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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 21:25:58 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 21:25:58 +0300
commit27d189c02ba25851973c8582e419c0bded9f7e5b (patch)
treebe142d664bc4e3cec7ab2878a243343f46e897ee /include
parenta1703154200c390ab03c10224c586e815d3e31e8 (diff)
parent55db8387a5e8d07407f0b7c6b2526417a2bc6243 (diff)
downloadlinux-27d189c02ba25851973c8582e419c0bded9f7e5b.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (46 commits) hwrng: via_rng - Fix memory scribbling on some CPUs crypto: padlock - Move padlock.h into include/crypto hwrng: via_rng - Fix asm constraints crypto: n2 - use __devexit not __exit in n2_unregister_algs crypto: mark crypto workqueues CPU_INTENSIVE crypto: mv_cesa - dont return PTR_ERR() of wrong pointer crypto: ripemd - Set module author and update email address crypto: omap-sham - backlog handling fix crypto: gf128mul - Remove experimental tag crypto: af_alg - fix af_alg memory_allocated data type crypto: aesni-intel - Fixed build with binutils 2.16 crypto: af_alg - Make sure sk_security is initialized on accept()ed sockets net: Add missing lockdep class names for af_alg include: Install linux/if_alg.h for user-space crypto API crypto: omap-aes - checkpatch --file warning fixes crypto: omap-aes - initialize aes module once per request crypto: omap-aes - unnecessary code removed crypto: omap-aes - error handling implementation improved crypto: omap-aes - redundant locking is removed crypto: omap-aes - DMA initialization fixes for OMAP off mode ...
Diffstat (limited to 'include')
-rw-r--r--include/crypto/if_alg.h92
-rw-r--r--include/crypto/padlock.h29
-rw-r--r--include/crypto/scatterwalk.h15
-rw-r--r--include/linux/Kbuild1
-rw-r--r--include/linux/if_alg.h40
-rw-r--r--include/linux/socket.h5
6 files changed, 181 insertions, 1 deletions
diff --git a/include/crypto/if_alg.h b/include/crypto/if_alg.h
new file mode 100644
index 000000000000..c5813c87de06
--- /dev/null
+++ b/include/crypto/if_alg.h
@@ -0,0 +1,92 @@
+/*
+ * 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 _CRYPTO_IF_ALG_H
+#define _CRYPTO_IF_ALG_H
+
+#include <linux/compiler.h>
+#include <linux/completion.h>
+#include <linux/if_alg.h>
+#include <linux/types.h>
+#include <net/sock.h>
+
+#define ALG_MAX_PAGES 16
+
+struct crypto_async_request;
+
+struct alg_sock {
+ /* struct sock must be the first member of struct alg_sock */
+ struct sock sk;
+
+ struct sock *parent;
+
+ const struct af_alg_type *type;
+ void *private;
+};
+
+struct af_alg_completion {
+ struct completion completion;
+ int err;
+};
+
+struct af_alg_control {
+ struct af_alg_iv *iv;
+ int op;
+};
+
+struct af_alg_type {
+ void *(*bind)(const char *name, u32 type, u32 mask);
+ void (*release)(void *private);
+ int (*setkey)(void *private, const u8 *key, unsigned int keylen);
+ int (*accept)(void *private, struct sock *sk);
+
+ struct proto_ops *ops;
+ struct module *owner;
+ char name[14];
+};
+
+struct af_alg_sgl {
+ struct scatterlist sg[ALG_MAX_PAGES];
+ struct page *pages[ALG_MAX_PAGES];
+};
+
+int af_alg_register_type(const struct af_alg_type *type);
+int af_alg_unregister_type(const struct af_alg_type *type);
+
+int af_alg_release(struct socket *sock);
+int af_alg_accept(struct sock *sk, struct socket *newsock);
+
+int af_alg_make_sg(struct af_alg_sgl *sgl, void __user *addr, int len,
+ int write);
+void af_alg_free_sg(struct af_alg_sgl *sgl);
+
+int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con);
+
+int af_alg_wait_for_completion(int err, struct af_alg_completion *completion);
+void af_alg_complete(struct crypto_async_request *req, int err);
+
+static inline struct alg_sock *alg_sk(struct sock *sk)
+{
+ return (struct alg_sock *)sk;
+}
+
+static inline void af_alg_release_parent(struct sock *sk)
+{
+ sock_put(alg_sk(sk)->parent);
+}
+
+static inline void af_alg_init_completion(struct af_alg_completion *completion)
+{
+ init_completion(&completion->completion);
+}
+
+#endif /* _CRYPTO_IF_ALG_H */
diff --git a/include/crypto/padlock.h b/include/crypto/padlock.h
new file mode 100644
index 000000000000..d2cfa2ef49e8
--- /dev/null
+++ b/include/crypto/padlock.h
@@ -0,0 +1,29 @@
+/*
+ * Driver for VIA PadLock
+ *
+ * Copyright (c) 2004 Michal Ludvig <michal@logix.cz>
+ *
+ * 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 _CRYPTO_PADLOCK_H
+#define _CRYPTO_PADLOCK_H
+
+#define PADLOCK_ALIGNMENT 16
+
+#define PFX KBUILD_MODNAME ": "
+
+#define PADLOCK_CRA_PRIORITY 300
+#define PADLOCK_COMPOSITE_PRIORITY 400
+
+#ifdef CONFIG_64BIT
+#define STACK_ALIGN 16
+#else
+#define STACK_ALIGN 4
+#endif
+
+#endif /* _CRYPTO_PADLOCK_H */
diff --git a/include/crypto/scatterwalk.h b/include/crypto/scatterwalk.h
index 833d208c25d6..4fd95a323beb 100644
--- a/include/crypto/scatterwalk.h
+++ b/include/crypto/scatterwalk.h
@@ -68,6 +68,21 @@ static inline struct scatterlist *scatterwalk_sg_next(struct scatterlist *sg)
return (++sg)->length ? sg : (void *)sg_page(sg);
}
+static inline void scatterwalk_crypto_chain(struct scatterlist *head,
+ struct scatterlist *sg,
+ int chain, int num)
+{
+ if (chain) {
+ head->length += sg->length;
+ sg = scatterwalk_sg_next(sg);
+ }
+
+ if (sg)
+ scatterwalk_sg_chain(head, num, sg);
+ else
+ sg_mark_end(head);
+}
+
static inline unsigned long scatterwalk_samebuf(struct scatter_walk *walk_in,
struct scatter_walk *walk_out)
{
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