diff options
Diffstat (limited to 'examples/l3fwd-power/main.c')
| -rw-r--r-- | examples/l3fwd-power/main.c | 104 |
1 files changed, 43 insertions, 61 deletions
diff --git a/examples/l3fwd-power/main.c b/examples/l3fwd-power/main.c index 0a4ed145..b2a7c79e 100644 --- a/examples/l3fwd-power/main.c +++ b/examples/l3fwd-power/main.c @@ -1,34 +1,5 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2016 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2016 Intel Corporation */ #include <stdio.h> @@ -79,8 +50,6 @@ #define MIN_ZERO_POLL_COUNT 10 -/* around 100ms at 2 Ghz */ -#define TIMER_RESOLUTION_CYCLES 200000000ULL /* 100 ms interval */ #define TIMER_NUMBER_PER_SECOND 10 /* 100000 us */ @@ -143,8 +112,8 @@ /* * Configurable number of RX/TX ring descriptors */ -#define RTE_TEST_RX_DESC_DEFAULT 512 -#define RTE_TEST_TX_DESC_DEFAULT 512 +#define RTE_TEST_RX_DESC_DEFAULT 1024 +#define RTE_TEST_TX_DESC_DEFAULT 1024 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT; static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT; @@ -215,11 +184,9 @@ static struct rte_eth_conf port_conf = { .mq_mode = ETH_MQ_RX_RSS, .max_rx_pkt_len = ETHER_MAX_LEN, .split_hdr_size = 0, - .header_split = 0, /**< Header Split disabled */ - .hw_ip_checksum = 1, /**< IP checksum offload enabled */ - .hw_vlan_filter = 0, /**< VLAN filtering disabled */ - .jumbo_frame = 0, /**< Jumbo Frame Support disabled */ - .hw_strip_crc = 1, /**< CRC stripped by hardware */ + .ignore_offload_bitfield = 1, + .offloads = (DEV_RX_OFFLOAD_CRC_STRIP | + DEV_RX_OFFLOAD_CHECKSUM), }, .rx_adv_conf = { .rss_conf = { @@ -231,7 +198,6 @@ static struct rte_eth_conf port_conf = { .mq_mode = ETH_MQ_TX_NONE, }, .intr_conf = { - .lsc = 1, .rxq = 1, }, }; @@ -757,6 +723,7 @@ power_freq_scaleup_heuristic(unsigned lcore_id, uint16_t port_id, uint16_t queue_id) { + uint32_t rxq_count = rte_eth_rx_queue_count(port_id, queue_id); /** * HW Rx queue size is 128 by default, Rx burst read at maximum 32 entries * per iteration @@ -768,15 +735,12 @@ power_freq_scaleup_heuristic(unsigned lcore_id, #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)) { + if (likely(rxq_count > FREQ_GEAR3_RX_PACKET_THRESHOLD)) { 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)) + } else if (likely(rxq_count > FREQ_GEAR2_RX_PACKET_THRESHOLD)) 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)) + else if (likely(rxq_count > FREQ_GEAR1_RX_PACKET_THRESHOLD)) stats[lcore_id].trend += FREQ_UP_TREND1_ACC; if (likely(stats[lcore_id].trend > FREQ_UP_THRESHOLD)) { @@ -875,7 +839,7 @@ 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, diff_tsc, cur_tsc, tim_res_tsc, hz; uint64_t prev_tsc_power = 0, cur_tsc_power, diff_tsc_power; int i, j, nb_rx; uint8_t queueid; @@ -890,6 +854,8 @@ main_loop(__attribute__((unused)) void *dummy) const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1) / US_PER_S * BURST_TX_DRAIN_US; prev_tsc = 0; + hz = rte_get_timer_hz(); + tim_res_tsc = hz/TIMER_NUMBER_PER_SECOND; lcore_id = rte_lcore_id(); qconf = &lcore_conf[lcore_id]; @@ -935,7 +901,7 @@ main_loop(__attribute__((unused)) void *dummy) } diff_tsc_power = cur_tsc_power - prev_tsc_power; - if (diff_tsc_power > TIMER_RESOLUTION_CYCLES) { + if (diff_tsc_power > tim_res_tsc) { rte_timer_manage(); prev_tsc_power = cur_tsc_power; } @@ -1051,9 +1017,11 @@ start_rx: turn_on_intr(qconf); sleep_until_rx_interrupt( qconf->n_rx_queue); + /** + * start receiving packets immediately + */ + goto start_rx; } - /* start receiving packets immediately */ - goto start_rx; } stats[lcore_id].sleep_time += lcore_idle_hint; } @@ -1317,7 +1285,10 @@ parse_args(int argc, char **argv) 0, 0}; printf("jumbo frame is enabled \n"); - port_conf.rxmode.jumbo_frame = 1; + port_conf.rxmode.offloads |= + DEV_RX_OFFLOAD_JUMBO_FRAME; + port_conf.txmode.offloads |= + DEV_TX_OFFLOAD_MULTI_SEGS; /** * if no max-pkt-len set, use the default value @@ -1654,7 +1625,6 @@ main(int argc, char **argv) uint32_t dev_rxq_num, dev_txq_num; uint8_t nb_rx_queue, queue, socketid; uint16_t portid; - uint16_t org_rxq_intr = port_conf.intr_conf.rxq; /* catch SIGINT and restore cpufreq governor to ondemand */ signal(SIGINT, signal_exit_now); @@ -1690,6 +1660,8 @@ main(int argc, char **argv) /* initialize all ports */ for (portid = 0; portid < nb_ports; portid++) { + struct rte_eth_conf local_port_conf = port_conf; + /* skip ports that are not enabled */ if ((enabled_port_mask & (1 << portid)) == 0) { printf("\nSkipping disabled port %d\n", portid); @@ -1717,11 +1689,13 @@ main(int argc, char **argv) nb_rx_queue, (unsigned)n_tx_queue ); /* If number of Rx queue is 0, no need to enable Rx interrupt */ if (nb_rx_queue == 0) - port_conf.intr_conf.rxq = 0; + local_port_conf.intr_conf.rxq = 0; + rte_eth_dev_info_get(portid, &dev_info); + if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) + local_port_conf.txmode.offloads |= + DEV_TX_OFFLOAD_MBUF_FAST_FREE; ret = rte_eth_dev_configure(portid, nb_rx_queue, - (uint16_t)n_tx_queue, &port_conf); - /* Revert to original value */ - port_conf.intr_conf.rxq = org_rxq_intr; + (uint16_t)n_tx_queue, &local_port_conf); if (ret < 0) rte_exit(EXIT_FAILURE, "Cannot configure device: " "err=%d, port=%d\n", ret, portid); @@ -1776,10 +1750,9 @@ main(int argc, char **argv) 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; + txconf->txq_flags = ETH_TXQ_FLAGS_IGNORE; + txconf->offloads = local_port_conf.txmode.offloads; ret = rte_eth_tx_queue_setup(portid, queueid, nb_txd, socketid, txconf); if (ret < 0) @@ -1819,8 +1792,14 @@ main(int argc, char **argv) fflush(stdout); /* init RX queues */ for(queue = 0; queue < qconf->n_rx_queue; ++queue) { + struct rte_eth_rxconf rxq_conf; + struct rte_eth_dev *dev; + struct rte_eth_conf *conf; + portid = qconf->rx_queue_list[queue].port_id; queueid = qconf->rx_queue_list[queue].queue_id; + dev = &rte_eth_devices[portid]; + conf = &dev->data->dev_conf; if (numa_on) socketid = \ @@ -1831,8 +1810,11 @@ main(int argc, char **argv) printf("rxq=%d,%d,%d ", portid, queueid, socketid); fflush(stdout); + rte_eth_dev_info_get(portid, &dev_info); + rxq_conf = dev_info.default_rxconf; + rxq_conf.offloads = conf->rxmode.offloads; ret = rte_eth_rx_queue_setup(portid, queueid, nb_rxd, - socketid, NULL, + socketid, &rxq_conf, pktmbuf_pool[socketid]); if (ret < 0) rte_exit(EXIT_FAILURE, |