ipsec: cleanup, remove unnecessary code,

[vpp.git] / src / vnet / ipsec / ah_decrypt.c

diff --git a/src/vnet/ipsec/ah_decrypt.c b/src/vnet/ipsec/ah_decrypt.c
index 7d2bf81..0fc4f48 100644 (file)
--- a/src/vnet/ipsec/ah_decrypt.c
+++ b/src/vnet/ipsec/ah_decrypt.c
@@ -22,6 +22,7 @@
 #include <vnet/ipsec/ipsec.h>
 #include <vnet/ipsec/esp.h>
 #include <vnet/ipsec/ah.h>
+#include <vnet/ipsec/ipsec_io.h>
 
 #define foreach_ah_decrypt_next \
   _ (DROP, "error-drop")        \
@@ -81,14 +82,15 @@ ah_decrypt_inline (vlib_main_t * vm,
                   vlib_node_runtime_t * node, vlib_frame_t * from_frame,
                   int is_ip6)
 {
-  u32 n_left_from, *from, next_index, *to_next;
+  u32 n_left_from, *from, next_index, *to_next, thread_index;
   ipsec_main_t *im = &ipsec_main;
   ipsec_proto_main_t *em = &ipsec_proto_main;
   from = vlib_frame_vector_args (from_frame);
   n_left_from = from_frame->n_vectors;
-  int icv_size = 0;
+  int icv_size;
 
   next_index = node->cached_next_index;
+  thread_index = vm->thread_index;
 
   while (n_left_from > 0)
     {
@@ -131,6 +133,9 @@ ah_decrypt_inline (vlib_main_t * vm,
          sa_index0 = vnet_buffer (i_b0)->ipsec.sad_index;
          sa0 = pool_elt_at_index (im->sad, sa_index0);
 
+         vlib_prefetch_combined_counter (&ipsec_sa_counters,
+                                         thread_index, sa_index0);
+
          if (is_ip6)
            {
              ip6_ext_header_t *prev = NULL;
@@ -164,16 +169,16 @@ ah_decrypt_inline (vlib_main_t * vm,
                }
            }
 
+         vlib_increment_combined_counter
+           (&ipsec_sa_counters, thread_index, sa_index0,
+            1, i_b0->current_length);
 
-         sa0->total_data_size += i_b0->current_length;
          icv_size =
            em->ipsec_proto_main_integ_algs[sa0->integ_alg].trunc_size;
          if (PREDICT_TRUE (sa0->integ_alg != IPSEC_INTEG_ALG_NONE))
            {
              u8 sig[64];
-             u8 digest[64];
-             clib_memset (sig, 0, sizeof (sig));
-             clib_memset (digest, 0, sizeof (digest));
+             u8 digest[icv_size];
              u8 *icv = ah0->auth_data;
              memcpy (digest, icv, icv_size);
              clib_memset (icv, 0, icv_size);