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git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-29 13:04:15 +02:00
add imq from whiterussian to trunk
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@2652 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
parent
397036b24e
commit
20e06c9425
@ -412,6 +412,7 @@ CONFIG_IP_NF_TARGET_TOS=m
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CONFIG_IP_NF_TARGET_ECN=m
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CONFIG_IP_NF_TARGET_DSCP=m
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CONFIG_IP_NF_TARGET_MARK=y
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CONFIG_IP_NF_TARGET_IMQ=m
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CONFIG_IP_NF_TARGET_CONNMARK=m
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CONFIG_IP_NF_TARGET_LOG=m
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CONFIG_IP_NF_TARGET_TTL=m
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@ -450,6 +451,7 @@ CONFIG_IP6_NF_FILTER=m
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CONFIG_IP6_NF_TARGET_LOG=m
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CONFIG_IP6_NF_MANGLE=m
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CONFIG_IP6_NF_TARGET_MARK=m
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CONFIG_IP6_NF_TARGET_IMQ=m
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# CONFIG_KHTTPD is not set
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#
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@ -628,6 +630,7 @@ CONFIG_NETDEVICES=y
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# CONFIG_DUMMY is not set
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# CONFIG_BONDING is not set
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# CONFIG_EQUALIZER is not set
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CONFIG_IMQ=m
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CONFIG_TUN=m
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CONFIG_NET_RANDOM=y
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# CONFIG_ETHERTAP is not set
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@ -427,6 +427,7 @@ CONFIG_IP_NF_TARGET_TOS=m
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CONFIG_IP_NF_TARGET_ECN=m
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CONFIG_IP_NF_TARGET_DSCP=m
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CONFIG_IP_NF_TARGET_MARK=y
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CONFIG_IP_NF_TARGET_IMQ=m
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CONFIG_IP_NF_TARGET_CONNMARK=m
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CONFIG_IP_NF_TARGET_LOG=m
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CONFIG_IP_NF_TARGET_TTL=m
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@ -487,6 +488,7 @@ CONFIG_IP6_NF_FILTER=m
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CONFIG_IP6_NF_TARGET_LOG=m
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CONFIG_IP6_NF_MANGLE=m
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CONFIG_IP6_NF_TARGET_MARK=m
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CONFIG_IP6_NF_TARGET_IMQ=m
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# CONFIG_KHTTPD is not set
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#
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@ -769,6 +771,7 @@ CONFIG_HND=y
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# CONFIG_DUMMY is not set
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# CONFIG_BONDING is not set
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# CONFIG_EQUALIZER is not set
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CONFIG_IMQ=m
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CONFIG_TUN=m
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CONFIG_NET_RANDOM=y
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# CONFIG_ETHERTAP is not set
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@ -349,6 +349,7 @@ CONFIG_IP_NF_TARGET_TOS=m
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CONFIG_IP_NF_TARGET_ECN=m
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CONFIG_IP_NF_TARGET_DSCP=m
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CONFIG_IP_NF_TARGET_MARK=y
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CONFIG_IP_NF_TARGET_IMQ=m
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CONFIG_IP_NF_TARGET_CONNMARK=m
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CONFIG_IP_NF_TARGET_LOG=m
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CONFIG_IP_NF_TARGET_TTL=m
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@ -387,6 +388,7 @@ CONFIG_IP6_NF_FILTER=m
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CONFIG_IP6_NF_TARGET_LOG=m
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CONFIG_IP6_NF_MANGLE=m
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CONFIG_IP6_NF_TARGET_MARK=m
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CONFIG_IP6_NF_TARGET_IMQ=m
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# CONFIG_KHTTPD is not set
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#
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@ -667,6 +669,7 @@ CONFIG_NETDEVICES=y
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# CONFIG_DUMMY is not set
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# CONFIG_BONDING is not set
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# CONFIG_EQUALIZER is not set
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CONFIG_IMQ=m
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CONFIG_TUN=m
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CONFIG_NET_RANDOM=y
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# CONFIG_ETHERTAP is not set
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@ -0,0 +1,748 @@
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diff -aurN linux-2.4.28-orig/Documentation/Configure.help linux-2.4.28/Documentation/Configure.help
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--- linux-2.4.28-orig/Documentation/Configure.help 2004-11-17 11:54:20.000000000 +0000
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+++ linux-2.4.28/Documentation/Configure.help 2004-12-14 11:43:42.000000000 +0000
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@@ -3147,6 +3147,22 @@
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If you want to compile it as a module, say M here and read
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<file:Documentation/modules.txt>. If unsure, say `N'.
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+IMQ target support
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+CONFIG_IP_NF_TARGET_IMQ
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+ This option adds a `IMQ' target which is used to specify if and
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+ to which imq device packets should get enqueued/dequeued.
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+
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+ If you want to compile it as a module, say M here and read
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+ <file:Documentation/modules.txt>. If unsure, say `N'.
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+
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+IMQ target support
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+CONFIG_IP6_NF_TARGET_IMQ
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+ This option adds a `IMQ' target which is used to specify if and
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+ to which imq device packets should get enqueued/dequeued.
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+
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+ If you want to compile it as a module, say M here and read
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+ <file:Documentation/modules.txt>. If unsure, say `N'.
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+
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MARK target support
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CONFIG_IP_NF_TARGET_MARK
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This option adds a `MARK' target, which allows you to create rules
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@@ -9799,6 +9815,20 @@
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say M here and read <file:Documentation/modules.txt>. The module
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will be called bonding.o.
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+Intermediate queueing device support
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+CONFIG_IMQ
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+ The imq device(s) is used as placeholder for QoS queueing disciplines.
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+ Every packet entering/leaving the ip stack can be directed through
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+ the imq device where it's enqueued/dequeued to the attached qdisc.
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+ This allows you to treat network devices as classes and distribute
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+ bandwidth among them. Iptables is used to specify through which imq
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+ device, if any, packets travel.
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+
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+ If you want to compile this as a module ( = code which ca be
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+ inserted in and removed from the running kernel whenever you want),
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+ say M here and read <file:Documentation/modules.txt>. The module
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+ will be called imq.o
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+
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SLIP (serial line) support
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CONFIG_SLIP
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Say Y if you intend to use SLIP or CSLIP (compressed SLIP) to
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diff -aurN linux-2.4.28-orig/drivers/net/Config.in linux-2.4.28/drivers/net/Config.in
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--- linux-2.4.28-orig/drivers/net/Config.in 2004-08-07 23:26:04.000000000 +0000
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+++ linux-2.4.28/drivers/net/Config.in 2004-12-14 11:43:42.000000000 +0000
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@@ -7,6 +7,11 @@
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tristate 'Dummy net driver support' CONFIG_DUMMY
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tristate 'Bonding driver support' CONFIG_BONDING
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tristate 'EQL (serial line load balancing) support' CONFIG_EQUALIZER
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+if [ "$CONFIG_NETFILTER" = "y" ]; then
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+ tristate 'IMQ (intermediate queueing device) support' CONFIG_IMQ
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+else
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+ comment 'IMQ needs CONFIG_NETFILTER enabled'
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+fi
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tristate 'Universal TUN/TAP device driver support' CONFIG_TUN
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if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then
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tristate 'Ethertap network tap (OBSOLETE)' CONFIG_ETHERTAP
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diff -aurN linux-2.4.28-orig/drivers/net/Makefile linux-2.4.28/drivers/net/Makefile
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--- linux-2.4.28-orig/drivers/net/Makefile 2004-08-07 23:26:04.000000000 +0000
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+++ linux-2.4.28/drivers/net/Makefile 2004-12-14 11:43:42.000000000 +0000
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@@ -170,6 +170,7 @@
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obj-$(CONFIG_STRIP) += strip.o
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obj-$(CONFIG_DUMMY) += dummy.o
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+obj-$(CONFIG_IMQ) += imq.o
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obj-$(CONFIG_DE600) += de600.o
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obj-$(CONFIG_DE620) += de620.o
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obj-$(CONFIG_AT1500) += lance.o
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diff -aurN linux-2.4.28-orig/drivers/net/imq.c linux-2.4.28/drivers/net/imq.c
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--- linux-2.4.28-orig/drivers/net/imq.c 1970-01-01 00:00:00.000000000 +0000
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+++ linux-2.4.28/drivers/net/imq.c 2004-12-14 11:43:42.000000000 +0000
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@@ -0,0 +1,321 @@
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+/*
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+ * Pseudo-driver for the intermediate queue device.
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+ *
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+ * This program is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License
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+ * as published by the Free Software Foundation; either version
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+ * 2 of the License, or (at your option) any later version.
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+ *
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+ * Authors: Patrick McHardy, <kaber@trash.net>
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+ *
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+ * The first version was written by Martin Devera, <devik@cdi.cz>
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+ *
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+ * Credits: Jan Rafaj <imq2t@cedric.vabo.cz>
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+ * - Update patch to 2.4.21
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+ * Sebastian Strollo <sstrollo@nortelnetworks.com>
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+ * - Fix "Dead-loop on netdevice imq"-issue
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+ */
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+
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+#include <linux/kernel.h>
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+#include <linux/module.h>
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+#include <linux/config.h>
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+#include <linux/skbuff.h>
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+#include <linux/netdevice.h>
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+#include <linux/rtnetlink.h>
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+#include <linux/if_arp.h>
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+#include <linux/netfilter.h>
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+#include <linux/netfilter_ipv4.h>
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+#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
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+#include <linux/netfilter_ipv6.h>
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+#endif
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+#include <linux/imq.h>
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+#include <net/pkt_sched.h>
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+
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+static nf_hookfn imq_nf_hook;
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+
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+static struct nf_hook_ops imq_ingress_ipv4 = {
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+ { NULL, NULL},
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+ imq_nf_hook,
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+ PF_INET,
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+ NF_IP_PRE_ROUTING,
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+ NF_IP_PRI_MANGLE + 1
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+};
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+
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+static struct nf_hook_ops imq_egress_ipv4 = {
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+ { NULL, NULL},
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+ imq_nf_hook,
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+ PF_INET,
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+ NF_IP_POST_ROUTING,
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+ NF_IP_PRI_LAST
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+};
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+
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+#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
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+static struct nf_hook_ops imq_ingress_ipv6 = {
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+ { NULL, NULL},
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+ imq_nf_hook,
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+ PF_INET6,
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+ NF_IP6_PRE_ROUTING,
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+ NF_IP6_PRI_MANGLE + 1
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+};
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+
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+static struct nf_hook_ops imq_egress_ipv6 = {
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+ { NULL, NULL},
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+ imq_nf_hook,
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+ PF_INET6,
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+ NF_IP6_POST_ROUTING,
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+ NF_IP6_PRI_LAST
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+};
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+#endif
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+
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+static unsigned int numdevs = 2;
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+
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+MODULE_PARM(numdevs, "i");
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+MODULE_PARM_DESC(numdevs, "number of imq devices");
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+
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+static struct net_device *imq_devs;
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+
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+
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+static struct net_device_stats *imq_get_stats(struct net_device *dev)
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+{
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+ return (struct net_device_stats *)dev->priv;
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+}
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+
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+/* called for packets kfree'd in qdiscs at places other than enqueue */
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+static void imq_skb_destructor(struct sk_buff *skb)
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+{
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+ struct nf_info *info = skb->nf_info;
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+
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+ if (info) {
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+ if (info->indev)
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+ dev_put(info->indev);
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+ if (info->outdev)
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+ dev_put(info->outdev);
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+ kfree(info);
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+ }
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+}
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+
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+static int imq_dev_xmit(struct sk_buff *skb, struct net_device *dev)
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+{
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+ struct net_device_stats *stats = (struct net_device_stats*) dev->priv;
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+
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+ stats->tx_bytes += skb->len;
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+ stats->tx_packets++;
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+
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+ skb->imq_flags = 0;
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+ skb->destructor = NULL;
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+
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+ dev->trans_start = jiffies;
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+ nf_reinject(skb, skb->nf_info, NF_ACCEPT);
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+ return 0;
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+}
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+
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+static int imq_nf_queue(struct sk_buff *skb, struct nf_info *info,
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+ void *data)
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+{
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+ struct net_device *dev;
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+ struct net_device_stats *stats;
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+ struct sk_buff *skb2 = NULL;
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+ struct Qdisc *q;
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+ unsigned int index = skb->imq_flags&IMQ_F_IFMASK;
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+ int ret = -1;
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+
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+ if (index > numdevs)
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+ return -1;
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+
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+ dev = imq_devs + index;
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+ if (!(dev->flags & IFF_UP)) {
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+ skb->imq_flags = 0;
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+ nf_reinject(skb, info, NF_ACCEPT);
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+ return 0;
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+ }
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+ dev->last_rx = jiffies;
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+
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+ if (skb->destructor) {
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+ skb2 = skb;
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+ skb = skb_clone(skb, GFP_ATOMIC);
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+ if (!skb)
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+ return -1;
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+ }
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+ skb->nf_info = info;
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+
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+ stats = (struct net_device_stats *)dev->priv;
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+ stats->rx_bytes+= skb->len;
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+ stats->rx_packets++;
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+
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+ spin_lock_bh(&dev->queue_lock);
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+ q = dev->qdisc;
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+ if (q->enqueue) {
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+ q->enqueue(skb_get(skb), q);
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+ if (skb_shared(skb)) {
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+ skb->destructor = imq_skb_destructor;
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+ kfree_skb(skb);
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+ ret = 0;
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+ }
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+ }
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+ if (spin_is_locked(&dev->xmit_lock))
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+ netif_schedule(dev);
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+ else
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+ qdisc_run(dev);
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+ spin_unlock_bh(&dev->queue_lock);
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+
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+ if (skb2)
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+ kfree_skb(ret ? skb : skb2);
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+
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+ return ret;
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+}
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+
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+static unsigned int imq_nf_hook(unsigned int hook, struct sk_buff **pskb,
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+ const struct net_device *indev,
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+ const struct net_device *outdev,
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+ int (*okfn)(struct sk_buff *))
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+{
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+ if ((*pskb)->imq_flags & IMQ_F_ENQUEUE)
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+ return NF_QUEUE;
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+
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+ return NF_ACCEPT;
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+}
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+
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+
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+static int __init imq_init_hooks(void)
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+{
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+ int err;
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+
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+ if ((err = nf_register_queue_handler(PF_INET, imq_nf_queue, NULL)))
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+ goto err1;
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+ if ((err = nf_register_hook(&imq_ingress_ipv4)))
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+ goto err2;
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+ if ((err = nf_register_hook(&imq_egress_ipv4)))
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+ goto err3;
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+#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
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+ if ((err = nf_register_queue_handler(PF_INET6, imq_nf_queue, NULL)))
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+ goto err4;
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+ if ((err = nf_register_hook(&imq_ingress_ipv6)))
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+ goto err5;
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+ if ((err = nf_register_hook(&imq_egress_ipv6)))
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+ goto err6;
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+#endif
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+
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+ return 0;
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+
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+#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
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+err6:
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+ nf_unregister_hook(&imq_ingress_ipv6);
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+err5:
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+ nf_unregister_queue_handler(PF_INET6);
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+err4:
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+ nf_unregister_hook(&imq_egress_ipv4);
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+#endif
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+err3:
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+ nf_unregister_hook(&imq_ingress_ipv4);
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+err2:
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+ nf_unregister_queue_handler(PF_INET);
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+err1:
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+ return err;
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+}
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+
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+static void __exit imq_unhook(void)
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+{
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+ nf_unregister_hook(&imq_ingress_ipv4);
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+ nf_unregister_hook(&imq_egress_ipv4);
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+ nf_unregister_queue_handler(PF_INET);
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+#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
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+ nf_unregister_hook(&imq_ingress_ipv6);
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+ nf_unregister_hook(&imq_egress_ipv6);
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+ nf_unregister_queue_handler(PF_INET6);
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+#endif
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+}
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+
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+static int __init imq_dev_init(struct net_device *dev)
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+{
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+ dev->hard_start_xmit = imq_dev_xmit;
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+ dev->type = ARPHRD_VOID;
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+ dev->mtu = 1500;
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+ dev->tx_queue_len = 30;
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+ dev->flags = IFF_NOARP;
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+ dev->priv = kmalloc(sizeof(struct net_device_stats), GFP_KERNEL);
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+ if (dev->priv == NULL)
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+ return -ENOMEM;
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+ memset(dev->priv, 0, sizeof(struct net_device_stats));
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+ dev->get_stats = imq_get_stats;
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+
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+ return 0;
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+}
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+
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+static void imq_dev_uninit(struct net_device *dev)
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+{
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+ kfree(dev->priv);
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+}
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+
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+static int __init imq_init_devs(void)
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+{
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+ struct net_device *dev;
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+ int i;
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+
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+ if (!numdevs || numdevs > IMQ_MAX_DEVS) {
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+ printk(KERN_ERR "numdevs has to be betweed 1 and %u\n",
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+ IMQ_MAX_DEVS);
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+ return -EINVAL;
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+ }
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+
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+ imq_devs = kmalloc(sizeof(struct net_device) * numdevs, GFP_KERNEL);
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+ if (!imq_devs)
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+ return -ENOMEM;
|
||||
+ memset(imq_devs, 0, sizeof(struct net_device) * numdevs);
|
||||
+
|
||||
+ /* we start counting at zero */
|
||||
+ numdevs--;
|
||||
+
|
||||
+ for (i = 0, dev = imq_devs; i <= numdevs; i++, dev++) {
|
||||
+ SET_MODULE_OWNER(dev);
|
||||
+ strcpy(dev->name, "imq%d");
|
||||
+ dev->init = imq_dev_init;
|
||||
+ dev->uninit = imq_dev_uninit;
|
||||
+
|
||||
+ if (register_netdev(dev) < 0)
|
||||
+ goto err_register;
|
||||
+ }
|
||||
+ return 0;
|
||||
+
|
||||
+err_register:
|
||||
+ for (; i; i--)
|
||||
+ unregister_netdev(--dev);
|
||||
+ kfree(imq_devs);
|
||||
+ return -EIO;
|
||||
+}
|
||||
+
|
||||
+static void imq_cleanup_devs(void)
|
||||
+{
|
||||
+ int i;
|
||||
+ struct net_device *dev = imq_devs;
|
||||
+
|
||||
+ for (i = 0; i <= numdevs; i++)
|
||||
+ unregister_netdev(dev++);
|
||||
+
|
||||
+ kfree(imq_devs);
|
||||
+}
|
||||
+
|
||||
+static int __init imq_init_module(void)
|
||||
+{
|
||||
+ int err;
|
||||
+
|
||||
+ if ((err = imq_init_devs()))
|
||||
+ return err;
|
||||
+ if ((err = imq_init_hooks())) {
|
||||
+ imq_cleanup_devs();
|
||||
+ return err;
|
||||
+ }
|
||||
+
|
||||
+ printk(KERN_INFO "imq driver loaded.\n");
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static void __exit imq_cleanup_module(void)
|
||||
+{
|
||||
+ imq_unhook();
|
||||
+ imq_cleanup_devs();
|
||||
+}
|
||||
+
|
||||
+module_init(imq_init_module);
|
||||
+module_exit(imq_cleanup_module);
|
||||
+MODULE_LICENSE("GPL");
|
||||
diff -aurN linux-2.4.28-orig/include/linux/imq.h linux-2.4.28/include/linux/imq.h
|
||||
--- linux-2.4.28-orig/include/linux/imq.h 1970-01-01 00:00:00.000000000 +0000
|
||||
+++ linux-2.4.28/include/linux/imq.h 2004-12-14 11:43:42.000000000 +0000
|
||||
@@ -0,0 +1,9 @@
|
||||
+#ifndef _IMQ_H
|
||||
+#define _IMQ_H
|
||||
+
|
||||
+#define IMQ_MAX_DEVS 16
|
||||
+
|
||||
+#define IMQ_F_IFMASK 0x7f
|
||||
+#define IMQ_F_ENQUEUE 0x80
|
||||
+
|
||||
+#endif /* _IMQ_H */
|
||||
diff -aurN linux-2.4.28-orig/include/linux/netfilter_ipv4/ipt_IMQ.h linux-2.4.28/include/linux/netfilter_ipv4/ipt_IMQ.h
|
||||
--- linux-2.4.28-orig/include/linux/netfilter_ipv4/ipt_IMQ.h 1970-01-01 00:00:00.000000000 +0000
|
||||
+++ linux-2.4.28/include/linux/netfilter_ipv4/ipt_IMQ.h 2004-12-14 11:43:42.000000000 +0000
|
||||
@@ -0,0 +1,8 @@
|
||||
+#ifndef _IPT_IMQ_H
|
||||
+#define _IPT_IMQ_H
|
||||
+
|
||||
+struct ipt_imq_info {
|
||||
+ unsigned int todev; /* target imq device */
|
||||
+};
|
||||
+
|
||||
+#endif /* _IPT_IMQ_H */
|
||||
diff -aurN linux-2.4.28-orig/include/linux/netfilter_ipv6/ip6t_IMQ.h linux-2.4.28/include/linux/netfilter_ipv6/ip6t_IMQ.h
|
||||
--- linux-2.4.28-orig/include/linux/netfilter_ipv6/ip6t_IMQ.h 1970-01-01 00:00:00.000000000 +0000
|
||||
+++ linux-2.4.28/include/linux/netfilter_ipv6/ip6t_IMQ.h 2004-12-14 11:43:42.000000000 +0000
|
||||
@@ -0,0 +1,8 @@
|
||||
+#ifndef _IP6T_IMQ_H
|
||||
+#define _IP6T_IMQ_H
|
||||
+
|
||||
+struct ip6t_imq_info {
|
||||
+ unsigned int todev; /* target imq device */
|
||||
+};
|
||||
+
|
||||
+#endif /* _IP6T_IMQ_H */
|
||||
diff -aurN linux-2.4.28-orig/include/linux/skbuff.h linux-2.4.28/include/linux/skbuff.h
|
||||
--- linux-2.4.28-orig/include/linux/skbuff.h 2004-08-07 23:26:06.000000000 +0000
|
||||
+++ linux-2.4.28/include/linux/skbuff.h 2004-12-14 11:43:42.000000000 +0000
|
||||
@@ -93,6 +93,9 @@
|
||||
struct nf_conntrack *master;
|
||||
};
|
||||
#endif
|
||||
+#if defined(CONFIG_IMQ) || defined(CONFIG_IMQ_MODULE)
|
||||
+struct nf_info;
|
||||
+#endif
|
||||
|
||||
struct sk_buff_head {
|
||||
/* These two members must be first. */
|
||||
@@ -182,7 +185,7 @@
|
||||
unsigned int len; /* Length of actual data */
|
||||
unsigned int data_len;
|
||||
unsigned int csum; /* Checksum */
|
||||
- unsigned char __unused, /* Dead field, may be reused */
|
||||
+ unsigned char imq_flags, /* intermediate queueing device */
|
||||
cloned, /* head may be cloned (check refcnt to be sure). */
|
||||
pkt_type, /* Packet class */
|
||||
ip_summed; /* Driver fed us an IP checksum */
|
||||
@@ -219,6 +222,9 @@
|
||||
#ifdef CONFIG_NET_SCHED
|
||||
__u32 tc_index; /* traffic control index */
|
||||
#endif
|
||||
+#if defined(CONFIG_IMQ) || defined(CONFIG_IMQ_MODULE)
|
||||
+ struct nf_info *nf_info;
|
||||
+#endif
|
||||
};
|
||||
|
||||
#ifdef __KERNEL__
|
||||
diff -aurN linux-2.4.28-orig/net/core/skbuff.c linux-2.4.28/net/core/skbuff.c
|
||||
--- linux-2.4.28-orig/net/core/skbuff.c 2003-08-25 11:44:44.000000000 +0000
|
||||
+++ linux-2.4.28/net/core/skbuff.c 2004-12-14 11:43:42.000000000 +0000
|
||||
@@ -202,6 +202,10 @@
|
||||
/* Set up other state */
|
||||
skb->len = 0;
|
||||
skb->cloned = 0;
|
||||
+#if defined(CONFIG_IMQ) || defined (CONFIG_IMQ_MODULE)
|
||||
+ skb->imq_flags = 0;
|
||||
+ skb->nf_info = NULL;
|
||||
+#endif
|
||||
skb->data_len = 0;
|
||||
|
||||
atomic_set(&skb->users, 1);
|
||||
@@ -250,6 +254,10 @@
|
||||
#ifdef CONFIG_NET_SCHED
|
||||
skb->tc_index = 0;
|
||||
#endif
|
||||
+#if defined(CONFIG_IMQ) || defined(CONFIG_IMQ_MODULE)
|
||||
+ skb->imq_flags = 0;
|
||||
+ skb->nf_info = NULL;
|
||||
+#endif
|
||||
}
|
||||
|
||||
static void skb_drop_fraglist(struct sk_buff *skb)
|
||||
@@ -400,6 +408,10 @@
|
||||
#ifdef CONFIG_NET_SCHED
|
||||
C(tc_index);
|
||||
#endif
|
||||
+#if defined(CONFIG_IMQ) || defined(CONFIG_IMQ_MODULE)
|
||||
+ C(imq_flags);
|
||||
+ C(nf_info);
|
||||
+#endif
|
||||
|
||||
atomic_inc(&(skb_shinfo(skb)->dataref));
|
||||
skb->cloned = 1;
|
||||
@@ -444,6 +456,10 @@
|
||||
#ifdef CONFIG_NET_SCHED
|
||||
new->tc_index = old->tc_index;
|
||||
#endif
|
||||
+#if defined(CONFIG_IMQ) || defined(CONFIG_IMQ_MODULE)
|
||||
+ new->imq_flags=old->imq_flags;
|
||||
+ new->nf_info=old->nf_info;
|
||||
+#endif
|
||||
}
|
||||
|
||||
/**
|
||||
diff -aurN linux-2.4.28-orig/net/ipv4/netfilter/Config.in linux-2.4.28/net/ipv4/netfilter/Config.in
|
||||
--- linux-2.4.28-orig/net/ipv4/netfilter/Config.in 2003-08-25 11:44:44.000000000 +0000
|
||||
+++ linux-2.4.28/net/ipv4/netfilter/Config.in 2004-12-14 11:43:43.000000000 +0000
|
||||
@@ -104,6 +104,7 @@
|
||||
dep_tristate ' DSCP target support' CONFIG_IP_NF_TARGET_DSCP $CONFIG_IP_NF_MANGLE
|
||||
|
||||
dep_tristate ' MARK target support' CONFIG_IP_NF_TARGET_MARK $CONFIG_IP_NF_MANGLE
|
||||
+ dep_tristate ' IMQ target support' CONFIG_IP_NF_TARGET_IMQ $CONFIG_IP_NF_MANGLE
|
||||
fi
|
||||
dep_tristate ' LOG target support' CONFIG_IP_NF_TARGET_LOG $CONFIG_IP_NF_IPTABLES
|
||||
dep_tristate ' ULOG target support' CONFIG_IP_NF_TARGET_ULOG $CONFIG_IP_NF_IPTABLES
|
||||
diff -aurN linux-2.4.28-orig/net/ipv4/netfilter/Makefile linux-2.4.28/net/ipv4/netfilter/Makefile
|
||||
--- linux-2.4.28-orig/net/ipv4/netfilter/Makefile 2003-08-25 11:44:44.000000000 +0000
|
||||
+++ linux-2.4.28/net/ipv4/netfilter/Makefile 2004-12-14 11:43:43.000000000 +0000
|
||||
@@ -94,6 +94,7 @@
|
||||
obj-$(CONFIG_IP_NF_TARGET_ECN) += ipt_ECN.o
|
||||
obj-$(CONFIG_IP_NF_TARGET_DSCP) += ipt_DSCP.o
|
||||
obj-$(CONFIG_IP_NF_TARGET_MARK) += ipt_MARK.o
|
||||
+obj-$(CONFIG_IP_NF_TARGET_IMQ) += ipt_IMQ.o
|
||||
obj-$(CONFIG_IP_NF_TARGET_MASQUERADE) += ipt_MASQUERADE.o
|
||||
obj-$(CONFIG_IP_NF_TARGET_REDIRECT) += ipt_REDIRECT.o
|
||||
obj-$(CONFIG_IP_NF_NAT_SNMP_BASIC) += ip_nat_snmp_basic.o
|
||||
diff -aurN linux-2.4.28-orig/net/ipv4/netfilter/ipt_IMQ.c linux-2.4.28/net/ipv4/netfilter/ipt_IMQ.c
|
||||
--- linux-2.4.28-orig/net/ipv4/netfilter/ipt_IMQ.c 1970-01-01 00:00:00.000000000 +0000
|
||||
+++ linux-2.4.28/net/ipv4/netfilter/ipt_IMQ.c 2004-12-14 11:43:43.000000000 +0000
|
||||
@@ -0,0 +1,78 @@
|
||||
+/* This target marks packets to be enqueued to an imq device */
|
||||
+#include <linux/module.h>
|
||||
+#include <linux/skbuff.h>
|
||||
+#include <linux/netfilter_ipv4/ip_tables.h>
|
||||
+#include <linux/netfilter_ipv4/ipt_IMQ.h>
|
||||
+#include <linux/imq.h>
|
||||
+
|
||||
+static unsigned int imq_target(struct sk_buff **pskb,
|
||||
+ unsigned int hooknum,
|
||||
+ const struct net_device *in,
|
||||
+ const struct net_device *out,
|
||||
+ const void *targinfo,
|
||||
+ void *userinfo)
|
||||
+{
|
||||
+ struct ipt_imq_info *mr = (struct ipt_imq_info*)targinfo;
|
||||
+
|
||||
+ (*pskb)->imq_flags = mr->todev | IMQ_F_ENQUEUE;
|
||||
+ (*pskb)->nfcache |= NFC_ALTERED;
|
||||
+
|
||||
+ return IPT_CONTINUE;
|
||||
+}
|
||||
+
|
||||
+static int imq_checkentry(const char *tablename,
|
||||
+ const struct ipt_entry *e,
|
||||
+ void *targinfo,
|
||||
+ unsigned int targinfosize,
|
||||
+ unsigned int hook_mask)
|
||||
+{
|
||||
+ struct ipt_imq_info *mr;
|
||||
+
|
||||
+ if (targinfosize != IPT_ALIGN(sizeof(struct ipt_imq_info))) {
|
||||
+ printk(KERN_WARNING "IMQ: invalid targinfosize\n");
|
||||
+ return 0;
|
||||
+ }
|
||||
+ mr = (struct ipt_imq_info*)targinfo;
|
||||
+
|
||||
+ if (strcmp(tablename, "mangle") != 0) {
|
||||
+ printk(KERN_WARNING
|
||||
+ "IMQ: IMQ can only be called from \"mangle\" table, not \"%s\"\n",
|
||||
+ tablename);
|
||||
+ return 0;
|
||||
+ }
|
||||
+
|
||||
+ if (mr->todev > IMQ_MAX_DEVS) {
|
||||
+ printk(KERN_WARNING
|
||||
+ "IMQ: invalid device specified, highest is %u\n",
|
||||
+ IMQ_MAX_DEVS);
|
||||
+ return 0;
|
||||
+ }
|
||||
+
|
||||
+ return 1;
|
||||
+}
|
||||
+
|
||||
+static struct ipt_target ipt_imq_reg = {
|
||||
+ { NULL, NULL},
|
||||
+ "IMQ",
|
||||
+ imq_target,
|
||||
+ imq_checkentry,
|
||||
+ NULL,
|
||||
+ THIS_MODULE
|
||||
+};
|
||||
+
|
||||
+static int __init init(void)
|
||||
+{
|
||||
+ if (ipt_register_target(&ipt_imq_reg))
|
||||
+ return -EINVAL;
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static void __exit fini(void)
|
||||
+{
|
||||
+ ipt_unregister_target(&ipt_imq_reg);
|
||||
+}
|
||||
+
|
||||
+module_init(init);
|
||||
+module_exit(fini);
|
||||
+MODULE_LICENSE("GPL");
|
||||
diff -aurN linux-2.4.28-orig/net/ipv6/netfilter/Config.in linux-2.4.28/net/ipv6/netfilter/Config.in
|
||||
--- linux-2.4.28-orig/net/ipv6/netfilter/Config.in 2003-06-13 14:51:39.000000000 +0000
|
||||
+++ linux-2.4.28/net/ipv6/netfilter/Config.in 2004-12-14 11:43:43.000000000 +0000
|
||||
@@ -71,6 +71,7 @@
|
||||
if [ "$CONFIG_IP6_NF_MANGLE" != "n" ]; then
|
||||
# dep_tristate ' TOS target support' CONFIG_IP6_NF_TARGET_TOS $CONFIG_IP_NF_MANGLE
|
||||
dep_tristate ' MARK target support' CONFIG_IP6_NF_TARGET_MARK $CONFIG_IP6_NF_MANGLE
|
||||
+ dep_tristate ' IMQ target support' CONFIG_IP6_NF_TARGET_IMQ $CONFIG_IP6_NF_MANGLE
|
||||
fi
|
||||
#dep_tristate ' LOG target support' CONFIG_IP6_NF_TARGET_LOG $CONFIG_IP6_NF_IPTABLES
|
||||
fi
|
||||
diff -aurN linux-2.4.28-orig/net/ipv6/netfilter/Makefile linux-2.4.28/net/ipv6/netfilter/Makefile
|
||||
--- linux-2.4.28-orig/net/ipv6/netfilter/Makefile 2003-06-13 14:51:39.000000000 +0000
|
||||
+++ linux-2.4.28/net/ipv6/netfilter/Makefile 2004-12-14 11:43:43.000000000 +0000
|
||||
@@ -28,6 +28,7 @@
|
||||
obj-$(CONFIG_IP6_NF_FILTER) += ip6table_filter.o
|
||||
obj-$(CONFIG_IP6_NF_MANGLE) += ip6table_mangle.o
|
||||
obj-$(CONFIG_IP6_NF_TARGET_MARK) += ip6t_MARK.o
|
||||
+obj-$(CONFIG_IP6_NF_TARGET_IMQ) += ip6t_IMQ.o
|
||||
obj-$(CONFIG_IP6_NF_QUEUE) += ip6_queue.o
|
||||
obj-$(CONFIG_IP6_NF_TARGET_LOG) += ip6t_LOG.o
|
||||
obj-$(CONFIG_IP6_NF_MATCH_HL) += ip6t_hl.o
|
||||
diff -aurN linux-2.4.28-orig/net/ipv6/netfilter/ip6t_IMQ.c linux-2.4.28/net/ipv6/netfilter/ip6t_IMQ.c
|
||||
--- linux-2.4.28-orig/net/ipv6/netfilter/ip6t_IMQ.c 1970-01-01 00:00:00.000000000 +0000
|
||||
+++ linux-2.4.28/net/ipv6/netfilter/ip6t_IMQ.c 2004-12-14 11:43:43.000000000 +0000
|
||||
@@ -0,0 +1,78 @@
|
||||
+/* This target marks packets to be enqueued to an imq device */
|
||||
+#include <linux/module.h>
|
||||
+#include <linux/skbuff.h>
|
||||
+#include <linux/netfilter_ipv6/ip6_tables.h>
|
||||
+#include <linux/netfilter_ipv6/ip6t_IMQ.h>
|
||||
+#include <linux/imq.h>
|
||||
+
|
||||
+static unsigned int imq_target(struct sk_buff **pskb,
|
||||
+ unsigned int hooknum,
|
||||
+ const struct net_device *in,
|
||||
+ const struct net_device *out,
|
||||
+ const void *targinfo,
|
||||
+ void *userinfo)
|
||||
+{
|
||||
+ struct ip6t_imq_info *mr = (struct ip6t_imq_info*)targinfo;
|
||||
+
|
||||
+ (*pskb)->imq_flags = mr->todev | IMQ_F_ENQUEUE;
|
||||
+ (*pskb)->nfcache |= NFC_ALTERED;
|
||||
+
|
||||
+ return IP6T_CONTINUE;
|
||||
+}
|
||||
+
|
||||
+static int imq_checkentry(const char *tablename,
|
||||
+ const struct ip6t_entry *e,
|
||||
+ void *targinfo,
|
||||
+ unsigned int targinfosize,
|
||||
+ unsigned int hook_mask)
|
||||
+{
|
||||
+ struct ip6t_imq_info *mr;
|
||||
+
|
||||
+ if (targinfosize != IP6T_ALIGN(sizeof(struct ip6t_imq_info))) {
|
||||
+ printk(KERN_WARNING "IMQ: invalid targinfosize\n");
|
||||
+ return 0;
|
||||
+ }
|
||||
+ mr = (struct ip6t_imq_info*)targinfo;
|
||||
+
|
||||
+ if (strcmp(tablename, "mangle") != 0) {
|
||||
+ printk(KERN_WARNING
|
||||
+ "IMQ: IMQ can only be called from \"mangle\" table, not \"%s\"\n",
|
||||
+ tablename);
|
||||
+ return 0;
|
||||
+ }
|
||||
+
|
||||
+ if (mr->todev > IMQ_MAX_DEVS) {
|
||||
+ printk(KERN_WARNING
|
||||
+ "IMQ: invalid device specified, highest is %u\n",
|
||||
+ IMQ_MAX_DEVS);
|
||||
+ return 0;
|
||||
+ }
|
||||
+
|
||||
+ return 1;
|
||||
+}
|
||||
+
|
||||
+static struct ip6t_target ip6t_imq_reg = {
|
||||
+ { NULL, NULL},
|
||||
+ "IMQ",
|
||||
+ imq_target,
|
||||
+ imq_checkentry,
|
||||
+ NULL,
|
||||
+ THIS_MODULE
|
||||
+};
|
||||
+
|
||||
+static int __init init(void)
|
||||
+{
|
||||
+ if (ip6t_register_target(&ip6t_imq_reg))
|
||||
+ return -EINVAL;
|
||||
+
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
+static void __exit fini(void)
|
||||
+{
|
||||
+ ip6t_unregister_target(&ip6t_imq_reg);
|
||||
+}
|
||||
+
|
||||
+module_init(init);
|
||||
+module_exit(fini);
|
||||
+MODULE_LICENSE("GPL");
|
||||
diff -aurN linux-2.4.28-orig/net/sched/sch_generic.c linux-2.4.28/net/sched/sch_generic.c
|
||||
--- linux-2.4.28-orig/net/sched/sch_generic.c 2004-11-17 11:54:22.000000000 +0000
|
||||
+++ linux-2.4.28/net/sched/sch_generic.c 2004-12-14 11:44:27.000000000 +0000
|
||||
@@ -29,6 +29,9 @@
|
||||
#include <linux/skbuff.h>
|
||||
#include <linux/rtnetlink.h>
|
||||
#include <linux/init.h>
|
||||
+#if defined(CONFIG_IMQ) || defined(CONFIG_IMQ_MODULE)
|
||||
+#include <linux/imq.h>
|
||||
+#endif
|
||||
#include <linux/list.h>
|
||||
#include <net/sock.h>
|
||||
#include <net/pkt_sched.h>
|
||||
@@ -90,7 +93,11 @@
|
||||
spin_unlock(&dev->queue_lock);
|
||||
|
||||
if (!netif_queue_stopped(dev)) {
|
||||
- if (netdev_nit)
|
||||
+ if (netdev_nit
|
||||
+#if defined(CONFIG_IMQ) || defined(CONFIG_IMQ_MODULE)
|
||||
+ && !(skb->imq_flags & IMQ_F_ENQUEUE)
|
||||
+#endif
|
||||
+ )
|
||||
dev_queue_xmit_nit(skb, dev);
|
||||
|
||||
if (dev->hard_start_xmit(skb, dev) == 0) {
|
||||
Loading…
Reference in New Issue
Block a user