95 	struct rionet_private *rnet = netdev_priv(ndev);  in rionet_rx_clean()  local
98 	i = rnet->rx_slot;  in rionet_rx_clean()
101 		if (!rnet->rx_skb[i])  in rionet_rx_clean()
104 		if (!(data = rio_get_inb_message(rnet->mport, RIONET_MAILBOX)))  in rionet_rx_clean()
107 		rnet->rx_skb[i]->data = data;  in rionet_rx_clean()
108 		skb_put(rnet->rx_skb[i], RIO_MAX_MSG_SIZE);  in rionet_rx_clean()
109 		rnet->rx_skb[i]->protocol =  in rionet_rx_clean()
110 		    eth_type_trans(rnet->rx_skb[i], ndev);  in rionet_rx_clean()
111 		error = netif_rx(rnet->rx_skb[i]);  in rionet_rx_clean()
120 	} while ((i = (i + 1) % RIONET_RX_RING_SIZE) != rnet->rx_slot);  in rionet_rx_clean()
128 	struct rionet_private *rnet = netdev_priv(ndev);  in rionet_rx_fill()  local
130 	i = rnet->rx_slot;  in rionet_rx_fill()
132 		rnet->rx_skb[i] = dev_alloc_skb(RIO_MAX_MSG_SIZE);  in rionet_rx_fill()
134 		if (!rnet->rx_skb[i])  in rionet_rx_fill()
137 		rio_add_inb_buffer(rnet->mport, RIONET_MAILBOX,  in rionet_rx_fill()
138 				   rnet->rx_skb[i]->data);  in rionet_rx_fill()
141 	rnet->rx_slot = i;  in rionet_rx_fill()
147 	struct rionet_private *rnet = netdev_priv(ndev);  in rionet_queue_tx_msg()  local
149 	rio_add_outb_message(rnet->mport, rdev, 0, skb->data, skb->len);  in rionet_queue_tx_msg()
150 	rnet->tx_skb[rnet->tx_slot] = skb;  in rionet_queue_tx_msg()
155 	if (++rnet->tx_cnt == RIONET_TX_RING_SIZE)  in rionet_queue_tx_msg()
158 	++rnet->tx_slot;  in rionet_queue_tx_msg()
159 	rnet->tx_slot &= (RIONET_TX_RING_SIZE - 1);  in rionet_queue_tx_msg()
161 	if (netif_msg_tx_queued(rnet))  in rionet_queue_tx_msg()
171 	struct rionet_private *rnet = netdev_priv(ndev);  in rionet_start_xmit()  local
178 	if (!spin_trylock(&rnet->tx_lock)) {  in rionet_start_xmit()
184 		add_num = nets[rnet->mport->id].nact;  in rionet_start_xmit()
186 	if ((rnet->tx_cnt + add_num) > RIONET_TX_RING_SIZE) {  in rionet_start_xmit()
188 		spin_unlock_irqrestore(&rnet->tx_lock, flags);  in rionet_start_xmit()
197 		for (i = 0; i < RIO_MAX_ROUTE_ENTRIES(rnet->mport->sys_size);  in rionet_start_xmit()
199 			if (nets[rnet->mport->id].active[i]) {  in rionet_start_xmit()
201 					nets[rnet->mport->id].active[i]);  in rionet_start_xmit()
208 		if (nets[rnet->mport->id].active[destid])  in rionet_start_xmit()
210 					nets[rnet->mport->id].active[destid]);  in rionet_start_xmit()
224 	spin_unlock_irqrestore(&rnet->tx_lock, flags);  in rionet_start_xmit()
233 	struct rionet_private *rnet = netdev_priv(ndev);  in rionet_dbell_event()  local
236 	if (netif_msg_intr(rnet))  in rionet_dbell_event()
240 		if (!nets[rnet->mport->id].active[sid]) {  in rionet_dbell_event()
242 					   &nets[rnet->mport->id].peers, node) {  in rionet_dbell_event()
244 					nets[rnet->mport->id].active[sid] =  in rionet_dbell_event()
246 					nets[rnet->mport->id].nact++;  in rionet_dbell_event()
253 		nets[rnet->mport->id].active[sid] = NULL;  in rionet_dbell_event()
254 		nets[rnet->mport->id].nact--;  in rionet_dbell_event()
256 		if (netif_msg_intr(rnet))  in rionet_dbell_event()
266 	struct rionet_private *rnet = netdev_priv(ndev);  in rionet_inb_msg_event()  local
268 	if (netif_msg_intr(rnet))  in rionet_inb_msg_event()
272 	spin_lock(&rnet->lock);  in rionet_inb_msg_event()
273 	if ((n = rionet_rx_clean(ndev)) != rnet->rx_slot)  in rionet_inb_msg_event()
275 	spin_unlock(&rnet->lock);  in rionet_inb_msg_event()
281 	struct rionet_private *rnet = netdev_priv(ndev);  in rionet_outb_msg_event()  local
283 	spin_lock(&rnet->tx_lock);  in rionet_outb_msg_event()
285 	if (netif_msg_intr(rnet))  in rionet_outb_msg_event()
290 	while (rnet->tx_cnt && (rnet->ack_slot != slot)) {  in rionet_outb_msg_event()
292 		dev_kfree_skb_irq(rnet->tx_skb[rnet->ack_slot]);  in rionet_outb_msg_event()
293 		rnet->tx_skb[rnet->ack_slot] = NULL;  in rionet_outb_msg_event()
294 		++rnet->ack_slot;  in rionet_outb_msg_event()
295 		rnet->ack_slot &= (RIONET_TX_RING_SIZE - 1);  in rionet_outb_msg_event()
296 		rnet->tx_cnt--;  in rionet_outb_msg_event()
299 	if (rnet->tx_cnt < RIONET_TX_RING_SIZE)  in rionet_outb_msg_event()
302 	spin_unlock(&rnet->tx_lock);  in rionet_outb_msg_event()
309 	struct rionet_private *rnet = netdev_priv(ndev);  in rionet_open()  local
311 	if (netif_msg_ifup(rnet))  in rionet_open()
314 	if ((rc = rio_request_inb_dbell(rnet->mport,  in rionet_open()
321 	if ((rc = rio_request_inb_mbox(rnet->mport,  in rionet_open()
328 	if ((rc = rio_request_outb_mbox(rnet->mport,  in rionet_open()
337 		rnet->rx_skb[i] = NULL;  in rionet_open()
338 	rnet->rx_slot = 0;  in rionet_open()
341 	rnet->tx_slot = 0;  in rionet_open()
342 	rnet->tx_cnt = 0;  in rionet_open()
343 	rnet->ack_slot = 0;  in rionet_open()
349 				 &nets[rnet->mport->id].peers, node) {  in rionet_open()
369 	struct rionet_private *rnet = netdev_priv(ndev);  in rionet_close()  local
373 	if (netif_msg_ifup(rnet))  in rionet_close()
380 		kfree_skb(rnet->rx_skb[i]);  in rionet_close()
383 				 &nets[rnet->mport->id].peers, node) {  in rionet_close()
384 		if (nets[rnet->mport->id].active[peer->rdev->destid]) {  in rionet_close()
386 			nets[rnet->mport->id].active[peer->rdev->destid] = NULL;  in rionet_close()
391 	rio_release_inb_dbell(rnet->mport, RIONET_DOORBELL_JOIN,  in rionet_close()
393 	rio_release_inb_mbox(rnet->mport, RIONET_MAILBOX);  in rionet_close()
394 	rio_release_outb_mbox(rnet->mport, RIONET_MAILBOX);  in rionet_close()
424 	struct rionet_private *rnet = netdev_priv(ndev);  in rionet_get_drvinfo()  local
429 	strlcpy(info->bus_info, rnet->mport->name, sizeof(info->bus_info));  in rionet_get_drvinfo()
434 	struct rionet_private *rnet = netdev_priv(ndev);  in rionet_get_msglevel()  local
436 	return rnet->msg_enable;  in rionet_get_msglevel()
441 	struct rionet_private *rnet = netdev_priv(ndev);  in rionet_set_msglevel()  local
443 	rnet->msg_enable = value;  in rionet_set_msglevel()
465 	struct rionet_private *rnet;  in rionet_setup_netdev()  local
479 	rnet = netdev_priv(ndev);  in rionet_setup_netdev()
480 	rnet->mport = mport;  in rionet_setup_netdev()
497 	spin_lock_init(&rnet->lock);  in rionet_setup_netdev()
498 	spin_lock_init(&rnet->tx_lock);  in rionet_setup_netdev()
500 	rnet->msg_enable = RIONET_DEFAULT_MSGLEVEL;  in rionet_setup_netdev()
612 	struct rionet_private *rnet;  in rionet_exit()  local
620 			rnet = netdev_priv(ndev);  in rionet_exit()
631 				 RIO_MAX_ROUTE_ENTRIES(rnet->mport->sys_size)));  in rionet_exit()