Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (35 commits)
  [IPV6]: Deinline few large functions in inet6 code
  [IPV4] ip_fragment: Always compute hash with ipfrag_lock held.
  [NETFILTER]: Fix DNAT in LOCAL_OUT
  [X25]: Restore skb->dev setting in x25_type_trans().
  [NET]: Fix hotplug race during device registration.
  [IPV6]: Unexport secure_ipv6_port_ephemeral
  [NETFILTER]: Fix build with CONFIG_NETFILTER=y/m on IA64
  [NET]: More kzalloc conversions.
  [NET] kzalloc: use in alloc_netdev
  [PKT_SCHED] act_police: Rename methods.
  [TG3]: Speed up SRAM access (2nd version)
  [TG3]: Kill some less useful flags
  [NETFILTER]: H.323 helper: remove changelog
  [NETFILTER]: Convert conntrack/ipt_REJECT to new checksumming functions
  [NETFILTER]: Add address family specific checksum helpers
  [NETFILTER]: Introduce infrastructure for address family specific operations
  [NETFILTER]: Fix IP_NF_CONNTRACK_NETLINK dependency
  [NETFILTER]: H.323 helper: add parameter 'default_rrq_ttl'
  [NETFILTER]: H.323 helper: make get_h245_addr() static
  [NETFILTER]: H.323 helper: change EXPORT_SYMBOL to EXPORT_SYMBOL_GPL
  ...

71 files changed, 1638 insertions, 1367 deletions

diff --git a/drivers/char/random.c b/drivers/char/random.c
index 86be04b241e1..58f3512c52e1 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1584,7 +1584,6 @@ u32 secure_ipv6_port_ephemeral(const __u32 *saddr, const __u32 *daddr, __u16 dpo
 
         return twothirdsMD4Transform(daddr, hash);
 }
-EXPORT_SYMBOL(secure_ipv6_port_ephemeral);
 #endif
 
 #if defined(CONFIG_IP_DCCP) || defined(CONFIG_IP_DCCP_MODULE)
diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c
index 6e2ec56cde0b..606243d11793 100644
--- a/drivers/net/irda/irda-usb.c
+++ b/drivers/net/irda/irda-usb.c
@@ -1,7 +1,7 @@
 /*****************************************************************************
  *
  * Filename:      irda-usb.c
- * Version:       0.9b
+ * Version:       0.10
  * Description:   IrDA-USB Driver
  * Status:        Experimental 
  * Author:        Dag Brattli <dag@brattli.net>
@@ -9,6 +9,9 @@
  *      Copyright (C) 2000, Roman Weissgaerber <weissg@vienna.at>
  *      Copyright (C) 2001, Dag Brattli <dag@brattli.net>
  *      Copyright (C) 2001, Jean Tourrilhes <jt@hpl.hp.com>
+ *      Copyright (C) 2004, SigmaTel, Inc. <irquality@sigmatel.com>
+ *      Copyright (C) 2005, Milan Beno <beno@pobox.sk>
+ *      Copyright (C) 2006, Nick Fedchik <nick@fedchik.org.ua>
  *          
  *      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
@@ -61,6 +64,7 @@
 #include <linux/slab.h>
 #include <linux/rtnetlink.h>
 #include <linux/usb.h>
+#include <linux/firmware.h>
 
 #include "irda-usb.h"
 
@@ -78,8 +82,12 @@ static struct usb_device_id dongles[] = {
         { USB_DEVICE(0x50f, 0x180), .driver_info = IUC_SPEED_BUG | IUC_NO_WINDOW },
         /* Extended Systems, Inc.,  XTNDAccess IrDA USB (ESI-9685) */
         { USB_DEVICE(0x8e9, 0x100), .driver_info = IUC_SPEED_BUG | IUC_NO_WINDOW },
+        /* SigmaTel STIR4210/4220/4116 USB IrDA (VFIR) Bridge */
+        { USB_DEVICE(0x66f, 0x4210), .driver_info = IUC_STIR_4210 | IUC_SPEED_BUG },
+        { USB_DEVICE(0x66f, 0x4220), .driver_info = IUC_STIR_4210 | IUC_SPEED_BUG },
+        { USB_DEVICE(0x66f, 0x4116), .driver_info = IUC_STIR_4210 | IUC_SPEED_BUG },
         { .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS |
-                       USB_DEVICE_ID_MATCH_INT_SUBCLASS,
+          USB_DEVICE_ID_MATCH_INT_SUBCLASS,
           .bInterfaceClass = USB_CLASS_APP_SPEC,
           .bInterfaceSubClass = USB_CLASS_IRDA,
           .driver_info = IUC_DEFAULT, },
@@ -99,6 +107,7 @@ MODULE_DEVICE_TABLE(usb, dongles);
 
 /*------------------------------------------------------------------*/
 
+static void irda_usb_init_qos(struct irda_usb_cb *self) ;
 static struct irda_class_desc *irda_usb_find_class_desc(struct usb_interface *intf);
 static void irda_usb_disconnect(struct usb_interface *intf);
 static void irda_usb_change_speed_xbofs(struct irda_usb_cb *self);
@@ -141,7 +150,24 @@ static void irda_usb_build_header(struct irda_usb_cb *self,
                                   __u8 *header,
                                   int   force)
 {
-        /* Set the negotiated link speed */
+        /* Here we check if we have an STIR421x chip,
+         * and if either speed or xbofs (or both) needs
+         * to be changed.
+         */
+        if (self->capability & IUC_STIR_4210 &&
+            ((self->new_speed != -1) || (self->new_xbofs != -1))) {
+
+                /* With STIR421x, speed and xBOFs must be set at the same
+                 * time, even if only one of them changes.
+                 */
+                if (self->new_speed == -1)
+                        self->new_speed = self->speed ;
+
+                if (self->new_xbofs == -1)
+                        self->new_xbofs = self->xbofs ;
+        }
+
+        /* Set the link speed */
         if (self->new_speed != -1) {
                 /* Hum... Ugly hack :-(
                  * Some device are not compliant with the spec and change
@@ -191,7 +217,11 @@ static void irda_usb_build_header(struct irda_usb_cb *self,
                         *header = SPEED_4000000;
                         self->new_xbofs = 0;
                         break;
-                }
+                case 16000000:
+                        *header = SPEED_16000000;
+                        self->new_xbofs = 0;
+                        break;
+                }
         } else
                 /* No change */
                 *header = 0;
@@ -235,6 +265,32 @@ static void irda_usb_build_header(struct irda_usb_cb *self,
         }
 }
 
+/*
+*   calculate turnaround time for SigmaTel header
+*/
+static __u8 get_turnaround_time(struct sk_buff *skb)
+{
+        int turnaround_time = irda_get_mtt(skb);
+
+        if ( turnaround_time == 0 )
+                return 0;
+        else if ( turnaround_time <= 10 )
+                return 1;
+        else if ( turnaround_time <= 50 )
+                return 2;
+        else if ( turnaround_time <= 100 )
+                return 3;
+        else if ( turnaround_time <= 500 )
+                return 4;
+        else if ( turnaround_time <= 1000 )
+                return 5;
+        else if ( turnaround_time <= 5000 )
+                return 6;
+        else
+                return 7;
+}
+
+
 /*------------------------------------------------------------------*/
 /*
  * Send a command to change the speed of the dongle
@@ -262,12 +318,18 @@ static void irda_usb_change_speed_xbofs(struct irda_usb_cb *self)
         /* Set the new speed and xbofs in this fake frame */
         irda_usb_build_header(self, frame, 1);
 
+        if ( self->capability & IUC_STIR_4210 ) {
+                if (frame[0] == 0) return ; // do nothing if no change
+                frame[1] = 0; // other parameters don't change here
+                frame[2] = 0;
+        }
+
         /* Submit the 0 length IrDA frame to trigger new speed settings */
         usb_fill_bulk_urb(urb, self->usbdev,
                       usb_sndbulkpipe(self->usbdev, self->bulk_out_ep),
                       frame, IRDA_USB_SPEED_MTU,
                       speed_bulk_callback, self);
-        urb->transfer_buffer_length = USB_IRDA_HEADER;
+        urb->transfer_buffer_length = self->header_length;
         urb->transfer_flags = 0;
 
         /* Irq disabled -> GFP_ATOMIC */
@@ -383,16 +445,35 @@ static int irda_usb_hard_xmit(struct sk_buff *skb, struct net_device *netdev)
          * allocation will be done lower in skb_push().
          * Also, we don't use directly skb_cow(), because it require
          * headroom >= 16, which force unnecessary copies - Jean II */
-        if (skb_headroom(skb) < USB_IRDA_HEADER) {
+        if (skb_headroom(skb) < self->header_length) {
                 IRDA_DEBUG(0, "%s(), Insuficient skb headroom.\n", __FUNCTION__);
-                if (skb_cow(skb, USB_IRDA_HEADER)) {
+                if (skb_cow(skb, self->header_length)) {
                         IRDA_WARNING("%s(), failed skb_cow() !!!\n", __FUNCTION__);
                         goto drop;
                 }
         }
 
         /* Change setting for next frame */
-        irda_usb_build_header(self, skb_push(skb, USB_IRDA_HEADER), 0);
+
+        if ( self->capability & IUC_STIR_4210 ) {
+                __u8 turnaround_time;
+                __u8* frame;
+                turnaround_time = get_turnaround_time( skb );
+                frame= skb_push(skb, self->header_length);
+                irda_usb_build_header(self, frame, 0);
+                frame[2] = turnaround_time;
+                if ((skb->len != 0) &&
+                    ((skb->len % 128) == 0) &&
+                    ((skb->len % 512) != 0)) {
+                        /* add extra byte for special SigmaTel feature */
+                        frame[1] = 1;
+                        skb_put(skb, 1);
+                } else {
+                        frame[1] = 0;
+                }
+        } else {
+                irda_usb_build_header(self, skb_push(skb, self->header_length), 0);
+        }
 
         /* FIXME: Make macro out of this one */
         ((struct irda_skb_cb *)skb->cb)->context = self;
@@ -795,7 +876,7 @@ static void irda_usb_receive(struct urb *urb, struct pt_regs *regs)
         }
         
         /* Check for empty frames */
-        if (urb->actual_length <= USB_IRDA_HEADER) {
+        if (urb->actual_length <= self->header_length) {
                 IRDA_WARNING("%s(), empty frame!\n", __FUNCTION__);
                 goto done;
         }
@@ -816,7 +897,11 @@ static void irda_usb_receive(struct urb *urb, struct pt_regs *regs)
         docopy = (urb->actual_length < IRDA_RX_COPY_THRESHOLD);
 
         /* Allocate a new skb */
-        newskb = dev_alloc_skb(docopy ? urb->actual_length : IRDA_SKB_MAX_MTU);
+        if ( self->capability & IUC_STIR_4210 )
+                newskb = dev_alloc_skb(docopy ? urb->actual_length : IRDA_SKB_MAX_MTU + USB_IRDA_SIGMATEL_HEADER);
+        else
+                newskb = dev_alloc_skb(docopy ? urb->actual_length : IRDA_SKB_MAX_MTU);
+
         if (!newskb)  {
                 self->stats.rx_dropped++;
                 /* We could deliver the current skb, but this would stall
@@ -845,7 +930,7 @@ static void irda_usb_receive(struct urb *urb, struct pt_regs *regs)
 
         /* Set proper length on skb & remove USB-IrDA header */
         skb_put(dataskb, urb->actual_length);
-        skb_pull(dataskb, USB_IRDA_HEADER);
+        skb_pull(dataskb, self->header_length);
 
         /* Ask the networking layer to queue the packet for the IrDA stack */
         dataskb->dev = self->netdev;
@@ -937,6 +1022,191 @@ static int irda_usb_is_receiving(struct irda_usb_cb *self)
         return 0; /* For now */
 }
 
+
+#define STIR421X_PATCH_PRODUCT_VERSION_STR       "Product Version: "
+#define STIR421X_PATCH_COMPONENT_VERSION_STR     "Component Version: "
+#define STIR421X_PATCH_DATA_TAG_STR              "STMP"
+#define STIR421X_PATCH_FILE_VERSION_MAX_OFFSET   512     /* version info is before here */
+#define STIR421X_PATCH_FILE_IMAGE_MAX_OFFSET     512     /* patch image starts before here */
+#define STIR421X_PATCH_FILE_END_OF_HEADER_TAG    0x1A    /* marks end of patch file header (PC DOS text file EOF character) */
+
+/*
+ * Known firmware patches for STIR421x dongles
+ */
+static char * stir421x_patches[] = {
+        "42101001.sb",
+        "42101002.sb",
+};
+
+static int stir421x_get_patch_version(unsigned char * patch, const unsigned long patch_len)
+{
+        unsigned int version_offset;
+        unsigned long version_major, version_minor, version_build;
+        unsigned char * version_start;
+        int version_found = 0;
+
+        for (version_offset = 0;
+             version_offset < STIR421X_PATCH_FILE_END_OF_HEADER_TAG;
+             version_offset++) {
+                if (!memcmp(patch + version_offset,
+                            STIR421X_PATCH_PRODUCT_VERSION_STR,
+                            sizeof(STIR421X_PATCH_PRODUCT_VERSION_STR) - 1)) {
+                                    version_found = 1;
+                                    version_start = patch +
+                                            version_offset +
+                                            sizeof(STIR421X_PATCH_PRODUCT_VERSION_STR) - 1;
+                                    break;
+                }
+        }
+
+        /* We couldn't find a product version on this patch */
+        if (!version_found)
+                return -EINVAL;
+
+        /* Let's check if the product version is dotted */
+        if (version_start[3] != '.' ||
+            version_start[7] != '.')
+                return -EINVAL;
+
+        version_major = simple_strtoul(version_start, NULL, 10);
+        version_minor = simple_strtoul(version_start + 4, NULL, 10);
+        version_build = simple_strtoul(version_start + 8, NULL, 10);
+
+        IRDA_DEBUG(2, "%s(), Major: %ld Minor: %ld Build: %ld\n",
+                   __FUNCTION__,
+                   version_major, version_minor, version_build);
+
+        return (((version_major) << 12) +
+                ((version_minor) << 8) +
+                ((version_build / 10) << 4) +
+                (version_build % 10));
+
+}
+
+
+static int stir421x_upload_patch (struct irda_usb_cb *self,
+                                  unsigned char * patch,
+                                  const unsigned int patch_len)
+{
+    int retval = 0;
+    int actual_len;
+    unsigned int i = 0, download_amount = 0;
+    unsigned char * patch_chunk;
+
+    IRDA_DEBUG (2, "%s(), Uploading STIR421x Patch\n", __FUNCTION__);
+
+    patch_chunk = kzalloc(STIR421X_MAX_PATCH_DOWNLOAD_SIZE, GFP_KERNEL);
+    if (patch_chunk == NULL)
+            return -ENOMEM;
+
+    /* break up patch into 1023-byte sections */
+    for (i = 0; retval >= 0 && i < patch_len; i += download_amount) {
+            download_amount = patch_len - i;
+            if (download_amount > STIR421X_MAX_PATCH_DOWNLOAD_SIZE)
+                    download_amount = STIR421X_MAX_PATCH_DOWNLOAD_SIZE;
+
+            /* download the patch section */
+            memcpy(patch_chunk, patch + i, download_amount);
+
+            retval = usb_bulk_msg (self->usbdev,
+                                   usb_sndbulkpipe (self->usbdev,
+                                                    self->bulk_out_ep),
+                                   patch_chunk, download_amount,
+                                   &actual_len, msecs_to_jiffies (500));
+            IRDA_DEBUG (2, "%s(), Sent %u bytes\n", __FUNCTION__,
+                        actual_len);
+            if (retval == 0)
+                    mdelay(10);
+    }
+
+    kfree(patch_chunk);
+
+    if (i != patch_len) {
+            IRDA_ERROR ("%s(), Pushed %d bytes (!= patch_len (%d))\n",
+                       __FUNCTION__, i, patch_len);
+            retval = -EIO;
+    }
+
+    if (retval < 0)
+            /* todo - mark device as not ready */
+            IRDA_ERROR ("%s(), STIR421x patch upload failed (%d)\n",
+                        __FUNCTION__, retval);
+
+    return retval;
+}
+
+
+static int stir421x_patch_device(struct irda_usb_cb *self)
+{
+        unsigned int i, patch_found = 0, data_found = 0, data_offset;
+        int patch_version, ret = 0;
+        const struct firmware *fw_entry;
+
+        for (i = 0; i < ARRAY_SIZE(stir421x_patches); i++) {
+                if(request_firmware(&fw_entry, stir421x_patches[i], &self->usbdev->dev) != 0) {
+                        IRDA_ERROR( "%s(), Patch %s is not available\n", __FUNCTION__, stir421x_patches[i]);
+                        continue;
+                }
+
+                /* We found a patch from userspace */
+                patch_version = stir421x_get_patch_version (fw_entry->data, fw_entry->size);
+
+                if (patch_version < 0) {
+                        /* Couldn't fetch a version, let's move on to the next file */
+                        IRDA_ERROR("%s(), version parsing failed\n", __FUNCTION__);
+                        ret = patch_version;
+                        release_firmware(fw_entry);
+                        continue;
+                }
+
+                if (patch_version != self->usbdev->descriptor.bcdDevice) {
+                        /* Patch version and device don't match */
+                        IRDA_ERROR ("%s(), wrong patch version (%d <-> %d)\n",
+                                    __FUNCTION__,
+                                    patch_version, self->usbdev->descriptor.bcdDevice);
+                        ret = -EINVAL;
+                        release_firmware(fw_entry);
+                        continue;
+                }
+
+                /* If we're here, we've found a correct patch */
+                patch_found = 1;
+                break;
+
+        }
+
+        /* We couldn't find a valid firmware, let's leave */
+        if (!patch_found)
+                return ret;
+
+        /* The actual image starts after the "STMP" keyword */
+        for (data_offset = 0; data_offset < STIR421X_PATCH_FILE_IMAGE_MAX_OFFSET; data_offset++) {
+                if (!memcmp(fw_entry->data + data_offset,
+                            STIR421X_PATCH_DATA_TAG_STR,
+                            sizeof(STIR421X_PATCH_FILE_IMAGE_MAX_OFFSET))) {
+                        IRDA_DEBUG(2, "%s(), found patch data for STIR421x at offset %d\n",
+                                   __FUNCTION__, data_offset);
+                        data_found = 1;
+                        break;
+                }
+        }
+
+        /* We couldn't find "STMP" from the header */
+        if (!data_found)
+                return -EINVAL;
+
+        /* Let's upload the patch to the target */
+        ret = stir421x_upload_patch(self,
+                                    &fw_entry->data[data_offset + sizeof(STIR421X_PATCH_FILE_IMAGE_MAX_OFFSET)],
+                                    fw_entry->size - (data_offset + sizeof(STIR421X_PATCH_FILE_IMAGE_MAX_OFFSET)));
+
+        release_firmware(fw_entry);
+
+        return ret;
+
+}
+
+
 /********************** IRDA DEVICE CALLBACKS **********************/
 /*
  * Main calls from the IrDA/Network subsystem.
@@ -972,6 +1242,11 @@ static int irda_usb_net_open(struct net_device *netdev)
                 return -1;
         }
 
+        if(self->needspatch) {
+                IRDA_WARNING("%s(), device needs patch\n", __FUNCTION__) ;
+                return -EIO ;
+        }
+
         /* Initialise default speed and xbofs value
          * (IrLAP will change that soon) */
         self->speed = -1;
@@ -1050,7 +1325,7 @@ static int irda_usb_net_close(struct net_device *netdev)
         del_timer(&self->rx_defer_timer);
 
         /* Deallocate all the Rx path buffers (URBs and skb) */
-        for (i = 0; i < IU_MAX_RX_URBS; i++) {
+        for (i = 0; i < self->max_rx_urb; i++) {
                 struct urb *urb = self->rx_urb[i];
                 struct sk_buff *skb = (struct sk_buff *) urb->context;
                 /* Cancel the receive command */
@@ -1426,8 +1701,22 @@ static int irda_usb_probe(struct usb_interface *intf,
         spin_lock_init(&self->lock);
         init_timer(&self->rx_defer_timer);
 
+        self->capability = id->driver_info;
+        self->needspatch = ((self->capability & IUC_STIR_4210) != 0) ;
+
         /* Create all of the needed urbs */
-        for (i = 0; i < IU_MAX_RX_URBS; i++) {
+        if (self->capability & IUC_STIR_4210) {
+                self->max_rx_urb = IU_SIGMATEL_MAX_RX_URBS;
+                self->header_length = USB_IRDA_SIGMATEL_HEADER;
+        } else {
+                self->max_rx_urb = IU_MAX_RX_URBS;
+                self->header_length = USB_IRDA_HEADER;
+        }
+
+        self->rx_urb = kzalloc(self->max_rx_urb * sizeof(struct urb *),
+                                GFP_KERNEL);
+
+        for (i = 0; i < self->max_rx_urb; i++) {
                 self->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
                 if (!self->rx_urb[i]) {
                         goto err_out_1;
@@ -1479,17 +1768,28 @@ static int irda_usb_probe(struct usb_interface *intf,
                 goto err_out_3;
         }
 
+        self->usbdev = dev;
+
         /* Find IrDA class descriptor */
         irda_desc = irda_usb_find_class_desc(intf);
         ret = -ENODEV;
         if (irda_desc == NULL)
                 goto err_out_3;
 
+        if (self->needspatch) {
+                ret = usb_control_msg (self->usbdev, usb_sndctrlpipe (self->usbdev, 0),
+                                       0x02, 0x40, 0, 0, 0, 0, msecs_to_jiffies(500));
+                if (ret < 0) {
+                        IRDA_DEBUG (0, "usb_control_msg failed %d\n", ret);
+                        goto err_out_3;
+                } else {
+                        mdelay(10);
+                }
+        }
+
         self->irda_desc =  irda_desc;
         self->present = 1;
         self->netopen = 0;
-        self->capability = id->driver_info;
-        self->usbdev = dev;
         self->usbintf = intf;
 
         /* Allocate the buffer for speed changes */
@@ -1508,6 +1808,28 @@ static int irda_usb_probe(struct usb_interface *intf,
 
         IRDA_MESSAGE("IrDA: Registered device %s\n", net->name);
         usb_set_intfdata(intf, self);
+
+        if (self->needspatch) {
+                /* Now we fetch and upload the firmware patch */
+                ret = stir421x_patch_device(self);
+                self->needspatch = (ret < 0);
+                if (ret < 0) {
+                        printk("patch_device failed\n");
+                        goto err_out_4;
+                }
+
+                /* replace IrDA class descriptor with what patched device is now reporting */
+                irda_desc = irda_usb_find_class_desc (self->usbintf);
+                if (irda_desc == NULL) {
+                        ret = -ENODEV;
+                        goto err_out_4;
+                }
+                if (self->irda_desc)
+                        kfree (self->irda_desc);
+                self->irda_desc = irda_desc;
+                irda_usb_init_qos(self);
+        }
+
         return 0;
 
 err_out_4:
@@ -1518,7 +1840,7 @@ err_out_3:
 err_out_2:
         usb_free_urb(self->tx_urb);
 err_out_1:
-        for (i = 0; i < IU_MAX_RX_URBS; i++) {
+        for (i = 0; i < self->max_rx_urb; i++) {
                 if (self->rx_urb[i])
                         usb_free_urb(self->rx_urb[i]);
         }
@@ -1571,7 +1893,7 @@ static void irda_usb_disconnect(struct usb_interface *intf)
                 /*netif_device_detach(self->netdev);*/
                 netif_stop_queue(self->netdev);
                 /* Stop all the receive URBs. Must be synchronous. */
-                for (i = 0; i < IU_MAX_RX_URBS; i++)
+                for (i = 0; i < self->max_rx_urb; i++)
                         usb_kill_urb(self->rx_urb[i]);
                 /* Cancel Tx and speed URB.
                  * Make sure it's synchronous to avoid races. */
@@ -1586,8 +1908,9 @@ static void irda_usb_disconnect(struct usb_interface *intf)
         self->usbintf = NULL;
 
         /* Clean up our urbs */
-        for (i = 0; i < IU_MAX_RX_URBS; i++)
+        for (i = 0; i < self->max_rx_urb; i++)
                 usb_free_urb(self->rx_urb[i]);
+        kfree(self->rx_urb);
         /* Clean up Tx and speed URB */
         usb_free_urb(self->tx_urb);
         usb_free_urb(self->speed_urb);
@@ -1648,6 +1971,6 @@ module_exit(usb_irda_cleanup);
  */
 module_param(qos_mtt_bits, int, 0);
 MODULE_PARM_DESC(qos_mtt_bits, "Minimum Turn Time");
-MODULE_AUTHOR("Roman Weissgaerber <weissg@vienna.at>, Dag Brattli <dag@brattli.net> and Jean Tourrilhes <jt@hpl.hp.com>");
-MODULE_DESCRIPTION("IrDA-USB Dongle Driver"); 
+MODULE_AUTHOR("Roman Weissgaerber <weissg@vienna.at>, Dag Brattli <dag@brattli.net>, Jean Tourrilhes <jt@hpl.hp.com> and Nick Fedchik <nick@fedchik.org.ua>");
+MODULE_DESCRIPTION("IrDA-USB Dongle Driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/net/irda/irda-usb.h b/drivers/net/irda/irda-usb.h
index 4026af42dd47..d833db52cebf 100644
--- a/drivers/net/irda/irda-usb.h
+++ b/drivers/net/irda/irda-usb.h
@@ -1,7 +1,7 @@
 /*****************************************************************************
  *
  * Filename:      irda-usb.h
- * Version:       0.9b
+ * Version:       0.10
  * Description:   IrDA-USB Driver
  * Status:        Experimental 
  * Author:        Dag Brattli <dag@brattli.net>
@@ -9,6 +9,9 @@
  *      Copyright (C) 2001, Roman Weissgaerber <weissg@vienna.at>
  *      Copyright (C) 2000, Dag Brattli <dag@brattli.net>
  *      Copyright (C) 2001, Jean Tourrilhes <jt@hpl.hp.com>
+ *      Copyright (C) 2004, SigmaTel, Inc. <irquality@sigmatel.com>
+ *      Copyright (C) 2005, Milan Beno <beno@pobox.sk>
+ *      Copyright (C) 2006, Nick FEdchik <nick@fedchik.org.ua>
  *          
  *      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
@@ -31,6 +34,9 @@
 #include <net/irda/irda.h>
 #include <net/irda/irda_device.h>      /* struct irlap_cb */
 
+#define PATCH_FILE_SIZE_MAX     65536
+#define PATCH_FILE_SIZE_MIN     80
+
 #define RX_COPY_THRESHOLD 200
 #define IRDA_USB_MAX_MTU 2051
 #define IRDA_USB_SPEED_MTU 64           /* Weird, but work like this */
@@ -79,15 +85,16 @@
 /* Inbound header */
 #define MEDIA_BUSY    0x80
 
-#define SPEED_2400    0x01
-#define SPEED_9600    0x02
-#define SPEED_19200   0x03
-#define SPEED_38400   0x04
-#define SPEED_57600   0x05
-#define SPEED_115200  0x06
-#define SPEED_576000  0x07
-#define SPEED_1152000 0x08
-#define SPEED_4000000 0x09
+#define SPEED_2400     0x01
+#define SPEED_9600     0x02
+#define SPEED_19200    0x03
+#define SPEED_38400    0x04
+#define SPEED_57600    0x05
+#define SPEED_115200   0x06
+#define SPEED_576000   0x07
+#define SPEED_1152000  0x08
+#define SPEED_4000000  0x09
+#define SPEED_16000000 0x0a
 
 /* Basic capabilities */
 #define IUC_DEFAULT     0x00    /* Basic device compliant with 1.0 spec */
@@ -100,11 +107,14 @@
 #define IUC_SMALL_PKT   0x10    /* Device doesn't behave with big Rx packets */
 #define IUC_MAX_WINDOW  0x20    /* Device underestimate the Rx window */
 #define IUC_MAX_XBOFS   0x40    /* Device need more xbofs than advertised */
+#define IUC_STIR_4210   0x80    /* SigmaTel 4210/4220/4116 VFIR */
 
 /* USB class definitions */
-#define USB_IRDA_HEADER   0x01
-#define USB_CLASS_IRDA    0x02 /* USB_CLASS_APP_SPEC subclass */ 
-#define USB_DT_IRDA       0x21
+#define USB_IRDA_HEADER            0x01
+#define USB_CLASS_IRDA             0x02 /* USB_CLASS_APP_SPEC subclass */
+#define USB_DT_IRDA                0x21
+#define USB_IRDA_SIGMATEL_HEADER   0x03
+#define IU_SIGMATEL_MAX_RX_URBS    (IU_MAX_ACTIVE_RX_URBS + USB_IRDA_SIGMATEL_HEADER)
 
 struct irda_class_desc {
         __u8  bLength;
@@ -123,6 +133,7 @@ struct irda_class_desc {
  * (6.2.5, USB-IrDA class spec 1.0) */
 
 #define IU_REQ_GET_CLASS_DESC   0x06
+#define STIR421X_MAX_PATCH_DOWNLOAD_SIZE 1023
 
 struct irda_usb_cb {
         struct irda_class_desc *irda_desc;
@@ -136,7 +147,8 @@ struct irda_usb_cb {
         __u16 bulk_out_mtu;             /* Max Tx packet size in bytes */
         __u8  bulk_int_ep;              /* Interrupt Endpoint assignments */
 
-        struct urb *rx_urb[IU_MAX_RX_URBS];     /* URBs used to receive data frames */
+        __u8  max_rx_urb;
+        struct urb **rx_urb;            /* URBs used to receive data frames */
         struct urb *idle_rx_urb;        /* Pointer to idle URB in Rx path */
         struct urb *tx_urb;             /* URB used to send data frames */
         struct urb *speed_urb;          /* URB used to send speed commands */
@@ -157,6 +169,9 @@ struct irda_usb_cb {
         __u32 speed;                    /* Current speed */
         __s32 new_speed;                /* speed we need to set */
 
+        __u8 header_length;             /* USB-IrDA frame header size */
+        int needspatch;                 /* device needs firmware patch */
+
         struct timer_list rx_defer_timer;       /* Wait for Rx error to clear */
 };
 
diff --git a/drivers/net/irda/smsc-ircc2.c b/drivers/net/irda/smsc-ircc2.c
index ec94ecdb103d..bbcfc8ec35a1 100644
--- a/drivers/net/irda/smsc-ircc2.c
+++ b/drivers/net/irda/smsc-ircc2.c
@@ -11,6 +11,7 @@
  *     Copyright (c) 2002      Daniele Peri
  *     All Rights Reserved.
  *     Copyright (c) 2002      Jean Tourrilhes
+ *     Copyright (c) 2006      Linus Walleij
  *
  *
  * Based on smc-ircc.c:
@@ -61,6 +62,9 @@
 
 #include <linux/spinlock.h>
 #include <linux/pm.h>
+#ifdef CONFIG_PCI
+#include <linux/pci.h>
+#endif
 
 #include <net/irda/wrapper.h>
 #include <net/irda/irda.h>
@@ -100,6 +104,22 @@ MODULE_PARM_DESC(ircc_transceiver, "Transceiver type");
 
 /* Types */
 
+#ifdef CONFIG_PCI
+struct smsc_ircc_subsystem_configuration {
+        unsigned short vendor; /* PCI vendor ID */
+        unsigned short device; /* PCI vendor ID */
+        unsigned short subvendor; /* PCI subsystem vendor ID */
+        unsigned short subdevice; /* PCI sybsystem device ID */
+        unsigned short sir_io; /* I/O port for SIR */
+        unsigned short fir_io; /* I/O port for FIR */
+        unsigned char  fir_irq; /* FIR IRQ */
+        unsigned char  fir_dma; /* FIR DMA */
+        unsigned short cfg_base; /* I/O port for chip configuration */
+        int (*preconfigure)(struct pci_dev *dev, struct smsc_ircc_subsystem_configuration *conf); /* Preconfig function */
+        const char *name;       /* name shown as info */
+};
+#endif
+
 struct smsc_transceiver {
         char *name;
         void (*set_for_speed)(int fir_base, u32 speed);
@@ -202,6 +222,16 @@ static int __init smsc_superio_flat(const struct smsc_chip *chips, unsigned shor
 static int __init smsc_superio_paged(const struct smsc_chip *chips, unsigned short cfg_base, char *type);
 static int __init smsc_superio_fdc(unsigned short cfg_base);
 static int __init smsc_superio_lpc(unsigned short cfg_base);
+#ifdef CONFIG_PCI
+static int __init preconfigure_smsc_chip(struct smsc_ircc_subsystem_configuration *conf);
+static int __init preconfigure_through_82801(struct pci_dev *dev, struct smsc_ircc_subsystem_configuration *conf);
+static int __init preconfigure_through_ali(struct pci_dev *dev, struct smsc_ircc_subsystem_configuration *conf);
+static int __init smsc_ircc_preconfigure_subsystems(unsigned short ircc_cfg,
+                                                    unsigned short ircc_fir,
+                                                    unsigned short ircc_sir,
+                                                    unsigned char ircc_dma,
+                                                    unsigned char ircc_irq);
+#endif
 
 /* Transceivers specific functions */
 
@@ -353,6 +383,13 @@ static int __init smsc_ircc_init(void)
                 return ret;
         }
 
+#ifdef CONFIG_PCI
+        if (smsc_ircc_preconfigure_subsystems(ircc_cfg, ircc_fir, ircc_sir, ircc_dma, ircc_irq) < 0) {
+                /* Ignore errors from preconfiguration */
+                IRDA_ERROR("%s, Preconfiguration failed !\n", driver_name);
+        }
+#endif
+
         dev_count = 0;
 
         if (ircc_fir > 0 && ircc_sir > 0) {
@@ -2285,6 +2322,280 @@ static int __init smsc_superio_lpc(unsigned short cfg_base)
         return ret;
 }
 
+/*
+ * Look for some specific subsystem setups that need
+ * pre-configuration not properly done by the BIOS (especially laptops)
+ * This code is based in part on smcinit.c, tosh1800-smcinit.c
+ * and tosh2450-smcinit.c. The table lists the device entries
+ * for ISA bridges with an LPC (Local Peripheral Configurator)
+ * that are in turn used to configure the SMSC device with default
+ * SIR and FIR I/O ports, DMA and IRQ.
+ */
+#ifdef CONFIG_PCI
+#define PCIID_VENDOR_INTEL 0x8086
+#define PCIID_VENDOR_ALI 0x10b9
+static struct smsc_ircc_subsystem_configuration subsystem_configurations[] __devinitdata = {
+        {
+                .vendor = PCIID_VENDOR_INTEL, /* Intel 82801DBM LPC bridge */
+                .device = 0x24cc,
+                .subvendor = 0x103c,
+                .subdevice = 0x088c,
+                .sir_io = 0x02f8, /* Quite certain these are the same for nc8000 as for nc6000 */
+                .fir_io = 0x0130,
+                .fir_irq = 0x09,
+                .fir_dma = 0x03,
+                .cfg_base = 0x004e,
+                .preconfigure = preconfigure_through_82801,
+                .name = "HP nc8000",
+        },
+        {
+                .vendor = PCIID_VENDOR_INTEL, /* Intel 82801DBM LPC bridge */
+                .device = 0x24cc,
+                .subvendor = 0x103c,
+                .subdevice = 0x0890,
+                .sir_io = 0x02f8,
+                .fir_io = 0x0130,
+                .fir_irq = 0x09,
+                .fir_dma = 0x03,
+                .cfg_base = 0x004e,
+                .preconfigure = preconfigure_through_82801,
+                .name = "HP nc6000",
+        },
+        {
+                .vendor = PCIID_VENDOR_INTEL, /* Intel 82801DB/DBL (ICH4/ICH4-L) LPC Interface Bridge */
+                .device = 0x24c0,
+                .subvendor = 0x1179,
+                .subdevice = 0xffff, /* 0xffff is "any", Not sure, 0x0001 or 0x0002 */
+                .sir_io = 0x03f8,
+                .fir_io = 0x0130,
+                .fir_irq = 0x07,
+                .fir_dma = 0x01,
+                .cfg_base = 0x002e,
+                .preconfigure = preconfigure_through_82801,
+                .name = "Toshiba Satellite 2450",
+        },
+        {
+                .vendor = PCIID_VENDOR_INTEL, /* Intel 82801CAM ISA bridge */
+                .device = 0x248c, /* Some use 24cc? */
+                .subvendor = 0x1179,
+                .subdevice = 0xffff, /* 0xffff is "any", Not sure, 0x0001 or 0x0002 */
+                .sir_io = 0x03f8,
+                .fir_io = 0x0130,
+                .fir_irq = 0x03,
+                .fir_dma = 0x03,
+                .cfg_base = 0x002e,
+                .preconfigure = preconfigure_through_82801,
+                .name = "Toshiba Satellite 5100/5200, Tecra 9100",
+        },
+        {
+                .vendor = PCIID_VENDOR_ALI, /* ALi M1533/M1535 PCI to ISA Bridge [Aladdin IV/V/V+] */
+                .device = 0x1533,
+                .subvendor = 0x1179,
+                .subdevice = 0xffff, /* 0xffff is "any", Not sure, 0x0001 or 0x0002 */
+                .sir_io = 0x02e8,
+                .fir_io = 0x02f8,
+                .fir_irq = 0x07,
+                .fir_dma = 0x03,
+                .cfg_base = 0x002e,
+                .preconfigure = preconfigure_through_ali,
+                .name = "Toshiba Satellite 1800",
+        },
+        { } // Terminator
+};
+
+
+/*
+ * This sets up the basic SMSC parameters (FIR port, SIR port, FIR DMA, FIR IRQ)
+ * through the chip configuration port.
+ */
+static int __init preconfigure_smsc_chip(struct smsc_ircc_subsystem_configuration *conf)
+{
+        unsigned short iobase = conf->cfg_base;
+        unsigned char tmpbyte;
+
+        outb(LPC47N227_CFGACCESSKEY, iobase); // enter configuration state
+        outb(SMSCSIOFLAT_DEVICEID_REG, iobase); // set for device ID
+        tmpbyte = inb(iobase +1); // Read device ID
+        IRDA_DEBUG(0, "Detected Chip id: 0x%02x, setting up registers...\n",tmpbyte);
+
+        /* Disable UART1 and set up SIR I/O port */
+        outb(0x24, iobase);  // select CR24 - UART1 base addr
+        outb(0x00, iobase + 1); // disable UART1
+        outb(SMSCSIOFLAT_UART2BASEADDR_REG, iobase);  // select CR25 - UART2 base addr
+        outb( (conf->sir_io >> 2), iobase + 1); // bits 2-9 of 0x3f8
+        tmpbyte = inb(iobase + 1);
+        if (tmpbyte != (conf->sir_io >> 2) ) {
+                IRDA_WARNING("ERROR: could not configure SIR ioport.\n");
+                return -ENXIO;
+        }
+
+        /* Set up FIR IRQ channel for UART2 */
+        outb(SMSCSIOFLAT_UARTIRQSELECT_REG, iobase); // select CR28 - UART1,2 IRQ select
+        tmpbyte = inb(iobase + 1);
+        tmpbyte &= SMSCSIOFLAT_UART1IRQSELECT_MASK; // Do not touch the UART1 portion
+        tmpbyte |= (conf->fir_irq & SMSCSIOFLAT_UART2IRQSELECT_MASK);
+        outb(tmpbyte, iobase + 1);
+        tmpbyte = inb(iobase + 1) & SMSCSIOFLAT_UART2IRQSELECT_MASK;
+        if (tmpbyte != conf->fir_irq) {
+                IRDA_WARNING("ERROR: could not configure FIR IRQ channel.\n");
+                return -ENXIO;
+        }
+
+        /* Set up FIR I/O port */
+        outb(SMSCSIOFLAT_FIRBASEADDR_REG, iobase);  // CR2B - SCE (FIR) base addr
+        outb((conf->fir_io >> 3), iobase + 1);
+        tmpbyte = inb(iobase + 1);
+        if (tmpbyte != (conf->fir_io >> 3) ) {
+                IRDA_WARNING("ERROR: could not configure FIR I/O port.\n");
+                return -ENXIO;
+        }
+
+        /* Set up FIR DMA channel */
+        outb(SMSCSIOFLAT_FIRDMASELECT_REG, iobase);  // CR2C - SCE (FIR) DMA select
+        outb((conf->fir_dma & LPC47N227_FIRDMASELECT_MASK), iobase + 1); // DMA
+        tmpbyte = inb(iobase + 1) & LPC47N227_FIRDMASELECT_MASK;
+        if (tmpbyte != (conf->fir_dma & LPC47N227_FIRDMASELECT_MASK)) {
+                IRDA_WARNING("ERROR: could not configure FIR DMA channel.\n");
+                return -ENXIO;
+        }
+
+        outb(SMSCSIOFLAT_UARTMODE0C_REG, iobase);  // CR0C - UART mode
+        tmpbyte = inb(iobase + 1);
+        tmpbyte &= ~SMSCSIOFLAT_UART2MODE_MASK | SMSCSIOFLAT_UART2MODE_VAL_IRDA;
+        outb(tmpbyte, iobase + 1); // enable IrDA (HPSIR) mode, high speed
+
+        outb(LPC47N227_APMBOOTDRIVE_REG, iobase);  // CR07 - Auto Pwr Mgt/boot drive sel
+        tmpbyte = inb(iobase + 1);
+        outb(tmpbyte | LPC47N227_UART2AUTOPWRDOWN_MASK, iobase + 1); // enable UART2 autopower down
+
+        /* This one was not part of tosh1800 */
+        outb(0x0a, iobase);  // CR0a - ecp fifo / ir mux
+        tmpbyte = inb(iobase + 1);
+        outb(tmpbyte | 0x40, iobase + 1); // send active device to ir port
+
+        outb(LPC47N227_UART12POWER_REG, iobase);  // CR02 - UART 1,2 power
+        tmpbyte = inb(iobase + 1);
+        outb(tmpbyte | LPC47N227_UART2POWERDOWN_MASK, iobase + 1); // UART2 power up mode, UART1 power down
+
+        outb(LPC47N227_FDCPOWERVALIDCONF_REG, iobase);  // CR00 - FDC Power/valid config cycle
+        tmpbyte = inb(iobase + 1);
+        outb(tmpbyte | LPC47N227_VALID_MASK, iobase + 1); // valid config cycle done
+
+        outb(LPC47N227_CFGEXITKEY, iobase);  // Exit configuration
+
+        return 0;
+}
+
+/* 82801CAM registers */
+#define VID 0x00
+#define DID 0x02
+#define PIRQA_ROUT 0x60
+#define PCI_DMA_C 0x90
+#define COM_DEC 0xe0
+#define LPC_EN 0xe6
+#define GEN2_DEC 0xec
+/*
+ * Sets up the I/O range using the 82801CAM ISA bridge, 82801DBM LPC bridge or
+ * Intel 82801DB/DBL (ICH4/ICH4-L) LPC Interface Bridge. They all work the same way!
+ */
+static int __init preconfigure_through_82801(struct pci_dev *dev,
+                                  struct smsc_ircc_subsystem_configuration *conf)
+{
+        unsigned short tmpword;
+        int ret;
+
+        IRDA_MESSAGE("Setting up the SMSC device via the 82801 controller.\n");
+        pci_write_config_byte(dev, COM_DEC, 0x10);
+
+        /* Enable LPC */
+        pci_read_config_word(dev, LPC_EN, &tmpword); /* LPC_EN register */
+        tmpword &= 0xfffd; /* mask bit 1 */
+        tmpword |= 0x0001; /* set bit 0 : COMA addr range enable */
+        pci_write_config_word(dev, LPC_EN, tmpword);
+
+        /* Setup DMA */
+        pci_write_config_word(dev, PCI_DMA_C, 0xc0c0); /* LPC I/F DMA on, channel 3  -- rtm (?? PCI DMA ?) */
+        pci_write_config_word(dev, GEN2_DEC, 0x131); /* LPC I/F 2nd decode range */
+
+        /* Pre-configure chip */
+        ret = preconfigure_smsc_chip(conf);
+
+        /* Disable LPC */
+        pci_read_config_word(dev, LPC_EN, &tmpword); /* LPC_EN register */
+        tmpword &= 0xfffc; /* mask bit 1 and bit 0, COMA addr range disable */
+        pci_write_config_word(dev, LPC_EN, tmpword);
+        return ret;
+}
+
+static int __init preconfigure_through_ali(struct pci_dev *dev,
+                                  struct smsc_ircc_subsystem_configuration *conf)
+{
+        /* TODO: put in ALi 1533 configuration here. */
+        IRDA_MESSAGE("SORRY: %s has an unsupported bridge controller (ALi): not pre-configured.\n", conf->name);
+        return -ENODEV;
+}
+
+static int __init smsc_ircc_preconfigure_subsystems(unsigned short ircc_cfg,
+                                                    unsigned short ircc_fir,
+                                                    unsigned short ircc_sir,
+                                                    unsigned char ircc_dma,
+                                                    unsigned char ircc_irq)
+{
+        struct pci_dev *dev = NULL;
+        unsigned short ss_vendor = 0x0000;
+        unsigned short ss_device = 0x0000;
+        int ret = 0;
+
+        dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev);
+
+        while (dev != NULL) {
+                struct smsc_ircc_subsystem_configuration *conf;
+
+                /*
+                 * Cache the subsystem vendor/device: some manufacturers fail to set
+                 * this for all components, so we save it in case there is just
+                 * 0x0000 0x0000 on the device we want to check.
+                 */
+                if (dev->subsystem_vendor != 0x0000U) {
+                        ss_vendor = dev->subsystem_vendor;
+                        ss_device = dev->subsystem_device;
+                }
+                conf = subsystem_configurations;
+                for( ; conf->subvendor; conf++) {
+                        if(conf->vendor == dev->vendor &&
+                           conf->device == dev->device &&
+                           conf->subvendor == ss_vendor && /* Sometimes these are cached values */
+                           (conf->subdevice == ss_device || conf->subdevice == 0xffff)) {
+                                struct smsc_ircc_subsystem_configuration tmpconf;
+
+                                memcpy(&tmpconf, conf, sizeof(struct smsc_ircc_subsystem_configuration));
+
+                                /* Override the default values with anything passed in as parameter */
+                                if (ircc_cfg != 0)
+                                        tmpconf.cfg_base = ircc_cfg;
+                                if (ircc_fir != 0)
+                                        tmpconf.fir_io = ircc_fir;
+                                if (ircc_sir != 0)
+                                        tmpconf.sir_io = ircc_sir;
+                                if (ircc_dma != 0xff)
+                                        tmpconf.fir_dma = ircc_dma;
+                                if (ircc_irq != 0xff)
+                                        tmpconf.fir_irq = ircc_irq;
+
+                                IRDA_MESSAGE("Detected unconfigured %s SMSC IrDA chip, pre-configuring device.\n", conf->name);
+                                if (conf->preconfigure)
+                                        ret = conf->preconfigure(dev, &tmpconf);
+                                else
+                                        ret = -ENODEV;
+                        }
+                }
+                dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev);
+        }
+
+        return ret;
+}
+#endif // CONFIG_PCI
+
 /************************************************
  *
  * Transceivers specific functions
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
index 75b35ad760de..66e74f740261 100644
--- a/drivers/net/netconsole.c
+++ b/drivers/net/netconsole.c
@@ -87,6 +87,7 @@ static void write_msg(struct console *con, const char *msg, unsigned int len)
 }
 
 static struct console netconsole = {
+        .name = "netcon",
         .flags = CON_ENABLED | CON_PRINTBUFFER,
         .write = write_msg
 };
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 0b5358072172..73e271e59c6a 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -497,21 +497,20 @@ static void tg3_write_mem(struct tg3 *tp, u32 off, u32 val)
         unsigned long flags;
 
         spin_lock_irqsave(&tp->indirect_lock, flags);
-        pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
-        pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
+        if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
+                pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
+                pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 
-        /* Always leave this as zero. */
-        pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
-        spin_unlock_irqrestore(&tp->indirect_lock, flags);
-}
+                /* Always leave this as zero. */
+                pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
+        } else {
+                tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
+                tw32_f(TG3PCI_MEM_WIN_DATA, val);
 
-static void tg3_write_mem_fast(struct tg3 *tp, u32 off, u32 val)
-{
-        /* If no workaround is needed, write to mem space directly */
-        if (tp->write32 != tg3_write_indirect_reg32)
-                tw32(NIC_SRAM_WIN_BASE + off, val);
-        else
-                tg3_write_mem(tp, off, val);
+                /* Always leave this as zero. */
+                tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
+        }
+        spin_unlock_irqrestore(&tp->indirect_lock, flags);
 }
 
 static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
@@ -519,11 +518,19 @@ static void tg3_read_mem(struct tg3 *tp, u32 off, u32 *val)
         unsigned long flags;
 
         spin_lock_irqsave(&tp->indirect_lock, flags);
-        pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
-        pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
+        if (tp->tg3_flags & TG3_FLAG_SRAM_USE_CONFIG) {
+                pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, off);
+                pci_read_config_dword(tp->pdev, TG3PCI_MEM_WIN_DATA, val);
 
-        /* Always leave this as zero. */
-        pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
+                /* Always leave this as zero. */
+                pci_write_config_dword(tp->pdev, TG3PCI_MEM_WIN_BASE_ADDR, 0);
+        } else {
+                tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, off);
+                *val = tr32(TG3PCI_MEM_WIN_DATA);
+
+                /* Always leave this as zero. */
+                tw32_f(TG3PCI_MEM_WIN_BASE_ADDR, 0);
+        }
         spin_unlock_irqrestore(&tp->indirect_lock, flags);
 }
 
@@ -1367,12 +1374,12 @@ static int tg3_set_power_state(struct tg3 *tp, pci_power_t state)
                 }
         }
 
+        tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
+
         /* Finally, set the new power state. */
         pci_write_config_word(tp->pdev, pm + PCI_PM_CTRL, power_control);
         udelay(100);    /* Delay after power state change */
 
-        tg3_write_sig_post_reset(tp, RESET_KIND_SHUTDOWN);
-
         return 0;
 }
 
@@ -5828,10 +5835,14 @@ static int tg3_reset_hw(struct tg3 *tp)
                           GRC_MODE_NO_TX_PHDR_CSUM |
                           GRC_MODE_NO_RX_PHDR_CSUM);
         tp->grc_mode |= GRC_MODE_HOST_SENDBDS;
-        if (tp->tg3_flags & TG3_FLAG_NO_TX_PSEUDO_CSUM)
-                tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
-        if (tp->tg3_flags & TG3_FLAG_NO_RX_PSEUDO_CSUM)
-                tp->grc_mode |= GRC_MODE_NO_RX_PHDR_CSUM;
+
+        /* Pseudo-header checksum is done by hardware logic and not
+         * the offload processers, so make the chip do the pseudo-
+         * header checksums on receive.  For transmit it is more
+         * convenient to do the pseudo-header checksum in software
+         * as Linux does that on transmit for us in all cases.
+         */
+        tp->grc_mode |= GRC_MODE_NO_TX_PHDR_CSUM;
 
         tw32(GRC_MODE,
              tp->grc_mode |
@@ -6535,11 +6546,11 @@ static void tg3_timer(unsigned long __opaque)
                 if (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) {
                         u32 val;
 
-                        tg3_write_mem_fast(tp, NIC_SRAM_FW_CMD_MBOX,
-                                           FWCMD_NICDRV_ALIVE2);
-                        tg3_write_mem_fast(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
+                        tg3_write_mem(tp, NIC_SRAM_FW_CMD_MBOX,
+                                      FWCMD_NICDRV_ALIVE2);
+                        tg3_write_mem(tp, NIC_SRAM_FW_CMD_LEN_MBOX, 4);
                         /* 5 seconds timeout */
-                        tg3_write_mem_fast(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
+                        tg3_write_mem(tp, NIC_SRAM_FW_CMD_DATA_MBOX, 5);
                         val = tr32(GRC_RX_CPU_EVENT);
                         val |= (1 << 14);
                         tw32(GRC_RX_CPU_EVENT, val);
@@ -8034,9 +8045,13 @@ static int tg3_test_nvram(struct tg3 *tp)
                 for (i = 0; i < size; i++)
                         csum8 += buf8[i];
 
-                if (csum8 == 0)
-                        return 0;
-                return -EIO;
+                if (csum8 == 0) {
+                        err = 0;
+                        goto out;
+                }
+
+                err = -EIO;
+                goto out;
         }
 
         /* Bootstrap checksum at offset 0x10 */
@@ -9531,8 +9546,11 @@ static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
         tp->led_ctrl = LED_CTRL_MODE_PHY_1;
 
         /* Do not even try poking around in here on Sun parts.  */
-        if (tp->tg3_flags2 & TG3_FLG2_SUN_570X)
+        if (tp->tg3_flags2 & TG3_FLG2_SUN_570X) {
+                /* All SUN chips are built-in LOMs. */
+                tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
                 return;
+        }
 
         tg3_read_mem(tp, NIC_SRAM_DATA_SIG, &val);
         if (val == NIC_SRAM_DATA_SIG_MAGIC) {
@@ -9630,9 +9648,7 @@ static void __devinit tg3_get_eeprom_hw_cfg(struct tg3 *tp)
                     tp->pdev->subsystem_vendor == PCI_VENDOR_ID_DELL)
                         tp->led_ctrl = LED_CTRL_MODE_PHY_2;
 
-                if ((GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5700) &&
-                    (GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) &&
-                    (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP))
+                if (nic_cfg & NIC_SRAM_DATA_CFG_EEPROM_WP)
                         tp->tg3_flags |= TG3_FLAG_EEPROM_WRITE_PROT;
 
                 if (nic_cfg & NIC_SRAM_DATA_CFG_ASF_ENABLE) {
@@ -10257,6 +10273,13 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
                 pci_write_config_word(tp->pdev, PCI_COMMAND, pci_cmd);
         }
 
+        if (tp->write32 == tg3_write_indirect_reg32 ||
+            ((tp->tg3_flags & TG3_FLAG_PCIX_MODE) &&
+             (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
+              GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701)) ||
+            (tp->tg3_flags2 & TG3_FLG2_SUN_570X))
+                tp->tg3_flags |= TG3_FLAG_SRAM_USE_CONFIG;
+
         /* Get eeprom hw config before calling tg3_set_power_state().
          * In particular, the TG3_FLAG_EEPROM_WRITE_PROT flag must be
          * determined before calling tg3_set_power_state() so that
@@ -10299,15 +10322,6 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
         if (tp->pci_chip_rev_id == CHIPREV_ID_5700_B0)
                 tp->tg3_flags |= TG3_FLAG_BROKEN_CHECKSUMS;
 
-        /* Pseudo-header checksum is done by hardware logic and not
-         * the offload processers, so make the chip do the pseudo-
-         * header checksums on receive.  For transmit it is more
-         * convenient to do the pseudo-header checksum in software
-         * as Linux does that on transmit for us in all cases.
-         */
-        tp->tg3_flags |= TG3_FLAG_NO_TX_PSEUDO_CSUM;
-        tp->tg3_flags &= ~TG3_FLAG_NO_RX_PSEUDO_CSUM;
-
         /* Derive initial jumbo mode from MTU assigned in
          * ether_setup() via the alloc_etherdev() call
          */
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index c43cc3264202..8c8b987d1250 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -2171,8 +2171,7 @@ struct tg3 {
 #define TG3_FLAG_PCIX_MODE              0x00020000
 #define TG3_FLAG_PCI_HIGH_SPEED         0x00040000
 #define TG3_FLAG_PCI_32BIT              0x00080000
-#define TG3_FLAG_NO_TX_PSEUDO_CSUM      0x00100000
-#define TG3_FLAG_NO_RX_PSEUDO_CSUM      0x00200000
+#define TG3_FLAG_SRAM_USE_CONFIG        0x00100000
 #define TG3_FLAG_SERDES_WOL_CAP         0x00400000
 #define TG3_FLAG_JUMBO_RING_ENABLE      0x00800000
 #define TG3_FLAG_10_100_ONLY            0x01000000
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index 412e52ca9720..b31a9bca9361 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -110,6 +110,8 @@ struct nf_info
 /* Function to register/unregister hook points. */
 int nf_register_hook(struct nf_hook_ops *reg);
 void nf_unregister_hook(struct nf_hook_ops *reg);
+int nf_register_hooks(struct nf_hook_ops *reg, unsigned int n);
+void nf_unregister_hooks(struct nf_hook_ops *reg, unsigned int n);
 
 /* Functions to register get/setsockopt ranges (non-inclusive).  You
    need to check permissions yourself! */
@@ -281,16 +283,42 @@ extern void nf_invalidate_cache(int pf);
    Returns true or false. */
 extern int skb_make_writable(struct sk_buff **pskb, unsigned int writable_len);
 
-struct nf_queue_rerouter {
-        void (*save)(const struct sk_buff *skb, struct nf_info *info);
-        int (*reroute)(struct sk_buff **skb, const struct nf_info *info);
-        int rer_size;
+struct nf_afinfo {
+        unsigned short  family;
+        unsigned int    (*checksum)(struct sk_buff *skb, unsigned int hook,
+                                    unsigned int dataoff, u_int8_t protocol);
+        void            (*saveroute)(const struct sk_buff *skb,
+                                     struct nf_info *info);
+        int             (*reroute)(struct sk_buff **skb,
+                                   const struct nf_info *info);
+        int             route_key_size;
 };
 
-#define nf_info_reroute(x) ((void *)x + sizeof(struct nf_info))
+extern struct nf_afinfo *nf_afinfo[];
+static inline struct nf_afinfo *nf_get_afinfo(unsigned short family)
+{
+        return rcu_dereference(nf_afinfo[family]);
+}
+
+static inline unsigned int
+nf_checksum(struct sk_buff *skb, unsigned int hook, unsigned int dataoff,
+            u_int8_t protocol, unsigned short family)
+{
+        struct nf_afinfo *afinfo;
+        unsigned int csum = 0;
+
+        rcu_read_lock();
+        afinfo = nf_get_afinfo(family);
+        if (afinfo)
+                csum = afinfo->checksum(skb, hook, dataoff, protocol);
+        rcu_read_unlock();
+        return csum;
+}
 
-extern int nf_register_queue_rerouter(int pf, struct nf_queue_rerouter *rer);
-extern int nf_unregister_queue_rerouter(int pf);
+extern int nf_register_afinfo(struct nf_afinfo *afinfo);
+extern void nf_unregister_afinfo(struct nf_afinfo *afinfo);
+
+#define nf_info_reroute(x) ((void *)x + sizeof(struct nf_info))
 
 #include <net/flow.h>
 extern void (*ip_nat_decode_session)(struct sk_buff *, struct flowi *);
diff --git a/include/linux/netfilter_ipv4.h b/include/linux/netfilter_ipv4.h
index 43c09d790b83..85301c5e8d24 100644
--- a/include/linux/netfilter_ipv4.h
+++ b/include/linux/netfilter_ipv4.h
@@ -80,6 +80,8 @@ enum nf_ip_hook_priorities {
 #ifdef __KERNEL__
 extern int ip_route_me_harder(struct sk_buff **pskb);
 extern int ip_xfrm_me_harder(struct sk_buff **pskb);
+extern unsigned int nf_ip_checksum(struct sk_buff *skb, unsigned int hook,
+                                   unsigned int dataoff, u_int8_t protocol);
 #endif /*__KERNEL__*/
 
 #endif /*__LINUX_IP_NETFILTER_H*/
diff --git a/include/linux/netfilter_ipv4/ip_conntrack_h323.h b/include/linux/netfilter_ipv4/ip_conntrack_h323.h
index 0987cea53840..eace86bd2adb 100644
--- a/include/linux/netfilter_ipv4/ip_conntrack_h323.h
+++ b/include/linux/netfilter_ipv4/ip_conntrack_h323.h
@@ -3,6 +3,8 @@
 
 #ifdef __KERNEL__
 
+#include <linux/netfilter_ipv4/ip_conntrack_helper_h323_asn1.h>
+
 #define RAS_PORT 1719
 #define Q931_PORT 1720
 #define H323_RTP_CHANNEL_MAX 4  /* Audio, video, FAX and other */
@@ -25,6 +27,56 @@ struct ip_ct_h323_master {
         };
 };
 
+struct ip_conntrack_expect;
+
+extern int get_h225_addr(unsigned char *data, TransportAddress * addr,
+                         u_int32_t * ip, u_int16_t * port);
+extern void ip_conntrack_h245_expect(struct ip_conntrack *new,
+                                     struct ip_conntrack_expect *this);
+extern void ip_conntrack_q931_expect(struct ip_conntrack *new,
+                                     struct ip_conntrack_expect *this);
+extern int (*set_h245_addr_hook) (struct sk_buff ** pskb,
+                                  unsigned char **data, int dataoff,
+                                  H245_TransportAddress * addr,
+                                  u_int32_t ip, u_int16_t port);
+extern int (*set_h225_addr_hook) (struct sk_buff ** pskb,
+                                  unsigned char **data, int dataoff,
+                                  TransportAddress * addr,
+                                  u_int32_t ip, u_int16_t port);
+extern int (*set_sig_addr_hook) (struct sk_buff ** pskb,
+                                 struct ip_conntrack * ct,
+                                 enum ip_conntrack_info ctinfo,
+                                 unsigned char **data,
+                                 TransportAddress * addr, int count);
+extern int (*set_ras_addr_hook) (struct sk_buff ** pskb,
+                                 struct ip_conntrack * ct,
+                                 enum ip_conntrack_info ctinfo,
+                                 unsigned char **data,
+                                 TransportAddress * addr, int count);
+extern int (*nat_rtp_rtcp_hook) (struct sk_buff ** pskb,
+                                 struct ip_conntrack * ct,
+                                 enum ip_conntrack_info ctinfo,
+                                 unsigned char **data, int dataoff,
+                                 H245_TransportAddress * addr,
+                                 u_int16_t port, u_int16_t rtp_port,
+                                 struct ip_conntrack_expect * rtp_exp,
+                                 struct ip_conntrack_expect * rtcp_exp);
+extern int (*nat_t120_hook) (struct sk_buff ** pskb, struct ip_conntrack * ct,
+                             enum ip_conntrack_info ctinfo,
+                             unsigned char **data, int dataoff,
+                             H245_TransportAddress * addr, u_int16_t port,
+                             struct ip_conntrack_expect * exp);
+extern int (*nat_h245_hook) (struct sk_buff ** pskb, struct ip_conntrack * ct,
+                             enum ip_conntrack_info ctinfo,
+                             unsigned char **data, int dataoff,
+                             TransportAddress * addr, u_int16_t port,
+                             struct ip_conntrack_expect * exp);
+extern int (*nat_q931_hook) (struct sk_buff ** pskb, struct ip_conntrack * ct,
+                             enum ip_conntrack_info ctinfo,
+                             unsigned char **data, TransportAddress * addr,
+                             int idx, u_int16_t port,
+                             struct ip_conntrack_expect * exp);
+
 #endif
 
 #endif
diff --git a/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.h b/include/linux/netfilter_ipv4/ip_conntrack_helper_h323_asn1.h
index 0bd828081c0c..0bd828081c0c 100644
--- a/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.h
+++ b/include/linux/netfilter_ipv4/ip_conntrack_helper_h323_asn1.h
diff --git a/net/ipv4/netfilter/ip_conntrack_helper_h323_types.h b/include/linux/netfilter_ipv4/ip_conntrack_helper_h323_types.h
index cc98f7aa5abe..cc98f7aa5abe 100644
--- a/net/ipv4/netfilter/ip_conntrack_helper_h323_types.h
+++ b/include/linux/netfilter_ipv4/ip_conntrack_helper_h323_types.h
diff --git a/include/linux/netfilter_ipv6.h b/include/linux/netfilter_ipv6.h
index 14f2bd010884..52a7b9e76428 100644
--- a/include/linux/netfilter_ipv6.h
+++ b/include/linux/netfilter_ipv6.h
@@ -73,6 +73,9 @@ enum nf_ip6_hook_priorities {
 };
 
 #ifdef CONFIG_NETFILTER
+extern unsigned int nf_ip6_checksum(struct sk_buff *skb, unsigned int hook,
+                                    unsigned int dataoff, u_int8_t protocol);
+
 extern int ipv6_netfilter_init(void);
 extern void ipv6_netfilter_fini(void);
 #else /* CONFIG_NETFILTER */
diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h
index 25f708ff020e..59f0c83d55a2 100644
--- a/include/net/inet6_hashtables.h
+++ b/include/net/inet6_hashtables.h
@@ -48,31 +48,7 @@ static inline int inet6_sk_ehashfn(const struct sock *sk)
         return inet6_ehashfn(laddr, lport, faddr, fport);
 }
 
-static inline void __inet6_hash(struct inet_hashinfo *hashinfo,
-                                struct sock *sk)
-{
-        struct hlist_head *list;
-        rwlock_t *lock;
-
-        BUG_TRAP(sk_unhashed(sk));
-
-        if (sk->sk_state == TCP_LISTEN) {
-                list = &hashinfo->listening_hash[inet_sk_listen_hashfn(sk)];
-                lock = &hashinfo->lhash_lock;
-                inet_listen_wlock(hashinfo);
-        } else {
-                unsigned int hash;
-                sk->sk_hash = hash = inet6_sk_ehashfn(sk);
-                hash &= (hashinfo->ehash_size - 1);
-                list = &hashinfo->ehash[hash].chain;
-                lock = &hashinfo->ehash[hash].lock;
-                write_lock(lock);
-        }
-
-        __sk_add_node(sk, list);
-        sock_prot_inc_use(sk->sk_prot);
-        write_unlock(lock);
-}
+extern void __inet6_hash(struct inet_hashinfo *hashinfo, struct sock *sk);
 
 /*
  * Sockets in TCP_CLOSE state are _always_ taken out of the hash, so
@@ -80,52 +56,12 @@ static inline void __inet6_hash(struct inet_hashinfo *hashinfo,
  *
  * The sockhash lock must be held as a reader here.
  */
-static inline struct sock *
-                __inet6_lookup_established(struct inet_hashinfo *hashinfo,
+extern struct sock *__inet6_lookup_established(struct inet_hashinfo *hashinfo,
                                            const struct in6_addr *saddr,
                                            const u16 sport,
                                            const struct in6_addr *daddr,
                                            const u16 hnum,
-                                           const int dif)
-{
-        struct sock *sk;
-        const struct hlist_node *node;
-        const __u32 ports = INET_COMBINED_PORTS(sport, hnum);
-        /* Optimize here for direct hit, only listening connections can
-         * have wildcards anyways.
-         */
-        unsigned int hash = inet6_ehashfn(daddr, hnum, saddr, sport);
-        struct inet_ehash_bucket *head = inet_ehash_bucket(hashinfo, hash);
-
-        prefetch(head->chain.first);
-        read_lock(&head->lock);
-        sk_for_each(sk, node, &head->chain) {
-                /* For IPV6 do the cheaper port and family tests first. */
-                if (INET6_MATCH(sk, hash, saddr, daddr, ports, dif))
-                        goto hit; /* You sunk my battleship! */
-        }
-        /* Must check for a TIME_WAIT'er before going to listener hash. */
-        sk_for_each(sk, node, &(head + hashinfo->ehash_size)->chain) {
-                const struct inet_timewait_sock *tw = inet_twsk(sk);
-
-                if(*((__u32 *)&(tw->tw_dport))  == ports        &&
-                   sk->sk_family                == PF_INET6) {
-                        const struct inet6_timewait_sock *tw6 = inet6_twsk(sk);
-
-                        if (ipv6_addr_equal(&tw6->tw_v6_daddr, saddr)   &&
-                            ipv6_addr_equal(&tw6->tw_v6_rcv_saddr, daddr)       &&
-                            (!sk->sk_bound_dev_if || sk->sk_bound_dev_if == dif))
-                                goto hit;
-                }
-        }
-        read_unlock(&head->lock);
-        return NULL;
-
-hit:
-        sock_hold(sk);
-        read_unlock(&head->lock);
-        return sk;
-}
+                                           const int dif);
 
 extern struct sock *inet6_lookup_listener(struct inet_hashinfo *hashinfo,
                                           const struct in6_addr *daddr,
diff --git a/include/net/ip.h b/include/net/ip.h
index 8fe6156ca9b0..3d2e5ca62a5a 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -95,6 +95,7 @@ extern int		ip_local_deliver(struct sk_buff *skb);
 extern int              ip_mr_input(struct sk_buff *skb);
 extern int              ip_output(struct sk_buff *skb);
 extern int              ip_mc_output(struct sk_buff *skb);
+extern int              ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *));
 extern int              ip_do_nat(struct sk_buff *skb);
 extern void             ip_send_check(struct iphdr *ip);
 extern int              ip_queue_xmit(struct sk_buff *skb, int ipfragok);
diff --git a/include/net/x25device.h b/include/net/x25device.h
index 1a318374faef..1d10c879f7e2 100644
--- a/include/net/x25device.h
+++ b/include/net/x25device.h
@@ -8,6 +8,7 @@
 static inline __be16 x25_type_trans(struct sk_buff *skb, struct net_device *dev)
 {
         skb->mac.raw = skb->data;
+        skb->dev = dev;
         skb->pkt_type = PACKET_HOST;
         
         return htons(ETH_P_X25);
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 6b61323ce23c..0c2d13ad69bb 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -255,7 +255,7 @@ static inline int sco_send_frame(struct sock *sk, struct msghdr *msg, int len)
         }
 
         if ((err = hci_send_sco(conn->hcon, skb)) < 0)
-                goto fail;
+                return err;
 
         return count;
 
diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c
index f29450b788be..3da9264449f7 100644
--- a/net/bridge/br_netfilter.c
+++ b/net/bridge/br_netfilter.c
@@ -765,6 +765,15 @@ out:
         return NF_STOLEN;
 }
 
+static int br_nf_dev_queue_xmit(struct sk_buff *skb)
+{
+        if (skb->protocol == htons(ETH_P_IP) &&
+            skb->len > skb->dev->mtu &&
+            !(skb_shinfo(skb)->ufo_size || skb_shinfo(skb)->tso_size))
+                return ip_fragment(skb, br_dev_queue_push_xmit);
+        else
+                return br_dev_queue_push_xmit(skb);
+}
 
 /* PF_BRIDGE/POST_ROUTING ********************************************/
 static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff **pskb,
@@ -824,7 +833,7 @@ static unsigned int br_nf_post_routing(unsigned int hook, struct sk_buff **pskb,
                 realoutdev = nf_bridge->netoutdev;
 #endif
         NF_HOOK(pf, NF_IP_POST_ROUTING, skb, NULL, realoutdev,
-                br_dev_queue_push_xmit);
+                br_nf_dev_queue_xmit);
 
         return NF_STOLEN;
 
@@ -869,7 +878,7 @@ static unsigned int ip_sabotage_out(unsigned int hook, struct sk_buff **pskb,
 
         if ((out->hard_start_xmit == br_dev_xmit &&
              okfn != br_nf_forward_finish &&
-             okfn != br_nf_local_out_finish && okfn != br_dev_queue_push_xmit)
+             okfn != br_nf_local_out_finish && okfn != br_nf_dev_queue_xmit)
 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
             || ((out->priv_flags & IFF_802_1Q_VLAN) &&
                 VLAN_DEV_INFO(out)->real_dev->hard_start_xmit == br_dev_xmit)
diff --git a/net/core/dev.c b/net/core/dev.c
index 434220d093aa..2731570eba5b 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3042,11 +3042,11 @@ void netdev_run_todo(void)
 
                 switch(dev->reg_state) {
                 case NETREG_REGISTERING:
+                        dev->reg_state = NETREG_REGISTERED;
                         err = netdev_register_sysfs(dev);
                         if (err)
                                 printk(KERN_ERR "%s: failed sysfs registration (%d)\n",
                                        dev->name, err);
-                        dev->reg_state = NETREG_REGISTERED;
                         break;
 
                 case NETREG_UNREGISTERING:
@@ -3100,12 +3100,11 @@ struct net_device *alloc_netdev(int sizeof_priv, const char *name,
         alloc_size = (sizeof(*dev) + NETDEV_ALIGN_CONST) & ~NETDEV_ALIGN_CONST;
         alloc_size += sizeof_priv + NETDEV_ALIGN_CONST;
 
-        p = kmalloc(alloc_size, GFP_KERNEL);
+        p = kzalloc(alloc_size, GFP_KERNEL);
         if (!p) {
                 printk(KERN_ERR "alloc_dev: Unable to allocate device.\n");
                 return NULL;
         }
-        memset(p, 0, alloc_size);
 
         dev = (struct net_device *)
                 (((long)p + NETDEV_ALIGN_CONST) & ~NETDEV_ALIGN_CONST);
diff --git a/net/core/dv.c b/net/core/dv.c
index cf581407538c..29ee77f15932 100644
--- a/net/core/dv.c
+++ b/net/core/dv.c
@@ -55,15 +55,12 @@ int alloc_divert_blk(struct net_device *dev)
 
         dev->divert = NULL;
         if (dev->type == ARPHRD_ETHER) {
-                dev->divert = (struct divert_blk *)
-                        kmalloc(alloc_size, GFP_KERNEL);
+                dev->divert = kzalloc(alloc_size, GFP_KERNEL);
                 if (dev->divert == NULL) {
                         printk(KERN_INFO "divert: unable to allocate divert_blk for %s\n",
                                dev->name);
                         return -ENOMEM;
                 }
-
-                memset(dev->divert, 0, sizeof(struct divert_blk));
                 dev_hold(dev);
         }
 
diff --git a/net/core/flow.c b/net/core/flow.c
index 55789f832eda..885a2f655db0 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -318,12 +318,10 @@ static void __devinit flow_cache_cpu_prepare(int cpu)
                 /* NOTHING */;
 
         flow_table(cpu) = (struct flow_cache_entry **)
-                __get_free_pages(GFP_KERNEL, order);
+                __get_free_pages(GFP_KERNEL|__GFP_ZERO, order);
         if (!flow_table(cpu))
                 panic("NET: failed to allocate flow cache order %lu\n", order);
 
-        memset(flow_table(cpu), 0, PAGE_SIZE << order);
-
         flow_hash_rnd_recalc(cpu) = 1;
         flow_count(cpu) = 0;
 
diff --git a/net/core/gen_estimator.c b/net/core/gen_estimator.c
index b07c029e8219..3cad026764f0 100644
--- a/net/core/gen_estimator.c
+++ b/net/core/gen_estimator.c
@@ -159,11 +159,10 @@ int gen_new_estimator(struct gnet_stats_basic *bstats,
         if (parm->interval < -2 || parm->interval > 3)
                 return -EINVAL;
 
-        est = kmalloc(sizeof(*est), GFP_KERNEL);
+        est = kzalloc(sizeof(*est), GFP_KERNEL);
         if (est == NULL)
                 return -ENOBUFS;
 
-        memset(est, 0, sizeof(*est));
         est->interval = parm->interval + 2;
         est->bstats = bstats;
         est->rate_est = rate_est;
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 0c8666872d10..2ec8693fb778 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -284,14 +284,11 @@ static struct neighbour **neigh_hash_alloc(unsigned int entries)
         struct neighbour **ret;
 
         if (size <= PAGE_SIZE) {
-                ret = kmalloc(size, GFP_ATOMIC);
+                ret = kzalloc(size, GFP_ATOMIC);
         } else {
                 ret = (struct neighbour **)
-                        __get_free_pages(GFP_ATOMIC, get_order(size));
+                      __get_free_pages(GFP_ATOMIC|__GFP_ZERO, get_order(size));
         }
-        if (ret)
-                memset(ret, 0, size);
-
         return ret;
 }
 
@@ -1089,8 +1086,7 @@ static void neigh_hh_init(struct neighbour *n, struct dst_entry *dst,
                 if (hh->hh_type == protocol)
                         break;
 
-        if (!hh && (hh = kmalloc(sizeof(*hh), GFP_ATOMIC)) != NULL) {
-                memset(hh, 0, sizeof(struct hh_cache));
+        if (!hh && (hh = kzalloc(sizeof(*hh), GFP_ATOMIC)) != NULL) {
                 rwlock_init(&hh->hh_lock);
                 hh->hh_type = protocol;
                 atomic_set(&hh->hh_refcnt, 0);
@@ -1366,13 +1362,11 @@ void neigh_table_init(struct neigh_table *tbl)
         tbl->hash_buckets = neigh_hash_alloc(tbl->hash_mask + 1);
 
         phsize = (PNEIGH_HASHMASK + 1) * sizeof(struct pneigh_entry *);
-        tbl->phash_buckets = kmalloc(phsize, GFP_KERNEL);
+        tbl->phash_buckets = kzalloc(phsize, GFP_KERNEL);
 
         if (!tbl->hash_buckets || !tbl->phash_buckets)
                 panic("cannot allocate neighbour cache hashes");
 
-        memset(tbl->phash_buckets, 0, phsize);
-
         get_random_bytes(&tbl->hash_rnd, sizeof(tbl->hash_rnd));
 
         rwlock_init(&tbl->lock);
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 21b68464cabb..c12990c9c603 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -165,7 +165,7 @@ static ssize_t show_operstate(struct class_device *dev, char *buf)
                 operstate = IF_OPER_DOWN;
         read_unlock(&dev_base_lock);
 
-        if (operstate >= sizeof(operstates))
+        if (operstate >= ARRAY_SIZE(operstates))
                 return -EINVAL; /* should not happen */
 
         return sprintf(buf, "%s\n", operstates[operstate]);
diff --git a/net/core/request_sock.c b/net/core/request_sock.c
index 1e44eda1fda9..79ebd75fbe4d 100644
--- a/net/core/request_sock.c
+++ b/net/core/request_sock.c
@@ -38,13 +38,11 @@ int reqsk_queue_alloc(struct request_sock_queue *queue,
 {
         const int lopt_size = sizeof(struct listen_sock) +
                               nr_table_entries * sizeof(struct request_sock *);
-        struct listen_sock *lopt = kmalloc(lopt_size, GFP_KERNEL);
+        struct listen_sock *lopt = kzalloc(lopt_size, GFP_KERNEL);
 
         if (lopt == NULL)
                 return -ENOMEM;
 
-        memset(lopt, 0, lopt_size);
-
         for (lopt->max_qlen_log = 6;
              (1 << lopt->max_qlen_log) < sysctl_max_syn_backlog;
              lopt->max_qlen_log++);
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index ccd3efc6a173..95a639f2e3db 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -50,7 +50,7 @@
  *              Patrick McHardy <kaber@trash.net>
  */
 
-#define VERSION "0.406"
+#define VERSION "0.407"
 
 #include <linux/config.h>
 #include <asm/uaccess.h>
@@ -314,11 +314,6 @@ static void __leaf_free_rcu(struct rcu_head *head)
         kfree(container_of(head, struct leaf, rcu));
 }
 
-static inline void free_leaf(struct leaf *leaf)
-{
-        call_rcu(&leaf->rcu, __leaf_free_rcu);
-}
-
 static void __leaf_info_free_rcu(struct rcu_head *head)
 {
         kfree(container_of(head, struct leaf_info, rcu));
@@ -357,7 +352,12 @@ static void __tnode_free_rcu(struct rcu_head *head)
 
 static inline void tnode_free(struct tnode *tn)
 {
-        call_rcu(&tn->rcu, __tnode_free_rcu);
+        if(IS_LEAF(tn)) {
+                struct leaf *l = (struct leaf *) tn;
+                call_rcu_bh(&l->rcu, __leaf_free_rcu);
+        }
+        else
+                call_rcu(&tn->rcu, __tnode_free_rcu);
 }
 
 static struct leaf *leaf_new(void)
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 2a8adda15e11..da734c439179 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -304,13 +304,17 @@ out:
 
 /* Creation primitives. */
 
-static struct ipq *ip_frag_intern(unsigned int hash, struct ipq *qp_in)
+static struct ipq *ip_frag_intern(struct ipq *qp_in)
 {
         struct ipq *qp;
 #ifdef CONFIG_SMP
         struct hlist_node *n;
 #endif
+        unsigned int hash;
+
         write_lock(&ipfrag_lock);
+        hash = ipqhashfn(qp_in->id, qp_in->saddr, qp_in->daddr,
+                         qp_in->protocol);
 #ifdef CONFIG_SMP
         /* With SMP race we have to recheck hash table, because
          * such entry could be created on other cpu, while we
@@ -345,7 +349,7 @@ static struct ipq *ip_frag_intern(unsigned int hash, struct ipq *qp_in)
 }
 
 /* Add an entry to the 'ipq' queue for a newly received IP datagram. */
-static struct ipq *ip_frag_create(unsigned hash, struct iphdr *iph, u32 user)
+static struct ipq *ip_frag_create(struct iphdr *iph, u32 user)
 {
         struct ipq *qp;
 
@@ -371,7 +375,7 @@ static struct ipq *ip_frag_create(unsigned hash, struct iphdr *iph, u32 user)
         spin_lock_init(&qp->lock);
         atomic_set(&qp->refcnt, 1);
 
-        return ip_frag_intern(hash, qp);
+        return ip_frag_intern(qp);
 
 out_nomem:
         LIMIT_NETDEBUG(KERN_ERR "ip_frag_create: no memory left !\n");
@@ -387,11 +391,12 @@ static inline struct ipq *ip_find(struct iphdr *iph, u32 user)
         __u32 saddr = iph->saddr;
         __u32 daddr = iph->daddr;
         __u8 protocol = iph->protocol;
-        unsigned int hash = ipqhashfn(id, saddr, daddr, protocol);
+        unsigned int hash;
         struct ipq *qp;
         struct hlist_node *n;
 
         read_lock(&ipfrag_lock);
+        hash = ipqhashfn(id, saddr, daddr, protocol);
         hlist_for_each_entry(qp, n, &ipq_hash[hash], list) {
                 if(qp->id == id         &&
                    qp->saddr == saddr   &&
@@ -405,7 +410,7 @@ static inline struct ipq *ip_find(struct iphdr *iph, u32 user)
         }
         read_unlock(&ipfrag_lock);
 
-        return ip_frag_create(hash, iph, user);
+        return ip_frag_create(iph, user);
 }
 
 /* Is the fragment too far ahead to be part of ipq? */
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 9981dcd68f11..ab99bebdcdc8 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -656,7 +656,7 @@ static int ipgre_rcv(struct sk_buff *skb)
                 read_unlock(&ipgre_lock);
                 return(0);
         }
-        icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PROT_UNREACH, 0);
+        icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, 0);
 
 drop:
         read_unlock(&ipgre_lock);
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index f75ff1d96551..8dcba3887f04 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -86,8 +86,6 @@
 
 int sysctl_ip_default_ttl = IPDEFTTL;
 
-static int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*));
-
 /* Generate a checksum for an outgoing IP datagram. */
 __inline__ void ip_send_check(struct iphdr *iph)
 {
@@ -421,7 +419,7 @@ static void ip_copy_metadata(struct sk_buff *to, struct sk_buff *from)
  *      single device frame, and queue such a frame for sending.
  */
 
-static int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*))
+int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*))
 {
         struct iphdr *iph;
         int raw = 0;
@@ -673,6 +671,8 @@ fail:
         return err;
 }
 
+EXPORT_SYMBOL(ip_fragment);
+
 int
 ip_generic_getfrag(void *from, char *to, int offset, int len, int odd, struct sk_buff *skb)
 {
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index eef07b0916a3..ea398ee43f28 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -474,9 +474,6 @@ static int ipip_rcv(struct sk_buff *skb)
         struct iphdr *iph;
         struct ip_tunnel *tunnel;
 
-        if (!pskb_may_pull(skb, sizeof(struct iphdr)))
-                goto out;
-
         iph = skb->nh.iph;
 
         read_lock(&ipip_lock);
@@ -508,7 +505,6 @@ static int ipip_rcv(struct sk_buff *skb)
         }
         read_unlock(&ipip_lock);
 
-out:
         return -1;
 }
 
diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index b5ad9ac2fbcc..6a9e34b794bc 100644
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -133,7 +133,7 @@ struct ip_rt_info {
         u_int8_t tos;
 };
 
-static void queue_save(const struct sk_buff *skb, struct nf_info *info)
+static void nf_ip_saveroute(const struct sk_buff *skb, struct nf_info *info)
 {
         struct ip_rt_info *rt_info = nf_info_reroute(info);
 
@@ -146,7 +146,7 @@ static void queue_save(const struct sk_buff *skb, struct nf_info *info)
         }
 }
 
-static int queue_reroute(struct sk_buff **pskb, const struct nf_info *info)
+static int nf_ip_reroute(struct sk_buff **pskb, const struct nf_info *info)
 {
         const struct ip_rt_info *rt_info = nf_info_reroute(info);
 
@@ -161,20 +161,54 @@ static int queue_reroute(struct sk_buff **pskb, const struct nf_info *info)
         return 0;
 }
 
-static struct nf_queue_rerouter ip_reroute = {
-        .rer_size       = sizeof(struct ip_rt_info),
-        .save           = queue_save,
-        .reroute        = queue_reroute,
+unsigned int nf_ip_checksum(struct sk_buff *skb, unsigned int hook,
+                            unsigned int dataoff, u_int8_t protocol)
+{
+        struct iphdr *iph = skb->nh.iph;
+        unsigned int csum = 0;
+
+        switch (skb->ip_summed) {
+        case CHECKSUM_HW:
+                if (hook != NF_IP_PRE_ROUTING && hook != NF_IP_LOCAL_IN)
+                        break;
+                if ((protocol == 0 && !(u16)csum_fold(skb->csum)) ||
+                    !csum_tcpudp_magic(iph->saddr, iph->daddr,
+                                       skb->len - dataoff, protocol,
+                                       skb->csum)) {
+                        skb->ip_summed = CHECKSUM_UNNECESSARY;
+                        break;
+                }
+                /* fall through */
+        case CHECKSUM_NONE:
+                if (protocol == 0)
+                        skb->csum = 0;
+                else
+                        skb->csum = csum_tcpudp_nofold(iph->saddr, iph->daddr,
+                                                       skb->len - dataoff,
+                                                       protocol, 0);
+                csum = __skb_checksum_complete(skb);
+        }
+        return csum;
+}
+
+EXPORT_SYMBOL(nf_ip_checksum);
+
+static struct nf_afinfo nf_ip_afinfo = {
+        .family         = AF_INET,
+        .checksum       = nf_ip_checksum,
+        .saveroute      = nf_ip_saveroute,
+        .reroute        = nf_ip_reroute,
+        .route_key_size = sizeof(struct ip_rt_info),
 };
 
 static int ipv4_netfilter_init(void)
 {
-        return nf_register_queue_rerouter(PF_INET, &ip_reroute);
+        return nf_register_afinfo(&nf_ip_afinfo);
 }
 
 static void ipv4_netfilter_fini(void)
 {
-        nf_unregister_queue_rerouter(PF_INET);
+        nf_unregister_afinfo(&nf_ip_afinfo);
 }
 
 module_init(ipv4_netfilter_init);
diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig
index 77855ccd6b43..c60fd5c4ea1e 100644
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -69,6 +69,7 @@ config IP_NF_CONNTRACK_NETLINK
         tristate 'Connection tracking netlink interface (EXPERIMENTAL)'
         depends on EXPERIMENTAL && IP_NF_CONNTRACK && NETFILTER_NETLINK
         depends on IP_NF_CONNTRACK!=y || NETFILTER_NETLINK!=m
+        depends on IP_NF_NAT=n || IP_NF_NAT
         help
           This option enables support for a netlink-based userspace interface
 
diff --git a/net/ipv4/netfilter/arptable_filter.c b/net/ipv4/netfilter/arptable_filter.c
index d0d379c7df9a..d7c472faa53b 100644
--- a/net/ipv4/netfilter/arptable_filter.c
+++ b/net/ipv4/netfilter/arptable_filter.c
@@ -181,33 +181,26 @@ static struct nf_hook_ops arpt_ops[] = {
 
 static int __init arptable_filter_init(void)
 {
-        int ret, i;
+        int ret;
 
         /* Register table */
         ret = arpt_register_table(&packet_filter, &initial_table.repl);
         if (ret < 0)
                 return ret;
 
-        for (i = 0; i < ARRAY_SIZE(arpt_ops); i++)
-                if ((ret = nf_register_hook(&arpt_ops[i])) < 0)
-                        goto cleanup_hooks;
+        ret = nf_register_hooks(arpt_ops, ARRAY_SIZE(arpt_ops));
+        if (ret < 0)
+                goto cleanup_table;
         return ret;
 
-cleanup_hooks:
-        while (--i >= 0)
-                nf_unregister_hook(&arpt_ops[i]);
-
+cleanup_table:
         arpt_unregister_table(&packet_filter);
         return ret;
 }
 
 static void __exit arptable_filter_fini(void)
 {
-        unsigned int i;
-
-        for (i = 0; i < ARRAY_SIZE(arpt_ops); i++)
-                nf_unregister_hook(&arpt_ops[i]);
-
+        nf_unregister_hooks(arpt_ops, ARRAY_SIZE(arpt_ops));
         arpt_unregister_table(&packet_filter);
 }
 
diff --git a/net/ipv4/netfilter/ip_conntrack_helper_h323.c b/net/ipv4/netfilter/ip_conntrack_helper_h323.c
index daeb1395faa4..2c2fb700d835 100644
--- a/net/ipv4/netfilter/ip_conntrack_helper_h323.c
+++ b/net/ipv4/netfilter/ip_conntrack_helper_h323.c
@@ -9,37 +9,6 @@
  * Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
  *
  * For more information, please see http://nath323.sourceforge.net/
- *
- * Changes:
- *      2006-02-01 - initial version 0.1
- *
- *      2006-02-20 - version 0.2
- *        1. Changed source format to follow kernel conventions
- *        2. Deleted some unnecessary structures
- *        3. Minor fixes
- *
- *      2006-03-10 - version 0.3
- *        1. Added support for multiple TPKTs in one packet (suggested by
- *           Patrick McHardy)
- *        2. Avoid excessive stack usage (based on Patrick McHardy's patch)
- *        3. Added support for non-linear skb (based on Patrick McHardy's patch)
- *        4. Fixed missing H.245 module owner (Patrick McHardy)
- *        5. Avoid long RAS expectation chains (Patrick McHardy)
- *        6. Fixed incorrect __exit attribute (Patrick McHardy)
- *        7. Eliminated unnecessary return code
- *        8. Fixed incorrect use of NAT data from conntrack code (suggested by
- *           Patrick McHardy)
- *        9. Fixed TTL calculation error in RCF
- *        10. Added TTL support in RRQ
- *        11. Better support for separate TPKT header and data
- *
- *      2006-03-15 - version 0.4
- *        1. Added support for T.120 channels
- *        2. Added parameter gkrouted_only (suggested by Patrick McHardy)
- *        3. Splitted ASN.1 code and data (suggested by Patrick McHardy)
- *        4. Sort ASN.1 data to avoid forwarding declarations (suggested by
- *           Patrick McHardy)
- *        5. Reset next TPKT data length in get_tpkt_data()
  */
 
 #include <linux/config.h>
@@ -54,8 +23,6 @@
 #include <linux/netfilter_ipv4/ip_conntrack_h323.h>
 #include <linux/moduleparam.h>
 
-#include "ip_conntrack_helper_h323_asn1.h"
-
 #if 0
 #define DEBUGP printk
 #else
@@ -63,6 +30,10 @@
 #endif
 
 /* Parameters */
+static unsigned int default_rrq_ttl = 300;
+module_param(default_rrq_ttl, uint, 0600);
+MODULE_PARM_DESC(default_rrq_ttl, "use this TTL if it's missing in RRQ");
+
 static int gkrouted_only = 1;
 module_param(gkrouted_only, int, 0600);
 MODULE_PARM_DESC(gkrouted_only, "only accept calls from gatekeeper");
@@ -222,8 +193,8 @@ static int get_tpkt_data(struct sk_buff **pskb, struct ip_conntrack *ct,
 }
 
 /****************************************************************************/
-int get_h245_addr(unsigned char *data, H245_TransportAddress * addr,
-                  u_int32_t * ip, u_int16_t * port)
+static int get_h245_addr(unsigned char *data, H245_TransportAddress * addr,
+                         u_int32_t * ip, u_int16_t * port)
 {
         unsigned char *p;
 
@@ -1302,7 +1273,7 @@ static int process_rrq(struct sk_buff **pskb, struct ip_conntrack *ct,
                 DEBUGP("ip_ct_ras: RRQ TTL = %u seconds\n", rrq->timeToLive);
                 info->timeout = rrq->timeToLive;
         } else
-                info->timeout = 0;
+                info->timeout = default_rrq_ttl;
 
         return 0;
 }
@@ -1713,18 +1684,17 @@ static int __init init(void)
 module_init(init);
 module_exit(fini);
 
-EXPORT_SYMBOL(get_h245_addr);
-EXPORT_SYMBOL(get_h225_addr);
-EXPORT_SYMBOL(ip_conntrack_h245_expect);
-EXPORT_SYMBOL(ip_conntrack_q931_expect);
-EXPORT_SYMBOL(set_h245_addr_hook);
-EXPORT_SYMBOL(set_h225_addr_hook);
-EXPORT_SYMBOL(set_sig_addr_hook);
-EXPORT_SYMBOL(set_ras_addr_hook);
-EXPORT_SYMBOL(nat_rtp_rtcp_hook);
-EXPORT_SYMBOL(nat_t120_hook);
-EXPORT_SYMBOL(nat_h245_hook);
-EXPORT_SYMBOL(nat_q931_hook);
+EXPORT_SYMBOL_GPL(get_h225_addr);
+EXPORT_SYMBOL_GPL(ip_conntrack_h245_expect);
+EXPORT_SYMBOL_GPL(ip_conntrack_q931_expect);
+EXPORT_SYMBOL_GPL(set_h245_addr_hook);
+EXPORT_SYMBOL_GPL(set_h225_addr_hook);
+EXPORT_SYMBOL_GPL(set_sig_addr_hook);
+EXPORT_SYMBOL_GPL(set_ras_addr_hook);
+EXPORT_SYMBOL_GPL(nat_rtp_rtcp_hook);
+EXPORT_SYMBOL_GPL(nat_t120_hook);
+EXPORT_SYMBOL_GPL(nat_h245_hook);
+EXPORT_SYMBOL_GPL(nat_q931_hook);
 
 MODULE_AUTHOR("Jing Min Zhao <zhaojingmin@users.sourceforge.net>");
 MODULE_DESCRIPTION("H.323 connection tracking helper");
diff --git a/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c b/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c
index afa525129b51..48078002e450 100644
--- a/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c
+++ b/net/ipv4/netfilter/ip_conntrack_helper_h323_asn1.c
@@ -15,7 +15,7 @@
 #else
 #include <stdio.h>
 #endif
-#include "ip_conntrack_helper_h323_asn1.h"
+#include <linux/netfilter_ipv4/ip_conntrack_helper_h323_asn1.h>
 
 /* Trace Flag */
 #ifndef H323_TRACE
diff --git a/net/ipv4/netfilter/ip_conntrack_proto_icmp.c b/net/ipv4/netfilter/ip_conntrack_proto_icmp.c
index 3021af0910f1..d8b14a9010a6 100644
--- a/net/ipv4/netfilter/ip_conntrack_proto_icmp.c
+++ b/net/ipv4/netfilter/ip_conntrack_proto_icmp.c
@@ -224,25 +224,14 @@ icmp_error(struct sk_buff *skb, enum ip_conntrack_info *ctinfo,
         }
 
         /* See ip_conntrack_proto_tcp.c */
-        if (hooknum != NF_IP_PRE_ROUTING)
-                goto checksum_skipped;
-
-        switch (skb->ip_summed) {
-        case CHECKSUM_HW:
-                if (!(u16)csum_fold(skb->csum)) 
-                        break;
-                /* fall through */
-        case CHECKSUM_NONE:
-                skb->csum = 0;
-                if (__skb_checksum_complete(skb)) {
-                        if (LOG_INVALID(IPPROTO_ICMP))
-                                nf_log_packet(PF_INET, 0, skb, NULL, NULL, NULL,
-                                              "ip_ct_icmp: bad ICMP checksum ");
-                        return -NF_ACCEPT;
-                }
+        if (hooknum == NF_IP_PRE_ROUTING &&
+            nf_ip_checksum(skb, hooknum, skb->nh.iph->ihl * 4, 0)) {
+                if (LOG_INVALID(IPPROTO_ICMP))
+                        nf_log_packet(PF_INET, 0, skb, NULL, NULL, NULL,
+                                      "ip_ct_icmp: bad ICMP checksum ");
+                return -NF_ACCEPT;
         }
 
-checksum_skipped:
         /*
          *      18 is the highest 'known' ICMP type. Anything else is a mystery
          *
diff --git a/net/ipv4/netfilter/ip_conntrack_proto_tcp.c b/net/ipv4/netfilter/ip_conntrack_proto_tcp.c
index e0dc37063545..062b252b58ad 100644
--- a/net/ipv4/netfilter/ip_conntrack_proto_tcp.c
+++ b/net/ipv4/netfilter/ip_conntrack_proto_tcp.c
@@ -870,11 +870,8 @@ static int tcp_error(struct sk_buff *skb,
          * and moreover root might send raw packets.
          */
         /* FIXME: Source route IP option packets --RR */
-        if (hooknum == NF_IP_PRE_ROUTING
-            && skb->ip_summed != CHECKSUM_UNNECESSARY
-            && csum_tcpudp_magic(iph->saddr, iph->daddr, tcplen, IPPROTO_TCP,
-                                 skb->ip_summed == CHECKSUM_HW ? skb->csum
-                                 : skb_checksum(skb, iph->ihl*4, tcplen, 0))) {
+        if (hooknum == NF_IP_PRE_ROUTING &&
+            nf_ip_checksum(skb, hooknum, iph->ihl * 4, IPPROTO_TCP)) {
                 if (LOG_INVALID(IPPROTO_TCP))
                         nf_log_packet(PF_INET, 0, skb, NULL, NULL, NULL,
                                   "ip_ct_tcp: bad TCP checksum ");
diff --git a/net/ipv4/netfilter/ip_conntrack_proto_udp.c b/net/ipv4/netfilter/ip_conntrack_proto_udp.c
index 55b7d3210adf..70899868783b 100644
--- a/net/ipv4/netfilter/ip_conntrack_proto_udp.c
+++ b/net/ipv4/netfilter/ip_conntrack_proto_udp.c
@@ -120,11 +120,8 @@ static int udp_error(struct sk_buff *skb, enum ip_conntrack_info *ctinfo,
          * because the semantic of CHECKSUM_HW is different there 
          * and moreover root might send raw packets.
          * FIXME: Source route IP option packets --RR */
-        if (hooknum == NF_IP_PRE_ROUTING
-            && skb->ip_summed != CHECKSUM_UNNECESSARY
-            && csum_tcpudp_magic(iph->saddr, iph->daddr, udplen, IPPROTO_UDP,
-                                 skb->ip_summed == CHECKSUM_HW ? skb->csum
-                                 : skb_checksum(skb, iph->ihl*4, udplen, 0))) {
+        if (hooknum == NF_IP_PRE_ROUTING &&
+            nf_ip_checksum(skb, hooknum, iph->ihl * 4, IPPROTO_UDP)) {
                 if (LOG_INVALID(IPPROTO_UDP))
                         nf_log_packet(PF_INET, 0, skb, NULL, NULL, NULL,
                                   "ip_ct_udp: bad UDP checksum ");
diff --git a/net/ipv4/netfilter/ip_conntrack_standalone.c b/net/ipv4/netfilter/ip_conntrack_standalone.c
index 52076026db36..929d61f7be91 100644
--- a/net/ipv4/netfilter/ip_conntrack_standalone.c
+++ b/net/ipv4/netfilter/ip_conntrack_standalone.c
@@ -469,70 +469,63 @@ static unsigned int ip_conntrack_local(unsigned int hooknum,
 
 /* Connection tracking may drop packets, but never alters them, so
    make it the first hook. */
-static struct nf_hook_ops ip_conntrack_defrag_ops = {
-        .hook           = ip_conntrack_defrag,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_PRE_ROUTING,
-        .priority       = NF_IP_PRI_CONNTRACK_DEFRAG,
-};
-
-static struct nf_hook_ops ip_conntrack_in_ops = {
-        .hook           = ip_conntrack_in,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_PRE_ROUTING,
-        .priority       = NF_IP_PRI_CONNTRACK,
-};
-
-static struct nf_hook_ops ip_conntrack_defrag_local_out_ops = {
-        .hook           = ip_conntrack_defrag,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_LOCAL_OUT,
-        .priority       = NF_IP_PRI_CONNTRACK_DEFRAG,
-};
-
-static struct nf_hook_ops ip_conntrack_local_out_ops = {
-        .hook           = ip_conntrack_local,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_LOCAL_OUT,
-        .priority       = NF_IP_PRI_CONNTRACK,
-};
-
-/* helpers */
-static struct nf_hook_ops ip_conntrack_helper_out_ops = {
-        .hook           = ip_conntrack_help,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_POST_ROUTING,
-        .priority       = NF_IP_PRI_CONNTRACK_HELPER,
-};
-
-static struct nf_hook_ops ip_conntrack_helper_in_ops = {
-        .hook           = ip_conntrack_help,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_LOCAL_IN,
-        .priority       = NF_IP_PRI_CONNTRACK_HELPER,
-};
-
-/* Refragmenter; last chance. */
-static struct nf_hook_ops ip_conntrack_out_ops = {
-        .hook           = ip_confirm,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_POST_ROUTING,
-        .priority       = NF_IP_PRI_CONNTRACK_CONFIRM,
-};
-
-static struct nf_hook_ops ip_conntrack_local_in_ops = {
-        .hook           = ip_confirm,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_LOCAL_IN,
-        .priority       = NF_IP_PRI_CONNTRACK_CONFIRM,
+static struct nf_hook_ops ip_conntrack_ops[] = {
+        {
+                .hook           = ip_conntrack_defrag,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_PRE_ROUTING,
+                .priority       = NF_IP_PRI_CONNTRACK_DEFRAG,
+        },
+        {
+                .hook           = ip_conntrack_in,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_PRE_ROUTING,
+                .priority       = NF_IP_PRI_CONNTRACK,
+        },
+        {
+                .hook           = ip_conntrack_defrag,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_LOCAL_OUT,
+                .priority       = NF_IP_PRI_CONNTRACK_DEFRAG,
+        },
+        {
+                .hook           = ip_conntrack_local,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_LOCAL_OUT,
+                .priority       = NF_IP_PRI_CONNTRACK,
+        },
+        {
+                .hook           = ip_conntrack_help,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_POST_ROUTING,
+                .priority       = NF_IP_PRI_CONNTRACK_HELPER,
+        },
+        {
+                .hook           = ip_conntrack_help,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_LOCAL_IN,
+                .priority       = NF_IP_PRI_CONNTRACK_HELPER,
+        },
+        {
+                .hook           = ip_confirm,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_POST_ROUTING,
+                .priority       = NF_IP_PRI_CONNTRACK_CONFIRM,
+        },
+        {
+                .hook           = ip_confirm,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_LOCAL_IN,
+                .priority       = NF_IP_PRI_CONNTRACK_CONFIRM,
+        },
 };
 
 /* Sysctl support */
@@ -783,18 +776,46 @@ static ctl_table ip_ct_net_table[] = {
 EXPORT_SYMBOL(ip_ct_log_invalid);
 #endif /* CONFIG_SYSCTL */
 
-static int init_or_cleanup(int init)
+/* FIXME: Allow NULL functions and sub in pointers to generic for
+   them. --RR */
+int ip_conntrack_protocol_register(struct ip_conntrack_protocol *proto)
+{
+        int ret = 0;
+
+        write_lock_bh(&ip_conntrack_lock);
+        if (ip_ct_protos[proto->proto] != &ip_conntrack_generic_protocol) {
+                ret = -EBUSY;
+                goto out;
+        }
+        ip_ct_protos[proto->proto] = proto;
+ out:
+        write_unlock_bh(&ip_conntrack_lock);
+        return ret;
+}
+
+void ip_conntrack_protocol_unregister(struct ip_conntrack_protocol *proto)
+{
+        write_lock_bh(&ip_conntrack_lock);
+        ip_ct_protos[proto->proto] = &ip_conntrack_generic_protocol;
+        write_unlock_bh(&ip_conntrack_lock);
+
+        /* Somebody could be still looking at the proto in bh. */
+        synchronize_net();
+
+        /* Remove all contrack entries for this protocol */
+        ip_ct_iterate_cleanup(kill_proto, &proto->proto);
+}
+
+static int __init ip_conntrack_standalone_init(void)
 {
 #ifdef CONFIG_PROC_FS
         struct proc_dir_entry *proc, *proc_exp, *proc_stat;
 #endif
         int ret = 0;
 
-        if (!init) goto cleanup;
-
         ret = ip_conntrack_init();
         if (ret < 0)
-                goto cleanup_nothing;
+                return ret;
 
 #ifdef CONFIG_PROC_FS
         ret = -ENOMEM;
@@ -813,78 +834,25 @@ static int init_or_cleanup(int init)
         proc_stat->owner = THIS_MODULE;
 #endif
 
-        ret = nf_register_hook(&ip_conntrack_defrag_ops);
+        ret = nf_register_hooks(ip_conntrack_ops, ARRAY_SIZE(ip_conntrack_ops));
         if (ret < 0) {
-                printk("ip_conntrack: can't register pre-routing defrag hook.\n");
+                printk("ip_conntrack: can't register hooks.\n");
                 goto cleanup_proc_stat;
         }
-        ret = nf_register_hook(&ip_conntrack_defrag_local_out_ops);
-        if (ret < 0) {
-                printk("ip_conntrack: can't register local_out defrag hook.\n");
-                goto cleanup_defragops;
-        }
-        ret = nf_register_hook(&ip_conntrack_in_ops);
-        if (ret < 0) {
-                printk("ip_conntrack: can't register pre-routing hook.\n");
-                goto cleanup_defraglocalops;
-        }
-        ret = nf_register_hook(&ip_conntrack_local_out_ops);
-        if (ret < 0) {
-                printk("ip_conntrack: can't register local out hook.\n");
-                goto cleanup_inops;
-        }
-        ret = nf_register_hook(&ip_conntrack_helper_in_ops);
-        if (ret < 0) {
-                printk("ip_conntrack: can't register local in helper hook.\n");
-                goto cleanup_inandlocalops;
-        }
-        ret = nf_register_hook(&ip_conntrack_helper_out_ops);
-        if (ret < 0) {
-                printk("ip_conntrack: can't register postrouting helper hook.\n");
-                goto cleanup_helperinops;
-        }
-        ret = nf_register_hook(&ip_conntrack_out_ops);
-        if (ret < 0) {
-                printk("ip_conntrack: can't register post-routing hook.\n");
-                goto cleanup_helperoutops;
-        }
-        ret = nf_register_hook(&ip_conntrack_local_in_ops);
-        if (ret < 0) {
-                printk("ip_conntrack: can't register local in hook.\n");
-                goto cleanup_inoutandlocalops;
-        }
 #ifdef CONFIG_SYSCTL
         ip_ct_sysctl_header = register_sysctl_table(ip_ct_net_table, 0);
         if (ip_ct_sysctl_header == NULL) {
                 printk("ip_conntrack: can't register to sysctl.\n");
                 ret = -ENOMEM;
-                goto cleanup_localinops;
+                goto cleanup_hooks;
         }
 #endif
-
         return ret;
 
- cleanup:
-        synchronize_net();
 #ifdef CONFIG_SYSCTL
-        unregister_sysctl_table(ip_ct_sysctl_header);
- cleanup_localinops:
+ cleanup_hooks:
+        nf_unregister_hooks(ip_conntrack_ops, ARRAY_SIZE(ip_conntrack_ops));
 #endif
-        nf_unregister_hook(&ip_conntrack_local_in_ops);
- cleanup_inoutandlocalops:
-        nf_unregister_hook(&ip_conntrack_out_ops);
- cleanup_helperoutops:
-        nf_unregister_hook(&ip_conntrack_helper_out_ops);
- cleanup_helperinops:
-        nf_unregister_hook(&ip_conntrack_helper_in_ops);
- cleanup_inandlocalops:
-        nf_unregister_hook(&ip_conntrack_local_out_ops);
- cleanup_inops:
-        nf_unregister_hook(&ip_conntrack_in_ops);
- cleanup_defraglocalops:
-        nf_unregister_hook(&ip_conntrack_defrag_local_out_ops);
- cleanup_defragops:
-        nf_unregister_hook(&ip_conntrack_defrag_ops);
  cleanup_proc_stat:
 #ifdef CONFIG_PROC_FS
         remove_proc_entry("ip_conntrack", proc_net_stat);
@@ -895,48 +863,22 @@ static int init_or_cleanup(int init)
  cleanup_init:
 #endif /* CONFIG_PROC_FS */
         ip_conntrack_cleanup();
- cleanup_nothing:
-        return ret;
-}
-
-/* FIXME: Allow NULL functions and sub in pointers to generic for
-   them. --RR */
-int ip_conntrack_protocol_register(struct ip_conntrack_protocol *proto)
-{
-        int ret = 0;
-
-        write_lock_bh(&ip_conntrack_lock);
-        if (ip_ct_protos[proto->proto] != &ip_conntrack_generic_protocol) {
-                ret = -EBUSY;
-                goto out;
-        }
-        ip_ct_protos[proto->proto] = proto;
- out:
-        write_unlock_bh(&ip_conntrack_lock);
         return ret;
 }
 
-void ip_conntrack_protocol_unregister(struct ip_conntrack_protocol *proto)
-{
-        write_lock_bh(&ip_conntrack_lock);
-        ip_ct_protos[proto->proto] = &ip_conntrack_generic_protocol;
-        write_unlock_bh(&ip_conntrack_lock);
-        
-        /* Somebody could be still looking at the proto in bh. */
-        synchronize_net();
-
-        /* Remove all contrack entries for this protocol */
-        ip_ct_iterate_cleanup(kill_proto, &proto->proto);
-}
-
-static int __init ip_conntrack_standalone_init(void)
-{
-        return init_or_cleanup(1);
-}
-
 static void __exit ip_conntrack_standalone_fini(void)
 {
-        init_or_cleanup(0);
+        synchronize_net();
+#ifdef CONFIG_SYSCTL
+        unregister_sysctl_table(ip_ct_sysctl_header);
+#endif
+        nf_unregister_hooks(ip_conntrack_ops, ARRAY_SIZE(ip_conntrack_ops));
+#ifdef CONFIG_PROC_FS
+        remove_proc_entry("ip_conntrack", proc_net_stat);
+        proc_net_remove("ip_conntrack_expect");
+        proc_net_remove("ip_conntrack");
+#endif /* CONFIG_PROC_FS */
+        ip_conntrack_cleanup();
 }
 
 module_init(ip_conntrack_standalone_init);
diff --git a/net/ipv4/netfilter/ip_nat_helper_h323.c b/net/ipv4/netfilter/ip_nat_helper_h323.c
index a0bc883928c0..d45663d137a7 100644
--- a/net/ipv4/netfilter/ip_nat_helper_h323.c
+++ b/net/ipv4/netfilter/ip_nat_helper_h323.c
@@ -7,24 +7,6 @@
  *
  * Based on the 'brute force' H.323 NAT module by
  * Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
- *
- * Changes:
- *      2006-02-01 - initial version 0.1
- *
- *      2006-02-20 - version 0.2
- *        1. Changed source format to follow kernel conventions
- *        2. Deleted some unnecessary structures
- *        3. Minor fixes
- *
- *      2006-03-10 - version 0.3
- *        1. Added support for multiple TPKTs in one packet (suggested by
- *           Patrick McHardy)
- *        2. Added support for non-linear skb (based on Patrick McHardy's patch)
- *        3. Eliminated unnecessary return code
- *
- *      2006-03-15 - version 0.4
- *        1. Added support for T.120 channels
- *        2. Added parameter gkrouted_only (suggested by Patrick McHardy)
  */
 
 #include <linux/module.h>
@@ -41,65 +23,12 @@
 #include <linux/netfilter_ipv4/ip_conntrack_h323.h>
 #include <linux/netfilter_ipv4/ip_conntrack_helper.h>
 
-#include "ip_conntrack_helper_h323_asn1.h"
-
 #if 0
 #define DEBUGP printk
 #else
 #define DEBUGP(format, args...)
 #endif
 
-extern int get_h245_addr(unsigned char *data, H245_TransportAddress * addr,
-                         u_int32_t * ip, u_int16_t * port);
-extern int get_h225_addr(unsigned char *data, TransportAddress * addr,
-                         u_int32_t * ip, u_int16_t * port);
-extern void ip_conntrack_h245_expect(struct ip_conntrack *new,
-                                     struct ip_conntrack_expect *this);
-extern void ip_conntrack_q931_expect(struct ip_conntrack *new,
-                                     struct ip_conntrack_expect *this);
-extern int (*set_h245_addr_hook) (struct sk_buff ** pskb,
-                                  unsigned char **data, int dataoff,
-                                  H245_TransportAddress * addr,
-                                  u_int32_t ip, u_int16_t port);
-extern int (*set_h225_addr_hook) (struct sk_buff ** pskb,
-                                  unsigned char **data, int dataoff,
-                                  TransportAddress * addr,
-                                  u_int32_t ip, u_int16_t port);
-extern int (*set_sig_addr_hook) (struct sk_buff ** pskb,
-                                 struct ip_conntrack * ct,
-                                 enum ip_conntrack_info ctinfo,
-                                 unsigned char **data,
-                                 TransportAddress * addr, int count);
-extern int (*set_ras_addr_hook) (struct sk_buff ** pskb,
-                                 struct ip_conntrack * ct,
-                                 enum ip_conntrack_info ctinfo,
-                                 unsigned char **data,
-                                 TransportAddress * addr, int count);
-extern int (*nat_rtp_rtcp_hook) (struct sk_buff ** pskb,
-                                 struct ip_conntrack * ct,
-                                 enum ip_conntrack_info ctinfo,
-                                 unsigned char **data, int dataoff,
-                                 H245_TransportAddress * addr,
-                                 u_int16_t port, u_int16_t rtp_port,
-                                 struct ip_conntrack_expect * rtp_exp,
-                                 struct ip_conntrack_expect * rtcp_exp);
-extern int (*nat_t120_hook) (struct sk_buff ** pskb, struct ip_conntrack * ct,
-                             enum ip_conntrack_info ctinfo,
-                             unsigned char **data, int dataoff,
-                             H245_TransportAddress * addr, u_int16_t port,
-                             struct ip_conntrack_expect * exp);
-extern int (*nat_h245_hook) (struct sk_buff ** pskb, struct ip_conntrack * ct,
-                             enum ip_conntrack_info ctinfo,
-                             unsigned char **data, int dataoff,
-                             TransportAddress * addr, u_int16_t port,
-                             struct ip_conntrack_expect * exp);
-extern int (*nat_q931_hook) (struct sk_buff ** pskb, struct ip_conntrack * ct,
-                             enum ip_conntrack_info ctinfo,
-                             unsigned char **data, TransportAddress * addr,
-                             int idx, u_int16_t port,
-                             struct ip_conntrack_expect * exp);
-
-
 /****************************************************************************/
 static int set_addr(struct sk_buff **pskb,
                     unsigned char **data, int dataoff,
diff --git a/net/ipv4/netfilter/ip_nat_rule.c b/net/ipv4/netfilter/ip_nat_rule.c
index efba8c4e42e0..1aba926c1cb0 100644
--- a/net/ipv4/netfilter/ip_nat_rule.c
+++ b/net/ipv4/netfilter/ip_nat_rule.c
@@ -279,7 +279,7 @@ static struct ipt_target ipt_dnat_reg = {
         .target         = ipt_dnat_target,
         .targetsize     = sizeof(struct ip_nat_multi_range_compat),
         .table          = "nat",
-        .hooks          = 1 << NF_IP_PRE_ROUTING,
+        .hooks          = (1 << NF_IP_PRE_ROUTING) | (1 << NF_IP_LOCAL_OUT),
         .checkentry     = ipt_dnat_checkentry,
 };
 
diff --git a/net/ipv4/netfilter/ip_nat_standalone.c b/net/ipv4/netfilter/ip_nat_standalone.c
index 3505b0de2e04..8f760b28617e 100644
--- a/net/ipv4/netfilter/ip_nat_standalone.c
+++ b/net/ipv4/netfilter/ip_nat_standalone.c
@@ -299,69 +299,63 @@ ip_nat_adjust(unsigned int hooknum,
 
 /* We must be after connection tracking and before packet filtering. */
 
-/* Before packet filtering, change destination */
-static struct nf_hook_ops ip_nat_in_ops = {
-        .hook           = ip_nat_in,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_PRE_ROUTING,
-        .priority       = NF_IP_PRI_NAT_DST,
+static struct nf_hook_ops ip_nat_ops[] = {
+        /* Before packet filtering, change destination */
+        {
+                .hook           = ip_nat_in,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_PRE_ROUTING,
+                .priority       = NF_IP_PRI_NAT_DST,
+        },
+        /* After packet filtering, change source */
+        {
+                .hook           = ip_nat_out,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_POST_ROUTING,
+                .priority       = NF_IP_PRI_NAT_SRC,
+        },
+        /* After conntrack, adjust sequence number */
+        {
+                .hook           = ip_nat_adjust,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_POST_ROUTING,
+                .priority       = NF_IP_PRI_NAT_SEQ_ADJUST,
+        },
+        /* Before packet filtering, change destination */
+        {
+                .hook           = ip_nat_local_fn,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_LOCAL_OUT,
+                .priority       = NF_IP_PRI_NAT_DST,
+        },
+        /* After packet filtering, change source */
+        {
+                .hook           = ip_nat_fn,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_LOCAL_IN,
+                .priority       = NF_IP_PRI_NAT_SRC,
+        },
+        /* After conntrack, adjust sequence number */
+        {
+                .hook           = ip_nat_adjust,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_LOCAL_IN,
+                .priority       = NF_IP_PRI_NAT_SEQ_ADJUST,
+        },
 };
 
-/* After packet filtering, change source */
-static struct nf_hook_ops ip_nat_out_ops = {
-        .hook           = ip_nat_out,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_POST_ROUTING,
-        .priority       = NF_IP_PRI_NAT_SRC,
-};
-
-/* After conntrack, adjust sequence number */
-static struct nf_hook_ops ip_nat_adjust_out_ops = {
-        .hook           = ip_nat_adjust,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_POST_ROUTING,
-        .priority       = NF_IP_PRI_NAT_SEQ_ADJUST,
-};
-
-/* Before packet filtering, change destination */
-static struct nf_hook_ops ip_nat_local_out_ops = {
-        .hook           = ip_nat_local_fn,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_LOCAL_OUT,
-        .priority       = NF_IP_PRI_NAT_DST,
-};
-
-/* After packet filtering, change source for reply packets of LOCAL_OUT DNAT */
-static struct nf_hook_ops ip_nat_local_in_ops = {
-        .hook           = ip_nat_fn,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_LOCAL_IN,
-        .priority       = NF_IP_PRI_NAT_SRC,
-};
-
-/* After conntrack, adjust sequence number */
-static struct nf_hook_ops ip_nat_adjust_in_ops = {
-        .hook           = ip_nat_adjust,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_LOCAL_IN,
-        .priority       = NF_IP_PRI_NAT_SEQ_ADJUST,
-};
-
-
-static int init_or_cleanup(int init)
+static int __init ip_nat_standalone_init(void)
 {
         int ret = 0;
 
         need_conntrack();
 
-        if (!init) goto cleanup;
-
 #ifdef CONFIG_XFRM
         BUG_ON(ip_nat_decode_session != NULL);
         ip_nat_decode_session = nat_decode_session;
@@ -371,50 +365,13 @@ static int init_or_cleanup(int init)
                 printk("ip_nat_init: can't setup rules.\n");
                 goto cleanup_decode_session;
         }
-        ret = nf_register_hook(&ip_nat_in_ops);
+        ret = nf_register_hooks(ip_nat_ops, ARRAY_SIZE(ip_nat_ops));
         if (ret < 0) {
-                printk("ip_nat_init: can't register in hook.\n");
+                printk("ip_nat_init: can't register hooks.\n");
                 goto cleanup_rule_init;
         }
-        ret = nf_register_hook(&ip_nat_out_ops);
-        if (ret < 0) {
-                printk("ip_nat_init: can't register out hook.\n");
-                goto cleanup_inops;
-        }
-        ret = nf_register_hook(&ip_nat_adjust_in_ops);
-        if (ret < 0) {
-                printk("ip_nat_init: can't register adjust in hook.\n");
-                goto cleanup_outops;
-        }
-        ret = nf_register_hook(&ip_nat_adjust_out_ops);
-        if (ret < 0) {
-                printk("ip_nat_init: can't register adjust out hook.\n");
-                goto cleanup_adjustin_ops;
-        }
-        ret = nf_register_hook(&ip_nat_local_out_ops);
-        if (ret < 0) {
-                printk("ip_nat_init: can't register local out hook.\n");
-                goto cleanup_adjustout_ops;
-        }
-        ret = nf_register_hook(&ip_nat_local_in_ops);
-        if (ret < 0) {
-                printk("ip_nat_init: can't register local in hook.\n");
-                goto cleanup_localoutops;
-        }
         return ret;
 
- cleanup:
-        nf_unregister_hook(&ip_nat_local_in_ops);
- cleanup_localoutops:
-        nf_unregister_hook(&ip_nat_local_out_ops);
- cleanup_adjustout_ops:
-        nf_unregister_hook(&ip_nat_adjust_out_ops);
- cleanup_adjustin_ops:
-        nf_unregister_hook(&ip_nat_adjust_in_ops);
- cleanup_outops:
-        nf_unregister_hook(&ip_nat_out_ops);
- cleanup_inops:
-        nf_unregister_hook(&ip_nat_in_ops);
  cleanup_rule_init:
         ip_nat_rule_cleanup();
  cleanup_decode_session:
@@ -425,14 +382,14 @@ static int init_or_cleanup(int init)
         return ret;
 }
 
-static int __init ip_nat_standalone_init(void)
-{
-        return init_or_cleanup(1);
-}
-
 static void __exit ip_nat_standalone_fini(void)
 {
-        init_or_cleanup(0);
+        nf_unregister_hooks(ip_nat_ops, ARRAY_SIZE(ip_nat_ops));
+        ip_nat_rule_cleanup();
+#ifdef CONFIG_XFRM
+        ip_nat_decode_session = NULL;
+        synchronize_net();
+#endif
 }
 
 module_init(ip_nat_standalone_init);
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index 896a244f8f91..b93f0494362f 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -662,15 +662,11 @@ static struct nf_queue_handler nfqh = {
         .outfn  = &ipq_enqueue_packet,
 };
 
-static int
-init_or_cleanup(int init)
+static int __init ip_queue_init(void)
 {
         int status = -ENOMEM;
         struct proc_dir_entry *proc;
         
-        if (!init)
-                goto cleanup;
-
         netlink_register_notifier(&ipq_nl_notifier);
         ipqnl = netlink_kernel_create(NETLINK_FIREWALL, 0, ipq_rcv_sk,
                                       THIS_MODULE);
@@ -697,11 +693,6 @@ init_or_cleanup(int init)
         }
         return status;
 
-cleanup:
-        nf_unregister_queue_handlers(&nfqh);
-        synchronize_net();
-        ipq_flush(NF_DROP);
-        
 cleanup_sysctl:
         unregister_sysctl_table(ipq_sysctl_header);
         unregister_netdevice_notifier(&ipq_dev_notifier);
@@ -717,15 +708,21 @@ cleanup_netlink_notifier:
         return status;
 }
 
-static int __init ip_queue_init(void)
-{
-        
-        return init_or_cleanup(1);
-}
-
 static void __exit ip_queue_fini(void)
 {
-        init_or_cleanup(0);
+        nf_unregister_queue_handlers(&nfqh);
+        synchronize_net();
+        ipq_flush(NF_DROP);
+
+        unregister_sysctl_table(ipq_sysctl_header);
+        unregister_netdevice_notifier(&ipq_dev_notifier);
+        proc_net_remove(IPQ_PROC_FS_NAME);
+
+        sock_release(ipqnl->sk_socket);
+        mutex_lock(&ipqnl_mutex);
+        mutex_unlock(&ipqnl_mutex);
+
+        netlink_unregister_notifier(&ipq_nl_notifier);
 }
 
 MODULE_DESCRIPTION("IPv4 packet queue handler");
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index e4768a31718b..aad9d28c8d71 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -725,22 +725,17 @@ static struct file_operations clusterip_proc_fops = {
 
 #endif /* CONFIG_PROC_FS */
 
-static int init_or_cleanup(int fini)
+static int __init ipt_clusterip_init(void)
 {
         int ret;
 
-        if (fini)
-                goto cleanup;
-
-        if (ipt_register_target(&clusterip_tgt)) {
-                ret = -EINVAL;
-                goto cleanup_none;
-        }
+        ret = ipt_register_target(&clusterip_tgt);
+        if (ret < 0)
+                return ret;
 
-        if (nf_register_hook(&cip_arp_ops) < 0) {
-                ret = -EINVAL;
+        ret = nf_register_hook(&cip_arp_ops);
+        if (ret < 0)
                 goto cleanup_target;
-        }
 
 #ifdef CONFIG_PROC_FS
         clusterip_procdir = proc_mkdir("ipt_CLUSTERIP", proc_net);
@@ -753,31 +748,24 @@ static int init_or_cleanup(int fini)
 
         printk(KERN_NOTICE "ClusterIP Version %s loaded successfully\n",
                 CLUSTERIP_VERSION);
-
         return 0;
 
-cleanup:
-        printk(KERN_NOTICE "ClusterIP Version %s unloading\n",
-                CLUSTERIP_VERSION);
-#ifdef CONFIG_PROC_FS
-        remove_proc_entry(clusterip_procdir->name, clusterip_procdir->parent);
-#endif
 cleanup_hook:
         nf_unregister_hook(&cip_arp_ops);
 cleanup_target:
         ipt_unregister_target(&clusterip_tgt);
-cleanup_none:
-        return -EINVAL;
-}
-
-static int __init ipt_clusterip_init(void)
-{
-        return init_or_cleanup(0);
+        return ret;
 }
 
 static void __exit ipt_clusterip_fini(void)
 {
-        init_or_cleanup(1);
+        printk(KERN_NOTICE "ClusterIP Version %s unloading\n",
+                CLUSTERIP_VERSION);
+#ifdef CONFIG_PROC_FS
+        remove_proc_entry(clusterip_procdir->name, clusterip_procdir->parent);
+#endif
+        nf_unregister_hook(&cip_arp_ops);
+        ipt_unregister_target(&clusterip_tgt);
 }
 
 module_init(ipt_clusterip_init);
diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c
index 4269a5440d43..0bba3c2bb786 100644
--- a/net/ipv4/netfilter/ipt_REJECT.c
+++ b/net/ipv4/netfilter/ipt_REJECT.c
@@ -106,7 +106,6 @@ static void send_reset(struct sk_buff *oldskb, int hook)
         struct rtable *rt;
         u_int16_t tmp_port;
         u_int32_t tmp_addr;
-        unsigned int tcplen;
         int needs_ack;
         int hh_len;
 
@@ -124,13 +123,7 @@ static void send_reset(struct sk_buff *oldskb, int hook)
                 return;
 
         /* Check checksum */
-        tcplen = oldskb->len - iph->ihl * 4;
-        if (((hook != NF_IP_LOCAL_IN && oldskb->ip_summed != CHECKSUM_HW) ||
-             (hook == NF_IP_LOCAL_IN &&
-              oldskb->ip_summed != CHECKSUM_UNNECESSARY)) &&
-            csum_tcpudp_magic(iph->saddr, iph->daddr, tcplen, IPPROTO_TCP,
-                              oldskb->ip_summed == CHECKSUM_HW ? oldskb->csum :
-                              skb_checksum(oldskb, iph->ihl * 4, tcplen, 0)))
+        if (nf_ip_checksum(oldskb, hook, iph->ihl * 4, IPPROTO_TCP))
                 return;
 
         if ((rt = route_reverse(oldskb, oth, hook)) == NULL)
diff --git a/net/ipv4/netfilter/iptable_filter.c b/net/ipv4/netfilter/iptable_filter.c
index 3d80aefe9cfa..7f417484bfbf 100644
--- a/net/ipv4/netfilter/iptable_filter.c
+++ b/net/ipv4/netfilter/iptable_filter.c
@@ -157,37 +157,20 @@ static int __init iptable_filter_init(void)
                 return ret;
 
         /* Register hooks */
-        ret = nf_register_hook(&ipt_ops[0]);
+        ret = nf_register_hooks(ipt_ops, ARRAY_SIZE(ipt_ops));
         if (ret < 0)
                 goto cleanup_table;
 
-        ret = nf_register_hook(&ipt_ops[1]);
-        if (ret < 0)
-                goto cleanup_hook0;
-
-        ret = nf_register_hook(&ipt_ops[2]);
-        if (ret < 0)
-                goto cleanup_hook1;
-
         return ret;
 
- cleanup_hook1:
-        nf_unregister_hook(&ipt_ops[1]);
- cleanup_hook0:
-        nf_unregister_hook(&ipt_ops[0]);
  cleanup_table:
         ipt_unregister_table(&packet_filter);
-
         return ret;
 }
 
 static void __exit iptable_filter_fini(void)
 {
-        unsigned int i;
-
-        for (i = 0; i < sizeof(ipt_ops)/sizeof(struct nf_hook_ops); i++)
-                nf_unregister_hook(&ipt_ops[i]);
-
+        nf_unregister_hooks(ipt_ops, ARRAY_SIZE(ipt_ops));
         ipt_unregister_table(&packet_filter);
 }
 
diff --git a/net/ipv4/netfilter/iptable_mangle.c b/net/ipv4/netfilter/iptable_mangle.c
index 412fc96cc896..397b95cc026b 100644
--- a/net/ipv4/netfilter/iptable_mangle.c
+++ b/net/ipv4/netfilter/iptable_mangle.c
@@ -211,49 +211,20 @@ static int __init iptable_mangle_init(void)
                 return ret;
 
         /* Register hooks */
-        ret = nf_register_hook(&ipt_ops[0]);
+        ret = nf_register_hooks(ipt_ops, ARRAY_SIZE(ipt_ops));
         if (ret < 0)
                 goto cleanup_table;
 
-        ret = nf_register_hook(&ipt_ops[1]);
-        if (ret < 0)
-                goto cleanup_hook0;
-
-        ret = nf_register_hook(&ipt_ops[2]);
-        if (ret < 0)
-                goto cleanup_hook1;
-
-        ret = nf_register_hook(&ipt_ops[3]);
-        if (ret < 0)
-                goto cleanup_hook2;
-
-        ret = nf_register_hook(&ipt_ops[4]);
-        if (ret < 0)
-                goto cleanup_hook3;
-
         return ret;
 
- cleanup_hook3:
-        nf_unregister_hook(&ipt_ops[3]);
- cleanup_hook2:
-        nf_unregister_hook(&ipt_ops[2]);
- cleanup_hook1:
-        nf_unregister_hook(&ipt_ops[1]);
- cleanup_hook0:
-        nf_unregister_hook(&ipt_ops[0]);
  cleanup_table:
         ipt_unregister_table(&packet_mangler);
-
         return ret;
 }
 
 static void __exit iptable_mangle_fini(void)
 {
-        unsigned int i;
-
-        for (i = 0; i < sizeof(ipt_ops)/sizeof(struct nf_hook_ops); i++)
-                nf_unregister_hook(&ipt_ops[i]);
-
+        nf_unregister_hooks(ipt_ops, ARRAY_SIZE(ipt_ops));
         ipt_unregister_table(&packet_mangler);
 }
 
diff --git a/net/ipv4/netfilter/iptable_raw.c b/net/ipv4/netfilter/iptable_raw.c
index 03cc79a6160a..7912cce1e1b8 100644
--- a/net/ipv4/netfilter/iptable_raw.c
+++ b/net/ipv4/netfilter/iptable_raw.c
@@ -101,18 +101,18 @@ ipt_hook(unsigned int hook,
 /* 'raw' is the very first table. */
 static struct nf_hook_ops ipt_ops[] = {
         {
-          .hook = ipt_hook, 
-          .pf = PF_INET, 
-          .hooknum = NF_IP_PRE_ROUTING, 
-          .priority = NF_IP_PRI_RAW,
-          .owner = THIS_MODULE,
+                .hook = ipt_hook,
+                .pf = PF_INET,
+                .hooknum = NF_IP_PRE_ROUTING,
+                .priority = NF_IP_PRI_RAW,
+                .owner = THIS_MODULE,
         },
         {
-          .hook = ipt_hook, 
-          .pf = PF_INET, 
-          .hooknum = NF_IP_LOCAL_OUT, 
-          .priority = NF_IP_PRI_RAW,
-          .owner = THIS_MODULE,
+                .hook = ipt_hook,
+                .pf = PF_INET,
+                .hooknum = NF_IP_LOCAL_OUT,
+                .priority = NF_IP_PRI_RAW,
+                .owner = THIS_MODULE,
         },
 };
 
@@ -126,31 +126,20 @@ static int __init iptable_raw_init(void)
                 return ret;
 
         /* Register hooks */
-        ret = nf_register_hook(&ipt_ops[0]);
+        ret = nf_register_hooks(ipt_ops, ARRAY_SIZE(ipt_ops));
         if (ret < 0)
                 goto cleanup_table;
 
-        ret = nf_register_hook(&ipt_ops[1]);
-        if (ret < 0)
-                goto cleanup_hook0;
-
         return ret;
 
- cleanup_hook0:
-        nf_unregister_hook(&ipt_ops[0]);
  cleanup_table:
         ipt_unregister_table(&packet_raw);
-
         return ret;
 }
 
 static void __exit iptable_raw_fini(void)
 {
-        unsigned int i;
-
-        for (i = 0; i < sizeof(ipt_ops)/sizeof(struct nf_hook_ops); i++)
-                nf_unregister_hook(&ipt_ops[i]);
-
+        nf_unregister_hooks(ipt_ops, ARRAY_SIZE(ipt_ops));
         ipt_unregister_table(&packet_raw);
 }
 
diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index 4afbc699d3ba..5bc9f64d7b5b 100644
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -210,71 +210,63 @@ static unsigned int ipv4_conntrack_local(unsigned int hooknum,
 
 /* Connection tracking may drop packets, but never alters them, so
    make it the first hook. */
-static struct nf_hook_ops ipv4_conntrack_defrag_ops = {
-        .hook           = ipv4_conntrack_defrag,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_PRE_ROUTING,
-        .priority       = NF_IP_PRI_CONNTRACK_DEFRAG,
-};
-
-static struct nf_hook_ops ipv4_conntrack_in_ops = {
-        .hook           = ipv4_conntrack_in,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_PRE_ROUTING,
-        .priority       = NF_IP_PRI_CONNTRACK,
-};
-
-static struct nf_hook_ops ipv4_conntrack_defrag_local_out_ops = {
-        .hook           = ipv4_conntrack_defrag,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_LOCAL_OUT,
-        .priority       = NF_IP_PRI_CONNTRACK_DEFRAG,
-};
-
-static struct nf_hook_ops ipv4_conntrack_local_out_ops = {
-        .hook           = ipv4_conntrack_local,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_LOCAL_OUT,
-        .priority       = NF_IP_PRI_CONNTRACK,
-};
-
-/* helpers */
-static struct nf_hook_ops ipv4_conntrack_helper_out_ops = {
-        .hook           = ipv4_conntrack_help,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_POST_ROUTING,
-        .priority       = NF_IP_PRI_CONNTRACK_HELPER,
-};
-
-static struct nf_hook_ops ipv4_conntrack_helper_in_ops = {
-        .hook           = ipv4_conntrack_help,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_LOCAL_IN,
-        .priority       = NF_IP_PRI_CONNTRACK_HELPER,
-};
-
-
-/* Refragmenter; last chance. */
-static struct nf_hook_ops ipv4_conntrack_out_ops = {
-        .hook           = ipv4_confirm,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_POST_ROUTING,
-        .priority       = NF_IP_PRI_CONNTRACK_CONFIRM,
-};
-
-static struct nf_hook_ops ipv4_conntrack_local_in_ops = {
-        .hook           = ipv4_confirm,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET,
-        .hooknum        = NF_IP_LOCAL_IN,
-        .priority       = NF_IP_PRI_CONNTRACK_CONFIRM,
+static struct nf_hook_ops ipv4_conntrack_ops[] = {
+        {
+                .hook           = ipv4_conntrack_defrag,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_PRE_ROUTING,
+                .priority       = NF_IP_PRI_CONNTRACK_DEFRAG,
+        },
+        {
+                .hook           = ipv4_conntrack_in,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_PRE_ROUTING,
+                .priority       = NF_IP_PRI_CONNTRACK,
+        },
+        {
+                .hook           = ipv4_conntrack_defrag,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_LOCAL_OUT,
+                .priority       = NF_IP_PRI_CONNTRACK_DEFRAG,
+        },
+        {
+                .hook           = ipv4_conntrack_local,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_LOCAL_OUT,
+                .priority       = NF_IP_PRI_CONNTRACK,
+        },
+        {
+                .hook           = ipv4_conntrack_help,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_POST_ROUTING,
+                .priority       = NF_IP_PRI_CONNTRACK_HELPER,
+        },
+        {
+                .hook           = ipv4_conntrack_help,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_LOCAL_IN,
+                .priority       = NF_IP_PRI_CONNTRACK_HELPER,
+        },
+        {
+                .hook           = ipv4_confirm,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_POST_ROUTING,
+                .priority       = NF_IP_PRI_CONNTRACK_CONFIRM,
+        },
+        {
+                .hook           = ipv4_confirm,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET,
+                .hooknum        = NF_IP_LOCAL_IN,
+                .priority       = NF_IP_PRI_CONNTRACK_CONFIRM,
+        },
 };
 
 #ifdef CONFIG_SYSCTL
@@ -440,16 +432,20 @@ struct nf_conntrack_l3proto nf_conntrack_l3proto_ipv4 = {
 extern struct nf_conntrack_protocol nf_conntrack_protocol_tcp4;
 extern struct nf_conntrack_protocol nf_conntrack_protocol_udp4;
 extern struct nf_conntrack_protocol nf_conntrack_protocol_icmp;
-static int init_or_cleanup(int init)
+
+MODULE_ALIAS("nf_conntrack-" __stringify(AF_INET));
+MODULE_LICENSE("GPL");
+
+static int __init nf_conntrack_l3proto_ipv4_init(void)
 {
         int ret = 0;
 
-        if (!init) goto cleanup;
+        need_conntrack();
 
         ret = nf_register_sockopt(&so_getorigdst);
         if (ret < 0) {
                 printk(KERN_ERR "Unable to register netfilter socket option\n");
-                goto cleanup_nothing;
+                return ret;
         }
 
         ret = nf_conntrack_protocol_register(&nf_conntrack_protocol_tcp4);
@@ -476,84 +472,26 @@ static int init_or_cleanup(int init)
                 goto cleanup_icmp;
         }
 
-        ret = nf_register_hook(&ipv4_conntrack_defrag_ops);
+        ret = nf_register_hooks(ipv4_conntrack_ops,
+                                ARRAY_SIZE(ipv4_conntrack_ops));
         if (ret < 0) {
-                printk("nf_conntrack_ipv4: can't register pre-routing defrag hook.\n");
+                printk("nf_conntrack_ipv4: can't register hooks.\n");
                 goto cleanup_ipv4;
         }
-        ret = nf_register_hook(&ipv4_conntrack_defrag_local_out_ops);
-        if (ret < 0) {
-                printk("nf_conntrack_ipv4: can't register local_out defrag hook.\n");
-                goto cleanup_defragops;
-        }
-
-        ret = nf_register_hook(&ipv4_conntrack_in_ops);
-        if (ret < 0) {
-                printk("nf_conntrack_ipv4: can't register pre-routing hook.\n");
-                goto cleanup_defraglocalops;
-        }
-
-        ret = nf_register_hook(&ipv4_conntrack_local_out_ops);
-        if (ret < 0) {
-                printk("nf_conntrack_ipv4: can't register local out hook.\n");
-                goto cleanup_inops;
-        }
-
-        ret = nf_register_hook(&ipv4_conntrack_helper_in_ops);
-        if (ret < 0) {
-                printk("nf_conntrack_ipv4: can't register local helper hook.\n");
-                goto cleanup_inandlocalops;
-        }
-
-        ret = nf_register_hook(&ipv4_conntrack_helper_out_ops);
-        if (ret < 0) {
-                printk("nf_conntrack_ipv4: can't register postrouting helper hook.\n");
-                goto cleanup_helperinops;
-        }
-
-        ret = nf_register_hook(&ipv4_conntrack_out_ops);
-        if (ret < 0) {
-                printk("nf_conntrack_ipv4: can't register post-routing hook.\n");
-                goto cleanup_helperoutops;
-        }
-
-        ret = nf_register_hook(&ipv4_conntrack_local_in_ops);
-        if (ret < 0) {
-                printk("nf_conntrack_ipv4: can't register local in hook.\n");
-                goto cleanup_inoutandlocalops;
-        }
-
 #ifdef CONFIG_SYSCTL
         nf_ct_ipv4_sysctl_header = register_sysctl_table(nf_ct_net_table, 0);
         if (nf_ct_ipv4_sysctl_header == NULL) {
                 printk("nf_conntrack: can't register to sysctl.\n");
                 ret = -ENOMEM;
-                goto cleanup_localinops;
+                goto cleanup_hooks;
         }
 #endif
         return ret;
 
- cleanup:
-        synchronize_net();
 #ifdef CONFIG_SYSCTL
-        unregister_sysctl_table(nf_ct_ipv4_sysctl_header);
- cleanup_localinops:
+ cleanup_hooks:
+        nf_unregister_hooks(ipv4_conntrack_ops, ARRAY_SIZE(ipv4_conntrack_ops));
 #endif
-        nf_unregister_hook(&ipv4_conntrack_local_in_ops);
- cleanup_inoutandlocalops:
-        nf_unregister_hook(&ipv4_conntrack_out_ops);
- cleanup_helperoutops:
-        nf_unregister_hook(&ipv4_conntrack_helper_out_ops);
- cleanup_helperinops:
-        nf_unregister_hook(&ipv4_conntrack_helper_in_ops);
- cleanup_inandlocalops:
-        nf_unregister_hook(&ipv4_conntrack_local_out_ops);
- cleanup_inops:
-        nf_unregister_hook(&ipv4_conntrack_in_ops);
- cleanup_defraglocalops:
-        nf_unregister_hook(&ipv4_conntrack_defrag_local_out_ops);
- cleanup_defragops:
-        nf_unregister_hook(&ipv4_conntrack_defrag_ops);
  cleanup_ipv4:
         nf_conntrack_l3proto_unregister(&nf_conntrack_l3proto_ipv4);
  cleanup_icmp:
@@ -564,22 +502,21 @@ static int init_or_cleanup(int init)
         nf_conntrack_protocol_unregister(&nf_conntrack_protocol_tcp4);
  cleanup_sockopt:
         nf_unregister_sockopt(&so_getorigdst);
- cleanup_nothing:
         return ret;
 }
 
-MODULE_ALIAS("nf_conntrack-" __stringify(AF_INET));
-MODULE_LICENSE("GPL");
-
-static int __init nf_conntrack_l3proto_ipv4_init(void)
-{
-        need_conntrack();
-        return init_or_cleanup(1);
-}
-
 static void __exit nf_conntrack_l3proto_ipv4_fini(void)
 {
-        init_or_cleanup(0);
+        synchronize_net();
+#ifdef CONFIG_SYSCTL
+        unregister_sysctl_table(nf_ct_ipv4_sysctl_header);
+#endif
+        nf_unregister_hooks(ipv4_conntrack_ops, ARRAY_SIZE(ipv4_conntrack_ops));
+        nf_conntrack_l3proto_unregister(&nf_conntrack_l3proto_ipv4);
+        nf_conntrack_protocol_unregister(&nf_conntrack_protocol_icmp);
+        nf_conntrack_protocol_unregister(&nf_conntrack_protocol_udp4);
+        nf_conntrack_protocol_unregister(&nf_conntrack_protocol_tcp4);
+        nf_unregister_sockopt(&so_getorigdst);
 }
 
 module_init(nf_conntrack_l3proto_ipv4_init);
diff --git a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
index 52dc175be39a..4b0d361cc6e6 100644
--- a/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
+++ b/net/ipv4/netfilter/nf_conntrack_proto_icmp.c
@@ -235,30 +235,14 @@ icmp_error(struct sk_buff *skb, unsigned int dataoff,
         }
 
         /* See ip_conntrack_proto_tcp.c */
-        if (hooknum != NF_IP_PRE_ROUTING)
-                goto checksum_skipped;
-
-        switch (skb->ip_summed) {
-        case CHECKSUM_HW:
-                if (!(u16)csum_fold(skb->csum))
-                        break;
+        if (hooknum == NF_IP_PRE_ROUTING &&
+            nf_ip_checksum(skb, hooknum, dataoff, 0)) {
                 if (LOG_INVALID(IPPROTO_ICMP))
                         nf_log_packet(PF_INET, 0, skb, NULL, NULL, NULL,
                                       "nf_ct_icmp: bad HW ICMP checksum ");
                 return -NF_ACCEPT;
-        case CHECKSUM_NONE:
-                if ((u16)csum_fold(skb_checksum(skb, 0, skb->len, 0))) {
-                        if (LOG_INVALID(IPPROTO_ICMP))
-                                nf_log_packet(PF_INET, 0, skb, NULL, NULL,
-                                              NULL,
-                                              "nf_ct_icmp: bad ICMP checksum ");
-                        return -NF_ACCEPT;
-                }
-        default:
-                break;
         }
 
-checksum_skipped:
         /*
          *      18 is the highest 'known' ICMP type. Anything else is a mystery
          *
diff --git a/net/ipv4/tunnel4.c b/net/ipv4/tunnel4.c
index 0d7d386dac22..8d30c48f090e 100644
--- a/net/ipv4/tunnel4.c
+++ b/net/ipv4/tunnel4.c
@@ -8,6 +8,8 @@
 #include <linux/mutex.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
+#include <net/icmp.h>
+#include <net/ip.h>
 #include <net/protocol.h>
 #include <net/xfrm.h>
 
@@ -70,10 +72,16 @@ static int tunnel4_rcv(struct sk_buff *skb)
 {
         struct xfrm_tunnel *handler;
 
+        if (!pskb_may_pull(skb, sizeof(struct iphdr)))
+                goto drop;
+
         for (handler = tunnel4_handlers; handler; handler = handler->next)
                 if (!handler->handler(skb))
                         return 0;
 
+        icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, 0);
+
+drop:
         kfree_skb(skb);
         return 0;
 }
diff --git a/net/ipv4/xfrm4_input.c b/net/ipv4/xfrm4_input.c
index e1b8f4b90d80..3e174c83bfe7 100644
--- a/net/ipv4/xfrm4_input.c
+++ b/net/ipv4/xfrm4_input.c
@@ -37,8 +37,6 @@ static int xfrm4_parse_spi(struct sk_buff *skb, u8 nexthdr, u32 *spi, u32 *seq)
 {
         switch (nexthdr) {
         case IPPROTO_IPIP:
-                if (!pskb_may_pull(skb, sizeof(struct iphdr)))
-                        return -EINVAL;
                 *spi = skb->nh.iph->saddr;
                 *seq = 0;
                 return 0;
@@ -90,7 +88,7 @@ int xfrm4_rcv_encap(struct sk_buff *skb, __u16 encap_type)
                 if (unlikely(x->km.state != XFRM_STATE_VALID))
                         goto drop_unlock;
 
-                if (x->encap->encap_type != encap_type)
+                if ((x->encap ? x->encap->encap_type : 0) != encap_type)
                         goto drop_unlock;
 
                 if (x->props.replay_window && xfrm_replay_check(x, seq))
diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c
index bb8ffb8a14c5..2ae84c961678 100644
--- a/net/ipv6/inet6_hashtables.c
+++ b/net/ipv6/inet6_hashtables.c
@@ -23,6 +23,86 @@
 #include <net/inet6_hashtables.h>
 #include <net/ip.h>
 
+void __inet6_hash(struct inet_hashinfo *hashinfo,
+                                struct sock *sk)
+{
+        struct hlist_head *list;
+        rwlock_t *lock;
+
+        BUG_TRAP(sk_unhashed(sk));
+
+        if (sk->sk_state == TCP_LISTEN) {
+                list = &hashinfo->listening_hash[inet_sk_listen_hashfn(sk)];
+                lock = &hashinfo->lhash_lock;
+                inet_listen_wlock(hashinfo);
+        } else {
+                unsigned int hash;
+                sk->sk_hash = hash = inet6_sk_ehashfn(sk);
+                hash &= (hashinfo->ehash_size - 1);
+                list = &hashinfo->ehash[hash].chain;
+                lock = &hashinfo->ehash[hash].lock;
+                write_lock(lock);
+        }
+
+        __sk_add_node(sk, list);
+        sock_prot_inc_use(sk->sk_prot);
+        write_unlock(lock);
+}
+EXPORT_SYMBOL(__inet6_hash);
+
+/*
+ * Sockets in TCP_CLOSE state are _always_ taken out of the hash, so
+ * we need not check it for TCP lookups anymore, thanks Alexey. -DaveM
+ *
+ * The sockhash lock must be held as a reader here.
+ */
+struct sock *__inet6_lookup_established(struct inet_hashinfo *hashinfo,
+                                           const struct in6_addr *saddr,
+                                           const u16 sport,
+                                           const struct in6_addr *daddr,
+                                           const u16 hnum,
+                                           const int dif)
+{
+        struct sock *sk;
+        const struct hlist_node *node;
+        const __u32 ports = INET_COMBINED_PORTS(sport, hnum);
+        /* Optimize here for direct hit, only listening connections can
+         * have wildcards anyways.
+         */
+        unsigned int hash = inet6_ehashfn(daddr, hnum, saddr, sport);
+        struct inet_ehash_bucket *head = inet_ehash_bucket(hashinfo, hash);
+
+        prefetch(head->chain.first);
+        read_lock(&head->lock);
+        sk_for_each(sk, node, &head->chain) {
+                /* For IPV6 do the cheaper port and family tests first. */
+                if (INET6_MATCH(sk, hash, saddr, daddr, ports, dif))
+                        goto hit; /* You sunk my battleship! */
+        }
+        /* Must check for a TIME_WAIT'er before going to listener hash. */
+        sk_for_each(sk, node, &(head + hashinfo->ehash_size)->chain) {
+                const struct inet_timewait_sock *tw = inet_twsk(sk);
+
+                if(*((__u32 *)&(tw->tw_dport))  == ports        &&
+                   sk->sk_family                == PF_INET6) {
+                        const struct inet6_timewait_sock *tw6 = inet6_twsk(sk);
+
+                        if (ipv6_addr_equal(&tw6->tw_v6_daddr, saddr)   &&
+                            ipv6_addr_equal(&tw6->tw_v6_rcv_saddr, daddr)       &&
+                            (!sk->sk_bound_dev_if || sk->sk_bound_dev_if == dif))
+                                goto hit;
+                }
+        }
+        read_unlock(&head->lock);
+        return NULL;
+
+hit:
+        sock_hold(sk);
+        read_unlock(&head->lock);
+        return sk;
+}
+EXPORT_SYMBOL(__inet6_lookup_established);
+
 struct sock *inet6_lookup_listener(struct inet_hashinfo *hashinfo,
                                    const struct in6_addr *daddr,
                                    const unsigned short hnum, const int dif)
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index ff9040c92556..a995796b5a57 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -519,9 +519,6 @@ ip6ip6_rcv(struct sk_buff *skb)
         struct ipv6hdr *ipv6h;
         struct ip6_tnl *t;
 
-        if (!pskb_may_pull(skb, sizeof (*ipv6h)))
-                goto discard;
-
         ipv6h = skb->nh.ipv6h;
 
         read_lock(&ip6ip6_lock);
@@ -529,8 +526,7 @@ ip6ip6_rcv(struct sk_buff *skb)
         if ((t = ip6ip6_tnl_lookup(&ipv6h->saddr, &ipv6h->daddr)) != NULL) {
                 if (!xfrm6_policy_check(NULL, XFRM_POLICY_IN, skb)) {
                         read_unlock(&ip6ip6_lock);
-                        kfree_skb(skb);
-                        return 0;
+                        goto discard;
                 }
 
                 if (!(t->parms.flags & IP6_TNL_F_CAP_RCV)) {
@@ -557,9 +553,11 @@ ip6ip6_rcv(struct sk_buff *skb)
                 return 0;
         }
         read_unlock(&ip6ip6_lock);
-        icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_ADDR_UNREACH, 0, skb->dev);
-discard:
         return 1;
+
+discard:
+        kfree_skb(skb);
+        return 0;
 }
 
 static inline struct ipv6_txoptions *create_tel(__u8 encap_limit)
diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index d750cfc019dc..395a417ba955 100644
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -7,6 +7,7 @@
 #include <net/ipv6.h>
 #include <net/ip6_route.h>
 #include <net/xfrm.h>
+#include <net/ip6_checksum.h>
 
 int ip6_route_me_harder(struct sk_buff *skb)
 {
@@ -54,7 +55,7 @@ struct ip6_rt_info {
         struct in6_addr saddr;
 };
 
-static void save(const struct sk_buff *skb, struct nf_info *info)
+static void nf_ip6_saveroute(const struct sk_buff *skb, struct nf_info *info)
 {
         struct ip6_rt_info *rt_info = nf_info_reroute(info);
 
@@ -66,7 +67,7 @@ static void save(const struct sk_buff *skb, struct nf_info *info)
         }
 }
 
-static int reroute(struct sk_buff **pskb, const struct nf_info *info)
+static int nf_ip6_reroute(struct sk_buff **pskb, const struct nf_info *info)
 {
         struct ip6_rt_info *rt_info = nf_info_reroute(info);
 
@@ -79,15 +80,50 @@ static int reroute(struct sk_buff **pskb, const struct nf_info *info)
         return 0;
 }
 
-static struct nf_queue_rerouter ip6_reroute = {
-        .rer_size       = sizeof(struct ip6_rt_info),
-        .save           = &save,
-        .reroute        = &reroute,
+unsigned int nf_ip6_checksum(struct sk_buff *skb, unsigned int hook,
+                             unsigned int dataoff, u_int8_t protocol)
+{
+        struct ipv6hdr *ip6h = skb->nh.ipv6h;
+        unsigned int csum = 0;
+
+        switch (skb->ip_summed) {
+        case CHECKSUM_HW:
+                if (hook != NF_IP6_PRE_ROUTING && hook != NF_IP6_LOCAL_IN)
+                        break;
+                if (!csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr,
+                                     skb->len - dataoff, protocol,
+                                     csum_sub(skb->csum,
+                                              skb_checksum(skb, 0,
+                                                           dataoff, 0)))) {
+                        skb->ip_summed = CHECKSUM_UNNECESSARY;
+                        break;
+                }
+                /* fall through */
+        case CHECKSUM_NONE:
+                skb->csum = ~csum_ipv6_magic(&ip6h->saddr, &ip6h->daddr,
+                                             skb->len - dataoff,
+                                             protocol,
+                                             csum_sub(0,
+                                                      skb_checksum(skb, 0,
+                                                                   dataoff, 0)));
+                csum = __skb_checksum_complete(skb);
+        }
+        return csum;
+}
+
+EXPORT_SYMBOL(nf_ip6_checksum);
+
+static struct nf_afinfo nf_ip6_afinfo = {
+        .family         = AF_INET6,
+        .checksum       = nf_ip6_checksum,
+        .saveroute      = nf_ip6_saveroute,
+        .reroute        = nf_ip6_reroute,
+        .route_key_size = sizeof(struct ip6_rt_info),
 };
 
 int __init ipv6_netfilter_init(void)
 {
-        return nf_register_queue_rerouter(PF_INET6, &ip6_reroute);
+        return nf_register_afinfo(&nf_ip6_afinfo);
 }
 
 /* This can be called from inet6_init() on errors, so it cannot
@@ -95,5 +131,5 @@ int __init ipv6_netfilter_init(void)
  */
 void ipv6_netfilter_fini(void)
 {
-        nf_unregister_queue_rerouter(PF_INET6);
+        nf_unregister_afinfo(&nf_ip6_afinfo);
 }
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index e81c6a9dab81..b4b7d441af25 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -658,15 +658,11 @@ static struct nf_queue_handler nfqh = {
         .outfn  = &ipq_enqueue_packet,
 };
 
-static int
-init_or_cleanup(int init)
+static int __init ip6_queue_init(void)
 {
         int status = -ENOMEM;
         struct proc_dir_entry *proc;
         
-        if (!init)
-                goto cleanup;
-
         netlink_register_notifier(&ipq_nl_notifier);
         ipqnl = netlink_kernel_create(NETLINK_IP6_FW, 0, ipq_rcv_sk,
                                       THIS_MODULE);
@@ -693,11 +689,6 @@ init_or_cleanup(int init)
         }
         return status;
 
-cleanup:
-        nf_unregister_queue_handlers(&nfqh);
-        synchronize_net();
-        ipq_flush(NF_DROP);
-        
 cleanup_sysctl:
         unregister_sysctl_table(ipq_sysctl_header);
         unregister_netdevice_notifier(&ipq_dev_notifier);
@@ -713,15 +704,21 @@ cleanup_netlink_notifier:
         return status;
 }
 
-static int __init ip6_queue_init(void)
-{
-        
-        return init_or_cleanup(1);
-}
-
 static void __exit ip6_queue_fini(void)
 {
-        init_or_cleanup(0);
+        nf_unregister_queue_handlers(&nfqh);
+        synchronize_net();
+        ipq_flush(NF_DROP);
+
+        unregister_sysctl_table(ipq_sysctl_header);
+        unregister_netdevice_notifier(&ipq_dev_notifier);
+        proc_net_remove(IPQ_PROC_FS_NAME);
+
+        sock_release(ipqnl->sk_socket);
+        mutex_lock(&ipqnl_mutex);
+        mutex_unlock(&ipqnl_mutex);
+
+        netlink_unregister_notifier(&ipq_nl_notifier);
 }
 
 MODULE_DESCRIPTION("IPv6 packet queue handler");
diff --git a/net/ipv6/netfilter/ip6table_filter.c b/net/ipv6/netfilter/ip6table_filter.c
index e5e724d9ee60..60976c0c58e8 100644
--- a/net/ipv6/netfilter/ip6table_filter.c
+++ b/net/ipv6/netfilter/ip6table_filter.c
@@ -177,37 +177,20 @@ static int __init ip6table_filter_init(void)
                 return ret;
 
         /* Register hooks */
-        ret = nf_register_hook(&ip6t_ops[0]);
+        ret = nf_register_hooks(ip6t_ops, ARRAY_SIZE(ip6t_ops));
         if (ret < 0)
                 goto cleanup_table;
 
-        ret = nf_register_hook(&ip6t_ops[1]);
-        if (ret < 0)
-                goto cleanup_hook0;
-
-        ret = nf_register_hook(&ip6t_ops[2]);
-        if (ret < 0)
-                goto cleanup_hook1;
-
         return ret;
 
- cleanup_hook1:
-        nf_unregister_hook(&ip6t_ops[1]);
- cleanup_hook0:
-        nf_unregister_hook(&ip6t_ops[0]);
  cleanup_table:
         ip6t_unregister_table(&packet_filter);
-
         return ret;
 }
 
 static void __exit ip6table_filter_fini(void)
 {
-        unsigned int i;
-
-        for (i = 0; i < sizeof(ip6t_ops)/sizeof(struct nf_hook_ops); i++)
-                nf_unregister_hook(&ip6t_ops[i]);
-
+        nf_unregister_hooks(ip6t_ops, ARRAY_SIZE(ip6t_ops));
         ip6t_unregister_table(&packet_filter);
 }
 
diff --git a/net/ipv6/netfilter/ip6table_mangle.c b/net/ipv6/netfilter/ip6table_mangle.c
index e1f0f6ae9841..03a13eab1dae 100644
--- a/net/ipv6/netfilter/ip6table_mangle.c
+++ b/net/ipv6/netfilter/ip6table_mangle.c
@@ -238,49 +238,20 @@ static int __init ip6table_mangle_init(void)
                 return ret;
 
         /* Register hooks */
-        ret = nf_register_hook(&ip6t_ops[0]);
+        ret = nf_register_hooks(ip6t_ops, ARRAY_SIZE(ip6t_ops));
         if (ret < 0)
                 goto cleanup_table;
 
-        ret = nf_register_hook(&ip6t_ops[1]);
-        if (ret < 0)
-                goto cleanup_hook0;
-
-        ret = nf_register_hook(&ip6t_ops[2]);
-        if (ret < 0)
-                goto cleanup_hook1;
-
-        ret = nf_register_hook(&ip6t_ops[3]);
-        if (ret < 0)
-                goto cleanup_hook2;
-
-        ret = nf_register_hook(&ip6t_ops[4]);
-        if (ret < 0)
-                goto cleanup_hook3;
-
         return ret;
 
- cleanup_hook3:
-        nf_unregister_hook(&ip6t_ops[3]);
- cleanup_hook2:
-        nf_unregister_hook(&ip6t_ops[2]);
- cleanup_hook1:
-        nf_unregister_hook(&ip6t_ops[1]);
- cleanup_hook0:
-        nf_unregister_hook(&ip6t_ops[0]);
  cleanup_table:
         ip6t_unregister_table(&packet_mangler);
-
         return ret;
 }
 
 static void __exit ip6table_mangle_fini(void)
 {
-        unsigned int i;
-
-        for (i = 0; i < sizeof(ip6t_ops)/sizeof(struct nf_hook_ops); i++)
-                nf_unregister_hook(&ip6t_ops[i]);
-
+        nf_unregister_hooks(ip6t_ops, ARRAY_SIZE(ip6t_ops));
         ip6t_unregister_table(&packet_mangler);
 }
 
diff --git a/net/ipv6/netfilter/ip6table_raw.c b/net/ipv6/netfilter/ip6table_raw.c
index 54d1fffd62ba..61a7c58e99f8 100644
--- a/net/ipv6/netfilter/ip6table_raw.c
+++ b/net/ipv6/netfilter/ip6table_raw.c
@@ -152,31 +152,20 @@ static int __init ip6table_raw_init(void)
                 return ret;
 
         /* Register hooks */
-        ret = nf_register_hook(&ip6t_ops[0]);
+        ret = nf_register_hooks(ip6t_ops, ARRAY_SIZE(ip6t_ops));
         if (ret < 0)
                 goto cleanup_table;
 
-        ret = nf_register_hook(&ip6t_ops[1]);
-        if (ret < 0)
-                goto cleanup_hook0;
-
         return ret;
 
- cleanup_hook0:
-        nf_unregister_hook(&ip6t_ops[0]);
  cleanup_table:
         ip6t_unregister_table(&packet_raw);
-
         return ret;
 }
 
 static void __exit ip6table_raw_fini(void)
 {
-        unsigned int i;
-
-        for (i = 0; i < sizeof(ip6t_ops)/sizeof(struct nf_hook_ops); i++)
-                nf_unregister_hook(&ip6t_ops[i]);
-
+        nf_unregister_hooks(ip6t_ops, ARRAY_SIZE(ip6t_ops));
         ip6t_unregister_table(&packet_raw);
 }
 
diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index c8b5a96cbb0f..93bae36f2663 100644
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -286,55 +286,49 @@ static unsigned int ipv6_conntrack_local(unsigned int hooknum,
         return ipv6_conntrack_in(hooknum, pskb, in, out, okfn);
 }
 
-/* Connection tracking may drop packets, but never alters them, so
-   make it the first hook. */
-static struct nf_hook_ops ipv6_conntrack_defrag_ops = {
-        .hook           = ipv6_defrag,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET6,
-        .hooknum        = NF_IP6_PRE_ROUTING,
-        .priority       = NF_IP6_PRI_CONNTRACK_DEFRAG,
-};
-
-static struct nf_hook_ops ipv6_conntrack_in_ops = {
-        .hook           = ipv6_conntrack_in,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET6,
-        .hooknum        = NF_IP6_PRE_ROUTING,
-        .priority       = NF_IP6_PRI_CONNTRACK,
-};
-
-static struct nf_hook_ops ipv6_conntrack_local_out_ops = {
-        .hook           = ipv6_conntrack_local,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET6,
-        .hooknum        = NF_IP6_LOCAL_OUT,
-        .priority       = NF_IP6_PRI_CONNTRACK,
-};
-
-static struct nf_hook_ops ipv6_conntrack_defrag_local_out_ops = {
-        .hook           = ipv6_defrag,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET6,
-        .hooknum        = NF_IP6_LOCAL_OUT,
-        .priority       = NF_IP6_PRI_CONNTRACK_DEFRAG,
-};
-
-/* Refragmenter; last chance. */
-static struct nf_hook_ops ipv6_conntrack_out_ops = {
-        .hook           = ipv6_confirm,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET6,
-        .hooknum        = NF_IP6_POST_ROUTING,
-        .priority       = NF_IP6_PRI_LAST,
-};
-
-static struct nf_hook_ops ipv6_conntrack_local_in_ops = {
-        .hook           = ipv6_confirm,
-        .owner          = THIS_MODULE,
-        .pf             = PF_INET6,
-        .hooknum        = NF_IP6_LOCAL_IN,
-        .priority       = NF_IP6_PRI_LAST-1,
+static struct nf_hook_ops ipv6_conntrack_ops[] = {
+        {
+                .hook           = ipv6_defrag,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET6,
+                .hooknum        = NF_IP6_PRE_ROUTING,
+                .priority       = NF_IP6_PRI_CONNTRACK_DEFRAG,
+        },
+        {
+                .hook           = ipv6_conntrack_in,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET6,
+                .hooknum        = NF_IP6_PRE_ROUTING,
+                .priority       = NF_IP6_PRI_CONNTRACK,
+        },
+        {
+                .hook           = ipv6_conntrack_local,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET6,
+                .hooknum        = NF_IP6_LOCAL_OUT,
+                .priority       = NF_IP6_PRI_CONNTRACK,
+        },
+        {
+                .hook           = ipv6_defrag,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET6,
+                .hooknum        = NF_IP6_LOCAL_OUT,
+                .priority       = NF_IP6_PRI_CONNTRACK_DEFRAG,
+        },
+        {
+                .hook           = ipv6_confirm,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET6,
+                .hooknum        = NF_IP6_POST_ROUTING,
+                .priority       = NF_IP6_PRI_LAST,
+        },
+        {
+                .hook           = ipv6_confirm,
+                .owner          = THIS_MODULE,
+                .pf             = PF_INET6,
+                .hooknum        = NF_IP6_LOCAL_IN,
+                .priority       = NF_IP6_PRI_LAST-1,
+        },
 };
 
 #ifdef CONFIG_SYSCTL
@@ -470,16 +464,21 @@ extern struct nf_conntrack_protocol nf_conntrack_protocol_udp6;
 extern struct nf_conntrack_protocol nf_conntrack_protocol_icmpv6;
 extern int nf_ct_frag6_init(void);
 extern void nf_ct_frag6_cleanup(void);
-static int init_or_cleanup(int init)
+
+MODULE_ALIAS("nf_conntrack-" __stringify(AF_INET6));
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Yasuyuki KOZAKAI @USAGI <yasuyuki.kozakai@toshiba.co.jp>");
+
+static int __init nf_conntrack_l3proto_ipv6_init(void)
 {
         int ret = 0;
 
-        if (!init) goto cleanup;
+        need_conntrack();
 
         ret = nf_ct_frag6_init();
         if (ret < 0) {
                 printk("nf_conntrack_ipv6: can't initialize frag6.\n");
-                goto cleanup_nothing;
+                return ret;
         }
         ret = nf_conntrack_protocol_register(&nf_conntrack_protocol_tcp6);
         if (ret < 0) {
@@ -505,71 +504,27 @@ static int init_or_cleanup(int init)
                 goto cleanup_icmpv6;
         }
 
-        ret = nf_register_hook(&ipv6_conntrack_defrag_ops);
+        ret = nf_register_hooks(ipv6_conntrack_ops,
+                                ARRAY_SIZE(ipv6_conntrack_ops));
         if (ret < 0) {
                 printk("nf_conntrack_ipv6: can't register pre-routing defrag "
                        "hook.\n");
                 goto cleanup_ipv6;
         }
-
-        ret = nf_register_hook(&ipv6_conntrack_defrag_local_out_ops);
-        if (ret < 0) {
-                printk("nf_conntrack_ipv6: can't register local_out defrag "
-                       "hook.\n");
-                goto cleanup_defragops;
-        }
-
-        ret = nf_register_hook(&ipv6_conntrack_in_ops);
-        if (ret < 0) {
-                printk("nf_conntrack_ipv6: can't register pre-routing hook.\n");
-                goto cleanup_defraglocalops;
-        }
-
-        ret = nf_register_hook(&ipv6_conntrack_local_out_ops);
-        if (ret < 0) {
-                printk("nf_conntrack_ipv6: can't register local out hook.\n");
-                goto cleanup_inops;
-        }
-
-        ret = nf_register_hook(&ipv6_conntrack_out_ops);
-        if (ret < 0) {
-                printk("nf_conntrack_ipv6: can't register post-routing hook.\n");
-                goto cleanup_inandlocalops;
-        }
-
-        ret = nf_register_hook(&ipv6_conntrack_local_in_ops);
-        if (ret < 0) {
-                printk("nf_conntrack_ipv6: can't register local in hook.\n");
-                goto cleanup_inoutandlocalops;
-        }
-
 #ifdef CONFIG_SYSCTL
         nf_ct_ipv6_sysctl_header = register_sysctl_table(nf_ct_net_table, 0);
         if (nf_ct_ipv6_sysctl_header == NULL) {
                 printk("nf_conntrack: can't register to sysctl.\n");
                 ret = -ENOMEM;
-                goto cleanup_localinops;
+                goto cleanup_hooks;
         }
 #endif
         return ret;
 
- cleanup:
-        synchronize_net();
 #ifdef CONFIG_SYSCTL
-        unregister_sysctl_table(nf_ct_ipv6_sysctl_header);
- cleanup_localinops:
+ cleanup_hooks:
+        nf_unregister_hooks(ipv6_conntrack_ops, ARRAY_SIZE(ipv6_conntrack_ops));
 #endif
-        nf_unregister_hook(&ipv6_conntrack_local_in_ops);
- cleanup_inoutandlocalops:
-        nf_unregister_hook(&ipv6_conntrack_out_ops);
- cleanup_inandlocalops:
-        nf_unregister_hook(&ipv6_conntrack_local_out_ops);
- cleanup_inops:
-        nf_unregister_hook(&ipv6_conntrack_in_ops);
- cleanup_defraglocalops:
-        nf_unregister_hook(&ipv6_conntrack_defrag_local_out_ops);
- cleanup_defragops:
-        nf_unregister_hook(&ipv6_conntrack_defrag_ops);
  cleanup_ipv6:
         nf_conntrack_l3proto_unregister(&nf_conntrack_l3proto_ipv6);
  cleanup_icmpv6:
@@ -580,23 +535,21 @@ static int init_or_cleanup(int init)
         nf_conntrack_protocol_unregister(&nf_conntrack_protocol_tcp6);
  cleanup_frag6:
         nf_ct_frag6_cleanup();
- cleanup_nothing:
         return ret;
 }
 
-MODULE_ALIAS("nf_conntrack-" __stringify(AF_INET6));
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Yasuyuki KOZAKAI @USAGI <yasuyuki.kozakai@toshiba.co.jp>");
-
-static int __init nf_conntrack_l3proto_ipv6_init(void)
-{
-        need_conntrack();
-        return init_or_cleanup(1);
-}
-
 static void __exit nf_conntrack_l3proto_ipv6_fini(void)
 {
-        init_or_cleanup(0);
+        synchronize_net();
+#ifdef CONFIG_SYSCTL
+        unregister_sysctl_table(nf_ct_ipv6_sysctl_header);
+#endif
+        nf_unregister_hooks(ipv6_conntrack_ops, ARRAY_SIZE(ipv6_conntrack_ops));
+        nf_conntrack_l3proto_unregister(&nf_conntrack_l3proto_ipv6);
+        nf_conntrack_protocol_unregister(&nf_conntrack_protocol_icmpv6);
+        nf_conntrack_protocol_unregister(&nf_conntrack_protocol_udp6);
+        nf_conntrack_protocol_unregister(&nf_conntrack_protocol_tcp6);
+        nf_ct_frag6_cleanup();
 }
 
 module_init(nf_conntrack_l3proto_ipv6_init);
diff --git a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
index 09945c333055..86c6703265d0 100644
--- a/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
@@ -233,21 +233,13 @@ icmpv6_error(struct sk_buff *skb, unsigned int dataoff,
                 return -NF_ACCEPT;
         }
 
-        if (hooknum != NF_IP6_PRE_ROUTING)
-                goto skipped;
-
-        /* Ignore it if the checksum's bogus. */
-        if (csum_ipv6_magic(&skb->nh.ipv6h->saddr, &skb->nh.ipv6h->daddr,
-                            skb->len - dataoff, IPPROTO_ICMPV6,
-                            skb_checksum(skb, dataoff,
-                                         skb->len - dataoff, 0))) {
+        if (hooknum == NF_IP6_PRE_ROUTING &&
+            nf_ip6_checksum(skb, hooknum, dataoff, IPPROTO_ICMPV6)) {
                 nf_log_packet(PF_INET6, 0, skb, NULL, NULL, NULL,
                               "nf_ct_icmpv6: ICMPv6 checksum failed\n");
                 return -NF_ACCEPT;
         }
 
-skipped:
-
         /* is not error message ? */
         if (icmp6h->icmp6_type >= 128)
                 return NF_ACCEPT;
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index c2d3e17beae6..6578c3080f47 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -397,7 +397,7 @@ static int ipip6_rcv(struct sk_buff *skb)
                 return 0;
         }
 
-        icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PROT_UNREACH, 0);
+        icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, 0);
         kfree_skb(skb);
         read_unlock(&ipip6_lock);
 out:
diff --git a/net/ipv6/tunnel6.c b/net/ipv6/tunnel6.c
index 5659b52284bd..0ef9a35798d1 100644
--- a/net/ipv6/tunnel6.c
+++ b/net/ipv6/tunnel6.c
@@ -19,11 +19,13 @@
  *              YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
  */
 
+#include <linux/icmpv6.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/netdevice.h>
 #include <linux/skbuff.h>
+#include <net/ipv6.h>
 #include <net/protocol.h>
 #include <net/xfrm.h>
 
@@ -87,10 +89,16 @@ static int tunnel6_rcv(struct sk_buff **pskb)
         struct sk_buff *skb = *pskb;
         struct xfrm6_tunnel *handler;
 
+        if (!pskb_may_pull(skb, sizeof(struct ipv6hdr)))
+                goto drop;
+
         for (handler = tunnel6_handlers; handler; handler = handler->next)
                 if (!handler->handler(skb))
                         return 0;
 
+        icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0, skb->dev);
+
+drop:
         kfree_skb(skb);
         return 0;
 }
diff --git a/net/netfilter/core.c b/net/netfilter/core.c
index 1ceb1a6c254b..8455a32ea5c4 100644
--- a/net/netfilter/core.c
+++ b/net/netfilter/core.c
@@ -27,6 +27,29 @@
 
 #include "nf_internals.h"
 
+static DEFINE_SPINLOCK(afinfo_lock);
+
+struct nf_afinfo *nf_afinfo[NPROTO];
+EXPORT_SYMBOL(nf_afinfo);
+
+int nf_register_afinfo(struct nf_afinfo *afinfo)
+{
+        spin_lock(&afinfo_lock);
+        rcu_assign_pointer(nf_afinfo[afinfo->family], afinfo);
+        spin_unlock(&afinfo_lock);
+        return 0;
+}
+EXPORT_SYMBOL_GPL(nf_register_afinfo);
+
+void nf_unregister_afinfo(struct nf_afinfo *afinfo)
+{
+        spin_lock(&afinfo_lock);
+        rcu_assign_pointer(nf_afinfo[afinfo->family], NULL);
+        spin_unlock(&afinfo_lock);
+        synchronize_rcu();
+}
+EXPORT_SYMBOL_GPL(nf_unregister_afinfo);
+
 /* In this code, we can be waiting indefinitely for userspace to
  * service a packet if a hook returns NF_QUEUE.  We could keep a count
  * of skbuffs queued for userspace, and not deregister a hook unless
@@ -63,6 +86,34 @@ void nf_unregister_hook(struct nf_hook_ops *reg)
 }
 EXPORT_SYMBOL(nf_unregister_hook);
 
+int nf_register_hooks(struct nf_hook_ops *reg, unsigned int n)
+{
+        unsigned int i;
+        int err = 0;
+
+        for (i = 0; i < n; i++) {
+                err = nf_register_hook(&reg[i]);
+                if (err)
+                        goto err;
+        }
+        return err;
+
+err:
+        if (i > 0)
+                nf_unregister_hooks(reg, i);
+        return err;
+}
+EXPORT_SYMBOL(nf_register_hooks);
+
+void nf_unregister_hooks(struct nf_hook_ops *reg, unsigned int n)
+{
+        unsigned int i;
+
+        for (i = 0; i < n; i++)
+                nf_unregister_hook(&reg[i]);
+}
+EXPORT_SYMBOL(nf_unregister_hooks);
+
 unsigned int nf_iterate(struct list_head *head,
                         struct sk_buff **skb,
                         int hook,
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index 6492ed66fb3c..69899f27d26a 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -799,8 +799,7 @@ static int tcp_error(struct sk_buff *skb,
                      unsigned int dataoff,
                      enum ip_conntrack_info *ctinfo,
                      int pf,
-                     unsigned int hooknum,
-                     int(*csum)(const struct sk_buff *,unsigned int))
+                     unsigned int hooknum)
 {
         struct tcphdr _tcph, *th;
         unsigned int tcplen = skb->len - dataoff;
@@ -830,9 +829,8 @@ static int tcp_error(struct sk_buff *skb,
          */
         /* FIXME: Source route IP option packets --RR */
         if (((pf == PF_INET && hooknum == NF_IP_PRE_ROUTING) ||
-             (pf == PF_INET6 && hooknum  == NF_IP6_PRE_ROUTING))
-            && skb->ip_summed != CHECKSUM_UNNECESSARY
-            && csum(skb, dataoff)) {
+             (pf == PF_INET6 && hooknum  == NF_IP6_PRE_ROUTING)) &&
+            nf_checksum(skb, hooknum, dataoff, IPPROTO_TCP, pf)) {
                 if (LOG_INVALID(IPPROTO_TCP))
                         nf_log_packet(pf, 0, skb, NULL, NULL, NULL,
                                   "nf_ct_tcp: bad TCP checksum ");
@@ -851,44 +849,6 @@ static int tcp_error(struct sk_buff *skb,
         return NF_ACCEPT;
 }
 
-static int csum4(const struct sk_buff *skb, unsigned int dataoff)
-{
-        return csum_tcpudp_magic(skb->nh.iph->saddr, skb->nh.iph->daddr,
-                                 skb->len - dataoff, IPPROTO_TCP,
-                                 skb->ip_summed == CHECKSUM_HW ? skb->csum
-                                 : skb_checksum(skb, dataoff,
-                                                skb->len - dataoff, 0));
-}
-
-static int csum6(const struct sk_buff *skb, unsigned int dataoff)
-{
-        return csum_ipv6_magic(&skb->nh.ipv6h->saddr, &skb->nh.ipv6h->daddr,
-                               skb->len - dataoff, IPPROTO_TCP,
-                               skb->ip_summed == CHECKSUM_HW
-                               ? csum_sub(skb->csum,
-                                          skb_checksum(skb, 0, dataoff, 0))
-                               : skb_checksum(skb, dataoff, skb->len - dataoff,
-                                              0));
-}
-
-static int tcp_error4(struct sk_buff *skb,
-                      unsigned int dataoff,
-                      enum ip_conntrack_info *ctinfo,
-                      int pf,
-                      unsigned int hooknum)
-{
-        return tcp_error(skb, dataoff, ctinfo, pf, hooknum, csum4);
-}
-
-static int tcp_error6(struct sk_buff *skb,
-                      unsigned int dataoff,
-                      enum ip_conntrack_info *ctinfo,
-                      int pf,
-                      unsigned int hooknum)
-{
-        return tcp_error(skb, dataoff, ctinfo, pf, hooknum, csum6);
-}
-
 /* Returns verdict for packet, or -1 for invalid. */
 static int tcp_packet(struct nf_conn *conntrack,
                       const struct sk_buff *skb,
@@ -1218,7 +1178,7 @@ struct nf_conntrack_protocol nf_conntrack_protocol_tcp4 =
         .print_conntrack        = tcp_print_conntrack,
         .packet                 = tcp_packet,
         .new                    = tcp_new,
-        .error                  = tcp_error4,
+        .error                  = tcp_error,
 #if defined(CONFIG_NF_CT_NETLINK) || \
     defined(CONFIG_NF_CT_NETLINK_MODULE)
         .to_nfattr              = tcp_to_nfattr,
@@ -1239,7 +1199,7 @@ struct nf_conntrack_protocol nf_conntrack_protocol_tcp6 =
         .print_conntrack        = tcp_print_conntrack,
         .packet                 = tcp_packet,
         .new                    = tcp_new,
-        .error                  = tcp_error6,
+        .error                  = tcp_error,
 #if defined(CONFIG_NF_CT_NETLINK) || \
     defined(CONFIG_NF_CT_NETLINK_MODULE)
         .to_nfattr              = tcp_to_nfattr,
diff --git a/net/netfilter/nf_conntrack_proto_udp.c b/net/netfilter/nf_conntrack_proto_udp.c
index 831d206344e0..d93edbfde9e3 100644
--- a/net/netfilter/nf_conntrack_proto_udp.c
+++ b/net/netfilter/nf_conntrack_proto_udp.c
@@ -103,8 +103,7 @@ static int udp_new(struct nf_conn *conntrack, const struct sk_buff *skb,
 static int udp_error(struct sk_buff *skb, unsigned int dataoff,
                      enum ip_conntrack_info *ctinfo,
                      int pf,
-                     unsigned int hooknum,
-                     int (*csum)(const struct sk_buff *, unsigned int))
+                     unsigned int hooknum)
 {
         unsigned int udplen = skb->len - dataoff;
         struct udphdr _hdr, *hdr;
@@ -136,9 +135,8 @@ static int udp_error(struct sk_buff *skb, unsigned int dataoff,
          * and moreover root might send raw packets.
          * FIXME: Source route IP option packets --RR */
         if (((pf == PF_INET && hooknum == NF_IP_PRE_ROUTING) ||
-             (pf == PF_INET6 && hooknum == NF_IP6_PRE_ROUTING))
-            && skb->ip_summed != CHECKSUM_UNNECESSARY
-            && csum(skb, dataoff)) {
+             (pf == PF_INET6 && hooknum == NF_IP6_PRE_ROUTING)) &&
+            nf_checksum(skb, hooknum, dataoff, IPPROTO_UDP, pf)) {
                 if (LOG_INVALID(IPPROTO_UDP))
                         nf_log_packet(pf, 0, skb, NULL, NULL, NULL,
                                 "nf_ct_udp: bad UDP checksum ");
@@ -148,44 +146,6 @@ static int udp_error(struct sk_buff *skb, unsigned int dataoff,
         return NF_ACCEPT;
 }
 
-static int csum4(const struct sk_buff *skb, unsigned int dataoff)
-{
-        return csum_tcpudp_magic(skb->nh.iph->saddr, skb->nh.iph->daddr,
-                                 skb->len - dataoff, IPPROTO_UDP,
-                                 skb->ip_summed == CHECKSUM_HW ? skb->csum
-                                 : skb_checksum(skb, dataoff,
-                                                skb->len - dataoff, 0));
-}
-
-static int csum6(const struct sk_buff *skb, unsigned int dataoff)
-{
-        return csum_ipv6_magic(&skb->nh.ipv6h->saddr, &skb->nh.ipv6h->daddr,
-                               skb->len - dataoff, IPPROTO_UDP,
-                               skb->ip_summed == CHECKSUM_HW
-                               ? csum_sub(skb->csum,
-                                          skb_checksum(skb, 0, dataoff, 0))
-                               : skb_checksum(skb, dataoff, skb->len - dataoff,
-                                              0));
-}
-
-static int udp_error4(struct sk_buff *skb,
-                      unsigned int dataoff,
-                      enum ip_conntrack_info *ctinfo,
-                      int pf,
-                      unsigned int hooknum)
-{
-        return udp_error(skb, dataoff, ctinfo, pf, hooknum, csum4);
-}
-
-static int udp_error6(struct sk_buff *skb,
-                      unsigned int dataoff,
-                      enum ip_conntrack_info *ctinfo,
-                      int pf,
-                      unsigned int hooknum)
-{
-        return udp_error(skb, dataoff, ctinfo, pf, hooknum, csum6);
-}
-
 struct nf_conntrack_protocol nf_conntrack_protocol_udp4 =
 {
         .l3proto                = PF_INET,
@@ -197,7 +157,7 @@ struct nf_conntrack_protocol nf_conntrack_protocol_udp4 =
         .print_conntrack        = udp_print_conntrack,
         .packet                 = udp_packet,
         .new                    = udp_new,
-        .error                  = udp_error4,
+        .error                  = udp_error,
 #if defined(CONFIG_NF_CT_NETLINK) || \
     defined(CONFIG_NF_CT_NETLINK_MODULE)
         .tuple_to_nfattr        = nf_ct_port_tuple_to_nfattr,
@@ -216,7 +176,7 @@ struct nf_conntrack_protocol nf_conntrack_protocol_udp6 =
         .print_conntrack        = udp_print_conntrack,
         .packet                 = udp_packet,
         .new                    = udp_new,
-        .error                  = udp_error6,
+        .error                  = udp_error,
 #if defined(CONFIG_NF_CT_NETLINK) || \
     defined(CONFIG_NF_CT_NETLINK_MODULE)
         .tuple_to_nfattr        = nf_ct_port_tuple_to_nfattr,
diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c
index c72aa3cd22e4..408960c6a544 100644
--- a/net/netfilter/nf_conntrack_standalone.c
+++ b/net/netfilter/nf_conntrack_standalone.c
@@ -649,63 +649,6 @@ static ctl_table nf_ct_net_table[] = {
 EXPORT_SYMBOL(nf_ct_log_invalid);
 #endif /* CONFIG_SYSCTL */
 
-static int init_or_cleanup(int init)
-{
-#ifdef CONFIG_PROC_FS
-        struct proc_dir_entry *proc, *proc_exp, *proc_stat;
-#endif
-        int ret = 0;
-
-        if (!init) goto cleanup;
-
-        ret = nf_conntrack_init();
-        if (ret < 0)
-                goto cleanup_nothing;
-
-#ifdef CONFIG_PROC_FS
-        proc = proc_net_fops_create("nf_conntrack", 0440, &ct_file_ops);
-        if (!proc) goto cleanup_init;
-
-        proc_exp = proc_net_fops_create("nf_conntrack_expect", 0440,
-                                        &exp_file_ops);
-        if (!proc_exp) goto cleanup_proc;
-
-        proc_stat = create_proc_entry("nf_conntrack", S_IRUGO, proc_net_stat);
-        if (!proc_stat)
-                goto cleanup_proc_exp;
-
-        proc_stat->proc_fops = &ct_cpu_seq_fops;
-        proc_stat->owner = THIS_MODULE;
-#endif
-#ifdef CONFIG_SYSCTL
-        nf_ct_sysctl_header = register_sysctl_table(nf_ct_net_table, 0);
-        if (nf_ct_sysctl_header == NULL) {
-                printk("nf_conntrack: can't register to sysctl.\n");
-                ret = -ENOMEM;
-                goto cleanup_proc_stat;
-        }
-#endif
-
-        return ret;
-
- cleanup:
-#ifdef CONFIG_SYSCTL
-        unregister_sysctl_table(nf_ct_sysctl_header);
- cleanup_proc_stat:
-#endif
-#ifdef CONFIG_PROC_FS
-        remove_proc_entry("nf_conntrack", proc_net_stat);
- cleanup_proc_exp:
-        proc_net_remove("nf_conntrack_expect");
- cleanup_proc:
-        proc_net_remove("nf_conntrack");
- cleanup_init:
-#endif /* CNFIG_PROC_FS */
-        nf_conntrack_cleanup();
- cleanup_nothing:
-        return ret;
-}
-
 int nf_conntrack_l3proto_register(struct nf_conntrack_l3proto *proto)
 {
         int ret = 0;
@@ -808,12 +751,66 @@ void nf_conntrack_protocol_unregister(struct nf_conntrack_protocol *proto)
 
 static int __init nf_conntrack_standalone_init(void)
 {
-        return init_or_cleanup(1);
+#ifdef CONFIG_PROC_FS
+        struct proc_dir_entry *proc, *proc_exp, *proc_stat;
+#endif
+        int ret = 0;
+
+        ret = nf_conntrack_init();
+        if (ret < 0)
+                return ret;
+
+#ifdef CONFIG_PROC_FS
+        proc = proc_net_fops_create("nf_conntrack", 0440, &ct_file_ops);
+        if (!proc) goto cleanup_init;
+
+        proc_exp = proc_net_fops_create("nf_conntrack_expect", 0440,
+                                        &exp_file_ops);
+        if (!proc_exp) goto cleanup_proc;
+
+        proc_stat = create_proc_entry("nf_conntrack", S_IRUGO, proc_net_stat);
+        if (!proc_stat)
+                goto cleanup_proc_exp;
+
+        proc_stat->proc_fops = &ct_cpu_seq_fops;
+        proc_stat->owner = THIS_MODULE;
+#endif
+#ifdef CONFIG_SYSCTL
+        nf_ct_sysctl_header = register_sysctl_table(nf_ct_net_table, 0);
+        if (nf_ct_sysctl_header == NULL) {
+                printk("nf_conntrack: can't register to sysctl.\n");
+                ret = -ENOMEM;
+                goto cleanup_proc_stat;
+        }
+#endif
+        return ret;
+
+#ifdef CONFIG_SYSCTL
+ cleanup_proc_stat:
+#endif
+#ifdef CONFIG_PROC_FS
+        remove_proc_entry("nf_conntrack", proc_net_stat);
+ cleanup_proc_exp:
+        proc_net_remove("nf_conntrack_expect");
+ cleanup_proc:
+        proc_net_remove("nf_conntrack");
+ cleanup_init:
+#endif /* CNFIG_PROC_FS */
+        nf_conntrack_cleanup();
+        return ret;
 }
 
 static void __exit nf_conntrack_standalone_fini(void)
 {
-        init_or_cleanup(0);
+#ifdef CONFIG_SYSCTL
+        unregister_sysctl_table(nf_ct_sysctl_header);
+#endif
+#ifdef CONFIG_PROC_FS
+        remove_proc_entry("nf_conntrack", proc_net_stat);
+        proc_net_remove("nf_conntrack_expect");
+        proc_net_remove("nf_conntrack");
+#endif /* CNFIG_PROC_FS */
+        nf_conntrack_cleanup();
 }
 
 module_init(nf_conntrack_standalone_init);
diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c
index d9f0d7ef103b..ee8f70889f47 100644
--- a/net/netfilter/nf_queue.c
+++ b/net/netfilter/nf_queue.c
@@ -17,7 +17,6 @@
  * for queueing and must reinject all packets it receives, no matter what.
  */
 static struct nf_queue_handler *queue_handler[NPROTO];
-static struct nf_queue_rerouter *queue_rerouter[NPROTO];
 
 static DEFINE_RWLOCK(queue_handler_lock);
 
@@ -59,32 +58,6 @@ int nf_unregister_queue_handler(int pf)
 }
 EXPORT_SYMBOL(nf_unregister_queue_handler);
 
-int nf_register_queue_rerouter(int pf, struct nf_queue_rerouter *rer)
-{
-        if (pf >= NPROTO)
-                return -EINVAL;
-
-        write_lock_bh(&queue_handler_lock);
-        rcu_assign_pointer(queue_rerouter[pf], rer);
-        write_unlock_bh(&queue_handler_lock);
-
-        return 0;
-}
-EXPORT_SYMBOL_GPL(nf_register_queue_rerouter);
-
-int nf_unregister_queue_rerouter(int pf)
-{
-        if (pf >= NPROTO)
-                return -EINVAL;
-
-        write_lock_bh(&queue_handler_lock);
-        rcu_assign_pointer(queue_rerouter[pf], NULL);
-        write_unlock_bh(&queue_handler_lock);
-        synchronize_rcu();
-        return 0;
-}
-EXPORT_SYMBOL_GPL(nf_unregister_queue_rerouter);
-
 void nf_unregister_queue_handlers(struct nf_queue_handler *qh)
 {
         int pf;
@@ -116,7 +89,7 @@ int nf_queue(struct sk_buff **skb,
         struct net_device *physindev = NULL;
         struct net_device *physoutdev = NULL;
 #endif
-        struct nf_queue_rerouter *rerouter;
+        struct nf_afinfo *afinfo;
 
         /* QUEUE == DROP if noone is waiting, to be safe. */
         read_lock(&queue_handler_lock);
@@ -126,7 +99,14 @@ int nf_queue(struct sk_buff **skb,
                 return 1;
         }
 
-        info = kmalloc(sizeof(*info)+queue_rerouter[pf]->rer_size, GFP_ATOMIC);
+        afinfo = nf_get_afinfo(pf);
+        if (!afinfo) {
+                read_unlock(&queue_handler_lock);
+                kfree_skb(*skb);
+                return 1;
+        }
+
+        info = kmalloc(sizeof(*info) + afinfo->route_key_size, GFP_ATOMIC);
         if (!info) {
                 if (net_ratelimit())
                         printk(KERN_ERR "OOM queueing packet %p\n",
@@ -158,10 +138,7 @@ int nf_queue(struct sk_buff **skb,
                 if (physoutdev) dev_hold(physoutdev);
         }
 #endif
-        rerouter = rcu_dereference(queue_rerouter[pf]);
-        if (rerouter)
-                rerouter->save(*skb, info);
-
+        afinfo->saveroute(*skb, info);
         status = queue_handler[pf]->outfn(*skb, info, queuenum,
                                           queue_handler[pf]->data);
 
@@ -190,7 +167,7 @@ void nf_reinject(struct sk_buff *skb, struct nf_info *info,
 {
         struct list_head *elem = &info->elem->list;
         struct list_head *i;
-        struct nf_queue_rerouter *rerouter;
+        struct nf_afinfo *afinfo;
 
         rcu_read_lock();
 
@@ -228,8 +205,8 @@ void nf_reinject(struct sk_buff *skb, struct nf_info *info,
         }
 
         if (verdict == NF_ACCEPT) {
-                rerouter = rcu_dereference(queue_rerouter[info->pf]);
-                if (rerouter && rerouter->reroute(&skb, info) < 0)
+                afinfo = nf_get_afinfo(info->pf);
+                if (!afinfo || afinfo->reroute(&skb, info) < 0)
                         verdict = NF_DROP;
         }
 
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 3e3f5448bacb..c60273cad778 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -1033,17 +1033,13 @@ static struct file_operations nful_file_ops = {
 
 #endif /* PROC_FS */
 
-static int
-init_or_cleanup(int init)
+static int __init nfnetlink_log_init(void)
 {
         int i, status = -ENOMEM;
 #ifdef CONFIG_PROC_FS
         struct proc_dir_entry *proc_nful;
 #endif
         
-        if (!init)
-                goto cleanup;
-
         for (i = 0; i < INSTANCE_BUCKETS; i++)
                 INIT_HLIST_HEAD(&instance_table[i]);
         
@@ -1066,30 +1062,25 @@ init_or_cleanup(int init)
                 goto cleanup_subsys;
         proc_nful->proc_fops = &nful_file_ops;
 #endif
-
         return status;
 
-cleanup:
-        nf_log_unregister_logger(&nfulnl_logger);
 #ifdef CONFIG_PROC_FS
-        remove_proc_entry("nfnetlink_log", proc_net_netfilter);
 cleanup_subsys:
-#endif
         nfnetlink_subsys_unregister(&nfulnl_subsys);
+#endif
 cleanup_netlink_notifier:
         netlink_unregister_notifier(&nfulnl_rtnl_notifier);
         return status;
 }
 
-static int __init nfnetlink_log_init(void)
-{
-        
-        return init_or_cleanup(1);
-}
-
 static void __exit nfnetlink_log_fini(void)
 {
-        init_or_cleanup(0);
+        nf_log_unregister_logger(&nfulnl_logger);
+#ifdef CONFIG_PROC_FS
+        remove_proc_entry("nfnetlink_log", proc_net_netfilter);
+#endif
+        nfnetlink_subsys_unregister(&nfulnl_subsys);
+        netlink_unregister_notifier(&nfulnl_rtnl_notifier);
 }
 
 MODULE_DESCRIPTION("netfilter userspace logging");
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index d0e62f68139f..86a4ac33de34 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -1071,17 +1071,13 @@ static struct file_operations nfqnl_file_ops = {
 
 #endif /* PROC_FS */
 
-static int
-init_or_cleanup(int init)
+static int __init nfnetlink_queue_init(void)
 {
         int i, status = -ENOMEM;
 #ifdef CONFIG_PROC_FS
         struct proc_dir_entry *proc_nfqueue;
 #endif
         
-        if (!init)
-                goto cleanup;
-
         for (i = 0; i < INSTANCE_BUCKETS; i++)
                 INIT_HLIST_HEAD(&instance_table[i]);
 
@@ -1101,31 +1097,26 @@ init_or_cleanup(int init)
 #endif
 
         register_netdevice_notifier(&nfqnl_dev_notifier);
-
         return status;
 
-cleanup:
-        nf_unregister_queue_handlers(&nfqh);
-        unregister_netdevice_notifier(&nfqnl_dev_notifier);
 #ifdef CONFIG_PROC_FS
-        remove_proc_entry("nfnetlink_queue", proc_net_netfilter);
 cleanup_subsys:
-#endif  
         nfnetlink_subsys_unregister(&nfqnl_subsys);
+#endif
 cleanup_netlink_notifier:
         netlink_unregister_notifier(&nfqnl_rtnl_notifier);
         return status;
 }
 
-static int __init nfnetlink_queue_init(void)
-{
-        
-        return init_or_cleanup(1);
-}
-
 static void __exit nfnetlink_queue_fini(void)
 {
-        init_or_cleanup(0);
+        nf_unregister_queue_handlers(&nfqh);
+        unregister_netdevice_notifier(&nfqnl_dev_notifier);
+#ifdef CONFIG_PROC_FS
+        remove_proc_entry("nfnetlink_queue", proc_net_netfilter);
+#endif
+        nfnetlink_subsys_unregister(&nfqnl_subsys);
+        netlink_unregister_notifier(&nfqnl_rtnl_notifier);
 }
 
 MODULE_DESCRIPTION("netfilter packet queue handler");
diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index fa877f8f652c..24c348fa8922 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -66,7 +66,7 @@ static __inline__ struct tcf_police * tcf_police_lookup(u32 index)
 }
 
 #ifdef CONFIG_NET_CLS_ACT
-static int tcf_generic_walker(struct sk_buff *skb, struct netlink_callback *cb,
+static int tcf_act_police_walker(struct sk_buff *skb, struct netlink_callback *cb,
                               int type, struct tc_action *a)
 {
         struct tcf_police *p;
@@ -113,7 +113,7 @@ rtattr_failure:
 }
 
 static inline int
-tcf_hash_search(struct tc_action *a, u32 index)
+tcf_act_police_hash_search(struct tc_action *a, u32 index)
 {
         struct tcf_police *p = tcf_police_lookup(index);
 
@@ -387,9 +387,9 @@ static struct tc_action_ops act_police_ops = {
         .act            =       tcf_act_police,
         .dump           =       tcf_act_police_dump,
         .cleanup        =       tcf_act_police_cleanup,
-        .lookup         =       tcf_hash_search,
+        .lookup         =       tcf_act_police_hash_search,
         .init           =       tcf_act_police_locate,
-        .walk           =       tcf_generic_walker
+        .walk           =       tcf_act_police_walker
 };
 
 static int __init