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-rw-r--r--src/vcl/vcl_private.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/src/vcl/vcl_private.c b/src/vcl/vcl_private.c
index ba54c91f5cd..721416b045a 100644
--- a/src/vcl/vcl_private.c
+++ b/src/vcl/vcl_private.c
@@ -519,6 +519,32 @@ vcl_segment_discover_mqs (uword segment_handle, int *fds, u32 n_fds)
return 0;
}
+svm_fifo_chunk_t *
+vcl_segment_alloc_chunk (uword segment_handle, u32 slice_index, u32 size,
+ uword *offset)
+{
+ svm_fifo_chunk_t *c;
+ fifo_segment_t *fs;
+ u32 fs_index;
+
+ fs_index = vcl_segment_table_lookup (segment_handle);
+ if (fs_index == VCL_INVALID_SEGMENT_INDEX)
+ {
+ VDBG (0, "ERROR: mq segment %lx for is not attached!", segment_handle);
+ return 0;
+ }
+
+ clib_rwlock_reader_lock (&vcm->segment_table_lock);
+
+ fs = fifo_segment_get_segment (&vcm->segment_main, fs_index);
+ c = fifo_segment_alloc_chunk_w_slice (fs, slice_index, size);
+ *offset = fifo_segment_chunk_offset (fs, c);
+
+ clib_rwlock_reader_unlock (&vcm->segment_table_lock);
+
+ return c;
+}
+
/*
* fd.io coding-style-patch-verification: ON
*