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authorStephen Hemminger <shemminger@osdl.org>2005-06-27 11:33:14 -0700
committerJeff Garzik <jgarzik@pobox.com>2005-06-27 18:05:07 -0400
commitd25f5a6774c3c567b11f8637a787603a62d102b1 (patch)
tree30bb7fd421f93590de9a98eec4e135d4e0c67f34 /drivers/net/skge.c
parent7e676d9136d89d0cdf661de4b9a5f8955af94e03 (diff)
downloadtalos-op-linux-d25f5a6774c3c567b11f8637a787603a62d102b1.tar.gz
talos-op-linux-d25f5a6774c3c567b11f8637a787603a62d102b1.zip
[PATCH] skge: handle Tx/Rx arbiter timeout
Need to handle receive and transmit packet arbiter timeouts. Transmit arbiter timeouts happens when Gigabit sends to 100Mbit port on same switch and pause occurs. Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Diffstat (limited to 'drivers/net/skge.c')
-rw-r--r--drivers/net/skge.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 290d6aa92383..9f24714260be 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -2731,6 +2731,24 @@ static irqreturn_t skge_intr(int irq, void *dev_id, struct pt_regs *regs)
if (status & IS_XA2_F)
skge_tx_intr(hw->dev[1]);
+ if (status & IS_PA_TO_RX1) {
+ struct skge_port *skge = netdev_priv(hw->dev[0]);
+ ++skge->net_stats.rx_over_errors;
+ skge_write16(hw, B3_PA_CTRL, PA_CLR_TO_RX1);
+ }
+
+ if (status & IS_PA_TO_RX2) {
+ struct skge_port *skge = netdev_priv(hw->dev[1]);
+ ++skge->net_stats.rx_over_errors;
+ skge_write16(hw, B3_PA_CTRL, PA_CLR_TO_RX2);
+ }
+
+ if (status & IS_PA_TO_TX1)
+ skge_write16(hw, B3_PA_CTRL, PA_CLR_TO_TX1);
+
+ if (status & IS_PA_TO_TX2)
+ skge_write16(hw, B3_PA_CTRL, PA_CLR_TO_TX2);
+
if (status & IS_MAC1)
skge_mac_intr(hw, 0);
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