fddi: Move the FDDI drivers

Move the FDDI drivers into drivers/net/fddi/ and make the
necessary Kconfig and Makefile changes.

CC: "Maciej W. Rozycki" <macro@linux-mips.org>
CC: Christoph Goos <cgoos@syskonnect.de>
CC: <linux@syskonnect.de>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

1 files changed, 0 insertions, 2178 deletions

diff --git a/drivers/net/skfp/hwmtm.c b/drivers/net/skfp/hwmtm.c
deleted file mode 100644
index e26398b5a7dc..000000000000
--- a/drivers/net/skfp/hwmtm.c
+++ /dev/null
@@ -1,2178 +0,0 @@
-/******************************************************************************
- *
- *	(C)Copyright 1998,1999 SysKonnect,
- *	a business unit of Schneider & Koch & Co. Datensysteme GmbH.
- *
- *	See the file "skfddi.c" for further information.
- *
- *	This program is free software; you can redistribute it and/or modify
- *	it under the terms of the GNU General Public License as published by
- *	the Free Software Foundation; either version 2 of the License, or
- *	(at your option) any later version.
- *
- *	The information in this file is provided "AS IS" without warranty.
- *
- ******************************************************************************/
-
-#ifndef	lint
-static char const ID_sccs[] = "@(#)hwmtm.c	1.40 99/05/31 (C) SK" ;
-#endif
-
-#define	HWMTM
-
-#ifndef FDDI
-#define	FDDI
-#endif
-
-#include "h/types.h"
-#include "h/fddi.h"
-#include "h/smc.h"
-#include "h/supern_2.h"
-#include "h/skfbiinc.h"
-
-/*
-	-------------------------------------------------------------
-	DOCUMENTATION
-	-------------------------------------------------------------
-	BEGIN_MANUAL_ENTRY(DOCUMENTATION)
-
-			T B D
-
-	END_MANUAL_ENTRY
-*/
-/*
-	-------------------------------------------------------------
-	LOCAL VARIABLES:
-	-------------------------------------------------------------
-*/
-#ifdef COMMON_MB_POOL
-static	SMbuf *mb_start = 0 ;
-static	SMbuf *mb_free = 0 ;
-static	int mb_init = FALSE ;
-static	int call_count = 0 ;
-#endif
-
-/*
-	-------------------------------------------------------------
-	EXTERNE VARIABLES:
-	-------------------------------------------------------------
-*/
-
-#ifdef	DEBUG
-#ifndef	DEBUG_BRD
-extern	struct smt_debug	debug ;
-#endif
-#endif
-
-#ifdef	NDIS_OS2
-extern	u_char	offDepth ;
-extern	u_char	force_irq_pending ;
-#endif
-
-/*
-	-------------------------------------------------------------
-	LOCAL FUNCTIONS:
-	-------------------------------------------------------------
-*/
-
-static void queue_llc_rx(struct s_smc *smc, SMbuf *mb);
-static void smt_to_llc(struct s_smc *smc, SMbuf *mb);
-static void init_txd_ring(struct s_smc *smc);
-static void init_rxd_ring(struct s_smc *smc);
-static void queue_txd_mb(struct s_smc *smc, SMbuf *mb);
-static u_long init_descr_ring(struct s_smc *smc, union s_fp_descr volatile *start,
-			      int count);
-static u_long repair_txd_ring(struct s_smc *smc, struct s_smt_tx_queue *queue);
-static u_long repair_rxd_ring(struct s_smc *smc, struct s_smt_rx_queue *queue);
-static SMbuf* get_llc_rx(struct s_smc *smc);
-static SMbuf* get_txd_mb(struct s_smc *smc);
-static void mac_drv_clear_txd(struct s_smc *smc);
-
-/*
-	-------------------------------------------------------------
-	EXTERNAL FUNCTIONS:
-	-------------------------------------------------------------
-*/
-/*	The external SMT functions are listed in cmtdef.h */
-
-extern void* mac_drv_get_space(struct s_smc *smc, unsigned int size);
-extern void* mac_drv_get_desc_mem(struct s_smc *smc, unsigned int size);
-extern void mac_drv_fill_rxd(struct s_smc *smc);
-extern void mac_drv_tx_complete(struct s_smc *smc,
-				volatile struct s_smt_fp_txd *txd);
-extern void mac_drv_rx_complete(struct s_smc *smc,
-				volatile struct s_smt_fp_rxd *rxd,
-				int frag_count, int len);
-extern void mac_drv_requeue_rxd(struct s_smc *smc, 
-				volatile struct s_smt_fp_rxd *rxd,
-				int frag_count);
-extern void mac_drv_clear_rxd(struct s_smc *smc,
-			      volatile struct s_smt_fp_rxd *rxd, int frag_count);
-
-#ifdef	USE_OS_CPY
-extern void hwm_cpy_rxd2mb(void);
-extern void hwm_cpy_txd2mb(void);
-#endif
-
-#ifdef	ALL_RX_COMPLETE
-extern void mac_drv_all_receives_complete(void);
-#endif
-
-extern u_long mac_drv_virt2phys(struct s_smc *smc, void *virt);
-extern u_long dma_master(struct s_smc *smc, void *virt, int len, int flag);
-
-#ifdef	NDIS_OS2
-extern void post_proc(void);
-#else
-extern void dma_complete(struct s_smc *smc, volatile union s_fp_descr *descr,
-			 int flag);
-#endif
-
-extern int mac_drv_rx_init(struct s_smc *smc, int len, int fc, char *look_ahead,
-			   int la_len);
-
-/*
-	-------------------------------------------------------------
-	PUBLIC FUNCTIONS:
-	-------------------------------------------------------------
-*/
-void process_receive(struct s_smc *smc);
-void fddi_isr(struct s_smc *smc);
-void smt_free_mbuf(struct s_smc *smc, SMbuf *mb);
-void init_driver_fplus(struct s_smc *smc);
-void mac_drv_rx_mode(struct s_smc *smc, int mode);
-void init_fddi_driver(struct s_smc *smc, u_char *mac_addr);
-void mac_drv_clear_tx_queue(struct s_smc *smc);
-void mac_drv_clear_rx_queue(struct s_smc *smc);
-void hwm_tx_frag(struct s_smc *smc, char far *virt, u_long phys, int len,
-		 int frame_status);
-void hwm_rx_frag(struct s_smc *smc, char far *virt, u_long phys, int len,
-		 int frame_status);
-
-int mac_drv_init(struct s_smc *smc);
-int hwm_tx_init(struct s_smc *smc, u_char fc, int frag_count, int frame_len,
-		int frame_status);
-
-u_int mac_drv_check_space(void);
-
-SMbuf* smt_get_mbuf(struct s_smc *smc);
-
-#ifdef DEBUG
-	void mac_drv_debug_lev(void);
-#endif
-
-/*
-	-------------------------------------------------------------
-	MACROS:
-	-------------------------------------------------------------
-*/
-#ifndef	UNUSED
-#ifdef	lint
-#define UNUSED(x)	(x) = (x)
-#else
-#define UNUSED(x)
-#endif
-#endif
-
-#ifdef	USE_CAN_ADDR
-#define MA		smc->hw.fddi_canon_addr.a
-#define	GROUP_ADDR_BIT	0x01
-#else
-#define	MA		smc->hw.fddi_home_addr.a
-#define	GROUP_ADDR_BIT	0x80
-#endif
-
-#define RXD_TXD_COUNT	(HWM_ASYNC_TXD_COUNT+HWM_SYNC_TXD_COUNT+\
-			SMT_R1_RXD_COUNT+SMT_R2_RXD_COUNT)
-
-#ifdef	MB_OUTSIDE_SMC
-#define	EXT_VIRT_MEM	((RXD_TXD_COUNT+1)*sizeof(struct s_smt_fp_txd) +\
-			MAX_MBUF*sizeof(SMbuf))
-#define	EXT_VIRT_MEM_2	((RXD_TXD_COUNT+1)*sizeof(struct s_smt_fp_txd))
-#else
-#define	EXT_VIRT_MEM	((RXD_TXD_COUNT+1)*sizeof(struct s_smt_fp_txd))
-#endif
-
-	/*
-	 * define critical read for 16 Bit drivers
-	 */
-#if	defined(NDIS_OS2) || defined(ODI2)
-#define CR_READ(var)	((var) & 0xffff0000 | ((var) & 0xffff))
-#else
-#define CR_READ(var)	(__le32)(var)
-#endif
-
-#define IMASK_SLOW	(IS_PLINT1 | IS_PLINT2 | IS_TIMINT | IS_TOKEN | \
-			 IS_MINTR1 | IS_MINTR2 | IS_MINTR3 | IS_R1_P | \
-			 IS_R1_C | IS_XA_C | IS_XS_C)
-
-/*
-	-------------------------------------------------------------
-	INIT- AND SMT FUNCTIONS:
-	-------------------------------------------------------------
-*/
-
-
-/*
- *	BEGIN_MANUAL_ENTRY(mac_drv_check_space)
- *	u_int mac_drv_check_space()
- *
- *	function	DOWNCALL	(drvsr.c)
- *			This function calculates the needed non virtual
- *			memory for MBufs, RxD and TxD descriptors etc.
- *			needed by the driver.
- *
- *	return		u_int	memory in bytes
- *
- *	END_MANUAL_ENTRY
- */
-u_int mac_drv_check_space(void)
-{
-#ifdef	MB_OUTSIDE_SMC
-#ifdef	COMMON_MB_POOL
-	call_count++ ;
-	if (call_count == 1) {
-		return EXT_VIRT_MEM;
-	}
-	else {
-		return EXT_VIRT_MEM_2;
-	}
-#else
-	return EXT_VIRT_MEM;
-#endif
-#else
-	return 0;
-#endif
-}
-
-/*
- *	BEGIN_MANUAL_ENTRY(mac_drv_init)
- *	void mac_drv_init(smc)
- *
- *	function	DOWNCALL	(drvsr.c)
- *			In this function the hardware module allocates it's
- *			memory.
- *			The operating system dependent module should call
- *			mac_drv_init once, after the adatper is detected.
- *	END_MANUAL_ENTRY
- */
-int mac_drv_init(struct s_smc *smc)
-{
-	if (sizeof(struct s_smt_fp_rxd) % 16) {
-		SMT_PANIC(smc,HWM_E0001,HWM_E0001_MSG) ;
-	}
-	if (sizeof(struct s_smt_fp_txd) % 16) {
-		SMT_PANIC(smc,HWM_E0002,HWM_E0002_MSG) ;
-	}
-
-	/*
-	 * get the required memory for the RxDs and TxDs
-	 */
-	if (!(smc->os.hwm.descr_p = (union s_fp_descr volatile *)
-		mac_drv_get_desc_mem(smc,(u_int)
-		(RXD_TXD_COUNT+1)*sizeof(struct s_smt_fp_txd)))) {
-		return 1;	/* no space the hwm modul can't work */
-	}
-
-	/*
-	 * get the memory for the SMT MBufs
-	 */
-#ifndef	MB_OUTSIDE_SMC
-	smc->os.hwm.mbuf_pool.mb_start=(SMbuf *)(&smc->os.hwm.mbuf_pool.mb[0]) ;
-#else
-#ifndef	COMMON_MB_POOL
-	if (!(smc->os.hwm.mbuf_pool.mb_start = (SMbuf *) mac_drv_get_space(smc,
-		MAX_MBUF*sizeof(SMbuf)))) {
-		return 1;	/* no space the hwm modul can't work */
-	}
-#else
-	if (!mb_start) {
-		if (!(mb_start = (SMbuf *) mac_drv_get_space(smc,
-			MAX_MBUF*sizeof(SMbuf)))) {
-			return 1;	/* no space the hwm modul can't work */
-		}
-	}
-#endif
-#endif
-	return 0;
-}
-
-/*
- *	BEGIN_MANUAL_ENTRY(init_driver_fplus)
- *	init_driver_fplus(smc)
- *
- * Sets hardware modul specific values for the mode register 2
- * (e.g. the byte alignment for the received frames, the position of the
- *	 least significant byte etc.)
- *	END_MANUAL_ENTRY
- */
-void init_driver_fplus(struct s_smc *smc)
-{
-	smc->hw.fp.mdr2init = FM_LSB | FM_BMMODE | FM_ENNPRQ | FM_ENHSRQ | 3 ;
-
-#ifdef	PCI
-	smc->hw.fp.mdr2init |= FM_CHKPAR | FM_PARITY ;
-#endif
-	smc->hw.fp.mdr3init = FM_MENRQAUNLCK | FM_MENRS ;
-
-#ifdef	USE_CAN_ADDR
-	/* enable address bit swapping */
-	smc->hw.fp.frselreg_init = FM_ENXMTADSWAP | FM_ENRCVADSWAP ;
-#endif
-}
-
-static u_long init_descr_ring(struct s_smc *smc,
-			      union s_fp_descr volatile *start,
-			      int count)
-{
-	int i ;
-	union s_fp_descr volatile *d1 ;
-	union s_fp_descr volatile *d2 ;
-	u_long	phys ;
-
-	DB_GEN("descr ring starts at = %x ",(void *)start,0,3) ;
-	for (i=count-1, d1=start; i ; i--) {
-		d2 = d1 ;
-		d1++ ;		/* descr is owned by the host */
-		d2->r.rxd_rbctrl = cpu_to_le32(BMU_CHECK) ;
-		d2->r.rxd_next = &d1->r ;
-		phys = mac_drv_virt2phys(smc,(void *)d1) ;
-		d2->r.rxd_nrdadr = cpu_to_le32(phys) ;
-	}
-	DB_GEN("descr ring ends at = %x ",(void *)d1,0,3) ;
-	d1->r.rxd_rbctrl = cpu_to_le32(BMU_CHECK) ;
-	d1->r.rxd_next = &start->r ;
-	phys = mac_drv_virt2phys(smc,(void *)start) ;
-	d1->r.rxd_nrdadr = cpu_to_le32(phys) ;
-
-	for (i=count, d1=start; i ; i--) {
-		DRV_BUF_FLUSH(&d1->r,DDI_DMA_SYNC_FORDEV) ;
-		d1++;
-	}
-	return phys;
-}
-
-static void init_txd_ring(struct s_smc *smc)
-{
-	struct s_smt_fp_txd volatile *ds ;
-	struct s_smt_tx_queue *queue ;
-	u_long	phys ;
-
-	/*
-	 * initialize the transmit descriptors
-	 */
-	ds = (struct s_smt_fp_txd volatile *) ((char *)smc->os.hwm.descr_p +
-		SMT_R1_RXD_COUNT*sizeof(struct s_smt_fp_rxd)) ;
-	queue = smc->hw.fp.tx[QUEUE_A0] ;
-	DB_GEN("Init async TxD ring, %d TxDs ",HWM_ASYNC_TXD_COUNT,0,3) ;
-	(void)init_descr_ring(smc,(union s_fp_descr volatile *)ds,
-		HWM_ASYNC_TXD_COUNT) ;
-	phys = le32_to_cpu(ds->txd_ntdadr) ;
-	ds++ ;
-	queue->tx_curr_put = queue->tx_curr_get = ds ;
-	ds-- ;
-	queue->tx_free = HWM_ASYNC_TXD_COUNT ;
-	queue->tx_used = 0 ;
-	outpd(ADDR(B5_XA_DA),phys) ;
-
-	ds = (struct s_smt_fp_txd volatile *) ((char *)ds +
-		HWM_ASYNC_TXD_COUNT*sizeof(struct s_smt_fp_txd)) ;
-	queue = smc->hw.fp.tx[QUEUE_S] ;
-	DB_GEN("Init sync TxD ring, %d TxDs ",HWM_SYNC_TXD_COUNT,0,3) ;
-	(void)init_descr_ring(smc,(union s_fp_descr volatile *)ds,
-		HWM_SYNC_TXD_COUNT) ;
-	phys = le32_to_cpu(ds->txd_ntdadr) ;
-	ds++ ;
-	queue->tx_curr_put = queue->tx_curr_get = ds ;
-	queue->tx_free = HWM_SYNC_TXD_COUNT ;
-	queue->tx_used = 0 ;
-	outpd(ADDR(B5_XS_DA),phys) ;
-}
-
-static void init_rxd_ring(struct s_smc *smc)
-{
-	struct s_smt_fp_rxd volatile *ds ;
-	struct s_smt_rx_queue *queue ;
-	u_long	phys ;
-
-	/*
-	 * initialize the receive descriptors
-	 */
-	ds = (struct s_smt_fp_rxd volatile *) smc->os.hwm.descr_p ;
-	queue = smc->hw.fp.rx[QUEUE_R1] ;
-	DB_GEN("Init RxD ring, %d RxDs ",SMT_R1_RXD_COUNT,0,3) ;
-	(void)init_descr_ring(smc,(union s_fp_descr volatile *)ds,
-		SMT_R1_RXD_COUNT) ;
-	phys = le32_to_cpu(ds->rxd_nrdadr) ;
-	ds++ ;
-	queue->rx_curr_put = queue->rx_curr_get = ds ;
-	queue->rx_free = SMT_R1_RXD_COUNT ;
-	queue->rx_used = 0 ;
-	outpd(ADDR(B4_R1_DA),phys) ;
-}
-
-/*
- *	BEGIN_MANUAL_ENTRY(init_fddi_driver)
- *	void init_fddi_driver(smc,mac_addr)
- *
- * initializes the driver and it's variables
- *
- *	END_MANUAL_ENTRY
- */
-void init_fddi_driver(struct s_smc *smc, u_char *mac_addr)
-{
-	SMbuf	*mb ;
-	int	i ;
-
-	init_board(smc,mac_addr) ;
-	(void)init_fplus(smc) ;
-
-	/*
-	 * initialize the SMbufs for the SMT
-	 */
-#ifndef	COMMON_MB_POOL
-	mb = smc->os.hwm.mbuf_pool.mb_start ;
-	smc->os.hwm.mbuf_pool.mb_free = (SMbuf *)NULL ;
-	for (i = 0; i < MAX_MBUF; i++) {
-		mb->sm_use_count = 1 ;
-		smt_free_mbuf(smc,mb)	;
-		mb++ ;
-	}
-#else
-	mb = mb_start ;
-	if (!mb_init) {
-		mb_free = 0 ;
-		for (i = 0; i < MAX_MBUF; i++) {
-			mb->sm_use_count = 1 ;
-			smt_free_mbuf(smc,mb)	;
-			mb++ ;
-		}
-		mb_init = TRUE ;
-	}
-#endif
-
-	/*
-	 * initialize the other variables
-	 */
-	smc->os.hwm.llc_rx_pipe = smc->os.hwm.llc_rx_tail = (SMbuf *)NULL ;
-	smc->os.hwm.txd_tx_pipe = smc->os.hwm.txd_tx_tail = NULL ;
-	smc->os.hwm.pass_SMT = smc->os.hwm.pass_NSA = smc->os.hwm.pass_DB = 0 ;
-	smc->os.hwm.pass_llc_promisc = TRUE ;
-	smc->os.hwm.queued_rx_frames = smc->os.hwm.queued_txd_mb = 0 ;
-	smc->os.hwm.detec_count = 0 ;
-	smc->os.hwm.rx_break = 0 ;
-	smc->os.hwm.rx_len_error = 0 ;
-	smc->os.hwm.isr_flag = FALSE ;
-
-	/*
-	 * make sure that the start pointer is 16 byte aligned
-	 */
-	i = 16 - ((long)smc->os.hwm.descr_p & 0xf) ;
-	if (i != 16) {
-		DB_GEN("i = %d",i,0,3) ;
-		smc->os.hwm.descr_p = (union s_fp_descr volatile *)
-			((char *)smc->os.hwm.descr_p+i) ;
-	}
-	DB_GEN("pt to descr area = %x",(void *)smc->os.hwm.descr_p,0,3) ;
-
-	init_txd_ring(smc) ;
-	init_rxd_ring(smc) ;
-	mac_drv_fill_rxd(smc) ;
-
-	init_plc(smc) ;
-}
-
-
-SMbuf *smt_get_mbuf(struct s_smc *smc)
-{
-	register SMbuf	*mb ;
-
-#ifndef	COMMON_MB_POOL
-	mb = smc->os.hwm.mbuf_pool.mb_free ;
-#else
-	mb = mb_free ;
-#endif
-	if (mb) {
-#ifndef	COMMON_MB_POOL
-		smc->os.hwm.mbuf_pool.mb_free = mb->sm_next ;
-#else
-		mb_free = mb->sm_next ;
-#endif
-		mb->sm_off = 8 ;
-		mb->sm_use_count = 1 ;
-	}
-	DB_GEN("get SMbuf: mb = %x",(void *)mb,0,3) ;
-	return mb;	/* May be NULL */
-}
-
-void smt_free_mbuf(struct s_smc *smc, SMbuf *mb)
-{
-
-	if (mb) {
-		mb->sm_use_count-- ;
-		DB_GEN("free_mbuf: sm_use_count = %d",mb->sm_use_count,0,3) ;
-		/*
-		 * If the use_count is != zero the MBuf is queued
-		 * more than once and must not queued into the
-		 * free MBuf queue
-		 */
-		if (!mb->sm_use_count) {
-			DB_GEN("free SMbuf: mb = %x",(void *)mb,0,3) ;
-#ifndef	COMMON_MB_POOL
-			mb->sm_next = smc->os.hwm.mbuf_pool.mb_free ;
-			smc->os.hwm.mbuf_pool.mb_free = mb ;
-#else
-			mb->sm_next = mb_free ;
-			mb_free = mb ;
-#endif
-		}
-	}
-	else
-		SMT_PANIC(smc,HWM_E0003,HWM_E0003_MSG) ;
-}
-
-
-/*
- *	BEGIN_MANUAL_ENTRY(mac_drv_repair_descr)
- *	void mac_drv_repair_descr(smc)
- *
- * function	called from SMT	(HWM / hwmtm.c)
- *		The BMU is idle when this function is called.
- *		Mac_drv_repair_descr sets up the physical address
- *		for all receive and transmit queues where the BMU
- *		should continue.
- *		It may be that the BMU was reseted during a fragmented
- *		transfer. In this case there are some fragments which will
- *		never completed by the BMU. The OWN bit of this fragments
- *		must be switched to be owned by the host.
- *
- *		Give a start command to the receive BMU.
- *		Start the transmit BMUs if transmit frames pending.
- *
- *	END_MANUAL_ENTRY
- */
-void mac_drv_repair_descr(struct s_smc *smc)
-{
-	u_long	phys ;
-
-	if (smc->hw.hw_state != STOPPED) {
-		SK_BREAK() ;
-		SMT_PANIC(smc,HWM_E0013,HWM_E0013_MSG) ;
-		return ;
-	}
-
-	/*
-	 * repair tx queues: don't start
-	 */
-	phys = repair_txd_ring(smc,smc->hw.fp.tx[QUEUE_A0]) ;
-	outpd(ADDR(B5_XA_DA),phys) ;
-	if (smc->hw.fp.tx_q[QUEUE_A0].tx_used) {
-		outpd(ADDR(B0_XA_CSR),CSR_START) ;
-	}
-	phys = repair_txd_ring(smc,smc->hw.fp.tx[QUEUE_S]) ;
-	outpd(ADDR(B5_XS_DA),phys) ;
-	if (smc->hw.fp.tx_q[QUEUE_S].tx_used) {
-		outpd(ADDR(B0_XS_CSR),CSR_START) ;
-	}
-
-	/*
-	 * repair rx queues
-	 */
-	phys = repair_rxd_ring(smc,smc->hw.fp.rx[QUEUE_R1]) ;
-	outpd(ADDR(B4_R1_DA),phys) ;
-	outpd(ADDR(B0_R1_CSR),CSR_START) ;
-}
-
-static u_long repair_txd_ring(struct s_smc *smc, struct s_smt_tx_queue *queue)
-{
-	int i ;
-	int tx_used ;
-	u_long phys ;
-	u_long tbctrl ;
-	struct s_smt_fp_txd volatile *t ;
-
-	SK_UNUSED(smc) ;
-
-	t = queue->tx_curr_get ;
-	tx_used = queue->tx_used ;
-	for (i = tx_used+queue->tx_free-1 ; i ; i-- ) {
-		t = t->txd_next ;
-	}
-	phys = le32_to_cpu(t->txd_ntdadr) ;
-
-	t = queue->tx_curr_get ;
-	while (tx_used) {
-		DRV_BUF_FLUSH(t,DDI_DMA_SYNC_FORCPU) ;
-		tbctrl = le32_to_cpu(t->txd_tbctrl) ;
-
-		if (tbctrl & BMU_OWN) {
-			if (tbctrl & BMU_STF) {
-				break ;		/* exit the loop */
-			}
-			else {
-				/*
-				 * repair the descriptor
-				 */
-				t->txd_tbctrl &= ~cpu_to_le32(BMU_OWN) ;
-			}
-		}
-		phys = le32_to_cpu(t->txd_ntdadr) ;
-		DRV_BUF_FLUSH(t,DDI_DMA_SYNC_FORDEV) ;
-		t = t->txd_next ;
-		tx_used-- ;
-	}
-	return phys;
-}
-
-/*
- * Repairs the receive descriptor ring and returns the physical address
- * where the BMU should continue working.
- *
- *	o The physical address where the BMU was stopped has to be
- *	  determined. This is the next RxD after rx_curr_get with an OWN
- *	  bit set.
- *	o The BMU should start working at beginning of the next frame.
- *	  RxDs with an OWN bit set but with a reset STF bit should be
- *	  skipped and owned by the driver (OWN = 0). 
- */
-static u_long repair_rxd_ring(struct s_smc *smc, struct s_smt_rx_queue *queue)
-{
-	int i ;
-	int rx_used ;
-	u_long phys ;
-	u_long rbctrl ;
-	struct s_smt_fp_rxd volatile *r ;
-
-	SK_UNUSED(smc) ;
-
-	r = queue->rx_curr_get ;
-	rx_used = queue->rx_used ;
-	for (i = SMT_R1_RXD_COUNT-1 ; i ; i-- ) {
-		r = r->rxd_next ;
-	}
-	phys = le32_to_cpu(r->rxd_nrdadr) ;
-
-	r = queue->rx_curr_get ;
-	while (rx_used) {
-		DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORCPU) ;
-		rbctrl = le32_to_cpu(r->rxd_rbctrl) ;
-
-		if (rbctrl & BMU_OWN) {
-			if (rbctrl & BMU_STF) {
-				break ;		/* exit the loop */
-			}
-			else {
-				/*
-				 * repair the descriptor
-				 */
-				r->rxd_rbctrl &= ~cpu_to_le32(BMU_OWN) ;
-			}
-		}
-		phys = le32_to_cpu(r->rxd_nrdadr) ;
-		DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORDEV) ;
-		r = r->rxd_next ;
-		rx_used-- ;
-	}
-	return phys;
-}
-
-
-/*
-	-------------------------------------------------------------
-	INTERRUPT SERVICE ROUTINE:
-	-------------------------------------------------------------
-*/
-
-/*
- *	BEGIN_MANUAL_ENTRY(fddi_isr)
- *	void fddi_isr(smc)
- *
- * function	DOWNCALL	(drvsr.c)
- *		interrupt service routine, handles the interrupt requests
- *		generated by the FDDI adapter.
- *
- * NOTE:	The operating system dependent module must guarantee that the
- *		interrupts of the adapter are disabled when it calls fddi_isr.
- *
- *	About the USE_BREAK_ISR mechanismn:
- *
- *	The main requirement of this mechanismn is to force an timer IRQ when
- *	leaving process_receive() with leave_isr set. process_receive() may
- *	be called at any time from anywhere!
- *	To be sure we don't miss such event we set 'force_irq' per default.
- *	We have to force and Timer IRQ if 'smc->os.hwm.leave_isr' AND
- *	'force_irq' are set. 'force_irq' may be reset if a receive complete
- *	IRQ is pending.
- *
- *	END_MANUAL_ENTRY
- */
-void fddi_isr(struct s_smc *smc)
-{
-	u_long		is ;		/* ISR source */
-	u_short		stu, stl ;
-	SMbuf		*mb ;
-
-#ifdef	USE_BREAK_ISR
-	int	force_irq ;
-#endif
-
-#ifdef	ODI2
-	if (smc->os.hwm.rx_break) {
-		mac_drv_fill_rxd(smc) ;
-		if (smc->hw.fp.rx_q[QUEUE_R1].rx_used > 0) {
-			smc->os.hwm.rx_break = 0 ;
-			process_receive(smc) ;
-		}
-		else {
-			smc->os.hwm.detec_count = 0 ;
-			smt_force_irq(smc) ;
-		}
-	}
-#endif
-	smc->os.hwm.isr_flag = TRUE ;
-
-#ifdef	USE_BREAK_ISR
-	force_irq = TRUE ;
-	if (smc->os.hwm.leave_isr) {
-		smc->os.hwm.leave_isr = FALSE ;
-		process_receive(smc) ;
-	}
-#endif
-
-	while ((is = GET_ISR() & ISR_MASK)) {
-		NDD_TRACE("CH0B",is,0,0) ;
-		DB_GEN("ISA = 0x%x",is,0,7) ;
-
-		if (is & IMASK_SLOW) {
-			NDD_TRACE("CH1b",is,0,0) ;
-			if (is & IS_PLINT1) {	/* PLC1 */
-				plc1_irq(smc) ;
-			}
-			if (is & IS_PLINT2) {	/* PLC2 */
-				plc2_irq(smc) ;
-			}
-			if (is & IS_MINTR1) {	/* FORMAC+ STU1(U/L) */
-				stu = inpw(FM_A(FM_ST1U)) ;
-				stl = inpw(FM_A(FM_ST1L)) ;
-				DB_GEN("Slow transmit complete",0,0,6) ;
-				mac1_irq(smc,stu,stl) ;
-			}
-			if (is & IS_MINTR2) {	/* FORMAC+ STU2(U/L) */
-				stu= inpw(FM_A(FM_ST2U)) ;
-				stl= inpw(FM_A(FM_ST2L)) ;
-				DB_GEN("Slow receive complete",0,0,6) ;
-				DB_GEN("stl = %x : stu = %x",stl,stu,7) ;
-				mac2_irq(smc,stu,stl) ;
-			}
-			if (is & IS_MINTR3) {	/* FORMAC+ STU3(U/L) */
-				stu= inpw(FM_A(FM_ST3U)) ;
-				stl= inpw(FM_A(FM_ST3L)) ;
-				DB_GEN("FORMAC Mode Register 3",0,0,6) ;
-				mac3_irq(smc,stu,stl) ;
-			}
-			if (is & IS_TIMINT) {	/* Timer 82C54-2 */
-				timer_irq(smc) ;
-#ifdef	NDIS_OS2
-				force_irq_pending = 0 ;
-#endif
-				/*
-				 * out of RxD detection
-				 */
-				if (++smc->os.hwm.detec_count > 4) {
-					/*
-					 * check out of RxD condition
-					 */
-					 process_receive(smc) ;
-				}
-			}
-			if (is & IS_TOKEN) {	/* Restricted Token Monitor */
-				rtm_irq(smc) ;
-			}
-			if (is & IS_R1_P) {	/* Parity error rx queue 1 */
-				/* clear IRQ */
-				outpd(ADDR(B4_R1_CSR),CSR_IRQ_CL_P) ;
-				SMT_PANIC(smc,HWM_E0004,HWM_E0004_MSG) ;
-			}
-			if (is & IS_R1_C) {	/* Encoding error rx queue 1 */
-				/* clear IRQ */
-				outpd(ADDR(B4_R1_CSR),CSR_IRQ_CL_C) ;
-				SMT_PANIC(smc,HWM_E0005,HWM_E0005_MSG) ;
-			}
-			if (is & IS_XA_C) {	/* Encoding error async tx q */
-				/* clear IRQ */
-				outpd(ADDR(B5_XA_CSR),CSR_IRQ_CL_C) ;
-				SMT_PANIC(smc,HWM_E0006,HWM_E0006_MSG) ;
-			}
-			if (is & IS_XS_C) {	/* Encoding error sync tx q */
-				/* clear IRQ */
-				outpd(ADDR(B5_XS_CSR),CSR_IRQ_CL_C) ;
-				SMT_PANIC(smc,HWM_E0007,HWM_E0007_MSG) ;
-			}
-		}
-
-		/*
-		 *	Fast Tx complete Async/Sync Queue (BMU service)
-		 */
-		if (is & (IS_XS_F|IS_XA_F)) {
-			DB_GEN("Fast tx complete queue",0,0,6) ;
-			/*
-			 * clear IRQ, Note: no IRQ is lost, because
-			 * 	we always service both queues
-			 */
-			outpd(ADDR(B5_XS_CSR),CSR_IRQ_CL_F) ;
-			outpd(ADDR(B5_XA_CSR),CSR_IRQ_CL_F) ;
-			mac_drv_clear_txd(smc) ;
-			llc_restart_tx(smc) ;
-		}
-
-		/*
-		 *	Fast Rx Complete (BMU service)
-		 */
-		if (is & IS_R1_F) {
-			DB_GEN("Fast receive complete",0,0,6) ;
-			/* clear IRQ */
-#ifndef USE_BREAK_ISR
-			outpd(ADDR(B4_R1_CSR),CSR_IRQ_CL_F) ;
-			process_receive(smc) ;
-#else
-			process_receive(smc) ;
-			if (smc->os.hwm.leave_isr) {
-				force_irq = FALSE ;
-			} else {
-				outpd(ADDR(B4_R1_CSR),CSR_IRQ_CL_F) ;
-				process_receive(smc) ;
-			}
-#endif
-		}
-
-#ifndef	NDIS_OS2
-		while ((mb = get_llc_rx(smc))) {
-			smt_to_llc(smc,mb) ;
-		}
-#else
-		if (offDepth)
-			post_proc() ;
-
-		while (!offDepth && (mb = get_llc_rx(smc))) {
-			smt_to_llc(smc,mb) ;
-		}
-
-		if (!offDepth && smc->os.hwm.rx_break) {
-			process_receive(smc) ;
-		}
-#endif
-		if (smc->q.ev_get != smc->q.ev_put) {
-			NDD_TRACE("CH2a",0,0,0) ;
-			ev_dispatcher(smc) ;
-		}
-#ifdef	NDIS_OS2
-		post_proc() ;
-		if (offDepth) {		/* leave fddi_isr because */
-			break ;		/* indications not allowed */
-		}
-#endif
-#ifdef	USE_BREAK_ISR
-		if (smc->os.hwm.leave_isr) {
-			break ;		/* leave fddi_isr */
-		}
-#endif
-
-		/* NOTE: when the isr is left, no rx is pending */
-	}	/* end of interrupt source polling loop */
-
-#ifdef	USE_BREAK_ISR
-	if (smc->os.hwm.leave_isr && force_irq) {
-		smt_force_irq(smc) ;
-	}
-#endif
-	smc->os.hwm.isr_flag = FALSE ;
-	NDD_TRACE("CH0E",0,0,0) ;
-}
-
-
-/*
-	-------------------------------------------------------------
-	RECEIVE FUNCTIONS:
-	-------------------------------------------------------------
-*/
-
-#ifndef	NDIS_OS2
-/*
- *	BEGIN_MANUAL_ENTRY(mac_drv_rx_mode)
- *	void mac_drv_rx_mode(smc,mode)
- *
- * function	DOWNCALL	(fplus.c)
- *		Corresponding to the parameter mode, the operating system
- *		dependent module can activate several receive modes.
- *
- * para	mode	= 1:	RX_ENABLE_ALLMULTI	enable all multicasts
- *		= 2:	RX_DISABLE_ALLMULTI	disable "enable all multicasts"
- *		= 3:	RX_ENABLE_PROMISC	enable promiscuous
- *		= 4:	RX_DISABLE_PROMISC	disable promiscuous
- *		= 5:	RX_ENABLE_NSA		enable rec. of all NSA frames
- *			(disabled after 'driver reset' & 'set station address')
- *		= 6:	RX_DISABLE_NSA		disable rec. of all NSA frames
- *
- *		= 21:	RX_ENABLE_PASS_SMT	( see description )
- *		= 22:	RX_DISABLE_PASS_SMT	(  "	   "	  )
- *		= 23:	RX_ENABLE_PASS_NSA	(  "	   "	  )
- *		= 24:	RX_DISABLE_PASS_NSA	(  "	   "	  )
- *		= 25:	RX_ENABLE_PASS_DB	(  "	   "	  )
- *		= 26:	RX_DISABLE_PASS_DB	(  "	   "	  )
- *		= 27:	RX_DISABLE_PASS_ALL	(  "	   "	  )
- *		= 28:	RX_DISABLE_LLC_PROMISC	(  "	   "	  )
- *		= 29:	RX_ENABLE_LLC_PROMISC	(  "	   "	  )
- *
- *
- *		RX_ENABLE_PASS_SMT / RX_DISABLE_PASS_SMT
- *
- *		If the operating system dependent module activates the
- *		mode RX_ENABLE_PASS_SMT, the hardware module
- *		duplicates all SMT frames with the frame control
- *		FC_SMT_INFO and passes them to the LLC receive channel
- *		by calling mac_drv_rx_init.
- *		The SMT Frames which are sent by the local SMT and the NSA
- *		frames whose A- and C-Indicator is not set are also duplicated
- *		and passed.
- *		The receive mode RX_DISABLE_PASS_SMT disables the passing
- *		of SMT frames.
- *
- *		RX_ENABLE_PASS_NSA / RX_DISABLE_PASS_NSA
- *
- *		If the operating system dependent module activates the
- *		mode RX_ENABLE_PASS_NSA, the hardware module
- *		duplicates all NSA frames with frame control FC_SMT_NSA
- *		and a set A-Indicator and passed them to the LLC
- *		receive channel by calling mac_drv_rx_init.
- *		All NSA Frames which are sent by the local SMT
- *		are also duplicated and passed.
- *		The receive mode RX_DISABLE_PASS_NSA disables the passing
- *		of NSA frames with the A- or C-Indicator set.
- *
- * NOTE:	For fear that the hardware module receives NSA frames with
- *		a reset A-Indicator, the operating system dependent module
- *		has to call mac_drv_rx_mode with the mode RX_ENABLE_NSA
- *		before activate the RX_ENABLE_PASS_NSA mode and after every
- *		'driver reset' and 'set station address'.
- *
- *		RX_ENABLE_PASS_DB / RX_DISABLE_PASS_DB
- *
- *		If the operating system dependent module activates the
- *		mode RX_ENABLE_PASS_DB, direct BEACON frames
- *		(FC_BEACON frame control) are passed to the LLC receive
- *		channel by mac_drv_rx_init.
- *		The receive mode RX_DISABLE_PASS_DB disables the passing
- *		of direct BEACON frames.
- *
- *		RX_DISABLE_PASS_ALL
- *
- *		Disables all special receives modes. It is equal to
- *		call mac_drv_set_rx_mode successively with the
- *		parameters RX_DISABLE_NSA, RX_DISABLE_PASS_SMT,
- *		RX_DISABLE_PASS_NSA and RX_DISABLE_PASS_DB.
- *
- *		RX_ENABLE_LLC_PROMISC
- *
- *		(default) all received LLC frames and all SMT/NSA/DBEACON
- *		frames depending on the attitude of the flags
- *		PASS_SMT/PASS_NSA/PASS_DBEACON will be delivered to the
- *		LLC layer
- *
- *		RX_DISABLE_LLC_PROMISC
- *
- *		all received SMT/NSA/DBEACON frames depending on the
- *		attitude of the flags PASS_SMT/PASS_NSA/PASS_DBEACON
- *		will be delivered to the LLC layer.
- *		all received LLC frames with a directed address, Multicast
- *		or Broadcast address will be delivered to the LLC
- *		layer too.
- *
- *	END_MANUAL_ENTRY
- */
-void mac_drv_rx_mode(struct s_smc *smc, int mode)
-{
-	switch(mode) {
-	case RX_ENABLE_PASS_SMT:
-		smc->os.hwm.pass_SMT = TRUE ;
-		break ;
-	case RX_DISABLE_PASS_SMT:
-		smc->os.hwm.pass_SMT = FALSE ;
-		break ;
-	case RX_ENABLE_PASS_NSA:
-		smc->os.hwm.pass_NSA = TRUE ;
-		break ;
-	case RX_DISABLE_PASS_NSA:
-		smc->os.hwm.pass_NSA = FALSE ;
-		break ;
-	case RX_ENABLE_PASS_DB:
-		smc->os.hwm.pass_DB = TRUE ;
-		break ;
-	case RX_DISABLE_PASS_DB:
-		smc->os.hwm.pass_DB = FALSE ;
-		break ;
-	case RX_DISABLE_PASS_ALL:
-		smc->os.hwm.pass_SMT = smc->os.hwm.pass_NSA = FALSE ;
-		smc->os.hwm.pass_DB = FALSE ;
-		smc->os.hwm.pass_llc_promisc = TRUE ;
-		mac_set_rx_mode(smc,RX_DISABLE_NSA) ;
-		break ;
-	case RX_DISABLE_LLC_PROMISC:
-		smc->os.hwm.pass_llc_promisc = FALSE ;
-		break ;
-	case RX_ENABLE_LLC_PROMISC:
-		smc->os.hwm.pass_llc_promisc = TRUE ;
-		break ;
-	case RX_ENABLE_ALLMULTI:
-	case RX_DISABLE_ALLMULTI:
-	case RX_ENABLE_PROMISC:
-	case RX_DISABLE_PROMISC:
-	case RX_ENABLE_NSA:
-	case RX_DISABLE_NSA:
-	default:
-		mac_set_rx_mode(smc,mode) ;
-		break ;
-	}
-}
-#endif	/* ifndef NDIS_OS2 */
-
-/*
- * process receive queue
- */
-void process_receive(struct s_smc *smc)
-{
-	int i ;
-	int n ;
-	int frag_count ;		/* number of RxDs of the curr rx buf */
-	int used_frags ;		/* number of RxDs of the curr frame */
-	struct s_smt_rx_queue *queue ;	/* points to the queue ctl struct */
-	struct s_smt_fp_rxd volatile *r ;	/* rxd pointer */
-	struct s_smt_fp_rxd volatile *rxd ;	/* first rxd of rx frame */
-	u_long rbctrl ;			/* receive buffer control word */
-	u_long rfsw ;			/* receive frame status word */
-	u_short rx_used ;
-	u_char far *virt ;
-	char far *data ;
-	SMbuf *mb ;
-	u_char fc ;			/* Frame control */
-	int len ;			/* Frame length */
-
-	smc->os.hwm.detec_count = 0 ;
-	queue = smc->hw.fp.rx[QUEUE_R1] ;
-	NDD_TRACE("RHxB",0,0,0) ;
-	for ( ; ; ) {
-		r = queue->rx_curr_get ;
-		rx_used = queue->rx_used ;
-		frag_count = 0 ;
-
-#ifdef	USE_BREAK_ISR
-		if (smc->os.hwm.leave_isr) {
-			goto rx_end ;
-		}
-#endif
-#ifdef	NDIS_OS2
-		if (offDepth) {
-			smc->os.hwm.rx_break = 1 ;
-			goto rx_end ;
-		}
-		smc->os.hwm.rx_break = 0 ;
-#endif
-#ifdef	ODI2
-		if (smc->os.hwm.rx_break) {
-			goto rx_end ;
-		}
-#endif
-		n = 0 ;
-		do {
-			DB_RX("Check RxD %x for OWN and EOF",(void *)r,0,5) ;
-			DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORCPU) ;
-			rbctrl = le32_to_cpu(CR_READ(r->rxd_rbctrl));
-
-			if (rbctrl & BMU_OWN) {
-				NDD_TRACE("RHxE",r,rfsw,rbctrl) ;
-				DB_RX("End of RxDs",0,0,4) ;
-				goto rx_end ;
-			}
-			/*
-			 * out of RxD detection
-			 */
-			if (!rx_used) {
-				SK_BREAK() ;
-				SMT_PANIC(smc,HWM_E0009,HWM_E0009_MSG) ;
-				/* Either we don't have an RxD or all
-				 * RxDs are filled. Therefore it's allowed
-				 * for to set the STOPPED flag */
-				smc->hw.hw_state = STOPPED ;
-				mac_drv_clear_rx_queue(smc) ;
-				smc->hw.hw_state = STARTED ;
-				mac_drv_fill_rxd(smc) ;
-				smc->os.hwm.detec_count = 0 ;
-				goto rx_end ;
-			}
-			rfsw = le32_to_cpu(r->rxd_rfsw) ;
-			if ((rbctrl & BMU_STF) != ((rbctrl & BMU_ST_BUF) <<5)) {
-				/*
-				 * The BMU_STF bit is deleted, 1 frame is
-				 * placed into more than 1 rx buffer
-				 *
-				 * skip frame by setting the rx len to 0
-				 *
-				 * if fragment count == 0
-				 *	The missing STF bit belongs to the
-				 *	current frame, search for the
-				 *	EOF bit to complete the frame
-				 * else
-				 *	the fragment belongs to the next frame,
-				 *	exit the loop and process the frame
-				 */
-				SK_BREAK() ;
-				rfsw = 0 ;
-				if (frag_count) {
-					break ;
-				}
-			}
-			n += rbctrl & 0xffff ;
-			r = r->rxd_next ;
-			frag_count++ ;
-			rx_used-- ;
-		} while (!(rbctrl & BMU_EOF)) ;
-		used_frags = frag_count ;
-		DB_RX("EOF set in RxD, used_frags = %d ",used_frags,0,5) ;
-
-		/* may be next 2 DRV_BUF_FLUSH() can be skipped, because */
-		/* BMU_ST_BUF will not be changed by the ASIC */
-		DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORCPU) ;
-		while (rx_used && !(r->rxd_rbctrl & cpu_to_le32(BMU_ST_BUF))) {
-			DB_RX("Check STF bit in %x",(void *)r,0,5) ;
-			r = r->rxd_next ;
-			DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORCPU) ;
-			frag_count++ ;
-			rx_used-- ;
-		}
-		DB_RX("STF bit found",0,0,5) ;
-
-		/*
-		 * The received frame is finished for the process receive
-		 */
-		rxd = queue->rx_curr_get ;
-		queue->rx_curr_get = r ;
-		queue->rx_free += frag_count ;
-		queue->rx_used = rx_used ;
-
-		/*
-		 * ASIC Errata no. 7 (STF - Bit Bug)
-		 */
-		rxd->rxd_rbctrl &= cpu_to_le32(~BMU_STF) ;
-
-		for (r=rxd, i=frag_count ; i ; r=r->rxd_next, i--){
-			DB_RX("dma_complete for RxD %x",(void *)r,0,5) ;
-			dma_complete(smc,(union s_fp_descr volatile *)r,DMA_WR);
-		}
-		smc->hw.fp.err_stats.err_valid++ ;
-		smc->mib.m[MAC0].fddiMACCopied_Ct++ ;
-
-		/* the length of the data including the FC */
-		len = (rfsw & RD_LENGTH) - 4 ;
-
-		DB_RX("frame length = %d",len,0,4) ;
-		/*
-		 * check the frame_length and all error flags
-		 */
-		if (rfsw & (RX_MSRABT|RX_FS_E|RX_FS_CRC|RX_FS_IMPL)){
-			if (rfsw & RD_S_MSRABT) {
-				DB_RX("Frame aborted by the FORMAC",0,0,2) ;
-				smc->hw.fp.err_stats.err_abort++ ;
-			}
-			/*
-			 * check frame status
-			 */
-			if (rfsw & RD_S_SEAC2) {
-				DB_RX("E-Indicator set",0,0,2) ;
-				smc->hw.fp.err_stats.err_e_indicator++ ;
-			}
-			if (rfsw & RD_S_SFRMERR) {
-				DB_RX("CRC error",0,0,2) ;
-				smc->hw.fp.err_stats.err_crc++ ;
-			}
-			if (rfsw & RX_FS_IMPL) {
-				DB_RX("Implementer frame",0,0,2) ;
-				smc->hw.fp.err_stats.err_imp_frame++ ;
-			}
-			goto abort_frame ;
-		}
-		if (len > FDDI_RAW_MTU-4) {
-			DB_RX("Frame too long error",0,0,2) ;
-			smc->hw.fp.err_stats.err_too_long++ ;
-			goto abort_frame ;
-		}
-		/*
-		 * SUPERNET 3 Bug: FORMAC delivers status words
-		 * of aborded frames to the BMU
-		 */
-		if (len <= 4) {
-			DB_RX("Frame length = 0",0,0,2) ;
-			goto abort_frame ;
-		}
-
-		if (len != (n-4)) {
-			DB_RX("BMU: rx len differs: [%d:%d]",len,n,4);
-			smc->os.hwm.rx_len_error++ ;
-			goto abort_frame ;
-		}
-
-		/*
-		 * Check SA == MA
-		 */
-		virt = (u_char far *) rxd->rxd_virt ;
-		DB_RX("FC = %x",*virt,0,2) ;
-		if (virt[12] == MA[5] &&
-		    virt[11] == MA[4] &&
-		    virt[10] == MA[3] &&
-		    virt[9] == MA[2] &&
-		    virt[8] == MA[1] &&
-		    (virt[7] & ~GROUP_ADDR_BIT) == MA[0]) {
-			goto abort_frame ;
-		}
-
-		/*
-		 * test if LLC frame
-		 */
-		if (rfsw & RX_FS_LLC) {
-			/*
-			 * if pass_llc_promisc is disable
-			 *	if DA != Multicast or Broadcast or DA!=MA
-			 *		abort the frame
-			 */
-			if (!smc->os.hwm.pass_llc_promisc) {
-				if(!(virt[1] & GROUP_ADDR_BIT)) {
-					if (virt[6] != MA[5] ||
-					    virt[5] != MA[4] ||
-					    virt[4] != MA[3] ||
-					    virt[3] != MA[2] ||
-					    virt[2] != MA[1] ||
-					    virt[1] != MA[0]) {
-						DB_RX("DA != MA and not multi- or broadcast",0,0,2) ;
-						goto abort_frame ;
-					}
-				}
-			}
-
-			/*
-			 * LLC frame received
-			 */
-			DB_RX("LLC - receive",0,0,4) ;
-			mac_drv_rx_complete(smc,rxd,frag_count,len) ;
-		}
-		else {
-			if (!(mb = smt_get_mbuf(smc))) {
-				smc->hw.fp.err_stats.err_no_buf++ ;
-				DB_RX("No SMbuf; receive terminated",0,0,4) ;
-				goto abort_frame ;
-			}
-			data = smtod(mb,char *) - 1 ;
-
-			/*
-			 * copy the frame into a SMT_MBuf
-			 */
-#ifdef USE_OS_CPY
-			hwm_cpy_rxd2mb(rxd,data,len) ;
-#else
-			for (r=rxd, i=used_frags ; i ; r=r->rxd_next, i--){
-				n = le32_to_cpu(r->rxd_rbctrl) & RD_LENGTH ;
-				DB_RX("cp SMT frame to mb: len = %d",n,0,6) ;
-				memcpy(data,r->rxd_virt,n) ;
-				data += n ;
-			}
-			data = smtod(mb,char *) - 1 ;
-#endif
-			fc = *(char *)mb->sm_data = *data ;
-			mb->sm_len = len - 1 ;		/* len - fc */
-			data++ ;
-
-			/*
-			 * SMT frame received
-			 */
-			switch(fc) {
-			case FC_SMT_INFO :
-				smc->hw.fp.err_stats.err_smt_frame++ ;
-				DB_RX("SMT frame received ",0,0,5) ;
-
-				if (smc->os.hwm.pass_SMT) {
-					DB_RX("pass SMT frame ",0,0,5) ;
-					mac_drv_rx_complete(smc, rxd,
-						frag_count,len) ;
-				}
-				else {
-					DB_RX("requeue RxD",0,0,5) ;
-					mac_drv_requeue_rxd(smc,rxd,frag_count);
-				}
-
-				smt_received_pack(smc,mb,(int)(rfsw>>25)) ;
-				break ;
-			case FC_SMT_NSA :
-				smc->hw.fp.err_stats.err_smt_frame++ ;
-				DB_RX("SMT frame received ",0,0,5) ;
-
-				/* if pass_NSA set pass the NSA frame or */
-				/* pass_SMT set and the A-Indicator */
-				/* is not set, pass the NSA frame */
-				if (smc->os.hwm.pass_NSA ||
-					(smc->os.hwm.pass_SMT &&
-					!(rfsw & A_INDIC))) {
-					DB_RX("pass SMT frame ",0,0,5) ;
-					mac_drv_rx_complete(smc, rxd,
-						frag_count,len) ;
-				}
-				else {
-					DB_RX("requeue RxD",0,0,5) ;
-					mac_drv_requeue_rxd(smc,rxd,frag_count);
-				}
-
-				smt_received_pack(smc,mb,(int)(rfsw>>25)) ;
-				break ;
-			case FC_BEACON :
-				if (smc->os.hwm.pass_DB) {
-					DB_RX("pass DB frame ",0,0,5) ;
-					mac_drv_rx_complete(smc, rxd,
-						frag_count,len) ;
-				}
-				else {
-					DB_RX("requeue RxD",0,0,5) ;
-					mac_drv_requeue_rxd(smc,rxd,frag_count);
-				}
-				smt_free_mbuf(smc,mb) ;
-				break ;
-			default :
-				/*
-				 * unknown FC abord the frame
-				 */
-				DB_RX("unknown FC error",0,0,2) ;
-				smt_free_mbuf(smc,mb) ;
-				DB_RX("requeue RxD",0,0,5) ;
-				mac_drv_requeue_rxd(smc,rxd,frag_count) ;
-				if ((fc & 0xf0) == FC_MAC)
-					smc->hw.fp.err_stats.err_mac_frame++ ;
-				else
-					smc->hw.fp.err_stats.err_imp_frame++ ;
-
-				break ;
-			}
-		}
-
-		DB_RX("next RxD is %x ",queue->rx_curr_get,0,3) ;
-		NDD_TRACE("RHx1",queue->rx_curr_get,0,0) ;
-
-		continue ;
-	/*--------------------------------------------------------------------*/
-abort_frame:
-		DB_RX("requeue RxD",0,0,5) ;
-		mac_drv_requeue_rxd(smc,rxd,frag_count) ;
-
-		DB_RX("next RxD is %x ",queue->rx_curr_get,0,3) ;
-		NDD_TRACE("RHx2",queue->rx_curr_get,0,0) ;
-	}
-rx_end:
-#ifdef	ALL_RX_COMPLETE
-	mac_drv_all_receives_complete(smc) ;
-#endif
-	return ;	/* lint bug: needs return detect end of function */
-}
-
-static void smt_to_llc(struct s_smc *smc, SMbuf *mb)
-{
-	u_char	fc ;
-
-	DB_RX("send a queued frame to the llc layer",0,0,4) ;
-	smc->os.hwm.r.len = mb->sm_len ;
-	smc->os.hwm.r.mb_pos = smtod(mb,char *) ;
-	fc = *smc->os.hwm.r.mb_pos ;
-	(void)mac_drv_rx_init(smc,(int)mb->sm_len,(int)fc,
-		smc->os.hwm.r.mb_pos,(int)mb->sm_len) ;
-	smt_free_mbuf(smc,mb) ;
-}
-
-/*
- *	BEGIN_MANUAL_ENTRY(hwm_rx_frag)
- *	void hwm_rx_frag(smc,virt,phys,len,frame_status)
- *
- * function	MACRO		(hardware module, hwmtm.h)
- *		This function calls dma_master for preparing the
- *		system hardware for the DMA transfer and initializes
- *		the current RxD with the length and the physical and
- *		virtual address of the fragment. Furthermore, it sets the
- *		STF and EOF bits depending on the frame status byte,
- *		switches the OWN flag of the RxD, so that it is owned by the
- *		adapter and issues an rx_start.
- *
- * para	virt	virtual pointer to the fragment
- *	len	the length of the fragment
- *	frame_status	status of the frame, see design description
- *
- * NOTE:	It is possible to call this function with a fragment length
- *		of zero.
- *
- *	END_MANUAL_ENTRY
- */
-void hwm_rx_frag(struct s_smc *smc, char far *virt, u_long phys, int len,
-		 int frame_status)
-{
-	struct s_smt_fp_rxd volatile *r ;
-	__le32	rbctrl;
-
-	NDD_TRACE("RHfB",virt,len,frame_status) ;
-	DB_RX("hwm_rx_frag: len = %d, frame_status = %x\n",len,frame_status,2) ;
-	r = smc->hw.fp.rx_q[QUEUE_R1].rx_curr_put ;
-	r->rxd_virt = virt ;
-	r->rxd_rbadr = cpu_to_le32(phys) ;
-	rbctrl = cpu_to_le32( (((__u32)frame_status &
-		(FIRST_FRAG|LAST_FRAG))<<26) |
-		(((u_long) frame_status & FIRST_FRAG) << 21) |
-		BMU_OWN | BMU_CHECK | BMU_EN_IRQ_EOF | len) ;
-	r->rxd_rbctrl = rbctrl ;
-
-	DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORDEV) ;
-	outpd(ADDR(B0_R1_CSR),CSR_START) ;
-	smc->hw.fp.rx_q[QUEUE_R1].rx_free-- ;
-	smc->hw.fp.rx_q[QUEUE_R1].rx_used++ ;
-	smc->hw.fp.rx_q[QUEUE_R1].rx_curr_put = r->rxd_next ;
-	NDD_TRACE("RHfE",r,le32_to_cpu(r->rxd_rbadr),0) ;
-}
-
-/*
- *	BEGINN_MANUAL_ENTRY(mac_drv_clear_rx_queue)
- *
- * void mac_drv_clear_rx_queue(smc)
- * struct s_smc *smc ;
- *
- * function	DOWNCALL	(hardware module, hwmtm.c)
- *		mac_drv_clear_rx_queue is called by the OS-specific module
- *		after it has issued a card_stop.
- *		In this case, the frames in the receive queue are obsolete and
- *		should be removed. For removing mac_drv_clear_rx_queue
- *		calls dma_master for each RxD and mac_drv_clear_rxd for each
- *		receive buffer.
- *
- * NOTE:	calling sequence card_stop:
- *		CLI_FBI(), card_stop(),
- *		mac_drv_clear_tx_queue(), mac_drv_clear_rx_queue(),
- *
- * NOTE:	The caller is responsible that the BMUs are idle
- *		when this function is called.
- *
- *	END_MANUAL_ENTRY
- */
-void mac_drv_clear_rx_queue(struct s_smc *smc)
-{
-	struct s_smt_fp_rxd volatile *r ;
-	struct s_smt_fp_rxd volatile *next_rxd ;
-	struct s_smt_rx_queue *queue ;
-	int frag_count ;
-	int i ;
-
-	if (smc->hw.hw_state != STOPPED) {
-		SK_BREAK() ;
-		SMT_PANIC(smc,HWM_E0012,HWM_E0012_MSG) ;
-		return ;
-	}
-
-	queue = smc->hw.fp.rx[QUEUE_R1] ;
-	DB_RX("clear_rx_queue",0,0,5) ;
-
-	/*
-	 * dma_complete and mac_drv_clear_rxd for all RxDs / receive buffers
-	 */
-	r = queue->rx_curr_get ;
-	while (queue->rx_used) {
-		DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORCPU) ;
-		DB_RX("switch OWN bit of RxD 0x%x ",r,0,5) ;
-		r->rxd_rbctrl &= ~cpu_to_le32(BMU_OWN) ;
-		frag_count = 1 ;
-		DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORDEV) ;
-		r = r->rxd_next ;
-		DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORCPU) ;
-		while (r != queue->rx_curr_put &&
-			!(r->rxd_rbctrl & cpu_to_le32(BMU_ST_BUF))) {
-			DB_RX("Check STF bit in %x",(void *)r,0,5) ;
-			r->rxd_rbctrl &= ~cpu_to_le32(BMU_OWN) ;
-			DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORDEV) ;
-			r = r->rxd_next ;
-			DRV_BUF_FLUSH(r,DDI_DMA_SYNC_FORCPU) ;
-			frag_count++ ;
-		}
-		DB_RX("STF bit found",0,0,5) ;
-		next_rxd = r ;
-
-		for (r=queue->rx_curr_get,i=frag_count; i ; r=r->rxd_next,i--){
-			DB_RX("dma_complete for RxD %x",(void *)r,0,5) ;
-			dma_complete(smc,(union s_fp_descr volatile *)r,DMA_WR);
-		}
-
-		DB_RX("mac_drv_clear_rxd: RxD %x frag_count %d ",
-			(void *)queue->rx_curr_get,frag_count,5) ;
-		mac_drv_clear_rxd(smc,queue->rx_curr_get,frag_count) ;
-
-		queue->rx_curr_get = next_rxd ;
-		queue->rx_used -= frag_count ;
-		queue->rx_free += frag_count ;
-	}
-}
-
-
-/*
-	-------------------------------------------------------------
-	SEND FUNCTIONS:
-	-------------------------------------------------------------
-*/
-
-/*
- *	BEGIN_MANUAL_ENTRY(hwm_tx_init)
- *	int hwm_tx_init(smc,fc,frag_count,frame_len,frame_status)
- *
- * function	DOWN_CALL	(hardware module, hwmtm.c)
- *		hwm_tx_init checks if the frame can be sent through the
- *		corresponding send queue.
- *
- * para	fc	the frame control. To determine through which
- *		send queue the frame should be transmitted.
- *		0x50 - 0x57:	asynchronous LLC frame
- *		0xD0 - 0xD7:	synchronous LLC frame
- *		0x41, 0x4F:	SMT frame to the network
- *		0x42:		SMT frame to the network and to the local SMT
- *		0x43:		SMT frame to the local SMT
- *	frag_count	count of the fragments for this frame
- *	frame_len	length of the frame
- *	frame_status	status of the frame, the send queue bit is already
- *			specified
- *
- * return		frame_status
- *
- *	END_MANUAL_ENTRY
- */
-int hwm_tx_init(struct s_smc *smc, u_char fc, int frag_count, int frame_len,
-		int frame_status)
-{
-	NDD_TRACE("THiB",fc,frag_count,frame_len) ;
-	smc->os.hwm.tx_p = smc->hw.fp.tx[frame_status & QUEUE_A0] ;
-	smc->os.hwm.tx_descr = TX_DESCRIPTOR | (((u_long)(frame_len-1)&3)<<27) ;
-	smc->os.hwm.tx_len = frame_len ;
-	DB_TX("hwm_tx_init: fc = %x, len = %d",fc,frame_len,3) ;
-	if ((fc & ~(FC_SYNC_BIT|FC_LLC_PRIOR)) == FC_ASYNC_LLC) {
-		frame_status |= LAN_TX ;
-	}
-	else {
-		switch (fc) {
-		case FC_SMT_INFO :
-		case FC_SMT_NSA :
-			frame_status |= LAN_TX ;
-			break ;
-		case FC_SMT_LOC :
-			frame_status |= LOC_TX ;
-			break ;
-		case FC_SMT_LAN_LOC :
-			frame_status |= LAN_TX | LOC_TX ;
-			break ;
-		default :
-			SMT_PANIC(smc,HWM_E0010,HWM_E0010_MSG) ;
-		}
-	}
-	if (!smc->hw.mac_ring_is_up) {
-		frame_status &= ~LAN_TX ;
-		frame_status |= RING_DOWN ;
-		DB_TX("Ring is down: terminate LAN_TX",0,0,2) ;
-	}
-	if (frag_count > smc->os.hwm.tx_p->tx_free) {
-#ifndef	NDIS_OS2
-		mac_drv_clear_txd(smc) ;
-		if (frag_count > smc->os.hwm.tx_p->tx_free) {
-			DB_TX("Out of TxDs, terminate LAN_TX",0,0,2) ;
-			frame_status &= ~LAN_TX ;
-			frame_status |= OUT_OF_TXD ;
-		}
-#else
-		DB_TX("Out of TxDs, terminate LAN_TX",0,0,2) ;
-		frame_status &= ~LAN_TX ;
-		frame_status |= OUT_OF_TXD ;
-#endif
-	}
-	DB_TX("frame_status = %x",frame_status,0,3) ;
-	NDD_TRACE("THiE",frame_status,smc->os.hwm.tx_p->tx_free,0) ;
-	return frame_status;
-}
-
-/*
- *	BEGIN_MANUAL_ENTRY(hwm_tx_frag)
- *	void hwm_tx_frag(smc,virt,phys,len,frame_status)
- *
- * function	DOWNCALL	(hardware module, hwmtm.c)
- *		If the frame should be sent to the LAN, this function calls
- *		dma_master, fills the current TxD with the virtual and the
- *		physical address, sets the STF and EOF bits dependent on
- *		the frame status, and requests the BMU to start the
- *		transmit.
- *		If the frame should be sent to the local SMT, an SMT_MBuf
- *		is allocated if the FIRST_FRAG bit is set in the frame_status.
- *		The fragment of the frame is copied into the SMT MBuf.
- *		The function smt_received_pack is called if the LAST_FRAG
- *		bit is set in the frame_status word.
- *
- * para	virt	virtual pointer to the fragment
- *	len	the length of the fragment
- *	frame_status	status of the frame, see design description
- *
- * return	nothing returned, no parameter is modified
- *
- * NOTE:	It is possible to invoke this macro with a fragment length
- *		of zero.
- *
- *	END_MANUAL_ENTRY
- */
-void hwm_tx_frag(struct s_smc *smc, char far *virt, u_long phys, int len,
-		 int frame_status)
-{
-	struct s_smt_fp_txd volatile *t ;
-	struct s_smt_tx_queue *queue ;
-	__le32	tbctrl ;
-
-	queue = smc->os.hwm.tx_p ;
-
-	NDD_TRACE("THfB",virt,len,frame_status) ;
-	/* Bug fix: AF / May 31 1999 (#missing)
-	 * snmpinfo problem reported by IBM is caused by invalid
-	 * t-pointer (txd) if LAN_TX is not set but LOC_TX only.
-	 * Set: t = queue->tx_curr_put  here !
-	 */
-	t = queue->tx_curr_put ;
-
-	DB_TX("hwm_tx_frag: len = %d, frame_status = %x ",len,frame_status,2) ;
-	if (frame_status & LAN_TX) {
-		/* '*t' is already defined */
-		DB_TX("LAN_TX: TxD = %x, virt = %x ",t,virt,3) ;
-		t->txd_virt = virt ;
-		t->txd_txdscr = cpu_to_le32(smc->os.hwm.tx_descr) ;
-		t->txd_tbadr = cpu_to_le32(phys) ;
-		tbctrl = cpu_to_le32((((__u32)frame_status &
-			(FIRST_FRAG|LAST_FRAG|EN_IRQ_EOF))<< 26) |
-			BMU_OWN|BMU_CHECK |len) ;
-		t->txd_tbctrl = tbctrl ;
-
-#ifndef	AIX
-		DRV_BUF_FLUSH(t,DDI_DMA_SYNC_FORDEV) ;
-		outpd(queue->tx_bmu_ctl,CSR_START) ;
-#else	/* ifndef AIX */
-		DRV_BUF_FLUSH(t,DDI_DMA_SYNC_FORDEV) ;
-		if (frame_status & QUEUE_A0) {
-			outpd(ADDR(B0_XA_CSR),CSR_START) ;
-		}
-		else {
-			outpd(ADDR(B0_XS_CSR),CSR_START) ;
-		}
-#endif
-		queue->tx_free-- ;
-		queue->tx_used++ ;
-		queue->tx_curr_put = t->txd_next ;
-		if (frame_status & LAST_FRAG) {
-			smc->mib.m[MAC0].fddiMACTransmit_Ct++ ;
-		}
-	}
-	if (frame_status & LOC_TX) {
-		DB_TX("LOC_TX: ",0,0,3) ;
-		if (frame_status & FIRST_FRAG) {
-			if(!(smc->os.hwm.tx_mb = smt_get_mbuf(smc))) {
-				smc->hw.fp.err_stats.err_no_buf++ ;
-				DB_TX("No SMbuf; transmit terminated",0,0,4) ;
-			}
-			else {
-				smc->os.hwm.tx_data =
-					smtod(smc->os.hwm.tx_mb,char *) - 1 ;
-#ifdef USE_OS_CPY
-#ifdef PASS_1ST_TXD_2_TX_COMP
-				hwm_cpy_txd2mb(t,smc->os.hwm.tx_data,
-					smc->os.hwm.tx_len) ;
-#endif
-#endif
-			}
-		}
-		if (smc->os.hwm.tx_mb) {
-#ifndef	USE_OS_CPY
-			DB_TX("copy fragment into MBuf ",0,0,3) ;
-			memcpy(smc->os.hwm.tx_data,virt,len) ;
-			smc->os.hwm.tx_data += len ;
-#endif
-			if (frame_status & LAST_FRAG) {
-#ifdef	USE_OS_CPY
-#ifndef PASS_1ST_TXD_2_TX_COMP
-				/*
-				 * hwm_cpy_txd2mb(txd,data,len) copies 'len' 
-				 * bytes from the virtual pointer in 'rxd'
-				 * to 'data'. The virtual pointer of the 
-				 * os-specific tx-buffer should be written
-				 * in the LAST txd.
-				 */ 
-				hwm_cpy_txd2mb(t,smc->os.hwm.tx_data,
-					smc->os.hwm.tx_len) ;
-#endif	/* nPASS_1ST_TXD_2_TX_COMP */
-#endif	/* USE_OS_CPY */
-				smc->os.hwm.tx_data =
-					smtod(smc->os.hwm.tx_mb,char *) - 1 ;
-				*(char *)smc->os.hwm.tx_mb->sm_data =
-					*smc->os.hwm.tx_data ;
-				smc->os.hwm.tx_data++ ;
-				smc->os.hwm.tx_mb->sm_len =
-					smc->os.hwm.tx_len - 1 ;
-				DB_TX("pass LLC frame to SMT ",0,0,3) ;
-				smt_received_pack(smc,smc->os.hwm.tx_mb,
-						RD_FS_LOCAL) ;
-			}
-		}
-	}
-	NDD_TRACE("THfE",t,queue->tx_free,0) ;
-}
-
-
-/*
- * queues a receive for later send
- */
-static void queue_llc_rx(struct s_smc *smc, SMbuf *mb)
-{
-	DB_GEN("queue_llc_rx: mb = %x",(void *)mb,0,4) ;
-	smc->os.hwm.queued_rx_frames++ ;
-	mb->sm_next = (SMbuf *)NULL ;
-	if (smc->os.hwm.llc_rx_pipe == NULL) {
-		smc->os.hwm.llc_rx_pipe = mb ;
-	}
-	else {
-		smc->os.hwm.llc_rx_tail->sm_next = mb ;
-	}
-	smc->os.hwm.llc_rx_tail = mb ;
-
-	/*
-	 * force an timer IRQ to receive the data
-	 */
-	if (!smc->os.hwm.isr_flag) {
-		smt_force_irq(smc) ;
-	}
-}
-
-/*
- * get a SMbuf from the llc_rx_queue
- */
-static SMbuf *get_llc_rx(struct s_smc *smc)
-{
-	SMbuf	*mb ;
-
-	if ((mb = smc->os.hwm.llc_rx_pipe)) {
-		smc->os.hwm.queued_rx_frames-- ;
-		smc->os.hwm.llc_rx_pipe = mb->sm_next ;
-	}
-	DB_GEN("get_llc_rx: mb = 0x%x",(void *)mb,0,4) ;
-	return mb;
-}
-
-/*
- * queues a transmit SMT MBuf during the time were the MBuf is
- * queued the TxD ring
- */
-static void queue_txd_mb(struct s_smc *smc, SMbuf *mb)
-{
-	DB_GEN("_rx: queue_txd_mb = %x",(void *)mb,0,4) ;
-	smc->os.hwm.queued_txd_mb++ ;
-	mb->sm_next = (SMbuf *)NULL ;
-	if (smc->os.hwm.txd_tx_pipe == NULL) {
-		smc->os.hwm.txd_tx_pipe = mb ;
-	}
-	else {
-		smc->os.hwm.txd_tx_tail->sm_next = mb ;
-	}
-	smc->os.hwm.txd_tx_tail = mb ;
-}
-
-/*
- * get a SMbuf from the txd_tx_queue
- */
-static SMbuf *get_txd_mb(struct s_smc *smc)
-{
-	SMbuf *mb ;
-
-	if ((mb = smc->os.hwm.txd_tx_pipe)) {
-		smc->os.hwm.queued_txd_mb-- ;
-		smc->os.hwm.txd_tx_pipe = mb->sm_next ;
-	}
-	DB_GEN("get_txd_mb: mb = 0x%x",(void *)mb,0,4) ;
-	return mb;
-}
-
-/*
- *	SMT Send function
- */
-void smt_send_mbuf(struct s_smc *smc, SMbuf *mb, int fc)
-{
-	char far *data ;
-	int	len ;
-	int	n ;
-	int	i ;
-	int	frag_count ;
-	int	frame_status ;
-	SK_LOC_DECL(char far,*virt[3]) ;
-	int	frag_len[3] ;
-	struct s_smt_tx_queue *queue ;
-	struct s_smt_fp_txd volatile *t ;
-	u_long	phys ;
-	__le32	tbctrl;
-
-	NDD_TRACE("THSB",mb,fc,0) ;
-	DB_TX("smt_send_mbuf: mb = 0x%x, fc = 0x%x",mb,fc,4) ;
-
-	mb->sm_off-- ;	/* set to fc */
-	mb->sm_len++ ;	/* + fc */
-	data = smtod(mb,char *) ;
-	*data = fc ;
-	if (fc == FC_SMT_LOC)
-		*data = FC_SMT_INFO ;
-
-	/*
-	 * determine the frag count and the virt addresses of the frags
-	 */
-	frag_count = 0 ;
-	len = mb->sm_len ;
-	while (len) {
-		n = SMT_PAGESIZE - ((long)data & (SMT_PAGESIZE-1)) ;
-		if (n >= len) {
-			n = len ;
-		}
-		DB_TX("frag: virt/len = 0x%x/%d ",(void *)data,n,5) ;
-		virt[frag_count] = data ;
-		frag_len[frag_count] = n ;
-		frag_count++ ;
-		len -= n ;
-		data += n ;
-	}
-
-	/*
-	 * determine the frame status
-	 */
-	queue = smc->hw.fp.tx[QUEUE_A0] ;
-	if (fc == FC_BEACON || fc == FC_SMT_LOC) {
-		frame_status = LOC_TX ;
-	}
-	else {
-		frame_status = LAN_TX ;
-		if ((smc->os.hwm.pass_NSA &&(fc == FC_SMT_NSA)) ||
-		   (smc->os.hwm.pass_SMT &&(fc == FC_SMT_INFO)))
-			frame_status |= LOC_TX ;
-	}
-
-	if (!smc->hw.mac_ring_is_up || frag_count > queue->tx_free) {
-		frame_status &= ~LAN_TX;
-		if (frame_status) {
-			DB_TX("Ring is down: terminate LAN_TX",0,0,2) ;
-		}
-		else {
-			DB_TX("Ring is down: terminate transmission",0,0,2) ;
-			smt_free_mbuf(smc,mb) ;
-			return ;
-		}
-	}
-	DB_TX("frame_status = 0x%x ",frame_status,0,5) ;
-
-	if ((frame_status & LAN_TX) && (frame_status & LOC_TX)) {
-		mb->sm_use_count = 2 ;
-	}
-
-	if (frame_status & LAN_TX) {
-		t = queue->tx_curr_put ;
-		frame_status |= FIRST_FRAG ;
-		for (i = 0; i < frag_count; i++) {
-			DB_TX("init TxD = 0x%x",(void *)t,0,5) ;
-			if (i == frag_count-1) {
-				frame_status |= LAST_FRAG ;
-				t->txd_txdscr = cpu_to_le32(TX_DESCRIPTOR |
-					(((__u32)(mb->sm_len-1)&3) << 27)) ;
-			}
-			t->txd_virt = virt[i] ;
-			phys = dma_master(smc, (void far *)virt[i],
-				frag_len[i], DMA_RD|SMT_BUF) ;
-			t->txd_tbadr = cpu_to_le32(phys) ;
-			tbctrl = cpu_to_le32((((__u32)frame_status &
-				(FIRST_FRAG|LAST_FRAG)) << 26) |
-				BMU_OWN | BMU_CHECK | BMU_SMT_TX |frag_len[i]) ;
-			t->txd_tbctrl = tbctrl ;
-#ifndef	AIX
-			DRV_BUF_FLUSH(t,DDI_DMA_SYNC_FORDEV) ;
-			outpd(queue->tx_bmu_ctl,CSR_START) ;
-#else
-			DRV_BUF_FLUSH(t,DDI_DMA_SYNC_FORDEV) ;
-			outpd(ADDR(B0_XA_CSR),CSR_START) ;
-#endif
-			frame_status &= ~FIRST_FRAG ;
-			queue->tx_curr_put = t = t->txd_next ;
-			queue->tx_free-- ;
-			queue->tx_used++ ;
-		}
-		smc->mib.m[MAC0].fddiMACTransmit_Ct++ ;
-		queue_txd_mb(smc,mb) ;
-	}
-
-	if (frame_status & LOC_TX) {
-		DB_TX("pass Mbuf to LLC queue",0,0,5) ;
-		queue_llc_rx(smc,mb) ;
-	}
-
-	/*
-	 * We need to unqueue the free SMT_MBUFs here, because it may
-	 * be that the SMT want's to send more than 1 frame for one down call
-	 */
-	mac_drv_clear_txd(smc) ;
-	NDD_TRACE("THSE",t,queue->tx_free,frag_count) ;
-}
-
-/*	BEGIN_MANUAL_ENTRY(mac_drv_clear_txd)
- *	void mac_drv_clear_txd(smc)
- *
- * function	DOWNCALL	(hardware module, hwmtm.c)
- *		mac_drv_clear_txd searches in both send queues for TxD's
- *		which were finished by the adapter. It calls dma_complete
- *		for each TxD. If the last fragment of an LLC frame is
- *		reached, it calls mac_drv_tx_complete to release the
- *		send buffer.
- *
- * return	nothing
- *
- *	END_MANUAL_ENTRY
- */
-static void mac_drv_clear_txd(struct s_smc *smc)
-{
-	struct s_smt_tx_queue *queue ;
-	struct s_smt_fp_txd volatile *t1 ;
-	struct s_smt_fp_txd volatile *t2 = NULL ;
-	SMbuf *mb ;
-	u_long	tbctrl ;
-	int i ;
-	int frag_count ;
-	int n ;
-
-	NDD_TRACE("THcB",0,0,0) ;
-	for (i = QUEUE_S; i <= QUEUE_A0; i++) {
-		queue = smc->hw.fp.tx[i] ;
-		t1 = queue->tx_curr_get ;
-		DB_TX("clear_txd: QUEUE = %d (0=sync/1=async)",i,0,5) ;
-
-		for ( ; ; ) {
-			frag_count = 0 ;
-
-			do {
-				DRV_BUF_FLUSH(t1,DDI_DMA_SYNC_FORCPU) ;
-				DB_TX("check OWN/EOF bit of TxD 0x%x",t1,0,5) ;
-				tbctrl = le32_to_cpu(CR_READ(t1->txd_tbctrl));
-
-				if (tbctrl & BMU_OWN || !queue->tx_used){
-					DB_TX("End of TxDs queue %d",i,0,4) ;
-					goto free_next_queue ;	/* next queue */
-				}
-				t1 = t1->txd_next ;
-				frag_count++ ;
-			} while (!(tbctrl & BMU_EOF)) ;
-
-			t1 = queue->tx_curr_get ;
-			for (n = frag_count; n; n--) {
-				tbctrl = le32_to_cpu(t1->txd_tbctrl) ;
-				dma_complete(smc,
-					(union s_fp_descr volatile *) t1,
-					(int) (DMA_RD |
-					((tbctrl & BMU_SMT_TX) >> 18))) ;
-				t2 = t1 ;
-				t1 = t1->txd_next ;
-			}
-
-			if (tbctrl & BMU_SMT_TX) {
-				mb = get_txd_mb(smc) ;
-				smt_free_mbuf(smc,mb) ;
-			}
-			else {
-#ifndef PASS_1ST_TXD_2_TX_COMP
-				DB_TX("mac_drv_tx_comp for TxD 0x%x",t2,0,4) ;
-				mac_drv_tx_complete(smc,t2) ;
-#else
-				DB_TX("mac_drv_tx_comp for TxD 0x%x",
-					queue->tx_curr_get,0,4) ;
-				mac_drv_tx_complete(smc,queue->tx_curr_get) ;
-#endif
-			}
-			queue->tx_curr_get = t1 ;
-			queue->tx_free += frag_count ;
-			queue->tx_used -= frag_count ;
-		}
-free_next_queue: ;
-	}
-	NDD_TRACE("THcE",0,0,0) ;
-}
-
-/*
- *	BEGINN_MANUAL_ENTRY(mac_drv_clear_tx_queue)
- *
- * void mac_drv_clear_tx_queue(smc)
- * struct s_smc *smc ;
- *
- * function	DOWNCALL	(hardware module, hwmtm.c)
- *		mac_drv_clear_tx_queue is called from the SMT when
- *		the RMT state machine has entered the ISOLATE state.
- *		This function is also called by the os-specific module
- *		after it has called the function card_stop().
- *		In this case, the frames in the send queues are obsolete and
- *		should be removed.
- *
- * note		calling sequence:
- *		CLI_FBI(), card_stop(),
- *		mac_drv_clear_tx_queue(), mac_drv_clear_rx_queue(),
- *
- * NOTE:	The caller is responsible that the BMUs are idle
- *		when this function is called.
- *
- *	END_MANUAL_ENTRY
- */
-void mac_drv_clear_tx_queue(struct s_smc *smc)
-{
-	struct s_smt_fp_txd volatile *t ;
-	struct s_smt_tx_queue *queue ;
-	int tx_used ;
-	int i ;
-
-	if (smc->hw.hw_state != STOPPED) {
-		SK_BREAK() ;
-		SMT_PANIC(smc,HWM_E0011,HWM_E0011_MSG) ;
-		return ;
-	}
-
-	for (i = QUEUE_S; i <= QUEUE_A0; i++) {
-		queue = smc->hw.fp.tx[i] ;
-		DB_TX("clear_tx_queue: QUEUE = %d (0=sync/1=async)",i,0,5) ;
-
-		/*
-		 * switch the OWN bit of all pending frames to the host
-		 */
-		t = queue->tx_curr_get ;
-		tx_used = queue->tx_used ;
-		while (tx_used) {
-			DRV_BUF_FLUSH(t,DDI_DMA_SYNC_FORCPU) ;
-			DB_TX("switch OWN bit of TxD 0x%x ",t,0,5) ;
-			t->txd_tbctrl &= ~cpu_to_le32(BMU_OWN) ;
-			DRV_BUF_FLUSH(t,DDI_DMA_SYNC_FORDEV) ;
-			t = t->txd_next ;
-			tx_used-- ;
-		}
-	}
-
-	/*
-	 * release all TxD's for both send queues
-	 */
-	mac_drv_clear_txd(smc) ;
-
-	for (i = QUEUE_S; i <= QUEUE_A0; i++) {
-		queue = smc->hw.fp.tx[i] ;
-		t = queue->tx_curr_get ;
-
-		/*
-		 * write the phys pointer of the NEXT descriptor into the
-		 * BMU's current address descriptor pointer and set
-		 * tx_curr_get and tx_curr_put to this position
-		 */
-		if (i == QUEUE_S) {
-			outpd(ADDR(B5_XS_DA),le32_to_cpu(t->txd_ntdadr)) ;
-		}
-		else {
-			outpd(ADDR(B5_XA_DA),le32_to_cpu(t->txd_ntdadr)) ;
-		}
-
-		queue->tx_curr_put = queue->tx_curr_get->txd_next ;
-		queue->tx_curr_get = queue->tx_curr_put ;
-	}
-}
-
-
-/*
-	-------------------------------------------------------------
-	TEST FUNCTIONS:
-	-------------------------------------------------------------
-*/
-
-#ifdef	DEBUG
-/*
- *	BEGIN_MANUAL_ENTRY(mac_drv_debug_lev)
- *	void mac_drv_debug_lev(smc,flag,lev)
- *
- * function	DOWNCALL	(drvsr.c)
- *		To get a special debug info the user can assign a debug level
- *		to any debug flag.
- *
- * para	flag	debug flag, possible values are:
- *			= 0:	reset all debug flags (the defined level is
- *				ignored)
- *			= 1:	debug.d_smtf
- *			= 2:	debug.d_smt
- *			= 3:	debug.d_ecm
- *			= 4:	debug.d_rmt
- *			= 5:	debug.d_cfm
- *			= 6:	debug.d_pcm
- *
- *			= 10:	debug.d_os.hwm_rx (hardware module receive path)
- *			= 11:	debug.d_os.hwm_tx(hardware module transmit path)
- *			= 12:	debug.d_os.hwm_gen(hardware module general flag)
- *
- *	lev	debug level
- *
- *	END_MANUAL_ENTRY
- */
-void mac_drv_debug_lev(struct s_smc *smc, int flag, int lev)
-{
-	switch(flag) {
-	case (int)NULL:
-		DB_P.d_smtf = DB_P.d_smt = DB_P.d_ecm = DB_P.d_rmt = 0 ;
-		DB_P.d_cfm = 0 ;
-		DB_P.d_os.hwm_rx = DB_P.d_os.hwm_tx = DB_P.d_os.hwm_gen = 0 ;
-#ifdef	SBA
-		DB_P.d_sba = 0 ;
-#endif
-#ifdef	ESS
-		DB_P.d_ess = 0 ;
-#endif
-		break ;
-	case DEBUG_SMTF:
-		DB_P.d_smtf = lev ;
-		break ;
-	case DEBUG_SMT:
-		DB_P.d_smt = lev ;
-		break ;
-	case DEBUG_ECM:
-		DB_P.d_ecm = lev ;
-		break ;
-	case DEBUG_RMT:
-		DB_P.d_rmt = lev ;
-		break ;
-	case DEBUG_CFM:
-		DB_P.d_cfm = lev ;
-		break ;
-	case DEBUG_PCM:
-		DB_P.d_pcm = lev ;
-		break ;
-	case DEBUG_SBA:
-#ifdef	SBA
-		DB_P.d_sba = lev ;
-#endif
-		break ;
-	case DEBUG_ESS:
-#ifdef	ESS
-		DB_P.d_ess = lev ;
-#endif
-		break ;
-	case DB_HWM_RX:
-		DB_P.d_os.hwm_rx = lev ;
-		break ;
-	case DB_HWM_TX:
-		DB_P.d_os.hwm_tx = lev ;
-		break ;
-	case DB_HWM_GEN:
-		DB_P.d_os.hwm_gen = lev ;
-		break ;
-	default:
-		break ;
-	}
-}
-#endif