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Diffstat (limited to 'examples/l3fwd-acl/main.c')
| -rw-r--r-- | examples/l3fwd-acl/main.c | 2079 |
1 files changed, 2079 insertions, 0 deletions
diff --git a/examples/l3fwd-acl/main.c b/examples/l3fwd-acl/main.c new file mode 100644 index 00000000..26d9f5eb --- /dev/null +++ b/examples/l3fwd-acl/main.c @@ -0,0 +1,2079 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2016 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <inttypes.h> +#include <sys/types.h> +#include <string.h> +#include <sys/queue.h> +#include <stdarg.h> +#include <errno.h> +#include <getopt.h> + +#include <rte_common.h> +#include <rte_byteorder.h> +#include <rte_log.h> +#include <rte_memory.h> +#include <rte_memcpy.h> +#include <rte_memzone.h> +#include <rte_eal.h> +#include <rte_per_lcore.h> +#include <rte_launch.h> +#include <rte_atomic.h> +#include <rte_cycles.h> +#include <rte_prefetch.h> +#include <rte_lcore.h> +#include <rte_per_lcore.h> +#include <rte_branch_prediction.h> +#include <rte_interrupts.h> +#include <rte_pci.h> +#include <rte_random.h> +#include <rte_debug.h> +#include <rte_ether.h> +#include <rte_ethdev.h> +#include <rte_ring.h> +#include <rte_mempool.h> +#include <rte_mbuf.h> +#include <rte_ip.h> +#include <rte_tcp.h> +#include <rte_udp.h> +#include <rte_string_fns.h> +#include <rte_acl.h> + +#define DO_RFC_1812_CHECKS + +#define RTE_LOGTYPE_L3FWD RTE_LOGTYPE_USER1 + +#define MAX_JUMBO_PKT_LEN 9600 + +#define MEMPOOL_CACHE_SIZE 256 + +/* + * This expression is used to calculate the number of mbufs needed + * depending on user input, taking into account memory for rx and tx hardware + * rings, cache per lcore and mtable per port per lcore. + * RTE_MAX is used to ensure that NB_MBUF never goes below a + * minimum value of 8192 + */ + +#define NB_MBUF RTE_MAX(\ + (nb_ports * nb_rx_queue*RTE_TEST_RX_DESC_DEFAULT + \ + nb_ports * nb_lcores * MAX_PKT_BURST + \ + nb_ports * n_tx_queue * RTE_TEST_TX_DESC_DEFAULT + \ + nb_lcores * MEMPOOL_CACHE_SIZE), \ + (unsigned)8192) + +#define MAX_PKT_BURST 32 +#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */ + +#define NB_SOCKETS 8 + +/* Configure how many packets ahead to prefetch, when reading packets */ +#define PREFETCH_OFFSET 3 + +/* + * Configurable number of RX/TX ring descriptors + */ +#define RTE_TEST_RX_DESC_DEFAULT 128 +#define RTE_TEST_TX_DESC_DEFAULT 512 +static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; +static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; + +/* ethernet addresses of ports */ +static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS]; + +/* mask of enabled ports */ +static uint32_t enabled_port_mask; +static int promiscuous_on; /**< Ports set in promiscuous mode off by default. */ +static int numa_on = 1; /**< NUMA is enabled by default. */ + +struct lcore_rx_queue { + uint8_t port_id; + uint8_t queue_id; +} __rte_cache_aligned; + +#define MAX_RX_QUEUE_PER_LCORE 16 +#define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS +#define MAX_RX_QUEUE_PER_PORT 128 + +#define MAX_LCORE_PARAMS 1024 +struct lcore_params { + uint8_t port_id; + uint8_t queue_id; + uint8_t lcore_id; +} __rte_cache_aligned; + +static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS]; +static struct lcore_params lcore_params_array_default[] = { + {0, 0, 2}, + {0, 1, 2}, + {0, 2, 2}, + {1, 0, 2}, + {1, 1, 2}, + {1, 2, 2}, + {2, 0, 2}, + {3, 0, 3}, + {3, 1, 3}, +}; + +static struct lcore_params *lcore_params = lcore_params_array_default; +static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) / + sizeof(lcore_params_array_default[0]); + +static struct rte_eth_conf port_conf = { + .rxmode = { + .mq_mode = ETH_MQ_RX_RSS, + .max_rx_pkt_len = ETHER_MAX_LEN, + .split_hdr_size = 0, + .header_split = 0, /**< Header Split disabled */ + .hw_ip_checksum = 1, /**< IP checksum offload enabled */ + .hw_vlan_filter = 0, /**< VLAN filtering disabled */ + .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ + .hw_strip_crc = 0, /**< CRC stripped by hardware */ + }, + .rx_adv_conf = { + .rss_conf = { + .rss_key = NULL, + .rss_hf = ETH_RSS_IP | ETH_RSS_UDP | + ETH_RSS_TCP | ETH_RSS_SCTP, + }, + }, + .txmode = { + .mq_mode = ETH_MQ_TX_NONE, + }, +}; + +static struct rte_mempool *pktmbuf_pool[NB_SOCKETS]; + +/***********************start of ACL part******************************/ +#ifdef DO_RFC_1812_CHECKS +static inline int +is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len); +#endif +static inline void +send_single_packet(struct rte_mbuf *m, uint8_t port); + +#define MAX_ACL_RULE_NUM 100000 +#define DEFAULT_MAX_CATEGORIES 1 +#define L3FWD_ACL_IPV4_NAME "l3fwd-acl-ipv4" +#define L3FWD_ACL_IPV6_NAME "l3fwd-acl-ipv6" +#define ACL_LEAD_CHAR ('@') +#define ROUTE_LEAD_CHAR ('R') +#define COMMENT_LEAD_CHAR ('#') +#define OPTION_CONFIG "config" +#define OPTION_NONUMA "no-numa" +#define OPTION_ENBJMO "enable-jumbo" +#define OPTION_RULE_IPV4 "rule_ipv4" +#define OPTION_RULE_IPV6 "rule_ipv6" +#define OPTION_SCALAR "scalar" +#define ACL_DENY_SIGNATURE 0xf0000000 +#define RTE_LOGTYPE_L3FWDACL RTE_LOGTYPE_USER3 +#define acl_log(format, ...) RTE_LOG(ERR, L3FWDACL, format, ##__VA_ARGS__) +#define uint32_t_to_char(ip, a, b, c, d) do {\ + *a = (unsigned char)(ip >> 24 & 0xff);\ + *b = (unsigned char)(ip >> 16 & 0xff);\ + *c = (unsigned char)(ip >> 8 & 0xff);\ + *d = (unsigned char)(ip & 0xff);\ + } while (0) +#define OFF_ETHHEAD (sizeof(struct ether_hdr)) +#define OFF_IPV42PROTO (offsetof(struct ipv4_hdr, next_proto_id)) +#define OFF_IPV62PROTO (offsetof(struct ipv6_hdr, proto)) +#define MBUF_IPV4_2PROTO(m) \ + rte_pktmbuf_mtod_offset((m), uint8_t *, OFF_ETHHEAD + OFF_IPV42PROTO) +#define MBUF_IPV6_2PROTO(m) \ + rte_pktmbuf_mtod_offset((m), uint8_t *, OFF_ETHHEAD + OFF_IPV62PROTO) + +#define GET_CB_FIELD(in, fd, base, lim, dlm) do { \ + unsigned long val; \ + char *end; \ + errno = 0; \ + val = strtoul((in), &end, (base)); \ + if (errno != 0 || end[0] != (dlm) || val > (lim)) \ + return -EINVAL; \ + (fd) = (typeof(fd))val; \ + (in) = end + 1; \ +} while (0) + +/* + * ACL rules should have higher priorities than route ones to ensure ACL rule + * always be found when input packets have multi-matches in the database. + * A exception case is performance measure, which can define route rules with + * higher priority and route rules will always be returned in each lookup. + * Reserve range from ACL_RULE_PRIORITY_MAX + 1 to + * RTE_ACL_MAX_PRIORITY for route entries in performance measure + */ +#define ACL_RULE_PRIORITY_MAX 0x10000000 + +/* + * Forward port info save in ACL lib starts from 1 + * since ACL assume 0 is invalid. + * So, need add 1 when saving and minus 1 when forwarding packets. + */ +#define FWD_PORT_SHIFT 1 + +/* + * Rule and trace formats definitions. + */ + +enum { + PROTO_FIELD_IPV4, + SRC_FIELD_IPV4, + DST_FIELD_IPV4, + SRCP_FIELD_IPV4, + DSTP_FIELD_IPV4, + NUM_FIELDS_IPV4 +}; + +/* + * That effectively defines order of IPV4VLAN classifications: + * - PROTO + * - VLAN (TAG and DOMAIN) + * - SRC IP ADDRESS + * - DST IP ADDRESS + * - PORTS (SRC and DST) + */ +enum { + RTE_ACL_IPV4VLAN_PROTO, + RTE_ACL_IPV4VLAN_VLAN, + RTE_ACL_IPV4VLAN_SRC, + RTE_ACL_IPV4VLAN_DST, + RTE_ACL_IPV4VLAN_PORTS, + RTE_ACL_IPV4VLAN_NUM +}; + +struct rte_acl_field_def ipv4_defs[NUM_FIELDS_IPV4] = { + { + .type = RTE_ACL_FIELD_TYPE_BITMASK, + .size = sizeof(uint8_t), + .field_index = PROTO_FIELD_IPV4, + .input_index = RTE_ACL_IPV4VLAN_PROTO, + .offset = 0, + }, + { + .type = RTE_ACL_FIELD_TYPE_MASK, + .size = sizeof(uint32_t), + .field_index = SRC_FIELD_IPV4, + .input_index = RTE_ACL_IPV4VLAN_SRC, + .offset = offsetof(struct ipv4_hdr, src_addr) - + offsetof(struct ipv4_hdr, next_proto_id), + }, + { + .type = RTE_ACL_FIELD_TYPE_MASK, + .size = sizeof(uint32_t), + .field_index = DST_FIELD_IPV4, + .input_index = RTE_ACL_IPV4VLAN_DST, + .offset = offsetof(struct ipv4_hdr, dst_addr) - + offsetof(struct ipv4_hdr, next_proto_id), + }, + { + .type = RTE_ACL_FIELD_TYPE_RANGE, + .size = sizeof(uint16_t), + .field_index = SRCP_FIELD_IPV4, + .input_index = RTE_ACL_IPV4VLAN_PORTS, + .offset = sizeof(struct ipv4_hdr) - + offsetof(struct ipv4_hdr, next_proto_id), + }, + { + .type = RTE_ACL_FIELD_TYPE_RANGE, + .size = sizeof(uint16_t), + .field_index = DSTP_FIELD_IPV4, + .input_index = RTE_ACL_IPV4VLAN_PORTS, + .offset = sizeof(struct ipv4_hdr) - + offsetof(struct ipv4_hdr, next_proto_id) + + sizeof(uint16_t), + }, +}; + +#define IPV6_ADDR_LEN 16 +#define IPV6_ADDR_U16 (IPV6_ADDR_LEN / sizeof(uint16_t)) +#define IPV6_ADDR_U32 (IPV6_ADDR_LEN / sizeof(uint32_t)) + +enum { + PROTO_FIELD_IPV6, + SRC1_FIELD_IPV6, + SRC2_FIELD_IPV6, + SRC3_FIELD_IPV6, + SRC4_FIELD_IPV6, + DST1_FIELD_IPV6, + DST2_FIELD_IPV6, + DST3_FIELD_IPV6, + DST4_FIELD_IPV6, + SRCP_FIELD_IPV6, + DSTP_FIELD_IPV6, + NUM_FIELDS_IPV6 +}; + +struct rte_acl_field_def ipv6_defs[NUM_FIELDS_IPV6] = { + { + .type = RTE_ACL_FIELD_TYPE_BITMASK, + .size = sizeof(uint8_t), + .field_index = PROTO_FIELD_IPV6, + .input_index = PROTO_FIELD_IPV6, + .offset = 0, + }, + { + .type = RTE_ACL_FIELD_TYPE_MASK, + .size = sizeof(uint32_t), + .field_index = SRC1_FIELD_IPV6, + .input_index = SRC1_FIELD_IPV6, + .offset = offsetof(struct ipv6_hdr, src_addr) - + offsetof(struct ipv6_hdr, proto), + }, + { + .type = RTE_ACL_FIELD_TYPE_MASK, + .size = sizeof(uint32_t), + .field_index = SRC2_FIELD_IPV6, + .input_index = SRC2_FIELD_IPV6, + .offset = offsetof(struct ipv6_hdr, src_addr) - + offsetof(struct ipv6_hdr, proto) + sizeof(uint32_t), + }, + { + .type = RTE_ACL_FIELD_TYPE_MASK, + .size = sizeof(uint32_t), + .field_index = SRC3_FIELD_IPV6, + .input_index = SRC3_FIELD_IPV6, + .offset = offsetof(struct ipv6_hdr, src_addr) - + offsetof(struct ipv6_hdr, proto) + 2 * sizeof(uint32_t), + }, + { + .type = RTE_ACL_FIELD_TYPE_MASK, + .size = sizeof(uint32_t), + .field_index = SRC4_FIELD_IPV6, + .input_index = SRC4_FIELD_IPV6, + .offset = offsetof(struct ipv6_hdr, src_addr) - + offsetof(struct ipv6_hdr, proto) + 3 * sizeof(uint32_t), + }, + { + .type = RTE_ACL_FIELD_TYPE_MASK, + .size = sizeof(uint32_t), + .field_index = DST1_FIELD_IPV6, + .input_index = DST1_FIELD_IPV6, + .offset = offsetof(struct ipv6_hdr, dst_addr) + - offsetof(struct ipv6_hdr, proto), + }, + { + .type = RTE_ACL_FIELD_TYPE_MASK, + .size = sizeof(uint32_t), + .field_index = DST2_FIELD_IPV6, + .input_index = DST2_FIELD_IPV6, + .offset = offsetof(struct ipv6_hdr, dst_addr) - + offsetof(struct ipv6_hdr, proto) + sizeof(uint32_t), + }, + { + .type = RTE_ACL_FIELD_TYPE_MASK, + .size = sizeof(uint32_t), + .field_index = DST3_FIELD_IPV6, + .input_index = DST3_FIELD_IPV6, + .offset = offsetof(struct ipv6_hdr, dst_addr) - + offsetof(struct ipv6_hdr, proto) + 2 * sizeof(uint32_t), + }, + { + .type = RTE_ACL_FIELD_TYPE_MASK, + .size = sizeof(uint32_t), + .field_index = DST4_FIELD_IPV6, + .input_index = DST4_FIELD_IPV6, + .offset = offsetof(struct ipv6_hdr, dst_addr) - + offsetof(struct ipv6_hdr, proto) + 3 * sizeof(uint32_t), + }, + { + .type = RTE_ACL_FIELD_TYPE_RANGE, + .size = sizeof(uint16_t), + .field_index = SRCP_FIELD_IPV6, + .input_index = SRCP_FIELD_IPV6, + .offset = sizeof(struct ipv6_hdr) - + offsetof(struct ipv6_hdr, proto), + }, + { + .type = RTE_ACL_FIELD_TYPE_RANGE, + .size = sizeof(uint16_t), + .field_index = DSTP_FIELD_IPV6, + .input_index = SRCP_FIELD_IPV6, + .offset = sizeof(struct ipv6_hdr) - + offsetof(struct ipv6_hdr, proto) + sizeof(uint16_t), + }, +}; + +enum { + CB_FLD_SRC_ADDR, + CB_FLD_DST_ADDR, + CB_FLD_SRC_PORT_LOW, + CB_FLD_SRC_PORT_DLM, + CB_FLD_SRC_PORT_HIGH, + CB_FLD_DST_PORT_LOW, + CB_FLD_DST_PORT_DLM, + CB_FLD_DST_PORT_HIGH, + CB_FLD_PROTO, + CB_FLD_USERDATA, + CB_FLD_NUM, +}; + +RTE_ACL_RULE_DEF(acl4_rule, RTE_DIM(ipv4_defs)); +RTE_ACL_RULE_DEF(acl6_rule, RTE_DIM(ipv6_defs)); + +struct acl_search_t { + const uint8_t *data_ipv4[MAX_PKT_BURST]; + struct rte_mbuf *m_ipv4[MAX_PKT_BURST]; + uint32_t res_ipv4[MAX_PKT_BURST]; + int num_ipv4; + + const uint8_t *data_ipv6[MAX_PKT_BURST]; + struct rte_mbuf *m_ipv6[MAX_PKT_BURST]; + uint32_t res_ipv6[MAX_PKT_BURST]; + int num_ipv6; +}; + +static struct { + char mapped[NB_SOCKETS]; + struct rte_acl_ctx *acx_ipv4[NB_SOCKETS]; + struct rte_acl_ctx *acx_ipv6[NB_SOCKETS]; +#ifdef L3FWDACL_DEBUG + struct acl4_rule *rule_ipv4; + struct acl6_rule *rule_ipv6; +#endif +} acl_config; + +static struct{ + const char *rule_ipv4_name; + const char *rule_ipv6_name; + int scalar; +} parm_config; + +const char cb_port_delim[] = ":"; + +static inline void +print_one_ipv4_rule(struct acl4_rule *rule, int extra) +{ + unsigned char a, b, c, d; + + uint32_t_to_char(rule->field[SRC_FIELD_IPV4].value.u32, + &a, &b, &c, &d); + printf("%hhu.%hhu.%hhu.%hhu/%u ", a, b, c, d, + rule->field[SRC_FIELD_IPV4].mask_range.u32); + uint32_t_to_char(rule->field[DST_FIELD_IPV4].value.u32, + &a, &b, &c, &d); + printf("%hhu.%hhu.%hhu.%hhu/%u ", a, b, c, d, + rule->field[DST_FIELD_IPV4].mask_range.u32); + printf("%hu : %hu %hu : %hu 0x%hhx/0x%hhx ", + rule->field[SRCP_FIELD_IPV4].value.u16, + rule->field[SRCP_FIELD_IPV4].mask_range.u16, + rule->field[DSTP_FIELD_IPV4].value.u16, + rule->field[DSTP_FIELD_IPV4].mask_range.u16, + rule->field[PROTO_FIELD_IPV4].value.u8, + rule->field[PROTO_FIELD_IPV4].mask_range.u8); + if (extra) + printf("0x%x-0x%x-0x%x ", + rule->data.category_mask, + rule->data.priority, + rule->data.userdata); +} + +static inline void +print_one_ipv6_rule(struct acl6_rule *rule, int extra) +{ + unsigned char a, b, c, d; + + uint32_t_to_char(rule->field[SRC1_FIELD_IPV6].value.u32, + &a, &b, &c, &d); + printf("%.2x%.2x:%.2x%.2x", a, b, c, d); + uint32_t_to_char(rule->field[SRC2_FIELD_IPV6].value.u32, + &a, &b, &c, &d); + printf(":%.2x%.2x:%.2x%.2x", a, b, c, d); + uint32_t_to_char(rule->field[SRC3_FIELD_IPV6].value.u32, + &a, &b, &c, &d); + printf(":%.2x%.2x:%.2x%.2x", a, b, c, d); + uint32_t_to_char(rule->field[SRC4_FIELD_IPV6].value.u32, + &a, &b, &c, &d); + printf(":%.2x%.2x:%.2x%.2x/%u ", a, b, c, d, + rule->field[SRC1_FIELD_IPV6].mask_range.u32 + + rule->field[SRC2_FIELD_IPV6].mask_range.u32 + + rule->field[SRC3_FIELD_IPV6].mask_range.u32 + + rule->field[SRC4_FIELD_IPV6].mask_range.u32); + + uint32_t_to_char(rule->field[DST1_FIELD_IPV6].value.u32, + &a, &b, &c, &d); + printf("%.2x%.2x:%.2x%.2x", a, b, c, d); + uint32_t_to_char(rule->field[DST2_FIELD_IPV6].value.u32, + &a, &b, &c, &d); + printf(":%.2x%.2x:%.2x%.2x", a, b, c, d); + uint32_t_to_char(rule->field[DST3_FIELD_IPV6].value.u32, + &a, &b, &c, &d); + printf(":%.2x%.2x:%.2x%.2x", a, b, c, d); + uint32_t_to_char(rule->field[DST4_FIELD_IPV6].value.u32, + &a, &b, &c, &d); + printf(":%.2x%.2x:%.2x%.2x/%u ", a, b, c, d, + rule->field[DST1_FIELD_IPV6].mask_range.u32 + + rule->field[DST2_FIELD_IPV6].mask_range.u32 + + rule->field[DST3_FIELD_IPV6].mask_range.u32 + + rule->field[DST4_FIELD_IPV6].mask_range.u32); + + printf("%hu : %hu %hu : %hu 0x%hhx/0x%hhx ", + rule->field[SRCP_FIELD_IPV6].value.u16, + rule->field[SRCP_FIELD_IPV6].mask_range.u16, + rule->field[DSTP_FIELD_IPV6].value.u16, + rule->field[DSTP_FIELD_IPV6].mask_range.u16, + rule->field[PROTO_FIELD_IPV6].value.u8, + rule->field[PROTO_FIELD_IPV6].mask_range.u8); + if (extra) + printf("0x%x-0x%x-0x%x ", + rule->data.category_mask, + rule->data.priority, + rule->data.userdata); +} + +/* Bypass comment and empty lines */ +static inline int +is_bypass_line(char *buff) +{ + int i = 0; + + /* comment line */ + if (buff[0] == COMMENT_LEAD_CHAR) + return 1; + /* empty line */ + while (buff[i] != '\0') { + if (!isspace(buff[i])) + return 0; + i++; + } + return 1; +} + +#ifdef L3FWDACL_DEBUG +static inline void +dump_acl4_rule(struct rte_mbuf *m, uint32_t sig) +{ + uint32_t offset = sig & ~ACL_DENY_SIGNATURE; + unsigned char a, b, c, d; + struct ipv4_hdr *ipv4_hdr = rte_pktmbuf_mtod_offset(m, + struct ipv4_hdr *, + sizeof(struct ether_hdr)); + + uint32_t_to_char(rte_bswap32(ipv4_hdr->src_addr), &a, &b, &c, &d); + printf("Packet Src:%hhu.%hhu.%hhu.%hhu ", a, b, c, d); + uint32_t_to_char(rte_bswap32(ipv4_hdr->dst_addr), &a, &b, &c, &d); + printf("Dst:%hhu.%hhu.%hhu.%hhu ", a, b, c, d); + + printf("Src port:%hu,Dst port:%hu ", + rte_bswap16(*(uint16_t *)(ipv4_hdr + 1)), + rte_bswap16(*((uint16_t *)(ipv4_hdr + 1) + 1))); + printf("hit ACL %d - ", offset); + + print_one_ipv4_rule(acl_config.rule_ipv4 + offset, 1); + + printf("\n\n"); +} + +static inline void +dump_acl6_rule(struct rte_mbuf *m, uint32_t sig) +{ + unsigned i; + uint32_t offset = sig & ~ACL_DENY_SIGNATURE; + struct ipv6_hdr *ipv6_hdr = rte_pktmbuf_mtod_offset(m, + struct ipv6_hdr *, + sizeof(struct ether_hdr)); + + printf("Packet Src"); + for (i = 0; i < RTE_DIM(ipv6_hdr->src_addr); i += sizeof(uint16_t)) + printf(":%.2x%.2x", + ipv6_hdr->src_addr[i], ipv6_hdr->src_addr[i + 1]); + + printf("\nDst"); + for (i = 0; i < RTE_DIM(ipv6_hdr->dst_addr); i += sizeof(uint16_t)) + printf(":%.2x%.2x", + ipv6_hdr->dst_addr[i], ipv6_hdr->dst_addr[i + 1]); + + printf("\nSrc port:%hu,Dst port:%hu ", + rte_bswap16(*(uint16_t *)(ipv6_hdr + 1)), + rte_bswap16(*((uint16_t *)(ipv6_hdr + 1) + 1))); + printf("hit ACL %d - ", offset); + + print_one_ipv6_rule(acl_config.rule_ipv6 + offset, 1); + + printf("\n\n"); +} +#endif /* L3FWDACL_DEBUG */ + +static inline void +dump_ipv4_rules(struct acl4_rule *rule, int num, int extra) +{ + int i; + + for (i = 0; i < num; i++, rule++) { + printf("\t%d:", i + 1); + print_one_ipv4_rule(rule, extra); + printf("\n"); + } +} + +static inline void +dump_ipv6_rules(struct acl6_rule *rule, int num, int extra) +{ + int i; + + for (i = 0; i < num; i++, rule++) { + printf("\t%d:", i + 1); + print_one_ipv6_rule(rule, extra); + printf("\n"); + } +} + +#ifdef DO_RFC_1812_CHECKS +static inline void +prepare_one_packet(struct rte_mbuf **pkts_in, struct acl_search_t *acl, + int index) +{ + struct ipv4_hdr *ipv4_hdr; + struct rte_mbuf *pkt = pkts_in[index]; + + if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) { + ipv4_hdr = rte_pktmbuf_mtod_offset(pkt, struct ipv4_hdr *, + sizeof(struct ether_hdr)); + + /* Check to make sure the packet is valid (RFC1812) */ + if (is_valid_ipv4_pkt(ipv4_hdr, pkt->pkt_len) >= 0) { + + /* Update time to live and header checksum */ + --(ipv4_hdr->time_to_live); + ++(ipv4_hdr->hdr_checksum); + + /* Fill acl structure */ + acl->data_ipv4[acl->num_ipv4] = MBUF_IPV4_2PROTO(pkt); + acl->m_ipv4[(acl->num_ipv4)++] = pkt; + + } else { + /* Not a valid IPv4 packet */ + rte_pktmbuf_free(pkt); + } + } else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) { + /* Fill acl structure */ + acl->data_ipv6[acl->num_ipv6] = MBUF_IPV6_2PROTO(pkt); + acl->m_ipv6[(acl->num_ipv6)++] = pkt; + + } else { + /* Unknown type, drop the packet */ + rte_pktmbuf_free(pkt); + } +} + +#else +static inline void +prepare_one_packet(struct rte_mbuf **pkts_in, struct acl_search_t *acl, + int index) +{ + struct rte_mbuf *pkt = pkts_in[index]; + + if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) { + /* Fill acl structure */ + acl->data_ipv4[acl->num_ipv4] = MBUF_IPV4_2PROTO(pkt); + acl->m_ipv4[(acl->num_ipv4)++] = pkt; + + } else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) { + /* Fill acl structure */ + acl->data_ipv6[acl->num_ipv6] = MBUF_IPV6_2PROTO(pkt); + acl->m_ipv6[(acl->num_ipv6)++] = pkt; + } else { + /* Unknown type, drop the packet */ + rte_pktmbuf_free(pkt); + } +} +#endif /* DO_RFC_1812_CHECKS */ + +static inline void +prepare_acl_parameter(struct rte_mbuf **pkts_in, struct acl_search_t *acl, + int nb_rx) +{ + int i; + + acl->num_ipv4 = 0; + acl->num_ipv6 = 0; + + /* Prefetch first packets */ + for (i = 0; i < PREFETCH_OFFSET && i < nb_rx; i++) { + rte_prefetch0(rte_pktmbuf_mtod( + pkts_in[i], void *)); + } + + for (i = 0; i < (nb_rx - PREFETCH_OFFSET); i++) { + rte_prefetch0(rte_pktmbuf_mtod(pkts_in[ + i + PREFETCH_OFFSET], void *)); + prepare_one_packet(pkts_in, acl, i); + } + + /* Process left packets */ + for (; i < nb_rx; i++) + prepare_one_packet(pkts_in, acl, i); +} + +static inline void +send_one_packet(struct rte_mbuf *m, uint32_t res) +{ + if (likely((res & ACL_DENY_SIGNATURE) == 0 && res != 0)) { + /* forward packets */ + send_single_packet(m, + (uint8_t)(res - FWD_PORT_SHIFT)); + } else{ + /* in the ACL list, drop it */ +#ifdef L3FWDACL_DEBUG + if ((res & ACL_DENY_SIGNATURE) != 0) { + if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) + dump_acl4_rule(m, res); + else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) + dump_acl6_rule(m, res); + } +#endif + rte_pktmbuf_free(m); + } +} + + + +static inline void +send_packets(struct rte_mbuf **m, uint32_t *res, int num) +{ + int i; + + /* Prefetch first packets */ + for (i = 0; i < PREFETCH_OFFSET && i < num; i++) { + rte_prefetch0(rte_pktmbuf_mtod( + m[i], void *)); + } + + for (i = 0; i < (num - PREFETCH_OFFSET); i++) { + rte_prefetch0(rte_pktmbuf_mtod(m[ + i + PREFETCH_OFFSET], void *)); + send_one_packet(m[i], res[i]); + } + + /* Process left packets */ + for (; i < num; i++) + send_one_packet(m[i], res[i]); +} + +/* + * Parses IPV6 address, exepcts the following format: + * XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX (where X - is a hexedecimal digit). + */ +static int +parse_ipv6_addr(const char *in, const char **end, uint32_t v[IPV6_ADDR_U32], + char dlm) +{ + uint32_t addr[IPV6_ADDR_U16]; + + GET_CB_FIELD(in, addr[0], 16, UINT16_MAX, ':'); + GET_CB_FIELD(in, addr[1], 16, UINT16_MAX, ':'); + GET_CB_FIELD(in, addr[2], 16, UINT16_MAX, ':'); + GET_CB_FIELD(in, addr[3], 16, UINT16_MAX, ':'); + GET_CB_FIELD(in, addr[4], 16, UINT16_MAX, ':'); + GET_CB_FIELD(in, addr[5], 16, UINT16_MAX, ':'); + GET_CB_FIELD(in, addr[6], 16, UINT16_MAX, ':'); + GET_CB_FIELD(in, addr[7], 16, UINT16_MAX, dlm); + + *end = in; + + v[0] = (addr[0] << 16) + addr[1]; + v[1] = (addr[2] << 16) + addr[3]; + v[2] = (addr[4] << 16) + addr[5]; + v[3] = (addr[6] << 16) + addr[7]; + + return 0; +} + +static int +parse_ipv6_net(const char *in, struct rte_acl_field field[4]) +{ + int32_t rc; + const char *mp; + uint32_t i, m, v[4]; + const uint32_t nbu32 = sizeof(uint32_t) * CHAR_BIT; + + /* get address. */ + rc = parse_ipv6_addr(in, &mp, v, '/'); + if (rc != 0) + return rc; + + /* get mask. */ + GET_CB_FIELD(mp, m, 0, CHAR_BIT * sizeof(v), 0); + + /* put all together. */ + for (i = 0; i != RTE_DIM(v); i++) { + if (m >= (i + 1) * nbu32) + field[i].mask_range.u32 = nbu32; + else + field[i].mask_range.u32 = m > (i * nbu32) ? + m - (i * 32) : 0; + + field[i].value.u32 = v[i]; + } + + return 0; +} + +static int +parse_cb_ipv6_rule(char *str, struct rte_acl_rule *v, int has_userdata) +{ + int i, rc; + char *s, *sp, *in[CB_FLD_NUM]; + static const char *dlm = " \t\n"; + int dim = has_userdata ? CB_FLD_NUM : CB_FLD_USERDATA; + s = str; + + for (i = 0; i != dim; i++, s = NULL) { + in[i] = strtok_r(s, dlm, &sp); + if (in[i] == NULL) + return -EINVAL; + } + + rc = parse_ipv6_net(in[CB_FLD_SRC_ADDR], v->field + SRC1_FIELD_IPV6); + if (rc != 0) { + acl_log("failed to read source address/mask: %s\n", + in[CB_FLD_SRC_ADDR]); + return rc; + } + + rc = parse_ipv6_net(in[CB_FLD_DST_ADDR], v->field + DST1_FIELD_IPV6); + if (rc != 0) { + acl_log("failed to read destination address/mask: %s\n", + in[CB_FLD_DST_ADDR]); + return rc; + } + + /* source port. */ + GET_CB_FIELD(in[CB_FLD_SRC_PORT_LOW], + v->field[SRCP_FIELD_IPV6].value.u16, + 0, UINT16_MAX, 0); + GET_CB_FIELD(in[CB_FLD_SRC_PORT_HIGH], + v->field[SRCP_FIELD_IPV6].mask_range.u16, + 0, UINT16_MAX, 0); + + if (strncmp(in[CB_FLD_SRC_PORT_DLM], cb_port_delim, + sizeof(cb_port_delim)) != 0) + return -EINVAL; + + /* destination port. */ + GET_CB_FIELD(in[CB_FLD_DST_PORT_LOW], + v->field[DSTP_FIELD_IPV6].value.u16, + 0, UINT16_MAX, 0); + GET_CB_FIELD(in[CB_FLD_DST_PORT_HIGH], + v->field[DSTP_FIELD_IPV6].mask_range.u16, + 0, UINT16_MAX, 0); + + if (strncmp(in[CB_FLD_DST_PORT_DLM], cb_port_delim, + sizeof(cb_port_delim)) != 0) + return -EINVAL; + + if (v->field[SRCP_FIELD_IPV6].mask_range.u16 + < v->field[SRCP_FIELD_IPV6].value.u16 + || v->field[DSTP_FIELD_IPV6].mask_range.u16 + < v->field[DSTP_FIELD_IPV6].value.u16) + return -EINVAL; + + GET_CB_FIELD(in[CB_FLD_PROTO], v->field[PROTO_FIELD_IPV6].value.u8, + 0, UINT8_MAX, '/'); + GET_CB_FIELD(in[CB_FLD_PROTO], v->field[PROTO_FIELD_IPV6].mask_range.u8, + 0, UINT8_MAX, 0); + + if (has_userdata) + GET_CB_FIELD(in[CB_FLD_USERDATA], v->data.userdata, + 0, UINT32_MAX, 0); + + return 0; +} + +/* + * Parse ClassBench rules file. + * Expected format: + * '@'<src_ipv4_addr>'/'<masklen> <space> \ + * <dst_ipv4_addr>'/'<masklen> <space> \ + * <src_port_low> <space> ":" <src_port_high> <space> \ + * <dst_port_low> <space> ":" <dst_port_high> <space> \ + * <proto>'/'<mask> + */ +static int +parse_ipv4_net(const char *in, uint32_t *addr, uint32_t *mask_len) +{ + uint8_t a, b, c, d, m; + + GET_CB_FIELD(in, a, 0, UINT8_MAX, '.'); + GET_CB_FIELD(in, b, 0, UINT8_MAX, '.'); + GET_CB_FIELD(in, c, 0, UINT8_MAX, '.'); + GET_CB_FIELD(in, d, 0, UINT8_MAX, '/'); + GET_CB_FIELD(in, m, 0, sizeof(uint32_t) * CHAR_BIT, 0); + + addr[0] = IPv4(a, b, c, d); + mask_len[0] = m; + + return 0; +} + +static int +parse_cb_ipv4vlan_rule(char *str, struct rte_acl_rule *v, int has_userdata) +{ + int i, rc; + char *s, *sp, *in[CB_FLD_NUM]; + static const char *dlm = " \t\n"; + int dim = has_userdata ? CB_FLD_NUM : CB_FLD_USERDATA; + s = str; + + for (i = 0; i != dim; i++, s = NULL) { + in[i] = strtok_r(s, dlm, &sp); + if (in[i] == NULL) + return -EINVAL; + } + + rc = parse_ipv4_net(in[CB_FLD_SRC_ADDR], + &v->field[SRC_FIELD_IPV4].value.u32, + &v->field[SRC_FIELD_IPV4].mask_range.u32); + if (rc != 0) { + acl_log("failed to read source address/mask: %s\n", + in[CB_FLD_SRC_ADDR]); + return rc; + } + + rc = parse_ipv4_net(in[CB_FLD_DST_ADDR], + &v->field[DST_FIELD_IPV4].value.u32, + &v->field[DST_FIELD_IPV4].mask_range.u32); + if (rc != 0) { + acl_log("failed to read destination address/mask: %s\n", + in[CB_FLD_DST_ADDR]); + return rc; + } + + GET_CB_FIELD(in[CB_FLD_SRC_PORT_LOW], + v->field[SRCP_FIELD_IPV4].value.u16, + 0, UINT16_MAX, 0); + GET_CB_FIELD(in[CB_FLD_SRC_PORT_HIGH], + v->field[SRCP_FIELD_IPV4].mask_range.u16, + 0, UINT16_MAX, 0); + + if (strncmp(in[CB_FLD_SRC_PORT_DLM], cb_port_delim, + sizeof(cb_port_delim)) != 0) + return -EINVAL; + + GET_CB_FIELD(in[CB_FLD_DST_PORT_LOW], + v->field[DSTP_FIELD_IPV4].value.u16, + 0, UINT16_MAX, 0); + GET_CB_FIELD(in[CB_FLD_DST_PORT_HIGH], + v->field[DSTP_FIELD_IPV4].mask_range.u16, + 0, UINT16_MAX, 0); + + if (strncmp(in[CB_FLD_DST_PORT_DLM], cb_port_delim, + sizeof(cb_port_delim)) != 0) + return -EINVAL; + + if (v->field[SRCP_FIELD_IPV4].mask_range.u16 + < v->field[SRCP_FIELD_IPV4].value.u16 + || v->field[DSTP_FIELD_IPV4].mask_range.u16 + < v->field[DSTP_FIELD_IPV4].value.u16) + return -EINVAL; + + GET_CB_FIELD(in[CB_FLD_PROTO], v->field[PROTO_FIELD_IPV4].value.u8, + 0, UINT8_MAX, '/'); + GET_CB_FIELD(in[CB_FLD_PROTO], v->field[PROTO_FIELD_IPV4].mask_range.u8, + 0, UINT8_MAX, 0); + + if (has_userdata) + GET_CB_FIELD(in[CB_FLD_USERDATA], v->data.userdata, 0, + UINT32_MAX, 0); + + return 0; +} + +static int +add_rules(const char *rule_path, + struct rte_acl_rule **proute_base, + unsigned int *proute_num, + struct rte_acl_rule **pacl_base, + unsigned int *pacl_num, uint32_t rule_size, + int (*parser)(char *, struct rte_acl_rule*, int)) +{ + uint8_t *acl_rules, *route_rules; + struct rte_acl_rule *next; + unsigned int acl_num = 0, route_num = 0, total_num = 0; + unsigned int acl_cnt = 0, route_cnt = 0; + char buff[LINE_MAX]; + FILE *fh = fopen(rule_path, "rb"); + unsigned int i = 0; + + if (fh == NULL) + rte_exit(EXIT_FAILURE, "%s: Open %s failed\n", __func__, + rule_path); + + while ((fgets(buff, LINE_MAX, fh) != NULL)) { + if (buff[0] == ROUTE_LEAD_CHAR) + route_num++; + else if (buff[0] == ACL_LEAD_CHAR) + acl_num++; + } + + if (0 == route_num) + rte_exit(EXIT_FAILURE, "Not find any route entries in %s!\n", + rule_path); + + fseek(fh, 0, SEEK_SET); + + acl_rules = calloc(acl_num, rule_size); + + if (NULL == acl_rules) + rte_exit(EXIT_FAILURE, "%s: failed to malloc memory\n", + __func__); + + route_rules = calloc(route_num, rule_size); + + if (NULL == route_rules) + rte_exit(EXIT_FAILURE, "%s: failed to malloc memory\n", + __func__); + + i = 0; + while (fgets(buff, LINE_MAX, fh) != NULL) { + i++; + + if (is_bypass_line(buff)) + continue; + + char s = buff[0]; + + /* Route entry */ + if (s == ROUTE_LEAD_CHAR) + next = (struct rte_acl_rule *)(route_rules + + route_cnt * rule_size); + + /* ACL entry */ + else if (s == ACL_LEAD_CHAR) + next = (struct rte_acl_rule *)(acl_rules + + acl_cnt * rule_size); + + /* Illegal line */ + else + rte_exit(EXIT_FAILURE, + "%s Line %u: should start with leading " + "char %c or %c\n", + rule_path, i, ROUTE_LEAD_CHAR, ACL_LEAD_CHAR); + + if (parser(buff + 1, next, s == ROUTE_LEAD_CHAR) != 0) + rte_exit(EXIT_FAILURE, + "%s Line %u: parse rules error\n", + rule_path, i); + + if (s == ROUTE_LEAD_CHAR) { + /* Check the forwarding port number */ + if ((enabled_port_mask & (1 << next->data.userdata)) == + 0) + rte_exit(EXIT_FAILURE, + "%s Line %u: fwd number illegal:%u\n", + rule_path, i, next->data.userdata); + next->data.userdata += FWD_PORT_SHIFT; + route_cnt++; + } else { + next->data.userdata = ACL_DENY_SIGNATURE + acl_cnt; + acl_cnt++; + } + + next->data.priority = RTE_ACL_MAX_PRIORITY - total_num; + next->data.category_mask = -1; + total_num++; + } + + fclose(fh); + + *pacl_base = (struct rte_acl_rule *)acl_rules; + *pacl_num = acl_num; + *proute_base = (struct rte_acl_rule *)route_rules; + *proute_num = route_cnt; + + return 0; +} + +static void +dump_acl_config(void) +{ + printf("ACL option are:\n"); + printf(OPTION_RULE_IPV4": %s\n", parm_config.rule_ipv4_name); + printf(OPTION_RULE_IPV6": %s\n", parm_config.rule_ipv6_name); + printf(OPTION_SCALAR": %d\n", parm_config.scalar); +} + +static int +check_acl_config(void) +{ + if (parm_config.rule_ipv4_name == NULL) { + acl_log("ACL IPv4 rule file not specified\n"); + return -1; + } else if (parm_config.rule_ipv6_name == NULL) { + acl_log("ACL IPv6 rule file not specified\n"); + return -1; + } + + return 0; +} + +static struct rte_acl_ctx* +setup_acl(struct rte_acl_rule *route_base, + struct rte_acl_rule *acl_base, unsigned int route_num, + unsigned int acl_num, int ipv6, int socketid) +{ + char name[PATH_MAX]; + struct rte_acl_param acl_param; + struct rte_acl_config acl_build_param; + struct rte_acl_ctx *context; + int dim = ipv6 ? RTE_DIM(ipv6_defs) : RTE_DIM(ipv4_defs); + + /* Create ACL contexts */ + snprintf(name, sizeof(name), "%s%d", + ipv6 ? L3FWD_ACL_IPV6_NAME : L3FWD_ACL_IPV4_NAME, + socketid); + + acl_param.name = name; + acl_param.socket_id = socketid; + acl_param.rule_size = RTE_ACL_RULE_SZ(dim); + acl_param.max_rule_num = MAX_ACL_RULE_NUM; + + if ((context = rte_acl_create(&acl_param)) == NULL) + rte_exit(EXIT_FAILURE, "Failed to create ACL context\n"); + + if (parm_config.scalar && rte_acl_set_ctx_classify(context, + RTE_ACL_CLASSIFY_SCALAR) != 0) + rte_exit(EXIT_FAILURE, + "Failed to setup classify method for ACL context\n"); + + if (rte_acl_add_rules(context, route_base, route_num) < 0) + rte_exit(EXIT_FAILURE, "add rules failed\n"); + + if (rte_acl_add_rules(context, acl_base, acl_num) < 0) + rte_exit(EXIT_FAILURE, "add rules failed\n"); + + /* Perform builds */ + memset(&acl_build_param, 0, sizeof(acl_build_param)); + + acl_build_param.num_categories = DEFAULT_MAX_CATEGORIES; + acl_build_param.num_fields = dim; + memcpy(&acl_build_param.defs, ipv6 ? ipv6_defs : ipv4_defs, + ipv6 ? sizeof(ipv6_defs) : sizeof(ipv4_defs)); + + if (rte_acl_build(context, &acl_build_param) != 0) + rte_exit(EXIT_FAILURE, "Failed to build ACL trie\n"); + + rte_acl_dump(context); + + return context; +} + +static int +app_acl_init(void) +{ + unsigned lcore_id; + unsigned int i; + int socketid; + struct rte_acl_rule *acl_base_ipv4, *route_base_ipv4, + *acl_base_ipv6, *route_base_ipv6; + unsigned int acl_num_ipv4 = 0, route_num_ipv4 = 0, + acl_num_ipv6 = 0, route_num_ipv6 = 0; + + if (check_acl_config() != 0) + rte_exit(EXIT_FAILURE, "Failed to get valid ACL options\n"); + + dump_acl_config(); + + /* Load rules from the input file */ + if (add_rules(parm_config.rule_ipv4_name, &route_base_ipv4, + &route_num_ipv4, &acl_base_ipv4, &acl_num_ipv4, + sizeof(struct acl4_rule), &parse_cb_ipv4vlan_rule) < 0) + rte_exit(EXIT_FAILURE, "Failed to add rules\n"); + + acl_log("IPv4 Route entries %u:\n", route_num_ipv4); + dump_ipv4_rules((struct acl4_rule *)route_base_ipv4, route_num_ipv4, 1); + + acl_log("IPv4 ACL entries %u:\n", acl_num_ipv4); + dump_ipv4_rules((struct acl4_rule *)acl_base_ipv4, acl_num_ipv4, 1); + + if (add_rules(parm_config.rule_ipv6_name, &route_base_ipv6, + &route_num_ipv6, + &acl_base_ipv6, &acl_num_ipv6, + sizeof(struct acl6_rule), &parse_cb_ipv6_rule) < 0) + rte_exit(EXIT_FAILURE, "Failed to add rules\n"); + + acl_log("IPv6 Route entries %u:\n", route_num_ipv6); + dump_ipv6_rules((struct acl6_rule *)route_base_ipv6, route_num_ipv6, 1); + + acl_log("IPv6 ACL entries %u:\n", acl_num_ipv6); + dump_ipv6_rules((struct acl6_rule *)acl_base_ipv6, acl_num_ipv6, 1); + + memset(&acl_config, 0, sizeof(acl_config)); + + /* Check sockets a context should be created on */ + if (!numa_on) + acl_config.mapped[0] = 1; + else { + for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { + if (rte_lcore_is_enabled(lcore_id) == 0) + continue; + + socketid = rte_lcore_to_socket_id(lcore_id); + if (socketid >= NB_SOCKETS) { + acl_log("Socket %d of lcore %u is out " + "of range %d\n", + socketid, lcore_id, NB_SOCKETS); + free(route_base_ipv4); + free(route_base_ipv6); + free(acl_base_ipv4); + free(acl_base_ipv6); + return -1; + } + + acl_config.mapped[socketid] = 1; + } + } + + for (i = 0; i < NB_SOCKETS; i++) { + if (acl_config.mapped[i]) { + acl_config.acx_ipv4[i] = setup_acl(route_base_ipv4, + acl_base_ipv4, route_num_ipv4, acl_num_ipv4, + 0, i); + + acl_config.acx_ipv6[i] = setup_acl(route_base_ipv6, + acl_base_ipv6, route_num_ipv6, acl_num_ipv6, + 1, i); + } + } + + free(route_base_ipv4); + free(route_base_ipv6); + +#ifdef L3FWDACL_DEBUG + acl_config.rule_ipv4 = (struct acl4_rule *)acl_base_ipv4; + acl_config.rule_ipv6 = (struct acl6_rule *)acl_base_ipv6; +#else + free(acl_base_ipv4); + free(acl_base_ipv6); +#endif + + return 0; +} + +/***********************end of ACL part******************************/ + +struct lcore_conf { + uint16_t n_rx_queue; + struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE]; + uint16_t n_tx_port; + uint16_t tx_port_id[RTE_MAX_ETHPORTS]; + uint16_t tx_queue_id[RTE_MAX_ETHPORTS]; + struct rte_eth_dev_tx_buffer *tx_buffer[RTE_MAX_ETHPORTS]; +} __rte_cache_aligned; + +static struct lcore_conf lcore_conf[RTE_MAX_LCORE]; + +/* Enqueue a single packet, and send burst if queue is filled */ +static inline void +send_single_packet(struct rte_mbuf *m, uint8_t port) +{ + uint32_t lcore_id; + struct lcore_conf *qconf; + + lcore_id = rte_lcore_id(); + + qconf = &lcore_conf[lcore_id]; + rte_eth_tx_buffer(port, qconf->tx_queue_id[port], + qconf->tx_buffer[port], m); +} + +#ifdef DO_RFC_1812_CHECKS +static inline int +is_valid_ipv4_pkt(struct ipv4_hdr *pkt, uint32_t link_len) +{ + /* From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2 */ + /* + * 1. The packet length reported by the Link Layer must be large + * enough to hold the minimum length legal IP datagram (20 bytes). + */ + if (link_len < sizeof(struct ipv4_hdr)) + return -1; + + /* 2. The IP checksum must be correct. */ + /* this is checked in H/W */ + + /* + * 3. The IP version number must be 4. If the version number is not 4 + * then the packet may be another version of IP, such as IPng or + * ST-II. + */ + if (((pkt->version_ihl) >> 4) != 4) + return -3; + /* + * 4. The IP header length field must be large enough to hold the + * minimum length legal IP datagram (20 bytes = 5 words). + */ + if ((pkt->version_ihl & 0xf) < 5) + return -4; + + /* + * 5. The IP total length field must be large enough to hold the IP + * datagram header, whose length is specified in the IP header length + * field. + */ + if (rte_cpu_to_be_16(pkt->total_length) < sizeof(struct ipv4_hdr)) + return -5; + + return 0; +} +#endif + +/* main processing loop */ +static int +main_loop(__attribute__((unused)) void *dummy) +{ + struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; + unsigned lcore_id; + uint64_t prev_tsc, diff_tsc, cur_tsc; + int i, nb_rx; + uint8_t portid, queueid; + struct lcore_conf *qconf; + int socketid; + const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) + / US_PER_S * BURST_TX_DRAIN_US; + + prev_tsc = 0; + lcore_id = rte_lcore_id(); + qconf = &lcore_conf[lcore_id]; + socketid = rte_lcore_to_socket_id(lcore_id); + + if (qconf->n_rx_queue == 0) { + RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", lcore_id); + return 0; + } + + RTE_LOG(INFO, L3FWD, "entering main loop on lcore %u\n", lcore_id); + + for (i = 0; i < qconf->n_rx_queue; i++) { + + portid = qconf->rx_queue_list[i].port_id; + queueid = qconf->rx_queue_list[i].queue_id; + RTE_LOG(INFO, L3FWD, + " -- lcoreid=%u portid=%hhu rxqueueid=%hhu\n", + lcore_id, portid, queueid); + } + + while (1) { + + cur_tsc = rte_rdtsc(); + + /* + * TX burst queue drain + */ + diff_tsc = cur_tsc - prev_tsc; + if (unlikely(diff_tsc > drain_tsc)) { + for (i = 0; i < qconf->n_tx_port; ++i) { + portid = qconf->tx_port_id[i]; + rte_eth_tx_buffer_flush(portid, + qconf->tx_queue_id[portid], + qconf->tx_buffer[portid]); + } + prev_tsc = cur_tsc; + } + + /* + * Read packet from RX queues + */ + for (i = 0; i < qconf->n_rx_queue; ++i) { + + portid = qconf->rx_queue_list[i].port_id; + queueid = qconf->rx_queue_list[i].queue_id; + nb_rx = rte_eth_rx_burst(portid, queueid, + pkts_burst, MAX_PKT_BURST); + + if (nb_rx > 0) { + struct acl_search_t acl_search; + + prepare_acl_parameter(pkts_burst, &acl_search, + nb_rx); + + if (acl_search.num_ipv4) { + rte_acl_classify( + acl_config.acx_ipv4[socketid], + acl_search.data_ipv4, + acl_search.res_ipv4, + acl_search.num_ipv4, + DEFAULT_MAX_CATEGORIES); + + send_packets(acl_search.m_ipv4, + acl_search.res_ipv4, + acl_search.num_ipv4); + } + + if (acl_search.num_ipv6) { + rte_acl_classify( + acl_config.acx_ipv6[socketid], + acl_search.data_ipv6, + acl_search.res_ipv6, + acl_search.num_ipv6, + DEFAULT_MAX_CATEGORIES); + + send_packets(acl_search.m_ipv6, + acl_search.res_ipv6, + acl_search.num_ipv6); + } + } + } + } +} + +static int +check_lcore_params(void) +{ + uint8_t queue, lcore; + uint16_t i; + int socketid; + + for (i = 0; i < nb_lcore_params; ++i) { + queue = lcore_params[i].queue_id; + if (queue >= MAX_RX_QUEUE_PER_PORT) { + printf("invalid queue number: %hhu\n", queue); + return -1; + } + lcore = lcore_params[i].lcore_id; + if (!rte_lcore_is_enabled(lcore)) { + printf("error: lcore %hhu is not enabled in " + "lcore mask\n", lcore); + return -1; + } + socketid = rte_lcore_to_socket_id(lcore); + if (socketid != 0 && numa_on == 0) { + printf("warning: lcore %hhu is on socket %d " + "with numa off\n", + lcore, socketid); + } + } + return 0; +} + +static int +check_port_config(const unsigned nb_ports) +{ + unsigned portid; + uint16_t i; + + for (i = 0; i < nb_lcore_params; ++i) { + portid = lcore_params[i].port_id; + + if ((enabled_port_mask & (1 << portid)) == 0) { + printf("port %u is not enabled in port mask\n", portid); + return -1; + } + if (portid >= nb_ports) { + printf("port %u is not present on the board\n", portid); + return -1; + } + } + return 0; +} + +static uint8_t +get_port_n_rx_queues(const uint8_t port) +{ + int queue = -1; + uint16_t i; + + for (i = 0; i < nb_lcore_params; ++i) { + if (lcore_params[i].port_id == port && + lcore_params[i].queue_id > queue) + queue = lcore_params[i].queue_id; + } + return (uint8_t)(++queue); +} + +static int +init_lcore_rx_queues(void) +{ + uint16_t i, nb_rx_queue; + uint8_t lcore; + + for (i = 0; i < nb_lcore_params; ++i) { + lcore = lcore_params[i].lcore_id; + nb_rx_queue = lcore_conf[lcore].n_rx_queue; + if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) { + printf("error: too many queues (%u) for lcore: %u\n", + (unsigned)nb_rx_queue + 1, (unsigned)lcore); + return -1; + } else { + lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id = + lcore_params[i].port_id; + lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id = + lcore_params[i].queue_id; + lcore_conf[lcore].n_rx_queue++; + } + } + return 0; +} + +/* display usage */ +static void +print_usage(const char *prgname) +{ + printf("%s [EAL options] -- -p PORTMASK -P" + "--"OPTION_RULE_IPV4"=FILE" + "--"OPTION_RULE_IPV6"=FILE" + " [--"OPTION_CONFIG" (port,queue,lcore)[,(port,queue,lcore]]" + " [--"OPTION_ENBJMO" [--max-pkt-len PKTLEN]]\n" + " -p PORTMASK: hexadecimal bitmask of ports to configure\n" + " -P : enable promiscuous mode\n" + " --"OPTION_CONFIG": (port,queue,lcore): " + "rx queues configuration\n" + " --"OPTION_NONUMA": optional, disable numa awareness\n" + " --"OPTION_ENBJMO": enable jumbo frame" + " which max packet len is PKTLEN in decimal (64-9600)\n" + " --"OPTION_RULE_IPV4"=FILE: specify the ipv4 rules entries " + "file. " + "Each rule occupy one line. " + "2 kinds of rules are supported. " + "One is ACL entry at while line leads with character '%c', " + "another is route entry at while line leads with " + "character '%c'.\n" + " --"OPTION_RULE_IPV6"=FILE: specify the ipv6 rules " + "entries file.\n" + " --"OPTION_SCALAR": Use scalar function to do lookup\n", + prgname, ACL_LEAD_CHAR, ROUTE_LEAD_CHAR); +} + +static int +parse_max_pkt_len(const char *pktlen) +{ + char *end = NULL; + unsigned long len; + + /* parse decimal string */ + len = strtoul(pktlen, &end, 10); + if ((pktlen[0] == '\0') || (end == NULL) || (*end != '\0')) + return -1; + + if (len == 0) + return -1; + + return len; +} + +static int +parse_portmask(const char *portmask) +{ + char *end = NULL; + unsigned long pm; + + /* parse hexadecimal string */ + pm = strtoul(portmask, &end, 16); + if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0')) + return -1; + + if (pm == 0) + return -1; + + return pm; +} + +static int +parse_config(const char *q_arg) +{ + char s[256]; + const char *p, *p0 = q_arg; + char *end; + enum fieldnames { + FLD_PORT = 0, + FLD_QUEUE, + FLD_LCORE, + _NUM_FLD + }; + unsigned long int_fld[_NUM_FLD]; + char *str_fld[_NUM_FLD]; + int i; + unsigned size; + + nb_lcore_params = 0; + + while ((p = strchr(p0, '(')) != NULL) { + ++p; + if ((p0 = strchr(p, ')')) == NULL) + return -1; + + size = p0 - p; + if (size >= sizeof(s)) + return -1; + + snprintf(s, sizeof(s), "%.*s", size, p); + if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') != + _NUM_FLD) + return -1; + for (i = 0; i < _NUM_FLD; i++) { + errno = 0; + int_fld[i] = strtoul(str_fld[i], &end, 0); + if (errno != 0 || end == str_fld[i] || int_fld[i] > 255) + return -1; + } + if (nb_lcore_params >= MAX_LCORE_PARAMS) { + printf("exceeded max number of lcore params: %hu\n", + nb_lcore_params); + return -1; + } + lcore_params_array[nb_lcore_params].port_id = + (uint8_t)int_fld[FLD_PORT]; + lcore_params_array[nb_lcore_params].queue_id = + (uint8_t)int_fld[FLD_QUEUE]; + lcore_params_array[nb_lcore_params].lcore_id = + (uint8_t)int_fld[FLD_LCORE]; + ++nb_lcore_params; + } + lcore_params = lcore_params_array; + return 0; +} + +/* Parse the argument given in the command line of the application */ +static int +parse_args(int argc, char **argv) +{ + int opt, ret; + char **argvopt; + int option_index; + char *prgname = argv[0]; + static struct option lgopts[] = { + {OPTION_CONFIG, 1, 0, 0}, + {OPTION_NONUMA, 0, 0, 0}, + {OPTION_ENBJMO, 0, 0, 0}, + {OPTION_RULE_IPV4, 1, 0, 0}, + {OPTION_RULE_IPV6, 1, 0, 0}, + {OPTION_SCALAR, 0, 0, 0}, + {NULL, 0, 0, 0} + }; + + argvopt = argv; + + while ((opt = getopt_long(argc, argvopt, "p:P", + lgopts, &option_index)) != EOF) { + + switch (opt) { + /* portmask */ + case 'p': + enabled_port_mask = parse_portmask(optarg); + if (enabled_port_mask == 0) { + printf("invalid portmask\n"); + print_usage(prgname); + return -1; + } + break; + case 'P': + printf("Promiscuous mode selected\n"); + promiscuous_on = 1; + break; + + /* long options */ + case 0: + if (!strncmp(lgopts[option_index].name, + OPTION_CONFIG, + sizeof(OPTION_CONFIG))) { + ret = parse_config(optarg); + if (ret) { + printf("invalid config\n"); + print_usage(prgname); + return -1; + } + } + + if (!strncmp(lgopts[option_index].name, + OPTION_NONUMA, + sizeof(OPTION_NONUMA))) { + printf("numa is disabled\n"); + numa_on = 0; + } + + if (!strncmp(lgopts[option_index].name, + OPTION_ENBJMO, sizeof(OPTION_ENBJMO))) { + struct option lenopts = { + "max-pkt-len", + required_argument, + 0, + 0 + }; + + printf("jumbo frame is enabled\n"); + port_conf.rxmode.jumbo_frame = 1; + + /* + * if no max-pkt-len set, then use the + * default value ETHER_MAX_LEN + */ + if (0 == getopt_long(argc, argvopt, "", + &lenopts, &option_index)) { + ret = parse_max_pkt_len(optarg); + if ((ret < 64) || + (ret > MAX_JUMBO_PKT_LEN)) { + printf("invalid packet " + "length\n"); + print_usage(prgname); + return -1; + } + port_conf.rxmode.max_rx_pkt_len = ret; + } + printf("set jumbo frame max packet length " + "to %u\n", + (unsigned int) + port_conf.rxmode.max_rx_pkt_len); + } + + if (!strncmp(lgopts[option_index].name, + OPTION_RULE_IPV4, + sizeof(OPTION_RULE_IPV4))) + parm_config.rule_ipv4_name = optarg; + + if (!strncmp(lgopts[option_index].name, + OPTION_RULE_IPV6, + sizeof(OPTION_RULE_IPV6))) { + parm_config.rule_ipv6_name = optarg; + } + + if (!strncmp(lgopts[option_index].name, + OPTION_SCALAR, sizeof(OPTION_SCALAR))) + parm_config.scalar = 1; + + + break; + + default: + print_usage(prgname); + return -1; + } + } + + if (optind >= 0) + argv[optind-1] = prgname; + + ret = optind-1; + optind = 0; /* reset getopt lib */ + return ret; +} + +static void +print_ethaddr(const char *name, const struct ether_addr *eth_addr) +{ + char buf[ETHER_ADDR_FMT_SIZE]; + ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr); + printf("%s%s", name, buf); +} + +static int +init_mem(unsigned nb_mbuf) +{ + int socketid; + unsigned lcore_id; + char s[64]; + + for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { + if (rte_lcore_is_enabled(lcore_id) == 0) + continue; + + if (numa_on) + socketid = rte_lcore_to_socket_id(lcore_id); + else + socketid = 0; + + if (socketid >= NB_SOCKETS) { + rte_exit(EXIT_FAILURE, + "Socket %d of lcore %u is out of range %d\n", + socketid, lcore_id, NB_SOCKETS); + } + if (pktmbuf_pool[socketid] == NULL) { + snprintf(s, sizeof(s), "mbuf_pool_%d", socketid); + pktmbuf_pool[socketid] = + rte_pktmbuf_pool_create(s, nb_mbuf, + MEMPOOL_CACHE_SIZE, 0, + RTE_MBUF_DEFAULT_BUF_SIZE, + socketid); + if (pktmbuf_pool[socketid] == NULL) + rte_exit(EXIT_FAILURE, + "Cannot init mbuf pool on socket %d\n", + socketid); + else + printf("Allocated mbuf pool on socket %d\n", + socketid); + } + } + return 0; +} + +/* Check the link status of all ports in up to 9s, and print them finally */ +static void +check_all_ports_link_status(uint8_t port_num, uint32_t port_mask) +{ +#define CHECK_INTERVAL 100 /* 100ms */ +#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */ + uint8_t portid, count, all_ports_up, print_flag = 0; + struct rte_eth_link link; + + printf("\nChecking link status"); + fflush(stdout); + for (count = 0; count <= MAX_CHECK_TIME; count++) { + all_ports_up = 1; + for (portid = 0; portid < port_num; portid++) { + if ((port_mask & (1 << portid)) == 0) + continue; + memset(&link, 0, sizeof(link)); + rte_eth_link_get_nowait(portid, &link); + /* print link status if flag set */ + if (print_flag == 1) { + if (link.link_status) + printf("Port %d Link Up - speed %u " + "Mbps - %s\n", (uint8_t)portid, + (unsigned)link.link_speed, + (link.link_duplex == ETH_LINK_FULL_DUPLEX) ? + ("full-duplex") : ("half-duplex\n")); + else + printf("Port %d Link Down\n", + (uint8_t)portid); + continue; + } + /* clear all_ports_up flag if any link down */ + if (link.link_status == ETH_LINK_DOWN) { + all_ports_up = 0; + break; + } + } + /* after finally printing all link status, get out */ + if (print_flag == 1) + break; + + if (all_ports_up == 0) { + printf("."); + fflush(stdout); + rte_delay_ms(CHECK_INTERVAL); + } + + /* set the print_flag if all ports up or timeout */ + if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) { + print_flag = 1; + printf("done\n"); + } + } +} + +int +main(int argc, char **argv) +{ + struct lcore_conf *qconf; + struct rte_eth_dev_info dev_info; + struct rte_eth_txconf *txconf; + int ret; + unsigned nb_ports; + uint16_t queueid; + unsigned lcore_id; + uint32_t n_tx_queue, nb_lcores; + uint8_t portid, nb_rx_queue, queue, socketid; + + /* init EAL */ + ret = rte_eal_init(argc, argv); + if (ret < 0) + rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n"); + argc -= ret; + argv += ret; + + /* parse application arguments (after the EAL ones) */ + ret = parse_args(argc, argv); + if (ret < 0) + rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n"); + + if (check_lcore_params() < 0) + rte_exit(EXIT_FAILURE, "check_lcore_params failed\n"); + + ret = init_lcore_rx_queues(); + if (ret < 0) + rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n"); + + nb_ports = rte_eth_dev_count(); + if (nb_ports > RTE_MAX_ETHPORTS) + nb_ports = RTE_MAX_ETHPORTS; + + if (check_port_config(nb_ports) < 0) + rte_exit(EXIT_FAILURE, "check_port_config failed\n"); + + /* Add ACL rules and route entries, build trie */ + if (app_acl_init() < 0) + rte_exit(EXIT_FAILURE, "app_acl_init failed\n"); + + nb_lcores = rte_lcore_count(); + + /* initialize all ports */ + for (portid = 0; portid < nb_ports; portid++) { + /* skip ports that are not enabled */ + if ((enabled_port_mask & (1 << portid)) == 0) { + printf("\nSkipping disabled port %d\n", portid); + continue; + } + + /* init port */ + printf("Initializing port %d ... ", portid); + fflush(stdout); + + nb_rx_queue = get_port_n_rx_queues(portid); + n_tx_queue = nb_lcores; + if (n_tx_queue > MAX_TX_QUEUE_PER_PORT) + n_tx_queue = MAX_TX_QUEUE_PER_PORT; + printf("Creating queues: nb_rxq=%d nb_txq=%u... ", + nb_rx_queue, (unsigned)n_tx_queue); + ret = rte_eth_dev_configure(portid, nb_rx_queue, + (uint16_t)n_tx_queue, &port_conf); + if (ret < 0) + rte_exit(EXIT_FAILURE, + "Cannot configure device: err=%d, port=%d\n", + ret, portid); + + rte_eth_macaddr_get(portid, &ports_eth_addr[portid]); + print_ethaddr(" Address:", &ports_eth_addr[portid]); + printf(", "); + + /* init memory */ + ret = init_mem(NB_MBUF); + if (ret < 0) + rte_exit(EXIT_FAILURE, "init_mem failed\n"); + + for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { + if (rte_lcore_is_enabled(lcore_id) == 0) + continue; + + /* Initialize TX buffers */ + qconf = &lcore_conf[lcore_id]; + qconf->tx_buffer[portid] = rte_zmalloc_socket("tx_buffer", + RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0, + rte_eth_dev_socket_id(portid)); + if (qconf->tx_buffer[portid] == NULL) + rte_exit(EXIT_FAILURE, "Can't allocate tx buffer for port %u\n", + (unsigned) portid); + + rte_eth_tx_buffer_init(qconf->tx_buffer[portid], MAX_PKT_BURST); + } + + /* init one TX queue per couple (lcore,port) */ + queueid = 0; + for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { + if (rte_lcore_is_enabled(lcore_id) == 0) + continue; + + if (numa_on) + socketid = (uint8_t) + rte_lcore_to_socket_id(lcore_id); + else + socketid = 0; + + printf("txq=%u,%d,%d ", lcore_id, queueid, socketid); + fflush(stdout); + + rte_eth_dev_info_get(portid, &dev_info); + txconf = &dev_info.default_txconf; + if (port_conf.rxmode.jumbo_frame) + txconf->txq_flags = 0; + ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd, + socketid, txconf); + if (ret < 0) + rte_exit(EXIT_FAILURE, + "rte_eth_tx_queue_setup: err=%d, " + "port=%d\n", ret, portid); + + qconf = &lcore_conf[lcore_id]; + qconf->tx_queue_id[portid] = queueid; + queueid++; + + qconf->tx_port_id[qconf->n_tx_port] = portid; + qconf->n_tx_port++; + } + printf("\n"); + } + + for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) { + if (rte_lcore_is_enabled(lcore_id) == 0) + continue; + qconf = &lcore_conf[lcore_id]; + printf("\nInitializing rx queues on lcore %u ... ", lcore_id); + fflush(stdout); + /* init RX queues */ + for (queue = 0; queue < qconf->n_rx_queue; ++queue) { + portid = qconf->rx_queue_list[queue].port_id; + queueid = qconf->rx_queue_list[queue].queue_id; + + if (numa_on) + socketid = (uint8_t) + rte_lcore_to_socket_id(lcore_id); + else + socketid = 0; + + printf("rxq=%d,%d,%d ", portid, queueid, socketid); + fflush(stdout); + + ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd, + socketid, NULL, + pktmbuf_pool[socketid]); + if (ret < 0) + rte_exit(EXIT_FAILURE, + "rte_eth_rx_queue_setup: err=%d," + "port=%d\n", ret, portid); + } + } + + printf("\n"); + + /* start ports */ + for (portid = 0; portid < nb_ports; portid++) { + if ((enabled_port_mask & (1 << portid)) == 0) + continue; + + /* Start device */ + ret = rte_eth_dev_start(portid); + if (ret < 0) + rte_exit(EXIT_FAILURE, + "rte_eth_dev_start: err=%d, port=%d\n", + ret, portid); + + /* + * If enabled, put device in promiscuous mode. + * This allows IO forwarding mode to forward packets + * to itself through 2 cross-connected ports of the + * target machine. + */ + if (promiscuous_on) + rte_eth_promiscuous_enable(portid); + } + + check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask); + + /* launch per-lcore init on every lcore */ + rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER); + RTE_LCORE_FOREACH_SLAVE(lcore_id) { + if (rte_eal_wait_lcore(lcore_id) < 0) + return -1; + } + + return 0; +} |