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Add a netlink family for PSP and allow drivers to register support. The "PSP device" is its own object. This allows us to perform more flexible reference counting / lifetime control than if PSP information was part of net_device. In the future we should also be able to "delegate" PSP access to software devices, such as *vlan, veth or netkit more easily. Reviewed-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Daniel Zahka <daniel.zahka@gmail.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Link: https://patch.msgid.link/20250917000954.859376-3-daniel.zahka@gmail.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
97 lines
2.1 KiB
YAML
97 lines
2.1 KiB
YAML
# SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
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---
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name: psp
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doc:
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PSP Security Protocol Generic Netlink family.
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definitions:
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-
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type: enum
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name: version
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entries: [hdr0-aes-gcm-128, hdr0-aes-gcm-256,
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hdr0-aes-gmac-128, hdr0-aes-gmac-256]
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attribute-sets:
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-
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name: dev
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attributes:
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-
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name: id
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doc: PSP device ID.
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type: u32
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checks:
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min: 1
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-
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name: ifindex
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doc: ifindex of the main netdevice linked to the PSP device.
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type: u32
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-
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name: psp-versions-cap
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doc: Bitmask of PSP versions supported by the device.
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type: u32
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enum: version
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enum-as-flags: true
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-
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name: psp-versions-ena
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doc: Bitmask of currently enabled (accepted on Rx) PSP versions.
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type: u32
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enum: version
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enum-as-flags: true
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operations:
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list:
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-
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name: dev-get
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doc: Get / dump information about PSP capable devices on the system.
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attribute-set: dev
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do:
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request:
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attributes:
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- id
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reply: &dev-all
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attributes:
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- id
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- ifindex
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- psp-versions-cap
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- psp-versions-ena
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pre: psp-device-get-locked
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post: psp-device-unlock
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dump:
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reply: *dev-all
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-
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name: dev-add-ntf
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doc: Notification about device appearing.
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notify: dev-get
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mcgrp: mgmt
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-
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name: dev-del-ntf
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doc: Notification about device disappearing.
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notify: dev-get
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mcgrp: mgmt
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-
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name: dev-set
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doc: Set the configuration of a PSP device.
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attribute-set: dev
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do:
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request:
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attributes:
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- id
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- psp-versions-ena
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reply:
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attributes: []
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pre: psp-device-get-locked
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post: psp-device-unlock
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-
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name: dev-change-ntf
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doc: Notification about device configuration being changed.
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notify: dev-get
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mcgrp: mgmt
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mcast-groups:
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list:
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-
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name: mgmt
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...
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