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Commit cb3c7669 authored by Scott Feldman's avatar Scott Feldman Committed by David S. Miller
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enic: mask off some reserved bits in CQ descriptor for future use

parent 27372bf5
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+3 −2
Original line number Diff line number Diff line
@@ -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