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Diffstat (limited to 'drivers/net/ixgbe/ixgbe_sriov.c')
-rw-r--r--drivers/net/ixgbe/ixgbe_sriov.c362
1 files changed, 0 insertions, 362 deletions
diff --git a/drivers/net/ixgbe/ixgbe_sriov.c b/drivers/net/ixgbe/ixgbe_sriov.c
deleted file mode 100644
index d4cd20f3019..00000000000
--- a/drivers/net/ixgbe/ixgbe_sriov.c
+++ /dev/null
@@ -1,362 +0,0 @@
-/*******************************************************************************
-
- Intel 10 Gigabit PCI Express Linux driver
- Copyright(c) 1999 - 2009 Intel Corporation.
-
- This program is free software; you can redistribute it and/or modify it
- under the terms and conditions of the GNU General Public License,
- version 2, as published by the Free Software Foundation.
-
- This program is distributed in the hope it will be useful, but WITHOUT
- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- more details.
-
- You should have received a copy of the GNU General Public License along with
- this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
- The full GNU General Public License is included in this distribution in
- the file called "COPYING".
-
- 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/types.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/netdevice.h>
-#include <linux/vmalloc.h>
-#include <linux/string.h>
-#include <linux/in.h>
-#include <linux/ip.h>
-#include <linux/tcp.h>
-#include <linux/ipv6.h>
-#ifdef NETIF_F_HW_VLAN_TX
-#include <linux/if_vlan.h>
-#endif
-
-#include "ixgbe.h"
-
-#include "ixgbe_sriov.h"
-
-int ixgbe_set_vf_multicasts(struct ixgbe_adapter *adapter,
- int entries, u16 *hash_list, u32 vf)
-{
- struct vf_data_storage *vfinfo = &adapter->vfinfo[vf];
- int i;
-
- /* only so many hash values supported */
- entries = min(entries, IXGBE_MAX_VF_MC_ENTRIES);
-
- /*
- * salt away the number of multi cast addresses assigned
- * to this VF for later use to restore when the PF multi cast
- * list changes
- */
- vfinfo->num_vf_mc_hashes = entries;
-
- /*
- * VFs are limited to using the MTA hash table for their multicast
- * addresses
- */
- for (i = 0; i < entries; i++) {
- vfinfo->vf_mc_hashes[i] = hash_list[i];;
- }
-
- /* Flush and reset the mta with the new values */
- ixgbe_set_rx_mode(adapter->netdev);
-
- return 0;
-}
-
-void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter)
-{
- struct ixgbe_hw *hw = &adapter->hw;
- struct vf_data_storage *vfinfo;
- int i, j;
- u32 vector_bit;
- u32 vector_reg;
- u32 mta_reg;
-
- for (i = 0; i < adapter->num_vfs; i++) {
- vfinfo = &adapter->vfinfo[i];
- for (j = 0; j < vfinfo->num_vf_mc_hashes; j++) {
- hw->addr_ctrl.mta_in_use++;
- vector_reg = (vfinfo->vf_mc_hashes[j] >> 5) & 0x7F;
- vector_bit = vfinfo->vf_mc_hashes[j] & 0x1F;
- mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg));
- mta_reg |= (1 << vector_bit);
- IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg);
- }
- }
-}
-
-int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid, u32 vf)
-{
- u32 ctrl;
-
- /* Check if global VLAN already set, if not set it */
- ctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_VLNCTRL);
- if (!(ctrl & IXGBE_VLNCTRL_VFE)) {
- /* enable VLAN tag insert/strip */
- ctrl |= IXGBE_VLNCTRL_VFE;
- ctrl &= ~IXGBE_VLNCTRL_CFIEN;
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_VLNCTRL, ctrl);
- }
-
- return adapter->hw.mac.ops.set_vfta(&adapter->hw, vid, vf, (bool)add);
-}
-
-
-void ixgbe_set_vmolr(struct ixgbe_hw *hw, u32 vf)
-{
- u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
- vmolr |= (IXGBE_VMOLR_AUPE |
- IXGBE_VMOLR_ROMPE |
- IXGBE_VMOLR_ROPE |
- IXGBE_VMOLR_BAM);
- IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
-}
-
-inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf)
-{
- struct ixgbe_hw *hw = &adapter->hw;
-
- /* reset offloads to defaults */
- ixgbe_set_vmolr(hw, vf);
-
-
- /* reset multicast table array for vf */
- adapter->vfinfo[vf].num_vf_mc_hashes = 0;
-
- /* Flush and reset the mta with the new values */
- ixgbe_set_rx_mode(adapter->netdev);
-
- if (adapter->vfinfo[vf].rar > 0) {
- adapter->hw.mac.ops.clear_rar(&adapter->hw,
- adapter->vfinfo[vf].rar);
- adapter->vfinfo[vf].rar = -1;
- }
-}
-
-int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter,
- int vf, unsigned char *mac_addr)
-{
- struct ixgbe_hw *hw = &adapter->hw;
-
- adapter->vfinfo[vf].rar = hw->mac.ops.set_rar(hw, vf + 1, mac_addr,
- vf, IXGBE_RAH_AV);
- if (adapter->vfinfo[vf].rar < 0) {
- DPRINTK(DRV, ERR, "Could not set MAC Filter for VF %d\n", vf);
- return -1;
- }
-
- memcpy(adapter->vfinfo[vf].vf_mac_addresses, mac_addr, 6);
-
- return 0;
-}
-
-int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask)
-{
- unsigned char vf_mac_addr[6];
- struct net_device *netdev = pci_get_drvdata(pdev);
- struct ixgbe_adapter *adapter = netdev_priv(netdev);
- unsigned int vfn = (event_mask & 0x3f);
-
- bool enable = ((event_mask & 0x10000000U) != 0);
-
- if (enable) {
- random_ether_addr(vf_mac_addr);
- DPRINTK(PROBE, INFO, "IOV: VF %d is enabled "
- "mac %02X:%02X:%02X:%02X:%02X:%02X\n",
- vfn,
- vf_mac_addr[0], vf_mac_addr[1], vf_mac_addr[2],
- vf_mac_addr[3], vf_mac_addr[4], vf_mac_addr[5]);
- /*
- * Store away the VF "permananet" MAC address, it will ask
- * for it later.
- */
- memcpy(adapter->vfinfo[vfn].vf_mac_addresses, vf_mac_addr, 6);
- }
-
- return 0;
-}
-
-inline void ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf)
-{
- struct ixgbe_hw *hw = &adapter->hw;
- u32 reg;
- u32 reg_offset, vf_shift;
-
- vf_shift = vf % 32;
- reg_offset = vf / 32;
-
- /* enable transmit and receive for vf */
- reg = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset));
- reg |= (reg | (1 << vf_shift));
- IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg);
-
- reg = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset));
- reg |= (reg | (1 << vf_shift));
- IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg);
-
- ixgbe_vf_reset_event(adapter, vf);
-}
-
-static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
-{
- u32 mbx_size = IXGBE_VFMAILBOX_SIZE;
- u32 msgbuf[mbx_size];
- struct ixgbe_hw *hw = &adapter->hw;
- s32 retval;
- int entries;
- u16 *hash_list;
- int add, vid;
-
- retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf);
-
- if (retval)
- printk(KERN_ERR "Error receiving message from VF\n");
-
- /* this is a message we already processed, do nothing */
- if (msgbuf[0] & (IXGBE_VT_MSGTYPE_ACK | IXGBE_VT_MSGTYPE_NACK))
- return retval;
-
- /*
- * until the vf completes a virtual function reset it should not be
- * allowed to start any configuration.
- */
-
- if (msgbuf[0] == IXGBE_VF_RESET) {
- unsigned char *vf_mac = adapter->vfinfo[vf].vf_mac_addresses;
- u8 *addr = (u8 *)(&msgbuf[1]);
- DPRINTK(PROBE, INFO, "VF Reset msg received from vf %d\n", vf);
- adapter->vfinfo[vf].clear_to_send = false;
- ixgbe_vf_reset_msg(adapter, vf);
- adapter->vfinfo[vf].clear_to_send = true;
-
- /* reply to reset with ack and vf mac address */
- msgbuf[0] = IXGBE_VF_RESET | IXGBE_VT_MSGTYPE_ACK;
- memcpy(addr, vf_mac, IXGBE_ETH_LENGTH_OF_ADDRESS);
- /*
- * Piggyback the multicast filter type so VF can compute the
- * correct vectors
- */
- msgbuf[3] = hw->mac.mc_filter_type;
- ixgbe_write_mbx(hw, msgbuf, IXGBE_VF_PERMADDR_MSG_LEN, vf);
-
- return retval;
- }
-
- if (!adapter->vfinfo[vf].clear_to_send) {
- msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
- ixgbe_write_mbx(hw, msgbuf, 1, vf);
- return retval;
- }
-
- switch ((msgbuf[0] & 0xFFFF)) {
- case IXGBE_VF_SET_MAC_ADDR:
- {
- u8 *new_mac = ((u8 *)(&msgbuf[1]));
- if (is_valid_ether_addr(new_mac))
- ixgbe_set_vf_mac(adapter, vf, new_mac);
- else
- retval = -1;
- }
- break;
- case IXGBE_VF_SET_MULTICAST:
- entries = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK)
- >> IXGBE_VT_MSGINFO_SHIFT;
- hash_list = (u16 *)&msgbuf[1];
- retval = ixgbe_set_vf_multicasts(adapter, entries,
- hash_list, vf);
- break;
- case IXGBE_VF_SET_LPE:
- WARN_ON((msgbuf[0] & 0xFFFF) == IXGBE_VF_SET_LPE);
- break;
- case IXGBE_VF_SET_VLAN:
- add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK)
- >> IXGBE_VT_MSGINFO_SHIFT;
- vid = (msgbuf[1] & IXGBE_VLVF_VLANID_MASK);
- retval = ixgbe_set_vf_vlan(adapter, add, vid, vf);
- break;
- default:
- DPRINTK(DRV, ERR, "Unhandled Msg %8.8x\n", msgbuf[0]);
- retval = IXGBE_ERR_MBX;
- break;
- }
-
- /* notify the VF of the results of what it sent us */
- if (retval)
- msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK;
- else
- msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK;
-
- msgbuf[0] |= IXGBE_VT_MSGTYPE_CTS;
-
- ixgbe_write_mbx(hw, msgbuf, 1, vf);
-
- return retval;
-}
-
-static void ixgbe_rcv_ack_from_vf(struct ixgbe_adapter *adapter, u32 vf)
-{
- struct ixgbe_hw *hw = &adapter->hw;
- u32 msg = IXGBE_VT_MSGTYPE_NACK;
-
- /* if device isn't clear to send it shouldn't be reading either */
- if (!adapter->vfinfo[vf].clear_to_send)
- ixgbe_write_mbx(hw, &msg, 1, vf);
-}
-
-void ixgbe_msg_task(struct ixgbe_adapter *adapter)
-{
- struct ixgbe_hw *hw = &adapter->hw;
- u32 vf;
-
- for (vf = 0; vf < adapter->num_vfs; vf++) {
- /* process any reset requests */
- if (!ixgbe_check_for_rst(hw, vf))
- ixgbe_vf_reset_event(adapter, vf);
-
- /* process any messages pending */
- if (!ixgbe_check_for_msg(hw, vf))
- ixgbe_rcv_msg_from_vf(adapter, vf);
-
- /* process any acks */
- if (!ixgbe_check_for_ack(hw, vf))
- ixgbe_rcv_ack_from_vf(adapter, vf);
- }
-}
-
-void ixgbe_disable_tx_rx(struct ixgbe_adapter *adapter)
-{
- struct ixgbe_hw *hw = &adapter->hw;
-
- /* disable transmit and receive for all vfs */
- IXGBE_WRITE_REG(hw, IXGBE_VFTE(0), 0);
- IXGBE_WRITE_REG(hw, IXGBE_VFTE(1), 0);
-
- IXGBE_WRITE_REG(hw, IXGBE_VFRE(0), 0);
- IXGBE_WRITE_REG(hw, IXGBE_VFRE(1), 0);
-}
-
-void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter)
-{
- struct ixgbe_hw *hw = &adapter->hw;
- u32 ping;
- int i;
-
- for (i = 0 ; i < adapter->num_vfs; i++) {
- ping = IXGBE_PF_CONTROL_MSG;
- if (adapter->vfinfo[i].clear_to_send)
- ping |= IXGBE_VT_MSGTYPE_CTS;
- ixgbe_write_mbx(hw, &ping, 1, i);
- }
-}
-
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