108 lines
3.4 KiB
Python
108 lines
3.4 KiB
Python
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#!/usr/bin/env python
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import sys, errno
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import time
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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.sx_api import *
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def get_log_ports(handle, sfp_module):
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port_attributes_list = new_sx_port_attributes_t_arr(64)
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port_cnt_p = new_uint32_t_p()
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uint32_t_p_assign(port_cnt_p, 64)
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rc = sx_api_port_device_get(handle, 1 , 0, 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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port_cnt = uint32_t_p_value(port_cnt_p)
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log_port_list = []
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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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if port_attributes.port_mapping.module_port == sfp_module:
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log_port_list.append(port_attributes.log_port)
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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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# Get PMAOS
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pmaos = ku_pmaos_reg()
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pmaos.module = sfp_module
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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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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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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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if admin_status == SX_PORT_ADMIN_STATUS_DOWN:
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pmaos.admin_status = 2
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else:
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pmaos.admin_status = 1
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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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assert rc == SXD_STATUS_SUCCESS, "sxd_access_reg_pmaos failed, rc = %d" % rc
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# Check if SFP port number is provided
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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 "Usage: sfplpmset.py <SFP module> <on|off>"
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sys.exit(errno.EINVAL)
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lpm_enable = None
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if sys.argv[2] == 'on':
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lpm_enable = True
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elif sys.argv[2] == 'off':
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lpm_enable = False
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else:
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print "Unrecognized LPM parameter. Please use <on> or <off> values"
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sys.exit(errno.EINVAL)
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# Init SDK API
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rc, handle = sx_api_open(None)
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if (rc != SX_STATUS_SUCCESS):
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print "Failed to open api handle.\nPlease check that SDK is running."
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sys.exit(errno.EACCES)
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pid = os.getpid()
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rc = sxd_access_reg_init(pid, None, 0)
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if (rc != 0):
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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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# Get SFP module and log ports number and LPM status
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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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pmmp = ku_pmmp_reg()
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pmmp.module = sfp_module
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meta = sxd_reg_meta_t()
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meta.dev_id = 1
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meta.swid = 0
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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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set_sfp_admin_status(handle, meta, sfp_module, log_port_list, SX_PORT_ADMIN_STATUS_DOWN)
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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, 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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set_sfp_admin_status(handle, meta, sfp_module, log_port_list, SX_PORT_ADMIN_STATUS_UP)
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