78 struct cdg {  struct
79 	struct cdg_minmax rtt;  argument
80 	struct cdg_minmax rtt_prev;  argument
81 	struct cdg_minmax *gradients;  argument
82 	struct cdg_minmax gsum;  argument
83 	bool gfilled;
84 	u8  tail;
85 	u8  state;
86 	u8  delack;
87 	u32 rtt_seq;
88 	u32 shadow_wnd;
89 	u16 backoff_cnt;
90 	u16 sample_cnt;
91 	s32 delay_min;
92 	u32 last_ack;
93 	u32 round_start;