[Mellanox sfputil ] fix lpmode set failure on Mellanox platform (#2408)
* fix set lpmode failure issue * fix review comments
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@ -1,17 +1,47 @@
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#!/usr/bin/env python
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#!/usr/bin/env python
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import sys, errno
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import sys, errno
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import time
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import os
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import os
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from python_sdk_api.sxd_api import *
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from python_sdk_api.sxd_api import *
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from python_sdk_api.sx_api import *
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from python_sdk_api.sx_api import *
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def get_log_ports(handle, sfp_module):
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REGISTER_NUM = 1
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port_attributes_list = new_sx_port_attributes_t_arr(64)
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SXD_LOG_VERBOSITY_LEVEL = 0
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port_cnt_p = new_uint32_t_p()
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DEVICE_ID = 1
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uint32_t_p_assign(port_cnt_p, 64)
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SWITCH_ID = 0
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SX_PORT_ATTR_ARR_SIZE = 64
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rc = sx_api_port_device_get(handle, 1 , 0, port_attributes_list, port_cnt_p)
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PMAOS_ASE = 1
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PMAOS_EE = 1
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PMAOS_E = 2
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PMAOS_RST = 0
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PMAOS_ENABLE = 1
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PMAOS_DISABLE = 2
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def get_port_admin_status_by_log_port(log_port):
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oper_state_p = new_sx_port_oper_state_t_p()
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admin_state_p = new_sx_port_admin_state_t_p()
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module_state_p = new_sx_port_module_state_t_p()
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rc = sx_api_port_state_get(handle, log_port, oper_state_p, admin_state_p, module_state_p)
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assert rc == SXD_STATUS_SUCCESS, "sx_api_port_state_get failed, rc = %d" % rc
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admin_state = sx_port_admin_state_t_p_value(admin_state_p)
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if admin_state == SX_PORT_ADMIN_STATUS_UP:
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return True
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else:
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return False
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def set_port_admin_status_by_log_port(handle, log_port, admin_status):
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rc = sx_api_port_state_set(handle, log_port, admin_status)
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assert rc == SX_STATUS_SUCCESS, "sx_api_port_state_set failed, rc = %d" % rc
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# Get all the ports related to the sfp, if port admin status is up, put it to list
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def get_log_ports(handle, sfp_module):
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port_attributes_list = new_sx_port_attributes_t_arr(SX_PORT_ATTR_ARR_SIZE)
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port_cnt_p = new_uint32_t_p()
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uint32_t_p_assign(port_cnt_p, SX_PORT_ATTR_ARR_SIZE)
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rc = sx_api_port_device_get(handle, DEVICE_ID , SWITCH_ID, port_attributes_list, port_cnt_p)
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assert rc == SX_STATUS_SUCCESS, "sx_api_port_device_get failed, rc = %d" % rc
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assert rc == SX_STATUS_SUCCESS, "sx_api_port_device_get failed, rc = %d" % rc
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port_cnt = uint32_t_p_value(port_cnt_p)
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port_cnt = uint32_t_p_value(port_cnt_p)
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@ -19,32 +49,60 @@ def get_log_ports(handle, sfp_module):
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for i in range(0, port_cnt):
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for i in range(0, port_cnt):
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port_attributes = sx_port_attributes_t_arr_getitem(port_attributes_list, i)
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port_attributes = sx_port_attributes_t_arr_getitem(port_attributes_list, i)
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if port_attributes.port_mapping.module_port == sfp_module:
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if port_attributes.port_mapping.module_port == sfp_module:
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if get_port_admin_status_by_log_port(port_attributes.log_port):
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log_port_list.append(port_attributes.log_port)
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log_port_list.append(port_attributes.log_port)
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return log_port_list
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return log_port_list
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def set_sfp_admin_status(handle, meta, sfp_module, sfp_log_port_list, admin_status):
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def init_sx_meta_data():
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meta = sxd_reg_meta_t()
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meta.dev_id = DEVICE_ID
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meta.swid = SWITCH_ID
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return meta
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def set_sfp_admin_status(sfp_module, admin_status):
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# Get PMAOS
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# Get PMAOS
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pmaos = ku_pmaos_reg()
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pmaos = ku_pmaos_reg()
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pmaos.module = sfp_module
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pmaos.module = sfp_module
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meta = init_sx_meta_data()
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meta.access_cmd = SXD_ACCESS_CMD_GET
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meta.access_cmd = SXD_ACCESS_CMD_GET
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rc = sxd_access_reg_pmaos(pmaos, meta, 1, None, None)
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rc = sxd_access_reg_pmaos(pmaos, meta, REGISTER_NUM, None, None)
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assert rc == SXD_STATUS_SUCCESS, "sxd_access_reg_pmaos failed, rc = %d" % rc
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assert rc == SXD_STATUS_SUCCESS, "sxd_access_reg_pmaos failed, rc = %d" % rc
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# Set admin status to PMAOS
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# Set admin status to PMAOS
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pmaos.ase = 1
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pmaos.ase = PMAOS_ASE
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pmaos.ee = 1
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pmaos.ee = PMAOS_EE
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pmaos.e = 2
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pmaos.e = PMAOS_E
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pmaos.rst = 0
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pmaos.rst = PMAOS_RST
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if admin_status == SX_PORT_ADMIN_STATUS_DOWN:
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if admin_status == SX_PORT_ADMIN_STATUS_DOWN:
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pmaos.admin_status = 2
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pmaos.admin_status = PMAOS_DISABLE
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else:
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else:
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pmaos.admin_status = 1
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pmaos.admin_status = PMAOS_ENABLE
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meta.access_cmd = SXD_ACCESS_CMD_SET
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meta.access_cmd = SXD_ACCESS_CMD_SET
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rc = sxd_access_reg_pmaos(pmaos, meta, 1, None, None)
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rc = sxd_access_reg_pmaos(pmaos, meta, REGISTER_NUM, None, None)
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assert rc == SXD_STATUS_SUCCESS, "sxd_access_reg_pmaos failed, rc = %d" % rc
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assert rc == SXD_STATUS_SUCCESS, "sxd_access_reg_pmaos failed, rc = %d" % rc
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def set_sfp_lpmode(sfp_module, lpm_enable):
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# Get PMMP
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pmmp = ku_pmmp_reg()
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pmmp.module = sfp_module
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meta = init_sx_meta_data()
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meta.access_cmd = SXD_ACCESS_CMD_GET
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rc = sxd_access_reg_pmmp(pmmp, meta, REGISTER_NUM, None, None)
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assert rc == SXD_STATUS_SUCCESS, "sxd_access_reg_pmmp failed, rc = %d" % rc
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# Set low power mode status
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lpm_mask = 1 << 8
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if lpm_enable:
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pmmp.eeprom_override = pmmp.eeprom_override | lpm_mask
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else:
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pmmp.eeprom_override = pmmp.eeprom_override & (~lpm_mask)
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meta.access_cmd = SXD_ACCESS_CMD_SET
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rc = sxd_access_reg_pmmp(pmmp, meta, REGISTER_NUM, None, None)
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assert rc == SXD_STATUS_SUCCESS, "sxd_access_reg_pmmp failed, rc = %d" % rc
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# Check if SFP port number is provided
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# Check if SFP port number is provided
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if len(sys.argv) < 3:
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if len(sys.argv) < 3:
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print "SFP module number or LPM is missed."
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print "SFP module number or LPM is missed."
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@ -67,41 +125,30 @@ if (rc != SX_STATUS_SUCCESS):
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sys.exit(errno.EACCES)
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sys.exit(errno.EACCES)
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pid = os.getpid()
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pid = os.getpid()
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rc = sxd_access_reg_init(pid, None, 0)
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rc = sxd_access_reg_init(pid, None, SXD_LOG_VERBOSITY_LEVEL)
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if (rc != 0):
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if (rc != SXD_STATUS_SUCCESS):
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print "Failed to initializing register access.\nPlease check that SDK is running."
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print "Failed to initializing register access.\nPlease check that SDK is running."
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sys.exit(errno.EACCES);
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sys.exit(errno.EACCES);
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# Get SFP module and log ports number and LPM status
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# Get SFP module
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sfp_module = int(sys.argv[1])
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sfp_module = int(sys.argv[1])
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log_port_list = get_log_ports(handle, sfp_module)
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if not log_port_list:
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print "Failed to get log ports"
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sys.exit(errno.EACCES)
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# Get PMMP
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# Get all ports at admin up status that related to the SFP module
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pmmp = ku_pmmp_reg()
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log_port_list = get_log_ports(handle, sfp_module)
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pmmp.module = sfp_module
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meta = sxd_reg_meta_t()
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# SET SFP related ports to admin down status
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meta.dev_id = 1
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for log_port in log_port_list:
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meta.swid = 0
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set_port_admin_status_by_log_port(handle, log_port, SX_PORT_ADMIN_STATUS_DOWN)
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meta.access_cmd = SXD_ACCESS_CMD_GET
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rc = sxd_access_reg_pmmp(pmmp, meta, 1, None, None)
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assert rc == SXD_STATUS_SUCCESS, "sxd_access_reg_pmmp failed, rc = %d" % rc
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# Disable admin status before LPM settings
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# Disable admin status before LPM settings
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set_sfp_admin_status(handle, meta, sfp_module, log_port_list, SX_PORT_ADMIN_STATUS_DOWN)
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set_sfp_admin_status(sfp_module, SX_PORT_ADMIN_STATUS_DOWN)
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# Set low power mode status
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# Set low power mode status
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lpm_mask = 1 << 8
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set_sfp_lpmode(sfp_module, lpm_enable)
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if lpm_enable:
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pmmp.eeprom_override = pmmp.eeprom_override | lpm_mask
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else:
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pmmp.eeprom_override = pmmp.eeprom_override & (~lpm_mask)
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meta.access_cmd = SXD_ACCESS_CMD_SET
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rc = sxd_access_reg_pmmp(pmmp, meta, 1, None, None)
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assert rc == SXD_STATUS_SUCCESS, "sxd_access_reg_pmmp failed, rc = %d" % rc
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# Enable admin status after LPM settings
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# Enable admin status after LPM settings
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set_sfp_admin_status(handle, meta, sfp_module, log_port_list, SX_PORT_ADMIN_STATUS_UP)
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set_sfp_admin_status(sfp_module, SX_PORT_ADMIN_STATUS_UP)
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# SET SFP related ports to admin up status
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for log_port in log_port_list:
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set_port_admin_status_by_log_port(handle, log_port, SX_PORT_ADMIN_STATUS_UP)
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@ -123,31 +123,9 @@ class SfpUtil(SfpUtilBase):
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if curr_lpmode == lpmode:
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if curr_lpmode == lpmode:
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return True
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return True
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# Compose LPM command
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lpm = 'on' if lpmode else 'off'
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lpm = 'on' if lpmode else 'off'
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lpm_cmd = "docker exec syncd python /usr/share/sonic/platform/plugins/sfplpmset.py {} {}".format(port_num, lpm)
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lpm_cmd = "docker exec syncd python /usr/share/sonic/platform/plugins/sfplpmset.py {} {}".format(port_num, lpm)
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sfp_port_names = self.physical_to_logical[port_num]
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# Get port admin status
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try:
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enabled_ports = subprocess.check_output("ip link show up", shell=True)
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except subprocess.CalledProcessError as e:
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print "Error! Unable to get ports status, err msg: {}".format(e.output)
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return False
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port_to_disable = []
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for port in sfp_port_names:
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if port in enabled_ports:
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port_to_disable.append(port)
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# Disable ports before LPM settings
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for port in port_to_disable:
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try:
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subprocess.check_output("ifconfig {} down".format(port), shell=True)
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except subprocess.CalledProcessError as e:
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print "Error! Unable to set admin status to DOWN for {}, rc = {}, err msg: {}".format(port, e.returncode, e.output)
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return False
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time.sleep(3)
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# Set LPM
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# Set LPM
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try:
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try:
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@ -156,14 +134,6 @@ class SfpUtil(SfpUtilBase):
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print "Error! Unable to set LPM for {}, rc = {}, err msg: {}".format(port_num, e.returncode, e.output)
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print "Error! Unable to set LPM for {}, rc = {}, err msg: {}".format(port_num, e.returncode, e.output)
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return False
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return False
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# Enable ports after LPM settings
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for port in port_to_disable:
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try:
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subprocess.check_output("ifconfig {} up".format(port), shell=True)
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except subprocess.CalledProcessError as e:
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print "Error! Unable to set admin status to UP for {}, rc = {}, err msg: {}".format(port, e.returncode, e.output)
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return False
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return True
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return True
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def reset(self, port_num):
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def reset(self, port_num):
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