smt_received_pack
void smt_received_pack(struct s_smc *smc, SMbuf *mb, int fs);
smt_received_pack(smc,mb,(int)(rfsw>>25)) ;
smt_received_pack(smc,mb,(int)(rfsw>>25)) ;
smt_received_pack(smc,smc->os.hwm.tx_mb,