def load_and_verify_kernel_modules():
output = execute_cmd('lsmod')
bf_kdrv = True
i2c_i801 = True
os.system("sudo modprobe -q i2c-i801")
os.system("sudo modprobe -q i2c-dev")
if 'bf_kdrv' not in output:
load_bf_kdrv()
output = execute_cmd('lsmod')
if 'i2c_i801' not in output and is_ubuntu():
# Ubuntu check is there because i2c_i801 appears only in output of lsmod in Ubuntu
i2c_i801 = False
print('ERROR:i2c_i801 is not loaded.')
if 'bf_kdrv' not in output:
bf_kdrv = False
print("ERROR:bf_kdrv is not loaded.")
# Load switch specific kernel modules
if get_switch_model_from_settings() == constants.bf2556x_1t:
return bf_kdrv and i2c_i801 and load_and_verify_kernel_modules_bf2556()
else:
return bf_kdrv and i2c_i801 and load_and_verify_kernel_modules_bf6064()
def do_basic_path_validation(profile_name):
# Do basic path verification.
print('Selected build profile is {}.'.format(profile_name))
print('Switch model : {}'.format(get_switch_model_from_settings()))
validate_path_existence(get_sde_pkg_abs_path(), 'Barefoot SDE')
if not is_sim_profile_selected():
validate_path_existence(get_bsp_pkg_abs_path(), 'BSP')
if get_selected_profile_name() in [constants.stratum_sim_profile_name,
constants.stratum_hw_profile_name]:
validate_path_existence(get_stratum_home_absolute(),'Stratum')
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_from_settings() == 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)
import constants
from bf_sde import load_bf_sde_profile
from common import read_settings, get_selected_profile_name, \
get_sde_pkg_abs_path, get_bsp_pkg_abs_path, \
is_sim_profile_selected, get_switch_model_from_settings, \
validate_path_existence
from sal import load_sal_profile
from stratum import load_stratum_profile, get_stratum_home_absolute
if __name__ == '__main__':
read_settings()
profile_name = get_selected_profile_name()
# Do basic path verification.
print('Selected build profile is {}.'.format(profile_name))
print('Switch model : {}'.format(get_switch_model_from_settings()))
validate_path_existence(get_sde_pkg_abs_path(), 'Barefoot SDE')
if not is_sim_profile_selected():
validate_path_existence(get_bsp_pkg_abs_path(), 'BSP')
if get_selected_profile_name() in [
constants.stratum_sim_profile_name,
constants.stratum_hw_profile_name
]:
validate_path_existence(get_stratum_home_absolute(), 'Stratum')
if profile_name in ['stratum_hw_profile', 'stratum_sim_profile']:
load_stratum_profile()
elif profile_name == 'sde_sim_profile' or profile_name == 'sde_hw_profile':
load_bf_sde_profile()
else:
load_sal_profile()