4 files changed, 147 insertions, 2 deletions
diff --git a/src/include/Makefile.am b/src/include/Makefile.am
index 6aeb84bae..9edad1141 100644
--- a/src/include/Makefile.am
+++ b/src/include/Makefile.am
@@ -1,3 +1,3 @@
 EXTRA_DIST = linux/ipsec.h linux/netlink.h linux/rtnetlink.h \
              linux/pfkeyv2.h linux/udp.h linux/xfrm.h linux/types.h \
-             sys/queue.h
+             linux/jhash.h sys/queue.h
diff --git a/src/include/Makefile.in b/src/include/Makefile.in
index 762b32649..720ba3a11 100644
--- a/src/include/Makefile.in
+++ b/src/include/Makefile.in
@@ -172,6 +172,7 @@ ipsecuid = @ipsecuid@
 ipsecuser = @ipsecuser@
 libdir = @libdir@
 libexecdir = @libexecdir@
+libhydra_plugins = @libhydra_plugins@
 libstrongswan_plugins = @libstrongswan_plugins@
 linux_headers = @linux_headers@
 localedir = @localedir@
@@ -208,7 +209,7 @@ xml_CFLAGS = @xml_CFLAGS@
 xml_LIBS = @xml_LIBS@
 EXTRA_DIST = linux/ipsec.h linux/netlink.h linux/rtnetlink.h \
              linux/pfkeyv2.h linux/udp.h linux/xfrm.h linux/types.h \
-             sys/queue.h
+             linux/jhash.h sys/queue.h
 
 all: all-am
 
diff --git a/src/include/linux/jhash.h b/src/include/linux/jhash.h
new file mode 100644
index 000000000..2a2f99fbc
--- /dev/null
+++ b/src/include/linux/jhash.h
@@ -0,0 +1,143 @@
+#ifndef _LINUX_JHASH_H
+#define _LINUX_JHASH_H
+
+/* jhash.h: Jenkins hash support.
+ *
+ * Copyright (C) 1996 Bob Jenkins (bob_jenkins@burtleburtle.net)
+ *
+ * http://burtleburtle.net/bob/hash/
+ *
+ * These are the credits from Bob's sources:
+ *
+ * lookup2.c, by Bob Jenkins, December 1996, Public Domain.
+ * hash(), hash2(), hash3, and mix() are externally useful functions.
+ * Routines to test the hash are included if SELF_TEST is defined.
+ * You can use this free for any purpose.  It has no warranty.
+ *
+ * Copyright (C) 2003 David S. Miller (davem@redhat.com)
+ *
+ * I've modified Bob's hash to be useful in the Linux kernel, and
+ * any bugs present are surely my fault.  -DaveM
+ */
+
+/* NOTE: Arguments are modified. */
+#define __jhash_mix(a, b, c) \
+{ \
+  a -= b; a -= c; a ^= (c>>13); \
+  b -= c; b -= a; b ^= (a<<8); \
+  c -= a; c -= b; c ^= (b>>13); \
+  a -= b; a -= c; a ^= (c>>12);  \
+  b -= c; b -= a; b ^= (a<<16); \
+  c -= a; c -= b; c ^= (b>>5); \
+  a -= b; a -= c; a ^= (c>>3);  \
+  b -= c; b -= a; b ^= (a<<10); \
+  c -= a; c -= b; c ^= (b>>15); \
+}
+
+/* The golden ration: an arbitrary value */
+#define JHASH_GOLDEN_RATIO	0x9e3779b9
+
+/* The most generic version, hashes an arbitrary sequence
+ * of bytes.  No alignment or length assumptions are made about
+ * the input key.
+ */
+static inline u32 jhash(const void *key, u32 length, u32 initval)
+{
+	u32 a, b, c, len;
+	const u8 *k = key;
+
+	len = length;
+	a = b = JHASH_GOLDEN_RATIO;
+	c = initval;
+
+	while (len >= 12) {
+		a += (k[0] +((u32)k[1]<<8) +((u32)k[2]<<16) +((u32)k[3]<<24));
+		b += (k[4] +((u32)k[5]<<8) +((u32)k[6]<<16) +((u32)k[7]<<24));
+		c += (k[8] +((u32)k[9]<<8) +((u32)k[10]<<16)+((u32)k[11]<<24));
+
+		__jhash_mix(a,b,c);
+
+		k += 12;
+		len -= 12;
+	}
+
+	c += length;
+	switch (len) {
+	case 11: c += ((u32)k[10]<<24);
+	case 10: c += ((u32)k[9]<<16);
+	case 9 : c += ((u32)k[8]<<8);
+	case 8 : b += ((u32)k[7]<<24);
+	case 7 : b += ((u32)k[6]<<16);
+	case 6 : b += ((u32)k[5]<<8);
+	case 5 : b += k[4];
+	case 4 : a += ((u32)k[3]<<24);
+	case 3 : a += ((u32)k[2]<<16);
+	case 2 : a += ((u32)k[1]<<8);
+	case 1 : a += k[0];
+	};
+
+	__jhash_mix(a,b,c);
+
+	return c;
+}
+
+/* A special optimized version that handles 1 or more of u32s.
+ * The length parameter here is the number of u32s in the key.
+ */
+static inline u32 jhash2(const u32 *k, u32 length, u32 initval)
+{
+	u32 a, b, c, len;
+
+	a = b = JHASH_GOLDEN_RATIO;
+	c = initval;
+	len = length;
+
+	while (len >= 3) {
+		a += k[0];
+		b += k[1];
+		c += k[2];
+		__jhash_mix(a, b, c);
+		k += 3; len -= 3;
+	}
+
+	c += length * 4;
+
+	switch (len) {
+	case 2 : b += k[1];
+	case 1 : a += k[0];
+	};
+
+	__jhash_mix(a,b,c);
+
+	return c;
+}
+
+
+/* A special ultra-optimized versions that knows they are hashing exactly
+ * 3, 2 or 1 word(s).
+ *
+ * NOTE: In partilar the "c += length; __jhash_mix(a,b,c);" normally
+ *       done at the end is not done here.
+ */
+static inline u32 jhash_3words(u32 a, u32 b, u32 c, u32 initval)
+{
+	a += JHASH_GOLDEN_RATIO;
+	b += JHASH_GOLDEN_RATIO;
+	c += initval;
+
+	__jhash_mix(a, b, c);
+
+	return c;
+}
+
+static inline u32 jhash_2words(u32 a, u32 b, u32 initval)
+{
+	return jhash_3words(a, b, 0, initval);
+}
+
+static inline u32 jhash_1word(u32 a, u32 initval)
+{
+	return jhash_3words(a, 0, 0, initval);
+}
+
+#endif /* _LINUX_JHASH_H */
diff --git a/src/include/linux/pfkeyv2.h b/src/include/linux/pfkeyv2.h
index b4b0712a4..7379d1a94 100644
--- a/src/include/linux/pfkeyv2.h
+++ b/src/include/linux/pfkeyv2.h
@@ -315,6 +315,7 @@ struct sadb_x_kmaddress {
 #define SADB_X_EALG_AES_GCM_ICV12	19
 #define SADB_X_EALG_AES_GCM_ICV16	20
 #define SADB_X_EALG_CAMELLIACBC		22
+#define SADB_X_EALG_NULL_AES_GMAC	23
 #define SADB_EALG_MAX                   253 /* last EALG */
 /* private allocations should use 249-255 (RFC2407) */
 #define SADB_X_EALG_SERPENTCBC  252     /* draft-ietf-ipsec-ciph-aes-cbc-00 */