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-rw-r--r--src/vnet/bier/bier_lookup.c7
-rw-r--r--src/vnet/l2/l2_flood.c3
-rw-r--r--src/vppinfra/vec_bootstrap.h19
3 files changed, 19 insertions, 10 deletions
diff --git a/src/vnet/bier/bier_lookup.c b/src/vnet/bier/bier_lookup.c
index a9fab9c80f1..9361845c992 100644
--- a/src/vnet/bier/bier_lookup.c
+++ b/src/vnet/bier/bier_lookup.c
@@ -147,10 +147,9 @@ bier_lookup (vlib_main_t * vm,
memcpy(bbs.bbs_buckets, bh0->bh_bit_string, bbs.bbs_len);
/*
- * reset the fmask and clone storage vectors
+ * reset the fmask storage vector
*/
vec_reset_length (blm->blm_fmasks[thread_index]);
- vec_reset_length (blm->blm_clones[thread_index]);
/*
* Loop through the buckets in the header
@@ -225,7 +224,9 @@ bier_lookup (vlib_main_t * vm,
n_clones,
VLIB_BUFFER_CLONE_HEAD_SIZE);
- if (num_cloned != vec_len(blm->blm_fmasks[thread_index]))
+ vec_set_len(blm->blm_clones[thread_index], num_cloned);
+
+ if (num_cloned != n_clones)
{
vlib_node_increment_counter
(vm, node->node_index,
diff --git a/src/vnet/l2/l2_flood.c b/src/vnet/l2/l2_flood.c
index 8d34233b520..10e087767e4 100644
--- a/src/vnet/l2/l2_flood.c
+++ b/src/vnet/l2/l2_flood.c
@@ -213,7 +213,6 @@ VLIB_NODE_FN (l2flood_node) (vlib_main_t * vm,
else if (n_clones > 1)
{
vec_validate (msm->clones[thread_index], n_clones);
- vec_reset_length (msm->clones[thread_index]);
/*
* the header offset needs to be large enough to incorporate
@@ -226,6 +225,8 @@ VLIB_NODE_FN (l2flood_node) (vlib_main_t * vm,
n_clones,
VLIB_BUFFER_CLONE_HEAD_SIZE);
+ vec_set_len (msm->clones[thread_index], n_cloned);
+
if (PREDICT_FALSE (n_cloned != n_clones))
{
b0->error = node->errors[L2FLOOD_ERROR_REPL_FAIL];
diff --git a/src/vppinfra/vec_bootstrap.h b/src/vppinfra/vec_bootstrap.h
index fec0df08143..7fb016fe8d2 100644
--- a/src/vppinfra/vec_bootstrap.h
+++ b/src/vppinfra/vec_bootstrap.h
@@ -142,12 +142,6 @@ vec_aligned_header_end (void *v, uword header_bytes, uword align)
#define vec_len(v) ((v) ? _vec_len(v) : 0)
-/** \brief Reset vector length to zero
- NULL-pointer tolerant
-*/
-
-#define vec_reset_length(v) do { if (v) _vec_len (v) = 0; } while (0)
-
/** \brief Number of data bytes in vector. */
#define vec_bytes(v) (vec_len (v) * sizeof (v[0]))
@@ -165,6 +159,19 @@ vec_aligned_header_end (void *v, uword header_bytes, uword align)
/** \brief Total number of elements that can fit into vector. */
#define vec_max_len(v) (vec_capacity(v,0) / sizeof (v[0]))
+/** \brief Set vector length to a user-defined value */
+#define vec_set_len(v, l) do { \
+ ASSERT(v); \
+ ASSERT((l) <= vec_max_len(v)); \
+ _vec_len(v) = (l); \
+} while (0)
+
+/** \brief Reset vector length to zero
+ NULL-pointer tolerant
+*/
+
+#define vec_reset_length(v) do { if (v) vec_set_len (v, 0); } while (0)
+
/** \brief End (last data address) of vector. */
#define vec_end(v) ((v) + vec_len (v))