1 files changed, 0 insertions, 140 deletions
diff --git a/package/linux/kernel-patches/311-ipsec-nat-traversal b/package/linux/kernel-patches/311-ipsec-nat-traversal
deleted file mode 100644
index fc4c29d27e..0000000000
--- a/package/linux/kernel-patches/311-ipsec-nat-traversal
+++ /dev/null
@@ -1,140 +0,0 @@
-packaging/utils/nattpatch 2.4
---- linux/include/net/sock.h	2002/02/06 15:25:10	1.1
-+++ linux/include/net/sock.h	2002/05/22 12:14:56
-@@ -488,7 +488,13 @@
- 	} bictcp;
- };
- 
-- 	
-+#if 1
-+#define UDP_OPT_IN_SOCK 1
-+struct udp_opt {
-+	__u32 esp_in_udp;
-+};
-+#endif
-+
- /*
-  * This structure really needs to be cleaned up.
-  * Most of it is for TCP, and not used by any of
-@@ -655,6 +661,9 @@
- #if defined(CONFIG_SPX) || defined (CONFIG_SPX_MODULE)
- 		struct spx_opt		af_spx;
- #endif /* CONFIG_SPX */
-+#if 1
-+		struct udp_opt          af_udp;
-+#endif
- 
- 	} tp_pinfo;
- 
---- linux/net/Config.in.orig	Fri Feb  9 14:34:13 2001
-+++ linux/net/Config.in	Thu Feb 22 19:40:08 2001
-@@ -88,3 +88,5 @@
- endmenu
- 
-+bool 'IPSEC NAT-Traversal' CONFIG_IPSEC_NAT_TRAVERSAL
-+
- endmenu
---- linux/net/ipv4/udp.c.1	Wed Jan 28 15:57:05 2004
-+++ linux/net/ipv4/udp.c	Wed Jan 28 15:58:56 2004
-@@ -787,6 +787,9 @@
- 
- static int udp_queue_rcv_skb(struct sock * sk, struct sk_buff *skb)
- {
-+#ifdef CONFIG_IPSEC_NAT_TRAVERSAL
-+	struct udp_opt *tp =  &(sk->tp_pinfo.af_udp);
-+#endif
- 	/*
- 	 *	Charge it to the socket, dropping if the queue is full.
- 	 */
-@@ -804,6 +807,40 @@
- 	}
- #endif
- 
-+#ifdef CONFIG_IPSEC_NAT_TRAVERSAL
-+	if (tp->esp_in_udp) {
-+		/*
-+		 * Set skb->sk and xmit packet to ipsec_rcv.
-+		 *
-+		 * If ret != 0, ipsec_rcv refused the packet (not ESPinUDP),
-+		 * restore skb->sk and fall back to sock_queue_rcv_skb
-+		 */
-+		struct inet_protocol *esp = NULL;
-+
-+#if defined(CONFIG_KLIPS) && !defined(CONFIG_KLIPS_MODULE)
-+               /* optomize only when we know it is statically linked */
-+		extern struct inet_protocol esp_protocol;
-+		esp = &esp_protocol;
-+#else
-+		for (esp = (struct inet_protocol *)inet_protos[IPPROTO_ESP & (MAX_INET_PROTOS - 1)];
-+			(esp) && (esp->protocol != IPPROTO_ESP);
-+			esp = esp->next);
-+#endif
-+
-+		if (esp && esp->handler) {
-+			struct sock *sav_sk = skb->sk;
-+			skb->sk = sk;
-+			if (esp->handler(skb) == 0) {
-+				skb->sk = sav_sk;
-+				/*not sure we might count ESPinUDP as UDP...*/
-+				UDP_INC_STATS_BH(UdpInDatagrams);
-+				return 0;
-+			}
-+			skb->sk = sav_sk;
-+		}
-+	}
-+#endif
-+
- 	if (sock_queue_rcv_skb(sk,skb)<0) {
- 		UDP_INC_STATS_BH(UdpInErrors);
- 		IP_INC_STATS_BH(IpInDiscards);
-@@ -1027,13 +1064,49 @@
- 	return len;
- }
- 
-+static int udp_setsockopt(struct sock *sk, int level, int optname,
-+	char *optval, int optlen)
-+{
-+	struct udp_opt *tp = &(sk->tp_pinfo.af_udp);
-+	int val;
-+	int err = 0;
-+
-+	if (level != SOL_UDP)
-+		return ip_setsockopt(sk, level, optname, optval, optlen);
-+
-+	if(optlen<sizeof(int))
-+		return -EINVAL;
-+
-+	if (get_user(val, (int *)optval))
-+		return -EFAULT;
-+	
-+	lock_sock(sk);
-+
-+	switch(optname) {
-+#ifdef CONFIG_IPSEC_NAT_TRAVERSAL
-+#ifndef UDP_ESPINUDP
-+#define UDP_ESPINUDP 100
-+#endif
-+		case UDP_ESPINUDP:
-+			tp->esp_in_udp = val;
-+			break;
-+#endif
-+		default:
-+			err = -ENOPROTOOPT;
-+			break;
-+	}
-+
-+	release_sock(sk);
-+	return err;
-+}
-+
- struct proto udp_prot = {
-  	name:		"UDP",
- 	close:		udp_close,
- 	connect:	udp_connect,
- 	disconnect:	udp_disconnect,
- 	ioctl:		udp_ioctl,
--	setsockopt:	ip_setsockopt,
-+	setsockopt:	udp_setsockopt,
- 	getsockopt:	ip_getsockopt,
- 	sendmsg:	udp_sendmsg,
- 	recvmsg:	udp_recvmsg,