--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2015-2017 Intel Corporation
+ */
+
+#include <intel-ipsec-mb.h>
+
+#include <rte_common.h>
+#include <rte_hexdump.h>
+#include <rte_cryptodev.h>
+#include <rte_cryptodev_pmd.h>
+#include <rte_bus_vdev.h>
+#include <rte_malloc.h>
+#include <rte_cpuflags.h>
+
+#include "rte_aesni_mb_pmd_private.h"
+
+#define AES_CCM_DIGEST_MIN_LEN 4
+#define AES_CCM_DIGEST_MAX_LEN 16
+#define HMAC_MAX_BLOCK_SIZE 128
+static uint8_t cryptodev_driver_id;
+
+typedef void (*hash_one_block_t)(const void *data, void *digest);
+typedef void (*aes_keyexp_t)(const void *key, void *enc_exp_keys, void *dec_exp_keys);
+
+/**
+ * Calculate the authentication pre-computes
+ *
+ * @param one_block_hash Function pointer to calculate digest on ipad/opad
+ * @param ipad Inner pad output byte array
+ * @param opad Outer pad output byte array
+ * @param hkey Authentication key
+ * @param hkey_len Authentication key length
+ * @param blocksize Block size of selected hash algo
+ */
+static void
+calculate_auth_precomputes(hash_one_block_t one_block_hash,
+ uint8_t *ipad, uint8_t *opad,
+ uint8_t *hkey, uint16_t hkey_len,
+ uint16_t blocksize)
+{
+ unsigned i, length;
+
+ uint8_t ipad_buf[blocksize] __rte_aligned(16);
+ uint8_t opad_buf[blocksize] __rte_aligned(16);
+
+ /* Setup inner and outer pads */
+ memset(ipad_buf, HMAC_IPAD_VALUE, blocksize);
+ memset(opad_buf, HMAC_OPAD_VALUE, blocksize);
+
+ /* XOR hash key with inner and outer pads */
+ length = hkey_len > blocksize ? blocksize : hkey_len;
+
+ for (i = 0; i < length; i++) {
+ ipad_buf[i] ^= hkey[i];
+ opad_buf[i] ^= hkey[i];
+ }
+
+ /* Compute partial hashes */
+ (*one_block_hash)(ipad_buf, ipad);
+ (*one_block_hash)(opad_buf, opad);
+
+ /* Clean up stack */
+ memset(ipad_buf, 0, blocksize);
+ memset(opad_buf, 0, blocksize);
+}
+
+/** Get xform chain order */
+static enum aesni_mb_operation
+aesni_mb_get_chain_order(const struct rte_crypto_sym_xform *xform)
+{
+ if (xform == NULL)
+ return AESNI_MB_OP_NOT_SUPPORTED;
+
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
+ if (xform->next == NULL)
+ return AESNI_MB_OP_CIPHER_ONLY;
+ if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
+ return AESNI_MB_OP_CIPHER_HASH;
+ }
+
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
+ if (xform->next == NULL)
+ return AESNI_MB_OP_HASH_ONLY;
+ if (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
+ return AESNI_MB_OP_HASH_CIPHER;
+ }
+
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
+ if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_CCM ||
+ xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM) {
+ if (xform->aead.op == RTE_CRYPTO_AEAD_OP_ENCRYPT)
+ return AESNI_MB_OP_AEAD_CIPHER_HASH;
+ else
+ return AESNI_MB_OP_AEAD_HASH_CIPHER;
+ }
+ }
+
+ return AESNI_MB_OP_NOT_SUPPORTED;
+}
+
+/** Set session authentication parameters */
+static int
+aesni_mb_set_session_auth_parameters(const MB_MGR *mb_mgr,
+ struct aesni_mb_session *sess,
+ const struct rte_crypto_sym_xform *xform)
+{
+ hash_one_block_t hash_oneblock_fn;
+ unsigned int key_larger_block_size = 0;
+ uint8_t hashed_key[HMAC_MAX_BLOCK_SIZE] = { 0 };
+
+ if (xform == NULL) {
+ sess->auth.algo = NULL_HASH;
+ return 0;
+ }
+
+ if (xform->type != RTE_CRYPTO_SYM_XFORM_AUTH) {
+ AESNI_MB_LOG(ERR, "Crypto xform struct not of type auth");
+ return -1;
+ }
+
+ /* Set the request digest size */
+ sess->auth.req_digest_len = xform->auth.digest_length;
+
+ /* Select auth generate/verify */
+ sess->auth.operation = xform->auth.op;
+
+ /* Set Authentication Parameters */
+ if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_XCBC_MAC) {
+ sess->auth.algo = AES_XCBC;
+
+ uint16_t xcbc_mac_digest_len =
+ get_truncated_digest_byte_length(AES_XCBC);
+ if (sess->auth.req_digest_len != xcbc_mac_digest_len) {
+ AESNI_MB_LOG(ERR, "Invalid digest size\n");
+ return -EINVAL;
+ }
+ sess->auth.gen_digest_len = sess->auth.req_digest_len;
+
+ IMB_AES_XCBC_KEYEXP(mb_mgr, xform->auth.key.data,
+ sess->auth.xcbc.k1_expanded,
+ sess->auth.xcbc.k2, sess->auth.xcbc.k3);
+ return 0;
+ }
+
+ if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_CMAC) {
+ uint32_t dust[4*15];
+
+ sess->auth.algo = AES_CMAC;
+
+ uint16_t cmac_digest_len = get_digest_byte_length(AES_CMAC);
+
+ if (sess->auth.req_digest_len > cmac_digest_len) {
+ AESNI_MB_LOG(ERR, "Invalid digest size\n");
+ return -EINVAL;
+ }
+ /*
+ * Multi-buffer lib supports digest sizes from 4 to 16 bytes
+ * in version 0.50 and sizes of 12 and 16 bytes,
+ * in version 0.49.
+ * If size requested is different, generate the full digest
+ * (16 bytes) in a temporary location and then memcpy
+ * the requested number of bytes.
+ */
+ if (sess->auth.req_digest_len < 4)
+ sess->auth.gen_digest_len = cmac_digest_len;
+ else
+ sess->auth.gen_digest_len = sess->auth.req_digest_len;
+
+ IMB_AES_KEYEXP_128(mb_mgr, xform->auth.key.data,
+ sess->auth.cmac.expkey, dust);
+ IMB_AES_CMAC_SUBKEY_GEN_128(mb_mgr, sess->auth.cmac.expkey,
+ sess->auth.cmac.skey1, sess->auth.cmac.skey2);
+ return 0;
+ }
+
+ switch (xform->auth.algo) {
+ case RTE_CRYPTO_AUTH_MD5_HMAC:
+ sess->auth.algo = MD5;
+ hash_oneblock_fn = mb_mgr->md5_one_block;
+ break;
+ case RTE_CRYPTO_AUTH_SHA1_HMAC:
+ sess->auth.algo = SHA1;
+ hash_oneblock_fn = mb_mgr->sha1_one_block;
+ if (xform->auth.key.length > get_auth_algo_blocksize(SHA1)) {
+ IMB_SHA1(mb_mgr,
+ xform->auth.key.data,
+ xform->auth.key.length,
+ hashed_key);
+ key_larger_block_size = 1;
+ }
+ break;
+ case RTE_CRYPTO_AUTH_SHA224_HMAC:
+ sess->auth.algo = SHA_224;
+ hash_oneblock_fn = mb_mgr->sha224_one_block;
+ if (xform->auth.key.length > get_auth_algo_blocksize(SHA_224)) {
+ IMB_SHA224(mb_mgr,
+ xform->auth.key.data,
+ xform->auth.key.length,
+ hashed_key);
+ key_larger_block_size = 1;
+ }
+ break;
+ case RTE_CRYPTO_AUTH_SHA256_HMAC:
+ sess->auth.algo = SHA_256;
+ hash_oneblock_fn = mb_mgr->sha256_one_block;
+ if (xform->auth.key.length > get_auth_algo_blocksize(SHA_256)) {
+ IMB_SHA256(mb_mgr,
+ xform->auth.key.data,
+ xform->auth.key.length,
+ hashed_key);
+ key_larger_block_size = 1;
+ }
+ break;
+ case RTE_CRYPTO_AUTH_SHA384_HMAC:
+ sess->auth.algo = SHA_384;
+ hash_oneblock_fn = mb_mgr->sha384_one_block;
+ if (xform->auth.key.length > get_auth_algo_blocksize(SHA_384)) {
+ IMB_SHA384(mb_mgr,
+ xform->auth.key.data,
+ xform->auth.key.length,
+ hashed_key);
+ key_larger_block_size = 1;
+ }
+ break;
+ case RTE_CRYPTO_AUTH_SHA512_HMAC:
+ sess->auth.algo = SHA_512;
+ hash_oneblock_fn = mb_mgr->sha512_one_block;
+ if (xform->auth.key.length > get_auth_algo_blocksize(SHA_512)) {
+ IMB_SHA512(mb_mgr,
+ xform->auth.key.data,
+ xform->auth.key.length,
+ hashed_key);
+ key_larger_block_size = 1;
+ }
+ break;
+ default:
+ AESNI_MB_LOG(ERR, "Unsupported authentication algorithm selection");
+ return -ENOTSUP;
+ }
+ uint16_t trunc_digest_size =
+ get_truncated_digest_byte_length(sess->auth.algo);
+ uint16_t full_digest_size =
+ get_digest_byte_length(sess->auth.algo);
+
+ if (sess->auth.req_digest_len > full_digest_size ||
+ sess->auth.req_digest_len == 0) {
+ AESNI_MB_LOG(ERR, "Invalid digest size\n");
+ return -EINVAL;
+ }
+
+ if (sess->auth.req_digest_len != trunc_digest_size &&
+ sess->auth.req_digest_len != full_digest_size)
+ sess->auth.gen_digest_len = full_digest_size;
+ else
+ sess->auth.gen_digest_len = sess->auth.req_digest_len;
+
+ /* Calculate Authentication precomputes */
+ if (key_larger_block_size) {
+ calculate_auth_precomputes(hash_oneblock_fn,
+ sess->auth.pads.inner, sess->auth.pads.outer,
+ hashed_key,
+ xform->auth.key.length,
+ get_auth_algo_blocksize(sess->auth.algo));
+ } else {
+ calculate_auth_precomputes(hash_oneblock_fn,
+ sess->auth.pads.inner, sess->auth.pads.outer,
+ xform->auth.key.data,
+ xform->auth.key.length,
+ get_auth_algo_blocksize(sess->auth.algo));
+ }
+
+ return 0;
+}
+
+/** Set session cipher parameters */
+static int
+aesni_mb_set_session_cipher_parameters(const MB_MGR *mb_mgr,
+ struct aesni_mb_session *sess,
+ const struct rte_crypto_sym_xform *xform)
+{
+ uint8_t is_aes = 0;
+ uint8_t is_3DES = 0;
+
+ if (xform == NULL) {
+ sess->cipher.mode = NULL_CIPHER;
+ return 0;
+ }
+
+ if (xform->type != RTE_CRYPTO_SYM_XFORM_CIPHER) {
+ AESNI_MB_LOG(ERR, "Crypto xform struct not of type cipher");
+ return -EINVAL;
+ }
+
+ /* Select cipher direction */
+ switch (xform->cipher.op) {
+ case RTE_CRYPTO_CIPHER_OP_ENCRYPT:
+ sess->cipher.direction = ENCRYPT;
+ break;
+ case RTE_CRYPTO_CIPHER_OP_DECRYPT:
+ sess->cipher.direction = DECRYPT;
+ break;
+ default:
+ AESNI_MB_LOG(ERR, "Invalid cipher operation parameter");
+ return -EINVAL;
+ }
+
+ /* Select cipher mode */
+ switch (xform->cipher.algo) {
+ case RTE_CRYPTO_CIPHER_AES_CBC:
+ sess->cipher.mode = CBC;
+ is_aes = 1;
+ break;
+ case RTE_CRYPTO_CIPHER_AES_CTR:
+ sess->cipher.mode = CNTR;
+ is_aes = 1;
+ break;
+ case RTE_CRYPTO_CIPHER_AES_DOCSISBPI:
+ sess->cipher.mode = DOCSIS_SEC_BPI;
+ is_aes = 1;
+ break;
+ case RTE_CRYPTO_CIPHER_DES_CBC:
+ sess->cipher.mode = DES;
+ break;
+ case RTE_CRYPTO_CIPHER_DES_DOCSISBPI:
+ sess->cipher.mode = DOCSIS_DES;
+ break;
+ case RTE_CRYPTO_CIPHER_3DES_CBC:
+ sess->cipher.mode = DES3;
+ is_3DES = 1;
+ break;
+ default:
+ AESNI_MB_LOG(ERR, "Unsupported cipher mode parameter");
+ return -ENOTSUP;
+ }
+
+ /* Set IV parameters */
+ sess->iv.offset = xform->cipher.iv.offset;
+ sess->iv.length = xform->cipher.iv.length;
+
+ /* Check key length and choose key expansion function for AES */
+ if (is_aes) {
+ switch (xform->cipher.key.length) {
+ case AES_128_BYTES:
+ sess->cipher.key_length_in_bytes = AES_128_BYTES;
+ IMB_AES_KEYEXP_128(mb_mgr, xform->cipher.key.data,
+ sess->cipher.expanded_aes_keys.encode,
+ sess->cipher.expanded_aes_keys.decode);
+ break;
+ case AES_192_BYTES:
+ sess->cipher.key_length_in_bytes = AES_192_BYTES;
+ IMB_AES_KEYEXP_192(mb_mgr, xform->cipher.key.data,
+ sess->cipher.expanded_aes_keys.encode,
+ sess->cipher.expanded_aes_keys.decode);
+ break;
+ case AES_256_BYTES:
+ sess->cipher.key_length_in_bytes = AES_256_BYTES;
+ IMB_AES_KEYEXP_256(mb_mgr, xform->cipher.key.data,
+ sess->cipher.expanded_aes_keys.encode,
+ sess->cipher.expanded_aes_keys.decode);
+ break;
+ default:
+ AESNI_MB_LOG(ERR, "Invalid cipher key length");
+ return -EINVAL;
+ }
+ } else if (is_3DES) {
+ uint64_t *keys[3] = {sess->cipher.exp_3des_keys.key[0],
+ sess->cipher.exp_3des_keys.key[1],
+ sess->cipher.exp_3des_keys.key[2]};
+
+ switch (xform->cipher.key.length) {
+ case 24:
+ IMB_DES_KEYSCHED(mb_mgr, keys[0],
+ xform->cipher.key.data);
+ IMB_DES_KEYSCHED(mb_mgr, keys[1],
+ xform->cipher.key.data + 8);
+ IMB_DES_KEYSCHED(mb_mgr, keys[2],
+ xform->cipher.key.data + 16);
+
+ /* Initialize keys - 24 bytes: [K1-K2-K3] */
+ sess->cipher.exp_3des_keys.ks_ptr[0] = keys[0];
+ sess->cipher.exp_3des_keys.ks_ptr[1] = keys[1];
+ sess->cipher.exp_3des_keys.ks_ptr[2] = keys[2];
+ break;
+ case 16:
+ IMB_DES_KEYSCHED(mb_mgr, keys[0],
+ xform->cipher.key.data);
+ IMB_DES_KEYSCHED(mb_mgr, keys[1],
+ xform->cipher.key.data + 8);
+ /* Initialize keys - 16 bytes: [K1=K1,K2=K2,K3=K1] */
+ sess->cipher.exp_3des_keys.ks_ptr[0] = keys[0];
+ sess->cipher.exp_3des_keys.ks_ptr[1] = keys[1];
+ sess->cipher.exp_3des_keys.ks_ptr[2] = keys[0];
+ break;
+ case 8:
+ IMB_DES_KEYSCHED(mb_mgr, keys[0],
+ xform->cipher.key.data);
+
+ /* Initialize keys - 8 bytes: [K1 = K2 = K3] */
+ sess->cipher.exp_3des_keys.ks_ptr[0] = keys[0];
+ sess->cipher.exp_3des_keys.ks_ptr[1] = keys[0];
+ sess->cipher.exp_3des_keys.ks_ptr[2] = keys[0];
+ break;
+ default:
+ AESNI_MB_LOG(ERR, "Invalid cipher key length");
+ return -EINVAL;
+ }
+
+ sess->cipher.key_length_in_bytes = 24;
+ } else {
+ if (xform->cipher.key.length != 8) {
+ AESNI_MB_LOG(ERR, "Invalid cipher key length");
+ return -EINVAL;
+ }
+ sess->cipher.key_length_in_bytes = 8;
+
+ IMB_DES_KEYSCHED(mb_mgr,
+ (uint64_t *)sess->cipher.expanded_aes_keys.encode,
+ xform->cipher.key.data);
+ IMB_DES_KEYSCHED(mb_mgr,
+ (uint64_t *)sess->cipher.expanded_aes_keys.decode,
+ xform->cipher.key.data);
+ }
+
+ return 0;
+}
+
+static int
+aesni_mb_set_session_aead_parameters(const MB_MGR *mb_mgr,
+ struct aesni_mb_session *sess,
+ const struct rte_crypto_sym_xform *xform)
+{
+ switch (xform->aead.op) {
+ case RTE_CRYPTO_AEAD_OP_ENCRYPT:
+ sess->cipher.direction = ENCRYPT;
+ sess->auth.operation = RTE_CRYPTO_AUTH_OP_GENERATE;
+ break;
+ case RTE_CRYPTO_AEAD_OP_DECRYPT:
+ sess->cipher.direction = DECRYPT;
+ sess->auth.operation = RTE_CRYPTO_AUTH_OP_VERIFY;
+ break;
+ default:
+ AESNI_MB_LOG(ERR, "Invalid aead operation parameter");
+ return -EINVAL;
+ }
+
+ switch (xform->aead.algo) {
+ case RTE_CRYPTO_AEAD_AES_CCM:
+ sess->cipher.mode = CCM;
+ sess->auth.algo = AES_CCM;
+
+ /* Check key length and choose key expansion function for AES */
+ switch (xform->aead.key.length) {
+ case AES_128_BYTES:
+ sess->cipher.key_length_in_bytes = AES_128_BYTES;
+ IMB_AES_KEYEXP_128(mb_mgr, xform->aead.key.data,
+ sess->cipher.expanded_aes_keys.encode,
+ sess->cipher.expanded_aes_keys.decode);
+ break;
+ default:
+ AESNI_MB_LOG(ERR, "Invalid cipher key length");
+ return -EINVAL;
+ }
+
+ break;
+
+ case RTE_CRYPTO_AEAD_AES_GCM:
+ sess->cipher.mode = GCM;
+ sess->auth.algo = AES_GMAC;
+
+ switch (xform->aead.key.length) {
+ case AES_128_BYTES:
+ sess->cipher.key_length_in_bytes = AES_128_BYTES;
+ IMB_AES128_GCM_PRE(mb_mgr, xform->aead.key.data,
+ &sess->cipher.gcm_key);
+ break;
+ case AES_192_BYTES:
+ sess->cipher.key_length_in_bytes = AES_192_BYTES;
+ IMB_AES192_GCM_PRE(mb_mgr, xform->aead.key.data,
+ &sess->cipher.gcm_key);
+ break;
+ case AES_256_BYTES:
+ sess->cipher.key_length_in_bytes = AES_256_BYTES;
+ IMB_AES256_GCM_PRE(mb_mgr, xform->aead.key.data,
+ &sess->cipher.gcm_key);
+ break;
+ default:
+ AESNI_MB_LOG(ERR, "Invalid cipher key length");
+ return -EINVAL;
+ }
+
+ break;
+
+ default:
+ AESNI_MB_LOG(ERR, "Unsupported aead mode parameter");
+ return -ENOTSUP;
+ }
+
+ /* Set IV parameters */
+ sess->iv.offset = xform->aead.iv.offset;
+ sess->iv.length = xform->aead.iv.length;
+
+ sess->auth.req_digest_len = xform->aead.digest_length;
+ /* CCM digests must be between 4 and 16 and an even number */
+ if (sess->auth.req_digest_len < AES_CCM_DIGEST_MIN_LEN ||
+ sess->auth.req_digest_len > AES_CCM_DIGEST_MAX_LEN ||
+ (sess->auth.req_digest_len & 1) == 1) {
+ AESNI_MB_LOG(ERR, "Invalid digest size\n");
+ return -EINVAL;
+ }
+ sess->auth.gen_digest_len = sess->auth.req_digest_len;
+
+ return 0;
+}
+
+/** Parse crypto xform chain and set private session parameters */
+int
+aesni_mb_set_session_parameters(const MB_MGR *mb_mgr,
+ struct aesni_mb_session *sess,
+ const struct rte_crypto_sym_xform *xform)
+{
+ const struct rte_crypto_sym_xform *auth_xform = NULL;
+ const struct rte_crypto_sym_xform *cipher_xform = NULL;
+ const struct rte_crypto_sym_xform *aead_xform = NULL;
+ int ret;
+
+ /* Select Crypto operation - hash then cipher / cipher then hash */
+ switch (aesni_mb_get_chain_order(xform)) {
+ case AESNI_MB_OP_HASH_CIPHER:
+ sess->chain_order = HASH_CIPHER;
+ auth_xform = xform;
+ cipher_xform = xform->next;
+ break;
+ case AESNI_MB_OP_CIPHER_HASH:
+ sess->chain_order = CIPHER_HASH;
+ auth_xform = xform->next;
+ cipher_xform = xform;
+ break;
+ case AESNI_MB_OP_HASH_ONLY:
+ sess->chain_order = HASH_CIPHER;
+ auth_xform = xform;
+ cipher_xform = NULL;
+ break;
+ case AESNI_MB_OP_CIPHER_ONLY:
+ /*
+ * Multi buffer library operates only at two modes,
+ * CIPHER_HASH and HASH_CIPHER. When doing ciphering only,
+ * chain order depends on cipher operation: encryption is always
+ * the first operation and decryption the last one.
+ */
+ if (xform->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
+ sess->chain_order = CIPHER_HASH;
+ else
+ sess->chain_order = HASH_CIPHER;
+ auth_xform = NULL;
+ cipher_xform = xform;
+ break;
+ case AESNI_MB_OP_AEAD_CIPHER_HASH:
+ sess->chain_order = CIPHER_HASH;
+ sess->aead.aad_len = xform->aead.aad_length;
+ aead_xform = xform;
+ break;
+ case AESNI_MB_OP_AEAD_HASH_CIPHER:
+ sess->chain_order = HASH_CIPHER;
+ sess->aead.aad_len = xform->aead.aad_length;
+ aead_xform = xform;
+ break;
+ case AESNI_MB_OP_NOT_SUPPORTED:
+ default:
+ AESNI_MB_LOG(ERR, "Unsupported operation chain order parameter");
+ return -ENOTSUP;
+ }
+
+ /* Default IV length = 0 */
+ sess->iv.length = 0;
+
+ ret = aesni_mb_set_session_auth_parameters(mb_mgr, sess, auth_xform);
+ if (ret != 0) {
+ AESNI_MB_LOG(ERR, "Invalid/unsupported authentication parameters");
+ return ret;
+ }
+
+ ret = aesni_mb_set_session_cipher_parameters(mb_mgr, sess,
+ cipher_xform);
+ if (ret != 0) {
+ AESNI_MB_LOG(ERR, "Invalid/unsupported cipher parameters");
+ return ret;
+ }
+
+ if (aead_xform) {
+ ret = aesni_mb_set_session_aead_parameters(mb_mgr, sess,
+ aead_xform);
+ if (ret != 0) {
+ AESNI_MB_LOG(ERR, "Invalid/unsupported aead parameters");
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+/**
+ * burst enqueue, place crypto operations on ingress queue for processing.
+ *
+ * @param __qp Queue Pair to process
+ * @param ops Crypto operations for processing
+ * @param nb_ops Number of crypto operations for processing
+ *
+ * @return
+ * - Number of crypto operations enqueued
+ */
+static uint16_t
+aesni_mb_pmd_enqueue_burst(void *__qp, struct rte_crypto_op **ops,
+ uint16_t nb_ops)
+{
+ struct aesni_mb_qp *qp = __qp;
+
+ unsigned int nb_enqueued;
+
+ nb_enqueued = rte_ring_enqueue_burst(qp->ingress_queue,
+ (void **)ops, nb_ops, NULL);
+
+ qp->stats.enqueued_count += nb_enqueued;
+
+ return nb_enqueued;
+}
+
+/** Get multi buffer session */
+static inline struct aesni_mb_session *
+get_session(struct aesni_mb_qp *qp, struct rte_crypto_op *op)
+{
+ struct aesni_mb_session *sess = NULL;
+
+ if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
+ if (likely(op->sym->session != NULL))
+ sess = (struct aesni_mb_session *)
+ get_sym_session_private_data(
+ op->sym->session,
+ cryptodev_driver_id);
+ } else {
+ void *_sess = NULL;
+ void *_sess_private_data = NULL;
+
+ if (rte_mempool_get(qp->sess_mp, (void **)&_sess))
+ return NULL;
+
+ if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data))
+ return NULL;
+
+ sess = (struct aesni_mb_session *)_sess_private_data;
+
+ if (unlikely(aesni_mb_set_session_parameters(qp->mb_mgr,
+ sess, op->sym->xform) != 0)) {
+ rte_mempool_put(qp->sess_mp, _sess);
+ rte_mempool_put(qp->sess_mp, _sess_private_data);
+ sess = NULL;
+ }
+ op->sym->session = (struct rte_cryptodev_sym_session *)_sess;
+ set_sym_session_private_data(op->sym->session,
+ cryptodev_driver_id, _sess_private_data);
+ }
+
+ if (unlikely(sess == NULL))
+ op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
+
+ return sess;
+}
+
+/**
+ * Process a crypto operation and complete a JOB_AES_HMAC job structure for
+ * submission to the multi buffer library for processing.
+ *
+ * @param qp queue pair
+ * @param job JOB_AES_HMAC structure to fill
+ * @param m mbuf to process
+ *
+ * @return
+ * - Completed JOB_AES_HMAC structure pointer on success
+ * - NULL pointer if completion of JOB_AES_HMAC structure isn't possible
+ */
+static inline int
+set_mb_job_params(JOB_AES_HMAC *job, struct aesni_mb_qp *qp,
+ struct rte_crypto_op *op, uint8_t *digest_idx)
+{
+ struct rte_mbuf *m_src = op->sym->m_src, *m_dst;
+ struct aesni_mb_session *session;
+ uint16_t m_offset = 0;
+
+ session = get_session(qp, op);
+ if (session == NULL) {
+ op->status = RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
+ return -1;
+ }
+
+ /* Set crypto operation */
+ job->chain_order = session->chain_order;
+
+ /* Set cipher parameters */
+ job->cipher_direction = session->cipher.direction;
+ job->cipher_mode = session->cipher.mode;
+
+ job->aes_key_len_in_bytes = session->cipher.key_length_in_bytes;
+
+ /* Set authentication parameters */
+ job->hash_alg = session->auth.algo;
+
+ switch (job->hash_alg) {
+ case AES_XCBC:
+ job->u.XCBC._k1_expanded = session->auth.xcbc.k1_expanded;
+ job->u.XCBC._k2 = session->auth.xcbc.k2;
+ job->u.XCBC._k3 = session->auth.xcbc.k3;
+
+ job->aes_enc_key_expanded =
+ session->cipher.expanded_aes_keys.encode;
+ job->aes_dec_key_expanded =
+ session->cipher.expanded_aes_keys.decode;
+ break;
+
+ case AES_CCM:
+ job->u.CCM.aad = op->sym->aead.aad.data + 18;
+ job->u.CCM.aad_len_in_bytes = session->aead.aad_len;
+ job->aes_enc_key_expanded =
+ session->cipher.expanded_aes_keys.encode;
+ job->aes_dec_key_expanded =
+ session->cipher.expanded_aes_keys.decode;
+ break;
+
+ case AES_CMAC:
+ job->u.CMAC._key_expanded = session->auth.cmac.expkey;
+ job->u.CMAC._skey1 = session->auth.cmac.skey1;
+ job->u.CMAC._skey2 = session->auth.cmac.skey2;
+ job->aes_enc_key_expanded =
+ session->cipher.expanded_aes_keys.encode;
+ job->aes_dec_key_expanded =
+ session->cipher.expanded_aes_keys.decode;
+ break;
+
+ case AES_GMAC:
+ job->u.GCM.aad = op->sym->aead.aad.data;
+ job->u.GCM.aad_len_in_bytes = session->aead.aad_len;
+ job->aes_enc_key_expanded = &session->cipher.gcm_key;
+ job->aes_dec_key_expanded = &session->cipher.gcm_key;
+ break;
+
+ default:
+ job->u.HMAC._hashed_auth_key_xor_ipad = session->auth.pads.inner;
+ job->u.HMAC._hashed_auth_key_xor_opad = session->auth.pads.outer;
+
+ if (job->cipher_mode == DES3) {
+ job->aes_enc_key_expanded =
+ session->cipher.exp_3des_keys.ks_ptr;
+ job->aes_dec_key_expanded =
+ session->cipher.exp_3des_keys.ks_ptr;
+ } else {
+ job->aes_enc_key_expanded =
+ session->cipher.expanded_aes_keys.encode;
+ job->aes_dec_key_expanded =
+ session->cipher.expanded_aes_keys.decode;
+ }
+ }
+
+ /* Mutable crypto operation parameters */
+ if (op->sym->m_dst) {
+ m_src = m_dst = op->sym->m_dst;
+
+ /* append space for output data to mbuf */
+ char *odata = rte_pktmbuf_append(m_dst,
+ rte_pktmbuf_data_len(op->sym->m_src));
+ if (odata == NULL) {
+ AESNI_MB_LOG(ERR, "failed to allocate space in destination "
+ "mbuf for source data");
+ op->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ return -1;
+ }
+
+ memcpy(odata, rte_pktmbuf_mtod(op->sym->m_src, void*),
+ rte_pktmbuf_data_len(op->sym->m_src));
+ } else {
+ m_dst = m_src;
+ if (job->hash_alg == AES_CCM || job->hash_alg == AES_GMAC)
+ m_offset = op->sym->aead.data.offset;
+ else
+ m_offset = op->sym->cipher.data.offset;
+ }
+
+ /* Set digest output location */
+ if (job->hash_alg != NULL_HASH &&
+ session->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY) {
+ job->auth_tag_output = qp->temp_digests[*digest_idx];
+ *digest_idx = (*digest_idx + 1) % MAX_JOBS;
+ } else {
+ if (job->hash_alg == AES_CCM || job->hash_alg == AES_GMAC)
+ job->auth_tag_output = op->sym->aead.digest.data;
+ else
+ job->auth_tag_output = op->sym->auth.digest.data;
+
+ if (session->auth.req_digest_len != session->auth.gen_digest_len) {
+ job->auth_tag_output = qp->temp_digests[*digest_idx];
+ *digest_idx = (*digest_idx + 1) % MAX_JOBS;
+ }
+ }
+ /*
+ * Multi-buffer library current only support returning a truncated
+ * digest length as specified in the relevant IPsec RFCs
+ */
+
+ /* Set digest length */
+ job->auth_tag_output_len_in_bytes = session->auth.gen_digest_len;
+
+ /* Set IV parameters */
+ job->iv_len_in_bytes = session->iv.length;
+
+ /* Data Parameter */
+ job->src = rte_pktmbuf_mtod(m_src, uint8_t *);
+ job->dst = rte_pktmbuf_mtod_offset(m_dst, uint8_t *, m_offset);
+
+ switch (job->hash_alg) {
+ case AES_CCM:
+ job->cipher_start_src_offset_in_bytes =
+ op->sym->aead.data.offset;
+ job->msg_len_to_cipher_in_bytes = op->sym->aead.data.length;
+ job->hash_start_src_offset_in_bytes = op->sym->aead.data.offset;
+ job->msg_len_to_hash_in_bytes = op->sym->aead.data.length;
+
+ job->iv = rte_crypto_op_ctod_offset(op, uint8_t *,
+ session->iv.offset + 1);
+ break;
+
+ case AES_GMAC:
+ job->cipher_start_src_offset_in_bytes =
+ op->sym->aead.data.offset;
+ job->hash_start_src_offset_in_bytes = op->sym->aead.data.offset;
+ job->msg_len_to_cipher_in_bytes = op->sym->aead.data.length;
+ job->msg_len_to_hash_in_bytes = job->msg_len_to_cipher_in_bytes;
+ job->iv = rte_crypto_op_ctod_offset(op, uint8_t *,
+ session->iv.offset);
+ break;
+
+ default:
+ job->cipher_start_src_offset_in_bytes =
+ op->sym->cipher.data.offset;
+ job->msg_len_to_cipher_in_bytes = op->sym->cipher.data.length;
+
+ job->hash_start_src_offset_in_bytes = op->sym->auth.data.offset;
+ job->msg_len_to_hash_in_bytes = op->sym->auth.data.length;
+
+ job->iv = rte_crypto_op_ctod_offset(op, uint8_t *,
+ session->iv.offset);
+ }
+
+ /* Set user data to be crypto operation data struct */
+ job->user_data = op;
+
+ return 0;
+}
+
+static inline void
+verify_digest(JOB_AES_HMAC *job, struct rte_crypto_op *op,
+ struct aesni_mb_session *sess)
+{
+ /* Verify digest if required */
+ if (job->hash_alg == AES_CCM || job->hash_alg == AES_GMAC) {
+ if (memcmp(job->auth_tag_output, op->sym->aead.digest.data,
+ sess->auth.req_digest_len) != 0)
+ op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
+ } else {
+ if (memcmp(job->auth_tag_output, op->sym->auth.digest.data,
+ sess->auth.req_digest_len) != 0)
+ op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
+ }
+}
+
+static inline void
+generate_digest(JOB_AES_HMAC *job, struct rte_crypto_op *op,
+ struct aesni_mb_session *sess)
+{
+ /* No extra copy neeed */
+ if (likely(sess->auth.req_digest_len == sess->auth.gen_digest_len))
+ return;
+
+ /*
+ * This can only happen for HMAC, so only digest
+ * for authentication algos is required
+ */
+ memcpy(op->sym->auth.digest.data, job->auth_tag_output,
+ sess->auth.req_digest_len);
+}
+
+/**
+ * Process a completed job and return rte_mbuf which job processed
+ *
+ * @param qp Queue Pair to process
+ * @param job JOB_AES_HMAC job to process
+ *
+ * @return
+ * - Returns processed crypto operation.
+ * - Returns NULL on invalid job
+ */
+static inline struct rte_crypto_op *
+post_process_mb_job(struct aesni_mb_qp *qp, JOB_AES_HMAC *job)
+{
+ struct rte_crypto_op *op = (struct rte_crypto_op *)job->user_data;
+ struct aesni_mb_session *sess = get_sym_session_private_data(
+ op->sym->session,
+ cryptodev_driver_id);
+
+ if (likely(op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)) {
+ switch (job->status) {
+ case STS_COMPLETED:
+ op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+
+ if (job->hash_alg != NULL_HASH) {
+ if (sess->auth.operation ==
+ RTE_CRYPTO_AUTH_OP_VERIFY)
+ verify_digest(job, op, sess);
+ else
+ generate_digest(job, op, sess);
+ }
+ break;
+ default:
+ op->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ }
+ }
+
+ /* Free session if a session-less crypto op */
+ if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
+ memset(sess, 0, sizeof(struct aesni_mb_session));
+ memset(op->sym->session, 0,
+ rte_cryptodev_sym_get_header_session_size());
+ rte_mempool_put(qp->sess_mp, sess);
+ rte_mempool_put(qp->sess_mp, op->sym->session);
+ op->sym->session = NULL;
+ }
+
+ return op;
+}
+
+/**
+ * Process a completed JOB_AES_HMAC job and keep processing jobs until
+ * get_completed_job return NULL
+ *
+ * @param qp Queue Pair to process
+ * @param job JOB_AES_HMAC job
+ *
+ * @return
+ * - Number of processed jobs
+ */
+static unsigned
+handle_completed_jobs(struct aesni_mb_qp *qp, JOB_AES_HMAC *job,
+ struct rte_crypto_op **ops, uint16_t nb_ops)
+{
+ struct rte_crypto_op *op = NULL;
+ unsigned processed_jobs = 0;
+
+ while (job != NULL) {
+ op = post_process_mb_job(qp, job);
+
+ if (op) {
+ ops[processed_jobs++] = op;
+ qp->stats.dequeued_count++;
+ } else {
+ qp->stats.dequeue_err_count++;
+ break;
+ }
+ if (processed_jobs == nb_ops)
+ break;
+
+ job = IMB_GET_COMPLETED_JOB(qp->mb_mgr);
+ }
+
+ return processed_jobs;
+}
+
+static inline uint16_t
+flush_mb_mgr(struct aesni_mb_qp *qp, struct rte_crypto_op **ops,
+ uint16_t nb_ops)
+{
+ int processed_ops = 0;
+
+ /* Flush the remaining jobs */
+ JOB_AES_HMAC *job = IMB_FLUSH_JOB(qp->mb_mgr);
+
+ if (job)
+ processed_ops += handle_completed_jobs(qp, job,
+ &ops[processed_ops], nb_ops - processed_ops);
+
+ return processed_ops;
+}
+
+static inline JOB_AES_HMAC *
+set_job_null_op(JOB_AES_HMAC *job, struct rte_crypto_op *op)
+{
+ job->chain_order = HASH_CIPHER;
+ job->cipher_mode = NULL_CIPHER;
+ job->hash_alg = NULL_HASH;
+ job->cipher_direction = DECRYPT;
+
+ /* Set user data to be crypto operation data struct */
+ job->user_data = op;
+
+ return job;
+}
+
+static uint16_t
+aesni_mb_pmd_dequeue_burst(void *queue_pair, struct rte_crypto_op **ops,
+ uint16_t nb_ops)
+{
+ struct aesni_mb_qp *qp = queue_pair;
+
+ struct rte_crypto_op *op;
+ JOB_AES_HMAC *job;
+
+ int retval, processed_jobs = 0;
+
+ if (unlikely(nb_ops == 0))
+ return 0;
+
+ uint8_t digest_idx = qp->digest_idx;
+ do {
+ /* Get next free mb job struct from mb manager */
+ job = IMB_GET_NEXT_JOB(qp->mb_mgr);
+ if (unlikely(job == NULL)) {
+ /* if no free mb job structs we need to flush mb_mgr */
+ processed_jobs += flush_mb_mgr(qp,
+ &ops[processed_jobs],
+ nb_ops - processed_jobs);
+
+ if (nb_ops == processed_jobs)
+ break;
+
+ job = IMB_GET_NEXT_JOB(qp->mb_mgr);
+ }
+
+ /*
+ * Get next operation to process from ingress queue.
+ * There is no need to return the job to the MB_MGR
+ * if there are no more operations to process, since the MB_MGR
+ * can use that pointer again in next get_next calls.
+ */
+ retval = rte_ring_dequeue(qp->ingress_queue, (void **)&op);
+ if (retval < 0)
+ break;
+
+ retval = set_mb_job_params(job, qp, op, &digest_idx);
+ if (unlikely(retval != 0)) {
+ qp->stats.dequeue_err_count++;
+ set_job_null_op(job, op);
+ }
+
+ /* Submit job to multi-buffer for processing */
+#ifdef RTE_LIBRTE_PMD_AESNI_MB_DEBUG
+ job = IMB_SUBMIT_JOB(qp->mb_mgr);
+#else
+ job = IMB_SUBMIT_JOB_NOCHECK(qp->mb_mgr);
+#endif
+ /*
+ * If submit returns a processed job then handle it,
+ * before submitting subsequent jobs
+ */
+ if (job)
+ processed_jobs += handle_completed_jobs(qp, job,
+ &ops[processed_jobs],
+ nb_ops - processed_jobs);
+
+ } while (processed_jobs < nb_ops);
+
+ qp->digest_idx = digest_idx;
+
+ if (processed_jobs < 1)
+ processed_jobs += flush_mb_mgr(qp,
+ &ops[processed_jobs],
+ nb_ops - processed_jobs);
+
+ return processed_jobs;
+}
+
+static int cryptodev_aesni_mb_remove(struct rte_vdev_device *vdev);
+
+static int
+cryptodev_aesni_mb_create(const char *name,
+ struct rte_vdev_device *vdev,
+ struct rte_cryptodev_pmd_init_params *init_params)
+{
+ struct rte_cryptodev *dev;
+ struct aesni_mb_private *internals;
+ enum aesni_mb_vector_mode vector_mode;
+ MB_MGR *mb_mgr;
+
+ /* Check CPU for support for AES instruction set */
+ if (!rte_cpu_get_flag_enabled(RTE_CPUFLAG_AES)) {
+ AESNI_MB_LOG(ERR, "AES instructions not supported by CPU");
+ return -EFAULT;
+ }
+
+ dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
+ if (dev == NULL) {
+ AESNI_MB_LOG(ERR, "failed to create cryptodev vdev");
+ return -ENODEV;
+ }
+
+ /* Check CPU for supported vector instruction set */
+ if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F))
+ vector_mode = RTE_AESNI_MB_AVX512;
+ else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2))
+ vector_mode = RTE_AESNI_MB_AVX2;
+ else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
+ vector_mode = RTE_AESNI_MB_AVX;
+ else
+ vector_mode = RTE_AESNI_MB_SSE;
+
+ dev->driver_id = cryptodev_driver_id;
+ dev->dev_ops = rte_aesni_mb_pmd_ops;
+
+ /* register rx/tx burst functions for data path */
+ dev->dequeue_burst = aesni_mb_pmd_dequeue_burst;
+ dev->enqueue_burst = aesni_mb_pmd_enqueue_burst;
+
+ dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
+ RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
+ RTE_CRYPTODEV_FF_CPU_AESNI;
+
+ mb_mgr = alloc_mb_mgr(0);
+ if (mb_mgr == NULL)
+ return -ENOMEM;
+
+ switch (vector_mode) {
+ case RTE_AESNI_MB_SSE:
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
+ init_mb_mgr_sse(mb_mgr);
+ break;
+ case RTE_AESNI_MB_AVX:
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
+ init_mb_mgr_avx(mb_mgr);
+ break;
+ case RTE_AESNI_MB_AVX2:
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX2;
+ init_mb_mgr_avx2(mb_mgr);
+ break;
+ case RTE_AESNI_MB_AVX512:
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX512;
+ init_mb_mgr_avx512(mb_mgr);
+ break;
+ default:
+ AESNI_MB_LOG(ERR, "Unsupported vector mode %u\n", vector_mode);
+ goto error_exit;
+ }
+
+ /* Set vector instructions mode supported */
+ internals = dev->data->dev_private;
+
+ internals->vector_mode = vector_mode;
+ internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
+ internals->mb_mgr = mb_mgr;
+
+ AESNI_MB_LOG(INFO, "IPSec Multi-buffer library version used: %s\n",
+ imb_get_version_str());
+
+ return 0;
+
+error_exit:
+ if (mb_mgr)
+ free_mb_mgr(mb_mgr);
+
+ rte_cryptodev_pmd_destroy(dev);
+
+ return -1;
+}
+
+static int
+cryptodev_aesni_mb_probe(struct rte_vdev_device *vdev)
+{
+ struct rte_cryptodev_pmd_init_params init_params = {
+ "",
+ sizeof(struct aesni_mb_private),
+ rte_socket_id(),
+ RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS
+ };
+ const char *name, *args;
+ int retval;
+
+ name = rte_vdev_device_name(vdev);
+ if (name == NULL)
+ return -EINVAL;
+
+ args = rte_vdev_device_args(vdev);
+
+ retval = rte_cryptodev_pmd_parse_input_args(&init_params, args);
+ if (retval) {
+ AESNI_MB_LOG(ERR, "Failed to parse initialisation arguments[%s]",
+ args);
+ return -EINVAL;
+ }
+
+ return cryptodev_aesni_mb_create(name, vdev, &init_params);
+}
+
+static int
+cryptodev_aesni_mb_remove(struct rte_vdev_device *vdev)
+{
+ struct rte_cryptodev *cryptodev;
+ struct aesni_mb_private *internals;
+ const char *name;
+
+ name = rte_vdev_device_name(vdev);
+ if (name == NULL)
+ return -EINVAL;
+
+ cryptodev = rte_cryptodev_pmd_get_named_dev(name);
+ if (cryptodev == NULL)
+ return -ENODEV;
+
+ internals = cryptodev->data->dev_private;
+
+ free_mb_mgr(internals->mb_mgr);
+
+ return rte_cryptodev_pmd_destroy(cryptodev);
+}
+
+static struct rte_vdev_driver cryptodev_aesni_mb_pmd_drv = {
+ .probe = cryptodev_aesni_mb_probe,
+ .remove = cryptodev_aesni_mb_remove
+};
+
+static struct cryptodev_driver aesni_mb_crypto_drv;
+
+RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_AESNI_MB_PMD, cryptodev_aesni_mb_pmd_drv);
+RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_AESNI_MB_PMD, cryptodev_aesni_mb_pmd);
+RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_AESNI_MB_PMD,
+ "max_nb_queue_pairs=<int> "
+ "socket_id=<int>");
+RTE_PMD_REGISTER_CRYPTO_DRIVER(aesni_mb_crypto_drv,
+ cryptodev_aesni_mb_pmd_drv.driver,
+ cryptodev_driver_id);
+
+RTE_INIT(aesni_mb_init_log)
+{
+ aesni_mb_logtype_driver = rte_log_register("pmd.crypto.aesni_mb");
+}
--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2015-2017 Intel Corporation
+ */
+
+#include <string.h>
+
+#include <rte_common.h>
+#include <rte_malloc.h>
+#include <rte_cryptodev_pmd.h>
+
+#include "rte_aesni_mb_pmd_private.h"
+
+
+static const struct rte_cryptodev_capabilities aesni_mb_pmd_capabilities[] = {
+ { /* MD5 HMAC */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_MD5_HMAC,
+ .block_size = 64,
+ .key_size = {
+ .min = 1,
+ .max = 64,
+ .increment = 1
+ },
+ .digest_size = {
+ .min = 1,
+ .max = 16,
+ .increment = 1
+ },
+ .iv_size = { 0 }
+ }, }
+ }, }
+ },
+ { /* SHA1 HMAC */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_SHA1_HMAC,
+ .block_size = 64,
+ .key_size = {
+ .min = 1,
+ .max = 65535,
+ .increment = 1
+ },
+ .digest_size = {
+ .min = 1,
+ .max = 20,
+ .increment = 1
+ },
+ .iv_size = { 0 }
+ }, }
+ }, }
+ },
+ { /* SHA224 HMAC */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_SHA224_HMAC,
+ .block_size = 64,
+ .key_size = {
+ .min = 1,
+ .max = 65535,
+ .increment = 1
+ },
+ .digest_size = {
+ .min = 1,
+ .max = 28,
+ .increment = 1
+ },
+ .iv_size = { 0 }
+ }, }
+ }, }
+ },
+ { /* SHA256 HMAC */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_SHA256_HMAC,
+ .block_size = 64,
+ .key_size = {
+ .min = 1,
+ .max = 65535,
+ .increment = 1
+ },
+ .digest_size = {
+ .min = 1,
+ .max = 32,
+ .increment = 1
+ },
+ .iv_size = { 0 }
+ }, }
+ }, }
+ },
+ { /* SHA384 HMAC */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_SHA384_HMAC,
+ .block_size = 128,
+ .key_size = {
+ .min = 1,
+ .max = 65535,
+ .increment = 1
+ },
+ .digest_size = {
+ .min = 1,
+ .max = 48,
+ .increment = 1
+ },
+ .iv_size = { 0 }
+ }, }
+ }, }
+ },
+ { /* SHA512 HMAC */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_SHA512_HMAC,
+ .block_size = 128,
+ .key_size = {
+ .min = 1,
+ .max = 65535,
+ .increment = 1
+ },
+ .digest_size = {
+ .min = 1,
+ .max = 64,
+ .increment = 1
+ },
+ .iv_size = { 0 }
+ }, }
+ }, }
+ },
+ { /* AES XCBC HMAC */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_AES_XCBC_MAC,
+ .block_size = 16,
+ .key_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ },
+ .digest_size = {
+ .min = 12,
+ .max = 12,
+ .increment = 0
+ },
+ .iv_size = { 0 }
+ }, }
+ }, }
+ },
+ { /* AES CBC */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
+ {.cipher = {
+ .algo = RTE_CRYPTO_CIPHER_AES_CBC,
+ .block_size = 16,
+ .key_size = {
+ .min = 16,
+ .max = 32,
+ .increment = 8
+ },
+ .iv_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ }
+ }, }
+ }, }
+ },
+ { /* AES CTR */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
+ {.cipher = {
+ .algo = RTE_CRYPTO_CIPHER_AES_CTR,
+ .block_size = 16,
+ .key_size = {
+ .min = 16,
+ .max = 32,
+ .increment = 8
+ },
+ .iv_size = {
+ .min = 12,
+ .max = 16,
+ .increment = 4
+ }
+ }, }
+ }, }
+ },
+ { /* AES DOCSIS BPI */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
+ {.cipher = {
+ .algo = RTE_CRYPTO_CIPHER_AES_DOCSISBPI,
+ .block_size = 16,
+ .key_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ },
+ .iv_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ }
+ }, }
+ }, }
+ },
+ { /* DES CBC */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
+ {.cipher = {
+ .algo = RTE_CRYPTO_CIPHER_DES_CBC,
+ .block_size = 8,
+ .key_size = {
+ .min = 8,
+ .max = 8,
+ .increment = 0
+ },
+ .iv_size = {
+ .min = 8,
+ .max = 8,
+ .increment = 0
+ }
+ }, }
+ }, }
+ },
+ { /* 3DES CBC */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
+ {.cipher = {
+ .algo = RTE_CRYPTO_CIPHER_3DES_CBC,
+ .block_size = 8,
+ .key_size = {
+ .min = 8,
+ .max = 24,
+ .increment = 8
+ },
+ .iv_size = {
+ .min = 8,
+ .max = 8,
+ .increment = 0
+ }
+ }, }
+ }, }
+ },
+ { /* DES DOCSIS BPI */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
+ {.cipher = {
+ .algo = RTE_CRYPTO_CIPHER_DES_DOCSISBPI,
+ .block_size = 8,
+ .key_size = {
+ .min = 8,
+ .max = 8,
+ .increment = 0
+ },
+ .iv_size = {
+ .min = 8,
+ .max = 8,
+ .increment = 0
+ }
+ }, }
+ }, }
+ },
+ { /* AES CCM */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AEAD,
+ {.aead = {
+ .algo = RTE_CRYPTO_AEAD_AES_CCM,
+ .block_size = 16,
+ .key_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ },
+ .digest_size = {
+ .min = 4,
+ .max = 16,
+ .increment = 2
+ },
+ .aad_size = {
+ .min = 0,
+ .max = 46,
+ .increment = 1
+ },
+ .iv_size = {
+ .min = 7,
+ .max = 13,
+ .increment = 1
+ },
+ }, }
+ }, }
+ },
+ { /* AES CMAC */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+ {.auth = {
+ .algo = RTE_CRYPTO_AUTH_AES_CMAC,
+ .block_size = 16,
+ .key_size = {
+ .min = 16,
+ .max = 16,
+ .increment = 0
+ },
+ .digest_size = {
+ .min = 1,
+ .max = 16,
+ .increment = 1
+ },
+ .iv_size = { 0 }
+ }, }
+ }, }
+ },
+ { /* AES GCM */
+ .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+ {.sym = {
+ .xform_type = RTE_CRYPTO_SYM_XFORM_AEAD,
+ {.aead = {
+ .algo = RTE_CRYPTO_AEAD_AES_GCM,
+ .block_size = 16,
+ .key_size = {
+ .min = 16,
+ .max = 32,
+ .increment = 8
+ },
+ .digest_size = {
+ .min = 8,
+ .max = 16,
+ .increment = 4
+ },
+ .aad_size = {
+ .min = 0,
+ .max = 65535,
+ .increment = 1
+ },
+ .iv_size = {
+ .min = 12,
+ .max = 12,
+ .increment = 0
+ }
+ }, }
+ }, }
+ },
+ RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
+};
+
+
+/** Configure device */
+static int
+aesni_mb_pmd_config(__rte_unused struct rte_cryptodev *dev,
+ __rte_unused struct rte_cryptodev_config *config)
+{
+ return 0;
+}
+
+/** Start device */
+static int
+aesni_mb_pmd_start(__rte_unused struct rte_cryptodev *dev)
+{
+ return 0;
+}
+
+/** Stop device */
+static void
+aesni_mb_pmd_stop(__rte_unused struct rte_cryptodev *dev)
+{
+}
+
+/** Close device */
+static int
+aesni_mb_pmd_close(__rte_unused struct rte_cryptodev *dev)
+{
+ return 0;
+}
+
+
+/** Get device statistics */
+static void
+aesni_mb_pmd_stats_get(struct rte_cryptodev *dev,
+ struct rte_cryptodev_stats *stats)
+{
+ int qp_id;
+
+ for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
+ struct aesni_mb_qp *qp = dev->data->queue_pairs[qp_id];
+
+ stats->enqueued_count += qp->stats.enqueued_count;
+ stats->dequeued_count += qp->stats.dequeued_count;
+
+ stats->enqueue_err_count += qp->stats.enqueue_err_count;
+ stats->dequeue_err_count += qp->stats.dequeue_err_count;
+ }
+}
+
+/** Reset device statistics */
+static void
+aesni_mb_pmd_stats_reset(struct rte_cryptodev *dev)
+{
+ int qp_id;
+
+ for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
+ struct aesni_mb_qp *qp = dev->data->queue_pairs[qp_id];
+
+ memset(&qp->stats, 0, sizeof(qp->stats));
+ }
+}
+
+
+/** Get device info */
+static void
+aesni_mb_pmd_info_get(struct rte_cryptodev *dev,
+ struct rte_cryptodev_info *dev_info)
+{
+ struct aesni_mb_private *internals = dev->data->dev_private;
+
+ if (dev_info != NULL) {
+ dev_info->driver_id = dev->driver_id;
+ dev_info->feature_flags = dev->feature_flags;
+ dev_info->capabilities = aesni_mb_pmd_capabilities;
+ dev_info->max_nb_queue_pairs = internals->max_nb_queue_pairs;
+ /* No limit of number of sessions */
+ dev_info->sym.max_nb_sessions = 0;
+ }
+}
+
+/** Release queue pair */
+static int
+aesni_mb_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
+{
+ struct aesni_mb_qp *qp = dev->data->queue_pairs[qp_id];
+ struct rte_ring *r = NULL;
+
+ if (qp != NULL) {
+ r = rte_ring_lookup(qp->name);
+ if (r)
+ rte_ring_free(r);
+ if (qp->mb_mgr)
+ free_mb_mgr(qp->mb_mgr);
+ rte_free(qp);
+ dev->data->queue_pairs[qp_id] = NULL;
+ }
+ return 0;
+}
+
+/** set a unique name for the queue pair based on it's name, dev_id and qp_id */
+static int
+aesni_mb_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
+ struct aesni_mb_qp *qp)
+{
+ unsigned n = snprintf(qp->name, sizeof(qp->name),
+ "aesni_mb_pmd_%u_qp_%u",
+ dev->data->dev_id, qp->id);
+
+ if (n >= sizeof(qp->name))
+ return -1;
+
+ return 0;
+}
+
+/** Create a ring to place processed operations on */
+static struct rte_ring *
+aesni_mb_pmd_qp_create_processed_ops_ring(struct aesni_mb_qp *qp,
+ unsigned int ring_size, int socket_id)
+{
+ struct rte_ring *r;
+ char ring_name[RTE_CRYPTODEV_NAME_MAX_LEN];
+
+ unsigned int n = snprintf(ring_name, sizeof(ring_name), "%s", qp->name);
+
+ if (n >= sizeof(ring_name))
+ return NULL;
+
+ r = rte_ring_lookup(ring_name);
+ if (r) {
+ if (rte_ring_get_size(r) >= ring_size) {
+ AESNI_MB_LOG(INFO, "Reusing existing ring %s for processed ops",
+ ring_name);
+ return r;
+ }
+
+ AESNI_MB_LOG(ERR, "Unable to reuse existing ring %s for processed ops",
+ ring_name);
+ return NULL;
+ }
+
+ return rte_ring_create(ring_name, ring_size, socket_id,
+ RING_F_SP_ENQ | RING_F_SC_DEQ);
+}
+
+/** Setup a queue pair */
+static int
+aesni_mb_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
+ const struct rte_cryptodev_qp_conf *qp_conf,
+ int socket_id, struct rte_mempool *session_pool)
+{
+ struct aesni_mb_qp *qp = NULL;
+ struct aesni_mb_private *internals = dev->data->dev_private;
+ int ret = -1;
+
+ /* Free memory prior to re-allocation if needed. */
+ if (dev->data->queue_pairs[qp_id] != NULL)
+ aesni_mb_pmd_qp_release(dev, qp_id);
+
+ /* Allocate the queue pair data structure. */
+ qp = rte_zmalloc_socket("AES-NI PMD Queue Pair", sizeof(*qp),
+ RTE_CACHE_LINE_SIZE, socket_id);
+ if (qp == NULL)
+ return -ENOMEM;
+
+ qp->id = qp_id;
+ dev->data->queue_pairs[qp_id] = qp;
+
+ if (aesni_mb_pmd_qp_set_unique_name(dev, qp))
+ goto qp_setup_cleanup;
+
+
+ qp->mb_mgr = alloc_mb_mgr(0);
+ if (qp->mb_mgr == NULL) {
+ ret = -ENOMEM;
+ goto qp_setup_cleanup;
+ }
+
+ switch (internals->vector_mode) {
+ case RTE_AESNI_MB_SSE:
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
+ init_mb_mgr_sse(qp->mb_mgr);
+ break;
+ case RTE_AESNI_MB_AVX:
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
+ init_mb_mgr_avx(qp->mb_mgr);
+ break;
+ case RTE_AESNI_MB_AVX2:
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX2;
+ init_mb_mgr_avx2(qp->mb_mgr);
+ break;
+ case RTE_AESNI_MB_AVX512:
+ dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX512;
+ init_mb_mgr_avx512(qp->mb_mgr);
+ break;
+ default:
+ AESNI_MB_LOG(ERR, "Unsupported vector mode %u\n",
+ internals->vector_mode);
+ goto qp_setup_cleanup;
+ }
+
+ qp->ingress_queue = aesni_mb_pmd_qp_create_processed_ops_ring(qp,
+ qp_conf->nb_descriptors, socket_id);
+ if (qp->ingress_queue == NULL) {
+ ret = -1;
+ goto qp_setup_cleanup;
+ }
+
+ qp->sess_mp = session_pool;
+
+ memset(&qp->stats, 0, sizeof(qp->stats));
+
+ char mp_name[RTE_MEMPOOL_NAMESIZE];
+
+ snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
+ "digest_mp_%u_%u", dev->data->dev_id, qp_id);
+ return 0;
+
+qp_setup_cleanup:
+ if (qp) {
+ if (qp->mb_mgr)
+ free_mb_mgr(qp->mb_mgr);
+ rte_free(qp);
+ }
+
+ return ret;
+}
+
+/** Return the number of allocated queue pairs */
+static uint32_t
+aesni_mb_pmd_qp_count(struct rte_cryptodev *dev)
+{
+ return dev->data->nb_queue_pairs;
+}
+
+/** Returns the size of the aesni multi-buffer session structure */
+static unsigned
+aesni_mb_pmd_sym_session_get_size(struct rte_cryptodev *dev __rte_unused)
+{
+ return sizeof(struct aesni_mb_session);
+}
+
+/** Configure a aesni multi-buffer session from a crypto xform chain */
+static int
+aesni_mb_pmd_sym_session_configure(struct rte_cryptodev *dev,
+ struct rte_crypto_sym_xform *xform,
+ struct rte_cryptodev_sym_session *sess,
+ struct rte_mempool *mempool)
+{
+ void *sess_private_data;
+ struct aesni_mb_private *internals = dev->data->dev_private;
+ int ret;
+
+ if (unlikely(sess == NULL)) {
+ AESNI_MB_LOG(ERR, "invalid session struct");
+ return -EINVAL;
+ }
+
+ if (rte_mempool_get(mempool, &sess_private_data)) {
+ AESNI_MB_LOG(ERR,
+ "Couldn't get object from session mempool");
+ return -ENOMEM;
+ }
+
+ ret = aesni_mb_set_session_parameters(internals->mb_mgr,
+ sess_private_data, xform);
+ if (ret != 0) {
+ AESNI_MB_LOG(ERR, "failed configure session parameters");
+
+ /* Return session to mempool */
+ rte_mempool_put(mempool, sess_private_data);
+ return ret;
+ }
+
+ set_sym_session_private_data(sess, dev->driver_id,
+ sess_private_data);
+
+ return 0;
+}
+
+/** Clear the memory of session so it doesn't leave key material behind */
+static void
+aesni_mb_pmd_sym_session_clear(struct rte_cryptodev *dev,
+ struct rte_cryptodev_sym_session *sess)
+{
+ uint8_t index = dev->driver_id;
+ void *sess_priv = get_sym_session_private_data(sess, index);
+
+ /* Zero out the whole structure */
+ if (sess_priv) {
+ memset(sess_priv, 0, sizeof(struct aesni_mb_session));
+ struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
+ set_sym_session_private_data(sess, index, NULL);
+ rte_mempool_put(sess_mp, sess_priv);
+ }
+}
+
+struct rte_cryptodev_ops aesni_mb_pmd_ops = {
+ .dev_configure = aesni_mb_pmd_config,
+ .dev_start = aesni_mb_pmd_start,
+ .dev_stop = aesni_mb_pmd_stop,
+ .dev_close = aesni_mb_pmd_close,
+
+ .stats_get = aesni_mb_pmd_stats_get,
+ .stats_reset = aesni_mb_pmd_stats_reset,
+
+ .dev_infos_get = aesni_mb_pmd_info_get,
+
+ .queue_pair_setup = aesni_mb_pmd_qp_setup,
+ .queue_pair_release = aesni_mb_pmd_qp_release,
+ .queue_pair_count = aesni_mb_pmd_qp_count,
+
+ .sym_session_get_size = aesni_mb_pmd_sym_session_get_size,
+ .sym_session_configure = aesni_mb_pmd_sym_session_configure,
+ .sym_session_clear = aesni_mb_pmd_sym_session_clear
+};
+
+struct rte_cryptodev_ops *rte_aesni_mb_pmd_ops = &aesni_mb_pmd_ops;
git.droids-corp.org / dpdk.git / commitdiff