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[mac] move auxiliary frame counter from Mac to SubMac (#4976)
In Thread 1.2, it is possible to receive an IEEE 802.15.4-2015 packet. Per specification, receiver should acknowledge this packet with an IEEE 802.15.4-2015 ACK(Enh-ACK). This Enh-ACK can include header IE with it and requires security enabled bit in FCF be set to true. It is impractical for the host to generate the Enh-ACK and send to RCP for transmission within AIFS time(192us). So RCP should prepare the Enh-ACK by itself, which requires it to fill in the frame counter and do the encryption/authentication. This commit tries to address the need of filling auxiliary frame counter in RCP by including the following changes: - Move frame counter related functions from MAC layer to SubMac layer, which is mirrored in RCP. - Set mMacFrameCounter to RCP using newly added spinel properties. - RCP reports last used frame counter to host in TxDone and RxDone. - Add a simulation test for reset verification.
This commit is contained in:
Jintao Lin
@@ -157,10 +157,11 @@ EXTRA_DIST = \
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test_lowpan.py \
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test_mac802154.py \
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test_mle.py \
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test_service.py \
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test_network_data.py \
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test_network_layer.py \
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test_reed_address_solicit_rejected.py \
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test_reset.py \
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test_service.py \
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thread_cert.py \
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tlvs_parsing.py \
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$(NULL)
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@@ -181,10 +182,11 @@ check_SCRIPTS = \
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test_lowpan.py \
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test_mac802154.py \
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test_mle.py \
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test_service.py \
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test_network_data.py \
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test_network_layer.py \
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test_reed_address_solicit_rejected.py \
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test_reset.py \
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test_service.py \
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Cert_5_1_01_RouterAttach.py \
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Cert_5_1_02_ChildAddressTimeout.py \
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Cert_5_1_03_RouterAddressReallocation.py \
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Executable
+109
@@ -0,0 +1,109 @@
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#!/usr/bin/env python3
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#
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# Copyright (c) 2020, The OpenThread Authors.
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# 3. Neither the name of the copyright holder nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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import unittest
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import thread_cert
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LEADER = 1
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ROUTER = 2
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ED = 3
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SED = 4
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class TestReset(thread_cert.TestCase):
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topology = {
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LEADER: {
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'mode': 'rsdn',
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'panid': 0xface,
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'whitelist': [ROUTER]
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},
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ROUTER: {
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'mode': 'rsdn',
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'panid': 0xface,
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'router_selection_jitter': 1,
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'whitelist': [LEADER, ED]
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},
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ED: {
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'is_mtd': True,
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'mode': 'rsn',
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'panid': 0xface,
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'whitelist': [ROUTER]
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},
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}
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def test(self):
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self.nodes[LEADER].start()
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self.simulator.go(5)
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self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
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self.nodes[ROUTER].start()
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self.simulator.go(7)
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self.assertEqual(self.nodes[ROUTER].get_state(), 'router')
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self.nodes[ED].start()
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self.simulator.go(7)
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self.assertEqual(self.nodes[ED].get_state(), 'child')
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leader_addrs = self.nodes[LEADER].get_addrs()
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router_addrs = self.nodes[ROUTER].get_addrs()
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for i in range(0, 1010):
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self.assertTrue(self.nodes[ED].ping(leader_addrs[0]))
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self.simulator.go(1)
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# 1 - Leader
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self.nodes[LEADER].reset()
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self.nodes[LEADER].start()
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self.simulator.go(7)
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self.assertEqual(self.nodes[LEADER].get_state(), 'leader')
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for addr in router_addrs:
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self.assertTrue(self.nodes[LEADER].ping(addr))
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# 2 - Router
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self.nodes[ROUTER].reset()
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self.nodes[ROUTER].start()
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self.simulator.go(7)
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self.assertEqual(self.nodes[ROUTER].get_state(), 'router')
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for addr in leader_addrs:
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self.assertTrue(self.nodes[ROUTER].ping(addr))
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# 3 - Child
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self.nodes[ED].reset()
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self.nodes[ED].start()
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self.simulator.go(7)
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self.assertEqual(self.nodes[ED].get_state(), 'child')
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for addr in router_addrs:
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self.assertTrue(self.nodes[ED].ping(addr))
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if __name__ == '__main__':
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unittest.main()
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