#include <errno.h>
#include <unistd.h>
-#include <rte_ethdev_driver.h>
-#include <rte_ethdev_pci.h>
+#include <ethdev_driver.h>
#include <rte_memcpy.h>
#include <rte_string_fns.h>
#include <rte_memzone.h>
#include <rte_malloc.h>
#include <rte_branch_prediction.h>
-#include <rte_pci.h>
-#include <rte_bus_pci.h>
#include <rte_ether.h>
#include <rte_ip.h>
#include <rte_arp.h>
#include <rte_common.h>
#include <rte_errno.h>
#include <rte_cpuflags.h>
-
+#include <rte_vect.h>
#include <rte_memory.h>
+#include <rte_eal_paging.h>
#include <rte_eal.h>
#include <rte_dev.h>
#include <rte_cycles.h>
#include <rte_kvargs.h>
#include "virtio_ethdev.h"
-#include "virtio_pci.h"
+#include "virtio.h"
#include "virtio_logs.h"
#include "virtqueue.h"
#include "virtio_rxtx.h"
+#include "virtio_rxtx_simple.h"
#include "virtio_user/virtio_user_dev.h"
-static int eth_virtio_dev_uninit(struct rte_eth_dev *eth_dev);
static int virtio_dev_configure(struct rte_eth_dev *dev);
static int virtio_dev_start(struct rte_eth_dev *dev);
-static void virtio_dev_stop(struct rte_eth_dev *dev);
static int virtio_dev_promiscuous_enable(struct rte_eth_dev *dev);
static int virtio_dev_promiscuous_disable(struct rte_eth_dev *dev);
static int virtio_dev_allmulticast_enable(struct rte_eth_dev *dev);
static int virtio_dev_allmulticast_disable(struct rte_eth_dev *dev);
+static uint32_t virtio_dev_speed_capa_get(uint32_t speed);
+static int virtio_dev_devargs_parse(struct rte_devargs *devargs,
+ uint32_t *speed,
+ int *vectorized);
static int virtio_dev_info_get(struct rte_eth_dev *dev,
struct rte_eth_dev_info *dev_info);
static int virtio_dev_link_update(struct rte_eth_dev *dev,
uint8_t stat_idx,
uint8_t is_rx);
-int virtio_logtype_init;
-int virtio_logtype_driver;
-
static void virtio_notify_peers(struct rte_eth_dev *dev);
static void virtio_ack_link_announce(struct rte_eth_dev *dev);
-/*
- * The set of PCI devices this driver supports
- */
-static const struct rte_pci_id pci_id_virtio_map[] = {
- { RTE_PCI_DEVICE(VIRTIO_PCI_VENDORID, VIRTIO_PCI_LEGACY_DEVICEID_NET) },
- { RTE_PCI_DEVICE(VIRTIO_PCI_VENDORID, VIRTIO_PCI_MODERN_DEVICEID_NET) },
- { .vendor_id = 0, /* sentinel */ },
-};
-
struct rte_virtio_xstats_name_off {
char name[RTE_ETH_XSTATS_NAME_SIZE];
unsigned offset;
struct virtio_pmd_ctrl *ctrl,
int *dlen, int pkt_num)
{
- struct virtqueue *vq = cvq->vq;
+ struct virtqueue *vq = virtnet_cq_to_vq(cvq);
int head;
struct vring_packed_desc *desc = vq->vq_packed.ring.desc;
struct virtio_pmd_ctrl *result;
vq->vq_packed.cached_flags ^= VRING_PACKED_DESC_F_AVAIL_USED;
}
- virtio_wmb(vq->hw->weak_barriers);
- desc[head].flags = VRING_DESC_F_NEXT | flags;
+ virtqueue_store_flags_packed(&desc[head], VRING_DESC_F_NEXT | flags,
+ vq->hw->weak_barriers);
virtio_wmb(vq->hw->weak_barriers);
virtqueue_notify(vq);
- /* wait for used descriptors in virtqueue */
+ /* wait for used desc in virtqueue
+ * desc_is_used has a load-acquire or rte_io_rmb inside
+ */
while (!desc_is_used(&desc[head], vq))
usleep(100);
- virtio_rmb(vq->hw->weak_barriers);
-
/* now get used descriptors */
vq->vq_free_cnt += nb_descs;
vq->vq_used_cons_idx += nb_descs;
int *dlen, int pkt_num)
{
struct virtio_pmd_ctrl *result;
- struct virtqueue *vq = cvq->vq;
+ struct virtqueue *vq = virtnet_cq_to_vq(cvq);
uint32_t head, i;
int k, sum = 0;
virtqueue_notify(vq);
- rte_rmb();
- while (VIRTQUEUE_NUSED(vq) == 0) {
- rte_rmb();
+ while (virtqueue_nused(vq) == 0)
usleep(100);
- }
- while (VIRTQUEUE_NUSED(vq)) {
+ while (virtqueue_nused(vq)) {
uint32_t idx, desc_idx, used_idx;
struct vring_used_elem *uep;
ctrl->status = status;
- if (!cvq || !cvq->vq) {
+ if (!cvq) {
PMD_INIT_LOG(ERR, "Control queue is not supported.");
return -1;
}
rte_spinlock_lock(&cvq->lock);
- vq = cvq->vq;
+ vq = virtnet_cq_to_vq(cvq);
PMD_INIT_LOG(DEBUG, "vq->vq_desc_head_idx = %d, status = %d, "
"vq->hw->cvq = %p vq = %p",
memcpy(cvq->virtio_net_hdr_mz->addr, ctrl,
sizeof(struct virtio_pmd_ctrl));
- if (vtpci_packed_queue(vq->hw))
+ if (virtio_with_packed_queue(vq->hw))
result = virtio_send_command_packed(cvq, ctrl, dlen, pkt_num);
else
result = virtio_send_command_split(cvq, ctrl, dlen, pkt_num);
{
uint16_t nr_vq = hw->max_queue_pairs * 2;
- if (vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_VQ))
+ if (virtio_with_feature(hw, VIRTIO_NET_F_CTRL_VQ))
nr_vq += 1;
return nr_vq;
vq->vq_desc_tail_idx = (uint16_t)(vq->vq_nentries - 1);
vq->vq_free_cnt = vq->vq_nentries;
memset(vq->vq_descx, 0, sizeof(struct vq_desc_extra) * vq->vq_nentries);
- if (vtpci_packed_queue(vq->hw)) {
+ if (virtio_with_packed_queue(vq->hw)) {
vring_init_packed(&vq->vq_packed.ring, ring_mem,
- VIRTIO_PCI_VRING_ALIGN, size);
+ VIRTIO_VRING_ALIGN, size);
vring_desc_init_packed(vq, size);
} else {
struct vring *vr = &vq->vq_split.ring;
- vring_init_split(vr, ring_mem, VIRTIO_PCI_VRING_ALIGN, size);
+ vring_init_split(vr, ring_mem, VIRTIO_VRING_ALIGN, size);
vring_desc_init_split(vr->desc, size);
}
/*
}
static int
-virtio_init_queue(struct rte_eth_dev *dev, uint16_t vtpci_queue_idx)
+virtio_init_queue(struct rte_eth_dev *dev, uint16_t queue_idx)
{
char vq_name[VIRTQUEUE_MAX_NAME_SZ];
char vq_hdr_name[VIRTQUEUE_MAX_NAME_SZ];
struct virtqueue *vq;
size_t sz_hdr_mz = 0;
void *sw_ring = NULL;
- int queue_type = virtio_get_queue_type(hw, vtpci_queue_idx);
+ int queue_type = virtio_get_queue_type(hw, queue_idx);
int ret;
int numa_node = dev->device->numa_node;
+ struct rte_mbuf *fake_mbuf = NULL;
PMD_INIT_LOG(INFO, "setting up queue: %u on NUMA node %d",
- vtpci_queue_idx, numa_node);
+ queue_idx, numa_node);
/*
* Read the virtqueue size from the Queue Size field
* Always power of 2 and if 0 virtqueue does not exist
*/
- vq_size = VTPCI_OPS(hw)->get_queue_num(hw, vtpci_queue_idx);
+ vq_size = VIRTIO_OPS(hw)->get_queue_num(hw, queue_idx);
PMD_INIT_LOG(DEBUG, "vq_size: %u", vq_size);
if (vq_size == 0) {
PMD_INIT_LOG(ERR, "virtqueue does not exist");
return -EINVAL;
}
- if (!rte_is_power_of_2(vq_size)) {
- PMD_INIT_LOG(ERR, "virtqueue size is not powerof 2");
+ if (!virtio_with_packed_queue(hw) && !rte_is_power_of_2(vq_size)) {
+ PMD_INIT_LOG(ERR, "split virtqueue size is not power of 2");
return -EINVAL;
}
snprintf(vq_name, sizeof(vq_name), "port%d_vq%d",
- dev->data->port_id, vtpci_queue_idx);
+ dev->data->port_id, queue_idx);
size = RTE_ALIGN_CEIL(sizeof(*vq) +
vq_size * sizeof(struct vq_desc_extra),
sz_hdr_mz = vq_size * sizeof(struct virtio_tx_region);
} else if (queue_type == VTNET_CQ) {
/* Allocate a page for control vq command, data and status */
- sz_hdr_mz = PAGE_SIZE;
+ sz_hdr_mz = rte_mem_page_size();
}
vq = rte_zmalloc_socket(vq_name, size, RTE_CACHE_LINE_SIZE,
PMD_INIT_LOG(ERR, "can not allocate vq");
return -ENOMEM;
}
- hw->vqs[vtpci_queue_idx] = vq;
+ hw->vqs[queue_idx] = vq;
vq->hw = hw;
- vq->vq_queue_index = vtpci_queue_idx;
+ vq->vq_queue_index = queue_idx;
vq->vq_nentries = vq_size;
- if (vtpci_packed_queue(hw)) {
+ if (virtio_with_packed_queue(hw)) {
vq->vq_packed.used_wrap_counter = 1;
vq->vq_packed.cached_flags = VRING_PACKED_DESC_F_AVAIL;
vq->vq_packed.event_flags_shadow = 0;
/*
* Reserve a memzone for vring elements
*/
- size = vring_size(hw, vq_size, VIRTIO_PCI_VRING_ALIGN);
- vq->vq_ring_size = RTE_ALIGN_CEIL(size, VIRTIO_PCI_VRING_ALIGN);
+ size = vring_size(hw, vq_size, VIRTIO_VRING_ALIGN);
+ vq->vq_ring_size = RTE_ALIGN_CEIL(size, VIRTIO_VRING_ALIGN);
PMD_INIT_LOG(DEBUG, "vring_size: %d, rounded_vring_size: %d",
size, vq->vq_ring_size);
mz = rte_memzone_reserve_aligned(vq_name, vq->vq_ring_size,
numa_node, RTE_MEMZONE_IOVA_CONTIG,
- VIRTIO_PCI_VRING_ALIGN);
+ VIRTIO_VRING_ALIGN);
if (mz == NULL) {
if (rte_errno == EEXIST)
mz = rte_memzone_lookup(vq_name);
if (mz == NULL) {
ret = -ENOMEM;
- goto fail_q_alloc;
+ goto free_vq;
}
}
if (sz_hdr_mz) {
snprintf(vq_hdr_name, sizeof(vq_hdr_name), "port%d_vq%d_hdr",
- dev->data->port_id, vtpci_queue_idx);
+ dev->data->port_id, queue_idx);
hdr_mz = rte_memzone_reserve_aligned(vq_hdr_name, sz_hdr_mz,
numa_node, RTE_MEMZONE_IOVA_CONTIG,
RTE_CACHE_LINE_SIZE);
hdr_mz = rte_memzone_lookup(vq_hdr_name);
if (hdr_mz == NULL) {
ret = -ENOMEM;
- goto fail_q_alloc;
+ goto free_mz;
}
}
}
if (!sw_ring) {
PMD_INIT_LOG(ERR, "can not allocate RX soft ring");
ret = -ENOMEM;
- goto fail_q_alloc;
+ goto free_hdr_mz;
+ }
+
+ fake_mbuf = rte_zmalloc_socket("sw_ring", sizeof(*fake_mbuf),
+ RTE_CACHE_LINE_SIZE, numa_node);
+ if (!fake_mbuf) {
+ PMD_INIT_LOG(ERR, "can not allocate fake mbuf");
+ ret = -ENOMEM;
+ goto free_sw_ring;
}
vq->sw_ring = sw_ring;
rxvq = &vq->rxq;
- rxvq->vq = vq;
rxvq->port_id = dev->data->port_id;
rxvq->mz = mz;
+ rxvq->fake_mbuf = fake_mbuf;
} else if (queue_type == VTNET_TQ) {
txvq = &vq->txq;
- txvq->vq = vq;
txvq->port_id = dev->data->port_id;
txvq->mz = mz;
txvq->virtio_net_hdr_mz = hdr_mz;
txvq->virtio_net_hdr_mem = hdr_mz->iova;
} else if (queue_type == VTNET_CQ) {
cvq = &vq->cq;
- cvq->vq = vq;
cvq->mz = mz;
cvq->virtio_net_hdr_mz = hdr_mz;
cvq->virtio_net_hdr_mem = hdr_mz->iova;
- memset(cvq->virtio_net_hdr_mz->addr, 0, PAGE_SIZE);
+ memset(cvq->virtio_net_hdr_mz->addr, 0, rte_mem_page_size());
hw->cvq = cvq;
}
- /* For virtio_user case (that is when hw->dev is NULL), we use
- * virtual address. And we need properly set _offset_, please see
- * VIRTIO_MBUF_DATA_DMA_ADDR in virtqueue.h for more information.
- */
- if (!hw->virtio_user_dev)
- vq->offset = offsetof(struct rte_mbuf, buf_iova);
- else {
- vq->vq_ring_mem = (uintptr_t)mz->addr;
- vq->offset = offsetof(struct rte_mbuf, buf_addr);
- if (queue_type == VTNET_TQ)
- txvq->virtio_net_hdr_mem = (uintptr_t)hdr_mz->addr;
- else if (queue_type == VTNET_CQ)
- cvq->virtio_net_hdr_mem = (uintptr_t)hdr_mz->addr;
- }
-
if (queue_type == VTNET_TQ) {
struct virtio_tx_region *txr;
unsigned int i;
txr = hdr_mz->addr;
memset(txr, 0, vq_size * sizeof(*txr));
for (i = 0; i < vq_size; i++) {
- struct vring_desc *start_dp = txr[i].tx_indir;
-
/* first indirect descriptor is always the tx header */
- if (!vtpci_packed_queue(hw)) {
+ if (!virtio_with_packed_queue(hw)) {
+ struct vring_desc *start_dp = txr[i].tx_indir;
vring_desc_init_split(start_dp,
RTE_DIM(txr[i].tx_indir));
start_dp->addr = txvq->virtio_net_hdr_mem
tx_hdr);
start_dp->len = hw->vtnet_hdr_size;
start_dp->flags = VRING_DESC_F_NEXT;
+ } else {
+ struct vring_packed_desc *start_dp =
+ txr[i].tx_packed_indir;
+ vring_desc_init_indirect_packed(start_dp,
+ RTE_DIM(txr[i].tx_packed_indir));
+ start_dp->addr = txvq->virtio_net_hdr_mem
+ + i * sizeof(*txr)
+ + offsetof(struct virtio_tx_region,
+ tx_hdr);
+ start_dp->len = hw->vtnet_hdr_size;
}
}
}
- if (VTPCI_OPS(hw)->setup_queue(hw, vq) < 0) {
+ if (VIRTIO_OPS(hw)->setup_queue(hw, vq) < 0) {
PMD_INIT_LOG(ERR, "setup_queue failed");
- return -EINVAL;
+ ret = -EINVAL;
+ goto clean_vq;
}
return 0;
-fail_q_alloc:
+clean_vq:
+ hw->cvq = NULL;
+ rte_free(fake_mbuf);
+free_sw_ring:
rte_free(sw_ring);
+free_hdr_mz:
rte_memzone_free(hdr_mz);
+free_mz:
rte_memzone_free(mz);
+free_vq:
rte_free(vq);
+ hw->vqs[queue_idx] = NULL;
return ret;
}
queue_type = virtio_get_queue_type(hw, i);
if (queue_type == VTNET_RQ) {
+ rte_free(vq->rxq.fake_mbuf);
rte_free(vq->sw_ring);
rte_memzone_free(vq->rxq.mz);
} else if (queue_type == VTNET_TQ) {
static void virtio_queues_unbind_intr(struct rte_eth_dev *dev);
-static void
+int
virtio_dev_close(struct rte_eth_dev *dev)
{
struct virtio_hw *hw = dev->data->dev_private;
struct rte_intr_conf *intr_conf = &dev->data->dev_conf.intr_conf;
PMD_INIT_LOG(DEBUG, "virtio_dev_close");
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return 0;
if (!hw->opened)
- return;
- hw->opened = false;
+ return 0;
+ hw->opened = 0;
/* reset the NIC */
if (dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)
- VTPCI_OPS(hw)->set_config_irq(hw, VIRTIO_MSI_NO_VECTOR);
+ VIRTIO_OPS(hw)->set_config_irq(hw, VIRTIO_MSI_NO_VECTOR);
if (intr_conf->rxq)
virtio_queues_unbind_intr(dev);
dev->intr_handle->intr_vec = NULL;
}
- vtpci_reset(hw);
+ virtio_reset(hw);
virtio_dev_free_mbufs(dev);
virtio_free_queues(hw);
-#ifdef RTE_VIRTIO_USER
- if (hw->virtio_user_dev)
- virtio_user_dev_uninit(hw->virtio_user_dev);
- else
-#endif
- if (dev->device) {
- rte_pci_unmap_device(RTE_ETH_DEV_TO_PCI(dev));
- if (!hw->modern)
- rte_pci_ioport_unmap(VTPCI_IO(hw));
- }
+ return VIRTIO_OPS(hw)->dev_close(hw);
}
static int
int dlen[1];
int ret;
- if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) {
+ if (!virtio_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) {
PMD_INIT_LOG(INFO, "host does not support rx control");
return -ENOTSUP;
}
int dlen[1];
int ret;
- if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) {
+ if (!virtio_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) {
PMD_INIT_LOG(INFO, "host does not support rx control");
return -ENOTSUP;
}
int dlen[1];
int ret;
- if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) {
+ if (!virtio_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) {
PMD_INIT_LOG(INFO, "host does not support rx control");
return -ENOTSUP;
}
int dlen[1];
int ret;
- if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) {
+ if (!virtio_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) {
PMD_INIT_LOG(INFO, "host does not support rx control");
return -ENOTSUP;
}
return 0;
}
+uint16_t
+virtio_rx_mem_pool_buf_size(struct rte_mempool *mp)
+{
+ return rte_pktmbuf_data_room_size(mp) - RTE_PKTMBUF_HEADROOM;
+}
+
+bool
+virtio_rx_check_scatter(uint16_t max_rx_pkt_len, uint16_t rx_buf_size,
+ bool rx_scatter_enabled, const char **error)
+{
+ if (!rx_scatter_enabled && max_rx_pkt_len > rx_buf_size) {
+ *error = "Rx scatter is disabled and RxQ mbuf pool object size is too small";
+ return false;
+ }
+
+ return true;
+}
+
+static bool
+virtio_check_scatter_on_all_rx_queues(struct rte_eth_dev *dev,
+ uint16_t frame_size)
+{
+ struct virtio_hw *hw = dev->data->dev_private;
+ struct virtnet_rx *rxvq;
+ struct virtqueue *vq;
+ unsigned int qidx;
+ uint16_t buf_size;
+ const char *error;
+
+ if (hw->vqs == NULL)
+ return true;
+
+ for (qidx = 0; (vq = hw->vqs[2 * qidx + VTNET_SQ_RQ_QUEUE_IDX]) != NULL;
+ qidx++) {
+ rxvq = &vq->rxq;
+ if (rxvq->mpool == NULL)
+ continue;
+ buf_size = virtio_rx_mem_pool_buf_size(rxvq->mpool);
+
+ if (!virtio_rx_check_scatter(frame_size, buf_size,
+ hw->rx_ol_scatter, &error)) {
+ PMD_INIT_LOG(ERR, "MTU check for RxQ %u failed: %s",
+ qidx, error);
+ return false;
+ }
+ }
+
+ return true;
+}
+
#define VLAN_TAG_LEN 4 /* 802.3ac tag (not DMA'd) */
static int
virtio_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
RTE_ETHER_MIN_MTU, max_frame_size - ether_hdr_len);
return -EINVAL;
}
+
+ if (!virtio_check_scatter_on_all_rx_queues(dev, frame_size)) {
+ PMD_INIT_LOG(ERR, "MTU vs Rx scatter and Rx buffers check failed");
+ return -EINVAL;
+ }
+
+ hw->max_rx_pkt_len = frame_size;
+ dev->data->dev_conf.rxmode.max_rx_pkt_len = hw->max_rx_pkt_len;
+
return 0;
}
{
struct virtio_hw *hw = dev->data->dev_private;
struct virtnet_rx *rxvq = dev->data->rx_queues[queue_id];
- struct virtqueue *vq = rxvq->vq;
+ struct virtqueue *vq = virtnet_rxq_to_vq(rxvq);
virtqueue_enable_intr(vq);
virtio_mb(hw->weak_barriers);
virtio_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
{
struct virtnet_rx *rxvq = dev->data->rx_queues[queue_id];
- struct virtqueue *vq = rxvq->vq;
+ struct virtqueue *vq = virtnet_rxq_to_vq(rxvq);
virtqueue_disable_intr(vq);
return 0;
.rx_queue_intr_enable = virtio_dev_rx_queue_intr_enable,
.rx_queue_intr_disable = virtio_dev_rx_queue_intr_disable,
.rx_queue_release = virtio_dev_queue_release,
- .rx_descriptor_done = virtio_dev_rx_queue_done,
.tx_queue_setup = virtio_dev_tx_queue_setup,
.tx_queue_release = virtio_dev_queue_release,
/* collect stats per queue */
static void
virtio_set_hwaddr(struct virtio_hw *hw)
{
- vtpci_write_dev_config(hw,
+ virtio_write_dev_config(hw,
offsetof(struct virtio_net_config, mac),
&hw->mac_addr, RTE_ETHER_ADDR_LEN);
}
static void
virtio_get_hwaddr(struct virtio_hw *hw)
{
- if (vtpci_with_feature(hw, VIRTIO_NET_F_MAC)) {
- vtpci_read_dev_config(hw,
+ if (virtio_with_feature(hw, VIRTIO_NET_F_MAC)) {
+ virtio_read_dev_config(hw,
offsetof(struct virtio_net_config, mac),
&hw->mac_addr, RTE_ETHER_ADDR_LEN);
} else {
struct virtio_pmd_ctrl ctrl;
int err, len[2];
- if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_MAC_ADDR)) {
+ if (!virtio_with_feature(hw, VIRTIO_NET_F_CTRL_MAC_ADDR)) {
PMD_DRV_LOG(INFO, "host does not support mac table");
return -1;
}
memcpy(hw->mac_addr, mac_addr, RTE_ETHER_ADDR_LEN);
/* Use atomic update if available */
- if (vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_MAC_ADDR)) {
+ if (virtio_with_feature(hw, VIRTIO_NET_F_CTRL_MAC_ADDR)) {
struct virtio_pmd_ctrl ctrl;
int len = RTE_ETHER_ADDR_LEN;
return virtio_send_command(hw->cvq, &ctrl, &len, 1);
}
- if (!vtpci_with_feature(hw, VIRTIO_NET_F_MAC))
+ if (!virtio_with_feature(hw, VIRTIO_NET_F_MAC))
return -ENOTSUP;
virtio_set_hwaddr(hw);
struct virtio_pmd_ctrl ctrl;
int len;
- if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_VLAN))
+ if (!virtio_with_feature(hw, VIRTIO_NET_F_CTRL_VLAN))
return -ENOTSUP;
ctrl.hdr.class = VIRTIO_NET_CTRL_VLAN;
if (rte_intr_ack(dev->intr_handle) < 0)
return -1;
- if (!hw->virtio_user_dev)
- hw->use_msix = vtpci_msix_detect(RTE_ETH_DEV_TO_PCI(dev));
+ if (VIRTIO_OPS(hw)->intr_detect)
+ VIRTIO_OPS(hw)->intr_detect(hw);
return 0;
}
if (rte_intr_enable(dev->intr_handle) < 0)
return -1;
- if (!hw->virtio_user_dev)
- hw->use_msix = vtpci_msix_detect(RTE_ETH_DEV_TO_PCI(dev));
+ if (VIRTIO_OPS(hw)->intr_detect)
+ VIRTIO_OPS(hw)->intr_detect(hw);
return 0;
}
if (rte_intr_disable(dev->intr_handle) < 0)
return -1;
- if (!hw->virtio_user_dev)
- hw->use_msix = vtpci_msix_detect(RTE_ETH_DEV_TO_PCI(dev));
+ if (VIRTIO_OPS(hw)->intr_detect)
+ VIRTIO_OPS(hw)->intr_detect(hw);
return 0;
}
static int
-virtio_negotiate_features(struct virtio_hw *hw, uint64_t req_features)
+virtio_ethdev_negotiate_features(struct virtio_hw *hw, uint64_t req_features)
{
uint64_t host_features;
req_features);
/* Read device(host) feature bits */
- host_features = VTPCI_OPS(hw)->get_features(hw);
+ host_features = VIRTIO_OPS(hw)->get_features(hw);
PMD_INIT_LOG(DEBUG, "host_features before negotiate = %" PRIx64,
host_features);
if (host_features & req_features & (1ULL << VIRTIO_NET_F_MTU)) {
struct virtio_net_config config;
- vtpci_read_dev_config(hw,
+ virtio_read_dev_config(hw,
offsetof(struct virtio_net_config, mtu),
&config.mtu, sizeof(config.mtu));
* guest feature bits.
*/
hw->guest_features = req_features;
- hw->guest_features = vtpci_negotiate_features(hw, host_features);
+ hw->guest_features = virtio_negotiate_features(hw, host_features);
PMD_INIT_LOG(DEBUG, "features after negotiate = %" PRIx64,
hw->guest_features);
- if (hw->modern) {
- if (!vtpci_with_feature(hw, VIRTIO_F_VERSION_1)) {
- PMD_INIT_LOG(ERR,
- "VIRTIO_F_VERSION_1 features is not enabled.");
- return -1;
- }
- vtpci_set_status(hw, VIRTIO_CONFIG_STATUS_FEATURES_OK);
- if (!(vtpci_get_status(hw) & VIRTIO_CONFIG_STATUS_FEATURES_OK)) {
- PMD_INIT_LOG(ERR,
- "failed to set FEATURES_OK status!");
+ if (VIRTIO_OPS(hw)->features_ok(hw) < 0)
+ return -1;
+
+ if (virtio_with_feature(hw, VIRTIO_F_VERSION_1)) {
+ virtio_set_status(hw, VIRTIO_CONFIG_STATUS_FEATURES_OK);
+
+ if (!(virtio_get_status(hw) & VIRTIO_CONFIG_STATUS_FEATURES_OK)) {
+ PMD_INIT_LOG(ERR, "Failed to set FEATURES_OK status!");
return -1;
}
}
uint16_t status;
/* Read interrupt status which clears interrupt */
- isr = vtpci_isr(hw);
+ isr = virtio_get_isr(hw);
PMD_DRV_LOG(INFO, "interrupt status = %#x", isr);
if (virtio_intr_unmask(dev) < 0)
PMD_DRV_LOG(ERR, "interrupt enable failed");
- if (isr & VIRTIO_PCI_ISR_CONFIG) {
+ if (isr & VIRTIO_ISR_CONFIG) {
if (virtio_dev_link_update(dev, 0) == 0)
- _rte_eth_dev_callback_process(dev,
- RTE_ETH_EVENT_INTR_LSC,
- NULL);
+ rte_eth_dev_callback_process(dev,
+ RTE_ETH_EVENT_INTR_LSC,
+ NULL);
- if (vtpci_with_feature(hw, VIRTIO_NET_F_STATUS)) {
- vtpci_read_dev_config(hw,
+ if (virtio_with_feature(hw, VIRTIO_NET_F_STATUS)) {
+ virtio_read_dev_config(hw,
offsetof(struct virtio_net_config, status),
&status, sizeof(status));
if (status & VIRTIO_NET_S_ANNOUNCE) {
struct virtio_hw *hw = eth_dev->data->dev_private;
eth_dev->tx_pkt_prepare = virtio_xmit_pkts_prepare;
- if (vtpci_packed_queue(hw)) {
+ if (virtio_with_packed_queue(hw)) {
PMD_INIT_LOG(INFO,
"virtio: using packed ring %s Tx path on port %u",
- hw->use_inorder_tx ? "inorder" : "standard",
+ hw->use_vec_tx ? "vectorized" : "standard",
eth_dev->data->port_id);
- eth_dev->tx_pkt_burst = virtio_xmit_pkts_packed;
+ if (hw->use_vec_tx)
+ eth_dev->tx_pkt_burst = virtio_xmit_pkts_packed_vec;
+ else
+ eth_dev->tx_pkt_burst = virtio_xmit_pkts_packed;
} else {
if (hw->use_inorder_tx) {
PMD_INIT_LOG(INFO, "virtio: using inorder Tx path on port %u",
}
}
- if (vtpci_packed_queue(hw)) {
- if (vtpci_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF)) {
+ if (virtio_with_packed_queue(hw)) {
+ if (hw->use_vec_rx) {
+ PMD_INIT_LOG(INFO,
+ "virtio: using packed ring vectorized Rx path on port %u",
+ eth_dev->data->port_id);
+ eth_dev->rx_pkt_burst =
+ &virtio_recv_pkts_packed_vec;
+ } else if (virtio_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF)) {
PMD_INIT_LOG(INFO,
"virtio: using packed ring mergeable buffer Rx path on port %u",
eth_dev->data->port_id);
eth_dev->rx_pkt_burst = &virtio_recv_pkts_packed;
}
} else {
- if (hw->use_simple_rx) {
- PMD_INIT_LOG(INFO, "virtio: using simple Rx path on port %u",
+ if (hw->use_vec_rx) {
+ PMD_INIT_LOG(INFO, "virtio: using vectorized Rx path on port %u",
eth_dev->data->port_id);
eth_dev->rx_pkt_burst = virtio_recv_pkts_vec;
} else if (hw->use_inorder_rx) {
"virtio: using inorder Rx path on port %u",
eth_dev->data->port_id);
eth_dev->rx_pkt_burst = &virtio_recv_pkts_inorder;
- } else if (vtpci_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF)) {
+ } else if (virtio_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF)) {
PMD_INIT_LOG(INFO,
"virtio: using mergeable buffer Rx path on port %u",
eth_dev->data->port_id);
PMD_INIT_LOG(INFO, "queue/interrupt binding");
for (i = 0; i < dev->data->nb_rx_queues; ++i) {
dev->intr_handle->intr_vec[i] = i + 1;
- if (VTPCI_OPS(hw)->set_queue_irq(hw, hw->vqs[i * 2], i + 1) ==
+ if (VIRTIO_OPS(hw)->set_queue_irq(hw, hw->vqs[i * 2], i + 1) ==
VIRTIO_MSI_NO_VECTOR) {
PMD_DRV_LOG(ERR, "failed to set queue vector");
return -EBUSY;
PMD_INIT_LOG(INFO, "queue/interrupt unbinding");
for (i = 0; i < dev->data->nb_rx_queues; ++i)
- VTPCI_OPS(hw)->set_queue_irq(hw,
+ VIRTIO_OPS(hw)->set_queue_irq(hw,
hw->vqs[i * VTNET_CQ],
VIRTIO_MSI_NO_VECTOR);
}
}
}
- /* Re-register callback to update max_intr */
- rte_intr_callback_unregister(dev->intr_handle,
- virtio_interrupt_handler,
- dev);
- rte_intr_callback_register(dev->intr_handle,
- virtio_interrupt_handler,
- dev);
+ if (dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC) {
+ /* Re-register callback to update max_intr */
+ rte_intr_callback_unregister(dev->intr_handle,
+ virtio_interrupt_handler,
+ dev);
+ rte_intr_callback_register(dev->intr_handle,
+ virtio_interrupt_handler,
+ dev);
+ }
/* DO NOT try to remove this! This function will enable msix, or QEMU
* will encounter SIGSEGV when DRIVER_OK is sent.
return 0;
}
-
+#define DUPLEX_UNKNOWN 0xff
/* reset device and renegotiate features if needed */
static int
virtio_init_device(struct rte_eth_dev *eth_dev, uint64_t req_features)
struct virtio_hw *hw = eth_dev->data->dev_private;
struct virtio_net_config *config;
struct virtio_net_config local_config;
- struct rte_pci_device *pci_dev = NULL;
int ret;
/* Reset the device although not necessary at startup */
- vtpci_reset(hw);
+ virtio_reset(hw);
if (hw->vqs) {
virtio_dev_free_mbufs(eth_dev);
}
/* Tell the host we've noticed this device. */
- vtpci_set_status(hw, VIRTIO_CONFIG_STATUS_ACK);
+ virtio_set_status(hw, VIRTIO_CONFIG_STATUS_ACK);
/* Tell the host we've known how to drive the device. */
- vtpci_set_status(hw, VIRTIO_CONFIG_STATUS_DRIVER);
- if (virtio_negotiate_features(hw, req_features) < 0)
+ virtio_set_status(hw, VIRTIO_CONFIG_STATUS_DRIVER);
+ if (virtio_ethdev_negotiate_features(hw, req_features) < 0)
return -1;
- hw->weak_barriers = !vtpci_with_feature(hw, VIRTIO_F_ORDER_PLATFORM);
-
- if (!hw->virtio_user_dev)
- pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
+ hw->weak_barriers = !virtio_with_feature(hw, VIRTIO_F_ORDER_PLATFORM);
/* If host does not support both status and MSI-X then disable LSC */
- if (vtpci_with_feature(hw, VIRTIO_NET_F_STATUS) &&
- hw->use_msix != VIRTIO_MSIX_NONE)
+ if (virtio_with_feature(hw, VIRTIO_NET_F_STATUS) && hw->intr_lsc)
eth_dev->data->dev_flags |= RTE_ETH_DEV_INTR_LSC;
else
eth_dev->data->dev_flags &= ~RTE_ETH_DEV_INTR_LSC;
+ eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
+
/* Setting up rx_header size for the device */
- if (vtpci_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF) ||
- vtpci_with_feature(hw, VIRTIO_F_VERSION_1) ||
- vtpci_with_feature(hw, VIRTIO_F_RING_PACKED))
+ if (virtio_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF) ||
+ virtio_with_feature(hw, VIRTIO_F_VERSION_1) ||
+ virtio_with_packed_queue(hw))
hw->vtnet_hdr_size = sizeof(struct virtio_net_hdr_mrg_rxbuf);
else
hw->vtnet_hdr_size = sizeof(struct virtio_net_hdr);
rte_ether_addr_copy((struct rte_ether_addr *)hw->mac_addr,
ð_dev->data->mac_addrs[0]);
PMD_INIT_LOG(DEBUG,
- "PORT MAC: %02X:%02X:%02X:%02X:%02X:%02X",
+ "PORT MAC: " RTE_ETHER_ADDR_PRT_FMT,
hw->mac_addr[0], hw->mac_addr[1], hw->mac_addr[2],
hw->mac_addr[3], hw->mac_addr[4], hw->mac_addr[5]);
- if (vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_VQ)) {
+ if (hw->speed == ETH_SPEED_NUM_UNKNOWN) {
+ if (virtio_with_feature(hw, VIRTIO_NET_F_SPEED_DUPLEX)) {
+ config = &local_config;
+ virtio_read_dev_config(hw,
+ offsetof(struct virtio_net_config, speed),
+ &config->speed, sizeof(config->speed));
+ virtio_read_dev_config(hw,
+ offsetof(struct virtio_net_config, duplex),
+ &config->duplex, sizeof(config->duplex));
+ hw->speed = config->speed;
+ hw->duplex = config->duplex;
+ }
+ }
+ if (hw->duplex == DUPLEX_UNKNOWN)
+ hw->duplex = ETH_LINK_FULL_DUPLEX;
+ PMD_INIT_LOG(DEBUG, "link speed = %d, duplex = %d",
+ hw->speed, hw->duplex);
+ if (virtio_with_feature(hw, VIRTIO_NET_F_CTRL_VQ)) {
config = &local_config;
- vtpci_read_dev_config(hw,
+ virtio_read_dev_config(hw,
offsetof(struct virtio_net_config, mac),
&config->mac, sizeof(config->mac));
- if (vtpci_with_feature(hw, VIRTIO_NET_F_STATUS)) {
- vtpci_read_dev_config(hw,
+ if (virtio_with_feature(hw, VIRTIO_NET_F_STATUS)) {
+ virtio_read_dev_config(hw,
offsetof(struct virtio_net_config, status),
&config->status, sizeof(config->status));
} else {
config->status = 0;
}
- if (vtpci_with_feature(hw, VIRTIO_NET_F_MQ)) {
- vtpci_read_dev_config(hw,
+ if (virtio_with_feature(hw, VIRTIO_NET_F_MQ)) {
+ virtio_read_dev_config(hw,
offsetof(struct virtio_net_config, max_virtqueue_pairs),
&config->max_virtqueue_pairs,
sizeof(config->max_virtqueue_pairs));
hw->max_queue_pairs = config->max_virtqueue_pairs;
- if (vtpci_with_feature(hw, VIRTIO_NET_F_MTU)) {
- vtpci_read_dev_config(hw,
+ if (virtio_with_feature(hw, VIRTIO_NET_F_MTU)) {
+ virtio_read_dev_config(hw,
offsetof(struct virtio_net_config, mtu),
&config->mtu,
sizeof(config->mtu));
config->max_virtqueue_pairs);
PMD_INIT_LOG(DEBUG, "config->status=%d", config->status);
PMD_INIT_LOG(DEBUG,
- "PORT MAC: %02X:%02X:%02X:%02X:%02X:%02X",
+ "PORT MAC: " RTE_ETHER_ADDR_PRT_FMT,
config->mac[0], config->mac[1],
config->mac[2], config->mac[3],
config->mac[4], config->mac[5]);
}
}
- vtpci_reinit_complete(hw);
-
- if (pci_dev)
- PMD_INIT_LOG(DEBUG, "port %d vendorID=0x%x deviceID=0x%x",
- eth_dev->data->port_id, pci_dev->id.vendor_id,
- pci_dev->id.device_id);
-
- return 0;
-}
-
-/*
- * Remap the PCI device again (IO port map for legacy device and
- * memory map for modern device), so that the secondary process
- * could have the PCI initiated correctly.
- */
-static int
-virtio_remap_pci(struct rte_pci_device *pci_dev, struct virtio_hw *hw)
-{
- if (hw->modern) {
- /*
- * We don't have to re-parse the PCI config space, since
- * rte_pci_map_device() makes sure the mapped address
- * in secondary process would equal to the one mapped in
- * the primary process: error will be returned if that
- * requirement is not met.
- *
- * That said, we could simply reuse all cap pointers
- * (such as dev_cfg, common_cfg, etc.) parsed from the
- * primary process, which is stored in shared memory.
- */
- if (rte_pci_map_device(pci_dev)) {
- PMD_INIT_LOG(DEBUG, "failed to map pci device!");
- return -1;
- }
- } else {
- if (rte_pci_ioport_map(pci_dev, 0, VTPCI_IO(hw)) < 0)
- return -1;
- }
+ virtio_reinit_complete(hw);
return 0;
}
-static void
-virtio_set_vtpci_ops(struct virtio_hw *hw)
-{
-#ifdef RTE_VIRTIO_USER
- if (hw->virtio_user_dev)
- VTPCI_OPS(hw) = &virtio_user_ops;
- else
-#endif
- if (hw->modern)
- VTPCI_OPS(hw) = &modern_ops;
- else
- VTPCI_OPS(hw) = &legacy_ops;
-}
-
/*
* This function is based on probe() function in virtio_pci.c
* It returns 0 on success.
eth_virtio_dev_init(struct rte_eth_dev *eth_dev)
{
struct virtio_hw *hw = eth_dev->data->dev_private;
+ uint32_t speed = ETH_SPEED_NUM_UNKNOWN;
+ int vectorized = 0;
int ret;
if (sizeof(struct virtio_net_hdr_mrg_rxbuf) > RTE_PKTMBUF_HEADROOM) {
}
eth_dev->dev_ops = &virtio_eth_dev_ops;
+ eth_dev->rx_descriptor_done = virtio_dev_rx_queue_done;
if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
- if (!hw->virtio_user_dev) {
- ret = virtio_remap_pci(RTE_ETH_DEV_TO_PCI(eth_dev), hw);
- if (ret)
- return ret;
- }
-
- virtio_set_vtpci_ops(hw);
set_rxtx_funcs(eth_dev);
-
return 0;
}
- /*
- * Pass the information to the rte_eth_dev_close() that it should also
- * release the private port resources.
- */
- eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
+ ret = virtio_dev_devargs_parse(eth_dev->device->devargs, &speed, &vectorized);
+ if (ret < 0)
+ return ret;
+ hw->speed = speed;
+ hw->duplex = DUPLEX_UNKNOWN;
/* Allocate memory for storing MAC addresses */
eth_dev->data->mac_addrs = rte_zmalloc("virtio",
return -ENOMEM;
}
- hw->port_id = eth_dev->data->port_id;
- /* For virtio_user case the hw->virtio_user_dev is populated by
- * virtio_user_eth_dev_alloc() before eth_virtio_dev_init() is called.
- */
- if (!hw->virtio_user_dev) {
- ret = vtpci_init(RTE_ETH_DEV_TO_PCI(eth_dev), hw);
- if (ret)
- goto err_vtpci_init;
- }
+ rte_spinlock_init(&hw->state_lock);
/* reset device and negotiate default features */
ret = virtio_init_device(eth_dev, VIRTIO_PMD_DEFAULT_GUEST_FEATURES);
if (ret < 0)
goto err_virtio_init;
- hw->opened = true;
+ if (vectorized) {
+ if (!virtio_with_packed_queue(hw)) {
+ hw->use_vec_rx = 1;
+ } else {
+#if defined(CC_AVX512_SUPPORT) || defined(RTE_ARCH_ARM)
+ hw->use_vec_rx = 1;
+ hw->use_vec_tx = 1;
+#else
+ PMD_DRV_LOG(INFO,
+ "building environment do not support packed ring vectorized");
+#endif
+ }
+ }
+
+ hw->opened = 1;
return 0;
err_virtio_init:
- if (!hw->virtio_user_dev) {
- rte_pci_unmap_device(RTE_ETH_DEV_TO_PCI(eth_dev));
- if (!hw->modern)
- rte_pci_ioport_unmap(VTPCI_IO(hw));
- }
-err_vtpci_init:
rte_free(eth_dev->data->mac_addrs);
eth_dev->data->mac_addrs = NULL;
return ret;
}
-static int
-eth_virtio_dev_uninit(struct rte_eth_dev *eth_dev)
-{
- PMD_INIT_FUNC_TRACE();
-
- if (rte_eal_process_type() == RTE_PROC_SECONDARY)
+static uint32_t
+virtio_dev_speed_capa_get(uint32_t speed)
+{
+ switch (speed) {
+ case ETH_SPEED_NUM_10G:
+ return ETH_LINK_SPEED_10G;
+ case ETH_SPEED_NUM_20G:
+ return ETH_LINK_SPEED_20G;
+ case ETH_SPEED_NUM_25G:
+ return ETH_LINK_SPEED_25G;
+ case ETH_SPEED_NUM_40G:
+ return ETH_LINK_SPEED_40G;
+ case ETH_SPEED_NUM_50G:
+ return ETH_LINK_SPEED_50G;
+ case ETH_SPEED_NUM_56G:
+ return ETH_LINK_SPEED_56G;
+ case ETH_SPEED_NUM_100G:
+ return ETH_LINK_SPEED_100G;
+ case ETH_SPEED_NUM_200G:
+ return ETH_LINK_SPEED_200G;
+ default:
return 0;
+ }
+}
- virtio_dev_stop(eth_dev);
- virtio_dev_close(eth_dev);
-
- eth_dev->dev_ops = NULL;
- eth_dev->tx_pkt_burst = NULL;
- eth_dev->rx_pkt_burst = NULL;
-
- PMD_INIT_LOG(DEBUG, "dev_uninit completed");
+static int vectorized_check_handler(__rte_unused const char *key,
+ const char *value, void *ret_val)
+{
+ if (strcmp(value, "1") == 0)
+ *(int *)ret_val = 1;
+ else
+ *(int *)ret_val = 0;
return 0;
}
-static int vdpa_check_handler(__rte_unused const char *key,
- const char *value, __rte_unused void *opaque)
+#define VIRTIO_ARG_SPEED "speed"
+#define VIRTIO_ARG_VECTORIZED "vectorized"
+
+static int
+link_speed_handler(const char *key __rte_unused,
+ const char *value, void *ret_val)
{
- if (strcmp(value, "1"))
- return -1;
+ uint32_t val;
+ if (!value || !ret_val)
+ return -EINVAL;
+ val = strtoul(value, NULL, 0);
+ /* validate input */
+ if (virtio_dev_speed_capa_get(val) == 0)
+ return -EINVAL;
+ *(uint32_t *)ret_val = val;
return 0;
}
+
static int
-vdpa_mode_selected(struct rte_devargs *devargs)
+virtio_dev_devargs_parse(struct rte_devargs *devargs, uint32_t *speed, int *vectorized)
{
struct rte_kvargs *kvlist;
- const char *key = "vdpa";
int ret = 0;
if (devargs == NULL)
return 0;
kvlist = rte_kvargs_parse(devargs->args, NULL);
- if (kvlist == NULL)
+ if (kvlist == NULL) {
+ PMD_INIT_LOG(ERR, "error when parsing param");
return 0;
+ }
- if (!rte_kvargs_count(kvlist, key))
- goto exit;
+ if (speed && rte_kvargs_count(kvlist, VIRTIO_ARG_SPEED) == 1) {
+ ret = rte_kvargs_process(kvlist,
+ VIRTIO_ARG_SPEED,
+ link_speed_handler, speed);
+ if (ret < 0) {
+ PMD_INIT_LOG(ERR, "Failed to parse %s",
+ VIRTIO_ARG_SPEED);
+ goto exit;
+ }
+ }
- /* vdpa mode selected when there's a key-value pair: vdpa=1 */
- if (rte_kvargs_process(kvlist, key,
- vdpa_check_handler, NULL) < 0) {
- goto exit;
+ if (vectorized &&
+ rte_kvargs_count(kvlist, VIRTIO_ARG_VECTORIZED) == 1) {
+ ret = rte_kvargs_process(kvlist,
+ VIRTIO_ARG_VECTORIZED,
+ vectorized_check_handler, vectorized);
+ if (ret < 0) {
+ PMD_INIT_LOG(ERR, "Failed to parse %s",
+ VIRTIO_ARG_VECTORIZED);
+ goto exit;
+ }
}
- ret = 1;
exit:
rte_kvargs_free(kvlist);
return ret;
}
-static int eth_virtio_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
- struct rte_pci_device *pci_dev)
-{
- /* virtio pmd skips probe if device needs to work in vdpa mode */
- if (vdpa_mode_selected(pci_dev->device.devargs))
- return 1;
-
- return rte_eth_dev_pci_generic_probe(pci_dev, sizeof(struct virtio_hw),
- eth_virtio_dev_init);
-}
-
-static int eth_virtio_pci_remove(struct rte_pci_device *pci_dev)
-{
- int ret;
-
- ret = rte_eth_dev_pci_generic_remove(pci_dev, eth_virtio_dev_uninit);
- /* Port has already been released by close. */
- if (ret == -ENODEV)
- ret = 0;
- return ret;
-}
-
-static struct rte_pci_driver rte_virtio_pmd = {
- .driver = {
- .name = "net_virtio",
- },
- .id_table = pci_id_virtio_map,
- .drv_flags = 0,
- .probe = eth_virtio_pci_probe,
- .remove = eth_virtio_pci_remove,
-};
-
-RTE_INIT(rte_virtio_pmd_init)
-{
- rte_eal_iopl_init();
- rte_pci_register(&rte_virtio_pmd);
-}
-
-static bool
+static uint8_t
rx_offload_enabled(struct virtio_hw *hw)
{
- return vtpci_with_feature(hw, VIRTIO_NET_F_GUEST_CSUM) ||
- vtpci_with_feature(hw, VIRTIO_NET_F_GUEST_TSO4) ||
- vtpci_with_feature(hw, VIRTIO_NET_F_GUEST_TSO6);
+ return virtio_with_feature(hw, VIRTIO_NET_F_GUEST_CSUM) ||
+ virtio_with_feature(hw, VIRTIO_NET_F_GUEST_TSO4) ||
+ virtio_with_feature(hw, VIRTIO_NET_F_GUEST_TSO6);
}
-static bool
+static uint8_t
tx_offload_enabled(struct virtio_hw *hw)
{
- return vtpci_with_feature(hw, VIRTIO_NET_F_CSUM) ||
- vtpci_with_feature(hw, VIRTIO_NET_F_HOST_TSO4) ||
- vtpci_with_feature(hw, VIRTIO_NET_F_HOST_TSO6);
+ return virtio_with_feature(hw, VIRTIO_NET_F_CSUM) ||
+ virtio_with_feature(hw, VIRTIO_NET_F_HOST_TSO4) ||
+ virtio_with_feature(hw, VIRTIO_NET_F_HOST_TSO6);
}
/*
PMD_INIT_LOG(DEBUG, "configure");
req_features = VIRTIO_PMD_DEFAULT_GUEST_FEATURES;
+ if (rxmode->mq_mode != ETH_MQ_RX_NONE) {
+ PMD_DRV_LOG(ERR,
+ "Unsupported Rx multi queue mode %d",
+ rxmode->mq_mode);
+ return -EINVAL;
+ }
+
+ if (txmode->mq_mode != ETH_MQ_TX_NONE) {
+ PMD_DRV_LOG(ERR,
+ "Unsupported Tx multi queue mode %d",
+ txmode->mq_mode);
+ return -EINVAL;
+ }
+
if (dev->data->dev_conf.intr_conf.rxq) {
ret = virtio_init_device(dev, hw->req_guest_features);
if (ret < 0)
if (rxmode->max_rx_pkt_len > hw->max_mtu + ether_hdr_len)
req_features &= ~(1ULL << VIRTIO_NET_F_MTU);
+ hw->max_rx_pkt_len = rxmode->max_rx_pkt_len;
+
if (rx_offloads & (DEV_RX_OFFLOAD_UDP_CKSUM |
DEV_RX_OFFLOAD_TCP_CKSUM))
req_features |= (1ULL << VIRTIO_NET_F_GUEST_CSUM);
if ((rx_offloads & (DEV_RX_OFFLOAD_UDP_CKSUM |
DEV_RX_OFFLOAD_TCP_CKSUM)) &&
- !vtpci_with_feature(hw, VIRTIO_NET_F_GUEST_CSUM)) {
+ !virtio_with_feature(hw, VIRTIO_NET_F_GUEST_CSUM)) {
PMD_DRV_LOG(ERR,
"rx checksum not available on this host");
return -ENOTSUP;
}
if ((rx_offloads & DEV_RX_OFFLOAD_TCP_LRO) &&
- (!vtpci_with_feature(hw, VIRTIO_NET_F_GUEST_TSO4) ||
- !vtpci_with_feature(hw, VIRTIO_NET_F_GUEST_TSO6))) {
+ (!virtio_with_feature(hw, VIRTIO_NET_F_GUEST_TSO4) ||
+ !virtio_with_feature(hw, VIRTIO_NET_F_GUEST_TSO6))) {
PMD_DRV_LOG(ERR,
"Large Receive Offload not available on this host");
return -ENOTSUP;
}
/* start control queue */
- if (vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_VQ))
+ if (virtio_with_feature(hw, VIRTIO_NET_F_CTRL_VQ))
virtio_dev_cq_start(dev);
if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
hw->vlan_strip = 1;
- if ((rx_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
- && !vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_VLAN)) {
+ hw->rx_ol_scatter = (rx_offloads & DEV_RX_OFFLOAD_SCATTER);
+
+ if ((rx_offloads & DEV_RX_OFFLOAD_VLAN_FILTER) &&
+ !virtio_with_feature(hw, VIRTIO_NET_F_CTRL_VLAN)) {
PMD_DRV_LOG(ERR,
"vlan filtering not available on this host");
return -ENOTSUP;
if (dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)
/* Enable vector (0) for Link State Intrerrupt */
- if (VTPCI_OPS(hw)->set_config_irq(hw, 0) ==
+ if (VIRTIO_OPS(hw)->set_config_irq(hw, 0) ==
VIRTIO_MSI_NO_VECTOR) {
PMD_DRV_LOG(ERR, "failed to set config vector");
return -EBUSY;
}
- rte_spinlock_init(&hw->state_lock);
-
- hw->use_simple_rx = 1;
+ if (virtio_with_packed_queue(hw)) {
+#if defined(RTE_ARCH_X86_64) && defined(CC_AVX512_SUPPORT)
+ if ((hw->use_vec_rx || hw->use_vec_tx) &&
+ (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F) ||
+ !virtio_with_feature(hw, VIRTIO_F_IN_ORDER) ||
+ !virtio_with_feature(hw, VIRTIO_F_VERSION_1) ||
+ rte_vect_get_max_simd_bitwidth() < RTE_VECT_SIMD_512)) {
+ PMD_DRV_LOG(INFO,
+ "disabled packed ring vectorized path for requirements not met");
+ hw->use_vec_rx = 0;
+ hw->use_vec_tx = 0;
+ }
+#elif defined(RTE_ARCH_ARM)
+ if ((hw->use_vec_rx || hw->use_vec_tx) &&
+ (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_NEON) ||
+ !virtio_with_feature(hw, VIRTIO_F_IN_ORDER) ||
+ !virtio_with_feature(hw, VIRTIO_F_VERSION_1) ||
+ rte_vect_get_max_simd_bitwidth() < RTE_VECT_SIMD_128)) {
+ PMD_DRV_LOG(INFO,
+ "disabled packed ring vectorized path for requirements not met");
+ hw->use_vec_rx = 0;
+ hw->use_vec_tx = 0;
+ }
+#else
+ hw->use_vec_rx = 0;
+ hw->use_vec_tx = 0;
+#endif
- if (vtpci_with_feature(hw, VIRTIO_F_IN_ORDER)) {
- hw->use_inorder_tx = 1;
- hw->use_inorder_rx = 1;
- hw->use_simple_rx = 0;
- }
+ if (hw->use_vec_rx) {
+ if (virtio_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF)) {
+ PMD_DRV_LOG(INFO,
+ "disabled packed ring vectorized rx for mrg_rxbuf enabled");
+ hw->use_vec_rx = 0;
+ }
- if (vtpci_packed_queue(hw)) {
- hw->use_simple_rx = 0;
- hw->use_inorder_rx = 0;
- }
+ if (rx_offloads & DEV_RX_OFFLOAD_TCP_LRO) {
+ PMD_DRV_LOG(INFO,
+ "disabled packed ring vectorized rx for TCP_LRO enabled");
+ hw->use_vec_rx = 0;
+ }
+ }
+ } else {
+ if (virtio_with_feature(hw, VIRTIO_F_IN_ORDER)) {
+ hw->use_inorder_tx = 1;
+ hw->use_inorder_rx = 1;
+ hw->use_vec_rx = 0;
+ }
-#if defined RTE_ARCH_ARM64 || defined RTE_ARCH_ARM
- if (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_NEON)) {
- hw->use_simple_rx = 0;
- }
+ if (hw->use_vec_rx) {
+#if defined RTE_ARCH_ARM
+ if (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_NEON)) {
+ PMD_DRV_LOG(INFO,
+ "disabled split ring vectorized path for requirement not met");
+ hw->use_vec_rx = 0;
+ }
#endif
- if (vtpci_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF)) {
- hw->use_simple_rx = 0;
- }
+ if (virtio_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF)) {
+ PMD_DRV_LOG(INFO,
+ "disabled split ring vectorized rx for mrg_rxbuf enabled");
+ hw->use_vec_rx = 0;
+ }
- if (rx_offloads & (DEV_RX_OFFLOAD_UDP_CKSUM |
- DEV_RX_OFFLOAD_TCP_CKSUM |
- DEV_RX_OFFLOAD_TCP_LRO |
- DEV_RX_OFFLOAD_VLAN_STRIP))
- hw->use_simple_rx = 0;
+ if (rx_offloads & (DEV_RX_OFFLOAD_UDP_CKSUM |
+ DEV_RX_OFFLOAD_TCP_CKSUM |
+ DEV_RX_OFFLOAD_TCP_LRO |
+ DEV_RX_OFFLOAD_VLAN_STRIP)) {
+ PMD_DRV_LOG(INFO,
+ "disabled split ring vectorized rx for offloading enabled");
+ hw->use_vec_rx = 0;
+ }
+
+ if (rte_vect_get_max_simd_bitwidth() < RTE_VECT_SIMD_128) {
+ PMD_DRV_LOG(INFO,
+ "disabled split ring vectorized rx, max SIMD bitwidth too low");
+ hw->use_vec_rx = 0;
+ }
+ }
+ }
return 0;
}
virtio_dev_start(struct rte_eth_dev *dev)
{
uint16_t nb_queues, i;
- struct virtnet_rx *rxvq;
- struct virtnet_tx *txvq __rte_unused;
+ struct virtqueue *vq;
struct virtio_hw *hw = dev->data->dev_private;
int ret;
PMD_INIT_LOG(DEBUG, "nb_queues=%d", nb_queues);
for (i = 0; i < dev->data->nb_rx_queues; i++) {
- rxvq = dev->data->rx_queues[i];
+ vq = virtnet_rxq_to_vq(dev->data->rx_queues[i]);
/* Flush the old packets */
- virtqueue_rxvq_flush(rxvq->vq);
- virtqueue_notify(rxvq->vq);
+ virtqueue_rxvq_flush(vq);
+ virtqueue_notify(vq);
}
for (i = 0; i < dev->data->nb_tx_queues; i++) {
- txvq = dev->data->tx_queues[i];
- virtqueue_notify(txvq->vq);
+ vq = virtnet_txq_to_vq(dev->data->tx_queues[i]);
+ virtqueue_notify(vq);
}
PMD_INIT_LOG(DEBUG, "Notified backend at initialization");
for (i = 0; i < dev->data->nb_rx_queues; i++) {
- rxvq = dev->data->rx_queues[i];
- VIRTQUEUE_DUMP(rxvq->vq);
+ vq = virtnet_rxq_to_vq(dev->data->rx_queues[i]);
+ VIRTQUEUE_DUMP(vq);
}
for (i = 0; i < dev->data->nb_tx_queues; i++) {
- txvq = dev->data->tx_queues[i];
- VIRTQUEUE_DUMP(txvq->vq);
+ vq = virtnet_txq_to_vq(dev->data->tx_queues[i]);
+ VIRTQUEUE_DUMP(vq);
}
set_rxtx_funcs(dev);
- hw->started = true;
+ hw->started = 1;
/* Initialize Link state */
virtio_dev_link_update(dev, 0);
/*
* Stop device: disable interrupt and mark link down
*/
-static void
+int
virtio_dev_stop(struct rte_eth_dev *dev)
{
struct virtio_hw *hw = dev->data->dev_private;
struct rte_intr_conf *intr_conf = &dev->data->dev_conf.intr_conf;
PMD_INIT_LOG(DEBUG, "stop");
+ dev->data->dev_started = 0;
rte_spinlock_lock(&hw->state_lock);
if (!hw->started)
goto out_unlock;
- hw->started = false;
+ hw->started = 0;
if (intr_conf->lsc || intr_conf->rxq) {
virtio_intr_disable(dev);
rte_eth_linkstatus_set(dev, &link);
out_unlock:
rte_spinlock_unlock(&hw->state_lock);
+
+ return 0;
}
static int
struct virtio_hw *hw = dev->data->dev_private;
memset(&link, 0, sizeof(link));
- link.link_duplex = ETH_LINK_FULL_DUPLEX;
- link.link_speed = ETH_SPEED_NUM_10G;
- link.link_autoneg = ETH_LINK_FIXED;
+ link.link_duplex = hw->duplex;
+ link.link_speed = hw->speed;
+ link.link_autoneg = ETH_LINK_AUTONEG;
if (!hw->started) {
link.link_status = ETH_LINK_DOWN;
- } else if (vtpci_with_feature(hw, VIRTIO_NET_F_STATUS)) {
+ link.link_speed = ETH_SPEED_NUM_NONE;
+ } else if (virtio_with_feature(hw, VIRTIO_NET_F_STATUS)) {
PMD_INIT_LOG(DEBUG, "Get link status from hw");
- vtpci_read_dev_config(hw,
+ virtio_read_dev_config(hw,
offsetof(struct virtio_net_config, status),
&status, sizeof(status));
if ((status & VIRTIO_NET_S_LINK_UP) == 0) {
link.link_status = ETH_LINK_DOWN;
+ link.link_speed = ETH_SPEED_NUM_NONE;
PMD_INIT_LOG(DEBUG, "Port %d is down",
dev->data->port_id);
} else {
if (mask & ETH_VLAN_FILTER_MASK) {
if ((offloads & DEV_RX_OFFLOAD_VLAN_FILTER) &&
- !vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_VLAN)) {
+ !virtio_with_feature(hw, VIRTIO_NET_F_CTRL_VLAN)) {
PMD_DRV_LOG(NOTICE,
"vlan filtering not available on this host");
{
uint64_t tso_mask, host_features;
struct virtio_hw *hw = dev->data->dev_private;
-
- dev_info->speed_capa = ETH_LINK_SPEED_10G; /* fake value */
+ dev_info->speed_capa = virtio_dev_speed_capa_get(hw->speed);
dev_info->max_rx_queues =
RTE_MIN(hw->max_queue_pairs, VIRTIO_MAX_RX_QUEUES);
dev_info->min_rx_bufsize = VIRTIO_MIN_RX_BUFSIZE;
dev_info->max_rx_pktlen = VIRTIO_MAX_RX_PKTLEN;
dev_info->max_mac_addrs = VIRTIO_MAX_MAC_ADDRS;
+ dev_info->max_mtu = hw->max_mtu;
- host_features = VTPCI_OPS(hw)->get_features(hw);
+ host_features = VIRTIO_OPS(hw)->get_features(hw);
dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP;
dev_info->rx_offload_capa |= DEV_RX_OFFLOAD_JUMBO_FRAME;
+ if (host_features & (1ULL << VIRTIO_NET_F_MRG_RXBUF))
+ dev_info->rx_offload_capa |= DEV_RX_OFFLOAD_SCATTER;
if (host_features & (1ULL << VIRTIO_NET_F_GUEST_CSUM)) {
dev_info->rx_offload_capa |=
DEV_RX_OFFLOAD_TCP_CKSUM |
if ((host_features & tso_mask) == tso_mask)
dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_TCP_TSO;
+ if (host_features & (1ULL << VIRTIO_F_RING_PACKED)) {
+ /*
+ * According to 2.7 Packed Virtqueues,
+ * 2.7.10.1 Structure Size and Alignment:
+ * The Queue Size value does not have to be a power of 2.
+ */
+ dev_info->rx_desc_lim.nb_max = UINT16_MAX;
+ } else {
+ /*
+ * According to 2.6 Split Virtqueues:
+ * Queue Size value is always a power of 2. The maximum Queue
+ * Size value is 32768.
+ */
+ dev_info->rx_desc_lim.nb_max = 32768;
+ }
+ /*
+ * Actual minimum is not the same for virtqueues of different kinds,
+ * but to avoid tangling the code with separate branches, rely on
+ * default thresholds since desc number must be at least of their size.
+ */
+ dev_info->rx_desc_lim.nb_min = RTE_MAX(DEFAULT_RX_FREE_THRESH,
+ RTE_VIRTIO_VPMD_RX_REARM_THRESH);
+ dev_info->rx_desc_lim.nb_align = 1;
+
return 0;
}
return 0;
}
-RTE_PMD_EXPORT_NAME(net_virtio, __COUNTER__);
-RTE_PMD_REGISTER_PCI_TABLE(net_virtio, pci_id_virtio_map);
-RTE_PMD_REGISTER_KMOD_DEP(net_virtio, "* igb_uio | uio_pci_generic | vfio-pci");
-
-RTE_INIT(virtio_init_log)
-{
- virtio_logtype_init = rte_log_register("pmd.net.virtio.init");
- if (virtio_logtype_init >= 0)
- rte_log_set_level(virtio_logtype_init, RTE_LOG_NOTICE);
- virtio_logtype_driver = rte_log_register("pmd.net.virtio.driver");
- if (virtio_logtype_driver >= 0)
- rte_log_set_level(virtio_logtype_driver, RTE_LOG_NOTICE);
-}
+RTE_LOG_REGISTER_SUFFIX(virtio_logtype_init, init, NOTICE);
+RTE_LOG_REGISTER_SUFFIX(virtio_logtype_driver, driver, NOTICE);
git.droids-corp.org / dpdk.git / blobdiff