325 struct i40e_ring {  struct
326 	struct i40e_ring *next;		/* pointer to next ring in q_vector */  argument
327 	void *desc;			/* Descriptor ring memory */
328 	struct device *dev;		/* Used for DMA mapping */
329 	struct net_device *netdev;	/* netdev ring maps to */
330 	struct bpf_prog *xdp_prog;
331 	union {
337 	u16 queue_index;		/* Queue number of ring */
338 	u8 dcb_tc;			/* Traffic class of ring */
339 	u8 __iomem *tail;
346 	struct xdp_buff xdp;
351 	u16 next_to_process;
357 	u16 itr_setting;
359 	u16 count;			/* Number of descriptors */
360 	u16 reg_idx;			/* HW register index of the ring */
361 	u16 rx_buf_len;
364 	u16 next_to_use;
365 	u16 next_to_clean;
366 	u16 xdp_tx_active;
368 	u8 atr_sample_rate;
369 	u8 atr_count;
371 	bool ring_active;		/* is ring online or not */
372 	bool arm_wb;		/* do something to arm write back */
373 	u8 packet_stride;
375 	u16 flags;
403 static inline bool ring_uses_build_skb(struct i40e_ring *ring)  in ring_uses_build_skb()  argument