examples/l2fwd-jobstats: convert to new ethdev offloads API
[dpdk.git] / examples / l3fwd-power / main.c
index 8a8f34b..dd9e014 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>
@@ -50,7 +21,6 @@
 #include <rte_malloc.h>
 #include <rte_memory.h>
 #include <rte_memcpy.h>
-#include <rte_memzone.h>
 #include <rte_eal.h>
 #include <rte_launch.h>
 #include <rte_atomic.h>
@@ -60,7 +30,6 @@
 #include <rte_per_lcore.h>
 #include <rte_branch_prediction.h>
 #include <rte_interrupts.h>
-#include <rte_pci.h>
 #include <rte_random.h>
 #include <rte_debug.h>
 #include <rte_ether.h>
@@ -81,8 +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 */
@@ -233,7 +200,6 @@ static struct rte_eth_conf port_conf = {
                .mq_mode = ETH_MQ_TX_NONE,
        },
        .intr_conf = {
-               .lsc = 1,
                .rxq = 1,
        },
 };
@@ -451,7 +417,7 @@ power_timer_cb(__attribute__((unused)) struct rte_timer *tim,
 
 /* Enqueue a single packet, and send burst if queue is filled */
 static inline int
-send_single_packet(struct rte_mbuf *m, uint8_t port)
+send_single_packet(struct rte_mbuf *m, uint16_t port)
 {
        uint32_t lcore_id;
        struct lcore_conf *qconf;
@@ -659,7 +625,7 @@ add_cb_parse_ptype(uint16_t portid, uint16_t queueid)
 }
 
 static inline void
-l3fwd_simple_forward(struct rte_mbuf *m, uint8_t portid,
+l3fwd_simple_forward(struct rte_mbuf *m, uint16_t portid,
                                struct lcore_conf *qconf)
 {
        struct ether_hdr *eth_hdr;
@@ -752,8 +718,6 @@ power_idle_heuristic(uint32_t zero_rx_packet_count)
        */
        else
                return SUSPEND_THRESHOLD;
-
-       return 0;
 }
 
 static inline enum freq_scale_hint_t
@@ -761,6 +725,7 @@ 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
@@ -772,15 +737,12 @@ 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)) {
@@ -879,7 +841,7 @@ 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;
@@ -894,6 +856,8 @@ 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];
@@ -939,7 +903,7 @@ 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;
                }
@@ -1055,9 +1019,11 @@ 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;
                }
@@ -1115,7 +1081,7 @@ check_port_config(const unsigned nb_ports)
 }
 
 static uint8_t
-get_port_n_rx_queues(const uint8_t port)
+get_port_n_rx_queues(const uint16_t port)
 {
        int queue = -1;
        uint16_t i;
@@ -1599,7 +1565,7 @@ check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
        }
 }
 
-static int check_ptype(uint8_t portid)
+static int check_ptype(uint16_t portid)
 {
        int i, ret;
        int ptype_l3_ipv4 = 0;
@@ -1650,7 +1616,7 @@ main(int argc, char **argv)
        struct rte_eth_dev_info dev_info;
        struct rte_eth_txconf *txconf;
        int ret;
-       unsigned nb_ports;
+       uint16_t nb_ports;
        uint16_t queueid;
        unsigned lcore_id;
        uint64_t hz;
@@ -1877,7 +1843,7 @@ main(int argc, char **argv)
                rte_spinlock_init(&(locks[portid]));
        }
 
-       check_all_ports_link_status((uint8_t)nb_ports, enabled_port_mask);
+       check_all_ports_link_status(nb_ports, enabled_port_mask);
 
        /* launch per-lcore init on every lcore */
        rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);