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      1 /*
      2  *
      3  * q_ingress.c             INGRESS.
      4  *
      5  *              This program is free software; you can redistribute it and/or
      6  *              modify it under the terms of the GNU General Public License
      7  *              as published by the Free Software Foundation; either version
      8  *              2 of the License, or (at your option) any later version.
      9  *
     10  * Authors:    J Hadi Salim
     11  *
     12  * This is here just in case it is needed
     13  * useless right now; might be useful in the future
     14  *
     15  */
     16 
     17 #include <stdio.h>
     18 #include <stdlib.h>
     19 #include <unistd.h>
     20 #include <syslog.h>
     21 #include <fcntl.h>
     22 #include <sys/socket.h>
     23 #include <netinet/in.h>
     24 #include <arpa/inet.h>
     25 #include <string.h>
     26 
     27 #include "utils.h"
     28 #include "tc_util.h"
     29 
     30 static void explain(void)
     31 {
     32 	fprintf(stderr, "Usage: ... ingress \n");
     33 }
     34 
     35 static int ingress_parse_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n)
     36 {
     37 
     38 	if (argc > 0) {
     39 		while (argc > 0) {
     40 
     41 			if (strcmp(*argv, "handle") == 0) {
     42 				NEXT_ARG();
     43 				argc--; argv++;
     44 			} else {
     45 				fprintf(stderr, "What is \"%s\"?\n", *argv);
     46 				explain();
     47 				return -1;
     48 			}
     49 		}
     50 	}
     51 
     52 	addattr_l(n, 1024, TCA_OPTIONS, NULL, 0);
     53 	return 0;
     54 }
     55 
     56 static int ingress_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
     57 {
     58 
     59 		fprintf(f, "---------------- ");
     60 	return 0;
     61 }
     62 
     63 struct qdisc_util ingress_qdisc_util = {
     64 	.id		= "ingress",
     65 	.parse_qopt	= ingress_parse_opt,
     66 	.print_qopt	= ingress_print_opt,
     67 };
     68