alx: add a hardware stats structure

				 ALX_ISR_RX_Q6 | \

				 ALX_ISR_RX_Q7)

/* Statistics counters collected by the MAC */

struct alx_hw_stats {

	/* rx */

	u64 rx_ok;		/* good RX packets */

	u64 rx_bcast;		/* good RX broadcast packets */

	u64 rx_mcast;		/* good RX multicast packets */

	u64 rx_pause;		/* RX pause frames */

	u64 rx_ctrl;		/* RX control packets other than pause frames */

	u64 rx_fcs_err;		/* RX packets with bad FCS */

	u64 rx_len_err;		/* RX packets with length != actual size */

	u64 rx_byte_cnt;	/* good bytes received. FCS is NOT included */

	u64 rx_runt;		/* RX packets < 64 bytes with good FCS */

	u64 rx_frag;		/* RX packets < 64 bytes with bad FCS */

	u64 rx_sz_64B;		/* 64 byte RX packets */

	u64 rx_sz_127B;		/* 65-127 byte RX packets */

	u64 rx_sz_255B;		/* 128-255 byte RX packets */

	u64 rx_sz_511B;		/* 256-511 byte RX packets */

	u64 rx_sz_1023B;	/* 512-1023 byte RX packets */

	u64 rx_sz_1518B;	/* 1024-1518 byte RX packets */

	u64 rx_sz_max;		/* 1519 byte to MTU RX packets */

	u64 rx_ov_sz;		/* truncated RX packets, size > MTU */

	u64 rx_ov_rxf;		/* frames dropped due to RX FIFO overflow */

	u64 rx_ov_rrd;		/* frames dropped due to RRD overflow */

	u64 rx_align_err;	/* alignment errors */

	u64 rx_bc_byte_cnt;	/* RX broadcast bytes, excluding FCS */

	u64 rx_mc_byte_cnt;	/* RX multicast bytes, excluding FCS */

	u64 rx_err_addr;	/* packets dropped due to address filtering */

	/* tx */

	u64 tx_ok;		/* good TX packets */

	u64 tx_bcast;		/* good TX broadcast packets */

	u64 tx_mcast;		/* good TX multicast packets */

	u64 tx_pause;		/* TX pause frames */

	u64 tx_exc_defer;	/* TX packets deferred excessively */

	u64 tx_ctrl;		/* TX control frames, excluding pause frames */

	u64 tx_defer;		/* TX packets deferred */

	u64 tx_byte_cnt;	/* bytes transmitted, FCS is NOT included */

	u64 tx_sz_64B;		/* 64 byte TX packets */

	u64 tx_sz_127B;		/* 65-127 byte TX packets */

	u64 tx_sz_255B;		/* 128-255 byte TX packets */

	u64 tx_sz_511B;		/* 256-511 byte TX packets */

	u64 tx_sz_1023B;	/* 512-1023 byte TX packets */

	u64 tx_sz_1518B;	/* 1024-1518 byte TX packets */

	u64 tx_sz_max;		/* 1519 byte to MTU TX packets */

	u64 tx_single_col;	/* packets TX after a single collision */

	u64 tx_multi_col;	/* packets TX after multiple collisions */

	u64 tx_late_col;	/* TX packets with late collisions */

	u64 tx_abort_col;	/* TX packets aborted w/excessive collisions */

	u64 tx_underrun;	/* TX packets aborted due to TX FIFO underrun

				 * or TRD FIFO underrun

				 */

	u64 tx_trd_eop;		/* reads beyond the EOP into the next frame

				 * when TRD was not written timely

				 */

	u64 tx_len_err;		/* TX packets where length != actual size */

	u64 tx_trunc;		/* TX packets truncated due to size > MTU */

	u64 tx_bc_byte_cnt;	/* broadcast bytes transmitted, excluding FCS */

	u64 tx_mc_byte_cnt;	/* multicast bytes transmitted, excluding FCS */

	u64 update;

};

/* maximum interrupt vectors for msix */

#define ALX_MAX_MSIX_INTRS	16