--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2015 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.
+ */
+
+#define _GNU_SOURCE
+
+#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_vect.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 <cmdline_parse.h>
+#include <cmdline_parse_etheraddr.h>
+
+#include <lthread_api.h>
+
+#define APP_LOOKUP_EXACT_MATCH 0
+#define APP_LOOKUP_LPM 1
+#define DO_RFC_1812_CHECKS
+
+/* Enable cpu-load stats 0-off, 1-on */
+#define APP_CPU_LOAD 1
+
+#ifndef APP_LOOKUP_METHOD
+#define APP_LOOKUP_METHOD APP_LOOKUP_LPM
+#endif
+
+/*
+ * When set to zero, simple forwaring path is eanbled.
+ * When set to one, optimized forwarding path is enabled.
+ * Note that LPM optimisation path uses SSE4.1 instructions.
+ */
+#if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && !defined(__SSE4_1__))
+#define ENABLE_MULTI_BUFFER_OPTIMIZE 0
+#else
+#define ENABLE_MULTI_BUFFER_OPTIMIZE 1
+#endif
+
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
+#include <rte_hash.h>
+#elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
+#include <rte_lpm.h>
+#include <rte_lpm6.h>
+#else
+#error "APP_LOOKUP_METHOD set to incorrect value"
+#endif
+
+#define RTE_LOGTYPE_L3FWD RTE_LOGTYPE_USER1
+
+#define MAX_JUMBO_PKT_LEN 9600
+
+#define IPV6_ADDR_LEN 16
+
+#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 */
+
+/*
+ * Try to avoid TX buffering if we have at least MAX_TX_BURST packets to send.
+ */
+#define MAX_TX_BURST (MAX_PKT_BURST / 2)
+#define BURST_SIZE MAX_TX_BURST
+
+#define NB_SOCKETS 8
+
+/* Configure how many packets ahead to prefetch, when reading packets */
+#define PREFETCH_OFFSET 3
+
+/* Used to mark destination port as 'invalid'. */
+#define BAD_PORT ((uint16_t)-1)
+
+#define FWDSTEP 4
+
+/*
+ * Configurable number of RX/TX ring descriptors
+ */
+#define RTE_TEST_RX_DESC_DEFAULT 128
+#define RTE_TEST_TX_DESC_DEFAULT 128
+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 uint64_t dest_eth_addr[RTE_MAX_ETHPORTS];
+static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
+
+static __m128i val_eth[RTE_MAX_ETHPORTS];
+
+/* replace first 12B of the ethernet header. */
+#define MASK_ETH 0x3f
+
+/* mask of enabled ports */
+static uint32_t enabled_port_mask;
+static int promiscuous_on; /**< $et in promiscuous mode off by default. */
+static int numa_on = 1; /**< NUMA is enabled by default. */
+
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
+static int ipv6; /**< ipv6 is false by default. */
+#endif
+
+#if (APP_CPU_LOAD == 1)
+
+#define MAX_CPU RTE_MAX_LCORE
+#define CPU_LOAD_TIMEOUT_US (5 * 1000 * 1000) /**< Timeout for collecting 5s */
+
+#define CPU_PROCESS 0
+#define CPU_POLL 1
+#define MAX_CPU_COUNTER 2
+
+struct cpu_load {
+ uint16_t n_cpu;
+ uint64_t counter;
+ uint64_t hits[MAX_CPU_COUNTER][MAX_CPU];
+} __rte_cache_aligned;
+
+static struct cpu_load cpu_load;
+static int cpu_load_lcore_id = -1;
+
+#define SET_CPU_BUSY(thread, counter) \
+ thread->conf.busy[counter] = 1
+
+#define SET_CPU_IDLE(thread, counter) \
+ thread->conf.busy[counter] = 0
+
+#define IS_CPU_BUSY(thread, counter) \
+ (thread->conf.busy[counter] > 0)
+
+#else
+
+#define SET_CPU_BUSY(thread, counter)
+#define SET_CPU_IDLE(thread, counter)
+#define IS_CPU_BUSY(thread, counter) 0
+
+#endif
+
+struct mbuf_table {
+ uint16_t len;
+ struct rte_mbuf *m_table[MAX_PKT_BURST];
+};
+
+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 rx_thread_params {
+ uint8_t port_id;
+ uint8_t queue_id;
+ uint8_t lcore_id;
+ uint8_t thread_id;
+} __rte_cache_aligned;
+
+static struct rx_thread_params rx_thread_params_array[MAX_LCORE_PARAMS];
+static struct rx_thread_params rx_thread_params_array_default[] = {
+ {0, 0, 2, 0},
+ {0, 1, 2, 1},
+ {0, 2, 2, 2},
+ {1, 0, 2, 3},
+ {1, 1, 2, 4},
+ {1, 2, 2, 5},
+ {2, 0, 2, 6},
+ {3, 0, 3, 7},
+ {3, 1, 3, 8},
+};
+
+static struct rx_thread_params *rx_thread_params =
+ rx_thread_params_array_default;
+static uint16_t nb_rx_thread_params = RTE_DIM(rx_thread_params_array_default);
+
+struct tx_thread_params {
+ uint8_t lcore_id;
+ uint8_t thread_id;
+} __rte_cache_aligned;
+
+static struct tx_thread_params tx_thread_params_array[MAX_LCORE_PARAMS];
+static struct tx_thread_params tx_thread_params_array_default[] = {
+ {4, 0},
+ {5, 1},
+ {6, 2},
+ {7, 3},
+ {8, 4},
+ {9, 5},
+ {10, 6},
+ {11, 7},
+ {12, 8},
+};
+
+static struct tx_thread_params *tx_thread_params =
+ tx_thread_params_array_default;
+static uint16_t nb_tx_thread_params = RTE_DIM(tx_thread_params_array_default);
+
+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_TCP,
+ },
+ },
+ .txmode = {
+ .mq_mode = ETH_MQ_TX_NONE,
+ },
+};
+
+static struct rte_mempool *pktmbuf_pool[NB_SOCKETS];
+
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
+
+#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
+#include <rte_hash_crc.h>
+#define DEFAULT_HASH_FUNC rte_hash_crc
+#else
+#include <rte_jhash.h>
+#define DEFAULT_HASH_FUNC rte_jhash
+#endif
+
+struct ipv4_5tuple {
+ uint32_t ip_dst;
+ uint32_t ip_src;
+ uint16_t port_dst;
+ uint16_t port_src;
+ uint8_t proto;
+} __attribute__((__packed__));
+
+union ipv4_5tuple_host {
+ struct {
+ uint8_t pad0;
+ uint8_t proto;
+ uint16_t pad1;
+ uint32_t ip_src;
+ uint32_t ip_dst;
+ uint16_t port_src;
+ uint16_t port_dst;
+ };
+ __m128i xmm;
+};
+
+#define XMM_NUM_IN_IPV6_5TUPLE 3
+
+struct ipv6_5tuple {
+ uint8_t ip_dst[IPV6_ADDR_LEN];
+ uint8_t ip_src[IPV6_ADDR_LEN];
+ uint16_t port_dst;
+ uint16_t port_src;
+ uint8_t proto;
+} __attribute__((__packed__));
+
+union ipv6_5tuple_host {
+ struct {
+ uint16_t pad0;
+ uint8_t proto;
+ uint8_t pad1;
+ uint8_t ip_src[IPV6_ADDR_LEN];
+ uint8_t ip_dst[IPV6_ADDR_LEN];
+ uint16_t port_src;
+ uint16_t port_dst;
+ uint64_t reserve;
+ };
+ __m128i xmm[XMM_NUM_IN_IPV6_5TUPLE];
+};
+
+struct ipv4_l3fwd_route {
+ struct ipv4_5tuple key;
+ uint8_t if_out;
+};
+
+struct ipv6_l3fwd_route {
+ struct ipv6_5tuple key;
+ uint8_t if_out;
+};
+
+static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
+ {{IPv4(101, 0, 0, 0), IPv4(100, 10, 0, 1), 101, 11, IPPROTO_TCP}, 0},
+ {{IPv4(201, 0, 0, 0), IPv4(200, 20, 0, 1), 102, 12, IPPROTO_TCP}, 1},
+ {{IPv4(111, 0, 0, 0), IPv4(100, 30, 0, 1), 101, 11, IPPROTO_TCP}, 2},
+ {{IPv4(211, 0, 0, 0), IPv4(200, 40, 0, 1), 102, 12, IPPROTO_TCP}, 3},
+};
+
+static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
+ {{
+ {0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
+ {0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38,
+ 0x05},
+ 101, 11, IPPROTO_TCP}, 0},
+
+ {{
+ {0xfe, 0x90, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
+ {0xfe, 0x90, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38,
+ 0x05},
+ 102, 12, IPPROTO_TCP}, 1},
+
+ {{
+ {0xfe, 0xa0, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
+ {0xfe, 0xa0, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38,
+ 0x05},
+ 101, 11, IPPROTO_TCP}, 2},
+
+ {{
+ {0xfe, 0xb0, 0, 0, 0, 0, 0, 0, 0x02, 0x1e, 0x67, 0xff, 0xfe, 0, 0, 0},
+ {0xfe, 0xb0, 0, 0, 0, 0, 0, 0, 0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38,
+ 0x05},
+ 102, 12, IPPROTO_TCP}, 3},
+};
+
+typedef struct rte_hash lookup_struct_t;
+static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
+static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
+
+#ifdef RTE_ARCH_X86_64
+/* default to 4 million hash entries (approx) */
+#define L3FWD_HASH_ENTRIES (1024*1024*4)
+#else
+/* 32-bit has less address-space for hugepage memory, limit to 1M entries */
+#define L3FWD_HASH_ENTRIES (1024*1024*1)
+#endif
+#define HASH_ENTRY_NUMBER_DEFAULT 4
+
+static uint32_t hash_entry_number = HASH_ENTRY_NUMBER_DEFAULT;
+
+static inline uint32_t
+ipv4_hash_crc(const void *data, __rte_unused uint32_t data_len,
+ uint32_t init_val)
+{
+ const union ipv4_5tuple_host *k;
+ uint32_t t;
+ const uint32_t *p;
+
+ k = data;
+ t = k->proto;
+ p = (const uint32_t *)&k->port_src;
+
+#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
+ init_val = rte_hash_crc_4byte(t, init_val);
+ init_val = rte_hash_crc_4byte(k->ip_src, init_val);
+ init_val = rte_hash_crc_4byte(k->ip_dst, init_val);
+ init_val = rte_hash_crc_4byte(*p, init_val);
+#else /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+ init_val = rte_jhash_1word(t, init_val);
+ init_val = rte_jhash_1word(k->ip_src, init_val);
+ init_val = rte_jhash_1word(k->ip_dst, init_val);
+ init_val = rte_jhash_1word(*p, init_val);
+#endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+ return init_val;
+}
+
+static inline uint32_t
+ipv6_hash_crc(const void *data, __rte_unused uint32_t data_len,
+ uint32_t init_val)
+{
+ const union ipv6_5tuple_host *k;
+ uint32_t t;
+ const uint32_t *p;
+#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
+ const uint32_t *ip_src0, *ip_src1, *ip_src2, *ip_src3;
+ const uint32_t *ip_dst0, *ip_dst1, *ip_dst2, *ip_dst3;
+#endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+
+ k = data;
+ t = k->proto;
+ p = (const uint32_t *)&k->port_src;
+
+#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
+ ip_src0 = (const uint32_t *) k->ip_src;
+ ip_src1 = (const uint32_t *)(k->ip_src + 4);
+ ip_src2 = (const uint32_t *)(k->ip_src + 8);
+ ip_src3 = (const uint32_t *)(k->ip_src + 12);
+ ip_dst0 = (const uint32_t *) k->ip_dst;
+ ip_dst1 = (const uint32_t *)(k->ip_dst + 4);
+ ip_dst2 = (const uint32_t *)(k->ip_dst + 8);
+ ip_dst3 = (const uint32_t *)(k->ip_dst + 12);
+ init_val = rte_hash_crc_4byte(t, init_val);
+ init_val = rte_hash_crc_4byte(*ip_src0, init_val);
+ init_val = rte_hash_crc_4byte(*ip_src1, init_val);
+ init_val = rte_hash_crc_4byte(*ip_src2, init_val);
+ init_val = rte_hash_crc_4byte(*ip_src3, init_val);
+ init_val = rte_hash_crc_4byte(*ip_dst0, init_val);
+ init_val = rte_hash_crc_4byte(*ip_dst1, init_val);
+ init_val = rte_hash_crc_4byte(*ip_dst2, init_val);
+ init_val = rte_hash_crc_4byte(*ip_dst3, init_val);
+ init_val = rte_hash_crc_4byte(*p, init_val);
+#else /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+ init_val = rte_jhash_1word(t, init_val);
+ init_val = rte_jhash(k->ip_src, sizeof(uint8_t) * IPV6_ADDR_LEN, init_val);
+ init_val = rte_jhash(k->ip_dst, sizeof(uint8_t) * IPV6_ADDR_LEN, init_val);
+ init_val = rte_jhash_1word(*p, init_val);
+#endif /* RTE_MACHINE_CPUFLAG_SSE4_2 */
+ return init_val;
+}
+
+#define IPV4_L3FWD_NUM_ROUTES RTE_DIM(ipv4_l3fwd_route_array)
+#define IPV6_L3FWD_NUM_ROUTES RTE_DIM(ipv6_l3fwd_route_array)
+
+static uint8_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
+static uint8_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
+
+#endif
+
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
+struct ipv4_l3fwd_route {
+ uint32_t ip;
+ uint8_t depth;
+ uint8_t if_out;
+};
+
+struct ipv6_l3fwd_route {
+ uint8_t ip[16];
+ uint8_t depth;
+ uint8_t if_out;
+};
+
+static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
+ {IPv4(1, 1, 1, 0), 24, 0},
+ {IPv4(2, 1, 1, 0), 24, 1},
+ {IPv4(3, 1, 1, 0), 24, 2},
+ {IPv4(4, 1, 1, 0), 24, 3},
+ {IPv4(5, 1, 1, 0), 24, 4},
+ {IPv4(6, 1, 1, 0), 24, 5},
+ {IPv4(7, 1, 1, 0), 24, 6},
+ {IPv4(8, 1, 1, 0), 24, 7},
+};
+
+static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
+ {{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 0},
+ {{2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 1},
+ {{3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 2},
+ {{4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 3},
+ {{5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 4},
+ {{6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 5},
+ {{7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 6},
+ {{8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}, 48, 7},
+};
+
+#define IPV4_L3FWD_NUM_ROUTES RTE_DIM(ipv4_l3fwd_route_array)
+#define IPV6_L3FWD_NUM_ROUTES RTE_DIM(ipv6_l3fwd_route_array)
+
+#define IPV4_L3FWD_LPM_MAX_RULES 1024
+#define IPV6_L3FWD_LPM_MAX_RULES 1024
+#define IPV6_L3FWD_LPM_NUMBER_TBL8S (1 << 16)
+
+typedef struct rte_lpm lookup_struct_t;
+typedef struct rte_lpm6 lookup6_struct_t;
+static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
+static lookup6_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
+#endif
+
+struct lcore_conf {
+ lookup_struct_t *ipv4_lookup_struct;
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
+ lookup6_struct_t *ipv6_lookup_struct;
+#else
+ lookup_struct_t *ipv6_lookup_struct;
+#endif
+ void *data;
+} __rte_cache_aligned;
+
+static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
+RTE_DEFINE_PER_LCORE(struct lcore_conf *, lcore_conf);
+
+#define MAX_RX_QUEUE_PER_THREAD 16
+#define MAX_TX_PORT_PER_THREAD RTE_MAX_ETHPORTS
+#define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
+#define MAX_RX_QUEUE_PER_PORT 128
+
+#define MAX_RX_THREAD 1024
+#define MAX_TX_THREAD 1024
+#define MAX_THREAD (MAX_RX_THREAD + MAX_TX_THREAD)
+
+/**
+ * Producers and consumers threads configuration
+ */
+static int lthreads_on = 1; /**< Use lthreads for processing*/
+
+rte_atomic16_t rx_counter; /**< Number of spawned rx threads */
+rte_atomic16_t tx_counter; /**< Number of spawned tx threads */
+
+struct thread_conf {
+ uint16_t lcore_id; /**< Initial lcore for rx thread */
+ uint16_t cpu_id; /**< Cpu id for cpu load stats counter */
+ uint16_t thread_id; /**< Thread ID */
+
+#if (APP_CPU_LOAD > 0)
+ int busy[MAX_CPU_COUNTER];
+#endif
+};
+
+struct thread_rx_conf {
+ struct thread_conf conf;
+
+ uint16_t n_rx_queue;
+ struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
+
+ uint16_t n_ring; /**< Number of output rings */
+ struct rte_ring *ring[RTE_MAX_LCORE];
+ struct lthread_cond *ready[RTE_MAX_LCORE];
+
+#if (APP_CPU_LOAD > 0)
+ int busy[MAX_CPU_COUNTER];
+#endif
+} __rte_cache_aligned;
+
+uint16_t n_rx_thread;
+struct thread_rx_conf rx_thread[MAX_RX_THREAD];
+
+struct thread_tx_conf {
+ struct thread_conf conf;
+
+ uint16_t tx_queue_id[RTE_MAX_LCORE];
+ struct mbuf_table tx_mbufs[RTE_MAX_LCORE];
+
+ struct rte_ring *ring;
+ struct lthread_cond **ready;
+
+} __rte_cache_aligned;
+
+uint16_t n_tx_thread;
+struct thread_tx_conf tx_thread[MAX_TX_THREAD];
+
+/* Send burst of packets on an output interface */
+static inline int
+send_burst(struct thread_tx_conf *qconf, uint16_t n, uint8_t port)
+{
+ struct rte_mbuf **m_table;
+ int ret;
+ uint16_t queueid;
+
+ queueid = qconf->tx_queue_id[port];
+ m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
+
+ ret = rte_eth_tx_burst(port, queueid, m_table, n);
+ if (unlikely(ret < n)) {
+ do {
+ rte_pktmbuf_free(m_table[ret]);
+ } while (++ret < n);
+ }
+
+ return 0;
+}
+
+/* Enqueue a single packet, and send burst if queue is filled */
+static inline int
+send_single_packet(struct rte_mbuf *m, uint8_t port)
+{
+ uint16_t len;
+ struct thread_tx_conf *qconf;
+
+ if (lthreads_on)
+ qconf = (struct thread_tx_conf *)lthread_get_data();
+ else
+ qconf = (struct thread_tx_conf *)RTE_PER_LCORE(lcore_conf)->data;
+
+ len = qconf->tx_mbufs[port].len;
+ qconf->tx_mbufs[port].m_table[len] = m;
+ len++;
+
+ /* enough pkts to be sent */
+ if (unlikely(len == MAX_PKT_BURST)) {
+ send_burst(qconf, MAX_PKT_BURST, port);
+ len = 0;
+ }
+
+ qconf->tx_mbufs[port].len = len;
+ return 0;
+}
+
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
+static inline __attribute__((always_inline)) void
+send_packetsx4(uint8_t port,
+ struct rte_mbuf *m[], uint32_t num)
+{
+ uint32_t len, j, n;
+ struct thread_tx_conf *qconf;
+
+ if (lthreads_on)
+ qconf = (struct thread_tx_conf *)lthread_get_data();
+ else
+ qconf = (struct thread_tx_conf *)RTE_PER_LCORE(lcore_conf)->data;
+
+ len = qconf->tx_mbufs[port].len;
+
+ /*
+ * If TX buffer for that queue is empty, and we have enough packets,
+ * then send them straightway.
+ */
+ if (num >= MAX_TX_BURST && len == 0) {
+ n = rte_eth_tx_burst(port, qconf->tx_queue_id[port], m, num);
+ if (unlikely(n < num)) {
+ do {
+ rte_pktmbuf_free(m[n]);
+ } while (++n < num);
+ }
+ return;
+ }
+
+ /*
+ * Put packets into TX buffer for that queue.
+ */
+
+ n = len + num;
+ n = (n > MAX_PKT_BURST) ? MAX_PKT_BURST - len : num;
+
+ j = 0;
+ switch (n % FWDSTEP) {
+ while (j < n) {
+ case 0:
+ qconf->tx_mbufs[port].m_table[len + j] = m[j];
+ j++;
+ case 3:
+ qconf->tx_mbufs[port].m_table[len + j] = m[j];
+ j++;
+ case 2:
+ qconf->tx_mbufs[port].m_table[len + j] = m[j];
+ j++;
+ case 1:
+ qconf->tx_mbufs[port].m_table[len + j] = m[j];
+ j++;
+ }
+ }
+
+ len += n;
+
+ /* enough pkts to be sent */
+ if (unlikely(len == MAX_PKT_BURST)) {
+
+ send_burst(qconf, MAX_PKT_BURST, port);
+
+ /* copy rest of the packets into the TX buffer. */
+ len = num - n;
+ j = 0;
+ switch (len % FWDSTEP) {
+ while (j < len) {
+ case 0:
+ qconf->tx_mbufs[port].m_table[j] = m[n + j];
+ j++;
+ case 3:
+ qconf->tx_mbufs[port].m_table[j] = m[n + j];
+ j++;
+ case 2:
+ qconf->tx_mbufs[port].m_table[j] = m[n + j];
+ j++;
+ case 1:
+ qconf->tx_mbufs[port].m_table[j] = m[n + j];
+ j++;
+ }
+ }
+ }
+
+ qconf->tx_mbufs[port].len = len;
+}
+#endif /* APP_LOOKUP_LPM */
+
+#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
+
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
+
+static __m128i mask0;
+static __m128i mask1;
+static __m128i mask2;
+static inline uint8_t
+get_ipv4_dst_port(void *ipv4_hdr, uint8_t portid,
+ lookup_struct_t *ipv4_l3fwd_lookup_struct)
+{
+ int ret = 0;
+ union ipv4_5tuple_host key;
+
+ ipv4_hdr = (uint8_t *)ipv4_hdr + offsetof(struct ipv4_hdr, time_to_live);
+ __m128i data = _mm_loadu_si128((__m128i *)(ipv4_hdr));
+ /* Get 5 tuple: dst port, src port, dst IP address, src IP address and
+ protocol */
+ key.xmm = _mm_and_si128(data, mask0);
+ /* Find destination port */
+ ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
+ return (uint8_t)((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]);
+}
+
+static inline uint8_t
+get_ipv6_dst_port(void *ipv6_hdr, uint8_t portid,
+ lookup_struct_t *ipv6_l3fwd_lookup_struct)
+{
+ int ret = 0;
+ union ipv6_5tuple_host key;
+
+ ipv6_hdr = (uint8_t *)ipv6_hdr + offsetof(struct ipv6_hdr, payload_len);
+ __m128i data0 = _mm_loadu_si128((__m128i *)(ipv6_hdr));
+ __m128i data1 = _mm_loadu_si128((__m128i *)(((uint8_t *)ipv6_hdr) +
+ sizeof(__m128i)));
+ __m128i data2 = _mm_loadu_si128((__m128i *)(((uint8_t *)ipv6_hdr) +
+ sizeof(__m128i) + sizeof(__m128i)));
+ /* Get part of 5 tuple: src IP address lower 96 bits and protocol */
+ key.xmm[0] = _mm_and_si128(data0, mask1);
+ /* Get part of 5 tuple: dst IP address lower 96 bits and src IP address
+ higher 32 bits */
+ key.xmm[1] = data1;
+ /* Get part of 5 tuple: dst port and src port and dst IP address higher
+ 32 bits */
+ key.xmm[2] = _mm_and_si128(data2, mask2);
+
+ /* Find destination port */
+ ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
+ return (uint8_t)((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
+}
+#endif
+
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
+
+static inline uint8_t
+get_ipv4_dst_port(void *ipv4_hdr, uint8_t portid,
+ lookup_struct_t *ipv4_l3fwd_lookup_struct)
+{
+ uint8_t next_hop;
+
+ return (uint8_t)((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
+ rte_be_to_cpu_32(((struct ipv4_hdr *)ipv4_hdr)->dst_addr),
+ &next_hop) == 0) ? next_hop : portid);
+}
+
+static inline uint8_t
+get_ipv6_dst_port(void *ipv6_hdr, uint8_t portid,
+ lookup6_struct_t *ipv6_l3fwd_lookup_struct)
+{
+ uint8_t next_hop;
+
+ return (uint8_t) ((rte_lpm6_lookup(ipv6_l3fwd_lookup_struct,
+ ((struct ipv6_hdr *)ipv6_hdr)->dst_addr, &next_hop) == 0) ?
+ next_hop : portid);
+}
+#endif
+
+static inline void l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid)
+ __attribute__((unused));
+
+#if ((APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) && \
+ (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
+
+#define MASK_ALL_PKTS 0xff
+#define EXCLUDE_1ST_PKT 0xfe
+#define EXCLUDE_2ND_PKT 0xfd
+#define EXCLUDE_3RD_PKT 0xfb
+#define EXCLUDE_4TH_PKT 0xf7
+#define EXCLUDE_5TH_PKT 0xef
+#define EXCLUDE_6TH_PKT 0xdf
+#define EXCLUDE_7TH_PKT 0xbf
+#define EXCLUDE_8TH_PKT 0x7f
+
+static inline void
+simple_ipv4_fwd_8pkts(struct rte_mbuf *m[8], uint8_t portid)
+{
+ struct ether_hdr *eth_hdr[8];
+ struct ipv4_hdr *ipv4_hdr[8];
+ uint8_t dst_port[8];
+ int32_t ret[8];
+ union ipv4_5tuple_host key[8];
+ __m128i data[8];
+
+ eth_hdr[0] = rte_pktmbuf_mtod(m[0], struct ether_hdr *);
+ eth_hdr[1] = rte_pktmbuf_mtod(m[1], struct ether_hdr *);
+ eth_hdr[2] = rte_pktmbuf_mtod(m[2], struct ether_hdr *);
+ eth_hdr[3] = rte_pktmbuf_mtod(m[3], struct ether_hdr *);
+ eth_hdr[4] = rte_pktmbuf_mtod(m[4], struct ether_hdr *);
+ eth_hdr[5] = rte_pktmbuf_mtod(m[5], struct ether_hdr *);
+ eth_hdr[6] = rte_pktmbuf_mtod(m[6], struct ether_hdr *);
+ eth_hdr[7] = rte_pktmbuf_mtod(m[7], struct ether_hdr *);
+
+ /* Handle IPv4 headers.*/
+ ipv4_hdr[0] = rte_pktmbuf_mtod_offset(m[0], struct ipv4_hdr *,
+ sizeof(struct ether_hdr));
+ ipv4_hdr[1] = rte_pktmbuf_mtod_offset(m[1], struct ipv4_hdr *,
+ sizeof(struct ether_hdr));
+ ipv4_hdr[2] = rte_pktmbuf_mtod_offset(m[2], struct ipv4_hdr *,
+ sizeof(struct ether_hdr));
+ ipv4_hdr[3] = rte_pktmbuf_mtod_offset(m[3], struct ipv4_hdr *,
+ sizeof(struct ether_hdr));
+ ipv4_hdr[4] = rte_pktmbuf_mtod_offset(m[4], struct ipv4_hdr *,
+ sizeof(struct ether_hdr));
+ ipv4_hdr[5] = rte_pktmbuf_mtod_offset(m[5], struct ipv4_hdr *,
+ sizeof(struct ether_hdr));
+ ipv4_hdr[6] = rte_pktmbuf_mtod_offset(m[6], struct ipv4_hdr *,
+ sizeof(struct ether_hdr));
+ ipv4_hdr[7] = rte_pktmbuf_mtod_offset(m[7], struct ipv4_hdr *,
+ sizeof(struct ether_hdr));
+
+#ifdef DO_RFC_1812_CHECKS
+ /* Check to make sure the packet is valid (RFC1812) */
+ uint8_t valid_mask = MASK_ALL_PKTS;
+
+ if (is_valid_ipv4_pkt(ipv4_hdr[0], m[0]->pkt_len) < 0) {
+ rte_pktmbuf_free(m[0]);
+ valid_mask &= EXCLUDE_1ST_PKT;
+ }
+ if (is_valid_ipv4_pkt(ipv4_hdr[1], m[1]->pkt_len) < 0) {
+ rte_pktmbuf_free(m[1]);
+ valid_mask &= EXCLUDE_2ND_PKT;
+ }
+ if (is_valid_ipv4_pkt(ipv4_hdr[2], m[2]->pkt_len) < 0) {
+ rte_pktmbuf_free(m[2]);
+ valid_mask &= EXCLUDE_3RD_PKT;
+ }
+ if (is_valid_ipv4_pkt(ipv4_hdr[3], m[3]->pkt_len) < 0) {
+ rte_pktmbuf_free(m[3]);
+ valid_mask &= EXCLUDE_4TH_PKT;
+ }
+ if (is_valid_ipv4_pkt(ipv4_hdr[4], m[4]->pkt_len) < 0) {
+ rte_pktmbuf_free(m[4]);
+ valid_mask &= EXCLUDE_5TH_PKT;
+ }
+ if (is_valid_ipv4_pkt(ipv4_hdr[5], m[5]->pkt_len) < 0) {
+ rte_pktmbuf_free(m[5]);
+ valid_mask &= EXCLUDE_6TH_PKT;
+ }
+ if (is_valid_ipv4_pkt(ipv4_hdr[6], m[6]->pkt_len) < 0) {
+ rte_pktmbuf_free(m[6]);
+ valid_mask &= EXCLUDE_7TH_PKT;
+ }
+ if (is_valid_ipv4_pkt(ipv4_hdr[7], m[7]->pkt_len) < 0) {
+ rte_pktmbuf_free(m[7]);
+ valid_mask &= EXCLUDE_8TH_PKT;
+ }
+ if (unlikely(valid_mask != MASK_ALL_PKTS)) {
+ if (valid_mask == 0)
+ return;
+
+ uint8_t i = 0;
+
+ for (i = 0; i < 8; i++)
+ if ((0x1 << i) & valid_mask)
+ l3fwd_simple_forward(m[i], portid);
+ }
+#endif /* End of #ifdef DO_RFC_1812_CHECKS */
+
+ data[0] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[0], __m128i *,
+ sizeof(struct ether_hdr) +
+ offsetof(struct ipv4_hdr, time_to_live)));
+ data[1] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[1], __m128i *,
+ sizeof(struct ether_hdr) +
+ offsetof(struct ipv4_hdr, time_to_live)));
+ data[2] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[2], __m128i *,
+ sizeof(struct ether_hdr) +
+ offsetof(struct ipv4_hdr, time_to_live)));
+ data[3] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[3], __m128i *,
+ sizeof(struct ether_hdr) +
+ offsetof(struct ipv4_hdr, time_to_live)));
+ data[4] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[4], __m128i *,
+ sizeof(struct ether_hdr) +
+ offsetof(struct ipv4_hdr, time_to_live)));
+ data[5] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[5], __m128i *,
+ sizeof(struct ether_hdr) +
+ offsetof(struct ipv4_hdr, time_to_live)));
+ data[6] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[6], __m128i *,
+ sizeof(struct ether_hdr) +
+ offsetof(struct ipv4_hdr, time_to_live)));
+ data[7] = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m[7], __m128i *,
+ sizeof(struct ether_hdr) +
+ offsetof(struct ipv4_hdr, time_to_live)));
+
+ key[0].xmm = _mm_and_si128(data[0], mask0);
+ key[1].xmm = _mm_and_si128(data[1], mask0);
+ key[2].xmm = _mm_and_si128(data[2], mask0);
+ key[3].xmm = _mm_and_si128(data[3], mask0);
+ key[4].xmm = _mm_and_si128(data[4], mask0);
+ key[5].xmm = _mm_and_si128(data[5], mask0);
+ key[6].xmm = _mm_and_si128(data[6], mask0);
+ key[7].xmm = _mm_and_si128(data[7], mask0);
+
+ const void *key_array[8] = {&key[0], &key[1], &key[2], &key[3],
+ &key[4], &key[5], &key[6], &key[7]};
+
+ rte_hash_lookup_multi(RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct,
+ &key_array[0], 8, ret);
+ dst_port[0] = (uint8_t) ((ret[0] < 0) ? portid : ipv4_l3fwd_out_if[ret[0]]);
+ dst_port[1] = (uint8_t) ((ret[1] < 0) ? portid : ipv4_l3fwd_out_if[ret[1]]);
+ dst_port[2] = (uint8_t) ((ret[2] < 0) ? portid : ipv4_l3fwd_out_if[ret[2]]);
+ dst_port[3] = (uint8_t) ((ret[3] < 0) ? portid : ipv4_l3fwd_out_if[ret[3]]);
+ dst_port[4] = (uint8_t) ((ret[4] < 0) ? portid : ipv4_l3fwd_out_if[ret[4]]);
+ dst_port[5] = (uint8_t) ((ret[5] < 0) ? portid : ipv4_l3fwd_out_if[ret[5]]);
+ dst_port[6] = (uint8_t) ((ret[6] < 0) ? portid : ipv4_l3fwd_out_if[ret[6]]);
+ dst_port[7] = (uint8_t) ((ret[7] < 0) ? portid : ipv4_l3fwd_out_if[ret[7]]);
+
+ if (dst_port[0] >= RTE_MAX_ETHPORTS ||
+ (enabled_port_mask & 1 << dst_port[0]) == 0)
+ dst_port[0] = portid;
+ if (dst_port[1] >= RTE_MAX_ETHPORTS ||
+ (enabled_port_mask & 1 << dst_port[1]) == 0)
+ dst_port[1] = portid;
+ if (dst_port[2] >= RTE_MAX_ETHPORTS ||
+ (enabled_port_mask & 1 << dst_port[2]) == 0)
+ dst_port[2] = portid;
+ if (dst_port[3] >= RTE_MAX_ETHPORTS ||
+ (enabled_port_mask & 1 << dst_port[3]) == 0)
+ dst_port[3] = portid;
+ if (dst_port[4] >= RTE_MAX_ETHPORTS ||
+ (enabled_port_mask & 1 << dst_port[4]) == 0)
+ dst_port[4] = portid;
+ if (dst_port[5] >= RTE_MAX_ETHPORTS ||
+ (enabled_port_mask & 1 << dst_port[5]) == 0)
+ dst_port[5] = portid;
+ if (dst_port[6] >= RTE_MAX_ETHPORTS ||
+ (enabled_port_mask & 1 << dst_port[6]) == 0)
+ dst_port[6] = portid;
+ if (dst_port[7] >= RTE_MAX_ETHPORTS ||
+ (enabled_port_mask & 1 << dst_port[7]) == 0)
+ dst_port[7] = portid;
+
+#ifdef DO_RFC_1812_CHECKS
+ /* Update time to live and header checksum */
+ --(ipv4_hdr[0]->time_to_live);
+ --(ipv4_hdr[1]->time_to_live);
+ --(ipv4_hdr[2]->time_to_live);
+ --(ipv4_hdr[3]->time_to_live);
+ ++(ipv4_hdr[0]->hdr_checksum);
+ ++(ipv4_hdr[1]->hdr_checksum);
+ ++(ipv4_hdr[2]->hdr_checksum);
+ ++(ipv4_hdr[3]->hdr_checksum);
+ --(ipv4_hdr[4]->time_to_live);
+ --(ipv4_hdr[5]->time_to_live);
+ --(ipv4_hdr[6]->time_to_live);
+ --(ipv4_hdr[7]->time_to_live);
+ ++(ipv4_hdr[4]->hdr_checksum);
+ ++(ipv4_hdr[5]->hdr_checksum);
+ ++(ipv4_hdr[6]->hdr_checksum);
+ ++(ipv4_hdr[7]->hdr_checksum);
+#endif
+
+ /* dst addr */
+ *(uint64_t *)ð_hdr[0]->d_addr = dest_eth_addr[dst_port[0]];
+ *(uint64_t *)ð_hdr[1]->d_addr = dest_eth_addr[dst_port[1]];
+ *(uint64_t *)ð_hdr[2]->d_addr = dest_eth_addr[dst_port[2]];
+ *(uint64_t *)ð_hdr[3]->d_addr = dest_eth_addr[dst_port[3]];
+ *(uint64_t *)ð_hdr[4]->d_addr = dest_eth_addr[dst_port[4]];
+ *(uint64_t *)ð_hdr[5]->d_addr = dest_eth_addr[dst_port[5]];
+ *(uint64_t *)ð_hdr[6]->d_addr = dest_eth_addr[dst_port[6]];
+ *(uint64_t *)ð_hdr[7]->d_addr = dest_eth_addr[dst_port[7]];
+
+ /* src addr */
+ ether_addr_copy(&ports_eth_addr[dst_port[0]], ð_hdr[0]->s_addr);
+ ether_addr_copy(&ports_eth_addr[dst_port[1]], ð_hdr[1]->s_addr);
+ ether_addr_copy(&ports_eth_addr[dst_port[2]], ð_hdr[2]->s_addr);
+ ether_addr_copy(&ports_eth_addr[dst_port[3]], ð_hdr[3]->s_addr);
+ ether_addr_copy(&ports_eth_addr[dst_port[4]], ð_hdr[4]->s_addr);
+ ether_addr_copy(&ports_eth_addr[dst_port[5]], ð_hdr[5]->s_addr);
+ ether_addr_copy(&ports_eth_addr[dst_port[6]], ð_hdr[6]->s_addr);
+ ether_addr_copy(&ports_eth_addr[dst_port[7]], ð_hdr[7]->s_addr);
+
+ send_single_packet(m[0], (uint8_t)dst_port[0]);
+ send_single_packet(m[1], (uint8_t)dst_port[1]);
+ send_single_packet(m[2], (uint8_t)dst_port[2]);
+ send_single_packet(m[3], (uint8_t)dst_port[3]);
+ send_single_packet(m[4], (uint8_t)dst_port[4]);
+ send_single_packet(m[5], (uint8_t)dst_port[5]);
+ send_single_packet(m[6], (uint8_t)dst_port[6]);
+ send_single_packet(m[7], (uint8_t)dst_port[7]);
+
+}
+
+static inline void get_ipv6_5tuple(struct rte_mbuf *m0, __m128i mask0,
+ __m128i mask1, union ipv6_5tuple_host *key)
+{
+ __m128i tmpdata0 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0,
+ __m128i *, sizeof(struct ether_hdr) +
+ offsetof(struct ipv6_hdr, payload_len)));
+ __m128i tmpdata1 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0,
+ __m128i *, sizeof(struct ether_hdr) +
+ offsetof(struct ipv6_hdr, payload_len) + sizeof(__m128i)));
+ __m128i tmpdata2 = _mm_loadu_si128(rte_pktmbuf_mtod_offset(m0,
+ __m128i *, sizeof(struct ether_hdr) +
+ offsetof(struct ipv6_hdr, payload_len) + sizeof(__m128i) +
+ sizeof(__m128i)));
+ key->xmm[0] = _mm_and_si128(tmpdata0, mask0);
+ key->xmm[1] = tmpdata1;
+ key->xmm[2] = _mm_and_si128(tmpdata2, mask1);
+}
+
+static inline void
+simple_ipv6_fwd_8pkts(struct rte_mbuf *m[8], uint8_t portid)
+{
+ int32_t ret[8];
+ uint8_t dst_port[8];
+ struct ether_hdr *eth_hdr[8];
+ union ipv6_5tuple_host key[8];
+
+ __attribute__((unused)) struct ipv6_hdr *ipv6_hdr[8];
+
+ eth_hdr[0] = rte_pktmbuf_mtod(m[0], struct ether_hdr *);
+ eth_hdr[1] = rte_pktmbuf_mtod(m[1], struct ether_hdr *);
+ eth_hdr[2] = rte_pktmbuf_mtod(m[2], struct ether_hdr *);
+ eth_hdr[3] = rte_pktmbuf_mtod(m[3], struct ether_hdr *);
+ eth_hdr[4] = rte_pktmbuf_mtod(m[4], struct ether_hdr *);
+ eth_hdr[5] = rte_pktmbuf_mtod(m[5], struct ether_hdr *);
+ eth_hdr[6] = rte_pktmbuf_mtod(m[6], struct ether_hdr *);
+ eth_hdr[7] = rte_pktmbuf_mtod(m[7], struct ether_hdr *);
+
+ /* Handle IPv6 headers.*/
+ ipv6_hdr[0] = rte_pktmbuf_mtod_offset(m[0], struct ipv6_hdr *,
+ sizeof(struct ether_hdr));
+ ipv6_hdr[1] = rte_pktmbuf_mtod_offset(m[1], struct ipv6_hdr *,
+ sizeof(struct ether_hdr));
+ ipv6_hdr[2] = rte_pktmbuf_mtod_offset(m[2], struct ipv6_hdr *,
+ sizeof(struct ether_hdr));
+ ipv6_hdr[3] = rte_pktmbuf_mtod_offset(m[3], struct ipv6_hdr *,
+ sizeof(struct ether_hdr));
+ ipv6_hdr[4] = rte_pktmbuf_mtod_offset(m[4], struct ipv6_hdr *,
+ sizeof(struct ether_hdr));
+ ipv6_hdr[5] = rte_pktmbuf_mtod_offset(m[5], struct ipv6_hdr *,
+ sizeof(struct ether_hdr));
+ ipv6_hdr[6] = rte_pktmbuf_mtod_offset(m[6], struct ipv6_hdr *,
+ sizeof(struct ether_hdr));
+ ipv6_hdr[7] = rte_pktmbuf_mtod_offset(m[7], struct ipv6_hdr *,
+ sizeof(struct ether_hdr));
+
+ get_ipv6_5tuple(m[0], mask1, mask2, &key[0]);
+ get_ipv6_5tuple(m[1], mask1, mask2, &key[1]);
+ get_ipv6_5tuple(m[2], mask1, mask2, &key[2]);
+ get_ipv6_5tuple(m[3], mask1, mask2, &key[3]);
+ get_ipv6_5tuple(m[4], mask1, mask2, &key[4]);
+ get_ipv6_5tuple(m[5], mask1, mask2, &key[5]);
+ get_ipv6_5tuple(m[6], mask1, mask2, &key[6]);
+ get_ipv6_5tuple(m[7], mask1, mask2, &key[7]);
+
+ const void *key_array[8] = {&key[0], &key[1], &key[2], &key[3],
+ &key[4], &key[5], &key[6], &key[7]};
+
+ rte_hash_lookup_multi(RTE_PER_LCORE(lcore_conf)->ipv6_lookup_struct,
+ &key_array[0], 4, ret);
+ dst_port[0] = (uint8_t) ((ret[0] < 0) ? portid : ipv6_l3fwd_out_if[ret[0]]);
+ dst_port[1] = (uint8_t) ((ret[1] < 0) ? portid : ipv6_l3fwd_out_if[ret[1]]);
+ dst_port[2] = (uint8_t) ((ret[2] < 0) ? portid : ipv6_l3fwd_out_if[ret[2]]);
+ dst_port[3] = (uint8_t) ((ret[3] < 0) ? portid : ipv6_l3fwd_out_if[ret[3]]);
+ dst_port[4] = (uint8_t) ((ret[4] < 0) ? portid : ipv6_l3fwd_out_if[ret[4]]);
+ dst_port[5] = (uint8_t) ((ret[5] < 0) ? portid : ipv6_l3fwd_out_if[ret[5]]);
+ dst_port[6] = (uint8_t) ((ret[6] < 0) ? portid : ipv6_l3fwd_out_if[ret[6]]);
+ dst_port[7] = (uint8_t) ((ret[7] < 0) ? portid : ipv6_l3fwd_out_if[ret[7]]);
+
+ if (dst_port[0] >= RTE_MAX_ETHPORTS ||
+ (enabled_port_mask & 1 << dst_port[0]) == 0)
+ dst_port[0] = portid;
+ if (dst_port[1] >= RTE_MAX_ETHPORTS ||
+ (enabled_port_mask & 1 << dst_port[1]) == 0)
+ dst_port[1] = portid;
+ if (dst_port[2] >= RTE_MAX_ETHPORTS ||
+ (enabled_port_mask & 1 << dst_port[2]) == 0)
+ dst_port[2] = portid;
+ if (dst_port[3] >= RTE_MAX_ETHPORTS ||
+ (enabled_port_mask & 1 << dst_port[3]) == 0)
+ dst_port[3] = portid;
+ if (dst_port[4] >= RTE_MAX_ETHPORTS ||
+ (enabled_port_mask & 1 << dst_port[4]) == 0)
+ dst_port[4] = portid;
+ if (dst_port[5] >= RTE_MAX_ETHPORTS ||
+ (enabled_port_mask & 1 << dst_port[5]) == 0)
+ dst_port[5] = portid;
+ if (dst_port[6] >= RTE_MAX_ETHPORTS ||
+ (enabled_port_mask & 1 << dst_port[6]) == 0)
+ dst_port[6] = portid;
+ if (dst_port[7] >= RTE_MAX_ETHPORTS ||
+ (enabled_port_mask & 1 << dst_port[7]) == 0)
+ dst_port[7] = portid;
+
+ /* dst addr */
+ *(uint64_t *)ð_hdr[0]->d_addr = dest_eth_addr[dst_port[0]];
+ *(uint64_t *)ð_hdr[1]->d_addr = dest_eth_addr[dst_port[1]];
+ *(uint64_t *)ð_hdr[2]->d_addr = dest_eth_addr[dst_port[2]];
+ *(uint64_t *)ð_hdr[3]->d_addr = dest_eth_addr[dst_port[3]];
+ *(uint64_t *)ð_hdr[4]->d_addr = dest_eth_addr[dst_port[4]];
+ *(uint64_t *)ð_hdr[5]->d_addr = dest_eth_addr[dst_port[5]];
+ *(uint64_t *)ð_hdr[6]->d_addr = dest_eth_addr[dst_port[6]];
+ *(uint64_t *)ð_hdr[7]->d_addr = dest_eth_addr[dst_port[7]];
+
+ /* src addr */
+ ether_addr_copy(&ports_eth_addr[dst_port[0]], ð_hdr[0]->s_addr);
+ ether_addr_copy(&ports_eth_addr[dst_port[1]], ð_hdr[1]->s_addr);
+ ether_addr_copy(&ports_eth_addr[dst_port[2]], ð_hdr[2]->s_addr);
+ ether_addr_copy(&ports_eth_addr[dst_port[3]], ð_hdr[3]->s_addr);
+ ether_addr_copy(&ports_eth_addr[dst_port[4]], ð_hdr[4]->s_addr);
+ ether_addr_copy(&ports_eth_addr[dst_port[5]], ð_hdr[5]->s_addr);
+ ether_addr_copy(&ports_eth_addr[dst_port[6]], ð_hdr[6]->s_addr);
+ ether_addr_copy(&ports_eth_addr[dst_port[7]], ð_hdr[7]->s_addr);
+
+ send_single_packet(m[0], (uint8_t)dst_port[0]);
+ send_single_packet(m[1], (uint8_t)dst_port[1]);
+ send_single_packet(m[2], (uint8_t)dst_port[2]);
+ send_single_packet(m[3], (uint8_t)dst_port[3]);
+ send_single_packet(m[4], (uint8_t)dst_port[4]);
+ send_single_packet(m[5], (uint8_t)dst_port[5]);
+ send_single_packet(m[6], (uint8_t)dst_port[6]);
+ send_single_packet(m[7], (uint8_t)dst_port[7]);
+
+}
+#endif /* APP_LOOKUP_METHOD */
+
+static inline __attribute__((always_inline)) void
+l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid)
+{
+ struct ether_hdr *eth_hdr;
+ struct ipv4_hdr *ipv4_hdr;
+ uint8_t dst_port;
+
+ eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
+
+ if (RTE_ETH_IS_IPV4_HDR(m->packet_type)) {
+ /* Handle IPv4 headers.*/
+ ipv4_hdr = rte_pktmbuf_mtod_offset(m, struct ipv4_hdr *,
+ sizeof(struct ether_hdr));
+
+#ifdef DO_RFC_1812_CHECKS
+ /* Check to make sure the packet is valid (RFC1812) */
+ if (is_valid_ipv4_pkt(ipv4_hdr, m->pkt_len) < 0) {
+ rte_pktmbuf_free(m);
+ return;
+ }
+#endif
+
+ dst_port = get_ipv4_dst_port(ipv4_hdr, portid,
+ RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct);
+ if (dst_port >= RTE_MAX_ETHPORTS ||
+ (enabled_port_mask & 1 << dst_port) == 0)
+ dst_port = portid;
+
+#ifdef DO_RFC_1812_CHECKS
+ /* Update time to live and header checksum */
+ --(ipv4_hdr->time_to_live);
+ ++(ipv4_hdr->hdr_checksum);
+#endif
+ /* dst addr */
+ *(uint64_t *)ð_hdr->d_addr = dest_eth_addr[dst_port];
+
+ /* src addr */
+ ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
+
+ send_single_packet(m, dst_port);
+ } else if (RTE_ETH_IS_IPV6_HDR(m->packet_type)) {
+ /* Handle IPv6 headers.*/
+ struct ipv6_hdr *ipv6_hdr;
+
+ ipv6_hdr = rte_pktmbuf_mtod_offset(m, struct ipv6_hdr *,
+ sizeof(struct ether_hdr));
+
+ dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
+ RTE_PER_LCORE(lcore_conf)->ipv6_lookup_struct);
+
+ if (dst_port >= RTE_MAX_ETHPORTS ||
+ (enabled_port_mask & 1 << dst_port) == 0)
+ dst_port = portid;
+
+ /* dst addr */
+ *(uint64_t *)ð_hdr->d_addr = dest_eth_addr[dst_port];
+
+ /* src addr */
+ ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
+
+ send_single_packet(m, dst_port);
+ } else
+ /* Free the mbuf that contains non-IPV4/IPV6 packet */
+ rte_pktmbuf_free(m);
+}
+
+#if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \
+ (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
+#ifdef DO_RFC_1812_CHECKS
+
+#define IPV4_MIN_VER_IHL 0x45
+#define IPV4_MAX_VER_IHL 0x4f
+#define IPV4_MAX_VER_IHL_DIFF (IPV4_MAX_VER_IHL - IPV4_MIN_VER_IHL)
+
+/* Minimum value of IPV4 total length (20B) in network byte order. */
+#define IPV4_MIN_LEN_BE (sizeof(struct ipv4_hdr) << 8)
+
+/*
+ * From http://www.rfc-editor.org/rfc/rfc1812.txt section 5.2.2:
+ * - The IP version number must be 4.
+ * - The IP header length field must be large enough to hold the
+ * minimum length legal IP datagram (20 bytes = 5 words).
+ * - 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 we encounter invalid IPV4 packet, then set destination port for it
+ * to BAD_PORT value.
+ */
+static inline __attribute__((always_inline)) void
+rfc1812_process(struct ipv4_hdr *ipv4_hdr, uint16_t *dp, uint32_t ptype)
+{
+ uint8_t ihl;
+
+ if (RTE_ETH_IS_IPV4_HDR(ptype)) {
+ ihl = ipv4_hdr->version_ihl - IPV4_MIN_VER_IHL;
+
+ ipv4_hdr->time_to_live--;
+ ipv4_hdr->hdr_checksum++;
+
+ if (ihl > IPV4_MAX_VER_IHL_DIFF ||
+ ((uint8_t)ipv4_hdr->total_length == 0 &&
+ ipv4_hdr->total_length < IPV4_MIN_LEN_BE)) {
+ dp[0] = BAD_PORT;
+ }
+ }
+}
+
+#else
+#define rfc1812_process(mb, dp) do { } while (0)
+#endif /* DO_RFC_1812_CHECKS */
+#endif /* APP_LOOKUP_LPM && ENABLE_MULTI_BUFFER_OPTIMIZE */
+
+
+#if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \
+ (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
+
+static inline __attribute__((always_inline)) uint16_t
+get_dst_port(struct rte_mbuf *pkt, uint32_t dst_ipv4, uint8_t portid)
+{
+ uint8_t next_hop;
+ struct ipv6_hdr *ipv6_hdr;
+ struct ether_hdr *eth_hdr;
+
+ if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) {
+ if (rte_lpm_lookup(RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct,
+ dst_ipv4, &next_hop) != 0)
+ next_hop = portid;
+ } else if (RTE_ETH_IS_IPV6_HDR(pkt->packet_type)) {
+ eth_hdr = rte_pktmbuf_mtod(pkt, struct ether_hdr *);
+ ipv6_hdr = (struct ipv6_hdr *)(eth_hdr + 1);
+ if (rte_lpm6_lookup(RTE_PER_LCORE(lcore_conf)->ipv6_lookup_struct,
+ ipv6_hdr->dst_addr, &next_hop) != 0)
+ next_hop = portid;
+ } else {
+ next_hop = portid;
+ }
+
+ return next_hop;
+}
+
+static inline void
+process_packet(struct rte_mbuf *pkt, uint16_t *dst_port, uint8_t portid)
+{
+ struct ether_hdr *eth_hdr;
+ struct ipv4_hdr *ipv4_hdr;
+ uint32_t dst_ipv4;
+ uint16_t dp;
+ __m128i te, ve;
+
+ eth_hdr = rte_pktmbuf_mtod(pkt, struct ether_hdr *);
+ ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
+
+ dst_ipv4 = ipv4_hdr->dst_addr;
+ dst_ipv4 = rte_be_to_cpu_32(dst_ipv4);
+ dp = get_dst_port(pkt, dst_ipv4, portid);
+
+ te = _mm_load_si128((__m128i *)eth_hdr);
+ ve = val_eth[dp];
+
+ dst_port[0] = dp;
+ rfc1812_process(ipv4_hdr, dst_port, pkt->packet_type);
+
+ te = _mm_blend_epi16(te, ve, MASK_ETH);
+ _mm_store_si128((__m128i *)eth_hdr, te);
+}
+
+/*
+ * Read packet_type and destination IPV4 addresses from 4 mbufs.
+ */
+static inline void
+processx4_step1(struct rte_mbuf *pkt[FWDSTEP],
+ __m128i *dip,
+ uint32_t *ipv4_flag)
+{
+ struct ipv4_hdr *ipv4_hdr;
+ struct ether_hdr *eth_hdr;
+ uint32_t x0, x1, x2, x3;
+
+ eth_hdr = rte_pktmbuf_mtod(pkt[0], struct ether_hdr *);
+ ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
+ x0 = ipv4_hdr->dst_addr;
+ ipv4_flag[0] = pkt[0]->packet_type & RTE_PTYPE_L3_IPV4;
+
+ eth_hdr = rte_pktmbuf_mtod(pkt[1], struct ether_hdr *);
+ ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
+ x1 = ipv4_hdr->dst_addr;
+ ipv4_flag[0] &= pkt[1]->packet_type;
+
+ eth_hdr = rte_pktmbuf_mtod(pkt[2], struct ether_hdr *);
+ ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
+ x2 = ipv4_hdr->dst_addr;
+ ipv4_flag[0] &= pkt[2]->packet_type;
+
+ eth_hdr = rte_pktmbuf_mtod(pkt[3], struct ether_hdr *);
+ ipv4_hdr = (struct ipv4_hdr *)(eth_hdr + 1);
+ x3 = ipv4_hdr->dst_addr;
+ ipv4_flag[0] &= pkt[3]->packet_type;
+
+ dip[0] = _mm_set_epi32(x3, x2, x1, x0);
+}
+
+/*
+ * Lookup into LPM for destination port.
+ * If lookup fails, use incoming port (portid) as destination port.
+ */
+static inline void
+processx4_step2(__m128i dip,
+ uint32_t ipv4_flag,
+ uint8_t portid,
+ struct rte_mbuf *pkt[FWDSTEP],
+ uint16_t dprt[FWDSTEP])
+{
+ rte_xmm_t dst;
+ const __m128i bswap_mask = _mm_set_epi8(12, 13, 14, 15, 8, 9, 10, 11,
+ 4, 5, 6, 7, 0, 1, 2, 3);
+
+ /* Byte swap 4 IPV4 addresses. */
+ dip = _mm_shuffle_epi8(dip, bswap_mask);
+
+ /* if all 4 packets are IPV4. */
+ if (likely(ipv4_flag)) {
+ rte_lpm_lookupx4(RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct, dip,
+ dprt, portid);
+ } else {
+ dst.x = dip;
+ dprt[0] = get_dst_port(pkt[0], dst.u32[0], portid);
+ dprt[1] = get_dst_port(pkt[1], dst.u32[1], portid);
+ dprt[2] = get_dst_port(pkt[2], dst.u32[2], portid);
+ dprt[3] = get_dst_port(pkt[3], dst.u32[3], portid);
+ }
+}
+
+/*
+ * Update source and destination MAC addresses in the ethernet header.
+ * Perform RFC1812 checks and updates for IPV4 packets.
+ */
+static inline void
+processx4_step3(struct rte_mbuf *pkt[FWDSTEP], uint16_t dst_port[FWDSTEP])
+{
+ __m128i te[FWDSTEP];
+ __m128i ve[FWDSTEP];
+ __m128i *p[FWDSTEP];
+
+ p[0] = rte_pktmbuf_mtod(pkt[0], __m128i *);
+ p[1] = rte_pktmbuf_mtod(pkt[1], __m128i *);
+ p[2] = rte_pktmbuf_mtod(pkt[2], __m128i *);
+ p[3] = rte_pktmbuf_mtod(pkt[3], __m128i *);
+
+ ve[0] = val_eth[dst_port[0]];
+ te[0] = _mm_load_si128(p[0]);
+
+ ve[1] = val_eth[dst_port[1]];
+ te[1] = _mm_load_si128(p[1]);
+
+ ve[2] = val_eth[dst_port[2]];
+ te[2] = _mm_load_si128(p[2]);
+
+ ve[3] = val_eth[dst_port[3]];
+ te[3] = _mm_load_si128(p[3]);
+
+ /* Update first 12 bytes, keep rest bytes intact. */
+ te[0] = _mm_blend_epi16(te[0], ve[0], MASK_ETH);
+ te[1] = _mm_blend_epi16(te[1], ve[1], MASK_ETH);
+ te[2] = _mm_blend_epi16(te[2], ve[2], MASK_ETH);
+ te[3] = _mm_blend_epi16(te[3], ve[3], MASK_ETH);
+
+ _mm_store_si128(p[0], te[0]);
+ _mm_store_si128(p[1], te[1]);
+ _mm_store_si128(p[2], te[2]);
+ _mm_store_si128(p[3], te[3]);
+
+ rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[0] + 1),
+ &dst_port[0], pkt[0]->packet_type);
+ rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[1] + 1),
+ &dst_port[1], pkt[1]->packet_type);
+ rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[2] + 1),
+ &dst_port[2], pkt[2]->packet_type);
+ rfc1812_process((struct ipv4_hdr *)((struct ether_hdr *)p[3] + 1),
+ &dst_port[3], pkt[3]->packet_type);
+}
+
+/*
+ * We group consecutive packets with the same destionation port into one burst.
+ * To avoid extra latency this is done together with some other packet
+ * processing, but after we made a final decision about packet's destination.
+ * To do this we maintain:
+ * pnum - array of number of consecutive packets with the same dest port for
+ * each packet in the input burst.
+ * lp - pointer to the last updated element in the pnum.
+ * dlp - dest port value lp corresponds to.
+ */
+
+#define GRPSZ (1 << FWDSTEP)
+#define GRPMSK (GRPSZ - 1)
+
+#define GROUP_PORT_STEP(dlp, dcp, lp, pn, idx) do { \
+ if (likely((dlp) == (dcp)[(idx)])) { \
+ (lp)[0]++; \
+ } else { \
+ (dlp) = (dcp)[idx]; \
+ (lp) = (pn) + (idx); \
+ (lp)[0] = 1; \
+ } \
+} while (0)
+
+/*
+ * Group consecutive packets with the same destination port in bursts of 4.
+ * Suppose we have array of destionation ports:
+ * dst_port[] = {a, b, c, d,, e, ... }
+ * dp1 should contain: <a, b, c, d>, dp2: <b, c, d, e>.
+ * We doing 4 comparisions at once and the result is 4 bit mask.
+ * This mask is used as an index into prebuild array of pnum values.
+ */
+static inline uint16_t *
+port_groupx4(uint16_t pn[FWDSTEP + 1], uint16_t *lp, __m128i dp1, __m128i dp2)
+{
+ static const struct {
+ uint64_t pnum; /* prebuild 4 values for pnum[]. */
+ int32_t idx; /* index for new last updated elemnet. */
+ uint16_t lpv; /* add value to the last updated element. */
+ } gptbl[GRPSZ] = {
+ {
+ /* 0: a != b, b != c, c != d, d != e */
+ .pnum = UINT64_C(0x0001000100010001),
+ .idx = 4,
+ .lpv = 0,
+ },
+ {
+ /* 1: a == b, b != c, c != d, d != e */
+ .pnum = UINT64_C(0x0001000100010002),
+ .idx = 4,
+ .lpv = 1,
+ },
+ {
+ /* 2: a != b, b == c, c != d, d != e */
+ .pnum = UINT64_C(0x0001000100020001),
+ .idx = 4,
+ .lpv = 0,
+ },
+ {
+ /* 3: a == b, b == c, c != d, d != e */
+ .pnum = UINT64_C(0x0001000100020003),
+ .idx = 4,
+ .lpv = 2,
+ },
+ {
+ /* 4: a != b, b != c, c == d, d != e */
+ .pnum = UINT64_C(0x0001000200010001),
+ .idx = 4,
+ .lpv = 0,
+ },
+ {
+ /* 5: a == b, b != c, c == d, d != e */
+ .pnum = UINT64_C(0x0001000200010002),
+ .idx = 4,
+ .lpv = 1,
+ },
+ {
+ /* 6: a != b, b == c, c == d, d != e */
+ .pnum = UINT64_C(0x0001000200030001),
+ .idx = 4,
+ .lpv = 0,
+ },
+ {
+ /* 7: a == b, b == c, c == d, d != e */
+ .pnum = UINT64_C(0x0001000200030004),
+ .idx = 4,
+ .lpv = 3,
+ },
+ {
+ /* 8: a != b, b != c, c != d, d == e */
+ .pnum = UINT64_C(0x0002000100010001),
+ .idx = 3,
+ .lpv = 0,
+ },
+ {
+ /* 9: a == b, b != c, c != d, d == e */
+ .pnum = UINT64_C(0x0002000100010002),
+ .idx = 3,
+ .lpv = 1,
+ },
+ {
+ /* 0xa: a != b, b == c, c != d, d == e */
+ .pnum = UINT64_C(0x0002000100020001),
+ .idx = 3,
+ .lpv = 0,
+ },
+ {
+ /* 0xb: a == b, b == c, c != d, d == e */
+ .pnum = UINT64_C(0x0002000100020003),
+ .idx = 3,
+ .lpv = 2,
+ },
+ {
+ /* 0xc: a != b, b != c, c == d, d == e */
+ .pnum = UINT64_C(0x0002000300010001),
+ .idx = 2,
+ .lpv = 0,
+ },
+ {
+ /* 0xd: a == b, b != c, c == d, d == e */
+ .pnum = UINT64_C(0x0002000300010002),
+ .idx = 2,
+ .lpv = 1,
+ },
+ {
+ /* 0xe: a != b, b == c, c == d, d == e */
+ .pnum = UINT64_C(0x0002000300040001),
+ .idx = 1,
+ .lpv = 0,
+ },
+ {
+ /* 0xf: a == b, b == c, c == d, d == e */
+ .pnum = UINT64_C(0x0002000300040005),
+ .idx = 0,
+ .lpv = 4,
+ },
+ };
+
+ union {
+ uint16_t u16[FWDSTEP + 1];
+ uint64_t u64;
+ } *pnum = (void *)pn;
+
+ int32_t v;
+
+ dp1 = _mm_cmpeq_epi16(dp1, dp2);
+ dp1 = _mm_unpacklo_epi16(dp1, dp1);
+ v = _mm_movemask_ps((__m128)dp1);
+
+ /* update last port counter. */
+ lp[0] += gptbl[v].lpv;
+
+ /* if dest port value has changed. */
+ if (v != GRPMSK) {
+ lp = pnum->u16 + gptbl[v].idx;
+ lp[0] = 1;
+ pnum->u64 = gptbl[v].pnum;
+ }
+
+ return lp;
+}
+
+#endif /* APP_LOOKUP_METHOD */
+
+static void
+process_burst(struct rte_mbuf *pkts_burst[MAX_PKT_BURST], int nb_rx,
+ uint8_t portid) {
+
+ int j;
+
+#if ((APP_LOOKUP_METHOD == APP_LOOKUP_LPM) && \
+ (ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
+ int32_t k;
+ uint16_t dlp;
+ uint16_t *lp;
+ uint16_t dst_port[MAX_PKT_BURST];
+ __m128i dip[MAX_PKT_BURST / FWDSTEP];
+ uint32_t ipv4_flag[MAX_PKT_BURST / FWDSTEP];
+ uint16_t pnum[MAX_PKT_BURST + 1];
+#endif
+
+
+#if (ENABLE_MULTI_BUFFER_OPTIMIZE == 1)
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
+ {
+ /*
+ * Send nb_rx - nb_rx%8 packets
+ * in groups of 8.
+ */
+ int32_t n = RTE_ALIGN_FLOOR(nb_rx, 8);
+
+ for (j = 0; j < n; j += 8) {
+ uint32_t pkt_type =
+ pkts_burst[j]->packet_type &
+ pkts_burst[j+1]->packet_type &
+ pkts_burst[j+2]->packet_type &
+ pkts_burst[j+3]->packet_type &
+ pkts_burst[j+4]->packet_type &
+ pkts_burst[j+5]->packet_type &
+ pkts_burst[j+6]->packet_type &
+ pkts_burst[j+7]->packet_type;
+ if (pkt_type & RTE_PTYPE_L3_IPV4) {
+ simple_ipv4_fwd_8pkts(&pkts_burst[j], portid);
+ } else if (pkt_type &
+ RTE_PTYPE_L3_IPV6) {
+ simple_ipv6_fwd_8pkts(&pkts_burst[j], portid);
+ } else {
+ l3fwd_simple_forward(pkts_burst[j], portid);
+ l3fwd_simple_forward(pkts_burst[j+1], portid);
+ l3fwd_simple_forward(pkts_burst[j+2], portid);
+ l3fwd_simple_forward(pkts_burst[j+3], portid);
+ l3fwd_simple_forward(pkts_burst[j+4], portid);
+ l3fwd_simple_forward(pkts_burst[j+5], portid);
+ l3fwd_simple_forward(pkts_burst[j+6], portid);
+ l3fwd_simple_forward(pkts_burst[j+7], portid);
+ }
+ }
+ for (; j < nb_rx ; j++)
+ l3fwd_simple_forward(pkts_burst[j], portid);
+ }
+#elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
+
+ k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP);
+ for (j = 0; j != k; j += FWDSTEP)
+ processx4_step1(&pkts_burst[j], &dip[j / FWDSTEP],
+ &ipv4_flag[j / FWDSTEP]);
+
+ k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP);
+ for (j = 0; j != k; j += FWDSTEP)
+ processx4_step2(dip[j / FWDSTEP], ipv4_flag[j / FWDSTEP],
+ portid, &pkts_burst[j], &dst_port[j]);
+
+ /*
+ * Finish packet processing and group consecutive
+ * packets with the same destination port.
+ */
+ k = RTE_ALIGN_FLOOR(nb_rx, FWDSTEP);
+ if (k != 0) {
+ __m128i dp1, dp2;
+
+ lp = pnum;
+ lp[0] = 1;
+
+ processx4_step3(pkts_burst, dst_port);
+
+ /* dp1: <d[0], d[1], d[2], d[3], ... > */
+ dp1 = _mm_loadu_si128((__m128i *)dst_port);
+
+ for (j = FWDSTEP; j != k; j += FWDSTEP) {
+ processx4_step3(&pkts_burst[j], &dst_port[j]);
+
+ /*
+ * dp2:
+ * <d[j-3], d[j-2], d[j-1], d[j], ... >
+ */
+ dp2 = _mm_loadu_si128(
+ (__m128i *)&dst_port[j - FWDSTEP + 1]);
+ lp = port_groupx4(&pnum[j - FWDSTEP], lp, dp1, dp2);
+
+ /*
+ * dp1:
+ * <d[j], d[j+1], d[j+2], d[j+3], ... >
+ */
+ dp1 = _mm_srli_si128(dp2, (FWDSTEP - 1) *
+ sizeof(dst_port[0]));
+ }
+
+ /*
+ * dp2: <d[j-3], d[j-2], d[j-1], d[j-1], ... >
+ */
+ dp2 = _mm_shufflelo_epi16(dp1, 0xf9);
+ lp = port_groupx4(&pnum[j - FWDSTEP], lp, dp1, dp2);
+
+ /*
+ * remove values added by the last repeated
+ * dst port.
+ */
+ lp[0]--;
+ dlp = dst_port[j - 1];
+ } else {
+ /* set dlp and lp to the never used values. */
+ dlp = BAD_PORT - 1;
+ lp = pnum + MAX_PKT_BURST;
+ }
+
+ /* Process up to last 3 packets one by one. */
+ switch (nb_rx % FWDSTEP) {
+ case 3:
+ process_packet(pkts_burst[j], dst_port + j, portid);
+ GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
+ j++;
+ case 2:
+ process_packet(pkts_burst[j], dst_port + j, portid);
+ GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
+ j++;
+ case 1:
+ process_packet(pkts_burst[j], dst_port + j, portid);
+ GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
+ j++;
+ }
+
+ /*
+ * Send packets out, through destination port.
+ * Consecuteve pacekts with the same destination port
+ * are already grouped together.
+ * If destination port for the packet equals BAD_PORT,
+ * then free the packet without sending it out.
+ */
+ for (j = 0; j < nb_rx; j += k) {
+
+ int32_t m;
+ uint16_t pn;
+
+ pn = dst_port[j];
+ k = pnum[j];
+
+ if (likely(pn != BAD_PORT))
+ send_packetsx4(pn, pkts_burst + j, k);
+ else
+ for (m = j; m != j + k; m++)
+ rte_pktmbuf_free(pkts_burst[m]);
+
+ }
+
+#endif /* APP_LOOKUP_METHOD */
+#else /* ENABLE_MULTI_BUFFER_OPTIMIZE == 0 */
+
+ /* Prefetch first packets */
+ for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++)
+ rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[j], void *));
+
+ /* Prefetch and forward already prefetched packets */
+ for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
+ rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
+ j + PREFETCH_OFFSET], void *));
+ l3fwd_simple_forward(pkts_burst[j], portid, qconf);
+ }
+
+ /* Forward remaining prefetched packets */
+ for (; j < nb_rx; j++)
+ l3fwd_simple_forward(pkts_burst[j], portid, qconf);
+
+#endif /* ENABLE_MULTI_BUFFER_OPTIMIZE */
+
+}
+
+#if (APP_CPU_LOAD > 0)
+
+/*
+ * CPU-load stats collector
+ */
+static int
+cpu_load_collector(__rte_unused void *arg) {
+ unsigned i, j, k;
+ uint64_t hits;
+ uint64_t prev_tsc, diff_tsc, cur_tsc;
+ uint64_t total[MAX_CPU] = { 0 };
+ unsigned min_cpu = MAX_CPU;
+ unsigned max_cpu = 0;
+ unsigned cpu_id;
+ int busy_total = 0;
+ int busy_flag = 0;
+
+ unsigned int n_thread_per_cpu[MAX_CPU] = { 0 };
+ struct thread_conf *thread_per_cpu[MAX_CPU][MAX_THREAD];
+
+ struct thread_conf *thread_conf;
+
+ const uint64_t interval_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
+ US_PER_S * CPU_LOAD_TIMEOUT_US;
+
+ prev_tsc = 0;
+ /*
+ * Wait for all threads
+ */
+
+ printf("Waiting for %d rx threads and %d tx threads\n", n_rx_thread,
+ n_tx_thread);
+
+ while (rte_atomic16_read(&rx_counter) < n_rx_thread)
+ rte_pause();
+
+ while (rte_atomic16_read(&tx_counter) < n_tx_thread)
+ rte_pause();
+
+ for (i = 0; i < n_rx_thread; i++) {
+
+ thread_conf = &rx_thread[i].conf;
+ cpu_id = thread_conf->cpu_id;
+ thread_per_cpu[cpu_id][n_thread_per_cpu[cpu_id]++] = thread_conf;
+
+ if (cpu_id > max_cpu)
+ max_cpu = cpu_id;
+ if (cpu_id < min_cpu)
+ min_cpu = cpu_id;
+ }
+ for (i = 0; i < n_tx_thread; i++) {
+
+ thread_conf = &tx_thread[i].conf;
+ cpu_id = thread_conf->cpu_id;
+ thread_per_cpu[cpu_id][n_thread_per_cpu[cpu_id]++] = thread_conf;
+
+ if (thread_conf->cpu_id > max_cpu)
+ max_cpu = thread_conf->cpu_id;
+ if (thread_conf->cpu_id < min_cpu)
+ min_cpu = thread_conf->cpu_id;
+ }
+
+ while (1) {
+
+ cpu_load.counter++;
+ for (i = min_cpu; i <= max_cpu; i++) {
+ for (j = 0; j < MAX_CPU_COUNTER; j++) {
+ for (k = 0; k < n_thread_per_cpu[i]; k++)
+ if (thread_per_cpu[i][k]->busy[j]) {
+ busy_flag = 1;
+ break;
+ }
+ if (busy_flag) {
+ cpu_load.hits[j][i]++;
+ busy_total = 1;
+ busy_flag = 0;
+ }
+ }
+
+ if (busy_total) {
+ total[i]++;
+ busy_total = 0;
+ }
+ }
+
+ cur_tsc = rte_rdtsc();
+
+ diff_tsc = cur_tsc - prev_tsc;
+ if (unlikely(diff_tsc > interval_tsc)) {
+
+ printf("\033c");
+
+ printf("Cpu usage for %d rx threads and %d tx threads:\n\n",
+ n_rx_thread, n_tx_thread);
+
+ printf("cpu# proc%% poll%% overhead%%\n\n");
+
+ for (i = min_cpu; i <= max_cpu; i++) {
+ hits = 0;
+ printf("CPU %d:", i);
+ for (j = 0; j < MAX_CPU_COUNTER; j++) {
+ printf("%7" PRIu64 "",
+ cpu_load.hits[j][i] * 100 / cpu_load.counter);
+ hits += cpu_load.hits[j][i];
+ cpu_load.hits[j][i] = 0;
+ }
+ printf("%7" PRIu64 "\n",
+ 100 - total[i] * 100 / cpu_load.counter);
+ total[i] = 0;
+ }
+ cpu_load.counter = 0;
+
+ prev_tsc = cur_tsc;
+ }
+
+ }
+}
+#endif /* APP_CPU_LOAD */
+
+/*
+ * Null processing lthread loop
+ *
+ * This loop is used to start empty scheduler on lcore.
+ */
+static void
+lthread_null(__rte_unused void *args)
+{
+ int lcore_id = rte_lcore_id();
+
+ RTE_LOG(INFO, L3FWD, "Starting scheduler on lcore %d.\n", lcore_id);
+ lthread_exit(NULL);
+}
+
+/* main processing loop */
+static void
+lthread_tx_per_ring(void *dummy)
+{
+ int nb_rx;
+ uint8_t portid;
+ struct rte_ring *ring;
+ struct thread_tx_conf *tx_conf;
+ struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
+ struct lthread_cond *ready;
+
+ tx_conf = (struct thread_tx_conf *)dummy;
+ ring = tx_conf->ring;
+ ready = *tx_conf->ready;
+
+ lthread_set_data((void *)tx_conf);
+
+ /*
+ * Move this lthread to lcore
+ */
+ lthread_set_affinity(tx_conf->conf.lcore_id);
+
+ RTE_LOG(INFO, L3FWD, "entering main tx loop on lcore %u\n", rte_lcore_id());
+
+ nb_rx = 0;
+ rte_atomic16_inc(&tx_counter);
+ while (1) {
+
+ /*
+ * Read packet from ring
+ */
+ SET_CPU_BUSY(tx_conf, CPU_POLL);
+ nb_rx = rte_ring_sc_dequeue_burst(ring, (void **)pkts_burst,
+ MAX_PKT_BURST);
+ SET_CPU_IDLE(tx_conf, CPU_POLL);
+
+ if (nb_rx > 0) {
+ SET_CPU_BUSY(tx_conf, CPU_PROCESS);
+ portid = pkts_burst[0]->port;
+ process_burst(pkts_burst, nb_rx, portid);
+ SET_CPU_IDLE(tx_conf, CPU_PROCESS);
+ lthread_yield();
+ } else
+ lthread_cond_wait(ready, 0);
+
+ }
+}
+
+/*
+ * Main tx-lthreads spawner lthread.
+ *
+ * This lthread is used to spawn one new lthread per ring from producers.
+ *
+ */
+static void
+lthread_tx(void *args)
+{
+ struct lthread *lt;
+
+ unsigned lcore_id;
+ uint8_t portid;
+ struct thread_tx_conf *tx_conf;
+
+ tx_conf = (struct thread_tx_conf *)args;
+ lthread_set_data((void *)tx_conf);
+
+ /*
+ * Move this lthread to the selected lcore
+ */
+ lthread_set_affinity(tx_conf->conf.lcore_id);
+
+ /*
+ * Spawn tx readers (one per input ring)
+ */
+ lthread_create(<, tx_conf->conf.lcore_id, lthread_tx_per_ring,
+ (void *)tx_conf);
+
+ lcore_id = rte_lcore_id();
+
+ RTE_LOG(INFO, L3FWD, "Entering Tx main loop on lcore %u\n", lcore_id);
+
+ tx_conf->conf.cpu_id = sched_getcpu();
+ while (1) {
+
+ lthread_sleep(BURST_TX_DRAIN_US * 1000);
+
+ /*
+ * TX burst queue drain
+ */
+ for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
+ if (tx_conf->tx_mbufs[portid].len == 0)
+ continue;
+ SET_CPU_BUSY(tx_conf, CPU_PROCESS);
+ send_burst(tx_conf, tx_conf->tx_mbufs[portid].len, portid);
+ SET_CPU_IDLE(tx_conf, CPU_PROCESS);
+ tx_conf->tx_mbufs[portid].len = 0;
+ }
+
+ }
+}
+
+static void
+lthread_rx(void *dummy)
+{
+ int ret;
+ uint16_t nb_rx;
+ int i;
+ uint8_t portid, queueid;
+ int worker_id;
+ int len[RTE_MAX_LCORE] = { 0 };
+ int old_len, new_len;
+ struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
+ struct thread_rx_conf *rx_conf;
+
+ rx_conf = (struct thread_rx_conf *)dummy;
+ lthread_set_data((void *)rx_conf);
+
+ /*
+ * Move this lthread to lcore
+ */
+ lthread_set_affinity(rx_conf->conf.lcore_id);
+
+ if (rx_conf->n_rx_queue == 0) {
+ RTE_LOG(INFO, L3FWD, "lcore %u has nothing to do\n", rte_lcore_id());
+ return;
+ }
+
+ RTE_LOG(INFO, L3FWD, "Entering main Rx loop on lcore %u\n", rte_lcore_id());
+
+ for (i = 0; i < rx_conf->n_rx_queue; i++) {
+
+ portid = rx_conf->rx_queue_list[i].port_id;
+ queueid = rx_conf->rx_queue_list[i].queue_id;
+ RTE_LOG(INFO, L3FWD, " -- lcoreid=%u portid=%hhu rxqueueid=%hhu\n",
+ rte_lcore_id(), portid, queueid);
+ }
+
+ /*
+ * Init all condition variables (one per rx thread)
+ */
+ for (i = 0; i < rx_conf->n_rx_queue; i++)
+ lthread_cond_init(NULL, &rx_conf->ready[i], NULL);
+
+ worker_id = 0;
+
+ rx_conf->conf.cpu_id = sched_getcpu();
+ rte_atomic16_inc(&rx_counter);
+ while (1) {
+
+ /*
+ * Read packet from RX queues
+ */
+ for (i = 0; i < rx_conf->n_rx_queue; ++i) {
+ portid = rx_conf->rx_queue_list[i].port_id;
+ queueid = rx_conf->rx_queue_list[i].queue_id;
+
+ SET_CPU_BUSY(rx_conf, CPU_POLL);
+ nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
+ MAX_PKT_BURST);
+ SET_CPU_IDLE(rx_conf, CPU_POLL);
+
+ if (nb_rx != 0) {
+ worker_id = (worker_id + 1) % rx_conf->n_ring;
+ old_len = len[worker_id];
+
+ SET_CPU_BUSY(rx_conf, CPU_PROCESS);
+ ret = rte_ring_sp_enqueue_burst(
+ rx_conf->ring[worker_id],
+ (void **) pkts_burst,
+ nb_rx);
+
+ new_len = old_len + ret;
+
+ if (new_len >= BURST_SIZE) {
+ lthread_cond_signal(rx_conf->ready[worker_id]);
+ new_len = 0;
+ }
+
+ len[worker_id] = new_len;
+
+ if (unlikely(ret < nb_rx)) {
+ uint32_t k;
+
+ for (k = ret; k < nb_rx; k++) {
+ struct rte_mbuf *m = pkts_burst[k];
+
+ rte_pktmbuf_free(m);
+ }
+ }
+ SET_CPU_IDLE(rx_conf, CPU_PROCESS);
+ }
+
+ lthread_yield();
+ }
+ }
+}
+
+/*
+ * Start scheduler with initial lthread on lcore
+ *
+ * This lthread loop spawns all rx and tx lthreads on master lcore
+ */
+
+static void
+lthread_spawner(__rte_unused void *arg) {
+ struct lthread *lt[MAX_THREAD];
+ int i;
+ int n_thread = 0;
+
+ printf("Entering lthread_spawner\n");
+
+ /*
+ * Create producers (rx threads) on default lcore
+ */
+ for (i = 0; i < n_rx_thread; i++) {
+ rx_thread[i].conf.thread_id = i;
+ lthread_create(<[n_thread], -1, lthread_rx,
+ (void *)&rx_thread[i]);
+ n_thread++;
+ }
+
+ /*
+ * Wait for all producers. Until some producers can be started on the same
+ * scheduler as this lthread, yielding is required to let them to run and
+ * prevent deadlock here.
+ */
+ while (rte_atomic16_read(&rx_counter) < n_rx_thread)
+ lthread_sleep(100000);
+
+ /*
+ * Create consumers (tx threads) on default lcore_id
+ */
+ for (i = 0; i < n_tx_thread; i++) {
+ tx_thread[i].conf.thread_id = i;
+ lthread_create(<[n_thread], -1, lthread_tx,
+ (void *)&tx_thread[i]);
+ n_thread++;
+ }
+
+ /*
+ * Wait for all threads finished
+ */
+ for (i = 0; i < n_thread; i++)
+ lthread_join(lt[i], NULL);
+
+}
+
+/*
+ * Start master scheduler with initial lthread spawning rx and tx lthreads
+ * (main_lthread_master).
+ */
+static int
+lthread_master_spawner(__rte_unused void *arg) {
+ struct lthread *lt;
+ int lcore_id = rte_lcore_id();
+
+ RTE_PER_LCORE(lcore_conf) = &lcore_conf[lcore_id];
+ lthread_create(<, -1, lthread_spawner, NULL);
+ lthread_run();
+
+ return 0;
+}
+
+/*
+ * Start scheduler on lcore.
+ */
+static int
+sched_spawner(__rte_unused void *arg) {
+ struct lthread *lt;
+ int lcore_id = rte_lcore_id();
+
+#if (APP_CPU_LOAD)
+ if (lcore_id == cpu_load_lcore_id) {
+ cpu_load_collector(arg);
+ return 0;
+ }
+#endif /* APP_CPU_LOAD */
+
+ RTE_PER_LCORE(lcore_conf) = &lcore_conf[lcore_id];
+ lthread_create(<, -1, lthread_null, NULL);
+ lthread_run();
+
+ return 0;
+}
+
+/* main processing loop */
+static int
+pthread_tx(void *dummy)
+{
+ struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
+ uint64_t prev_tsc, diff_tsc, cur_tsc;
+ int nb_rx;
+ uint8_t portid;
+ struct thread_tx_conf *tx_conf;
+
+ const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) /
+ US_PER_S * BURST_TX_DRAIN_US;
+
+ prev_tsc = 0;
+
+ tx_conf = (struct thread_tx_conf *)dummy;
+
+ RTE_LOG(INFO, L3FWD, "Entering main Tx loop on lcore %u\n", rte_lcore_id());
+
+ tx_conf->conf.cpu_id = sched_getcpu();
+ rte_atomic16_inc(&tx_counter);
+ while (1) {
+
+ cur_tsc = rte_rdtsc();
+
+ /*
+ * TX burst queue drain
+ */
+ diff_tsc = cur_tsc - prev_tsc;
+ if (unlikely(diff_tsc > drain_tsc)) {
+
+ /*
+ * This could be optimized (use queueid instead of
+ * portid), but it is not called so often
+ */
+ SET_CPU_BUSY(tx_conf, CPU_PROCESS);
+ for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
+ if (tx_conf->tx_mbufs[portid].len == 0)
+ continue;
+ send_burst(tx_conf, tx_conf->tx_mbufs[portid].len, portid);
+ tx_conf->tx_mbufs[portid].len = 0;
+ }
+ SET_CPU_IDLE(tx_conf, CPU_PROCESS);
+
+ prev_tsc = cur_tsc;
+ }
+
+ /*
+ * Read packet from ring
+ */
+ SET_CPU_BUSY(tx_conf, CPU_POLL);
+ nb_rx = rte_ring_sc_dequeue_burst(tx_conf->ring,
+ (void **)pkts_burst, MAX_PKT_BURST);
+ SET_CPU_IDLE(tx_conf, CPU_POLL);
+
+ if (unlikely(nb_rx == 0)) {
+ sched_yield();
+ continue;
+ }
+
+ SET_CPU_BUSY(tx_conf, CPU_PROCESS);
+ portid = pkts_burst[0]->port;
+ process_burst(pkts_burst, nb_rx, portid);
+ SET_CPU_IDLE(tx_conf, CPU_PROCESS);
+
+ }
+}
+
+static int
+pthread_rx(void *dummy)
+{
+ int i;
+ int worker_id;
+ uint32_t n;
+ uint32_t nb_rx;
+ unsigned lcore_id;
+ uint8_t portid, queueid;
+ struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
+
+ struct thread_rx_conf *rx_conf;
+
+ lcore_id = rte_lcore_id();
+ rx_conf = (struct thread_rx_conf *)dummy;
+
+ if (rx_conf->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 rx loop on lcore %u\n", lcore_id);
+
+ for (i = 0; i < rx_conf->n_rx_queue; i++) {
+
+ portid = rx_conf->rx_queue_list[i].port_id;
+ queueid = rx_conf->rx_queue_list[i].queue_id;
+ RTE_LOG(INFO, L3FWD, " -- lcoreid=%u portid=%hhu rxqueueid=%hhu\n",
+ lcore_id, portid, queueid);
+ }
+
+ worker_id = 0;
+ rx_conf->conf.cpu_id = sched_getcpu();
+ rte_atomic16_inc(&rx_counter);
+ while (1) {
+
+ /*
+ * Read packet from RX queues
+ */
+ for (i = 0; i < rx_conf->n_rx_queue; ++i) {
+ portid = rx_conf->rx_queue_list[i].port_id;
+ queueid = rx_conf->rx_queue_list[i].queue_id;
+
+ SET_CPU_BUSY(rx_conf, CPU_POLL);
+ nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
+ MAX_PKT_BURST);
+ SET_CPU_IDLE(rx_conf, CPU_POLL);
+
+ if (nb_rx == 0) {
+ sched_yield();
+ continue;
+ }
+
+ SET_CPU_BUSY(rx_conf, CPU_PROCESS);
+ worker_id = (worker_id + 1) % rx_conf->n_ring;
+ n = rte_ring_sp_enqueue_burst(rx_conf->ring[worker_id],
+ (void **)pkts_burst, nb_rx);
+
+ if (unlikely(n != nb_rx)) {
+ uint32_t k;
+
+ for (k = n; k < nb_rx; k++) {
+ struct rte_mbuf *m = pkts_burst[k];
+
+ rte_pktmbuf_free(m);
+ }
+ }
+
+ SET_CPU_IDLE(rx_conf, CPU_PROCESS);
+
+ }
+ }
+}
+
+/*
+ * P-Thread spawner.
+ */
+static int
+pthread_run(__rte_unused void *arg) {
+ int lcore_id = rte_lcore_id();
+ int i;
+
+ for (i = 0; i < n_rx_thread; i++)
+ if (rx_thread[i].conf.lcore_id == lcore_id) {
+ printf("Start rx thread on %d...\n", lcore_id);
+ RTE_PER_LCORE(lcore_conf) = &lcore_conf[lcore_id];
+ RTE_PER_LCORE(lcore_conf)->data = (void *)&rx_thread[i];
+ pthread_rx((void *)&rx_thread[i]);
+ return 0;
+ }
+
+ for (i = 0; i < n_tx_thread; i++)
+ if (tx_thread[i].conf.lcore_id == lcore_id) {
+ printf("Start tx thread on %d...\n", lcore_id);
+ RTE_PER_LCORE(lcore_conf) = &lcore_conf[lcore_id];
+ RTE_PER_LCORE(lcore_conf)->data = (void *)&tx_thread[i];
+ pthread_tx((void *)&tx_thread[i]);
+ return 0;
+ }
+
+#if (APP_CPU_LOAD)
+ if (lcore_id == cpu_load_lcore_id)
+ cpu_load_collector(arg);
+#endif /* APP_CPU_LOAD */
+
+ return 0;
+}
+
+static int
+check_lcore_params(void)
+{
+ uint8_t queue, lcore;
+ uint16_t i;
+ int socketid;
+
+ for (i = 0; i < nb_rx_thread_params; ++i) {
+ queue = rx_thread_params[i].queue_id;
+ if (queue >= MAX_RX_QUEUE_PER_PORT) {
+ printf("invalid queue number: %hhu\n", queue);
+ return -1;
+ }
+ lcore = rx_thread_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_rx_thread_params; ++i) {
+ portid = rx_thread_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_rx_thread_params; ++i)
+ if (rx_thread_params[i].port_id == port &&
+ rx_thread_params[i].queue_id > queue)
+ queue = rx_thread_params[i].queue_id;
+
+ return (uint8_t)(++queue);
+}
+
+static int
+init_rx_rings(void)
+{
+ unsigned socket_io;
+ struct thread_rx_conf *rx_conf;
+ struct thread_tx_conf *tx_conf;
+ unsigned rx_thread_id, tx_thread_id;
+ char name[256];
+ struct rte_ring *ring = NULL;
+
+ for (tx_thread_id = 0; tx_thread_id < n_tx_thread; tx_thread_id++) {
+
+ tx_conf = &tx_thread[tx_thread_id];
+
+ printf("Connecting tx-thread %d with rx-thread %d\n", tx_thread_id,
+ tx_conf->conf.thread_id);
+
+ rx_thread_id = tx_conf->conf.thread_id;
+ if (rx_thread_id > n_tx_thread) {
+ printf("connection from tx-thread %u to rx-thread %u fails "
+ "(rx-thread not defined)\n", tx_thread_id, rx_thread_id);
+ return -1;
+ }
+
+ rx_conf = &rx_thread[rx_thread_id];
+ socket_io = rte_lcore_to_socket_id(rx_conf->conf.lcore_id);
+
+ snprintf(name, sizeof(name), "app_ring_s%u_rx%u_tx%u",
+ socket_io, rx_thread_id, tx_thread_id);
+
+ ring = rte_ring_create(name, 1024 * 4, socket_io,
+ RING_F_SP_ENQ | RING_F_SC_DEQ);
+
+ if (ring == NULL) {
+ rte_panic("Cannot create ring to connect rx-thread %u "
+ "with tx-thread %u\n", rx_thread_id, tx_thread_id);
+ }
+
+ rx_conf->ring[rx_conf->n_ring] = ring;
+
+ tx_conf->ring = ring;
+ tx_conf->ready = &rx_conf->ready[rx_conf->n_ring];
+
+ rx_conf->n_ring++;
+ }
+ return 0;
+}
+
+static int
+init_rx_queues(void)
+{
+ uint16_t i, nb_rx_queue;
+ uint8_t thread;
+
+ n_rx_thread = 0;
+
+ for (i = 0; i < nb_rx_thread_params; ++i) {
+ thread = rx_thread_params[i].thread_id;
+ nb_rx_queue = rx_thread[thread].n_rx_queue;
+
+ if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
+ printf("error: too many queues (%u) for thread: %u\n",
+ (unsigned)nb_rx_queue + 1, (unsigned)thread);
+ return -1;
+ }
+
+ rx_thread[thread].conf.thread_id = thread;
+ rx_thread[thread].conf.lcore_id = rx_thread_params[i].lcore_id;
+ rx_thread[thread].rx_queue_list[nb_rx_queue].port_id =
+ rx_thread_params[i].port_id;
+ rx_thread[thread].rx_queue_list[nb_rx_queue].queue_id =
+ rx_thread_params[i].queue_id;
+ rx_thread[thread].n_rx_queue++;
+
+ if (thread >= n_rx_thread)
+ n_rx_thread = thread + 1;
+
+ }
+ return 0;
+}
+
+static int
+init_tx_threads(void)
+{
+ int i;
+
+ n_tx_thread = 0;
+ for (i = 0; i < nb_tx_thread_params; ++i) {
+ tx_thread[n_tx_thread].conf.thread_id = tx_thread_params[i].thread_id;
+ tx_thread[n_tx_thread].conf.lcore_id = tx_thread_params[i].lcore_id;
+ n_tx_thread++;
+ }
+ return 0;
+}
+
+/* display usage */
+static void
+print_usage(const char *prgname)
+{
+ printf("%s [EAL options] -- -p PORTMASK -P"
+ " [--rx (port,queue,lcore,thread)[,(port,queue,lcore,thread]]"
+ " [--tx (lcore,thread)[,(lcore,thread]]"
+ " [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
+ " -p PORTMASK: hexadecimal bitmask of ports to configure\n"
+ " -P : enable promiscuous mode\n"
+ " --rx (port,queue,lcore,thread): rx queues configuration\n"
+ " --tx (lcore,thread): tx threads configuration\n"
+ " --stat-lcore LCORE: use lcore for stat collector\n"
+ " --eth-dest=X,MM:MM:MM:MM:MM:MM: optional, ethernet destination for port X\n"
+ " --no-numa: optional, disable numa awareness\n"
+ " --ipv6: optional, specify it if running ipv6 packets\n"
+ " --enable-jumbo: enable jumbo frame"
+ " which max packet len is PKTLEN in decimal (64-9600)\n"
+ " --hash-entry-num: specify the hash entry number in hexadecimal to be setup\n"
+ " --no-lthreads: turn off lthread model\n",
+ prgname);
+}
+
+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;
+}
+
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
+static int
+parse_hash_entry_number(const char *hash_entry_num)
+{
+ char *end = NULL;
+ unsigned long hash_en;
+
+ /* parse hexadecimal string */
+ hash_en = strtoul(hash_entry_num, &end, 16);
+ if ((hash_entry_num[0] == '\0') || (end == NULL) || (*end != '\0'))
+ return -1;
+
+ if (hash_en == 0)
+ return -1;
+
+ return hash_en;
+}
+#endif
+
+static int
+parse_rx_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,
+ FLD_THREAD,
+ _NUM_FLD
+ };
+ unsigned long int_fld[_NUM_FLD];
+ char *str_fld[_NUM_FLD];
+ int i;
+ unsigned size;
+
+ nb_rx_thread_params = 0;
+
+ while ((p = strchr(p0, '(')) != NULL) {
+ ++p;
+ p0 = strchr(p, ')');
+ if (p0 == 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_rx_thread_params >= MAX_LCORE_PARAMS) {
+ printf("exceeded max number of rx params: %hu\n",
+ nb_rx_thread_params);
+ return -1;
+ }
+ rx_thread_params_array[nb_rx_thread_params].port_id =
+ (uint8_t)int_fld[FLD_PORT];
+ rx_thread_params_array[nb_rx_thread_params].queue_id =
+ (uint8_t)int_fld[FLD_QUEUE];
+ rx_thread_params_array[nb_rx_thread_params].lcore_id =
+ (uint8_t)int_fld[FLD_LCORE];
+ rx_thread_params_array[nb_rx_thread_params].thread_id =
+ (uint8_t)int_fld[FLD_THREAD];
+ ++nb_rx_thread_params;
+ }
+ rx_thread_params = rx_thread_params_array;
+ return 0;
+}
+
+static int
+parse_tx_config(const char *q_arg)
+{
+ char s[256];
+ const char *p, *p0 = q_arg;
+ char *end;
+ enum fieldnames {
+ FLD_LCORE = 0,
+ FLD_THREAD,
+ _NUM_FLD
+ };
+ unsigned long int_fld[_NUM_FLD];
+ char *str_fld[_NUM_FLD];
+ int i;
+ unsigned size;
+
+ nb_tx_thread_params = 0;
+
+ while ((p = strchr(p0, '(')) != NULL) {
+ ++p;
+ p0 = strchr(p, ')');
+ if (p0 == 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_tx_thread_params >= MAX_LCORE_PARAMS) {
+ printf("exceeded max number of tx params: %hu\n",
+ nb_tx_thread_params);
+ return -1;
+ }
+ tx_thread_params_array[nb_tx_thread_params].lcore_id =
+ (uint8_t)int_fld[FLD_LCORE];
+ tx_thread_params_array[nb_tx_thread_params].thread_id =
+ (uint8_t)int_fld[FLD_THREAD];
+ ++nb_tx_thread_params;
+ }
+ tx_thread_params = tx_thread_params_array;
+
+ return 0;
+}
+
+#if (APP_CPU_LOAD > 0)
+static int
+parse_stat_lcore(const char *stat_lcore)
+{
+ char *end = NULL;
+ unsigned long lcore_id;
+
+ lcore_id = strtoul(stat_lcore, &end, 10);
+ if ((stat_lcore[0] == '\0') || (end == NULL) || (*end != '\0'))
+ return -1;
+
+ return lcore_id;
+}
+#endif
+
+static void
+parse_eth_dest(const char *optarg)
+{
+ uint8_t portid;
+ char *port_end;
+ uint8_t c, *dest, peer_addr[6];
+
+ errno = 0;
+ portid = strtoul(optarg, &port_end, 10);
+ if (errno != 0 || port_end == optarg || *port_end++ != ',')
+ rte_exit(EXIT_FAILURE,
+ "Invalid eth-dest: %s", optarg);
+ if (portid >= RTE_MAX_ETHPORTS)
+ rte_exit(EXIT_FAILURE,
+ "eth-dest: port %d >= RTE_MAX_ETHPORTS(%d)\n",
+ portid, RTE_MAX_ETHPORTS);
+
+ if (cmdline_parse_etheraddr(NULL, port_end,
+ &peer_addr, sizeof(peer_addr)) < 0)
+ rte_exit(EXIT_FAILURE,
+ "Invalid ethernet address: %s\n",
+ port_end);
+ dest = (uint8_t *)&dest_eth_addr[portid];
+ for (c = 0; c < 6; c++)
+ dest[c] = peer_addr[c];
+ *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
+}
+
+#define CMD_LINE_OPT_RX_CONFIG "rx"
+#define CMD_LINE_OPT_TX_CONFIG "tx"
+#define CMD_LINE_OPT_STAT_LCORE "stat-lcore"
+#define CMD_LINE_OPT_ETH_DEST "eth-dest"
+#define CMD_LINE_OPT_NO_NUMA "no-numa"
+#define CMD_LINE_OPT_IPV6 "ipv6"
+#define CMD_LINE_OPT_ENABLE_JUMBO "enable-jumbo"
+#define CMD_LINE_OPT_HASH_ENTRY_NUM "hash-entry-num"
+#define CMD_LINE_OPT_NO_LTHREADS "no-lthreads"
+
+/* 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[] = {
+ {CMD_LINE_OPT_RX_CONFIG, 1, 0, 0},
+ {CMD_LINE_OPT_TX_CONFIG, 1, 0, 0},
+ {CMD_LINE_OPT_STAT_LCORE, 1, 0, 0},
+ {CMD_LINE_OPT_ETH_DEST, 1, 0, 0},
+ {CMD_LINE_OPT_NO_NUMA, 0, 0, 0},
+ {CMD_LINE_OPT_IPV6, 0, 0, 0},
+ {CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, 0},
+ {CMD_LINE_OPT_HASH_ENTRY_NUM, 1, 0, 0},
+ {CMD_LINE_OPT_NO_LTHREADS, 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, CMD_LINE_OPT_RX_CONFIG,
+ sizeof(CMD_LINE_OPT_RX_CONFIG))) {
+ ret = parse_rx_config(optarg);
+ if (ret) {
+ printf("invalid rx-config\n");
+ print_usage(prgname);
+ return -1;
+ }
+ }
+
+ if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_TX_CONFIG,
+ sizeof(CMD_LINE_OPT_TX_CONFIG))) {
+ ret = parse_tx_config(optarg);
+ if (ret) {
+ printf("invalid tx-config\n");
+ print_usage(prgname);
+ return -1;
+ }
+ }
+
+#if (APP_CPU_LOAD > 0)
+ if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_STAT_LCORE,
+ sizeof(CMD_LINE_OPT_STAT_LCORE))) {
+ cpu_load_lcore_id = parse_stat_lcore(optarg);
+ }
+#endif
+
+ if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_ETH_DEST,
+ sizeof(CMD_LINE_OPT_ETH_DEST)))
+ parse_eth_dest(optarg);
+
+ if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_NO_NUMA,
+ sizeof(CMD_LINE_OPT_NO_NUMA))) {
+ printf("numa is disabled\n");
+ numa_on = 0;
+ }
+
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
+ if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_IPV6,
+ sizeof(CMD_LINE_OPT_IPV6))) {
+ printf("ipv6 is specified\n");
+ ipv6 = 1;
+ }
+#endif
+
+ if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_NO_LTHREADS,
+ sizeof(CMD_LINE_OPT_NO_LTHREADS))) {
+ printf("l-threads model is disabled\n");
+ lthreads_on = 0;
+ }
+
+ if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_ENABLE_JUMBO,
+ sizeof(CMD_LINE_OPT_ENABLE_JUMBO))) {
+ struct option lenopts = {"max-pkt-len", required_argument, 0,
+ 0};
+
+ printf("jumbo frame is enabled - disabling simple TX path\n");
+ port_conf.rxmode.jumbo_frame = 1;
+
+ /* if no max-pkt-len set, 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 (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
+ if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_HASH_ENTRY_NUM,
+ sizeof(CMD_LINE_OPT_HASH_ENTRY_NUM))) {
+ ret = parse_hash_entry_number(optarg);
+ if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) {
+ hash_entry_number = ret;
+ } else {
+ printf("invalid hash entry number\n");
+ print_usage(prgname);
+ return -1;
+ }
+ }
+#endif
+ 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);
+}
+
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
+
+static void convert_ipv4_5tuple(struct ipv4_5tuple *key1,
+ union ipv4_5tuple_host *key2)
+{
+ key2->ip_dst = rte_cpu_to_be_32(key1->ip_dst);
+ key2->ip_src = rte_cpu_to_be_32(key1->ip_src);
+ key2->port_dst = rte_cpu_to_be_16(key1->port_dst);
+ key2->port_src = rte_cpu_to_be_16(key1->port_src);
+ key2->proto = key1->proto;
+ key2->pad0 = 0;
+ key2->pad1 = 0;
+}
+
+static void convert_ipv6_5tuple(struct ipv6_5tuple *key1,
+ union ipv6_5tuple_host *key2)
+{
+ uint32_t i;
+
+ for (i = 0; i < 16; i++) {
+ key2->ip_dst[i] = key1->ip_dst[i];
+ key2->ip_src[i] = key1->ip_src[i];
+ }
+ key2->port_dst = rte_cpu_to_be_16(key1->port_dst);
+ key2->port_src = rte_cpu_to_be_16(key1->port_src);
+ key2->proto = key1->proto;
+ key2->pad0 = 0;
+ key2->pad1 = 0;
+ key2->reserve = 0;
+}
+
+#define BYTE_VALUE_MAX 256
+#define ALL_32_BITS 0xffffffff
+#define BIT_8_TO_15 0x0000ff00
+static inline void
+populate_ipv4_few_flow_into_table(const struct rte_hash *h)
+{
+ uint32_t i;
+ int32_t ret;
+ uint32_t array_len = RTE_DIM(ipv4_l3fwd_route_array);
+
+ mask0 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_8_TO_15);
+ for (i = 0; i < array_len; i++) {
+ struct ipv4_l3fwd_route entry;
+ union ipv4_5tuple_host newkey;
+
+ entry = ipv4_l3fwd_route_array[i];
+ convert_ipv4_5tuple(&entry.key, &newkey);
+ ret = rte_hash_add_key(h, (void *)&newkey);
+ if (ret < 0) {
+ rte_exit(EXIT_FAILURE, "Unable to add entry %" PRIu32
+ " to the l3fwd hash.\n", i);
+ }
+ ipv4_l3fwd_out_if[ret] = entry.if_out;
+ }
+ printf("Hash: Adding 0x%" PRIx32 " keys\n", array_len);
+}
+
+#define BIT_16_TO_23 0x00ff0000
+static inline void
+populate_ipv6_few_flow_into_table(const struct rte_hash *h)
+{
+ uint32_t i;
+ int32_t ret;
+ uint32_t array_len = RTE_DIM(ipv6_l3fwd_route_array);
+
+ mask1 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_16_TO_23);
+ mask2 = _mm_set_epi32(0, 0, ALL_32_BITS, ALL_32_BITS);
+ for (i = 0; i < array_len; i++) {
+ struct ipv6_l3fwd_route entry;
+ union ipv6_5tuple_host newkey;
+
+ entry = ipv6_l3fwd_route_array[i];
+ convert_ipv6_5tuple(&entry.key, &newkey);
+ ret = rte_hash_add_key(h, (void *)&newkey);
+ if (ret < 0) {
+ rte_exit(EXIT_FAILURE, "Unable to add entry %" PRIu32
+ " to the l3fwd hash.\n", i);
+ }
+ ipv6_l3fwd_out_if[ret] = entry.if_out;
+ }
+ printf("Hash: Adding 0x%" PRIx32 "keys\n", array_len);
+}
+
+#define NUMBER_PORT_USED 4
+static inline void
+populate_ipv4_many_flow_into_table(const struct rte_hash *h,
+ unsigned int nr_flow)
+{
+ unsigned i;
+
+ mask0 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_8_TO_15);
+
+ for (i = 0; i < nr_flow; i++) {
+ struct ipv4_l3fwd_route entry;
+ union ipv4_5tuple_host newkey;
+ uint8_t a = (uint8_t)((i / NUMBER_PORT_USED) % BYTE_VALUE_MAX);
+ uint8_t b = (uint8_t)(((i / NUMBER_PORT_USED) / BYTE_VALUE_MAX) %
+ BYTE_VALUE_MAX);
+ uint8_t c = (uint8_t)((i / NUMBER_PORT_USED) / (BYTE_VALUE_MAX *
+ BYTE_VALUE_MAX));
+ /* Create the ipv4 exact match flow */
+ memset(&entry, 0, sizeof(entry));
+ switch (i & (NUMBER_PORT_USED - 1)) {
+ case 0:
+ entry = ipv4_l3fwd_route_array[0];
+ entry.key.ip_dst = IPv4(101, c, b, a);
+ break;
+ case 1:
+ entry = ipv4_l3fwd_route_array[1];
+ entry.key.ip_dst = IPv4(201, c, b, a);
+ break;
+ case 2:
+ entry = ipv4_l3fwd_route_array[2];
+ entry.key.ip_dst = IPv4(111, c, b, a);
+ break;
+ case 3:
+ entry = ipv4_l3fwd_route_array[3];
+ entry.key.ip_dst = IPv4(211, c, b, a);
+ break;
+ };
+ convert_ipv4_5tuple(&entry.key, &newkey);
+ int32_t ret = rte_hash_add_key(h, (void *)&newkey);
+
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Unable to add entry %u\n", i);
+
+ ipv4_l3fwd_out_if[ret] = (uint8_t)entry.if_out;
+
+ }
+ printf("Hash: Adding 0x%x keys\n", nr_flow);
+}
+
+static inline void
+populate_ipv6_many_flow_into_table(const struct rte_hash *h,
+ unsigned int nr_flow)
+{
+ unsigned i;
+
+ mask1 = _mm_set_epi32(ALL_32_BITS, ALL_32_BITS, ALL_32_BITS, BIT_16_TO_23);
+ mask2 = _mm_set_epi32(0, 0, ALL_32_BITS, ALL_32_BITS);
+ for (i = 0; i < nr_flow; i++) {
+ struct ipv6_l3fwd_route entry;
+ union ipv6_5tuple_host newkey;
+
+ uint8_t a = (uint8_t) ((i / NUMBER_PORT_USED) % BYTE_VALUE_MAX);
+ uint8_t b = (uint8_t) (((i / NUMBER_PORT_USED) / BYTE_VALUE_MAX) %
+ BYTE_VALUE_MAX);
+ uint8_t c = (uint8_t) ((i / NUMBER_PORT_USED) / (BYTE_VALUE_MAX *
+ BYTE_VALUE_MAX));
+
+ /* Create the ipv6 exact match flow */
+ memset(&entry, 0, sizeof(entry));
+ switch (i & (NUMBER_PORT_USED - 1)) {
+ case 0:
+ entry = ipv6_l3fwd_route_array[0];
+ break;
+ case 1:
+ entry = ipv6_l3fwd_route_array[1];
+ break;
+ case 2:
+ entry = ipv6_l3fwd_route_array[2];
+ break;
+ case 3:
+ entry = ipv6_l3fwd_route_array[3];
+ break;
+ };
+ entry.key.ip_dst[13] = c;
+ entry.key.ip_dst[14] = b;
+ entry.key.ip_dst[15] = a;
+ convert_ipv6_5tuple(&entry.key, &newkey);
+ int32_t ret = rte_hash_add_key(h, (void *)&newkey);
+
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "Unable to add entry %u\n", i);
+
+ ipv6_l3fwd_out_if[ret] = (uint8_t) entry.if_out;
+
+ }
+ printf("Hash: Adding 0x%x keys\n", nr_flow);
+}
+
+static void
+setup_hash(int socketid)
+{
+ struct rte_hash_parameters ipv4_l3fwd_hash_params = {
+ .name = NULL,
+ .entries = L3FWD_HASH_ENTRIES,
+ .key_len = sizeof(union ipv4_5tuple_host),
+ .hash_func = ipv4_hash_crc,
+ .hash_func_init_val = 0,
+ };
+
+ struct rte_hash_parameters ipv6_l3fwd_hash_params = {
+ .name = NULL,
+ .entries = L3FWD_HASH_ENTRIES,
+ .key_len = sizeof(union ipv6_5tuple_host),
+ .hash_func = ipv6_hash_crc,
+ .hash_func_init_val = 0,
+ };
+
+ char s[64];
+
+ /* create ipv4 hash */
+ snprintf(s, sizeof(s), "ipv4_l3fwd_hash_%d", socketid);
+ ipv4_l3fwd_hash_params.name = s;
+ ipv4_l3fwd_hash_params.socket_id = socketid;
+ ipv4_l3fwd_lookup_struct[socketid] =
+ rte_hash_create(&ipv4_l3fwd_hash_params);
+ if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
+ rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
+ "socket %d\n", socketid);
+
+ /* create ipv6 hash */
+ snprintf(s, sizeof(s), "ipv6_l3fwd_hash_%d", socketid);
+ ipv6_l3fwd_hash_params.name = s;
+ ipv6_l3fwd_hash_params.socket_id = socketid;
+ ipv6_l3fwd_lookup_struct[socketid] =
+ rte_hash_create(&ipv6_l3fwd_hash_params);
+ if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
+ rte_exit(EXIT_FAILURE, "Unable to create the l3fwd hash on "
+ "socket %d\n", socketid);
+
+ if (hash_entry_number != HASH_ENTRY_NUMBER_DEFAULT) {
+ /* For testing hash matching with a large number of flows we
+ * generate millions of IP 5-tuples with an incremented dst
+ * address to initialize the hash table. */
+ if (ipv6 == 0) {
+ /* populate the ipv4 hash */
+ populate_ipv4_many_flow_into_table(
+ ipv4_l3fwd_lookup_struct[socketid], hash_entry_number);
+ } else {
+ /* populate the ipv6 hash */
+ populate_ipv6_many_flow_into_table(
+ ipv6_l3fwd_lookup_struct[socketid], hash_entry_number);
+ }
+ } else {
+ /* Use data in ipv4/ipv6 l3fwd lookup table directly to initialize
+ * the hash table */
+ if (ipv6 == 0) {
+ /* populate the ipv4 hash */
+ populate_ipv4_few_flow_into_table(
+ ipv4_l3fwd_lookup_struct[socketid]);
+ } else {
+ /* populate the ipv6 hash */
+ populate_ipv6_few_flow_into_table(
+ ipv6_l3fwd_lookup_struct[socketid]);
+ }
+ }
+}
+#endif
+
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
+static void
+setup_lpm(int socketid)
+{
+ struct rte_lpm6_config config;
+ unsigned i;
+ int ret;
+ char s[64];
+
+ /* create the LPM table */
+ snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
+ ipv4_l3fwd_lookup_struct[socketid] = rte_lpm_create(s, socketid,
+ IPV4_L3FWD_LPM_MAX_RULES, 0);
+ if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
+ rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
+ " on socket %d\n", socketid);
+
+ /* populate the LPM table */
+ for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
+
+ /* skip unused ports */
+ if ((1 << ipv4_l3fwd_route_array[i].if_out &
+ enabled_port_mask) == 0)
+ continue;
+
+ ret = rte_lpm_add(ipv4_l3fwd_lookup_struct[socketid],
+ ipv4_l3fwd_route_array[i].ip,
+ ipv4_l3fwd_route_array[i].depth,
+ ipv4_l3fwd_route_array[i].if_out);
+
+ if (ret < 0) {
+ rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
+ "l3fwd LPM table on socket %d\n",
+ i, socketid);
+ }
+
+ printf("LPM: Adding route 0x%08x / %d (%d)\n",
+ (unsigned)ipv4_l3fwd_route_array[i].ip,
+ ipv4_l3fwd_route_array[i].depth,
+ ipv4_l3fwd_route_array[i].if_out);
+ }
+
+ /* create the LPM6 table */
+ snprintf(s, sizeof(s), "IPV6_L3FWD_LPM_%d", socketid);
+
+ config.max_rules = IPV6_L3FWD_LPM_MAX_RULES;
+ config.number_tbl8s = IPV6_L3FWD_LPM_NUMBER_TBL8S;
+ config.flags = 0;
+ ipv6_l3fwd_lookup_struct[socketid] = rte_lpm6_create(s, socketid,
+ &config);
+ if (ipv6_l3fwd_lookup_struct[socketid] == NULL)
+ rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
+ " on socket %d\n", socketid);
+
+ /* populate the LPM table */
+ for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
+
+ /* skip unused ports */
+ if ((1 << ipv6_l3fwd_route_array[i].if_out &
+ enabled_port_mask) == 0)
+ continue;
+
+ ret = rte_lpm6_add(ipv6_l3fwd_lookup_struct[socketid],
+ ipv6_l3fwd_route_array[i].ip,
+ ipv6_l3fwd_route_array[i].depth,
+ ipv6_l3fwd_route_array[i].if_out);
+
+ if (ret < 0) {
+ rte_exit(EXIT_FAILURE, "Unable to add entry %u to the "
+ "l3fwd LPM table on socket %d\n",
+ i, socketid);
+ }
+
+ printf("LPM: Adding route %s / %d (%d)\n",
+ "IPV6",
+ ipv6_l3fwd_route_array[i].depth,
+ ipv6_l3fwd_route_array[i].if_out);
+ }
+}
+#endif
+
+static int
+init_mem(unsigned nb_mbuf)
+{
+ struct lcore_conf *qconf;
+ 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);
+
+#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
+ setup_lpm(socketid);
+#else
+ setup_hash(socketid);
+#endif
+ }
+ qconf = &lcore_conf[lcore_id];
+ qconf->ipv4_lookup_struct = ipv4_l3fwd_lookup_struct[socketid];
+ qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[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 == 0) {
+ 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 rte_eth_dev_info dev_info;
+ struct rte_eth_txconf *txconf;
+ int ret;
+ int i;
+ 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;
+
+ /* pre-init dst MACs for all ports to 02:00:00:00:00:xx */
+ for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
+ dest_eth_addr[portid] = ETHER_LOCAL_ADMIN_ADDR +
+ ((uint64_t)portid << 40);
+ *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid];
+ }
+
+ /* 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");
+
+ printf("Initializing rx-queues...\n");
+ ret = init_rx_queues();
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "init_rx_queues failed\n");
+
+ printf("Initializing tx-threads...\n");
+ ret = init_tx_threads();
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "init_tx_threads failed\n");
+
+ printf("Initializing rings...\n");
+ ret = init_rx_rings();
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "init_rx_rings 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");
+
+ 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(", ");
+ print_ethaddr("Destination:",
+ (const struct ether_addr *)&dest_eth_addr[portid]);
+ printf(", ");
+
+ /*
+ * prepare src MACs for each port.
+ */
+ ether_addr_copy(&ports_eth_addr[portid],
+ (struct ether_addr *)(val_eth + portid) + 1);
+
+ /* init memory */
+ ret = init_mem(NB_MBUF);
+ if (ret < 0)
+ rte_exit(EXIT_FAILURE, "init_mem failed\n");
+
+ /* 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);
+
+ tx_thread[lcore_id].tx_queue_id[portid] = queueid;
+ queueid++;
+ }
+ printf("\n");
+ }
+
+ for (i = 0; i < n_rx_thread; i++) {
+ lcore_id = rx_thread[i].conf.lcore_id;
+
+ if (rte_lcore_is_enabled(lcore_id) == 0) {
+ rte_exit(EXIT_FAILURE,
+ "Cannot start Rx thread on lcore %u: lcore disabled\n",
+ lcore_id
+ );
+ }
+
+ printf("\nInitializing rx queues for Rx thread %d on lcore %u ... ",
+ i, lcore_id);
+ fflush(stdout);
+
+ /* init RX queues */
+ for (queue = 0; queue < rx_thread[i].n_rx_queue; ++queue) {
+ portid = rx_thread[i].rx_queue_list[queue].port_id;
+ queueid = rx_thread[i].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);
+
+ if (lthreads_on) {
+ printf("Starting L-Threading Model\n");
+
+#if (APP_CPU_LOAD > 0)
+ if (cpu_load_lcore_id > 0)
+ /* Use one lcore for cpu load collector */
+ nb_lcores--;
+#endif
+
+ lthread_num_schedulers_set(nb_lcores);
+ rte_eal_mp_remote_launch(sched_spawner, NULL, SKIP_MASTER);
+ lthread_master_spawner(NULL);
+
+ } else {
+ printf("Starting P-Threading Model\n");
+ /* launch per-lcore init on every lcore */
+ rte_eal_mp_remote_launch(pthread_run, NULL, CALL_MASTER);
+ RTE_LCORE_FOREACH_SLAVE(lcore_id) {
+ if (rte_eal_wait_lcore(lcore_id) < 0)
+ return -1;
+ }
+ }
+
+ return 0;
+}
git.droids-corp.org / dpdk.git / commitdiff