Update of /cvsroot/leaf/src/bering-uclibc/apps/linux/patches
In directory ddv4jf1.ch3.sourceforge.com:/tmp/cvs-serv3885

Added Files:
        linux-2.4.28-imq2.diff linux-2.4.32-ipv4zones-0.1.2.patch 
        sk98lin_v10.61.3.3_2.4.34.patch 
Log Message:
patches for ipv4zones, Linux IMQ and 
Gigabit Ethernet driver for Marvell and SysKonnect network adapter cards 
(sk98lin)
provided by NiTro


--- NEW FILE: linux-2.4.28-imq2.diff ---
diff -aurN linux-2.4.28-orig/Documentation/Configure.help 
linux-2.4.28/Documentation/Configure.help
--- linux-2.4.28-orig/Documentation/Configure.help      2004-11-17 
11:54:20.000000000 +0000
+++ linux-2.4.28/Documentation/Configure.help   2004-12-14 11:43:42.000000000 
+0000
@@ -3147,6 +3147,22 @@
   If you want to compile it as a module, say M here and read
   <file:Documentation/modules.txt>.  If unsure, say `N'.
 
+IMQ target support
+CONFIG_IP_NF_TARGET_IMQ
+  This option adds a `IMQ' target which is used to specify if and
+  to which imq device packets should get enqueued/dequeued.
+
+  If you want to compile it as a module, say M here and read
+  <file:Documentation/modules.txt>.  If unsure, say `N'.
+
+IMQ target support
+CONFIG_IP6_NF_TARGET_IMQ
+  This option adds a `IMQ' target which is used to specify if and
+  to which imq device packets should get enqueued/dequeued.
+
+  If you want to compile it as a module, say M here and read
+  <file:Documentation/modules.txt>.  If unsure, say `N'.
+
 MARK target support
 CONFIG_IP_NF_TARGET_MARK
   This option adds a `MARK' target, which allows you to create rules
@@ -9799,6 +9815,20 @@
   say M here and read <file:Documentation/modules.txt>.  The module
   will be called bonding.o.
 
+Intermediate queueing device support
+CONFIG_IMQ
+  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.
+
+  If you want to compile this as a module ( = code which ca be
+  inserted in and removed from the running kernel whenever you want),
+  say M here and read <file:Documentation/modules.txt>.  The module
+  will be called imq.o
+
 SLIP (serial line) support
 CONFIG_SLIP
   Say Y if you intend to use SLIP or CSLIP (compressed SLIP) to
diff -aurN linux-2.4.28-orig/drivers/net/Config.in 
linux-2.4.28/drivers/net/Config.in
--- linux-2.4.28-orig/drivers/net/Config.in     2004-08-07 23:26:04.000000000 
+0000
+++ linux-2.4.28/drivers/net/Config.in  2004-12-14 11:43:42.000000000 +0000
@@ -7,6 +7,11 @@
 tristate 'Dummy net driver support' CONFIG_DUMMY
 tristate 'Bonding driver support' CONFIG_BONDING
 tristate 'EQL (serial line load balancing) support' CONFIG_EQUALIZER
+if [ "$CONFIG_NETFILTER" = "y" ]; then
+  tristate 'IMQ (intermediate queueing device) support' CONFIG_IMQ
+else
+  comment 'IMQ needs CONFIG_NETFILTER enabled'
+fi
 tristate 'Universal TUN/TAP device driver support' CONFIG_TUN
 if [ "$CONFIG_EXPERIMENTAL" = "y" ]; then
    tristate 'Ethertap network tap (OBSOLETE)' CONFIG_ETHERTAP
diff -aurN linux-2.4.28-orig/drivers/net/Makefile 
linux-2.4.28/drivers/net/Makefile
--- linux-2.4.28-orig/drivers/net/Makefile      2004-08-07 23:26:04.000000000 
+0000
+++ linux-2.4.28/drivers/net/Makefile   2004-12-14 11:43:42.000000000 +0000
@@ -170,6 +170,7 @@
 
 obj-$(CONFIG_STRIP) += strip.o
 obj-$(CONFIG_DUMMY) += dummy.o
+obj-$(CONFIG_IMQ) += imq.o
 obj-$(CONFIG_DE600) += de600.o
 obj-$(CONFIG_DE620) += de620.o
 obj-$(CONFIG_AT1500) += lance.o
diff -aurN linux-2.4.28-orig/drivers/net/imq.c linux-2.4.28/drivers/net/imq.c
--- linux-2.4.28-orig/drivers/net/imq.c 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.4.28/drivers/net/imq.c      2004-12-14 11:43:42.000000000 +0000
@@ -0,0 +1,321 @@
+/*
+ *             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, <[email protected]>
+ *
+ *            The first version was written by Martin Devera, <[email protected]>
+ *
+ * Credits:    Jan Rafaj <[email protected]>
+ *              - Update patch to 2.4.21
+ *             Sebastian Strollo <[email protected]>
+ *              - Fix "Dead-loop on netdevice imq"-issue
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/config.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>
+
+static nf_hookfn imq_nf_hook;
+
+static struct nf_hook_ops imq_ingress_ipv4 = {
+       { NULL, NULL},
+       imq_nf_hook,
+       PF_INET,
+       NF_IP_PRE_ROUTING,
+       NF_IP_PRI_MANGLE + 1
+};
+
+static struct nf_hook_ops imq_egress_ipv4 = {
+       { NULL, NULL},
+       imq_nf_hook,
+       PF_INET,
+       NF_IP_POST_ROUTING,
+       NF_IP_PRI_LAST
+};
+
+#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+static struct nf_hook_ops imq_ingress_ipv6 = {
+       { NULL, NULL},
+       imq_nf_hook,
+       PF_INET6,
+       NF_IP6_PRE_ROUTING,
+       NF_IP6_PRI_MANGLE + 1
+};
+
+static struct nf_hook_ops imq_egress_ipv6 = {
+       { NULL, NULL},
+       imq_nf_hook,
+       PF_INET6,
+       NF_IP6_POST_ROUTING,
+       NF_IP6_PRI_LAST
+};
+#endif
+
+static unsigned int numdevs = 2;
+
+MODULE_PARM(numdevs, "i");
+MODULE_PARM_DESC(numdevs, "number of imq devices");
+
+static struct net_device *imq_devs;
+
+
+static struct net_device_stats *imq_get_stats(struct net_device *dev)
+{
+       return (struct net_device_stats *)dev->priv;
+}
+
+/* called for packets kfree'd in qdiscs at places other than enqueue */
+static void imq_skb_destructor(struct sk_buff *skb)
+{
+       struct nf_info *info = skb->nf_info;
+
+       if (info) {
+               if (info->indev)
+                       dev_put(info->indev);
+               if (info->outdev)
+                       dev_put(info->outdev);
+               kfree(info);
+       }
+}
+
+static int imq_dev_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+       struct net_device_stats *stats = (struct net_device_stats*) dev->priv;
+       
+       stats->tx_bytes += skb->len;
+       stats->tx_packets++;
+
+       skb->imq_flags = 0;
+       skb->destructor = NULL;
+       
+       dev->trans_start = jiffies;
+       nf_reinject(skb, skb->nf_info, NF_ACCEPT);
+       return 0;
+}
+
+static int imq_nf_queue(struct sk_buff *skb, struct nf_info *info,
+                       void *data)
+{
+       struct net_device *dev;
+       struct net_device_stats *stats;
+       struct sk_buff *skb2 = NULL;
+       struct Qdisc *q;
+       unsigned int index = skb->imq_flags&IMQ_F_IFMASK;
+       int ret = -1;
+
+       if (index > numdevs) 
+               return -1;
+       
+       dev = imq_devs + index;
+       if (!(dev->flags & IFF_UP)) {
+               skb->imq_flags = 0;
+               nf_reinject(skb, info, NF_ACCEPT);
+               return 0;
+       }
+       dev->last_rx = jiffies;
+
+       if (skb->destructor) {
+               skb2 = skb;
+               skb = skb_clone(skb, GFP_ATOMIC);
+               if (!skb)
+                       return -1;
+       }
+       skb->nf_info = info;
+
+       stats = (struct net_device_stats *)dev->priv;
+       stats->rx_bytes+= skb->len;
+       stats->rx_packets++;
+       
+       spin_lock_bh(&dev->queue_lock);
+       q = dev->qdisc;
+       if (q->enqueue) {
+               q->enqueue(skb_get(skb), q);
+               if (skb_shared(skb)) {
+                       skb->destructor = imq_skb_destructor;
+                       kfree_skb(skb);
+                       ret = 0;
+               }
+       }
+       if (spin_is_locked(&dev->xmit_lock))
+               netif_schedule(dev);
+       else
+               qdisc_run(dev);
+       spin_unlock_bh(&dev->queue_lock);
+
+       if (skb2)
+               kfree_skb(ret ? skb : skb2);
+
+       return ret;
+}
+
+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 __init imq_init_hooks(void)
+{
+       int err;
+
+       if ((err = nf_register_queue_handler(PF_INET, imq_nf_queue, NULL)))
+               goto err1;
+       if ((err = nf_register_hook(&imq_ingress_ipv4)))
+               goto err2;
+       if ((err = nf_register_hook(&imq_egress_ipv4)))
+               goto err3;
+#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+       if ((err = nf_register_queue_handler(PF_INET6, imq_nf_queue, NULL)))
+               goto err4;
+       if ((err = nf_register_hook(&imq_ingress_ipv6)))
+               goto err5;
+       if ((err = nf_register_hook(&imq_egress_ipv6)))
+               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);
+err4:
+       nf_unregister_hook(&imq_egress_ipv4);
+#endif
+err3:
+       nf_unregister_hook(&imq_ingress_ipv4);
+err2:
+       nf_unregister_queue_handler(PF_INET);
+err1:
+       return err;
+}
+
+static void __exit imq_unhook(void)
+{
+       nf_unregister_hook(&imq_ingress_ipv4);
+       nf_unregister_hook(&imq_egress_ipv4);
+       nf_unregister_queue_handler(PF_INET);
+#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);
+#endif
+}
+
+static int __init imq_dev_init(struct net_device *dev)
+{
+       dev->hard_start_xmit    = imq_dev_xmit;
+       dev->type               = ARPHRD_VOID;
+       dev->mtu                = 1500;
+       dev->tx_queue_len       = 30;
+       dev->flags              = IFF_NOARP;
+       dev->priv = kmalloc(sizeof(struct net_device_stats), GFP_KERNEL);
+       if (dev->priv == NULL)
+               return -ENOMEM;
+       memset(dev->priv, 0, sizeof(struct net_device_stats));
+       dev->get_stats          = imq_get_stats;
+
+       return 0;
+}
+
+static void imq_dev_uninit(struct net_device *dev)
+{
+       kfree(dev->priv);
+}
+
+static int __init imq_init_devs(void)
+{
+       struct net_device *dev;
+       int i;
+
+       if (!numdevs || numdevs > IMQ_MAX_DEVS) {
+               printk(KERN_ERR "numdevs has to be betweed 1 and %u\n",
+                      IMQ_MAX_DEVS);
+               return -EINVAL;
+       }
+
+       imq_devs = kmalloc(sizeof(struct net_device) * numdevs, GFP_KERNEL);
+       if (!imq_devs)
+               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
     dep_tristate '    CLASSIFY target support (EXPERIMENTAL)' 
CONFIG_IP_NF_TARGET_CLASSIFY $CONFIG_IP_NF_MANGLE
   fi
   dep_tristate '  LOG target support' CONFIG_IP_NF_TARGET_LOG 
$CONFIG_IP_NF_IPTABLES
diff -aurN linux-2.4.28-orig/net/ipv4/netfilter/Makefile 
linux-2.4.28/net/ipv4/netfilter/Makefile
--- linux-2.4.28-orig/net/ipv4/netfilter/Makefile       2003-08-25 
11:44:44.000000000 +0000
+++ linux-2.4.28/net/ipv4/netfilter/Makefile    2004-12-14 11:43:43.000000000 
+0000
@@ -94,6 +94,7 @@
 obj-$(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) {

--- NEW FILE: linux-2.4.32-ipv4zones-0.1.2.patch ---
diff -Nru linux-2.4.32.orig/drivers/net/Config.in 
linux-2.4.32/drivers/net/Config.in
--- linux-2.4.32.orig/drivers/net/Config.in     2006-06-07 13:47:00.000000000 
+0300
+++ linux-2.4.32/drivers/net/Config.in  2006-06-27 21:29:26.000000000 +0300
@@ -328,6 +328,10 @@
 if [ ! "$CONFIG_PPP" = "n" ]; then
    dep_bool '  PPP multilink support (EXPERIMENTAL)' CONFIG_PPP_MULTILINK 
$CONFIG_EXPERIMENTAL
    dep_bool '  PPP filtering' CONFIG_PPP_FILTER $CONFIG_FILTER
+   bool '  PPP IPv4 zone counters' CONFIG_PPP_IPV4ZONES $CONFIG_PPP
+   if [ "$CONFIG_PPP_IPV4ZONES" = "y" -o "$CONFIG_PPP_IPV4ZONES" = "m" ]; then
+      int  '  PPP IPv4 zones number' CONFIG_PPP_IPV4ZONES_COUNT 4
+   fi
    dep_tristate '  PPP support for async serial ports' CONFIG_PPP_ASYNC 
$CONFIG_PPP
    dep_tristate '  PPP support for sync tty ports' CONFIG_PPP_SYNC_TTY 
$CONFIG_PPP
    dep_tristate '  PPP Deflate compression' CONFIG_PPP_DEFLATE $CONFIG_PPP
diff -Nru linux-2.4.32.orig/drivers/net/ppp_generic.c 
linux-2.4.32/drivers/net/ppp_generic.c
--- linux-2.4.32.orig/drivers/net/ppp_generic.c 2006-06-07 13:47:00.000000000 
+0300
+++ linux-2.4.32/drivers/net/ppp_generic.c      2006-06-27 23:25:09.000000000 
+0300
@@ -126,6 +126,12 @@
        struct sk_buff_head mrq;        /* MP: receive reconstruction queue */
 #endif /* CONFIG_PPP_MULTILINK */
        struct net_device_stats stats;  /* statistics */
+#ifdef CONFIG_PPP_IPV4ZONES
+       unsigned long tx_packets_zones[CONFIG_PPP_IPV4ZONES_COUNT];
+       unsigned long rx_packets_zones[CONFIG_PPP_IPV4ZONES_COUNT];
+       unsigned long tx_bytes_zones[CONFIG_PPP_IPV4ZONES_COUNT];
+       unsigned long rx_bytes_zones[CONFIG_PPP_IPV4ZONES_COUNT];
+#endif /* CONFIG_PPP_IPV4ZONES */
 #ifdef CONFIG_PPP_FILTER
        struct sock_fprog pass_filter;  /* filter for packets to pass */
        struct sock_fprog active_filter;/* filter for pkts to reset idle */
@@ -319,6 +325,491 @@
        ETH_P_PPPTALK,
 };
 
+#ifdef CONFIG_PPP_IPV4ZONES
+/*
+ * PPP IPv4 Zones for traffic counting
+ * Zones storing and IP lookup based on Red-Black Tree
+ */
+#ifndef LINUX_VERSION_CODE
+#include <linux/version.h>
+#endif
+#include <linux/rbtree.h>
+#include <linux/proc_fs.h>
+
+#define lib_assert_if_true(cond) if (cond) return;
+#define lib_return_if_true(cond, retval) if (cond) return (retval);
+
+#ifdef __KERNEL__
+#      if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,0)
+static inline void *kzalloc(size_t size, int flags)
+{
+       void *data;
+
+       data = kmalloc(size, flags);
+
+       if (NULL != data) {
+               memset(data, 0, size);
+       }
+
+       return data;
+}
+#      endif
+#      define ALLOCATE(klass) (klass*)kmalloc(sizeof(klass), GFP_KERNEL)
+#      define ALLOCATE_Z(klass) (klass*)kzalloc(sizeof(klass), GFP_KERNEL)
+#      define DEALLOCATE(thisObj) kfree(thisObj)
+
+#      define lib_log_trace(args...)   // printk(KERN_DEBUG args)
+#      define lib_log_debug(args...)   // printk(KERN_DEBUG args)
+#      define lib_log_info(args...)    printk(KERN_INFO args)
+#      define lib_log_notice(args...)  printk(KERN_NOTICE args)
+#      define lib_log_warning(args...) printk(KERN_WARNING args)
+#      define lib_log_err(args...)     printk(KERN_ERR args)
+#      define lib_log_crit(args...)    printk(KERN_CRIT args)
+#else
+
+#      define ALLOCATE(klass) (klass*)malloc(sizeof(klass))
+#      define ALLOCATE_Z(klass) (klass*)calloc(1, sizeof(klass))
+#      define DEALLOCATE(thisObj) free(thisObj)
+
+#      define lib_log_trace(args...)   printf(args)
+#      define lib_log_debug(args...)   printf(args)
+#      define lib_log_info(args...)    printf(args)
+#      define lib_log_notice(args...)  printf(args)
+#      define lib_log_warning(args...) printf(args)
+#      define lib_log_err(args...)     printf(args)
+#      define lib_log_crit(args...)    printf(args)
+#endif
+
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,0)
+#      define RB_NODE_TYPE rb_node_t
+#      define RB_ROOT_TYPE rb_root_t
+#else
+#      define RB_NODE_TYPE struct rb_node
+#      define RB_ROOT_TYPE struct rb_root
+#endif
+
+#define RB_NODE(x) ((RB_NODE_TYPE *)(x))
+
+struct ppp_ipv4zone_node {
+       /* RB-Tree node used to link this structure to the zones rb-tree */
+       RB_NODE_TYPE rbn;
+
+       struct ppp_ipv4zone zone;
+};
+
+static inline struct ppp_ipv4zone_node*
+ipv4zone_node_init(struct ppp_ipv4zone_node* node) {
+       if (NULL != node) {
+               // TODO Test if ok
+               node->rbn.rb_parent = RB_NODE(node);
+       }
+
+       return node;
+}
+
+static struct ppp_ipv4zone_node*
+ipv4zone_node_init_data(struct ppp_ipv4zone_node* thisObj, unsigned int start, 
unsigned int last, int zone)
+{
+       struct ppp_ipv4zone_node* node = ipv4zone_node_init(thisObj);
+       if (NULL != node) {
+               node->zone.start = start;
+               node->zone.last = last;
+               node->zone.zone = zone;
+       }
+
+       return node;
+}
+
+static struct ppp_ipv4zone_node*
+ipv4zone_node_new_data(unsigned int start, unsigned int last, int zone)
+{
+       struct ppp_ipv4zone_node* tmp;
+       struct ppp_ipv4zone_node* thisObj = ALLOCATE_Z(struct 
ppp_ipv4zone_node);
+       tmp = ipv4zone_node_init_data(thisObj, start, last, zone);
+
+       if (NULL == tmp) {
+               DEALLOCATE(thisObj);
+               thisObj = NULL;
+       }
+
+       return thisObj;
+}
+
+static inline void ipv4zone_node_finalize(struct ppp_ipv4zone_node* thisObj)
+{
+}
+
+static inline void ipv4zone_node_delete(struct ppp_ipv4zone_node* thisObj)
+{
+       ipv4zone_node_finalize(thisObj);
+       DEALLOCATE(thisObj);
+}
+
+struct ppp_ipv4zones {
+       /* Protect this structure access */
+       rwlock_t lock;
+
+        /* RB-Tree root used to store IPv4 zones */
+       RB_ROOT_TYPE rbr;
+};
+
+//static spinlock_t ppp_ipv4zones_lock;
+static struct ppp_ipv4zones* ppp_ipv4zone_tree;
+
+//#define IPV4ZONES_PROC_FILE "sys/net/ppp/ipv4zones"
+#define IPV4ZONES_PROC_FILE "ipv4zones"
+static struct proc_dir_entry *ipv4zones_proc_entry;
+
+static inline void
+ipv4zones_remove(struct ppp_ipv4zones *zones, struct ppp_ipv4zone_node *node)
+{
+       rb_erase(&node->rbn, &zones->rbr);
+       node->rbn.rb_parent = &node->rbn;
+}
+
+static inline struct ppp_ipv4zones* ipv4zones_init(struct ppp_ipv4zones* 
thisObj)
+{
+       if (NULL != thisObj) {
+               rwlock_init(&thisObj->lock);
+               thisObj->rbr = RB_ROOT;
+       }
+
+       return thisObj;
+}
+
+static int ipv4zones_alloc(struct ppp_ipv4zones **pzones)
+{
+       struct ppp_ipv4zones* zones = ALLOCATE_Z(struct ppp_ipv4zones);
+
+       if (!zones)
+               return -ENOMEM;
+
+       *pzones = ipv4zones_init(zones);
+
+       if (NULL == *pzones) {
+               DEALLOCATE(zones);
+               return -EAGAIN;
+       }
+
+       lib_log_info("[%p] ipv4zones: ipv4zones_alloc() pzones=%p\n", current, 
pzones);
+       return 0;
+}
+
+static struct ppp_ipv4zones* ipv4zones_new(void)
+{
+       struct ppp_ipv4zones* zones;
+
+       int result = ipv4zones_alloc(&zones);
+
+       if (0 != result) {
+               zones = NULL;
+               // TODO indicate error type
+       }
+
+       return zones;
+}
+
+static void
+ipv4zones_free(struct ppp_ipv4zones *zones)
+{
+       RB_NODE_TYPE *rbp;
+       struct ppp_ipv4zone_node *zone;
+
+       lib_assert_if_true(NULL == zones);
+
+       /*
+        * We need to lock this because we could be hit by
+        * ??? Could we? we are freeing, so we are not in use...
+        */
+       write_lock_irq(&zones->lock);
+
+       /*
+        * Walks through the whole tree by freeing each "struct 
ppp_ipv4zone_node".
+        */
+       while ((rbp = rb_first(&zones->rbr)) != 0) {
+               zone = rb_entry(rbp, struct ppp_ipv4zone_node, rbn);
+               ipv4zones_remove(zones, zone);
+               ipv4zone_node_delete(zone);
+       }
+
+       write_unlock_irq(&zones->lock);
+
+       DEALLOCATE(zones);
+}
+
+/**
+ * Compare 2 ppp_ipv4zone_node objects.
+ * No checking for NULL values!!!
+ */
+static inline int
+ppp_ipv4zone_node_comparator(RB_NODE_TYPE *node1, RB_NODE_TYPE *node2)
+{
+       struct ppp_ipv4zone* zone1;
+       struct ppp_ipv4zone* zone2;
+
+       zone1 = &rb_entry(node1, struct ppp_ipv4zone_node, rbn)->zone;
+       zone2 = &rb_entry(node2, struct ppp_ipv4zone_node, rbn)->zone;
+
+       // Not checking overlapping
+       // Next line would not be working - highest bit can be set :(
+       // result = ((unsigned int)zone1->start) - ((unsigned int)zone2->start);
+       if (((unsigned int)zone1->start) < ((unsigned int)zone2->start)) {
+               return -1;
+       } else if (zone1->start != zone2->start) {
+               return 1;
+       }
+       lib_log_trace("ipv4_zone_node_comparator: zone1=0x%08x, zone2=0x%08x, 
result=%d\n",
+               zone1->start, zone2->start, result);
+
+       return 0;
+}
+
+/**
+ * Check if IPv4 address is in current ppp_ipv4zone_node object.
+ * No checking for NULL values!!!
+ */
+static inline int
+ppp_ipv4zone_node_testip(struct ppp_ipv4zone_node* node, unsigned int ip)
+{
+       if (ip < node->zone.start) {
+               return -1;
+       } else if (ip > node->zone.last) {
+               return 1;
+       }
+
+       return 0;
+}
+
+/*
+ * Search zone inside the zones tree.
+ */
+static unsigned int ppp_ipv4zone_findzone(struct ppp_ipv4zones *zones, 
unsigned int ip)
+{
+       int kcmp;
+       unsigned long flags;
+       RB_NODE_TYPE *rbp;
+       struct ppp_ipv4zone_node *zone = NULL;
+       int zonen = 0;
+
+       read_lock_irqsave(&zones->lock, flags);
+       for (rbp = zones->rbr.rb_node; rbp; ) {
+               zone = rb_entry(rbp, struct ppp_ipv4zone_node, rbn);
+               kcmp = ppp_ipv4zone_node_testip(zone, ip);
+               if (kcmp > 0)
+                       rbp = rbp->rb_right;
+               else if (kcmp < 0)
+                       rbp = rbp->rb_left;
+               else {
+                       zonen = zone->zone.zone;
+                        break;
+                }
+        }
+        read_unlock_irqrestore(&zones->lock, flags);
+
+        lib_log_debug("[%p] : ppp_ipv4zone_findzone(0x%x) -> %d\n", current, 
ip, zonen);
+
+        return zonen;
+}
+
+static inline unsigned int
+ppp_ipv4zone_getzone(struct ppp* sppp, struct sk_buff *skb, int tx)
+{
+       struct iphdr *iph;
+       unsigned int test_zone;
+       unsigned int ip;
+
+       // ppp_ipv4zone_tree can now be NULL
+       if (NULL == ppp_ipv4zone_tree)
+               return 0;
+
+       lib_return_if_true(NULL == sppp, 0);
+       lib_return_if_true(NULL == skb, 0);
+       // Must be IPv4. Can't check, RX change this
+       // lib_return_if_true(PPP_IP != PPP_PROTO(skb), 0);
+       // Maybe so?
+       // lib_return_if_true(PPP_IP != skb->protocol), 0);
+
+       // get addr
+       lib_log_debug("ppp_ipv4zone_getzone: tx=%d, nh.iph=%p, data=%p, 
protocol=%d, ihl=%d, iph.len=%d, skb.len=%d\n",
+               tx, skb->nh.iph, skb->data, skb->protocol, (NULL == skb->nh.iph 
? -1 : skb->nh.iph->ihl),
+               (NULL == skb->nh.iph ? -1 : skb->nh.iph->tot_len), skb->len);
+       iph = skb->nh.iph;
+       if (NULL == iph || 5 > iph->ihl) {
+               // if we are using kernel pppoe, some packets have not 
well-formed headers
+               iph = (struct iphdr *)skb->data;
+       }
+       lib_return_if_true(NULL == iph, 0);
+
+       // TX relative to iface, so swap addr source
+       if (tx)
+               ip = ntohl(iph->saddr);
+       else
+               ip = ntohl(iph->daddr);
+
+       test_zone = ppp_ipv4zone_findzone(ppp_ipv4zone_tree, ip);
+       lib_log_trace("ppp_ipv4zone_getzone: iph=%p, tx=%d, ip="NIPQUAD_FMT", 
zone=%d\n",
+               skb->nh.iph, tx, HIPQUAD(ip), test_zone);
+
+       return test_zone;
+}
+
+static void ipv4zones_insert(struct ppp_ipv4zones *zones, struct 
ppp_ipv4zone_node *zone)
+{
+       int kcmp;
+       RB_NODE_TYPE **p = &zones->rbr.rb_node, *parent = NULL;
+
+       // TODO check overlapping, find out right locking method
+       write_lock_irq(&zones->lock);
+        while (*p) {
+                parent = *p;
+                kcmp = ppp_ipv4zone_node_comparator(&zone->rbn, parent);
+                if (kcmp > 0)
+                        p = &parent->rb_right;
+                else
+                        p = &parent->rb_left;
+        }
+        rb_link_node(&zone->rbn, parent, p);
+        rb_insert_color(&zone->rbn, &zones->rbr);
+       write_unlock_irq(&zones->lock);
+}
+
+static inline void ppp_ipv4zone_rx(struct ppp* sppp, struct sk_buff *skb) {
+       int zone;
+       zone = ppp_ipv4zone_getzone(sppp, skb, 0);
+
+       ++sppp->rx_packets_zones[zone];
+       sppp->rx_bytes_zones[zone] += skb->len - 2;
+}
+
+static inline void ppp_ipv4zone_postpull_rx(struct ppp* sppp, struct sk_buff 
*skb, unsigned int len) {
+       int zone;
+       zone = ppp_ipv4zone_getzone(sppp, skb, 0);
+
+       ++sppp->rx_packets_zones[zone];
+       sppp->rx_bytes_zones[zone] += skb->len - 2 + len;
+}
+
+static inline void ppp_ipv4zone_tx(struct ppp* sppp, struct sk_buff *skb) {
+       int zone;
+       zone = ppp_ipv4zone_getzone(sppp, skb, 1);
+
+       ++sppp->tx_packets_zones[zone];
+       sppp->tx_bytes_zones[zone] += skb->len - 2;
+}
+
+/**
+ * Output textual representation of IPv4 zones tree to userspace
+ */
+int ipv4zones_proc_read(char *page, char **start, off_t off,
+               int count, int *eof, void *data)
+{
+       int len = 0;
+
+       *eof = 1;
+
+       return len;
+}
+
+ssize_t ipv4zones_proc_write(struct file *filp, const char __user *buff,
+               unsigned long len, void *data )
+{
+       struct ppp_ipv4zones_config_packet *packet;
+
+       if (IPV4ZONES_MIN_PACKET_SIZE >= len) {
+               lib_log_warning("ipv4zones: too small packet!\n");
+               return -EINVAL;
+       }
+
+       if (IPV4ZONES_MAX_PACKET_SIZE <= len) {
+               lib_log_warning("ipv4zones: too big packet!\n");
+               return -EFBIG;
+       }
+
+       packet = kmalloc(len, GFP_KERNEL);
+       if (NULL == packet) {
+               lib_log_err("ipv4zones: can't allocate space for packet!\n");
+               len = -ENOMEM;
+               goto out;
+       }
+
+       if (copy_from_user(packet, buff, len)) {
+               lib_log_err("ipv4zones: can't copy packet from userspace!\n");
+               len = -EFAULT;
+               goto out_packet;
+       }
+
+       if (IPV4ZONES_VERSION != packet->version) {
+               lib_log_err("ipv4zones: packet verion mismatch!\n");
+               len = -EINVAL;
+               goto out_packet;
+       }
+
+       switch (packet->type_magic) {
+       case IPV4ZONES_TYPE_TREE:
+               {
+                       unsigned int i;
+                       struct ppp_ipv4zones *zones, *orig;
+                       struct ppp_ipv4zones_config_packet_tree *cp = (struct 
ppp_ipv4zones_config_packet_tree *)packet;
+                       if (0 == cp->count ||
+                               sizeof(struct ppp_ipv4zone) != 
+                                       (len - sizeof(struct 
ppp_ipv4zones_config_packet) - sizeof(size_t)) / (cp->count)) {
+                               lib_log_err("ipv4zones: invalid packet size or 
zone count!\n");
+                               len = -EINVAL;
+                               goto out_packet;
+                       }
+
+                       // Allocate new tree root
+                       zones = ipv4zones_new();
+                       if (NULL == zones) {
+                               lib_log_err("ipv4zones: can't allocate space 
for zones!\n");
+                               len = -ENOMEM;
+                               goto out_packet;
+                       } else {
+                               for (i = 0; i < cp->count; i++) {
+                                       struct ppp_ipv4zone_node *node = 
ipv4zone_node_new_data(cp->zones[i].start, cp->zones[i].last, 
cp->zones[i].zone);
+                                       if (NULL == node) {
+                                               lib_log_err("ipv4zones: can't 
allocate space for zone node!\n");
+                                               goto tree_err;
+                                       }
+
+                                       ipv4zones_insert(zones, node);
+                               }
+
+                               // Swap current IPv4 zones tree root with new
+                               // spin_lock(&ppp_ipv4zones_lock);
+                               orig = ppp_ipv4zone_tree;
+                               ppp_ipv4zone_tree = zones;
+                               // spin_unlock(&ppp_ipv4zones_lock);
+
+                               // Free old IPv4 zones tree root
+                               if (NULL != orig) {
+                                       ipv4zones_free(orig);
+                               }
+                       }
+
+                       break;
+tree_err:
+                       ipv4zones_free(zones);
+                       len = -ENOMEM;
+                       goto out_packet;
+               }
+       default:
+               lib_log_err("ipv4zones: unknown packet type!\n");
+               len = -EINVAL;
+               goto out_packet;
+       }
+
+out_packet:
+       if (NULL != packet) {
+               kfree(packet);
+       }
+
+out:
+       return len;
+}
+#endif /* CONFIG_PPP_IPV4ZONES */
+
+
 /*
  * Locking shorthand.
  */
@@ -796,6 +1247,24 @@
                                      S_IFCHR | S_IRUSR | S_IWUSR,
                                      &ppp_device_fops, NULL);
 
+#ifdef CONFIG_PPP_IPV4ZONES
+       ppp_ipv4zone_tree = NULL;
+
+       ipv4zones_proc_entry = create_proc_entry(IPV4ZONES_PROC_FILE, S_IFREG, 
&proc_root);
+       if (NULL == ipv4zones_proc_entry) {
+               lib_log_err("ipv4zones: can't create proc entry!\n");
+               if (devfs_unregister_chrdev(PPP_MAJOR, "ppp") != 0)
+                       lib_log_err("ipv4zones: PPP: failed to unregister PPP 
device\n");
+               devfs_unregister(devfs_handle);
+               return -ENOMEM;
+       } else {
+               ipv4zones_proc_entry->read_proc = ipv4zones_proc_read;
+               ipv4zones_proc_entry->write_proc = ipv4zones_proc_write;
+               ipv4zones_proc_entry->owner = THIS_MODULE;
+       }
+       lib_log_notice("ipv4zones: version 0.%d loaded\n", IPV4ZONES_VERSION);
+#endif /* CONFIG_PPP_IPV4ZONES */
+
        return 0;
 }
 
@@ -992,6 +1459,10 @@
 
        switch (proto) {
        case PPP_IP:
+#ifdef CONFIG_PPP_IPV4ZONES
+               ppp_ipv4zone_tx(ppp, skb);
+#endif /* CONFIG_PPP_IPV4ZONES */
+
                if (ppp->vj == 0 || (ppp->flags & SC_COMP_TCP) == 0)
                        break;
                /* try to do VJ TCP header compression */
@@ -1559,6 +2030,10 @@
                        skb->dev = ppp->dev;
                        skb->protocol = htons(npindex_to_ethertype[npi]);
                        skb->mac.raw = skb->data;
+#ifdef CONFIG_PPP_IPV4ZONES
+       if (NP_IP == npi) // NP_IP == ETH_P_IP
+               ppp_ipv4zone_postpull_rx(ppp, skb, 2);
+#endif /* CONFIG_PPP_IPV4ZONES */
                        netif_rx(skb);
                        ppp->dev->last_rx = jiffies;
                }
@@ -2250,6 +2725,13 @@
        st->p.ppp_opackets = ppp->stats.tx_packets;
        st->p.ppp_oerrors = ppp->stats.tx_errors;
        st->p.ppp_obytes = ppp->stats.tx_bytes;
+#ifdef CONFIG_PPP_IPV4ZONES
+//     printk("copying CONFIG_PPP_IPV4ZONES data\n");
+       memcpy(st->p.ppp_opackets_zones, &ppp->tx_packets_zones, 
sizeof(ppp->tx_packets_zones));
+       memcpy(st->p.ppp_ipackets_zones, &ppp->rx_packets_zones, 
sizeof(ppp->rx_packets_zones));
+       memcpy(st->p.ppp_obytes_zones, &ppp->tx_bytes_zones, 
sizeof(ppp->tx_bytes_zones));
+       memcpy(st->p.ppp_ibytes_zones, &ppp->rx_bytes_zones, 
sizeof(ppp->tx_bytes_zones));
+#endif /* CONFIG_PPP_IPV4ZONES */
        if (vj == 0)
                return;
        st->vj.vjs_packets = vj->sls_o_compressed + vj->sls_o_uncompressed;
@@ -2552,6 +3034,13 @@
 
 static void __exit ppp_cleanup(void)
 {
+#ifdef CONFIG_PPP_IPV4ZONES
+       remove_proc_entry(IPV4ZONES_PROC_FILE, &proc_root);
+       // spin_lock(&ppp_ipv4zones_lock);
+       ipv4zones_free(ppp_ipv4zone_tree);
+       // spin_unlock(&ppp_ipv4zones_lock);
+#endif /* CONFIG_PPP_IPV4ZONES */
+
        /* should never happen */
        if (atomic_read(&ppp_unit_count) || atomic_read(&channel_count))
                printk(KERN_ERR "PPP: removing module but units remain!\n");
diff -Nru linux-2.4.32.orig/include/linux/ppp_defs.h 
linux-2.4.32/include/linux/ppp_defs.h
--- linux-2.4.32.orig/include/linux/ppp_defs.h  2006-06-07 13:30:41.000000000 
+0300
+++ linux-2.4.32/include/linux/ppp_defs.h       2006-06-27 22:33:39.000000000 
+0300
@@ -127,6 +127,12 @@
     __u32      ppp_opackets;   /* packets sent */
     __u32      ppp_oerrors;    /* transmit errors */ 
     __u32      ppp_olqrs;      /* # LQR frames sent */
+#ifdef CONFIG_PPP_IPV4ZONES
+    __u32      ppp_opackets_zones[CONFIG_PPP_IPV4ZONES_COUNT];
+    __u32      ppp_ipackets_zones[CONFIG_PPP_IPV4ZONES_COUNT];
+    __u32      ppp_obytes_zones[CONFIG_PPP_IPV4ZONES_COUNT];
+    __u32      ppp_ibytes_zones[CONFIG_PPP_IPV4ZONES_COUNT];
+#endif /* CONFIG_PPP_IPV4ZONES */
 };
 
 struct vjstat {
@@ -174,6 +180,35 @@
     time_t recv_idle;          /* time since last NP packet received */
 };
 
+#ifdef CONFIG_PPP_IPV4ZONES
+struct ppp_ipv4zones_config_packet {
+       u32     version;
+       u32     type_magic;
+};
+
+#define IPV4ZONES_VERSION 0x01
+
+#define IPV4ZONES_TYPE_TREE 0x54F948AC
+
+#define IPV4ZONES_MIN_PACKET_SIZE (sizeof(struct ppp_ipv4zones_config_packet))
+#define IPV4ZONES_MAX_PACKET_SIZE 2048
+
+struct ppp_ipv4zone {
+       unsigned int start; // range start
+       unsigned int last; // range last
+       unsigned int zone; // zone number
+};
+
+/**
+ * Full tree
+ */
+struct ppp_ipv4zones_config_packet_tree {
+       struct ppp_ipv4zones_config_packet header;
+       size_t count;
+       struct ppp_ipv4zone zones[0];
+};
+#endif /* CONFIG_PPP_IPV4ZONES */
+
 #ifndef __P
 #ifdef __STDC__
 #define __P(x) x

--- NEW FILE: sk98lin_v10.61.3.3_2.4.34.patch ---
diff -ruN linux/drivers/net/sk98lin/build_no.c 
linux-new/drivers/net/sk98lin/build_no.c
--- linux/drivers/net/sk98lin/build_no.c        2007-07-22 16:50:47.000000000 
+0300
+++ linux-new/drivers/net/sk98lin/build_no.c    1970-01-01 03:00:00.000000000 
+0300
@@ -1,10 +0,0 @@
-/******************************************************************************
- *
- *     Name:           Build_No.c
- *     Version:        1.01
- *
- */
-
-static const char SysKonnectBuildNumber[] =
-       "@(#)SK-BUILD: 6.02 (20021219) PL: ALL.01";
-^Z
\ В конце файла нет новой строки
diff -ruN linux/drivers/net/sk98lin/h/lm80.h 
linux-new/drivers/net/sk98lin/h/lm80.h
--- linux/drivers/net/sk98lin/h/lm80.h  2007-07-22 16:50:47.000000000 +0300
+++ linux-new/drivers/net/sk98lin/h/lm80.h      2008-07-07 13:07:25.000000000 
+0300
@@ -1,177 +1,180 @@
[...82203 lines suppressed...]
-           - SK-9861 V2.0 Gigabit Ethernet 1000Base-SX Adapter
-           - SK-9862 Gigabit Ethernet Server Adapter (SK-NET GE-SX Volition 
dual link)
-           - SK-9871 Gigabit Ethernet Server Adapter (SK-NET GE-ZX)
-           - SK-9871 V2.0 Gigabit Ethernet 1000Base-ZX Adapter
-           - SK-9872 Gigabit Ethernet Server Adapter (SK-NET GE-ZX dual link)
-           - SMC EZ Card 1000 (SMC9452TXV.2)
+  compliant Gigabit Ethernet Adapter.
 
   The adapters support Jumbo Frames.
   The dual link adapters support link-failover and dual port features.
@@ -12347,6 +12292,9 @@
   say M here and read Documentation/modules.txt. This is recommended.
   The module will be called sk98lin.o.
 
+CONFIG_SK98LIN_NAPI
+  NAPI is a new driver API designed to reduce CPU and interrupt load
+  when the driver is receiving lots of packets from the card.
 
 Sun GEM support
 CONFIG_SUNGEM


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