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ethercat
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First version with e1000 driver (to be continued...)

This commit is contained in:
Florian Pose 2007-07-13 15:18:37 +00:00
parent abcbe16619
commit ce4c658cc4
18 changed files with 38217 additions and 0 deletions
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55
configure.ac
View File

@ -232,6 +232,58 @@ if test "x${enableforcedeth}" = "x1"; then
AC_MSG_RESULT([$kernelforcedeth])
fi
#------------------------------------------------------------------------------
# e1000 driver
#------------------------------------------------------------------------------
AC_ARG_ENABLE([e1000],
AS_HELP_STRING([--enable-e1000],
[Enable e1000 driver]),
[
case "${enableval}" in
yes) enablee1000=1
;;
no) enablee1000=0
;;
*) AC_MSG_ERROR([Invalid value for --enable-e1000])
;;
esac
],
[enablee1000=0] # disabled by default
)
AM_CONDITIONAL(ENABLE_E1000, test "x$enablee1000" = "x1")
AC_ARG_WITH([e1000-kernel],
AC_HELP_STRING(
[--with-e1000-kernel=<X.Y.Z>],
[e1000 kernel (only if differing)]
),
[
kernele1000=[$withval]
],
[
kernele1000=$linuxversion
]
)
if test "x${enablee1000}" = "x1"; then
AC_MSG_CHECKING([for kernel for e1000 driver])
kernels=`ls -1 devices/e1000/ | grep -oE "^e1000_main-.*" | cut -d "-" -f 2 | uniq`
found=0
for k in $kernels; do
if test "$kernele1000" = "$k"; then
found=1
fi
done
if test $found -ne 1; then
AC_MSG_ERROR([kernel $kernele1000 not available for e1000 driver!])
fi
AC_MSG_RESULT([$kernele1000])
fi
#------------------------------------------------------------------------------
# RTAI path (optional)
#------------------------------------------------------------------------------
@ -329,6 +381,8 @@ EC_ENABLE_E100 := ${enablee100}
EC_E100_KERNEL := ${kernele100}
EC_ENABLE_FORCEDETH := ${enableforcedeth}
EC_FORCEDETH_KERNEL := ${kernelforcedeth}
EC_ENABLE_E1000 := ${enablee1000}
EC_E1000_KERNEL := ${kernele1000}
EC_RTAI_DIR := "${rtaidir}"
EC_MSR_DIR := "${msrdir}"
EOF
@ -339,6 +393,7 @@ AC_CONFIG_FILES([
Makefile
master/Makefile
devices/Makefile
devices/e1000/Makefile
script/Makefile
script/init.d/Makefile
script/sysconfig/Makefile

4
devices/Kbuild
View File

@ -60,4 +60,8 @@ ifeq ($(EC_ENABLE_FORCEDETH),1)
CFLAGS_$(EC_FORCEDETH_OBJ) = -DSVNREV=$(REV)
endif
ifeq ($(EC_ENABLE_E1000),1)
obj-m += e1000/
endif
#------------------------------------------------------------------------------

7
devices/Makefile.am
View File

@ -31,6 +31,10 @@
#
#------------------------------------------------------------------------------
SUBDIRS = e1000
DIST_SUBDIRS = e1000
EXTRA_DIST = \
Kbuild \
ecdev.h \
@ -63,6 +67,9 @@ endif
if ENABLE_FORCEDETH
cp $(srcdir)/ec_forcedeth.ko $(DESTDIR)$(LINUX_MOD_PATH)
endif
if ENABLE_E1000
$(MAKE) -C e1000 modules_install
endif
clean-local:
$(MAKE) -C "$(LINUX_SOURCE_DIR)" M="@abs_srcdir@" clean

53
devices/e1000/Kbuild Normal file
View File

@ -0,0 +1,53 @@
#------------------------------------------------------------------------------
#
# $Id: Kbuild 790 2007-02-21 12:41:25Z fp $
#
# Copyright (C) 2006 Florian Pose, Ingenieurgemeinschaft IgH
#
# This file is part of the IgH EtherCAT Master.
#
# The IgH EtherCAT Master is free software; you can redistribute it
# and/or modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# The IgH EtherCAT Master is distributed in the hope that it will be
# useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with the IgH EtherCAT Master; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# The right to use EtherCAT Technology is granted and comes free of
# charge under condition of compatibility of product made by
# Licensee. People intending to distribute/sell products based on the
# code, have to sign an agreement to guarantee that products using
# software based on IgH EtherCAT master stay compatible with the actual
# EtherCAT specification (which are released themselves as an open
# standard) as the (only) precondition to have the right to use EtherCAT
# Technology, IP and trade marks.
#
#------------------------------------------------------------------------------
TOPDIR := $(src)/../..
include $(TOPDIR)/config.kbuild
REV := $(shell if test -s $(TOPDIR)/svnrevision; then \
cat $(TOPDIR)/svnrevision; \
else \
svnversion $(TOPDIR) 2>/dev/null || echo "unknown"; \
fi)
ifeq ($(EC_ENABLE_E1000),1)
EC_E1000_OBJ := e1000_main-$(EC_E1000_KERNEL)-ethercat.o \
e1000_hw-$(EC_E1000_KERNEL)-ethercat.o \
e1000_ethtool-$(EC_E1000_KERNEL)-ethercat.o \
e1000_param-$(EC_E1000_KERNEL)-ethercat.o
obj-m += ec_e1000.o
ec_e1000-objs := $(EC_E1000_OBJ)
CFLAGS_e1000_main-$(EC_E1000_KERNEL)-ethercat.o = -DSVNREV=$(REV)
endif
#------------------------------------------------------------------------------

339
devices/e1000/LICENSE Normal file
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@ -0,0 +1,339 @@
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61
devices/e1000/Makefile.am Normal file
View File

@ -0,0 +1,61 @@
#------------------------------------------------------------------------------
#
# $Id$
#
# Copyright (C) 2006 Florian Pose, Ingenieurgemeinschaft IgH
#
# This file is part of the IgH EtherCAT Master.
#
# The IgH EtherCAT Master is free software; you can redistribute it
# and/or modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# The IgH EtherCAT Master is distributed in the hope that it will be
# useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with the IgH EtherCAT Master; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# The right to use EtherCAT Technology is granted and comes free of
# charge under condition of compatibility of product made by
# Licensee. People intending to distribute/sell products based on the
# code, have to sign an agreement to guarantee that products using
# software based on IgH EtherCAT master stay compatible with the actual
# EtherCAT specification (which are released themselves as an open
# standard) as the (only) precondition to have the right to use EtherCAT
# Technology, IP and trade marks.
#
#------------------------------------------------------------------------------
EXTRA_DIST = \
Kbuild \
e1000_ethtool-2.6.18-ethercat.c \
e1000_ethtool-2.6.18-orig.c \
e1000.h \
e1000_hw-2.6.18-ethercat.c \
e1000_hw-2.6.18-orig.c \
e1000_hw.h \
e1000_main-2.6.18-ethercat.c \
e1000_main-2.6.18-orig.c \
e1000_osdep.h \
e1000_param-2.6.18-ethercat.c \
e1000_param-2.6.18-orig.c \
LICENSE
modules:
$(MAKE) -C "$(LINUX_SOURCE_DIR)" M="@abs_top_srcdir@" modules
modules_install:
mkdir -p $(DESTDIR)$(LINUX_MOD_PATH)
if ENABLE_E1000
cp $(srcdir)/ec_e1000.ko $(DESTDIR)$(LINUX_MOD_PATH)
endif
clean-local:
$(MAKE) -C "$(LINUX_SOURCE_DIR)" M="@abs_srcdir@" clean
#------------------------------------------------------------------------------

378
devices/e1000/e1000-2.6.18-ethercat.h Normal file
View File

@ -0,0 +1,378 @@
/*******************************************************************************
Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your option)
any later version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59
Temple Place - Suite 330, Boston, MA 02111-1307, USA.
The full GNU General Public License is included in this distribution in the
file called LICENSE.
Contact Information:
Linux NICS <linux.nics@intel.com>
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
/* Linux PRO/1000 Ethernet Driver main header file */
#ifndef _E1000_H_
#define _E1000_H_
#include <linux/stddef.h>
#include <linux/module.h>
#include <linux/types.h>
#include <asm/byteorder.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/pci.h>
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/interrupt.h>
#include <linux/string.h>
#include <linux/pagemap.h>
#include <linux/dma-mapping.h>
#include <linux/bitops.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <linux/capability.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/tcp.h>
#include <linux/udp.h>
#include <net/pkt_sched.h>
#include <linux/list.h>
#include <linux/reboot.h>
#ifdef NETIF_F_TSO
#include <net/checksum.h>
#endif
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/if_vlan.h>
#include "../ecdev.h"
#define BAR_0 0
#define BAR_1 1
#define BAR_5 5
#define INTEL_E1000_ETHERNET_DEVICE(device_id) {\
PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
struct e1000_adapter;
#include "e1000_hw.h"
#ifdef DBG
#define E1000_DBG(args...) printk(KERN_DEBUG "e1000: " args)
#else
#define E1000_DBG(args...)
#endif
#define E1000_ERR(args...) printk(KERN_ERR "e1000: " args)
#define PFX "e1000: "
#define DPRINTK(nlevel, klevel, fmt, args...) \
(void)((NETIF_MSG_##nlevel & adapter->msg_enable) && \
printk(KERN_##klevel PFX "%s: %s: " fmt, adapter->netdev->name, \
__FUNCTION__ , ## args))
#define E1000_MAX_INTR 10
/* TX/RX descriptor defines */
#define E1000_DEFAULT_TXD 256
#define E1000_MAX_TXD 256
#define E1000_MIN_TXD 80
#define E1000_MAX_82544_TXD 4096
#define E1000_DEFAULT_RXD 256
#define E1000_MAX_RXD 256
#define E1000_MIN_RXD 80
#define E1000_MAX_82544_RXD 4096
/* this is the size past which hardware will drop packets when setting LPE=0 */
#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
/* Supported Rx Buffer Sizes */
#define E1000_RXBUFFER_128 128 /* Used for packet split */
#define E1000_RXBUFFER_256 256 /* Used for packet split */
#define E1000_RXBUFFER_512 512
#define E1000_RXBUFFER_1024 1024
#define E1000_RXBUFFER_2048 2048
#define E1000_RXBUFFER_4096 4096
#define E1000_RXBUFFER_8192 8192
#define E1000_RXBUFFER_16384 16384
/* SmartSpeed delimiters */
#define E1000_SMARTSPEED_DOWNSHIFT 3
#define E1000_SMARTSPEED_MAX 15
/* Packet Buffer allocations */
#define E1000_PBA_BYTES_SHIFT 0xA
#define E1000_TX_HEAD_ADDR_SHIFT 7
#define E1000_PBA_TX_MASK 0xFFFF0000
/* Flow Control Watermarks */
#define E1000_FC_HIGH_DIFF 0x1638 /* High: 5688 bytes below Rx FIFO size */
#define E1000_FC_LOW_DIFF 0x1640 /* Low: 5696 bytes below Rx FIFO size */
#define E1000_FC_PAUSE_TIME 0x0680 /* 858 usec */
/* How many Tx Descriptors do we need to call netif_wake_queue ? */
#define E1000_TX_QUEUE_WAKE 16
/* How many Rx Buffers do we bundle into one write to the hardware ? */
#define E1000_RX_BUFFER_WRITE 16 /* Must be power of 2 */
#define AUTO_ALL_MODES 0
#define E1000_EEPROM_82544_APM 0x0004
#define E1000_EEPROM_ICH8_APME 0x0004
#define E1000_EEPROM_APME 0x0400
#ifndef E1000_MASTER_SLAVE
/* Switch to override PHY master/slave setting */
#define E1000_MASTER_SLAVE e1000_ms_hw_default
#endif
#define E1000_MNG_VLAN_NONE -1
/* Number of packet split data buffers (not including the header buffer) */
#define PS_PAGE_BUFFERS MAX_PS_BUFFERS-1
/* only works for sizes that are powers of 2 */
#define E1000_ROUNDUP(i, size) ((i) = (((i) + (size) - 1) & ~((size) - 1)))
/* wrapper around a pointer to a socket buffer,
* so a DMA handle can be stored along with the buffer */
struct e1000_buffer {
struct sk_buff *skb;
dma_addr_t dma;
unsigned long time_stamp;
uint16_t length;
uint16_t next_to_watch;
};
struct e1000_ps_page { struct page *ps_page[PS_PAGE_BUFFERS]; };
struct e1000_ps_page_dma { uint64_t ps_page_dma[PS_PAGE_BUFFERS]; };
struct e1000_tx_ring {
/* pointer to the descriptor ring memory */
void *desc;
/* physical address of the descriptor ring */
dma_addr_t dma;
/* length of descriptor ring in bytes */
unsigned int size;
/* number of descriptors in the ring */
unsigned int count;
/* next descriptor to associate a buffer with */
unsigned int next_to_use;
/* next descriptor to check for DD status bit */
unsigned int next_to_clean;
/* array of buffer information structs */
struct e1000_buffer *buffer_info;
spinlock_t tx_lock;
uint16_t tdh;
uint16_t tdt;
boolean_t last_tx_tso;
};
struct e1000_rx_ring {
/* pointer to the descriptor ring memory */
void *desc;
/* physical address of the descriptor ring */
dma_addr_t dma;
/* length of descriptor ring in bytes */
unsigned int size;
/* number of descriptors in the ring */
unsigned int count;
/* next descriptor to associate a buffer with */
unsigned int next_to_use;
/* next descriptor to check for DD status bit */
unsigned int next_to_clean;
/* array of buffer information structs */
struct e1000_buffer *buffer_info;
/* arrays of page information for packet split */
struct e1000_ps_page *ps_page;
struct e1000_ps_page_dma *ps_page_dma;
/* cpu for rx queue */
int cpu;
uint16_t rdh;
uint16_t rdt;
};
#define E1000_DESC_UNUSED(R) \
((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
(R)->next_to_clean - (R)->next_to_use - 1)
#define E1000_RX_DESC_PS(R, i) \
(&(((union e1000_rx_desc_packet_split *)((R).desc))[i]))
#define E1000_RX_DESC_EXT(R, i) \
(&(((union e1000_rx_desc_extended *)((R).desc))[i]))
#define E1000_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i]))
#define E1000_RX_DESC(R, i) E1000_GET_DESC(R, i, e1000_rx_desc)
#define E1000_TX_DESC(R, i) E1000_GET_DESC(R, i, e1000_tx_desc)
#define E1000_CONTEXT_DESC(R, i) E1000_GET_DESC(R, i, e1000_context_desc)
/* board specific private data structure */
struct e1000_adapter {
struct timer_list tx_fifo_stall_timer;
struct timer_list watchdog_timer;
struct timer_list phy_info_timer;
struct vlan_group *vlgrp;
uint16_t mng_vlan_id;
uint32_t bd_number;
uint32_t rx_buffer_len;
uint32_t part_num;
uint32_t wol;
uint32_t ksp3_port_a;
uint32_t smartspeed;
uint32_t en_mng_pt;
uint16_t link_speed;
uint16_t link_duplex;
spinlock_t stats_lock;
#ifdef CONFIG_E1000_NAPI
spinlock_t tx_queue_lock;
#endif
atomic_t irq_sem;
struct work_struct reset_task;
uint8_t fc_autoneg;
struct timer_list blink_timer;
unsigned long led_status;
/* TX */
struct e1000_tx_ring *tx_ring; /* One per active queue */
unsigned long tx_queue_len;
uint32_t txd_cmd;
uint32_t tx_int_delay;
uint32_t tx_abs_int_delay;
uint32_t gotcl;
uint64_t gotcl_old;
uint64_t tpt_old;
uint64_t colc_old;
uint32_t tx_timeout_count;
uint32_t tx_fifo_head;
uint32_t tx_head_addr;
uint32_t tx_fifo_size;
uint8_t tx_timeout_factor;
atomic_t tx_fifo_stall;
boolean_t pcix_82544;
boolean_t detect_tx_hung;
/* RX */
#ifdef CONFIG_E1000_NAPI
boolean_t (*clean_rx) (struct e1000_adapter *adapter,
struct e1000_rx_ring *rx_ring,
int *work_done, int work_to_do);
#else
boolean_t (*clean_rx) (struct e1000_adapter *adapter,
struct e1000_rx_ring *rx_ring);
#endif
void (*alloc_rx_buf) (struct e1000_adapter *adapter,
struct e1000_rx_ring *rx_ring,
int cleaned_count);
struct e1000_rx_ring *rx_ring; /* One per active queue */
#ifdef CONFIG_E1000_NAPI
struct net_device *polling_netdev; /* One per active queue */
#endif
int num_tx_queues;
int num_rx_queues;
uint64_t hw_csum_err;
uint64_t hw_csum_good;
uint64_t rx_hdr_split;
uint32_t alloc_rx_buff_failed;
uint32_t rx_int_delay;
uint32_t rx_abs_int_delay;
boolean_t rx_csum;
unsigned int rx_ps_pages;
uint32_t gorcl;
uint64_t gorcl_old;
uint16_t rx_ps_bsize0;
/* Interrupt Throttle Rate */
uint32_t itr;
/* OS defined structs */
struct net_device *netdev;
struct pci_dev *pdev;
struct net_device_stats net_stats;
/* structs defined in e1000_hw.h */
struct e1000_hw hw;
struct e1000_hw_stats stats;
struct e1000_phy_info phy_info;
struct e1000_phy_stats phy_stats;
uint32_t test_icr;
struct e1000_tx_ring test_tx_ring;
struct e1000_rx_ring test_rx_ring;
uint32_t *config_space;
int msg_enable;
#ifdef CONFIG_PCI_MSI
boolean_t have_msi;
#endif
/* to not mess up cache alignment, always add to the bottom */
#ifdef NETIF_F_TSO
boolean_t tso_force;
#endif
boolean_t smart_power_down; /* phy smart power down */
unsigned long flags;
ec_device_t *ecdev;
};
enum e1000_state_t {
__E1000_DRIVER_TESTING,
__E1000_RESETTING,
};
/* e1000_main.c */
extern char e1000_driver_name[];
extern char e1000_driver_version[];
int e1000_up(struct e1000_adapter *adapter);
void e1000_down(struct e1000_adapter *adapter);
void e1000_reset(struct e1000_adapter *adapter);
void e1000_reinit_locked(struct e1000_adapter *adapter);
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
void e1000_update_stats(struct e1000_adapter *adapter);
int e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx);
/* e1000_ethtool.c */
void e1000_set_ethtool_ops(struct net_device *netdev);
/* e1000_param.c */
void e1000_check_options(struct e1000_adapter *adapter);
#endif /* _E1000_H_ */

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/*******************************************************************************
Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your option)
any later version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59
Temple Place - Suite 330, Boston, MA 02111-1307, USA.
The full GNU General Public License is included in this distribution in the
file called LICENSE.
Contact Information:
Linux NICS <linux.nics@intel.com>
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
/* Linux PRO/1000 Ethernet Driver main header file */
#ifndef _E1000_H_
#define _E1000_H_
#include <linux/stddef.h>
#include <linux/module.h>
#include <linux/types.h>
#include <asm/byteorder.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/pci.h>
#include <linux/kernel.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/delay.h>
#include <linux/timer.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include <linux/interrupt.h>
#include <linux/string.h>
#include <linux/pagemap.h>
#include <linux/dma-mapping.h>
#include <linux/bitops.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <linux/capability.h>
#include <linux/in.h>
#include <linux/ip.h>
#include <linux/tcp.h>
#include <linux/udp.h>
#include <net/pkt_sched.h>
#include <linux/list.h>
#include <linux/reboot.h>
#ifdef NETIF_F_TSO
#include <net/checksum.h>
#endif
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/if_vlan.h>
#define BAR_0 0
#define BAR_1 1
#define BAR_5 5
#define INTEL_E1000_ETHERNET_DEVICE(device_id) {\
PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}
struct e1000_adapter;
#include "e1000_hw.h"
#ifdef DBG
#define E1000_DBG(args...) printk(KERN_DEBUG "e1000: " args)
#else
#define E1000_DBG(args...)
#endif
#define E1000_ERR(args...) printk(KERN_ERR "e1000: " args)
#define PFX "e1000: "
#define DPRINTK(nlevel, klevel, fmt, args...) \
(void)((NETIF_MSG_##nlevel & adapter->msg_enable) && \
printk(KERN_##klevel PFX "%s: %s: " fmt, adapter->netdev->name, \
__FUNCTION__ , ## args))
#define E1000_MAX_INTR 10
/* TX/RX descriptor defines */
#define E1000_DEFAULT_TXD 256
#define E1000_MAX_TXD 256
#define E1000_MIN_TXD 80
#define E1000_MAX_82544_TXD 4096
#define E1000_DEFAULT_RXD 256
#define E1000_MAX_RXD 256
#define E1000_MIN_RXD 80
#define E1000_MAX_82544_RXD 4096
/* this is the size past which hardware will drop packets when setting LPE=0 */
#define MAXIMUM_ETHERNET_VLAN_SIZE 1522
/* Supported Rx Buffer Sizes */
#define E1000_RXBUFFER_128 128 /* Used for packet split */
#define E1000_RXBUFFER_256 256 /* Used for packet split */
#define E1000_RXBUFFER_512 512
#define E1000_RXBUFFER_1024 1024
#define E1000_RXBUFFER_2048 2048
#define E1000_RXBUFFER_4096 4096
#define E1000_RXBUFFER_8192 8192
#define E1000_RXBUFFER_16384 16384
/* SmartSpeed delimiters */
#define E1000_SMARTSPEED_DOWNSHIFT 3
#define E1000_SMARTSPEED_MAX 15
/* Packet Buffer allocations */
#define E1000_PBA_BYTES_SHIFT 0xA
#define E1000_TX_HEAD_ADDR_SHIFT 7
#define E1000_PBA_TX_MASK 0xFFFF0000
/* Flow Control Watermarks */
#define E1000_FC_HIGH_DIFF 0x1638 /* High: 5688 bytes below Rx FIFO size */
#define E1000_FC_LOW_DIFF 0x1640 /* Low: 5696 bytes below Rx FIFO size */
#define E1000_FC_PAUSE_TIME 0x0680 /* 858 usec */
/* How many Tx Descriptors do we need to call netif_wake_queue ? */
#define E1000_TX_QUEUE_WAKE 16
/* How many Rx Buffers do we bundle into one write to the hardware ? */
#define E1000_RX_BUFFER_WRITE 16 /* Must be power of 2 */
#define AUTO_ALL_MODES 0
#define E1000_EEPROM_82544_APM 0x0004
#define E1000_EEPROM_ICH8_APME 0x0004
#define E1000_EEPROM_APME 0x0400
#ifndef E1000_MASTER_SLAVE
/* Switch to override PHY master/slave setting */
#define E1000_MASTER_SLAVE e1000_ms_hw_default
#endif
#define E1000_MNG_VLAN_NONE -1
/* Number of packet split data buffers (not including the header buffer) */
#define PS_PAGE_BUFFERS MAX_PS_BUFFERS-1
/* only works for sizes that are powers of 2 */
#define E1000_ROUNDUP(i, size) ((i) = (((i) + (size) - 1) & ~((size) - 1)))
/* wrapper around a pointer to a socket buffer,
* so a DMA handle can be stored along with the buffer */
struct e1000_buffer {
struct sk_buff *skb;
dma_addr_t dma;
unsigned long time_stamp;
uint16_t length;
uint16_t next_to_watch;
};
struct e1000_ps_page { struct page *ps_page[PS_PAGE_BUFFERS]; };
struct e1000_ps_page_dma { uint64_t ps_page_dma[PS_PAGE_BUFFERS]; };
struct e1000_tx_ring {
/* pointer to the descriptor ring memory */
void *desc;
/* physical address of the descriptor ring */
dma_addr_t dma;
/* length of descriptor ring in bytes */
unsigned int size;
/* number of descriptors in the ring */
unsigned int count;
/* next descriptor to associate a buffer with */
unsigned int next_to_use;
/* next descriptor to check for DD status bit */
unsigned int next_to_clean;
/* array of buffer information structs */
struct e1000_buffer *buffer_info;
spinlock_t tx_lock;
uint16_t tdh;
uint16_t tdt;
boolean_t last_tx_tso;
};
struct e1000_rx_ring {
/* pointer to the descriptor ring memory */
void *desc;
/* physical address of the descriptor ring */
dma_addr_t dma;
/* length of descriptor ring in bytes */
unsigned int size;
/* number of descriptors in the ring */
unsigned int count;
/* next descriptor to associate a buffer with */
unsigned int next_to_use;
/* next descriptor to check for DD status bit */
unsigned int next_to_clean;
/* array of buffer information structs */
struct e1000_buffer *buffer_info;
/* arrays of page information for packet split */
struct e1000_ps_page *ps_page;
struct e1000_ps_page_dma *ps_page_dma;
/* cpu for rx queue */
int cpu;
uint16_t rdh;
uint16_t rdt;
};
#define E1000_DESC_UNUSED(R) \
((((R)->next_to_clean > (R)->next_to_use) ? 0 : (R)->count) + \
(R)->next_to_clean - (R)->next_to_use - 1)
#define E1000_RX_DESC_PS(R, i) \
(&(((union e1000_rx_desc_packet_split *)((R).desc))[i]))
#define E1000_RX_DESC_EXT(R, i) \
(&(((union e1000_rx_desc_extended *)((R).desc))[i]))
#define E1000_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i]))
#define E1000_RX_DESC(R, i) E1000_GET_DESC(R, i, e1000_rx_desc)
#define E1000_TX_DESC(R, i) E1000_GET_DESC(R, i, e1000_tx_desc)
#define E1000_CONTEXT_DESC(R, i) E1000_GET_DESC(R, i, e1000_context_desc)
/* board specific private data structure */
struct e1000_adapter {
struct timer_list tx_fifo_stall_timer;
struct timer_list watchdog_timer;
struct timer_list phy_info_timer;
struct vlan_group *vlgrp;
uint16_t mng_vlan_id;
uint32_t bd_number;
uint32_t rx_buffer_len;
uint32_t part_num;
uint32_t wol;
uint32_t ksp3_port_a;
uint32_t smartspeed;
uint32_t en_mng_pt;
uint16_t link_speed;
uint16_t link_duplex;
spinlock_t stats_lock;
#ifdef CONFIG_E1000_NAPI
spinlock_t tx_queue_lock;
#endif
atomic_t irq_sem;
struct work_struct reset_task;
uint8_t fc_autoneg;
struct timer_list blink_timer;
unsigned long led_status;
/* TX */
struct e1000_tx_ring *tx_ring; /* One per active queue */
unsigned long tx_queue_len;
uint32_t txd_cmd;
uint32_t tx_int_delay;
uint32_t tx_abs_int_delay;
uint32_t gotcl;
uint64_t gotcl_old;
uint64_t tpt_old;
uint64_t colc_old;
uint32_t tx_timeout_count;
uint32_t tx_fifo_head;
uint32_t tx_head_addr;
uint32_t tx_fifo_size;
uint8_t tx_timeout_factor;
atomic_t tx_fifo_stall;
boolean_t pcix_82544;
boolean_t detect_tx_hung;
/* RX */
#ifdef CONFIG_E1000_NAPI
boolean_t (*clean_rx) (struct e1000_adapter *adapter,
struct e1000_rx_ring *rx_ring,
int *work_done, int work_to_do);
#else
boolean_t (*clean_rx) (struct e1000_adapter *adapter,
struct e1000_rx_ring *rx_ring);
#endif
void (*alloc_rx_buf) (struct e1000_adapter *adapter,
struct e1000_rx_ring *rx_ring,
int cleaned_count);
struct e1000_rx_ring *rx_ring; /* One per active queue */
#ifdef CONFIG_E1000_NAPI
struct net_device *polling_netdev; /* One per active queue */
#endif
int num_tx_queues;
int num_rx_queues;
uint64_t hw_csum_err;
uint64_t hw_csum_good;
uint64_t rx_hdr_split;
uint32_t alloc_rx_buff_failed;
uint32_t rx_int_delay;
uint32_t rx_abs_int_delay;
boolean_t rx_csum;
unsigned int rx_ps_pages;
uint32_t gorcl;
uint64_t gorcl_old;
uint16_t rx_ps_bsize0;
/* Interrupt Throttle Rate */
uint32_t itr;
/* OS defined structs */
struct net_device *netdev;
struct pci_dev *pdev;
struct net_device_stats net_stats;
/* structs defined in e1000_hw.h */
struct e1000_hw hw;
struct e1000_hw_stats stats;
struct e1000_phy_info phy_info;
struct e1000_phy_stats phy_stats;
uint32_t test_icr;
struct e1000_tx_ring test_tx_ring;
struct e1000_rx_ring test_rx_ring;
uint32_t *config_space;
int msg_enable;
#ifdef CONFIG_PCI_MSI
boolean_t have_msi;
#endif
/* to not mess up cache alignment, always add to the bottom */
#ifdef NETIF_F_TSO
boolean_t tso_force;
#endif
boolean_t smart_power_down; /* phy smart power down */
unsigned long flags;
};
enum e1000_state_t {
__E1000_DRIVER_TESTING,
__E1000_RESETTING,
};
/* e1000_main.c */
extern char e1000_driver_name[];
extern char e1000_driver_version[];
int e1000_up(struct e1000_adapter *adapter);
void e1000_down(struct e1000_adapter *adapter);
void e1000_reset(struct e1000_adapter *adapter);
void e1000_reinit_locked(struct e1000_adapter *adapter);
int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);
void e1000_free_all_tx_resources(struct e1000_adapter *adapter);
int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);
void e1000_free_all_rx_resources(struct e1000_adapter *adapter);
void e1000_update_stats(struct e1000_adapter *adapter);
int e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx);
/* e1000_ethtool.c */
void e1000_set_ethtool_ops(struct net_device *netdev);
/* e1000_param.c */
void e1000_check_options(struct e1000_adapter *adapter);
#endif /* _E1000_H_ */

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/*******************************************************************************
Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your option)
any later version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59
Temple Place - Suite 330, Boston, MA 02111-1307, USA.
The full GNU General Public License is included in this distribution in the
file called LICENSE.
Contact Information:
Linux NICS <linux.nics@intel.com>
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
/* glue for the OS independent part of e1000
* includes register access macros
*/
#ifndef _E1000_OSDEP_H_
#define _E1000_OSDEP_H_
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <asm/io.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
#ifndef msec_delay
#define msec_delay(x) do { if(in_interrupt()) { \
/* Don't mdelay in interrupt context! */ \
BUG(); \
} else { \
msleep(x); \
} } while (0)
/* Some workarounds require millisecond delays and are run during interrupt
* context. Most notably, when establishing link, the phy may need tweaking
* but cannot process phy register reads/writes faster than millisecond
* intervals...and we establish link due to a "link status change" interrupt.
*/
#define msec_delay_irq(x) mdelay(x)
#endif
#define PCI_COMMAND_REGISTER PCI_COMMAND
#define CMD_MEM_WRT_INVALIDATE PCI_COMMAND_INVALIDATE
typedef enum {
#undef FALSE
FALSE = 0,
#undef TRUE
TRUE = 1
} boolean_t;
#define MSGOUT(S, A, B) printk(KERN_DEBUG S "\n", A, B)
#ifdef DBG
#define DEBUGOUT(S) printk(KERN_DEBUG S "\n")
#define DEBUGOUT1(S, A...) printk(KERN_DEBUG S "\n", A)
#else
#define DEBUGOUT(S)
#define DEBUGOUT1(S, A...)
#endif
#define DEBUGFUNC(F) DEBUGOUT(F)
#define DEBUGOUT2 DEBUGOUT1
#define DEBUGOUT3 DEBUGOUT2
#define DEBUGOUT7 DEBUGOUT3
#define E1000_WRITE_REG(a, reg, value) ( \
writel((value), ((a)->hw_addr + \
(((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg))))
#define E1000_READ_REG(a, reg) ( \
readl((a)->hw_addr + \
(((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg)))
#define E1000_WRITE_REG_ARRAY(a, reg, offset, value) ( \
writel((value), ((a)->hw_addr + \
(((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
((offset) << 2))))
#define E1000_READ_REG_ARRAY(a, reg, offset) ( \
readl((a)->hw_addr + \
(((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
((offset) << 2)))
#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_WORD(a, reg, offset, value) ( \
writew((value), ((a)->hw_addr + \
(((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
((offset) << 1))))
#define E1000_READ_REG_ARRAY_WORD(a, reg, offset) ( \
readw((a)->hw_addr + \
(((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
((offset) << 1)))
#define E1000_WRITE_REG_ARRAY_BYTE(a, reg, offset, value) ( \
writeb((value), ((a)->hw_addr + \
(((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
(offset))))
#define E1000_READ_REG_ARRAY_BYTE(a, reg, offset) ( \
readb((a)->hw_addr + \
(((a)->mac_type >= e1000_82543) ? E1000_##reg : E1000_82542_##reg) + \
(offset)))
#define E1000_WRITE_FLUSH(a) E1000_READ_REG(a, STATUS)
#define E1000_WRITE_ICH8_REG(a, reg, value) ( \
writel((value), ((a)->flash_address + reg)))
#define E1000_READ_ICH8_REG(a, reg) ( \
readl((a)->flash_address + reg))
#define E1000_WRITE_ICH8_REG16(a, reg, value) ( \
writew((value), ((a)->flash_address + reg)))
#define E1000_READ_ICH8_REG16(a, reg) ( \
readw((a)->flash_address + reg))
#endif /* _E1000_OSDEP_H_ */

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devices/e1000/e1000_param-2.6.18-ethercat.c Normal file
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@ -0,0 +1,761 @@
/*******************************************************************************
Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your option)
any later version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59
Temple Place - Suite 330, Boston, MA 02111-1307, USA.
The full GNU General Public License is included in this distribution in the
file called LICENSE.
Contact Information:
Linux NICS <linux.nics@intel.com>
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
#include "e1000-2.6.18-ethercat.h"
/* This is the only thing that needs to be changed to adjust the
* maximum number of ports that the driver can manage.
*/
#define E1000_MAX_NIC 32
#define OPTION_UNSET -1
#define OPTION_DISABLED 0
#define OPTION_ENABLED 1
/* All parameters are treated the same, as an integer array of values.
* This macro just reduces the need to repeat the same declaration code
* over and over (plus this helps to avoid typo bugs).
*/
#define E1000_PARAM_INIT { [0 ... E1000_MAX_NIC] = OPTION_UNSET }
/* Module Parameters are always initialized to -1, so that the driver
* can tell the difference between no user specified value or the
* user asking for the default value.
* The true default values are loaded in when e1000_check_options is called.
*
* This is a GCC extension to ANSI C.
* See the item "Labeled Elements in Initializers" in the section
* "Extensions to the C Language Family" of the GCC documentation.
*/
#define E1000_PARAM(X, desc) \
static int __devinitdata X[E1000_MAX_NIC+1] = E1000_PARAM_INIT; \
static int num_##X = 0; \
module_param_array_named(X, X, int, &num_##X, 0); \
MODULE_PARM_DESC(X, desc);
/* Transmit Descriptor Count
*
* Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
* Valid Range: 80-4096 for 82544 and newer
*
* Default Value: 256
*/
E1000_PARAM(TxDescriptors, "Number of transmit descriptors");
/* Receive Descriptor Count
*
* Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
* Valid Range: 80-4096 for 82544 and newer
*
* Default Value: 256
*/
E1000_PARAM(RxDescriptors, "Number of receive descriptors");
/* User Specified Speed Override
*
* Valid Range: 0, 10, 100, 1000
* - 0 - auto-negotiate at all supported speeds
* - 10 - only link at 10 Mbps
* - 100 - only link at 100 Mbps
* - 1000 - only link at 1000 Mbps
*
* Default Value: 0
*/
E1000_PARAM(Speed, "Speed setting");
/* User Specified Duplex Override
*
* Valid Range: 0-2
* - 0 - auto-negotiate for duplex
* - 1 - only link at half duplex
* - 2 - only link at full duplex
*
* Default Value: 0
*/
E1000_PARAM(Duplex, "Duplex setting");
/* Auto-negotiation Advertisement Override
*
* Valid Range: 0x01-0x0F, 0x20-0x2F (copper); 0x20 (fiber)
*
* The AutoNeg value is a bit mask describing which speed and duplex
* combinations should be advertised during auto-negotiation.
* The supported speed and duplex modes are listed below
*
* Bit 7 6 5 4 3 2 1 0
* Speed (Mbps) N/A N/A 1000 N/A 100 100 10 10
* Duplex Full Full Half Full Half
*
* Default Value: 0x2F (copper); 0x20 (fiber)
*/
E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting");
/* User Specified Flow Control Override
*
* Valid Range: 0-3
* - 0 - No Flow Control
* - 1 - Rx only, respond to PAUSE frames but do not generate them
* - 2 - Tx only, generate PAUSE frames but ignore them on receive
* - 3 - Full Flow Control Support
*
* Default Value: Read flow control settings from the EEPROM
*/
E1000_PARAM(FlowControl, "Flow Control setting");
/* XsumRX - Receive Checksum Offload Enable/Disable
*
* Valid Range: 0, 1
* - 0 - disables all checksum offload
* - 1 - enables receive IP/TCP/UDP checksum offload
* on 82543 and newer -based NICs
*
* Default Value: 1
*/
E1000_PARAM(XsumRX, "Disable or enable Receive Checksum offload");
/* Transmit Interrupt Delay in units of 1.024 microseconds
*
* Valid Range: 0-65535
*
* Default Value: 64
*/
E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay");
/* Transmit Absolute Interrupt Delay in units of 1.024 microseconds
*
* Valid Range: 0-65535
*
* Default Value: 0
*/
E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay");
/* Receive Interrupt Delay in units of 1.024 microseconds
*
* Valid Range: 0-65535
*
* Default Value: 0
*/
E1000_PARAM(RxIntDelay, "Receive Interrupt Delay");
/* Receive Absolute Interrupt Delay in units of 1.024 microseconds
*
* Valid Range: 0-65535
*
* Default Value: 128
*/
E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
/* Interrupt Throttle Rate (interrupts/sec)
*
* Valid Range: 100-100000 (0=off, 1=dynamic)
*
* Default Value: 8000
*/
E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
/* Enable Smart Power Down of the PHY
*
* Valid Range: 0, 1
*
* Default Value: 0 (disabled)
*/
E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down");
/* Enable Kumeran Lock Loss workaround
*
* Valid Range: 0, 1
*
* Default Value: 1 (enabled)
*/
E1000_PARAM(KumeranLockLoss, "Enable Kumeran lock loss workaround");
#define AUTONEG_ADV_DEFAULT 0x2F
#define AUTONEG_ADV_MASK 0x2F
#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
#define DEFAULT_RDTR 0
#define MAX_RXDELAY 0xFFFF
#define MIN_RXDELAY 0
#define DEFAULT_RADV 128
#define MAX_RXABSDELAY 0xFFFF
#define MIN_RXABSDELAY 0
#define DEFAULT_TIDV 64
#define MAX_TXDELAY 0xFFFF
#define MIN_TXDELAY 0
#define DEFAULT_TADV 64
#define MAX_TXABSDELAY 0xFFFF
#define MIN_TXABSDELAY 0
#define DEFAULT_ITR 8000
#define MAX_ITR 100000
#define MIN_ITR 100
struct e1000_option {
enum { enable_option, range_option, list_option } type;
char *name;
char *err;
int def;
union {
struct { /* range_option info */
int min;
int max;
} r;
struct { /* list_option info */
int nr;
struct e1000_opt_list { int i; char *str; } *p;
} l;
} arg;
};
static int __devinit
e1000_validate_option(int *value, struct e1000_option *opt,
struct e1000_adapter *adapter)
{
if (*value == OPTION_UNSET) {
*value = opt->def;
return 0;
}
switch (opt->type) {
case enable_option:
switch (*value) {
case OPTION_ENABLED:
DPRINTK(PROBE, INFO, "%s Enabled\n", opt->name);
return 0;
case OPTION_DISABLED:
DPRINTK(PROBE, INFO, "%s Disabled\n", opt->name);
return 0;
}
break;
case range_option:
if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
DPRINTK(PROBE, INFO,
"%s set to %i\n", opt->name, *value);
return 0;
}
break;
case list_option: {
int i;
struct e1000_opt_list *ent;
for (i = 0; i < opt->arg.l.nr; i++) {
ent = &opt->arg.l.p[i];
if (*value == ent->i) {
if (ent->str[0] != '\0')
DPRINTK(PROBE, INFO, "%s\n", ent->str);
return 0;
}
}
}
break;
default:
BUG();
}
DPRINTK(PROBE, INFO, "Invalid %s value specified (%i) %s\n",
opt->name, *value, opt->err);
*value = opt->def;
return -1;
}
static void e1000_check_fiber_options(struct e1000_adapter *adapter);
static void e1000_check_copper_options(struct e1000_adapter *adapter);
/**
* e1000_check_options - Range Checking for Command Line Parameters
* @adapter: board private structure
*
* This routine checks all command line parameters for valid user
* input. If an invalid value is given, or if no user specified
* value exists, a default value is used. The final value is stored
* in a variable in the adapter structure.
**/
void __devinit
e1000_check_options(struct e1000_adapter *adapter)
{
int bd = adapter->bd_number;
if (bd >= E1000_MAX_NIC) {
DPRINTK(PROBE, NOTICE,
"Warning: no configuration for board #%i\n", bd);
DPRINTK(PROBE, NOTICE, "Using defaults for all values\n");
bd = E1000_MAX_NIC;
}
{ /* Transmit Descriptor Count */
struct e1000_option opt = {
.type = range_option,
.name = "Transmit Descriptors",
.err = "using default of "
__MODULE_STRING(E1000_DEFAULT_TXD),
.def = E1000_DEFAULT_TXD,
.arg = { .r = { .min = E1000_MIN_TXD }}
};
struct e1000_tx_ring *tx_ring = adapter->tx_ring;
int i;
e1000_mac_type mac_type = adapter->hw.mac_type;
opt.arg.r.max = mac_type < e1000_82544 ?
E1000_MAX_TXD : E1000_MAX_82544_TXD;
tx_ring->count = TxDescriptors[bd];
e1000_validate_option(&tx_ring->count, &opt, adapter);
E1000_ROUNDUP(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
for (i = 0; i < adapter->num_tx_queues; i++)
tx_ring[i].count = tx_ring->count;
}
{ /* Receive Descriptor Count */
struct e1000_option opt = {
.type = range_option,
.name = "Receive Descriptors",
.err = "using default of "
__MODULE_STRING(E1000_DEFAULT_RXD),
.def = E1000_DEFAULT_RXD,
.arg = { .r = { .min = E1000_MIN_RXD }}
};
struct e1000_rx_ring *rx_ring = adapter->rx_ring;
int i;
e1000_mac_type mac_type = adapter->hw.mac_type;
opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_RXD :
E1000_MAX_82544_RXD;
rx_ring->count = RxDescriptors[bd];
e1000_validate_option(&rx_ring->count, &opt, adapter);
E1000_ROUNDUP(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
for (i = 0; i < adapter->num_rx_queues; i++)
rx_ring[i].count = rx_ring->count;
}
{ /* Checksum Offload Enable/Disable */
struct e1000_option opt = {
.type = enable_option,
.name = "Checksum Offload",
.err = "defaulting to Enabled",
.def = OPTION_ENABLED
};
int rx_csum = XsumRX[bd];
e1000_validate_option(&rx_csum, &opt, adapter);
adapter->rx_csum = rx_csum;
}
{ /* Flow Control */
struct e1000_opt_list fc_list[] =
{{ e1000_fc_none, "Flow Control Disabled" },
{ e1000_fc_rx_pause,"Flow Control Receive Only" },
{ e1000_fc_tx_pause,"Flow Control Transmit Only" },
{ e1000_fc_full, "Flow Control Enabled" },
{ e1000_fc_default, "Flow Control Hardware Default" }};
struct e1000_option opt = {
.type = list_option,
.name = "Flow Control",
.err = "reading default settings from EEPROM",
.def = e1000_fc_default,
.arg = { .l = { .nr = ARRAY_SIZE(fc_list),
.p = fc_list }}
};
int fc = FlowControl[bd];
e1000_validate_option(&fc, &opt, adapter);
adapter->hw.fc = adapter->hw.original_fc = fc;
}
{ /* Transmit Interrupt Delay */
struct e1000_option opt = {
.type = range_option,
.name = "Transmit Interrupt Delay",
.err = "using default of " __MODULE_STRING(DEFAULT_TIDV),
.def = DEFAULT_TIDV,
.arg = { .r = { .min = MIN_TXDELAY,
.max = MAX_TXDELAY }}
};
adapter->tx_int_delay = TxIntDelay[bd];
e1000_validate_option(&adapter->tx_int_delay, &opt, adapter);
}
{ /* Transmit Absolute Interrupt Delay */
struct e1000_option opt = {
.type = range_option,
.name = "Transmit Absolute Interrupt Delay",
.err = "using default of " __MODULE_STRING(DEFAULT_TADV),
.def = DEFAULT_TADV,
.arg = { .r = { .min = MIN_TXABSDELAY,
.max = MAX_TXABSDELAY }}
};
adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
adapter);
}
{ /* Receive Interrupt Delay */
struct e1000_option opt = {
.type = range_option,
.name = "Receive Interrupt Delay",
.err = "using default of " __MODULE_STRING(DEFAULT_RDTR),
.def = DEFAULT_RDTR,
.arg = { .r = { .min = MIN_RXDELAY,
.max = MAX_RXDELAY }}
};
adapter->rx_int_delay = RxIntDelay[bd];
e1000_validate_option(&adapter->rx_int_delay, &opt, adapter);
}
{ /* Receive Absolute Interrupt Delay */
struct e1000_option opt = {
.type = range_option,
.name = "Receive Absolute Interrupt Delay",
.err = "using default of " __MODULE_STRING(DEFAULT_RADV),
.def = DEFAULT_RADV,
.arg = { .r = { .min = MIN_RXABSDELAY,
.max = MAX_RXABSDELAY }}
};
adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
adapter);
}
{ /* Interrupt Throttling Rate */
struct e1000_option opt = {
.type = range_option,
.name = "Interrupt Throttling Rate (ints/sec)",
.err = "using default of " __MODULE_STRING(DEFAULT_ITR),
.def = DEFAULT_ITR,
.arg = { .r = { .min = MIN_ITR,
.max = MAX_ITR }}
};
adapter->itr = InterruptThrottleRate[bd];
switch (adapter->itr) {
case 0:
DPRINTK(PROBE, INFO, "%s turned off\n", opt.name);
break;
case 1:
DPRINTK(PROBE, INFO, "%s set to dynamic mode\n",
opt.name);
break;
default:
e1000_validate_option(&adapter->itr, &opt, adapter);
break;
}
}
{ /* Smart Power Down */
struct e1000_option opt = {
.type = enable_option,
.name = "PHY Smart Power Down",
.err = "defaulting to Disabled",
.def = OPTION_DISABLED
};
int spd = SmartPowerDownEnable[bd];
e1000_validate_option(&spd, &opt, adapter);
adapter->smart_power_down = spd;
}
{ /* Kumeran Lock Loss Workaround */
struct e1000_option opt = {
.type = enable_option,
.name = "Kumeran Lock Loss Workaround",
.err = "defaulting to Enabled",
.def = OPTION_ENABLED
};
int kmrn_lock_loss = KumeranLockLoss[bd];
e1000_validate_option(&kmrn_lock_loss, &opt, adapter);
adapter->hw.kmrn_lock_loss_workaround_disabled = !kmrn_lock_loss;
}
switch (adapter->hw.media_type) {
case e1000_media_type_fiber:
case e1000_media_type_internal_serdes:
e1000_check_fiber_options(adapter);
break;
case e1000_media_type_copper:
e1000_check_copper_options(adapter);
break;
default:
BUG();
}
}
/**
* e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
* @adapter: board private structure
*
* Handles speed and duplex options on fiber adapters
**/
static void __devinit
e1000_check_fiber_options(struct e1000_adapter *adapter)
{
int bd = adapter->bd_number;
bd = bd > E1000_MAX_NIC ? E1000_MAX_NIC : bd;
if ((Speed[bd] != OPTION_UNSET)) {
DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
"parameter ignored\n");
}
if ((Duplex[bd] != OPTION_UNSET)) {
DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
"parameter ignored\n");
}
if ((AutoNeg[bd] != OPTION_UNSET) && (AutoNeg[bd] != 0x20)) {
DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is "
"not valid for fiber adapters, "
"parameter ignored\n");
}
}
/**
* e1000_check_copper_options - Range Checking for Link Options, Copper Version
* @adapter: board private structure
*
* Handles speed and duplex options on copper adapters
**/
static void __devinit
e1000_check_copper_options(struct e1000_adapter *adapter)
{
int speed, dplx, an;
int bd = adapter->bd_number;
bd = bd > E1000_MAX_NIC ? E1000_MAX_NIC : bd;
{ /* Speed */
struct e1000_opt_list speed_list[] = {{ 0, "" },
{ SPEED_10, "" },
{ SPEED_100, "" },
{ SPEED_1000, "" }};
struct e1000_option opt = {
.type = list_option,
.name = "Speed",
.err = "parameter ignored",
.def = 0,
.arg = { .l = { .nr = ARRAY_SIZE(speed_list),
.p = speed_list }}
};
speed = Speed[bd];
e1000_validate_option(&speed, &opt, adapter);
}
{ /* Duplex */
struct e1000_opt_list dplx_list[] = {{ 0, "" },
{ HALF_DUPLEX, "" },
{ FULL_DUPLEX, "" }};
struct e1000_option opt = {
.type = list_option,
.name = "Duplex",
.err = "parameter ignored",
.def = 0,
.arg = { .l = { .nr = ARRAY_SIZE(dplx_list),
.p = dplx_list }}
};
if (e1000_check_phy_reset_block(&adapter->hw)) {
DPRINTK(PROBE, INFO,
"Link active due to SoL/IDER Session. "
"Speed/Duplex/AutoNeg parameter ignored.\n");
return;
}
dplx = Duplex[bd];
e1000_validate_option(&dplx, &opt, adapter);
}
if (AutoNeg[bd] != OPTION_UNSET && (speed != 0 || dplx != 0)) {
DPRINTK(PROBE, INFO,
"AutoNeg specified along with Speed or Duplex, "
"parameter ignored\n");
adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
} else { /* Autoneg */
struct e1000_opt_list an_list[] =
#define AA "AutoNeg advertising "
{{ 0x01, AA "10/HD" },
{ 0x02, AA "10/FD" },
{ 0x03, AA "10/FD, 10/HD" },
{ 0x04, AA "100/HD" },
{ 0x05, AA "100/HD, 10/HD" },
{ 0x06, AA "100/HD, 10/FD" },
{ 0x07, AA "100/HD, 10/FD, 10/HD" },
{ 0x08, AA "100/FD" },
{ 0x09, AA "100/FD, 10/HD" },
{ 0x0a, AA "100/FD, 10/FD" },
{ 0x0b, AA "100/FD, 10/FD, 10/HD" },
{ 0x0c, AA "100/FD, 100/HD" },
{ 0x0d, AA "100/FD, 100/HD, 10/HD" },
{ 0x0e, AA "100/FD, 100/HD, 10/FD" },
{ 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
{ 0x20, AA "1000/FD" },
{ 0x21, AA "1000/FD, 10/HD" },
{ 0x22, AA "1000/FD, 10/FD" },
{ 0x23, AA "1000/FD, 10/FD, 10/HD" },
{ 0x24, AA "1000/FD, 100/HD" },
{ 0x25, AA "1000/FD, 100/HD, 10/HD" },
{ 0x26, AA "1000/FD, 100/HD, 10/FD" },
{ 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
{ 0x28, AA "1000/FD, 100/FD" },
{ 0x29, AA "1000/FD, 100/FD, 10/HD" },
{ 0x2a, AA "1000/FD, 100/FD, 10/FD" },
{ 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
{ 0x2c, AA "1000/FD, 100/FD, 100/HD" },
{ 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
{ 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
{ 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
struct e1000_option opt = {
.type = list_option,
.name = "AutoNeg",
.err = "parameter ignored",
.def = AUTONEG_ADV_DEFAULT,
.arg = { .l = { .nr = ARRAY_SIZE(an_list),
.p = an_list }}
};
an = AutoNeg[bd];
e1000_validate_option(&an, &opt, adapter);
adapter->hw.autoneg_advertised = an;
}
switch (speed + dplx) {
case 0:
adapter->hw.autoneg = adapter->fc_autoneg = 1;
if (Speed[bd] != OPTION_UNSET || Duplex[bd] != OPTION_UNSET)
DPRINTK(PROBE, INFO,
"Speed and duplex autonegotiation enabled\n");
break;
case HALF_DUPLEX:
DPRINTK(PROBE, INFO, "Half Duplex specified without Speed\n");
DPRINTK(PROBE, INFO, "Using Autonegotiation at "
"Half Duplex only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
ADVERTISE_100_HALF;
break;
case FULL_DUPLEX:
DPRINTK(PROBE, INFO, "Full Duplex specified without Speed\n");
DPRINTK(PROBE, INFO, "Using Autonegotiation at "
"Full Duplex only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
ADVERTISE_100_FULL |
ADVERTISE_1000_FULL;
break;
case SPEED_10:
DPRINTK(PROBE, INFO, "10 Mbps Speed specified "
"without Duplex\n");
DPRINTK(PROBE, INFO, "Using Autonegotiation at 10 Mbps only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
ADVERTISE_10_FULL;
break;
case SPEED_10 + HALF_DUPLEX:
DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Half Duplex\n");
adapter->hw.autoneg = adapter->fc_autoneg = 0;
adapter->hw.forced_speed_duplex = e1000_10_half;
adapter->hw.autoneg_advertised = 0;
break;
case SPEED_10 + FULL_DUPLEX:
DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Full Duplex\n");
adapter->hw.autoneg = adapter->fc_autoneg = 0;
adapter->hw.forced_speed_duplex = e1000_10_full;
adapter->hw.autoneg_advertised = 0;
break;
case SPEED_100:
DPRINTK(PROBE, INFO, "100 Mbps Speed specified "
"without Duplex\n");
DPRINTK(PROBE, INFO, "Using Autonegotiation at "
"100 Mbps only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
ADVERTISE_100_FULL;
break;
case SPEED_100 + HALF_DUPLEX:
DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Half Duplex\n");
adapter->hw.autoneg = adapter->fc_autoneg = 0;
adapter->hw.forced_speed_duplex = e1000_100_half;
adapter->hw.autoneg_advertised = 0;
break;
case SPEED_100 + FULL_DUPLEX:
DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Full Duplex\n");
adapter->hw.autoneg = adapter->fc_autoneg = 0;
adapter->hw.forced_speed_duplex = e1000_100_full;
adapter->hw.autoneg_advertised = 0;
break;
case SPEED_1000:
DPRINTK(PROBE, INFO, "1000 Mbps Speed specified without "
"Duplex\n");
DPRINTK(PROBE, INFO,
"Using Autonegotiation at 1000 Mbps "
"Full Duplex only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
break;
case SPEED_1000 + HALF_DUPLEX:
DPRINTK(PROBE, INFO,
"Half Duplex is not supported at 1000 Mbps\n");
DPRINTK(PROBE, INFO,
"Using Autonegotiation at 1000 Mbps "
"Full Duplex only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
break;
case SPEED_1000 + FULL_DUPLEX:
DPRINTK(PROBE, INFO,
"Using Autonegotiation at 1000 Mbps Full Duplex only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
break;
default:
BUG();
}
/* Speed, AutoNeg and MDI/MDI-X must all play nice */
if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
DPRINTK(PROBE, INFO,
"Speed, AutoNeg and MDI-X specifications are "
"incompatible. Setting MDI-X to a compatible value.\n");
}
}

761
devices/e1000/e1000_param-2.6.18-orig.c Normal file
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@ -0,0 +1,761 @@
/*******************************************************************************
Copyright(c) 1999 - 2006 Intel Corporation. All rights reserved.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your option)
any later version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59
Temple Place - Suite 330, Boston, MA 02111-1307, USA.
The full GNU General Public License is included in this distribution in the
file called LICENSE.
Contact Information:
Linux NICS <linux.nics@intel.com>
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
#include "e1000.h"
/* This is the only thing that needs to be changed to adjust the
* maximum number of ports that the driver can manage.
*/
#define E1000_MAX_NIC 32
#define OPTION_UNSET -1
#define OPTION_DISABLED 0
#define OPTION_ENABLED 1
/* All parameters are treated the same, as an integer array of values.
* This macro just reduces the need to repeat the same declaration code
* over and over (plus this helps to avoid typo bugs).
*/
#define E1000_PARAM_INIT { [0 ... E1000_MAX_NIC] = OPTION_UNSET }
/* Module Parameters are always initialized to -1, so that the driver
* can tell the difference between no user specified value or the
* user asking for the default value.
* The true default values are loaded in when e1000_check_options is called.
*
* This is a GCC extension to ANSI C.
* See the item "Labeled Elements in Initializers" in the section
* "Extensions to the C Language Family" of the GCC documentation.
*/
#define E1000_PARAM(X, desc) \
static int __devinitdata X[E1000_MAX_NIC+1] = E1000_PARAM_INIT; \
static int num_##X = 0; \
module_param_array_named(X, X, int, &num_##X, 0); \
MODULE_PARM_DESC(X, desc);
/* Transmit Descriptor Count
*
* Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
* Valid Range: 80-4096 for 82544 and newer
*
* Default Value: 256
*/
E1000_PARAM(TxDescriptors, "Number of transmit descriptors");
/* Receive Descriptor Count
*
* Valid Range: 80-256 for 82542 and 82543 gigabit ethernet controllers
* Valid Range: 80-4096 for 82544 and newer
*
* Default Value: 256
*/
E1000_PARAM(RxDescriptors, "Number of receive descriptors");
/* User Specified Speed Override
*
* Valid Range: 0, 10, 100, 1000
* - 0 - auto-negotiate at all supported speeds
* - 10 - only link at 10 Mbps
* - 100 - only link at 100 Mbps
* - 1000 - only link at 1000 Mbps
*
* Default Value: 0
*/
E1000_PARAM(Speed, "Speed setting");
/* User Specified Duplex Override
*
* Valid Range: 0-2
* - 0 - auto-negotiate for duplex
* - 1 - only link at half duplex
* - 2 - only link at full duplex
*
* Default Value: 0
*/
E1000_PARAM(Duplex, "Duplex setting");
/* Auto-negotiation Advertisement Override
*
* Valid Range: 0x01-0x0F, 0x20-0x2F (copper); 0x20 (fiber)
*
* The AutoNeg value is a bit mask describing which speed and duplex
* combinations should be advertised during auto-negotiation.
* The supported speed and duplex modes are listed below
*
* Bit 7 6 5 4 3 2 1 0
* Speed (Mbps) N/A N/A 1000 N/A 100 100 10 10
* Duplex Full Full Half Full Half
*
* Default Value: 0x2F (copper); 0x20 (fiber)
*/
E1000_PARAM(AutoNeg, "Advertised auto-negotiation setting");
/* User Specified Flow Control Override
*
* Valid Range: 0-3
* - 0 - No Flow Control
* - 1 - Rx only, respond to PAUSE frames but do not generate them
* - 2 - Tx only, generate PAUSE frames but ignore them on receive
* - 3 - Full Flow Control Support
*
* Default Value: Read flow control settings from the EEPROM
*/
E1000_PARAM(FlowControl, "Flow Control setting");
/* XsumRX - Receive Checksum Offload Enable/Disable
*
* Valid Range: 0, 1
* - 0 - disables all checksum offload
* - 1 - enables receive IP/TCP/UDP checksum offload
* on 82543 and newer -based NICs
*
* Default Value: 1
*/
E1000_PARAM(XsumRX, "Disable or enable Receive Checksum offload");
/* Transmit Interrupt Delay in units of 1.024 microseconds
*
* Valid Range: 0-65535
*
* Default Value: 64
*/
E1000_PARAM(TxIntDelay, "Transmit Interrupt Delay");
/* Transmit Absolute Interrupt Delay in units of 1.024 microseconds
*
* Valid Range: 0-65535
*
* Default Value: 0
*/
E1000_PARAM(TxAbsIntDelay, "Transmit Absolute Interrupt Delay");
/* Receive Interrupt Delay in units of 1.024 microseconds
*
* Valid Range: 0-65535
*
* Default Value: 0
*/
E1000_PARAM(RxIntDelay, "Receive Interrupt Delay");
/* Receive Absolute Interrupt Delay in units of 1.024 microseconds
*
* Valid Range: 0-65535
*
* Default Value: 128
*/
E1000_PARAM(RxAbsIntDelay, "Receive Absolute Interrupt Delay");
/* Interrupt Throttle Rate (interrupts/sec)
*
* Valid Range: 100-100000 (0=off, 1=dynamic)
*
* Default Value: 8000
*/
E1000_PARAM(InterruptThrottleRate, "Interrupt Throttling Rate");
/* Enable Smart Power Down of the PHY
*
* Valid Range: 0, 1
*
* Default Value: 0 (disabled)
*/
E1000_PARAM(SmartPowerDownEnable, "Enable PHY smart power down");
/* Enable Kumeran Lock Loss workaround
*
* Valid Range: 0, 1
*
* Default Value: 1 (enabled)
*/
E1000_PARAM(KumeranLockLoss, "Enable Kumeran lock loss workaround");
#define AUTONEG_ADV_DEFAULT 0x2F
#define AUTONEG_ADV_MASK 0x2F
#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
#define DEFAULT_RDTR 0
#define MAX_RXDELAY 0xFFFF
#define MIN_RXDELAY 0
#define DEFAULT_RADV 128
#define MAX_RXABSDELAY 0xFFFF
#define MIN_RXABSDELAY 0
#define DEFAULT_TIDV 64
#define MAX_TXDELAY 0xFFFF
#define MIN_TXDELAY 0
#define DEFAULT_TADV 64
#define MAX_TXABSDELAY 0xFFFF
#define MIN_TXABSDELAY 0
#define DEFAULT_ITR 8000
#define MAX_ITR 100000
#define MIN_ITR 100
struct e1000_option {
enum { enable_option, range_option, list_option } type;
char *name;
char *err;
int def;
union {
struct { /* range_option info */
int min;
int max;
} r;
struct { /* list_option info */
int nr;
struct e1000_opt_list { int i; char *str; } *p;
} l;
} arg;
};
static int __devinit
e1000_validate_option(int *value, struct e1000_option *opt,
struct e1000_adapter *adapter)
{
if (*value == OPTION_UNSET) {
*value = opt->def;
return 0;
}
switch (opt->type) {
case enable_option:
switch (*value) {
case OPTION_ENABLED:
DPRINTK(PROBE, INFO, "%s Enabled\n", opt->name);
return 0;
case OPTION_DISABLED:
DPRINTK(PROBE, INFO, "%s Disabled\n", opt->name);
return 0;
}
break;
case range_option:
if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
DPRINTK(PROBE, INFO,
"%s set to %i\n", opt->name, *value);
return 0;
}
break;
case list_option: {
int i;
struct e1000_opt_list *ent;
for (i = 0; i < opt->arg.l.nr; i++) {
ent = &opt->arg.l.p[i];
if (*value == ent->i) {
if (ent->str[0] != '\0')
DPRINTK(PROBE, INFO, "%s\n", ent->str);
return 0;
}
}
}
break;
default:
BUG();
}
DPRINTK(PROBE, INFO, "Invalid %s value specified (%i) %s\n",
opt->name, *value, opt->err);
*value = opt->def;
return -1;
}
static void e1000_check_fiber_options(struct e1000_adapter *adapter);
static void e1000_check_copper_options(struct e1000_adapter *adapter);
/**
* e1000_check_options - Range Checking for Command Line Parameters
* @adapter: board private structure
*
* This routine checks all command line parameters for valid user
* input. If an invalid value is given, or if no user specified
* value exists, a default value is used. The final value is stored
* in a variable in the adapter structure.
**/
void __devinit
e1000_check_options(struct e1000_adapter *adapter)
{
int bd = adapter->bd_number;
if (bd >= E1000_MAX_NIC) {
DPRINTK(PROBE, NOTICE,
"Warning: no configuration for board #%i\n", bd);
DPRINTK(PROBE, NOTICE, "Using defaults for all values\n");
bd = E1000_MAX_NIC;
}
{ /* Transmit Descriptor Count */
struct e1000_option opt = {
.type = range_option,
.name = "Transmit Descriptors",
.err = "using default of "
__MODULE_STRING(E1000_DEFAULT_TXD),
.def = E1000_DEFAULT_TXD,
.arg = { .r = { .min = E1000_MIN_TXD }}
};
struct e1000_tx_ring *tx_ring = adapter->tx_ring;
int i;
e1000_mac_type mac_type = adapter->hw.mac_type;
opt.arg.r.max = mac_type < e1000_82544 ?
E1000_MAX_TXD : E1000_MAX_82544_TXD;
tx_ring->count = TxDescriptors[bd];
e1000_validate_option(&tx_ring->count, &opt, adapter);
E1000_ROUNDUP(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE);
for (i = 0; i < adapter->num_tx_queues; i++)
tx_ring[i].count = tx_ring->count;
}
{ /* Receive Descriptor Count */
struct e1000_option opt = {
.type = range_option,
.name = "Receive Descriptors",
.err = "using default of "
__MODULE_STRING(E1000_DEFAULT_RXD),
.def = E1000_DEFAULT_RXD,
.arg = { .r = { .min = E1000_MIN_RXD }}
};
struct e1000_rx_ring *rx_ring = adapter->rx_ring;
int i;
e1000_mac_type mac_type = adapter->hw.mac_type;
opt.arg.r.max = mac_type < e1000_82544 ? E1000_MAX_RXD :
E1000_MAX_82544_RXD;
rx_ring->count = RxDescriptors[bd];
e1000_validate_option(&rx_ring->count, &opt, adapter);
E1000_ROUNDUP(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE);
for (i = 0; i < adapter->num_rx_queues; i++)
rx_ring[i].count = rx_ring->count;
}
{ /* Checksum Offload Enable/Disable */
struct e1000_option opt = {
.type = enable_option,
.name = "Checksum Offload",
.err = "defaulting to Enabled",
.def = OPTION_ENABLED
};
int rx_csum = XsumRX[bd];
e1000_validate_option(&rx_csum, &opt, adapter);
adapter->rx_csum = rx_csum;
}
{ /* Flow Control */
struct e1000_opt_list fc_list[] =
{{ e1000_fc_none, "Flow Control Disabled" },
{ e1000_fc_rx_pause,"Flow Control Receive Only" },
{ e1000_fc_tx_pause,"Flow Control Transmit Only" },
{ e1000_fc_full, "Flow Control Enabled" },
{ e1000_fc_default, "Flow Control Hardware Default" }};
struct e1000_option opt = {
.type = list_option,
.name = "Flow Control",
.err = "reading default settings from EEPROM",
.def = e1000_fc_default,
.arg = { .l = { .nr = ARRAY_SIZE(fc_list),
.p = fc_list }}
};
int fc = FlowControl[bd];
e1000_validate_option(&fc, &opt, adapter);
adapter->hw.fc = adapter->hw.original_fc = fc;
}
{ /* Transmit Interrupt Delay */
struct e1000_option opt = {
.type = range_option,
.name = "Transmit Interrupt Delay",
.err = "using default of " __MODULE_STRING(DEFAULT_TIDV),
.def = DEFAULT_TIDV,
.arg = { .r = { .min = MIN_TXDELAY,
.max = MAX_TXDELAY }}
};
adapter->tx_int_delay = TxIntDelay[bd];
e1000_validate_option(&adapter->tx_int_delay, &opt, adapter);
}
{ /* Transmit Absolute Interrupt Delay */
struct e1000_option opt = {
.type = range_option,
.name = "Transmit Absolute Interrupt Delay",
.err = "using default of " __MODULE_STRING(DEFAULT_TADV),
.def = DEFAULT_TADV,
.arg = { .r = { .min = MIN_TXABSDELAY,
.max = MAX_TXABSDELAY }}
};
adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
adapter);
}
{ /* Receive Interrupt Delay */
struct e1000_option opt = {
.type = range_option,
.name = "Receive Interrupt Delay",
.err = "using default of " __MODULE_STRING(DEFAULT_RDTR),
.def = DEFAULT_RDTR,
.arg = { .r = { .min = MIN_RXDELAY,
.max = MAX_RXDELAY }}
};
adapter->rx_int_delay = RxIntDelay[bd];
e1000_validate_option(&adapter->rx_int_delay, &opt, adapter);
}
{ /* Receive Absolute Interrupt Delay */
struct e1000_option opt = {
.type = range_option,
.name = "Receive Absolute Interrupt Delay",
.err = "using default of " __MODULE_STRING(DEFAULT_RADV),
.def = DEFAULT_RADV,
.arg = { .r = { .min = MIN_RXABSDELAY,
.max = MAX_RXABSDELAY }}
};
adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
adapter);
}
{ /* Interrupt Throttling Rate */
struct e1000_option opt = {
.type = range_option,
.name = "Interrupt Throttling Rate (ints/sec)",
.err = "using default of " __MODULE_STRING(DEFAULT_ITR),
.def = DEFAULT_ITR,
.arg = { .r = { .min = MIN_ITR,
.max = MAX_ITR }}
};
adapter->itr = InterruptThrottleRate[bd];
switch (adapter->itr) {
case 0:
DPRINTK(PROBE, INFO, "%s turned off\n", opt.name);
break;
case 1:
DPRINTK(PROBE, INFO, "%s set to dynamic mode\n",
opt.name);
break;
default:
e1000_validate_option(&adapter->itr, &opt, adapter);
break;
}
}
{ /* Smart Power Down */
struct e1000_option opt = {
.type = enable_option,
.name = "PHY Smart Power Down",
.err = "defaulting to Disabled",
.def = OPTION_DISABLED
};
int spd = SmartPowerDownEnable[bd];
e1000_validate_option(&spd, &opt, adapter);
adapter->smart_power_down = spd;
}
{ /* Kumeran Lock Loss Workaround */
struct e1000_option opt = {
.type = enable_option,
.name = "Kumeran Lock Loss Workaround",
.err = "defaulting to Enabled",
.def = OPTION_ENABLED
};
int kmrn_lock_loss = KumeranLockLoss[bd];
e1000_validate_option(&kmrn_lock_loss, &opt, adapter);
adapter->hw.kmrn_lock_loss_workaround_disabled = !kmrn_lock_loss;
}
switch (adapter->hw.media_type) {
case e1000_media_type_fiber:
case e1000_media_type_internal_serdes:
e1000_check_fiber_options(adapter);
break;
case e1000_media_type_copper:
e1000_check_copper_options(adapter);
break;
default:
BUG();
}
}
/**
* e1000_check_fiber_options - Range Checking for Link Options, Fiber Version
* @adapter: board private structure
*
* Handles speed and duplex options on fiber adapters
**/
static void __devinit
e1000_check_fiber_options(struct e1000_adapter *adapter)
{
int bd = adapter->bd_number;
bd = bd > E1000_MAX_NIC ? E1000_MAX_NIC : bd;
if ((Speed[bd] != OPTION_UNSET)) {
DPRINTK(PROBE, INFO, "Speed not valid for fiber adapters, "
"parameter ignored\n");
}
if ((Duplex[bd] != OPTION_UNSET)) {
DPRINTK(PROBE, INFO, "Duplex not valid for fiber adapters, "
"parameter ignored\n");
}
if ((AutoNeg[bd] != OPTION_UNSET) && (AutoNeg[bd] != 0x20)) {
DPRINTK(PROBE, INFO, "AutoNeg other than 1000/Full is "
"not valid for fiber adapters, "
"parameter ignored\n");
}
}
/**
* e1000_check_copper_options - Range Checking for Link Options, Copper Version
* @adapter: board private structure
*
* Handles speed and duplex options on copper adapters
**/
static void __devinit
e1000_check_copper_options(struct e1000_adapter *adapter)
{
int speed, dplx, an;
int bd = adapter->bd_number;
bd = bd > E1000_MAX_NIC ? E1000_MAX_NIC : bd;
{ /* Speed */
struct e1000_opt_list speed_list[] = {{ 0, "" },
{ SPEED_10, "" },
{ SPEED_100, "" },
{ SPEED_1000, "" }};
struct e1000_option opt = {
.type = list_option,
.name = "Speed",
.err = "parameter ignored",
.def = 0,
.arg = { .l = { .nr = ARRAY_SIZE(speed_list),
.p = speed_list }}
};
speed = Speed[bd];
e1000_validate_option(&speed, &opt, adapter);
}
{ /* Duplex */
struct e1000_opt_list dplx_list[] = {{ 0, "" },
{ HALF_DUPLEX, "" },
{ FULL_DUPLEX, "" }};
struct e1000_option opt = {
.type = list_option,
.name = "Duplex",
.err = "parameter ignored",
.def = 0,
.arg = { .l = { .nr = ARRAY_SIZE(dplx_list),
.p = dplx_list }}
};
if (e1000_check_phy_reset_block(&adapter->hw)) {
DPRINTK(PROBE, INFO,
"Link active due to SoL/IDER Session. "
"Speed/Duplex/AutoNeg parameter ignored.\n");
return;
}
dplx = Duplex[bd];
e1000_validate_option(&dplx, &opt, adapter);
}
if (AutoNeg[bd] != OPTION_UNSET && (speed != 0 || dplx != 0)) {
DPRINTK(PROBE, INFO,
"AutoNeg specified along with Speed or Duplex, "
"parameter ignored\n");
adapter->hw.autoneg_advertised = AUTONEG_ADV_DEFAULT;
} else { /* Autoneg */
struct e1000_opt_list an_list[] =
#define AA "AutoNeg advertising "
{{ 0x01, AA "10/HD" },
{ 0x02, AA "10/FD" },
{ 0x03, AA "10/FD, 10/HD" },
{ 0x04, AA "100/HD" },
{ 0x05, AA "100/HD, 10/HD" },
{ 0x06, AA "100/HD, 10/FD" },
{ 0x07, AA "100/HD, 10/FD, 10/HD" },
{ 0x08, AA "100/FD" },
{ 0x09, AA "100/FD, 10/HD" },
{ 0x0a, AA "100/FD, 10/FD" },
{ 0x0b, AA "100/FD, 10/FD, 10/HD" },
{ 0x0c, AA "100/FD, 100/HD" },
{ 0x0d, AA "100/FD, 100/HD, 10/HD" },
{ 0x0e, AA "100/FD, 100/HD, 10/FD" },
{ 0x0f, AA "100/FD, 100/HD, 10/FD, 10/HD" },
{ 0x20, AA "1000/FD" },
{ 0x21, AA "1000/FD, 10/HD" },
{ 0x22, AA "1000/FD, 10/FD" },
{ 0x23, AA "1000/FD, 10/FD, 10/HD" },
{ 0x24, AA "1000/FD, 100/HD" },
{ 0x25, AA "1000/FD, 100/HD, 10/HD" },
{ 0x26, AA "1000/FD, 100/HD, 10/FD" },
{ 0x27, AA "1000/FD, 100/HD, 10/FD, 10/HD" },
{ 0x28, AA "1000/FD, 100/FD" },
{ 0x29, AA "1000/FD, 100/FD, 10/HD" },
{ 0x2a, AA "1000/FD, 100/FD, 10/FD" },
{ 0x2b, AA "1000/FD, 100/FD, 10/FD, 10/HD" },
{ 0x2c, AA "1000/FD, 100/FD, 100/HD" },
{ 0x2d, AA "1000/FD, 100/FD, 100/HD, 10/HD" },
{ 0x2e, AA "1000/FD, 100/FD, 100/HD, 10/FD" },
{ 0x2f, AA "1000/FD, 100/FD, 100/HD, 10/FD, 10/HD" }};
struct e1000_option opt = {
.type = list_option,
.name = "AutoNeg",
.err = "parameter ignored",
.def = AUTONEG_ADV_DEFAULT,
.arg = { .l = { .nr = ARRAY_SIZE(an_list),
.p = an_list }}
};
an = AutoNeg[bd];
e1000_validate_option(&an, &opt, adapter);
adapter->hw.autoneg_advertised = an;
}
switch (speed + dplx) {
case 0:
adapter->hw.autoneg = adapter->fc_autoneg = 1;
if (Speed[bd] != OPTION_UNSET || Duplex[bd] != OPTION_UNSET)
DPRINTK(PROBE, INFO,
"Speed and duplex autonegotiation enabled\n");
break;
case HALF_DUPLEX:
DPRINTK(PROBE, INFO, "Half Duplex specified without Speed\n");
DPRINTK(PROBE, INFO, "Using Autonegotiation at "
"Half Duplex only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
ADVERTISE_100_HALF;
break;
case FULL_DUPLEX:
DPRINTK(PROBE, INFO, "Full Duplex specified without Speed\n");
DPRINTK(PROBE, INFO, "Using Autonegotiation at "
"Full Duplex only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_10_FULL |
ADVERTISE_100_FULL |
ADVERTISE_1000_FULL;
break;
case SPEED_10:
DPRINTK(PROBE, INFO, "10 Mbps Speed specified "
"without Duplex\n");
DPRINTK(PROBE, INFO, "Using Autonegotiation at 10 Mbps only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_10_HALF |
ADVERTISE_10_FULL;
break;
case SPEED_10 + HALF_DUPLEX:
DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Half Duplex\n");
adapter->hw.autoneg = adapter->fc_autoneg = 0;
adapter->hw.forced_speed_duplex = e1000_10_half;
adapter->hw.autoneg_advertised = 0;
break;
case SPEED_10 + FULL_DUPLEX:
DPRINTK(PROBE, INFO, "Forcing to 10 Mbps Full Duplex\n");
adapter->hw.autoneg = adapter->fc_autoneg = 0;
adapter->hw.forced_speed_duplex = e1000_10_full;
adapter->hw.autoneg_advertised = 0;
break;
case SPEED_100:
DPRINTK(PROBE, INFO, "100 Mbps Speed specified "
"without Duplex\n");
DPRINTK(PROBE, INFO, "Using Autonegotiation at "
"100 Mbps only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_100_HALF |
ADVERTISE_100_FULL;
break;
case SPEED_100 + HALF_DUPLEX:
DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Half Duplex\n");
adapter->hw.autoneg = adapter->fc_autoneg = 0;
adapter->hw.forced_speed_duplex = e1000_100_half;
adapter->hw.autoneg_advertised = 0;
break;
case SPEED_100 + FULL_DUPLEX:
DPRINTK(PROBE, INFO, "Forcing to 100 Mbps Full Duplex\n");
adapter->hw.autoneg = adapter->fc_autoneg = 0;
adapter->hw.forced_speed_duplex = e1000_100_full;
adapter->hw.autoneg_advertised = 0;
break;
case SPEED_1000:
DPRINTK(PROBE, INFO, "1000 Mbps Speed specified without "
"Duplex\n");
DPRINTK(PROBE, INFO,
"Using Autonegotiation at 1000 Mbps "
"Full Duplex only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
break;
case SPEED_1000 + HALF_DUPLEX:
DPRINTK(PROBE, INFO,
"Half Duplex is not supported at 1000 Mbps\n");
DPRINTK(PROBE, INFO,
"Using Autonegotiation at 1000 Mbps "
"Full Duplex only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
break;
case SPEED_1000 + FULL_DUPLEX:
DPRINTK(PROBE, INFO,
"Using Autonegotiation at 1000 Mbps Full Duplex only\n");
adapter->hw.autoneg = adapter->fc_autoneg = 1;
adapter->hw.autoneg_advertised = ADVERTISE_1000_FULL;
break;
default:
BUG();
}
/* Speed, AutoNeg and MDI/MDI-X must all play nice */
if (e1000_validate_mdi_setting(&(adapter->hw)) < 0) {
DPRINTK(PROBE, INFO,
"Speed, AutoNeg and MDI-X specifications are "
"incompatible. Setting MDI-X to a compatible value.\n");
}
}