677 	nop_t nop;  in ether1_sendpacket()  local
711 	nop.nop_status = 0;  in ether1_sendpacket()
712 	nop.nop_command = CMD_NOP;  in ether1_sendpacket()
713 	nop.nop_link = nopaddr;  in ether1_sendpacket()
719 	ether1_writebuffer (dev, &nop, nopaddr, NOP_SIZE);  in ether1_sendpacket()
746 	nop_t nop;  in ether1_xmit_done()  local
752 	ether1_readbuffer (dev, &nop, caddr, NOP_SIZE);  in ether1_xmit_done()
754 	switch (nop.nop_command & CMD_MASK) {  in ether1_xmit_done()
767 		if (nop.nop_link == caddr) {  in ether1_xmit_done()
774 		if (caddr == nop.nop_link)  in ether1_xmit_done()
776 		caddr = nop.nop_link;  in ether1_xmit_done()
780 		if (nop.nop_status & STAT_COMPLETE)  in ether1_xmit_done()
788 			nop.nop_command & CMD_MASK, caddr);  in ether1_xmit_done()
793 	while (nop.nop_status & STAT_COMPLETE) {  in ether1_xmit_done()
794 		if (nop.nop_status & STAT_OK) {  in ether1_xmit_done()
796 			dev->stats.collisions += (nop.nop_status & STAT_COLLISIONS);  in ether1_xmit_done()
800 			if (nop.nop_status & STAT_COLLAFTERTX)  in ether1_xmit_done()
802 			if (nop.nop_status & STAT_NOCARRIER)  in ether1_xmit_done()
804 			if (nop.nop_status & STAT_TXLOSTCTS)  in ether1_xmit_done()
806 			if (nop.nop_status & STAT_TXSLOWDMA)  in ether1_xmit_done()
808 			if (nop.nop_status & STAT_COLLEXCESSIVE)  in ether1_xmit_done()
812 		if (nop.nop_link == caddr) {  in ether1_xmit_done()
817 		caddr = nop.nop_link;  in ether1_xmit_done()
818 		ether1_readbuffer (dev, &nop, caddr, NOP_SIZE);  in ether1_xmit_done()
819 		if ((nop.nop_command & CMD_MASK) != CMD_NOP) {  in ether1_xmit_done()
824 		if (caddr == nop.nop_link)  in ether1_xmit_done()
827 		caddr = nop.nop_link;  in ether1_xmit_done()
828 		ether1_readbuffer (dev, &nop, caddr, NOP_SIZE);  in ether1_xmit_done()
829 		if ((nop.nop_command & CMD_MASK) != CMD_TX) {  in ether1_xmit_done()