net/virtio: rationalize queue flushing
[dpdk.git] / examples / ip_pipeline / init.c
index d46bd36..55d246f 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 <inttypes.h>
@@ -49,6 +20,7 @@
 #include <rte_ip.h>
 #include <rte_eal.h>
 #include <rte_malloc.h>
+#include <rte_bus_pci.h>
 
 #include "app.h"
 #include "pipeline.h"
@@ -69,7 +41,8 @@ static void
 app_init_core_map(struct app_params *app)
 {
        APP_LOG(app, HIGH, "Initializing CPU core map ...");
-       app->core_map = cpu_core_map_init(4, 32, 4, 0);
+       app->core_map = cpu_core_map_init(RTE_MAX_NUMA_NODES, RTE_MAX_LCORE,
+                               4, 0);
 
        if (app->core_map == NULL)
                rte_panic("Cannot create CPU core map\n");
@@ -295,11 +268,6 @@ app_init_eal(struct app_params *app)
                app->eal_argv[n_args++] = strdup(buffer);
        }
 
-       if ((p->xen_dom0_present) && (p->xen_dom0)) {
-               snprintf(buffer, sizeof(buffer), "--xen-dom0");
-               app->eal_argv[n_args++] = strdup(buffer);
-       }
-
        snprintf(buffer, sizeof(buffer), "--");
        app->eal_argv[n_args++] = strdup(buffer);
 
@@ -329,16 +297,14 @@ app_init_mempool(struct app_params *app)
                struct app_mempool_params *p = &app->mempool_params[i];
 
                APP_LOG(app, HIGH, "Initializing %s ...", p->name);
-               app->mempool[i] = rte_mempool_create(
-                               p->name,
-                               p->pool_size,
-                               p->buffer_size,
-                               p->cache_size,
-                               sizeof(struct rte_pktmbuf_pool_private),
-                               rte_pktmbuf_pool_init, NULL,
-                               rte_pktmbuf_init, NULL,
-                               p->cpu_socket_id,
-                               0);
+               app->mempool[i] = rte_pktmbuf_pool_create(
+                       p->name,
+                       p->pool_size,
+                       p->cache_size,
+                       0, /* priv_size */
+                       p->buffer_size -
+                               sizeof(struct rte_mbuf), /* mbuf data size */
+                       p->cpu_socket_id);
 
                if (app->mempool[i] == NULL)
                        rte_panic("%s init error\n", p->name);
@@ -718,7 +684,8 @@ app_link_up_internal(struct app_params *app, struct app_link_params *cp)
 
        /* PMD link up */
        status = rte_eth_dev_set_link_up(cp->pmd_id);
-       if (status < 0)
+       /* Do not panic if PMD does not provide link up functionality */
+       if (status < 0 && status != -ENOTSUP)
                rte_panic("%s (%" PRIu32 "): PMD set link up error %"
                        PRId32 "\n", cp->name, cp->pmd_id, status);
 
@@ -734,7 +701,8 @@ app_link_down_internal(struct app_params *app, struct app_link_params *cp)
 
        /* PMD link down */
        status = rte_eth_dev_set_link_down(cp->pmd_id);
-       if (status < 0)
+       /* Do not panic if PMD does not provide link down functionality */
+       if (status < 0 && status != -ENOTSUP)
                rte_panic("%s (%" PRIu32 "): PMD set link down error %"
                        PRId32 "\n", cp->name, cp->pmd_id, status);
 
@@ -879,10 +847,10 @@ app_init_link_frag_ras(struct app_params *app)
        uint32_t i;
 
        if (is_any_swq_frag_or_ras(app)) {
-               for (i = 0; i < app->n_pktq_hwq_out; i++) {
-                       struct app_pktq_hwq_out_params *p_txq = &app->hwq_out_params[i];
-
-                       p_txq->conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
+               for (i = 0; i < app->n_links; i++) {
+                       struct app_link_params *p_link = &app->link_params[i];
+                               p_link->conf.txmode.offloads |=
+                                               DEV_TX_OFFLOAD_MULTI_SEGS;
                }
        }
 }
@@ -965,6 +933,7 @@ app_init_link(struct app_params *app)
 
        for (i = 0; i < app->n_links; i++) {
                struct app_link_params *p_link = &app->link_params[i];
+               struct rte_eth_dev_info dev_info;
                uint32_t link_id, n_hwq_in, n_hwq_out, j;
                int status;
 
@@ -981,6 +950,10 @@ app_init_link(struct app_params *app)
                        n_hwq_out);
 
                /* LINK */
+               rte_eth_dev_info_get(p_link->pmd_id, &dev_info);
+               if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
+                       p_link->conf.txmode.offloads |=
+                               DEV_TX_OFFLOAD_MBUF_FAST_FREE;
                status = rte_eth_dev_configure(
                        p_link->pmd_id,
                        n_hwq_in,
@@ -1002,16 +975,31 @@ app_init_link(struct app_params *app)
                        struct app_pktq_hwq_in_params *p_rxq =
                                &app->hwq_in_params[j];
                        uint32_t rxq_link_id, rxq_queue_id;
+                       uint16_t nb_rxd = p_rxq->size;
 
                        sscanf(p_rxq->name, "RXQ%" PRIu32 ".%" PRIu32,
                                &rxq_link_id, &rxq_queue_id);
                        if (rxq_link_id != link_id)
                                continue;
 
+                       status = rte_eth_dev_adjust_nb_rx_tx_desc(
+                               p_link->pmd_id,
+                               &nb_rxd,
+                               NULL);
+                       if (status < 0)
+                               rte_panic("%s (%" PRIu32 "): "
+                                       "%s adjust number of Rx descriptors "
+                                       "error (%" PRId32 ")\n",
+                                       p_link->name,
+                                       p_link->pmd_id,
+                                       p_rxq->name,
+                                       status);
+
+                       p_rxq->conf.offloads = p_link->conf.rxmode.offloads;
                        status = rte_eth_rx_queue_setup(
                                p_link->pmd_id,
                                rxq_queue_id,
-                               p_rxq->size,
+                               nb_rxd,
                                app_get_cpu_socket_id(p_link->pmd_id),
                                &p_rxq->conf,
                                app->mempool[p_rxq->mempool_id]);
@@ -1029,16 +1017,31 @@ app_init_link(struct app_params *app)
                        struct app_pktq_hwq_out_params *p_txq =
                                &app->hwq_out_params[j];
                        uint32_t txq_link_id, txq_queue_id;
+                       uint16_t nb_txd = p_txq->size;
 
                        sscanf(p_txq->name, "TXQ%" PRIu32 ".%" PRIu32,
                                &txq_link_id, &txq_queue_id);
                        if (txq_link_id != link_id)
                                continue;
 
+                       status = rte_eth_dev_adjust_nb_rx_tx_desc(
+                               p_link->pmd_id,
+                               NULL,
+                               &nb_txd);
+                       if (status < 0)
+                               rte_panic("%s (%" PRIu32 "): "
+                                       "%s adjust number of Tx descriptors "
+                                       "error (%" PRId32 ")\n",
+                                       p_link->name,
+                                       p_link->pmd_id,
+                                       p_txq->name,
+                                       status);
+
+                       p_txq->conf.offloads = p_link->conf.txmode.offloads;
                        status = rte_eth_tx_queue_setup(
                                p_link->pmd_id,
                                txq_queue_id,
-                               p_txq->size,
+                               nb_txd,
                                app_get_cpu_socket_id(p_link->pmd_id),
                                &p_txq->conf);
                        if (status < 0)
@@ -1207,7 +1210,7 @@ app_init_tap(struct app_params *app)
 
 #ifdef RTE_LIBRTE_KNI
 static int
-kni_config_network_interface(uint8_t port_id, uint8_t if_up) {
+kni_config_network_interface(uint16_t port_id, uint8_t if_up) {
        int ret = 0;
 
        if (port_id >= rte_eth_dev_count())
@@ -1221,7 +1224,7 @@ kni_config_network_interface(uint8_t port_id, uint8_t if_up) {
 }
 
 static int
-kni_change_mtu(uint8_t port_id, unsigned new_mtu) {
+kni_change_mtu(uint16_t port_id, unsigned int new_mtu) {
        int ret;
 
        if (port_id >= rte_eth_dev_count())