-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2017 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) 2017 Intel Corporation
*/
#include <fcntl.h>
#include <pthread.h>
#include <unistd.h>
-#include <rte_ethdev.h>
+#include <rte_string_fns.h>
+#include <rte_ethdev_driver.h>
#include <rte_ethdev_vdev.h>
#include <rte_kni.h>
#include <rte_kvargs.h>
#include <rte_malloc.h>
-#include <rte_vdev.h>
+#include <rte_bus_vdev.h>
/* Only single queue supported */
#define KNI_MAX_QUEUE_PER_PORT 1
-#define MAX_PACKET_SZ 2048
#define MAX_KNI_PORTS 8
+#define KNI_ETHER_MTU(mbuf_size) \
+ ((mbuf_size) - RTE_ETHER_HDR_LEN) /**< Ethernet MTU. */
+
#define ETH_KNI_NO_REQUEST_THREAD_ARG "no_request_thread"
static const char * const valid_arguments[] = {
ETH_KNI_NO_REQUEST_THREAD_ARG,
struct pmd_queue_stats {
uint64_t pkts;
uint64_t bytes;
- uint64_t err_pkts;
};
struct pmd_queue {
struct pmd_internals {
struct rte_kni *kni;
+ uint16_t port_id;
int is_kni_started;
pthread_t thread;
int stop_thread;
int no_request_thread;
- struct ether_addr eth_addr;
+ struct rte_ether_addr eth_addr;
struct pmd_queue rx_queues[KNI_MAX_QUEUE_PER_PORT];
struct pmd_queue tx_queues[KNI_MAX_QUEUE_PER_PORT];
.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 is_kni_initialized;
+RTE_LOG_REGISTER(eth_kni_logtype, pmd.net.kni, NOTICE);
+
+#define PMD_LOG(level, fmt, args...) \
+ rte_log(RTE_LOG_ ## level, eth_kni_logtype, \
+ "%s(): " fmt "\n", __func__, ##args)
static uint16_t
eth_kni_rx(void *q, struct rte_mbuf **bufs, uint16_t nb_bufs)
{
struct pmd_queue *kni_q = q;
struct rte_kni *kni = kni_q->internals->kni;
uint16_t nb_pkts;
+ int i;
nb_pkts = rte_kni_rx_burst(kni, bufs, nb_bufs);
+ for (i = 0; i < nb_pkts; i++)
+ bufs[i]->port = kni_q->internals->port_id;
kni_q->rx.pkts += nb_pkts;
- kni_q->rx.err_pkts += nb_bufs - nb_pkts;
return nb_pkts;
}
nb_pkts = rte_kni_tx_burst(kni, bufs, nb_bufs);
kni_q->tx.pkts += nb_pkts;
- kni_q->tx.err_pkts += nb_bufs - nb_pkts;
return nb_pkts;
}
struct rte_kni_conf conf;
const char *name = dev->device->name + 4; /* remove net_ */
- snprintf(conf.name, RTE_KNI_NAMESIZE, "%s", name);
+ mb_pool = internals->rx_queues[0].mb_pool;
+ strlcpy(conf.name, name, RTE_KNI_NAMESIZE);
conf.force_bind = 0;
conf.group_id = port_id;
- conf.mbuf_size = MAX_PACKET_SZ;
- mb_pool = internals->rx_queues[0].mb_pool;
+ conf.mbuf_size =
+ rte_pktmbuf_data_room_size(mb_pool) - RTE_PKTMBUF_HEADROOM;
+ conf.mtu = KNI_ETHER_MTU(conf.mbuf_size);
internals->kni = rte_kni_alloc(mb_pool, &conf, NULL);
if (internals->kni == NULL) {
- RTE_LOG(ERR, PMD,
- "Fail to create kni interface for port: %d\n",
+ PMD_LOG(ERR,
+ "Fail to create kni interface for port: %d",
port_id);
return -1;
}
}
if (internals->no_request_thread == 0) {
- ret = pthread_create(&internals->thread, NULL,
+ internals->stop_thread = 0;
+
+ ret = rte_ctrl_thread_create(&internals->thread,
+ "kni_handle_req", NULL,
kni_handle_request, internals);
if (ret) {
- RTE_LOG(ERR, PMD,
- "Fail to create kni request thread\n");
+ PMD_LOG(ERR,
+ "Fail to create kni request thread");
return -1;
}
}
struct pmd_internals *internals = dev->data->dev_private;
int ret;
- if (internals->no_request_thread == 0) {
+ if (internals->no_request_thread == 0 && internals->stop_thread == 0) {
internals->stop_thread = 1;
ret = pthread_cancel(internals->thread);
if (ret)
- RTE_LOG(ERR, PMD, "Can't cancel the thread\n");
+ PMD_LOG(ERR, "Can't cancel the thread");
ret = pthread_join(internals->thread, NULL);
if (ret)
- RTE_LOG(ERR, PMD, "Can't join the thread\n");
-
- internals->stop_thread = 0;
+ PMD_LOG(ERR, "Can't join the thread");
}
dev->data->dev_link.link_status = 0;
}
+static void
+eth_kni_close(struct rte_eth_dev *eth_dev)
+{
+ struct pmd_internals *internals;
+ int ret;
+
+ eth_kni_dev_stop(eth_dev);
+
+ /* mac_addrs must not be freed alone because part of dev_private */
+ eth_dev->data->mac_addrs = NULL;
+
+ internals = eth_dev->data->dev_private;
+ ret = rte_kni_release(internals->kni);
+ if (ret)
+ PMD_LOG(WARNING, "Not able to release kni for %s",
+ eth_dev->data->name);
+}
+
static int
eth_kni_dev_configure(struct rte_eth_dev *dev __rte_unused)
{
return 0;
}
-static void
+static int
eth_kni_dev_info(struct rte_eth_dev *dev __rte_unused,
struct rte_eth_dev_info *dev_info)
{
dev_info->max_rx_queues = KNI_MAX_QUEUE_PER_PORT;
dev_info->max_tx_queues = KNI_MAX_QUEUE_PER_PORT;
dev_info->min_rx_bufsize = 0;
- dev_info->pci_dev = NULL;
+
+ return 0;
}
static int
return 0;
}
-static void
+static int
eth_kni_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
{
unsigned long rx_packets_total = 0, rx_bytes_total = 0;
unsigned long tx_packets_total = 0, tx_bytes_total = 0;
struct rte_eth_dev_data *data = dev->data;
- unsigned long tx_packets_err_total = 0;
unsigned int i, num_stats;
struct pmd_queue *q;
q = data->tx_queues[i];
stats->q_opackets[i] = q->tx.pkts;
stats->q_obytes[i] = q->tx.bytes;
- stats->q_errors[i] = q->tx.err_pkts;
tx_packets_total += stats->q_opackets[i];
tx_bytes_total += stats->q_obytes[i];
- tx_packets_err_total += stats->q_errors[i];
}
stats->ipackets = rx_packets_total;
stats->ibytes = rx_bytes_total;
stats->opackets = tx_packets_total;
stats->obytes = tx_bytes_total;
- stats->oerrors = tx_packets_err_total;
+
+ return 0;
}
-static void
+static int
eth_kni_stats_reset(struct rte_eth_dev *dev)
{
struct rte_eth_dev_data *data = dev->data;
q = data->tx_queues[i];
q->tx.pkts = 0;
q->tx.bytes = 0;
- q->tx.err_pkts = 0;
}
+
+ return 0;
}
static const struct eth_dev_ops eth_kni_ops = {
.dev_start = eth_kni_dev_start,
.dev_stop = eth_kni_dev_stop,
+ .dev_close = eth_kni_close,
.dev_configure = eth_kni_dev_configure,
.dev_infos_get = eth_kni_dev_info,
.rx_queue_setup = eth_kni_rx_queue_setup,
.stats_reset = eth_kni_stats_reset,
};
-static struct rte_vdev_driver eth_kni_drv;
-
static struct rte_eth_dev *
eth_kni_create(struct rte_vdev_device *vdev,
struct eth_kni_args *args,
struct pmd_internals *internals;
struct rte_eth_dev_data *data;
struct rte_eth_dev *eth_dev;
- const char *name;
- RTE_LOG(INFO, PMD, "Creating kni ethdev on numa socket %u\n",
+ PMD_LOG(INFO, "Creating kni ethdev on numa socket %u",
numa_node);
- name = rte_vdev_device_name(vdev);
- data = rte_zmalloc_socket(name, sizeof(*data), 0, numa_node);
- if (data == NULL)
- return NULL;
-
/* reserve an ethdev entry */
eth_dev = rte_eth_vdev_allocate(vdev, sizeof(*internals));
- if (eth_dev == NULL) {
- rte_free(data);
+ if (!eth_dev)
return NULL;
- }
internals = eth_dev->data->dev_private;
- rte_memcpy(data, eth_dev->data, sizeof(*data));
+ internals->port_id = eth_dev->data->port_id;
+ data = eth_dev->data;
data->nb_rx_queues = 1;
data->nb_tx_queues = 1;
data->dev_link = pmd_link;
data->mac_addrs = &internals->eth_addr;
+ data->promiscuous = 1;
+ data->all_multicast = 1;
- eth_random_addr(internals->eth_addr.addr_bytes);
+ data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
- eth_dev->data = data;
- eth_dev->dev_ops = ð_kni_ops;
+ rte_eth_random_addr(internals->eth_addr.addr_bytes);
- data->dev_flags = RTE_ETH_DEV_DETACHABLE;
+ eth_dev->dev_ops = ð_kni_ops;
internals->no_request_thread = args->no_request_thread;
name = rte_vdev_device_name(vdev);
params = rte_vdev_device_args(vdev);
- RTE_LOG(INFO, PMD, "Initializing eth_kni for %s\n", name);
+ PMD_LOG(INFO, "Initializing eth_kni for %s", name);
+
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
+ 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 = ð_kni_ops;
+ eth_dev->device = &vdev->device;
+ rte_eth_dev_probing_finish(eth_dev);
+ return 0;
+ }
ret = eth_kni_kvargs_process(&args, params);
if (ret < 0)
eth_dev->rx_pkt_burst = eth_kni_rx;
eth_dev->tx_pkt_burst = eth_kni_tx;
+ rte_eth_dev_probing_finish(eth_dev);
return 0;
kni_uninit:
eth_kni_remove(struct rte_vdev_device *vdev)
{
struct rte_eth_dev *eth_dev;
- struct pmd_internals *internals;
const char *name;
name = rte_vdev_device_name(vdev);
- RTE_LOG(INFO, PMD, "Un-Initializing eth_kni for %s\n", name);
+ PMD_LOG(INFO, "Un-Initializing eth_kni for %s", name);
/* find the ethdev entry */
eth_dev = rte_eth_dev_allocated(name);
if (eth_dev == NULL)
return -1;
- eth_kni_dev_stop(eth_dev);
-
- internals = eth_dev->data->dev_private;
- rte_kni_release(internals->kni);
-
- rte_free(internals);
- rte_free(eth_dev->data);
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+ eth_kni_dev_stop(eth_dev);
+ return rte_eth_dev_release_port(eth_dev);
+ }
+ eth_kni_close(eth_dev);
rte_eth_dev_release_port(eth_dev);
is_kni_initialized--;
git.droids-corp.org / dpdk.git / blobdiff