Commit b3890e30 authored by Alexander Duyck's avatar Alexander Duyck Committed by Jeff Kirsher

fm10k: Add skeletal frame for Intel(R) FM10000 Ethernet Switch Host Interface Driver

This patch adds the beginning framework onto which I am going to add the
fm10k driver which supports the Intel(R) FM10000 Ethernet Switch Host
Interface.
Signed-off-by: default avatarAlexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
parent b749fc9b
......@@ -300,4 +300,23 @@ config I40EVF
will be called i40evf. MSI-X interrupt support is required
for this driver to work correctly.
config FM10K
tristate "Intel(R) FM10000 Ethernet Switch Host Interface Support"
default n
depends on PCI_MSI
---help---
This driver supports Intel(R) FM10000 Ethernet Switch Host
Interface. For more information on how to identify your adapter,
go to the Adapter & Driver ID Guide at:
<http://support.intel.com/support/network/sb/CS-008441.htm>
For general information and support, go to the Intel support
website at:
<http://support.intel.com>
To compile this driver as a module, choose M here. The module
will be called fm10k. MSI-X interrupt support is required
endif # NET_VENDOR_INTEL
......@@ -12,3 +12,4 @@ obj-$(CONFIG_IXGBEVF) += ixgbevf/
obj-$(CONFIG_I40E) += i40e/
obj-$(CONFIG_IXGB) += ixgb/
obj-$(CONFIG_I40EVF) += i40evf/
obj-$(CONFIG_FM10K) += fm10k/
################################################################################
#
# Intel Ethernet Switch Host Interface Driver
# Copyright(c) 2013 - 2014 Intel Corporation.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms and conditions of the GNU General Public License,
# version 2, as published by the Free Software Foundation.
#
# This program is distributed in the hope it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# The full GNU General Public License is included in this distribution in
# the file called "COPYING".
#
# Contact Information:
# e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
# Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
#
################################################################################
#
# Makefile for the Intel(R) FM10000 Ethernet Switch Host Interface driver
#
obj-$(CONFIG_FM10K) += fm10k.o
fm10k-objs := fm10k_main.o fm10k_pci.o
/* Intel Ethernet Switch Host Interface Driver
* Copyright(c) 2013 - 2014 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.
*
* 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
*/
#ifndef _FM10K_H_
#define _FM10K_H_
#include <linux/types.h>
#include <linux/etherdevice.h>
#include <linux/rtnetlink.h>
#include <linux/if_vlan.h>
#include <linux/pci.h>
#include "fm10k_type.h"
/* main */
extern char fm10k_driver_name[];
extern const char fm10k_driver_version[];
/* PCI */
int fm10k_register_pci_driver(void);
void fm10k_unregister_pci_driver(void);
#endif /* _FM10K_H_ */
/* Intel Ethernet Switch Host Interface Driver
* Copyright(c) 2013 - 2014 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.
*
* 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 <net/ipv6.h>
#include <net/ip.h>
#include <net/tcp.h>
#include <linux/if_macvlan.h>
#include "fm10k.h"
#define DRV_VERSION "0.12.2-k"
const char fm10k_driver_version[] = DRV_VERSION;
char fm10k_driver_name[] = "fm10k";
static const char fm10k_driver_string[] =
"Intel(R) Ethernet Switch Host Interface Driver";
static const char fm10k_copyright[] =
"Copyright (c) 2013 Intel Corporation.";
MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
MODULE_DESCRIPTION("Intel(R) Ethernet Switch Host Interface Driver");
MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
/** fm10k_init_module - Driver Registration Routine
*
* fm10k_init_module is the first routine called when the driver is
* loaded. All it does is register with the PCI subsystem.
**/
static int __init fm10k_init_module(void)
{
pr_info("%s - version %s\n", fm10k_driver_string, fm10k_driver_version);
pr_info("%s\n", fm10k_copyright);
return fm10k_register_pci_driver();
}
module_init(fm10k_init_module);
/**
* fm10k_exit_module - Driver Exit Cleanup Routine
*
* fm10k_exit_module is called just before the driver is removed
* from memory.
**/
static void __exit fm10k_exit_module(void)
{
fm10k_unregister_pci_driver();
}
module_exit(fm10k_exit_module);
/* Intel Ethernet Switch Host Interface Driver
* Copyright(c) 2013 - 2014 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.
*
* 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/module.h>
#include "fm10k.h"
/**
* fm10k_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) }
*/
static const struct pci_device_id fm10k_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, FM10K_DEV_ID_PF) },
/* required last entry */
{ 0, }
};
MODULE_DEVICE_TABLE(pci, fm10k_pci_tbl);
/**
* fm10k_probe - Device Initialization Routine
* @pdev: PCI device information struct
* @ent: entry in fm10k_pci_tbl
*
* Returns 0 on success, negative on failure
*
* fm10k_probe initializes an interface identified by a pci_dev structure.
* The OS initialization, configuring of the interface private structure,
* and a hardware reset occur.
**/
static int fm10k_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
int err;
u64 dma_mask;
err = pci_enable_device_mem(pdev);
if (err)
return err;
/* By default fm10k only supports a 48 bit DMA mask */
dma_mask = DMA_BIT_MASK(48) | dma_get_required_mask(&pdev->dev);
if ((dma_mask <= DMA_BIT_MASK(32)) ||
dma_set_mask_and_coherent(&pdev->dev, dma_mask)) {
dma_mask &= DMA_BIT_MASK(32);
err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
if (err) {
err = dma_set_coherent_mask(&pdev->dev,
DMA_BIT_MASK(32));
if (err) {
dev_err(&pdev->dev,
"No usable DMA configuration, aborting\n");
goto err_dma;
}
}
}
err = pci_request_selected_regions(pdev,
pci_select_bars(pdev,
IORESOURCE_MEM),
fm10k_driver_name);
if (err) {
dev_err(&pdev->dev,
"pci_request_selected_regions failed 0x%x\n", err);
goto err_pci_reg;
}
pci_set_master(pdev);
pci_save_state(pdev);
return 0;
err_pci_reg:
err_dma:
pci_disable_device(pdev);
return err;
}
/**
* fm10k_remove - Device Removal Routine
* @pdev: PCI device information struct
*
* fm10k_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.
**/
static void fm10k_remove(struct pci_dev *pdev)
{
pci_release_selected_regions(pdev,
pci_select_bars(pdev, IORESOURCE_MEM));
pci_disable_device(pdev);
}
static struct pci_driver fm10k_driver = {
.name = fm10k_driver_name,
.id_table = fm10k_pci_tbl,
.probe = fm10k_probe,
.remove = fm10k_remove,
};
/**
* fm10k_register_pci_driver - register driver interface
*
* This funciton is called on module load in order to register the driver.
**/
int fm10k_register_pci_driver(void)
{
return pci_register_driver(&fm10k_driver);
}
/**
* fm10k_unregister_pci_driver - unregister driver interface
*
* This funciton is called on module unload in order to remove the driver.
**/
void fm10k_unregister_pci_driver(void)
{
pci_unregister_driver(&fm10k_driver);
}
/* Intel Ethernet Switch Host Interface Driver
* Copyright(c) 2013 - 2014 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.
*
* 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
*/
#ifndef _FM10K_TYPE_H_
#define _FM10K_TYPE_H_
#define FM10K_DEV_ID_PF 0x15A4
#define FM10K_DEV_ID_VF 0x15A5
#endif /* _FM10K_TYPE_H */
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