examples/load_balancer: convert to new ethdev offloads API
[dpdk.git] / examples / load_balancer / init.c
index 2f00a70..8d8dbe6 100644 (file)
@@ -1,34 +1,5 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2014 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) 2010-2014 Intel Corporation
  */
 
 #include <stdio.h>
 #include <rte_log.h>
 #include <rte_memory.h>
 #include <rte_memcpy.h>
-#include <rte_memzone.h>
-#include <rte_tailq.h>
 #include <rte_eal.h>
-#include <rte_per_lcore.h>
 #include <rte_launch.h>
 #include <rte_atomic.h>
 #include <rte_cycles.h>
@@ -59,7 +27,6 @@
 #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>
@@ -78,11 +45,9 @@ static struct rte_eth_conf port_conf = {
        .rxmode = {
                .mq_mode        = ETH_MQ_RX_RSS,
                .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   = 0, /**< CRC stripped by hardware */
+               .ignore_offload_bitfield = 1,
+               .offloads = (DEV_RX_OFFLOAD_CHECKSUM |
+                            DEV_RX_OFFLOAD_CRC_STRIP),
        },
        .rx_adv_conf = {
                .rss_conf = {
@@ -95,26 +60,6 @@ static struct rte_eth_conf port_conf = {
        },
 };
 
-static struct rte_eth_rxconf rx_conf = {
-       .rx_thresh = {
-               .pthresh = APP_DEFAULT_NIC_RX_PTHRESH,
-               .hthresh = APP_DEFAULT_NIC_RX_HTHRESH,
-               .wthresh = APP_DEFAULT_NIC_RX_WTHRESH,
-       },
-       .rx_free_thresh = APP_DEFAULT_NIC_RX_FREE_THRESH,
-       .rx_drop_en = APP_DEFAULT_NIC_RX_DROP_EN,
-};
-
-static struct rte_eth_txconf tx_conf = {
-       .tx_thresh = {
-               .pthresh = APP_DEFAULT_NIC_TX_PTHRESH,
-               .hthresh = APP_DEFAULT_NIC_TX_HTHRESH,
-               .wthresh = APP_DEFAULT_NIC_TX_WTHRESH,
-       },
-       .tx_free_thresh = APP_DEFAULT_NIC_TX_FREE_THRESH,
-       .tx_rs_thresh = APP_DEFAULT_NIC_TX_RS_THRESH,
-};
-
 static void
 app_assign_worker_ids(void)
 {
@@ -148,16 +93,10 @@ app_init_mbuf_pools(void)
 
                snprintf(name, sizeof(name), "mbuf_pool_%u", socket);
                printf("Creating the mbuf pool for socket %u ...\n", socket);
-               app.pools[socket] = rte_mempool_create(
-                       name,
-                       APP_DEFAULT_MEMPOOL_BUFFERS,
-                       APP_DEFAULT_MBUF_SIZE,
+               app.pools[socket] = rte_pktmbuf_pool_create(
+                       name, APP_DEFAULT_MEMPOOL_BUFFERS,
                        APP_DEFAULT_MEMPOOL_CACHE_SIZE,
-                       sizeof(struct rte_pktmbuf_pool_private),
-                       rte_pktmbuf_pool_init, NULL,
-                       rte_pktmbuf_init, NULL,
-                       socket,
-                       0);
+                       0, APP_DEFAULT_MBUF_DATA_SIZE, socket);
                if (app.pools[socket] == NULL) {
                        rte_panic("Cannot create mbuf pool on socket %u\n", socket);
                }
@@ -187,13 +126,17 @@ app_init_lpm_tables(void)
                        continue;
                }
 
+               struct rte_lpm_config lpm_config;
+
+               lpm_config.max_rules = APP_MAX_LPM_RULES;
+               lpm_config.number_tbl8s = 256;
+               lpm_config.flags = 0;
                snprintf(name, sizeof(name), "lpm_table_%u", socket);
                printf("Creating the LPM table for socket %u ...\n", socket);
                app.lpm_tables[socket] = rte_lpm_create(
                        name,
                        socket,
-                       APP_MAX_LPM_RULES,
-                       0);
+                       &lpm_config);
                if (app.lpm_tables[socket] == NULL) {
                        rte_panic("Unable to create LPM table on socket %u\n", socket);
                }
@@ -332,7 +275,7 @@ app_init_rings_tx(void)
                                continue;
                        }
 
-                       if (app_get_lcore_for_nic_tx((uint8_t) port, &lcore_io) < 0) {
+                       if (app_get_lcore_for_nic_tx(port, &lcore_io) < 0) {
                                rte_panic("Algorithmic error (no I/O core to handle TX of port %u)\n",
                                        port);
                        }
@@ -383,11 +326,12 @@ app_init_rings_tx(void)
 
 /* Check the link status of all ports in up to 9s, and print them finally */
 static void
-check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
+check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
 {
 #define CHECK_INTERVAL 100 /* 100ms */
 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
-       uint8_t portid, count, all_ports_up, print_flag = 0;
+       uint16_t portid;
+       uint8_t count, all_ports_up, print_flag = 0;
        struct rte_eth_link link;
        uint32_t n_rx_queues, n_tx_queues;
 
@@ -407,18 +351,17 @@ check_all_ports_link_status(uint8_t port_num, uint32_t port_mask)
                        /* print link status if flag set */
                        if (print_flag == 1) {
                                if (link.link_status)
-                                       printf("Port %d Link Up - speed %u "
-                                               "Mbps - %s\n", (uint8_t)portid,
-                                               (unsigned)link.link_speed,
+                                       printf(
+                                       "Port%d Link Up - speed %uMbps - %s\n",
+                                               portid, link.link_speed,
                                (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
                                        ("full-duplex") : ("half-duplex\n"));
                                else
-                                       printf("Port %d Link Down\n",
-                                                       (uint8_t)portid);
+                                       printf("Port %d Link Down\n", portid);
                                continue;
                        }
                        /* clear all_ports_up flag if any link down */
-                       if (link.link_status == 0) {
+                       if (link.link_status == ETH_LINK_DOWN) {
                                all_ports_up = 0;
                                break;
                        }
@@ -446,17 +389,20 @@ app_init_nics(void)
 {
        unsigned socket;
        uint32_t lcore;
-       uint8_t port, queue;
+       uint16_t port;
+       uint8_t queue;
        int ret;
        uint32_t n_rx_queues, n_tx_queues;
 
-       if (rte_eal_pci_probe() < 0) {
-               rte_panic("Cannot probe PCI\n");
-       }
-
        /* Init NIC ports and queues, then start the ports */
        for (port = 0; port < APP_MAX_NIC_PORTS; port ++) {
                struct rte_mempool *pool;
+               uint16_t nic_rx_ring_size;
+               uint16_t nic_tx_ring_size;
+               struct rte_eth_rxconf rxq_conf;
+               struct rte_eth_txconf txq_conf;
+               struct rte_eth_dev_info dev_info;
+               struct rte_eth_conf local_port_conf = port_conf;
 
                n_rx_queues = app_get_nic_rx_queues_per_port(port);
                n_tx_queues = app.nic_tx_port_mask[port];
@@ -466,17 +412,34 @@ app_init_nics(void)
                }
 
                /* Init port */
-               printf("Initializing NIC port %u ...\n", (unsigned) port);
+               printf("Initializing NIC port %u ...\n", port);
+               rte_eth_dev_info_get(port, &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(
                        port,
                        (uint8_t) n_rx_queues,
                        (uint8_t) n_tx_queues,
-                       &port_conf);
+                       &local_port_conf);
                if (ret < 0) {
-                       rte_panic("Cannot init NIC port %u (%d)\n", (unsigned) port, ret);
+                       rte_panic("Cannot init NIC port %u (%d)\n", port, ret);
                }
                rte_eth_promiscuous_enable(port);
 
+               nic_rx_ring_size = app.nic_rx_ring_size;
+               nic_tx_ring_size = app.nic_tx_ring_size;
+               ret = rte_eth_dev_adjust_nb_rx_tx_desc(
+                       port, &nic_rx_ring_size, &nic_tx_ring_size);
+               if (ret < 0) {
+                       rte_panic("Cannot adjust number of descriptors for port %u (%d)\n",
+                                 port, ret);
+               }
+               app.nic_rx_ring_size = nic_rx_ring_size;
+               app.nic_tx_ring_size = nic_tx_ring_size;
+
+               rxq_conf = dev_info.default_rxconf;
+               rxq_conf.offloads = local_port_conf.rxmode.offloads;
                /* Init RX queues */
                for (queue = 0; queue < APP_MAX_RX_QUEUES_PER_NIC_PORT; queue ++) {
                        if (app.nic_rx_queue_mask[port][queue] == 0) {
@@ -488,35 +451,35 @@ app_init_nics(void)
                        pool = app.lcore_params[lcore].pool;
 
                        printf("Initializing NIC port %u RX queue %u ...\n",
-                               (unsigned) port,
-                               (unsigned) queue);
+                               port, queue);
                        ret = rte_eth_rx_queue_setup(
                                port,
                                queue,
                                (uint16_t) app.nic_rx_ring_size,
                                socket,
-                               &rx_conf,
+                               &rxq_conf,
                                pool);
                        if (ret < 0) {
                                rte_panic("Cannot init RX queue %u for port %u (%d)\n",
-                                       (unsigned) queue,
-                                       (unsigned) port,
-                                       ret);
+                                         queue, port, ret);
                        }
                }
 
+               txq_conf = dev_info.default_txconf;
+               txq_conf.txq_flags = ETH_TXQ_FLAGS_IGNORE;
+               txq_conf.offloads = local_port_conf.txmode.offloads;
                /* Init TX queues */
                if (app.nic_tx_port_mask[port] == 1) {
                        app_get_lcore_for_nic_tx(port, &lcore);
                        socket = rte_lcore_to_socket_id(lcore);
                        printf("Initializing NIC port %u TX queue 0 ...\n",
-                               (unsigned) port);
+                               port);
                        ret = rte_eth_tx_queue_setup(
                                port,
                                0,
                                (uint16_t) app.nic_tx_ring_size,
                                socket,
-                               &tx_conf);
+                               &txq_conf);
                        if (ret < 0) {
                                rte_panic("Cannot init TX queue 0 for port %d (%d)\n",
                                        port,