etherlabmaster: comparison devices/e1000/e1000

equal deleted inserted replaced

-:f57de4585a5f
+:2223549df36c
 static void e1000_82547_tx_fifo_stall(unsigned long data);
 static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev);
 static struct net_device_stats * e1000_get_stats(struct net_device *netdev);
 static int e1000_change_mtu(struct net_device *netdev, int new_mtu);
 static int e1000_set_mac(struct net_device *netdev, void *p);
+void ec_poll(struct net_device *);
 static irqreturn_t e1000_intr(int irq, void *data, struct pt_regs *regs);
 static boolean_t e1000_clean_tx_irq(struct e1000_adapter *adapter,
 struct e1000_tx_ring *tx_ring);
 #ifdef CONFIG_E1000_NAPI
 static int e1000_clean(struct net_device *poll_dev, int *budget);
 		        "Unable to allocate interrupt Error: %d\n", err);
 	return err;
 }
-static void e1000_free_irq(struct e1000_adapter *adapter)
+static void e1000_free_irq(struct e1000_adapter *adapter) // not called when EtherCAT
 {
 	struct net_device *netdev = adapter->netdev;
 	free_irq(adapter->pdev->irq, netdev);
 	 * of the driver. */
 	if (adapter->hw.mac_type != e1000_82573 ||
 	    !e1000_check_mng_mode(&adapter->hw))
 		e1000_get_hw_control(adapter);
-	strcpy(netdev->name, "eth%d");
+	// offer device to EtherCAT master module
-	if ((err = register_netdev(netdev)))
+	if (ecdev_offer(netdev, ec_poll, THIS_MODULE, &adapter->ecdev)) {
+		DPRINTK(PROBE, ERR, "Failed to offer device.\n");
 		goto err_register;
+	}
+	if (adapter->ecdev) {
+		if (ecdev_open(adapter->ecdev)) {
+			ecdev_withdraw(adapter->ecdev);
+			goto err_register;
+		}
+	} else {
+		strcpy(netdev->name, "eth%d");
+		if ((err = register_netdev(netdev)))
+			goto err_register;
+	}
+	return 0;
 	DPRINTK(PROBE, INFO, "Intel(R) PRO/1000 Network Connection\n");
 	cards_found++;
 	return 0;
 	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
 	 * would have already happened in close and is redundant. */
 	e1000_release_hw_control(adapter);
-	unregister_netdev(netdev);
+	if (adapter->ecdev) {
+		ecdev_close(adapter->ecdev);
+		ecdev_withdraw(adapter->ecdev);
+	} else {
+		unregister_netdev(netdev);
+	}
 #ifdef CONFIG_E1000_NAPI
 	for (i = 0; i < adapter->num_rx_queues; i++)
 		dev_put(&adapter->polling_netdev[i]);
 #endif
 	/* allocate receive descriptors */
 	if ((err = e1000_setup_all_rx_resources(adapter)))
 		goto err_setup_rx;
-if (!adapter->ecdev) {
+	if (!adapter->ecdev) {
 		err = e1000_request_irq(adapter);
 		if (err)
 			goto err_up;
 	}
 	struct e1000_adapter *adapter = netdev_priv(netdev);
 	WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
 	e1000_down(adapter);
 	e1000_power_down_phy(adapter);
-	e1000_free_irq(adapter);
+	if (!adapter->ecdev) e1000_free_irq(adapter);
 	e1000_free_all_tx_resources(adapter);
 	e1000_free_all_rx_resources(adapter);
 	if ((adapter->hw.mng_cookie.status &
 	rctl |= E1000_RCTL_RST;
 	E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
 	E1000_WRITE_FLUSH(&adapter->hw);
 	mdelay(5);
-	if (!adapter->ecdev || netif_running(netdev))
+	if (!adapter->ecdev && netif_running(netdev))
 		e1000_clean_all_rx_rings(adapter);
 }
 static void
 e1000_leave_82542_rst(struct e1000_adapter *adapter)
 	mdelay(5);
 	if (adapter->hw.pci_cmd_word & PCI_COMMAND_INVALIDATE)
 		e1000_pci_set_mwi(&adapter->hw);
-	if (!adapter->ecdev || netif_running(netdev)) {
+	if (!adapter->ecdev && netif_running(netdev)) {
 		/* No need to loop, because 82542 supports only 1 queue */
 		struct e1000_rx_ring *ring = &adapter->rx_ring[0];
 		e1000_configure_rx(adapter);
 		adapter->alloc_rx_buf(adapter, ring, E1000_DESC_UNUSED(ring));
 	}
 		link = !adapter->hw.serdes_link_down;
 	else
 		link = E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU;
 	if (link) {
-		if ((adapter->ecdev && !ecdev_link_up(adapter->ecdev))
+		if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev))
-|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
+				|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
 			boolean_t txb2b = 1;
 			e1000_get_speed_and_duplex(&adapter->hw,
 			                           &adapter->link_speed,
 			                           &adapter->link_duplex);
 			tctl = E1000_READ_REG(&adapter->hw, TCTL);
 			tctl |= E1000_TCTL_EN;
 			E1000_WRITE_REG(&adapter->hw, TCTL, tctl);
 			if (adapter->ecdev) {
-ecdev_link_state(1);
+				ecdev_set_link(adapter->ecdev, 1);
-} else {
+			} else {
-netif_carrier_on(netdev);
+				netif_carrier_on(netdev);
-netif_wake_queue(netdev);
+				netif_wake_queue(netdev);
-}
+			}
 			mod_timer(&adapter->phy_info_timer, jiffies + 2 * HZ);
 			adapter->smartspeed = 0;
 		}
 	} else {
-		if ((adapter->ecdev && ecdev_link_up(adapter->ecdev))
+		if ((adapter->ecdev && ecdev_get_link(adapter->ecdev))
-|| (!adapter->ecdev && netif_carrier_ok(netdev))) {
+				|| (!adapter->ecdev && netif_carrier_ok(netdev))) {
 			adapter->link_speed = 0;
 			adapter->link_duplex = 0;
 			DPRINTK(LINK, INFO, "NIC Link is Down\n");
-if (adapter->ecdev) {
+			if (adapter->ecdev) {
-ecdev_link_state(0);
+				ecdev_set_link(adapter->ecdev, 0);
-} else {
+			} else {
-netif_carrier_off(netdev);
+				netif_carrier_off(netdev);
-netif_stop_queue(netdev);
+				netif_stop_queue(netdev);
-}
+			}
 			mod_timer(&adapter->phy_info_timer, jiffies + 2 * HZ);
 			/* 80003ES2LAN workaround--
 			 * For packet buffer work-around on link down event;
 			 * disable receives in the ISR and
 	adapter->gotcl = adapter->stats.gotcl - adapter->gotcl_old;
 	adapter->gotcl_old = adapter->stats.gotcl;
 	e1000_update_adaptive(&adapter->hw);
-	if ((adapter->ecdev && !ecdev_link_up(adapter->ecdev))
+	if ((adapter->ecdev && !ecdev_get_link(adapter->ecdev))
-|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
+			|| (!adapter->ecdev && !netif_carrier_ok(netdev))) {
 		if (E1000_DESC_UNUSED(txdr) + 1 < txdr->count) {
 			/* We've lost link, so the controller stops DMA,
 			 * but we've got queued Tx work that's never going
 			 * to get done, so reset controller to flush Tx.
 			 * (Do the reset outside of interrupt context). */
 	struct e1000_tx_ring *tx_ring;
 	unsigned int first, max_per_txd = E1000_MAX_DATA_PER_TXD;
 	unsigned int max_txd_pwr = E1000_MAX_TXD_PWR;
 	unsigned int tx_flags = 0;
 	unsigned int len = skb->len;
-	unsigned long flags;
+	unsigned long flags = 0;
 	unsigned int nr_frags = 0;
 	unsigned int mss = 0;
 	int count = 0;
 	int tso;
 	unsigned int f;
 	len -= skb->data_len;
 	tx_ring = adapter->tx_ring;
 	if (unlikely(skb->len <= 0)) {
-if (!adapter->ecdev)
+		if (!adapter->ecdev)
-dev_kfree_skb_any(skb);
+			dev_kfree_skb_any(skb);
 		return NETDEV_TX_OK;
 	}
 #ifdef NETIF_F_TSO
 	mss = skb_shinfo(skb)->gso_size;
 				pull_size = min((unsigned int)4, skb->data_len);
 				if (!__pskb_pull_tail(skb, pull_size)) {
 					DPRINTK(DRV, ERR,
 						"__pskb_pull_tail failed.\n");
 					if (!adapter->ecdev)
-dev_kfree_skb_any(skb);
+						dev_kfree_skb_any(skb);
 					return NETDEV_TX_OK;
 				}
 				len = skb->len - skb->data_len;
 				break;
 			default:
 	if (adapter->hw.tx_pkt_filtering &&
 	    (adapter->hw.mac_type == e1000_82573))
 		e1000_transfer_dhcp_info(adapter, skb);
-if (!adapter->ecdev) {
+	if (!adapter->ecdev) {
-local_irq_save(flags);
+		local_irq_save(flags);
-if (!spin_trylock(&tx_ring->tx_lock)) {
+		if (!spin_trylock(&tx_ring->tx_lock)) {
-/* Collision - tell upper layer to requeue */
+			/* Collision - tell upper layer to requeue */
-local_irq_restore(flags);
+			local_irq_restore(flags);
-return NETDEV_TX_LOCKED;
+			return NETDEV_TX_LOCKED;
-}
+		}
-}
+	}
 	/* need: count + 2 desc gap to keep tail from touching
 	 * head, otherwise try next time */
 	if (unlikely(E1000_DESC_UNUSED(tx_ring) < count + 2)) {
-if (!adapter->ecdev) {
+		if (!adapter->ecdev) {
-netif_stop_queue(netdev);
+			netif_stop_queue(netdev);
-spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
+			spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
-}
+		}
 		return NETDEV_TX_BUSY;
 	}
 	if (unlikely(adapter->hw.mac_type == e1000_82547)) {
 		if (unlikely(e1000_82547_fifo_workaround(adapter, skb))) {
-if (!adapter->ecdev)
+			if (!adapter->ecdev)
-netif_stop_queue(netdev);
+				netif_stop_queue(netdev);
 			mod_timer(&adapter->tx_fifo_stall_timer, jiffies);
-if (!adapter->ecdev)
+			if (!adapter->ecdev)
-spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
+				spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
 			return NETDEV_TX_BUSY;
 		}
 	}
 	if (unlikely(adapter->vlgrp && vlan_tx_tag_present(skb))) {
 	first = tx_ring->next_to_use;
 	tso = e1000_tso(adapter, tx_ring, skb);
 	if (tso < 0) {
-if (!adapter->ecdev) {
+		if (!adapter->ecdev) {
-dev_kfree_skb_any(skb);
+			dev_kfree_skb_any(skb);
-spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
+			spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
-}
+		}
 		return NETDEV_TX_OK;
 	}
 	if (likely(tso)) {
 		tx_ring->last_tx_tso = 1;
 	netdev->trans_start = jiffies;
 	/* Make sure there is space in the ring for the next send. */
 	if (!adapter->ecdev) {
-if (unlikely(E1000_DESC_UNUSED(tx_ring) < MAX_SKB_FRAGS + 2))
+		if (unlikely(E1000_DESC_UNUSED(tx_ring) < MAX_SKB_FRAGS + 2))
-		netif_stop_queue(netdev);
+			netif_stop_queue(netdev);
-spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
+		spin_unlock_irqrestore(&tx_ring->tx_lock, flags);
-}
+	}
 	return NETDEV_TX_OK;
 }
 /**
 * e1000_tx_timeout - Respond to a Tx Hang
 void
 e1000_update_stats(struct e1000_adapter *adapter)
 {
 	struct e1000_hw *hw = &adapter->hw;
 	struct pci_dev *pdev = adapter->pdev;
-	unsigned long flags;
+	unsigned long flags = 0;
 	uint16_t phy_tmp;
 #define PHY_IDLE_ERROR_COUNT_MASK 0x00FF
 	/*
 	if (adapter->link_speed == 0)
 		return;
 	if (pdev->error_state && pdev->error_state != pci_channel_io_normal)
 		return;
-if (!adapter->ecdev)
+	if (!adapter->ecdev)
-spin_lock_irqsave(&adapter->stats_lock, flags);
+		spin_lock_irqsave(&adapter->stats_lock, flags);
 	/* these counters are modified from e1000_adjust_tbi_stats,
 	 * called from the interrupt context, so they must only
 	 * be written while holding adapter->stats_lock
 	 */
 		   (hw->phy_type == e1000_phy_m88) &&
 		   !e1000_read_phy_reg(hw, M88E1000_RX_ERR_CNTR, &phy_tmp))
 			adapter->phy_stats.receive_errors += phy_tmp;
 	}
-if (!adapter->ecdev)
+	if (!adapter->ecdev)
-spin_unlock_irqrestore(&adapter->stats_lock, flags);
+		spin_unlock_irqrestore(&adapter->stats_lock, flags);
+}
+void ec_poll(struct net_device *dev)
+{
+e1000_intr(0, dev, NULL);
 }
 /**
 * e1000_intr - Interrupt Handler
 * @irq: interrupt number
 		atomic_inc(&adapter->irq_sem);
 #endif
 	if (unlikely(!icr)) {
 #ifdef CONFIG_E1000_NAPI
-		if (!adapter->ecdev && hw->mac_type >= e1000_82571)
+		if (hw->mac_type >= e1000_82571)
 			e1000_irq_enable(adapter);
 #endif
 		return IRQ_NONE;  /* Not our interrupt */
 	}
 		/* 80003ES2LAN workaround--
 		 * For packet buffer work-around on link down event;
 		 * disable receives here in the ISR and
 		 * reset adapter in watchdog
 		 */
-		if (((adapter->ecdev && ecdev_link_up(adapter->ecdev))
+		if (((adapter->ecdev && ecdev_get_link(adapter->ecdev))
-|| (!adapter->ecdev && netif_carrier_ok(netdev))) &&
+					|| (!adapter->ecdev && netif_carrier_ok(netdev))) &&
-		    (adapter->hw.mac_type == e1000_80003es2lan)) {
+				(adapter->hw.mac_type == e1000_80003es2lan)) {
 			/* disable receives */
 			rctl = E1000_READ_REG(hw, RCTL);
 			E1000_WRITE_REG(hw, RCTL, rctl & ~E1000_RCTL_EN);
 		}
 		mod_timer(&adapter->watchdog_timer, jiffies);
 	if (unlikely(hw->mac_type < e1000_82571)) {
 		atomic_inc(&adapter->irq_sem);
 		E1000_WRITE_REG(hw, IMC, ~0);
 		E1000_WRITE_FLUSH(hw);
 	}
-if (!adapter->ecdev) {
+	if (!adapter->ecdev) {
-if (likely(netif_rx_schedule_prep(netdev)))
+		if (likely(netif_rx_schedule_prep(netdev)))
-__netif_rx_schedule(netdev);
+			__netif_rx_schedule(netdev);
-else
+		else
-e1000_irq_enable(adapter);
+			e1000_irq_enable(adapter);
-}
+	}
 #else
-/* Writing IMC and IMS is needed for 82547.
+	/* Writing IMC and IMS is needed for 82547.
-* Due to Hub Link bus being occupied, an interrupt
+	 * Due to Hub Link bus being occupied, an interrupt
 	 * de-assertion message is not able to be sent.
 	 * When an interrupt assertion message is generated later,
 	 * two messages are re-ordered and sent out.
 	 * That causes APIC to think 82547 is in de-assertion
 	 * state, while 82547 is in assertion state, resulting
 	for (i = 0; i < E1000_MAX_INTR; i++)
 		if (unlikely(!adapter->clean_rx(adapter, adapter->rx_ring) &
 		   !e1000_clean_tx_irq(adapter, adapter->tx_ring)))
 			break;
-	if (!adapter->ecdev
+	if (hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2)
-&& (hw->mac_type == e1000_82547 || hw->mac_type == e1000_82547_rev_2))
 		e1000_irq_enable(adapter);
 #endif
 	return IRQ_HANDLED;
 	tx_ring->next_to_clean = i;
 #define TX_WAKE_THRESHOLD 32
 	if (unlikely(!adapter->ecdev && cleaned && netif_queue_stopped(netdev) &&
-	             netif_carrier_ok(netdev))) {
+				netif_carrier_ok(netdev))) {
 		spin_lock(&tx_ring->tx_lock);
 		if (netif_queue_stopped(netdev) &&
-		    (E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD))
+				(E1000_DESC_UNUSED(tx_ring) >= TX_WAKE_THRESHOLD))
 			netif_wake_queue(netdev);
 		spin_unlock(&tx_ring->tx_lock);
 	}
 	if (adapter->detect_tx_hung) {
 					"buffer_info[next_to_clean]\n"
 					"  time_stamp           <%lx>\n"
 					"  next_to_watch        <%x>\n"
 					"  jiffies              <%lx>\n"
 					"  next_to_watch.status <%x>\n",
-				(unsigned long)((tx_ring - adapter->tx_ring) /
+					(unsigned long)((tx_ring - adapter->tx_ring) /
-					sizeof(struct e1000_tx_ring)),
+						sizeof(struct e1000_tx_ring)),
-				readl(adapter->hw.hw_addr + tx_ring->tdh),
+					readl(adapter->hw.hw_addr + tx_ring->tdh),
-				readl(adapter->hw.hw_addr + tx_ring->tdt),
+					readl(adapter->hw.hw_addr + tx_ring->tdt),
-				tx_ring->next_to_use,
+					tx_ring->next_to_use,
-				tx_ring->next_to_clean,
+					tx_ring->next_to_clean,
-				tx_ring->buffer_info[eop].time_stamp,
+					tx_ring->buffer_info[eop].time_stamp,
-				eop,
+					eop,
-				jiffies,
+					jiffies,
-				eop_desc->upper.fields.status);
+					eop_desc->upper.fields.status);
-			netif_stop_queue(netdev);
+			if (!adapter->ecdev) netif_stop_queue(netdev);
 		}
 	}
 	return cleaned;
 }
 			break;
 		(*work_done)++;
 #endif
 		status = rx_desc->status;
 		skb = buffer_info->skb;
-		buffer_info->skb = NULL;
+		if (!adapter->ecdev) buffer_info->skb = NULL;
 		prefetch(skb->data - NET_IP_ALIGN);
 		if (++i == rx_ring->count) i = 0;
 		next_rxd = E1000_RX_DESC(*rx_ring, i);
 		}
 		if (!adapter->ecdev && unlikely(rx_desc->errors & E1000_RXD_ERR_FRAME_ERR_MASK)) {
 			last_byte = *(skb->data + length - 1);
 			if (TBI_ACCEPT(&adapter->hw, status,
-			              rx_desc->errors, length, last_byte)) {
+						rx_desc->errors, length, last_byte)) {
 				spin_lock_irqsave(&adapter->stats_lock, flags);
 				e1000_tbi_adjust_stats(&adapter->hw,
-				                       &adapter->stats,
+						&adapter->stats,
-				                       length, skb->data);
+						length, skb->data);
 				spin_unlock_irqrestore(&adapter->stats_lock,
-				                       flags);
+						flags);
 				length--;
 			} else {
 				/* recycle */
 				buffer_info->skb = skb;
 				goto next_desc;
 		 * performance for small packets with large amounts
 		 * of reassembly being done in the stack */
 #define E1000_CB_LENGTH 256
 		if (!adapter->ecdev && length < E1000_CB_LENGTH) {
 			struct sk_buff *new_skb =
-			    netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
+				netdev_alloc_skb(netdev, length + NET_IP_ALIGN);
 			if (new_skb) {
 				skb_reserve(new_skb, NET_IP_ALIGN);
 				new_skb->dev = netdev;
 				memcpy(new_skb->data - NET_IP_ALIGN,
-				       skb->data - NET_IP_ALIGN,
+						skb->data - NET_IP_ALIGN,
-				       length + NET_IP_ALIGN);
+						length + NET_IP_ALIGN);
 				/* save the skb in buffer_info as good */
 				buffer_info->skb = skb;
 				skb = new_skb;
 				skb_put(skb, length);
 			}
 		e1000_rx_checksum(adapter,
 				  (uint32_t)(status) |
 				  ((uint32_t)(rx_desc->errors) << 24),
 				  le16_to_cpu(rx_desc->csum), skb);
-		skb->protocol = eth_type_trans(skb, netdev);
+		if (adapter->ecdev) {
+			ecdev_receive(adapter->ecdev, skb->data, length);
+		} else {
+			skb->protocol = eth_type_trans(skb, netdev);
 #ifdef CONFIG_E1000_NAPI
-		if (unlikely(adapter->vlgrp &&
+if (unlikely(adapter->vlgrp &&
-			    (status & E1000_RXD_STAT_VP))) {
+(status & E1000_RXD_STAT_VP))) {
-			vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
+vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
-						 le16_to_cpu(rx_desc->special) &
+le16_to_cpu(rx_desc->special) &
-						 E1000_RXD_SPC_VLAN_MASK);
+E1000_RXD_SPC_VLAN_MASK);
-		} else {
+} else {
-			netif_receive_skb(skb);
+netif_receive_skb(skb);
-		}
+}
 #else /* CONFIG_E1000_NAPI */
-		if (unlikely(adapter->vlgrp &&
+if (unlikely(adapter->vlgrp &&
-			    (status & E1000_RXD_STAT_VP))) {
+(status & E1000_RXD_STAT_VP))) {
-			vlan_hwaccel_rx(skb, adapter->vlgrp,
+vlan_hwaccel_rx(skb, adapter->vlgrp,
-					le16_to_cpu(rx_desc->special) &
+le16_to_cpu(rx_desc->special) &
-					E1000_RXD_SPC_VLAN_MASK);
+E1000_RXD_SPC_VLAN_MASK);
-		} else {
+} else {
-			netif_rx(skb);
+netif_rx(skb);
-		}
+}
 #endif /* CONFIG_E1000_NAPI */
+}
 		netdev->last_rx = jiffies;
 next_desc:
 		rx_desc->status = 0;
 				 PCI_DMA_FROMDEVICE);
 		if (unlikely(!(staterr & E1000_RXD_STAT_EOP))) {
 			E1000_DBG("%s: Packet Split buffers didn't pick up"
 				  " the full packet\n", netdev->name);
-			dev_kfree_skb_irq(skb);
+			if (!adapter->ecdev) dev_kfree_skb_irq(skb);
 			goto next_desc;
 		}
 		if (unlikely(staterr & E1000_RXDEXT_ERR_FRAME_ERR_MASK)) {
-			dev_kfree_skb_irq(skb);
+			if (!adapter->ecdev) dev_kfree_skb_irq(skb);
 			goto next_desc;
 		}
 		length = le16_to_cpu(rx_desc->wb.middle.length0);
 		if (unlikely(!length)) {
 			E1000_DBG("%s: Last part of the packet spanning"
 				  " multiple descriptors\n", netdev->name);
-			dev_kfree_skb_irq(skb);
+			if (!adapter->ecdev) dev_kfree_skb_irq(skb);
 			goto next_desc;
 		}
 		/* Good Receive */
 		skb_put(skb, length);
 		pskb_trim(skb, skb->len - 4);
 copydone:
 		e1000_rx_checksum(adapter, staterr,
 				  le16_to_cpu(rx_desc->wb.lower.hi_dword.csum_ip.csum), skb);
-		skb->protocol = eth_type_trans(skb, netdev);
 		if (likely(rx_desc->wb.upper.header_status &
 			   cpu_to_le16(E1000_RXDPS_HDRSTAT_HDRSP)))
 			adapter->rx_hdr_split++;
+		if (adapter->ecdev) {
+			ecdev_receive(adapter->ecdev, skb->data, length);
+		} else {
+			skb->protocol = eth_type_trans(skb, netdev);
 #ifdef CONFIG_E1000_NAPI
-		if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
+			if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
-			vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
+				vlan_hwaccel_receive_skb(skb, adapter->vlgrp,
-				le16_to_cpu(rx_desc->wb.middle.vlan) &
+						le16_to_cpu(rx_desc->wb.middle.vlan) &
-				E1000_RXD_SPC_VLAN_MASK);
+						E1000_RXD_SPC_VLAN_MASK);
-		} else {
+			} else {
-			netif_receive_skb(skb);
+				netif_receive_skb(skb);
-		}
+			}
 #else /* CONFIG_E1000_NAPI */
-		if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
+			if (unlikely(adapter->vlgrp && (staterr & E1000_RXD_STAT_VP))) {
-			vlan_hwaccel_rx(skb, adapter->vlgrp,
+				vlan_hwaccel_rx(skb, adapter->vlgrp,
-				le16_to_cpu(rx_desc->wb.middle.vlan) &
+						le16_to_cpu(rx_desc->wb.middle.vlan) &
-				E1000_RXD_SPC_VLAN_MASK);
+						E1000_RXD_SPC_VLAN_MASK);
-		} else {
+			} else {
-			netif_rx(skb);
+				netif_rx(skb);
-		}
+			}
 #endif /* CONFIG_E1000_NAPI */
+		}
 		netdev->last_rx = jiffies;
 next_desc:
 		rx_desc->wb.middle.status_error &= cpu_to_le32(~0xFF);
-		buffer_info->skb = NULL;
+		if (!adapter->ecdev) buffer_info->skb = NULL;
 		/* return some buffers to hardware, one at a time is too slow */
-		if (unlikely(cleaned_count >= E1000_RX_BUFFER_WRITE)) {
+		if (unlikely(!adapter->ecdev && cleaned_count >= E1000_RX_BUFFER_WRITE)) {
 			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
 			cleaned_count = 0;
 		}
 		/* use prefetched values */
 		staterr = le32_to_cpu(rx_desc->wb.middle.status_error);
 	}
 	rx_ring->next_to_clean = i;
-	cleaned_count = E1000_DESC_UNUSED(rx_ring);
+	if (!adapter->ecdev) {
-	if (cleaned_count)
+		cleaned_count = E1000_DESC_UNUSED(rx_ring);
-		adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
+		if (cleaned_count)
+			adapter->alloc_rx_buf(adapter, rx_ring, cleaned_count);
+	}
 	return cleaned;
 }
 /**
 							&adapter->stats_lock,
 							flags);
 						return retval;
 					}
 				}
-				if (netif_running(adapter->netdev))
+				if (adapter->ecdev || netif_running(adapter->netdev))
 					e1000_reinit_locked(adapter);
 				else
 					e1000_reset(adapter);
 				break;
 			case M88E1000_PHY_SPEC_CTRL:
 		} else {
 			switch (data->reg_num) {
 			case PHY_CTRL:
 				if (mii_reg & MII_CR_POWER_DOWN)
 					break;
-				if (netif_running(adapter->netdev))
+				if (adapter->ecdev || netif_running(adapter->netdev))
 					e1000_reinit_locked(adapter);
 				else
 					e1000_reset(adapter);
 				break;
 			}
 	uint32_t wufc = adapter->wol;
 #ifdef CONFIG_PM
 	int retval = 0;
 #endif
-	netif_device_detach(netdev);
+	if (!adapter->ecdev)
+		netif_device_detach(netdev);
-	if (netif_running(netdev)) {
+	if (adapter->ecdev || netif_running(netdev)) {
 		WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
 		e1000_down(adapter);
 	}
 #ifdef CONFIG_PM
 	}
 	if (adapter->hw.phy_type == e1000_phy_igp_3)
 		e1000_phy_powerdown_workaround(&adapter->hw);
-	if (netif_running(netdev))
+	if (!adapter->ecdev && netif_running(netdev))
 		e1000_free_irq(adapter);
 	/* Release control of h/w to f/w.  If f/w is AMT enabled, this
 	 * would have already happened in close and is redundant. */
 	e1000_release_hw_control(adapter);
 	E1000_WRITE_REG(&adapter->hw, WUS, ~0);
 	if (adapter->ecdev || netif_running(netdev))
 		e1000_up(adapter);
-	if (adapter->ecdev) netif_device_attach(netdev);
+	if (!adapter->ecdev) netif_device_attach(netdev);
 	/* FIXME: this code is incorrect for PCI Express */
 	if (adapter->hw.mac_type >= e1000_82540 &&
 	   adapter->hw.mac_type != e1000_ich8lan &&
 	   adapter->hw.media_type == e1000_media_type_copper) {
 static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
 {
 	struct net_device *netdev = pci_get_drvdata(pdev);
 	struct e1000_adapter *adapter = netdev->priv;
-	netif_device_detach(netdev);
+	if (!adapter->ecdev)
+		netif_device_detach(netdev);
-	if (netif_running(netdev))
+	if (adapter->ecdev || netif_running(netdev))
 		e1000_down(adapter);
 	/* Request a slot slot reset. */
 	return PCI_ERS_RESULT_NEED_RESET;
 }
 {
 	struct net_device *netdev = pci_get_drvdata(pdev);
 	struct e1000_adapter *adapter = netdev->priv;
 	uint32_t manc, swsm;
-	if (netif_running(netdev)) {
+	if (adapter->ecdev || netif_running(netdev)) {
 		if (e1000_up(adapter)) {
 			printk("e1000: can't bring device back up after reset\n");
 			return;
 		}
 	}
-	netif_device_attach(netdev);
+	if (!adapter->ecdev)
+		netif_device_attach(netdev);
 	if (adapter->hw.mac_type >= e1000_82540 &&
 	    adapter->hw.media_type == e1000_media_type_copper) {
 		manc = E1000_READ_REG(&adapter->hw, MANC);
 		manc &= ~(E1000_MANC_ARP_EN);
 		break;
 	default:
 		break;
 	}
-	if (netif_running(netdev))
+	if (adapter->ecdev || netif_running(netdev))
 		mod_timer(&adapter->watchdog_timer, jiffies);
 }
 /* e1000_main.c */

changeset 671	2223549df36c
parent 668	09438628d4a3
child 678	5e0d5f04dc65