1 files changed, 421 insertions, 0 deletions

diff --git a/kernel/linux/kni/ethtool/igb/igb_vmdq.c b/kernel/linux/kni/ethtool/igb/igb_vmdq.c
new file mode 100644
index 00000000..cdd807b9
--- /dev/null
+++ b/kernel/linux/kni/ethtool/igb/igb_vmdq.c
@@ -0,0 +1,421 @@
+// 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 */