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/bereg.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/bereg.h')
| -rw-r--r-- | sys/arch/sparc/dev/bereg.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sys/arch/sparc/dev/bereg.h b/sys/arch/sparc/dev/bereg.h index 1cab775c1da..be8d9e5c1cc 100644 --- a/sys/arch/sparc/dev/bereg.h +++ b/sys/arch/sparc/dev/bereg.h @@ -1,4 +1,4 @@ -/* $OpenBSD: bereg.h,v 1.8 1999/01/07 03:14:42 jason Exp $ */ +/* $OpenBSD: bereg.h,v 1.9 2001/01/30 07:17:07 jason Exp $ */ /* * Copyright (c) 1998 Theo de Raadt and Jason L. Wright. @@ -257,10 +257,15 @@ struct be_txd { /* Buffer and Ring sizes: fixed ring size */ #define BE_TX_RING_MAXSIZE 256 /* maximum tx ring size */ #define BE_RX_RING_MAXSIZE 256 /* maximum rx ring size */ -#define BE_TX_RING_SIZE 32 -#define BE_RX_RING_SIZE 32 +#define BE_TX_RING_SIZE 32 /* power of 2, <= MAXSIZE */ +#define BE_RX_RING_SIZE 32 /* power of 2, <= MAXSIZE */ #define BE_PKT_BUF_SZ 2048 +#define BE_TX_RING_MAXMASK (BE_TX_RING_MAXSIZE-1) +#define BE_RX_RING_MAXMASK (BE_RX_RING_MAXSIZE-1) +#define BE_TX_RING_MASK (BE_TX_RING_SIZE-1) +#define BE_RX_RING_MASK (BE_RX_RING_SIZE-1) + /* * BE descriptor rings */ |