openwrt/package/aodv-uu/patches/005-linux_2.6.22_skbuff.patch

Index: aodv-uu-0.9.3/lnx/kaodv-compat.h
===================================================================
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ aodv-uu-0.9.3/lnx/kaodv-compat.h	2007-06-17 02:49:46.844217144 +0200
@@ -0,0 +1,15 @@
+#ifndef __KAODV_COMPAT_H
+#define __KAODV_COMPAT_H
+
+#include <linux/version.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
+
+#define ip_hdr(_skb) _skb->nh.iph
+#define skb_reset_network_header(_skb) do { \
+		_skb->nh.iph = (struct iphdr *)_skb->data; \
+	} while (0);
+
+
+#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22) */
+
+#endif
Index: aodv-uu-0.9.3/lnx/kaodv-ipenc.c
===================================================================
--- aodv-uu-0.9.3.orig/lnx/kaodv-ipenc.c	2007-06-17 02:31:56.448941960 +0200
+++ aodv-uu-0.9.3/lnx/kaodv-ipenc.c	2007-06-17 02:45:50.420159064 +0200
@@ -64,7 +64,7 @@
     if (skb->sk != NULL)
 	skb_set_owner_w(nskb, skb->sk);
 
-    iph = skb->nh.iph;
+    iph = ip_hdr(skb);
 
     skb_put(nskb, sizeof(struct min_ipenc_hdr));
     
@@ -78,7 +78,8 @@
     skb = nskb;
     
     /* Update pointers */
-    iph = skb->nh.iph = (struct iphdr *)skb->data;
+	skb_reset_network_header(skb);
+    iph = (struct iphdr *)skb->data;
 
     ipe = (struct min_ipenc_hdr *)(skb->data + (iph->ihl << 2));
     
@@ -99,8 +100,8 @@
 
     ip_send_check(iph);
 
-    if (skb->nh.iph->id == 0)
-	ip_select_ident(skb->nh.iph, skb->dst, NULL);
+    if (ip_hdr(skb)->id == 0)
+	ip_select_ident(ip_hdr(skb), skb->dst, NULL);
         
     return skb;
 }
@@ -108,9 +109,7 @@
 struct sk_buff *ip_pkt_decapsulate(struct sk_buff *skb)
 {
     struct min_ipenc_hdr *ipe;
-    /* skb->nh.iph is probably not set yet */
-    struct iphdr *iph = skb->nh.iph;
-
+    struct iphdr *iph = ip_hdr(skb);
 
     ipe = (struct min_ipenc_hdr *)((char *)iph + (iph->ihl << 2));
 
@@ -123,8 +122,9 @@
 	    skb->len - (iph->ihl << 2) - sizeof(struct min_ipenc_hdr));
     
     skb_trim(skb, skb->len - sizeof(struct min_ipenc_hdr));
-    
-    skb->nh.iph = iph = (struct iphdr *)skb->data;
+
+	skb_reset_network_header(skb);
+    iph = (struct iphdr *)skb->data;
 
     iph->tot_len = htons((ntohs(iph->tot_len) - sizeof(struct min_ipenc_hdr))); 
     ip_send_check(iph);
Index: aodv-uu-0.9.3/lnx/kaodv-ipenc.h
===================================================================
--- aodv-uu-0.9.3.orig/lnx/kaodv-ipenc.h	2007-06-17 02:44:13.881835120 +0200
+++ aodv-uu-0.9.3/lnx/kaodv-ipenc.h	2007-06-17 02:44:16.549429584 +0200
@@ -27,6 +27,7 @@
 #include <linux/ip.h>
 #include <linux/skbuff.h>
 #include <asm/byteorder.h>
+#include "kaodv-compat.h"
 
 #define IPPROTO_MIPE 55
 
Index: aodv-uu-0.9.3/lnx/kaodv-mod.c
===================================================================
--- aodv-uu-0.9.3.orig/lnx/kaodv-mod.c	2007-06-17 02:43:33.776931992 +0200
+++ aodv-uu-0.9.3/lnx/kaodv-mod.c	2007-06-17 02:43:39.008136728 +0200
@@ -120,7 +120,7 @@
 			       const struct net_device *out,
 			       int (*okfn) (struct sk_buff *))
 {
-	struct iphdr *iph = (*skb)->nh.iph;
+	struct iphdr *iph = ip_hdr(*skb);
 	struct expl_entry e;
 	struct in_addr ifaddr, bcaddr;
 	int res = 0;
@@ -188,7 +188,7 @@
 		if (is_gateway && iph->protocol == IPPROTO_MIPE &&
 		    iph->daddr == ifaddr.s_addr) {
 			ip_pkt_decapsulate(*skb);
-			iph = (*skb)->nh.iph;
+			iph = ip_hdr(*skb);
 			return NF_ACCEPT;
 		}
 		/* Ignore packets generated locally or that are for this
Index: aodv-uu-0.9.3/lnx/kaodv-mod.h
===================================================================
--- aodv-uu-0.9.3.orig/lnx/kaodv-mod.h	2007-06-17 02:44:32.498005032 +0200
+++ aodv-uu-0.9.3/lnx/kaodv-mod.h	2007-06-17 02:44:34.662675952 +0200
@@ -5,6 +5,7 @@
 #include <linux/inetdevice.h>
 #include <linux/list.h>
 #include <linux/spinlock.h>
+#include "kaodv-compat.h"
 
 /* Interface information */
 struct if_info {
Index: aodv-uu-0.9.3/lnx/kaodv-queue.c
===================================================================
--- aodv-uu-0.9.3.orig/lnx/kaodv-queue.c	2007-06-17 02:45:01.513593992 +0200
+++ aodv-uu-0.9.3/lnx/kaodv-queue.c	2007-06-17 02:45:11.534070648 +0200
@@ -152,7 +152,7 @@
 {
 	int status = -EINVAL;
 	struct kaodv_queue_entry *entry;
-	struct iphdr *iph = skb->nh.iph;
+	struct iphdr *iph = ip_hdr(skb);
 
 	entry = kmalloc(sizeof(*entry), GFP_ATOMIC);
 
Index: aodv-uu-0.9.3/lnx/kaodv-queue.h
===================================================================
--- aodv-uu-0.9.3.orig/lnx/kaodv-queue.h	2007-06-17 02:44:50.537262648 +0200
+++ aodv-uu-0.9.3/lnx/kaodv-queue.h	2007-06-17 02:44:53.629792512 +0200
@@ -21,6 +21,7 @@
  *****************************************************************************/
 #ifndef _KAODV_QUEUE_H
 #define _KAODV_QUEUE_H
+#include "kaodv-compat.h"
 
 #define KAODV_QUEUE_DROP 1
 #define KAODV_QUEUE_SEND 2
Index: aodv-uu-0.9.3/lnx/kaodv-netlink.c
===================================================================
--- aodv-uu-0.9.3.orig/lnx/kaodv-netlink.c	2007-06-17 02:47:48.927143264 +0200
+++ aodv-uu-0.9.3/lnx/kaodv-netlink.c	2007-06-17 02:49:11.604574384 +0200
@@ -338,8 +338,10 @@
 	netlink_register_notifier(&kaodv_nl_notifier);
 #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,14))
 	kaodvnl = netlink_kernel_create(NETLINK_AODV, kaodv_netlink_rcv_sk);
-#else
+#elif (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22))
 	kaodvnl = netlink_kernel_create(NETLINK_AODV, AODVGRP_MAX, kaodv_netlink_rcv_sk, THIS_MODULE);
+#else
+	kaodvnl = netlink_kernel_create(NETLINK_AODV, AODVGRP_MAX, kaodv_netlink_rcv_sk, NULL, THIS_MODULE);
 #endif
 	if (kaodvnl == NULL) {
 		printk(KERN_ERR "kaodv_netlink: failed to create netlink socket\n");