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| author | Scott Feldman <scofeldm@cisco.com> | 2008-11-21 21:28:40 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-11-21 21:28:40 -0800 |
| commit | cb3c766975985885e64e20cc72c4a36d90da2b30 (patch) | |
| tree | 9ca794b1c79a5417f489a82792019f8bd6b93ec8 | |
| parent | 27372bf5fa5ffc0fee3ddb486a0da942295fd8e0 (diff) | |
| download | blackbird-op-linux-cb3c766975985885e64e20cc72c4a36d90da2b30.tar.gz blackbird-op-linux-cb3c766975985885e64e20cc72c4a36d90da2b30.zip | |
enic: mask off some reserved bits in CQ descriptor for future use
Signed-off-by: Scott Feldman <scofeldm@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/enic/cq_desc.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/enic/cq_desc.h b/drivers/net/enic/cq_desc.h index c036a8bfd043..1eb289f773bf 100644 --- a/drivers/net/enic/cq_desc.h +++ b/drivers/net/enic/cq_desc.h @@ -44,9 +44,10 @@ struct cq_desc { u8 type_color; }; -#define CQ_DESC_TYPE_BITS 7 +#define CQ_DESC_TYPE_BITS 4 #define CQ_DESC_TYPE_MASK ((1 << CQ_DESC_TYPE_BITS) - 1) #define CQ_DESC_COLOR_MASK 1 +#define CQ_DESC_COLOR_SHIFT 7 #define CQ_DESC_Q_NUM_BITS 10 #define CQ_DESC_Q_NUM_MASK ((1 << CQ_DESC_Q_NUM_BITS) - 1) #define CQ_DESC_COMP_NDX_BITS 12 @@ -58,7 +59,7 @@ static inline void cq_desc_dec(const struct cq_desc *desc_arg, const struct cq_desc *desc = desc_arg; const u8 type_color = desc->type_color; - *color = (type_color >> CQ_DESC_TYPE_BITS) & CQ_DESC_COLOR_MASK; + *color = (type_color >> CQ_DESC_COLOR_SHIFT) & CQ_DESC_COLOR_MASK; /* * Make sure color bit is read from desc *before* other fields |
