static_always_inline void
virtio_refill_vring (vlib_main_t * vm, virtio_if_t * vif,
- virtio_vring_t * vring, const int hdr_sz)
+ virtio_if_type_t type, virtio_vring_t * vring,
+ const int hdr_sz)
{
u16 used, next, avail, n_slots;
u16 sz = vring->size;
* previous offset. Here we want to make sure, it should be 0
* initialized.
*/
- b->current_data = 0;
- b->current_data -= hdr_sz;
+ b->current_data = -hdr_sz;
memset (vlib_buffer_get_current (b), 0, hdr_sz);
d->addr =
- ((vif->type == VIRTIO_IF_TYPE_PCI) ? vlib_buffer_get_current_pa (vm,
- b) :
+ ((type == VIRTIO_IF_TYPE_PCI) ? vlib_buffer_get_current_pa (vm,
+ b) :
pointer_to_uword (vlib_buffer_get_current (b)));
d->len = vlib_buffer_get_default_data_size (vm) + hdr_sz;
d->flags = VRING_DESC_F_WRITE;
u8 * l4_proto, u8 * l4_hdr_sz, virtio_if_type_t type)
{
if (hdr->flags & VIRTIO_NET_HDR_F_NEEDS_CSUM)
-
{
u16 ethertype = 0, l2hdr_sz = 0;
- if (type != VIRTIO_IF_TYPE_TUN)
+
+ if (type == VIRTIO_IF_TYPE_TUN)
+ {
+ switch (b0->data[0] & 0xf0)
+ {
+ case 0x40:
+ ethertype = ETHERNET_TYPE_IP4;
+ break;
+ case 0x60:
+ ethertype = ETHERNET_TYPE_IP6;
+ break;
+ }
+ }
+ else
{
ethernet_header_t *eh =
(ethernet_header_t *) vlib_buffer_get_current (b0);
}
}
}
- else
- {
- switch (b0->data[0] & 0xf0)
- {
- case 0x40:
- ethertype = ETHERNET_TYPE_IP4;
- break;
- case 0x60:
- ethertype = ETHERNET_TYPE_IP6;
- break;
- }
- }
vnet_buffer (b0)->l2_hdr_offset = 0;
vnet_buffer (b0)->l3_hdr_offset = l2hdr_sz;
+
if (PREDICT_TRUE (ethertype == ETHERNET_TYPE_IP4))
{
ip4_header_t *ip4 =
}
static_always_inline uword
-virtio_device_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
- vlib_frame_t * frame, virtio_if_t * vif, u16 qid,
- int gso_enabled, int checksum_offload_enabled)
+virtio_device_input_gso_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame, virtio_if_t * vif,
+ u16 qid, virtio_if_type_t type,
+ int gso_enabled, int checksum_offload_enabled)
{
vnet_main_t *vnm = vnet_get_main ();
u32 thread_index = vm->thread_index;
if (n_left == 0)
goto refill;
+ if (type == VIRTIO_IF_TYPE_TUN)
+ next_index = VNET_DEVICE_INPUT_NEXT_IP4_INPUT;
+
while (n_left)
{
u32 n_left_to_next;
u32 next0 = next_index;
+
vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
while (n_left && n_left_to_next)
if (hdr_sz == sizeof (struct virtio_net_hdr_v1))
num_buffers = hdr->num_buffers;
- b0->current_data += hdr_sz;
+ b0->current_data = 0;
b0->current_length = len;
- b0->total_length_not_including_first_buffer = 0;
- b0->flags = VLIB_BUFFER_TOTAL_LENGTH_VALID;
if (checksum_offload_enabled)
- virtio_needs_csum (b0, hdr, &l4_proto, &l4_hdr_sz, vif->type);
+ virtio_needs_csum (b0, hdr, &l4_proto, &l4_hdr_sz, type);
if (gso_enabled)
fill_gso_buffer_flags (b0, hdr, l4_proto, l4_hdr_sz);
{
vlib_buffer_t *pb, *cb;
pb = b0;
+ b0->total_length_not_including_first_buffer = 0;
+ b0->flags = VLIB_BUFFER_TOTAL_LENGTH_VALID;
while (num_buffers > 1)
{
last++;
num_buffers--;
n_left--;
}
+ len += b0->total_length_not_including_first_buffer;
}
- if (PREDICT_FALSE (vif->type == VIRTIO_IF_TYPE_TUN))
+
+ if (type == VIRTIO_IF_TYPE_TUN)
{
switch (b0->data[0] & 0xf0)
{
}
}
-
if (PREDICT_FALSE (vif->per_interface_next_index != ~0))
next0 = vif->per_interface_next_index;
- /* redirect if feature path enabled */
- vnet_feature_start_device_input_x1 (vif->sw_if_index, &next0, b0);
+ if (type != VIRTIO_IF_TYPE_TUN)
+ {
+ /* only for l2, redirect if feature path enabled */
+ vnet_feature_start_device_input_x1 (vif->sw_if_index, &next0,
+ b0);
+ }
/* trace */
VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
tr = vlib_add_trace (vm, node, b0, sizeof (*tr));
tr->next_index = next0;
tr->hw_if_index = vif->hw_if_index;
- tr->len = len + b0->total_length_not_including_first_buffer;
+ tr->len = len;
clib_memcpy_fast (&tr->hdr, hdr, hdr_sz);
}
/* next packet */
n_rx_packets++;
- n_rx_bytes += (len + b0->total_length_not_including_first_buffer);
+ n_rx_bytes += len;
}
vlib_put_next_frame (vm, node, next_index, n_left_to_next);
}
n_rx_bytes);
refill:
- virtio_refill_vring (vm, vif, vring, hdr_sz);
+ virtio_refill_vring (vm, vif, type, vring, hdr_sz);
return n_rx_packets;
}
+static_always_inline uword
+virtio_device_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame, virtio_if_t * vif, u16 qid,
+ virtio_if_type_t type)
+{
+
+ if (vif->gso_enabled)
+ return virtio_device_input_gso_inline (vm, node, frame, vif,
+ qid, type, 1, 1);
+ else if (vif->csum_offload_enabled)
+ return virtio_device_input_gso_inline (vm, node, frame, vif,
+ qid, type, 0, 1);
+ else
+ return virtio_device_input_gso_inline (vm, node, frame, vif,
+ qid, type, 0, 0);
+ return 0;
+}
+
VLIB_NODE_FN (virtio_input_node) (vlib_main_t * vm,
vlib_node_runtime_t * node,
vlib_frame_t * frame)
vif = vec_elt_at_index (nm->interfaces, dq->dev_instance);
if (vif->flags & VIRTIO_IF_FLAG_ADMIN_UP)
{
- if (vif->gso_enabled)
+ if (vif->type == VIRTIO_IF_TYPE_TAP)
n_rx += virtio_device_input_inline (vm, node, frame, vif,
- dq->queue_id, 1, 1);
- else if (vif->csum_offload_enabled)
+ 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, 0, 1);
- else
+ 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, 0, 0);
+ dq->queue_id,
+ VIRTIO_IF_TYPE_TUN);
}
}
Code Review / vpp.git / blobdiff