371 lines
12 KiB
C
371 lines
12 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 <memory.h>
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#include <rte_log.h>
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#include <rte_mbuf.h>
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#include <rte_debug.h>
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#include <rte_ethdev.h>
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#include <rte_mempool.h>
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#include <rte_sched.h>
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#include <rte_cycles.h>
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#include <rte_string_fns.h>
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#include <rte_cfgfile.h>
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#include "main.h"
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#include "cfg_file.h"
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uint32_t app_numa_mask = 0;
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static uint32_t app_inited_port_mask = 0;
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int app_pipe_to_profile[MAX_SCHED_SUBPORTS][MAX_SCHED_PIPES];
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#define MAX_NAME_LEN 32
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struct ring_conf ring_conf = {
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.rx_size = APP_RX_DESC_DEFAULT,
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.ring_size = APP_RING_SIZE,
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.tx_size = APP_TX_DESC_DEFAULT,
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};
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struct burst_conf burst_conf = {
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.rx_burst = MAX_PKT_RX_BURST,
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.ring_burst = PKT_ENQUEUE,
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.qos_dequeue = PKT_DEQUEUE,
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.tx_burst = MAX_PKT_TX_BURST,
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};
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struct ring_thresh rx_thresh = {
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.pthresh = RX_PTHRESH,
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.hthresh = RX_HTHRESH,
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.wthresh = RX_WTHRESH,
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};
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struct ring_thresh tx_thresh = {
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.pthresh = TX_PTHRESH,
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.hthresh = TX_HTHRESH,
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.wthresh = TX_WTHRESH,
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};
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uint32_t nb_pfc;
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const char *cfg_profile = NULL;
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int mp_size = NB_MBUF;
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struct flow_conf qos_conf[MAX_DATA_STREAMS];
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static const struct rte_eth_conf port_conf = {
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.rxmode = {
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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 = 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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.hw_strip_crc = 0, /**< CRC stripped by hardware */
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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 int
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app_init_port(uint8_t portid, struct rte_mempool *mp)
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{
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int ret;
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struct rte_eth_link link;
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struct rte_eth_rxconf rx_conf;
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struct rte_eth_txconf tx_conf;
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/* check if port already initialized (multistream configuration) */
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if (app_inited_port_mask & (1u << portid))
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return 0;
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rx_conf.rx_thresh.pthresh = rx_thresh.pthresh;
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rx_conf.rx_thresh.hthresh = rx_thresh.hthresh;
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rx_conf.rx_thresh.wthresh = rx_thresh.wthresh;
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rx_conf.rx_free_thresh = 32;
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rx_conf.rx_drop_en = 0;
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tx_conf.tx_thresh.pthresh = tx_thresh.pthresh;
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tx_conf.tx_thresh.hthresh = tx_thresh.hthresh;
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tx_conf.tx_thresh.wthresh = tx_thresh.wthresh;
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tx_conf.tx_free_thresh = 0;
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tx_conf.tx_rs_thresh = 0;
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tx_conf.txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS | ETH_TXQ_FLAGS_NOOFFLOADS;
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/* init port */
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RTE_LOG(INFO, APP, "Initializing port %"PRIu8"... ", portid);
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fflush(stdout);
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ret = rte_eth_dev_configure(portid, 1, 1, &port_conf);
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if (ret < 0)
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rte_exit(EXIT_FAILURE, "Cannot configure device: "
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"err=%d, port=%"PRIu8"\n", ret, portid);
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/* init one RX queue */
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fflush(stdout);
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ret = rte_eth_rx_queue_setup(portid, 0, (uint16_t)ring_conf.rx_size,
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rte_eth_dev_socket_id(portid), &rx_conf, mp);
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if (ret < 0)
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rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: "
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"err=%d, port=%"PRIu8"\n", ret, portid);
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/* init one TX queue */
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fflush(stdout);
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ret = rte_eth_tx_queue_setup(portid, 0,
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(uint16_t)ring_conf.tx_size, rte_eth_dev_socket_id(portid), &tx_conf);
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if (ret < 0)
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rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: err=%d, "
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"port=%"PRIu8" queue=%d\n", ret, portid, 0);
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/* Start device */
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ret = rte_eth_dev_start(portid);
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if (ret < 0)
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rte_exit(EXIT_FAILURE, "rte_pmd_port_start: "
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"err=%d, port=%"PRIu8"\n", ret, portid);
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printf("done: ");
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/* get link status */
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rte_eth_link_get(portid, &link);
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if (link.link_status) {
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printf(" Link Up - speed %u Mbps - %s\n",
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(uint32_t) link.link_speed,
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(link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
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("full-duplex") : ("half-duplex\n"));
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} else {
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printf(" Link Down\n");
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}
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rte_eth_promiscuous_enable(portid);
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/* mark port as initialized */
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app_inited_port_mask |= 1u << portid;
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return 0;
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}
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static struct rte_sched_subport_params subport_params[MAX_SCHED_SUBPORTS] = {
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{
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.tb_rate = 1250000000,
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.tb_size = 1000000,
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.tc_rate = {1250000000, 1250000000, 1250000000, 1250000000},
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.tc_period = 10,
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},
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};
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static struct rte_sched_pipe_params pipe_profiles[RTE_SCHED_PIPE_PROFILES_PER_PORT] = {
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{ /* Profile #0 */
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.tb_rate = 305175,
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.tb_size = 1000000,
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.tc_rate = {305175, 305175, 305175, 305175},
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.tc_period = 40,
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#ifdef RTE_SCHED_SUBPORT_TC_OV
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.tc_ov_weight = 1,
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#endif
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.wrr_weights = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
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},
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};
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struct rte_sched_port_params port_params = {
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.name = "port_scheduler_0",
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.socket = 0, /* computed */
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.rate = 0, /* computed */
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.mtu = 6 + 6 + 4 + 4 + 2 + 1500,
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.frame_overhead = RTE_SCHED_FRAME_OVERHEAD_DEFAULT,
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.n_subports_per_port = 1,
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.n_pipes_per_subport = 4096,
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.qsize = {64, 64, 64, 64},
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.pipe_profiles = pipe_profiles,
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.n_pipe_profiles = sizeof(pipe_profiles) / sizeof(struct rte_sched_pipe_params),
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#ifdef RTE_SCHED_RED
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.red_params = {
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/* Traffic Class 0 Colors Green / Yellow / Red */
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[0][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
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[0][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
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[0][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
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/* Traffic Class 1 - Colors Green / Yellow / Red */
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[1][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
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[1][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
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[1][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
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/* Traffic Class 2 - Colors Green / Yellow / Red */
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[2][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
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[2][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
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[2][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
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/* Traffic Class 3 - Colors Green / Yellow / Red */
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[3][0] = {.min_th = 48, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
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[3][1] = {.min_th = 40, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9},
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[3][2] = {.min_th = 32, .max_th = 64, .maxp_inv = 10, .wq_log2 = 9}
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}
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#endif /* RTE_SCHED_RED */
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};
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static struct rte_sched_port *
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app_init_sched_port(uint32_t portid, uint32_t socketid)
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{
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static char port_name[32]; /* static as referenced from global port_params*/
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struct rte_eth_link link;
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struct rte_sched_port *port = NULL;
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uint32_t pipe, subport;
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int err;
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rte_eth_link_get((uint8_t)portid, &link);
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port_params.socket = socketid;
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port_params.rate = (uint64_t) link.link_speed * 1000 * 1000 / 8;
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snprintf(port_name, sizeof(port_name), "port_%d", portid);
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port_params.name = port_name;
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port = rte_sched_port_config(&port_params);
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if (port == NULL){
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rte_exit(EXIT_FAILURE, "Unable to config sched port\n");
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}
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for (subport = 0; subport < port_params.n_subports_per_port; subport ++) {
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err = rte_sched_subport_config(port, subport, &subport_params[subport]);
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if (err) {
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rte_exit(EXIT_FAILURE, "Unable to config sched subport %u, err=%d\n",
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subport, err);
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}
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for (pipe = 0; pipe < port_params.n_pipes_per_subport; pipe ++) {
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if (app_pipe_to_profile[subport][pipe] != -1) {
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err = rte_sched_pipe_config(port, subport, pipe,
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app_pipe_to_profile[subport][pipe]);
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if (err) {
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rte_exit(EXIT_FAILURE, "Unable to config sched pipe %u "
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"for profile %d, err=%d\n", pipe,
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app_pipe_to_profile[subport][pipe], err);
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}
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}
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}
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}
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return port;
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}
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static int
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app_load_cfg_profile(const char *profile)
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{
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if (profile == NULL)
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return 0;
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struct rte_cfgfile *file = rte_cfgfile_load(profile, 0);
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if (file == NULL)
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rte_exit(EXIT_FAILURE, "Cannot load configuration profile %s\n", profile);
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cfg_load_port(file, &port_params);
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cfg_load_subport(file, subport_params);
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cfg_load_pipe(file, pipe_profiles);
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rte_cfgfile_close(file);
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return 0;
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}
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int app_init(void)
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{
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uint32_t i;
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char ring_name[MAX_NAME_LEN];
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char pool_name[MAX_NAME_LEN];
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if (rte_eth_dev_count() == 0)
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rte_exit(EXIT_FAILURE, "No Ethernet port - bye\n");
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/* load configuration profile */
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if (app_load_cfg_profile(cfg_profile) != 0)
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rte_exit(EXIT_FAILURE, "Invalid configuration profile\n");
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/* Initialize each active flow */
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for(i = 0; i < nb_pfc; i++) {
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uint32_t socket = rte_lcore_to_socket_id(qos_conf[i].rx_core);
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struct rte_ring *ring;
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snprintf(ring_name, MAX_NAME_LEN, "ring-%u-%u", i, qos_conf[i].rx_core);
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ring = rte_ring_lookup(ring_name);
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if (ring == NULL)
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qos_conf[i].rx_ring = rte_ring_create(ring_name, ring_conf.ring_size,
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socket, RING_F_SP_ENQ | RING_F_SC_DEQ);
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else
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qos_conf[i].rx_ring = ring;
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snprintf(ring_name, MAX_NAME_LEN, "ring-%u-%u", i, qos_conf[i].tx_core);
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ring = rte_ring_lookup(ring_name);
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if (ring == NULL)
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qos_conf[i].tx_ring = rte_ring_create(ring_name, ring_conf.ring_size,
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socket, RING_F_SP_ENQ | RING_F_SC_DEQ);
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else
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qos_conf[i].tx_ring = ring;
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/* create the mbuf pools for each RX Port */
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snprintf(pool_name, MAX_NAME_LEN, "mbuf_pool%u", i);
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qos_conf[i].mbuf_pool = rte_pktmbuf_pool_create(pool_name,
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mp_size, burst_conf.rx_burst * 4, 0,
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RTE_MBUF_DEFAULT_BUF_SIZE,
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rte_eth_dev_socket_id(qos_conf[i].rx_port));
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if (qos_conf[i].mbuf_pool == NULL)
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rte_exit(EXIT_FAILURE, "Cannot init mbuf pool for socket %u\n", i);
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app_init_port(qos_conf[i].rx_port, qos_conf[i].mbuf_pool);
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app_init_port(qos_conf[i].tx_port, qos_conf[i].mbuf_pool);
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qos_conf[i].sched_port = app_init_sched_port(qos_conf[i].tx_port, socket);
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}
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RTE_LOG(INFO, APP, "time stamp clock running at %" PRIu64 " Hz\n",
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rte_get_timer_hz());
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RTE_LOG(INFO, APP, "Ring sizes: NIC RX = %u, Mempool = %d SW queue = %u,"
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"NIC TX = %u\n", ring_conf.rx_size, mp_size, ring_conf.ring_size,
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ring_conf.tx_size);
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RTE_LOG(INFO, APP, "Burst sizes: RX read = %hu, RX write = %hu,\n"
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" Worker read/QoS enqueue = %hu,\n"
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" QoS dequeue = %hu, Worker write = %hu\n",
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burst_conf.rx_burst, burst_conf.ring_burst, burst_conf.ring_burst,
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burst_conf.qos_dequeue, burst_conf.tx_burst);
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RTE_LOG(INFO, APP, "NIC thresholds RX (p = %hhu, h = %hhu, w = %hhu),"
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"TX (p = %hhu, h = %hhu, w = %hhu)\n",
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rx_thresh.pthresh, rx_thresh.hthresh, rx_thresh.wthresh,
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tx_thresh.pthresh, tx_thresh.hthresh, tx_thresh.wthresh);
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return 0;
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}
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