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Commit 7276d5d7 authored by Daniel Borkmann's avatar Daniel Borkmann Committed by David S. Miller
Browse files

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.

Signed-off-by: default avatarDaniel Borkmann <dborkman@redhat.com>
Acked-by: default avatarWillem de Bruijn <willemb@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7a51384c

include/uapi/linux/if_packet.h

+11 −11
Original line number Diff line number Diff line
@@ -86,19 +86,19 @@ struct tpacket_auxdata { 
};



/* Rx ring - header status */

#define TP_STATUS_KERNEL	0x0

#define TP_STATUS_USER		0x1

#define TP_STATUS_COPY		0x2

#define TP_STATUS_LOSING	0x4

#define TP_STATUS_CSUMNOTREADY	0x8

#define TP_STATUS_VLAN_VALID   0x10 /* auxdata has valid tp_vlan_tci */

#define TP_STATUS_BLK_TMO	0x20

#define TP_STATUS_KERNEL	      0

#define TP_STATUS_USER		(1 << 0)

#define TP_STATUS_COPY		(1 << 1)

#define TP_STATUS_LOSING	(1 << 2)

#define TP_STATUS_CSUMNOTREADY	(1 << 3)

#define TP_STATUS_VLAN_VALID	(1 << 4) /* auxdata has valid tp_vlan_tci */

#define TP_STATUS_BLK_TMO	(1 << 5)



/* Tx ring - header status */

#define TP_STATUS_AVAILABLE	0x0

#define TP_STATUS_SEND_REQUEST	0x1

#define TP_STATUS_SENDING	0x2

#define TP_STATUS_WRONG_FORMAT	0x4

#define TP_STATUS_AVAILABLE	      0

#define TP_STATUS_SEND_REQUEST	(1 << 0)

#define TP_STATUS_SENDING	(1 << 1)

#define TP_STATUS_WRONG_FORMAT	(1 << 2)



/* Rx ring - feature request bits */

#define TP_FT_REQ_FILL_RXHASH	0x1