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Diffstat (limited to 'kernel/linux/kni/ethtool/ixgbe/ixgbe_main.c')
-rw-r--r--kernel/linux/kni/ethtool/ixgbe/ixgbe_main.c2951
1 files changed, 2951 insertions, 0 deletions
diff --git a/kernel/linux/kni/ethtool/ixgbe/ixgbe_main.c b/kernel/linux/kni/ethtool/ixgbe/ixgbe_main.c
new file mode 100644
index 0000000..a5acf19
--- /dev/null
+++ b/kernel/linux/kni/ethtool/ixgbe/ixgbe_main.c
@@ -0,0 +1,2951 @@
+// SPDX-License-Identifier: GPL-2.0
+/*******************************************************************************
+
+ Intel 10 Gigabit PCI Express Linux driver
+ Copyright(c) 1999 - 2012 Intel Corporation.
+
+ Contact Information:
+ e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+ Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+/******************************************************************************
+ Copyright (c)2006 - 2007 Myricom, Inc. for some LRO specific code
+******************************************************************************/
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/netdevice.h>
+#include <linux/vmalloc.h>
+#include <linux/highmem.h>
+#include <linux/string.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/tcp.h>
+#ifdef HAVE_SCTP
+#include <linux/sctp.h>
+#endif
+#include <linux/pkt_sched.h>
+#include <linux/ipv6.h>
+#ifdef NETIF_F_TSO
+#include <net/checksum.h>
+#ifdef NETIF_F_TSO6
+#include <net/ip6_checksum.h>
+#endif
+#endif
+#ifdef SIOCETHTOOL
+#include <linux/ethtool.h>
+#endif
+
+#include "ixgbe.h"
+
+#undef CONFIG_DCA
+#undef CONFIG_DCA_MODULE
+
+char ixgbe_driver_name[] = "ixgbe";
+#define DRV_HW_PERF
+
+#ifndef CONFIG_IXGBE_NAPI
+#define DRIVERNAPI
+#else
+#define DRIVERNAPI "-NAPI"
+#endif
+
+#define FPGA
+
+#define VMDQ_TAG
+
+#define MAJ 3
+#define MIN 9
+#define BUILD 17
+#define DRV_VERSION __stringify(MAJ) "." __stringify(MIN) "." \
+ __stringify(BUILD) DRIVERNAPI DRV_HW_PERF FPGA VMDQ_TAG
+const char ixgbe_driver_version[] = DRV_VERSION;
+
+/* ixgbe_pci_tbl - PCI Device ID Table
+ *
+ * Wildcard entries (PCI_ANY_ID) should come last
+ * Last entry must be all 0s
+ *
+ * { Vendor ID, Device ID, SubVendor ID, SubDevice ID,
+ * Class, Class Mask, private data (not used) }
+ */
+const struct pci_device_id ixgbe_pci_tbl[] = {
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AF_DUAL_PORT)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AF_SINGLE_PORT)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AT)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598AT2)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598EB_CX4)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598_CX4_DUAL_PORT)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598_DA_DUAL_PORT)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598EB_XF_LR)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598EB_SFP_LOM)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82598_BX)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_KX4)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_XAUI_LOM)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_KR)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_SFP)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_SFP_EM)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_KX4_MEZZ)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_CX4)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_BACKPLANE_FCOE)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_SFP_FCOE)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_T3_LOM)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_COMBO_BACKPLANE)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_X540T)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_SFP_SF2)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_LS)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599EN_SFP)},
+ {PCI_VDEVICE(INTEL, IXGBE_DEV_ID_82599_QSFP_SF_QP)},
+ /* required last entry */
+ {0, }
+};
+
+#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+static int ixgbe_notify_dca(struct notifier_block *, unsigned long event,
+ void *p);
+static struct notifier_block dca_notifier = {
+ .notifier_call = ixgbe_notify_dca,
+ .next = NULL,
+ .priority = 0
+};
+
+#endif
+MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
+MODULE_DESCRIPTION("Intel(R) 10 Gigabit PCI Express Network Driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_VERSION);
+
+#define DEFAULT_DEBUG_LEVEL_SHIFT 3
+
+
+static void ixgbe_release_hw_control(struct ixgbe_adapter *adapter)
+{
+ u32 ctrl_ext;
+
+ /* Let firmware take over control of h/w */
+ ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT);
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT,
+ ctrl_ext & ~IXGBE_CTRL_EXT_DRV_LOAD);
+}
+
+#ifdef NO_VNIC
+static void ixgbe_get_hw_control(struct ixgbe_adapter *adapter)
+{
+ u32 ctrl_ext;
+
+ /* Let firmware know the driver has taken over */
+ ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT);
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT,
+ ctrl_ext | IXGBE_CTRL_EXT_DRV_LOAD);
+}
+#endif
+
+
+static void ixgbe_update_xoff_rx_lfc(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ struct ixgbe_hw_stats *hwstats = &adapter->stats;
+ int i;
+ u32 data;
+
+ if ((hw->fc.current_mode != ixgbe_fc_full) &&
+ (hw->fc.current_mode != ixgbe_fc_rx_pause))
+ return;
+
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB:
+ data = IXGBE_READ_REG(hw, IXGBE_LXOFFRXC);
+ break;
+ default:
+ data = IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT);
+ }
+ hwstats->lxoffrxc += data;
+
+ /* refill credits (no tx hang) if we received xoff */
+ if (!data)
+ return;
+
+ for (i = 0; i < adapter->num_tx_queues; i++)
+ clear_bit(__IXGBE_HANG_CHECK_ARMED,
+ &adapter->tx_ring[i]->state);
+}
+
+static void ixgbe_update_xoff_received(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ struct ixgbe_hw_stats *hwstats = &adapter->stats;
+ u32 xoff[8] = {0};
+ int i;
+ bool pfc_en = adapter->dcb_cfg.pfc_mode_enable;
+
+#ifdef HAVE_DCBNL_IEEE
+ if (adapter->ixgbe_ieee_pfc)
+ pfc_en |= !!(adapter->ixgbe_ieee_pfc->pfc_en);
+
+#endif
+ if (!(adapter->flags & IXGBE_FLAG_DCB_ENABLED) || !pfc_en) {
+ ixgbe_update_xoff_rx_lfc(adapter);
+ return;
+ }
+
+ /* update stats for each tc, only valid with PFC enabled */
+ for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB:
+ xoff[i] = IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i));
+ break;
+ default:
+ xoff[i] = IXGBE_READ_REG(hw, IXGBE_PXOFFRXCNT(i));
+ }
+ hwstats->pxoffrxc[i] += xoff[i];
+ }
+
+ /* disarm tx queues that have received xoff frames */
+ for (i = 0; i < adapter->num_tx_queues; i++) {
+ struct ixgbe_ring *tx_ring = adapter->tx_ring[i];
+ u8 tc = tx_ring->dcb_tc;
+
+ if ((tc <= 7) && (xoff[tc]))
+ clear_bit(__IXGBE_HANG_CHECK_ARMED, &tx_ring->state);
+ }
+}
+
+
+
+
+#define IXGBE_SRRCTL_BSIZEHDRSIZE_SHIFT 2
+
+
+
+
+#ifdef HAVE_8021P_SUPPORT
+/**
+ * ixgbe_vlan_stripping_disable - helper to disable vlan tag stripping
+ * @adapter: driver data
+ */
+void ixgbe_vlan_stripping_disable(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 vlnctrl;
+ int i;
+
+ /* leave vlan tag stripping enabled for DCB */
+ if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)
+ return;
+
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB:
+ vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
+ vlnctrl &= ~IXGBE_VLNCTRL_VME;
+ IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
+ break;
+ case ixgbe_mac_82599EB:
+ case ixgbe_mac_X540:
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+ u8 reg_idx = adapter->rx_ring[i]->reg_idx;
+ vlnctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(reg_idx));
+ vlnctrl &= ~IXGBE_RXDCTL_VME;
+ IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(reg_idx), vlnctrl);
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+#endif
+/**
+ * ixgbe_vlan_stripping_enable - helper to enable vlan tag stripping
+ * @adapter: driver data
+ */
+void ixgbe_vlan_stripping_enable(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 vlnctrl;
+ int i;
+
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB:
+ vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
+ vlnctrl |= IXGBE_VLNCTRL_VME;
+ IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
+ break;
+ case ixgbe_mac_82599EB:
+ case ixgbe_mac_X540:
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+ u8 reg_idx = adapter->rx_ring[i]->reg_idx;
+ vlnctrl = IXGBE_READ_REG(hw, IXGBE_RXDCTL(reg_idx));
+ vlnctrl |= IXGBE_RXDCTL_VME;
+ IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(reg_idx), vlnctrl);
+ }
+ break;
+ default:
+ break;
+ }
+}
+
+#ifdef HAVE_VLAN_RX_REGISTER
+void ixgbe_vlan_mode(struct net_device *netdev, struct vlan_group *grp)
+#else
+void ixgbe_vlan_mode(struct net_device *netdev, u32 features)
+#endif
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+#ifdef HAVE_8021P_SUPPORT
+ bool enable;
+#endif
+#ifdef HAVE_VLAN_RX_REGISTER
+
+ //if (!test_bit(__IXGBE_DOWN, &adapter->state))
+ // ixgbe_irq_disable(adapter);
+
+ adapter->vlgrp = grp;
+
+ //if (!test_bit(__IXGBE_DOWN, &adapter->state))
+ // ixgbe_irq_enable(adapter, true, true);
+#endif
+#ifdef HAVE_8021P_SUPPORT
+#ifdef HAVE_VLAN_RX_REGISTER
+ enable = (grp || (adapter->flags & IXGBE_FLAG_DCB_ENABLED));
+#else
+ enable = !!(features & NETIF_F_HW_VLAN_RX);
+#endif
+ if (enable)
+ /* enable VLAN tag insert/strip */
+ ixgbe_vlan_stripping_enable(adapter);
+ else
+ /* disable VLAN tag insert/strip */
+ ixgbe_vlan_stripping_disable(adapter);
+
+#endif
+}
+
+static u8 *ixgbe_addr_list_itr(struct ixgbe_hw *hw, u8 **mc_addr_ptr, u32 *vmdq)
+{
+#ifdef NETDEV_HW_ADDR_T_MULTICAST
+ struct netdev_hw_addr *mc_ptr;
+#else
+ struct dev_mc_list *mc_ptr;
+#endif
+ struct ixgbe_adapter *adapter = hw->back;
+ u8 *addr = *mc_addr_ptr;
+
+ *vmdq = adapter->num_vfs;
+
+#ifdef NETDEV_HW_ADDR_T_MULTICAST
+ mc_ptr = container_of(addr, struct netdev_hw_addr, addr[0]);
+ if (mc_ptr->list.next) {
+ struct netdev_hw_addr *ha;
+
+ ha = list_entry(mc_ptr->list.next, struct netdev_hw_addr, list);
+ *mc_addr_ptr = ha->addr;
+ }
+#else
+ mc_ptr = container_of(addr, struct dev_mc_list, dmi_addr[0]);
+ if (mc_ptr->next)
+ *mc_addr_ptr = mc_ptr->next->dmi_addr;
+#endif
+ else
+ *mc_addr_ptr = NULL;
+
+ return addr;
+}
+
+/**
+ * ixgbe_write_mc_addr_list - write multicast addresses to MTA
+ * @netdev: network interface device structure
+ *
+ * Writes multicast address list to the MTA hash table.
+ * Returns: -ENOMEM on failure
+ * 0 on no addresses written
+ * X on writing X addresses to MTA
+ **/
+int ixgbe_write_mc_addr_list(struct net_device *netdev)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_hw *hw = &adapter->hw;
+#ifdef NETDEV_HW_ADDR_T_MULTICAST
+ struct netdev_hw_addr *ha;
+#endif
+ u8 *addr_list = NULL;
+ int addr_count = 0;
+
+ if (!hw->mac.ops.update_mc_addr_list)
+ return -ENOMEM;
+
+ if (!netif_running(netdev))
+ return 0;
+
+
+ hw->mac.ops.update_mc_addr_list(hw, NULL, 0,
+ ixgbe_addr_list_itr, true);
+
+ if (!netdev_mc_empty(netdev)) {
+#ifdef NETDEV_HW_ADDR_T_MULTICAST
+ ha = list_first_entry(&netdev->mc.list,
+ struct netdev_hw_addr, list);
+ addr_list = ha->addr;
+#else
+ addr_list = netdev->mc_list->dmi_addr;
+#endif
+ addr_count = netdev_mc_count(netdev);
+
+ hw->mac.ops.update_mc_addr_list(hw, addr_list, addr_count,
+ ixgbe_addr_list_itr, false);
+ }
+
+#ifdef CONFIG_PCI_IOV
+ //ixgbe_restore_vf_multicasts(adapter);
+#endif
+ return addr_count;
+}
+
+
+void ixgbe_full_sync_mac_table(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ int i;
+ for (i = 0; i < hw->mac.num_rar_entries; i++) {
+ if (adapter->mac_table[i].state & IXGBE_MAC_STATE_IN_USE) {
+ hw->mac.ops.set_rar(hw, i, adapter->mac_table[i].addr,
+ adapter->mac_table[i].queue,
+ IXGBE_RAH_AV);
+ } else {
+ hw->mac.ops.clear_rar(hw, i);
+ }
+ }
+}
+
+void ixgbe_sync_mac_table(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ int i;
+ for (i = 0; i < hw->mac.num_rar_entries; i++) {
+ if (adapter->mac_table[i].state & IXGBE_MAC_STATE_MODIFIED) {
+ if (adapter->mac_table[i].state &
+ IXGBE_MAC_STATE_IN_USE) {
+ hw->mac.ops.set_rar(hw, i,
+ adapter->mac_table[i].addr,
+ adapter->mac_table[i].queue,
+ IXGBE_RAH_AV);
+ } else {
+ hw->mac.ops.clear_rar(hw, i);
+ }
+ adapter->mac_table[i].state &=
+ ~(IXGBE_MAC_STATE_MODIFIED);
+ }
+ }
+}
+
+int ixgbe_available_rars(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ int i, count = 0;
+
+ for (i = 0; i < hw->mac.num_rar_entries; i++) {
+ if (adapter->mac_table[i].state == 0)
+ count++;
+ }
+ return count;
+}
+
+int ixgbe_add_mac_filter(struct ixgbe_adapter *adapter, u8 *addr, u16 queue)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ int i;
+
+ if (is_zero_ether_addr(addr))
+ return 0;
+
+ for (i = 0; i < hw->mac.num_rar_entries; i++) {
+ if (adapter->mac_table[i].state & IXGBE_MAC_STATE_IN_USE)
+ continue;
+ adapter->mac_table[i].state |= (IXGBE_MAC_STATE_MODIFIED |
+ IXGBE_MAC_STATE_IN_USE);
+ memcpy(adapter->mac_table[i].addr, addr, ETH_ALEN);
+ adapter->mac_table[i].queue = queue;
+ ixgbe_sync_mac_table(adapter);
+ return i;
+ }
+ return -ENOMEM;
+}
+
+void ixgbe_flush_sw_mac_table(struct ixgbe_adapter *adapter)
+{
+ int i;
+ struct ixgbe_hw *hw = &adapter->hw;
+
+ for (i = 0; i < hw->mac.num_rar_entries; i++) {
+ adapter->mac_table[i].state |= IXGBE_MAC_STATE_MODIFIED;
+ adapter->mac_table[i].state &= ~IXGBE_MAC_STATE_IN_USE;
+ memset(adapter->mac_table[i].addr, 0, ETH_ALEN);
+ adapter->mac_table[i].queue = 0;
+ }
+ ixgbe_sync_mac_table(adapter);
+}
+
+void ixgbe_del_mac_filter_by_index(struct ixgbe_adapter *adapter, int index)
+{
+ adapter->mac_table[index].state |= IXGBE_MAC_STATE_MODIFIED;
+ adapter->mac_table[index].state &= ~IXGBE_MAC_STATE_IN_USE;
+ memset(adapter->mac_table[index].addr, 0, ETH_ALEN);
+ adapter->mac_table[index].queue = 0;
+ ixgbe_sync_mac_table(adapter);
+}
+
+int ixgbe_del_mac_filter(struct ixgbe_adapter *adapter, u8* addr, u16 queue)
+{
+ /* search table for addr, if found, set to 0 and sync */
+ int i;
+ struct ixgbe_hw *hw = &adapter->hw;
+
+ if (is_zero_ether_addr(addr))
+ return 0;
+ for (i = 0; i < hw->mac.num_rar_entries; i++) {
+ if (ether_addr_equal(addr, adapter->mac_table[i].addr) &&
+ adapter->mac_table[i].queue == queue) {
+ adapter->mac_table[i].state |= IXGBE_MAC_STATE_MODIFIED;
+ adapter->mac_table[i].state &= ~IXGBE_MAC_STATE_IN_USE;
+ memset(adapter->mac_table[i].addr, 0, ETH_ALEN);
+ adapter->mac_table[i].queue = 0;
+ ixgbe_sync_mac_table(adapter);
+ return 0;
+ }
+ }
+ return -ENOMEM;
+}
+#ifdef HAVE_SET_RX_MODE
+/**
+ * ixgbe_write_uc_addr_list - write unicast addresses to RAR table
+ * @netdev: network interface device structure
+ *
+ * Writes unicast address list to the RAR table.
+ * Returns: -ENOMEM on failure/insufficient address space
+ * 0 on no addresses written
+ * X on writing X addresses to the RAR table
+ **/
+int ixgbe_write_uc_addr_list(struct ixgbe_adapter *adapter,
+ struct net_device *netdev, unsigned int vfn)
+{
+ int count = 0;
+
+ /* return ENOMEM indicating insufficient memory for addresses */
+ if (netdev_uc_count(netdev) > ixgbe_available_rars(adapter))
+ return -ENOMEM;
+
+ if (!netdev_uc_empty(netdev)) {
+#ifdef NETDEV_HW_ADDR_T_UNICAST
+ struct netdev_hw_addr *ha;
+#else
+ struct dev_mc_list *ha;
+#endif
+ netdev_for_each_uc_addr(ha, netdev) {
+#ifdef NETDEV_HW_ADDR_T_UNICAST
+ ixgbe_del_mac_filter(adapter, ha->addr, (u16)vfn);
+ ixgbe_add_mac_filter(adapter, ha->addr, (u16)vfn);
+#else
+ ixgbe_del_mac_filter(adapter, ha->da_addr, (u16)vfn);
+ ixgbe_add_mac_filter(adapter, ha->da_addr, (u16)vfn);
+#endif
+ count++;
+ }
+ }
+ return count;
+}
+
+#endif
+/**
+ * ixgbe_set_rx_mode - Unicast, Multicast and Promiscuous mode set
+ * @netdev: network interface device structure
+ *
+ * The set_rx_method entry point is called whenever the unicast/multicast
+ * address list or the network interface flags are updated. This routine is
+ * responsible for configuring the hardware for proper unicast, multicast and
+ * promiscuous mode.
+ **/
+void ixgbe_set_rx_mode(struct net_device *netdev)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 fctrl, vmolr = IXGBE_VMOLR_BAM | IXGBE_VMOLR_AUPE;
+ u32 vlnctrl;
+ int count;
+
+ /* Check for Promiscuous and All Multicast modes */
+ fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
+ vlnctrl = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
+
+ /* set all bits that we expect to always be set */
+ fctrl |= IXGBE_FCTRL_BAM;
+ fctrl |= IXGBE_FCTRL_DPF; /* discard pause frames when FC enabled */
+ fctrl |= IXGBE_FCTRL_PMCF;
+
+ /* clear the bits we are changing the status of */
+ fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
+ vlnctrl &= ~(IXGBE_VLNCTRL_VFE | IXGBE_VLNCTRL_CFIEN);
+
+ if (netdev->flags & IFF_PROMISC) {
+ hw->addr_ctrl.user_set_promisc = true;
+ fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
+ vmolr |= IXGBE_VMOLR_MPE;
+ } else {
+ if (netdev->flags & IFF_ALLMULTI) {
+ fctrl |= IXGBE_FCTRL_MPE;
+ vmolr |= IXGBE_VMOLR_MPE;
+ } else {
+ /*
+ * Write addresses to the MTA, if the attempt fails
+ * then we should just turn on promiscuous mode so
+ * that we can at least receive multicast traffic
+ */
+ count = ixgbe_write_mc_addr_list(netdev);
+ if (count < 0) {
+ fctrl |= IXGBE_FCTRL_MPE;
+ vmolr |= IXGBE_VMOLR_MPE;
+ } else if (count) {
+ vmolr |= IXGBE_VMOLR_ROMPE;
+ }
+ }
+#ifdef NETIF_F_HW_VLAN_TX
+ /* enable hardware vlan filtering */
+ vlnctrl |= IXGBE_VLNCTRL_VFE;
+#endif
+ hw->addr_ctrl.user_set_promisc = false;
+#ifdef HAVE_SET_RX_MODE
+ /*
+ * Write addresses to available RAR registers, if there is not
+ * sufficient space to store all the addresses then enable
+ * unicast promiscuous mode
+ */
+ count = ixgbe_write_uc_addr_list(adapter, netdev,
+ adapter->num_vfs);
+ if (count < 0) {
+ fctrl |= IXGBE_FCTRL_UPE;
+ vmolr |= IXGBE_VMOLR_ROPE;
+ }
+#endif
+ }
+
+ if (hw->mac.type != ixgbe_mac_82598EB) {
+ vmolr |= IXGBE_READ_REG(hw, IXGBE_VMOLR(adapter->num_vfs)) &
+ ~(IXGBE_VMOLR_MPE | IXGBE_VMOLR_ROMPE |
+ IXGBE_VMOLR_ROPE);
+ IXGBE_WRITE_REG(hw, IXGBE_VMOLR(adapter->num_vfs), vmolr);
+ }
+
+ IXGBE_WRITE_REG(hw, IXGBE_VLNCTRL, vlnctrl);
+ IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl);
+}
+
+
+
+
+
+
+
+
+/* Additional bittime to account for IXGBE framing */
+#define IXGBE_ETH_FRAMING 20
+
+/*
+ * ixgbe_hpbthresh - calculate high water mark for flow control
+ *
+ * @adapter: board private structure to calculate for
+ * @pb - packet buffer to calculate
+ */
+static int ixgbe_hpbthresh(struct ixgbe_adapter *adapter, int pb)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ struct net_device *dev = adapter->netdev;
+ int link, tc, kb, marker;
+ u32 dv_id, rx_pba;
+
+ /* Calculate max LAN frame size */
+ tc = link = dev->mtu + ETH_HLEN + ETH_FCS_LEN + IXGBE_ETH_FRAMING;
+
+#ifdef IXGBE_FCOE
+ /* FCoE traffic class uses FCOE jumbo frames */
+ if (dev->features & NETIF_F_FCOE_MTU) {
+ int fcoe_pb = 0;
+
+ fcoe_pb = netdev_get_prio_tc_map(dev, adapter->fcoe.up);
+
+ if (fcoe_pb == pb && tc < IXGBE_FCOE_JUMBO_FRAME_SIZE)
+ tc = IXGBE_FCOE_JUMBO_FRAME_SIZE;
+ }
+#endif
+
+ /* Calculate delay value for device */
+ switch (hw->mac.type) {
+ case ixgbe_mac_X540:
+ dv_id = IXGBE_DV_X540(link, tc);
+ break;
+ default:
+ dv_id = IXGBE_DV(link, tc);
+ break;
+ }
+
+ /* Loopback switch introduces additional latency */
+ if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
+ dv_id += IXGBE_B2BT(tc);
+
+ /* Delay value is calculated in bit times convert to KB */
+ kb = IXGBE_BT2KB(dv_id);
+ rx_pba = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(pb)) >> 10;
+
+ marker = rx_pba - kb;
+
+ /* It is possible that the packet buffer is not large enough
+ * to provide required headroom. In this case throw an error
+ * to user and a do the best we can.
+ */
+ if (marker < 0) {
+ e_warn(drv, "Packet Buffer(%i) can not provide enough"
+ "headroom to suppport flow control."
+ "Decrease MTU or number of traffic classes\n", pb);
+ marker = tc + 1;
+ }
+
+ return marker;
+}
+
+/*
+ * ixgbe_lpbthresh - calculate low water mark for for flow control
+ *
+ * @adapter: board private structure to calculate for
+ * @pb - packet buffer to calculate
+ */
+static int ixgbe_lpbthresh(struct ixgbe_adapter *adapter, int pb)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ struct net_device *dev = adapter->netdev;
+ int tc;
+ u32 dv_id;
+
+ /* Calculate max LAN frame size */
+ tc = dev->mtu + ETH_HLEN + ETH_FCS_LEN;
+
+#ifdef IXGBE_FCOE
+ /* FCoE traffic class uses FCOE jumbo frames */
+ if (dev->features & NETIF_F_FCOE_MTU) {
+ int fcoe_pb = 0;
+
+ fcoe_pb = netdev_get_prio_tc_map(dev, adapter->fcoe.up);
+
+ if (fcoe_pb == pb && tc < IXGBE_FCOE_JUMBO_FRAME_SIZE)
+ tc = IXGBE_FCOE_JUMBO_FRAME_SIZE;
+ }
+#endif
+
+ /* Calculate delay value for device */
+ switch (hw->mac.type) {
+ case ixgbe_mac_X540:
+ dv_id = IXGBE_LOW_DV_X540(tc);
+ break;
+ default:
+ dv_id = IXGBE_LOW_DV(tc);
+ break;
+ }
+
+ /* Delay value is calculated in bit times convert to KB */
+ return IXGBE_BT2KB(dv_id);
+}
+
+/*
+ * ixgbe_pbthresh_setup - calculate and setup high low water marks
+ */
+static void ixgbe_pbthresh_setup(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ int num_tc = netdev_get_num_tc(adapter->netdev);
+ int i;
+
+ if (!num_tc)
+ num_tc = 1;
+ if (num_tc > IXGBE_DCB_MAX_TRAFFIC_CLASS)
+ num_tc = IXGBE_DCB_MAX_TRAFFIC_CLASS;
+
+ for (i = 0; i < num_tc; i++) {
+ hw->fc.high_water[i] = ixgbe_hpbthresh(adapter, i);
+ hw->fc.low_water[i] = ixgbe_lpbthresh(adapter, i);
+
+ /* Low water marks must not be larger than high water marks */
+ if (hw->fc.low_water[i] > hw->fc.high_water[i])
+ hw->fc.low_water[i] = 0;
+ }
+
+ for (; i < IXGBE_DCB_MAX_TRAFFIC_CLASS; i++)
+ hw->fc.high_water[i] = 0;
+}
+
+
+
+#ifdef NO_VNIC
+static void ixgbe_configure(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+
+ ixgbe_configure_pb(adapter);
+ ixgbe_configure_dcb(adapter);
+
+ ixgbe_set_rx_mode(adapter->netdev);
+#ifdef NETIF_F_HW_VLAN_TX
+ ixgbe_restore_vlan(adapter);
+#endif
+
+#ifdef IXGBE_FCOE
+ if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED)
+ ixgbe_configure_fcoe(adapter);
+
+#endif /* IXGBE_FCOE */
+
+ if (adapter->hw.mac.type != ixgbe_mac_82598EB)
+ hw->mac.ops.disable_sec_rx_path(hw);
+
+ if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) {
+ ixgbe_init_fdir_signature_82599(&adapter->hw,
+ adapter->fdir_pballoc);
+ } else if (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE) {
+ ixgbe_init_fdir_perfect_82599(&adapter->hw,
+ adapter->fdir_pballoc);
+ ixgbe_fdir_filter_restore(adapter);
+ }
+
+ if (adapter->hw.mac.type != ixgbe_mac_82598EB)
+ hw->mac.ops.enable_sec_rx_path(hw);
+
+ ixgbe_configure_virtualization(adapter);
+
+ ixgbe_configure_tx(adapter);
+ ixgbe_configure_rx(adapter);
+}
+#endif
+
+static bool ixgbe_is_sfp(struct ixgbe_hw *hw)
+{
+ switch (hw->phy.type) {
+ case ixgbe_phy_sfp_avago:
+ case ixgbe_phy_sfp_ftl:
+ case ixgbe_phy_sfp_intel:
+ case ixgbe_phy_sfp_unknown:
+ case ixgbe_phy_sfp_passive_tyco:
+ case ixgbe_phy_sfp_passive_unknown:
+ case ixgbe_phy_sfp_active_unknown:
+ case ixgbe_phy_sfp_ftl_active:
+ return true;
+ case ixgbe_phy_nl:
+ if (hw->mac.type == ixgbe_mac_82598EB)
+ return true;
+ default:
+ return false;
+ }
+}
+
+
+/**
+ * ixgbe_clear_vf_stats_counters - Clear out VF stats after reset
+ * @adapter: board private structure
+ *
+ * On a reset we need to clear out the VF stats or accounting gets
+ * messed up because they're not clear on read.
+ **/
+void ixgbe_clear_vf_stats_counters(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ int i;
+
+ for (i = 0; i < adapter->num_vfs; i++) {
+ adapter->vfinfo[i].last_vfstats.gprc =
+ IXGBE_READ_REG(hw, IXGBE_PVFGPRC(i));
+ adapter->vfinfo[i].saved_rst_vfstats.gprc +=
+ adapter->vfinfo[i].vfstats.gprc;
+ adapter->vfinfo[i].vfstats.gprc = 0;
+ adapter->vfinfo[i].last_vfstats.gptc =
+ IXGBE_READ_REG(hw, IXGBE_PVFGPTC(i));
+ adapter->vfinfo[i].saved_rst_vfstats.gptc +=
+ adapter->vfinfo[i].vfstats.gptc;
+ adapter->vfinfo[i].vfstats.gptc = 0;
+ adapter->vfinfo[i].last_vfstats.gorc =
+ IXGBE_READ_REG(hw, IXGBE_PVFGORC_LSB(i));
+ adapter->vfinfo[i].saved_rst_vfstats.gorc +=
+ adapter->vfinfo[i].vfstats.gorc;
+ adapter->vfinfo[i].vfstats.gorc = 0;
+ adapter->vfinfo[i].last_vfstats.gotc =
+ IXGBE_READ_REG(hw, IXGBE_PVFGOTC_LSB(i));
+ adapter->vfinfo[i].saved_rst_vfstats.gotc +=
+ adapter->vfinfo[i].vfstats.gotc;
+ adapter->vfinfo[i].vfstats.gotc = 0;
+ adapter->vfinfo[i].last_vfstats.mprc =
+ IXGBE_READ_REG(hw, IXGBE_PVFMPRC(i));
+ adapter->vfinfo[i].saved_rst_vfstats.mprc +=
+ adapter->vfinfo[i].vfstats.mprc;
+ adapter->vfinfo[i].vfstats.mprc = 0;
+ }
+}
+
+
+
+void ixgbe_reinit_locked(struct ixgbe_adapter *adapter)
+{
+#ifdef NO_VNIC
+ WARN_ON(in_interrupt());
+ /* put off any impending NetWatchDogTimeout */
+ adapter->netdev->trans_start = jiffies;
+
+ while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
+ usleep_range(1000, 2000);
+ ixgbe_down(adapter);
+ /*
+ * If SR-IOV enabled then wait a bit before bringing the adapter
+ * back up to give the VFs time to respond to the reset. The
+ * two second wait is based upon the watchdog timer cycle in
+ * the VF driver.
+ */
+ if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
+ msleep(2000);
+ ixgbe_up(adapter);
+ clear_bit(__IXGBE_RESETTING, &adapter->state);
+#endif
+}
+
+void ixgbe_up(struct ixgbe_adapter *adapter)
+{
+ /* hardware has been reset, we need to reload some things */
+ //ixgbe_configure(adapter);
+
+ //ixgbe_up_complete(adapter);
+}
+
+void ixgbe_reset(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ struct net_device *netdev = adapter->netdev;
+ int err;
+
+ /* lock SFP init bit to prevent race conditions with the watchdog */
+ while (test_and_set_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
+ usleep_range(1000, 2000);
+
+ /* clear all SFP and link config related flags while holding SFP_INIT */
+ adapter->flags2 &= ~(IXGBE_FLAG2_SEARCH_FOR_SFP |
+ IXGBE_FLAG2_SFP_NEEDS_RESET);
+ adapter->flags &= ~IXGBE_FLAG_NEED_LINK_CONFIG;
+
+ err = hw->mac.ops.init_hw(hw);
+ switch (err) {
+ case 0:
+ case IXGBE_ERR_SFP_NOT_PRESENT:
+ case IXGBE_ERR_SFP_NOT_SUPPORTED:
+ break;
+ case IXGBE_ERR_MASTER_REQUESTS_PENDING:
+ e_dev_err("master disable timed out\n");
+ break;
+ case IXGBE_ERR_EEPROM_VERSION:
+ /* We are running on a pre-production device, log a warning */
+ e_dev_warn("This device is a pre-production adapter/LOM. "
+ "Please be aware there may be issues associated "
+ "with your hardware. If you are experiencing "
+ "problems please contact your Intel or hardware "
+ "representative who provided you with this "
+ "hardware.\n");
+ break;
+ default:
+ e_dev_err("Hardware Error: %d\n", err);
+ }
+
+ clear_bit(__IXGBE_IN_SFP_INIT, &adapter->state);
+
+ ixgbe_flush_sw_mac_table(adapter);
+ memcpy(&adapter->mac_table[0].addr, hw->mac.perm_addr,
+ netdev->addr_len);
+ adapter->mac_table[0].queue = adapter->num_vfs;
+ adapter->mac_table[0].state = (IXGBE_MAC_STATE_DEFAULT |
+ IXGBE_MAC_STATE_IN_USE);
+ hw->mac.ops.set_rar(hw, 0, adapter->mac_table[0].addr,
+ adapter->mac_table[0].queue,
+ IXGBE_RAH_AV);
+}
+
+
+
+
+
+
+void ixgbe_down(struct ixgbe_adapter *adapter)
+{
+#ifdef NO_VNIC
+ struct net_device *netdev = adapter->netdev;
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 rxctrl;
+ int i;
+
+ /* signal that we are down to the interrupt handler */
+ set_bit(__IXGBE_DOWN, &adapter->state);
+
+ /* disable receives */
+ rxctrl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
+ IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, rxctrl & ~IXGBE_RXCTRL_RXEN);
+
+ /* disable all enabled rx queues */
+ for (i = 0; i < adapter->num_rx_queues; i++)
+ /* this call also flushes the previous write */
+ ixgbe_disable_rx_queue(adapter, adapter->rx_ring[i]);
+
+ usleep_range(10000, 20000);
+
+ netif_tx_stop_all_queues(netdev);
+
+ /* call carrier off first to avoid false dev_watchdog timeouts */
+ netif_carrier_off(netdev);
+ netif_tx_disable(netdev);
+
+ ixgbe_irq_disable(adapter);
+
+ ixgbe_napi_disable_all(adapter);
+
+ adapter->flags2 &= ~(IXGBE_FLAG2_FDIR_REQUIRES_REINIT |
+ IXGBE_FLAG2_RESET_REQUESTED);
+ adapter->flags &= ~IXGBE_FLAG_NEED_LINK_UPDATE;
+
+ del_timer_sync(&adapter->service_timer);
+
+ if (adapter->num_vfs) {
+ /* Clear EITR Select mapping */
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_EITRSEL, 0);
+
+ /* Mark all the VFs as inactive */
+ for (i = 0 ; i < adapter->num_vfs; i++)
+ adapter->vfinfo[i].clear_to_send = 0;
+
+ /* ping all the active vfs to let them know we are going down */
+ ixgbe_ping_all_vfs(adapter);
+
+ /* Disable all VFTE/VFRE TX/RX */
+ ixgbe_disable_tx_rx(adapter);
+ }
+
+ /* disable transmits in the hardware now that interrupts are off */
+ for (i = 0; i < adapter->num_tx_queues; i++) {
+ u8 reg_idx = adapter->tx_ring[i]->reg_idx;
+ IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(reg_idx), IXGBE_TXDCTL_SWFLSH);
+ }
+
+ /* Disable the Tx DMA engine on 82599 and X540 */
+ switch (hw->mac.type) {
+ case ixgbe_mac_82599EB:
+ case ixgbe_mac_X540:
+ IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL,
+ (IXGBE_READ_REG(hw, IXGBE_DMATXCTL) &
+ ~IXGBE_DMATXCTL_TE));
+ break;
+ default:
+ break;
+ }
+
+#ifdef HAVE_PCI_ERS
+ if (!pci_channel_offline(adapter->pdev))
+#endif
+ ixgbe_reset(adapter);
+ /* power down the optics */
+ if ((hw->phy.multispeed_fiber) ||
+ ((hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) &&
+ (hw->mac.type == ixgbe_mac_82599EB)))
+ ixgbe_disable_tx_laser(hw);
+
+ ixgbe_clean_all_tx_rings(adapter);
+ ixgbe_clean_all_rx_rings(adapter);
+
+#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+ /* since we reset the hardware DCA settings were cleared */
+ ixgbe_setup_dca(adapter);
+#endif
+
+#endif /* NO_VNIC */
+}
+
+#ifndef NO_VNIC
+
+#undef IXGBE_FCOE
+
+/* Artificial max queue cap per traffic class in DCB mode */
+#define DCB_QUEUE_CAP 8
+
+/**
+ * ixgbe_set_dcb_queues: Allocate queues for a DCB-enabled device
+ * @adapter: board private structure to initialize
+ *
+ * When DCB (Data Center Bridging) is enabled, allocate queues for
+ * each traffic class. If multiqueue isn't available,then abort DCB
+ * initialization.
+ *
+ * This function handles all combinations of DCB, RSS, and FCoE.
+ *
+ **/
+static bool ixgbe_set_dcb_queues(struct ixgbe_adapter *adapter)
+{
+ int tcs;
+#ifdef HAVE_MQPRIO
+ int rss_i, i, offset = 0;
+ struct net_device *dev = adapter->netdev;
+
+ /* Map queue offset and counts onto allocated tx queues */
+ tcs = netdev_get_num_tc(dev);
+
+ if (!tcs)
+ return false;
+
+ rss_i = min_t(int, dev->num_tx_queues / tcs, num_online_cpus());
+
+ if (rss_i > DCB_QUEUE_CAP)
+ rss_i = DCB_QUEUE_CAP;
+
+ for (i = 0; i < tcs; i++) {
+ netdev_set_tc_queue(dev, i, rss_i, offset);
+ offset += rss_i;
+ }
+
+ adapter->num_tx_queues = rss_i * tcs;
+ adapter->num_rx_queues = rss_i * tcs;
+
+#ifdef IXGBE_FCOE
+ /* FCoE enabled queues require special configuration indexed
+ * by feature specific indices and mask. Here we map FCoE
+ * indices onto the DCB queue pairs allowing FCoE to own
+ * configuration later.
+ */
+
+ if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) {
+ struct ixgbe_ring_feature *f;
+ int tc;
+ u8 prio_tc[IXGBE_DCB_MAX_USER_PRIORITY] = {0};
+
+ ixgbe_dcb_unpack_map_cee(&adapter->dcb_cfg,
+ IXGBE_DCB_TX_CONFIG,
+ prio_tc);
+ tc = prio_tc[adapter->fcoe.up];
+
+ f = &adapter->ring_feature[RING_F_FCOE];
+ f->indices = min_t(int, rss_i, f->indices);
+ f->mask = rss_i * tc;
+ }
+#endif /* IXGBE_FCOE */
+#else
+ if (!(adapter->flags & IXGBE_FLAG_DCB_ENABLED))
+ return false;
+
+ /* Enable one Queue per traffic class */
+ tcs = adapter->tc;
+ if (!tcs)
+ return false;
+
+#ifdef IXGBE_FCOE
+ if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) {
+ struct ixgbe_ring_feature *f;
+ int tc = netdev_get_prio_tc_map(adapter->netdev,
+ adapter->fcoe.up);
+
+ f = &adapter->ring_feature[RING_F_FCOE];
+
+ /*
+ * We have max 8 queues for FCoE, where 8 the is
+ * FCoE redirection table size. We must also share
+ * ring resources with network traffic so if FCoE TC is
+ * 4 or greater and we are in 8 TC mode we can only use
+ * 7 queues.
+ */
+ if ((tcs > 4) && (tc >= 4) && (f->indices > 7))
+ f->indices = 7;
+
+ f->indices = min_t(int, num_online_cpus(), f->indices);
+ f->mask = tcs;
+
+ adapter->num_rx_queues = f->indices + tcs;
+ adapter->num_tx_queues = f->indices + tcs;
+
+ return true;
+ }
+
+#endif /* IXGBE_FCOE */
+ adapter->num_rx_queues = tcs;
+ adapter->num_tx_queues = tcs;
+#endif /* HAVE_MQ */
+
+ return true;
+}
+
+/**
+ * ixgbe_set_vmdq_queues: Allocate queues for VMDq devices
+ * @adapter: board private structure to initialize
+ *
+ * When VMDq (Virtual Machine Devices queue) is enabled, allocate queues
+ * and VM pools where appropriate. If RSS is available, then also try and
+ * enable RSS and map accordingly.
+ *
+ **/
+static bool ixgbe_set_vmdq_queues(struct ixgbe_adapter *adapter)
+{
+ int vmdq_i = adapter->ring_feature[RING_F_VMDQ].indices;
+ int vmdq_m = 0;
+ int rss_i = adapter->ring_feature[RING_F_RSS].indices;
+ unsigned long i;
+ int rss_shift;
+ bool ret = false;
+
+
+ switch (adapter->flags & (IXGBE_FLAG_RSS_ENABLED
+ | IXGBE_FLAG_DCB_ENABLED
+ | IXGBE_FLAG_VMDQ_ENABLED)) {
+
+ case (IXGBE_FLAG_RSS_ENABLED | IXGBE_FLAG_VMDQ_ENABLED):
+ switch (adapter->hw.mac.type) {
+ case ixgbe_mac_82599EB:
+ case ixgbe_mac_X540:
+ vmdq_i = min((int)IXGBE_MAX_VMDQ_INDICES, vmdq_i);
+ if (vmdq_i > 32)
+ rss_i = 2;
+ else
+ rss_i = 4;
+ i = rss_i;
+ rss_shift = find_first_bit(&i, sizeof(i) * 8);
+ vmdq_m = ((IXGBE_MAX_VMDQ_INDICES - 1) <<
+ rss_shift) & (MAX_RX_QUEUES - 1);
+ break;
+ default:
+ break;
+ }
+ adapter->num_rx_queues = vmdq_i * rss_i;
+ adapter->num_tx_queues = min((int)MAX_TX_QUEUES, vmdq_i * rss_i);
+ ret = true;
+ break;
+
+ case (IXGBE_FLAG_VMDQ_ENABLED):
+ switch (adapter->hw.mac.type) {
+ case ixgbe_mac_82598EB:
+ vmdq_m = (IXGBE_MAX_VMDQ_INDICES - 1);
+ break;
+ case ixgbe_mac_82599EB:
+ case ixgbe_mac_X540:
+ vmdq_m = (IXGBE_MAX_VMDQ_INDICES - 1) << 1;
+ break;
+ default:
+ break;
+ }
+ adapter->num_rx_queues = vmdq_i;
+ adapter->num_tx_queues = vmdq_i;
+ ret = true;
+ break;
+
+ default:
+ ret = false;
+ goto vmdq_queues_out;
+ }
+
+ if (adapter->flags & IXGBE_FLAG_VMDQ_ENABLED) {
+ adapter->num_rx_pools = vmdq_i;
+ adapter->num_rx_queues_per_pool = adapter->num_rx_queues /
+ vmdq_i;
+ } else {
+ adapter->num_rx_pools = adapter->num_rx_queues;
+ adapter->num_rx_queues_per_pool = 1;
+ }
+ /* save the mask for later use */
+ adapter->ring_feature[RING_F_VMDQ].mask = vmdq_m;
+vmdq_queues_out:
+ return ret;
+}
+
+/**
+ * ixgbe_set_rss_queues: Allocate queues for RSS
+ * @adapter: board private structure to initialize
+ *
+ * This is our "base" multiqueue mode. RSS (Receive Side Scaling) will try
+ * to allocate one Rx queue per CPU, and if available, one Tx queue per CPU.
+ *
+ **/
+static bool ixgbe_set_rss_queues(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_ring_feature *f;
+
+ if (!(adapter->flags & IXGBE_FLAG_RSS_ENABLED)) {
+ adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;
+ return false;
+ }
+
+ /* set mask for 16 queue limit of RSS */
+ f = &adapter->ring_feature[RING_F_RSS];
+ f->mask = 0xF;
+
+ /*
+ * Use Flow Director in addition to RSS to ensure the best
+ * distribution of flows across cores, even when an FDIR flow
+ * isn't matched.
+ */
+ if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) {
+ f = &adapter->ring_feature[RING_F_FDIR];
+
+ f->indices = min_t(int, num_online_cpus(), f->indices);
+ f->mask = 0;
+ }
+
+ adapter->num_rx_queues = f->indices;
+#ifdef HAVE_TX_MQ
+ adapter->num_tx_queues = f->indices;
+#endif
+
+ return true;
+}
+
+#ifdef IXGBE_FCOE
+/**
+ * ixgbe_set_fcoe_queues: Allocate queues for Fiber Channel over Ethernet (FCoE)
+ * @adapter: board private structure to initialize
+ *
+ * FCoE RX FCRETA can use up to 8 rx queues for up to 8 different exchanges.
+ * The ring feature mask is not used as a mask for FCoE, as it can take any 8
+ * rx queues out of the max number of rx queues, instead, it is used as the
+ * index of the first rx queue used by FCoE.
+ *
+ **/
+static bool ixgbe_set_fcoe_queues(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_ring_feature *f;
+
+ if (!(adapter->flags & IXGBE_FLAG_FCOE_ENABLED))
+ return false;
+
+ ixgbe_set_rss_queues(adapter);
+
+ f = &adapter->ring_feature[RING_F_FCOE];
+ f->indices = min_t(int, num_online_cpus(), f->indices);
+
+ /* adding FCoE queues */
+ f->mask = adapter->num_rx_queues;
+ adapter->num_rx_queues += f->indices;
+ adapter->num_tx_queues += f->indices;
+
+ return true;
+}
+
+#endif /* IXGBE_FCOE */
+/*
+ * ixgbe_set_num_queues: Allocate queues for device, feature dependent
+ * @adapter: board private structure to initialize
+ *
+ * This is the top level queue allocation routine. The order here is very
+ * important, starting with the "most" number of features turned on at once,
+ * and ending with the smallest set of features. This way large combinations
+ * can be allocated if they're turned on, and smaller combinations are the
+ * fallthrough conditions.
+ *
+ **/
+static void ixgbe_set_num_queues(struct ixgbe_adapter *adapter)
+{
+ /* Start with base case */
+ adapter->num_rx_queues = 1;
+ adapter->num_tx_queues = 1;
+ adapter->num_rx_pools = adapter->num_rx_queues;
+ adapter->num_rx_queues_per_pool = 1;
+
+ if (ixgbe_set_vmdq_queues(adapter))
+ return;
+
+ if (ixgbe_set_dcb_queues(adapter))
+ return;
+
+#ifdef IXGBE_FCOE
+ if (ixgbe_set_fcoe_queues(adapter))
+ return;
+
+#endif /* IXGBE_FCOE */
+ ixgbe_set_rss_queues(adapter);
+}
+
+#endif
+
+
+/**
+ * ixgbe_sw_init - Initialize general software structures (struct ixgbe_adapter)
+ * @adapter: board private structure to initialize
+ *
+ * ixgbe_sw_init initializes the Adapter private data structure.
+ * Fields are initialized based on PCI device information and
+ * OS network device settings (MTU size).
+ **/
+static int ixgbe_sw_init(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ struct pci_dev *pdev = adapter->pdev;
+ int err;
+
+ /* PCI config space info */
+
+ hw->vendor_id = pdev->vendor;
+ hw->device_id = pdev->device;
+ pci_read_config_byte(pdev, PCI_REVISION_ID, &hw->revision_id);
+ hw->subsystem_vendor_id = pdev->subsystem_vendor;
+ hw->subsystem_device_id = pdev->subsystem_device;
+
+ err = ixgbe_init_shared_code(hw);
+ if (err) {
+ e_err(probe, "init_shared_code failed: %d\n", err);
+ goto out;
+ }
+ adapter->mac_table = kzalloc(sizeof(struct ixgbe_mac_addr) *
+ hw->mac.num_rar_entries,
+ GFP_ATOMIC);
+ /* Set capability flags */
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB:
+ adapter->flags |= IXGBE_FLAG_MSI_CAPABLE |
+ IXGBE_FLAG_MSIX_CAPABLE |
+ IXGBE_FLAG_MQ_CAPABLE |
+ IXGBE_FLAG_RSS_CAPABLE;
+ adapter->flags |= IXGBE_FLAG_DCB_CAPABLE;
+#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+ adapter->flags |= IXGBE_FLAG_DCA_CAPABLE;
+#endif
+ adapter->flags &= ~IXGBE_FLAG_SRIOV_CAPABLE;
+ adapter->flags2 &= ~IXGBE_FLAG2_RSC_CAPABLE;
+
+ if (hw->device_id == IXGBE_DEV_ID_82598AT)
+ adapter->flags |= IXGBE_FLAG_FAN_FAIL_CAPABLE;
+
+ adapter->max_msix_q_vectors = IXGBE_MAX_MSIX_Q_VECTORS_82598;
+ break;
+ case ixgbe_mac_X540:
+ adapter->flags2 |= IXGBE_FLAG2_TEMP_SENSOR_CAPABLE;
+ case ixgbe_mac_82599EB:
+ adapter->flags |= IXGBE_FLAG_MSI_CAPABLE |
+ IXGBE_FLAG_MSIX_CAPABLE |
+ IXGBE_FLAG_MQ_CAPABLE |
+ IXGBE_FLAG_RSS_CAPABLE;
+ adapter->flags |= IXGBE_FLAG_DCB_CAPABLE;
+#if defined(CONFIG_DCA) || defined(CONFIG_DCA_MODULE)
+ adapter->flags |= IXGBE_FLAG_DCA_CAPABLE;
+#endif
+ adapter->flags |= IXGBE_FLAG_SRIOV_CAPABLE;
+ adapter->flags2 |= IXGBE_FLAG2_RSC_CAPABLE;
+#ifdef IXGBE_FCOE
+ adapter->flags |= IXGBE_FLAG_FCOE_CAPABLE;
+ adapter->flags &= ~IXGBE_FLAG_FCOE_ENABLED;
+ adapter->ring_feature[RING_F_FCOE].indices = 0;
+#ifdef CONFIG_DCB
+ /* Default traffic class to use for FCoE */
+ adapter->fcoe.tc = IXGBE_FCOE_DEFTC;
+ adapter->fcoe.up = IXGBE_FCOE_DEFTC;
+ adapter->fcoe.up_set = IXGBE_FCOE_DEFTC;
+#endif
+#endif
+ if (hw->device_id == IXGBE_DEV_ID_82599_T3_LOM)
+ adapter->flags2 |= IXGBE_FLAG2_TEMP_SENSOR_CAPABLE;
+#ifndef IXGBE_NO_SMART_SPEED
+ hw->phy.smart_speed = ixgbe_smart_speed_on;
+#else
+ hw->phy.smart_speed = ixgbe_smart_speed_off;
+#endif
+ adapter->max_msix_q_vectors = IXGBE_MAX_MSIX_Q_VECTORS_82599;
+ default:
+ break;
+ }
+
+ /* n-tuple support exists, always init our spinlock */
+ //spin_lock_init(&adapter->fdir_perfect_lock);
+
+ if (adapter->flags & IXGBE_FLAG_DCB_CAPABLE) {
+ int j;
+ struct ixgbe_dcb_tc_config *tc;
+ int dcb_i = IXGBE_DCB_MAX_TRAFFIC_CLASS;
+
+
+ adapter->dcb_cfg.num_tcs.pg_tcs = dcb_i;
+ adapter->dcb_cfg.num_tcs.pfc_tcs = dcb_i;
+ for (j = 0; j < dcb_i; j++) {
+ tc = &adapter->dcb_cfg.tc_config[j];
+ tc->path[IXGBE_DCB_TX_CONFIG].bwg_id = 0;
+ tc->path[IXGBE_DCB_TX_CONFIG].bwg_percent = 100 / dcb_i;
+ tc->path[IXGBE_DCB_RX_CONFIG].bwg_id = 0;
+ tc->path[IXGBE_DCB_RX_CONFIG].bwg_percent = 100 / dcb_i;
+ tc->pfc = ixgbe_dcb_pfc_disabled;
+ if (j == 0) {
+ /* total of all TCs bandwidth needs to be 100 */
+ tc->path[IXGBE_DCB_TX_CONFIG].bwg_percent +=
+ 100 % dcb_i;
+ tc->path[IXGBE_DCB_RX_CONFIG].bwg_percent +=
+ 100 % dcb_i;
+ }
+ }
+
+ /* Initialize default user to priority mapping, UPx->TC0 */
+ tc = &adapter->dcb_cfg.tc_config[0];
+ tc->path[IXGBE_DCB_TX_CONFIG].up_to_tc_bitmap = 0xFF;
+ tc->path[IXGBE_DCB_RX_CONFIG].up_to_tc_bitmap = 0xFF;
+
+ adapter->dcb_cfg.bw_percentage[IXGBE_DCB_TX_CONFIG][0] = 100;
+ adapter->dcb_cfg.bw_percentage[IXGBE_DCB_RX_CONFIG][0] = 100;
+ adapter->dcb_cfg.rx_pba_cfg = ixgbe_dcb_pba_equal;
+ adapter->dcb_cfg.pfc_mode_enable = false;
+ adapter->dcb_cfg.round_robin_enable = false;
+ adapter->dcb_set_bitmap = 0x00;
+#ifdef CONFIG_DCB
+ adapter->dcbx_cap = DCB_CAP_DCBX_HOST | DCB_CAP_DCBX_VER_CEE;
+#endif /* CONFIG_DCB */
+
+ if (hw->mac.type == ixgbe_mac_X540) {
+ adapter->dcb_cfg.num_tcs.pg_tcs = 4;
+ adapter->dcb_cfg.num_tcs.pfc_tcs = 4;
+ }
+ }
+#ifdef CONFIG_DCB
+ /* XXX does this need to be initialized even w/o DCB? */
+ //memcpy(&adapter->temp_dcb_cfg, &adapter->dcb_cfg,
+ // sizeof(adapter->temp_dcb_cfg));
+
+#endif
+ //if (hw->mac.type == ixgbe_mac_82599EB ||
+ // hw->mac.type == ixgbe_mac_X540)
+ // hw->mbx.ops.init_params(hw);
+
+ /* default flow control settings */
+ hw->fc.requested_mode = ixgbe_fc_full;
+ hw->fc.current_mode = ixgbe_fc_full; /* init for ethtool output */
+
+ adapter->last_lfc_mode = hw->fc.current_mode;
+ ixgbe_pbthresh_setup(adapter);
+ hw->fc.pause_time = IXGBE_DEFAULT_FCPAUSE;
+ hw->fc.send_xon = true;
+ hw->fc.disable_fc_autoneg = false;
+
+ /* set default ring sizes */
+ adapter->tx_ring_count = IXGBE_DEFAULT_TXD;
+ adapter->rx_ring_count = IXGBE_DEFAULT_RXD;
+
+ /* set default work limits */
+ adapter->tx_work_limit = IXGBE_DEFAULT_TX_WORK;
+ adapter->rx_work_limit = IXGBE_DEFAULT_RX_WORK;
+
+ set_bit(__IXGBE_DOWN, &adapter->state);
+out:
+ return err;
+}
+
+/**
+ * ixgbe_setup_tx_resources - allocate Tx resources (Descriptors)
+ * @tx_ring: tx descriptor ring (for a specific queue) to setup
+ *
+ * Return 0 on success, negative on failure
+ **/
+int ixgbe_setup_tx_resources(struct ixgbe_ring *tx_ring)
+{
+ struct device *dev = tx_ring->dev;
+ //int orig_node = dev_to_node(dev);
+ int numa_node = -1;
+ int size;
+
+ size = sizeof(struct ixgbe_tx_buffer) * tx_ring->count;
+
+ if (tx_ring->q_vector)
+ numa_node = tx_ring->q_vector->numa_node;
+
+ tx_ring->tx_buffer_info = vzalloc_node(size, numa_node);
+ if (!tx_ring->tx_buffer_info)
+ tx_ring->tx_buffer_info = vzalloc(size);
+ if (!tx_ring->tx_buffer_info)
+ goto err;
+
+ /* round up to nearest 4K */
+ tx_ring->size = tx_ring->count * sizeof(union ixgbe_adv_tx_desc);
+ tx_ring->size = ALIGN(tx_ring->size, 4096);
+
+ //set_dev_node(dev, numa_node);
+ //tx_ring->desc = dma_alloc_coherent(dev,
+ // tx_ring->size,
+ // &tx_ring->dma,
+ // GFP_KERNEL);
+ //set_dev_node(dev, orig_node);
+ //if (!tx_ring->desc)
+ // tx_ring->desc = dma_alloc_coherent(dev, tx_ring->size,
+ // &tx_ring->dma, GFP_KERNEL);
+ //if (!tx_ring->desc)
+ // goto err;
+
+ return 0;
+
+err:
+ vfree(tx_ring->tx_buffer_info);
+ tx_ring->tx_buffer_info = NULL;
+ dev_err(dev, "Unable to allocate memory for the Tx descriptor ring\n");
+ return -ENOMEM;
+}
+
+/**
+ * ixgbe_setup_all_tx_resources - allocate all queues Tx resources
+ * @adapter: board private structure
+ *
+ * If this function returns with an error, then it's possible one or
+ * more of the rings is populated (while the rest are not). It is the
+ * callers duty to clean those orphaned rings.
+ *
+ * Return 0 on success, negative on failure
+ **/
+static int ixgbe_setup_all_tx_resources(struct ixgbe_adapter *adapter)
+{
+ int i, err = 0;
+
+ for (i = 0; i < adapter->num_tx_queues; i++) {
+ err = ixgbe_setup_tx_resources(adapter->tx_ring[i]);
+ if (!err)
+ continue;
+ e_err(probe, "Allocation for Tx Queue %u failed\n", i);
+ break;
+ }
+
+ return err;
+}
+
+/**
+ * ixgbe_setup_rx_resources - allocate Rx resources (Descriptors)
+ * @rx_ring: rx descriptor ring (for a specific queue) to setup
+ *
+ * Returns 0 on success, negative on failure
+ **/
+int ixgbe_setup_rx_resources(struct ixgbe_ring *rx_ring)
+{
+ struct device *dev = rx_ring->dev;
+ //int orig_node = dev_to_node(dev);
+ int numa_node = -1;
+ int size;
+
+ size = sizeof(struct ixgbe_rx_buffer) * rx_ring->count;
+
+ if (rx_ring->q_vector)
+ numa_node = rx_ring->q_vector->numa_node;
+
+ rx_ring->rx_buffer_info = vzalloc_node(size, numa_node);
+ if (!rx_ring->rx_buffer_info)
+ rx_ring->rx_buffer_info = vzalloc(size);
+ if (!rx_ring->rx_buffer_info)
+ goto err;
+
+ /* Round up to nearest 4K */
+ rx_ring->size = rx_ring->count * sizeof(union ixgbe_adv_rx_desc);
+ rx_ring->size = ALIGN(rx_ring->size, 4096);
+
+#ifdef NO_VNIC
+ set_dev_node(dev, numa_node);
+ rx_ring->desc = dma_alloc_coherent(dev,
+ rx_ring->size,
+ &rx_ring->dma,
+ GFP_KERNEL);
+ set_dev_node(dev, orig_node);
+ if (!rx_ring->desc)
+ rx_ring->desc = dma_alloc_coherent(dev, rx_ring->size,
+ &rx_ring->dma, GFP_KERNEL);
+ if (!rx_ring->desc)
+ goto err;
+
+#ifndef CONFIG_IXGBE_DISABLE_PACKET_SPLIT
+ ixgbe_init_rx_page_offset(rx_ring);
+
+#endif
+
+#endif /* NO_VNIC */
+ return 0;
+err:
+ vfree(rx_ring->rx_buffer_info);
+ rx_ring->rx_buffer_info = NULL;
+ dev_err(dev, "Unable to allocate memory for the Rx descriptor ring\n");
+ return -ENOMEM;
+}
+
+/**
+ * ixgbe_setup_all_rx_resources - allocate all queues Rx resources
+ * @adapter: board private structure
+ *
+ * If this function returns with an error, then it's possible one or
+ * more of the rings is populated (while the rest are not). It is the
+ * callers duty to clean those orphaned rings.
+ *
+ * Return 0 on success, negative on failure
+ **/
+static int ixgbe_setup_all_rx_resources(struct ixgbe_adapter *adapter)
+{
+ int i, err = 0;
+
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+ err = ixgbe_setup_rx_resources(adapter->rx_ring[i]);
+ if (!err)
+ continue;
+ e_err(probe, "Allocation for Rx Queue %u failed\n", i);
+ break;
+ }
+
+ return err;
+}
+
+/**
+ * ixgbe_free_tx_resources - Free Tx Resources per Queue
+ * @tx_ring: Tx descriptor ring for a specific queue
+ *
+ * Free all transmit software resources
+ **/
+void ixgbe_free_tx_resources(struct ixgbe_ring *tx_ring)
+{
+ //ixgbe_clean_tx_ring(tx_ring);
+
+ vfree(tx_ring->tx_buffer_info);
+ tx_ring->tx_buffer_info = NULL;
+
+ /* if not set, then don't free */
+ if (!tx_ring->desc)
+ return;
+
+ //dma_free_coherent(tx_ring->dev, tx_ring->size,
+ // tx_ring->desc, tx_ring->dma);
+
+ tx_ring->desc = NULL;
+}
+
+/**
+ * ixgbe_free_all_tx_resources - Free Tx Resources for All Queues
+ * @adapter: board private structure
+ *
+ * Free all transmit software resources
+ **/
+static void ixgbe_free_all_tx_resources(struct ixgbe_adapter *adapter)
+{
+ int i;
+
+ for (i = 0; i < adapter->num_tx_queues; i++)
+ if (adapter->tx_ring[i]->desc)
+ ixgbe_free_tx_resources(adapter->tx_ring[i]);
+}
+
+/**
+ * ixgbe_free_rx_resources - Free Rx Resources
+ * @rx_ring: ring to clean the resources from
+ *
+ * Free all receive software resources
+ **/
+void ixgbe_free_rx_resources(struct ixgbe_ring *rx_ring)
+{
+ //ixgbe_clean_rx_ring(rx_ring);
+
+ vfree(rx_ring->rx_buffer_info);
+ rx_ring->rx_buffer_info = NULL;
+
+ /* if not set, then don't free */
+ if (!rx_ring->desc)
+ return;
+
+ //dma_free_coherent(rx_ring->dev, rx_ring->size,
+ // rx_ring->desc, rx_ring->dma);
+
+ rx_ring->desc = NULL;
+}
+
+/**
+ * ixgbe_free_all_rx_resources - Free Rx Resources for All Queues
+ * @adapter: board private structure
+ *
+ * Free all receive software resources
+ **/
+static void ixgbe_free_all_rx_resources(struct ixgbe_adapter *adapter)
+{
+ int i;
+
+ for (i = 0; i < adapter->num_rx_queues; i++)
+ if (adapter->rx_ring[i]->desc)
+ ixgbe_free_rx_resources(adapter->rx_ring[i]);
+}
+
+
+/**
+ * ixgbe_open - Called when a network interface is made active
+ * @netdev: network interface device structure
+ *
+ * Returns 0 on success, negative value on failure
+ *
+ * The open entry point is called when a network interface is made
+ * active by the system (IFF_UP). At this point all resources needed
+ * for transmit and receive operations are allocated, the interrupt
+ * handler is registered with the OS, the watchdog timer is started,
+ * and the stack is notified that the interface is ready.
+ **/
+//static
+int ixgbe_open(struct net_device *netdev)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ int err;
+
+ /* disallow open during test */
+ if (test_bit(__IXGBE_TESTING, &adapter->state))
+ return -EBUSY;
+
+ netif_carrier_off(netdev);
+
+ /* allocate transmit descriptors */
+ err = ixgbe_setup_all_tx_resources(adapter);
+ if (err)
+ goto err_setup_tx;
+
+ /* allocate receive descriptors */
+ err = ixgbe_setup_all_rx_resources(adapter);
+ if (err)
+ goto err_setup_rx;
+
+#ifdef NO_VNIC
+ ixgbe_configure(adapter);
+
+ err = ixgbe_request_irq(adapter);
+ if (err)
+ goto err_req_irq;
+
+ ixgbe_up_complete(adapter);
+
+err_req_irq:
+#else
+ return 0;
+#endif
+err_setup_rx:
+ ixgbe_free_all_rx_resources(adapter);
+err_setup_tx:
+ ixgbe_free_all_tx_resources(adapter);
+ ixgbe_reset(adapter);
+
+ return err;
+}
+
+/**
+ * ixgbe_close - Disables a network interface
+ * @netdev: network interface device structure
+ *
+ * Returns 0, this is not allowed to fail
+ *
+ * The close entry point is called when an interface is de-activated
+ * by the OS. The hardware is still under the drivers control, but
+ * needs to be disabled. A global MAC reset is issued to stop the
+ * hardware, and all transmit and receive resources are freed.
+ **/
+//static
+int ixgbe_close(struct net_device *netdev)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+ //ixgbe_down(adapter);
+ //ixgbe_free_irq(adapter);
+
+ //ixgbe_fdir_filter_exit(adapter);
+
+ //ixgbe_free_all_tx_resources(adapter);
+ //ixgbe_free_all_rx_resources(adapter);
+
+ ixgbe_release_hw_control(adapter);
+
+ return 0;
+}
+
+
+
+
+
+/**
+ * ixgbe_get_stats - Get System Network Statistics
+ * @netdev: network interface device structure
+ *
+ * Returns the address of the device statistics structure.
+ * The statistics are actually updated from the timer callback.
+ **/
+//static
+struct net_device_stats *ixgbe_get_stats(struct net_device *netdev)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+ /* update the stats data */
+ ixgbe_update_stats(adapter);
+
+#ifdef HAVE_NETDEV_STATS_IN_NETDEV
+ /* only return the current stats */
+ return &netdev->stats;
+#else
+ /* only return the current stats */
+ return &adapter->net_stats;
+#endif /* HAVE_NETDEV_STATS_IN_NETDEV */
+}
+
+/**
+ * ixgbe_update_stats - Update the board statistics counters.
+ * @adapter: board private structure
+ **/
+void ixgbe_update_stats(struct ixgbe_adapter *adapter)
+{
+#ifdef HAVE_NETDEV_STATS_IN_NETDEV
+ struct net_device_stats *net_stats = &adapter->netdev->stats;
+#else
+ struct net_device_stats *net_stats = &adapter->net_stats;
+#endif /* HAVE_NETDEV_STATS_IN_NETDEV */
+ struct ixgbe_hw *hw = &adapter->hw;
+ struct ixgbe_hw_stats *hwstats = &adapter->stats;
+ u64 total_mpc = 0;
+ u32 i, missed_rx = 0, mpc, bprc, lxon, lxoff, xon_off_tot;
+ u64 non_eop_descs = 0, restart_queue = 0, tx_busy = 0;
+ u64 alloc_rx_page_failed = 0, alloc_rx_buff_failed = 0;
+ u64 bytes = 0, packets = 0, hw_csum_rx_error = 0;
+#ifndef IXGBE_NO_LRO
+ u32 flushed = 0, coal = 0;
+ int num_q_vectors = 1;
+#endif
+#ifdef IXGBE_FCOE
+ struct ixgbe_fcoe *fcoe = &adapter->fcoe;
+ unsigned int cpu;
+ u64 fcoe_noddp_counts_sum = 0, fcoe_noddp_ext_buff_counts_sum = 0;
+#endif /* IXGBE_FCOE */
+
+ printk(KERN_DEBUG "ixgbe_update_stats, tx_queues=%d, rx_queues=%d\n",
+ adapter->num_tx_queues, adapter->num_rx_queues);
+
+ if (test_bit(__IXGBE_DOWN, &adapter->state) ||
+ test_bit(__IXGBE_RESETTING, &adapter->state))
+ return;
+
+#ifndef IXGBE_NO_LRO
+ if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED)
+ num_q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
+
+#endif
+ if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
+ u64 rsc_count = 0;
+ u64 rsc_flush = 0;
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+ rsc_count += adapter->rx_ring[i]->rx_stats.rsc_count;
+ rsc_flush += adapter->rx_ring[i]->rx_stats.rsc_flush;
+ }
+ adapter->rsc_total_count = rsc_count;
+ adapter->rsc_total_flush = rsc_flush;
+ }
+
+#ifndef IXGBE_NO_LRO
+ for (i = 0; i < num_q_vectors; i++) {
+ struct ixgbe_q_vector *q_vector = adapter->q_vector[i];
+ if (!q_vector)
+ continue;
+ flushed += q_vector->lrolist.stats.flushed;
+ coal += q_vector->lrolist.stats.coal;
+ }
+ adapter->lro_stats.flushed = flushed;
+ adapter->lro_stats.coal = coal;
+
+#endif
+ for (i = 0; i < adapter->num_rx_queues; i++) {
+ struct ixgbe_ring *rx_ring = adapter->rx_ring[i];
+ non_eop_descs += rx_ring->rx_stats.non_eop_descs;
+ alloc_rx_page_failed += rx_ring->rx_stats.alloc_rx_page_failed;
+ alloc_rx_buff_failed += rx_ring->rx_stats.alloc_rx_buff_failed;
+ hw_csum_rx_error += rx_ring->rx_stats.csum_err;
+ bytes += rx_ring->stats.bytes;
+ packets += rx_ring->stats.packets;
+
+ }
+ adapter->non_eop_descs = non_eop_descs;
+ adapter->alloc_rx_page_failed = alloc_rx_page_failed;
+ adapter->alloc_rx_buff_failed = alloc_rx_buff_failed;
+ adapter->hw_csum_rx_error = hw_csum_rx_error;
+ net_stats->rx_bytes = bytes;
+ net_stats->rx_packets = packets;
+
+ bytes = 0;
+ packets = 0;
+ /* gather some stats to the adapter struct that are per queue */
+ for (i = 0; i < adapter->num_tx_queues; i++) {
+ struct ixgbe_ring *tx_ring = adapter->tx_ring[i];
+ restart_queue += tx_ring->tx_stats.restart_queue;
+ tx_busy += tx_ring->tx_stats.tx_busy;
+ bytes += tx_ring->stats.bytes;
+ packets += tx_ring->stats.packets;
+ }
+ adapter->restart_queue = restart_queue;
+ adapter->tx_busy = tx_busy;
+ net_stats->tx_bytes = bytes;
+ net_stats->tx_packets = packets;
+
+ hwstats->crcerrs += IXGBE_READ_REG(hw, IXGBE_CRCERRS);
+
+ /* 8 register reads */
+ for (i = 0; i < 8; i++) {
+ /* for packet buffers not used, the register should read 0 */
+ mpc = IXGBE_READ_REG(hw, IXGBE_MPC(i));
+ missed_rx += mpc;
+ hwstats->mpc[i] += mpc;
+ total_mpc += hwstats->mpc[i];
+ hwstats->pxontxc[i] += IXGBE_READ_REG(hw, IXGBE_PXONTXC(i));
+ hwstats->pxofftxc[i] += IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i));
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB:
+ hwstats->rnbc[i] += IXGBE_READ_REG(hw, IXGBE_RNBC(i));
+ hwstats->qbtc[i] += IXGBE_READ_REG(hw, IXGBE_QBTC(i));
+ hwstats->qbrc[i] += IXGBE_READ_REG(hw, IXGBE_QBRC(i));
+ hwstats->pxonrxc[i] +=
+ IXGBE_READ_REG(hw, IXGBE_PXONRXC(i));
+ break;
+ case ixgbe_mac_82599EB:
+ case ixgbe_mac_X540:
+ hwstats->pxonrxc[i] +=
+ IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i));
+ break;
+ default:
+ break;
+ }
+ }
+
+ /*16 register reads */
+ for (i = 0; i < 16; i++) {
+ hwstats->qptc[i] += IXGBE_READ_REG(hw, IXGBE_QPTC(i));
+ hwstats->qprc[i] += IXGBE_READ_REG(hw, IXGBE_QPRC(i));
+ if ((hw->mac.type == ixgbe_mac_82599EB) ||
+ (hw->mac.type == ixgbe_mac_X540)) {
+ hwstats->qbtc[i] += IXGBE_READ_REG(hw, IXGBE_QBTC_L(i));
+ IXGBE_READ_REG(hw, IXGBE_QBTC_H(i)); /* to clear */
+ hwstats->qbrc[i] += IXGBE_READ_REG(hw, IXGBE_QBRC_L(i));
+ IXGBE_READ_REG(hw, IXGBE_QBRC_H(i)); /* to clear */
+ }
+ }
+
+ hwstats->gprc += IXGBE_READ_REG(hw, IXGBE_GPRC);
+ /* work around hardware counting issue */
+ hwstats->gprc -= missed_rx;
+
+ ixgbe_update_xoff_received(adapter);
+
+ /* 82598 hardware only has a 32 bit counter in the high register */
+ switch (hw->mac.type) {
+ case ixgbe_mac_82598EB:
+ hwstats->lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXC);
+ hwstats->gorc += IXGBE_READ_REG(hw, IXGBE_GORCH);
+ hwstats->gotc += IXGBE_READ_REG(hw, IXGBE_GOTCH);
+ hwstats->tor += IXGBE_READ_REG(hw, IXGBE_TORH);
+ break;
+ case ixgbe_mac_X540:
+ /* OS2BMC stats are X540 only*/
+ hwstats->o2bgptc += IXGBE_READ_REG(hw, IXGBE_O2BGPTC);
+ hwstats->o2bspc += IXGBE_READ_REG(hw, IXGBE_O2BSPC);
+ hwstats->b2ospc += IXGBE_READ_REG(hw, IXGBE_B2OSPC);
+ hwstats->b2ogprc += IXGBE_READ_REG(hw, IXGBE_B2OGPRC);
+ case ixgbe_mac_82599EB:
+ for (i = 0; i < 16; i++)
+ adapter->hw_rx_no_dma_resources +=
+ IXGBE_READ_REG(hw, IXGBE_QPRDC(i));
+ hwstats->gorc += IXGBE_READ_REG(hw, IXGBE_GORCL);
+ IXGBE_READ_REG(hw, IXGBE_GORCH); /* to clear */
+ hwstats->gotc += IXGBE_READ_REG(hw, IXGBE_GOTCL);
+ IXGBE_READ_REG(hw, IXGBE_GOTCH); /* to clear */
+ hwstats->tor += IXGBE_READ_REG(hw, IXGBE_TORL);
+ IXGBE_READ_REG(hw, IXGBE_TORH); /* to clear */
+ hwstats->lxonrxc += IXGBE_READ_REG(hw, IXGBE_LXONRXCNT);
+#ifdef HAVE_TX_MQ
+ hwstats->fdirmatch += IXGBE_READ_REG(hw, IXGBE_FDIRMATCH);
+ hwstats->fdirmiss += IXGBE_READ_REG(hw, IXGBE_FDIRMISS);
+#endif /* HAVE_TX_MQ */
+#ifdef IXGBE_FCOE
+ hwstats->fccrc += IXGBE_READ_REG(hw, IXGBE_FCCRC);
+ hwstats->fclast += IXGBE_READ_REG(hw, IXGBE_FCLAST);
+ hwstats->fcoerpdc += IXGBE_READ_REG(hw, IXGBE_FCOERPDC);
+ hwstats->fcoeprc += IXGBE_READ_REG(hw, IXGBE_FCOEPRC);
+ hwstats->fcoeptc += IXGBE_READ_REG(hw, IXGBE_FCOEPTC);
+ hwstats->fcoedwrc += IXGBE_READ_REG(hw, IXGBE_FCOEDWRC);
+ hwstats->fcoedwtc += IXGBE_READ_REG(hw, IXGBE_FCOEDWTC);
+ /* Add up per cpu counters for total ddp aloc fail */
+ if (fcoe && fcoe->pcpu_noddp && fcoe->pcpu_noddp_ext_buff) {
+ for_each_possible_cpu(cpu) {
+ fcoe_noddp_counts_sum +=
+ *per_cpu_ptr(fcoe->pcpu_noddp, cpu);
+ fcoe_noddp_ext_buff_counts_sum +=
+ *per_cpu_ptr(fcoe->
+ pcpu_noddp_ext_buff, cpu);
+ }
+ }
+ hwstats->fcoe_noddp = fcoe_noddp_counts_sum;
+ hwstats->fcoe_noddp_ext_buff = fcoe_noddp_ext_buff_counts_sum;
+
+#endif /* IXGBE_FCOE */
+ break;
+ default:
+ break;
+ }
+ bprc = IXGBE_READ_REG(hw, IXGBE_BPRC);
+ hwstats->bprc += bprc;
+ hwstats->mprc += IXGBE_READ_REG(hw, IXGBE_MPRC);
+ if (hw->mac.type == ixgbe_mac_82598EB)
+ hwstats->mprc -= bprc;
+ hwstats->roc += IXGBE_READ_REG(hw, IXGBE_ROC);
+ hwstats->prc64 += IXGBE_READ_REG(hw, IXGBE_PRC64);
+ hwstats->prc127 += IXGBE_READ_REG(hw, IXGBE_PRC127);
+ hwstats->prc255 += IXGBE_READ_REG(hw, IXGBE_PRC255);
+ hwstats->prc511 += IXGBE_READ_REG(hw, IXGBE_PRC511);
+ hwstats->prc1023 += IXGBE_READ_REG(hw, IXGBE_PRC1023);
+ hwstats->prc1522 += IXGBE_READ_REG(hw, IXGBE_PRC1522);
+ hwstats->rlec += IXGBE_READ_REG(hw, IXGBE_RLEC);
+ lxon = IXGBE_READ_REG(hw, IXGBE_LXONTXC);
+ hwstats->lxontxc += lxon;
+ lxoff = IXGBE_READ_REG(hw, IXGBE_LXOFFTXC);
+ hwstats->lxofftxc += lxoff;
+ hwstats->gptc += IXGBE_READ_REG(hw, IXGBE_GPTC);
+ hwstats->mptc += IXGBE_READ_REG(hw, IXGBE_MPTC);
+ /*
+ * 82598 errata - tx of flow control packets is included in tx counters
+ */
+ xon_off_tot = lxon + lxoff;
+ hwstats->gptc -= xon_off_tot;
+ hwstats->mptc -= xon_off_tot;
+ hwstats->gotc -= (xon_off_tot * (ETH_ZLEN + ETH_FCS_LEN));
+ hwstats->ruc += IXGBE_READ_REG(hw, IXGBE_RUC);
+ hwstats->rfc += IXGBE_READ_REG(hw, IXGBE_RFC);
+ hwstats->rjc += IXGBE_READ_REG(hw, IXGBE_RJC);
+ hwstats->tpr += IXGBE_READ_REG(hw, IXGBE_TPR);
+ hwstats->ptc64 += IXGBE_READ_REG(hw, IXGBE_PTC64);
+ hwstats->ptc64 -= xon_off_tot;
+ hwstats->ptc127 += IXGBE_READ_REG(hw, IXGBE_PTC127);
+ hwstats->ptc255 += IXGBE_READ_REG(hw, IXGBE_PTC255);
+ hwstats->ptc511 += IXGBE_READ_REG(hw, IXGBE_PTC511);
+ hwstats->ptc1023 += IXGBE_READ_REG(hw, IXGBE_PTC1023);
+ hwstats->ptc1522 += IXGBE_READ_REG(hw, IXGBE_PTC1522);
+ hwstats->bptc += IXGBE_READ_REG(hw, IXGBE_BPTC);
+ /* Fill out the OS statistics structure */
+ net_stats->multicast = hwstats->mprc;
+
+ /* Rx Errors */
+ net_stats->rx_errors = hwstats->crcerrs +
+ hwstats->rlec;
+ net_stats->rx_dropped = 0;
+ net_stats->rx_length_errors = hwstats->rlec;
+ net_stats->rx_crc_errors = hwstats->crcerrs;
+ net_stats->rx_missed_errors = total_mpc;
+
+ /*
+ * VF Stats Collection - skip while resetting because these
+ * are not clear on read and otherwise you'll sometimes get
+ * crazy values.
+ */
+ if (!test_bit(__IXGBE_RESETTING, &adapter->state)) {
+ for (i = 0; i < adapter->num_vfs; i++) {
+ UPDATE_VF_COUNTER_32bit(IXGBE_PVFGPRC(i), \
+ adapter->vfinfo[i].last_vfstats.gprc, \
+ adapter->vfinfo[i].vfstats.gprc);
+ UPDATE_VF_COUNTER_32bit(IXGBE_PVFGPTC(i), \
+ adapter->vfinfo[i].last_vfstats.gptc, \
+ adapter->vfinfo[i].vfstats.gptc);
+ UPDATE_VF_COUNTER_36bit(IXGBE_PVFGORC_LSB(i), \
+ IXGBE_PVFGORC_MSB(i), \
+ adapter->vfinfo[i].last_vfstats.gorc, \
+ adapter->vfinfo[i].vfstats.gorc);
+ UPDATE_VF_COUNTER_36bit(IXGBE_PVFGOTC_LSB(i), \
+ IXGBE_PVFGOTC_MSB(i), \
+ adapter->vfinfo[i].last_vfstats.gotc, \
+ adapter->vfinfo[i].vfstats.gotc);
+ UPDATE_VF_COUNTER_32bit(IXGBE_PVFMPRC(i), \
+ adapter->vfinfo[i].last_vfstats.mprc, \
+ adapter->vfinfo[i].vfstats.mprc);
+ }
+ }
+}
+
+
+#ifdef NO_VNIC
+
+/**
+ * ixgbe_watchdog_update_link - update the link status
+ * @adapter - pointer to the device adapter structure
+ * @link_speed - pointer to a u32 to store the link_speed
+ **/
+static void ixgbe_watchdog_update_link(struct ixgbe_adapter *adapter)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 link_speed = adapter->link_speed;
+ bool link_up = adapter->link_up;
+ bool pfc_en = adapter->dcb_cfg.pfc_mode_enable;
+
+ if (!(adapter->flags & IXGBE_FLAG_NEED_LINK_UPDATE))
+ return;
+
+ if (hw->mac.ops.check_link) {
+ hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
+ } else {
+ /* always assume link is up, if no check link function */
+ link_speed = IXGBE_LINK_SPEED_10GB_FULL;
+ link_up = true;
+ }
+
+#ifdef HAVE_DCBNL_IEEE
+ if (adapter->ixgbe_ieee_pfc)
+ pfc_en |= !!(adapter->ixgbe_ieee_pfc->pfc_en);
+
+#endif
+ if (link_up && !((adapter->flags & IXGBE_FLAG_DCB_ENABLED) && pfc_en)) {
+ hw->mac.ops.fc_enable(hw);
+ //ixgbe_set_rx_drop_en(adapter);
+ }
+
+ if (link_up ||
+ time_after(jiffies, (adapter->link_check_timeout +
+ IXGBE_TRY_LINK_TIMEOUT))) {
+ adapter->flags &= ~IXGBE_FLAG_NEED_LINK_UPDATE;
+ IXGBE_WRITE_REG(hw, IXGBE_EIMS, IXGBE_EIMC_LSC);
+ IXGBE_WRITE_FLUSH(hw);
+ }
+
+ adapter->link_up = link_up;
+ adapter->link_speed = link_speed;
+}
+#endif
+
+
+
+#ifdef NO_VNIC
+
+/**
+ * ixgbe_service_task - manages and runs subtasks
+ * @work: pointer to work_struct containing our data
+ **/
+static void ixgbe_service_task(struct work_struct *work)
+{
+ //struct ixgbe_adapter *adapter = container_of(work,
+ // struct ixgbe_adapter,
+ // service_task);
+
+ //ixgbe_reset_subtask(adapter);
+ //ixgbe_sfp_detection_subtask(adapter);
+ //ixgbe_sfp_link_config_subtask(adapter);
+ //ixgbe_check_overtemp_subtask(adapter);
+ //ixgbe_watchdog_subtask(adapter);
+#ifdef HAVE_TX_MQ
+ //ixgbe_fdir_reinit_subtask(adapter);
+#endif
+ //ixgbe_check_hang_subtask(adapter);
+
+ //ixgbe_service_event_complete(adapter);
+}
+
+
+
+
+#define IXGBE_TXD_CMD (IXGBE_TXD_CMD_EOP | \
+ IXGBE_TXD_CMD_RS)
+
+
+/**
+ * ixgbe_set_mac - Change the Ethernet Address of the NIC
+ * @netdev: network interface device structure
+ * @p: pointer to an address structure
+ *
+ * Returns 0 on success, negative on failure
+ **/
+static int ixgbe_set_mac(struct net_device *netdev, void *p)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ struct ixgbe_hw *hw = &adapter->hw;
+ struct sockaddr *addr = p;
+ int ret;
+
+ if (!is_valid_ether_addr(addr->sa_data))
+ return -EADDRNOTAVAIL;
+
+ ixgbe_del_mac_filter(adapter, hw->mac.addr,
+ adapter->num_vfs);
+ memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
+ memcpy(hw->mac.addr, addr->sa_data, netdev->addr_len);
+
+
+ /* set the correct pool for the new PF MAC address in entry 0 */
+ ret = ixgbe_add_mac_filter(adapter, hw->mac.addr,
+ adapter->num_vfs);
+ return ret > 0 ? 0 : ret;
+}
+
+
+/**
+ * ixgbe_ioctl -
+ * @netdev:
+ * @ifreq:
+ * @cmd:
+ **/
+static int ixgbe_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd)
+{
+ switch (cmd) {
+#ifdef ETHTOOL_OPS_COMPAT
+ case SIOCETHTOOL:
+ return ethtool_ioctl(ifr);
+#endif
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+#endif /* NO_VNIC */
+
+
+void ixgbe_do_reset(struct net_device *netdev)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+
+ if (netif_running(netdev))
+ ixgbe_reinit_locked(adapter);
+ else
+ ixgbe_reset(adapter);
+}
+
+
+
+
+
+
+/**
+ * ixgbe_probe - Device Initialization Routine
+ * @pdev: PCI device information struct
+ * @ent: entry in ixgbe_pci_tbl
+ *
+ * Returns 0 on success, negative on failure
+ *
+ * ixgbe_probe initializes an adapter identified by a pci_dev structure.
+ * The OS initialization, configuring of the adapter private structure,
+ * and a hardware reset occur.
+ **/
+//static
+int ixgbe_kni_probe(struct pci_dev *pdev,
+ struct net_device **lad_dev)
+{
+ size_t count;
+ struct net_device *netdev;
+ struct ixgbe_adapter *adapter = NULL;
+ struct ixgbe_hw *hw = NULL;
+ static int cards_found;
+ int i, err;
+ u16 offset;
+ u16 eeprom_verh, eeprom_verl, eeprom_cfg_blkh, eeprom_cfg_blkl;
+ u32 etrack_id;
+ u16 build, major, patch;
+ char *info_string, *i_s_var;
+ u8 part_str[IXGBE_PBANUM_LENGTH];
+ enum ixgbe_mac_type mac_type = ixgbe_mac_unknown;
+#ifdef HAVE_TX_MQ
+ unsigned int indices = num_possible_cpus();
+#endif /* HAVE_TX_MQ */
+#ifdef IXGBE_FCOE
+ u16 device_caps;
+#endif
+ u16 wol_cap;
+
+ err = pci_enable_device_mem(pdev);
+ if (err)
+ return err;
+
+
+#ifdef NO_VNIC
+ err = pci_request_selected_regions(pdev, pci_select_bars(pdev,
+ IORESOURCE_MEM), ixgbe_driver_name);
+ if (err) {
+ dev_err(pci_dev_to_dev(pdev),
+ "pci_request_selected_regions failed 0x%x\n", err);
+ goto err_pci_reg;
+ }
+#endif
+
+ /*
+ * The mac_type is needed before we have the adapter is set up
+ * so rather than maintain two devID -> MAC tables we dummy up
+ * an ixgbe_hw stuct and use ixgbe_set_mac_type.
+ */
+ hw = vmalloc(sizeof(struct ixgbe_hw));
+ if (!hw) {
+ pr_info("Unable to allocate memory for early mac "
+ "check\n");
+ } else {
+ hw->vendor_id = pdev->vendor;
+ hw->device_id = pdev->device;
+ ixgbe_set_mac_type(hw);
+ mac_type = hw->mac.type;
+ vfree(hw);
+ }
+
+#ifdef NO_VNIC
+ /*
+ * Workaround of Silicon errata on 82598. Disable LOs in the PCI switch
+ * port to which the 82598 is connected to prevent duplicate
+ * completions caused by LOs. We need the mac type so that we only
+ * do this on 82598 devices, ixgbe_set_mac_type does this for us if
+ * we set it's device ID.
+ */
+ if (mac_type == ixgbe_mac_82598EB)
+ pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S);
+
+ pci_enable_pcie_error_reporting(pdev);
+
+ pci_set_master(pdev);
+#endif
+
+#ifdef HAVE_TX_MQ
+#ifdef CONFIG_DCB
+#ifdef HAVE_MQPRIO
+ indices *= IXGBE_DCB_MAX_TRAFFIC_CLASS;
+#else
+ indices = max_t(unsigned int, indices, IXGBE_MAX_DCB_INDICES);
+#endif /* HAVE_MQPRIO */
+#endif /* CONFIG_DCB */
+
+ if (mac_type == ixgbe_mac_82598EB)
+ indices = min_t(unsigned int, indices, IXGBE_MAX_RSS_INDICES);
+ else
+ indices = min_t(unsigned int, indices, IXGBE_MAX_FDIR_INDICES);
+
+#ifdef IXGBE_FCOE
+ indices += min_t(unsigned int, num_possible_cpus(),
+ IXGBE_MAX_FCOE_INDICES);
+#endif
+ netdev = alloc_etherdev_mq(sizeof(struct ixgbe_adapter), indices);
+#else /* HAVE_TX_MQ */
+ netdev = alloc_etherdev(sizeof(struct ixgbe_adapter));
+#endif /* HAVE_TX_MQ */
+ if (!netdev) {
+ err = -ENOMEM;
+ goto err_alloc_etherdev;
+ }
+
+ SET_NETDEV_DEV(netdev, &pdev->dev);
+
+ adapter = netdev_priv(netdev);
+ //pci_set_drvdata(pdev, adapter);
+
+ adapter->netdev = netdev;
+ adapter->pdev = pdev;
+ hw = &adapter->hw;
+ hw->back = adapter;
+ adapter->msg_enable = (1 << DEFAULT_DEBUG_LEVEL_SHIFT) - 1;
+
+#ifdef HAVE_PCI_ERS
+ /*
+ * call save state here in standalone driver because it relies on
+ * adapter struct to exist, and needs to call netdev_priv
+ */
+ pci_save_state(pdev);
+
+#endif
+ hw->hw_addr = ioremap(pci_resource_start(pdev, 0),
+ pci_resource_len(pdev, 0));
+ if (!hw->hw_addr) {
+ err = -EIO;
+ goto err_ioremap;
+ }
+ //ixgbe_assign_netdev_ops(netdev);
+ ixgbe_set_ethtool_ops(netdev);
+
+ strlcpy(netdev->name, pci_name(pdev), sizeof(netdev->name));
+
+ adapter->bd_number = cards_found;
+
+ /* setup the private structure */
+ err = ixgbe_sw_init(adapter);
+ if (err)
+ goto err_sw_init;
+
+ /* Make it possible the adapter to be woken up via WOL */
+ switch (adapter->hw.mac.type) {
+ case ixgbe_mac_82599EB:
+ case ixgbe_mac_X540:
+ IXGBE_WRITE_REG(&adapter->hw, IXGBE_WUS, ~0);
+ break;
+ default:
+ break;
+ }
+
+ /*
+ * check_options must be called before setup_link to set up
+ * hw->fc completely
+ */
+ //ixgbe_check_options(adapter);
+
+#ifndef NO_VNIC
+ /* reset_hw fills in the perm_addr as well */
+ hw->phy.reset_if_overtemp = true;
+ err = hw->mac.ops.reset_hw(hw);
+ hw->phy.reset_if_overtemp = false;
+ if (err == IXGBE_ERR_SFP_NOT_PRESENT &&
+ hw->mac.type == ixgbe_mac_82598EB) {
+ err = 0;
+ } else if (err == IXGBE_ERR_SFP_NOT_SUPPORTED) {
+ e_dev_err("failed to load because an unsupported SFP+ "
+ "module type was detected.\n");
+ e_dev_err("Reload the driver after installing a supported "
+ "module.\n");
+ goto err_sw_init;
+ } else if (err) {
+ e_dev_err("HW Init failed: %d\n", err);
+ goto err_sw_init;
+ }
+#endif
+
+ //if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
+ // ixgbe_probe_vf(adapter);
+
+
+#ifdef MAX_SKB_FRAGS
+ netdev->features |= NETIF_F_SG |
+ NETIF_F_IP_CSUM;
+
+#ifdef NETIF_F_IPV6_CSUM
+ netdev->features |= NETIF_F_IPV6_CSUM;
+#endif
+
+#ifdef NETIF_F_HW_VLAN_TX
+ netdev->features |= NETIF_F_HW_VLAN_TX |
+ NETIF_F_HW_VLAN_RX;
+#endif
+#ifdef NETIF_F_TSO
+ netdev->features |= NETIF_F_TSO;
+#endif /* NETIF_F_TSO */
+#ifdef NETIF_F_TSO6
+ netdev->features |= NETIF_F_TSO6;
+#endif /* NETIF_F_TSO6 */
+#ifdef NETIF_F_RXHASH
+ netdev->features |= NETIF_F_RXHASH;
+#endif /* NETIF_F_RXHASH */
+
+#ifdef HAVE_NDO_SET_FEATURES
+ netdev->features |= NETIF_F_RXCSUM;
+
+ /* copy netdev features into list of user selectable features */
+ netdev->hw_features |= netdev->features;
+
+ /* give us the option of enabling RSC/LRO later */
+#ifdef IXGBE_NO_LRO
+ if (adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE)
+#endif
+ netdev->hw_features |= NETIF_F_LRO;
+
+#else
+#ifdef NETIF_F_GRO
+
+ /* this is only needed on kernels prior to 2.6.39 */
+ netdev->features |= NETIF_F_GRO;
+#endif /* NETIF_F_GRO */
+#endif
+
+#ifdef NETIF_F_HW_VLAN_TX
+ /* set this bit last since it cannot be part of hw_features */
+ netdev->features |= NETIF_F_HW_VLAN_FILTER;
+#endif
+ switch (adapter->hw.mac.type) {
+ case ixgbe_mac_82599EB:
+ case ixgbe_mac_X540:
+ netdev->features |= NETIF_F_SCTP_CSUM;
+#ifdef HAVE_NDO_SET_FEATURES
+ netdev->hw_features |= NETIF_F_SCTP_CSUM |
+ NETIF_F_NTUPLE;
+#endif
+ break;
+ default:
+ break;
+ }
+
+#ifdef HAVE_NETDEV_VLAN_FEATURES
+ netdev->vlan_features |= NETIF_F_SG |
+ NETIF_F_IP_CSUM |
+ NETIF_F_IPV6_CSUM |
+ NETIF_F_TSO |
+ NETIF_F_TSO6;
+
+#endif /* HAVE_NETDEV_VLAN_FEATURES */
+ /*
+ * If perfect filters were enabled in check_options(), enable them
+ * on the netdevice too.
+ */
+ if (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE)
+ netdev->features |= NETIF_F_NTUPLE;
+ if (adapter->flags & IXGBE_FLAG_VMDQ_ENABLED)
+ adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
+ if (adapter->flags & IXGBE_FLAG_DCB_ENABLED)
+ adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
+ if (adapter->flags & IXGBE_FLAG_VMDQ_ENABLED) {
+ adapter->flags &= ~IXGBE_FLAG_FDIR_HASH_CAPABLE;
+ /* clear n-tuple support in the netdev unconditionally */
+ netdev->features &= ~NETIF_F_NTUPLE;
+ }
+
+#ifdef NETIF_F_RXHASH
+ if (!(adapter->flags & IXGBE_FLAG_RSS_ENABLED))
+ netdev->features &= ~NETIF_F_RXHASH;
+
+#endif /* NETIF_F_RXHASH */
+ if (netdev->features & NETIF_F_LRO) {
+ if ((adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) &&
+ ((adapter->rx_itr_setting == 1) ||
+ (adapter->rx_itr_setting > IXGBE_MIN_RSC_ITR))) {
+ adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
+ } else if (adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) {
+#ifdef IXGBE_NO_LRO
+ e_info(probe, "InterruptThrottleRate set too high, "
+ "disabling RSC\n");
+#else
+ e_info(probe, "InterruptThrottleRate set too high, "
+ "falling back to software LRO\n");
+#endif
+ }
+ }
+#ifdef CONFIG_DCB
+ //netdev->dcbnl_ops = &dcbnl_ops;
+#endif
+
+#ifdef IXGBE_FCOE
+#ifdef NETIF_F_FSO
+ if (adapter->flags & IXGBE_FLAG_FCOE_CAPABLE) {
+ ixgbe_get_device_caps(hw, &device_caps);
+ if (device_caps & IXGBE_DEVICE_CAPS_FCOE_OFFLOADS) {
+ adapter->flags &= ~IXGBE_FLAG_FCOE_ENABLED;
+ adapter->flags &= ~IXGBE_FLAG_FCOE_CAPABLE;
+ e_info(probe, "FCoE offload feature is not available. "
+ "Disabling FCoE offload feature\n");
+ }
+#ifndef HAVE_NETDEV_OPS_FCOE_ENABLE
+ else {
+ adapter->flags |= IXGBE_FLAG_FCOE_ENABLED;
+ adapter->ring_feature[RING_F_FCOE].indices =
+ IXGBE_FCRETA_SIZE;
+ netdev->features |= NETIF_F_FSO |
+ NETIF_F_FCOE_CRC |
+ NETIF_F_FCOE_MTU;
+ netdev->fcoe_ddp_xid = IXGBE_FCOE_DDP_MAX - 1;
+ }
+#endif /* HAVE_NETDEV_OPS_FCOE_ENABLE */
+#ifdef HAVE_NETDEV_VLAN_FEATURES
+ netdev->vlan_features |= NETIF_F_FSO |
+ NETIF_F_FCOE_CRC |
+ NETIF_F_FCOE_MTU;
+#endif /* HAVE_NETDEV_VLAN_FEATURES */
+ }
+#endif /* NETIF_F_FSO */
+#endif /* IXGBE_FCOE */
+
+#endif /* MAX_SKB_FRAGS */
+ /* make sure the EEPROM is good */
+ if (hw->eeprom.ops.validate_checksum &&
+ (hw->eeprom.ops.validate_checksum(hw, NULL) < 0)) {
+ e_dev_err("The EEPROM Checksum Is Not Valid\n");
+ err = -EIO;
+ goto err_sw_init;
+ }
+
+ memcpy(netdev->dev_addr, hw->mac.perm_addr, netdev->addr_len);
+#ifdef ETHTOOL_GPERMADDR
+ memcpy(netdev->perm_addr, hw->mac.perm_addr, netdev->addr_len);
+
+ if (ixgbe_validate_mac_addr(netdev->perm_addr)) {
+ e_dev_err("invalid MAC address\n");
+ err = -EIO;
+ goto err_sw_init;
+ }
+#else
+ if (ixgbe_validate_mac_addr(netdev->dev_addr)) {
+ e_dev_err("invalid MAC address\n");
+ err = -EIO;
+ goto err_sw_init;
+ }
+#endif
+ memcpy(&adapter->mac_table[0].addr, hw->mac.perm_addr,
+ netdev->addr_len);
+ adapter->mac_table[0].queue = adapter->num_vfs;
+ adapter->mac_table[0].state = (IXGBE_MAC_STATE_DEFAULT |
+ IXGBE_MAC_STATE_IN_USE);
+ hw->mac.ops.set_rar(hw, 0, adapter->mac_table[0].addr,
+ adapter->mac_table[0].queue,
+ IXGBE_RAH_AV);
+
+ //setup_timer(&adapter->service_timer, &ixgbe_service_timer,
+ // (unsigned long) adapter);
+
+ //INIT_WORK(&adapter->service_task, ixgbe_service_task);
+ //clear_bit(__IXGBE_SERVICE_SCHED, &adapter->state);
+
+ //err = ixgbe_init_interrupt_scheme(adapter);
+ //if (err)
+ // goto err_sw_init;
+
+ //adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
+ ixgbe_set_num_queues(adapter);
+
+ adapter->wol = 0;
+ /* WOL not supported for all but the following */
+ switch (pdev->device) {
+ case IXGBE_DEV_ID_82599_SFP:
+ /* Only these subdevice supports WOL */
+ switch (pdev->subsystem_device) {
+ case IXGBE_SUBDEV_ID_82599_560FLR:
+ /* only support first port */
+ if (hw->bus.func != 0)
+ break;
+ case IXGBE_SUBDEV_ID_82599_SFP:
+ adapter->wol = IXGBE_WUFC_MAG;
+ break;
+ }
+ break;
+ case IXGBE_DEV_ID_82599_COMBO_BACKPLANE:
+ /* All except this subdevice support WOL */
+ if (pdev->subsystem_device != IXGBE_SUBDEV_ID_82599_KX4_KR_MEZZ)
+ adapter->wol = IXGBE_WUFC_MAG;
+ break;
+ case IXGBE_DEV_ID_82599_KX4:
+ adapter->wol = IXGBE_WUFC_MAG;
+ break;
+ case IXGBE_DEV_ID_X540T:
+ /* Check eeprom to see if it is enabled */
+ ixgbe_read_eeprom(hw, 0x2c, &adapter->eeprom_cap);
+ wol_cap = adapter->eeprom_cap & IXGBE_DEVICE_CAPS_WOL_MASK;
+
+ if ((wol_cap == IXGBE_DEVICE_CAPS_WOL_PORT0_1) ||
+ ((wol_cap == IXGBE_DEVICE_CAPS_WOL_PORT0) &&
+ (hw->bus.func == 0)))
+ adapter->wol = IXGBE_WUFC_MAG;
+ break;
+ }
+ //device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
+
+
+ /*
+ * Save off EEPROM version number and Option Rom version which
+ * together make a unique identify for the eeprom
+ */
+ ixgbe_read_eeprom(hw, 0x2e, &eeprom_verh);
+ ixgbe_read_eeprom(hw, 0x2d, &eeprom_verl);
+
+ etrack_id = (eeprom_verh << 16) | eeprom_verl;
+
+ ixgbe_read_eeprom(hw, 0x17, &offset);
+
+ /* Make sure offset to SCSI block is valid */
+ if (!(offset == 0x0) && !(offset == 0xffff)) {
+ ixgbe_read_eeprom(hw, offset + 0x84, &eeprom_cfg_blkh);
+ ixgbe_read_eeprom(hw, offset + 0x83, &eeprom_cfg_blkl);
+
+ /* Only display Option Rom if exist */
+ if (eeprom_cfg_blkl && eeprom_cfg_blkh) {
+ major = eeprom_cfg_blkl >> 8;
+ build = (eeprom_cfg_blkl << 8) | (eeprom_cfg_blkh >> 8);
+ patch = eeprom_cfg_blkh & 0x00ff;
+
+ snprintf(adapter->eeprom_id, sizeof(adapter->eeprom_id),
+ "0x%08x, %d.%d.%d", etrack_id, major, build,
+ patch);
+ } else {
+ snprintf(adapter->eeprom_id, sizeof(adapter->eeprom_id),
+ "0x%08x", etrack_id);
+ }
+ } else {
+ snprintf(adapter->eeprom_id, sizeof(adapter->eeprom_id),
+ "0x%08x", etrack_id);
+ }
+
+ /* reset the hardware with the new settings */
+ err = hw->mac.ops.start_hw(hw);
+ if (err == IXGBE_ERR_EEPROM_VERSION) {
+ /* We are running on a pre-production device, log a warning */
+ e_dev_warn("This device is a pre-production adapter/LOM. "
+ "Please be aware there may be issues associated "
+ "with your hardware. If you are experiencing "
+ "problems please contact your Intel or hardware "
+ "representative who provided you with this "
+ "hardware.\n");
+ }
+ /* pick up the PCI bus settings for reporting later */
+ if (hw->mac.ops.get_bus_info)
+ hw->mac.ops.get_bus_info(hw);
+
+ strlcpy(netdev->name, "eth%d", sizeof(netdev->name));
+ *lad_dev = netdev;
+
+ adapter->netdev_registered = true;
+#ifdef NO_VNIC
+ /* power down the optics */
+ if ((hw->phy.multispeed_fiber) ||
+ ((hw->mac.ops.get_media_type(hw) == ixgbe_media_type_fiber) &&
+ (hw->mac.type == ixgbe_mac_82599EB)))
+ ixgbe_disable_tx_laser(hw);
+
+ /* carrier off reporting is important to ethtool even BEFORE open */
+ netif_carrier_off(netdev);
+ /* keep stopping all the transmit queues for older kernels */
+ netif_tx_stop_all_queues(netdev);
+#endif
+
+ /* print all messages at the end so that we use our eth%d name */
+ /* print bus type/speed/width info */
+ e_dev_info("(PCI Express:%s:%s) ",
+ (hw->bus.speed == ixgbe_bus_speed_5000 ? "5.0GT/s" :
+ hw->bus.speed == ixgbe_bus_speed_2500 ? "2.5GT/s" :
+ "Unknown"),
+ (hw->bus.width == ixgbe_bus_width_pcie_x8 ? "Width x8" :
+ hw->bus.width == ixgbe_bus_width_pcie_x4 ? "Width x4" :
+ hw->bus.width == ixgbe_bus_width_pcie_x1 ? "Width x1" :
+ "Unknown"));
+
+ /* print the MAC address */
+ for (i = 0; i < 6; i++)
+ pr_cont("%2.2x%c", netdev->dev_addr[i], i == 5 ? '\n' : ':');
+
+ /* First try to read PBA as a string */
+ err = ixgbe_read_pba_string(hw, part_str, IXGBE_PBANUM_LENGTH);
+ if (err)
+ strlcpy(part_str, "Unknown", sizeof(part_str));
+ if (ixgbe_is_sfp(hw) && hw->phy.sfp_type != ixgbe_sfp_type_not_present)
+ e_info(probe, "MAC: %d, PHY: %d, SFP+: %d, PBA No: %s\n",
+ hw->mac.type, hw->phy.type, hw->phy.sfp_type, part_str);
+ else
+ e_info(probe, "MAC: %d, PHY: %d, PBA No: %s\n",
+ hw->mac.type, hw->phy.type, part_str);
+
+ if (((hw->bus.speed == ixgbe_bus_speed_2500) &&
+ (hw->bus.width <= ixgbe_bus_width_pcie_x4)) ||
+ (hw->bus.width <= ixgbe_bus_width_pcie_x2)) {
+ e_dev_warn("PCI-Express bandwidth available for this "
+ "card is not sufficient for optimal "
+ "performance.\n");
+ e_dev_warn("For optimal performance a x8 PCI-Express "
+ "slot is required.\n");
+ }
+
+#define INFO_STRING_LEN 255
+ info_string = kzalloc(INFO_STRING_LEN, GFP_KERNEL);
+ if (!info_string) {
+ e_err(probe, "allocation for info string failed\n");
+ goto no_info_string;
+ }
+ count = 0;
+ i_s_var = info_string;
+ count += snprintf(i_s_var, INFO_STRING_LEN, "Enabled Features: ");
+
+ i_s_var = info_string + count;
+ count += snprintf(i_s_var, (INFO_STRING_LEN - count),
+ "RxQ: %d TxQ: %d ", adapter->num_rx_queues,
+ adapter->num_tx_queues);
+ i_s_var = info_string + count;
+#ifdef IXGBE_FCOE
+ if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) {
+ count += snprintf(i_s_var, INFO_STRING_LEN - count, "FCoE ");
+ i_s_var = info_string + count;
+ }
+#endif
+ if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE) {
+ count += snprintf(i_s_var, INFO_STRING_LEN - count,
+ "FdirHash ");
+ i_s_var = info_string + count;
+ }
+ if (adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE) {
+ count += snprintf(i_s_var, INFO_STRING_LEN - count,
+ "FdirPerfect ");
+ i_s_var = info_string + count;
+ }
+ if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
+ count += snprintf(i_s_var, INFO_STRING_LEN - count, "DCB ");
+ i_s_var = info_string + count;
+ }
+ if (adapter->flags & IXGBE_FLAG_RSS_ENABLED) {
+ count += snprintf(i_s_var, INFO_STRING_LEN - count, "RSS ");
+ i_s_var = info_string + count;
+ }
+ if (adapter->flags & IXGBE_FLAG_DCA_ENABLED) {
+ count += snprintf(i_s_var, INFO_STRING_LEN - count, "DCA ");
+ i_s_var = info_string + count;
+ }
+ if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
+ count += snprintf(i_s_var, INFO_STRING_LEN - count, "RSC ");
+ i_s_var = info_string + count;
+ }
+#ifndef IXGBE_NO_LRO
+ else if (netdev->features & NETIF_F_LRO) {
+ count += snprintf(i_s_var, INFO_STRING_LEN - count, "LRO ");
+ i_s_var = info_string + count;
+ }
+#endif
+
+ BUG_ON(i_s_var > (info_string + INFO_STRING_LEN));
+ /* end features printing */
+ e_info(probe, "%s\n", info_string);
+ kfree(info_string);
+no_info_string:
+
+ /* firmware requires blank driver version */
+ ixgbe_set_fw_drv_ver(hw, 0xFF, 0xFF, 0xFF, 0xFF);
+
+#if defined(HAVE_NETDEV_STORAGE_ADDRESS) && defined(NETDEV_HW_ADDR_T_SAN)
+ /* add san mac addr to netdev */
+ //ixgbe_add_sanmac_netdev(netdev);
+
+#endif /* (HAVE_NETDEV_STORAGE_ADDRESS) && (NETDEV_HW_ADDR_T_SAN) */
+ e_info(probe, "Intel(R) 10 Gigabit Network Connection\n");
+ cards_found++;
+
+#ifdef IXGBE_SYSFS
+ //if (ixgbe_sysfs_init(adapter))
+ // e_err(probe, "failed to allocate sysfs resources\n");
+#else
+#ifdef IXGBE_PROCFS
+ //if (ixgbe_procfs_init(adapter))
+ // e_err(probe, "failed to allocate procfs resources\n");
+#endif /* IXGBE_PROCFS */
+#endif /* IXGBE_SYSFS */
+
+ return 0;
+
+//err_register:
+ //ixgbe_clear_interrupt_scheme(adapter);
+ //ixgbe_release_hw_control(adapter);
+err_sw_init:
+ adapter->flags2 &= ~IXGBE_FLAG2_SEARCH_FOR_SFP;
+ if (adapter->mac_table)
+ kfree(adapter->mac_table);
+ iounmap(hw->hw_addr);
+err_ioremap:
+ free_netdev(netdev);
+err_alloc_etherdev:
+ //pci_release_selected_regions(pdev,
+ // pci_select_bars(pdev, IORESOURCE_MEM));
+//err_pci_reg:
+//err_dma:
+ pci_disable_device(pdev);
+ return err;
+}
+
+/**
+ * ixgbe_remove - Device Removal Routine
+ * @pdev: PCI device information struct
+ *
+ * ixgbe_remove is called by the PCI subsystem to alert the driver
+ * that it should release a PCI device. The could be caused by a
+ * Hot-Plug event, or because the driver is going to be removed from
+ * memory.
+ **/
+void ixgbe_kni_remove(struct pci_dev *pdev)
+{
+ pci_disable_device(pdev);
+}
+
+
+u16 ixgbe_read_pci_cfg_word(struct ixgbe_hw *hw, u32 reg)
+{
+ u16 value;
+ struct ixgbe_adapter *adapter = hw->back;
+
+ pci_read_config_word(adapter->pdev, reg, &value);
+ return value;
+}
+
+void ixgbe_write_pci_cfg_word(struct ixgbe_hw *hw, u32 reg, u16 value)
+{
+ struct ixgbe_adapter *adapter = hw->back;
+
+ pci_write_config_word(adapter->pdev, reg, value);
+}
+
+void ewarn(struct ixgbe_hw *hw, const char *st, u32 status)
+{
+ struct ixgbe_adapter *adapter = hw->back;
+
+ netif_warn(adapter, drv, adapter->netdev, "%s", st);
+}