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 #define usage() return(-1)
25 static void explain(void)
27 fprintf(stderr,"Usage: dsmark indices INDICES [ default_index "
28 "DEFAULT_INDEX ] [ set_tc_index ]\n");
32 static int dsmark_parse_opt(struct qdisc_util *qu, int argc, char **argv,
38 int dflt,set_tc_index;
40 ind = set_tc_index = 0;
43 if (!strcmp(*argv,"indices")) {
45 ind = strtoul(*argv,&end,0);
51 else if (!strcmp(*argv,"default_index") || !strcmp(*argv,
54 dflt = strtoul(*argv,&end,0);
60 else if (!strcmp(*argv,"set_tc_index")) {
75 addattr_l(n,1024,TCA_OPTIONS,NULL,0);
76 addattr_l(n,1024,TCA_DSMARK_INDICES,&ind,sizeof(ind));
80 addattr_l(n,1024,TCA_DSMARK_DEFAULT_INDEX,&tmp,sizeof(tmp));
82 if (set_tc_index) addattr_l(n,1024,TCA_DSMARK_SET_TC_INDEX,NULL,0);
83 tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
88 static void explain_class(void)
90 fprintf(stderr, "Usage: ... dsmark [ mask MASK ] [ value VALUE ]\n");
94 static int dsmark_parse_class_opt(struct qdisc_util *qu, int argc, char **argv,
101 tail = NLMSG_TAIL(n);
102 addattr_l(n,1024,TCA_OPTIONS,NULL,0);
104 if (!strcmp(*argv,"mask")) {
106 tmp = strtoul(*argv,&end,0);
111 addattr_l(n,1024,TCA_DSMARK_MASK,&tmp,1);
113 else if (!strcmp(*argv,"value")) {
115 tmp = strtoul(*argv,&end,0);
120 addattr_l(n,1024,TCA_DSMARK_VALUE,&tmp,1);
129 tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
135 static int dsmark_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
137 struct rtattr *tb[TCA_DSMARK_MAX+1];
140 memset(tb, 0, sizeof(tb));
141 parse_rtattr(tb, TCA_DSMARK_MAX, RTA_DATA(opt), RTA_PAYLOAD(opt));
142 if (tb[TCA_DSMARK_MASK]) {
143 if (!RTA_PAYLOAD(tb[TCA_DSMARK_MASK]))
144 fprintf(stderr,"dsmark: empty mask\n");
145 else fprintf(f,"mask 0x%02x ",
146 *(__u8 *) RTA_DATA(tb[TCA_DSMARK_MASK]));
148 if (tb[TCA_DSMARK_VALUE]) {
149 if (!RTA_PAYLOAD(tb[TCA_DSMARK_VALUE]))
150 fprintf(stderr,"dsmark: empty value\n");
151 else fprintf(f,"value 0x%02x ",
152 *(__u8 *) RTA_DATA(tb[TCA_DSMARK_VALUE]));
154 if (tb[TCA_DSMARK_INDICES]) {
155 if (RTA_PAYLOAD(tb[TCA_DSMARK_INDICES]) < sizeof(__u16))
156 fprintf(stderr,"dsmark: indices too short\n");
157 else fprintf(f,"indices 0x%04x ",
158 *(__u16 *) RTA_DATA(tb[TCA_DSMARK_INDICES]));
160 if (tb[TCA_DSMARK_DEFAULT_INDEX]) {
161 if (RTA_PAYLOAD(tb[TCA_DSMARK_DEFAULT_INDEX]) < sizeof(__u16))
162 fprintf(stderr,"dsmark: default_index too short\n");
163 else fprintf(f,"default_index 0x%04x ",
164 *(__u16 *) RTA_DATA(tb[TCA_DSMARK_DEFAULT_INDEX]));
166 if (tb[TCA_DSMARK_SET_TC_INDEX]) fprintf(f,"set_tc_index ");
171 struct qdisc_util dsmark_qdisc_util = {
173 .parse_qopt = dsmark_parse_opt,
174 .print_qopt = dsmark_print_opt,
175 .parse_copt = dsmark_parse_class_opt,
176 .print_copt = dsmark_print_opt,