crypto/cnxk: add security session operations

Add security session ops in cn10k crypto PMD
to support lookaside protocol offload IPsec.

Signed-off-by: Anoob Joseph <anoobj@marvell.com>
Signed-off-by: Archana Muniganti <marchana@marvell.com>
Signed-off-by: Srujana Challa <schalla@marvell.com>
Signed-off-by: Tejasree Kondoj <ktejasree@marvell.com>
Acked-by: Akhil Goyal <gakhil@marvell.com>
This commit is contained in:
Tejasree Kondoj 2021-06-29 13:04:30 +05:30 committed by Akhil Goyal
parent 4c023b6ebc
commit bcd59ec6f4
5 changed files with 336 additions and 0 deletions

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@ -12,6 +12,7 @@
#include "cn10k_cryptodev.h"
#include "cn10k_cryptodev_ops.h"
#include "cn10k_ipsec.h"
#include "cnxk_cryptodev.h"
#include "cnxk_cryptodev_capabilities.h"
#include "cnxk_cryptodev_sec.h"
@ -101,6 +102,7 @@ cn10k_cpt_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED;
cn10k_cpt_set_enqdeq_fns(dev);
cn10k_sec_ops_override();
return 0;

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@ -0,0 +1,275 @@
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(C) 2021 Marvell.
*/
#include <rte_malloc.h>
#include <rte_cryptodev.h>
#include <rte_esp.h>
#include <rte_ip.h>
#include <rte_security.h>
#include <rte_security_driver.h>
#include <rte_udp.h>
#include "cnxk_cryptodev.h"
#include "cnxk_ipsec.h"
#include "cnxk_security.h"
#include "cn10k_ipsec.h"
#include "roc_api.h"
static int
ipsec_xform_aead_verify(struct rte_security_ipsec_xform *ipsec_xfrm,
struct rte_crypto_sym_xform *crypto_xfrm)
{
if (ipsec_xfrm->direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS &&
crypto_xfrm->aead.op != RTE_CRYPTO_AEAD_OP_ENCRYPT)
return -EINVAL;
if (ipsec_xfrm->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS &&
crypto_xfrm->aead.op != RTE_CRYPTO_AEAD_OP_DECRYPT)
return -EINVAL;
if (crypto_xfrm->aead.algo == RTE_CRYPTO_AEAD_AES_GCM) {
switch (crypto_xfrm->aead.key.length) {
case ROC_CPT_AES128_KEY_LEN:
case ROC_CPT_AES192_KEY_LEN:
case ROC_CPT_AES256_KEY_LEN:
break;
default:
return -EINVAL;
}
return 0;
}
return -ENOTSUP;
}
static int
cn10k_ipsec_xform_verify(struct rte_security_ipsec_xform *ipsec_xfrm,
struct rte_crypto_sym_xform *crypto_xfrm)
{
if ((ipsec_xfrm->direction != RTE_SECURITY_IPSEC_SA_DIR_INGRESS) &&
(ipsec_xfrm->direction != RTE_SECURITY_IPSEC_SA_DIR_EGRESS))
return -EINVAL;
if ((ipsec_xfrm->proto != RTE_SECURITY_IPSEC_SA_PROTO_ESP) &&
(ipsec_xfrm->proto != RTE_SECURITY_IPSEC_SA_PROTO_AH))
return -EINVAL;
if ((ipsec_xfrm->mode != RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT) &&
(ipsec_xfrm->mode != RTE_SECURITY_IPSEC_SA_MODE_TUNNEL))
return -EINVAL;
if ((ipsec_xfrm->tunnel.type != RTE_SECURITY_IPSEC_TUNNEL_IPV4) &&
(ipsec_xfrm->tunnel.type != RTE_SECURITY_IPSEC_TUNNEL_IPV6))
return -EINVAL;
if (crypto_xfrm->type == RTE_CRYPTO_SYM_XFORM_AEAD)
return ipsec_xform_aead_verify(ipsec_xfrm, crypto_xfrm);
return -ENOTSUP;
}
static uint64_t
ipsec_cpt_inst_w7_get(struct roc_cpt *roc_cpt, void *sa)
{
union cpt_inst_w7 w7;
w7.u64 = 0;
w7.s.egrp = roc_cpt->eng_grp[CPT_ENG_TYPE_IE];
w7.s.ctx_val = 1;
w7.s.cptr = (uint64_t)sa;
rte_mb();
return w7.u64;
}
static int
cn10k_ipsec_outb_sa_create(struct roc_cpt *roc_cpt,
struct rte_security_ipsec_xform *ipsec_xfrm,
struct rte_crypto_sym_xform *crypto_xfrm,
struct rte_security_session *sec_sess)
{
struct roc_ot_ipsec_outb_sa *out_sa;
struct cnxk_ipsec_outb_rlens rlens;
struct cn10k_sec_session *sess;
struct cn10k_ipsec_sa *sa;
union cpt_inst_w4 inst_w4;
int ret;
sess = get_sec_session_private_data(sec_sess);
sa = &sess->sa;
out_sa = &sa->out_sa;
memset(out_sa, 0, sizeof(struct roc_ot_ipsec_outb_sa));
/* Translate security parameters to SA */
ret = cnxk_ot_ipsec_outb_sa_fill(out_sa, ipsec_xfrm, crypto_xfrm);
if (ret)
return ret;
sa->inst.w7 = ipsec_cpt_inst_w7_get(roc_cpt, sa);
/* Get Rlen calculation data */
ret = cnxk_ipsec_outb_rlens_get(&rlens, ipsec_xfrm, crypto_xfrm);
if (ret)
return ret;
sa->partial_len = rlens.partial_len;
sa->roundup_byte = rlens.roundup_byte;
sa->roundup_len = rlens.roundup_len;
/* pre-populate CPT INST word 4 */
inst_w4.u64 = 0;
inst_w4.s.opcode_major = ROC_IE_OT_MAJOR_OP_PROCESS_OUTBOUND_IPSEC;
inst_w4.s.param1 = 0;
sa->inst.w4 = inst_w4.u64;
return 0;
}
static int
cn10k_ipsec_inb_sa_create(struct roc_cpt *roc_cpt,
struct rte_security_ipsec_xform *ipsec_xfrm,
struct rte_crypto_sym_xform *crypto_xfrm,
struct rte_security_session *sec_sess)
{
struct roc_ot_ipsec_inb_sa *in_sa;
struct cn10k_sec_session *sess;
struct cn10k_ipsec_sa *sa;
union cpt_inst_w4 inst_w4;
int ret;
sess = get_sec_session_private_data(sec_sess);
sa = &sess->sa;
in_sa = &sa->in_sa;
/* Translate security parameters to SA */
ret = cnxk_ot_ipsec_inb_sa_fill(in_sa, ipsec_xfrm, crypto_xfrm);
if (ret)
return ret;
/* TODO add support for antireplay */
sa->in_sa.w0.s.ar_win = 0;
/* TODO add support for udp encap */
sa->inst.w7 = ipsec_cpt_inst_w7_get(roc_cpt, sa);
/* pre-populate CPT INST word 4 */
inst_w4.u64 = 0;
inst_w4.s.opcode_major = ROC_IE_OT_MAJOR_OP_PROCESS_INBOUND_IPSEC;
/* Disable checksum verification for now */
inst_w4.s.param1 = 7;
sa->inst.w4 = inst_w4.u64;
return 0;
}
static int
cn10k_ipsec_session_create(void *dev,
struct rte_security_ipsec_xform *ipsec_xfrm,
struct rte_crypto_sym_xform *crypto_xfrm,
struct rte_security_session *sess)
{
struct rte_cryptodev *crypto_dev = dev;
struct roc_cpt *roc_cpt;
struct cnxk_cpt_vf *vf;
int ret;
vf = crypto_dev->data->dev_private;
roc_cpt = &vf->cpt;
if (crypto_dev->data->queue_pairs[0] == NULL) {
plt_err("Setup cpt queue pair before creating security session");
return -EPERM;
}
ret = cn10k_ipsec_xform_verify(ipsec_xfrm, crypto_xfrm);
if (ret)
return ret;
if (ipsec_xfrm->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS)
return cn10k_ipsec_inb_sa_create(roc_cpt, ipsec_xfrm,
crypto_xfrm, sess);
else
return cn10k_ipsec_outb_sa_create(roc_cpt, ipsec_xfrm,
crypto_xfrm, sess);
}
static int
cn10k_sec_session_create(void *device, struct rte_security_session_conf *conf,
struct rte_security_session *sess,
struct rte_mempool *mempool)
{
struct cn10k_sec_session *priv;
int ret;
if (conf->action_type != RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL)
return -EINVAL;
if (rte_security_dynfield_register() < 0)
return -ENOTSUP;
if (rte_mempool_get(mempool, (void **)&priv)) {
plt_err("Could not allocate security session private data");
return -ENOMEM;
}
set_sec_session_private_data(sess, priv);
priv->userdata = conf->userdata;
if (conf->protocol != RTE_SECURITY_PROTOCOL_IPSEC) {
ret = -ENOTSUP;
goto mempool_put;
}
ret = cn10k_ipsec_session_create(device, &conf->ipsec,
conf->crypto_xform, sess);
if (ret)
goto mempool_put;
return 0;
mempool_put:
rte_mempool_put(mempool, priv);
set_sec_session_private_data(sess, NULL);
return ret;
}
static int
cn10k_sec_session_destroy(void *device __rte_unused,
struct rte_security_session *sess)
{
struct cn10k_sec_session *priv;
struct rte_mempool *sess_mp;
priv = get_sec_session_private_data(sess);
if (priv == NULL)
return 0;
sess_mp = rte_mempool_from_obj(priv);
set_sec_session_private_data(sess, NULL);
rte_mempool_put(sess_mp, priv);
return 0;
}
static unsigned int
cn10k_sec_session_get_size(void *device __rte_unused)
{
return sizeof(struct cn10k_sec_session);
}
/* Update platform specific security ops */
void
cn10k_sec_ops_override(void)
{
/* Update platform specific ops */
cnxk_sec_ops.session_create = cn10k_sec_session_create;
cnxk_sec_ops.session_destroy = cn10k_sec_session_destroy;
cnxk_sec_ops.session_get_size = cn10k_sec_session_get_size;
}

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@ -0,0 +1,36 @@
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(C) 2021 Marvell.
*/
#ifndef __CN10K_IPSEC_H__
#define __CN10K_IPSEC_H__
#include <rte_security.h>
#include "cnxk_ipsec.h"
#define CN10K_IPSEC_SA_CTX_HDR_SIZE 1
struct cn10k_ipsec_sa {
union {
/** Inbound SA */
struct roc_ot_ipsec_inb_sa in_sa;
/** Outbound SA */
struct roc_ot_ipsec_outb_sa out_sa;
};
/** Pre-populated CPT inst words */
struct cnxk_cpt_inst_tmpl inst;
uint8_t partial_len;
uint8_t roundup_len;
uint8_t roundup_byte;
};
struct cn10k_sec_session {
struct cn10k_ipsec_sa sa;
void *userdata;
/**< Userdata registered by the application */
} __rte_cache_aligned;
void cn10k_sec_ops_override(void);
#endif /* __CN10K_IPSEC_H__ */

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@ -0,0 +1,20 @@
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(C) 2021 Marvell.
*/
#ifndef __CNXK_IPSEC_H__
#define __CNXK_IPSEC_H__
#include <rte_security.h>
#include <rte_security_driver.h>
#include "roc_api.h"
extern struct rte_security_ops cnxk_sec_ops;
struct cnxk_cpt_inst_tmpl {
uint64_t w2;
uint64_t w4;
uint64_t w7;
};
#endif /* __CNXK_IPSEC_H__ */

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@ -13,6 +13,7 @@ sources = files(
'cn9k_cryptodev_ops.c',
'cn10k_cryptodev.c',
'cn10k_cryptodev_ops.c',
'cn10k_ipsec.c',
'cnxk_cryptodev.c',
'cnxk_cryptodev_capabilities.c',
'cnxk_cryptodev_ops.c',
@ -20,3 +21,5 @@ sources = files(
)
deps += ['bus_pci', 'common_cnxk', 'security']
includes += include_directories('../../../lib/net')