crypto: add support for AEAD and AES-GCM

Change-Id: Iff6f81a49b9cff5522fbb4914d47472423eac5db
Signed-off-by: Damjan Marion <damarion@cisco.com>

7 files changed, 39 insertions, 41 deletions

diff --git a/src/vnet/ipsec/esp.h b/src/vnet/ipsec/esp.h
index b6942fadf97..4b67eb2134b 100644
--- a/src/vnet/ipsec/esp.h
+++ b/src/vnet/ipsec/esp.h
@@ -94,16 +94,16 @@ hmac_calc (vlib_main_t * vm, ipsec_sa_t * sa, u8 * data, int data_len,
 {
   vnet_crypto_op_t _op, *op = &_op;
 
-  if (PREDICT_FALSE (sa->integ_op_type == 0))
+  if (PREDICT_FALSE (sa->integ_op_id == 0))
     return 0;
 
-  vnet_crypto_op_init (op, sa->integ_op_type);
+  vnet_crypto_op_init (op, sa->integ_op_id);
   op->key = sa->integ_key.data;
   op->key_len = sa->integ_key.len;
   op->src = data;
   op->len = data_len;
-  op->dst = signature;
-  op->hmac_trunc_len = sa->integ_icv_size;
+  op->digest = signature;
+  op->digest_len = sa->integ_icv_size;
 
   if (ipsec_sa_is_set_USE_ESN (sa))
     {
diff --git a/src/vnet/ipsec/esp_decrypt.c b/src/vnet/ipsec/esp_decrypt.c
index 7737d186865..9b24e5aaeaa 100644
--- a/src/vnet/ipsec/esp_decrypt.c
+++ b/src/vnet/ipsec/esp_decrypt.c
@@ -202,14 +202,14 @@ esp_decrypt_inline (vlib_main_t * vm,
 	  vnet_crypto_op_t *op;
 	  vec_add2_aligned (ptd->integ_ops, op, 1, CLIB_CACHE_LINE_BYTES);
 
-	  vnet_crypto_op_init (op, sa0->integ_op_type);
+	  vnet_crypto_op_init (op, sa0->integ_op_id);
 	  op->key = sa0->integ_key.data;
 	  op->key_len = sa0->integ_key.len;
 	  op->src = payload;
-	  op->hmac_trunc_len = cpd.icv_sz;
 	  op->flags = VNET_CRYPTO_OP_FLAG_HMAC_CHECK;
 	  op->user_data = b - bufs;
-	  op->dst = payload + len;
+	  op->digest = payload + len;
+	  op->digest_len = cpd.icv_sz;
 	  op->len = len;
 	  if (PREDICT_TRUE (sa0->flags & IPSEC_SA_FLAG_USE_ESN))
 	    {
@@ -226,11 +226,11 @@ esp_decrypt_inline (vlib_main_t * vm,
       payload += esp_sz;
       len -= esp_sz;
 
-      if (sa0->crypto_enc_op_type != VNET_CRYPTO_OP_NONE)
+      if (sa0->crypto_enc_op_id != VNET_CRYPTO_OP_NONE)
 	{
 	  vnet_crypto_op_t *op;
 	  vec_add2_aligned (ptd->crypto_ops, op, 1, CLIB_CACHE_LINE_BYTES);
-	  vnet_crypto_op_init (op, sa0->crypto_dec_op_type);
+	  vnet_crypto_op_init (op, sa0->crypto_dec_op_id);
 	  op->key = sa0->crypto_key.data;
 	  op->iv = payload;
 	  op->src = op->dst = payload += cpd.iv_sz;
@@ -271,7 +271,6 @@ esp_decrypt_inline (vlib_main_t * vm,
 	  op++;
 	}
     }
-
   if ((n = vec_len (ptd->crypto_ops)))
     {
       vnet_crypto_op_t *op = ptd->crypto_ops;
diff --git a/src/vnet/ipsec/esp_encrypt.c b/src/vnet/ipsec/esp_encrypt.c
index 29e27d4488c..bb1effda68b 100644
--- a/src/vnet/ipsec/esp_encrypt.c
+++ b/src/vnet/ipsec/esp_encrypt.c
@@ -425,11 +425,11 @@ esp_encrypt_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
       esp->spi = spi;
       esp->seq = clib_net_to_host_u32 (sa0->seq);
 
-      if (sa0->crypto_enc_op_type)
+      if (sa0->crypto_enc_op_id)
 	{
 	  vnet_crypto_op_t *op;
 	  vec_add2_aligned (ptd->crypto_ops, op, 1, CLIB_CACHE_LINE_BYTES);
-	  vnet_crypto_op_init (op, sa0->crypto_enc_op_type);
+	  vnet_crypto_op_init (op, sa0->crypto_enc_op_id);
 	  op->iv = payload - iv_sz;
 	  op->src = op->dst = payload;
 	  op->key = sa0->crypto_key.data;
@@ -438,16 +438,16 @@ esp_encrypt_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
 	  op->user_data = b - bufs;
 	}
 
-      if (sa0->integ_op_type)
+      if (sa0->integ_op_id)
 	{
 	  vnet_crypto_op_t *op;
 	  vec_add2_aligned (ptd->integ_ops, op, 1, CLIB_CACHE_LINE_BYTES);
-	  vnet_crypto_op_init (op, sa0->integ_op_type);
+	  vnet_crypto_op_init (op, sa0->integ_op_id);
 	  op->src = payload - iv_sz - sizeof (esp_header_t);
-	  op->dst = payload + payload_len - icv_sz;
+	  op->digest = payload + payload_len - icv_sz;
 	  op->key = sa0->integ_key.data;
 	  op->key_len = sa0->integ_key.len;
-	  op->hmac_trunc_len = icv_sz;
+	  op->digest_len = icv_sz;
 	  op->len = payload_len - icv_sz + iv_sz + sizeof (esp_header_t);
 	  op->user_data = b - bufs;
 	  if (ipsec_sa_is_set_USE_ESN (sa0))
@@ -484,7 +484,6 @@ esp_encrypt_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
   vlib_increment_combined_counter (&ipsec_sa_counters, thread_index,
 				   current_sa_index, current_sa_packets,
 				   current_sa_bytes);
-
   esp_process_ops (vm, node, ptd->crypto_ops, bufs, nexts);
   esp_process_ops (vm, node, ptd->integ_ops, bufs, nexts);
 
diff --git a/src/vnet/ipsec/ipsec.c b/src/vnet/ipsec/ipsec.c
index 9719d3a2d09..dc2f4cdbb60 100644
--- a/src/vnet/ipsec/ipsec.c
+++ b/src/vnet/ipsec/ipsec.c
@@ -269,51 +269,51 @@ ipsec_init (vlib_main_t * vm)
   vec_validate (im->crypto_algs, IPSEC_CRYPTO_N_ALG - 1);
 
   a = im->crypto_algs + IPSEC_CRYPTO_ALG_DES_CBC;
-  a->enc_op_type = VNET_CRYPTO_OP_DES_CBC_ENC;
-  a->dec_op_type = VNET_CRYPTO_OP_DES_CBC_DEC;
+  a->enc_op_id = VNET_CRYPTO_OP_DES_CBC_ENC;
+  a->dec_op_id = VNET_CRYPTO_OP_DES_CBC_DEC;
   a->iv_size = a->block_size = 8;
 
   a = im->crypto_algs + IPSEC_CRYPTO_ALG_3DES_CBC;
-  a->enc_op_type = VNET_CRYPTO_OP_3DES_CBC_ENC;
-  a->dec_op_type = VNET_CRYPTO_OP_3DES_CBC_DEC;
+  a->enc_op_id = VNET_CRYPTO_OP_3DES_CBC_ENC;
+  a->dec_op_id = VNET_CRYPTO_OP_3DES_CBC_DEC;
   a->iv_size = a->block_size = 8;
 
   a = im->crypto_algs + IPSEC_CRYPTO_ALG_AES_CBC_128;
-  a->enc_op_type = VNET_CRYPTO_OP_AES_128_CBC_ENC;
-  a->dec_op_type = VNET_CRYPTO_OP_AES_128_CBC_DEC;
+  a->enc_op_id = VNET_CRYPTO_OP_AES_128_CBC_ENC;
+  a->dec_op_id = VNET_CRYPTO_OP_AES_128_CBC_DEC;
   a->iv_size = a->block_size = 16;
 
   a = im->crypto_algs + IPSEC_CRYPTO_ALG_AES_CBC_192;
-  a->enc_op_type = VNET_CRYPTO_OP_AES_192_CBC_ENC;
-  a->dec_op_type = VNET_CRYPTO_OP_AES_192_CBC_DEC;
+  a->enc_op_id = VNET_CRYPTO_OP_AES_192_CBC_ENC;
+  a->dec_op_id = VNET_CRYPTO_OP_AES_192_CBC_DEC;
   a->iv_size = a->block_size = 16;
 
   a = im->crypto_algs + IPSEC_CRYPTO_ALG_AES_CBC_256;
-  a->enc_op_type = VNET_CRYPTO_OP_AES_256_CBC_ENC;
-  a->dec_op_type = VNET_CRYPTO_OP_AES_256_CBC_DEC;
+  a->enc_op_id = VNET_CRYPTO_OP_AES_256_CBC_ENC;
+  a->dec_op_id = VNET_CRYPTO_OP_AES_256_CBC_DEC;
   a->iv_size = a->block_size = 16;
 
   vec_validate (im->integ_algs, IPSEC_INTEG_N_ALG - 1);
   ipsec_main_integ_alg_t *i;
 
   i = &im->integ_algs[IPSEC_INTEG_ALG_SHA1_96];
-  i->op_type = VNET_CRYPTO_OP_SHA1_HMAC;
+  i->op_id = VNET_CRYPTO_OP_SHA1_HMAC;
   i->icv_size = 12;
 
   i = &im->integ_algs[IPSEC_INTEG_ALG_SHA_256_96];
-  i->op_type = VNET_CRYPTO_OP_SHA1_HMAC;
+  i->op_id = VNET_CRYPTO_OP_SHA1_HMAC;
   i->icv_size = 12;
 
   i = &im->integ_algs[IPSEC_INTEG_ALG_SHA_256_128];
-  i->op_type = VNET_CRYPTO_OP_SHA256_HMAC;
+  i->op_id = VNET_CRYPTO_OP_SHA256_HMAC;
   i->icv_size = 16;
 
   i = &im->integ_algs[IPSEC_INTEG_ALG_SHA_384_192];
-  i->op_type = VNET_CRYPTO_OP_SHA384_HMAC;
+  i->op_id = VNET_CRYPTO_OP_SHA384_HMAC;
   i->icv_size = 24;
 
   i = &im->integ_algs[IPSEC_INTEG_ALG_SHA_512_256];
-  i->op_type = VNET_CRYPTO_OP_SHA512_HMAC;
+  i->op_id = VNET_CRYPTO_OP_SHA512_HMAC;
   i->icv_size = 32;
 
   vec_validate_aligned (im->ptd, vlib_num_workers (), CLIB_CACHE_LINE_BYTES);
diff --git a/src/vnet/ipsec/ipsec.h b/src/vnet/ipsec/ipsec.h
index 821b7ed3107..b6332d672fb 100644
--- a/src/vnet/ipsec/ipsec.h
+++ b/src/vnet/ipsec/ipsec.h
@@ -66,15 +66,15 @@ typedef struct
 
 typedef struct
 {
-  vnet_crypto_op_type_t enc_op_type;
-  vnet_crypto_op_type_t dec_op_type;
+  vnet_crypto_op_id_t enc_op_id;
+  vnet_crypto_op_id_t dec_op_id;
   u8 iv_size;
   u8 block_size;
 } ipsec_main_crypto_alg_t;
 
 typedef struct
 {
-  vnet_crypto_op_type_t op_type;
+  vnet_crypto_op_id_t op_id;
   u8 icv_size;
 } ipsec_main_integ_alg_t;
 
diff --git a/src/vnet/ipsec/ipsec_sa.c b/src/vnet/ipsec/ipsec_sa.c
index 4d20566686d..af37b2e49cc 100644
--- a/src/vnet/ipsec/ipsec_sa.c
+++ b/src/vnet/ipsec/ipsec_sa.c
@@ -98,8 +98,8 @@ 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_type = im->crypto_algs[crypto_alg].enc_op_type;
-  sa->crypto_dec_op_type = im->crypto_algs[crypto_alg].dec_op_type;
+  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;
   ASSERT (sa->crypto_iv_size <= ESP_MAX_IV_SIZE);
   ASSERT (sa->crypto_block_size <= ESP_MAX_BLOCK_SIZE);
 }
@@ -110,7 +110,7 @@ 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_type = im->integ_algs[integ_alg].op_type;
+  sa->integ_op_id = im->integ_algs[integ_alg].op_id;
   ASSERT (sa->integ_icv_size <= ESP_MAX_ICV_SIZE);
 }
 
diff --git a/src/vnet/ipsec/ipsec_sa.h b/src/vnet/ipsec/ipsec_sa.h
index 12700ccaa39..72a592984f6 100644
--- a/src/vnet/ipsec/ipsec_sa.h
+++ b/src/vnet/ipsec/ipsec_sa.h
@@ -119,9 +119,9 @@ typedef struct
   u32 last_seq_hi;
   u64 replay_window;
 
-  vnet_crypto_op_type_t crypto_enc_op_type;
-  vnet_crypto_op_type_t crypto_dec_op_type;
-  vnet_crypto_op_type_t integ_op_type;
+  vnet_crypto_op_id_t crypto_enc_op_id;
+  vnet_crypto_op_id_t crypto_dec_op_id;
+  vnet_crypto_op_id_t integ_op_id;
 
   dpo_id_t dpo[IPSEC_N_PROTOCOLS];