svm: support for multi-segment enqueues

Type: feature

Signed-off-by: Florin Coras <fcoras@cisco.com>
Change-Id: I06c7022a6afbb146b23cbd3a430497ec9e8be73d
diff --git a/src/svm/svm_fifo.h b/src/svm/svm_fifo.h
index 408d99a..4239e9d 100644
--- a/src/svm/svm_fifo.h
+++ b/src/svm/svm_fifo.h
@@ -292,6 +292,17 @@
  */
 void svm_fifo_enqueue_nocopy (svm_fifo_t * f, u32 len);
 /**
+ * Enqueue array of @ref svm_fifo_seg_t in order
+ *
+ * @param f		fifo
+ * @param segs		array of segments to enqueue
+ * @param n_segs	number of segments
+ * @param allow_partial	if set partial enqueues are allowed
+ * @return		len if enqueue was successful, error otherwise
+ */
+int svm_fifo_enqueue_segments (svm_fifo_t * f, const svm_fifo_seg_t segs[],
+			       u32 n_segs, u8 allow_partial);
+/**
  * Overwrite fifo head with new data
  *
  * This should be typically used by dgram transport protocols that need