svm: update number of segments in svm_fifo_segments
In addition to returning the number of bytes also update the number of
segments to reflect the number used.
Type: improvement
Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: Ia87dc2aa62cea38b18dfa83df94dc2abe29d5121
diff --git a/src/svm/svm_fifo.c b/src/svm/svm_fifo.c
index 7197e38..83cad42 100644
--- a/src/svm/svm_fifo.c
+++ b/src/svm/svm_fifo.c
@@ -1281,8 +1281,8 @@
}
int
-svm_fifo_segments (svm_fifo_t * f, u32 offset, svm_fifo_seg_t * fs,
- u32 n_segs, u32 max_bytes)
+svm_fifo_segments (svm_fifo_t *f, u32 offset, svm_fifo_seg_t *fs, u32 *n_segs,
+ u32 max_bytes)
{
u32 cursize, to_read, head, tail, fs_index = 1;
u32 n_bytes, head_pos, len, start;
@@ -1315,7 +1315,7 @@
fs[0].len = clib_min (c->length - head_pos, to_read);
n_bytes = fs[0].len;
- while (n_bytes < to_read && fs_index < n_segs)
+ while (n_bytes < to_read && fs_index < *n_segs)
{
c = f_cptr (f, c->next);
len = clib_min (c->length, to_read - n_bytes);
@@ -1324,6 +1324,7 @@
n_bytes += len;
fs_index += 1;
}
+ *n_segs = fs_index;
return n_bytes;
}