#include <rte_bus_pci.h>
#include <rte_cryptodev.h>
#include <rte_cryptodev_pmd.h>
+#include <rte_errno.h>
#include <rte_malloc.h>
-
-#include "cpt_pmd_logs.h"
-#include "cpt_pmd_ops_helper.h"
-#include "cpt_ucode.h"
-#include "cpt_request_mgr.h"
+#include <rte_mempool.h>
#include "otx_cryptodev.h"
#include "otx_cryptodev_capabilities.h"
#include "otx_cryptodev_hw_access.h"
+#include "otx_cryptodev_mbox.h"
#include "otx_cryptodev_ops.h"
-static int otx_cryptodev_probe_count;
-static rte_spinlock_t otx_probe_count_lock = RTE_SPINLOCK_INITIALIZER;
+#include "cpt_pmd_logs.h"
+#include "cpt_pmd_ops_helper.h"
+#include "cpt_ucode.h"
+#include "cpt_ucode_asym.h"
-static struct rte_mempool *otx_cpt_meta_pool;
-static int otx_cpt_op_mlen;
-static int otx_cpt_op_sb_mlen;
+static uint64_t otx_fpm_iova[CPT_EC_ID_PMAX];
/* Forward declarations */
static int
otx_cpt_que_pair_release(struct rte_cryptodev *dev, uint16_t que_pair_id);
-/*
- * Initializes global variables used by fast-path code
- *
- * @return
- * - 0 on success, errcode on error
- */
-static int
-init_global_resources(void)
-{
- /* Get meta len for scatter gather mode */
- otx_cpt_op_mlen = cpt_pmd_ops_helper_get_mlen_sg_mode();
-
- /* Extra 4B saved for future considerations */
- otx_cpt_op_mlen += 4 * sizeof(uint64_t);
-
- otx_cpt_meta_pool = rte_mempool_create("cpt_metabuf-pool", 4096 * 16,
- otx_cpt_op_mlen, 512, 0,
- NULL, NULL, NULL, NULL,
- SOCKET_ID_ANY, 0);
- if (!otx_cpt_meta_pool) {
- CPT_LOG_ERR("cpt metabuf pool not created");
- return -ENOMEM;
- }
-
- /* Get meta len for direct mode */
- otx_cpt_op_sb_mlen = cpt_pmd_ops_helper_get_mlen_direct_mode();
-
- /* Extra 4B saved for future considerations */
- otx_cpt_op_sb_mlen += 4 * sizeof(uint64_t);
-
- return 0;
-}
-
-void
-cleanup_global_resources(void)
-{
- /* Take lock */
- rte_spinlock_lock(&otx_probe_count_lock);
-
- /* Decrement the cryptodev count */
- otx_cryptodev_probe_count--;
-
- /* Free buffers */
- if (otx_cpt_meta_pool && otx_cryptodev_probe_count == 0)
- rte_mempool_free(otx_cpt_meta_pool);
-
- /* Free lock */
- rte_spinlock_unlock(&otx_probe_count_lock);
-}
-
/* Alarm routines */
static void
/* PMD ops */
static int
-otx_cpt_dev_config(struct rte_cryptodev *dev __rte_unused,
+otx_cpt_dev_config(struct rte_cryptodev *dev,
struct rte_cryptodev_config *config __rte_unused)
{
+ int ret = 0;
+
CPT_PMD_INIT_FUNC_TRACE();
- return 0;
+
+ if (dev->feature_flags & RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO)
+ /* Initialize shared FPM table */
+ ret = cpt_fpm_init(otx_fpm_iova);
+
+ return ret;
}
static int
CPT_PMD_INIT_FUNC_TRACE();
+ if (c_dev->feature_flags & RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO)
+ cpt_fpm_clear();
+
otx_cpt_stop_device(cptvf);
}
if (info != NULL) {
info->max_nb_queue_pairs = CPT_NUM_QS_PER_VF;
info->feature_flags = dev->feature_flags;
- info->capabilities = otx_get_capabilities();
+ info->capabilities = otx_get_capabilities(info->feature_flags);
info->sym.max_nb_sessions = 0;
info->driver_id = otx_cryptodev_driver_id;
info->min_mbuf_headroom_req = OTX_CPT_MIN_HEADROOM_REQ;
}
}
-static void
-otx_cpt_stats_get(struct rte_cryptodev *dev __rte_unused,
- struct rte_cryptodev_stats *stats __rte_unused)
-{
- CPT_PMD_INIT_FUNC_TRACE();
-}
-
-static void
-otx_cpt_stats_reset(struct rte_cryptodev *dev __rte_unused)
-{
- CPT_PMD_INIT_FUNC_TRACE();
-}
-
static int
otx_cpt_que_pair_setup(struct rte_cryptodev *dev,
uint16_t que_pair_id,
const struct rte_cryptodev_qp_conf *qp_conf,
int socket_id __rte_unused)
{
- void *cptvf = dev->data->dev_private;
struct cpt_instance *instance = NULL;
struct rte_pci_device *pci_dev;
int ret = -1;
return -EIO;
}
- ret = otx_cpt_get_resource(cptvf, 0, &instance);
+ ret = otx_cpt_get_resource(dev, 0, &instance, que_pair_id);
if (ret != 0 || instance == NULL) {
CPT_LOG_ERR("Error getting instance handle from device %s : "
"ret = %d", dev->data->name, ret);
}
instance->queue_id = que_pair_id;
+ instance->sess_mp = qp_conf->mp_session;
+ instance->sess_mp_priv = qp_conf->mp_session_private;
dev->data->queue_pairs[que_pair_id] = instance;
return 0;
return cpt_get_session_size();
}
-static void
-otx_cpt_session_init(void *sym_sess, uint8_t driver_id)
+static int
+sym_xform_verify(struct rte_crypto_sym_xform *xform)
{
- struct rte_cryptodev_sym_session *sess = sym_sess;
- struct cpt_sess_misc *cpt_sess =
- (struct cpt_sess_misc *) get_sym_session_private_data(sess, driver_id);
-
- CPT_PMD_INIT_FUNC_TRACE();
- cpt_sess->ctx_dma_addr = rte_mempool_virt2iova(cpt_sess) +
- sizeof(struct cpt_sess_misc);
+ if (xform->next) {
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
+ xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
+ xform->next->cipher.op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
+ return -ENOTSUP;
+
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
+ xform->cipher.op == RTE_CRYPTO_CIPHER_OP_DECRYPT &&
+ xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH)
+ return -ENOTSUP;
+
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
+ xform->cipher.algo == RTE_CRYPTO_CIPHER_3DES_CBC &&
+ xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
+ xform->next->auth.algo == RTE_CRYPTO_AUTH_SHA1)
+ return -ENOTSUP;
+
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
+ xform->auth.algo == RTE_CRYPTO_AUTH_SHA1 &&
+ xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
+ xform->next->cipher.algo == RTE_CRYPTO_CIPHER_3DES_CBC)
+ return -ENOTSUP;
+
+ } else {
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
+ xform->auth.algo == RTE_CRYPTO_AUTH_NULL &&
+ xform->auth.op == RTE_CRYPTO_AUTH_OP_VERIFY)
+ return -ENOTSUP;
+ }
+ return 0;
}
static int
-otx_cpt_session_cfg(struct rte_cryptodev *dev,
- struct rte_crypto_sym_xform *xform,
- struct rte_cryptodev_sym_session *sess,
- struct rte_mempool *mempool)
+sym_session_configure(int driver_id, struct rte_crypto_sym_xform *xform,
+ struct rte_cryptodev_sym_session *sess,
+ struct rte_mempool *pool)
{
- struct rte_crypto_sym_xform *chain;
- void *sess_private_data = NULL;
-
- CPT_PMD_INIT_FUNC_TRACE();
-
- if (cpt_is_algo_supported(xform))
- goto err;
+ struct cpt_sess_misc *misc;
+ void *priv;
+ int ret;
- if (unlikely(sess == NULL)) {
- CPT_LOG_ERR("invalid session struct");
- return -EINVAL;
- }
+ ret = sym_xform_verify(xform);
+ if (unlikely(ret))
+ return ret;
- if (rte_mempool_get(mempool, &sess_private_data)) {
- CPT_LOG_ERR("Could not allocate sess_private_data");
+ if (unlikely(rte_mempool_get(pool, &priv))) {
+ CPT_LOG_ERR("Could not allocate session private data");
return -ENOMEM;
}
- chain = xform;
- while (chain) {
- switch (chain->type) {
+ memset(priv, 0, sizeof(struct cpt_sess_misc) +
+ offsetof(struct cpt_ctx, fctx));
+
+ misc = priv;
+
+ for ( ; xform != NULL; xform = xform->next) {
+ switch (xform->type) {
case RTE_CRYPTO_SYM_XFORM_AEAD:
- if (fill_sess_aead(chain, sess_private_data))
- goto err;
+ ret = fill_sess_aead(xform, misc);
break;
case RTE_CRYPTO_SYM_XFORM_CIPHER:
- if (fill_sess_cipher(chain, sess_private_data))
- goto err;
+ ret = fill_sess_cipher(xform, misc);
break;
case RTE_CRYPTO_SYM_XFORM_AUTH:
- if (chain->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC) {
- if (fill_sess_gmac(chain, sess_private_data))
- goto err;
- } else {
- if (fill_sess_auth(chain, sess_private_data))
- goto err;
- }
+ if (xform->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC)
+ ret = fill_sess_gmac(xform, misc);
+ else
+ ret = fill_sess_auth(xform, misc);
break;
default:
- CPT_LOG_ERR("Invalid crypto xform type");
- break;
+ ret = -1;
}
- chain = chain->next;
+
+ if (ret)
+ goto priv_put;
}
- set_sym_session_private_data(sess, dev->driver_id, sess_private_data);
- otx_cpt_session_init(sess, dev->driver_id);
+
+ set_sym_session_private_data(sess, driver_id, priv);
+
+ misc->ctx_dma_addr = rte_mempool_virt2iova(misc) +
+ sizeof(struct cpt_sess_misc);
+
return 0;
-err:
- if (sess_private_data)
- rte_mempool_put(mempool, sess_private_data);
- return -EPERM;
+priv_put:
+ if (priv)
+ rte_mempool_put(pool, priv);
+ return -ENOTSUP;
+}
+
+static void
+sym_session_clear(int driver_id, struct rte_cryptodev_sym_session *sess)
+{
+ void *priv = get_sym_session_private_data(sess, driver_id);
+ struct rte_mempool *pool;
+
+ if (priv == NULL)
+ return;
+
+ memset(priv, 0, cpt_get_session_size());
+
+ pool = rte_mempool_from_obj(priv);
+
+ set_sym_session_private_data(sess, driver_id, NULL);
+
+ rte_mempool_put(pool, priv);
+}
+
+static int
+otx_cpt_session_cfg(struct rte_cryptodev *dev,
+ struct rte_crypto_sym_xform *xform,
+ struct rte_cryptodev_sym_session *sess,
+ struct rte_mempool *pool)
+{
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ return sym_session_configure(dev->driver_id, xform, sess, pool);
}
+
static void
otx_cpt_session_clear(struct rte_cryptodev *dev,
struct rte_cryptodev_sym_session *sess)
{
- void *sess_priv = get_sym_session_private_data(sess, dev->driver_id);
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ return sym_session_clear(dev->driver_id, sess);
+}
+
+static unsigned int
+otx_cpt_asym_session_size_get(struct rte_cryptodev *dev __rte_unused)
+{
+ return sizeof(struct cpt_asym_sess_misc);
+}
+
+static int
+otx_cpt_asym_session_cfg(struct rte_cryptodev *dev,
+ struct rte_crypto_asym_xform *xform __rte_unused,
+ struct rte_cryptodev_asym_session *sess,
+ struct rte_mempool *pool)
+{
+ struct cpt_asym_sess_misc *priv;
+ int ret;
CPT_PMD_INIT_FUNC_TRACE();
- if (sess_priv) {
- memset(sess_priv, 0, otx_cpt_get_session_size(dev));
- struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv);
- set_sym_session_private_data(sess, dev->driver_id, NULL);
- rte_mempool_put(sess_mp, sess_priv);
+
+ if (rte_mempool_get(pool, (void **)&priv)) {
+ CPT_LOG_ERR("Could not allocate session private data");
+ return -ENOMEM;
+ }
+
+ memset(priv, 0, sizeof(struct cpt_asym_sess_misc));
+
+ ret = cpt_fill_asym_session_parameters(priv, xform);
+ if (ret) {
+ CPT_LOG_ERR("Could not configure session parameters");
+
+ /* Return session to mempool */
+ rte_mempool_put(pool, priv);
+ return ret;
}
+
+ set_asym_session_private_data(sess, dev->driver_id, priv);
+ return 0;
}
-static uint16_t
-otx_cpt_pkt_enqueue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
+static void
+otx_cpt_asym_session_clear(struct rte_cryptodev *dev,
+ struct rte_cryptodev_asym_session *sess)
+{
+ struct cpt_asym_sess_misc *priv;
+ struct rte_mempool *sess_mp;
+
+ CPT_PMD_INIT_FUNC_TRACE();
+
+ priv = get_asym_session_private_data(sess, dev->driver_id);
+
+ if (priv == NULL)
+ return;
+
+ /* Free resources allocated during session configure */
+ cpt_free_asym_session_parameters(priv);
+ memset(priv, 0, otx_cpt_asym_session_size_get(dev));
+ sess_mp = rte_mempool_from_obj(priv);
+ set_asym_session_private_data(sess, dev->driver_id, NULL);
+ rte_mempool_put(sess_mp, priv);
+}
+
+static __rte_always_inline int32_t __rte_hot
+otx_cpt_request_enqueue(struct cpt_instance *instance,
+ struct pending_queue *pqueue,
+ void *req)
+{
+ struct cpt_request_info *user_req = (struct cpt_request_info *)req;
+
+ if (unlikely(pqueue->pending_count >= DEFAULT_CMD_QLEN))
+ return -EAGAIN;
+
+ fill_cpt_inst(instance, req);
+
+ CPT_LOG_DP_DEBUG("req: %p op: %p ", req, user_req->op);
+
+ /* Fill time_out cycles */
+ user_req->time_out = rte_get_timer_cycles() +
+ DEFAULT_COMMAND_TIMEOUT * rte_get_timer_hz();
+ user_req->extra_time = 0;
+
+ /* Default mode of software queue */
+ mark_cpt_inst(instance);
+
+ pqueue->rid_queue[pqueue->enq_tail].rid = (uintptr_t)user_req;
+
+ /* We will use soft queue length here to limit requests */
+ MOD_INC(pqueue->enq_tail, DEFAULT_CMD_QLEN);
+ pqueue->pending_count += 1;
+
+ CPT_LOG_DP_DEBUG("Submitted NB cmd with request: %p "
+ "op: %p", user_req, user_req->op);
+ return 0;
+}
+
+static __rte_always_inline int __rte_hot
+otx_cpt_enq_single_asym(struct cpt_instance *instance,
+ struct rte_crypto_op *op,
+ struct pending_queue *pqueue)
+{
+ struct cpt_qp_meta_info *minfo = &instance->meta_info;
+ struct rte_crypto_asym_op *asym_op = op->asym;
+ struct asym_op_params params = {0};
+ struct cpt_asym_sess_misc *sess;
+ uintptr_t *cop;
+ void *mdata;
+ int ret;
+
+ if (unlikely(rte_mempool_get(minfo->pool, &mdata) < 0)) {
+ CPT_LOG_DP_ERR("Could not allocate meta buffer for request");
+ return -ENOMEM;
+ }
+
+ sess = get_asym_session_private_data(asym_op->session,
+ otx_cryptodev_driver_id);
+
+ /* Store phys_addr of the mdata to meta_buf */
+ params.meta_buf = rte_mempool_virt2iova(mdata);
+
+ cop = mdata;
+ cop[0] = (uintptr_t)mdata;
+ cop[1] = (uintptr_t)op;
+ cop[2] = cop[3] = 0ULL;
+
+ params.req = RTE_PTR_ADD(cop, 4 * sizeof(uintptr_t));
+ params.req->op = cop;
+
+ /* Adjust meta_buf by crypto_op data and request_info struct */
+ params.meta_buf += (4 * sizeof(uintptr_t)) +
+ sizeof(struct cpt_request_info);
+
+ switch (sess->xfrm_type) {
+ case RTE_CRYPTO_ASYM_XFORM_MODEX:
+ ret = cpt_modex_prep(¶ms, &sess->mod_ctx);
+ if (unlikely(ret))
+ goto req_fail;
+ break;
+ case RTE_CRYPTO_ASYM_XFORM_RSA:
+ ret = cpt_enqueue_rsa_op(op, ¶ms, sess);
+ if (unlikely(ret))
+ goto req_fail;
+ break;
+ case RTE_CRYPTO_ASYM_XFORM_ECDSA:
+ ret = cpt_enqueue_ecdsa_op(op, ¶ms, sess, otx_fpm_iova);
+ if (unlikely(ret))
+ goto req_fail;
+ break;
+ case RTE_CRYPTO_ASYM_XFORM_ECPM:
+ ret = cpt_ecpm_prep(&asym_op->ecpm, ¶ms,
+ sess->ec_ctx.curveid);
+ if (unlikely(ret))
+ goto req_fail;
+ break;
+
+ default:
+ op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+ ret = -EINVAL;
+ goto req_fail;
+ }
+
+ ret = otx_cpt_request_enqueue(instance, pqueue, params.req);
+
+ if (unlikely(ret)) {
+ CPT_LOG_DP_ERR("Could not enqueue crypto req");
+ goto req_fail;
+ }
+
+ return 0;
+
+req_fail:
+ free_op_meta(mdata, minfo->pool);
+
+ return ret;
+}
+
+static __rte_always_inline int __rte_hot
+otx_cpt_enq_single_sym(struct cpt_instance *instance,
+ struct rte_crypto_op *op,
+ struct pending_queue *pqueue)
+{
+ struct cpt_sess_misc *sess;
+ struct rte_crypto_sym_op *sym_op = op->sym;
+ void *prep_req, *mdata = NULL;
+ int ret = 0;
+ uint64_t cpt_op;
+
+ sess = (struct cpt_sess_misc *)
+ get_sym_session_private_data(sym_op->session,
+ otx_cryptodev_driver_id);
+
+ cpt_op = sess->cpt_op;
+
+ if (likely(cpt_op & CPT_OP_CIPHER_MASK))
+ ret = fill_fc_params(op, sess, &instance->meta_info, &mdata,
+ &prep_req);
+ else
+ ret = fill_digest_params(op, sess, &instance->meta_info,
+ &mdata, &prep_req);
+
+ if (unlikely(ret)) {
+ CPT_LOG_DP_ERR("prep cryto req : op %p, cpt_op 0x%x "
+ "ret 0x%x", op, (unsigned int)cpt_op, ret);
+ return ret;
+ }
+
+ /* Enqueue prepared instruction to h/w */
+ ret = otx_cpt_request_enqueue(instance, pqueue, prep_req);
+
+ if (unlikely(ret)) {
+ /* Buffer allocated for request preparation need to be freed */
+ free_op_meta(mdata, instance->meta_info.pool);
+ return ret;
+ }
+
+ return 0;
+}
+
+static __rte_always_inline int __rte_hot
+otx_cpt_enq_single_sym_sessless(struct cpt_instance *instance,
+ struct rte_crypto_op *op,
+ struct pending_queue *pend_q)
+{
+ const int driver_id = otx_cryptodev_driver_id;
+ struct rte_crypto_sym_op *sym_op = op->sym;
+ struct rte_cryptodev_sym_session *sess;
+ int ret;
+
+ /* Create temporary session */
+
+ if (rte_mempool_get(instance->sess_mp, (void **)&sess))
+ return -ENOMEM;
+
+ ret = sym_session_configure(driver_id, sym_op->xform, sess,
+ instance->sess_mp_priv);
+ if (ret)
+ goto sess_put;
+
+ sym_op->session = sess;
+
+ ret = otx_cpt_enq_single_sym(instance, op, pend_q);
+
+ if (unlikely(ret))
+ goto priv_put;
+
+ return 0;
+
+priv_put:
+ sym_session_clear(driver_id, sess);
+sess_put:
+ rte_mempool_put(instance->sess_mp, sess);
+ return ret;
+}
+
+#define OP_TYPE_SYM 0
+#define OP_TYPE_ASYM 1
+
+static __rte_always_inline int __rte_hot
+otx_cpt_enq_single(struct cpt_instance *inst,
+ struct rte_crypto_op *op,
+ struct pending_queue *pqueue,
+ const uint8_t op_type)
+{
+ /* Check for the type */
+
+ if (op_type == OP_TYPE_SYM) {
+ if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
+ return otx_cpt_enq_single_sym(inst, op, pqueue);
+ else
+ return otx_cpt_enq_single_sym_sessless(inst, op,
+ pqueue);
+ }
+
+ if (op_type == OP_TYPE_ASYM) {
+ if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION)
+ return otx_cpt_enq_single_asym(inst, op, pqueue);
+ }
+
+ /* Should not reach here */
+ return -ENOTSUP;
+}
+
+static __rte_always_inline uint16_t __rte_hot
+otx_cpt_pkt_enqueue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops,
+ const uint8_t op_type)
{
struct cpt_instance *instance = (struct cpt_instance *)qptr;
- uint16_t count = 0;
+ uint16_t count;
int ret;
struct cpt_vf *cptvf = (struct cpt_vf *)instance;
struct pending_queue *pqueue = &cptvf->pqueue;
count = 0;
while (likely(count < nb_ops)) {
- ret = cpt_pmd_crypto_operation(instance, ops[count], pqueue,
- otx_cryptodev_driver_id);
+
+ /* Enqueue single op */
+ ret = otx_cpt_enq_single(instance, ops[count], pqueue, op_type);
+
if (unlikely(ret))
break;
count++;
}
static uint16_t
-otx_cpt_pkt_dequeue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
+otx_cpt_enqueue_asym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
+{
+ return otx_cpt_pkt_enqueue(qptr, ops, nb_ops, OP_TYPE_ASYM);
+}
+
+static uint16_t
+otx_cpt_enqueue_sym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
+{
+ return otx_cpt_pkt_enqueue(qptr, ops, nb_ops, OP_TYPE_SYM);
+}
+
+static inline void
+otx_cpt_asym_rsa_op(struct rte_crypto_op *cop, struct cpt_request_info *req,
+ struct rte_crypto_rsa_xform *rsa_ctx)
+
+{
+ struct rte_crypto_rsa_op_param *rsa = &cop->asym->rsa;
+
+ switch (rsa->op_type) {
+ case RTE_CRYPTO_ASYM_OP_ENCRYPT:
+ rsa->cipher.length = rsa_ctx->n.length;
+ memcpy(rsa->cipher.data, req->rptr, rsa->cipher.length);
+ break;
+ case RTE_CRYPTO_ASYM_OP_DECRYPT:
+ if (rsa->pad == RTE_CRYPTO_RSA_PADDING_NONE)
+ rsa->message.length = rsa_ctx->n.length;
+ else {
+ /* Get length of decrypted output */
+ rsa->message.length = rte_cpu_to_be_16
+ (*((uint16_t *)req->rptr));
+
+ /* Offset data pointer by length fields */
+ req->rptr += 2;
+ }
+ memcpy(rsa->message.data, req->rptr, rsa->message.length);
+ break;
+ case RTE_CRYPTO_ASYM_OP_SIGN:
+ rsa->sign.length = rsa_ctx->n.length;
+ memcpy(rsa->sign.data, req->rptr, rsa->sign.length);
+ break;
+ case RTE_CRYPTO_ASYM_OP_VERIFY:
+ if (rsa->pad == RTE_CRYPTO_RSA_PADDING_NONE)
+ rsa->sign.length = rsa_ctx->n.length;
+ else {
+ /* Get length of decrypted output */
+ rsa->sign.length = rte_cpu_to_be_16
+ (*((uint16_t *)req->rptr));
+
+ /* Offset data pointer by length fields */
+ req->rptr += 2;
+ }
+ memcpy(rsa->sign.data, req->rptr, rsa->sign.length);
+
+ if (memcmp(rsa->sign.data, rsa->message.data,
+ rsa->message.length)) {
+ CPT_LOG_DP_ERR("RSA verification failed");
+ cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
+ }
+ break;
+ default:
+ CPT_LOG_DP_DEBUG("Invalid RSA operation type");
+ cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+ break;
+ }
+}
+
+static __rte_always_inline void
+otx_cpt_asym_dequeue_ecdsa_op(struct rte_crypto_ecdsa_op_param *ecdsa,
+ struct cpt_request_info *req,
+ struct cpt_asym_ec_ctx *ec)
+
+{
+ int prime_len = ec_grp[ec->curveid].prime.length;
+
+ if (ecdsa->op_type == RTE_CRYPTO_ASYM_OP_VERIFY)
+ return;
+
+ /* Separate out sign r and s components */
+ memcpy(ecdsa->r.data, req->rptr, prime_len);
+ memcpy(ecdsa->s.data, req->rptr + ROUNDUP8(prime_len), prime_len);
+ ecdsa->r.length = prime_len;
+ ecdsa->s.length = prime_len;
+}
+
+static __rte_always_inline void
+otx_cpt_asym_dequeue_ecpm_op(struct rte_crypto_ecpm_op_param *ecpm,
+ struct cpt_request_info *req,
+ struct cpt_asym_ec_ctx *ec)
+{
+ int prime_len = ec_grp[ec->curveid].prime.length;
+
+ memcpy(ecpm->r.x.data, req->rptr, prime_len);
+ memcpy(ecpm->r.y.data, req->rptr + ROUNDUP8(prime_len), prime_len);
+ ecpm->r.x.length = prime_len;
+ ecpm->r.y.length = prime_len;
+}
+
+static __rte_always_inline void __rte_hot
+otx_cpt_asym_post_process(struct rte_crypto_op *cop,
+ struct cpt_request_info *req)
+{
+ struct rte_crypto_asym_op *op = cop->asym;
+ struct cpt_asym_sess_misc *sess;
+
+ sess = get_asym_session_private_data(op->session,
+ otx_cryptodev_driver_id);
+
+ switch (sess->xfrm_type) {
+ case RTE_CRYPTO_ASYM_XFORM_RSA:
+ otx_cpt_asym_rsa_op(cop, req, &sess->rsa_ctx);
+ break;
+ case RTE_CRYPTO_ASYM_XFORM_MODEX:
+ op->modex.result.length = sess->mod_ctx.modulus.length;
+ memcpy(op->modex.result.data, req->rptr,
+ op->modex.result.length);
+ break;
+ case RTE_CRYPTO_ASYM_XFORM_ECDSA:
+ otx_cpt_asym_dequeue_ecdsa_op(&op->ecdsa, req, &sess->ec_ctx);
+ break;
+ case RTE_CRYPTO_ASYM_XFORM_ECPM:
+ otx_cpt_asym_dequeue_ecpm_op(&op->ecpm, req, &sess->ec_ctx);
+ break;
+ default:
+ CPT_LOG_DP_DEBUG("Invalid crypto xform type");
+ cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
+ break;
+ }
+}
+
+static __rte_always_inline void __rte_hot
+otx_cpt_dequeue_post_process(struct rte_crypto_op *cop, uintptr_t *rsp,
+ const uint8_t op_type)
+{
+ /* H/w has returned success */
+ cop->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
+
+ /* Perform further post processing */
+
+ if ((op_type == OP_TYPE_SYM) &&
+ (cop->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC)) {
+ /* Check if auth verify need to be completed */
+ if (unlikely(rsp[2]))
+ compl_auth_verify(cop, (uint8_t *)rsp[2], rsp[3]);
+ return;
+ }
+
+ if ((op_type == OP_TYPE_ASYM) &&
+ (cop->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC)) {
+ rsp = RTE_PTR_ADD(rsp, 4 * sizeof(uintptr_t));
+ otx_cpt_asym_post_process(cop, (struct cpt_request_info *)rsp);
+ }
+
+ return;
+}
+
+static __rte_always_inline uint16_t __rte_hot
+otx_cpt_pkt_dequeue(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops,
+ const uint8_t op_type)
{
struct cpt_instance *instance = (struct cpt_instance *)qptr;
+ struct cpt_request_info *user_req;
struct cpt_vf *cptvf = (struct cpt_vf *)instance;
+ struct rid *rid_e;
+ uint8_t cc[nb_ops];
+ int i, count, pcount;
+ uint8_t ret;
+ int nb_completed;
struct pending_queue *pqueue = &cptvf->pqueue;
- uint16_t nb_completed, i = 0;
- uint8_t compcode[nb_ops];
+ struct rte_crypto_op *cop;
+ void *metabuf;
+ uintptr_t *rsp;
+
+ pcount = pqueue->pending_count;
+ count = (nb_ops > pcount) ? pcount : nb_ops;
+
+ for (i = 0; i < count; i++) {
+ rid_e = &pqueue->rid_queue[pqueue->deq_head];
+ user_req = (struct cpt_request_info *)(rid_e->rid);
+
+ if (likely((i+1) < count))
+ rte_prefetch_non_temporal((void *)rid_e[1].rid);
+
+ ret = check_nb_command_id(user_req, instance);
+
+ if (unlikely(ret == ERR_REQ_PENDING)) {
+ /* Stop checking for completions */
+ break;
+ }
+
+ /* Return completion code and op handle */
+ cc[i] = ret;
+ ops[i] = user_req->op;
+
+ CPT_LOG_DP_DEBUG("Request %p Op %p completed with code %d",
+ user_req, user_req->op, ret);
- nb_completed = cpt_dequeue_burst(instance, nb_ops,
- (void **)ops, compcode, pqueue);
- while (likely(i < nb_completed)) {
- struct rte_crypto_op *cop;
- void *metabuf;
- uintptr_t *rsp;
- uint8_t status;
+ MOD_INC(pqueue->deq_head, DEFAULT_CMD_QLEN);
+ pqueue->pending_count -= 1;
+ }
+
+ nb_completed = i;
+
+ for (i = 0; i < nb_completed; i++) {
rsp = (void *)ops[i];
- status = compcode[i];
+
if (likely((i + 1) < nb_completed))
rte_prefetch0(ops[i+1]);
+
metabuf = (void *)rsp[0];
cop = (void *)rsp[1];
ops[i] = cop;
- if (likely(status == 0)) {
- if (likely(!rsp[2]))
- cop->status =
- RTE_CRYPTO_OP_STATUS_SUCCESS;
- else
- compl_auth_verify(cop, (uint8_t *)rsp[2],
- rsp[3]);
- } else if (status == ERR_GC_ICV_MISCOMPARE) {
- /*auth data mismatch */
+ /* Check completion code */
+
+ if (likely(cc[i] == 0)) {
+ /* H/w success pkt. Post process */
+ otx_cpt_dequeue_post_process(cop, rsp, op_type);
+ } else if (cc[i] == ERR_GC_ICV_MISCOMPARE) {
+ /* auth data mismatch */
cop->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
} else {
+ /* Error */
cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
}
- free_op_meta(metabuf, cptvf->meta_info.cptvf_meta_pool);
- i++;
+
+ if (unlikely(cop->sess_type == RTE_CRYPTO_OP_SESSIONLESS)) {
+ void *sess_private_data_t =
+ get_sym_session_private_data(cop->sym->session,
+ otx_cryptodev_driver_id);
+ memset(sess_private_data_t, 0,
+ cpt_get_session_size());
+ memset(cop->sym->session, 0,
+ rte_cryptodev_sym_get_existing_header_session_size(
+ cop->sym->session));
+ rte_mempool_put(instance->sess_mp_priv,
+ sess_private_data_t);
+ rte_mempool_put(instance->sess_mp, cop->sym->session);
+ cop->sym->session = NULL;
+ }
+ free_op_meta(metabuf, instance->meta_info.pool);
}
+
return nb_completed;
}
+static uint16_t
+otx_cpt_dequeue_asym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
+{
+ return otx_cpt_pkt_dequeue(qptr, ops, nb_ops, OP_TYPE_ASYM);
+}
+
+static uint16_t
+otx_cpt_dequeue_sym(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
+{
+ return otx_cpt_pkt_dequeue(qptr, ops, nb_ops, OP_TYPE_SYM);
+}
+
static struct rte_cryptodev_ops cptvf_ops = {
/* Device related operations */
.dev_configure = otx_cpt_dev_config,
.dev_close = otx_cpt_dev_close,
.dev_infos_get = otx_cpt_dev_info_get,
- .stats_get = otx_cpt_stats_get,
- .stats_reset = otx_cpt_stats_reset,
+ .stats_get = NULL,
+ .stats_reset = NULL,
.queue_pair_setup = otx_cpt_que_pair_setup,
.queue_pair_release = otx_cpt_que_pair_release,
- .queue_pair_count = NULL,
/* Crypto related operations */
.sym_session_get_size = otx_cpt_get_session_size,
.sym_session_configure = otx_cpt_session_cfg,
- .sym_session_clear = otx_cpt_session_clear
-};
+ .sym_session_clear = otx_cpt_session_clear,
-static void
-otx_cpt_common_vars_init(struct cpt_vf *cptvf)
-{
- cptvf->meta_info.cptvf_meta_pool = otx_cpt_meta_pool;
- cptvf->meta_info.cptvf_op_mlen = otx_cpt_op_mlen;
- cptvf->meta_info.cptvf_op_sb_mlen = otx_cpt_op_sb_mlen;
-}
+ .asym_session_get_size = otx_cpt_asym_session_size_get,
+ .asym_session_configure = otx_cpt_asym_session_cfg,
+ .asym_session_clear = otx_cpt_asym_session_clear,
+};
int
otx_cpt_dev_create(struct rte_cryptodev *c_dev)
goto fail;
}
- /* Start off timer for mailbox interrupts */
- otx_cpt_periodic_alarm_start(cptvf);
-
- rte_spinlock_lock(&otx_probe_count_lock);
- if (!otx_cryptodev_probe_count) {
- ret = init_global_resources();
- if (ret) {
- rte_spinlock_unlock(&otx_probe_count_lock);
- goto init_fail;
- }
+ switch (cptvf->vftype) {
+ case OTX_CPT_VF_TYPE_AE:
+ /* Set asymmetric cpt feature flags */
+ c_dev->feature_flags = RTE_CRYPTODEV_FF_ASYMMETRIC_CRYPTO |
+ RTE_CRYPTODEV_FF_HW_ACCELERATED |
+ RTE_CRYPTODEV_FF_RSA_PRIV_OP_KEY_QT;
+ break;
+ case OTX_CPT_VF_TYPE_SE:
+ /* Set symmetric cpt feature flags */
+ c_dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
+ RTE_CRYPTODEV_FF_HW_ACCELERATED |
+ RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
+ RTE_CRYPTODEV_FF_IN_PLACE_SGL |
+ RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
+ RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT |
+ RTE_CRYPTODEV_FF_NON_BYTE_ALIGNED_DATA |
+ RTE_CRYPTODEV_FF_SYM_SESSIONLESS;
+ break;
+ default:
+ /* Feature not supported. Abort */
+ CPT_LOG_ERR("VF type not supported by %s", dev_name);
+ ret = -EIO;
+ goto deinit_dev;
}
- otx_cryptodev_probe_count++;
- rte_spinlock_unlock(&otx_probe_count_lock);
- /* Initialize data path variables used by common code */
- otx_cpt_common_vars_init(cptvf);
+ /* Start off timer for mailbox interrupts */
+ otx_cpt_periodic_alarm_start(cptvf);
c_dev->dev_ops = &cptvf_ops;
- c_dev->enqueue_burst = otx_cpt_pkt_enqueue;
- c_dev->dequeue_burst = otx_cpt_pkt_dequeue;
-
- c_dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
- RTE_CRYPTODEV_FF_HW_ACCELERATED |
- RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
- RTE_CRYPTODEV_FF_IN_PLACE_SGL |
- RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
- RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT;
+ if (c_dev->feature_flags & RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO) {
+ c_dev->enqueue_burst = otx_cpt_enqueue_sym;
+ c_dev->dequeue_burst = otx_cpt_dequeue_sym;
+ } else {
+ c_dev->enqueue_burst = otx_cpt_enqueue_asym;
+ c_dev->dequeue_burst = otx_cpt_dequeue_asym;
+ }
/* Save dev private data */
c_dev->data->dev_private = cptvf;
return 0;
-init_fail:
- otx_cpt_periodic_alarm_stop(cptvf);
+deinit_dev:
otx_cpt_deinit_device(cptvf);
fail:
git.droids-corp.org / dpdk.git / blobdiff