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-rw-r--r--src/svm/fifo_segment.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/src/svm/fifo_segment.c b/src/svm/fifo_segment.c
index ea0352f4835..9f1e46c9df6 100644
--- a/src/svm/fifo_segment.c
+++ b/src/svm/fifo_segment.c
@@ -418,6 +418,14 @@ fifo_segment_get_segment (fifo_segment_main_t * sm, u32 segment_index)
return pool_elt_at_index (sm->segments, segment_index);
}
+fifo_segment_t *
+fifo_segment_get_segment_if_valid (fifo_segment_main_t *sm, u32 segment_index)
+{
+ if (pool_is_free_index (sm->segments, segment_index))
+ return 0;
+ return pool_elt_at_index (sm->segments, segment_index);
+}
+
void
fifo_segment_info (fifo_segment_t * seg, char **address, size_t * size)
{
@@ -783,9 +791,8 @@ fs_fifo_alloc (fifo_segment_t *fs, u32 slice_index)
}
void
-fs_fifo_free (fifo_segment_t *fs, svm_fifo_t *f)
+fs_fifo_free (fifo_segment_t *fs, svm_fifo_t *f, u32 slice_index)
{
- u32 slice_index = f->shr->slice_index;
fifo_slice_private_t *pfss;
if (CLIB_DEBUG)
@@ -932,12 +939,18 @@ fifo_segment_free_fifo (fifo_segment_t * fs, svm_fifo_t * f)
f->ooo_enq = f->ooo_deq = 0;
f->prev = 0;
- fs_fifo_free (fs, f);
+ fs_fifo_free (fs, f, f->shr->slice_index);
fsh_active_fifos_update (fsh, -1);
}
void
+fifo_segment_free_client_fifo (fifo_segment_t *fs, svm_fifo_t *f)
+{
+ fs_fifo_free (fs, f, 0 /* clients attach fifos in slice 0 */);
+}
+
+void
fifo_segment_detach_fifo (fifo_segment_t *fs, svm_fifo_t **f)
{
fifo_slice_private_t *pfss;