-/*-
- * 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>
#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
struct rte_ring *rng;
rte_atomic64_t rx_pkts;
rte_atomic64_t tx_pkts;
- rte_atomic64_t err_pkts;
};
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)
{
struct ring_queue *r = q;
const uint16_t nb_tx = (uint16_t)rte_ring_enqueue_burst(r->rng,
ptrs, nb_bufs, NULL);
- if (r->rng->flags & RING_F_SP_ENQ) {
+ if (r->rng->flags & RING_F_SP_ENQ)
r->tx_pkts.cnt += nb_tx;
- r->err_pkts.cnt += nb_bufs - nb_tx;
- } else {
+ else
rte_atomic64_add(&(r->tx_pkts), nb_tx);
- rte_atomic64_add(&(r->err_pkts), nb_bufs - nb_tx);
- }
return nb_tx;
}
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;
}
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;
}
-static void
+static int
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;
dev_info->max_tx_queues = (uint16_t)internals->max_tx_queues;
dev_info->min_rx_bufsize = 0;
+
+ return 0;
}
-static void
+static int
eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
{
- unsigned i;
- unsigned long rx_total = 0, tx_total = 0, tx_err_total = 0;
+ unsigned int i;
+ unsigned long rx_total = 0, tx_total = 0;
const struct pmd_internals *internal = dev->data->dev_private;
for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS &&
for (i = 0; i < RTE_ETHDEV_QUEUE_STAT_CNTRS &&
i < dev->data->nb_tx_queues; i++) {
stats->q_opackets[i] = internal->tx_ring_queues[i].tx_pkts.cnt;
- stats->q_errors[i] = internal->tx_ring_queues[i].err_pkts.cnt;
tx_total += stats->q_opackets[i];
- tx_err_total += stats->q_errors[i];
}
stats->ipackets = rx_total;
stats->opackets = tx_total;
- stats->oerrors = tx_err_total;
+
+ return 0;
}
-static void
+static int
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++) {
+ for (i = 0; i < dev->data->nb_tx_queues; i++)
internal->tx_ring_queues[i].tx_pkts.cnt = 0;
- internal->tx_ring_queues[i].err_pkts.cnt = 0;
- }
+
+ return 0;
}
static void
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)
{
.mac_addr_add = eth_mac_addr_add,
};
-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,
- const unsigned numa_node, enum dev_action action)
+ 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) {
+ 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->rx_queues = rte_zmalloc_socket(name,
- sizeof(void *) * nb_rx_queues, 0, numa_node);
- if (data->rx_queues == 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;
}
* - 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;
}
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;
+ data->promiscuous = 1;
+ data->all_multicast = 1;
- 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;
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,
+ .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];
+ char ring_name[RTE_RING_NAMESIZE];
+ uint16_t port_id = RTE_MAX_ETHPORTS;
+ int ret;
+
/* do some parameter checking */
if (rx_queues == NULL && nb_rx_queues > 0) {
rte_errno = EINVAL;
return -1;
}
- return do_eth_dev_ring_create(name, rx_queues, nb_rx_queues,
- tx_queues, nb_tx_queues, numa_node, DEV_ATTACH);
+ 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) {
+ rte_errno = EINVAL;
+ return -1;
+ }
+
+ ret = rte_eth_dev_get_port_by_name(ring_name, &port_id);
+ if (ret) {
+ rte_errno = ENODEV;
+ return -1;
+ }
+
+ return port_id;
}
int
}
static int
-eth_dev_ring_create(const char *name, const unsigned numa_node,
- enum dev_action action)
+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) :
}
if (do_eth_dev_ring_create(name, rxtx, num_rings, rxtx, num_rings,
- numa_node, action) < 0)
+ numa_node, action, eth_dev) < 0)
return -1;
return 0;
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;
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;
}
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;
}
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++;
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)
{
struct rte_kvargs *kvlist = NULL;
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);
+ 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);
+ 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 creatingrings-backed ethernet device");
ret = eth_dev_ring_create(name, rte_socket_id(),
- DEV_CREATE);
+ 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);
+ 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",
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);
for (info->count = 0; info->count < info->total; info->count++) {
ret = eth_dev_ring_create(info->list[info->count].name,
info->list[info->count].node,
- info->list[info->count].action);
+ info->list[info->count].action,
+ 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,
- DEV_ATTACH);
+ DEV_ATTACH,
+ ð_dev);
}
}
}
}
+ if (eth_dev)
+ eth_dev->device = &dev->device;
+
out_free:
rte_kvargs_free(kvlist);
rte_free(info);
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;
}
}
- 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;
}
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);
+}