fddi/skfp/hwmtm.c

77 static u_long repair_txd_ring(struct s_smc *smc, struct s_smt_tx_queue *queue);
78 static u_long repair_rxd_ring(struct s_smc *smc, struct s_smt_rx_queue *queue);
350 	struct s_smt_tx_queue *queue ;
358 	queue = smc->hw.fp.tx[QUEUE_A0] ;
364 	queue->tx_curr_put = queue->tx_curr_get = ds ;
366 	queue->tx_free = HWM_ASYNC_TXD_COUNT ;
367 	queue->tx_used = 0 ;
372 	queue = smc->hw.fp.tx[QUEUE_S] ;
378 	queue->tx_curr_put = queue->tx_curr_get = ds ;
379 	queue->tx_free = HWM_SYNC_TXD_COUNT ;
380 	queue->tx_used = 0 ;
387 	struct s_smt_rx_queue *queue ;
394 	queue = smc->hw.fp.rx[QUEUE_R1] ;
400 	queue->rx_curr_put = queue->rx_curr_get = ds ;
401 	queue->rx_free = SMT_R1_RXD_COUNT ;
402 	queue->rx_used = 0 ;
509 		 * free MBuf queue
578 static u_long repair_txd_ring(struct s_smc *smc, struct s_smt_tx_queue *queue)
588 	t = queue->tx_curr_get ;
589 	tx_used = queue->tx_used ;
590 	for (i = tx_used+queue->tx_free-1 ; i ; i-- ) {
595 	t = queue->tx_curr_get ;
630 static u_long repair_rxd_ring(struct s_smc *smc, struct s_smt_rx_queue *queue)
640 	r = queue->rx_curr_get ;
641 	rx_used = queue->rx_used ;
647 	r = queue->rx_curr_get ;
783 			if (is & IS_R1_P) {	/* Parity error rx queue 1 */
788 			if (is & IS_R1_C) {	/* Encoding error rx queue 1 */
809 			DB_GEN(6, "Fast tx complete queue");
1031  * process receive queue
1039 	struct s_smt_rx_queue *queue ;	/* points to the queue ctl struct */
1052 	queue = smc->hw.fp.rx[QUEUE_R1] ;
1055 		r = queue->rx_curr_get ;
1056 		rx_used = queue->rx_used ;
1148 		rxd = queue->rx_curr_get ;
1149 		queue->rx_curr_get = r ;
1150 		queue->rx_free += frag_count ;
1151 		queue->rx_used = rx_used ;
1353 		DB_RX(3, "next RxD is %p", queue->rx_curr_get);
1354 		NDD_TRACE("RHx1",queue->rx_curr_get,0,0) ;
1362 		DB_RX(3, "next RxD is %p", queue->rx_curr_get);
1363 		NDD_TRACE("RHx2",queue->rx_curr_get,0,0) ;
1441  *		In this case, the frames in the receive queue are obsolete and
1459 	struct s_smt_rx_queue *queue ;
1469 	queue = smc->hw.fp.rx[QUEUE_R1] ;
1475 	r = queue->rx_curr_get ;
1476 	while (queue->rx_used) {
1484 		while (r != queue->rx_curr_put &&
1496 		for (r=queue->rx_curr_get,i=frag_count; i ; r=r->rxd_next,i--){
1502 		      queue->rx_curr_get, frag_count);
1503 		mac_drv_clear_rxd(smc,queue->rx_curr_get,frag_count) ;
1505 		queue->rx_curr_get = next_rxd ;
1506 		queue->rx_used -= frag_count ;
1507 		queue->rx_free += frag_count ;
1524  *		corresponding send queue.
1527  *		send queue the frame should be transmitted.
1535  *	frame_status	status of the frame, the send queue bit is already
1624 	struct s_smt_tx_queue *queue ;
1627 	queue = smc->os.hwm.tx_p ;
1633 	 * Set: t = queue->tx_curr_put  here !
1635 	t = queue->tx_curr_put ;
1651 		outpd(queue->tx_bmu_ctl,CSR_START) ;
1661 		queue->tx_free-- ;
1662 		queue->tx_used++ ;
1663 		queue->tx_curr_put = t->txd_next ;
1719 	NDD_TRACE("THfE",t,queue->tx_free,0) ;
1808 	struct s_smt_tx_queue *queue ;
1844 	queue = smc->hw.fp.tx[QUEUE_A0] ;
1855 	if (!smc->hw.mac_ring_is_up || frag_count > queue->tx_free) {
1873 		t = queue->tx_curr_put ;
1892 			outpd(queue->tx_bmu_ctl,CSR_START) ;
1898 			queue->tx_curr_put = t = t->txd_next ;
1899 			queue->tx_free-- ;
1900 			queue->tx_used++ ;
1907 		DB_TX(5, "pass Mbuf to LLC queue");
1916 	NDD_TRACE("THSE",t,queue->tx_free,frag_count) ;
1935 	struct s_smt_tx_queue *queue ;
1946 		queue = smc->hw.fp.tx[i] ;
1947 		t1 = queue->tx_curr_get ;
1958 				if (tbctrl & BMU_OWN || !queue->tx_used){
1959 					DB_TX(4, "End of TxDs queue %d", i);
1960 					goto free_next_queue ;	/* next queue */
1966 			t1 = queue->tx_curr_get ;
1987 				      queue->tx_curr_get);
1988 				mac_drv_tx_complete(smc,queue->tx_curr_get) ;
1991 			queue->tx_curr_get = t1 ;
1992 			queue->tx_free += frag_count ;
1993 			queue->tx_used -= frag_count ;
2026 	struct s_smt_tx_queue *queue ;
2037 		queue = smc->hw.fp.tx[i] ;
2043 		t = queue->tx_curr_get ;
2044 		tx_used = queue->tx_used ;
2061 		queue = smc->hw.fp.tx[i] ;
2062 		t = queue->tx_curr_get ;
2076 		queue->tx_curr_put = queue->tx_curr_get->txd_next ;
2077 		queue->tx_curr_get = queue->tx_curr_put ;