diff options
| author | Stephen Hemminger <shemminger@osdl.org> | 2005-06-27 22:33:14 +0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-06-28 02:05:07 +0400 |
| commit | d25f5a6774c3c567b11f8637a787603a62d102b1 (patch) | |
| tree | 30bb7fd421f93590de9a98eec4e135d4e0c67f34 /drivers/net | |
| parent | 7e676d9136d89d0cdf661de4b9a5f8955af94e03 (diff) | |
| download | linux-d25f5a6774c3c567b11f8637a787603a62d102b1.tar.xz | |
[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')
| -rw-r--r-- | drivers/net/skge.c | 18 | ||||
| -rw-r--r-- | drivers/net/skge.h | 7 |
2 files changed, 23 insertions, 2 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); diff --git a/drivers/net/skge.h b/drivers/net/skge.h index ba6dfd2f01d8..37323cd29e7e 100644 --- a/drivers/net/skge.h +++ b/drivers/net/skge.h @@ -203,8 +203,11 @@ enum { IS_XA2_F = 1<<1, /* Q_XA2 End of Frame */ IS_XA2_C = 1<<0, /* Q_XA2 Encoding Error */ - IS_PORT_1 = IS_XA1_F| IS_R1_F| IS_MAC1, - IS_PORT_2 = IS_XA2_F| IS_R2_F| IS_MAC2, + IS_TO_PORT1 = IS_PA_TO_RX1 | IS_PA_TO_TX1, + IS_TO_PORT2 = IS_PA_TO_RX2 | IS_PA_TO_TX2, + + IS_PORT_1 = IS_XA1_F| IS_R1_F | IS_TO_PORT1 | IS_MAC1, + IS_PORT_2 = IS_XA2_F| IS_R2_F | IS_TO_PORT2 | IS_MAC2, }; |