#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>
+#include <vnet/ip/ip4_packet.h>
+#include <vnet/ip/ip6_packet.h>
+
/*
* When an RX queue is down but active, received packets
* must be discarded. This value controls up to how many
(!(src3 = map_guest_mem (vui, cpy[3].src, map_hint))))
return 1;
- CLIB_PREFETCH (src2, 64, LOAD);
- CLIB_PREFETCH (src3, 64, LOAD);
+ clib_prefetch_load (src2);
+ clib_prefetch_load (src3);
clib_memcpy_fast ((void *) cpy[0].dst, src0, cpy[0].len);
clib_memcpy_fast ((void *) cpy[1].dst, src1, cpy[1].len);
ethernet_header_t *eh = (ethernet_header_t *) b0_data;
u16 ethertype = clib_net_to_host_u16 (eh->type);
u16 l2hdr_sz = sizeof (ethernet_header_t);
+ vnet_buffer_oflags_t oflags = 0;
if (ethernet_frame_is_tagged (ethertype))
{
{
ip4_header_t *ip4 = (ip4_header_t *) (b0_data + l2hdr_sz);
l4_proto = ip4->protocol;
- b0->flags |= VNET_BUFFER_F_IS_IP4 | VNET_BUFFER_F_OFFLOAD_IP_CKSUM;
+ b0->flags |= VNET_BUFFER_F_IS_IP4;
+ oflags |= VNET_BUFFER_OFFLOAD_F_IP_CKSUM;
}
else if (PREDICT_TRUE (ethertype == ETHERNET_TYPE_IP6))
{
tcp_header_t *tcp = (tcp_header_t *)
(b0_data + vnet_buffer (b0)->l4_hdr_offset);
l4_hdr_sz = tcp_header_bytes (tcp);
- b0->flags |= VNET_BUFFER_F_OFFLOAD_TCP_CKSUM;
+ oflags |= VNET_BUFFER_OFFLOAD_F_TCP_CKSUM;
}
else if (l4_proto == IP_PROTOCOL_UDP)
{
l4_hdr_sz = sizeof (udp_header_t);
- b0->flags |= VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
+ oflags |= VNET_BUFFER_OFFLOAD_F_UDP_CKSUM;
}
if (hdr->gso_type == VIRTIO_NET_HDR_GSO_UDP)
vnet_buffer2 (b0)->gso_l4_hdr_sz = l4_hdr_sz;
b0->flags |= (VNET_BUFFER_F_GSO | VNET_BUFFER_F_IS_IP6);
}
+
+ if (oflags)
+ vnet_buffer_offload_flags_set (b0, oflags);
}
static_always_inline void
-vhost_user_input_do_interrupt (vlib_main_t * vm, vhost_user_vring_t * txvq,
+vhost_user_input_do_interrupt (vlib_main_t * vm, vhost_user_intf_t * vui,
+ vhost_user_vring_t * txvq,
vhost_user_vring_t * rxvq)
{
f64 now = vlib_time_now (vm);
if ((txvq->n_since_last_int) && (txvq->int_deadline < now))
- vhost_user_send_call (vm, txvq);
+ vhost_user_send_call (vm, vui, txvq);
if ((rxvq->n_since_last_int) && (rxvq->int_deadline < now))
- vhost_user_send_call (vm, rxvq);
+ vhost_user_send_call (vm, vui, rxvq);
}
static_always_inline void
}
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;
{
/* do we have pending interrupts ? */
vhost_user_vring_t *rxvq = &vui->vrings[VHOST_VRING_IDX_RX (qid)];
- vhost_user_input_do_interrupt (vm, txvq, rxvq);
+ vhost_user_input_do_interrupt (vm, vui, txvq, rxvq);
}
/*
* 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) ||
b_head->total_length_not_including_first_buffer = 0;
b_head->flags |= VLIB_BUFFER_TOTAL_LENGTH_VALID;
- if (PREDICT_FALSE (n_trace))
+ if (PREDICT_FALSE
+ (n_trace > 0 && vlib_trace_buffer (vm, node, next_index, b_head,
+ /* follow_chain */ 0)))
{
- vlib_trace_buffer (vm, node, next_index, b_head,
- /* follow_chain */ 0);
vhost_trace_t *t0 =
vlib_add_trace (vm, node, b_head, sizeof (t0[0]));
vhost_user_rx_trace (t0, vui, qid, b_head, txvq, last_avail_idx);
last_avail_idx++;
last_used_idx++;
- VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b_head);
-
vnet_buffer (b_head)->sw_if_index[VLIB_RX] = vui->sw_if_index;
vnet_buffer (b_head)->sw_if_index[VLIB_TX] = (u32) ~ 0;
b_head->error = 0;
txvq->n_since_last_int += n_rx_packets;
if (txvq->n_since_last_int > vum->coalesce_frames)
- vhost_user_send_call (vm, txvq);
+ vhost_user_send_call (vm, vui, txvq);
}
/* increase rx counters */
bad = (src4 == 0) + (src5 == 0) + (src6 == 0) + (src7 == 0);
if (PREDICT_FALSE (bad))
goto one_by_one;
- CLIB_PREFETCH (src4, 64, LOAD);
- CLIB_PREFETCH (src5, 64, LOAD);
- CLIB_PREFETCH (src6, 64, LOAD);
- CLIB_PREFETCH (src7, 64, LOAD);
+ clib_prefetch_load (src4);
+ clib_prefetch_load (src5);
+ clib_prefetch_load (src6);
+ clib_prefetch_load (src7);
while (PREDICT_TRUE (copy_len >= 8))
{
if (PREDICT_FALSE (bad))
break;
- CLIB_PREFETCH (src4, 64, LOAD);
- CLIB_PREFETCH (src5, 64, LOAD);
- CLIB_PREFETCH (src6, 64, LOAD);
- CLIB_PREFETCH (src7, 64, LOAD);
+ clib_prefetch_load (src4);
+ clib_prefetch_load (src5);
+ clib_prefetch_load (src6);
+ clib_prefetch_load (src7);
clib_memcpy_fast ((void *) cpy[0].dst, src0, cpy[0].len);
clib_memcpy_fast ((void *) cpy[1].dst, src1, cpy[1].len);
}
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;
/* do we have pending interrupts ? */
vhost_user_vring_t *rxvq = &vui->vrings[VHOST_VRING_IDX_RX (qid)];
- vhost_user_input_do_interrupt (vm, txvq, rxvq);
+ vhost_user_input_do_interrupt (vm, vui, txvq, rxvq);
/*
* For adaptive mode, it is optimized to reduce interrupts.
* 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) ||
b_head->total_length_not_including_first_buffer -=
b_head->current_length;
- VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b_head);
-
vnet_buffer (b_head)->sw_if_index[VLIB_RX] = vui->sw_if_index;
vnet_buffer (b_head)->sw_if_index[VLIB_TX] = ~0;
b_head->error = 0;
b = cpu->rx_buffers_pdesc;
while (n_trace && left)
{
- vhost_trace_t *t0;
-
- vlib_trace_buffer (vm, node, next_index, b[0],
- /* follow_chain */ 0);
- t0 = vlib_add_trace (vm, node, b[0], sizeof (t0[0]));
- b++;
- vhost_user_rx_trace_packed (t0, vui, qid, txvq, last_used_idx);
- last_used_idx = (last_used_idx + 1) & mask;
- n_trace--;
+ if (PREDICT_TRUE
+ (vlib_trace_buffer
+ (vm, node, next_index, b[0], /* follow_chain */ 0)))
+ {
+ vhost_trace_t *t0;
+ t0 = vlib_add_trace (vm, node, b[0], sizeof (t0[0]));
+ vhost_user_rx_trace_packed (t0, vui, qid, txvq, last_used_idx);
+ last_used_idx = (last_used_idx + 1) & mask;
+ n_trace--;
+ vlib_set_trace_count (vm, node, n_trace);
+ }
left--;
- vlib_set_trace_count (vm, node, n_trace);
+ b++;
}
}
{
txvq->n_since_last_int += n_rx_packets;
if (txvq->n_since_last_int > vum->coalesce_frames)
- vhost_user_send_call (vm, txvq);
+ vhost_user_send_call (vm, vui, txvq);
}
/* increase rx counters */
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;
}
Code Review / vpp.git / blobdiff