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[Mellanox sfputil ] fix lpmode set failure on Mellanox platform (#2408)

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* fix set lpmode failure issue

* fix review comments
This commit is contained in:
Kebo Liu 2019-01-05 01:37:03 +08:00 committed by lguohan
parent b84dbd8074
commit f0b2190b23
2 changed files with 91 additions and 74 deletions
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131
device/mellanox/x86_64-mlnx_msn2700-r0/plugins/sfplpmset.py
View File

@ -1,17 +1,47 @@
#!/usr/bin/env python
import sys, errno
import time
import os
from python_sdk_api.sxd_api import *
from python_sdk_api.sx_api import *
def get_log_ports(handle, sfp_module):
port_attributes_list = new_sx_port_attributes_t_arr(64)
port_cnt_p = new_uint32_t_p()
uint32_t_p_assign(port_cnt_p, 64)
REGISTER_NUM = 1
SXD_LOG_VERBOSITY_LEVEL = 0
DEVICE_ID = 1
SWITCH_ID = 0
SX_PORT_ATTR_ARR_SIZE = 64
rc = sx_api_port_device_get(handle, 1 , 0, port_attributes_list, port_cnt_p)
PMAOS_ASE = 1
PMAOS_EE = 1
PMAOS_E = 2
PMAOS_RST = 0
PMAOS_ENABLE = 1
PMAOS_DISABLE = 2
def get_port_admin_status_by_log_port(log_port):
oper_state_p = new_sx_port_oper_state_t_p()
admin_state_p = new_sx_port_admin_state_t_p()
module_state_p = new_sx_port_module_state_t_p()
rc = sx_api_port_state_get(handle, log_port, oper_state_p, admin_state_p, module_state_p)
assert rc == SXD_STATUS_SUCCESS, "sx_api_port_state_get failed, rc = %d" % rc
admin_state = sx_port_admin_state_t_p_value(admin_state_p)
if admin_state == SX_PORT_ADMIN_STATUS_UP:
return True
else:
return False
def set_port_admin_status_by_log_port(handle, log_port, admin_status):
rc = sx_api_port_state_set(handle, log_port, admin_status)
assert rc == SX_STATUS_SUCCESS, "sx_api_port_state_set failed, rc = %d" % rc
# Get all the ports related to the sfp, if port admin status is up, put it to list
def get_log_ports(handle, sfp_module):
port_attributes_list = new_sx_port_attributes_t_arr(SX_PORT_ATTR_ARR_SIZE)
port_cnt_p = new_uint32_t_p()
uint32_t_p_assign(port_cnt_p, SX_PORT_ATTR_ARR_SIZE)
rc = sx_api_port_device_get(handle, DEVICE_ID , SWITCH_ID, port_attributes_list, port_cnt_p)
assert rc == SX_STATUS_SUCCESS, "sx_api_port_device_get failed, rc = %d" % rc
port_cnt = uint32_t_p_value(port_cnt_p)
@ -19,32 +49,60 @@ def get_log_ports(handle, sfp_module):
for i in range(0, port_cnt):
port_attributes = sx_port_attributes_t_arr_getitem(port_attributes_list, i)
if port_attributes.port_mapping.module_port == sfp_module:
if get_port_admin_status_by_log_port(port_attributes.log_port):
log_port_list.append(port_attributes.log_port)
return log_port_list
def set_sfp_admin_status(handle, meta, sfp_module, sfp_log_port_list, admin_status):
def init_sx_meta_data():
meta = sxd_reg_meta_t()
meta.dev_id = DEVICE_ID
meta.swid = SWITCH_ID
return meta
def set_sfp_admin_status(sfp_module, admin_status):
# Get PMAOS
pmaos = ku_pmaos_reg()
pmaos.module = sfp_module
meta = init_sx_meta_data()
meta.access_cmd = SXD_ACCESS_CMD_GET
rc = sxd_access_reg_pmaos(pmaos, meta, 1, None, None)
rc = sxd_access_reg_pmaos(pmaos, meta, REGISTER_NUM, None, None)
assert rc == SXD_STATUS_SUCCESS, "sxd_access_reg_pmaos failed, rc = %d" % rc
# Set admin status to PMAOS
pmaos.ase = 1
pmaos.ee = 1
pmaos.e = 2
pmaos.rst = 0
pmaos.ase = PMAOS_ASE
pmaos.ee = PMAOS_EE
pmaos.e = PMAOS_E
pmaos.rst = PMAOS_RST
if admin_status == SX_PORT_ADMIN_STATUS_DOWN:
pmaos.admin_status = 2
pmaos.admin_status = PMAOS_DISABLE
else:
pmaos.admin_status = 1
pmaos.admin_status = PMAOS_ENABLE
meta.access_cmd = SXD_ACCESS_CMD_SET
rc = sxd_access_reg_pmaos(pmaos, meta, 1, None, None)
rc = sxd_access_reg_pmaos(pmaos, meta, REGISTER_NUM, None, None)
assert rc == SXD_STATUS_SUCCESS, "sxd_access_reg_pmaos failed, rc = %d" % rc
def set_sfp_lpmode(sfp_module, lpm_enable):
# Get PMMP
pmmp = ku_pmmp_reg()
pmmp.module = sfp_module
meta = init_sx_meta_data()
meta.access_cmd = SXD_ACCESS_CMD_GET
rc = sxd_access_reg_pmmp(pmmp, meta, REGISTER_NUM, None, None)
assert rc == SXD_STATUS_SUCCESS, "sxd_access_reg_pmmp failed, rc = %d" % rc
# Set low power mode status
lpm_mask = 1 << 8
if lpm_enable:
pmmp.eeprom_override = pmmp.eeprom_override | lpm_mask
else:
pmmp.eeprom_override = pmmp.eeprom_override & (~lpm_mask)
meta.access_cmd = SXD_ACCESS_CMD_SET
rc = sxd_access_reg_pmmp(pmmp, meta, REGISTER_NUM, None, None)
assert rc == SXD_STATUS_SUCCESS, "sxd_access_reg_pmmp failed, rc = %d" % rc
# Check if SFP port number is provided
if len(sys.argv) < 3:
print "SFP module number or LPM is missed."
@ -67,41 +125,30 @@ if (rc != SX_STATUS_SUCCESS):
sys.exit(errno.EACCES)
pid = os.getpid()
rc = sxd_access_reg_init(pid, None, 0)
if (rc != 0):
rc = sxd_access_reg_init(pid, None, SXD_LOG_VERBOSITY_LEVEL)
if (rc != SXD_STATUS_SUCCESS):
print "Failed to initializing register access.\nPlease check that SDK is running."
sys.exit(errno.EACCES);
# Get SFP module and log ports number and LPM status
# Get SFP module
sfp_module = int(sys.argv[1])
log_port_list = get_log_ports(handle, sfp_module)
if not log_port_list:
print "Failed to get log ports"
sys.exit(errno.EACCES)
# Get PMMP
pmmp = ku_pmmp_reg()
pmmp.module = sfp_module
meta = sxd_reg_meta_t()
meta.dev_id = 1
meta.swid = 0
meta.access_cmd = SXD_ACCESS_CMD_GET
rc = sxd_access_reg_pmmp(pmmp, meta, 1, None, None)
assert rc == SXD_STATUS_SUCCESS, "sxd_access_reg_pmmp failed, rc = %d" % rc
# Get all ports at admin up status that related to the SFP module
log_port_list = get_log_ports(handle, sfp_module)
# SET SFP related ports to admin down status
for log_port in log_port_list:
set_port_admin_status_by_log_port(handle, log_port, SX_PORT_ADMIN_STATUS_DOWN)
# Disable admin status before LPM settings
set_sfp_admin_status(handle, meta, sfp_module, log_port_list, SX_PORT_ADMIN_STATUS_DOWN)
set_sfp_admin_status(sfp_module, SX_PORT_ADMIN_STATUS_DOWN)
# Set low power mode status
lpm_mask = 1 << 8
if lpm_enable:
pmmp.eeprom_override = pmmp.eeprom_override | lpm_mask
else:
pmmp.eeprom_override = pmmp.eeprom_override & (~lpm_mask)
meta.access_cmd = SXD_ACCESS_CMD_SET
rc = sxd_access_reg_pmmp(pmmp, meta, 1, None, None)
assert rc == SXD_STATUS_SUCCESS, "sxd_access_reg_pmmp failed, rc = %d" % rc
set_sfp_lpmode(sfp_module, lpm_enable)
# Enable admin status after LPM settings
set_sfp_admin_status(handle, meta, sfp_module, log_port_list, SX_PORT_ADMIN_STATUS_UP)
set_sfp_admin_status(sfp_module, SX_PORT_ADMIN_STATUS_UP)
# SET SFP related ports to admin up status
for log_port in log_port_list:
set_port_admin_status_by_log_port(handle, log_port, SX_PORT_ADMIN_STATUS_UP)

32
device/mellanox/x86_64-mlnx_msn2700-r0/plugins/sfputil.py
View File

@ -123,31 +123,9 @@ class SfpUtil(SfpUtilBase):
if curr_lpmode == lpmode:
return True
# Compose LPM command
lpm = 'on' if lpmode else 'off'
lpm_cmd = "docker exec syncd python /usr/share/sonic/platform/plugins/sfplpmset.py {} {}".format(port_num, lpm)
sfp_port_names = self.physical_to_logical[port_num]
# Get port admin status
try:
enabled_ports = subprocess.check_output("ip link show up", shell=True)
except subprocess.CalledProcessError as e:
print "Error! Unable to get ports status, err msg: {}".format(e.output)
return False
port_to_disable = []
for port in sfp_port_names:
if port in enabled_ports:
port_to_disable.append(port)
# Disable ports before LPM settings
for port in port_to_disable:
try:
subprocess.check_output("ifconfig {} down".format(port), shell=True)
except subprocess.CalledProcessError as e:
print "Error! Unable to set admin status to DOWN for {}, rc = {}, err msg: {}".format(port, e.returncode, e.output)
return False
time.sleep(3)
# Set LPM
try:
@ -156,14 +134,6 @@ class SfpUtil(SfpUtilBase):
print "Error! Unable to set LPM for {}, rc = {}, err msg: {}".format(port_num, e.returncode, e.output)
return False
# Enable ports after LPM settings
for port in port_to_disable:
try:
subprocess.check_output("ifconfig {} up".format(port), shell=True)
except subprocess.CalledProcessError as e:
print "Error! Unable to set admin status to UP for {}, rc = {}, err msg: {}".format(port, e.returncode, e.output)
return False
return True
def reset(self, port_num):