1662 lines
43 KiB
C
1662 lines
43 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <inttypes.h>
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#include <sys/types.h>
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#include <string.h>
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#include <sys/queue.h>
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#include <stdarg.h>
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#include <errno.h>
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#include <getopt.h>
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#include <unistd.h>
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#include <signal.h>
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#include <rte_common.h>
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#include <rte_byteorder.h>
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#include <rte_log.h>
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#include <rte_memory.h>
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#include <rte_memcpy.h>
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#include <rte_memzone.h>
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#include <rte_tailq.h>
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#include <rte_eal.h>
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#include <rte_per_lcore.h>
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#include <rte_launch.h>
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#include <rte_atomic.h>
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#include <rte_cycles.h>
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#include <rte_prefetch.h>
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#include <rte_lcore.h>
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#include <rte_per_lcore.h>
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#include <rte_branch_prediction.h>
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#include <rte_interrupts.h>
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#include <rte_pci.h>
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#include <rte_random.h>
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#include <rte_debug.h>
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#include <rte_ether.h>
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#include <rte_ethdev.h>
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#include <rte_ring.h>
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#include <rte_mempool.h>
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#include <rte_mbuf.h>
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#include <rte_ip.h>
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#include <rte_tcp.h>
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#include <rte_udp.h>
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#include <rte_string_fns.h>
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#include <rte_timer.h>
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#include <rte_power.h>
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#include "main.h"
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#define RTE_LOGTYPE_L3FWD_POWER RTE_LOGTYPE_USER1
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#define MAX_PKT_BURST 32
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#define MIN_ZERO_POLL_COUNT 5
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/* around 100ms at 2 Ghz */
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#define TIMER_RESOLUTION_CYCLES 200000000ULL
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/* 100 ms interval */
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#define TIMER_NUMBER_PER_SECOND 10
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/* 100000 us */
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#define SCALING_PERIOD (1000000/TIMER_NUMBER_PER_SECOND)
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#define SCALING_DOWN_TIME_RATIO_THRESHOLD 0.25
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#define APP_LOOKUP_EXACT_MATCH 0
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#define APP_LOOKUP_LPM 1
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#define DO_RFC_1812_CHECKS
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#ifndef APP_LOOKUP_METHOD
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#define APP_LOOKUP_METHOD APP_LOOKUP_LPM
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#endif
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#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
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#include <rte_hash.h>
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#elif (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
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#include <rte_lpm.h>
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#else
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#error "APP_LOOKUP_METHOD set to incorrect value"
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#endif
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#ifndef IPv6_BYTES
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#define IPv6_BYTES_FMT "%02x%02x:%02x%02x:%02x%02x:%02x%02x:"\
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"%02x%02x:%02x%02x:%02x%02x:%02x%02x"
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#define IPv6_BYTES(addr) \
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addr[0], addr[1], addr[2], addr[3], \
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addr[4], addr[5], addr[6], addr[7], \
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addr[8], addr[9], addr[10], addr[11],\
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addr[12], addr[13],addr[14], addr[15]
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#endif
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#define MAX_JUMBO_PKT_LEN 9600
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#define IPV6_ADDR_LEN 16
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#define MEMPOOL_CACHE_SIZE 256
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#define MBUF_SIZE (2048 + sizeof(struct rte_mbuf) + RTE_PKTMBUF_HEADROOM)
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/*
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* This expression is used to calculate the number of mbufs needed depending on
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* user input, taking into account memory for rx and tx hardware rings, cache
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* per lcore and mtable per port per lcore. RTE_MAX is used to ensure that
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* NB_MBUF never goes below a minimum value of 8192.
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*/
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#define NB_MBUF RTE_MAX ( \
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(nb_ports*nb_rx_queue*RTE_TEST_RX_DESC_DEFAULT + \
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nb_ports*nb_lcores*MAX_PKT_BURST + \
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nb_ports*n_tx_queue*RTE_TEST_TX_DESC_DEFAULT + \
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nb_lcores*MEMPOOL_CACHE_SIZE), \
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(unsigned)8192)
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#define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
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#define NB_SOCKETS 8
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/* Configure how many packets ahead to prefetch, when reading packets */
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#define PREFETCH_OFFSET 3
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/*
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* Configurable number of RX/TX ring descriptors
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*/
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#define RTE_TEST_RX_DESC_DEFAULT 128
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#define RTE_TEST_TX_DESC_DEFAULT 512
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static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
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static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
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/* ethernet addresses of ports */
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static struct ether_addr ports_eth_addr[RTE_MAX_ETHPORTS];
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/* mask of enabled ports */
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static uint32_t enabled_port_mask = 0;
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/* Ports set in promiscuous mode off by default. */
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static int promiscuous_on = 0;
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/* NUMA is enabled by default. */
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static int numa_on = 1;
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enum freq_scale_hint_t
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{
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FREQ_LOWER = -1,
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FREQ_CURRENT = 0,
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FREQ_HIGHER = 1,
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FREQ_HIGHEST = 2
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};
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struct mbuf_table {
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uint16_t len;
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struct rte_mbuf *m_table[MAX_PKT_BURST];
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};
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struct lcore_rx_queue {
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uint8_t port_id;
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uint8_t queue_id;
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enum freq_scale_hint_t freq_up_hint;
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uint32_t zero_rx_packet_count;
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uint32_t idle_hint;
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} __rte_cache_aligned;
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#define MAX_RX_QUEUE_PER_LCORE 16
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#define MAX_TX_QUEUE_PER_PORT RTE_MAX_ETHPORTS
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#define MAX_RX_QUEUE_PER_PORT 128
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#define MAX_LCORE_PARAMS 1024
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struct lcore_params {
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uint8_t port_id;
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uint8_t queue_id;
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uint8_t lcore_id;
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} __rte_cache_aligned;
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static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
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static struct lcore_params lcore_params_array_default[] = {
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{0, 0, 2},
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{0, 1, 2},
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{0, 2, 2},
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{1, 0, 2},
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{1, 1, 2},
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{1, 2, 2},
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{2, 0, 2},
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{3, 0, 3},
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{3, 1, 3},
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};
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static struct lcore_params * lcore_params = lcore_params_array_default;
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static uint16_t nb_lcore_params = sizeof(lcore_params_array_default) /
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sizeof(lcore_params_array_default[0]);
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static struct rte_eth_conf port_conf = {
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.rxmode = {
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.mq_mode = ETH_MQ_RX_RSS,
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.max_rx_pkt_len = ETHER_MAX_LEN,
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.split_hdr_size = 0,
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.header_split = 0, /**< Header Split disabled */
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.hw_ip_checksum = 1, /**< IP checksum offload enabled */
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.hw_vlan_filter = 0, /**< VLAN filtering disabled */
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.jumbo_frame = 0, /**< Jumbo Frame Support disabled */
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.hw_strip_crc = 0, /**< CRC stripped by hardware */
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},
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.rx_adv_conf = {
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.rss_conf = {
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.rss_key = NULL,
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.rss_hf = ETH_RSS_IP,
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},
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},
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.txmode = {
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.mq_mode = ETH_DCB_NONE,
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},
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};
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static struct rte_mempool * pktmbuf_pool[NB_SOCKETS];
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#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
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#ifdef RTE_MACHINE_CPUFLAG_SSE4_2
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#include <rte_hash_crc.h>
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#define DEFAULT_HASH_FUNC rte_hash_crc
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#else
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#include <rte_jhash.h>
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#define DEFAULT_HASH_FUNC rte_jhash
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#endif
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struct ipv4_5tuple {
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uint32_t ip_dst;
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uint32_t ip_src;
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uint16_t port_dst;
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uint16_t port_src;
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uint8_t proto;
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} __attribute__((__packed__));
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struct ipv6_5tuple {
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uint8_t ip_dst[IPV6_ADDR_LEN];
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uint8_t ip_src[IPV6_ADDR_LEN];
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uint16_t port_dst;
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uint16_t port_src;
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uint8_t proto;
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} __attribute__((__packed__));
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struct ipv4_l3fwd_route {
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struct ipv4_5tuple key;
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uint8_t if_out;
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};
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struct ipv6_l3fwd_route {
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struct ipv6_5tuple key;
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uint8_t if_out;
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};
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static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
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{{IPv4(100,10,0,1), IPv4(200,10,0,1), 101, 11, IPPROTO_TCP}, 0},
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{{IPv4(100,20,0,2), IPv4(200,20,0,2), 102, 12, IPPROTO_TCP}, 1},
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{{IPv4(100,30,0,3), IPv4(200,30,0,3), 103, 13, IPPROTO_TCP}, 2},
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{{IPv4(100,40,0,4), IPv4(200,40,0,4), 104, 14, IPPROTO_TCP}, 3},
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};
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static struct ipv6_l3fwd_route ipv6_l3fwd_route_array[] = {
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{
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{
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{0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x02, 0x1b, 0x21, 0xff, 0xfe, 0x91, 0x38, 0x05},
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{0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x02, 0x1e, 0x67, 0xff, 0xfe, 0x0d, 0xb6, 0x0a},
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1, 10, IPPROTO_UDP
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}, 4
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},
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};
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typedef struct rte_hash lookup_struct_t;
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static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
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static lookup_struct_t *ipv6_l3fwd_lookup_struct[NB_SOCKETS];
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#define L3FWD_HASH_ENTRIES 1024
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#define IPV4_L3FWD_NUM_ROUTES \
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(sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
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#define IPV6_L3FWD_NUM_ROUTES \
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(sizeof(ipv6_l3fwd_route_array) / sizeof(ipv6_l3fwd_route_array[0]))
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static uint8_t ipv4_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
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static uint8_t ipv6_l3fwd_out_if[L3FWD_HASH_ENTRIES] __rte_cache_aligned;
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#endif
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#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
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struct ipv4_l3fwd_route {
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uint32_t ip;
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uint8_t depth;
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uint8_t if_out;
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};
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static struct ipv4_l3fwd_route ipv4_l3fwd_route_array[] = {
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{IPv4(1,1,1,0), 24, 0},
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{IPv4(2,1,1,0), 24, 1},
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{IPv4(3,1,1,0), 24, 2},
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{IPv4(4,1,1,0), 24, 3},
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{IPv4(5,1,1,0), 24, 4},
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{IPv4(6,1,1,0), 24, 5},
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{IPv4(7,1,1,0), 24, 6},
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{IPv4(8,1,1,0), 24, 7},
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};
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#define IPV4_L3FWD_NUM_ROUTES \
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(sizeof(ipv4_l3fwd_route_array) / sizeof(ipv4_l3fwd_route_array[0]))
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#define IPV4_L3FWD_LPM_MAX_RULES 1024
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typedef struct rte_lpm lookup_struct_t;
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static lookup_struct_t *ipv4_l3fwd_lookup_struct[NB_SOCKETS];
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#endif
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struct lcore_conf {
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uint16_t n_rx_queue;
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struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
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uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
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struct mbuf_table tx_mbufs[RTE_MAX_ETHPORTS];
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lookup_struct_t * ipv4_lookup_struct;
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lookup_struct_t * ipv6_lookup_struct;
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} __rte_cache_aligned;
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struct lcore_stats {
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/* total sleep time in ms since last frequency scaling down */
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uint32_t sleep_time;
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/* number of long sleep recently */
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uint32_t nb_long_sleep;
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/* freq. scaling up trend */
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uint32_t trend;
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/* total packet processed recently */
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uint64_t nb_rx_processed;
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/* total iterations looped recently */
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uint64_t nb_iteration_looped;
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uint32_t padding[9];
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} __rte_cache_aligned;
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static struct lcore_conf lcore_conf[RTE_MAX_LCORE] __rte_cache_aligned;
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static struct lcore_stats stats[RTE_MAX_LCORE] __rte_cache_aligned;
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static struct rte_timer power_timers[RTE_MAX_LCORE];
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static inline uint32_t power_idle_heuristic(uint32_t zero_rx_packet_count);
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static inline enum freq_scale_hint_t power_freq_scaleup_heuristic( \
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unsigned lcore_id, uint8_t port_id, uint16_t queue_id);
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/* exit signal handler */
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static void
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signal_exit_now(int sigtype)
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{
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unsigned lcore_id;
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int ret;
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if (sigtype == SIGINT) {
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for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
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if (rte_lcore_is_enabled(lcore_id) == 0)
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continue;
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/* init power management library */
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ret = rte_power_exit(lcore_id);
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if (ret)
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rte_exit(EXIT_FAILURE, "Power management "
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"library de-initialization failed on "
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"core%u\n", lcore_id);
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}
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}
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rte_exit(EXIT_SUCCESS, "User forced exit\n");
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}
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/* Freqency scale down timer callback */
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static void
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power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
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__attribute__((unused)) void *arg)
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{
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uint64_t hz;
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float sleep_time_ratio;
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unsigned lcore_id = rte_lcore_id();
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/* accumulate total execution time in us when callback is invoked */
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sleep_time_ratio = (float)(stats[lcore_id].sleep_time) /
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(float)SCALING_PERIOD;
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/**
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* check whether need to scale down frequency a step if it sleep a lot.
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*/
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if (sleep_time_ratio >= SCALING_DOWN_TIME_RATIO_THRESHOLD)
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rte_power_freq_down(lcore_id);
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else if ( (unsigned)(stats[lcore_id].nb_rx_processed /
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stats[lcore_id].nb_iteration_looped) < MAX_PKT_BURST)
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/**
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* scale down a step if average packet per iteration less
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* than expectation.
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*/
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rte_power_freq_down(lcore_id);
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/**
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* initialize another timer according to current frequency to ensure
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* timer interval is relatively fixed.
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*/
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hz = rte_get_timer_hz();
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rte_timer_reset(&power_timers[lcore_id], hz/TIMER_NUMBER_PER_SECOND,
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SINGLE, lcore_id, power_timer_cb, NULL);
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stats[lcore_id].nb_rx_processed = 0;
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stats[lcore_id].nb_iteration_looped = 0;
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stats[lcore_id].sleep_time = 0;
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}
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/* Send burst of packets on an output interface */
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static inline int
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send_burst(struct lcore_conf *qconf, uint16_t n, uint8_t port)
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{
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struct rte_mbuf **m_table;
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int ret;
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uint16_t queueid;
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queueid = qconf->tx_queue_id[port];
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m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
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ret = rte_eth_tx_burst(port, queueid, m_table, n);
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if (unlikely(ret < n)) {
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do {
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rte_pktmbuf_free(m_table[ret]);
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} while (++ret < n);
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}
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return 0;
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}
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/* Enqueue a single packet, and send burst if queue is filled */
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static inline int
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send_single_packet(struct rte_mbuf *m, uint8_t port)
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{
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uint32_t lcore_id;
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uint16_t len;
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struct lcore_conf *qconf;
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|
|
lcore_id = rte_lcore_id();
|
|
|
|
qconf = &lcore_conf[lcore_id];
|
|
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;
|
|
}
|
|
|
|
#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 void
|
|
print_ipv4_key(struct ipv4_5tuple key)
|
|
{
|
|
printf("IP dst = %08x, IP src = %08x, port dst = %d, port src = %d, "
|
|
"proto = %d\n", (unsigned)key.ip_dst, (unsigned)key.ip_src,
|
|
key.port_dst, key.port_src, key.proto);
|
|
}
|
|
static void
|
|
print_ipv6_key(struct ipv6_5tuple key)
|
|
{
|
|
printf( "IP dst = " IPv6_BYTES_FMT ", IP src = " IPv6_BYTES_FMT ", "
|
|
"port dst = %d, port src = %d, proto = %d\n",
|
|
IPv6_BYTES(key.ip_dst), IPv6_BYTES(key.ip_src),
|
|
key.port_dst, key.port_src, key.proto);
|
|
}
|
|
|
|
static inline uint8_t
|
|
get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid,
|
|
lookup_struct_t * ipv4_l3fwd_lookup_struct)
|
|
{
|
|
struct ipv4_5tuple key;
|
|
struct tcp_hdr *tcp;
|
|
struct udp_hdr *udp;
|
|
int ret = 0;
|
|
|
|
key.ip_dst = rte_be_to_cpu_32(ipv4_hdr->dst_addr);
|
|
key.ip_src = rte_be_to_cpu_32(ipv4_hdr->src_addr);
|
|
key.proto = ipv4_hdr->next_proto_id;
|
|
|
|
switch (ipv4_hdr->next_proto_id) {
|
|
case IPPROTO_TCP:
|
|
tcp = (struct tcp_hdr *)((unsigned char *)ipv4_hdr +
|
|
sizeof(struct ipv4_hdr));
|
|
key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
|
|
key.port_src = rte_be_to_cpu_16(tcp->src_port);
|
|
break;
|
|
|
|
case IPPROTO_UDP:
|
|
udp = (struct udp_hdr *)((unsigned char *)ipv4_hdr +
|
|
sizeof(struct ipv4_hdr));
|
|
key.port_dst = rte_be_to_cpu_16(udp->dst_port);
|
|
key.port_src = rte_be_to_cpu_16(udp->src_port);
|
|
break;
|
|
|
|
default:
|
|
key.port_dst = 0;
|
|
key.port_src = 0;
|
|
break;
|
|
}
|
|
|
|
/* Find destination port */
|
|
ret = rte_hash_lookup(ipv4_l3fwd_lookup_struct, (const void *)&key);
|
|
return (uint8_t)((ret < 0)? portid : ipv4_l3fwd_out_if[ret]);
|
|
}
|
|
|
|
static inline uint8_t
|
|
get_ipv6_dst_port(struct ipv6_hdr *ipv6_hdr, uint8_t portid,
|
|
lookup_struct_t *ipv6_l3fwd_lookup_struct)
|
|
{
|
|
struct ipv6_5tuple key;
|
|
struct tcp_hdr *tcp;
|
|
struct udp_hdr *udp;
|
|
int ret = 0;
|
|
|
|
memcpy(key.ip_dst, ipv6_hdr->dst_addr, IPV6_ADDR_LEN);
|
|
memcpy(key.ip_src, ipv6_hdr->src_addr, IPV6_ADDR_LEN);
|
|
|
|
key.proto = ipv6_hdr->proto;
|
|
|
|
switch (ipv6_hdr->proto) {
|
|
case IPPROTO_TCP:
|
|
tcp = (struct tcp_hdr *)((unsigned char *) ipv6_hdr +
|
|
sizeof(struct ipv6_hdr));
|
|
key.port_dst = rte_be_to_cpu_16(tcp->dst_port);
|
|
key.port_src = rte_be_to_cpu_16(tcp->src_port);
|
|
break;
|
|
|
|
case IPPROTO_UDP:
|
|
udp = (struct udp_hdr *)((unsigned char *) ipv6_hdr +
|
|
sizeof(struct ipv6_hdr));
|
|
key.port_dst = rte_be_to_cpu_16(udp->dst_port);
|
|
key.port_src = rte_be_to_cpu_16(udp->src_port);
|
|
break;
|
|
|
|
default:
|
|
key.port_dst = 0;
|
|
key.port_src = 0;
|
|
break;
|
|
}
|
|
|
|
/* Find destination port */
|
|
ret = rte_hash_lookup(ipv6_l3fwd_lookup_struct, (const void *)&key);
|
|
return (uint8_t)((ret < 0)? portid : ipv6_l3fwd_out_if[ret]);
|
|
}
|
|
#endif
|
|
|
|
#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
|
|
static inline uint8_t
|
|
get_ipv4_dst_port(struct ipv4_hdr *ipv4_hdr, uint8_t portid,
|
|
lookup_struct_t *ipv4_l3fwd_lookup_struct)
|
|
{
|
|
uint8_t next_hop;
|
|
|
|
return (uint8_t) ((rte_lpm_lookup(ipv4_l3fwd_lookup_struct,
|
|
rte_be_to_cpu_32(ipv4_hdr->dst_addr), &next_hop) == 0)?
|
|
next_hop : portid);
|
|
}
|
|
#endif
|
|
|
|
static inline void
|
|
l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid,
|
|
struct lcore_conf *qconf)
|
|
{
|
|
struct ether_hdr *eth_hdr;
|
|
struct ipv4_hdr *ipv4_hdr;
|
|
void *d_addr_bytes;
|
|
uint8_t dst_port;
|
|
|
|
eth_hdr = rte_pktmbuf_mtod(m, struct ether_hdr *);
|
|
|
|
if (m->ol_flags & PKT_RX_IPV4_HDR) {
|
|
/* Handle IPv4 headers.*/
|
|
ipv4_hdr =
|
|
(struct ipv4_hdr *)(rte_pktmbuf_mtod(m, unsigned char*)
|
|
+ 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,
|
|
qconf->ipv4_lookup_struct);
|
|
if (dst_port >= RTE_MAX_ETHPORTS ||
|
|
(enabled_port_mask & 1 << dst_port) == 0)
|
|
dst_port = portid;
|
|
|
|
/* 02:00:00:00:00:xx */
|
|
d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
|
|
*((uint64_t *)d_addr_bytes) =
|
|
0x000000000002 + ((uint64_t)dst_port << 40);
|
|
|
|
#ifdef DO_RFC_1812_CHECKS
|
|
/* Update time to live and header checksum */
|
|
--(ipv4_hdr->time_to_live);
|
|
++(ipv4_hdr->hdr_checksum);
|
|
#endif
|
|
|
|
/* src addr */
|
|
ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
|
|
|
|
send_single_packet(m, dst_port);
|
|
}
|
|
else {
|
|
/* Handle IPv6 headers.*/
|
|
#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
|
|
struct ipv6_hdr *ipv6_hdr;
|
|
|
|
ipv6_hdr =
|
|
(struct ipv6_hdr *)(rte_pktmbuf_mtod(m, unsigned char*)
|
|
+ sizeof(struct ether_hdr));
|
|
|
|
dst_port = get_ipv6_dst_port(ipv6_hdr, portid,
|
|
qconf->ipv6_lookup_struct);
|
|
|
|
if (dst_port >= RTE_MAX_ETHPORTS ||
|
|
(enabled_port_mask & 1 << dst_port) == 0)
|
|
dst_port = portid;
|
|
|
|
/* 02:00:00:00:00:xx */
|
|
d_addr_bytes = ð_hdr->d_addr.addr_bytes[0];
|
|
*((uint64_t *)d_addr_bytes) =
|
|
0x000000000002 + ((uint64_t)dst_port << 40);
|
|
|
|
/* src addr */
|
|
ether_addr_copy(&ports_eth_addr[dst_port], ð_hdr->s_addr);
|
|
|
|
send_single_packet(m, dst_port);
|
|
#else
|
|
/* We don't currently handle IPv6 packets in LPM mode. */
|
|
rte_pktmbuf_free(m);
|
|
#endif
|
|
}
|
|
|
|
}
|
|
|
|
#define SLEEP_GEAR1_THRESHOLD 100
|
|
#define SLEEP_GEAR2_THRESHOLD 1000
|
|
|
|
static inline uint32_t
|
|
power_idle_heuristic(uint32_t zero_rx_packet_count)
|
|
{
|
|
/* If zero count is less than 100, use it as the sleep time in us */
|
|
if (zero_rx_packet_count < SLEEP_GEAR1_THRESHOLD)
|
|
return zero_rx_packet_count;
|
|
/* If zero count is less than 1000, sleep time should be 100 us */
|
|
else if ((zero_rx_packet_count >= SLEEP_GEAR1_THRESHOLD) &&
|
|
(zero_rx_packet_count < SLEEP_GEAR2_THRESHOLD))
|
|
return SLEEP_GEAR1_THRESHOLD;
|
|
/* If zero count is greater than 1000, sleep time should be 1000 us */
|
|
else if (zero_rx_packet_count >= SLEEP_GEAR2_THRESHOLD)
|
|
return SLEEP_GEAR2_THRESHOLD;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static inline enum freq_scale_hint_t
|
|
power_freq_scaleup_heuristic(unsigned lcore_id,
|
|
uint8_t port_id,
|
|
uint16_t queue_id)
|
|
{
|
|
/**
|
|
* HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries
|
|
* per iteration
|
|
*/
|
|
#define FREQ_GEAR1_RX_PACKET_THRESHOLD MAX_PKT_BURST
|
|
#define FREQ_GEAR2_RX_PACKET_THRESHOLD (MAX_PKT_BURST*2)
|
|
#define FREQ_GEAR3_RX_PACKET_THRESHOLD (MAX_PKT_BURST*3)
|
|
#define FREQ_UP_TREND1_ACC 1
|
|
#define FREQ_UP_TREND2_ACC 100
|
|
#define FREQ_UP_THRESHOLD 10000
|
|
|
|
if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
|
|
FREQ_GEAR3_RX_PACKET_THRESHOLD) > 0)) {
|
|
stats[lcore_id].trend = 0;
|
|
return FREQ_HIGHEST;
|
|
} else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
|
|
FREQ_GEAR2_RX_PACKET_THRESHOLD) > 0))
|
|
stats[lcore_id].trend += FREQ_UP_TREND2_ACC;
|
|
else if (likely(rte_eth_rx_descriptor_done(port_id, queue_id,
|
|
FREQ_GEAR1_RX_PACKET_THRESHOLD) > 0))
|
|
stats[lcore_id].trend += FREQ_UP_TREND1_ACC;
|
|
|
|
if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) {
|
|
stats[lcore_id].trend = 0;
|
|
return FREQ_HIGHER;
|
|
}
|
|
|
|
return FREQ_CURRENT;
|
|
}
|
|
|
|
/* main processing loop */
|
|
static int
|
|
main_loop(__attribute__((unused)) void *dummy)
|
|
{
|
|
struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
|
|
unsigned lcore_id;
|
|
uint64_t prev_tsc, diff_tsc, cur_tsc;
|
|
uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power;
|
|
int i, j, nb_rx;
|
|
uint8_t portid, queueid;
|
|
struct lcore_conf *qconf;
|
|
struct lcore_rx_queue *rx_queue;
|
|
enum freq_scale_hint_t lcore_scaleup_hint;
|
|
|
|
uint32_t lcore_rx_idle_count = 0;
|
|
uint32_t lcore_idle_hint = 0;
|
|
|
|
const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US;
|
|
|
|
prev_tsc = 0;
|
|
|
|
lcore_id = rte_lcore_id();
|
|
qconf = &lcore_conf[lcore_id];
|
|
|
|
if (qconf->n_rx_queue == 0) {
|
|
RTE_LOG(INFO, L3FWD_POWER, "lcore %u has nothing to do\n", lcore_id);
|
|
return 0;
|
|
}
|
|
|
|
RTE_LOG(INFO, L3FWD_POWER, "entering main loop on lcore %u\n", lcore_id);
|
|
|
|
for (i = 0; i < qconf->n_rx_queue; i++) {
|
|
|
|
portid = qconf->rx_queue_list[i].port_id;
|
|
queueid = qconf->rx_queue_list[i].queue_id;
|
|
RTE_LOG(INFO, L3FWD_POWER, " -- lcoreid=%u portid=%hhu "
|
|
"rxqueueid=%hhu\n", lcore_id, portid, queueid);
|
|
}
|
|
|
|
while (1) {
|
|
stats[lcore_id].nb_iteration_looped++;
|
|
|
|
cur_tsc = rte_rdtsc();
|
|
cur_tsc_power = cur_tsc;
|
|
|
|
/*
|
|
* 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
|
|
*/
|
|
for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
|
|
if (qconf->tx_mbufs[portid].len == 0)
|
|
continue;
|
|
send_burst(&lcore_conf[lcore_id],
|
|
qconf->tx_mbufs[portid].len,
|
|
portid);
|
|
qconf->tx_mbufs[portid].len = 0;
|
|
}
|
|
|
|
prev_tsc = cur_tsc;
|
|
}
|
|
|
|
diff_tsc_power = cur_tsc_power - prev_tsc_power;
|
|
if (diff_tsc_power > TIMER_RESOLUTION_CYCLES) {
|
|
rte_timer_manage();
|
|
prev_tsc_power = cur_tsc_power;
|
|
}
|
|
|
|
/*
|
|
* Read packet from RX queues
|
|
*/
|
|
lcore_scaleup_hint = FREQ_CURRENT;
|
|
lcore_rx_idle_count = 0;
|
|
for (i = 0; i < qconf->n_rx_queue; ++i) {
|
|
rx_queue = &(qconf->rx_queue_list[i]);
|
|
rx_queue->idle_hint = 0;
|
|
portid = rx_queue->port_id;
|
|
queueid = rx_queue->queue_id;
|
|
|
|
nb_rx = rte_eth_rx_burst(portid, queueid, pkts_burst,
|
|
MAX_PKT_BURST);
|
|
stats[lcore_id].nb_rx_processed += nb_rx;
|
|
if (unlikely(nb_rx == 0)) {
|
|
/**
|
|
* no packet received from rx queue, try to
|
|
* sleep for a while forcing CPU enter deeper
|
|
* C states.
|
|
*/
|
|
rx_queue->zero_rx_packet_count++;
|
|
|
|
if (rx_queue->zero_rx_packet_count <=
|
|
MIN_ZERO_POLL_COUNT)
|
|
continue;
|
|
|
|
rx_queue->idle_hint = power_idle_heuristic(\
|
|
rx_queue->zero_rx_packet_count);
|
|
lcore_rx_idle_count++;
|
|
} else {
|
|
rx_queue->zero_rx_packet_count = 0;
|
|
|
|
/**
|
|
* do not scale up frequency immediately as
|
|
* user to kernel space communication is costly
|
|
* which might impact packet I/O for received
|
|
* packets.
|
|
*/
|
|
rx_queue->freq_up_hint =
|
|
power_freq_scaleup_heuristic(lcore_id,
|
|
portid, queueid);
|
|
}
|
|
|
|
/* Prefetch first packets */
|
|
for (j = 0; j < PREFETCH_OFFSET && j < nb_rx; j++) {
|
|
rte_prefetch0(rte_pktmbuf_mtod(
|
|
pkts_burst[j], void *));
|
|
}
|
|
|
|
/* Prefetch and forward already prefetched packets */
|
|
for (j = 0; j < (nb_rx - PREFETCH_OFFSET); j++) {
|
|
rte_prefetch0(rte_pktmbuf_mtod(pkts_burst[
|
|
j + PREFETCH_OFFSET], void *));
|
|
l3fwd_simple_forward(pkts_burst[j], portid,
|
|
qconf);
|
|
}
|
|
|
|
/* Forward remaining prefetched packets */
|
|
for (; j < nb_rx; j++) {
|
|
l3fwd_simple_forward(pkts_burst[j], portid,
|
|
qconf);
|
|
}
|
|
}
|
|
|
|
if (likely(lcore_rx_idle_count != qconf->n_rx_queue)) {
|
|
for (i = 1, lcore_scaleup_hint =
|
|
qconf->rx_queue_list[0].freq_up_hint;
|
|
i < qconf->n_rx_queue; ++i) {
|
|
rx_queue = &(qconf->rx_queue_list[i]);
|
|
if (rx_queue->freq_up_hint >
|
|
lcore_scaleup_hint)
|
|
lcore_scaleup_hint =
|
|
rx_queue->freq_up_hint;
|
|
}
|
|
|
|
if (lcore_scaleup_hint == FREQ_HIGHEST)
|
|
rte_power_freq_max(lcore_id);
|
|
else if (lcore_scaleup_hint == FREQ_HIGHER)
|
|
rte_power_freq_up(lcore_id);
|
|
} else {
|
|
/**
|
|
* All Rx queues empty in recent consecutive polls,
|
|
* sleep in a conservative manner, meaning sleep as
|
|
* less as possible.
|
|
*/
|
|
for (i = 1, lcore_idle_hint =
|
|
qconf->rx_queue_list[0].idle_hint;
|
|
i < qconf->n_rx_queue; ++i) {
|
|
rx_queue = &(qconf->rx_queue_list[i]);
|
|
if (rx_queue->idle_hint < lcore_idle_hint)
|
|
lcore_idle_hint = rx_queue->idle_hint;
|
|
}
|
|
|
|
if ( lcore_idle_hint < SLEEP_GEAR1_THRESHOLD)
|
|
/**
|
|
* execute "pause" instruction to avoid context
|
|
* switch for short sleep.
|
|
*/
|
|
rte_delay_us(lcore_idle_hint);
|
|
else
|
|
/* long sleep force runing thread to suspend */
|
|
usleep(lcore_idle_hint);
|
|
|
|
stats[lcore_id].sleep_time += lcore_idle_hint;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int
|
|
check_lcore_params(void)
|
|
{
|
|
uint8_t queue, lcore;
|
|
uint16_t i;
|
|
int socketid;
|
|
|
|
for (i = 0; i < nb_lcore_params; ++i) {
|
|
queue = lcore_params[i].queue_id;
|
|
if (queue >= MAX_RX_QUEUE_PER_PORT) {
|
|
printf("invalid queue number: %hhu\n", queue);
|
|
return -1;
|
|
}
|
|
lcore = lcore_params[i].lcore_id;
|
|
if (!rte_lcore_is_enabled(lcore)) {
|
|
printf("error: lcore %hhu is not enabled in lcore "
|
|
"mask\n", lcore);
|
|
return -1;
|
|
}
|
|
if ((socketid = rte_lcore_to_socket_id(lcore) != 0) &&
|
|
(numa_on == 0)) {
|
|
printf("warning: lcore %hhu is on socket %d with numa "
|
|
"off\n", lcore, socketid);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
check_port_config(const unsigned nb_ports)
|
|
{
|
|
unsigned portid;
|
|
uint16_t i;
|
|
|
|
for (i = 0; i < nb_lcore_params; ++i) {
|
|
portid = lcore_params[i].port_id;
|
|
if ((enabled_port_mask & (1 << portid)) == 0) {
|
|
printf("port %u is not enabled in port mask\n",
|
|
portid);
|
|
return -1;
|
|
}
|
|
if (portid >= nb_ports) {
|
|
printf("port %u is not present on the board\n",
|
|
portid);
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static uint8_t
|
|
get_port_n_rx_queues(const uint8_t port)
|
|
{
|
|
int queue = -1;
|
|
uint16_t i;
|
|
|
|
for (i = 0; i < nb_lcore_params; ++i) {
|
|
if (lcore_params[i].port_id == port &&
|
|
lcore_params[i].queue_id > queue)
|
|
queue = lcore_params[i].queue_id;
|
|
}
|
|
return (uint8_t)(++queue);
|
|
}
|
|
|
|
static int
|
|
init_lcore_rx_queues(void)
|
|
{
|
|
uint16_t i, nb_rx_queue;
|
|
uint8_t lcore;
|
|
|
|
for (i = 0; i < nb_lcore_params; ++i) {
|
|
lcore = lcore_params[i].lcore_id;
|
|
nb_rx_queue = lcore_conf[lcore].n_rx_queue;
|
|
if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
|
|
printf("error: too many queues (%u) for lcore: %u\n",
|
|
(unsigned)nb_rx_queue + 1, (unsigned)lcore);
|
|
return -1;
|
|
} else {
|
|
lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
|
|
lcore_params[i].port_id;
|
|
lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
|
|
lcore_params[i].queue_id;
|
|
lcore_conf[lcore].n_rx_queue++;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* display usage */
|
|
static void
|
|
print_usage(const char *prgname)
|
|
{
|
|
printf ("%s [EAL options] -- -p PORTMASK -P"
|
|
" [--config (port,queue,lcore)[,(port,queue,lcore]]"
|
|
" [--enable-jumbo [--max-pkt-len PKTLEN]]\n"
|
|
" -p PORTMASK: hexadecimal bitmask of ports to configure\n"
|
|
" -P : enable promiscuous mode\n"
|
|
" --config (port,queue,lcore): rx queues configuration\n"
|
|
" --no-numa: optional, disable numa awareness\n"
|
|
" --enable-jumbo: enable jumbo frame"
|
|
" which max packet len is PKTLEN in decimal (64-9600)\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;
|
|
}
|
|
|
|
static int
|
|
parse_config(const char *q_arg)
|
|
{
|
|
char s[256];
|
|
const char *p, *p0 = q_arg;
|
|
char *end;
|
|
enum fieldnames {
|
|
FLD_PORT = 0,
|
|
FLD_QUEUE,
|
|
FLD_LCORE,
|
|
_NUM_FLD
|
|
};
|
|
unsigned long int_fld[_NUM_FLD];
|
|
char *str_fld[_NUM_FLD];
|
|
int i;
|
|
unsigned size;
|
|
|
|
nb_lcore_params = 0;
|
|
|
|
while ((p = strchr(p0,'(')) != NULL) {
|
|
++p;
|
|
if((p0 = strchr(p,')')) == NULL)
|
|
return -1;
|
|
|
|
size = p0 - p;
|
|
if(size >= sizeof(s))
|
|
return -1;
|
|
|
|
snprintf(s, sizeof(s), "%.*s", size, p);
|
|
if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
|
|
_NUM_FLD)
|
|
return -1;
|
|
for (i = 0; i < _NUM_FLD; i++){
|
|
errno = 0;
|
|
int_fld[i] = strtoul(str_fld[i], &end, 0);
|
|
if (errno != 0 || end == str_fld[i] || int_fld[i] >
|
|
255)
|
|
return -1;
|
|
}
|
|
if (nb_lcore_params >= MAX_LCORE_PARAMS) {
|
|
printf("exceeded max number of lcore params: %hu\n",
|
|
nb_lcore_params);
|
|
return -1;
|
|
}
|
|
lcore_params_array[nb_lcore_params].port_id =
|
|
(uint8_t)int_fld[FLD_PORT];
|
|
lcore_params_array[nb_lcore_params].queue_id =
|
|
(uint8_t)int_fld[FLD_QUEUE];
|
|
lcore_params_array[nb_lcore_params].lcore_id =
|
|
(uint8_t)int_fld[FLD_LCORE];
|
|
++nb_lcore_params;
|
|
}
|
|
lcore_params = lcore_params_array;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* Parse the argument given in the command line of the application */
|
|
static int
|
|
parse_args(int argc, char **argv)
|
|
{
|
|
int opt, ret;
|
|
char **argvopt;
|
|
int option_index;
|
|
char *prgname = argv[0];
|
|
static struct option lgopts[] = {
|
|
{"config", 1, 0, 0},
|
|
{"no-numa", 0, 0, 0},
|
|
{"enable-jumbo", 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, "config", 6)) {
|
|
ret = parse_config(optarg);
|
|
if (ret) {
|
|
printf("invalid config\n");
|
|
print_usage(prgname);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (!strncmp(lgopts[option_index].name,
|
|
"no-numa", 7)) {
|
|
printf("numa is disabled \n");
|
|
numa_on = 0;
|
|
}
|
|
|
|
if (!strncmp(lgopts[option_index].name,
|
|
"enable-jumbo", 12)) {
|
|
struct option lenopts =
|
|
{"max-pkt-len", required_argument, \
|
|
0, 0};
|
|
|
|
printf("jumbo frame is enabled \n");
|
|
port_conf.rxmode.jumbo_frame = 1;
|
|
|
|
/**
|
|
* if no max-pkt-len set, 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);
|
|
}
|
|
|
|
break;
|
|
|
|
default:
|
|
print_usage(prgname);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (optind >= 0)
|
|
argv[optind-1] = prgname;
|
|
|
|
ret = optind-1;
|
|
optind = 0; /* reset getopt lib */
|
|
return ret;
|
|
}
|
|
|
|
static void
|
|
print_ethaddr(const char *name, const struct ether_addr *eth_addr)
|
|
{
|
|
char buf[ETHER_ADDR_FMT_SIZE];
|
|
ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
|
|
printf("%s%s", name, buf);
|
|
}
|
|
|
|
#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
|
|
static void
|
|
setup_hash(int socketid)
|
|
{
|
|
struct rte_hash_parameters ipv4_l3fwd_hash_params = {
|
|
.name = NULL,
|
|
.entries = L3FWD_HASH_ENTRIES,
|
|
.bucket_entries = 4,
|
|
.key_len = sizeof(struct ipv4_5tuple),
|
|
.hash_func = DEFAULT_HASH_FUNC,
|
|
.hash_func_init_val = 0,
|
|
};
|
|
|
|
struct rte_hash_parameters ipv6_l3fwd_hash_params = {
|
|
.name = NULL,
|
|
.entries = L3FWD_HASH_ENTRIES,
|
|
.bucket_entries = 4,
|
|
.key_len = sizeof(struct ipv6_5tuple),
|
|
.hash_func = DEFAULT_HASH_FUNC,
|
|
.hash_func_init_val = 0,
|
|
};
|
|
|
|
unsigned i;
|
|
int ret;
|
|
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);
|
|
|
|
|
|
/* populate the ipv4 hash */
|
|
for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
|
|
ret = rte_hash_add_key (ipv4_l3fwd_lookup_struct[socketid],
|
|
(void *) &ipv4_l3fwd_route_array[i].key);
|
|
if (ret < 0) {
|
|
rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
|
|
"l3fwd hash on socket %d\n", i, socketid);
|
|
}
|
|
ipv4_l3fwd_out_if[ret] = ipv4_l3fwd_route_array[i].if_out;
|
|
printf("Hash: Adding key\n");
|
|
print_ipv4_key(ipv4_l3fwd_route_array[i].key);
|
|
}
|
|
|
|
/* populate the ipv6 hash */
|
|
for (i = 0; i < IPV6_L3FWD_NUM_ROUTES; i++) {
|
|
ret = rte_hash_add_key (ipv6_l3fwd_lookup_struct[socketid],
|
|
(void *) &ipv6_l3fwd_route_array[i].key);
|
|
if (ret < 0) {
|
|
rte_exit(EXIT_FAILURE, "Unable to add entry %u to the"
|
|
"l3fwd hash on socket %d\n", i, socketid);
|
|
}
|
|
ipv6_l3fwd_out_if[ret] = ipv6_l3fwd_route_array[i].if_out;
|
|
printf("Hash: Adding key\n");
|
|
print_ipv6_key(ipv6_l3fwd_route_array[i].key);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if (APP_LOOKUP_METHOD == APP_LOOKUP_LPM)
|
|
static void
|
|
setup_lpm(int socketid)
|
|
{
|
|
unsigned i;
|
|
int ret;
|
|
char s[64];
|
|
|
|
/* create the LPM table */
|
|
snprintf(s, sizeof(s), "IPV4_L3FWD_LPM_%d", socketid);
|
|
ipv4_l3fwd_lookup_struct[socketid] = rte_lpm_create(s, socketid,
|
|
IPV4_L3FWD_LPM_MAX_RULES, 0);
|
|
if (ipv4_l3fwd_lookup_struct[socketid] == NULL)
|
|
rte_exit(EXIT_FAILURE, "Unable to create the l3fwd LPM table"
|
|
" on socket %d\n", socketid);
|
|
|
|
/* populate the LPM table */
|
|
for (i = 0; i < IPV4_L3FWD_NUM_ROUTES; i++) {
|
|
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);
|
|
}
|
|
}
|
|
#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_mempool_create(s, nb_mbuf,
|
|
MBUF_SIZE, MEMPOOL_CACHE_SIZE,
|
|
sizeof(struct rte_pktmbuf_pool_private),
|
|
rte_pktmbuf_pool_init, NULL,
|
|
rte_pktmbuf_init, NULL,
|
|
socketid, 0);
|
|
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];
|
|
#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH)
|
|
qconf->ipv6_lookup_struct = ipv6_l3fwd_lookup_struct[socketid];
|
|
#endif
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* Check the link status of all ports in up to 9s, and print them finally */
|
|
static void
|
|
check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
|
|
{
|
|
#define CHECK_INTERVAL 100 /* 100ms */
|
|
#define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
|
|
uint8_t portid, count, all_ports_up, print_flag = 0;
|
|
struct rte_eth_link link;
|
|
|
|
printf("\nChecking link status");
|
|
fflush(stdout);
|
|
for (count = 0; count <= MAX_CHECK_TIME; count++) {
|
|
all_ports_up = 1;
|
|
for (portid = 0; portid < port_num; portid++) {
|
|
if ((port_mask & (1 << portid)) == 0)
|
|
continue;
|
|
memset(&link, 0, sizeof(link));
|
|
rte_eth_link_get_nowait(portid, &link);
|
|
/* print link status if flag set */
|
|
if (print_flag == 1) {
|
|
if (link.link_status)
|
|
printf("Port %d Link Up - speed %u "
|
|
"Mbps - %s\n", (uint8_t)portid,
|
|
(unsigned)link.link_speed,
|
|
(link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
|
|
("full-duplex") : ("half-duplex\n"));
|
|
else
|
|
printf("Port %d Link Down\n",
|
|
(uint8_t)portid);
|
|
continue;
|
|
}
|
|
/* clear all_ports_up flag if any link down */
|
|
if (link.link_status == 0) {
|
|
all_ports_up = 0;
|
|
break;
|
|
}
|
|
}
|
|
/* after finally printing all link status, get out */
|
|
if (print_flag == 1)
|
|
break;
|
|
|
|
if (all_ports_up == 0) {
|
|
printf(".");
|
|
fflush(stdout);
|
|
rte_delay_ms(CHECK_INTERVAL);
|
|
}
|
|
|
|
/* set the print_flag if all ports up or timeout */
|
|
if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
|
|
print_flag = 1;
|
|
printf("done\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
int
|
|
MAIN(int argc, char **argv)
|
|
{
|
|
struct lcore_conf *qconf;
|
|
struct rte_eth_dev_info dev_info;
|
|
struct rte_eth_txconf *txconf;
|
|
int ret;
|
|
unsigned nb_ports;
|
|
uint16_t queueid;
|
|
unsigned lcore_id;
|
|
uint64_t hz;
|
|
uint32_t n_tx_queue, nb_lcores;
|
|
uint8_t portid, nb_rx_queue, queue, socketid;
|
|
|
|
/* catch SIGINT and restore cpufreq governor to ondemand */
|
|
signal(SIGINT, signal_exit_now);
|
|
|
|
/* init EAL */
|
|
ret = rte_eal_init(argc, argv);
|
|
if (ret < 0)
|
|
rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
|
|
argc -= ret;
|
|
argv += ret;
|
|
|
|
/* init RTE timer library to be used late */
|
|
rte_timer_subsystem_init();
|
|
|
|
/* parse application arguments (after the EAL ones) */
|
|
ret = parse_args(argc, argv);
|
|
if (ret < 0)
|
|
rte_exit(EXIT_FAILURE, "Invalid L3FWD parameters\n");
|
|
|
|
if (check_lcore_params() < 0)
|
|
rte_exit(EXIT_FAILURE, "check_lcore_params failed\n");
|
|
|
|
ret = init_lcore_rx_queues();
|
|
if (ret < 0)
|
|
rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
|
|
|
|
|
|
nb_ports = rte_eth_dev_count();
|
|
if (nb_ports > RTE_MAX_ETHPORTS)
|
|
nb_ports = RTE_MAX_ETHPORTS;
|
|
|
|
if (check_port_config(nb_ports) < 0)
|
|
rte_exit(EXIT_FAILURE, "check_port_config failed\n");
|
|
|
|
nb_lcores = rte_lcore_count();
|
|
|
|
/* initialize all ports */
|
|
for (portid = 0; portid < nb_ports; portid++) {
|
|
/* skip ports that are not enabled */
|
|
if ((enabled_port_mask & (1 << portid)) == 0) {
|
|
printf("\nSkipping disabled port %d\n", portid);
|
|
continue;
|
|
}
|
|
|
|
/* init port */
|
|
printf("Initializing port %d ... ", portid );
|
|
fflush(stdout);
|
|
|
|
nb_rx_queue = get_port_n_rx_queues(portid);
|
|
n_tx_queue = nb_lcores;
|
|
if (n_tx_queue > MAX_TX_QUEUE_PER_PORT)
|
|
n_tx_queue = MAX_TX_QUEUE_PER_PORT;
|
|
printf("Creating queues: nb_rxq=%d nb_txq=%u... ",
|
|
nb_rx_queue, (unsigned)n_tx_queue );
|
|
ret = rte_eth_dev_configure(portid, nb_rx_queue,
|
|
(uint16_t)n_tx_queue, &port_conf);
|
|
if (ret < 0)
|
|
rte_exit(EXIT_FAILURE, "Cannot configure device: "
|
|
"err=%d, port=%d\n", ret, portid);
|
|
|
|
rte_eth_macaddr_get(portid, &ports_eth_addr[portid]);
|
|
print_ethaddr(" Address:", &ports_eth_addr[portid]);
|
|
printf(", ");
|
|
|
|
/* init memory */
|
|
ret = init_mem(NB_MBUF);
|
|
if (ret < 0)
|
|
rte_exit(EXIT_FAILURE, "init_mem failed\n");
|
|
|
|
/* init one TX queue per couple (lcore,port) */
|
|
queueid = 0;
|
|
for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
|
|
if (rte_lcore_is_enabled(lcore_id) == 0)
|
|
continue;
|
|
|
|
if (numa_on)
|
|
socketid = \
|
|
(uint8_t)rte_lcore_to_socket_id(lcore_id);
|
|
else
|
|
socketid = 0;
|
|
|
|
printf("txq=%u,%d,%d ", lcore_id, queueid, socketid);
|
|
fflush(stdout);
|
|
|
|
rte_eth_dev_info_get(portid, &dev_info);
|
|
txconf = &dev_info.default_txconf;
|
|
if (port_conf.rxmode.jumbo_frame)
|
|
txconf->txq_flags = 0;
|
|
ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd,
|
|
socketid, txconf);
|
|
if (ret < 0)
|
|
rte_exit(EXIT_FAILURE,
|
|
"rte_eth_tx_queue_setup: err=%d, "
|
|
"port=%d\n", ret, portid);
|
|
|
|
qconf = &lcore_conf[lcore_id];
|
|
qconf->tx_queue_id[portid] = queueid;
|
|
queueid++;
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
|
|
if (rte_lcore_is_enabled(lcore_id) == 0)
|
|
continue;
|
|
|
|
/* init power management library */
|
|
ret = rte_power_init(lcore_id);
|
|
if (ret)
|
|
rte_exit(EXIT_FAILURE, "Power management library "
|
|
"initialization failed on core%u\n", lcore_id);
|
|
|
|
/* init timer structures for each enabled lcore */
|
|
rte_timer_init(&power_timers[lcore_id]);
|
|
hz = rte_get_timer_hz();
|
|
rte_timer_reset(&power_timers[lcore_id],
|
|
hz/TIMER_NUMBER_PER_SECOND, SINGLE, lcore_id,
|
|
power_timer_cb, NULL);
|
|
|
|
qconf = &lcore_conf[lcore_id];
|
|
printf("\nInitializing rx queues on lcore %u ... ", lcore_id );
|
|
fflush(stdout);
|
|
/* init RX queues */
|
|
for(queue = 0; queue < qconf->n_rx_queue; ++queue) {
|
|
portid = qconf->rx_queue_list[queue].port_id;
|
|
queueid = qconf->rx_queue_list[queue].queue_id;
|
|
|
|
if (numa_on)
|
|
socketid = \
|
|
(uint8_t)rte_lcore_to_socket_id(lcore_id);
|
|
else
|
|
socketid = 0;
|
|
|
|
printf("rxq=%d,%d,%d ", portid, queueid, socketid);
|
|
fflush(stdout);
|
|
|
|
ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd,
|
|
socketid, NULL,
|
|
pktmbuf_pool[socketid]);
|
|
if (ret < 0)
|
|
rte_exit(EXIT_FAILURE,
|
|
"rte_eth_rx_queue_setup: err=%d, "
|
|
"port=%d\n", ret, portid);
|
|
}
|
|
}
|
|
|
|
printf("\n");
|
|
|
|
/* start ports */
|
|
for (portid = 0; portid < nb_ports; portid++) {
|
|
if ((enabled_port_mask & (1 << portid)) == 0) {
|
|
continue;
|
|
}
|
|
/* Start device */
|
|
ret = rte_eth_dev_start(portid);
|
|
if (ret < 0)
|
|
rte_exit(EXIT_FAILURE, "rte_eth_dev_start: err=%d, "
|
|
"port=%d\n", ret, portid);
|
|
|
|
/*
|
|
* If enabled, put device in promiscuous mode.
|
|
* This allows IO forwarding mode to forward packets
|
|
* to itself through 2 cross-connected ports of the
|
|
* target machine.
|
|
*/
|
|
if (promiscuous_on)
|
|
rte_eth_promiscuous_enable(portid);
|
|
}
|
|
|
|
check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask);
|
|
|
|
/* launch per-lcore init on every lcore */
|
|
rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
|
|
RTE_LCORE_FOREACH_SLAVE(lcore_id) {
|
|
if (rte_eal_wait_lcore(lcore_id) < 0)
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|