diff options
| -rw-r--r-- | drivers/net/ethernet/renesas/ravb.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/renesas/ravb_main.c | 8 |
2 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h index 99164318db26..527e865dee81 100644 --- a/drivers/net/ethernet/renesas/ravb.h +++ b/drivers/net/ethernet/renesas/ravb.h @@ -196,6 +196,8 @@ enum ravb_reg { MAHR = 0x05c0, MALR = 0x05c8, TROCR = 0x0700, /* R-Car Gen3 and RZ/G2L only */ + CXR41 = 0x0708, /* RZ/G2L only */ + CXR42 = 0x0710, /* RZ/G2L only */ CEFCR = 0x0740, FRECR = 0x0748, TSFRCR = 0x0750, @@ -1017,6 +1019,7 @@ struct ravb_hw_info { /* hardware features */ unsigned internal_delay:1; /* AVB-DMAC has internal delays */ unsigned tx_counters:1; /* E-MAC has TX counters */ + unsigned carrier_counters:1; /* E-MAC has carrier counters */ unsigned multi_irqs:1; /* AVB-DMAC and E-MAC has multiple irqs */ unsigned gptp:1; /* AVB-DMAC has gPTP support */ unsigned ccc_gac:1; /* AVB-DMAC has gPTP support active in config mode */ diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index 1a5ebc58682d..2221a2565397 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -2053,6 +2053,13 @@ static struct net_device_stats *ravb_get_stats(struct net_device *ndev) ravb_write(ndev, 0, TROCR); /* (write clear) */ } + if (info->carrier_counters) { + nstats->collisions += ravb_read(ndev, CXR41); + ravb_write(ndev, 0, CXR41); /* (write clear) */ + nstats->tx_carrier_errors += ravb_read(ndev, CXR42); + ravb_write(ndev, 0, CXR42); /* (write clear) */ + } + nstats->rx_packets = stats0->rx_packets; nstats->tx_packets = stats0->tx_packets; nstats->rx_bytes = stats0->rx_bytes; @@ -2432,6 +2439,7 @@ static const struct ravb_hw_info gbeth_hw_info = { .rx_max_buf_size = SZ_8K, .aligned_tx = 1, .tx_counters = 1, + .carrier_counters = 1, .half_duplex = 1, }; |