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>

diff --git a/drivers/net/enic/cq_desc.h b/drivers/net/enic/cq_desc.h
index c036a8b..1eb289f 100644 (file)
--- 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