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Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.
[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through
Signed-off-by: Gustavo A. R. Silva <[email protected]>
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Microchip lan7431 is frequently connected to a phy. However, it
can also be directly connected to a MII remote peer without
any phy in between. For supporting such a phyless hardware setup
in Linux we utilized phylib, which supports a fixed-link
configuration via the device tree. And we added support for
defining the connection type R/GMII in the device tree.
New behavior:
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. The automatic speed and duplex detection of the lan743x silicon
between mac and phy is disabled. Instead phylib is used like in
other typical Linux drivers. The usage of phylib allows to
specify fixed-link parameters in the device tree.
. The device tree entry phy-connection-type is supported now with
the modes RGMII or (G)MII (default).
Development state:
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. Tested with fixed-phy configurations. Not yet tested in normal
configurations with phy. Microchip kindly offered testing
as soon as the Corona measures allow this.
. All review findings of Andrew Lunn are included
Example:
--------
&pcie {
status = "okay";
host@0 {
reg = <0 0 0 0 0>;
#address-cells = <3>;
#size-cells = <2>;
ethernet@0 {
compatible = "weyland-yutani,noscom1", "microchip,lan743x";
status = "okay";
reg = <0 0 0 0 0>;
phy-connection-type = "rgmii";
fixed-link {
speed = <100>;
full-duplex;
};
};
};
};
Signed-off-by: Roelof Berg <[email protected]>
Signed-off-by: Andrew Lunn <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The LAN743x includes on chip One-Time-Programmable (OTP) memory.
This patch extends the ethtool EEPROM read/write interface to
access OTP memory space.
The currently existing interface is limited, as it does not
allow OTP read, and OTP writes are restricted to
offset==0, length==512, and data[0]==0xF3.
This patch removes these restrictions and adds a private flag
called OTP_ACCESS, which is used to switch between EEPROM, and
OTP modes.
The private flag OTP_ACCESS is configurable through the
ethtool --set-priv-flags command.
And visible through the
ethtool --show-priv-flags command.
By default OTP_ACCESS is false, and there for previously existing
EEPROM commands will work exactly the same. However now access to
OTP requires one extra step of setting OTP_ACCESS to true. This
flag controls the read, write, and length reporting, functions
of ethtool.
EEPROM presence is not checked when setting or clearing this flag.
If the EEPROM is not present, the user, as before, will need to
diagnose that using existing read and write function of ethtool,
while OTP_ACCESS is false.
Updates for V2:
Added comments as to why this patch is needed.
Added comments explaining that EEPROM presence is not check
when setting or clearing the OTP_ACCESS flag.
Added length checking to all otp/eeprom read/write functions.
Signed-off-by: Bryan Whitehead <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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PTP support includes:
Ingress, and egress timestamping.
One step timestamping available.
PTP clock support.
Periodic output support.
Signed-off-by: Bryan Whitehead <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Implement RSS support
Signed-off-by: Bryan Whitehead <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Implement EEE support
Signed-off-by: Bryan Whitehead <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Implement power management
Supports suspend, resume, and Wake on LAN
Signed-off-by: Bryan Whitehead <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Implement ethtool eeprom access
Also provides access to OTP (One Time Programming)
Signed-off-by: Bryan Whitehead <[email protected]>
Reviewed-by: Andrew Lunn <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Implement ethtool message level
Signed-off-by: Bryan Whitehead <[email protected]>
Reviewed-by: Andrew Lunn <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Implement ethtool statistics
Signed-off-by: Bryan Whitehead <[email protected]>
Reviewed-by: Andrew Lunn <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Use default link setting functions
Signed-off-by: Bryan Whitehead <[email protected]>
Reviewed-by: Andrew Lunn <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Implement ethtool get_drvinfo
Signed-off-by: Bryan Whitehead <[email protected]>
Reviewed-by: Andrew Lunn <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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