X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fcrypto%2Fsnow3g%2Frte_snow3g_pmd.c;h=b2f6222ed4be65379eff1214c53b98b1c34683d4;hb=effd3b9fcf3841869e5035ac08ff25b1807c3f15;hp=b21691f409a12be022b150b4557a883e7c7fc7af;hpb=0fbd75a99fc9d2c8c7618d677d3f50fb9872b80c;p=dpdk.git diff --git a/drivers/crypto/snow3g/rte_snow3g_pmd.c b/drivers/crypto/snow3g/rte_snow3g_pmd.c index b21691f409..b2f6222ed4 100644 --- a/drivers/crypto/snow3g/rte_snow3g_pmd.c +++ b/drivers/crypto/snow3g/rte_snow3g_pmd.c @@ -47,6 +47,8 @@ #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) @@ -109,19 +111,19 @@ snow3g_set_session_parameters(struct snow3g_session *sess, case SNOW3G_OP_NOT_SUPPORTED: default: SNOW3G_LOG_ERR("Unsupported operation chain order parameter"); - return -EINVAL; + return -ENOTSUP; } if (cipher_xform) { /* Only SNOW 3G UEA2 supported */ if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_SNOW3G_UEA2) - return -EINVAL; + return -ENOTSUP; if (cipher_xform->cipher.iv.length != SNOW3G_IV_LENGTH) { SNOW3G_LOG_ERR("Wrong IV length"); return -EINVAL; } - sess->iv_offset = cipher_xform->cipher.iv.offset; + sess->cipher_iv_offset = cipher_xform->cipher.iv.offset; /* Initialize key */ sso_snow3g_init_key_sched(cipher_xform->cipher.key.data, @@ -131,8 +133,21 @@ snow3g_set_session_parameters(struct snow3g_session *sess, 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; + } + 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 */ sso_snow3g_init_key_sched(auth_xform->auth.key.data, &sess->pKeySched_hash); @@ -148,27 +163,41 @@ snow3g_set_session_parameters(struct snow3g_session *sess, static struct snow3g_session * snow3g_get_session(struct snow3g_qp *qp, struct rte_crypto_op *op) { - struct snow3g_session *sess; + struct snow3g_session *sess = NULL; if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) { - if (unlikely(op->sym->session->dev_type != - RTE_CRYPTODEV_SNOW3G_PMD)) + if (likely(op->sym->session != NULL)) + sess = (struct snow3g_session *) + get_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; - sess = (struct snow3g_session *)op->sym->session->_private; - } else { - struct rte_cryptodev_session *c_sess = NULL; - - if (rte_mempool_get(qp->sess_mp, (void **)&c_sess)) + if (rte_mempool_get(qp->sess_mp, (void **)&_sess_private_data)) return NULL; - sess = (struct snow3g_session *)c_sess->_private; + sess = (struct snow3g_session *)_sess_private_data; if (unlikely(snow3g_set_session_parameters(sess, - op->sym->xform) != 0)) - return NULL; + op->sym->xform) != 0)) { + rte_mempool_put(qp->sess_mp, _sess); + rte_mempool_put(qp->sess_mp, _sess_private_data); + sess = NULL; + } + op->sym->session = (struct rte_cryptodev_sym_session *)_sess; + set_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; } @@ -193,7 +222,7 @@ process_snow3g_cipher_op(struct rte_crypto_op **ops, 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->iv_offset); + session->cipher_iv_offset); num_bytes[i] = ops[i]->sym->cipher.data.length >> 3; processed_ops++; @@ -223,7 +252,7 @@ process_snow3g_cipher_op_bit(struct rte_crypto_op *op, } dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *); iv = rte_crypto_op_ctod_offset(op, uint8_t *, - session->iv_offset); + session->cipher_iv_offset); length_in_bits = op->sym->cipher.data.length; sso_snow3g_f8_1_buffer_bit(&session->pKeySched_cipher, iv, @@ -242,20 +271,9 @@ process_snow3g_hash_op(struct rte_crypto_op **ops, uint8_t processed_ops = 0; uint8_t *src, *dst; uint32_t length_in_bits; + uint8_t *iv; for (i = 0; i < num_ops; i++) { - if (unlikely(ops[i]->sym->auth.aad.length != SNOW3G_IV_LENGTH)) { - ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS; - SNOW3G_LOG_ERR("aad"); - break; - } - - if (unlikely(ops[i]->sym->auth.digest.length != SNOW3G_DIGEST_LENGTH)) { - ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS; - SNOW3G_LOG_ERR("digest"); - break; - } - /* Data must be byte aligned */ if ((ops[i]->sym->auth.data.offset % BYTE_LEN) != 0) { ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS; @@ -267,27 +285,29 @@ process_snow3g_hash_op(struct rte_crypto_op **ops, 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 = (uint8_t *)rte_pktmbuf_append(ops[i]->sym->m_src, - ops[i]->sym->auth.digest.length); + SNOW3G_DIGEST_LENGTH); sso_snow3g_f9_1_buffer(&session->pKeySched_hash, - ops[i]->sym->auth.aad.data, src, + iv, src, length_in_bits, dst); /* Verify digest. */ if (memcmp(dst, ops[i]->sym->auth.digest.data, - ops[i]->sym->auth.digest.length) != 0) + SNOW3G_DIGEST_LENGTH) != 0) ops[i]->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED; /* Trim area used for digest from mbuf. */ rte_pktmbuf_trim(ops[i]->sym->m_src, - ops[i]->sym->auth.digest.length); + SNOW3G_DIGEST_LENGTH); } else { dst = ops[i]->sym->auth.digest.data; sso_snow3g_f9_1_buffer(&session->pKeySched_hash, - ops[i]->sym->auth.aad.data, src, + iv, src, length_in_bits, dst); } processed_ops++; @@ -353,6 +373,10 @@ process_ops(struct rte_crypto_op **ops, struct snow3g_session *session, 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_get_header_session_size()); + rte_mempool_put(qp->sess_mp, session); rte_mempool_put(qp->sess_mp, ops[i]->sym->session); ops[i]->sym->session = NULL; } @@ -405,7 +429,8 @@ process_op_bit(struct rte_crypto_op *op, struct snow3g_session *session, /* Free session if a session-less crypto op. */ if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) { - rte_mempool_put(qp->sess_mp, op->sym->session); + memset(op->sym->session, 0, sizeof(struct snow3g_session)); + rte_cryptodev_sym_session_free(op->sym->session); op->sym->session = NULL; } @@ -558,7 +583,7 @@ cryptodev_snow3g_create(const char *name, goto init_error; } - dev->dev_type = RTE_CRYPTODEV_SNOW3G_PMD; + dev->driver_id = cryptodev_driver_id; dev->dev_ops = rte_snow3g_pmd_ops; /* Register RX/TX burst functions for data path. */ @@ -636,9 +661,13 @@ static struct rte_vdev_driver cryptodev_snow3g_pmd_drv = { .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= " "max_nb_sessions= " "socket_id="); +RTE_PMD_REGISTER_CRYPTO_DRIVER(snow3g_crypto_drv, cryptodev_snow3g_pmd_drv, + cryptodev_driver_id);