def load_drivers():
if get_sde_profile_name() == constants.sde_hw_profile_name:
print('Loading kernel modules.')
if not load_and_verify_kernel_modules():
print("ERROR:Some kernel modules are not loaded.")
#exit(0)
else:
print('Running simulation, No need to load kernel modules.')
def start_stratum():
print("Starting Stratum....")
stratum_start_cmd_bsp_less = 'sudo {0}/bazel-bin/stratum/hal/bin/barefoot/stratum_bf \
--external_stratum_urls=0.0.0.0:28000 \
--grpc_max_recv_msg_size=256 \
--bf_sde_install={1} \
--persistent_config_dir={2} \
--forwarding_pipeline_configs_file={2}/p4_pipeline.pb.txt \
--chassis_config_file={2}/chassis_config.pb.txt \
--write_req_log_file={2}/p4_writes.pb.txt \
--bf_switchd_cfg={0}/stratum/hal/bin/barefoot/tofino_skip_p4_no_bsp.conf'.format(
get_env_var(constants.stratum_home_env_var_name),
get_env_var(constants.bf_sde_install_env_var_name),
get_env_var(constants.stratum_config_env_var_name))
append_to_env_var(constants.ld_lib_path_env_var_name,
common.get_gb_home_absolute() + '/compilation_root')
stratum_start_cmd_bsp = 'sudo LD_LIBRARY_PATH={3} {0}/bazel-bin/stratum/hal/bin/barefoot/stratum_bf \
--external_stratum_urls=0.0.0.0:28000 \
--grpc_max_recv_msg_size=256 \
--bf_sde_install={1} \
--persistent_config_dir={2} \
--forwarding_pipeline_configs_file={2}/p4_pipeline.pb.txt \
--chassis_config_file={2}/chassis_config.pb.txt \
--write_req_log_file={2}/p4_writes.pb.txt \
--bf_sim'.format(get_env_var(constants.stratum_home_env_var_name),
get_env_var(constants.bf_sde_install_env_var_name),
get_env_var(constants.stratum_config_env_var_name),
get_env_var(constants.ld_lib_path_env_var_name))
if not load_and_verify_kernel_modules():
print("ERROR:Some kernel modules are not loaded.")
exit(0)
shutil.copyfile(
get_env_var(constants.stratum_home_env_var_name) +
'/stratum/hal/bin/barefoot/platforms/x86-64-stordis-bf2556x-1t-r0.json',
get_env_var(constants.bf_sde_install_env_var_name) +
'/share/port_map.json')
os.chdir(get_env_var(constants.stratum_home_env_var_name))
print('Current dir: {}'.format(os.getcwd()))
if get_stratum_mode() == 'bsp-less':
print("Starting Stratum in bsp-less mode...")
print("Executing command {}".format(stratum_start_cmd_bsp_less))
os.system(stratum_start_cmd_bsp_less)
else:
print("Starting Stratum in bsp mode...")
print("Executing command {}".format(stratum_start_cmd_bsp))
os.system(stratum_start_cmd_bsp)
def run_sal():
print('Starting SAL reference application...')
if get_selected_profile_name() == constants.sal_hw_profile_name and not load_and_verify_kernel_modules():
print("ERROR:Some kernel modules are not loaded.")
exit(0)
#os.environ['TCMALLOC_LARGE_ALLOC_REPORT_THRESHOLD'] = '64077925800531312640'
set_env_var(constants.sal_home_env_var_name, sal_rel_dir)
sal_executable = sal_rel_dir + '/build/salRefApp'
sal_run_cmd='sudo -E LD_LIBRARY_PATH={0}:{1} {2}'.format(
sal_rel_dir + '/lib',
get_sde_home_absolute() + '/install/lib', sal_executable)
print('Running SAL with command: {}'.format(sal_run_cmd))
os.system(sal_run_cmd)
def run_sal():
print('Starting SAL reference application...')
set_sal_runtime_env()
if get_selected_profile_name(
) == constants.sal_hw_profile_name and not load_and_verify_kernel_modules(
):
print("ERROR:Some kernel modules are not loaded.")
exit(0)
sal_executable = sal_rel_dir + '/build/salRefApp'
sal_run_cmd = 'sudo -E LD_LIBRARY_PATH={0}:{1}:{2} {3}'.format(
sal_rel_dir + '/build', sal_rel_dir + '/lib',
get_sde_home_absolute() + '/install/lib', sal_executable)
print('Running SAL with command: {}'.format(sal_run_cmd))
os.system(sal_run_cmd)
def start_stratum():
print("Starting Stratum....")
stratum_start_cmd_bsp_less = 'sudo {0}/bazel-bin/stratum/hal/bin/barefoot/stratum_bf \
--external_stratum_urls=0.0.0.0:28000 \
--grpc_max_recv_msg_size=256 \
--bf_sde_install={1} \
--persistent_config_dir={2} \
--forwarding_pipeline_configs_file={2}/p4_pipeline.pb.txt \
--chassis_config_file={2}/chassis_config.pb.txt \
--write_req_log_file={2}/p4_writes.pb.txt \
--bf_switchd_cfg={0}/stratum/hal/bin/barefoot/tofino_skip_p4_no_bsp.conf'.format(
get_env_var(constants.stratum_home_env_var_name),
get_env_var(constants.bf_sde_install_env_var_name),
get_env_var(constants.stratum_config_env_var_name)
)
append_to_env_var(constants.ld_lib_path_env_var_name,
common.get_gb_lib_home_absolute())
stratum_start_cmd_bsp = 'export PLATFORM=x86-64-stordis-bf2556x-1t-r0 && \
sudo -E start-stratum.sh --bf_sim '
if get_switch_model() == constants.bf6064x_t:
stratum_start_cmd_bsp = 'export PLATFORM=x86-64-stordis-bf6064x-t-r0 && \
sudo -E start-stratum.sh --bf_sim '
# Following call is made from bf_sde.py, following call will not be made if user does nothing for BF SDE.
if not load_and_verify_kernel_modules():
print("ERROR:Some kernel modules are not loaded.")
exit(0)
os.chdir(get_env_var(constants.stratum_home_env_var_name))
print('Current dir: {}'.format(os.getcwd()))
if get_stratum_mode() == 'bsp-less':
print("Starting Stratum in bsp-less mode...")
print("Executing command {}".format(stratum_start_cmd_bsp_less))
shutil.copyfile(get_env_var(
constants.stratum_home_env_var_name) + '/stratum/hal/config/x86-64-stordis-bf2556x-1t-r0/port_map.json',
get_env_var(
constants.bf_sde_install_env_var_name) + '/share/port_map.json')
os.system(stratum_start_cmd_bsp_less)
else:
print("Starting Stratum in bsp mode...")
print("Executing command {}".format(stratum_start_cmd_bsp))
os.system(stratum_start_cmd_bsp)
return True
def run_sal():
print('Starting SAL reference application...')
if get_selected_profile_name(
) == constants.sal_hw_profile_name and not load_and_verify_kernel_modules(
):
print("ERROR:Some kernel modules are not loaded.")
exit(0)
sal_home = get_env_var(constants.sal_home_env_var_name)
sal_executable = sal_home + '/build/salRefApp'
sal_run_cmd = 'sudo -E LD_LIBRARY_PATH={0}:{1}:{2}:{3} {4}'.format(
sal_home + '/build', sal_home + '/lib',
get_env_var(constants.tp_install_env_var_name) + '/lib',
get_env_var(constants.sal_home_env_var_name) + '/install/lib',
sal_executable)
print('Running SAL with command: {}'.format(sal_run_cmd))
execute_cmd(sal_run_cmd)
return True
def start_bf_switchd():
# os.chdir(common.dname)
print('Starting BF switchd.')
set_sde_env()
profile_name = get_sde_profile_name()
# Check this is an HW and all drivers are loaded
if profile_name == constants.sde_hw_profile_name and not load_and_verify_kernel_modules(
):
print("ERROR:Some kernel modules are not loaded.")
exit(0)
if profile_name == constants.sde_sim_profile_name:
# TODO Do something meaningful, Possibly launch tofino model in separate shell,
# Currently This just an interrupt for user to start tofino model.
input('Make sure that tofino-model is running?')
p4_prog_name = get_from_setting_dict('BF SDE', 'p4_name')
# LD_LIBRARY_PATH is set for ONLPv2 case, libs in install/lib folder are
# not found there but this does not cause any harm for Ubuntu case either.
# set_env('LD_LIBRARY_PATH', "/{0}/install/lib".format(get_env_var('SDE')))
# print("LD_LIBRARY_PATH : ")
# os.system("echo $LD_LIBRARY_PATH")
if not p4_prog_name:
print("Starting switchd without p4 program")
start_switchd_cmd = "sudo {0}/install/bin/bf_switchd --install-dir {" \
"0}/install --conf-file {" \
"0}/pkgsrc/p4-examples/tofino/tofino_skip_p4.conf" \
".in --skip-p4".format(get_env_var('SDE'))
if profile_name == constants.sde_hw_profile_name:
start_switchd_cmd = "sudo -E {0}/run_switchd.sh -c {0}/pkgsrc/p4-examples/tofino/tofino_skip_p4.conf.in --skip-p4".format(
get_env_var('SDE'))
else:
print("Starting switchd with P4 prog:{}".format(p4_prog_name))
start_switchd_cmd = 'sudo -E {0} /run_switchd.sh -p {1}'.format(
get_env_var('SDE'), p4_prog_name.replace(".p4", ""))
username = getpass.getuser()
if username == "root":
start_switchd_cmd = start_switchd_cmd.replace("sudo -E", "")
alloc_dma()
print("Starting switchd with command : {}".format(start_switchd_cmd))
os.system(start_switchd_cmd)
def set_sde_env():
print("Setting environment for BF_SDE.")
sde_home_absolute = get_sde_home_absolute()
if validate_path_existence(sde_home_absolute, 'SDE'):
set_env_var(constants.sde_env_var_name, sde_home_absolute)
set_env_var(constants.sde_install_env_var_name,
get_env_var(constants.sde_env_var_name) + '/install')
print('Environment variables set: \n SDE: {0} \n SDE_INSTALL: {1}'.
format(get_env_var(constants.sde_env_var_name),
get_env_var(constants.sde_install_env_var_name)))
else:
print('ERROR: SDE directory couldnt be found, exiting .')
exit(0)
if get_sde_profile_name() == constants.sde_hw_profile_name:
print('Loading kernel modules.')
if not load_and_verify_kernel_modules():
print("ERROR:Some kernel modules are not loaded.")
exit(0)
else:
print('Running simulation, No need to load kernel modules.')
return True
