 argv[optind-1] = prgname;
1847
1848 ret = optind-1;
1849 optind = 1; /* reset getopt lib */
1850 return ret;
1851 }
1852
1853 static void
print_ethaddr(const char * name,const struct rte_ether_addr * eth_addr)1854 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
1855 {
1856 char buf[RTE_ETHER_ADDR_FMT_SIZE];
1857 rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
1858 printf("%s%s", name, buf);
1859 }
1860
1861 static int
init_mem(unsigned nb_mbuf)1862 init_mem(unsigned nb_mbuf)
1863 {
1864 int socketid;
1865 unsigned lcore_id;
1866 char s[64];
1867
1868 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1869 if (rte_lcore_is_enabled(lcore_id) == 0)
1870 continue;
1871
1872 if (numa_on)
1873 socketid = rte_lcore_to_socket_id(lcore_id);
1874 else
1875 socketid = 0;
1876
1877 if (socketid >= NB_SOCKETS) {
1878 rte_exit(EXIT_FAILURE,
1879 "Socket %d of lcore %u is out of range %d\n",
1880 socketid, lcore_id, NB_SOCKETS);
1881 }
1882 if (pktmbuf_pool[socketid] == NULL) {
1883 snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1884 pktmbuf_pool[socketid] =
1885 rte_pktmbuf_pool_create(s, nb_mbuf,
1886 MEMPOOL_CACHE_SIZE, 0,
1887 RTE_MBUF_DEFAULT_BUF_SIZE,
1888 socketid);
1889 if (pktmbuf_pool[socketid] == NULL)
1890 rte_exit(EXIT_FAILURE,
1891 "Cannot init mbuf pool on socket %d\n",
1892 socketid);
1893 else
1894 printf("Allocated mbuf pool on socket %d\n",
1895 socketid);
1896 }
1897 }
1898 return 0;
1899 }
1900
1901 /* Check the link status of all ports in up to 9s, and print them finally */
1902 static void
check_all_ports_link_status(uint32_t port_mask)1903 check_all_ports_link_status(uint32_t port_mask)
1904 {
1905 #define CHECK_INTERVAL 100 /* 100ms */
1906 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1907 uint16_t portid;
1908 uint8_t count, all_ports_up, print_flag = 0;
1909 struct rte_eth_link link;
1910 int ret;
1911 char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
1912
1913 printf("\nChecking link status");
1914 fflush(stdout);
1915 for (count = 0; count <= MAX_CHECK_TIME; count++) {
1916 all_ports_up = 1;
1917 RTE_ETH_FOREACH_DEV(portid) {
1918 if ((port_mask & (1 << portid)) == 0)
1919 continue;
1920 memset(&link, 0, sizeof(link));
1921 ret = rte_eth_link_get_nowait(portid, &link);
1922 if (ret < 0) {
1923 all_ports_up = 0;
1924 if (print_flag == 1)
1925 printf("Port %u link get failed: %s\n",
1926 portid, rte_strerror(-ret));
1927 continue;
1928 }
1929 /* print link status if flag set */
1930 if (print_flag == 1) {
1931 rte_eth_link_to_str(link_status_text,
1932 sizeof(link_status_text), &link);
1933 printf("Port %d %s\n", portid,
1934 link_status_text);
1935 continue;
1936 }
1937 /* clear all_ports_up flag if any link down */
1938 if (link.link_status == RTE_ETH_LINK_DOWN) {
1939 all_ports_up = 0;
1940 break;
1941 }
1942 }
1943 /* after finally printing all link status, get out */
1944 if (print_flag == 1)
1945 break;
1946
1947 if (all_ports_up == 0) {
1948 printf(".");
1949 fflush(stdout);
1950 rte_delay_ms(CHECK_INTERVAL);
1951 }
1952
1953 /* set the print_flag if all ports up or timeout */
1954 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1955 print_flag = 1;
1956 printf("done\n");
1957 }
1958 }
1959 }
1960
1961 /*
1962 * build-up default values for dest MACs.
1963 */
1964 static void
set_default_dest_mac(void)1965 set_default_dest_mac(void)
1966 {
1967 uint32_t i;
1968
1969 for (i = 0; i != RTE_DIM(port_l2hdr); i++) {
1970 port_l2hdr[i].dst_addr.addr_bytes[0] =
1971 RTE_ETHER_LOCAL_ADMIN_ADDR;
1972 port_l2hdr[i].dst_addr.addr_bytes[5] = i;
1973 }
1974 }
1975
1976 static uint32_t
eth_dev_get_overhead_len(uint32_t max_rx_pktlen,uint16_t max_mtu)1977 eth_dev_get_overhead_len(uint32_t max_rx_pktlen, uint16_t max_mtu)
1978 {
1979 uint32_t overhead_len;
1980
1981 if (max_mtu != UINT16_MAX && max_rx_pktlen > max_mtu)
1982 overhead_len = max_rx_pktlen - max_mtu;
1983 else
1984 overhead_len = RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN;
1985
1986 return overhead_len;
1987 }
1988
1989 static int
config_port_max_pkt_len(struct rte_eth_conf * conf,struct rte_eth_dev_info * dev_info)1990 config_port_max_pkt_len(struct rte_eth_conf *conf,
1991 struct rte_eth_dev_info *dev_info)
1992 {
1993 uint32_t overhead_len;
1994
1995 if (max_pkt_len == 0)
1996 return 0;
1997
1998 if (max_pkt_len < RTE_ETHER_MIN_LEN || max_pkt_len > MAX_JUMBO_PKT_LEN)
1999 return -1;
2000
2001 overhead_len = eth_dev_get_overhead_len(dev_info->max_rx_pktlen,
2002 dev_info->max_mtu);
2003 conf->rxmode.mtu = max_pkt_len - overhead_len;
2004
2005 if (conf->rxmode.mtu > RTE_ETHER_MTU)
2006 conf->txmode.offloads |= RTE_ETH_TX_OFFLOAD_MULTI_SEGS;
2007
2008 return 0;
2009 }
2010
2011 int
main(int argc,char ** argv)2012 main(int argc, char **argv)
2013 {
2014 struct lcore_conf *qconf;
2015 struct rte_eth_dev_info dev_info;
2016 struct rte_eth_txconf *txconf;
2017 int ret;
2018 unsigned nb_ports;
2019 uint16_t queueid;
2020 unsigned lcore_id;
2021 uint32_t n_tx_queue, nb_lcores;
2022 uint16_t portid;
2023 uint8_t nb_rx_queue, queue, socketid;
2024
2025 /* init EAL */
2026 ret = rte_eal_init(argc, argv);
2027 if (ret < 0)
2028 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
2029 argc -= ret;
2030 argv += ret;
2031
2032 set_default_dest_mac();
2033
2034 /* parse application arguments (after the EAL ones) */
2035 ret = parse_args(argc, argv);
2036 if (ret < 0)
2037 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
2038
2039 if (check_lcore_params() < 0)
2040 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
2041
2042 ret = init_lcore_rx_queues();
2043 if (ret < 0)
2044 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
2045
2046 nb_ports = rte_eth_dev_count_avail();
2047
2048 if (check_port_config() < 0)
2049 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
2050
2051 /* Add ACL rules and route entries, build trie */
2052 if (app_acl_init() < 0)
2053 rte_exit(EXIT_FAILURE, "app_acl_init failed\n");
2054
2055 nb_lcores = rte_lcore_count();
2056
2057 /* initialize all ports */
2058 RTE_ETH_FOREACH_DEV(portid) {
2059 struct rte_eth_conf local_port_conf = port_conf;
2060
2061 /* skip ports that are not enabled */
2062 if ((enabled_port_mask & (1 << portid)) == 0) {
2063 printf("\nSkipping disabled port %d\n", portid);
2064 continue;
2065 }
2066
2067 /* init port */
2068 printf("Initializing port %d ... ", portid);
2069 fflush(stdout);
2070
2071 nb_rx_queue = get_port_n_rx_queues(portid);
2072 n_tx_queue = nb_lcores;
2073 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
2074 n_tx_queue = MAX_TX_QUEUE_PER_PORT;
2075 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
2076 nb_rx_queue, (unsigned)n_tx_queue);
2077
2078 ret = rte_eth_dev_info_get(portid, &dev_info);
2079 if (ret != 0)
2080 rte_exit(EXIT_FAILURE,
2081 "Error during getting device (port %u) info: %s\n",
2082 portid, strerror(-ret));
2083
2084 ret = config_port_max_pkt_len(&local_port_conf, &dev_info);
2085 if (ret != 0)
2086 rte_exit(EXIT_FAILURE,
2087 "Invalid max packet length: %u (port %u)\n",
2088 max_pkt_len, portid);
2089
2090 if (dev_info.tx_offload_capa & RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE)
2091 local_port_conf.txmode.offloads |=
2092 RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE;
2093
2094 local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
2095 dev_info.flow_type_rss_offloads;
2096 if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
2097 port_conf.rx_adv_conf.rss_conf.rss_hf) {
2098 printf("Port %u modified RSS hash function based on hardware support,"
2099 "requested:%#"PRIx64" configured:%#"PRIx64"\n",
2100 portid,
2101 port_conf.rx_adv_conf.rss_conf.rss_hf,
2102 local_port_conf.rx_adv_conf.rss_conf.rss_hf);
2103 }
2104
2105 ret = rte_eth_dev_configure(portid, nb_rx_queue,
2106 (uint16_t)n_tx_queue, &local_port_conf);
2107 if (ret < 0)
2108 rte_exit(EXIT_FAILURE,
2109 "Cannot configure device: err=%d, port=%d\n",
2110 ret, portid);
2111
2112 ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
2113 &nb_txd);
2114 if (ret < 0)
2115 rte_exit(EXIT_FAILURE,
2116 "rte_eth_dev_adjust_nb_rx_tx_desc: err=%d, port=%d\n",
2117 ret, portid);
2118
2119 ret = rte_eth_macaddr_get(portid, &port_l2hdr[portid].src_addr);
2120 if (ret < 0)
2121 rte_exit(EXIT_FAILURE,
2122 "rte_eth_macaddr_get: err=%d, port=%d\n",
2123 ret, portid);
2124
2125 print_ethaddr("Dst MAC:", &port_l2hdr[portid].dst_addr);
2126 print_ethaddr(", Src MAC:", &port_l2hdr[portid].src_addr);
2127 printf(", ");
2128
2129 /* init memory */
2130 ret = init_mem(NB_MBUF);
2131 if (ret < 0)
2132 rte_exit(EXIT_FAILURE, "init_mem failed\n");
2133
2134 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2135 if (rte_lcore_is_enabled(lcore_id) == 0)
2136 continue;
2137
2138 /* Initialize TX buffers */
2139 qconf = &lcore_conf[lcore_id];
2140 qconf->tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
2141 RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
2142 rte_eth_dev_socket_id(portid));
2143 if (qconf->tx_buffer[portid] == NULL)
2144 rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n",
2145 (unsigned) portid);
2146
2147 rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST);
2148 }
2149
2150 /* init one TX queue per couple (lcore,port) */
2151 queueid = 0;
2152 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2153 if (rte_lcore_is_enabled(lcore_id) == 0)
2154 continue;
2155
2156 if (numa_on)
2157 socketid = (uint8_t)
2158 rte_lcore_to_socket_id(lcore_id);
2159 else
2160 socketid = 0;
2161
2162 printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
2163 fflush(stdout);
2164
2165 ret = rte_eth_dev_info_get(portid, &dev_info);
2166 if (ret != 0)
2167 rte_exit(EXIT_FAILURE,
2168 "Error during getting device (port %u) info: %s\n",
2169 portid, strerror(-ret));
2170
2171 txconf = &dev_info.default_txconf;
2172 txconf->offloads = local_port_conf.txmode.offloads;
2173 ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
2174 socketid, txconf);
2175 if (ret < 0)
2176 rte_exit(EXIT_FAILURE,
2177 "rte_eth_tx_queue_setup: err=%d, "
2178 "port=%d\n", ret, portid);
2179
2180 qconf = &lcore_conf[lcore_id];
2181 qconf->tx_queue_id[portid] = queueid;
2182 queueid++;
2183
2184 qconf->tx_port_id[qconf->n_tx_port] = portid;
2185 qconf->n_tx_port++;
2186 }
2187 printf("\n");
2188 }
2189
2190 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2191 if (rte_lcore_is_enabled(lcore_id) == 0)
2192 continue;
2193 qconf = &lcore_conf[lcore_id];
2194 printf("\nInitializing rx queues on lcore %u ... ", lcore_id);
2195 fflush(stdout);
2196 /* init RX queues */
2197 for (queue = 0; queue < qconf->n_rx_queue; ++queue) {
2198 struct rte_eth_rxconf rxq_conf;
2199
2200 portid = qconf->rx_queue_list[queue].port_id;
2201 queueid = qconf->rx_queue_list[queue].queue_id;
2202
2203 if (numa_on)
2204 socketid = (uint8_t)
2205 rte_lcore_to_socket_id(lcore_id);
2206 else
2207 socketid = 0;
2208
2209 printf("rxq=%d,%d,%d ", portid, queueid, socketid);
2210 fflush(stdout);
2211
2212 ret = rte_eth_dev_info_get(portid, &dev_info);
2213 if (ret != 0)
2214 rte_exit(EXIT_FAILURE,
2215 "Error during getting device (port %u) info: %s\n",
2216 portid, strerror(-ret));
2217
2218 rxq_conf = dev_info.default_rxconf;
2219 rxq_conf.offloads = port_conf.rxmode.offloads;
2220 ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
2221 socketid, &rxq_conf,
2222 pktmbuf_pool[socketid]);
2223 if (ret < 0)
2224 rte_exit(EXIT_FAILURE,
2225 "rte_eth_rx_queue_setup: err=%d,"
2226 "port=%d\n", ret, portid);
2227 }
2228 }
2229
2230 printf("\n");
2231
2232 /* start ports */
2233 RTE_ETH_FOREACH_DEV(portid) {
2234 if ((enabled_port_mask & (1 << portid)) == 0)
2235 continue;
2236
2237 /* Start device */
2238 ret = rte_eth_dev_start(portid);
2239 if (ret < 0)
2240 rte_exit(EXIT_FAILURE,
2241 "rte_eth_dev_start: err=%d, port=%d\n",
2242 ret, portid);
2243
2244 /*
2245 * If enabled, put device in promiscuous mode.
2246 * This allows IO forwarding mode to forward packets
2247 * to itself through 2 cross-connected ports of the
2248 * target machine.
2249 */
2250 if (promiscuous_on) {
2251 ret = rte_eth_promiscuous_enable(portid);
2252 if (ret != 0)
2253 rte_exit(EXIT_FAILURE,
2254 "rte_eth_promiscuous_enable: err=%s, port=%u\n",
2255 rte_strerror(-ret), portid);
2256 }
2257 }
2258
2259 check_all_ports_link_status(enabled_port_mask);
2260
2261 /* launch per-lcore init on every lcore */
2262 rte_eal_mp_remote_launch(main_loop, NULL, CALL_MAIN);
2263 RTE_LCORE_FOREACH_WORKER(lcore_id) {
2264 if (rte_eal_wait_lcore(lcore_id) < 0)
2265 return -1;
2266 }
2267
2268 /* clean up the EAL */
2269 rte_eal_cleanup();
2270
2271 return 0;
2272 }
2273