common/cnxk: generate MD5 ipad opad

Add support to generate ipad and opad for MD5.
Skip the call to additional command WRITE_SA during SA creation.
Instead use the software defined function to generate opad and ipad.

Signed-off-by: Vidya Sagar Velumuri <vvelumuri@marvell.com>
This commit is contained in:
Vidya Sagar Velumuri 2022-10-20 16:44:48 +05:30 committed by Akhil Goyal
parent 379bc7f43f
commit 729085b508
10 changed files with 178 additions and 150 deletions

View File

@ -28,6 +28,10 @@ ipsec_hmac_opad_ipad_gen(struct rte_crypto_sym_xform *auth_xform,
* per packet computation
*/
switch (auth_xform->auth.algo) {
case RTE_CRYPTO_AUTH_MD5_HMAC:
roc_hash_md5_gen(opad, (uint32_t *)&hmac_opad_ipad[0]);
roc_hash_md5_gen(ipad, (uint32_t *)&hmac_opad_ipad[24]);
break;
case RTE_CRYPTO_AUTH_SHA1_HMAC:
roc_hash_sha1_gen(opad, (uint32_t *)&hmac_opad_ipad[0]);
roc_hash_sha1_gen(ipad, (uint32_t *)&hmac_opad_ipad[24]);
@ -1218,9 +1222,7 @@ cnxk_on_ipsec_outb_sa_create(struct rte_security_ipsec_xform *ipsec,
struct roc_ie_on_sa_ctl *ctl;
struct rte_ipv6_hdr *ip6;
struct rte_ipv4_hdr *ip4;
const uint8_t *auth_key;
uint16_t sport, dport;
int auth_key_len = 0;
size_t ctx_len;
int ret;
@ -1345,29 +1347,14 @@ cnxk_on_ipsec_outb_sa_create(struct rte_security_ipsec_xform *ipsec,
ctx_len += RTE_ALIGN_CEIL(ctx_len, 8);
if (crypto_xform->type != RTE_CRYPTO_SYM_XFORM_AEAD) {
auth_key = auth_xform->auth.key.data;
auth_key_len = auth_xform->auth.key.length;
uint8_t *hmac_opad_ipad = (uint8_t *)&out_sa->sha2;
switch (auth_xform->auth.algo) {
case RTE_CRYPTO_AUTH_AES_GMAC:
case RTE_CRYPTO_AUTH_NULL:
break;
case RTE_CRYPTO_AUTH_MD5_HMAC:
case RTE_CRYPTO_AUTH_SHA1_HMAC:
memcpy(out_sa->sha1.hmac_key, auth_key, auth_key_len);
break;
case RTE_CRYPTO_AUTH_SHA256_HMAC:
case RTE_CRYPTO_AUTH_SHA384_HMAC:
case RTE_CRYPTO_AUTH_SHA512_HMAC:
memcpy(out_sa->sha2.hmac_key, auth_key, auth_key_len);
break;
case RTE_CRYPTO_AUTH_AES_XCBC_MAC:
memcpy(out_sa->aes_xcbc.key, auth_key, auth_key_len);
break;
default:
plt_err("Unsupported auth algorithm %u",
auth_xform->auth.algo);
return -ENOTSUP;
if (auth_xform->auth.algo == RTE_CRYPTO_AUTH_AES_XCBC_MAC) {
const uint8_t *auth_key = auth_xform->auth.key.data;
roc_aes_xcbc_key_derive(auth_key, hmac_opad_ipad);
} else if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_NULL) {
ipsec_hmac_opad_ipad_gen(auth_xform, hmac_opad_ipad);
}
}
@ -1392,9 +1379,9 @@ cnxk_on_ipsec_inb_sa_create(struct rte_security_ipsec_xform *ipsec,
if (crypto_xform->type == RTE_CRYPTO_SYM_XFORM_AEAD ||
auth_xform->auth.algo == RTE_CRYPTO_AUTH_NULL ||
auth_xform->auth.algo == RTE_CRYPTO_AUTH_AES_GMAC) {
ctx_len = offsetof(struct roc_ie_on_inb_sa,
sha1_or_gcm.hmac_key[0]);
ctx_len = offsetof(struct roc_ie_on_inb_sa, sha1_or_gcm.hmac_key[0]);
} else {
uint8_t *hmac_opad_ipad = (uint8_t *)&in_sa->sha2;
auth_key = auth_xform->auth.key.data;
auth_key_len = auth_xform->auth.key.length;
@ -1421,10 +1408,16 @@ cnxk_on_ipsec_inb_sa_create(struct rte_security_ipsec_xform *ipsec,
aes_xcbc.selector);
break;
default:
plt_err("Unsupported auth algorithm %u",
auth_xform->auth.algo);
plt_err("Unsupported auth algorithm %u", auth_xform->auth.algo);
return -ENOTSUP;
}
if (auth_xform->auth.algo == RTE_CRYPTO_AUTH_AES_XCBC_MAC) {
const uint8_t *auth_key = auth_xform->auth.key.data;
roc_aes_xcbc_key_derive(auth_key, hmac_opad_ipad);
} else if (auth_xform->auth.algo != RTE_CRYPTO_AUTH_NULL) {
ipsec_hmac_opad_ipad_gen(auth_xform, hmac_opad_ipad);
}
}
return ctx_len;

View File

@ -1079,98 +1079,3 @@ roc_cpt_ctx_write(struct roc_cpt_lf *lf, void *sa_dptr, void *sa_cptr,
return 0;
}
int
roc_on_cpt_ctx_write(struct roc_cpt_lf *lf, uint64_t sa, bool inb,
uint16_t ctx_len, uint8_t egrp)
{
union cpt_res_s res, *hw_res;
struct cpt_inst_s inst;
uint64_t lmt_status;
int ret = 0;
hw_res = plt_zmalloc(sizeof(*hw_res), ROC_CPT_RES_ALIGN);
if (unlikely(hw_res == NULL)) {
plt_err("Couldn't allocate memory for result address");
return -ENOMEM;
}
hw_res->cn9k.compcode = CPT_COMP_NOT_DONE;
inst.w4.s.opcode_major = ROC_IE_ON_MAJOR_OP_WRITE_IPSEC_OUTBOUND;
if (inb)
inst.w4.s.opcode_major = ROC_IE_ON_MAJOR_OP_WRITE_IPSEC_INBOUND;
inst.w4.s.opcode_minor = ctx_len >> 3;
inst.w4.s.param1 = 0;
inst.w4.s.param2 = 0;
inst.w4.s.dlen = ctx_len;
inst.dptr = sa;
inst.rptr = 0;
inst.w7.s.cptr = sa;
inst.w7.s.egrp = egrp;
inst.w0.u64 = 0;
inst.w2.u64 = 0;
inst.w3.u64 = 0;
inst.res_addr = (uintptr_t)hw_res;
plt_io_wmb();
do {
/* Copy CPT command to LMTLINE */
roc_lmt_mov64((void *)lf->lmt_base, &inst);
lmt_status = roc_lmt_submit_ldeor(lf->io_addr);
} while (lmt_status == 0);
const uint64_t timeout = plt_tsc_cycles() + 60 * plt_tsc_hz();
/* Wait until CPT instruction completes */
do {
res.u64[0] = __atomic_load_n(&hw_res->u64[0], __ATOMIC_RELAXED);
if (unlikely(plt_tsc_cycles() > timeout)) {
plt_err("Request timed out");
ret = -ETIMEDOUT;
goto free;
}
} while (res.cn9k.compcode == CPT_COMP_NOT_DONE);
if (unlikely(res.cn9k.compcode != CPT_COMP_GOOD)) {
ret = res.cn9k.compcode;
switch (ret) {
case CPT_COMP_INSTERR:
plt_err("Request failed with instruction error");
break;
case CPT_COMP_FAULT:
plt_err("Request failed with DMA fault");
break;
case CPT_COMP_HWERR:
plt_err("Request failed with hardware error");
break;
default:
plt_err("Request failed with unknown hardware completion code : 0x%x",
ret);
}
ret = -EINVAL;
goto free;
}
if (unlikely(res.cn9k.uc_compcode != ROC_IE_ON_UCC_SUCCESS)) {
ret = res.cn9k.uc_compcode;
switch (ret) {
case ROC_IE_ON_AUTH_UNSUPPORTED:
plt_err("Invalid auth type");
break;
case ROC_IE_ON_ENCRYPT_UNSUPPORTED:
plt_err("Invalid encrypt type");
break;
default:
plt_err("Request failed with unknown microcode completion code : 0x%x",
ret);
}
ret = -ENOTSUP;
}
free:
plt_free(hw_res);
return ret;
}

View File

@ -174,7 +174,4 @@ int __roc_api roc_cpt_lmtline_init(struct roc_cpt *roc_cpt,
void __roc_api roc_cpt_parse_hdr_dump(const struct cpt_parse_hdr_s *cpth);
int __roc_api roc_cpt_ctx_write(struct roc_cpt_lf *lf, void *sa_dptr,
void *sa_cptr, uint16_t sa_len);
int __roc_api roc_on_cpt_ctx_write(struct roc_cpt_lf *lf, uint64_t sa, bool inb,
uint16_t ctx_len, uint8_t egrp);
#endif /* _ROC_CPT_H_ */

View File

@ -9,6 +9,161 @@
#define lrot64(bits, word) (((word) << (bits)) | ((word) >> (64 - (bits))))
#define rrot64(bits, word) lrot64(64 - (bits), word)
#define S11 7
#define S12 12
#define S13 17
#define S14 22
#define S21 5
#define S22 9
#define S23 14
#define S24 20
#define S31 4
#define S32 11
#define S33 16
#define S34 23
#define S41 6
#define S42 10
#define S43 15
#define S44 21
#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
#define H(x, y, z) ((x) ^ (y) ^ (z))
#define I(x, y, z) ((y) ^ ((x) | (~z)))
#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32 - (n))))
/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
* Rotation is separate from addition to prevent recomputation.
*/
#define FF(a, b, c, d, x, s, ac) \
{ \
(a) += F((b), (c), (d)) + (x) + (uint32_t)(ac); \
(a) = ROTATE_LEFT((a), (s)); \
(a) += (b); \
}
#define GG(a, b, c, d, x, s, ac) \
{ \
(a) += G((b), (c), (d)) + (x) + (uint32_t)(ac); \
(a) = ROTATE_LEFT((a), (s)); \
(a) += (b); \
}
#define HH(a, b, c, d, x, s, ac) \
{ \
(a) += H((b), (c), (d)) + (x) + (uint32_t)(ac); \
(a) = ROTATE_LEFT((a), (s)); \
(a) += (b); \
}
#define II(a, b, c, d, x, s, ac) \
{ \
(a) += I((b), (c), (d)) + (x) + (uint32_t)(ac); \
(a) = ROTATE_LEFT((a), (s)); \
(a) += (b); \
}
/*
* Compute a partial hash with the assumption that msg is the first block.
* Based on implementation from RFC 1321
*/
void
roc_hash_md5_gen(uint8_t *msg, uint32_t *hash)
{
uint32_t state[4] = {0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476};
uint32_t a = state[0];
uint32_t b = state[1];
uint32_t c = state[2];
uint32_t d = state[3];
uint32_t x[16];
memcpy(x, msg, 64);
/* Round 1 */
FF(a, b, c, d, x[0], S11, 0xd76aa478); /* 1 */
FF(d, a, b, c, x[1], S12, 0xe8c7b756); /* 2 */
FF(c, d, a, b, x[2], S13, 0x242070db); /* 3 */
FF(b, c, d, a, x[3], S14, 0xc1bdceee); /* 4 */
FF(a, b, c, d, x[4], S11, 0xf57c0faf); /* 5 */
FF(d, a, b, c, x[5], S12, 0x4787c62a); /* 6 */
FF(c, d, a, b, x[6], S13, 0xa8304613); /* 7 */
FF(b, c, d, a, x[7], S14, 0xfd469501); /* 8 */
FF(a, b, c, d, x[8], S11, 0x698098d8); /* 9 */
FF(d, a, b, c, x[9], S12, 0x8b44f7af); /* 10 */
FF(c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
FF(b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
FF(a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
FF(d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
FF(c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
FF(b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
/* Round 2 */
GG(a, b, c, d, x[1], S21, 0xf61e2562); /* 17 */
GG(d, a, b, c, x[6], S22, 0xc040b340); /* 18 */
GG(c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
GG(b, c, d, a, x[0], S24, 0xe9b6c7aa); /* 20 */
GG(a, b, c, d, x[5], S21, 0xd62f105d); /* 21 */
GG(d, a, b, c, x[10], S22, 0x2441453); /* 22 */
GG(c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
GG(b, c, d, a, x[4], S24, 0xe7d3fbc8); /* 24 */
GG(a, b, c, d, x[9], S21, 0x21e1cde6); /* 25 */
GG(d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
GG(c, d, a, b, x[3], S23, 0xf4d50d87); /* 27 */
GG(b, c, d, a, x[8], S24, 0x455a14ed); /* 28 */
GG(a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
GG(d, a, b, c, x[2], S22, 0xfcefa3f8); /* 30 */
GG(c, d, a, b, x[7], S23, 0x676f02d9); /* 31 */
GG(b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
/* Round 3 */
HH(a, b, c, d, x[5], S31, 0xfffa3942); /* 33 */
HH(d, a, b, c, x[8], S32, 0x8771f681); /* 34 */
HH(c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
HH(b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
HH(a, b, c, d, x[1], S31, 0xa4beea44); /* 37 */
HH(d, a, b, c, x[4], S32, 0x4bdecfa9); /* 38 */
HH(c, d, a, b, x[7], S33, 0xf6bb4b60); /* 39 */
HH(b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
HH(a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
HH(d, a, b, c, x[0], S32, 0xeaa127fa); /* 42 */
HH(c, d, a, b, x[3], S33, 0xd4ef3085); /* 43 */
HH(b, c, d, a, x[6], S34, 0x4881d05); /* 44 */
HH(a, b, c, d, x[9], S31, 0xd9d4d039); /* 45 */
HH(d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
HH(c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
HH(b, c, d, a, x[2], S34, 0xc4ac5665); /* 48 */
/* Round 4 */
II(a, b, c, d, x[0], S41, 0xf4292244); /* 49 */
II(d, a, b, c, x[7], S42, 0x432aff97); /* 50 */
II(c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
II(b, c, d, a, x[5], S44, 0xfc93a039); /* 52 */
II(a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
II(d, a, b, c, x[3], S42, 0x8f0ccc92); /* 54 */
II(c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
II(b, c, d, a, x[1], S44, 0x85845dd1); /* 56 */
II(a, b, c, d, x[8], S41, 0x6fa87e4f); /* 57 */
II(d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
II(c, d, a, b, x[6], S43, 0xa3014314); /* 59 */
II(b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
II(a, b, c, d, x[4], S41, 0xf7537e82); /* 61 */
II(d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
II(c, d, a, b, x[2], S43, 0x2ad7d2bb); /* 63 */
II(b, c, d, a, x[9], S44, 0xeb86d391); /* 64 */
state[0] += a;
state[1] += b;
state[2] += c;
state[3] += d;
hash[0] = state[0];
hash[1] = state[1];
hash[2] = state[2];
hash[3] = state[3];
}
/*
* Compute a partial hash with the assumption that msg is the first block.
* Based on implementation from RFC 3174

View File

@ -9,6 +9,7 @@
* Compute a partial hash with the assumption that msg is the first block.
* Based on implementation from RFC 3174
*/
void __roc_api roc_hash_md5_gen(uint8_t *msg, uint32_t *hash);
void __roc_api roc_hash_sha1_gen(uint8_t *msg, uint32_t *hash);
void __roc_api roc_hash_sha256_gen(uint8_t *msg, uint32_t *hash);
void __roc_api roc_hash_sha512_gen(uint8_t *msg, uint64_t *hash, int hash_size);

View File

@ -8,8 +8,6 @@
/* CN9K IPsec LA */
/* CN9K IPsec LA opcodes */
#define ROC_IE_ON_MAJOR_OP_WRITE_IPSEC_OUTBOUND 0x20
#define ROC_IE_ON_MAJOR_OP_WRITE_IPSEC_INBOUND 0x21
#define ROC_IE_ON_MAJOR_OP_PROCESS_OUTBOUND_IPSEC 0x23
#define ROC_IE_ON_MAJOR_OP_PROCESS_INBOUND_IPSEC 0x24

View File

@ -1311,12 +1311,6 @@ roc_nix_inl_ctx_write(struct roc_nix *roc_nix, void *sa_dptr, void *sa_cptr,
/* Nothing much to do on cn9k */
if (roc_model_is_cn9k()) {
nix = roc_nix_to_nix_priv(roc_nix);
outb_lf = nix->cpt_lf_base;
rc = roc_on_cpt_ctx_write(outb_lf, (uint64_t)sa_dptr, inb,
sa_len, ROC_CPT_DFLT_ENG_GRP_SE_IE);
if (rc)
return rc;
return 0;
}

View File

@ -78,13 +78,13 @@ INTERNAL {
roc_cpt_parse_hdr_dump;
roc_cpt_rxc_time_cfg;
roc_cpt_ctx_write;
roc_on_cpt_ctx_write;
roc_dpi_configure;
roc_dpi_dev_fini;
roc_dpi_dev_init;
roc_dpi_disable;
roc_dpi_enable;
roc_error_msg_get;
roc_hash_md5_gen;
roc_hash_sha1_gen;
roc_hash_sha256_gen;
roc_hash_sha512_gen;

View File

@ -81,10 +81,6 @@ cn9k_ipsec_outb_sa_create(struct cnxk_cpt_qp *qp,
ctx_len = ret;
egrp = roc_cpt->eng_grp[CPT_ENG_TYPE_IE];
ret = roc_on_cpt_ctx_write(&qp->lf, (uintptr_t)sa, false, ctx_len, egrp);
if (ret)
return ret;
w4.u64 = 0;
w4.s.opcode_major = ROC_IE_ON_MAJOR_OP_PROCESS_OUTBOUND_IPSEC | ROC_IE_ON_INPLACE_BIT;
@ -169,9 +165,6 @@ cn9k_ipsec_inb_sa_create(struct cnxk_cpt_qp *qp,
ctx_len = ret;
egrp = roc_cpt->eng_grp[CPT_ENG_TYPE_IE];
ret = roc_on_cpt_ctx_write(&qp->lf, (uint64_t)sa, true, ctx_len, egrp);
if (ret)
return ret;
w4.u64 = 0;
w4.s.opcode_major = ROC_IE_ON_MAJOR_OP_PROCESS_INBOUND_IPSEC | ROC_IE_ON_INPLACE_BIT;

View File

@ -600,14 +600,6 @@ cn9k_eth_sec_session_create(void *device,
}
ctx_len = rc;
rc = roc_nix_inl_ctx_write(&dev->nix, inb_sa, inb_sa, inbound,
ctx_len);
if (rc) {
snprintf(tbuf, sizeof(tbuf),
"Failed to create inbound sa, rc=%d", rc);
goto err;
}
inb_priv = roc_nix_inl_on_ipsec_inb_sa_sw_rsvd(inb_sa);
/* Back pointer to get eth_sec */
inb_priv->eth_sec = eth_sec;