eth: switch to netif_napi_add_weight()

Switch all Ethernet drivers which use custom napi weights to the new API. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
mariux64 · May 8, 2022 · b707b89 · b707b89
1 parent be8af67
commit b707b89
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Showing 34 changed files with 58 additions and 47 deletions.
diff --git a/drivers/net/ethernet/3com/typhoon.c b/drivers/net/ethernet/3com/typhoon.c
@@ -2464,7 +2464,7 @@ typhoon_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	/* The chip-specific entries in the device structure. */
 	dev->netdev_ops		= &typhoon_netdev_ops;
-	netif_napi_add(dev, &tp->napi, typhoon_poll, 16);
+	netif_napi_add_weight(dev, &tp->napi, typhoon_poll, 16);
 	dev->watchdog_timeo	= TX_TIMEOUT;
 
 	dev->ethtool_ops = &typhoon_ethtool_ops;

diff --git a/drivers/net/ethernet/adaptec/starfire.c b/drivers/net/ethernet/adaptec/starfire.c
@@ -772,7 +772,7 @@ static int starfire_init_one(struct pci_dev *pdev,
 	dev->watchdog_timeo = TX_TIMEOUT;
 	dev->ethtool_ops = &ethtool_ops;
 
-	netif_napi_add(dev, &np->napi, netdev_poll, max_interrupt_work);
+	netif_napi_add_weight(dev, &np->napi, netdev_poll, max_interrupt_work);
 
 	if (mtu)
 		dev->mtu = mtu;

diff --git a/drivers/net/ethernet/amd/amd8111e.c b/drivers/net/ethernet/amd/amd8111e.c
@@ -1828,7 +1828,7 @@ static int amd8111e_probe_one(struct pci_dev *pdev,
 	dev->watchdog_timeo = AMD8111E_TX_TIMEOUT;
 	dev->min_mtu = AMD8111E_MIN_MTU;
 	dev->max_mtu = AMD8111E_MAX_MTU;
-	netif_napi_add(dev, &lp->napi, amd8111e_rx_poll, 32);
+	netif_napi_add_weight(dev, &lp->napi, amd8111e_rx_poll, 32);
 
 #if AMD8111E_VLAN_TAG_USED
 	dev->features |= NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;

diff --git a/drivers/net/ethernet/amd/pcnet32.c b/drivers/net/ethernet/amd/pcnet32.c
@@ -1881,7 +1881,8 @@ pcnet32_probe1(unsigned long ioaddr, int shared, struct pci_dev *pdev)
 	/* napi.weight is used in both the napi and non-napi cases */
 	lp->napi.weight = lp->rx_ring_size / 2;
 
-	netif_napi_add(dev, &lp->napi, pcnet32_poll, lp->rx_ring_size / 2);
+	netif_napi_add_weight(dev, &lp->napi, pcnet32_poll,
+			      lp->rx_ring_size / 2);
 
 	if (fdx && !(lp->options & PCNET32_PORT_ASEL) &&
 	    ((cards_found >= MAX_UNITS) || full_duplex[cards_found]))

diff --git a/drivers/net/ethernet/arc/emac_main.c b/drivers/net/ethernet/arc/emac_main.c
@@ -981,7 +981,8 @@ int arc_emac_probe(struct net_device *ndev, int interface)
 	dev_info(dev, "connected to %s phy with id 0x%x\n",
 		 phydev->drv->name, phydev->phy_id);
 
-	netif_napi_add(ndev, &priv->napi, arc_emac_poll, ARC_EMAC_NAPI_WEIGHT);
+	netif_napi_add_weight(ndev, &priv->napi, arc_emac_poll,
+			      ARC_EMAC_NAPI_WEIGHT);
 
 	err = register_netdev(ndev);
 	if (err) {

diff --git a/drivers/net/ethernet/atheros/ag71xx.c b/drivers/net/ethernet/atheros/ag71xx.c
@@ -1922,7 +1922,8 @@ static int ag71xx_probe(struct platform_device *pdev)
 		return err;
 	}
 
-	netif_napi_add(ndev, &ag->napi, ag71xx_poll, AG71XX_NAPI_WEIGHT);
+	netif_napi_add_weight(ndev, &ag->napi, ag71xx_poll,
+			      AG71XX_NAPI_WEIGHT);
 
 	err = clk_prepare_enable(ag->clk_eth);
 	if (err) {

diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.c b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -1859,7 +1859,7 @@ static int bcm_enet_probe(struct platform_device *pdev)
 
 	/* register netdevice */
 	dev->netdev_ops = &bcm_enet_ops;
-	netif_napi_add(dev, &priv->napi, bcm_enet_poll, 16);
+	netif_napi_add_weight(dev, &priv->napi, bcm_enet_poll, 16);
 
 	dev->ethtool_ops = &bcm_enet_ethtool_ops;
 	/* MTU range: 46 - 2028 */
@@ -2714,7 +2714,7 @@ static int bcm_enetsw_probe(struct platform_device *pdev)
 
 	/* register netdevice */
 	dev->netdev_ops = &bcm_enetsw_ops;
-	netif_napi_add(dev, &priv->napi, bcm_enet_poll, 16);
+	netif_napi_add_weight(dev, &priv->napi, bcm_enet_poll, 16);
 	dev->ethtool_ops = &bcm_enetsw_ethtool_ops;
 	SET_NETDEV_DEV(dev, &pdev->dev);
 

diff --git a/drivers/net/ethernet/broadcom/sb1250-mac.c b/drivers/net/ethernet/broadcom/sb1250-mac.c
@@ -2203,7 +2203,7 @@ static int sbmac_init(struct platform_device *pldev, long long base)
 	dev->min_mtu = 0;
 	dev->max_mtu = ENET_PACKET_SIZE;
 
-	netif_napi_add(dev, &sc->napi, sbmac_poll, 16);
+	netif_napi_add_weight(dev, &sc->napi, sbmac_poll, 16);
 
 	dev->irq		= UNIT_INT(idx);
 

diff --git a/drivers/net/ethernet/dec/tulip/tulip_core.c b/drivers/net/ethernet/dec/tulip/tulip_core.c
@@ -1689,7 +1689,7 @@ static int tulip_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	dev->netdev_ops = &tulip_netdev_ops;
 	dev->watchdog_timeo = TX_TIMEOUT;
 #ifdef CONFIG_TULIP_NAPI
-	netif_napi_add(dev, &tp->napi, tulip_poll, 16);
+	netif_napi_add_weight(dev, &tp->napi, tulip_poll, 16);
 #endif
 	dev->ethtool_ops = &ops;
 

diff --git a/drivers/net/ethernet/ezchip/nps_enet.c b/drivers/net/ethernet/ezchip/nps_enet.c
@@ -612,8 +612,8 @@ static s32 nps_enet_probe(struct platform_device *pdev)
 		goto out_netdev;
 	}
 
-	netif_napi_add(ndev, &priv->napi, nps_enet_poll,
-		       NPS_ENET_NAPI_POLL_WEIGHT);
+	netif_napi_add_weight(ndev, &priv->napi, nps_enet_poll,
+			      NPS_ENET_NAPI_POLL_WEIGHT);
 
 	/* Register the driver. Should be the last thing in probe */
 	err = register_netdev(ndev);

diff --git a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c
@@ -1020,7 +1020,8 @@ static int fs_enet_probe(struct platform_device *ofdev)
 	ndev->netdev_ops = &fs_enet_netdev_ops;
 	ndev->watchdog_timeo = 2 * HZ;
 	INIT_WORK(&fep->timeout_work, fs_timeout_work);
-	netif_napi_add(ndev, &fep->napi, fs_enet_napi, fpi->napi_weight);
+	netif_napi_add_weight(ndev, &fep->napi, fs_enet_napi,
+			      fpi->napi_weight);
 
 	ndev->ethtool_ops = &fs_ethtool_ops;
 

diff --git a/drivers/net/ethernet/hisilicon/hisi_femac.c b/drivers/net/ethernet/hisilicon/hisi_femac.c
@@ -852,7 +852,8 @@ static int hisi_femac_drv_probe(struct platform_device *pdev)
 	ndev->priv_flags |= IFF_UNICAST_FLT;
 	ndev->netdev_ops = &hisi_femac_netdev_ops;
 	ndev->ethtool_ops = &hisi_femac_ethtools_ops;
-	netif_napi_add(ndev, &priv->napi, hisi_femac_poll, FEMAC_POLL_WEIGHT);
+	netif_napi_add_weight(ndev, &priv->napi, hisi_femac_poll,
+			      FEMAC_POLL_WEIGHT);
 
 	hisi_femac_port_init(priv);
 

diff --git a/drivers/net/ethernet/huawei/hinic/hinic_rx.c b/drivers/net/ethernet/huawei/hinic/hinic_rx.c
@@ -481,7 +481,8 @@ static void rx_add_napi(struct hinic_rxq *rxq)
 {
 	struct hinic_dev *nic_dev = netdev_priv(rxq->netdev);
 
-	netif_napi_add(rxq->netdev, &rxq->napi, rx_poll, nic_dev->rx_weight);
+	netif_napi_add_weight(rxq->netdev, &rxq->napi, rx_poll,
+			      nic_dev->rx_weight);
 	napi_enable(&rxq->napi);
 }
 

diff --git a/drivers/net/ethernet/huawei/hinic/hinic_tx.c b/drivers/net/ethernet/huawei/hinic/hinic_tx.c
@@ -809,7 +809,8 @@ static int tx_request_irq(struct hinic_txq *txq)
 
 	qp = container_of(sq, struct hinic_qp, sq);
 
-	netif_napi_add(txq->netdev, &txq->napi, free_tx_poll, nic_dev->tx_weight);
+	netif_napi_add_weight(txq->netdev, &txq->napi, free_tx_poll,
+			      nic_dev->tx_weight);
 
 	hinic_hwdev_msix_set(nic_dev->hwdev, sq->msix_entry,
 			     TX_IRQ_NO_PENDING, TX_IRQ_NO_COALESC,

diff --git a/drivers/net/ethernet/ibm/emac/mal.c b/drivers/net/ethernet/ibm/emac/mal.c
@@ -605,8 +605,8 @@ static int mal_probe(struct platform_device *ofdev)
 
 	init_dummy_netdev(&mal->dummy_dev);
 
-	netif_napi_add(&mal->dummy_dev, &mal->napi, mal_poll,
-		       CONFIG_IBM_EMAC_POLL_WEIGHT);
+	netif_napi_add_weight(&mal->dummy_dev, &mal->napi, mal_poll,
+			      CONFIG_IBM_EMAC_POLL_WEIGHT);
 
 	/* Load power-on reset defaults */
 	mal_reset(mal);

diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c
@@ -1674,7 +1674,7 @@ static int ibmveth_probe(struct vio_dev *dev, const struct vio_device_id *id)
 	adapter->pool_config = 0;
 	ibmveth_init_link_settings(netdev);
 
-	netif_napi_add(netdev, &adapter->napi, ibmveth_poll, 16);
+	netif_napi_add_weight(netdev, &adapter->napi, ibmveth_poll, 16);
 
 	netdev->irq = dev->irq;
 	netdev->netdev_ops = &ibmveth_netdev_ops;

diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c
@@ -2848,7 +2848,7 @@ static int e100_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
 
 	nic = netdev_priv(netdev);
-	netif_napi_add(netdev, &nic->napi, e100_poll, E100_NAPI_WEIGHT);
+	netif_napi_add_weight(netdev, &nic->napi, e100_poll, E100_NAPI_WEIGHT);
 	nic->netdev = netdev;
 	nic->pdev = pdev;
 	nic->msg_enable = (1 << debug) - 1;

diff --git a/drivers/net/ethernet/lantiq_etop.c b/drivers/net/ethernet/lantiq_etop.c
@@ -701,11 +701,11 @@ ltq_etop_probe(struct platform_device *pdev)
 
 	for (i = 0; i < MAX_DMA_CHAN; i++) {
 		if (IS_TX(i))
-			netif_napi_add(dev, &priv->ch[i].napi,
-				       ltq_etop_poll_tx, 8);
+			netif_napi_add_weight(dev, &priv->ch[i].napi,
+					      ltq_etop_poll_tx, 8);
 		else if (IS_RX(i))
-			netif_napi_add(dev, &priv->ch[i].napi,
-				       ltq_etop_poll_rx, 32);
+			netif_napi_add_weight(dev, &priv->ch[i].napi,
+					      ltq_etop_poll_rx, 32);
 		priv->ch[i].netdev = dev;
 	}
 

diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c
@@ -1486,7 +1486,8 @@ static int pxa168_eth_probe(struct platform_device *pdev)
 
 	/* Hardware supports only 3 ports */
 	BUG_ON(pep->port_num > 2);
-	netif_napi_add(dev, &pep->napi, pxa168_rx_poll, pep->rx_ring_size);
+	netif_napi_add_weight(dev, &pep->napi, pxa168_rx_poll,
+			      pep->rx_ring_size);
 
 	memset(&pep->timeout, 0, sizeof(struct timer_list));
 	timer_setup(&pep->timeout, rxq_refill_timer_wrapper, 0);

diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_fdma.c b/drivers/net/ethernet/microchip/sparx5/sparx5_fdma.c
@@ -381,7 +381,8 @@ static int sparx5_fdma_rx_alloc(struct sparx5 *sparx5)
 		}
 		sparx5_fdma_rx_add_dcb(rx, dcb, rx->dma + sizeof(*dcb) * idx);
 	}
-	netif_napi_add(rx->ndev, &rx->napi, sparx5_fdma_napi_callback, FDMA_WEIGHT);
+	netif_napi_add_weight(rx->ndev, &rx->napi, sparx5_fdma_napi_callback,
+			      FDMA_WEIGHT);
 	napi_enable(&rx->napi);
 	sparx5_fdma_rx_activate(sparx5, rx);
 	return 0;

diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c
@@ -1602,7 +1602,7 @@ static struct mana_rxq *mana_create_rxq(struct mana_port_context *apc,
 
 	gc->cq_table[cq->gdma_id] = cq->gdma_cq;
 
-	netif_napi_add(ndev, &cq->napi, mana_poll, 1);
+	netif_napi_add_weight(ndev, &cq->napi, mana_poll, 1);
 
 	WARN_ON(xdp_rxq_info_reg(&rxq->xdp_rxq, ndev, rxq_idx,
 				 cq->napi.napi_id));

diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c
@@ -533,7 +533,7 @@ static int moxart_mac_probe(struct platform_device *pdev)
 	}
 
 	ndev->netdev_ops = &moxart_netdev_ops;
-	netif_napi_add(ndev, &priv->napi, moxart_rx_poll, RX_DESC_NUM);
+	netif_napi_add_weight(ndev, &priv->napi, moxart_rx_poll, RX_DESC_NUM);
 	ndev->priv_flags |= IFF_UNICAST_FLT;
 	ndev->irq = irq;
 

diff --git a/drivers/net/ethernet/mscc/ocelot_fdma.c b/drivers/net/ethernet/mscc/ocelot_fdma.c
@@ -799,8 +799,8 @@ void ocelot_fdma_netdev_init(struct ocelot *ocelot, struct net_device *dev)
 		return;
 
 	fdma->ndev = dev;
-	netif_napi_add(dev, &fdma->napi, ocelot_fdma_napi_poll,
-		       OCELOT_FDMA_WEIGHT);
+	netif_napi_add_weight(dev, &fdma->napi, ocelot_fdma_napi_poll,
+			      OCELOT_FDMA_WEIGHT);
 }
 
 void ocelot_fdma_netdev_deinit(struct ocelot *ocelot, struct net_device *dev)

diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c
@@ -3586,8 +3586,8 @@ static int myri10ge_alloc_slices(struct myri10ge_priv *mgp)
 			goto abort;
 		ss->mgp = mgp;
 		ss->dev = mgp->dev;
-		netif_napi_add(ss->dev, &ss->napi, myri10ge_poll,
-			       myri10ge_napi_weight);
+		netif_napi_add_weight(ss->dev, &ss->napi, myri10ge_poll,
+				      myri10ge_napi_weight);
 	}
 	return 0;
 abort:

diff --git a/drivers/net/ethernet/neterion/vxge/vxge-main.c b/drivers/net/ethernet/neterion/vxge/vxge-main.c
@@ -2720,8 +2720,8 @@ static int vxge_open(struct net_device *dev)
 	}
 
 	if (vdev->config.intr_type != MSI_X) {
-		netif_napi_add(dev, &vdev->napi, vxge_poll_inta,
-			vdev->config.napi_weight);
+		netif_napi_add_weight(dev, &vdev->napi, vxge_poll_inta,
+				      vdev->config.napi_weight);
 		napi_enable(&vdev->napi);
 		for (i = 0; i < vdev->no_of_vpath; i++) {
 			vpath = &vdev->vpaths[i];
@@ -2730,8 +2730,9 @@ static int vxge_open(struct net_device *dev)
 	} else {
 		for (i = 0; i < vdev->no_of_vpath; i++) {
 			vpath = &vdev->vpaths[i];
-			netif_napi_add(dev, &vpath->ring.napi,
-			    vxge_poll_msix, vdev->config.napi_weight);
+			netif_napi_add_weight(dev, &vpath->ring.napi,
+					      vxge_poll_msix,
+					      vdev->config.napi_weight);
 			napi_enable(&vpath->ring.napi);
 			vpath->ring.napi_p = &vpath->ring.napi;
 		}

diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c
@@ -1373,7 +1373,7 @@ static int lpc_eth_drv_probe(struct platform_device *pdev)
 	pldat->duplex = DUPLEX_FULL;
 	__lpc_params_setup(pldat);
 
-	netif_napi_add(ndev, &pldat->napi, lpc_eth_poll, NAPI_WEIGHT);
+	netif_napi_add_weight(ndev, &pldat->napi, lpc_eth_poll, NAPI_WEIGHT);
 
 	ret = register_netdev(ndev);
 	if (ret) {

diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c
@@ -1986,7 +1986,7 @@ static int cp_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	eth_hw_addr_set(dev, (u8 *)addr);
 
 	dev->netdev_ops = &cp_netdev_ops;
-	netif_napi_add(dev, &cp->napi, cp_rx_poll, 16);
+	netif_napi_add_weight(dev, &cp->napi, cp_rx_poll, 16);
 	dev->ethtool_ops = &cp_ethtool_ops;
 	dev->watchdog_timeo = TX_TIMEOUT;
 

diff --git a/drivers/net/ethernet/sfc/efx_channels.c b/drivers/net/ethernet/sfc/efx_channels.c
@@ -1316,8 +1316,8 @@ void efx_init_napi_channel(struct efx_channel *channel)
 	struct efx_nic *efx = channel->efx;
 
 	channel->napi_dev = efx->net_dev;
-	netif_napi_add(channel->napi_dev, &channel->napi_str,
-		       efx_poll, napi_weight);
+	netif_napi_add_weight(channel->napi_dev, &channel->napi_str, efx_poll,
+			      napi_weight);
 }
 
 void efx_init_napi(struct efx_nic *efx)

diff --git a/drivers/net/ethernet/sfc/falcon/efx.c b/drivers/net/ethernet/sfc/falcon/efx.c
@@ -2017,8 +2017,8 @@ static void ef4_init_napi_channel(struct ef4_channel *channel)
 	struct ef4_nic *efx = channel->efx;
 
 	channel->napi_dev = efx->net_dev;
-	netif_napi_add(channel->napi_dev, &channel->napi_str,
-		       ef4_poll, napi_weight);
+	netif_napi_add_weight(channel->napi_dev, &channel->napi_str, ef4_poll,
+			      napi_weight);
 }
 
 static void ef4_init_napi(struct ef4_nic *efx)

diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c
@@ -2304,7 +2304,8 @@ static int smsc911x_init(struct net_device *dev)
 		return -ENODEV;
 
 	dev->flags |= IFF_MULTICAST;
-	netif_napi_add(dev, &pdata->napi, smsc911x_poll, SMSC_NAPI_WEIGHT);
+	netif_napi_add_weight(dev, &pdata->napi, smsc911x_poll,
+			      SMSC_NAPI_WEIGHT);
 	dev->netdev_ops = &smsc911x_netdev_ops;
 	dev->ethtool_ops = &smsc911x_ethtool_ops;
 

diff --git a/drivers/net/ethernet/toshiba/tc35815.c b/drivers/net/ethernet/toshiba/tc35815.c
@@ -804,7 +804,7 @@ static int tc35815_init_one(struct pci_dev *pdev,
 	dev->netdev_ops = &tc35815_netdev_ops;
 	dev->ethtool_ops = &tc35815_ethtool_ops;
 	dev->watchdog_timeo = TC35815_TX_TIMEOUT;
-	netif_napi_add(dev, &lp->napi, tc35815_poll, NAPI_WEIGHT);
+	netif_napi_add_weight(dev, &lp->napi, tc35815_poll, NAPI_WEIGHT);
 
 	dev->irq = pdev->irq;
 	dev->base_addr = (unsigned long)ioaddr;

diff --git a/drivers/net/ethernet/wiznet/w5100.c b/drivers/net/ethernet/wiznet/w5100.c
@@ -1133,7 +1133,7 @@ int w5100_probe(struct device *dev, const struct w5100_ops *ops,
 
 	ndev->netdev_ops = &w5100_netdev_ops;
 	ndev->ethtool_ops = &w5100_ethtool_ops;
-	netif_napi_add(ndev, &priv->napi, w5100_napi_poll, 16);
+	netif_napi_add_weight(ndev, &priv->napi, w5100_napi_poll, 16);
 
 	/* This chip doesn't support VLAN packets with normal MTU,
 	 * so disable VLAN for this device.

diff --git a/drivers/net/ethernet/wiznet/w5300.c b/drivers/net/ethernet/wiznet/w5300.c
@@ -603,7 +603,7 @@ static int w5300_probe(struct platform_device *pdev)
 	ndev->netdev_ops = &w5300_netdev_ops;
 	ndev->ethtool_ops = &w5300_ethtool_ops;
 	ndev->watchdog_timeo = HZ;
-	netif_napi_add(ndev, &priv->napi, w5300_napi_poll, 16);
+	netif_napi_add_weight(ndev, &priv->napi, w5300_napi_poll, 16);
 
 	/* This chip doesn't support VLAN packets with normal MTU,
 	 * so disable VLAN for this device.

diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c
@@ -1480,7 +1480,7 @@ static int ixp4xx_eth_probe(struct platform_device *pdev)
 	ndev->dev.dma_mask = dev->dma_mask;
 	ndev->dev.coherent_dma_mask = dev->coherent_dma_mask;
 
-	netif_napi_add(ndev, &port->napi, eth_poll, NAPI_WEIGHT);
+	netif_napi_add_weight(ndev, &port->napi, eth_poll, NAPI_WEIGHT);
 
 	if (!(port->npe = npe_request(NPE_ID(port->id))))
 		return -EIO;