examples/l3fwd-acl/main.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2016 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_eal.h>
  52 #include <rte_per_lcore.h>
  53 #include <rte_launch.h>
  54 #include <rte_atomic.h>
  55 #include <rte_cycles.h>
  56 #include <rte_prefetch.h>
  57 #include <rte_lcore.h>
  58 #include <rte_per_lcore.h>
  59 #include <rte_branch_prediction.h>
  60 #include <rte_interrupts.h>
  61 #include <rte_pci.h>
  62 #include <rte_random.h>
  63 #include <rte_debug.h>
  64 #include <rte_ether.h>
  65 #include <rte_ethdev.h>
  66 #include <rte_ring.h>
  67 #include <rte_mempool.h>
  68 #include <rte_mbuf.h>
  69 #include <rte_ip.h>
  70 #include <rte_tcp.h>
  71 #include <rte_udp.h>
  72 #include <rte_string_fns.h>
  73 #include <rte_acl.h>
  74
  75 #define DO_RFC_1812_CHECKS
  76
  77 #define RTE_LOGTYPE_L3FWD RTE_LOGTYPE_USER1
  78
  79 #define MAX_JUMBO_PKT_LEN  9600
  80
  81 #define MEMPOOL_CACHE_SIZE 256
  82
  83 /*
  84  * This expression is used to calculate the number of mbufs needed
  85  * depending on user input, taking into account memory for rx and tx hardware
  86  * rings, cache per lcore and mtable per port per lcore.
  87  * RTE_MAX is used to ensure that NB_MBUF never goes below a
  88  * minimum value of 8192
  89  */
  90
  91 #define NB_MBUF RTE_MAX(\
  92         (nb_ports * nb_rx_queue*RTE_TEST_RX_DESC_DEFAULT +      \
  93         nb_ports * nb_lcores * MAX_PKT_BURST +                  \
  94         nb_ports * n_tx_queue * RTE_TEST_TX_DESC_DEFAULT +      \
  95         nb_lcores * MEMPOOL_CACHE_SIZE),                        \
  96         (unsigned)8192)
  97
  98 #define MAX_PKT_BURST 32
  99 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
 100
 101 #define NB_SOCKETS 8
 102
 103 /* Configure how many packets ahead to prefetch, when reading packets */
 104 #define PREFETCH_OFFSET 3
 105
 106 /*
 107  * Configurable number of RX/TX ring descriptors
 108  */
 109 #define RTE_TEST_RX_DESC_DEFAULT 128
 110 #define RTE_TEST_TX_DESC_DEFAULT 512
 111 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
 112 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
 113
 114 /* ethernet addresses of ports */
 115 static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
 116
 117 /* mask of enabled ports */
 118 static uint32_t enabled_port_mask;
 119 static int promiscuous_on; /**< Ports set in promiscuous mode off by default. */
 120 static int numa_on = 1; /**< NUMA is enabled by default. */
 121
 122 struct lcore_rx_queue {
 123         uint8_t port_id;
 124         uint8_t queue_id;
 125 } __rte_cache_aligned;
 126
 127 #define MAX_RX_QUEUE_PER_LCORE 16
 128 #define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
 129 #define MAX_RX_QUEUE_PER_PORT 128
 130
 131 #define MAX_LCORE_PARAMS 1024
 132 struct lcore_params {
 133         uint8_t port_id;
 134         uint8_t queue_id;
 135         uint8_t lcore_id;
 136 } __rte_cache_aligned;
 137
 138 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
 139 static struct lcore_params lcore_params_array_default[] = {
 140         {0, 0, 2},
 141         {0, 1, 2},
 142         {0, 2, 2},
 143         {1, 0, 2},
 144         {1, 1, 2},
 145         {1, 2, 2},
 146         {2, 0, 2},
 147         {3, 0, 3},
 148         {3, 1, 3},
 149 };
 150
 151 static struct lcore_params *lcore_params = lcore_params_array_default;
 152 static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
 153                                 sizeof(lcore_params_array_default[0]);
 154
 155 static struct rte_eth_conf port_conf = {
 156         .rxmode = {
 157                 .mq_mode        = ETH_MQ_RX_RSS,
 158                 .max_rx_pkt_len = ETHER_MAX_LEN,
 159                 .split_hdr_size = 0,
 160                 .header_split   = 0, /**< Header Split disabled */
 161                 .hw_ip_checksum = 1, /**< IP checksum offload enabled */
 162                 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
 163                 .jumbo_frame    = 0, /**< Jumbo Frame Support disabled */
 164                 .hw_strip_crc   = 0, /**< CRC stripped by hardware */
 165         },
 166         .rx_adv_conf = {
 167                 .rss_conf = {
 168                         .rss_key = NULL,
 169                         .rss_hf = ETH_RSS_IP | ETH_RSS_UDP |
 170                                 ETH_RSS_TCP | ETH_RSS_SCTP,
 171                 },
 172         },
 173         .txmode = {
 174                 .mq_mode = ETH_MQ_TX_NONE,
 175         },
 176 };
 177
 178 static struct rte_mempool *pktmbuf_pool[NB_SOCKETS];
 179
 180 /***********************start of ACL part******************************/
 181 #ifdef DO_RFC_1812_CHECKS
 182 static inline int
 183 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len);
 184 #endif
 185 static inline void
 186 send_single_packet(struct rte_mbuf *m, uint8_t port);
 187
 188 #define MAX_ACL_RULE_NUM        100000
 189 #define DEFAULT_MAX_CATEGORIES  1
 190 #define L3FWD_ACL_IPV4_NAME     "l3fwd-acl-ipv4"
 191 #define L3FWD_ACL_IPV6_NAME     "l3fwd-acl-ipv6"
 192 #define ACL_LEAD_CHAR           ('@')
 193 #define ROUTE_LEAD_CHAR         ('R')
 194 #define COMMENT_LEAD_CHAR       ('#')
 195 #define OPTION_CONFIG           "config"
 196 #define OPTION_NONUMA           "no-numa"
 197 #define OPTION_ENBJMO           "enable-jumbo"
 198 #define OPTION_RULE_IPV4        "rule_ipv4"
 199 #define OPTION_RULE_IPV6        "rule_ipv6"
 200 #define OPTION_SCALAR           "scalar"
 201 #define ACL_DENY_SIGNATURE      0xf0000000
 202 #define RTE_LOGTYPE_L3FWDACL    RTE_LOGTYPE_USER3
 203 #define acl_log(format, ...)    RTE_LOG(ERR, L3FWDACL, format, ##__VA_ARGS__)
 204 #define uint32_t_to_char(ip, a, b, c, d) do {\
 205                 *a = (unsigned char)(ip >> 24 & 0xff);\
 206                 *b = (unsigned char)(ip >> 16 & 0xff);\
 207                 *c = (unsigned char)(ip >> 8 & 0xff);\
 208                 *d = (unsigned char)(ip & 0xff);\
 209         } while (0)
 210 #define OFF_ETHHEAD     (sizeof(struct ether_hdr))
 211 #define OFF_IPV42PROTO (offsetof(struct ipv4_hdr, next_proto_id))
 212 #define OFF_IPV62PROTO (offsetof(struct ipv6_hdr, proto))
 213 #define MBUF_IPV4_2PROTO(m)     \
 214         rte_pktmbuf_mtod_offset((m), uint8_t *, OFF_ETHHEAD + OFF_IPV42PROTO)
 215 #define MBUF_IPV6_2PROTO(m)     \
 216         rte_pktmbuf_mtod_offset((m), uint8_t *, OFF_ETHHEAD + OFF_IPV62PROTO)
 217
 218 #define GET_CB_FIELD(in, fd, base, lim, dlm)    do {            \
 219         unsigned long val;                                      \
 220         char *end;                                              \
 221         errno = 0;                                              \
 222         val = strtoul((in), &end, (base));                      \
 223         if (errno != 0 || end[0] != (dlm) || val > (lim))       \
 224                 return -EINVAL;                               \
 225         (fd) = (typeof(fd))val;                                 \
 226         (in) = end + 1;                                         \
 227 } while (0)
 228
 229 /*
 230   * ACL rules should have higher priorities than route ones to ensure ACL rule
 231   * always be found when input packets have multi-matches in the database.
 232   * A exception case is performance measure, which can define route rules with
 233   * higher priority and route rules will always be returned in each lookup.
 234   * Reserve range from ACL_RULE_PRIORITY_MAX + 1 to
 235   * RTE_ACL_MAX_PRIORITY for route entries in performance measure
 236   */
 237 #define ACL_RULE_PRIORITY_MAX 0x10000000
 238
 239 /*
 240   * Forward port info save in ACL lib starts from 1
 241   * since ACL assume 0 is invalid.
 242   * So, need add 1 when saving and minus 1 when forwarding packets.
 243   */
 244 #define FWD_PORT_SHIFT 1
 245
 246 /*
 247  * Rule and trace formats definitions.
 248  */
 249
 250 enum {
 251         PROTO_FIELD_IPV4,
 252         SRC_FIELD_IPV4,
 253         DST_FIELD_IPV4,
 254         SRCP_FIELD_IPV4,
 255         DSTP_FIELD_IPV4,
 256         NUM_FIELDS_IPV4
 257 };
 258
 259 /*
 260  * That effectively defines order of IPV4VLAN classifications:
 261  *  - PROTO
 262  *  - VLAN (TAG and DOMAIN)
 263  *  - SRC IP ADDRESS
 264  *  - DST IP ADDRESS
 265  *  - PORTS (SRC and DST)
 266  */
 267 enum {
 268         RTE_ACL_IPV4VLAN_PROTO,
 269         RTE_ACL_IPV4VLAN_VLAN,
 270         RTE_ACL_IPV4VLAN_SRC,
 271         RTE_ACL_IPV4VLAN_DST,
 272         RTE_ACL_IPV4VLAN_PORTS,
 273         RTE_ACL_IPV4VLAN_NUM
 274 };
 275
 276 struct rte_acl_field_def ipv4_defs[NUM_FIELDS_IPV4] = {
 277         {
 278                 .type = RTE_ACL_FIELD_TYPE_BITMASK,
 279                 .size = sizeof(uint8_t),
 280                 .field_index = PROTO_FIELD_IPV4,
 281                 .input_index = RTE_ACL_IPV4VLAN_PROTO,
 282                 .offset = 0,
 283         },
 284         {
 285                 .type = RTE_ACL_FIELD_TYPE_MASK,
 286                 .size = sizeof(uint32_t),
 287                 .field_index = SRC_FIELD_IPV4,
 288                 .input_index = RTE_ACL_IPV4VLAN_SRC,
 289                 .offset = offsetof(struct ipv4_hdr, src_addr) -
 290                         offsetof(struct ipv4_hdr, next_proto_id),
 291         },
 292         {
 293                 .type = RTE_ACL_FIELD_TYPE_MASK,
 294                 .size = sizeof(uint32_t),
 295                 .field_index = DST_FIELD_IPV4,
 296                 .input_index = RTE_ACL_IPV4VLAN_DST,
 297                 .offset = offsetof(struct ipv4_hdr, dst_addr) -
 298                         offsetof(struct ipv4_hdr, next_proto_id),
 299         },
 300         {
 301                 .type = RTE_ACL_FIELD_TYPE_RANGE,
 302                 .size = sizeof(uint16_t),
 303                 .field_index = SRCP_FIELD_IPV4,
 304                 .input_index = RTE_ACL_IPV4VLAN_PORTS,
 305                 .offset = sizeof(struct ipv4_hdr) -
 306                         offsetof(struct ipv4_hdr, next_proto_id),
 307         },
 308         {
 309                 .type = RTE_ACL_FIELD_TYPE_RANGE,
 310                 .size = sizeof(uint16_t),
 311                 .field_index = DSTP_FIELD_IPV4,
 312                 .input_index = RTE_ACL_IPV4VLAN_PORTS,
 313                 .offset = sizeof(struct ipv4_hdr) -
 314                         offsetof(struct ipv4_hdr, next_proto_id) +
 315                         sizeof(uint16_t),
 316         },
 317 };
 318
 319 #define IPV6_ADDR_LEN   16
 320 #define IPV6_ADDR_U16   (IPV6_ADDR_LEN / sizeof(uint16_t))
 321 #define IPV6_ADDR_U32   (IPV6_ADDR_LEN / sizeof(uint32_t))
 322
 323 enum {
 324         PROTO_FIELD_IPV6,
 325         SRC1_FIELD_IPV6,
 326         SRC2_FIELD_IPV6,
 327         SRC3_FIELD_IPV6,
 328         SRC4_FIELD_IPV6,
 329         DST1_FIELD_IPV6,
 330         DST2_FIELD_IPV6,
 331         DST3_FIELD_IPV6,
 332         DST4_FIELD_IPV6,
 333         SRCP_FIELD_IPV6,
 334         DSTP_FIELD_IPV6,
 335         NUM_FIELDS_IPV6
 336 };
 337
 338 struct rte_acl_field_def ipv6_defs[NUM_FIELDS_IPV6] = {
 339         {
 340                 .type = RTE_ACL_FIELD_TYPE_BITMASK,
 341                 .size = sizeof(uint8_t),
 342                 .field_index = PROTO_FIELD_IPV6,
 343                 .input_index = PROTO_FIELD_IPV6,
 344                 .offset = 0,
 345         },
 346         {
 347                 .type = RTE_ACL_FIELD_TYPE_MASK,
 348                 .size = sizeof(uint32_t),
 349                 .field_index = SRC1_FIELD_IPV6,
 350                 .input_index = SRC1_FIELD_IPV6,
 351                 .offset = offsetof(struct ipv6_hdr, src_addr) -
 352                         offsetof(struct ipv6_hdr, proto),
 353         },
 354         {
 355                 .type = RTE_ACL_FIELD_TYPE_MASK,
 356                 .size = sizeof(uint32_t),
 357                 .field_index = SRC2_FIELD_IPV6,
 358                 .input_index = SRC2_FIELD_IPV6,
 359                 .offset = offsetof(struct ipv6_hdr, src_addr) -
 360                         offsetof(struct ipv6_hdr, proto) + sizeof(uint32_t),
 361         },
 362         {
 363                 .type = RTE_ACL_FIELD_TYPE_MASK,
 364                 .size = sizeof(uint32_t),
 365                 .field_index = SRC3_FIELD_IPV6,
 366                 .input_index = SRC3_FIELD_IPV6,
 367                 .offset = offsetof(struct ipv6_hdr, src_addr) -
 368                         offsetof(struct ipv6_hdr, proto) + 2 * sizeof(uint32_t),
 369         },
 370         {
 371                 .type = RTE_ACL_FIELD_TYPE_MASK,
 372                 .size = sizeof(uint32_t),
 373                 .field_index = SRC4_FIELD_IPV6,
 374                 .input_index = SRC4_FIELD_IPV6,
 375                 .offset = offsetof(struct ipv6_hdr, src_addr) -
 376                         offsetof(struct ipv6_hdr, proto) + 3 * sizeof(uint32_t),
 377         },
 378         {
 379                 .type = RTE_ACL_FIELD_TYPE_MASK,
 380                 .size = sizeof(uint32_t),
 381                 .field_index = DST1_FIELD_IPV6,
 382                 .input_index = DST1_FIELD_IPV6,
 383                 .offset = offsetof(struct ipv6_hdr, dst_addr)
 384                                 - offsetof(struct ipv6_hdr, proto),
 385         },
 386         {
 387                 .type = RTE_ACL_FIELD_TYPE_MASK,
 388                 .size = sizeof(uint32_t),
 389                 .field_index = DST2_FIELD_IPV6,
 390                 .input_index = DST2_FIELD_IPV6,
 391                 .offset = offsetof(struct ipv6_hdr, dst_addr) -
 392                         offsetof(struct ipv6_hdr, proto) + sizeof(uint32_t),
 393         },
 394         {
 395                 .type = RTE_ACL_FIELD_TYPE_MASK,
 396                 .size = sizeof(uint32_t),
 397                 .field_index = DST3_FIELD_IPV6,
 398                 .input_index = DST3_FIELD_IPV6,
 399                 .offset = offsetof(struct ipv6_hdr, dst_addr) -
 400                         offsetof(struct ipv6_hdr, proto) + 2 * sizeof(uint32_t),
 401         },
 402         {
 403                 .type = RTE_ACL_FIELD_TYPE_MASK,
 404                 .size = sizeof(uint32_t),
 405                 .field_index = DST4_FIELD_IPV6,
 406                 .input_index = DST4_FIELD_IPV6,
 407                 .offset = offsetof(struct ipv6_hdr, dst_addr) -
 408                         offsetof(struct ipv6_hdr, proto) + 3 * sizeof(uint32_t),
 409         },
 410         {
 411                 .type = RTE_ACL_FIELD_TYPE_RANGE,
 412                 .size = sizeof(uint16_t),
 413                 .field_index = SRCP_FIELD_IPV6,
 414                 .input_index = SRCP_FIELD_IPV6,
 415                 .offset = sizeof(struct ipv6_hdr) -
 416                         offsetof(struct ipv6_hdr, proto),
 417         },
 418         {
 419                 .type = RTE_ACL_FIELD_TYPE_RANGE,
 420                 .size = sizeof(uint16_t),
 421                 .field_index = DSTP_FIELD_IPV6,
 422                 .input_index = SRCP_FIELD_IPV6,
 423                 .offset = sizeof(struct ipv6_hdr) -
 424                         offsetof(struct ipv6_hdr, proto) + sizeof(uint16_t),
 425         },
 426 };
 427
 428 enum {
 429         CB_FLD_SRC_ADDR,
 430         CB_FLD_DST_ADDR,
 431         CB_FLD_SRC_PORT_LOW,
 432         CB_FLD_SRC_PORT_DLM,
 433         CB_FLD_SRC_PORT_HIGH,
 434         CB_FLD_DST_PORT_LOW,
 435         CB_FLD_DST_PORT_DLM,
 436         CB_FLD_DST_PORT_HIGH,
 437         CB_FLD_PROTO,
 438         CB_FLD_USERDATA,
 439         CB_FLD_NUM,
 440 };
 441
 442 RTE_ACL_RULE_DEF(acl4_rule, RTE_DIM(ipv4_defs));
 443 RTE_ACL_RULE_DEF(acl6_rule, RTE_DIM(ipv6_defs));
 444
 445 struct acl_search_t {
 446         const uint8_t *data_ipv4[MAX_PKT_BURST];
 447         struct rte_mbuf *m_ipv4[MAX_PKT_BURST];
 448         uint32_t res_ipv4[MAX_PKT_BURST];
 449         int num_ipv4;
 450
 451         const uint8_t *data_ipv6[MAX_PKT_BURST];
 452         struct rte_mbuf *m_ipv6[MAX_PKT_BURST];
 453         uint32_t res_ipv6[MAX_PKT_BURST];
 454         int num_ipv6;
 455 };
 456
 457 static struct {
 458         char mapped[NB_SOCKETS];
 459         struct rte_acl_ctx *acx_ipv4[NB_SOCKETS];
 460         struct rte_acl_ctx *acx_ipv6[NB_SOCKETS];
 461 #ifdef L3FWDACL_DEBUG
 462         struct acl4_rule *rule_ipv4;
 463         struct acl6_rule *rule_ipv6;
 464 #endif
 465 } acl_config;
 466
 467 static struct{
 468         const char *rule_ipv4_name;
 469         const char *rule_ipv6_name;
 470         int scalar;
 471 } parm_config;
 472
 473 const char cb_port_delim[] = ":";
 474
 475 static inline void
 476 print_one_ipv4_rule(struct acl4_rule *rule, int extra)
 477 {
 478         unsigned char a, b, c, d;
 479
 480         uint32_t_to_char(rule->field[SRC_FIELD_IPV4].value.u32,
 481                         &a, &b, &c, &d);
 482         printf("%hhu.%hhu.%hhu.%hhu/%u ", a, b, c, d,
 483                         rule->field[SRC_FIELD_IPV4].mask_range.u32);
 484         uint32_t_to_char(rule->field[DST_FIELD_IPV4].value.u32,
 485                         &a, &b, &c, &d);
 486         printf("%hhu.%hhu.%hhu.%hhu/%u ", a, b, c, d,
 487                         rule->field[DST_FIELD_IPV4].mask_range.u32);
 488         printf("%hu : %hu %hu : %hu 0x%hhx/0x%hhx ",
 489                 rule->field[SRCP_FIELD_IPV4].value.u16,
 490                 rule->field[SRCP_FIELD_IPV4].mask_range.u16,
 491                 rule->field[DSTP_FIELD_IPV4].value.u16,
 492                 rule->field[DSTP_FIELD_IPV4].mask_range.u16,
 493                 rule->field[PROTO_FIELD_IPV4].value.u8,
 494                 rule->field[PROTO_FIELD_IPV4].mask_range.u8);
 495         if (extra)
 496                 printf("0x%x-0x%x-0x%x ",
 497                         rule->data.category_mask,
 498                         rule->data.priority,
 499                         rule->data.userdata);
 500 }
 501
 502 static inline void
 503 print_one_ipv6_rule(struct acl6_rule *rule, int extra)
 504 {
 505         unsigned char a, b, c, d;
 506
 507         uint32_t_to_char(rule->field[SRC1_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[SRC2_FIELD_IPV6].value.u32,
 511                 &a, &b, &c, &d);
 512         printf(":%.2x%.2x:%.2x%.2x", a, b, c, d);
 513         uint32_t_to_char(rule->field[SRC3_FIELD_IPV6].value.u32,
 514                 &a, &b, &c, &d);
 515         printf(":%.2x%.2x:%.2x%.2x", a, b, c, d);
 516         uint32_t_to_char(rule->field[SRC4_FIELD_IPV6].value.u32,
 517                 &a, &b, &c, &d);
 518         printf(":%.2x%.2x:%.2x%.2x/%u ", a, b, c, d,
 519                         rule->field[SRC1_FIELD_IPV6].mask_range.u32
 520                         + rule->field[SRC2_FIELD_IPV6].mask_range.u32
 521                         + rule->field[SRC3_FIELD_IPV6].mask_range.u32
 522                         + rule->field[SRC4_FIELD_IPV6].mask_range.u32);
 523
 524         uint32_t_to_char(rule->field[DST1_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[DST2_FIELD_IPV6].value.u32,
 528                 &a, &b, &c, &d);
 529         printf(":%.2x%.2x:%.2x%.2x", a, b, c, d);
 530         uint32_t_to_char(rule->field[DST3_FIELD_IPV6].value.u32,
 531                 &a, &b, &c, &d);
 532         printf(":%.2x%.2x:%.2x%.2x", a, b, c, d);
 533         uint32_t_to_char(rule->field[DST4_FIELD_IPV6].value.u32,
 534                 &a, &b, &c, &d);
 535         printf(":%.2x%.2x:%.2x%.2x/%u ", a, b, c, d,
 536                         rule->field[DST1_FIELD_IPV6].mask_range.u32
 537                         + rule->field[DST2_FIELD_IPV6].mask_range.u32
 538                         + rule->field[DST3_FIELD_IPV6].mask_range.u32
 539                         + rule->field[DST4_FIELD_IPV6].mask_range.u32);
 540
 541         printf("%hu : %hu %hu : %hu 0x%hhx/0x%hhx ",
 542                 rule->field[SRCP_FIELD_IPV6].value.u16,
 543                 rule->field[SRCP_FIELD_IPV6].mask_range.u16,
 544                 rule->field[DSTP_FIELD_IPV6].value.u16,
 545                 rule->field[DSTP_FIELD_IPV6].mask_range.u16,
 546                 rule->field[PROTO_FIELD_IPV6].value.u8,
 547                 rule->field[PROTO_FIELD_IPV6].mask_range.u8);
 548         if (extra)
 549                 printf("0x%x-0x%x-0x%x ",
 550                         rule->data.category_mask,
 551                         rule->data.priority,
 552                         rule->data.userdata);
 553 }
 554
 555 /* Bypass comment and empty lines */
 556 static inline int
 557 is_bypass_line(char *buff)
 558 {
 559         int i = 0;
 560
 561         /* comment line */
 562         if (buff[0] == COMMENT_LEAD_CHAR)
 563                 return 1;
 564         /* empty line */
 565         while (buff[i] != '\0') {
 566                 if (!isspace(buff[i]))
 567                         return 0;
 568                 i++;
 569         }
 570         return 1;
 571 }
 572
 573 #ifdef L3FWDACL_DEBUG
 574 static inline void
 575 dump_acl4_rule(struct rte_mbuf *m, uint32_t sig)
 576 {
 577         uint32_t offset = sig & ~ACL_DENY_SIGNATURE;
 578         unsigned char a, b, c, d;
 579         struct ipv4_hdr *ipv4_hdr = rte_pktmbuf_mtod_offset(m,
 580                                                             struct ipv4_hdr *,
 581                                                             sizeof(struct ether_hdr));
 582
 583         uint32_t_to_char(rte_bswap32(ipv4_hdr->src_addr), &a, &b, &c, &d);
 584         printf("Packet Src:%hhu.%hhu.%hhu.%hhu ", a, b, c, d);
 585         uint32_t_to_char(rte_bswap32(ipv4_hdr->dst_addr), &a, &b, &c, &d);
 586         printf("Dst:%hhu.%hhu.%hhu.%hhu ", a, b, c, d);
 587
 588         printf("Src port:%hu,Dst port:%hu ",
 589                         rte_bswap16(*(uint16_t *)(ipv4_hdr + 1)),
 590                         rte_bswap16(*((uint16_t *)(ipv4_hdr + 1) + 1)));
 591         printf("hit ACL %d - ", offset);
 592
 593         print_one_ipv4_rule(acl_config.rule_ipv4 + offset, 1);
 594
 595         printf("\n\n");
 596 }
 597
 598 static inline void
 599 dump_acl6_rule(struct rte_mbuf *m, uint32_t sig)
 600 {
 601         unsigned i;
 602         uint32_t offset = sig & ~ACL_DENY_SIGNATURE;
 603         struct ipv6_hdr *ipv6_hdr = rte_pktmbuf_mtod_offset(m,
 604                                                             struct ipv6_hdr *,
 605                                                             sizeof(struct ether_hdr));
 606
 607         printf("Packet Src");
 608         for (i = 0; i < RTE_DIM(ipv6_hdr->src_addr); i += sizeof(uint16_t))
 609                 printf(":%.2x%.2x",
 610                         ipv6_hdr->src_addr[i], ipv6_hdr->src_addr[i + 1]);
 611
 612         printf("\nDst");
 613         for (i = 0; i < RTE_DIM(ipv6_hdr->dst_addr); i += sizeof(uint16_t))
 614                 printf(":%.2x%.2x",
 615                         ipv6_hdr->dst_addr[i], ipv6_hdr->dst_addr[i + 1]);
 616
 617         printf("\nSrc port:%hu,Dst port:%hu ",
 618                         rte_bswap16(*(uint16_t *)(ipv6_hdr + 1)),
 619                         rte_bswap16(*((uint16_t *)(ipv6_hdr + 1) + 1)));
 620         printf("hit ACL %d - ", offset);
 621
 622         print_one_ipv6_rule(acl_config.rule_ipv6 + offset, 1);
 623
 624         printf("\n\n");
 625 }
 626 #endif /* L3FWDACL_DEBUG */
 627
 628 static inline void
 629 dump_ipv4_rules(struct acl4_rule *rule, int num, int extra)
 630 {
 631         int i;
 632
 633         for (i = 0; i < num; i++, rule++) {
 634                 printf("\t%d:", i + 1);
 635                 print_one_ipv4_rule(rule, extra);
 636                 printf("\n");
 637         }
 638 }
 639
 640 static inline void
 641 dump_ipv6_rules(struct acl6_rule *rule, int num, int extra)
 642 {
 643         int i;
 644
 645         for (i = 0; i < num; i++, rule++) {
 646                 printf("\t%d:", i + 1);
 647                 print_one_ipv6_rule(rule, extra);
 648                 printf("\n");
 649         }
 650 }
 651
 652 #ifdef DO_RFC_1812_CHECKS
 653 static inline void
 654 prepare_one_packet(struct rte_mbuf **pkts_in, struct acl_search_t *acl,
 655         int index)
 656 {
 657         struct ipv4_hdr *ipv4_hdr;
 658         struct rte_mbuf *pkt = pkts_in[index];
 659
 660         if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) {
 661                 ipv4_hdr = rte_pktmbuf_mtod_offset(pkt, struct ipv4_hdr *,
 662                                                    sizeof(struct ether_hdr));
 663
 664                 /* Check to make sure the packet is valid (RFC1812) */
 665                 if (is_valid_ipv4_pkt(ipv4_hdr, pkt->pkt_len) >= 0) {
 666
 667                         /* Update time to live and header checksum */
 668                         --(ipv4_hdr->time_to_live);
 669                         ++(ipv4_hdr->hdr_checksum);
 670
 671                         /* Fill acl structure */
 672                         acl->data_ipv4[acl->num_ipv4] = MBUF_IPV4_2PROTO(pkt);
 673                         acl->m_ipv4[(acl->num_ipv4)++] = pkt;
 674
 675                 } else {
 676                         /* Not a valid IPv4 packet */
 677                         rte_pktmbuf_free(pkt);
 678                 }
 679         } else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) {
 680                 /* Fill acl structure */
 681                 acl->data_ipv6[acl->num_ipv6] = MBUF_IPV6_2PROTO(pkt);
 682                 acl->m_ipv6[(acl->num_ipv6)++] = pkt;
 683
 684         } else {
 685                 /* Unknown type, drop the packet */
 686                 rte_pktmbuf_free(pkt);
 687         }
 688 }
 689
 690 #else
 691 static inline void
 692 prepare_one_packet(struct rte_mbuf **pkts_in, struct acl_search_t *acl,
 693         int index)
 694 {
 695         struct rte_mbuf *pkt = pkts_in[index];
 696
 697         if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) {
 698                 /* Fill acl structure */
 699                 acl->data_ipv4[acl->num_ipv4] = MBUF_IPV4_2PROTO(pkt);
 700                 acl->m_ipv4[(acl->num_ipv4)++] = pkt;
 701
 702         } else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) {
 703                 /* Fill acl structure */
 704                 acl->data_ipv6[acl->num_ipv6] = MBUF_IPV6_2PROTO(pkt);
 705                 acl->m_ipv6[(acl->num_ipv6)++] = pkt;
 706         } else {
 707                 /* Unknown type, drop the packet */
 708                 rte_pktmbuf_free(pkt);
 709         }
 710 }
 711 #endif /* DO_RFC_1812_CHECKS */
 712
 713 static inline void
 714 prepare_acl_parameter(struct rte_mbuf **pkts_in, struct acl_search_t *acl,
 715         int nb_rx)
 716 {
 717         int i;
 718
 719         acl->num_ipv4 = 0;
 720         acl->num_ipv6 = 0;
 721
 722         /* Prefetch first packets */
 723         for (i = 0; i < PREFETCH_OFFSET && i < nb_rx; i++) {
 724                 rte_prefetch0(rte_pktmbuf_mtod(
 725                                 pkts_in[i], void *));
 726         }
 727
 728         for (i = 0; i < (nb_rx - PREFETCH_OFFSET); i++) {
 729                 rte_prefetch0(rte_pktmbuf_mtod(pkts_in[
 730                                 i + PREFETCH_OFFSET], void *));
 731                 prepare_one_packet(pkts_in, acl, i);
 732         }
 733
 734         /* Process left packets */
 735         for (; i < nb_rx; i++)
 736                 prepare_one_packet(pkts_in, acl, i);
 737 }
 738
 739 static inline void
 740 send_one_packet(struct rte_mbuf *m, uint32_t res)
 741 {
 742         if (likely((res & ACL_DENY_SIGNATURE) == 0 && res != 0)) {
 743                 /* forward packets */
 744                 send_single_packet(m,
 745                         (uint8_t)(res - FWD_PORT_SHIFT));
 746         } else{
 747                 /* in the ACL list, drop it */
 748 #ifdef L3FWDACL_DEBUG
 749                 if ((res & ACL_DENY_SIGNATURE) != 0) {
 750                         if (RTE_ETH_IS_IPV4_HDR(m->packet_type))
 751                                 dump_acl4_rule(m, res);
 752                         else if (RTE_ETH_IS_IPV6_HDR(m->packet_type))
 753                                 dump_acl6_rule(m, res);
 754                 }
 755 #endif
 756                 rte_pktmbuf_free(m);
 757         }
 758 }
 759
 760
 761
 762 static inline void
 763 send_packets(struct rte_mbuf **m, uint32_t *res, int num)
 764 {
 765         int i;
 766
 767         /* Prefetch first packets */
 768         for (i = 0; i < PREFETCH_OFFSET && i < num; i++) {
 769                 rte_prefetch0(rte_pktmbuf_mtod(
 770                                 m[i], void *));
 771         }
 772
 773         for (i = 0; i < (num - PREFETCH_OFFSET); i++) {
 774                 rte_prefetch0(rte_pktmbuf_mtod(m[
 775                                 i + PREFETCH_OFFSET], void *));
 776                 send_one_packet(m[i], res[i]);
 777         }
 778
 779         /* Process left packets */
 780         for (; i < num; i++)
 781                 send_one_packet(m[i], res[i]);
 782 }
 783
 784 /*
 785  * Parses IPV6 address, exepcts the following format:
 786  * XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX (where X - is a hexedecimal digit).
 787  */
 788 static int
 789 parse_ipv6_addr(const char *in, const char **end, uint32_t v[IPV6_ADDR_U32],
 790         char dlm)
 791 {
 792         uint32_t addr[IPV6_ADDR_U16];
 793
 794         GET_CB_FIELD(in, addr[0], 16, UINT16_MAX, ':');
 795         GET_CB_FIELD(in, addr[1], 16, UINT16_MAX, ':');
 796         GET_CB_FIELD(in, addr[2], 16, UINT16_MAX, ':');
 797         GET_CB_FIELD(in, addr[3], 16, UINT16_MAX, ':');
 798         GET_CB_FIELD(in, addr[4], 16, UINT16_MAX, ':');
 799         GET_CB_FIELD(in, addr[5], 16, UINT16_MAX, ':');
 800         GET_CB_FIELD(in, addr[6], 16, UINT16_MAX, ':');
 801         GET_CB_FIELD(in, addr[7], 16, UINT16_MAX, dlm);
 802
 803         *end = in;
 804
 805         v[0] = (addr[0] << 16) + addr[1];
 806         v[1] = (addr[2] << 16) + addr[3];
 807         v[2] = (addr[4] << 16) + addr[5];
 808         v[3] = (addr[6] << 16) + addr[7];
 809
 810         return 0;
 811 }
 812
 813 static int
 814 parse_ipv6_net(const char *in, struct rte_acl_field field[4])
 815 {
 816         int32_t rc;
 817         const char *mp;
 818         uint32_t i, m, v[4];
 819         const uint32_t nbu32 = sizeof(uint32_t) * CHAR_BIT;
 820
 821         /* get address. */
 822         rc = parse_ipv6_addr(in, &mp, v, '/');
 823         if (rc != 0)
 824                 return rc;
 825
 826         /* get mask. */
 827         GET_CB_FIELD(mp, m, 0, CHAR_BIT * sizeof(v), 0);
 828
 829         /* put all together. */
 830         for (i = 0; i != RTE_DIM(v); i++) {
 831                 if (m >= (i + 1) * nbu32)
 832                         field[i].mask_range.u32 = nbu32;
 833                 else
 834                         field[i].mask_range.u32 = m > (i * nbu32) ?
 835                                 m - (i * 32) : 0;
 836
 837                 field[i].value.u32 = v[i];
 838         }
 839
 840         return 0;
 841 }
 842
 843 static int
 844 parse_cb_ipv6_rule(char *str, struct rte_acl_rule *v, int has_userdata)
 845 {
 846         int i, rc;
 847         char *s, *sp, *in[CB_FLD_NUM];
 848         static const char *dlm = " \t\n";
 849         int dim = has_userdata ? CB_FLD_NUM : CB_FLD_USERDATA;
 850         s = str;
 851
 852         for (i = 0; i != dim; i++, s = NULL) {
 853                 in[i] = strtok_r(s, dlm, &sp);
 854                 if (in[i] == NULL)
 855                         return -EINVAL;
 856         }
 857
 858         rc = parse_ipv6_net(in[CB_FLD_SRC_ADDR], v->field + SRC1_FIELD_IPV6);
 859         if (rc != 0) {
 860                 acl_log("failed to read source address/mask: %s\n",
 861                         in[CB_FLD_SRC_ADDR]);
 862                 return rc;
 863         }
 864
 865         rc = parse_ipv6_net(in[CB_FLD_DST_ADDR], v->field + DST1_FIELD_IPV6);
 866         if (rc != 0) {
 867                 acl_log("failed to read destination address/mask: %s\n",
 868                         in[CB_FLD_DST_ADDR]);
 869                 return rc;
 870         }
 871
 872         /* source port. */
 873         GET_CB_FIELD(in[CB_FLD_SRC_PORT_LOW],
 874                 v->field[SRCP_FIELD_IPV6].value.u16,
 875                 0, UINT16_MAX, 0);
 876         GET_CB_FIELD(in[CB_FLD_SRC_PORT_HIGH],
 877                 v->field[SRCP_FIELD_IPV6].mask_range.u16,
 878                 0, UINT16_MAX, 0);
 879
 880         if (strncmp(in[CB_FLD_SRC_PORT_DLM], cb_port_delim,
 881                         sizeof(cb_port_delim)) != 0)
 882                 return -EINVAL;
 883
 884         /* destination port. */
 885         GET_CB_FIELD(in[CB_FLD_DST_PORT_LOW],
 886                 v->field[DSTP_FIELD_IPV6].value.u16,
 887                 0, UINT16_MAX, 0);
 888         GET_CB_FIELD(in[CB_FLD_DST_PORT_HIGH],
 889                 v->field[DSTP_FIELD_IPV6].mask_range.u16,
 890                 0, UINT16_MAX, 0);
 891
 892         if (strncmp(in[CB_FLD_DST_PORT_DLM], cb_port_delim,
 893                         sizeof(cb_port_delim)) != 0)
 894                 return -EINVAL;
 895
 896         if (v->field[SRCP_FIELD_IPV6].mask_range.u16
 897                         < v->field[SRCP_FIELD_IPV6].value.u16
 898                         || v->field[DSTP_FIELD_IPV6].mask_range.u16
 899                         < v->field[DSTP_FIELD_IPV6].value.u16)
 900                 return -EINVAL;
 901
 902         GET_CB_FIELD(in[CB_FLD_PROTO], v->field[PROTO_FIELD_IPV6].value.u8,
 903                 0, UINT8_MAX, '/');
 904         GET_CB_FIELD(in[CB_FLD_PROTO], v->field[PROTO_FIELD_IPV6].mask_range.u8,
 905                 0, UINT8_MAX, 0);
 906
 907         if (has_userdata)
 908                 GET_CB_FIELD(in[CB_FLD_USERDATA], v->data.userdata,
 909                         0, UINT32_MAX, 0);
 910
 911         return 0;
 912 }
 913
 914 /*
 915  * Parse ClassBench rules file.
 916  * Expected format:
 917  * '@'<src_ipv4_addr>'/'<masklen> <space> \
 918  * <dst_ipv4_addr>'/'<masklen> <space> \
 919  * <src_port_low> <space> ":" <src_port_high> <space> \
 920  * <dst_port_low> <space> ":" <dst_port_high> <space> \
 921  * <proto>'/'<mask>
 922  */
 923 static int
 924 parse_ipv4_net(const char *in, uint32_t *addr, uint32_t *mask_len)
 925 {
 926         uint8_t a, b, c, d, m;
 927
 928         GET_CB_FIELD(in, a, 0, UINT8_MAX, '.');
 929         GET_CB_FIELD(in, b, 0, UINT8_MAX, '.');
 930         GET_CB_FIELD(in, c, 0, UINT8_MAX, '.');
 931         GET_CB_FIELD(in, d, 0, UINT8_MAX, '/');
 932         GET_CB_FIELD(in, m, 0, sizeof(uint32_t) * CHAR_BIT, 0);
 933
 934         addr[0] = IPv4(a, b, c, d);
 935         mask_len[0] = m;
 936
 937         return 0;
 938 }
 939
 940 static int
 941 parse_cb_ipv4vlan_rule(char *str, struct rte_acl_rule *v, int has_userdata)
 942 {
 943         int i, rc;
 944         char *s, *sp, *in[CB_FLD_NUM];
 945         static const char *dlm = " \t\n";
 946         int dim = has_userdata ? CB_FLD_NUM : CB_FLD_USERDATA;
 947         s = str;
 948
 949         for (i = 0; i != dim; i++, s = NULL) {
 950                 in[i] = strtok_r(s, dlm, &sp);
 951                 if (in[i] == NULL)
 952                         return -EINVAL;
 953         }
 954
 955         rc = parse_ipv4_net(in[CB_FLD_SRC_ADDR],
 956                         &v->field[SRC_FIELD_IPV4].value.u32,
 957                         &v->field[SRC_FIELD_IPV4].mask_range.u32);
 958         if (rc != 0) {
 959                         acl_log("failed to read source address/mask: %s\n",
 960                         in[CB_FLD_SRC_ADDR]);
 961                 return rc;
 962         }
 963
 964         rc = parse_ipv4_net(in[CB_FLD_DST_ADDR],
 965                         &v->field[DST_FIELD_IPV4].value.u32,
 966                         &v->field[DST_FIELD_IPV4].mask_range.u32);
 967         if (rc != 0) {
 968                 acl_log("failed to read destination address/mask: %s\n",
 969                         in[CB_FLD_DST_ADDR]);
 970                 return rc;
 971         }
 972
 973         GET_CB_FIELD(in[CB_FLD_SRC_PORT_LOW],
 974                 v->field[SRCP_FIELD_IPV4].value.u16,
 975                 0, UINT16_MAX, 0);
 976         GET_CB_FIELD(in[CB_FLD_SRC_PORT_HIGH],
 977                 v->field[SRCP_FIELD_IPV4].mask_range.u16,
 978                 0, UINT16_MAX, 0);
 979
 980         if (strncmp(in[CB_FLD_SRC_PORT_DLM], cb_port_delim,
 981                         sizeof(cb_port_delim)) != 0)
 982                 return -EINVAL;
 983
 984         GET_CB_FIELD(in[CB_FLD_DST_PORT_LOW],
 985                 v->field[DSTP_FIELD_IPV4].value.u16,
 986                 0, UINT16_MAX, 0);
 987         GET_CB_FIELD(in[CB_FLD_DST_PORT_HIGH],
 988                 v->field[DSTP_FIELD_IPV4].mask_range.u16,
 989                 0, UINT16_MAX, 0);
 990
 991         if (strncmp(in[CB_FLD_DST_PORT_DLM], cb_port_delim,
 992                         sizeof(cb_port_delim)) != 0)
 993                 return -EINVAL;
 994
 995         if (v->field[SRCP_FIELD_IPV4].mask_range.u16
 996                         < v->field[SRCP_FIELD_IPV4].value.u16
 997                         || v->field[DSTP_FIELD_IPV4].mask_range.u16
 998                         < v->field[DSTP_FIELD_IPV4].value.u16)
 999                 return -EINVAL;
1000
1001         GET_CB_FIELD(in[CB_FLD_PROTO], v->field[PROTO_FIELD_IPV4].value.u8,
1002                 0, UINT8_MAX, '/');
1003         GET_CB_FIELD(in[CB_FLD_PROTO], v->field[PROTO_FIELD_IPV4].mask_range.u8,
1004                 0, UINT8_MAX, 0);
1005
1006         if (has_userdata)
1007                 GET_CB_FIELD(in[CB_FLD_USERDATA], v->data.userdata, 0,
1008                         UINT32_MAX, 0);
1009
1010         return 0;
1011 }
1012
1013 static int
1014 add_rules(const char *rule_path,
1015                 struct rte_acl_rule **proute_base,
1016                 unsigned int *proute_num,
1017                 struct rte_acl_rule **pacl_base,
1018                 unsigned int *pacl_num, uint32_t rule_size,
1019                 int (*parser)(char *, struct rte_acl_rule*, int))
1020 {
1021         uint8_t *acl_rules, *route_rules;
1022         struct rte_acl_rule *next;
1023         unsigned int acl_num = 0, route_num = 0, total_num = 0;
1024         unsigned int acl_cnt = 0, route_cnt = 0;
1025         char buff[LINE_MAX];
1026         FILE *fh = fopen(rule_path, "rb");
1027         unsigned int i = 0;
1028
1029         if (fh == NULL)
1030                 rte_exit(EXIT_FAILURE, "%s: Open %s failed\n", __func__,
1031                         rule_path);
1032
1033         while ((fgets(buff, LINE_MAX, fh) != NULL)) {
1034                 if (buff[0] == ROUTE_LEAD_CHAR)
1035                         route_num++;
1036                 else if (buff[0] == ACL_LEAD_CHAR)
1037                         acl_num++;
1038         }
1039
1040         if (0 == route_num)
1041                 rte_exit(EXIT_FAILURE, "Not find any route entries in %s!\n",
1042                                 rule_path);
1043
1044         fseek(fh, 0, SEEK_SET);
1045
1046         acl_rules = calloc(acl_num, rule_size);
1047
1048         if (NULL == acl_rules)
1049                 rte_exit(EXIT_FAILURE, "%s: failed to malloc memory\n",
1050                         __func__);
1051
1052         route_rules = calloc(route_num, rule_size);
1053
1054         if (NULL == route_rules)
1055                 rte_exit(EXIT_FAILURE, "%s: failed to malloc memory\n",
1056                         __func__);
1057
1058         i = 0;
1059         while (fgets(buff, LINE_MAX, fh) != NULL) {
1060                 i++;
1061
1062                 if (is_bypass_line(buff))
1063                         continue;
1064
1065                 char s = buff[0];
1066
1067                 /* Route entry */
1068                 if (s == ROUTE_LEAD_CHAR)
1069                         next = (struct rte_acl_rule *)(route_rules +
1070                                 route_cnt * rule_size);
1071
1072                 /* ACL entry */
1073                 else if (s == ACL_LEAD_CHAR)
1074                         next = (struct rte_acl_rule *)(acl_rules +
1075                                 acl_cnt * rule_size);
1076
1077                 /* Illegal line */
1078                 else
1079                         rte_exit(EXIT_FAILURE,
1080                                 "%s Line %u: should start with leading "
1081                                 "char %c or %c\n",
1082                                 rule_path, i, ROUTE_LEAD_CHAR, ACL_LEAD_CHAR);
1083
1084                 if (parser(buff + 1, next, s == ROUTE_LEAD_CHAR) != 0)
1085                         rte_exit(EXIT_FAILURE,
1086                                 "%s Line %u: parse rules error\n",
1087                                 rule_path, i);
1088
1089                 if (s == ROUTE_LEAD_CHAR) {
1090                         /* Check the forwarding port number */
1091                         if ((enabled_port_mask & (1 << next->data.userdata)) ==
1092                                         0)
1093                                 rte_exit(EXIT_FAILURE,
1094                                         "%s Line %u: fwd number illegal:%u\n",
1095                                         rule_path, i, next->data.userdata);
1096                         next->data.userdata += FWD_PORT_SHIFT;
1097                         route_cnt++;
1098                 } else {
1099                         next->data.userdata = ACL_DENY_SIGNATURE + acl_cnt;
1100                         acl_cnt++;
1101                 }
1102
1103                 next->data.priority = RTE_ACL_MAX_PRIORITY - total_num;
1104                 next->data.category_mask = -1;
1105                 total_num++;
1106         }
1107
1108         fclose(fh);
1109
1110         *pacl_base = (struct rte_acl_rule *)acl_rules;
1111         *pacl_num = acl_num;
1112         *proute_base = (struct rte_acl_rule *)route_rules;
1113         *proute_num = route_cnt;
1114
1115         return 0;
1116 }
1117
1118 static void
1119 dump_acl_config(void)
1120 {
1121         printf("ACL option are:\n");
1122         printf(OPTION_RULE_IPV4": %s\n", parm_config.rule_ipv4_name);
1123         printf(OPTION_RULE_IPV6": %s\n", parm_config.rule_ipv6_name);
1124         printf(OPTION_SCALAR": %d\n", parm_config.scalar);
1125 }
1126
1127 static int
1128 check_acl_config(void)
1129 {
1130         if (parm_config.rule_ipv4_name == NULL) {
1131                 acl_log("ACL IPv4 rule file not specified\n");
1132                 return -1;
1133         } else if (parm_config.rule_ipv6_name == NULL) {
1134                 acl_log("ACL IPv6 rule file not specified\n");
1135                 return -1;
1136         }
1137
1138         return 0;
1139 }
1140
1141 static struct rte_acl_ctx*
1142 setup_acl(struct rte_acl_rule *route_base,
1143                 struct rte_acl_rule *acl_base, unsigned int route_num,
1144                 unsigned int acl_num, int ipv6, int socketid)
1145 {
1146         char name[PATH_MAX];
1147         struct rte_acl_param acl_param;
1148         struct rte_acl_config acl_build_param;
1149         struct rte_acl_ctx *context;
1150         int dim = ipv6 ? RTE_DIM(ipv6_defs) : RTE_DIM(ipv4_defs);
1151
1152         /* Create ACL contexts */
1153         snprintf(name, sizeof(name), "%s%d",
1154                         ipv6 ? L3FWD_ACL_IPV6_NAME : L3FWD_ACL_IPV4_NAME,
1155                         socketid);
1156
1157         acl_param.name = name;
1158         acl_param.socket_id = socketid;
1159         acl_param.rule_size = RTE_ACL_RULE_SZ(dim);
1160         acl_param.max_rule_num = MAX_ACL_RULE_NUM;
1161
1162         if ((context = rte_acl_create(&acl_param)) == NULL)
1163                 rte_exit(EXIT_FAILURE, "Failed to create ACL context\n");
1164
1165         if (parm_config.scalar && rte_acl_set_ctx_classify(context,
1166                         RTE_ACL_CLASSIFY_SCALAR) != 0)
1167                 rte_exit(EXIT_FAILURE,
1168                         "Failed to setup classify method for  ACL context\n");
1169
1170         if (rte_acl_add_rules(context, route_base, route_num) < 0)
1171                         rte_exit(EXIT_FAILURE, "add rules failed\n");
1172
1173         if (rte_acl_add_rules(context, acl_base, acl_num) < 0)
1174                         rte_exit(EXIT_FAILURE, "add rules failed\n");
1175
1176         /* Perform builds */
1177         memset(&acl_build_param, 0, sizeof(acl_build_param));
1178
1179         acl_build_param.num_categories = DEFAULT_MAX_CATEGORIES;
1180         acl_build_param.num_fields = dim;
1181         memcpy(&acl_build_param.defs, ipv6 ? ipv6_defs : ipv4_defs,
1182                 ipv6 ? sizeof(ipv6_defs) : sizeof(ipv4_defs));
1183
1184         if (rte_acl_build(context, &acl_build_param) != 0)
1185                 rte_exit(EXIT_FAILURE, "Failed to build ACL trie\n");
1186
1187         rte_acl_dump(context);
1188
1189         return context;
1190 }
1191
1192 static int
1193 app_acl_init(void)
1194 {
1195         unsigned lcore_id;
1196         unsigned int i;
1197         int socketid;
1198         struct rte_acl_rule *acl_base_ipv4, *route_base_ipv4,
1199                 *acl_base_ipv6, *route_base_ipv6;
1200         unsigned int acl_num_ipv4 = 0, route_num_ipv4 = 0,
1201                 acl_num_ipv6 = 0, route_num_ipv6 = 0;
1202
1203         if (check_acl_config() != 0)
1204                 rte_exit(EXIT_FAILURE, "Failed to get valid ACL options\n");
1205
1206         dump_acl_config();
1207
1208         /* Load  rules from the input file */
1209         if (add_rules(parm_config.rule_ipv4_name, &route_base_ipv4,
1210                         &route_num_ipv4, &acl_base_ipv4, &acl_num_ipv4,
1211                         sizeof(struct acl4_rule), &parse_cb_ipv4vlan_rule) < 0)
1212                 rte_exit(EXIT_FAILURE, "Failed to add rules\n");
1213
1214         acl_log("IPv4 Route entries %u:\n", route_num_ipv4);
1215         dump_ipv4_rules((struct acl4_rule *)route_base_ipv4, route_num_ipv4, 1);
1216
1217         acl_log("IPv4 ACL entries %u:\n", acl_num_ipv4);
1218         dump_ipv4_rules((struct acl4_rule *)acl_base_ipv4, acl_num_ipv4, 1);
1219
1220         if (add_rules(parm_config.rule_ipv6_name, &route_base_ipv6,
1221                         &route_num_ipv6,
1222                         &acl_base_ipv6, &acl_num_ipv6,
1223                         sizeof(struct acl6_rule), &parse_cb_ipv6_rule) < 0)
1224                 rte_exit(EXIT_FAILURE, "Failed to add rules\n");
1225
1226         acl_log("IPv6 Route entries %u:\n", route_num_ipv6);
1227         dump_ipv6_rules((struct acl6_rule *)route_base_ipv6, route_num_ipv6, 1);
1228
1229         acl_log("IPv6 ACL entries %u:\n", acl_num_ipv6);
1230         dump_ipv6_rules((struct acl6_rule *)acl_base_ipv6, acl_num_ipv6, 1);
1231
1232         memset(&acl_config, 0, sizeof(acl_config));
1233
1234         /* Check sockets a context should be created on */
1235         if (!numa_on)
1236                 acl_config.mapped[0] = 1;
1237         else {
1238                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1239                         if (rte_lcore_is_enabled(lcore_id) == 0)
1240                                 continue;
1241
1242                         socketid = rte_lcore_to_socket_id(lcore_id);
1243                         if (socketid >= NB_SOCKETS) {
1244                                 acl_log("Socket %d of lcore %u is out "
1245                                         "of range %d\n",
1246                                         socketid, lcore_id, NB_SOCKETS);
1247                                 free(route_base_ipv4);
1248                                 free(route_base_ipv6);
1249                                 free(acl_base_ipv4);
1250                                 free(acl_base_ipv6);
1251                                 return -1;
1252                         }
1253
1254                         acl_config.mapped[socketid] = 1;
1255                 }
1256         }
1257
1258         for (i = 0; i < NB_SOCKETS; i++) {
1259                 if (acl_config.mapped[i]) {
1260                         acl_config.acx_ipv4[i] = setup_acl(route_base_ipv4,
1261                                 acl_base_ipv4, route_num_ipv4, acl_num_ipv4,
1262                                 0, i);
1263
1264                         acl_config.acx_ipv6[i] = setup_acl(route_base_ipv6,
1265                                 acl_base_ipv6, route_num_ipv6, acl_num_ipv6,
1266                                 1, i);
1267                 }
1268         }
1269
1270         free(route_base_ipv4);
1271         free(route_base_ipv6);
1272
1273 #ifdef L3FWDACL_DEBUG
1274         acl_config.rule_ipv4 = (struct acl4_rule *)acl_base_ipv4;
1275         acl_config.rule_ipv6 = (struct acl6_rule *)acl_base_ipv6;
1276 #else
1277         free(acl_base_ipv4);
1278         free(acl_base_ipv6);
1279 #endif
1280
1281         return 0;
1282 }
1283
1284 /***********************end of ACL part******************************/
1285
1286 struct lcore_conf {
1287         uint16_t n_rx_queue;
1288         struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
1289         uint16_t n_tx_port;
1290         uint16_t tx_port_id[RTE_MAX_ETHPORTS];
1291         uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
1292         struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS];
1293 } __rte_cache_aligned;
1294
1295 static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
1296
1297 /* Enqueue a single packet, and send burst if queue is filled */
1298 static inline void
1299 send_single_packet(struct rte_mbuf *m, uint8_t port)
1300 {
1301         uint32_t lcore_id;
1302         struct lcore_conf *qconf;
1303
1304         lcore_id = rte_lcore_id();
1305
1306         qconf = &lcore_conf[lcore_id];
1307         rte_eth_tx_buffer(port, qconf->tx_queue_id[port],
1308                         qconf->tx_buffer[port], m);
1309 }
1310
1311 #ifdef DO_RFC_1812_CHECKS
1312 static inline int
1313 is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len)
1314 {
1315         /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */
1316         /*
1317          * 1. The packet length reported by the Link Layer must be large
1318          * enough to hold the minimum length legal IP datagram (20 bytes).
1319          */
1320         if (link_len < sizeof(struct ipv4_hdr))
1321                 return -1;
1322
1323         /* 2. The IP checksum must be correct. */
1324         /* this is checked in H/W */
1325
1326         /*
1327          * 3. The IP version number must be 4. If the version number is not 4
1328          * then the packet may be another version of IP, such as IPng or
1329          * ST-II.
1330          */
1331         if (((pkt->version_ihl) >> 4) != 4)
1332                 return -3;
1333         /*
1334          * 4. The IP header length field must be large enough to hold the
1335          * minimum length legal IP datagram (20 bytes = 5 words).
1336          */
1337         if ((pkt->version_ihl & 0xf) < 5)
1338                 return -4;
1339
1340         /*
1341          * 5. The IP total length field must be large enough to hold the IP
1342          * datagram header, whose length is specified in the IP header length
1343          * field.
1344          */
1345         if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr))
1346                 return -5;
1347
1348         return 0;
1349 }
1350 #endif
1351
1352 /* main processing loop */
1353 static int
1354 main_loop(__attribute__((unused)) void *dummy)
1355 {
1356         struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
1357         unsigned lcore_id;
1358         uint64_t prev_tsc, diff_tsc, cur_tsc;
1359         int i, nb_rx;
1360         uint8_t portid, queueid;
1361         struct lcore_conf *qconf;
1362         int socketid;
1363         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1)
1364                         / US_PER_S * BURST_TX_DRAIN_US;
1365
1366         prev_tsc = 0;
1367         lcore_id = rte_lcore_id();
1368         qconf = &lcore_conf[lcore_id];
1369         socketid = rte_lcore_to_socket_id(lcore_id);
1370
1371         if (qconf->n_rx_queue == 0) {
1372                 RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id);
1373                 return 0;
1374         }
1375
1376         RTE_LOG(INFO, L3FWD, "entering main loop on lcore %u\n", lcore_id);
1377
1378         for (i = 0; i < qconf->n_rx_queue; i++) {
1379
1380                 portid = qconf->rx_queue_list[i].port_id;
1381                 queueid = qconf->rx_queue_list[i].queue_id;
1382                 RTE_LOG(INFO, L3FWD,
1383                         " -- lcoreid=%u portid=%hhu rxqueueid=%hhu\n",
1384                         lcore_id, portid, queueid);
1385         }
1386
1387         while (1) {
1388
1389                 cur_tsc = rte_rdtsc();
1390
1391                 /*
1392                  * TX burst queue drain
1393                  */
1394                 diff_tsc = cur_tsc - prev_tsc;
1395                 if (unlikely(diff_tsc > drain_tsc)) {
1396                         for (i = 0; i < qconf->n_tx_port; ++i) {
1397                                 portid = qconf->tx_port_id[i];
1398                                 rte_eth_tx_buffer_flush(portid,
1399                                                 qconf->tx_queue_id[portid],
1400                                                 qconf->tx_buffer[portid]);
1401                         }
1402                         prev_tsc = cur_tsc;
1403                 }
1404
1405                 /*
1406                  * Read packet from RX queues
1407                  */
1408                 for (i = 0; i < qconf->n_rx_queue; ++i) {
1409
1410                         portid = qconf->rx_queue_list[i].port_id;
1411                         queueid = qconf->rx_queue_list[i].queue_id;
1412                         nb_rx = rte_eth_rx_burst(portid, queueid,
1413                                 pkts_burst, MAX_PKT_BURST);
1414
1415                         if (nb_rx > 0) {
1416                                 struct acl_search_t acl_search;
1417
1418                                 prepare_acl_parameter(pkts_burst, &acl_search,
1419                                         nb_rx);
1420
1421                                 if (acl_search.num_ipv4) {
1422                                         rte_acl_classify(
1423                                                 acl_config.acx_ipv4[socketid],
1424                                                 acl_search.data_ipv4,
1425                                                 acl_search.res_ipv4,
1426                                                 acl_search.num_ipv4,
1427                                                 DEFAULT_MAX_CATEGORIES);
1428
1429                                         send_packets(acl_search.m_ipv4,
1430                                                 acl_search.res_ipv4,
1431                                                 acl_search.num_ipv4);
1432                                 }
1433
1434                                 if (acl_search.num_ipv6) {
1435                                         rte_acl_classify(
1436                                                 acl_config.acx_ipv6[socketid],
1437                                                 acl_search.data_ipv6,
1438                                                 acl_search.res_ipv6,
1439                                                 acl_search.num_ipv6,
1440                                                 DEFAULT_MAX_CATEGORIES);
1441
1442                                         send_packets(acl_search.m_ipv6,
1443                                                 acl_search.res_ipv6,
1444                                                 acl_search.num_ipv6);
1445                                 }
1446                         }
1447                 }
1448         }
1449 }
1450
1451 static int
1452 check_lcore_params(void)
1453 {
1454         uint8_t queue, lcore;
1455         uint16_t i;
1456         int socketid;
1457
1458         for (i = 0; i < nb_lcore_params; ++i) {
1459                 queue = lcore_params[i].queue_id;
1460                 if (queue >= MAX_RX_QUEUE_PER_PORT) {
1461                         printf("invalid queue number: %hhu\n", queue);
1462                         return -1;
1463                 }
1464                 lcore = lcore_params[i].lcore_id;
1465                 if (!rte_lcore_is_enabled(lcore)) {
1466                         printf("error: lcore %hhu is not enabled in "
1467                                 "lcore mask\n", lcore);
1468                         return -1;
1469                 }
1470                 socketid = rte_lcore_to_socket_id(lcore);
1471                 if (socketid != 0 && numa_on == 0) {
1472                         printf("warning: lcore %hhu is on socket %d "
1473                                 "with numa off\n",
1474                                 lcore, socketid);
1475                 }
1476         }
1477         return 0;
1478 }
1479
1480 static int
1481 check_port_config(const unsigned nb_ports)
1482 {
1483         unsigned portid;
1484         uint16_t i;
1485
1486         for (i = 0; i < nb_lcore_params; ++i) {
1487                 portid = lcore_params[i].port_id;
1488
1489                 if ((enabled_port_mask & (1 << portid)) == 0) {
1490                         printf("port %u is not enabled in port mask\n", portid);
1491                         return -1;
1492                 }
1493                 if (portid >= nb_ports) {
1494                         printf("port %u is not present on the board\n", portid);
1495                         return -1;
1496                 }
1497         }
1498         return 0;
1499 }
1500
1501 static uint8_t
1502 get_port_n_rx_queues(const uint8_t port)
1503 {
1504         int queue = -1;
1505         uint16_t i;
1506
1507         for (i = 0; i < nb_lcore_params; ++i) {
1508                 if (lcore_params[i].port_id == port &&
1509                                 lcore_params[i].queue_id > queue)
1510                         queue = lcore_params[i].queue_id;
1511         }
1512         return (uint8_t)(++queue);
1513 }
1514
1515 static int
1516 init_lcore_rx_queues(void)
1517 {
1518         uint16_t i, nb_rx_queue;
1519         uint8_t lcore;
1520
1521         for (i = 0; i < nb_lcore_params; ++i) {
1522                 lcore = lcore_params[i].lcore_id;
1523                 nb_rx_queue = lcore_conf[lcore].n_rx_queue;
1524                 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
1525                         printf("error: too many queues (%u) for lcore: %u\n",
1526                                 (unsigned)nb_rx_queue + 1, (unsigned)lcore);
1527                         return -1;
1528                 } else {
1529                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
1530                                 lcore_params[i].port_id;
1531                         lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
1532                                 lcore_params[i].queue_id;
1533                         lcore_conf[lcore].n_rx_queue++;
1534                 }
1535         }
1536         return 0;
1537 }
1538
1539 /* display usage */
1540 static void
1541 print_usage(const char *prgname)
1542 {
1543         printf("%s [EAL options] -- -p PORTMASK -P"
1544                 "--"OPTION_RULE_IPV4"=FILE"
1545                 "--"OPTION_RULE_IPV6"=FILE"
1546                 "  [--"OPTION_CONFIG" (port,queue,lcore)[,(port,queue,lcore]]"
1547                 "  [--"OPTION_ENBJMO" [--max-pkt-len PKTLEN]]\n"
1548                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
1549                 "  -P : enable promiscuous mode\n"
1550                 "  --"OPTION_CONFIG": (port,queue,lcore): "
1551                 "rx queues configuration\n"
1552                 "  --"OPTION_NONUMA": optional, disable numa awareness\n"
1553                 "  --"OPTION_ENBJMO": enable jumbo frame"
1554                 " which max packet len is PKTLEN in decimal (64-9600)\n"
1555                 "  --"OPTION_RULE_IPV4"=FILE: specify the ipv4 rules entries "
1556                 "file. "
1557                 "Each rule occupy one line. "
1558                 "2 kinds of rules are supported. "
1559                 "One is ACL entry at while line leads with character '%c', "
1560                 "another is route entry at while line leads with "
1561                 "character '%c'.\n"
1562                 "  --"OPTION_RULE_IPV6"=FILE: specify the ipv6 rules "
1563                 "entries file.\n"
1564                 "  --"OPTION_SCALAR": Use scalar function to do lookup\n",
1565                 prgname, ACL_LEAD_CHAR, ROUTE_LEAD_CHAR);
1566 }
1567
1568 static int
1569 parse_max_pkt_len(const char *pktlen)
1570 {
1571         char *end = NULL;
1572         unsigned long len;
1573
1574         /* parse decimal string */
1575         len = strtoul(pktlen, &end, 10);
1576         if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0'))
1577                 return -1;
1578
1579         if (len == 0)
1580                 return -1;
1581
1582         return len;
1583 }
1584
1585 static int
1586 parse_portmask(const char *portmask)
1587 {
1588         char *end = NULL;
1589         unsigned long pm;
1590
1591         /* parse hexadecimal string */
1592         pm = strtoul(portmask, &end, 16);
1593         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
1594                 return -1;
1595
1596         if (pm == 0)
1597                 return -1;
1598
1599         return pm;
1600 }
1601
1602 static int
1603 parse_config(const char *q_arg)
1604 {
1605         char s[256];
1606         const char *p, *p0 = q_arg;
1607         char *end;
1608         enum fieldnames {
1609                 FLD_PORT = 0,
1610                 FLD_QUEUE,
1611                 FLD_LCORE,
1612                 _NUM_FLD
1613         };
1614         unsigned long int_fld[_NUM_FLD];
1615         char *str_fld[_NUM_FLD];
1616         int i;
1617         unsigned size;
1618
1619         nb_lcore_params = 0;
1620
1621         while ((p = strchr(p0, '(')) != NULL) {
1622                 ++p;
1623                 if ((p0 = strchr(p, ')')) == NULL)
1624                         return -1;
1625
1626                 size = p0 - p;
1627                 if (size >= sizeof(s))
1628                         return -1;
1629
1630                 snprintf(s, sizeof(s), "%.*s", size, p);
1631                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
1632                                 _NUM_FLD)
1633                         return -1;
1634                 for (i = 0; i < _NUM_FLD; i++) {
1635                         errno = 0;
1636                         int_fld[i] = strtoul(str_fld[i], &end, 0);
1637                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
1638                                 return -1;
1639                 }
1640                 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
1641                         printf("exceeded max number of lcore params: %hu\n",
1642                                 nb_lcore_params);
1643                         return -1;
1644                 }
1645                 lcore_params_array[nb_lcore_params].port_id =
1646                         (uint8_t)int_fld[FLD_PORT];
1647                 lcore_params_array[nb_lcore_params].queue_id =
1648                         (uint8_t)int_fld[FLD_QUEUE];
1649                 lcore_params_array[nb_lcore_params].lcore_id =
1650                         (uint8_t)int_fld[FLD_LCORE];
1651                 ++nb_lcore_params;
1652         }
1653         lcore_params = lcore_params_array;
1654         return 0;
1655 }
1656
1657 /* Parse the argument given in the command line of the application */
1658 static int
1659 parse_args(int argc, char **argv)
1660 {
1661         int opt, ret;
1662         char **argvopt;
1663         int option_index;
1664         char *prgname = argv[0];
1665         static struct option lgopts[] = {
1666                 {OPTION_CONFIG, 1, 0, 0},
1667                 {OPTION_NONUMA, 0, 0, 0},
1668                 {OPTION_ENBJMO, 0, 0, 0},
1669                 {OPTION_RULE_IPV4, 1, 0, 0},
1670                 {OPTION_RULE_IPV6, 1, 0, 0},
1671                 {OPTION_SCALAR, 0, 0, 0},
1672                 {NULL, 0, 0, 0}
1673         };
1674
1675         argvopt = argv;
1676
1677         while ((opt = getopt_long(argc, argvopt, "p:P",
1678                                 lgopts, &option_index)) != EOF) {
1679
1680                 switch (opt) {
1681                 /* portmask */
1682                 case 'p':
1683                         enabled_port_mask = parse_portmask(optarg);
1684                         if (enabled_port_mask == 0) {
1685                                 printf("invalid portmask\n");
1686                                 print_usage(prgname);
1687                                 return -1;
1688                         }
1689                         break;
1690                 case 'P':
1691                         printf("Promiscuous mode selected\n");
1692                         promiscuous_on = 1;
1693                         break;
1694
1695                 /* long options */
1696                 case 0:
1697                         if (!strncmp(lgopts[option_index].name,
1698                                         OPTION_CONFIG,
1699                                         sizeof(OPTION_CONFIG))) {
1700                                 ret = parse_config(optarg);
1701                                 if (ret) {
1702                                         printf("invalid config\n");
1703                                         print_usage(prgname);
1704                                         return -1;
1705                                 }
1706                         }
1707
1708                         if (!strncmp(lgopts[option_index].name,
1709                                         OPTION_NONUMA,
1710                                         sizeof(OPTION_NONUMA))) {
1711                                 printf("numa is disabled\n");
1712                                 numa_on = 0;
1713                         }
1714
1715                         if (!strncmp(lgopts[option_index].name,
1716                                         OPTION_ENBJMO, sizeof(OPTION_ENBJMO))) {
1717                                 struct option lenopts = {
1718                                         "max-pkt-len",
1719                                         required_argument,
1720                                         0,
1721                                         0
1722                                 };
1723
1724                                 printf("jumbo frame is enabled\n");
1725                                 port_conf.rxmode.jumbo_frame = 1;
1726
1727                                 /*
1728                                  * if no max-pkt-len set, then use the
1729                                  * default value ETHER_MAX_LEN
1730                                  */
1731                                 if (0 == getopt_long(argc, argvopt, "",
1732                                                 &lenopts, &option_index)) {
1733                                         ret = parse_max_pkt_len(optarg);
1734                                         if ((ret < 64) ||
1735                                                 (ret > MAX_JUMBO_PKT_LEN)) {
1736                                                 printf("invalid packet "
1737                                                         "length\n");
1738                                                 print_usage(prgname);
1739                                                 return -1;
1740                                         }
1741                                         port_conf.rxmode.max_rx_pkt_len = ret;
1742                                 }
1743                                 printf("set jumbo frame max packet length "
1744                                         "to %u\n",
1745                                         (unsigned int)
1746                                         port_conf.rxmode.max_rx_pkt_len);
1747                         }
1748
1749                         if (!strncmp(lgopts[option_index].name,
1750                                         OPTION_RULE_IPV4,
1751                                         sizeof(OPTION_RULE_IPV4)))
1752                                 parm_config.rule_ipv4_name = optarg;
1753
1754                         if (!strncmp(lgopts[option_index].name,
1755                                         OPTION_RULE_IPV6,
1756                                         sizeof(OPTION_RULE_IPV6))) {
1757                                 parm_config.rule_ipv6_name = optarg;
1758                         }
1759
1760                         if (!strncmp(lgopts[option_index].name,
1761                                         OPTION_SCALAR, sizeof(OPTION_SCALAR)))
1762                                 parm_config.scalar = 1;
1763
1764
1765                         break;
1766
1767                 default:
1768                         print_usage(prgname);
1769                         return -1;
1770                 }
1771         }
1772
1773         if (optind >= 0)
1774                 argv[optind-1] = prgname;
1775
1776         ret = optind-1;
1777         optind = 0; /* reset getopt lib */
1778         return ret;
1779 }
1780
1781 static void
1782 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
1783 {
1784         char buf[ETHER_ADDR_FMT_SIZE];
1785         ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
1786         printf("%s%s", name, buf);
1787 }
1788
1789 static int
1790 init_mem(unsigned nb_mbuf)
1791 {
1792         int socketid;
1793         unsigned lcore_id;
1794         char s[64];
1795
1796         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1797                 if (rte_lcore_is_enabled(lcore_id) == 0)
1798                         continue;
1799
1800                 if (numa_on)
1801                         socketid = rte_lcore_to_socket_id(lcore_id);
1802                 else
1803                         socketid = 0;
1804
1805                 if (socketid >= NB_SOCKETS) {
1806                         rte_exit(EXIT_FAILURE,
1807                                 "Socket %d of lcore %u is out of range %d\n",
1808                                 socketid, lcore_id, NB_SOCKETS);
1809                 }
1810                 if (pktmbuf_pool[socketid] == NULL) {
1811                         snprintf(s, sizeof(s), "mbuf_pool_%d", socketid);
1812                         pktmbuf_pool[socketid] =
1813                                 rte_pktmbuf_pool_create(s, nb_mbuf,
1814                                         MEMPOOL_CACHE_SIZE, 0,
1815                                         RTE_MBUF_DEFAULT_BUF_SIZE,
1816                                         socketid);
1817                         if (pktmbuf_pool[socketid] == NULL)
1818                                 rte_exit(EXIT_FAILURE,
1819                                         "Cannot init mbuf pool on socket %d\n",
1820                                         socketid);
1821                         else
1822                                 printf("Allocated mbuf pool on socket %d\n",
1823                                         socketid);
1824                 }
1825         }
1826         return 0;
1827 }
1828
1829 /* Check the link status of all ports in up to 9s, and print them finally */
1830 static void
1831 check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
1832 {
1833 #define CHECK_INTERVAL 100 /* 100ms */
1834 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1835         uint8_t portid, count, all_ports_up, print_flag = 0;
1836         struct rte_eth_link link;
1837
1838         printf("\nChecking link status");
1839         fflush(stdout);
1840         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1841                 all_ports_up = 1;
1842                 for (portid = 0; portid < port_num; portid++) {
1843                         if ((port_mask & (1 << portid)) == 0)
1844                                 continue;
1845                         memset(&link, 0, sizeof(link));
1846                         rte_eth_link_get_nowait(portid, &link);
1847                         /* print link status if flag set */
1848                         if (print_flag == 1) {
1849                                 if (link.link_status)
1850                                         printf("Port %d Link Up - speed %u "
1851                                                 "Mbps - %s\n", (uint8_t)portid,
1852                                                 (unsigned)link.link_speed,
1853                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1854                                         ("full-duplex") : ("half-duplex\n"));
1855                                 else
1856                                         printf("Port %d Link Down\n",
1857                                                 (uint8_t)portid);
1858                                 continue;
1859                         }
1860                         /* clear all_ports_up flag if any link down */
1861                         if (link.link_status == ETH_LINK_DOWN) {
1862                                 all_ports_up = 0;
1863                                 break;
1864                         }
1865                 }
1866                 /* after finally printing all link status, get out */
1867                 if (print_flag == 1)
1868                         break;
1869
1870                 if (all_ports_up == 0) {
1871                         printf(".");
1872                         fflush(stdout);
1873                         rte_delay_ms(CHECK_INTERVAL);
1874                 }
1875
1876                 /* set the print_flag if all ports up or timeout */
1877                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1878                         print_flag = 1;
1879                         printf("done\n");
1880                 }
1881         }
1882 }
1883
1884 int
1885 main(int argc, char **argv)
1886 {
1887         struct lcore_conf *qconf;
1888         struct rte_eth_dev_info dev_info;
1889         struct rte_eth_txconf *txconf;
1890         int ret;
1891         unsigned nb_ports;
1892         uint16_t queueid;
1893         unsigned lcore_id;
1894         uint32_t n_tx_queue, nb_lcores;
1895         uint8_t portid, nb_rx_queue, queue, socketid;
1896
1897         /* init EAL */
1898         ret = rte_eal_init(argc, argv);
1899         if (ret < 0)
1900                 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1901         argc -= ret;
1902         argv += ret;
1903
1904         /* parse application arguments (after the EAL ones) */
1905         ret = parse_args(argc, argv);
1906         if (ret < 0)
1907                 rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
1908
1909         if (check_lcore_params() < 0)
1910                 rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
1911
1912         ret = init_lcore_rx_queues();
1913         if (ret < 0)
1914                 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1915
1916         nb_ports = rte_eth_dev_count();
1917         if (nb_ports > RTE_MAX_ETHPORTS)
1918                 nb_ports = RTE_MAX_ETHPORTS;
1919
1920         if (check_port_config(nb_ports) < 0)
1921                 rte_exit(EXIT_FAILURE, "check_port_config failed\n");
1922
1923         /* Add ACL rules and route entries, build trie */
1924         if (app_acl_init() < 0)
1925                 rte_exit(EXIT_FAILURE, "app_acl_init failed\n");
1926
1927         nb_lcores = rte_lcore_count();
1928
1929         /* initialize all ports */
1930         for (portid = 0; portid < nb_ports; portid++) {
1931                 /* skip ports that are not enabled */
1932                 if ((enabled_port_mask & (1 << portid)) == 0) {
1933                         printf("\nSkipping disabled port %d\n", portid);
1934                         continue;
1935                 }
1936
1937                 /* init port */
1938                 printf("Initializing port %d ... ", portid);
1939                 fflush(stdout);
1940
1941                 nb_rx_queue = get_port_n_rx_queues(portid);
1942                 n_tx_queue = nb_lcores;
1943                 if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
1944                         n_tx_queue = MAX_TX_QUEUE_PER_PORT;
1945                 printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
1946                         nb_rx_queue, (unsigned)n_tx_queue);
1947                 ret = rte_eth_dev_configure(portid, nb_rx_queue,
1948                                         (uint16_t)n_tx_queue, &port_conf);
1949                 if (ret < 0)
1950                         rte_exit(EXIT_FAILURE,
1951                                 "Cannot configure device: err=%d, port=%d\n",
1952                                 ret, portid);
1953
1954                 rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
1955                 print_ethaddr(" Address:", &ports_eth_addr[portid]);
1956                 printf(", ");
1957
1958                 /* init memory */
1959                 ret = init_mem(NB_MBUF);
1960                 if (ret < 0)
1961                         rte_exit(EXIT_FAILURE, "init_mem failed\n");
1962
1963                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1964                         if (rte_lcore_is_enabled(lcore_id) == 0)
1965                                 continue;
1966
1967                         /* Initialize TX buffers */
1968                         qconf = &lcore_conf[lcore_id];
1969                         qconf->tx_buffer[portid] = rte_zmalloc_socket("tx_buffer",
1970                                         RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0,
1971                                         rte_eth_dev_socket_id(portid));
1972                         if (qconf->tx_buffer[portid] == NULL)
1973                                 rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n",
1974                                                 (unsigned) portid);
1975
1976                         rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST);
1977                 }
1978
1979                 /* init one TX queue per couple (lcore,port) */
1980                 queueid = 0;
1981                 for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1982                         if (rte_lcore_is_enabled(lcore_id) == 0)
1983                                 continue;
1984
1985                         if (numa_on)
1986                                 socketid = (uint8_t)
1987                                         rte_lcore_to_socket_id(lcore_id);
1988                         else
1989                                 socketid = 0;
1990
1991                         printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
1992                         fflush(stdout);
1993
1994                         rte_eth_dev_info_get(portid, &dev_info);
1995                         txconf = &dev_info.default_txconf;
1996                         if (port_conf.rxmode.jumbo_frame)
1997                                 txconf->txq_flags = 0;
1998                         ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
1999                                                      socketid, txconf);
2000                         if (ret < 0)
2001                                 rte_exit(EXIT_FAILURE,
2002                                         "rte_eth_tx_queue_setup: err=%d, "
2003                                         "port=%d\n", ret, portid);
2004
2005                         qconf = &lcore_conf[lcore_id];
2006                         qconf->tx_queue_id[portid] = queueid;
2007                         queueid++;
2008
2009                         qconf->tx_port_id[qconf->n_tx_port] = portid;
2010                         qconf->n_tx_port++;
2011                 }
2012                 printf("\n");
2013         }
2014
2015         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
2016                 if (rte_lcore_is_enabled(lcore_id) == 0)
2017                         continue;
2018                 qconf = &lcore_conf[lcore_id];
2019                 printf("\nInitializing rx queues on lcore %u ... ", lcore_id);
2020                 fflush(stdout);
2021                 /* init RX queues */
2022                 for (queue = 0; queue < qconf->n_rx_queue; ++queue) {
2023                         portid = qconf->rx_queue_list[queue].port_id;
2024                         queueid = qconf->rx_queue_list[queue].queue_id;
2025
2026                         if (numa_on)
2027                                 socketid = (uint8_t)
2028                                         rte_lcore_to_socket_id(lcore_id);
2029                         else
2030                                 socketid = 0;
2031
2032                         printf("rxq=%d,%d,%d ", portid, queueid, socketid);
2033                         fflush(stdout);
2034
2035                         ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
2036                                         socketid, NULL,
2037                                         pktmbuf_pool[socketid]);
2038                         if (ret < 0)
2039                                 rte_exit(EXIT_FAILURE,
2040                                         "rte_eth_rx_queue_setup: err=%d,"
2041                                         "port=%d\n", ret, portid);
2042                 }
2043         }
2044
2045         printf("\n");
2046
2047         /* start ports */
2048         for (portid = 0; portid < nb_ports; portid++) {
2049                 if ((enabled_port_mask & (1 << portid)) == 0)
2050                         continue;
2051
2052                 /* Start device */
2053                 ret = rte_eth_dev_start(portid);
2054                 if (ret < 0)
2055                         rte_exit(EXIT_FAILURE,
2056                                 "rte_eth_dev_start: err=%d, port=%d\n",
2057                                 ret, portid);
2058
2059                 /*
2060                  * If enabled, put device in promiscuous mode.
2061                  * This allows IO forwarding mode to forward packets
2062                  * to itself through 2 cross-connected  ports of the
2063                  * target machine.
2064                  */
2065                 if (promiscuous_on)
2066                         rte_eth_promiscuous_enable(portid);
2067         }
2068
2069         check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask);
2070
2071         /* launch per-lcore init on every lcore */
2072         rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
2073         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
2074                 if (rte_eal_wait_lcore(lcore_id) < 0)
2075                         return -1;
2076         }
2077
2078         return 0;
2079 }