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/kernel/linux/linux-5.10/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
26 What: /sys/bus/dsa/devices/dsa<m>/max_work_queues_size
32 What: /sys/bus/dsa/devices/dsa<m>/max_engines
38 What: /sys/bus/dsa/devices/dsa<m>/max_groups
44 What: /sys/bus/dsa/devices/dsa<m>/max_tokens
49 The bandwidth tokens represent resources within the DSA
53 What: /sys/bus/dsa/devices/dsa<m>/max_transfer_size
[all …]
/kernel/linux/linux-6.6/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.
[all …]
/kernel/linux/linux-6.6/Documentation/networking/dsa/
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 "master" 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:
[all …]
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 slave interface is brought up, the master interface is
44 - when the master interface is brought down, all DSA slave 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
[all …]
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 slave MDIO bus
74 "double" programming. Using DSA, and setting ``ds->phys_mii_mask`` accordingly, we
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`
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,
/kernel/linux/linux-5.10/Documentation/networking/dsa/
Ddsa.rst5 This document describes the **Distributed Switch Architecture (DSA)** subsystem
23 or more CPU or management port. The DSA subsystem currently relies on the
28 be later referred to as "master" 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 will create 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:
[all …]
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 slave MDIO bus
74 "double" programming. Using DSA, and setting ``ds->phys_mii_mask`` accordingly, we
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`
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,
/kernel/linux/linux-5.10/scripts/coccinelle/api/debugfs/
Ddebugfs_simple_attr.cocci18 @dsa@
28 identifier dsa.dsa_fops;
35 identifier dsa.dsa_fops;
36 expression dsa.dsa_get, dsa.dsa_set, dsa.dsa_fmt;
43 identifier dsa.dsa_fops;
49 identifier dsa.dsa_fops;
50 expression dsa.dsa_get, dsa.dsa_set, dsa.dsa_fmt;
57 fops << dsa.dsa_fops;
58 p << dsa.p;
64 fops << dsa.dsa_fops;
[all …]
/kernel/linux/linux-6.6/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:
/kernel/linux/linux-6.6/drivers/net/ethernet/marvell/prestera/
Dprestera_dsa.c34 int prestera_dsa_parse(struct prestera_dsa *dsa, const u8 *dsa_buf) in prestera_dsa_parse() argument
62 dsa->vlan.is_tagged = FIELD_GET(PRESTERA_DSA_W0_IS_TAGGED, words[0]); in prestera_dsa_parse()
63 dsa->vlan.cfi_bit = FIELD_GET(PRESTERA_DSA_W1_CFI_BIT, words[1]); in prestera_dsa_parse()
64 dsa->vlan.vpt = FIELD_GET(PRESTERA_DSA_W0_VPT, words[0]); in prestera_dsa_parse()
65 dsa->vlan.vid = FIELD_GET(PRESTERA_DSA_W0_VID, words[0]); in prestera_dsa_parse()
66 dsa->vlan.vid &= ~PRESTERA_DSA_VID; in prestera_dsa_parse()
67 dsa->vlan.vid |= FIELD_PREP(PRESTERA_DSA_VID, field); in prestera_dsa_parse()
71 dsa->hw_dev_num = FIELD_GET(PRESTERA_DSA_W0_DEV_NUM, words[0]); in prestera_dsa_parse()
72 dsa->hw_dev_num |= FIELD_PREP(PRESTERA_DSA_DEV_NUM, field); in prestera_dsa_parse()
74 dsa->port_num = (FIELD_GET(PRESTERA_DSA_W0_PORT_NUM, words[0]) << 0) | in prestera_dsa_parse()
[all …]
/kernel/linux/linux-5.10/Documentation/devicetree/bindings/net/
Dbrcm,bcm7445-switch-v4.0.txt12 - #address-cells: must be 1, see dsa/dsa.txt
13 - #size-cells: must be 0, see dsa/dsa.txt
17 - dsa,mii-bus: phandle to the MDIO bus controller, see dsa/dsa.txt
18 - dsa,ethernet: phandle to the CPU network interface controller, see dsa/dsa.txt
19 - #address-cells: must be 2, see dsa/dsa.txt
24 described in dsa/dsa.txt.
106 Example using the old DSA DeviceTree binding:
/kernel/linux/linux-5.10/net/dsa/
Dtag_dsa.c3 * net/dsa/tag_dsa.c - (Non-ethertype) DSA tagging
21 * Convert the outermost 802.1q tag to a DSA tag for tagged in dsa_xmit()
22 * packets, or insert a DSA tag between the addresses and in dsa_xmit()
27 * Construct tagged FROM_CPU DSA tag from 802.1q tag. in dsa_xmit()
46 * Construct untagged FROM_CPU DSA tag. in dsa_xmit()
69 * The ethertype field is part of the DSA header. in dsa_rcv()
90 * Convert the DSA header to an 802.1q header if the 'tagged' in dsa_rcv()
91 * bit in the DSA header is set. If the 'tagged' bit is clear, in dsa_rcv()
92 * delete the DSA header entirely. in dsa_rcv()
100 * DSA uses that bit location for another purpose). in dsa_rcv()
[all …]
Dtag_edsa.c3 * net/dsa/tag_edsa.c - Ethertype DSA tagging
32 * Convert the outermost 802.1q tag to a DSA tag and prepend in edsa_xmit()
33 * a DSA ethertype field is the packet is tagged, or insert in edsa_xmit()
34 * a DSA ethertype plus DSA tag between the addresses and the in edsa_xmit()
43 * Construct tagged FROM_CPU DSA tag from 802.1q tag. in edsa_xmit()
66 * Construct untagged FROM_CPU DSA tag. in edsa_xmit()
137 * If the 'tagged' bit is set, convert the DSA tag to a 802.1q in edsa_rcv()
139 * clear, delete the ethertype and the DSA tag parts. in edsa_rcv()
147 * DSA uses that bit location for another purpose). in edsa_rcv()
155 * Move CFI bit from its place in the DSA header to in edsa_rcv()
[all …]
/kernel/linux/linux-5.10/drivers/net/ethernet/marvell/prestera/
Dprestera_dsa.c33 int prestera_dsa_parse(struct prestera_dsa *dsa, const u8 *dsa_buf) in prestera_dsa_parse() argument
61 dsa->vlan.is_tagged = FIELD_GET(PRESTERA_DSA_W0_IS_TAGGED, words[0]); in prestera_dsa_parse()
62 dsa->vlan.cfi_bit = FIELD_GET(PRESTERA_DSA_W1_CFI_BIT, words[1]); in prestera_dsa_parse()
63 dsa->vlan.vpt = FIELD_GET(PRESTERA_DSA_W0_VPT, words[0]); in prestera_dsa_parse()
64 dsa->vlan.vid = FIELD_GET(PRESTERA_DSA_W0_VID, words[0]); in prestera_dsa_parse()
65 dsa->vlan.vid &= ~PRESTERA_DSA_VID; in prestera_dsa_parse()
66 dsa->vlan.vid |= FIELD_PREP(PRESTERA_DSA_VID, field); in prestera_dsa_parse()
70 dsa->hw_dev_num = FIELD_GET(PRESTERA_DSA_W0_DEV_NUM, words[0]); in prestera_dsa_parse()
71 dsa->hw_dev_num |= FIELD_PREP(PRESTERA_DSA_DEV_NUM, field); in prestera_dsa_parse()
73 dsa->port_num = (FIELD_GET(PRESTERA_DSA_W0_PORT_NUM, words[0]) << 0) | in prestera_dsa_parse()
[all …]
/kernel/linux/linux-6.6/drivers/net/dsa/
DKconfig5 source "drivers/net/dsa/b53/Kconfig"
20 tristate "DSA mock-up Ethernet switch chip support"
25 exercises the DSA APIs.
27 source "drivers/net/dsa/hirschmann/Kconfig"
78 source "drivers/net/dsa/microchip/Kconfig"
80 source "drivers/net/dsa/mv88e6xxx/Kconfig"
82 source "drivers/net/dsa/ocelot/Kconfig"
84 source "drivers/net/dsa/qca/Kconfig"
86 source "drivers/net/dsa/sja1105/Kconfig"
88 source "drivers/net/dsa/xrs700x/Kconfig"
[all …]
/kernel/linux/linux-6.6/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
55 $ref: dsa-port.yaml#
/kernel/linux/linux-6.6/net/dsa/
Dtag.h9 #include <net/dsa.h>
88 /* The sad part about attempting to untag from DSA is that we in dsa_untag_bridge_pvid()
93 * from the bridge's data path. This is a configuration that DSA in dsa_untag_bridge_pvid()
106 /* For switches without hardware support for DSA tagging to be able
163 /* Helper for removing DSA header tags from packets in the RX path.
170 * | Destination MAC | Source MAC | DSA header | EType |
189 /* Helper for creating space for DSA header tags in TX path packets.
207 * | Destination MAC | Source MAC | DSA header | EType |
218 /* On RX, eth_type_trans() on the DSA master pulls ETH_HLEN bytes starting from
220 * what the DSA master perceives as the EtherType (the beginning of the L3
[all …]
Dtag_dsa.c3 * Regular and Ethertype DSA tagging
6 * Regular DSA
12 * converted to a DSA tag. It expects the same layout when receiving
26 * Pd: | DA | SA | DSA | ET | Payload ...
36 * Ethertype DSA
38 * Uses the exact same tag format as regular DSA, but also includes a
43 * | DA | SA | 0xdada | 0x0000 | DSA | ET | Payload ...
48 #include <linux/dsa/mv88e6xxx.h>
55 #define DSA_NAME "dsa"
61 * enum dsa_cmd - DSA Command
[all …]
/kernel/linux/linux-5.10/drivers/net/dsa/
DKconfig5 source "drivers/net/dsa/b53/Kconfig"
20 tristate "DSA mock-up Ethernet switch chip support"
25 exercises the DSA APIs.
52 source "drivers/net/dsa/microchip/Kconfig"
54 source "drivers/net/dsa/mv88e6xxx/Kconfig"
56 source "drivers/net/dsa/ocelot/Kconfig"
58 source "drivers/net/dsa/qca/Kconfig"
60 source "drivers/net/dsa/sja1105/Kconfig"
/kernel/linux/linux-6.6/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

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