linux-kernel - [net-next 0/2] psp: Support PSP Tx on logical devices like VLAN

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Message-ID: <20260121073517.3323332-1-kiran.kella@broadcom.com>
Date: Tue, 20 Jan 2026 23:35:15 -0800
From: Kiran Kella <kiran.kella@...adcom.com>
To: davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	andrew+netdev@...n.ch,
	horms@...nel.org
Cc: netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	jayakrishnan.udayavarma@...adcom.com,
	ajit.khaparde@...adcom.com,
	akhilesh.samineni@...adcom.com,
	Kiran Kella <kiran.kella@...adcom.com>
Subject: [net-next 0/2] psp: Support PSP Tx on logical devices like VLAN

This patch adds support to allow transmit if the bottom most underlying
transport device matches the PSP device associated with the
transmitting application socket.

python ./psp.py
 TAP version 13
 1..29
 ok 1 psp.data_basic_send_v0_ip4
 ok 2 psp.data_basic_send_v0_ip6
 ok 3 psp.data_basic_send_v1_ip4
 ok 4 psp.data_basic_send_v1_ip6
 ok 5 psp.data_basic_send_v2_ip4
 ok 6 psp.data_basic_send_v2_ip6
 ok 7 psp.data_basic_send_v3_ip4
 ok 8 psp.data_basic_send_v3_ip6
 ok 9 psp.data_mss_adjust_ip4
 ok 10 psp.data_mss_adjust_ip6
 ok 11 psp.dev_list_devices
 ok 12 psp.dev_get_device
 ok 13 psp.dev_get_device_bad
 ok 14 psp.dev_rotate
 ok 15 psp.dev_rotate_spi
 ok 16 psp.assoc_basic
 ok 17 psp.assoc_bad_dev
 ok 18 psp.assoc_sk_only_conn
 ok 19 psp.assoc_sk_only_mismatch
 ok 20 psp.assoc_sk_only_mismatch_tx
 ok 21 psp.assoc_sk_only_unconn
 ok 22 psp.assoc_version_mismatch
 ok 23 psp.assoc_twice
 ok 24 psp.data_send_bad_key
 ok 25 psp.data_send_disconnect
 ok 26 psp.data_stale_key
 ok 27 psp.removal_device_rx
 ok 28 psp.removal_device_bi
 ok 29 psp.vlan_basic_send
 # Totals: pass:29 fail:0 xfail:0 xpass:0 skip:0 error:0
 #
 # Responder logs (0):
 # STDERR:
 #   Set PSP enable on device 6 to 0xf
 #   Set PSP enable on device 6 to 0x0
 
Kiran Kella (2):
  psp: Support for transmit on logical device when the underlying
    transport device supports PSP.
  selftests: drv-net: psp: add test for VLAN sub-interface

 net/psp/psp_main.c                         | 114 ++++++++++++++++++++
 tools/testing/selftests/drivers/net/psp.py | 117 ++++++++++++++++++++-
 2 files changed, 229 insertions(+), 2 deletions(-)

-- 
2.45.4