Vladimir Oltean e4bd44e89d net: ocelot: replay switchdev events when joining bridge
The premise of this change is that the switchdev port attributes and
objects offloaded by ocelot might have been missed when we are joining
an already existing bridge port, such as a bonding interface.

The patch pulls these switchdev attributes and objects from the bridge,
on behalf of the 'bridge port' net device which might be either the
ocelot switch interface, or the bonding upper interface.

The ocelot_net.c belongs strictly to the switchdev ocelot driver, while
ocelot.c is part of a library shared with the DSA felix driver.
The ocelot_port_bridge_leave function (part of the common library) used
to call ocelot_port_vlan_filtering(false), something which is not
necessary for DSA, since the framework deals with that already there.
So we move this function to ocelot_switchdev_unsync, which is specific
to the switchdev driver.

The code movement described above makes ocelot_port_bridge_leave no
longer return an error code, so we change its type from int to void.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-03-23 14:49:06 -07:00

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# SPDX-License-Identifier: (GPL-2.0 OR MIT)
config NET_VENDOR_MICROSEMI
bool "Microsemi devices"
default y
help
If you have a network (Ethernet) card belonging to this class, say Y.
Note that the answer to this question doesn't directly affect the
kernel: saying N will just cause the configurator to skip all
the questions about Microsemi devices.
if NET_VENDOR_MICROSEMI
# Users should depend on NET_SWITCHDEV, HAS_IOMEM, BRIDGE
config MSCC_OCELOT_SWITCH_LIB
select NET_DEVLINK
select REGMAP_MMIO
select PACKING
select PHYLIB
tristate
help
This is a hardware support library for Ocelot network switches. It is
used by switchdev as well as by DSA drivers.
config MSCC_OCELOT_SWITCH
tristate "Ocelot switch driver"
depends on BRIDGE || BRIDGE=n
depends on NET_SWITCHDEV
depends on HAS_IOMEM
depends on OF_NET
select MSCC_OCELOT_SWITCH_LIB
select GENERIC_PHY
help
This driver supports the Ocelot network switch device as present on
the Ocelot SoCs (VSC7514).
endif # NET_VENDOR_MICROSEMI