For RTL8168/8111D controller, make sure to wake PHY from power down
mode. Otherwise, PHY access times out under certain conditions.

IFC @230489 (pending review).

Fix a logic error which resulted in putting PHY into sleep when WOL
is active. If WOL is active driver should not put PHY into sleep.
This change makes WOL work on RTL8168E.

Free allocated jumbo buffers when controller is stopped.

Use a RX DMA tag to free loaded RX DMA maps.
Previously it used a TX DMA tag.

IFC to head to catch up the bhyve branch

Approved by: grehan@

add netmap support for "em", "lem", "igb" and "re".

On my hardware, "em" in netmap mode does about 1.388 Mpps
on one card (on an Asus motherboard), and 1.1 Mpps on another
card (PCIe bus). Both seem

add netmap support for "em", "lem", "igb" and "re".

On my hardware, "em" in netmap mode does about 1.388 Mpps
on one card (on an Asus motherboard), and 1.1 Mpps on another
card (PCIe bus). Both seem to be NIC-limited, because
i have the same rate even with the CPU running at 150 MHz.

On the "re" driver the tx throughput is around 420-450 Kpps
on various (8111C and the like) chipsets. On the Rx side
performance seems much better, and i can receive the full
load generated by the "em" cards.

"igb" is untested as i don't have the hardware.

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To save more power, switch to 10/100Mbps link when controller is
put into suspend/shutdown. Old PCI controllers performed that
operation in firmware but for RTL8111C or newer controllers, it's
respo

To save more power, switch to 10/100Mbps link when controller is
put into suspend/shutdown. Old PCI controllers performed that
operation in firmware but for RTL8111C or newer controllers, it's
responsibility of driver. It's not clear whether the firmware of
RTL8111B still downgrades its speed to 10/100Mbps so leave it as it
was.

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Make sure to stop TX MAC before freeing queued TX frames.
For RTL8111DP, check if the TX MAC is active by reading RL_GTXSTART
register. For RTL8402/8168E-VL/8168F/8411, wait until TX queue is
empty.

Disable accepting frames in re_stop() to put RX MAC into idle state.
Because there is no reliable way to know whether RX MAC is in
stopped state, rejecting all frames would be the only way to
minimiz

Disable accepting frames in re_stop() to put RX MAC into idle state.
Because there is no reliable way to know whether RX MAC is in
stopped state, rejecting all frames would be the only way to
minimize possible races.
Otherwise it's possible to receive frames while stop command
execution is in progress and controller can DMA the frame to freed
RX buffer during that period.
This was observed on recent PCIe controllers(i.e. RTL8111F).

While this change may not be required on old controllers it
wouldn't make negative effects on old controllers. One side effect
of this change is disabling receive so driver reprograms RL_RXCFG
to receive WOL frames when it is put into suspend or shutdown.

This should address occasional 'memory modified free' errors seen
on recent RealTek controllers.

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Perform media change after setting IFF_DRV_RUNNING flag. Without it,
driver would ignore the first link state update if controller
already established a link such that it would have to take
additiona

Perform media change after setting IFF_DRV_RUNNING flag. Without it,
driver would ignore the first link state update if controller
already established a link such that it would have to take
additional link state handling in re_tick().

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Writing access to RL_CFG5 register also requires EEPROM write
access.
While I'm here, enable WOL through magic packet but disable waking
up system via unicast, multicast and broadcast frames. Otherw

Writing access to RL_CFG5 register also requires EEPROM write
access.
While I'm here, enable WOL through magic packet but disable waking
up system via unicast, multicast and broadcast frames. Otherwise,
multicast or unicast frame(e.g. ICMP echo request) can wake up
system which is not probably wanted behavior on most environments.
This was not known as problem because RL_CFG5 register access had
not effect until this change.
The capability to wake up system with unicast/multicast frames
are still set in driver, default off, so users who need that
feature can still activate it with ifconfig(8).

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- There's no need to overwrite the default device method with the default
one. Interestingly, these are actually the default for quite some time
(bus_generic_driver_added(9) since r52045 and bus_

- There's no need to overwrite the default device method with the default
one. Interestingly, these are actually the default for quite some time
(bus_generic_driver_added(9) since r52045 and bus_generic_print_child(9)
since r52045) but even recently added device drivers do this unnecessarily.
Discussed with: jhb, marcel
- While at it, use DEVMETHOD_END.
Discussed with: jhb
- Also while at it, use __FBSDID.

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IFC @ r227804

Pull in the virtio drivers from head.

Add preliminary support for RTL8168/8111F PCIe Gigabit ethernet.

H/W donated by: RealTek Semiconductor Corp.

Add preliminary support for second generation RTL8105E PCIe
FastEthernet.

H/W donated by: RealTek Semiconductor Corp.

Disable PCIe ASPM (Active State Power Management) for all
controllers.
More and more RealTek controllers started to implement EEE feature.
Vendor driver seems to load a kind of firmware for EEE with

Disable PCIe ASPM (Active State Power Management) for all
controllers.
More and more RealTek controllers started to implement EEE feature.
Vendor driver seems to load a kind of firmware for EEE with
additional PHY fixups. It is known that the EEE feature may need
ASPM support. Unfortunately there is no documentation for EEE of
the controller so enabling ASPM may cause more problems.

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Add missing driver lock in SIOCSIFCAP handler.

Add preliminary support for RTL8411 PCIe Gigabit ethernet with
integrated card reader.

H/W donated by: RealTek Semiconductor Corp.

Add preliminary support for RTL8402 PCIe FastEthernet with
integrated card reader.

H/W donated by: RealTek Semiconductor Corp.

Sprinkle some const.

IFC @ r226824

Close a race where SIOCGIFMEDIA ioctl get inconsistent link status.
Because driver is accessing a common MII structure in
mii_pollstat(), updating user supplied structure should be done
before droppi

Close a race where SIOCGIFMEDIA ioctl get inconsistent link status.
Because driver is accessing a common MII structure in
mii_pollstat(), updating user supplied structure should be done
before dropping a driver lock.

Reported by: Karim (fodillemlinkarimi <> gmail dot com)

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IFC @ r225592

sys/dev/bvm/bvm_console.c - move up to the new alt-break order.

Integrate FreeBSD/head into projects/zfsd/head as of SVN revision 224870.