25 #include "h/smc.h"
74 static void queue_llc_rx(struct s_smc *smc, SMbuf *mb);
75 static void smt_to_llc(struct s_smc *smc, SMbuf *mb);
76 static void init_txd_ring(struct s_smc *smc);
77 static void init_rxd_ring(struct s_smc *smc);
78 static void queue_txd_mb(struct s_smc *smc, SMbuf *mb);
79 static u_long init_descr_ring(struct s_smc *smc, union s_fp_descr volatile *start,
81 static u_long repair_txd_ring(struct s_smc *smc, struct s_smt_tx_queue *queue);
82 static u_long repair_rxd_ring(struct s_smc *smc, struct s_smt_rx_queue *queue);
83 static SMbuf* get_llc_rx(struct s_smc *smc);
84 static SMbuf* get_txd_mb(struct s_smc *smc);
85 static void mac_drv_clear_txd(struct s_smc *smc);
94 extern void* mac_drv_get_space(struct s_smc *smc, unsigned int size);
95 extern void* mac_drv_get_desc_mem(struct s_smc *smc, unsigned int size);
96 extern void mac_drv_fill_rxd(struct s_smc *smc);
97 extern void mac_drv_tx_complete(struct s_smc *smc,
99 extern void mac_drv_rx_complete(struct s_smc *smc,
102 extern void mac_drv_requeue_rxd(struct s_smc *smc, 
105 extern void mac_drv_clear_rxd(struct s_smc *smc,
117 extern u_long mac_drv_virt2phys(struct s_smc *smc, void *virt);
118 extern u_long dma_master(struct s_smc *smc, void *virt, int len, int flag);
123 extern void dma_complete(struct s_smc *smc, volatile union s_fp_descr *descr,
127 extern int mac_drv_rx_init(struct s_smc *smc, int len, int fc, char *look_ahead,
135 void process_receive(struct s_smc *smc);
136 void fddi_isr(struct s_smc *smc);
137 void smt_free_mbuf(struct s_smc *smc, SMbuf *mb);
138 void init_driver_fplus(struct s_smc *smc);
139 void mac_drv_rx_mode(struct s_smc *smc, int mode);
140 void init_fddi_driver(struct s_smc *smc, u_char *mac_addr);
141 void mac_drv_clear_tx_queue(struct s_smc *smc);
142 void mac_drv_clear_rx_queue(struct s_smc *smc);
143 void hwm_tx_frag(struct s_smc *smc, char far *virt, u_long phys, int len,
145 void hwm_rx_frag(struct s_smc *smc, char far *virt, u_long phys, int len,
148 int mac_drv_init(struct s_smc *smc);
149 int hwm_tx_init(struct s_smc *smc, u_char fc, int frag_count, int frame_len,
154 SMbuf* smt_get_mbuf(struct s_smc *smc);
157 	void mac_drv_debug_lev(struct s_smc *smc, int flag, int lev);
174 #define MA		smc->hw.fddi_canon_addr.a
177 #define	MA		smc->hw.fddi_home_addr.a
246  *	void mac_drv_init(smc)
255 int mac_drv_init(struct s_smc *smc)  in mac_drv_init()  argument
258 		SMT_PANIC(smc,HWM_E0001,HWM_E0001_MSG) ;  in mac_drv_init()
261 		SMT_PANIC(smc,HWM_E0002,HWM_E0002_MSG) ;  in mac_drv_init()
267 	if (!(smc->os.hwm.descr_p = (union s_fp_descr volatile *)  in mac_drv_init()
268 		mac_drv_get_desc_mem(smc,(u_int)  in mac_drv_init()
277 	smc->os.hwm.mbuf_pool.mb_start=(SMbuf *)(&smc->os.hwm.mbuf_pool.mb[0]) ;  in mac_drv_init()
280 	if (!(smc->os.hwm.mbuf_pool.mb_start = (SMbuf *) mac_drv_get_space(smc,  in mac_drv_init()
286 		if (!(mb_start = (SMbuf *) mac_drv_get_space(smc,  in mac_drv_init()
298  *	init_driver_fplus(smc)
305 void init_driver_fplus(struct s_smc *smc)  in init_driver_fplus()  argument
307 	smc->hw.fp.mdr2init = FM_LSB | FM_BMMODE | FM_ENNPRQ | FM_ENHSRQ | 3 ;  in init_driver_fplus()
310 	smc->hw.fp.mdr2init |= FM_CHKPAR | FM_PARITY ;  in init_driver_fplus()
312 	smc->hw.fp.mdr3init = FM_MENRQAUNLCK | FM_MENRS ;  in init_driver_fplus()
316 	smc->hw.fp.frselreg_init = FM_ENXMTADSWAP | FM_ENRCVADSWAP ;  in init_driver_fplus()
320 static u_long init_descr_ring(struct s_smc *smc,  in init_descr_ring()  argument
335 		phys = mac_drv_virt2phys(smc,(void *)d1) ;  in init_descr_ring()
341 	phys = mac_drv_virt2phys(smc,(void *)start) ;  in init_descr_ring()
351 static void init_txd_ring(struct s_smc *smc)  in init_txd_ring()  argument
360 	ds = (struct s_smt_fp_txd volatile *) ((char *)smc->os.hwm.descr_p +  in init_txd_ring()
362 	queue = smc->hw.fp.tx[QUEUE_A0] ;  in init_txd_ring()
364 	(void)init_descr_ring(smc,(union s_fp_descr volatile *)ds,  in init_txd_ring()
376 	queue = smc->hw.fp.tx[QUEUE_S] ;  in init_txd_ring()
378 	(void)init_descr_ring(smc,(union s_fp_descr volatile *)ds,  in init_txd_ring()
388 static void init_rxd_ring(struct s_smc *smc)  in init_rxd_ring()  argument
397 	ds = (struct s_smt_fp_rxd volatile *) smc->os.hwm.descr_p ;  in init_rxd_ring()
398 	queue = smc->hw.fp.rx[QUEUE_R1] ;  in init_rxd_ring()
400 	(void)init_descr_ring(smc,(union s_fp_descr volatile *)ds,  in init_rxd_ring()
412  *	void init_fddi_driver(smc,mac_addr)
418 void init_fddi_driver(struct s_smc *smc, u_char *mac_addr)  in init_fddi_driver()  argument
423 	init_board(smc,mac_addr) ;  in init_fddi_driver()
424 	(void)init_fplus(smc) ;  in init_fddi_driver()
430 	mb = smc->os.hwm.mbuf_pool.mb_start ;  in init_fddi_driver()
431 	smc->os.hwm.mbuf_pool.mb_free = (SMbuf *)NULL ;  in init_fddi_driver()
434 		smt_free_mbuf(smc,mb)	;  in init_fddi_driver()
443 			smt_free_mbuf(smc,mb)	;  in init_fddi_driver()
453 	smc->os.hwm.llc_rx_pipe = smc->os.hwm.llc_rx_tail = (SMbuf *)NULL ;  in init_fddi_driver()
454 	smc->os.hwm.txd_tx_pipe = smc->os.hwm.txd_tx_tail = NULL ;  in init_fddi_driver()
455 	smc->os.hwm.pass_SMT = smc->os.hwm.pass_NSA = smc->os.hwm.pass_DB = 0 ;  in init_fddi_driver()
456 	smc->os.hwm.pass_llc_promisc = TRUE ;  in init_fddi_driver()
457 	smc->os.hwm.queued_rx_frames = smc->os.hwm.queued_txd_mb = 0 ;  in init_fddi_driver()
458 	smc->os.hwm.detec_count = 0 ;  in init_fddi_driver()
459 	smc->os.hwm.rx_break = 0 ;  in init_fddi_driver()
460 	smc->os.hwm.rx_len_error = 0 ;  in init_fddi_driver()
461 	smc->os.hwm.isr_flag = FALSE ;  in init_fddi_driver()
466 	i = 16 - ((long)smc->os.hwm.descr_p & 0xf) ;  in init_fddi_driver()
469 		smc->os.hwm.descr_p = (union s_fp_descr volatile *)  in init_fddi_driver()
470 			((char *)smc->os.hwm.descr_p+i) ;  in init_fddi_driver()
472 	DB_GEN(3, "pt to descr area = %p", smc->os.hwm.descr_p);  in init_fddi_driver()
474 	init_txd_ring(smc) ;  in init_fddi_driver()
475 	init_rxd_ring(smc) ;  in init_fddi_driver()
476 	mac_drv_fill_rxd(smc) ;  in init_fddi_driver()
478 	init_plc(smc) ;  in init_fddi_driver()
482 SMbuf *smt_get_mbuf(struct s_smc *smc)  in smt_get_mbuf()  argument
487 	mb = smc->os.hwm.mbuf_pool.mb_free ;  in smt_get_mbuf()
493 		smc->os.hwm.mbuf_pool.mb_free = mb->sm_next ;  in smt_get_mbuf()
504 void smt_free_mbuf(struct s_smc *smc, SMbuf *mb)  in smt_free_mbuf()  argument
518 			mb->sm_next = smc->os.hwm.mbuf_pool.mb_free ;  in smt_free_mbuf()
519 			smc->os.hwm.mbuf_pool.mb_free = mb ;  in smt_free_mbuf()
527 		SMT_PANIC(smc,HWM_E0003,HWM_E0003_MSG) ;  in smt_free_mbuf()
533  *	void mac_drv_repair_descr(smc)
550 void mac_drv_repair_descr(struct s_smc *smc)  in mac_drv_repair_descr()  argument
554 	if (smc->hw.hw_state != STOPPED) {  in mac_drv_repair_descr()
556 		SMT_PANIC(smc,HWM_E0013,HWM_E0013_MSG) ;  in mac_drv_repair_descr()
563 	phys = repair_txd_ring(smc,smc->hw.fp.tx[QUEUE_A0]) ;  in mac_drv_repair_descr()
565 	if (smc->hw.fp.tx_q[QUEUE_A0].tx_used) {  in mac_drv_repair_descr()
568 	phys = repair_txd_ring(smc,smc->hw.fp.tx[QUEUE_S]) ;  in mac_drv_repair_descr()
570 	if (smc->hw.fp.tx_q[QUEUE_S].tx_used) {  in mac_drv_repair_descr()
577 	phys = repair_rxd_ring(smc,smc->hw.fp.rx[QUEUE_R1]) ;  in mac_drv_repair_descr()
582 static u_long repair_txd_ring(struct s_smc *smc, struct s_smt_tx_queue *queue)  in repair_txd_ring()  argument
590 	SK_UNUSED(smc) ;  in repair_txd_ring()
634 static u_long repair_rxd_ring(struct s_smc *smc, struct s_smt_rx_queue *queue)  in repair_rxd_ring()  argument
642 	SK_UNUSED(smc) ;  in repair_rxd_ring()
684  *	void fddi_isr(smc)
699  *	We have to force and Timer IRQ if 'smc->os.hwm.leave_isr' AND
705 void fddi_isr(struct s_smc *smc)  in fddi_isr()  argument
716 	if (smc->os.hwm.rx_break) {  in fddi_isr()
717 		mac_drv_fill_rxd(smc) ;  in fddi_isr()
718 		if (smc->hw.fp.rx_q[QUEUE_R1].rx_used > 0) {  in fddi_isr()
719 			smc->os.hwm.rx_break = 0 ;  in fddi_isr()
720 			process_receive(smc) ;  in fddi_isr()
723 			smc->os.hwm.detec_count = 0 ;  in fddi_isr()
724 			smt_force_irq(smc) ;  in fddi_isr()
728 	smc->os.hwm.isr_flag = TRUE ;  in fddi_isr()
732 	if (smc->os.hwm.leave_isr) {  in fddi_isr()
733 		smc->os.hwm.leave_isr = FALSE ;  in fddi_isr()
734 		process_receive(smc) ;  in fddi_isr()
745 				plc1_irq(smc) ;  in fddi_isr()
748 				plc2_irq(smc) ;  in fddi_isr()
754 				mac1_irq(smc,stu,stl) ;  in fddi_isr()
761 				mac2_irq(smc,stu,stl) ;  in fddi_isr()
767 				mac3_irq(smc,stu,stl) ;  in fddi_isr()
770 				timer_irq(smc) ;  in fddi_isr()
777 				if (++smc->os.hwm.detec_count > 4) {  in fddi_isr()
781 					 process_receive(smc) ;  in fddi_isr()
785 				rtm_irq(smc) ;  in fddi_isr()
790 				SMT_PANIC(smc,HWM_E0004,HWM_E0004_MSG) ;  in fddi_isr()
795 				SMT_PANIC(smc,HWM_E0005,HWM_E0005_MSG) ;  in fddi_isr()
800 				SMT_PANIC(smc,HWM_E0006,HWM_E0006_MSG) ;  in fddi_isr()
805 				SMT_PANIC(smc,HWM_E0007,HWM_E0007_MSG) ;  in fddi_isr()
820 			mac_drv_clear_txd(smc) ;  in fddi_isr()
821 			llc_restart_tx(smc) ;  in fddi_isr()
832 			process_receive(smc) ;  in fddi_isr()
834 			process_receive(smc) ;  in fddi_isr()
835 			if (smc->os.hwm.leave_isr) {  in fddi_isr()
839 				process_receive(smc) ;  in fddi_isr()
845 		while ((mb = get_llc_rx(smc))) {  in fddi_isr()
846 			smt_to_llc(smc,mb) ;  in fddi_isr()
852 		while (!offDepth && (mb = get_llc_rx(smc))) {  in fddi_isr()
853 			smt_to_llc(smc,mb) ;  in fddi_isr()
856 		if (!offDepth && smc->os.hwm.rx_break) {  in fddi_isr()
857 			process_receive(smc) ;  in fddi_isr()
860 		if (smc->q.ev_get != smc->q.ev_put) {  in fddi_isr()
862 			ev_dispatcher(smc) ;  in fddi_isr()
871 		if (smc->os.hwm.leave_isr) {  in fddi_isr()
880 	if (smc->os.hwm.leave_isr && force_irq) {  in fddi_isr()
881 		smt_force_irq(smc) ;  in fddi_isr()
884 	smc->os.hwm.isr_flag = FALSE ;  in fddi_isr()
898  *	void mac_drv_rx_mode(smc,mode)
988 void mac_drv_rx_mode(struct s_smc *smc, int mode)  in mac_drv_rx_mode()  argument
992 		smc->os.hwm.pass_SMT = TRUE ;  in mac_drv_rx_mode()
995 		smc->os.hwm.pass_SMT = FALSE ;  in mac_drv_rx_mode()
998 		smc->os.hwm.pass_NSA = TRUE ;  in mac_drv_rx_mode()
1001 		smc->os.hwm.pass_NSA = FALSE ;  in mac_drv_rx_mode()
1004 		smc->os.hwm.pass_DB = TRUE ;  in mac_drv_rx_mode()
1007 		smc->os.hwm.pass_DB = FALSE ;  in mac_drv_rx_mode()
1010 		smc->os.hwm.pass_SMT = smc->os.hwm.pass_NSA = FALSE ;  in mac_drv_rx_mode()
1011 		smc->os.hwm.pass_DB = FALSE ;  in mac_drv_rx_mode()
1012 		smc->os.hwm.pass_llc_promisc = TRUE ;  in mac_drv_rx_mode()
1013 		mac_set_rx_mode(smc,RX_DISABLE_NSA) ;  in mac_drv_rx_mode()
1016 		smc->os.hwm.pass_llc_promisc = FALSE ;  in mac_drv_rx_mode()
1019 		smc->os.hwm.pass_llc_promisc = TRUE ;  in mac_drv_rx_mode()
1028 		mac_set_rx_mode(smc,mode) ;  in mac_drv_rx_mode()
1037 void process_receive(struct s_smc *smc)  in process_receive()  argument
1055 	smc->os.hwm.detec_count = 0 ;  in process_receive()
1056 	queue = smc->hw.fp.rx[QUEUE_R1] ;  in process_receive()
1064 		if (smc->os.hwm.leave_isr) {  in process_receive()
1070 			smc->os.hwm.rx_break = 1 ;  in process_receive()
1073 		smc->os.hwm.rx_break = 0 ;  in process_receive()
1076 		if (smc->os.hwm.rx_break) {  in process_receive()
1096 				SMT_PANIC(smc,HWM_E0009,HWM_E0009_MSG) ;  in process_receive()
1100 				smc->hw.hw_state = STOPPED ;  in process_receive()
1101 				mac_drv_clear_rx_queue(smc) ;  in process_receive()
1102 				smc->hw.hw_state = STARTED ;  in process_receive()
1103 				mac_drv_fill_rxd(smc) ;  in process_receive()
1104 				smc->os.hwm.detec_count = 0 ;  in process_receive()
1164 			dma_complete(smc,(union s_fp_descr volatile *)r,DMA_WR);  in process_receive()
1166 		smc->hw.fp.err_stats.err_valid++ ;  in process_receive()
1167 		smc->mib.m[MAC0].fddiMACCopied_Ct++ ;  in process_receive()
1179 				smc->hw.fp.err_stats.err_abort++ ;  in process_receive()
1186 				smc->hw.fp.err_stats.err_e_indicator++ ;  in process_receive()
1190 				smc->hw.fp.err_stats.err_crc++ ;  in process_receive()
1194 				smc->hw.fp.err_stats.err_imp_frame++ ;  in process_receive()
1200 			smc->hw.fp.err_stats.err_too_long++ ;  in process_receive()
1214 			smc->os.hwm.rx_len_error++ ;  in process_receive()
1241 			if (!smc->os.hwm.pass_llc_promisc) {  in process_receive()
1259 			mac_drv_rx_complete(smc,rxd,frag_count,len) ;  in process_receive()
1262 			if (!(mb = smt_get_mbuf(smc))) {  in process_receive()
1263 				smc->hw.fp.err_stats.err_no_buf++ ;  in process_receive()
1292 				smc->hw.fp.err_stats.err_smt_frame++ ;  in process_receive()
1295 				if (smc->os.hwm.pass_SMT) {  in process_receive()
1297 					mac_drv_rx_complete(smc, rxd,  in process_receive()
1302 					mac_drv_requeue_rxd(smc,rxd,frag_count);  in process_receive()
1305 				smt_received_pack(smc,mb,(int)(rfsw>>25)) ;  in process_receive()
1308 				smc->hw.fp.err_stats.err_smt_frame++ ;  in process_receive()
1314 				if (smc->os.hwm.pass_NSA ||  in process_receive()
1315 					(smc->os.hwm.pass_SMT &&  in process_receive()
1318 					mac_drv_rx_complete(smc, rxd,  in process_receive()
1323 					mac_drv_requeue_rxd(smc,rxd,frag_count);  in process_receive()
1326 				smt_received_pack(smc,mb,(int)(rfsw>>25)) ;  in process_receive()
1329 				if (smc->os.hwm.pass_DB) {  in process_receive()
1331 					mac_drv_rx_complete(smc, rxd,  in process_receive()
1336 					mac_drv_requeue_rxd(smc,rxd,frag_count);  in process_receive()
1338 				smt_free_mbuf(smc,mb) ;  in process_receive()
1345 				smt_free_mbuf(smc,mb) ;  in process_receive()
1347 				mac_drv_requeue_rxd(smc,rxd,frag_count) ;  in process_receive()
1349 					smc->hw.fp.err_stats.err_mac_frame++ ;  in process_receive()
1351 					smc->hw.fp.err_stats.err_imp_frame++ ;  in process_receive()
1364 		mac_drv_requeue_rxd(smc,rxd,frag_count) ;  in process_receive()
1371 	mac_drv_all_receives_complete(smc) ;  in process_receive()
1376 static void smt_to_llc(struct s_smc *smc, SMbuf *mb)  in smt_to_llc()  argument
1381 	smc->os.hwm.r.len = mb->sm_len ;  in smt_to_llc()
1382 	smc->os.hwm.r.mb_pos = smtod(mb,char *) ;  in smt_to_llc()
1383 	fc = *smc->os.hwm.r.mb_pos ;  in smt_to_llc()
1384 	(void)mac_drv_rx_init(smc,(int)mb->sm_len,(int)fc,  in smt_to_llc()
1385 		smc->os.hwm.r.mb_pos,(int)mb->sm_len) ;  in smt_to_llc()
1386 	smt_free_mbuf(smc,mb) ;  in smt_to_llc()
1391  *	void hwm_rx_frag(smc,virt,phys,len,frame_status)
1411 void hwm_rx_frag(struct s_smc *smc, char far *virt, u_long phys, int len,  in hwm_rx_frag()  argument
1419 	r = smc->hw.fp.rx_q[QUEUE_R1].rx_curr_put ;  in hwm_rx_frag()
1430 	smc->hw.fp.rx_q[QUEUE_R1].rx_free-- ;  in hwm_rx_frag()
1431 	smc->hw.fp.rx_q[QUEUE_R1].rx_used++ ;  in hwm_rx_frag()
1432 	smc->hw.fp.rx_q[QUEUE_R1].rx_curr_put = r->rxd_next ;  in hwm_rx_frag()
1439  * void mac_drv_clear_rx_queue(smc)
1440  * struct s_smc *smc ;
1459 void mac_drv_clear_rx_queue(struct s_smc *smc)  in mac_drv_clear_rx_queue()  argument
1467 	if (smc->hw.hw_state != STOPPED) {  in mac_drv_clear_rx_queue()
1469 		SMT_PANIC(smc,HWM_E0012,HWM_E0012_MSG) ;  in mac_drv_clear_rx_queue()
1473 	queue = smc->hw.fp.rx[QUEUE_R1] ;  in mac_drv_clear_rx_queue()
1502 			dma_complete(smc,(union s_fp_descr volatile *)r,DMA_WR);  in mac_drv_clear_rx_queue()
1507 		mac_drv_clear_rxd(smc,queue->rx_curr_get,frag_count) ;  in mac_drv_clear_rx_queue()
1524  *	int hwm_tx_init(smc,fc,frag_count,frame_len,frame_status)
1546 int hwm_tx_init(struct s_smc *smc, u_char fc, int frag_count, int frame_len,  in hwm_tx_init()  argument
1550 	smc->os.hwm.tx_p = smc->hw.fp.tx[frame_status & QUEUE_A0] ;  in hwm_tx_init()
1551 	smc->os.hwm.tx_descr = TX_DESCRIPTOR | (((u_long)(frame_len-1)&3)<<27) ;  in hwm_tx_init()
1552 	smc->os.hwm.tx_len = frame_len ;  in hwm_tx_init()
1570 			SMT_PANIC(smc,HWM_E0010,HWM_E0010_MSG) ;  in hwm_tx_init()
1573 	if (!smc->hw.mac_ring_is_up) {  in hwm_tx_init()
1578 	if (frag_count > smc->os.hwm.tx_p->tx_free) {  in hwm_tx_init()
1580 		mac_drv_clear_txd(smc) ;  in hwm_tx_init()
1581 		if (frag_count > smc->os.hwm.tx_p->tx_free) {  in hwm_tx_init()
1593 	NDD_TRACE("THiE",frame_status,smc->os.hwm.tx_p->tx_free,0) ;  in hwm_tx_init()
1599  *	void hwm_tx_frag(smc,virt,phys,len,frame_status)
1624 void hwm_tx_frag(struct s_smc *smc, char far *virt, u_long phys, int len,  in hwm_tx_frag()  argument
1631 	queue = smc->os.hwm.tx_p ;  in hwm_tx_frag()
1646 		t->txd_txdscr = cpu_to_le32(smc->os.hwm.tx_descr) ;  in hwm_tx_frag()
1669 			smc->mib.m[MAC0].fddiMACTransmit_Ct++ ;  in hwm_tx_frag()
1675 			if(!(smc->os.hwm.tx_mb = smt_get_mbuf(smc))) {  in hwm_tx_frag()
1676 				smc->hw.fp.err_stats.err_no_buf++ ;  in hwm_tx_frag()
1680 				smc->os.hwm.tx_data =  in hwm_tx_frag()
1681 					smtod(smc->os.hwm.tx_mb,char *) - 1 ;  in hwm_tx_frag()
1684 				hwm_cpy_txd2mb(t,smc->os.hwm.tx_data,  in hwm_tx_frag()
1685 					smc->os.hwm.tx_len) ;  in hwm_tx_frag()
1690 		if (smc->os.hwm.tx_mb) {  in hwm_tx_frag()
1693 			memcpy(smc->os.hwm.tx_data,virt,len) ;  in hwm_tx_frag()
1694 			smc->os.hwm.tx_data += len ;  in hwm_tx_frag()
1706 				hwm_cpy_txd2mb(t,smc->os.hwm.tx_data,  in hwm_tx_frag()
1707 					smc->os.hwm.tx_len) ;  in hwm_tx_frag()
1710 				smc->os.hwm.tx_data =  in hwm_tx_frag()
1711 					smtod(smc->os.hwm.tx_mb,char *) - 1 ;  in hwm_tx_frag()
1712 				*(char *)smc->os.hwm.tx_mb->sm_data =  in hwm_tx_frag()
1713 					*smc->os.hwm.tx_data ;  in hwm_tx_frag()
1714 				smc->os.hwm.tx_data++ ;  in hwm_tx_frag()
1715 				smc->os.hwm.tx_mb->sm_len =  in hwm_tx_frag()
1716 					smc->os.hwm.tx_len - 1 ;  in hwm_tx_frag()
1718 				smt_received_pack(smc,smc->os.hwm.tx_mb,  in hwm_tx_frag()
1730 static void queue_llc_rx(struct s_smc *smc, SMbuf *mb)  in queue_llc_rx()  argument
1733 	smc->os.hwm.queued_rx_frames++ ;  in queue_llc_rx()
1735 	if (smc->os.hwm.llc_rx_pipe == NULL) {  in queue_llc_rx()
1736 		smc->os.hwm.llc_rx_pipe = mb ;  in queue_llc_rx()
1739 		smc->os.hwm.llc_rx_tail->sm_next = mb ;  in queue_llc_rx()
1741 	smc->os.hwm.llc_rx_tail = mb ;  in queue_llc_rx()
1746 	if (!smc->os.hwm.isr_flag) {  in queue_llc_rx()
1747 		smt_force_irq(smc) ;  in queue_llc_rx()
1754 static SMbuf *get_llc_rx(struct s_smc *smc)  in get_llc_rx()  argument
1758 	if ((mb = smc->os.hwm.llc_rx_pipe)) {  in get_llc_rx()
1759 		smc->os.hwm.queued_rx_frames-- ;  in get_llc_rx()
1760 		smc->os.hwm.llc_rx_pipe = mb->sm_next ;  in get_llc_rx()
1770 static void queue_txd_mb(struct s_smc *smc, SMbuf *mb)  in queue_txd_mb()  argument
1773 	smc->os.hwm.queued_txd_mb++ ;  in queue_txd_mb()
1775 	if (smc->os.hwm.txd_tx_pipe == NULL) {  in queue_txd_mb()
1776 		smc->os.hwm.txd_tx_pipe = mb ;  in queue_txd_mb()
1779 		smc->os.hwm.txd_tx_tail->sm_next = mb ;  in queue_txd_mb()
1781 	smc->os.hwm.txd_tx_tail = mb ;  in queue_txd_mb()
1787 static SMbuf *get_txd_mb(struct s_smc *smc)  in get_txd_mb()  argument
1791 	if ((mb = smc->os.hwm.txd_tx_pipe)) {  in get_txd_mb()
1792 		smc->os.hwm.queued_txd_mb-- ;  in get_txd_mb()
1793 		smc->os.hwm.txd_tx_pipe = mb->sm_next ;  in get_txd_mb()
1802 void smt_send_mbuf(struct s_smc *smc, SMbuf *mb, int fc)  in smt_send_mbuf()  argument
1848 	queue = smc->hw.fp.tx[QUEUE_A0] ;  in smt_send_mbuf()
1854 		if ((smc->os.hwm.pass_NSA &&(fc == FC_SMT_NSA)) ||  in smt_send_mbuf()
1855 		   (smc->os.hwm.pass_SMT &&(fc == FC_SMT_INFO)))  in smt_send_mbuf()
1859 	if (!smc->hw.mac_ring_is_up || frag_count > queue->tx_free) {  in smt_send_mbuf()
1866 			smt_free_mbuf(smc,mb) ;  in smt_send_mbuf()
1887 			phys = dma_master(smc, (void far *)virt[i],  in smt_send_mbuf()
1906 		smc->mib.m[MAC0].fddiMACTransmit_Ct++ ;  in smt_send_mbuf()
1907 		queue_txd_mb(smc,mb) ;  in smt_send_mbuf()
1912 		queue_llc_rx(smc,mb) ;  in smt_send_mbuf()
1919 	mac_drv_clear_txd(smc) ;  in smt_send_mbuf()
1924  *	void mac_drv_clear_txd(smc)
1937 static void mac_drv_clear_txd(struct s_smc *smc)  in mac_drv_clear_txd()  argument
1950 		queue = smc->hw.fp.tx[i] ;  in mac_drv_clear_txd()
1973 				dma_complete(smc,  in mac_drv_clear_txd()
1982 				mb = get_txd_mb(smc) ;  in mac_drv_clear_txd()
1983 				smt_free_mbuf(smc,mb) ;  in mac_drv_clear_txd()
1988 				mac_drv_tx_complete(smc,t2) ;  in mac_drv_clear_txd()
1992 				mac_drv_tx_complete(smc,queue->tx_curr_get) ;  in mac_drv_clear_txd()
2007  * void mac_drv_clear_tx_queue(smc)
2008  * struct s_smc *smc ;
2027 void mac_drv_clear_tx_queue(struct s_smc *smc)  in mac_drv_clear_tx_queue()  argument
2034 	if (smc->hw.hw_state != STOPPED) {  in mac_drv_clear_tx_queue()
2036 		SMT_PANIC(smc,HWM_E0011,HWM_E0011_MSG) ;  in mac_drv_clear_tx_queue()
2041 		queue = smc->hw.fp.tx[i] ;  in mac_drv_clear_tx_queue()
2062 	mac_drv_clear_txd(smc) ;  in mac_drv_clear_tx_queue()
2065 		queue = smc->hw.fp.tx[i] ;  in mac_drv_clear_tx_queue()
2095  *	void mac_drv_debug_lev(smc,flag,lev)
2119 void mac_drv_debug_lev(struct s_smc *smc, int flag, int lev)  in mac_drv_debug_lev()  argument