diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-15 15:03:17 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-15 15:03:17 -0700 |
commit | c3da31485f074a6f598b67045b08e2e15d908310 (patch) | |
tree | 64f9ad3d3752e80de2b22b47cbea8f8512dc5d59 /drivers/net/davinci_emac.c | |
parent | bd0704111e625ebe75418531550cf471215c3267 (diff) | |
parent | 8f7e524ce33ca81b663711404709396165da3cbd (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (53 commits)
vmxnet: fix 2 build problems
net: add support for STMicroelectronics Ethernet controllers.
net: ks8851_mll uses mii interfaces
net/fec_mpc52xx: Fix kernel panic on FEC error
net: Fix OF platform drivers coldplug/hotplug when compiled as modules
TI DaVinci EMAC: Clear statistics register properly.
r8169: partial support and phy init for the 8168d
irda/sa1100_ir: check return value of startup hook
udp: Fix udp_poll() and ioctl()
WAN: fix Cisco HDLC handshaking.
tcp: fix tcp_defer_accept to consider the timeout
3c574_cs: spin_lock the set_multicast_list function
net: Teach pegasus driver to ignore bluetoother adapters with clashing Vendor:Product IDs
netxen: fix pci bar mapping
ethoc: fix warning from 32bit build
libertas: fix build
net: VMware virtual Ethernet NIC driver: vmxnet3
net: Fix IXP 2000 network driver building.
libertas: fix build
mac80211: document ieee80211_rx() context requirement
...
Diffstat (limited to 'drivers/net/davinci_emac.c')
-rw-r--r-- | drivers/net/davinci_emac.c | 36 |
1 files changed, 24 insertions, 12 deletions
diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c index 65a2d0ba64e2..f72c56dec33c 100644 --- a/drivers/net/davinci_emac.c +++ b/drivers/net/davinci_emac.c @@ -333,6 +333,9 @@ static const char emac_version_string[] = "TI DaVinci EMAC Linux v6.1"; #define EMAC_DM646X_MAC_EOI_C0_RXEN (0x01) #define EMAC_DM646X_MAC_EOI_C0_TXEN (0x02) +/* EMAC Stats Clear Mask */ +#define EMAC_STATS_CLR_MASK (0xFFFFFFFF) + /** net_buf_obj: EMAC network bufferdata structure * * EMAC network buffer data structure @@ -2548,40 +2551,49 @@ static int emac_dev_stop(struct net_device *ndev) static struct net_device_stats *emac_dev_getnetstats(struct net_device *ndev) { struct emac_priv *priv = netdev_priv(ndev); + u32 mac_control; + u32 stats_clear_mask; /* update emac hardware stats and reset the registers*/ + mac_control = emac_read(EMAC_MACCONTROL); + + if (mac_control & EMAC_MACCONTROL_GMIIEN) + stats_clear_mask = EMAC_STATS_CLR_MASK; + else + stats_clear_mask = 0; + priv->net_dev_stats.multicast += emac_read(EMAC_RXMCASTFRAMES); - emac_write(EMAC_RXMCASTFRAMES, EMAC_ALL_MULTI_REG_VALUE); + emac_write(EMAC_RXMCASTFRAMES, stats_clear_mask); priv->net_dev_stats.collisions += (emac_read(EMAC_TXCOLLISION) + emac_read(EMAC_TXSINGLECOLL) + emac_read(EMAC_TXMULTICOLL)); - emac_write(EMAC_TXCOLLISION, EMAC_ALL_MULTI_REG_VALUE); - emac_write(EMAC_TXSINGLECOLL, EMAC_ALL_MULTI_REG_VALUE); - emac_write(EMAC_TXMULTICOLL, EMAC_ALL_MULTI_REG_VALUE); + emac_write(EMAC_TXCOLLISION, stats_clear_mask); + emac_write(EMAC_TXSINGLECOLL, stats_clear_mask); + emac_write(EMAC_TXMULTICOLL, stats_clear_mask); priv->net_dev_stats.rx_length_errors += (emac_read(EMAC_RXOVERSIZED) + emac_read(EMAC_RXJABBER) + emac_read(EMAC_RXUNDERSIZED)); - emac_write(EMAC_RXOVERSIZED, EMAC_ALL_MULTI_REG_VALUE); - emac_write(EMAC_RXJABBER, EMAC_ALL_MULTI_REG_VALUE); - emac_write(EMAC_RXUNDERSIZED, EMAC_ALL_MULTI_REG_VALUE); + emac_write(EMAC_RXOVERSIZED, stats_clear_mask); + emac_write(EMAC_RXJABBER, stats_clear_mask); + emac_write(EMAC_RXUNDERSIZED, stats_clear_mask); priv->net_dev_stats.rx_over_errors += (emac_read(EMAC_RXSOFOVERRUNS) + emac_read(EMAC_RXMOFOVERRUNS)); - emac_write(EMAC_RXSOFOVERRUNS, EMAC_ALL_MULTI_REG_VALUE); - emac_write(EMAC_RXMOFOVERRUNS, EMAC_ALL_MULTI_REG_VALUE); + emac_write(EMAC_RXSOFOVERRUNS, stats_clear_mask); + emac_write(EMAC_RXMOFOVERRUNS, stats_clear_mask); priv->net_dev_stats.rx_fifo_errors += emac_read(EMAC_RXDMAOVERRUNS); - emac_write(EMAC_RXDMAOVERRUNS, EMAC_ALL_MULTI_REG_VALUE); + emac_write(EMAC_RXDMAOVERRUNS, stats_clear_mask); priv->net_dev_stats.tx_carrier_errors += emac_read(EMAC_TXCARRIERSENSE); - emac_write(EMAC_TXCARRIERSENSE, EMAC_ALL_MULTI_REG_VALUE); + emac_write(EMAC_TXCARRIERSENSE, stats_clear_mask); priv->net_dev_stats.tx_fifo_errors = emac_read(EMAC_TXUNDERRUN); - emac_write(EMAC_TXUNDERRUN, EMAC_ALL_MULTI_REG_VALUE); + emac_write(EMAC_TXUNDERRUN, stats_clear_mask); return &priv->net_dev_stats; } |