X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fnetxen%2Fnetxen_nic_main.c;h=f824a392bf56ae82fef41df0228576869ae7214c;hb=61357325f377889a1daffa14962d705dc814dd0e;hp=40549a0e9ff0c79713b891220945381e280e7536;hpb=df597efb5737063497f1a4f7c996cc9aec294230;p=deliverable%2Flinux.git

diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 40549a0e9ff0..f824a392bf56 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -33,7 +33,6 @@
 #include "netxen_nic_hw.h"
 
 #include "netxen_nic.h"
-#include "netxen_nic_phan_reg.h"
 
 #include <linux/dma-mapping.h>
 #include <linux/if_vlan.h>
@@ -64,7 +63,8 @@ static int __devinit netxen_nic_probe(struct pci_dev *pdev,
 static void __devexit netxen_nic_remove(struct pci_dev *pdev);
 static int netxen_nic_open(struct net_device *netdev);
 static int netxen_nic_close(struct net_device *netdev);
-static int netxen_nic_xmit_frame(struct sk_buff *, struct net_device *);
+static netdev_tx_t netxen_nic_xmit_frame(struct sk_buff *,
+					       struct net_device *);
 static void netxen_tx_timeout(struct net_device *netdev);
 static void netxen_reset_task(struct work_struct *work);
 static void netxen_watchdog(unsigned long);
@@ -72,6 +72,10 @@ static int netxen_nic_poll(struct napi_struct *napi, int budget);
 #ifdef CONFIG_NET_POLL_CONTROLLER
 static void netxen_nic_poll_controller(struct net_device *netdev);
 #endif
+
+static void netxen_create_sysfs_entries(struct netxen_adapter *adapter);
+static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter);
+
 static irqreturn_t netxen_intr(int irq, void *data);
 static irqreturn_t netxen_msi_intr(int irq, void *data);
 static irqreturn_t netxen_msix_intr(int irq, void *data);
@@ -95,12 +99,6 @@ static struct pci_device_id netxen_pci_tbl[] __devinitdata = {
 
 MODULE_DEVICE_TABLE(pci, netxen_pci_tbl);
 
-static struct workqueue_struct *netxen_workq;
-#define SCHEDULE_WORK(tp)	queue_work(netxen_workq, tp)
-#define FLUSH_SCHEDULED_WORK()	flush_workqueue(netxen_workq)
-
-static void netxen_watchdog(unsigned long);
-
 static uint32_t crb_cmd_producer[4] = {
 	CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1,
 	CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3
@@ -172,6 +170,8 @@ netxen_free_sds_rings(struct netxen_recv_context *recv_ctx)
 {
 	if (recv_ctx->sds_rings != NULL)
 		kfree(recv_ctx->sds_rings);
+
+	recv_ctx->sds_rings = NULL;
 }
 
 static int
@@ -193,6 +193,21 @@ netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev)
 	return 0;
 }
 
+static void
+netxen_napi_del(struct netxen_adapter *adapter)
+{
+	int ring;
+	struct nx_host_sds_ring *sds_ring;
+	struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
+
+	for (ring = 0; ring < adapter->max_sds_rings; ring++) {
+		sds_ring = &recv_ctx->sds_rings[ring];
+		netif_napi_del(&sds_ring->napi);
+	}
+
+	netxen_free_sds_rings(&adapter->recv_ctx);
+}
+
 static void
 netxen_napi_enable(struct netxen_adapter *adapter)
 {
@@ -222,7 +237,7 @@ netxen_napi_disable(struct netxen_adapter *adapter)
 	}
 }
 
-static int nx_set_dma_mask(struct netxen_adapter *adapter, uint8_t revision_id)
+static int nx_set_dma_mask(struct netxen_adapter *adapter)
 {
 	struct pci_dev *pdev = adapter->pdev;
 	uint64_t mask, cmask;
@@ -230,19 +245,17 @@ static int nx_set_dma_mask(struct netxen_adapter *adapter, uint8_t revision_id)
 	adapter->pci_using_dac = 0;
 
 	mask = DMA_BIT_MASK(32);
-	/*
-	 * Consistent DMA mask is set to 32 bit because it cannot be set to
-	 * 35 bits. For P3 also leave it at 32 bits for now. Only the rings
-	 * come off this pool.
-	 */
 	cmask = DMA_BIT_MASK(32);
 
+	if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
 #ifndef CONFIG_IA64
-	if (revision_id >= NX_P3_B0)
-		mask = DMA_BIT_MASK(39);
-	else if (revision_id == NX_P2_C1)
 		mask = DMA_BIT_MASK(35);
 #endif
+	} else {
+		mask = DMA_BIT_MASK(39);
+		cmask = mask;
+	}
+
 	if (pci_set_dma_mask(pdev, mask) == 0 &&
 		pci_set_consistent_dma_mask(pdev, cmask) == 0) {
 		adapter->pci_using_dac = 1;
@@ -257,13 +270,13 @@ static int
 nx_update_dma_mask(struct netxen_adapter *adapter)
 {
 	int change, shift, err;
-	uint64_t mask, old_mask;
+	uint64_t mask, old_mask, old_cmask;
 	struct pci_dev *pdev = adapter->pdev;
 
 	change = 0;
 
 	shift = NXRD32(adapter, CRB_DMA_SHIFT);
-	if (shift >= 32)
+	if (shift > 32)
 		return 0;
 
 	if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9))
@@ -273,14 +286,29 @@ nx_update_dma_mask(struct netxen_adapter *adapter)
 
 	if (change) {
 		old_mask = pdev->dma_mask;
-		mask = (1ULL<<(32+shift)) - 1;
+		old_cmask = pdev->dev.coherent_dma_mask;
+
+		mask = DMA_BIT_MASK(32+shift);
 
 		err = pci_set_dma_mask(pdev, mask);
 		if (err)
-			return pci_set_dma_mask(pdev, old_mask);
+			goto err_out;
+
+		if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
+
+			err = pci_set_consistent_dma_mask(pdev, mask);
+			if (err)
+				goto err_out;
+		}
+		dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift);
 	}
 
 	return 0;
+
+err_out:
+	pci_set_dma_mask(pdev, old_mask);
+	pci_set_consistent_dma_mask(pdev, old_cmask);
+	return err;
 }
 
 static void
@@ -728,8 +756,10 @@ netxen_start_firmware(struct netxen_adapter *adapter, int request_fw)
 		netxen_request_firmware(adapter);
 
 	err = netxen_need_fw_reset(adapter);
-	if (err <= 0)
+	if (err < 0)
 		return err;
+	if (err == 0)
+		goto wait_init;
 
 	if (first_boot != 0x55555555) {
 		NXWR32(adapter, CRB_CMDPEG_STATE, 0);
@@ -866,6 +896,9 @@ netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
 	if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
 		netxen_config_intr_coalesce(adapter);
 
+	if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO)
+		netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED);
+
 	netxen_napi_enable(adapter);
 
 	if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
@@ -891,13 +924,14 @@ netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
 	if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
 		netxen_p3_free_mac_list(adapter);
 
+	adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE);
+
 	netxen_napi_disable(adapter);
 
 	netxen_release_tx_buffers(adapter);
 	spin_unlock(&adapter->tx_clean_lock);
 
 	del_timer_sync(&adapter->watchdog_timer);
-	FLUSH_SCHEDULED_WORK();
 }
 
 
@@ -914,10 +948,12 @@ netxen_nic_attach(struct netxen_adapter *adapter)
 		return 0;
 
 	err = netxen_init_firmware(adapter);
-	if (err != 0) {
-		printk(KERN_ERR "Failed to init firmware\n");
-		return -EIO;
-	}
+	if (err)
+		return err;
+
+	err = netxen_napi_add(adapter, netdev);
+	if (err)
+		return err;
 
 	err = netxen_alloc_sw_resources(adapter);
 	if (err) {
@@ -962,6 +998,8 @@ netxen_nic_attach(struct netxen_adapter *adapter)
 	if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
 		netxen_nic_init_coalesce_defaults(adapter);
 
+	netxen_create_sysfs_entries(adapter);
+
 	adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
 	return 0;
 
@@ -979,9 +1017,12 @@ netxen_nic_detach(struct netxen_adapter *adapter)
 	if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
 		return;
 
+	netxen_remove_sysfs_entries(adapter);
+
 	netxen_free_hw_resources(adapter);
 	netxen_release_rx_buffers(adapter);
 	netxen_nic_free_irq(adapter);
+	netxen_napi_del(adapter);
 	netxen_free_sw_resources(adapter);
 
 	adapter->is_up = 0;
@@ -1049,6 +1090,9 @@ netxen_setup_netdev(struct netxen_adapter *adapter,
 	if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX)
 		netdev->features |= (NETIF_F_HW_VLAN_TX);
 
+	if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO)
+		netdev->features |= NETIF_F_LRO;
+
 	netdev->irq = adapter->msix_entries[0].vector;
 
 	err = netxen_napi_add(adapter, netdev);
@@ -1128,7 +1172,7 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	revision_id = pdev->revision;
 	adapter->ahw.revision_id = revision_id;
 
-	err = nx_set_dma_mask(adapter, revision_id);
+	err = nx_set_dma_mask(adapter);
 	if (err)
 		goto err_out_free_netdev;
 
@@ -1232,13 +1276,15 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
 
 	unregister_netdev(netdev);
 
+	cancel_work_sync(&adapter->watchdog_task);
+	cancel_work_sync(&adapter->tx_timeout_task);
+
 	netxen_nic_detach(adapter);
 
 	if (adapter->portnum == 0)
 		netxen_free_dummy_dma(adapter);
 
 	netxen_teardown_intr(adapter);
-	netxen_free_sds_rings(&adapter->recv_ctx);
 
 	netxen_cleanup_pci_map(adapter);
 
@@ -1250,23 +1296,28 @@ static void __devexit netxen_nic_remove(struct pci_dev *pdev)
 
 	free_netdev(netdev);
 }
-
-#ifdef CONFIG_PM
-static int
-netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
+static int __netxen_nic_shutdown(struct pci_dev *pdev)
 {
-
 	struct netxen_adapter *adapter = pci_get_drvdata(pdev);
 	struct net_device *netdev = adapter->netdev;
+	int retval;
 
 	netif_device_detach(netdev);
 
 	if (netif_running(netdev))
 		netxen_nic_down(adapter, netdev);
 
+	cancel_work_sync(&adapter->watchdog_task);
+	cancel_work_sync(&adapter->tx_timeout_task);
+
 	netxen_nic_detach(adapter);
 
-	pci_save_state(pdev);
+	if (adapter->portnum == 0)
+		netxen_free_dummy_dma(adapter);
+
+	retval = pci_save_state(pdev);
+	if (retval)
+		return retval;
 
 	if (netxen_nic_wol_supported(adapter)) {
 		pci_enable_wake(pdev, PCI_D3cold, 1);
@@ -1274,10 +1325,27 @@ netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
 	}
 
 	pci_disable_device(pdev);
-	pci_set_power_state(pdev, pci_choose_state(pdev, state));
 
 	return 0;
 }
+static void netxen_nic_shutdown(struct pci_dev *pdev)
+{
+	if (__netxen_nic_shutdown(pdev))
+		return;
+}
+#ifdef CONFIG_PM
+static int
+netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+	int retval;
+
+	retval = __netxen_nic_shutdown(pdev);
+	if (retval)
+		return retval;
+
+	pci_set_power_state(pdev, pci_choose_state(pdev, state));
+	return 0;
+}
 
 static int
 netxen_nic_resume(struct pci_dev *pdev)
@@ -1450,7 +1518,7 @@ netxen_tso_check(struct net_device *netdev,
 		skb_copy_from_linear_data_offset(skb, 12,
 				(char *)vh + 16, copy_len - 16);
 
-		copied = copy_len;
+		copied = copy_len - VLAN_HLEN;
 		offset = 0;
 
 		producer = get_next_index(producer, tx_ring->num_desc);
@@ -1477,22 +1545,52 @@ netxen_tso_check(struct net_device *netdev,
 	barrier();
 }
 
-static void
-netxen_clean_tx_dma_mapping(struct pci_dev *pdev,
-		struct netxen_cmd_buffer *pbuf, int last)
+static int
+netxen_map_tx_skb(struct pci_dev *pdev,
+		struct sk_buff *skb, struct netxen_cmd_buffer *pbuf)
 {
-	int k;
-	struct netxen_skb_frag *buffrag;
+	struct netxen_skb_frag *nf;
+	struct skb_frag_struct *frag;
+	int i, nr_frags;
+	dma_addr_t map;
+
+	nr_frags = skb_shinfo(skb)->nr_frags;
+	nf = &pbuf->frag_array[0];
+
+	map = pci_map_single(pdev, skb->data,
+			skb_headlen(skb), PCI_DMA_TODEVICE);
+	if (pci_dma_mapping_error(pdev, map))
+		goto out_err;
+
+	nf->dma = map;
+	nf->length = skb_headlen(skb);
 
-	buffrag = &pbuf->frag_array[0];
-	pci_unmap_single(pdev, buffrag->dma,
-			buffrag->length, PCI_DMA_TODEVICE);
+	for (i = 0; i < nr_frags; i++) {
+		frag = &skb_shinfo(skb)->frags[i];
+		nf = &pbuf->frag_array[i+1];
+
+		map = pci_map_page(pdev, frag->page, frag->page_offset,
+				frag->size, PCI_DMA_TODEVICE);
+		if (pci_dma_mapping_error(pdev, map))
+			goto unwind;
+
+		nf->dma = map;
+		nf->length = frag->size;
+	}
+
+	return 0;
 
-	for (k = 1; k < last; k++) {
-		buffrag = &pbuf->frag_array[k];
-		pci_unmap_page(pdev, buffrag->dma,
-			buffrag->length, PCI_DMA_TODEVICE);
+unwind:
+	while (i > 0) {
+		nf = &pbuf->frag_array[i];
+		pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
 	}
+
+	nf = &pbuf->frag_array[0];
+	pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
+
+out_err:
+	return -ENOMEM;
 }
 
 static inline void
@@ -1502,22 +1600,19 @@ netxen_clear_cmddesc(u64 *desc)
 	desc[2] = 0ULL;
 }
 
-static int
+static netdev_tx_t
 netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 {
 	struct netxen_adapter *adapter = netdev_priv(netdev);
 	struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
-	struct skb_frag_struct *frag;
 	struct netxen_cmd_buffer *pbuf;
 	struct netxen_skb_frag *buffrag;
 	struct cmd_desc_type0 *hwdesc, *first_desc;
 	struct pci_dev *pdev;
-	dma_addr_t temp_dma;
 	int i, k;
-	unsigned long offset;
 
 	u32 producer;
-	int len, frag_count, no_of_desc;
+	int frag_count, no_of_desc;
 	u32 num_txd = tx_ring->num_desc;
 
 	frag_count = skb_shinfo(skb)->nr_frags + 1;
@@ -1531,72 +1626,53 @@ netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 	}
 
 	producer = tx_ring->producer;
+	pbuf = &tx_ring->cmd_buf_arr[producer];
 
 	pdev = adapter->pdev;
-	len = skb->len - skb->data_len;
 
-	temp_dma = pci_map_single(pdev, skb->data, len, PCI_DMA_TODEVICE);
-	if (pci_dma_mapping_error(pdev, temp_dma))
+	if (netxen_map_tx_skb(pdev, skb, pbuf))
 		goto drop_packet;
 
-	pbuf = &tx_ring->cmd_buf_arr[producer];
 	pbuf->skb = skb;
 	pbuf->frag_count = frag_count;
 
-	buffrag = &pbuf->frag_array[0];
-	buffrag->dma = temp_dma;
-	buffrag->length = len;
-
 	first_desc = hwdesc = &tx_ring->desc_head[producer];
 	netxen_clear_cmddesc((u64 *)hwdesc);
-	netxen_set_tx_frags_len(hwdesc, frag_count, skb->len);
-	netxen_set_tx_port(hwdesc, adapter->portnum);
 
-	hwdesc->buffer_length[0] = cpu_to_le16(len);
-	hwdesc->addr_buffer1 = cpu_to_le64(temp_dma);
+	netxen_set_tx_frags_len(first_desc, frag_count, skb->len);
+	netxen_set_tx_port(first_desc, adapter->portnum);
+
+	for (i = 0; i < frag_count; i++) {
 
-	for (i = 1, k = 1; i < frag_count; i++, k++) {
+		k = i % 4;
 
-		/* move to next desc. if there is a need */
-		if ((i & 0x3) == 0) {
-			k = 0;
+		if ((k == 0) && (i > 0)) {
+			/* move to next desc.*/
 			producer = get_next_index(producer, num_txd);
 			hwdesc = &tx_ring->desc_head[producer];
 			netxen_clear_cmddesc((u64 *)hwdesc);
-			pbuf = &tx_ring->cmd_buf_arr[producer];
-			pbuf->skb = NULL;
-		}
-		buffrag = &pbuf->frag_array[i];
-		frag = &skb_shinfo(skb)->frags[i - 1];
-		len = frag->size;
-		offset = frag->page_offset;
-
-		temp_dma = pci_map_page(pdev, frag->page, offset,
-					len, PCI_DMA_TODEVICE);
-		if (pci_dma_mapping_error(pdev, temp_dma)) {
-			netxen_clean_tx_dma_mapping(pdev, pbuf, i);
-			goto drop_packet;
+			tx_ring->cmd_buf_arr[producer].skb = NULL;
 		}
 
-		buffrag->dma = temp_dma;
-		buffrag->length = len;
+		buffrag = &pbuf->frag_array[i];
 
-		hwdesc->buffer_length[k] = cpu_to_le16(len);
+		hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
 		switch (k) {
 		case 0:
-			hwdesc->addr_buffer1 = cpu_to_le64(temp_dma);
+			hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
 			break;
 		case 1:
-			hwdesc->addr_buffer2 = cpu_to_le64(temp_dma);
+			hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
 			break;
 		case 2:
-			hwdesc->addr_buffer3 = cpu_to_le64(temp_dma);
+			hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
 			break;
 		case 3:
-			hwdesc->addr_buffer4 = cpu_to_le64(temp_dma);
+			hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
 			break;
 		}
 	}
+
 	tx_ring->producer = get_next_index(producer, num_txd);
 
 	netxen_tso_check(netdev, tx_ring, first_desc, skb);
@@ -1630,11 +1706,6 @@ static int netxen_nic_check_temp(struct netxen_adapter *adapter)
 		       "%s: Device temperature %d degrees C exceeds"
 		       " maximum allowed. Hardware has been shut down.\n",
 		       netdev->name, temp_val);
-
-		netif_device_detach(netdev);
-		netxen_nic_down(adapter, netdev);
-		netxen_nic_detach(adapter);
-
 		rv = 1;
 	} else if (temp_state == NX_TEMP_WARN) {
 		if (adapter->temp == NX_TEMP_NORMAL) {
@@ -1668,10 +1739,7 @@ void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup)
 			netif_carrier_off(netdev);
 			netif_stop_queue(netdev);
 		}
-
-		if (!adapter->has_link_events)
-			netxen_nic_set_link_parameters(adapter);
-
+		adapter->link_changed = !adapter->has_link_events;
 	} else if (!adapter->ahw.linkup && linkup) {
 		printk(KERN_INFO "%s: %s NIC Link is up\n",
 		       netxen_nic_driver_name, netdev->name);
@@ -1680,9 +1748,7 @@ void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup)
 			netif_carrier_on(netdev);
 			netif_wake_queue(netdev);
 		}
-
-		if (!adapter->has_link_events)
-			netxen_nic_set_link_parameters(adapter);
+		adapter->link_changed = !adapter->has_link_events;
 	}
 }
 
@@ -1709,11 +1775,36 @@ static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
 	netxen_advert_link_change(adapter, linkup);
 }
 
+static void netxen_nic_thermal_shutdown(struct netxen_adapter *adapter)
+{
+	struct net_device *netdev = adapter->netdev;
+
+	netif_device_detach(netdev);
+	netxen_nic_down(adapter, netdev);
+	netxen_nic_detach(adapter);
+}
+
 static void netxen_watchdog(unsigned long v)
 {
 	struct netxen_adapter *adapter = (struct netxen_adapter *)v;
 
-	SCHEDULE_WORK(&adapter->watchdog_task);
+	if (netxen_nic_check_temp(adapter))
+		goto do_sched;
+
+	if (!adapter->has_link_events) {
+		netxen_nic_handle_phy_intr(adapter);
+
+		if (adapter->link_changed)
+			goto do_sched;
+	}
+
+	if (netif_running(adapter->netdev))
+		mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
+
+	return;
+
+do_sched:
+	schedule_work(&adapter->watchdog_task);
 }
 
 void netxen_watchdog_task(struct work_struct *work)
@@ -1721,11 +1812,13 @@ void netxen_watchdog_task(struct work_struct *work)
 	struct netxen_adapter *adapter =
 		container_of(work, struct netxen_adapter, watchdog_task);
 
-	if (netxen_nic_check_temp(adapter))
+	if (adapter->temp == NX_TEMP_PANIC) {
+		netxen_nic_thermal_shutdown(adapter);
 		return;
+	}
 
-	if (!adapter->has_link_events)
-		netxen_nic_handle_phy_intr(adapter);
+	if (adapter->link_changed)
+		netxen_nic_set_link_parameters(adapter);
 
 	if (netif_running(adapter->netdev))
 		mod_timer(&adapter->watchdog_timer, jiffies + 2 * HZ);
@@ -1733,12 +1826,10 @@ void netxen_watchdog_task(struct work_struct *work)
 
 static void netxen_tx_timeout(struct net_device *netdev)
 {
-	struct netxen_adapter *adapter = (struct netxen_adapter *)
-						netdev_priv(netdev);
+	struct netxen_adapter *adapter = netdev_priv(netdev);
 
 	dev_err(&netdev->dev, "transmit timeout, resetting.\n");
-
-	SCHEDULE_WORK(&adapter->tx_timeout_task);
+	schedule_work(&adapter->tx_timeout_task);
 }
 
 static void netxen_reset_task(struct work_struct *work)
@@ -1764,7 +1855,7 @@ struct net_device_stats *netxen_nic_get_stats(struct net_device *netdev)
 
 	memset(stats, 0, sizeof(*stats));
 
-	stats->rx_packets = adapter->stats.no_rcv;
+	stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
 	stats->tx_packets = adapter->stats.xmitfinished;
 	stats->rx_bytes = adapter->stats.rxbytes;
 	stats->tx_bytes = adapter->stats.txbytes;
@@ -1875,6 +1966,80 @@ static void netxen_nic_poll_controller(struct net_device *netdev)
 }
 #endif
 
+static ssize_t
+netxen_store_bridged_mode(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t len)
+{
+	struct net_device *net = to_net_dev(dev);
+	struct netxen_adapter *adapter = netdev_priv(net);
+	unsigned long new;
+	int ret = -EINVAL;
+
+	if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG))
+		goto err_out;
+
+	if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
+		goto err_out;
+
+	if (strict_strtoul(buf, 2, &new))
+		goto err_out;
+
+	if (!netxen_config_bridged_mode(adapter, !!new))
+		ret = len;
+
+err_out:
+	return ret;
+}
+
+static ssize_t
+netxen_show_bridged_mode(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct net_device *net = to_net_dev(dev);
+	struct netxen_adapter *adapter;
+	int bridged_mode = 0;
+
+	adapter = netdev_priv(net);
+
+	if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
+		bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED);
+
+	return sprintf(buf, "%d\n", bridged_mode);
+}
+
+static struct device_attribute dev_attr_bridged_mode = {
+       .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
+       .show = netxen_show_bridged_mode,
+       .store = netxen_store_bridged_mode,
+};
+
+static void
+netxen_create_sysfs_entries(struct netxen_adapter *adapter)
+{
+	struct net_device *netdev = adapter->netdev;
+	struct device *dev = &netdev->dev;
+
+	if (adapter->capabilities & NX_FW_CAPABILITY_BDG) {
+		/* bridged_mode control */
+		if (device_create_file(dev, &dev_attr_bridged_mode)) {
+			dev_warn(&netdev->dev,
+				"failed to create bridged_mode sysfs entry\n");
+		}
+	}
+}
+
+static void
+netxen_remove_sysfs_entries(struct netxen_adapter *adapter)
+{
+	struct net_device *netdev = adapter->netdev;
+	struct device *dev = &netdev->dev;
+
+	if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
+		device_remove_file(dev, &dev_attr_bridged_mode);
+}
+
+static void netxen_watchdog(unsigned long);
+
 #ifdef CONFIG_INET
 
 #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
@@ -2004,17 +2169,15 @@ static struct pci_driver netxen_driver = {
 	.remove = __devexit_p(netxen_nic_remove),
 #ifdef CONFIG_PM
 	.suspend = netxen_nic_suspend,
-	.resume = netxen_nic_resume
+	.resume = netxen_nic_resume,
 #endif
+	.shutdown = netxen_nic_shutdown
 };
 
 static int __init netxen_init_module(void)
 {
 	printk(KERN_INFO "%s\n", netxen_nic_driver_string);
 
-	if ((netxen_workq = create_singlethread_workqueue("netxen")) == NULL)
-		return -ENOMEM;
-
 #ifdef CONFIG_INET
 	register_netdevice_notifier(&netxen_netdev_cb);
 	register_inetaddr_notifier(&netxen_inetaddr_cb);
@@ -2033,7 +2196,6 @@ static void __exit netxen_exit_module(void)
 	unregister_inetaddr_notifier(&netxen_inetaddr_cb);
 	unregister_netdevice_notifier(&netxen_netdev_cb);
 #endif
-	destroy_workqueue(netxen_workq);
 }
 
 module_exit(netxen_exit_module);