#include "virtio_logs.h"
#include "virtqueue.h"
#include "virtio_rxtx.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 void virtio_dev_promiscuous_enable(struct rte_eth_dev *dev);
-static void virtio_dev_promiscuous_disable(struct rte_eth_dev *dev);
-static void virtio_dev_allmulticast_enable(struct rte_eth_dev *dev);
-static void virtio_dev_allmulticast_disable(struct rte_eth_dev *dev);
-static void virtio_dev_info_get(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 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,
int wait_to_complete);
static int virtio_dev_xstats_get_names(struct rte_eth_dev *dev,
struct rte_eth_xstat_name *xstats_names,
unsigned limit);
-static void virtio_dev_stats_reset(struct rte_eth_dev *dev);
+static int virtio_dev_stats_reset(struct rte_eth_dev *dev);
static void virtio_dev_free_mbufs(struct rte_eth_dev *dev);
static int virtio_vlan_filter_set(struct rte_eth_dev *dev,
uint16_t vlan_id, int on);
static int virtio_mac_addr_add(struct rte_eth_dev *dev,
- struct ether_addr *mac_addr,
+ struct rte_ether_addr *mac_addr,
uint32_t index, uint32_t vmdq);
static void virtio_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index);
static int virtio_mac_addr_set(struct rte_eth_dev *dev,
- struct ether_addr *mac_addr);
+ struct rte_ether_addr *mac_addr);
-static int virtio_intr_enable(struct rte_eth_dev *dev);
static int virtio_intr_disable(struct rte_eth_dev *dev);
static int virtio_dev_queue_stats_mapping_set(
static const struct rte_virtio_xstats_name_off rte_virtio_txq_stat_strings[] = {
{"good_packets", offsetof(struct virtnet_tx, stats.packets)},
{"good_bytes", offsetof(struct virtnet_tx, stats.bytes)},
- {"errors", offsetof(struct virtnet_tx, stats.errors)},
{"multicast_packets", offsetof(struct virtnet_tx, stats.multicast)},
{"broadcast_packets", offsetof(struct virtnet_tx, stats.broadcast)},
{"undersize_packets", offsetof(struct virtnet_tx, stats.size_bins[0])},
struct virtio_hw_internal virtio_hw_internal[RTE_MAX_ETHPORTS];
-static int
-virtio_send_command(struct virtnet_ctl *cvq, struct virtio_pmd_ctrl *ctrl,
- int *dlen, int pkt_num)
+static struct virtio_pmd_ctrl *
+virtio_send_command_packed(struct virtnet_ctl *cvq,
+ struct virtio_pmd_ctrl *ctrl,
+ int *dlen, int pkt_num)
{
- uint32_t head, i;
- int k, sum = 0;
- virtio_net_ctrl_ack status = ~0;
+ struct virtqueue *vq = cvq->vq;
+ int head;
+ struct vring_packed_desc *desc = vq->vq_packed.ring.desc;
struct virtio_pmd_ctrl *result;
- struct virtqueue *vq;
+ uint16_t flags;
+ int sum = 0;
+ int nb_descs = 0;
+ int k;
- ctrl->status = status;
+ /*
+ * Format is enforced in qemu code:
+ * One TX packet for header;
+ * At least one TX packet per argument;
+ * One RX packet for ACK.
+ */
+ head = vq->vq_avail_idx;
+ flags = vq->vq_packed.cached_flags;
+ desc[head].addr = cvq->virtio_net_hdr_mem;
+ desc[head].len = sizeof(struct virtio_net_ctrl_hdr);
+ vq->vq_free_cnt--;
+ nb_descs++;
+ if (++vq->vq_avail_idx >= vq->vq_nentries) {
+ vq->vq_avail_idx -= vq->vq_nentries;
+ vq->vq_packed.cached_flags ^= VRING_PACKED_DESC_F_AVAIL_USED;
+ }
- if (!cvq || !cvq->vq) {
- PMD_INIT_LOG(ERR, "Control queue is not supported.");
- return -1;
+ for (k = 0; k < pkt_num; k++) {
+ desc[vq->vq_avail_idx].addr = cvq->virtio_net_hdr_mem
+ + sizeof(struct virtio_net_ctrl_hdr)
+ + sizeof(ctrl->status) + sizeof(uint8_t) * sum;
+ desc[vq->vq_avail_idx].len = dlen[k];
+ desc[vq->vq_avail_idx].flags = VRING_DESC_F_NEXT |
+ vq->vq_packed.cached_flags;
+ sum += dlen[k];
+ vq->vq_free_cnt--;
+ nb_descs++;
+ if (++vq->vq_avail_idx >= vq->vq_nentries) {
+ vq->vq_avail_idx -= vq->vq_nentries;
+ vq->vq_packed.cached_flags ^=
+ VRING_PACKED_DESC_F_AVAIL_USED;
+ }
}
- rte_spinlock_lock(&cvq->lock);
- vq = cvq->vq;
- head = vq->vq_desc_head_idx;
+ desc[vq->vq_avail_idx].addr = cvq->virtio_net_hdr_mem
+ + sizeof(struct virtio_net_ctrl_hdr);
+ desc[vq->vq_avail_idx].len = sizeof(ctrl->status);
+ desc[vq->vq_avail_idx].flags = VRING_DESC_F_WRITE |
+ vq->vq_packed.cached_flags;
+ vq->vq_free_cnt--;
+ nb_descs++;
+ if (++vq->vq_avail_idx >= vq->vq_nentries) {
+ vq->vq_avail_idx -= vq->vq_nentries;
+ vq->vq_packed.cached_flags ^= VRING_PACKED_DESC_F_AVAIL_USED;
+ }
- PMD_INIT_LOG(DEBUG, "vq->vq_desc_head_idx = %d, status = %d, "
- "vq->hw->cvq = %p vq = %p",
- vq->vq_desc_head_idx, status, vq->hw->cvq, vq);
+ virtio_wmb(vq->hw->weak_barriers);
+ desc[head].flags = VRING_DESC_F_NEXT | flags;
- if (vq->vq_free_cnt < pkt_num + 2 || pkt_num < 1) {
- rte_spinlock_unlock(&cvq->lock);
- return -1;
+ virtio_wmb(vq->hw->weak_barriers);
+ virtqueue_notify(vq);
+
+ /* wait for used descriptors in virtqueue */
+ 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;
+ if (vq->vq_used_cons_idx >= vq->vq_nentries) {
+ vq->vq_used_cons_idx -= vq->vq_nentries;
+ vq->vq_packed.used_wrap_counter ^= 1;
}
- memcpy(cvq->virtio_net_hdr_mz->addr, ctrl,
- sizeof(struct virtio_pmd_ctrl));
+ PMD_INIT_LOG(DEBUG, "vq->vq_free_cnt=%d\n"
+ "vq->vq_avail_idx=%d\n"
+ "vq->vq_used_cons_idx=%d\n"
+ "vq->vq_packed.cached_flags=0x%x\n"
+ "vq->vq_packed.used_wrap_counter=%d\n",
+ vq->vq_free_cnt,
+ vq->vq_avail_idx,
+ vq->vq_used_cons_idx,
+ vq->vq_packed.cached_flags,
+ vq->vq_packed.used_wrap_counter);
+
+ result = cvq->virtio_net_hdr_mz->addr;
+ return result;
+}
+
+static struct virtio_pmd_ctrl *
+virtio_send_command_split(struct virtnet_ctl *cvq,
+ struct virtio_pmd_ctrl *ctrl,
+ int *dlen, int pkt_num)
+{
+ struct virtio_pmd_ctrl *result;
+ struct virtqueue *vq = cvq->vq;
+ uint32_t head, i;
+ int k, sum = 0;
+
+ head = vq->vq_desc_head_idx;
/*
* Format is enforced in qemu code:
* At least one TX packet per argument;
* One RX packet for ACK.
*/
- vq->vq_ring.desc[head].flags = VRING_DESC_F_NEXT;
- vq->vq_ring.desc[head].addr = cvq->virtio_net_hdr_mem;
- vq->vq_ring.desc[head].len = sizeof(struct virtio_net_ctrl_hdr);
+ vq->vq_split.ring.desc[head].flags = VRING_DESC_F_NEXT;
+ vq->vq_split.ring.desc[head].addr = cvq->virtio_net_hdr_mem;
+ vq->vq_split.ring.desc[head].len = sizeof(struct virtio_net_ctrl_hdr);
vq->vq_free_cnt--;
- i = vq->vq_ring.desc[head].next;
+ i = vq->vq_split.ring.desc[head].next;
for (k = 0; k < pkt_num; k++) {
- vq->vq_ring.desc[i].flags = VRING_DESC_F_NEXT;
- vq->vq_ring.desc[i].addr = cvq->virtio_net_hdr_mem
+ vq->vq_split.ring.desc[i].flags = VRING_DESC_F_NEXT;
+ vq->vq_split.ring.desc[i].addr = cvq->virtio_net_hdr_mem
+ sizeof(struct virtio_net_ctrl_hdr)
+ sizeof(ctrl->status) + sizeof(uint8_t)*sum;
- vq->vq_ring.desc[i].len = dlen[k];
+ vq->vq_split.ring.desc[i].len = dlen[k];
sum += dlen[k];
vq->vq_free_cnt--;
- i = vq->vq_ring.desc[i].next;
+ i = vq->vq_split.ring.desc[i].next;
}
- vq->vq_ring.desc[i].flags = VRING_DESC_F_WRITE;
- vq->vq_ring.desc[i].addr = cvq->virtio_net_hdr_mem
+ vq->vq_split.ring.desc[i].flags = VRING_DESC_F_WRITE;
+ vq->vq_split.ring.desc[i].addr = cvq->virtio_net_hdr_mem
+ sizeof(struct virtio_net_ctrl_hdr);
- vq->vq_ring.desc[i].len = sizeof(ctrl->status);
+ vq->vq_split.ring.desc[i].len = sizeof(ctrl->status);
vq->vq_free_cnt--;
- vq->vq_desc_head_idx = vq->vq_ring.desc[i].next;
+ vq->vq_desc_head_idx = vq->vq_split.ring.desc[i].next;
vq_update_avail_ring(vq, head);
vq_update_avail_idx(vq);
used_idx = (uint32_t)(vq->vq_used_cons_idx
& (vq->vq_nentries - 1));
- uep = &vq->vq_ring.used->ring[used_idx];
+ uep = &vq->vq_split.ring.used->ring[used_idx];
idx = (uint32_t) uep->id;
desc_idx = idx;
- while (vq->vq_ring.desc[desc_idx].flags & VRING_DESC_F_NEXT) {
- desc_idx = vq->vq_ring.desc[desc_idx].next;
+ while (vq->vq_split.ring.desc[desc_idx].flags &
+ VRING_DESC_F_NEXT) {
+ desc_idx = vq->vq_split.ring.desc[desc_idx].next;
vq->vq_free_cnt++;
}
- vq->vq_ring.desc[desc_idx].next = vq->vq_desc_head_idx;
+ vq->vq_split.ring.desc[desc_idx].next = vq->vq_desc_head_idx;
vq->vq_desc_head_idx = idx;
vq->vq_used_cons_idx++;
vq->vq_free_cnt, vq->vq_desc_head_idx);
result = cvq->virtio_net_hdr_mz->addr;
+ return result;
+}
+
+static int
+virtio_send_command(struct virtnet_ctl *cvq, struct virtio_pmd_ctrl *ctrl,
+ int *dlen, int pkt_num)
+{
+ virtio_net_ctrl_ack status = ~0;
+ struct virtio_pmd_ctrl *result;
+ struct virtqueue *vq;
+
+ ctrl->status = status;
+
+ if (!cvq || !cvq->vq) {
+ PMD_INIT_LOG(ERR, "Control queue is not supported.");
+ return -1;
+ }
+
+ rte_spinlock_lock(&cvq->lock);
+ vq = cvq->vq;
+
+ PMD_INIT_LOG(DEBUG, "vq->vq_desc_head_idx = %d, status = %d, "
+ "vq->hw->cvq = %p vq = %p",
+ vq->vq_desc_head_idx, status, vq->hw->cvq, vq);
+
+ if (vq->vq_free_cnt < pkt_num + 2 || pkt_num < 1) {
+ rte_spinlock_unlock(&cvq->lock);
+ return -1;
+ }
+
+ memcpy(cvq->virtio_net_hdr_mz->addr, ctrl,
+ sizeof(struct virtio_pmd_ctrl));
+
+ if (vtpci_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);
rte_spinlock_unlock(&cvq->lock);
return result->status;
virtio_init_vring(struct virtqueue *vq)
{
int size = vq->vq_nentries;
- struct vring *vr = &vq->vq_ring;
uint8_t *ring_mem = vq->vq_ring_virt_mem;
PMD_INIT_FUNC_TRACE();
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)) {
- vring_init_packed(&vq->ring_packed, ring_mem,
+ vring_init_packed(&vq->vq_packed.ring, ring_mem,
VIRTIO_PCI_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_desc_init_split(vr->desc, size);
}
vq->hw = hw;
vq->vq_queue_index = vtpci_queue_idx;
vq->vq_nentries = vq_size;
- vq->event_flags_shadow = 0;
if (vtpci_packed_queue(hw)) {
- vq->avail_wrap_counter = 1;
- vq->used_wrap_counter = 1;
- vq->avail_used_flags =
- VRING_DESC_F_AVAIL(vq->avail_wrap_counter) |
- VRING_DESC_F_USED(!vq->avail_wrap_counter);
+ vq->vq_packed.used_wrap_counter = 1;
+ vq->vq_packed.cached_flags = VRING_PACKED_DESC_F_AVAIL;
+ vq->vq_packed.event_flags_shadow = 0;
+ if (queue_type == VTNET_RQ)
+ vq->vq_packed.cached_flags |= VRING_DESC_F_WRITE;
}
/*
memset(txr, 0, vq_size * sizeof(*txr));
for (i = 0; i < vq_size; i++) {
struct vring_desc *start_dp = txr[i].tx_indir;
- struct vring_packed_desc *start_dp_packed =
- txr[i].tx_indir_pq;
/* first indirect descriptor is always the tx header */
- if (vtpci_packed_queue(hw)) {
- start_dp_packed->addr = txvq->virtio_net_hdr_mem
- + i * sizeof(*txr)
- + offsetof(struct virtio_tx_region,
- tx_hdr);
- start_dp_packed->len = hw->vtnet_hdr_size;
- } else {
+ if (!vtpci_packed_queue(hw)) {
vring_desc_init_split(start_dp,
RTE_DIM(txr[i].tx_indir));
start_dp->addr = txvq->virtio_net_hdr_mem
vtpci_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));
+ }
}
-static void
+static int
virtio_dev_promiscuous_enable(struct rte_eth_dev *dev)
{
struct virtio_hw *hw = dev->data->dev_private;
if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) {
PMD_INIT_LOG(INFO, "host does not support rx control");
- return;
+ return -ENOTSUP;
}
ctrl.hdr.class = VIRTIO_NET_CTRL_RX;
dlen[0] = 1;
ret = virtio_send_command(hw->cvq, &ctrl, dlen, 1);
- if (ret)
+ if (ret) {
PMD_INIT_LOG(ERR, "Failed to enable promisc");
+ return -EAGAIN;
+ }
+
+ return 0;
}
-static void
+static int
virtio_dev_promiscuous_disable(struct rte_eth_dev *dev)
{
struct virtio_hw *hw = dev->data->dev_private;
if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) {
PMD_INIT_LOG(INFO, "host does not support rx control");
- return;
+ return -ENOTSUP;
}
ctrl.hdr.class = VIRTIO_NET_CTRL_RX;
dlen[0] = 1;
ret = virtio_send_command(hw->cvq, &ctrl, dlen, 1);
- if (ret)
+ if (ret) {
PMD_INIT_LOG(ERR, "Failed to disable promisc");
+ return -EAGAIN;
+ }
+
+ return 0;
}
-static void
+static int
virtio_dev_allmulticast_enable(struct rte_eth_dev *dev)
{
struct virtio_hw *hw = dev->data->dev_private;
if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) {
PMD_INIT_LOG(INFO, "host does not support rx control");
- return;
+ return -ENOTSUP;
}
ctrl.hdr.class = VIRTIO_NET_CTRL_RX;
dlen[0] = 1;
ret = virtio_send_command(hw->cvq, &ctrl, dlen, 1);
- if (ret)
+ if (ret) {
PMD_INIT_LOG(ERR, "Failed to enable allmulticast");
+ return -EAGAIN;
+ }
+
+ return 0;
}
-static void
+static int
virtio_dev_allmulticast_disable(struct rte_eth_dev *dev)
{
struct virtio_hw *hw = dev->data->dev_private;
if (!vtpci_with_feature(hw, VIRTIO_NET_F_CTRL_RX)) {
PMD_INIT_LOG(INFO, "host does not support rx control");
- return;
+ return -ENOTSUP;
}
ctrl.hdr.class = VIRTIO_NET_CTRL_RX;
dlen[0] = 1;
ret = virtio_send_command(hw->cvq, &ctrl, dlen, 1);
- if (ret)
+ if (ret) {
PMD_INIT_LOG(ERR, "Failed to disable allmulticast");
+ return -EAGAIN;
+ }
+
+ return 0;
}
#define VLAN_TAG_LEN 4 /* 802.3ac tag (not DMA'd) */
virtio_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
{
struct virtio_hw *hw = dev->data->dev_private;
- uint32_t ether_hdr_len = ETHER_HDR_LEN + VLAN_TAG_LEN +
+ uint32_t ether_hdr_len = RTE_ETHER_HDR_LEN + VLAN_TAG_LEN +
hw->vtnet_hdr_size;
uint32_t frame_size = mtu + ether_hdr_len;
uint32_t max_frame_size = hw->max_mtu + ether_hdr_len;
max_frame_size = RTE_MIN(max_frame_size, VIRTIO_MAX_RX_PKTLEN);
- if (mtu < ETHER_MIN_MTU || frame_size > max_frame_size) {
+ if (mtu < RTE_ETHER_MIN_MTU || frame_size > max_frame_size) {
PMD_INIT_LOG(ERR, "MTU should be between %d and %d",
- ETHER_MIN_MTU, max_frame_size - ether_hdr_len);
+ RTE_ETHER_MIN_MTU, max_frame_size - ether_hdr_len);
return -EINVAL;
}
return 0;
static int
virtio_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
{
+ struct virtio_hw *hw = dev->data->dev_private;
struct virtnet_rx *rxvq = dev->data->rx_queues[queue_id];
struct virtqueue *vq = rxvq->vq;
virtqueue_enable_intr(vq);
+ virtio_mb(hw->weak_barriers);
return 0;
}
.mac_addr_set = virtio_mac_addr_set,
};
+/*
+ * dev_ops for virtio-user in secondary processes, as we just have
+ * some limited supports currently.
+ */
+const struct eth_dev_ops virtio_user_secondary_eth_dev_ops = {
+ .dev_infos_get = virtio_dev_info_get,
+ .stats_get = virtio_dev_stats_get,
+ .xstats_get = virtio_dev_xstats_get,
+ .xstats_get_names = virtio_dev_xstats_get_names,
+ .stats_reset = virtio_dev_stats_reset,
+ .xstats_reset = virtio_dev_stats_reset,
+ /* collect stats per queue */
+ .queue_stats_mapping_set = virtio_dev_queue_stats_mapping_set,
+};
+
static void
virtio_update_stats(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
{
stats->opackets += txvq->stats.packets;
stats->obytes += txvq->stats.bytes;
- stats->oerrors += txvq->stats.errors;
if (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) {
stats->q_opackets[i] = txvq->stats.packets;
return 0;
}
-static void
+static int
virtio_dev_stats_reset(struct rte_eth_dev *dev)
{
unsigned int i;
txvq->stats.packets = 0;
txvq->stats.bytes = 0;
- txvq->stats.errors = 0;
txvq->stats.multicast = 0;
txvq->stats.broadcast = 0;
memset(txvq->stats.size_bins, 0,
memset(rxvq->stats.size_bins, 0,
sizeof(rxvq->stats.size_bins[0]) * 8);
}
+
+ return 0;
}
static void
{
vtpci_write_dev_config(hw,
offsetof(struct virtio_net_config, mac),
- &hw->mac_addr, ETHER_ADDR_LEN);
+ &hw->mac_addr, RTE_ETHER_ADDR_LEN);
}
static void
if (vtpci_with_feature(hw, VIRTIO_NET_F_MAC)) {
vtpci_read_dev_config(hw,
offsetof(struct virtio_net_config, mac),
- &hw->mac_addr, ETHER_ADDR_LEN);
+ &hw->mac_addr, RTE_ETHER_ADDR_LEN);
} else {
- eth_random_addr(&hw->mac_addr[0]);
+ rte_eth_random_addr(&hw->mac_addr[0]);
virtio_set_hwaddr(hw);
}
}
ctrl.hdr.class = VIRTIO_NET_CTRL_MAC;
ctrl.hdr.cmd = VIRTIO_NET_CTRL_MAC_TABLE_SET;
- len[0] = uc->entries * ETHER_ADDR_LEN + sizeof(uc->entries);
+ len[0] = uc->entries * RTE_ETHER_ADDR_LEN + sizeof(uc->entries);
memcpy(ctrl.data, uc, len[0]);
- len[1] = mc->entries * ETHER_ADDR_LEN + sizeof(mc->entries);
+ len[1] = mc->entries * RTE_ETHER_ADDR_LEN + sizeof(mc->entries);
memcpy(ctrl.data + len[0], mc, len[1]);
err = virtio_send_command(hw->cvq, &ctrl, len, 2);
}
static int
-virtio_mac_addr_add(struct rte_eth_dev *dev, struct ether_addr *mac_addr,
+virtio_mac_addr_add(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr,
uint32_t index, uint32_t vmdq __rte_unused)
{
struct virtio_hw *hw = dev->data->dev_private;
- const struct ether_addr *addrs = dev->data->mac_addrs;
+ const struct rte_ether_addr *addrs = dev->data->mac_addrs;
unsigned int i;
struct virtio_net_ctrl_mac *uc, *mc;
return -EINVAL;
}
- uc = alloca(VIRTIO_MAX_MAC_ADDRS * ETHER_ADDR_LEN + sizeof(uc->entries));
+ uc = alloca(VIRTIO_MAX_MAC_ADDRS * RTE_ETHER_ADDR_LEN +
+ sizeof(uc->entries));
uc->entries = 0;
- mc = alloca(VIRTIO_MAX_MAC_ADDRS * ETHER_ADDR_LEN + sizeof(mc->entries));
+ mc = alloca(VIRTIO_MAX_MAC_ADDRS * RTE_ETHER_ADDR_LEN +
+ sizeof(mc->entries));
mc->entries = 0;
for (i = 0; i < VIRTIO_MAX_MAC_ADDRS; i++) {
- const struct ether_addr *addr
+ const struct rte_ether_addr *addr
= (i == index) ? mac_addr : addrs + i;
struct virtio_net_ctrl_mac *tbl
- = is_multicast_ether_addr(addr) ? mc : uc;
+ = rte_is_multicast_ether_addr(addr) ? mc : uc;
- memcpy(&tbl->macs[tbl->entries++], addr, ETHER_ADDR_LEN);
+ memcpy(&tbl->macs[tbl->entries++], addr, RTE_ETHER_ADDR_LEN);
}
return virtio_mac_table_set(hw, uc, mc);
virtio_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
{
struct virtio_hw *hw = dev->data->dev_private;
- struct ether_addr *addrs = dev->data->mac_addrs;
+ struct rte_ether_addr *addrs = dev->data->mac_addrs;
struct virtio_net_ctrl_mac *uc, *mc;
unsigned int i;
return;
}
- uc = alloca(VIRTIO_MAX_MAC_ADDRS * ETHER_ADDR_LEN + sizeof(uc->entries));
+ uc = alloca(VIRTIO_MAX_MAC_ADDRS * RTE_ETHER_ADDR_LEN +
+ sizeof(uc->entries));
uc->entries = 0;
- mc = alloca(VIRTIO_MAX_MAC_ADDRS * ETHER_ADDR_LEN + sizeof(mc->entries));
+ mc = alloca(VIRTIO_MAX_MAC_ADDRS * RTE_ETHER_ADDR_LEN +
+ sizeof(mc->entries));
mc->entries = 0;
for (i = 0; i < VIRTIO_MAX_MAC_ADDRS; i++) {
struct virtio_net_ctrl_mac *tbl;
- if (i == index || is_zero_ether_addr(addrs + i))
+ if (i == index || rte_is_zero_ether_addr(addrs + i))
continue;
- tbl = is_multicast_ether_addr(addrs + i) ? mc : uc;
- memcpy(&tbl->macs[tbl->entries++], addrs + i, ETHER_ADDR_LEN);
+ tbl = rte_is_multicast_ether_addr(addrs + i) ? mc : uc;
+ memcpy(&tbl->macs[tbl->entries++], addrs + i,
+ RTE_ETHER_ADDR_LEN);
}
virtio_mac_table_set(hw, uc, mc);
}
static int
-virtio_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
+virtio_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr)
{
struct virtio_hw *hw = dev->data->dev_private;
- memcpy(hw->mac_addr, mac_addr, ETHER_ADDR_LEN);
+ 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)) {
struct virtio_pmd_ctrl ctrl;
- int len = ETHER_ADDR_LEN;
+ int len = RTE_ETHER_ADDR_LEN;
ctrl.hdr.class = VIRTIO_NET_CTRL_MAC;
ctrl.hdr.cmd = VIRTIO_NET_CTRL_MAC_ADDR_SET;
- memcpy(ctrl.data, mac_addr, ETHER_ADDR_LEN);
+ memcpy(ctrl.data, mac_addr, RTE_ETHER_ADDR_LEN);
return virtio_send_command(hw->cvq, &ctrl, &len, 1);
}
return virtio_send_command(hw->cvq, &ctrl, &len, 1);
}
+static int
+virtio_intr_unmask(struct rte_eth_dev *dev)
+{
+ struct virtio_hw *hw = dev->data->dev_private;
+
+ 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));
+
+ return 0;
+}
+
static int
virtio_intr_enable(struct rte_eth_dev *dev)
{
offsetof(struct virtio_net_config, mtu),
&config.mtu, sizeof(config.mtu));
- if (config.mtu < ETHER_MIN_MTU)
+ if (config.mtu < RTE_ETHER_MIN_MTU)
req_features &= ~(1ULL << VIRTIO_NET_F_MTU);
}
return;
rarp_mbuf = rte_net_make_rarp_packet(rxvq->mpool,
- (struct ether_addr *)hw->mac_addr);
+ (struct rte_ether_addr *)hw->mac_addr);
if (rarp_mbuf == NULL) {
PMD_DRV_LOG(ERR, "failed to make RARP packet.");
return;
isr = vtpci_isr(hw);
PMD_DRV_LOG(INFO, "interrupt status = %#x", isr);
- if (virtio_intr_enable(dev) < 0)
+ if (virtio_intr_unmask(dev) < 0)
PMD_DRV_LOG(ERR, "interrupt enable failed");
if (isr & VIRTIO_PCI_ISR_CONFIG) {
{
struct virtio_hw *hw = eth_dev->data->dev_private;
+ eth_dev->tx_pkt_prepare = virtio_xmit_pkts_prepare;
if (vtpci_packed_queue(hw)) {
PMD_INIT_LOG(INFO,
- "virtio: using packed ring standard Tx path on port %u",
+ "virtio: using packed ring %s Tx path on port %u",
+ hw->use_inorder_tx ? "inorder" : "standard",
eth_dev->data->port_id);
eth_dev->tx_pkt_burst = virtio_xmit_pkts_packed;
} else {
eth_dev->rx_pkt_burst = virtio_recv_pkts_vec;
} else if (hw->use_inorder_rx) {
PMD_INIT_LOG(INFO,
- "virtio: using inorder mergeable buffer Rx path on port %u",
+ "virtio: using inorder Rx path on port %u",
eth_dev->data->port_id);
- eth_dev->rx_pkt_burst =
- &virtio_recv_mergeable_pkts_inorder;
+ eth_dev->rx_pkt_burst = &virtio_recv_pkts_inorder;
} else if (vtpci_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF)) {
PMD_INIT_LOG(INFO,
"virtio: using mergeable buffer Rx path on port %u",
if (virtio_negotiate_features(hw, req_features) < 0)
return -1;
- if (!hw->virtio_user_dev) {
+ 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);
- rte_eth_copy_pci_info(eth_dev, pci_dev);
- }
/* If host does not support both status and MSI-X then disable LSC */
if (vtpci_with_feature(hw, VIRTIO_NET_F_STATUS) &&
/* Copy the permanent MAC address to: virtio_hw */
virtio_get_hwaddr(hw);
- ether_addr_copy((struct ether_addr *) hw->mac_addr,
+ 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",
* time, but check again in case it has changed since
* then, which should not happen.
*/
- if (config->mtu < ETHER_MIN_MTU) {
+ if (config->mtu < RTE_ETHER_MIN_MTU) {
PMD_INIT_LOG(ERR, "invalid max MTU value (%u)",
config->mtu);
return -1;
eth_dev->data->mtu = config->mtu;
} else {
- hw->max_mtu = VIRTIO_MAX_RX_PKTLEN - ETHER_HDR_LEN -
+ hw->max_mtu = VIRTIO_MAX_RX_PKTLEN - RTE_ETHER_HDR_LEN -
VLAN_TAG_LEN - hw->vtnet_hdr_size;
}
} else {
PMD_INIT_LOG(DEBUG, "config->max_virtqueue_pairs=1");
hw->max_queue_pairs = 1;
- hw->max_mtu = VIRTIO_MAX_RX_PKTLEN - ETHER_HDR_LEN -
+ hw->max_mtu = VIRTIO_MAX_RX_PKTLEN - RTE_ETHER_HDR_LEN -
VLAN_TAG_LEN - hw->vtnet_hdr_size;
}
if (eth_dev->data->dev_conf.intr_conf.rxq) {
if (virtio_configure_intr(eth_dev) < 0) {
PMD_INIT_LOG(ERR, "failed to configure interrupt");
+ virtio_free_queues(hw);
return -1;
}
}
struct virtio_hw *hw = eth_dev->data->dev_private;
int ret;
- RTE_BUILD_BUG_ON(RTE_PKTMBUF_HEADROOM < sizeof(struct virtio_net_hdr_mrg_rxbuf));
+ if (sizeof(struct virtio_net_hdr_mrg_rxbuf) > RTE_PKTMBUF_HEADROOM) {
+ PMD_INIT_LOG(ERR,
+ "Not sufficient headroom required = %d, avail = %d",
+ (int)sizeof(struct virtio_net_hdr_mrg_rxbuf),
+ RTE_PKTMBUF_HEADROOM);
+
+ return -1;
+ }
eth_dev->dev_ops = &virtio_eth_dev_ops;
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;
+
/* Allocate memory for storing MAC addresses */
- eth_dev->data->mac_addrs = rte_zmalloc("virtio", VIRTIO_MAX_MAC_ADDRS * ETHER_ADDR_LEN, 0);
+ eth_dev->data->mac_addrs = rte_zmalloc("virtio",
+ VIRTIO_MAX_MAC_ADDRS * RTE_ETHER_ADDR_LEN, 0);
if (eth_dev->data->mac_addrs == NULL) {
PMD_INIT_LOG(ERR,
"Failed to allocate %d bytes needed to store MAC addresses",
- VIRTIO_MAX_MAC_ADDRS * ETHER_ADDR_LEN);
+ VIRTIO_MAX_MAC_ADDRS * RTE_ETHER_ADDR_LEN);
return -ENOMEM;
}
if (!hw->virtio_user_dev) {
ret = vtpci_init(RTE_ETH_DEV_TO_PCI(eth_dev), hw);
if (ret)
- goto out;
+ goto err_vtpci_init;
}
/* reset device and negotiate default features */
ret = virtio_init_device(eth_dev, VIRTIO_PMD_DEFAULT_GUEST_FEATURES);
if (ret < 0)
- goto out;
+ goto err_virtio_init;
+
+ hw->opened = true;
return 0;
-out:
+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;
}
eth_dev->tx_pkt_burst = NULL;
eth_dev->rx_pkt_burst = NULL;
- if (eth_dev->device)
- rte_pci_unmap_device(RTE_ETH_DEV_TO_PCI(eth_dev));
-
PMD_INIT_LOG(DEBUG, "dev_uninit completed");
return 0;
static int eth_virtio_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
struct rte_pci_device *pci_dev)
{
- if (rte_eal_iopl_init() != 0) {
- PMD_INIT_LOG(ERR, "IOPL call failed - cannot use virtio PMD");
- return 1;
- }
-
/* virtio pmd skips probe if device needs to work in vdpa mode */
if (vdpa_mode_selected(pci_dev->device.devargs))
return 1;
static int eth_virtio_pci_remove(struct rte_pci_device *pci_dev)
{
- return rte_eth_dev_pci_generic_remove(pci_dev, eth_virtio_dev_uninit);
+ 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 = {
const struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
const struct rte_eth_txmode *txmode = &dev->data->dev_conf.txmode;
struct virtio_hw *hw = dev->data->dev_private;
+ uint32_t ether_hdr_len = RTE_ETHER_HDR_LEN + VLAN_TAG_LEN +
+ hw->vtnet_hdr_size;
uint64_t rx_offloads = rxmode->offloads;
uint64_t tx_offloads = txmode->offloads;
uint64_t req_features;
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 (dev->data->dev_conf.intr_conf.rxq) {
ret = virtio_init_device(dev, hw->req_guest_features);
if (ret < 0)
return ret;
}
+ if (rxmode->max_rx_pkt_len > hw->max_mtu + ether_hdr_len)
+ req_features &= ~(1ULL << VIRTIO_NET_F_MTU);
+
if (rx_offloads & (DEV_RX_OFFLOAD_UDP_CKSUM |
DEV_RX_OFFLOAD_TCP_CKSUM))
req_features |= (1ULL << VIRTIO_NET_F_GUEST_CSUM);
if (vtpci_with_feature(hw, VIRTIO_F_IN_ORDER)) {
hw->use_inorder_tx = 1;
- if (vtpci_with_feature(hw, VIRTIO_NET_F_MRG_RXBUF) &&
- !vtpci_packed_queue(hw)) {
- hw->use_inorder_rx = 1;
- hw->use_simple_rx = 0;
- } else {
- hw->use_inorder_rx = 0;
- }
+ hw->use_inorder_rx = 1;
+ hw->use_simple_rx = 0;
}
if (vtpci_packed_queue(hw)) {
hw->use_simple_rx = 0;
hw->use_inorder_rx = 0;
- hw->use_inorder_tx = 0;
}
#if defined RTE_ARCH_ARM64 || defined RTE_ARCH_ARM
DEV_RX_OFFLOAD_VLAN_STRIP))
hw->use_simple_rx = 0;
- hw->opened = true;
-
return 0;
}
return 0;
}
-static void
+static int
virtio_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
{
uint64_t tso_mask, host_features;
host_features = VTPCI_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_GUEST_CSUM)) {
dev_info->rx_offload_capa |=
DEV_RX_OFFLOAD_TCP_CKSUM |
(1ULL << VIRTIO_NET_F_HOST_TSO6);
if ((host_features & tso_mask) == tso_mask)
dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_TCP_TSO;
+
+ return 0;
}
/*