tc/q_ingress.c

   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 };