diff options
| author | Florian Fainelli <florian@openwrt.org> | 2012-04-11 09:18:40 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-04-12 22:06:24 +0200 |
| commit | 8dd87a26c7db72ce3124eb20bdbe7394723043fe (patch) | |
| tree | 554fce574d421839146da20fb73c3fcb32df7536 /drivers/net/ethernet/rdc/r6040.c | |
| parent | r6040: fix typo on stats update in tx path (diff) | |
| download | linux-8dd87a26c7db72ce3124eb20bdbe7394723043fe.tar.xz linux-8dd87a26c7db72ce3124eb20bdbe7394723043fe.zip | |
r6040: define and use MLSR register bits
Define the MLSR (MAC Last Status Register bits) for:
- tx fifo under-run
- tx exceed collision
- tx late collision
Signed-off-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/rdc/r6040.c')
| -rw-r--r-- | drivers/net/ethernet/rdc/r6040.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/ethernet/rdc/r6040.c b/drivers/net/ethernet/rdc/r6040.c index db33573efcf6..1a365ae598d6 100644 --- a/drivers/net/ethernet/rdc/r6040.c +++ b/drivers/net/ethernet/rdc/r6040.c @@ -77,6 +77,9 @@ #define MR_BSR 0x18 /* RX buffer size */ #define MR_DCR 0x1A /* RX descriptor control */ #define MLSR 0x1C /* Last status */ +#define TX_FIFO_UNDR 0x0200 /* TX FIFO under-run */ +#define TX_EXCEEDC 0x2000 /* Transmit exceed collision */ +#define TX_LATEC 0x4000 /* Transmit late collision */ #define MMDIO 0x20 /* MDIO control register */ #define MDIO_WRITE 0x4000 /* MDIO write */ #define MDIO_READ 0x2000 /* MDIO read */ @@ -604,9 +607,9 @@ static void r6040_tx(struct net_device *dev) /* Check for errors */ err = ioread16(ioaddr + MLSR); - if (err & 0x0200) + if (err & TX_FIFO_UNDR) dev->stats.tx_fifo_errors++; - if (err & (0x2000 | 0x4000)) + if (err & (TX_EXCEEDC | TX_LATEC)) dev->stats.tx_carrier_errors++; if (descptr->status & DSC_OWNER_MAC) |