#define SFBF_FLOWCTL 0x04 /* enable flow control advisories */
#define SFBF_DELAYBASED 0x08 /* queueing is delay based */
#define SFBF_DELAYHIGH 0x10 /* Estimated delay is greater than target */
+#define SFBF_LAST_PKT_DROPPED 0x20 /* Last packet dropped */
#define SFBF_SUSPENDED 0x1000 /* queue is suspended */
#define SFBF_USERFLAGS \