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-rw-r--r--examples/l3fwd-power/main.c104
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,