diff options
Diffstat (limited to 'sys/sys/buf_ring.h')
| -rw-r--r-- | sys/sys/buf_ring.h | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/sys/sys/buf_ring.h b/sys/sys/buf_ring.h index 57e42e5..9f99fa2 100644 --- a/sys/sys/buf_ring.h +++ b/sys/sys/buf_ring.h @@ -48,7 +48,6 @@ struct buf_ring { int br_prod_mask; uint64_t br_drops; uint64_t br_prod_bufs; - uint64_t br_prod_bytes; /* * Pad out to next L2 cache line */ @@ -74,7 +73,7 @@ struct buf_ring { * */ static __inline int -buf_ring_enqueue_bytes(struct buf_ring *br, void *buf, int nbytes) +buf_ring_enqueue(struct buf_ring *br, void *buf) { uint32_t prod_head, prod_next; uint32_t cons_tail; @@ -95,6 +94,7 @@ buf_ring_enqueue_bytes(struct buf_ring *br, void *buf, int nbytes) prod_next = (prod_head + 1) & br->br_prod_mask; if (prod_next == cons_tail) { + br->br_drops++; critical_exit(); return (ENOBUFS); } @@ -117,19 +117,11 @@ buf_ring_enqueue_bytes(struct buf_ring *br, void *buf, int nbytes) while (br->br_prod_tail != prod_head) cpu_spinwait(); br->br_prod_bufs++; - br->br_prod_bytes += nbytes; br->br_prod_tail = prod_next; critical_exit(); return (0); } -static __inline int -buf_ring_enqueue(struct buf_ring *br, void *buf) -{ - - return (buf_ring_enqueue_bytes(br, buf, 0)); -} - /* * multi-consumer safe dequeue * |
