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