/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2018 Intel Corporation
*/
-
#include <stdlib.h>
#include <string.h>
#include <rte_esp.h>
#include <rte_tcp.h>
#include <rte_udp.h>
+#include <rte_cryptodev.h>
+#include <rte_cryptodev_pmd.h>
#include "rte_table_action.h"
data->time = time;
}
+
+/**
+ * RTE_TABLE_ACTION_CRYPTO
+ */
+
+#define CRYPTO_OP_MASK_CIPHER 0x1
+#define CRYPTO_OP_MASK_AUTH 0x2
+#define CRYPTO_OP_MASK_AEAD 0x4
+
+struct crypto_op_sym_iv_aad {
+ struct rte_crypto_op op;
+ struct rte_crypto_sym_op sym_op;
+ union {
+ struct {
+ uint8_t cipher_iv[
+ RTE_TABLE_ACTION_SYM_CRYPTO_IV_SIZE_MAX];
+ uint8_t auth_iv[
+ RTE_TABLE_ACTION_SYM_CRYPTO_IV_SIZE_MAX];
+ } cipher_auth;
+
+ struct {
+ uint8_t iv[RTE_TABLE_ACTION_SYM_CRYPTO_IV_SIZE_MAX];
+ uint8_t aad[RTE_TABLE_ACTION_SYM_CRYPTO_AAD_SIZE_MAX];
+ } aead_iv_aad;
+
+ } iv_aad;
+};
+
+struct sym_crypto_data {
+
+ union {
+ struct {
+
+ /** Length of cipher iv. */
+ uint16_t cipher_iv_len;
+
+ /** Offset from start of IP header to the cipher iv. */
+ uint16_t cipher_iv_data_offset;
+
+ /** Length of cipher iv to be updated in the mbuf. */
+ uint16_t cipher_iv_update_len;
+
+ /** Offset from start of IP header to the auth iv. */
+ uint16_t auth_iv_data_offset;
+
+ /** Length of auth iv in the mbuf. */
+ uint16_t auth_iv_len;
+
+ /** Length of auth iv to be updated in the mbuf. */
+ uint16_t auth_iv_update_len;
+
+ } cipher_auth;
+ struct {
+
+ /** Length of iv. */
+ uint16_t iv_len;
+
+ /** Offset from start of IP header to the aead iv. */
+ uint16_t iv_data_offset;
+
+ /** Length of iv to be updated in the mbuf. */
+ uint16_t iv_update_len;
+
+ /** Length of aad */
+ uint16_t aad_len;
+
+ /** Offset from start of IP header to the aad. */
+ uint16_t aad_data_offset;
+
+ /** Length of aad to updated in the mbuf. */
+ uint16_t aad_update_len;
+
+ } aead;
+ };
+
+ /** Offset from start of IP header to the data. */
+ uint16_t data_offset;
+
+ /** Digest length. */
+ uint16_t digest_len;
+
+ /** block size */
+ uint16_t block_size;
+
+ /** Mask of crypto operation */
+ uint16_t op_mask;
+
+ /** Session pointer. */
+ struct rte_cryptodev_sym_session *session;
+
+ /** Direction of crypto, encrypt or decrypt */
+ uint16_t direction;
+
+ /** Private data size to store cipher iv / aad. */
+ uint8_t iv_aad_data[32];
+
+} __attribute__((__packed__));
+
+static int
+sym_crypto_cfg_check(struct rte_table_action_sym_crypto_config *cfg)
+{
+ if (!rte_cryptodev_pmd_is_valid_dev(cfg->cryptodev_id))
+ return -EINVAL;
+ if (cfg->mp_create == NULL || cfg->mp_init == NULL)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int
+get_block_size(const struct rte_crypto_sym_xform *xform, uint8_t cdev_id)
+{
+ struct rte_cryptodev_info dev_info;
+ const struct rte_cryptodev_capabilities *cap;
+ uint32_t i;
+
+ rte_cryptodev_info_get(cdev_id, &dev_info);
+
+ for (i = 0;; i++) {
+ cap = &dev_info.capabilities[i];
+ if (!cap)
+ break;
+
+ if (cap->sym.xform_type != xform->type)
+ continue;
+
+ if ((xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) &&
+ (cap->sym.cipher.algo == xform->cipher.algo))
+ return cap->sym.cipher.block_size;
+
+ if ((xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) &&
+ (cap->sym.aead.algo == xform->aead.algo))
+ return cap->sym.aead.block_size;
+
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_NOT_SPECIFIED)
+ break;
+ }
+
+ return -1;
+}
+
+static int
+sym_crypto_apply(struct sym_crypto_data *data,
+ struct rte_table_action_sym_crypto_config *cfg,
+ struct rte_table_action_sym_crypto_params *p)
+{
+ const struct rte_crypto_cipher_xform *cipher_xform = NULL;
+ const struct rte_crypto_auth_xform *auth_xform = NULL;
+ const struct rte_crypto_aead_xform *aead_xform = NULL;
+ struct rte_crypto_sym_xform *xform = p->xform;
+ struct rte_cryptodev_sym_session *session;
+ int ret;
+
+ memset(data, 0, sizeof(*data));
+
+ while (xform) {
+ if (xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
+ cipher_xform = &xform->cipher;
+
+ if (cipher_xform->iv.length >
+ RTE_TABLE_ACTION_SYM_CRYPTO_IV_SIZE_MAX)
+ return -ENOMEM;
+ if (cipher_xform->iv.offset !=
+ RTE_TABLE_ACTION_SYM_CRYPTO_IV_OFFSET)
+ return -EINVAL;
+
+ ret = get_block_size(xform, cfg->cryptodev_id);
+ if (ret < 0)
+ return -1;
+ data->block_size = (uint16_t)ret;
+ data->op_mask |= CRYPTO_OP_MASK_CIPHER;
+
+ data->cipher_auth.cipher_iv_len =
+ cipher_xform->iv.length;
+ data->cipher_auth.cipher_iv_data_offset = (uint16_t)
+ p->cipher_auth.cipher_iv_update.offset;
+ data->cipher_auth.cipher_iv_update_len = (uint16_t)
+ p->cipher_auth.cipher_iv_update.length;
+
+ rte_memcpy(data->iv_aad_data,
+ p->cipher_auth.cipher_iv.val,
+ p->cipher_auth.cipher_iv.length);
+
+ data->direction = cipher_xform->op;
+
+ } else if (xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
+ auth_xform = &xform->auth;
+ if (auth_xform->iv.length >
+ RTE_TABLE_ACTION_SYM_CRYPTO_IV_SIZE_MAX)
+ return -ENOMEM;
+ data->op_mask |= CRYPTO_OP_MASK_AUTH;
+
+ data->cipher_auth.auth_iv_len = auth_xform->iv.length;
+ data->cipher_auth.auth_iv_data_offset = (uint16_t)
+ p->cipher_auth.auth_iv_update.offset;
+ data->cipher_auth.auth_iv_update_len = (uint16_t)
+ p->cipher_auth.auth_iv_update.length;
+ data->digest_len = auth_xform->digest_length;
+
+ data->direction = (auth_xform->op ==
+ RTE_CRYPTO_AUTH_OP_GENERATE) ?
+ RTE_CRYPTO_CIPHER_OP_ENCRYPT :
+ RTE_CRYPTO_CIPHER_OP_DECRYPT;
+
+ } else if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
+ aead_xform = &xform->aead;
+
+ if ((aead_xform->iv.length >
+ RTE_TABLE_ACTION_SYM_CRYPTO_IV_SIZE_MAX) || (
+ aead_xform->aad_length >
+ RTE_TABLE_ACTION_SYM_CRYPTO_AAD_SIZE_MAX))
+ return -EINVAL;
+ if (aead_xform->iv.offset !=
+ RTE_TABLE_ACTION_SYM_CRYPTO_IV_OFFSET)
+ return -EINVAL;
+
+ ret = get_block_size(xform, cfg->cryptodev_id);
+ if (ret < 0)
+ return -1;
+ data->block_size = (uint16_t)ret;
+ data->op_mask |= CRYPTO_OP_MASK_AEAD;
+
+ data->digest_len = aead_xform->digest_length;
+ data->aead.iv_len = aead_xform->iv.length;
+ data->aead.aad_len = aead_xform->aad_length;
+
+ data->aead.iv_data_offset = (uint16_t)
+ p->aead.iv_update.offset;
+ data->aead.iv_update_len = (uint16_t)
+ p->aead.iv_update.length;
+ data->aead.aad_data_offset = (uint16_t)
+ p->aead.aad_update.offset;
+ data->aead.aad_update_len = (uint16_t)
+ p->aead.aad_update.length;
+
+ rte_memcpy(data->iv_aad_data,
+ p->aead.iv.val,
+ p->aead.iv.length);
+
+ rte_memcpy(data->iv_aad_data + p->aead.iv.length,
+ p->aead.aad.val,
+ p->aead.aad.length);
+
+ data->direction = (aead_xform->op ==
+ RTE_CRYPTO_AEAD_OP_ENCRYPT) ?
+ RTE_CRYPTO_CIPHER_OP_ENCRYPT :
+ RTE_CRYPTO_CIPHER_OP_DECRYPT;
+ } else
+ return -EINVAL;
+
+ xform = xform->next;
+ }
+
+ if (auth_xform && auth_xform->iv.length) {
+ if (cipher_xform) {
+ if (auth_xform->iv.offset !=
+ RTE_TABLE_ACTION_SYM_CRYPTO_IV_OFFSET +
+ cipher_xform->iv.length)
+ return -EINVAL;
+
+ rte_memcpy(data->iv_aad_data + cipher_xform->iv.length,
+ p->cipher_auth.auth_iv.val,
+ p->cipher_auth.auth_iv.length);
+ } else {
+ rte_memcpy(data->iv_aad_data,
+ p->cipher_auth.auth_iv.val,
+ p->cipher_auth.auth_iv.length);
+ }
+ }
+
+ session = rte_cryptodev_sym_session_create(cfg->mp_create);
+ if (!session)
+ return -ENOMEM;
+
+ ret = rte_cryptodev_sym_session_init(cfg->cryptodev_id, session,
+ p->xform, cfg->mp_init);
+ if (ret < 0) {
+ rte_cryptodev_sym_session_free(session);
+ return ret;
+ }
+
+ data->data_offset = (uint16_t)p->data_offset;
+ data->session = session;
+
+ return 0;
+}
+
+static __rte_always_inline uint64_t
+pkt_work_sym_crypto(struct rte_mbuf *mbuf, struct sym_crypto_data *data,
+ struct rte_table_action_sym_crypto_config *cfg,
+ uint16_t ip_offset)
+{
+ struct crypto_op_sym_iv_aad *crypto_op = (struct crypto_op_sym_iv_aad *)
+ RTE_MBUF_METADATA_UINT8_PTR(mbuf, cfg->op_offset);
+ struct rte_crypto_op *op = &crypto_op->op;
+ struct rte_crypto_sym_op *sym = op->sym;
+ uint32_t pkt_offset = sizeof(*mbuf) + mbuf->data_off;
+ uint32_t payload_len = pkt_offset + mbuf->data_len - data->data_offset;
+
+ op->type = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
+ op->sess_type = RTE_CRYPTO_OP_WITH_SESSION;
+ op->phys_addr = mbuf->buf_iova + cfg->op_offset - sizeof(*mbuf);
+ op->status = RTE_CRYPTO_OP_STATUS_NOT_PROCESSED;
+ sym->m_src = mbuf;
+ sym->m_dst = NULL;
+ sym->session = data->session;
+
+ /** pad the packet */
+ if (data->direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT) {
+ uint32_t append_len = RTE_ALIGN_CEIL(payload_len,
+ data->block_size) - payload_len;
+
+ if (unlikely(rte_pktmbuf_append(mbuf, append_len +
+ data->digest_len) == NULL))
+ return 1;
+
+ payload_len += append_len;
+ } else
+ payload_len -= data->digest_len;
+
+ if (data->op_mask & CRYPTO_OP_MASK_CIPHER) {
+ /** prepare cipher op */
+ uint8_t *iv = crypto_op->iv_aad.cipher_auth.cipher_iv;
+
+ sym->cipher.data.length = payload_len;
+ sym->cipher.data.offset = data->data_offset - pkt_offset;
+
+ if (data->cipher_auth.cipher_iv_update_len) {
+ uint8_t *pkt_iv = RTE_MBUF_METADATA_UINT8_PTR(mbuf,
+ data->cipher_auth.cipher_iv_data_offset
+ + ip_offset);
+
+ /** For encryption, update the pkt iv field, otherwise
+ * update the iv_aad_field
+ **/
+ if (data->direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
+ rte_memcpy(pkt_iv, data->iv_aad_data,
+ data->cipher_auth.cipher_iv_update_len);
+ else
+ rte_memcpy(data->iv_aad_data, pkt_iv,
+ data->cipher_auth.cipher_iv_update_len);
+ }
+
+ /** write iv */
+ rte_memcpy(iv, data->iv_aad_data,
+ data->cipher_auth.cipher_iv_len);
+ }
+
+ if (data->op_mask & CRYPTO_OP_MASK_AUTH) {
+ /** authentication always start from IP header. */
+ sym->auth.data.offset = ip_offset - pkt_offset;
+ sym->auth.data.length = mbuf->data_len - sym->auth.data.offset -
+ data->digest_len;
+ sym->auth.digest.data = rte_pktmbuf_mtod_offset(mbuf,
+ uint8_t *, rte_pktmbuf_pkt_len(mbuf) -
+ data->digest_len);
+ sym->auth.digest.phys_addr = rte_pktmbuf_iova_offset(mbuf,
+ rte_pktmbuf_pkt_len(mbuf) - data->digest_len);
+
+ if (data->cipher_auth.auth_iv_update_len) {
+ uint8_t *pkt_iv = RTE_MBUF_METADATA_UINT8_PTR(mbuf,
+ data->cipher_auth.auth_iv_data_offset
+ + ip_offset);
+ uint8_t *data_iv = data->iv_aad_data +
+ data->cipher_auth.cipher_iv_len;
+
+ if (data->direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
+ rte_memcpy(pkt_iv, data_iv,
+ data->cipher_auth.auth_iv_update_len);
+ else
+ rte_memcpy(data_iv, pkt_iv,
+ data->cipher_auth.auth_iv_update_len);
+ }
+
+ if (data->cipher_auth.auth_iv_len) {
+ /** prepare cipher op */
+ uint8_t *iv = crypto_op->iv_aad.cipher_auth.auth_iv;
+
+ rte_memcpy(iv, data->iv_aad_data +
+ data->cipher_auth.cipher_iv_len,
+ data->cipher_auth.auth_iv_len);
+ }
+ }
+
+ if (data->op_mask & CRYPTO_OP_MASK_AEAD) {
+ uint8_t *iv = crypto_op->iv_aad.aead_iv_aad.iv;
+ uint8_t *aad = crypto_op->iv_aad.aead_iv_aad.aad;
+
+ sym->aead.aad.data = aad;
+ sym->aead.aad.phys_addr = rte_pktmbuf_iova_offset(mbuf,
+ aad - rte_pktmbuf_mtod(mbuf, uint8_t *));
+ sym->aead.digest.data = rte_pktmbuf_mtod_offset(mbuf,
+ uint8_t *, rte_pktmbuf_pkt_len(mbuf) -
+ data->digest_len);
+ sym->aead.digest.phys_addr = rte_pktmbuf_iova_offset(mbuf,
+ rte_pktmbuf_pkt_len(mbuf) - data->digest_len);
+ sym->aead.data.offset = data->data_offset - pkt_offset;
+ sym->aead.data.length = payload_len;
+
+ if (data->aead.iv_update_len) {
+ uint8_t *pkt_iv = RTE_MBUF_METADATA_UINT8_PTR(mbuf,
+ data->aead.iv_data_offset + ip_offset);
+ uint8_t *data_iv = data->iv_aad_data;
+
+ if (data->direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
+ rte_memcpy(pkt_iv, data_iv,
+ data->aead.iv_update_len);
+ else
+ rte_memcpy(data_iv, pkt_iv,
+ data->aead.iv_update_len);
+ }
+
+ rte_memcpy(iv, data->iv_aad_data, data->aead.iv_len);
+
+ if (data->aead.aad_update_len) {
+ uint8_t *pkt_aad = RTE_MBUF_METADATA_UINT8_PTR(mbuf,
+ data->aead.aad_data_offset + ip_offset);
+ uint8_t *data_aad = data->iv_aad_data +
+ data->aead.iv_len;
+
+ if (data->direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
+ rte_memcpy(pkt_aad, data_aad,
+ data->aead.iv_update_len);
+ else
+ rte_memcpy(data_aad, pkt_aad,
+ data->aead.iv_update_len);
+ }
+
+ rte_memcpy(aad, data->iv_aad_data + data->aead.iv_len,
+ data->aead.aad_len);
+ }
+
+ return 0;
+}
+
/**
* Action profile
*/
case RTE_TABLE_ACTION_TTL:
case RTE_TABLE_ACTION_STATS:
case RTE_TABLE_ACTION_TIME:
+ case RTE_TABLE_ACTION_SYM_CRYPTO:
return 1;
default:
return 0;
struct rte_table_action_nat_config nat;
struct rte_table_action_ttl_config ttl;
struct rte_table_action_stats_config stats;
+ struct rte_table_action_sym_crypto_config sym_crypto;
};
static size_t
return sizeof(struct rte_table_action_ttl_config);
case RTE_TABLE_ACTION_STATS:
return sizeof(struct rte_table_action_stats_config);
+ case RTE_TABLE_ACTION_SYM_CRYPTO:
+ return sizeof(struct rte_table_action_sym_crypto_config);
default:
return 0;
}
case RTE_TABLE_ACTION_STATS:
return &ap_config->stats;
+ case RTE_TABLE_ACTION_SYM_CRYPTO:
+ return &ap_config->sym_crypto;
default:
return NULL;
}
case RTE_TABLE_ACTION_TIME:
return sizeof(struct time_data);
+ case RTE_TABLE_ACTION_SYM_CRYPTO:
+ return (sizeof(struct sym_crypto_data));
+
default:
return 0;
}
status = stats_cfg_check(action_config);
break;
+ case RTE_TABLE_ACTION_SYM_CRYPTO:
+ status = sym_crypto_cfg_check(action_config);
+ break;
+
default:
status = 0;
break;
return time_apply(action_data,
action_params);
+ case RTE_TABLE_ACTION_SYM_CRYPTO:
+ return sym_crypto_apply(action_data,
+ &action->cfg.sym_crypto,
+ action_params);
+
default:
return -EINVAL;
}
return 0;
}
+struct rte_cryptodev_sym_session *
+rte_table_action_crypto_sym_session_get(struct rte_table_action *action,
+ void *data)
+{
+ struct sym_crypto_data *sym_crypto_data;
+
+ /* Check input arguments */
+ if ((action == NULL) ||
+ ((action->cfg.action_mask &
+ (1LLU << RTE_TABLE_ACTION_SYM_CRYPTO)) == 0) ||
+ (data == NULL))
+ return NULL;
+
+ sym_crypto_data = action_data_get(data, action,
+ RTE_TABLE_ACTION_SYM_CRYPTO);
+
+ return sym_crypto_data->session;
+}
+
static __rte_always_inline uint64_t
pkt_work(struct rte_mbuf *mbuf,
struct rte_pipeline_table_entry *table_entry,
pkt_work_time(data, time);
}
+ if (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_SYM_CRYPTO)) {
+ void *data = action_data_get(table_entry, action,
+ RTE_TABLE_ACTION_SYM_CRYPTO);
+
+ drop_mask |= pkt_work_sym_crypto(mbuf, data, &cfg->sym_crypto,
+ ip_offset);
+ }
+
return drop_mask;
}
pkt_work_time(data3, time);
}
+ if (cfg->action_mask & (1LLU << RTE_TABLE_ACTION_SYM_CRYPTO)) {
+ void *data0 = action_data_get(table_entry0, action,
+ RTE_TABLE_ACTION_SYM_CRYPTO);
+ void *data1 = action_data_get(table_entry1, action,
+ RTE_TABLE_ACTION_SYM_CRYPTO);
+ void *data2 = action_data_get(table_entry2, action,
+ RTE_TABLE_ACTION_SYM_CRYPTO);
+ void *data3 = action_data_get(table_entry3, action,
+ RTE_TABLE_ACTION_SYM_CRYPTO);
+
+ drop_mask0 |= pkt_work_sym_crypto(mbuf0, data0, &cfg->sym_crypto,
+ ip_offset);
+ drop_mask1 |= pkt_work_sym_crypto(mbuf1, data1, &cfg->sym_crypto,
+ ip_offset);
+ drop_mask2 |= pkt_work_sym_crypto(mbuf2, data2, &cfg->sym_crypto,
+ ip_offset);
+ drop_mask3 |= pkt_work_sym_crypto(mbuf3, data3, &cfg->sym_crypto,
+ ip_offset);
+ }
+
return drop_mask0 |
(drop_mask1 << 1) |
(drop_mask2 << 2) |
git.droids-corp.org / dpdk.git / commitdiff