*** if_xl.c	1998/09/25 17:43:57	1.54
--- if_xl.c	1998/10/05 23:22:34
***************
*** 1702,1707 ****
--- 1702,1708 ----
  
  	cd->xl_tx_free = &cd->xl_tx_chain[0];
  	cd->xl_tx_tail = cd->xl_tx_head = NULL;
+ 	sc->xl_txeoc = 1;
  
  	return(0);
  }
***************
*** 1937,1951 ****
  	if (sc->xl_cdata.xl_tx_head == NULL) {
  		ifp->if_flags &= ~IFF_OACTIVE;
  		sc->xl_cdata.xl_tx_tail = NULL;
  		if (sc->xl_want_auto)
  			xl_autoneg_mii(sc, XL_FLAG_SCHEDDELAY, 1);
  	} else {
! 		if (CSR_READ_4(sc, XL_DMACTL) & XL_DMACTL_DOWN_STALLED ||
! 			!CSR_READ_4(sc, XL_DOWNLIST_PTR)) {
! 			CSR_WRITE_4(sc, XL_DOWNLIST_PTR,
  				vtophys(sc->xl_cdata.xl_tx_head->xl_ptr));
! 			CSR_WRITE_2(sc, XL_COMMAND, XL_CMD_DOWN_UNSTALL);
! 		}
  	}
  
  	return;
--- 1938,1953 ----
  	if (sc->xl_cdata.xl_tx_head == NULL) {
  		ifp->if_flags &= ~IFF_OACTIVE;
  		sc->xl_cdata.xl_tx_tail = NULL;
+ 		sc->xl_txeoc = 1;
  		if (sc->xl_want_auto)
  			xl_autoneg_mii(sc, XL_FLAG_SCHEDDELAY, 1);
  	} else {
! 		sc->xl_txeoc = 0;
! 		CSR_WRITE_4(sc, XL_COMMAND, XL_CMD_DOWN_STALL);
! 		xl_wait(sc);
! 		CSR_WRITE_4(sc, XL_DOWNLIST_PTR,
  				vtophys(sc->xl_cdata.xl_tx_head->xl_ptr));
! 		CSR_WRITE_2(sc, XL_COMMAND, XL_CMD_DOWN_UNSTALL);
  	}
  
  	return;
***************
*** 2267,2287 ****
  	 * Queue the packets. If the TX channel is clear, update
  	 * the downlist pointer register.
  	 */
! 	CSR_WRITE_2(sc, XL_COMMAND, XL_CMD_DOWN_STALL);
! 	xl_wait(sc);
! 
! 	if (CSR_READ_4(sc, XL_DOWNLIST_PTR)) {
! 		sc->xl_cdata.xl_tx_tail->xl_next = start_tx;
! 		sc->xl_cdata.xl_tx_tail->xl_ptr->xl_next =
! 					vtophys(start_tx->xl_ptr);
! 		sc->xl_cdata.xl_tx_tail->xl_ptr->xl_status &=
! 					~XL_TXSTAT_DL_INTR;
! 	} else {
  		sc->xl_cdata.xl_tx_head = start_tx;
  		sc->xl_cdata.xl_tx_tail = cur_tx;
! 		CSR_WRITE_4(sc, XL_DOWNLIST_PTR, vtophys(start_tx->xl_ptr));
  	}
- 	CSR_WRITE_2(sc, XL_COMMAND, XL_CMD_DOWN_UNSTALL);
  
  	XL_SEL_WIN(7);
  
--- 2269,2289 ----
  	 * Queue the packets. If the TX channel is clear, update
  	 * the downlist pointer register.
  	 */
! 	if (sc->xl_cdata.xl_tx_head == NULL) {
  		sc->xl_cdata.xl_tx_head = start_tx;
  		sc->xl_cdata.xl_tx_tail = cur_tx;
! 		if (sc->xl_txeoc) {
! 			sc->xl_txeoc = 0;
! 			CSR_WRITE_2(sc, XL_COMMAND, XL_CMD_DOWN_STALL);
! 			xl_wait(sc);
! 			CSR_WRITE_4(sc, XL_DOWNLIST_PTR,
! 					vtophys(start_tx->xl_ptr));
! 			CSR_WRITE_2(sc, XL_COMMAND, XL_CMD_DOWN_UNSTALL);
! 		}
! 	} else {
! 		sc->xl_cdata.xl_tx_tail->xl_next = start_tx;
! 		sc->xl_cdata.xl_tx_tail = start_tx;
  	}
  
  	XL_SEL_WIN(7);
  
*** if_xlreg.h	1998/09/25 17:43:57	1.16
--- if_xlreg.h	1998/10/05 01:02:47
***************
*** 554,559 ****
--- 554,560 ----
  	u_int8_t		xl_want_auto;
  	u_int8_t		xl_autoneg;
  	u_int8_t		xl_stats_no_timeout;
+ 	u_int8_t		xl_txeoc;
  	caddr_t			xl_ldata_ptr;
  	struct xl_list_data	*xl_ldata;
  	struct xl_chain_data	xl_cdata;