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4e20e73e63
QETH HiperSockets devices with LEARNING_SYNC capability can be used to construct a linux bridge with: 2 isolated southbound interfaces: a) a default network interface b) a LEARNING-SYNC HiperSockets interface and 1 non-isolated northbound interface. This is called a 'HiperSockets Converged Interface' (HSCI). The existing LEARNING_SYNC functionality is used to update the bridge fdb with MAC addresses that should be sent-out via the HiperSockets interface, instead of the default network interface. Add handling of switchdev events SWITCHDEV_FDB_ADD_TO_DEVICE and SWITCHDEV_FDB_DEL_TO_DEVICE to the qeth LEARNING_SYNC functionality. Thus if the northbound bridgeport of an HSCI doesn't only have a single static MAC address, but instead is a learning bridgeport, work is enqueued, so the HiperSockets virtual switch (that is external to this Linux instance) can update its fdb. When BRIDGE is a loadable module, QETH_L2 mustn't be built-in: drivers/s390/net/qeth_l2_main.o: in function 'qeth_l2_switchdev_event': drivers/s390/net/qeth_l2_main.c:927: undefined reference to 'br_port_flag_is_set' Add Kconfig dependency to enforce usable configurations. Signed-off-by: Alexandra Winter <wintera@linux.ibm.com> Reviewed-by: Wenjia Zhang <wenjia@linux.ibm.com> Signed-off-by: Karsten Graul <kgraul@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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