2 * q_dsmark.c Differentiated Services field marking.
4 * Hacked 1998,1999 by Werner Almesberger, EPFL ICA
13 #include <sys/socket.h>
14 #include <netinet/in.h>
15 #include <arpa/inet.h>
22 static void explain(void)
24 fprintf(stderr,"Usage: dsmark indices INDICES [ default_index "
25 "DEFAULT_INDEX ] [ set_tc_index ]\n");
29 static int dsmark_parse_opt(struct qdisc_util *qu, int argc, char **argv,
35 int dflt,set_tc_index;
37 ind = set_tc_index = 0;
40 if (!strcmp(*argv,"indices")) {
42 ind = strtoul(*argv,&end,0);
48 else if (!strcmp(*argv,"default_index") || !strcmp(*argv,
51 dflt = strtoul(*argv,&end,0);
57 else if (!strcmp(*argv,"set_tc_index")) {
72 addattr_l(n,1024,TCA_OPTIONS,NULL,0);
73 addattr_l(n,1024,TCA_DSMARK_INDICES,&ind,sizeof(ind));
77 addattr_l(n,1024,TCA_DSMARK_DEFAULT_INDEX,&tmp,sizeof(tmp));
79 if (set_tc_index) addattr_l(n,1024,TCA_DSMARK_SET_TC_INDEX,NULL,0);
80 tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
85 static void explain_class(void)
87 fprintf(stderr, "Usage: ... dsmark [ mask MASK ] [ value VALUE ]\n");
91 static int dsmark_parse_class_opt(struct qdisc_util *qu, int argc, char **argv,
99 addattr_l(n,1024,TCA_OPTIONS,NULL,0);
101 if (!strcmp(*argv,"mask")) {
103 tmp = strtoul(*argv,&end,0);
108 addattr_l(n,1024,TCA_DSMARK_MASK,&tmp,1);
110 else if (!strcmp(*argv,"value")) {
112 tmp = strtoul(*argv,&end,0);
117 addattr_l(n,1024,TCA_DSMARK_VALUE,&tmp,1);
126 tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
132 static int dsmark_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
134 struct rtattr *tb[TCA_DSMARK_MAX+1];
137 memset(tb, 0, sizeof(tb));
138 parse_rtattr(tb, TCA_DSMARK_MAX, RTA_DATA(opt), RTA_PAYLOAD(opt));
139 if (tb[TCA_DSMARK_MASK]) {
140 if (!RTA_PAYLOAD(tb[TCA_DSMARK_MASK]))
141 fprintf(stderr,"dsmark: empty mask\n");
142 else fprintf(f,"mask 0x%02x ",
143 *(__u8 *) RTA_DATA(tb[TCA_DSMARK_MASK]));
145 if (tb[TCA_DSMARK_VALUE]) {
146 if (!RTA_PAYLOAD(tb[TCA_DSMARK_VALUE]))
147 fprintf(stderr,"dsmark: empty value\n");
148 else fprintf(f,"value 0x%02x ",
149 *(__u8 *) RTA_DATA(tb[TCA_DSMARK_VALUE]));
151 if (tb[TCA_DSMARK_INDICES]) {
152 if (RTA_PAYLOAD(tb[TCA_DSMARK_INDICES]) < sizeof(__u16))
153 fprintf(stderr,"dsmark: indices too short\n");
154 else fprintf(f,"indices 0x%04x ",
155 *(__u16 *) RTA_DATA(tb[TCA_DSMARK_INDICES]));
157 if (tb[TCA_DSMARK_DEFAULT_INDEX]) {
158 if (RTA_PAYLOAD(tb[TCA_DSMARK_DEFAULT_INDEX]) < sizeof(__u16))
159 fprintf(stderr,"dsmark: default_index too short\n");
160 else fprintf(f,"default_index 0x%04x ",
161 *(__u16 *) RTA_DATA(tb[TCA_DSMARK_DEFAULT_INDEX]));
163 if (tb[TCA_DSMARK_SET_TC_INDEX]) fprintf(f,"set_tc_index ");
168 struct qdisc_util dsmark_qdisc_util = {
170 .parse_qopt = dsmark_parse_opt,
171 .print_qopt = dsmark_print_opt,
172 .parse_copt = dsmark_parse_class_opt,
173 .print_copt = dsmark_print_opt,