-/*-
- * BSD LICENSE
- *
- * Copyright (c) 2016 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) 2016 IGEL Co., Ltd.
+ * Copyright(c) 2016-2018 Intel Corporation
*/
#include <unistd.h>
#include <pthread.h>
#include <stdbool.h>
+#include <sys/epoll.h>
#include <rte_mbuf.h>
#include <rte_ethdev_driver.h>
#include "rte_eth_vhost.h"
+RTE_LOG_REGISTER(vhost_logtype, pmd.net.vhost, NOTICE);
+
+#define VHOST_LOG(level, ...) \
+ rte_log(RTE_LOG_ ## level, vhost_logtype, __VA_ARGS__)
+
enum {VIRTIO_RXQ, VIRTIO_TXQ, VIRTIO_QNUM};
#define ETH_VHOST_IFACE_ARG "iface"
#define ETH_VHOST_CLIENT_ARG "client"
#define ETH_VHOST_DEQUEUE_ZERO_COPY "dequeue-zero-copy"
#define ETH_VHOST_IOMMU_SUPPORT "iommu-support"
+#define ETH_VHOST_POSTCOPY_SUPPORT "postcopy-support"
+#define ETH_VHOST_VIRTIO_NET_F_HOST_TSO "tso"
+#define ETH_VHOST_LINEAR_BUF "linear-buffer"
+#define ETH_VHOST_EXT_BUF "ext-buffer"
#define VHOST_MAX_PKT_BURST 32
static const char *valid_arguments[] = {
ETH_VHOST_CLIENT_ARG,
ETH_VHOST_DEQUEUE_ZERO_COPY,
ETH_VHOST_IOMMU_SUPPORT,
+ ETH_VHOST_POSTCOPY_SUPPORT,
+ ETH_VHOST_VIRTIO_NET_F_HOST_TSO,
+ ETH_VHOST_LINEAR_BUF,
+ ETH_VHOST_EXT_BUF,
NULL
};
-static struct ether_addr base_eth_addr = {
+static struct rte_ether_addr base_eth_addr = {
.addr_bytes = {
0x56 /* V */,
0x48 /* H */,
uint16_t port;
uint16_t virtqueue_id;
struct vhost_stats stats;
+ int intr_enable;
+ rte_spinlock_t intr_lock;
};
struct pmd_internal {
rte_atomic32_t dev_attached;
- char *dev_name;
char *iface_name;
+ uint64_t flags;
+ uint64_t disable_flags;
uint16_t max_queues;
- uint16_t vid;
+ int vid;
rte_atomic32_t started;
uint8_t vlan_strip;
};
#define VHOST_NB_XSTATS_TXPORT (sizeof(vhost_txport_stat_strings) / \
sizeof(vhost_txport_stat_strings[0]))
-static void
+static int
vhost_dev_xstats_reset(struct rte_eth_dev *dev)
{
struct vhost_queue *vq = NULL;
continue;
memset(&vq->stats, 0, sizeof(vq->stats));
}
+
+ return 0;
}
static int
vhost_count_multicast_broadcast(struct vhost_queue *vq,
struct rte_mbuf *mbuf)
{
- struct ether_addr *ea = NULL;
+ struct rte_ether_addr *ea = NULL;
struct vhost_stats *pstats = &vq->stats;
- ea = rte_pktmbuf_mtod(mbuf, struct ether_addr *);
- if (is_multicast_ether_addr(ea)) {
- if (is_broadcast_ether_addr(ea))
+ ea = rte_pktmbuf_mtod(mbuf, struct rte_ether_addr *);
+ if (rte_is_multicast_ether_addr(ea)) {
+ if (rte_is_broadcast_ether_addr(ea))
pstats->xstats[VHOST_BROADCAST_PKT]++;
else
pstats->xstats[VHOST_MULTICAST_PKT]++;
for (i = 0; likely(i < nb_rx); i++) {
bufs[i]->port = r->port;
- bufs[i]->ol_flags = 0;
bufs[i]->vlan_tci = 0;
if (r->internal->vlan_strip)
return nb_tx;
}
-static int
-eth_dev_configure(struct rte_eth_dev *dev __rte_unused)
-{
- struct pmd_internal *internal = dev->data->dev_private;
- const struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
-
- internal->vlan_strip = rxmode->hw_vlan_strip;
-
- if (rxmode->hw_vlan_filter)
- RTE_LOG(WARNING, PMD,
- "vhost(%s): vlan filtering not available\n",
- internal->dev_name);
-
- return 0;
-}
-
static inline struct internal_list *
find_internal_resource(char *ifname)
{
return list;
}
+static int
+eth_vhost_update_intr(struct rte_eth_dev *eth_dev, uint16_t rxq_idx)
+{
+ struct rte_intr_handle *handle = eth_dev->intr_handle;
+ struct rte_epoll_event rev;
+ int epfd, ret;
+
+ if (!handle)
+ return 0;
+
+ if (handle->efds[rxq_idx] == handle->elist[rxq_idx].fd)
+ return 0;
+
+ VHOST_LOG(INFO, "kickfd for rxq-%d was changed, updating handler.\n",
+ rxq_idx);
+
+ if (handle->elist[rxq_idx].fd != -1)
+ VHOST_LOG(ERR, "Unexpected previous kickfd value (Got %d, expected -1).\n",
+ handle->elist[rxq_idx].fd);
+
+ /*
+ * First remove invalid epoll event, and then install
+ * the new one. May be solved with a proper API in the
+ * future.
+ */
+ epfd = handle->elist[rxq_idx].epfd;
+ rev = handle->elist[rxq_idx];
+ ret = rte_epoll_ctl(epfd, EPOLL_CTL_DEL, rev.fd,
+ &handle->elist[rxq_idx]);
+ if (ret) {
+ VHOST_LOG(ERR, "Delete epoll event failed.\n");
+ return ret;
+ }
+
+ rev.fd = handle->efds[rxq_idx];
+ handle->elist[rxq_idx] = rev;
+ ret = rte_epoll_ctl(epfd, EPOLL_CTL_ADD, rev.fd,
+ &handle->elist[rxq_idx]);
+ if (ret) {
+ VHOST_LOG(ERR, "Add epoll event failed.\n");
+ return ret;
+ }
+
+ return 0;
+}
+
static int
eth_rxq_intr_enable(struct rte_eth_dev *dev, uint16_t qid)
{
struct rte_vhost_vring vring;
struct vhost_queue *vq;
- int ret = 0;
+ int old_intr_enable, ret = 0;
vq = dev->data->rx_queues[qid];
if (!vq) {
- RTE_LOG(ERR, PMD, "rxq%d is not setup yet\n", qid);
+ VHOST_LOG(ERR, "rxq%d is not setup yet\n", qid);
return -1;
}
+ rte_spinlock_lock(&vq->intr_lock);
+ old_intr_enable = vq->intr_enable;
+ vq->intr_enable = 1;
+ ret = eth_vhost_update_intr(dev, qid);
+ rte_spinlock_unlock(&vq->intr_lock);
+
+ if (ret < 0) {
+ VHOST_LOG(ERR, "Failed to update rxq%d's intr\n", qid);
+ vq->intr_enable = old_intr_enable;
+ return ret;
+ }
+
ret = rte_vhost_get_vhost_vring(vq->vid, (qid << 1) + 1, &vring);
if (ret < 0) {
- RTE_LOG(ERR, PMD, "Failed to get rxq%d's vring\n", qid);
+ VHOST_LOG(ERR, "Failed to get rxq%d's vring\n", qid);
return ret;
}
- RTE_LOG(INFO, PMD, "Enable interrupt for rxq%d\n", qid);
+ VHOST_LOG(INFO, "Enable interrupt for rxq%d\n", qid);
rte_vhost_enable_guest_notification(vq->vid, (qid << 1) + 1, 1);
rte_wmb();
vq = dev->data->rx_queues[qid];
if (!vq) {
- RTE_LOG(ERR, PMD, "rxq%d is not setup yet\n", qid);
+ VHOST_LOG(ERR, "rxq%d is not setup yet\n", qid);
return -1;
}
ret = rte_vhost_get_vhost_vring(vq->vid, (qid << 1) + 1, &vring);
if (ret < 0) {
- RTE_LOG(ERR, PMD, "Failed to get rxq%d's vring", qid);
+ VHOST_LOG(ERR, "Failed to get rxq%d's vring", qid);
return ret;
}
- RTE_LOG(INFO, PMD, "Disable interrupt for rxq%d\n", qid);
+ VHOST_LOG(INFO, "Disable interrupt for rxq%d\n", qid);
rte_vhost_enable_guest_notification(vq->vid, (qid << 1) + 1, 0);
rte_wmb();
+ vq->intr_enable = 0;
+
return 0;
}
{
struct rte_vhost_vring vring;
struct vhost_queue *vq;
- int count = 0;
int nb_rxq = dev->data->nb_rx_queues;
int i;
int ret;
dev->intr_handle = malloc(sizeof(*dev->intr_handle));
if (!dev->intr_handle) {
- RTE_LOG(ERR, PMD, "Fail to allocate intr_handle\n");
+ VHOST_LOG(ERR, "Fail to allocate intr_handle\n");
return -ENOMEM;
}
memset(dev->intr_handle, 0, sizeof(*dev->intr_handle));
malloc(nb_rxq * sizeof(dev->intr_handle->intr_vec[0]));
if (!dev->intr_handle->intr_vec) {
- RTE_LOG(ERR, PMD,
+ VHOST_LOG(ERR,
"Failed to allocate memory for interrupt vector\n");
free(dev->intr_handle);
return -ENOMEM;
}
- RTE_LOG(INFO, PMD, "Prepare intr vec\n");
+ VHOST_LOG(INFO, "Prepare intr vec\n");
for (i = 0; i < nb_rxq; i++) {
+ dev->intr_handle->intr_vec[i] = RTE_INTR_VEC_RXTX_OFFSET + i;
+ dev->intr_handle->efds[i] = -1;
vq = dev->data->rx_queues[i];
if (!vq) {
- RTE_LOG(INFO, PMD, "rxq-%d not setup yet, skip!\n", i);
+ VHOST_LOG(INFO, "rxq-%d not setup yet, skip!\n", i);
continue;
}
ret = rte_vhost_get_vhost_vring(vq->vid, (i << 1) + 1, &vring);
if (ret < 0) {
- RTE_LOG(INFO, PMD,
+ VHOST_LOG(INFO,
"Failed to get rxq-%d's vring, skip!\n", i);
continue;
}
if (vring.kickfd < 0) {
- RTE_LOG(INFO, PMD,
+ VHOST_LOG(INFO,
"rxq-%d's kickfd is invalid, skip!\n", i);
continue;
}
- dev->intr_handle->intr_vec[i] = RTE_INTR_VEC_RXTX_OFFSET + i;
dev->intr_handle->efds[i] = vring.kickfd;
- count++;
- RTE_LOG(INFO, PMD, "Installed intr vec for rxq-%d\n", i);
+ VHOST_LOG(INFO, "Installed intr vec for rxq-%d\n", i);
}
- dev->intr_handle->nb_efd = count;
- dev->intr_handle->max_intr = count + 1;
+ dev->intr_handle->nb_efd = nb_rxq;
+ dev->intr_handle->max_intr = nb_rxq + 1;
dev->intr_handle->type = RTE_INTR_HANDLE_VDEV;
return 0;
rte_vhost_get_ifname(vid, ifname, sizeof(ifname));
list = find_internal_resource(ifname);
if (list == NULL) {
- RTE_LOG(INFO, PMD, "Invalid device name: %s\n", ifname);
+ VHOST_LOG(INFO, "Invalid device name: %s\n", ifname);
return -1;
}
if (dev_conf->intr_conf.rxq) {
if (eth_vhost_install_intr(eth_dev) < 0) {
- RTE_LOG(INFO, PMD,
+ VHOST_LOG(INFO,
"Failed to install interrupt handler.");
return -1;
}
}
} else {
- RTE_LOG(INFO, PMD, "RX/TX queues not exist yet\n");
+ VHOST_LOG(INFO, "RX/TX queues not exist yet\n");
}
for (i = 0; i < rte_vhost_get_vring_num(vid); i++)
rte_atomic32_set(&internal->dev_attached, 1);
update_queuing_status(eth_dev);
- RTE_LOG(INFO, PMD, "Vhost device %d created\n", vid);
+ VHOST_LOG(INFO, "Vhost device %d created\n", vid);
_rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_INTR_LSC, NULL);
rte_vhost_get_ifname(vid, ifname, sizeof(ifname));
list = find_internal_resource(ifname);
if (list == NULL) {
- RTE_LOG(ERR, PMD, "Invalid interface name: %s\n", ifname);
+ VHOST_LOG(ERR, "Invalid interface name: %s\n", ifname);
return;
}
eth_dev = list->eth_dev;
state->max_vring = 0;
rte_spinlock_unlock(&state->lock);
- RTE_LOG(INFO, PMD, "Vhost device %d destroyed\n", vid);
+ VHOST_LOG(INFO, "Vhost device %d destroyed\n", vid);
eth_vhost_uninstall_intr(eth_dev);
_rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_INTR_LSC, NULL);
}
+static int
+vring_conf_update(int vid, struct rte_eth_dev *eth_dev, uint16_t vring_id)
+{
+ struct rte_eth_conf *dev_conf = ð_dev->data->dev_conf;
+ struct pmd_internal *internal = eth_dev->data->dev_private;
+ struct vhost_queue *vq;
+ struct rte_vhost_vring vring;
+ int rx_idx = vring_id % 2 ? (vring_id - 1) >> 1 : -1;
+ int ret = 0;
+
+ /*
+ * The vring kickfd may be changed after the new device notification.
+ * Update it when the vring state is updated.
+ */
+ if (rx_idx >= 0 && rx_idx < eth_dev->data->nb_rx_queues &&
+ rte_atomic32_read(&internal->dev_attached) &&
+ rte_atomic32_read(&internal->started) &&
+ dev_conf->intr_conf.rxq) {
+ ret = rte_vhost_get_vhost_vring(vid, vring_id, &vring);
+ if (ret) {
+ VHOST_LOG(ERR, "Failed to get vring %d information.\n",
+ vring_id);
+ return ret;
+ }
+ eth_dev->intr_handle->efds[rx_idx] = vring.kickfd;
+
+ vq = eth_dev->data->rx_queues[rx_idx];
+ if (!vq) {
+ VHOST_LOG(ERR, "rxq%d is not setup yet\n", rx_idx);
+ return -1;
+ }
+
+ rte_spinlock_lock(&vq->intr_lock);
+ if (vq->intr_enable)
+ ret = eth_vhost_update_intr(eth_dev, rx_idx);
+ rte_spinlock_unlock(&vq->intr_lock);
+ }
+
+ return ret;
+}
+
static int
vring_state_changed(int vid, uint16_t vring, int enable)
{
rte_vhost_get_ifname(vid, ifname, sizeof(ifname));
list = find_internal_resource(ifname);
if (list == NULL) {
- RTE_LOG(ERR, PMD, "Invalid interface name: %s\n", ifname);
+ VHOST_LOG(ERR, "Invalid interface name: %s\n", ifname);
return -1;
}
eth_dev = list->eth_dev;
/* won't be NULL */
state = vring_states[eth_dev->data->port_id];
+
+ if (enable && vring_conf_update(vid, eth_dev, vring))
+ VHOST_LOG(INFO, "Failed to update vring-%d configuration.\n",
+ (int)vring);
+
rte_spinlock_lock(&state->lock);
+ if (state->cur[vring] == enable) {
+ rte_spinlock_unlock(&state->lock);
+ return 0;
+ }
state->cur[vring] = enable;
state->max_vring = RTE_MAX(vring, state->max_vring);
rte_spinlock_unlock(&state->lock);
- RTE_LOG(INFO, PMD, "vring%u is %s\n",
+ VHOST_LOG(INFO, "vring%u is %s\n",
vring, enable ? "enabled" : "disabled");
_rte_eth_dev_callback_process(eth_dev, RTE_ETH_EVENT_QUEUE_STATE, NULL);
.vring_state_changed = vring_state_changed,
};
+static int
+vhost_driver_setup(struct rte_eth_dev *eth_dev)
+{
+ struct pmd_internal *internal = eth_dev->data->dev_private;
+ struct internal_list *list = NULL;
+ struct rte_vhost_vring_state *vring_state = NULL;
+ unsigned int numa_node = eth_dev->device->numa_node;
+ const char *name = eth_dev->device->name;
+
+ /* Don't try to setup again if it has already been done. */
+ list = find_internal_resource(internal->iface_name);
+ if (list)
+ return 0;
+
+ list = rte_zmalloc_socket(name, sizeof(*list), 0, numa_node);
+ if (list == NULL)
+ return -1;
+
+ vring_state = rte_zmalloc_socket(name, sizeof(*vring_state),
+ 0, numa_node);
+ if (vring_state == NULL)
+ goto free_list;
+
+ list->eth_dev = eth_dev;
+ pthread_mutex_lock(&internal_list_lock);
+ TAILQ_INSERT_TAIL(&internal_list, list, next);
+ pthread_mutex_unlock(&internal_list_lock);
+
+ rte_spinlock_init(&vring_state->lock);
+ vring_states[eth_dev->data->port_id] = vring_state;
+
+ if (rte_vhost_driver_register(internal->iface_name, internal->flags))
+ goto list_remove;
+
+ if (internal->disable_flags) {
+ if (rte_vhost_driver_disable_features(internal->iface_name,
+ internal->disable_flags))
+ goto drv_unreg;
+ }
+
+ if (rte_vhost_driver_callback_register(internal->iface_name,
+ &vhost_ops) < 0) {
+ VHOST_LOG(ERR, "Can't register callbacks\n");
+ goto drv_unreg;
+ }
+
+ if (rte_vhost_driver_start(internal->iface_name) < 0) {
+ VHOST_LOG(ERR, "Failed to start driver for %s\n",
+ internal->iface_name);
+ goto drv_unreg;
+ }
+
+ return 0;
+
+drv_unreg:
+ rte_vhost_driver_unregister(internal->iface_name);
+list_remove:
+ vring_states[eth_dev->data->port_id] = NULL;
+ pthread_mutex_lock(&internal_list_lock);
+ TAILQ_REMOVE(&internal_list, list, next);
+ pthread_mutex_unlock(&internal_list_lock);
+ rte_free(vring_state);
+free_list:
+ rte_free(list);
+
+ return -1;
+}
+
int
rte_eth_vhost_get_queue_event(uint16_t port_id,
struct rte_eth_vhost_queue_event *event)
int idx;
if (port_id >= RTE_MAX_ETHPORTS) {
- RTE_LOG(ERR, PMD, "Invalid port id\n");
+ VHOST_LOG(ERR, "Invalid port id\n");
return -1;
}
state = vring_states[port_id];
if (!state) {
- RTE_LOG(ERR, PMD, "Unused port\n");
+ VHOST_LOG(ERR, "Unused port\n");
return -1;
}
return vid;
}
+static int
+eth_dev_configure(struct rte_eth_dev *dev)
+{
+ struct pmd_internal *internal = dev->data->dev_private;
+ const struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
+
+ /* NOTE: the same process has to operate a vhost interface
+ * from beginning to end (from eth_dev configure to eth_dev close).
+ * It is user's responsibility at the moment.
+ */
+ if (vhost_driver_setup(dev) < 0)
+ return -1;
+
+ internal->vlan_strip = !!(rxmode->offloads & DEV_RX_OFFLOAD_VLAN_STRIP);
+
+ return 0;
+}
+
static int
eth_dev_start(struct rte_eth_dev *eth_dev)
{
if (rte_atomic32_read(&internal->dev_attached) == 1) {
if (dev_conf->intr_conf.rxq) {
if (eth_vhost_install_intr(eth_dev) < 0) {
- RTE_LOG(INFO, PMD,
+ VHOST_LOG(INFO,
"Failed to install interrupt handler.");
return -1;
}
eth_dev_stop(dev);
- rte_vhost_driver_unregister(internal->iface_name);
-
list = find_internal_resource(internal->iface_name);
- if (!list)
- return;
-
- pthread_mutex_lock(&internal_list_lock);
- TAILQ_REMOVE(&internal_list, list, next);
- pthread_mutex_unlock(&internal_list_lock);
- rte_free(list);
+ if (list) {
+ rte_vhost_driver_unregister(internal->iface_name);
+ pthread_mutex_lock(&internal_list_lock);
+ TAILQ_REMOVE(&internal_list, list, next);
+ pthread_mutex_unlock(&internal_list_lock);
+ rte_free(list);
+ }
if (dev->data->rx_queues)
for (i = 0; i < dev->data->nb_rx_queues; i++)
for (i = 0; i < dev->data->nb_tx_queues; i++)
rte_free(dev->data->tx_queues[i]);
- rte_free(dev->data->mac_addrs);
- free(internal->dev_name);
- free(internal->iface_name);
+ rte_free(internal->iface_name);
rte_free(internal);
dev->data->dev_private = NULL;
+
+ rte_free(vring_states[dev->data->port_id]);
+ vring_states[dev->data->port_id] = NULL;
}
static int
vq = rte_zmalloc_socket(NULL, sizeof(struct vhost_queue),
RTE_CACHE_LINE_SIZE, socket_id);
if (vq == NULL) {
- RTE_LOG(ERR, PMD, "Failed to allocate memory for rx queue\n");
+ VHOST_LOG(ERR, "Failed to allocate memory for rx queue\n");
return -ENOMEM;
}
vq->mb_pool = mb_pool;
vq->virtqueue_id = rx_queue_id * VIRTIO_QNUM + VIRTIO_TXQ;
+ rte_spinlock_init(&vq->intr_lock);
dev->data->rx_queues[rx_queue_id] = vq;
return 0;
vq = rte_zmalloc_socket(NULL, sizeof(struct vhost_queue),
RTE_CACHE_LINE_SIZE, socket_id);
if (vq == NULL) {
- RTE_LOG(ERR, PMD, "Failed to allocate memory for tx queue\n");
+ VHOST_LOG(ERR, "Failed to allocate memory for tx queue\n");
return -ENOMEM;
}
vq->virtqueue_id = tx_queue_id * VIRTIO_QNUM + VIRTIO_RXQ;
+ rte_spinlock_init(&vq->intr_lock);
dev->data->tx_queues[tx_queue_id] = vq;
return 0;
}
-static void
+static int
eth_dev_info(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info)
{
internal = dev->data->dev_private;
if (internal == NULL) {
- RTE_LOG(ERR, PMD, "Invalid device specified\n");
- return;
+ VHOST_LOG(ERR, "Invalid device specified\n");
+ return -ENODEV;
}
dev_info->max_mac_addrs = 1;
dev_info->max_rx_queues = internal->max_queues;
dev_info->max_tx_queues = internal->max_queues;
dev_info->min_rx_bufsize = 0;
+
+ dev_info->tx_offload_capa = DEV_TX_OFFLOAD_MULTI_SEGS |
+ DEV_TX_OFFLOAD_VLAN_INSERT;
+ dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP;
+
+ return 0;
}
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_missed_total = 0;
+ unsigned long rx_total = 0, tx_total = 0;
unsigned long rx_total_bytes = 0, tx_total_bytes = 0;
struct vhost_queue *vq;
continue;
vq = dev->data->tx_queues[i];
stats->q_opackets[i] = vq->stats.pkts;
- tx_missed_total += vq->stats.missed_pkts;
tx_total += stats->q_opackets[i];
stats->q_obytes[i] = vq->stats.bytes;
stats->ipackets = rx_total;
stats->opackets = tx_total;
- stats->oerrors = tx_missed_total;
stats->ibytes = rx_total_bytes;
stats->obytes = tx_total_bytes;
return 0;
}
-static void
+static int
eth_stats_reset(struct rte_eth_dev *dev)
{
struct vhost_queue *vq;
vq->stats.bytes = 0;
vq->stats.missed_pkts = 0;
}
+
+ return 0;
}
static void
.rx_queue_intr_disable = eth_rxq_intr_disable,
};
-static struct rte_vdev_driver pmd_vhost_drv;
-
static int
eth_dev_vhost_create(struct rte_vdev_device *dev, char *iface_name,
- int16_t queues, const unsigned int numa_node, uint64_t flags)
+ int16_t queues, const unsigned int numa_node, uint64_t flags,
+ uint64_t disable_flags)
{
const char *name = rte_vdev_device_name(dev);
struct rte_eth_dev_data *data;
struct pmd_internal *internal = NULL;
struct rte_eth_dev *eth_dev = NULL;
- struct ether_addr *eth_addr = NULL;
- struct rte_vhost_vring_state *vring_state = NULL;
- struct internal_list *list = NULL;
+ struct rte_ether_addr *eth_addr = NULL;
- RTE_LOG(INFO, PMD, "Creating VHOST-USER backend on numa socket %u\n",
+ VHOST_LOG(INFO, "Creating VHOST-USER backend on numa socket %u\n",
numa_node);
- list = rte_zmalloc_socket(name, sizeof(*list), 0, numa_node);
- if (list == NULL)
- goto error;
-
/* reserve an ethdev entry */
eth_dev = rte_eth_vdev_allocate(dev, sizeof(*internal));
if (eth_dev == NULL)
goto error;
+ data = eth_dev->data;
eth_addr = rte_zmalloc_socket(name, sizeof(*eth_addr), 0, numa_node);
if (eth_addr == NULL)
goto error;
+ data->mac_addrs = eth_addr;
*eth_addr = base_eth_addr;
eth_addr->addr_bytes[5] = eth_dev->data->port_id;
- vring_state = rte_zmalloc_socket(name,
- sizeof(*vring_state), 0, numa_node);
- if (vring_state == NULL)
- goto error;
-
/* now put it all together
* - store queue data in internal,
* - point eth_dev_data to internals
* - and point eth_dev structure to new eth_dev_data structure
*/
internal = eth_dev->data->dev_private;
- internal->dev_name = strdup(name);
- if (internal->dev_name == NULL)
- goto error;
- internal->iface_name = strdup(iface_name);
+ internal->iface_name = rte_malloc_socket(name, strlen(iface_name) + 1,
+ 0, numa_node);
if (internal->iface_name == NULL)
goto error;
+ strcpy(internal->iface_name, iface_name);
- list->eth_dev = eth_dev;
- pthread_mutex_lock(&internal_list_lock);
- TAILQ_INSERT_TAIL(&internal_list, list, next);
- pthread_mutex_unlock(&internal_list_lock);
-
- rte_spinlock_init(&vring_state->lock);
- vring_states[eth_dev->data->port_id] = vring_state;
-
- data = eth_dev->data;
data->nb_rx_queues = queues;
data->nb_tx_queues = queues;
internal->max_queues = queues;
+ internal->vid = -1;
+ internal->flags = flags;
+ internal->disable_flags = disable_flags;
data->dev_link = pmd_link;
- data->mac_addrs = eth_addr;
- data->dev_flags = RTE_ETH_DEV_INTR_LSC;
+ data->dev_flags = RTE_ETH_DEV_INTR_LSC | RTE_ETH_DEV_CLOSE_REMOVE;
+ data->promiscuous = 1;
+ data->all_multicast = 1;
eth_dev->dev_ops = &ops;
eth_dev->rx_pkt_burst = eth_vhost_rx;
eth_dev->tx_pkt_burst = eth_vhost_tx;
- if (rte_vhost_driver_register(iface_name, flags))
- goto error;
-
- if (rte_vhost_driver_callback_register(iface_name, &vhost_ops) < 0) {
- RTE_LOG(ERR, PMD, "Can't register callbacks\n");
- goto error;
- }
-
- if (rte_vhost_driver_start(iface_name) < 0) {
- RTE_LOG(ERR, PMD, "Failed to start driver for %s\n",
- iface_name);
- goto error;
- }
-
- return data->port_id;
+ rte_eth_dev_probing_finish(eth_dev);
+ return 0;
error:
- if (internal) {
- free(internal->iface_name);
- free(internal->dev_name);
- }
- rte_free(vring_state);
- rte_free(eth_addr);
- if (eth_dev)
- rte_eth_dev_release_port(eth_dev);
- rte_free(internal);
- rte_free(list);
+ if (internal)
+ rte_free(internal->iface_name);
+ rte_eth_dev_release_port(eth_dev);
return -1;
}
char *iface_name;
uint16_t queues;
uint64_t flags = 0;
+ uint64_t disable_flags = 0;
int client_mode = 0;
int dequeue_zero_copy = 0;
int iommu_support = 0;
+ int postcopy_support = 0;
+ int tso = 0;
+ int linear_buf = 0;
+ int ext_buf = 0;
+ struct rte_eth_dev *eth_dev;
+ const char *name = rte_vdev_device_name(dev);
- RTE_LOG(INFO, PMD, "Initializing pmd_vhost for %s\n",
- rte_vdev_device_name(dev));
+ VHOST_LOG(INFO, "Initializing pmd_vhost for %s\n", name);
+
+ if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
+ eth_dev = rte_eth_dev_attach_secondary(name);
+ if (!eth_dev) {
+ VHOST_LOG(ERR, "Failed to probe %s\n", name);
+ return -1;
+ }
+ eth_dev->rx_pkt_burst = eth_vhost_rx;
+ eth_dev->tx_pkt_burst = eth_vhost_tx;
+ eth_dev->dev_ops = &ops;
+ if (dev->device.numa_node == SOCKET_ID_ANY)
+ dev->device.numa_node = rte_socket_id();
+ eth_dev->device = &dev->device;
+ rte_eth_dev_probing_finish(eth_dev);
+ return 0;
+ }
kvlist = rte_kvargs_parse(rte_vdev_device_args(dev), valid_arguments);
if (kvlist == NULL)
flags |= RTE_VHOST_USER_IOMMU_SUPPORT;
}
+ if (rte_kvargs_count(kvlist, ETH_VHOST_POSTCOPY_SUPPORT) == 1) {
+ ret = rte_kvargs_process(kvlist, ETH_VHOST_POSTCOPY_SUPPORT,
+ &open_int, &postcopy_support);
+ if (ret < 0)
+ goto out_free;
+
+ if (postcopy_support)
+ flags |= RTE_VHOST_USER_POSTCOPY_SUPPORT;
+ }
+
+ if (rte_kvargs_count(kvlist, ETH_VHOST_VIRTIO_NET_F_HOST_TSO) == 1) {
+ ret = rte_kvargs_process(kvlist,
+ ETH_VHOST_VIRTIO_NET_F_HOST_TSO,
+ &open_int, &tso);
+ if (ret < 0)
+ goto out_free;
+
+ if (tso == 0) {
+ disable_flags |= (1ULL << VIRTIO_NET_F_HOST_TSO4);
+ disable_flags |= (1ULL << VIRTIO_NET_F_HOST_TSO6);
+ }
+ }
+
+ if (rte_kvargs_count(kvlist, ETH_VHOST_LINEAR_BUF) == 1) {
+ ret = rte_kvargs_process(kvlist,
+ ETH_VHOST_LINEAR_BUF,
+ &open_int, &linear_buf);
+ if (ret < 0)
+ goto out_free;
+
+ if (linear_buf == 1)
+ flags |= RTE_VHOST_USER_LINEARBUF_SUPPORT;
+ }
+
+ if (rte_kvargs_count(kvlist, ETH_VHOST_EXT_BUF) == 1) {
+ ret = rte_kvargs_process(kvlist,
+ ETH_VHOST_EXT_BUF,
+ &open_int, &ext_buf);
+ if (ret < 0)
+ goto out_free;
+
+ if (ext_buf == 1)
+ flags |= RTE_VHOST_USER_EXTBUF_SUPPORT;
+ }
+
if (dev->device.numa_node == SOCKET_ID_ANY)
dev->device.numa_node = rte_socket_id();
- eth_dev_vhost_create(dev, iface_name, queues, dev->device.numa_node,
- flags);
+ ret = eth_dev_vhost_create(dev, iface_name, queues,
+ dev->device.numa_node, flags, disable_flags);
+ if (ret == -1)
+ VHOST_LOG(ERR, "Failed to create %s\n", name);
out_free:
rte_kvargs_free(kvlist);
struct rte_eth_dev *eth_dev = NULL;
name = rte_vdev_device_name(dev);
- RTE_LOG(INFO, PMD, "Un-Initializing pmd_vhost for %s\n", name);
+ VHOST_LOG(INFO, "Un-Initializing pmd_vhost for %s\n", name);
/* find an ethdev entry */
eth_dev = rte_eth_dev_allocated(name);
if (eth_dev == NULL)
- return -ENODEV;
+ return 0;
- eth_dev_close(eth_dev);
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return rte_eth_dev_release_port(eth_dev);
- rte_free(vring_states[eth_dev->data->port_id]);
- vring_states[eth_dev->data->port_id] = NULL;
+ eth_dev_close(eth_dev);
rte_eth_dev_release_port(eth_dev);
RTE_PMD_REGISTER_ALIAS(net_vhost, eth_vhost);
RTE_PMD_REGISTER_PARAM_STRING(net_vhost,
"iface=<ifc> "
- "queues=<int>");
+ "queues=<int> "
+ "client=<0|1> "
+ "dequeue-zero-copy=<0|1> "
+ "iommu-support=<0|1> "
+ "postcopy-support=<0|1> "
+ "tso=<0|1> "
+ "linear-buffer=<0|1> "
+ "ext-buffer=<0|1>");
git.droids-corp.org / dpdk.git / blobdiff