crypto/cnxk: add asymmetric datapath

Add asymmetric crypto datapath for cn9k and cn10k PMD.

Signed-off-by: Kiran Kumar K <kirankumark@marvell.com>
Acked-by: Akhil Goyal <gakhil@marvell.com>
This commit is contained in:
Kiran Kumar K 2021-06-29 13:04:34 +05:30 committed by Akhil Goyal
parent 5a3513caeb
commit 6661bedf16
3 changed files with 679 additions and 2 deletions

View File

@ -10,6 +10,7 @@
#include "cn10k_cryptodev_ops.h"
#include "cn10k_ipsec_la_ops.h"
#include "cn10k_ipsec.h"
#include "cnxk_ae.h"
#include "cnxk_cryptodev.h"
#include "cnxk_cryptodev_ops.h"
#include "cnxk_se.h"
@ -100,7 +101,9 @@ cn10k_cpt_fill_inst(struct cnxk_cpt_qp *qp, struct rte_crypto_op *ops[],
struct cpt_inst_s inst[], struct cpt_inflight_req *infl_req)
{
struct cn10k_sec_session *sec_sess;
struct rte_crypto_asym_op *asym_op;
struct rte_crypto_sym_op *sym_op;
struct cnxk_ae_sess *ae_sess;
struct cnxk_se_sess *sess;
struct rte_crypto_op *op;
uint64_t w7;
@ -148,6 +151,21 @@ cn10k_cpt_fill_inst(struct cnxk_cpt_qp *qp, struct rte_crypto_op *ops[],
}
w7 = sess->cpt_inst_w7;
}
} else if (op->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
asym_op = op->asym;
ae_sess = get_asym_session_private_data(
asym_op->session, cn10k_cryptodev_driver_id);
ret = cnxk_ae_enqueue(qp, op, infl_req, &inst[0],
ae_sess);
if (unlikely(ret))
return 0;
w7 = ae_sess->cpt_inst_w7;
} else {
plt_dp_err("Not supported Asym op without session");
return 0;
}
} else {
plt_dp_err("Unsupported op type");
return 0;
@ -303,6 +321,15 @@ cn10k_cpt_dequeue_post_process(struct cnxk_cpt_qp *qp,
compl_auth_verify(cop, (uint8_t *)rsp[0],
rsp[1]);
}
} else if (cop->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
struct rte_crypto_asym_op *op = cop->asym;
uintptr_t *mdata = infl_req->mdata;
struct cnxk_ae_sess *sess;
sess = get_asym_session_private_data(
op->session, cn10k_cryptodev_driver_id);
cnxk_ae_post_process(cop, sess, (uint8_t *)mdata[0]);
}
} else {
cop->status = RTE_CRYPTO_OP_STATUS_ERROR;

View File

@ -7,6 +7,7 @@
#include "cn9k_cryptodev.h"
#include "cn9k_cryptodev_ops.h"
#include "cnxk_ae.h"
#include "cnxk_cryptodev.h"
#include "cnxk_cryptodev_ops.h"
#include "cnxk_se.h"
@ -65,11 +66,11 @@ static uint16_t
cn9k_cpt_enqueue_burst(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
{
struct cpt_inflight_req *infl_req;
struct rte_crypto_asym_op *asym_op;
struct rte_crypto_sym_op *sym_op;
uint16_t nb_allowed, count = 0;
struct cnxk_cpt_qp *qp = qptr;
struct pending_queue *pend_q;
struct cnxk_se_sess *sess;
struct rte_crypto_op *op;
struct cpt_inst_s inst;
uint64_t lmt_status;
@ -95,6 +96,8 @@ cn9k_cpt_enqueue_burst(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
infl_req->op_flags = 0;
if (op->type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
struct cnxk_se_sess *sess;
if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
sym_op = op->sym;
sess = get_sym_session_private_data(
@ -120,6 +123,20 @@ cn9k_cpt_enqueue_burst(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
op->sym->session);
}
}
inst.w7.u64 = sess->cpt_inst_w7;
} else if (op->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
struct cnxk_ae_sess *sess;
ret = -EINVAL;
if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
asym_op = op->asym;
sess = get_asym_session_private_data(
asym_op->session,
cn9k_cryptodev_driver_id);
ret = cnxk_ae_enqueue(qp, op, infl_req, &inst,
sess);
inst.w7.u64 = sess->cpt_inst_w7;
}
} else {
plt_dp_err("Unsupported op type");
break;
@ -134,7 +151,6 @@ cn9k_cpt_enqueue_burst(void *qptr, struct rte_crypto_op **ops, uint16_t nb_ops)
infl_req->res.cn9k.compcode = CPT_COMP_NOT_DONE;
inst.res_addr = (uint64_t)&infl_req->res;
inst.w7.u64 = sess->cpt_inst_w7;
do {
/* Copy CPT command to LMTLINE */
@ -189,6 +205,15 @@ cn9k_cpt_dequeue_post_process(struct cnxk_cpt_qp *qp, struct rte_crypto_op *cop,
compl_auth_verify(cop, (uint8_t *)rsp[0],
rsp[1]);
}
} else if (cop->type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
struct rte_crypto_asym_op *op = cop->asym;
uintptr_t *mdata = infl_req->mdata;
struct cnxk_ae_sess *sess;
sess = get_asym_session_private_data(
op->session, cn9k_cryptodev_driver_id);
cnxk_ae_post_process(cop, sess, (uint8_t *)mdata[0]);
}
} else {
cop->status = RTE_CRYPTO_OP_STATUS_ERROR;

View File

@ -208,4 +208,629 @@ cnxk_ae_free_session_parameters(struct cnxk_ae_sess *sess)
break;
}
}
static __rte_always_inline int
cnxk_ae_modex_prep(struct rte_crypto_op *op, struct roc_ae_buf_ptr *meta_buf,
struct rte_crypto_modex_xform *mod, struct cpt_inst_s *inst)
{
uint32_t exp_len = mod->exponent.length;
uint32_t mod_len = mod->modulus.length;
struct rte_crypto_mod_op_param mod_op;
uint64_t total_key_len;
union cpt_inst_w4 w4;
uint32_t base_len;
uint32_t dlen;
uint8_t *dptr;
mod_op = op->asym->modex;
base_len = mod_op.base.length;
if (unlikely(base_len > mod_len)) {
op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
return -ENOTSUP;
}
total_key_len = mod_len + exp_len;
/* Input buffer */
dptr = meta_buf->vaddr;
inst->dptr = (uintptr_t)dptr;
memcpy(dptr, mod->modulus.data, total_key_len);
dptr += total_key_len;
memcpy(dptr, mod_op.base.data, base_len);
dptr += base_len;
dlen = total_key_len + base_len;
/* Setup opcodes */
w4.s.opcode_major = ROC_AE_MAJOR_OP_MODEX;
w4.s.opcode_minor = ROC_AE_MINOR_OP_MODEX;
w4.s.param1 = mod_len;
w4.s.param2 = exp_len;
w4.s.dlen = dlen;
inst->w4.u64 = w4.u64;
inst->rptr = (uintptr_t)dptr;
return 0;
}
static __rte_always_inline void
cnxk_ae_rsa_prep(struct rte_crypto_op *op, struct roc_ae_buf_ptr *meta_buf,
struct rte_crypto_rsa_xform *rsa,
rte_crypto_param *crypto_param, struct cpt_inst_s *inst)
{
struct rte_crypto_rsa_op_param rsa_op;
uint32_t mod_len = rsa->n.length;
uint32_t exp_len = rsa->e.length;
uint64_t total_key_len;
union cpt_inst_w4 w4;
uint32_t in_size;
uint32_t dlen;
uint8_t *dptr;
rsa_op = op->asym->rsa;
total_key_len = mod_len + exp_len;
/* Input buffer */
dptr = meta_buf->vaddr;
inst->dptr = (uintptr_t)dptr;
memcpy(dptr, rsa->n.data, total_key_len);
dptr += total_key_len;
in_size = crypto_param->length;
memcpy(dptr, crypto_param->data, in_size);
dptr += in_size;
dlen = total_key_len + in_size;
if (rsa_op.pad == RTE_CRYPTO_RSA_PADDING_NONE) {
/* Use mod_exp operation for no_padding type */
w4.s.opcode_minor = ROC_AE_MINOR_OP_MODEX;
w4.s.param2 = exp_len;
} else {
if (rsa_op.op_type == RTE_CRYPTO_ASYM_OP_ENCRYPT) {
w4.s.opcode_minor = ROC_AE_MINOR_OP_PKCS_ENC;
/* Public key encrypt, use BT2*/
w4.s.param2 = ROC_AE_CPT_BLOCK_TYPE2 |
((uint16_t)(exp_len) << 1);
} else if (rsa_op.op_type == RTE_CRYPTO_ASYM_OP_VERIFY) {
w4.s.opcode_minor = ROC_AE_MINOR_OP_PKCS_DEC;
/* Public key decrypt, use BT1 */
w4.s.param2 = ROC_AE_CPT_BLOCK_TYPE1;
}
}
w4.s.opcode_major = ROC_AE_MAJOR_OP_MODEX;
w4.s.param1 = mod_len;
w4.s.dlen = dlen;
inst->w4.u64 = w4.u64;
inst->rptr = (uintptr_t)dptr;
}
static __rte_always_inline void
cnxk_ae_rsa_crt_prep(struct rte_crypto_op *op, struct roc_ae_buf_ptr *meta_buf,
struct rte_crypto_rsa_xform *rsa,
rte_crypto_param *crypto_param, struct cpt_inst_s *inst)
{
uint32_t qInv_len = rsa->qt.qInv.length;
struct rte_crypto_rsa_op_param rsa_op;
uint32_t dP_len = rsa->qt.dP.length;
uint32_t dQ_len = rsa->qt.dQ.length;
uint32_t p_len = rsa->qt.p.length;
uint32_t q_len = rsa->qt.q.length;
uint32_t mod_len = rsa->n.length;
uint64_t total_key_len;
union cpt_inst_w4 w4;
uint32_t in_size;
uint32_t dlen;
uint8_t *dptr;
rsa_op = op->asym->rsa;
total_key_len = p_len + q_len + dP_len + dQ_len + qInv_len;
/* Input buffer */
dptr = meta_buf->vaddr;
inst->dptr = (uintptr_t)dptr;
memcpy(dptr, rsa->qt.q.data, total_key_len);
dptr += total_key_len;
in_size = crypto_param->length;
memcpy(dptr, crypto_param->data, in_size);
dptr += in_size;
dlen = total_key_len + in_size;
if (rsa_op.pad == RTE_CRYPTO_RSA_PADDING_NONE) {
/*Use mod_exp operation for no_padding type */
w4.s.opcode_minor = ROC_AE_MINOR_OP_MODEX_CRT;
} else {
if (rsa_op.op_type == RTE_CRYPTO_ASYM_OP_SIGN) {
w4.s.opcode_minor = ROC_AE_MINOR_OP_PKCS_ENC_CRT;
/* Private encrypt, use BT1 */
w4.s.param2 = ROC_AE_CPT_BLOCK_TYPE1;
} else if (rsa_op.op_type == RTE_CRYPTO_ASYM_OP_DECRYPT) {
w4.s.opcode_minor = ROC_AE_MINOR_OP_PKCS_DEC_CRT;
/* Private decrypt, use BT2 */
w4.s.param2 = ROC_AE_CPT_BLOCK_TYPE2;
}
}
w4.s.opcode_major = ROC_AE_MAJOR_OP_MODEX;
w4.s.param1 = mod_len;
w4.s.dlen = dlen;
inst->w4.u64 = w4.u64;
inst->rptr = (uintptr_t)dptr;
}
static __rte_always_inline int __rte_hot
cnxk_ae_enqueue_rsa_op(struct rte_crypto_op *op,
struct roc_ae_buf_ptr *meta_buf,
struct cnxk_ae_sess *sess, struct cpt_inst_s *inst)
{
struct rte_crypto_rsa_op_param *rsa = &op->asym->rsa;
switch (rsa->op_type) {
case RTE_CRYPTO_ASYM_OP_VERIFY:
cnxk_ae_rsa_prep(op, meta_buf, &sess->rsa_ctx, &rsa->sign,
inst);
break;
case RTE_CRYPTO_ASYM_OP_ENCRYPT:
cnxk_ae_rsa_prep(op, meta_buf, &sess->rsa_ctx, &rsa->message,
inst);
break;
case RTE_CRYPTO_ASYM_OP_SIGN:
cnxk_ae_rsa_crt_prep(op, meta_buf, &sess->rsa_ctx,
&rsa->message, inst);
break;
case RTE_CRYPTO_ASYM_OP_DECRYPT:
cnxk_ae_rsa_crt_prep(op, meta_buf, &sess->rsa_ctx, &rsa->cipher,
inst);
break;
default:
op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
return -EINVAL;
}
return 0;
}
static __rte_always_inline void
cnxk_ae_ecdsa_sign_prep(struct rte_crypto_ecdsa_op_param *ecdsa,
struct roc_ae_buf_ptr *meta_buf,
uint64_t fpm_table_iova, struct roc_ae_ec_group *ec_grp,
uint8_t curveid, struct cpt_inst_s *inst)
{
uint16_t message_len = ecdsa->message.length;
uint16_t pkey_len = ecdsa->pkey.length;
uint16_t p_align, k_align, m_align;
uint16_t k_len = ecdsa->k.length;
uint16_t order_len, prime_len;
uint16_t o_offset, pk_offset;
union cpt_inst_w4 w4;
uint16_t dlen;
uint8_t *dptr;
prime_len = ec_grp->prime.length;
order_len = ec_grp->order.length;
/* Truncate input length to curve prime length */
if (message_len > prime_len)
message_len = prime_len;
m_align = RTE_ALIGN_CEIL(message_len, 8);
p_align = RTE_ALIGN_CEIL(prime_len, 8);
k_align = RTE_ALIGN_CEIL(k_len, 8);
/* Set write offset for order and private key */
o_offset = prime_len - order_len;
pk_offset = prime_len - pkey_len;
/* Input buffer */
dptr = meta_buf->vaddr;
inst->dptr = (uintptr_t)dptr;
/*
* Set dlen = sum(sizeof(fpm address), ROUNDUP8(scalar len, input len),
* ROUNDUP8(priv key len, prime len, order len)).
* Please note, private key, order cannot exceed prime
* length i.e 3 * p_align.
*/
dlen = sizeof(fpm_table_iova) + k_align + m_align + p_align * 3;
memset(dptr, 0, dlen);
*(uint64_t *)dptr = fpm_table_iova;
dptr += sizeof(fpm_table_iova);
memcpy(dptr, ecdsa->k.data, k_len);
dptr += k_align;
memcpy(dptr, ec_grp->prime.data, prime_len);
dptr += p_align;
memcpy(dptr + o_offset, ec_grp->order.data, order_len);
dptr += p_align;
memcpy(dptr + pk_offset, ecdsa->pkey.data, pkey_len);
dptr += p_align;
memcpy(dptr, ecdsa->message.data, message_len);
dptr += m_align;
/* Setup opcodes */
w4.s.opcode_major = ROC_AE_MAJOR_OP_ECDSA;
w4.s.opcode_minor = ROC_AE_MINOR_OP_ECDSA_SIGN;
w4.s.param1 = curveid | (message_len << 8);
w4.s.param2 = k_len;
w4.s.dlen = dlen;
inst->w4.u64 = w4.u64;
inst->rptr = (uintptr_t)dptr;
}
static __rte_always_inline void
cnxk_ae_ecdsa_verify_prep(struct rte_crypto_ecdsa_op_param *ecdsa,
struct roc_ae_buf_ptr *meta_buf,
uint64_t fpm_table_iova,
struct roc_ae_ec_group *ec_grp, uint8_t curveid,
struct cpt_inst_s *inst)
{
uint32_t message_len = ecdsa->message.length;
uint16_t o_offset, r_offset, s_offset;
uint16_t qx_len = ecdsa->q.x.length;
uint16_t qy_len = ecdsa->q.y.length;
uint16_t r_len = ecdsa->r.length;
uint16_t s_len = ecdsa->s.length;
uint16_t order_len, prime_len;
uint16_t qx_offset, qy_offset;
uint16_t p_align, m_align;
union cpt_inst_w4 w4;
uint16_t dlen;
uint8_t *dptr;
prime_len = ec_grp->prime.length;
order_len = ec_grp->order.length;
/* Truncate input length to curve prime length */
if (message_len > prime_len)
message_len = prime_len;
m_align = RTE_ALIGN_CEIL(message_len, 8);
p_align = RTE_ALIGN_CEIL(prime_len, 8);
/* Set write offset for sign, order and public key coordinates */
o_offset = prime_len - order_len;
qx_offset = prime_len - qx_len;
qy_offset = prime_len - qy_len;
r_offset = prime_len - r_len;
s_offset = prime_len - s_len;
/* Input buffer */
dptr = meta_buf->vaddr;
inst->dptr = (uintptr_t)dptr;
/*
* Set dlen = sum(sizeof(fpm address), ROUNDUP8(message len),
* ROUNDUP8(sign len(r and s), public key len(x and y coordinates),
* prime len, order len)).
* Please note sign, public key and order can not exceed prime length
* i.e. 6 * p_align
*/
dlen = sizeof(fpm_table_iova) + m_align + (6 * p_align);
memset(dptr, 0, dlen);
*(uint64_t *)dptr = fpm_table_iova;
dptr += sizeof(fpm_table_iova);
memcpy(dptr + r_offset, ecdsa->r.data, r_len);
dptr += p_align;
memcpy(dptr + s_offset, ecdsa->s.data, s_len);
dptr += p_align;
memcpy(dptr, ecdsa->message.data, message_len);
dptr += m_align;
memcpy(dptr + o_offset, ec_grp->order.data, order_len);
dptr += p_align;
memcpy(dptr, ec_grp->prime.data, prime_len);
dptr += p_align;
memcpy(dptr + qx_offset, ecdsa->q.x.data, qx_len);
dptr += p_align;
memcpy(dptr + qy_offset, ecdsa->q.y.data, qy_len);
dptr += p_align;
/* Setup opcodes */
w4.s.opcode_major = ROC_AE_MAJOR_OP_ECDSA;
w4.s.opcode_minor = ROC_AE_MINOR_OP_ECDSA_VERIFY;
w4.s.param1 = curveid | (message_len << 8);
w4.s.param2 = 0;
w4.s.dlen = dlen;
inst->w4.u64 = w4.u64;
inst->rptr = (uintptr_t)dptr;
}
static __rte_always_inline int __rte_hot
cnxk_ae_enqueue_ecdsa_op(struct rte_crypto_op *op,
struct roc_ae_buf_ptr *meta_buf,
struct cnxk_ae_sess *sess, uint64_t *fpm_iova,
struct roc_ae_ec_group **ec_grp,
struct cpt_inst_s *inst)
{
struct rte_crypto_ecdsa_op_param *ecdsa = &op->asym->ecdsa;
uint8_t curveid = sess->ec_ctx.curveid;
if (ecdsa->op_type == RTE_CRYPTO_ASYM_OP_SIGN)
cnxk_ae_ecdsa_sign_prep(ecdsa, meta_buf, fpm_iova[curveid],
ec_grp[curveid], curveid, inst);
else if (ecdsa->op_type == RTE_CRYPTO_ASYM_OP_VERIFY)
cnxk_ae_ecdsa_verify_prep(ecdsa, meta_buf, fpm_iova[curveid],
ec_grp[curveid], curveid, inst);
else {
op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
return -EINVAL;
}
return 0;
}
static __rte_always_inline int
cnxk_ae_ecpm_prep(struct rte_crypto_ecpm_op_param *ecpm,
struct roc_ae_buf_ptr *meta_buf,
struct roc_ae_ec_group *ec_grp, uint8_t curveid,
struct cpt_inst_s *inst)
{
uint16_t x1_len = ecpm->p.x.length;
uint16_t y1_len = ecpm->p.y.length;
uint16_t scalar_align, p_align;
uint16_t x1_offset, y1_offset;
uint16_t dlen, prime_len;
union cpt_inst_w4 w4;
uint8_t *dptr;
prime_len = ec_grp->prime.length;
/* Input buffer */
dptr = meta_buf->vaddr;
inst->dptr = (uintptr_t)dptr;
p_align = RTE_ALIGN_CEIL(prime_len, 8);
scalar_align = RTE_ALIGN_CEIL(ecpm->scalar.length, 8);
/*
* Set dlen = sum(ROUNDUP8(input point(x and y coordinates), prime,
* scalar length),
* Please note point length is equivalent to prime of the curve
*/
dlen = 3 * p_align + scalar_align;
x1_offset = prime_len - x1_len;
y1_offset = prime_len - y1_len;
memset(dptr, 0, dlen);
/* Copy input point, scalar, prime */
memcpy(dptr + x1_offset, ecpm->p.x.data, x1_len);
dptr += p_align;
memcpy(dptr + y1_offset, ecpm->p.y.data, y1_len);
dptr += p_align;
memcpy(dptr, ecpm->scalar.data, ecpm->scalar.length);
dptr += scalar_align;
memcpy(dptr, ec_grp->prime.data, ec_grp->prime.length);
dptr += p_align;
/* Setup opcodes */
w4.s.opcode_major = ROC_AE_MAJOR_OP_ECC;
w4.s.opcode_minor = ROC_AE_MINOR_OP_ECC_UMP;
w4.s.param1 = curveid;
w4.s.param2 = ecpm->scalar.length;
w4.s.dlen = dlen;
inst->w4.u64 = w4.u64;
inst->rptr = (uintptr_t)dptr;
return 0;
}
static __rte_always_inline void
cnxk_ae_dequeue_rsa_op(struct rte_crypto_op *cop, uint8_t *rptr,
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, 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;
memcpy(rsa->message.data, rptr, rsa->message.length);
} else {
/* Get length of decrypted output */
rsa->message.length =
rte_cpu_to_be_16(*((uint16_t *)rptr));
/*
* Offset output data pointer by length field
* (2 bytes) and copy decrypted data.
*/
memcpy(rsa->message.data, rptr + 2,
rsa->message.length);
}
break;
case RTE_CRYPTO_ASYM_OP_SIGN:
rsa->sign.length = rsa_ctx->n.length;
memcpy(rsa->sign.data, 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;
memcpy(rsa->sign.data, rptr, rsa->sign.length);
} else {
/* Get length of signed output */
rsa->sign.length =
rte_cpu_to_be_16(*((uint16_t *)rptr));
/*
* Offset output data pointer by length field
* (2 bytes) and copy signed data.
*/
memcpy(rsa->sign.data, rptr + 2, rsa->sign.length);
}
if (memcmp(rsa->sign.data, rsa->message.data,
rsa->message.length)) {
cop->status = RTE_CRYPTO_OP_STATUS_ERROR;
}
break;
default:
cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
break;
}
}
static __rte_always_inline void
cnxk_ae_dequeue_ecdsa_op(struct rte_crypto_ecdsa_op_param *ecdsa, uint8_t *rptr,
struct roc_ae_ec_ctx *ec,
struct roc_ae_ec_group **ec_grp)
{
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, rptr, prime_len);
memcpy(ecdsa->s.data, rptr + RTE_ALIGN_CEIL(prime_len, 8), prime_len);
ecdsa->r.length = prime_len;
ecdsa->s.length = prime_len;
}
static __rte_always_inline void
cnxk_ae_dequeue_ecpm_op(struct rte_crypto_ecpm_op_param *ecpm, uint8_t *rptr,
struct roc_ae_ec_ctx *ec,
struct roc_ae_ec_group **ec_grp)
{
int prime_len = ec_grp[ec->curveid]->prime.length;
memcpy(ecpm->r.x.data, rptr, prime_len);
memcpy(ecpm->r.y.data, rptr + RTE_ALIGN_CEIL(prime_len, 8), prime_len);
ecpm->r.x.length = prime_len;
ecpm->r.y.length = prime_len;
}
static __rte_always_inline void *
cnxk_ae_alloc_meta(struct roc_ae_buf_ptr *buf,
struct rte_mempool *cpt_meta_pool,
struct cpt_inflight_req *infl_req)
{
uint8_t *mdata;
if (unlikely(rte_mempool_get(cpt_meta_pool, (void **)&mdata) < 0))
return NULL;
buf->vaddr = mdata;
infl_req->mdata = mdata;
infl_req->op_flags |= CPT_OP_FLAGS_METABUF;
return mdata;
}
static __rte_always_inline int32_t __rte_hot
cnxk_ae_enqueue(struct cnxk_cpt_qp *qp, struct rte_crypto_op *op,
struct cpt_inflight_req *infl_req, struct cpt_inst_s *inst,
struct cnxk_ae_sess *sess)
{
struct cpt_qp_meta_info *minfo = &qp->meta_info;
struct rte_crypto_asym_op *asym_op = op->asym;
struct roc_ae_buf_ptr meta_buf;
uint64_t *mop;
void *mdata;
int ret;
mdata = cnxk_ae_alloc_meta(&meta_buf, minfo->pool, infl_req);
if (mdata == NULL)
return -ENOMEM;
/* Reserve 8B for RPTR */
meta_buf.vaddr = PLT_PTR_ADD(mdata, sizeof(uint64_t));
switch (sess->xfrm_type) {
case RTE_CRYPTO_ASYM_XFORM_MODEX:
ret = cnxk_ae_modex_prep(op, &meta_buf, &sess->mod_ctx, inst);
if (unlikely(ret))
goto req_fail;
break;
case RTE_CRYPTO_ASYM_XFORM_RSA:
ret = cnxk_ae_enqueue_rsa_op(op, &meta_buf, sess, inst);
if (unlikely(ret))
goto req_fail;
break;
case RTE_CRYPTO_ASYM_XFORM_ECDSA:
ret = cnxk_ae_enqueue_ecdsa_op(op, &meta_buf, sess,
sess->cnxk_fpm_iova,
sess->ec_grp, inst);
if (unlikely(ret))
goto req_fail;
break;
case RTE_CRYPTO_ASYM_XFORM_ECPM:
ret = cnxk_ae_ecpm_prep(&asym_op->ecpm, &meta_buf,
sess->ec_grp[sess->ec_ctx.curveid],
sess->ec_ctx.curveid, inst);
if (unlikely(ret))
goto req_fail;
break;
default:
op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
ret = -EINVAL;
goto req_fail;
}
mop = mdata;
mop[0] = inst->rptr;
return 0;
req_fail:
rte_mempool_put(minfo->pool, infl_req->mdata);
return ret;
}
static __rte_always_inline void
cnxk_ae_post_process(struct rte_crypto_op *cop, struct cnxk_ae_sess *sess,
uint8_t *rptr)
{
struct rte_crypto_asym_op *op = cop->asym;
switch (sess->xfrm_type) {
case RTE_CRYPTO_ASYM_XFORM_RSA:
cnxk_ae_dequeue_rsa_op(cop, rptr, &sess->rsa_ctx);
break;
case RTE_CRYPTO_ASYM_XFORM_MODEX:
op->modex.result.length = sess->mod_ctx.modulus.length;
memcpy(op->modex.result.data, rptr, op->modex.result.length);
break;
case RTE_CRYPTO_ASYM_XFORM_ECDSA:
cnxk_ae_dequeue_ecdsa_op(&op->ecdsa, rptr, &sess->ec_ctx,
sess->ec_grp);
break;
case RTE_CRYPTO_ASYM_XFORM_ECPM:
cnxk_ae_dequeue_ecpm_op(&op->ecpm, rptr, &sess->ec_ctx,
sess->ec_grp);
break;
default:
cop->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
break;
}
}
#endif /* _CNXK_AE_H_ */