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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>
115 lines
3.5 KiB
Plaintext
115 lines
3.5 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0
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menu "S/390 network device drivers"
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depends on NETDEVICES && S390
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config LCS
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def_tristate m
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prompt "Lan Channel Station Interface"
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depends on CCW && NETDEVICES && (ETHERNET || FDDI)
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help
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Select this option if you want to use LCS networking on IBM System z.
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This device driver supports FDDI (IEEE 802.7) and Ethernet.
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To compile as a module, choose M. The module name is lcs.
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If you do not know what it is, it's safe to choose Y.
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config CTCM
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def_tristate m
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prompt "CTC and MPC SNA device support"
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depends on CCW && NETDEVICES
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help
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Select this option if you want to use channel-to-channel
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point-to-point networking on IBM System z.
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This device driver supports real CTC coupling using ESCON.
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It also supports virtual CTCs when running under VM.
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This driver also supports channel-to-channel MPC SNA devices.
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MPC is an SNA protocol device used by Communication Server for Linux.
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To compile as a module, choose M. The module name is ctcm.
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To compile into the kernel, choose Y.
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If you do not need any channel-to-channel connection, choose N.
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config NETIUCV
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def_tristate m
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prompt "IUCV network device support (VM only)"
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depends on IUCV && NETDEVICES
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help
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Select this option if you want to use inter-user communication
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vehicle networking under VM or VIF. It enables a fast communication
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link between VM guests. Using ifconfig a point-to-point connection
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can be established to the Linux on IBM System z
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running on the other VM guest. To compile as a module, choose M.
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The module name is netiucv. If unsure, choose Y.
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config SMSGIUCV
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def_tristate m
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prompt "IUCV special message support (VM only)"
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depends on IUCV
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help
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Select this option if you want to be able to receive SMSG messages
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from other VM guest systems.
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config SMSGIUCV_EVENT
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def_tristate m
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prompt "Deliver IUCV special messages as uevents (VM only)"
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depends on SMSGIUCV
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help
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Select this option to deliver CP special messages (SMSGs) as
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uevents. The driver handles only those special messages that
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start with "APP".
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To compile as a module, choose M. The module name is "smsgiucv_app".
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config QETH
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def_tristate y
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prompt "Gigabit Ethernet device support"
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depends on CCW && NETDEVICES && IP_MULTICAST && QDIO && ETHERNET
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help
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This driver supports IBM's OSA Express network adapters in QDIO mode,
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HiperSockets interfaces and z/VM virtual NICs for Guest LAN and
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VSWITCH.
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To compile this driver as a module, choose M.
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The module name is qeth.
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config QETH_L2
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def_tristate y
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prompt "qeth layer 2 device support"
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depends on QETH
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depends on BRIDGE || BRIDGE=n
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help
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Select this option to be able to run qeth devices in layer 2 mode.
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To compile as a module, choose M. The module name is qeth_l2.
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If unsure, choose y.
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config QETH_L3
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def_tristate y
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prompt "qeth layer 3 device support"
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depends on QETH
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help
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Select this option to be able to run qeth devices in layer 3 mode.
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To compile as a module choose M. The module name is qeth_l3.
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If unsure, choose Y.
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config QETH_OSX
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def_bool !HAVE_MARCH_Z15_FEATURES
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prompt "qeth OSX device support"
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depends on QETH
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help
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This enables the qeth driver to support devices in OSX mode.
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If unsure, choose N.
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config CCWGROUP
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tristate
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default (LCS || CTCM || QETH || SMC)
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config ISM
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tristate "Support for ISM vPCI Adapter"
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depends on PCI && SMC
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default n
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help
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Select this option if you want to use the Internal Shared Memory
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vPCI Adapter.
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To compile as a module choose M. The module name is ism.
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If unsure, choose N.
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endmenu
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