X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fcrypto%2Fkasumi%2Frte_kasumi_pmd.c;h=7a00bd3bb84ac71b8713935dfa5502ac578f7213;hb=c4e156d6b5b38b1233629cd97a8c8f1670f1b1f7;hp=70bf2285e3b0ad6af7fa2cea2477c00d07b45ccc;hpb=63348b9d1c43895e56c7f1b0a0b2d8f66d4bffd0;p=dpdk.git

diff --git a/drivers/crypto/kasumi/rte_kasumi_pmd.c b/drivers/crypto/kasumi/rte_kasumi_pmd.c
index 70bf2285e3..7a00bd3bb8 100644
--- a/drivers/crypto/kasumi/rte_kasumi_pmd.c
+++ b/drivers/crypto/kasumi/rte_kasumi_pmd.c
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2016 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2016-2017 Intel Corporation. All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
  *   modification, are permitted provided that the following conditions
@@ -44,10 +44,11 @@
 
 #define KASUMI_KEY_LENGTH 16
 #define KASUMI_IV_LENGTH 8
-#define KASUMI_DIGEST_LENGTH 4
 #define KASUMI_MAX_BURST 4
 #define BYTE_LEN 8
 
+static uint8_t cryptodev_driver_id;
+
 /** Get xform chain order. */
 static enum kasumi_operation
 kasumi_get_mode(const struct rte_crypto_sym_xform *xform)
@@ -109,13 +110,20 @@ kasumi_set_session_parameters(struct kasumi_session *sess,
 	case KASUMI_OP_NOT_SUPPORTED:
 	default:
 		KASUMI_LOG_ERR("Unsupported operation chain order parameter");
-		return -EINVAL;
+		return -ENOTSUP;
 	}
 
 	if (cipher_xform) {
 		/* Only KASUMI F8 supported */
 		if (cipher_xform->cipher.algo != RTE_CRYPTO_CIPHER_KASUMI_F8)
+			return -ENOTSUP;
+
+		sess->cipher_iv_offset = cipher_xform->cipher.iv.offset;
+		if (cipher_xform->cipher.iv.length != KASUMI_IV_LENGTH) {
+			KASUMI_LOG_ERR("Wrong IV length");
 			return -EINVAL;
+		}
+
 		/* Initialize key */
 		sso_kasumi_init_f8_key_sched(cipher_xform->cipher.key.data,
 				&sess->pKeySched_cipher);
@@ -124,8 +132,15 @@ kasumi_set_session_parameters(struct kasumi_session *sess,
 	if (auth_xform) {
 		/* Only KASUMI F9 supported */
 		if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_KASUMI_F9)
+			return -ENOTSUP;
+
+		if (auth_xform->auth.digest_length != KASUMI_DIGEST_LENGTH) {
+			KASUMI_LOG_ERR("Wrong digest length");
 			return -EINVAL;
+		}
+
 		sess->auth_op = auth_xform->auth.op;
+
 		/* Initialize key */
 		sso_kasumi_init_f9_key_sched(auth_xform->auth.key.data,
 				&sess->pKeySched_hash);
@@ -141,27 +156,40 @@ kasumi_set_session_parameters(struct kasumi_session *sess,
 static struct kasumi_session *
 kasumi_get_session(struct kasumi_qp *qp, struct rte_crypto_op *op)
 {
-	struct kasumi_session *sess;
-
-	if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_WITH_SESSION) {
-		if (unlikely(op->sym->session->dev_type !=
-				RTE_CRYPTODEV_KASUMI_PMD))
+	struct kasumi_session *sess = NULL;
+
+	if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) {
+		if (likely(op->sym->session != NULL))
+			sess = (struct kasumi_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 kasumi_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 kasumi_session *)c_sess->_private;
+		sess = (struct kasumi_session *)_sess_private_data;
 
 		if (unlikely(kasumi_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;
 }
 
@@ -174,17 +202,11 @@ process_kasumi_cipher_op(struct rte_crypto_op **ops,
 	unsigned i;
 	uint8_t processed_ops = 0;
 	uint8_t *src[num_ops], *dst[num_ops];
-	uint64_t IV[num_ops];
+	uint8_t *iv_ptr;
+	uint64_t iv[num_ops];
 	uint32_t num_bytes[num_ops];
 
 	for (i = 0; i < num_ops; i++) {
-		/* Sanity checks. */
-		if (ops[i]->sym->cipher.iv.length != KASUMI_IV_LENGTH) {
-			ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
-			KASUMI_LOG_ERR("iv");
-			break;
-		}
-
 		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 ?
@@ -192,14 +214,16 @@ process_kasumi_cipher_op(struct rte_crypto_op **ops,
 				(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] = *((uint64_t *)(ops[i]->sym->cipher.iv.data));
+		iv_ptr = rte_crypto_op_ctod_offset(ops[i], uint8_t *,
+				session->cipher_iv_offset);
+		iv[i] = *((uint64_t *)(iv_ptr));
 		num_bytes[i] = ops[i]->sym->cipher.data.length >> 3;
 
 		processed_ops++;
 	}
 
 	if (processed_ops != 0)
-		sso_kasumi_f8_n_buffer(&session->pKeySched_cipher, IV,
+		sso_kasumi_f8_n_buffer(&session->pKeySched_cipher, iv,
 			src, dst, num_bytes, processed_ops);
 
 	return processed_ops;
@@ -211,16 +235,10 @@ process_kasumi_cipher_op_bit(struct rte_crypto_op *op,
 		struct kasumi_session *session)
 {
 	uint8_t *src, *dst;
-	uint64_t IV;
+	uint8_t *iv_ptr;
+	uint64_t iv;
 	uint32_t length_in_bits, offset_in_bits;
 
-	/* Sanity checks. */
-	if (unlikely(op->sym->cipher.iv.length != KASUMI_IV_LENGTH)) {
-		op->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
-		KASUMI_LOG_ERR("iv");
-		return 0;
-	}
-
 	offset_in_bits = op->sym->cipher.data.offset;
 	src = rte_pktmbuf_mtod(op->sym->m_src, uint8_t *);
 	if (op->sym->m_dst == NULL) {
@@ -229,10 +247,12 @@ process_kasumi_cipher_op_bit(struct rte_crypto_op *op,
 		return 0;
 	}
 	dst = rte_pktmbuf_mtod(op->sym->m_dst, uint8_t *);
-	IV = *((uint64_t *)(op->sym->cipher.iv.data));
+	iv_ptr = rte_crypto_op_ctod_offset(op, uint8_t *,
+			session->cipher_iv_offset);
+	iv = *((uint64_t *)(iv_ptr));
 	length_in_bits = op->sym->cipher.data.length;
 
-	sso_kasumi_f8_1_buffer_bit(&session->pKeySched_cipher, IV,
+	sso_kasumi_f8_1_buffer_bit(&session->pKeySched_cipher, iv,
 			src, dst, length_in_bits, offset_in_bits);
 
 	return 1;
@@ -240,7 +260,7 @@ process_kasumi_cipher_op_bit(struct rte_crypto_op *op,
 
 /** Generate/verify hash from mbufs with same hash key. */
 static int
-process_kasumi_hash_op(struct rte_crypto_op **ops,
+process_kasumi_hash_op(struct kasumi_qp *qp, struct rte_crypto_op **ops,
 		struct kasumi_session *session,
 		uint8_t num_ops)
 {
@@ -249,23 +269,8 @@ process_kasumi_hash_op(struct rte_crypto_op **ops,
 	uint8_t *src, *dst;
 	uint32_t length_in_bits;
 	uint32_t num_bytes;
-	uint32_t shift_bits;
-	uint64_t IV;
-	uint8_t direction;
 
 	for (i = 0; i < num_ops; i++) {
-		if (unlikely(ops[i]->sym->auth.aad.length != KASUMI_IV_LENGTH)) {
-			ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
-			KASUMI_LOG_ERR("aad");
-			break;
-		}
-
-		if (unlikely(ops[i]->sym->auth.digest.length != KASUMI_DIGEST_LENGTH)) {
-			ops[i]->status = RTE_CRYPTO_OP_STATUS_INVALID_ARGS;
-			KASUMI_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;
@@ -277,34 +282,23 @@ process_kasumi_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 from AAD */
-		IV = *((uint64_t *)(ops[i]->sym->auth.aad.data));
 		/* Direction from next bit after end of message */
-		num_bytes = (length_in_bits >> 3) + 1;
-		shift_bits = (BYTE_LEN - 1 - length_in_bits) % BYTE_LEN;
-		direction = (src[num_bytes - 1] >> shift_bits) & 0x01;
+		num_bytes = length_in_bits >> 3;
 
 		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);
+			dst = qp->temp_digest;
+			sso_kasumi_f9_1_buffer(&session->pKeySched_hash, src,
+					num_bytes, dst);
 
-			sso_kasumi_f9_1_buffer_user(&session->pKeySched_hash,
-					IV, src,
-					length_in_bits,	dst, direction);
 			/* Verify digest. */
 			if (memcmp(dst, ops[i]->sym->auth.digest.data,
-					ops[i]->sym->auth.digest.length) != 0)
+					KASUMI_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);
 		} else  {
 			dst = ops[i]->sym->auth.digest.data;
 
-			sso_kasumi_f9_1_buffer_user(&session->pKeySched_hash,
-					IV, src,
-					length_in_bits, dst, direction);
+			sso_kasumi_f9_1_buffer(&session->pKeySched_hash, src,
+					num_bytes, dst);
 		}
 		processed_ops++;
 	}
@@ -327,16 +321,16 @@ process_ops(struct rte_crypto_op **ops, struct kasumi_session *session,
 				session, num_ops);
 		break;
 	case KASUMI_OP_ONLY_AUTH:
-		processed_ops = process_kasumi_hash_op(ops, session,
+		processed_ops = process_kasumi_hash_op(qp, ops, session,
 				num_ops);
 		break;
 	case KASUMI_OP_CIPHER_AUTH:
 		processed_ops = process_kasumi_cipher_op(ops, session,
 				num_ops);
-		process_kasumi_hash_op(ops, session, processed_ops);
+		process_kasumi_hash_op(qp, ops, session, processed_ops);
 		break;
 	case KASUMI_OP_AUTH_CIPHER:
-		processed_ops = process_kasumi_hash_op(ops, session,
+		processed_ops = process_kasumi_hash_op(qp, ops, session,
 				num_ops);
 		process_kasumi_cipher_op(ops, session, processed_ops);
 		break;
@@ -353,7 +347,11 @@ process_ops(struct rte_crypto_op **ops, struct kasumi_session *session,
 		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]->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) {
+		if (ops[i]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
+			memset(session, 0, sizeof(struct kasumi_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;
 		}
@@ -380,15 +378,15 @@ process_op_bit(struct rte_crypto_op *op, struct kasumi_session *session,
 				session);
 		break;
 	case KASUMI_OP_ONLY_AUTH:
-		processed_op = process_kasumi_hash_op(&op, session, 1);
+		processed_op = process_kasumi_hash_op(qp, &op, session, 1);
 		break;
 	case KASUMI_OP_CIPHER_AUTH:
 		processed_op = process_kasumi_cipher_op_bit(op, session);
 		if (processed_op == 1)
-			process_kasumi_hash_op(&op, session, 1);
+			process_kasumi_hash_op(qp, &op, session, 1);
 		break;
 	case KASUMI_OP_AUTH_CIPHER:
-		processed_op = process_kasumi_hash_op(&op, session, 1);
+		processed_op = process_kasumi_hash_op(qp, &op, session, 1);
 		if (processed_op == 1)
 			process_kasumi_cipher_op_bit(op, session);
 		break;
@@ -405,8 +403,9 @@ process_op_bit(struct rte_crypto_op *op, struct kasumi_session *session,
 		op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
 
 	/* Free session if a session-less crypto op. */
-	if (op->sym->sess_type == RTE_CRYPTO_SYM_OP_SESSIONLESS) {
-		rte_mempool_put(qp->sess_mp, op->sym->session);
+	if (op->sess_type == RTE_CRYPTO_OP_SESSIONLESS) {
+		memset(op->sym->session, 0, sizeof(struct kasumi_session));
+		rte_cryptodev_sym_session_free(op->sym->session);
 		op->sym->session = NULL;
 	}
 
@@ -567,12 +566,8 @@ cryptodev_kasumi_create(const char *name,
 	/* Check CPU for supported vector instruction set */
 	if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
 		cpu_flags |= RTE_CRYPTODEV_FF_CPU_AVX;
-	else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_1))
+	else
 		cpu_flags |= RTE_CRYPTODEV_FF_CPU_SSE;
-	else {
-		KASUMI_LOG_ERR("Vector instructions are not supported by CPU");
-		return -EFAULT;
-	}
 
 	dev = rte_cryptodev_vdev_pmd_init(init_params->name,
 			sizeof(struct kasumi_private), init_params->socket_id,
@@ -582,7 +577,7 @@ cryptodev_kasumi_create(const char *name,
 		goto init_error;
 	}
 
-	dev->dev_type = RTE_CRYPTODEV_KASUMI_PMD;
+	dev->driver_id = cryptodev_driver_id;
 	dev->dev_ops = rte_kasumi_pmd_ops;
 
 	/* Register RX/TX burst functions for data path. */
@@ -660,9 +655,13 @@ static struct rte_vdev_driver cryptodev_kasumi_pmd_drv = {
 	.remove = cryptodev_kasumi_remove
 };
 
+static struct cryptodev_driver kasumi_crypto_drv;
+
 RTE_PMD_REGISTER_VDEV(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd_drv);
 RTE_PMD_REGISTER_ALIAS(CRYPTODEV_NAME_KASUMI_PMD, cryptodev_kasumi_pmd);
 RTE_PMD_REGISTER_PARAM_STRING(CRYPTODEV_NAME_KASUMI_PMD,
 	"max_nb_queue_pairs=<int> "
 	"max_nb_sessions=<int> "
 	"socket_id=<int>");
+RTE_PMD_REGISTER_CRYPTO_DRIVER(kasumi_crypto_drv, cryptodev_kasumi_pmd_drv,
+		cryptodev_driver_id);