X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fipsec%2Fesp.h;h=17300383e16a3e4654fb66d43bc6875ba68aa839;hb=91f17dc7c4e79343b8fba924e7cea6380a0e6653;hp=d9ab1d855a8761f4c7ad291ec0889b6dfb98f155;hpb=f616d10d04d5c444e20e617841a54cfb2c58d07d;p=vpp.git

diff --git a/src/vnet/ipsec/esp.h b/src/vnet/ipsec/esp.h
index d9ab1d855a8..17300383e16 100644
--- a/src/vnet/ipsec/esp.h
+++ b/src/vnet/ipsec/esp.h
@@ -16,12 +16,9 @@
 #define __ESP_H__
 
 #include <vnet/ip/ip.h>
+#include <vnet/crypto/crypto.h>
 #include <vnet/ipsec/ipsec.h>
 
-#include <openssl/hmac.h>
-#include <openssl/rand.h>
-#include <openssl/evp.h>
-
 typedef struct
 {
   u32 spi;
@@ -42,6 +39,14 @@ typedef CLIB_PACKED (struct {
 }) ip4_and_esp_header_t;
 /* *INDENT-ON* */
 
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+  ip4_header_t ip4;
+  udp_header_t udp;
+  esp_header_t esp;
+}) ip4_and_udp_and_esp_header_t;
+/* *INDENT-ON* */
+
 /* *INDENT-OFF* */
 typedef CLIB_PACKED (struct {
   ip6_header_t ip6;
@@ -49,51 +54,6 @@ typedef CLIB_PACKED (struct {
 }) ip6_and_esp_header_t;
 /* *INDENT-ON* */
 
-typedef struct
-{
-  const EVP_CIPHER *type;
-} esp_crypto_alg_t;
-
-typedef struct
-{
-  const EVP_MD *md;
-  u8 trunc_size;
-} esp_integ_alg_t;
-
-typedef struct
-{
-  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L
-  EVP_CIPHER_CTX *encrypt_ctx;
-#else
-  EVP_CIPHER_CTX encrypt_ctx;
-#endif
-    CLIB_CACHE_LINE_ALIGN_MARK (cacheline1);
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L
-  EVP_CIPHER_CTX *decrypt_ctx;
-#else
-  EVP_CIPHER_CTX decrypt_ctx;
-#endif
-    CLIB_CACHE_LINE_ALIGN_MARK (cacheline2);
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L
-  HMAC_CTX *hmac_ctx;
-#else
-  HMAC_CTX hmac_ctx;
-#endif
-  ipsec_crypto_alg_t last_encrypt_alg;
-  ipsec_crypto_alg_t last_decrypt_alg;
-  ipsec_integ_alg_t last_integ_alg;
-} esp_main_per_thread_data_t;
-
-typedef struct
-{
-  esp_crypto_alg_t *esp_crypto_algs;
-  esp_integ_alg_t *esp_integ_algs;
-  esp_main_per_thread_data_t *per_thread_data;
-} esp_main_t;
-
-extern esp_main_t esp_main;
-
 #define ESP_WINDOW_SIZE		(64)
 #define ESP_SEQ_MAX 		(4294967295UL)
 
@@ -243,86 +203,25 @@ esp_seq_advance (ipsec_sa_t * sa)
   return 0;
 }
 
-always_inline void
-esp_init ()
-{
-  esp_main_t *em = &esp_main;
-  vlib_thread_main_t *tm = vlib_get_thread_main ();
-
-  memset (em, 0, sizeof (em[0]));
-
-  vec_validate (em->esp_crypto_algs, IPSEC_CRYPTO_N_ALG - 1);
-  em->esp_crypto_algs[IPSEC_CRYPTO_ALG_AES_CBC_128].type = EVP_aes_128_cbc ();
-  em->esp_crypto_algs[IPSEC_CRYPTO_ALG_AES_CBC_192].type = EVP_aes_192_cbc ();
-  em->esp_crypto_algs[IPSEC_CRYPTO_ALG_AES_CBC_256].type = EVP_aes_256_cbc ();
-
-  vec_validate (em->esp_integ_algs, IPSEC_INTEG_N_ALG - 1);
-  esp_integ_alg_t *i;
-
-  i = &em->esp_integ_algs[IPSEC_INTEG_ALG_SHA1_96];
-  i->md = EVP_sha1 ();
-  i->trunc_size = 12;
-
-  i = &em->esp_integ_algs[IPSEC_INTEG_ALG_SHA_256_96];
-  i->md = EVP_sha256 ();
-  i->trunc_size = 12;
-
-  i = &em->esp_integ_algs[IPSEC_INTEG_ALG_SHA_256_128];
-  i->md = EVP_sha256 ();
-  i->trunc_size = 16;
-
-  i = &em->esp_integ_algs[IPSEC_INTEG_ALG_SHA_384_192];
-  i->md = EVP_sha384 ();
-  i->trunc_size = 24;
-
-  i = &em->esp_integ_algs[IPSEC_INTEG_ALG_SHA_512_256];
-  i->md = EVP_sha512 ();
-  i->trunc_size = 32;
-
-  vec_validate_aligned (em->per_thread_data, tm->n_vlib_mains - 1,
-			CLIB_CACHE_LINE_BYTES);
-  int thread_id;
-
-  for (thread_id = 0; thread_id < tm->n_vlib_mains - 1; thread_id++)
-    {
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L
-      em->per_thread_data[thread_id].encrypt_ctx = EVP_CIPHER_CTX_new ();
-      em->per_thread_data[thread_id].decrypt_ctx = EVP_CIPHER_CTX_new ();
-      em->per_thread_data[thread_id].hmac_ctx = HMAC_CTX_new ();
-#else
-      EVP_CIPHER_CTX_init (&(em->per_thread_data[thread_id].encrypt_ctx));
-      EVP_CIPHER_CTX_init (&(em->per_thread_data[thread_id].decrypt_ctx));
-      HMAC_CTX_init (&(em->per_thread_data[thread_id].hmac_ctx));
-#endif
-    }
-}
 
 always_inline unsigned int
-hmac_calc (ipsec_integ_alg_t alg,
-	   u8 * key,
-	   int key_len,
+hmac_calc (vlib_main_t * vm, ipsec_integ_alg_t alg, u8 * key, int key_len,
 	   u8 * data, int data_len, u8 * signature, u8 use_esn, u32 seq_hi)
 {
-  esp_main_t *em = &esp_main;
-  u32 thread_index = vlib_get_thread_index ();
-#if OPENSSL_VERSION_NUMBER >= 0x10100000L
-  HMAC_CTX *ctx = em->per_thread_data[thread_index].hmac_ctx;
-#else
-  HMAC_CTX *ctx = &(em->per_thread_data[thread_index].hmac_ctx);
-#endif
-  const EVP_MD *md = NULL;
-  unsigned int len;
-
+  ipsec_main_t *im = &ipsec_main;
+  vnet_crypto_op_t _op, *op = &_op;
   ASSERT (alg < IPSEC_INTEG_N_ALG);
 
-  if (PREDICT_FALSE (em->esp_integ_algs[alg].md == 0))
+  if (PREDICT_FALSE (im->integ_algs[alg].op_type == 0))
     return 0;
 
-  if (PREDICT_FALSE (alg != em->per_thread_data[thread_index].last_integ_alg))
-    {
-      md = em->esp_integ_algs[alg].md;
-      em->per_thread_data[thread_index].last_integ_alg = alg;
-    }
+  op->op = im->integ_algs[alg].op_type;
+  op->key = key;
+  op->key_len = key_len;
+  op->src = data;
+  op->len = data_len;
+  op->dst = signature;
+#if 0
 
   HMAC_Init_ex (ctx, key, key_len, md, NULL);
 
@@ -332,7 +231,9 @@ hmac_calc (ipsec_integ_alg_t alg,
     HMAC_Update (ctx, (u8 *) & seq_hi, sizeof (seq_hi));
   HMAC_Final (ctx, signature, &len);
 
-  return em->esp_integ_algs[alg].trunc_size;
+#endif
+  vnet_crypto_process_ops (vm, op, 1);
+  return im->integ_algs[alg].trunc_size;
 }
 
 #endif /* __ESP_H__ */