Fixes for buliding for 32bit targets:
[vpp.git] / src / vnet / classify / vnet_classify.h
index 4304d33..2bc1224 100644 (file)
@@ -26,9 +26,7 @@
 #include <vnet/ip/ip4_packet.h>
 #include <vnet/ip/ip6_packet.h>
 #include <vlib/cli.h>
-#include <vnet/l2/l2_input.h>
-#include <vnet/l2/feat_bitmap.h>
-#include <vnet/api_errno.h>     /* for API error numbers */
+#include <vnet/api_errno.h>    /* for API error numbers */
 
 #include <vppinfra/error.h>
 #include <vppinfra/hash.h>
@@ -40,10 +38,6 @@ extern vlib_node_registration_t ip6_classify_node;
 
 #define CLASSIFY_TRACE 0
 
-#if !defined( __aarch64__) && !defined(__arm__)
-#define CLASSIFY_USE_SSE //Allow usage of SSE operations
-#endif
-
 #define U32X4_ALIGNED(p) PREDICT_TRUE((((intptr_t)p) & 0xf) == 0)
 
 /*
@@ -79,6 +73,7 @@ _(3)                                            \
 _(4)                                            \
 _(5)
 
+/* *INDENT-OFF* */
 typedef CLIB_PACKED(struct _vnet_classify_entry {
   /* Graph node next index */
   u32 next_index;
@@ -105,24 +100,28 @@ typedef CLIB_PACKED(struct _vnet_classify_entry {
     u64 hits;
     struct _vnet_classify_entry * next_free;
   };
-    
+
   f64 last_heard;
 
   /* Must be aligned to a 16-octet boundary */
   u32x4 key[0];
 }) vnet_classify_entry_t;
+/* *INDENT-ON* */
 
-static inline int vnet_classify_entry_is_free (vnet_classify_entry_t * e)
+static inline int
+vnet_classify_entry_is_free (vnet_classify_entry_t * e)
 {
   return e->flags & VNET_CLASSIFY_ENTRY_FREE;
 }
 
-static inline int vnet_classify_entry_is_busy (vnet_classify_entry_t * e)
+static inline int
+vnet_classify_entry_is_busy (vnet_classify_entry_t * e)
 {
   return ((e->flags & VNET_CLASSIFY_ENTRY_FREE) == 0);
 }
 
 /* Need these to con the vector allocator */
+/* *INDENT-OFF* */
 #define _(size)                                 \
 typedef CLIB_PACKED(struct {                    \
   u32 pad0[4];                                  \
@@ -130,11 +129,15 @@ typedef CLIB_PACKED(struct {                    \
   u32x4 key[size];                              \
 }) vnet_classify_entry_##size##_t;
 foreach_size_in_u32x4;
+/* *INDENT-ON* */
 #undef _
 
-typedef struct {
-  union {
-    struct {
+typedef struct
+{
+  union
+  {
+    struct
+    {
       u32 offset;
       u8 linear_search;
       u8 pad[2];
@@ -144,13 +147,15 @@ typedef struct {
   };
 } vnet_classify_bucket_t;
 
-typedef struct {
+typedef struct
+{
+  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
   /* Mask to apply after skipping N vectors */
   u32x4 *mask;
   /* Buckets and entries */
-  vnet_classify_bucket_t * buckets;
-  vnet_classify_entry_t * entries;
-  
+  vnet_classify_bucket_t *buckets;
+  vnet_classify_entry_t *entries;
+
   /* Config parameters */
   u32 match_n_vectors;
   u32 skip_n_vectors;
@@ -164,217 +169,219 @@ typedef struct {
   u32 data_offset;
   /* Index of next table to try */
   u32 next_table_index;
-  
+
   /* Miss next index, return if next_table_index = 0 */
   u32 miss_next_index;
-  
+
   /* Per-bucket working copies, one per thread */
-  vnet_classify_entry_t ** working_copies;
+  vnet_classify_entry_t **working_copies;
   int *working_copy_lengths;
   vnet_classify_bucket_t saved_bucket;
-  
+
   /* Free entry freelists */
   vnet_classify_entry_t **freelists;
 
-  u8 * name;
-  
+  u8 *name;
+
   /* Private allocation arena, protected by the writer lock */
-  void * mheap;
-  
+  void *mheap;
+
   /* Writer (only) lock for this table */
-  volatile u32 * writer_lock;
-  
+  volatile u32 *writer_lock;
+
 } vnet_classify_table_t;
 
-struct _vnet_classify_main {
+struct _vnet_classify_main
+{
   /* Table pool */
-  vnet_classify_table_t * tables;
-  
+  vnet_classify_table_t *tables;
+
   /* Registered next-index, opaque unformat fcns */
-  unformat_function_t ** unformat_l2_next_index_fns;
-  unformat_function_t ** unformat_ip_next_index_fns;
-  unformat_function_t ** unformat_acl_next_index_fns;
-  unformat_function_t ** unformat_policer_next_index_fns;
-  unformat_function_t ** unformat_opaque_index_fns;
+  unformat_function_t **unformat_l2_next_index_fns;
+  unformat_function_t **unformat_ip_next_index_fns;
+  unformat_function_t **unformat_acl_next_index_fns;
+  unformat_function_t **unformat_policer_next_index_fns;
+  unformat_function_t **unformat_opaque_index_fns;
 
   /* convenience variables */
-  vlib_main_t * vlib_main;
-  vnet_main_t * vnet_main;
+  vlib_main_t *vlib_main;
+  vnet_main_t *vnet_main;
 };
 
 extern vnet_classify_main_t vnet_classify_main;
 
-u8 * format_classify_table (u8 * s, va_list * args);
+u8 *format_classify_table (u8 * s, va_list * args);
 
 u64 vnet_classify_hash_packet (vnet_classify_table_t * t, u8 * h);
 
-static inline u64 
-vnet_classify_hash_packet_inline (vnet_classify_table_t * t, 
-                                  u8 * h)
+static inline u64
+vnet_classify_hash_packet_inline (vnet_classify_table_t * t, u8 * h)
 {
   u32x4 *mask;
 
-  union {
+  union
+  {
     u32x4 as_u32x4;
     u64 as_u64[2];
-  } xor_sum __attribute__((aligned(sizeof(u32x4))));
+  } xor_sum __attribute__ ((aligned (sizeof (u32x4))));
 
-  ASSERT(t);
+  ASSERT (t);
   mask = t->mask;
-#ifdef CLASSIFY_USE_SSE
-  if (U32X4_ALIGNED(h)) {  //SSE can't handle unaligned data
-    u32x4 *data = (u32x4 *)h;
-    xor_sum.as_u32x4  = data[0 + t->skip_n_vectors] & mask[0];
-    switch (t->match_n_vectors)
-    {
-      case 5:
-        xor_sum.as_u32x4 ^= data[4 + t->skip_n_vectors] & mask[4];
-        /* FALLTHROUGH */
-      case 4:
-        xor_sum.as_u32x4 ^= data[3 + t->skip_n_vectors] & mask[3];
-        /* FALLTHROUGH */
-      case 3:
-        xor_sum.as_u32x4 ^= data[2 + t->skip_n_vectors] & mask[2];
-        /* FALLTHROUGH */
-      case 2:
-        xor_sum.as_u32x4 ^= data[1 + t->skip_n_vectors] & mask[1];
-        /* FALLTHROUGH */
-      case 1:
-        break;
-      default:
-        abort();
+#ifdef CLIB_HAVE_VEC128
+  if (U32X4_ALIGNED (h))
+    {                          //SSE can't handle unaligned data
+      u32x4 *data = (u32x4 *) h;
+      xor_sum.as_u32x4 = data[0 + t->skip_n_vectors] & mask[0];
+      switch (t->match_n_vectors)
+       {
+       case 5:
+         xor_sum.as_u32x4 ^= data[4 + t->skip_n_vectors] & mask[4];
+         /* FALLTHROUGH */
+       case 4:
+         xor_sum.as_u32x4 ^= data[3 + t->skip_n_vectors] & mask[3];
+         /* FALLTHROUGH */
+       case 3:
+         xor_sum.as_u32x4 ^= data[2 + t->skip_n_vectors] & mask[2];
+         /* FALLTHROUGH */
+       case 2:
+         xor_sum.as_u32x4 ^= data[1 + t->skip_n_vectors] & mask[1];
+         /* FALLTHROUGH */
+       case 1:
+         break;
+       default:
+         abort ();
+       }
     }
-  } else
-#endif /* CLASSIFY_USE_SSE */
-  {
-    u32 skip_u64 = t->skip_n_vectors * 2;
-    u64 *data64 = (u64 *)h;
-    xor_sum.as_u64[0] = data64[0 + skip_u64] & ((u64 *)mask)[0];
-    xor_sum.as_u64[1] = data64[1 + skip_u64] & ((u64 *)mask)[1];
-    switch (t->match_n_vectors)
+  else
+#endif /* CLIB_HAVE_VEC128 */
     {
-      case 5:
-        xor_sum.as_u64[0]  ^= data64[8 + skip_u64] & ((u64 *)mask)[8];
-        xor_sum.as_u64[1]  ^= data64[9 + skip_u64] & ((u64 *)mask)[9];
-        /* FALLTHROUGH */
-      case 4:
-        xor_sum.as_u64[0]  ^= data64[6 + skip_u64] & ((u64 *)mask)[6];
-        xor_sum.as_u64[1]  ^= data64[7 + skip_u64] & ((u64 *)mask)[7];
-        /* FALLTHROUGH */
-      case 3:
-        xor_sum.as_u64[0]  ^= data64[4 + skip_u64] & ((u64 *)mask)[4];
-        xor_sum.as_u64[1]  ^= data64[5 + skip_u64] & ((u64 *)mask)[5];
-        /* FALLTHROUGH */
-      case 2:
-        xor_sum.as_u64[0]  ^= data64[2 + skip_u64] & ((u64 *)mask)[2];
-        xor_sum.as_u64[1]  ^= data64[3 + skip_u64] & ((u64 *)mask)[3];
-        /* FALLTHROUGH */
-      case 1:
-        break;
-
-      default:
-        abort();
+      u32 skip_u64 = t->skip_n_vectors * 2;
+      u64 *data64 = (u64 *) h;
+      xor_sum.as_u64[0] = data64[0 + skip_u64] & ((u64 *) mask)[0];
+      xor_sum.as_u64[1] = data64[1 + skip_u64] & ((u64 *) mask)[1];
+      switch (t->match_n_vectors)
+       {
+       case 5:
+         xor_sum.as_u64[0] ^= data64[8 + skip_u64] & ((u64 *) mask)[8];
+         xor_sum.as_u64[1] ^= data64[9 + skip_u64] & ((u64 *) mask)[9];
+         /* FALLTHROUGH */
+       case 4:
+         xor_sum.as_u64[0] ^= data64[6 + skip_u64] & ((u64 *) mask)[6];
+         xor_sum.as_u64[1] ^= data64[7 + skip_u64] & ((u64 *) mask)[7];
+         /* FALLTHROUGH */
+       case 3:
+         xor_sum.as_u64[0] ^= data64[4 + skip_u64] & ((u64 *) mask)[4];
+         xor_sum.as_u64[1] ^= data64[5 + skip_u64] & ((u64 *) mask)[5];
+         /* FALLTHROUGH */
+       case 2:
+         xor_sum.as_u64[0] ^= data64[2 + skip_u64] & ((u64 *) mask)[2];
+         xor_sum.as_u64[1] ^= data64[3 + skip_u64] & ((u64 *) mask)[3];
+         /* FALLTHROUGH */
+       case 1:
+         break;
+
+       default:
+         abort ();
+       }
     }
-  }
-  
+
   return clib_xxhash (xor_sum.as_u64[0] ^ xor_sum.as_u64[1]);
 }
 
-static inline void 
+static inline void
 vnet_classify_prefetch_bucket (vnet_classify_table_t * t, u64 hash)
 {
   u32 bucket_index;
-  
-  ASSERT (is_pow2(t->nbuckets));
-  
+
+  ASSERT (is_pow2 (t->nbuckets));
+
   bucket_index = hash & (t->nbuckets - 1);
-  
-  CLIB_PREFETCH(&t->buckets[bucket_index], CLIB_CACHE_LINE_BYTES, LOAD);
+
+  CLIB_PREFETCH (&t->buckets[bucket_index], CLIB_CACHE_LINE_BYTES, LOAD);
 }
 
-static inline vnet_classify_entry_t * 
+static inline vnet_classify_entry_t *
 vnet_classify_get_entry (vnet_classify_table_t * t, uword offset)
 {
-  u8 * hp = t->mheap;
-  u8 * vp = hp + offset;
-  
+  u8 *hp = t->mheap;
+  u8 *vp = hp + offset;
+
   return (void *) vp;
 }
 
-static inline uword vnet_classify_get_offset (vnet_classify_table_t * t, 
-                                              vnet_classify_entry_t * v)
+static inline uword
+vnet_classify_get_offset (vnet_classify_table_t * t,
+                         vnet_classify_entry_t * v)
 {
-  u8 * hp, * vp;
+  u8 *hp, *vp;
 
   hp = (u8 *) t->mheap;
   vp = (u8 *) v;
 
-  ASSERT((vp - hp) < 0x100000000ULL);
+  ASSERT ((vp - hp) < 0x100000000ULL);
   return vp - hp;
 }
 
 static inline vnet_classify_entry_t *
-vnet_classify_entry_at_index (vnet_classify_table_t * t, 
-                              vnet_classify_entry_t * e,
-                              u32 index)
+vnet_classify_entry_at_index (vnet_classify_table_t * t,
+                             vnet_classify_entry_t * e, u32 index)
 {
-  u8 * eu8;
+  u8 *eu8;
 
-  eu8 = (u8 *)e;
+  eu8 = (u8 *) e;
 
   eu8 += index * (sizeof (vnet_classify_entry_t) +
-                  (t->match_n_vectors * sizeof (u32x4)));
+                 (t->match_n_vectors * sizeof (u32x4)));
 
   return (vnet_classify_entry_t *) eu8;
 }
 
 static inline void
-vnet_classify_prefetch_entry (vnet_classify_table_t * t, 
-                              u64 hash)
+vnet_classify_prefetch_entry (vnet_classify_table_t * t, u64 hash)
 {
   u32 bucket_index;
   u32 value_index;
-  vnet_classify_bucket_t * b;
-  vnet_classify_entry_t * e;
+  vnet_classify_bucket_t *b;
+  vnet_classify_entry_t *e;
 
   bucket_index = hash & (t->nbuckets - 1);
 
   b = &t->buckets[bucket_index];
-  
+
   if (b->offset == 0)
     return;
 
   hash >>= t->log2_nbuckets;
 
   e = vnet_classify_get_entry (t, b->offset);
-  value_index = hash & ((1<<b->log2_pages)-1);
+  value_index = hash & ((1 << b->log2_pages) - 1);
 
   e = vnet_classify_entry_at_index (t, e, value_index);
 
-  CLIB_PREFETCH(e, CLIB_CACHE_LINE_BYTES, LOAD);
+  CLIB_PREFETCH (e, CLIB_CACHE_LINE_BYTES, LOAD);
 }
 
-vnet_classify_entry_t *
-vnet_classify_find_entry (vnet_classify_table_t * t,
-                          u8 * h, u64 hash, f64 now);
+vnet_classify_entry_t *vnet_classify_find_entry (vnet_classify_table_t * t,
+                                                u8 * h, u64 hash, f64 now);
 
 static inline vnet_classify_entry_t *
 vnet_classify_find_entry_inline (vnet_classify_table_t * t,
-                                 u8 * h, u64 hash, f64 now)
+                                u8 * h, u64 hash, f64 now)
 {
-  vnet_classify_entry_t * v;
+  vnet_classify_entry_t *v;
   u32x4 *mask, *key;
-  union {
+  union
+  {
     u32x4 as_u32x4;
     u64 as_u64[2];
-  } result __attribute__((aligned(sizeof(u32x4))));
-  vnet_classify_bucket_t * b;
+  } result __attribute__ ((aligned (sizeof (u32x4))));
+  vnet_classify_bucket_t *b;
   u32 value_index;
   u32 bucket_index;
   u32 limit;
   int i;
 
-  bucket_index = hash & (t->nbuckets-1);
+  bucket_index = hash & (t->nbuckets - 1);
   b = &t->buckets[bucket_index];
   mask = t->mask;
 
@@ -384,128 +391,147 @@ vnet_classify_find_entry_inline (vnet_classify_table_t * t,
   hash >>= t->log2_nbuckets;
 
   v = vnet_classify_get_entry (t, b->offset);
-  value_index = hash & ((1<<b->log2_pages)-1);
+  value_index = hash & ((1 << b->log2_pages) - 1);
   limit = t->entries_per_page;
   if (PREDICT_FALSE (b->linear_search))
     {
       value_index = 0;
-      limit *= (1<<b->log2_pages);
+      limit *= (1 << b->log2_pages);
     }
 
   v = vnet_classify_entry_at_index (t, v, value_index);
 
-#ifdef CLASSIFY_USE_SSE
-  if (U32X4_ALIGNED(h)) {
-    u32x4 *data = (u32x4 *) h;
-    for (i = 0; i < limit; i++) {
-      key = v->key;
-      result.as_u32x4 = (data[0 + t->skip_n_vectors] & mask[0]) ^ key[0];
-      switch (t->match_n_vectors)
-        {
-        case 5:
-          result.as_u32x4 |= (data[4 + t->skip_n_vectors] & mask[4]) ^ key[4];
-          /* FALLTHROUGH */
-        case 4:
-          result.as_u32x4 |= (data[3 + t->skip_n_vectors] & mask[3]) ^ key[3];
-          /* FALLTHROUGH */
-        case 3:
-          result.as_u32x4 |= (data[2 + t->skip_n_vectors] & mask[2]) ^ key[2];
-          /* FALLTHROUGH */
-        case 2:
-          result.as_u32x4 |= (data[1 + t->skip_n_vectors] & mask[1]) ^ key[1];
-          /* FALLTHROUGH */
-        case 1:
-          break;
-        default:
-          abort();
-        }
-
-      if (u32x4_zero_byte_mask (result.as_u32x4) == 0xffff) {
-        if (PREDICT_TRUE(now)) {
-          v->hits++;
-          v->last_heard = now;
-        }
-        return (v);
-      }
-      v = vnet_classify_entry_at_index (t, v, 1);
+#ifdef CLIB_HAVE_VEC128
+  if (U32X4_ALIGNED (h))
+    {
+      u32x4 *data = (u32x4 *) h;
+      for (i = 0; i < limit; i++)
+       {
+         key = v->key;
+         result.as_u32x4 = (data[0 + t->skip_n_vectors] & mask[0]) ^ key[0];
+         switch (t->match_n_vectors)
+           {
+           case 5:
+             result.as_u32x4 |=
+               (data[4 + t->skip_n_vectors] & mask[4]) ^ key[4];
+             /* FALLTHROUGH */
+           case 4:
+             result.as_u32x4 |=
+               (data[3 + t->skip_n_vectors] & mask[3]) ^ key[3];
+             /* FALLTHROUGH */
+           case 3:
+             result.as_u32x4 |=
+               (data[2 + t->skip_n_vectors] & mask[2]) ^ key[2];
+             /* FALLTHROUGH */
+           case 2:
+             result.as_u32x4 |=
+               (data[1 + t->skip_n_vectors] & mask[1]) ^ key[1];
+             /* FALLTHROUGH */
+           case 1:
+             break;
+           default:
+             abort ();
+           }
+
+         if (u32x4_zero_byte_mask (result.as_u32x4) == 0xffff)
+           {
+             if (PREDICT_TRUE (now))
+               {
+                 v->hits++;
+                 v->last_heard = now;
+               }
+             return (v);
+           }
+         v = vnet_classify_entry_at_index (t, v, 1);
+       }
     }
-  else
-#endif /* CLASSIFY_USE_SSE */
+  else
+#endif /* CLIB_HAVE_VEC128 */
     {
       u32 skip_u64 = t->skip_n_vectors * 2;
-      u64 *data64 = (u64 *)h;
-      for (i = 0; i < limit; i++) {
-        key = v->key;
-
-        result.as_u64[0] = (data64[0 + skip_u64] & ((u64 *)mask)[0]) ^ ((u64 *)key)[0];
-        result.as_u64[1] = (data64[1 + skip_u64] & ((u64 *)mask)[1]) ^ ((u64 *)key)[1];
-        switch (t->match_n_vectors)
-          {
-          case 5:
-            result.as_u64[0] |= (data64[8 + skip_u64] & ((u64 *)mask)[8]) ^ ((u64 *)key)[8];
-            result.as_u64[1] |= (data64[9 + skip_u64] & ((u64 *)mask)[9]) ^ ((u64 *)key)[9];
-            /* FALLTHROUGH */
-          case 4:
-            result.as_u64[0] |= (data64[6 + skip_u64] & ((u64 *)mask)[6]) ^ ((u64 *)key)[6];
-            result.as_u64[1] |= (data64[7 + skip_u64] & ((u64 *)mask)[7]) ^ ((u64 *)key)[7];
-            /* FALLTHROUGH */
-          case 3:
-            result.as_u64[0] |= (data64[4 + skip_u64] & ((u64 *)mask)[4]) ^ ((u64 *)key)[4];
-            result.as_u64[1] |= (data64[5 + skip_u64] & ((u64 *)mask)[5]) ^ ((u64 *)key)[5];
-            /* FALLTHROUGH */
-          case 2:
-            result.as_u64[0] |= (data64[2 + skip_u64] & ((u64 *)mask)[2]) ^ ((u64 *)key)[2];
-            result.as_u64[1] |= (data64[3 + skip_u64] & ((u64 *)mask)[3]) ^ ((u64 *)key)[3];
-            /* FALLTHROUGH */
-          case 1:
-            break;
-          default:
-            abort();
-          }
-
-        if (result.as_u64[0] == 0 && result.as_u64[1] == 0) {
-          if (PREDICT_TRUE(now)) {
-            v->hits++;
-            v->last_heard = now;
-          }
-          return (v);
-        }
-
-        v = vnet_classify_entry_at_index (t, v, 1);
-      }
+      u64 *data64 = (u64 *) h;
+      for (i = 0; i < limit; i++)
+       {
+         key = v->key;
+
+         result.as_u64[0] =
+           (data64[0 + skip_u64] & ((u64 *) mask)[0]) ^ ((u64 *) key)[0];
+         result.as_u64[1] =
+           (data64[1 + skip_u64] & ((u64 *) mask)[1]) ^ ((u64 *) key)[1];
+         switch (t->match_n_vectors)
+           {
+           case 5:
+             result.as_u64[0] |=
+               (data64[8 + skip_u64] & ((u64 *) mask)[8]) ^ ((u64 *) key)[8];
+             result.as_u64[1] |=
+               (data64[9 + skip_u64] & ((u64 *) mask)[9]) ^ ((u64 *) key)[9];
+             /* FALLTHROUGH */
+           case 4:
+             result.as_u64[0] |=
+               (data64[6 + skip_u64] & ((u64 *) mask)[6]) ^ ((u64 *) key)[6];
+             result.as_u64[1] |=
+               (data64[7 + skip_u64] & ((u64 *) mask)[7]) ^ ((u64 *) key)[7];
+             /* FALLTHROUGH */
+           case 3:
+             result.as_u64[0] |=
+               (data64[4 + skip_u64] & ((u64 *) mask)[4]) ^ ((u64 *) key)[4];
+             result.as_u64[1] |=
+               (data64[5 + skip_u64] & ((u64 *) mask)[5]) ^ ((u64 *) key)[5];
+             /* FALLTHROUGH */
+           case 2:
+             result.as_u64[0] |=
+               (data64[2 + skip_u64] & ((u64 *) mask)[2]) ^ ((u64 *) key)[2];
+             result.as_u64[1] |=
+               (data64[3 + skip_u64] & ((u64 *) mask)[3]) ^ ((u64 *) key)[3];
+             /* FALLTHROUGH */
+           case 1:
+             break;
+           default:
+             abort ();
+           }
+
+         if (result.as_u64[0] == 0 && result.as_u64[1] == 0)
+           {
+             if (PREDICT_TRUE (now))
+               {
+                 v->hits++;
+                 v->last_heard = now;
+               }
+             return (v);
+           }
+
+         v = vnet_classify_entry_at_index (t, v, 1);
+       }
     }
   return 0;
 }
 
-vnet_classify_table_t * 
-vnet_classify_new_table (vnet_classify_main_t *cm,
-                         u8 * mask, u32 nbuckets, u32 memory_size,
-                         u32 skip_n_vectors,
-                         u32 match_n_vectors);
-
-int vnet_classify_add_del_session (vnet_classify_main_t * cm, 
-                                   u32 table_index, 
-                                   u8 * match, 
-                                   u32 hit_next_index,
-                                   u32 opaque_index, 
-                                   i32 advance,
-                                   u8 action,
-                                   u32 metadata,
-                                   int is_add);
+vnet_classify_table_t *vnet_classify_new_table (vnet_classify_main_t * cm,
+                                               u8 * mask, u32 nbuckets,
+                                               u32 memory_size,
+                                               u32 skip_n_vectors,
+                                               u32 match_n_vectors);
+
+int vnet_classify_add_del_session (vnet_classify_main_t * cm,
+                                  u32 table_index,
+                                  u8 * match,
+                                  u32 hit_next_index,
+                                  u32 opaque_index,
+                                  i32 advance,
+                                  u8 action, u32 metadata, int is_add);
 
 int vnet_classify_add_del_table (vnet_classify_main_t * cm,
-                                 u8 * mask, 
-                                 u32 nbuckets,
-                                 u32 memory_size,
-                                 u32 skip,
-                                 u32 match,
-                                 u32 next_table_index,
-                                 u32 miss_next_index,
-                                 u32 * table_index,
-                                 u8 current_data_flag,
-                                 i16 current_data_offset,
-                                 int is_add,
-                                int del_chain);
+                                u8 * mask,
+                                u32 nbuckets,
+                                u32 memory_size,
+                                u32 skip,
+                                u32 match,
+                                u32 next_table_index,
+                                u32 miss_next_index,
+                                u32 * table_index,
+                                u8 current_data_flag,
+                                i16 current_data_offset,
+                                int is_add, int del_chain);
 
 unformat_function_t unformat_ip4_mask;
 unformat_function_t unformat_ip6_mask;
@@ -522,18 +548,27 @@ unformat_function_t unformat_vlan_tag;
 unformat_function_t unformat_l2_match;
 unformat_function_t unformat_classify_match;
 
-void vnet_classify_register_unformat_ip_next_index_fn 
-(unformat_function_t * fn);
+void vnet_classify_register_unformat_ip_next_index_fn
+  (unformat_function_t * fn);
 
-void vnet_classify_register_unformat_l2_next_index_fn 
-(unformat_function_t * fn);
+void vnet_classify_register_unformat_l2_next_index_fn
+  (unformat_function_t * fn);
 
-void vnet_classify_register_unformat_acl_next_index_fn 
-(unformat_function_t * fn);
+void vnet_classify_register_unformat_acl_next_index_fn
+  (unformat_function_t * fn);
 
-void  vnet_classify_register_unformat_policer_next_index_fn
-(unformat_function_t * fn);
+void vnet_classify_register_unformat_policer_next_index_fn
+  (unformat_function_t * fn);
 
-void vnet_classify_register_unformat_opaque_index_fn (unformat_function_t * fn);
+void vnet_classify_register_unformat_opaque_index_fn (unformat_function_t *
+                                                     fn);
 
 #endif /* __included_vnet_classify_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */