u32 hw_if_index;
u16 ring;
u16 len;
- struct virtio_net_hdr_v1 hdr;
+ virtio_net_hdr_v1_t hdr;
} virtio_input_trace_t;
static u8 *
while (n_slots)
{
- struct vring_desc *d = &vring->desc[next];;
+ vring_desc_t *d = &vring->desc[next];;
vlib_buffer_t *b = vlib_get_buffer (vm, vring->buffers[next]);
/*
* current_data may not be initialized with 0 and may contain
vring->desc_next = next;
vring->desc_in_use = used;
- if ((vring->used->flags & VIRTIO_RING_FLAG_MASK_INT) == 0)
+ if ((vring->used->flags & VRING_USED_F_NO_NOTIFY) == 0)
{
virtio_kick (vm, vring, vif);
}
}
static_always_inline void
-virtio_needs_csum (vlib_buffer_t * b0, struct virtio_net_hdr_v1 *hdr,
+virtio_needs_csum (vlib_buffer_t * b0, virtio_net_hdr_v1_t * hdr,
u8 * l4_proto, u8 * l4_hdr_sz, virtio_if_type_t type)
{
if (hdr->flags & VIRTIO_NET_HDR_F_NEEDS_CSUM)
}
static_always_inline void
-fill_gso_buffer_flags (vlib_buffer_t * b0, struct virtio_net_hdr_v1 *hdr,
+fill_gso_buffer_flags (vlib_buffer_t * b0, virtio_net_hdr_v1_t * hdr,
u8 l4_proto, u8 l4_hdr_sz)
{
if (hdr->gso_type == VIRTIO_NET_HDR_GSO_TCPV4)
static_always_inline uword
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,
+ virtio_vring_t * vring, 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;
uword n_trace = vlib_get_trace_count (vm, node);
- virtio_vring_t *vring = vec_elt_at_index (vif->rxq_vrings, qid);
- u16 txq_id = thread_index % vif->num_txqs;
- virtio_vring_t *txq_vring = vec_elt_at_index (vif->txq_vrings, txq_id);
- u32 next_index = VNET_DEVICE_INPUT_NEXT_ETHERNET_INPUT;
+ u32 next_index;
const int hdr_sz = vif->virtio_net_hdr_sz;
u32 *to_next = 0;
u32 n_rx_packets = 0;
u16 mask = vring->size - 1;
u16 last = vring->last_used_idx;
u16 n_left = vring->used->idx - last;
-
- if (vif->packet_coalesce)
- {
- vnet_gro_flow_table_schedule_node_on_dispatcher (vm,
- txq_vring->flow_table);
- }
-
- if ((vring->used->flags & VIRTIO_RING_FLAG_MASK_INT) == 0 &&
- vring->last_kick_avail_idx != vring->avail->idx)
- virtio_kick (vm, vring, vif);
+ vlib_buffer_t bt;
if (n_left == 0)
- goto refill;
+ return 0;
if (type == VIRTIO_IF_TYPE_TUN)
- next_index = VNET_DEVICE_INPUT_NEXT_IP4_INPUT;
+ {
+ next_index = VNET_DEVICE_INPUT_NEXT_IP4_INPUT;
+ }
+ else
+ {
+ next_index = VNET_DEVICE_INPUT_NEXT_ETHERNET_INPUT;
+ if (PREDICT_FALSE (vif->per_interface_next_index != ~0))
+ next_index = vif->per_interface_next_index;
+
+ /* only for l2, redirect if feature path enabled */
+ vnet_feature_start_device_input_x1 (vif->sw_if_index, &next_index, &bt);
+ }
while (n_left)
{
{
u8 l4_proto = 0, l4_hdr_sz = 0;
u16 num_buffers = 1;
- struct vring_used_elem *e = &vring->used->ring[last & mask];
- struct virtio_net_hdr_v1 *hdr;
+ vring_used_elem_t *e = &vring->used->ring[last & mask];
+ virtio_net_hdr_v1_t *hdr;
u16 slot = e->id;
u16 len = e->len - hdr_sz;
u32 bi0 = vring->buffers[slot];
vlib_buffer_t *b0 = vlib_get_buffer (vm, bi0);
hdr = vlib_buffer_get_current (b0);
- if (hdr_sz == sizeof (struct virtio_net_hdr_v1))
+ if (hdr_sz == sizeof (virtio_net_hdr_v1_t))
num_buffers = hdr->num_buffers;
b0->flags = VLIB_BUFFER_TOTAL_LENGTH_VALID;
next0 = VNET_DEVICE_INPUT_NEXT_DROP;
break;
}
- }
- if (PREDICT_FALSE (vif->per_interface_next_index != ~0))
- next0 = vif->per_interface_next_index;
-
- if (type != VIRTIO_IF_TYPE_TUN)
+ if (PREDICT_FALSE (vif->per_interface_next_index != ~0))
+ next0 = vif->per_interface_next_index;
+ }
+ else
{
- /* only for l2, redirect if feature path enabled */
- vnet_feature_start_device_input_x1 (vif->sw_if_index, &next0,
- b0);
+ /* copy feature arc data from template */
+ b0->current_config_index = bt.current_config_index;
+ vnet_buffer (b0)->feature_arc_index =
+ vnet_buffer (&bt)->feature_arc_index;
}
/* trace */
VLIB_BUFFER_TRACE_TRAJECTORY_INIT (b0);
- if (PREDICT_FALSE (n_trace > 0))
+ if (PREDICT_FALSE (n_trace > 0 && vlib_trace_buffer (vm, node, next0, b0, /* follow_chain */
+ 1)))
{
virtio_input_trace_t *tr;
- vlib_trace_buffer (vm, node, next0, b0,
- /* follow_chain */ 1);
vlib_set_trace_count (vm, node, --n_trace);
tr = vlib_add_trace (vm, node, b0, sizeof (*tr));
tr->next_index = next0;
n_left--;
last++;
- /* enqueue */
- vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
- n_left_to_next, bi0, next0);
+ /* only tun interfaces may have different next index */
+ if (type == VIRTIO_IF_TYPE_TUN)
+ vlib_validate_buffer_enqueue_x1 (vm, node, next_index, to_next,
+ n_left_to_next, bi0, next0);
/* next packet */
n_rx_packets++;
vif->sw_if_index, n_rx_packets,
n_rx_bytes);
-refill:
- virtio_refill_vring (vm, vif, type, vring, hdr_sz, node->node_index);
-
return n_rx_packets;
}
vlib_frame_t * frame, virtio_if_t * vif, u16 qid,
virtio_if_type_t type)
{
+ virtio_vring_t *vring = vec_elt_at_index (vif->rxq_vrings, qid);
+ const int hdr_sz = vif->virtio_net_hdr_sz;
+ u16 txq_id = vm->thread_index % vif->num_txqs;
+ virtio_vring_t *txq_vring = vec_elt_at_index (vif->txq_vrings, txq_id);
+ uword rv;
+
+ if (clib_spinlock_trylock_if_init (&txq_vring->lockp))
+ {
+ if (vif->packet_coalesce)
+ vnet_gro_flow_table_schedule_node_on_dispatcher
+ (vm, txq_vring->flow_table);
+ else if (vif->packet_buffering)
+ virtio_vring_buffering_schedule_node_on_dispatcher
+ (vm, txq_vring->buffering);
+ clib_spinlock_unlock_if_init (&txq_vring->lockp);
+ }
+
+ if ((vring->used->flags & VRING_USED_F_NO_NOTIFY) == 0 &&
+ vring->last_kick_avail_idx != vring->avail->idx)
+ virtio_kick (vm, vring, vif);
if (vif->gso_enabled)
- return virtio_device_input_gso_inline (vm, node, frame, vif,
- qid, type, 1, 1);
+ rv = virtio_device_input_gso_inline (vm, node, frame, vif, vring, type,
+ 1, 1);
else if (vif->csum_offload_enabled)
- return virtio_device_input_gso_inline (vm, node, frame, vif,
- qid, type, 0, 1);
+ rv = virtio_device_input_gso_inline (vm, node, frame, vif, vring, type,
+ 0, 1);
else
- return virtio_device_input_gso_inline (vm, node, frame, vif,
- qid, type, 0, 0);
- return 0;
+ rv = virtio_device_input_gso_inline (vm, node, frame, vif, vring, type,
+ 0, 0);
+
+ virtio_refill_vring (vm, vif, type, vring, hdr_sz, node->node_index);
+ return rv;
}
VLIB_NODE_FN (virtio_input_node) (vlib_main_t * vm,
Code Review / vpp.git / blobdiff