X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fring%2Frte_eth_ring.c;h=aeb48f5ec73ded26a1e9312706b9b590403c5165;hb=1ccdc31793aff57d5fe34041c7fa0aa9c00c7f5c;hp=6feb137f9240c1bf5108301c28e35fc7844294df;hpb=a6992e9610503a97b431290769e48c89af6c6fec;p=dpdk.git diff --git a/drivers/net/ring/rte_eth_ring.c b/drivers/net/ring/rte_eth_ring.c index 6feb137f92..aeb48f5ec7 100644 --- a/drivers/net/ring/rte_eth_ring.c +++ b/drivers/net/ring/rte_eth_ring.c @@ -1,56 +1,37 @@ -/*- - * 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 -#include +#include #include #include -#include #include -#include +#include #include #include #define ETH_RING_NUMA_NODE_ACTION_ARG "nodeaction" #define ETH_RING_ACTION_CREATE "CREATE" #define ETH_RING_ACTION_ATTACH "ATTACH" +#define ETH_RING_INTERNAL_ARG "internal" static const char *valid_arguments[] = { ETH_RING_NUMA_NODE_ACTION_ARG, + ETH_RING_INTERNAL_ARG, NULL }; +struct ring_internal_args { + 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; + void *addr; /* self addr for sanity check */ +}; + enum dev_action { DEV_CREATE, DEV_ATTACH @@ -79,9 +60,15 @@ 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_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) { @@ -179,7 +166,7 @@ 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; @@ -203,6 +190,8 @@ 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 @@ -269,30 +258,23 @@ do_eth_dev_ring_create(const char *name, struct rte_eth_dev_data *data = NULL; struct pmd_internals *internals = NULL; struct rte_eth_dev *eth_dev = NULL; + void **rx_queues_local = NULL; + void **tx_queues_local = NULL; unsigned 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, + rx_queues_local = rte_zmalloc_socket(name, sizeof(void *) * nb_rx_queues, 0, numa_node); - if (data->rx_queues == NULL) { + if (rx_queues_local == NULL) { rte_errno = ENOMEM; goto error; } - data->tx_queues = rte_zmalloc_socket(name, + tx_queues_local = rte_zmalloc_socket(name, sizeof(void *) * nb_tx_queues, 0, numa_node); - if (data->tx_queues == NULL) { + if (tx_queues_local == NULL) { rte_errno = ENOMEM; goto error; } @@ -316,8 +298,10 @@ 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; @@ -332,34 +316,27 @@ 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; @@ -372,7 +349,18 @@ rte_eth_from_rings(const char *name, struct rte_ring *const rx_queues[], const unsigned nb_tx_queues, const unsigned numa_node) { - struct rte_eth_dev *eth_dev = NULL; + struct ring_internal_args args = { + .rx_queues = rx_queues, + .nb_rx_queues = nb_rx_queues, + .tx_queues = tx_queues, + .nb_tx_queues = nb_tx_queues, + .numa_node = numa_node, + .addr = &args, + }; + char args_str[32] = { 0 }; + char ring_name[32] = { 0 }; + uint16_t port_id = RTE_MAX_ETHPORTS; + int ret; /* do some parameter checking */ if (rx_queues == NULL && nb_rx_queues > 0) { @@ -388,9 +376,18 @@ rte_eth_from_rings(const char *name, struct rte_ring *const rx_queues[], return -1; } - return do_eth_dev_ring_create(name, rx_queues, nb_rx_queues, - tx_queues, nb_tx_queues, numa_node, DEV_ATTACH, - ð_dev); + snprintf(args_str, 32, "%s=%p", ETH_RING_INTERNAL_ARG, &args); + snprintf(ring_name, 32, "net_ring_%s", name); + + ret = rte_vdev_init(ring_name, args_str); + if (ret) { + rte_errno = EINVAL; + return -1; + } + + rte_eth_dev_get_port_by_name(ring_name, &port_id); + + return port_id; } int @@ -456,13 +453,14 @@ 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; } @@ -471,7 +469,8 @@ 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; } @@ -493,7 +492,8 @@ 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; } @@ -507,6 +507,23 @@ out: return ret; } +static int +parse_internal_args(const char *key __rte_unused, const char *value, + void *data) +{ + struct ring_internal_args **internal_args = data; + void *args; + + sscanf(value, "%p", &args); + + *internal_args = args; + + if ((*internal_args)->addr != args) + return -1; + + return 0; +} + static int rte_pmd_ring_probe(struct rte_vdev_device *dev) { @@ -515,38 +532,61 @@ rte_pmd_ring_probe(struct rte_vdev_device *dev) int ret = 0; struct node_action_list *info = NULL; struct rte_eth_dev *eth_dev = NULL; + struct ring_internal_args *internal_args; 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, ð_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, ð_dev); } - } - else { + } else { 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 creating" + " rings-backed ethernet device"); ret = eth_dev_ring_create(name, rte_socket_id(), DEV_CREATE, ð_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, ð_dev); } + + if (eth_dev) + eth_dev->device = &dev->device; + return ret; + } + + if (rte_kvargs_count(kvlist, ETH_RING_INTERNAL_ARG) == 1) { + ret = rte_kvargs_process(kvlist, ETH_RING_INTERNAL_ARG, + parse_internal_args, + &internal_args); + if (ret < 0) + goto out_free; + + ret = do_eth_dev_ring_create(name, + internal_args->rx_queues, + internal_args->nb_rx_queues, + internal_args->tx_queues, + internal_args->nb_tx_queues, + internal_args->numa_node, + DEV_ATTACH, + ð_dev); + if (ret >= 0) + ret = 0; } else { ret = rte_kvargs_count(kvlist, ETH_RING_NUMA_NODE_ACTION_ARG); info = rte_zmalloc("struct node_action_list", @@ -572,8 +612,8 @@ rte_pmd_ring_probe(struct rte_vdev_device *dev) ð_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, @@ -602,7 +642,7 @@ 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; @@ -626,12 +666,8 @@ 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; } @@ -645,3 +681,10 @@ 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); +}