kernel: add a new scheduler action for restoring the connection tracking mark - useful for ingress shaping, will be used for replacing IMQ later

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25639 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 84 insertions, 0 deletions

diff --git a/package/iproute2/patches/200-act_connmark.patch b/package/iproute2/patches/200-act_connmark.patch
new file mode 100644
index 0000000000..561041f0af
--- /dev/null
+++ b/package/iproute2/patches/200-act_connmark.patch
@@ -0,0 +1,84 @@
+--- a/tc/Makefile
++++ b/tc/Makefile
+@@ -36,6 +36,7 @@ TCMODULES += m_mirred.o
+ TCMODULES += m_nat.o
+ TCMODULES += m_pedit.o
+ TCMODULES += m_skbedit.o
++TCMODULES += m_connmark.o
+ TCMODULES += p_ip.o
+ TCMODULES += p_icmp.o
+ TCMODULES += p_tcp.o
+--- /dev/null
++++ b/tc/m_connmark.c
+@@ -0,0 +1,71 @@
++/*
++ * m_connmark.c		Connection tracking marking import
++ *
++ * Copyright (c) 2011 Felix Fietkau <nbd@openwrt.org>
++ *
++ * This program is free software; you can redistribute it and/or modify it
++ * under the terms and conditions of the GNU General Public License,
++ * version 2, as published by the Free Software Foundation.
++ *
++ * This program is distributed in the hope it will be useful, but WITHOUT
++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
++ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
++ * more details.
++ *
++ * You should have received a copy of the GNU General Public License along with
++ * this program; if not, write to the Free Software Foundation, Inc., 59 Temple
++ * Place - Suite 330, Boston, MA 02111-1307 USA.
++ */
++
++#include <stdio.h>
++#include <stdlib.h>
++#include <unistd.h>
++#include <string.h>
++#include "utils.h"
++#include "tc_util.h"
++
++static void
++explain(void)
++{
++	fprintf(stderr, "Usage: ... connmark\n");
++}
++
++static void
++usage(void)
++{
++	explain();
++	exit(-1);
++}
++
++static int
++parse_connmark(struct action_util *a, int *argc_p, char ***argv_p, int tca_id,
++	      struct nlmsghdr *n)
++{
++	int argc = *argc_p;
++	char **argv = *argv_p;
++
++	if (matches(*argv, "connmark") != 0)
++		return -1;
++
++	NEXT_ARG();
++
++	*argc_p = argc;
++	*argv_p = argv;
++	return 0;
++}
++
++static int print_connmark(struct action_util *au, FILE *f, struct rtattr *arg)
++{
++	if (arg == NULL)
++		return -1;
++
++	fprintf(f, " connmark");
++
++	return 0;
++}
++
++struct action_util connmark_action_util = {
++	.id = "connmark",
++	.parse_aopt = parse_connmark,
++	.print_aopt = print_connmark,
++};