Subversion Repositories configs

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
58 - 1 
#
2 
# Location definitions for packet matching
3 
#
4 
 
5 
# name		alignment	offset		mask		shift
6 
ip.version	u8		net+0		0xF0		4
7 
ip.hdrlen	u8		net+0		0x0F
8 
ip.diffserv	u8		net+1
9 
ip.length	u16		net+2
10 
ip.id		u16		net+4
11 
ip.flag.res	u8		net+6		0xff		7
12 
ip.df		u8		net+6		0x40		6
13 
ip.mf		u8		net+6		0x20		5
14 
ip.offset	u16		net+6		0x1FFF
15 
ip.ttl		u8		net+8
16 
ip.proto	u8		net+9
17 
ip.chksum	u16		net+10
18 
ip.src		u32		net+12
19 
ip.dst		u32		net+16
20 
 
21 
# if ip.ihl > 5
22 
ip.opts		u32		net+20
23 
 
24 
 
25 
#
26 
# IP version 6
27 
#
28 
# name		alignment	offset		mask		shift
29 
ip6.version	u8		net+0		0xF0		4
30 
ip6.tc		u16		net+0		0xFF0		4
31 
ip6.flowlabel	u32		net+0		0xFFFFF
32 
ip6.length	u16		net+4
33 
ip6.nexthdr	u8		net+6
34 
ip6.hoplimit	u8		net+7
35 
ip6.src		16		net+8
36 
ip6.dst		16		net+24
37 
 
38 
#
39 
# Transmission Control Protocol (TCP)
40 
#
41 
# name		alignment	offset		mask		shift
42 
tcp.sport	u16		tcp+0
43 
tcp.dport	u16		tcp+2
44 
tcp.seq		u32		tcp+4
45 
tcp.ack		u32		tcp+8
46 
 
47 
# Data offset (4 bits)
48 
tcp.off		u8		tcp+12		0xF0		4
49 
 
50 
# Reserved [0 0 0] (3 bits)
51 
tcp.reserved	u8		tcp+12		0x04		1
52 
 
53 
# ECN [N C E] (3 bits)
54 
tcp.ecn		u16		tcp+12		0x01C00		6
55 
 
56 
# Individual TCP flags (0|1) (6 bits in total)
57 
tcp.flag.urg	u8		tcp+13		0x20		5
58 
tcp.flag.ack	u8		tcp+13		0x10		4
59 
tcp.flag.psh	u8		tcp+13		0x08		3
60 
tcp.flag.rst	u8		tcp+13		0x04		2
61 
tpc.flag.syn	u8		tcp+13		0x02		1
62 
tcp.flag.fin	u8		tcp+13		0x01
63 
 
64 
tcp.win		u16		tcp+14
65 
tcp.csum	u16		tcp+16
66 
tcp.urg		u16		tcp+18
67 
tcp.opts	u32		tcp+20
68 
 
69 
#
70 
# User Datagram Protocol (UDP)
71 
#
72 
# name		alignment	offset		mask		shift
73 
udp.sport	u16		tcp+0
74 
udp.dport	u16		tcp+2
75 
udp.length	u16		tcp+4
76 
udp.csum	u16		tcp+6