Commit Graph

616 Commits

Author SHA1 Message Date
Vivien Didelot
bec90b6d96 net: dsa: mv88e6xxx: prefix PHY macros
Prefix the PHY_* macros with a Marvell specific MV88E6XXX_ prefix.
There is no functional changes.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-09 12:11:00 -04:00
Vivien Didelot
cd782656da net: dsa: mv88e6xxx: rework jumbo size operation
Marvell chips have a Jumbo Mode to set the maximum frame size (MTU).

The mv88e6xxx_ops structure is meant to contain generic functionalities,
no driver logic. Change port_jumbo_config to port_set_jumbo_size setting
the mode from a given maximum size value.

There is no functional changes since we still use 10240 bytes.

At the same time, correctly clear all Jumbo Mode bits before writing.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-09 12:10:59 -04:00
Vivien Didelot
0898432cc2 net: dsa: mv88e6xxx: rework pause limit operation
All Marvell chips supporting Pause frames limiting use 1-byte value for
input and output.

Old chips have both bytes adjacent in a 16-bit register. New ones have
an indirect table using 8-bit data.

The mv88e6xxx library functions (such as in port.c) must not contain
driver logic, but only generic helpers. This patch changes the
port_pause_config operation for port_pause_limit taking two u8 arguments
for input and output limits. There is no functional changes.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-09 12:10:59 -04:00
Vivien Didelot
fa8d117960 net: dsa: mv88e6xxx: do not prefix ops with g1
The mv88e6xxx_ops describe functionalities, regardless their locations
(which can be Global1, Global2, or whatever register set.)

Rename the g1_set_cpu_port and g1_set_egress_port ops to set_cpu_port
and set_egress_port. No functional changes.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-09 12:10:58 -04:00
Vivien Didelot
f894c29c35 net: dsa: mv88e6xxx: use bridge state values
Reuse the BR_STATE_* values to abstract a port STP state value.

This provides shorter names and better control over the DSA switch
operation call.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-09 12:10:58 -04:00
Vivien Didelot
31bef4e90c net: dsa: mv88e6xxx: add egress mode enumeration
As for the frame mode, add a mv88e6xxx_egress_mode enumeration instead
of a 16-bit register mask.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-09 12:10:57 -04:00
Vivien Didelot
774439e532 net: dsa: mv888e6xxx: do not use netdev printing
The mv888e6xxx driver accesses a port's netdev mostly for printing.

This is bad for 2 reasons: DSA and CPU ports do not have a netdev
pointer; it doesn't give us a correct picture of why a DSA driver might
need to access a port's netdev.

Instead simply use dev_* printing functions with chip->dev (or ds->dev
depending on the scope, both guaranteed to exist), with a p%d prefix for
the target port.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-09 12:10:57 -04:00
Vivien Didelot
adc3a9ce85 net: dsa: mv88e6xxx: do not skip ports on VLAN del
The mv88e6xxx driver currently tries to be smart and remove by itself a
VLAN entry from the VTU when the driven switch sees no user ports as
members of the VLAN.

This is bad in a multi-chip switch fabric, since a chip in between
others may have no bridge port members, but still needs to be aware of
the VID in order to correctly pass frames in the data path.

Now that the DSA core explicitly manages DSA and CPU ports, do not skip
them when checking remaining VLAN members.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-08 11:43:32 -04:00
Vivien Didelot
553a768dea net: dsa: mv88e6xxx: exclude all ports in new VLAN
Now that the DSA core adds the CPU and DSA ports itself to the new VLAN
entry, there is no need to include them as members of this VLAN when
initializing a new VTU entry.

As of now, initialize a new VTU entry with all ports excluded.

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-08 11:43:32 -04:00
Vivien Didelot
c91498e15b net: dsa: mv88e6xxx: define membership on VLAN add
Define the target port membership of the VLAN entry in
mv88e6xxx_port_vlan_add where ds is scoped.

Allow the DSA core to call later the port_vlan_add operation for CPU or
DSA ports, by using the Unmodified membership for these ports, as in the
current behavior.

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-08 11:43:31 -04:00
Andrew Lunn
5ebe31d7b2 net: dsa: mv88e6xxx: Have 6161/6123 use EDSA tags
The mv88e6161 and mv88e6123 are capable of using EDSA tags when
passing frames from the host to the switch and back.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-07 15:28:23 -04:00
David S. Miller
216fe8f021 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Just some simple overlapping changes in marvell PHY driver
and the DSA core code.

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-06 22:20:08 -04:00
Vivien Didelot
5461bd41fd net: dsa: mv88e6xxx: fix 6085 frame mode masking
The register bits used for the frame mode were masked with DSA (0x1)
instead of the mask value (0x3) in the 6085 implementation of
port_set_frame_mode. Fix this.

Fixes: 56995cbc35 ("net: dsa: mv88e6xxx: Refactor CPU and DSA port setup")
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-06 16:04:29 -04:00
Andrew Lunn
0ac64c3949 net: dsa: mv88e6xxx: mv88e6161 uses mv88e6320 stats snapshot
The mv88e6161 was using the wrong method to perform statistics
snapshot.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-04 21:34:17 -04:00
Andrew Lunn
ec8378bb4d net: dsa: mv88e6xxx: 6161 uses global 2 for PHY access
Access to the internal PHYs of the 6161 and 6123 go through global 2
SMI registers. Fix the ops structure.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-04 21:34:17 -04:00
Vivien Didelot
d23a83f2ae net: dsa: mv88e6xxx: move the Global 2 macros
Move the GLOBAL2_* macros where they belong, in the related global2.h
header.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-04 20:07:41 -04:00
Vivien Didelot
e097097b27 net: dsa: mv88e6xxx: move the Global 1 macros
Move the GLOBAL_* macros where they belong, in the related global1.h
header. Include it in global2.c which uses GLOBAL_STATUS_IRQ_DEVICE.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-04 20:07:41 -04:00
Vivien Didelot
d2a160b5a7 net: dsa: mv88e6xxx: move the Port macros
Move the PORT_* macros where they belong, in the related port.h header.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-04 20:07:41 -04:00
Vivien Didelot
c4530ee177 net: dsa: mv88e6xxx: move PHY macros
Move the PHY_* macros where they belong, in the related phy.h header.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-04 20:07:41 -04:00
Vivien Didelot
4d5f2ba778 net: dsa: mv88e6xxx: rename chip header
The mv88e6xxx.h is meant to contains the chip structures and data.
Rename it to chip.h, as for other source/header pairs of the driver.

At the same time, ensure that relative header inclusions are separated
by a newline and sorted alphabetically.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-04 20:07:40 -04:00
Woojung Huh
b987e98e50 dsa: add DSA switch driver for Microchip KSZ9477
The KSZ9477 is a fully integrated layer 2, managed, 7 ports GigE switch
with numerous advanced features. 5 ports incorporate 10/100/1000 Mbps PHYs.
The other 2 ports have interfaces that can be configured as SGMII, RGMII, MII
or RMII. Either of these may connect directly to a host processor or
to an external PHY. The SGMII port may interface to a fiber optic transceiver.

This driver currently supports vlan, fdb, mdb & mirror dsa switch operations.

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Woojung Huh <Woojung.Huh@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-31 20:56:31 -04:00
Vivien Didelot
23c9ee4934 net: dsa: remove dev arg of dsa_register_switch
The current dsa_register_switch function takes a useless struct device
pointer argument, which always equals ds->dev.

Drivers either call it with ds->dev, or with the same device pointer
passed to dsa_switch_alloc, which ends up being assigned to ds->dev.

This patch removes the second argument of the dsa_register_switch and
_dsa_register_switch functions.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-31 12:35:43 -04:00
Vivien Didelot
b15a7c039d net: dsa: mv88e6xxx: rename PHY PPU functions
Respect the implicit naming convention used in all register sets
specific files, by renaming the mv88e6xxx_ppu_* functions with the
mv88e6xxx_phy_* prefix.

This is simply a s/xxx_ppu/xxx_phy_ppu/ substitution.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-31 12:35:00 -04:00
Vivien Didelot
7e20cfb504 net: dsa: mv88e6xxx: rename PHY PPU accessors
Make it clear that mv88e6xxx_phy_ppu_{read,write} are an implementation
of the .phy_{read,write} operations, by renaming them with the mv88e6185
prefix, since 88E6185 it is the reference switch model supported in an
upstream board (ZII Dev Rev B), which makes use of them.

Distinguish the signatures of implementation specific and generic PHY
functions in the phy.h header.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-31 12:35:00 -04:00
Vivien Didelot
1b17aedffb net: dsa: mv88e6xxx: provide a PHY setup helper
Similarly to the VTU, PVT and ATU setup, provide a mv88e6xxx_phy_setup
helper which wraps mv88e6xxx_ppu_enable, so that no more PPU-related
functions are exposed outside of phy.c.

Thus make mv88e6xxx_ppu_enable static.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-31 12:34:59 -04:00
Vivien Didelot
e6cbef0ced net: dsa: b53: remove unused dev argument
The port net device passed to b53_fdb_copy is not used. Remove it.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-30 18:13:41 -04:00
Arnd Bergmann
59b2c3140f net: dsa: mv88e6xxx: Add missing static to stub functions
'static' was not enough, the helpers must be 'static inline'

net/dsa/mv88e6xxx/global2.h:123:12: error: 'mv88e6xxx_g2_misc_4_bit_port' defined but not used [-Werror=unused-function]
net/dsa/mv88e6xxx/global2.h:117:12: error: 'mv88e6xxx_g2_pvt_write' defined but not used [-Werror=unused-function]

Fixes: c21fbe29f8 ("net: dsa: mv88e6xxx: Add missing static to stub functions")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-30 14:07:53 -04:00
Andrew Lunn
c21fbe29f8 net: dsa: mv88e6xxx: Add missing static to stub functions
Stub functions in header files need to be static, or we can have
multiple definitions errors.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Fixes: 6335e9f244 ("net: dsa: mv88e6xxx: mv88e6390X SERDES support")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-28 11:41:10 -04:00
Vivien Didelot
523a89041c net: dsa: mv88e6xxx: handle SERDES error appropriately
mv88e6xxx_serdes_power returns an error, so no need to print an error
message inside of it. Rather print it in its caller when the error is
ignored, which is in the mv88e6xxx_port_disable void function.

Catch and return its error in the counterpart mv88e6xxx_port_enable.

Fixes: 04aca99382 ("dsa: mv88e6xxx: Enable/Disable SERDES on port enable/disable")
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-27 18:54:02 -04:00
Andrew Lunn
04aca99382 dsa: mv88e6xxx: Enable/Disable SERDES on port enable/disable
Implement the port enable/disable callbacks, which enable/disable the
SERDES interfaces, if applicable. This should save a bit of
power/heat.

We also need to enable SERDES on CPU and DSA ports, so keep the
existing call to the op, but make it conditional.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-26 15:00:45 -04:00
Andrew Lunn
6335e9f244 net: dsa: mv88e6xxx: mv88e6390X SERDES support
The mv88e6390X family has 8 SERDES lanes. These can be used for 2
10Gbps ports, ports 9 or 10. If these ports are used at slower speeds,
the SERDES lanes become available for other ports for 1000Base-X.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-26 15:00:45 -04:00
Andrew Lunn
ba9b989dc7 net: dsa: mv88e6xxx: Remove SERDES flag
Now that we use an op for SERDES operations, we don't need a flag for
it. Remove it.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-26 15:00:45 -04:00
Andrew Lunn
6d91782f0f net: dsa: mv88e6xxx: Refactor mv88e6352 SERDES code into an op
The mv88e6390 family has a different SERDES implementation. Refactor
the mv88e6352 code into an ops function, so we can later add the
mv88e6390 code.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-26 15:00:44 -04:00
Andrew Lunn
10fa5bfcd6 net: dsa: mv88e6xxx: Move phy functions into phy.[ch]
The upcoming SERDES support will need to make use of PHY functions. Move
them out into a file of there own. No code changes.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-26 15:00:44 -04:00
Eric Anholt
9b910d2966 net: dsa: b53: Add compatible strings for the Cygnus-family BCM11360.
Cygnus is a small family of SoCs, of which we currently have
devicetree for BCM11360 and BCM58300.  The 11360's B53 is mostly the
same as 58xx, just requiring a tiny bit of setup that was previously
missing.

Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-18 11:01:42 -04:00
Vivien Didelot
438ff53739 net: dsa: use switchdev_obj_dump_cb_t everywhere
Now that the DSA public header includes switchdev.h, use the provided
switchdev_obj_dump_cb_t typedef for the object dump callback.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-18 10:40:12 -04:00
Vivien Didelot
f0c24ccf49 net: dsa: include switchdev.h only once
DSA drivers and core use switchdev. Include switchdev.h only once, in
the dsa.h public header, so that inclusion in DSA drivers or forward
declarations of switchdev structures in not necessary anymore.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-18 10:40:12 -04:00
Andrew Lunn
ec34e93f99 drivers: net: DSA: Sort drivers
With more drivers being added, it is time to sort the drivers to
impose some order.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-17 15:19:40 -04:00
Vivien Didelot
8b0d3ea555 net: dsa: store CPU port pointer in the tree
A dsa_switch_tree instance holds a dsa_switch pointer and a port index
to identify the switch port to which the CPU is attached.

Now that the DSA layer has a dsa_port structure to hold this data, use
it to point the switch CPU port.

This patch simply substitutes s/dst->cpu_switch/dst->cpu_dp->ds/ and
s/dst->cpu_port/dst->cpu_dp->index/.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-17 14:19:12 -04:00
Gustavo A. R. Silva
9fc3e4dc67 net: dsa: mv88e6xxx: add default case to switch
Add default case to switch in order to avoid any chance of using an
uninitialized variable _low_, in case s->type does not match any of
the listed case values.

Addresses-Coverity-ID: 1398130
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-12 12:14:40 -04:00
Christophe Jaillet
8ce7aaaa97 net: dsa: loop: Check for memory allocation failure
If 'devm_kzalloc' fails, a NULL pointer will be dereferenced.
Return -ENOMEM instead, as done for some other memory allocation just a
few lines above.

Fixes: 98cd1552ea ("net: dsa: Mock-up driver")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-08 14:58:36 -04:00
Vivien Didelot
931d182239 net: dsa: mv88e6xxx: add VTU support for 88E6390
The 6390 family of chips use only 2 of the 3 VTU Data registers to pack
the MemberTag and PortState VLAN data. This means that they must be
written or read before or after each VTU/STU operations.

Implement this variant to add support for VTU with such chips. These
chips have a 13th bit for the VID thus set their max_vid to 8191.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-01 15:03:13 -04:00
Vivien Didelot
1ac758648b net: dsa: mv88e6xxx: support the VTU Page bit
Newer chips such as the 88E6390 have a VTU Page bit in the VTU VID
register to specify a 13th bit for the VID. This can be used to support
8K VLANs.

When dumping the whole VTU, all VID bits must be set to one, including
this VTU Page bit. Add support for VID greater than 4095.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-01 15:03:13 -04:00
Vivien Didelot
567aa59a8b net: dsa: mv88e6xxx: simplify VTU entry getter
Make the code which fetches or initializes a new VTU entry more concise.
This allows us the get rid of the old underscore prefix naming.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-01 15:03:13 -04:00
Vivien Didelot
bf7d71c045 net: dsa: mv88e6xxx: make VTU helpers static
Now that we have chip operations for VTU accesses, mark all helpers from
global1_vtu.c as static. Only the various implementations of the
GetNext, LoadPurge and Flush operations need to be exposed.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-01 15:03:12 -04:00
Vivien Didelot
0ad5daf6ba net: dsa: mv88e6xxx: add VTU Load/Purge operation
Add a new vtu_loadpurge operation to the chip info structure to differ
the various implementations of the VTU accesses.

Now that the STU handling is abstracted behind VTU operations, kill the
obsolete MV88E6XXX_FLAG_STU flag.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-01 15:03:12 -04:00
Vivien Didelot
f1394b78a6 net: dsa: mv88e6xxx: add VTU GetNext operation
Add a new vtu_getnext operation to the chip info structure to differ the
various implementations of the VTU accesses.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-01 15:03:12 -04:00
Vivien Didelot
021e64ff76 net: dsa: mv88e6xxx: load STU entry with VTU entry
Now that the code writes both VTU and STU data when loading a VTU entry,
load the corresponding STU entry at the same time.

This allows us to get rid of the STU management in the
_mv88e6xxx_vtu_new helper and thus remove the separate implementations
of STU Load/Purge and STU GetNext, as well as the unused family checks.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-01 15:03:11 -04:00
Vivien Didelot
ef6fcea37f net: dsa: mv88e6xxx: get STU entry on VTU GetNext
Now that the code reads both VTU and STU data on VTU GetNext operation,
fetch the STU entry data of a VTU entry at the same time.

The STU data bits are masked with the VTU data bits and they are now all
read at the same time a VTU GetNext operation is issued.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-01 15:03:11 -04:00
Vivien Didelot
66a8e1f933 net: dsa: mv88e6xxx: move STU GetNext operation
Extract the generic portion of code to issue an STU GetNext operation,
which will be used in other implementations.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-05-01 15:03:11 -04:00