if (sz == 0)
sz = 256;
- vec_validate_aligned (vif->vrings, idx, CLIB_CACHE_LINE_BYTES);
- vring = vec_elt_at_index (vif->vrings, idx);
-
+ if (idx % 2)
+ {
+ vlib_thread_main_t *thm = vlib_get_thread_main ();
+ vec_validate_aligned (vif->txq_vrings, TX_QUEUE_ACCESS (idx),
+ CLIB_CACHE_LINE_BYTES);
+ vring = vec_elt_at_index (vif->txq_vrings, TX_QUEUE_ACCESS (idx));
+ if (thm->n_vlib_mains > 1)
+ clib_spinlock_init (&vring->lockp);
+ }
+ else
+ {
+ vec_validate_aligned (vif->rxq_vrings, RX_QUEUE_ACCESS (idx),
+ CLIB_CACHE_LINE_BYTES);
+ vring = vec_elt_at_index (vif->rxq_vrings, RX_QUEUE_ACCESS (idx));
+ }
i = sizeof (struct vring_desc) * sz;
i = round_pow2 (i, CLIB_CACHE_LINE_BYTES);
vring->desc = clib_mem_alloc_aligned (i, CLIB_CACHE_LINE_BYTES);
vring->used = clib_mem_alloc_aligned (i, CLIB_CACHE_LINE_BYTES);
clib_memset (vring->used, 0, i);
+ vring->queue_id = idx;
ASSERT (vring->buffers == 0);
vec_validate_aligned (vring->buffers, sz, CLIB_CACHE_LINE_BYTES);
- ASSERT (vring->indirect_buffers == 0);
- vec_validate_aligned (vring->indirect_buffers, sz, CLIB_CACHE_LINE_BYTES);
- if (idx % 2)
- {
- u32 n_alloc = 0;
- do
- {
- if (n_alloc < sz)
- n_alloc =
- vlib_buffer_alloc (vm, vring->indirect_buffers + n_alloc,
- sz - n_alloc);
- }
- while (n_alloc != sz);
- }
vring->size = sz;
vring->call_fd = eventfd (0, EFD_NONBLOCK | EFD_CLOEXEC);
}
clib_error_t *
-virtio_vring_free (vlib_main_t * vm, virtio_if_t * vif, u32 idx)
+virtio_vring_free_rx (vlib_main_t * vm, virtio_if_t * vif, u32 idx)
{
- virtio_vring_t *vring = vec_elt_at_index (vif->vrings, idx);
+ virtio_vring_t *vring =
+ vec_elt_at_index (vif->rxq_vrings, RX_QUEUE_ACCESS (idx));
clib_file_del_by_index (&file_main, vring->call_file_index);
close (vring->kick_fd);
close (vring->call_fd);
if (vring->used)
{
- if ((idx & 1) == 1)
- virtio_free_used_desc (vm, vring);
- else
- virtio_free_rx_buffers (vm, vring);
+ virtio_free_rx_buffers (vm, vring);
clib_mem_free (vring->used);
}
if (vring->desc)
clib_mem_free (vring->desc);
if (vring->avail)
clib_mem_free (vring->avail);
- if (vring->queue_id % 2)
+ vec_free (vring->buffers);
+ return 0;
+}
+
+inline void
+virtio_free_used_desc (vlib_main_t * vm, virtio_vring_t * vring)
+{
+ u16 used = vring->desc_in_use;
+ u16 sz = vring->size;
+ u16 mask = sz - 1;
+ u16 last = vring->last_used_idx;
+ u16 n_left = vring->used->idx - last;
+
+ if (n_left == 0)
+ return;
+
+ while (n_left)
+ {
+ struct vring_used_elem *e = &vring->used->ring[last & mask];
+ u16 slot = e->id;
+
+ vlib_buffer_free (vm, &vring->buffers[slot], 1);
+ used--;
+ last++;
+ n_left--;
+ }
+ vring->desc_in_use = used;
+ vring->last_used_idx = last;
+}
+
+clib_error_t *
+virtio_vring_free_tx (vlib_main_t * vm, virtio_if_t * vif, u32 idx)
+{
+ virtio_vring_t *vring =
+ vec_elt_at_index (vif->txq_vrings, TX_QUEUE_ACCESS (idx));
+
+ clib_file_del_by_index (&file_main, vring->call_file_index);
+ close (vring->kick_fd);
+ close (vring->call_fd);
+ if (vring->used)
{
- vlib_buffer_free_no_next (vm, vring->indirect_buffers, vring->size);
+ virtio_free_used_desc (vm, vring);
+ clib_mem_free (vring->used);
}
+ if (vring->desc)
+ clib_mem_free (vring->desc);
+ if (vring->avail)
+ clib_mem_free (vring->avail);
vec_free (vring->buffers);
- vec_free (vring->indirect_buffers);
+ clib_spinlock_free (&vring->lockp);
return 0;
}
+void
+virtio_vring_set_numa_node (vlib_main_t * vm, virtio_if_t * vif, u32 idx)
+{
+ vnet_main_t *vnm = vnet_get_main ();
+ u32 thread_index;
+ virtio_vring_t *vring =
+ vec_elt_at_index (vif->rxq_vrings, RX_QUEUE_ACCESS (idx));
+ thread_index =
+ vnet_get_device_input_thread_index (vnm, vif->hw_if_index,
+ RX_QUEUE_ACCESS (idx));
+ vring->buffer_pool_index =
+ vlib_buffer_pool_get_default_for_numa (vm,
+ vlib_mains
+ [thread_index]->numa_node);
+}
+
inline void
virtio_set_net_hdr_size (virtio_if_t * vif)
{
vlib_cli_output (vm, " host-ns \"%s\"", vif->net_ns);
vlib_cli_output (vm, " fd %d", vif->fd);
vlib_cli_output (vm, " tap-fd %d", vif->tap_fd);
+ vlib_cli_output (vm, " gso-enabled %d", vif->gso_enabled);
}
vlib_cli_output (vm, " Mac Address: %U", format_ethernet_address,
vif->mac_addr);
feat_entry->bit);
feat_entry++;
}
- vec_foreach_index (i, vif->vrings)
+ vlib_cli_output (vm, " Number of RX Virtqueue %u", vif->num_rxqs);
+ vlib_cli_output (vm, " Number of TX Virtqueue %u", vif->num_txqs);
+ if (vif->cxq_vring != NULL
+ && vif->features & VIRTIO_FEATURE (VIRTIO_NET_F_CTRL_VQ))
+ vlib_cli_output (vm, " Number of CTRL Virtqueue 1");
+ vec_foreach_index (i, vif->rxq_vrings)
+ {
+ vring = vec_elt_at_index (vif->rxq_vrings, i);
+ vlib_cli_output (vm, " Virtqueue (RX) %d", vring->queue_id);
+ vlib_cli_output (vm,
+ " qsz %d, last_used_idx %d, desc_next %d, desc_in_use %d",
+ vring->size, vring->last_used_idx, vring->desc_next,
+ vring->desc_in_use);
+ vlib_cli_output (vm,
+ " avail.flags 0x%x avail.idx %d used.flags 0x%x used.idx %d",
+ vring->avail->flags, vring->avail->idx,
+ vring->used->flags, vring->used->idx);
+ if (type == VIRTIO_IF_TYPE_TAP)
+ {
+ vlib_cli_output (vm, " kickfd %d, callfd %d", vring->kick_fd,
+ vring->call_fd);
+ }
+ if (show_descr)
+ {
+ vlib_cli_output (vm, "\n descriptor table:\n");
+ vlib_cli_output (vm,
+ " id addr len flags next user_addr\n");
+ vlib_cli_output (vm,
+ " ===== ================== ===== ====== ===== ==================\n");
+ for (j = 0; j < vring->size; j++)
+ {
+ struct vring_desc *desc = &vring->desc[j];
+ vlib_cli_output (vm,
+ " %-5d 0x%016lx %-5d 0x%04x %-5d 0x%016lx\n",
+ j, desc->addr,
+ desc->len,
+ desc->flags, desc->next, desc->addr);
+ }
+ }
+ }
+ vec_foreach_index (i, vif->txq_vrings)
{
- // RX = 0, TX = 1
- vring = vec_elt_at_index (vif->vrings, i);
- vlib_cli_output (vm, " Virtqueue (%s)", (i & 1) ? "TX" : "RX");
+ vring = vec_elt_at_index (vif->txq_vrings, i);
+ vlib_cli_output (vm, " Virtqueue (TX) %d", vring->queue_id);
vlib_cli_output (vm,
" qsz %d, last_used_idx %d, desc_next %d, desc_in_use %d",
vring->size, vring->last_used_idx, vring->desc_next,
" id addr len flags next user_addr\n");
vlib_cli_output (vm,
" ===== ================== ===== ====== ===== ==================\n");
- vring = vif->vrings;
for (j = 0; j < vring->size; j++)
{
struct vring_desc *desc = &vring->desc[j];
}
}
}
+ if (vif->cxq_vring != NULL
+ && vif->features & VIRTIO_FEATURE (VIRTIO_NET_F_CTRL_VQ))
+ {
+ vring = vif->cxq_vring;
+ vlib_cli_output (vm, " Virtqueue (CTRL) %d", vring->queue_id);
+ vlib_cli_output (vm,
+ " qsz %d, last_used_idx %d, desc_next %d, desc_in_use %d",
+ vring->size, vring->last_used_idx,
+ vring->desc_next, vring->desc_in_use);
+ vlib_cli_output (vm,
+ " avail.flags 0x%x avail.idx %d used.flags 0x%x used.idx %d",
+ vring->avail->flags, vring->avail->idx,
+ vring->used->flags, vring->used->idx);
+ if (type == VIRTIO_IF_TYPE_TAP)
+ {
+ vlib_cli_output (vm, " kickfd %d, callfd %d", vring->kick_fd,
+ vring->call_fd);
+ }
+ if (show_descr)
+ {
+ vlib_cli_output (vm, "\n descriptor table:\n");
+ vlib_cli_output (vm,
+ " id addr len flags next user_addr\n");
+ vlib_cli_output (vm,
+ " ===== ================== ===== ====== ===== ==================\n");
+ for (j = 0; j < vring->size; j++)
+ {
+ struct vring_desc *desc = &vring->desc[j];
+ vlib_cli_output (vm,
+ " %-5d 0x%016lx %-5d 0x%04x %-5d 0x%016lx\n",
+ j, desc->addr,
+ desc->len,
+ desc->flags, desc->next, desc->addr);
+ }
+ }
+ }
+
}
}
Code Review / vpp.git / blobdiff