Revert "rlim qdisc support"

This reverts commit 7ca30b78.

Since rlim isn't upstream (yet), drop it.

tc/q_rlim.c

-/*
- * q_rtlim.c		RTLIM.
- *
- *		This program is free software; you can redistribute it and/or
- *		modify it under the terms of the GNU General Public License
- *		as published by the Free Software Foundation; either version
- *		2 of the License, or (at your option) any later version.
- *
- * Authors:	Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <syslog.h>
-#include <fcntl.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <string.h>
-
-#include "utils.h"
-#include "tc_util.h"
-
-static void explain(void)
-{
-	fprintf(stderr, 
-		"Usage: ... rlim limit PACKETS rate KBPS [ overhead BYTES ]\n");
-}
-
-static void explain1(char *arg)
-{
-	fprintf(stderr, "Illegal \"%s\"\n", arg);
-}
-
-
-#define usage() return(-1)
-
-static int rlim_parse_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n)
-{
-	unsigned x;
-	struct tc_rlim_qopt opt = { 
-		.overhead = 24,		/* Ether IPG + Preamble + CRC */
-	};
-	struct rtattr *tail;
-
-	while (argc > 0) {
-		if (matches(*argv, "limit") == 0) {
-			NEXT_ARG();
-			if (opt.limit) {
-				fprintf(stderr, "Double \"limit\" spec\n");
-				return -1;
-			}
-			if (get_size(&opt.limit, *argv)) {
-				explain1("limit");
-				return -1;
-			}
-		} else if (strcmp(*argv, "rate") == 0) {
-			NEXT_ARG();
-			if (opt.rate) {
-				fprintf(stderr, "Double \"rate\" spec\n");
-				return -1;
-			}
-
-			if (get_rate(&x, *argv)) {
-				explain1("rate");
-				return -1;
-			}
-			opt.rate = x;
-		} else if (strcmp(*argv, "help") == 0) {
-			explain();
-			return -1;
-		} else {
-			fprintf(stderr, "What is \"%s\"?\n", *argv);
-			explain();
-			return -1;
-		}
-		argc--; argv++;
-	}
-
-	if (opt.rate == 0) {
-		fprintf(stderr, "\"rate\" is required.\n");
-		return -1;
-	}
-
-	if (opt.limit == 0)
-		opt.limit = 1000;
-
-	tail = NLMSG_TAIL(n);
-	addattr_l(n, 1024, TCA_OPTIONS, NULL, 0);
-	addattr_l(n, 2024, TCA_RLIM_PARMS, &opt, sizeof(opt));
-	tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
-
-	return 0;
-}
-
-static int rlim_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
-{
-	struct rtattr *tb[TCA_RLIM_PARMS+1];
-	struct tc_rlim_qopt *qopt;
-	SPRINT_BUF(b1);
-	SPRINT_BUF(b2);
-
-	if (opt == NULL)
-		return 0;
-
-	parse_rtattr_nested(tb, TCA_RLIM_PARMS, opt);
-	if (tb[TCA_RLIM_PARMS] == NULL)
-		return -1;
-
-	qopt = RTA_DATA(tb[TCA_RLIM_PARMS]);
-	if (RTA_PAYLOAD(tb[TCA_RLIM_PARMS])  < sizeof(*qopt))
-		return -1;
-
-	fprintf(f, "limit %s rate %s overhead %u", 
-		sprint_size(qopt->limit, b1),
-		sprint_rate(qopt->rate, b2),
-		qopt->overhead);
-
-	return 0;
-}
-
-struct qdisc_util rlim_qdisc_util = {
-	.id		= "rlim",
-	.parse_qopt	= rlim_parse_opt,
-	.print_qopt	= rlim_print_opt,
-};
-