+static const char *udp_cfg_flags_str[] = {
+#define _(sym, str) str,
+ foreach_udp_cfg_flag
+#undef _
+};
+
+static u8 *
+format_udp_cfg_flags (u8 *s, va_list *args)
+{
+ udp_connection_t *tc = va_arg (*args, udp_connection_t *);
+ int i, last = -1;
+
+ for (i = 0; i < UDP_CFG_N_FLAG_BITS; i++)
+ if (tc->cfg_flags & (1 << i))
+ last = i;
+ if (last >= 0)
+ s = format (s, " cfg: ");
+ for (i = 0; i < last; i++)
+ {
+ if (tc->cfg_flags & (1 << i))
+ s = format (s, "%s, ", udp_cfg_flags_str[i]);
+ }
+ if (last >= 0)
+ s = format (s, "%s", udp_cfg_flags_str[last]);
+ return s;
+}
+