+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0
-/*******************************************************************************
-
- Intel(R) Gigabit Ethernet Linux driver
- Copyright(c) 2007-2013 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
-
-*******************************************************************************/
-
-
-#include <linux/tcp.h>
-
-#include "igb.h"
-#include "igb_vmdq.h"
-#include <linux/if_vlan.h>
-
-#ifdef CONFIG_IGB_VMDQ_NETDEV
-int igb_vmdq_open(struct net_device *dev)
-{
- struct igb_vmdq_adapter *vadapter = netdev_priv(dev);
- struct igb_adapter *adapter = vadapter->real_adapter;
- struct net_device *main_netdev = adapter->netdev;
- int hw_queue = vadapter->rx_ring->queue_index +
- adapter->vfs_allocated_count;
-
- if (test_bit(__IGB_DOWN, &adapter->state)) {
- DPRINTK(DRV, WARNING,
- "Open %s before opening this device.\n",
- main_netdev->name);
- return -EAGAIN;
- }
- netif_carrier_off(dev);
- vadapter->tx_ring->vmdq_netdev = dev;
- vadapter->rx_ring->vmdq_netdev = dev;
- if (is_valid_ether_addr(dev->dev_addr)) {
- igb_del_mac_filter(adapter, dev->dev_addr, hw_queue);
- igb_add_mac_filter(adapter, dev->dev_addr, hw_queue);
- }
- netif_carrier_on(dev);
- return 0;
-}
-
-int igb_vmdq_close(struct net_device *dev)
-{
- struct igb_vmdq_adapter *vadapter = netdev_priv(dev);
- struct igb_adapter *adapter = vadapter->real_adapter;
- int hw_queue = vadapter->rx_ring->queue_index +
- adapter->vfs_allocated_count;
-
- netif_carrier_off(dev);
- igb_del_mac_filter(adapter, dev->dev_addr, hw_queue);
-
- vadapter->tx_ring->vmdq_netdev = NULL;
- vadapter->rx_ring->vmdq_netdev = NULL;
- return 0;
-}
-
-netdev_tx_t igb_vmdq_xmit_frame(struct sk_buff *skb, struct net_device *dev)
-{
- struct igb_vmdq_adapter *vadapter = netdev_priv(dev);
-
- return igb_xmit_frame_ring(skb, vadapter->tx_ring);
-}
-
-struct net_device_stats *igb_vmdq_get_stats(struct net_device *dev)
-{
- struct igb_vmdq_adapter *vadapter = netdev_priv(dev);
- struct igb_adapter *adapter = vadapter->real_adapter;
- struct e1000_hw *hw = &adapter->hw;
- int hw_queue = vadapter->rx_ring->queue_index +
- adapter->vfs_allocated_count;
-
- vadapter->net_stats.rx_packets +=
- E1000_READ_REG(hw, E1000_PFVFGPRC(hw_queue));
- E1000_WRITE_REG(hw, E1000_PFVFGPRC(hw_queue), 0);
- vadapter->net_stats.tx_packets +=
- E1000_READ_REG(hw, E1000_PFVFGPTC(hw_queue));
- E1000_WRITE_REG(hw, E1000_PFVFGPTC(hw_queue), 0);
- vadapter->net_stats.rx_bytes +=
- E1000_READ_REG(hw, E1000_PFVFGORC(hw_queue));
- E1000_WRITE_REG(hw, E1000_PFVFGORC(hw_queue), 0);
- vadapter->net_stats.tx_bytes +=
- E1000_READ_REG(hw, E1000_PFVFGOTC(hw_queue));
- E1000_WRITE_REG(hw, E1000_PFVFGOTC(hw_queue), 0);
- vadapter->net_stats.multicast +=
- E1000_READ_REG(hw, E1000_PFVFMPRC(hw_queue));
- E1000_WRITE_REG(hw, E1000_PFVFMPRC(hw_queue), 0);
- /* only return the current stats */
- return &vadapter->net_stats;
-}
-
-/**
- * igb_write_vm_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
- **/
-static int igb_write_vm_addr_list(struct net_device *netdev)
-{
- struct igb_vmdq_adapter *vadapter = netdev_priv(netdev);
- struct igb_adapter *adapter = vadapter->real_adapter;
- int count = 0;
- int hw_queue = vadapter->rx_ring->queue_index +
- adapter->vfs_allocated_count;
-
- /* return ENOMEM indicating insufficient memory for addresses */
- if (netdev_uc_count(netdev) > igb_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
- igb_del_mac_filter(adapter, ha->addr, hw_queue);
- igb_add_mac_filter(adapter, ha->addr, hw_queue);
-#else
- igb_del_mac_filter(adapter, ha->da_addr, hw_queue);
- igb_add_mac_filter(adapter, ha->da_addr, hw_queue);
-#endif
- count++;
- }
- }
- return count;
-}
-
-
-#define E1000_VMOLR_UPE 0x20000000 /* Unicast promiscuous mode */
-void igb_vmdq_set_rx_mode(struct net_device *dev)
-{
- struct igb_vmdq_adapter *vadapter = netdev_priv(dev);
- struct igb_adapter *adapter = vadapter->real_adapter;
- struct e1000_hw *hw = &adapter->hw;
- u32 vmolr, rctl;
- int hw_queue = vadapter->rx_ring->queue_index +
- adapter->vfs_allocated_count;
-
- /* Check for Promiscuous and All Multicast modes */
- vmolr = E1000_READ_REG(hw, E1000_VMOLR(hw_queue));
-
- /* clear the affected bits */
- vmolr &= ~(E1000_VMOLR_UPE | E1000_VMOLR_MPME |
- E1000_VMOLR_ROPE | E1000_VMOLR_ROMPE);
-
- if (dev->flags & IFF_PROMISC) {
- vmolr |= E1000_VMOLR_UPE;
- rctl = E1000_READ_REG(hw, E1000_RCTL);
- rctl |= E1000_RCTL_UPE;
- E1000_WRITE_REG(hw, E1000_RCTL, rctl);
- } else {
- rctl = E1000_READ_REG(hw, E1000_RCTL);
- rctl &= ~E1000_RCTL_UPE;
- E1000_WRITE_REG(hw, E1000_RCTL, rctl);
- if (dev->flags & IFF_ALLMULTI) {
- vmolr |= E1000_VMOLR_MPME;
- } 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
- */
- if (igb_write_mc_addr_list(adapter->netdev) != 0)
- vmolr |= E1000_VMOLR_ROMPE;
- }
-#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
- */
- if (igb_write_vm_addr_list(dev) < 0)
- vmolr |= E1000_VMOLR_UPE;
-#endif
- }
- E1000_WRITE_REG(hw, E1000_VMOLR(hw_queue), vmolr);
-
- return;
-}
-
-int igb_vmdq_set_mac(struct net_device *dev, void *p)
-{
- struct sockaddr *addr = p;
- struct igb_vmdq_adapter *vadapter = netdev_priv(dev);
- struct igb_adapter *adapter = vadapter->real_adapter;
- int hw_queue = vadapter->rx_ring->queue_index +
- adapter->vfs_allocated_count;
-
- igb_del_mac_filter(adapter, dev->dev_addr, hw_queue);
- memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
- return igb_add_mac_filter(adapter, dev->dev_addr, hw_queue);
-}
-
-int igb_vmdq_change_mtu(struct net_device *dev, int new_mtu)
-{
- struct igb_vmdq_adapter *vadapter = netdev_priv(dev);
- struct igb_adapter *adapter = vadapter->real_adapter;
-
- if (adapter->netdev->mtu < new_mtu) {
- DPRINTK(PROBE, INFO,
- "Set MTU on %s to >= %d "
- "before changing MTU on %s\n",
- adapter->netdev->name, new_mtu, dev->name);
- return -EINVAL;
- }
- dev->mtu = new_mtu;
- return 0;
-}
-
-void igb_vmdq_tx_timeout(struct net_device *dev)
-{
- return;
-}
-
-void igb_vmdq_vlan_rx_register(struct net_device *dev, struct vlan_group *grp)
-{
- struct igb_vmdq_adapter *vadapter = netdev_priv(dev);
- struct igb_adapter *adapter = vadapter->real_adapter;
- struct e1000_hw *hw = &adapter->hw;
- int hw_queue = vadapter->rx_ring->queue_index +
- adapter->vfs_allocated_count;
-
- vadapter->vlgrp = grp;
-
- igb_enable_vlan_tags(adapter);
- E1000_WRITE_REG(hw, E1000_VMVIR(hw_queue), 0);
-
- return;
-}
-void igb_vmdq_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
-{
- struct igb_vmdq_adapter *vadapter = netdev_priv(dev);
- struct igb_adapter *adapter = vadapter->real_adapter;
-#ifndef HAVE_NETDEV_VLAN_FEATURES
- struct net_device *v_netdev;
-#endif
- int hw_queue = vadapter->rx_ring->queue_index +
- adapter->vfs_allocated_count;
-
- /* attempt to add filter to vlvf array */
- igb_vlvf_set(adapter, vid, TRUE, hw_queue);
-
-#ifndef HAVE_NETDEV_VLAN_FEATURES
-
- /* Copy feature flags from netdev to the vlan netdev for this vid.
- * This allows things like TSO to bubble down to our vlan device.
- */
- v_netdev = vlan_group_get_device(vadapter->vlgrp, vid);
- v_netdev->features |= adapter->netdev->features;
- vlan_group_set_device(vadapter->vlgrp, vid, v_netdev);
-#endif
-
- return;
-}
-void igb_vmdq_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
-{
- struct igb_vmdq_adapter *vadapter = netdev_priv(dev);
- struct igb_adapter *adapter = vadapter->real_adapter;
- int hw_queue = vadapter->rx_ring->queue_index +
- adapter->vfs_allocated_count;
-
- vlan_group_set_device(vadapter->vlgrp, vid, NULL);
- /* remove vlan from VLVF table array */
- igb_vlvf_set(adapter, vid, FALSE, hw_queue);
-
-
- return;
-}
-
-static int igb_vmdq_get_settings(struct net_device *netdev,
- struct ethtool_cmd *ecmd)
-{
- struct igb_vmdq_adapter *vadapter = netdev_priv(netdev);
- struct igb_adapter *adapter = vadapter->real_adapter;
- struct e1000_hw *hw = &adapter->hw;
- u32 status;
-
- if (hw->phy.media_type == e1000_media_type_copper) {
-
- ecmd->supported = (SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full |
- SUPPORTED_100baseT_Half |
- SUPPORTED_100baseT_Full |
- SUPPORTED_1000baseT_Full|
- SUPPORTED_Autoneg |
- SUPPORTED_TP);
- ecmd->advertising = ADVERTISED_TP;
-
- if (hw->mac.autoneg == 1) {
- ecmd->advertising |= ADVERTISED_Autoneg;
- /* the e1000 autoneg seems to match ethtool nicely */
- ecmd->advertising |= hw->phy.autoneg_advertised;
- }
-
- ecmd->port = PORT_TP;
- ecmd->phy_address = hw->phy.addr;
- } else {
- ecmd->supported = (SUPPORTED_1000baseT_Full |
- SUPPORTED_FIBRE |
- SUPPORTED_Autoneg);
-
- ecmd->advertising = (ADVERTISED_1000baseT_Full |
- ADVERTISED_FIBRE |
- ADVERTISED_Autoneg);
-
- ecmd->port = PORT_FIBRE;
- }
-
- ecmd->transceiver = XCVR_INTERNAL;
-
- status = E1000_READ_REG(hw, E1000_STATUS);
-
- if (status & E1000_STATUS_LU) {
-
- if ((status & E1000_STATUS_SPEED_1000) ||
- hw->phy.media_type != e1000_media_type_copper)
- ecmd->speed = SPEED_1000;
- else if (status & E1000_STATUS_SPEED_100)
- ecmd->speed = SPEED_100;
- else
- ecmd->speed = SPEED_10;
-
- if ((status & E1000_STATUS_FD) ||
- hw->phy.media_type != e1000_media_type_copper)
- ecmd->duplex = DUPLEX_FULL;
- else
- ecmd->duplex = DUPLEX_HALF;
- } else {
- ecmd->speed = -1;
- ecmd->duplex = -1;
- }
-
- ecmd->autoneg = hw->mac.autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE;
- return 0;
-}
-
-
-static u32 igb_vmdq_get_msglevel(struct net_device *netdev)
-{
- struct igb_vmdq_adapter *vadapter = netdev_priv(netdev);
- struct igb_adapter *adapter = vadapter->real_adapter;
- return adapter->msg_enable;
-}
-
-static void igb_vmdq_get_drvinfo(struct net_device *netdev,
- struct ethtool_drvinfo *drvinfo)
-{
- struct igb_vmdq_adapter *vadapter = netdev_priv(netdev);
- struct igb_adapter *adapter = vadapter->real_adapter;
- struct net_device *main_netdev = adapter->netdev;
-
- strncpy(drvinfo->driver, igb_driver_name, 32);
- strncpy(drvinfo->version, igb_driver_version, 32);
-
- strncpy(drvinfo->fw_version, "N/A", 4);
- snprintf(drvinfo->bus_info, 32, "%s VMDQ %d", main_netdev->name,
- vadapter->rx_ring->queue_index);
- drvinfo->n_stats = 0;
- drvinfo->testinfo_len = 0;
- drvinfo->regdump_len = 0;
-}
-
-static void igb_vmdq_get_ringparam(struct net_device *netdev,
- struct ethtool_ringparam *ring)
-{
- struct igb_vmdq_adapter *vadapter = netdev_priv(netdev);
-
- struct igb_ring *tx_ring = vadapter->tx_ring;
- struct igb_ring *rx_ring = vadapter->rx_ring;
-
- ring->rx_max_pending = IGB_MAX_RXD;
- ring->tx_max_pending = IGB_MAX_TXD;
- ring->rx_mini_max_pending = 0;
- ring->rx_jumbo_max_pending = 0;
- ring->rx_pending = rx_ring->count;
- ring->tx_pending = tx_ring->count;
- ring->rx_mini_pending = 0;
- ring->rx_jumbo_pending = 0;
-}
-static u32 igb_vmdq_get_rx_csum(struct net_device *netdev)
-{
- struct igb_vmdq_adapter *vadapter = netdev_priv(netdev);
- struct igb_adapter *adapter = vadapter->real_adapter;
-
- return test_bit(IGB_RING_FLAG_RX_CSUM, &adapter->rx_ring[0]->flags);
-}
-
-
-static struct ethtool_ops igb_vmdq_ethtool_ops = {
- .get_settings = igb_vmdq_get_settings,
- .get_drvinfo = igb_vmdq_get_drvinfo,
- .get_link = ethtool_op_get_link,
- .get_ringparam = igb_vmdq_get_ringparam,
- .get_rx_csum = igb_vmdq_get_rx_csum,
- .get_tx_csum = ethtool_op_get_tx_csum,
- .get_sg = ethtool_op_get_sg,
- .set_sg = ethtool_op_set_sg,
- .get_msglevel = igb_vmdq_get_msglevel,
-#ifdef NETIF_F_TSO
- .get_tso = ethtool_op_get_tso,
-#endif
-#ifdef HAVE_ETHTOOL_GET_PERM_ADDR
- .get_perm_addr = ethtool_op_get_perm_addr,
-#endif
-};
-
-void igb_vmdq_set_ethtool_ops(struct net_device *netdev)
-{
- SET_ETHTOOL_OPS(netdev, &igb_vmdq_ethtool_ops);
-}
-
-
-#endif /* CONFIG_IGB_VMDQ_NETDEV */
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