Sometimes on dual port cards, one tx complete may cover both
ports. To handle that rearrange poll routine to lookup at
end.
Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]>
--- sky2-netdev.orig/drivers/net/sky2.c
+++ sky2-netdev/drivers/net/sky2.c
@@ -1242,6 +1242,9 @@ static void sky2_tx_complete(struct sky2
struct net_device *dev = sky2->netdev;
unsigned i;
+ if (done == sky2->tx_cons)
+ return;
+
if (unlikely(netif_msg_tx_done(sky2)))
printk(KERN_DEBUG "%s: tx done, up to %u\n",
dev->name, done);
@@ -1711,16 +1714,18 @@ error:
goto resubmit;
}
-/* Transmit ring index in reported status block is encoded as:
- *
- * | TXS2 | TXA2 | TXS1 | TXA1
+/*
+ * Check for transmit complete
*/
-static inline u16 tx_index(u8 port, u32 status, u16 len)
+static inline void sky2_tx_check(struct sky2_hw *hw, int port)
{
- if (port == 0)
- return status & 0xfff;
- else
- return ((status >> 24) & 0xff) | (len & 0xf) << 8;
+ struct net_device *dev = hw->dev[port];
+
+ if (dev && netif_running(dev)) {
+ sky2_tx_complete(netdev_priv(dev),
+ sky2_read16(hw, port == 0
+ ? STAT_TXA1_RIDX :
STAT_TXA2_RIDX));
+ }
}
/*
@@ -1803,8 +1808,7 @@ static int sky2_poll(struct net_device *
break;
case OP_TXINDEXLE:
- sky2_tx_complete(sky2,
- tx_index(sky2->port, status, length));
+ /* pick up transmit status later */
break;
default:
@@ -1816,6 +1820,8 @@ static int sky2_poll(struct net_device *
}
exit_loop:
+ sky2_tx_check(hw, 0);
+ sky2_tx_check(hw, 1);
mmiowb();
--
Stephen Hemminger <[EMAIL PROTECTED]>
OSDL http://developer.osdl.org/~shemminger
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