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net/octeontx2: add security session operations

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Adding security session operations in eth security ctx.

Signed-off-by: Ankur Dwivedi <adwivedi@marvell.com>
Signed-off-by: Anoob Joseph <anoobj@marvell.com>
Signed-off-by: Archana Muniganti <marchana@marvell.com>
Signed-off-by: Tejasree Kondoj <ktejasree@marvell.com>
Signed-off-by: Vamsi Attunuru <vattunuru@marvell.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>
This commit is contained in:
Anoob Joseph 2020-02-04 16:47:18 +05:30 committed by Akhil Goyal
parent 3fe4d07d16
commit f44e716377
6 changed files with 809 additions and 1 deletions
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63
drivers/common/octeontx2/otx2_sec_idev.c
View File

@ -118,3 +118,66 @@ otx2_sec_idev_tx_cpt_qp_remove(struct otx2_cpt_qp *qp)
rte_spinlock_unlock(&cfg->tx_cpt_lock);
return ret;
}
int
otx2_sec_idev_tx_cpt_qp_get(uint16_t port_id, struct otx2_cpt_qp **qp)
{
struct otx2_sec_idev_cfg *cfg;
uint16_t index;
int i, ret;
if (port_id > OTX2_MAX_INLINE_PORTS || qp == NULL)
return -EINVAL;
cfg = &sec_cfg[port_id];
rte_spinlock_lock(&cfg->tx_cpt_lock);
index = cfg->tx_cpt_idx;
/* Get the next index with valid data */
for (i = 0; i < OTX2_MAX_CPT_QP_PER_PORT; i++) {
if (cfg->tx_cpt[index].qp != NULL)
break;
index = (index + 1) % OTX2_MAX_CPT_QP_PER_PORT;
}
if (i >= OTX2_MAX_CPT_QP_PER_PORT) {
ret = -EINVAL;
goto unlock;
}
*qp = cfg->tx_cpt[index].qp;
rte_atomic16_inc(&cfg->tx_cpt[index].ref_cnt);
cfg->tx_cpt_idx = (index + 1) % OTX2_MAX_CPT_QP_PER_PORT;
ret = 0;
unlock:
rte_spinlock_unlock(&cfg->tx_cpt_lock);
return ret;
}
int
otx2_sec_idev_tx_cpt_qp_put(struct otx2_cpt_qp *qp)
{
struct otx2_sec_idev_cfg *cfg;
uint16_t port_id;
int i;
if (qp == NULL)
return -EINVAL;
for (port_id = 0; port_id < OTX2_MAX_INLINE_PORTS; port_id++) {
cfg = &sec_cfg[port_id];
for (i = 0; i < OTX2_MAX_CPT_QP_PER_PORT; i++) {
if (cfg->tx_cpt[i].qp == qp) {
rte_atomic16_dec(&cfg->tx_cpt[i].ref_cnt);
return 0;
}
}
}
return -EINVAL;
}

4
drivers/common/octeontx2/otx2_sec_idev.h
View File

@ -30,4 +30,8 @@ int otx2_sec_idev_tx_cpt_qp_add(uint16_t port_id, struct otx2_cpt_qp *qp);
int otx2_sec_idev_tx_cpt_qp_remove(struct otx2_cpt_qp *qp);
int otx2_sec_idev_tx_cpt_qp_put(struct otx2_cpt_qp *qp);
int otx2_sec_idev_tx_cpt_qp_get(uint16_t port_id, struct otx2_cpt_qp **qp);
#endif /* _OTX2_SEC_IDEV_H_ */

2
drivers/common/octeontx2/rte_common_octeontx2_version.map
View File

@ -31,6 +31,8 @@ DPDK_20.0 {
otx2_sec_idev_cfg_init;
otx2_sec_idev_tx_cpt_qp_add;
otx2_sec_idev_tx_cpt_qp_remove;
otx2_sec_idev_tx_cpt_qp_get;
otx2_sec_idev_tx_cpt_qp_put;
otx2_sso_pf_func_get;
otx2_sso_pf_func_set;
otx2_unregister_irq;

295
drivers/crypto/octeontx2/otx2_ipsec_fp.h
View File

@ -5,6 +5,67 @@
#ifndef __OTX2_IPSEC_FP_H__
#define __OTX2_IPSEC_FP_H__
#include <rte_crypto_sym.h>
#include <rte_security.h>
enum {
OTX2_IPSEC_FP_SA_DIRECTION_INBOUND = 0,
OTX2_IPSEC_FP_SA_DIRECTION_OUTBOUND = 1,
};
enum {
OTX2_IPSEC_FP_SA_IP_VERSION_4 = 0,
OTX2_IPSEC_FP_SA_IP_VERSION_6 = 1,
};
enum {
OTX2_IPSEC_FP_SA_MODE_TRANSPORT = 0,
OTX2_IPSEC_FP_SA_MODE_TUNNEL = 1,
};
enum {
OTX2_IPSEC_FP_SA_PROTOCOL_AH = 0,
OTX2_IPSEC_FP_SA_PROTOCOL_ESP = 1,
};
enum {
OTX2_IPSEC_FP_SA_AES_KEY_LEN_128 = 1,
OTX2_IPSEC_FP_SA_AES_KEY_LEN_192 = 2,
OTX2_IPSEC_FP_SA_AES_KEY_LEN_256 = 3,
};
enum {
OTX2_IPSEC_FP_SA_ENC_NULL = 0,
OTX2_IPSEC_FP_SA_ENC_DES_CBC = 1,
OTX2_IPSEC_FP_SA_ENC_3DES_CBC = 2,
OTX2_IPSEC_FP_SA_ENC_AES_CBC = 3,
OTX2_IPSEC_FP_SA_ENC_AES_CTR = 4,
OTX2_IPSEC_FP_SA_ENC_AES_GCM = 5,
OTX2_IPSEC_FP_SA_ENC_AES_CCM = 6,
};
enum {
OTX2_IPSEC_FP_SA_AUTH_NULL = 0,
OTX2_IPSEC_FP_SA_AUTH_MD5 = 1,
OTX2_IPSEC_FP_SA_AUTH_SHA1 = 2,
OTX2_IPSEC_FP_SA_AUTH_SHA2_224 = 3,
OTX2_IPSEC_FP_SA_AUTH_SHA2_256 = 4,
OTX2_IPSEC_FP_SA_AUTH_SHA2_384 = 5,
OTX2_IPSEC_FP_SA_AUTH_SHA2_512 = 6,
OTX2_IPSEC_FP_SA_AUTH_AES_GMAC = 7,
OTX2_IPSEC_FP_SA_AUTH_AES_XCBC_128 = 8,
};
enum {
OTX2_IPSEC_FP_SA_FRAG_POST = 0,
OTX2_IPSEC_FP_SA_FRAG_PRE = 1,
};
enum {
OTX2_IPSEC_FP_SA_ENCAP_NONE = 0,
OTX2_IPSEC_FP_SA_ENCAP_UDP = 1,
};
struct otx2_ipsec_fp_sa_ctl {
rte_be32_t spi : 32;
uint64_t exp_proto_inter_frag : 8;
@ -24,6 +85,26 @@ struct otx2_ipsec_fp_sa_ctl {
uint64_t aes_key_len : 2;
};
struct otx2_ipsec_fp_out_sa {
/* w0 */
struct otx2_ipsec_fp_sa_ctl ctl;
/* w1 */
uint8_t nonce[4];
uint16_t udp_src;
uint16_t udp_dst;
/* w2 */
uint32_t ip_src;
uint32_t ip_dst;
/* w3-w6 */
uint8_t cipher_key[32];
/* w7-w12 */
uint8_t hmac_key[48];
};
struct otx2_ipsec_fp_in_sa {
/* w0 */
struct otx2_ipsec_fp_sa_ctl ctl;
@ -52,4 +133,218 @@ struct otx2_ipsec_fp_in_sa {
uint64_t reserved2;
};
static inline int
ipsec_fp_xform_cipher_verify(struct rte_crypto_sym_xform *xform)
{
if (xform->cipher.algo == RTE_CRYPTO_CIPHER_AES_CBC) {
switch (xform->cipher.key.length) {
case 16:
case 24:
case 32:
break;
default:
return -ENOTSUP;
}
return 0;
}
return -ENOTSUP;
}
static inline int
ipsec_fp_xform_auth_verify(struct rte_crypto_sym_xform *xform)
{
uint16_t keylen = xform->auth.key.length;
if (xform->auth.algo == RTE_CRYPTO_AUTH_SHA1_HMAC) {
if (keylen >= 20 && keylen <= 64)
return 0;
}
return -ENOTSUP;
}
static inline int
ipsec_fp_xform_aead_verify(struct rte_security_ipsec_xform *ipsec,
struct rte_crypto_sym_xform *xform)
{
if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS &&
xform->aead.op != RTE_CRYPTO_AEAD_OP_ENCRYPT)
return -EINVAL;
if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS &&
xform->aead.op != RTE_CRYPTO_AEAD_OP_DECRYPT)
return -EINVAL;
if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM) {
switch (xform->aead.key.length) {
case 16:
case 24:
case 32:
break;
default:
return -EINVAL;
}
return 0;
}
return -ENOTSUP;
}
static inline int
ipsec_fp_xform_verify(struct rte_security_ipsec_xform *ipsec,
struct rte_crypto_sym_xform *xform)
{
struct rte_crypto_sym_xform *auth_xform, *cipher_xform;
int ret;
if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD)
return ipsec_fp_xform_aead_verify(ipsec, xform);
if (xform->next == NULL)
return -EINVAL;
if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS) {
/* Ingress */
if (xform->type != RTE_CRYPTO_SYM_XFORM_AUTH ||
xform->next->type != RTE_CRYPTO_SYM_XFORM_CIPHER)
return -EINVAL;
auth_xform = xform;
cipher_xform = xform->next;
} else {
/* Egress */
if (xform->type != RTE_CRYPTO_SYM_XFORM_CIPHER ||
xform->next->type != RTE_CRYPTO_SYM_XFORM_AUTH)
return -EINVAL;
cipher_xform = xform;
auth_xform = xform->next;
}
ret = ipsec_fp_xform_cipher_verify(cipher_xform);
if (ret)
return ret;
ret = ipsec_fp_xform_auth_verify(auth_xform);
if (ret)
return ret;
return 0;
}
static inline int
ipsec_fp_sa_ctl_set(struct rte_security_ipsec_xform *ipsec,
struct rte_crypto_sym_xform *xform,
struct otx2_ipsec_fp_sa_ctl *ctl)
{
struct rte_crypto_sym_xform *cipher_xform, *auth_xform;
int aes_key_len;
if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_EGRESS) {
ctl->direction = OTX2_IPSEC_FP_SA_DIRECTION_OUTBOUND;
cipher_xform = xform;
auth_xform = xform->next;
} else if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS) {
ctl->direction = OTX2_IPSEC_FP_SA_DIRECTION_INBOUND;
auth_xform = xform;
cipher_xform = xform->next;
} else {
return -EINVAL;
}
if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) {
if (ipsec->tunnel.type == RTE_SECURITY_IPSEC_TUNNEL_IPV4)
ctl->outer_ip_ver = OTX2_IPSEC_FP_SA_IP_VERSION_4;
else if (ipsec->tunnel.type == RTE_SECURITY_IPSEC_TUNNEL_IPV6)
ctl->outer_ip_ver = OTX2_IPSEC_FP_SA_IP_VERSION_6;
else
return -EINVAL;
}
ctl->inner_ip_ver = OTX2_IPSEC_FP_SA_IP_VERSION_4;
if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT)
ctl->ipsec_mode = OTX2_IPSEC_FP_SA_MODE_TRANSPORT;
else if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL)
ctl->ipsec_mode = OTX2_IPSEC_FP_SA_MODE_TUNNEL;
else
return -EINVAL;
if (ipsec->proto == RTE_SECURITY_IPSEC_SA_PROTO_AH)
ctl->ipsec_proto = OTX2_IPSEC_FP_SA_PROTOCOL_AH;
else if (ipsec->proto == RTE_SECURITY_IPSEC_SA_PROTO_ESP)
ctl->ipsec_proto = OTX2_IPSEC_FP_SA_PROTOCOL_ESP;
else
return -EINVAL;
if (xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
if (xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM) {
ctl->enc_type = OTX2_IPSEC_FP_SA_ENC_AES_GCM;
aes_key_len = xform->aead.key.length;
} else {
return -ENOTSUP;
}
} else if (cipher_xform->cipher.algo == RTE_CRYPTO_CIPHER_AES_CBC) {
ctl->enc_type = OTX2_IPSEC_FP_SA_ENC_AES_CBC;
aes_key_len = cipher_xform->cipher.key.length;
} else {
return -ENOTSUP;
}
switch (aes_key_len) {
case 16:
ctl->aes_key_len = OTX2_IPSEC_FP_SA_AES_KEY_LEN_128;
break;
case 24:
ctl->aes_key_len = OTX2_IPSEC_FP_SA_AES_KEY_LEN_192;
break;
case 32:
ctl->aes_key_len = OTX2_IPSEC_FP_SA_AES_KEY_LEN_256;
break;
default:
return -EINVAL;
}
if (xform->type != RTE_CRYPTO_SYM_XFORM_AEAD) {
switch (auth_xform->auth.algo) {
case RTE_CRYPTO_AUTH_NULL:
ctl->auth_type = OTX2_IPSEC_FP_SA_AUTH_NULL;
break;
case RTE_CRYPTO_AUTH_MD5_HMAC:
ctl->auth_type = OTX2_IPSEC_FP_SA_AUTH_MD5;
break;
case RTE_CRYPTO_AUTH_SHA1_HMAC:
ctl->auth_type = OTX2_IPSEC_FP_SA_AUTH_SHA1;
break;
case RTE_CRYPTO_AUTH_SHA224_HMAC:
ctl->auth_type = OTX2_IPSEC_FP_SA_AUTH_SHA2_224;
break;
case RTE_CRYPTO_AUTH_SHA256_HMAC:
ctl->auth_type = OTX2_IPSEC_FP_SA_AUTH_SHA2_256;
break;
case RTE_CRYPTO_AUTH_SHA384_HMAC:
ctl->auth_type = OTX2_IPSEC_FP_SA_AUTH_SHA2_384;
break;
case RTE_CRYPTO_AUTH_SHA512_HMAC:
ctl->auth_type = OTX2_IPSEC_FP_SA_AUTH_SHA2_512;
break;
case RTE_CRYPTO_AUTH_AES_GMAC:
ctl->auth_type = OTX2_IPSEC_FP_SA_AUTH_AES_GMAC;
break;
case RTE_CRYPTO_AUTH_AES_XCBC_MAC:
ctl->auth_type = OTX2_IPSEC_FP_SA_AUTH_AES_XCBC_128;
break;
default:
return -ENOTSUP;
}
}
if (ipsec->options.esn == 1)
ctl->esn_en = 1;
ctl->spi = rte_cpu_to_be_32(ipsec->spi);
ctl->valid = 1;
return 0;
}
#endif /* __OTX2_IPSEC_FP_H__ */

362
drivers/net/octeontx2/otx2_ethdev_sec.c
View File

@ -141,6 +141,366 @@ in_sa_mz_name_get(char *name, int size, uint16_t port)
snprintf(name, size, "otx2_ipsec_in_sadb_%u", port);
}
static struct otx2_ipsec_fp_in_sa *
in_sa_get(uint16_t port, int sa_index)
{
char name[RTE_MEMZONE_NAMESIZE];
struct otx2_ipsec_fp_in_sa *sa;
const struct rte_memzone *mz;
in_sa_mz_name_get(name, RTE_MEMZONE_NAMESIZE, port);
mz = rte_memzone_lookup(name);
if (mz == NULL) {
otx2_err("Could not get the memzone reserved for IN SA DB");
return NULL;
}
sa = mz->addr;
return sa + sa_index;
}
static int
hmac_init(struct otx2_ipsec_fp_sa_ctl *ctl, struct otx2_cpt_qp *qp,
const uint8_t *auth_key, int len, uint8_t *hmac_key)
{
struct inst_data {
struct otx2_cpt_res cpt_res;
uint8_t buffer[64];
} *md;
volatile struct otx2_cpt_res *res;
uint64_t timeout, lmt_status;
struct otx2_cpt_inst_s inst;
rte_iova_t md_iova;
int ret;
memset(&inst, 0, sizeof(struct otx2_cpt_inst_s));
md = rte_zmalloc(NULL, sizeof(struct inst_data), OTX2_CPT_RES_ALIGN);
if (md == NULL)
return -ENOMEM;
memcpy(md->buffer, auth_key, len);
md_iova = rte_malloc_virt2iova(md);
if (md_iova == RTE_BAD_IOVA) {
ret = -EINVAL;
goto free_md;
}
inst.res_addr = md_iova + offsetof(struct inst_data, cpt_res);
inst.opcode = OTX2_CPT_OP_WRITE_HMAC_IPAD_OPAD;
inst.param2 = ctl->auth_type;
inst.dlen = len;
inst.dptr = md_iova + offsetof(struct inst_data, buffer);
inst.rptr = inst.dptr;
inst.egrp = OTX2_CPT_EGRP_INLINE_IPSEC;
md->cpt_res.compcode = 0;
md->cpt_res.uc_compcode = 0xff;
timeout = rte_get_timer_cycles() + 5 * rte_get_timer_hz();
rte_cio_wmb();
do {
otx2_lmt_mov(qp->lmtline, &inst, 2);
lmt_status = otx2_lmt_submit(qp->lf_nq_reg);
} while (lmt_status == 0);
res = (volatile struct otx2_cpt_res *)&md->cpt_res;
/* Wait until instruction completes or times out */
while (res->uc_compcode == 0xff) {
if (rte_get_timer_cycles() > timeout)
break;
}
if (res->u16[0] != OTX2_SEC_COMP_GOOD) {
ret = -EIO;
goto free_md;
}
/* Retrieve the ipad and opad from rptr */
memcpy(hmac_key, md->buffer, 48);
ret = 0;
free_md:
rte_free(md);
return ret;
}
static int
eth_sec_ipsec_out_sess_create(struct rte_eth_dev *eth_dev,
struct rte_security_ipsec_xform *ipsec,
struct rte_crypto_sym_xform *crypto_xform,
struct rte_security_session *sec_sess)
{
struct rte_crypto_sym_xform *auth_xform, *cipher_xform;
struct otx2_sec_session_ipsec_ip *sess;
uint16_t port = eth_dev->data->port_id;
int cipher_key_len, auth_key_len, ret;
const uint8_t *cipher_key, *auth_key;
struct otx2_ipsec_fp_sa_ctl *ctl;
struct otx2_ipsec_fp_out_sa *sa;
struct otx2_sec_session *priv;
struct otx2_cpt_qp *qp;
priv = get_sec_session_private_data(sec_sess);
sess = &priv->ipsec.ip;
sa = &sess->out_sa;
ctl = &sa->ctl;
if (ctl->valid) {
otx2_err("SA already registered");
return -EINVAL;
}
memset(sess, 0, sizeof(struct otx2_sec_session_ipsec_ip));
if (crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD)
memcpy(sa->nonce, &ipsec->salt, 4);
if (ipsec->options.udp_encap == 1) {
sa->udp_src = 4500;
sa->udp_dst = 4500;
}
if (ipsec->mode == RTE_SECURITY_IPSEC_SA_MODE_TUNNEL) {
if (ipsec->tunnel.type == RTE_SECURITY_IPSEC_TUNNEL_IPV4) {
memcpy(&sa->ip_src, &ipsec->tunnel.ipv4.src_ip,
sizeof(struct in_addr));
memcpy(&sa->ip_dst, &ipsec->tunnel.ipv4.dst_ip,
sizeof(struct in_addr));
} else {
return -EINVAL;
}
} else {
return -EINVAL;
}
cipher_xform = crypto_xform;
auth_xform = crypto_xform->next;
cipher_key_len = 0;
auth_key_len = 0;
auth_key = NULL;
if (crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
cipher_key = crypto_xform->aead.key.data;
cipher_key_len = crypto_xform->aead.key.length;
} else {
cipher_key = cipher_xform->cipher.key.data;
cipher_key_len = cipher_xform->cipher.key.length;
auth_key = auth_xform->auth.key.data;
auth_key_len = auth_xform->auth.key.length;
}
if (cipher_key_len != 0)
memcpy(sa->cipher_key, cipher_key, cipher_key_len);
else
return -EINVAL;
/* Get CPT QP to be used for this SA */
ret = otx2_sec_idev_tx_cpt_qp_get(port, &qp);
if (ret)
return ret;
sess->qp = qp;
sess->cpt_lmtline = qp->lmtline;
sess->cpt_nq_reg = qp->lf_nq_reg;
/* Populate control word */
ret = ipsec_fp_sa_ctl_set(ipsec, crypto_xform, ctl);
if (ret)
goto cpt_put;
if (auth_key_len && auth_key) {
ret = hmac_init(ctl, qp, auth_key, auth_key_len, sa->hmac_key);
if (ret)
goto cpt_put;
}
return 0;
cpt_put:
otx2_sec_idev_tx_cpt_qp_put(sess->qp);
return ret;
}
static int
eth_sec_ipsec_in_sess_create(struct rte_eth_dev *eth_dev,
struct rte_security_ipsec_xform *ipsec,
struct rte_crypto_sym_xform *crypto_xform,
struct rte_security_session *sec_sess)
{
struct rte_crypto_sym_xform *auth_xform, *cipher_xform;
struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
struct otx2_sec_session_ipsec_ip *sess;
uint16_t port = eth_dev->data->port_id;
int cipher_key_len, auth_key_len, ret;
const uint8_t *cipher_key, *auth_key;
struct otx2_ipsec_fp_sa_ctl *ctl;
struct otx2_ipsec_fp_in_sa *sa;
struct otx2_sec_session *priv;
struct otx2_cpt_qp *qp;
if (ipsec->spi >= dev->ipsec_in_max_spi) {
otx2_err("SPI exceeds max supported");
return -EINVAL;
}
sa = in_sa_get(port, ipsec->spi);
ctl = &sa->ctl;
priv = get_sec_session_private_data(sec_sess);
sess = &priv->ipsec.ip;
if (ctl->valid) {
otx2_err("SA already registered");
return -EINVAL;
}
memset(sa, 0, sizeof(struct otx2_ipsec_fp_in_sa));
auth_xform = crypto_xform;
cipher_xform = crypto_xform->next;
cipher_key_len = 0;
auth_key_len = 0;
auth_key = NULL;
if (crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD) {
if (crypto_xform->aead.algo == RTE_CRYPTO_AEAD_AES_GCM)
memcpy(sa->nonce, &ipsec->salt, 4);
cipher_key = crypto_xform->aead.key.data;
cipher_key_len = crypto_xform->aead.key.length;
} else {
cipher_key = cipher_xform->cipher.key.data;
cipher_key_len = cipher_xform->cipher.key.length;
auth_key = auth_xform->auth.key.data;
auth_key_len = auth_xform->auth.key.length;
}
if (cipher_key_len != 0)
memcpy(sa->cipher_key, cipher_key, cipher_key_len);
else
return -EINVAL;
sess->in_sa = sa;
sa->userdata = priv->userdata;
ret = ipsec_fp_sa_ctl_set(ipsec, crypto_xform, ctl);
if (ret)
return ret;
if (auth_key_len && auth_key) {
/* Get a queue pair for HMAC init */
ret = otx2_sec_idev_tx_cpt_qp_get(port, &qp);
if (ret)
return ret;
ret = hmac_init(ctl, qp, auth_key, auth_key_len, sa->hmac_key);
otx2_sec_idev_tx_cpt_qp_put(qp);
}
return ret;
}
static int
eth_sec_ipsec_sess_create(struct rte_eth_dev *eth_dev,
struct rte_security_ipsec_xform *ipsec,
struct rte_crypto_sym_xform *crypto_xform,
struct rte_security_session *sess)
{
int ret;
ret = ipsec_fp_xform_verify(ipsec, crypto_xform);
if (ret)
return ret;
if (ipsec->direction == RTE_SECURITY_IPSEC_SA_DIR_INGRESS)
return eth_sec_ipsec_in_sess_create(eth_dev, ipsec,
crypto_xform, sess);
else
return eth_sec_ipsec_out_sess_create(eth_dev, ipsec,
crypto_xform, sess);
}
static int
otx2_eth_sec_session_create(void *device,
struct rte_security_session_conf *conf,
struct rte_security_session *sess,
struct rte_mempool *mempool)
{
struct otx2_sec_session *priv;
int ret;
if (conf->action_type != RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL)
return -ENOTSUP;
if (rte_mempool_get(mempool, (void **)&priv)) {
otx2_err("Could not allocate security session private data");
return -ENOMEM;
}
set_sec_session_private_data(sess, priv);
/*
* Save userdata provided by the application. For ingress packets, this
* could be used to identify the SA.
*/
priv->userdata = conf->userdata;
if (conf->protocol == RTE_SECURITY_PROTOCOL_IPSEC)
ret = eth_sec_ipsec_sess_create(device, &conf->ipsec,
conf->crypto_xform,
sess);
else
ret = -ENOTSUP;
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
otx2_eth_sec_session_destroy(void *device __rte_unused,
struct rte_security_session *sess)
{
struct otx2_sec_session_ipsec_ip *sess_ip;
struct otx2_sec_session *priv;
struct rte_mempool *sess_mp;
int ret;
priv = get_sec_session_private_data(sess);
if (priv == NULL)
return -EINVAL;
sess_ip = &priv->ipsec.ip;
/* Release CPT LF used for this session */
if (sess_ip->qp != NULL) {
ret = otx2_sec_idev_tx_cpt_qp_put(sess_ip->qp);
if (ret)
return ret;
}
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
otx2_eth_sec_session_get_size(void *device __rte_unused)
{
@ -154,6 +514,8 @@ otx2_eth_sec_capabilities_get(void *device __rte_unused)
}
static struct rte_security_ops otx2_eth_sec_ops = {
.session_create = otx2_eth_sec_session_create,
.session_destroy = otx2_eth_sec_session_destroy,
.session_get_size = otx2_eth_sec_session_get_size,
.capabilities_get = otx2_eth_sec_capabilities_get
};

84
drivers/net/octeontx2/otx2_ethdev_sec.h
View File

@ -9,12 +9,92 @@
#include "otx2_ipsec_fp.h"
#define OTX2_CPT_RES_ALIGN 16
#define OTX2_CPT_EGRP_INLINE_IPSEC 1
#define OTX2_CPT_OP_WRITE_HMAC_IPAD_OPAD (0x40 | 0x27)
#define OTX2_SEC_CPT_COMP_GOOD 0x1
#define OTX2_SEC_UC_COMP_GOOD 0x0
#define OTX2_SEC_COMP_GOOD (OTX2_SEC_UC_COMP_GOOD << 8 | \
OTX2_SEC_CPT_COMP_GOOD)
/* CPT Result */
struct otx2_cpt_res {
union {
struct {
uint64_t compcode:8;
uint64_t uc_compcode:8;
uint64_t doneint:1;
uint64_t reserved_17_63:47;
uint64_t reserved_64_127;
};
uint16_t u16[8];
};
};
struct otx2_cpt_inst_s {
union {
struct {
/* W0 */
uint64_t nixtxl : 3;
uint64_t doneint : 1;
uint64_t nixtx_addr : 60;
/* W1 */
uint64_t res_addr : 64;
/* W2 */
uint64_t tag : 32;
uint64_t tt : 2;
uint64_t grp : 10;
uint64_t rsvd_175_172 : 4;
uint64_t rvu_pf_func : 16;
/* W3 */
uint64_t qord : 1;
uint64_t rsvd_194_193 : 2;
uint64_t wqe_ptr : 61;
/* W4 */
uint64_t dlen : 16;
uint64_t param2 : 16;
uint64_t param1 : 16;
uint64_t opcode : 16;
/* W5 */
uint64_t dptr : 64;
/* W6 */
uint64_t rptr : 64;
/* W7 */
uint64_t cptr : 61;
uint64_t egrp : 3;
};
uint64_t u64[8];
};
};
/*
* Security session for inline IPsec protocol offload. This is private data of
* inline capable PMD.
*/
struct otx2_sec_session_ipsec_ip {
int dummy;
RTE_STD_C11
union {
/*
* Inbound SA would accessed by crypto block. And so the memory
* is allocated differently and shared with the h/w. Only
* holding a pointer to this memory in the session private
* space.
*/
void *in_sa;
/* Outbound SA */
struct otx2_ipsec_fp_out_sa out_sa;
};
/* Address of CPT LMTLINE */
void *cpt_lmtline;
/* CPT LF enqueue register address */
rte_iova_t cpt_nq_reg;
/* CPT QP used by SA */
struct otx2_cpt_qp *qp;
};
struct otx2_sec_session_ipsec {
@ -23,6 +103,8 @@ struct otx2_sec_session_ipsec {
struct otx2_sec_session {
struct otx2_sec_session_ipsec ipsec;
void *userdata;
/**< Userdata registered by the application */
} __rte_cache_aligned;
int otx2_eth_sec_ctx_create(struct rte_eth_dev *eth_dev);