diff options
Diffstat (limited to 'src/svm/svm_fifo_segment.c')
| -rw-r--r-- | src/svm/svm_fifo_segment.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/svm/svm_fifo_segment.c b/src/svm/svm_fifo_segment.c index e377160f6d8..94bf6a5e73e 100644 --- a/src/svm/svm_fifo_segment.c +++ b/src/svm/svm_fifo_segment.c @@ -381,7 +381,12 @@ svm_fifo_segment_alloc_fifo (svm_fifo_segment_private_t * fs, fsh->free_fifos[freelist_index] = f->next; /* (re)initialize the fifo, as in svm_fifo_create */ clib_memset (f, 0, sizeof (*f)); - f->nitems = data_size_in_bytes; + f->size = (1 << (max_log2 (data_size_in_bytes))); + /* + * usable size of the fifo set to rounded_data_size - 1 + * to differentiate between free fifo and empty fifo. + */ + f->nitems = f->size - 1; f->ooos_list_head = OOO_SEGMENT_INVALID_INDEX; f->ct_session_index = SVM_FIFO_INVALID_SESSION_INDEX; f->refcnt = 1; |