vppinfra: add format_hexdump_u{16,32,64}

Change-Id: I0eeccfc5739276d58a81a6552a043c6c105fe67a
Type: improvement
Signed-off-by: Damjan Marion <damarion@cisco.com>
diff --git a/src/vppinfra/format.h b/src/vppinfra/format.h
index a359328..935b57f 100644
--- a/src/vppinfra/format.h
+++ b/src/vppinfra/format.h
@@ -321,6 +321,9 @@
 
 /* Format hexdump with both hex and printable chars - compatible with text2pcap */
 u8 *format_hexdump (u8 * s, va_list * va);
+u8 *format_hexdump_u16 (u8 *s, va_list *va);
+u8 *format_hexdump_u32 (u8 *s, va_list *va);
+u8 *format_hexdump_u64 (u8 *s, va_list *va);
 
 /* Format bitmap of array of uword numbers */
 u8 *format_uword_bitmap (u8 *s, va_list *va);