-/*-
- * BSD LICENSE
- *
- * Copyright (C) IGEL Co.,Ltd.
- * 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 IGEL Co.,Ltd. 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) IGEL Co.,Ltd.
+ * All rights reserved.
*/
#include <rte_mbuf.h>
-#include <rte_ethdev.h>
+#include <rte_ethdev_driver.h>
#include <rte_ethdev_vdev.h>
#include <rte_malloc.h>
#include <rte_memcpy.h>
-#include <rte_vdev.h>
+#include <rte_bus_vdev.h>
#include <rte_kvargs.h>
#include <rte_spinlock.h>
#define ETH_NULL_PACKET_SIZE_ARG "size"
#define ETH_NULL_PACKET_COPY_ARG "copy"
+#define ETH_NULL_PACKET_NO_RX_ARG "no-rx"
-static unsigned default_packet_size = 64;
-static unsigned default_packet_copy;
+static unsigned int default_packet_size = 64;
+static unsigned int default_packet_copy;
+static unsigned int default_no_rx;
static const char *valid_arguments[] = {
ETH_NULL_PACKET_SIZE_ARG,
ETH_NULL_PACKET_COPY_ARG,
+ ETH_NULL_PACKET_NO_RX_ARG,
NULL
};
rte_atomic64_t rx_pkts;
rte_atomic64_t tx_pkts;
- rte_atomic64_t err_pkts;
+};
+
+struct pmd_options {
+ unsigned int packet_copy;
+ unsigned int packet_size;
+ unsigned int no_rx;
};
struct pmd_internals {
- unsigned packet_size;
- unsigned packet_copy;
+ unsigned int packet_size;
+ unsigned int packet_copy;
+ unsigned int no_rx;
uint16_t port_id;
struct null_queue rx_null_queues[RTE_MAX_QUEUES_PER_PORT];
struct null_queue tx_null_queues[RTE_MAX_QUEUES_PER_PORT];
+ struct rte_ether_addr eth_addr;
/** Bit mask of RSS offloads, the bit offset also means flow type */
uint64_t flow_type_rss_offloads;
uint8_t rss_key[40]; /**< 40-byte hash key. */
};
-
-
-static struct ether_addr eth_addr = { .addr_bytes = {0} };
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,
};
+RTE_LOG_REGISTER(eth_null_logtype, pmd.net.null, NOTICE);
+
+#define PMD_LOG(level, fmt, args...) \
+ rte_log(RTE_LOG_ ## level, eth_null_logtype, \
+ "%s(): " fmt "\n", __func__, ##args)
+
static uint16_t
eth_null_rx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
{
int i;
struct null_queue *h = q;
- unsigned packet_size;
+ unsigned int packet_size;
if ((q == NULL) || (bufs == NULL))
return 0;
packet_size = h->internals->packet_size;
+ if (rte_pktmbuf_alloc_bulk(h->mb_pool, bufs, nb_bufs) != 0)
+ return 0;
+
for (i = 0; i < nb_bufs; i++) {
- bufs[i] = rte_pktmbuf_alloc(h->mb_pool);
- if (!bufs[i])
- break;
bufs[i]->data_len = (uint16_t)packet_size;
bufs[i]->pkt_len = packet_size;
bufs[i]->port = h->internals->port_id;
{
int i;
struct null_queue *h = q;
- unsigned packet_size;
+ unsigned int packet_size;
if ((q == NULL) || (bufs == NULL))
return 0;
packet_size = h->internals->packet_size;
+ if (rte_pktmbuf_alloc_bulk(h->mb_pool, bufs, nb_bufs) != 0)
+ return 0;
+
for (i = 0; i < nb_bufs; i++) {
- bufs[i] = rte_pktmbuf_alloc(h->mb_pool);
- if (!bufs[i])
- break;
rte_memcpy(rte_pktmbuf_mtod(bufs[i], void *), h->dummy_packet,
packet_size);
bufs[i]->data_len = (uint16_t)packet_size;
return i;
}
+static uint16_t
+eth_null_no_rx(void *q __rte_unused, struct rte_mbuf **bufs __rte_unused,
+ uint16_t nb_bufs __rte_unused)
+{
+ return 0;
+}
+
static uint16_t
eth_null_tx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
{
{
int i;
struct null_queue *h = q;
- unsigned packet_size;
+ unsigned int packet_size;
if ((q == NULL) || (bufs == NULL))
return 0;
{
struct rte_mbuf *dummy_packet;
struct pmd_internals *internals;
- unsigned packet_size;
+ unsigned int packet_size;
if ((dev == NULL) || (mb_pool == NULL))
return -EINVAL;
{
struct rte_mbuf *dummy_packet;
struct pmd_internals *internals;
- unsigned packet_size;
+ unsigned int packet_size;
if (dev == NULL)
return -EINVAL;
return 0;
}
+static int
+eth_mtu_set(struct rte_eth_dev *dev __rte_unused, uint16_t mtu __rte_unused)
+{
+ return 0;
+}
-static void
+static int
eth_dev_info(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info)
{
struct pmd_internals *internals;
if ((dev == NULL) || (dev_info == NULL))
- return;
+ return -EINVAL;
internals = dev->data->dev_private;
dev_info->max_mac_addrs = 1;
dev_info->min_rx_bufsize = 0;
dev_info->reta_size = internals->reta_size;
dev_info->flow_type_rss_offloads = internals->flow_type_rss_offloads;
+
+ return 0;
}
static int
eth_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *igb_stats)
{
- unsigned i, num_stats;
- unsigned long rx_total = 0, tx_total = 0, tx_err_total = 0;
+ unsigned int i, num_stats;
+ unsigned long rx_total = 0, tx_total = 0;
const struct pmd_internals *internal;
if ((dev == NULL) || (igb_stats == NULL))
return -EINVAL;
internal = dev->data->dev_private;
- num_stats = RTE_MIN((unsigned)RTE_ETHDEV_QUEUE_STAT_CNTRS,
+ num_stats = RTE_MIN((unsigned int)RTE_ETHDEV_QUEUE_STAT_CNTRS,
RTE_MIN(dev->data->nb_rx_queues,
RTE_DIM(internal->rx_null_queues)));
for (i = 0; i < num_stats; i++) {
rx_total += igb_stats->q_ipackets[i];
}
- num_stats = RTE_MIN((unsigned)RTE_ETHDEV_QUEUE_STAT_CNTRS,
+ num_stats = RTE_MIN((unsigned int)RTE_ETHDEV_QUEUE_STAT_CNTRS,
RTE_MIN(dev->data->nb_tx_queues,
RTE_DIM(internal->tx_null_queues)));
for (i = 0; i < num_stats; i++) {
igb_stats->q_opackets[i] =
internal->tx_null_queues[i].tx_pkts.cnt;
- igb_stats->q_errors[i] =
- internal->tx_null_queues[i].err_pkts.cnt;
tx_total += igb_stats->q_opackets[i];
- tx_err_total += igb_stats->q_errors[i];
}
igb_stats->ipackets = rx_total;
igb_stats->opackets = tx_total;
- igb_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;
if (dev == NULL)
- return;
+ return -EINVAL;
internal = dev->data->dev_private;
for (i = 0; i < RTE_DIM(internal->rx_null_queues); i++)
internal->rx_null_queues[i].rx_pkts.cnt = 0;
- for (i = 0; i < RTE_DIM(internal->tx_null_queues); i++) {
+ for (i = 0; i < RTE_DIM(internal->tx_null_queues); i++)
internal->tx_null_queues[i].tx_pkts.cnt = 0;
- internal->tx_null_queues[i].err_pkts.cnt = 0;
- }
+
+ return 0;
}
static void
return 0;
}
+static int
+eth_mac_address_set(__rte_unused struct rte_eth_dev *dev,
+ __rte_unused struct rte_ether_addr *addr)
+{
+ return 0;
+}
+
static const struct eth_dev_ops ops = {
.dev_start = eth_dev_start,
.dev_stop = eth_dev_stop,
.tx_queue_setup = eth_tx_queue_setup,
.rx_queue_release = eth_queue_release,
.tx_queue_release = eth_queue_release,
+ .mtu_set = eth_mtu_set,
.link_update = eth_link_update,
+ .mac_addr_set = eth_mac_address_set,
.stats_get = eth_stats_get,
.stats_reset = eth_stats_reset,
.reta_update = eth_rss_reta_update,
.rss_hash_conf_get = eth_rss_hash_conf_get
};
-static struct rte_vdev_driver pmd_null_drv;
-
static int
-eth_dev_null_create(struct rte_vdev_device *dev,
- unsigned packet_size,
- unsigned packet_copy)
+eth_dev_null_create(struct rte_vdev_device *dev, struct pmd_options *args)
{
- const unsigned nb_rx_queues = 1;
- const unsigned nb_tx_queues = 1;
- struct rte_eth_dev_data *data = NULL;
+ const unsigned int nb_rx_queues = 1;
+ const unsigned int nb_tx_queues = 1;
+ struct rte_eth_dev_data *data;
struct pmd_internals *internals = NULL;
struct rte_eth_dev *eth_dev = NULL;
if (dev->device.numa_node == SOCKET_ID_ANY)
dev->device.numa_node = rte_socket_id();
- RTE_LOG(INFO, PMD, "Creating null ethdev on numa socket %u\n",
+ PMD_LOG(INFO, "Creating null ethdev on numa socket %u",
dev->device.numa_node);
- /* now do all data allocation - for eth_dev structure, dummy pci driver
- * and internal (private) data
- */
- data = rte_zmalloc_socket(rte_vdev_device_name(dev), sizeof(*data), 0,
- dev->device.numa_node);
- if (!data)
- return -ENOMEM;
-
eth_dev = rte_eth_vdev_allocate(dev, sizeof(*internals));
- if (!eth_dev) {
- rte_free(data);
+ if (!eth_dev)
return -ENOMEM;
- }
/* now put it all together
* - store queue data in internals,
* so the nulls are local per-process */
internals = eth_dev->data->dev_private;
- internals->packet_size = packet_size;
- internals->packet_copy = packet_copy;
+ internals->packet_size = args->packet_size;
+ internals->packet_copy = args->packet_copy;
+ internals->no_rx = args->no_rx;
internals->port_id = eth_dev->data->port_id;
+ rte_eth_random_addr(internals->eth_addr.addr_bytes);
internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
internals->reta_size = RTE_DIM(internals->reta_conf) * RTE_RETA_GROUP_SIZE;
rte_memcpy(internals->rss_key, default_rss_key, 40);
- rte_memcpy(data, eth_dev->data, sizeof(*data));
+ data = eth_dev->data;
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 = ð_addr;
+ data->mac_addrs = &internals->eth_addr;
+ data->promiscuous = 1;
+ data->all_multicast = 1;
- eth_dev->data = data;
eth_dev->dev_ops = &ops;
/* finally assign rx and tx ops */
- if (packet_copy) {
+ if (internals->packet_copy) {
eth_dev->rx_pkt_burst = eth_null_copy_rx;
eth_dev->tx_pkt_burst = eth_null_copy_tx;
+ } else if (internals->no_rx) {
+ eth_dev->rx_pkt_burst = eth_null_no_rx;
+ eth_dev->tx_pkt_burst = eth_null_tx;
} else {
eth_dev->rx_pkt_burst = eth_null_rx;
eth_dev->tx_pkt_burst = eth_null_tx;
}
+ rte_eth_dev_probing_finish(eth_dev);
return 0;
}
const char *value, void *extra_args)
{
const char *a = value;
- unsigned *packet_size = extra_args;
+ unsigned int *packet_size = extra_args;
if ((value == NULL) || (extra_args == NULL))
return -EINVAL;
- *packet_size = (unsigned)strtoul(a, NULL, 0);
+ *packet_size = (unsigned int)strtoul(a, NULL, 0);
if (*packet_size == UINT_MAX)
return -1;
const char *value, void *extra_args)
{
const char *a = value;
- unsigned *packet_copy = extra_args;
+ unsigned int *packet_copy = extra_args;
if ((value == NULL) || (extra_args == NULL))
return -EINVAL;
- *packet_copy = (unsigned)strtoul(a, NULL, 0);
+ *packet_copy = (unsigned int)strtoul(a, NULL, 0);
if (*packet_copy == UINT_MAX)
return -1;
return 0;
}
+static int
+get_packet_no_rx_arg(const char *key __rte_unused,
+ const char *value, void *extra_args)
+{
+ const char *a = value;
+ unsigned int no_rx;
+
+ if (value == NULL || extra_args == NULL)
+ return -EINVAL;
+
+ no_rx = (unsigned int)strtoul(a, NULL, 0);
+ if (no_rx != 0 && no_rx != 1)
+ return -1;
+
+ *(unsigned int *)extra_args = no_rx;
+ return 0;
+}
+
static int
rte_pmd_null_probe(struct rte_vdev_device *dev)
{
const char *name, *params;
- unsigned packet_size = default_packet_size;
- unsigned packet_copy = default_packet_copy;
+ struct pmd_options args = {
+ .packet_copy = default_packet_copy,
+ .packet_size = default_packet_size,
+ .no_rx = default_no_rx,
+ };
struct rte_kvargs *kvlist = NULL;
+ struct rte_eth_dev *eth_dev;
int ret;
if (!dev)
name = rte_vdev_device_name(dev);
params = rte_vdev_device_args(dev);
- RTE_LOG(INFO, PMD, "Initializing pmd_null for %s\n", name);
+ PMD_LOG(INFO, "Initializing pmd_null for %s", name);
+
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
+ struct pmd_internals *internals;
+ eth_dev = rte_eth_dev_attach_secondary(name);
+ if (!eth_dev) {
+ PMD_LOG(ERR, "Failed to probe %s", name);
+ return -1;
+ }
+ /* TODO: request info from primary to set up Rx and Tx */
+ eth_dev->dev_ops = &ops;
+ eth_dev->device = &dev->device;
+ internals = eth_dev->data->dev_private;
+ if (internals->packet_copy) {
+ eth_dev->rx_pkt_burst = eth_null_copy_rx;
+ eth_dev->tx_pkt_burst = eth_null_copy_tx;
+ } else if (internals->no_rx) {
+ eth_dev->rx_pkt_burst = eth_null_no_rx;
+ eth_dev->tx_pkt_burst = eth_null_tx;
+ } else {
+ eth_dev->rx_pkt_burst = eth_null_rx;
+ eth_dev->tx_pkt_burst = eth_null_tx;
+ }
+ rte_eth_dev_probing_finish(eth_dev);
+ return 0;
+ }
if (params != NULL) {
kvlist = rte_kvargs_parse(params, valid_arguments);
if (kvlist == NULL)
return -1;
- if (rte_kvargs_count(kvlist, ETH_NULL_PACKET_SIZE_ARG) == 1) {
-
- ret = rte_kvargs_process(kvlist,
- ETH_NULL_PACKET_SIZE_ARG,
- &get_packet_size_arg, &packet_size);
- if (ret < 0)
- goto free_kvlist;
- }
-
- if (rte_kvargs_count(kvlist, ETH_NULL_PACKET_COPY_ARG) == 1) {
-
- ret = rte_kvargs_process(kvlist,
- ETH_NULL_PACKET_COPY_ARG,
- &get_packet_copy_arg, &packet_copy);
- if (ret < 0)
- goto free_kvlist;
+ ret = rte_kvargs_process(kvlist,
+ ETH_NULL_PACKET_SIZE_ARG,
+ &get_packet_size_arg, &args.packet_size);
+ if (ret < 0)
+ goto free_kvlist;
+
+
+ ret = rte_kvargs_process(kvlist,
+ ETH_NULL_PACKET_COPY_ARG,
+ &get_packet_copy_arg, &args.packet_copy);
+ if (ret < 0)
+ goto free_kvlist;
+
+ ret = rte_kvargs_process(kvlist,
+ ETH_NULL_PACKET_NO_RX_ARG,
+ &get_packet_no_rx_arg, &args.no_rx);
+ if (ret < 0)
+ goto free_kvlist;
+
+ if (args.no_rx && args.packet_copy) {
+ PMD_LOG(ERR,
+ "Both %s and %s arguments at the same time not supported",
+ ETH_NULL_PACKET_COPY_ARG,
+ ETH_NULL_PACKET_NO_RX_ARG);
+ goto free_kvlist;
}
}
- RTE_LOG(INFO, PMD, "Configure pmd_null: packet size is %d, "
- "packet copy is %s\n", packet_size,
- packet_copy ? "enabled" : "disabled");
+ PMD_LOG(INFO, "Configure pmd_null: packet size is %d, "
+ "packet copy is %s", args.packet_size,
+ args.packet_copy ? "enabled" : "disabled");
- ret = eth_dev_null_create(dev, packet_size, packet_copy);
+ ret = eth_dev_null_create(dev, &args);
free_kvlist:
if (kvlist)
if (!dev)
return -EINVAL;
- RTE_LOG(INFO, PMD, "Closing null ethdev on numa socket %u\n",
+ PMD_LOG(INFO, "Closing null ethdev on numa socket %u",
rte_socket_id());
/* find the ethdev entry */
if (eth_dev == NULL)
return -1;
- rte_free(eth_dev->data->dev_private);
- rte_free(eth_dev->data);
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+ /* 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);
RTE_PMD_REGISTER_ALIAS(net_null, eth_null);
RTE_PMD_REGISTER_PARAM_STRING(net_null,
"size=<int> "
- "copy=<int>");
+ "copy=<int> "
+ ETH_NULL_PACKET_NO_RX_ARG "=0|1");
git.droids-corp.org / dpdk.git / blobdiff