mirror of https://gitee.com/openkylin/linux.git
269 lines
7.2 KiB
C
269 lines
7.2 KiB
C
/*
|
|
* Copyright(c) 2007 Atheros Corporation. All rights reserved.
|
|
*
|
|
* Derived from Intel e1000 driver
|
|
* Copyright(c) 1999 - 2005 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.
|
|
*/
|
|
|
|
#include <linux/netdevice.h>
|
|
|
|
#include "atl1e.h"
|
|
|
|
/* This is the only thing that needs to be changed to adjust the
|
|
* maximum number of ports that the driver can manage.
|
|
*/
|
|
|
|
#define ATL1E_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 ATL1E_PARAM_INIT { [0 ... ATL1E_MAX_NIC] = OPTION_UNSET }
|
|
|
|
#define ATL1E_PARAM(x, desc) \
|
|
static int __devinitdata x[ATL1E_MAX_NIC + 1] = ATL1E_PARAM_INIT; \
|
|
static unsigned int num_##x; \
|
|
module_param_array_named(x, x, int, &num_##x, 0); \
|
|
MODULE_PARM_DESC(x, desc);
|
|
|
|
/* Transmit Memory count
|
|
*
|
|
* Valid Range: 64-2048
|
|
*
|
|
* Default Value: 128
|
|
*/
|
|
#define ATL1E_MIN_TX_DESC_CNT 32
|
|
#define ATL1E_MAX_TX_DESC_CNT 1020
|
|
#define ATL1E_DEFAULT_TX_DESC_CNT 128
|
|
ATL1E_PARAM(tx_desc_cnt, "Transmit description count");
|
|
|
|
/* Receive Memory Block Count
|
|
*
|
|
* Valid Range: 16-512
|
|
*
|
|
* Default Value: 128
|
|
*/
|
|
#define ATL1E_MIN_RX_MEM_SIZE 8 /* 8KB */
|
|
#define ATL1E_MAX_RX_MEM_SIZE 1024 /* 1MB */
|
|
#define ATL1E_DEFAULT_RX_MEM_SIZE 256 /* 128KB */
|
|
ATL1E_PARAM(rx_mem_size, "memory size of rx buffer(KB)");
|
|
|
|
/* User Specified MediaType Override
|
|
*
|
|
* Valid Range: 0-5
|
|
* - 0 - auto-negotiate at all supported speeds
|
|
* - 1 - only link at 100Mbps Full Duplex
|
|
* - 2 - only link at 100Mbps Half Duplex
|
|
* - 3 - only link at 10Mbps Full Duplex
|
|
* - 4 - only link at 10Mbps Half Duplex
|
|
* Default Value: 0
|
|
*/
|
|
|
|
ATL1E_PARAM(media_type, "MediaType Select");
|
|
|
|
/* Interrupt Moderate Timer in units of 2 us
|
|
*
|
|
* Valid Range: 10-65535
|
|
*
|
|
* Default Value: 45000(90ms)
|
|
*/
|
|
#define INT_MOD_DEFAULT_CNT 100 /* 200us */
|
|
#define INT_MOD_MAX_CNT 65000
|
|
#define INT_MOD_MIN_CNT 50
|
|
ATL1E_PARAM(int_mod_timer, "Interrupt Moderator Timer");
|
|
|
|
#define AUTONEG_ADV_DEFAULT 0x2F
|
|
#define AUTONEG_ADV_MASK 0x2F
|
|
#define FLOW_CONTROL_DEFAULT FLOW_CONTROL_FULL
|
|
|
|
#define FLASH_VENDOR_DEFAULT 0
|
|
#define FLASH_VENDOR_MIN 0
|
|
#define FLASH_VENDOR_MAX 2
|
|
|
|
struct atl1e_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 atl1e_opt_list { int i; char *str; } *p;
|
|
} l;
|
|
} arg;
|
|
};
|
|
|
|
static int __devinit atl1e_validate_option(int *value, struct atl1e_option *opt, struct atl1e_adapter *adapter)
|
|
{
|
|
if (*value == OPTION_UNSET) {
|
|
*value = opt->def;
|
|
return 0;
|
|
}
|
|
|
|
switch (opt->type) {
|
|
case enable_option:
|
|
switch (*value) {
|
|
case OPTION_ENABLED:
|
|
netdev_info(adapter->netdev,
|
|
"%s Enabled\n", opt->name);
|
|
return 0;
|
|
case OPTION_DISABLED:
|
|
netdev_info(adapter->netdev,
|
|
"%s Disabled\n", opt->name);
|
|
return 0;
|
|
}
|
|
break;
|
|
case range_option:
|
|
if (*value >= opt->arg.r.min && *value <= opt->arg.r.max) {
|
|
netdev_info(adapter->netdev, "%s set to %i\n",
|
|
opt->name, *value);
|
|
return 0;
|
|
}
|
|
break;
|
|
case list_option:{
|
|
int i;
|
|
struct atl1e_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')
|
|
netdev_info(adapter->netdev,
|
|
"%s\n", ent->str);
|
|
return 0;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
BUG();
|
|
}
|
|
|
|
netdev_info(adapter->netdev, "Invalid %s specified (%i) %s\n",
|
|
opt->name, *value, opt->err);
|
|
*value = opt->def;
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* atl1e_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 atl1e_check_options(struct atl1e_adapter *adapter)
|
|
{
|
|
int bd = adapter->bd_number;
|
|
|
|
if (bd >= ATL1E_MAX_NIC) {
|
|
netdev_notice(adapter->netdev,
|
|
"no configuration for board #%i\n", bd);
|
|
netdev_notice(adapter->netdev,
|
|
"Using defaults for all values\n");
|
|
}
|
|
|
|
{ /* Transmit Ring Size */
|
|
struct atl1e_option opt = {
|
|
.type = range_option,
|
|
.name = "Transmit Ddescription Count",
|
|
.err = "using default of "
|
|
__MODULE_STRING(ATL1E_DEFAULT_TX_DESC_CNT),
|
|
.def = ATL1E_DEFAULT_TX_DESC_CNT,
|
|
.arg = { .r = { .min = ATL1E_MIN_TX_DESC_CNT,
|
|
.max = ATL1E_MAX_TX_DESC_CNT} }
|
|
};
|
|
int val;
|
|
if (num_tx_desc_cnt > bd) {
|
|
val = tx_desc_cnt[bd];
|
|
atl1e_validate_option(&val, &opt, adapter);
|
|
adapter->tx_ring.count = (u16) val & 0xFFFC;
|
|
} else
|
|
adapter->tx_ring.count = (u16)opt.def;
|
|
}
|
|
|
|
{ /* Receive Memory Block Count */
|
|
struct atl1e_option opt = {
|
|
.type = range_option,
|
|
.name = "Memory size of rx buffer(KB)",
|
|
.err = "using default of "
|
|
__MODULE_STRING(ATL1E_DEFAULT_RX_MEM_SIZE),
|
|
.def = ATL1E_DEFAULT_RX_MEM_SIZE,
|
|
.arg = { .r = { .min = ATL1E_MIN_RX_MEM_SIZE,
|
|
.max = ATL1E_MAX_RX_MEM_SIZE} }
|
|
};
|
|
int val;
|
|
if (num_rx_mem_size > bd) {
|
|
val = rx_mem_size[bd];
|
|
atl1e_validate_option(&val, &opt, adapter);
|
|
adapter->rx_ring.page_size = (u32)val * 1024;
|
|
} else {
|
|
adapter->rx_ring.page_size = (u32)opt.def * 1024;
|
|
}
|
|
}
|
|
|
|
{ /* Interrupt Moderate Timer */
|
|
struct atl1e_option opt = {
|
|
.type = range_option,
|
|
.name = "Interrupt Moderate Timer",
|
|
.err = "using default of "
|
|
__MODULE_STRING(INT_MOD_DEFAULT_CNT),
|
|
.def = INT_MOD_DEFAULT_CNT,
|
|
.arg = { .r = { .min = INT_MOD_MIN_CNT,
|
|
.max = INT_MOD_MAX_CNT} }
|
|
} ;
|
|
int val;
|
|
if (num_int_mod_timer > bd) {
|
|
val = int_mod_timer[bd];
|
|
atl1e_validate_option(&val, &opt, adapter);
|
|
adapter->hw.imt = (u16) val;
|
|
} else
|
|
adapter->hw.imt = (u16)(opt.def);
|
|
}
|
|
|
|
{ /* MediaType */
|
|
struct atl1e_option opt = {
|
|
.type = range_option,
|
|
.name = "Speed/Duplex Selection",
|
|
.err = "using default of "
|
|
__MODULE_STRING(MEDIA_TYPE_AUTO_SENSOR),
|
|
.def = MEDIA_TYPE_AUTO_SENSOR,
|
|
.arg = { .r = { .min = MEDIA_TYPE_AUTO_SENSOR,
|
|
.max = MEDIA_TYPE_10M_HALF} }
|
|
} ;
|
|
int val;
|
|
if (num_media_type > bd) {
|
|
val = media_type[bd];
|
|
atl1e_validate_option(&val, &opt, adapter);
|
|
adapter->hw.media_type = (u16) val;
|
|
} else
|
|
adapter->hw.media_type = (u16)(opt.def);
|
|
|
|
}
|
|
}
|