remove 2.6.21 patches and config, too

SVN-Revision: 19579

1 files changed, 0 insertions, 166 deletions

diff --git a/target/linux/generic-2.6/patches-2.6.21/120-openswan-2.4.0.kernel-2.6-natt.patch b/target/linux/generic-2.6/patches-2.6.21/120-openswan-2.4.0.kernel-2.6-natt.patch
deleted file mode 100644
index 73d87c2f8e..0000000000
--- a/target/linux/generic-2.6/patches-2.6.21/120-openswan-2.4.0.kernel-2.6-natt.patch
+++ /dev/null
@@ -1,166 +0,0 @@
---- /dev/null
-+++ b/include/net/xfrmudp.h
-@@ -0,0 +1,10 @@
-+/*
-+ * pointer to function for type that xfrm4_input wants, to permit
-+ * decoupling of XFRM from udp.c
-+ */
-+#define HAVE_XFRM4_UDP_REGISTER
-+
-+typedef int (*xfrm4_rcv_encap_t)(struct sk_buff *skb, __u16 encap_type);
-+extern int udp4_register_esp_rcvencap(xfrm4_rcv_encap_t func
-+				      , xfrm4_rcv_encap_t *oldfunc);
-+extern int udp4_unregister_esp_rcvencap(xfrm4_rcv_encap_t func);
---- a/net/ipv4/Kconfig
-+++ b/net/ipv4/Kconfig
-@@ -266,6 +266,12 @@ config NET_IPGRE_BROADCAST
- 	  Network), but can be distributed all over the Internet. If you want
- 	  to do that, say Y here and to "IP multicast routing" below.
- 
-+config IPSEC_NAT_TRAVERSAL
-+	bool "IPSEC NAT-Traversal (KLIPS compatible)"
-+	depends on INET
-+	---help---
-+          Includes support for RFC3947/RFC3948 NAT-Traversal of ESP over UDP.
-+
- config IP_MROUTE
- 	bool "IP: multicast routing"
- 	depends on IP_MULTICAST
---- a/net/ipv4/udp.c
-+++ b/net/ipv4/udp.c
-@@ -101,12 +101,15 @@
- #include <net/route.h>
- #include <net/checksum.h>
- #include <net/xfrm.h>
-+#include <net/xfrmudp.h>
- #include "udp_impl.h"
- 
- /*
-  *	Snmp MIB for the UDP layer
-  */
- 
-+static xfrm4_rcv_encap_t xfrm4_rcv_encap_func;
-+
- DEFINE_SNMP_STAT(struct udp_mib, udp_statistics) __read_mostly;
- 
- struct hlist_head udp_hash[UDP_HTABLE_SIZE];
-@@ -915,6 +918,42 @@ int udp_disconnect(struct sock *sk, int 
- 	return 0;
- }
- 
-+#if defined(CONFIG_XFRM) || defined(CONFIG_IPSEC_NAT_TRAVERSAL)
-+
-+/* if XFRM isn't a module, then register it directly. */
-+#if 0 && !defined(CONFIG_XFRM_MODULE) && !defined(CONFIG_IPSEC_NAT_TRAVERSAL)
-+static xfrm4_rcv_encap_t xfrm4_rcv_encap_func = xfrm4_rcv_encap;
-+#else
-+static xfrm4_rcv_encap_t xfrm4_rcv_encap_func = NULL;
-+#endif
-+
-+int udp4_register_esp_rcvencap(xfrm4_rcv_encap_t func
-+			       , xfrm4_rcv_encap_t *oldfunc)
-+{
-+  if(oldfunc != NULL) {
-+    *oldfunc = xfrm4_rcv_encap_func;
-+  }
-+
-+#if 0
-+  if(xfrm4_rcv_encap_func != NULL)
-+    return -1;
-+#endif
-+
-+  xfrm4_rcv_encap_func = func;
-+  return 0;
-+}
-+
-+int udp4_unregister_esp_rcvencap(xfrm4_rcv_encap_t func)
-+{
-+  if(xfrm4_rcv_encap_func != func)
-+    return -1;
-+
-+  xfrm4_rcv_encap_func = NULL;
-+  return 0;
-+}
-+#endif /* CONFIG_XFRM_MODULE || CONFIG_IPSEC_NAT_TRAVERSAL */
-+
-+
- /* return:
-  * 	1  if the the UDP system should process it
-  *	0  if we should drop this packet
-@@ -922,7 +961,7 @@ int udp_disconnect(struct sock *sk, int 
-  */
- static int udp_encap_rcv(struct sock * sk, struct sk_buff *skb)
- {
--#ifndef CONFIG_XFRM
-+#if !defined(CONFIG_XFRM) && !defined(CONFIG_IPSEC_NAT_TRAVERSAL)
- 	return 1;
- #else
- 	struct udp_sock *up = udp_sk(sk);
-@@ -937,11 +976,11 @@ static int udp_encap_rcv(struct sock * s
- 	/* if we're overly short, let UDP handle it */
- 	len = skb->len - sizeof(struct udphdr);
- 	if (len <= 0)
--		return 1;
-+		return 2;
- 
- 	/* if this is not encapsulated socket, then just return now */
- 	if (!encap_type)
--		return 1;
-+		return 3;
- 
- 	/* If this is a paged skb, make sure we pull up
- 	 * whatever data we need to look at. */
-@@ -964,7 +1003,7 @@ static int udp_encap_rcv(struct sock * s
- 			len = sizeof(struct udphdr);
- 		} else
- 			/* Must be an IKE packet.. pass it through */
--			return 1;
-+			return 4;
- 		break;
- 	case UDP_ENCAP_ESPINUDP_NON_IKE:
- 		/* Check if this is a keepalive packet.  If so, eat it. */
-@@ -977,7 +1016,7 @@ static int udp_encap_rcv(struct sock * s
- 			len = sizeof(struct udphdr) + 2 * sizeof(u32);
- 		} else
- 			/* Must be an IKE packet.. pass it through */
--			return 1;
-+			return 5;
- 		break;
- 	}
- 
-@@ -988,6 +1027,8 @@ static int udp_encap_rcv(struct sock * s
- 	 */
- 	if (skb_cloned(skb) && pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
- 		return 0;
-+	if (skb_cloned(skb) && pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
-+		return 0;
- 
- 	/* Now we can update and verify the packet length... */
- 	iph = skb->nh.iph;
-@@ -1051,9 +1092,13 @@ int udp_queue_rcv_skb(struct sock * sk, 
- 			return 0;
- 		}
- 		if (ret < 0) {
--			/* process the ESP packet */
--			ret = xfrm4_rcv_encap(skb, up->encap_type);
--			UDP_INC_STATS_BH(UDP_MIB_INDATAGRAMS, up->pcflag);
-+			if(xfrm4_rcv_encap_func != NULL) {
-+			  ret = (*xfrm4_rcv_encap_func)(skb, up->encap_type);
-+			  UDP_INC_STATS_BH(UDP_MIB_INDATAGRAMS, up->pcflag);
-+			} else {
-+			  UDP_INC_STATS_BH(UDP_MIB_INERRORS, up->pcflag);
-+			  ret = 1;
-+			}
- 			return -ret;
- 		}
- 		/* FALLTHROUGH -- it's a UDP Packet */
-@@ -1733,3 +1778,9 @@ EXPORT_SYMBOL(udp_poll);
- EXPORT_SYMBOL(udp_proc_register);
- EXPORT_SYMBOL(udp_proc_unregister);
- #endif
-+
-+#if defined(CONFIG_IPSEC_NAT_TRAVERSAL)
-+EXPORT_SYMBOL(udp4_register_esp_rcvencap);
-+EXPORT_SYMBOL(udp4_unregister_esp_rcvencap);
-+#endif
-+