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test/py: net: Add dhcp abort test

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Abort the dhcp request in the middle by pressing ctrl + c on u-boot
prompt and validate the abort status.

Signed-off-by: Love Kumar <love.kumar@amd.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Love Kumar 2023-11-21 18:32:47 +05:30 • committed by Tom Rini
parent 043ca8c8a9
commit d836473862
1 changed files with 57 additions and 0 deletions
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57
test/py/tests/test_net.py
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@ -8,6 +8,7 @@ import pytest
import u_boot_utils
import uuid
import datetime
import re
"""
Note: This test relies on boardenv_* containing configuration values to define
@ -31,6 +32,11 @@ env__net_uses_pci = True
# set to False.
env__net_dhcp_server = True
# False or omitted if a DHCP server is attached to the network, and dhcp abort
# case should be tested.
# If DHCP abort testing is not possible or desired, set this variable to True.
env__dhcp_abort_test_skip = True
# True if a DHCPv6 server is attached to the network, and should be tested.
# If DHCPv6 testing is not possible or desired, this variable may be omitted or
# set to False.
@ -120,6 +126,57 @@ def test_net_dhcp(u_boot_console):
global net_set_up
net_set_up = True
@pytest.mark.buildconfigspec("cmd_dhcp")
@pytest.mark.buildconfigspec("cmd_mii")
def test_net_dhcp_abort(u_boot_console):
"""Test the dhcp command by pressing ctrl+c in the middle of dhcp request
The boardenv_* file may be used to enable/disable this test; see the
comment at the beginning of this file.
"""
test_dhcp = u_boot_console.config.env.get("env__net_dhcp_server", False)
if not test_dhcp:
pytest.skip("No DHCP server available")
if u_boot_console.config.env.get("env__dhcp_abort_test_skip", False):
pytest.skip("DHCP abort test is not enabled!")
u_boot_console.run_command("setenv autoload no")
# Phy reset before running dhcp command
output = u_boot_console.run_command("mii device")
if not re.search(r"Current device: '(.+?)'", output):
pytest.skip("PHY device does not exist!")
eth_num = re.search(r"Current device: '(.+?)'", output).groups()[0]
u_boot_console.run_command(f"mii device {eth_num}")
output = u_boot_console.run_command("mii info")
eth_addr = hex(int(re.search(r"PHY (.+?):", output).groups()[0], 16))
u_boot_console.run_command(f"mii modify {eth_addr} 0 0x8000 0x8000")
u_boot_console.run_command("dhcp", wait_for_prompt=False)
try:
u_boot_console.wait_for("Waiting for PHY auto negotiation to complete")
except:
pytest.skip("Timeout waiting for PHY auto negotiation to complete")
u_boot_console.wait_for("done")
# Sending Ctrl-C
output = u_boot_console.run_command(
chr(3), wait_for_echo=False, send_nl=False
)
assert "TIMEOUT" not in output
assert "DHCP client bound to address " not in output
assert "Abort" in output
# Provide a time to recover from Abort - if it is not performed
# There is message like: ethernet@ff0e0000: No link.
u_boot_console.run_command("sleep 1")
# Run the dhcp test to setup the network configuration
test_net_dhcp(u_boot_console)
@pytest.mark.buildconfigspec('cmd_dhcp6')
def test_net_dhcp6(u_boot_console):
"""Test the dhcp6 command.