+__clib_export u8 *
+format_hexdump_u16 (u8 *s, va_list *args)
+{
+ u16 *data = va_arg (*args, u16 *);
+ u32 len = va_arg (*args, u32);
+ u32 indent = format_get_indent (s);
+
+ if (!len)
+ return s;
+
+ for (int i = 0; i < len; i++)
+ {
+ if (i % 8 == 0)
+ {
+ s = format (s, "%s%U%05x: ", i ? "\n" : "", format_white_space,
+ i ? indent : 0, i * 2);
+ }
+ s = format (s, " %04lx", data[i]);
+ }
+ return s;
+}
+
+__clib_export u8 *
+format_hexdump_u32 (u8 *s, va_list *args)
+{
+ u32 *data = va_arg (*args, u32 *);
+ u32 len = va_arg (*args, u32);
+ u32 indent = format_get_indent (s);
+
+ if (!len)
+ return s;
+
+ for (int i = 0; i < len; i++)
+ {
+ if (i % 4 == 0)
+ {
+ s = format (s, "%s%U%05x: ", i ? "\n" : "", format_white_space,
+ i ? indent : 0, i * 4);
+ }
+ s = format (s, " %08lx", data[i]);
+ }
+ return s;
+}
+
+__clib_export u8 *
+format_hexdump_u64 (u8 *s, va_list *args)
+{
+ u64 *data = va_arg (*args, u64 *);
+ u32 len = va_arg (*args, u32);
+ u32 indent = format_get_indent (s);
+
+ if (!len)
+ return s;
+
+ for (int i = 0; i < len; i++)
+ {
+ if (i % 2 == 0)
+ {
+ s = format (s, "%s%U%05x: ", i ? "\n" : "", format_white_space,
+ i ? indent : 0, i * 8);
+ }
+ s = format (s, " %016lx", data[i]);
+ }
+ return s;
+}
+
+__clib_export u8 *
+format_uword_bitmap (u8 *s, va_list *args)
+{
+ uword *bitmap = va_arg (*args, uword *);
+ int n_uword = va_arg (*args, int);
+ uword indent = format_get_indent (s);
+
+ s = format (s, "%6s", "");
+
+ for (int i = uword_bits - 4; i >= 0; i -= 4)
+ s = format (s, "%5d", i);
+
+ vec_add1 (s, '\n');
+
+ for (int j = n_uword - 1; j >= 0; j--)
+ {
+ s = format (s, "%U0x%04x ", format_white_space, indent,
+ j * uword_bits / 8);
+ for (int i = uword_bits - 1; i >= 0; i--)
+ {
+ vec_add1 (s, (1ULL << i) & bitmap[j] ? '1' : '.');
+ if (i % 4 == 0)
+ vec_add1 (s, ' ');
+ }
+ s = format (s, uword_bits == 64 ? "0x%016lx" : "0x%08lx", bitmap[j]);
+ if (j)
+ vec_add1 (s, '\n');
+ }
+
+ return s;
+}
+