svn commit: r280182 - in head/sys: amd64/conf conf dev/ixgbe modules/ix modules/ixgbe modules/ixv

Nathan Whitehorn nwhitehorn at freebsd.org
Wed Mar 18 15:20:48 UTC 2015



On 03/17/15 11:32, Jack F Vogel wrote:
> Author: jfv
> Date: Tue Mar 17 18:32:28 2015
> New Revision: 280182
> URL: https://svnweb.freebsd.org/changeset/base/280182
>
> Log:
>    Update to the Intel ixgbe driver:
>    	- Split the driver into independent pf and vf loadables. This is
>    	  in preparation for SRIOV support which will be following shortly.
>    	  This also allows us to keep a seperate revision control over the
>    	  two parts, making for easier sustaining.
>    	- Make the TX/RX code a shared/seperated file, in the old code base
>    	  the ixv code would miss fixes that went into ixgbe, this model
>    	  will eliminate that problem.
>    	- The driver loadables will now match the device names, something that
>    	  has been requested for some time.
>    	- Rather than a modules/ixgbe there is now modules/ix and modules/ixv
>    	- It will also be possible to make your static kernel with only one
>    	  or the other for streamlined installs, or both.
>    
>    Enjoy!
>    
>    Submitted by: jfv and erj
>
> Added:
>    head/sys/dev/ixgbe/if_ix.c   (contents, props changed)
>    head/sys/dev/ixgbe/if_ixv.c   (contents, props changed)
>    head/sys/dev/ixgbe/ix_txrx.c   (contents, props changed)
>    head/sys/modules/ix/
>    head/sys/modules/ix/Makefile   (contents, props changed)
>    head/sys/modules/ixv/
>    head/sys/modules/ixv/Makefile   (contents, props changed)
> Deleted:
>    head/sys/dev/ixgbe/ixgbe.c
>    head/sys/dev/ixgbe/ixv.c
>    head/sys/dev/ixgbe/ixv.h
>    head/sys/modules/ixgbe/
> Modified:
>    head/sys/amd64/conf/GENERIC

Note that the mips OCTEON1 and PowerPC GENERIC64 config files also need 
to be changed here and are currently unbuildable.
-Nathan

>    head/sys/conf/NOTES
>    head/sys/conf/files
>    head/sys/dev/ixgbe/LICENSE
>    head/sys/dev/ixgbe/ixgbe.h
>    head/sys/dev/ixgbe/ixgbe_82598.c
>    head/sys/dev/ixgbe/ixgbe_82598.h
>    head/sys/dev/ixgbe/ixgbe_82599.c
>    head/sys/dev/ixgbe/ixgbe_82599.h
>    head/sys/dev/ixgbe/ixgbe_api.c
>    head/sys/dev/ixgbe/ixgbe_api.h
>    head/sys/dev/ixgbe/ixgbe_common.c
>    head/sys/dev/ixgbe/ixgbe_common.h
>    head/sys/dev/ixgbe/ixgbe_dcb.c
>    head/sys/dev/ixgbe/ixgbe_dcb.h
>    head/sys/dev/ixgbe/ixgbe_dcb_82598.c
>    head/sys/dev/ixgbe/ixgbe_dcb_82598.h
>    head/sys/dev/ixgbe/ixgbe_dcb_82599.c
>    head/sys/dev/ixgbe/ixgbe_dcb_82599.h
>    head/sys/dev/ixgbe/ixgbe_mbx.c
>    head/sys/dev/ixgbe/ixgbe_mbx.h
>    head/sys/dev/ixgbe/ixgbe_phy.c
>    head/sys/dev/ixgbe/ixgbe_phy.h
>    head/sys/dev/ixgbe/ixgbe_type.h
>    head/sys/dev/ixgbe/ixgbe_vf.c
>    head/sys/dev/ixgbe/ixgbe_vf.h
>    head/sys/dev/ixgbe/ixgbe_x540.c
>    head/sys/dev/ixgbe/ixgbe_x540.h
>
> Modified: head/sys/amd64/conf/GENERIC
> ==============================================================================
> --- head/sys/amd64/conf/GENERIC	Tue Mar 17 15:48:19 2015	(r280181)
> +++ head/sys/amd64/conf/GENERIC	Tue Mar 17 18:32:28 2015	(r280182)
> @@ -216,7 +216,8 @@ device		bxe			# Broadcom NetXtreme II BC
>   device		de			# DEC/Intel DC21x4x (``Tulip'')
>   device		em			# Intel PRO/1000 Gigabit Ethernet Family
>   device		igb			# Intel PRO/1000 PCIE Server Gigabit Family
> -device		ixgbe			# Intel PRO/10GbE PCIE Ethernet Family
> +device		ix			# Intel PRO/10GbE PCIE PF Ethernet
> +device		ixv			# Intel PRO/10GbE PCIE VF Ethernet
>   device		ixl			# Intel XL710 40Gbe PCIE Ethernet
>   device		ixlv			# Intel XL710 40Gbe VF PCIE Ethernet
>   device		le			# AMD Am7900 LANCE and Am79C9xx PCnet
>
> Modified: head/sys/conf/NOTES
> ==============================================================================
> --- head/sys/conf/NOTES	Tue Mar 17 15:48:19 2015	(r280181)
> +++ head/sys/conf/NOTES	Tue Mar 17 18:32:28 2015	(r280182)
> @@ -2100,7 +2100,8 @@ device		de		# DEC/Intel DC21x4x (``Tulip
>   device		em		# Intel Pro/1000 Gigabit Ethernet
>   device		igb		# Intel Pro/1000 PCIE Gigabit Ethernet
>   device		ixgb		# Intel Pro/10Gbe PCI-X Ethernet
> -device		ixgbe		# Intel Pro/10Gbe PCIE Ethernet
> +device		ix		# Intel Pro/10Gbe PCIE Ethernet
> +device		ixv		# Intel Pro/10Gbe PCIE Ethernet VF
>   device		le		# AMD Am7900 LANCE and Am79C9xx PCnet
>   device		mxge		# Myricom Myri-10G 10GbE NIC
>   device		nxge		# Neterion Xframe 10GbE Server/Storage Adapter
>
> Modified: head/sys/conf/files
> ==============================================================================
> --- head/sys/conf/files	Tue Mar 17 15:48:19 2015	(r280181)
> +++ head/sys/conf/files	Tue Mar 17 18:32:28 2015	(r280182)
> @@ -1769,31 +1769,31 @@ iwn6050.fw			optional iwn6050fw | iwnfw	
>   dev/ixgb/if_ixgb.c		optional ixgb
>   dev/ixgb/ixgb_ee.c		optional ixgb
>   dev/ixgb/ixgb_hw.c		optional ixgb
> -dev/ixgbe/ixgbe.c		optional ixgbe inet \
> +dev/ixgbe/if_ix.c		optional ix inet \
>   	compile-with "${NORMAL_C} -I$S/dev/ixgbe -DSMP"
> -dev/ixgbe/ixv.c			optional ixgbe inet \
> -	compile-with "${NORMAL_C} -I$S/dev/ixgbe"
> -dev/ixgbe/ixgbe_phy.c		optional ixgbe inet \
> +dev/ixgbe/if_ixv.c		optional ixv inet \
> +	compile-with "${NORMAL_C} -I$S/dev/ixgbe -DSMP"
> +dev/ixgbe/ixgbe_phy.c		optional ix ixv inet \
>   	compile-with "${NORMAL_C} -I$S/dev/ixgbe"
> -dev/ixgbe/ixgbe_api.c		optional ixgbe inet \
> +dev/ixgbe/ixgbe_api.c		optional ix ixv inet \
>   	compile-with "${NORMAL_C} -I$S/dev/ixgbe"
> -dev/ixgbe/ixgbe_common.c	optional ixgbe inet \
> +dev/ixgbe/ixgbe_common.c	optional ix ixv inet \
>   	compile-with "${NORMAL_C} -I$S/dev/ixgbe"
> -dev/ixgbe/ixgbe_mbx.c		optional ixgbe inet \
> +dev/ixgbe/ixgbe_mbx.c		optional ix ixv inet \
>   	compile-with "${NORMAL_C} -I$S/dev/ixgbe"
> -dev/ixgbe/ixgbe_vf.c		optional ixgbe inet \
> +dev/ixgbe/ixgbe_vf.c		optional ix ixv inet \
>   	compile-with "${NORMAL_C} -I$S/dev/ixgbe"
> -dev/ixgbe/ixgbe_82598.c		optional ixgbe inet \
> +dev/ixgbe/ixgbe_82598.c		optional ix ixv inet \
>   	compile-with "${NORMAL_C} -I$S/dev/ixgbe"
> -dev/ixgbe/ixgbe_82599.c		optional ixgbe inet \
> +dev/ixgbe/ixgbe_82599.c		optional ix ixv inet \
>   	compile-with "${NORMAL_C} -I$S/dev/ixgbe"
> -dev/ixgbe/ixgbe_x540.c		optional ixgbe inet \
> +dev/ixgbe/ixgbe_x540.c		optional ix ixv inet \
>   	compile-with "${NORMAL_C} -I$S/dev/ixgbe"
> -dev/ixgbe/ixgbe_dcb.c		optional ixgbe inet \
> +dev/ixgbe/ixgbe_dcb.c		optional ix ixv inet \
>   	compile-with "${NORMAL_C} -I$S/dev/ixgbe"
> -dev/ixgbe/ixgbe_dcb_82598.c	optional ixgbe inet \
> +dev/ixgbe/ixgbe_dcb_82598.c	optional ix ixv inet \
>   	compile-with "${NORMAL_C} -I$S/dev/ixgbe"
> -dev/ixgbe/ixgbe_dcb_82599.c	optional ixgbe inet \
> +dev/ixgbe/ixgbe_dcb_82599.c	optional ix ixv inet \
>   	compile-with "${NORMAL_C} -I$S/dev/ixgbe"
>   dev/jme/if_jme.c		optional jme pci
>   dev/joy/joy.c			optional joy
>
> Modified: head/sys/dev/ixgbe/LICENSE
> ==============================================================================
> --- head/sys/dev/ixgbe/LICENSE	Tue Mar 17 15:48:19 2015	(r280181)
> +++ head/sys/dev/ixgbe/LICENSE	Tue Mar 17 18:32:28 2015	(r280182)
> @@ -1,6 +1,6 @@
>   /******************************************************************************
>   
> -  Copyright (c) 2001-2013, Intel Corporation
> +  Copyright (c) 2001-2015, Intel Corporation
>     All rights reserved.
>     
>     Redistribution and use in source and binary forms, with or without
>
> Added: head/sys/dev/ixgbe/if_ix.c
> ==============================================================================
> --- /dev/null	00:00:00 1970	(empty, because file is newly added)
> +++ head/sys/dev/ixgbe/if_ix.c	Tue Mar 17 18:32:28 2015	(r280182)
> @@ -0,0 +1,4163 @@
> +/******************************************************************************
> +
> +  Copyright (c) 2001-2015, Intel Corporation
> +  All rights reserved.
> +
> +  Redistribution and use in source and binary forms, with or without
> +  modification, are permitted provided that the following conditions are met:
> +
> +   1. Redistributions of source code must retain the above copyright notice,
> +      this list of conditions and the following disclaimer.
> +
> +   2. Redistributions in binary form must reproduce the above copyright
> +      notice, this list of conditions and the following disclaimer in the
> +      documentation and/or other materials provided with the distribution.
> +
> +   3. Neither the name of the Intel Corporation nor the names of its
> +      contributors may be used to endorse or promote products derived from
> +      this software without specific prior written permission.
> +
> +  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
> +  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> +  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> +  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
> +  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> +  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> +  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
> +  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> +  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> +  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
> +  POSSIBILITY OF SUCH DAMAGE.
> +
> +******************************************************************************/
> +/*$FreeBSD$*/
> +
> +
> +#ifndef IXGBE_STANDALONE_BUILD
> +#include "opt_inet.h"
> +#include "opt_inet6.h"
> +#include "opt_rss.h"
> +#endif
> +
> +#include "ixgbe.h"
> +
> +#ifdef	RSS
> +#include <netinet/in_rss.h>
> +#endif
> +
> +/*********************************************************************
> + *  Set this to one to display debug statistics
> + *********************************************************************/
> +int             ixgbe_display_debug_stats = 0;
> +
> +/*********************************************************************
> + *  Driver version
> + *********************************************************************/
> +char ixgbe_driver_version[] = "2.7.4";
> +
> +/*********************************************************************
> + *  PCI Device ID Table
> + *
> + *  Used by probe to select devices to load on
> + *  Last field stores an index into ixgbe_strings
> + *  Last entry must be all 0s
> + *
> + *  { Vendor ID, Device ID, SubVendor ID, SubDevice ID, String Index }
> + *********************************************************************/
> +
> +static ixgbe_vendor_info_t ixgbe_vendor_info_array[] =
> +{
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_DUAL_PORT, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AF_SINGLE_PORT, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_CX4, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598AT2, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_DA_DUAL_PORT, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_CX4_DUAL_PORT, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_XF_LR, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82598EB_SFP_LOM, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_KX4_MEZZ, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_XAUI_LOM, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_CX4, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_T3_LOM, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_COMBO_BACKPLANE, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_BACKPLANE_FCOE, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF2, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_FCOE, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599EN_SFP, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_SFP_SF_QP, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_82599_QSFP_SF_QP, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X540T1, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550T, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KR, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_KX4, 0, 0, 0},
> +	{IXGBE_INTEL_VENDOR_ID, IXGBE_DEV_ID_X550EM_X_10G_T, 0, 0, 0},
> +	/* required last entry */
> +	{0, 0, 0, 0, 0}
> +};
> +
> +/*********************************************************************
> + *  Table of branding strings
> + *********************************************************************/
> +
> +static char    *ixgbe_strings[] = {
> +	"Intel(R) PRO/10GbE PCI-Express Network Driver"
> +};
> +
> +/*********************************************************************
> + *  Function prototypes
> + *********************************************************************/
> +static int      ixgbe_probe(device_t);
> +static int      ixgbe_attach(device_t);
> +static int      ixgbe_detach(device_t);
> +static int      ixgbe_shutdown(device_t);
> +static int      ixgbe_ioctl(struct ifnet *, u_long, caddr_t);
> +static void	ixgbe_init(void *);
> +static void	ixgbe_init_locked(struct adapter *);
> +static void     ixgbe_stop(void *);
> +#if __FreeBSD_version >= 1100036
> +static uint64_t	ixgbe_get_counter(struct ifnet *, ift_counter);
> +#endif
> +static void	ixgbe_add_media_types(struct adapter *);
> +static void     ixgbe_media_status(struct ifnet *, struct ifmediareq *);
> +static int      ixgbe_media_change(struct ifnet *);
> +static void     ixgbe_identify_hardware(struct adapter *);
> +static int      ixgbe_allocate_pci_resources(struct adapter *);
> +static void	ixgbe_get_slot_info(struct ixgbe_hw *);
> +static int      ixgbe_allocate_msix(struct adapter *);
> +static int      ixgbe_allocate_legacy(struct adapter *);
> +static int	ixgbe_setup_msix(struct adapter *);
> +static void	ixgbe_free_pci_resources(struct adapter *);
> +static void	ixgbe_local_timer(void *);
> +static int	ixgbe_setup_interface(device_t, struct adapter *);
> +static void	ixgbe_config_link(struct adapter *);
> +static void	ixgbe_rearm_queues(struct adapter *, u64);
> +
> +static void     ixgbe_initialize_transmit_units(struct adapter *);
> +static void     ixgbe_initialize_receive_units(struct adapter *);
> +static void	ixgbe_enable_rx_drop(struct adapter *);
> +static void	ixgbe_disable_rx_drop(struct adapter *);
> +
> +static void     ixgbe_enable_intr(struct adapter *);
> +static void     ixgbe_disable_intr(struct adapter *);
> +static void     ixgbe_update_stats_counters(struct adapter *);
> +static void     ixgbe_set_promisc(struct adapter *);
> +static void     ixgbe_set_multi(struct adapter *);
> +static void     ixgbe_update_link_status(struct adapter *);
> +static int	ixgbe_set_flowcntl(SYSCTL_HANDLER_ARGS);
> +static int	ixgbe_set_advertise(SYSCTL_HANDLER_ARGS);
> +static int	ixgbe_set_thermal_test(SYSCTL_HANDLER_ARGS);
> +static void	ixgbe_set_ivar(struct adapter *, u8, u8, s8);
> +static void	ixgbe_configure_ivars(struct adapter *);
> +static u8 *	ixgbe_mc_array_itr(struct ixgbe_hw *, u8 **, u32 *);
> +
> +static void	ixgbe_setup_vlan_hw_support(struct adapter *);
> +static void	ixgbe_register_vlan(void *, struct ifnet *, u16);
> +static void	ixgbe_unregister_vlan(void *, struct ifnet *, u16);
> +
> +static void     ixgbe_add_hw_stats(struct adapter *adapter);
> +
> +/* Support for pluggable optic modules */
> +static bool	ixgbe_sfp_probe(struct adapter *);
> +static void	ixgbe_setup_optics(struct adapter *);
> +
> +/* Legacy (single vector interrupt handler */
> +static void	ixgbe_legacy_irq(void *);
> +
> +/* The MSI/X Interrupt handlers */
> +static void	ixgbe_msix_que(void *);
> +static void	ixgbe_msix_link(void *);
> +
> +/* Deferred interrupt tasklets */
> +static void	ixgbe_handle_que(void *, int);
> +static void	ixgbe_handle_link(void *, int);
> +static void	ixgbe_handle_msf(void *, int);
> +static void	ixgbe_handle_mod(void *, int);
> +
> +#ifdef IXGBE_FDIR
> +static void	ixgbe_reinit_fdir(void *, int);
> +#endif
> +
> +
> +/* Missing shared code prototype */
> +extern void ixgbe_stop_mac_link_on_d3_82599(struct ixgbe_hw *hw);
> +
> +/*********************************************************************
> + *  FreeBSD Device Interface Entry Points
> + *********************************************************************/
> +
> +static device_method_t ixgbe_methods[] = {
> +	/* Device interface */
> +	DEVMETHOD(device_probe, ixgbe_probe),
> +	DEVMETHOD(device_attach, ixgbe_attach),
> +	DEVMETHOD(device_detach, ixgbe_detach),
> +	DEVMETHOD(device_shutdown, ixgbe_shutdown),
> +	DEVMETHOD_END
> +};
> +
> +static driver_t ixgbe_driver = {
> +	"ix", ixgbe_methods, sizeof(struct adapter),
> +};
> +
> +devclass_t ixgbe_devclass;
> +DRIVER_MODULE(ixgbe, pci, ixgbe_driver, ixgbe_devclass, 0, 0);
> +
> +MODULE_DEPEND(ixgbe, pci, 1, 1, 1);
> +MODULE_DEPEND(ixgbe, ether, 1, 1, 1);
> +
> +/*
> +** TUNEABLE PARAMETERS:
> +*/
> +
> +static SYSCTL_NODE(_hw, OID_AUTO, ix, CTLFLAG_RD, 0,
> +		   "IXGBE driver parameters");
> +
> +/*
> +** AIM: Adaptive Interrupt Moderation
> +** which means that the interrupt rate
> +** is varied over time based on the
> +** traffic for that interrupt vector
> +*/
> +static int ixgbe_enable_aim = TRUE;
> +SYSCTL_INT(_hw_ix, OID_AUTO, enable_aim, CTLFLAG_RWTUN, &ixgbe_enable_aim, 0,
> +    "Enable adaptive interrupt moderation");
> +
> +static int ixgbe_max_interrupt_rate = (4000000 / IXGBE_LOW_LATENCY);
> +SYSCTL_INT(_hw_ix, OID_AUTO, max_interrupt_rate, CTLFLAG_RDTUN,
> +    &ixgbe_max_interrupt_rate, 0, "Maximum interrupts per second");
> +
> +/* How many packets rxeof tries to clean at a time */
> +static int ixgbe_rx_process_limit = 256;
> +TUNABLE_INT("hw.ixgbe.rx_process_limit", &ixgbe_rx_process_limit);
> +SYSCTL_INT(_hw_ix, OID_AUTO, rx_process_limit, CTLFLAG_RDTUN,
> +    &ixgbe_rx_process_limit, 0,
> +    "Maximum number of received packets to process at a time,"
> +    "-1 means unlimited");
> +
> +/* How many packets txeof tries to clean at a time */
> +static int ixgbe_tx_process_limit = 256;
> +TUNABLE_INT("hw.ixgbe.tx_process_limit", &ixgbe_tx_process_limit);
> +SYSCTL_INT(_hw_ix, OID_AUTO, tx_process_limit, CTLFLAG_RDTUN,
> +    &ixgbe_tx_process_limit, 0,
> +    "Maximum number of sent packets to process at a time,"
> +    "-1 means unlimited");
> +
> +/*
> +** Smart speed setting, default to on
> +** this only works as a compile option
> +** right now as its during attach, set
> +** this to 'ixgbe_smart_speed_off' to
> +** disable.
> +*/
> +static int ixgbe_smart_speed = ixgbe_smart_speed_on;
> +
> +/*
> + * MSIX should be the default for best performance,
> + * but this allows it to be forced off for testing.
> + */
> +static int ixgbe_enable_msix = 1;
> +SYSCTL_INT(_hw_ix, OID_AUTO, enable_msix, CTLFLAG_RDTUN, &ixgbe_enable_msix, 0,
> +    "Enable MSI-X interrupts");
> +
> +/*
> + * Number of Queues, can be set to 0,
> + * it then autoconfigures based on the
> + * number of cpus with a max of 8. This
> + * can be overriden manually here.
> + */
> +static int ixgbe_num_queues = 0;
> +SYSCTL_INT(_hw_ix, OID_AUTO, num_queues, CTLFLAG_RDTUN, &ixgbe_num_queues, 0,
> +    "Number of queues to configure, 0 indicates autoconfigure");
> +
> +/*
> +** Number of TX descriptors per ring,
> +** setting higher than RX as this seems
> +** the better performing choice.
> +*/
> +static int ixgbe_txd = PERFORM_TXD;
> +SYSCTL_INT(_hw_ix, OID_AUTO, txd, CTLFLAG_RDTUN, &ixgbe_txd, 0,
> +    "Number of transmit descriptors per queue");
> +
> +/* Number of RX descriptors per ring */
> +static int ixgbe_rxd = PERFORM_RXD;
> +SYSCTL_INT(_hw_ix, OID_AUTO, rxd, CTLFLAG_RDTUN, &ixgbe_rxd, 0,
> +    "Number of receive descriptors per queue");
> +
> +/*
> +** Defining this on will allow the use
> +** of unsupported SFP+ modules, note that
> +** doing so you are on your own :)
> +*/
> +static int allow_unsupported_sfp = FALSE;
> +TUNABLE_INT("hw.ix.unsupported_sfp", &allow_unsupported_sfp);
> +
> +/* Keep running tab on them for sanity check */
> +static int ixgbe_total_ports;
> +
> +#ifdef IXGBE_FDIR
> +/*
> +** Flow Director actually 'steals'
> +** part of the packet buffer as its
> +** filter pool, this variable controls
> +** how much it uses:
> +**  0 = 64K, 1 = 128K, 2 = 256K
> +*/
> +static int fdir_pballoc = 1;
> +#endif
> +
> +#ifdef DEV_NETMAP
> +/*
> + * The #ifdef DEV_NETMAP / #endif blocks in this file are meant to
> + * be a reference on how to implement netmap support in a driver.
> + * Additional comments are in ixgbe_netmap.h .
> + *
> + * <dev/netmap/ixgbe_netmap.h> contains functions for netmap support
> + * that extend the standard driver.
> + */
> +#include <dev/netmap/ixgbe_netmap.h>
> +#endif /* DEV_NETMAP */
> +
> +/*********************************************************************
> + *  Device identification routine
> + *
> + *  ixgbe_probe determines if the driver should be loaded on
> + *  adapter based on PCI vendor/device id of the adapter.
> + *
> + *  return BUS_PROBE_DEFAULT on success, positive on failure
> + *********************************************************************/
> +
> +static int
> +ixgbe_probe(device_t dev)
> +{
> +	ixgbe_vendor_info_t *ent;
> +
> +	u16	pci_vendor_id = 0;
> +	u16	pci_device_id = 0;
> +	u16	pci_subvendor_id = 0;
> +	u16	pci_subdevice_id = 0;
> +	char	adapter_name[256];
> +
> +	INIT_DEBUGOUT("ixgbe_probe: begin");
> +
> +	pci_vendor_id = pci_get_vendor(dev);
> +	if (pci_vendor_id != IXGBE_INTEL_VENDOR_ID)
> +		return (ENXIO);
> +
> +	pci_device_id = pci_get_device(dev);
> +	pci_subvendor_id = pci_get_subvendor(dev);
> +	pci_subdevice_id = pci_get_subdevice(dev);
> +
> +	ent = ixgbe_vendor_info_array;
> +	while (ent->vendor_id != 0) {
> +		if ((pci_vendor_id == ent->vendor_id) &&
> +		    (pci_device_id == ent->device_id) &&
> +
> +		    ((pci_subvendor_id == ent->subvendor_id) ||
> +		     (ent->subvendor_id == 0)) &&
> +
> +		    ((pci_subdevice_id == ent->subdevice_id) ||
> +		     (ent->subdevice_id == 0))) {
> +			sprintf(adapter_name, "%s, Version - %s",
> +				ixgbe_strings[ent->index],
> +				ixgbe_driver_version);
> +			device_set_desc_copy(dev, adapter_name);
> +			++ixgbe_total_ports;
> +			return (BUS_PROBE_DEFAULT);
> +		}
> +		ent++;
> +	}
> +	return (ENXIO);
> +}
> +
> +/*********************************************************************
> + *  Device initialization routine
> + *
> + *  The attach entry point is called when the driver is being loaded.
> + *  This routine identifies the type of hardware, allocates all resources
> + *  and initializes the hardware.
> + *
> + *  return 0 on success, positive on failure
> + *********************************************************************/
> +
> +static int
> +ixgbe_attach(device_t dev)
> +{
> +	struct adapter *adapter;
> +	struct ixgbe_hw *hw;
> +	int             error = 0;
> +	u16		csum;
> +	u32		ctrl_ext;
> +
> +	INIT_DEBUGOUT("ixgbe_attach: begin");
> +
> +	/* Allocate, clear, and link in our adapter structure */
> +	adapter = device_get_softc(dev);
> +	adapter->dev = adapter->osdep.dev = dev;
> +	hw = &adapter->hw;
> +
> +	/* Core Lock Init*/
> +	IXGBE_CORE_LOCK_INIT(adapter, device_get_nameunit(dev));
> +
> +	/* SYSCTL APIs */
> +	SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
> +			SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
> +			OID_AUTO, "fc", CTLTYPE_INT | CTLFLAG_RW,
> +			adapter, 0, ixgbe_set_flowcntl, "I", IXGBE_SYSCTL_DESC_SET_FC);
> +
> +        SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
> +			SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
> +			OID_AUTO, "enable_aim", CTLFLAG_RW,
> +			&ixgbe_enable_aim, 1, "Interrupt Moderation");
> +
> +	/*
> +	** Allow a kind of speed control by forcing the autoneg
> +	** advertised speed list to only a certain value, this
> +	** supports 1G on 82599 devices, and 100Mb on x540.
> +	*/
> +	SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
> +			SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
> +			OID_AUTO, "advertise_speed", CTLTYPE_INT | CTLFLAG_RW,
> +			adapter, 0, ixgbe_set_advertise, "I", IXGBE_SYSCTL_DESC_ADV_SPEED);
> +
> +	SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
> +			SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
> +			OID_AUTO, "ts", CTLTYPE_INT | CTLFLAG_RW, adapter,
> +			0, ixgbe_set_thermal_test, "I", "Thermal Test");
> +
> +	/* Set up the timer callout */
> +	callout_init_mtx(&adapter->timer, &adapter->core_mtx, 0);
> +
> +	/* Determine hardware revision */
> +	ixgbe_identify_hardware(adapter);
> +
> +	/* Do base PCI setup - map BAR0 */
> +	if (ixgbe_allocate_pci_resources(adapter)) {
> +		device_printf(dev, "Allocation of PCI resources failed\n");
> +		error = ENXIO;
> +		goto err_out;
> +	}
> +
> +	/* Do descriptor calc and sanity checks */
> +	if (((ixgbe_txd * sizeof(union ixgbe_adv_tx_desc)) % DBA_ALIGN) != 0 ||
> +	    ixgbe_txd < MIN_TXD || ixgbe_txd > MAX_TXD) {
> +		device_printf(dev, "TXD config issue, using default!\n");
> +		adapter->num_tx_desc = DEFAULT_TXD;
> +	} else
> +		adapter->num_tx_desc = ixgbe_txd;
> +
> +	/*
> +	** With many RX rings it is easy to exceed the
> +	** system mbuf allocation. Tuning nmbclusters
> +	** can alleviate this.
> +	*/
> +	if (nmbclusters > 0) {
> +		int s;
> +		s = (ixgbe_rxd * adapter->num_queues) * ixgbe_total_ports;
> +		if (s > nmbclusters) {
> +			device_printf(dev, "RX Descriptors exceed "
> +			    "system mbuf max, using default instead!\n");
> +			ixgbe_rxd = DEFAULT_RXD;
> +		}
> +	}
> +
> +	if (((ixgbe_rxd * sizeof(union ixgbe_adv_rx_desc)) % DBA_ALIGN) != 0 ||
> +	    ixgbe_rxd < MIN_RXD || ixgbe_rxd > MAX_RXD) {
> +		device_printf(dev, "RXD config issue, using default!\n");
> +		adapter->num_rx_desc = DEFAULT_RXD;
> +	} else
> +		adapter->num_rx_desc = ixgbe_rxd;
> +
> +	/* Allocate our TX/RX Queues */
> +	if (ixgbe_allocate_queues(adapter)) {
> +		error = ENOMEM;
> +		goto err_out;
> +	}
> +
> +	/* Allocate multicast array memory. */
> +	adapter->mta = malloc(sizeof(u8) * IXGBE_ETH_LENGTH_OF_ADDRESS *
> +	    MAX_NUM_MULTICAST_ADDRESSES, M_DEVBUF, M_NOWAIT);
> +	if (adapter->mta == NULL) {
> +		device_printf(dev, "Can not allocate multicast setup array\n");
> +		error = ENOMEM;
> +		goto err_late;
> +	}
> +
> +	/* Initialize the shared code */
> +	hw->allow_unsupported_sfp = allow_unsupported_sfp;
> +	error = ixgbe_init_shared_code(hw);
> +	if (error == IXGBE_ERR_SFP_NOT_PRESENT) {
> +		/*
> +		** No optics in this port, set up
> +		** so the timer routine will probe
> +		** for later insertion.
> +		*/
> +		adapter->sfp_probe = TRUE;
> +		error = 0;
> +	} else if (error == IXGBE_ERR_SFP_NOT_SUPPORTED) {
> +		device_printf(dev,"Unsupported SFP+ module detected!\n");
> +		error = EIO;
> +		goto err_late;
> +	} else if (error) {
> +		device_printf(dev,"Unable to initialize the shared code\n");
> +		error = EIO;
> +		goto err_late;
> +	}
> +
> +	/* Make sure we have a good EEPROM before we read from it */
> +	if (ixgbe_validate_eeprom_checksum(&adapter->hw, &csum) < 0) {
> +		device_printf(dev,"The EEPROM Checksum Is Not Valid\n");
> +		error = EIO;
> +		goto err_late;
> +	}
> +
> +	error = ixgbe_init_hw(hw);
> +	switch (error) {
> +	case IXGBE_ERR_EEPROM_VERSION:
> +		device_printf(dev, "This device is a pre-production adapter/"
> +		    "LOM.  Please be aware there may be issues associated "
> +		    "with your hardware.\n If you are experiencing problems "
> +		    "please contact your Intel or hardware representative "
> +		    "who provided you with this hardware.\n");
> +		break;
> +	case IXGBE_ERR_SFP_NOT_SUPPORTED:
> +		device_printf(dev,"Unsupported SFP+ Module\n");
> +		error = EIO;
> +		goto err_late;
> +	case IXGBE_ERR_SFP_NOT_PRESENT:
> +		device_printf(dev,"No SFP+ Module found\n");
> +		/* falls thru */
> +	default:
> +		break;
> +	}
> +
> +	/* Detect and set physical type */
> +	ixgbe_setup_optics(adapter);
> +
> +	if ((adapter->msix > 1) && (ixgbe_enable_msix))
> +		error = ixgbe_allocate_msix(adapter);
> +	else
> +		error = ixgbe_allocate_legacy(adapter);
> +	if (error)
> +		goto err_late;
> +
> +	/* Setup OS specific network interface */
> +	if (ixgbe_setup_interface(dev, adapter) != 0)
> +		goto err_late;
> +
> +	/* Initialize statistics */
> +	ixgbe_update_stats_counters(adapter);
> +
> +	/* Register for VLAN events */
> +	adapter->vlan_attach = EVENTHANDLER_REGISTER(vlan_config,
> +	    ixgbe_register_vlan, adapter, EVENTHANDLER_PRI_FIRST);
> +	adapter->vlan_detach = EVENTHANDLER_REGISTER(vlan_unconfig,
> +	    ixgbe_unregister_vlan, adapter, EVENTHANDLER_PRI_FIRST);
> +
> +        /*
> +	** Check PCIE slot type/speed/width
> +	*/
> +	ixgbe_get_slot_info(hw);
> +
> +
> +	/* Set an initial default flow control value */
> +	adapter->fc = ixgbe_fc_full;
> +
> +	/* let hardware know driver is loaded */
> +	ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
> +	ctrl_ext |= IXGBE_CTRL_EXT_DRV_LOAD;
> +	IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext);
> +
> +	ixgbe_add_hw_stats(adapter);
> +
> +#ifdef DEV_NETMAP
> +	ixgbe_netmap_attach(adapter);
> +#endif /* DEV_NETMAP */
> +	INIT_DEBUGOUT("ixgbe_attach: end");
> +	return (0);
> +
> +err_late:
> +	ixgbe_free_transmit_structures(adapter);
> +	ixgbe_free_receive_structures(adapter);
> +err_out:
> +	if (adapter->ifp != NULL)
> +		if_free(adapter->ifp);
> +	ixgbe_free_pci_resources(adapter);
> +	free(adapter->mta, M_DEVBUF);
> +	return (error);
> +}
> +
> +/*********************************************************************
> + *  Device removal routine
> + *
> + *  The detach entry point is called when the driver is being removed.
> + *  This routine stops the adapter and deallocates all the resources
> + *  that were allocated for driver operation.
> + *
> + *  return 0 on success, positive on failure
> + *********************************************************************/
> +
> +static int
> +ixgbe_detach(device_t dev)
> +{
> +	struct adapter *adapter = device_get_softc(dev);
> +	struct ix_queue *que = adapter->queues;
> +	struct tx_ring *txr = adapter->tx_rings;
> +	u32	ctrl_ext;
> +
> +	INIT_DEBUGOUT("ixgbe_detach: begin");
> +
> +	/* Make sure VLANS are not using driver */
> +	if (adapter->ifp->if_vlantrunk != NULL) {
> +		device_printf(dev,"Vlan in use, detach first\n");
> +		return (EBUSY);
> +	}
> +
> +	IXGBE_CORE_LOCK(adapter);
> +	ixgbe_stop(adapter);
> +	IXGBE_CORE_UNLOCK(adapter);
> +
> +	for (int i = 0; i < adapter->num_queues; i++, que++, txr++) {
> +		if (que->tq) {
> +#ifndef IXGBE_LEGACY_TX
> +			taskqueue_drain(que->tq, &txr->txq_task);
> +#endif
> +			taskqueue_drain(que->tq, &que->que_task);
> +			taskqueue_free(que->tq);
> +		}
> +	}
> +
> +	/* Drain the Link queue */
> +	if (adapter->tq) {
> +		taskqueue_drain(adapter->tq, &adapter->link_task);
> +		taskqueue_drain(adapter->tq, &adapter->mod_task);
> +		taskqueue_drain(adapter->tq, &adapter->msf_task);
> +#ifdef IXGBE_FDIR
> +		taskqueue_drain(adapter->tq, &adapter->fdir_task);
> +#endif
> +		taskqueue_free(adapter->tq);
> +	}
> +
> +	/* let hardware know driver is unloading */
> +	ctrl_ext = IXGBE_READ_REG(&adapter->hw, IXGBE_CTRL_EXT);
> +	ctrl_ext &= ~IXGBE_CTRL_EXT_DRV_LOAD;
> +	IXGBE_WRITE_REG(&adapter->hw, IXGBE_CTRL_EXT, ctrl_ext);
> +
> +	/* Unregister VLAN events */
> +	if (adapter->vlan_attach != NULL)
> +		EVENTHANDLER_DEREGISTER(vlan_config, adapter->vlan_attach);
> +	if (adapter->vlan_detach != NULL)
> +		EVENTHANDLER_DEREGISTER(vlan_unconfig, adapter->vlan_detach);
> +
> +	ether_ifdetach(adapter->ifp);
> +	callout_drain(&adapter->timer);
> +#ifdef DEV_NETMAP
> +	netmap_detach(adapter->ifp);
> +#endif /* DEV_NETMAP */
> +	ixgbe_free_pci_resources(adapter);
> +	bus_generic_detach(dev);
> +	if_free(adapter->ifp);
> +
> +	ixgbe_free_transmit_structures(adapter);
> +	ixgbe_free_receive_structures(adapter);
> +	free(adapter->mta, M_DEVBUF);
> +
> +	IXGBE_CORE_LOCK_DESTROY(adapter);
> +	return (0);
> +}
> +
> +/*********************************************************************
> + *
> + *  Shutdown entry point
> + *
> + **********************************************************************/
> +
> +static int
> +ixgbe_shutdown(device_t dev)
> +{
> +	struct adapter *adapter = device_get_softc(dev);
> +	IXGBE_CORE_LOCK(adapter);
> +	ixgbe_stop(adapter);
> +	IXGBE_CORE_UNLOCK(adapter);
> +	return (0);
> +}
> +
> +
> +/*********************************************************************
> + *  Ioctl entry point
> + *
> + *  ixgbe_ioctl is called when the user wants to configure the
> + *  interface.
> + *
> + *  return 0 on success, positive on failure
> + **********************************************************************/
> +
> +static int
> +ixgbe_ioctl(struct ifnet * ifp, u_long command, caddr_t data)
> +{
> +	struct adapter	*adapter = ifp->if_softc;
> +	struct ifreq	*ifr = (struct ifreq *) data;
> +#if defined(INET) || defined(INET6)
> +	struct ifaddr *ifa = (struct ifaddr *)data;
> +	bool		avoid_reset = FALSE;
> +#endif
> +	int             error = 0;
> +
> +	switch (command) {
> +
> +        case SIOCSIFADDR:
> +#ifdef INET
> +		if (ifa->ifa_addr->sa_family == AF_INET)
> +			avoid_reset = TRUE;
> +#endif
> +#ifdef INET6
> +		if (ifa->ifa_addr->sa_family == AF_INET6)
> +			avoid_reset = TRUE;
> +#endif
> +#if defined(INET) || defined(INET6)
> +		/*
> +		** Calling init results in link renegotiation,
> +		** so we avoid doing it when possible.
> +		*/
> +		if (avoid_reset) {
> +			ifp->if_flags |= IFF_UP;
> +			if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
> +				ixgbe_init(adapter);
> +			if (!(ifp->if_flags & IFF_NOARP))
> +				arp_ifinit(ifp, ifa);
> +		} else
> +			error = ether_ioctl(ifp, command, data);
> +#endif
> +		break;
> +	case SIOCSIFMTU:
> +		IOCTL_DEBUGOUT("ioctl: SIOCSIFMTU (Set Interface MTU)");
> +		if (ifr->ifr_mtu > IXGBE_MAX_FRAME_SIZE - ETHER_HDR_LEN) {
> +			error = EINVAL;
> +		} else {
> +			IXGBE_CORE_LOCK(adapter);
> +			ifp->if_mtu = ifr->ifr_mtu;
> +			adapter->max_frame_size =
> +				ifp->if_mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
> +			ixgbe_init_locked(adapter);
> +			IXGBE_CORE_UNLOCK(adapter);
> +		}
> +		break;
> +	case SIOCSIFFLAGS:
> +		IOCTL_DEBUGOUT("ioctl: SIOCSIFFLAGS (Set Interface Flags)");
> +		IXGBE_CORE_LOCK(adapter);
> +		if (ifp->if_flags & IFF_UP) {
> +			if ((ifp->if_drv_flags & IFF_DRV_RUNNING)) {
> +				if ((ifp->if_flags ^ adapter->if_flags) &
> +				    (IFF_PROMISC | IFF_ALLMULTI)) {
> +					ixgbe_set_promisc(adapter);
> +                                }
> +			} else
> +				ixgbe_init_locked(adapter);
> +		} else
> +			if (ifp->if_drv_flags & IFF_DRV_RUNNING)
> +				ixgbe_stop(adapter);
> +		adapter->if_flags = ifp->if_flags;
> +		IXGBE_CORE_UNLOCK(adapter);
> +		break;
> +	case SIOCADDMULTI:
> +	case SIOCDELMULTI:
> +		IOCTL_DEBUGOUT("ioctl: SIOC(ADD|DEL)MULTI");
> +		if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
> +			IXGBE_CORE_LOCK(adapter);
> +			ixgbe_disable_intr(adapter);
> +			ixgbe_set_multi(adapter);
> +			ixgbe_enable_intr(adapter);
> +			IXGBE_CORE_UNLOCK(adapter);
> +		}
> +		break;
> +	case SIOCSIFMEDIA:
> +	case SIOCGIFMEDIA:
> +		IOCTL_DEBUGOUT("ioctl: SIOCxIFMEDIA (Get/Set Interface Media)");
> +		error = ifmedia_ioctl(ifp, ifr, &adapter->media, command);
> +		break;
> +	case SIOCSIFCAP:
> +	{
> +		int mask = ifr->ifr_reqcap ^ ifp->if_capenable;
> +		IOCTL_DEBUGOUT("ioctl: SIOCSIFCAP (Set Capabilities)");
> +		if (mask & IFCAP_HWCSUM)
> +			ifp->if_capenable ^= IFCAP_HWCSUM;
> +		if (mask & IFCAP_TSO4)
> +			ifp->if_capenable ^= IFCAP_TSO4;
> +		if (mask & IFCAP_TSO6)
> +			ifp->if_capenable ^= IFCAP_TSO6;
> +		if (mask & IFCAP_LRO)
> +			ifp->if_capenable ^= IFCAP_LRO;
> +		if (mask & IFCAP_VLAN_HWTAGGING)
> +			ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
> +		if (mask & IFCAP_VLAN_HWFILTER)
> +			ifp->if_capenable ^= IFCAP_VLAN_HWFILTER;
> +		if (mask & IFCAP_VLAN_HWTSO)
> +			ifp->if_capenable ^= IFCAP_VLAN_HWTSO;
> +		if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
> +			IXGBE_CORE_LOCK(adapter);
> +			ixgbe_init_locked(adapter);
> +			IXGBE_CORE_UNLOCK(adapter);
> +		}
> +		VLAN_CAPABILITIES(ifp);
> +		break;
> +	}
> +#if __FreeBSD_version >= 1100036
> +	case SIOCGI2C:
> +	{
> +		struct ixgbe_hw *hw = &adapter->hw;
> +		struct ifi2creq i2c;
> +		int i;
> +		IOCTL_DEBUGOUT("ioctl: SIOCGI2C (Get I2C Data)");
> +		error = copyin(ifr->ifr_data, &i2c, sizeof(i2c));
> +		if (error != 0)
> +			break;
> +		if (i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2) {
> +			error = EINVAL;
> +			break;
> +		}
> +		if (i2c.len > sizeof(i2c.data)) {
> +			error = EINVAL;
> +			break;
> +		}
> +
> +		for (i = 0; i < i2c.len; i++)
> +			hw->phy.ops.read_i2c_byte(hw, i2c.offset + i,
> +			    i2c.dev_addr, &i2c.data[i]);
> +		error = copyout(&i2c, ifr->ifr_data, sizeof(i2c));
> +		break;
> +	}
> +#endif
> +	default:
> +		IOCTL_DEBUGOUT1("ioctl: UNKNOWN (0x%X)\n", (int)command);
> +		error = ether_ioctl(ifp, command, data);
> +		break;
> +	}
> +
> +	return (error);
> +}
> +
> +/*********************************************************************
> + *  Init entry point
> + *
> + *  This routine is used in two ways. It is used by the stack as
> + *  init entry point in network interface structure. It is also used
> + *  by the driver as a hw/sw initialization routine to get to a
> + *  consistent state.
> + *
> + *  return 0 on success, positive on failure
> + **********************************************************************/
> +#define IXGBE_MHADD_MFS_SHIFT 16
> +
> +static void
> +ixgbe_init_locked(struct adapter *adapter)
> +{
> +	struct ifnet   *ifp = adapter->ifp;
> +	device_t 	dev = adapter->dev;
> +	struct ixgbe_hw *hw = &adapter->hw;
> +	u32		k, txdctl, mhadd, gpie;
> +	u32		rxdctl, rxctrl;
> +
> +	mtx_assert(&adapter->core_mtx, MA_OWNED);
> +	INIT_DEBUGOUT("ixgbe_init_locked: begin");
> +	hw->adapter_stopped = FALSE;
> +	ixgbe_stop_adapter(hw);
> +        callout_stop(&adapter->timer);
> +
> +        /* reprogram the RAR[0] in case user changed it. */
> +        ixgbe_set_rar(hw, 0, adapter->hw.mac.addr, 0, IXGBE_RAH_AV);
> +
> +	/* Get the latest mac address, User can use a LAA */
> +	bcopy(IF_LLADDR(adapter->ifp), hw->mac.addr,
> +	      IXGBE_ETH_LENGTH_OF_ADDRESS);
> +	ixgbe_set_rar(hw, 0, hw->mac.addr, 0, 1);
> +	hw->addr_ctrl.rar_used_count = 1;
> +
> +	/* Set the various hardware offload abilities */
> +	ifp->if_hwassist = 0;
> +	if (ifp->if_capenable & IFCAP_TSO)
> +		ifp->if_hwassist |= CSUM_TSO;
> +	if (ifp->if_capenable & IFCAP_TXCSUM) {
> +		ifp->if_hwassist |= (CSUM_TCP | CSUM_UDP);
> +#if __FreeBSD_version >= 800000
> +		if (hw->mac.type != ixgbe_mac_82598EB)
> +			ifp->if_hwassist |= CSUM_SCTP;
> +#endif
> +	}
> +
> +	/* Prepare transmit descriptors and buffers */
> +	if (ixgbe_setup_transmit_structures(adapter)) {
> +		device_printf(dev,"Could not setup transmit structures\n");
> +		ixgbe_stop(adapter);
> +		return;
> +	}
> +
> +	ixgbe_init_hw(hw);
> +	ixgbe_initialize_transmit_units(adapter);
> +
> +	/* Setup Multicast table */
> +	ixgbe_set_multi(adapter);
> +
> +	/*
> +	** Determine the correct mbuf pool
> +	** for doing jumbo frames
> +	*/
> +	if (adapter->max_frame_size <= 2048)
> +		adapter->rx_mbuf_sz = MCLBYTES;
> +	else if (adapter->max_frame_size <= 4096)
> +		adapter->rx_mbuf_sz = MJUMPAGESIZE;
> +	else if (adapter->max_frame_size <= 9216)
> +		adapter->rx_mbuf_sz = MJUM9BYTES;
> +	else
> +		adapter->rx_mbuf_sz = MJUM16BYTES;
>
> *** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
>



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