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authorMohsin Kazmi <sykazmi@cisco.com>2021-05-04 16:36:09 +0200
committerBeno�t Ganne <bganne@cisco.com>2021-05-04 17:42:23 +0000
commita02ad34f8b21828f70508b22de45221b573825c2 (patch)
tree1d56e4a716256165566eaacf942a4c4f91ade348 /src/vnet/devices/virtio/device.c
parent6799f9b45379a8188bf418c61fe0e0aed5c14f01 (diff)
virtio: add simple drop counter for interface
Type: improvement Change-Id: I4ac6b1a6553e26a5c26b6761fa3c4cc5d4925486 Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
Diffstat (limited to 'src/vnet/devices/virtio/device.c')
-rw-r--r--src/vnet/devices/virtio/device.c63
1 files changed, 33 insertions, 30 deletions
diff --git a/src/vnet/devices/virtio/device.c b/src/vnet/devices/virtio/device.c
index 1c5b82500c5..237e3d91f1a 100644
--- a/src/vnet/devices/virtio/device.c
+++ b/src/vnet/devices/virtio/device.c
@@ -136,10 +136,14 @@ virtio_tx_trace (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_buffer_t *b0,
}
static void
-virtio_interface_drop_inline (vlib_main_t *vm, uword node_index, u32 *buffers,
- u16 n, virtio_tx_func_error_t error)
+virtio_interface_drop_inline (vlib_main_t *vm, virtio_if_t *vif,
+ uword node_index, u32 *buffers, u16 n,
+ virtio_tx_func_error_t error)
{
vlib_error_count (vm, node_index, error, n);
+ vlib_increment_simple_counter (vnet_main.interface_main.sw_if_counters +
+ VNET_INTERFACE_COUNTER_DROP,
+ vm->thread_index, vif->sw_if_index, n);
vlib_buffer_free (vm, buffers, n);
}
@@ -369,10 +373,10 @@ set_gso_offsets (vlib_buffer_t *b, virtio_net_hdr_v1_t *hdr, const int is_l2)
static u16
add_buffer_to_slot (vlib_main_t *vm, vlib_node_runtime_t *node,
- virtio_vring_t *vring, u32 bi, u16 free_desc_count,
- u16 avail, u16 next, u16 mask, int hdr_sz, int do_gso,
- int csum_offload, int is_pci, int is_tun, int is_indirect,
- int is_any_layout)
+ virtio_if_t *vif, virtio_vring_t *vring, u32 bi,
+ u16 free_desc_count, u16 avail, u16 next, u16 mask,
+ int hdr_sz, int do_gso, int csum_offload, int is_pci,
+ int is_tun, int is_indirect, int is_any_layout)
{
u16 n_added = 0;
vring_desc_t *d;
@@ -554,16 +558,18 @@ add_buffer_to_slot (vlib_main_t *vm, vlib_node_runtime_t *node,
done:
if (drop_inline != ~0)
- virtio_interface_drop_inline (vm, node->node_index, &bi, 1, drop_inline);
+ virtio_interface_drop_inline (vm, vif, node->node_index, &bi, 1,
+ drop_inline);
return n_added;
}
static u16
add_buffer_to_slot_packed (vlib_main_t *vm, vlib_node_runtime_t *node,
- virtio_vring_t *vring, u32 bi, u16 next, int hdr_sz,
- int do_gso, int csum_offload, int is_pci,
- int is_tun, int is_indirect, int is_any_layout)
+ virtio_if_t *vif, virtio_vring_t *vring, u32 bi,
+ u16 next, int hdr_sz, int do_gso, int csum_offload,
+ int is_pci, int is_tun, int is_indirect,
+ int is_any_layout)
{
u16 n_added = 0, flags = 0;
int is_l2 = !is_tun;
@@ -693,7 +699,8 @@ add_buffer_to_slot_packed (vlib_main_t *vm, vlib_node_runtime_t *node,
done:
if (drop_inline != ~0)
- virtio_interface_drop_inline (vm, node->node_index, &bi, 1, drop_inline);
+ virtio_interface_drop_inline (vm, vif, node->node_index, &bi, 1,
+ drop_inline);
return n_added;
}
@@ -732,11 +739,9 @@ virtio_interface_tx_packed_gso_inline (vlib_main_t *vm,
u32 bi = virtio_vring_buffering_read_from_front (vring->buffering);
if (bi == ~0)
break;
- n_added = add_buffer_to_slot_packed (vm, node,
- vring, bi, next,
- hdr_sz, do_gso, csum_offload,
- is_pci, is_tun, is_indirect,
- is_any_layout);
+ n_added = add_buffer_to_slot_packed (
+ vm, node, vif, vring, bi, next, hdr_sz, do_gso, csum_offload,
+ is_pci, is_tun, is_indirect, is_any_layout);
n_buffers_left--;
if (PREDICT_FALSE (n_added == 0))
continue;
@@ -755,11 +760,9 @@ virtio_interface_tx_packed_gso_inline (vlib_main_t *vm,
{
u16 n_added = 0;
- n_added = add_buffer_to_slot_packed (vm, node,
- vring, buffers[0], next,
- hdr_sz, do_gso, csum_offload,
- is_pci, is_tun, is_indirect,
- is_any_layout);
+ n_added = add_buffer_to_slot_packed (
+ vm, node, vif, vring, buffers[0], next, hdr_sz, do_gso, csum_offload,
+ is_pci, is_tun, is_indirect, is_any_layout);
buffers++;
n_left--;
if (PREDICT_FALSE (n_added == 0))
@@ -873,10 +876,10 @@ virtio_interface_tx_split_gso_inline (vlib_main_t *vm,
if (bi == ~0)
break;
- n_added = add_buffer_to_slot (vm, node, vring, bi, free_desc_count,
- avail, next, mask, hdr_sz, do_gso,
- csum_offload, is_pci, is_tun,
- is_indirect, is_any_layout);
+ n_added = add_buffer_to_slot (vm, node, vif, vring, bi,
+ free_desc_count, avail, next, mask,
+ hdr_sz, do_gso, csum_offload, is_pci,
+ is_tun, is_indirect, is_any_layout);
if (PREDICT_FALSE (n_added == 0))
{
n_buffers_left--;
@@ -897,10 +900,10 @@ virtio_interface_tx_split_gso_inline (vlib_main_t *vm,
{
u16 n_added = 0;
- n_added = add_buffer_to_slot (vm, node, vring, buffers[0],
- free_desc_count, avail, next, mask,
- hdr_sz, do_gso, csum_offload, is_pci,
- is_tun, is_indirect, is_any_layout);
+ n_added =
+ add_buffer_to_slot (vm, node, vif, vring, buffers[0], free_desc_count,
+ avail, next, mask, hdr_sz, do_gso, csum_offload,
+ is_pci, is_tun, is_indirect, is_any_layout);
if (PREDICT_FALSE (n_added == 0))
{
@@ -1036,7 +1039,7 @@ retry:
n_left -= n_buffered;
}
if (n_left)
- virtio_interface_drop_inline (vm, node->node_index,
+ virtio_interface_drop_inline (vm, vif, node->node_index,
&buffers[n_vectors - n_left], n_left,
VIRTIO_TX_ERROR_NO_FREE_SLOTS);