Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1872 insertions, 0 deletions

diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c
new file mode 100644
index 000000000..61014e251
--- /dev/null
+++ b/drivers/infiniband/hw/nes/nes_nic.c
@@ -0,0 +1,1872 @@
+/*
+ * Copyright (c) 2006 - 2011 Intel Corporation.  All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ip.h>
+#include <linux/tcp.h>
+#include <linux/if_arp.h>
+#include <linux/if_vlan.h>
+#include <linux/ethtool.h>
+#include <linux/slab.h>
+#include <net/tcp.h>
+
+#include <net/inet_common.h>
+#include <linux/inet.h>
+
+#include "nes.h"
+
+static struct nic_qp_map nic_qp_mapping_0[] = {
+	{16,0,0,1},{24,4,0,0},{28,8,0,0},{32,12,0,0},
+	{20,2,2,1},{26,6,2,0},{30,10,2,0},{34,14,2,0},
+	{18,1,1,1},{25,5,1,0},{29,9,1,0},{33,13,1,0},
+	{22,3,3,1},{27,7,3,0},{31,11,3,0},{35,15,3,0}
+};
+
+static struct nic_qp_map nic_qp_mapping_1[] = {
+	{18,1,1,1},{25,5,1,0},{29,9,1,0},{33,13,1,0},
+	{22,3,3,1},{27,7,3,0},{31,11,3,0},{35,15,3,0}
+};
+
+static struct nic_qp_map nic_qp_mapping_2[] = {
+	{20,2,2,1},{26,6,2,0},{30,10,2,0},{34,14,2,0}
+};
+
+static struct nic_qp_map nic_qp_mapping_3[] = {
+	{22,3,3,1},{27,7,3,0},{31,11,3,0},{35,15,3,0}
+};
+
+static struct nic_qp_map nic_qp_mapping_4[] = {
+	{28,8,0,0},{32,12,0,0}
+};
+
+static struct nic_qp_map nic_qp_mapping_5[] = {
+	{29,9,1,0},{33,13,1,0}
+};
+
+static struct nic_qp_map nic_qp_mapping_6[] = {
+	{30,10,2,0},{34,14,2,0}
+};
+
+static struct nic_qp_map nic_qp_mapping_7[] = {
+	{31,11,3,0},{35,15,3,0}
+};
+
+static struct nic_qp_map *nic_qp_mapping_per_function[] = {
+	nic_qp_mapping_0, nic_qp_mapping_1, nic_qp_mapping_2, nic_qp_mapping_3,
+	nic_qp_mapping_4, nic_qp_mapping_5, nic_qp_mapping_6, nic_qp_mapping_7
+};
+
+static const u32 default_msg = NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK
+		| NETIF_MSG_IFUP | NETIF_MSG_IFDOWN;
+static int debug = -1;
+static int nics_per_function = 1;
+
+/**
+ * nes_netdev_poll
+ */
+static int nes_netdev_poll(struct napi_struct *napi, int budget)
+{
+	struct nes_vnic *nesvnic = container_of(napi, struct nes_vnic, napi);
+	struct nes_device *nesdev = nesvnic->nesdev;
+	struct nes_hw_nic_cq *nescq = &nesvnic->nic_cq;
+
+	nesvnic->budget = budget;
+	nescq->cqes_pending = 0;
+	nescq->rx_cqes_completed = 0;
+	nescq->cqe_allocs_pending = 0;
+	nescq->rx_pkts_indicated = 0;
+
+	nes_nic_ce_handler(nesdev, nescq);
+
+	if (nescq->cqes_pending == 0) {
+		napi_complete(napi);
+		/* clear out completed cqes and arm */
+		nes_write32(nesdev->regs+NES_CQE_ALLOC, NES_CQE_ALLOC_NOTIFY_NEXT |
+				nescq->cq_number | (nescq->cqe_allocs_pending << 16));
+		nes_read32(nesdev->regs+NES_CQE_ALLOC);
+	} else {
+		/* clear out completed cqes but don't arm */
+		nes_write32(nesdev->regs+NES_CQE_ALLOC,
+				nescq->cq_number | (nescq->cqe_allocs_pending << 16));
+		nes_debug(NES_DBG_NETDEV, "%s: exiting with work pending\n",
+				nesvnic->netdev->name);
+	}
+	return nescq->rx_pkts_indicated;
+}
+
+
+/**
+ * nes_netdev_open - Activate the network interface; ifconfig
+ * ethx up.
+ */
+static int nes_netdev_open(struct net_device *netdev)
+{
+	u32 macaddr_low;
+	u16 macaddr_high;
+	struct nes_vnic *nesvnic = netdev_priv(netdev);
+	struct nes_device *nesdev = nesvnic->nesdev;
+	int ret;
+	int i;
+	struct nes_vnic *first_nesvnic = NULL;
+	u32 nic_active_bit;
+	u32 nic_active;
+	struct list_head *list_pos, *list_temp;
+	unsigned long flags;
+
+	assert(nesdev != NULL);
+
+	if (nesvnic->netdev_open == 1)
+		return 0;
+
+	if (netif_msg_ifup(nesvnic))
+		printk(KERN_INFO PFX "%s: enabling interface\n", netdev->name);
+
+	ret = nes_init_nic_qp(nesdev, netdev);
+	if (ret) {
+		return ret;
+	}
+
+	netif_carrier_off(netdev);
+	netif_stop_queue(netdev);
+
+	if ((!nesvnic->of_device_registered) && (nesvnic->rdma_enabled)) {
+		nesvnic->nesibdev = nes_init_ofa_device(netdev);
+		if (nesvnic->nesibdev == NULL) {
+			printk(KERN_ERR PFX "%s: nesvnic->nesibdev alloc failed", netdev->name);
+		} else {
+			nesvnic->nesibdev->nesvnic = nesvnic;
+			ret = nes_register_ofa_device(nesvnic->nesibdev);
+			if (ret) {
+				printk(KERN_ERR PFX "%s: Unable to register RDMA device, ret = %d\n",
+						netdev->name, ret);
+			}
+		}
+	}
+	/* Set packet filters */
+	nic_active_bit = 1 << nesvnic->nic_index;
+	nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_ACTIVE);
+	nic_active |= nic_active_bit;
+	nes_write_indexed(nesdev, NES_IDX_NIC_ACTIVE, nic_active);
+	nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ENABLE);
+	nic_active |= nic_active_bit;
+	nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ENABLE, nic_active);
+	nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_BROADCAST_ON);
+	nic_active |= nic_active_bit;
+	nes_write_indexed(nesdev, NES_IDX_NIC_BROADCAST_ON, nic_active);
+
+	macaddr_high  = ((u16)netdev->dev_addr[0]) << 8;
+	macaddr_high += (u16)netdev->dev_addr[1];
+
+	macaddr_low   = ((u32)netdev->dev_addr[2]) << 24;
+	macaddr_low  += ((u32)netdev->dev_addr[3]) << 16;
+	macaddr_low  += ((u32)netdev->dev_addr[4]) << 8;
+	macaddr_low  += (u32)netdev->dev_addr[5];
+
+	/* Program the various MAC regs */
+	for (i = 0; i < NES_MAX_PORT_COUNT; i++) {
+		if (nesvnic->qp_nic_index[i] == 0xf) {
+			break;
+		}
+		nes_debug(NES_DBG_NETDEV, "i=%d, perfect filter table index= %d, PERF FILTER LOW"
+				" (Addr:%08X) = %08X, HIGH = %08X.\n",
+				i, nesvnic->qp_nic_index[i],
+				NES_IDX_PERFECT_FILTER_LOW+
+					(nesvnic->qp_nic_index[i] * 8),
+				macaddr_low,
+				(u32)macaddr_high | NES_MAC_ADDR_VALID |
+				((((u32)nesvnic->nic_index) << 16)));
+		nes_write_indexed(nesdev,
+				NES_IDX_PERFECT_FILTER_LOW + (nesvnic->qp_nic_index[i] * 8),
+				macaddr_low);
+		nes_write_indexed(nesdev,
+				NES_IDX_PERFECT_FILTER_HIGH + (nesvnic->qp_nic_index[i] * 8),
+				(u32)macaddr_high | NES_MAC_ADDR_VALID |
+				((((u32)nesvnic->nic_index) << 16)));
+	}
+
+
+	nes_write32(nesdev->regs+NES_CQE_ALLOC, NES_CQE_ALLOC_NOTIFY_NEXT |
+			nesvnic->nic_cq.cq_number);
+	nes_read32(nesdev->regs+NES_CQE_ALLOC);
+	list_for_each_safe(list_pos, list_temp, &nesdev->nesadapter->nesvnic_list[nesdev->mac_index]) {
+		first_nesvnic = container_of(list_pos, struct nes_vnic, list);
+		if (first_nesvnic->netdev_open == 1)
+			break;
+	}
+	if (first_nesvnic->netdev_open == 0) {
+		nes_debug(NES_DBG_INIT, "Setting up MAC interrupt mask.\n");
+		nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK + (0x200 * nesdev->mac_index),
+				~(NES_MAC_INT_LINK_STAT_CHG | NES_MAC_INT_XGMII_EXT |
+				NES_MAC_INT_TX_UNDERFLOW | NES_MAC_INT_TX_ERROR));
+		first_nesvnic = nesvnic;
+	}
+
+	if (first_nesvnic->linkup) {
+		/* Enable network packets */
+		nesvnic->linkup = 1;
+		netif_start_queue(netdev);
+		netif_carrier_on(netdev);
+	}
+
+	spin_lock_irqsave(&nesdev->nesadapter->phy_lock, flags);
+	if (nesdev->nesadapter->phy_type[nesdev->mac_index] == NES_PHY_TYPE_SFP_D) {
+		nesdev->link_recheck = 1;
+		mod_delayed_work(system_wq, &nesdev->work,
+				 NES_LINK_RECHECK_DELAY);
+	}
+	spin_unlock_irqrestore(&nesdev->nesadapter->phy_lock, flags);
+
+	spin_lock_irqsave(&nesvnic->port_ibevent_lock, flags);
+	if (nesvnic->of_device_registered) {
+		nesdev->nesadapter->send_term_ok = 1;
+		if (nesvnic->linkup == 1) {
+			if (nesdev->iw_status == 0) {
+				nesdev->iw_status = 1;
+				nes_port_ibevent(nesvnic);
+			}
+		} else {
+			nesdev->iw_status = 0;
+		}
+	}
+	spin_unlock_irqrestore(&nesvnic->port_ibevent_lock, flags);
+
+	napi_enable(&nesvnic->napi);
+	nesvnic->netdev_open = 1;
+
+	return 0;
+}
+
+
+/**
+ * nes_netdev_stop
+ */
+static int nes_netdev_stop(struct net_device *netdev)
+{
+	struct nes_vnic *nesvnic = netdev_priv(netdev);
+	struct nes_device *nesdev = nesvnic->nesdev;
+	u32 nic_active_mask;
+	u32 nic_active;
+	struct nes_vnic *first_nesvnic = NULL;
+	struct list_head *list_pos, *list_temp;
+	unsigned long flags;
+
+	nes_debug(NES_DBG_SHUTDOWN, "nesvnic=%p, nesdev=%p, netdev=%p %s\n",
+			nesvnic, nesdev, netdev, netdev->name);
+	if (nesvnic->netdev_open == 0)
+		return 0;
+
+	if (netif_msg_ifdown(nesvnic))
+		printk(KERN_INFO PFX "%s: disabling interface\n", netdev->name);
+	netif_carrier_off(netdev);
+
+	/* Disable network packets */
+	napi_disable(&nesvnic->napi);
+	netif_stop_queue(netdev);
+	list_for_each_safe(list_pos, list_temp, &nesdev->nesadapter->nesvnic_list[nesdev->mac_index]) {
+		first_nesvnic = container_of(list_pos, struct nes_vnic, list);
+		if ((first_nesvnic->netdev_open == 1) && (first_nesvnic != nesvnic))
+			break;
+	}
+
+	if ((first_nesvnic->netdev_open == 1) && (first_nesvnic != nesvnic)  &&
+		(PCI_FUNC(first_nesvnic->nesdev->pcidev->devfn) !=
+		PCI_FUNC(nesvnic->nesdev->pcidev->devfn))) {
+			nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK+
+				(0x200*nesdev->mac_index), 0xffffffff);
+			nes_write_indexed(first_nesvnic->nesdev,
+				NES_IDX_MAC_INT_MASK+
+				(0x200*first_nesvnic->nesdev->mac_index),
+			~(NES_MAC_INT_LINK_STAT_CHG | NES_MAC_INT_XGMII_EXT |
+			NES_MAC_INT_TX_UNDERFLOW | NES_MAC_INT_TX_ERROR));
+	} else {
+		nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK+(0x200*nesdev->mac_index), 0xffffffff);
+	}
+
+	nic_active_mask = ~((u32)(1 << nesvnic->nic_index));
+	nes_write_indexed(nesdev, NES_IDX_PERFECT_FILTER_HIGH+
+			(nesvnic->perfect_filter_index*8), 0);
+	nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_ACTIVE);
+	nic_active &= nic_active_mask;
+	nes_write_indexed(nesdev, NES_IDX_NIC_ACTIVE, nic_active);
+	nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL);
+	nic_active &= nic_active_mask;
+	nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, nic_active);
+	nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ENABLE);
+	nic_active &= nic_active_mask;
+	nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ENABLE, nic_active);
+	nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL);
+	nic_active &= nic_active_mask;
+	nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active);
+	nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_BROADCAST_ON);
+	nic_active &= nic_active_mask;
+	nes_write_indexed(nesdev, NES_IDX_NIC_BROADCAST_ON, nic_active);
+
+	spin_lock_irqsave(&nesvnic->port_ibevent_lock, flags);
+	if (nesvnic->of_device_registered) {
+		nesdev->nesadapter->send_term_ok = 0;
+		nesdev->iw_status = 0;
+		if (nesvnic->linkup == 1)
+			nes_port_ibevent(nesvnic);
+	}
+	del_timer_sync(&nesvnic->event_timer);
+	nesvnic->event_timer.function = NULL;
+	spin_unlock_irqrestore(&nesvnic->port_ibevent_lock, flags);
+
+	nes_destroy_nic_qp(nesvnic);
+
+	nesvnic->netdev_open = 0;
+
+	return 0;
+}
+
+
+/**
+ * nes_nic_send
+ */
+static bool nes_nic_send(struct sk_buff *skb, struct net_device *netdev)
+{
+	struct nes_vnic *nesvnic = netdev_priv(netdev);
+	struct nes_device *nesdev = nesvnic->nesdev;
+	struct nes_hw_nic *nesnic = &nesvnic->nic;
+	struct nes_hw_nic_sq_wqe *nic_sqe;
+	struct tcphdr *tcph;
+	__le16 *wqe_fragment_length;
+	u32 wqe_misc;
+	u16 wqe_fragment_index = 1;	/* first fragment (0) is used by copy buffer */
+	u16 skb_fragment_index;
+	dma_addr_t bus_address;
+
+	nic_sqe = &nesnic->sq_vbase[nesnic->sq_head];
+	wqe_fragment_length = (__le16 *)&nic_sqe->wqe_words[NES_NIC_SQ_WQE_LENGTH_0_TAG_IDX];
+
+	/* setup the VLAN tag if present */
+	if (skb_vlan_tag_present(skb)) {
+		nes_debug(NES_DBG_NIC_TX, "%s: VLAN packet to send... VLAN = %08X\n",
+				netdev->name, skb_vlan_tag_get(skb));
+		wqe_misc = NES_NIC_SQ_WQE_TAGVALUE_ENABLE;
+		wqe_fragment_length[0] = (__force __le16) skb_vlan_tag_get(skb);
+	} else
+		wqe_misc = 0;
+
+	/* bump past the vlan tag */
+	wqe_fragment_length++;
+	/*	wqe_fragment_address = (u64 *)&nic_sqe->wqe_words[NES_NIC_SQ_WQE_FRAG0_LOW_IDX]; */
+	wqe_misc |= NES_NIC_SQ_WQE_COMPLETION;
+
+	if (skb->ip_summed == CHECKSUM_PARTIAL) {
+		if (skb_is_gso(skb)) {
+			tcph = tcp_hdr(skb);
+			/* nes_debug(NES_DBG_NIC_TX, "%s: TSO request... is_gso = %u seg size = %u\n",
+					netdev->name, skb_is_gso(skb), skb_shinfo(skb)->gso_size); */
+			wqe_misc |= NES_NIC_SQ_WQE_LSO_ENABLE | (u16)skb_shinfo(skb)->gso_size;
+			set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_LSO_INFO_IDX,
+					((u32)tcph->doff) |
+					(((u32)(((unsigned char *)tcph) - skb->data)) << 4));
+		}
+	} else {	/* CHECKSUM_HW */
+		wqe_misc |= NES_NIC_SQ_WQE_DISABLE_CHKSUM;
+	}
+
+	set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_TOTAL_LENGTH_IDX,
+				skb->len);
+	memcpy(&nesnic->first_frag_vbase[nesnic->sq_head].buffer,
+			skb->data, min(((unsigned int)NES_FIRST_FRAG_SIZE), skb_headlen(skb)));
+	wqe_fragment_length[0] = cpu_to_le16(min(((unsigned int)NES_FIRST_FRAG_SIZE),
+			skb_headlen(skb)));
+	wqe_fragment_length[1] = 0;
+	if (skb_headlen(skb) > NES_FIRST_FRAG_SIZE) {
+		if ((skb_shinfo(skb)->nr_frags + 1) > 4) {
+			nes_debug(NES_DBG_NIC_TX, "%s: Packet with %u fragments not sent, skb_headlen=%u\n",
+					netdev->name, skb_shinfo(skb)->nr_frags + 2, skb_headlen(skb));
+			kfree_skb(skb);
+			nesvnic->tx_sw_dropped++;
+			return false;
+		}
+		set_bit(nesnic->sq_head, nesnic->first_frag_overflow);
+		bus_address = pci_map_single(nesdev->pcidev, skb->data + NES_FIRST_FRAG_SIZE,
+				skb_headlen(skb) - NES_FIRST_FRAG_SIZE, PCI_DMA_TODEVICE);
+		wqe_fragment_length[wqe_fragment_index++] =
+				cpu_to_le16(skb_headlen(skb) - NES_FIRST_FRAG_SIZE);
+		wqe_fragment_length[wqe_fragment_index] = 0;
+		set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG1_LOW_IDX,
+				((u64)(bus_address)));
+		nesnic->tx_skb[nesnic->sq_head] = skb;
+	}
+
+	if (skb_headlen(skb) == skb->len) {
+		if (skb_headlen(skb) <= NES_FIRST_FRAG_SIZE) {
+			nic_sqe->wqe_words[NES_NIC_SQ_WQE_LENGTH_2_1_IDX] = 0;
+			nesnic->tx_skb[nesnic->sq_head] = skb;
+		}
+	} else {
+		/* Deal with Fragments */
+		nesnic->tx_skb[nesnic->sq_head] = skb;
+		for (skb_fragment_index = 0; skb_fragment_index < skb_shinfo(skb)->nr_frags;
+				skb_fragment_index++) {
+			skb_frag_t *frag =
+				&skb_shinfo(skb)->frags[skb_fragment_index];
+			bus_address = skb_frag_dma_map(&nesdev->pcidev->dev,
+						       frag, 0, skb_frag_size(frag),
+						       DMA_TO_DEVICE);
+			wqe_fragment_length[wqe_fragment_index] =
+					cpu_to_le16(skb_frag_size(&skb_shinfo(skb)->frags[skb_fragment_index]));
+			set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG0_LOW_IDX+(2*wqe_fragment_index),
+				bus_address);
+			wqe_fragment_index++;
+			if (wqe_fragment_index < 5)
+				wqe_fragment_length[wqe_fragment_index] = 0;
+		}
+	}
+
+	set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_MISC_IDX, wqe_misc);
+	nesnic->sq_head++;
+	nesnic->sq_head &= nesnic->sq_size - 1;
+	return true;
+}
+
+
+/**
+ * nes_netdev_start_xmit
+ */
+static netdev_tx_t nes_netdev_start_xmit(struct sk_buff *skb, struct net_device *netdev)
+{
+	struct nes_vnic *nesvnic = netdev_priv(netdev);
+	struct nes_device *nesdev = nesvnic->nesdev;
+	struct nes_hw_nic *nesnic = &nesvnic->nic;
+	struct nes_hw_nic_sq_wqe *nic_sqe;
+	struct tcphdr *tcph;
+	/* struct udphdr *udph; */
+#define NES_MAX_TSO_FRAGS MAX_SKB_FRAGS
+	/* 64K segment plus overflow on each side */
+	dma_addr_t tso_bus_address[NES_MAX_TSO_FRAGS];
+	dma_addr_t bus_address;
+	u32 tso_frag_index;
+	u32 tso_frag_count;
+	u32 tso_wqe_length;
+	u32 curr_tcp_seq;
+	u32 wqe_count=1;
+	struct iphdr *iph;
+	__le16 *wqe_fragment_length;
+	u32 nr_frags;
+	u32 original_first_length;
+	/* u64 *wqe_fragment_address; */
+	/* first fragment (0) is used by copy buffer */
+	u16 wqe_fragment_index=1;
+	u16 hoffset;
+	u16 nhoffset;
+	u16 wqes_needed;
+	u16 wqes_available;
+	u32 wqe_misc;
+
+	/*
+	 * nes_debug(NES_DBG_NIC_TX, "%s Request to tx NIC packet length %u, headlen %u,"
+	 *		" (%u frags), tso_size=%u\n",
+	 *		netdev->name, skb->len, skb_headlen(skb),
+	 *		skb_shinfo(skb)->nr_frags, skb_is_gso(skb));
+	 */
+
+	if (netif_queue_stopped(netdev))
+		return NETDEV_TX_BUSY;
+
+	/* Check if SQ is full */
+	if ((((nesnic->sq_tail+(nesnic->sq_size*2))-nesnic->sq_head) & (nesnic->sq_size - 1)) == 1) {
+		if (!netif_queue_stopped(netdev)) {
+			netif_stop_queue(netdev);
+			barrier();
+			if ((((((volatile u16)nesnic->sq_tail)+(nesnic->sq_size*2))-nesnic->sq_head) & (nesnic->sq_size - 1)) != 1) {
+				netif_start_queue(netdev);
+				goto sq_no_longer_full;
+			}
+		}
+		nesvnic->sq_full++;
+		return NETDEV_TX_BUSY;
+	}
+
+sq_no_longer_full:
+	nr_frags = skb_shinfo(skb)->nr_frags;
+	if (skb_headlen(skb) > NES_FIRST_FRAG_SIZE) {
+		nr_frags++;
+	}
+	/* Check if too many fragments */
+	if (unlikely((nr_frags > 4))) {
+		if (skb_is_gso(skb)) {
+			nesvnic->segmented_tso_requests++;
+			nesvnic->tso_requests++;
+			/* Basically 4 fragments available per WQE with extended fragments */
+			wqes_needed = nr_frags >> 2;
+			wqes_needed += (nr_frags&3)?1:0;
+			wqes_available = (((nesnic->sq_tail+nesnic->sq_size)-nesnic->sq_head) - 1) &
+					(nesnic->sq_size - 1);
+
+			if (unlikely(wqes_needed > wqes_available)) {
+				if (!netif_queue_stopped(netdev)) {
+					netif_stop_queue(netdev);
+					barrier();
+					wqes_available = (((((volatile u16)nesnic->sq_tail)+nesnic->sq_size)-nesnic->sq_head) - 1) &
+						(nesnic->sq_size - 1);
+					if (wqes_needed <= wqes_available) {
+						netif_start_queue(netdev);
+						goto tso_sq_no_longer_full;
+					}
+				}
+				nesvnic->sq_full++;
+				nes_debug(NES_DBG_NIC_TX, "%s: HNIC SQ full- TSO request has too many frags!\n",
+						netdev->name);
+				return NETDEV_TX_BUSY;
+			}
+tso_sq_no_longer_full:
+			/* Map all the buffers */
+			for (tso_frag_count=0; tso_frag_count < skb_shinfo(skb)->nr_frags;
+					tso_frag_count++) {
+				skb_frag_t *frag =
+					&skb_shinfo(skb)->frags[tso_frag_count];
+				tso_bus_address[tso_frag_count] =
+					skb_frag_dma_map(&nesdev->pcidev->dev,
+							 frag, 0, skb_frag_size(frag),
+							 DMA_TO_DEVICE);
+			}
+
+			tso_frag_index = 0;
+			curr_tcp_seq = ntohl(tcp_hdr(skb)->seq);
+			hoffset = skb_transport_header(skb) - skb->data;
+			nhoffset = skb_network_header(skb) - skb->data;
+			original_first_length = hoffset + ((((struct tcphdr *)skb_transport_header(skb))->doff)<<2);
+
+			for (wqe_count=0; wqe_count<((u32)wqes_needed); wqe_count++) {
+				tso_wqe_length = 0;
+				nic_sqe = &nesnic->sq_vbase[nesnic->sq_head];
+				wqe_fragment_length =
+						(__le16 *)&nic_sqe->wqe_words[NES_NIC_SQ_WQE_LENGTH_0_TAG_IDX];
+				/* setup the VLAN tag if present */
+				if (skb_vlan_tag_present(skb)) {
+					nes_debug(NES_DBG_NIC_TX, "%s: VLAN packet to send... VLAN = %08X\n",
+							netdev->name,
+						  skb_vlan_tag_get(skb));
+					wqe_misc = NES_NIC_SQ_WQE_TAGVALUE_ENABLE;
+					wqe_fragment_length[0] = (__force __le16) skb_vlan_tag_get(skb);
+				} else
+					wqe_misc = 0;
+
+				/* bump past the vlan tag */
+				wqe_fragment_length++;
+
+				/* Assumes header totally fits in allocated buffer and is in first fragment */
+				if (original_first_length > NES_FIRST_FRAG_SIZE) {
+					nes_debug(NES_DBG_NIC_TX, "ERROR: SKB header too big, headlen=%u, FIRST_FRAG_SIZE=%u\n",
+							original_first_length, NES_FIRST_FRAG_SIZE);
+					nes_debug(NES_DBG_NIC_TX, "%s Request to tx NIC packet length %u, headlen %u,"
+							" (%u frags), is_gso = %u tso_size=%u\n",
+							netdev->name,
+							skb->len, skb_headlen(skb),
+							skb_shinfo(skb)->nr_frags, skb_is_gso(skb), skb_shinfo(skb)->gso_size);
+				}
+				memcpy(&nesnic->first_frag_vbase[nesnic->sq_head].buffer,
+						skb->data, min(((unsigned int)NES_FIRST_FRAG_SIZE),
+						original_first_length));
+				iph = (struct iphdr *)
+				(&nesnic->first_frag_vbase[nesnic->sq_head].buffer[nhoffset]);
+				tcph = (struct tcphdr *)
+				(&nesnic->first_frag_vbase[nesnic->sq_head].buffer[hoffset]);
+				if ((wqe_count+1)!=(u32)wqes_needed) {
+					tcph->fin = 0;
+					tcph->psh = 0;
+					tcph->rst = 0;
+					tcph->urg = 0;
+				}
+				if (wqe_count) {
+					tcph->syn = 0;
+				}
+				tcph->seq = htonl(curr_tcp_seq);
+				wqe_fragment_length[0] = cpu_to_le16(min(((unsigned int)NES_FIRST_FRAG_SIZE),
+						original_first_length));
+
+				wqe_fragment_index = 1;
+				if ((wqe_count==0) && (skb_headlen(skb) > original_first_length)) {
+					set_bit(nesnic->sq_head, nesnic->first_frag_overflow);
+					bus_address = pci_map_single(nesdev->pcidev, skb->data + original_first_length,
+							skb_headlen(skb) - original_first_length, PCI_DMA_TODEVICE);
+					wqe_fragment_length[wqe_fragment_index++] =
+						cpu_to_le16(skb_headlen(skb) - original_first_length);
+					wqe_fragment_length[wqe_fragment_index] = 0;
+					set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG1_LOW_IDX,
+									bus_address);
+					tso_wqe_length += skb_headlen(skb) -
+							original_first_length;
+				}
+				while (wqe_fragment_index < 5) {
+					wqe_fragment_length[wqe_fragment_index] =
+							cpu_to_le16(skb_frag_size(&skb_shinfo(skb)->frags[tso_frag_index]));
+					set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG0_LOW_IDX+(2*wqe_fragment_index),
+						(u64)tso_bus_address[tso_frag_index]);
+					wqe_fragment_index++;
+					tso_wqe_length += skb_frag_size(&skb_shinfo(skb)->frags[tso_frag_index++]);
+					if (wqe_fragment_index < 5)
+						wqe_fragment_length[wqe_fragment_index] = 0;
+					if (tso_frag_index == tso_frag_count)
+						break;
+				}
+				if ((wqe_count+1) == (u32)wqes_needed) {
+					nesnic->tx_skb[nesnic->sq_head] = skb;
+				} else {
+					nesnic->tx_skb[nesnic->sq_head] = NULL;
+				}
+				wqe_misc |= NES_NIC_SQ_WQE_COMPLETION | (u16)skb_shinfo(skb)->gso_size;
+				if ((tso_wqe_length + original_first_length) > skb_shinfo(skb)->gso_size) {
+					wqe_misc |= NES_NIC_SQ_WQE_LSO_ENABLE;
+				} else {
+					iph->tot_len = htons(tso_wqe_length + original_first_length - nhoffset);
+				}
+
+				set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_MISC_IDX,
+						 wqe_misc);
+				set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_LSO_INFO_IDX,
+						((u32)tcph->doff) | (((u32)hoffset) << 4));
+
+				set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_TOTAL_LENGTH_IDX,
+						tso_wqe_length + original_first_length);
+				curr_tcp_seq += tso_wqe_length;
+				nesnic->sq_head++;
+				nesnic->sq_head &= nesnic->sq_size-1;
+			}
+		} else {
+			hoffset = skb_transport_header(skb) - skb->data;
+			nhoffset = skb_network_header(skb) - skb->data;
+			if (skb_linearize(skb)) {
+				nesvnic->tx_sw_dropped++;
+				kfree_skb(skb);
+				return NETDEV_TX_OK;
+			}
+			nesvnic->linearized_skbs++;
+			skb_set_transport_header(skb, hoffset);
+			skb_set_network_header(skb, nhoffset);
+			if (!nes_nic_send(skb, netdev))
+				return NETDEV_TX_OK;
+		}
+	} else {
+		if (!nes_nic_send(skb, netdev))
+			return NETDEV_TX_OK;
+	}
+
+	barrier();
+
+	if (wqe_count)
+		nes_write32(nesdev->regs+NES_WQE_ALLOC,
+				(wqe_count << 24) | (1 << 23) | nesvnic->nic.qp_id);
+
+	netif_trans_update(netdev);
+
+	return NETDEV_TX_OK;
+}
+
+
+/**
+ * nes_netdev_get_stats
+ */
+static struct net_device_stats *nes_netdev_get_stats(struct net_device *netdev)
+{
+	struct nes_vnic *nesvnic = netdev_priv(netdev);
+	struct nes_device *nesdev = nesvnic->nesdev;
+	u64 u64temp;
+	u32 u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_ENDNODE0_NSTAT_RX_DISCARD + (nesvnic->nic_index*0x200));
+	nesvnic->netstats.rx_dropped += u32temp;
+	nesvnic->endnode_nstat_rx_discard += u32temp;
+
+	u64temp = (u64)nes_read_indexed(nesdev,
+			NES_IDX_ENDNODE0_NSTAT_RX_OCTETS_LO + (nesvnic->nic_index*0x200));
+	u64temp += ((u64)nes_read_indexed(nesdev,
+			NES_IDX_ENDNODE0_NSTAT_RX_OCTETS_HI + (nesvnic->nic_index*0x200))) << 32;
+
+	nesvnic->endnode_nstat_rx_octets += u64temp;
+	nesvnic->netstats.rx_bytes += u64temp;
+
+	u64temp = (u64)nes_read_indexed(nesdev,
+			NES_IDX_ENDNODE0_NSTAT_RX_FRAMES_LO + (nesvnic->nic_index*0x200));
+	u64temp += ((u64)nes_read_indexed(nesdev,
+			NES_IDX_ENDNODE0_NSTAT_RX_FRAMES_HI + (nesvnic->nic_index*0x200))) << 32;
+
+	nesvnic->endnode_nstat_rx_frames += u64temp;
+	nesvnic->netstats.rx_packets += u64temp;
+
+	u64temp = (u64)nes_read_indexed(nesdev,
+			NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_LO + (nesvnic->nic_index*0x200));
+	u64temp += ((u64)nes_read_indexed(nesdev,
+			NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_HI + (nesvnic->nic_index*0x200))) << 32;
+
+	nesvnic->endnode_nstat_tx_octets += u64temp;
+	nesvnic->netstats.tx_bytes += u64temp;
+
+	u64temp = (u64)nes_read_indexed(nesdev,
+			NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_LO + (nesvnic->nic_index*0x200));
+	u64temp += ((u64)nes_read_indexed(nesdev,
+			NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_HI + (nesvnic->nic_index*0x200))) << 32;
+
+	nesvnic->endnode_nstat_tx_frames += u64temp;
+	nesvnic->netstats.tx_packets += u64temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_RX_SHORT_FRAMES + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->netstats.rx_dropped += u32temp;
+	nesvnic->nesdev->mac_rx_errors += u32temp;
+	nesvnic->nesdev->mac_rx_short_frames += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_RX_OVERSIZED_FRAMES + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->netstats.rx_dropped += u32temp;
+	nesvnic->nesdev->mac_rx_errors += u32temp;
+	nesvnic->nesdev->mac_rx_oversized_frames += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_RX_JABBER_FRAMES + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->netstats.rx_dropped += u32temp;
+	nesvnic->nesdev->mac_rx_errors += u32temp;
+	nesvnic->nesdev->mac_rx_jabber_frames += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_RX_SYMBOL_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->netstats.rx_dropped += u32temp;
+	nesvnic->nesdev->mac_rx_errors += u32temp;
+	nesvnic->nesdev->mac_rx_symbol_err_frames += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_RX_LENGTH_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->netstats.rx_length_errors += u32temp;
+	nesvnic->nesdev->mac_rx_errors += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_RX_CRC_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->nesdev->mac_rx_errors += u32temp;
+	nesvnic->nesdev->mac_rx_crc_errors += u32temp;
+	nesvnic->netstats.rx_crc_errors += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_TX_ERRORS + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->nesdev->mac_tx_errors += u32temp;
+	nesvnic->netstats.tx_errors += u32temp;
+
+	return &nesvnic->netstats;
+}
+
+
+/**
+ * nes_netdev_tx_timeout
+ */
+static void nes_netdev_tx_timeout(struct net_device *netdev)
+{
+	struct nes_vnic *nesvnic = netdev_priv(netdev);
+
+	if (netif_msg_timer(nesvnic))
+		nes_debug(NES_DBG_NIC_TX, "%s: tx timeout\n", netdev->name);
+}
+
+
+/**
+ * nes_netdev_set_mac_address
+ */
+static int nes_netdev_set_mac_address(struct net_device *netdev, void *p)
+{
+	struct nes_vnic *nesvnic = netdev_priv(netdev);
+	struct nes_device *nesdev = nesvnic->nesdev;
+	struct sockaddr *mac_addr = p;
+	int i;
+	u32 macaddr_low;
+	u16 macaddr_high;
+
+	if (!is_valid_ether_addr(mac_addr->sa_data))
+		return -EADDRNOTAVAIL;
+
+	memcpy(netdev->dev_addr, mac_addr->sa_data, netdev->addr_len);
+	printk(PFX "%s: Address length = %d, Address = %pM\n",
+	       __func__, netdev->addr_len, mac_addr->sa_data);
+	macaddr_high  = ((u16)netdev->dev_addr[0]) << 8;
+	macaddr_high += (u16)netdev->dev_addr[1];
+	macaddr_low   = ((u32)netdev->dev_addr[2]) << 24;
+	macaddr_low  += ((u32)netdev->dev_addr[3]) << 16;
+	macaddr_low  += ((u32)netdev->dev_addr[4]) << 8;
+	macaddr_low  += (u32)netdev->dev_addr[5];
+
+	for (i = 0; i < NES_MAX_PORT_COUNT; i++) {
+		if (nesvnic->qp_nic_index[i] == 0xf) {
+			break;
+		}
+		nes_write_indexed(nesdev,
+				NES_IDX_PERFECT_FILTER_LOW + (nesvnic->qp_nic_index[i] * 8),
+				macaddr_low);
+		nes_write_indexed(nesdev,
+				NES_IDX_PERFECT_FILTER_HIGH + (nesvnic->qp_nic_index[i] * 8),
+				(u32)macaddr_high | NES_MAC_ADDR_VALID |
+				((((u32)nesvnic->nic_index) << 16)));
+	}
+	return 0;
+}
+
+
+static void set_allmulti(struct nes_device *nesdev, u32 nic_active_bit)
+{
+	u32 nic_active;
+
+	nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL);
+	nic_active |= nic_active_bit;
+	nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, nic_active);
+	nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL);
+	nic_active &= ~nic_active_bit;
+	nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active);
+}
+
+#define get_addr(addrs, index) ((addrs) + (index) * ETH_ALEN)
+
+/**
+ * nes_netdev_set_multicast_list
+ */
+static void nes_netdev_set_multicast_list(struct net_device *netdev)
+{
+	struct nes_vnic *nesvnic = netdev_priv(netdev);
+	struct nes_device *nesdev = nesvnic->nesdev;
+	struct nes_adapter *nesadapter = nesvnic->nesdev->nesadapter;
+	u32 nic_active_bit;
+	u32 nic_active;
+	u32 perfect_filter_register_address;
+	u32 macaddr_low;
+	u16 macaddr_high;
+	u8 mc_all_on = 0;
+	u8 mc_index;
+	int mc_nic_index = -1;
+	u8 pft_entries_preallocated = max(nesadapter->adapter_fcn_count *
+					nics_per_function, 4);
+	u8 max_pft_entries_avaiable = NES_PFT_SIZE - pft_entries_preallocated;
+	unsigned long flags;
+	int mc_count = netdev_mc_count(netdev);
+
+	spin_lock_irqsave(&nesadapter->resource_lock, flags);
+	nic_active_bit = 1 << nesvnic->nic_index;
+
+	if (netdev->flags & IFF_PROMISC) {
+		nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL);
+		nic_active |= nic_active_bit;
+		nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, nic_active);
+		nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL);
+		nic_active |= nic_active_bit;
+		nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active);
+		mc_all_on = 1;
+	} else if ((netdev->flags & IFF_ALLMULTI) ||
+			   (nesvnic->nic_index > 3)) {
+		set_allmulti(nesdev, nic_active_bit);
+		mc_all_on = 1;
+	} else {
+		nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL);
+		nic_active &= ~nic_active_bit;
+		nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, nic_active);
+		nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL);
+		nic_active &= ~nic_active_bit;
+		nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active);
+	}
+
+	nes_debug(NES_DBG_NIC_RX, "Number of MC entries = %d, Promiscuous = %d, All Multicast = %d.\n",
+		  mc_count, !!(netdev->flags & IFF_PROMISC),
+		  !!(netdev->flags & IFF_ALLMULTI));
+	if (!mc_all_on) {
+		char *addrs;
+		int i;
+		struct netdev_hw_addr *ha;
+
+		addrs = kmalloc_array(mc_count, ETH_ALEN, GFP_ATOMIC);
+		if (!addrs) {
+			set_allmulti(nesdev, nic_active_bit);
+			goto unlock;
+		}
+		i = 0;
+		netdev_for_each_mc_addr(ha, netdev)
+			memcpy(get_addr(addrs, i++), ha->addr, ETH_ALEN);
+
+		perfect_filter_register_address = NES_IDX_PERFECT_FILTER_LOW +
+						pft_entries_preallocated * 0x8;
+		for (i = 0, mc_index = 0; mc_index < max_pft_entries_avaiable;
+		     mc_index++) {
+			while (i < mc_count && nesvnic->mcrq_mcast_filter &&
+			((mc_nic_index = nesvnic->mcrq_mcast_filter(nesvnic,
+					get_addr(addrs, i++))) == 0));
+			if (mc_nic_index < 0)
+				mc_nic_index = nesvnic->nic_index;
+			while (nesadapter->pft_mcast_map[mc_index] < 16 &&
+				nesadapter->pft_mcast_map[mc_index] !=
+					nesvnic->nic_index &&
+					mc_index < max_pft_entries_avaiable) {
+				nes_debug(NES_DBG_NIC_RX,
+					  "mc_index=%d skipping nic_index=%d, used for=%d\n",
+					  mc_index, nesvnic->nic_index,
+					  nesadapter->pft_mcast_map[mc_index]);
+				mc_index++;
+			}
+			if (mc_index >= max_pft_entries_avaiable)
+				break;
+			if (i < mc_count) {
+				char *addr = get_addr(addrs, i++);
+
+				nes_debug(NES_DBG_NIC_RX, "Assigning MC Address %pM to register 0x%04X nic_idx=%d\n",
+					  addr,
+					  perfect_filter_register_address+(mc_index * 8),
+					  mc_nic_index);
+				macaddr_high  = ((u8) addr[0]) << 8;
+				macaddr_high += (u8) addr[1];
+				macaddr_low   = ((u8) addr[2]) << 24;
+				macaddr_low  += ((u8) addr[3]) << 16;
+				macaddr_low  += ((u8) addr[4]) << 8;
+				macaddr_low  += (u8) addr[5];
+
+				nes_write_indexed(nesdev,
+						perfect_filter_register_address+(mc_index * 8),
+						macaddr_low);
+				nes_write_indexed(nesdev,
+						perfect_filter_register_address+4+(mc_index * 8),
+						(u32)macaddr_high | NES_MAC_ADDR_VALID |
+						((((u32)(1<<mc_nic_index)) << 16)));
+				nesadapter->pft_mcast_map[mc_index] =
+							nesvnic->nic_index;
+			} else {
+				nes_debug(NES_DBG_NIC_RX, "Clearing MC Address at register 0x%04X\n",
+						  perfect_filter_register_address+(mc_index * 8));
+				nes_write_indexed(nesdev,
+						perfect_filter_register_address+4+(mc_index * 8),
+						0);
+				nesadapter->pft_mcast_map[mc_index] = 255;
+			}
+		}
+		kfree(addrs);
+		/* PFT is not large enough */
+		if (i < mc_count)
+			set_allmulti(nesdev, nic_active_bit);
+	}
+
+unlock:
+	spin_unlock_irqrestore(&nesadapter->resource_lock, flags);
+}
+
+
+/**
+ * nes_netdev_change_mtu
+ */
+static int nes_netdev_change_mtu(struct net_device *netdev, int new_mtu)
+{
+	struct nes_vnic	*nesvnic = netdev_priv(netdev);
+	struct nes_device *nesdev = nesvnic->nesdev;
+	u8 jumbomode = 0;
+	u32 nic_active;
+	u32 nic_active_bit;
+	u32 uc_all_active;
+	u32 mc_all_active;
+
+	netdev->mtu = new_mtu;
+	nesvnic->max_frame_size	= new_mtu + VLAN_ETH_HLEN;
+
+	if (netdev->mtu	> ETH_DATA_LEN)	{
+		jumbomode=1;
+	}
+	nes_nic_init_timer_defaults(nesdev, jumbomode);
+
+	if (netif_running(netdev)) {
+		nic_active_bit = 1 << nesvnic->nic_index;
+		mc_all_active = nes_read_indexed(nesdev,
+				NES_IDX_NIC_MULTICAST_ALL) & nic_active_bit;
+		uc_all_active = nes_read_indexed(nesdev,
+				NES_IDX_NIC_UNICAST_ALL)  & nic_active_bit;
+
+		nes_netdev_stop(netdev);
+		nes_netdev_open(netdev);
+
+		nic_active = nes_read_indexed(nesdev,
+					NES_IDX_NIC_MULTICAST_ALL);
+		nic_active |= mc_all_active;
+		nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL,
+							nic_active);
+
+		nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL);
+		nic_active |= uc_all_active;
+		nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active);
+	}
+
+	return 0;
+}
+
+
+static const char nes_ethtool_stringset[][ETH_GSTRING_LEN] = {
+	"Link Change Interrupts",
+	"Linearized SKBs",
+	"T/GSO Requests",
+	"Pause Frames Sent",
+	"Pause Frames Received",
+	"Internal Routing Errors",
+	"SQ SW Dropped SKBs",
+	"SQ Full",
+	"Segmented TSO Requests",
+	"Rx Symbol Errors",
+	"Rx Jabber Errors",
+	"Rx Oversized Frames",
+	"Rx Short Frames",
+	"Rx Length Errors",
+	"Rx CRC Errors",
+	"Rx Port Discard",
+	"Endnode Rx Discards",
+	"Endnode Rx Octets",
+	"Endnode Rx Frames",
+	"Endnode Tx Octets",
+	"Endnode Tx Frames",
+	"Tx Errors",
+	"mh detected",
+	"mh pauses",
+	"Retransmission Count",
+	"CM Connects",
+	"CM Accepts",
+	"Disconnects",
+	"Connected Events",
+	"Connect Requests",
+	"CM Rejects",
+	"ModifyQP Timeouts",
+	"CreateQPs",
+	"SW DestroyQPs",
+	"DestroyQPs",
+	"CM Closes",
+	"CM Packets Sent",
+	"CM Packets Bounced",
+	"CM Packets Created",
+	"CM Packets Rcvd",
+	"CM Packets Dropped",
+	"CM Packets Retrans",
+	"CM Listens Created",
+	"CM Listens Destroyed",
+	"CM Backlog Drops",
+	"CM Loopbacks",
+	"CM Nodes Created",
+	"CM Nodes Destroyed",
+	"CM Accel Drops",
+	"CM Resets Received",
+	"Free 4Kpbls",
+	"Free 256pbls",
+	"Timer Inits",
+	"PAU CreateQPs",
+	"PAU DestroyQPs",
+};
+#define NES_ETHTOOL_STAT_COUNT  ARRAY_SIZE(nes_ethtool_stringset)
+
+
+/**
+ * nes_netdev_get_sset_count
+ */
+static int nes_netdev_get_sset_count(struct net_device *netdev, int stringset)
+{
+	if (stringset == ETH_SS_STATS)
+		return NES_ETHTOOL_STAT_COUNT;
+	else
+		return -EINVAL;
+}
+
+
+/**
+ * nes_netdev_get_strings
+ */
+static void nes_netdev_get_strings(struct net_device *netdev, u32 stringset,
+		u8 *ethtool_strings)
+{
+	if (stringset == ETH_SS_STATS)
+		memcpy(ethtool_strings,
+				&nes_ethtool_stringset,
+				sizeof(nes_ethtool_stringset));
+}
+
+
+/**
+ * nes_netdev_get_ethtool_stats
+ */
+
+static void nes_netdev_get_ethtool_stats(struct net_device *netdev,
+		struct ethtool_stats *target_ethtool_stats, u64 *target_stat_values)
+{
+	u64 u64temp;
+	struct nes_vnic *nesvnic = netdev_priv(netdev);
+	struct nes_device *nesdev = nesvnic->nesdev;
+	struct nes_adapter *nesadapter = nesdev->nesadapter;
+	u32 nic_count;
+	u32 u32temp;
+	u32 index = 0;
+
+	target_ethtool_stats->n_stats = NES_ETHTOOL_STAT_COUNT;
+	target_stat_values[index] = nesvnic->nesdev->link_status_interrupts;
+	target_stat_values[++index] = nesvnic->linearized_skbs;
+	target_stat_values[++index] = nesvnic->tso_requests;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_TX_PAUSE_FRAMES + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->nesdev->mac_pause_frames_sent += u32temp;
+	target_stat_values[++index] = nesvnic->nesdev->mac_pause_frames_sent;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_RX_PAUSE_FRAMES + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->nesdev->mac_pause_frames_received += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_PORT_RX_DISCARDS + (nesvnic->nesdev->mac_index*0x40));
+	nesvnic->nesdev->port_rx_discards += u32temp;
+	nesvnic->netstats.rx_dropped += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_PORT_TX_DISCARDS + (nesvnic->nesdev->mac_index*0x40));
+	nesvnic->nesdev->port_tx_discards += u32temp;
+	nesvnic->netstats.tx_dropped += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_RX_SHORT_FRAMES + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->netstats.rx_dropped += u32temp;
+	nesvnic->nesdev->mac_rx_errors += u32temp;
+	nesvnic->nesdev->mac_rx_short_frames += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_RX_OVERSIZED_FRAMES + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->netstats.rx_dropped += u32temp;
+	nesvnic->nesdev->mac_rx_errors += u32temp;
+	nesvnic->nesdev->mac_rx_oversized_frames += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_RX_JABBER_FRAMES + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->netstats.rx_dropped += u32temp;
+	nesvnic->nesdev->mac_rx_errors += u32temp;
+	nesvnic->nesdev->mac_rx_jabber_frames += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_RX_SYMBOL_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->netstats.rx_dropped += u32temp;
+	nesvnic->nesdev->mac_rx_errors += u32temp;
+	nesvnic->nesdev->mac_rx_symbol_err_frames += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_RX_LENGTH_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->netstats.rx_length_errors += u32temp;
+	nesvnic->nesdev->mac_rx_errors += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_RX_CRC_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->nesdev->mac_rx_errors += u32temp;
+	nesvnic->nesdev->mac_rx_crc_errors += u32temp;
+	nesvnic->netstats.rx_crc_errors += u32temp;
+
+	u32temp = nes_read_indexed(nesdev,
+			NES_IDX_MAC_TX_ERRORS + (nesvnic->nesdev->mac_index*0x200));
+	nesvnic->nesdev->mac_tx_errors += u32temp;
+	nesvnic->netstats.tx_errors += u32temp;
+
+	for (nic_count = 0; nic_count < NES_MAX_PORT_COUNT; nic_count++) {
+		if (nesvnic->qp_nic_index[nic_count] == 0xf)
+			break;
+
+		u32temp = nes_read_indexed(nesdev,
+				NES_IDX_ENDNODE0_NSTAT_RX_DISCARD +
+				(nesvnic->qp_nic_index[nic_count]*0x200));
+		nesvnic->netstats.rx_dropped += u32temp;
+		nesvnic->endnode_nstat_rx_discard += u32temp;
+
+		u64temp = (u64)nes_read_indexed(nesdev,
+				NES_IDX_ENDNODE0_NSTAT_RX_OCTETS_LO +
+				(nesvnic->qp_nic_index[nic_count]*0x200));
+		u64temp += ((u64)nes_read_indexed(nesdev,
+				NES_IDX_ENDNODE0_NSTAT_RX_OCTETS_HI +
+				(nesvnic->qp_nic_index[nic_count]*0x200))) << 32;
+
+		nesvnic->endnode_nstat_rx_octets += u64temp;
+		nesvnic->netstats.rx_bytes += u64temp;
+
+		u64temp = (u64)nes_read_indexed(nesdev,
+				NES_IDX_ENDNODE0_NSTAT_RX_FRAMES_LO +
+				(nesvnic->qp_nic_index[nic_count]*0x200));
+		u64temp += ((u64)nes_read_indexed(nesdev,
+				NES_IDX_ENDNODE0_NSTAT_RX_FRAMES_HI +
+				(nesvnic->qp_nic_index[nic_count]*0x200))) << 32;
+
+		nesvnic->endnode_nstat_rx_frames += u64temp;
+		nesvnic->netstats.rx_packets += u64temp;
+
+		u64temp = (u64)nes_read_indexed(nesdev,
+				NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_LO +
+				(nesvnic->qp_nic_index[nic_count]*0x200));
+		u64temp += ((u64)nes_read_indexed(nesdev,
+				NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_HI +
+				(nesvnic->qp_nic_index[nic_count]*0x200))) << 32;
+
+		nesvnic->endnode_nstat_tx_octets += u64temp;
+		nesvnic->netstats.tx_bytes += u64temp;
+
+		u64temp = (u64)nes_read_indexed(nesdev,
+				NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_LO +
+				(nesvnic->qp_nic_index[nic_count]*0x200));
+		u64temp += ((u64)nes_read_indexed(nesdev,
+				NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_HI +
+				(nesvnic->qp_nic_index[nic_count]*0x200))) << 32;
+
+		nesvnic->endnode_nstat_tx_frames += u64temp;
+		nesvnic->netstats.tx_packets += u64temp;
+
+		u32temp = nes_read_indexed(nesdev,
+				NES_IDX_IPV4_TCP_REXMITS + (nesvnic->qp_nic_index[nic_count]*0x200));
+		nesvnic->endnode_ipv4_tcp_retransmits += u32temp;
+	}
+
+	target_stat_values[++index] = nesvnic->nesdev->mac_pause_frames_received;
+	target_stat_values[++index] = nesdev->nesadapter->nic_rx_eth_route_err;
+	target_stat_values[++index] = nesvnic->tx_sw_dropped;
+	target_stat_values[++index] = nesvnic->sq_full;
+	target_stat_values[++index] = nesvnic->segmented_tso_requests;
+	target_stat_values[++index] = nesvnic->nesdev->mac_rx_symbol_err_frames;
+	target_stat_values[++index] = nesvnic->nesdev->mac_rx_jabber_frames;
+	target_stat_values[++index] = nesvnic->nesdev->mac_rx_oversized_frames;
+	target_stat_values[++index] = nesvnic->nesdev->mac_rx_short_frames;
+	target_stat_values[++index] = nesvnic->netstats.rx_length_errors;
+	target_stat_values[++index] = nesvnic->nesdev->mac_rx_crc_errors;
+	target_stat_values[++index] = nesvnic->nesdev->port_rx_discards;
+	target_stat_values[++index] = nesvnic->endnode_nstat_rx_discard;
+	target_stat_values[++index] = nesvnic->endnode_nstat_rx_octets;
+	target_stat_values[++index] = nesvnic->endnode_nstat_rx_frames;
+	target_stat_values[++index] = nesvnic->endnode_nstat_tx_octets;
+	target_stat_values[++index] = nesvnic->endnode_nstat_tx_frames;
+	target_stat_values[++index] = nesvnic->nesdev->mac_tx_errors;
+	target_stat_values[++index] = mh_detected;
+	target_stat_values[++index] = mh_pauses_sent;
+	target_stat_values[++index] = nesvnic->endnode_ipv4_tcp_retransmits;
+	target_stat_values[++index] = atomic_read(&cm_connects);
+	target_stat_values[++index] = atomic_read(&cm_accepts);
+	target_stat_values[++index] = atomic_read(&cm_disconnects);
+	target_stat_values[++index] = atomic_read(&cm_connecteds);
+	target_stat_values[++index] = atomic_read(&cm_connect_reqs);
+	target_stat_values[++index] = atomic_read(&cm_rejects);
+	target_stat_values[++index] = atomic_read(&mod_qp_timouts);
+	target_stat_values[++index] = atomic_read(&qps_created);
+	target_stat_values[++index] = atomic_read(&sw_qps_destroyed);
+	target_stat_values[++index] = atomic_read(&qps_destroyed);
+	target_stat_values[++index] = atomic_read(&cm_closes);
+	target_stat_values[++index] = cm_packets_sent;
+	target_stat_values[++index] = cm_packets_bounced;
+	target_stat_values[++index] = cm_packets_created;
+	target_stat_values[++index] = cm_packets_received;
+	target_stat_values[++index] = cm_packets_dropped;
+	target_stat_values[++index] = cm_packets_retrans;
+	target_stat_values[++index] = atomic_read(&cm_listens_created);
+	target_stat_values[++index] = atomic_read(&cm_listens_destroyed);
+	target_stat_values[++index] = cm_backlog_drops;
+	target_stat_values[++index] = atomic_read(&cm_loopbacks);
+	target_stat_values[++index] = atomic_read(&cm_nodes_created);
+	target_stat_values[++index] = atomic_read(&cm_nodes_destroyed);
+	target_stat_values[++index] = atomic_read(&cm_accel_dropped_pkts);
+	target_stat_values[++index] = atomic_read(&cm_resets_recvd);
+	target_stat_values[++index] = nesadapter->free_4kpbl;
+	target_stat_values[++index] = nesadapter->free_256pbl;
+	target_stat_values[++index] = int_mod_timer_init;
+	target_stat_values[++index] = atomic_read(&pau_qps_created);
+	target_stat_values[++index] = atomic_read(&pau_qps_destroyed);
+}
+
+/**
+ * nes_netdev_get_drvinfo
+ */
+static void nes_netdev_get_drvinfo(struct net_device *netdev,
+		struct ethtool_drvinfo *drvinfo)
+{
+	struct nes_vnic *nesvnic = netdev_priv(netdev);
+	struct nes_adapter *nesadapter = nesvnic->nesdev->nesadapter;
+
+	strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
+	strlcpy(drvinfo->bus_info, pci_name(nesvnic->nesdev->pcidev),
+		sizeof(drvinfo->bus_info));
+	snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
+		 "%u.%u", nesadapter->firmware_version >> 16,
+		 nesadapter->firmware_version & 0x000000ff);
+	strlcpy(drvinfo->version, DRV_VERSION, sizeof(drvinfo->version));
+}
+
+
+/**
+ * nes_netdev_set_coalesce
+ */
+static int nes_netdev_set_coalesce(struct net_device *netdev,
+		struct ethtool_coalesce	*et_coalesce)
+{
+	struct nes_vnic	*nesvnic = netdev_priv(netdev);
+	struct nes_device *nesdev = nesvnic->nesdev;
+	struct nes_adapter *nesadapter = nesdev->nesadapter;
+	struct nes_hw_tune_timer *shared_timer = &nesadapter->tune_timer;
+	unsigned long flags;
+
+	spin_lock_irqsave(&nesadapter->periodic_timer_lock, flags);
+	if (et_coalesce->rx_max_coalesced_frames_low) {
+		shared_timer->threshold_low = et_coalesce->rx_max_coalesced_frames_low;
+	}
+	if (et_coalesce->rx_max_coalesced_frames_irq) {
+		shared_timer->threshold_target = et_coalesce->rx_max_coalesced_frames_irq;
+	}
+	if (et_coalesce->rx_max_coalesced_frames_high) {
+		shared_timer->threshold_high = et_coalesce->rx_max_coalesced_frames_high;
+	}
+	if (et_coalesce->rx_coalesce_usecs_low) {
+		shared_timer->timer_in_use_min = et_coalesce->rx_coalesce_usecs_low;
+	}
+	if (et_coalesce->rx_coalesce_usecs_high) {
+		shared_timer->timer_in_use_max = et_coalesce->rx_coalesce_usecs_high;
+	}
+	spin_unlock_irqrestore(&nesadapter->periodic_timer_lock, flags);
+
+	/* using this to drive total interrupt moderation */
+	nesadapter->et_rx_coalesce_usecs_irq = et_coalesce->rx_coalesce_usecs_irq;
+	if (et_coalesce->use_adaptive_rx_coalesce) {
+		nesadapter->et_use_adaptive_rx_coalesce	= 1;
+		nesadapter->timer_int_limit = NES_TIMER_INT_LIMIT_DYNAMIC;
+		nesadapter->et_rx_coalesce_usecs_irq = 0;
+		if (et_coalesce->pkt_rate_low) {
+			nesadapter->et_pkt_rate_low = et_coalesce->pkt_rate_low;
+		}
+	} else {
+		nesadapter->et_use_adaptive_rx_coalesce	= 0;
+		nesadapter->timer_int_limit = NES_TIMER_INT_LIMIT;
+		if (nesadapter->et_rx_coalesce_usecs_irq) {
+			nes_write32(nesdev->regs+NES_PERIODIC_CONTROL,
+					0x80000000 | ((u32)(nesadapter->et_rx_coalesce_usecs_irq*8)));
+		}
+	}
+	return 0;
+}
+
+
+/**
+ * nes_netdev_get_coalesce
+ */
+static int nes_netdev_get_coalesce(struct net_device *netdev,
+		struct ethtool_coalesce	*et_coalesce)
+{
+	struct nes_vnic	*nesvnic = netdev_priv(netdev);
+	struct nes_device *nesdev = nesvnic->nesdev;
+	struct nes_adapter *nesadapter = nesdev->nesadapter;
+	struct ethtool_coalesce	temp_et_coalesce;
+	struct nes_hw_tune_timer *shared_timer = &nesadapter->tune_timer;
+	unsigned long flags;
+
+	memset(&temp_et_coalesce, 0, sizeof(temp_et_coalesce));
+	temp_et_coalesce.rx_coalesce_usecs_irq    = nesadapter->et_rx_coalesce_usecs_irq;
+	temp_et_coalesce.use_adaptive_rx_coalesce = nesadapter->et_use_adaptive_rx_coalesce;
+	temp_et_coalesce.rate_sample_interval     = nesadapter->et_rate_sample_interval;
+	temp_et_coalesce.pkt_rate_low =	nesadapter->et_pkt_rate_low;
+	spin_lock_irqsave(&nesadapter->periodic_timer_lock,	flags);
+	temp_et_coalesce.rx_max_coalesced_frames_low  = shared_timer->threshold_low;
+	temp_et_coalesce.rx_max_coalesced_frames_irq  = shared_timer->threshold_target;
+	temp_et_coalesce.rx_max_coalesced_frames_high = shared_timer->threshold_high;
+	temp_et_coalesce.rx_coalesce_usecs_low  = shared_timer->timer_in_use_min;
+	temp_et_coalesce.rx_coalesce_usecs_high = shared_timer->timer_in_use_max;
+	if (nesadapter->et_use_adaptive_rx_coalesce) {
+		temp_et_coalesce.rx_coalesce_usecs_irq = shared_timer->timer_in_use;
+	}
+	spin_unlock_irqrestore(&nesadapter->periodic_timer_lock, flags);
+	memcpy(et_coalesce, &temp_et_coalesce, sizeof(*et_coalesce));
+	return 0;
+}
+
+
+/**
+ * nes_netdev_get_pauseparam
+ */
+static void nes_netdev_get_pauseparam(struct net_device *netdev,
+		struct ethtool_pauseparam *et_pauseparam)
+{
+	struct nes_vnic *nesvnic = netdev_priv(netdev);
+
+	et_pauseparam->autoneg = 0;
+	et_pauseparam->rx_pause = (nesvnic->nesdev->disable_rx_flow_control == 0) ? 1:0;
+	et_pauseparam->tx_pause = (nesvnic->nesdev->disable_tx_flow_control == 0) ? 1:0;
+}
+
+
+/**
+ * nes_netdev_set_pauseparam
+ */
+static int nes_netdev_set_pauseparam(struct net_device *netdev,
+		struct ethtool_pauseparam *et_pauseparam)
+{
+	struct nes_vnic *nesvnic = netdev_priv(netdev);
+	struct nes_device *nesdev = nesvnic->nesdev;
+	u32 u32temp;
+
+	if (et_pauseparam->autoneg) {
+		/* TODO: should return unsupported */
+		return 0;
+	}
+	if ((et_pauseparam->tx_pause == 1) && (nesdev->disable_tx_flow_control == 1)) {
+		u32temp = nes_read_indexed(nesdev,
+				NES_IDX_MAC_TX_CONFIG + (nesdev->mac_index*0x200));
+		u32temp |= NES_IDX_MAC_TX_CONFIG_ENABLE_PAUSE;
+		nes_write_indexed(nesdev,
+				NES_IDX_MAC_TX_CONFIG + (nesdev->mac_index*0x200), u32temp);
+		nesdev->disable_tx_flow_control = 0;
+	} else if ((et_pauseparam->tx_pause == 0) && (nesdev->disable_tx_flow_control == 0)) {
+		u32temp = nes_read_indexed(nesdev,
+				NES_IDX_MAC_TX_CONFIG + (nesdev->mac_index*0x200));
+		u32temp &= ~NES_IDX_MAC_TX_CONFIG_ENABLE_PAUSE;
+		nes_write_indexed(nesdev,
+				NES_IDX_MAC_TX_CONFIG + (nesdev->mac_index*0x200), u32temp);
+		nesdev->disable_tx_flow_control = 1;
+	}
+	if ((et_pauseparam->rx_pause == 1) && (nesdev->disable_rx_flow_control == 1)) {
+		u32temp = nes_read_indexed(nesdev,
+				NES_IDX_MPP_DEBUG + (nesdev->mac_index*0x40));
+		u32temp &= ~NES_IDX_MPP_DEBUG_PORT_DISABLE_PAUSE;
+		nes_write_indexed(nesdev,
+				NES_IDX_MPP_DEBUG + (nesdev->mac_index*0x40), u32temp);
+		nesdev->disable_rx_flow_control = 0;
+	} else if ((et_pauseparam->rx_pause == 0) && (nesdev->disable_rx_flow_control == 0)) {
+		u32temp = nes_read_indexed(nesdev,
+				NES_IDX_MPP_DEBUG + (nesdev->mac_index*0x40));
+		u32temp |= NES_IDX_MPP_DEBUG_PORT_DISABLE_PAUSE;
+		nes_write_indexed(nesdev,
+				NES_IDX_MPP_DEBUG + (nesdev->mac_index*0x40), u32temp);
+		nesdev->disable_rx_flow_control = 1;
+	}
+
+	return 0;
+}
+
+
+/**
+ * nes_netdev_get_settings
+ */
+static int nes_netdev_get_link_ksettings(struct net_device *netdev,
+					 struct ethtool_link_ksettings *cmd)
+{
+	struct nes_vnic *nesvnic = netdev_priv(netdev);
+	struct nes_device *nesdev = nesvnic->nesdev;
+	struct nes_adapter *nesadapter = nesdev->nesadapter;
+	u32 mac_index = nesdev->mac_index;
+	u8 phy_type = nesadapter->phy_type[mac_index];
+	u8 phy_index = nesadapter->phy_index[mac_index];
+	u16 phy_data;
+	u32 supported, advertising;
+
+	cmd->base.duplex = DUPLEX_FULL;
+	cmd->base.port   = PORT_MII;
+
+	if (nesadapter->OneG_Mode) {
+		cmd->base.speed = SPEED_1000;
+		if (phy_type == NES_PHY_TYPE_PUMA_1G) {
+			supported   = SUPPORTED_1000baseT_Full;
+			advertising = ADVERTISED_1000baseT_Full;
+			cmd->base.autoneg     = AUTONEG_DISABLE;
+			cmd->base.phy_address = mac_index;
+		} else {
+			unsigned long flags;
+
+			supported = SUPPORTED_1000baseT_Full
+				| SUPPORTED_Autoneg;
+			advertising = ADVERTISED_1000baseT_Full
+				| ADVERTISED_Autoneg;
+			spin_lock_irqsave(&nesadapter->phy_lock, flags);
+			nes_read_1G_phy_reg(nesdev, 0, phy_index, &phy_data);
+			spin_unlock_irqrestore(&nesadapter->phy_lock, flags);
+			if (phy_data & 0x1000)
+				cmd->base.autoneg = AUTONEG_ENABLE;
+			else
+				cmd->base.autoneg = AUTONEG_DISABLE;
+			cmd->base.phy_address = phy_index;
+		}
+		ethtool_convert_legacy_u32_to_link_mode(
+			cmd->link_modes.supported, supported);
+		ethtool_convert_legacy_u32_to_link_mode(
+			cmd->link_modes.advertising, advertising);
+		return 0;
+	}
+	if ((phy_type == NES_PHY_TYPE_ARGUS) ||
+	    (phy_type == NES_PHY_TYPE_SFP_D) ||
+	    (phy_type == NES_PHY_TYPE_KR)) {
+		cmd->base.port        = PORT_FIBRE;
+		supported   = SUPPORTED_FIBRE;
+		advertising = ADVERTISED_FIBRE;
+		cmd->base.phy_address = phy_index;
+	} else {
+		supported   = SUPPORTED_10000baseT_Full;
+		advertising = ADVERTISED_10000baseT_Full;
+		cmd->base.phy_address = mac_index;
+	}
+	cmd->base.speed = SPEED_10000;
+	cmd->base.autoneg = AUTONEG_DISABLE;
+	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
+						supported);
+	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
+						advertising);
+
+	return 0;
+}
+
+
+/**
+ * nes_netdev_set_settings
+ */
+static int
+nes_netdev_set_link_ksettings(struct net_device *netdev,
+			      const struct ethtool_link_ksettings *cmd)
+{
+	struct nes_vnic *nesvnic = netdev_priv(netdev);
+	struct nes_device *nesdev = nesvnic->nesdev;
+	struct nes_adapter *nesadapter = nesdev->nesadapter;
+
+	if ((nesadapter->OneG_Mode) &&
+	    (nesadapter->phy_type[nesdev->mac_index] != NES_PHY_TYPE_PUMA_1G)) {
+		unsigned long flags;
+		u16 phy_data;
+		u8 phy_index = nesadapter->phy_index[nesdev->mac_index];
+
+		spin_lock_irqsave(&nesadapter->phy_lock, flags);
+		nes_read_1G_phy_reg(nesdev, 0, phy_index, &phy_data);
+		if (cmd->base.autoneg) {
+			/* Turn on Full duplex, Autoneg, and restart autonegotiation */
+			phy_data |= 0x1300;
+		} else {
+			/* Turn off autoneg */
+			phy_data &= ~0x1000;
+		}
+		nes_write_1G_phy_reg(nesdev, 0, phy_index, phy_data);
+		spin_unlock_irqrestore(&nesadapter->phy_lock, flags);
+	}
+
+	return 0;
+}
+
+
+static const struct ethtool_ops nes_ethtool_ops = {
+	.get_link = ethtool_op_get_link,
+	.get_strings = nes_netdev_get_strings,
+	.get_sset_count = nes_netdev_get_sset_count,
+	.get_ethtool_stats = nes_netdev_get_ethtool_stats,
+	.get_drvinfo = nes_netdev_get_drvinfo,
+	.get_coalesce = nes_netdev_get_coalesce,
+	.set_coalesce = nes_netdev_set_coalesce,
+	.get_pauseparam = nes_netdev_get_pauseparam,
+	.set_pauseparam = nes_netdev_set_pauseparam,
+	.get_link_ksettings = nes_netdev_get_link_ksettings,
+	.set_link_ksettings = nes_netdev_set_link_ksettings,
+};
+
+static void nes_vlan_mode(struct net_device *netdev, struct nes_device *nesdev, netdev_features_t features)
+{
+	struct nes_adapter *nesadapter = nesdev->nesadapter;
+	u32 u32temp;
+	unsigned long flags;
+
+	spin_lock_irqsave(&nesadapter->phy_lock, flags);
+
+	nes_debug(NES_DBG_NETDEV, "%s: %s\n", __func__, netdev->name);
+
+	/* Enable/Disable VLAN Stripping */
+	u32temp = nes_read_indexed(nesdev, NES_IDX_PCIX_DIAG);
+	if (features & NETIF_F_HW_VLAN_CTAG_RX)
+		u32temp &= 0xfdffffff;
+	else
+		u32temp	|= 0x02000000;
+
+	nes_write_indexed(nesdev, NES_IDX_PCIX_DIAG, u32temp);
+	spin_unlock_irqrestore(&nesadapter->phy_lock, flags);
+}
+
+static netdev_features_t nes_fix_features(struct net_device *netdev, netdev_features_t features)
+{
+	/*
+	 * Since there is no support for separate rx/tx vlan accel
+	 * enable/disable make sure tx flag is always in same state as rx.
+	 */
+	if (features & NETIF_F_HW_VLAN_CTAG_RX)
+		features |= NETIF_F_HW_VLAN_CTAG_TX;
+	else
+		features &= ~NETIF_F_HW_VLAN_CTAG_TX;
+
+	return features;
+}
+
+static int nes_set_features(struct net_device *netdev, netdev_features_t features)
+{
+	struct nes_vnic *nesvnic = netdev_priv(netdev);
+	struct nes_device *nesdev = nesvnic->nesdev;
+	u32 changed = netdev->features ^ features;
+
+	if (changed & NETIF_F_HW_VLAN_CTAG_RX)
+		nes_vlan_mode(netdev, nesdev, features);
+
+	return 0;
+}
+
+static const struct net_device_ops nes_netdev_ops = {
+	.ndo_open		= nes_netdev_open,
+	.ndo_stop		= nes_netdev_stop,
+	.ndo_start_xmit		= nes_netdev_start_xmit,
+	.ndo_get_stats		= nes_netdev_get_stats,
+	.ndo_tx_timeout		= nes_netdev_tx_timeout,
+	.ndo_set_mac_address	= nes_netdev_set_mac_address,
+	.ndo_set_rx_mode	= nes_netdev_set_multicast_list,
+	.ndo_change_mtu		= nes_netdev_change_mtu,
+	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_fix_features	= nes_fix_features,
+	.ndo_set_features	= nes_set_features,
+};
+
+/**
+ * nes_netdev_init - initialize network device
+ */
+struct net_device *nes_netdev_init(struct nes_device *nesdev,
+		void __iomem *mmio_addr)
+{
+	u64 u64temp;
+	struct nes_vnic *nesvnic;
+	struct net_device *netdev;
+	struct nic_qp_map *curr_qp_map;
+	u8 phy_type = nesdev->nesadapter->phy_type[nesdev->mac_index];
+
+	netdev = alloc_etherdev(sizeof(struct nes_vnic));
+	if (!netdev) {
+		printk(KERN_ERR PFX "nesvnic etherdev alloc failed");
+		return NULL;
+	}
+	nesvnic = netdev_priv(netdev);
+
+	nes_debug(NES_DBG_INIT, "netdev = %p, %s\n", netdev, netdev->name);
+
+	SET_NETDEV_DEV(netdev, &nesdev->pcidev->dev);
+
+	netdev->watchdog_timeo = NES_TX_TIMEOUT;
+	netdev->irq = nesdev->pcidev->irq;
+	netdev->max_mtu = NES_MAX_MTU;
+	netdev->hard_header_len = ETH_HLEN;
+	netdev->addr_len = ETH_ALEN;
+	netdev->type = ARPHRD_ETHER;
+	netdev->netdev_ops = &nes_netdev_ops;
+	netdev->ethtool_ops = &nes_ethtool_ops;
+	netif_napi_add(netdev, &nesvnic->napi, nes_netdev_poll, 128);
+	nes_debug(NES_DBG_INIT, "Enabling VLAN Insert/Delete.\n");
+
+	/* Fill in the port structure */
+	nesvnic->netdev = netdev;
+	nesvnic->nesdev = nesdev;
+	nesvnic->msg_enable = netif_msg_init(debug, default_msg);
+	nesvnic->netdev_index = nesdev->netdev_count;
+	nesvnic->perfect_filter_index = nesdev->nesadapter->netdev_count;
+	nesvnic->max_frame_size = netdev->mtu + netdev->hard_header_len + VLAN_HLEN;
+
+	curr_qp_map = nic_qp_mapping_per_function[PCI_FUNC(nesdev->pcidev->devfn)];
+	nesvnic->nic.qp_id = curr_qp_map[nesdev->netdev_count].qpid;
+	nesvnic->nic_index = curr_qp_map[nesdev->netdev_count].nic_index;
+	nesvnic->logical_port = curr_qp_map[nesdev->netdev_count].logical_port;
+
+	/* Setup the burned in MAC address */
+	u64temp = (u64)nesdev->nesadapter->mac_addr_low;
+	u64temp += ((u64)nesdev->nesadapter->mac_addr_high) << 32;
+	u64temp += nesvnic->nic_index;
+	netdev->dev_addr[0] = (u8)(u64temp>>40);
+	netdev->dev_addr[1] = (u8)(u64temp>>32);
+	netdev->dev_addr[2] = (u8)(u64temp>>24);
+	netdev->dev_addr[3] = (u8)(u64temp>>16);
+	netdev->dev_addr[4] = (u8)(u64temp>>8);
+	netdev->dev_addr[5] = (u8)u64temp;
+
+	netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_RX;
+	if ((nesvnic->logical_port < 2) || (nesdev->nesadapter->hw_rev != NE020_REV))
+		netdev->hw_features |= NETIF_F_TSO;
+
+	netdev->features = netdev->hw_features | NETIF_F_HIGHDMA | NETIF_F_HW_VLAN_CTAG_TX;
+
+	nes_debug(NES_DBG_INIT, "nesvnic = %p, reported features = 0x%lX, QPid = %d,"
+			" nic_index = %d, logical_port = %d, mac_index = %d.\n",
+			nesvnic, (unsigned long)netdev->features, nesvnic->nic.qp_id,
+			nesvnic->nic_index, nesvnic->logical_port,  nesdev->mac_index);
+
+	if (nesvnic->nesdev->nesadapter->port_count == 1 &&
+		nesvnic->nesdev->nesadapter->adapter_fcn_count == 1) {
+
+		nesvnic->qp_nic_index[0] = nesvnic->nic_index;
+		nesvnic->qp_nic_index[1] = nesvnic->nic_index + 1;
+		if (nes_drv_opt & NES_DRV_OPT_DUAL_LOGICAL_PORT) {
+			nesvnic->qp_nic_index[2] = 0xf;
+			nesvnic->qp_nic_index[3] = 0xf;
+		} else {
+			nesvnic->qp_nic_index[2] = nesvnic->nic_index + 2;
+			nesvnic->qp_nic_index[3] = nesvnic->nic_index + 3;
+		}
+	} else {
+		if (nesvnic->nesdev->nesadapter->port_count == 2 ||
+			(nesvnic->nesdev->nesadapter->port_count == 1 &&
+			nesvnic->nesdev->nesadapter->adapter_fcn_count == 2)) {
+				nesvnic->qp_nic_index[0] = nesvnic->nic_index;
+				nesvnic->qp_nic_index[1] = nesvnic->nic_index
+									+ 2;
+				nesvnic->qp_nic_index[2] = 0xf;
+				nesvnic->qp_nic_index[3] = 0xf;
+		} else {
+			nesvnic->qp_nic_index[0] = nesvnic->nic_index;
+			nesvnic->qp_nic_index[1] = 0xf;
+			nesvnic->qp_nic_index[2] = 0xf;
+			nesvnic->qp_nic_index[3] = 0xf;
+		}
+	}
+	nesvnic->next_qp_nic_index = 0;
+
+	if (nesdev->netdev_count == 0) {
+		nesvnic->rdma_enabled = 1;
+	} else {
+		nesvnic->rdma_enabled = 0;
+	}
+	nesvnic->nic_cq.cq_number = nesvnic->nic.qp_id;
+	timer_setup(&nesvnic->event_timer, NULL, 0);
+	spin_lock_init(&nesvnic->tx_lock);
+	spin_lock_init(&nesvnic->port_ibevent_lock);
+	nesdev->netdev[nesdev->netdev_count] = netdev;
+
+	nes_debug(NES_DBG_INIT, "Adding nesvnic (%p) to the adapters nesvnic_list for MAC%d.\n",
+			nesvnic, nesdev->mac_index);
+	list_add_tail(&nesvnic->list, &nesdev->nesadapter->nesvnic_list[nesdev->mac_index]);
+
+	if ((nesdev->netdev_count == 0) &&
+	    ((PCI_FUNC(nesdev->pcidev->devfn) == nesdev->mac_index) ||
+	     ((phy_type == NES_PHY_TYPE_PUMA_1G) &&
+	      (((PCI_FUNC(nesdev->pcidev->devfn) == 1) && (nesdev->mac_index == 2)) ||
+	       ((PCI_FUNC(nesdev->pcidev->devfn) == 2) && (nesdev->mac_index == 1)))))) {
+		u32 u32temp;
+		u32 link_mask = 0;
+		u32 link_val = 0;
+		u16 temp_phy_data;
+		u16 phy_data = 0;
+		unsigned long flags;
+
+		u32temp = nes_read_indexed(nesdev, NES_IDX_PHY_PCS_CONTROL_STATUS0 +
+				(0x200 * (nesdev->mac_index & 1)));
+		if (phy_type != NES_PHY_TYPE_PUMA_1G) {
+			u32temp |= 0x00200000;
+			nes_write_indexed(nesdev, NES_IDX_PHY_PCS_CONTROL_STATUS0 +
+				(0x200 * (nesdev->mac_index & 1)), u32temp);
+		}
+
+		/* Check and set linkup here.  This is for back to back */
+		/* configuration where second port won't get link interrupt */
+		switch (phy_type) {
+		case NES_PHY_TYPE_PUMA_1G:
+			if (nesdev->mac_index < 2) {
+				link_mask = 0x01010000;
+				link_val = 0x01010000;
+			} else {
+				link_mask = 0x02020000;
+				link_val = 0x02020000;
+			}
+			break;
+		case NES_PHY_TYPE_SFP_D:
+			spin_lock_irqsave(&nesdev->nesadapter->phy_lock, flags);
+			nes_read_10G_phy_reg(nesdev,
+					     nesdev->nesadapter->phy_index[nesdev->mac_index],
+					     1, 0x9003);
+			temp_phy_data = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
+			nes_read_10G_phy_reg(nesdev,
+					     nesdev->nesadapter->phy_index[nesdev->mac_index],
+					     3, 0x0021);
+			nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
+			nes_read_10G_phy_reg(nesdev,
+					     nesdev->nesadapter->phy_index[nesdev->mac_index],
+					     3, 0x0021);
+			phy_data = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
+			spin_unlock_irqrestore(&nesdev->nesadapter->phy_lock, flags);
+			phy_data = (!temp_phy_data && (phy_data == 0x8000)) ? 0x4 : 0x0;
+			break;
+		default:
+			link_mask = 0x0f1f0000;
+			link_val = 0x0f0f0000;
+			break;
+		}
+
+		u32temp = nes_read_indexed(nesdev,
+					   NES_IDX_PHY_PCS_CONTROL_STATUS0 +
+					   (0x200 * (nesdev->mac_index & 1)));
+
+		if (phy_type == NES_PHY_TYPE_SFP_D) {
+			if (phy_data & 0x0004)
+				nesvnic->linkup = 1;
+		} else {
+			if ((u32temp & link_mask) == link_val)
+				nesvnic->linkup = 1;
+		}
+
+		/* clear the MAC interrupt status, assumes direct logical to physical mapping */
+		u32temp = nes_read_indexed(nesdev, NES_IDX_MAC_INT_STATUS + (0x200 * nesdev->mac_index));
+		nes_debug(NES_DBG_INIT, "Phy interrupt status = 0x%X.\n", u32temp);
+		nes_write_indexed(nesdev, NES_IDX_MAC_INT_STATUS + (0x200 * nesdev->mac_index), u32temp);
+
+		nes_init_phy(nesdev);
+	}
+
+	nes_vlan_mode(netdev, nesdev, netdev->features);
+
+	return netdev;
+}
+
+
+/**
+ * nes_netdev_destroy - destroy network device structure
+ */
+void nes_netdev_destroy(struct net_device *netdev)
+{
+	struct nes_vnic *nesvnic = netdev_priv(netdev);
+
+	/* make sure 'stop' method is called by Linux stack */
+	/* nes_netdev_stop(netdev); */
+
+	list_del(&nesvnic->list);
+
+	if (nesvnic->of_device_registered) {
+		nes_destroy_ofa_device(nesvnic->nesibdev);
+	}
+
+	free_netdev(netdev);
+}
+
+
+/**
+ * nes_nic_cm_xmit -- CM calls this to send out pkts
+ */
+int nes_nic_cm_xmit(struct sk_buff *skb, struct net_device *netdev)
+{
+	int ret;
+
+	skb->dev = netdev;
+	ret = dev_queue_xmit(skb);
+	if (ret) {
+		nes_debug(NES_DBG_CM, "Bad return code from dev_queue_xmit %d\n", ret);
+	}
+
+	return ret;
+}