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It's always TEST_TIMEOUT_SEC, with an unjustified exception in rst test,
that is more paranoia-long timeout rather than based on requirements.
Signed-off-by: Dmitry Safonov <0x7f454c46@gmail.com>
Link: https://patch.msgid.link/20250319-tcp-ao-selftests-polling-v2-7-da48040153d1@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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There are related TCP-MD5 <=> TCP and TCP-MD5 <=> TCP-AO tests
that can benefit from checking the related counters, not only from
validating operations timeouts.
It also prepares the code for introduction of mixed select()+poll mode,
see the follow-up patches.
Signed-off-by: Dmitry Safonov <0x7f454c46@gmail.com>
Link: https://patch.msgid.link/20250319-tcp-ao-selftests-polling-v2-3-da48040153d1@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Rename __test_tcp_ao_counters_cmp() into test_assert_counters_ao() and
test_tcp_ao_key_counters_cmp() into test_assert_counters_key() as they
are asserts, rather than just compare functions.
Provide test_cmp_counters() helper, that's going to be used to compare
ao_info and netns counters as a stop condition for polling the sockets.
Signed-off-by: Dmitry Safonov <0x7f454c46@gmail.com>
Link: https://patch.msgid.link/20250319-tcp-ao-selftests-polling-v2-2-da48040153d1@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Setup trace points, add a new ftrace instance in order to not interfere
with the rest of the system, filtering by net namespace cookies.
Raise a new background thread that parses trace_pipe, matches them with
the list of expected events.
Wiring up trace events to selftests provides another insight if there is
anything unexpected happining in the tcp-ao code (i.e. key rotation when
it's not expected).
Note: in real programs libtraceevent should be used instead of this
manual labor of setting ftrace up and parsing. I'm not using it here
as I don't want to have an .so library dependency that one would have to
bring into VM or DUT (Device Under Test). Please, don't copy it over
into any real world programs, that aren't tests.
Signed-off-by: Dmitry Safonov <0x7f454c46@gmail.com>
Link: https://patch.msgid.link/20240823-tcp-ao-selftests-upd-6-12-v4-8-05623636fe8c@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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As the names of (struct test_key) members didn't reflect whether the key
was used for TX or RX, the verification for the counters was done
incorrectly for asymmetrical selftests.
Rename these with _tx appendix and fix checks in verify_counters().
While at it, as the checks are now correct, introduce skip_counters_checks,
which is intended for tests where it's expected that a key that was set
with setsockopt(sk, IPPROTO_TCP, TCP_AO_INFO, ...) might had no chance
of getting used on the wire.
Fixes the following failures, exposed by the previous commit:
> not ok 51 server: Check current != rnext keys set before connect(): Counter pkt_good was expected to increase 0 => 0 for key 132:5
> not ok 52 server: Check current != rnext keys set before connect(): Counter pkt_good was not expected to increase 0 => 21 for key 137:10
>
> not ok 63 server: Check current flapping back on peer's RnextKey request: Counter pkt_good was expected to increase 0 => 0 for key 132:5
> not ok 64 server: Check current flapping back on peer's RnextKey request: Counter pkt_good was not expected to increase 0 => 40 for key 137:10
Cc: Mohammad Nassiri <mnassiri@ciena.com>
Fixes: 3c3ead555648 ("selftests/net: Add TCP-AO key-management test")
Signed-off-by: Dmitry Safonov <dima@arista.com>
Link: https://lore.kernel.org/r/20240130-tcp-ao-test-key-mgmt-v2-2-d190430a6c60@arista.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The end_server() function only operates in the server thread
and always takes an accept socket instead of a listen socket as
its input argument. To align with this, invert the boolean values
used when calling verify_counters() within the end_server() function.
As a result of this typo, the test didn't correctly check for
the non-symmetrical scenario, where i.e. peer-A uses a key <100:200>
to send data, but peer-B uses another key <105:205> to send its data.
So, in simple words, different keys for TX and RX.
Fixes: 3c3ead555648 ("selftests/net: Add TCP-AO key-management test")
Signed-off-by: Mohammad Nassiri <mnassiri@ciena.com>
Link: https://lore.kernel.org/all/934627c5-eebb-4626-be23-cfb134c01d1a@arista.com/
[amended 'Fixes' tag, added the issue description and carried-over to lkml]
Signed-off-by: Dmitry Safonov <dima@arista.com>
Link: https://lore.kernel.org/r/20240130-tcp-ao-test-key-mgmt-v2-1-d190430a6c60@arista.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Check multiple keys on a socket:
- rotation on closed socket
- current/rnext operations shouldn't be possible on listen sockets
- current/rnext key set should be the one, that's used on connect()
- key rotations with pseudo-random generated keys
- copying matching keys on connect() and on accept()
At this moment there are 3 tests that are "expected" to fail: a kernel
fix is needed to improve the situation, they are marked XFAIL.
Sample output:
> # ./key-management_ipv4
> 1..120
> # 1601[lib/setup.c:239] rand seed 1700526653
> TAP version 13
> ok 1 closed socket, delete a key: the key was deleted
> ok 2 closed socket, delete all keys: the key was deleted
> ok 3 closed socket, delete current key: key deletion was prevented
> ok 4 closed socket, delete rnext key: key deletion was prevented
> ok 5 closed socket, delete a key + set current/rnext: the key was deleted
> ok 6 closed socket, force-delete current key: the key was deleted
> ok 7 closed socket, force-delete rnext key: the key was deleted
> ok 8 closed socket, delete current+rnext key: key deletion was prevented
> ok 9 closed socket, add + change current key
> ok 10 closed socket, add + change rnext key
> ok 11 listen socket, delete a key: the key was deleted
> ok 12 listen socket, delete all keys: the key was deleted
> ok 13 listen socket, setting current key not allowed
> ok 14 listen socket, setting rnext key not allowed
> ok 15 # XFAIL listen() after current/rnext keys set: the socket has current/rnext keys: 100:200
> ok 16 # XFAIL listen socket, delete current key from before listen(): failed to delete the key 100:100 -16
> ok 17 # XFAIL listen socket, delete rnext key from before listen(): failed to delete the key 200:200 -16
> ok 18 listen socket, getsockopt(TCP_AO_REPAIR) is restricted
> ok 19 listen socket, setsockopt(TCP_AO_REPAIR) is restricted
> ok 20 listen socket, delete a key + set current/rnext: key deletion was prevented
> ok 21 listen socket, force-delete current key: key deletion was prevented
> ok 22 listen socket, force-delete rnext key: key deletion was prevented
> ok 23 listen socket, delete a key: the key was deleted
> ok 24 listen socket, add + change current key
> ok 25 listen socket, add + change rnext key
> ok 26 server: Check current/rnext keys unset before connect(): The socket keys are consistent with the expectations
> ok 27 client: Check current/rnext keys unset before connect(): current key 19 as expected
> ok 28 client: Check current/rnext keys unset before connect(): rnext key 146 as expected
> ok 29 server: Check current/rnext keys unset before connect(): server alive
> ok 30 server: Check current/rnext keys unset before connect(): passed counters checks
> ok 31 client: Check current/rnext keys unset before connect(): The socket keys are consistent with the expectations
> ok 32 server: Check current/rnext keys unset before connect(): The socket keys are consistent with the expectations
> ok 33 server: Check current/rnext keys unset before connect(): passed counters checks
> ok 34 client: Check current/rnext keys unset before connect(): passed counters checks
> ok 35 server: Check current/rnext keys set before connect(): The socket keys are consistent with the expectations
> ok 36 server: Check current/rnext keys set before connect(): server alive
> ok 37 server: Check current/rnext keys set before connect(): passed counters checks
> ok 38 client: Check current/rnext keys set before connect(): current key 10 as expected
> ok 39 client: Check current/rnext keys set before connect(): rnext key 137 as expected
> ok 40 server: Check current/rnext keys set before connect(): The socket keys are consistent with the expectations
> ok 41 client: Check current/rnext keys set before connect(): The socket keys are consistent with the expectations
> ok 42 client: Check current/rnext keys set before connect(): passed counters checks
> ok 43 server: Check current/rnext keys set before connect(): passed counters checks
> ok 44 server: Check current != rnext keys set before connect(): The socket keys are consistent with the expectations
> ok 45 server: Check current != rnext keys set before connect(): server alive
> ok 46 server: Check current != rnext keys set before connect(): passed counters checks
> ok 47 client: Check current != rnext keys set before connect(): current key 10 as expected
> ok 48 client: Check current != rnext keys set before connect(): rnext key 132 as expected
> ok 49 server: Check current != rnext keys set before connect(): The socket keys are consistent with the expectations
> ok 50 client: Check current != rnext keys set before connect(): The socket keys are consistent with the expectations
> ok 51 client: Check current != rnext keys set before connect(): passed counters checks
> ok 52 server: Check current != rnext keys set before connect(): passed counters checks
> ok 53 server: Check current flapping back on peer's RnextKey request: The socket keys are consistent with the expectations
> ok 54 server: Check current flapping back on peer's RnextKey request: server alive
> ok 55 server: Check current flapping back on peer's RnextKey request: passed counters checks
> ok 56 client: Check current flapping back on peer's RnextKey request: current key 10 as expected
> ok 57 client: Check current flapping back on peer's RnextKey request: rnext key 132 as expected
> ok 58 server: Check current flapping back on peer's RnextKey request: The socket keys are consistent with the expectations
> ok 59 client: Check current flapping back on peer's RnextKey request: The socket keys are consistent with the expectations
> ok 60 server: Check current flapping back on peer's RnextKey request: passed counters checks
> ok 61 client: Check current flapping back on peer's RnextKey request: passed counters checks
> ok 62 server: Rotate over all different keys: The socket keys are consistent with the expectations
> ok 63 server: Rotate over all different keys: server alive
> ok 64 server: Rotate over all different keys: passed counters checks
> ok 65 server: Rotate over all different keys: current key 128 as expected
> ok 66 client: Rotate over all different keys: rnext key 128 as expected
> ok 67 server: Rotate over all different keys: current key 129 as expected
> ok 68 client: Rotate over all different keys: rnext key 129 as expected
> ok 69 server: Rotate over all different keys: current key 130 as expected
> ok 70 client: Rotate over all different keys: rnext key 130 as expected
> ok 71 server: Rotate over all different keys: current key 131 as expected
> ok 72 client: Rotate over all different keys: rnext key 131 as expected
> ok 73 server: Rotate over all different keys: current key 132 as expected
> ok 74 client: Rotate over all different keys: rnext key 132 as expected
> ok 75 server: Rotate over all different keys: current key 133 as expected
> ok 76 client: Rotate over all different keys: rnext key 133 as expected
> ok 77 server: Rotate over all different keys: current key 134 as expected
> ok 78 client: Rotate over all different keys: rnext key 134 as expected
> ok 79 server: Rotate over all different keys: current key 135 as expected
> ok 80 client: Rotate over all different keys: rnext key 135 as expected
> ok 81 server: Rotate over all different keys: current key 136 as expected
> ok 82 client: Rotate over all different keys: rnext key 136 as expected
> ok 83 server: Rotate over all different keys: current key 137 as expected
> ok 84 client: Rotate over all different keys: rnext key 137 as expected
> ok 85 server: Rotate over all different keys: current key 138 as expected
> ok 86 client: Rotate over all different keys: rnext key 138 as expected
> ok 87 server: Rotate over all different keys: current key 139 as expected
> ok 88 client: Rotate over all different keys: rnext key 139 as expected
> ok 89 server: Rotate over all different keys: current key 140 as expected
> ok 90 client: Rotate over all different keys: rnext key 140 as expected
> ok 91 server: Rotate over all different keys: current key 141 as expected
> ok 92 client: Rotate over all different keys: rnext key 141 as expected
> ok 93 server: Rotate over all different keys: current key 142 as expected
> ok 94 client: Rotate over all different keys: rnext key 142 as expected
> ok 95 server: Rotate over all different keys: current key 143 as expected
> ok 96 client: Rotate over all different keys: rnext key 143 as expected
> ok 97 server: Rotate over all different keys: current key 144 as expected
> ok 98 client: Rotate over all different keys: rnext key 144 as expected
> ok 99 server: Rotate over all different keys: current key 145 as expected
> ok 100 client: Rotate over all different keys: rnext key 145 as expected
> ok 101 server: Rotate over all different keys: current key 146 as expected
> ok 102 client: Rotate over all different keys: rnext key 146 as expected
> ok 103 server: Rotate over all different keys: current key 127 as expected
> ok 104 client: Rotate over all different keys: rnext key 127 as expected
> ok 105 client: Rotate over all different keys: current key 0 as expected
> ok 106 client: Rotate over all different keys: rnext key 127 as expected
> ok 107 server: Rotate over all different keys: The socket keys are consistent with the expectations
> ok 108 client: Rotate over all different keys: The socket keys are consistent with the expectations
> ok 109 client: Rotate over all different keys: passed counters checks
> ok 110 server: Rotate over all different keys: passed counters checks
> ok 111 server: Check accept() => established key matching: The socket keys are consistent with the expectations
> ok 112 Can't add a key with non-matching ip-address for established sk
> ok 113 Can't add a key with non-matching VRF for established sk
> ok 114 server: Check accept() => established key matching: server alive
> ok 115 server: Check accept() => established key matching: passed counters checks
> ok 116 client: Check connect() => established key matching: current key 0 as expected
> ok 117 client: Check connect() => established key matching: rnext key 128 as expected
> ok 118 client: Check connect() => established key matching: The socket keys are consistent with the expectations
> ok 119 server: Check accept() => established key matching: The socket keys are consistent with the expectations
> ok 120 server: Check accept() => established key matching: passed counters checks
> # Totals: pass:120 fail:0 xfail:0 xpass:0 skip:0 error:0
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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