diff options
Diffstat (limited to 'drivers/net/enic/vnic_wq.h')
| -rw-r--r-- | drivers/net/enic/vnic_wq.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/net/enic/vnic_wq.h b/drivers/net/enic/vnic_wq.h index 9c34d41a887..94ac4621acc 100644 --- a/drivers/net/enic/vnic_wq.h +++ b/drivers/net/enic/vnic_wq.h @@ -1,5 +1,5 @@ /* - * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. * Copyright 2007 Nuova Systems, Inc. All rights reserved. * * This program is free software; you may redistribute it and/or modify @@ -60,12 +60,16 @@ struct vnic_wq_buf { void *desc; }; -/* Break the vnic_wq_buf allocations into blocks of 64 entries */ -#define VNIC_WQ_BUF_BLK_ENTRIES 64 -#define VNIC_WQ_BUF_BLK_SZ \ - (VNIC_WQ_BUF_BLK_ENTRIES * sizeof(struct vnic_wq_buf)) +/* Break the vnic_wq_buf allocations into blocks of 32/64 entries */ +#define VNIC_WQ_BUF_MIN_BLK_ENTRIES 32 +#define VNIC_WQ_BUF_DFLT_BLK_ENTRIES 64 +#define VNIC_WQ_BUF_BLK_ENTRIES(entries) \ + ((unsigned int)((entries < VNIC_WQ_BUF_DFLT_BLK_ENTRIES) ? \ + VNIC_WQ_BUF_MIN_BLK_ENTRIES : VNIC_WQ_BUF_DFLT_BLK_ENTRIES)) +#define VNIC_WQ_BUF_BLK_SZ(entries) \ + (VNIC_WQ_BUF_BLK_ENTRIES(entries) * sizeof(struct vnic_wq_buf)) #define VNIC_WQ_BUF_BLKS_NEEDED(entries) \ - DIV_ROUND_UP(entries, VNIC_WQ_BUF_BLK_ENTRIES) + DIV_ROUND_UP(entries, VNIC_WQ_BUF_BLK_ENTRIES(entries)) #define VNIC_WQ_BUF_BLKS_MAX VNIC_WQ_BUF_BLKS_NEEDED(4096) struct vnic_wq { |