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Commit 34b97b3f authored by David Johnson's avatar David Johnson
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Do the dance again.

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delay/linux/tc_mods/iproute-2.6.26-emulab.patch 0 → 100644
+ 328
− 0
View file @ 34b97b3f
--- iproute-2.6.27-d/Makefile.orig 2009-06-16 15:00:24.000000000 -0600
+++ iproute-2.6.27-d/Makefile 2009-06-16 15:04:48.000000000 -0600
@@ -1,9 +1,9 @@
-DESTDIR=/usr/
+DESTDIR?=/usr/
SBINDIR=/sbin
CONFDIR=/etc/iproute2
DOCDIR=/share/doc/iproute2
MANDIR=/share/man
-KERNEL_INCLUDE=/usr/include
+KERNEL_INCLUDE?=/usr/include
# Path to db_185.h include
DBM_INCLUDE:=/usr/include
--- iproute-2.6.27-d/include/linux/pkt_sched.h.orig 2008-10-27 11:27:27.000000000 -0600
+++ iproute-2.6.27-d/include/linux/pkt_sched.h 2009-06-16 15:48:16.000000000 -0600
@@ -112,6 +112,35 @@
__u32 limit; /* Queue length: bytes for bfifo, packets for pfifo */
};
+/* PLR section */
+
+struct tc_plr_qopt
+{
+ __u32 plr; /* % drop rate (0-100) */
+};
+
+enum {
+ TCA_PLR_UNSPEC,
+ TCA_PLR_PARMS,
+ TCA_PLR_INIT,
+ __TCA_PLR_MAX,
+};
+
+/* DELAY section */
+
+struct tc_delay_qopt
+{
+ __u32 delay_usec; /* # of usecs to delay */
+ __u8 reset_time; /* flag: reset time on dequeue, or not */
+};
+
+enum {
+ TCA_DELAY_UNSPEC,
+ TCA_DELAY_PARMS,
+ TCA_DELAY_INIT,
+ __TCA_DELAY_MAX,
+};
+
/* PRIO section */
#define TCQ_PRIO_BANDS 16
--- iproute-2.6.27-d/tc/Makefile.orig 2008-10-27 11:27:27.000000000 -0600
+++ iproute-2.6.27-d/tc/Makefile 2009-06-16 15:11:13.000000000 -0600
@@ -5,6 +5,8 @@
include ../Config
TCMODULES :=
+TCMODULES += q_delay.o
+TCMODULES += q_plr.o
TCMODULES += q_fifo.o
TCMODULES += q_sfq.o
TCMODULES += q_red.o
--- iproute-2.6.27-d/tc/q_delay.c.orig 2009-06-16 15:21:37.000000000 -0600
+++ iproute-2.6.27-d/tc/q_delay.c 2009-06-16 15:49:48.000000000 -0600
@@ -0,0 +1,132 @@
+/*
+ * q_delay.c Delay.
+ *
+ * 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: David T. McWherter, <dtm@vramp.net>
+ * 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: ... delay <microseconds> [reset_time (0|1)]\n");
+}
+
+static void explain1(char *arg)
+{
+ fprintf(stderr, "Illegal \"%s\"\n", arg);
+}
+
+
+#define usage() return(-1)
+
+static int
+delay_parse_opt
+ (struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n)
+{
+ struct tc_delay_qopt opt;
+ char *end;
+
+ memset(&opt, 0, sizeof(opt));
+
+ if ( argc > 4 ) {
+ fprintf(stderr, "Too many arguments (seen: %d, expected: 2 or 4)\n",
+ argc);
+ return -1;
+ } else if ( argc < 2 ) {
+ fprintf(stderr, "Too few arguments (seen: %d, expected: 2 or 4)\n",
+ argc);
+ return -1;
+ } else {
+
+ while ( argc > 0 ) {
+ if (!strcmp(*argv, "usecs")) {
+ NEXT_ARG();
+ opt.delay_usec = strtoul(*argv,&end,0);
+ if (*end) {
+ explain1("microseconds");
+ return -1;
+ }
+ fprintf( stdout, "Usecs: %u\n", opt.delay_usec );
+ }
+ else if (!strcmp(*argv, "reset_time")) {
+ NEXT_ARG();
+ opt.reset_time = strtoul(*argv,&end,0);
+ if (*end) {
+ explain1("reset_time");
+ return -1;
+ }
+ fprintf( stdout, "reset_time: %u\n", opt.reset_time );
+ }
+ argc--;
+ argv++;
+ }
+ }
+
+ addattr_l(n, 1024, TCA_OPTIONS, &opt, sizeof(opt));
+
+ return 0;
+}
+
+static int
+delay_print_opt
+ (struct qdisc_util *qu, FILE *f, struct rtattr *opt)
+{
+ struct rtattr *tb[TCA_DELAY_PARMS + 1];
+ struct tc_delay_qopt *qopt;
+
+ if (opt == NULL)
+ return 0;
+
+ if (parse_rtattr_nested_compat(tb, TCA_DELAY_PARMS, opt, qopt,
+ sizeof(*qopt)))
+ return -1;
+
+ fprintf( f, "delay { %u } reset_time { %u }",
+ qopt->delay_usec,
+ qopt->reset_time
+ );
+
+ return 0;
+}
+
+
+static int delay_print_xstats(struct qdisc_util *qu, FILE *f, struct rtattr *xstats)
+{
+ return 0;
+}
+
+
+static int
+delay_parse_class_opt(struct qdisc_util *qu, int argc, char **argv,
+ struct nlmsghdr *n)
+{
+ return 0;
+}
+
+
+struct qdisc_util delay_qdisc_util = {
+ .id = "delay",
+ .parse_qopt = delay_parse_opt,
+ .print_qopt = delay_print_opt,
+ .print_xstats = delay_print_xstats,
+
+ .parse_copt = delay_parse_class_opt,
+ .print_copt = delay_print_opt,
+};
--- iproute-2.6.27-d/tc/q_plr.c.orig 2009-06-16 15:21:37.000000000 -0600
+++ iproute-2.6.27-d/tc/q_plr.c 2009-06-16 15:49:59.000000000 -0600
@@ -0,0 +1,116 @@
+/*
+ * q_plr.c packet loss qdisc
+ *
+ * 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: Kirk Webb, <kwebb@cs.utah.edu>
+ * 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: ... plr <rate (%% loss: 0-100)>\n");
+}
+
+static void explain1(char *arg)
+{
+ fprintf(stderr, "Illegal \"%s\"\n", arg);
+}
+
+
+#define usage() return(-1)
+
+static int
+plr_parse_opt
+ (struct qdisc_util *qu, int argc, char **argv, struct nlmsghdr *n)
+{
+ struct tc_plr_qopt opt;
+ double plr_rate = 0;
+ char *p;
+
+ memset(&opt, 0, sizeof(opt));
+
+ if ( argc > 1 ) {
+ fprintf(stderr, "Too many arguments (seen: %d, expected: %d)\n",
+ argc, 1);
+ return -1;
+ } else if ( argc < 1 ) {
+ fprintf(stderr, "Too few arguments (seen: %d, expected: %d)\n",
+ argc, 1);
+ return -1;
+ } else if ( argc == 1 ) {
+ plr_rate = strtod(*argv, &p);
+ if (p == *argv || plr_rate < 0 || plr_rate > 1) {
+ explain1("fraction (range 0-1)");
+ return -1;
+ }
+ }
+
+ opt.plr = (unsigned int)(plr_rate*0xffffffffUL);
+ fprintf( stdout, "PLR: %u\n", opt.plr );
+
+ addattr_l(n, 1024, TCA_OPTIONS, &opt, sizeof(opt));
+
+ return 0;
+}
+
+static int
+plr_print_opt
+ (struct qdisc_util *qu, FILE *f, struct rtattr *opt)
+{
+ struct rtattr *tb[TCA_PLR_PARMS + 1];
+ struct tc_plr_qopt *qopt;
+
+ if (opt == NULL)
+ return 0;
+
+ if (parse_rtattr_nested_compat(tb, TCA_PLR_PARMS, opt, qopt,
+ sizeof(*qopt)))
+ return -1;
+
+ fprintf( f, "PLR: %f",
+ qopt->plr / (double) 0xffffffff
+ );
+
+ return 0;
+}
+
+static int plr_print_xstats(struct qdisc_util *qu, FILE *f, struct rtattr *xstats)
+{
+ return 0;
+}
+
+static int
+plr_parse_class_opt(struct qdisc_util *qu, int argc, char **argv,
+ struct nlmsghdr *n)
+{
+ return 0;
+}
+
+
+
+struct qdisc_util plr_qdisc_util = {
+ .id = "plr",
+ .parse_qopt = plr_parse_opt,
+ .print_qopt = plr_print_opt,
+ .print_xstats = plr_print_xstats,
+
+ .parse_copt = plr_parse_class_opt,
+ .print_copt = plr_print_opt,
+};
--- iproute-2.6.27-d/tc/tc_qdisc.c.orig 2008-10-27 11:27:27.000000000 -0600
+++ iproute-2.6.27-d/tc/tc_qdisc.c 2009-06-16 15:12:29.000000000 -0600
@@ -38,7 +38,7 @@
fprintf(stderr, "\n");
fprintf(stderr, " tc qdisc show [ dev STRING ] [ingress]\n");
fprintf(stderr, "Where:\n");
- fprintf(stderr, "QDISC_KIND := { [p|b]fifo | tbf | prio | cbq | red | etc. }\n");
+ fprintf(stderr, "QDISC_KIND := { [p|b]fifo | delay | plr | tbf | prio | cbq | red | etc. }\n");
fprintf(stderr, "OPTIONS := ... try tc qdisc add <desired QDISC_KIND> help\n");
fprintf(stderr, "STAB_OPTIONS := ... try tc qdisc add stab help\n");
return -1;
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