xref: /dpdk/examples/l3fwd-acl/main.c (revision 4e2cf9af)
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_atomic.h>
24 #include <rte_cycles.h>
25 #include <rte_prefetch.h>
26 #include <rte_lcore.h>
27 #include <rte_per_lcore.h>
28 #include <rte_branch_prediction.h>
29 #include <rte_interrupts.h>
30 #include <rte_random.h>
31 #include <rte_debug.h>
32 #include <rte_ether.h>
33 #include <rte_ethdev.h>
34 #include <rte_mempool.h>
35 #include <rte_mbuf.h>
36 #include <rte_ip.h>
37 #include <rte_tcp.h>
38 #include <rte_udp.h>
39 #include <rte_string_fns.h>
40 #include <rte_acl.h>
41 
42 #if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
43 #define L3FWDACL_DEBUG
44 #endif
45 #define DO_RFC_1812_CHECKS
46 
47 #define RTE_LOGTYPE_L3FWD RTE_LOGTYPE_USER1
48 
49 #define MAX_JUMBO_PKT_LEN  9600
50 
51 #define MEMPOOL_CACHE_SIZE 256
52 
53 /*
54  * This expression is used to calculate the number of mbufs needed
55  * depending on user input, taking into account memory for rx and tx hardware
56  * rings, cache per lcore and mtable per port per lcore.
57  * RTE_MAX is used to ensure that NB_MBUF never goes below a
58  * minimum value of 8192
59  */
60 
61 #define NB_MBUF	RTE_MAX(\
62 	(nb_ports * nb_rx_queue * nb_rxd +	\
63 	nb_ports * nb_lcores * MAX_PKT_BURST +	\
64 	nb_ports * n_tx_queue * nb_txd +	\
65 	nb_lcores * MEMPOOL_CACHE_SIZE),	\
66 	(unsigned)8192)
67 
68 #define MAX_PKT_BURST 32
69 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
70 
71 #define NB_SOCKETS 8
72 
73 /* Configure how many packets ahead to prefetch, when reading packets */
74 #define PREFETCH_OFFSET	3
75 
76 /*
77  * Configurable number of RX/TX ring descriptors
78  */
79 #define RTE_TEST_RX_DESC_DEFAULT 1024
80 #define RTE_TEST_TX_DESC_DEFAULT 1024
81 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
82 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
83 
84 /* ethernet addresses of ports */
85 static struct rte_ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
86 
87 /* mask of enabled ports */
88 static uint32_t enabled_port_mask;
89 static int promiscuous_on; /**< Ports set in promiscuous mode off by default. */
90 static int numa_on = 1; /**< NUMA is enabled by default. */
91 
92 struct lcore_rx_queue {
93 	uint16_t port_id;
94 	uint8_t queue_id;
95 } __rte_cache_aligned;
96 
97 #define MAX_RX_QUEUE_PER_LCORE 16
98 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
99 #define MAX_RX_QUEUE_PER_PORT 128
100 
101 #define MAX_LCORE_PARAMS 1024
102 struct lcore_params {
103 	uint16_t port_id;
104 	uint8_t queue_id;
105 	uint8_t lcore_id;
106 } __rte_cache_aligned;
107 
108 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
109 static struct lcore_params lcore_params_array_default[] = {
110 	{0, 0, 2},
111 	{0, 1, 2},
112 	{0, 2, 2},
113 	{1, 0, 2},
114 	{1, 1, 2},
115 	{1, 2, 2},
116 	{2, 0, 2},
117 	{3, 0, 3},
118 	{3, 1, 3},
119 };
120 
121 static struct lcore_params *lcore_params = lcore_params_array_default;
122 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
123 				sizeof(lcore_params_array_default[0]);
124 
125 static struct rte_eth_conf port_conf = {
126 	.rxmode = {
127 		.mq_mode	= ETH_MQ_RX_RSS,
128 		.max_rx_pkt_len = RTE_ETHER_MAX_LEN,
129 		.split_hdr_size = 0,
130 		.offloads = DEV_RX_OFFLOAD_CHECKSUM,
131 	},
132 	.rx_adv_conf = {
133 		.rss_conf = {
134 			.rss_key = NULL,
135 			.rss_hf = ETH_RSS_IP | ETH_RSS_UDP |
136 				ETH_RSS_TCP | ETH_RSS_SCTP,
137 		},
138 	},
139 	.txmode = {
140 		.mq_mode = ETH_MQ_TX_NONE,
141 	},
142 };
143 
144 static struct rte_mempool *pktmbuf_pool[NB_SOCKETS];
145 
146 /***********************start of ACL part******************************/
147 #ifdef DO_RFC_1812_CHECKS
148 static inline int
149 is_valid_ipv4_pkt(struct rte_ipv4_hdr *pkt, uint32_t link_len);
150 #endif
151 static inline void
152 send_single_packet(struct rte_mbuf *m, uint16_t port);
153 
154 #define MAX_ACL_RULE_NUM	100000
155 #define DEFAULT_MAX_CATEGORIES	1
156 #define L3FWD_ACL_IPV4_NAME	"l3fwd-acl-ipv4"
157 #define L3FWD_ACL_IPV6_NAME	"l3fwd-acl-ipv6"
158 #define ACL_LEAD_CHAR		('@')
159 #define ROUTE_LEAD_CHAR		('R')
160 #define COMMENT_LEAD_CHAR	('#')
161 #define OPTION_CONFIG		"config"
162 #define OPTION_NONUMA		"no-numa"
163 #define OPTION_ENBJMO		"enable-jumbo"
164 #define OPTION_RULE_IPV4	"rule_ipv4"
165 #define OPTION_RULE_IPV6	"rule_ipv6"
166 #define OPTION_SCALAR		"scalar"
167 #define ACL_DENY_SIGNATURE	0xf0000000
168 #define RTE_LOGTYPE_L3FWDACL	RTE_LOGTYPE_USER3
169 #define acl_log(format, ...)	RTE_LOG(ERR, L3FWDACL, format, ##__VA_ARGS__)
170 #define uint32_t_to_char(ip, a, b, c, d) do {\
171 		*a = (unsigned char)(ip >> 24 & 0xff);\
172 		*b = (unsigned char)(ip >> 16 & 0xff);\
173 		*c = (unsigned char)(ip >> 8 & 0xff);\
174 		*d = (unsigned char)(ip & 0xff);\
175 	} while (0)
176 #define OFF_ETHHEAD	(sizeof(struct rte_ether_hdr))
177 #define OFF_IPV42PROTO (offsetof(struct rte_ipv4_hdr, next_proto_id))
178 #define OFF_IPV62PROTO (offsetof(struct rte_ipv6_hdr, proto))
179 #define MBUF_IPV4_2PROTO(m)	\
180 	rte_pktmbuf_mtod_offset((m), uint8_t *, OFF_ETHHEAD + OFF_IPV42PROTO)
181 #define MBUF_IPV6_2PROTO(m)	\
182 	rte_pktmbuf_mtod_offset((m), uint8_t *, OFF_ETHHEAD + OFF_IPV62PROTO)
183 
184 #define GET_CB_FIELD(in, fd, base, lim, dlm)	do {            \
185 	unsigned long val;                                      \
186 	char *end;                                              \
187 	errno = 0;                                              \
188 	val = strtoul((in), &end, (base));                      \
189 	if (errno != 0 || end[0] != (dlm) || val > (lim))       \
190 		return -EINVAL;                               \
191 	(fd) = (typeof(fd))val;                                 \
192 	(in) = end + 1;                                         \
193 } while (0)
194 
195 /*
196   * ACL rules should have higher priorities than route ones to ensure ACL rule
197   * always be found when input packets have multi-matches in the database.
198   * A exception case is performance measure, which can define route rules with
199   * higher priority and route rules will always be returned in each lookup.
200   * Reserve range from ACL_RULE_PRIORITY_MAX + 1 to
201   * RTE_ACL_MAX_PRIORITY for route entries in performance measure
202   */
203 #define ACL_RULE_PRIORITY_MAX 0x10000000
204 
205 /*
206   * Forward port info save in ACL lib starts from 1
207   * since ACL assume 0 is invalid.
208   * So, need add 1 when saving and minus 1 when forwarding packets.
209   */
210 #define FWD_PORT_SHIFT 1
211 
212 /*
213  * Rule and trace formats definitions.
214  */
215 
216 enum {
217 	PROTO_FIELD_IPV4,
218 	SRC_FIELD_IPV4,
219 	DST_FIELD_IPV4,
220 	SRCP_FIELD_IPV4,
221 	DSTP_FIELD_IPV4,
222 	NUM_FIELDS_IPV4
223 };
224 
225 /*
226  * That effectively defines order of IPV4VLAN classifications:
227  *  - PROTO
228  *  - VLAN (TAG and DOMAIN)
229  *  - SRC IP ADDRESS
230  *  - DST IP ADDRESS
231  *  - PORTS (SRC and DST)
232  */
233 enum {
234 	RTE_ACL_IPV4VLAN_PROTO,
235 	RTE_ACL_IPV4VLAN_VLAN,
236 	RTE_ACL_IPV4VLAN_SRC,
237 	RTE_ACL_IPV4VLAN_DST,
238 	RTE_ACL_IPV4VLAN_PORTS,
239 	RTE_ACL_IPV4VLAN_NUM
240 };
241 
242 struct rte_acl_field_def ipv4_defs[NUM_FIELDS_IPV4] = {
243 	{
244 		.type = RTE_ACL_FIELD_TYPE_BITMASK,
245 		.size = sizeof(uint8_t),
246 		.field_index = PROTO_FIELD_IPV4,
247 		.input_index = RTE_ACL_IPV4VLAN_PROTO,
248 		.offset = 0,
249 	},
250 	{
251 		.type = RTE_ACL_FIELD_TYPE_MASK,
252 		.size = sizeof(uint32_t),
253 		.field_index = SRC_FIELD_IPV4,
254 		.input_index = RTE_ACL_IPV4VLAN_SRC,
255 		.offset = offsetof(struct rte_ipv4_hdr, src_addr) -
256 			offsetof(struct rte_ipv4_hdr, next_proto_id),
257 	},
258 	{
259 		.type = RTE_ACL_FIELD_TYPE_MASK,
260 		.size = sizeof(uint32_t),
261 		.field_index = DST_FIELD_IPV4,
262 		.input_index = RTE_ACL_IPV4VLAN_DST,
263 		.offset = offsetof(struct rte_ipv4_hdr, dst_addr) -
264 			offsetof(struct rte_ipv4_hdr, next_proto_id),
265 	},
266 	{
267 		.type = RTE_ACL_FIELD_TYPE_RANGE,
268 		.size = sizeof(uint16_t),
269 		.field_index = SRCP_FIELD_IPV4,
270 		.input_index = RTE_ACL_IPV4VLAN_PORTS,
271 		.offset = sizeof(struct rte_ipv4_hdr) -
272 			offsetof(struct rte_ipv4_hdr, next_proto_id),
273 	},
274 	{
275 		.type = RTE_ACL_FIELD_TYPE_RANGE,
276 		.size = sizeof(uint16_t),
277 		.field_index = DSTP_FIELD_IPV4,
278 		.input_index = RTE_ACL_IPV4VLAN_PORTS,
279 		.offset = sizeof(struct rte_ipv4_hdr) -
280 			offsetof(struct rte_ipv4_hdr, next_proto_id) +
281 			sizeof(uint16_t),
282 	},
283 };
284 
285 #define	IPV6_ADDR_LEN	16
286 #define	IPV6_ADDR_U16	(IPV6_ADDR_LEN / sizeof(uint16_t))
287 #define	IPV6_ADDR_U32	(IPV6_ADDR_LEN / sizeof(uint32_t))
288 
289 enum {
290 	PROTO_FIELD_IPV6,
291 	SRC1_FIELD_IPV6,
292 	SRC2_FIELD_IPV6,
293 	SRC3_FIELD_IPV6,
294 	SRC4_FIELD_IPV6,
295 	DST1_FIELD_IPV6,
296 	DST2_FIELD_IPV6,
297 	DST3_FIELD_IPV6,
298 	DST4_FIELD_IPV6,
299 	SRCP_FIELD_IPV6,
300 	DSTP_FIELD_IPV6,
301 	NUM_FIELDS_IPV6
302 };
303 
304 struct rte_acl_field_def ipv6_defs[NUM_FIELDS_IPV6] = {
305 	{
306 		.type = RTE_ACL_FIELD_TYPE_BITMASK,
307 		.size = sizeof(uint8_t),
308 		.field_index = PROTO_FIELD_IPV6,
309 		.input_index = PROTO_FIELD_IPV6,
310 		.offset = 0,
311 	},
312 	{
313 		.type = RTE_ACL_FIELD_TYPE_MASK,
314 		.size = sizeof(uint32_t),
315 		.field_index = SRC1_FIELD_IPV6,
316 		.input_index = SRC1_FIELD_IPV6,
317 		.offset = offsetof(struct rte_ipv6_hdr, src_addr) -
318 			offsetof(struct rte_ipv6_hdr, proto),
319 	},
320 	{
321 		.type = RTE_ACL_FIELD_TYPE_MASK,
322 		.size = sizeof(uint32_t),
323 		.field_index = SRC2_FIELD_IPV6,
324 		.input_index = SRC2_FIELD_IPV6,
325 		.offset = offsetof(struct rte_ipv6_hdr, src_addr) -
326 			offsetof(struct rte_ipv6_hdr, proto) + sizeof(uint32_t),
327 	},
328 	{
329 		.type = RTE_ACL_FIELD_TYPE_MASK,
330 		.size = sizeof(uint32_t),
331 		.field_index = SRC3_FIELD_IPV6,
332 		.input_index = SRC3_FIELD_IPV6,
333 		.offset = offsetof(struct rte_ipv6_hdr, src_addr) -
334 			offsetof(struct rte_ipv6_hdr, proto) +
335 			2 * sizeof(uint32_t),
336 	},
337 	{
338 		.type = RTE_ACL_FIELD_TYPE_MASK,
339 		.size = sizeof(uint32_t),
340 		.field_index = SRC4_FIELD_IPV6,
341 		.input_index = SRC4_FIELD_IPV6,
342 		.offset = offsetof(struct rte_ipv6_hdr, src_addr) -
343 			offsetof(struct rte_ipv6_hdr, proto) +
344 			3 * sizeof(uint32_t),
345 	},
346 	{
347 		.type = RTE_ACL_FIELD_TYPE_MASK,
348 		.size = sizeof(uint32_t),
349 		.field_index = DST1_FIELD_IPV6,
350 		.input_index = DST1_FIELD_IPV6,
351 		.offset = offsetof(struct rte_ipv6_hdr, dst_addr)
352 				- offsetof(struct rte_ipv6_hdr, proto),
353 	},
354 	{
355 		.type = RTE_ACL_FIELD_TYPE_MASK,
356 		.size = sizeof(uint32_t),
357 		.field_index = DST2_FIELD_IPV6,
358 		.input_index = DST2_FIELD_IPV6,
359 		.offset = offsetof(struct rte_ipv6_hdr, dst_addr) -
360 			offsetof(struct rte_ipv6_hdr, proto) + sizeof(uint32_t),
361 	},
362 	{
363 		.type = RTE_ACL_FIELD_TYPE_MASK,
364 		.size = sizeof(uint32_t),
365 		.field_index = DST3_FIELD_IPV6,
366 		.input_index = DST3_FIELD_IPV6,
367 		.offset = offsetof(struct rte_ipv6_hdr, dst_addr) -
368 			offsetof(struct rte_ipv6_hdr, proto) +
369 			2 * sizeof(uint32_t),
370 	},
371 	{
372 		.type = RTE_ACL_FIELD_TYPE_MASK,
373 		.size = sizeof(uint32_t),
374 		.field_index = DST4_FIELD_IPV6,
375 		.input_index = DST4_FIELD_IPV6,
376 		.offset = offsetof(struct rte_ipv6_hdr, dst_addr) -
377 			offsetof(struct rte_ipv6_hdr, proto) +
378 			3 * sizeof(uint32_t),
379 	},
380 	{
381 		.type = RTE_ACL_FIELD_TYPE_RANGE,
382 		.size = sizeof(uint16_t),
383 		.field_index = SRCP_FIELD_IPV6,
384 		.input_index = SRCP_FIELD_IPV6,
385 		.offset = sizeof(struct rte_ipv6_hdr) -
386 			offsetof(struct rte_ipv6_hdr, proto),
387 	},
388 	{
389 		.type = RTE_ACL_FIELD_TYPE_RANGE,
390 		.size = sizeof(uint16_t),
391 		.field_index = DSTP_FIELD_IPV6,
392 		.input_index = SRCP_FIELD_IPV6,
393 		.offset = sizeof(struct rte_ipv6_hdr) -
394 			offsetof(struct rte_ipv6_hdr, proto) + sizeof(uint16_t),
395 	},
396 };
397 
398 enum {
399 	CB_FLD_SRC_ADDR,
400 	CB_FLD_DST_ADDR,
401 	CB_FLD_SRC_PORT_LOW,
402 	CB_FLD_SRC_PORT_DLM,
403 	CB_FLD_SRC_PORT_HIGH,
404 	CB_FLD_DST_PORT_LOW,
405 	CB_FLD_DST_PORT_DLM,
406 	CB_FLD_DST_PORT_HIGH,
407 	CB_FLD_PROTO,
408 	CB_FLD_USERDATA,
409 	CB_FLD_NUM,
410 };
411 
412 RTE_ACL_RULE_DEF(acl4_rule, RTE_DIM(ipv4_defs));
413 RTE_ACL_RULE_DEF(acl6_rule, RTE_DIM(ipv6_defs));
414 
415 struct acl_search_t {
416 	const uint8_t *data_ipv4[MAX_PKT_BURST];
417 	struct rte_mbuf *m_ipv4[MAX_PKT_BURST];
418 	uint32_t res_ipv4[MAX_PKT_BURST];
419 	int num_ipv4;
420 
421 	const uint8_t *data_ipv6[MAX_PKT_BURST];
422 	struct rte_mbuf *m_ipv6[MAX_PKT_BURST];
423 	uint32_t res_ipv6[MAX_PKT_BURST];
424 	int num_ipv6;
425 };
426 
427 static struct {
428 	char mapped[NB_SOCKETS];
429 	struct rte_acl_ctx *acx_ipv4[NB_SOCKETS];
430 	struct rte_acl_ctx *acx_ipv6[NB_SOCKETS];
431 #ifdef L3FWDACL_DEBUG
432 	struct acl4_rule *rule_ipv4;
433 	struct acl6_rule *rule_ipv6;
434 #endif
435 } acl_config;
436 
437 static struct{
438 	const char *rule_ipv4_name;
439 	const char *rule_ipv6_name;
440 	int scalar;
441 } parm_config;
442 
443 const char cb_port_delim[] = ":";
444 
445 static inline void
446 print_one_ipv4_rule(struct acl4_rule *rule, int extra)
447 {
448 	unsigned char a, b, c, d;
449 
450 	uint32_t_to_char(rule->field[SRC_FIELD_IPV4].value.u32,
451 			&a, &b, &c, &d);
452 	printf("%hhu.%hhu.%hhu.%hhu/%u ", a, b, c, d,
453 			rule->field[SRC_FIELD_IPV4].mask_range.u32);
454 	uint32_t_to_char(rule->field[DST_FIELD_IPV4].value.u32,
455 			&a, &b, &c, &d);
456 	printf("%hhu.%hhu.%hhu.%hhu/%u ", a, b, c, d,
457 			rule->field[DST_FIELD_IPV4].mask_range.u32);
458 	printf("%hu : %hu %hu : %hu 0x%hhx/0x%hhx ",
459 		rule->field[SRCP_FIELD_IPV4].value.u16,
460 		rule->field[SRCP_FIELD_IPV4].mask_range.u16,
461 		rule->field[DSTP_FIELD_IPV4].value.u16,
462 		rule->field[DSTP_FIELD_IPV4].mask_range.u16,
463 		rule->field[PROTO_FIELD_IPV4].value.u8,
464 		rule->field[PROTO_FIELD_IPV4].mask_range.u8);
465 	if (extra)
466 		printf("0x%x-0x%x-0x%x ",
467 			rule->data.category_mask,
468 			rule->data.priority,
469 			rule->data.userdata);
470 }
471 
472 static inline void
473 print_one_ipv6_rule(struct acl6_rule *rule, int extra)
474 {
475 	unsigned char a, b, c, d;
476 
477 	uint32_t_to_char(rule->field[SRC1_FIELD_IPV6].value.u32,
478 		&a, &b, &c, &d);
479 	printf("%.2x%.2x:%.2x%.2x", a, b, c, d);
480 	uint32_t_to_char(rule->field[SRC2_FIELD_IPV6].value.u32,
481 		&a, &b, &c, &d);
482 	printf(":%.2x%.2x:%.2x%.2x", a, b, c, d);
483 	uint32_t_to_char(rule->field[SRC3_FIELD_IPV6].value.u32,
484 		&a, &b, &c, &d);
485 	printf(":%.2x%.2x:%.2x%.2x", a, b, c, d);
486 	uint32_t_to_char(rule->field[SRC4_FIELD_IPV6].value.u32,
487 		&a, &b, &c, &d);
488 	printf(":%.2x%.2x:%.2x%.2x/%u ", a, b, c, d,
489 			rule->field[SRC1_FIELD_IPV6].mask_range.u32
490 			+ rule->field[SRC2_FIELD_IPV6].mask_range.u32
491 			+ rule->field[SRC3_FIELD_IPV6].mask_range.u32
492 			+ rule->field[SRC4_FIELD_IPV6].mask_range.u32);
493 
494 	uint32_t_to_char(rule->field[DST1_FIELD_IPV6].value.u32,
495 		&a, &b, &c, &d);
496 	printf("%.2x%.2x:%.2x%.2x", a, b, c, d);
497 	uint32_t_to_char(rule->field[DST2_FIELD_IPV6].value.u32,
498 		&a, &b, &c, &d);
499 	printf(":%.2x%.2x:%.2x%.2x", a, b, c, d);
500 	uint32_t_to_char(rule->field[DST3_FIELD_IPV6].value.u32,
501 		&a, &b, &c, &d);
502 	printf(":%.2x%.2x:%.2x%.2x", a, b, c, d);
503 	uint32_t_to_char(rule->field[DST4_FIELD_IPV6].value.u32,
504 		&a, &b, &c, &d);
505 	printf(":%.2x%.2x:%.2x%.2x/%u ", a, b, c, d,
506 			rule->field[DST1_FIELD_IPV6].mask_range.u32
507 			+ rule->field[DST2_FIELD_IPV6].mask_range.u32
508 			+ rule->field[DST3_FIELD_IPV6].mask_range.u32
509 			+ rule->field[DST4_FIELD_IPV6].mask_range.u32);
510 
511 	printf("%hu : %hu %hu : %hu 0x%hhx/0x%hhx ",
512 		rule->field[SRCP_FIELD_IPV6].value.u16,
513 		rule->field[SRCP_FIELD_IPV6].mask_range.u16,
514 		rule->field[DSTP_FIELD_IPV6].value.u16,
515 		rule->field[DSTP_FIELD_IPV6].mask_range.u16,
516 		rule->field[PROTO_FIELD_IPV6].value.u8,
517 		rule->field[PROTO_FIELD_IPV6].mask_range.u8);
518 	if (extra)
519 		printf("0x%x-0x%x-0x%x ",
520 			rule->data.category_mask,
521 			rule->data.priority,
522 			rule->data.userdata);
523 }
524 
525 /* Bypass comment and empty lines */
526 static inline int
527 is_bypass_line(char *buff)
528 {
529 	int i = 0;
530 
531 	/* comment line */
532 	if (buff[0] == COMMENT_LEAD_CHAR)
533 		return 1;
534 	/* empty line */
535 	while (buff[i] != '\0') {
536 		if (!isspace(buff[i]))
537 			return 0;
538 		i++;
539 	}
540 	return 1;
541 }
542 
543 #ifdef L3FWDACL_DEBUG
544 static inline void
545 dump_acl4_rule(struct rte_mbuf *m, uint32_t sig)
546 {
547 	uint32_t offset = sig & ~ACL_DENY_SIGNATURE;
548 	unsigned char a, b, c, d;
549 	struct rte_ipv4_hdr *ipv4_hdr =
550 		rte_pktmbuf_mtod_offset(m, struct rte_ipv4_hdr *,
551 					sizeof(struct rte_ether_hdr));
552 
553 	uint32_t_to_char(rte_bswap32(ipv4_hdr->src_addr), &a, &b, &c, &d);
554 	printf("Packet Src:%hhu.%hhu.%hhu.%hhu ", a, b, c, d);
555 	uint32_t_to_char(rte_bswap32(ipv4_hdr->dst_addr), &a, &b, &c, &d);
556 	printf("Dst:%hhu.%hhu.%hhu.%hhu ", a, b, c, d);
557 
558 	printf("Src port:%hu,Dst port:%hu ",
559 			rte_bswap16(*(uint16_t *)(ipv4_hdr + 1)),
560 			rte_bswap16(*((uint16_t *)(ipv4_hdr + 1) + 1)));
561 	printf("hit ACL %d - ", offset);
562 
563 	print_one_ipv4_rule(acl_config.rule_ipv4 + offset, 1);
564 
565 	printf("\n\n");
566 }
567 
568 static inline void
569 dump_acl6_rule(struct rte_mbuf *m, uint32_t sig)
570 {
571 	unsigned i;
572 	uint32_t offset = sig & ~ACL_DENY_SIGNATURE;
573 	struct rte_ipv6_hdr *ipv6_hdr =
574 		rte_pktmbuf_mtod_offset(m, struct rte_ipv6_hdr *,
575 					sizeof(struct rte_ether_hdr));
576 
577 	printf("Packet Src");
578 	for (i = 0; i < RTE_DIM(ipv6_hdr->src_addr); i += sizeof(uint16_t))
579 		printf(":%.2x%.2x",
580 			ipv6_hdr->src_addr[i], ipv6_hdr->src_addr[i + 1]);
581 
582 	printf("\nDst");
583 	for (i = 0; i < RTE_DIM(ipv6_hdr->dst_addr); i += sizeof(uint16_t))
584 		printf(":%.2x%.2x",
585 			ipv6_hdr->dst_addr[i], ipv6_hdr->dst_addr[i + 1]);
586 
587 	printf("\nSrc port:%hu,Dst port:%hu ",
588 			rte_bswap16(*(uint16_t *)(ipv6_hdr + 1)),
589 			rte_bswap16(*((uint16_t *)(ipv6_hdr + 1) + 1)));
590 	printf("hit ACL %d - ", offset);
591 
592 	print_one_ipv6_rule(acl_config.rule_ipv6 + offset, 1);
593 
594 	printf("\n\n");
595 }
596 #endif /* L3FWDACL_DEBUG */
597 
598 static inline void
599 dump_ipv4_rules(struct acl4_rule *rule, int num, int extra)
600 {
601 	int i;
602 
603 	for (i = 0; i < num; i++, rule++) {
604 		printf("\t%d:", i + 1);
605 		print_one_ipv4_rule(rule, extra);
606 		printf("\n");
607 	}
608 }
609 
610 static inline void
611 dump_ipv6_rules(struct acl6_rule *rule, int num, int extra)
612 {
613 	int i;
614 
615 	for (i = 0; i < num; i++, rule++) {
616 		printf("\t%d:", i + 1);
617 		print_one_ipv6_rule(rule, extra);
618 		printf("\n");
619 	}
620 }
621 
622 #ifdef DO_RFC_1812_CHECKS
623 static inline void
624 prepare_one_packet(struct rte_mbuf **pkts_in, struct acl_search_t *acl,
625 	int index)
626 {
627 	struct rte_ipv4_hdr *ipv4_hdr;
628 	struct rte_mbuf *pkt = pkts_in[index];
629 
630 	if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) {
631 		ipv4_hdr = rte_pktmbuf_mtod_offset(pkt, struct rte_ipv4_hdr *,
632 						sizeof(struct rte_ether_hdr));
633 
634 		/* Check to make sure the packet is valid (RFC1812) */
635 		if (is_valid_ipv4_pkt(ipv4_hdr, pkt->pkt_len) >= 0) {
636 
637 			/* Update time to live and header checksum */
638 			--(ipv4_hdr->time_to_live);
639 			++(ipv4_hdr->hdr_checksum);
640 
641 			/* Fill acl structure */
642 			acl->data_ipv4[acl->num_ipv4] = MBUF_IPV4_2PROTO(pkt);
643 			acl->m_ipv4[(acl->num_ipv4)++] = pkt;
644 
645 		} else {
646 			/* Not a valid IPv4 packet */
647 			rte_pktmbuf_free(pkt);
648 		}
649 	} else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) {
650 		/* Fill acl structure */
651 		acl->data_ipv6[acl->num_ipv6] = MBUF_IPV6_2PROTO(pkt);
652 		acl->m_ipv6[(acl->num_ipv6)++] = pkt;
653 
654 	} else {
655 		/* Unknown type, drop the packet */
656 		rte_pktmbuf_free(pkt);
657 	}
658 }
659 
660 #else
661 static inline void
662 prepare_one_packet(struct rte_mbuf **pkts_in, struct acl_search_t *acl,
663 	int index)
664 {
665 	struct rte_mbuf *pkt = pkts_in[index];
666 
667 	if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) {
668 		/* Fill acl structure */
669 		acl->data_ipv4[acl->num_ipv4] = MBUF_IPV4_2PROTO(pkt);
670 		acl->m_ipv4[(acl->num_ipv4)++] = pkt;
671 
672 	} else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) {
673 		/* Fill acl structure */
674 		acl->data_ipv6[acl->num_ipv6] = MBUF_IPV6_2PROTO(pkt);
675 		acl->m_ipv6[(acl->num_ipv6)++] = pkt;
676 	} else {
677 		/* Unknown type, drop the packet */
678 		rte_pktmbuf_free(pkt);
679 	}
680 }
681 #endif /* DO_RFC_1812_CHECKS */
682 
683 static inline void
684 prepare_acl_parameter(struct rte_mbuf **pkts_in, struct acl_search_t *acl,
685 	int nb_rx)
686 {
687 	int i;
688 
689 	acl->num_ipv4 = 0;
690 	acl->num_ipv6 = 0;
691 
692 	/* Prefetch first packets */
693 	for (i = 0; i < PREFETCH_OFFSET && i < nb_rx; i++) {
694 		rte_prefetch0(rte_pktmbuf_mtod(
695 				pkts_in[i], void *));
696 	}
697 
698 	for (i = 0; i < (nb_rx - PREFETCH_OFFSET); i++) {
699 		rte_prefetch0(rte_pktmbuf_mtod(pkts_in[
700 				i + PREFETCH_OFFSET], void *));
701 		prepare_one_packet(pkts_in, acl, i);
702 	}
703 
704 	/* Process left packets */
705 	for (; i < nb_rx; i++)
706 		prepare_one_packet(pkts_in, acl, i);
707 }
708 
709 static inline void
710 send_one_packet(struct rte_mbuf *m, uint32_t res)
711 {
712 	if (likely((res & ACL_DENY_SIGNATURE) == 0 && res != 0)) {
713 		/* forward packets */
714 		send_single_packet(m,
715 			(uint8_t)(res - FWD_PORT_SHIFT));
716 	} else{
717 		/* in the ACL list, drop it */
718 #ifdef L3FWDACL_DEBUG
719 		if ((res & ACL_DENY_SIGNATURE) != 0) {
720 			if (RTE_ETH_IS_IPV4_HDR(m->packet_type))
721 				dump_acl4_rule(m, res);
722 			else if (RTE_ETH_IS_IPV6_HDR(m->packet_type))
723 				dump_acl6_rule(m, res);
724 		}
725 #endif
726 		rte_pktmbuf_free(m);
727 	}
728 }
729 
730 
731 
732 static inline void
733 send_packets(struct rte_mbuf **m, uint32_t *res, int num)
734 {
735 	int i;
736 
737 	/* Prefetch first packets */
738 	for (i = 0; i < PREFETCH_OFFSET && i < num; i++) {
739 		rte_prefetch0(rte_pktmbuf_mtod(
740 				m[i], void *));
741 	}
742 
743 	for (i = 0; i < (num - PREFETCH_OFFSET); i++) {
744 		rte_prefetch0(rte_pktmbuf_mtod(m[
745 				i + PREFETCH_OFFSET], void *));
746 		send_one_packet(m[i], res[i]);
747 	}
748 
749 	/* Process left packets */
750 	for (; i < num; i++)
751 		send_one_packet(m[i], res[i]);
752 }
753 
754 /*
755  * Parses IPV6 address, exepcts the following format:
756  * XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX (where X - is a hexedecimal digit).
757  */
758 static int
759 parse_ipv6_addr(const char *in, const char **end, uint32_t v[IPV6_ADDR_U32],
760 	char dlm)
761 {
762 	uint32_t addr[IPV6_ADDR_U16];
763 
764 	GET_CB_FIELD(in, addr[0], 16, UINT16_MAX, ':');
765 	GET_CB_FIELD(in, addr[1], 16, UINT16_MAX, ':');
766 	GET_CB_FIELD(in, addr[2], 16, UINT16_MAX, ':');
767 	GET_CB_FIELD(in, addr[3], 16, UINT16_MAX, ':');
768 	GET_CB_FIELD(in, addr[4], 16, UINT16_MAX, ':');
769 	GET_CB_FIELD(in, addr[5], 16, UINT16_MAX, ':');
770 	GET_CB_FIELD(in, addr[6], 16, UINT16_MAX, ':');
771 	GET_CB_FIELD(in, addr[7], 16, UINT16_MAX, dlm);
772 
773 	*end = in;
774 
775 	v[0] = (addr[0] << 16) + addr[1];
776 	v[1] = (addr[2] << 16) + addr[3];
777 	v[2] = (addr[4] << 16) + addr[5];
778 	v[3] = (addr[6] << 16) + addr[7];
779 
780 	return 0;
781 }
782 
783 static int
784 parse_ipv6_net(const char *in, struct rte_acl_field field[4])
785 {
786 	int32_t rc;
787 	const char *mp;
788 	uint32_t i, m, v[4];
789 	const uint32_t nbu32 = sizeof(uint32_t) * CHAR_BIT;
790 
791 	/* get address. */
792 	rc = parse_ipv6_addr(in, &mp, v, '/');
793 	if (rc != 0)
794 		return rc;
795 
796 	/* get mask. */
797 	GET_CB_FIELD(mp, m, 0, CHAR_BIT * sizeof(v), 0);
798 
799 	/* put all together. */
800 	for (i = 0; i != RTE_DIM(v); i++) {
801 		if (m >= (i + 1) * nbu32)
802 			field[i].mask_range.u32 = nbu32;
803 		else
804 			field[i].mask_range.u32 = m > (i * nbu32) ?
805 				m - (i * 32) : 0;
806 
807 		field[i].value.u32 = v[i];
808 	}
809 
810 	return 0;
811 }
812 
813 static int
814 parse_cb_ipv6_rule(char *str, struct rte_acl_rule *v, int has_userdata)
815 {
816 	int i, rc;
817 	char *s, *sp, *in[CB_FLD_NUM];
818 	static const char *dlm = " \t\n";
819 	int dim = has_userdata ? CB_FLD_NUM : CB_FLD_USERDATA;
820 	s = str;
821 
822 	for (i = 0; i != dim; i++, s = NULL) {
823 		in[i] = strtok_r(s, dlm, &sp);
824 		if (in[i] == NULL)
825 			return -EINVAL;
826 	}
827 
828 	rc = parse_ipv6_net(in[CB_FLD_SRC_ADDR], v->field + SRC1_FIELD_IPV6);
829 	if (rc != 0) {
830 		acl_log("failed to read source address/mask: %s\n",
831 			in[CB_FLD_SRC_ADDR]);
832 		return rc;
833 	}
834 
835 	rc = parse_ipv6_net(in[CB_FLD_DST_ADDR], v->field + DST1_FIELD_IPV6);
836 	if (rc != 0) {
837 		acl_log("failed to read destination address/mask: %s\n",
838 			in[CB_FLD_DST_ADDR]);
839 		return rc;
840 	}
841 
842 	/* source port. */
843 	GET_CB_FIELD(in[CB_FLD_SRC_PORT_LOW],
844 		v->field[SRCP_FIELD_IPV6].value.u16,
845 		0, UINT16_MAX, 0);
846 	GET_CB_FIELD(in[CB_FLD_SRC_PORT_HIGH],
847 		v->field[SRCP_FIELD_IPV6].mask_range.u16,
848 		0, UINT16_MAX, 0);
849 
850 	if (strncmp(in[CB_FLD_SRC_PORT_DLM], cb_port_delim,
851 			sizeof(cb_port_delim)) != 0)
852 		return -EINVAL;
853 
854 	/* destination port. */
855 	GET_CB_FIELD(in[CB_FLD_DST_PORT_LOW],
856 		v->field[DSTP_FIELD_IPV6].value.u16,
857 		0, UINT16_MAX, 0);
858 	GET_CB_FIELD(in[CB_FLD_DST_PORT_HIGH],
859 		v->field[DSTP_FIELD_IPV6].mask_range.u16,
860 		0, UINT16_MAX, 0);
861 
862 	if (strncmp(in[CB_FLD_DST_PORT_DLM], cb_port_delim,
863 			sizeof(cb_port_delim)) != 0)
864 		return -EINVAL;
865 
866 	if (v->field[SRCP_FIELD_IPV6].mask_range.u16
867 			< v->field[SRCP_FIELD_IPV6].value.u16
868 			|| v->field[DSTP_FIELD_IPV6].mask_range.u16
869 			< v->field[DSTP_FIELD_IPV6].value.u16)
870 		return -EINVAL;
871 
872 	GET_CB_FIELD(in[CB_FLD_PROTO], v->field[PROTO_FIELD_IPV6].value.u8,
873 		0, UINT8_MAX, '/');
874 	GET_CB_FIELD(in[CB_FLD_PROTO], v->field[PROTO_FIELD_IPV6].mask_range.u8,
875 		0, UINT8_MAX, 0);
876 
877 	if (has_userdata)
878 		GET_CB_FIELD(in[CB_FLD_USERDATA], v->data.userdata,
879 			0, UINT32_MAX, 0);
880 
881 	return 0;
882 }
883 
884 /*
885  * Parse ClassBench rules file.
886  * Expected format:
887  * '@'<src_ipv4_addr>'/'<masklen> <space> \
888  * <dst_ipv4_addr>'/'<masklen> <space> \
889  * <src_port_low> <space> ":" <src_port_high> <space> \
890  * <dst_port_low> <space> ":" <dst_port_high> <space> \
891  * <proto>'/'<mask>
892  */
893 static int
894 parse_ipv4_net(const char *in, uint32_t *addr, uint32_t *mask_len)
895 {
896 	uint8_t a, b, c, d, m;
897 
898 	GET_CB_FIELD(in, a, 0, UINT8_MAX, '.');
899 	GET_CB_FIELD(in, b, 0, UINT8_MAX, '.');
900 	GET_CB_FIELD(in, c, 0, UINT8_MAX, '.');
901 	GET_CB_FIELD(in, d, 0, UINT8_MAX, '/');
902 	GET_CB_FIELD(in, m, 0, sizeof(uint32_t) * CHAR_BIT, 0);
903 
904 	addr[0] = RTE_IPV4(a, b, c, d);
905 	mask_len[0] = m;
906 
907 	return 0;
908 }
909 
910 static int
911 parse_cb_ipv4vlan_rule(char *str, struct rte_acl_rule *v, int has_userdata)
912 {
913 	int i, rc;
914 	char *s, *sp, *in[CB_FLD_NUM];
915 	static const char *dlm = " \t\n";
916 	int dim = has_userdata ? CB_FLD_NUM : CB_FLD_USERDATA;
917 	s = str;
918 
919 	for (i = 0; i != dim; i++, s = NULL) {
920 		in[i] = strtok_r(s, dlm, &sp);
921 		if (in[i] == NULL)
922 			return -EINVAL;
923 	}
924 
925 	rc = parse_ipv4_net(in[CB_FLD_SRC_ADDR],
926 			&v->field[SRC_FIELD_IPV4].value.u32,
927 			&v->field[SRC_FIELD_IPV4].mask_range.u32);
928 	if (rc != 0) {
929 			acl_log("failed to read source address/mask: %s\n",
930 			in[CB_FLD_SRC_ADDR]);
931 		return rc;
932 	}
933 
934 	rc = parse_ipv4_net(in[CB_FLD_DST_ADDR],
935 			&v->field[DST_FIELD_IPV4].value.u32,
936 			&v->field[DST_FIELD_IPV4].mask_range.u32);
937 	if (rc != 0) {
938 		acl_log("failed to read destination address/mask: %s\n",
939 			in[CB_FLD_DST_ADDR]);
940 		return rc;
941 	}
942 
943 	GET_CB_FIELD(in[CB_FLD_SRC_PORT_LOW],
944 		v->field[SRCP_FIELD_IPV4].value.u16,
945 		0, UINT16_MAX, 0);
946 	GET_CB_FIELD(in[CB_FLD_SRC_PORT_HIGH],
947 		v->field[SRCP_FIELD_IPV4].mask_range.u16,
948 		0, UINT16_MAX, 0);
949 
950 	if (strncmp(in[CB_FLD_SRC_PORT_DLM], cb_port_delim,
951 			sizeof(cb_port_delim)) != 0)
952 		return -EINVAL;
953 
954 	GET_CB_FIELD(in[CB_FLD_DST_PORT_LOW],
955 		v->field[DSTP_FIELD_IPV4].value.u16,
956 		0, UINT16_MAX, 0);
957 	GET_CB_FIELD(in[CB_FLD_DST_PORT_HIGH],
958 		v->field[DSTP_FIELD_IPV4].mask_range.u16,
959 		0, UINT16_MAX, 0);
960 
961 	if (strncmp(in[CB_FLD_DST_PORT_DLM], cb_port_delim,
962 			sizeof(cb_port_delim)) != 0)
963 		return -EINVAL;
964 
965 	if (v->field[SRCP_FIELD_IPV4].mask_range.u16
966 			< v->field[SRCP_FIELD_IPV4].value.u16
967 			|| v->field[DSTP_FIELD_IPV4].mask_range.u16
968 			< v->field[DSTP_FIELD_IPV4].value.u16)
969 		return -EINVAL;
970 
971 	GET_CB_FIELD(in[CB_FLD_PROTO], v->field[PROTO_FIELD_IPV4].value.u8,
972 		0, UINT8_MAX, '/');
973 	GET_CB_FIELD(in[CB_FLD_PROTO], v->field[PROTO_FIELD_IPV4].mask_range.u8,
974 		0, UINT8_MAX, 0);
975 
976 	if (has_userdata)
977 		GET_CB_FIELD(in[CB_FLD_USERDATA], v->data.userdata, 0,
978 			UINT32_MAX, 0);
979 
980 	return 0;
981 }
982 
983 static int
984 add_rules(const char *rule_path,
985 		struct rte_acl_rule **proute_base,
986 		unsigned int *proute_num,
987 		struct rte_acl_rule **pacl_base,
988 		unsigned int *pacl_num, uint32_t rule_size,
989 		int (*parser)(char *, struct rte_acl_rule*, int))
990 {
991 	uint8_t *acl_rules, *route_rules;
992 	struct rte_acl_rule *next;
993 	unsigned int acl_num = 0, route_num = 0, total_num = 0;
994 	unsigned int acl_cnt = 0, route_cnt = 0;
995 	char buff[LINE_MAX];
996 	FILE *fh = fopen(rule_path, "rb");
997 	unsigned int i = 0;
998 	int val;
999 
1000 	if (fh == NULL)
1001 		rte_exit(EXIT_FAILURE, "%s: Open %s failed\n", __func__,
1002 			rule_path);
1003 
1004 	while ((fgets(buff, LINE_MAX, fh) != NULL)) {
1005 		if (buff[0] == ROUTE_LEAD_CHAR)
1006 			route_num++;
1007 		else if (buff[0] == ACL_LEAD_CHAR)
1008 			acl_num++;
1009 	}
1010 
1011 	if (0 == route_num)
1012 		rte_exit(EXIT_FAILURE, "Not find any route entries in %s!\n",
1013 				rule_path);
1014 
1015 	val = fseek(fh, 0, SEEK_SET);
1016 	if (val < 0) {
1017 		rte_exit(EXIT_FAILURE, "%s: File seek operation failed\n",
1018 			__func__);
1019 	}
1020 
1021 	acl_rules = calloc(acl_num, rule_size);
1022 
1023 	if (NULL == acl_rules)
1024 		rte_exit(EXIT_FAILURE, "%s: failed to malloc memory\n",
1025 			__func__);
1026 
1027 	route_rules = calloc(route_num, rule_size);
1028 
1029 	if (NULL == route_rules)
1030 		rte_exit(EXIT_FAILURE, "%s: failed to malloc memory\n",
1031 			__func__);
1032 
1033 	i = 0;
1034 	while (fgets(buff, LINE_MAX, fh) != NULL) {
1035 		i++;
1036 
1037 		if (is_bypass_line(buff))
1038 			continue;
1039 
1040 		char s = buff[0];
1041 
1042 		/* Route entry */
1043 		if (s == ROUTE_LEAD_CHAR)
1044 			next = (struct rte_acl_rule *)(route_rules +
1045 				route_cnt * rule_size);
1046 
1047 		/* ACL entry */
1048 		else if (s == ACL_LEAD_CHAR)
1049 			next = (struct rte_acl_rule *)(acl_rules +
1050 				acl_cnt * rule_size);
1051 
1052 		/* Illegal line */
1053 		else
1054 			rte_exit(EXIT_FAILURE,
1055 				"%s Line %u: should start with leading "
1056 				"char %c or %c\n",
1057 				rule_path, i, ROUTE_LEAD_CHAR, ACL_LEAD_CHAR);
1058 
1059 		if (parser(buff + 1, next, s == ROUTE_LEAD_CHAR) != 0)
1060 			rte_exit(EXIT_FAILURE,
1061 				"%s Line %u: parse rules error\n",
1062 				rule_path, i);
1063 
1064 		if (s == ROUTE_LEAD_CHAR) {
1065 			/* Check the forwarding port number */
1066 			if ((enabled_port_mask & (1 << next->data.userdata)) ==
1067 					0)
1068 				rte_exit(EXIT_FAILURE,
1069 					"%s Line %u: fwd number illegal:%u\n",
1070 					rule_path, i, next->data.userdata);
1071 			next->data.userdata += FWD_PORT_SHIFT;
1072 			route_cnt++;
1073 		} else {
1074 			next->data.userdata = ACL_DENY_SIGNATURE + acl_cnt;
1075 			acl_cnt++;
1076 		}
1077 
1078 		next->data.priority = RTE_ACL_MAX_PRIORITY - total_num;
1079 		next->data.category_mask = -1;
1080 		total_num++;
1081 	}
1082 
1083 	fclose(fh);
1084 
1085 	*pacl_base = (struct rte_acl_rule *)acl_rules;
1086 	*pacl_num = acl_num;
1087 	*proute_base = (struct rte_acl_rule *)route_rules;
1088 	*proute_num = route_cnt;
1089 
1090 	return 0;
1091 }
1092 
1093 static void
1094 dump_acl_config(void)
1095 {
1096 	printf("ACL option are:\n");
1097 	printf(OPTION_RULE_IPV4": %s\n", parm_config.rule_ipv4_name);
1098 	printf(OPTION_RULE_IPV6": %s\n", parm_config.rule_ipv6_name);
1099 	printf(OPTION_SCALAR": %d\n", parm_config.scalar);
1100 }
1101 
1102 static int
1103 check_acl_config(void)
1104 {
1105 	if (parm_config.rule_ipv4_name == NULL) {
1106 		acl_log("ACL IPv4 rule file not specified\n");
1107 		return -1;
1108 	} else if (parm_config.rule_ipv6_name == NULL) {
1109 		acl_log("ACL IPv6 rule file not specified\n");
1110 		return -1;
1111 	}
1112 
1113 	return 0;
1114 }
1115 
1116 static struct rte_acl_ctx*
1117 setup_acl(struct rte_acl_rule *route_base,
1118 		struct rte_acl_rule *acl_base, unsigned int route_num,
1119 		unsigned int acl_num, int ipv6, int socketid)
1120 {
1121 	char name[PATH_MAX];
1122 	struct rte_acl_param acl_param;
1123 	struct rte_acl_config acl_build_param;
1124 	struct rte_acl_ctx *context;
1125 	int dim = ipv6 ? RTE_DIM(ipv6_defs) : RTE_DIM(ipv4_defs);
1126 
1127 	/* Create ACL contexts */
1128 	snprintf(name, sizeof(name), "%s%d",
1129 			ipv6 ? L3FWD_ACL_IPV6_NAME : L3FWD_ACL_IPV4_NAME,
1130 			socketid);
1131 
1132 	acl_param.name = name;
1133 	acl_param.socket_id = socketid;
1134 	acl_param.rule_size = RTE_ACL_RULE_SZ(dim);
1135 	acl_param.max_rule_num = MAX_ACL_RULE_NUM;
1136 
1137 	if ((context = rte_acl_create(&acl_param)) == NULL)
1138 		rte_exit(EXIT_FAILURE, "Failed to create ACL context\n");
1139 
1140 	if (parm_config.scalar && rte_acl_set_ctx_classify(context,
1141 			RTE_ACL_CLASSIFY_SCALAR) != 0)
1142 		rte_exit(EXIT_FAILURE,
1143 			"Failed to setup classify method for  ACL context\n");
1144 
1145 	if (rte_acl_add_rules(context, route_base, route_num) < 0)
1146 			rte_exit(EXIT_FAILURE, "add rules failed\n");
1147 
1148 	if (rte_acl_add_rules(context, acl_base, acl_num) < 0)
1149 			rte_exit(EXIT_FAILURE, "add rules failed\n");
1150 
1151 	/* Perform builds */
1152 	memset(&acl_build_param, 0, sizeof(acl_build_param));
1153 
1154 	acl_build_param.num_categories = DEFAULT_MAX_CATEGORIES;
1155 	acl_build_param.num_fields = dim;
1156 	memcpy(&acl_build_param.defs, ipv6 ? ipv6_defs : ipv4_defs,
1157 		ipv6 ? sizeof(ipv6_defs) : sizeof(ipv4_defs));
1158 
1159 	if (rte_acl_build(context, &acl_build_param) != 0)
1160 		rte_exit(EXIT_FAILURE, "Failed to build ACL trie\n");
1161 
1162 	rte_acl_dump(context);
1163 
1164 	return context;
1165 }
1166 
1167 static int
1168 app_acl_init(void)
1169 {
1170 	unsigned lcore_id;
1171 	unsigned int i;
1172 	int socketid;
1173 	struct rte_acl_rule *acl_base_ipv4, *route_base_ipv4,
1174 		*acl_base_ipv6, *route_base_ipv6;
1175 	unsigned int acl_num_ipv4 = 0, route_num_ipv4 = 0,
1176 		acl_num_ipv6 = 0, route_num_ipv6 = 0;
1177 
1178 	if (check_acl_config() != 0)
1179 		rte_exit(EXIT_FAILURE, "Failed to get valid ACL options\n");
1180 
1181 	dump_acl_config();
1182 
1183 	/* Load  rules from the input file */
1184 	if (add_rules(parm_config.rule_ipv4_name, &route_base_ipv4,
1185 			&route_num_ipv4, &acl_base_ipv4, &acl_num_ipv4,
1186 			sizeof(struct acl4_rule), &parse_cb_ipv4vlan_rule) < 0)
1187 		rte_exit(EXIT_FAILURE, "Failed to add rules\n");
1188 
1189 	acl_log("IPv4 Route entries %u:\n", route_num_ipv4);
1190 	dump_ipv4_rules((struct acl4_rule *)route_base_ipv4, route_num_ipv4, 1);
1191 
1192 	acl_log("IPv4 ACL entries %u:\n", acl_num_ipv4);
1193 	dump_ipv4_rules((struct acl4_rule *)acl_base_ipv4, acl_num_ipv4, 1);
1194 
1195 	if (add_rules(parm_config.rule_ipv6_name, &route_base_ipv6,
1196 			&route_num_ipv6,
1197 			&acl_base_ipv6, &acl_num_ipv6,
1198 			sizeof(struct acl6_rule), &parse_cb_ipv6_rule) < 0)
1199 		rte_exit(EXIT_FAILURE, "Failed to add rules\n");
1200 
1201 	acl_log("IPv6 Route entries %u:\n", route_num_ipv6);
1202 	dump_ipv6_rules((struct acl6_rule *)route_base_ipv6, route_num_ipv6, 1);
1203 
1204 	acl_log("IPv6 ACL entries %u:\n", acl_num_ipv6);
1205 	dump_ipv6_rules((struct acl6_rule *)acl_base_ipv6, acl_num_ipv6, 1);
1206 
1207 	memset(&acl_config, 0, sizeof(acl_config));
1208 
1209 	/* Check sockets a context should be created on */
1210 	if (!numa_on)
1211 		acl_config.mapped[0] = 1;
1212 	else {
1213 		for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1214 			if (rte_lcore_is_enabled(lcore_id) == 0)
1215 				continue;
1216 
1217 			socketid = rte_lcore_to_socket_id(lcore_id);
1218 			if (socketid >= NB_SOCKETS) {
1219 				acl_log("Socket %d of lcore %u is out "
1220 					"of range %d\n",
1221 					socketid, lcore_id, NB_SOCKETS);
1222 				free(route_base_ipv4);
1223 				free(route_base_ipv6);
1224 				free(acl_base_ipv4);
1225 				free(acl_base_ipv6);
1226 				return -1;
1227 			}
1228 
1229 			acl_config.mapped[socketid] = 1;
1230 		}
1231 	}
1232 
1233 	for (i = 0; i < NB_SOCKETS; i++) {
1234 		if (acl_config.mapped[i]) {
1235 			acl_config.acx_ipv4[i] = setup_acl(route_base_ipv4,
1236 				acl_base_ipv4, route_num_ipv4, acl_num_ipv4,
1237 				0, i);
1238 
1239 			acl_config.acx_ipv6[i] = setup_acl(route_base_ipv6,
1240 				acl_base_ipv6, route_num_ipv6, acl_num_ipv6,
1241 				1, i);
1242 		}
1243 	}
1244 
1245 	free(route_base_ipv4);
1246 	free(route_base_ipv6);
1247 
1248 #ifdef L3FWDACL_DEBUG
1249 	acl_config.rule_ipv4 = (struct acl4_rule *)acl_base_ipv4;
1250 	acl_config.rule_ipv6 = (struct acl6_rule *)acl_base_ipv6;
1251 #else
1252 	free(acl_base_ipv4);
1253 	free(acl_base_ipv6);
1254 #endif
1255 
1256 	return 0;
1257 }
1258 
1259 /***********************end of ACL part******************************/
1260 
1261 struct lcore_conf {
1262 	uint16_t n_rx_queue;
1263 	struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
1264 	uint16_t n_tx_port;
1265 	uint16_t tx_port_id[RTE_MAX_ETHPORTS];
1266 	uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
1267 	struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
1268 } __rte_cache_aligned;
1269 
1270 static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
1271 
1272 /* Enqueue a single packet, and send burst if queue is filled */
1273 static inline void
1274 send_single_packet(struct rte_mbuf *m, uint16_t port)
1275 {
1276 	uint32_t lcore_id;
1277 	struct lcore_conf *qconf;
1278 
1279 	lcore_id = rte_lcore_id();
1280 
1281 	qconf = &lcore_conf[lcore_id];
1282 	rte_eth_tx_buffer(port, qconf->tx_queue_id[port],
1283 			qconf->tx_buffer[port], m);
1284 }
1285 
1286 #ifdef DO_RFC_1812_CHECKS
1287 static inline int
1288 is_valid_ipv4_pkt(struct rte_ipv4_hdr *pkt, uint32_t link_len)
1289 {
1290 	/* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
1291 	/*
1292 	 * 1. The packet length reported by the Link Layer must be large
1293 	 * enough to hold the minimum length legal IP datagram (20 bytes).
1294 	 */
1295 	if (link_len < sizeof(struct rte_ipv4_hdr))
1296 		return -1;
1297 
1298 	/* 2. The IP checksum must be correct. */
1299 	/* this is checked in H/W */
1300 
1301 	/*
1302 	 * 3. The IP version number must be 4. If the version number is not 4
1303 	 * then the packet may be another version of IP, such as IPng or
1304 	 * ST-II.
1305 	 */
1306 	if (((pkt->version_ihl) >> 4) != 4)
1307 		return -3;
1308 	/*
1309 	 * 4. The IP header length field must be large enough to hold the
1310 	 * minimum length legal IP datagram (20 bytes = 5 words).
1311 	 */
1312 	if ((pkt->version_ihl & 0xf) < 5)
1313 		return -4;
1314 
1315 	/*
1316 	 * 5. The IP total length field must be large enough to hold the IP
1317 	 * datagram header, whose length is specified in the IP header length
1318 	 * field.
1319 	 */
1320 	if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct rte_ipv4_hdr))
1321 		return -5;
1322 
1323 	return 0;
1324 }
1325 #endif
1326 
1327 /* main processing loop */
1328 static int
1329 main_loop(__rte_unused void *dummy)
1330 {
1331 	struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
1332 	unsigned lcore_id;
1333 	uint64_t prev_tsc, diff_tsc, cur_tsc;
1334 	int i, nb_rx;
1335 	uint16_t portid;
1336 	uint8_t queueid;
1337 	struct lcore_conf *qconf;
1338 	int socketid;
1339 	const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1)
1340 			/ US_PER_S * BURST_TX_DRAIN_US;
1341 
1342 	prev_tsc = 0;
1343 	lcore_id = rte_lcore_id();
1344 	qconf = &lcore_conf[lcore_id];
1345 	socketid = rte_lcore_to_socket_id(lcore_id);
1346 
1347 	if (qconf->n_rx_queue == 0) {
1348 		RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id);
1349 		return 0;
1350 	}
1351 
1352 	RTE_LOG(INFO, L3FWD, "entering main loop on lcore %u\n", lcore_id);
1353 
1354 	for (i = 0; i < qconf->n_rx_queue; i++) {
1355 
1356 		portid = qconf->rx_queue_list[i].port_id;
1357 		queueid = qconf->rx_queue_list[i].queue_id;
1358 		RTE_LOG(INFO, L3FWD,
1359 			" -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
1360 			lcore_id, portid, queueid);
1361 	}
1362 
1363 	while (1) {
1364 
1365 		cur_tsc = rte_rdtsc();
1366 
1367 		/*
1368 		 * TX burst queue drain
1369 		 */
1370 		diff_tsc = cur_tsc - prev_tsc;
1371 		if (unlikely(diff_tsc > drain_tsc)) {
1372 			for (i = 0; i < qconf->n_tx_port; ++i) {
1373 				portid = qconf->tx_port_id[i];
1374 				rte_eth_tx_buffer_flush(portid,
1375 						qconf->tx_queue_id[portid],
1376 						qconf->tx_buffer[portid]);
1377 			}
1378 			prev_tsc = cur_tsc;
1379 		}
1380 
1381 		/*
1382 		 * Read packet from RX queues
1383 		 */
1384 		for (i = 0; i < qconf->n_rx_queue; ++i) {
1385 
1386 			portid = qconf->rx_queue_list[i].port_id;
1387 			queueid = qconf->rx_queue_list[i].queue_id;
1388 			nb_rx = rte_eth_rx_burst(portid, queueid,
1389 				pkts_burst, MAX_PKT_BURST);
1390 
1391 			if (nb_rx > 0) {
1392 				struct acl_search_t acl_search;
1393 
1394 				prepare_acl_parameter(pkts_burst, &acl_search,
1395 					nb_rx);
1396 
1397 				if (acl_search.num_ipv4) {
1398 					rte_acl_classify(
1399 						acl_config.acx_ipv4[socketid],
1400 						acl_search.data_ipv4,
1401 						acl_search.res_ipv4,
1402 						acl_search.num_ipv4,
1403 						DEFAULT_MAX_CATEGORIES);
1404 
1405 					send_packets(acl_search.m_ipv4,
1406 						acl_search.res_ipv4,
1407 						acl_search.num_ipv4);
1408 				}
1409 
1410 				if (acl_search.num_ipv6) {
1411 					rte_acl_classify(
1412 						acl_config.acx_ipv6[socketid],
1413 						acl_search.data_ipv6,
1414 						acl_search.res_ipv6,
1415 						acl_search.num_ipv6,
1416 						DEFAULT_MAX_CATEGORIES);
1417 
1418 					send_packets(acl_search.m_ipv6,
1419 						acl_search.res_ipv6,
1420 						acl_search.num_ipv6);
1421 				}
1422 			}
1423 		}
1424 	}
1425 }
1426 
1427 static int
1428 check_lcore_params(void)
1429 {
1430 	uint8_t queue, lcore;
1431 	uint16_t i;
1432 	int socketid;
1433 
1434 	for (i = 0; i < nb_lcore_params; ++i) {
1435 		queue = lcore_params[i].queue_id;
1436 		if (queue >= MAX_RX_QUEUE_PER_PORT) {
1437 			printf("invalid queue number: %hhu\n", queue);
1438 			return -1;
1439 		}
1440 		lcore = lcore_params[i].lcore_id;
1441 		if (!rte_lcore_is_enabled(lcore)) {
1442 			printf("error: lcore %hhu is not enabled in "
1443 				"lcore mask\n", lcore);
1444 			return -1;
1445 		}
1446 		socketid = rte_lcore_to_socket_id(lcore);
1447 		if (socketid != 0 && numa_on == 0) {
1448 			printf("warning: lcore %hhu is on socket %d "
1449 				"with numa off\n",
1450 				lcore, socketid);
1451 		}
1452 	}
1453 	return 0;
1454 }
1455 
1456 static int
1457 check_port_config(void)
1458 {
1459 	unsigned portid;
1460 	uint16_t i;
1461 
1462 	for (i = 0; i < nb_lcore_params; ++i) {
1463 		portid = lcore_params[i].port_id;
1464 
1465 		if ((enabled_port_mask & (1 << portid)) == 0) {
1466 			printf("port %u is not enabled in port mask\n", portid);
1467 			return -1;
1468 		}
1469 		if (!rte_eth_dev_is_valid_port(portid)) {
1470 			printf("port %u is not present on the board\n", portid);
1471 			return -1;
1472 		}
1473 	}
1474 	return 0;
1475 }
1476 
1477 static uint8_t
1478 get_port_n_rx_queues(const uint16_t port)
1479 {
1480 	int queue = -1;
1481 	uint16_t i;
1482 
1483 	for (i = 0; i < nb_lcore_params; ++i) {
1484 		if (lcore_params[i].port_id == port &&
1485 				lcore_params[i].queue_id > queue)
1486 			queue = lcore_params[i].queue_id;
1487 	}
1488 	return (uint8_t)(++queue);
1489 }
1490 
1491 static int
1492 init_lcore_rx_queues(void)
1493 {
1494 	uint16_t i, nb_rx_queue;
1495 	uint8_t lcore;
1496 
1497 	for (i = 0; i < nb_lcore_params; ++i) {
1498 		lcore = lcore_params[i].lcore_id;
1499 		nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1500 		if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1501 			printf("error: too many queues (%u) for lcore: %u\n",
1502 				(unsigned)nb_rx_queue + 1, (unsigned)lcore);
1503 			return -1;
1504 		} else {
1505 			lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1506 				lcore_params[i].port_id;
1507 			lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1508 				lcore_params[i].queue_id;
1509 			lcore_conf[lcore].n_rx_queue++;
1510 		}
1511 	}
1512 	return 0;
1513 }
1514 
1515 /* display usage */
1516 static void
1517 print_usage(const char *prgname)
1518 {
1519 	printf("%s [EAL options] -- -p PORTMASK -P"
1520 		"--"OPTION_RULE_IPV4"=FILE"
1521 		"--"OPTION_RULE_IPV6"=FILE"
1522 		"  [--"OPTION_CONFIG" (port,queue,lcore)[,(port,queue,lcore]]"
1523 		"  [--"OPTION_ENBJMO" [--max-pkt-len PKTLEN]]\n"
1524 		"  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1525 		"  -P : enable promiscuous mode\n"
1526 		"  --"OPTION_CONFIG": (port,queue,lcore): "
1527 		"rx queues configuration\n"
1528 		"  --"OPTION_NONUMA": optional, disable numa awareness\n"
1529 		"  --"OPTION_ENBJMO": enable jumbo frame"
1530 		" which max packet len is PKTLEN in decimal (64-9600)\n"
1531 		"  --"OPTION_RULE_IPV4"=FILE: specify the ipv4 rules entries "
1532 		"file. "
1533 		"Each rule occupy one line. "
1534 		"2 kinds of rules are supported. "
1535 		"One is ACL entry at while line leads with character '%c', "
1536 		"another is route entry at while line leads with "
1537 		"character '%c'.\n"
1538 		"  --"OPTION_RULE_IPV6"=FILE: specify the ipv6 rules "
1539 		"entries file.\n"
1540 		"  --"OPTION_SCALAR": Use scalar function to do lookup\n",
1541 		prgname, ACL_LEAD_CHAR, ROUTE_LEAD_CHAR);
1542 }
1543 
1544 static int
1545 parse_max_pkt_len(const char *pktlen)
1546 {
1547 	char *end = NULL;
1548 	unsigned long len;
1549 
1550 	/* parse decimal string */
1551 	len = strtoul(pktlen, &end, 10);
1552 	if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1553 		return -1;
1554 
1555 	if (len == 0)
1556 		return -1;
1557 
1558 	return len;
1559 }
1560 
1561 static int
1562 parse_portmask(const char *portmask)
1563 {
1564 	char *end = NULL;
1565 	unsigned long pm;
1566 
1567 	/* parse hexadecimal string */
1568 	pm = strtoul(portmask, &end, 16);
1569 	if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1570 		return 0;
1571 
1572 	return pm;
1573 }
1574 
1575 static int
1576 parse_config(const char *q_arg)
1577 {
1578 	char s[256];
1579 	const char *p, *p0 = q_arg;
1580 	char *end;
1581 	enum fieldnames {
1582 		FLD_PORT = 0,
1583 		FLD_QUEUE,
1584 		FLD_LCORE,
1585 		_NUM_FLD
1586 	};
1587 	unsigned long int_fld[_NUM_FLD];
1588 	char *str_fld[_NUM_FLD];
1589 	int i;
1590 	unsigned size;
1591 
1592 	nb_lcore_params = 0;
1593 
1594 	while ((p = strchr(p0, '(')) != NULL) {
1595 		++p;
1596 		if ((p0 = strchr(p, ')')) == NULL)
1597 			return -1;
1598 
1599 		size = p0 - p;
1600 		if (size >= sizeof(s))
1601 			return -1;
1602 
1603 		snprintf(s, sizeof(s), "%.*s", size, p);
1604 		if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1605 				_NUM_FLD)
1606 			return -1;
1607 		for (i = 0; i < _NUM_FLD; i++) {
1608 			errno = 0;
1609 			int_fld[i] = strtoul(str_fld[i], &end, 0);
1610 			if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
1611 				return -1;
1612 		}
1613 		if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1614 			printf("exceeded max number of lcore params: %hu\n",
1615 				nb_lcore_params);
1616 			return -1;
1617 		}
1618 		lcore_params_array[nb_lcore_params].port_id =
1619 			(uint8_t)int_fld[FLD_PORT];
1620 		lcore_params_array[nb_lcore_params].queue_id =
1621 			(uint8_t)int_fld[FLD_QUEUE];
1622 		lcore_params_array[nb_lcore_params].lcore_id =
1623 			(uint8_t)int_fld[FLD_LCORE];
1624 		++nb_lcore_params;
1625 	}
1626 	lcore_params = lcore_params_array;
1627 	return 0;
1628 }
1629 
1630 /* Parse the argument given in the command line of the application */
1631 static int
1632 parse_args(int argc, char **argv)
1633 {
1634 	int opt, ret;
1635 	char **argvopt;
1636 	int option_index;
1637 	char *prgname = argv[0];
1638 	static struct option lgopts[] = {
1639 		{OPTION_CONFIG, 1, 0, 0},
1640 		{OPTION_NONUMA, 0, 0, 0},
1641 		{OPTION_ENBJMO, 0, 0, 0},
1642 		{OPTION_RULE_IPV4, 1, 0, 0},
1643 		{OPTION_RULE_IPV6, 1, 0, 0},
1644 		{OPTION_SCALAR, 0, 0, 0},
1645 		{NULL, 0, 0, 0}
1646 	};
1647 
1648 	argvopt = argv;
1649 
1650 	while ((opt = getopt_long(argc, argvopt, "p:P",
1651 				lgopts, &option_index)) != EOF) {
1652 
1653 		switch (opt) {
1654 		/* portmask */
1655 		case 'p':
1656 			enabled_port_mask = parse_portmask(optarg);
1657 			if (enabled_port_mask == 0) {
1658 				printf("invalid portmask\n");
1659 				print_usage(prgname);
1660 				return -1;
1661 			}
1662 			break;
1663 		case 'P':
1664 			printf("Promiscuous mode selected\n");
1665 			promiscuous_on = 1;
1666 			break;
1667 
1668 		/* long options */
1669 		case 0:
1670 			if (!strncmp(lgopts[option_index].name,
1671 					OPTION_CONFIG,
1672 					sizeof(OPTION_CONFIG))) {
1673 				ret = parse_config(optarg);
1674 				if (ret) {
1675 					printf("invalid config\n");
1676 					print_usage(prgname);
1677 					return -1;
1678 				}
1679 			}
1680 
1681 			if (!strncmp(lgopts[option_index].name,
1682 					OPTION_NONUMA,
1683 					sizeof(OPTION_NONUMA))) {
1684 				printf("numa is disabled\n");
1685 				numa_on = 0;
1686 			}
1687 
1688 			if (!strncmp(lgopts[option_index].name,
1689 					OPTION_ENBJMO, sizeof(OPTION_ENBJMO))) {
1690 				struct option lenopts = {
1691 					"max-pkt-len",
1692 					required_argument,
1693 					0,
1694 					0
1695 				};
1696 
1697 				printf("jumbo frame is enabled\n");
1698 				port_conf.rxmode.offloads |=
1699 						DEV_RX_OFFLOAD_JUMBO_FRAME;
1700 				port_conf.txmode.offloads |=
1701 						DEV_TX_OFFLOAD_MULTI_SEGS;
1702 
1703 				/*
1704 				 * if no max-pkt-len set, then use the
1705 				 * default value RTE_ETHER_MAX_LEN
1706 				 */
1707 				if (0 == getopt_long(argc, argvopt, "",
1708 						&lenopts, &option_index)) {
1709 					ret = parse_max_pkt_len(optarg);
1710 					if ((ret < 64) ||
1711 						(ret > MAX_JUMBO_PKT_LEN)) {
1712 						printf("invalid packet "
1713 							"length\n");
1714 						print_usage(prgname);
1715 						return -1;
1716 					}
1717 					port_conf.rxmode.max_rx_pkt_len = ret;
1718 				}
1719 				printf("set jumbo frame max packet length "
1720 					"to %u\n",
1721 					(unsigned int)
1722 					port_conf.rxmode.max_rx_pkt_len);
1723 			}
1724 
1725 			if (!strncmp(lgopts[option_index].name,
1726 					OPTION_RULE_IPV4,
1727 					sizeof(OPTION_RULE_IPV4)))
1728 				parm_config.rule_ipv4_name = optarg;
1729 
1730 			if (!strncmp(lgopts[option_index].name,
1731 					OPTION_RULE_IPV6,
1732 					sizeof(OPTION_RULE_IPV6))) {
1733 				parm_config.rule_ipv6_name = optarg;
1734 			}
1735 
1736 			if (!strncmp(lgopts[option_index].name,
1737 					OPTION_SCALAR, sizeof(OPTION_SCALAR)))
1738 				parm_config.scalar = 1;
1739 
1740 
1741 			break;
1742 
1743 		default:
1744 			print_usage(prgname);
1745 			return -1;
1746 		}
1747 	}
1748 
1749 	if (optind >= 0)
1750 		argv[optind-1] = prgname;
1751 
1752 	ret = optind-1;
1753 	optind = 1; /* reset getopt lib */
1754 	return ret;
1755 }
1756 
1757 static void
1758 print_ethaddr(const char *name, const struct rte_ether_addr *eth_addr)
1759 {
1760 	char buf[RTE_ETHER_ADDR_FMT_SIZE];
1761 	rte_ether_format_addr(buf, RTE_ETHER_ADDR_FMT_SIZE, eth_addr);
1762 	printf("%s%s", name, buf);
1763 }
1764 
1765 static int
1766 init_mem(unsigned nb_mbuf)
1767 {
1768 	int socketid;
1769 	unsigned lcore_id;
1770 	char s[64];
1771 
1772 	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1773 		if (rte_lcore_is_enabled(lcore_id) == 0)
1774 			continue;
1775 
1776 		if (numa_on)
1777 			socketid = rte_lcore_to_socket_id(lcore_id);
1778 		else
1779 			socketid = 0;
1780 
1781 		if (socketid >= NB_SOCKETS) {
1782 			rte_exit(EXIT_FAILURE,
1783 				"Socket %d of lcore %u is out of range %d\n",
1784 				socketid, lcore_id, NB_SOCKETS);
1785 		}
1786 		if (pktmbuf_pool[socketid] == NULL) {
1787 			snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1788 			pktmbuf_pool[socketid] =
1789 				rte_pktmbuf_pool_create(s, nb_mbuf,
1790 					MEMPOOL_CACHE_SIZE, 0,
1791 					RTE_MBUF_DEFAULT_BUF_SIZE,
1792 					socketid);
1793 			if (pktmbuf_pool[socketid] == NULL)
1794 				rte_exit(EXIT_FAILURE,
1795 					"Cannot init mbuf pool on socket %d\n",
1796 					socketid);
1797 			else
1798 				printf("Allocated mbuf pool on socket %d\n",
1799 					socketid);
1800 		}
1801 	}
1802 	return 0;
1803 }
1804 
1805 /* Check the link status of all ports in up to 9s, and print them finally */
1806 static void
1807 check_all_ports_link_status(uint32_t port_mask)
1808 {
1809 #define CHECK_INTERVAL 100 /* 100ms */
1810 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1811 	uint16_t portid;
1812 	uint8_t count, all_ports_up, print_flag = 0;
1813 	struct rte_eth_link link;
1814 	int ret;
1815 	char link_status_text[RTE_ETH_LINK_MAX_STR_LEN];
1816 
1817 	printf("\nChecking link status");
1818 	fflush(stdout);
1819 	for (count = 0; count <= MAX_CHECK_TIME; count++) {
1820 		all_ports_up = 1;
1821 		RTE_ETH_FOREACH_DEV(portid) {
1822 			if ((port_mask & (1 << portid)) == 0)
1823 				continue;
1824 			memset(&link, 0, sizeof(link));
1825 			ret = rte_eth_link_get_nowait(portid, &link);
1826 			if (ret < 0) {
1827 				all_ports_up = 0;
1828 				if (print_flag == 1)
1829 					printf("Port %u link get failed: %s\n",
1830 						portid, rte_strerror(-ret));
1831 				continue;
1832 			}
1833 			/* print link status if flag set */
1834 			if (print_flag == 1) {
1835 				rte_eth_link_to_str(link_status_text,
1836 					sizeof(link_status_text), &link);
1837 				printf("Port %d %s\n", portid,
1838 				       link_status_text);
1839 				continue;
1840 			}
1841 			/* clear all_ports_up flag if any link down */
1842 			if (link.link_status == ETH_LINK_DOWN) {
1843 				all_ports_up = 0;
1844 				break;
1845 			}
1846 		}
1847 		/* after finally printing all link status, get out */
1848 		if (print_flag == 1)
1849 			break;
1850 
1851 		if (all_ports_up == 0) {
1852 			printf(".");
1853 			fflush(stdout);
1854 			rte_delay_ms(CHECK_INTERVAL);
1855 		}
1856 
1857 		/* set the print_flag if all ports up or timeout */
1858 		if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1859 			print_flag = 1;
1860 			printf("done\n");
1861 		}
1862 	}
1863 }
1864 
1865 int
1866 main(int argc, char **argv)
1867 {
1868 	struct lcore_conf *qconf;
1869 	struct rte_eth_dev_info dev_info;
1870 	struct rte_eth_txconf *txconf;
1871 	int ret;
1872 	unsigned nb_ports;
1873 	uint16_t queueid;
1874 	unsigned lcore_id;
1875 	uint32_t n_tx_queue, nb_lcores;
1876 	uint16_t portid;
1877 	uint8_t nb_rx_queue, queue, socketid;
1878 
1879 	/* init EAL */
1880 	ret = rte_eal_init(argc, argv);
1881 	if (ret < 0)
1882 		rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1883 	argc -= ret;
1884 	argv += ret;
1885 
1886 	/* parse application arguments (after the EAL ones) */
1887 	ret = parse_args(argc, argv);
1888 	if (ret < 0)
1889 		rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1890 
1891 	if (check_lcore_params() < 0)
1892 		rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1893 
1894 	ret = init_lcore_rx_queues();
1895 	if (ret < 0)
1896 		rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1897 
1898 	nb_ports = rte_eth_dev_count_avail();
1899 
1900 	if (check_port_config() < 0)
1901 		rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1902 
1903 	/* Add ACL rules and route entries, build trie */
1904 	if (app_acl_init() < 0)
1905 		rte_exit(EXIT_FAILURE, "app_acl_init failed\n");
1906 
1907 	nb_lcores = rte_lcore_count();
1908 
1909 	/* initialize all ports */
1910 	RTE_ETH_FOREACH_DEV(portid) {
1911 		struct rte_eth_conf local_port_conf = port_conf;
1912 
1913 		/* skip ports that are not enabled */
1914 		if ((enabled_port_mask & (1 << portid)) == 0) {
1915 			printf("\nSkipping disabled port %d\n", portid);
1916 			continue;
1917 		}
1918 
1919 		/* init port */
1920 		printf("Initializing port %d ... ", portid);
1921 		fflush(stdout);
1922 
1923 		nb_rx_queue = get_port_n_rx_queues(portid);
1924 		n_tx_queue = nb_lcores;
1925 		if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
1926 			n_tx_queue = MAX_TX_QUEUE_PER_PORT;
1927 		printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1928 			nb_rx_queue, (unsigned)n_tx_queue);
1929 
1930 		ret = rte_eth_dev_info_get(portid, &dev_info);
1931 		if (ret != 0)
1932 			rte_exit(EXIT_FAILURE,
1933 				"Error during getting device (port %u) info: %s\n",
1934 				portid, strerror(-ret));
1935 
1936 		if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
1937 			local_port_conf.txmode.offloads |=
1938 				DEV_TX_OFFLOAD_MBUF_FAST_FREE;
1939 
1940 		local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
1941 			dev_info.flow_type_rss_offloads;
1942 		if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
1943 				port_conf.rx_adv_conf.rss_conf.rss_hf) {
1944 			printf("Port %u modified RSS hash function based on hardware support,"
1945 				"requested:%#"PRIx64" configured:%#"PRIx64"\n",
1946 				portid,
1947 				port_conf.rx_adv_conf.rss_conf.rss_hf,
1948 				local_port_conf.rx_adv_conf.rss_conf.rss_hf);
1949 		}
1950 
1951 		ret = rte_eth_dev_configure(portid, nb_rx_queue,
1952 					(uint16_t)n_tx_queue, &local_port_conf);
1953 		if (ret < 0)
1954 			rte_exit(EXIT_FAILURE,
1955 				"Cannot configure device: err=%d, port=%d\n",
1956 				ret, portid);
1957 
1958 		ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
1959 						       &nb_txd);
1960 		if (ret < 0)
1961 			rte_exit(EXIT_FAILURE,
1962 				"rte_eth_dev_adjust_nb_rx_tx_desc: err=%d, port=%d\n",
1963 				ret, portid);
1964 
1965 		ret = rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1966 		if (ret < 0)
1967 			rte_exit(EXIT_FAILURE,
1968 				"rte_eth_macaddr_get: err=%d, port=%d\n",
1969 				ret, portid);
1970 
1971 		print_ethaddr(" Address:", &ports_eth_addr[portid]);
1972 		printf(", ");
1973 
1974 		/* init memory */
1975 		ret = init_mem(NB_MBUF);
1976 		if (ret < 0)
1977 			rte_exit(EXIT_FAILURE, "init_mem failed\n");
1978 
1979 		for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1980 			if (rte_lcore_is_enabled(lcore_id) == 0)
1981 				continue;
1982 
1983 			/* Initialize TX buffers */
1984 			qconf = &lcore_conf[lcore_id];
1985 			qconf->tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
1986 					RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
1987 					rte_eth_dev_socket_id(portid));
1988 			if (qconf->tx_buffer[portid] == NULL)
1989 				rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n",
1990 						(unsigned) portid);
1991 
1992 			rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST);
1993 		}
1994 
1995 		/* init one TX queue per couple (lcore,port) */
1996 		queueid = 0;
1997 		for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1998 			if (rte_lcore_is_enabled(lcore_id) == 0)
1999 				continue;
2000 
2001 			if (numa_on)
2002 				socketid = (uint8_t)
2003 					rte_lcore_to_socket_id(lcore_id);
2004 			else
2005 				socketid = 0;
2006 
2007 			printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
2008 			fflush(stdout);
2009 
2010 			ret = rte_eth_dev_info_get(portid, &dev_info);
2011 			if (ret != 0)
2012 				rte_exit(EXIT_FAILURE,
2013 					"Error during getting device (port %u) info: %s\n",
2014 					portid, strerror(-ret));
2015 
2016 			txconf = &dev_info.default_txconf;
2017 			txconf->offloads = local_port_conf.txmode.offloads;
2018 			ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
2019 						     socketid, txconf);
2020 			if (ret < 0)
2021 				rte_exit(EXIT_FAILURE,
2022 					"rte_eth_tx_queue_setup: err=%d, "
2023 					"port=%d\n", ret, portid);
2024 
2025 			qconf = &lcore_conf[lcore_id];
2026 			qconf->tx_queue_id[portid] = queueid;
2027 			queueid++;
2028 
2029 			qconf->tx_port_id[qconf->n_tx_port] = portid;
2030 			qconf->n_tx_port++;
2031 		}
2032 		printf("\n");
2033 	}
2034 
2035 	for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2036 		if (rte_lcore_is_enabled(lcore_id) == 0)
2037 			continue;
2038 		qconf = &lcore_conf[lcore_id];
2039 		printf("\nInitializing rx queues on lcore %u ... ", lcore_id);
2040 		fflush(stdout);
2041 		/* init RX queues */
2042 		for (queue = 0; queue < qconf->n_rx_queue; ++queue) {
2043 			struct rte_eth_rxconf rxq_conf;
2044 
2045 			portid = qconf->rx_queue_list[queue].port_id;
2046 			queueid = qconf->rx_queue_list[queue].queue_id;
2047 
2048 			if (numa_on)
2049 				socketid = (uint8_t)
2050 					rte_lcore_to_socket_id(lcore_id);
2051 			else
2052 				socketid = 0;
2053 
2054 			printf("rxq=%d,%d,%d ", portid, queueid, socketid);
2055 			fflush(stdout);
2056 
2057 			ret = rte_eth_dev_info_get(portid, &dev_info);
2058 			if (ret != 0)
2059 				rte_exit(EXIT_FAILURE,
2060 					"Error during getting device (port %u) info: %s\n",
2061 					portid, strerror(-ret));
2062 
2063 			rxq_conf = dev_info.default_rxconf;
2064 			rxq_conf.offloads = port_conf.rxmode.offloads;
2065 			ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
2066 					socketid, &rxq_conf,
2067 					pktmbuf_pool[socketid]);
2068 			if (ret < 0)
2069 				rte_exit(EXIT_FAILURE,
2070 					"rte_eth_rx_queue_setup: err=%d,"
2071 					"port=%d\n", ret, portid);
2072 		}
2073 	}
2074 
2075 	printf("\n");
2076 
2077 	/* start ports */
2078 	RTE_ETH_FOREACH_DEV(portid) {
2079 		if ((enabled_port_mask & (1 << portid)) == 0)
2080 			continue;
2081 
2082 		/* Start device */
2083 		ret = rte_eth_dev_start(portid);
2084 		if (ret < 0)
2085 			rte_exit(EXIT_FAILURE,
2086 				"rte_eth_dev_start: err=%d, port=%d\n",
2087 				ret, portid);
2088 
2089 		/*
2090 		 * If enabled, put device in promiscuous mode.
2091 		 * This allows IO forwarding mode to forward packets
2092 		 * to itself through 2 cross-connected  ports of the
2093 		 * target machine.
2094 		 */
2095 		if (promiscuous_on) {
2096 			ret = rte_eth_promiscuous_enable(portid);
2097 			if (ret != 0)
2098 				rte_exit(EXIT_FAILURE,
2099 					"rte_eth_promiscuous_enable: err=%s, port=%u\n",
2100 					rte_strerror(-ret), portid);
2101 		}
2102 	}
2103 
2104 	check_all_ports_link_status(enabled_port_mask);
2105 
2106 	/* launch per-lcore init on every lcore */
2107 	rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
2108 	RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2109 		if (rte_eal_wait_lcore(lcore_id) < 0)
2110 			return -1;
2111 	}
2112 
2113 	return 0;
2114 }
2115