tcp: IPv6 flow label support

[vpp.git] / src / vnet / ip / ip4_mtrie.c

diff --git a/src/vnet/ip/ip4_mtrie.c b/src/vnet/ip/ip4_mtrie.c
index 02ce12a..380ca32 100755 (executable)
--- a/src/vnet/ip/ip4_mtrie.c
+++ b/src/vnet/ip/ip4_mtrie.c
@@ -198,7 +198,7 @@ get_next_ply_for_leaf (ip4_fib_mtrie_t * m, ip4_fib_mtrie_leaf_t l)
 void
 ip4_mtrie_free (ip4_fib_mtrie_t * m)
 {
-  /* the root ply is embedded so the is nothing to do,
+  /* the root ply is embedded so there is nothing to do,
    * the assumption being that the IP4 FIB table has emptied the trie
    * before deletion.
    */
@@ -254,8 +254,7 @@ set_ply_with_more_specific_leaf (ip4_fib_mtrie_t * m,
       else if (new_leaf_dst_address_bits >=
               ply->dst_address_bits_of_leaves[i])
        {
-         clib_atomic_cmp_and_swap (&ply->leaves[i], old_leaf, new_leaf);
-         ASSERT (ply->leaves[i] == new_leaf);
+         clib_atomic_store_rel_n (&ply->leaves[i], new_leaf);
          ply->dst_address_bits_of_leaves[i] = new_leaf_dst_address_bits;
          ply->n_non_empty_leafs += ip4_fib_mtrie_leaf_is_non_empty (ply, i);
        }
@@ -319,9 +318,7 @@ set_leaf (ip4_fib_mtrie_t * m,
 
                  old_ply->dst_address_bits_of_leaves[i] =
                    a->dst_address_length;
-                 clib_atomic_cmp_and_swap (&old_ply->leaves[i], old_leaf,
-                                           new_leaf);
-                 ASSERT (old_ply->leaves[i] == new_leaf);
+                 clib_atomic_store_rel_n (&old_ply->leaves[i], new_leaf);
 
                  old_ply->n_non_empty_leafs +=
                    ip4_fib_mtrie_leaf_is_non_empty (old_ply, i);
@@ -378,9 +375,7 @@ set_leaf (ip4_fib_mtrie_t * m,
          /* Refetch since ply_create may move pool. */
          old_ply = pool_elt_at_index (ip4_ply_pool, old_ply_index);
 
-         clib_atomic_cmp_and_swap (&old_ply->leaves[dst_byte], old_leaf,
-                                   new_leaf);
-         ASSERT (old_ply->leaves[dst_byte] == new_leaf);
+         clib_atomic_store_rel_n (&old_ply->leaves[dst_byte], new_leaf);
          old_ply->dst_address_bits_of_leaves[dst_byte] = ply_base_len;
 
          old_ply->n_non_empty_leafs +=
@@ -451,9 +446,7 @@ set_root_leaf (ip4_fib_mtrie_t * m,
                   * the new one */
                  old_ply->dst_address_bits_of_leaves[slot] =
                    a->dst_address_length;
-                 clib_atomic_cmp_and_swap (&old_ply->leaves[slot],
-                                           old_leaf, new_leaf);
-                 ASSERT (old_ply->leaves[slot] == new_leaf);
+                 clib_atomic_store_rel_n (&old_ply->leaves[slot], new_leaf);
                }
              else
                {
@@ -498,9 +491,7 @@ set_root_leaf (ip4_fib_mtrie_t * m,
                        ply_base_len);
          new_ply = get_next_ply_for_leaf (m, new_leaf);
 
-         clib_atomic_cmp_and_swap (&old_ply->leaves[dst_byte], old_leaf,
-                                   new_leaf);
-         ASSERT (old_ply->leaves[dst_byte] == new_leaf);
+         clib_atomic_store_rel_n (&old_ply->leaves[dst_byte], new_leaf);
          old_ply->dst_address_bits_of_leaves[dst_byte] = ply_base_len;
        }
       else
@@ -549,8 +540,9 @@ unset_leaf (ip4_fib_mtrie_t * m,
          old_ply->n_non_empty_leafs -=
            ip4_fib_mtrie_leaf_is_non_empty (old_ply, i);
 
-         old_ply->leaves[i] =
-           ip4_fib_mtrie_leaf_set_adj_index (a->cover_adj_index);
+         clib_atomic_store_rel_n (&old_ply->leaves[i],
+                                  ip4_fib_mtrie_leaf_set_adj_index
+                                  (a->cover_adj_index));
          old_ply->dst_address_bits_of_leaves[i] = a->cover_address_length;
 
          old_ply->n_non_empty_leafs +=
@@ -620,8 +612,9 @@ unset_root_leaf (ip4_fib_mtrie_t * m,
          || (!old_leaf_is_terminal
              && unset_leaf (m, a, get_next_ply_for_leaf (m, old_leaf), 2)))
        {
-         old_ply->leaves[slot] =
-           ip4_fib_mtrie_leaf_set_adj_index (a->cover_adj_index);
+         clib_atomic_store_rel_n (&old_ply->leaves[slot],
+                                  ip4_fib_mtrie_leaf_set_adj_index
+                                  (a->cover_adj_index));
          old_ply->dst_address_bits_of_leaves[slot] = a->cover_address_length;
        }
     }