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crypto/octeontx2: support ECPM

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Add support asymmetric operation EC Point MUltiplication,
in crypto_octeontx2 PMD.

Signed-off-by: Anoob Joseph <anoobj@marvell.com>
Signed-off-by: Balakrishna Bhamidipati <bbhamidipati@marvell.com>
Signed-off-by: Sunila Sahu <ssahu@marvell.com>
This commit is contained in:
Sunila Sahu 2020-01-15 18:26:33 +05:30 committed by Akhil Goyal
parent 99faef8325
commit 40726a9ad5
3 changed files with 33 additions and 0 deletions
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1
doc/guides/cryptodevs/features/octeontx2.ini
View File

@ -73,3 +73,4 @@ Modular Exponentiation = Y
Modular Inversion =
Diffie-hellman =
ECDSA = Y
ECPM = Y

10
drivers/crypto/octeontx2/otx2_cryptodev_capabilities.c
View File

@ -639,6 +639,16 @@ rte_cryptodev_capabilities otx2_cpt_capabilities[] = {
},
}
},
{ /* ECPM */
.op = RTE_CRYPTO_OP_TYPE_ASYMMETRIC,
{.asym = {
.xform_capa = {
.xform_type = RTE_CRYPTO_ASYM_XFORM_ECPM,
.op_types = 0
}
},
}
},
/* End of asymmetric capabilities */
RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
};

22
drivers/crypto/octeontx2/otx2_cryptodev_ops.c
View File

@ -447,6 +447,12 @@ otx2_cpt_enqueue_asym(struct otx2_cpt_qp *qp,
if (unlikely(ret))
goto req_fail;
break;
case RTE_CRYPTO_ASYM_XFORM_ECPM:
ret = cpt_ecpm_prep(&asym_op->ecpm, &params,
sess->ec_ctx.curveid);
if (unlikely(ret))
goto req_fail;
break;
default:
op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
ret = -EINVAL;
@ -665,6 +671,19 @@ otx2_cpt_asym_dequeue_ecdsa_op(struct rte_crypto_ecdsa_op_param *ecdsa,
ecdsa->s.length = prime_len;
}
static __rte_always_inline void
otx2_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 void
otx2_cpt_asym_post_process(struct rte_crypto_op *cop,
struct cpt_request_info *req)
@ -687,6 +706,9 @@ otx2_cpt_asym_post_process(struct rte_crypto_op *cop,
case RTE_CRYPTO_ASYM_XFORM_ECDSA:
otx2_cpt_asym_dequeue_ecdsa_op(&op->ecdsa, req, &sess->ec_ctx);
break;
case RTE_CRYPTO_ASYM_XFORM_ECPM:
otx2_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;