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authorFan Zhang <roy.fan.zhang@intel.com>2020-04-29 14:00:03 +0100
committerDamjan Marion <dmarion@me.com>2020-04-30 14:38:33 +0000
commitf539578bac8b64886b57c460c9d74273e6613f8b (patch)
tree190e09705fe1ebb46ca86a48c19de49fcaf0cbb0 /src/vnet/ipsec/ipsec_sa.c
parent162330f25aeec09694fffaaa31ba9b318620eb9c (diff)
crypto: introduce async crypto infra
Type: feature Signed-off-by: Damjan Marion <damarion@cisco.com> Signed-off-by: Filip Tehlar <ftehlar@cisco.com> Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com> Signed-off-by: Piotr Bronowski <piotrx.bronowski@intel.com> Signed-off-by: Dariusz Kazimierski <dariuszx.kazimierski@intel.com> Signed-off-by: Piotr Kleski <piotrx.kleski@intel.com> Change-Id: I4c3fcccf55c36842b7b48aed260fef2802b5c54b
Diffstat (limited to 'src/vnet/ipsec/ipsec_sa.c')
-rw-r--r--src/vnet/ipsec/ipsec_sa.c64
1 files changed, 61 insertions, 3 deletions
diff --git a/src/vnet/ipsec/ipsec_sa.c b/src/vnet/ipsec/ipsec_sa.c
index 0e1e63d0db4..f60566cba79 100644
--- a/src/vnet/ipsec/ipsec_sa.c
+++ b/src/vnet/ipsec/ipsec_sa.c
@@ -100,8 +100,8 @@ ipsec_sa_set_crypto_alg (ipsec_sa_t * sa, ipsec_crypto_alg_t crypto_alg)
sa->crypto_alg = crypto_alg;
sa->crypto_iv_size = im->crypto_algs[crypto_alg].iv_size;
sa->crypto_block_size = im->crypto_algs[crypto_alg].block_size;
- sa->crypto_enc_op_id = im->crypto_algs[crypto_alg].enc_op_id;
- sa->crypto_dec_op_id = im->crypto_algs[crypto_alg].dec_op_id;
+ sa->sync_op_data.crypto_enc_op_id = im->crypto_algs[crypto_alg].enc_op_id;
+ sa->sync_op_data.crypto_dec_op_id = im->crypto_algs[crypto_alg].dec_op_id;
sa->crypto_calg = im->crypto_algs[crypto_alg].alg;
ASSERT (sa->crypto_iv_size <= ESP_MAX_IV_SIZE);
ASSERT (sa->crypto_block_size <= ESP_MAX_BLOCK_SIZE);
@@ -118,11 +118,54 @@ ipsec_sa_set_integ_alg (ipsec_sa_t * sa, ipsec_integ_alg_t integ_alg)
ipsec_main_t *im = &ipsec_main;
sa->integ_alg = integ_alg;
sa->integ_icv_size = im->integ_algs[integ_alg].icv_size;
- sa->integ_op_id = im->integ_algs[integ_alg].op_id;
+ sa->sync_op_data.integ_op_id = im->integ_algs[integ_alg].op_id;
sa->integ_calg = im->integ_algs[integ_alg].alg;
ASSERT (sa->integ_icv_size <= ESP_MAX_ICV_SIZE);
}
+void
+ipsec_sa_set_async_op_ids (ipsec_sa_t * sa)
+{
+ /* *INDENT-OFF* */
+ if (ipsec_sa_is_set_USE_ESN (sa))
+ {
+#define _(n, s, k) \
+ if( sa->sync_op_data.crypto_enc_op_id == VNET_CRYPTO_OP_##n##_ENC ) \
+ sa->async_op_data.crypto_async_enc_op_id = \
+ VNET_CRYPTO_OP_##n##_TAG16_AAD12_ENC; \
+ if( sa->sync_op_data.crypto_dec_op_id == VNET_CRYPTO_OP_##n##_DEC ) \
+ sa->async_op_data.crypto_async_dec_op_id = \
+ VNET_CRYPTO_OP_##n##_TAG16_AAD12_DEC;
+ foreach_crypto_aead_alg
+#undef _
+ }
+ else
+ {
+#define _(n, s, k) \
+ if( sa->sync_op_data.crypto_enc_op_id == VNET_CRYPTO_OP_##n##_ENC ) \
+ sa->async_op_data.crypto_async_enc_op_id = \
+ VNET_CRYPTO_OP_##n##_TAG16_AAD8_ENC; \
+ if( sa->sync_op_data.crypto_dec_op_id == VNET_CRYPTO_OP_##n##_DEC ) \
+ sa->async_op_data.crypto_async_dec_op_id = \
+ VNET_CRYPTO_OP_##n##_TAG16_AAD8_DEC;
+ foreach_crypto_aead_alg
+#undef _
+ }
+
+#define _(c, h, s, k ,d) \
+ if( sa->sync_op_data.crypto_enc_op_id == VNET_CRYPTO_OP_##c##_ENC && \
+ sa->sync_op_data.integ_op_id == VNET_CRYPTO_OP_##h##_HMAC) \
+ sa->async_op_data.crypto_async_enc_op_id = \
+ VNET_CRYPTO_OP_##c##_##h##_TAG##d##_ENC; \
+ if( sa->sync_op_data.crypto_dec_op_id == VNET_CRYPTO_OP_##c##_DEC && \
+ sa->sync_op_data.integ_op_id == VNET_CRYPTO_OP_##h##_HMAC) \
+ sa->async_op_data.crypto_async_dec_op_id = \
+ VNET_CRYPTO_OP_##c##_##h##_TAG##d##_DEC;
+ foreach_crypto_link_async_alg
+#undef _
+ /* *INDENT-ON* */
+}
+
int
ipsec_sa_add_and_lock (u32 id,
u32 spi,
@@ -172,6 +215,8 @@ ipsec_sa_add_and_lock (u32 id,
clib_memcpy (&sa->integ_key, ik, sizeof (sa->integ_key));
}
ipsec_sa_set_crypto_alg (sa, crypto_alg);
+ ipsec_sa_set_async_op_ids (sa);
+
clib_memcpy (&sa->crypto_key, ck, sizeof (sa->crypto_key));
ip46_address_copy (&sa->tunnel_src_addr, tun_src);
ip46_address_copy (&sa->tunnel_dst_addr, tun_dst);
@@ -198,6 +243,19 @@ ipsec_sa_add_and_lock (u32 id,
}
}
+ if (sa->async_op_data.crypto_async_enc_op_id &&
+ !ipsec_sa_is_set_IS_AEAD (sa))
+ { //AES-CBC & HMAC
+ sa->async_op_data.linked_key_index =
+ vnet_crypto_key_add_linked (vm, sa->crypto_key_index,
+ sa->integ_key_index);
+ }
+
+ if (im->async_mode)
+ sa->crypto_op_data = sa->async_op_data.data;
+ else
+ sa->crypto_op_data = sa->sync_op_data.data;
+
err = ipsec_check_support_cb (im, sa);
if (err)
{