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Ethernet frames can be extracted or injected to or from the device's
DDR memory. There is one channel for injection and one channel for
extraction. Each of these channels contain a linked list of DCBs which
contains DB. The DCB contains only 1 DB for both the injection and
extraction. Each DB contains a frame. Every time when a frame is received
or transmitted an interrupt is generated.
It is not possible to use both the FDMA and the manual
injection/extraction of the frames. Therefore the FDMA has priority over
the manual because of better performance values.
FDMA:
iperf -c 192.168.1.1
[ 5] 0.00-10.02 sec 420 MBytes 352 Mbits/sec 0 sender
[ 5] 0.00-10.03 sec 420 MBytes 351 Mbits/sec receiver
iperf -c 192.168.1.1 -R
[ 5] 0.00-10.01 sec 528 MBytes 442 Mbits/sec 0 sender
[ 5] 0.00-10.00 sec 524 MBytes 440 Mbits/sec receiver
Manual:
iperf -c 192.168.1.1
[ 5] 0.00-10.02 sec 93.8 MBytes 78.5 Mbits/sec 0 sender
[ 5] 0.00-10.03 sec 93.8 MBytes 78.4 Mbits/sec receiver
ipers -c 192.168.1.1 -R
[ 5] 0.00-10.03 sec 121 MBytes 101 Mbits/sec 0 sender
[ 5] 0.00-10.01 sec 118 MBytes 99.0 Mbits/sec receiver
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The lan966x has 3 PHC. Enable each of them, for now all the
timestamping is happening on the first PHC.
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extend lan966x driver with mdb support by implementing the switchdev
calls: SWITCHDEV_OBJ_ID_PORT_MDB and SWITCHDEV_OBJ_ID_HOST_MDB.
It is allowed to add both ipv4/ipv6 entries and l2 entries. To add
ipv4/ipv6 entries is not required to use the PGID table while for l2
entries it is required. The PGID table is much smaller than MAC table
so only fewer l2 entries can be added.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extend lan966x driver with fdb support by implementing the switchdev
calls SWITCHDEV_FDB_ADD_TO_DEVICE and SWITCHDEV_FDB_DEL_TO_DEVICE.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extend the driver to support vlan filtering by implementing the
switchdev calls SWITCHDEV_OBJ_ID_PORT_VLAN,
SWITCHDEV_ATTR_ID_BRIDGE_VLAN_FILTERING
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds basic support to offload in the HW the forwarding of the
frames. The driver registers to the switchdev callbacks and implements
the callbacks for attributes SWITCHDEV_ATTR_ID_PORT_STP_STATE and
SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME.
It is not allowed to add a lan966x port to a bridge that contains a
different interface than lan966x.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for statistics counters for the network
interfaces. Also adds support for configuring the network interface via
ethtool like: speed, duplex etc.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for MAC table operations like add and forget.
Also add the functionality to read the MAC address from DT, if there is
no MAC set in DT it would use a random one.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for netdev and phylink in the switch. The
injection + extraction is register based. This will be replaced with DMA
accees.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds basic SwitchDev driver framework for lan966x. It
includes only the IO range mapping and probing of the switch.
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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