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Change the default ACL trap rule for STP frames to have the highest
priority.
In the same ACL table will reside both default rules added by the driver
for its internal use as well as rules added with tc flower. In this
case, the default rules such as the STP one that we already have should
have the highest priority.
Also, remove the check for a full ACL table since we already know that
it's sized so that we don't hit this case. The last thing changes is
that default trap filters will not be counted in the acl_tbl's num_rules
variable since their number doesn't change.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduce a new structure - dpaa2_switch_acl_tbl - to hold all data
related to an ACL table: number of rules added, ACL table id, etc.
This will be used more in the next patches when adding support for
sharing an ACL table between ports.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Depending on what STP state a port is in, the learning on that port
should be enabled or disabled.
When the STP state is DISABLED, BLOCKING or LISTENING no learning should
be happening irrespective of what the bridge previously requested. The
learning state is changed to be the one setup by the bridge when the STP
state is LEARNING or FORWARDING.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add an ACL entry in each port's ACL table to redirect any frame that
has the destination MAC address equal to the STP dmac to the control
interface.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Keep track of the current learning state per port so that we can
reference it in the next patches when setting up a STP state.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In order to trap frames to the CPU, the DPAA2 switch uses the ACL table.
At probe time, create an ACL table for each switch port so that in the
next patches we can use this to trap STP frames and redirect them to the
control interface.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The numerical values used for STP states are different between the
bridge and the MC ABI therefore, the direct usage of the
BR_STATE_* macros directly in the structures passed to the firmware is
incorrect.
Create a separate function that translates between the bridge STP states
and the enum that holds the STP state as seen by the Management Complex.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If a switch port is under a bridge, the offload_fwd_mark should be setup
before sending the skb towards the stack so that the bridge does not try
to flood the packet on the other switch ports.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for configuring per port unknown flooding by accepting both
BR_FLOOD and BR_MCAST_FLOOD as offloadable bridge port flags.
The DPAA2 switch does not support at the moment configuration of unknown
multicast flooding independently of unknown unicast flooding, therefore
check that both BR_FLOOD and BR_MCAST_FLOOD have the same state.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The BR_BCAST_FLOOD bridge port flag is now accepted by the driver and a
change in its state will determine a reconfiguration of the broadcast
egress flooding list on the FDB associated with the port.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for configuring the learning state of a switch port.
When the user requests the HW learning to be disabled, a fast-age
procedure on that specific port is run so that previously learnt
addresses do not linger.
At device probe as well as on a bridge leave action, the ports are
configured with HW learning disabled since they are basically a
standalone port.
At the same time, at bridge join we inherit the bridge port BR_LEARNING
flag state and configure it on the switch port.
There were already some MC firmware ABI functions for changing the
learning state, but those were per FDB (bridging domain) and not per
port so we need to adjust those to use the new MC fw command which is
per port.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extract the code that determines the list of egress flood interfaces for
a specific flood type into a new function -
dpaa2_switch_fdb_get_flood_cfg().
This will help us to not duplicate code when the broadcast and
unknown ucast/mcast flooding domains will be individually configurable.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In order to avoid a forward declaration in the next patches, move the
dpaa2_switch_fdb_set_egress_flood() function to the top of the file.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that the dpaa2-switch driver has basic I/O capabilities on the
switch port net_devices and multiple bridging domains are supported,
move the driver out of staging.
The dpaa2-switch driver is placed right next to the dpaa2-eth driver
since, in the near future, they will be sharing most of the data path.
I didn't implement code reuse in this patch series because I wanted to
keep it as small as possible.
Also, the README is removed from staging with the intention to add
proper rst documentation afterwards to actually match was is supported
by the driver.
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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