u16 n_enqueued;
u8 int_mode;
u8 buffer_pool_index;
+ u32 queue_index;
} avf_rxq_t;
typedef struct
#include <vlib/unix/unix.h>
#include <vlib/pci/pci.h>
#include <vnet/ethernet/ethernet.h>
+#include <vnet/interface/rx_queue_funcs.h>
#include <avf/avf.h>
vnet_main_t *vnm = vnet_get_main ();
uword pd = vlib_pci_get_private_data (vm, h);
avf_device_t *ad = avf_get_device (pd);
+ avf_rxq_t *rxq = vec_elt_at_index (ad->rxqs, line - 1);
if (ad->flags & AVF_DEVICE_F_ELOG)
{
line--;
- if (ad->flags & AVF_DEVICE_F_RX_INT && ad->rxqs[line].int_mode)
- vnet_device_input_set_interrupt_pending (vnm, ad->hw_if_index, line);
+ if (ad->flags & AVF_DEVICE_F_RX_INT && rxq->int_mode)
+ vnet_hw_if_rx_queue_set_int_pending (vnm, rxq->queue_index);
avf_irq_n_set_state (ad, line, AVF_IRQ_STATE_ENABLED);
}
if (with_barrier)
vlib_worker_thread_barrier_sync (vm);
vnet_hw_interface_set_flags (vnm, ad->hw_if_index, 0);
- vnet_hw_interface_unassign_rx_thread (vnm, ad->hw_if_index, 0);
ethernet_delete_interface (vnm, ad->hw_if_index);
if (with_barrier)
vlib_worker_thread_barrier_release (vm);
vnet_hw_interface_t *hw = vnet_get_hw_interface (vnm, ad->hw_if_index);
hw->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_INT_MODE;
- vnet_hw_interface_set_input_node (vnm, ad->hw_if_index,
- avf_input_node.index);
+ vnet_hw_if_set_input_node (vnm, ad->hw_if_index, avf_input_node.index);
for (i = 0; i < ad->n_rx_queues; i++)
- vnet_hw_interface_assign_rx_thread (vnm, ad->hw_if_index, i, ~0);
+ {
+ u32 qi, fi;
+ qi = vnet_hw_if_register_rx_queue (vnm, ad->hw_if_index, i,
+ VNET_HW_IF_RXQ_THREAD_ANY);
+
+ if (ad->flags & AVF_DEVICE_F_RX_INT)
+ {
+ fi = vlib_pci_get_msix_file_index (vm, ad->pci_dev_handle, i + 1);
+ vnet_hw_if_set_rx_queue_file_index (vnm, qi, fi);
+ }
+ ad->rxqs[i].queue_index = qi;
+ }
+ vnet_hw_if_update_runtime_data (vnm, ad->hw_if_index);
if (pool_elts (am->devices) == 1)
vlib_process_signal_event (vm, avf_process_node.index,
#include <vlib/unix/unix.h>
#include <vlib/pci/pci.h>
#include <vnet/ethernet/ethernet.h>
-#include <vnet/devices/devices.h>
+#include <vnet/interface/rx_queue_funcs.h>
#include <avf/avf.h>
vlib_frame_t * frame)
{
u32 n_rx = 0;
- vnet_device_input_runtime_t *rt = (void *) node->runtime_data;
- vnet_device_and_queue_t *dq;
-
- foreach_device_and_queue (dq, rt->devices_and_queues)
- {
- avf_device_t *ad;
- ad = avf_get_device (dq->dev_instance);
- if ((ad->flags & AVF_DEVICE_F_ADMIN_UP) == 0)
- continue;
- n_rx += avf_device_input_inline (vm, node, frame, ad, dq->queue_id);
- }
+ vnet_hw_if_rxq_poll_vector_t *pv;
+
+ pv = vnet_hw_if_get_rxq_poll_vector (vm, node);
+
+ for (int i = 0; i < vec_len (pv); i++)
+ {
+ avf_device_t *ad = avf_get_device (pv[i].dev_instance);
+ if ((ad->flags & AVF_DEVICE_F_ADMIN_UP) == 0)
+ continue;
+ n_rx += avf_device_input_inline (vm, node, frame, ad, pv[i].queue_id);
+ }
+
return n_rx;
}
#include <vnet/ip/ip.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/ethernet/arp_packet.h>
+#include <vnet/interface/rx_queue_funcs.h>
#include <dpdk/buffer.h>
#include <dpdk/device/dpdk.h>
#include <dpdk/device/dpdk_priv.h>
for (j = 0; j < xd->rx_q_used; j++)
{
dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, j);
- uword tidx = vnet_get_device_input_thread_index (dm->vnet_main,
- xd->hw_if_index, j);
- unsigned lcore = vlib_worker_threads[tidx].cpu_id;
- u16 socket_id = rte_lcore_to_socket_id (lcore);
- u8 bpidx = vlib_buffer_pool_get_default_for_numa (vm, socket_id);
+ u8 bpidx = vlib_buffer_pool_get_default_for_numa (
+ vm, vnet_hw_if_get_rx_queue_numa_node (vnm, rxq->queue_index));
vlib_buffer_pool_t *bp = vlib_get_buffer_pool (vm, bpidx);
struct rte_mempool *mp = dpdk_mempool_by_buffer_pool_index[bpidx];
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
u8 buffer_pool_index;
+ u32 queue_index;
} dpdk_rx_queue_t;
typedef struct
#include <vlib/log.h>
#include <vnet/ethernet/ethernet.h>
+#include <vnet/interface/rx_queue_funcs.h>
#include <dpdk/buffer.h>
#include <dpdk/device/dpdk.h>
#include <dpdk/cryptodev/cryptodev.h>
else
xd->rx_q_used = 1;
+ vec_validate_aligned (xd->rx_queues, xd->rx_q_used - 1,
+ CLIB_CACHE_LINE_BYTES);
+
xd->flags |= DPDK_DEVICE_FLAG_PMD;
/* workaround for drivers not setting driver_name */
sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
xd->sw_if_index = sw->sw_if_index;
- vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
- dpdk_input_node.index);
+ vnet_hw_if_set_input_node (dm->vnet_main, xd->hw_if_index,
+ dpdk_input_node.index);
if (devconf->workers)
{
int i;
q = 0;
clib_bitmap_foreach (i, devconf->workers) {
- vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
- vdm->first_worker_thread_index + i);
+ dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
+ rxq->queue_index = vnet_hw_if_register_rx_queue (
+ dm->vnet_main, xd->hw_if_index, q++,
+ vdm->first_worker_thread_index + i);
}
}
else
for (q = 0; q < xd->rx_q_used; q++)
{
- vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
- ~1);
+ dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
+ rxq->queue_index = vnet_hw_if_register_rx_queue (
+ dm->vnet_main, xd->hw_if_index, q, VNET_HW_IF_RXQ_THREAD_ANY);
}
+ vnet_hw_if_update_runtime_data (dm->vnet_main, xd->hw_if_index);
+
/*Get vnet hardware interface */
hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
#include <vnet/mpls/packet.h>
#include <vnet/handoff.h>
#include <vnet/devices/devices.h>
+#include <vnet/interface/rx_queue_funcs.h>
#include <vnet/feature/feature.h>
#include <dpdk/device/dpdk_priv.h>
dpdk_main_t *dm = &dpdk_main;
dpdk_device_t *xd;
uword n_rx_packets = 0;
- vnet_device_input_runtime_t *rt = (void *) node->runtime_data;
- vnet_device_and_queue_t *dq;
+ vnet_hw_if_rxq_poll_vector_t *pv;
u32 thread_index = node->thread_index;
/*
* Poll all devices on this cpu for input/interrupts.
*/
- /* *INDENT-OFF* */
- foreach_device_and_queue (dq, rt->devices_and_queues)
+
+ pv = vnet_hw_if_get_rxq_poll_vector (vm, node);
+
+ for (int i = 0; i < vec_len (pv); i++)
{
- xd = vec_elt_at_index(dm->devices, dq->dev_instance);
- n_rx_packets += dpdk_device_input (vm, dm, xd, node, thread_index,
- dq->queue_id);
+ xd = vec_elt_at_index (dm->devices, pv[i].dev_instance);
+ n_rx_packets +=
+ dpdk_device_input (vm, dm, xd, node, thread_index, pv[i].queue_id);
}
- /* *INDENT-ON* */
return n_rx_packets;
}
#include <vnet/ip/ip6_packet.h>
#include <vnet/ip/ip4_packet.h>
#include <vnet/udp/udp_packet.h>
-
+#include <vnet/interface/rx_queue_funcs.h>
#include <vmxnet3/vmxnet3.h>
#define foreach_vmxnet3_input_error \
{
u32 n_rx = 0;
vmxnet3_main_t *vmxm = &vmxnet3_main;
- vnet_device_input_runtime_t *rt = (void *) node->runtime_data;
- vnet_device_and_queue_t *dq;
-
- foreach_device_and_queue (dq, rt->devices_and_queues)
- {
- vmxnet3_device_t *vd;
- vd = vec_elt_at_index (vmxm->devices, dq->dev_instance);
- if ((vd->flags & VMXNET3_DEVICE_F_ADMIN_UP) == 0)
- continue;
- n_rx += vmxnet3_device_input_inline (vm, node, frame, vd, dq->queue_id);
- }
+ vnet_hw_if_rxq_poll_vector_t *pv = vnet_hw_if_get_rxq_poll_vector (vm, node);
+ vnet_hw_if_rxq_poll_vector_t *pve;
+
+ vec_foreach (pve, pv)
+ {
+ vmxnet3_device_t *vd;
+ vd = vec_elt_at_index (vmxm->devices, pve->dev_instance);
+ if ((vd->flags & VMXNET3_DEVICE_F_ADMIN_UP) == 0)
+ continue;
+ n_rx += vmxnet3_device_input_inline (vm, node, frame, vd, pve->queue_id);
+ }
return n_rx;
}
#include <vnet/ethernet/ethernet.h>
#include <vnet/plugin/plugin.h>
#include <vpp/app/version.h>
-
+#include <vnet/interface/rx_queue_funcs.h>
#include <vmxnet3/vmxnet3.h>
#define PCI_VENDOR_ID_VMWARE 0x15ad
uword pd = vlib_pci_get_private_data (vm, h);
vmxnet3_device_t *vd = pool_elt_at_index (vmxm->devices, pd);
u16 qid = line;
+ vmxnet3_rxq_t *rxq = vec_elt_at_index (vd->rxqs, qid);
if (vec_len (vd->rxqs) > qid && vd->rxqs[qid].int_mode != 0)
- vnet_device_input_set_interrupt_pending (vnm, vd->hw_if_index, qid);
+ vnet_hw_if_rx_queue_set_int_pending (vnm, rxq->queue_index);
}
static void
hw->flags |= (VNET_HW_INTERFACE_FLAG_SUPPORTS_GSO |
VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD);
- vnet_hw_interface_set_input_node (vnm, vd->hw_if_index,
- vmxnet3_input_node.index);
+ vnet_hw_if_set_input_node (vnm, vd->hw_if_index, vmxnet3_input_node.index);
/* Disable interrupts */
vmxnet3_disable_interrupt (vd);
vec_foreach_index (qid, vd->rxqs)
{
vmxnet3_rxq_t *rxq = vec_elt_at_index (vd->rxqs, qid);
- u32 thread_index;
- u32 numa_node;
+ u32 qi, fi;
- vnet_hw_interface_assign_rx_thread (vnm, vd->hw_if_index, qid, ~0);
- thread_index = vnet_get_device_input_thread_index (vnm, vd->hw_if_index,
- qid);
- numa_node = vlib_mains[thread_index]->numa_node;
+ qi = vnet_hw_if_register_rx_queue (vnm, vd->hw_if_index, qid,
+ VNET_HW_IF_RXQ_THREAD_ANY);
+ fi = vlib_pci_get_msix_file_index (vm, vd->pci_dev_handle, qid);
+ vnet_hw_if_set_rx_queue_file_index (vnm, qi, fi);
+ rxq->queue_index = qi;
rxq->buffer_pool_index =
- vlib_buffer_pool_get_default_for_numa (vm, numa_node);
+ vnet_hw_if_get_rx_queue_numa_node (vnm, rxq->queue_index);
vmxnet3_rxq_refill_ring0 (vm, vd, rxq);
vmxnet3_rxq_refill_ring1 (vm, vd, rxq);
}
+ vnet_hw_if_update_runtime_data (vnm, vd->hw_if_index);
+
vd->flags |= VMXNET3_DEVICE_F_INITIALIZED;
vmxnet3_enable_interrupt (vd);
vnet_main_t *vnm = vnet_get_main ();
vmxnet3_main_t *vmxm = &vmxnet3_main;
u32 i, bi;
- u16 desc_idx, qid;
+ u16 desc_idx;
/* Quiesce the device */
vmxnet3_reg_write (vd, 1, VMXNET3_REG_CMD, VMXNET3_CMD_QUIESCE_DEV);
if (vd->hw_if_index)
{
vnet_hw_interface_set_flags (vnm, vd->hw_if_index, 0);
- vec_foreach_index (qid, vd->rxqs)
- vnet_hw_interface_unassign_rx_thread (vnm, vd->hw_if_index, qid);
ethernet_delete_interface (vnm, vd->hw_if_index);
}
u16 size;
u8 int_mode;
u8 buffer_pool_index;
+ u32 queue_index;
vmxnet3_rx_ring rx_ring[VMXNET3_RX_RING_SIZE];
vmxnet3_rx_desc *rx_desc[VMXNET3_RX_RING_SIZE];
vmxnet3_rx_comp *rx_comp;
{
}
-static_always_inline u64
-dispatch_pending_interrupts (vlib_main_t * vm, vlib_node_main_t * nm,
- u64 cpu_time_now,
- vlib_node_interrupt_t * interrupts)
-{
- vlib_node_runtime_t *n;
-
- for (int i = 0; i < _vec_len (interrupts); i++)
- {
- vlib_node_interrupt_t *in;
- in = vec_elt_at_index (interrupts, i);
- n = vec_elt_at_index (nm->nodes_by_type[VLIB_NODE_TYPE_INPUT],
- in->node_runtime_index);
- n->interrupt_data = in->data;
- cpu_time_now = dispatch_node (vm, n, VLIB_NODE_TYPE_INPUT,
- VLIB_NODE_STATE_INTERRUPT, /* frame */ 0,
- cpu_time_now);
- }
- return cpu_time_now;
-}
-
static inline void
pcap_postmortem_reset (vlib_main_t * vm)
{
f64 now;
vlib_frame_queue_main_t *fqm;
u32 frame_queue_check_counter = 0;
- vlib_node_interrupt_t *empty_int_list = 0;
/* Initialize pending node vector. */
if (is_main)
cpu_time_now = clib_cpu_time_now ();
/* Pre-allocate interupt runtime indices and lock. */
- vec_alloc (nm->pending_local_interrupts, 32);
- vec_alloc (nm->pending_remote_interrupts, 32);
- vec_alloc (empty_int_list, 32);
- vec_alloc_aligned (nm->pending_remote_interrupts_notify, 1,
- CLIB_CACHE_LINE_BYTES);
- clib_spinlock_init (&nm->pending_interrupt_lock);
+ vec_alloc_aligned (nm->pending_interrupts, 1, CLIB_CACHE_LINE_BYTES);
/* Pre-allocate expired nodes. */
if (!nm->polling_threshold_vector_length)
if (PREDICT_TRUE (is_main && vm->queue_signal_pending == 0))
vm->queue_signal_callback (vm);
- /* handle local interruots */
- if (_vec_len (nm->pending_local_interrupts))
+ if (__atomic_load_n (nm->pending_interrupts, __ATOMIC_ACQUIRE))
{
- vlib_node_interrupt_t *interrupts = nm->pending_local_interrupts;
- nm->pending_local_interrupts = empty_int_list;
- cpu_time_now = dispatch_pending_interrupts (vm, nm, cpu_time_now,
- interrupts);
- empty_int_list = interrupts;
- vec_reset_length (empty_int_list);
- }
+ int int_num = -1;
+ *nm->pending_interrupts = 0;
- /* handle remote interruots */
- if (PREDICT_FALSE (_vec_len (nm->pending_remote_interrupts)))
- {
- vlib_node_interrupt_t *interrupts;
-
- /* at this point it is known that
- * vec_len (nm->pending_local_interrupts) is zero so we quickly swap
- * local and remote vector under the spinlock */
- clib_spinlock_lock (&nm->pending_interrupt_lock);
- interrupts = nm->pending_remote_interrupts;
- nm->pending_remote_interrupts = empty_int_list;
- *nm->pending_remote_interrupts_notify = 0;
- clib_spinlock_unlock (&nm->pending_interrupt_lock);
-
- cpu_time_now = dispatch_pending_interrupts (vm, nm, cpu_time_now,
- interrupts);
- empty_int_list = interrupts;
- vec_reset_length (empty_int_list);
+ while ((int_num =
+ clib_interrupt_get_next (nm->interrupts, int_num)) != -1)
+ {
+ vlib_node_runtime_t *n;
+ clib_interrupt_clear (nm->interrupts, int_num);
+ n = vec_elt_at_index (nm->nodes_by_type[VLIB_NODE_TYPE_INPUT],
+ int_num);
+ cpu_time_now = dispatch_node (vm, n, VLIB_NODE_TYPE_INPUT,
+ VLIB_NODE_STATE_INTERRUPT,
+ /* frame */ 0, cpu_time_now);
+ }
}
/* Input nodes may have added work to the pending vector.
{
vec_add2_aligned (nm->nodes_by_type[n->type], rt, 1,
/* align */ CLIB_CACHE_LINE_BYTES);
+ if (n->type == VLIB_NODE_TYPE_INPUT)
+ clib_interrupt_resize (&nm->interrupts,
+ vec_len (nm->nodes_by_type[n->type]));
n->runtime_index = rt - nm->nodes_by_type[n->type];
}
u16 state; /**< Input node state. */
- u32 interrupt_data; /**< Data passed together with interrupt.
- Valid only when state is
- VLIB_NODE_STATE_INTERRUPT */
-
u16 n_next_nodes;
u16 cached_next_index; /**< Next frame index that vector
return d / 2;
}
-typedef struct
-{
- u32 node_runtime_index;
- u32 data;
-} vlib_node_interrupt_t;
-
typedef struct
{
/* Public nodes. */
vlib_node_runtime_t *nodes_by_type[VLIB_N_NODE_TYPE];
/* Node runtime indices for input nodes with pending interrupts. */
- vlib_node_interrupt_t *pending_local_interrupts;
- vlib_node_interrupt_t *pending_remote_interrupts;
- volatile u32 *pending_remote_interrupts_notify;
- clib_spinlock_t pending_interrupt_lock;
+ void *interrupts;
+ volatile u32 *pending_interrupts;
/* Input nodes are switched from/to interrupt to/from polling mode
when average vector length goes above/below polling/interrupt
#include <vppinfra/fifo.h>
#include <vppinfra/tw_timer_1t_3w_1024sl_ov.h>
+#include <vppinfra/interrupt.h>
#ifdef CLIB_SANITIZE_ADDR
#include <sanitizer/asan_interface.h>
}
always_inline void
-vlib_node_set_interrupt_pending_with_data (vlib_main_t * vm, u32 node_index,
- u32 data)
+vlib_node_set_interrupt_pending (vlib_main_t *vm, u32 node_index)
{
vlib_node_main_t *nm = &vm->node_main;
vlib_node_t *n = vec_elt (nm->nodes, node_index);
- vlib_node_interrupt_t *i;
+
ASSERT (n->type == VLIB_NODE_TYPE_INPUT);
- if (vm == vlib_get_main ())
- {
- /* local thread */
- vec_add2 (nm->pending_local_interrupts, i, 1);
- i->node_runtime_index = n->runtime_index;
- i->data = data;
- }
+ if (vm != vlib_get_main ())
+ clib_interrupt_set_atomic (nm->interrupts, n->runtime_index);
else
- {
- /* remote thread */
- clib_spinlock_lock (&nm->pending_interrupt_lock);
- vec_add2 (nm->pending_remote_interrupts, i, 1);
- i->node_runtime_index = n->runtime_index;
- i->data = data;
- *nm->pending_remote_interrupts_notify = 1;
- clib_spinlock_unlock (&nm->pending_interrupt_lock);
- }
-}
+ clib_interrupt_set (nm->interrupts, n->runtime_index);
-always_inline void
-vlib_node_set_interrupt_pending (vlib_main_t * vm, u32 node_index)
-{
- vlib_node_set_interrupt_pending_with_data (vm, node_index, 0);
+ __atomic_store_n (nm->pending_interrupts, 1, __ATOMIC_RELEASE);
}
always_inline vlib_process_t *
#include <math.h>
#include <vppinfra/format.h>
#include <vppinfra/time_range.h>
+#include <vppinfra/interrupt.h>
#include <vppinfra/linux/sysfs.h>
#include <vlib/vlib.h>
nm_clone->nodes_by_type[VLIB_NODE_TYPE_INPUT] =
vec_dup_aligned (nm->nodes_by_type[VLIB_NODE_TYPE_INPUT],
CLIB_CACHE_LINE_BYTES);
+ clib_interrupt_init (
+ &nm_clone->interrupts,
+ vec_len (nm_clone->nodes_by_type[VLIB_NODE_TYPE_INPUT]));
vec_foreach (rt, nm_clone->nodes_by_type[VLIB_NODE_TYPE_INPUT])
{
vlib_node_t *n = vlib_get_node (vm, rt->node_index);
nm_clone->nodes_by_type[VLIB_NODE_TYPE_INPUT] =
vec_dup_aligned (nm->nodes_by_type[VLIB_NODE_TYPE_INPUT],
CLIB_CACHE_LINE_BYTES);
+ clib_interrupt_resize (
+ &nm_clone->interrupts,
+ vec_len (nm_clone->nodes_by_type[VLIB_NODE_TYPE_INPUT]));
vec_foreach (rt, nm_clone->nodes_by_type[VLIB_NODE_TYPE_INPUT])
{
while (nanosleep (&ts, &tsrem) < 0)
ts = tsrem;
- if (*vlib_worker_threads->wait_at_barrier
- || *nm->pending_remote_interrupts_notify)
+ if (*vlib_worker_threads->wait_at_barrier ||
+ *nm->pending_interrupts)
goto done;
}
}
interface_cli.c
interface_format.c
interface_output.c
+ interface/rx_queue.c
+ interface/runtime.c
interface_stats.c
misc.c
)
flow/flow.h
global_funcs.h
handoff.h
+ interface/rx_queue_funcs.h
interface.h
interface_funcs.h
interface_output.h
{
vnet_device_and_queue_t *devices_and_queues;
vlib_node_state_t enabled_node_state;
+ u32 pad;
} vnet_device_input_runtime_t;
extern vnet_device_main_t vnet_device_main;
{
virtio_set_packet_coalesce (vif);
}
- vnet_hw_interface_set_input_node (vnm, vif->hw_if_index,
- virtio_input_node.index);
- for (i = 0; i < vif->num_rxqs; i++)
- {
- vnet_hw_interface_assign_rx_thread (vnm, vif->hw_if_index, i, ~0);
- vnet_hw_interface_set_rx_mode (vnm, vif->hw_if_index, i,
- VNET_HW_IF_RX_MODE_DEFAULT);
- virtio_vring_set_numa_node (vm, vif, RX_QUEUE (i));
- }
+ virtio_vring_set_rx_queues (vm, vif);
vif->per_interface_next_index = ~0;
vif->flags |= VIRTIO_IF_FLAG_ADMIN_UP;
{
vnet_main_t *vnm = vnet_get_main ();
virtio_main_t *mm = &virtio_main;
- int i;
virtio_if_t *vif;
vnet_hw_interface_t *hw;
/* bring down the interface */
vnet_hw_interface_set_flags (vnm, vif->hw_if_index, 0);
vnet_sw_interface_set_flags (vnm, vif->sw_if_index, 0);
- for (i = 0; i < vif->num_rxqs; i++)
- vnet_hw_interface_unassign_rx_thread (vnm, vif->hw_if_index, i);
if (vif->type == VIRTIO_IF_TYPE_TAP)
ethernet_delete_interface (vnm, vif->hw_if_index);
#include <vlib/vlib.h>
#include <vlib/unix/unix.h>
#include <vnet/ethernet/ethernet.h>
-#include <vnet/devices/devices.h>
#include <vnet/feature/feature.h>
#include <vnet/gso/gro_func.h>
+#include <vnet/interface/rx_queue_funcs.h>
#include <vnet/ip/ip4_packet.h>
#include <vnet/ip/ip6_packet.h>
#include <vnet/udp/udp_packet.h>
#include <vnet/devices/virtio/virtio.h>
-
#define foreach_virtio_input_error \
_(BUFFER_ALLOC, "buffer alloc error") \
_(UNKNOWN, "unknown")
vlib_frame_t * frame)
{
u32 n_rx = 0;
- virtio_main_t *nm = &virtio_main;
- vnet_device_input_runtime_t *rt = (void *) node->runtime_data;
- vnet_device_and_queue_t *dq;
-
- foreach_device_and_queue (dq, rt->devices_and_queues)
- {
- virtio_if_t *vif;
- vif = vec_elt_at_index (nm->interfaces, dq->dev_instance);
- if (vif->flags & VIRTIO_IF_FLAG_ADMIN_UP)
- {
- if (vif->type == VIRTIO_IF_TYPE_TAP)
- n_rx += virtio_device_input_inline (vm, node, frame, vif,
- dq->queue_id,
- VIRTIO_IF_TYPE_TAP);
- else if (vif->type == VIRTIO_IF_TYPE_PCI)
- n_rx += virtio_device_input_inline (vm, node, frame, vif,
- dq->queue_id,
- VIRTIO_IF_TYPE_PCI);
- else if (vif->type == VIRTIO_IF_TYPE_TUN)
- n_rx += virtio_device_input_inline (vm, node, frame, vif,
- dq->queue_id,
- VIRTIO_IF_TYPE_TUN);
- }
- }
+ virtio_main_t *vim = &virtio_main;
+ vnet_hw_if_rxq_poll_vector_t *p,
+ *pv = vnet_hw_if_get_rxq_poll_vector (vm, node);
+
+ vec_foreach (p, pv)
+ {
+ virtio_if_t *vif;
+ vif = vec_elt_at_index (vim->interfaces, p->dev_instance);
+ if (vif->flags & VIRTIO_IF_FLAG_ADMIN_UP)
+ {
+ if (vif->type == VIRTIO_IF_TYPE_TAP)
+ n_rx += virtio_device_input_inline (
+ vm, node, frame, vif, p->queue_id, VIRTIO_IF_TYPE_TAP);
+ else if (vif->type == VIRTIO_IF_TYPE_PCI)
+ n_rx += virtio_device_input_inline (
+ vm, node, frame, vif, p->queue_id, VIRTIO_IF_TYPE_PCI);
+ else if (vif->type == VIRTIO_IF_TYPE_TUN)
+ n_rx += virtio_device_input_inline (
+ vm, node, frame, vif, p->queue_id, VIRTIO_IF_TYPE_TUN);
+ }
+ }
return n_rx;
}
#include <vnet/ip/ip6_packet.h>
#include <vnet/devices/virtio/virtio.h>
#include <vnet/devices/virtio/pci.h>
+#include <vnet/interface/rx_queue_funcs.h>
#define PCI_VENDOR_ID_VIRTIO 0x1af4
#define PCI_DEVICE_ID_VIRTIO_NIC 0x1000
line--;
u16 qid = line;
- vnet_device_input_set_interrupt_pending (vnm, vif->hw_if_index, qid);
+ virtio_vring_t *vring = vec_elt_at_index (vif->rxq_vrings, qid);
+ vnet_hw_if_rx_queue_set_int_pending (vnm, vring->queue_index);
}
static void
}
}
- vnet_hw_interface_set_input_node (vnm, vif->hw_if_index,
- virtio_input_node.index);
- u32 i = 0;
- vec_foreach_index (i, vif->rxq_vrings)
- {
- vnet_hw_interface_assign_rx_thread (vnm, vif->hw_if_index, i, ~0);
- virtio_vring_set_numa_node (vm, vif, RX_QUEUE (i));
- /* Set default rx mode to POLLING */
- vnet_hw_interface_set_rx_mode (vnm, vif->hw_if_index, i,
- VNET_HW_IF_RX_MODE_POLLING);
- }
+ virtio_vring_set_rx_queues (vm, vif);
+
if (virtio_pci_is_link_up (vm, vif) & VIRTIO_NET_S_LINK_UP)
{
vif->flags |= VIRTIO_IF_FLAG_ADMIN_UP;
if (vif->hw_if_index)
{
vnet_hw_interface_set_flags (vnm, vif->hw_if_index, 0);
- vec_foreach_index (i, vif->rxq_vrings)
- {
- vnet_hw_interface_unassign_rx_thread (vnm, vif->hw_if_index, i);
- }
ethernet_delete_interface (vnm, vif->hw_if_index);
}
#include <vnet/ethernet/ethernet.h>
#include <vnet/devices/devices.h>
#include <vnet/feature/feature.h>
+#include <vnet/interface/rx_queue_funcs.h>
#include <vnet/devices/virtio/vhost_user.h>
#include <vnet/devices/virtio/vhost_user_inline.h>
ASSERT ((qid & 1) == 1); // should be odd
// Assign new queue mappings for the interface
- vnet_hw_interface_set_input_node (vnm, vui->hw_if_index,
- vhost_user_input_node.index);
- vnet_hw_interface_assign_rx_thread (vnm, vui->hw_if_index, q, ~0);
+ 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);
if (txvq->mode == VNET_HW_IF_RX_MODE_UNKNOWN)
/* Set polling as the default */
txvq->mode = VNET_HW_IF_RX_MODE_POLLING;
txvq->qid = q;
- rv = vnet_hw_interface_set_rx_mode (vnm, vui->hw_if_index, q, txvq->mode);
+ rv = vnet_hw_if_set_rx_queue_mode (vnm, txvq->queue_index, txvq->mode);
if (rv)
vu_log_warn (vui, "unable to set rx mode for interface %d, "
"queue %d: rc=%d", vui->hw_if_index, q, rv);
+ vnet_hw_if_update_runtime_data (vnm, vui->hw_if_index);
}
/** @brief Returns whether at least one TX and one RX vring are enabled */
{
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;
- if (vhost_user_intf_ready (vui))
- // qid >> 1 is to convert virtqueue number to vring queue index
- vnet_device_input_set_interrupt_pending (vnm, vui->hw_if_index, qid >> 1);
+ // 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 *
for (q = 0; q < vui->num_qid; q++)
{
- // Remove existing queue mapping for the interface
- if (q & 1)
- {
- int rv;
- vnet_main_t *vnm = vnet_get_main ();
- vhost_user_vring_t *txvq = &vui->vrings[q];
-
- if (txvq->qid != -1)
- {
- rv = vnet_hw_interface_unassign_rx_thread (vnm,
- vui->hw_if_index,
- q >> 1);
- if (rv)
- vu_log_warn (vui, "unable to unassign interface %d, "
- "queue %d: rc=%d", vui->hw_if_index, q >> 1, rv);
- }
- }
-
clib_spinlock_free (&vui->vrings[q].vring_lock);
}
{
vnet_main_t *vnm = vnet_get_main ();
uword thread_index;
- vnet_hw_if_rx_mode mode;
vhost_user_vring_t *txvq = &vui->vrings[qid];
if (txvq->qid == -1)
continue;
thread_index =
- vnet_get_device_input_thread_index (vnm, vui->hw_if_index,
- qid >> 1);
- vnet_hw_interface_get_rx_mode (vnm, vui->hw_if_index, qid >> 1,
- &mode);
- vlib_cli_output (vm, " thread %d on vring %d, %U\n",
- thread_index, qid,
- format_vnet_hw_if_rx_mode, mode);
+ 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);
}
vlib_cli_output (vm, " tx placement: %s\n",
u16 used_wrap_counter;
u16 avail_wrap_counter;
-
u16 last_kick;
u8 first_kick;
+ u32 queue_index;
} vhost_user_vring_t;
#define VHOST_USER_EVENT_START_TIMER 1
#include <vnet/devices/devices.h>
#include <vnet/feature/feature.h>
#include <vnet/udp/udp_packet.h>
+#include <vnet/interface/rx_queue_funcs.h>
#include <vnet/devices/virtio/vhost_user.h>
#include <vnet/devices/virtio/vhost_user_inline.h>
}
static_always_inline u32
-vhost_user_if_input (vlib_main_t * vm,
- vhost_user_main_t * vum,
- vhost_user_intf_t * vui,
- u16 qid, vlib_node_runtime_t * node,
- vnet_hw_if_rx_mode mode, u8 enable_csum)
+vhost_user_if_input (vlib_main_t *vm, vhost_user_main_t *vum,
+ vhost_user_intf_t *vui, u16 qid,
+ vlib_node_runtime_t *node, u8 enable_csum)
{
vhost_user_vring_t *txvq = &vui->vrings[VHOST_VRING_IDX_TX (qid)];
vnet_feature_main_t *fm = &feature_main;
* When the traffic subsides, the scheduler switches the node back to
* interrupt mode. We must tell the driver we want interrupt.
*/
- if (PREDICT_FALSE (mode == VNET_HW_IF_RX_MODE_ADAPTIVE))
+ if (PREDICT_FALSE (txvq->mode == VNET_HW_IF_RX_MODE_ADAPTIVE))
{
if ((node->flags &
VLIB_NODE_FLAG_SWITCH_FROM_POLLING_TO_INTERRUPT_MODE) ||
}
static_always_inline u32
-vhost_user_if_input_packed (vlib_main_t * vm, vhost_user_main_t * vum,
- vhost_user_intf_t * vui, u16 qid,
- vlib_node_runtime_t * node,
- vnet_hw_if_rx_mode mode, u8 enable_csum)
+vhost_user_if_input_packed (vlib_main_t *vm, vhost_user_main_t *vum,
+ vhost_user_intf_t *vui, u16 qid,
+ vlib_node_runtime_t *node, u8 enable_csum)
{
vhost_user_vring_t *txvq = &vui->vrings[VHOST_VRING_IDX_TX (qid)];
vnet_feature_main_t *fm = &feature_main;
* When the traffic subsides, the scheduler switches the node back to
* interrupt mode. We must tell the driver we want interrupt.
*/
- if (PREDICT_FALSE (mode == VNET_HW_IF_RX_MODE_ADAPTIVE))
+ if (PREDICT_FALSE (txvq->mode == VNET_HW_IF_RX_MODE_ADAPTIVE))
{
if ((node->flags &
VLIB_NODE_FLAG_SWITCH_FROM_POLLING_TO_INTERRUPT_MODE) ||
vhost_user_main_t *vum = &vhost_user_main;
uword n_rx_packets = 0;
vhost_user_intf_t *vui;
- vnet_device_input_runtime_t *rt =
- (vnet_device_input_runtime_t *) node->runtime_data;
- vnet_device_and_queue_t *dq;
+ vnet_hw_if_rxq_poll_vector_t *pv = vnet_hw_if_get_rxq_poll_vector (vm, node);
+ vnet_hw_if_rxq_poll_vector_t *pve;
- vec_foreach (dq, rt->devices_and_queues)
- {
- if ((node->state == VLIB_NODE_STATE_POLLING) ||
- clib_atomic_swap_acq_n (&dq->interrupt_pending, 0))
- {
- vui =
- pool_elt_at_index (vum->vhost_user_interfaces, dq->dev_instance);
- if (vhost_user_is_packed_ring_supported (vui))
- {
- if (vui->features & VIRTIO_FEATURE (VIRTIO_NET_F_CSUM))
- n_rx_packets += vhost_user_if_input_packed (vm, vum, vui,
- dq->queue_id, node,
- dq->mode, 1);
- else
- n_rx_packets += vhost_user_if_input_packed (vm, vum, vui,
- dq->queue_id, node,
- dq->mode, 0);
- }
- else
- {
- if (vui->features & VIRTIO_FEATURE (VIRTIO_NET_F_CSUM))
- n_rx_packets += vhost_user_if_input (vm, vum, vui, dq->queue_id,
- node, dq->mode, 1);
- else
- n_rx_packets += vhost_user_if_input (vm, vum, vui, dq->queue_id,
- node, dq->mode, 0);
- }
- }
- }
+ vec_foreach (pve, pv)
+ {
+ vui = pool_elt_at_index (vum->vhost_user_interfaces, pve->dev_instance);
+ if (vhost_user_is_packed_ring_supported (vui))
+ {
+ if (vui->features & VIRTIO_FEATURE (VIRTIO_NET_F_CSUM))
+ n_rx_packets += vhost_user_if_input_packed (
+ vm, vum, vui, pve->queue_id, node, 1);
+ else
+ n_rx_packets += vhost_user_if_input_packed (
+ vm, vum, vui, pve->queue_id, node, 0);
+ }
+ else
+ {
+ if (vui->features & VIRTIO_FEATURE (VIRTIO_NET_F_CSUM))
+ n_rx_packets +=
+ vhost_user_if_input (vm, vum, vui, pve->queue_id, node, 1);
+ else
+ n_rx_packets +=
+ vhost_user_if_input (vm, vum, vui, pve->queue_id, node, 0);
+ }
+ }
return n_rx_packets;
}
#include <vnet/ip/ip6_packet.h>
#include <vnet/devices/virtio/virtio.h>
#include <vnet/devices/virtio/pci.h>
+#include <vnet/interface/rx_queue_funcs.h>
virtio_main_t virtio_main;
static clib_error_t *
call_read_ready (clib_file_t * uf)
{
- virtio_main_t *nm = &virtio_main;
vnet_main_t *vnm = vnet_get_main ();
- u16 qid = uf->private_data & 0xFFFF;
- virtio_if_t *vif =
- vec_elt_at_index (nm->interfaces, uf->private_data >> 16);
u64 b;
CLIB_UNUSED (ssize_t size) = read (uf->file_descriptor, &b, sizeof (b));
- if ((qid & 1) == 0)
- vnet_device_input_set_interrupt_pending (vnm, vif->hw_if_index,
- RX_QUEUE_ACCESS (qid));
+ vnet_hw_if_rx_queue_set_int_pending (vnm, uf->private_data);
return 0;
}
virtio_vring_init (vlib_main_t * vm, virtio_if_t * vif, u16 idx, u16 sz)
{
virtio_vring_t *vring;
- clib_file_t t = { 0 };
int i;
if (!is_pow2 (sz))
virtio_log_debug (vif, "vring %u size %u call_fd %d kick_fd %d", idx,
vring->size, vring->call_fd, vring->kick_fd);
- t.read_function = call_read_ready;
- t.file_descriptor = vring->call_fd;
- t.private_data = vif->dev_instance << 16 | idx;
- t.description = format (0, "%U vring %u", format_virtio_device_name,
- vif->dev_instance, idx);
- vring->call_file_index = clib_file_add (&file_main, &t);
-
return 0;
}
}
void
-virtio_vring_set_numa_node (vlib_main_t * vm, virtio_if_t * vif, u32 idx)
+virtio_vring_set_rx_queues (vlib_main_t *vm, virtio_if_t *vif)
{
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);
+ virtio_vring_t *vring;
+
+ vnet_hw_if_set_input_node (vnm, vif->hw_if_index, virtio_input_node.index);
+
+ vec_foreach (vring, vif->rxq_vrings)
+ {
+ vring->queue_index = vnet_hw_if_register_rx_queue (
+ vnm, vif->hw_if_index, RX_QUEUE_ACCESS (vring->queue_id),
+ VNET_HW_IF_RXQ_THREAD_ANY);
+ vring->buffer_pool_index = vlib_buffer_pool_get_default_for_numa (
+ vm, vnet_hw_if_get_rx_queue_numa_node (vnm, vring->queue_index));
+ if (vif->type == VIRTIO_IF_TYPE_TAP || vif->type == VIRTIO_IF_TYPE_TUN)
+ {
+
+ clib_file_t f = {
+ .read_function = call_read_ready,
+ .flags = UNIX_FILE_EVENT_EDGE_TRIGGERED,
+ .file_descriptor = vring->call_fd,
+ .private_data = vring->queue_index,
+ .description = format (0, "%U vring %u", format_virtio_device_name,
+ vif->dev_instance, vring->queue_id),
+ };
+
+ vring->call_file_index = clib_file_add (&file_main, &f);
+ vnet_hw_if_set_rx_queue_file_index (vnm, vring->queue_index,
+ vring->call_file_index);
+ }
+ }
+ vnet_hw_if_update_runtime_data (vnm, vif->hw_if_index);
}
inline void
u32 *buffers;
u16 size;
u16 queue_id;
+ u32 queue_index;
u16 desc_in_use;
u16 desc_next;
u16 last_used_idx;
u32 idx);
clib_error_t *virtio_vring_free_tx (vlib_main_t * vm, virtio_if_t * vif,
u32 idx);
-void virtio_vring_set_numa_node (vlib_main_t * vm, virtio_if_t * vif,
- u32 idx);
+void virtio_vring_set_rx_queues (vlib_main_t *vm, virtio_if_t *vif);
extern void virtio_free_buffers (vlib_main_t * vm, virtio_vring_t * vring);
extern void virtio_set_net_hdr_size (virtio_if_t * vif);
extern void virtio_show (vlib_main_t * vm, u32 * hw_if_indices, u8 show_descr,
#include <vlib/vlib.h>
#include <vnet/devices/virtio/virtio.h>
#include <vnet/gso/gro_func.h>
+#include <vnet/interface/rx_queue_funcs.h>
static uword
virtio_send_interrupt_process (vlib_main_t * vm,
break;
case ~0:
- /* *INDENT-OFF* */
- pool_foreach (vif, vim->interfaces) {
- if (vif->packet_coalesce || vif->packet_buffering)
- {
- virtio_vring_t *vring;
- vec_foreach (vring, vif->rxq_vrings)
- {
- if (vring->mode == VNET_HW_IF_RX_MODE_INTERRUPT ||
- vring->mode == VNET_HW_IF_RX_MODE_ADAPTIVE)
- vnet_device_input_set_interrupt_pending (
- vnet_get_main (), vif->hw_if_index,
- RX_QUEUE_ACCESS (vring->queue_id));
- }
- }
- }
- /* *INDENT-ON* */
+ pool_foreach (vif, vim->interfaces)
+ {
+ if (vif->packet_coalesce || vif->packet_buffering)
+ {
+ virtio_vring_t *vring;
+ vec_foreach (vring, vif->rxq_vrings)
+ {
+ if (vring->mode == VNET_HW_IF_RX_MODE_INTERRUPT ||
+ vring->mode == VNET_HW_IF_RX_MODE_ADAPTIVE)
+ vnet_hw_if_rx_queue_set_int_pending (
+ vnet_get_main (), vring->queue_index);
+ }
+ }
+ }
break;
default:
#include <vnet/adj/adj.h>
#include <vnet/adj/adj_mcast.h>
#include <vnet/ip/ip.h>
+#include <vnet/interface/rx_queue_funcs.h>
/* *INDENT-OFF* */
VLIB_REGISTER_LOG_CLASS (if_default_log, static) = {
.class_name = "interface",
+ .default_syslog_level = VLIB_LOG_LEVEL_DEBUG,
};
/* *INDENT-ON* */
#define log_debug(fmt,...) vlib_log_debug(if_default_log.class, fmt, __VA_ARGS__)
#define log_err(fmt,...) vlib_log_err(if_default_log.class, fmt, __VA_ARGS__)
+
typedef enum vnet_interface_helper_flags_t_
{
VNET_INTERFACE_SET_FLAGS_HELPER_IS_CREATE = (1 << 0),
hi->flags &
~VNET_HW_INTERFACE_FLAG_LINK_UP,
helper_flags);
+ vnet_hw_if_update_runtime_data (vnm, si->hw_if_index);
}
}
/* Call delete callbacks. */
call_hw_interface_add_del_callbacks (vnm, hw_if_index, /* is_create */ 0);
+ /* delete rx queues */
+ vnet_hw_if_unregister_all_rx_queues (vnm, hw_if_index);
+ vnet_hw_if_update_runtime_data (vnm, hw_if_index);
+
/* Delete any sub-interfaces. */
{
u32 id, sw_if_index;
vec_free (hw->hw_address);
vec_free (hw->input_node_thread_index_by_queue);
vec_free (hw->dq_runtime_index_by_queue);
-
+ vec_free (hw->rx_queue_indices);
pool_put (im->hw_interfaces, hw);
}
im->hw_interface_class_by_name = hash_create_string ( /* size */ 0,
sizeof (uword));
+ im->rxq_index_by_hw_if_index_and_queue_id =
+ hash_create_mem (0, sizeof (u64), sizeof (u32));
im->sw_if_index_by_sup_and_sub = hash_create_mem (0, sizeof (u64),
sizeof (uword));
{
(VNET_HW_INTERFACE_FLAG_HALF_DUPLEX | \
VNET_HW_INTERFACE_FLAG_FULL_DUPLEX)
+typedef struct
+{
+ /* hw interface index */
+ u32 hw_if_index;
+
+ /* device instance */
+ u32 dev_instance;
+
+ /* index of thread pollling this queue */
+ u32 thread_index;
+
+ /* file index of queue interrupt line */
+ u32 file_index;
+
+ /* hardware queue identifier */
+ u32 queue_id;
+
+ /* mode */
+ vnet_hw_if_rx_mode mode : 8;
+#define VNET_HW_IF_RXQ_THREAD_ANY ~0
+#define VNET_HW_IF_RXQ_NO_RX_INTERRUPT ~0
+} vnet_hw_if_rx_queue_t;
+
/* Hardware-interface. This corresponds to a physical wire
that packets flow over. */
typedef struct vnet_hw_interface_t
/* device input device_and_queue runtime index */
uword *dq_runtime_index_by_queue;
+ /* rx queues */
+ u32 *rx_queue_indices;
+
/* numa node that hardware device connects to */
u8 numa_node;
u32 trace_classify_table_index;
} vnet_hw_interface_t;
+typedef struct
+{
+ u32 dev_instance;
+ u32 queue_id;
+} vnet_hw_if_rxq_poll_vector_t;
+
+typedef struct
+{
+ vnet_hw_if_rxq_poll_vector_t *rxq_poll_vector;
+ void *rxq_interrupts;
+} vnet_hw_if_rx_node_runtime_t;
+
extern vnet_device_class_t vnet_local_interface_device_class;
typedef enum
/* Hardware interfaces. */
vnet_hw_interface_t *hw_interfaces;
+ /* Hardware interface RX queues */
+ vnet_hw_if_rx_queue_t *hw_if_rx_queues;
+ uword *rxq_index_by_hw_if_index_and_queue_id;
+
/* Hash table mapping HW interface name to index. */
uword *hw_interface_by_name;
--- /dev/null
+/*
+ * Copyright (c) 2020 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vnet/vnet.h>
+#include <vnet/devices/devices.h>
+#include <vnet/feature/feature.h>
+#include <vnet/ip/ip.h>
+#include <vnet/ethernet/ethernet.h>
+#include <vnet/interface/rx_queue_funcs.h>
+#include <vlib/unix/unix.h>
+
+VLIB_REGISTER_LOG_CLASS (if_rxq_log, static) = {
+ .class_name = "interface",
+ .subclass_name = "runtime",
+};
+
+#define log_debug(fmt, ...) vlib_log_debug (if_rxq_log.class, fmt, __VA_ARGS__)
+#define log_err(fmt, ...) vlib_log_err (if_rxq_log.class, fmt, __VA_ARGS__)
+
+static char *node_state_str[] = {
+ [VLIB_NODE_STATE_DISABLED] = "disabled",
+ [VLIB_NODE_STATE_POLLING] = "polling",
+ [VLIB_NODE_STATE_INTERRUPT] = "interrupt",
+};
+
+static int
+poll_data_sort (void *a1, void *a2)
+{
+ vnet_hw_if_rxq_poll_vector_t *pv1 = a1;
+ vnet_hw_if_rxq_poll_vector_t *pv2 = a2;
+
+ if (pv1->dev_instance > pv2->dev_instance)
+ return 1;
+ else if (pv1->dev_instance < pv2->dev_instance)
+ return -1;
+ else if (pv1->queue_id > pv2->queue_id)
+ return 1;
+ else if (pv1->queue_id < pv2->queue_id)
+ return -1;
+ else
+ return 0;
+}
+
+void
+vnet_hw_if_update_runtime_data (vnet_main_t *vnm, u32 hw_if_index)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vnet_interface_main_t *im = &vnm->interface_main;
+ vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
+ u32 node_index = hi->input_node_index;
+ vnet_hw_if_rx_queue_t *rxq;
+ vnet_hw_if_rxq_poll_vector_t *pv, **d = 0;
+ vlib_node_state_t *per_thread_node_state = 0;
+ u32 n_threads = vec_len (vlib_mains);
+ int something_changed = 0;
+ clib_bitmap_t *pending_int = 0;
+ int last_int = -1;
+
+ log_debug ("update node '%U' triggered by interface %v",
+ format_vlib_node_name, vm, node_index, hi->name);
+
+ vec_validate (d, n_threads - 1);
+ vec_validate_init_empty (per_thread_node_state, n_threads - 1,
+ VLIB_NODE_STATE_DISABLED);
+
+ /* find out desired node state on each thread */
+ pool_foreach (rxq, im->hw_if_rx_queues)
+ {
+ u32 ti = rxq->thread_index;
+
+ ASSERT (rxq->mode != VNET_HW_IF_RX_MODE_UNKNOWN);
+ ASSERT (rxq->mode != VNET_HW_IF_RX_MODE_DEFAULT);
+
+ hi = vnet_get_hw_interface (vnm, rxq->hw_if_index);
+
+ if (hi->input_node_index != node_index)
+ continue;
+
+ if (rxq->mode == VNET_HW_IF_RX_MODE_POLLING)
+ per_thread_node_state[ti] = VLIB_NODE_STATE_POLLING;
+
+ if (per_thread_node_state[ti] == VLIB_NODE_STATE_POLLING)
+ continue;
+
+ if (rxq->mode == VNET_HW_IF_RX_MODE_INTERRUPT ||
+ rxq->mode == VNET_HW_IF_RX_MODE_ADAPTIVE)
+ per_thread_node_state[ti] = VLIB_NODE_STATE_INTERRUPT;
+ }
+
+ /* construct per-thread polling vectors */
+ pool_foreach (rxq, im->hw_if_rx_queues)
+ {
+ u32 ti = rxq->thread_index;
+ uword flags;
+
+ hi = vnet_get_hw_interface (vnm, rxq->hw_if_index);
+
+ if (hi->input_node_index != node_index)
+ continue;
+
+ flags = vnet_sw_interface_get_flags (vnm, hi->sw_if_index);
+ if ((flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) == 0)
+ {
+ log_debug ("skip interface %v (admin down)", hi->name);
+ continue;
+ }
+
+ if (rxq->mode == VNET_HW_IF_RX_MODE_INTERRUPT ||
+ rxq->mode == VNET_HW_IF_RX_MODE_ADAPTIVE)
+ last_int = clib_max (last_int, rxq - im->hw_if_rx_queues);
+
+ if (per_thread_node_state[ti] != VLIB_NODE_STATE_POLLING)
+ continue;
+
+ vec_add2_aligned (d[ti], pv, 1, CLIB_CACHE_LINE_BYTES);
+ pv->dev_instance = rxq->dev_instance;
+ pv->queue_id = rxq->queue_id;
+ }
+
+ /* sort poll vectors and compare them with active ones to avoid
+ * unnecesary barrier */
+ for (int i = 0; i < n_threads; i++)
+ {
+ vlib_node_state_t old_state;
+ vec_sort_with_function (d[i], poll_data_sort);
+
+ old_state = vlib_node_get_state (vlib_mains[i], node_index);
+ if (per_thread_node_state[i] != old_state)
+ {
+ something_changed = 1;
+ log_debug ("state changed for node %U on thread %u from %s to %s",
+ format_vlib_node_name, vm, node_index, i,
+ node_state_str[old_state],
+ node_state_str[per_thread_node_state[i]]);
+ }
+
+ /* check if something changed */
+ if (something_changed == 0)
+ {
+ vnet_hw_if_rx_node_runtime_t *rt;
+ rt = vlib_node_get_runtime_data (vlib_mains[i], node_index);
+ if (vec_len (rt->rxq_poll_vector) != vec_len (d[i]))
+ something_changed = 1;
+ else if (memcmp (d[i], rt->rxq_poll_vector,
+ vec_len (d[i]) * sizeof (*d)))
+ something_changed = 1;
+ if (clib_interrupt_get_n_int (rt->rxq_interrupts) != last_int + 1)
+ something_changed = 1;
+ }
+ }
+
+ if (something_changed)
+ {
+ int with_barrier;
+
+ if (vlib_worker_thread_barrier_held ())
+ {
+ with_barrier = 0;
+ log_debug ("%s", "already running under the barrier");
+ }
+ else
+ with_barrier = 1;
+
+ if (with_barrier)
+ vlib_worker_thread_barrier_sync (vm);
+
+ for (int i = 0; i < n_threads; i++)
+ {
+ vlib_main_t *vm = vlib_mains[i];
+ vnet_hw_if_rx_node_runtime_t *rt;
+ rt = vlib_node_get_runtime_data (vm, node_index);
+ pv = rt->rxq_poll_vector;
+ rt->rxq_poll_vector = d[i];
+ d[i] = pv;
+
+ if (rt->rxq_interrupts)
+ {
+ void *in = rt->rxq_interrupts;
+ int int_num = -1;
+ while ((int_num = clib_interrupt_get_next (in, int_num)) != -1)
+ {
+ clib_interrupt_clear (in, int_num);
+ pending_int = clib_bitmap_set (pending_int, int_num, 1);
+ }
+ }
+
+ vlib_node_set_state (vm, node_index, per_thread_node_state[i]);
+
+ if (last_int >= 0)
+ clib_interrupt_resize (&rt->rxq_interrupts, last_int + 1);
+ else
+ clib_interrupt_free (&rt->rxq_interrupts);
+ }
+
+ if (with_barrier)
+ vlib_worker_thread_barrier_release (vm);
+ }
+ else
+ log_debug ("skipping update of node '%U', no changes detected",
+ format_vlib_node_name, vm, node_index);
+
+ if (pending_int)
+ {
+ int i;
+ clib_bitmap_foreach (i, pending_int)
+ {
+ vnet_hw_if_rx_queue_set_int_pending (vnm, i);
+ }
+ clib_bitmap_free (pending_int);
+ }
+
+ for (int i = 0; i < n_threads; i++)
+ vec_free (d[i]);
+
+ vec_free (d);
+ vec_free (per_thread_node_state);
+}
--- /dev/null
+/*
+ * Copyright (c) 2020 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vnet/vnet.h>
+#include <vnet/devices/devices.h>
+#include <vnet/interface/rx_queue_funcs.h>
+#include <vlib/unix/unix.h>
+
+VLIB_REGISTER_LOG_CLASS (if_rxq_log, static) = {
+ .class_name = "interface",
+ .subclass_name = "rx-queue",
+};
+
+#define log_debug(fmt, ...) vlib_log_debug (if_rxq_log.class, fmt, __VA_ARGS__)
+#define log_err(fmt, ...) vlib_log_err (if_rxq_log.class, fmt, __VA_ARGS__)
+
+static u32
+next_thread_index (vnet_main_t *vnm, u32 thread_index)
+{
+ vnet_device_main_t *vdm = &vnet_device_main;
+ if (vdm->first_worker_thread_index == 0)
+ return 0;
+
+ if (thread_index != 0 && (thread_index < vdm->first_worker_thread_index ||
+ thread_index > vdm->last_worker_thread_index))
+ {
+ thread_index = vdm->next_worker_thread_index++;
+ if (vdm->next_worker_thread_index > vdm->last_worker_thread_index)
+ vdm->next_worker_thread_index = vdm->first_worker_thread_index;
+ }
+
+ return thread_index;
+}
+
+static u64
+rx_queue_key (u32 hw_if_index, u32 queue_id)
+{
+ return ((u64) hw_if_index << 32) | queue_id;
+}
+
+u32
+vnet_hw_if_get_rx_queue_index_by_id (vnet_main_t *vnm, u32 hw_if_index,
+ u32 queue_id)
+{
+ vnet_interface_main_t *im = &vnm->interface_main;
+ u64 key = rx_queue_key (hw_if_index, queue_id);
+ uword *p = hash_get_mem (im->rxq_index_by_hw_if_index_and_queue_id, &key);
+ return p ? p[0] : ~0;
+}
+
+u32
+vnet_hw_if_register_rx_queue (vnet_main_t *vnm, u32 hw_if_index, u32 queue_id,
+ u32 thread_index)
+{
+ vnet_interface_main_t *im = &vnm->interface_main;
+ vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
+ vnet_hw_if_rx_queue_t *rxq;
+ u64 key = rx_queue_key (hw_if_index, queue_id);
+ u32 queue_index;
+
+ if (hash_get_mem (im->rxq_index_by_hw_if_index_and_queue_id, &key))
+ clib_panic ("Trying to register already registered queue id (%u) in the "
+ "interface %v\n",
+ queue_id, hi->name);
+
+ thread_index = next_thread_index (vnm, thread_index);
+
+ pool_get_zero (im->hw_if_rx_queues, rxq);
+ queue_index = rxq - im->hw_if_rx_queues;
+ vec_add1 (hi->rx_queue_indices, queue_index);
+ hash_set_mem_alloc (&im->rxq_index_by_hw_if_index_and_queue_id, &key,
+ queue_index);
+ rxq->hw_if_index = hw_if_index;
+ rxq->dev_instance = hi->dev_instance;
+ rxq->queue_id = queue_id;
+ rxq->thread_index = thread_index;
+ rxq->mode = VNET_HW_IF_RX_MODE_POLLING;
+ rxq->file_index = ~0;
+
+ log_debug ("register: interface %s queue-id %u thread %u", hi->name,
+ queue_id, thread_index);
+
+ return queue_index;
+}
+
+void
+vnet_hw_if_unregister_rx_queue (vnet_main_t *vnm, u32 queue_index)
+{
+ vnet_interface_main_t *im = &vnm->interface_main;
+ vnet_hw_if_rx_queue_t *rxq;
+ rxq = vnet_hw_if_get_rx_queue (vnm, queue_index);
+ vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, rxq->hw_if_index);
+ u64 key;
+
+ key = ((u64) rxq->hw_if_index << 32) | rxq->queue_id;
+ hash_unset_mem_free (&im->rxq_index_by_hw_if_index_and_queue_id, &key);
+
+ for (int i = 0; i < vec_len (hi->rx_queue_indices); i++)
+ if (hi->rx_queue_indices[i] == queue_index)
+ {
+ vec_del1 (hi->rx_queue_indices, i);
+ break;
+ }
+
+ log_debug ("unregister: interface %s queue-id %u", hi->name, rxq->queue_id);
+ pool_put_index (im->hw_if_rx_queues, queue_index);
+}
+
+void
+vnet_hw_if_unregister_all_rx_queues (vnet_main_t *vnm, u32 hw_if_index)
+{
+ vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
+
+ log_debug ("unregister_all: interface %s", hi->name);
+
+ for (int i = 0; i < vec_len (hi->rx_queue_indices); i++)
+ vnet_hw_if_unregister_rx_queue (vnm, hi->rx_queue_indices[i]);
+
+ vec_free (hi->rx_queue_indices);
+}
+
+void
+vnet_hw_if_set_rx_queue_file_index (vnet_main_t *vnm, u32 queue_index,
+ u32 file_index)
+{
+ vnet_hw_if_rx_queue_t *rxq = vnet_hw_if_get_rx_queue (vnm, queue_index);
+ vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, rxq->hw_if_index);
+
+ rxq->file_index = file_index;
+ clib_file_set_polling_thread (&file_main, file_index, rxq->thread_index);
+ log_debug ("set_file_index: interface %s queue-id %u file-index %u",
+ hi->name, rxq->queue_id, file_index);
+}
+
+void
+vnet_hw_if_set_input_node (vnet_main_t *vnm, u32 hw_if_index, u32 node_index)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, hw_if_index);
+ hi->input_node_index = node_index;
+ log_debug ("set_input_node: node %U for interface %s", format_vlib_node_name,
+ vm, node_index, hi->name);
+}
+
+int
+vnet_hw_if_set_rx_queue_mode (vnet_main_t *vnm, u32 queue_index,
+ vnet_hw_if_rx_mode mode)
+{
+ vnet_hw_if_rx_queue_t *rxq = vnet_hw_if_get_rx_queue (vnm, queue_index);
+ vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, rxq->hw_if_index);
+ vnet_device_class_t *dc = vnet_get_device_class (vnm, hi->dev_class_index);
+
+ ASSERT (mode != VNET_HW_IF_RX_MODE_UNKNOWN);
+
+ if (mode == VNET_HW_IF_RX_MODE_DEFAULT)
+ mode = hi->default_rx_mode;
+
+ if (rxq->mode == mode)
+ {
+ log_debug ("set_rx_queue_mode: interface %s queue-id %u mode "
+ "unchanged (%U)",
+ hi->name, rxq->queue_id, format_vnet_hw_if_rx_mode, mode);
+ return 0;
+ }
+
+ if (dc->rx_mode_change_function)
+ {
+ clib_error_t *err = dc->rx_mode_change_function (vnm, rxq->hw_if_index,
+ rxq->queue_id, mode);
+ if (err)
+ {
+ log_err ("setting rx mode on the interface %s queue-id %u failed.\n"
+ " %U",
+ hi->name, rxq->queue_id, format_clib_error, err);
+ clib_error_free (err);
+ return VNET_API_ERROR_UNSUPPORTED;
+ }
+ }
+
+ rxq->mode = mode;
+ log_debug ("set_rx_queue_mode: interface %s queue-id %u mode set to %U",
+ hi->name, rxq->queue_id, format_vnet_hw_if_rx_mode, mode);
+ return 0;
+}
+
+vnet_hw_if_rx_mode
+vnet_hw_if_get_rx_queue_mode (vnet_main_t *vnm, u32 queue_index)
+{
+ vnet_hw_if_rx_queue_t *rxq = vnet_hw_if_get_rx_queue (vnm, queue_index);
+ return rxq->mode;
+}
+
+void
+vnet_hw_if_set_rx_queue_thread_index (vnet_main_t *vnm, u32 queue_index,
+ u32 thread_index)
+{
+ vnet_hw_if_rx_queue_t *rxq = vnet_hw_if_get_rx_queue (vnm, queue_index);
+ vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, rxq->hw_if_index);
+
+ rxq->thread_index = thread_index;
+
+ if (rxq->file_index != ~0)
+ clib_file_set_polling_thread (&file_main, rxq->file_index, thread_index);
+
+ log_debug ("set_rx_queue_thread_index: interface %s queue-id %u "
+ "thread-index set to %u",
+ hi->name, rxq->queue_id, thread_index);
+}
+
+void
+vnet_hw_if_generate_rxq_int_poll_vector (vlib_main_t *vm,
+ vlib_node_runtime_t *node)
+{
+ vnet_hw_if_rx_node_runtime_t *rt = (void *) node->runtime_data;
+ vnet_main_t *vnm = vnet_get_main ();
+ int int_num = -1;
+
+ ASSERT (node->state == VLIB_NODE_STATE_INTERRUPT);
+
+ vec_reset_length (rt->rxq_poll_vector);
+
+ while ((int_num = clib_interrupt_get_next (rt->rxq_interrupts, int_num)) !=
+ -1)
+ {
+ vnet_hw_if_rx_queue_t *rxq = vnet_hw_if_get_rx_queue (vnm, int_num);
+ vnet_hw_if_rxq_poll_vector_t *pv;
+
+ clib_interrupt_clear (rt->rxq_interrupts, int_num);
+
+ vec_add2 (rt->rxq_poll_vector, pv, 1);
+ pv->dev_instance = rxq->dev_instance;
+ pv->queue_id = rxq->queue_id;
+ }
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
--- /dev/null
+/*
+ * Copyright (c) 2020 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vnet/vnet.h>
+
+/* funciton declarations */
+
+u32 vnet_hw_if_get_rx_queue_index_by_id (vnet_main_t *vnm, u32 hw_if_index,
+ u32 queue_id);
+u32 vnet_hw_if_register_rx_queue (vnet_main_t *vnm, u32 hw_if_index,
+ u32 queue_id, u32 thread_idnex);
+void vnet_hw_if_unregister_rx_queue (vnet_main_t *vnm, u32 queue_index);
+void vnet_hw_if_unregister_all_rx_queues (vnet_main_t *vnm, u32 hw_if_index);
+void vnet_hw_if_set_rx_queue_file_index (vnet_main_t *vnm, u32 queue_index,
+ u32 file_index);
+void vnet_hw_if_set_input_node (vnet_main_t *vnm, u32 hw_if_index,
+ u32 node_index);
+int vnet_hw_if_set_rx_queue_mode (vnet_main_t *vnm, u32 queue_index,
+ vnet_hw_if_rx_mode mode);
+vnet_hw_if_rx_mode vnet_hw_if_get_rx_queue_mode (vnet_main_t *vnm,
+ u32 queue_index);
+void vnet_hw_if_set_rx_queue_thread_index (vnet_main_t *vnm, u32 queue_index,
+ u32 thread_index);
+void vnet_hw_if_update_runtime_data (vnet_main_t *vnm, u32 hw_if_index);
+void vnet_hw_if_generate_rxq_int_poll_vector (vlib_main_t *vm,
+ vlib_node_runtime_t *node);
+
+/* inline functions */
+
+static_always_inline vnet_hw_if_rx_queue_t *
+vnet_hw_if_get_rx_queue (vnet_main_t *vnm, u32 queue_index)
+{
+ vnet_interface_main_t *im = &vnm->interface_main;
+ if (pool_is_free_index (im->hw_if_rx_queues, queue_index))
+ return 0;
+ return pool_elt_at_index (im->hw_if_rx_queues, queue_index);
+}
+
+static_always_inline void
+vnet_hw_if_rx_queue_set_int_pending (vnet_main_t *vnm, u32 queue_index)
+{
+ vnet_hw_if_rx_queue_t *rxq = vnet_hw_if_get_rx_queue (vnm, queue_index);
+ vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, rxq->hw_if_index);
+ vlib_main_t *vm = vlib_mains[rxq->thread_index];
+
+ vnet_hw_if_rx_node_runtime_t *rt;
+ rt = vlib_node_get_runtime_data (vm, hi->input_node_index);
+ if (vm == vlib_get_main ())
+ clib_interrupt_set (rt->rxq_interrupts, queue_index);
+ else
+ clib_interrupt_set_atomic (rt->rxq_interrupts, queue_index);
+ vlib_node_set_interrupt_pending (vm, hi->input_node_index);
+}
+
+static_always_inline vnet_hw_if_rxq_poll_vector_t *
+vnet_hw_if_get_rxq_poll_vector (vlib_main_t *vm, vlib_node_runtime_t *node)
+{
+ vnet_hw_if_rx_node_runtime_t *rt = (void *) node->runtime_data;
+
+ if (PREDICT_FALSE (node->state == VLIB_NODE_STATE_INTERRUPT))
+ vnet_hw_if_generate_rxq_int_poll_vector (vm, node);
+
+ return rt->rxq_poll_vector;
+}
+
+static_always_inline u8
+vnet_hw_if_get_rx_queue_numa_node (vnet_main_t *vnm, u32 queue_index)
+{
+ vnet_hw_if_rx_queue_t *rxq = vnet_hw_if_get_rx_queue (vnm, queue_index);
+ vnet_hw_interface_t *hi = vnet_get_hw_interface (vnm, rxq->hw_if_index);
+ return hi->numa_node;
+}
+
+static_always_inline u32
+vnet_hw_if_get_rx_queue_thread_index (vnet_main_t *vnm, u32 queue_index)
+{
+ vnet_hw_if_rx_queue_t *rxq = vnet_hw_if_get_rx_queue (vnm, queue_index);
+ return rxq->thread_index;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
#include <vnet/l2/l2_output.h>
#include <vnet/l2/l2_input.h>
#include <vnet/classify/vnet_classify.h>
+#include <vnet/interface/rx_queue_funcs.h>
static int
compare_interface_names (void *a1, void *a2)
{
clib_error_t *error = 0;
vnet_hw_interface_t *hw;
+ u32 *queue_indices = 0;
int i;
hw = vnet_get_hw_interface (vnm, hw_if_index);
- if (queue_id_valid == 0)
+ /* to be deprecated */
+ if (vec_len (hw->rx_queue_indices) == 0)
{
- for (i = 0; i < vec_len (hw->dq_runtime_index_by_queue); i++)
+ if (queue_id_valid == 0)
{
- error = set_hw_interface_rx_mode (vnm, hw_if_index, i, mode);
- if (error)
- break;
+ for (i = 0; i < vec_len (hw->dq_runtime_index_by_queue); i++)
+ {
+ error = set_hw_interface_rx_mode (vnm, hw_if_index, i, mode);
+ if (error)
+ break;
+ }
+ hw->default_rx_mode = mode;
}
- hw->default_rx_mode = mode;
+ else
+ error = set_hw_interface_rx_mode (vnm, hw_if_index, queue_id, mode);
+
+ return (error);
+ }
+
+ if (queue_id_valid)
+ {
+ u32 queue_index;
+ queue_index =
+ vnet_hw_if_get_rx_queue_index_by_id (vnm, hw_if_index, queue_id);
+ if (queue_index == ~0)
+ return clib_error_return (0, "unknown queue %u on interface %s",
+ queue_id, hw->name);
+ vec_add1 (queue_indices, queue_index);
}
else
- error = set_hw_interface_rx_mode (vnm, hw_if_index, queue_id, mode);
+ queue_indices = hw->rx_queue_indices;
- return (error);
+ for (int i = 0; i < vec_len (queue_indices); i++)
+ {
+ int rv = vnet_hw_if_set_rx_queue_mode (vnm, queue_indices[i], mode);
+ if (rv)
+ goto done;
+ }
+
+done:
+ if (queue_indices != hw->rx_queue_indices)
+ vec_free (queue_indices);
+ vnet_hw_if_update_runtime_data (vnm, hw_if_index);
+ return error;
}
static clib_error_t *
{
vnet_main_t *vnm = vnet_get_main ();
vnet_device_main_t *vdm = &vnet_device_main;
- clib_error_t *error = 0;
- vnet_hw_if_rx_mode mode = VNET_HW_IF_RX_MODE_UNKNOWN;
+ vnet_hw_interface_t *hw;
+ u32 queue_index;
int rv;
if (is_main)
return clib_error_return (0,
"please specify valid worker thread or main");
- rv = vnet_hw_interface_get_rx_mode (vnm, hw_if_index, queue_id, &mode);
+ hw = vnet_get_hw_interface (vnm, hw_if_index);
+
+ /* to be deprecated */
+ if (vec_len (hw->rx_queue_indices) == 0)
+ {
+ clib_error_t *error = 0;
+ vnet_hw_if_rx_mode mode = VNET_HW_IF_RX_MODE_UNKNOWN;
+ rv = vnet_hw_interface_get_rx_mode (vnm, hw_if_index, queue_id, &mode);
- if (rv)
- return clib_error_return (0, "not found");
+ if (rv)
+ return clib_error_return (0, "not found");
- rv = vnet_hw_interface_unassign_rx_thread (vnm, hw_if_index, queue_id);
+ rv = vnet_hw_interface_unassign_rx_thread (vnm, hw_if_index, queue_id);
- if (rv)
- return clib_error_return (0, "not found");
+ if (rv)
+ return clib_error_return (0, "not found");
- vnet_hw_interface_assign_rx_thread (vnm, hw_if_index, queue_id,
- thread_index);
- vnet_hw_interface_set_rx_mode (vnm, hw_if_index, queue_id, mode);
+ vnet_hw_interface_assign_rx_thread (vnm, hw_if_index, queue_id,
+ thread_index);
+ vnet_hw_interface_set_rx_mode (vnm, hw_if_index, queue_id, mode);
- return (error);
+ return (error);
+ }
+
+ queue_index =
+ vnet_hw_if_get_rx_queue_index_by_id (vnm, hw_if_index, queue_id);
+ if (queue_index == ~0)
+ return clib_error_return (0, "unknown queue %u on interface %s", queue_id,
+ hw->name);
+ vnet_hw_if_set_rx_queue_thread_index (vnm, queue_index, thread_index);
+ vnet_hw_if_update_runtime_data (vnm, hw_if_index);
+ return 0;
}
static clib_error_t *
#include <vnet/l2/l2_input.h>
#include <vnet/l2/l2_output.h>
#include <vnet/l2/l2_vtr.h>
+#include <vnet/interface/rx_queue_funcs.h>
u8 *
format_vtr (u8 * s, va_list * args)
s = format (s, "\n%ULink speed: %U", format_white_space, indent + 2,
format_vnet_hw_interface_link_speed, hi->link_speed);
+ if (vec_len (hi->rx_queue_indices))
+ {
+ s = format (s, "\n%URX Queues:", format_white_space, indent + 2);
+ s = format (s, "\n%U%-6s%-15s%-10s", format_white_space, indent + 4,
+ "queue", "thread", "mode");
+ for (int i = 0; i < vec_len (hi->rx_queue_indices); i++)
+ {
+ vnet_hw_if_rx_queue_t *rxq;
+ rxq = vnet_hw_if_get_rx_queue (vnm, hi->rx_queue_indices[i]);
+ s = format (s, "\n%U%-6u%-15U%-10U", format_white_space, indent + 4,
+ rxq->queue_id, format_vlib_thread_name_and_index,
+ rxq->thread_index, format_vnet_hw_if_rx_mode, rxq->mode);
+ }
+ }
+
if (hi->rss_queues)
{
s = format (s, "\n%URSS queues: %U", format_white_space, indent + 2,
graph.c
hash.c
heap.c
+ interrupt.c
longjmp.S
macros.c
maplog.c
graph.h
hash.h
heap.h
+ interrupt.h
lb_hash_hash.h
llist.h
lock.h
--- /dev/null
+
+/*
+ * Copyright (c) 2020 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vppinfra/clib.h>
+#include <vppinfra/bitops.h> /* for count_set_bits */
+#include <vppinfra/vec.h>
+#include <vppinfra/interrupt.h>
+#include <vppinfra/format.h>
+
+__clib_export void
+clib_interrupt_init (void **data, uword n_int)
+{
+ clib_interrupt_header_t *h;
+ uword sz = sizeof (clib_interrupt_header_t);
+ uword data_size = round_pow2 (n_int, CLIB_CACHE_LINE_BYTES * 8) / 8;
+
+ sz += 2 * data_size;
+ h = data[0] = clib_mem_alloc_aligned (sz, CLIB_CACHE_LINE_BYTES);
+ clib_memset (data[0], 0, sz);
+ h->n_int = n_int;
+ h->n_uword_alloc = (data_size * 8) >> log2_uword_bits;
+}
+
+__clib_export void
+clib_interrupt_resize (void **data, uword n_int)
+{
+ clib_interrupt_header_t *h = data[0];
+
+ if (data[0] == 0)
+ {
+ clib_interrupt_init (data, n_int);
+ return;
+ }
+
+ if (n_int < h->n_int)
+ {
+ uword *old_bmp, *old_abp, v;
+ old_bmp = clib_interrupt_get_bitmap (data[0]);
+ old_abp = clib_interrupt_get_atomic_bitmap (data[0]);
+ for (uword i = 0; i < h->n_uword_alloc; i++)
+ {
+ v = old_abp[i];
+ old_abp[i] = 0;
+ if (n_int > ((i + 1) * uword_bits))
+ old_bmp[i] |= v;
+ else if (n_int > (i * uword_bits))
+ old_bmp[i] = (old_bmp[i] | v) & pow2_mask (n_int - i * uword_bits);
+ else
+ old_bmp[i] = 0;
+ }
+ }
+ else if (n_int > h->n_uword_alloc * uword_bits)
+ {
+ void *old = data[0];
+ uword *old_bmp, *old_abp, *new_bmp;
+ uword n_uwords = round_pow2 (h->n_int, uword_bits) / uword_bits;
+
+ clib_interrupt_init (data, n_int);
+ h = data[0];
+
+ new_bmp = clib_interrupt_get_bitmap (data[0]);
+ old_bmp = clib_interrupt_get_bitmap (old);
+ old_abp = clib_interrupt_get_atomic_bitmap (old);
+
+ for (uword i = 0; i < n_uwords; i++)
+ new_bmp[i] = old_bmp[i] | old_abp[i];
+
+ clib_mem_free (old);
+ }
+ h->n_int = n_int;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
--- /dev/null
+/*
+ * Copyright (c) 2020 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef included_clib_interrupt_h
+#define included_clib_interrupt_h
+
+#include <vppinfra/clib.h>
+#include <vppinfra/bitops.h> /* for count_set_bits */
+#include <vppinfra/vec.h>
+
+typedef struct
+{
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+ int n_int;
+ uword n_uword_alloc;
+} clib_interrupt_header_t;
+
+void clib_interrupt_init (void **data, uword n_interrupts);
+void clib_interrupt_resize (void **data, uword n_interrupts);
+
+static_always_inline void
+clib_interrupt_free (void **data)
+{
+ if (data[0])
+ {
+ clib_mem_free (data[0]);
+ data[0] = 0;
+ }
+}
+
+static_always_inline int
+clib_interrupt_get_n_int (void *d)
+{
+ clib_interrupt_header_t *h = d;
+ if (h)
+ return h->n_int;
+ return 0;
+}
+
+static_always_inline uword *
+clib_interrupt_get_bitmap (void *d)
+{
+ return d + sizeof (clib_interrupt_header_t);
+}
+
+static_always_inline uword *
+clib_interrupt_get_atomic_bitmap (void *d)
+{
+ clib_interrupt_header_t *h = d;
+ return clib_interrupt_get_bitmap (d) + h->n_uword_alloc;
+}
+
+static_always_inline void
+clib_interrupt_set (void *in, int int_num)
+{
+ uword *bmp = clib_interrupt_get_bitmap (in);
+ uword mask = 1ULL << (int_num & (uword_bits - 1));
+ bmp += int_num >> log2_uword_bits;
+
+ ASSERT (int_num < ((clib_interrupt_header_t *) in)->n_int);
+
+ *bmp |= mask;
+}
+
+static_always_inline void
+clib_interrupt_set_atomic (void *in, int int_num)
+{
+ uword *bmp = clib_interrupt_get_atomic_bitmap (in);
+ uword mask = 1ULL << (int_num & (uword_bits - 1));
+ bmp += int_num >> log2_uword_bits;
+
+ ASSERT (int_num < ((clib_interrupt_header_t *) in)->n_int);
+
+ __atomic_fetch_or (bmp, mask, __ATOMIC_RELAXED);
+}
+
+static_always_inline void
+clib_interrupt_clear (void *in, int int_num)
+{
+ uword *bmp = clib_interrupt_get_bitmap (in);
+ uword *abm = clib_interrupt_get_atomic_bitmap (in);
+ uword mask = 1ULL << (int_num & (uword_bits - 1));
+ uword off = int_num >> log2_uword_bits;
+
+ ASSERT (int_num < ((clib_interrupt_header_t *) in)->n_int);
+
+ bmp[off] |= __atomic_exchange_n (abm + off, 0, __ATOMIC_SEQ_CST);
+ bmp[off] &= ~mask;
+}
+
+static_always_inline int
+clib_interrupt_get_next (void *in, int last)
+{
+ uword *bmp = clib_interrupt_get_bitmap (in);
+ uword *abm = clib_interrupt_get_atomic_bitmap (in);
+ clib_interrupt_header_t *h = in;
+ uword bmp_uword, off;
+
+ ASSERT (last >= -1 && last < h->n_int);
+
+ off = (last + 1) >> log2_uword_bits;
+
+ last -= off << log2_uword_bits;
+ bmp[off] |= __atomic_exchange_n (abm + off, 0, __ATOMIC_SEQ_CST);
+ bmp_uword = bmp[off] & ~pow2_mask (last + 1);
+
+next:
+ if (bmp_uword)
+ return (off << log2_uword_bits) + count_trailing_zeros (bmp_uword);
+
+ off++;
+
+ if (off > h->n_int >> log2_uword_bits)
+ return -1;
+
+ bmp[off] |= __atomic_exchange_n (abm + off, 0, __ATOMIC_SEQ_CST);
+ bmp_uword = bmp[off];
+
+ goto next;
+}
+
+#endif /* included_clib_interrupt_h */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / commitdiff