packet: minor: convert status bits into shifting format

This makes it more readable and clearer what bits are still free to use. The compiler reduces this to a constant for us anyway.

Daniel Borkmann committed 13 years ago

Commit 7276d5d1 parent 7a513841 file · +11 −11Browse files

Showing the changes to include/uapi/linux (1 of 1 file). Show all

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@@ -86,19 +86,19 @@ struct tpacket_auxdata { · 85 unmodified lines
86	86	};
87	87
88	88	/* Rx ring - header status */
89		−#define TP_STATUS_KERNEL 0x0
90		−#define TP_STATUS_USER 0x1
91		−#define TP_STATUS_COPY 0x2
92		−#define TP_STATUS_LOSING 0x4
93		−#define TP_STATUS_CSUMNOTREADY 0x8
94		−#define TP_STATUS_VLAN_VALID 0x10 /* auxdata has valid tp_vlan_tci */
95		−#define TP_STATUS_BLK_TMO 0x20
	89	+#define TP_STATUS_KERNEL 0
	90	+#define TP_STATUS_USER (1 << 0)
	91	+#define TP_STATUS_COPY (1 << 1)
	92	+#define TP_STATUS_LOSING (1 << 2)
	93	+#define TP_STATUS_CSUMNOTREADY (1 << 3)
	94	+#define TP_STATUS_VLAN_VALID (1 << 4) /* auxdata has valid tp_vlan_tci */
	95	+#define TP_STATUS_BLK_TMO (1 << 5)
96	96
97	97	/* Tx ring - header status */
98		−#define TP_STATUS_AVAILABLE 0x0
99		−#define TP_STATUS_SEND_REQUEST 0x1
100		−#define TP_STATUS_SENDING 0x2
101		−#define TP_STATUS_WRONG_FORMAT 0x4
	98	+#define TP_STATUS_AVAILABLE 0
	99	+#define TP_STATUS_SEND_REQUEST (1 << 0)
	100	+#define TP_STATUS_SENDING (1 << 1)
	101	+#define TP_STATUS_WRONG_FORMAT (1 << 2)
102	102
103	103	/* Rx ring - feature request bits */
104	104	#define TP_FT_REQ_FILL_RXHASH 0x1

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