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authorStephen Hemminger <shemminger@linux-foundation.org>2007-05-14 12:38:13 -0700
committerJeff Garzik <jeff@garzik.org>2007-05-17 20:43:14 -0400
commita3caeada948535f126e407457e15f2633ee7168a (patch)
tree9a083f3b090d3c59ff4ee40942a0f9636a2b1dbc /drivers/net/sky2.c
parent3225b919036a3ec2e96bb36b7a4fd64c43fdbe84 (diff)
downloadtalos-obmc-linux-a3caeada948535f126e407457e15f2633ee7168a.tar.gz
talos-obmc-linux-a3caeada948535f126e407457e15f2633ee7168a.zip
sky2: MIB counter overflow handling
Make sure that if we ever get a MIB counter overflow interrupt (normally masked off), that the IRQ is cleared. Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/net/sky2.c')
-rw-r--r--drivers/net/sky2.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index bde28ad9797d..6e360f816605 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -2345,6 +2345,12 @@ static void sky2_mac_intr(struct sky2_hw *hw, unsigned port)
printk(KERN_INFO PFX "%s: mac interrupt status 0x%x\n",
dev->name, status);
+ if (status & GM_IS_RX_CO_OV)
+ gma_read16(hw, port, GM_RX_IRQ_SRC);
+
+ if (status & GM_IS_TX_CO_OV)
+ gma_read16(hw, port, GM_TX_IRQ_SRC);
+
if (status & GM_IS_RX_FF_OR) {
++sky2->net_stats.rx_fifo_errors;
sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_CLI_RX_FO);
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