linux-stable.git/drivers/net/macb.c, branch v2.6.30

macb: process the RX ring regardless of interrupt status

2009-04-17T08:30:34+00:00

Suppose that we receive lots of frames, start processing them, but
exhaust our budget so that we return before we had a chance to look
at all of them.

Then, when the network layer calls us again, we will only continue
processing the buffers if the REC bit was set in the mean time, which it
might not be if there was a brief pause in the flow of packets. If this
happens, we'll simply display a warning and call netif_rx_complete()
with potentially lots of unprocessed packets in the RX ring...

Fix this by scanning the ring no matter what flags are set in the
interrupt status register.

Signed-off-by: Erik Waling 
Signed-off-by: Haavard Skinnemoen 
Signed-off-by: David S. Miller

macb: Handle Retry Limit Exceeded errors

2009-04-17T08:30:33+00:00

When transfering large amounts of data we sometimes experienced that the
Retry Limit Exceeded (RLE) bit got set in TSR during transmission
attempts. When this happened the driver would stall in a state that
prevented any more data from being sent.

Signed-off-by: Erik Waling 
Signed-off-by: Haavard Skinnemoen 
Signed-off-by: David S. Miller

macb: convert to net_device_ops

2009-04-13T22:16:27+00:00

Signed-off-by: Alexander Beregalov 
Signed-off-by: David S. Miller

macb: fix warning "warning: unused variable `dev' "

2009-03-24T23:30:20+00:00

Removed unused variable dev

Signed-off-by: vibi sreenivasan 
Signed-off-by: Haavard Skinnemoen 
Signed-off-by: David S. Miller

net: struct device - replace bus_id with dev_name(), dev_set_name()

2009-01-27T05:12:58+00:00

Signed-off-by: Kay Sievers 
Acked-by: Greg Kroah-Hartman 
Signed-off-by: David S. Miller

net: Remove redundant NAPI functions

2009-01-21T22:33:50+00:00

Following the removal of the unused struct net_device * parameter from
the NAPI functions named *netif_rx_* in commit 908a7a1, they are
exactly equivalent to the corresponding *napi_* functions and are
therefore redundant.

Signed-off-by: Ben Hutchings 
Acked-by: Neil Horman 
Signed-off-by: David S. Miller

macb: avoid lockup when TGO during underrun

2009-01-20T00:20:16+00:00

In rare cases when an underrun occur, all macb buffers where consumed
and the netif_queue was stopped infinitely. This happens then the TGO
(transfer ongoing) bit in the TSR is set (and UND). It seems like
clening up after the underrun makes the driver and the macb hardware
end up in an inconsistent state. The result of this is that in the
following calls to macb_tx no TX buffers are released -> the
netif_queue was stopped, and never woken up again.

The solution is to disable the transmitter, if TGO is set, before
clening up after the underrun, and re-enable the transmitter when the
cleaning up is done.

Signed-off-by: Richard Röjfors 
Signed-off-by: David S. Miller

net: Remove unused netdev arg from some NAPI interfaces.

2008-12-23T04:43:12+00:00

When the napi api was changed to separate its 1:1 binding to the net_device
struct, the netif_rx_[prep|schedule|complete] api failed to remove the now
vestigual net_device structure parameter.  This patch cleans up that api by
properly removing it..

Signed-off-by: Neil Horman 
Signed-off-by: David S. Miller

drivers/net: Kill now superfluous ->last_rx stores.

2008-11-04T05:11:17+00:00

The generic packet receive code takes care of setting
netdev->last_rx when necessary, for the sake of the
bonding ARP monitor.

Drivers need not do it any more.

Some cases had to be skipped over because the drivers
were making use of the ->last_rx value themselves.

Signed-off-by: David S. Miller

net: convert print_mac to %pM

2008-10-28T00:06:18+00:00

This converts pretty much everything to print_mac. There were
a few things that had conflicts which I have just dropped for
now, no harm done.

I've built an allyesconfig with this and looked at the files
that weren't built very carefully, but it's a huge patch.

Signed-off-by: Johannes Berg 
Signed-off-by: David S. Miller