112 struct rxtx {  struct
120 	struct rxtx rxtx;       /* loop back buffer */  argument
381 		if (mdev_state->s[index].rxtx.count <  in handle_bar_write()
383 			mdev_state->s[index].rxtx.fifo[  in handle_bar_write()
384 					mdev_state->s[index].rxtx.head] = data;  in handle_bar_write()
385 			mdev_state->s[index].rxtx.count++;  in handle_bar_write()
386 			CIRCULAR_BUF_INC_IDX(mdev_state->s[index].rxtx.head);  in handle_bar_write()
395 			   (mdev_state->s[index].rxtx.count ==  in handle_bar_write()
429 			    (mdev_state->s[index].rxtx.head ==  in handle_bar_write()
430 					mdev_state->s[index].rxtx.tail)) {  in handle_bar_write()
449 			mdev_state->s[index].rxtx.count = 0;  in handle_bar_write()
450 			mdev_state->s[index].rxtx.head = 0;  in handle_bar_write()
451 			mdev_state->s[index].rxtx.tail = 0;  in handle_bar_write()
546 		if (mdev_state->s[index].rxtx.head !=  in handle_bar_read()
547 				 mdev_state->s[index].rxtx.tail) {  in handle_bar_read()
548 			*buf = mdev_state->s[index].rxtx.fifo[  in handle_bar_read()
549 						mdev_state->s[index].rxtx.tail];  in handle_bar_read()
550 			mdev_state->s[index].rxtx.count--;  in handle_bar_read()
551 			CIRCULAR_BUF_INC_IDX(mdev_state->s[index].rxtx.tail);  in handle_bar_read()
554 		if (mdev_state->s[index].rxtx.head ==  in handle_bar_read()
555 				mdev_state->s[index].rxtx.tail) {  in handle_bar_read()
591 		    (mdev_state->s[index].rxtx.count >=  in handle_bar_read()
597 		    (mdev_state->s[index].rxtx.head ==  in handle_bar_read()
598 				mdev_state->s[index].rxtx.tail))  in handle_bar_read()
628 		if (mdev_state->s[index].rxtx.head !=  in handle_bar_read()
629 				 mdev_state->s[index].rxtx.tail)  in handle_bar_read()
637 		if (mdev_state->s[index].rxtx.head ==  in handle_bar_read()
638 				 mdev_state->s[index].rxtx.tail)  in handle_bar_read()
652 			if (mdev_state->s[index].rxtx.count <  in handle_bar_read()