alx: add a hardware stats structure

Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/atheros/alx/hw.h b/drivers/net/ethernet/atheros/alx/hw.h
index 96f3b43..872b362 100644 (file)
--- a/drivers/net/ethernet/atheros/alx/hw.h
+++ b/drivers/net/ethernet/atheros/alx/hw.h
@@ -381,6 +381,68 @@ struct alx_rrd {
                                 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