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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, 0 insertions, 2951 deletions
diff --git a/kernel/linux/kni/ethtool/ixgbe/ixgbe_main.c b/kernel/linux/kni/ethtool/ixgbe/ixgbe_main.c
deleted file mode 100644
index a5acf19..0000000
--- a/kernel/linux/kni/ethtool/ixgbe/ixgbe_main.c
+++ /dev/null
@@ -1,2951 +0,0 @@
-// 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);
-}