net: add rte prefix to ether structures
[dpdk.git] / drivers / net / ring / rte_eth_ring.c
index 73ec2e4..cae63a7 100644 (file)
@@ -1,44 +1,14 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright(c) 2010-2015 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) 2010-2015 Intel Corporation
  */
 
 #include "rte_eth_ring.h"
 #include <rte_mbuf.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
 #include <rte_malloc.h>
 #include <rte_memcpy.h>
-#include <rte_memzone.h>
 #include <rte_string_fns.h>
-#include <rte_vdev.h>
+#include <rte_bus_vdev.h>
 #include <rte_kvargs.h>
 #include <rte_errno.h>
 
@@ -75,24 +45,29 @@ struct ring_queue {
 };
 
 struct pmd_internals {
-       unsigned max_rx_queues;
-       unsigned max_tx_queues;
+       unsigned int max_rx_queues;
+       unsigned int max_tx_queues;
 
        struct ring_queue rx_ring_queues[RTE_PMD_RING_MAX_RX_RINGS];
        struct ring_queue tx_ring_queues[RTE_PMD_RING_MAX_TX_RINGS];
 
-       struct ether_addr address;
+       struct rte_ether_addr address;
        enum dev_action action;
 };
 
-
 static struct rte_eth_link pmd_link = {
-               .link_speed = ETH_SPEED_NUM_10G,
-               .link_duplex = ETH_LINK_FULL_DUPLEX,
-               .link_status = ETH_LINK_DOWN,
-               .link_autoneg = ETH_LINK_SPEED_AUTONEG
+       .link_speed = ETH_SPEED_NUM_10G,
+       .link_duplex = ETH_LINK_FULL_DUPLEX,
+       .link_status = ETH_LINK_DOWN,
+       .link_autoneg = ETH_LINK_FIXED,
 };
 
+static int eth_ring_logtype;
+
+#define PMD_LOG(level, fmt, args...) \
+       rte_log(RTE_LOG_ ## level, eth_ring_logtype, \
+               "%s(): " fmt "\n", __func__, ##args)
+
 static uint16_t
 eth_ring_rx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
 {
@@ -162,6 +137,7 @@ eth_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
                                    struct rte_mempool *mb_pool __rte_unused)
 {
        struct pmd_internals *internals = dev->data->dev_private;
+
        dev->data->rx_queues[rx_queue_id] = &internals->rx_ring_queues[rx_queue_id];
        return 0;
 }
@@ -173,6 +149,7 @@ eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
                                    const struct rte_eth_txconf *tx_conf __rte_unused)
 {
        struct pmd_internals *internals = dev->data->dev_private;
+
        dev->data->tx_queues[tx_queue_id] = &internals->tx_ring_queues[tx_queue_id];
        return 0;
 }
@@ -180,9 +157,10 @@ eth_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
 
 static void
 eth_dev_info(struct rte_eth_dev *dev,
-               struct rte_eth_dev_info *dev_info)
+            struct rte_eth_dev_info *dev_info)
 {
        struct pmd_internals *internals = dev->data->dev_private;
+
        dev_info->max_mac_addrs = 1;
        dev_info->max_rx_pktlen = (uint32_t)-1;
        dev_info->max_rx_queues = (uint16_t)internals->max_rx_queues;
@@ -190,10 +168,10 @@ eth_dev_info(struct rte_eth_dev *dev,
        dev_info->min_rx_bufsize = 0;
 }
 
-static void
+static int
 eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 {
-       unsigned i;
+       unsigned int i;
        unsigned long rx_total = 0, tx_total = 0, tx_err_total = 0;
        const struct pmd_internals *internal = dev->data->dev_private;
 
@@ -214,13 +192,16 @@ eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
        stats->ipackets = rx_total;
        stats->opackets = tx_total;
        stats->oerrors = tx_err_total;
+
+       return 0;
 }
 
 static void
 eth_stats_reset(struct rte_eth_dev *dev)
 {
-       unsigned i;
+       unsigned int i;
        struct pmd_internals *internal = dev->data->dev_private;
+
        for (i = 0; i < dev->data->nb_rx_queues; i++)
                internal->rx_ring_queues[i].rx_pkts.cnt = 0;
        for (i = 0; i < dev->data->nb_tx_queues; i++) {
@@ -237,7 +218,7 @@ eth_mac_addr_remove(struct rte_eth_dev *dev __rte_unused,
 
 static int
 eth_mac_addr_add(struct rte_eth_dev *dev __rte_unused,
-       struct ether_addr *mac_addr __rte_unused,
+       struct rte_ether_addr *mac_addr __rte_unused,
        uint32_t index __rte_unused,
        uint32_t vmdq __rte_unused)
 {
@@ -272,38 +253,33 @@ static struct rte_vdev_driver pmd_ring_drv;
 
 static int
 do_eth_dev_ring_create(const char *name,
-               struct rte_ring * const rx_queues[], const unsigned nb_rx_queues,
-               struct rte_ring *const tx_queues[], const unsigned nb_tx_queues,
+               struct rte_ring * const rx_queues[],
+               const unsigned int nb_rx_queues,
+               struct rte_ring *const tx_queues[],
+               const unsigned int nb_tx_queues,
                const unsigned int numa_node, enum dev_action action,
                struct rte_eth_dev **eth_dev_p)
 {
        struct rte_eth_dev_data *data = NULL;
        struct pmd_internals *internals = NULL;
        struct rte_eth_dev *eth_dev = NULL;
-       unsigned i;
+       void **rx_queues_local = NULL;
+       void **tx_queues_local = NULL;
+       unsigned int i;
 
-       RTE_LOG(INFO, PMD, "Creating rings-backed ethdev on numa socket %u\n",
+       PMD_LOG(INFO, "Creating rings-backed ethdev on numa socket %u",
                        numa_node);
 
-       /* now do all data allocation - for eth_dev structure, dummy pci driver
-        * and internal (private) data
-        */
-       data = rte_zmalloc_socket(name, sizeof(*data), 0, numa_node);
-       if (data == NULL) {
-               rte_errno = ENOMEM;
-               goto error;
-       }
-
-       data->rx_queues = rte_zmalloc_socket(name,
-                       sizeof(void *) * nb_rx_queues, 0, numa_node);
-       if (data->rx_queues == NULL) {
+       rx_queues_local = rte_calloc_socket(name, nb_rx_queues,
+                                           sizeof(void *), 0, numa_node);
+       if (rx_queues_local == NULL) {
                rte_errno = ENOMEM;
                goto error;
        }
 
-       data->tx_queues = rte_zmalloc_socket(name,
-                       sizeof(void *) * nb_tx_queues, 0, numa_node);
-       if (data->tx_queues == NULL) {
+       tx_queues_local = rte_calloc_socket(name, nb_tx_queues,
+                                           sizeof(void *), 0, numa_node);
+       if (tx_queues_local == NULL) {
                rte_errno = ENOMEM;
                goto error;
        }
@@ -327,8 +303,10 @@ do_eth_dev_ring_create(const char *name,
         * - point eth_dev_data to internals
         * - and point eth_dev structure to new eth_dev_data structure
         */
-       /* NOTE: we'll replace the data element, of originally allocated eth_dev
-        * so the rings are local per-process */
+
+       data = eth_dev->data;
+       data->rx_queues = rx_queues_local;
+       data->tx_queues = tx_queues_local;
 
        internals->action = action;
        internals->max_rx_queues = nb_rx_queues;
@@ -343,34 +321,27 @@ do_eth_dev_ring_create(const char *name,
        }
 
        data->dev_private = internals;
-       data->port_id = eth_dev->data->port_id;
-       memmove(data->name, eth_dev->data->name, sizeof(data->name));
        data->nb_rx_queues = (uint16_t)nb_rx_queues;
        data->nb_tx_queues = (uint16_t)nb_tx_queues;
        data->dev_link = pmd_link;
        data->mac_addrs = &internals->address;
 
-       eth_dev->data = data;
        eth_dev->dev_ops = &ops;
-       data->dev_flags = RTE_ETH_DEV_DETACHABLE;
        data->kdrv = RTE_KDRV_NONE;
-       data->drv_name = pmd_ring_drv.driver.name;
        data->numa_node = numa_node;
 
        /* finally assign rx and tx ops */
        eth_dev->rx_pkt_burst = eth_ring_rx;
        eth_dev->tx_pkt_burst = eth_ring_tx;
 
+       rte_eth_dev_probing_finish(eth_dev);
        *eth_dev_p = eth_dev;
 
        return data->port_id;
 
 error:
-       if (data) {
-               rte_free(data->rx_queues);
-               rte_free(data->tx_queues);
-       }
-       rte_free(data);
+       rte_free(rx_queues_local);
+       rte_free(tx_queues_local);
        rte_free(internals);
 
        return -1;
@@ -378,10 +349,10 @@ error:
 
 int
 rte_eth_from_rings(const char *name, struct rte_ring *const rx_queues[],
-               const unsigned nb_rx_queues,
+               const unsigned int nb_rx_queues,
                struct rte_ring *const tx_queues[],
-               const unsigned nb_tx_queues,
-               const unsigned numa_node)
+               const unsigned int nb_tx_queues,
+               const unsigned int numa_node)
 {
        struct ring_internal_args args = {
                .rx_queues = rx_queues,
@@ -391,9 +362,9 @@ rte_eth_from_rings(const char *name, struct rte_ring *const rx_queues[],
                .numa_node = numa_node,
                .addr = &args,
        };
-       char args_str[32] = { 0 };
-       char ring_name[32] = { 0 };
-       uint8_t port_id = RTE_MAX_ETHPORTS;
+       char args_str[32];
+       char ring_name[RTE_RING_NAMESIZE];
+       uint16_t port_id = RTE_MAX_ETHPORTS;
        int ret;
 
        /* do some parameter checking */
@@ -410,8 +381,14 @@ rte_eth_from_rings(const char *name, struct rte_ring *const rx_queues[],
                return -1;
        }
 
-       snprintf(args_str, 32, "%s=%p", ETH_RING_INTERNAL_ARG, &args);
-       snprintf(ring_name, 32, "net_ring_%s", name);
+       snprintf(args_str, sizeof(args_str), "%s=%p",
+                ETH_RING_INTERNAL_ARG, &args);
+
+       ret = snprintf(ring_name, sizeof(ring_name), "net_ring_%s", name);
+       if (ret >= (int)sizeof(ring_name)) {
+               rte_errno = ENAMETOOLONG;
+               return -1;
+       }
 
        ret = rte_vdev_init(ring_name, args_str);
        if (ret) {
@@ -419,7 +396,11 @@ rte_eth_from_rings(const char *name, struct rte_ring *const rx_queues[],
                return -1;
        }
 
-       rte_eth_dev_get_port_by_name(ring_name, &port_id);
+       ret = rte_eth_dev_get_port_by_name(ring_name, &port_id);
+       if (ret) {
+               rte_errno = ENODEV;
+               return -1;
+       }
 
        return port_id;
 }
@@ -432,20 +413,28 @@ rte_eth_from_ring(struct rte_ring *r)
 }
 
 static int
-eth_dev_ring_create(const char *name, const unsigned numa_node,
+eth_dev_ring_create(const char *name, const unsigned int numa_node,
                enum dev_action action, struct rte_eth_dev **eth_dev)
 {
        /* rx and tx are so-called from point of view of first port.
         * They are inverted from the point of view of second port
         */
        struct rte_ring *rxtx[RTE_PMD_RING_MAX_RX_RINGS];
-       unsigned i;
+       unsigned int i;
        char rng_name[RTE_RING_NAMESIZE];
-       unsigned num_rings = RTE_MIN(RTE_PMD_RING_MAX_RX_RINGS,
+       unsigned int num_rings = RTE_MIN(RTE_PMD_RING_MAX_RX_RINGS,
                        RTE_PMD_RING_MAX_TX_RINGS);
 
        for (i = 0; i < num_rings; i++) {
-               snprintf(rng_name, sizeof(rng_name), "ETH_RXTX%u_%s", i, name);
+               int cc;
+
+               cc = snprintf(rng_name, sizeof(rng_name),
+                             "ETH_RXTX%u_%s", i, name);
+               if (cc >= (int)sizeof(rng_name)) {
+                       rte_errno = ENAMETOOLONG;
+                       return -1;
+               }
+
                rxtx[i] = (action == DEV_CREATE) ?
                                rte_ring_create(rng_name, 1024, numa_node,
                                                RING_F_SP_ENQ|RING_F_SC_DEQ) :
@@ -463,17 +452,18 @@ eth_dev_ring_create(const char *name, const unsigned numa_node,
 
 struct node_action_pair {
        char name[PATH_MAX];
-       unsigned node;
+       unsigned int node;
        enum dev_action action;
 };
 
 struct node_action_list {
-       unsigned total;
-       unsigned count;
+       unsigned int total;
+       unsigned int count;
        struct node_action_pair *list;
 };
 
-static int parse_kvlist (const char *key __rte_unused, const char *value, void *data)
+static int parse_kvlist(const char *key __rte_unused,
+                       const char *value, void *data)
 {
        struct node_action_list *info = data;
        int ret;
@@ -487,13 +477,14 @@ static int parse_kvlist (const char *key __rte_unused, const char *value, void *
        ret = -EINVAL;
 
        if (!name) {
-               RTE_LOG(WARNING, PMD, "command line paramter is empty for ring pmd!\n");
+               PMD_LOG(WARNING, "command line parameter is empty for ring pmd!");
                goto out;
        }
 
        node = strchr(name, ':');
        if (!node) {
-               RTE_LOG(WARNING, PMD, "could not parse node value from %s", name);
+               PMD_LOG(WARNING, "could not parse node value from %s",
+                       name);
                goto out;
        }
 
@@ -502,7 +493,8 @@ static int parse_kvlist (const char *key __rte_unused, const char *value, void *
 
        action = strchr(node, ':');
        if (!action) {
-               RTE_LOG(WARNING, PMD, "could not action value from %s", node);
+               PMD_LOG(WARNING, "could not parse action value from %s",
+                       node);
                goto out;
        }
 
@@ -524,11 +516,13 @@ static int parse_kvlist (const char *key __rte_unused, const char *value, void *
        info->list[info->count].node = strtol(node, &end, 10);
 
        if ((errno != 0) || (*end != '\0')) {
-               RTE_LOG(WARNING, PMD, "node value %s is unparseable as a number\n", node);
+               PMD_LOG(WARNING,
+                       "node value %s is unparseable as a number", node);
                goto out;
        }
 
-       snprintf(info->list[info->count].name, sizeof(info->list[info->count].name), "%s", name);
+       strlcpy(info->list[info->count].name, name,
+               sizeof(info->list[info->count].name));
 
        info->count++;
 
@@ -568,14 +562,14 @@ rte_pmd_ring_probe(struct rte_vdev_device *dev)
        name = rte_vdev_device_name(dev);
        params = rte_vdev_device_args(dev);
 
-       RTE_LOG(INFO, PMD, "Initializing pmd_ring for %s\n", name);
+       PMD_LOG(INFO, "Initializing pmd_ring for %s", name);
 
        if (params == NULL || params[0] == '\0') {
                ret = eth_dev_ring_create(name, rte_socket_id(), DEV_CREATE,
                                &eth_dev);
                if (ret == -1) {
-                       RTE_LOG(INFO, PMD,
-                               "Attach to pmd_ring for %s\n", name);
+                       PMD_LOG(INFO,
+                               "Attach to pmd_ring for %s", name);
                        ret = eth_dev_ring_create(name, rte_socket_id(),
                                                  DEV_ATTACH, &eth_dev);
                }
@@ -583,13 +577,13 @@ rte_pmd_ring_probe(struct rte_vdev_device *dev)
                kvlist = rte_kvargs_parse(params, valid_arguments);
 
                if (!kvlist) {
-                       RTE_LOG(INFO, PMD, "Ignoring unsupported parameters when creating"
-                                       " rings-backed ethernet device\n");
+                       PMD_LOG(INFO,
+                               "Ignoring unsupported parameters when creatingrings-backed ethernet device");
                        ret = eth_dev_ring_create(name, rte_socket_id(),
                                                  DEV_CREATE, &eth_dev);
                        if (ret == -1) {
-                               RTE_LOG(INFO, PMD,
-                                       "Attach to pmd_ring for %s\n",
+                               PMD_LOG(INFO,
+                                       "Attach to pmd_ring for %s",
                                        name);
                                ret = eth_dev_ring_create(name, rte_socket_id(),
                                                          DEV_ATTACH, &eth_dev);
@@ -628,7 +622,7 @@ rte_pmd_ring_probe(struct rte_vdev_device *dev)
                                goto out_free;
 
                        info->total = ret;
-                       info->list = (struct node_action_pair*)(info + 1);
+                       info->list = (struct node_action_pair *)(info + 1);
 
                        ret = rte_kvargs_process(kvlist, ETH_RING_NUMA_NODE_ACTION_ARG,
                                                 parse_kvlist, info);
@@ -643,8 +637,8 @@ rte_pmd_ring_probe(struct rte_vdev_device *dev)
                                                          &eth_dev);
                                if ((ret == -1) &&
                                    (info->list[info->count].action == DEV_CREATE)) {
-                                       RTE_LOG(INFO, PMD,
-                                               "Attach to pmd_ring for %s\n",
+                                       PMD_LOG(INFO,
+                                               "Attach to pmd_ring for %s",
                                                name);
                                        ret = eth_dev_ring_create(name,
                                                        info->list[info->count].node,
@@ -673,7 +667,7 @@ rte_pmd_ring_remove(struct rte_vdev_device *dev)
        struct ring_queue *r = NULL;
        uint16_t i;
 
-       RTE_LOG(INFO, PMD, "Un-Initializing pmd_ring for %s\n", name);
+       PMD_LOG(INFO, "Un-Initializing pmd_ring for %s", name);
 
        if (name == NULL)
                return -EINVAL;
@@ -697,12 +691,8 @@ rte_pmd_ring_remove(struct rte_vdev_device *dev)
                }
        }
 
-       rte_free(eth_dev->data->rx_queues);
-       rte_free(eth_dev->data->tx_queues);
-       rte_free(eth_dev->data->dev_private);
-
-       rte_free(eth_dev->data);
-
+       /* mac_addrs must not be freed alone because part of dev_private */
+       eth_dev->data->mac_addrs = NULL;
        rte_eth_dev_release_port(eth_dev);
        return 0;
 }
@@ -716,3 +706,10 @@ RTE_PMD_REGISTER_VDEV(net_ring, pmd_ring_drv);
 RTE_PMD_REGISTER_ALIAS(net_ring, eth_ring);
 RTE_PMD_REGISTER_PARAM_STRING(net_ring,
        ETH_RING_NUMA_NODE_ACTION_ARG "=name:node:action(ATTACH|CREATE)");
+
+RTE_INIT(eth_ring_init_log)
+{
+       eth_ring_logtype = rte_log_register("pmd.net.ring");
+       if (eth_ring_logtype >= 0)
+               rte_log_set_level(eth_ring_logtype, RTE_LOG_NOTICE);
+}