3 files changed, 45 insertions, 1 deletions

diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index d1580c17cab3..2296d8b1931f 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -158,6 +158,7 @@ header-y += icmpv6.h
 header-y += if.h
 header-y += if_addr.h
 header-y += if_addrlabel.h
+header-y += if_alg.h
 header-y += if_arcnet.h
 header-y += if_arp.h
 header-y += if_bonding.h
diff --git a/include/linux/if_alg.h b/include/linux/if_alg.h
new file mode 100644
index 000000000000..0f9acce5b1ff
--- /dev/null
+++ b/include/linux/if_alg.h
@@ -0,0 +1,40 @@
+/*
+ * if_alg: User-space algorithm interface
+ *
+ * Copyright (c) 2010 Herbert Xu <herbert@gondor.apana.org.au>
+ *
+ * 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 the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ */
+
+#ifndef _LINUX_IF_ALG_H
+#define _LINUX_IF_ALG_H
+
+#include <linux/types.h>
+
+struct sockaddr_alg {
+        __u16   salg_family;
+        __u8    salg_type[14];
+        __u32   salg_feat;
+        __u32   salg_mask;
+        __u8    salg_name[64];
+};
+
+struct af_alg_iv {
+        __u32   ivlen;
+        __u8    iv[0];
+};
+
+/* Socket options */
+#define ALG_SET_KEY                     1
+#define ALG_SET_IV                      2
+#define ALG_SET_OP                      3
+
+/* Operations */
+#define ALG_OP_DECRYPT                  0
+#define ALG_OP_ENCRYPT                  1
+
+#endif  /* _LINUX_IF_ALG_H */
diff --git a/include/linux/socket.h b/include/linux/socket.h
index 5f65f14c4f44..edbb1d07ddf4 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -191,7 +191,8 @@ struct ucred {
 #define AF_PHONET       35      /* Phonet sockets               */
 #define AF_IEEE802154   36      /* IEEE802154 sockets           */
 #define AF_CAIF         37      /* CAIF sockets                 */
-#define AF_MAX          38      /* For now.. */
+#define AF_ALG          38      /* Algorithm sockets            */
+#define AF_MAX          39      /* For now.. */
 
 /* Protocol families, same as address families. */
 #define PF_UNSPEC       AF_UNSPEC
@@ -232,6 +233,7 @@ struct ucred {
 #define PF_PHONET       AF_PHONET
 #define PF_IEEE802154   AF_IEEE802154
 #define PF_CAIF         AF_CAIF
+#define PF_ALG          AF_ALG
 #define PF_MAX          AF_MAX
 
 /* Maximum queue length specifiable by listen.  */
@@ -305,6 +307,7 @@ struct ucred {
 #define SOL_RDS         276
 #define SOL_IUCV        277
 #define SOL_CAIF        278
+#define SOL_ALG         279
 
 /* IPX options */
 #define IPX_TYPE        1