78 static void queue_llc_rx(struct s_smc *smc, SMbuf *mb);
79 static void smt_to_llc(struct s_smc *smc, SMbuf *mb);
80 static void init_txd_ring(struct s_smc *smc);
81 static void init_rxd_ring(struct s_smc *smc);
82 static void queue_txd_mb(struct s_smc *smc, SMbuf *mb);
83 static u_long init_descr_ring(struct s_smc *smc, union s_fp_descr volatile *start,
85 static u_long repair_txd_ring(struct s_smc *smc, struct s_smt_tx_queue *queue);
86 static u_long repair_rxd_ring(struct s_smc *smc, struct s_smt_rx_queue *queue);
87 static SMbuf* get_llc_rx(struct s_smc *smc);
88 static SMbuf* get_txd_mb(struct s_smc *smc);
89 static void mac_drv_clear_txd(struct s_smc *smc);
98 extern void* mac_drv_get_space(struct s_smc *smc, unsigned int size);
99 extern void* mac_drv_get_desc_mem(struct s_smc *smc, unsigned int size);
100 extern void mac_drv_fill_rxd(struct s_smc *smc);
101 extern void mac_drv_tx_complete(struct s_smc *smc,
103 extern void mac_drv_rx_complete(struct s_smc *smc,
106 extern void mac_drv_requeue_rxd(struct s_smc *smc, 
109 extern void mac_drv_clear_rxd(struct s_smc *smc,
121 extern u_long mac_drv_virt2phys(struct s_smc *smc, void *virt);
122 extern u_long dma_master(struct s_smc *smc, void *virt, int len, int flag);
127 extern void dma_complete(struct s_smc *smc, volatile union s_fp_descr *descr,
131 extern int mac_drv_rx_init(struct s_smc *smc, int len, int fc, char *look_ahead,
139 void process_receive(struct s_smc *smc);
140 void fddi_isr(struct s_smc *smc);
141 void smt_free_mbuf(struct s_smc *smc, SMbuf *mb);
142 void init_driver_fplus(struct s_smc *smc);
143 void mac_drv_rx_mode(struct s_smc *smc, int mode);
144 void init_fddi_driver(struct s_smc *smc, u_char *mac_addr);
145 void mac_drv_clear_tx_queue(struct s_smc *smc);
146 void mac_drv_clear_rx_queue(struct s_smc *smc);
147 void hwm_tx_frag(struct s_smc *smc, char far *virt, u_long phys, int len,
149 void hwm_rx_frag(struct s_smc *smc, char far *virt, u_long phys, int len,
152 int mac_drv_init(struct s_smc *smc);
153 int hwm_tx_init(struct s_smc *smc, u_char fc, int frag_count, int frame_len,
158 SMbuf* smt_get_mbuf(struct s_smc *smc);
178 #define MA		smc->hw.fddi_canon_addr.a
181 #define	MA		smc->hw.fddi_home_addr.a
259 int mac_drv_init(struct s_smc *smc)  in mac_drv_init()  argument
262 		SMT_PANIC(smc,HWM_E0001,HWM_E0001_MSG) ;  in mac_drv_init()
265 		SMT_PANIC(smc,HWM_E0002,HWM_E0002_MSG) ;  in mac_drv_init()
271 	if (!(smc->os.hwm.descr_p = (union s_fp_descr volatile *)  in mac_drv_init()
272 		mac_drv_get_desc_mem(smc,(u_int)  in mac_drv_init()
281 	smc->os.hwm.mbuf_pool.mb_start=(SMbuf *)(&smc->os.hwm.mbuf_pool.mb[0]) ;  in mac_drv_init()
284 	if (!(smc->os.hwm.mbuf_pool.mb_start = (SMbuf *) mac_drv_get_space(smc,  in mac_drv_init()
290 		if (!(mb_start = (SMbuf *) mac_drv_get_space(smc,  in mac_drv_init()
309 void init_driver_fplus(struct s_smc *smc)  in init_driver_fplus()  argument
311 	smc->hw.fp.mdr2init = FM_LSB | FM_BMMODE | FM_ENNPRQ | FM_ENHSRQ | 3 ;  in init_driver_fplus()
314 	smc->hw.fp.mdr2init |= FM_CHKPAR | FM_PARITY ;  in init_driver_fplus()
316 	smc->hw.fp.mdr3init = FM_MENRQAUNLCK | FM_MENRS ;  in init_driver_fplus()
320 	smc->hw.fp.frselreg_init = FM_ENXMTADSWAP | FM_ENRCVADSWAP ;  in init_driver_fplus()
324 static u_long init_descr_ring(struct s_smc *smc,  in init_descr_ring()  argument
339 		phys = mac_drv_virt2phys(smc,(void *)d1) ;  in init_descr_ring()
345 	phys = mac_drv_virt2phys(smc,(void *)start) ;  in init_descr_ring()
355 static void init_txd_ring(struct s_smc *smc)  in init_txd_ring()  argument
364 	ds = (struct s_smt_fp_txd volatile *) ((char *)smc->os.hwm.descr_p +  in init_txd_ring()
366 	queue = smc->hw.fp.tx[QUEUE_A0] ;  in init_txd_ring()
368 	(void)init_descr_ring(smc,(union s_fp_descr volatile *)ds,  in init_txd_ring()
380 	queue = smc->hw.fp.tx[QUEUE_S] ;  in init_txd_ring()
382 	(void)init_descr_ring(smc,(union s_fp_descr volatile *)ds,  in init_txd_ring()
392 static void init_rxd_ring(struct s_smc *smc)  in init_rxd_ring()  argument
401 	ds = (struct s_smt_fp_rxd volatile *) smc->os.hwm.descr_p ;  in init_rxd_ring()
402 	queue = smc->hw.fp.rx[QUEUE_R1] ;  in init_rxd_ring()
404 	(void)init_descr_ring(smc,(union s_fp_descr volatile *)ds,  in init_rxd_ring()
422 void init_fddi_driver(struct s_smc *smc, u_char *mac_addr)  in init_fddi_driver()  argument
427 	init_board(smc,mac_addr) ;  in init_fddi_driver()
428 	(void)init_fplus(smc) ;  in init_fddi_driver()
434 	mb = smc->os.hwm.mbuf_pool.mb_start ;  in init_fddi_driver()
435 	smc->os.hwm.mbuf_pool.mb_free = (SMbuf *)NULL ;  in init_fddi_driver()
438 		smt_free_mbuf(smc,mb)	;  in init_fddi_driver()
447 			smt_free_mbuf(smc,mb)	;  in init_fddi_driver()
457 	smc->os.hwm.llc_rx_pipe = smc->os.hwm.llc_rx_tail = (SMbuf *)NULL ;  in init_fddi_driver()
458 	smc->os.hwm.txd_tx_pipe = smc->os.hwm.txd_tx_tail = NULL ;  in init_fddi_driver()
459 	smc->os.hwm.pass_SMT = smc->os.hwm.pass_NSA = smc->os.hwm.pass_DB = 0 ;  in init_fddi_driver()
460 	smc->os.hwm.pass_llc_promisc = TRUE ;  in init_fddi_driver()
461 	smc->os.hwm.queued_rx_frames = smc->os.hwm.queued_txd_mb = 0 ;  in init_fddi_driver()
462 	smc->os.hwm.detec_count = 0 ;  in init_fddi_driver()
463 	smc->os.hwm.rx_break = 0 ;  in init_fddi_driver()
464 	smc->os.hwm.rx_len_error = 0 ;  in init_fddi_driver()
465 	smc->os.hwm.isr_flag = FALSE ;  in init_fddi_driver()
470 	i = 16 - ((long)smc->os.hwm.descr_p & 0xf) ;  in init_fddi_driver()
473 		smc->os.hwm.descr_p = (union s_fp_descr volatile *)  in init_fddi_driver()
474 			((char *)smc->os.hwm.descr_p+i) ;  in init_fddi_driver()
476 	DB_GEN("pt to descr area = %x",(void *)smc->os.hwm.descr_p,0,3) ;  in init_fddi_driver()
478 	init_txd_ring(smc) ;  in init_fddi_driver()
479 	init_rxd_ring(smc) ;  in init_fddi_driver()
480 	mac_drv_fill_rxd(smc) ;  in init_fddi_driver()
482 	init_plc(smc) ;  in init_fddi_driver()
486 SMbuf *smt_get_mbuf(struct s_smc *smc)  in smt_get_mbuf()  argument
491 	mb = smc->os.hwm.mbuf_pool.mb_free ;  in smt_get_mbuf()
497 		smc->os.hwm.mbuf_pool.mb_free = mb->sm_next ;  in smt_get_mbuf()
508 void smt_free_mbuf(struct s_smc *smc, SMbuf *mb)  in smt_free_mbuf()  argument
522 			mb->sm_next = smc->os.hwm.mbuf_pool.mb_free ;  in smt_free_mbuf()
523 			smc->os.hwm.mbuf_pool.mb_free = mb ;  in smt_free_mbuf()
531 		SMT_PANIC(smc,HWM_E0003,HWM_E0003_MSG) ;  in smt_free_mbuf()
554 void mac_drv_repair_descr(struct s_smc *smc)  in mac_drv_repair_descr()  argument
558 	if (smc->hw.hw_state != STOPPED) {  in mac_drv_repair_descr()
560 		SMT_PANIC(smc,HWM_E0013,HWM_E0013_MSG) ;  in mac_drv_repair_descr()
567 	phys = repair_txd_ring(smc,smc->hw.fp.tx[QUEUE_A0]) ;  in mac_drv_repair_descr()
569 	if (smc->hw.fp.tx_q[QUEUE_A0].tx_used) {  in mac_drv_repair_descr()
572 	phys = repair_txd_ring(smc,smc->hw.fp.tx[QUEUE_S]) ;  in mac_drv_repair_descr()
574 	if (smc->hw.fp.tx_q[QUEUE_S].tx_used) {  in mac_drv_repair_descr()
581 	phys = repair_rxd_ring(smc,smc->hw.fp.rx[QUEUE_R1]) ;  in mac_drv_repair_descr()
586 static u_long repair_txd_ring(struct s_smc *smc, struct s_smt_tx_queue *queue)  in repair_txd_ring()  argument
594 	SK_UNUSED(smc) ;  in repair_txd_ring()
638 static u_long repair_rxd_ring(struct s_smc *smc, struct s_smt_rx_queue *queue)  in repair_rxd_ring()  argument
646 	SK_UNUSED(smc) ;  in repair_rxd_ring()
709 void fddi_isr(struct s_smc *smc)  in fddi_isr()  argument
720 	if (smc->os.hwm.rx_break) {  in fddi_isr()
721 		mac_drv_fill_rxd(smc) ;  in fddi_isr()
722 		if (smc->hw.fp.rx_q[QUEUE_R1].rx_used > 0) {  in fddi_isr()
723 			smc->os.hwm.rx_break = 0 ;  in fddi_isr()
724 			process_receive(smc) ;  in fddi_isr()
727 			smc->os.hwm.detec_count = 0 ;  in fddi_isr()
728 			smt_force_irq(smc) ;  in fddi_isr()
732 	smc->os.hwm.isr_flag = TRUE ;  in fddi_isr()
736 	if (smc->os.hwm.leave_isr) {  in fddi_isr()
737 		smc->os.hwm.leave_isr = FALSE ;  in fddi_isr()
738 		process_receive(smc) ;  in fddi_isr()
749 				plc1_irq(smc) ;  in fddi_isr()
752 				plc2_irq(smc) ;  in fddi_isr()
758 				mac1_irq(smc,stu,stl) ;  in fddi_isr()
765 				mac2_irq(smc,stu,stl) ;  in fddi_isr()
771 				mac3_irq(smc,stu,stl) ;  in fddi_isr()
774 				timer_irq(smc) ;  in fddi_isr()
781 				if (++smc->os.hwm.detec_count > 4) {  in fddi_isr()
785 					 process_receive(smc) ;  in fddi_isr()
789 				rtm_irq(smc) ;  in fddi_isr()
794 				SMT_PANIC(smc,HWM_E0004,HWM_E0004_MSG) ;  in fddi_isr()
799 				SMT_PANIC(smc,HWM_E0005,HWM_E0005_MSG) ;  in fddi_isr()
804 				SMT_PANIC(smc,HWM_E0006,HWM_E0006_MSG) ;  in fddi_isr()
809 				SMT_PANIC(smc,HWM_E0007,HWM_E0007_MSG) ;  in fddi_isr()
824 			mac_drv_clear_txd(smc) ;  in fddi_isr()
825 			llc_restart_tx(smc) ;  in fddi_isr()
836 			process_receive(smc) ;  in fddi_isr()
838 			process_receive(smc) ;  in fddi_isr()
839 			if (smc->os.hwm.leave_isr) {  in fddi_isr()
843 				process_receive(smc) ;  in fddi_isr()
849 		while ((mb = get_llc_rx(smc))) {  in fddi_isr()
850 			smt_to_llc(smc,mb) ;  in fddi_isr()
856 		while (!offDepth && (mb = get_llc_rx(smc))) {  in fddi_isr()
857 			smt_to_llc(smc,mb) ;  in fddi_isr()
860 		if (!offDepth && smc->os.hwm.rx_break) {  in fddi_isr()
861 			process_receive(smc) ;  in fddi_isr()
864 		if (smc->q.ev_get != smc->q.ev_put) {  in fddi_isr()
866 			ev_dispatcher(smc) ;  in fddi_isr()
875 		if (smc->os.hwm.leave_isr) {  in fddi_isr()
884 	if (smc->os.hwm.leave_isr && force_irq) {  in fddi_isr()
885 		smt_force_irq(smc) ;  in fddi_isr()
888 	smc->os.hwm.isr_flag = FALSE ;  in fddi_isr()
992 void mac_drv_rx_mode(struct s_smc *smc, int mode)  in mac_drv_rx_mode()  argument
996 		smc->os.hwm.pass_SMT = TRUE ;  in mac_drv_rx_mode()
999 		smc->os.hwm.pass_SMT = FALSE ;  in mac_drv_rx_mode()
1002 		smc->os.hwm.pass_NSA = TRUE ;  in mac_drv_rx_mode()
1005 		smc->os.hwm.pass_NSA = FALSE ;  in mac_drv_rx_mode()
1008 		smc->os.hwm.pass_DB = TRUE ;  in mac_drv_rx_mode()
1011 		smc->os.hwm.pass_DB = FALSE ;  in mac_drv_rx_mode()
1014 		smc->os.hwm.pass_SMT = smc->os.hwm.pass_NSA = FALSE ;  in mac_drv_rx_mode()
1015 		smc->os.hwm.pass_DB = FALSE ;  in mac_drv_rx_mode()
1016 		smc->os.hwm.pass_llc_promisc = TRUE ;  in mac_drv_rx_mode()
1017 		mac_set_rx_mode(smc,RX_DISABLE_NSA) ;  in mac_drv_rx_mode()
1020 		smc->os.hwm.pass_llc_promisc = FALSE ;  in mac_drv_rx_mode()
1023 		smc->os.hwm.pass_llc_promisc = TRUE ;  in mac_drv_rx_mode()
1032 		mac_set_rx_mode(smc,mode) ;  in mac_drv_rx_mode()
1041 void process_receive(struct s_smc *smc)  in process_receive()  argument
1059 	smc->os.hwm.detec_count = 0 ;  in process_receive()
1060 	queue = smc->hw.fp.rx[QUEUE_R1] ;  in process_receive()
1068 		if (smc->os.hwm.leave_isr) {  in process_receive()
1074 			smc->os.hwm.rx_break = 1 ;  in process_receive()
1077 		smc->os.hwm.rx_break = 0 ;  in process_receive()
1080 		if (smc->os.hwm.rx_break) {  in process_receive()
1100 				SMT_PANIC(smc,HWM_E0009,HWM_E0009_MSG) ;  in process_receive()
1104 				smc->hw.hw_state = STOPPED ;  in process_receive()
1105 				mac_drv_clear_rx_queue(smc) ;  in process_receive()
1106 				smc->hw.hw_state = STARTED ;  in process_receive()
1107 				mac_drv_fill_rxd(smc) ;  in process_receive()
1108 				smc->os.hwm.detec_count = 0 ;  in process_receive()
1168 			dma_complete(smc,(union s_fp_descr volatile *)r,DMA_WR);  in process_receive()
1170 		smc->hw.fp.err_stats.err_valid++ ;  in process_receive()
1171 		smc->mib.m[MAC0].fddiMACCopied_Ct++ ;  in process_receive()
1183 				smc->hw.fp.err_stats.err_abort++ ;  in process_receive()
1190 				smc->hw.fp.err_stats.err_e_indicator++ ;  in process_receive()
1194 				smc->hw.fp.err_stats.err_crc++ ;  in process_receive()
1198 				smc->hw.fp.err_stats.err_imp_frame++ ;  in process_receive()
1204 			smc->hw.fp.err_stats.err_too_long++ ;  in process_receive()
1218 			smc->os.hwm.rx_len_error++ ;  in process_receive()
1245 			if (!smc->os.hwm.pass_llc_promisc) {  in process_receive()
1263 			mac_drv_rx_complete(smc,rxd,frag_count,len) ;  in process_receive()
1266 			if (!(mb = smt_get_mbuf(smc))) {  in process_receive()
1267 				smc->hw.fp.err_stats.err_no_buf++ ;  in process_receive()
1296 				smc->hw.fp.err_stats.err_smt_frame++ ;  in process_receive()
1299 				if (smc->os.hwm.pass_SMT) {  in process_receive()
1301 					mac_drv_rx_complete(smc, rxd,  in process_receive()
1306 					mac_drv_requeue_rxd(smc,rxd,frag_count);  in process_receive()
1309 				smt_received_pack(smc,mb,(int)(rfsw>>25)) ;  in process_receive()
1312 				smc->hw.fp.err_stats.err_smt_frame++ ;  in process_receive()
1318 				if (smc->os.hwm.pass_NSA ||  in process_receive()
1319 					(smc->os.hwm.pass_SMT &&  in process_receive()
1322 					mac_drv_rx_complete(smc, rxd,  in process_receive()
1327 					mac_drv_requeue_rxd(smc,rxd,frag_count);  in process_receive()
1330 				smt_received_pack(smc,mb,(int)(rfsw>>25)) ;  in process_receive()
1333 				if (smc->os.hwm.pass_DB) {  in process_receive()
1335 					mac_drv_rx_complete(smc, rxd,  in process_receive()
1340 					mac_drv_requeue_rxd(smc,rxd,frag_count);  in process_receive()
1342 				smt_free_mbuf(smc,mb) ;  in process_receive()
1349 				smt_free_mbuf(smc,mb) ;  in process_receive()
1351 				mac_drv_requeue_rxd(smc,rxd,frag_count) ;  in process_receive()
1353 					smc->hw.fp.err_stats.err_mac_frame++ ;  in process_receive()
1355 					smc->hw.fp.err_stats.err_imp_frame++ ;  in process_receive()
1368 		mac_drv_requeue_rxd(smc,rxd,frag_count) ;  in process_receive()
1375 	mac_drv_all_receives_complete(smc) ;  in process_receive()
1380 static void smt_to_llc(struct s_smc *smc, SMbuf *mb)  in smt_to_llc()  argument
1385 	smc->os.hwm.r.len = mb->sm_len ;  in smt_to_llc()
1386 	smc->os.hwm.r.mb_pos = smtod(mb,char *) ;  in smt_to_llc()
1387 	fc = *smc->os.hwm.r.mb_pos ;  in smt_to_llc()
1388 	(void)mac_drv_rx_init(smc,(int)mb->sm_len,(int)fc,  in smt_to_llc()
1389 		smc->os.hwm.r.mb_pos,(int)mb->sm_len) ;  in smt_to_llc()
1390 	smt_free_mbuf(smc,mb) ;  in smt_to_llc()
1415 void hwm_rx_frag(struct s_smc *smc, char far *virt, u_long phys, int len,  in hwm_rx_frag()  argument
1423 	r = smc->hw.fp.rx_q[QUEUE_R1].rx_curr_put ;  in hwm_rx_frag()
1434 	smc->hw.fp.rx_q[QUEUE_R1].rx_free-- ;  in hwm_rx_frag()
1435 	smc->hw.fp.rx_q[QUEUE_R1].rx_used++ ;  in hwm_rx_frag()
1436 	smc->hw.fp.rx_q[QUEUE_R1].rx_curr_put = r->rxd_next ;  in hwm_rx_frag()
1463 void mac_drv_clear_rx_queue(struct s_smc *smc)  in mac_drv_clear_rx_queue()  argument
1471 	if (smc->hw.hw_state != STOPPED) {  in mac_drv_clear_rx_queue()
1473 		SMT_PANIC(smc,HWM_E0012,HWM_E0012_MSG) ;  in mac_drv_clear_rx_queue()
1477 	queue = smc->hw.fp.rx[QUEUE_R1] ;  in mac_drv_clear_rx_queue()
1506 			dma_complete(smc,(union s_fp_descr volatile *)r,DMA_WR);  in mac_drv_clear_rx_queue()
1511 		mac_drv_clear_rxd(smc,queue->rx_curr_get,frag_count) ;  in mac_drv_clear_rx_queue()
1550 int hwm_tx_init(struct s_smc *smc, u_char fc, int frag_count, int frame_len,  in hwm_tx_init()  argument
1554 	smc->os.hwm.tx_p = smc->hw.fp.tx[frame_status & QUEUE_A0] ;  in hwm_tx_init()
1555 	smc->os.hwm.tx_descr = TX_DESCRIPTOR | (((u_long)(frame_len-1)&3)<<27) ;  in hwm_tx_init()
1556 	smc->os.hwm.tx_len = frame_len ;  in hwm_tx_init()
1574 			SMT_PANIC(smc,HWM_E0010,HWM_E0010_MSG) ;  in hwm_tx_init()
1577 	if (!smc->hw.mac_ring_is_up) {  in hwm_tx_init()
1582 	if (frag_count > smc->os.hwm.tx_p->tx_free) {  in hwm_tx_init()
1584 		mac_drv_clear_txd(smc) ;  in hwm_tx_init()
1585 		if (frag_count > smc->os.hwm.tx_p->tx_free) {  in hwm_tx_init()
1597 	NDD_TRACE("THiE",frame_status,smc->os.hwm.tx_p->tx_free,0) ;  in hwm_tx_init()
1628 void hwm_tx_frag(struct s_smc *smc, char far *virt, u_long phys, int len,  in hwm_tx_frag()  argument
1635 	queue = smc->os.hwm.tx_p ;  in hwm_tx_frag()
1650 		t->txd_txdscr = cpu_to_le32(smc->os.hwm.tx_descr) ;  in hwm_tx_frag()
1673 			smc->mib.m[MAC0].fddiMACTransmit_Ct++ ;  in hwm_tx_frag()
1679 			if(!(smc->os.hwm.tx_mb = smt_get_mbuf(smc))) {  in hwm_tx_frag()
1680 				smc->hw.fp.err_stats.err_no_buf++ ;  in hwm_tx_frag()
1684 				smc->os.hwm.tx_data =  in hwm_tx_frag()
1685 					smtod(smc->os.hwm.tx_mb,char *) - 1 ;  in hwm_tx_frag()
1688 				hwm_cpy_txd2mb(t,smc->os.hwm.tx_data,  in hwm_tx_frag()
1689 					smc->os.hwm.tx_len) ;  in hwm_tx_frag()
1694 		if (smc->os.hwm.tx_mb) {  in hwm_tx_frag()
1697 			memcpy(smc->os.hwm.tx_data,virt,len) ;  in hwm_tx_frag()
1698 			smc->os.hwm.tx_data += len ;  in hwm_tx_frag()
1710 				hwm_cpy_txd2mb(t,smc->os.hwm.tx_data,  in hwm_tx_frag()
1711 					smc->os.hwm.tx_len) ;  in hwm_tx_frag()
1714 				smc->os.hwm.tx_data =  in hwm_tx_frag()
1715 					smtod(smc->os.hwm.tx_mb,char *) - 1 ;  in hwm_tx_frag()
1716 				*(char *)smc->os.hwm.tx_mb->sm_data =  in hwm_tx_frag()
1717 					*smc->os.hwm.tx_data ;  in hwm_tx_frag()
1718 				smc->os.hwm.tx_data++ ;  in hwm_tx_frag()
1719 				smc->os.hwm.tx_mb->sm_len =  in hwm_tx_frag()
1720 					smc->os.hwm.tx_len - 1 ;  in hwm_tx_frag()
1722 				smt_received_pack(smc,smc->os.hwm.tx_mb,  in hwm_tx_frag()
1734 static void queue_llc_rx(struct s_smc *smc, SMbuf *mb)  in queue_llc_rx()  argument
1737 	smc->os.hwm.queued_rx_frames++ ;  in queue_llc_rx()
1739 	if (smc->os.hwm.llc_rx_pipe == NULL) {  in queue_llc_rx()
1740 		smc->os.hwm.llc_rx_pipe = mb ;  in queue_llc_rx()
1743 		smc->os.hwm.llc_rx_tail->sm_next = mb ;  in queue_llc_rx()
1745 	smc->os.hwm.llc_rx_tail = mb ;  in queue_llc_rx()
1750 	if (!smc->os.hwm.isr_flag) {  in queue_llc_rx()
1751 		smt_force_irq(smc) ;  in queue_llc_rx()
1758 static SMbuf *get_llc_rx(struct s_smc *smc)  in get_llc_rx()  argument
1762 	if ((mb = smc->os.hwm.llc_rx_pipe)) {  in get_llc_rx()
1763 		smc->os.hwm.queued_rx_frames-- ;  in get_llc_rx()
1764 		smc->os.hwm.llc_rx_pipe = mb->sm_next ;  in get_llc_rx()
1774 static void queue_txd_mb(struct s_smc *smc, SMbuf *mb)  in queue_txd_mb()  argument
1777 	smc->os.hwm.queued_txd_mb++ ;  in queue_txd_mb()
1779 	if (smc->os.hwm.txd_tx_pipe == NULL) {  in queue_txd_mb()
1780 		smc->os.hwm.txd_tx_pipe = mb ;  in queue_txd_mb()
1783 		smc->os.hwm.txd_tx_tail->sm_next = mb ;  in queue_txd_mb()
1785 	smc->os.hwm.txd_tx_tail = mb ;  in queue_txd_mb()
1791 static SMbuf *get_txd_mb(struct s_smc *smc)  in get_txd_mb()  argument
1795 	if ((mb = smc->os.hwm.txd_tx_pipe)) {  in get_txd_mb()
1796 		smc->os.hwm.queued_txd_mb-- ;  in get_txd_mb()
1797 		smc->os.hwm.txd_tx_pipe = mb->sm_next ;  in get_txd_mb()
1806 void smt_send_mbuf(struct s_smc *smc, SMbuf *mb, int fc)  in smt_send_mbuf()  argument
1852 	queue = smc->hw.fp.tx[QUEUE_A0] ;  in smt_send_mbuf()
1858 		if ((smc->os.hwm.pass_NSA &&(fc == FC_SMT_NSA)) ||  in smt_send_mbuf()
1859 		   (smc->os.hwm.pass_SMT &&(fc == FC_SMT_INFO)))  in smt_send_mbuf()
1863 	if (!smc->hw.mac_ring_is_up || frag_count > queue->tx_free) {  in smt_send_mbuf()
1870 			smt_free_mbuf(smc,mb) ;  in smt_send_mbuf()
1891 			phys = dma_master(smc, (void far *)virt[i],  in smt_send_mbuf()
1910 		smc->mib.m[MAC0].fddiMACTransmit_Ct++ ;  in smt_send_mbuf()
1911 		queue_txd_mb(smc,mb) ;  in smt_send_mbuf()
1916 		queue_llc_rx(smc,mb) ;  in smt_send_mbuf()
1923 	mac_drv_clear_txd(smc) ;  in smt_send_mbuf()
1941 static void mac_drv_clear_txd(struct s_smc *smc)  in mac_drv_clear_txd()  argument
1954 		queue = smc->hw.fp.tx[i] ;  in mac_drv_clear_txd()
1977 				dma_complete(smc,  in mac_drv_clear_txd()
1986 				mb = get_txd_mb(smc) ;  in mac_drv_clear_txd()
1987 				smt_free_mbuf(smc,mb) ;  in mac_drv_clear_txd()
1992 				mac_drv_tx_complete(smc,t2) ;  in mac_drv_clear_txd()
1996 				mac_drv_tx_complete(smc,queue->tx_curr_get) ;  in mac_drv_clear_txd()
2031 void mac_drv_clear_tx_queue(struct s_smc *smc)  in mac_drv_clear_tx_queue()  argument
2038 	if (smc->hw.hw_state != STOPPED) {  in mac_drv_clear_tx_queue()
2040 		SMT_PANIC(smc,HWM_E0011,HWM_E0011_MSG) ;  in mac_drv_clear_tx_queue()
2045 		queue = smc->hw.fp.tx[i] ;  in mac_drv_clear_tx_queue()
2066 	mac_drv_clear_txd(smc) ;  in mac_drv_clear_tx_queue()
2069 		queue = smc->hw.fp.tx[i] ;  in mac_drv_clear_tx_queue()
2123 void mac_drv_debug_lev(struct s_smc *smc, int flag, int lev)  in mac_drv_debug_lev()  argument