diff options
Diffstat (limited to 'target/linux/generic-2.6/patches-2.6.25/150-netfilter_imq.patch')
-rw-r--r-- | target/linux/generic-2.6/patches-2.6.25/150-netfilter_imq.patch | 914 |
1 files changed, 0 insertions, 914 deletions
diff --git a/target/linux/generic-2.6/patches-2.6.25/150-netfilter_imq.patch b/target/linux/generic-2.6/patches-2.6.25/150-netfilter_imq.patch deleted file mode 100644 index 5fcef0a7d..000000000 --- a/target/linux/generic-2.6/patches-2.6.25/150-netfilter_imq.patch +++ /dev/null @@ -1,914 +0,0 @@ ---- /dev/null -+++ b/drivers/net/imq.c -@@ -0,0 +1,474 @@ -+/* -+ * Pseudo-driver for the intermediate queue device. -+ * -+ * 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: Patrick McHardy, <kaber@trash.net> -+ * -+ * The first version was written by Martin Devera, <devik@cdi.cz> -+ * -+ * Credits: Jan Rafaj <imq2t@cedric.vabo.cz> -+ * - Update patch to 2.4.21 -+ * Sebastian Strollo <sstrollo@nortelnetworks.com> -+ * - Fix "Dead-loop on netdevice imq"-issue -+ * Marcel Sebek <sebek64@post.cz> -+ * - Update to 2.6.2-rc1 -+ * -+ * After some time of inactivity there is a group taking care -+ * of IMQ again: http://www.linuximq.net -+ * -+ * -+ * 2004/06/30 - New version of IMQ patch to kernels <=2.6.7 -+ * including the following changes: -+ * -+ * - Correction of ipv6 support "+"s issue (Hasso Tepper) -+ * - Correction of imq_init_devs() issue that resulted in -+ * kernel OOPS unloading IMQ as module (Norbert Buchmuller) -+ * - Addition of functionality to choose number of IMQ devices -+ * during kernel config (Andre Correa) -+ * - Addition of functionality to choose how IMQ hooks on -+ * PRE and POSTROUTING (after or before NAT) (Andre Correa) -+ * - Cosmetic corrections (Norbert Buchmuller) (Andre Correa) -+ * -+ * -+ * 2005/12/16 - IMQ versions between 2.6.7 and 2.6.13 were -+ * released with almost no problems. 2.6.14-x was released -+ * with some important changes: nfcache was removed; After -+ * some weeks of trouble we figured out that some IMQ fields -+ * in skb were missing in skbuff.c - skb_clone and copy_skb_header. -+ * These functions are correctly patched by this new patch version. -+ * -+ * Thanks for all who helped to figure out all the problems with -+ * 2.6.14.x: Patrick McHardy, Rune Kock, VeNoMouS, Max CtRiX, -+ * Kevin Shanahan, Richard Lucassen, Valery Dachev (hopefully -+ * I didn't forget anybody). I apologize again for my lack of time. -+ * -+ * -+ * 2008/06/17 - 2.6.25 - Changed imq.c to use qdisc_run() instead -+ * of qdisc_restart() and moved qdisc_run() to tasklet to avoid -+ * recursive locking. New initialization routines to fix 'rmmod' not -+ * working anymore. Used code from ifb.c. (Jussi Kivilinna) -+ * -+ * Also, many thanks to pablo Sebastian Greco for making the initial -+ * patch and to those who helped the testing. -+ * -+ * More info at: http://www.linuximq.net/ (Andre Correa) -+ */ -+ -+#include <linux/module.h> -+#include <linux/kernel.h> -+#include <linux/moduleparam.h> -+#include <linux/skbuff.h> -+#include <linux/netdevice.h> -+#include <linux/rtnetlink.h> -+#include <linux/if_arp.h> -+#include <linux/netfilter.h> -+#include <linux/netfilter_ipv4.h> -+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) -+ #include <linux/netfilter_ipv6.h> -+#endif -+#include <linux/imq.h> -+#include <net/pkt_sched.h> -+#include <net/netfilter/nf_queue.h> -+ -+struct imq_private { -+ struct tasklet_struct tasklet; -+ unsigned long tasklet_pending; -+}; -+ -+static nf_hookfn imq_nf_hook; -+ -+static struct nf_hook_ops imq_ingress_ipv4 = { -+ .hook = imq_nf_hook, -+ .owner = THIS_MODULE, -+ .pf = PF_INET, -+ .hooknum = NF_INET_PRE_ROUTING, -+#if defined(CONFIG_IMQ_BEHAVIOR_BA) || defined(CONFIG_IMQ_BEHAVIOR_BB) -+ .priority = NF_IP_PRI_MANGLE + 1 -+#else -+ .priority = NF_IP_PRI_NAT_DST + 1 -+#endif -+}; -+ -+static struct nf_hook_ops imq_egress_ipv4 = { -+ .hook = imq_nf_hook, -+ .owner = THIS_MODULE, -+ .pf = PF_INET, -+ .hooknum = NF_INET_POST_ROUTING, -+#if defined(CONFIG_IMQ_BEHAVIOR_AA) || defined(CONFIG_IMQ_BEHAVIOR_BA) -+ .priority = NF_IP_PRI_LAST -+#else -+ .priority = NF_IP_PRI_NAT_SRC - 1 -+#endif -+}; -+ -+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) -+static struct nf_hook_ops imq_ingress_ipv6 = { -+ .hook = imq_nf_hook, -+ .owner = THIS_MODULE, -+ .pf = PF_INET6, -+ .hooknum = NF_INET_PRE_ROUTING, -+#if defined(CONFIG_IMQ_BEHAVIOR_BA) || defined(CONFIG_IMQ_BEHAVIOR_BB) -+ .priority = NF_IP6_PRI_MANGLE + 1 -+#else -+ .priority = NF_IP6_PRI_NAT_DST + 1 -+#endif -+}; -+ -+static struct nf_hook_ops imq_egress_ipv6 = { -+ .hook = imq_nf_hook, -+ .owner = THIS_MODULE, -+ .pf = PF_INET6, -+ .hooknum = NF_INET_POST_ROUTING, -+#if defined(CONFIG_IMQ_BEHAVIOR_AA) || defined(CONFIG_IMQ_BEHAVIOR_BA) -+ .priority = NF_IP6_PRI_LAST -+#else -+ .priority = NF_IP6_PRI_NAT_SRC - 1 -+#endif -+}; -+#endif -+ -+#if defined(CONFIG_IMQ_NUM_DEVS) -+static unsigned int numdevs = CONFIG_IMQ_NUM_DEVS; -+#else -+static unsigned int numdevs = IMQ_MAX_DEVS; -+#endif -+ -+static struct net_device *imq_devs_cache[IMQ_MAX_DEVS]; -+ -+static struct net_device_stats *imq_get_stats(struct net_device *dev) -+{ -+ return &dev->stats; -+} -+ -+/* called for packets kfree'd in qdiscs at places other than enqueue */ -+static void imq_skb_destructor(struct sk_buff *skb) -+{ -+ struct nf_queue_entry *entry = skb->nf_queue_entry; -+ -+ if (entry) { -+ if (entry->indev) -+ dev_put(entry->indev); -+ if (entry->outdev) -+ dev_put(entry->outdev); -+ kfree(entry); -+ } -+} -+ -+static int imq_dev_xmit(struct sk_buff *skb, struct net_device *dev) -+{ -+ dev->stats.tx_bytes += skb->len; -+ dev->stats.tx_packets++; -+ -+ skb->imq_flags = 0; -+ skb->destructor = NULL; -+ -+ dev->trans_start = jiffies; -+ nf_reinject(skb->nf_queue_entry, NF_ACCEPT); -+ return 0; -+} -+ -+static int imq_nf_queue(struct nf_queue_entry *entry, unsigned queue_num) -+{ -+ struct net_device *dev; -+ struct imq_private *priv; -+ struct sk_buff *skb2 = NULL; -+ struct Qdisc *q; -+ unsigned int index = entry->skb->imq_flags & IMQ_F_IFMASK; -+ int ret = -1; -+ -+ if (index > numdevs) -+ return -1; -+ -+ /* check for imq device by index from cache */ -+ dev = imq_devs_cache[index]; -+ if (!dev) { -+ char buf[8]; -+ -+ /* get device by name and cache result */ -+ snprintf(buf, sizeof(buf), "imq%d", index); -+ dev = dev_get_by_name(&init_net, buf); -+ if (!dev) { -+ /* not found ?!*/ -+ BUG(); -+ return -1; -+ } -+ -+ imq_devs_cache[index] = dev; -+ } -+ -+ priv = netdev_priv(dev); -+ if (!(dev->flags & IFF_UP)) { -+ entry->skb->imq_flags = 0; -+ nf_reinject(entry, NF_ACCEPT); -+ return 0; -+ } -+ dev->last_rx = jiffies; -+ -+ if (entry->skb->destructor) { -+ skb2 = entry->skb; -+ entry->skb = skb_clone(entry->skb, GFP_ATOMIC); -+ if (!entry->skb) -+ return -1; -+ } -+ entry->skb->nf_queue_entry = entry; -+ -+ dev->stats.rx_bytes += entry->skb->len; -+ dev->stats.rx_packets++; -+ -+ spin_lock_bh(&dev->queue_lock); -+ q = dev->qdisc; -+ if (q->enqueue) { -+ q->enqueue(skb_get(entry->skb), q); -+ if (skb_shared(entry->skb)) { -+ entry->skb->destructor = imq_skb_destructor; -+ kfree_skb(entry->skb); -+ ret = 0; -+ } -+ } -+ if (!test_and_set_bit(1, &priv->tasklet_pending)) -+ tasklet_schedule(&priv->tasklet); -+ spin_unlock_bh(&dev->queue_lock); -+ -+ if (skb2) -+ kfree_skb(ret ? entry->skb : skb2); -+ -+ return ret; -+} -+ -+static struct nf_queue_handler nfqh = { -+ .name = "imq", -+ .outfn = imq_nf_queue, -+}; -+ -+static void qdisc_run_tasklet(unsigned long arg) -+{ -+ struct net_device *dev = (struct net_device *)arg; -+ struct imq_private *priv = netdev_priv(dev); -+ -+ spin_lock(&dev->queue_lock); -+ qdisc_run(dev); -+ clear_bit(1, &priv->tasklet_pending); -+ spin_unlock(&dev->queue_lock); -+} -+ -+static unsigned int imq_nf_hook(unsigned int hook, struct sk_buff *pskb, -+ const struct net_device *indev, -+ const struct net_device *outdev, -+ int (*okfn)(struct sk_buff *)) -+{ -+ if (pskb->imq_flags & IMQ_F_ENQUEUE) -+ return NF_QUEUE; -+ -+ return NF_ACCEPT; -+} -+ -+static int imq_close(struct net_device *dev) -+{ -+ struct imq_private *priv = netdev_priv(dev); -+ -+ tasklet_kill(&priv->tasklet); -+ netif_stop_queue(dev); -+ -+ return 0; -+} -+ -+static int imq_open(struct net_device *dev) -+{ -+ struct imq_private *priv = netdev_priv(dev); -+ -+ tasklet_init(&priv->tasklet, qdisc_run_tasklet, (unsigned long)dev); -+ netif_start_queue(dev); -+ -+ return 0; -+} -+ -+static void imq_setup(struct net_device *dev) -+{ -+ dev->hard_start_xmit = imq_dev_xmit; -+ dev->open = imq_open; -+ dev->get_stats = imq_get_stats; -+ dev->stop = imq_close; -+ dev->type = ARPHRD_VOID; -+ dev->mtu = 16000; -+ dev->tx_queue_len = 11000; -+ dev->flags = IFF_NOARP; -+} -+ -+static struct rtnl_link_ops imq_link_ops __read_mostly = { -+ .kind = "imq", -+ .priv_size = sizeof(struct imq_private), -+ .setup = imq_setup, -+}; -+ -+static int __init imq_init_hooks(void) -+{ -+ int err; -+ -+ err = nf_register_queue_handler(PF_INET, &nfqh); -+ if (err) -+ goto err1; -+ -+ err = nf_register_hook(&imq_ingress_ipv4); -+ if (err) -+ goto err2; -+ -+ err = nf_register_hook(&imq_egress_ipv4); -+ if (err) -+ goto err3; -+ -+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) -+ err = nf_register_queue_handler(PF_INET6, &nfqh); -+ if (err) -+ goto err4; -+ -+ err = nf_register_hook(&imq_ingress_ipv6); -+ if (err) -+ goto err5; -+ -+ err = nf_register_hook(&imq_egress_ipv6); -+ if (err) -+ goto err6; -+#endif -+ -+ return 0; -+ -+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) -+err6: -+ nf_unregister_hook(&imq_ingress_ipv6); -+err5: -+ nf_unregister_queue_handler(PF_INET6, &nfqh); -+err4: -+ nf_unregister_hook(&imq_egress_ipv4); -+#endif -+err3: -+ nf_unregister_hook(&imq_ingress_ipv4); -+err2: -+ nf_unregister_queue_handler(PF_INET, &nfqh); -+err1: -+ return err; -+} -+ -+static int __init imq_init_one(int index) -+{ -+ struct net_device *dev; -+ int ret; -+ -+ dev = alloc_netdev(sizeof(struct imq_private), "imq%d", imq_setup); -+ if (!dev) -+ return -ENOMEM; -+ -+ ret = dev_alloc_name(dev, dev->name); -+ if (ret < 0) -+ goto fail; -+ -+ dev->rtnl_link_ops = &imq_link_ops; -+ ret = register_netdevice(dev); -+ if (ret < 0) -+ goto fail; -+ -+ return 0; -+fail: -+ free_netdev(dev); -+ return ret; -+} -+ -+static int __init imq_init_devs(void) -+{ -+ int err, i; -+ -+ if (!numdevs || numdevs > IMQ_MAX_DEVS) { -+ printk(KERN_ERR "IMQ: numdevs has to be betweed 1 and %u\n", -+ IMQ_MAX_DEVS); -+ return -EINVAL; -+ } -+ -+ rtnl_lock(); -+ err = __rtnl_link_register(&imq_link_ops); -+ -+ for (i = 0; i < numdevs && !err; i++) -+ err = imq_init_one(i); -+ -+ if (err) { -+ __rtnl_link_unregister(&imq_link_ops); -+ memset(imq_devs_cache, 0, sizeof(imq_devs_cache)); -+ } -+ rtnl_unlock(); -+ -+ return err; -+} -+ -+static int __init imq_init_module(void) -+{ -+ int err; -+ -+ err = imq_init_devs(); -+ if (err) { -+ printk(KERN_ERR "IMQ: Error trying imq_init_devs(net)\n"); -+ return err; -+ } -+ -+ err = imq_init_hooks(); -+ if (err) { -+ printk(KERN_ERR "IMQ: Error trying imq_init_hooks()\n"); -+ rtnl_link_unregister(&imq_link_ops); -+ memset(imq_devs_cache, 0, sizeof(imq_devs_cache)); -+ return err; -+ } -+ -+ printk(KERN_INFO "IMQ driver loaded successfully.\n"); -+ -+#if defined(CONFIG_IMQ_BEHAVIOR_BA) || defined(CONFIG_IMQ_BEHAVIOR_BB) -+ printk(KERN_INFO "\tHooking IMQ before NAT on PREROUTING.\n"); -+#else -+ printk(KERN_INFO "\tHooking IMQ after NAT on PREROUTING.\n"); -+#endif -+#if defined(CONFIG_IMQ_BEHAVIOR_AB) || defined(CONFIG_IMQ_BEHAVIOR_BB) -+ printk(KERN_INFO "\tHooking IMQ before NAT on POSTROUTING.\n"); -+#else -+ printk(KERN_INFO "\tHooking IMQ after NAT on POSTROUTING.\n"); -+#endif -+ -+ return 0; -+} -+ -+static void __exit imq_unhook(void) -+{ -+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) -+ nf_unregister_hook(&imq_ingress_ipv6); -+ nf_unregister_hook(&imq_egress_ipv6); -+ nf_unregister_queue_handler(PF_INET6, &nfqh); -+#endif -+ nf_unregister_hook(&imq_ingress_ipv4); -+ nf_unregister_hook(&imq_egress_ipv4); -+ nf_unregister_queue_handler(PF_INET, &nfqh); -+} -+ -+static void __exit imq_cleanup_devs(void) -+{ -+ rtnl_link_unregister(&imq_link_ops); -+ memset(imq_devs_cache, 0, sizeof(imq_devs_cache)); -+} -+ -+static void __exit imq_exit_module(void) -+{ -+ imq_unhook(); -+ imq_cleanup_devs(); -+ printk(KERN_INFO "IMQ driver unloaded successfully.\n"); -+} -+ -+module_init(imq_init_module); -+module_exit(imq_exit_module); -+ -+module_param(numdevs, int, 0); -+MODULE_PARM_DESC(numdevs, "number of IMQ devices (how many imq* devices will " -+ "be created)"); -+MODULE_AUTHOR("http://www.linuximq.net"); -+MODULE_DESCRIPTION("Pseudo-driver for the intermediate queue device. See " -+ "http://www.linuximq.net/ for more information."); -+MODULE_LICENSE("GPL"); -+MODULE_ALIAS_RTNL_LINK("imq"); -+ ---- a/drivers/net/Kconfig -+++ b/drivers/net/Kconfig -@@ -117,6 +117,129 @@ config EQUALIZER - To compile this driver as a module, choose M here: the module - will be called eql. If unsure, say N. - -+config IMQ -+ tristate "IMQ (intermediate queueing device) support" -+ depends on NETDEVICES && NETFILTER -+ ---help--- -+ The IMQ device(s) is used as placeholder for QoS queueing -+ disciplines. Every packet entering/leaving the IP stack can be -+ directed through the IMQ device where it's enqueued/dequeued to the -+ attached qdisc. This allows you to treat network devices as classes -+ and distribute bandwidth among them. Iptables is used to specify -+ through which IMQ device, if any, packets travel. -+ -+ More information at: http://www.linuximq.net/ -+ -+ To compile this driver as a module, choose M here: the module -+ will be called imq. If unsure, say N. -+ -+choice -+ prompt "IMQ behavior (PRE/POSTROUTING)" -+ depends on IMQ -+ default IMQ_BEHAVIOR_AB -+ help -+ -+ This settings defines how IMQ behaves in respect to its -+ hooking in PREROUTING and POSTROUTING. -+ -+ IMQ can work in any of the following ways: -+ -+ PREROUTING | POSTROUTING -+ -----------------|------------------- -+ #1 After NAT | After NAT -+ #2 After NAT | Before NAT -+ #3 Before NAT | After NAT -+ #4 Before NAT | Before NAT -+ -+ The default behavior is to hook before NAT on PREROUTING -+ and after NAT on POSTROUTING (#3). -+ -+ This settings are specially usefull when trying to use IMQ -+ to shape NATed clients. -+ -+ More information can be found at: www.linuximq.net -+ -+ If not sure leave the default settings alone. -+ -+config IMQ_BEHAVIOR_AA -+ bool "IMQ AA" -+ help -+ This settings defines how IMQ behaves in respect to its -+ hooking in PREROUTING and POSTROUTING. -+ -+ Choosing this option will make IMQ hook like this: -+ -+ PREROUTING: After NAT -+ POSTROUTING: After NAT -+ -+ More information can be found at: www.linuximq.net -+ -+ If not sure leave the default settings alone. -+ -+config IMQ_BEHAVIOR_AB -+ bool "IMQ AB" -+ help -+ This settings defines how IMQ behaves in respect to its -+ hooking in PREROUTING and POSTROUTING. -+ -+ Choosing this option will make IMQ hook like this: -+ -+ PREROUTING: After NAT -+ POSTROUTING: Before NAT -+ -+ More information can be found at: www.linuximq.net -+ -+ If not sure leave the default settings alone. -+ -+config IMQ_BEHAVIOR_BA -+ bool "IMQ BA" -+ help -+ This settings defines how IMQ behaves in respect to its -+ hooking in PREROUTING and POSTROUTING. -+ -+ Choosing this option will make IMQ hook like this: -+ -+ PREROUTING: Before NAT -+ POSTROUTING: After NAT -+ -+ More information can be found at: www.linuximq.net -+ -+ If not sure leave the default settings alone. -+ -+config IMQ_BEHAVIOR_BB -+ bool "IMQ BB" -+ help -+ This settings defines how IMQ behaves in respect to its -+ hooking in PREROUTING and POSTROUTING. -+ -+ Choosing this option will make IMQ hook like this: -+ -+ PREROUTING: Before NAT -+ POSTROUTING: Before NAT -+ -+ More information can be found at: www.linuximq.net -+ -+ If not sure leave the default settings alone. -+ -+endchoice -+ -+config IMQ_NUM_DEVS -+ -+ int "Number of IMQ devices" -+ range 2 16 -+ depends on IMQ -+ default "16" -+ help -+ -+ This settings defines how many IMQ devices will be -+ created. -+ -+ The default value is 16. -+ -+ More information can be found at: www.linuximq.net -+ -+ If not sure leave the default settings alone. -+ - config TUN - tristate "Universal TUN/TAP device driver support" - select CRC32 ---- a/drivers/net/Makefile -+++ b/drivers/net/Makefile -@@ -143,6 +143,7 @@ obj-$(CONFIG_SLHC) += slhc.o - obj-$(CONFIG_XEN_NETDEV_FRONTEND) += xen-netfront.o - - obj-$(CONFIG_DUMMY) += dummy.o -+obj-$(CONFIG_IMQ) += imq.o - obj-$(CONFIG_IFB) += ifb.o - obj-$(CONFIG_MACVLAN) += macvlan.o - obj-$(CONFIG_DE600) += de600.o ---- /dev/null -+++ b/include/linux/imq.h -@@ -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 */ ---- /dev/null -+++ b/include/linux/netfilter_ipv4/ipt_IMQ.h -@@ -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 */ ---- /dev/null -+++ b/include/linux/netfilter_ipv6/ip6t_IMQ.h -@@ -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 */ ---- a/include/linux/skbuff.h -+++ b/include/linux/skbuff.h -@@ -296,6 +296,10 @@ struct sk_buff { - struct nf_conntrack *nfct; - struct sk_buff *nfct_reasm; - #endif -+#if defined(CONFIG_IMQ) || defined(CONFIG_IMQ_MODULE) -+ unsigned char imq_flags; -+ struct nf_queue_entry *nf_queue_entry; -+#endif - #ifdef CONFIG_BRIDGE_NETFILTER - struct nf_bridge_info *nf_bridge; - #endif -@@ -1736,6 +1740,10 @@ static inline void __nf_copy(struct sk_b - dst->nfct_reasm = src->nfct_reasm; - nf_conntrack_get_reasm(src->nfct_reasm); - #endif -+#if defined(CONFIG_IMQ) || defined(CONFIG_IMQ_MODULE) -+ dst->imq_flags = src->imq_flags; -+ dst->nf_queue_entry = src->nf_queue_entry; -+#endif - #ifdef CONFIG_BRIDGE_NETFILTER - dst->nf_bridge = src->nf_bridge; - nf_bridge_get(src->nf_bridge); ---- a/net/core/dev.c -+++ b/net/core/dev.c -@@ -95,6 +95,9 @@ - #include <net/net_namespace.h> - #include <net/sock.h> - #include <linux/rtnetlink.h> -+#if defined(CONFIG_IMQ) || defined(CONFIG_IMQ_MODULE) -+#include <linux/imq.h> -+#endif - #include <linux/proc_fs.h> - #include <linux/seq_file.h> - #include <linux/stat.h> -@@ -1537,7 +1540,11 @@ static int dev_gso_segment(struct sk_buf - int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) - { - if (likely(!skb->next)) { -- if (!list_empty(&ptype_all)) -+ if (!list_empty(&ptype_all) -+#if defined(CONFIG_IMQ) || defined(CONFIG_IMQ_MODULE) -+ && !(skb->imq_flags & IMQ_F_ENQUEUE) -+#endif -+ ) - dev_queue_xmit_nit(skb, dev); - - if (netif_needs_gso(dev, skb)) { ---- /dev/null -+++ b/net/ipv4/netfilter/ipt_IMQ.c -@@ -0,0 +1,69 @@ -+/* -+ * 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, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const struct xt_target *target, -+ const void *targinfo) -+{ -+ struct ipt_imq_info *mr = (struct ipt_imq_info *)targinfo; -+ -+ pskb->imq_flags = mr->todev | IMQ_F_ENQUEUE; -+ -+ return XT_CONTINUE; -+} -+ -+static bool imq_checkentry(const char *tablename, -+ const void *e, -+ const struct xt_target *target, -+ void *targinfo, -+ unsigned int hook_mask) -+{ -+ struct ipt_imq_info *mr; -+ -+ mr = (struct ipt_imq_info *)targinfo; -+ -+ 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 xt_target ipt_imq_reg = { -+ .name = "IMQ", -+ .family = AF_INET, -+ .target = imq_target, -+ .targetsize = sizeof(struct ipt_imq_info), -+ .checkentry = imq_checkentry, -+ .me = THIS_MODULE, -+ .table = "mangle" -+}; -+ -+static int __init init(void) -+{ -+ return xt_register_target(&ipt_imq_reg); -+} -+ -+static void __exit fini(void) -+{ -+ xt_unregister_target(&ipt_imq_reg); -+} -+ -+module_init(init); -+module_exit(fini); -+ -+MODULE_AUTHOR("http://www.linuximq.net"); -+MODULE_DESCRIPTION("Pseudo-driver for the intermediate queue device. See http://www.linuximq.net/ for more information."); -+MODULE_LICENSE("GPL"); ---- a/net/ipv4/netfilter/Kconfig -+++ b/net/ipv4/netfilter/Kconfig -@@ -123,6 +123,17 @@ config IP_NF_FILTER - - To compile it as a module, choose M here. If unsure, say N. - -+config IP_NF_TARGET_IMQ -+ tristate "IMQ target support" -+ depends on IP_NF_MANGLE && IMQ -+ help -+ This option adds a `IMQ' target which is used to specify if and -+ to which IMQ device packets should get enqueued/dequeued. -+ -+ For more information visit: http://www.linuximq.net/ -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ - config IP_NF_TARGET_REJECT - tristate "REJECT target support" - depends on IP_NF_FILTER ---- a/net/ipv4/netfilter/Makefile -+++ b/net/ipv4/netfilter/Makefile -@@ -51,6 +51,7 @@ obj-$(CONFIG_IP_NF_MATCH_TTL) += ipt_ttl - obj-$(CONFIG_IP_NF_TARGET_CLUSTERIP) += ipt_CLUSTERIP.o - obj-$(CONFIG_IP_NF_TARGET_ECN) += ipt_ECN.o - obj-$(CONFIG_IP_NF_TARGET_LOG) += ipt_LOG.o -+obj-$(CONFIG_IP_NF_TARGET_IMQ) += ipt_IMQ.o - obj-$(CONFIG_IP_NF_TARGET_MASQUERADE) += ipt_MASQUERADE.o - obj-$(CONFIG_IP_NF_TARGET_NETMAP) += ipt_NETMAP.o - obj-$(CONFIG_IP_NF_TARGET_REDIRECT) += ipt_REDIRECT.o ---- /dev/null -+++ b/net/ipv6/netfilter/ip6t_IMQ.c -@@ -0,0 +1,69 @@ -+/* -+ * 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, -+ const struct net_device *in, -+ const struct net_device *out, -+ unsigned int hooknum, -+ const struct xt_target *target, -+ const void *targinfo) -+{ -+ struct ip6t_imq_info *mr = (struct ip6t_imq_info *)targinfo; -+ -+ pskb->imq_flags = mr->todev | IMQ_F_ENQUEUE; -+ -+ return XT_CONTINUE; -+} -+ -+static bool imq_checkentry(const char *tablename, -+ const void *entry, -+ const struct xt_target *target, -+ void *targinfo, -+ unsigned int hook_mask) -+{ -+ struct ip6t_imq_info *mr; -+ -+ mr = (struct ip6t_imq_info *)targinfo; -+ -+ 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 xt_target ip6t_imq_reg = { -+ .name = "IMQ", -+ .family = AF_INET6, -+ .target = imq_target, -+ .targetsize = sizeof(struct ip6t_imq_info), -+ .table = "mangle", -+ .checkentry = imq_checkentry, -+ .me = THIS_MODULE -+}; -+ -+static int __init init(void) -+{ -+ return xt_register_target(&ip6t_imq_reg); -+} -+ -+static void __exit fini(void) -+{ -+ xt_unregister_target(&ip6t_imq_reg); -+} -+ -+module_init(init); -+module_exit(fini); -+ -+MODULE_AUTHOR("http://www.linuximq.net"); -+MODULE_DESCRIPTION("Pseudo-driver for the intermediate queue device. See http://www.linuximq.net/ for more information."); -+MODULE_LICENSE("GPL"); ---- a/net/ipv6/netfilter/Kconfig -+++ b/net/ipv6/netfilter/Kconfig -@@ -179,6 +179,15 @@ config IP6_NF_MANGLE - - To compile it as a module, choose M here. If unsure, say N. - -+config IP6_NF_TARGET_IMQ -+ tristate "IMQ target support" -+ depends on IP6_NF_MANGLE && IMQ -+ help -+ This option adds a `IMQ' target which is used to specify if and -+ to which imq device packets should get enqueued/dequeued. -+ -+ To compile it as a module, choose M here. If unsure, say N. -+ - config IP6_NF_TARGET_HL - tristate 'HL (hoplimit) target support' - depends on IP6_NF_MANGLE ---- a/net/ipv6/netfilter/Makefile -+++ b/net/ipv6/netfilter/Makefile -@@ -6,6 +6,7 @@ - obj-$(CONFIG_IP6_NF_IPTABLES) += ip6_tables.o - obj-$(CONFIG_IP6_NF_FILTER) += ip6table_filter.o - obj-$(CONFIG_IP6_NF_MANGLE) += ip6table_mangle.o -+obj-$(CONFIG_IP6_NF_TARGET_IMQ) += ip6t_IMQ.o - obj-$(CONFIG_IP6_NF_QUEUE) += ip6_queue.o - obj-$(CONFIG_IP6_NF_RAW) += ip6table_raw.o - ---- a/net/sched/sch_generic.c -+++ b/net/sched/sch_generic.c -@@ -203,6 +203,7 @@ void __qdisc_run(struct net_device *dev) - - clear_bit(__LINK_STATE_QDISC_RUNNING, &dev->state); - } -+EXPORT_SYMBOL(__qdisc_run); - - static void dev_watchdog(unsigned long arg) - { |