[PATCH v3 3/6] common/idpf: support single q scatter RX datapath

[Wu, Jingjing]

> 
> +uint16_t
> +idpf_singleq_recv_scatter_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
> +			       uint16_t nb_pkts)
> +{
> +	struct idpf_rx_queue *rxq = rx_queue;
> +	volatile union virtchnl2_rx_desc *rx_ring = rxq->rx_ring;
> +	volatile union virtchnl2_rx_desc *rxdp;
> +	union virtchnl2_rx_desc rxd;
> +	struct idpf_adapter *ad;
> +	struct rte_mbuf *first_seg = rxq->pkt_first_seg;
> +	struct rte_mbuf *last_seg = rxq->pkt_last_seg;
> +	struct rte_mbuf *rxm;
> +	struct rte_mbuf *nmb;
> +	struct rte_eth_dev *dev;
> +	const uint32_t *ptype_tbl = rxq->adapter->ptype_tbl;
> +	uint16_t nb_hold = 0, nb_rx = 0;
According to the coding style, only the last variable on a line should be initialized.

> +	uint16_t rx_id = rxq->rx_tail;
> +	uint16_t rx_packet_len;
> +	uint16_t rx_status0;
> +	uint64_t pkt_flags;
> +	uint64_t dma_addr;
> +	uint64_t ts_ns;
> +