diff options
| author | Jason Wright <jason@cvs.openbsd.org> | 2001-01-30 07:17:08 +0000 |
|---|---|---|
| committer | Jason Wright <jason@cvs.openbsd.org> | 2001-01-30 07:17:08 +0000 |
| commit | 394d9603b5aec314d2073fd8cdb746edc4753246 (patch) | |
| tree | 13569401a84505774b60347c3e9e9bd5196991bf /sys/arch/sparc/dev/qereg.h | |
| parent | 2d1565ea86417a77cedfd20e537a46de5a418f5c (diff) | |
- take advantage of the fact that qe's and be's require qec's and move
some common functionality into qec's driver (rx and tx frame fetching)
- avoid modulus operations
- some style
Diffstat (limited to 'sys/arch/sparc/dev/qereg.h')
| -rw-r--r-- | sys/arch/sparc/dev/qereg.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sys/arch/sparc/dev/qereg.h b/sys/arch/sparc/dev/qereg.h index d43c594e58d..f1f152e17b6 100644 --- a/sys/arch/sparc/dev/qereg.h +++ b/sys/arch/sparc/dev/qereg.h @@ -1,4 +1,4 @@ -/* $OpenBSD: qereg.h,v 1.5 2000/11/16 15:47:57 jason Exp $ */ +/* $OpenBSD: qereg.h,v 1.6 2001/01/30 07:17:07 jason Exp $ */ /* * Copyright (c) 1998, 2000 Jason L. Wright. @@ -317,10 +317,15 @@ struct qe_txd { /* Buffer and Ring sizes: fixed ring size */ #define QE_TX_RING_MAXSIZE 256 /* maximum tx ring size */ #define QE_RX_RING_MAXSIZE 256 /* maximum rx ring size */ -#define QE_TX_RING_SIZE 16 -#define QE_RX_RING_SIZE 16 +#define QE_TX_RING_SIZE 16 /* power of 2, <= MAXSIZE */ +#define QE_RX_RING_SIZE 16 /* power of 2, <= MAXSIZE */ #define QE_PKT_BUF_SZ 2048 +#define QE_TX_RING_MAXMASK (QE_TX_RING_MAXSIZE-1) +#define QE_RX_RING_MAXMASK (QE_RX_RING_MAXSIZE-1) +#define QE_TX_RING_MASK (QE_TX_RING_SIZE-1) +#define QE_RX_RING_MASK (QE_RX_RING_SIZE-1) + /* * QE descriptor rings */ |