examples/l3fwd-acl/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <stdint.h>
  37 #include <inttypes.h>
  38 #include <sys/types.h>
  39 #include <string.h>
  40 #include <sys/queue.h>
  41 #include <stdarg.h>
  42 #include <errno.h>
  43 #include <getopt.h>
  44
  45 #include <rte_common.h>
  46 #include <rte_byteorder.h>
  47 #include <rte_log.h>
  48 #include <rte_memory.h>
  49 #include <rte_memcpy.h>
  50 #include <rte_memzone.h>
  51 #include <rte_tailq.h>
  52 #include <rte_eal.h>
  53 #include <rte_per_lcore.h>
  54 #include <rte_launch.h>
  55 #include <rte_atomic.h>
  56 #include <rte_cycles.h>
  57 #include <rte_prefetch.h>
  58 #include <rte_lcore.h>
  59 #include <rte_per_lcore.h>
  60 #include <rte_branch_prediction.h>
  61 #include <rte_interrupts.h>
  62 #include <rte_pci.h>
  63 #include <rte_random.h>
  64 #include <rte_debug.h>
  65 #include <rte_ether.h>
  66 #include <rte_ethdev.h>
  67 #include <rte_ring.h>
  68 #include <rte_mempool.h>
  69 #include <rte_mbuf.h>
  70 #include <rte_ip.h>
  71 #include <rte_tcp.h>
  72 #include <rte_udp.h>
  73 #include <rte_string_fns.h>
  74 #include <rte_acl.h>
  75
  76 #define DO_RFC_1812_CHECKS
  77
  78 #define RTE_LOGTYPE_L3FWD RTE_LOGTYPE_USER1
  79
  80 #define MAX_JUMBO_PKT_LEN  9600
  81
  82 #define MEMPOOL_CACHE_SIZE 256
  83
  84 #define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
  85
  86 /*
  87  * This expression is used to calculate the number of mbufs needed
  88  * depending on user input, taking into account memory for rx and tx hardware
  89  * rings, cache per lcore and mtable per port per lcore.
  90  * RTE_MAX is used to ensure that NB_MBUF never goes below a
  91  * minimum value of 8192
  92  */
  93
  94 #define NB_MBUF RTE_MAX(\
  95         (nb_ports * nb_rx_queue*RTE_TEST_RX_DESC_DEFAULT +      \
  96         nb_ports * nb_lcores * MAX_PKT_BURST +                  \
  97         nb_ports * n_tx_queue * RTE_TEST_TX_DESC_DEFAULT +      \
  98         nb_lcores * MEMPOOL_CACHE_SIZE),                        \
  99         (unsigned)8192)
 100
 101 #define MAX_PKT_BURST 32
 102 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
 103
 104 #define NB_SOCKETS 8
 105
 106 /* Configure how many packets ahead to prefetch, when reading packets */
 107 #define PREFETCH_OFFSET 3
 108
 109 /*
 110  * Configurable number of RX/TX ring descriptors
 111  */
 112 #define RTE_TEST_RX_DESC_DEFAULT 128
 113 #define RTE_TEST_TX_DESC_DEFAULT 512
 114 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
 115 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
 116
 117 /* ethernet addresses of ports */
 118 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
 119
 120 /* mask of enabled ports */
 121 static uint32_t enabled_port_mask;
 122 static int promiscuous_on; /**< Ports set in promiscuous mode off by default. */
 123 static int numa_on = 1; /**< NUMA is enabled by default. */
 124
 125 struct mbuf_table {
 126         uint16_t len;
 127         struct rte_mbuf *m_table[MAX_PKT_BURST];
 128 };
 129
 130 struct lcore_rx_queue {
 131         uint8_t port_id;
 132         uint8_t queue_id;
 133 } __rte_cache_aligned;
 134
 135 #define MAX_RX_QUEUE_PER_LCORE 16
 136 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
 137 #define MAX_RX_QUEUE_PER_PORT 128
 138
 139 #define MAX_LCORE_PARAMS 1024
 140 struct lcore_params {
 141         uint8_t port_id;
 142         uint8_t queue_id;
 143         uint8_t lcore_id;
 144 } __rte_cache_aligned;
 145
 146 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
 147 static struct lcore_params lcore_params_array_default[] = {
 148         {0, 0, 2},
 149         {0, 1, 2},
 150         {0, 2, 2},
 151         {1, 0, 2},
 152         {1, 1, 2},
 153         {1, 2, 2},
 154         {2, 0, 2},
 155         {3, 0, 3},
 156         {3, 1, 3},
 157 };
 158
 159 static struct lcore_params *lcore_params = lcore_params_array_default;
 160 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
 161                                 sizeof(lcore_params_array_default[0]);
 162
 163 static struct rte_eth_conf port_conf = {
 164         .rxmode = {
 165                 .mq_mode        = ETH_MQ_RX_RSS,
 166                 .max_rx_pkt_len = ETHER_MAX_LEN,
 167                 .split_hdr_size = 0,
 168                 .header_split   = 0, /**< Header Split disabled */
 169                 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
 170                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 171                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 172                 .hw_strip_crc   = 0, /**< CRC stripped by hardware */
 173         },
 174         .rx_adv_conf = {
 175                 .rss_conf = {
 176                         .rss_key = NULL,
 177                         .rss_hf = ETH_RSS_IPV4 | ETH_RSS_IPV4_TCP
 178                                 | ETH_RSS_IPV4_UDP
 179                                 | ETH_RSS_IPV6 | ETH_RSS_IPV6_EX
 180                                 | ETH_RSS_IPV6_TCP | ETH_RSS_IPV6_TCP_EX
 181                                 | ETH_RSS_IPV6_UDP | ETH_RSS_IPV6_UDP_EX,
 182                 },
 183         },
 184         .txmode = {
 185                 .mq_mode = ETH_MQ_TX_NONE,
 186         },
 187 };
 188
 189 static struct rte_mempool *pktmbuf_pool[NB_SOCKETS];
 190
 191 /***********************start of ACL part******************************/
 192 #ifdef DO_RFC_1812_CHECKS
 193 static inline int
 194 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len);
 195 #endif
 196 static inline int
 197 send_single_packet(struct rte_mbuf *m, uint8_t port);
 198
 199 #define MAX_ACL_RULE_NUM        100000
 200 #define DEFAULT_MAX_CATEGORIES  1
 201 #define L3FWD_ACL_IPV4_NAME     "l3fwd-acl-ipv4"
 202 #define L3FWD_ACL_IPV6_NAME     "l3fwd-acl-ipv6"
 203 #define ACL_LEAD_CHAR           ('@')
 204 #define ROUTE_LEAD_CHAR         ('R')
 205 #define COMMENT_LEAD_CHAR       ('#')
 206 #define OPTION_CONFIG           "config"
 207 #define OPTION_NONUMA           "no-numa"
 208 #define OPTION_ENBJMO           "enable-jumbo"
 209 #define OPTION_RULE_IPV4        "rule_ipv4"
 210 #define OPTION_RULE_IPV6        "rule_ipv6"
 211 #define OPTION_SCALAR           "scalar"
 212 #define ACL_DENY_SIGNATURE      0xf0000000
 213 #define RTE_LOGTYPE_L3FWDACL    RTE_LOGTYPE_USER3
 214 #define acl_log(format, ...)    RTE_LOG(ERR, L3FWDACL, format, ##__VA_ARGS__)
 215 #define uint32_t_to_char(ip, a, b, c, d) do {\
 216                 *a = (unsigned char)(ip >> 24 & 0xff);\
 217                 *b = (unsigned char)(ip >> 16 & 0xff);\
 218                 *c = (unsigned char)(ip >> 8 & 0xff);\
 219                 *d = (unsigned char)(ip & 0xff);\
 220         } while (0)
 221 #define OFF_ETHHEAD     (sizeof(struct ether_hdr))
 222 #define OFF_IPV42PROTO (offsetof(struct ipv4_hdr, next_proto_id))
 223 #define OFF_IPV62PROTO (offsetof(struct ipv6_hdr, proto))
 224 #define MBUF_IPV4_2PROTO(m)     \
 225         (rte_pktmbuf_mtod((m), uint8_t *) + OFF_ETHHEAD + OFF_IPV42PROTO)
 226 #define MBUF_IPV6_2PROTO(m)     \
 227         (rte_pktmbuf_mtod((m), uint8_t *) + OFF_ETHHEAD + OFF_IPV62PROTO)
 228
 229 #define GET_CB_FIELD(in, fd, base, lim, dlm)    do {            \
 230         unsigned long val;                                      \
 231         char *end;                                              \
 232         errno = 0;                                              \
 233         val = strtoul((in), &end, (base));                      \
 234         if (errno != 0 || end[0] != (dlm) || val > (lim))       \
 235                 return -EINVAL;                               \
 236         (fd) = (typeof(fd))val;                                 \
 237         (in) = end + 1;                                         \
 238 } while (0)
 239
 240 /*
 241   * ACL rules should have higher priorities than route ones to ensure ACL rule
 242   * always be found when input packets have multi-matches in the database.
 243   * A exception case is performance measure, which can define route rules with
 244   * higher priority and route rules will always be returned in each lookup.
 245   * Reserve range from ACL_RULE_PRIORITY_MAX + 1 to
 246   * RTE_ACL_MAX_PRIORITY for route entries in performance measure
 247   */
 248 #define ACL_RULE_PRIORITY_MAX 0x10000000
 249
 250 /*
 251   * Forward port info save in ACL lib starts from 1
 252   * since ACL assume 0 is invalid.
 253   * So, need add 1 when saving and minus 1 when forwarding packets.
 254   */
 255 #define FWD_PORT_SHIFT 1
 256
 257 /*
 258  * Rule and trace formats definitions.
 259  */
 260
 261 enum {
 262         PROTO_FIELD_IPV4,
 263         SRC_FIELD_IPV4,
 264         DST_FIELD_IPV4,
 265         SRCP_FIELD_IPV4,
 266         DSTP_FIELD_IPV4,
 267         NUM_FIELDS_IPV4
 268 };
 269
 270 struct rte_acl_field_def ipv4_defs[NUM_FIELDS_IPV4] = {
 271         {
 272                 .type = RTE_ACL_FIELD_TYPE_BITMASK,
 273                 .size = sizeof(uint8_t),
 274                 .field_index = PROTO_FIELD_IPV4,
 275                 .input_index = RTE_ACL_IPV4VLAN_PROTO,
 276                 .offset = 0,
 277         },
 278         {
 279                 .type = RTE_ACL_FIELD_TYPE_MASK,
 280                 .size = sizeof(uint32_t),
 281                 .field_index = SRC_FIELD_IPV4,
 282                 .input_index = RTE_ACL_IPV4VLAN_SRC,
 283                 .offset = offsetof(struct ipv4_hdr, src_addr) -
 284                         offsetof(struct ipv4_hdr, next_proto_id),
 285         },
 286         {
 287                 .type = RTE_ACL_FIELD_TYPE_MASK,
 288                 .size = sizeof(uint32_t),
 289                 .field_index = DST_FIELD_IPV4,
 290                 .input_index = RTE_ACL_IPV4VLAN_DST,
 291                 .offset = offsetof(struct ipv4_hdr, dst_addr) -
 292                         offsetof(struct ipv4_hdr, next_proto_id),
 293         },
 294         {
 295                 .type = RTE_ACL_FIELD_TYPE_RANGE,
 296                 .size = sizeof(uint16_t),
 297                 .field_index = SRCP_FIELD_IPV4,
 298                 .input_index = RTE_ACL_IPV4VLAN_PORTS,
 299                 .offset = sizeof(struct ipv4_hdr) -
 300                         offsetof(struct ipv4_hdr, next_proto_id),
 301         },
 302         {
 303                 .type = RTE_ACL_FIELD_TYPE_RANGE,
 304                 .size = sizeof(uint16_t),
 305                 .field_index = DSTP_FIELD_IPV4,
 306                 .input_index = RTE_ACL_IPV4VLAN_PORTS,
 307                 .offset = sizeof(struct ipv4_hdr) -
 308                         offsetof(struct ipv4_hdr, next_proto_id) +
 309                         sizeof(uint16_t),
 310         },
 311 };
 312
 313 #define IPV6_ADDR_LEN   16
 314 #define IPV6_ADDR_U16   (IPV6_ADDR_LEN / sizeof(uint16_t))
 315 #define IPV6_ADDR_U32   (IPV6_ADDR_LEN / sizeof(uint32_t))
 316
 317 enum {
 318         PROTO_FIELD_IPV6,
 319         SRC1_FIELD_IPV6,
 320         SRC2_FIELD_IPV6,
 321         SRC3_FIELD_IPV6,
 322         SRC4_FIELD_IPV6,
 323         DST1_FIELD_IPV6,
 324         DST2_FIELD_IPV6,
 325         DST3_FIELD_IPV6,
 326         DST4_FIELD_IPV6,
 327         SRCP_FIELD_IPV6,
 328         DSTP_FIELD_IPV6,
 329         NUM_FIELDS_IPV6
 330 };
 331
 332 struct rte_acl_field_def ipv6_defs[NUM_FIELDS_IPV6] = {
 333         {
 334                 .type = RTE_ACL_FIELD_TYPE_BITMASK,
 335                 .size = sizeof(uint8_t),
 336                 .field_index = PROTO_FIELD_IPV6,
 337                 .input_index = PROTO_FIELD_IPV6,
 338                 .offset = 0,
 339         },
 340         {
 341                 .type = RTE_ACL_FIELD_TYPE_MASK,
 342                 .size = sizeof(uint32_t),
 343                 .field_index = SRC1_FIELD_IPV6,
 344                 .input_index = SRC1_FIELD_IPV6,
 345                 .offset = offsetof(struct ipv6_hdr, src_addr) -
 346                         offsetof(struct ipv6_hdr, proto),
 347         },
 348         {
 349                 .type = RTE_ACL_FIELD_TYPE_MASK,
 350                 .size = sizeof(uint32_t),
 351                 .field_index = SRC2_FIELD_IPV6,
 352                 .input_index = SRC2_FIELD_IPV6,
 353                 .offset = offsetof(struct ipv6_hdr, src_addr) -
 354                         offsetof(struct ipv6_hdr, proto) + sizeof(uint32_t),
 355         },
 356         {
 357                 .type = RTE_ACL_FIELD_TYPE_MASK,
 358                 .size = sizeof(uint32_t),
 359                 .field_index = SRC3_FIELD_IPV6,
 360                 .input_index = SRC3_FIELD_IPV6,
 361                 .offset = offsetof(struct ipv6_hdr, src_addr) -
 362                         offsetof(struct ipv6_hdr, proto) + 2 * sizeof(uint32_t),
 363         },
 364         {
 365                 .type = RTE_ACL_FIELD_TYPE_MASK,
 366                 .size = sizeof(uint32_t),
 367                 .field_index = SRC4_FIELD_IPV6,
 368                 .input_index = SRC4_FIELD_IPV6,
 369                 .offset = offsetof(struct ipv6_hdr, src_addr) -
 370                         offsetof(struct ipv6_hdr, proto) + 3 * sizeof(uint32_t),
 371         },
 372         {
 373                 .type = RTE_ACL_FIELD_TYPE_MASK,
 374                 .size = sizeof(uint32_t),
 375                 .field_index = DST1_FIELD_IPV6,
 376                 .input_index = DST1_FIELD_IPV6,
 377                 .offset = offsetof(struct ipv6_hdr, dst_addr)
 378                                 - offsetof(struct ipv6_hdr, proto),
 379         },
 380         {
 381                 .type = RTE_ACL_FIELD_TYPE_MASK,
 382                 .size = sizeof(uint32_t),
 383                 .field_index = DST2_FIELD_IPV6,
 384                 .input_index = DST2_FIELD_IPV6,
 385                 .offset = offsetof(struct ipv6_hdr, dst_addr) -
 386                         offsetof(struct ipv6_hdr, proto) + sizeof(uint32_t),
 387         },
 388         {
 389                 .type = RTE_ACL_FIELD_TYPE_MASK,
 390                 .size = sizeof(uint32_t),
 391                 .field_index = DST3_FIELD_IPV6,
 392                 .input_index = DST3_FIELD_IPV6,
 393                 .offset = offsetof(struct ipv6_hdr, dst_addr) -
 394                         offsetof(struct ipv6_hdr, proto) + 2 * sizeof(uint32_t),
 395         },
 396         {
 397                 .type = RTE_ACL_FIELD_TYPE_MASK,
 398                 .size = sizeof(uint32_t),
 399                 .field_index = DST4_FIELD_IPV6,
 400                 .input_index = DST4_FIELD_IPV6,
 401                 .offset = offsetof(struct ipv6_hdr, dst_addr) -
 402                         offsetof(struct ipv6_hdr, proto) + 3 * sizeof(uint32_t),
 403         },
 404         {
 405                 .type = RTE_ACL_FIELD_TYPE_RANGE,
 406                 .size = sizeof(uint16_t),
 407                 .field_index = SRCP_FIELD_IPV6,
 408                 .input_index = SRCP_FIELD_IPV6,
 409                 .offset = sizeof(struct ipv6_hdr) -
 410                         offsetof(struct ipv6_hdr, proto),
 411         },
 412         {
 413                 .type = RTE_ACL_FIELD_TYPE_RANGE,
 414                 .size = sizeof(uint16_t),
 415                 .field_index = DSTP_FIELD_IPV6,
 416                 .input_index = SRCP_FIELD_IPV6,
 417                 .offset = sizeof(struct ipv6_hdr) -
 418                         offsetof(struct ipv6_hdr, proto) + sizeof(uint16_t),
 419         },
 420 };
 421
 422 enum {
 423         CB_FLD_SRC_ADDR,
 424         CB_FLD_DST_ADDR,
 425         CB_FLD_SRC_PORT_LOW,
 426         CB_FLD_SRC_PORT_DLM,
 427         CB_FLD_SRC_PORT_HIGH,
 428         CB_FLD_DST_PORT_LOW,
 429         CB_FLD_DST_PORT_DLM,
 430         CB_FLD_DST_PORT_HIGH,
 431         CB_FLD_PROTO,
 432         CB_FLD_USERDATA,
 433         CB_FLD_NUM,
 434 };
 435
 436 RTE_ACL_RULE_DEF(acl4_rule, RTE_DIM(ipv4_defs));
 437 RTE_ACL_RULE_DEF(acl6_rule, RTE_DIM(ipv6_defs));
 438
 439 struct acl_search_t {
 440         const uint8_t *data_ipv4[MAX_PKT_BURST];
 441         struct rte_mbuf *m_ipv4[MAX_PKT_BURST];
 442         uint32_t res_ipv4[MAX_PKT_BURST];
 443         int num_ipv4;
 444
 445         const uint8_t *data_ipv6[MAX_PKT_BURST];
 446         struct rte_mbuf *m_ipv6[MAX_PKT_BURST];
 447         uint32_t res_ipv6[MAX_PKT_BURST];
 448         int num_ipv6;
 449 };
 450
 451 static struct {
 452         char mapped[NB_SOCKETS];
 453         struct rte_acl_ctx *acx_ipv4[NB_SOCKETS];
 454         struct rte_acl_ctx *acx_ipv6[NB_SOCKETS];
 455 #ifdef L3FWDACL_DEBUG
 456         struct acl4_rule *rule_ipv4;
 457         struct acl6_rule *rule_ipv6;
 458 #endif
 459 } acl_config;
 460
 461 static struct{
 462         const char *rule_ipv4_name;
 463         const char *rule_ipv6_name;
 464         int scalar;
 465 } parm_config;
 466
 467 const char cb_port_delim[] = ":";
 468
 469 static inline void
 470 print_one_ipv4_rule(struct acl4_rule *rule, int extra)
 471 {
 472         unsigned char a, b, c, d;
 473
 474         uint32_t_to_char(rule->field[SRC_FIELD_IPV4].value.u32,
 475                         &a, &b, &c, &d);
 476         printf("%hhu.%hhu.%hhu.%hhu/%u ", a, b, c, d,
 477                         rule->field[SRC_FIELD_IPV4].mask_range.u32);
 478         uint32_t_to_char(rule->field[DST_FIELD_IPV4].value.u32,
 479                         &a, &b, &c, &d);
 480         printf("%hhu.%hhu.%hhu.%hhu/%u ", a, b, c, d,
 481                         rule->field[DST_FIELD_IPV4].mask_range.u32);
 482         printf("%hu : %hu %hu : %hu 0x%hhx/0x%hhx ",
 483                 rule->field[SRCP_FIELD_IPV4].value.u16,
 484                 rule->field[SRCP_FIELD_IPV4].mask_range.u16,
 485                 rule->field[DSTP_FIELD_IPV4].value.u16,
 486                 rule->field[DSTP_FIELD_IPV4].mask_range.u16,
 487                 rule->field[PROTO_FIELD_IPV4].value.u8,
 488                 rule->field[PROTO_FIELD_IPV4].mask_range.u8);
 489         if (extra)
 490                 printf("0x%x-0x%x-0x%x ",
 491                         rule->data.category_mask,
 492                         rule->data.priority,
 493                         rule->data.userdata);
 494 }
 495
 496 static inline void
 497 print_one_ipv6_rule(struct acl6_rule *rule, int extra)
 498 {
 499         unsigned char a, b, c, d;
 500
 501         uint32_t_to_char(rule->field[SRC1_FIELD_IPV6].value.u32,
 502                 &a, &b, &c, &d);
 503         printf("%.2x%.2x:%.2x%.2x", a, b, c, d);
 504         uint32_t_to_char(rule->field[SRC2_FIELD_IPV6].value.u32,
 505                 &a, &b, &c, &d);
 506         printf(":%.2x%.2x:%.2x%.2x", a, b, c, d);
 507         uint32_t_to_char(rule->field[SRC3_FIELD_IPV6].value.u32,
 508                 &a, &b, &c, &d);
 509         printf(":%.2x%.2x:%.2x%.2x", a, b, c, d);
 510         uint32_t_to_char(rule->field[SRC4_FIELD_IPV6].value.u32,
 511                 &a, &b, &c, &d);
 512         printf(":%.2x%.2x:%.2x%.2x/%u ", a, b, c, d,
 513                         rule->field[SRC1_FIELD_IPV6].mask_range.u32
 514                         + rule->field[SRC2_FIELD_IPV6].mask_range.u32
 515                         + rule->field[SRC3_FIELD_IPV6].mask_range.u32
 516                         + rule->field[SRC4_FIELD_IPV6].mask_range.u32);
 517
 518         uint32_t_to_char(rule->field[DST1_FIELD_IPV6].value.u32,
 519                 &a, &b, &c, &d);
 520         printf("%.2x%.2x:%.2x%.2x", a, b, c, d);
 521         uint32_t_to_char(rule->field[DST2_FIELD_IPV6].value.u32,
 522                 &a, &b, &c, &d);
 523         printf(":%.2x%.2x:%.2x%.2x", a, b, c, d);
 524         uint32_t_to_char(rule->field[DST3_FIELD_IPV6].value.u32,
 525                 &a, &b, &c, &d);
 526         printf(":%.2x%.2x:%.2x%.2x", a, b, c, d);
 527         uint32_t_to_char(rule->field[DST4_FIELD_IPV6].value.u32,
 528                 &a, &b, &c, &d);
 529         printf(":%.2x%.2x:%.2x%.2x/%u ", a, b, c, d,
 530                         rule->field[DST1_FIELD_IPV6].mask_range.u32
 531                         + rule->field[DST2_FIELD_IPV6].mask_range.u32
 532                         + rule->field[DST3_FIELD_IPV6].mask_range.u32
 533                         + rule->field[DST4_FIELD_IPV6].mask_range.u32);
 534
 535         printf("%hu : %hu %hu : %hu 0x%hhx/0x%hhx ",
 536                 rule->field[SRCP_FIELD_IPV6].value.u16,
 537                 rule->field[SRCP_FIELD_IPV6].mask_range.u16,
 538                 rule->field[DSTP_FIELD_IPV6].value.u16,
 539                 rule->field[DSTP_FIELD_IPV6].mask_range.u16,
 540                 rule->field[PROTO_FIELD_IPV6].value.u8,
 541                 rule->field[PROTO_FIELD_IPV6].mask_range.u8);
 542         if (extra)
 543                 printf("0x%x-0x%x-0x%x ",
 544                         rule->data.category_mask,
 545                         rule->data.priority,
 546                         rule->data.userdata);
 547 }
 548
 549 /* Bypass comment and empty lines */
 550 static inline int
 551 is_bypass_line(char *buff)
 552 {
 553         int i = 0;
 554
 555         /* comment line */
 556         if (buff[0] == COMMENT_LEAD_CHAR)
 557                 return 1;
 558         /* empty line */
 559         while (buff[i] != '\0') {
 560                 if (!isspace(buff[i]))
 561                         return 0;
 562                 i++;
 563         }
 564         return 1;
 565 }
 566
 567 #ifdef L3FWDACL_DEBUG
 568 static inline void
 569 dump_acl4_rule(struct rte_mbuf *m, uint32_t sig)
 570 {
 571         uint32_t offset = sig & ~ACL_DENY_SIGNATURE;
 572         unsigned char a, b, c, d;
 573         struct ipv4_hdr *ipv4_hdr = (struct ipv4_hdr *)
 574                                         (rte_pktmbuf_mtod(m, unsigned char *) +
 575                                         sizeof(struct ether_hdr));
 576
 577         uint32_t_to_char(rte_bswap32(ipv4_hdr->src_addr), &a, &b, &c, &d);
 578         printf("Packet Src:%hhu.%hhu.%hhu.%hhu ", a, b, c, d);
 579         uint32_t_to_char(rte_bswap32(ipv4_hdr->dst_addr), &a, &b, &c, &d);
 580         printf("Dst:%hhu.%hhu.%hhu.%hhu ", a, b, c, d);
 581
 582         printf("Src port:%hu,Dst port:%hu ",
 583                         rte_bswap16(*(uint16_t *)(ipv4_hdr + 1)),
 584                         rte_bswap16(*((uint16_t *)(ipv4_hdr + 1) + 1)));
 585         printf("hit ACL %d - ", offset);
 586
 587         print_one_ipv4_rule(acl_config.rule_ipv4 + offset, 1);
 588
 589         printf("\n\n");
 590 }
 591
 592 static inline void
 593 dump_acl6_rule(struct rte_mbuf *m, uint32_t sig)
 594 {
 595         unsigned i;
 596         uint32_t offset = sig & ~ACL_DENY_SIGNATURE;
 597         struct ipv6_hdr *ipv6_hdr = (struct ipv6_hdr *)
 598                                         (rte_pktmbuf_mtod(m, unsigned char *) +
 599                                         sizeof(struct ether_hdr));
 600
 601         printf("Packet Src");
 602         for (i = 0; i < RTE_DIM(ipv6_hdr->src_addr); i += sizeof(uint16_t))
 603                 printf(":%.2x%.2x",
 604                         ipv6_hdr->src_addr[i], ipv6_hdr->src_addr[i + 1]);
 605
 606         printf("\nDst");
 607         for (i = 0; i < RTE_DIM(ipv6_hdr->dst_addr); i += sizeof(uint16_t))
 608                 printf(":%.2x%.2x",
 609                         ipv6_hdr->dst_addr[i], ipv6_hdr->dst_addr[i + 1]);
 610
 611         printf("\nSrc port:%hu,Dst port:%hu ",
 612                         rte_bswap16(*(uint16_t *)(ipv6_hdr + 1)),
 613                         rte_bswap16(*((uint16_t *)(ipv6_hdr + 1) + 1)));
 614         printf("hit ACL %d - ", offset);
 615
 616         print_one_ipv6_rule(acl_config.rule_ipv6 + offset, 1);
 617
 618         printf("\n\n");
 619 }
 620 #endif /* L3FWDACL_DEBUG */
 621
 622 static inline void
 623 dump_ipv4_rules(struct acl4_rule *rule, int num, int extra)
 624 {
 625         int i;
 626
 627         for (i = 0; i < num; i++, rule++) {
 628                 printf("\t%d:", i + 1);
 629                 print_one_ipv4_rule(rule, extra);
 630                 printf("\n");
 631         }
 632 }
 633
 634 static inline void
 635 dump_ipv6_rules(struct acl6_rule *rule, int num, int extra)
 636 {
 637         int i;
 638
 639         for (i = 0; i < num; i++, rule++) {
 640                 printf("\t%d:", i + 1);
 641                 print_one_ipv6_rule(rule, extra);
 642                 printf("\n");
 643         }
 644 }
 645
 646 #ifdef DO_RFC_1812_CHECKS
 647 static inline void
 648 prepare_one_packet(struct rte_mbuf **pkts_in, struct acl_search_t *acl,
 649         int index)
 650 {
 651         struct ipv4_hdr *ipv4_hdr;
 652         struct rte_mbuf *pkt = pkts_in[index];
 653
 654         int type = pkt->ol_flags & (PKT_RX_IPV4_HDR | PKT_RX_IPV6_HDR);
 655
 656         if (type == PKT_RX_IPV4_HDR) {
 657
 658                 ipv4_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(pkt,
 659                         unsigned char *) + sizeof(struct ether_hdr));
 660
 661                 /* Check to make sure the packet is valid (RFC1812) */
 662                 if (is_valid_ipv4_pkt(ipv4_hdr, pkt->pkt_len) >= 0) {
 663
 664                         /* Update time to live and header checksum */
 665                         --(ipv4_hdr->time_to_live);
 666                         ++(ipv4_hdr->hdr_checksum);
 667
 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 {
 673                         /* Not a valid IPv4 packet */
 674                         rte_pktmbuf_free(pkt);
 675                 }
 676
 677         } else if (type == PKT_RX_IPV6_HDR) {
 678
 679                 /* Fill acl structure */
 680                 acl->data_ipv6[acl->num_ipv6] = MBUF_IPV6_2PROTO(pkt);
 681                 acl->m_ipv6[(acl->num_ipv6)++] = pkt;
 682
 683         } else {
 684                 /* Unknown type, drop the packet */
 685                 rte_pktmbuf_free(pkt);
 686         }
 687 }
 688
 689 #else
 690 static inline void
 691 prepare_one_packet(struct rte_mbuf **pkts_in, struct acl_search_t *acl,
 692         int index)
 693 {
 694         struct rte_mbuf *pkt = pkts_in[index];
 695
 696         int type = pkt->ol_flags & (PKT_RX_IPV4_HDR | PKT_RX_IPV6_HDR);
 697
 698         if (type == PKT_RX_IPV4_HDR) {
 699
 700                 /* Fill acl structure */
 701                 acl->data_ipv4[acl->num_ipv4] = MBUF_IPV4_2PROTO(pkt);
 702                 acl->m_ipv4[(acl->num_ipv4)++] = pkt;
 703
 704
 705         } else if (type == PKT_RX_IPV6_HDR) {
 706
 707                 /* Fill acl structure */
 708                 acl->data_ipv6[acl->num_ipv6] = MBUF_IPV6_2PROTO(pkt);
 709                 acl->m_ipv6[(acl->num_ipv6)++] = pkt;
 710         } else {
 711                 /* Unknown type, drop the packet */
 712                 rte_pktmbuf_free(pkt);
 713         }
 714 }
 715 #endif /* DO_RFC_1812_CHECKS */
 716
 717 static inline void
 718 prepare_acl_parameter(struct rte_mbuf **pkts_in, struct acl_search_t *acl,
 719         int nb_rx)
 720 {
 721         int i;
 722
 723         acl->num_ipv4 = 0;
 724         acl->num_ipv6 = 0;
 725
 726         /* Prefetch first packets */
 727         for (i = 0; i < PREFETCH_OFFSET && i < nb_rx; i++) {
 728                 rte_prefetch0(rte_pktmbuf_mtod(
 729                                 pkts_in[i], void *));
 730         }
 731
 732         for (i = 0; i < (nb_rx - PREFETCH_OFFSET); i++) {
 733                 rte_prefetch0(rte_pktmbuf_mtod(pkts_in[
 734                                 i + PREFETCH_OFFSET], void *));
 735                 prepare_one_packet(pkts_in, acl, i);
 736         }
 737
 738         /* Process left packets */
 739         for (; i < nb_rx; i++)
 740                 prepare_one_packet(pkts_in, acl, i);
 741 }
 742
 743 static inline void
 744 send_one_packet(struct rte_mbuf *m, uint32_t res)
 745 {
 746         if (likely((res & ACL_DENY_SIGNATURE) == 0 && res != 0)) {
 747                 /* forward packets */
 748                 send_single_packet(m,
 749                         (uint8_t)(res - FWD_PORT_SHIFT));
 750         } else{
 751                 /* in the ACL list, drop it */
 752 #ifdef L3FWDACL_DEBUG
 753                 if ((res & ACL_DENY_SIGNATURE) != 0) {
 754                         if (m->ol_flags & PKT_RX_IPV4_HDR)
 755                                 dump_acl4_rule(m, res);
 756                         else
 757                                 dump_acl6_rule(m, res);
 758                 }
 759 #endif
 760                 rte_pktmbuf_free(m);
 761         }
 762 }
 763
 764
 765
 766 static inline void
 767 send_packets(struct rte_mbuf **m, uint32_t *res, int num)
 768 {
 769         int i;
 770
 771         /* Prefetch first packets */
 772         for (i = 0; i < PREFETCH_OFFSET && i < num; i++) {
 773                 rte_prefetch0(rte_pktmbuf_mtod(
 774                                 m[i], void *));
 775         }
 776
 777         for (i = 0; i < (num - PREFETCH_OFFSET); i++) {
 778                 rte_prefetch0(rte_pktmbuf_mtod(m[
 779                                 i + PREFETCH_OFFSET], void *));
 780                 send_one_packet(m[i], res[i]);
 781         }
 782
 783         /* Process left packets */
 784         for (; i < num; i++)
 785                 send_one_packet(m[i], res[i]);
 786 }
 787
 788 /*
 789  * Parses IPV6 address, exepcts the following format:
 790  * XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX (where X - is a hexedecimal digit).
 791  */
 792 static int
 793 parse_ipv6_addr(const char *in, const char **end, uint32_t v[IPV6_ADDR_U32],
 794         char dlm)
 795 {
 796         uint32_t addr[IPV6_ADDR_U16];
 797
 798         GET_CB_FIELD(in, addr[0], 16, UINT16_MAX, ':');
 799         GET_CB_FIELD(in, addr[1], 16, UINT16_MAX, ':');
 800         GET_CB_FIELD(in, addr[2], 16, UINT16_MAX, ':');
 801         GET_CB_FIELD(in, addr[3], 16, UINT16_MAX, ':');
 802         GET_CB_FIELD(in, addr[4], 16, UINT16_MAX, ':');
 803         GET_CB_FIELD(in, addr[5], 16, UINT16_MAX, ':');
 804         GET_CB_FIELD(in, addr[6], 16, UINT16_MAX, ':');
 805         GET_CB_FIELD(in, addr[7], 16, UINT16_MAX, dlm);
 806
 807         *end = in;
 808
 809         v[0] = (addr[0] << 16) + addr[1];
 810         v[1] = (addr[2] << 16) + addr[3];
 811         v[2] = (addr[4] << 16) + addr[5];
 812         v[3] = (addr[6] << 16) + addr[7];
 813
 814         return 0;
 815 }
 816
 817 static int
 818 parse_ipv6_net(const char *in, struct rte_acl_field field[4])
 819 {
 820         int32_t rc;
 821         const char *mp;
 822         uint32_t i, m, v[4];
 823         const uint32_t nbu32 = sizeof(uint32_t) * CHAR_BIT;
 824
 825         /* get address. */
 826         rc = parse_ipv6_addr(in, &mp, v, '/');
 827         if (rc != 0)
 828                 return rc;
 829
 830         /* get mask. */
 831         GET_CB_FIELD(mp, m, 0, CHAR_BIT * sizeof(v), 0);
 832
 833         /* put all together. */
 834         for (i = 0; i != RTE_DIM(v); i++) {
 835                 if (m >= (i + 1) * nbu32)
 836                         field[i].mask_range.u32 = nbu32;
 837                 else
 838                         field[i].mask_range.u32 = m > (i * nbu32) ?
 839                                 m - (i * 32) : 0;
 840
 841                 field[i].value.u32 = v[i];
 842         }
 843
 844         return 0;
 845 }
 846
 847 static int
 848 parse_cb_ipv6_rule(char *str, struct rte_acl_rule *v, int has_userdata)
 849 {
 850         int i, rc;
 851         char *s, *sp, *in[CB_FLD_NUM];
 852         static const char *dlm = " \t\n";
 853         int dim = has_userdata ? CB_FLD_NUM : CB_FLD_USERDATA;
 854         s = str;
 855
 856         for (i = 0; i != dim; i++, s = NULL) {
 857                 in[i] = strtok_r(s, dlm, &sp);
 858                 if (in[i] == NULL)
 859                         return -EINVAL;
 860         }
 861
 862         rc = parse_ipv6_net(in[CB_FLD_SRC_ADDR], v->field + SRC1_FIELD_IPV6);
 863         if (rc != 0) {
 864                 acl_log("failed to read source address/mask: %s\n",
 865                         in[CB_FLD_SRC_ADDR]);
 866                 return rc;
 867         }
 868
 869         rc = parse_ipv6_net(in[CB_FLD_DST_ADDR], v->field + DST1_FIELD_IPV6);
 870         if (rc != 0) {
 871                 acl_log("failed to read destination address/mask: %s\n",
 872                         in[CB_FLD_DST_ADDR]);
 873                 return rc;
 874         }
 875
 876         /* source port. */
 877         GET_CB_FIELD(in[CB_FLD_SRC_PORT_LOW],
 878                 v->field[SRCP_FIELD_IPV6].value.u16,
 879                 0, UINT16_MAX, 0);
 880         GET_CB_FIELD(in[CB_FLD_SRC_PORT_HIGH],
 881                 v->field[SRCP_FIELD_IPV6].mask_range.u16,
 882                 0, UINT16_MAX, 0);
 883
 884         if (strncmp(in[CB_FLD_SRC_PORT_DLM], cb_port_delim,
 885                         sizeof(cb_port_delim)) != 0)
 886                 return -EINVAL;
 887
 888         /* destination port. */
 889         GET_CB_FIELD(in[CB_FLD_DST_PORT_LOW],
 890                 v->field[DSTP_FIELD_IPV6].value.u16,
 891                 0, UINT16_MAX, 0);
 892         GET_CB_FIELD(in[CB_FLD_DST_PORT_HIGH],
 893                 v->field[DSTP_FIELD_IPV6].mask_range.u16,
 894                 0, UINT16_MAX, 0);
 895
 896         if (strncmp(in[CB_FLD_DST_PORT_DLM], cb_port_delim,
 897                         sizeof(cb_port_delim)) != 0)
 898                 return -EINVAL;
 899
 900         if (v->field[SRCP_FIELD_IPV6].mask_range.u16
 901                         < v->field[SRCP_FIELD_IPV6].value.u16
 902                         || v->field[DSTP_FIELD_IPV6].mask_range.u16
 903                         < v->field[DSTP_FIELD_IPV6].value.u16)
 904                 return -EINVAL;
 905
 906         GET_CB_FIELD(in[CB_FLD_PROTO], v->field[PROTO_FIELD_IPV6].value.u8,
 907                 0, UINT8_MAX, '/');
 908         GET_CB_FIELD(in[CB_FLD_PROTO], v->field[PROTO_FIELD_IPV6].mask_range.u8,
 909                 0, UINT8_MAX, 0);
 910
 911         if (has_userdata)
 912                 GET_CB_FIELD(in[CB_FLD_USERDATA], v->data.userdata,
 913                         0, UINT32_MAX, 0);
 914
 915         return 0;
 916 }
 917
 918 /*
 919  * Parse ClassBench rules file.
 920  * Expected format:
 921  * '@'<src_ipv4_addr>'/'<masklen> <space> \
 922  * <dst_ipv4_addr>'/'<masklen> <space> \
 923  * <src_port_low> <space> ":" <src_port_high> <space> \
 924  * <dst_port_low> <space> ":" <dst_port_high> <space> \
 925  * <proto>'/'<mask>
 926  */
 927 static int
 928 parse_ipv4_net(const char *in, uint32_t *addr, uint32_t *mask_len)
 929 {
 930         uint8_t a, b, c, d, m;
 931
 932         GET_CB_FIELD(in, a, 0, UINT8_MAX, '.');
 933         GET_CB_FIELD(in, b, 0, UINT8_MAX, '.');
 934         GET_CB_FIELD(in, c, 0, UINT8_MAX, '.');
 935         GET_CB_FIELD(in, d, 0, UINT8_MAX, '/');
 936         GET_CB_FIELD(in, m, 0, sizeof(uint32_t) * CHAR_BIT, 0);
 937
 938         addr[0] = IPv4(a, b, c, d);
 939         mask_len[0] = m;
 940
 941         return 0;
 942 }
 943
 944 static int
 945 parse_cb_ipv4vlan_rule(char *str, struct rte_acl_rule *v, int has_userdata)
 946 {
 947         int i, rc;
 948         char *s, *sp, *in[CB_FLD_NUM];
 949         static const char *dlm = " \t\n";
 950         int dim = has_userdata ? CB_FLD_NUM : CB_FLD_USERDATA;
 951         s = str;
 952
 953         for (i = 0; i != dim; i++, s = NULL) {
 954                 in[i] = strtok_r(s, dlm, &sp);
 955                 if (in[i] == NULL)
 956                         return -EINVAL;
 957         }
 958
 959         rc = parse_ipv4_net(in[CB_FLD_SRC_ADDR],
 960                         &v->field[SRC_FIELD_IPV4].value.u32,
 961                         &v->field[SRC_FIELD_IPV4].mask_range.u32);
 962         if (rc != 0) {
 963                         acl_log("failed to read source address/mask: %s\n",
 964                         in[CB_FLD_SRC_ADDR]);
 965                 return rc;
 966         }
 967
 968         rc = parse_ipv4_net(in[CB_FLD_DST_ADDR],
 969                         &v->field[DST_FIELD_IPV4].value.u32,
 970                         &v->field[DST_FIELD_IPV4].mask_range.u32);
 971         if (rc != 0) {
 972                 acl_log("failed to read destination address/mask: %s\n",
 973                         in[CB_FLD_DST_ADDR]);
 974                 return rc;
 975         }
 976
 977         GET_CB_FIELD(in[CB_FLD_SRC_PORT_LOW],
 978                 v->field[SRCP_FIELD_IPV4].value.u16,
 979                 0, UINT16_MAX, 0);
 980         GET_CB_FIELD(in[CB_FLD_SRC_PORT_HIGH],
 981                 v->field[SRCP_FIELD_IPV4].mask_range.u16,
 982                 0, UINT16_MAX, 0);
 983
 984         if (strncmp(in[CB_FLD_SRC_PORT_DLM], cb_port_delim,
 985                         sizeof(cb_port_delim)) != 0)
 986                 return -EINVAL;
 987
 988         GET_CB_FIELD(in[CB_FLD_DST_PORT_LOW],
 989                 v->field[DSTP_FIELD_IPV4].value.u16,
 990                 0, UINT16_MAX, 0);
 991         GET_CB_FIELD(in[CB_FLD_DST_PORT_HIGH],
 992                 v->field[DSTP_FIELD_IPV4].mask_range.u16,
 993                 0, UINT16_MAX, 0);
 994
 995         if (strncmp(in[CB_FLD_DST_PORT_DLM], cb_port_delim,
 996                         sizeof(cb_port_delim)) != 0)
 997                 return -EINVAL;
 998
 999         if (v->field[SRCP_FIELD_IPV4].mask_range.u16
1000                         < v->field[SRCP_FIELD_IPV4].value.u16
1001                         || v->field[DSTP_FIELD_IPV4].mask_range.u16
1002                         < v->field[DSTP_FIELD_IPV4].value.u16)
1003                 return -EINVAL;
1004
1005         GET_CB_FIELD(in[CB_FLD_PROTO], v->field[PROTO_FIELD_IPV4].value.u8,
1006                 0, UINT8_MAX, '/');
1007         GET_CB_FIELD(in[CB_FLD_PROTO], v->field[PROTO_FIELD_IPV4].mask_range.u8,
1008                 0, UINT8_MAX, 0);
1009
1010         if (has_userdata)
1011                 GET_CB_FIELD(in[CB_FLD_USERDATA], v->data.userdata, 0,
1012                         UINT32_MAX, 0);
1013
1014         return 0;
1015 }
1016
1017 static int
1018 add_rules(const char *rule_path,
1019                 struct rte_acl_rule **proute_base,
1020                 unsigned int *proute_num,
1021                 struct rte_acl_rule **pacl_base,
1022                 unsigned int *pacl_num, uint32_t rule_size,
1023                 int (*parser)(char *, struct rte_acl_rule*, int))
1024 {
1025         uint8_t *acl_rules, *route_rules;
1026         struct rte_acl_rule *next;
1027         unsigned int acl_num = 0, route_num = 0, total_num = 0;
1028         unsigned int acl_cnt = 0, route_cnt = 0;
1029         char buff[LINE_MAX];
1030         FILE *fh = fopen(rule_path, "rb");
1031         unsigned int i = 0;
1032
1033         if (fh == NULL)
1034                 rte_exit(EXIT_FAILURE, "%s: Open %s failed\n", __func__,
1035                         rule_path);
1036
1037         while ((fgets(buff, LINE_MAX, fh) != NULL)) {
1038                 if (buff[0] == ROUTE_LEAD_CHAR)
1039                         route_num++;
1040                 else if (buff[0] == ACL_LEAD_CHAR)
1041                         acl_num++;
1042         }
1043
1044         if (0 == route_num)
1045                 rte_exit(EXIT_FAILURE, "Not find any route entries in %s!\n",
1046                                 rule_path);
1047
1048         fseek(fh, 0, SEEK_SET);
1049
1050         acl_rules = (uint8_t *)calloc(acl_num, rule_size);
1051
1052         if (NULL == acl_rules)
1053                 rte_exit(EXIT_FAILURE, "%s: failed to malloc memory\n",
1054                         __func__);
1055
1056         route_rules = (uint8_t *)calloc(route_num, rule_size);
1057
1058         if (NULL == route_rules)
1059                 rte_exit(EXIT_FAILURE, "%s: failed to malloc memory\n",
1060                         __func__);
1061
1062         i = 0;
1063         while (fgets(buff, LINE_MAX, fh) != NULL) {
1064                 i++;
1065
1066                 if (is_bypass_line(buff))
1067                         continue;
1068
1069                 char s = buff[0];
1070
1071                 /* Route entry */
1072                 if (s == ROUTE_LEAD_CHAR)
1073                         next = (struct rte_acl_rule *)(route_rules +
1074                                 route_cnt * rule_size);
1075
1076                 /* ACL entry */
1077                 else if (s == ACL_LEAD_CHAR)
1078                         next = (struct rte_acl_rule *)(acl_rules +
1079                                 acl_cnt * rule_size);
1080
1081                 /* Illegal line */
1082                 else
1083                         rte_exit(EXIT_FAILURE,
1084                                 "%s Line %u: should start with leading "
1085                                 "char %c or %c\n",
1086                                 rule_path, i, ROUTE_LEAD_CHAR, ACL_LEAD_CHAR);
1087
1088                 if (parser(buff + 1, next, s == ROUTE_LEAD_CHAR) != 0)
1089                         rte_exit(EXIT_FAILURE,
1090                                 "%s Line %u: parse rules error\n",
1091                                 rule_path, i);
1092
1093                 if (s == ROUTE_LEAD_CHAR) {
1094                         /* Check the forwarding port number */
1095                         if ((enabled_port_mask & (1 << next->data.userdata)) ==
1096                                         0)
1097                                 rte_exit(EXIT_FAILURE,
1098                                         "%s Line %u: fwd number illegal:%u\n",
1099                                         rule_path, i, next->data.userdata);
1100                         next->data.userdata += FWD_PORT_SHIFT;
1101                         route_cnt++;
1102                 } else {
1103                         next->data.userdata = ACL_DENY_SIGNATURE + acl_cnt;
1104                         acl_cnt++;
1105                 }
1106
1107                 next->data.priority = RTE_ACL_MAX_PRIORITY - total_num;
1108                 next->data.category_mask = -1;
1109                 total_num++;
1110         }
1111
1112         fclose(fh);
1113
1114         *pacl_base = (struct rte_acl_rule *)acl_rules;
1115         *pacl_num = acl_num;
1116         *proute_base = (struct rte_acl_rule *)route_rules;
1117         *proute_num = route_cnt;
1118
1119         return 0;
1120 }
1121
1122 static void
1123 dump_acl_config(void)
1124 {
1125         printf("ACL option are:\n");
1126         printf(OPTION_RULE_IPV4": %s\n", parm_config.rule_ipv4_name);
1127         printf(OPTION_RULE_IPV6": %s\n", parm_config.rule_ipv6_name);
1128         printf(OPTION_SCALAR": %d\n", parm_config.scalar);
1129 }
1130
1131 static int
1132 check_acl_config(void)
1133 {
1134         if (parm_config.rule_ipv4_name == NULL) {
1135                 acl_log("ACL IPv4 rule file not specified\n");
1136                 return -1;
1137         } else if (parm_config.rule_ipv6_name == NULL) {
1138                 acl_log("ACL IPv6 rule file not specified\n");
1139                 return -1;
1140         }
1141
1142         return 0;
1143 }
1144
1145 static struct rte_acl_ctx*
1146 setup_acl(struct rte_acl_rule *route_base,
1147                 struct rte_acl_rule *acl_base, unsigned int route_num,
1148                 unsigned int acl_num, int ipv6, int socketid)
1149 {
1150         char name[PATH_MAX];
1151         struct rte_acl_param acl_param;
1152         struct rte_acl_config acl_build_param;
1153         struct rte_acl_ctx *context;
1154         int dim = ipv6 ? RTE_DIM(ipv6_defs) : RTE_DIM(ipv4_defs);
1155
1156         /* Create ACL contexts */
1157         snprintf(name, sizeof(name), "%s%d",
1158                         ipv6 ? L3FWD_ACL_IPV6_NAME : L3FWD_ACL_IPV4_NAME,
1159                         socketid);
1160
1161         acl_param.name = name;
1162         acl_param.socket_id = socketid;
1163         acl_param.rule_size = RTE_ACL_RULE_SZ(dim);
1164         acl_param.max_rule_num = MAX_ACL_RULE_NUM;
1165
1166         if ((context = rte_acl_create(&acl_param)) == NULL)
1167                 rte_exit(EXIT_FAILURE, "Failed to create ACL context\n");
1168
1169         if (parm_config.scalar && rte_acl_set_ctx_classify(context,
1170                         RTE_ACL_CLASSIFY_SCALAR) != 0)
1171                 rte_exit(EXIT_FAILURE,
1172                         "Failed to setup classify method for  ACL context\n");
1173
1174         if (rte_acl_add_rules(context, route_base, route_num) < 0)
1175                         rte_exit(EXIT_FAILURE, "add rules failed\n");
1176
1177         if (rte_acl_add_rules(context, acl_base, acl_num) < 0)
1178                         rte_exit(EXIT_FAILURE, "add rules failed\n");
1179
1180         /* Perform builds */
1181         acl_build_param.num_categories = DEFAULT_MAX_CATEGORIES;
1182
1183         acl_build_param.num_fields = dim;
1184         memcpy(&acl_build_param.defs, ipv6 ? ipv6_defs : ipv4_defs,
1185                 ipv6 ? sizeof(ipv6_defs) : sizeof(ipv4_defs));
1186
1187         if (rte_acl_build(context, &acl_build_param) != 0)
1188                 rte_exit(EXIT_FAILURE, "Failed to build ACL trie\n");
1189
1190         rte_acl_dump(context);
1191
1192         return context;
1193 }
1194
1195 static int
1196 app_acl_init(void)
1197 {
1198         unsigned lcore_id;
1199         unsigned int i;
1200         int socketid;
1201         struct rte_acl_rule *acl_base_ipv4, *route_base_ipv4,
1202                 *acl_base_ipv6, *route_base_ipv6;
1203         unsigned int acl_num_ipv4 = 0, route_num_ipv4 = 0,
1204                 acl_num_ipv6 = 0, route_num_ipv6 = 0;
1205
1206         if (check_acl_config() != 0)
1207                 rte_exit(EXIT_FAILURE, "Failed to get valid ACL options\n");
1208
1209         dump_acl_config();
1210
1211         /* Load  rules from the input file */
1212         if (add_rules(parm_config.rule_ipv4_name, &route_base_ipv4,
1213                         &route_num_ipv4, &acl_base_ipv4, &acl_num_ipv4,
1214                         sizeof(struct acl4_rule), &parse_cb_ipv4vlan_rule) < 0)
1215                 rte_exit(EXIT_FAILURE, "Failed to add rules\n");
1216
1217         acl_log("IPv4 Route entries %u:\n", route_num_ipv4);
1218         dump_ipv4_rules((struct acl4_rule *)route_base_ipv4, route_num_ipv4, 1);
1219
1220         acl_log("IPv4 ACL entries %u:\n", acl_num_ipv4);
1221         dump_ipv4_rules((struct acl4_rule *)acl_base_ipv4, acl_num_ipv4, 1);
1222
1223         if (add_rules(parm_config.rule_ipv6_name, &route_base_ipv6,
1224                         &route_num_ipv6,
1225                         &acl_base_ipv6, &acl_num_ipv6,
1226                         sizeof(struct acl6_rule), &parse_cb_ipv6_rule) < 0)
1227                 rte_exit(EXIT_FAILURE, "Failed to add rules\n");
1228
1229         acl_log("IPv6 Route entries %u:\n", route_num_ipv6);
1230         dump_ipv6_rules((struct acl6_rule *)route_base_ipv6, route_num_ipv6, 1);
1231
1232         acl_log("IPv6 ACL entries %u:\n", acl_num_ipv6);
1233         dump_ipv6_rules((struct acl6_rule *)acl_base_ipv6, acl_num_ipv6, 1);
1234
1235         memset(&acl_config, 0, sizeof(acl_config));
1236
1237         /* Check sockets a context should be created on */
1238         if (!numa_on)
1239                 acl_config.mapped[0] = 1;
1240         else {
1241                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1242                         if (rte_lcore_is_enabled(lcore_id) == 0)
1243                                 continue;
1244
1245                         socketid = rte_lcore_to_socket_id(lcore_id);
1246                         if (socketid >= NB_SOCKETS) {
1247                                 acl_log("Socket %d of lcore %u is out "
1248                                         "of range %d\n",
1249                                         socketid, lcore_id, NB_SOCKETS);
1250                                 free(route_base_ipv4);
1251                                 free(route_base_ipv6);
1252                                 free(acl_base_ipv4);
1253                                 free(acl_base_ipv6);
1254                                 return -1;
1255                         }
1256
1257                         acl_config.mapped[socketid] = 1;
1258                 }
1259         }
1260
1261         for (i = 0; i < NB_SOCKETS; i++) {
1262                 if (acl_config.mapped[i]) {
1263                         acl_config.acx_ipv4[i] = setup_acl(route_base_ipv4,
1264                                 acl_base_ipv4, route_num_ipv4, acl_num_ipv4,
1265                                 0, i);
1266
1267                         acl_config.acx_ipv6[i] = setup_acl(route_base_ipv6,
1268                                 acl_base_ipv6, route_num_ipv6, acl_num_ipv6,
1269                                 1, i);
1270                 }
1271         }
1272
1273         free(route_base_ipv4);
1274         free(route_base_ipv6);
1275
1276 #ifdef L3FWDACL_DEBUG
1277         acl_config.rule_ipv4 = (struct acl4_rule *)acl_base_ipv4;
1278         acl_config.rule_ipv6 = (struct acl6_rule *)acl_base_ipv6;
1279 #else
1280         free(acl_base_ipv4);
1281         free(acl_base_ipv6);
1282 #endif
1283
1284         return 0;
1285 }
1286
1287 /***********************end of ACL part******************************/
1288
1289 struct lcore_conf {
1290         uint16_t n_rx_queue;
1291         struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
1292         uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
1293         struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
1294 } __rte_cache_aligned;
1295
1296 static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
1297
1298 /* Send burst of packets on an output interface */
1299 static inline int
1300 send_burst(struct lcore_conf *qconf, uint16_t n, uint8_t port)
1301 {
1302         struct rte_mbuf **m_table;
1303         int ret;
1304         uint16_t queueid;
1305
1306         queueid = qconf->tx_queue_id[port];
1307         m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
1308
1309         ret = rte_eth_tx_burst(port, queueid, m_table, n);
1310         if (unlikely(ret < n)) {
1311                 do {
1312                         rte_pktmbuf_free(m_table[ret]);
1313                 } while (++ret < n);
1314         }
1315
1316         return 0;
1317 }
1318
1319 /* Enqueue a single packet, and send burst if queue is filled */
1320 static inline int
1321 send_single_packet(struct rte_mbuf *m, uint8_t port)
1322 {
1323         uint32_t lcore_id;
1324         uint16_t len;
1325         struct lcore_conf *qconf;
1326
1327         lcore_id = rte_lcore_id();
1328
1329         qconf = &lcore_conf[lcore_id];
1330         len = qconf->tx_mbufs[port].len;
1331         qconf->tx_mbufs[port].m_table[len] = m;
1332         len++;
1333
1334         /* enough pkts to be sent */
1335         if (unlikely(len == MAX_PKT_BURST)) {
1336                 send_burst(qconf, MAX_PKT_BURST, port);
1337                 len = 0;
1338         }
1339
1340         qconf->tx_mbufs[port].len = len;
1341         return 0;
1342 }
1343
1344 #ifdef DO_RFC_1812_CHECKS
1345 static inline int
1346 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
1347 {
1348         /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
1349         /*
1350          * 1. The packet length reported by the Link Layer must be large
1351          * enough to hold the minimum length legal IP datagram (20 bytes).
1352          */
1353         if (link_len < sizeof(struct ipv4_hdr))
1354                 return -1;
1355
1356         /* 2. The IP checksum must be correct. */
1357         /* this is checked in H/W */
1358
1359         /*
1360          * 3. The IP version number must be 4. If the version number is not 4
1361          * then the packet may be another version of IP, such as IPng or
1362          * ST-II.
1363          */
1364         if (((pkt->version_ihl) >> 4) != 4)
1365                 return -3;
1366         /*
1367          * 4. The IP header length field must be large enough to hold the
1368          * minimum length legal IP datagram (20 bytes = 5 words).
1369          */
1370         if ((pkt->version_ihl & 0xf) < 5)
1371                 return -4;
1372
1373         /*
1374          * 5. The IP total length field must be large enough to hold the IP
1375          * datagram header, whose length is specified in the IP header length
1376          * field.
1377          */
1378         if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
1379                 return -5;
1380
1381         return 0;
1382 }
1383 #endif
1384
1385 /* main processing loop */
1386 static int
1387 main_loop(__attribute__((unused)) void *dummy)
1388 {
1389         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
1390         unsigned lcore_id;
1391         uint64_t prev_tsc, diff_tsc, cur_tsc;
1392         int i, nb_rx;
1393         uint8_t portid, queueid;
1394         struct lcore_conf *qconf;
1395         int socketid;
1396         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1)
1397                         / US_PER_S * BURST_TX_DRAIN_US;
1398
1399         prev_tsc = 0;
1400         lcore_id = rte_lcore_id();
1401         qconf = &lcore_conf[lcore_id];
1402         socketid = rte_lcore_to_socket_id(lcore_id);
1403
1404         if (qconf->n_rx_queue == 0) {
1405                 RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id);
1406                 return 0;
1407         }
1408
1409         RTE_LOG(INFO, L3FWD, "entering main loop on lcore %u\n", lcore_id);
1410
1411         for (i = 0; i < qconf->n_rx_queue; i++) {
1412
1413                 portid = qconf->rx_queue_list[i].port_id;
1414                 queueid = qconf->rx_queue_list[i].queue_id;
1415                 RTE_LOG(INFO, L3FWD,
1416                         " -- lcoreid=%u portid=%hhu rxqueueid=%hhu\n",
1417                         lcore_id, portid, queueid);
1418         }
1419
1420         while (1) {
1421
1422                 cur_tsc = rte_rdtsc();
1423
1424                 /*
1425                  * TX burst queue drain
1426                  */
1427                 diff_tsc = cur_tsc - prev_tsc;
1428                 if (unlikely(diff_tsc > drain_tsc)) {
1429
1430                         /*
1431                          * This could be optimized (use queueid instead of
1432                          * portid), but it is not called so often
1433                          */
1434                         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
1435                                 if (qconf->tx_mbufs[portid].len == 0)
1436                                         continue;
1437                                 send_burst(&lcore_conf[lcore_id],
1438                                         qconf->tx_mbufs[portid].len,
1439                                         portid);
1440                                 qconf->tx_mbufs[portid].len = 0;
1441                         }
1442
1443                         prev_tsc = cur_tsc;
1444                 }
1445
1446                 /*
1447                  * Read packet from RX queues
1448                  */
1449                 for (i = 0; i < qconf->n_rx_queue; ++i) {
1450
1451                         portid = qconf->rx_queue_list[i].port_id;
1452                         queueid = qconf->rx_queue_list[i].queue_id;
1453                         nb_rx = rte_eth_rx_burst(portid, queueid,
1454                                 pkts_burst, MAX_PKT_BURST);
1455
1456                         if (nb_rx > 0) {
1457                                 struct acl_search_t acl_search;
1458
1459                                 prepare_acl_parameter(pkts_burst, &acl_search,
1460                                         nb_rx);
1461
1462                                 if (acl_search.num_ipv4) {
1463                                         rte_acl_classify(
1464                                                 acl_config.acx_ipv4[socketid],
1465                                                 acl_search.data_ipv4,
1466                                                 acl_search.res_ipv4,
1467                                                 acl_search.num_ipv4,
1468                                                 DEFAULT_MAX_CATEGORIES);
1469
1470                                         send_packets(acl_search.m_ipv4,
1471                                                 acl_search.res_ipv4,
1472                                                 acl_search.num_ipv4);
1473                                 }
1474
1475                                 if (acl_search.num_ipv6) {
1476                                         rte_acl_classify(
1477                                                 acl_config.acx_ipv6[socketid],
1478                                                 acl_search.data_ipv6,
1479                                                 acl_search.res_ipv6,
1480                                                 acl_search.num_ipv6,
1481                                                 DEFAULT_MAX_CATEGORIES);
1482
1483                                         send_packets(acl_search.m_ipv6,
1484                                                 acl_search.res_ipv6,
1485                                                 acl_search.num_ipv6);
1486                                 }
1487                         }
1488                 }
1489         }
1490 }
1491
1492 static int
1493 check_lcore_params(void)
1494 {
1495         uint8_t queue, lcore;
1496         uint16_t i;
1497         int socketid;
1498
1499         for (i = 0; i < nb_lcore_params; ++i) {
1500                 queue = lcore_params[i].queue_id;
1501                 if (queue >= MAX_RX_QUEUE_PER_PORT) {
1502                         printf("invalid queue number: %hhu\n", queue);
1503                         return -1;
1504                 }
1505                 lcore = lcore_params[i].lcore_id;
1506                 if (!rte_lcore_is_enabled(lcore)) {
1507                         printf("error: lcore %hhu is not enabled in "
1508                                 "lcore mask\n", lcore);
1509                         return -1;
1510                 }
1511                 socketid = rte_lcore_to_socket_id(lcore);
1512                 if (socketid != 0 && numa_on == 0) {
1513                         printf("warning: lcore %hhu is on socket %d "
1514                                 "with numa off\n",
1515                                 lcore, socketid);
1516                 }
1517         }
1518         return 0;
1519 }
1520
1521 static int
1522 check_port_config(const unsigned nb_ports)
1523 {
1524         unsigned portid;
1525         uint16_t i;
1526
1527         for (i = 0; i < nb_lcore_params; ++i) {
1528                 portid = lcore_params[i].port_id;
1529
1530                 if ((enabled_port_mask & (1 << portid)) == 0) {
1531                         printf("port %u is not enabled in port mask\n", portid);
1532                         return -1;
1533                 }
1534                 if (portid >= nb_ports) {
1535                         printf("port %u is not present on the board\n", portid);
1536                         return -1;
1537                 }
1538         }
1539         return 0;
1540 }
1541
1542 static uint8_t
1543 get_port_n_rx_queues(const uint8_t port)
1544 {
1545         int queue = -1;
1546         uint16_t i;
1547
1548         for (i = 0; i < nb_lcore_params; ++i) {
1549                 if (lcore_params[i].port_id == port &&
1550                                 lcore_params[i].queue_id > queue)
1551                         queue = lcore_params[i].queue_id;
1552         }
1553         return (uint8_t)(++queue);
1554 }
1555
1556 static int
1557 init_lcore_rx_queues(void)
1558 {
1559         uint16_t i, nb_rx_queue;
1560         uint8_t lcore;
1561
1562         for (i = 0; i < nb_lcore_params; ++i) {
1563                 lcore = lcore_params[i].lcore_id;
1564                 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1565                 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1566                         printf("error: too many queues (%u) for lcore: %u\n",
1567                                 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1568                         return -1;
1569                 } else {
1570                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1571                                 lcore_params[i].port_id;
1572                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1573                                 lcore_params[i].queue_id;
1574                         lcore_conf[lcore].n_rx_queue++;
1575                 }
1576         }
1577         return 0;
1578 }
1579
1580 /* display usage */
1581 static void
1582 print_usage(const char *prgname)
1583 {
1584         printf("%s [EAL options] -- -p PORTMASK -P"
1585                 "--"OPTION_RULE_IPV4"=FILE"
1586                 "--"OPTION_RULE_IPV6"=FILE"
1587                 "  [--"OPTION_CONFIG" (port,queue,lcore)[,(port,queue,lcore]]"
1588                 "  [--"OPTION_ENBJMO" [--max-pkt-len PKTLEN]]\n"
1589                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1590                 "  -P : enable promiscuous mode\n"
1591                 "  --"OPTION_CONFIG": (port,queue,lcore): "
1592                 "rx queues configuration\n"
1593                 "  --"OPTION_NONUMA": optional, disable numa awareness\n"
1594                 "  --"OPTION_ENBJMO": enable jumbo frame"
1595                 " which max packet len is PKTLEN in decimal (64-9600)\n"
1596                 "  --"OPTION_RULE_IPV4"=FILE: specify the ipv4 rules entries "
1597                 "file. "
1598                 "Each rule occupy one line. "
1599                 "2 kinds of rules are supported. "
1600                 "One is ACL entry at while line leads with character '%c', "
1601                 "another is route entry at while line leads with "
1602                 "character '%c'.\n"
1603                 "  --"OPTION_RULE_IPV6"=FILE: specify the ipv6 rules "
1604                 "entries file.\n"
1605                 "  --"OPTION_SCALAR": Use scalar function to do lookup\n",
1606                 prgname, ACL_LEAD_CHAR, ROUTE_LEAD_CHAR);
1607 }
1608
1609 static int
1610 parse_max_pkt_len(const char *pktlen)
1611 {
1612         char *end = NULL;
1613         unsigned long len;
1614
1615         /* parse decimal string */
1616         len = strtoul(pktlen, &end, 10);
1617         if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1618                 return -1;
1619
1620         if (len == 0)
1621                 return -1;
1622
1623         return len;
1624 }
1625
1626 static int
1627 parse_portmask(const char *portmask)
1628 {
1629         char *end = NULL;
1630         unsigned long pm;
1631
1632         /* parse hexadecimal string */
1633         pm = strtoul(portmask, &end, 16);
1634         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1635                 return -1;
1636
1637         if (pm == 0)
1638                 return -1;
1639
1640         return pm;
1641 }
1642
1643 static int
1644 parse_config(const char *q_arg)
1645 {
1646         char s[256];
1647         const char *p, *p0 = q_arg;
1648         char *end;
1649         enum fieldnames {
1650                 FLD_PORT = 0,
1651                 FLD_QUEUE,
1652                 FLD_LCORE,
1653                 _NUM_FLD
1654         };
1655         unsigned long int_fld[_NUM_FLD];
1656         char *str_fld[_NUM_FLD];
1657         int i;
1658         unsigned size;
1659
1660         nb_lcore_params = 0;
1661
1662         while ((p = strchr(p0, '(')) != NULL) {
1663                 ++p;
1664                 if ((p0 = strchr(p, ')')) == NULL)
1665                         return -1;
1666
1667                 size = p0 - p;
1668                 if (size >= sizeof(s))
1669                         return -1;
1670
1671                 snprintf(s, sizeof(s), "%.*s", size, p);
1672                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1673                                 _NUM_FLD)
1674                         return -1;
1675                 for (i = 0; i < _NUM_FLD; i++) {
1676                         errno = 0;
1677                         int_fld[i] = strtoul(str_fld[i], &end, 0);
1678                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
1679                                 return -1;
1680                 }
1681                 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1682                         printf("exceeded max number of lcore params: %hu\n",
1683                                 nb_lcore_params);
1684                         return -1;
1685                 }
1686                 lcore_params_array[nb_lcore_params].port_id =
1687                         (uint8_t)int_fld[FLD_PORT];
1688                 lcore_params_array[nb_lcore_params].queue_id =
1689                         (uint8_t)int_fld[FLD_QUEUE];
1690                 lcore_params_array[nb_lcore_params].lcore_id =
1691                         (uint8_t)int_fld[FLD_LCORE];
1692                 ++nb_lcore_params;
1693         }
1694         lcore_params = lcore_params_array;
1695         return 0;
1696 }
1697
1698 /* Parse the argument given in the command line of the application */
1699 static int
1700 parse_args(int argc, char **argv)
1701 {
1702         int opt, ret;
1703         char **argvopt;
1704         int option_index;
1705         char *prgname = argv[0];
1706         static struct option lgopts[] = {
1707                 {OPTION_CONFIG, 1, 0, 0},
1708                 {OPTION_NONUMA, 0, 0, 0},
1709                 {OPTION_ENBJMO, 0, 0, 0},
1710                 {OPTION_RULE_IPV4, 1, 0, 0},
1711                 {OPTION_RULE_IPV6, 1, 0, 0},
1712                 {OPTION_SCALAR, 0, 0, 0},
1713                 {NULL, 0, 0, 0}
1714         };
1715
1716         argvopt = argv;
1717
1718         while ((opt = getopt_long(argc, argvopt, "p:P",
1719                                 lgopts, &option_index)) != EOF) {
1720
1721                 switch (opt) {
1722                 /* portmask */
1723                 case 'p':
1724                         enabled_port_mask = parse_portmask(optarg);
1725                         if (enabled_port_mask == 0) {
1726                                 printf("invalid portmask\n");
1727                                 print_usage(prgname);
1728                                 return -1;
1729                         }
1730                         break;
1731                 case 'P':
1732                         printf("Promiscuous mode selected\n");
1733                         promiscuous_on = 1;
1734                         break;
1735
1736                 /* long options */
1737                 case 0:
1738                         if (!strncmp(lgopts[option_index].name,
1739                                         OPTION_CONFIG,
1740                                         sizeof(OPTION_CONFIG))) {
1741                                 ret = parse_config(optarg);
1742                                 if (ret) {
1743                                         printf("invalid config\n");
1744                                         print_usage(prgname);
1745                                         return -1;
1746                                 }
1747                         }
1748
1749                         if (!strncmp(lgopts[option_index].name,
1750                                         OPTION_NONUMA,
1751                                         sizeof(OPTION_NONUMA))) {
1752                                 printf("numa is disabled\n");
1753                                 numa_on = 0;
1754                         }
1755
1756                         if (!strncmp(lgopts[option_index].name,
1757                                         OPTION_ENBJMO, sizeof(OPTION_ENBJMO))) {
1758                                 struct option lenopts = {
1759                                         "max-pkt-len",
1760                                         required_argument,
1761                                         0,
1762                                         0
1763                                 };
1764
1765                                 printf("jumbo frame is enabled\n");
1766                                 port_conf.rxmode.jumbo_frame = 1;
1767
1768                                 /*
1769                                  * if no max-pkt-len set, then use the
1770                                  * default value ETHER_MAX_LEN
1771                                  */
1772                                 if (0 == getopt_long(argc, argvopt, "",
1773                                                 &lenopts, &option_index)) {
1774                                         ret = parse_max_pkt_len(optarg);
1775                                         if ((ret < 64) ||
1776                                                 (ret > MAX_JUMBO_PKT_LEN)) {
1777                                                 printf("invalid packet "
1778                                                         "length\n");
1779                                                 print_usage(prgname);
1780                                                 return -1;
1781                                         }
1782                                         port_conf.rxmode.max_rx_pkt_len = ret;
1783                                 }
1784                                 printf("set jumbo frame max packet length "
1785                                         "to %u\n",
1786                                         (unsigned int)
1787                                         port_conf.rxmode.max_rx_pkt_len);
1788                         }
1789
1790                         if (!strncmp(lgopts[option_index].name,
1791                                         OPTION_RULE_IPV4,
1792                                         sizeof(OPTION_RULE_IPV4)))
1793                                 parm_config.rule_ipv4_name = optarg;
1794
1795                         if (!strncmp(lgopts[option_index].name,
1796                                         OPTION_RULE_IPV6,
1797                                         sizeof(OPTION_RULE_IPV6))) {
1798                                 parm_config.rule_ipv6_name = optarg;
1799                         }
1800
1801                         if (!strncmp(lgopts[option_index].name,
1802                                         OPTION_SCALAR, sizeof(OPTION_SCALAR)))
1803                                 parm_config.scalar = 1;
1804
1805
1806                         break;
1807
1808                 default:
1809                         print_usage(prgname);
1810                         return -1;
1811                 }
1812         }
1813
1814         if (optind >= 0)
1815                 argv[optind-1] = prgname;
1816
1817         ret = optind-1;
1818         optind = 0; /* reset getopt lib */
1819         return ret;
1820 }
1821
1822 static void
1823 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
1824 {
1825         char buf[ETHER_ADDR_FMT_SIZE];
1826         ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
1827         printf("%s%s", name, buf);
1828 }
1829
1830 static int
1831 init_mem(unsigned nb_mbuf)
1832 {
1833         int socketid;
1834         unsigned lcore_id;
1835         char s[64];
1836
1837         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1838                 if (rte_lcore_is_enabled(lcore_id) == 0)
1839                         continue;
1840
1841                 if (numa_on)
1842                         socketid = rte_lcore_to_socket_id(lcore_id);
1843                 else
1844                         socketid = 0;
1845
1846                 if (socketid >= NB_SOCKETS) {
1847                         rte_exit(EXIT_FAILURE,
1848                                 "Socket %d of lcore %u is out of range %d\n",
1849                                 socketid, lcore_id, NB_SOCKETS);
1850                 }
1851                 if (pktmbuf_pool[socketid] == NULL) {
1852                         snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1853                         pktmbuf_pool[socketid] =
1854                                 rte_mempool_create(s, nb_mbuf, MBUF_SIZE,
1855                                         MEMPOOL_CACHE_SIZE,
1856                                         sizeof(struct rte_pktmbuf_pool_private),
1857                                         rte_pktmbuf_pool_init, NULL,
1858                                         rte_pktmbuf_init, NULL,
1859                                         socketid, 0);
1860                         if (pktmbuf_pool[socketid] == NULL)
1861                                 rte_exit(EXIT_FAILURE,
1862                                         "Cannot init mbuf pool on socket %d\n",
1863                                         socketid);
1864                         else
1865                                 printf("Allocated mbuf pool on socket %d\n",
1866                                         socketid);
1867                 }
1868         }
1869         return 0;
1870 }
1871
1872 /* Check the link status of all ports in up to 9s, and print them finally */
1873 static void
1874 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1875 {
1876 #define CHECK_INTERVAL 100 /* 100ms */
1877 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1878         uint8_t portid, count, all_ports_up, print_flag = 0;
1879         struct rte_eth_link link;
1880
1881         printf("\nChecking link status");
1882         fflush(stdout);
1883         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1884                 all_ports_up = 1;
1885                 for (portid = 0; portid < port_num; portid++) {
1886                         if ((port_mask & (1 << portid)) == 0)
1887                                 continue;
1888                         memset(&link, 0, sizeof(link));
1889                         rte_eth_link_get_nowait(portid, &link);
1890                         /* print link status if flag set */
1891                         if (print_flag == 1) {
1892                                 if (link.link_status)
1893                                         printf("Port %d Link Up - speed %u "
1894                                                 "Mbps - %s\n", (uint8_t)portid,
1895                                                 (unsigned)link.link_speed,
1896                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1897                                         ("full-duplex") : ("half-duplex\n"));
1898                                 else
1899                                         printf("Port %d Link Down\n",
1900                                                 (uint8_t)portid);
1901                                 continue;
1902                         }
1903                         /* clear all_ports_up flag if any link down */
1904                         if (link.link_status == 0) {
1905                                 all_ports_up = 0;
1906                                 break;
1907                         }
1908                 }
1909                 /* after finally printing all link status, get out */
1910                 if (print_flag == 1)
1911                         break;
1912
1913                 if (all_ports_up == 0) {
1914                         printf(".");
1915                         fflush(stdout);
1916                         rte_delay_ms(CHECK_INTERVAL);
1917                 }
1918
1919                 /* set the print_flag if all ports up or timeout */
1920                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1921                         print_flag = 1;
1922                         printf("done\n");
1923                 }
1924         }
1925 }
1926
1927 int
1928 main(int argc, char **argv)
1929 {
1930         struct lcore_conf *qconf;
1931         struct rte_eth_dev_info dev_info;
1932         struct rte_eth_txconf *txconf;
1933         int ret;
1934         unsigned nb_ports;
1935         uint16_t queueid;
1936         unsigned lcore_id;
1937         uint32_t n_tx_queue, nb_lcores;
1938         uint8_t portid, nb_rx_queue, queue, socketid;
1939
1940         /* init EAL */
1941         ret = rte_eal_init(argc, argv);
1942         if (ret < 0)
1943                 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1944         argc -= ret;
1945         argv += ret;
1946
1947         /* parse application arguments (after the EAL ones) */
1948         ret = parse_args(argc, argv);
1949         if (ret < 0)
1950                 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1951
1952         if (check_lcore_params() < 0)
1953                 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1954
1955         ret = init_lcore_rx_queues();
1956         if (ret < 0)
1957                 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1958
1959         nb_ports = rte_eth_dev_count();
1960         if (nb_ports > RTE_MAX_ETHPORTS)
1961                 nb_ports = RTE_MAX_ETHPORTS;
1962
1963         if (check_port_config(nb_ports) < 0)
1964                 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1965
1966         /* Add ACL rules and route entries, build trie */
1967         if (app_acl_init() < 0)
1968                 rte_exit(EXIT_FAILURE, "app_acl_init failed\n");
1969
1970         nb_lcores = rte_lcore_count();
1971
1972         /* initialize all ports */
1973         for (portid = 0; portid < nb_ports; portid++) {
1974                 /* skip ports that are not enabled */
1975                 if ((enabled_port_mask & (1 << portid)) == 0) {
1976                         printf("\nSkipping disabled port %d\n", portid);
1977                         continue;
1978                 }
1979
1980                 /* init port */
1981                 printf("Initializing port %d ... ", portid);
1982                 fflush(stdout);
1983
1984                 nb_rx_queue = get_port_n_rx_queues(portid);
1985                 n_tx_queue = nb_lcores;
1986                 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
1987                         n_tx_queue = MAX_TX_QUEUE_PER_PORT;
1988                 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1989                         nb_rx_queue, (unsigned)n_tx_queue);
1990                 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1991                                         (uint16_t)n_tx_queue, &port_conf);
1992                 if (ret < 0)
1993                         rte_exit(EXIT_FAILURE,
1994                                 "Cannot configure device: err=%d, port=%d\n",
1995                                 ret, portid);
1996
1997                 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1998                 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1999                 printf(", ");
2000
2001                 /* init memory */
2002                 ret = init_mem(NB_MBUF);
2003                 if (ret < 0)
2004                         rte_exit(EXIT_FAILURE, "init_mem failed\n");
2005
2006                 /* init one TX queue per couple (lcore,port) */
2007                 queueid = 0;
2008                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2009                         if (rte_lcore_is_enabled(lcore_id) == 0)
2010                                 continue;
2011
2012                         if (numa_on)
2013                                 socketid = (uint8_t)
2014                                         rte_lcore_to_socket_id(lcore_id);
2015                         else
2016                                 socketid = 0;
2017
2018                         printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
2019                         fflush(stdout);
2020
2021                         rte_eth_dev_info_get(portid, &dev_info);
2022                         txconf = &dev_info.default_txconf;
2023                         if (port_conf.rxmode.jumbo_frame)
2024                                 txconf->txq_flags = 0;
2025                         ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
2026                                                      socketid, txconf);
2027                         if (ret < 0)
2028                                 rte_exit(EXIT_FAILURE,
2029                                         "rte_eth_tx_queue_setup: err=%d, "
2030                                         "port=%d\n", ret, portid);
2031
2032                         qconf = &lcore_conf[lcore_id];
2033                         qconf->tx_queue_id[portid] = queueid;
2034                         queueid++;
2035                 }
2036                 printf("\n");
2037         }
2038
2039         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2040                 if (rte_lcore_is_enabled(lcore_id) == 0)
2041                         continue;
2042                 qconf = &lcore_conf[lcore_id];
2043                 printf("\nInitializing rx queues on lcore %u ... ", lcore_id);
2044                 fflush(stdout);
2045                 /* init RX queues */
2046                 for (queue = 0; queue < qconf->n_rx_queue; ++queue) {
2047                         portid = qconf->rx_queue_list[queue].port_id;
2048                         queueid = qconf->rx_queue_list[queue].queue_id;
2049
2050                         if (numa_on)
2051                                 socketid = (uint8_t)
2052                                         rte_lcore_to_socket_id(lcore_id);
2053                         else
2054                                 socketid = 0;
2055
2056                         printf("rxq=%d,%d,%d ", portid, queueid, socketid);
2057                         fflush(stdout);
2058
2059                         ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
2060                                         socketid, NULL,
2061                                         pktmbuf_pool[socketid]);
2062                         if (ret < 0)
2063                                 rte_exit(EXIT_FAILURE,
2064                                         "rte_eth_rx_queue_setup: err=%d,"
2065                                         "port=%d\n", ret, portid);
2066                 }
2067         }
2068
2069         printf("\n");
2070
2071         /* start ports */
2072         for (portid = 0; portid < nb_ports; portid++) {
2073                 if ((enabled_port_mask & (1 << portid)) == 0)
2074                         continue;
2075
2076                 /* Start device */
2077                 ret = rte_eth_dev_start(portid);
2078                 if (ret < 0)
2079                         rte_exit(EXIT_FAILURE,
2080                                 "rte_eth_dev_start: err=%d, port=%d\n",
2081                                 ret, portid);
2082
2083                 /*
2084                  * If enabled, put device in promiscuous mode.
2085                  * This allows IO forwarding mode to forward packets
2086                  * to itself through 2 cross-connected  ports of the
2087                  * target machine.
2088                  */
2089                 if (promiscuous_on)
2090                         rte_eth_promiscuous_enable(portid);
2091         }
2092
2093         check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask);
2094
2095         /* launch per-lcore init on every lcore */
2096         rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
2097         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2098                 if (rte_eal_wait_lcore(lcore_id) < 0)
2099                         return -1;
2100         }
2101
2102         return 0;
2103 }