Lines Matching refs:IP
7 .IP
9 .IP
11 .IP
16 .IP "" 4
18 .IP "" 4
28 .IP " *"
30 .IP " *"
32 .IP " *"
37 .IP
38 A is of type \fBchar *\fP, initially the address of the IP header
39 .IP
43 .IP
45 .IP
47 .IP
49 .IP
51 .IP
53 .IP
64 .IP
65 match IP packets with total length >= 256
66 .IP
67 The IP header contains a total length field in bytes 2-3.
68 .IP
70 .IP
72 .IP
77 .IP
79 .IP
81 .IP
83 .IP
87 want to match anything beyond the IP header. The last 6 bits of byte 6 and all
90 .IP
92 .IP
93 Last test: the first byte past the IP header (the type) is 0. This is where we
94 have to use the @syntax. The length of the IP header (IHL) in 32 bit words is
95 stored in the right half of byte 0 of the IP header itself.
96 .IP
98 .IP
103 then the IP header is 20 (4 x 5) bytes long. In this case, bytes 0-1 are (in
112 .IP
114 .IP
116 .IP
118 .IP
120 .IP
122 .IP
123 \fB0>>22&3C\fP as above computes the number of bytes in the IP header. \fB@\fP
127 (similar to the IP header before). "@" makes this the new offset, which is the