1 #ifndef __LINUX_IF_PACKET_H
2 #define __LINUX_IF_PACKET_H
4 #include <linux/types.h>
8 unsigned short spkt_family
;
9 unsigned char spkt_device
[14];
15 unsigned short sll_family
;
18 unsigned short sll_hatype
;
19 unsigned char sll_pkttype
;
20 unsigned char sll_halen
;
21 unsigned char sll_addr
[8];
26 #define PACKET_HOST 0 /* To us */
27 #define PACKET_BROADCAST 1 /* To all */
28 #define PACKET_MULTICAST 2 /* To group */
29 #define PACKET_OTHERHOST 3 /* To someone else */
30 #define PACKET_OUTGOING 4 /* Outgoing of any type */
31 /* These ones are invisible by user level */
32 #define PACKET_LOOPBACK 5 /* MC/BRD frame looped back */
33 #define PACKET_FASTROUTE 6 /* Fastrouted frame */
35 /* Packet socket options */
37 #define PACKET_ADD_MEMBERSHIP 1
38 #define PACKET_DROP_MEMBERSHIP 2
39 #define PACKET_RECV_OUTPUT 3
40 /* Value 4 is still used by obsolete turbo-packet. */
41 #define PACKET_RX_RING 5
42 #define PACKET_STATISTICS 6
43 #define PACKET_COPY_THRESH 7
44 #define PACKET_AUXDATA 8
45 #define PACKET_ORIGDEV 9
46 #define PACKET_VERSION 10
47 #define PACKET_HDRLEN 11
48 #define PACKET_RESERVE 12
52 unsigned int tp_packets
;
53 unsigned int tp_drops
;
56 struct tpacket_auxdata
68 unsigned long tp_status
;
69 #define TP_STATUS_KERNEL 0
70 #define TP_STATUS_USER 1
71 #define TP_STATUS_COPY 2
72 #define TP_STATUS_LOSING 4
73 #define TP_STATUS_CSUMNOTREADY 8
75 unsigned int tp_snaplen
;
76 unsigned short tp_mac
;
77 unsigned short tp_net
;
82 #define TPACKET_ALIGNMENT 16
83 #define TPACKET_ALIGN(x) (((x)+TPACKET_ALIGNMENT-1)&~(TPACKET_ALIGNMENT-1))
84 #define TPACKET_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket_hdr)) + sizeof(struct sockaddr_ll))
98 #define TPACKET2_HDRLEN (TPACKET_ALIGN(sizeof(struct tpacket2_hdr)) + sizeof(struct sockaddr_ll))
100 enum tpacket_versions
109 - Start. Frame must be aligned to TPACKET_ALIGNMENT=16
111 - pad to TPACKET_ALIGNMENT=16
113 - Gap, chosen so that packet data (Start+tp_net) alignes to TPACKET_ALIGNMENT=16
114 - Start+tp_mac: [ Optional MAC header ]
115 - Start+tp_net: Packet data, aligned to TPACKET_ALIGNMENT=16.
116 - Pad to align to TPACKET_ALIGNMENT=16
121 unsigned int tp_block_size
; /* Minimal size of contiguous block */
122 unsigned int tp_block_nr
; /* Number of blocks */
123 unsigned int tp_frame_size
; /* Size of frame */
124 unsigned int tp_frame_nr
; /* Total number of frames */
130 unsigned short mr_type
;
131 unsigned short mr_alen
;
132 unsigned char mr_address
[8];
135 #define PACKET_MR_MULTICAST 0
136 #define PACKET_MR_PROMISC 1
137 #define PACKET_MR_ALLMULTI 2
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