326 lines
10 KiB
C
326 lines
10 KiB
C
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/*
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* Agere Systems Inc.
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* 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
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*
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* Copyright <EFBFBD> 2005 Agere Systems Inc.
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* All rights reserved.
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* http://www.agere.com
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*
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*------------------------------------------------------------------------------
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*
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* et131x_config.c - Handles parsing of configuration data during
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* initialization.
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*
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*------------------------------------------------------------------------------
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*
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* SOFTWARE LICENSE
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*
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* This software is provided subject to the following terms and conditions,
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* which you should read carefully before using the software. Using this
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* software indicates your acceptance of these terms and conditions. If you do
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* not agree with these terms and conditions, do not use the software.
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*
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* Copyright <EFBFBD> 2005 Agere Systems Inc.
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* All rights reserved.
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*
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* Redistribution and use in source or binary forms, with or without
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* modifications, are permitted provided that the following conditions are met:
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*
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* . Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following Disclaimer as comments in the code as
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* well as in the documentation and/or other materials provided with the
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* distribution.
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*
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* . Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following Disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* . Neither the name of Agere Systems Inc. nor the names of the contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* Disclaimer
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*
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* THIS SOFTWARE IS PROVIDED <EFBFBD>AS IS<EFBFBD> AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY
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* USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
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* RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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*/
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#include "et131x_version.h"
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#include "et131x_debug.h"
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#include "et131x_defs.h"
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/ptrace.h>
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#include <linux/slab.h>
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#include <linux/ctype.h>
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#include <linux/string.h>
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#include <linux/timer.h>
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#include <linux/interrupt.h>
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#include <linux/in.h>
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#include <linux/delay.h>
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#include <asm/io.h>
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#include <asm/system.h>
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#include <asm/bitops.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/skbuff.h>
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#include <linux/if_arp.h>
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#include <linux/ioport.h>
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#include "et1310_phy.h"
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#include "et1310_pm.h"
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#include "et1310_jagcore.h"
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#include "et131x_adapter.h"
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#include "et131x_initpci.h"
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#include "et131x_config.h"
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#include "et1310_tx.h"
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/* Data for debugging facilities */
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#ifdef CONFIG_ET131X_DEBUG
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extern dbg_info_t *et131x_dbginfo;
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#endif /* CONFIG_ET131X_DEBUG */
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/* Defines for Parameter Default/Min/Max vaules */
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#define PARM_SPEED_DUPLEX_DEF 0
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#define PARM_SPEED_DUPLEX_MIN 0
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#define PARM_SPEED_DUPLEX_MAX 5
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#define PARM_VLAN_TAG_DEF 0
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#define PARM_VLAN_TAG_MIN 0
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#define PARM_VLAN_TAG_MAX 4095
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#define PARM_FLOW_CTL_DEF 0
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#define PARM_FLOW_CTL_MIN 0
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#define PARM_FLOW_CTL_MAX 3
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#define PARM_WOL_LINK_DEF 3
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#define PARM_WOL_LINK_MIN 0
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#define PARM_WOL_LINK_MAX 3
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#define PARM_WOL_MATCH_DEF 7
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#define PARM_WOL_MATCH_MIN 0
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#define PARM_WOL_MATCH_MAX 7
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#define PARM_JUMBO_PKT_DEF 1514
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#define PARM_JUMBO_PKT_MIN 1514
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#define PARM_JUMBO_PKT_MAX 9216
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#define PARM_PHY_COMA_DEF 0
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#define PARM_PHY_COMA_MIN 0
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#define PARM_PHY_COMA_MAX 1
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#define PARM_RX_NUM_BUFS_DEF 4
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#define PARM_RX_NUM_BUFS_MIN 1
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#define PARM_RX_NUM_BUFS_MAX 64
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#define PARM_RX_TIME_INT_DEF 10
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#define PARM_RX_TIME_INT_MIN 2
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#define PARM_RX_TIME_INT_MAX 320
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#define PARM_TX_NUM_BUFS_DEF 4
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#define PARM_TX_NUM_BUFS_MIN 1
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#define PARM_TX_NUM_BUFS_MAX 40
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#define PARM_TX_TIME_INT_DEF 40
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#define PARM_TX_TIME_INT_MIN 1
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#define PARM_TX_TIME_INT_MAX 140
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#define PARM_RX_MEM_END_DEF 0x2bc
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#define PARM_RX_MEM_END_MIN 0
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#define PARM_RX_MEM_END_MAX 0x3ff
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#define PARM_MAC_STAT_DEF 1
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#define PARM_MAC_STAT_MIN 0
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#define PARM_MAC_STAT_MAX 1
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#define PARM_SC_GAIN_DEF 7
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#define PARM_SC_GAIN_MIN 0
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#define PARM_SC_GAIN_MAX 7
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#define PARM_PM_WOL_DEF 0
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#define PARM_PM_WOL_MIN 0
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#define PARM_PM_WOL_MAX 1
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#define PARM_NMI_DISABLE_DEF 0
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#define PARM_NMI_DISABLE_MIN 0
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#define PARM_NMI_DISABLE_MAX 2
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#define PARM_DMA_CACHE_DEF 0
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#define PARM_DMA_CACHE_MIN 0
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#define PARM_DMA_CACHE_MAX 15
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#define PARM_PHY_LOOPBK_DEF 0
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#define PARM_PHY_LOOPBK_MIN 0
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#define PARM_PHY_LOOPBK_MAX 1
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#define PARM_MAC_ADDRESS_DEF { 0x00, 0x05, 0x3d, 0x00, 0x02, 0x00 }
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/* Module parameter for disabling NMI
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* et131x_speed_set :
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* Set Link speed and dublex manually (0-5) [0]
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* 1 : 10Mb Half-Duplex
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* 2 : 10Mb Full-Duplex
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* 3 : 100Mb Half-Duplex
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* 4 : 100Mb Full-Duplex
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* 5 : 1000Mb Full-Duplex
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* 0 : Auto Speed Auto Dublex // default
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*/
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static u32 et131x_nmi_disable = PARM_NMI_DISABLE_DEF;
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module_param(et131x_nmi_disable, uint, 0);
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MODULE_PARM_DESC(et131x_nmi_disable, "Disable NMI (0-2) [0]");
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/* Module parameter for manual speed setting
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* et131x_nmi_disable :
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* Disable NMI (0-2) [0]
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* 0 :
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* 1 :
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* 2 :
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*/
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static u32 et131x_speed_set = PARM_SPEED_DUPLEX_DEF;
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module_param(et131x_speed_set, uint, 0);
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MODULE_PARM_DESC(et131x_speed_set,
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"Set Link speed and dublex manually (0-5) [0] \n 1 : 10Mb Half-Duplex \n 2 : 10Mb Full-Duplex \n 3 : 100Mb Half-Duplex \n 4 : 100Mb Full-Duplex \n 5 : 1000Mb Full-Duplex \n 0 : Auto Speed Auto Dublex");
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/**
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* et131x_config_parse
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* @pAdapter: pointer to the private adapter struct
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*
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* Parses a configuration from some location (module parameters, for example)
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* into the private adapter struct
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*/
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void et131x_config_parse(struct et131x_adapter *pAdapter)
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{
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uint8_t macAddrDef[] = PARM_MAC_ADDRESS_DEF;
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DBG_ENTER(et131x_dbginfo);
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/*
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* The NDIS driver uses the registry to store persistent per-device
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* configuration, and reads this configuration into the appropriate
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* elements of the private adapter structure on initialization.
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* Because Linux has no analog to the registry, use this function to
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* initialize the private adapter structure with a default
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* configuration.
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*
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* One other possibility is to use a series of module parameters which
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* can be passed in by the caller when the module is initialized.
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* However, this implementation does not allow for seperate
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* configurations in the event multiple devices are present, and hence
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* will not suffice.
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*
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* If another method is derived which addresses this problem, this is
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* where it should be implemented.
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*/
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/* Set the private adapter struct with default values for the
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* corresponding parameters
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*/
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if (et131x_speed_set != PARM_SPEED_DUPLEX_DEF) {
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DBG_VERBOSE(et131x_dbginfo, "Speed set manually to : %d \n",
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et131x_speed_set);
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pAdapter->SpeedDuplex = et131x_speed_set;
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} else {
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pAdapter->SpeedDuplex = PARM_SPEED_DUPLEX_DEF;
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}
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// pAdapter->SpeedDuplex = PARM_SPEED_DUPLEX_DEF;
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pAdapter->RegistryVlanTag = PARM_VLAN_TAG_DEF;
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pAdapter->RegistryFlowControl = PARM_FLOW_CTL_DEF;
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pAdapter->RegistryWOLLink = PARM_WOL_LINK_DEF;
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pAdapter->RegistryWOLMatch = PARM_WOL_MATCH_DEF;
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pAdapter->RegistryJumboPacket = PARM_JUMBO_PKT_DEF;
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pAdapter->RegistryPhyComa = PARM_PHY_COMA_DEF;
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pAdapter->RegistryRxNumBuffers = PARM_RX_NUM_BUFS_DEF;
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pAdapter->RegistryRxTimeInterval = PARM_RX_TIME_INT_DEF;
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pAdapter->RegistryTxNumBuffers = PARM_TX_NUM_BUFS_DEF;
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pAdapter->RegistryTxTimeInterval = PARM_TX_TIME_INT_DEF;
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pAdapter->RegistryRxMemEnd = PARM_RX_MEM_END_DEF;
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pAdapter->RegistryMACStat = PARM_MAC_STAT_DEF;
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pAdapter->RegistrySCGain = PARM_SC_GAIN_DEF;
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pAdapter->RegistryPMWOL = PARM_PM_WOL_DEF;
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if (et131x_nmi_disable != PARM_NMI_DISABLE_DEF) {
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pAdapter->RegistryNMIDisable = et131x_nmi_disable;
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} else {
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pAdapter->RegistryNMIDisable = PARM_NMI_DISABLE_DEF;
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}
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pAdapter->RegistryDMACache = PARM_DMA_CACHE_DEF;
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pAdapter->RegistryPhyLoopbk = PARM_PHY_LOOPBK_DEF;
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/* Set the MAC address to a default */
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memcpy(pAdapter->CurrentAddress, macAddrDef, ETH_ALEN);
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pAdapter->bOverrideAddress = false;
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DBG_TRACE(et131x_dbginfo,
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"Default MAC Address : %02x:%02x:%02x:%02x:%02x:%02x\n",
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pAdapter->CurrentAddress[0], pAdapter->CurrentAddress[1],
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pAdapter->CurrentAddress[2], pAdapter->CurrentAddress[3],
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pAdapter->CurrentAddress[4], pAdapter->CurrentAddress[5]);
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/* Decode SpeedDuplex
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*
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* Set up as if we are auto negotiating always and then change if we
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* go into force mode
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*/
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pAdapter->AiForceSpeed = 0; // Auto speed
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pAdapter->AiForceDpx = 0; // Auto FDX
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/* If we are the 10/100 device, and gigabit is somehow requested then
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* knock it down to 100 full.
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*/
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if ((pAdapter->DeviceID == ET131X_PCI_DEVICE_ID_FAST) &&
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(pAdapter->SpeedDuplex == 5)) {
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pAdapter->SpeedDuplex = 4;
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}
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switch (pAdapter->SpeedDuplex) {
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case 1: // 10Mb Half-Duplex
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pAdapter->AiForceSpeed = 10;
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pAdapter->AiForceDpx = 1;
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break;
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case 2: // 10Mb Full-Duplex
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pAdapter->AiForceSpeed = 10;
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pAdapter->AiForceDpx = 2;
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break;
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case 3: // 100Mb Half-Duplex
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pAdapter->AiForceSpeed = 100;
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pAdapter->AiForceDpx = 1;
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break;
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case 4: // 100Mb Full-Duplex
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pAdapter->AiForceSpeed = 100;
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pAdapter->AiForceDpx = 2;
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break;
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case 5: // 1000Mb Full-Duplex
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pAdapter->AiForceSpeed = 1000;
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pAdapter->AiForceDpx = 2;
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break;
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}
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DBG_LEAVE(et131x_dbginfo);
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}
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