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/Documentation/ABI/stable/
Dsysfs-driver-dma-idxd1 What: /sys/bus/dsa/devices/dsa<m>/version
7 What: /sys/bus/dsa/devices/dsa<m>/cdev_major
14 What: /sys/bus/dsa/devices/dsa<m>/errors
20 What: /sys/bus/dsa/devices/dsa<m>/max_batch_size
27 What: /sys/bus/dsa/devices/dsa<m>/max_work_queues_size
33 What: /sys/bus/dsa/devices/dsa<m>/max_engines
39 What: /sys/bus/dsa/devices/dsa<m>/max_groups
45 What: /sys/bus/dsa/devices/dsa<m>/max_read_buffers
50 The read buffers represent resources within the DSA
52 support operations. See DSA spec v1.2 9.2.4 Total Read Buffers.
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/Documentation/devicetree/bindings/net/
Dbrcm,bcm7445-switch-v4.0.txt3 See dsa/brcm,bcm7445-switch-v4.0.yaml for the documentation.
7 - dsa,mii-bus: phandle to the MDIO bus controller, see dsa/dsa.txt
8 - dsa,ethernet: phandle to the CPU network interface controller, see dsa/dsa.txt
9 - #address-cells: must be 2, see dsa/dsa.txt
11 Example using the old DSA DeviceTree binding:
Dhisilicon-hns-dsaf.txt1 Hisilicon DSA Fabric device controller
7 - mode: dsa fabric mode string. only support one of dsaf modes like these:
12 - interrupts: should contain the DSA Fabric and rcb interrupt.
21 The fourth region is dsa fabric base register and size. It is not required for
58 dsaf0: dsa@c7000000 {
/Documentation/networking/dsa/
Dconfiguration.rst4 DSA switch configuration from userspace
7 The DSA switch configuration is not integrated into the main userspace
15 To configure a DSA switch a couple of commands need to be executed. In this
32 Through DSA every port of a switch is handled like a normal linux Ethernet
42 - when a DSA user interface is brought up, the conduit interface is
44 - when the conduit interface is brought down, all DSA user interfaces are
88 DSA switches. These switches are capable to tag incoming and outgoing traffic
302 The existing DSA switches do not have the necessary hardware support to keep
308 Up until kernel v4.14, DSA only supported user space management of bridge FDB
319 Due to a bug, the bridge bypass FDB implementation provided by DSA did not
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Ddsa.rst5 This document describes the **Distributed Switch Architecture (DSA)** subsystem
23 or more CPU or management ports. The DSA subsystem currently relies on the
28 be later referred to as "conduit" and "cpu" in DSA terminology and code.
30 The D in DSA stands for Distributed, because the subsystem has been designed
33 ports are referred to as "dsa" ports in DSA terminology and code. A collection
36 For each front-panel port, DSA creates specialized network devices which are
39 interfaces in DSA terminology and code.
41 The ideal case for using DSA is when an Ethernet switch supports a "switch tag"
54 Note that DSA does not currently create network interfaces for the "cpu" and
55 "dsa" ports because:
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Dbcm_sf2.rst41 The driver is located in ``drivers/net/dsa/bcm_sf2.c`` and is implemented as a DSA
42 driver; see ``Documentation/networking/dsa/dsa.rst`` for details on the subsystem
49 ``net/dsa/tag_brcm.c``.
51 Overall, the SF2 driver is a fairly regular DSA driver; there are a few
57 The DSA platform device driver is probed using a specific compatible string
58 provided in ``net/dsa/dsa.c``. The reason for that is because the DSA subsystem gets
59 registered as a platform device driver currently. DSA will provide the needed
70 Broadcom switches connected to a SF2 require the use of the DSA user MDIO bus
74 "double" programming. Using DSA, and setting ``ds->phys_mii_mask`` accordingly, we
Dlan9303.rst13 The driver is implemented as a DSA driver, see ``Documentation/networking/dsa/dsa.rst``.
15 See ``Documentation/devicetree/bindings/net/dsa/lan9303.txt`` for device tree
21 interfaces (which is the default state of a DSA device). Due to HW limitations,
Db53.rst16 The driver is located in ``drivers/net/dsa/b53/`` and is implemented as a
17 DSA driver; see ``Documentation/networking/dsa/dsa.rst`` for details on the
24 ``net/dsa/tag_brcm.c``.
30 configuration described in the :ref:`dsa-config-showcases`.
36 DSA driver and will work like all DSA drivers which supports tagging.
38 See :ref:`dsa-tagged-configuration`.
48 The configuration slightly differ from the :ref:`dsa-vlan-configuration`.
54 In difference to the configuration described in :ref:`dsa-vlan-configuration`
/Documentation/devicetree/bindings/net/dsa/
Ddsa-port.yaml4 $id: http://devicetree.org/schemas/net/dsa/dsa-port.yaml#
7 title: Generic DSA Switch Port
15 A DSA switch port is a component of a switch that manages one MAC, and can
17 DSA-specific functionality.
34 Should be a list of phandles to other switch's DSA port. This
48 dsa-tag-protocol:
54 - dsa
62 # CPU and DSA ports must have phylink-compatible link descriptions
Ddsa.yaml4 $id: http://devicetree.org/schemas/net/dsa/dsa.yaml#
24 dsa,member:
28 A two element list indicates which DSA cluster, and position within the
38 description: A DSA switch without any extra port properties
46 $ref: dsa-port.yaml#
Dmarvell,mv88e6060.yaml4 $id: http://devicetree.org/schemas/net/dsa/marvell,mv88e6060.yaml#
7 title: Marvell MV88E6060 DSA switch
18 from many other DSA switches this switch does not have an internal
25 The MV88E6060 is the oldest Marvell DSA switch product, and
37 - $ref: dsa.yaml#/$defs/ethernet-ports
Ddsa.txt4 See Documentation/devicetree/bindings/net/dsa/dsa.yaml for the documentation.
Dhirschmann,hellcreek.yaml4 $id: http://devicetree.org/schemas/net/dsa/hirschmann,hellcreek.yaml#
10 - $ref: dsa.yaml#/$defs/ethernet-ports
86 dsa,member = <0 0>;
Dlan9303.txt19 described in dsa/dsa.txt. The CPU port of this switch is always port 0.
21 Note: always use 'reg = <0/1/2>;' for the three DSA ports, even if the device is
Dmicrochip,ksz.yaml4 $id: http://devicetree.org/schemas/net/dsa/microchip,ksz.yaml#
17 # See Documentation/devicetree/bindings/net/dsa/dsa.yaml for a list of additional
96 $ref: dsa.yaml#/$defs/ethernet-ports
102 $ref: dsa-port.yaml#
Dvitesse,vsc73xx.yaml4 $id: http://devicetree.org/schemas/net/dsa/vitesse,vsc73xx.yaml#
7 title: Vitesse VSC73xx DSA Switches
13 The Vitesse DSA Switches were produced in the early-to-mid 2000s.
53 - $ref: dsa.yaml#/$defs/ethernet-ports
Darrow,xrs700x.yaml4 $id: http://devicetree.org/schemas/net/dsa/arrow,xrs700x.yaml#
10 - $ref: dsa.yaml#/$defs/ethernet-ports
Dbrcm,sf2.yaml4 $id: http://devicetree.org/schemas/net/dsa/brcm,sf2.yaml#
85 $ref: dsa-port.yaml#
99 - $ref: dsa.yaml#
Drenesas,rzn1-a5psw.yaml4 $id: http://devicetree.org/schemas/net/dsa/renesas,rzn1-a5psw.yaml#
17 - $ref: dsa.yaml#/$defs/ethernet-ports
104 dsa,member = <0 0>;
Dmediatek,mt7530.yaml4 $id: http://devicetree.org/schemas/net/dsa/mediatek,mt7530.yaml#
30 using MDIO. The DSA driver currently doesn't support MT7620 variants.
63 - Port 5 can be wired to an external phy. Port 5 becomes a DSA user port.
189 mt7530-dsa-port:
215 mt7531-dsa-port:
244 - $ref: dsa.yaml#/$defs/ethernet-ports
264 $ref: "#/$defs/mt7530-dsa-port"
274 $ref: "#/$defs/mt7531-dsa-port"
284 $ref: "#/$defs/mt7530-dsa-port"
295 $ref: "#/$defs/mt7530-dsa-port"
/Documentation/devicetree/bindings/iio/frequency/
Dadi,admfm2000.yaml16 It consists of a LNA, mixer, IF filter, DSA, and IF amplifier for each down
67 DSA-V4 DSA-V3 DSA-V2 DSA-V1 DSA-V0
77 - description: DSA-V0 GPIO
78 - description: DSA-V1 GPIO
79 - description: DSA-V2 GPIO
80 - description: DSA-V3 GPIO
81 - description: DSA-V4 GPIO
/Documentation/ABI/testing/
Dsysfs-bus-event_source-devices-dsa1 What: /sys/bus/event_source/devices/dsa*/format
7 perf_event_attr.config1 for the IDXD DSA pmu. (See also
13 IDXD DSA Spec for possible attribute values)::
24 What: /sys/bus/event_source/devices/dsa*/cpumask
29 IDXD DSA pmu is bound for access to all dsa pmu
Dsysfs-class-net-dsa1 What: /sys/class/net/<iface>/dsa/tagging
7 tagging protocol used by the DSA network devices that are
10 attached DSA switches, if this operation is supported by the
11 driver. Changing the tagging protocol must be done with the DSA
/Documentation/driver-api/crypto/iaa/
Diaa-crypto.rst226 /sys/bus/dsa/drivers/crypto/
240 echo 0 > /sys/bus/dsa/drivers/crypto/verify_compress
272 echo async_irq > /sys/bus/dsa/drivers/crypto/sync_mode
277 echo async > /sys/bus/dsa/drivers/crypto/sync_mode
282 echo sync > /sys/bus/dsa/drivers/crypto/sync_mode
289 '/sys/bus/dsa/drivers/crypto/sync_mode' will internally enable the
463 # cat /sys/bus/dsa/devices/iax1/state
465 # cat /sys/bus/dsa/devices/iax1/wq1.0/state
801 The 'IAA config path' is /sys/bus/dsa/devices and contains
805 odd-numbered devices; the even-numbered devices are DSA devices and
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/Documentation/networking/
Dtimestamping.rst653 3.2.1 DSA (Distributed Switch Architecture) switches
658 a port multiplier with optional forwarding acceleration features. Each DSA
663 When a DSA switch is attached to a host port, PTP synchronization has to
665 jitter between the host port and its PTP partner. For this reason, some DSA
668 measure wire and PHY propagation latencies. Timestamping DSA switches are
670 for the fact that the DSA interfaces are in fact virtual in terms of network
672 interfaces of a DSA switch to share the same PHC.
674 By design, PTP timestamping with a DSA switch does not need any special
676 host port also supports PTP timestamping, DSA will take care of intercepting
680 anybody else except for the DSA switch port must be prevented from doing so.
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