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authorScott Feldman <scofeldm@cisco.com>2008-11-22 05:28:40 (GMT)
committerDavid S. Miller <davem@davemloft.net>2008-11-22 05:28:40 (GMT)
commitcb3c766975985885e64e20cc72c4a36d90da2b30 (patch)
tree9ca794b1c79a5417f489a82792019f8bd6b93ec8 /drivers/net/enic
parent27372bf5fa5ffc0fee3ddb486a0da942295fd8e0 (diff)
downloadlinux-fsl-qoriq-cb3c766975985885e64e20cc72c4a36d90da2b30.tar.xz
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>
Diffstat (limited to 'drivers/net/enic')
-rw-r--r--drivers/net/enic/cq_desc.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/enic/cq_desc.h b/drivers/net/enic/cq_desc.h
index c036a8b..1eb289f 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