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dd4ccf2)
Type: improvement
Change-Id: I991e32d531719693c387db4ef93d04d4b562789d
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
#define foreach_virtio_input_error \
#define foreach_virtio_input_error \
+ _(BUFFER_ALLOC, "buffer alloc error") \
_(UNKNOWN, "unknown")
typedef enum
_(UNKNOWN, "unknown")
typedef enum
static_always_inline void
virtio_refill_vring (vlib_main_t * vm, virtio_if_t * vif,
virtio_if_type_t type, virtio_vring_t * vring,
static_always_inline void
virtio_refill_vring (vlib_main_t * vm, virtio_if_t * vif,
virtio_if_type_t type, virtio_vring_t * vring,
+ const int hdr_sz, u32 node_index)
- u16 used, next, avail, n_slots;
+ u16 used, next, avail, n_slots, n_refill;
u16 sz = vring->size;
u16 mask = sz - 1;
u16 sz = vring->size;
u16 mask = sz - 1;
return;
/* deliver free buffers in chunks of 64 */
return;
/* deliver free buffers in chunks of 64 */
- n_slots = clib_min (sz - used, 64);
+ n_refill = clib_min (sz - used, 64);
next = vring->desc_next;
avail = vring->avail->idx;
n_slots =
vlib_buffer_alloc_to_ring_from_pool (vm, vring->buffers, next,
next = vring->desc_next;
avail = vring->avail->idx;
n_slots =
vlib_buffer_alloc_to_ring_from_pool (vm, vring->buffers, next,
vring->buffer_pool_index);
vring->buffer_pool_index);
- if (n_slots == 0)
- return;
+ if (PREDICT_FALSE (n_slots != n_refill))
+ {
+ vlib_error_count (vm, node_index,
+ VIRTIO_INPUT_ERROR_BUFFER_ALLOC, n_refill - n_slots);
+ if (n_slots == 0)
+ return;
+ }
- virtio_refill_vring (vm, vif, type, vring, hdr_sz);
+ virtio_refill_vring (vm, vif, type, vring, hdr_sz, node->node_index);