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authorblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-10-05 10:12:53 +0000
committerblogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>2012-10-05 10:12:53 +0000
commit5c105d9f3fd086aff195d3849dcf847d6b0bd927 (patch)
tree1229a11f725bfa58aa7c57a76898553bb5f6654a /target/linux/generic/files/crypto/ocf/cryptocteon
downloadopenwrt-5c105d9f3fd086aff195d3849dcf847d6b0bd927.tar.gz
openwrt-5c105d9f3fd086aff195d3849dcf847d6b0bd927.zip
branch Attitude Adjustment
git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@33625 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/files/crypto/ocf/cryptocteon')
-rw-r--r--target/linux/generic/files/crypto/ocf/cryptocteon/Makefile17
-rw-r--r--target/linux/generic/files/crypto/ocf/cryptocteon/README.txt11
-rw-r--r--target/linux/generic/files/crypto/ocf/cryptocteon/cavium_crypto.c2283
-rw-r--r--target/linux/generic/files/crypto/ocf/cryptocteon/cryptocteon.c576
4 files changed, 2887 insertions, 0 deletions
diff --git a/target/linux/generic/files/crypto/ocf/cryptocteon/Makefile b/target/linux/generic/files/crypto/ocf/cryptocteon/Makefile
new file mode 100644
index 000000000..eeed0d641
--- /dev/null
+++ b/target/linux/generic/files/crypto/ocf/cryptocteon/Makefile
@@ -0,0 +1,17 @@
+# for SGlinux builds
+-include $(ROOTDIR)/modules/.config
+
+obj-$(CONFIG_OCF_CRYPTOCTEON) += cryptocteon.o
+
+obj ?= .
+EXTRA_CFLAGS += -I$(obj)/.. -I$(obj)/
+
+ifdef CONFIG_OCF_CRYPTOCTEON
+# you need the cavium crypto component installed
+EXTRA_CFLAGS += -I$(ROOTDIR)/prop/include
+endif
+
+ifdef TOPDIR
+-include $(TOPDIR)/Rules.make
+endif
+
diff --git a/target/linux/generic/files/crypto/ocf/cryptocteon/README.txt b/target/linux/generic/files/crypto/ocf/cryptocteon/README.txt
new file mode 100644
index 000000000..807b2e518
--- /dev/null
+++ b/target/linux/generic/files/crypto/ocf/cryptocteon/README.txt
@@ -0,0 +1,11 @@
+
+You will need the CRYPTO package installed to build this driver, and
+potentially the ADK.
+
+cavium_crypto sourced from:
+
+ adk/components/source/cavium_ipsec_kame/cavium_ipsec.c
+
+and significantly modified to suit use with OCF. All original
+copyright/ownership headers retained.
+
diff --git a/target/linux/generic/files/crypto/ocf/cryptocteon/cavium_crypto.c b/target/linux/generic/files/crypto/ocf/cryptocteon/cavium_crypto.c
new file mode 100644
index 000000000..ceaf77c5c
--- /dev/null
+++ b/target/linux/generic/files/crypto/ocf/cryptocteon/cavium_crypto.c
@@ -0,0 +1,2283 @@
+/*
+ * Copyright (c) 2009 David McCullough <david.mccullough@securecomputing.com>
+ *
+ * Copyright (c) 2003-2007 Cavium Networks (support@cavium.com). All rights
+ * reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Cavium Networks
+ * 4. Cavium Networks' name may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * This Software, including technical data, may be subject to U.S. export
+ * control laws, including the U.S. Export Administration Act and its
+ * associated regulations, and may be subject to export or import regulations
+ * in other countries. You warrant that You will comply strictly in all
+ * respects with all such regulations and acknowledge that you have the
+ * responsibility to obtain licenses to export, re-export or import the
+ * Software.
+ *
+ * TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" AND
+ * WITH ALL FAULTS AND CAVIUM MAKES NO PROMISES, REPRESENTATIONS OR WARRANTIES,
+ * EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH RESPECT TO THE
+ * SOFTWARE, INCLUDING ITS CONDITION, ITS CONFORMITY TO ANY REPRESENTATION OR
+ * DESCRIPTION, OR THE EXISTENCE OF ANY LATENT OR PATENT DEFECTS, AND CAVIUM
+ * SPECIFICALLY DISCLAIMS ALL IMPLIED (IF ANY) WARRANTIES OF TITLE,
+ * MERCHANTABILITY, NONINFRINGEMENT, FITNESS FOR A PARTICULAR PURPOSE, LACK OF
+ * VIRUSES, ACCURACY OR COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR
+ * CORRESPONDENCE TO DESCRIPTION. THE ENTIRE RISK ARISING OUT OF USE OR
+ * PERFORMANCE OF THE SOFTWARE LIES WITH YOU.
+*/
+/****************************************************************************/
+
+#include <linux/scatterlist.h>
+#include <asm/octeon/octeon.h>
+#include "octeon-asm.h"
+
+/****************************************************************************/
+
+extern unsigned long octeon_crypto_enable(struct octeon_cop2_state *);
+extern void octeon_crypto_disable(struct octeon_cop2_state *, unsigned long);
+
+#define SG_INIT(s, p, i, l) \
+ { \
+ (i) = 0; \
+ (l) = (s)[0].length; \
+ (p) = (typeof(p)) sg_virt((s)); \
+ CVMX_PREFETCH0((p)); \
+ }
+
+#define SG_CONSUME(s, p, i, l) \
+ { \
+ (p)++; \
+ (l) -= sizeof(*(p)); \
+ if ((l) < 0) { \
+ dprintk("%s, %d: l = %d\n", __FILE__, __LINE__, l); \
+ } else if ((l) == 0) { \
+ (i)++; \
+ (l) = (s)[0].length; \
+ (p) = (typeof(p)) sg_virt(s); \
+ CVMX_PREFETCH0((p)); \
+ } \
+ }
+
+#define ESP_HEADER_LENGTH 8
+#define DES_CBC_IV_LENGTH 8
+#define AES_CBC_IV_LENGTH 16
+#define ESP_HMAC_LEN 12
+
+#define ESP_HEADER_LENGTH 8
+#define DES_CBC_IV_LENGTH 8
+
+/****************************************************************************/
+
+#define CVM_LOAD_SHA_UNIT(dat, next) { \
+ if (next == 0) { \
+ next = 1; \
+ CVMX_MT_HSH_DAT (dat, 0); \
+ } else if (next == 1) { \
+ next = 2; \
+ CVMX_MT_HSH_DAT (dat, 1); \
+ } else if (next == 2) { \
+ next = 3; \
+ CVMX_MT_HSH_DAT (dat, 2); \
+ } else if (next == 3) { \
+ next = 4; \
+ CVMX_MT_HSH_DAT (dat, 3); \
+ } else if (next == 4) { \
+ next = 5; \
+ CVMX_MT_HSH_DAT (dat, 4); \
+ } else if (next == 5) { \
+ next = 6; \
+ CVMX_MT_HSH_DAT (dat, 5); \
+ } else if (next == 6) { \
+ next = 7; \
+ CVMX_MT_HSH_DAT (dat, 6); \
+ } else { \
+ CVMX_MT_HSH_STARTSHA (dat); \
+ next = 0; \
+ } \
+}
+
+#define CVM_LOAD2_SHA_UNIT(dat1, dat2, next) { \
+ if (next == 0) { \
+ CVMX_MT_HSH_DAT (dat1, 0); \
+ CVMX_MT_HSH_DAT (dat2, 1); \
+ next = 2; \
+ } else if (next == 1) { \
+ CVMX_MT_HSH_DAT (dat1, 1); \
+ CVMX_MT_HSH_DAT (dat2, 2); \
+ next = 3; \
+ } else if (next == 2) { \
+ CVMX_MT_HSH_DAT (dat1, 2); \
+ CVMX_MT_HSH_DAT (dat2, 3); \
+ next = 4; \
+ } else if (next == 3) { \
+ CVMX_MT_HSH_DAT (dat1, 3); \
+ CVMX_MT_HSH_DAT (dat2, 4); \
+ next = 5; \
+ } else if (next == 4) { \
+ CVMX_MT_HSH_DAT (dat1, 4); \
+ CVMX_MT_HSH_DAT (dat2, 5); \
+ next = 6; \
+ } else if (next == 5) { \
+ CVMX_MT_HSH_DAT (dat1, 5); \
+ CVMX_MT_HSH_DAT (dat2, 6); \
+ next = 7; \
+ } else if (next == 6) { \
+ CVMX_MT_HSH_DAT (dat1, 6); \
+ CVMX_MT_HSH_STARTSHA (dat2); \
+ next = 0; \
+ } else { \
+ CVMX_MT_HSH_STARTSHA (dat1); \
+ CVMX_MT_HSH_DAT (dat2, 0); \
+ next = 1; \
+ } \
+}
+
+/****************************************************************************/
+
+#define CVM_LOAD_MD5_UNIT(dat, next) { \
+ if (next == 0) { \
+ next = 1; \
+ CVMX_MT_HSH_DAT (dat, 0); \
+ } else if (next == 1) { \
+ next = 2; \
+ CVMX_MT_HSH_DAT (dat, 1); \
+ } else if (next == 2) { \
+ next = 3; \
+ CVMX_MT_HSH_DAT (dat, 2); \
+ } else if (next == 3) { \
+ next = 4; \
+ CVMX_MT_HSH_DAT (dat, 3); \
+ } else if (next == 4) { \
+ next = 5; \
+ CVMX_MT_HSH_DAT (dat, 4); \
+ } else if (next == 5) { \
+ next = 6; \
+ CVMX_MT_HSH_DAT (dat, 5); \
+ } else if (next == 6) { \
+ next = 7; \
+ CVMX_MT_HSH_DAT (dat, 6); \
+ } else { \
+ CVMX_MT_HSH_STARTMD5 (dat); \
+ next = 0; \
+ } \
+}
+
+#define CVM_LOAD2_MD5_UNIT(dat1, dat2, next) { \
+ if (next == 0) { \
+ CVMX_MT_HSH_DAT (dat1, 0); \
+ CVMX_MT_HSH_DAT (dat2, 1); \
+ next = 2; \
+ } else if (next == 1) { \
+ CVMX_MT_HSH_DAT (dat1, 1); \
+ CVMX_MT_HSH_DAT (dat2, 2); \
+ next = 3; \
+ } else if (next == 2) { \
+ CVMX_MT_HSH_DAT (dat1, 2); \
+ CVMX_MT_HSH_DAT (dat2, 3); \
+ next = 4; \
+ } else if (next == 3) { \
+ CVMX_MT_HSH_DAT (dat1, 3); \
+ CVMX_MT_HSH_DAT (dat2, 4); \
+ next = 5; \
+ } else if (next == 4) { \
+ CVMX_MT_HSH_DAT (dat1, 4); \
+ CVMX_MT_HSH_DAT (dat2, 5); \
+ next = 6; \
+ } else if (next == 5) { \
+ CVMX_MT_HSH_DAT (dat1, 5); \
+ CVMX_MT_HSH_DAT (dat2, 6); \
+ next = 7; \
+ } else if (next == 6) { \
+ CVMX_MT_HSH_DAT (dat1, 6); \
+ CVMX_MT_HSH_STARTMD5 (dat2); \
+ next = 0; \
+ } else { \
+ CVMX_MT_HSH_STARTMD5 (dat1); \
+ CVMX_MT_HSH_DAT (dat2, 0); \
+ next = 1; \
+ } \
+}
+
+/****************************************************************************/
+
+static inline uint64_t
+swap64(uint64_t a)
+{
+ return ((a >> 56) |
+ (((a >> 48) & 0xfful) << 8) |
+ (((a >> 40) & 0xfful) << 16) |
+ (((a >> 32) & 0xfful) << 24) |
+ (((a >> 24) & 0xfful) << 32) |
+ (((a >> 16) & 0xfful) << 40) |
+ (((a >> 8) & 0xfful) << 48) | (((a >> 0) & 0xfful) << 56));
+}
+
+/****************************************************************************/
+
+void
+octo_calc_hash(__u8 auth, unsigned char *key, uint64_t *inner, uint64_t *outer)
+{
+ uint8_t hash_key[64];
+ uint64_t *key1;
+ register uint64_t xor1 = 0x3636363636363636ULL;
+ register uint64_t xor2 = 0x5c5c5c5c5c5c5c5cULL;
+ struct octeon_cop2_state state;
+ unsigned long flags;
+
+ dprintk("%s()\n", __FUNCTION__);
+
+ memset(hash_key, 0, sizeof(hash_key));
+ memcpy(hash_key, (uint8_t *) key, (auth ? 20 : 16));
+ key1 = (uint64_t *) hash_key;
+ flags = octeon_crypto_enable(&state);
+ if (auth) {
+ CVMX_MT_HSH_IV(0x67452301EFCDAB89ULL, 0);
+ CVMX_MT_HSH_IV(0x98BADCFE10325476ULL, 1);
+ CVMX_MT_HSH_IV(0xC3D2E1F000000000ULL, 2);
+ } else {
+ CVMX_MT_HSH_IV(0x0123456789ABCDEFULL, 0);
+ CVMX_MT_HSH_IV(0xFEDCBA9876543210ULL, 1);
+ }
+
+ CVMX_MT_HSH_DAT((*key1 ^ xor1), 0);
+ key1++;
+ CVMX_MT_HSH_DAT((*key1 ^ xor1), 1);
+ key1++;
+ CVMX_MT_HSH_DAT((*key1 ^ xor1), 2);
+ key1++;
+ CVMX_MT_HSH_DAT((*key1 ^ xor1), 3);
+ key1++;
+ CVMX_MT_HSH_DAT((*key1 ^ xor1), 4);
+ key1++;
+ CVMX_MT_HSH_DAT((*key1 ^ xor1), 5);
+ key1++;
+ CVMX_MT_HSH_DAT((*key1 ^ xor1), 6);
+ key1++;
+ if (auth)
+ CVMX_MT_HSH_STARTSHA((*key1 ^ xor1));
+ else
+ CVMX_MT_HSH_STARTMD5((*key1 ^ xor1));
+
+ CVMX_MF_HSH_IV(inner[0], 0);
+ CVMX_MF_HSH_IV(inner[1], 1);
+ if (auth) {
+ inner[2] = 0;
+ CVMX_MF_HSH_IV(((uint64_t *) inner)[2], 2);
+ }
+
+ memset(hash_key, 0, sizeof(hash_key));
+ memcpy(hash_key, (uint8_t *) key, (auth ? 20 : 16));
+ key1 = (uint64_t *) hash_key;
+ if (auth) {
+ CVMX_MT_HSH_IV(0x67452301EFCDAB89ULL, 0);
+ CVMX_MT_HSH_IV(0x98BADCFE10325476ULL, 1);
+ CVMX_MT_HSH_IV(0xC3D2E1F000000000ULL, 2);
+ } else {
+ CVMX_MT_HSH_IV(0x0123456789ABCDEFULL, 0);
+ CVMX_MT_HSH_IV(0xFEDCBA9876543210ULL, 1);
+ }
+
+ CVMX_MT_HSH_DAT((*key1 ^ xor2), 0);
+ key1++;
+ CVMX_MT_HSH_DAT((*key1 ^ xor2), 1);
+ key1++;
+ CVMX_MT_HSH_DAT((*key1 ^ xor2), 2);
+ key1++;
+ CVMX_MT_HSH_DAT((*key1 ^ xor2), 3);
+ key1++;
+ CVMX_MT_HSH_DAT((*key1 ^ xor2), 4);
+ key1++;
+ CVMX_MT_HSH_DAT((*key1 ^ xor2), 5);
+ key1++;
+ CVMX_MT_HSH_DAT((*key1 ^ xor2), 6);
+ key1++;
+ if (auth)
+ CVMX_MT_HSH_STARTSHA((*key1 ^ xor2));
+ else
+ CVMX_MT_HSH_STARTMD5((*key1 ^ xor2));
+
+ CVMX_MF_HSH_IV(outer[0], 0);
+ CVMX_MF_HSH_IV(outer[1], 1);
+ if (auth) {
+ outer[2] = 0;
+ CVMX_MF_HSH_IV(outer[2], 2);
+ }
+ octeon_crypto_disable(&state, flags);
+ return;
+}
+
+/****************************************************************************/
+/* DES functions */
+
+int
+octo_des_cbc_encrypt(
+ struct octo_sess *od,
+ struct scatterlist *sg, int sg_len,
+ int auth_off, int auth_len,
+ int crypt_off, int crypt_len,
+ int icv_off, uint8_t *ivp)
+{
+ uint64_t *data;
+ int data_i, data_l;
+ struct octeon_cop2_state state;
+ unsigned long flags;
+
+ dprintk("%s()\n", __FUNCTION__);
+
+ if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
+ (crypt_off & 0x7) || (crypt_off + crypt_len > sg_len))) {
+ dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
+ "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
+ "icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
+ auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
+ return -EINVAL;
+ }
+
+ SG_INIT(sg, data, data_i, data_l);
+
+ CVMX_PREFETCH0(ivp);
+ CVMX_PREFETCH0(od->octo_enckey);
+
+ flags = octeon_crypto_enable(&state);
+
+ /* load 3DES Key */
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
+ if (od->octo_encklen == 24) {
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
+ } else if (od->octo_encklen == 8) {
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 1);
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 2);
+ } else {
+ octeon_crypto_disable(&state, flags);
+ dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
+ return -EINVAL;
+ }
+
+ CVMX_MT_3DES_IV(* (uint64_t *) ivp);
+
+ while (crypt_off > 0) {
+ SG_CONSUME(sg, data, data_i, data_l);
+ crypt_off -= 8;
+ }
+
+ while (crypt_len > 0) {
+ CVMX_MT_3DES_ENC_CBC(*data);
+ CVMX_MF_3DES_RESULT(*data);
+ SG_CONSUME(sg, data, data_i, data_l);
+ crypt_len -= 8;
+ }
+
+ octeon_crypto_disable(&state, flags);
+ return 0;
+}
+
+
+int
+octo_des_cbc_decrypt(
+ struct octo_sess *od,
+ struct scatterlist *sg, int sg_len,
+ int auth_off, int auth_len,
+ int crypt_off, int crypt_len,
+ int icv_off, uint8_t *ivp)
+{
+ uint64_t *data;
+ int data_i, data_l;
+ struct octeon_cop2_state state;
+ unsigned long flags;
+
+ dprintk("%s()\n", __FUNCTION__);
+
+ if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
+ (crypt_off & 0x7) || (crypt_off + crypt_len > sg_len))) {
+ dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
+ "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
+ "icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
+ auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
+ return -EINVAL;
+ }
+
+ SG_INIT(sg, data, data_i, data_l);
+
+ CVMX_PREFETCH0(ivp);
+ CVMX_PREFETCH0(od->octo_enckey);
+
+ flags = octeon_crypto_enable(&state);
+
+ /* load 3DES Key */
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
+ if (od->octo_encklen == 24) {
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
+ } else if (od->octo_encklen == 8) {
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 1);
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 2);
+ } else {
+ octeon_crypto_disable(&state, flags);
+ dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
+ return -EINVAL;
+ }
+
+ CVMX_MT_3DES_IV(* (uint64_t *) ivp);
+
+ while (crypt_off > 0) {
+ SG_CONSUME(sg, data, data_i, data_l);
+ crypt_off -= 8;
+ }
+
+ while (crypt_len > 0) {
+ CVMX_MT_3DES_DEC_CBC(*data);
+ CVMX_MF_3DES_RESULT(*data);
+ SG_CONSUME(sg, data, data_i, data_l);
+ crypt_len -= 8;
+ }
+
+ octeon_crypto_disable(&state, flags);
+ return 0;
+}
+
+/****************************************************************************/
+/* AES functions */
+
+int
+octo_aes_cbc_encrypt(
+ struct octo_sess *od,
+ struct scatterlist *sg, int sg_len,
+ int auth_off, int auth_len,
+ int crypt_off, int crypt_len,
+ int icv_off, uint8_t *ivp)
+{
+ uint64_t *data, *pdata;
+ int data_i, data_l;
+ struct octeon_cop2_state state;
+ unsigned long flags;
+
+ dprintk("%s()\n", __FUNCTION__);
+
+ if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
+ (crypt_off & 0x7) || (crypt_off + crypt_len > sg_len))) {
+ dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
+ "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
+ "icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
+ auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
+ return -EINVAL;
+ }
+
+ SG_INIT(sg, data, data_i, data_l);
+
+ CVMX_PREFETCH0(ivp);
+ CVMX_PREFETCH0(od->octo_enckey);
+
+ flags = octeon_crypto_enable(&state);
+
+ /* load AES Key */
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
+
+ if (od->octo_encklen == 16) {
+ CVMX_MT_AES_KEY(0x0, 2);
+ CVMX_MT_AES_KEY(0x0, 3);
+ } else if (od->octo_encklen == 24) {
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
+ CVMX_MT_AES_KEY(0x0, 3);
+ } else if (od->octo_encklen == 32) {
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[3], 3);
+ } else {
+ octeon_crypto_disable(&state, flags);
+ dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
+ return -EINVAL;
+ }
+ CVMX_MT_AES_KEYLENGTH(od->octo_encklen / 8 - 1);
+
+ CVMX_MT_AES_IV(((uint64_t *) ivp)[0], 0);
+ CVMX_MT_AES_IV(((uint64_t *) ivp)[1], 1);
+
+ while (crypt_off > 0) {
+ SG_CONSUME(sg, data, data_i, data_l);
+ crypt_off -= 8;
+ }
+
+ while (crypt_len > 0) {
+ pdata = data;
+ CVMX_MT_AES_ENC_CBC0(*data);
+ SG_CONSUME(sg, data, data_i, data_l);
+ CVMX_MT_AES_ENC_CBC1(*data);
+ CVMX_MF_AES_RESULT(*pdata, 0);
+ CVMX_MF_AES_RESULT(*data, 1);
+ SG_CONSUME(sg, data, data_i, data_l);
+ crypt_len -= 16;
+ }
+
+ octeon_crypto_disable(&state, flags);
+ return 0;
+}
+
+
+int
+octo_aes_cbc_decrypt(
+ struct octo_sess *od,
+ struct scatterlist *sg, int sg_len,
+ int auth_off, int auth_len,
+ int crypt_off, int crypt_len,
+ int icv_off, uint8_t *ivp)
+{
+ uint64_t *data, *pdata;
+ int data_i, data_l;
+ struct octeon_cop2_state state;
+ unsigned long flags;
+
+ dprintk("%s()\n", __FUNCTION__);
+
+ if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
+ (crypt_off & 0x7) || (crypt_off + crypt_len > sg_len))) {
+ dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
+ "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
+ "icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
+ auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
+ return -EINVAL;
+ }
+
+ SG_INIT(sg, data, data_i, data_l);
+
+ CVMX_PREFETCH0(ivp);
+ CVMX_PREFETCH0(od->octo_enckey);
+
+ flags = octeon_crypto_enable(&state);
+
+ /* load AES Key */
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
+
+ if (od->octo_encklen == 16) {
+ CVMX_MT_AES_KEY(0x0, 2);
+ CVMX_MT_AES_KEY(0x0, 3);
+ } else if (od->octo_encklen == 24) {
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
+ CVMX_MT_AES_KEY(0x0, 3);
+ } else if (od->octo_encklen == 32) {
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[3], 3);
+ } else {
+ octeon_crypto_disable(&state, flags);
+ dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
+ return -EINVAL;
+ }
+ CVMX_MT_AES_KEYLENGTH(od->octo_encklen / 8 - 1);
+
+ CVMX_MT_AES_IV(((uint64_t *) ivp)[0], 0);
+ CVMX_MT_AES_IV(((uint64_t *) ivp)[1], 1);
+
+ while (crypt_off > 0) {
+ SG_CONSUME(sg, data, data_i, data_l);
+ crypt_off -= 8;
+ }
+
+ while (crypt_len > 0) {
+ pdata = data;
+ CVMX_MT_AES_DEC_CBC0(*data);
+ SG_CONSUME(sg, data, data_i, data_l);
+ CVMX_MT_AES_DEC_CBC1(*data);
+ CVMX_MF_AES_RESULT(*pdata, 0);
+ CVMX_MF_AES_RESULT(*data, 1);
+ SG_CONSUME(sg, data, data_i, data_l);
+ crypt_len -= 16;
+ }
+
+ octeon_crypto_disable(&state, flags);
+ return 0;
+}
+
+/****************************************************************************/
+/* MD5 */
+
+int
+octo_null_md5_encrypt(
+ struct octo_sess *od,
+ struct scatterlist *sg, int sg_len,
+ int auth_off, int auth_len,
+ int crypt_off, int crypt_len,
+ int icv_off, uint8_t *ivp)
+{
+ register int next = 0;
+ uint64_t *data;
+ uint64_t tmp1, tmp2;
+ int data_i, data_l, alen = auth_len;
+ struct octeon_cop2_state state;
+ unsigned long flags;
+
+ dprintk("%s()\n", __FUNCTION__);
+
+ if (unlikely(od == NULL || sg==NULL || sg_len==0 ||
+ (auth_off & 0x7) || (auth_off + auth_len > sg_len))) {
+ dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
+ "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
+ "icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
+ auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
+ return -EINVAL;
+ }
+
+ SG_INIT(sg, data, data_i, data_l);
+
+ flags = octeon_crypto_enable(&state);
+
+ /* Load MD5 IV */
+ CVMX_MT_HSH_IV(od->octo_hminner[0], 0);
+ CVMX_MT_HSH_IV(od->octo_hminner[1], 1);
+
+ while (auth_off > 0) {
+ SG_CONSUME(sg, data, data_i, data_l);
+ auth_off -= 8;
+ }
+
+ while (auth_len > 0) {
+ CVM_LOAD_MD5_UNIT(*data, next);
+ auth_len -= 8;
+ SG_CONSUME(sg, data, data_i, data_l);
+ }
+
+ /* finish the hash */
+ CVMX_PREFETCH0(od->octo_hmouter);
+#if 0
+ if (unlikely(inplen)) {
+ uint64_t tmp = 0;
+ uint8_t *p = (uint8_t *) & tmp;
+ p[inplen] = 0x80;
+ do {
+ inplen--;
+ p[inplen] = ((uint8_t *) data)[inplen];
+ } while (inplen);
+ CVM_LOAD_MD5_UNIT(tmp, next);
+ } else {
+ CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
+ }
+#else
+ CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
+#endif
+
+ /* Finish Inner hash */
+ while (next != 7) {
+ CVM_LOAD_MD5_UNIT(((uint64_t) 0x0ULL), next);
+ }
+ CVMX_ES64(tmp1, ((alen + 64) << 3));
+ CVM_LOAD_MD5_UNIT(tmp1, next);
+
+ /* Get the inner hash of HMAC */
+ CVMX_MF_HSH_IV(tmp1, 0);
+ CVMX_MF_HSH_IV(tmp2, 1);
+
+ /* Initialize hash unit */
+ CVMX_MT_HSH_IV(od->octo_hmouter[0], 0);
+ CVMX_MT_HSH_IV(od->octo_hmouter[1], 1);
+
+ CVMX_MT_HSH_DAT(tmp1, 0);
+ CVMX_MT_HSH_DAT(tmp2, 1);
+ CVMX_MT_HSH_DAT(0x8000000000000000ULL, 2);
+ CVMX_MT_HSH_DATZ(3);
+ CVMX_MT_HSH_DATZ(4);
+ CVMX_MT_HSH_DATZ(5);
+ CVMX_MT_HSH_DATZ(6);
+ CVMX_ES64(tmp1, ((64 + 16) << 3));
+ CVMX_MT_HSH_STARTMD5(tmp1);
+
+ /* save the HMAC */
+ SG_INIT(sg, data, data_i, data_l);
+ while (icv_off > 0) {
+ SG_CONSUME(sg, data, data_i, data_l);
+ icv_off -= 8;
+ }
+ CVMX_MF_HSH_IV(*data, 0);
+ SG_CONSUME(sg, data, data_i, data_l);
+ CVMX_MF_HSH_IV(tmp1, 1);
+ *(uint32_t *)data = (uint32_t) (tmp1 >> 32);
+
+ octeon_crypto_disable(&state, flags);
+ return 0;
+}
+
+/****************************************************************************/
+/* SHA1 */
+
+int
+octo_null_sha1_encrypt(
+ struct octo_sess *od,
+ struct scatterlist *sg, int sg_len,
+ int auth_off, int auth_len,
+ int crypt_off, int crypt_len,
+ int icv_off, uint8_t *ivp)
+{
+ register int next = 0;
+ uint64_t *data;
+ uint64_t tmp1, tmp2, tmp3;
+ int data_i, data_l, alen = auth_len;
+ struct octeon_cop2_state state;
+ unsigned long flags;
+
+ dprintk("%s()\n", __FUNCTION__);
+
+ if (unlikely(od == NULL || sg==NULL || sg_len==0 ||
+ (auth_off & 0x7) || (auth_off + auth_len > sg_len))) {
+ dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
+ "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
+ "icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
+ auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
+ return -EINVAL;
+ }
+
+ SG_INIT(sg, data, data_i, data_l);
+
+ flags = octeon_crypto_enable(&state);
+
+ /* Load SHA1 IV */
+ CVMX_MT_HSH_IV(od->octo_hminner[0], 0);
+ CVMX_MT_HSH_IV(od->octo_hminner[1], 1);
+ CVMX_MT_HSH_IV(od->octo_hminner[2], 2);
+
+ while (auth_off > 0) {
+ SG_CONSUME(sg, data, data_i, data_l);
+ auth_off -= 8;
+ }
+
+ while (auth_len > 0) {
+ CVM_LOAD_SHA_UNIT(*data, next);
+ auth_len -= 8;
+ SG_CONSUME(sg, data, data_i, data_l);
+ }
+
+ /* finish the hash */
+ CVMX_PREFETCH0(od->octo_hmouter);
+#if 0
+ if (unlikely(inplen)) {
+ uint64_t tmp = 0;
+ uint8_t *p = (uint8_t *) & tmp;
+ p[inplen] = 0x80;
+ do {
+ inplen--;
+ p[inplen] = ((uint8_t *) data)[inplen];
+ } while (inplen);
+ CVM_LOAD_MD5_UNIT(tmp, next);
+ } else {
+ CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
+ }
+#else
+ CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next);
+#endif
+
+ /* Finish Inner hash */
+ while (next != 7) {
+ CVM_LOAD_SHA_UNIT(((uint64_t) 0x0ULL), next);
+ }
+ CVM_LOAD_SHA_UNIT((uint64_t) ((alen + 64) << 3), next);
+
+ /* Get the inner hash of HMAC */
+ CVMX_MF_HSH_IV(tmp1, 0);
+ CVMX_MF_HSH_IV(tmp2, 1);
+ tmp3 = 0;
+ CVMX_MF_HSH_IV(tmp3, 2);
+
+ /* Initialize hash unit */
+ CVMX_MT_HSH_IV(od->octo_hmouter[0], 0);
+ CVMX_MT_HSH_IV(od->octo_hmouter[1], 1);
+ CVMX_MT_HSH_IV(od->octo_hmouter[2], 2);
+
+ CVMX_MT_HSH_DAT(tmp1, 0);
+ CVMX_MT_HSH_DAT(tmp2, 1);
+ tmp3 |= 0x0000000080000000;
+ CVMX_MT_HSH_DAT(tmp3, 2);
+ CVMX_MT_HSH_DATZ(3);
+ CVMX_MT_HSH_DATZ(4);
+ CVMX_MT_HSH_DATZ(5);
+ CVMX_MT_HSH_DATZ(6);
+ CVMX_MT_HSH_STARTSHA((uint64_t) ((64 + 20) << 3));
+
+ /* save the HMAC */
+ SG_INIT(sg, data, data_i, data_l);
+ while (icv_off > 0) {
+ SG_CONSUME(sg, data, data_i, data_l);
+ icv_off -= 8;
+ }
+ CVMX_MF_HSH_IV(*data, 0);
+ SG_CONSUME(sg, data, data_i, data_l);
+ CVMX_MF_HSH_IV(tmp1, 1);
+ *(uint32_t *)data = (uint32_t) (tmp1 >> 32);
+
+ octeon_crypto_disable(&state, flags);
+ return 0;
+}
+
+/****************************************************************************/
+/* DES MD5 */
+
+int
+octo_des_cbc_md5_encrypt(
+ struct octo_sess *od,
+ struct scatterlist *sg, int sg_len,
+ int auth_off, int auth_len,
+ int crypt_off, int crypt_len,
+ int icv_off, uint8_t *ivp)
+{
+ register int next = 0;
+ union {
+ uint32_t data32[2];
+ uint64_t data64[1];
+ } mydata;
+ uint64_t *data = &mydata.data64[0];
+ uint32_t *data32;
+ uint64_t tmp1, tmp2;
+ int data_i, data_l, alen = auth_len;
+ struct octeon_cop2_state state;
+ unsigned long flags;
+
+ dprintk("%s()\n", __FUNCTION__);
+
+ if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
+ (crypt_off & 0x3) || (crypt_off + crypt_len > sg_len) ||
+ (crypt_len & 0x7) ||
+ (auth_len & 0x7) ||
+ (auth_off & 0x3) || (auth_off + auth_len > sg_len))) {
+ dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
+ "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
+ "icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
+ auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
+ return -EINVAL;
+ }
+
+ SG_INIT(sg, data32, data_i, data_l);
+
+ CVMX_PREFETCH0(ivp);
+ CVMX_PREFETCH0(od->octo_enckey);
+
+ flags = octeon_crypto_enable(&state);
+
+ /* load 3DES Key */
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
+ if (od->octo_encklen == 24) {
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
+ } else if (od->octo_encklen == 8) {
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 1);
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 2);
+ } else {
+ octeon_crypto_disable(&state, flags);
+ dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
+ return -EINVAL;
+ }
+
+ CVMX_MT_3DES_IV(* (uint64_t *) ivp);
+
+ /* Load MD5 IV */
+ CVMX_MT_HSH_IV(od->octo_hminner[0], 0);
+ CVMX_MT_HSH_IV(od->octo_hminner[1], 1);
+
+ while (crypt_off > 0 && auth_off > 0) {
+ SG_CONSUME(sg, data32, data_i, data_l);
+ crypt_off -= 4;
+ auth_off -= 4;
+ }
+
+ while (crypt_len > 0 || auth_len > 0) {
+ uint32_t *first = data32;
+ mydata.data32[0] = *first;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ mydata.data32[1] = *data32;
+ if (crypt_off <= 0) {
+ if (crypt_len > 0) {
+ CVMX_MT_3DES_ENC_CBC(*data);
+ CVMX_MF_3DES_RESULT(*data);
+ crypt_len -= 8;
+ }
+ } else
+ crypt_off -= 8;
+ if (auth_off <= 0) {
+ if (auth_len > 0) {
+ CVM_LOAD_MD5_UNIT(*data, next);
+ auth_len -= 8;
+ }
+ } else
+ auth_off -= 8;
+ *first = mydata.data32[0];
+ *data32 = mydata.data32[1];
+ SG_CONSUME(sg, data32, data_i, data_l);
+ }
+
+ /* finish the hash */
+ CVMX_PREFETCH0(od->octo_hmouter);
+#if 0
+ if (unlikely(inplen)) {
+ uint64_t tmp = 0;
+ uint8_t *p = (uint8_t *) & tmp;
+ p[inplen] = 0x80;
+ do {
+ inplen--;
+ p[inplen] = ((uint8_t *) data)[inplen];
+ } while (inplen);
+ CVM_LOAD_MD5_UNIT(tmp, next);
+ } else {
+ CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
+ }
+#else
+ CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
+#endif
+
+ /* Finish Inner hash */
+ while (next != 7) {
+ CVM_LOAD_MD5_UNIT(((uint64_t) 0x0ULL), next);
+ }
+ CVMX_ES64(tmp1, ((alen + 64) << 3));
+ CVM_LOAD_MD5_UNIT(tmp1, next);
+
+ /* Get the inner hash of HMAC */
+ CVMX_MF_HSH_IV(tmp1, 0);
+ CVMX_MF_HSH_IV(tmp2, 1);
+
+ /* Initialize hash unit */
+ CVMX_MT_HSH_IV(od->octo_hmouter[0], 0);
+ CVMX_MT_HSH_IV(od->octo_hmouter[1], 1);
+
+ CVMX_MT_HSH_DAT(tmp1, 0);
+ CVMX_MT_HSH_DAT(tmp2, 1);
+ CVMX_MT_HSH_DAT(0x8000000000000000ULL, 2);
+ CVMX_MT_HSH_DATZ(3);
+ CVMX_MT_HSH_DATZ(4);
+ CVMX_MT_HSH_DATZ(5);
+ CVMX_MT_HSH_DATZ(6);
+ CVMX_ES64(tmp1, ((64 + 16) << 3));
+ CVMX_MT_HSH_STARTMD5(tmp1);
+
+ /* save the HMAC */
+ SG_INIT(sg, data32, data_i, data_l);
+ while (icv_off > 0) {
+ SG_CONSUME(sg, data32, data_i, data_l);
+ icv_off -= 4;
+ }
+ CVMX_MF_HSH_IV(tmp1, 0);
+ *data32 = (uint32_t) (tmp1 >> 32);
+ SG_CONSUME(sg, data32, data_i, data_l);
+ *data32 = (uint32_t) tmp1;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ CVMX_MF_HSH_IV(tmp1, 1);
+ *data32 = (uint32_t) (tmp1 >> 32);
+
+ octeon_crypto_disable(&state, flags);
+ return 0;
+}
+
+int
+octo_des_cbc_md5_decrypt(
+ struct octo_sess *od,
+ struct scatterlist *sg, int sg_len,
+ int auth_off, int auth_len,
+ int crypt_off, int crypt_len,
+ int icv_off, uint8_t *ivp)
+{
+ register int next = 0;
+ union {
+ uint32_t data32[2];
+ uint64_t data64[1];
+ } mydata;
+ uint64_t *data = &mydata.data64[0];
+ uint32_t *data32;
+ uint64_t tmp1, tmp2;
+ int data_i, data_l, alen = auth_len;
+ struct octeon_cop2_state state;
+ unsigned long flags;
+
+ dprintk("%s()\n", __FUNCTION__);
+
+ if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
+ (crypt_off & 0x3) || (crypt_off + crypt_len > sg_len) ||
+ (crypt_len & 0x7) ||
+ (auth_len & 0x7) ||
+ (auth_off & 0x3) || (auth_off + auth_len > sg_len))) {
+ dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
+ "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
+ "icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
+ auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
+ return -EINVAL;
+ }
+
+ SG_INIT(sg, data32, data_i, data_l);
+
+ CVMX_PREFETCH0(ivp);
+ CVMX_PREFETCH0(od->octo_enckey);
+
+ flags = octeon_crypto_enable(&state);
+
+ /* load 3DES Key */
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
+ if (od->octo_encklen == 24) {
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
+ } else if (od->octo_encklen == 8) {
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 1);
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 2);
+ } else {
+ octeon_crypto_disable(&state, flags);
+ dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
+ return -EINVAL;
+ }
+
+ CVMX_MT_3DES_IV(* (uint64_t *) ivp);
+
+ /* Load MD5 IV */
+ CVMX_MT_HSH_IV(od->octo_hminner[0], 0);
+ CVMX_MT_HSH_IV(od->octo_hminner[1], 1);
+
+ while (crypt_off > 0 && auth_off > 0) {
+ SG_CONSUME(sg, data32, data_i, data_l);
+ crypt_off -= 4;
+ auth_off -= 4;
+ }
+
+ while (crypt_len > 0 || auth_len > 0) {
+ uint32_t *first = data32;
+ mydata.data32[0] = *first;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ mydata.data32[1] = *data32;
+ if (auth_off <= 0) {
+ if (auth_len > 0) {
+ CVM_LOAD_MD5_UNIT(*data, next);
+ auth_len -= 8;
+ }
+ } else
+ auth_off -= 8;
+ if (crypt_off <= 0) {
+ if (crypt_len > 0) {
+ CVMX_MT_3DES_DEC_CBC(*data);
+ CVMX_MF_3DES_RESULT(*data);
+ crypt_len -= 8;
+ }
+ } else
+ crypt_off -= 8;
+ *first = mydata.data32[0];
+ *data32 = mydata.data32[1];
+ SG_CONSUME(sg, data32, data_i, data_l);
+ }
+
+ /* finish the hash */
+ CVMX_PREFETCH0(od->octo_hmouter);
+#if 0
+ if (unlikely(inplen)) {
+ uint64_t tmp = 0;
+ uint8_t *p = (uint8_t *) & tmp;
+ p[inplen] = 0x80;
+ do {
+ inplen--;
+ p[inplen] = ((uint8_t *) data)[inplen];
+ } while (inplen);
+ CVM_LOAD_MD5_UNIT(tmp, next);
+ } else {
+ CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
+ }
+#else
+ CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
+#endif
+
+ /* Finish Inner hash */
+ while (next != 7) {
+ CVM_LOAD_MD5_UNIT(((uint64_t) 0x0ULL), next);
+ }
+ CVMX_ES64(tmp1, ((alen + 64) << 3));
+ CVM_LOAD_MD5_UNIT(tmp1, next);
+
+ /* Get the inner hash of HMAC */
+ CVMX_MF_HSH_IV(tmp1, 0);
+ CVMX_MF_HSH_IV(tmp2, 1);
+
+ /* Initialize hash unit */
+ CVMX_MT_HSH_IV(od->octo_hmouter[0], 0);
+ CVMX_MT_HSH_IV(od->octo_hmouter[1], 1);
+
+ CVMX_MT_HSH_DAT(tmp1, 0);
+ CVMX_MT_HSH_DAT(tmp2, 1);
+ CVMX_MT_HSH_DAT(0x8000000000000000ULL, 2);
+ CVMX_MT_HSH_DATZ(3);
+ CVMX_MT_HSH_DATZ(4);
+ CVMX_MT_HSH_DATZ(5);
+ CVMX_MT_HSH_DATZ(6);
+ CVMX_ES64(tmp1, ((64 + 16) << 3));
+ CVMX_MT_HSH_STARTMD5(tmp1);
+
+ /* save the HMAC */
+ SG_INIT(sg, data32, data_i, data_l);
+ while (icv_off > 0) {
+ SG_CONSUME(sg, data32, data_i, data_l);
+ icv_off -= 4;
+ }
+ CVMX_MF_HSH_IV(tmp1, 0);
+ *data32 = (uint32_t) (tmp1 >> 32);
+ SG_CONSUME(sg, data32, data_i, data_l);
+ *data32 = (uint32_t) tmp1;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ CVMX_MF_HSH_IV(tmp1, 1);
+ *data32 = (uint32_t) (tmp1 >> 32);
+
+ octeon_crypto_disable(&state, flags);
+ return 0;
+}
+
+/****************************************************************************/
+/* DES SHA */
+
+int
+octo_des_cbc_sha1_encrypt(
+ struct octo_sess *od,
+ struct scatterlist *sg, int sg_len,
+ int auth_off, int auth_len,
+ int crypt_off, int crypt_len,
+ int icv_off, uint8_t *ivp)
+{
+ register int next = 0;
+ union {
+ uint32_t data32[2];
+ uint64_t data64[1];
+ } mydata;
+ uint64_t *data = &mydata.data64[0];
+ uint32_t *data32;
+ uint64_t tmp1, tmp2, tmp3;
+ int data_i, data_l, alen = auth_len;
+ struct octeon_cop2_state state;
+ unsigned long flags;
+
+ dprintk("%s()\n", __FUNCTION__);
+
+ if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
+ (crypt_off & 0x3) || (crypt_off + crypt_len > sg_len) ||
+ (crypt_len & 0x7) ||
+ (auth_len & 0x7) ||
+ (auth_off & 0x3) || (auth_off + auth_len > sg_len))) {
+ dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
+ "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
+ "icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
+ auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
+ return -EINVAL;
+ }
+
+ SG_INIT(sg, data32, data_i, data_l);
+
+ CVMX_PREFETCH0(ivp);
+ CVMX_PREFETCH0(od->octo_enckey);
+
+ flags = octeon_crypto_enable(&state);
+
+ /* load 3DES Key */
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
+ if (od->octo_encklen == 24) {
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
+ } else if (od->octo_encklen == 8) {
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 1);
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 2);
+ } else {
+ octeon_crypto_disable(&state, flags);
+ dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
+ return -EINVAL;
+ }
+
+ CVMX_MT_3DES_IV(* (uint64_t *) ivp);
+
+ /* Load SHA1 IV */
+ CVMX_MT_HSH_IV(od->octo_hminner[0], 0);
+ CVMX_MT_HSH_IV(od->octo_hminner[1], 1);
+ CVMX_MT_HSH_IV(od->octo_hminner[2], 2);
+
+ while (crypt_off > 0 && auth_off > 0) {
+ SG_CONSUME(sg, data32, data_i, data_l);
+ crypt_off -= 4;
+ auth_off -= 4;
+ }
+
+ while (crypt_len > 0 || auth_len > 0) {
+ uint32_t *first = data32;
+ mydata.data32[0] = *first;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ mydata.data32[1] = *data32;
+ if (crypt_off <= 0) {
+ if (crypt_len > 0) {
+ CVMX_MT_3DES_ENC_CBC(*data);
+ CVMX_MF_3DES_RESULT(*data);
+ crypt_len -= 8;
+ }
+ } else
+ crypt_off -= 8;
+ if (auth_off <= 0) {
+ if (auth_len > 0) {
+ CVM_LOAD_SHA_UNIT(*data, next);
+ auth_len -= 8;
+ }
+ } else
+ auth_off -= 8;
+ *first = mydata.data32[0];
+ *data32 = mydata.data32[1];
+ SG_CONSUME(sg, data32, data_i, data_l);
+ }
+
+ /* finish the hash */
+ CVMX_PREFETCH0(od->octo_hmouter);
+#if 0
+ if (unlikely(inplen)) {
+ uint64_t tmp = 0;
+ uint8_t *p = (uint8_t *) & tmp;
+ p[inplen] = 0x80;
+ do {
+ inplen--;
+ p[inplen] = ((uint8_t *) data)[inplen];
+ } while (inplen);
+ CVM_LOAD_SHA_UNIT(tmp, next);
+ } else {
+ CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next);
+ }
+#else
+ CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next);
+#endif
+
+ /* Finish Inner hash */
+ while (next != 7) {
+ CVM_LOAD_SHA_UNIT(((uint64_t) 0x0ULL), next);
+ }
+ CVM_LOAD_SHA_UNIT((uint64_t) ((alen + 64) << 3), next);
+
+ /* Get the inner hash of HMAC */
+ CVMX_MF_HSH_IV(tmp1, 0);
+ CVMX_MF_HSH_IV(tmp2, 1);
+ tmp3 = 0;
+ CVMX_MF_HSH_IV(tmp3, 2);
+
+ /* Initialize hash unit */
+ CVMX_MT_HSH_IV(od->octo_hmouter[0], 0);
+ CVMX_MT_HSH_IV(od->octo_hmouter[1], 1);
+ CVMX_MT_HSH_IV(od->octo_hmouter[2], 2);
+
+ CVMX_MT_HSH_DAT(tmp1, 0);
+ CVMX_MT_HSH_DAT(tmp2, 1);
+ tmp3 |= 0x0000000080000000;
+ CVMX_MT_HSH_DAT(tmp3, 2);
+ CVMX_MT_HSH_DATZ(3);
+ CVMX_MT_HSH_DATZ(4);
+ CVMX_MT_HSH_DATZ(5);
+ CVMX_MT_HSH_DATZ(6);
+ CVMX_MT_HSH_STARTSHA((uint64_t) ((64 + 20) << 3));
+
+ /* save the HMAC */
+ SG_INIT(sg, data32, data_i, data_l);
+ while (icv_off > 0) {
+ SG_CONSUME(sg, data32, data_i, data_l);
+ icv_off -= 4;
+ }
+ CVMX_MF_HSH_IV(tmp1, 0);
+ *data32 = (uint32_t) (tmp1 >> 32);
+ SG_CONSUME(sg, data32, data_i, data_l);
+ *data32 = (uint32_t) tmp1;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ CVMX_MF_HSH_IV(tmp1, 1);
+ *data32 = (uint32_t) (tmp1 >> 32);
+
+ octeon_crypto_disable(&state, flags);
+ return 0;
+}
+
+int
+octo_des_cbc_sha1_decrypt(
+ struct octo_sess *od,
+ struct scatterlist *sg, int sg_len,
+ int auth_off, int auth_len,
+ int crypt_off, int crypt_len,
+ int icv_off, uint8_t *ivp)
+{
+ register int next = 0;
+ union {
+ uint32_t data32[2];
+ uint64_t data64[1];
+ } mydata;
+ uint64_t *data = &mydata.data64[0];
+ uint32_t *data32;
+ uint64_t tmp1, tmp2, tmp3;
+ int data_i, data_l, alen = auth_len;
+ struct octeon_cop2_state state;
+ unsigned long flags;
+
+ dprintk("%s()\n", __FUNCTION__);
+
+ if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
+ (crypt_off & 0x3) || (crypt_off + crypt_len > sg_len) ||
+ (crypt_len & 0x7) ||
+ (auth_len & 0x7) ||
+ (auth_off & 0x3) || (auth_off + auth_len > sg_len))) {
+ dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
+ "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
+ "icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
+ auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
+ return -EINVAL;
+ }
+
+ SG_INIT(sg, data32, data_i, data_l);
+
+ CVMX_PREFETCH0(ivp);
+ CVMX_PREFETCH0(od->octo_enckey);
+
+ flags = octeon_crypto_enable(&state);
+
+ /* load 3DES Key */
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
+ if (od->octo_encklen == 24) {
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
+ } else if (od->octo_encklen == 8) {
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 1);
+ CVMX_MT_3DES_KEY(((uint64_t *) od->octo_enckey)[0], 2);
+ } else {
+ octeon_crypto_disable(&state, flags);
+ dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
+ return -EINVAL;
+ }
+
+ CVMX_MT_3DES_IV(* (uint64_t *) ivp);
+
+ /* Load SHA1 IV */
+ CVMX_MT_HSH_IV(od->octo_hminner[0], 0);
+ CVMX_MT_HSH_IV(od->octo_hminner[1], 1);
+ CVMX_MT_HSH_IV(od->octo_hminner[2], 2);
+
+ while (crypt_off > 0 && auth_off > 0) {
+ SG_CONSUME(sg, data32, data_i, data_l);
+ crypt_off -= 4;
+ auth_off -= 4;
+ }
+
+ while (crypt_len > 0 || auth_len > 0) {
+ uint32_t *first = data32;
+ mydata.data32[0] = *first;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ mydata.data32[1] = *data32;
+ if (auth_off <= 0) {
+ if (auth_len > 0) {
+ CVM_LOAD_SHA_UNIT(*data, next);
+ auth_len -= 8;
+ }
+ } else
+ auth_off -= 8;
+ if (crypt_off <= 0) {
+ if (crypt_len > 0) {
+ CVMX_MT_3DES_DEC_CBC(*data);
+ CVMX_MF_3DES_RESULT(*data);
+ crypt_len -= 8;
+ }
+ } else
+ crypt_off -= 8;
+ *first = mydata.data32[0];
+ *data32 = mydata.data32[1];
+ SG_CONSUME(sg, data32, data_i, data_l);
+ }
+
+ /* finish the hash */
+ CVMX_PREFETCH0(od->octo_hmouter);
+#if 0
+ if (unlikely(inplen)) {
+ uint64_t tmp = 0;
+ uint8_t *p = (uint8_t *) & tmp;
+ p[inplen] = 0x80;
+ do {
+ inplen--;
+ p[inplen] = ((uint8_t *) data)[inplen];
+ } while (inplen);
+ CVM_LOAD_SHA_UNIT(tmp, next);
+ } else {
+ CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next);
+ }
+#else
+ CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next);
+#endif
+
+ /* Finish Inner hash */
+ while (next != 7) {
+ CVM_LOAD_SHA_UNIT(((uint64_t) 0x0ULL), next);
+ }
+ CVM_LOAD_SHA_UNIT((uint64_t) ((alen + 64) << 3), next);
+
+ /* Get the inner hash of HMAC */
+ CVMX_MF_HSH_IV(tmp1, 0);
+ CVMX_MF_HSH_IV(tmp2, 1);
+ tmp3 = 0;
+ CVMX_MF_HSH_IV(tmp3, 2);
+
+ /* Initialize hash unit */
+ CVMX_MT_HSH_IV(od->octo_hmouter[0], 0);
+ CVMX_MT_HSH_IV(od->octo_hmouter[1], 1);
+ CVMX_MT_HSH_IV(od->octo_hmouter[2], 2);
+
+ CVMX_MT_HSH_DAT(tmp1, 0);
+ CVMX_MT_HSH_DAT(tmp2, 1);
+ tmp3 |= 0x0000000080000000;
+ CVMX_MT_HSH_DAT(tmp3, 2);
+ CVMX_MT_HSH_DATZ(3);
+ CVMX_MT_HSH_DATZ(4);
+ CVMX_MT_HSH_DATZ(5);
+ CVMX_MT_HSH_DATZ(6);
+ CVMX_MT_HSH_STARTSHA((uint64_t) ((64 + 20) << 3));
+ /* save the HMAC */
+ SG_INIT(sg, data32, data_i, data_l);
+ while (icv_off > 0) {
+ SG_CONSUME(sg, data32, data_i, data_l);
+ icv_off -= 4;
+ }
+ CVMX_MF_HSH_IV(tmp1, 0);
+ *data32 = (uint32_t) (tmp1 >> 32);
+ SG_CONSUME(sg, data32, data_i, data_l);
+ *data32 = (uint32_t) tmp1;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ CVMX_MF_HSH_IV(tmp1, 1);
+ *data32 = (uint32_t) (tmp1 >> 32);
+
+ octeon_crypto_disable(&state, flags);
+ return 0;
+}
+
+/****************************************************************************/
+/* AES MD5 */
+
+int
+octo_aes_cbc_md5_encrypt(
+ struct octo_sess *od,
+ struct scatterlist *sg, int sg_len,
+ int auth_off, int auth_len,
+ int crypt_off, int crypt_len,
+ int icv_off, uint8_t *ivp)
+{
+ register int next = 0;
+ union {
+ uint32_t data32[2];
+ uint64_t data64[1];
+ } mydata[2];
+ uint64_t *pdata = &mydata[0].data64[0];
+ uint64_t *data = &mydata[1].data64[0];
+ uint32_t *data32;
+ uint64_t tmp1, tmp2;
+ int data_i, data_l, alen = auth_len;
+ struct octeon_cop2_state state;
+ unsigned long flags;
+
+ dprintk("%s()\n", __FUNCTION__);
+
+ if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
+ (crypt_off & 0x3) || (crypt_off + crypt_len > sg_len) ||
+ (crypt_len & 0x7) ||
+ (auth_len & 0x7) ||
+ (auth_off & 0x3) || (auth_off + auth_len > sg_len))) {
+ dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
+ "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
+ "icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
+ auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
+ return -EINVAL;
+ }
+
+ SG_INIT(sg, data32, data_i, data_l);
+
+ CVMX_PREFETCH0(ivp);
+ CVMX_PREFETCH0(od->octo_enckey);
+
+ flags = octeon_crypto_enable(&state);
+
+ /* load AES Key */
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
+
+ if (od->octo_encklen == 16) {
+ CVMX_MT_AES_KEY(0x0, 2);
+ CVMX_MT_AES_KEY(0x0, 3);
+ } else if (od->octo_encklen == 24) {
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
+ CVMX_MT_AES_KEY(0x0, 3);
+ } else if (od->octo_encklen == 32) {
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[3], 3);
+ } else {
+ octeon_crypto_disable(&state, flags);
+ dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
+ return -EINVAL;
+ }
+ CVMX_MT_AES_KEYLENGTH(od->octo_encklen / 8 - 1);
+
+ CVMX_MT_AES_IV(((uint64_t *) ivp)[0], 0);
+ CVMX_MT_AES_IV(((uint64_t *) ivp)[1], 1);
+
+ /* Load MD5 IV */
+ CVMX_MT_HSH_IV(od->octo_hminner[0], 0);
+ CVMX_MT_HSH_IV(od->octo_hminner[1], 1);
+
+ while (crypt_off > 0 && auth_off > 0) {
+ SG_CONSUME(sg, data32, data_i, data_l);
+ crypt_off -= 4;
+ auth_off -= 4;
+ }
+
+ /* align auth and crypt */
+ while (crypt_off > 0 && auth_len > 0) {
+ mydata[0].data32[0] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ mydata[0].data32[1] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ CVM_LOAD_MD5_UNIT(*pdata, next);
+ crypt_off -= 8;
+ auth_len -= 8;
+ }
+
+ while (crypt_len > 0) {
+ uint32_t *pdata32[3];
+
+ pdata32[0] = data32;
+ mydata[0].data32[0] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+
+ pdata32[1] = data32;
+ mydata[0].data32[1] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+
+ pdata32[2] = data32;
+ mydata[1].data32[0] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+
+ mydata[1].data32[1] = *data32;
+
+ CVMX_MT_AES_ENC_CBC0(*pdata);
+ CVMX_MT_AES_ENC_CBC1(*data);
+ CVMX_MF_AES_RESULT(*pdata, 0);
+ CVMX_MF_AES_RESULT(*data, 1);
+ crypt_len -= 16;
+
+ if (auth_len > 0) {
+ CVM_LOAD_MD5_UNIT(*pdata, next);
+ auth_len -= 8;
+ }
+ if (auth_len > 0) {
+ CVM_LOAD_MD5_UNIT(*data, next);
+ auth_len -= 8;
+ }
+
+ *pdata32[0] = mydata[0].data32[0];
+ *pdata32[1] = mydata[0].data32[1];
+ *pdata32[2] = mydata[1].data32[0];
+ *data32 = mydata[1].data32[1];
+
+ SG_CONSUME(sg, data32, data_i, data_l);
+ }
+
+ /* finish any left over hashing */
+ while (auth_len > 0) {
+ mydata[0].data32[0] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ mydata[0].data32[1] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ CVM_LOAD_MD5_UNIT(*pdata, next);
+ auth_len -= 8;
+ }
+
+ /* finish the hash */
+ CVMX_PREFETCH0(od->octo_hmouter);
+#if 0
+ if (unlikely(inplen)) {
+ uint64_t tmp = 0;
+ uint8_t *p = (uint8_t *) & tmp;
+ p[inplen] = 0x80;
+ do {
+ inplen--;
+ p[inplen] = ((uint8_t *) data)[inplen];
+ } while (inplen);
+ CVM_LOAD_MD5_UNIT(tmp, next);
+ } else {
+ CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
+ }
+#else
+ CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
+#endif
+
+ /* Finish Inner hash */
+ while (next != 7) {
+ CVM_LOAD_MD5_UNIT(((uint64_t) 0x0ULL), next);
+ }
+ CVMX_ES64(tmp1, ((alen + 64) << 3));
+ CVM_LOAD_MD5_UNIT(tmp1, next);
+
+ /* Get the inner hash of HMAC */
+ CVMX_MF_HSH_IV(tmp1, 0);
+ CVMX_MF_HSH_IV(tmp2, 1);
+
+ /* Initialize hash unit */
+ CVMX_MT_HSH_IV(od->octo_hmouter[0], 0);
+ CVMX_MT_HSH_IV(od->octo_hmouter[1], 1);
+
+ CVMX_MT_HSH_DAT(tmp1, 0);
+ CVMX_MT_HSH_DAT(tmp2, 1);
+ CVMX_MT_HSH_DAT(0x8000000000000000ULL, 2);
+ CVMX_MT_HSH_DATZ(3);
+ CVMX_MT_HSH_DATZ(4);
+ CVMX_MT_HSH_DATZ(5);
+ CVMX_MT_HSH_DATZ(6);
+ CVMX_ES64(tmp1, ((64 + 16) << 3));
+ CVMX_MT_HSH_STARTMD5(tmp1);
+
+ /* save the HMAC */
+ SG_INIT(sg, data32, data_i, data_l);
+ while (icv_off > 0) {
+ SG_CONSUME(sg, data32, data_i, data_l);
+ icv_off -= 4;
+ }
+ CVMX_MF_HSH_IV(tmp1, 0);
+ *data32 = (uint32_t) (tmp1 >> 32);
+ SG_CONSUME(sg, data32, data_i, data_l);
+ *data32 = (uint32_t) tmp1;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ CVMX_MF_HSH_IV(tmp1, 1);
+ *data32 = (uint32_t) (tmp1 >> 32);
+
+ octeon_crypto_disable(&state, flags);
+ return 0;
+}
+
+int
+octo_aes_cbc_md5_decrypt(
+ struct octo_sess *od,
+ struct scatterlist *sg, int sg_len,
+ int auth_off, int auth_len,
+ int crypt_off, int crypt_len,
+ int icv_off, uint8_t *ivp)
+{
+ register int next = 0;
+ union {
+ uint32_t data32[2];
+ uint64_t data64[1];
+ } mydata[2];
+ uint64_t *pdata = &mydata[0].data64[0];
+ uint64_t *data = &mydata[1].data64[0];
+ uint32_t *data32;
+ uint64_t tmp1, tmp2;
+ int data_i, data_l, alen = auth_len;
+ struct octeon_cop2_state state;
+ unsigned long flags;
+
+ dprintk("%s()\n", __FUNCTION__);
+
+ if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
+ (crypt_off & 0x3) || (crypt_off + crypt_len > sg_len) ||
+ (crypt_len & 0x7) ||
+ (auth_len & 0x7) ||
+ (auth_off & 0x3) || (auth_off + auth_len > sg_len))) {
+ dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
+ "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
+ "icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
+ auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
+ return -EINVAL;
+ }
+
+ SG_INIT(sg, data32, data_i, data_l);
+
+ CVMX_PREFETCH0(ivp);
+ CVMX_PREFETCH0(od->octo_enckey);
+
+ flags = octeon_crypto_enable(&state);
+
+ /* load AES Key */
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
+
+ if (od->octo_encklen == 16) {
+ CVMX_MT_AES_KEY(0x0, 2);
+ CVMX_MT_AES_KEY(0x0, 3);
+ } else if (od->octo_encklen == 24) {
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
+ CVMX_MT_AES_KEY(0x0, 3);
+ } else if (od->octo_encklen == 32) {
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[3], 3);
+ } else {
+ octeon_crypto_disable(&state, flags);
+ dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
+ return -EINVAL;
+ }
+ CVMX_MT_AES_KEYLENGTH(od->octo_encklen / 8 - 1);
+
+ CVMX_MT_AES_IV(((uint64_t *) ivp)[0], 0);
+ CVMX_MT_AES_IV(((uint64_t *) ivp)[1], 1);
+
+ /* Load MD5 IV */
+ CVMX_MT_HSH_IV(od->octo_hminner[0], 0);
+ CVMX_MT_HSH_IV(od->octo_hminner[1], 1);
+
+ while (crypt_off > 0 && auth_off > 0) {
+ SG_CONSUME(sg, data32, data_i, data_l);
+ crypt_off -= 4;
+ auth_off -= 4;
+ }
+
+ /* align auth and crypt */
+ while (crypt_off > 0 && auth_len > 0) {
+ mydata[0].data32[0] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ mydata[0].data32[1] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ CVM_LOAD_MD5_UNIT(*pdata, next);
+ crypt_off -= 8;
+ auth_len -= 8;
+ }
+
+ while (crypt_len > 0) {
+ uint32_t *pdata32[3];
+
+ pdata32[0] = data32;
+ mydata[0].data32[0] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ pdata32[1] = data32;
+ mydata[0].data32[1] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ pdata32[2] = data32;
+ mydata[1].data32[0] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ mydata[1].data32[1] = *data32;
+
+ if (auth_len > 0) {
+ CVM_LOAD_MD5_UNIT(*pdata, next);
+ auth_len -= 8;
+ }
+
+ if (auth_len > 0) {
+ CVM_LOAD_MD5_UNIT(*data, next);
+ auth_len -= 8;
+ }
+
+ CVMX_MT_AES_DEC_CBC0(*pdata);
+ CVMX_MT_AES_DEC_CBC1(*data);
+ CVMX_MF_AES_RESULT(*pdata, 0);
+ CVMX_MF_AES_RESULT(*data, 1);
+ crypt_len -= 16;
+
+ *pdata32[0] = mydata[0].data32[0];
+ *pdata32[1] = mydata[0].data32[1];
+ *pdata32[2] = mydata[1].data32[0];
+ *data32 = mydata[1].data32[1];
+
+ SG_CONSUME(sg, data32, data_i, data_l);
+ }
+
+ /* finish left over hash if any */
+ while (auth_len > 0) {
+ mydata[0].data32[0] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ mydata[0].data32[1] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ CVM_LOAD_MD5_UNIT(*pdata, next);
+ auth_len -= 8;
+ }
+
+
+ /* finish the hash */
+ CVMX_PREFETCH0(od->octo_hmouter);
+#if 0
+ if (unlikely(inplen)) {
+ uint64_t tmp = 0;
+ uint8_t *p = (uint8_t *) & tmp;
+ p[inplen] = 0x80;
+ do {
+ inplen--;
+ p[inplen] = ((uint8_t *) data)[inplen];
+ } while (inplen);
+ CVM_LOAD_MD5_UNIT(tmp, next);
+ } else {
+ CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
+ }
+#else
+ CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
+#endif
+
+ /* Finish Inner hash */
+ while (next != 7) {
+ CVM_LOAD_MD5_UNIT(((uint64_t) 0x0ULL), next);
+ }
+ CVMX_ES64(tmp1, ((alen + 64) << 3));
+ CVM_LOAD_MD5_UNIT(tmp1, next);
+
+ /* Get the inner hash of HMAC */
+ CVMX_MF_HSH_IV(tmp1, 0);
+ CVMX_MF_HSH_IV(tmp2, 1);
+
+ /* Initialize hash unit */
+ CVMX_MT_HSH_IV(od->octo_hmouter[0], 0);
+ CVMX_MT_HSH_IV(od->octo_hmouter[1], 1);
+
+ CVMX_MT_HSH_DAT(tmp1, 0);
+ CVMX_MT_HSH_DAT(tmp2, 1);
+ CVMX_MT_HSH_DAT(0x8000000000000000ULL, 2);
+ CVMX_MT_HSH_DATZ(3);
+ CVMX_MT_HSH_DATZ(4);
+ CVMX_MT_HSH_DATZ(5);
+ CVMX_MT_HSH_DATZ(6);
+ CVMX_ES64(tmp1, ((64 + 16) << 3));
+ CVMX_MT_HSH_STARTMD5(tmp1);
+
+ /* save the HMAC */
+ SG_INIT(sg, data32, data_i, data_l);
+ while (icv_off > 0) {
+ SG_CONSUME(sg, data32, data_i, data_l);
+ icv_off -= 4;
+ }
+ CVMX_MF_HSH_IV(tmp1, 0);
+ *data32 = (uint32_t) (tmp1 >> 32);
+ SG_CONSUME(sg, data32, data_i, data_l);
+ *data32 = (uint32_t) tmp1;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ CVMX_MF_HSH_IV(tmp1, 1);
+ *data32 = (uint32_t) (tmp1 >> 32);
+
+ octeon_crypto_disable(&state, flags);
+ return 0;
+}
+
+/****************************************************************************/
+/* AES SHA1 */
+
+int
+octo_aes_cbc_sha1_encrypt(
+ struct octo_sess *od,
+ struct scatterlist *sg, int sg_len,
+ int auth_off, int auth_len,
+ int crypt_off, int crypt_len,
+ int icv_off, uint8_t *ivp)
+{
+ register int next = 0;
+ union {
+ uint32_t data32[2];
+ uint64_t data64[1];
+ } mydata[2];
+ uint64_t *pdata = &mydata[0].data64[0];
+ uint64_t *data = &mydata[1].data64[0];
+ uint32_t *data32;
+ uint64_t tmp1, tmp2, tmp3;
+ int data_i, data_l, alen = auth_len;
+ struct octeon_cop2_state state;
+ unsigned long flags;
+
+ dprintk("%s(a_off=%d a_len=%d c_off=%d c_len=%d icv_off=%d)\n",
+ __FUNCTION__, auth_off, auth_len, crypt_off, crypt_len, icv_off);
+
+ if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
+ (crypt_off & 0x3) || (crypt_off + crypt_len > sg_len) ||
+ (crypt_len & 0x7) ||
+ (auth_len & 0x7) ||
+ (auth_off & 0x3) || (auth_off + auth_len > sg_len))) {
+ dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
+ "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
+ "icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
+ auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
+ return -EINVAL;
+ }
+
+ SG_INIT(sg, data32, data_i, data_l);
+
+ CVMX_PREFETCH0(ivp);
+ CVMX_PREFETCH0(od->octo_enckey);
+
+ flags = octeon_crypto_enable(&state);
+
+ /* load AES Key */
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
+
+ if (od->octo_encklen == 16) {
+ CVMX_MT_AES_KEY(0x0, 2);
+ CVMX_MT_AES_KEY(0x0, 3);
+ } else if (od->octo_encklen == 24) {
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
+ CVMX_MT_AES_KEY(0x0, 3);
+ } else if (od->octo_encklen == 32) {
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[3], 3);
+ } else {
+ octeon_crypto_disable(&state, flags);
+ dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
+ return -EINVAL;
+ }
+ CVMX_MT_AES_KEYLENGTH(od->octo_encklen / 8 - 1);
+
+ CVMX_MT_AES_IV(((uint64_t *) ivp)[0], 0);
+ CVMX_MT_AES_IV(((uint64_t *) ivp)[1], 1);
+
+ /* Load SHA IV */
+ CVMX_MT_HSH_IV(od->octo_hminner[0], 0);
+ CVMX_MT_HSH_IV(od->octo_hminner[1], 1);
+ CVMX_MT_HSH_IV(od->octo_hminner[2], 2);
+
+ while (crypt_off > 0 && auth_off > 0) {
+ SG_CONSUME(sg, data32, data_i, data_l);
+ crypt_off -= 4;
+ auth_off -= 4;
+ }
+
+ /* align auth and crypt */
+ while (crypt_off > 0 && auth_len > 0) {
+ mydata[0].data32[0] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ mydata[0].data32[1] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ CVM_LOAD_SHA_UNIT(*pdata, next);
+ crypt_off -= 8;
+ auth_len -= 8;
+ }
+
+ while (crypt_len > 0) {
+ uint32_t *pdata32[3];
+
+ pdata32[0] = data32;
+ mydata[0].data32[0] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ pdata32[1] = data32;
+ mydata[0].data32[1] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ pdata32[2] = data32;
+ mydata[1].data32[0] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ mydata[1].data32[1] = *data32;
+
+ CVMX_MT_AES_ENC_CBC0(*pdata);
+ CVMX_MT_AES_ENC_CBC1(*data);
+ CVMX_MF_AES_RESULT(*pdata, 0);
+ CVMX_MF_AES_RESULT(*data, 1);
+ crypt_len -= 16;
+
+ if (auth_len > 0) {
+ CVM_LOAD_SHA_UNIT(*pdata, next);
+ auth_len -= 8;
+ }
+ if (auth_len > 0) {
+ CVM_LOAD_SHA_UNIT(*data, next);
+ auth_len -= 8;
+ }
+
+ *pdata32[0] = mydata[0].data32[0];
+ *pdata32[1] = mydata[0].data32[1];
+ *pdata32[2] = mydata[1].data32[0];
+ *data32 = mydata[1].data32[1];
+
+ SG_CONSUME(sg, data32, data_i, data_l);
+ }
+
+ /* finish and hashing */
+ while (auth_len > 0) {
+ mydata[0].data32[0] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ mydata[0].data32[1] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ CVM_LOAD_SHA_UNIT(*pdata, next);
+ auth_len -= 8;
+ }
+
+ /* finish the hash */
+ CVMX_PREFETCH0(od->octo_hmouter);
+#if 0
+ if (unlikely(inplen)) {
+ uint64_t tmp = 0;
+ uint8_t *p = (uint8_t *) & tmp;
+ p[inplen] = 0x80;
+ do {
+ inplen--;
+ p[inplen] = ((uint8_t *) data)[inplen];
+ } while (inplen);
+ CVM_LOAD_SHA_UNIT(tmp, next);
+ } else {
+ CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next);
+ }
+#else
+ CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next);
+#endif
+
+ /* Finish Inner hash */
+ while (next != 7) {
+ CVM_LOAD_SHA_UNIT(((uint64_t) 0x0ULL), next);
+ }
+ CVM_LOAD_SHA_UNIT((uint64_t) ((alen + 64) << 3), next);
+
+ /* Get the inner hash of HMAC */
+ CVMX_MF_HSH_IV(tmp1, 0);
+ CVMX_MF_HSH_IV(tmp2, 1);
+ tmp3 = 0;
+ CVMX_MF_HSH_IV(tmp3, 2);
+
+ /* Initialize hash unit */
+ CVMX_MT_HSH_IV(od->octo_hmouter[0], 0);
+ CVMX_MT_HSH_IV(od->octo_hmouter[1], 1);
+ CVMX_MT_HSH_IV(od->octo_hmouter[2], 2);
+
+ CVMX_MT_HSH_DAT(tmp1, 0);
+ CVMX_MT_HSH_DAT(tmp2, 1);
+ tmp3 |= 0x0000000080000000;
+ CVMX_MT_HSH_DAT(tmp3, 2);
+ CVMX_MT_HSH_DATZ(3);
+ CVMX_MT_HSH_DATZ(4);
+ CVMX_MT_HSH_DATZ(5);
+ CVMX_MT_HSH_DATZ(6);
+ CVMX_MT_HSH_STARTSHA((uint64_t) ((64 + 20) << 3));
+
+ /* finish the hash */
+ CVMX_PREFETCH0(od->octo_hmouter);
+#if 0
+ if (unlikely(inplen)) {
+ uint64_t tmp = 0;
+ uint8_t *p = (uint8_t *) & tmp;
+ p[inplen] = 0x80;
+ do {
+ inplen--;
+ p[inplen] = ((uint8_t *) data)[inplen];
+ } while (inplen);
+ CVM_LOAD_MD5_UNIT(tmp, next);
+ } else {
+ CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
+ }
+#else
+ CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
+#endif
+
+ /* save the HMAC */
+ SG_INIT(sg, data32, data_i, data_l);
+ while (icv_off > 0) {
+ SG_CONSUME(sg, data32, data_i, data_l);
+ icv_off -= 4;
+ }
+ CVMX_MF_HSH_IV(tmp1, 0);
+ *data32 = (uint32_t) (tmp1 >> 32);
+ SG_CONSUME(sg, data32, data_i, data_l);
+ *data32 = (uint32_t) tmp1;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ CVMX_MF_HSH_IV(tmp1, 1);
+ *data32 = (uint32_t) (tmp1 >> 32);
+
+ octeon_crypto_disable(&state, flags);
+ return 0;
+}
+
+int
+octo_aes_cbc_sha1_decrypt(
+ struct octo_sess *od,
+ struct scatterlist *sg, int sg_len,
+ int auth_off, int auth_len,
+ int crypt_off, int crypt_len,
+ int icv_off, uint8_t *ivp)
+{
+ register int next = 0;
+ union {
+ uint32_t data32[2];
+ uint64_t data64[1];
+ } mydata[2];
+ uint64_t *pdata = &mydata[0].data64[0];
+ uint64_t *data = &mydata[1].data64[0];
+ uint32_t *data32;
+ uint64_t tmp1, tmp2, tmp3;
+ int data_i, data_l, alen = auth_len;
+ struct octeon_cop2_state state;
+ unsigned long flags;
+
+ dprintk("%s(a_off=%d a_len=%d c_off=%d c_len=%d icv_off=%d)\n",
+ __FUNCTION__, auth_off, auth_len, crypt_off, crypt_len, icv_off);
+
+ if (unlikely(od == NULL || sg==NULL || sg_len==0 || ivp==NULL ||
+ (crypt_off & 0x3) || (crypt_off + crypt_len > sg_len) ||
+ (crypt_len & 0x7) ||
+ (auth_len & 0x7) ||
+ (auth_off & 0x3) || (auth_off + auth_len > sg_len))) {
+ dprintk("%s: Bad parameters od=%p sg=%p sg_len=%d "
+ "auth_off=%d auth_len=%d crypt_off=%d crypt_len=%d "
+ "icv_off=%d ivp=%p\n", __FUNCTION__, od, sg, sg_len,
+ auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
+ return -EINVAL;
+ }
+
+ SG_INIT(sg, data32, data_i, data_l);
+
+ CVMX_PREFETCH0(ivp);
+ CVMX_PREFETCH0(od->octo_enckey);
+
+ flags = octeon_crypto_enable(&state);
+
+ /* load AES Key */
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[0], 0);
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[1], 1);
+
+ if (od->octo_encklen == 16) {
+ CVMX_MT_AES_KEY(0x0, 2);
+ CVMX_MT_AES_KEY(0x0, 3);
+ } else if (od->octo_encklen == 24) {
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
+ CVMX_MT_AES_KEY(0x0, 3);
+ } else if (od->octo_encklen == 32) {
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[2], 2);
+ CVMX_MT_AES_KEY(((uint64_t *) od->octo_enckey)[3], 3);
+ } else {
+ octeon_crypto_disable(&state, flags);
+ dprintk("%s: Bad key length %d\n", __FUNCTION__, od->octo_encklen);
+ return -EINVAL;
+ }
+ CVMX_MT_AES_KEYLENGTH(od->octo_encklen / 8 - 1);
+
+ CVMX_MT_AES_IV(((uint64_t *) ivp)[0], 0);
+ CVMX_MT_AES_IV(((uint64_t *) ivp)[1], 1);
+
+ /* Load SHA1 IV */
+ CVMX_MT_HSH_IV(od->octo_hminner[0], 0);
+ CVMX_MT_HSH_IV(od->octo_hminner[1], 1);
+ CVMX_MT_HSH_IV(od->octo_hminner[2], 2);
+
+ while (crypt_off > 0 && auth_off > 0) {
+ SG_CONSUME(sg, data32, data_i, data_l);
+ crypt_off -= 4;
+ auth_off -= 4;
+ }
+
+ /* align auth and crypt */
+ while (crypt_off > 0 && auth_len > 0) {
+ mydata[0].data32[0] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ mydata[0].data32[1] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ CVM_LOAD_SHA_UNIT(*pdata, next);
+ crypt_off -= 8;
+ auth_len -= 8;
+ }
+
+ while (crypt_len > 0) {
+ uint32_t *pdata32[3];
+
+ pdata32[0] = data32;
+ mydata[0].data32[0] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ pdata32[1] = data32;
+ mydata[0].data32[1] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ pdata32[2] = data32;
+ mydata[1].data32[0] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ mydata[1].data32[1] = *data32;
+
+ if (auth_len > 0) {
+ CVM_LOAD_SHA_UNIT(*pdata, next);
+ auth_len -= 8;
+ }
+ if (auth_len > 0) {
+ CVM_LOAD_SHA_UNIT(*data, next);
+ auth_len -= 8;
+ }
+
+ CVMX_MT_AES_DEC_CBC0(*pdata);
+ CVMX_MT_AES_DEC_CBC1(*data);
+ CVMX_MF_AES_RESULT(*pdata, 0);
+ CVMX_MF_AES_RESULT(*data, 1);
+ crypt_len -= 16;
+
+ *pdata32[0] = mydata[0].data32[0];
+ *pdata32[1] = mydata[0].data32[1];
+ *pdata32[2] = mydata[1].data32[0];
+ *data32 = mydata[1].data32[1];
+
+ SG_CONSUME(sg, data32, data_i, data_l);
+ }
+
+ /* finish and leftover hashing */
+ while (auth_len > 0) {
+ mydata[0].data32[0] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ mydata[0].data32[1] = *data32;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ CVM_LOAD_SHA_UNIT(*pdata, next);
+ auth_len -= 8;
+ }
+
+ /* finish the hash */
+ CVMX_PREFETCH0(od->octo_hmouter);
+#if 0
+ if (unlikely(inplen)) {
+ uint64_t tmp = 0;
+ uint8_t *p = (uint8_t *) & tmp;
+ p[inplen] = 0x80;
+ do {
+ inplen--;
+ p[inplen] = ((uint8_t *) data)[inplen];
+ } while (inplen);
+ CVM_LOAD_SHA_UNIT(tmp, next);
+ } else {
+ CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next);
+ }
+#else
+ CVM_LOAD_SHA_UNIT(0x8000000000000000ULL, next);
+#endif
+
+ /* Finish Inner hash */
+ while (next != 7) {
+ CVM_LOAD_SHA_UNIT(((uint64_t) 0x0ULL), next);
+ }
+ CVM_LOAD_SHA_UNIT((uint64_t) ((alen + 64) << 3), next);
+
+ /* Get the inner hash of HMAC */
+ CVMX_MF_HSH_IV(tmp1, 0);
+ CVMX_MF_HSH_IV(tmp2, 1);
+ tmp3 = 0;
+ CVMX_MF_HSH_IV(tmp3, 2);
+
+ /* Initialize hash unit */
+ CVMX_MT_HSH_IV(od->octo_hmouter[0], 0);
+ CVMX_MT_HSH_IV(od->octo_hmouter[1], 1);
+ CVMX_MT_HSH_IV(od->octo_hmouter[2], 2);
+
+ CVMX_MT_HSH_DAT(tmp1, 0);
+ CVMX_MT_HSH_DAT(tmp2, 1);
+ tmp3 |= 0x0000000080000000;
+ CVMX_MT_HSH_DAT(tmp3, 2);
+ CVMX_MT_HSH_DATZ(3);
+ CVMX_MT_HSH_DATZ(4);
+ CVMX_MT_HSH_DATZ(5);
+ CVMX_MT_HSH_DATZ(6);
+ CVMX_MT_HSH_STARTSHA((uint64_t) ((64 + 20) << 3));
+
+ /* finish the hash */
+ CVMX_PREFETCH0(od->octo_hmouter);
+#if 0
+ if (unlikely(inplen)) {
+ uint64_t tmp = 0;
+ uint8_t *p = (uint8_t *) & tmp;
+ p[inplen] = 0x80;
+ do {
+ inplen--;
+ p[inplen] = ((uint8_t *) data)[inplen];
+ } while (inplen);
+ CVM_LOAD_MD5_UNIT(tmp, next);
+ } else {
+ CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
+ }
+#else
+ CVM_LOAD_MD5_UNIT(0x8000000000000000ULL, next);
+#endif
+
+ /* save the HMAC */
+ SG_INIT(sg, data32, data_i, data_l);
+ while (icv_off > 0) {
+ SG_CONSUME(sg, data32, data_i, data_l);
+ icv_off -= 4;
+ }
+ CVMX_MF_HSH_IV(tmp1, 0);
+ *data32 = (uint32_t) (tmp1 >> 32);
+ SG_CONSUME(sg, data32, data_i, data_l);
+ *data32 = (uint32_t) tmp1;
+ SG_CONSUME(sg, data32, data_i, data_l);
+ CVMX_MF_HSH_IV(tmp1, 1);
+ *data32 = (uint32_t) (tmp1 >> 32);
+
+ octeon_crypto_disable(&state, flags);
+ return 0;
+}
+
+/****************************************************************************/
diff --git a/target/linux/generic/files/crypto/ocf/cryptocteon/cryptocteon.c b/target/linux/generic/files/crypto/ocf/cryptocteon/cryptocteon.c
new file mode 100644
index 000000000..0168ad321
--- /dev/null
+++ b/target/linux/generic/files/crypto/ocf/cryptocteon/cryptocteon.c
@@ -0,0 +1,576 @@
+/*
+ * Octeon Crypto for OCF
+ *
+ * Written by David McCullough <david_mccullough@mcafee.com>
+ * Copyright (C) 2009-2010 David McCullough
+ *
+ * LICENSE TERMS
+ *
+ * The free distribution and use of this software in both source and binary
+ * form is allowed (with or without changes) provided that:
+ *
+ * 1. distributions of this source code include the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ *
+ * 2. distributions in binary form include the above copyright
+ * notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other associated materials;
+ *
+ * 3. the copyright holder's name is not used to endorse products
+ * built using this software without specific written permission.
+ *
+ * DISCLAIMER
+ *
+ * This software is provided 'as is' with no explicit or implied warranties
+ * in respect of its properties, including, but not limited to, correctness
+ * and/or fitness for purpose.
+ * ---------------------------------------------------------------------------
+ */
+
+#include <linux/version.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38) && !defined(AUTOCONF_INCLUDED)
+#include <linux/config.h>
+#endif
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/list.h>
+#include <linux/slab.h>
+#include <linux/sched.h>
+#include <linux/wait.h>
+#include <linux/crypto.h>
+#include <linux/mm.h>
+#include <linux/skbuff.h>
+#include <linux/random.h>
+#include <linux/scatterlist.h>
+
+#include <cryptodev.h>
+#include <uio.h>
+
+struct {
+ softc_device_decl sc_dev;
+} octo_softc;
+
+#define offset_in_page(p) ((unsigned long)(p) & ~PAGE_MASK)
+
+struct octo_sess {
+ int octo_encalg;
+ #define MAX_CIPHER_KEYLEN 64
+ char octo_enckey[MAX_CIPHER_KEYLEN];
+ int octo_encklen;
+
+ int octo_macalg;
+ #define MAX_HASH_KEYLEN 64
+ char octo_mackey[MAX_HASH_KEYLEN];
+ int octo_macklen;
+ int octo_mackey_set;
+
+ int octo_mlen;
+ int octo_ivsize;
+
+ int (*octo_encrypt)(struct octo_sess *od,
+ struct scatterlist *sg, int sg_len,
+ int auth_off, int auth_len,
+ int crypt_off, int crypt_len,
+ int icv_off, uint8_t *ivp);
+ int (*octo_decrypt)(struct octo_sess *od,
+ struct scatterlist *sg, int sg_len,
+ int auth_off, int auth_len,
+ int crypt_off, int crypt_len,
+ int icv_off, uint8_t *ivp);
+
+ uint64_t octo_hminner[3];
+ uint64_t octo_hmouter[3];
+};
+
+int32_t octo_id = -1;
+module_param(octo_id, int, 0444);
+MODULE_PARM_DESC(octo_id, "Read-Only OCF ID for cryptocteon driver");
+
+static struct octo_sess **octo_sessions = NULL;
+static u_int32_t octo_sesnum = 0;
+
+static int octo_process(device_t, struct cryptop *, int);
+static int octo_newsession(device_t, u_int32_t *, struct cryptoini *);
+static int octo_freesession(device_t, u_int64_t);
+
+static device_method_t octo_methods = {
+ /* crypto device methods */
+ DEVMETHOD(cryptodev_newsession, octo_newsession),
+ DEVMETHOD(cryptodev_freesession,octo_freesession),
+ DEVMETHOD(cryptodev_process, octo_process),
+};
+
+#define debug octo_debug
+int octo_debug = 0;
+module_param(octo_debug, int, 0644);
+MODULE_PARM_DESC(octo_debug, "Enable debug");
+
+
+#include "cavium_crypto.c"
+
+
+/*
+ * Generate a new octo session. We artifically limit it to a single
+ * hash/cipher or hash-cipher combo just to make it easier, most callers
+ * do not expect more than this anyway.
+ */
+static int
+octo_newsession(device_t dev, u_int32_t *sid, struct cryptoini *cri)
+{
+ struct cryptoini *c, *encini = NULL, *macini = NULL;
+ struct octo_sess **ocd;
+ int i;
+
+ dprintk("%s()\n", __FUNCTION__);
+ if (sid == NULL || cri == NULL) {
+ dprintk("%s,%d - EINVAL\n", __FILE__, __LINE__);
+ return EINVAL;
+ }
+
+ /*
+ * To keep it simple, we only handle hash, cipher or hash/cipher in a
+ * session, you cannot currently do multiple ciphers/hashes in one
+ * session even though it would be possibel to code this driver to
+ * handle it.
+ */
+ for (i = 0, c = cri; c && i < 2; i++) {
+ if (c->cri_alg == CRYPTO_MD5_HMAC ||
+ c->cri_alg == CRYPTO_SHA1_HMAC ||
+ c->cri_alg == CRYPTO_NULL_HMAC) {
+ if (macini) {
+ break;
+ }
+ macini = c;
+ }
+ if (c->cri_alg == CRYPTO_DES_CBC ||
+ c->cri_alg == CRYPTO_3DES_CBC ||
+ c->cri_alg == CRYPTO_AES_CBC ||
+ c->cri_alg == CRYPTO_NULL_CBC) {
+ if (encini) {
+ break;
+ }
+ encini = c;
+ }
+ c = c->cri_next;
+ }
+ if (!macini && !encini) {
+ dprintk("%s,%d - EINVAL bad cipher/hash or combination\n",
+ __FILE__, __LINE__);
+ return EINVAL;
+ }
+ if (c) {
+ dprintk("%s,%d - EINVAL cannot handle chained cipher/hash combos\n",
+ __FILE__, __LINE__);
+ return EINVAL;
+ }
+
+ /*
+ * So we have something we can do, lets setup the session
+ */
+
+ if (octo_sessions) {
+ for (i = 1; i < octo_sesnum; i++)
+ if (octo_sessions[i] == NULL)
+ break;
+ } else
+ i = 1; /* NB: to silence compiler warning */
+
+ if (octo_sessions == NULL || i == octo_sesnum) {
+ if (octo_sessions == NULL) {
+ i = 1; /* We leave octo_sessions[0] empty */
+ octo_sesnum = CRYPTO_SW_SESSIONS;
+ } else
+ octo_sesnum *= 2;
+
+ ocd = kmalloc(octo_sesnum * sizeof(struct octo_sess *), SLAB_ATOMIC);
+ if (ocd == NULL) {
+ /* Reset session number */
+ if (octo_sesnum == CRYPTO_SW_SESSIONS)
+ octo_sesnum = 0;
+ else
+ octo_sesnum /= 2;
+ dprintk("%s,%d: ENOBUFS\n", __FILE__, __LINE__);
+ return ENOBUFS;
+ }
+ memset(ocd, 0, octo_sesnum * sizeof(struct octo_sess *));
+
+ /* Copy existing sessions */
+ if (octo_sessions) {
+ memcpy(ocd, octo_sessions,
+ (octo_sesnum / 2) * sizeof(struct octo_sess *));
+ kfree(octo_sessions);
+ }
+
+ octo_sessions = ocd;
+ }
+
+ ocd = &octo_sessions[i];
+ *sid = i;
+
+
+ *ocd = (struct octo_sess *) kmalloc(sizeof(struct octo_sess), SLAB_ATOMIC);
+ if (*ocd == NULL) {
+ octo_freesession(NULL, i);
+ dprintk("%s,%d: ENOBUFS\n", __FILE__, __LINE__);
+ return ENOBUFS;
+ }
+ memset(*ocd, 0, sizeof(struct octo_sess));
+
+ if (encini && encini->cri_key) {
+ (*ocd)->octo_encklen = (encini->cri_klen + 7) / 8;
+ memcpy((*ocd)->octo_enckey, encini->cri_key, (*ocd)->octo_encklen);
+ }
+
+ if (macini && macini->cri_key) {
+ (*ocd)->octo_macklen = (macini->cri_klen + 7) / 8;
+ memcpy((*ocd)->octo_mackey, macini->cri_key, (*ocd)->octo_macklen);
+ }
+
+ (*ocd)->octo_mlen = 0;
+ if (encini && encini->cri_mlen)
+ (*ocd)->octo_mlen = encini->cri_mlen;
+ else if (macini && macini->cri_mlen)
+ (*ocd)->octo_mlen = macini->cri_mlen;
+ else
+ (*ocd)->octo_mlen = 12;
+
+ /*
+ * point c at the enc if it exists, otherwise the mac
+ */
+ c = encini ? encini : macini;
+
+ switch (c->cri_alg) {
+ case CRYPTO_DES_CBC:
+ case CRYPTO_3DES_CBC:
+ (*ocd)->octo_ivsize = 8;
+ switch (macini ? macini->cri_alg : -1) {
+ case CRYPTO_MD5_HMAC:
+ (*ocd)->octo_encrypt = octo_des_cbc_md5_encrypt;
+ (*ocd)->octo_decrypt = octo_des_cbc_md5_decrypt;
+ octo_calc_hash(0, macini->cri_key, (*ocd)->octo_hminner,
+ (*ocd)->octo_hmouter);
+ break;
+ case CRYPTO_SHA1_HMAC:
+ (*ocd)->octo_encrypt = octo_des_cbc_sha1_encrypt;
+ (*ocd)->octo_decrypt = octo_des_cbc_sha1_decrypt;
+ octo_calc_hash(1, macini->cri_key, (*ocd)->octo_hminner,
+ (*ocd)->octo_hmouter);
+ break;
+ case -1:
+ (*ocd)->octo_encrypt = octo_des_cbc_encrypt;
+ (*ocd)->octo_decrypt = octo_des_cbc_decrypt;
+ break;
+ default:
+ octo_freesession(NULL, i);
+ dprintk("%s,%d: EINVALn", __FILE__, __LINE__);
+ return EINVAL;
+ }
+ break;
+ case CRYPTO_AES_CBC:
+ (*ocd)->octo_ivsize = 16;
+ switch (macini ? macini->cri_alg : -1) {
+ case CRYPTO_MD5_HMAC:
+ (*ocd)->octo_encrypt = octo_aes_cbc_md5_encrypt;
+ (*ocd)->octo_decrypt = octo_aes_cbc_md5_decrypt;
+ octo_calc_hash(0, macini->cri_key, (*ocd)->octo_hminner,
+ (*ocd)->octo_hmouter);
+ break;
+ case CRYPTO_SHA1_HMAC:
+ (*ocd)->octo_encrypt = octo_aes_cbc_sha1_encrypt;
+ (*ocd)->octo_decrypt = octo_aes_cbc_sha1_decrypt;
+ octo_calc_hash(1, macini->cri_key, (*ocd)->octo_hminner,
+ (*ocd)->octo_hmouter);
+ break;
+ case -1:
+ (*ocd)->octo_encrypt = octo_aes_cbc_encrypt;
+ (*ocd)->octo_decrypt = octo_aes_cbc_decrypt;
+ break;
+ default:
+ octo_freesession(NULL, i);
+ dprintk("%s,%d: EINVALn", __FILE__, __LINE__);
+ return EINVAL;
+ }
+ break;
+ case CRYPTO_MD5_HMAC:
+ (*ocd)->octo_encrypt = octo_null_md5_encrypt;
+ (*ocd)->octo_decrypt = octo_null_md5_encrypt; /* encrypt == decrypt */
+ octo_calc_hash(0, macini->cri_key, (*ocd)->octo_hminner,
+ (*ocd)->octo_hmouter);
+ break;
+ case CRYPTO_SHA1_HMAC:
+ (*ocd)->octo_encrypt = octo_null_sha1_encrypt;
+ (*ocd)->octo_decrypt = octo_null_sha1_encrypt; /* encrypt == decrypt */
+ octo_calc_hash(1, macini->cri_key, (*ocd)->octo_hminner,
+ (*ocd)->octo_hmouter);
+ break;
+ default:
+ octo_freesession(NULL, i);
+ dprintk("%s,%d: EINVALn", __FILE__, __LINE__);
+ return EINVAL;
+ }
+
+ (*ocd)->octo_encalg = encini ? encini->cri_alg : -1;
+ (*ocd)->octo_macalg = macini ? macini->cri_alg : -1;
+
+ return 0;
+}
+
+/*
+ * Free a session.
+ */
+static int
+octo_freesession(device_t dev, u_int64_t tid)
+{
+ u_int32_t sid = CRYPTO_SESID2LID(tid);
+
+ dprintk("%s()\n", __FUNCTION__);
+ if (sid > octo_sesnum || octo_sessions == NULL ||
+ octo_sessions[sid] == NULL) {
+ dprintk("%s,%d: EINVAL\n", __FILE__, __LINE__);
+ return(EINVAL);
+ }
+
+ /* Silently accept and return */
+ if (sid == 0)
+ return(0);
+
+ if (octo_sessions[sid])
+ kfree(octo_sessions[sid]);
+ octo_sessions[sid] = NULL;
+ return 0;
+}
+
+/*
+ * Process a request.
+ */
+static int
+octo_process(device_t dev, struct cryptop *crp, int hint)
+{
+ struct cryptodesc *crd;
+ struct octo_sess *od;
+ u_int32_t lid;
+#define SCATTERLIST_MAX 16
+ struct scatterlist sg[SCATTERLIST_MAX];
+ int sg_num, sg_len;
+ struct sk_buff *skb = NULL;
+ struct uio *uiop = NULL;
+ struct cryptodesc *enccrd = NULL, *maccrd = NULL;
+ unsigned char *ivp = NULL;
+ unsigned char iv_data[HASH_MAX_LEN];
+ int auth_off = 0, auth_len = 0, crypt_off = 0, crypt_len = 0, icv_off = 0;
+
+ dprintk("%s()\n", __FUNCTION__);
+ /* Sanity check */
+ if (crp == NULL) {
+ dprintk("%s,%d: EINVAL\n", __FILE__, __LINE__);
+ return EINVAL;
+ }
+
+ crp->crp_etype = 0;
+
+ if (crp->crp_desc == NULL || crp->crp_buf == NULL) {
+ dprintk("%s,%d: EINVAL\n", __FILE__, __LINE__);
+ crp->crp_etype = EINVAL;
+ goto done;
+ }
+
+ lid = crp->crp_sid & 0xffffffff;
+ if (lid >= octo_sesnum || lid == 0 || octo_sessions == NULL ||
+ octo_sessions[lid] == NULL) {
+ crp->crp_etype = ENOENT;
+ dprintk("%s,%d: ENOENT\n", __FILE__, __LINE__);
+ goto done;
+ }
+ od = octo_sessions[lid];
+
+ /*
+ * do some error checking outside of the loop for SKB and IOV processing
+ * this leaves us with valid skb or uiop pointers for later
+ */
+ if (crp->crp_flags & CRYPTO_F_SKBUF) {
+ skb = (struct sk_buff *) crp->crp_buf;
+ if (skb_shinfo(skb)->nr_frags >= SCATTERLIST_MAX) {
+ printk("%s,%d: %d nr_frags > SCATTERLIST_MAX", __FILE__, __LINE__,
+ skb_shinfo(skb)->nr_frags);
+ goto done;
+ }
+ } else if (crp->crp_flags & CRYPTO_F_IOV) {
+ uiop = (struct uio *) crp->crp_buf;
+ if (uiop->uio_iovcnt > SCATTERLIST_MAX) {
+ printk("%s,%d: %d uio_iovcnt > SCATTERLIST_MAX", __FILE__, __LINE__,
+ uiop->uio_iovcnt);
+ goto done;
+ }
+ }
+
+ /* point our enccrd and maccrd appropriately */
+ crd = crp->crp_desc;
+ if (crd->crd_alg == od->octo_encalg) enccrd = crd;
+ if (crd->crd_alg == od->octo_macalg) maccrd = crd;
+ crd = crd->crd_next;
+ if (crd) {
+ if (crd->crd_alg == od->octo_encalg) enccrd = crd;
+ if (crd->crd_alg == od->octo_macalg) maccrd = crd;
+ crd = crd->crd_next;
+ }
+ if (crd) {
+ crp->crp_etype = EINVAL;
+ dprintk("%s,%d: ENOENT - descriptors do not match session\n",
+ __FILE__, __LINE__);
+ goto done;
+ }
+
+ if (enccrd) {
+ if (enccrd->crd_flags & CRD_F_ENCRYPT) {
+ if (enccrd->crd_flags & CRD_F_IV_EXPLICIT)
+ ivp = enccrd->crd_iv;
+ else
+ read_random((ivp = iv_data), od->octo_ivsize);
+ if ((enccrd->crd_flags & CRD_F_IV_PRESENT) == 0)
+ crypto_copyback(crp->crp_flags, crp->crp_buf,
+ enccrd->crd_inject, od->octo_ivsize, ivp);
+ } else {
+ if (enccrd->crd_flags & CRD_F_IV_EXPLICIT) {
+ ivp = enccrd->crd_iv;
+ } else {
+ ivp = iv_data;
+ crypto_copydata(crp->crp_flags, crp->crp_buf,
+ enccrd->crd_inject, od->octo_ivsize, (caddr_t) ivp);
+ }
+ }
+
+ if (maccrd) {
+ auth_off = maccrd->crd_skip;
+ auth_len = maccrd->crd_len;
+ icv_off = maccrd->crd_inject;
+ }
+
+ crypt_off = enccrd->crd_skip;
+ crypt_len = enccrd->crd_len;
+ } else { /* if (maccrd) */
+ auth_off = maccrd->crd_skip;
+ auth_len = maccrd->crd_len;
+ icv_off = maccrd->crd_inject;
+ }
+
+
+ /*
+ * setup the SG list to cover the buffer
+ */
+ memset(sg, 0, sizeof(sg));
+ if (crp->crp_flags & CRYPTO_F_SKBUF) {
+ int i, len;
+
+ sg_num = 0;
+ sg_len = 0;
+
+ len = skb_headlen(skb);
+ sg_set_page(&sg[sg_num], virt_to_page(skb->data), len,
+ offset_in_page(skb->data));
+ sg_len += len;
+ sg_num++;
+
+ for (i = 0; i < skb_shinfo(skb)->nr_frags && sg_num < SCATTERLIST_MAX;
+ i++) {
+ len = skb_shinfo(skb)->frags[i].size;
+ sg_set_page(&sg[sg_num], skb_frag_page(&skb_shinfo(skb)->frags[i]),
+ len, skb_shinfo(skb)->frags[i].page_offset);
+ sg_len += len;
+ sg_num++;
+ }
+ } else if (crp->crp_flags & CRYPTO_F_IOV) {
+ int len;
+
+ sg_len = 0;
+ for (sg_num = 0; sg_len < crp->crp_ilen &&
+ sg_num < uiop->uio_iovcnt &&
+ sg_num < SCATTERLIST_MAX; sg_num++) {
+ len = uiop->uio_iov[sg_num].iov_len;
+ sg_set_page(&sg[sg_num],
+ virt_to_page(uiop->uio_iov[sg_num].iov_base), len,
+ offset_in_page(uiop->uio_iov[sg_num].iov_base));
+ sg_len += len;
+ }
+ } else {
+ sg_len = crp->crp_ilen;
+ sg_set_page(&sg[0], virt_to_page(crp->crp_buf), sg_len,
+ offset_in_page(crp->crp_buf));
+ sg_num = 1;
+ }
+ if (sg_num > 0)
+ sg_mark_end(&sg[sg_num-1]);
+
+ /*
+ * setup a new explicit key
+ */
+ if (enccrd) {
+ if (enccrd->crd_flags & CRD_F_KEY_EXPLICIT) {
+ od->octo_encklen = (enccrd->crd_klen + 7) / 8;
+ memcpy(od->octo_enckey, enccrd->crd_key, od->octo_encklen);
+ }
+ }
+ if (maccrd) {
+ if (maccrd->crd_flags & CRD_F_KEY_EXPLICIT) {
+ od->octo_macklen = (maccrd->crd_klen + 7) / 8;
+ memcpy(od->octo_mackey, maccrd->crd_key, od->octo_macklen);
+ od->octo_mackey_set = 0;
+ }
+ if (!od->octo_mackey_set) {
+ octo_calc_hash(maccrd->crd_alg == CRYPTO_MD5_HMAC ? 0 : 1,
+ maccrd->crd_key, od->octo_hminner, od->octo_hmouter);
+ od->octo_mackey_set = 1;
+ }
+ }
+
+
+ if (!enccrd || (enccrd->crd_flags & CRD_F_ENCRYPT))
+ (*od->octo_encrypt)(od, sg, sg_len,
+ auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
+ else
+ (*od->octo_decrypt)(od, sg, sg_len,
+ auth_off, auth_len, crypt_off, crypt_len, icv_off, ivp);
+
+done:
+ crypto_done(crp);
+ return 0;
+}
+
+static int
+cryptocteon_init(void)
+{
+ dprintk("%s(%p)\n", __FUNCTION__, cryptocteon_init);
+
+ softc_device_init(&octo_softc, "cryptocteon", 0, octo_methods);
+
+ octo_id = crypto_get_driverid(softc_get_device(&octo_softc),
+ CRYPTOCAP_F_HARDWARE | CRYPTOCAP_F_SYNC);
+ if (octo_id < 0) {
+ printk("Cryptocteon device cannot initialize!");
+ return -ENODEV;
+ }
+
+ crypto_register(octo_id, CRYPTO_MD5_HMAC, 0,0);
+ crypto_register(octo_id, CRYPTO_SHA1_HMAC, 0,0);
+ //crypto_register(octo_id, CRYPTO_MD5, 0,0);
+ //crypto_register(octo_id, CRYPTO_SHA1, 0,0);
+ crypto_register(octo_id, CRYPTO_DES_CBC, 0,0);
+ crypto_register(octo_id, CRYPTO_3DES_CBC, 0,0);
+ crypto_register(octo_id, CRYPTO_AES_CBC, 0,0);
+
+ return(0);
+}
+
+static void
+cryptocteon_exit(void)
+{
+ dprintk("%s()\n", __FUNCTION__);
+ crypto_unregister_all(octo_id);
+ octo_id = -1;
+}
+
+module_init(cryptocteon_init);
+module_exit(cryptocteon_exit);
+
+MODULE_LICENSE("BSD");
+MODULE_AUTHOR("David McCullough <david_mccullough@mcafee.com>");
+MODULE_DESCRIPTION("Cryptocteon (OCF module for Cavium OCTEON crypto)");
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 16:10:51 +0000