summaryrefslogtreecommitdiff
path: root/drivers/net/ixgbevf/vf.c
diff options
context:
space:
mode:
authorJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-04-07 07:42:33 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2011-08-10 20:03:27 -0700
commitdee1ad47f2ee75f5146d83ca757c1b7861c34c3b (patch)
tree47cbdefe3d0f9b729724e378ad6a96eaddfd5fbc /drivers/net/ixgbevf/vf.c
parentf7917c009c28c941ba151ee66f04dc7f6a2e1e0b (diff)
intel: Move the Intel wired LAN drivers
Moves the Intel wired LAN drivers into drivers/net/ethernet/intel/ and the necessary Kconfig and Makefile changes. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ixgbevf/vf.c')
-rw-r--r--drivers/net/ixgbevf/vf.c426
1 files changed, 0 insertions, 426 deletions
diff --git a/drivers/net/ixgbevf/vf.c b/drivers/net/ixgbevf/vf.c
deleted file mode 100644
index aa3682e8c473..000000000000
--- a/drivers/net/ixgbevf/vf.c
+++ /dev/null
@@ -1,426 +0,0 @@
-/*******************************************************************************
-
- Intel 82599 Virtual Function driver
- Copyright(c) 1999 - 2010 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 "vf.h"
-
-/**
- * ixgbevf_start_hw_vf - Prepare hardware for Tx/Rx
- * @hw: pointer to hardware structure
- *
- * Starts the hardware by filling the bus info structure and media type, clears
- * all on chip counters, initializes receive address registers, multicast
- * table, VLAN filter table, calls routine to set up link and flow control
- * settings, and leaves transmit and receive units disabled and uninitialized
- **/
-static s32 ixgbevf_start_hw_vf(struct ixgbe_hw *hw)
-{
- /* Clear adapter stopped flag */
- hw->adapter_stopped = false;
-
- return 0;
-}
-
-/**
- * ixgbevf_init_hw_vf - virtual function hardware initialization
- * @hw: pointer to hardware structure
- *
- * Initialize the hardware by resetting the hardware and then starting
- * the hardware
- **/
-static s32 ixgbevf_init_hw_vf(struct ixgbe_hw *hw)
-{
- s32 status = hw->mac.ops.start_hw(hw);
-
- hw->mac.ops.get_mac_addr(hw, hw->mac.addr);
-
- return status;
-}
-
-/**
- * ixgbevf_reset_hw_vf - Performs hardware reset
- * @hw: pointer to hardware structure
- *
- * Resets the hardware by reseting the transmit and receive units, masks and
- * clears all interrupts.
- **/
-static s32 ixgbevf_reset_hw_vf(struct ixgbe_hw *hw)
-{
- struct ixgbe_mbx_info *mbx = &hw->mbx;
- u32 timeout = IXGBE_VF_INIT_TIMEOUT;
- s32 ret_val = IXGBE_ERR_INVALID_MAC_ADDR;
- u32 msgbuf[IXGBE_VF_PERMADDR_MSG_LEN];
- u8 *addr = (u8 *)(&msgbuf[1]);
-
- /* Call adapter stop to disable tx/rx and clear interrupts */
- hw->mac.ops.stop_adapter(hw);
-
- IXGBE_WRITE_REG(hw, IXGBE_VFCTRL, IXGBE_CTRL_RST);
- IXGBE_WRITE_FLUSH(hw);
-
- /* we cannot reset while the RSTI / RSTD bits are asserted */
- while (!mbx->ops.check_for_rst(hw) && timeout) {
- timeout--;
- udelay(5);
- }
-
- if (!timeout)
- return IXGBE_ERR_RESET_FAILED;
-
- /* mailbox timeout can now become active */
- mbx->timeout = IXGBE_VF_MBX_INIT_TIMEOUT;
-
- msgbuf[0] = IXGBE_VF_RESET;
- mbx->ops.write_posted(hw, msgbuf, 1);
-
- msleep(10);
-
- /* set our "perm_addr" based on info provided by PF */
- /* also set up the mc_filter_type which is piggy backed
- * on the mac address in word 3 */
- ret_val = mbx->ops.read_posted(hw, msgbuf, IXGBE_VF_PERMADDR_MSG_LEN);
- if (ret_val)
- return ret_val;
-
- if (msgbuf[0] != (IXGBE_VF_RESET | IXGBE_VT_MSGTYPE_ACK))
- return IXGBE_ERR_INVALID_MAC_ADDR;
-
- memcpy(hw->mac.perm_addr, addr, IXGBE_ETH_LENGTH_OF_ADDRESS);
- hw->mac.mc_filter_type = msgbuf[IXGBE_VF_MC_TYPE_WORD];
-
- return 0;
-}
-
-/**
- * ixgbevf_stop_hw_vf - Generic stop Tx/Rx units
- * @hw: pointer to hardware structure
- *
- * Sets the adapter_stopped flag within ixgbe_hw struct. Clears interrupts,
- * disables transmit and receive units. The adapter_stopped flag is used by
- * the shared code and drivers to determine if the adapter is in a stopped
- * state and should not touch the hardware.
- **/
-static s32 ixgbevf_stop_hw_vf(struct ixgbe_hw *hw)
-{
- u32 number_of_queues;
- u32 reg_val;
- u16 i;
-
- /*
- * Set the adapter_stopped flag so other driver functions stop touching
- * the hardware
- */
- hw->adapter_stopped = true;
-
- /* Disable the receive unit by stopped each queue */
- number_of_queues = hw->mac.max_rx_queues;
- for (i = 0; i < number_of_queues; i++) {
- reg_val = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i));
- if (reg_val & IXGBE_RXDCTL_ENABLE) {
- reg_val &= ~IXGBE_RXDCTL_ENABLE;
- IXGBE_WRITE_REG(hw, IXGBE_VFRXDCTL(i), reg_val);
- }
- }
-
- IXGBE_WRITE_FLUSH(hw);
-
- /* Clear interrupt mask to stop from interrupts being generated */
- IXGBE_WRITE_REG(hw, IXGBE_VTEIMC, IXGBE_VF_IRQ_CLEAR_MASK);
-
- /* Clear any pending interrupts */
- IXGBE_READ_REG(hw, IXGBE_VTEICR);
-
- /* Disable the transmit unit. Each queue must be disabled. */
- number_of_queues = hw->mac.max_tx_queues;
- for (i = 0; i < number_of_queues; i++) {
- reg_val = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i));
- if (reg_val & IXGBE_TXDCTL_ENABLE) {
- reg_val &= ~IXGBE_TXDCTL_ENABLE;
- IXGBE_WRITE_REG(hw, IXGBE_VFTXDCTL(i), reg_val);
- }
- }
-
- return 0;
-}
-
-/**
- * ixgbevf_mta_vector - Determines bit-vector in multicast table to set
- * @hw: pointer to hardware structure
- * @mc_addr: the multicast address
- *
- * Extracts the 12 bits, from a multicast address, to determine which
- * bit-vector to set in the multicast table. The hardware uses 12 bits, from
- * incoming rx multicast addresses, to determine the bit-vector to check in
- * the MTA. Which of the 4 combination, of 12-bits, the hardware uses is set
- * by the MO field of the MCSTCTRL. The MO field is set during initialization
- * to mc_filter_type.
- **/
-static s32 ixgbevf_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr)
-{
- u32 vector = 0;
-
- switch (hw->mac.mc_filter_type) {
- case 0: /* use bits [47:36] of the address */
- vector = ((mc_addr[4] >> 4) | (((u16)mc_addr[5]) << 4));
- break;
- case 1: /* use bits [46:35] of the address */
- vector = ((mc_addr[4] >> 3) | (((u16)mc_addr[5]) << 5));
- break;
- case 2: /* use bits [45:34] of the address */
- vector = ((mc_addr[4] >> 2) | (((u16)mc_addr[5]) << 6));
- break;
- case 3: /* use bits [43:32] of the address */
- vector = ((mc_addr[4]) | (((u16)mc_addr[5]) << 8));
- break;
- default: /* Invalid mc_filter_type */
- break;
- }
-
- /* vector can only be 12-bits or boundary will be exceeded */
- vector &= 0xFFF;
- return vector;
-}
-
-/**
- * ixgbevf_get_mac_addr_vf - Read device MAC address
- * @hw: pointer to the HW structure
- * @mac_addr: pointer to storage for retrieved MAC address
- **/
-static s32 ixgbevf_get_mac_addr_vf(struct ixgbe_hw *hw, u8 *mac_addr)
-{
- memcpy(mac_addr, hw->mac.perm_addr, IXGBE_ETH_LENGTH_OF_ADDRESS);
-
- return 0;
-}
-
-static s32 ixgbevf_set_uc_addr_vf(struct ixgbe_hw *hw, u32 index, u8 *addr)
-{
- struct ixgbe_mbx_info *mbx = &hw->mbx;
- u32 msgbuf[3];
- u8 *msg_addr = (u8 *)(&msgbuf[1]);
- s32 ret_val;
-
- memset(msgbuf, 0, sizeof(msgbuf));
- /*
- * If index is one then this is the start of a new list and needs
- * indication to the PF so it can do it's own list management.
- * If it is zero then that tells the PF to just clear all of
- * this VF's macvlans and there is no new list.
- */
- msgbuf[0] |= index << IXGBE_VT_MSGINFO_SHIFT;
- msgbuf[0] |= IXGBE_VF_SET_MACVLAN;
- if (addr)
- memcpy(msg_addr, addr, 6);
- ret_val = mbx->ops.write_posted(hw, msgbuf, 3);
-
- if (!ret_val)
- ret_val = mbx->ops.read_posted(hw, msgbuf, 3);
-
- msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS;
-
- if (!ret_val)
- if (msgbuf[0] ==
- (IXGBE_VF_SET_MACVLAN | IXGBE_VT_MSGTYPE_NACK))
- ret_val = -ENOMEM;
-
- return ret_val;
-}
-
-/**
- * ixgbevf_set_rar_vf - set device MAC address
- * @hw: pointer to hardware structure
- * @index: Receive address register to write
- * @addr: Address to put into receive address register
- * @vmdq: Unused in this implementation
- **/
-static s32 ixgbevf_set_rar_vf(struct ixgbe_hw *hw, u32 index, u8 *addr,
- u32 vmdq)
-{
- struct ixgbe_mbx_info *mbx = &hw->mbx;
- u32 msgbuf[3];
- u8 *msg_addr = (u8 *)(&msgbuf[1]);
- s32 ret_val;
-
- memset(msgbuf, 0, sizeof(msgbuf));
- msgbuf[0] = IXGBE_VF_SET_MAC_ADDR;
- memcpy(msg_addr, addr, 6);
- ret_val = mbx->ops.write_posted(hw, msgbuf, 3);
-
- if (!ret_val)
- ret_val = mbx->ops.read_posted(hw, msgbuf, 3);
-
- msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS;
-
- /* if nacked the address was rejected, use "perm_addr" */
- if (!ret_val &&
- (msgbuf[0] == (IXGBE_VF_SET_MAC_ADDR | IXGBE_VT_MSGTYPE_NACK)))
- ixgbevf_get_mac_addr_vf(hw, hw->mac.addr);
-
- return ret_val;
-}
-
-/**
- * ixgbevf_update_mc_addr_list_vf - Update Multicast addresses
- * @hw: pointer to the HW structure
- * @netdev: pointer to net device structure
- *
- * Updates the Multicast Table Array.
- **/
-static s32 ixgbevf_update_mc_addr_list_vf(struct ixgbe_hw *hw,
- struct net_device *netdev)
-{
- struct netdev_hw_addr *ha;
- struct ixgbe_mbx_info *mbx = &hw->mbx;
- u32 msgbuf[IXGBE_VFMAILBOX_SIZE];
- u16 *vector_list = (u16 *)&msgbuf[1];
- u32 cnt, i;
-
- /* Each entry in the list uses 1 16 bit word. We have 30
- * 16 bit words available in our HW msg buffer (minus 1 for the
- * msg type). That's 30 hash values if we pack 'em right. If
- * there are more than 30 MC addresses to add then punt the
- * extras for now and then add code to handle more than 30 later.
- * It would be unusual for a server to request that many multi-cast
- * addresses except for in large enterprise network environments.
- */
-
- cnt = netdev_mc_count(netdev);
- if (cnt > 30)
- cnt = 30;
- msgbuf[0] = IXGBE_VF_SET_MULTICAST;
- msgbuf[0] |= cnt << IXGBE_VT_MSGINFO_SHIFT;
-
- i = 0;
- netdev_for_each_mc_addr(ha, netdev) {
- if (i == cnt)
- break;
- vector_list[i++] = ixgbevf_mta_vector(hw, ha->addr);
- }
-
- mbx->ops.write_posted(hw, msgbuf, IXGBE_VFMAILBOX_SIZE);
-
- return 0;
-}
-
-/**
- * ixgbevf_set_vfta_vf - Set/Unset vlan filter table address
- * @hw: pointer to the HW structure
- * @vlan: 12 bit VLAN ID
- * @vind: unused by VF drivers
- * @vlan_on: if true then set bit, else clear bit
- **/
-static s32 ixgbevf_set_vfta_vf(struct ixgbe_hw *hw, u32 vlan, u32 vind,
- bool vlan_on)
-{
- struct ixgbe_mbx_info *mbx = &hw->mbx;
- u32 msgbuf[2];
-
- msgbuf[0] = IXGBE_VF_SET_VLAN;
- msgbuf[1] = vlan;
- /* Setting the 8 bit field MSG INFO to TRUE indicates "add" */
- msgbuf[0] |= vlan_on << IXGBE_VT_MSGINFO_SHIFT;
-
- return mbx->ops.write_posted(hw, msgbuf, 2);
-}
-
-/**
- * ixgbevf_setup_mac_link_vf - Setup MAC link settings
- * @hw: pointer to hardware structure
- * @speed: Unused in this implementation
- * @autoneg: Unused in this implementation
- * @autoneg_wait_to_complete: Unused in this implementation
- *
- * Do nothing and return success. VF drivers are not allowed to change
- * global settings. Maintained for driver compatibility.
- **/
-static s32 ixgbevf_setup_mac_link_vf(struct ixgbe_hw *hw,
- ixgbe_link_speed speed, bool autoneg,
- bool autoneg_wait_to_complete)
-{
- return 0;
-}
-
-/**
- * ixgbevf_check_mac_link_vf - Get link/speed status
- * @hw: pointer to hardware structure
- * @speed: pointer to link speed
- * @link_up: true is link is up, false otherwise
- * @autoneg_wait_to_complete: true when waiting for completion is needed
- *
- * Reads the links register to determine if link is up and the current speed
- **/
-static s32 ixgbevf_check_mac_link_vf(struct ixgbe_hw *hw,
- ixgbe_link_speed *speed,
- bool *link_up,
- bool autoneg_wait_to_complete)
-{
- u32 links_reg;
-
- if (!(hw->mbx.ops.check_for_rst(hw))) {
- *link_up = false;
- *speed = 0;
- return -1;
- }
-
- links_reg = IXGBE_READ_REG(hw, IXGBE_VFLINKS);
-
- if (links_reg & IXGBE_LINKS_UP)
- *link_up = true;
- else
- *link_up = false;
-
- if ((links_reg & IXGBE_LINKS_SPEED_82599) ==
- IXGBE_LINKS_SPEED_10G_82599)
- *speed = IXGBE_LINK_SPEED_10GB_FULL;
- else
- *speed = IXGBE_LINK_SPEED_1GB_FULL;
-
- return 0;
-}
-
-static struct ixgbe_mac_operations ixgbevf_mac_ops = {
- .init_hw = ixgbevf_init_hw_vf,
- .reset_hw = ixgbevf_reset_hw_vf,
- .start_hw = ixgbevf_start_hw_vf,
- .get_mac_addr = ixgbevf_get_mac_addr_vf,
- .stop_adapter = ixgbevf_stop_hw_vf,
- .setup_link = ixgbevf_setup_mac_link_vf,
- .check_link = ixgbevf_check_mac_link_vf,
- .set_rar = ixgbevf_set_rar_vf,
- .update_mc_addr_list = ixgbevf_update_mc_addr_list_vf,
- .set_uc_addr = ixgbevf_set_uc_addr_vf,
- .set_vfta = ixgbevf_set_vfta_vf,
-};
-
-struct ixgbevf_info ixgbevf_82599_vf_info = {
- .mac = ixgbe_mac_82599_vf,
- .mac_ops = &ixgbevf_mac_ops,
-};
-
-struct ixgbevf_info ixgbevf_X540_vf_info = {
- .mac = ixgbe_mac_X540_vf,
- .mac_ops = &ixgbevf_mac_ops,
-};