crypto/ipsec_mb: move snow3g PMD
authorPiotr Bronowski <piotrx.bronowski@intel.com>
Fri, 15 Oct 2021 14:39:53 +0000 (14:39 +0000)
committerAkhil Goyal <gakhil@marvell.com>
Wed, 20 Oct 2021 10:06:01 +0000 (12:06 +0200)
This patch removes the crypto/snow3g folder and gathers all snow3g PMD
implementation specific details into a single file,
pmd_snow3g.c in the crypto/ipsec_mb folder.

Signed-off-by: Piotr Bronowski <piotrx.bronowski@intel.com>
Signed-off-by: Ciara Power <ciara.power@intel.com>
Acked-by: Ray Kinsella <mdr@ashroe.eu>
Acked-by: Fan Zhang <roy.fan.zhang@intel.com>
Acked-by: Akhil Goyal <gakhil@marvell.com>
13 files changed:
MAINTAINERS
doc/guides/cryptodevs/snow3g.rst
doc/guides/rel_notes/release_21_11.rst
drivers/crypto/ipsec_mb/ipsec_mb_private.h
drivers/crypto/ipsec_mb/meson.build
drivers/crypto/ipsec_mb/pmd_snow3g.c [new file with mode: 0644]
drivers/crypto/ipsec_mb/pmd_snow3g_priv.h [new file with mode: 0644]
drivers/crypto/meson.build
drivers/crypto/snow3g/meson.build [deleted file]
drivers/crypto/snow3g/rte_snow3g_pmd.c [deleted file]
drivers/crypto/snow3g/rte_snow3g_pmd_ops.c [deleted file]
drivers/crypto/snow3g/snow3g_pmd_private.h [deleted file]
drivers/crypto/snow3g/version.map [deleted file]

index 8b99587..a77499a 100644 (file)
@@ -1068,9 +1068,11 @@ F: drivers/crypto/ipsec_mb/
 F: doc/guides/cryptodevs/aesni_gcm.rst
 F: doc/guides/cryptodevs/aesni_mb.rst
 F: doc/guides/cryptodevs/kasumi.rst
+F: doc/guides/cryptodevs/snow3g.rst
 F: doc/guides/cryptodevs/features/aesni_gcm.ini
 F: doc/guides/cryptodevs/features/aesni_mb.ini
 F: doc/guides/cryptodevs/features/kasumi.ini
+F: doc/guides/cryptodevs/features/snow3g.ini
 
 Marvell cnxk crypto
 M: Ankur Dwivedi <adwivedi@marvell.com>
@@ -1141,12 +1143,6 @@ F: drivers/crypto/openssl/
 F: doc/guides/cryptodevs/openssl.rst
 F: doc/guides/cryptodevs/features/openssl.ini
 
-SNOW 3G
-M: Pablo de Lara <pablo.de.lara.guarch@intel.com>
-F: drivers/crypto/snow3g/
-F: doc/guides/cryptodevs/snow3g.rst
-F: doc/guides/cryptodevs/features/snow3g.ini
-
 Virtio
 M: Jay Zhou <jianjay.zhou@huawei.com>
 F: drivers/crypto/virtio/
index 0258b71..4ba71d6 100644 (file)
@@ -77,7 +77,8 @@ and the external crypto libraries supported by them:
    DPDK version   Crypto library version
    =============  ================================
    16.04 - 19.11  LibSSO SNOW3G
-   20.02+         Multi-buffer library 0.53 - 1.0*
+   20.02 - 21.08  Multi-buffer library 0.53 - 1.0*
+   21.11+         Multi-buffer library 1.0*
    =============  ================================
 
 \* Multi-buffer library 1.0 or newer only works for Meson but not Make build system.
index 1a9c327..feee38c 100644 (file)
@@ -233,6 +233,7 @@ New Features
     * AESNI_MB PMD.
     * AESNI_GCM PMD.
     * KASUMI PMD.
+    * SNOW3G PMD.
 
 * **Updated the aesni_mb crypto PMD.**
 
index a545296..9ee23d8 100644 (file)
@@ -43,6 +43,9 @@ extern RTE_DEFINE_PER_LCORE(IMB_MGR *, mb_mgr);
 #define CRYPTODEV_NAME_KASUMI_PMD crypto_kasumi
 /**< IPSEC Multi buffer PMD kasumi device name */
 
+#define CRYPTODEV_NAME_SNOW3G_PMD crypto_snow3g
+/**< IPSEC Multi buffer PMD snow3g device name */
+
 /** PMD LOGTYPE DRIVER, common to all PMDs */
 extern int ipsec_mb_logtype_driver;
 #define IPSEC_MB_LOG(level, fmt, ...)                                         \
@@ -54,6 +57,7 @@ enum ipsec_mb_pmd_types {
        IPSEC_MB_PMD_TYPE_AESNI_MB = 0,
        IPSEC_MB_PMD_TYPE_AESNI_GCM,
        IPSEC_MB_PMD_TYPE_KASUMI,
+       IPSEC_MB_PMD_TYPE_SNOW3G,
        IPSEC_MB_N_PMD_TYPES
 };
 
@@ -75,6 +79,7 @@ enum ipsec_mb_operation {
 extern uint8_t pmd_driver_id_aesni_mb;
 extern uint8_t pmd_driver_id_aesni_gcm;
 extern uint8_t pmd_driver_id_kasumi;
+extern uint8_t pmd_driver_id_snow3g;
 
 /** Helper function. Gets driver ID based on PMD type */
 static __rte_always_inline uint8_t
@@ -87,6 +92,8 @@ ipsec_mb_get_driver_id(enum ipsec_mb_pmd_types pmd_type)
                return pmd_driver_id_aesni_gcm;
        case IPSEC_MB_PMD_TYPE_KASUMI:
                return pmd_driver_id_kasumi;
+       case IPSEC_MB_PMD_TYPE_SNOW3G:
+               return pmd_driver_id_snow3g;
        default:
                break;
        }
index 54d2b69..0c074d7 100644 (file)
@@ -25,6 +25,7 @@ sources = files('ipsec_mb_private.c',
                'ipsec_mb_ops.c',
                'pmd_aesni_mb.c',
                'pmd_aesni_gcm.c',
-               'pmd_kasumi.c'
+               'pmd_kasumi.c',
+               'pmd_snow3g.c'
                )
 deps += ['bus_vdev', 'net', 'security']
diff --git a/drivers/crypto/ipsec_mb/pmd_snow3g.c b/drivers/crypto/ipsec_mb/pmd_snow3g.c
new file mode 100644 (file)
index 0000000..3b76c60
--- /dev/null
@@ -0,0 +1,489 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2021 Intel Corporation
+ */
+
+#include "pmd_snow3g_priv.h"
+
+/** Parse crypto xform chain and set private session parameters. */
+static int
+snow3g_session_configure(IMB_MGR *mgr, void *priv_sess,
+               const struct rte_crypto_sym_xform *xform)
+{
+       struct snow3g_session *sess = (struct snow3g_session *)priv_sess;
+       const struct rte_crypto_sym_xform *auth_xform = NULL;
+       const struct rte_crypto_sym_xform *cipher_xform = NULL;
+       enum ipsec_mb_operation mode;
+
+       /* Select Crypto operation - hash then cipher / cipher then hash */
+       int ret = ipsec_mb_parse_xform(xform, &mode, &auth_xform,
+                               &cipher_xform, NULL);
+       if (ret)
+               return ret;
+
+       if (cipher_xform) {
+               /* Only SNOW 3G UEA2 supported */
+               if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_SNOW3G_UEA2)
+                       return -ENOTSUP;
+
+               if (cipher_xform->cipher.iv.length != SNOW3G_IV_LENGTH) {
+                       IPSEC_MB_LOG(ERR, "Wrong IV length");
+                       return -EINVAL;
+               }
+               if (cipher_xform->cipher.key.length > SNOW3G_MAX_KEY_SIZE) {
+                       IPSEC_MB_LOG(ERR, "Not enough memory to store the key");
+                       return -ENOMEM;
+               }
+
+               sess->cipher_iv_offset = cipher_xform->cipher.iv.offset;
+
+               /* Initialize key */
+               IMB_SNOW3G_INIT_KEY_SCHED(mgr, cipher_xform->cipher.key.data,
+                                       &sess->pKeySched_cipher);
+       }
+
+       if (auth_xform) {
+               /* Only SNOW 3G UIA2 supported */
+               if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_SNOW3G_UIA2)
+                       return -ENOTSUP;
+
+               if (auth_xform->auth.digest_length != SNOW3G_DIGEST_LENGTH) {
+                       IPSEC_MB_LOG(ERR, "Wrong digest length");
+                       return -EINVAL;
+               }
+               if (auth_xform->auth.key.length > SNOW3G_MAX_KEY_SIZE) {
+                       IPSEC_MB_LOG(ERR, "Not enough memory to store the key");
+                       return -ENOMEM;
+               }
+
+               sess->auth_op = auth_xform->auth.op;
+
+               if (auth_xform->auth.iv.length != SNOW3G_IV_LENGTH) {
+                       IPSEC_MB_LOG(ERR, "Wrong IV length");
+                       return -EINVAL;
+               }
+               sess->auth_iv_offset = auth_xform->auth.iv.offset;
+
+               /* Initialize key */
+               IMB_SNOW3G_INIT_KEY_SCHED(mgr, auth_xform->auth.key.data,
+                                       &sess->pKeySched_hash);
+       }
+
+       sess->op = mode;
+
+       return 0;
+}
+
+/** Encrypt/decrypt mbufs with same cipher key. */
+static uint8_t
+process_snow3g_cipher_op(struct ipsec_mb_qp *qp, struct rte_crypto_op **ops,
+               struct snow3g_session *session,
+               uint8_t num_ops)
+{
+       uint32_t i;
+       uint8_t processed_ops = 0;
+       const void *src[SNOW3G_MAX_BURST];
+       void *dst[SNOW3G_MAX_BURST];
+       const void *iv[SNOW3G_MAX_BURST];
+       uint32_t num_bytes[SNOW3G_MAX_BURST];
+
+       for (i = 0; i < num_ops; i++) {
+               src[i] = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
+                               (ops[i]->sym->cipher.data.offset >> 3);
+               dst[i] = ops[i]->sym->m_dst ?
+                       rte_pktmbuf_mtod(ops[i]->sym->m_dst, uint8_t *) +
+                               (ops[i]->sym->cipher.data.offset >> 3) :
+                       rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
+                               (ops[i]->sym->cipher.data.offset >> 3);
+               iv[i] = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
+                               session->cipher_iv_offset);
+               num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
+
+               processed_ops++;
+       }
+
+       IMB_SNOW3G_F8_N_BUFFER(qp->mb_mgr, &session->pKeySched_cipher, iv,
+                       src, dst, num_bytes, processed_ops);
+
+       return processed_ops;
+}
+
+/** Encrypt/decrypt mbuf (bit level function). */
+static uint8_t
+process_snow3g_cipher_op_bit(struct ipsec_mb_qp *qp,
+               struct rte_crypto_op *op,
+               struct snow3g_session *session)
+{
+       uint8_t *src, *dst;
+       uint8_t *iv;
+       uint32_t length_in_bits, offset_in_bits;
+
+       offset_in_bits = op->sym->cipher.data.offset;
+       src = rte_pktmbuf_mtod(op->sym->m_src, uint8_t *);
+       if (op->sym->m_dst == NULL) {
+               op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+               IPSEC_MB_LOG(ERR, "bit-level in-place not supported\n");
+               return 0;
+       }
+       dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *);
+       iv = rte_crypto_op_ctod_offset(op, uint8_t *,
+                               session->cipher_iv_offset);
+       length_in_bits = op->sym->cipher.data.length;
+
+       IMB_SNOW3G_F8_1_BUFFER_BIT(qp->mb_mgr, &session->pKeySched_cipher, iv,
+                       src, dst, length_in_bits, offset_in_bits);
+
+       return 1;
+}
+
+/** Generate/verify hash from mbufs with same hash key. */
+static int
+process_snow3g_hash_op(struct ipsec_mb_qp *qp, struct rte_crypto_op **ops,
+               struct snow3g_session *session,
+               uint8_t num_ops)
+{
+       uint32_t i;
+       uint8_t processed_ops = 0;
+       uint8_t *src, *dst;
+       uint32_t length_in_bits;
+       uint8_t *iv;
+       struct snow3g_qp_data *qp_data = ipsec_mb_get_qp_private_data(qp);
+
+       for (i = 0; i < num_ops; i++) {
+               /* Data must be byte aligned */
+               if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) {
+                       ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+                       IPSEC_MB_LOG(ERR, "Offset");
+                       break;
+               }
+
+               length_in_bits = ops[i]->sym->auth.data.length;
+
+               src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
+                               (ops[i]->sym->auth.data.offset >> 3);
+               iv = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
+                               session->auth_iv_offset);
+
+               if (session->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
+                       dst = qp_data->temp_digest;
+
+                       IMB_SNOW3G_F9_1_BUFFER(qp->mb_mgr,
+                                       &session->pKeySched_hash,
+                                       iv, src, length_in_bits, dst);
+                       /* Verify digest. */
+                       if (memcmp(dst, ops[i]->sym->auth.digest.data,
+                                       SNOW3G_DIGEST_LENGTH) != 0)
+                               ops[i]->status =
+                                       RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
+               } else  {
+                       dst = ops[i]->sym->auth.digest.data;
+
+                       IMB_SNOW3G_F9_1_BUFFER(qp->mb_mgr,
+                                       &session->pKeySched_hash,
+                                       iv, src, length_in_bits, dst);
+               }
+               processed_ops++;
+       }
+
+       return processed_ops;
+}
+
+/** Process a batch of crypto ops which shares the same session. */
+static int
+process_ops(struct rte_crypto_op **ops, struct snow3g_session *session,
+               struct ipsec_mb_qp *qp, uint8_t num_ops)
+{
+       uint32_t i;
+       uint32_t processed_ops;
+
+#ifdef RTE_LIBRTE_PMD_SNOW3G_DEBUG
+       for (i = 0; i < num_ops; i++) {
+               if (!rte_pktmbuf_is_contiguous(ops[i]->sym->m_src) ||
+                               (ops[i]->sym->m_dst != NULL &&
+                               !rte_pktmbuf_is_contiguous(
+                                               ops[i]->sym->m_dst))) {
+                       IPSEC_MB_LOG(ERR,
+                               "PMD supports only contiguous mbufs, "
+                               "op (%p) provides noncontiguous mbuf as "
+                               "source/destination buffer.\n", ops[i]);
+                       ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+                       return 0;
+               }
+       }
+#endif
+
+       switch (session->op) {
+       case IPSEC_MB_OP_ENCRYPT_ONLY:
+       case IPSEC_MB_OP_DECRYPT_ONLY:
+               processed_ops = process_snow3g_cipher_op(qp, ops,
+                               session, num_ops);
+               break;
+       case IPSEC_MB_OP_HASH_GEN_ONLY:
+       case IPSEC_MB_OP_HASH_VERIFY_ONLY:
+               processed_ops = process_snow3g_hash_op(qp, ops, session,
+                               num_ops);
+               break;
+       case IPSEC_MB_OP_ENCRYPT_THEN_HASH_GEN:
+       case IPSEC_MB_OP_DECRYPT_THEN_HASH_VERIFY:
+               processed_ops = process_snow3g_cipher_op(qp, ops, session,
+                               num_ops);
+               process_snow3g_hash_op(qp, ops, session, processed_ops);
+               break;
+       case IPSEC_MB_OP_HASH_VERIFY_THEN_DECRYPT:
+       case IPSEC_MB_OP_HASH_GEN_THEN_ENCRYPT:
+               processed_ops = process_snow3g_hash_op(qp, ops, session,
+                               num_ops);
+               process_snow3g_cipher_op(qp, ops, session, processed_ops);
+               break;
+       default:
+               /* Operation not supported. */
+               processed_ops = 0;
+       }
+
+       for (i = 0; i < num_ops; i++) {
+               /*
+                * If there was no error/authentication failure,
+                * change status to successful.
+                */
+               if (ops[i]->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
+                       ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+               /* Free session if a session-less crypto op. */
+               if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
+                       memset(session, 0, sizeof(struct snow3g_session));
+                       memset(ops[i]->sym->session, 0,
+                       rte_cryptodev_sym_get_existing_header_session_size(
+                                       ops[i]->sym->session));
+                       rte_mempool_put(qp->sess_mp_priv, session);
+                       rte_mempool_put(qp->sess_mp, ops[i]->sym->session);
+                       ops[i]->sym->session = NULL;
+               }
+       }
+       return processed_ops;
+}
+
+/** Process a crypto op with length/offset in bits. */
+static int
+process_op_bit(struct rte_crypto_op *op, struct snow3g_session *session,
+               struct ipsec_mb_qp *qp, uint16_t *accumulated_enqueued_ops)
+{
+       uint32_t enqueued_op, processed_op;
+
+       switch (session->op) {
+       case IPSEC_MB_OP_ENCRYPT_ONLY:
+       case IPSEC_MB_OP_DECRYPT_ONLY:
+
+               processed_op = process_snow3g_cipher_op_bit(qp, op,
+                               session);
+               break;
+       case IPSEC_MB_OP_HASH_GEN_ONLY:
+       case IPSEC_MB_OP_HASH_VERIFY_ONLY:
+               processed_op = process_snow3g_hash_op(qp, &op, session, 1);
+               break;
+       case IPSEC_MB_OP_ENCRYPT_THEN_HASH_GEN:
+       case IPSEC_MB_OP_DECRYPT_THEN_HASH_VERIFY:
+               processed_op = process_snow3g_cipher_op_bit(qp, op, session);
+               if (processed_op == 1)
+                       process_snow3g_hash_op(qp, &op, session, 1);
+               break;
+       case IPSEC_MB_OP_HASH_VERIFY_THEN_DECRYPT:
+       case IPSEC_MB_OP_HASH_GEN_THEN_ENCRYPT:
+               processed_op = process_snow3g_hash_op(qp, &op, session, 1);
+               if (processed_op == 1)
+                       process_snow3g_cipher_op_bit(qp, op, session);
+               break;
+       default:
+               /* Operation not supported. */
+               processed_op = 0;
+       }
+
+       /*
+        * If there was no error/authentication failure,
+        * change status to successful.
+        */
+       if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
+               op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+
+       /* Free session if a session-less crypto op. */
+       if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
+               memset(op->sym->session, 0, sizeof(struct snow3g_session));
+               rte_cryptodev_sym_session_free(op->sym->session);
+               op->sym->session = NULL;
+       }
+
+       enqueued_op = rte_ring_enqueue_burst(qp->ingress_queue,
+                       (void **)&op, processed_op, NULL);
+       qp->stats.enqueued_count += enqueued_op;
+       *accumulated_enqueued_ops += enqueued_op;
+
+       return enqueued_op;
+}
+
+static uint16_t
+snow3g_pmd_dequeue_burst(void *queue_pair,
+               struct rte_crypto_op **ops, uint16_t nb_ops)
+{
+       struct ipsec_mb_qp *qp = queue_pair;
+       struct rte_crypto_op *c_ops[SNOW3G_MAX_BURST];
+       struct rte_crypto_op *curr_c_op;
+
+       struct snow3g_session *prev_sess = NULL, *curr_sess = NULL;
+       uint32_t i;
+       uint8_t burst_size = 0;
+       uint16_t enqueued_ops = 0;
+       uint8_t processed_ops;
+       uint32_t nb_dequeued;
+
+       nb_dequeued = rte_ring_dequeue_burst(qp->ingress_queue,
+                       (void **)ops, nb_ops, NULL);
+
+       for (i = 0; i < nb_dequeued; i++) {
+               curr_c_op = ops[i];
+
+               /* Set status as enqueued (not processed yet) by default. */
+               curr_c_op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+
+               curr_sess = ipsec_mb_get_session_private(qp, curr_c_op);
+               if (unlikely(curr_sess == NULL ||
+                               curr_sess->op == IPSEC_MB_OP_NOT_SUPPORTED)) {
+                       curr_c_op->status =
+                                       RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
+                       break;
+               }
+
+               /* If length/offset is at bit-level,
+                * process this buffer alone.
+                */
+               if (((curr_c_op->sym->cipher.data.length % BYTE_LEN) != 0)
+                               || ((curr_c_op->sym->cipher.data.offset
+                                       % BYTE_LEN) != 0)) {
+                       /* Process the ops of the previous session. */
+                       if (prev_sess != NULL) {
+                               processed_ops = process_ops(c_ops, prev_sess,
+                                               qp, burst_size);
+                               if (processed_ops < burst_size) {
+                                       burst_size = 0;
+                                       break;
+                               }
+
+                               burst_size = 0;
+                               prev_sess = NULL;
+                       }
+
+                       processed_ops = process_op_bit(curr_c_op, curr_sess,
+                                                       qp, &enqueued_ops);
+                       if (processed_ops != 1)
+                               break;
+
+                       continue;
+               }
+
+               /* Batch ops that share the same session. */
+               if (prev_sess == NULL) {
+                       prev_sess = curr_sess;
+                       c_ops[burst_size++] = curr_c_op;
+               } else if (curr_sess == prev_sess) {
+                       c_ops[burst_size++] = curr_c_op;
+                       /*
+                        * When there are enough ops to process in a batch,
+                        * process them, and start a new batch.
+                        */
+                       if (burst_size == SNOW3G_MAX_BURST) {
+                               processed_ops = process_ops(c_ops, prev_sess,
+                                               qp, burst_size);
+                               if (processed_ops < burst_size) {
+                                       burst_size = 0;
+                                       break;
+                               }
+
+                               burst_size = 0;
+                               prev_sess = NULL;
+                       }
+               } else {
+                       /*
+                        * Different session, process the ops
+                        * of the previous session.
+                        */
+                       processed_ops = process_ops(c_ops, prev_sess,
+                                       qp, burst_size);
+                       if (processed_ops < burst_size) {
+                               burst_size = 0;
+                               break;
+                       }
+
+                       burst_size = 0;
+                       prev_sess = curr_sess;
+
+                       c_ops[burst_size++] = curr_c_op;
+               }
+       }
+
+       if (burst_size != 0) {
+               /* Process the crypto ops of the last session. */
+               processed_ops = process_ops(c_ops, prev_sess,
+                               qp, burst_size);
+       }
+
+       qp->stats.dequeued_count += i;
+       return i;
+}
+
+struct rte_cryptodev_ops snow3g_pmd_ops = {
+       .dev_configure = ipsec_mb_config,
+       .dev_start = ipsec_mb_start,
+       .dev_stop = ipsec_mb_stop,
+       .dev_close = ipsec_mb_close,
+
+       .stats_get = ipsec_mb_stats_get,
+       .stats_reset = ipsec_mb_stats_reset,
+
+       .dev_infos_get = ipsec_mb_info_get,
+
+       .queue_pair_setup = ipsec_mb_qp_setup,
+       .queue_pair_release = ipsec_mb_qp_release,
+
+       .sym_session_get_size = ipsec_mb_sym_session_get_size,
+       .sym_session_configure = ipsec_mb_sym_session_configure,
+       .sym_session_clear = ipsec_mb_sym_session_clear
+};
+
+struct rte_cryptodev_ops *rte_snow3g_pmd_ops = &snow3g_pmd_ops;
+
+static int
+snow3g_probe(struct rte_vdev_device *vdev)
+{
+       return ipsec_mb_create(vdev, IPSEC_MB_PMD_TYPE_SNOW3G);
+}
+
+static struct rte_vdev_driver cryptodev_snow3g_pmd_drv = {
+       .probe = snow3g_probe,
+       .remove = ipsec_mb_remove
+};
+
+static struct cryptodev_driver snow3g_crypto_drv;
+
+RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_SNOW3G_PMD, cryptodev_snow3g_pmd_drv);
+RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_SNOW3G_PMD, cryptodev_snow3g_pmd);
+RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_SNOW3G_PMD,
+                              "max_nb_queue_pairs=<int> socket_id=<int>");
+RTE_PMD_REGISTER_CRYPTO_DRIVER(snow3g_crypto_drv,
+                               cryptodev_snow3g_pmd_drv.driver,
+                               pmd_driver_id_snow3g);
+
+/* Constructor function to register snow3g PMD */
+RTE_INIT(ipsec_mb_register_snow3g)
+{
+       struct ipsec_mb_internals *snow3g_data
+               = &ipsec_mb_pmds[IPSEC_MB_PMD_TYPE_SNOW3G];
+
+       snow3g_data->caps = snow3g_capabilities;
+       snow3g_data->dequeue_burst = snow3g_pmd_dequeue_burst;
+       snow3g_data->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
+                       RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
+                       RTE_CRYPTODEV_FF_NON_BYTE_ALIGNED_DATA |
+                       RTE_CRYPTODEV_FF_SYM_SESSIONLESS |
+                       RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT;
+       snow3g_data->internals_priv_size = 0;
+       snow3g_data->ops = &snow3g_pmd_ops;
+       snow3g_data->qp_priv_size = sizeof(struct snow3g_qp_data);
+       snow3g_data->session_configure = snow3g_session_configure;
+       snow3g_data->session_priv_size = sizeof(struct snow3g_session);
+}
diff --git a/drivers/crypto/ipsec_mb/pmd_snow3g_priv.h b/drivers/crypto/ipsec_mb/pmd_snow3g_priv.h
new file mode 100644 (file)
index 0000000..ca1ce7f
--- /dev/null
@@ -0,0 +1,85 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2016-2021 Intel Corporation
+ */
+
+#ifndef _PMD_SNOW3G_PRIV_H_
+#define _PMD_SNOW3G_PRIV_H_
+
+#include "ipsec_mb_private.h"
+
+#define SNOW3G_IV_LENGTH 16
+#define SNOW3G_MAX_BURST 8
+#define BYTE_LEN 8
+#define SNOW3G_DIGEST_LENGTH 4
+#define SNOW3G_MAX_KEY_SIZE  128
+
+uint8_t pmd_driver_id_snow3g;
+
+static const struct rte_cryptodev_capabilities snow3g_capabilities[] = {
+       {       /* SNOW 3G (UIA2) */
+               .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+               {.sym = {
+                       .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
+                       {.auth = {
+                               .algo = RTE_CRYPTO_AUTH_SNOW3G_UIA2,
+                               .block_size = 16,
+                               .key_size = {
+                                       .min = 16,
+                                       .max = 16,
+                                       .increment = 0
+                               },
+                               .digest_size = {
+                                       .min = SNOW3G_DIGEST_LENGTH,
+                                       .max = SNOW3G_DIGEST_LENGTH,
+                                       .increment = 0
+                               },
+                               .iv_size = {
+                                       .min = SNOW3G_IV_LENGTH,
+                                       .max = SNOW3G_IV_LENGTH,
+                                       .increment = 0
+                               }
+                       }, }
+               }, }
+       },
+       {       /* SNOW 3G (UEA2) */
+               .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
+               {.sym = {
+                       .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
+                       {.cipher = {
+                               .algo = RTE_CRYPTO_CIPHER_SNOW3G_UEA2,
+                               .block_size = 16,
+                               .key_size = {
+                                       .min = 16,
+                                       .max = 16,
+                                       .increment = 0
+                               },
+                               .iv_size = {
+                                       .min = SNOW3G_IV_LENGTH,
+                                       .max = SNOW3G_IV_LENGTH,
+                                       .increment = 0
+                               }
+                       }, }
+               }, }
+       },
+       RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
+};
+
+/** SNOW 3G private session structure */
+struct snow3g_session {
+       enum ipsec_mb_operation op;
+       enum rte_crypto_auth_operation auth_op;
+       snow3g_key_schedule_t pKeySched_cipher;
+       snow3g_key_schedule_t pKeySched_hash;
+       uint16_t cipher_iv_offset;
+       uint16_t auth_iv_offset;
+} __rte_cache_aligned;
+
+struct snow3g_qp_data {
+       uint8_t temp_digest[SNOW3G_DIGEST_LENGTH];
+       /**< Buffer used to store the digest generated
+        * by the driver when verifying a digest provided
+        * by the user (using authentication verify operation)
+        */
+};
+
+#endif /* _PMD_SNOW3G_PRIV_H_ */
index effaf72..5ee3f68 100644 (file)
@@ -22,7 +22,6 @@ drivers = [
         'octeontx2',
         'openssl',
         'scheduler',
-        'snow3g',
         'virtio',
         'zuc',
 ]
diff --git a/drivers/crypto/snow3g/meson.build b/drivers/crypto/snow3g/meson.build
deleted file mode 100644 (file)
index 0c087ba..0000000
+++ /dev/null
@@ -1,24 +0,0 @@
-# SPDX-License-Identifier: BSD-3-Clause
-# Copyright(c) 2019-2020 Intel Corporation
-
-IMB_required_ver = '0.53.0'
-lib = cc.find_library('IPSec_MB', required: false)
-if not lib.found()
-    build = false
-    reason = 'missing dependency, "libIPSec_MB"'
-else
-    # version comes with quotes, so we split based on " and take the middle
-    imb_ver = cc.get_define('IMB_VERSION_STR',
-        prefix : '#include<intel-ipsec-mb.h>').split('"')[1]
-
-    if (imb_ver == '') or (imb_ver.version_compare('<' + IMB_required_ver))
-                reason = 'IPSec_MB version >= @0@ is required, found version @1@'.format(
-                IMB_required_ver, imb_ver)
-        build = false
-    endif
-
-endif
-
-ext_deps += lib
-sources = files('rte_snow3g_pmd.c', 'rte_snow3g_pmd_ops.c')
-deps += ['bus_vdev', 'cryptodev']
diff --git a/drivers/crypto/snow3g/rte_snow3g_pmd.c b/drivers/crypto/snow3g/rte_snow3g_pmd.c
deleted file mode 100644 (file)
index 8284ac0..0000000
+++ /dev/null
@@ -1,656 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2016-2018 Intel Corporation
- */
-
-#include <rte_common.h>
-#include <rte_hexdump.h>
-#include <rte_cryptodev.h>
-#include <cryptodev_pmd.h>
-#include <rte_bus_vdev.h>
-#include <rte_malloc.h>
-#include <rte_cpuflags.h>
-
-#include "snow3g_pmd_private.h"
-
-#define SNOW3G_IV_LENGTH 16
-#define SNOW3G_MAX_BURST 8
-#define BYTE_LEN 8
-
-static uint8_t cryptodev_driver_id;
-
-/** Get xform chain order. */
-static enum snow3g_operation
-snow3g_get_mode(const struct rte_crypto_sym_xform *xform)
-{
-       if (xform == NULL)
-               return SNOW3G_OP_NOT_SUPPORTED;
-
-       if (xform->next)
-               if (xform->next->next != NULL)
-                       return SNOW3G_OP_NOT_SUPPORTED;
-
-       if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
-               if (xform->next == NULL)
-                       return SNOW3G_OP_ONLY_AUTH;
-               else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER)
-                       return SNOW3G_OP_AUTH_CIPHER;
-               else
-                       return SNOW3G_OP_NOT_SUPPORTED;
-       }
-
-       if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
-               if (xform->next == NULL)
-                       return SNOW3G_OP_ONLY_CIPHER;
-               else if (xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
-                       return SNOW3G_OP_CIPHER_AUTH;
-               else
-                       return SNOW3G_OP_NOT_SUPPORTED;
-       }
-
-       return SNOW3G_OP_NOT_SUPPORTED;
-}
-
-
-/** Parse crypto xform chain and set private session parameters. */
-int
-snow3g_set_session_parameters(MB_MGR *mgr, struct snow3g_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;
-       enum snow3g_operation mode;
-
-       /* Select Crypto operation - hash then cipher / cipher then hash */
-       mode = snow3g_get_mode(xform);
-
-       switch (mode) {
-       case SNOW3G_OP_CIPHER_AUTH:
-               auth_xform = xform->next;
-
-               /* Fall-through */
-       case SNOW3G_OP_ONLY_CIPHER:
-               cipher_xform = xform;
-               break;
-       case SNOW3G_OP_AUTH_CIPHER:
-               cipher_xform = xform->next;
-               /* Fall-through */
-       case SNOW3G_OP_ONLY_AUTH:
-               auth_xform = xform;
-               break;
-       case SNOW3G_OP_NOT_SUPPORTED:
-       default:
-               SNOW3G_LOG(ERR, "Unsupported operation chain order parameter");
-               return -ENOTSUP;
-       }
-
-       if (cipher_xform) {
-               /* Only SNOW 3G UEA2 supported */
-               if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_SNOW3G_UEA2)
-                       return -ENOTSUP;
-
-               if (cipher_xform->cipher.iv.length != SNOW3G_IV_LENGTH) {
-                       SNOW3G_LOG(ERR, "Wrong IV length");
-                       return -EINVAL;
-               }
-               if (cipher_xform->cipher.key.length > SNOW3G_MAX_KEY_SIZE) {
-                       SNOW3G_LOG(ERR, "Not enough memory to store the key");
-                       return -ENOMEM;
-               }
-
-               sess->cipher_iv_offset = cipher_xform->cipher.iv.offset;
-
-               /* Initialize key */
-               IMB_SNOW3G_INIT_KEY_SCHED(mgr, cipher_xform->cipher.key.data,
-                                       &sess->pKeySched_cipher);
-       }
-
-       if (auth_xform) {
-               /* Only SNOW 3G UIA2 supported */
-               if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_SNOW3G_UIA2)
-                       return -ENOTSUP;
-
-               if (auth_xform->auth.digest_length != SNOW3G_DIGEST_LENGTH) {
-                       SNOW3G_LOG(ERR, "Wrong digest length");
-                       return -EINVAL;
-               }
-               if (auth_xform->auth.key.length > SNOW3G_MAX_KEY_SIZE) {
-                       SNOW3G_LOG(ERR, "Not enough memory to store the key");
-                       return -ENOMEM;
-               }
-
-               sess->auth_op = auth_xform->auth.op;
-
-               if (auth_xform->auth.iv.length != SNOW3G_IV_LENGTH) {
-                       SNOW3G_LOG(ERR, "Wrong IV length");
-                       return -EINVAL;
-               }
-               sess->auth_iv_offset = auth_xform->auth.iv.offset;
-
-               /* Initialize key */
-               IMB_SNOW3G_INIT_KEY_SCHED(mgr, auth_xform->auth.key.data,
-                                       &sess->pKeySched_hash);
-       }
-
-       sess->op = mode;
-
-       return 0;
-}
-
-/** Get SNOW 3G session. */
-static struct snow3g_session *
-snow3g_get_session(struct snow3g_qp *qp, struct rte_crypto_op *op)
-{
-       struct snow3g_session *sess = NULL;
-
-       if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
-               if (likely(op->sym->session != NULL))
-                       sess = (struct snow3g_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_priv,
-                               (void **)&_sess_private_data))
-                       return NULL;
-
-               sess = (struct snow3g_session *)_sess_private_data;
-
-               if (unlikely(snow3g_set_session_parameters(qp->mgr, sess,
-                               op->sym->xform) != 0)) {
-                       rte_mempool_put(qp->sess_mp, _sess);
-                       rte_mempool_put(qp->sess_mp_priv, _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;
-}
-
-/** Encrypt/decrypt mbufs with same cipher key. */
-static uint8_t
-process_snow3g_cipher_op(struct snow3g_qp *qp, struct rte_crypto_op **ops,
-               struct snow3g_session *session,
-               uint8_t num_ops)
-{
-       unsigned i;
-       uint8_t processed_ops = 0;
-       const void *src[SNOW3G_MAX_BURST];
-       void *dst[SNOW3G_MAX_BURST];
-       const void *iv[SNOW3G_MAX_BURST];
-       uint32_t num_bytes[SNOW3G_MAX_BURST];
-
-       for (i = 0; i < num_ops; i++) {
-               src[i] = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
-                               (ops[i]->sym->cipher.data.offset >> 3);
-               dst[i] = ops[i]->sym->m_dst ?
-                       rte_pktmbuf_mtod(ops[i]->sym->m_dst, uint8_t *) +
-                               (ops[i]->sym->cipher.data.offset >> 3) :
-                       rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
-                               (ops[i]->sym->cipher.data.offset >> 3);
-               iv[i] = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
-                               session->cipher_iv_offset);
-               num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
-
-               processed_ops++;
-       }
-
-       IMB_SNOW3G_F8_N_BUFFER(qp->mgr, &session->pKeySched_cipher, iv,
-                       src, dst, num_bytes, processed_ops);
-
-       return processed_ops;
-}
-
-/** Encrypt/decrypt mbuf (bit level function). */
-static uint8_t
-process_snow3g_cipher_op_bit(struct snow3g_qp *qp,
-               struct rte_crypto_op *op,
-               struct snow3g_session *session)
-{
-       uint8_t *src, *dst;
-       uint8_t *iv;
-       uint32_t length_in_bits, offset_in_bits;
-
-       offset_in_bits = op->sym->cipher.data.offset;
-       src = rte_pktmbuf_mtod(op->sym->m_src, uint8_t *);
-       if (op->sym->m_dst == NULL) {
-               op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
-               SNOW3G_LOG(ERR, "bit-level in-place not supported\n");
-               return 0;
-       }
-       dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *);
-       iv = rte_crypto_op_ctod_offset(op, uint8_t *,
-                               session->cipher_iv_offset);
-       length_in_bits = op->sym->cipher.data.length;
-
-       IMB_SNOW3G_F8_1_BUFFER_BIT(qp->mgr, &session->pKeySched_cipher, iv,
-                       src, dst, length_in_bits, offset_in_bits);
-
-       return 1;
-}
-
-/** Generate/verify hash from mbufs with same hash key. */
-static int
-process_snow3g_hash_op(struct snow3g_qp *qp, struct rte_crypto_op **ops,
-               struct snow3g_session *session,
-               uint8_t num_ops)
-{
-       unsigned i;
-       uint8_t processed_ops = 0;
-       uint8_t *src, *dst;
-       uint32_t length_in_bits;
-       uint8_t *iv;
-
-       for (i = 0; i < num_ops; i++) {
-               /* Data must be byte aligned */
-               if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) {
-                       ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
-                       SNOW3G_LOG(ERR, "Offset");
-                       break;
-               }
-
-               length_in_bits = ops[i]->sym->auth.data.length;
-
-               src = rte_pktmbuf_mtod(ops[i]->sym->m_src, uint8_t *) +
-                               (ops[i]->sym->auth.data.offset >> 3);
-               iv = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
-                               session->auth_iv_offset);
-
-               if (session->auth_op == RTE_CRYPTO_AUTH_OP_VERIFY) {
-                       dst = qp->temp_digest;
-
-                       IMB_SNOW3G_F9_1_BUFFER(qp->mgr,
-                                       &session->pKeySched_hash,
-                                       iv, src, length_in_bits, dst);
-                       /* Verify digest. */
-                       if (memcmp(dst, ops[i]->sym->auth.digest.data,
-                                       SNOW3G_DIGEST_LENGTH) != 0)
-                               ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
-               } else  {
-                       dst = ops[i]->sym->auth.digest.data;
-
-                       IMB_SNOW3G_F9_1_BUFFER(qp->mgr,
-                                       &session->pKeySched_hash,
-                                       iv, src, length_in_bits, dst);
-               }
-               processed_ops++;
-       }
-
-       return processed_ops;
-}
-
-/** Process a batch of crypto ops which shares the same session. */
-static int
-process_ops(struct rte_crypto_op **ops, struct snow3g_session *session,
-               struct snow3g_qp *qp, uint8_t num_ops,
-               uint16_t *accumulated_enqueued_ops)
-{
-       unsigned i;
-       unsigned enqueued_ops, processed_ops;
-
-#ifdef RTE_LIBRTE_PMD_SNOW3G_DEBUG
-       for (i = 0; i < num_ops; i++) {
-               if (!rte_pktmbuf_is_contiguous(ops[i]->sym->m_src) ||
-                               (ops[i]->sym->m_dst != NULL &&
-                               !rte_pktmbuf_is_contiguous(
-                                               ops[i]->sym->m_dst))) {
-                       SNOW3G_LOG(ERR, "PMD supports only contiguous mbufs, "
-                               "op (%p) provides noncontiguous mbuf as "
-                               "source/destination buffer.\n", ops[i]);
-                       ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
-                       return 0;
-               }
-       }
-#endif
-
-       switch (session->op) {
-       case SNOW3G_OP_ONLY_CIPHER:
-               processed_ops = process_snow3g_cipher_op(qp, ops,
-                               session, num_ops);
-               break;
-       case SNOW3G_OP_ONLY_AUTH:
-               processed_ops = process_snow3g_hash_op(qp, ops, session,
-                               num_ops);
-               break;
-       case SNOW3G_OP_CIPHER_AUTH:
-               processed_ops = process_snow3g_cipher_op(qp, ops, session,
-                               num_ops);
-               process_snow3g_hash_op(qp, ops, session, processed_ops);
-               break;
-       case SNOW3G_OP_AUTH_CIPHER:
-               processed_ops = process_snow3g_hash_op(qp, ops, session,
-                               num_ops);
-               process_snow3g_cipher_op(qp, ops, session, processed_ops);
-               break;
-       default:
-               /* Operation not supported. */
-               processed_ops = 0;
-       }
-
-       for (i = 0; i < num_ops; i++) {
-               /*
-                * If there was no error/authentication failure,
-                * change status to successful.
-                */
-               if (ops[i]->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
-                       ops[i]->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
-               /* Free session if a session-less crypto op. */
-               if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
-                       memset(session, 0, sizeof(struct snow3g_session));
-                       memset(ops[i]->sym->session, 0,
-                       rte_cryptodev_sym_get_existing_header_session_size(
-                                       ops[i]->sym->session));
-                       rte_mempool_put(qp->sess_mp_priv, session);
-                       rte_mempool_put(qp->sess_mp, ops[i]->sym->session);
-                       ops[i]->sym->session = NULL;
-               }
-       }
-
-       enqueued_ops = rte_ring_enqueue_burst(qp->processed_ops,
-                       (void **)ops, processed_ops, NULL);
-       qp->qp_stats.enqueued_count += enqueued_ops;
-       *accumulated_enqueued_ops += enqueued_ops;
-
-       return enqueued_ops;
-}
-
-/** Process a crypto op with length/offset in bits. */
-static int
-process_op_bit(struct rte_crypto_op *op, struct snow3g_session *session,
-               struct snow3g_qp *qp, uint16_t *accumulated_enqueued_ops)
-{
-       unsigned enqueued_op, processed_op;
-
-       switch (session->op) {
-       case SNOW3G_OP_ONLY_CIPHER:
-               processed_op = process_snow3g_cipher_op_bit(qp, op,
-                               session);
-               break;
-       case SNOW3G_OP_ONLY_AUTH:
-               processed_op = process_snow3g_hash_op(qp, &op, session, 1);
-               break;
-       case SNOW3G_OP_CIPHER_AUTH:
-               processed_op = process_snow3g_cipher_op_bit(qp, op, session);
-               if (processed_op == 1)
-                       process_snow3g_hash_op(qp, &op, session, 1);
-               break;
-       case SNOW3G_OP_AUTH_CIPHER:
-               processed_op = process_snow3g_hash_op(qp, &op, session, 1);
-               if (processed_op == 1)
-                       process_snow3g_cipher_op_bit(qp, op, session);
-               break;
-       default:
-               /* Operation not supported. */
-               processed_op = 0;
-       }
-
-       /*
-        * If there was no error/authentication failure,
-        * change status to successful.
-        */
-       if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
-               op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
-
-       /* Free session if a session-less crypto op. */
-       if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
-               memset(op->sym->session, 0, sizeof(struct snow3g_session));
-               rte_cryptodev_sym_session_free(op->sym->session);
-               op->sym->session = NULL;
-       }
-
-       enqueued_op = rte_ring_enqueue_burst(qp->processed_ops,
-                       (void **)&op, processed_op, NULL);
-       qp->qp_stats.enqueued_count += enqueued_op;
-       *accumulated_enqueued_ops += enqueued_op;
-
-       return enqueued_op;
-}
-
-static uint16_t
-snow3g_pmd_enqueue_burst(void *queue_pair, struct rte_crypto_op **ops,
-               uint16_t nb_ops)
-{
-       struct rte_crypto_op *c_ops[SNOW3G_MAX_BURST];
-       struct rte_crypto_op *curr_c_op;
-
-       struct snow3g_session *prev_sess = NULL, *curr_sess = NULL;
-       struct snow3g_qp *qp = queue_pair;
-       unsigned i;
-       uint8_t burst_size = 0;
-       uint16_t enqueued_ops = 0;
-       uint8_t processed_ops;
-
-       for (i = 0; i < nb_ops; i++) {
-               curr_c_op = ops[i];
-
-               /* Set status as enqueued (not processed yet) by default. */
-               curr_c_op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
-
-               curr_sess = snow3g_get_session(qp, curr_c_op);
-               if (unlikely(curr_sess == NULL ||
-                               curr_sess->op == SNOW3G_OP_NOT_SUPPORTED)) {
-                       curr_c_op->status =
-                                       RTE_CRYPTO_OP_STATUS_INVALID_SESSION;
-                       break;
-               }
-
-               /* If length/offset is at bit-level, process this buffer alone. */
-               if (((curr_c_op->sym->cipher.data.length % BYTE_LEN) != 0)
-                               || ((curr_c_op->sym->cipher.data.offset
-                                       % BYTE_LEN) != 0)) {
-                       /* Process the ops of the previous session. */
-                       if (prev_sess != NULL) {
-                               processed_ops = process_ops(c_ops, prev_sess,
-                               qp, burst_size, &enqueued_ops);
-                               if (processed_ops < burst_size) {
-                                       burst_size = 0;
-                                       break;
-                               }
-
-                               burst_size = 0;
-                               prev_sess = NULL;
-                       }
-
-                       processed_ops = process_op_bit(curr_c_op, curr_sess,
-                                                       qp, &enqueued_ops);
-                       if (processed_ops != 1)
-                               break;
-
-                       continue;
-               }
-
-               /* Batch ops that share the same session. */
-               if (prev_sess == NULL) {
-                       prev_sess = curr_sess;
-                       c_ops[burst_size++] = curr_c_op;
-               } else if (curr_sess == prev_sess) {
-                       c_ops[burst_size++] = curr_c_op;
-                       /*
-                        * When there are enough ops to process in a batch,
-                        * process them, and start a new batch.
-                        */
-                       if (burst_size == SNOW3G_MAX_BURST) {
-                               processed_ops = process_ops(c_ops, prev_sess,
-                                               qp, burst_size, &enqueued_ops);
-                               if (processed_ops < burst_size) {
-                                       burst_size = 0;
-                                       break;
-                               }
-
-                               burst_size = 0;
-                               prev_sess = NULL;
-                       }
-               } else {
-                       /*
-                        * Different session, process the ops
-                        * of the previous session.
-                        */
-                       processed_ops = process_ops(c_ops, prev_sess,
-                                       qp, burst_size, &enqueued_ops);
-                       if (processed_ops < burst_size) {
-                               burst_size = 0;
-                               break;
-                       }
-
-                       burst_size = 0;
-                       prev_sess = curr_sess;
-
-                       c_ops[burst_size++] = curr_c_op;
-               }
-       }
-
-       if (burst_size != 0) {
-               /* Process the crypto ops of the last session. */
-               processed_ops = process_ops(c_ops, prev_sess,
-                               qp, burst_size, &enqueued_ops);
-       }
-
-       qp->qp_stats.enqueue_err_count += nb_ops - enqueued_ops;
-       return enqueued_ops;
-}
-
-static uint16_t
-snow3g_pmd_dequeue_burst(void *queue_pair,
-               struct rte_crypto_op **c_ops, uint16_t nb_ops)
-{
-       struct snow3g_qp *qp = queue_pair;
-
-       unsigned nb_dequeued;
-
-       nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
-                       (void **)c_ops, nb_ops, NULL);
-       qp->qp_stats.dequeued_count += nb_dequeued;
-
-       return nb_dequeued;
-}
-
-static int cryptodev_snow3g_remove(struct rte_vdev_device *vdev);
-
-static int
-cryptodev_snow3g_create(const char *name,
-                       struct rte_vdev_device *vdev,
-                       struct rte_cryptodev_pmd_init_params *init_params)
-{
-       struct rte_cryptodev *dev;
-       struct snow3g_private *internals;
-       MB_MGR *mgr;
-
-       dev = rte_cryptodev_pmd_create(name, &vdev->device, init_params);
-       if (dev == NULL) {
-               SNOW3G_LOG(ERR, "failed to create cryptodev vdev");
-               goto init_error;
-       }
-
-       dev->driver_id = cryptodev_driver_id;
-       dev->dev_ops = rte_snow3g_pmd_ops;
-
-       /* Register RX/TX burst functions for data path. */
-       dev->dequeue_burst = snow3g_pmd_dequeue_burst;
-       dev->enqueue_burst = snow3g_pmd_enqueue_burst;
-
-       dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
-                       RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
-                       RTE_CRYPTODEV_FF_NON_BYTE_ALIGNED_DATA |
-                       RTE_CRYPTODEV_FF_SYM_SESSIONLESS |
-                       RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT;
-
-       mgr = alloc_mb_mgr(0);
-       if (mgr == NULL)
-               return -ENOMEM;
-
-       if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2)) {
-               dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX2;
-               init_mb_mgr_avx2(mgr);
-       } else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX)) {
-               dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
-               init_mb_mgr_avx(mgr);
-       } else {
-               dev->feature_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
-               init_mb_mgr_sse(mgr);
-       }
-
-       internals = dev->data->dev_private;
-       internals->mgr = mgr;
-
-       internals->max_nb_queue_pairs = init_params->max_nb_queue_pairs;
-
-       return 0;
-init_error:
-       SNOW3G_LOG(ERR, "driver %s: cryptodev_snow3g_create failed",
-                       init_params->name);
-
-       cryptodev_snow3g_remove(vdev);
-       return -EFAULT;
-}
-
-static int
-cryptodev_snow3g_probe(struct rte_vdev_device *vdev)
-{
-       struct rte_cryptodev_pmd_init_params init_params = {
-               "",
-               sizeof(struct snow3g_private),
-               rte_socket_id(),
-               RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS
-       };
-       const char *name;
-       const char *input_args;
-
-       name = rte_vdev_device_name(vdev);
-       if (name == NULL)
-               return -EINVAL;
-       input_args = rte_vdev_device_args(vdev);
-
-       rte_cryptodev_pmd_parse_input_args(&init_params, input_args);
-
-       return cryptodev_snow3g_create(name, vdev, &init_params);
-}
-
-static int
-cryptodev_snow3g_remove(struct rte_vdev_device *vdev)
-{
-       struct rte_cryptodev *cryptodev;
-       const char *name;
-       struct snow3g_private *internals;
-
-       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->mgr);
-
-       return rte_cryptodev_pmd_destroy(cryptodev);
-}
-
-static struct rte_vdev_driver cryptodev_snow3g_pmd_drv = {
-       .probe = cryptodev_snow3g_probe,
-       .remove = cryptodev_snow3g_remove
-};
-
-static struct cryptodev_driver snow3g_crypto_drv;
-
-RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_SNOW3G_PMD, cryptodev_snow3g_pmd_drv);
-RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_SNOW3G_PMD, cryptodev_snow3g_pmd);
-RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_SNOW3G_PMD,
-       "max_nb_queue_pairs=<int> "
-       "socket_id=<int>");
-RTE_PMD_REGISTER_CRYPTO_DRIVER(snow3g_crypto_drv,
-               cryptodev_snow3g_pmd_drv.driver, cryptodev_driver_id);
-RTE_LOG_REGISTER_DEFAULT(snow3g_logtype_driver, INFO);
diff --git a/drivers/crypto/snow3g/rte_snow3g_pmd_ops.c b/drivers/crypto/snow3g/rte_snow3g_pmd_ops.c
deleted file mode 100644 (file)
index 3f46014..0000000
+++ /dev/null
@@ -1,323 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2016-2018 Intel Corporation
- */
-
-#include <string.h>
-
-#include <rte_common.h>
-#include <rte_malloc.h>
-#include <cryptodev_pmd.h>
-
-#include "snow3g_pmd_private.h"
-
-static const struct rte_cryptodev_capabilities snow3g_pmd_capabilities[] = {
-       {       /* SNOW 3G (UIA2) */
-               .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
-               {.sym = {
-                       .xform_type = RTE_CRYPTO_SYM_XFORM_AUTH,
-                       {.auth = {
-                               .algo = RTE_CRYPTO_AUTH_SNOW3G_UIA2,
-                               .block_size = 16,
-                               .key_size = {
-                                       .min = 16,
-                                       .max = 16,
-                                       .increment = 0
-                               },
-                               .digest_size = {
-                                       .min = 4,
-                                       .max = 4,
-                                       .increment = 0
-                               },
-                               .iv_size = {
-                                       .min = 16,
-                                       .max = 16,
-                                       .increment = 0
-                               }
-                       }, }
-               }, }
-       },
-       {       /* SNOW 3G (UEA2) */
-               .op = RTE_CRYPTO_OP_TYPE_SYMMETRIC,
-               {.sym = {
-                       .xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER,
-                       {.cipher = {
-                               .algo = RTE_CRYPTO_CIPHER_SNOW3G_UEA2,
-                               .block_size = 16,
-                               .key_size = {
-                                       .min = 16,
-                                       .max = 16,
-                                       .increment = 0
-                               },
-                               .iv_size = {
-                                       .min = 16,
-                                       .max = 16,
-                                       .increment = 0
-                               }
-                       }, }
-               }, }
-       },
-       RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
-};
-
-/** Configure device */
-static int
-snow3g_pmd_config(__rte_unused struct rte_cryptodev *dev,
-               __rte_unused struct rte_cryptodev_config *config)
-{
-       return 0;
-}
-
-/** Start device */
-static int
-snow3g_pmd_start(__rte_unused struct rte_cryptodev *dev)
-{
-       return 0;
-}
-
-/** Stop device */
-static void
-snow3g_pmd_stop(__rte_unused struct rte_cryptodev *dev)
-{
-}
-
-/** Close device */
-static int
-snow3g_pmd_close(__rte_unused struct rte_cryptodev *dev)
-{
-       return 0;
-}
-
-
-/** Get device statistics */
-static void
-snow3g_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 snow3g_qp *qp = dev->data->queue_pairs[qp_id];
-
-               stats->enqueued_count += qp->qp_stats.enqueued_count;
-               stats->dequeued_count += qp->qp_stats.dequeued_count;
-
-               stats->enqueue_err_count += qp->qp_stats.enqueue_err_count;
-               stats->dequeue_err_count += qp->qp_stats.dequeue_err_count;
-       }
-}
-
-/** Reset device statistics */
-static void
-snow3g_pmd_stats_reset(struct rte_cryptodev *dev)
-{
-       int qp_id;
-
-       for (qp_id = 0; qp_id < dev->data->nb_queue_pairs; qp_id++) {
-               struct snow3g_qp *qp = dev->data->queue_pairs[qp_id];
-
-               memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
-       }
-}
-
-
-/** Get device info */
-static void
-snow3g_pmd_info_get(struct rte_cryptodev *dev,
-               struct rte_cryptodev_info *dev_info)
-{
-       struct snow3g_private *internals = dev->data->dev_private;
-
-       if (dev_info != NULL) {
-               dev_info->driver_id = dev->driver_id;
-               dev_info->max_nb_queue_pairs = internals->max_nb_queue_pairs;
-               /* No limit of number of sessions */
-               dev_info->sym.max_nb_sessions = 0;
-               dev_info->feature_flags = dev->feature_flags;
-               dev_info->capabilities = snow3g_pmd_capabilities;
-       }
-}
-
-/** Release queue pair */
-static int
-snow3g_pmd_qp_release(struct rte_cryptodev *dev, uint16_t qp_id)
-{
-       if (dev->data->queue_pairs[qp_id] != NULL) {
-               struct snow3g_qp *qp = dev->data->queue_pairs[qp_id];
-
-               if (qp->processed_ops)
-                       rte_ring_free(qp->processed_ops);
-
-               rte_free(dev->data->queue_pairs[qp_id]);
-               dev->data->queue_pairs[qp_id] = NULL;
-       }
-       return 0;
-}
-
-/** set a unique name for the queue pair based on its name, dev_id and qp_id */
-static int
-snow3g_pmd_qp_set_unique_name(struct rte_cryptodev *dev,
-               struct snow3g_qp *qp)
-{
-       unsigned n = snprintf(qp->name, sizeof(qp->name),
-                       "snow3g_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 ops on */
-static struct rte_ring *
-snow3g_pmd_qp_create_processed_ops_ring(struct snow3g_qp *qp,
-               unsigned ring_size, int socket_id)
-{
-       struct rte_ring *r;
-
-       r = rte_ring_lookup(qp->name);
-       if (r) {
-               if (rte_ring_get_size(r) >= ring_size) {
-                       SNOW3G_LOG(INFO, "Reusing existing ring %s"
-                                       " for processed packets",
-                                        qp->name);
-                       return r;
-               }
-
-               SNOW3G_LOG(ERR, "Unable to reuse existing ring %s"
-                               " for processed packets",
-                                qp->name);
-               return NULL;
-       }
-
-       return rte_ring_create(qp->name, ring_size, socket_id,
-                       RING_F_SP_ENQ | RING_F_SC_DEQ);
-}
-
-/** Setup a queue pair */
-static int
-snow3g_pmd_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
-               const struct rte_cryptodev_qp_conf *qp_conf,
-               int socket_id)
-{
-       struct snow3g_qp *qp = NULL;
-       struct snow3g_private *internals = dev->data->dev_private;
-
-       /* Free memory prior to re-allocation if needed. */
-       if (dev->data->queue_pairs[qp_id] != NULL)
-               snow3g_pmd_qp_release(dev, qp_id);
-
-       /* Allocate the queue pair data structure. */
-       qp = rte_zmalloc_socket("SNOW 3G 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 (snow3g_pmd_qp_set_unique_name(dev, qp))
-               goto qp_setup_cleanup;
-
-       qp->processed_ops = snow3g_pmd_qp_create_processed_ops_ring(qp,
-                       qp_conf->nb_descriptors, socket_id);
-       if (qp->processed_ops == NULL)
-               goto qp_setup_cleanup;
-
-       qp->mgr = internals->mgr;
-       qp->sess_mp = qp_conf->mp_session;
-       qp->sess_mp_priv = qp_conf->mp_session_private;
-
-       memset(&qp->qp_stats, 0, sizeof(qp->qp_stats));
-
-       return 0;
-
-qp_setup_cleanup:
-       if (qp)
-               rte_free(qp);
-
-       return -1;
-}
-
-/** Returns the size of the SNOW 3G session structure */
-static unsigned
-snow3g_pmd_sym_session_get_size(struct rte_cryptodev *dev __rte_unused)
-{
-       return sizeof(struct snow3g_session);
-}
-
-/** Configure a SNOW 3G session from a crypto xform chain */
-static int
-snow3g_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;
-       int ret;
-       struct snow3g_private *internals = dev->data->dev_private;
-
-       if (unlikely(sess == NULL)) {
-               SNOW3G_LOG(ERR, "invalid session struct");
-               return -EINVAL;
-       }
-
-       if (rte_mempool_get(mempool, &sess_private_data)) {
-               SNOW3G_LOG(ERR,
-                       "Couldn't get object from session mempool");
-               return -ENOMEM;
-       }
-
-       ret = snow3g_set_session_parameters(internals->mgr,
-                                       sess_private_data, xform);
-       if (ret != 0) {
-               SNOW3G_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
-snow3g_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 snow3g_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 snow3g_pmd_ops = {
-               .dev_configure      = snow3g_pmd_config,
-               .dev_start          = snow3g_pmd_start,
-               .dev_stop           = snow3g_pmd_stop,
-               .dev_close          = snow3g_pmd_close,
-
-               .stats_get          = snow3g_pmd_stats_get,
-               .stats_reset        = snow3g_pmd_stats_reset,
-
-               .dev_infos_get      = snow3g_pmd_info_get,
-
-               .queue_pair_setup   = snow3g_pmd_qp_setup,
-               .queue_pair_release = snow3g_pmd_qp_release,
-
-               .sym_session_get_size   = snow3g_pmd_sym_session_get_size,
-               .sym_session_configure  = snow3g_pmd_sym_session_configure,
-               .sym_session_clear      = snow3g_pmd_sym_session_clear
-};
-
-struct rte_cryptodev_ops *rte_snow3g_pmd_ops = &snow3g_pmd_ops;
diff --git a/drivers/crypto/snow3g/snow3g_pmd_private.h b/drivers/crypto/snow3g/snow3g_pmd_private.h
deleted file mode 100644 (file)
index 23cf078..0000000
+++ /dev/null
@@ -1,84 +0,0 @@
-/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2016-2019 Intel Corporation
- */
-
-#ifndef _SNOW3G_PMD_PRIVATE_H_
-#define _SNOW3G_PMD_PRIVATE_H_
-
-#include <intel-ipsec-mb.h>
-
-#define CRYPTODEV_NAME_SNOW3G_PMD      crypto_snow3g
-/**< SNOW 3G PMD device name */
-
-/** SNOW 3G PMD LOGTYPE DRIVER */
-extern int snow3g_logtype_driver;
-
-#define SNOW3G_LOG(level, fmt, ...)  \
-       rte_log(RTE_LOG_ ## level, snow3g_logtype_driver,  \
-                       "%s() line %u: " fmt "\n", __func__, __LINE__,  \
-                                       ## __VA_ARGS__)
-
-#define SNOW3G_DIGEST_LENGTH 4
-#define SNOW3G_MAX_KEY_SIZE  128
-
-/** private data structure for each virtual SNOW 3G device */
-struct snow3g_private {
-       unsigned max_nb_queue_pairs;
-       /**< Max number of queue pairs supported by device */
-       MB_MGR *mgr;
-       /**< Multi-buffer instance */
-};
-
-/** SNOW 3G buffer queue pair */
-struct snow3g_qp {
-       uint16_t id;
-       /**< Queue Pair Identifier */
-       char name[RTE_CRYPTODEV_NAME_MAX_LEN];
-       /**< Unique Queue Pair Name */
-       struct rte_ring *processed_ops;
-       /**< Ring for placing processed ops */
-       struct rte_mempool *sess_mp;
-       /**< Session Mempool */
-       struct rte_mempool *sess_mp_priv;
-       /**< Session Private Data Mempool */
-       struct rte_cryptodev_stats qp_stats;
-       /**< Queue pair statistics */
-       uint8_t temp_digest[SNOW3G_DIGEST_LENGTH];
-       /**< Buffer used to store the digest generated
-        * by the driver when verifying a digest provided
-        * by the user (using authentication verify operation)
-        */
-       MB_MGR *mgr;
-       /**< Multi-buffer instance */
-} __rte_cache_aligned;
-
-enum snow3g_operation {
-       SNOW3G_OP_ONLY_CIPHER,
-       SNOW3G_OP_ONLY_AUTH,
-       SNOW3G_OP_CIPHER_AUTH,
-       SNOW3G_OP_AUTH_CIPHER,
-       SNOW3G_OP_NOT_SUPPORTED
-};
-
-/** SNOW 3G private session structure */
-struct snow3g_session {
-       enum snow3g_operation op;
-       enum rte_crypto_auth_operation auth_op;
-       snow3g_key_schedule_t pKeySched_cipher;
-       snow3g_key_schedule_t pKeySched_hash;
-       uint16_t cipher_iv_offset;
-       uint16_t auth_iv_offset;
-} __rte_cache_aligned;
-
-
-extern int
-snow3g_set_session_parameters(MB_MGR *mgr, struct snow3g_session *sess,
-               const struct rte_crypto_sym_xform *xform);
-
-
-/** device specific operations function pointer structure */
-extern struct rte_cryptodev_ops *rte_snow3g_pmd_ops;
-
-
-
-#endif /* _SNOW3G_PMD_PRIVATE_H_ */
diff --git a/drivers/crypto/snow3g/version.map b/drivers/crypto/snow3g/version.map
deleted file mode 100644 (file)
index c2e0723..0000000
+++ /dev/null
@@ -1,3 +0,0 @@
-DPDK_22 {
-       local: *;
-};