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crypto/dpaa2_sec: support protocol offload IPsec

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Driver implementation to support rte_security APIs

Signed-off-by: Akhil Goyal <akhil.goyal@nxp.com>
This commit is contained in:
Akhil Goyal 2017-10-25 20:37:26 +05:30 committed by Thomas Monjalon
parent 9a0752f498
commit 0a23d4b6f4
3 changed files with 474 additions and 11 deletions
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1
doc/guides/cryptodevs/features/dpaa2_sec.ini
View File

@ -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.

422
drivers/crypto/dpaa2_sec/dpaa2_sec_dpseci.c
View File

@ -36,6 +36,7 @@
#include <rte_mbuf.h>
#include <rte_cryptodev.h>
#include <rte_security_driver.h>
#include <rte_malloc.h>
#include <rte_memcpy.h>
#include <rte_string_fns.h>
@ -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 @@ dpaa2_sec_enqueue_burst(void *qp, struct rte_crypto_op **ops,
}
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);

62
drivers/crypto/dpaa2_sec/dpaa2_sec_priv.h
View File

@ -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_ */