#include <vlib/vlib.h>
#include <vlib/unix/unix.h>
-#include <vnet/ip/ip.h>
-
#include <vnet/ethernet/ethernet.h>
#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/virtio.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
t->qid = qid;
hdr_desc = &txvq->desc[desc_current];
- if (txvq->desc[desc_current].flags & VIRTQ_DESC_F_INDIRECT)
+ if (txvq->desc[desc_current].flags & VRING_DESC_F_INDIRECT)
{
t->virtio_ring_flags |= 1 << VIRTIO_TRACE_F_INDIRECT;
/* Header is the first here */
hdr_desc = map_guest_mem (vui, txvq->desc[desc_current].addr, &hint);
}
- if (txvq->desc[desc_current].flags & VIRTQ_DESC_F_NEXT)
+ if (txvq->desc[desc_current].flags & VRING_DESC_F_NEXT)
{
t->virtio_ring_flags |= 1 << VIRTIO_TRACE_F_SIMPLE_CHAINED;
}
- if (!(txvq->desc[desc_current].flags & VIRTQ_DESC_F_NEXT) &&
- !(txvq->desc[desc_current].flags & VIRTQ_DESC_F_INDIRECT))
+ if (!(txvq->desc[desc_current].flags & VRING_DESC_F_NEXT) &&
+ !(txvq->desc[desc_current].flags & VRING_DESC_F_INDIRECT))
{
t->virtio_ring_flags |= 1 << VIRTIO_TRACE_F_SINGLE_DESC;
}
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);
- tcp->checksum = 0;
- b0->flags |= VNET_BUFFER_F_OFFLOAD_TCP_CKSUM;
+ oflags |= VNET_BUFFER_OFFLOAD_F_TCP_CKSUM;
}
else if (l4_proto == IP_PROTOCOL_UDP)
{
- udp_header_t *udp =
- (udp_header_t *) (b0_data + vnet_buffer (b0)->l4_hdr_offset);
- l4_hdr_sz = sizeof (*udp);
- udp->checksum = 0;
- b0->flags |= VNET_BUFFER_F_OFFLOAD_UDP_CKSUM;
+ l4_hdr_sz = sizeof (udp_header_t);
+ 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_interface_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_INTERFACE_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);
/* This depends on the setup but is very consistent
* So I think the CPU branch predictor will make a pretty good job
* at optimizing the decision. */
- if (txvq->desc[desc_current].flags & VIRTQ_DESC_F_INDIRECT)
+ if (txvq->desc[desc_current].flags & VRING_DESC_F_INDIRECT)
{
desc_table = map_guest_mem (vui, txvq->desc[desc_current].addr,
&map_hint);
if (hdr->hdr.flags & VIRTIO_NET_HDR_F_NEEDS_CSUM)
{
if ((desc_data_offset == desc_table[desc_current].len) &&
- (desc_table[desc_current].flags & VIRTQ_DESC_F_NEXT))
+ (desc_table[desc_current].flags & VRING_DESC_F_NEXT))
{
current = desc_table[desc_current].next;
b_data = map_guest_mem (vui, desc_table[current].addr,
if (desc_data_offset == desc_table[desc_current].len)
{
if (PREDICT_FALSE (desc_table[desc_current].flags &
- VIRTQ_DESC_F_NEXT))
+ VRING_DESC_F_NEXT))
{
desc_current = desc_table[desc_current].next;
desc_data_offset = 0;
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 */
{
if (txvq->used_wrap_counter)
desc_table[(desc_head + desc_idx) & mask].flags |=
- (VIRTQ_DESC_F_AVAIL | VIRTQ_DESC_F_USED);
+ (VRING_DESC_F_AVAIL | VRING_DESC_F_USED);
else
desc_table[(desc_head + desc_idx) & mask].flags &=
- ~(VIRTQ_DESC_F_AVAIL | VIRTQ_DESC_F_USED);
+ ~(VRING_DESC_F_AVAIL | VRING_DESC_F_USED);
vhost_user_advance_last_used_idx (txvq);
}
}
t->qid = qid;
hdr_desc = &txvq->packed_desc[desc_current];
- if (txvq->packed_desc[desc_current].flags & VIRTQ_DESC_F_INDIRECT)
+ if (txvq->packed_desc[desc_current].flags & VRING_DESC_F_INDIRECT)
{
t->virtio_ring_flags |= 1 << VIRTIO_TRACE_F_INDIRECT;
/* Header is the first here */
hdr_desc = map_guest_mem (vui, txvq->packed_desc[desc_current].addr,
&hint);
}
- if (txvq->packed_desc[desc_current].flags & VIRTQ_DESC_F_NEXT)
+ if (txvq->packed_desc[desc_current].flags & VRING_DESC_F_NEXT)
t->virtio_ring_flags |= 1 << VIRTIO_TRACE_F_SIMPLE_CHAINED;
- if (!(txvq->packed_desc[desc_current].flags & VIRTQ_DESC_F_NEXT) &&
- !(txvq->packed_desc[desc_current].flags & VIRTQ_DESC_F_INDIRECT))
+ if (!(txvq->packed_desc[desc_current].flags & VRING_DESC_F_NEXT) &&
+ !(txvq->packed_desc[desc_current].flags & VRING_DESC_F_INDIRECT))
t->virtio_ring_flags |= 1 << VIRTIO_TRACE_F_SINGLE_DESC;
t->first_desc_len = hdr_desc ? hdr_desc->len : 0;
u32 desc_len = 0;
u16 mask = txvq->qsz_mask;
- while (desc_table[*current].flags & VIRTQ_DESC_F_NEXT)
+ while (desc_table[*current].flags & VRING_DESC_F_NEXT)
{
desc_len += desc_table[*current].len;
(*n_left)++;
}
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_interface_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_INTERFACE_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) ||
while (vhost_user_packed_desc_available (txvq, current) &&
(n_left < VLIB_FRAME_SIZE))
{
- if (desc_table[current].flags & VIRTQ_DESC_F_INDIRECT)
+ if (desc_table[current].flags & VRING_DESC_F_INDIRECT)
{
buffers_required +=
vhost_user_compute_indirect_desc_len (vui, txvq, buffer_data_size,
desc_data_offset = vui->virtio_net_hdr_sz;
n_descs_to_process = 1;
- if (desc_table[desc_idx].flags & VIRTQ_DESC_F_INDIRECT)
+ if (desc_table[desc_idx].flags & VRING_DESC_F_INDIRECT)
{
n_descs = desc_table[desc_idx].len >> 4;
desc_table = map_guest_mem (vui, desc_table[desc_idx].addr,
* loop. So count how many descriptors in the chain.
*/
n_descs_to_process = 1;
- while (desc_table[desc_idx].flags & VIRTQ_DESC_F_NEXT)
+ while (desc_table[desc_idx].flags & VRING_DESC_F_NEXT)
{
vhost_user_assemble_packet (desc_table, &desc_idx, b_head,
&b_current, &next, &b, &bi_current,
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 & (1ULL << FEAT_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 & (1ULL << FEAT_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