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added FreeBSD 6.2's Intel Pro 1000 driver to the tree (original source, unchanged).

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21087 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Hugo Santos 2007-05-09 13:20:14 +00:00
parent ad26e9b48c
commit 50de974ebb
11 changed files with 17741 additions and 0 deletions
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src/add-ons/kernel/drivers/network/ipro1000/Jamfile
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SubDir HAIKU_TOP src add-ons kernel drivers network ipro1000 ;
SubInclude HAIKU_TOP src add-ons kernel drivers network ipro1000 dev ;
SetSubDirSupportedPlatformsBeOSCompatible ;
# set some additional flags

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SubDir HAIKU_TOP src add-ons kernel drivers network ipro1000 dev ;
SubInclude HAIKU_TOP src add-ons kernel drivers network ipro1000 dev em ;

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SubDir HAIKU_TOP src add-ons kernel drivers network ipro1000 dev em ;
SubDirCcFlags -Wall ;
UsePrivateHeaders kernel net ;
UseHeaders [ FDirName $(SUBDIR) .. .. ] : true ;
UseHeaders [ FDirName $(HAIKU_TOP) src libs compat freebsd_network compat ] : true ;
SubDirCcFlags [ FDefines _KERNEL=1 FBSD_DRIVER=1 EM_FAST_INTR=1 DBG=1 ] ;
KernelAddon e1000 :
if_em.c
if_em_hw.c
glue.c
: libfreebsd_network.a
;

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src/add-ons/kernel/drivers/network/ipro1000/dev/em/LICENSE Normal file
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$FreeBSD: src/sys/dev/em/LICENSE,v 1.3.2.1 2006/08/08 09:20:26 glebius Exp $
/*-
Copyright (c) 2001-2005, 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.
*/

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$FreeBSD: src/sys/dev/em/README,v 1.10.2.1 2006/08/08 09:20:26 glebius Exp $
FreeBSD* Driver for the Intel(R) PRO/1000 Family of Adapters
============================================================
May 2, 2006
Contents
========
- Overview
- Identifying Your Adapter
- Building and Installation
- Speed and Duplex Configuration
- Additional Configurations
- Known Limitations
- Support
- License
Overview
========
This file describes the FreeBSD* driver for the Intel(R) PRO/1000 Family of
Adapters. This driver has been developed for use with FreeBSD, Release 6.x.
For questions related to hardware requirements, refer to the documentation
supplied with your Intel PRO/1000 adapter. All hardware requirements listed
apply to use with FreeBSD.
Identifying Your Adapter
========================
For information on how to identify your adapter, go to the Adapter &
Driver ID Guide at:
http://support.intel.com/support/network/sb/cs-012904.htm
For the latest Intel network drivers for FreeBSD, see:
http://downloadfinder.intel.com/scripts-df-external/support_intel.aspx
NOTE: Mobile adapters are not fully supported.
NOTE: The Intel(R) 82562v 10/100 Network Connection only provides 10/100
support.
Building and Installation
=========================
NOTE: The driver can be installed as a dynamic loadable kernel module or
compiled into the kernel. You must have kernel sources installed in
order to compile the driver module.
In the instructions below, x.x.x is the driver version as indicated in the
name of the driver tar file.
1. Move the base driver tar file to the directory of your choice. For
example, use /home/username/em or /usr/local/src/em.
2. Untar/unzip the archive:
tar xvfz em-x.x.x.tar.gz
This will create an em-x.x.x directory.
3. To create a loadable module, perform the following steps.
NOTE: To compile the driver into the kernel, go directly to step 4.
a. To compile the module
cd em-x.x.x
make
b. To install the compiled module in system directory:
make install
c. If you want the driver to load automatically when the system is booted:
1. Edit /boot/loader.conf, and add the following line:
if_em_load="YES"
4. To compile the driver into the kernel:
cd em-x.x.x/src
cp if_em* /usr/src/sys/dev/em
cp Makefile.kernel /usr/src/sys/modules/em/Makefile
Edit the /usr/src/sys/conf/files file, and add the following lines only if
they don't already exist:
dev/em/if_em.c optional em
dev/em/if_em_hw.c optional em
Remove the following lines from the /usr/src/sys/conf/files file,
if they exist:
dev/em/if_em_fxhw.c optional em
dev/em/if_em_phy.c optional em
Edit the kernel configuration file (i.e., GENERIC or MYKERNEL) in
/usr/src/sys/i386/conf, and ensure the following line is present:
device em
Compile and install the kernel. The system must be rebooted for the kernel
updates to take effect. For additional information on compiling the
kernel, consult the FreeBSD operating system documentation.
5. To assign an IP address to the interface, enter the following:
ifconfig em<interface_num> <IP_address>
6. Verify that the interface works. Enter the following, where <IP_address>
is the IP address for another machine on the same subnet as the interface
that is being tested:
ping <IP_address>
7. To configure the IP address to remain after reboot, edit /etc/rc.conf,
and create the appropriate ifconfig_em<interface_num>entry:
ifconfig_em<interface_num>="<ifconfig_settings>"
Example usage:
ifconfig_em0="inet 192.168.10.1 netmask 255.255.255.0"
NOTE: For assistance, see the ifconfig man page.
Speed and Duplex Configuration
==============================
By default, the adapter auto-negotiates the speed and duplex of the
connection. If there is a specific need, the ifconfig utility can be used to
configure the speed and duplex settings on the adapter. Example usage:
ifconfig em<interface_num> <IP_address> media 100baseTX mediaopt
full-duplex
NOTE: Only use mediaopt to set the driver to full-duplex. If mediaopt is
not specified and you are not running at gigabit speed, the driver
defaults to half-duplex.
This driver supports the following media type options:
autoselect - Enables auto-negotiation for speed and duplex.
10baseT/UTP - Sets speed to 10 Mbps. Use the ifconfig mediaopt
option to select full-duplex mode.
100baseTX - Sets speed to 100 Mbps. Use the ifconfig mediaopt
option to select full-duplex mode.
1000baseTX - Sets speed to 1000 Mbps. In this case, the driver
supports only full-duplex mode.
1000baseSX - Sets speed to 1000 Mbps. In this case, the driver
supports only full-duplex mode.
For more information on the ifconfig utility, see the ifconfig man page.
Additional Configurations
=========================
The driver supports Transmit/Receive Checksum Offload and Jumbo Frames on
all but the 82542-based adapters. For specific adapters, refer to the
Identifying Your Adapter section.
Jumbo Frames
------------
To enable Jumbo Frames, use the ifconfig utility to set the Maximum
Transport Unit (MTU) frame size above its default of 1500 bytes.
The Jumbo Frames MTU range for Intel Adapters is 1500 to 16110. To modify
the setting, enter the following:
ifconfig em<interface_num> <hostname or IP address> mtu 9000
To confirm the MTU used between two specific devices, use:
route get <destination_IP_address>
Notes:
- Only enable Jumbo Frames if your network infrastructure supports them.
- To enable Jumbo Frames, increase the MTU size on the interface beyond
1500.
- The Jumbo Frames setting on the switch must be set to at least 22 bytes
larger than that of the MTU.
- The maximum MTU setting for Jumbo Frames is 16110. This value coincides
with the maximum Jumbo Frames size of 16128.
- Some Intel gigabit adapters that support Jumbo Frames have a frame size
limit of 9238 bytes, with a corresponding MTU size limit of 9216 bytes.
The adapters with this limitation are based on the Intel(R) 82571EB,
82572EI, 82573L and 80003ES2LAN controller. These correspond to the
following product names:
Intel(R) PRO/1000 PT Server Adapter
Intel(R) PRO/1000 PT Desktop Adapter
Intel(R) PRO/1000 PT Network Connection
Intel(R) PRO/1000 PT Dual Port Server Adapter
Intel(R) PRO/1000 PT Dual Port Network Connection
Intel(R) PRO/1000 PF Server Adapter
Intel(R) PRO/1000 PF Network Connection
Intel(R) PRO/1000 PF Dual Port Server Adapter
Intel(R) PRO/1000 PB Server Connection
Intel(R) PRO/1000 PL Network Connection
Intel(R) PRO/1000 EB Network Connection with I/O Acceleration
Intel(R) PRO/1000 EB Backplane Connection with I/O Acceleration
- Adapters based on the Intel(R) 82542 and 82573V/E controller do not
support Jumbo Frames. These correspond to the following product names:
Intel(R) PRO/1000 Gigabit Server Adapter
Intel(R) PRO/1000 PM Network Connection
- Using Jumbo Frames at 10 or 100 Mbps may result in poor performance or
loss of link.
- The following adapters do not support Jumbo Frames:
Intel(R) 82562V 10/100 Network Connection
Intel(R) 82566DM Gigabit Network Connection
Intel(R) 82566DC Gigabit Network Connection
Intel(R) 82566MM Gigabit Network Connection
Intel(R) 82566MC Gigabit Network Connection
VLANs
-----
To create a new VLAN interface:
ifconfig <vlan_name> create
To associate the VLAN interface with a physical interface and
assign a VLAN ID, IP address, and netmask:
ifconfig <vlan_name> <ip_address> netmask <subnet_mask> vlan
<vlan_id> vlandev <physical_interface>
Example:
ifconfig vlan10 10.0.0.1 netmask 255.255.255.0 vlan10 vlandev em0
In this example, all packets will be marked on egress with 802.1Q VLAN
tags, specifying a VLAN ID of 10.
To remove a VLAN interface:
ifconfig <vlan_name> destroy
Polling
-------
To enable polling in the driver, add the following options to the kernel
configuration, and then recompile the kernel:
options DEVICE_POLLING
options HZ=1000
At runtime use:
ifconfig em0 polling to turn polling on
Use:
ifconfig em0 -polling to turn polling off
Checksum Offload
----------------
Checksum offloading is not supported on 82542 Gigabit adapters.
Checksum offloading supports both TCP and UDP packets and is
supported for both transmit and receive.
Checksum offloading can be enabled or disabled using ifconfig.
Both transmit and receive offloading will be either enabled or
disabled together. You cannot enable/disable one without the other.
To enable checksum offloading:
ifconfig <interface_num> rxcsum
To disable checksum offloading:
ifconfig <interface_num> -rxcsum
To confirm the current setting:
ifconfig <interface_num>
Look for the presence or absence of the following line:
options=3 <RXCSUM,TXCSUM>
See the ifconfig man page for further information.
Known Limitations
=================
In FreeBSD version 4.x with Symmetric MultiProcessing (SMP), there is a known
issue on some newer hardware. The problem is generic kernel and only in SMP
mode. The workaround is to either use FreeBSD version 4.x in single processor
mode, or use FreeBSD 5.4 or later.
There are known performance issues with this driver when running UDP traffic
with Jumbo Frames.
There is a known compatibility issue where time to link is slow or link is not
established between 82541/82547 controllers and some switches. Known switches
include:
Planex FXG-08TE
I-O Data ETG-SH8
The driver can be compiled with the following changes:
Edit ./em.x.x.x/src/if_em.h to uncomment the #define EM_MASTER_SLAVE
from within the comments. For example, change from:
/* #define EM_MASTER_SLAVE 2 */
to:
#define EM_MASTER_SLAVE 2
Use one of the following options:
1 = Master mode
2 = Slave mode
3 = Auto master/slave
Setting 2 is recommended.
Recompile the module:
a. To compile the module
cd em-x.x.x
make clean
make
b. To install the compiled module in system directory:
make install
Support
=======
For general information and support, go to the Intel support website at:
http://support.intel.com
If an issue is identified, support is through email only at:
freebsdnic@mailbox.intel.com
License
=======
This software program is released under the terms of a license agreement
between you ('Licensee') and Intel. Do not use or load this software or any
associated materials (collectively, the 'Software') until you have carefully
read the full terms and conditions of the LICENSE located in this software
package. By loading or using the Software, you agree to the terms of this
Agreement. If you do not agree with the terms of this Agreement, do not
install or use the Software.
* Other names and brands may be claimed as the property of others.

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#include <sys/bus.h>
HAIKU_FBSD_DRIVER_GLUE(e1000, em, pci)
NO_HAIKU_CHECK_DISABLE_INTERRUPTS()
#ifdef EM_FAST_INTR
HAIKU_DRIVER_REQUIREMENTS(FBSD_TASKQUEUES | FBSD_FAST_TASKQUEUE);
#else
HAIKU_DRIVER_REQUIREMENTS(0);
#endif

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/**************************************************************************
Copyright (c) 2001-2006, 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: src/sys/dev/em/if_em.h,v 1.32.2.6 2006/11/10 09:30:27 jfv Exp $*/
#ifndef _EM_H_DEFINED_
#define _EM_H_DEFINED_
/* Tunables */
/*
* EM_TXD: Maximum number of Transmit Descriptors
* Valid Range: 80-256 for 82542 and 82543-based adapters
* 80-4096 for others
* Default Value: 256
* This value is the number of transmit descriptors allocated by the driver.
* Increasing this value allows the driver to queue more transmits. Each
* descriptor is 16 bytes.
* Since TDLEN should be multiple of 128bytes, the number of transmit
* desscriptors should meet the following condition.
* (num_tx_desc * sizeof(struct em_tx_desc)) % 128 == 0
*/
#define EM_MIN_TXD 80
#define EM_MAX_TXD_82543 256
#define EM_MAX_TXD 4096
#define EM_DEFAULT_TXD EM_MAX_TXD_82543
/*
* EM_RXD - Maximum number of receive Descriptors
* Valid Range: 80-256 for 82542 and 82543-based adapters
* 80-4096 for others
* Default Value: 256
* This value is the number of receive descriptors allocated by the driver.
* Increasing this value allows the driver to buffer more incoming packets.
* Each descriptor is 16 bytes. A receive buffer is also allocated for each
* descriptor. The maximum MTU size is 16110.
* Since TDLEN should be multiple of 128bytes, the number of transmit
* desscriptors should meet the following condition.
* (num_tx_desc * sizeof(struct em_tx_desc)) % 128 == 0
*/
#define EM_MIN_RXD 80
#define EM_MAX_RXD_82543 256
#define EM_MAX_RXD 4096
#define EM_DEFAULT_RXD EM_MAX_RXD_82543
/*
* EM_TIDV - Transmit Interrupt Delay Value
* Valid Range: 0-65535 (0=off)
* Default Value: 64
* This value delays the generation of transmit interrupts in units of
* 1.024 microseconds. Transmit interrupt reduction can improve CPU
* efficiency if properly tuned for specific network traffic. If the
* system is reporting dropped transmits, this value may be set too high
* causing the driver to run out of available transmit descriptors.
*/
#define EM_TIDV 64
/*
* EM_TADV - Transmit Absolute Interrupt Delay Value
* (Not valid for 82542/82543/82544)
* Valid Range: 0-65535 (0=off)
* Default Value: 64
* This value, in units of 1.024 microseconds, limits the delay in which a
* transmit interrupt is generated. Useful only if EM_TIDV is non-zero,
* this value ensures that an interrupt is generated after the initial
* packet is sent on the wire within the set amount of time. Proper tuning,
* along with EM_TIDV, may improve traffic throughput in specific
* network conditions.
*/
#define EM_TADV 64
/*
* EM_RDTR - Receive Interrupt Delay Timer (Packet Timer)
* Valid Range: 0-65535 (0=off)
* Default Value: 0
* This value delays the generation of receive interrupts in units of 1.024
* microseconds. Receive interrupt reduction can improve CPU efficiency if
* properly tuned for specific network traffic. Increasing this value adds
* extra latency to frame reception and can end up decreasing the throughput
* of TCP traffic. If the system is reporting dropped receives, this value
* may be set too high, causing the driver to run out of available receive
* descriptors.
*
* CAUTION: When setting EM_RDTR to a value other than 0, adapters
* may hang (stop transmitting) under certain network conditions.
* If this occurs a WATCHDOG message is logged in the system
* event log. In addition, the controller is automatically reset,
* restoring the network connection. To eliminate the potential
* for the hang ensure that EM_RDTR is set to 0.
*/
#define EM_RDTR 0
/*
* Receive Interrupt Absolute Delay Timer (Not valid for 82542/82543/82544)
* Valid Range: 0-65535 (0=off)
* Default Value: 64
* This value, in units of 1.024 microseconds, limits the delay in which a
* receive interrupt is generated. Useful only if EM_RDTR is non-zero,
* this value ensures that an interrupt is generated after the initial
* packet is received within the set amount of time. Proper tuning,
* along with EM_RDTR, may improve traffic throughput in specific network
* conditions.
*/
#define EM_RADV 64
/*
* Inform the stack about transmit checksum offload capabilities.
*/
#define EM_CHECKSUM_FEATURES (CSUM_TCP | CSUM_UDP)
#ifdef EM_TSO
/*
* Inform the stack about transmit segmentation offload capabilities.
*/
#define EM_TCPSEG_FEATURES CSUM_TSO
#endif
/*
* This parameter controls the duration of transmit watchdog timer.
*/
#define EM_TX_TIMEOUT 5 /* set to 5 seconds */
/*
* These parameters controls when the driver calls the routine to reclaim
* transmit descriptors.
*/
#define EM_TX_CLEANUP_THRESHOLD (adapter->num_tx_desc / 8)
#define EM_TX_OP_THRESHOLD (adapter->num_tx_desc / 32)
/*
* This parameter controls whether or not autonegotation is enabled.
* 0 - Disable autonegotiation
* 1 - Enable autonegotiation
*/
#define DO_AUTO_NEG 1
/*
* This parameter control whether or not the driver will wait for
* autonegotiation to complete.
* 1 - Wait for autonegotiation to complete
* 0 - Don't wait for autonegotiation to complete
*/
#define WAIT_FOR_AUTO_NEG_DEFAULT 0
/*
* EM_MASTER_SLAVE is only defined to enable a workaround for a known
* compatibility issue with 82541/82547 devices and some switches.
* See the "Known Limitations" section of the README file for a complete
* description and a list of affected switches.
*
* 0 = Hardware default
* 1 = Master mode
* 2 = Slave mode
* 3 = Auto master/slave
*/
/* #define EM_MASTER_SLAVE 2 */
/* Tunables -- End */
#define AUTONEG_ADV_DEFAULT (ADVERTISE_10_HALF | ADVERTISE_10_FULL | \
ADVERTISE_100_HALF | ADVERTISE_100_FULL | \
ADVERTISE_1000_FULL)
#define EM_VENDOR_ID 0x8086
#define EM_FLASH 0x0014 /* Flash memory on ICH8 */
#define EM_JUMBO_PBA 0x00000028
#define EM_DEFAULT_PBA 0x00000030
#define EM_SMARTSPEED_DOWNSHIFT 3
#define EM_SMARTSPEED_MAX 15
#define MAX_NUM_MULTICAST_ADDRESSES 128
#define PCI_ANY_ID (~0U)
#define ETHER_ALIGN 2
/*
* TDBA/RDBA should be aligned on 16 byte boundary. But TDLEN/RDLEN should be
* multiple of 128 bytes. So we align TDBA/RDBA on 128 byte boundary. This will
* also optimize cache line size effect. H/W supports up to cache line size 128.
*/
#define EM_DBA_ALIGN 128
#define SPEED_MODE_BIT (1<<21) /* On PCI-E MACs only */
/* PCI Config defines */
#define EM_BAR_TYPE(v) ((v) & EM_BAR_TYPE_MASK)
#define EM_BAR_TYPE_MASK 0x00000001
#define EM_BAR_TYPE_MMEM 0x00000000
#define EM_BAR_TYPE_IO 0x00000001
#define EM_BAR_MEM_TYPE(v) ((v) & EM_BAR_MEM_TYPE_MASK)
#define EM_BAR_MEM_TYPE_MASK 0x00000006
#define EM_BAR_MEM_TYPE_32BIT 0x00000000
#define EM_BAR_MEM_TYPE_64BIT 0x00000004
/*
* Backward compatibility workaround
*/
#if !defined(PCIR_CIS)
#define PCIR_CIS PCIR_CARDBUSCIS
#endif
/* Defines for printing debug information */
#define DEBUG_INIT 1
#define DEBUG_IOCTL 1
#define DEBUG_HW 1
#define INIT_DEBUGOUT(S) if (DEBUG_INIT) printf(S "\n")
#define INIT_DEBUGOUT1(S, A) if (DEBUG_INIT) printf(S "\n", A)
#define INIT_DEBUGOUT2(S, A, B) if (DEBUG_INIT) printf(S "\n", A, B)
#define IOCTL_DEBUGOUT(S) if (DEBUG_IOCTL) printf(S "\n")
#define IOCTL_DEBUGOUT1(S, A) if (DEBUG_IOCTL) printf(S "\n", A)
#define IOCTL_DEBUGOUT2(S, A, B) if (DEBUG_IOCTL) printf(S "\n", A, B)
#define HW_DEBUGOUT(S) if (DEBUG_HW) printf(S "\n")
#define HW_DEBUGOUT1(S, A) if (DEBUG_HW) printf(S "\n", A)
#define HW_DEBUGOUT2(S, A, B) if (DEBUG_HW) printf(S "\n", A, B)
/* Supported RX Buffer Sizes */
#define EM_RXBUFFER_2048 2048
#define EM_RXBUFFER_4096 4096
#define EM_RXBUFFER_8192 8192
#define EM_RXBUFFER_16384 16384
#define EM_MAX_SCATTER 64
#define EM_TSO_SIZE 65535 /* maxsize of a dma transfer */
/* ******************************************************************************
* vendor_info_array
*
* This array contains the list of Subvendor/Subdevice IDs on which the driver
* should load.
*
* ******************************************************************************/
typedef struct _em_vendor_info_t {
unsigned int vendor_id;
unsigned int device_id;
unsigned int subvendor_id;
unsigned int subdevice_id;
unsigned int index;
} em_vendor_info_t;
struct em_buffer {
int next_eop; /* Index of the desc to watch */
struct mbuf *m_head;
bus_dmamap_t map; /* bus_dma map for packet */
};
/*
* Bus dma allocation structure used by
* em_dma_malloc and em_dma_free.
*/
struct em_dma_alloc {
bus_addr_t dma_paddr;
caddr_t dma_vaddr;
bus_dma_tag_t dma_tag;
bus_dmamap_t dma_map;
bus_dma_segment_t dma_seg;
int dma_nseg;
};
typedef enum _XSUM_CONTEXT_T {
OFFLOAD_NONE,
OFFLOAD_TCP_IP,
OFFLOAD_UDP_IP
} XSUM_CONTEXT_T;
struct adapter;
struct em_int_delay_info {
struct adapter *adapter; /* Back-pointer to the adapter struct */
int offset; /* Register offset to read/write */
int value; /* Current value in usecs */
};
/* For 82544 PCIX Workaround */
typedef struct _ADDRESS_LENGTH_PAIR
{
uint64_t address;
uint32_t length;
} ADDRESS_LENGTH_PAIR, *PADDRESS_LENGTH_PAIR;
typedef struct _DESCRIPTOR_PAIR
{
ADDRESS_LENGTH_PAIR descriptor[4];
uint32_t elements;
} DESC_ARRAY, *PDESC_ARRAY;
/* Our adapter structure */
struct adapter {
struct ifnet *ifp;
struct em_hw hw;
/* FreeBSD operating-system-specific structures. */
struct em_osdep osdep;
struct device *dev;
struct resource *res_memory;
struct resource *flash_mem;
struct resource *res_ioport;
struct resource *res_interrupt;
void *int_handler_tag;
struct ifmedia media;
struct callout timer;
struct callout tx_fifo_timer;
int watchdog_timer;
int io_rid;
int if_flags;
struct mtx mtx;
int em_insert_vlan_header;
#ifdef EM_FAST_INTR
struct task link_task;
struct task rxtx_task;
struct taskqueue *tq;
#endif
/* Info about the board itself */
uint32_t part_num;
uint8_t link_active;
uint16_t link_speed;
uint16_t link_duplex;
uint32_t smartspeed;
struct em_int_delay_info tx_int_delay;
struct em_int_delay_info tx_abs_int_delay;
struct em_int_delay_info rx_int_delay;
struct em_int_delay_info rx_abs_int_delay;
XSUM_CONTEXT_T active_checksum_context;
/*
* Transmit definitions
*
* We have an array of num_tx_desc descriptors (handled
* by the controller) paired with an array of tx_buffers
* (at tx_buffer_area).
* The index of the next available descriptor is next_avail_tx_desc.
* The number of remaining tx_desc is num_tx_desc_avail.
*/
struct em_dma_alloc txdma; /* bus_dma glue for tx desc */
struct em_tx_desc *tx_desc_base;
uint32_t next_avail_tx_desc;
uint32_t next_tx_to_clean;
volatile uint16_t num_tx_desc_avail;
uint16_t num_tx_desc;
uint32_t txd_cmd;
struct em_buffer *tx_buffer_area;
bus_dma_tag_t txtag; /* dma tag for tx */
uint32_t tx_tso; /* last tx was tso */
/*
* Receive definitions
*
* we have an array of num_rx_desc rx_desc (handled by the
* controller), and paired with an array of rx_buffers
* (at rx_buffer_area).
* The next pair to check on receive is at offset next_rx_desc_to_check
*/
struct em_dma_alloc rxdma; /* bus_dma glue for rx desc */
struct em_rx_desc *rx_desc_base;
uint32_t next_rx_desc_to_check;
uint32_t rx_buffer_len;
uint16_t num_rx_desc;
int rx_process_limit;
struct em_buffer *rx_buffer_area;
bus_dma_tag_t rxtag;
/*
* First/last mbuf pointers, for
* collecting multisegment RX packets.
*/
struct mbuf *fmp;
struct mbuf *lmp;
/* Misc stats maintained by the driver */
unsigned long dropped_pkts;
unsigned long mbuf_alloc_failed;
unsigned long mbuf_cluster_failed;
unsigned long no_tx_desc_avail1;
unsigned long no_tx_desc_avail2;
unsigned long no_tx_map_avail;
unsigned long no_tx_dma_setup;
unsigned long watchdog_events;
unsigned long rx_overruns;
/* Used in for 82547 10Mb Half workaround */
#define EM_PBA_BYTES_SHIFT 0xA
#define EM_TX_HEAD_ADDR_SHIFT 7
#define EM_PBA_TX_MASK 0xFFFF0000
#define EM_FIFO_HDR 0x10
#define EM_82547_PKT_THRESH 0x3e0
uint32_t tx_fifo_size;
uint32_t tx_fifo_head;
uint32_t tx_fifo_head_addr;
uint64_t tx_fifo_reset_cnt;
uint64_t tx_fifo_wrk_cnt;
uint32_t tx_head_addr;
/* For 82544 PCIX Workaround */
boolean_t pcix_82544;
boolean_t in_detach;
struct em_hw_stats stats;
};
#define EM_LOCK_INIT(_sc, _name) \
mtx_init(&(_sc)->mtx, _name, MTX_NETWORK_LOCK, MTX_DEF)
#define EM_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->mtx)
#define EM_LOCK(_sc) mtx_lock(&(_sc)->mtx)
#define EM_UNLOCK(_sc) mtx_unlock(&(_sc)->mtx)
#define EM_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->mtx, MA_OWNED)
#endif /* _EM_H_DEFINED_ */

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/**************************************************************************
Copyright (c) 2001-2006, 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: src/sys/dev/em/if_em_osdep.h,v 1.14.2.3 2006/10/28 01:37:14 jfv Exp $*/
#ifndef _FREEBSD_OS_H_
#define _FREEBSD_OS_H_
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/protosw.h>
#include <sys/socket.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <machine/resource.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <machine/clock.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#define ASSERT(x) if(!(x)) panic("EM: x")
/* The happy-fun DELAY macro is defined in /usr/src/sys/i386/include/clock.h */
#define usec_delay(x) DELAY(x)
#define msec_delay(x) DELAY(1000*(x))
/* TODO: Should we be paranoid about delaying in interrupt context? */
#define msec_delay_irq(x) DELAY(1000*(x))
#define MSGOUT(S, A, B) printf(S "\n", A, B)
#define DEBUGFUNC(F) DEBUGOUT(F);
#if DBG
#define DEBUGOUT(S) printf(S "\n")
#define DEBUGOUT1(S,A) printf(S "\n",A)
#define DEBUGOUT2(S,A,B) printf(S "\n",A,B)
#define DEBUGOUT3(S,A,B,C) printf(S "\n",A,B,C)
#define DEBUGOUT7(S,A,B,C,D,E,F,G) printf(S "\n",A,B,C,D,E,F,G)
#else
#define DEBUGOUT(S)
#define DEBUGOUT1(S,A)
#define DEBUGOUT2(S,A,B)
#define DEBUGOUT3(S,A,B,C)
#define DEBUGOUT7(S,A,B,C,D,E,F,G)
#endif
#define FALSE 0
#define TRUE 1
#define CMD_MEM_WRT_INVALIDATE 0x0010 /* BIT_4 */
#define PCI_COMMAND_REGISTER PCIR_COMMAND
struct em_osdep
{
bus_space_tag_t mem_bus_space_tag;
bus_space_handle_t mem_bus_space_handle;
bus_space_tag_t io_bus_space_tag;
bus_space_handle_t io_bus_space_handle;
bus_space_tag_t flash_bus_space_tag;
bus_space_handle_t flash_bus_space_handle;
struct device *dev;
};
#define E1000_WRITE_FLUSH(a) E1000_READ_REG(a, STATUS)
/* Read from an absolute offset in the adapter's memory space */
#define E1000_READ_OFFSET(hw, offset) \
bus_space_read_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
((struct em_osdep *)(hw)->back)->mem_bus_space_handle, offset)
/* Write to an absolute offset in the adapter's memory space */
#define E1000_WRITE_OFFSET(hw, offset, value) \
bus_space_write_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
((struct em_osdep *)(hw)->back)->mem_bus_space_handle, offset, value)
/* Convert a register name to its offset in the adapter's memory space */
#define E1000_REG_OFFSET(hw, reg) \
((hw)->mac_type >= em_82543 ? E1000_##reg : E1000_82542_##reg)
/* Register READ/WRITE macros */
#define E1000_READ_REG(hw, reg) \
bus_space_read_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
((hw)->mac_type >= em_82543 ? E1000_##reg : E1000_82542_##reg))
#define E1000_WRITE_REG(hw, reg, value) \
bus_space_write_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
((hw)->mac_type >= em_82543 ? E1000_##reg : E1000_82542_##reg), \
value)
#define E1000_READ_REG_ARRAY(hw, reg, index) \
bus_space_read_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
((hw)->mac_type >= em_82543 ? E1000_##reg : E1000_82542_##reg) \
+ ((index) << 2))
#define E1000_WRITE_REG_ARRAY(hw, reg, index, value) \
bus_space_write_4(((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
((hw)->mac_type >= em_82543 ? E1000_##reg : E1000_82542_##reg) \
+ ((index) << 2), value)
#define E1000_READ_REG_ARRAY_DWORD E1000_READ_REG_ARRAY
#define E1000_WRITE_REG_ARRAY_DWORD E1000_WRITE_REG_ARRAY
#define E1000_WRITE_REG_ARRAY_BYTE(hw, reg, index, value) \
bus_space_write_1( ((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
((hw)->mac_type >= em_82543 ? E1000_##reg : E1000_82542_##reg \
+ index), value)
#define E1000_WRITE_REG_ARRAY_WORD(hw, reg, index, value) \
bus_space_write_2( ((struct em_osdep *)(hw)->back)->mem_bus_space_tag, \
((struct em_osdep *)(hw)->back)->mem_bus_space_handle, \
((hw)->mac_type >= em_82543 ? E1000_##reg : E1000_82542_##reg \
+ (index << 1)), value)
#define E1000_READ_ICH_FLASH_REG(hw, reg) \
bus_space_read_4(((struct em_osdep *)(hw)->back)->flash_bus_space_tag, \
((struct em_osdep *)(hw)->back)->flash_bus_space_handle, reg)
#define E1000_READ_ICH_FLASH_REG16(hw, reg) \
bus_space_read_2(((struct em_osdep *)(hw)->back)->flash_bus_space_tag, \
((struct em_osdep *)(hw)->back)->flash_bus_space_handle, reg)
#define E1000_WRITE_ICH_FLASH_REG(hw, reg, value) \
bus_space_write_4(((struct em_osdep *)(hw)->back)->flash_bus_space_tag, \
((struct em_osdep *)(hw)->back)->flash_bus_space_handle, reg, value)
#define E1000_WRITE_ICH_FLASH_REG16(hw, reg, value) \
bus_space_write_2(((struct em_osdep *)(hw)->back)->flash_bus_space_tag, \
((struct em_osdep *)(hw)->back)->flash_bus_space_handle, reg, value)
#endif /* _FREEBSD_OS_H_ */