linux.git/include/linux/phy.h, branch v4.3-rc1

net: phy: Allow PHY devices to identify themselves as Ethernet switches, etc.

2015-08-31T21:48:01+00:00

Some Ethernet MAC drivers using the PHY library require the hardcoding
of link parameters when interfaced to a switch device, SFP module,
switch to switch port, etc. This has typically lead to various ad-hoc
implementations looking like this:

- using a "fixed PHY" emulated device, which will provide link
  indication towards the Ethernet MAC driver and hardware

- pretend there is no PHY and hardcode link parameters, ala mv643x_eth

Based on that, it is desireable to have the PHY drivers advertise the
correct link parameters, just like regular Ethernet PHYs towards their
CPU Ethernet MAC drivers, however, Ethernet MAC drivers should be able
to tell whether this link should be monitored or not. In the context
of an Ethernet switch, SFP module, switch to switch link, we do not
need to monitor this link since it should be always up.

Signed-off-by: Florian Fainelli 
Signed-off-by: Andrew Lunn 
Signed-off-by: David S. Miller

net: phy: Pass mdix ethtool setting through to phy driver

2015-07-11T06:17:32+00:00

Pass the mdix setting from ethtool down to the phy driver, to allow
driver specific implementations of manually setting the polarity.

Signed-off-by: David Thomson 
Reviewed-by: Florian Fainelli 
Signed-off-by: David S. Miller

net: phy: Add phy_interface_is_rgmii helper

2015-05-27T04:27:35+00:00

RGMII interfaces come in 4 different flavors that the PHY library needs
to care about: regular RGMII (no delays), RGMII with either RX or TX
delay, and both. In order to avoid errors of checking only for one type
of RGMII interface and miss the 3 others, introduce a convenience
function which tests for all values.

Suggested-by: David S. Miller 
Signed-off-by: Florian Fainelli 
Signed-off-by: David S. Miller

net: phy: Add phy_ignore_ta_mask to account for broken turn-around

2015-05-14T17:40:55+00:00

Some PHY devices/switches will not release the turn-around line as they
should do at the end of a MDIO transaction. To help with such
situations, allow MDIO bus drivers to be made aware of such
restrictions.

Signed-off-by: Florian Fainelli 
Signed-off-by: David S. Miller

net: phy: keep track of the PHY suspend state

2015-01-27T08:16:51+00:00

In order to avoid double calls to phydev->drv->suspend and resume, keep
track of whether the PHY has already been suspended as a consequence of
a successful call to phy_suspend(). We will use this in our MDIO bus
suspend/resume hooks to avoid a double suspend call.

Signed-off-by: Florian Fainelli 
Signed-off-by: David S. Miller

net: phy: document has_fixups field

2015-01-27T08:16:51+00:00

has_fixups was introduced to help keeping track of fixups/quirks running
on a PHY device, but we did not update the comment above struct
phy_device accordingly.

Fixes: b0ae009f3dc14 (net: phy: add "has_fixups" boolean property")
Signed-off-by: Florian Fainelli 
Signed-off-by: David S. Miller

ethtool: Extend ethtool plugin module eeprom API to phylib

2015-01-06T22:16:55+00:00

This patch extends the ethtool plugin module eeprom API to support cards
whose phy support is delegated to a separate driver.

The handlers for ETHTOOL_GMODULEINFO and ETHTOOL_GMODULEEEPROM call the
module_info and module_eeprom functions if the phy driver provides them;
otherwise the handlers call the equivalent ethtool_ops functions provided
by network drivers with built-in phy support.

Signed-off-by: Ed Swierk 
Signed-off-by: David S. Miller

net: phy: add static data field to struct phy_driver

2014-11-21T19:08:55+00:00

Add static driver-data field to struct phy_driver, which can be used to
store structured device-type information.

Signed-off-by: Johan Hovold 
Signed-off-by: David S. Miller

net: phy: add module_phy_driver macro

2014-11-12T18:52:52+00:00

Add helper macro for PHY drivers which do not do anything special in
module init/exit. This will allow us to eliminate a lot of boilerplate
code.

Signed-off-by: Johan Hovold 
Signed-off-by: David S. Miller

net: phy: export phy_{read,write}_mmd_indirect

2014-08-23T18:39:09+00:00

Some PHY drivers might need to access Clause 45 registers in Clause 22
compatibility mode to e.g: properly advertise EEE support when disabled
by default.

Export these two helper functions: phy_read_mmd_indirect() and
phy_write_mmd_indirect() for drivers to use them.

Signed-off-by: Florian Fainelli 
Signed-off-by: David S. Miller