sky2: handle descriptor errors

There should never be descriptor error unless hardware or driver is buggy.
But if an error occurs, print useful information, clear irq, and recover.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h
index ac24bdc42976..9ca4a2c061c6 100644
--- a/drivers/net/sky2.h
+++ b/drivers/net/sky2.h
@@ -288,6 +288,9 @@ enum {
                           | Y2_IS_CHK_TXA1 | Y2_IS_CHK_RX1,
         Y2_IS_PORT_2    = Y2_IS_IRQ_PHY2 | Y2_IS_IRQ_MAC2
                           | Y2_IS_CHK_TXA2 | Y2_IS_CHK_RX2,
+        Y2_IS_ERROR     = Y2_IS_HW_ERR |
+                          Y2_IS_IRQ_MAC1 | Y2_IS_CHK_TXA1 | Y2_IS_CHK_RX1 |
+                          Y2_IS_IRQ_MAC2 | Y2_IS_CHK_TXA2 | Y2_IS_CHK_RX2,
 };
 
 /*      B2_IRQM_HWE_MSK 32 bit  IRQ Moderation HW Error Mask */