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tests: P2P peer table limit

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Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
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Jouni Malinen 2020-12-08 23:56:46 +02:00 committed by Jouni Malinen
parent 1a47e2ff8f
commit 43a65b40b9
1 changed files with 51 additions and 0 deletions
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51
tests/hwsim/test_p2p_discovery.py
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@ -818,3 +818,54 @@ def test_p2p_group_cli_invalid(dev, apdev):
ev = dev[i].wait_global_event(["P2P-DEVICE-FOUND"], timeout=5) ev = dev[i].wait_global_event(["P2P-DEVICE-FOUND"], timeout=5)
if not ev: if not ev:
raise Exception("P2P device not found") raise Exception("P2P device not found")
def test_discovery_max_peers(dev):
"""P2P device discovery and maximum peer limit exceeded"""
dev[0].p2p_listen()
dev[0].request("SET ext_mgmt_frame_handling 1")
probereq1 = "40000000ffffffffffff"
probereq2 = "ffffffffffff000000074449524543542d01080c1218243048606c0301012d1afe131bffff000000000000000000000100000000000000000000ff16230178c812400000bfce0000000000000000fafffaffdd730050f204104a000110103a00010110080002314810470010572cf82fc95756539b16b5cfb298abf1105400080000000000000000103c0001031002000200001009000200001012000200001021000120102300012010240001201011000844657669636520421049000900372a000120030101dd11506f9a0902020025000605005858045106"
# Fill the P2P peer table with max+1 entries based on Probe Request frames
# to verify correct behavior on# removing the oldest entry when running out
# of room.
for i in range(101):
addr = "0202020202%02x" % i
probereq = probereq1 + addr + probereq2
if "OK" not in dev[0].request("MGMT_RX_PROCESS freq=2412 datarate=60 ssi_signal=-30 frame=" + probereq):
raise Exception("MGMT_RX_PROCESS failed")
res = dev[0].global_request("P2P_PEER FIRST")
addr = res.splitlines()[0]
peers = [addr]
limit = 200
while limit > 0:
res = dev[0].global_request("P2P_PEER NEXT-" + addr)
addr = res.splitlines()[0]
if addr == "FAIL":
break
peers.append(addr)
limit -= 1
logger.info("Peers: " + str(peers))
if len(peers) != 100:
raise Exception("Unexpected number of peer entries")
oldest = "02:02:02:02:02:00"
if oldest in peers:
raise Exception("Oldest entry is still present")
for i in range(101):
addr = "02:02:02:02:02:%02x" % i
if addr == oldest:
continue
if addr not in peers:
raise Exception("Peer missing from table: " + addr)
# Provision Discovery Request from the oldest peer (SA) using internally
# different P2P Device Address as a regression test for incorrect processing
# for this corner case.
dst = dev[0].own_addr().replace(':', '')
src = peers[99].replace(':', '')
devaddr = "0202020202ff"
pdreq = "d0004000" + dst + src + dst + "d0000409506f9a090701dd29506f9a0902020025000d1d00" + devaddr + "1108000000000000000000101100084465766963652041dd0a0050f204100800020008"
if "OK" not in dev[0].request("MGMT_RX_PROCESS freq=2412 datarate=60 ssi_signal=-30 frame=" + pdreq):
raise Exception("MGMT_RX_PROCESS failed")