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Use the hardware to do VLAN.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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The Yukon2 chip FIFO has a problem recovering from a pause frame
if the receive buffer is not aligned. The workaround is to just
leave receive buffer at original alignment, which will make IP
header unaligned. Rework receive logic for clarity.
Need to ignore receive overrun interrupts (or mac hangs).
These fixes make the sky2 driver generally usable.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Here is revised patch against netdev sky2 branch.
It includes whitespace fixes, all the changes from the previous
review as well as some optimizations and timing fixes to
solve some of the hangs.
The stall problem is better but not perfect. It appears that
under stress the chip can't keep up with the bus
and sends a pause frame, then hangs. This version is for
testing, and hopefully other eyes might see the root
cause of the problem.
I don't want to reinvent the ugly watchdog code in the syskonnect
version of sk98lin. If you read it you will see, the original
driver writer and the hardware developer obviously didn't
understand each other.
Dual port support is included, but not tested yet. It did
require small change to NAPI since both ports share same
IRQ.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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New driver for the Marvell Yukon2 Gigabit Ethernet chipset.
This driver is based on the skge driver, but using the logic
from the SysKonnect version of the sk98lin driver.
It should support all the Yukon2 chipsets that are available
in many current Intel and AMD motherboards.
The driver does support ethtool, tx and rx checksum, and
tcp segmentation offload. But it has only been tested for
a short while and is known to stop receiving under heavy load.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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