2 * p_ip.c packet editor: IPV4 header
4 * This program is free software; you can distribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version
7 * 2 of the License, or (at your option) any later version.
9 * Authors: J Hadi Salim (hadi@cyberus.ca)
17 #include <sys/socket.h>
18 #include <netinet/in.h>
19 #include <arpa/inet.h>
26 parse_ip(int *argc_p
, char ***argv_p
,
27 struct m_pedit_sel
*sel
, struct m_pedit_key
*tkey
)
31 char **argv
= *argv_p
;
36 tkey
->htype
= sel
->extended
?
37 TCA_PEDIT_KEY_EX_HDR_TYPE_IP4
:
38 TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK
;
40 if (strcmp(*argv
, "src") == 0) {
43 res
= parse_cmd(&argc
, &argv
, 4, TIPV4
, RU32
, sel
, tkey
);
46 if (strcmp(*argv
, "dst") == 0) {
49 res
= parse_cmd(&argc
, &argv
, 4, TIPV4
, RU32
, sel
, tkey
);
52 /* jamal - look at these and make them either old or new
53 ** scheme given diffserv
54 ** don't forget the CE bit
56 if (strcmp(*argv
, "tos") == 0 || matches(*argv
, "dsfield") == 0) {
59 res
= parse_cmd(&argc
, &argv
, 1, TU32
, RU8
, sel
, tkey
);
62 if (strcmp(*argv
, "ihl") == 0) {
65 res
= parse_cmd(&argc
, &argv
, 1, TU32
, 0x0f, sel
, tkey
);
68 if (strcmp(*argv
, "ttl") == 0) {
71 res
= parse_cmd(&argc
, &argv
, 1, TU32
, RU8
, sel
, tkey
);
74 if (strcmp(*argv
, "protocol") == 0) {
77 res
= parse_cmd(&argc
, &argv
, 1, TU32
, RU8
, sel
, tkey
);
80 /* jamal - fix this */
81 if (matches(*argv
, "precedence") == 0) {
84 res
= parse_cmd(&argc
, &argv
, 1, TU32
, RU8
, sel
, tkey
);
87 /* jamal - validate this at some point */
88 if (strcmp(*argv
, "nofrag") == 0) {
91 res
= parse_cmd(&argc
, &argv
, 1, TU32
, 0x3F, sel
, tkey
);
94 /* jamal - validate this at some point */
95 if (strcmp(*argv
, "firstfrag") == 0) {
98 res
= parse_cmd(&argc
, &argv
, 1, TU32
, 0x1F, sel
, tkey
);
101 if (strcmp(*argv
, "ce") == 0) {
104 res
= parse_cmd(&argc
, &argv
, 1, TU32
, 0x80, sel
, tkey
);
107 if (strcmp(*argv
, "df") == 0) {
110 res
= parse_cmd(&argc
, &argv
, 1, TU32
, 0x40, sel
, tkey
);
113 if (strcmp(*argv
, "mf") == 0) {
116 res
= parse_cmd(&argc
, &argv
, 1, TU32
, 0x20, sel
, tkey
);
121 return -1; /* fields located outside IP header should be
122 * addressed using the relevant header type in
123 * extended pedit kABI
126 if (strcmp(*argv
, "dport") == 0) {
129 res
= parse_cmd(&argc
, &argv
, 2, TU32
, RU16
, sel
, tkey
);
132 if (strcmp(*argv
, "sport") == 0) {
135 res
= parse_cmd(&argc
, &argv
, 2, TU32
, RU16
, sel
, tkey
);
138 if (strcmp(*argv
, "icmp_type") == 0) {
141 res
= parse_cmd(&argc
, &argv
, 1, TU32
, RU8
, sel
, tkey
);
144 if (strcmp(*argv
, "icmp_code") == 0) {
147 res
= parse_cmd(&argc
, &argv
, 1, TU32
, RU8
, sel
, tkey
);
158 struct m_pedit_util p_pedit_ip
= {
160 .parse_peopt
= parse_ip
,