New upstream version 18.02
[deb_dpdk.git] / examples / l3fwd-power / main.c
index 0a4ed14..b2a7c79 100644 (file)
@@ -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 */
 /*
  * 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,