/* get MAC's input Port return : PA or PB  */
int cfm_get_mac_input(struct s_smc *smc)
/* get MAC's input Port return : PA or PB  */
int cfm_get_mac_input(struct s_smc *smc)
{
	return((smc->mib.fddiSMTCF_State == SC10_C_WRAP_B ||
		smc->mib.fddiSMTCF_State == SC5_THRU_B) ? PB : PA) ;
}