#include <vnet/devices/devices.h>
#include <vnet/feature/feature.h>
#include <vnet/interface/rx_queue_funcs.h>
+#include <vnet/interface/tx_queue_funcs.h>
#include <vnet/devices/virtio/vhost_user.h>
#include <vnet/devices/virtio/vhost_user_inline.h>
}
vui->nregions = 0;
- for (q = 0; q < vui->num_qid; q++)
- {
- vq = &vui->vrings[q];
- vq->avail = 0;
- vq->used = 0;
- vq->desc = 0;
- }
+ FOR_ALL_VHOST_RX_TXQ (q, vui)
+ {
+ vq = &vui->vrings[q];
+ vq->avail = 0;
+ vq->used = 0;
+ vq->desc = 0;
+ }
}
static_always_inline void
-vhost_user_tx_thread_placement (vhost_user_intf_t * vui)
+vhost_user_tx_thread_placement (vhost_user_intf_t *vui, u32 qid)
{
- //Let's try to assign one queue to each thread
- u32 qid;
- u32 thread_index = 0;
+ vnet_main_t *vnm = vnet_get_main ();
+ vhost_user_vring_t *rxvq = &vui->vrings[qid];
+ u32 q = qid >> 1, rxvq_count;
- vui->use_tx_spinlock = 0;
- while (1)
+ ASSERT ((qid & 1) == 0);
+ if (!rxvq->started || !rxvq->enabled)
+ return;
+
+ rxvq_count = (qid >> 1) + 1;
+ if (rxvq->queue_index == ~0)
{
- for (qid = 0; qid < vui->num_qid / 2; qid++)
- {
- vhost_user_vring_t *rxvq = &vui->vrings[VHOST_VRING_IDX_RX (qid)];
- if (!rxvq->started || !rxvq->enabled)
- continue;
-
- vui->per_cpu_tx_qid[thread_index] = qid;
- thread_index++;
- if (thread_index == vlib_get_thread_main ()->n_vlib_mains)
- return;
- }
- //We need to loop, meaning the spinlock has to be used
- vui->use_tx_spinlock = 1;
- if (thread_index == 0)
- {
- //Could not find a single valid one
- for (thread_index = 0;
- thread_index < vlib_get_thread_main ()->n_vlib_mains;
- thread_index++)
- {
- vui->per_cpu_tx_qid[thread_index] = 0;
- }
- return;
- }
+ rxvq->queue_index =
+ vnet_hw_if_register_tx_queue (vnm, vui->hw_if_index, q);
+ rxvq->qid = q;
}
+
+ FOR_ALL_VHOST_RXQ (q, vui)
+ {
+ vhost_user_vring_t *rxvq = &vui->vrings[q];
+ u32 qi = rxvq->queue_index;
+
+ if (rxvq->queue_index == ~0)
+ break;
+ for (u32 i = 0; i < vlib_get_n_threads (); i++)
+ vnet_hw_if_tx_queue_unassign_thread (vnm, qi, i);
+ }
+
+ for (u32 i = 0; i < vlib_get_n_threads (); i++)
+ {
+ vhost_user_vring_t *rxvq =
+ &vui->vrings[VHOST_VRING_IDX_RX (i % rxvq_count)];
+ u32 qi = rxvq->queue_index;
+
+ vnet_hw_if_tx_queue_assign_thread (vnm, qi, i);
+ }
+
+ vnet_hw_if_update_runtime_data (vnm, vui->hw_if_index);
}
/**
vnet_main_t *vnm = vnet_get_main ();
int rv;
u32 q = qid >> 1;
+ vhost_user_main_t *vum = &vhost_user_main;
ASSERT ((qid & 1) == 1); // should be odd
// Assign new queue mappings for the interface
+ if (txvq->queue_index != ~0)
+ return;
vnet_hw_if_set_input_node (vnm, vui->hw_if_index,
vhost_user_input_node.index);
txvq->queue_index = vnet_hw_if_register_rx_queue (vnm, vui->hw_if_index, q,
VNET_HW_IF_RXQ_THREAD_ANY);
+ txvq->thread_index =
+ vnet_hw_if_get_rx_queue_thread_index (vnm, txvq->queue_index);
+
if (txvq->mode == VNET_HW_IF_RX_MODE_UNKNOWN)
/* Set polling as the default */
txvq->mode = VNET_HW_IF_RX_MODE_POLLING;
+ if (txvq->mode == VNET_HW_IF_RX_MODE_POLLING)
+ {
+ vhost_cpu_t *cpu = vec_elt_at_index (vum->cpus, txvq->thread_index);
+ /* Keep a polling queue count for each thread */
+ cpu->polling_q_count++;
+ }
txvq->qid = q;
rv = vnet_hw_if_set_rx_queue_mode (vnm, txvq->queue_index, txvq->mode);
if (rv)
}
}
-static void
-vhost_user_set_interrupt_pending (vhost_user_intf_t * vui, u32 ifq)
-{
- u32 qid;
- vnet_main_t *vnm = vnet_get_main ();
- vhost_user_vring_t *txvq;
-
- qid = ifq & 0xff;
- if ((qid & 1) == 0)
- /* Only care about the odd number, or TX, virtqueue */
- return;
-
- // qid >> 1 is to convert virtqueue number to vring queue index
- qid >>= 1;
- txvq = &vui->vrings[VHOST_VRING_IDX_TX (qid)];
- if (vhost_user_intf_ready (vui) &&
- ((txvq->mode == VNET_HW_IF_RX_MODE_ADAPTIVE) ||
- (txvq->mode == VNET_HW_IF_RX_MODE_INTERRUPT)))
- vnet_hw_if_rx_queue_set_int_pending (vnm, txvq->queue_index);
-}
-
static clib_error_t *
vhost_user_callfd_read_ready (clib_file_t * uf)
{
{
if (qid & 1) // RX is odd, TX is even
{
- if (vui->vrings[qid].qid == -1)
+ if (vui->vrings[qid].queue_index == ~0)
vhost_user_rx_thread_placement (vui, qid);
}
else
- vhost_user_tx_thread_placement (vui);
+ vhost_user_tx_thread_placement (vui, qid);
}
static clib_error_t *
vhost_user_kickfd_read_ready (clib_file_t * uf)
{
- __attribute__ ((unused)) int n;
+ __attribute__ ((unused)) ssize_t n;
u8 buff[8];
+ vhost_user_main_t *vum = &vhost_user_main;
vhost_user_intf_t *vui =
- pool_elt_at_index (vhost_user_main.vhost_user_interfaces,
- uf->private_data >> 8);
+ pool_elt_at_index (vum->vhost_user_interfaces, uf->private_data >> 8);
u32 qid = uf->private_data & 0xff;
+ u32 is_txq = qid & 1;
+ vhost_user_vring_t *vq = &vui->vrings[qid];
+ vnet_main_t *vnm = vnet_get_main ();
- n = read (uf->file_descriptor, ((char *) &buff), 8);
- vu_log_debug (vui, "if %d KICK queue %d", vui->hw_if_index, qid);
- if (!vui->vrings[qid].started ||
- (vhost_user_intf_ready (vui) != vui->is_ready))
+ n = read (uf->file_descriptor, buff, 8);
+ if (vq->started == 0)
{
- if (vui->vrings[qid].started == 0)
- {
- vui->vrings[qid].started = 1;
- vhost_user_thread_placement (vui, qid);
- vhost_user_update_iface_state (vui);
- }
+ vq->started = 1;
+ vhost_user_thread_placement (vui, qid);
+ vhost_user_update_iface_state (vui);
+ if (is_txq)
+ vnet_hw_if_set_rx_queue_file_index (vnm, vq->queue_index,
+ vq->kickfd_idx);
+ }
+
+ if (is_txq && (vq->mode != VNET_HW_IF_RX_MODE_POLLING) &&
+ vhost_user_intf_ready (vui))
+ {
+ vhost_cpu_t *cpu = vec_elt_at_index (vum->cpus, vq->thread_index);
+ /*
+ * If the thread has more than 1 queue and the other queue is in polling
+ * mode, there is no need to trigger an interrupt
+ */
+ if (cpu->polling_q_count == 0)
+ vnet_hw_if_rx_queue_set_int_pending (vnm, vq->queue_index);
}
- vhost_user_set_interrupt_pending (vui, uf->private_data);
return 0;
}
vring->callfd_idx = ~0;
vring->errfd = -1;
vring->qid = -1;
+ vring->queue_index = ~0;
+ vring->thread_index = ~0;
+ vring->mode = VNET_HW_IF_RX_MODE_POLLING;
clib_spinlock_init (&vring->vring_lock);
clib_spinlock_free (&vring->vring_lock);
- // save the qid so that we don't need to unassign and assign_rx_thread
- // when the interface comes back up. They are expensive calls.
+ // save the needed information in vrings prior to being wiped out
u16 q = vui->vrings[qid].qid;
+ u32 queue_index = vui->vrings[qid].queue_index;
+ u32 mode = vui->vrings[qid].mode;
+ u32 thread_index = vui->vrings[qid].thread_index;
vhost_user_vring_init (vui, qid);
vui->vrings[qid].qid = q;
+ vui->vrings[qid].queue_index = queue_index;
+ vui->vrings[qid].mode = mode;
+ vui->vrings[qid].thread_index = thread_index;
}
static_always_inline void
vui->is_ready = 0;
- for (q = 0; q < vui->num_qid; q++)
- vhost_user_vring_close (vui, q);
+ FOR_ALL_VHOST_RX_TXQ (q, vui) { vhost_user_vring_close (vui, q); }
unmap_all_mem_regions (vui);
vu_log_debug (vui, "interface ifindex %d disconnected", vui->sw_if_index);
}
+void
+vhost_user_set_operation_mode (vhost_user_intf_t *vui,
+ vhost_user_vring_t *txvq)
+{
+ if (vhost_user_is_packed_ring_supported (vui))
+ {
+ if (txvq->used_event)
+ {
+ if (txvq->mode == VNET_HW_IF_RX_MODE_POLLING)
+ txvq->used_event->flags = VRING_EVENT_F_DISABLE;
+ else
+ txvq->used_event->flags = 0;
+ }
+ }
+ else
+ {
+ if (txvq->used)
+ {
+ if (txvq->mode == VNET_HW_IF_RX_MODE_POLLING)
+ txvq->used->flags = VRING_USED_F_NO_NOTIFY;
+ else
+ txvq->used->flags = 0;
+ }
+ }
+}
+
static clib_error_t *
vhost_user_socket_read (clib_file_t * uf)
{
(vui->features & VIRTIO_FEATURE (VIRTIO_F_ANY_LAYOUT)) ? 1 : 0;
ASSERT (vui->virtio_net_hdr_sz < VLIB_BUFFER_PRE_DATA_SIZE);
- vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, vui->hw_if_index);
if (vui->enable_gso &&
((vui->features & FEATURE_VIRTIO_NET_F_HOST_GUEST_TSO_FEATURE_BITS)
== FEATURE_VIRTIO_NET_F_HOST_GUEST_TSO_FEATURE_BITS))
- hw->flags |=
- (VNET_HW_INTERFACE_FLAG_SUPPORTS_GSO |
- VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD);
+ {
+ vnet_hw_if_set_caps (vnm, vui->hw_if_index,
+ VNET_HW_IF_CAP_TCP_GSO |
+ VNET_HW_IF_CAP_TX_TCP_CKSUM |
+ VNET_HW_IF_CAP_TX_UDP_CKSUM);
+ }
else
- hw->flags &= ~(VNET_HW_INTERFACE_FLAG_SUPPORTS_GSO |
- VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD);
+ {
+ vnet_hw_if_unset_caps (vnm, vui->hw_if_index,
+ VNET_HW_IF_CAP_TCP_GSO |
+ VNET_HW_IF_CAP_L4_TX_CKSUM);
+ }
vnet_hw_interface_set_flags (vnm, vui->hw_if_index, 0);
vui->is_ready = 0;
vhost_user_update_iface_state (vui);
* Re-compute desc, used, and avail descriptor table if vring address
* is set.
*/
- for (q = 0; q < vui->num_qid; q++)
- {
- if (vui->vrings[q].desc_user_addr &&
- vui->vrings[q].used_user_addr && vui->vrings[q].avail_user_addr)
- {
- vui->vrings[q].desc =
- map_user_mem (vui, vui->vrings[q].desc_user_addr);
- vui->vrings[q].used =
- map_user_mem (vui, vui->vrings[q].used_user_addr);
- vui->vrings[q].avail =
- map_user_mem (vui, vui->vrings[q].avail_user_addr);
- }
- }
+ FOR_ALL_VHOST_RX_TXQ (q, vui)
+ {
+ if (vui->vrings[q].desc_user_addr && vui->vrings[q].used_user_addr &&
+ vui->vrings[q].avail_user_addr)
+ {
+ vui->vrings[q].desc =
+ map_user_mem (vui, vui->vrings[q].desc_user_addr);
+ vui->vrings[q].used =
+ map_user_mem (vui, vui->vrings[q].used_user_addr);
+ vui->vrings[q].avail =
+ map_user_mem (vui, vui->vrings[q].avail_user_addr);
+ }
+ }
vlib_worker_thread_barrier_release (vm);
break;
goto close_socket;
}
- vring_desc_t *desc = map_user_mem (vui, msg.addr.desc_user_addr);
- vring_used_t *used = map_user_mem (vui, msg.addr.used_user_addr);
- vring_avail_t *avail = map_user_mem (vui, msg.addr.avail_user_addr);
+ vnet_virtio_vring_desc_t *desc =
+ map_user_mem (vui, msg.addr.desc_user_addr);
+ vnet_virtio_vring_used_t *used =
+ map_user_mem (vui, msg.addr.used_user_addr);
+ vnet_virtio_vring_avail_t *avail =
+ map_user_mem (vui, msg.addr.avail_user_addr);
if ((desc == NULL) || (used == NULL) || (avail == NULL))
{
vui->vrings[msg.state.index].last_kick =
vui->vrings[msg.state.index].last_used_idx;
- /* tell driver that we don't want interrupts */
- if (vhost_user_is_packed_ring_supported (vui))
- vui->vrings[msg.state.index].used_event->flags =
- VRING_EVENT_F_DISABLE;
- else
- vui->vrings[msg.state.index].used->flags = VRING_USED_F_NO_NOTIFY;
+ /* tell driver that we want interrupts or not */
+ vhost_user_set_operation_mode (vui, &vui->vrings[msg.state.index]);
vlib_worker_thread_barrier_release (vm);
vhost_user_update_iface_state (vui);
break;
case VHOST_USER_EVENT_START_TIMER:
stop_timer = 0;
+ timeout = 1e-3;
if (!vlib_process_suspend_time_is_zero (poll_time_remaining))
break;
/* fall through */
/* *INDENT-OFF* */
pool_foreach (vui, vum->vhost_user_interfaces) {
next_timeout = timeout;
- for (qid = 0; qid < vui->num_qid / 2; qid += 2)
- {
- vhost_user_vring_t *rxvq = &vui->vrings[qid];
- vhost_user_vring_t *txvq = &vui->vrings[qid + 1];
-
- if (txvq->qid == -1)
- continue;
- if (txvq->n_since_last_int)
- {
- if (now >= txvq->int_deadline)
- vhost_user_send_call (vm, vui, txvq);
- else
- next_timeout = txvq->int_deadline - now;
- }
-
- if (rxvq->n_since_last_int)
- {
- if (now >= rxvq->int_deadline)
- vhost_user_send_call (vm, vui, rxvq);
- else
- next_timeout = rxvq->int_deadline - now;
- }
-
- if ((next_timeout < timeout) && (next_timeout > 0.0))
- timeout = next_timeout;
- }
+ FOR_ALL_VHOST_RX_TXQ (qid, vui)
+ {
+ vhost_user_vring_t *vq = &vui->vrings[qid];
+
+ if (vq->started == 0)
+ continue;
+ if (vq->n_since_last_int)
+ {
+ if (now >= vq->int_deadline)
+ vhost_user_send_call (vm, vui, vq);
+ else
+ next_timeout = vq->int_deadline - now;
+ }
+
+ if ((next_timeout < timeout) && (next_timeout > 0.0))
+ timeout = next_timeout;
+ }
}
/* *INDENT-ON* */
break;
sun.sun_family = AF_UNIX;
template.read_function = vhost_user_socket_read;
template.error_function = vhost_user_socket_error;
- template.description = format (0, "vhost user process");
while (1)
{
template.file_descriptor = sockfd;
template.private_data =
vui - vhost_user_main.vhost_user_interfaces;
+ template.description = format (0, "vhost user process");
vui->clib_file_index = clib_file_add (&file_main, &template);
vui->num_qid = 2;
vhost_user_update_gso_interface_count (vui, 0 /* delete */ );
vhost_user_update_iface_state (vui);
- for (q = 0; q < vui->num_qid; q++)
- {
- clib_spinlock_free (&vui->vrings[q].vring_lock);
- }
+ for (q = 0; q < vec_len (vui->vrings); q++)
+ clib_spinlock_free (&vui->vrings[q].vring_lock);
if (vui->unix_server_index != ~0)
{
vu_log_debug (vui, "Deleting vhost-user interface %s (instance %d)",
hwif->name, hwif->dev_instance);
- for (qid = 1; qid < vui->num_qid / 2; qid += 2)
- {
- vhost_user_vring_t *txvq = &vui->vrings[qid];
+ FOR_ALL_VHOST_TXQ (qid, vui)
+ {
+ vhost_user_vring_t *txvq = &vui->vrings[qid];
- if (txvq->qid == -1)
- continue;
- if ((vum->ifq_count > 0) &&
- ((txvq->mode == VNET_HW_IF_RX_MODE_INTERRUPT) ||
- (txvq->mode == VNET_HW_IF_RX_MODE_ADAPTIVE)))
- {
- vum->ifq_count--;
- // Stop the timer if there is no more interrupt interface/queue
- if ((vum->ifq_count == 0) &&
- (vum->coalesce_time > 0.0) && (vum->coalesce_frames > 0))
- {
- vlib_process_signal_event (vm,
- vhost_user_send_interrupt_node.index,
- VHOST_USER_EVENT_STOP_TIMER, 0);
- break;
- }
- }
- }
+ if ((txvq->mode == VNET_HW_IF_RX_MODE_POLLING) &&
+ (txvq->thread_index != ~0))
+ {
+ vhost_cpu_t *cpu = vec_elt_at_index (vum->cpus, txvq->thread_index);
+ ASSERT (cpu->polling_q_count != 0);
+ cpu->polling_q_count--;
+ }
+
+ if ((vum->ifq_count > 0) &&
+ ((txvq->mode == VNET_HW_IF_RX_MODE_INTERRUPT) ||
+ (txvq->mode == VNET_HW_IF_RX_MODE_ADAPTIVE)))
+ {
+ vum->ifq_count--;
+ // Stop the timer if there is no more interrupt interface/queue
+ if (vum->ifq_count == 0)
+ {
+ vlib_process_signal_event (vm,
+ vhost_user_send_interrupt_node.index,
+ VHOST_USER_EVENT_STOP_TIMER, 0);
+ break;
+ }
+ }
+ }
// Disable and reset interface
vhost_user_term_if (vui);
* Create ethernet interface for vhost user interface.
*/
static void
-vhost_user_create_ethernet (vnet_main_t * vnm, vlib_main_t * vm,
- vhost_user_intf_t * vui, u8 * hwaddress)
+vhost_user_create_ethernet (vnet_main_t *vnm, vlib_main_t *vm,
+ vhost_user_intf_t *vui,
+ vhost_user_create_if_args_t *args)
{
vhost_user_main_t *vum = &vhost_user_main;
+ vnet_eth_interface_registration_t eir = {};
u8 hwaddr[6];
- clib_error_t *error;
/* create hw and sw interface */
- if (hwaddress)
+ if (args->use_custom_mac)
{
- clib_memcpy (hwaddr, hwaddress, 6);
+ clib_memcpy (hwaddr, args->hwaddr, 6);
}
else
{
hwaddr[1] = 0xfe;
}
- error = ethernet_register_interface
- (vnm,
- vhost_user_device_class.index,
- vui - vum->vhost_user_interfaces /* device instance */ ,
- hwaddr /* ethernet address */ ,
- &vui->hw_if_index, 0 /* flag change */ );
-
- if (error)
- clib_error_report (error);
+ eir.dev_class_index = vhost_user_device_class.index;
+ eir.dev_instance = vui - vum->vhost_user_interfaces /* device instance */,
+ eir.address = hwaddr;
+ vui->hw_if_index = vnet_eth_register_interface (vnm, &eir);
}
/*
vnet_sw_interface_t *sw;
int q;
vhost_user_main_t *vum = &vhost_user_main;
- vnet_hw_interface_t *hw;
- hw = vnet_get_hw_interface (vnm, vui->hw_if_index);
sw = vnet_get_hw_sw_interface (vnm, vui->hw_if_index);
if (server_sock_fd != -1)
{
for (q = 0; q < vec_len (vui->vrings); q++)
vhost_user_vring_init (vui, q);
- hw->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE;
+ vnet_hw_if_set_caps (vnm, vui->hw_if_index, VNET_HW_IF_CAP_INT_MODE);
vnet_hw_interface_set_flags (vnm, vui->hw_if_index, 0);
if (sw_if_index)
*sw_if_index = vui->sw_if_index;
-
- vec_validate (vui->per_cpu_tx_qid,
- vlib_get_thread_main ()->n_vlib_mains - 1);
- vhost_user_tx_thread_placement (vui);
}
int
/* Protect the uninitialized vui from being dispatched by rx/tx */
vlib_worker_thread_barrier_sync (vm);
pool_get (vhost_user_main.vhost_user_interfaces, vui);
- vhost_user_create_ethernet (vnm, vm, vui, args->hwaddr);
+ vhost_user_create_ethernet (vnm, vm, vui, args);
vlib_worker_thread_barrier_release (vm);
vhost_user_vui_init (vnm, vui, server_sock_fd, args, &sw_if_idx);
;
else if (unformat (line_input, "hwaddr %U", unformat_ethernet_address,
args.hwaddr))
- ;
+ args.use_custom_mac = 1;
else if (unformat (line_input, "renumber %d",
&args.custom_dev_instance))
args.renumber = 1;
{
char *fmt = va_arg (*args, char *);
vhost_user_intf_t *vui = va_arg (*args, vhost_user_intf_t *);
- vring_desc_t *desc_table = va_arg (*args, vring_desc_t *);
+ vnet_virtio_vring_desc_t *desc_table =
+ va_arg (*args, vnet_virtio_vring_desc_t *);
int idx = va_arg (*args, int);
u32 *mem_hint = va_arg (*args, u32 *);
u32 mem_hint = 0;
u32 idx;
u32 n_entries;
- vring_desc_t *desc_table;
+ vnet_virtio_vring_desc_t *desc_table;
vhost_user_vring_t *vq = &vui->vrings[q];
if (vq->avail && vq->used)
- vlib_cli_output (vm, " avail.flags %x avail event idx %u avail.idx %d "
- "used event idx %u used.idx %d\n", vq->avail->flags,
- vhost_user_avail_event_idx (vq), vq->avail->idx,
+ vlib_cli_output (vm,
+ " avail.flags %x avail event idx %u avail.idx %d "
+ "used.flags %x used event idx %u used.idx %d\n",
+ vq->avail->flags, vhost_user_avail_event_idx (vq),
+ vq->avail->idx, vq->used->flags,
vhost_user_used_event_idx (vq), vq->used->idx);
vhost_user_show_fds (vm, vq);
desc_table, j, &mem_hint);
if (show_verbose && (desc_table[j].flags & VRING_DESC_F_INDIRECT))
{
- n_entries = desc_table[j].len / sizeof (vring_desc_t);
+ n_entries =
+ desc_table[j].len / sizeof (vnet_virtio_vring_desc_t);
desc_table = map_guest_mem (vui, desc_table[j].addr, &mem_hint);
if (desc_table)
{
{
char *fmt = va_arg (*args, char *);
vhost_user_intf_t *vui = va_arg (*args, vhost_user_intf_t *);
- vring_packed_desc_t *desc_table = va_arg (*args, vring_packed_desc_t *);
+ vnet_virtio_vring_packed_desc_t *desc_table =
+ va_arg (*args, vnet_virtio_vring_packed_desc_t *);
int idx = va_arg (*args, int);
u32 *mem_hint = va_arg (*args, u32 *);
u32 mem_hint = 0;
u32 idx;
u32 n_entries;
- vring_packed_desc_t *desc_table;
+ vnet_virtio_vring_packed_desc_t *desc_table;
vhost_user_vring_t *vq = &vui->vrings[q];
u16 off_wrap, event_idx;
u32 hw_if_index, *hw_if_indices = 0;
vnet_hw_interface_t *hi;
u16 qid;
- u32 ci;
int i, j, q;
int show_descr = 0;
int show_verbose = 0;
vlib_cli_output (vm, " Number of rx virtqueues in interrupt mode: %d",
vum->ifq_count);
vlib_cli_output (vm, " Number of GSO interfaces: %d", vum->gso_count);
+ for (u32 tid = 0; tid <= vlib_num_workers (); tid++)
+ {
+ vhost_cpu_t *cpu = vec_elt_at_index (vum->cpus, tid);
+ vlib_cli_output (vm, " Thread %u: Polling queue count %u", tid,
+ cpu->polling_q_count);
+ }
for (i = 0; i < vec_len (hw_if_indices); i++)
{
vlib_cli_output (vm, " rx placement: ");
- for (qid = 1; qid < vui->num_qid / 2; qid += 2)
- {
- vnet_main_t *vnm = vnet_get_main ();
- uword thread_index;
- vhost_user_vring_t *txvq = &vui->vrings[qid];
-
- if (txvq->qid == -1)
- continue;
- thread_index =
- vnet_hw_if_get_rx_queue_thread_index (vnm, txvq->queue_index);
- vlib_cli_output (vm, " thread %d on vring %d, %U\n", thread_index,
- qid, format_vnet_hw_if_rx_mode, txvq->mode);
- }
+ FOR_ALL_VHOST_TXQ (qid, vui)
+ {
+ vhost_user_vring_t *txvq = &vui->vrings[qid];
+
+ if (txvq->qid == -1)
+ continue;
+ vlib_cli_output (vm, " thread %d on vring %d, %U\n",
+ txvq->thread_index, qid, format_vnet_hw_if_rx_mode,
+ txvq->mode);
+ }
- vlib_cli_output (vm, " tx placement: %s\n",
- vui->use_tx_spinlock ? "spin-lock" : "lock-free");
+ vlib_cli_output (vm, " tx placement\n");
- vec_foreach_index (ci, vui->per_cpu_tx_qid)
+ FOR_ALL_VHOST_RXQ (qid, vui)
{
- vlib_cli_output (vm, " thread %d on vring %d\n", ci,
- VHOST_VRING_IDX_RX (vui->per_cpu_tx_qid[ci]));
+ vhost_user_vring_t *rxvq = &vui->vrings[qid];
+ vnet_hw_if_tx_queue_t *txq;
+
+ if (rxvq->queue_index == ~0)
+ continue;
+ txq = vnet_hw_if_get_tx_queue (vnm, rxvq->queue_index);
+ if (txq->threads)
+ vlib_cli_output (vm, " threads %U on vring %u: %s\n",
+ format_bitmap_list, txq->threads, qid,
+ txq->shared_queue ? "spin-lock" : "lock-free");
}
vlib_cli_output (vm, "\n");
vui->regions[j].mmap_offset,
pointer_to_uword (vui->region_mmap_addr[j]));
}
- for (q = 0; q < vui->num_qid; q++)
- {
- if (!vui->vrings[q].started)
- continue;
-
- vlib_cli_output (vm, "\n Virtqueue %d (%s%s)\n", q,
- (q & 1) ? "RX" : "TX",
- vui->vrings[q].enabled ? "" : " disabled");
-
- vlib_cli_output (vm,
- " qsz %d last_avail_idx %d last_used_idx %d"
- " last_kick %u\n",
- vui->vrings[q].qsz_mask + 1,
- vui->vrings[q].last_avail_idx,
- vui->vrings[q].last_used_idx,
- vui->vrings[q].last_kick);
-
- if (vhost_user_is_packed_ring_supported (vui))
- vhost_user_show_desc_packed (vm, vui, q, show_descr,
- show_verbose);
- else
- vhost_user_show_desc (vm, vui, q, show_descr, show_verbose);
- }
+ FOR_ALL_VHOST_RX_TXQ (q, vui)
+ {
+ if (!vui->vrings[q].started)
+ continue;
+
+ vlib_cli_output (vm, "\n Virtqueue %d (%s%s)\n", q,
+ (q & 1) ? "RX" : "TX",
+ vui->vrings[q].enabled ? "" : " disabled");
+ vlib_cli_output (vm, " global %s queue index %u\n",
+ (q & 1) ? "RX" : "TX", vui->vrings[q].queue_index);
+
+ vlib_cli_output (
+ vm,
+ " qsz %d last_avail_idx %d last_used_idx %d"
+ " last_kick %u\n",
+ vui->vrings[q].qsz_mask + 1, vui->vrings[q].last_avail_idx,
+ vui->vrings[q].last_used_idx, vui->vrings[q].last_kick);
+
+ if (vhost_user_is_packed_ring_supported (vui))
+ vhost_user_show_desc_packed (vm, vui, q, show_descr, show_verbose);
+ else
+ vhost_user_show_desc (vm, vui, q, show_descr, show_verbose);
+ }
vlib_cli_output (vm, "\n");
}
done:
*
* There are several parameters associated with a vHost interface:
*
- * - <b>socket <socket-filename></b> - Name of the linux socket used by hypervisor
- * and VPP to manage the vHost interface. If in '<em>server</em>' mode, VPP will
- * create the socket if it does not already exist. If in '<em>client</em>' mode,
- * hypervisor will create the socket if it does not already exist. The VPP code
- * is indifferent to the file location. However, if SELinux is enabled, then the
- * socket needs to be created in '<em>/var/run/vpp/</em>'.
+ * - <b>socket <socket-filename></b> - Name of the linux socket used by
+ * hypervisor and VPP to manage the vHost interface. If in <em>server</em>
+ * mode, VPP will create the socket if it does not already exist. If in
+ * <em>client</em> mode, hypervisor will create the socket if it does not
+ * already exist. The VPP code is indifferent to the file location. However,
+ * if SELinux is enabled, then the socket needs to be created in
+ * <em>/var/run/vpp/</em>.
*
- * - <b>server</b> - Optional flag to indicate that VPP should be the server for
- * the linux socket. If not provided, VPP will be the client. In '<em>server</em>'
- * mode, the VM can be reset without tearing down the vHost Interface. In
- * '<em>client</em>' mode, VPP can be reset without bringing down the VM and
- * tearing down the vHost Interface.
+ * - <b>server</b> - Optional flag to indicate that VPP should be the server
+ * for the linux socket. If not provided, VPP will be the client. In
+ * <em>server</em> mode, the VM can be reset without tearing down the vHost
+ * Interface. In <em>client</em> mode, VPP can be reset without bringing down
+ * the VM and tearing down the vHost Interface.
*
- * - <b>feature-mask <hex></b> - Optional virtio/vhost feature set negotiated at
- * startup. <b>This is intended for degugging only.</b> It is recommended that this
- * parameter not be used except by experienced users. By default, all supported
- * features will be advertised. Otherwise, provide the set of features desired.
+ * - <b>feature-mask <hex></b> - Optional virtio/vhost feature set negotiated
+ * at startup. <b>This is intended for degugging only.</b> It is recommended
+ * that this parameter not be used except by experienced users. By default,
+ * all supported features will be advertised. Otherwise, provide the set of
+ * features desired.
* - 0x000008000 (15) - VIRTIO_NET_F_MRG_RXBUF
* - 0x000020000 (17) - VIRTIO_NET_F_CTRL_VQ
* - 0x000200000 (21) - VIRTIO_NET_F_GUEST_ANNOUNCE
* - <b>hwaddr <mac-addr></b> - Optional ethernet address, can be in either
* X:X:X:X:X:X unix or X.X.X cisco format.
*
- * - <b>renumber <dev_instance></b> - Optional parameter which allows the instance
- * in the name to be specified. If instance already exists, name will be used
- * anyway and multiple instances will have the same name. Use with caution.
+ * - <b>renumber <dev_instance></b> - Optional parameter which allows the
+ * instance in the name to be specified. If instance already exists, name
+ * will be used anyway and multiple instances will have the same name. Use
+ * with caution.
*
* @cliexpar
- * Example of how to create a vhost interface with VPP as the client and all features enabled:
+ * Example of how to create a vhost interface with VPP as the client and all
+ * features enabled:
* @cliexstart{create vhost-user socket /var/run/vpp/vhost1.sock}
* VirtualEthernet0/0/0
* @cliexend
- * Example of how to create a vhost interface with VPP as the server and with just
- * multiple queues enabled:
- * @cliexstart{create vhost-user socket /var/run/vpp/vhost2.sock server feature-mask 0x40400000}
+ * Example of how to create a vhost interface with VPP as the server and with
+ * just multiple queues enabled:
+ * @cliexstart{create vhost-user socket /var/run/vpp/vhost2.sock server
+ * feature-mask 0x40400000}
* VirtualEthernet0/0/1
* @cliexend
* Once the vHost interface is created, enable the interface using:
/*?
* Display the attributes of a single vHost User interface (provide interface
- * name), multiple vHost User interfaces (provide a list of interface names seperated
- * by spaces) or all Vhost User interfaces (omit an interface name to display all
- * vHost interfaces).
+ * name), multiple vHost User interfaces (provide a list of interface names
+ * separated by spaces) or all Vhost User interfaces (omit an interface name
+ * to display all vHost interfaces).
*
* @cliexpar
* @parblock
* thread 2 on vring 0
*
* Memory regions (total 2)
- * region fd guest_phys_addr memory_size userspace_addr mmap_offset mmap_addr
- * ====== ===== ================== ================== ================== ================== ==================
- * 0 60 0x0000000000000000 0x00000000000a0000 0x00002aaaaac00000 0x0000000000000000 0x00002aab2b400000
- * 1 61 0x00000000000c0000 0x000000003ff40000 0x00002aaaaacc0000 0x00000000000c0000 0x00002aababcc0000
+ * region fd guest_phys_addr memory_size userspace_addr mmap_offset mmap_addr
+ * ====== == =============== =========== ============== =========== ==========
+ * 0 60 0x00000000 0x000a0000 0xaac00000 0x00000000 0x2b400000
+ * 1 61 0x000c0000 0x3ff40000 0xaacc0000 0x000c0000 0xabcc0000
*
* Virtqueue 0 (TX)
* qsz 256 last_avail_idx 0 last_used_idx 0
*
* @cliexend
*
- * The optional '<em>descriptors</em>' parameter will display the same output as
- * the previous example but will include the descriptor table for each queue.
+ * The optional '<em>descriptors</em>' parameter will display the same output
+ * as the previous example but will include the descriptor table for each
+ * queue.
* The output is truncated below:
* @cliexstart{show vhost-user VirtualEthernet0/0/0 descriptors}
* Virtio vhost-user interfaces
Code Review / vpp.git / blobdiff