mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-26 19:00:25 +00:00
![Huang Weiyi](/assets/img/avatar_default.png)
The drivers below do not use LINUX_VERSION_CODE nor KERNEL_VERSION. drivers/net/acenic.c drivers/net/bnx2x_link.c drivers/net/bnx2x_main.c drivers/net/cpmac.c drivers/net/gianfar_sysfs.c drivers/net/ipg.h drivers/net/ppp_mppe.c drivers/net/pppol2tp.c drivers/net/r6040.c drivers/net/sh_eth.c drivers/net/sky2.c drivers/net/tehuti.h drivers/net/typhoon.c This patch removes the said #include <linux/version.h>. Signed-off-by: Huang Weiyi <hwy@cn.fujitsu.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
312 lines
7.9 KiB
C
312 lines
7.9 KiB
C
/*
|
|
* drivers/net/gianfar_sysfs.c
|
|
*
|
|
* Gianfar Ethernet Driver
|
|
* This driver is designed for the non-CPM ethernet controllers
|
|
* on the 85xx and 83xx family of integrated processors
|
|
* Based on 8260_io/fcc_enet.c
|
|
*
|
|
* Author: Andy Fleming
|
|
* Maintainer: Kumar Gala (galak@kernel.crashing.org)
|
|
*
|
|
* Copyright (c) 2002-2005 Freescale Semiconductor, Inc.
|
|
*
|
|
* 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.
|
|
*
|
|
* Sysfs file creation and management
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/string.h>
|
|
#include <linux/errno.h>
|
|
#include <linux/unistd.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/init.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/etherdevice.h>
|
|
#include <linux/spinlock.h>
|
|
#include <linux/mm.h>
|
|
#include <linux/device.h>
|
|
|
|
#include <asm/uaccess.h>
|
|
#include <linux/module.h>
|
|
|
|
#include "gianfar.h"
|
|
|
|
static ssize_t gfar_show_bd_stash(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(to_net_dev(dev));
|
|
|
|
return sprintf(buf, "%s\n", priv->bd_stash_en ? "on" : "off");
|
|
}
|
|
|
|
static ssize_t gfar_set_bd_stash(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(to_net_dev(dev));
|
|
int new_setting = 0;
|
|
u32 temp;
|
|
unsigned long flags;
|
|
|
|
/* Find out the new setting */
|
|
if (!strncmp("on", buf, count - 1) || !strncmp("1", buf, count - 1))
|
|
new_setting = 1;
|
|
else if (!strncmp("off", buf, count - 1)
|
|
|| !strncmp("0", buf, count - 1))
|
|
new_setting = 0;
|
|
else
|
|
return count;
|
|
|
|
spin_lock_irqsave(&priv->rxlock, flags);
|
|
|
|
/* Set the new stashing value */
|
|
priv->bd_stash_en = new_setting;
|
|
|
|
temp = gfar_read(&priv->regs->attr);
|
|
|
|
if (new_setting)
|
|
temp |= ATTR_BDSTASH;
|
|
else
|
|
temp &= ~(ATTR_BDSTASH);
|
|
|
|
gfar_write(&priv->regs->attr, temp);
|
|
|
|
spin_unlock_irqrestore(&priv->rxlock, flags);
|
|
|
|
return count;
|
|
}
|
|
|
|
DEVICE_ATTR(bd_stash, 0644, gfar_show_bd_stash, gfar_set_bd_stash);
|
|
|
|
static ssize_t gfar_show_rx_stash_size(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(to_net_dev(dev));
|
|
|
|
return sprintf(buf, "%d\n", priv->rx_stash_size);
|
|
}
|
|
|
|
static ssize_t gfar_set_rx_stash_size(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(to_net_dev(dev));
|
|
unsigned int length = simple_strtoul(buf, NULL, 0);
|
|
u32 temp;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&priv->rxlock, flags);
|
|
if (length > priv->rx_buffer_size)
|
|
goto out;
|
|
|
|
if (length == priv->rx_stash_size)
|
|
goto out;
|
|
|
|
priv->rx_stash_size = length;
|
|
|
|
temp = gfar_read(&priv->regs->attreli);
|
|
temp &= ~ATTRELI_EL_MASK;
|
|
temp |= ATTRELI_EL(length);
|
|
gfar_write(&priv->regs->attreli, temp);
|
|
|
|
/* Turn stashing on/off as appropriate */
|
|
temp = gfar_read(&priv->regs->attr);
|
|
|
|
if (length)
|
|
temp |= ATTR_BUFSTASH;
|
|
else
|
|
temp &= ~(ATTR_BUFSTASH);
|
|
|
|
gfar_write(&priv->regs->attr, temp);
|
|
|
|
out:
|
|
spin_unlock_irqrestore(&priv->rxlock, flags);
|
|
|
|
return count;
|
|
}
|
|
|
|
DEVICE_ATTR(rx_stash_size, 0644, gfar_show_rx_stash_size,
|
|
gfar_set_rx_stash_size);
|
|
|
|
/* Stashing will only be enabled when rx_stash_size != 0 */
|
|
static ssize_t gfar_show_rx_stash_index(struct device *dev,
|
|
struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(to_net_dev(dev));
|
|
|
|
return sprintf(buf, "%d\n", priv->rx_stash_index);
|
|
}
|
|
|
|
static ssize_t gfar_set_rx_stash_index(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(to_net_dev(dev));
|
|
unsigned short index = simple_strtoul(buf, NULL, 0);
|
|
u32 temp;
|
|
unsigned long flags;
|
|
|
|
spin_lock_irqsave(&priv->rxlock, flags);
|
|
if (index > priv->rx_stash_size)
|
|
goto out;
|
|
|
|
if (index == priv->rx_stash_index)
|
|
goto out;
|
|
|
|
priv->rx_stash_index = index;
|
|
|
|
temp = gfar_read(&priv->regs->attreli);
|
|
temp &= ~ATTRELI_EI_MASK;
|
|
temp |= ATTRELI_EI(index);
|
|
gfar_write(&priv->regs->attreli, flags);
|
|
|
|
out:
|
|
spin_unlock_irqrestore(&priv->rxlock, flags);
|
|
|
|
return count;
|
|
}
|
|
|
|
DEVICE_ATTR(rx_stash_index, 0644, gfar_show_rx_stash_index,
|
|
gfar_set_rx_stash_index);
|
|
|
|
static ssize_t gfar_show_fifo_threshold(struct device *dev,
|
|
struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(to_net_dev(dev));
|
|
|
|
return sprintf(buf, "%d\n", priv->fifo_threshold);
|
|
}
|
|
|
|
static ssize_t gfar_set_fifo_threshold(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(to_net_dev(dev));
|
|
unsigned int length = simple_strtoul(buf, NULL, 0);
|
|
u32 temp;
|
|
unsigned long flags;
|
|
|
|
if (length > GFAR_MAX_FIFO_THRESHOLD)
|
|
return count;
|
|
|
|
spin_lock_irqsave(&priv->txlock, flags);
|
|
|
|
priv->fifo_threshold = length;
|
|
|
|
temp = gfar_read(&priv->regs->fifo_tx_thr);
|
|
temp &= ~FIFO_TX_THR_MASK;
|
|
temp |= length;
|
|
gfar_write(&priv->regs->fifo_tx_thr, temp);
|
|
|
|
spin_unlock_irqrestore(&priv->txlock, flags);
|
|
|
|
return count;
|
|
}
|
|
|
|
DEVICE_ATTR(fifo_threshold, 0644, gfar_show_fifo_threshold,
|
|
gfar_set_fifo_threshold);
|
|
|
|
static ssize_t gfar_show_fifo_starve(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(to_net_dev(dev));
|
|
|
|
return sprintf(buf, "%d\n", priv->fifo_starve);
|
|
}
|
|
|
|
static ssize_t gfar_set_fifo_starve(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(to_net_dev(dev));
|
|
unsigned int num = simple_strtoul(buf, NULL, 0);
|
|
u32 temp;
|
|
unsigned long flags;
|
|
|
|
if (num > GFAR_MAX_FIFO_STARVE)
|
|
return count;
|
|
|
|
spin_lock_irqsave(&priv->txlock, flags);
|
|
|
|
priv->fifo_starve = num;
|
|
|
|
temp = gfar_read(&priv->regs->fifo_tx_starve);
|
|
temp &= ~FIFO_TX_STARVE_MASK;
|
|
temp |= num;
|
|
gfar_write(&priv->regs->fifo_tx_starve, temp);
|
|
|
|
spin_unlock_irqrestore(&priv->txlock, flags);
|
|
|
|
return count;
|
|
}
|
|
|
|
DEVICE_ATTR(fifo_starve, 0644, gfar_show_fifo_starve, gfar_set_fifo_starve);
|
|
|
|
static ssize_t gfar_show_fifo_starve_off(struct device *dev,
|
|
struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(to_net_dev(dev));
|
|
|
|
return sprintf(buf, "%d\n", priv->fifo_starve_off);
|
|
}
|
|
|
|
static ssize_t gfar_set_fifo_starve_off(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(to_net_dev(dev));
|
|
unsigned int num = simple_strtoul(buf, NULL, 0);
|
|
u32 temp;
|
|
unsigned long flags;
|
|
|
|
if (num > GFAR_MAX_FIFO_STARVE_OFF)
|
|
return count;
|
|
|
|
spin_lock_irqsave(&priv->txlock, flags);
|
|
|
|
priv->fifo_starve_off = num;
|
|
|
|
temp = gfar_read(&priv->regs->fifo_tx_starve_shutoff);
|
|
temp &= ~FIFO_TX_STARVE_OFF_MASK;
|
|
temp |= num;
|
|
gfar_write(&priv->regs->fifo_tx_starve_shutoff, temp);
|
|
|
|
spin_unlock_irqrestore(&priv->txlock, flags);
|
|
|
|
return count;
|
|
}
|
|
|
|
DEVICE_ATTR(fifo_starve_off, 0644, gfar_show_fifo_starve_off,
|
|
gfar_set_fifo_starve_off);
|
|
|
|
void gfar_init_sysfs(struct net_device *dev)
|
|
{
|
|
struct gfar_private *priv = netdev_priv(dev);
|
|
int rc;
|
|
|
|
/* Initialize the default values */
|
|
priv->rx_stash_size = DEFAULT_STASH_LENGTH;
|
|
priv->rx_stash_index = DEFAULT_STASH_INDEX;
|
|
priv->fifo_threshold = DEFAULT_FIFO_TX_THR;
|
|
priv->fifo_starve = DEFAULT_FIFO_TX_STARVE;
|
|
priv->fifo_starve_off = DEFAULT_FIFO_TX_STARVE_OFF;
|
|
priv->bd_stash_en = DEFAULT_BD_STASH;
|
|
|
|
/* Create our sysfs files */
|
|
rc = device_create_file(&dev->dev, &dev_attr_bd_stash);
|
|
rc |= device_create_file(&dev->dev, &dev_attr_rx_stash_size);
|
|
rc |= device_create_file(&dev->dev, &dev_attr_rx_stash_index);
|
|
rc |= device_create_file(&dev->dev, &dev_attr_fifo_threshold);
|
|
rc |= device_create_file(&dev->dev, &dev_attr_fifo_starve);
|
|
rc |= device_create_file(&dev->dev, &dev_attr_fifo_starve_off);
|
|
if (rc)
|
|
dev_err(&dev->dev, "Error creating gianfar sysfs files.\n");
|
|
}
|