--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2020 Intel Corporation
+ */
+
+#include <rte_cryptodev.h>
+#include <rte_ethdev.h>
+#include <rte_security_driver.h>
+#include <rte_security.h>
+
+#include "iavf.h"
+#include "iavf_rxtx.h"
+#include "iavf_log.h"
+#include "iavf_generic_flow.h"
+
+#include "iavf_ipsec_crypto.h"
+#include "iavf_ipsec_crypto_capabilities.h"
+
+/**
+ * iAVF IPsec Crypto Security Context
+ */
+struct iavf_security_ctx {
+ struct iavf_adapter *adapter;
+ int pkt_md_offset;
+ struct rte_cryptodev_capabilities *crypto_capabilities;
+};
+
+/**
+ * iAVF IPsec Crypto Security Session Parameters
+ */
+struct iavf_security_session {
+ struct iavf_adapter *adapter;
+
+ enum rte_security_ipsec_sa_mode mode;
+ enum rte_security_ipsec_tunnel_type type;
+ enum rte_security_ipsec_sa_direction direction;
+
+ struct {
+ uint32_t spi; /* Security Parameter Index */
+ uint32_t hw_idx; /* SA Index in hardware table */
+ } sa;
+
+ struct {
+ uint8_t enabled :1;
+ union {
+ uint64_t value;
+ struct {
+ uint32_t hi;
+ uint32_t low;
+ };
+ };
+ } esn;
+
+ struct {
+ uint8_t enabled :1;
+ } udp_encap;
+
+ size_t iv_sz;
+ size_t icv_sz;
+ size_t block_sz;
+
+ struct iavf_ipsec_crypto_pkt_metadata pkt_metadata_template;
+};
+/**
+ * IV Length field in IPsec Tx Desc uses the following encoding:
+ *
+ * 0B - 0
+ * 4B - 1
+ * 8B - 2
+ * 16B - 3
+ *
+ * but we also need the IV Length for TSO to correctly calculate the total
+ * header length so placing it in the upper 6-bits here for easier reterival.
+ */
+static inline uint8_t
+calc_ipsec_desc_iv_len_field(uint16_t iv_sz)
+{
+ uint8_t iv_length = IAVF_IPSEC_IV_LEN_NONE;
+
+ switch (iv_sz) {
+ case 4:
+ iv_length = IAVF_IPSEC_IV_LEN_DW;
+ break;
+ case 8:
+ iv_length = IAVF_IPSEC_IV_LEN_DDW;
+ break;
+ case 16:
+ iv_length = IAVF_IPSEC_IV_LEN_QDW;
+ break;
+ }
+
+ return (iv_sz << 2) | iv_length;
+}
+
+static unsigned int
+iavf_ipsec_crypto_session_size_get(void *device __rte_unused)
+{
+ return sizeof(struct iavf_security_session);
+}
+
+static const struct rte_cryptodev_symmetric_capability *
+get_capability(struct iavf_security_ctx *iavf_sctx,
+ uint32_t algo, uint32_t type)
+{
+ const struct rte_cryptodev_capabilities *capability;
+ int i = 0;
+
+ capability = &iavf_sctx->crypto_capabilities[i];
+
+ while (capability->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
+ if (capability->op == RTE_CRYPTO_OP_TYPE_SYMMETRIC &&
+ (uint32_t)capability->sym.xform_type == type &&
+ (uint32_t)capability->sym.cipher.algo == algo)
+ return &capability->sym;
+ /** try next capability */
+ capability = &iavf_crypto_capabilities[i++];
+ }
+
+ return NULL;
+}
+
+static const struct rte_cryptodev_symmetric_capability *
+get_auth_capability(struct iavf_security_ctx *iavf_sctx,
+ enum rte_crypto_auth_algorithm algo)
+{
+ return get_capability(iavf_sctx, algo, RTE_CRYPTO_SYM_XFORM_AUTH);
+}
+
+static const struct rte_cryptodev_symmetric_capability *
+get_cipher_capability(struct iavf_security_ctx *iavf_sctx,
+ enum rte_crypto_cipher_algorithm algo)
+{
+ return get_capability(iavf_sctx, algo, RTE_CRYPTO_SYM_XFORM_CIPHER);
+}
+static const struct rte_cryptodev_symmetric_capability *
+get_aead_capability(struct iavf_security_ctx *iavf_sctx,
+ enum rte_crypto_aead_algorithm algo)
+{
+ return get_capability(iavf_sctx, algo, RTE_CRYPTO_SYM_XFORM_AEAD);
+}
+
+static uint16_t
+get_cipher_blocksize(struct iavf_security_ctx *iavf_sctx,
+ enum rte_crypto_cipher_algorithm algo)
+{
+ const struct rte_cryptodev_symmetric_capability *capability;
+
+ capability = get_cipher_capability(iavf_sctx, algo);
+ if (capability == NULL)
+ return 0;
+
+ return capability->cipher.block_size;
+}
+
+static uint16_t
+get_aead_blocksize(struct iavf_security_ctx *iavf_sctx,
+ enum rte_crypto_aead_algorithm algo)
+{
+ const struct rte_cryptodev_symmetric_capability *capability;
+
+ capability = get_aead_capability(iavf_sctx, algo);
+ if (capability == NULL)
+ return 0;
+
+ return capability->cipher.block_size;
+}
+
+static uint16_t
+get_auth_blocksize(struct iavf_security_ctx *iavf_sctx,
+ enum rte_crypto_auth_algorithm algo)
+{
+ const struct rte_cryptodev_symmetric_capability *capability;
+
+ capability = get_auth_capability(iavf_sctx, algo);
+ if (capability == NULL)
+ return 0;
+
+ return capability->auth.block_size;
+}
+
+static uint8_t
+calc_context_desc_cipherblock_sz(size_t len)
+{
+ switch (len) {
+ case 8:
+ return 0x2;
+ case 16:
+ return 0x3;
+ default:
+ return 0x0;
+ }
+}
+
+static int
+valid_length(uint32_t len, uint32_t min, uint32_t max, uint32_t increment)
+{
+ if (len < min || len > max)
+ return false;
+
+ if (increment == 0)
+ return true;
+
+ if ((len - min) % increment)
+ return false;
+
+ /* make sure it fits in the key array */
+ if (len > VIRTCHNL_IPSEC_MAX_KEY_LEN)
+ return false;
+
+ return true;
+}
+
+static int
+valid_auth_xform(struct iavf_security_ctx *iavf_sctx,
+ struct rte_crypto_auth_xform *auth)
+{
+ const struct rte_cryptodev_symmetric_capability *capability;
+
+ capability = get_auth_capability(iavf_sctx, auth->algo);
+ if (capability == NULL)
+ return false;
+
+ /* verify key size */
+ if (!valid_length(auth->key.length,
+ capability->auth.key_size.min,
+ capability->auth.key_size.max,
+ capability->aead.key_size.increment))
+ return false;
+
+ return true;
+}
+
+static int
+valid_cipher_xform(struct iavf_security_ctx *iavf_sctx,
+ struct rte_crypto_cipher_xform *cipher)
+{
+ const struct rte_cryptodev_symmetric_capability *capability;
+
+ capability = get_cipher_capability(iavf_sctx, cipher->algo);
+ if (capability == NULL)
+ return false;
+
+ /* verify key size */
+ if (!valid_length(cipher->key.length,
+ capability->cipher.key_size.min,
+ capability->cipher.key_size.max,
+ capability->cipher.key_size.increment))
+ return false;
+
+ return true;
+}
+
+static int
+valid_aead_xform(struct iavf_security_ctx *iavf_sctx,
+ struct rte_crypto_aead_xform *aead)
+{
+ const struct rte_cryptodev_symmetric_capability *capability;
+
+ capability = get_aead_capability(iavf_sctx, aead->algo);
+ if (capability == NULL)
+ return false;
+
+ /* verify key size */
+ if (!valid_length(aead->key.length,
+ capability->aead.key_size.min,
+ capability->aead.key_size.max,
+ capability->aead.key_size.increment))
+ return false;
+
+ return true;
+}
+
+static int
+iavf_ipsec_crypto_session_validate_conf(struct iavf_security_ctx *iavf_sctx,
+ struct rte_security_session_conf *conf)
+{
+ /** validate security action/protocol selection */
+ if (conf->action_type != RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO ||
+ conf->protocol != RTE_SECURITY_PROTOCOL_IPSEC) {
+ PMD_DRV_LOG(ERR, "Invalid action / protocol specified");
+ return -EINVAL;
+ }
+
+ /** validate IPsec protocol selection */
+ if (conf->ipsec.proto != RTE_SECURITY_IPSEC_SA_PROTO_ESP) {
+ PMD_DRV_LOG(ERR, "Invalid IPsec protocol specified");
+ return -EINVAL;
+ }
+
+ /** validate selected options */
+ if (conf->ipsec.options.copy_dscp ||
+ conf->ipsec.options.copy_flabel ||
+ conf->ipsec.options.copy_df ||
+ conf->ipsec.options.dec_ttl ||
+ conf->ipsec.options.ecn ||
+ conf->ipsec.options.stats) {
+ PMD_DRV_LOG(ERR, "Invalid IPsec option specified");
+ return -EINVAL;
+ }
+
+ /**
+ * Validate crypto xforms parameters.
+ *
+ * AEAD transforms can be used for either inbound/outbound IPsec SAs,
+ * for non-AEAD crypto transforms we explicitly only support CIPHER/AUTH
+ * for outbound and AUTH/CIPHER chained transforms for inbound IPsec.
+ */
+ if (conf->crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
+ if (!valid_aead_xform(iavf_sctx, &conf->crypto_xform->aead)) {
+ PMD_DRV_LOG(ERR, "Invalid IPsec option specified");
+ return -EINVAL;
+ }
+ } else if (conf->ipsec.direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS &&
+ conf->crypto_xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER &&
+ conf->crypto_xform->next &&
+ conf->crypto_xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
+ if (!valid_cipher_xform(iavf_sctx,
+ &conf->crypto_xform->cipher)) {
+ PMD_DRV_LOG(ERR, "Invalid IPsec option specified");
+ return -EINVAL;
+ }
+
+ if (!valid_auth_xform(iavf_sctx,
+ &conf->crypto_xform->next->auth)) {
+ PMD_DRV_LOG(ERR, "Invalid IPsec option specified");
+ return -EINVAL;
+ }
+ } else if (conf->ipsec.direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS &&
+ conf->crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AUTH &&
+ conf->crypto_xform->next &&
+ conf->crypto_xform->next->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
+ if (!valid_auth_xform(iavf_sctx, &conf->crypto_xform->auth)) {
+ PMD_DRV_LOG(ERR, "Invalid IPsec option specified");
+ return -EINVAL;
+ }
+
+ if (!valid_cipher_xform(iavf_sctx,
+ &conf->crypto_xform->next->cipher)) {
+ PMD_DRV_LOG(ERR, "Invalid IPsec option specified");
+ return -EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+static void
+sa_add_set_aead_params(struct virtchnl_ipsec_crypto_cfg_item *cfg,
+ struct rte_crypto_aead_xform *aead, uint32_t salt)
+{
+ cfg->crypto_type = VIRTCHNL_AEAD;
+
+ switch (aead->algo) {
+ case RTE_CRYPTO_AEAD_AES_CCM:
+ cfg->algo_type = VIRTCHNL_AES_CCM; break;
+ case RTE_CRYPTO_AEAD_AES_GCM:
+ cfg->algo_type = VIRTCHNL_AES_GCM; break;
+ case RTE_CRYPTO_AEAD_CHACHA20_POLY1305:
+ cfg->algo_type = VIRTCHNL_CHACHA20_POLY1305; break;
+ default:
+ PMD_DRV_LOG(ERR, "Invalid AEAD parameters");
+ break;
+ }
+
+ cfg->key_len = aead->key.length;
+ cfg->iv_len = sizeof(uint64_t); /* iv.length includes salt len */
+ cfg->digest_len = aead->digest_length;
+ cfg->salt = salt;
+
+ memcpy(cfg->key_data, aead->key.data, cfg->key_len);
+}
+
+static void
+sa_add_set_cipher_params(struct virtchnl_ipsec_crypto_cfg_item *cfg,
+ struct rte_crypto_cipher_xform *cipher, uint32_t salt)
+{
+ cfg->crypto_type = VIRTCHNL_CIPHER;
+
+ switch (cipher->algo) {
+ case RTE_CRYPTO_CIPHER_AES_CBC:
+ cfg->algo_type = VIRTCHNL_AES_CBC; break;
+ case RTE_CRYPTO_CIPHER_3DES_CBC:
+ cfg->algo_type = VIRTCHNL_3DES_CBC; break;
+ case RTE_CRYPTO_CIPHER_NULL:
+ cfg->algo_type = VIRTCHNL_CIPHER_NO_ALG; break;
+ case RTE_CRYPTO_CIPHER_AES_CTR:
+ cfg->algo_type = VIRTCHNL_AES_CTR;
+ cfg->salt = salt;
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "Invalid cipher parameters");
+ break;
+ }
+
+ cfg->key_len = cipher->key.length;
+ cfg->iv_len = cipher->iv.length;
+ cfg->salt = salt;
+
+ memcpy(cfg->key_data, cipher->key.data, cfg->key_len);
+}
+
+static void
+sa_add_set_auth_params(struct virtchnl_ipsec_crypto_cfg_item *cfg,
+ struct rte_crypto_auth_xform *auth, uint32_t salt)
+{
+ cfg->crypto_type = VIRTCHNL_AUTH;
+
+ switch (auth->algo) {
+ case RTE_CRYPTO_AUTH_NULL:
+ cfg->algo_type = VIRTCHNL_HASH_NO_ALG; break;
+ case RTE_CRYPTO_AUTH_AES_CBC_MAC:
+ cfg->algo_type = VIRTCHNL_AES_CBC_MAC; break;
+ case RTE_CRYPTO_AUTH_AES_CMAC:
+ cfg->algo_type = VIRTCHNL_AES_CMAC; break;
+ case RTE_CRYPTO_AUTH_AES_XCBC_MAC:
+ cfg->algo_type = VIRTCHNL_AES_XCBC_MAC; break;
+ case RTE_CRYPTO_AUTH_MD5_HMAC:
+ cfg->algo_type = VIRTCHNL_MD5_HMAC; break;
+ case RTE_CRYPTO_AUTH_SHA1_HMAC:
+ cfg->algo_type = VIRTCHNL_SHA1_HMAC; break;
+ case RTE_CRYPTO_AUTH_SHA224_HMAC:
+ cfg->algo_type = VIRTCHNL_SHA224_HMAC; break;
+ case RTE_CRYPTO_AUTH_SHA256_HMAC:
+ cfg->algo_type = VIRTCHNL_SHA256_HMAC; break;
+ case RTE_CRYPTO_AUTH_SHA384_HMAC:
+ cfg->algo_type = VIRTCHNL_SHA384_HMAC; break;
+ case RTE_CRYPTO_AUTH_SHA512_HMAC:
+ cfg->algo_type = VIRTCHNL_SHA512_HMAC; break;
+ case RTE_CRYPTO_AUTH_AES_GMAC:
+ cfg->algo_type = VIRTCHNL_AES_GMAC;
+ cfg->salt = salt;
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "Invalid auth parameters");
+ break;
+ }
+
+ cfg->key_len = auth->key.length;
+ /* special case for RTE_CRYPTO_AUTH_AES_GMAC */
+ if (auth->algo == RTE_CRYPTO_AUTH_AES_GMAC)
+ cfg->iv_len = sizeof(uint64_t); /* iv.length includes salt */
+ else
+ cfg->iv_len = auth->iv.length;
+ cfg->digest_len = auth->digest_length;
+
+ memcpy(cfg->key_data, auth->key.data, cfg->key_len);
+}
+
+/**
+ * Send SA add virtual channel request to Inline IPsec driver.
+ *
+ * Inline IPsec driver expects SPI and destination IP adderss to be in host
+ * order, but DPDK APIs are network order, therefore we need to do a htonl
+ * conversion of these parameters.
+ */
+static uint32_t
+iavf_ipsec_crypto_security_association_add(struct iavf_adapter *adapter,
+ struct rte_security_session_conf *conf)
+{
+ struct inline_ipsec_msg *request = NULL, *response = NULL;
+ struct virtchnl_ipsec_sa_cfg *sa_cfg;
+ size_t request_len, response_len;
+
+ int rc;
+
+ request_len = sizeof(struct inline_ipsec_msg) +
+ sizeof(struct virtchnl_ipsec_sa_cfg);
+
+ request = rte_malloc("iavf-sad-add-request", request_len, 0);
+ if (request == NULL) {
+ rc = -ENOMEM;
+ goto update_cleanup;
+ }
+
+ response_len = sizeof(struct inline_ipsec_msg) +
+ sizeof(struct virtchnl_ipsec_sa_cfg_resp);
+ response = rte_malloc("iavf-sad-add-response", response_len, 0);
+ if (response == NULL) {
+ rc = -ENOMEM;
+ goto update_cleanup;
+ }
+
+ /* set msg header params */
+ request->ipsec_opcode = INLINE_IPSEC_OP_SA_CREATE;
+ request->req_id = (uint16_t)0xDEADBEEF;
+
+ /* set SA configuration params */
+ sa_cfg = (struct virtchnl_ipsec_sa_cfg *)(request + 1);
+
+ sa_cfg->spi = conf->ipsec.spi;
+ sa_cfg->virtchnl_protocol_type = VIRTCHNL_PROTO_ESP;
+ sa_cfg->virtchnl_direction =
+ conf->ipsec.direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS ?
+ VIRTCHNL_DIR_INGRESS : VIRTCHNL_DIR_EGRESS;
+
+ if (conf->ipsec.options.esn) {
+ sa_cfg->esn_enabled = 1;
+ sa_cfg->esn_hi = conf->ipsec.esn.hi;
+ sa_cfg->esn_low = conf->ipsec.esn.low;
+ }
+
+ if (conf->ipsec.options.udp_encap)
+ sa_cfg->udp_encap_enabled = 1;
+
+ /* Set outer IP params */
+ if (conf->ipsec.tunnel.type == RTE_SECURITY_IPSEC_TUNNEL_IPV4) {
+ sa_cfg->virtchnl_ip_type = VIRTCHNL_IPV4;
+
+ *((uint32_t *)sa_cfg->dst_addr) =
+ htonl(conf->ipsec.tunnel.ipv4.dst_ip.s_addr);
+ } else {
+ uint32_t *v6_dst_addr =
+ (uint32_t *)conf->ipsec.tunnel.ipv6.dst_addr.s6_addr;
+
+ sa_cfg->virtchnl_ip_type = VIRTCHNL_IPV6;
+
+ ((uint32_t *)sa_cfg->dst_addr)[0] = htonl(v6_dst_addr[0]);
+ ((uint32_t *)sa_cfg->dst_addr)[1] = htonl(v6_dst_addr[1]);
+ ((uint32_t *)sa_cfg->dst_addr)[2] = htonl(v6_dst_addr[2]);
+ ((uint32_t *)sa_cfg->dst_addr)[3] = htonl(v6_dst_addr[3]);
+ }
+
+ /* set crypto params */
+ if (conf->crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
+ sa_add_set_aead_params(&sa_cfg->crypto_cfg.items[0],
+ &conf->crypto_xform->aead, conf->ipsec.salt);
+
+ } else if (conf->crypto_xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
+ sa_add_set_cipher_params(&sa_cfg->crypto_cfg.items[0],
+ &conf->crypto_xform->cipher, conf->ipsec.salt);
+ sa_add_set_auth_params(&sa_cfg->crypto_cfg.items[1],
+ &conf->crypto_xform->next->auth, conf->ipsec.salt);
+
+ } else if (conf->crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
+ sa_add_set_auth_params(&sa_cfg->crypto_cfg.items[0],
+ &conf->crypto_xform->auth, conf->ipsec.salt);
+ if (conf->crypto_xform->auth.algo != RTE_CRYPTO_AUTH_AES_GMAC)
+ sa_add_set_cipher_params(&sa_cfg->crypto_cfg.items[1],
+ &conf->crypto_xform->next->cipher, conf->ipsec.salt);
+ }
+
+ /* send virtual channel request to add SA to hardware database */
+ rc = iavf_ipsec_crypto_request(adapter,
+ (uint8_t *)request, request_len,
+ (uint8_t *)response, response_len);
+ if (rc)
+ goto update_cleanup;
+
+ /* verify response id */
+ if (response->ipsec_opcode != request->ipsec_opcode ||
+ response->req_id != request->req_id)
+ rc = -EFAULT;
+ else
+ rc = response->ipsec_data.sa_cfg_resp->sa_handle;
+update_cleanup:
+ rte_free(response);
+ rte_free(request);
+
+ return rc;
+}
+
+static void
+set_pkt_metadata_template(struct iavf_ipsec_crypto_pkt_metadata *template,
+ struct iavf_security_session *sess)
+{
+ template->sa_idx = sess->sa.hw_idx;
+
+ if (sess->udp_encap.enabled)
+ template->ol_flags = IAVF_IPSEC_CRYPTO_OL_FLAGS_NATT;
+
+ if (sess->esn.enabled)
+ template->ol_flags = IAVF_IPSEC_CRYPTO_OL_FLAGS_ESN;
+
+ template->len_iv = calc_ipsec_desc_iv_len_field(sess->iv_sz);
+ template->ctx_desc_ipsec_params =
+ calc_context_desc_cipherblock_sz(sess->block_sz) |
+ ((uint8_t)(sess->icv_sz >> 2) << 3);
+}
+
+static void
+set_session_parameter(struct iavf_security_ctx *iavf_sctx,
+ struct iavf_security_session *sess,
+ struct rte_security_session_conf *conf, uint32_t sa_idx)
+{
+ sess->adapter = iavf_sctx->adapter;
+
+ sess->mode = conf->ipsec.mode;
+ sess->direction = conf->ipsec.direction;
+
+ if (sess->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL)
+ sess->type = conf->ipsec.tunnel.type;
+
+ sess->sa.spi = conf->ipsec.spi;
+ sess->sa.hw_idx = sa_idx;
+
+ if (conf->ipsec.options.esn) {
+ sess->esn.enabled = 1;
+ sess->esn.value = conf->ipsec.esn.value;
+ }
+
+ if (conf->ipsec.options.udp_encap)
+ sess->udp_encap.enabled = 1;
+
+ if (conf->crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
+ sess->block_sz = get_aead_blocksize(iavf_sctx,
+ conf->crypto_xform->aead.algo);
+ sess->iv_sz = sizeof(uint64_t); /* iv.length includes salt */
+ sess->icv_sz = conf->crypto_xform->aead.digest_length;
+ } else if (conf->crypto_xform->type == RTE_CRYPTO_SYM_XFORM_CIPHER) {
+ sess->block_sz = get_cipher_blocksize(iavf_sctx,
+ conf->crypto_xform->cipher.algo);
+ sess->iv_sz = conf->crypto_xform->cipher.iv.length;
+ sess->icv_sz = conf->crypto_xform->next->auth.digest_length;
+ } else if (conf->crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
+ if (conf->crypto_xform->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC) {
+ sess->block_sz = get_auth_blocksize(iavf_sctx,
+ conf->crypto_xform->auth.algo);
+ sess->iv_sz = conf->crypto_xform->auth.iv.length;
+ sess->icv_sz = conf->crypto_xform->auth.digest_length;
+ } else {
+ sess->block_sz = get_cipher_blocksize(iavf_sctx,
+ conf->crypto_xform->next->cipher.algo);
+ sess->iv_sz =
+ conf->crypto_xform->next->cipher.iv.length;
+ sess->icv_sz = conf->crypto_xform->auth.digest_length;
+ }
+ }
+
+ set_pkt_metadata_template(&sess->pkt_metadata_template, sess);
+}
+
+/**
+ * Create IPsec Security Association for inline IPsec Crypto offload.
+ *
+ * 1. validate session configuration parameters
+ * 2. allocate session memory from mempool
+ * 3. add SA to hardware database
+ * 4. set session parameters
+ * 5. create packet metadata template for datapath
+ */
+static int
+iavf_ipsec_crypto_session_create(void *device,
+ struct rte_security_session_conf *conf,
+ struct rte_security_session *session,
+ struct rte_mempool *mempool)
+{
+ struct rte_eth_dev *ethdev = device;
+ struct iavf_adapter *adapter =
+ IAVF_DEV_PRIVATE_TO_ADAPTER(ethdev->data->dev_private);
+ struct iavf_security_ctx *iavf_sctx = adapter->security_ctx;
+ struct iavf_security_session *iavf_session = NULL;
+ int sa_idx;
+ int ret = 0;
+
+ /* validate that all SA parameters are valid for device */
+ ret = iavf_ipsec_crypto_session_validate_conf(iavf_sctx, conf);
+ if (ret)
+ return ret;
+
+ /* allocate session context */
+ if (rte_mempool_get(mempool, (void **)&iavf_session)) {
+ PMD_DRV_LOG(ERR, "Cannot get object from sess mempool");
+ return -ENOMEM;
+ }
+
+ /* add SA to hardware database */
+ sa_idx = iavf_ipsec_crypto_security_association_add(adapter, conf);
+ if (sa_idx < 0) {
+ PMD_DRV_LOG(ERR,
+ "Failed to add SA (spi: %d, mode: %s, direction: %s)",
+ conf->ipsec.spi,
+ conf->ipsec.mode ==
+ RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT ?
+ "transport" : "tunnel",
+ conf->ipsec.direction ==
+ RTE_SECURITY_IPSEC_SA_DIR_INGRESS ?
+ "inbound" : "outbound");
+
+ rte_mempool_put(mempool, iavf_session);
+ return -EFAULT;
+ }
+
+ /* save data plane required session parameters */
+ set_session_parameter(iavf_sctx, iavf_session, conf, sa_idx);
+
+ /* save to security session private data */
+ set_sec_session_private_data(session, iavf_session);
+
+ return 0;
+}
+
+/**
+ * Check if valid ipsec crypto action.
+ * SPI must be non-zero and SPI in session must match SPI value
+ * passed into function.
+ *
+ * returns: 0 if invalid session or SPI value equal zero
+ * returns: 1 if valid
+ */
+uint32_t
+iavf_ipsec_crypto_action_valid(struct rte_eth_dev *ethdev,
+ const struct rte_security_session *session, uint32_t spi)
+{
+ struct iavf_adapter *adapter =
+ IAVF_DEV_PRIVATE_TO_ADAPTER(ethdev->data->dev_private);
+ struct iavf_security_session *sess = session->sess_private_data;
+
+ /* verify we have a valid session and that it belong to this adapter */
+ if (unlikely(sess == NULL || sess->adapter != adapter))
+ return false;
+
+ /* SPI value must be non-zero */
+ if (spi == 0)
+ return false;
+ /* Session SPI must patch flow SPI*/
+ else if (sess->sa.spi == spi) {
+ return true;
+ /**
+ * TODO: We should add a way of tracking valid hw SA indices to
+ * make validation less brittle
+ */
+ }
+
+ return true;
+}
+
+/**
+ * Send virtual channel security policy add request to IES driver.
+ *
+ * IES driver expects SPI and destination IP adderss to be in host
+ * order, but DPDK APIs are network order, therefore we need to do a htonl
+ * conversion of these parameters.
+ */
+int
+iavf_ipsec_crypto_inbound_security_policy_add(struct iavf_adapter *adapter,
+ uint32_t esp_spi,
+ uint8_t is_v4,
+ rte_be32_t v4_dst_addr,
+ uint8_t *v6_dst_addr,
+ uint8_t drop)
+{
+ struct inline_ipsec_msg *request = NULL, *response = NULL;
+ size_t request_len, response_len;
+ int rc = 0;
+
+ request_len = sizeof(struct inline_ipsec_msg) +
+ sizeof(struct virtchnl_ipsec_sp_cfg);
+ request = rte_malloc("iavf-inbound-security-policy-add-request",
+ request_len, 0);
+ if (request == NULL) {
+ rc = -ENOMEM;
+ goto update_cleanup;
+ }
+
+ /* set msg header params */
+ request->ipsec_opcode = INLINE_IPSEC_OP_SP_CREATE;
+ request->req_id = (uint16_t)0xDEADBEEF;
+
+ /* ESP SPI */
+ request->ipsec_data.sp_cfg->spi = htonl(esp_spi);
+
+ /* Destination IP */
+ if (is_v4) {
+ request->ipsec_data.sp_cfg->table_id =
+ VIRTCHNL_IPSEC_INBOUND_SPD_TBL_IPV4;
+ request->ipsec_data.sp_cfg->dip[0] = htonl(v4_dst_addr);
+ } else {
+ request->ipsec_data.sp_cfg->table_id =
+ VIRTCHNL_IPSEC_INBOUND_SPD_TBL_IPV6;
+ request->ipsec_data.sp_cfg->dip[0] =
+ htonl(((uint32_t *)v6_dst_addr)[0]);
+ request->ipsec_data.sp_cfg->dip[1] =
+ htonl(((uint32_t *)v6_dst_addr)[1]);
+ request->ipsec_data.sp_cfg->dip[2] =
+ htonl(((uint32_t *)v6_dst_addr)[2]);
+ request->ipsec_data.sp_cfg->dip[3] =
+ htonl(((uint32_t *)v6_dst_addr)[3]);
+ }
+
+ request->ipsec_data.sp_cfg->drop = drop;
+
+ /** Traffic Class/Congestion Domain currently not support */
+ request->ipsec_data.sp_cfg->set_tc = 0;
+ request->ipsec_data.sp_cfg->cgd = 0;
+
+ response_len = sizeof(struct inline_ipsec_msg) +
+ sizeof(struct virtchnl_ipsec_sp_cfg_resp);
+ response = rte_malloc("iavf-inbound-security-policy-add-response",
+ response_len, 0);
+ if (response == NULL) {
+ rc = -ENOMEM;
+ goto update_cleanup;
+ }
+
+ /* send virtual channel request to add SA to hardware database */
+ rc = iavf_ipsec_crypto_request(adapter,
+ (uint8_t *)request, request_len,
+ (uint8_t *)response, response_len);
+ if (rc)
+ goto update_cleanup;
+
+ /* verify response */
+ if (response->ipsec_opcode != request->ipsec_opcode ||
+ response->req_id != request->req_id)
+ rc = -EFAULT;
+ else
+ rc = response->ipsec_data.sp_cfg_resp->rule_id;
+
+update_cleanup:
+ rte_free(request);
+ rte_free(response);
+
+ return rc;
+}
+
+static uint32_t
+iavf_ipsec_crypto_sa_update_esn(struct iavf_adapter *adapter,
+ struct iavf_security_session *sess)
+{
+ struct inline_ipsec_msg *request = NULL, *response = NULL;
+ size_t request_len, response_len;
+ int rc = 0;
+
+ request_len = sizeof(struct inline_ipsec_msg) +
+ sizeof(struct virtchnl_ipsec_sa_update);
+ request = rte_malloc("iavf-sa-update-request", request_len, 0);
+ if (request == NULL) {
+ rc = -ENOMEM;
+ goto update_cleanup;
+ }
+
+ response_len = sizeof(struct inline_ipsec_msg) +
+ sizeof(struct virtchnl_ipsec_resp);
+ response = rte_malloc("iavf-sa-update-response", response_len, 0);
+ if (response == NULL) {
+ rc = -ENOMEM;
+ goto update_cleanup;
+ }
+
+ /* set msg header params */
+ request->ipsec_opcode = INLINE_IPSEC_OP_SA_UPDATE;
+ request->req_id = (uint16_t)0xDEADBEEF;
+
+ /* set request params */
+ request->ipsec_data.sa_update->sa_index = sess->sa.hw_idx;
+ request->ipsec_data.sa_update->esn_hi = sess->esn.hi;
+
+ /* send virtual channel request to add SA to hardware database */
+ rc = iavf_ipsec_crypto_request(adapter,
+ (uint8_t *)request, request_len,
+ (uint8_t *)response, response_len);
+ if (rc)
+ goto update_cleanup;
+
+ /* verify response */
+ if (response->ipsec_opcode != request->ipsec_opcode ||
+ response->req_id != request->req_id)
+ rc = -EFAULT;
+ else
+ rc = response->ipsec_data.ipsec_resp->resp;
+
+update_cleanup:
+ rte_free(request);
+ rte_free(response);
+
+ return rc;
+}
+
+static int
+iavf_ipsec_crypto_session_update(void *device,
+ struct rte_security_session *session,
+ struct rte_security_session_conf *conf)
+{
+ struct iavf_adapter *adapter = NULL;
+ struct iavf_security_session *iavf_sess = NULL;
+ struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)device;
+ int rc = 0;
+
+ adapter = IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
+ iavf_sess = (struct iavf_security_session *)session->sess_private_data;
+
+ /* verify we have a valid session and that it belong to this adapter */
+ if (unlikely(iavf_sess == NULL || iavf_sess->adapter != adapter))
+ return -EINVAL;
+
+ /* update esn hi 32-bits */
+ if (iavf_sess->esn.enabled && conf->ipsec.options.esn) {
+ /**
+ * Update ESN in hardware for inbound SA. Store in
+ * iavf_security_session for outbound SA for use
+ * in *iavf_ipsec_crypto_pkt_metadata_set* function.
+ */
+ if (iavf_sess->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS)
+ rc = iavf_ipsec_crypto_sa_update_esn(adapter,
+ iavf_sess);
+ else
+ iavf_sess->esn.hi = conf->ipsec.esn.hi;
+ }
+
+ return rc;
+}
+
+static int
+iavf_ipsec_crypto_session_stats_get(void *device __rte_unused,
+ struct rte_security_session *session __rte_unused,
+ struct rte_security_stats *stats __rte_unused)
+{
+ return -EOPNOTSUPP;
+}
+
+int
+iavf_ipsec_crypto_security_policy_delete(struct iavf_adapter *adapter,
+ uint8_t is_v4, uint32_t flow_id)
+{
+ struct inline_ipsec_msg *request = NULL, *response = NULL;
+ size_t request_len, response_len;
+ int rc = 0;
+
+ request_len = sizeof(struct inline_ipsec_msg) +
+ sizeof(struct virtchnl_ipsec_sp_destroy);
+ request = rte_malloc("iavf-sp-del-request", request_len, 0);
+ if (request == NULL) {
+ rc = -ENOMEM;
+ goto update_cleanup;
+ }
+
+ response_len = sizeof(struct inline_ipsec_msg) +
+ sizeof(struct virtchnl_ipsec_resp);
+ response = rte_malloc("iavf-sp-del-response", response_len, 0);
+ if (response == NULL) {
+ rc = -ENOMEM;
+ goto update_cleanup;
+ }
+
+ /* set msg header params */
+ request->ipsec_opcode = INLINE_IPSEC_OP_SP_DESTROY;
+ request->req_id = (uint16_t)0xDEADBEEF;
+
+ /* set security policy params */
+ request->ipsec_data.sp_destroy->table_id = is_v4 ?
+ VIRTCHNL_IPSEC_INBOUND_SPD_TBL_IPV4 :
+ VIRTCHNL_IPSEC_INBOUND_SPD_TBL_IPV6;
+ request->ipsec_data.sp_destroy->rule_id = flow_id;
+
+ /* send virtual channel request to add SA to hardware database */
+ rc = iavf_ipsec_crypto_request(adapter,
+ (uint8_t *)request, request_len,
+ (uint8_t *)response, response_len);
+ if (rc)
+ goto update_cleanup;
+
+ /* verify response */
+ if (response->ipsec_opcode != request->ipsec_opcode ||
+ response->req_id != request->req_id)
+ rc = -EFAULT;
+ else
+ return response->ipsec_data.ipsec_status->status;
+
+update_cleanup:
+ rte_free(request);
+ rte_free(response);
+
+ return rc;
+}
+
+static uint32_t
+iavf_ipsec_crypto_sa_del(struct iavf_adapter *adapter,
+ struct iavf_security_session *sess)
+{
+ struct inline_ipsec_msg *request = NULL, *response = NULL;
+ size_t request_len, response_len;
+
+ int rc = 0;
+
+ request_len = sizeof(struct inline_ipsec_msg) +
+ sizeof(struct virtchnl_ipsec_sa_destroy);
+
+ request = rte_malloc("iavf-sa-del-request", request_len, 0);
+ if (request == NULL) {
+ rc = -ENOMEM;
+ goto update_cleanup;
+ }
+
+ response_len = sizeof(struct inline_ipsec_msg) +
+ sizeof(struct virtchnl_ipsec_resp);
+
+ response = rte_malloc("iavf-sa-del-response", response_len, 0);
+ if (response == NULL) {
+ rc = -ENOMEM;
+ goto update_cleanup;
+ }
+
+ /* set msg header params */
+ request->ipsec_opcode = INLINE_IPSEC_OP_SA_DESTROY;
+ request->req_id = (uint16_t)0xDEADBEEF;
+
+ /**
+ * SA delete supports deletetion of 1-8 specified SA's or if the flag
+ * field is zero, all SA's associated with VF will be deleted.
+ */
+ if (sess) {
+ request->ipsec_data.sa_destroy->flag = 0x1;
+ request->ipsec_data.sa_destroy->sa_index[0] = sess->sa.hw_idx;
+ } else {
+ request->ipsec_data.sa_destroy->flag = 0x0;
+ }
+
+ /* send virtual channel request to add SA to hardware database */
+ rc = iavf_ipsec_crypto_request(adapter,
+ (uint8_t *)request, request_len,
+ (uint8_t *)response, response_len);
+ if (rc)
+ goto update_cleanup;
+
+ /* verify response */
+ if (response->ipsec_opcode != request->ipsec_opcode ||
+ response->req_id != request->req_id)
+ rc = -EFAULT;
+
+ /**
+ * Delete status will be the same bitmask as sa_destroy request flag if
+ * deletes successful
+ */
+ if (request->ipsec_data.sa_destroy->flag !=
+ response->ipsec_data.ipsec_status->status)
+ rc = -EFAULT;
+
+update_cleanup:
+ rte_free(response);
+ rte_free(request);
+
+ return rc;
+}
+
+static int
+iavf_ipsec_crypto_session_destroy(void *device,
+ struct rte_security_session *session)
+{
+ struct iavf_adapter *adapter = NULL;
+ struct iavf_security_session *iavf_sess = NULL;
+ struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)device;
+ int ret;
+
+ adapter = IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
+ iavf_sess = (struct iavf_security_session *)session->sess_private_data;
+
+ /* verify we have a valid session and that it belong to this adapter */
+ if (unlikely(iavf_sess == NULL || iavf_sess->adapter != adapter))
+ return -EINVAL;
+
+ ret = iavf_ipsec_crypto_sa_del(adapter, iavf_sess);
+ rte_mempool_put(rte_mempool_from_obj(iavf_sess), (void *)iavf_sess);
+ return ret;
+}
+
+/**
+ * Get ESP trailer from packet as well as calculate the total ESP trailer
+ * length, which include padding, ESP trailer footer and the ICV
+ */
+static inline struct rte_esp_tail *
+iavf_ipsec_crypto_get_esp_trailer(struct rte_mbuf *m,
+ struct iavf_security_session *s, uint16_t *esp_trailer_length)
+{
+ struct rte_esp_tail *esp_trailer;
+
+ uint16_t length = sizeof(struct rte_esp_tail) + s->icv_sz;
+ uint16_t offset = 0;
+
+ /**
+ * The ICV will not be present in TSO packets as this is appended by
+ * hardware during segment generation
+ */
+ if (m->ol_flags & (RTE_MBUF_F_TX_TCP_SEG | RTE_MBUF_F_TX_UDP_SEG))
+ length -= s->icv_sz;
+
+ *esp_trailer_length = length;
+
+ /**
+ * Calculate offset in packet to ESP trailer header, this should be
+ * total packet length less the size of the ESP trailer plus the ICV
+ * length if it is present
+ */
+ offset = rte_pktmbuf_pkt_len(m) - length;
+
+ if (m->nb_segs > 1) {
+ /* find segment which esp trailer is located */
+ while (m->data_len < offset) {
+ offset -= m->data_len;
+ m = m->next;
+ }
+ }
+
+ esp_trailer = rte_pktmbuf_mtod_offset(m, struct rte_esp_tail *, offset);
+
+ *esp_trailer_length += esp_trailer->pad_len;
+
+ return esp_trailer;
+}
+
+static inline uint16_t
+iavf_ipsec_crypto_compute_l4_payload_length(struct rte_mbuf *m,
+ struct iavf_security_session *s, uint16_t esp_tlen)
+{
+ uint16_t ol2_len = m->l2_len; /* MAC + VLAN */
+ uint16_t ol3_len = 0; /* ipv4/6 + ext hdrs */
+ uint16_t ol4_len = 0; /* UDP NATT */
+ uint16_t l3_len = 0; /* IPv4/6 + ext hdrs */
+ uint16_t l4_len = 0; /* TCP/UDP/STCP hdrs */
+ uint16_t esp_hlen = sizeof(struct rte_esp_hdr) + s->iv_sz;
+
+ if (s->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL)
+ ol3_len = m->outer_l3_len;
+ /**<
+ * application provided l3len assumed to include length of
+ * ipv4/6 hdr + ext hdrs
+ */
+
+ if (s->udp_encap.enabled)
+ ol4_len = sizeof(struct rte_udp_hdr);
+
+ l3_len = m->l3_len;
+ l4_len = m->l4_len;
+
+ return rte_pktmbuf_pkt_len(m) - (ol2_len + ol3_len + ol4_len +
+ esp_hlen + l3_len + l4_len + esp_tlen);
+}
+
+static int
+iavf_ipsec_crypto_pkt_metadata_set(void *device,
+ struct rte_security_session *session,
+ struct rte_mbuf *m, void *params)
+{
+ struct rte_eth_dev *ethdev = device;
+ struct iavf_adapter *adapter =
+ IAVF_DEV_PRIVATE_TO_ADAPTER(ethdev->data->dev_private);
+ struct iavf_security_ctx *iavf_sctx = adapter->security_ctx;
+ struct iavf_security_session *iavf_sess = session->sess_private_data;
+ struct iavf_ipsec_crypto_pkt_metadata *md;
+ struct rte_esp_tail *esp_tail;
+ uint64_t *sqn = params;
+ uint16_t esp_trailer_length;
+
+ /* Check we have valid session and is associated with this device */
+ if (unlikely(iavf_sess == NULL || iavf_sess->adapter != adapter))
+ return -EINVAL;
+
+ /* Get dynamic metadata location from mbuf */
+ md = RTE_MBUF_DYNFIELD(m, iavf_sctx->pkt_md_offset,
+ struct iavf_ipsec_crypto_pkt_metadata *);
+
+ /* Set immutatable metadata values from session template */
+ memcpy(md, &iavf_sess->pkt_metadata_template,
+ sizeof(struct iavf_ipsec_crypto_pkt_metadata));
+
+ esp_tail = iavf_ipsec_crypto_get_esp_trailer(m, iavf_sess,
+ &esp_trailer_length);
+
+ /* Set per packet mutable metadata values */
+ md->esp_trailer_len = esp_trailer_length;
+ md->l4_payload_len = iavf_ipsec_crypto_compute_l4_payload_length(m,
+ iavf_sess, esp_trailer_length);
+ md->next_proto = esp_tail->next_proto;
+
+ /* If Extended SN in use set the upper 32-bits in metadata */
+ if (iavf_sess->esn.enabled && sqn != NULL)
+ md->esn = (uint32_t)(*sqn >> 32);
+
+ return 0;
+}
+
+static int
+iavf_ipsec_crypto_device_capabilities_get(struct iavf_adapter *adapter,
+ struct virtchnl_ipsec_cap *capability)
+{
+ /* Perform pf-vf comms */
+ struct inline_ipsec_msg *request = NULL, *response = NULL;
+ size_t request_len, response_len;
+ int rc;
+
+ request_len = sizeof(struct inline_ipsec_msg);
+
+ request = rte_malloc("iavf-device-capability-request", request_len, 0);
+ if (request == NULL) {
+ rc = -ENOMEM;
+ goto update_cleanup;
+ }
+
+ response_len = sizeof(struct inline_ipsec_msg) +
+ sizeof(struct virtchnl_ipsec_cap);
+ response = rte_malloc("iavf-device-capability-response",
+ response_len, 0);
+ if (response == NULL) {
+ rc = -ENOMEM;
+ goto update_cleanup;
+ }
+
+ /* set msg header params */
+ request->ipsec_opcode = INLINE_IPSEC_OP_GET_CAP;
+ request->req_id = (uint16_t)0xDEADBEEF;
+
+ /* send virtual channel request to add SA to hardware database */
+ rc = iavf_ipsec_crypto_request(adapter,
+ (uint8_t *)request, request_len,
+ (uint8_t *)response, response_len);
+ if (rc)
+ goto update_cleanup;
+
+ /* verify response id */
+ if (response->ipsec_opcode != request->ipsec_opcode ||
+ response->req_id != request->req_id){
+ rc = -EFAULT;
+ goto update_cleanup;
+ }
+ memcpy(capability, response->ipsec_data.ipsec_cap, sizeof(*capability));
+
+update_cleanup:
+ rte_free(response);
+ rte_free(request);
+
+ return rc;
+}
+
+enum rte_crypto_auth_algorithm auth_maptbl[] = {
+ /* Hash Algorithm */
+ [VIRTCHNL_HASH_NO_ALG] = RTE_CRYPTO_AUTH_NULL,
+ [VIRTCHNL_AES_CBC_MAC] = RTE_CRYPTO_AUTH_AES_CBC_MAC,
+ [VIRTCHNL_AES_CMAC] = RTE_CRYPTO_AUTH_AES_CMAC,
+ [VIRTCHNL_AES_GMAC] = RTE_CRYPTO_AUTH_AES_GMAC,
+ [VIRTCHNL_AES_XCBC_MAC] = RTE_CRYPTO_AUTH_AES_XCBC_MAC,
+ [VIRTCHNL_MD5_HMAC] = RTE_CRYPTO_AUTH_MD5_HMAC,
+ [VIRTCHNL_SHA1_HMAC] = RTE_CRYPTO_AUTH_SHA1_HMAC,
+ [VIRTCHNL_SHA224_HMAC] = RTE_CRYPTO_AUTH_SHA224_HMAC,
+ [VIRTCHNL_SHA256_HMAC] = RTE_CRYPTO_AUTH_SHA256_HMAC,
+ [VIRTCHNL_SHA384_HMAC] = RTE_CRYPTO_AUTH_SHA384_HMAC,
+ [VIRTCHNL_SHA512_HMAC] = RTE_CRYPTO_AUTH_SHA512_HMAC,
+ [VIRTCHNL_SHA3_224_HMAC] = RTE_CRYPTO_AUTH_SHA3_224_HMAC,
+ [VIRTCHNL_SHA3_256_HMAC] = RTE_CRYPTO_AUTH_SHA3_256_HMAC,
+ [VIRTCHNL_SHA3_384_HMAC] = RTE_CRYPTO_AUTH_SHA3_384_HMAC,
+ [VIRTCHNL_SHA3_512_HMAC] = RTE_CRYPTO_AUTH_SHA3_512_HMAC,
+};
+
+static void
+update_auth_capabilities(struct rte_cryptodev_capabilities *scap,
+ struct virtchnl_algo_cap *acap)
+{
+ struct rte_cryptodev_symmetric_capability *capability = &scap->sym;
+
+ scap->op = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
+
+ capability->xform_type = RTE_CRYPTO_SYM_XFORM_AUTH;
+
+ capability->auth.algo = auth_maptbl[acap->algo_type];
+ capability->auth.block_size = acap->block_size;
+
+ capability->auth.key_size.min = acap->min_key_size;
+ capability->auth.key_size.max = acap->max_key_size;
+ capability->auth.key_size.increment = acap->inc_key_size;
+
+ capability->auth.digest_size.min = acap->min_digest_size;
+ capability->auth.digest_size.max = acap->max_digest_size;
+ capability->auth.digest_size.increment = acap->inc_digest_size;
+}
+
+enum rte_crypto_cipher_algorithm cipher_maptbl[] = {
+ /* Cipher Algorithm */
+ [VIRTCHNL_CIPHER_NO_ALG] = RTE_CRYPTO_CIPHER_NULL,
+ [VIRTCHNL_3DES_CBC] = RTE_CRYPTO_CIPHER_3DES_CBC,
+ [VIRTCHNL_AES_CBC] = RTE_CRYPTO_CIPHER_AES_CBC,
+ [VIRTCHNL_AES_CTR] = RTE_CRYPTO_CIPHER_AES_CTR,
+};
+
+static void
+update_cipher_capabilities(struct rte_cryptodev_capabilities *scap,
+ struct virtchnl_algo_cap *acap)
+{
+ struct rte_cryptodev_symmetric_capability *capability = &scap->sym;
+
+ scap->op = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
+
+ capability->xform_type = RTE_CRYPTO_SYM_XFORM_CIPHER;
+
+ capability->cipher.algo = cipher_maptbl[acap->algo_type];
+
+ capability->cipher.block_size = acap->block_size;
+
+ capability->cipher.key_size.min = acap->min_key_size;
+ capability->cipher.key_size.max = acap->max_key_size;
+ capability->cipher.key_size.increment = acap->inc_key_size;
+
+ capability->cipher.iv_size.min = acap->min_iv_size;
+ capability->cipher.iv_size.max = acap->max_iv_size;
+ capability->cipher.iv_size.increment = acap->inc_iv_size;
+}
+
+enum rte_crypto_aead_algorithm aead_maptbl[] = {
+ /* AEAD Algorithm */
+ [VIRTCHNL_AES_CCM] = RTE_CRYPTO_AEAD_AES_CCM,
+ [VIRTCHNL_AES_GCM] = RTE_CRYPTO_AEAD_AES_GCM,
+ [VIRTCHNL_CHACHA20_POLY1305] = RTE_CRYPTO_AEAD_CHACHA20_POLY1305,
+};
+
+static void
+update_aead_capabilities(struct rte_cryptodev_capabilities *scap,
+ struct virtchnl_algo_cap *acap)
+{
+ struct rte_cryptodev_symmetric_capability *capability = &scap->sym;
+
+ scap->op = RTE_CRYPTO_OP_TYPE_SYMMETRIC;
+
+ capability->xform_type = RTE_CRYPTO_SYM_XFORM_AEAD;
+
+ capability->aead.algo = aead_maptbl[acap->algo_type];
+
+ capability->aead.block_size = acap->block_size;
+
+ capability->aead.key_size.min = acap->min_key_size;
+ capability->aead.key_size.max = acap->max_key_size;
+ capability->aead.key_size.increment = acap->inc_key_size;
+
+ capability->aead.aad_size.min = acap->min_aad_size;
+ capability->aead.aad_size.max = acap->max_aad_size;
+ capability->aead.aad_size.increment = acap->inc_aad_size;
+
+ capability->aead.iv_size.min = acap->min_iv_size;
+ capability->aead.iv_size.max = acap->max_iv_size;
+ capability->aead.iv_size.increment = acap->inc_iv_size;
+
+ capability->aead.digest_size.min = acap->min_digest_size;
+ capability->aead.digest_size.max = acap->max_digest_size;
+ capability->aead.digest_size.increment = acap->inc_digest_size;
+}
+
+/**
+ * Dynamically set crypto capabilities based on virtchannel IPsec
+ * capabilities structure.
+ */
+int
+iavf_ipsec_crypto_set_security_capabililites(struct iavf_security_ctx
+ *iavf_sctx, struct virtchnl_ipsec_cap *vch_cap)
+{
+ struct rte_cryptodev_capabilities *capabilities;
+ int i, j, number_of_capabilities = 0, ci = 0;
+
+ /* Count the total number of crypto algorithms supported */
+ for (i = 0; i < VIRTCHNL_IPSEC_MAX_CRYPTO_CAP_NUM; i++)
+ number_of_capabilities += vch_cap->cap[i].algo_cap_num;
+
+ /**
+ * Allocate cryptodev capabilities structure for
+ * *number_of_capabilities* items plus one item to null terminate the
+ * array
+ */
+ capabilities = rte_zmalloc("crypto_cap",
+ sizeof(struct rte_cryptodev_capabilities) *
+ (number_of_capabilities + 1), 0);
+ capabilities[number_of_capabilities].op = RTE_CRYPTO_OP_TYPE_UNDEFINED;
+
+ /**
+ * Iterate over each virtchl crypto capability by crypto type and
+ * algorithm.
+ */
+ for (i = 0; i < VIRTCHNL_IPSEC_MAX_CRYPTO_CAP_NUM; i++) {
+ for (j = 0; j < vch_cap->cap[i].algo_cap_num; j++, ci++) {
+ switch (vch_cap->cap[i].crypto_type) {
+ case VIRTCHNL_AUTH:
+ update_auth_capabilities(&capabilities[ci],
+ &vch_cap->cap[i].algo_cap_list[j]);
+ break;
+ case VIRTCHNL_CIPHER:
+ update_cipher_capabilities(&capabilities[ci],
+ &vch_cap->cap[i].algo_cap_list[j]);
+ break;
+ case VIRTCHNL_AEAD:
+ update_aead_capabilities(&capabilities[ci],
+ &vch_cap->cap[i].algo_cap_list[j]);
+ break;
+ default:
+ capabilities[ci].op =
+ RTE_CRYPTO_OP_TYPE_UNDEFINED;
+ break;
+ }
+ }
+ }
+
+ iavf_sctx->crypto_capabilities = capabilities;
+ return 0;
+}
+
+/**
+ * Get security capabilities for device
+ */
+static const struct rte_security_capability *
+iavf_ipsec_crypto_capabilities_get(void *device)
+{
+ struct rte_eth_dev *eth_dev = (struct rte_eth_dev *)device;
+ struct iavf_adapter *adapter =
+ IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private);
+ struct iavf_security_ctx *iavf_sctx = adapter->security_ctx;
+ unsigned int i;
+
+ static struct rte_security_capability iavf_security_capabilities[] = {
+ { /* IPsec Inline Crypto ESP Tunnel Egress */
+ .action = RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO,
+ .protocol = RTE_SECURITY_PROTOCOL_IPSEC,
+ .ipsec = {
+ .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
+ .mode = RTE_SECURITY_IPSEC_SA_MODE_TUNNEL,
+ .direction = RTE_SECURITY_IPSEC_SA_DIR_EGRESS,
+ .options = { .udp_encap = 1,
+ .stats = 1, .esn = 1 },
+ },
+ .ol_flags = RTE_SECURITY_TX_OLOAD_NEED_MDATA
+ },
+ { /* IPsec Inline Crypto ESP Tunnel Ingress */
+ .action = RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO,
+ .protocol = RTE_SECURITY_PROTOCOL_IPSEC,
+ .ipsec = {
+ .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
+ .mode = RTE_SECURITY_IPSEC_SA_MODE_TUNNEL,
+ .direction = RTE_SECURITY_IPSEC_SA_DIR_INGRESS,
+ .options = { .udp_encap = 1,
+ .stats = 1, .esn = 1 },
+ },
+ .ol_flags = 0
+ },
+ { /* IPsec Inline Crypto ESP Transport Egress */
+ .action = RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO,
+ .protocol = RTE_SECURITY_PROTOCOL_IPSEC,
+ .ipsec = {
+ .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
+ .mode = RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT,
+ .direction = RTE_SECURITY_IPSEC_SA_DIR_EGRESS,
+ .options = { .udp_encap = 1, .stats = 1,
+ .esn = 1 },
+ },
+ .ol_flags = RTE_SECURITY_TX_OLOAD_NEED_MDATA
+ },
+ { /* IPsec Inline Crypto ESP Transport Ingress */
+ .action = RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO,
+ .protocol = RTE_SECURITY_PROTOCOL_IPSEC,
+ .ipsec = {
+ .proto = RTE_SECURITY_IPSEC_SA_PROTO_ESP,
+ .mode = RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT,
+ .direction = RTE_SECURITY_IPSEC_SA_DIR_INGRESS,
+ .options = { .udp_encap = 1, .stats = 1,
+ .esn = 1 }
+ },
+ .ol_flags = 0
+ },
+ {
+ .action = RTE_SECURITY_ACTION_TYPE_NONE
+ }
+ };
+
+ /**
+ * Update the security capabilities struct with the runtime discovered
+ * crypto capabilities, except for last element of the array which is
+ * the null terminatation
+ */
+ for (i = 0; i < ((sizeof(iavf_security_capabilities) /
+ sizeof(iavf_security_capabilities[0])) - 1); i++) {
+ iavf_security_capabilities[i].crypto_capabilities =
+ iavf_sctx->crypto_capabilities;
+ }
+
+ return iavf_security_capabilities;
+}
+
+static struct rte_security_ops iavf_ipsec_crypto_ops = {
+ .session_get_size = iavf_ipsec_crypto_session_size_get,
+ .session_create = iavf_ipsec_crypto_session_create,
+ .session_update = iavf_ipsec_crypto_session_update,
+ .session_stats_get = iavf_ipsec_crypto_session_stats_get,
+ .session_destroy = iavf_ipsec_crypto_session_destroy,
+ .set_pkt_metadata = iavf_ipsec_crypto_pkt_metadata_set,
+ .get_userdata = NULL,
+ .capabilities_get = iavf_ipsec_crypto_capabilities_get,
+};
+
+int
+iavf_security_ctx_create(struct iavf_adapter *adapter)
+{
+ struct rte_security_ctx *sctx;
+
+ sctx = rte_malloc("security_ctx", sizeof(struct rte_security_ctx), 0);
+ if (sctx == NULL)
+ return -ENOMEM;
+
+ sctx->device = adapter->vf.eth_dev;
+ sctx->ops = &iavf_ipsec_crypto_ops;
+ sctx->sess_cnt = 0;
+
+ adapter->vf.eth_dev->security_ctx = sctx;
+
+ if (adapter->security_ctx == NULL) {
+ adapter->security_ctx = rte_malloc("iavf_security_ctx",
+ sizeof(struct iavf_security_ctx), 0);
+ if (adapter->security_ctx == NULL)
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+int
+iavf_security_init(struct iavf_adapter *adapter)
+{
+ struct iavf_security_ctx *iavf_sctx = adapter->security_ctx;
+ struct rte_mbuf_dynfield pkt_md_dynfield = {
+ .name = "iavf_ipsec_crypto_pkt_metadata",
+ .size = sizeof(struct iavf_ipsec_crypto_pkt_metadata),
+ .align = __alignof__(struct iavf_ipsec_crypto_pkt_metadata)
+ };
+ struct virtchnl_ipsec_cap capabilities;
+ int rc;
+
+ iavf_sctx->adapter = adapter;
+
+ iavf_sctx->pkt_md_offset = rte_mbuf_dynfield_register(&pkt_md_dynfield);
+ if (iavf_sctx->pkt_md_offset < 0)
+ return iavf_sctx->pkt_md_offset;
+
+ /* Get device capabilities from Inline IPsec driver over PF-VF comms */
+ rc = iavf_ipsec_crypto_device_capabilities_get(adapter, &capabilities);
+ if (rc)
+ return rc;
+
+ return iavf_ipsec_crypto_set_security_capabililites(iavf_sctx,
+ &capabilities);
+}
+
+int
+iavf_security_get_pkt_md_offset(struct iavf_adapter *adapter)
+{
+ struct iavf_security_ctx *iavf_sctx = adapter->security_ctx;
+
+ return iavf_sctx->pkt_md_offset;
+}
+
+int
+iavf_security_ctx_destroy(struct iavf_adapter *adapter)
+{
+ struct rte_security_ctx *sctx = adapter->vf.eth_dev->security_ctx;
+ struct iavf_security_ctx *iavf_sctx = adapter->security_ctx;
+
+ if (iavf_sctx == NULL)
+ return -ENODEV;
+
+ /* TODO: Add resources cleanup */
+
+ /* free and reset security data structures */
+ rte_free(iavf_sctx);
+ rte_free(sctx);
+
+ iavf_sctx = NULL;
+ sctx = NULL;
+
+ return 0;
+}
+
+int
+iavf_ipsec_crypto_supported(struct iavf_adapter *adapter)
+{
+ struct virtchnl_vf_resource *resources = adapter->vf.vf_res;
+
+ /** Capability check for IPsec Crypto */
+ if (resources && (resources->vf_cap_flags &
+ VIRTCHNL_VF_OFFLOAD_INLINE_IPSEC_CRYPTO))
+ return true;
+
+ return false;
+}
+
+#define IAVF_IPSEC_INSET_ESP (\
+ IAVF_INSET_ESP_SPI)
+
+#define IAVF_IPSEC_INSET_AH (\
+ IAVF_INSET_AH_SPI)
+
+#define IAVF_IPSEC_INSET_IPV4_NATT_ESP (\
+ IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
+ IAVF_INSET_ESP_SPI)
+
+#define IAVF_IPSEC_INSET_IPV6_NATT_ESP (\
+ IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
+ IAVF_INSET_ESP_SPI)
+
+enum iavf_ipsec_flow_pt_type {
+ IAVF_PATTERN_ESP = 1,
+ IAVF_PATTERN_AH,
+ IAVF_PATTERN_UDP_ESP,
+};
+enum iavf_ipsec_flow_pt_ip_ver {
+ IAVF_PATTERN_IPV4 = 1,
+ IAVF_PATTERN_IPV6,
+};
+
+#define IAVF_PATTERN(t, ipt) ((void *)((t) | ((ipt) << 4)))
+#define IAVF_PATTERN_TYPE(pt) ((pt) & 0x0F)
+#define IAVF_PATTERN_IP_V(pt) ((pt) >> 4)
+
+static struct iavf_pattern_match_item iavf_ipsec_flow_pattern[] = {
+ {iavf_pattern_eth_ipv4_esp, IAVF_IPSEC_INSET_ESP,
+ IAVF_PATTERN(IAVF_PATTERN_ESP, IAVF_PATTERN_IPV4)},
+ {iavf_pattern_eth_ipv6_esp, IAVF_IPSEC_INSET_ESP,
+ IAVF_PATTERN(IAVF_PATTERN_ESP, IAVF_PATTERN_IPV6)},
+ {iavf_pattern_eth_ipv4_ah, IAVF_IPSEC_INSET_AH,
+ IAVF_PATTERN(IAVF_PATTERN_AH, IAVF_PATTERN_IPV4)},
+ {iavf_pattern_eth_ipv6_ah, IAVF_IPSEC_INSET_AH,
+ IAVF_PATTERN(IAVF_PATTERN_AH, IAVF_PATTERN_IPV6)},
+ {iavf_pattern_eth_ipv4_udp_esp, IAVF_IPSEC_INSET_IPV4_NATT_ESP,
+ IAVF_PATTERN(IAVF_PATTERN_UDP_ESP, IAVF_PATTERN_IPV4)},
+ {iavf_pattern_eth_ipv6_udp_esp, IAVF_IPSEC_INSET_IPV6_NATT_ESP,
+ IAVF_PATTERN(IAVF_PATTERN_UDP_ESP, IAVF_PATTERN_IPV6)},
+};
+
+struct iavf_ipsec_flow_item {
+ uint64_t id;
+ uint8_t is_ipv4;
+ uint32_t spi;
+ struct rte_ether_hdr eth_hdr;
+ union {
+ struct rte_ipv4_hdr ipv4_hdr;
+ struct rte_ipv6_hdr ipv6_hdr;
+ };
+ struct rte_udp_hdr udp_hdr;
+};
+
+static void
+parse_eth_item(const struct rte_flow_item_eth *item,
+ struct rte_ether_hdr *eth)
+{
+ memcpy(eth->src_addr.addr_bytes,
+ item->src.addr_bytes, sizeof(eth->src_addr));
+ memcpy(eth->dst_addr.addr_bytes,
+ item->dst.addr_bytes, sizeof(eth->dst_addr));
+}
+
+static void
+parse_ipv4_item(const struct rte_flow_item_ipv4 *item,
+ struct rte_ipv4_hdr *ipv4)
+{
+ ipv4->src_addr = item->hdr.src_addr;
+ ipv4->dst_addr = item->hdr.dst_addr;
+}
+
+static void
+parse_ipv6_item(const struct rte_flow_item_ipv6 *item,
+ struct rte_ipv6_hdr *ipv6)
+{
+ memcpy(ipv6->src_addr, item->hdr.src_addr, 16);
+ memcpy(ipv6->dst_addr, item->hdr.dst_addr, 16);
+}
+
+static void
+parse_udp_item(const struct rte_flow_item_udp *item, struct rte_udp_hdr *udp)
+{
+ udp->dst_port = item->hdr.dst_port;
+ udp->src_port = item->hdr.src_port;
+}
+
+static int
+has_security_action(const struct rte_flow_action actions[],
+ const void **session)
+{
+ /* only {SECURITY; END} supported */
+ if (actions[0].type == RTE_FLOW_ACTION_TYPE_SECURITY &&
+ actions[1].type == RTE_FLOW_ACTION_TYPE_END) {
+ *session = actions[0].conf;
+ return true;
+ }
+ return false;
+}
+
+static struct iavf_ipsec_flow_item *
+iavf_ipsec_flow_item_parse(struct rte_eth_dev *ethdev,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ uint32_t type)
+{
+ const void *session;
+ struct iavf_ipsec_flow_item
+ *ipsec_flow = rte_malloc("security-flow-rule",
+ sizeof(struct iavf_ipsec_flow_item), 0);
+ enum iavf_ipsec_flow_pt_type p_type = IAVF_PATTERN_TYPE(type);
+ enum iavf_ipsec_flow_pt_ip_ver p_ip_type = IAVF_PATTERN_IP_V(type);
+
+ if (ipsec_flow == NULL)
+ return NULL;
+
+ ipsec_flow->is_ipv4 = (p_ip_type == IAVF_PATTERN_IPV4);
+
+ if (pattern[0].spec)
+ parse_eth_item((const struct rte_flow_item_eth *)
+ pattern[0].spec, &ipsec_flow->eth_hdr);
+
+ switch (p_type) {
+ case IAVF_PATTERN_ESP:
+ if (ipsec_flow->is_ipv4) {
+ parse_ipv4_item((const struct rte_flow_item_ipv4 *)
+ pattern[1].spec,
+ &ipsec_flow->ipv4_hdr);
+ } else {
+ parse_ipv6_item((const struct rte_flow_item_ipv6 *)
+ pattern[1].spec,
+ &ipsec_flow->ipv6_hdr);
+ }
+ ipsec_flow->spi =
+ ((const struct rte_flow_item_esp *)
+ pattern[2].spec)->hdr.spi;
+ break;
+ case IAVF_PATTERN_AH:
+ if (ipsec_flow->is_ipv4) {
+ parse_ipv4_item((const struct rte_flow_item_ipv4 *)
+ pattern[1].spec,
+ &ipsec_flow->ipv4_hdr);
+ } else {
+ parse_ipv6_item((const struct rte_flow_item_ipv6 *)
+ pattern[1].spec,
+ &ipsec_flow->ipv6_hdr);
+ }
+ ipsec_flow->spi =
+ ((const struct rte_flow_item_ah *)
+ pattern[2].spec)->spi;
+ break;
+ case IAVF_PATTERN_UDP_ESP:
+ if (ipsec_flow->is_ipv4) {
+ parse_ipv4_item((const struct rte_flow_item_ipv4 *)
+ pattern[1].spec,
+ &ipsec_flow->ipv4_hdr);
+ } else {
+ parse_ipv6_item((const struct rte_flow_item_ipv6 *)
+ pattern[1].spec,
+ &ipsec_flow->ipv6_hdr);
+ }
+ parse_udp_item((const struct rte_flow_item_udp *)
+ pattern[2].spec,
+ &ipsec_flow->udp_hdr);
+ ipsec_flow->spi =
+ ((const struct rte_flow_item_esp *)
+ pattern[3].spec)->hdr.spi;
+ break;
+ default:
+ goto flow_cleanup;
+ }
+
+ if (!has_security_action(actions, &session))
+ goto flow_cleanup;
+
+ if (!iavf_ipsec_crypto_action_valid(ethdev, session,
+ ipsec_flow->spi))
+ goto flow_cleanup;
+
+ return ipsec_flow;
+
+flow_cleanup:
+ rte_free(ipsec_flow);
+ return NULL;
+}
+
+
+static struct iavf_flow_parser iavf_ipsec_flow_parser;
+
+static int
+iavf_ipsec_flow_init(struct iavf_adapter *ad)
+{
+ struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
+ struct iavf_flow_parser *parser;
+
+ if (!vf->vf_res)
+ return -EINVAL;
+
+ if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_INLINE_IPSEC_CRYPTO)
+ parser = &iavf_ipsec_flow_parser;
+ else
+ return -ENOTSUP;
+
+ return iavf_register_parser(parser, ad);
+}
+
+static void
+iavf_ipsec_flow_uninit(struct iavf_adapter *ad)
+{
+ iavf_unregister_parser(&iavf_ipsec_flow_parser, ad);
+}
+
+static int
+iavf_ipsec_flow_create(struct iavf_adapter *ad,
+ struct rte_flow *flow,
+ void *meta,
+ struct rte_flow_error *error)
+{
+ struct iavf_ipsec_flow_item *ipsec_flow = meta;
+ if (!ipsec_flow) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "NULL rule.");
+ return -rte_errno;
+ }
+
+ if (ipsec_flow->is_ipv4) {
+ ipsec_flow->id =
+ iavf_ipsec_crypto_inbound_security_policy_add(ad,
+ ipsec_flow->spi,
+ 1,
+ ipsec_flow->ipv4_hdr.dst_addr,
+ NULL,
+ 0);
+ } else {
+ ipsec_flow->id =
+ iavf_ipsec_crypto_inbound_security_policy_add(ad,
+ ipsec_flow->spi,
+ 0,
+ 0,
+ ipsec_flow->ipv6_hdr.dst_addr,
+ 0);
+ }
+
+ if (ipsec_flow->id < 1) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_UNSPECIFIED, NULL,
+ "Failed to add SA.");
+ return -rte_errno;
+ }
+
+ flow->rule = ipsec_flow;
+
+ return 0;
+}
+
+static int
+iavf_ipsec_flow_destroy(struct iavf_adapter *ad,
+ struct rte_flow *flow,
+ struct rte_flow_error *error)
+{
+ struct iavf_ipsec_flow_item *ipsec_flow = flow->rule;
+ if (!ipsec_flow) {
+ rte_flow_error_set(error, EINVAL,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "NULL rule.");
+ return -rte_errno;
+ }
+
+ iavf_ipsec_crypto_security_policy_delete(ad,
+ ipsec_flow->is_ipv4, ipsec_flow->id);
+ rte_free(ipsec_flow);
+ return 0;
+}
+
+static struct iavf_flow_engine iavf_ipsec_flow_engine = {
+ .init = iavf_ipsec_flow_init,
+ .uninit = iavf_ipsec_flow_uninit,
+ .create = iavf_ipsec_flow_create,
+ .destroy = iavf_ipsec_flow_destroy,
+ .type = IAVF_FLOW_ENGINE_IPSEC_CRYPTO,
+};
+
+static int
+iavf_ipsec_flow_parse(struct iavf_adapter *ad,
+ struct iavf_pattern_match_item *array,
+ uint32_t array_len,
+ const struct rte_flow_item pattern[],
+ const struct rte_flow_action actions[],
+ void **meta,
+ struct rte_flow_error *error)
+{
+ struct iavf_pattern_match_item *item = NULL;
+ int ret = -1;
+
+ item = iavf_search_pattern_match_item(pattern, array, array_len, error);
+ if (item && item->meta) {
+ uint32_t type = (uint64_t)(item->meta);
+ struct iavf_ipsec_flow_item *fi =
+ iavf_ipsec_flow_item_parse(ad->vf.eth_dev,
+ pattern, actions, type);
+ if (fi && meta) {
+ *meta = fi;
+ ret = 0;
+ }
+ }
+ return ret;
+}
+
+static struct iavf_flow_parser iavf_ipsec_flow_parser = {
+ .engine = &iavf_ipsec_flow_engine,
+ .array = iavf_ipsec_flow_pattern,
+ .array_len = RTE_DIM(iavf_ipsec_flow_pattern),
+ .parse_pattern_action = iavf_ipsec_flow_parse,
+ .stage = IAVF_FLOW_STAGE_IPSEC_CRYPTO,
+};
+
+RTE_INIT(iavf_ipsec_flow_engine_register)
+{
+ iavf_register_flow_engine(&iavf_ipsec_flow_engine);
+}