linux.git/drivers/net/dsa/mv88e6xxx/Makefile, branch master

net: dsa: mv88e6xxx: convert 88e639x to phylink_pcs

2023-07-14T07:51:49+00:00

Convert the 88E6390, 88E6390X, and 88E6393X family of switches to use
the phylink_pcs infrastructure.

Signed-off-by: Russell King (Oracle) 
Signed-off-by: David S. Miller

net: dsa: mv88e6xxx: convert 88e6352 to phylink_pcs

2023-07-14T07:51:49+00:00

Convert the 88E6352 SERDES code to use the phylink_pcs infrastructure.

Signed-off-by: Russell King 
Signed-off-by: David S. Miller

net: dsa: mv88e6xxx: convert 88e6185 to phylink_pcs

2023-07-14T07:51:48+00:00

Convert the 88E6185 SERDES code to use the phylink_pcs infrastructure.

Reviewed-by: Andrew Lunn 
Signed-off-by: Russell King (Oracle) 
Signed-off-by: David S. Miller

net: dsa: mv88e6xxx: mac-auth/MAB implementation

2023-01-10T10:58:39+00:00

This implementation for the Marvell mv88e6xxx chip series is based on
handling ATU miss violations occurring when packets ingress on a port
that is locked with learning on. This will trigger a
SWITCHDEV_FDB_ADD_TO_BRIDGE event, which will result in the bridge module
adding a locked FDB entry. This bridge FDB entry will not age out as
it has the extern_learn flag set.

Userspace daemons can listen to these events and either accept or deny
access for the host, by either replacing the locked FDB entry with a
simple entry or leave the locked entry.

If the host MAC address is already present on another port, a ATU
member violation will occur, but to no real effect, and the packet will
be dropped in hardware. Statistics on these violations can be shown with
the command and example output of interest:

ethtool -S ethX
NIC statistics:
...
     atu_member_violation: 5
     atu_miss_violation: 23
...

Where ethX is the interface of the MAB enabled port.

Furthermore, as added vlan interfaces where the vid is not added to the
VTU will cause ATU miss violations reporting the FID as
MV88E6XXX_FID_STANDALONE, we need to check and skip the miss violations
handling in this case.

Signed-off-by: Hans J. Schultz 
Reviewed-by: Vladimir Oltean 
Signed-off-by: Paolo Abeni

net: dsa: mv88e6xxx: replace ATU violation prints with trace points

2022-12-12T23:01:18+00:00

In applications where the switch ports must perform 802.1X based
authentication and are therefore locked, ATU violation interrupts are
quite to be expected as part of normal operation. The problem is that
they currently spam the kernel log, even if rate limited.

Create a series of trace points, all derived from the same event class,
which log these violations to the kernel's trace buffer, which is both
much faster and much easier to ignore than printing to a serial console.

New usage model:

$ trace-cmd list | grep mv88e6xxx
mv88e6xxx
mv88e6xxx:mv88e6xxx_atu_full_violation
mv88e6xxx:mv88e6xxx_atu_miss_violation
mv88e6xxx:mv88e6xxx_atu_member_violation
$ trace-cmd record -e mv88e6xxx sleep 10

Signed-off-by: Vladimir Oltean 
Reviewed-by: Saeed Mahameed 
Reviewed-by: Florian Fainelli 
Signed-off-by: Jakub Kicinski

net: dsa: mv88e6xxx: Make global2 support mandatory

2021-01-28T03:28:16+00:00

Early generations of the mv88e6xxx did not have the global 2
registers. In order to keep the driver slim, it was decided to make
the code for these registers optional. Over time, more generations of
switches have been added, always supporting global 2 and adding more
and more registers. No effort has been made to keep these additional
registers also optional to slim the driver down when used for older
generations. Optional global 2 now just gives additional development
and maintenance burden for no real gain.

Make global 2 support always compiled in.

Signed-off-by: Andrew Lunn 
Reviewed-by: Florian Fainelli 
Reviewed-by: Vladimir Oltean 
Tested-by: Vladimir Oltean 
Link: https://lore.kernel.org/r/20210127003210.663173-1-andrew@lunn.ch
Signed-off-by: Jakub Kicinski

net: dsa: mv88e6xxx: Move devlink code into its own file

2020-09-19T01:17:45+00:00

There will soon be more devlink code. Move the existing code into a
file of its own, before we start adding this new code.

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

net: dsa: mv88e6xxx: update code operating on hidden registers

2019-08-28T04:42:16+00:00

This patch moves the functions operating on the hidden debug registers
into it's own file, port_hidden.c. The functions prefix is renamed from
mv88e6390_hidden_ to mv88e6xxx_port_hidden_, to be consistent with the
rest of this driver. The macros are prefixed with MV88E6XXX_ prefix, and
are changed not to use the BIT() macro nor bit shifts, since the rest of
the port.h file does not use it.

We also add the support for setting the Block Address field when
operating hidden registers. Marvell's mdio examples for SERDES settings
on Topaz use Block Address 0x7 when reading/writing hidden registers,
and although the specification says that block must be set to 0xf, those
settings are reachable only with Block Address 0x7.

Signed-off-by: Marek Behún 
Reviewed-by: Andrew Lunn 
Tested-by: Vivien Didelot 
Signed-off-by: David S. Miller

net: dsa: mv88e6xxx: refine SMI support

2019-05-06T04:50:22+00:00

The Marvell SOHO switches have several ways to access the internal
registers. One of them being the System Management Interface (SMI),
using the MDC and MDIO pins, with direct and indirect variants.

In preparation for adding support for other register accesses, move
the SMI code into its own files. At the same time, refine the code
to make it clear that the indirect variant is implemented using the
direct variant accessing only two registers for command and data.

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

net: dsa: mv88e6xxx: add rx/tx timestamping support

2018-02-14T19:33:37+00:00

This patch implements RX/TX timestamping support.

The Marvell PTP hardware supports RX timestamping individual message
types, but for simplicity we only support the EVENT receive filter since
few if any clients bother with the more specific filter types.

checkpatch and reverse Christmas tree changes by Andrew Lunn.

Re-factor duplicated code paths and avoid IfOk anti-pattern, use the
common ptp worker thread from the class layer and time stamp UDP/IPv4
frames as well as Layer-2 frame by Richard Cochran.

Signed-off-by: Brandon Streiff 
Signed-off-by: Andrew Lunn 
Signed-off-by: Richard Cochran 
Signed-off-by: David S. Miller