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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>
This commit is contained in:
Love Kumar 2024-01-30 13:37:01 +05:30 • committed by Tom Rini
parent 934dec0af0
commit 783ba859ad
1 changed files with 58 additions and 0 deletions
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58
test/py/tests/test_net.py
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@ -8,6 +8,7 @@ import pytest
import u_boot_utils import u_boot_utils
import uuid import uuid
import datetime import datetime
import re
""" """
Note: This test relies on boardenv_* containing configuration values to define Note: This test relies on boardenv_* containing configuration values to define
@ -31,6 +32,12 @@ env__net_uses_pci = True
# set to False. # set to False.
env__net_dhcp_server = True 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.
# For example: On some setup, dhcp is too fast and this case may not work.
env__dhcp_abort_test_skip = True
# True if a DHCPv6 server is attached to the network, and should be tested. # 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 # If DHCPv6 testing is not possible or desired, this variable may be omitted or
# set to False. # set to False.
@ -120,6 +127,57 @@ def test_net_dhcp(u_boot_console):
global net_set_up global net_set_up
net_set_up = True 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', True):
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')
try:
# 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
finally:
# 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') @pytest.mark.buildconfigspec('cmd_dhcp6')
def test_net_dhcp6(u_boot_console): def test_net_dhcp6(u_boot_console):
"""Test the dhcp6 command. """Test the dhcp6 command.