forked from Minki/linux
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: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Alexander Duyck
Jeff Kirsher
parent
b749fc9bff
commit
b3890e3074
@ -300,4 +300,23 @@ config I40EVF
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will be called i40evf. MSI-X interrupt support is required
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for this driver to work correctly.
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config FM10K
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tristate "Intel(R) FM10000 Ethernet Switch Host Interface Support"
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default n
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depends on PCI_MSI
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---help---
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This driver supports Intel(R) FM10000 Ethernet Switch Host
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Interface. For more information on how to identify your adapter,
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go to the Adapter & Driver ID Guide at:
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<http://support.intel.com/support/network/sb/CS-008441.htm>
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For general information and support, go to the Intel support
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website at:
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<http://support.intel.com>
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To compile this driver as a module, choose M here. The module
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will be called fm10k. MSI-X interrupt support is required
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endif # NET_VENDOR_INTEL
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@ -12,3 +12,4 @@ obj-$(CONFIG_IXGBEVF) += ixgbevf/
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obj-$(CONFIG_I40E) += i40e/
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obj-$(CONFIG_IXGB) += ixgb/
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obj-$(CONFIG_I40EVF) += i40evf/
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obj-$(CONFIG_FM10K) += fm10k/
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30
drivers/net/ethernet/intel/fm10k/Makefile
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30
drivers/net/ethernet/intel/fm10k/Makefile
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@ -0,0 +1,30 @@
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################################################################################
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#
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# Intel Ethernet Switch Host Interface Driver
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# Copyright(c) 2013 - 2014 Intel Corporation.
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms and conditions of the GNU General Public License,
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# version 2, as published by the Free Software Foundation.
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#
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# This program is distributed in the hope it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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# more details.
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#
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# The full GNU General Public License is included in this distribution in
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# the file called "COPYING".
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#
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# Contact Information:
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# e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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# Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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#
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################################################################################
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#
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# Makefile for the Intel(R) FM10000 Ethernet Switch Host Interface driver
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#
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obj-$(CONFIG_FM10K) += fm10k.o
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fm10k-objs := fm10k_main.o fm10k_pci.o
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39
drivers/net/ethernet/intel/fm10k/fm10k.h
Normal file
39
drivers/net/ethernet/intel/fm10k/fm10k.h
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@ -0,0 +1,39 @@
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/* Intel Ethernet Switch Host Interface Driver
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* Copyright(c) 2013 - 2014 Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* The full GNU General Public License is included in this distribution in
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* the file called "COPYING".
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*
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* Contact Information:
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* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*/
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#ifndef _FM10K_H_
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#define _FM10K_H_
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#include <linux/types.h>
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#include <linux/etherdevice.h>
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#include <linux/rtnetlink.h>
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#include <linux/if_vlan.h>
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#include <linux/pci.h>
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#include "fm10k_type.h"
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/* main */
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extern char fm10k_driver_name[];
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extern const char fm10k_driver_version[];
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/* PCI */
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int fm10k_register_pci_driver(void);
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void fm10k_unregister_pci_driver(void);
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#endif /* _FM10K_H_ */
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67
drivers/net/ethernet/intel/fm10k/fm10k_main.c
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67
drivers/net/ethernet/intel/fm10k/fm10k_main.c
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@ -0,0 +1,67 @@
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/* Intel Ethernet Switch Host Interface Driver
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* Copyright(c) 2013 - 2014 Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* The full GNU General Public License is included in this distribution in
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* the file called "COPYING".
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*
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* Contact Information:
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* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*/
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#include <linux/types.h>
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#include <linux/module.h>
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#include <net/ipv6.h>
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#include <net/ip.h>
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#include <net/tcp.h>
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#include <linux/if_macvlan.h>
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#include "fm10k.h"
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#define DRV_VERSION "0.12.2-k"
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const char fm10k_driver_version[] = DRV_VERSION;
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char fm10k_driver_name[] = "fm10k";
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static const char fm10k_driver_string[] =
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"Intel(R) Ethernet Switch Host Interface Driver";
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static const char fm10k_copyright[] =
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"Copyright (c) 2013 Intel Corporation.";
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MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");
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MODULE_DESCRIPTION("Intel(R) Ethernet Switch Host Interface Driver");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(DRV_VERSION);
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/** fm10k_init_module - Driver Registration Routine
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*
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* fm10k_init_module is the first routine called when the driver is
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* loaded. All it does is register with the PCI subsystem.
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**/
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static int __init fm10k_init_module(void)
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{
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pr_info("%s - version %s\n", fm10k_driver_string, fm10k_driver_version);
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pr_info("%s\n", fm10k_copyright);
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return fm10k_register_pci_driver();
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}
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module_init(fm10k_init_module);
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/**
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* fm10k_exit_module - Driver Exit Cleanup Routine
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*
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* fm10k_exit_module is called just before the driver is removed
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* from memory.
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**/
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static void __exit fm10k_exit_module(void)
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{
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fm10k_unregister_pci_driver();
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}
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module_exit(fm10k_exit_module);
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145
drivers/net/ethernet/intel/fm10k/fm10k_pci.c
Normal file
145
drivers/net/ethernet/intel/fm10k/fm10k_pci.c
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@ -0,0 +1,145 @@
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/* Intel Ethernet Switch Host Interface Driver
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* Copyright(c) 2013 - 2014 Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* The full GNU General Public License is included in this distribution in
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* the file called "COPYING".
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*
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* Contact Information:
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* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*/
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#include <linux/module.h>
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#include "fm10k.h"
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/**
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* fm10k_pci_tbl - PCI Device ID Table
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*
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* Wildcard entries (PCI_ANY_ID) should come last
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* Last entry must be all 0s
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*
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* { Vendor ID, Device ID, SubVendor ID, SubDevice ID,
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* Class, Class Mask, private data (not used) }
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*/
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static const struct pci_device_id fm10k_pci_tbl[] = {
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{ PCI_VDEVICE(INTEL, FM10K_DEV_ID_PF) },
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/* required last entry */
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{ 0, }
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};
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MODULE_DEVICE_TABLE(pci, fm10k_pci_tbl);
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/**
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* fm10k_probe - Device Initialization Routine
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* @pdev: PCI device information struct
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* @ent: entry in fm10k_pci_tbl
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*
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* Returns 0 on success, negative on failure
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*
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* fm10k_probe initializes an interface identified by a pci_dev structure.
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* The OS initialization, configuring of the interface private structure,
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* and a hardware reset occur.
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**/
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static int fm10k_probe(struct pci_dev *pdev,
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const struct pci_device_id *ent)
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{
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int err;
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u64 dma_mask;
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err = pci_enable_device_mem(pdev);
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if (err)
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return err;
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/* By default fm10k only supports a 48 bit DMA mask */
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dma_mask = DMA_BIT_MASK(48) | dma_get_required_mask(&pdev->dev);
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if ((dma_mask <= DMA_BIT_MASK(32)) ||
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dma_set_mask_and_coherent(&pdev->dev, dma_mask)) {
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dma_mask &= DMA_BIT_MASK(32);
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err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
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err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
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if (err) {
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err = dma_set_coherent_mask(&pdev->dev,
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DMA_BIT_MASK(32));
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if (err) {
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dev_err(&pdev->dev,
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"No usable DMA configuration, aborting\n");
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goto err_dma;
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}
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}
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}
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err = pci_request_selected_regions(pdev,
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pci_select_bars(pdev,
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IORESOURCE_MEM),
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fm10k_driver_name);
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if (err) {
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dev_err(&pdev->dev,
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"pci_request_selected_regions failed 0x%x\n", err);
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goto err_pci_reg;
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}
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pci_set_master(pdev);
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pci_save_state(pdev);
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return 0;
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err_pci_reg:
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err_dma:
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pci_disable_device(pdev);
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return err;
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}
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/**
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* fm10k_remove - Device Removal Routine
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* @pdev: PCI device information struct
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*
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* fm10k_remove is called by the PCI subsystem to alert the driver
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* that it should release a PCI device. The could be caused by a
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* Hot-Plug event, or because the driver is going to be removed from
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* memory.
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**/
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static void fm10k_remove(struct pci_dev *pdev)
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{
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pci_release_selected_regions(pdev,
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pci_select_bars(pdev, IORESOURCE_MEM));
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pci_disable_device(pdev);
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}
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static struct pci_driver fm10k_driver = {
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.name = fm10k_driver_name,
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.id_table = fm10k_pci_tbl,
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.probe = fm10k_probe,
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.remove = fm10k_remove,
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};
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/**
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* fm10k_register_pci_driver - register driver interface
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*
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* This funciton is called on module load in order to register the driver.
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**/
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int fm10k_register_pci_driver(void)
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{
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return pci_register_driver(&fm10k_driver);
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}
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/**
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* fm10k_unregister_pci_driver - unregister driver interface
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*
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* This funciton is called on module unload in order to remove the driver.
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**/
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void fm10k_unregister_pci_driver(void)
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{
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pci_unregister_driver(&fm10k_driver);
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}
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27
drivers/net/ethernet/intel/fm10k/fm10k_type.h
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27
drivers/net/ethernet/intel/fm10k/fm10k_type.h
Normal file
@ -0,0 +1,27 @@
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/* Intel Ethernet Switch Host Interface Driver
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* Copyright(c) 2013 - 2014 Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* The full GNU General Public License is included in this distribution in
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* the file called "COPYING".
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*
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* Contact Information:
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* e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
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* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
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*/
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#ifndef _FM10K_TYPE_H_
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#define _FM10K_TYPE_H_
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#define FM10K_DEV_ID_PF 0x15A4
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#define FM10K_DEV_ID_VF 0x15A5
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#endif /* _FM10K_TYPE_H */
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