From 0a23d4b6f4c25f64c663fba768df05b291a527e6 Mon Sep 17 00:00:00 2001 From: Akhil Goyal Date: Wed, 25 Oct 2017 20:37:26 +0530 Subject: [PATCH] crypto/dpaa2_sec: support protocol offload IPsec Driver implementation to support rte_security APIs Signed-off-by: Akhil Goyal --- doc/guides/cryptodevs/features/dpaa2_sec.ini | 1 + drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c | 422 ++++++++++++++++++- drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h | 62 +++ 3 files changed, 474 insertions(+), 11 deletions(-) diff --git a/doc/guides/cryptodevs/features/dpaa2_sec.ini b/doc/guides/cryptodevs/features/dpaa2_sec.ini index c3bb3ddc7f..8fd07d6a7e 100644 --- a/doc/guides/cryptodevs/features/dpaa2_sec.ini +++ b/doc/guides/cryptodevs/features/dpaa2_sec.ini @@ -7,6 +7,7 @@ Symmetric crypto = Y Sym operation chaining = Y HW Accelerated = Y +Protocol offload = Y ; ; Supported crypto algorithms of the 'dpaa2_sec' crypto driver. diff --git a/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c b/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c index dd19b9b22a..e4118f8e74 100644 --- a/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c +++ b/drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c @@ -36,6 +36,7 @@ #include #include +#include #include #include #include @@ -73,11 +74,43 @@ #define FLE_POOL_NUM_BUFS 32000 #define FLE_POOL_BUF_SIZE 256 #define FLE_POOL_CACHE_SIZE 512 +#define SEC_FLC_DHR_OUTBOUND -114 +#define SEC_FLC_DHR_INBOUND 0 enum rta_sec_era rta_sec_era = RTA_SEC_ERA_8; static uint8_t cryptodev_driver_id; +static inline int +build_proto_fd(dpaa2_sec_session *sess, + struct rte_crypto_op *op, + struct qbman_fd *fd, uint16_t bpid) +{ + struct rte_crypto_sym_op *sym_op = op->sym; + struct ctxt_priv *priv = sess->ctxt; + struct sec_flow_context *flc; + struct rte_mbuf *mbuf = sym_op->m_src; + + if (likely(bpid < MAX_BPID)) + DPAA2_SET_FD_BPID(fd, bpid); + else + DPAA2_SET_FD_IVP(fd); + + /* Save the shared descriptor */ + flc = &priv->flc_desc[0].flc; + + DPAA2_SET_FD_ADDR(fd, DPAA2_MBUF_VADDR_TO_IOVA(sym_op->m_src)); + DPAA2_SET_FD_OFFSET(fd, sym_op->m_src->data_off); + DPAA2_SET_FD_LEN(fd, sym_op->m_src->pkt_len); + DPAA2_SET_FD_FLC(fd, ((uint64_t)flc)); + + /* save physical address of mbuf */ + op->sym->aead.digest.phys_addr = mbuf->buf_physaddr; + mbuf->buf_physaddr = (uint64_t)op; + + return 0; +} + static inline int build_authenc_gcm_fd(dpaa2_sec_session *sess, struct rte_crypto_op *op, @@ -560,10 +593,11 @@ build_cipher_fd(dpaa2_sec_session *sess, struct rte_crypto_op *op, } static inline int -build_sec_fd(dpaa2_sec_session *sess, struct rte_crypto_op *op, +build_sec_fd(struct rte_crypto_op *op, struct qbman_fd *fd, uint16_t bpid) { int ret = -1; + dpaa2_sec_session *sess; PMD_INIT_FUNC_TRACE(); /* @@ -573,6 +607,16 @@ build_sec_fd(dpaa2_sec_session *sess, struct rte_crypto_op *op, op->status = RTE_CRYPTO_OP_STATUS_ERROR; return -ENOTSUP; } + + if (op->sess_type == RTE_CRYPTO_OP_WITH_SESSION) + sess = (dpaa2_sec_session *)get_session_private_data( + op->sym->session, cryptodev_driver_id); + else if (op->sess_type == RTE_CRYPTO_OP_SECURITY_SESSION) + sess = (dpaa2_sec_session *)get_sec_session_private_data( + op->sym->sec_session); + else + return -1; + switch (sess->ctxt_type) { case DPAA2_SEC_CIPHER: ret = build_cipher_fd(sess, op, fd, bpid); @@ -586,6 +630,9 @@ build_sec_fd(dpaa2_sec_session *sess, struct rte_crypto_op *op, case DPAA2_SEC_CIPHER_HASH: ret = build_authenc_fd(sess, op, fd, bpid); break; + case DPAA2_SEC_IPSEC: + ret = build_proto_fd(sess, op, fd, bpid); + break; case DPAA2_SEC_HASH_CIPHER: default: RTE_LOG(ERR, PMD, "error: Unsupported session\n"); @@ -609,12 +656,11 @@ dpaa2_sec_enqueue_burst(void *qp, struct rte_crypto_op **ops, /*todo - need to support multiple buffer pools */ uint16_t bpid; struct rte_mempool *mb_pool; - dpaa2_sec_session *sess; if (unlikely(nb_ops == 0)) return 0; - if (ops[0]->sess_type != RTE_CRYPTO_OP_WITH_SESSION) { + if (ops[0]->sess_type == RTE_CRYPTO_OP_SESSIONLESS) { RTE_LOG(ERR, PMD, "sessionless crypto op not supported\n"); return 0; } @@ -639,13 +685,9 @@ dpaa2_sec_enqueue_burst(void *qp, struct rte_crypto_op **ops, for (loop = 0; loop < frames_to_send; loop++) { /*Clear the unused FD fields before sending*/ memset(&fd_arr[loop], 0, sizeof(struct qbman_fd)); - sess = (dpaa2_sec_session *) - get_session_private_data( - (*ops)->sym->session, - cryptodev_driver_id); mb_pool = (*ops)->sym->m_src->pool; bpid = mempool_to_bpid(mb_pool); - ret = build_sec_fd(sess, *ops, &fd_arr[loop], bpid); + ret = build_sec_fd(*ops, &fd_arr[loop], bpid); if (ret) { PMD_DRV_LOG(ERR, "error: Improper packet" " contents for crypto operation\n"); @@ -670,13 +712,45 @@ skip_tx: } static inline struct rte_crypto_op * -sec_fd_to_mbuf(const struct qbman_fd *fd) +sec_simple_fd_to_mbuf(const struct qbman_fd *fd, __rte_unused uint8_t id) +{ + struct rte_crypto_op *op; + uint16_t len = DPAA2_GET_FD_LEN(fd); + uint16_t diff = 0; + dpaa2_sec_session *sess_priv; + + struct rte_mbuf *mbuf = DPAA2_INLINE_MBUF_FROM_BUF( + DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd)), + rte_dpaa2_bpid_info[DPAA2_GET_FD_BPID(fd)].meta_data_size); + + op = (struct rte_crypto_op *)mbuf->buf_physaddr; + mbuf->buf_physaddr = op->sym->aead.digest.phys_addr; + op->sym->aead.digest.phys_addr = 0L; + + sess_priv = (dpaa2_sec_session *)get_sec_session_private_data( + op->sym->sec_session); + if (sess_priv->dir == DIR_ENC) + mbuf->data_off += SEC_FLC_DHR_OUTBOUND; + else + mbuf->data_off += SEC_FLC_DHR_INBOUND; + diff = len - mbuf->pkt_len; + mbuf->pkt_len += diff; + mbuf->data_len += diff; + + return op; +} + +static inline struct rte_crypto_op * +sec_fd_to_mbuf(const struct qbman_fd *fd, uint8_t driver_id) { struct qbman_fle *fle; struct rte_crypto_op *op; struct ctxt_priv *priv; struct rte_mbuf *dst, *src; + if (DPAA2_FD_GET_FORMAT(fd) == qbman_fd_single) + return sec_simple_fd_to_mbuf(fd, driver_id); + fle = (struct qbman_fle *)DPAA2_IOVA_TO_VADDR(DPAA2_GET_FD_ADDR(fd)); PMD_RX_LOG(DEBUG, "FLE addr = %x - %x, offset = %x", @@ -730,6 +804,8 @@ dpaa2_sec_dequeue_burst(void *qp, struct rte_crypto_op **ops, { /* Function is responsible to receive frames for a given device and VQ*/ struct dpaa2_sec_qp *dpaa2_qp = (struct dpaa2_sec_qp *)qp; + struct rte_cryptodev *dev = + (struct rte_cryptodev *)(dpaa2_qp->rx_vq.dev); struct qbman_result *dq_storage; uint32_t fqid = dpaa2_qp->rx_vq.fqid; int ret, num_rx = 0; @@ -799,7 +875,7 @@ dpaa2_sec_dequeue_burst(void *qp, struct rte_crypto_op **ops, } fd = qbman_result_DQ_fd(dq_storage); - ops[num_rx] = sec_fd_to_mbuf(fd); + ops[num_rx] = sec_fd_to_mbuf(fd, dev->driver_id); if (unlikely(fd->simple.frc)) { /* TODO Parse SEC errors */ @@ -1575,6 +1651,300 @@ dpaa2_sec_set_session_parameters(struct rte_cryptodev *dev, return 0; } +static int +dpaa2_sec_set_ipsec_session(struct rte_cryptodev *dev, + struct rte_security_session_conf *conf, + void *sess) +{ + struct rte_security_ipsec_xform *ipsec_xform = &conf->ipsec; + struct rte_crypto_auth_xform *auth_xform; + struct rte_crypto_cipher_xform *cipher_xform; + dpaa2_sec_session *session = (dpaa2_sec_session *)sess; + struct ctxt_priv *priv; + struct ipsec_encap_pdb encap_pdb; + struct ipsec_decap_pdb decap_pdb; + struct alginfo authdata, cipherdata; + unsigned int bufsize; + struct sec_flow_context *flc; + + PMD_INIT_FUNC_TRACE(); + + if (ipsec_xform->direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS) { + cipher_xform = &conf->crypto_xform->cipher; + auth_xform = &conf->crypto_xform->next->auth; + } else { + auth_xform = &conf->crypto_xform->auth; + cipher_xform = &conf->crypto_xform->next->cipher; + } + priv = (struct ctxt_priv *)rte_zmalloc(NULL, + sizeof(struct ctxt_priv) + + sizeof(struct sec_flc_desc), + RTE_CACHE_LINE_SIZE); + + if (priv == NULL) { + RTE_LOG(ERR, PMD, "\nNo memory for priv CTXT"); + return -ENOMEM; + } + + flc = &priv->flc_desc[0].flc; + + session->ctxt_type = DPAA2_SEC_IPSEC; + session->cipher_key.data = rte_zmalloc(NULL, + cipher_xform->key.length, + RTE_CACHE_LINE_SIZE); + if (session->cipher_key.data == NULL && + cipher_xform->key.length > 0) { + RTE_LOG(ERR, PMD, "No Memory for cipher key\n"); + rte_free(priv); + return -ENOMEM; + } + + session->cipher_key.length = cipher_xform->key.length; + session->auth_key.data = rte_zmalloc(NULL, + auth_xform->key.length, + RTE_CACHE_LINE_SIZE); + if (session->auth_key.data == NULL && + auth_xform->key.length > 0) { + RTE_LOG(ERR, PMD, "No Memory for auth key\n"); + rte_free(session->cipher_key.data); + rte_free(priv); + return -ENOMEM; + } + session->auth_key.length = auth_xform->key.length; + memcpy(session->cipher_key.data, cipher_xform->key.data, + cipher_xform->key.length); + memcpy(session->auth_key.data, auth_xform->key.data, + auth_xform->key.length); + + authdata.key = (uint64_t)session->auth_key.data; + authdata.keylen = session->auth_key.length; + authdata.key_enc_flags = 0; + authdata.key_type = RTA_DATA_IMM; + switch (auth_xform->algo) { + case RTE_CRYPTO_AUTH_SHA1_HMAC: + authdata.algtype = OP_PCL_IPSEC_HMAC_SHA1_96; + authdata.algmode = OP_ALG_AAI_HMAC; + session->auth_alg = RTE_CRYPTO_AUTH_SHA1_HMAC; + break; + case RTE_CRYPTO_AUTH_MD5_HMAC: + authdata.algtype = OP_PCL_IPSEC_HMAC_MD5_96; + authdata.algmode = OP_ALG_AAI_HMAC; + session->auth_alg = RTE_CRYPTO_AUTH_MD5_HMAC; + break; + case RTE_CRYPTO_AUTH_SHA256_HMAC: + authdata.algtype = OP_PCL_IPSEC_HMAC_SHA2_256_128; + authdata.algmode = OP_ALG_AAI_HMAC; + session->auth_alg = RTE_CRYPTO_AUTH_SHA256_HMAC; + break; + case RTE_CRYPTO_AUTH_SHA384_HMAC: + authdata.algtype = OP_PCL_IPSEC_HMAC_SHA2_384_192; + authdata.algmode = OP_ALG_AAI_HMAC; + session->auth_alg = RTE_CRYPTO_AUTH_SHA384_HMAC; + break; + case RTE_CRYPTO_AUTH_SHA512_HMAC: + authdata.algtype = OP_PCL_IPSEC_HMAC_SHA2_512_256; + authdata.algmode = OP_ALG_AAI_HMAC; + session->auth_alg = RTE_CRYPTO_AUTH_SHA512_HMAC; + break; + case RTE_CRYPTO_AUTH_AES_CMAC: + authdata.algtype = OP_PCL_IPSEC_AES_CMAC_96; + session->auth_alg = RTE_CRYPTO_AUTH_AES_CMAC; + break; + case RTE_CRYPTO_AUTH_NULL: + authdata.algtype = OP_PCL_IPSEC_HMAC_NULL; + session->auth_alg = RTE_CRYPTO_AUTH_NULL; + break; + case RTE_CRYPTO_AUTH_SHA224_HMAC: + case RTE_CRYPTO_AUTH_AES_XCBC_MAC: + case RTE_CRYPTO_AUTH_SNOW3G_UIA2: + case RTE_CRYPTO_AUTH_SHA1: + case RTE_CRYPTO_AUTH_SHA256: + case RTE_CRYPTO_AUTH_SHA512: + case RTE_CRYPTO_AUTH_SHA224: + case RTE_CRYPTO_AUTH_SHA384: + case RTE_CRYPTO_AUTH_MD5: + case RTE_CRYPTO_AUTH_AES_GMAC: + case RTE_CRYPTO_AUTH_KASUMI_F9: + case RTE_CRYPTO_AUTH_AES_CBC_MAC: + case RTE_CRYPTO_AUTH_ZUC_EIA3: + RTE_LOG(ERR, PMD, "Crypto: Unsupported auth alg %u\n", + auth_xform->algo); + goto out; + default: + RTE_LOG(ERR, PMD, "Crypto: Undefined Auth specified %u\n", + auth_xform->algo); + goto out; + } + cipherdata.key = (uint64_t)session->cipher_key.data; + cipherdata.keylen = session->cipher_key.length; + cipherdata.key_enc_flags = 0; + cipherdata.key_type = RTA_DATA_IMM; + + switch (cipher_xform->algo) { + case RTE_CRYPTO_CIPHER_AES_CBC: + cipherdata.algtype = OP_PCL_IPSEC_AES_CBC; + cipherdata.algmode = OP_ALG_AAI_CBC; + session->cipher_alg = RTE_CRYPTO_CIPHER_AES_CBC; + break; + case RTE_CRYPTO_CIPHER_3DES_CBC: + cipherdata.algtype = OP_PCL_IPSEC_3DES; + cipherdata.algmode = OP_ALG_AAI_CBC; + session->cipher_alg = RTE_CRYPTO_CIPHER_3DES_CBC; + break; + case RTE_CRYPTO_CIPHER_AES_CTR: + cipherdata.algtype = OP_PCL_IPSEC_AES_CTR; + cipherdata.algmode = OP_ALG_AAI_CTR; + session->cipher_alg = RTE_CRYPTO_CIPHER_AES_CTR; + break; + case RTE_CRYPTO_CIPHER_NULL: + cipherdata.algtype = OP_PCL_IPSEC_NULL; + break; + case RTE_CRYPTO_CIPHER_SNOW3G_UEA2: + case RTE_CRYPTO_CIPHER_3DES_ECB: + case RTE_CRYPTO_CIPHER_AES_ECB: + case RTE_CRYPTO_CIPHER_KASUMI_F8: + RTE_LOG(ERR, PMD, "Crypto: Unsupported Cipher alg %u\n", + cipher_xform->algo); + goto out; + default: + RTE_LOG(ERR, PMD, "Crypto: Undefined Cipher specified %u\n", + cipher_xform->algo); + goto out; + } + + if (ipsec_xform->direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS) { + struct ip ip4_hdr; + + flc->dhr = SEC_FLC_DHR_OUTBOUND; + ip4_hdr.ip_v = IPVERSION; + ip4_hdr.ip_hl = 5; + ip4_hdr.ip_len = rte_cpu_to_be_16(sizeof(ip4_hdr)); + ip4_hdr.ip_tos = ipsec_xform->tunnel.ipv4.dscp; + ip4_hdr.ip_id = 0; + ip4_hdr.ip_off = 0; + ip4_hdr.ip_ttl = ipsec_xform->tunnel.ipv4.ttl; + ip4_hdr.ip_p = 0x32; + ip4_hdr.ip_sum = 0; + ip4_hdr.ip_src = ipsec_xform->tunnel.ipv4.src_ip; + ip4_hdr.ip_dst = ipsec_xform->tunnel.ipv4.dst_ip; + ip4_hdr.ip_sum = calc_chksum((uint16_t *)(void *)&ip4_hdr, + sizeof(struct ip)); + + /* For Sec Proto only one descriptor is required. */ + memset(&encap_pdb, 0, sizeof(struct ipsec_encap_pdb)); + encap_pdb.options = (IPVERSION << PDBNH_ESP_ENCAP_SHIFT) | + PDBOPTS_ESP_OIHI_PDB_INL | + PDBOPTS_ESP_IVSRC | + PDBHMO_ESP_ENCAP_DTTL; + encap_pdb.spi = ipsec_xform->spi; + encap_pdb.ip_hdr_len = sizeof(struct ip); + + session->dir = DIR_ENC; + bufsize = cnstr_shdsc_ipsec_new_encap(priv->flc_desc[0].desc, + 1, 0, &encap_pdb, + (uint8_t *)&ip4_hdr, + &cipherdata, &authdata); + } else if (ipsec_xform->direction == + RTE_SECURITY_IPSEC_SA_DIR_INGRESS) { + flc->dhr = SEC_FLC_DHR_INBOUND; + memset(&decap_pdb, 0, sizeof(struct ipsec_decap_pdb)); + decap_pdb.options = sizeof(struct ip) << 16; + session->dir = DIR_DEC; + bufsize = cnstr_shdsc_ipsec_new_decap(priv->flc_desc[0].desc, + 1, 0, &decap_pdb, &cipherdata, &authdata); + } else + goto out; + flc->word1_sdl = (uint8_t)bufsize; + + /* Enable the stashing control bit */ + DPAA2_SET_FLC_RSC(flc); + flc->word2_rflc_31_0 = lower_32_bits( + (uint64_t)&(((struct dpaa2_sec_qp *) + dev->data->queue_pairs[0])->rx_vq) | 0x14); + flc->word3_rflc_63_32 = upper_32_bits( + (uint64_t)&(((struct dpaa2_sec_qp *) + dev->data->queue_pairs[0])->rx_vq)); + + /* Set EWS bit i.e. enable write-safe */ + DPAA2_SET_FLC_EWS(flc); + /* Set BS = 1 i.e reuse input buffers as output buffers */ + DPAA2_SET_FLC_REUSE_BS(flc); + /* Set FF = 10; reuse input buffers if they provide sufficient space */ + DPAA2_SET_FLC_REUSE_FF(flc); + + session->ctxt = priv; + + return 0; +out: + rte_free(session->auth_key.data); + rte_free(session->cipher_key.data); + rte_free(priv); + return -1; +} + +static int +dpaa2_sec_security_session_create(void *dev, + struct rte_security_session_conf *conf, + struct rte_security_session *sess, + struct rte_mempool *mempool) +{ + void *sess_private_data; + struct rte_cryptodev *cdev = (struct rte_cryptodev *)dev; + int ret; + + if (rte_mempool_get(mempool, &sess_private_data)) { + CDEV_LOG_ERR( + "Couldn't get object from session mempool"); + return -ENOMEM; + } + + switch (conf->protocol) { + case RTE_SECURITY_PROTOCOL_IPSEC: + ret = dpaa2_sec_set_ipsec_session(cdev, conf, + sess_private_data); + break; + case RTE_SECURITY_PROTOCOL_MACSEC: + return -ENOTSUP; + default: + return -EINVAL; + } + if (ret != 0) { + PMD_DRV_LOG(ERR, + "DPAA2 PMD: failed to configure session parameters"); + + /* Return session to mempool */ + rte_mempool_put(mempool, sess_private_data); + return ret; + } + + set_sec_session_private_data(sess, sess_private_data); + + return ret; +} + +/** Clear the memory of session so it doesn't leave key material behind */ +static int +dpaa2_sec_security_session_destroy(void *dev __rte_unused, + struct rte_security_session *sess) +{ + PMD_INIT_FUNC_TRACE(); + void *sess_priv = get_sec_session_private_data(sess); + + dpaa2_sec_session *s = (dpaa2_sec_session *)sess_priv; + + if (sess_priv) { + struct rte_mempool *sess_mp = rte_mempool_from_obj(sess_priv); + + rte_free(s->ctxt); + rte_free(s->cipher_key.data); + rte_free(s->auth_key.data); + memset(sess, 0, sizeof(dpaa2_sec_session)); + set_sec_session_private_data(sess, NULL); + rte_mempool_put(sess_mp, sess_priv); + } + return 0; +} + static int dpaa2_sec_session_configure(struct rte_cryptodev *dev, struct rte_crypto_sym_xform *xform, @@ -1849,11 +2219,28 @@ static struct rte_cryptodev_ops crypto_ops = { .session_clear = dpaa2_sec_session_clear, }; +static const struct rte_security_capability * +dpaa2_sec_capabilities_get(void *device __rte_unused) +{ + return dpaa2_sec_security_cap; +} + +struct rte_security_ops dpaa2_sec_security_ops = { + .session_create = dpaa2_sec_security_session_create, + .session_update = NULL, + .session_stats_get = NULL, + .session_destroy = dpaa2_sec_security_session_destroy, + .set_pkt_metadata = NULL, + .capabilities_get = dpaa2_sec_capabilities_get +}; + static int dpaa2_sec_uninit(const struct rte_cryptodev *dev) { struct dpaa2_sec_dev_private *internals = dev->data->dev_private; + rte_free(dev->security_ctx); + rte_mempool_free(internals->fle_pool); PMD_INIT_LOG(INFO, "Closing DPAA2_SEC device %s on numa socket %u\n", @@ -1868,6 +2255,7 @@ dpaa2_sec_dev_init(struct rte_cryptodev *cryptodev) struct dpaa2_sec_dev_private *internals; struct rte_device *dev = cryptodev->device; struct rte_dpaa2_device *dpaa2_dev; + struct rte_security_ctx *security_instance; struct fsl_mc_io *dpseci; uint16_t token; struct dpseci_attr attr; @@ -1889,7 +2277,8 @@ dpaa2_sec_dev_init(struct rte_cryptodev *cryptodev) cryptodev->dequeue_burst = dpaa2_sec_dequeue_burst; cryptodev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO | RTE_CRYPTODEV_FF_HW_ACCELERATED | - RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING; + RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING | + RTE_CRYPTODEV_FF_SECURITY; internals = cryptodev->data->dev_private; internals->max_nb_sessions = RTE_DPAA2_SEC_PMD_MAX_NB_SESSIONS; @@ -1903,6 +2292,17 @@ dpaa2_sec_dev_init(struct rte_cryptodev *cryptodev) PMD_INIT_LOG(DEBUG, "Device already init by primary process"); return 0; } + + /* Initialize security_ctx only for primary process*/ + security_instance = rte_malloc("rte_security_instances_ops", + sizeof(struct rte_security_ctx), 0); + if (security_instance == NULL) + return -ENOMEM; + security_instance->device = (void *)cryptodev; + security_instance->ops = &dpaa2_sec_security_ops; + security_instance->sess_cnt = 0; + cryptodev->security_ctx = security_instance; + /*Open the rte device via MC and save the handle for further use*/ dpseci = (struct fsl_mc_io *)rte_calloc(NULL, 1, sizeof(struct fsl_mc_io), 0); diff --git a/drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h b/drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h index 3849a0524c..14e71df5d5 100644 --- a/drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h +++ b/drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h @@ -67,6 +67,11 @@ enum shr_desc_type { #define DIR_ENC 1 #define DIR_DEC 0 +#define DPAA2_SET_FLC_EWS(flc) (flc->word1_bits23_16 |= 0x1) +#define DPAA2_SET_FLC_RSC(flc) (flc->word1_bits31_24 |= 0x1) +#define DPAA2_SET_FLC_REUSE_BS(flc) (flc->mode_bits |= 0x8000) +#define DPAA2_SET_FLC_REUSE_FF(flc) (flc->mode_bits |= 0x2000) + /* SEC Flow Context Descriptor */ struct sec_flow_context { /* word 0 */ @@ -411,4 +416,61 @@ static const struct rte_cryptodev_capabilities dpaa2_sec_capabilities[] = { RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST() }; + +static const struct rte_security_capability dpaa2_sec_security_cap[] = { + { /* IPsec Lookaside Protocol offload ESP Transport Egress */ + .action = RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL, + .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 = { 0 } + }, + .crypto_capabilities = dpaa2_sec_capabilities + }, + { /* IPsec Lookaside Protocol offload ESP Tunnel Ingress */ + .action = RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL, + .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 = { 0 } + }, + .crypto_capabilities = dpaa2_sec_capabilities + }, + { + .action = RTE_SECURITY_ACTION_TYPE_NONE + } +}; + +/** + * Checksum + * + * @param buffer calculate chksum for buffer + * @param len buffer length + * + * @return checksum value in host cpu order + */ +static inline uint16_t +calc_chksum(void *buffer, int len) +{ + uint16_t *buf = (uint16_t *)buffer; + uint32_t sum = 0; + uint16_t result; + + for (sum = 0; len > 1; len -= 2) + sum += *buf++; + + if (len == 1) + sum += *(unsigned char *)buf; + + sum = (sum >> 16) + (sum & 0xFFFF); + sum += (sum >> 16); + result = ~sum; + + return result; +} + #endif /* _RTE_DPAA2_SEC_PMD_PRIVATE_H_ */ -- 2.20.1