X-Git-Url: http://git.onelab.eu/?p=iproute2.git;a=blobdiff_plain;f=tc%2Fq_gred.c;fp=tc%2Fq_gred.c;h=0000000000000000000000000000000000000000;hp=0526c75aad23fe21cf7980c1cb1fdccf4828d6bf;hb=3331a68859fd71047bb1f309048960b48eab2d83;hpb=2bd4a72f2100be7ad7d9518cb1d49bb2a5b71994

diff --git a/tc/q_gred.c b/tc/q_gred.c
deleted file mode 100644
index 0526c75..0000000
--- a/tc/q_gred.c
+++ /dev/null
@@ -1,312 +0,0 @@
-/*
- * q_gred.c		GRED.
- *
- *		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:    J Hadi Salim(hadi@nortelnetworks.com)	
- *             code ruthlessly ripped from 
- *	       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"
-
-#include "tc_red.h"
-
-
-#if 0
-#define DPRINTF(format,args...) fprintf(stderr,format,##args)
-#else
-#define DPRINTF(format,args...)
-#endif
-
-static void explain(void)
-{
-	fprintf(stderr, "Usage: ... gred DP drop-probability limit BYTES "
-	    "min BYTES max BYTES\n");
-	fprintf(stderr, "    avpkt BYTES burst PACKETS probability PROBABILITY "
-	    "bandwidth KBPS\n");
-	fprintf(stderr, "    [prio value]\n");
-	fprintf(stderr," OR ...\n");
-	fprintf(stderr," gred setup DPs <num of DPs> default <default DP> "
-	    "[grio]\n");
-}
-
-#define usage() return(-1)
-
-static int init_gred(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n)
-{
-
-	struct rtattr *tail;
-	struct tc_gred_sopt opt;
-	memset(&opt, 0, sizeof(struct tc_gred_sopt));
-
-	while (argc > 0) {
-		DPRINTF(stderr,"init_gred: invoked with %s\n",*argv);
-		if (strcmp(*argv, "DPs") == 0) {
-			NEXT_ARG();
-			DPRINTF(stderr,"init_gred: next_arg with %s\n",*argv);
-			opt.DPs=strtol(*argv, (char **)NULL, 10);
-			if (opt.DPs >MAX_DPs) { /* need a better error check */
-				fprintf(stderr, "DPs =%u \n",opt.DPs);
-				fprintf(stderr, "Illegal \"DPs\"\n");
-				fprintf(stderr, "GRED: only %d DPs are "
-				    "currently supported\n",MAX_DPs);
-				return -1;
-			}
-		} else if (strcmp(*argv, "default") == 0) {
-			NEXT_ARG();
-			opt.def_DP=strtol(*argv, (char **)NULL, 10);
-			if (!opt.DPs) {
-				fprintf(stderr, "\"default DP\" must be "
-				    "defined after DPs\n");
-				return -1;
-			}
-			if (opt.def_DP>opt.DPs) {
-/*
-				fprintf(stderr, "\"default DP\" must be less than %d\nNote: DP runs from 0 to %d for %d DPs\n",opt.DPs,opt.DPs-1,opt.DPs);
-*/
-				fprintf(stderr, "\"default DP\" must be less than %d\n",opt.DPs);
-				return -1;
-			}
-		} else if (strcmp(*argv, "grio") == 0) {
-			opt.grio=1;
-		} else if (strcmp(*argv, "help") == 0) {
-			explain();
-			return -1;
-		} else {
-			fprintf(stderr, "What is \"%s\"?\n", *argv);
-			explain();
-			return -1;
-		}
-		argc--; argv++;
-}
-
-if ((!opt.DPs) || (!opt.def_DP))
-{
-	fprintf(stderr, "Illegal gred setup parameters \n");
-			return -1;
-}
-DPRINTF("TC_GRED: sending DPs=%d default=%d\n",opt.DPs,opt.def_DP);
-	n->nlmsg_flags|=NLM_F_CREATE;
-	tail = NLMSG_TAIL(n);
-	addattr_l(n, 1024, TCA_OPTIONS, NULL, 0);
-	addattr_l(n, 1024, TCA_GRED_DPS, &opt, sizeof(struct tc_gred_sopt));
-	tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
-return 0;
-}
-/*
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-*/
-static int gred_parse_opt(struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n)
-{
-	int ok=0;
-	struct tc_gred_qopt opt;
-	unsigned burst = 0;
-	unsigned avpkt = 0;
-	double probability = 0.02;
-	unsigned rate = 0;
-	int wlog;
-	__u8 sbuf[256];
-	struct rtattr *tail;
-
-	memset(&opt, 0, sizeof(opt));
-
-	while (argc > 0) {
-		if (strcmp(*argv, "limit") == 0) {
-			NEXT_ARG();
-			if (get_size(&opt.limit, *argv)) {
-				fprintf(stderr, "Illegal \"limit\"\n");
-				return -1;
-			}
-			ok++;
-		} else if (strcmp(*argv, "setup") == 0) {
-			if (ok) {
-				fprintf(stderr, "Illegal \"setup\"\n");
-				return -1;
-			}
-		return init_gred(qu,argc-1, argv+1,n);
-	         	
-		} else if (strcmp(*argv, "min") == 0) {
-			NEXT_ARG();
-			if (get_size(&opt.qth_min, *argv)) {
-				fprintf(stderr, "Illegal \"min\"\n");
-				return -1;
-			}
-			ok++;
-		} else if (strcmp(*argv, "max") == 0) {
-			NEXT_ARG();
-			if (get_size(&opt.qth_max, *argv)) {
-				fprintf(stderr, "Illegal \"max\"\n");
-				return -1;
-			}
-			ok++;
-		} else if (strcmp(*argv, "DP") == 0) {
-			NEXT_ARG();
-			opt.DP=strtol(*argv, (char **)NULL, 10);
-			DPRINTF ("\n ******* DP =%u\n",opt.DP);
-			if (opt.DP >MAX_DPs) { /* need a better error check */
-				fprintf(stderr, "DP =%u \n",opt.DP);
-				fprintf(stderr, "Illegal \"DP\"\n");
-				fprintf(stderr, "GRED: only %d DPs are currently supported\n",MAX_DPs);
-				return -1;
-			}
-			ok++;
-		} else if (strcmp(*argv, "burst") == 0) {
-			NEXT_ARG();
-                        if (get_unsigned(&burst, *argv, 0)) {
-				fprintf(stderr, "Illegal \"burst\"\n");
-				return -1;
-			}
-			ok++;
-		} else if (strcmp(*argv, "avpkt") == 0) {
-			NEXT_ARG();
-			if (get_size(&avpkt, *argv)) {
-				fprintf(stderr, "Illegal \"avpkt\"\n");
-				return -1;
-			}
-			ok++;
-		} else if (strcmp(*argv, "probability") == 0) {
-			NEXT_ARG();
-			if (sscanf(*argv, "%lg", &probability) != 1) {
-				fprintf(stderr, "Illegal \"probability\"\n");
-				return -1;
-			}
-			ok++;
-		} else if (strcmp(*argv, "prio") == 0) {
-			NEXT_ARG();
-			opt.prio=strtol(*argv, (char **)NULL, 10);
-			/* some error check here */
-			ok++;
-		} else if (strcmp(*argv, "bandwidth") == 0) {
-			NEXT_ARG();
-			if (get_rate(&rate, *argv)) {
-				fprintf(stderr, "Illegal \"bandwidth\"\n");
-				return -1;
-			}
-			ok++;
-		} else if (strcmp(*argv, "help") == 0) {
-			explain();
-			return -1;
-		} else {
-			fprintf(stderr, "What is \"%s\"?\n", *argv);
-			explain();
-			return -1;
-		}
-		argc--; argv++;
-	}
-
-	if (!ok)
-		return 0;
-
-	if (rate == 0)
-		get_rate(&rate, "10Mbit");
-
-	if (!opt.qth_min || !opt.qth_max || !burst || !opt.limit || !avpkt ||
-	    (opt.DP<0)) {
-		fprintf(stderr, "Required parameter (min, max, burst, limit, "
-		    "avpket, DP) is missing\n");
-		return -1;
-	}
-
-	if ((wlog = tc_red_eval_ewma(opt.qth_min, burst, avpkt)) < 0) {
-		fprintf(stderr, "GRED: failed to calculate EWMA constant.\n");
-		return -1;
-	}
-	if (wlog >= 10)
-		fprintf(stderr, "GRED: WARNING. Burst %d seems to be to "
-		    "large.\n", burst);
-	opt.Wlog = wlog;
-	if ((wlog = tc_red_eval_P(opt.qth_min, opt.qth_max, probability)) < 0) {
-		fprintf(stderr, "GRED: failed to calculate probability.\n");
-		return -1;
-	}
-	opt.Plog = wlog;
-	if ((wlog = tc_red_eval_idle_damping(opt.Wlog, avpkt, rate, sbuf)) < 0)
-	    {
-		fprintf(stderr, "GRED: failed to calculate idle damping "
-		    "table.\n");
-		return -1;
-	}
-	opt.Scell_log = wlog;
-
-	tail = NLMSG_TAIL(n);
-	addattr_l(n, 1024, TCA_OPTIONS, NULL, 0);
-	addattr_l(n, 1024, TCA_GRED_PARMS, &opt, sizeof(opt));
-	addattr_l(n, 1024, TCA_GRED_STAB, sbuf, 256);
-	tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail;
-	return 0;
-}
-
-static int gred_print_opt(struct qdisc_util *qu, FILE *f, struct rtattr *opt)
-{
-	struct rtattr *tb[TCA_GRED_STAB+1];
-	struct tc_gred_qopt *qopt;
-	int i;
-	SPRINT_BUF(b1);
-	SPRINT_BUF(b2);
-	SPRINT_BUF(b3);
-	SPRINT_BUF(b4);
-	SPRINT_BUF(b5);
-
-	if (opt == NULL)
-		return 0;
-
-	parse_rtattr_nested(tb, TCA_GRED_STAB, opt);
-
-	if (tb[TCA_GRED_PARMS] == NULL)
-		return -1;
-
-	qopt = RTA_DATA(tb[TCA_GRED_PARMS]);
-	if (RTA_PAYLOAD(tb[TCA_GRED_PARMS])  < sizeof(*qopt)*MAX_DPs) {
-		fprintf(f,"\n GRED received message smaller than expected\n");
-		return -1;
-		}
-         
-/* Bad hack! should really return a proper message as shown above*/
-
-	for (i=0;i<MAX_DPs;i++, qopt++) {
-		if (qopt->DP >= MAX_DPs) continue;
-		fprintf(f, "\n DP:%d (prio %d) Average Queue %s Measured "
-		    "Queue %s  ",
-			qopt->DP,
-			qopt->prio,
-			sprint_size(qopt->qave, b4),
-			sprint_size(qopt->backlog, b5));
-		fprintf(f, "\n\t Packet drops: %d (forced %d early %d)  ",
-			qopt->forced+qopt->early,
-			qopt->forced,
-			qopt->early);
-		fprintf(f, "\n\t Packet totals: %u (bytes %u)  ",
-			qopt->packets,
-			qopt->bytesin);
-		if (show_details)
-			fprintf(f, "\n limit %s min %s max %s ",
-				sprint_size(qopt->limit, b1),
-				sprint_size(qopt->qth_min, b2),
-				sprint_size(qopt->qth_max, b3));
-				fprintf(f, "ewma %u Plog %u Scell_log %u",
-				    qopt->Wlog, qopt->Plog, qopt->Scell_log);
-	}
-	return 0;
-}
-
-struct qdisc_util gred_qdisc_util = {
-	.id		= "gred",
-	.parse_qopt	= gred_parse_opt,
-	.print_qopt	= gred_print_opt,
-};