selftests: drv-net: psp: add tests for destroying devices

Add tests for making sure device can disappear while associations
exist. This is netdevsim-only since destroying real devices is
more tricky

selftests: drv-net: psp: add tests for destroying devices

Add tests for making sure device can disappear while associations
exist. This is netdevsim-only since destroying real devices is
more tricky.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Daniel Zahka <daniel.zahka@gmail.com>
Link: https://patch.msgid.link/20250927225420.1443468-9-kuba@kernel.org
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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selftests: drv-net: psp: add test for auto-adjusting TCP MSS

Test TCP MSS getting auto-adjusted. PSP adds an encapsulation overhead
of 40B per packet, when used in transport mode without any
virtual

selftests: drv-net: psp: add test for auto-adjusting TCP MSS

Test TCP MSS getting auto-adjusted. PSP adds an encapsulation overhead
of 40B per packet, when used in transport mode without any
virtualization cookie or other optional PSP header fields. The kernel
should adjust the MSS for a connection after PSP tx state is reached.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Daniel Zahka <daniel.zahka@gmail.com>
Link: https://patch.msgid.link/20250927225420.1443468-8-kuba@kernel.org
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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selftests: drv-net: psp: add connection breaking tests

Add test checking conditions which lead to connections breaking.
Using bad key or connection gets stuck if device key is rotated
twice.

Signed

selftests: drv-net: psp: add connection breaking tests

Add test checking conditions which lead to connections breaking.
Using bad key or connection gets stuck if device key is rotated
twice.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Daniel Zahka <daniel.zahka@gmail.com>
Link: https://patch.msgid.link/20250927225420.1443468-7-kuba@kernel.org
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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selftests: drv-net: psp: add association tests

Add tests for exercising PSP associations for TCP sockets.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Daniel Zahka <daniel.zahka@g

selftests: drv-net: psp: add association tests

Add tests for exercising PSP associations for TCP sockets.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Daniel Zahka <daniel.zahka@gmail.com>
Link: https://patch.msgid.link/20250927225420.1443468-6-kuba@kernel.org
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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selftests: drv-net: psp: add basic data transfer and key rotation tests

Add basic tests for sending data over PSP and making sure that key
rotation toggles the MSB of the spi.

Deploy PSP responder

selftests: drv-net: psp: add basic data transfer and key rotation tests

Add basic tests for sending data over PSP and making sure that key
rotation toggles the MSB of the spi.

Deploy PSP responder on the remote end. We also need a healthy dose
of common helpers for setting up the connections, assertions and
interrogating socket state on the Python side.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Daniel Zahka <daniel.zahka@gmail.com>
Link: https://patch.msgid.link/20250927225420.1443468-5-kuba@kernel.org
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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selftests: drv-net: base device access API test

Simple PSP test to getting info about PSP devices.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Daniel Zahka <daniel.zahka@gmail.co

selftests: drv-net: base device access API test

Simple PSP test to getting info about PSP devices.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Daniel Zahka <daniel.zahka@gmail.com>
Link: https://patch.msgid.link/20250927225420.1443468-3-kuba@kernel.org
Reviewed-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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