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numam-dpdk/examples/performance-thread/l3fwd-thread/main.c
Anatoly Burakov 5d7b673d5f mk: build with _GNU_SOURCE defined by default 
We use _GNU_SOURCE all over the place, but often times we miss
defining it, resulting in broken builds on musl. Rather than
fixing every library's and driver's and application's makefile,
fix it by simply defining _GNU_SOURCE by default for all
builds.

Remove all usages of _GNU_SOURCE in source files and makefiles,
and also fixup a couple of instances of using __USE_GNU instead
of _GNU_SOURCE.

Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
2018-10-22 11:28:27 +02:00

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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2016 Intel Corporation
*/
#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_eal.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_random.h>
#include <rte_debug.h>
#include <rte_ether.h>
#include <rte_ethdev.h>
#include <rte_ring.h>
#include <rte_mempool.h>
#include <rte_mbuf.h>
#include <rte_ip.h>
#include <rte_tcp.h>
#include <rte_udp.h>
#include <rte_string_fns.h>
#include <rte_pause.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
#ifndef __GLIBC__ /* sched_getcpu() is glibc specific */
#define sched_getcpu() rte_lcore_id()
#endif
static int
check_ptype(int portid)
{
int i, ret;
int ipv4 = 0, ipv6 = 0;
ret = rte_eth_dev_get_supported_ptypes(portid, RTE_PTYPE_L3_MASK, NULL,
0);
if (ret <= 0)
return 0;
uint32_t ptypes[ret];
ret = rte_eth_dev_get_supported_ptypes(portid, RTE_PTYPE_L3_MASK,
ptypes, ret);
for (i = 0; i < ret; ++i) {
if (ptypes[i] & RTE_PTYPE_L3_IPV4)
ipv4 = 1;
if (ptypes[i] & RTE_PTYPE_L3_IPV6)
ipv6 = 1;
}
if (ipv4 && ipv6)
return 1;
return 0;
}
static inline void
parse_ptype(struct rte_mbuf *m)
{
struct ether_hdr *eth_hdr;
uint32_t packet_type = RTE_PTYPE_UNKNOWN;
uint16_t ether_type;
eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
ether_type = eth_hdr->ether_type;
if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6))
packet_type |= RTE_PTYPE_L3_IPV6_EXT_UNKNOWN;
m->packet_type = packet_type;
}
static uint16_t
cb_parse_ptype(__rte_unused uint16_t port, __rte_unused uint16_t queue,
struct rte_mbuf *pkts[], uint16_t nb_pkts,
__rte_unused uint16_t max_pkts, __rte_unused void *user_param)
{
unsigned int i;
for (i = 0; i < nb_pkts; i++)
parse_ptype(pkts[i]);
return nb_pkts;
}
/*
* 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.
*/
#define ENABLE_MULTI_BUFFER_OPTIMIZE 1
#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*nb_rxd + \
nb_ports*nb_lcores*MAX_PKT_BURST + \
nb_ports*n_tx_queue*nb_txd + \
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 1024
#define RTE_TEST_TX_DESC_DEFAULT 1024
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 xmm_t 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; /**< Set in promiscuous mode off by default. */
static int numa_on = 1; /**< NUMA is enabled by default. */
static int parse_ptype_on;
#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 {
uint16_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 {
uint16_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,
.offloads = DEV_RX_OFFLOAD_CHECKSUM,
},
.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)
#include <rte_hash_crc.h>
#define DEFAULT_HASH_FUNC rte_hash_crc
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;
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);
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;
const uint32_t *ip_src0, *ip_src1, *ip_src2, *ip_src3;
const uint32_t *ip_dst0, *ip_dst1, *ip_dst2, *ip_dst3;
k = data;
t = k->proto;
p = (const uint32_t *)&k->port_src;
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);
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, uint16_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, uint16_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) && \
(ENABLE_MULTI_BUFFER_OPTIMIZE == 1))
static __rte_always_inline void
send_packetsx4(uint16_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++;
/* fall-through */
case 3:
qconf->tx_mbufs[port].m_table[len + j] = m[j];
j++;
/* fall-through */
case 2:
qconf->tx_mbufs[port].m_table[len + j] = m[j];
j++;
/* fall-through */
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++;
/* fall-through */
case 3:
qconf->tx_mbufs[port].m_table[j] = m[n + j];
j++;
/* fall-through */
case 2:
qconf->tx_mbufs[port].m_table[j] = m[n + j];
j++;
/* fall-through */
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 uint16_t
get_ipv4_dst_port(void *ipv4_hdr, uint16_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 ((ret < 0) ? portid : ipv4_l3fwd_out_if[ret]);
}
static inline uint16_t
get_ipv6_dst_port(void *ipv6_hdr, uint16_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 ((ret < 0) ? portid : ipv6_l3fwd_out_if[ret]);
}
#endif
#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
static inline uint16_t
get_ipv4_dst_port(void *ipv4_hdr, uint16_t portid,
lookup_struct_t *ipv4_l3fwd_lookup_struct)
{
uint32_t next_hop;
return ((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 uint16_t
get_ipv6_dst_port(void *ipv6_hdr, uint16_t portid,
lookup6_struct_t *ipv6_l3fwd_lookup_struct)
{
uint32_t next_hop;
return ((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, uint16_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], uint16_t portid)
{
struct ether_hdr *eth_hdr[8];
struct ipv4_hdr *ipv4_hdr[8];
uint16_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_bulk(RTE_PER_LCORE(lcore_conf)->ipv4_lookup_struct,
&key_array[0], 8, ret);
dst_port[0] = ((ret[0] < 0) ? portid : ipv4_l3fwd_out_if[ret[0]]);
dst_port[1] = ((ret[1] < 0) ? portid : ipv4_l3fwd_out_if[ret[1]]);
dst_port[2] = ((ret[2] < 0) ? portid : ipv4_l3fwd_out_if[ret[2]]);
dst_port[3] = ((ret[3] < 0) ? portid : ipv4_l3fwd_out_if[ret[3]]);
dst_port[4] = ((ret[4] < 0) ? portid : ipv4_l3fwd_out_if[ret[4]]);
dst_port[5] = ((ret[5] < 0) ? portid : ipv4_l3fwd_out_if[ret[5]]);
dst_port[6] = ((ret[6] < 0) ? portid : ipv4_l3fwd_out_if[ret[6]]);
dst_port[7] = ((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 *)&eth_hdr[0]->d_addr = dest_eth_addr[dst_port[0]];
*(uint64_t *)&eth_hdr[1]->d_addr = dest_eth_addr[dst_port[1]];
*(uint64_t *)&eth_hdr[2]->d_addr = dest_eth_addr[dst_port[2]];
*(uint64_t *)&eth_hdr[3]->d_addr = dest_eth_addr[dst_port[3]];
*(uint64_t *)&eth_hdr[4]->d_addr = dest_eth_addr[dst_port[4]];
*(uint64_t *)&eth_hdr[5]->d_addr = dest_eth_addr[dst_port[5]];
*(uint64_t *)&eth_hdr[6]->d_addr = dest_eth_addr[dst_port[6]];
*(uint64_t *)&eth_hdr[7]->d_addr = dest_eth_addr[dst_port[7]];
/* src addr */
ether_addr_copy(&ports_eth_addr[dst_port[0]], &eth_hdr[0]->s_addr);
ether_addr_copy(&ports_eth_addr[dst_port[1]], &eth_hdr[1]->s_addr);
ether_addr_copy(&ports_eth_addr[dst_port[2]], &eth_hdr[2]->s_addr);
ether_addr_copy(&ports_eth_addr[dst_port[3]], &eth_hdr[3]->s_addr);
ether_addr_copy(&ports_eth_addr[dst_port[4]], &eth_hdr[4]->s_addr);
ether_addr_copy(&ports_eth_addr[dst_port[5]], &eth_hdr[5]->s_addr);
ether_addr_copy(&ports_eth_addr[dst_port[6]], &eth_hdr[6]->s_addr);
ether_addr_copy(&ports_eth_addr[dst_port[7]], &eth_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], uint16_t portid)
{
int32_t ret[8];
uint16_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_bulk(RTE_PER_LCORE(lcore_conf)->ipv6_lookup_struct,
&key_array[0], 4, ret);
dst_port[0] = ((ret[0] < 0) ? portid : ipv6_l3fwd_out_if[ret[0]]);
dst_port[1] = ((ret[1] < 0) ? portid : ipv6_l3fwd_out_if[ret[1]]);
dst_port[2] = ((ret[2] < 0) ? portid : ipv6_l3fwd_out_if[ret[2]]);
dst_port[3] = ((ret[3] < 0) ? portid : ipv6_l3fwd_out_if[ret[3]]);
dst_port[4] = ((ret[4] < 0) ? portid : ipv6_l3fwd_out_if[ret[4]]);
dst_port[5] = ((ret[5] < 0) ? portid : ipv6_l3fwd_out_if[ret[5]]);
dst_port[6] = ((ret[6] < 0) ? portid : ipv6_l3fwd_out_if[ret[6]]);
dst_port[7] = ((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 *)&eth_hdr[0]->d_addr = dest_eth_addr[dst_port[0]];
*(uint64_t *)&eth_hdr[1]->d_addr = dest_eth_addr[dst_port[1]];
*(uint64_t *)&eth_hdr[2]->d_addr = dest_eth_addr[dst_port[2]];
*(uint64_t *)&eth_hdr[3]->d_addr = dest_eth_addr[dst_port[3]];
*(uint64_t *)&eth_hdr[4]->d_addr = dest_eth_addr[dst_port[4]];
*(uint64_t *)&eth_hdr[5]->d_addr = dest_eth_addr[dst_port[5]];
*(uint64_t *)&eth_hdr[6]->d_addr = dest_eth_addr[dst_port[6]];
*(uint64_t *)&eth_hdr[7]->d_addr = dest_eth_addr[dst_port[7]];
/* src addr */
ether_addr_copy(&ports_eth_addr[dst_port[0]], &eth_hdr[0]->s_addr);
ether_addr_copy(&ports_eth_addr[dst_port[1]], &eth_hdr[1]->s_addr);
ether_addr_copy(&ports_eth_addr[dst_port[2]], &eth_hdr[2]->s_addr);
ether_addr_copy(&ports_eth_addr[dst_port[3]], &eth_hdr[3]->s_addr);
ether_addr_copy(&ports_eth_addr[dst_port[4]], &eth_hdr[4]->s_addr);
ether_addr_copy(&ports_eth_addr[dst_port[5]], &eth_hdr[5]->s_addr);
ether_addr_copy(&ports_eth_addr[dst_port[6]], &eth_hdr[6]->s_addr);
ether_addr_copy(&ports_eth_addr[dst_port[7]], &eth_hdr[7]->s_addr);
send_single_packet(m[0], dst_port[0]);
send_single_packet(m[1], dst_port[1]);
send_single_packet(m[2], dst_port[2]);
send_single_packet(m[3], dst_port[3]);
send_single_packet(m[4], dst_port[4]);
send_single_packet(m[5], dst_port[5]);
send_single_packet(m[6], dst_port[6]);
send_single_packet(m[7], dst_port[7]);
}
#endif /* APP_LOOKUP_METHOD */
static __rte_always_inline void
l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid)
{
struct ether_hdr *eth_hdr;
struct ipv4_hdr *ipv4_hdr;
uint16_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 *)&eth_hdr->d_addr = dest_eth_addr[dst_port];
/* src addr */
ether_addr_copy(&ports_eth_addr[dst_port], &eth_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 *)&eth_hdr->d_addr = dest_eth_addr[dst_port];
/* src addr */
ether_addr_copy(&ports_eth_addr[dst_port], &eth_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 __rte_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, ptype) 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 __rte_always_inline uint16_t
get_dst_port(struct rte_mbuf *pkt, uint32_t dst_ipv4, uint16_t portid)
{
uint32_t next_hop;
struct ipv6_hdr *ipv6_hdr;
struct ether_hdr *eth_hdr;
if (RTE_ETH_IS_IPV4_HDR(pkt->packet_type)) {
return (uint16_t) ((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);
return (uint16_t) ((rte_lpm6_lookup(
RTE_PER_LCORE(lcore_conf)->ipv6_lookup_struct,
ipv6_hdr->dst_addr, &next_hop) == 0) ?
next_hop : portid);
}
return portid;
}
static inline void
process_packet(struct rte_mbuf *pkt, uint16_t *dst_port, uint16_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,
uint16_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,
dst.u32, portid);
/* get rid of unused upper 16 bit for each dport. */
dst.x = _mm_packs_epi32(dst.x, dst.x);
*(uint64_t *)dprt = dst.u64[0];
} 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 comparisons 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) {
pnum->u64 = gptbl[v].pnum;
pnum->u16[FWDSTEP] = 1;
lp = pnum->u16 + gptbl[v].idx;
}
return lp;
}
#endif /* APP_LOOKUP_METHOD */
static void
process_burst(struct rte_mbuf *pkts_burst[MAX_PKT_BURST], int nb_rx,
uint16_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++;
/* fall-through */
case 2:
process_packet(pkts_burst[j], dst_port + j, portid);
GROUP_PORT_STEP(dlp, dst_port, lp, pnum, j);
j++;
/* fall-through */
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);
}
/* Forward remaining prefetched packets */
for (; j < nb_rx; j++)
l3fwd_simple_forward(pkts_burst[j], portid);
#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);
return NULL;
}
/* main processing loop */
static void *
lthread_tx_per_ring(void *dummy)
{
int nb_rx;
uint16_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, NULL);
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);
}
return NULL;
}
/*
* 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;
uint16_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(&lt, 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;
}
}
return NULL;
}
static void *
lthread_rx(void *dummy)
{
int ret;
uint16_t nb_rx;
int i;
uint16_t portid;
uint8_t 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 NULL;
}
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=%u 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, NULL);
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();
}
}
return NULL;
}
/*
* 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(&lt[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(&lt[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);
return 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(&lt, -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(&lt, -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;
uint16_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, NULL);
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 queueid;
uint16_t portid;
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=%u 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, NULL);
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(void)
{
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 (!rte_eth_dev_is_valid_port(portid)) {
printf("port %u is not present on the board\n", portid);
return -1;
}
}
return 0;
}
static uint8_t
get_port_n_rx_queues(const uint16_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"
" [--parse-ptype]\n\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"
" --parse-ptype: set to use software to analyze packet type\n\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 =
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)
{
uint16_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"
#define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype"
/* 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},
{CMD_LINE_OPT_PARSE_PTYPE, 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_PARSE_PTYPE,
sizeof(CMD_LINE_OPT_PARSE_PTYPE))) {
printf("software packet type parsing enabled\n");
parse_ptype_on = 1;
}
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.offloads |=
DEV_RX_OFFLOAD_JUMBO_FRAME;
port_conf.txmode.offloads |=
DEV_TX_OFFLOAD_MULTI_SEGS;
/* 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 = 1; /* 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;
struct rte_lpm_config lpm_ipv4_config;
unsigned i;
int ret;
char s[64];
/* create the LPM table */
snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
lpm_ipv4_config.max_rules = IPV4_L3FWD_LPM_MAX_RULES;
lpm_ipv4_config.number_tbl8s = 256;
lpm_ipv4_config.flags = 0;
ipv4_l3fwd_lookup_struct[socketid] =
rte_lpm_create(s, socketid, &lpm_ipv4_config);
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(uint32_t port_mask)
{
#define CHECK_INTERVAL 100 /* 100ms */
#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
uint16_t portid;
uint8_t 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;
RTE_ETH_FOREACH_DEV(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",
portid, link.link_speed,
(link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
("full-duplex") : ("half-duplex\n"));
else
printf("Port %d Link Down\n", portid);
continue;
}
/* clear all_ports_up flag if any link down */
if (link.link_status == ETH_LINK_DOWN) {
all_ports_up = 0;
break;
}
}
/* after finally printing all link status, get out */
if (print_flag == 1)
break;
if (all_ports_up == 0) {
printf(".");
fflush(stdout);
rte_delay_ms(CHECK_INTERVAL);
}
/* set the print_flag if all ports up or timeout */
if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
print_flag = 1;
printf("done\n");
}
}
}
int
main(int argc, char **argv)
{
struct rte_eth_dev_info dev_info;
struct rte_eth_txconf *txconf;
int ret;
int i;
unsigned nb_ports;
uint16_t queueid, portid;
unsigned lcore_id;
uint32_t n_tx_queue, nb_lcores;
uint8_t 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_avail();
if (check_port_config() < 0)
rte_exit(EXIT_FAILURE, "check_port_config failed\n");
nb_lcores = rte_lcore_count();
/* initialize all ports */
RTE_ETH_FOREACH_DEV(portid) {
struct rte_eth_conf local_port_conf = port_conf;
/* 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);
rte_eth_dev_info_get(portid, &dev_info);
if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
local_port_conf.txmode.offloads |=
DEV_TX_OFFLOAD_MBUF_FAST_FREE;
local_port_conf.rx_adv_conf.rss_conf.rss_hf &=
dev_info.flow_type_rss_offloads;
if (local_port_conf.rx_adv_conf.rss_conf.rss_hf !=
port_conf.rx_adv_conf.rss_conf.rss_hf) {
printf("Port %u modified RSS hash function based on hardware support,"
"requested:%#"PRIx64" configured:%#"PRIx64"\n",
portid,
port_conf.rx_adv_conf.rss_conf.rss_hf,
local_port_conf.rx_adv_conf.rss_conf.rss_hf);
}
ret = rte_eth_dev_configure(portid, nb_rx_queue,
(uint16_t)n_tx_queue, &local_port_conf);
if (ret < 0)
rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%d\n",
ret, portid);
ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd,
&nb_txd);
if (ret < 0)
rte_exit(EXIT_FAILURE,
"rte_eth_dev_adjust_nb_rx_tx_desc: 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);
txconf = &dev_info.default_txconf;
txconf->offloads = local_port_conf.txmode.offloads;
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) {
struct rte_eth_dev *dev;
struct rte_eth_conf *conf;
struct rte_eth_rxconf rxq_conf;
portid = rx_thread[i].rx_queue_list[queue].port_id;
queueid = rx_thread[i].rx_queue_list[queue].queue_id;
dev = &rte_eth_devices[portid];
conf = &dev->data->dev_conf;
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);
rte_eth_dev_info_get(portid, &dev_info);
rxq_conf = dev_info.default_rxconf;
rxq_conf.offloads = conf->rxmode.offloads;
ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
socketid,
&rxq_conf,
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 */
RTE_ETH_FOREACH_DEV(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);
}
for (i = 0; i < n_rx_thread; i++) {
lcore_id = rx_thread[i].conf.lcore_id;
if (rte_lcore_is_enabled(lcore_id) == 0)
continue;
/* check if hw packet type is supported */
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 (parse_ptype_on) {
if (!rte_eth_add_rx_callback(portid, queueid,
cb_parse_ptype, NULL))
rte_exit(EXIT_FAILURE,
"Failed to add rx callback: "
"port=%d\n", portid);
} else if (!check_ptype(portid))
rte_exit(EXIT_FAILURE,
"Port %d cannot parse packet type.\n\n"
"Please add --parse-ptype to use sw "
"packet type analyzer.\n\n",
portid);
}
}
check_all_ports_link_status(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;
}
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