--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2020 Broadcom
+ * All rights reserved.
+ */
+
+#include <stdbool.h>
+
+#include <rte_byteorder.h>
+#include <rte_crypto_sym.h>
+#include <rte_cryptodev.h>
+#include <rte_mbuf.h>
+#include <rte_mempool.h>
+
+#include "bcmfs_sym_defs.h"
+#include "bcmfs_sym_engine.h"
+#include "bcmfs_sym_req.h"
+#include "bcmfs_sym_session.h"
+
+/** Process cipher operation */
+static int
+process_crypto_cipher_op(struct rte_crypto_op *op,
+ struct rte_mbuf *mbuf_src,
+ struct rte_mbuf *mbuf_dst,
+ struct bcmfs_sym_session *sess,
+ struct bcmfs_sym_request *req)
+{
+ int rc = 0;
+ struct fsattr src, dst, iv, key;
+ struct rte_crypto_sym_op *sym_op = op->sym;
+
+ fsattr_sz(&src) = sym_op->cipher.data.length;
+ fsattr_sz(&dst) = sym_op->cipher.data.length;
+
+ fsattr_va(&src) = rte_pktmbuf_mtod_offset
+ (mbuf_src,
+ uint8_t *,
+ op->sym->cipher.data.offset);
+
+ fsattr_va(&dst) = rte_pktmbuf_mtod_offset
+ (mbuf_dst,
+ uint8_t *,
+ op->sym->cipher.data.offset);
+
+ fsattr_pa(&src) = rte_pktmbuf_iova(mbuf_src);
+ fsattr_pa(&dst) = rte_pktmbuf_iova(mbuf_dst);
+
+ fsattr_va(&iv) = rte_crypto_op_ctod_offset(op,
+ uint8_t *,
+ sess->cipher.iv.offset);
+
+ fsattr_sz(&iv) = sess->cipher.iv.length;
+
+ fsattr_va(&key) = sess->cipher.key.data;
+ fsattr_pa(&key) = 0;
+ fsattr_sz(&key) = sess->cipher.key.length;
+
+ rc = bcmfs_crypto_build_cipher_req(req, sess->cipher.algo,
+ sess->cipher.op, &src,
+ &dst, &key, &iv);
+ if (rc)
+ op->status = RTE_CRYPTO_OP_STATUS_ERROR;
+
+ return rc;
+}
+
+/** Process auth operation */
+static int
+process_crypto_auth_op(struct rte_crypto_op *op,
+ struct rte_mbuf *mbuf_src,
+ struct bcmfs_sym_session *sess,
+ struct bcmfs_sym_request *req)
+{
+ int rc = 0;
+ struct fsattr src, dst, mac, key, iv;
+
+ fsattr_sz(&src) = op->sym->auth.data.length;
+ fsattr_va(&src) = rte_pktmbuf_mtod_offset(mbuf_src,
+ uint8_t *,
+ op->sym->auth.data.offset);
+ fsattr_pa(&src) = rte_pktmbuf_iova(mbuf_src);
+
+ if (!sess->auth.op) {
+ fsattr_va(&mac) = op->sym->auth.digest.data;
+ fsattr_pa(&mac) = op->sym->auth.digest.phys_addr;
+ fsattr_sz(&mac) = sess->auth.digest_length;
+ } else {
+ fsattr_va(&dst) = op->sym->auth.digest.data;
+ fsattr_pa(&dst) = op->sym->auth.digest.phys_addr;
+ fsattr_sz(&dst) = sess->auth.digest_length;
+ }
+
+ fsattr_va(&key) = sess->auth.key.data;
+ fsattr_pa(&key) = 0;
+ fsattr_sz(&key) = sess->auth.key.length;
+
+ /* AES-GMAC uses AES-GCM-128 authenticator */
+ if (sess->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC) {
+ fsattr_va(&iv) = rte_crypto_op_ctod_offset(op,
+ uint8_t *,
+ sess->auth.iv.offset);
+ fsattr_pa(&iv) = 0;
+ fsattr_sz(&iv) = sess->auth.iv.length;
+ } else {
+ fsattr_va(&iv) = NULL;
+ fsattr_sz(&iv) = 0;
+ }
+
+ rc = bcmfs_crypto_build_auth_req(req, sess->auth.algo,
+ sess->auth.op,
+ &src,
+ (sess->auth.op) ? (&dst) : NULL,
+ (sess->auth.op) ? NULL : (&mac),
+ &key, &iv);
+
+ if (rc)
+ op->status = RTE_CRYPTO_OP_STATUS_ERROR;
+
+ return rc;
+}
+
+/** Process combined/chained mode operation */
+static int
+process_crypto_combined_op(struct rte_crypto_op *op,
+ struct rte_mbuf *mbuf_src,
+ struct rte_mbuf *mbuf_dst,
+ struct bcmfs_sym_session *sess,
+ struct bcmfs_sym_request *req)
+{
+ int rc = 0, aad_size = 0;
+ struct fsattr src, dst, iv;
+ struct rte_crypto_sym_op *sym_op = op->sym;
+ struct fsattr cipher_key, aad, mac, auth_key;
+
+ fsattr_sz(&src) = sym_op->cipher.data.length;
+ fsattr_sz(&dst) = sym_op->cipher.data.length;
+
+ fsattr_va(&src) = rte_pktmbuf_mtod_offset
+ (mbuf_src,
+ uint8_t *,
+ sym_op->cipher.data.offset);
+
+ fsattr_va(&dst) = rte_pktmbuf_mtod_offset
+ (mbuf_dst,
+ uint8_t *,
+ sym_op->cipher.data.offset);
+
+ fsattr_pa(&src) = rte_pktmbuf_iova_offset(mbuf_src,
+ sym_op->cipher.data.offset);
+ fsattr_pa(&dst) = rte_pktmbuf_iova_offset(mbuf_dst,
+ sym_op->cipher.data.offset);
+
+ fsattr_va(&iv) = rte_crypto_op_ctod_offset(op,
+ uint8_t *,
+ sess->cipher.iv.offset);
+
+ fsattr_pa(&iv) = 0;
+ fsattr_sz(&iv) = sess->cipher.iv.length;
+
+ fsattr_va(&cipher_key) = sess->cipher.key.data;
+ fsattr_pa(&cipher_key) = 0;
+ fsattr_sz(&cipher_key) = sess->cipher.key.length;
+
+ fsattr_va(&auth_key) = sess->auth.key.data;
+ fsattr_pa(&auth_key) = 0;
+ fsattr_sz(&auth_key) = sess->auth.key.length;
+
+ fsattr_va(&mac) = op->sym->auth.digest.data;
+ fsattr_pa(&mac) = op->sym->auth.digest.phys_addr;
+ fsattr_sz(&mac) = sess->auth.digest_length;
+
+ aad_size = sym_op->auth.data.length - sym_op->cipher.data.length;
+
+ if (aad_size > 0) {
+ fsattr_sz(&aad) = aad_size;
+ fsattr_va(&aad) = rte_pktmbuf_mtod_offset
+ (mbuf_src,
+ uint8_t *,
+ sym_op->auth.data.offset);
+ fsattr_pa(&aad) = rte_pktmbuf_iova_offset(mbuf_src,
+ sym_op->auth.data.offset);
+ }
+
+ rc = bcmfs_crypto_build_chain_request(req, sess->cipher.algo,
+ sess->cipher.op,
+ sess->auth.algo,
+ sess->auth.op,
+ &src, &dst, &cipher_key,
+ &auth_key, &iv,
+ (aad_size > 0) ? (&aad) : NULL,
+ &mac, sess->cipher_first);
+
+ if (rc)
+ op->status = RTE_CRYPTO_OP_STATUS_ERROR;
+
+ return rc;
+}
+
+/** Process AEAD operation */
+static int
+process_crypto_aead_op(struct rte_crypto_op *op,
+ struct rte_mbuf *mbuf_src,
+ struct rte_mbuf *mbuf_dst,
+ struct bcmfs_sym_session *sess,
+ struct bcmfs_sym_request *req)
+{
+ int rc = 0;
+ struct fsattr src, dst, iv;
+ struct rte_crypto_sym_op *sym_op = op->sym;
+ struct fsattr key, aad, mac;
+
+ fsattr_sz(&src) = sym_op->aead.data.length;
+ fsattr_sz(&dst) = sym_op->aead.data.length;
+
+ fsattr_va(&src) = rte_pktmbuf_mtod_offset(mbuf_src,
+ uint8_t *,
+ sym_op->aead.data.offset);
+
+ fsattr_va(&dst) = rte_pktmbuf_mtod_offset(mbuf_dst,
+ uint8_t *,
+ sym_op->aead.data.offset);
+
+ fsattr_pa(&src) = rte_pktmbuf_iova_offset(mbuf_src,
+ sym_op->aead.data.offset);
+ fsattr_pa(&dst) = rte_pktmbuf_iova_offset(mbuf_dst,
+ sym_op->aead.data.offset);
+
+ fsattr_va(&iv) = rte_crypto_op_ctod_offset(op,
+ uint8_t *,
+ sess->aead.iv.offset);
+
+ fsattr_pa(&iv) = 0;
+ fsattr_sz(&iv) = sess->aead.iv.length;
+
+ fsattr_va(&key) = sess->aead.key.data;
+ fsattr_pa(&key) = 0;
+ fsattr_sz(&key) = sess->aead.key.length;
+
+ fsattr_va(&mac) = op->sym->aead.digest.data;
+ fsattr_pa(&mac) = op->sym->aead.digest.phys_addr;
+ fsattr_sz(&mac) = sess->aead.digest_length;
+
+ fsattr_va(&aad) = op->sym->aead.aad.data;
+ fsattr_pa(&aad) = op->sym->aead.aad.phys_addr;
+ fsattr_sz(&aad) = sess->aead.aad_length;
+
+ rc = bcmfs_crypto_build_aead_request(req, sess->aead.algo,
+ sess->aead.op, &src, &dst,
+ &key, &iv, &aad, &mac);
+
+ if (rc)
+ op->status = RTE_CRYPTO_OP_STATUS_ERROR;
+
+ return rc;
+}
+
+/** Process crypto operation for mbuf */
+int
+bcmfs_process_sym_crypto_op(struct rte_crypto_op *op,
+ struct bcmfs_sym_session *sess,
+ struct bcmfs_sym_request *req)
+{
+ struct rte_mbuf *msrc, *mdst;
+ int rc = 0;
+
+ msrc = op->sym->m_src;
+ mdst = op->sym->m_dst ? op->sym->m_dst : op->sym->m_src;
+ op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+
+ switch (sess->chain_order) {
+ case BCMFS_SYM_CHAIN_ONLY_CIPHER:
+ rc = process_crypto_cipher_op(op, msrc, mdst, sess, req);
+ break;
+ case BCMFS_SYM_CHAIN_ONLY_AUTH:
+ rc = process_crypto_auth_op(op, msrc, sess, req);
+ break;
+ case BCMFS_SYM_CHAIN_CIPHER_AUTH:
+ case BCMFS_SYM_CHAIN_AUTH_CIPHER:
+ rc = process_crypto_combined_op(op, msrc, mdst, sess, req);
+ break;
+ case BCMFS_SYM_CHAIN_AEAD:
+ rc = process_crypto_aead_op(op, msrc, mdst, sess, req);
+ break;
+ default:
+ op->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ break;
+ }
+
+ return rc;
+}
--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2020 Broadcom.
+ * All rights reserved.
+ */
+
+#include <stdbool.h>
+#include <string.h>
+
+#include <rte_common.h>
+#include <rte_cryptodev.h>
+#include <rte_crypto_sym.h>
+
+#include "bcmfs_logs.h"
+#include "bcmfs_sym_defs.h"
+#include "bcmfs_dev_msg.h"
+#include "bcmfs_sym_req.h"
+#include "bcmfs_sym_engine.h"
+
+enum spu2_cipher_type {
+ SPU2_CIPHER_TYPE_NONE = 0x0,
+ SPU2_CIPHER_TYPE_AES128 = 0x1,
+ SPU2_CIPHER_TYPE_AES192 = 0x2,
+ SPU2_CIPHER_TYPE_AES256 = 0x3,
+ SPU2_CIPHER_TYPE_DES = 0x4,
+ SPU2_CIPHER_TYPE_3DES = 0x5,
+ SPU2_CIPHER_TYPE_LAST
+};
+
+enum spu2_cipher_mode {
+ SPU2_CIPHER_MODE_ECB = 0x0,
+ SPU2_CIPHER_MODE_CBC = 0x1,
+ SPU2_CIPHER_MODE_CTR = 0x2,
+ SPU2_CIPHER_MODE_CFB = 0x3,
+ SPU2_CIPHER_MODE_OFB = 0x4,
+ SPU2_CIPHER_MODE_XTS = 0x5,
+ SPU2_CIPHER_MODE_CCM = 0x6,
+ SPU2_CIPHER_MODE_GCM = 0x7,
+ SPU2_CIPHER_MODE_LAST
+};
+
+enum spu2_hash_type {
+ SPU2_HASH_TYPE_NONE = 0x0,
+ SPU2_HASH_TYPE_AES128 = 0x1,
+ SPU2_HASH_TYPE_AES192 = 0x2,
+ SPU2_HASH_TYPE_AES256 = 0x3,
+ SPU2_HASH_TYPE_MD5 = 0x6,
+ SPU2_HASH_TYPE_SHA1 = 0x7,
+ SPU2_HASH_TYPE_SHA224 = 0x8,
+ SPU2_HASH_TYPE_SHA256 = 0x9,
+ SPU2_HASH_TYPE_SHA384 = 0xa,
+ SPU2_HASH_TYPE_SHA512 = 0xb,
+ SPU2_HASH_TYPE_SHA512_224 = 0xc,
+ SPU2_HASH_TYPE_SHA512_256 = 0xd,
+ SPU2_HASH_TYPE_SHA3_224 = 0xe,
+ SPU2_HASH_TYPE_SHA3_256 = 0xf,
+ SPU2_HASH_TYPE_SHA3_384 = 0x10,
+ SPU2_HASH_TYPE_SHA3_512 = 0x11,
+ SPU2_HASH_TYPE_LAST
+};
+
+enum spu2_hash_mode {
+ SPU2_HASH_MODE_CMAC = 0x0,
+ SPU2_HASH_MODE_CBC_MAC = 0x1,
+ SPU2_HASH_MODE_XCBC_MAC = 0x2,
+ SPU2_HASH_MODE_HMAC = 0x3,
+ SPU2_HASH_MODE_RABIN = 0x4,
+ SPU2_HASH_MODE_CCM = 0x5,
+ SPU2_HASH_MODE_GCM = 0x6,
+ SPU2_HASH_MODE_RESERVED = 0x7,
+ SPU2_HASH_MODE_LAST
+};
+
+enum spu2_proto_sel {
+ SPU2_PROTO_RESV = 0,
+ SPU2_MACSEC_SECTAG8_ECB = 1,
+ SPU2_MACSEC_SECTAG8_SCB = 2,
+ SPU2_MACSEC_SECTAG16 = 3,
+ SPU2_MACSEC_SECTAG16_8_XPN = 4,
+ SPU2_IPSEC = 5,
+ SPU2_IPSEC_ESN = 6,
+ SPU2_TLS_CIPHER = 7,
+ SPU2_TLS_AEAD = 8,
+ SPU2_DTLS_CIPHER = 9,
+ SPU2_DTLS_AEAD = 10
+};
+
+/* SPU2 response size */
+#define SPU2_STATUS_LEN 2
+
+/* Metadata settings in response */
+enum spu2_ret_md_opts {
+ SPU2_RET_NO_MD = 0, /* return no metadata */
+ SPU2_RET_FMD_OMD = 1, /* return both FMD and OMD */
+ SPU2_RET_FMD_ONLY = 2, /* return only FMD */
+ SPU2_RET_FMD_OMD_IV = 3, /* return FMD and OMD with just IVs */
+};
+
+/* FMD ctrl0 field masks */
+#define SPU2_CIPH_ENCRYPT_EN 0x1 /* 0: decrypt, 1: encrypt */
+#define SPU2_CIPH_TYPE_SHIFT 4
+#define SPU2_CIPH_MODE 0xF00 /* one of spu2_cipher_mode */
+#define SPU2_CIPH_MODE_SHIFT 8
+#define SPU2_CFB_MASK 0x7000 /* cipher feedback mask */
+#define SPU2_CFB_MASK_SHIFT 12
+#define SPU2_PROTO_SEL 0xF00000 /* MACsec, IPsec, TLS... */
+#define SPU2_PROTO_SEL_SHIFT 20
+#define SPU2_HASH_FIRST 0x1000000 /* 1: hash input is input pkt
+ * data
+ */
+#define SPU2_CHK_TAG 0x2000000 /* 1: check digest provided */
+#define SPU2_HASH_TYPE 0x1F0000000 /* one of spu2_hash_type */
+#define SPU2_HASH_TYPE_SHIFT 28
+#define SPU2_HASH_MODE 0xF000000000 /* one of spu2_hash_mode */
+#define SPU2_HASH_MODE_SHIFT 36
+#define SPU2_CIPH_PAD_EN 0x100000000000 /* 1: Add pad to end of payload for
+ * enc
+ */
+#define SPU2_CIPH_PAD 0xFF000000000000 /* cipher pad value */
+#define SPU2_CIPH_PAD_SHIFT 48
+
+/* FMD ctrl1 field masks */
+#define SPU2_TAG_LOC 0x1 /* 1: end of payload, 0: undef */
+#define SPU2_HAS_FR_DATA 0x2 /* 1: msg has frame data */
+#define SPU2_HAS_AAD1 0x4 /* 1: msg has AAD1 field */
+#define SPU2_HAS_NAAD 0x8 /* 1: msg has NAAD field */
+#define SPU2_HAS_AAD2 0x10 /* 1: msg has AAD2 field */
+#define SPU2_HAS_ESN 0x20 /* 1: msg has ESN field */
+#define SPU2_HASH_KEY_LEN 0xFF00 /* len of hash key in bytes.
+ * HMAC only.
+ */
+#define SPU2_HASH_KEY_LEN_SHIFT 8
+#define SPU2_CIPH_KEY_LEN 0xFF00000 /* len of cipher key in bytes */
+#define SPU2_CIPH_KEY_LEN_SHIFT 20
+#define SPU2_GENIV 0x10000000 /* 1: hw generates IV */
+#define SPU2_HASH_IV 0x20000000 /* 1: IV incl in hash */
+#define SPU2_RET_IV 0x40000000 /* 1: return IV in output msg
+ * b4 payload
+ */
+#define SPU2_RET_IV_LEN 0xF00000000 /* length in bytes of IV returned.
+ * 0 = 16 bytes
+ */
+#define SPU2_RET_IV_LEN_SHIFT 32
+#define SPU2_IV_OFFSET 0xF000000000 /* gen IV offset */
+#define SPU2_IV_OFFSET_SHIFT 36
+#define SPU2_IV_LEN 0x1F0000000000 /* length of input IV in bytes */
+#define SPU2_IV_LEN_SHIFT 40
+#define SPU2_HASH_TAG_LEN 0x7F000000000000 /* hash tag length in bytes */
+#define SPU2_HASH_TAG_LEN_SHIFT 48
+#define SPU2_RETURN_MD 0x300000000000000 /* return metadata */
+#define SPU2_RETURN_MD_SHIFT 56
+#define SPU2_RETURN_FD 0x400000000000000
+#define SPU2_RETURN_AAD1 0x800000000000000
+#define SPU2_RETURN_NAAD 0x1000000000000000
+#define SPU2_RETURN_AAD2 0x2000000000000000
+#define SPU2_RETURN_PAY 0x4000000000000000 /* return payload */
+
+/* FMD ctrl2 field masks */
+#define SPU2_AAD1_OFFSET 0xFFF /* byte offset of AAD1 field */
+#define SPU2_AAD1_LEN 0xFF000 /* length of AAD1 in bytes */
+#define SPU2_AAD1_LEN_SHIFT 12
+#define SPU2_AAD2_OFFSET 0xFFF00000 /* byte offset of AAD2 field */
+#define SPU2_AAD2_OFFSET_SHIFT 20
+#define SPU2_PL_OFFSET 0xFFFFFFFF00000000 /* payload offset from AAD2 */
+#define SPU2_PL_OFFSET_SHIFT 32
+
+/* FMD ctrl3 field masks */
+#define SPU2_PL_LEN 0xFFFFFFFF /* payload length in bytes */
+#define SPU2_TLS_LEN 0xFFFF00000000 /* TLS encrypt: cipher len
+ * TLS decrypt: compressed len
+ */
+#define SPU2_TLS_LEN_SHIFT 32
+
+/*
+ * Max value that can be represented in the Payload Length field of the
+ * ctrl3 word of FMD.
+ */
+#define SPU2_MAX_PAYLOAD SPU2_PL_LEN
+
+#define SPU2_VAL_NONE 0
+
+/* CCM B_0 field definitions, common for SPU-M and SPU2 */
+#define CCM_B0_ADATA 0x40
+#define CCM_B0_ADATA_SHIFT 6
+#define CCM_B0_M_PRIME 0x38
+#define CCM_B0_M_PRIME_SHIFT 3
+#define CCM_B0_L_PRIME 0x07
+#define CCM_B0_L_PRIME_SHIFT 0
+#define CCM_ESP_L_VALUE 4
+
+static uint16_t
+spu2_cipher_type_xlate(enum rte_crypto_cipher_algorithm cipher_alg,
+ enum spu2_cipher_type *spu2_type,
+ struct fsattr *key)
+{
+ int ret = 0;
+ int key_size = fsattr_sz(key);
+
+ if (cipher_alg == RTE_CRYPTO_CIPHER_AES_XTS)
+ key_size = key_size / 2;
+
+ switch (key_size) {
+ case BCMFS_CRYPTO_AES128:
+ *spu2_type = SPU2_CIPHER_TYPE_AES128;
+ break;
+ case BCMFS_CRYPTO_AES192:
+ *spu2_type = SPU2_CIPHER_TYPE_AES192;
+ break;
+ case BCMFS_CRYPTO_AES256:
+ *spu2_type = SPU2_CIPHER_TYPE_AES256;
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static int
+spu2_hash_xlate(enum rte_crypto_auth_algorithm auth_alg,
+ struct fsattr *key,
+ enum spu2_hash_type *spu2_type,
+ enum spu2_hash_mode *spu2_mode)
+{
+ *spu2_mode = 0;
+
+ switch (auth_alg) {
+ case RTE_CRYPTO_AUTH_NULL:
+ *spu2_type = SPU2_HASH_TYPE_NONE;
+ break;
+ case RTE_CRYPTO_AUTH_MD5:
+ *spu2_type = SPU2_HASH_TYPE_MD5;
+ break;
+ case RTE_CRYPTO_AUTH_MD5_HMAC:
+ *spu2_type = SPU2_HASH_TYPE_MD5;
+ *spu2_mode = SPU2_HASH_MODE_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA1:
+ *spu2_type = SPU2_HASH_TYPE_SHA1;
+ break;
+ case RTE_CRYPTO_AUTH_SHA1_HMAC:
+ *spu2_type = SPU2_HASH_TYPE_SHA1;
+ *spu2_mode = SPU2_HASH_MODE_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA224:
+ *spu2_type = SPU2_HASH_TYPE_SHA224;
+ break;
+ case RTE_CRYPTO_AUTH_SHA224_HMAC:
+ *spu2_type = SPU2_HASH_TYPE_SHA224;
+ *spu2_mode = SPU2_HASH_MODE_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA256:
+ *spu2_type = SPU2_HASH_TYPE_SHA256;
+ break;
+ case RTE_CRYPTO_AUTH_SHA256_HMAC:
+ *spu2_type = SPU2_HASH_TYPE_SHA256;
+ *spu2_mode = SPU2_HASH_MODE_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA384:
+ *spu2_type = SPU2_HASH_TYPE_SHA384;
+ break;
+ case RTE_CRYPTO_AUTH_SHA384_HMAC:
+ *spu2_type = SPU2_HASH_TYPE_SHA384;
+ *spu2_mode = SPU2_HASH_MODE_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA512:
+ *spu2_type = SPU2_HASH_TYPE_SHA512;
+ break;
+ case RTE_CRYPTO_AUTH_SHA512_HMAC:
+ *spu2_type = SPU2_HASH_TYPE_SHA512;
+ *spu2_mode = SPU2_HASH_MODE_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA3_224:
+ *spu2_type = SPU2_HASH_TYPE_SHA3_224;
+ break;
+ case RTE_CRYPTO_AUTH_SHA3_224_HMAC:
+ *spu2_type = SPU2_HASH_TYPE_SHA3_224;
+ *spu2_mode = SPU2_HASH_MODE_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA3_256:
+ *spu2_type = SPU2_HASH_TYPE_SHA3_256;
+ break;
+ case RTE_CRYPTO_AUTH_SHA3_256_HMAC:
+ *spu2_type = SPU2_HASH_TYPE_SHA3_256;
+ *spu2_mode = SPU2_HASH_MODE_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA3_384:
+ *spu2_type = SPU2_HASH_TYPE_SHA3_384;
+ break;
+ case RTE_CRYPTO_AUTH_SHA3_384_HMAC:
+ *spu2_type = SPU2_HASH_TYPE_SHA3_384;
+ *spu2_mode = SPU2_HASH_MODE_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_SHA3_512:
+ *spu2_type = SPU2_HASH_TYPE_SHA3_512;
+ break;
+ case RTE_CRYPTO_AUTH_SHA3_512_HMAC:
+ *spu2_type = SPU2_HASH_TYPE_SHA3_512;
+ *spu2_mode = SPU2_HASH_MODE_HMAC;
+ break;
+ case RTE_CRYPTO_AUTH_AES_XCBC_MAC:
+ *spu2_mode = SPU2_HASH_MODE_XCBC_MAC;
+ switch (fsattr_sz(key)) {
+ case BCMFS_CRYPTO_AES128:
+ *spu2_type = SPU2_HASH_TYPE_AES128;
+ break;
+ case BCMFS_CRYPTO_AES192:
+ *spu2_type = SPU2_HASH_TYPE_AES192;
+ break;
+ case BCMFS_CRYPTO_AES256:
+ *spu2_type = SPU2_HASH_TYPE_AES256;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case RTE_CRYPTO_AUTH_AES_CMAC:
+ *spu2_mode = SPU2_HASH_MODE_CMAC;
+ switch (fsattr_sz(key)) {
+ case BCMFS_CRYPTO_AES128:
+ *spu2_type = SPU2_HASH_TYPE_AES128;
+ break;
+ case BCMFS_CRYPTO_AES192:
+ *spu2_type = SPU2_HASH_TYPE_AES192;
+ break;
+ case BCMFS_CRYPTO_AES256:
+ *spu2_type = SPU2_HASH_TYPE_AES256;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case RTE_CRYPTO_AUTH_AES_GMAC:
+ *spu2_mode = SPU2_HASH_MODE_GCM;
+ switch (fsattr_sz(key)) {
+ case BCMFS_CRYPTO_AES128:
+ *spu2_type = SPU2_HASH_TYPE_AES128;
+ break;
+ case BCMFS_CRYPTO_AES192:
+ *spu2_type = SPU2_HASH_TYPE_AES192;
+ break;
+ case BCMFS_CRYPTO_AES256:
+ *spu2_type = SPU2_HASH_TYPE_AES256;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ case RTE_CRYPTO_AUTH_AES_CBC_MAC:
+ *spu2_mode = SPU2_HASH_MODE_CBC_MAC;
+ switch (fsattr_sz(key)) {
+ case BCMFS_CRYPTO_AES128:
+ *spu2_type = SPU2_HASH_TYPE_AES128;
+ break;
+ case BCMFS_CRYPTO_AES192:
+ *spu2_type = SPU2_HASH_TYPE_AES192;
+ break;
+ case BCMFS_CRYPTO_AES256:
+ *spu2_type = SPU2_HASH_TYPE_AES256;
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int
+spu2_cipher_xlate(enum rte_crypto_cipher_algorithm cipher_alg,
+ struct fsattr *key,
+ enum spu2_cipher_type *spu2_type,
+ enum spu2_cipher_mode *spu2_mode)
+{
+ int ret = 0;
+
+ switch (cipher_alg) {
+ case RTE_CRYPTO_CIPHER_NULL:
+ *spu2_type = SPU2_CIPHER_TYPE_NONE;
+ break;
+ case RTE_CRYPTO_CIPHER_DES_CBC:
+ *spu2_mode = SPU2_CIPHER_MODE_CBC;
+ *spu2_type = SPU2_CIPHER_TYPE_DES;
+ break;
+ case RTE_CRYPTO_CIPHER_3DES_ECB:
+ *spu2_mode = SPU2_CIPHER_MODE_ECB;
+ *spu2_type = SPU2_CIPHER_TYPE_3DES;
+ break;
+ case RTE_CRYPTO_CIPHER_3DES_CBC:
+ *spu2_mode = SPU2_CIPHER_MODE_CBC;
+ *spu2_type = SPU2_CIPHER_TYPE_3DES;
+ break;
+ case RTE_CRYPTO_CIPHER_AES_CBC:
+ *spu2_mode = SPU2_CIPHER_MODE_CBC;
+ ret = spu2_cipher_type_xlate(cipher_alg, spu2_type, key);
+ break;
+ case RTE_CRYPTO_CIPHER_AES_ECB:
+ *spu2_mode = SPU2_CIPHER_MODE_ECB;
+ ret = spu2_cipher_type_xlate(cipher_alg, spu2_type, key);
+ break;
+ case RTE_CRYPTO_CIPHER_AES_CTR:
+ *spu2_mode = SPU2_CIPHER_MODE_CTR;
+ ret = spu2_cipher_type_xlate(cipher_alg, spu2_type, key);
+ break;
+ case RTE_CRYPTO_CIPHER_AES_XTS:
+ *spu2_mode = SPU2_CIPHER_MODE_XTS;
+ ret = spu2_cipher_type_xlate(cipher_alg, spu2_type, key);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return ret;
+}
+
+static void
+spu2_fmd_ctrl0_write(struct spu2_fmd *fmd,
+ bool is_inbound, bool auth_first,
+ enum spu2_proto_sel protocol,
+ enum spu2_cipher_type cipher_type,
+ enum spu2_cipher_mode cipher_mode,
+ enum spu2_hash_type auth_type,
+ enum spu2_hash_mode auth_mode)
+{
+ uint64_t ctrl0 = 0;
+
+ if (cipher_type != SPU2_CIPHER_TYPE_NONE && !is_inbound)
+ ctrl0 |= SPU2_CIPH_ENCRYPT_EN;
+
+ ctrl0 |= ((uint64_t)cipher_type << SPU2_CIPH_TYPE_SHIFT) |
+ ((uint64_t)cipher_mode << SPU2_CIPH_MODE_SHIFT);
+
+ if (protocol != SPU2_PROTO_RESV)
+ ctrl0 |= (uint64_t)protocol << SPU2_PROTO_SEL_SHIFT;
+
+ if (auth_first)
+ ctrl0 |= SPU2_HASH_FIRST;
+
+ if (is_inbound && auth_type != SPU2_HASH_TYPE_NONE)
+ ctrl0 |= SPU2_CHK_TAG;
+
+ ctrl0 |= (((uint64_t)auth_type << SPU2_HASH_TYPE_SHIFT) |
+ ((uint64_t)auth_mode << SPU2_HASH_MODE_SHIFT));
+
+ fmd->ctrl0 = ctrl0;
+
+#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
+ BCMFS_DP_HEXDUMP_LOG(DEBUG, "ctrl0:", &fmd->ctrl0, sizeof(uint64_t));
+#endif
+}
+
+static void
+spu2_fmd_ctrl1_write(struct spu2_fmd *fmd, bool is_inbound,
+ uint64_t assoc_size, uint64_t auth_key_len,
+ uint64_t cipher_key_len, bool gen_iv, bool hash_iv,
+ bool return_iv, uint64_t ret_iv_len,
+ uint64_t ret_iv_offset, uint64_t cipher_iv_len,
+ uint64_t digest_size, bool return_payload, bool return_md)
+{
+ uint64_t ctrl1 = 0;
+
+ if (is_inbound && digest_size != 0)
+ ctrl1 |= SPU2_TAG_LOC;
+
+ if (assoc_size != 0)
+ ctrl1 |= SPU2_HAS_AAD2;
+
+ if (auth_key_len != 0)
+ ctrl1 |= ((auth_key_len << SPU2_HASH_KEY_LEN_SHIFT) &
+ SPU2_HASH_KEY_LEN);
+
+ if (cipher_key_len != 0)
+ ctrl1 |= ((cipher_key_len << SPU2_CIPH_KEY_LEN_SHIFT) &
+ SPU2_CIPH_KEY_LEN);
+
+ if (gen_iv)
+ ctrl1 |= SPU2_GENIV;
+
+ if (hash_iv)
+ ctrl1 |= SPU2_HASH_IV;
+
+ if (return_iv) {
+ ctrl1 |= SPU2_RET_IV;
+ ctrl1 |= ret_iv_len << SPU2_RET_IV_LEN_SHIFT;
+ ctrl1 |= ret_iv_offset << SPU2_IV_OFFSET_SHIFT;
+ }
+
+ ctrl1 |= ((cipher_iv_len << SPU2_IV_LEN_SHIFT) & SPU2_IV_LEN);
+
+ if (digest_size != 0) {
+ ctrl1 |= ((digest_size << SPU2_HASH_TAG_LEN_SHIFT) &
+ SPU2_HASH_TAG_LEN);
+ }
+
+ /*
+ * Let's ask for the output pkt to include FMD, but don't need to
+ * get keys and IVs back in OMD.
+ */
+ if (return_md)
+ ctrl1 |= ((uint64_t)SPU2_RET_FMD_ONLY << SPU2_RETURN_MD_SHIFT);
+ else
+ ctrl1 |= ((uint64_t)SPU2_RET_NO_MD << SPU2_RETURN_MD_SHIFT);
+
+ /* Crypto API does not get assoc data back. So no need for AAD2. */
+
+ if (return_payload)
+ ctrl1 |= SPU2_RETURN_PAY;
+
+ fmd->ctrl1 = ctrl1;
+
+#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
+ BCMFS_DP_HEXDUMP_LOG(DEBUG, "ctrl1:", &fmd->ctrl1, sizeof(uint64_t));
+#endif
+}
+
+static void
+spu2_fmd_ctrl2_write(struct spu2_fmd *fmd, uint64_t cipher_offset,
+ uint64_t auth_key_len __rte_unused,
+ uint64_t auth_iv_len __rte_unused,
+ uint64_t cipher_key_len __rte_unused,
+ uint64_t cipher_iv_len __rte_unused)
+{
+ uint64_t aad1_offset;
+ uint64_t aad2_offset;
+ uint16_t aad1_len = 0;
+ uint64_t payload_offset;
+
+ /* AAD1 offset is from start of FD. FD length always 0. */
+ aad1_offset = 0;
+
+ aad2_offset = aad1_offset;
+ payload_offset = cipher_offset;
+ fmd->ctrl2 = aad1_offset |
+ (aad1_len << SPU2_AAD1_LEN_SHIFT) |
+ (aad2_offset << SPU2_AAD2_OFFSET_SHIFT) |
+ (payload_offset << SPU2_PL_OFFSET_SHIFT);
+
+#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
+ BCMFS_DP_HEXDUMP_LOG(DEBUG, "ctrl2:", &fmd->ctrl2, sizeof(uint64_t));
+#endif
+}
+
+static void
+spu2_fmd_ctrl3_write(struct spu2_fmd *fmd, uint64_t payload_len)
+{
+ fmd->ctrl3 = payload_len & SPU2_PL_LEN;
+
+#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
+ BCMFS_DP_HEXDUMP_LOG(DEBUG, "ctrl3:", &fmd->ctrl3, sizeof(uint64_t));
+#endif
+}
+
+int
+bcmfs_crypto_build_auth_req(struct bcmfs_sym_request *sreq,
+ enum rte_crypto_auth_algorithm a_alg,
+ enum rte_crypto_auth_operation auth_op,
+ struct fsattr *src, struct fsattr *dst,
+ struct fsattr *mac, struct fsattr *auth_key,
+ struct fsattr *iv)
+{
+ int ret;
+ uint64_t dst_size;
+ int src_index = 0;
+ struct spu2_fmd *fmd;
+ uint64_t payload_len;
+ enum spu2_hash_mode spu2_auth_mode;
+ enum spu2_hash_type spu2_auth_type = SPU2_HASH_TYPE_NONE;
+ uint64_t iv_size = (iv != NULL) ? fsattr_sz(iv) : 0;
+ uint64_t auth_ksize = (auth_key != NULL) ? fsattr_sz(auth_key) : 0;
+ bool is_inbound = (auth_op == RTE_CRYPTO_AUTH_OP_VERIFY);
+
+ if (src == NULL)
+ return -EINVAL;
+
+ payload_len = fsattr_sz(src);
+ if (!payload_len) {
+ BCMFS_DP_LOG(ERR, "null payload not supported");
+ return -EINVAL;
+ }
+
+ /* one of dst or mac should not be NULL */
+ if (dst == NULL && mac == NULL)
+ return -EINVAL;
+
+ if (auth_op == RTE_CRYPTO_AUTH_OP_GENERATE && dst != NULL)
+ dst_size = fsattr_sz(dst);
+ else if (auth_op == RTE_CRYPTO_AUTH_OP_VERIFY && mac != NULL)
+ dst_size = fsattr_sz(mac);
+ else
+ return -EINVAL;
+
+ /* spu2 hash algorithm and hash algorithm mode */
+ ret = spu2_hash_xlate(a_alg, auth_key, &spu2_auth_type,
+ &spu2_auth_mode);
+ if (ret)
+ return -EINVAL;
+
+ fmd = &sreq->fmd;
+
+ spu2_fmd_ctrl0_write(fmd, is_inbound, SPU2_VAL_NONE,
+ SPU2_PROTO_RESV, SPU2_VAL_NONE,
+ SPU2_VAL_NONE, spu2_auth_type, spu2_auth_mode);
+
+ spu2_fmd_ctrl1_write(fmd, is_inbound, SPU2_VAL_NONE,
+ auth_ksize, SPU2_VAL_NONE, false,
+ false, SPU2_VAL_NONE, SPU2_VAL_NONE,
+ SPU2_VAL_NONE, iv_size,
+ dst_size, SPU2_VAL_NONE, SPU2_VAL_NONE);
+
+ memset(&fmd->ctrl2, 0, sizeof(uint64_t));
+
+ spu2_fmd_ctrl3_write(fmd, fsattr_sz(src));
+
+ /* Source metadata and data pointers */
+ sreq->msgs.srcs_addr[src_index] = sreq->fptr;
+ sreq->msgs.srcs_len[src_index] = sizeof(struct spu2_fmd);
+ src_index++;
+
+ if (auth_key != NULL && fsattr_sz(auth_key) != 0) {
+ memcpy(sreq->auth_key, fsattr_va(auth_key),
+ fsattr_sz(auth_key));
+
+ sreq->msgs.srcs_addr[src_index] = sreq->aptr;
+ sreq->msgs.srcs_len[src_index] = fsattr_sz(auth_key);
+ src_index++;
+ }
+
+ if (iv != NULL && fsattr_sz(iv) != 0) {
+ memcpy(sreq->iv, fsattr_va(iv), fsattr_sz(iv));
+ sreq->msgs.srcs_addr[src_index] = sreq->iptr;
+ sreq->msgs.srcs_len[src_index] = iv_size;
+ src_index++;
+ }
+
+ sreq->msgs.srcs_addr[src_index] = fsattr_pa(src);
+ sreq->msgs.srcs_len[src_index] = fsattr_sz(src);
+ src_index++;
+
+ /*
+ * In case of authentication verify operation, use input mac data to
+ * SPU2 engine.
+ */
+ if (auth_op == RTE_CRYPTO_AUTH_OP_VERIFY && mac != NULL) {
+ sreq->msgs.srcs_addr[src_index] = fsattr_pa(mac);
+ sreq->msgs.srcs_len[src_index] = fsattr_sz(mac);
+ src_index++;
+ }
+ sreq->msgs.srcs_count = src_index;
+
+ /*
+ * Output packet contains actual output from SPU2 and
+ * the status packet, so the dsts_count is always 2 below.
+ */
+ if (auth_op == RTE_CRYPTO_AUTH_OP_GENERATE) {
+ sreq->msgs.dsts_addr[0] = fsattr_pa(dst);
+ sreq->msgs.dsts_len[0] = fsattr_sz(dst);
+ } else {
+ /*
+ * In case of authentication verify operation, provide dummy
+ * location to SPU2 engine to generate hash. This is needed
+ * because SPU2 generates hash even in case of verify operation.
+ */
+ sreq->msgs.dsts_addr[0] = sreq->dptr;
+ sreq->msgs.dsts_len[0] = fsattr_sz(mac);
+ }
+
+ sreq->msgs.dsts_addr[1] = sreq->rptr;
+ sreq->msgs.dsts_len[1] = SPU2_STATUS_LEN;
+ sreq->msgs.dsts_count = 2;
+
+ return 0;
+}
+
+int
+bcmfs_crypto_build_cipher_req(struct bcmfs_sym_request *sreq,
+ enum rte_crypto_cipher_algorithm calgo,
+ enum rte_crypto_cipher_operation cipher_op,
+ struct fsattr *src, struct fsattr *dst,
+ struct fsattr *cipher_key, struct fsattr *iv)
+{
+ int ret = 0;
+ int src_index = 0;
+ struct spu2_fmd *fmd;
+ unsigned int xts_keylen;
+ enum spu2_cipher_mode spu2_ciph_mode = 0;
+ enum spu2_cipher_type spu2_ciph_type = SPU2_CIPHER_TYPE_NONE;
+ bool is_inbound = (cipher_op == RTE_CRYPTO_CIPHER_OP_DECRYPT);
+
+ if (src == NULL || dst == NULL || iv == NULL)
+ return -EINVAL;
+
+ fmd = &sreq->fmd;
+
+ /* spu2 cipher algorithm and cipher algorithm mode */
+ ret = spu2_cipher_xlate(calgo, cipher_key,
+ &spu2_ciph_type, &spu2_ciph_mode);
+ if (ret)
+ return -EINVAL;
+
+ spu2_fmd_ctrl0_write(fmd, is_inbound, SPU2_VAL_NONE,
+ SPU2_PROTO_RESV, spu2_ciph_type, spu2_ciph_mode,
+ SPU2_VAL_NONE, SPU2_VAL_NONE);
+
+ spu2_fmd_ctrl1_write(fmd, SPU2_VAL_NONE, SPU2_VAL_NONE, SPU2_VAL_NONE,
+ fsattr_sz(cipher_key), false, false,
+ SPU2_VAL_NONE, SPU2_VAL_NONE, SPU2_VAL_NONE,
+ fsattr_sz(iv), SPU2_VAL_NONE, SPU2_VAL_NONE,
+ SPU2_VAL_NONE);
+
+ /* Nothing for FMD2 */
+ memset(&fmd->ctrl2, 0, sizeof(uint64_t));
+
+ spu2_fmd_ctrl3_write(fmd, fsattr_sz(src));
+
+ /* Source metadata and data pointers */
+ sreq->msgs.srcs_addr[src_index] = sreq->fptr;
+ sreq->msgs.srcs_len[src_index] = sizeof(struct spu2_fmd);
+ src_index++;
+
+ if (cipher_key != NULL && fsattr_sz(cipher_key) != 0) {
+ if (calgo == RTE_CRYPTO_CIPHER_AES_XTS) {
+ xts_keylen = fsattr_sz(cipher_key) / 2;
+ memcpy(sreq->cipher_key,
+ (uint8_t *)fsattr_va(cipher_key) + xts_keylen,
+ xts_keylen);
+ memcpy(sreq->cipher_key + xts_keylen,
+ fsattr_va(cipher_key), xts_keylen);
+ } else {
+ memcpy(sreq->cipher_key,
+ fsattr_va(cipher_key), fsattr_sz(cipher_key));
+ }
+
+ sreq->msgs.srcs_addr[src_index] = sreq->cptr;
+ sreq->msgs.srcs_len[src_index] = fsattr_sz(cipher_key);
+ src_index++;
+ }
+
+ if (iv != NULL && fsattr_sz(iv) != 0) {
+ memcpy(sreq->iv,
+ fsattr_va(iv), fsattr_sz(iv));
+ sreq->msgs.srcs_addr[src_index] = sreq->iptr;
+ sreq->msgs.srcs_len[src_index] = fsattr_sz(iv);
+ src_index++;
+ }
+
+ sreq->msgs.srcs_addr[src_index] = fsattr_pa(src);
+ sreq->msgs.srcs_len[src_index] = fsattr_sz(src);
+ src_index++;
+ sreq->msgs.srcs_count = src_index;
+
+ /**
+ * Output packet contains actual output from SPU2 and
+ * the status packet, so the dsts_count is always 2 below.
+ */
+ sreq->msgs.dsts_addr[0] = fsattr_pa(dst);
+ sreq->msgs.dsts_len[0] = fsattr_sz(dst);
+
+ sreq->msgs.dsts_addr[1] = sreq->rptr;
+ sreq->msgs.dsts_len[1] = SPU2_STATUS_LEN;
+ sreq->msgs.dsts_count = 2;
+
+ return 0;
+}
+
+int
+bcmfs_crypto_build_chain_request(struct bcmfs_sym_request *sreq,
+ enum rte_crypto_cipher_algorithm cipher_alg,
+ enum rte_crypto_cipher_operation cipher_op __rte_unused,
+ enum rte_crypto_auth_algorithm auth_alg,
+ enum rte_crypto_auth_operation auth_op,
+ struct fsattr *src, struct fsattr *dst,
+ struct fsattr *cipher_key,
+ struct fsattr *auth_key,
+ struct fsattr *iv, struct fsattr *aad,
+ struct fsattr *digest, bool cipher_first)
+{
+ int ret = 0;
+ int src_index = 0;
+ int dst_index = 0;
+ bool auth_first = 0;
+ struct spu2_fmd *fmd;
+ uint64_t payload_len;
+ enum spu2_cipher_mode spu2_ciph_mode = 0;
+ enum spu2_hash_mode spu2_auth_mode = 0;
+ uint64_t aad_size = (aad != NULL) ? fsattr_sz(aad) : 0;
+ uint64_t iv_size = (iv != NULL) ? fsattr_sz(iv) : 0;
+ enum spu2_cipher_type spu2_ciph_type = SPU2_CIPHER_TYPE_NONE;
+ uint64_t auth_ksize = (auth_key != NULL) ?
+ fsattr_sz(auth_key) : 0;
+ uint64_t cipher_ksize = (cipher_key != NULL) ?
+ fsattr_sz(cipher_key) : 0;
+ uint64_t digest_size = (digest != NULL) ?
+ fsattr_sz(digest) : 0;
+ enum spu2_hash_type spu2_auth_type = SPU2_HASH_TYPE_NONE;
+ bool is_inbound = (auth_op == RTE_CRYPTO_AUTH_OP_VERIFY);
+
+ if (src == NULL)
+ return -EINVAL;
+
+ payload_len = fsattr_sz(src);
+ if (!payload_len) {
+ BCMFS_DP_LOG(ERR, "null payload not supported");
+ return -EINVAL;
+ }
+
+ /* spu2 hash algorithm and hash algorithm mode */
+ ret = spu2_hash_xlate(auth_alg, auth_key, &spu2_auth_type,
+ &spu2_auth_mode);
+ if (ret)
+ return -EINVAL;
+
+ /* spu2 cipher algorithm and cipher algorithm mode */
+ ret = spu2_cipher_xlate(cipher_alg, cipher_key, &spu2_ciph_type,
+ &spu2_ciph_mode);
+ if (ret) {
+ BCMFS_DP_LOG(ERR, "cipher xlate error");
+ return -EINVAL;
+ }
+
+ auth_first = cipher_first ? 0 : 1;
+
+ if (iv != NULL && fsattr_sz(iv) != 0)
+ memcpy(sreq->iv, fsattr_va(iv), fsattr_sz(iv));
+
+ fmd = &sreq->fmd;
+
+ spu2_fmd_ctrl0_write(fmd, is_inbound, auth_first, SPU2_PROTO_RESV,
+ spu2_ciph_type, spu2_ciph_mode,
+ spu2_auth_type, spu2_auth_mode);
+
+ spu2_fmd_ctrl1_write(fmd, is_inbound, aad_size, auth_ksize,
+ cipher_ksize, false, false, SPU2_VAL_NONE,
+ SPU2_VAL_NONE, SPU2_VAL_NONE, iv_size,
+ digest_size, false, SPU2_VAL_NONE);
+
+ spu2_fmd_ctrl2_write(fmd, aad_size, auth_ksize, 0,
+ cipher_ksize, iv_size);
+
+ spu2_fmd_ctrl3_write(fmd, payload_len);
+
+ /* Source metadata and data pointers */
+ sreq->msgs.srcs_addr[src_index] = sreq->fptr;
+ sreq->msgs.srcs_len[src_index] = sizeof(struct spu2_fmd);
+ src_index++;
+
+ if (auth_key != NULL && fsattr_sz(auth_key) != 0) {
+ memcpy(sreq->auth_key,
+ fsattr_va(auth_key), fsattr_sz(auth_key));
+
+#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
+ BCMFS_DP_HEXDUMP_LOG(DEBUG, "auth key:", fsattr_va(auth_key),
+ fsattr_sz(auth_key));
+#endif
+ sreq->msgs.srcs_addr[src_index] = sreq->aptr;
+ sreq->msgs.srcs_len[src_index] = fsattr_sz(auth_key);
+ src_index++;
+ }
+
+ if (cipher_key != NULL && fsattr_sz(cipher_key) != 0) {
+ memcpy(sreq->cipher_key,
+ fsattr_va(cipher_key), fsattr_sz(cipher_key));
+
+#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
+ BCMFS_DP_HEXDUMP_LOG(DEBUG, "cipher key:", fsattr_va(cipher_key),
+ fsattr_sz(cipher_key));
+#endif
+ sreq->msgs.srcs_addr[src_index] = sreq->cptr;
+ sreq->msgs.srcs_len[src_index] = fsattr_sz(cipher_key);
+ src_index++;
+ }
+
+ if (iv != NULL && fsattr_sz(iv) != 0) {
+#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
+ BCMFS_DP_HEXDUMP_LOG(DEBUG, "iv key:", fsattr_va(iv),
+ fsattr_sz(iv));
+#endif
+ sreq->msgs.srcs_addr[src_index] = sreq->iptr;
+ sreq->msgs.srcs_len[src_index] = iv_size;
+ src_index++;
+ }
+
+ if (aad != NULL && fsattr_sz(aad) != 0) {
+#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
+ BCMFS_DP_HEXDUMP_LOG(DEBUG, "aad :", fsattr_va(aad),
+ fsattr_sz(aad));
+#endif
+ sreq->msgs.srcs_addr[src_index] = fsattr_pa(aad);
+ sreq->msgs.srcs_len[src_index] = fsattr_sz(aad);
+ src_index++;
+ }
+
+ sreq->msgs.srcs_addr[src_index] = fsattr_pa(src);
+ sreq->msgs.srcs_len[src_index] = fsattr_sz(src);
+ src_index++;
+
+ if (auth_op == RTE_CRYPTO_AUTH_OP_VERIFY && digest != NULL &&
+ fsattr_sz(digest) != 0) {
+ sreq->msgs.srcs_addr[src_index] = fsattr_pa(digest);
+ sreq->msgs.srcs_len[src_index] = fsattr_sz(digest);
+ src_index++;
+ }
+ sreq->msgs.srcs_count = src_index;
+
+ if (dst != NULL) {
+ sreq->msgs.dsts_addr[dst_index] = fsattr_pa(dst);
+ sreq->msgs.dsts_len[dst_index] = fsattr_sz(dst);
+ dst_index++;
+ }
+
+ if (auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
+ /*
+ * In case of decryption digest data is generated by
+ * SPU2 engine but application doesn't need digest
+ * as such. So program dummy location to capture
+ * digest data
+ */
+ if (digest != NULL && fsattr_sz(digest) != 0) {
+ sreq->msgs.dsts_addr[dst_index] =
+ sreq->dptr;
+ sreq->msgs.dsts_len[dst_index] =
+ fsattr_sz(digest);
+ dst_index++;
+ }
+ } else {
+ if (digest != NULL && fsattr_sz(digest) != 0) {
+ sreq->msgs.dsts_addr[dst_index] =
+ fsattr_pa(digest);
+ sreq->msgs.dsts_len[dst_index] =
+ fsattr_sz(digest);
+ dst_index++;
+ }
+ }
+
+ sreq->msgs.dsts_addr[dst_index] = sreq->rptr;
+ sreq->msgs.dsts_len[dst_index] = SPU2_STATUS_LEN;
+ dst_index++;
+ sreq->msgs.dsts_count = dst_index;
+
+ return 0;
+}
+
+static void
+bcmfs_crypto_ccm_update_iv(uint8_t *ivbuf,
+ unsigned int *ivlen, bool is_esp)
+{
+ int L; /* size of length field, in bytes */
+
+ /*
+ * In RFC4309 mode, L is fixed at 4 bytes; otherwise, IV from
+ * testmgr contains (L-1) in bottom 3 bits of first byte,
+ * per RFC 3610.
+ */
+ if (is_esp)
+ L = CCM_ESP_L_VALUE;
+ else
+ L = ((ivbuf[0] & CCM_B0_L_PRIME) >>
+ CCM_B0_L_PRIME_SHIFT) + 1;
+
+ /* SPU2 doesn't want these length bytes nor the first byte... */
+ *ivlen -= (1 + L);
+ memmove(ivbuf, &ivbuf[1], *ivlen);
+}
+
+int
+bcmfs_crypto_build_aead_request(struct bcmfs_sym_request *sreq,
+ enum rte_crypto_aead_algorithm ae_algo,
+ enum rte_crypto_aead_operation aeop,
+ struct fsattr *src, struct fsattr *dst,
+ struct fsattr *key, struct fsattr *iv,
+ struct fsattr *aad, struct fsattr *digest)
+{
+ int src_index = 0;
+ int dst_index = 0;
+ bool auth_first = 0;
+ struct spu2_fmd *fmd;
+ uint64_t payload_len;
+ uint64_t aad_size = (aad != NULL) ? fsattr_sz(aad) : 0;
+ unsigned int iv_size = (iv != NULL) ? fsattr_sz(iv) : 0;
+ enum spu2_cipher_mode spu2_ciph_mode = 0;
+ enum spu2_hash_mode spu2_auth_mode = 0;
+ enum spu2_cipher_type spu2_ciph_type = SPU2_CIPHER_TYPE_NONE;
+ enum spu2_hash_type spu2_auth_type = SPU2_HASH_TYPE_NONE;
+ uint64_t ksize = (key != NULL) ? fsattr_sz(key) : 0;
+ uint64_t digest_size = (digest != NULL) ?
+ fsattr_sz(digest) : 0;
+ bool is_inbound = (aeop == RTE_CRYPTO_AEAD_OP_DECRYPT);
+
+ if (src == NULL)
+ return -EINVAL;
+
+ payload_len = fsattr_sz(src);
+ if (!payload_len) {
+ BCMFS_DP_LOG(ERR, "null payload not supported");
+ return -EINVAL;
+ }
+
+ switch (ksize) {
+ case BCMFS_CRYPTO_AES128:
+ spu2_auth_type = SPU2_HASH_TYPE_AES128;
+ spu2_ciph_type = SPU2_CIPHER_TYPE_AES128;
+ break;
+ case BCMFS_CRYPTO_AES192:
+ spu2_auth_type = SPU2_HASH_TYPE_AES192;
+ spu2_ciph_type = SPU2_CIPHER_TYPE_AES192;
+ break;
+ case BCMFS_CRYPTO_AES256:
+ spu2_auth_type = SPU2_HASH_TYPE_AES256;
+ spu2_ciph_type = SPU2_CIPHER_TYPE_AES256;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if (ae_algo == RTE_CRYPTO_AEAD_AES_GCM) {
+ spu2_auth_mode = SPU2_HASH_MODE_GCM;
+ spu2_ciph_mode = SPU2_CIPHER_MODE_GCM;
+ /*
+ * SPU2 needs in total 12 bytes of IV
+ * ie IV of 8 bytes(random number) and 4 bytes of salt.
+ */
+ if (fsattr_sz(iv) > 12)
+ iv_size = 12;
+
+ /*
+ * On SPU 2, aes gcm cipher first on encrypt, auth first on
+ * decrypt
+ */
+
+ auth_first = (aeop == RTE_CRYPTO_AEAD_OP_ENCRYPT) ?
+ 0 : 1;
+ }
+
+ if (iv != NULL && fsattr_sz(iv) != 0)
+ memcpy(sreq->iv, fsattr_va(iv), fsattr_sz(iv));
+
+ if (ae_algo == RTE_CRYPTO_AEAD_AES_CCM) {
+ spu2_auth_mode = SPU2_HASH_MODE_CCM;
+ spu2_ciph_mode = SPU2_CIPHER_MODE_CCM;
+ if (iv != NULL) {
+ memcpy(sreq->iv, fsattr_va(iv),
+ fsattr_sz(iv));
+ iv_size = fsattr_sz(iv);
+ bcmfs_crypto_ccm_update_iv(sreq->iv, &iv_size, false);
+ }
+
+ /* opposite for ccm (auth 1st on encrypt) */
+ auth_first = (aeop == RTE_CRYPTO_AEAD_OP_ENCRYPT) ?
+ 0 : 1;
+ }
+
+ fmd = &sreq->fmd;
+
+ spu2_fmd_ctrl0_write(fmd, is_inbound, auth_first, SPU2_PROTO_RESV,
+ spu2_ciph_type, spu2_ciph_mode,
+ spu2_auth_type, spu2_auth_mode);
+
+ spu2_fmd_ctrl1_write(fmd, is_inbound, aad_size, 0,
+ ksize, false, false, SPU2_VAL_NONE,
+ SPU2_VAL_NONE, SPU2_VAL_NONE, iv_size,
+ digest_size, false, SPU2_VAL_NONE);
+
+ spu2_fmd_ctrl2_write(fmd, aad_size, 0, 0,
+ ksize, iv_size);
+
+ spu2_fmd_ctrl3_write(fmd, payload_len);
+
+ /* Source metadata and data pointers */
+ sreq->msgs.srcs_addr[src_index] = sreq->fptr;
+ sreq->msgs.srcs_len[src_index] = sizeof(struct spu2_fmd);
+ src_index++;
+
+ if (key != NULL && fsattr_sz(key) != 0) {
+ memcpy(sreq->cipher_key,
+ fsattr_va(key), fsattr_sz(key));
+
+#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
+ BCMFS_DP_HEXDUMP_LOG(DEBUG, "cipher key:", fsattr_va(key),
+ fsattr_sz(key));
+#endif
+ sreq->msgs.srcs_addr[src_index] = sreq->cptr;
+ sreq->msgs.srcs_len[src_index] = fsattr_sz(key);
+ src_index++;
+ }
+
+ if (iv != NULL && fsattr_sz(iv) != 0) {
+#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
+ BCMFS_DP_HEXDUMP_LOG(DEBUG, "iv key:", fsattr_va(iv),
+ fsattr_sz(iv));
+#endif
+ sreq->msgs.srcs_addr[src_index] = sreq->iptr;
+ sreq->msgs.srcs_len[src_index] = iv_size;
+ src_index++;
+ }
+
+ if (aad != NULL && fsattr_sz(aad) != 0) {
+#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
+ BCMFS_DP_HEXDUMP_LOG(DEBUG, "aad :", fsattr_va(aad),
+ fsattr_sz(aad));
+#endif
+ sreq->msgs.srcs_addr[src_index] = fsattr_pa(aad);
+ sreq->msgs.srcs_len[src_index] = fsattr_sz(aad);
+ src_index++;
+ }
+
+ sreq->msgs.srcs_addr[src_index] = fsattr_pa(src);
+ sreq->msgs.srcs_len[src_index] = fsattr_sz(src);
+ src_index++;
+
+ if (aeop == RTE_CRYPTO_AEAD_OP_DECRYPT && digest != NULL &&
+ fsattr_sz(digest) != 0) {
+ sreq->msgs.srcs_addr[src_index] = fsattr_pa(digest);
+ sreq->msgs.srcs_len[src_index] = fsattr_sz(digest);
+ src_index++;
+ }
+ sreq->msgs.srcs_count = src_index;
+
+ if (dst != NULL) {
+ sreq->msgs.dsts_addr[dst_index] = fsattr_pa(dst);
+ sreq->msgs.dsts_len[dst_index] = fsattr_sz(dst);
+ dst_index++;
+ }
+
+ if (aeop == RTE_CRYPTO_AEAD_OP_DECRYPT) {
+ /*
+ * In case of decryption digest data is generated by
+ * SPU2 engine but application doesn't need digest
+ * as such. So program dummy location to capture
+ * digest data
+ */
+ if (digest != NULL && fsattr_sz(digest) != 0) {
+ sreq->msgs.dsts_addr[dst_index] =
+ sreq->dptr;
+ sreq->msgs.dsts_len[dst_index] =
+ fsattr_sz(digest);
+ dst_index++;
+ }
+ } else {
+ if (digest != NULL && fsattr_sz(digest) != 0) {
+ sreq->msgs.dsts_addr[dst_index] =
+ fsattr_pa(digest);
+ sreq->msgs.dsts_len[dst_index] =
+ fsattr_sz(digest);
+ dst_index++;
+ }
+ }
+
+ sreq->msgs.dsts_addr[dst_index] = sreq->rptr;
+ sreq->msgs.dsts_len[dst_index] = SPU2_STATUS_LEN;
+ dst_index++;
+ sreq->msgs.dsts_count = dst_index;
+
+ return 0;
+}
git.droids-corp.org / dpdk.git / commitdiff