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Date: Fri, 21 Nov 2008 16:34:08 -0800
From: Scott Feldman <scofeldm@...co.com>
To: jgarzik@...ox.com
Cc: netdev@...r.kernel.org
Subject: [PATCH 3/5] enic: mask off some reserved bits in CQ descriptor for
future use
enic: mask off some reserved bits in CQ descriptor for future use
Signed-off-by: Scott Feldman <scofeldm@...co.com>
---
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 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
--
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