640 lines
17 KiB
C
640 lines
17 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 <stdint.h>
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#include <sys/queue.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <assert.h>
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#include <errno.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <inttypes.h>
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#include <getopt.h>
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#include <rte_common.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_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_log.h>
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#include <rte_mempool.h>
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#include <rte_mbuf.h>
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#include <rte_memcpy.h>
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#define MAX_QUEUES 1024
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/*
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* 1024 queues require to meet the needs of a large number of vmdq_pools.
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* (RX/TX_queue_nb * RX/TX_ring_descriptors_nb) per port.
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*/
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#define NUM_MBUFS_PER_PORT (MAX_QUEUES * RTE_MAX(RTE_TEST_RX_DESC_DEFAULT, \
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RTE_TEST_TX_DESC_DEFAULT))
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#define MBUF_CACHE_SIZE 64
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#define MAX_PKT_BURST 32
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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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#define INVALID_PORT_ID 0xFF
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/* mask of enabled ports */
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static uint32_t enabled_port_mask;
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/* number of pools (if user does not specify any, 8 by default */
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static uint32_t num_queues = 8;
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static uint32_t num_pools = 8;
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/* empty vmdq configuration structure. Filled in programatically */
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static const struct rte_eth_conf vmdq_conf_default = {
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.rxmode = {
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.mq_mode = ETH_MQ_RX_VMDQ_ONLY,
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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 = 0, /**< IP checksum offload disabled */
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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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},
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.txmode = {
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.mq_mode = ETH_MQ_TX_NONE,
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},
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.rx_adv_conf = {
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/*
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* should be overridden separately in code with
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* appropriate values
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*/
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.vmdq_rx_conf = {
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.nb_queue_pools = ETH_8_POOLS,
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.enable_default_pool = 0,
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.default_pool = 0,
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.nb_pool_maps = 0,
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.pool_map = {{0, 0},},
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},
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},
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};
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static unsigned lcore_ids[RTE_MAX_LCORE];
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static uint8_t ports[RTE_MAX_ETHPORTS];
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static unsigned num_ports; /**< The number of ports specified in command line */
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/* array used for printing out statistics */
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volatile unsigned long rxPackets[MAX_QUEUES] = {0};
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const uint16_t vlan_tags[] = {
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0, 1, 2, 3, 4, 5, 6, 7,
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8, 9, 10, 11, 12, 13, 14, 15,
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16, 17, 18, 19, 20, 21, 22, 23,
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24, 25, 26, 27, 28, 29, 30, 31,
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32, 33, 34, 35, 36, 37, 38, 39,
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40, 41, 42, 43, 44, 45, 46, 47,
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48, 49, 50, 51, 52, 53, 54, 55,
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56, 57, 58, 59, 60, 61, 62, 63,
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};
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const uint16_t num_vlans = RTE_DIM(vlan_tags);
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static uint16_t num_pf_queues, num_vmdq_queues;
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static uint16_t vmdq_pool_base, vmdq_queue_base;
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/* pool mac addr template, pool mac addr is like: 52 54 00 12 port# pool# */
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static struct ether_addr pool_addr_template = {
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.addr_bytes = {0x52, 0x54, 0x00, 0x12, 0x00, 0x00}
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};
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/* ethernet addresses of ports */
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static struct ether_addr vmdq_ports_eth_addr[RTE_MAX_ETHPORTS];
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#define MAX_QUEUE_NUM_10G 128
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#define MAX_QUEUE_NUM_1G 8
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#define MAX_POOL_MAP_NUM_10G 64
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#define MAX_POOL_MAP_NUM_1G 32
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#define MAX_POOL_NUM_10G 64
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#define MAX_POOL_NUM_1G 8
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/*
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* Builds up the correct configuration for vmdq based on the vlan tags array
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* given above, and determine the queue number and pool map number according to
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* valid pool number
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*/
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static inline int
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get_eth_conf(struct rte_eth_conf *eth_conf, uint32_t num_pools)
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{
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struct rte_eth_vmdq_rx_conf conf;
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unsigned i;
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conf.nb_queue_pools = (enum rte_eth_nb_pools)num_pools;
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conf.nb_pool_maps = num_pools;
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conf.enable_default_pool = 0;
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conf.default_pool = 0; /* set explicit value, even if not used */
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for (i = 0; i < conf.nb_pool_maps; i++) {
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conf.pool_map[i].vlan_id = vlan_tags[i];
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conf.pool_map[i].pools = (1UL << (i % num_pools));
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}
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(void)(rte_memcpy(eth_conf, &vmdq_conf_default, sizeof(*eth_conf)));
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(void)(rte_memcpy(ð_conf->rx_adv_conf.vmdq_rx_conf, &conf,
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sizeof(eth_conf->rx_adv_conf.vmdq_rx_conf)));
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return 0;
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}
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/*
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* Initialises a given port using global settings and with the rx buffers
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* coming from the mbuf_pool passed as parameter
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*/
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static inline int
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port_init(uint8_t port, struct rte_mempool *mbuf_pool)
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{
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struct rte_eth_dev_info dev_info;
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struct rte_eth_rxconf *rxconf;
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struct rte_eth_conf port_conf;
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uint16_t rxRings, txRings;
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const uint16_t rxRingSize = RTE_TEST_RX_DESC_DEFAULT, txRingSize = RTE_TEST_TX_DESC_DEFAULT;
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int retval;
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uint16_t q;
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uint16_t queues_per_pool;
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uint32_t max_nb_pools;
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/*
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* The max pool number from dev_info will be used to validate the pool
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* number specified in cmd line
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*/
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rte_eth_dev_info_get(port, &dev_info);
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max_nb_pools = (uint32_t)dev_info.max_vmdq_pools;
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/*
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* We allow to process part of VMDQ pools specified by num_pools in
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* command line.
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*/
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if (num_pools > max_nb_pools) {
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printf("num_pools %d >max_nb_pools %d\n",
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num_pools, max_nb_pools);
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return -1;
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}
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retval = get_eth_conf(&port_conf, max_nb_pools);
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if (retval < 0)
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return retval;
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/*
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* NIC queues are divided into pf queues and vmdq queues.
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*/
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/* There is assumption here all ports have the same configuration! */
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num_pf_queues = dev_info.max_rx_queues - dev_info.vmdq_queue_num;
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queues_per_pool = dev_info.vmdq_queue_num / dev_info.max_vmdq_pools;
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num_vmdq_queues = num_pools * queues_per_pool;
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num_queues = num_pf_queues + num_vmdq_queues;
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vmdq_queue_base = dev_info.vmdq_queue_base;
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vmdq_pool_base = dev_info.vmdq_pool_base;
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printf("pf queue num: %u, configured vmdq pool num: %u,"
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" each vmdq pool has %u queues\n",
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num_pf_queues, num_pools, queues_per_pool);
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printf("vmdq queue base: %d pool base %d\n",
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vmdq_queue_base, vmdq_pool_base);
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if (port >= rte_eth_dev_count())
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return -1;
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/*
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* Though in this example, we only receive packets from the first queue
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* of each pool and send packets through first rte_lcore_count() tx
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* queues of vmdq queues, all queues including pf queues are setup.
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* This is because VMDQ queues doesn't always start from zero, and the
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* PMD layer doesn't support selectively initialising part of rx/tx
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* queues.
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*/
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rxRings = (uint16_t)dev_info.max_rx_queues;
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txRings = (uint16_t)dev_info.max_tx_queues;
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retval = rte_eth_dev_configure(port, rxRings, txRings, &port_conf);
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if (retval != 0)
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return retval;
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rte_eth_dev_info_get(port, &dev_info);
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rxconf = &dev_info.default_rxconf;
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rxconf->rx_drop_en = 1;
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for (q = 0; q < rxRings; q++) {
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retval = rte_eth_rx_queue_setup(port, q, rxRingSize,
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rte_eth_dev_socket_id(port),
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rxconf,
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mbuf_pool);
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if (retval < 0) {
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printf("initialise rx queue %d failed\n", q);
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return retval;
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}
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}
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for (q = 0; q < txRings; q++) {
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retval = rte_eth_tx_queue_setup(port, q, txRingSize,
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rte_eth_dev_socket_id(port),
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NULL);
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if (retval < 0) {
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printf("initialise tx queue %d failed\n", q);
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return retval;
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}
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}
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retval = rte_eth_dev_start(port);
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if (retval < 0) {
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printf("port %d start failed\n", port);
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return retval;
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}
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rte_eth_macaddr_get(port, &vmdq_ports_eth_addr[port]);
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printf("Port %u MAC: %02"PRIx8" %02"PRIx8" %02"PRIx8
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" %02"PRIx8" %02"PRIx8" %02"PRIx8"\n",
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(unsigned)port,
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vmdq_ports_eth_addr[port].addr_bytes[0],
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vmdq_ports_eth_addr[port].addr_bytes[1],
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vmdq_ports_eth_addr[port].addr_bytes[2],
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vmdq_ports_eth_addr[port].addr_bytes[3],
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vmdq_ports_eth_addr[port].addr_bytes[4],
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vmdq_ports_eth_addr[port].addr_bytes[5]);
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/*
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* Set mac for each pool.
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* There is no default mac for the pools in i40.
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* Removes this after i40e fixes this issue.
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*/
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for (q = 0; q < num_pools; q++) {
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struct ether_addr mac;
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mac = pool_addr_template;
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mac.addr_bytes[4] = port;
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mac.addr_bytes[5] = q;
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printf("Port %u vmdq pool %u set mac %02x:%02x:%02x:%02x:%02x:%02x\n",
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port, q,
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mac.addr_bytes[0], mac.addr_bytes[1],
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mac.addr_bytes[2], mac.addr_bytes[3],
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mac.addr_bytes[4], mac.addr_bytes[5]);
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retval = rte_eth_dev_mac_addr_add(port, &mac,
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q + vmdq_pool_base);
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if (retval) {
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printf("mac addr add failed at pool %d\n", q);
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return retval;
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}
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}
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return 0;
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}
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/* Check num_pools parameter and set it if OK*/
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static int
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vmdq_parse_num_pools(const char *q_arg)
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{
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char *end = NULL;
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int n;
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/* parse number string */
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n = strtol(q_arg, &end, 10);
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if ((q_arg[0] == '\0') || (end == NULL) || (*end != '\0'))
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return -1;
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if (num_pools > num_vlans) {
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printf("num_pools %d > num_vlans %d\n", num_pools, num_vlans);
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return -1;
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}
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num_pools = n;
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return 0;
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}
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static int
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parse_portmask(const char *portmask)
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{
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char *end = NULL;
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unsigned long pm;
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/* parse hexadecimal string */
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pm = strtoul(portmask, &end, 16);
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if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
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return -1;
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if (pm == 0)
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return -1;
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return pm;
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}
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/* Display usage */
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static void
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vmdq_usage(const char *prgname)
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{
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printf("%s [EAL options] -- -p PORTMASK]\n"
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" --nb-pools NP: number of pools\n",
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prgname);
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}
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/* Parse the argument (num_pools) given in the command line of the application */
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static int
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vmdq_parse_args(int argc, char **argv)
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{
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int opt;
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int option_index;
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unsigned i;
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const char *prgname = argv[0];
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static struct option long_option[] = {
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{"nb-pools", required_argument, NULL, 0},
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{NULL, 0, 0, 0}
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};
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/* Parse command line */
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while ((opt = getopt_long(argc, argv, "p:", long_option,
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&option_index)) != EOF) {
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switch (opt) {
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/* portmask */
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case 'p':
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enabled_port_mask = parse_portmask(optarg);
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if (enabled_port_mask == 0) {
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printf("invalid portmask\n");
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vmdq_usage(prgname);
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return -1;
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}
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break;
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case 0:
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if (vmdq_parse_num_pools(optarg) == -1) {
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printf("invalid number of pools\n");
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vmdq_usage(prgname);
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return -1;
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}
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break;
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default:
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vmdq_usage(prgname);
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return -1;
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}
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}
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for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
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if (enabled_port_mask & (1 << i))
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ports[num_ports++] = (uint8_t)i;
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}
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if (num_ports < 2 || num_ports % 2) {
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printf("Current enabled port number is %u,"
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"but it should be even and at least 2\n", num_ports);
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return -1;
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}
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return 0;
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}
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static void
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update_mac_address(struct rte_mbuf *m, unsigned dst_port)
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{
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struct ether_hdr *eth;
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void *tmp;
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eth = rte_pktmbuf_mtod(m, struct ether_hdr *);
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/* 02:00:00:00:00:xx */
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tmp = ð->d_addr.addr_bytes[0];
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*((uint64_t *)tmp) = 0x000000000002 + ((uint64_t)dst_port << 40);
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/* src addr */
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ether_addr_copy(&vmdq_ports_eth_addr[dst_port], ð->s_addr);
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}
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/* When we receive a HUP signal, print out our stats */
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static void
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sighup_handler(int signum)
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{
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unsigned q;
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for (q = 0; q < num_queues; q++) {
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if (q % (num_queues/num_pools) == 0)
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printf("\nPool %u: ", q/(num_queues/num_pools));
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printf("%lu ", rxPackets[q]);
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}
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printf("\nFinished handling signal %d\n", signum);
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}
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/*
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* Main thread that does the work, reading from INPUT_PORT
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* and writing to OUTPUT_PORT
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*/
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static int
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lcore_main(__attribute__((__unused__)) void *dummy)
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{
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const uint16_t lcore_id = (uint16_t)rte_lcore_id();
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const uint16_t num_cores = (uint16_t)rte_lcore_count();
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uint16_t core_id = 0;
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uint16_t startQueue, endQueue;
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uint16_t q, i, p;
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const uint16_t remainder = (uint16_t)(num_vmdq_queues % num_cores);
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for (i = 0; i < num_cores; i++)
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if (lcore_ids[i] == lcore_id) {
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core_id = i;
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break;
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}
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if (remainder != 0) {
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if (core_id < remainder) {
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startQueue = (uint16_t)(core_id *
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(num_vmdq_queues / num_cores + 1));
|
|
endQueue = (uint16_t)(startQueue +
|
|
(num_vmdq_queues / num_cores) + 1);
|
|
} else {
|
|
startQueue = (uint16_t)(core_id *
|
|
(num_vmdq_queues / num_cores) +
|
|
remainder);
|
|
endQueue = (uint16_t)(startQueue +
|
|
(num_vmdq_queues / num_cores));
|
|
}
|
|
} else {
|
|
startQueue = (uint16_t)(core_id *
|
|
(num_vmdq_queues / num_cores));
|
|
endQueue = (uint16_t)(startQueue +
|
|
(num_vmdq_queues / num_cores));
|
|
}
|
|
|
|
/* vmdq queue idx doesn't always start from zero.*/
|
|
startQueue += vmdq_queue_base;
|
|
endQueue += vmdq_queue_base;
|
|
printf("core %u(lcore %u) reading queues %i-%i\n", (unsigned)core_id,
|
|
(unsigned)lcore_id, startQueue, endQueue - 1);
|
|
|
|
if (startQueue == endQueue) {
|
|
printf("lcore %u has nothing to do\n", lcore_id);
|
|
return 0;
|
|
}
|
|
|
|
for (;;) {
|
|
struct rte_mbuf *buf[MAX_PKT_BURST];
|
|
const uint16_t buf_size = sizeof(buf) / sizeof(buf[0]);
|
|
|
|
for (p = 0; p < num_ports; p++) {
|
|
const uint8_t sport = ports[p];
|
|
/* 0 <-> 1, 2 <-> 3 etc */
|
|
const uint8_t dport = ports[p ^ 1];
|
|
if ((sport == INVALID_PORT_ID) || (dport == INVALID_PORT_ID))
|
|
continue;
|
|
|
|
for (q = startQueue; q < endQueue; q++) {
|
|
const uint16_t rxCount = rte_eth_rx_burst(sport,
|
|
q, buf, buf_size);
|
|
|
|
if (unlikely(rxCount == 0))
|
|
continue;
|
|
|
|
rxPackets[q] += rxCount;
|
|
|
|
for (i = 0; i < rxCount; i++)
|
|
update_mac_address(buf[i], dport);
|
|
|
|
const uint16_t txCount = rte_eth_tx_burst(dport,
|
|
vmdq_queue_base + core_id,
|
|
buf,
|
|
rxCount);
|
|
|
|
if (txCount != rxCount) {
|
|
for (i = txCount; i < rxCount; i++)
|
|
rte_pktmbuf_free(buf[i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Update the global var NUM_PORTS and array PORTS according to system ports number
|
|
* and return valid ports number
|
|
*/
|
|
static unsigned check_ports_num(unsigned nb_ports)
|
|
{
|
|
unsigned valid_num_ports = num_ports;
|
|
unsigned portid;
|
|
|
|
if (num_ports > nb_ports) {
|
|
printf("\nSpecified port number(%u) exceeds total system port number(%u)\n",
|
|
num_ports, nb_ports);
|
|
num_ports = nb_ports;
|
|
}
|
|
|
|
for (portid = 0; portid < num_ports; portid++) {
|
|
if (ports[portid] >= nb_ports) {
|
|
printf("\nSpecified port ID(%u) exceeds max system port ID(%u)\n",
|
|
ports[portid], (nb_ports - 1));
|
|
ports[portid] = INVALID_PORT_ID;
|
|
valid_num_ports--;
|
|
}
|
|
}
|
|
return valid_num_ports;
|
|
}
|
|
|
|
/* Main function, does initialisation and calls the per-lcore functions */
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
struct rte_mempool *mbuf_pool;
|
|
unsigned lcore_id, core_id = 0;
|
|
int ret;
|
|
unsigned nb_ports, valid_num_ports;
|
|
uint8_t portid;
|
|
|
|
signal(SIGHUP, sighup_handler);
|
|
|
|
/* init EAL */
|
|
ret = rte_eal_init(argc, argv);
|
|
if (ret < 0)
|
|
rte_exit(EXIT_FAILURE, "Error with EAL initialization\n");
|
|
argc -= ret;
|
|
argv += ret;
|
|
|
|
/* parse app arguments */
|
|
ret = vmdq_parse_args(argc, argv);
|
|
if (ret < 0)
|
|
rte_exit(EXIT_FAILURE, "Invalid VMDQ argument\n");
|
|
|
|
for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++)
|
|
if (rte_lcore_is_enabled(lcore_id))
|
|
lcore_ids[core_id++] = lcore_id;
|
|
|
|
if (rte_lcore_count() > RTE_MAX_LCORE)
|
|
rte_exit(EXIT_FAILURE, "Not enough cores\n");
|
|
|
|
nb_ports = rte_eth_dev_count();
|
|
|
|
/*
|
|
* Update the global var NUM_PORTS and global array PORTS
|
|
* and get value of var VALID_NUM_PORTS according to system ports number
|
|
*/
|
|
valid_num_ports = check_ports_num(nb_ports);
|
|
|
|
if (valid_num_ports < 2 || valid_num_ports % 2) {
|
|
printf("Current valid ports number is %u\n", valid_num_ports);
|
|
rte_exit(EXIT_FAILURE, "Error with valid ports number is not even or less than 2\n");
|
|
}
|
|
|
|
mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL",
|
|
NUM_MBUFS_PER_PORT * nb_ports, MBUF_CACHE_SIZE,
|
|
0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
|
|
if (mbuf_pool == NULL)
|
|
rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
|
|
|
|
/* 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;
|
|
}
|
|
if (port_init(portid, mbuf_pool) != 0)
|
|
rte_exit(EXIT_FAILURE, "Cannot initialize network ports\n");
|
|
}
|
|
|
|
/* call lcore_main() on every lcore */
|
|
rte_eal_mp_remote_launch(lcore_main, NULL, CALL_MASTER);
|
|
RTE_LCORE_FOREACH_SLAVE(lcore_id) {
|
|
if (rte_eal_wait_lcore(lcore_id) < 0)
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|