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1. sW DIAG_UTIL_PARAM_ERR_CHK((NULL == max_count_ptr), RT_ERR_NULL_POINTER)
   API
  
  ureturn error ]|Xerror code
  
  
  bdiag_xxx.c n RT_PARAM_CHK
  Ч DIAG_UTIL_PARAM_ERR_CHK oˤ~|Xerror, קKuser J~oDoͤ
   
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2. add dsl port list and ext port list

DIAG_UTIL_EXTRACT_DSLLIST   --> for DSL port list
DIAG_UTIL_EXTRACT_EXTLIST   --> for extension port list

command  YOnget DSL port  all list Х dsl_all  key word

command  YOnget extension port  all list Х ext_all  key word



command example

//port list test
//mac port
//mac port list <0-6>
//all port list
//dsl port 
//dsl port list <0-15>
//all dsl port list
//extension port 
//extension port list <1-5>
//all extension port list
port_test mac ( <PORT_LIST:port> | all ) dsl ( <PORT_LIST:port> | dsl_all ) ext ( <PORT_LIST:port> | ext_all )


DIAG_UTIL_ERR_CHK(DIAG_UTIL_EXTRACT_DSLLIST(portlist, 4), ret); 

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3. ק diag_util_extract_portlist API
   YJport list WXd |return error, ק令|return error 

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