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Commit 18acef16 authored by Jeff Garzik's avatar Jeff Garzik
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[netdrvr e100] remove e100_proc.c. should have been in prior cset.

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drivers/net/e100/e100_proc.c deleted 100644 → 0
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/*******************************************************************************
Copyright(c) 1999 - 2002 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>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
/**********************************************************************
* *
* INTEL CORPORATION *
* *
* This software is supplied under the terms of the license included *
* above. All use of this driver must be in accordance with the terms *
* of that license. *
* *
* Module Name: e100_proc.c *
* *
* Abstract: Functions to handle the proc file system. *
* Create the proc directories and files and run read and *
* write requests from the user *
* *
* Environment: This file is intended to be specific to the Linux *
* operating system. *
* *
**********************************************************************/
#include <linux/config.h>
#ifdef CONFIG_PROC_FS
#include "e100.h"
/* MDI sleep time is at least 50 ms, in jiffies */
#define MDI_SLEEP_TIME ((HZ / 20) + 1)
/***************************************************************************/
/* /proc File System Interaface Support Functions */
/***************************************************************************/
static struct proc_dir_entry *adapters_proc_dir = 0;
/* externs from e100_main.c */
extern char e100_short_driver_name[];
extern char e100_driver_version[];
extern struct net_device_stats *e100_get_stats(struct net_device *dev);
extern char *e100_get_brand_msg(struct e100_private *bdp);
extern int e100_mdi_write(struct e100_private *, u32, u32, u16);
static void e100_proc_cleanup(void);
static unsigned char e100_init_proc_dir(void);
#define ADAPTERS_PROC_DIR "PRO_LAN_Adapters"
#define WRITE_BUF_MAX_LEN 20
#define READ_BUF_MAX_LEN 256
#define E100_PE_LEN 25
#define bdp_drv_off(off) (unsigned long)(offsetof(struct e100_private, drv_stats.off))
#define bdp_prm_off(off) (unsigned long)(offsetof(struct e100_private, params.off))
typedef struct _e100_proc_entry {
char *name;
read_proc_t *read_proc;
write_proc_t *write_proc;
unsigned long offset; /* offset into bdp. ~0 means no value, pass NULL. */
} e100_proc_entry;
static int
generic_read(char *page, char **start, off_t off, int count, int *eof, int len)
{
if (len <= off + count)
*eof = 1;
*start = page + off;
len -= off;
if (len > count)
len = count;
if (len < 0)
len = 0;
return len;
}
static int
read_ulong(char *page, char **start, off_t off,
int count, int *eof, unsigned long l)
{
int len;
len = sprintf(page, "%lu\n", l);
return generic_read(page, start, off, count, eof, len);
}
static int
read_gen_ulong(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
unsigned long val = 0;
if (data)
val = *((unsigned long *) data);
return read_ulong(page, start, off, count, eof, val);
}
static int
read_hwaddr(char *page, char **start, off_t off,
int count, int *eof, unsigned char *hwaddr)
{
int len;
len = sprintf(page, "%02X:%02X:%02X:%02X:%02X:%02X\n",
hwaddr[0], hwaddr[1], hwaddr[2],
hwaddr[3], hwaddr[4], hwaddr[5]);
return generic_read(page, start, off, count, eof, len);
}
static int
read_descr(char *page, char **start, off_t off, int count, int *eof, void *data)
{
struct e100_private *bdp = data;
int len;
len = sprintf(page, "%s\n", bdp->id_string);
return generic_read(page, start, off, count, eof, len);
}
static int
read_permanent_hwaddr(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
struct e100_private *bdp = data;
unsigned char *hwaddr = bdp->perm_node_address;
return read_hwaddr(page, start, off, count, eof, hwaddr);
}
static int
read_part_number(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
struct e100_private *bdp = data;
int len;
len = sprintf(page, "%06lx-%03x\n",
(unsigned long) (bdp->pwa_no >> 8),
(unsigned int) (bdp->pwa_no & 0xFF));
return generic_read(page, start, off, count, eof, len);
}
static void
set_led(struct e100_private *bdp, u16 led_mdi_op)
{
e100_mdi_write(bdp, PHY_82555_LED_SWITCH_CONTROL,
bdp->phy_addr, led_mdi_op);
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(MDI_SLEEP_TIME);
/* turn led ownership to the chip */
e100_mdi_write(bdp, PHY_82555_LED_SWITCH_CONTROL,
bdp->phy_addr, PHY_82555_LED_NORMAL_CONTROL);
}
static int
write_blink_led_timer(struct file *file, const char *buffer,
unsigned long count, void *data)
{
struct e100_private *bdp = data;
char s_blink_op[WRITE_BUF_MAX_LEN + 1];
char *res;
unsigned long i_blink_op;
if (!buffer)
return -EINVAL;
if (count > WRITE_BUF_MAX_LEN) {
count = WRITE_BUF_MAX_LEN;
}
if (copy_from_user(s_blink_op, buffer, count))
return -EFAULT;
s_blink_op[count] = '\0';
i_blink_op = simple_strtoul(s_blink_op, &res, 0);
if (res == s_blink_op) {
return -EINVAL;
}
switch (i_blink_op) {
case LED_OFF:
set_led(bdp, PHY_82555_LED_OFF);
break;
case LED_ON:
if (bdp->rev_id >= D101MA_REV_ID)
set_led(bdp, PHY_82555_LED_ON_559);
else
set_led(bdp, PHY_82555_LED_ON_PRE_559);
break;
default:
return -EINVAL;
}
return count;
}
static e100_proc_entry e100_proc_list[] = {
{"Description", read_descr, 0, 0},
{"Permanent_HWaddr", read_permanent_hwaddr, 0, 0},
{"Part_Number", read_part_number, 0, 0},
{"\n",},
{"Rx_TCP_Checksum_Good", read_gen_ulong, 0, ~0},
{"Rx_TCP_Checksum_Bad", read_gen_ulong, 0, ~0},
{"Tx_TCP_Checksum_Good", read_gen_ulong, 0, ~0},
{"Tx_TCP_Checksum_Bad", read_gen_ulong, 0, ~0},
{"\n",},
{"Tx_Abort_Late_Coll", read_gen_ulong, 0, bdp_drv_off(tx_late_col)},
{"Tx_Deferred_Ok", read_gen_ulong, 0, bdp_drv_off(tx_ok_defrd)},
{"Tx_Single_Coll_Ok", read_gen_ulong, 0, bdp_drv_off(tx_one_retry)},
{"Tx_Multi_Coll_Ok", read_gen_ulong, 0, bdp_drv_off(tx_mt_one_retry)},
{"Rx_Long_Length_Errors", read_gen_ulong, 0, ~0},
{"\n",},
{"Tx_Flow_Control_Pause", read_gen_ulong, 0, bdp_drv_off(xmt_fc_pkts)},
{"Rx_Flow_Control_Pause", read_gen_ulong, 0, bdp_drv_off(rcv_fc_pkts)},
{"Rx_Flow_Control_Unsup", read_gen_ulong, 0, bdp_drv_off(rcv_fc_unsupported)},
{"\n",},
{"Tx_TCO_Packets", read_gen_ulong, 0, bdp_drv_off(xmt_tco_pkts)},
{"Rx_TCO_Packets", read_gen_ulong, 0, bdp_drv_off(rcv_tco_pkts)},
{"\n",},
{"Rx_Interrupt_Packets", read_gen_ulong, 0, bdp_drv_off(rx_intr_pkts)},
{"Identify_Adapter", 0, write_blink_led_timer, 0},
{"", 0, 0, 0}
};
static int
read_info(char *page, char **start, off_t off, int count, int *eof, void *data)
{
struct e100_private *bdp = data;
e100_proc_entry *pe;
int tmp;
void *val;
int len = 0;
for (pe = e100_proc_list; pe->name[0]; pe++) {
if (pe->name[0] == '\n') {
len += sprintf(page + len, "\n");
continue;
}
if (pe->read_proc) {
if ((len + READ_BUF_MAX_LEN + E100_PE_LEN + 1) >=
PAGE_SIZE)
break;
if (pe->offset != ~0)
val = ((char *) bdp) + pe->offset;
else
val = NULL;
len += sprintf(page + len, "%-"
__MODULE_STRING(E100_PE_LEN)
"s ", pe->name);
len += pe->read_proc(page + len, start, 0,
READ_BUF_MAX_LEN + 1, &tmp, val);
}
}
return generic_read(page, start, off, count, eof, len);
}
static struct proc_dir_entry *
create_proc_rw(char *name, void *data, struct proc_dir_entry *parent,
read_proc_t * read_proc, write_proc_t * write_proc)
{
struct proc_dir_entry *pdep;
mode_t mode = S_IFREG;
if (write_proc) {
mode |= S_IWUSR;
if (read_proc) {
mode |= S_IRUSR;
}
} else if (read_proc) {
mode |= S_IRUGO;
}
if (!(pdep = create_proc_entry(name, mode, parent)))
return NULL;
pdep->read_proc = read_proc;
pdep->write_proc = write_proc;
pdep->data = data;
return pdep;
}
void
e100_remove_proc_subdir(struct e100_private *bdp, char *name)
{
e100_proc_entry *pe;
char info[256];
int len;
/* If our root /proc dir was not created, there is nothing to remove */
if (adapters_proc_dir == NULL) {
return;
}
len = strlen(bdp->ifname);
strncpy(info, bdp->ifname, sizeof (info));
strncat(info + len, ".info", sizeof (info) - len);
if (bdp->proc_parent) {
for (pe = e100_proc_list; pe->name[0]; pe++) {
if (pe->name[0] == '\n')
continue;
remove_proc_entry(pe->name, bdp->proc_parent);
}
remove_proc_entry(bdp->ifname, adapters_proc_dir);
bdp->proc_parent = NULL;
}
remove_proc_entry(info, adapters_proc_dir);
/* try to remove the main /proc dir, if it's empty */
e100_proc_cleanup();
}
int
e100_create_proc_subdir(struct e100_private *bdp)
{
struct proc_dir_entry *dev_dir;
e100_proc_entry *pe;
char info[256];
int len;
void *data;
/* create the main /proc dir if needed */
if (!adapters_proc_dir) {
if (!e100_init_proc_dir())
return -ENOMEM;
}
strncpy(info, bdp->ifname, sizeof (info));
len = strlen(info);
strncat(info + len, ".info", sizeof (info) - len);
/* info */
if (!(create_proc_rw(info, bdp, adapters_proc_dir, read_info, 0))) {
e100_proc_cleanup();
return -ENOMEM;
}
dev_dir = create_proc_entry(bdp->ifname, S_IFDIR,
adapters_proc_dir);
bdp->proc_parent = dev_dir;
if (!dev_dir) {
e100_remove_proc_subdir(bdp, bdp->ifname);
return -ENOMEM;
}
for (pe = e100_proc_list; pe->name[0]; pe++) {
if (pe->name[0] == '\n')
continue;
if (pe->offset != ~0)
data = ((char *) bdp) + pe->offset;
else
data = NULL;
if (!(create_proc_rw(pe->name, data, dev_dir,
pe->read_proc, pe->write_proc))) {
e100_remove_proc_subdir(bdp, bdp->ifname);
return -ENOMEM;
}
}
return 0;
}
/****************************************************************************
* Name: e100_init_proc_dir
*
* Description: This routine creates the top-level /proc directory for the
* driver in /proc/net
*
* Arguments: none
*
* Returns: true on success, false on fail
*
***************************************************************************/
static unsigned char
e100_init_proc_dir(void)
{
int len;
/* first check if adapters_proc_dir already exists */
len = strlen(ADAPTERS_PROC_DIR);
for (adapters_proc_dir = proc_net->subdir;
adapters_proc_dir; adapters_proc_dir = adapters_proc_dir->next) {
if ((adapters_proc_dir->namelen == len) &&
(!memcmp(adapters_proc_dir->name, ADAPTERS_PROC_DIR, len)))
break;
}
if (!adapters_proc_dir)
adapters_proc_dir =
create_proc_entry(ADAPTERS_PROC_DIR, S_IFDIR, proc_net);
if (!adapters_proc_dir)
return false;
return true;
}
/****************************************************************************
* Name: e100_proc_cleanup
*
* Description: This routine clears the top-level /proc directory, if empty.
*
* Arguments: none
*
* Returns: none
*
***************************************************************************/
static void
e100_proc_cleanup(void)
{
struct proc_dir_entry *de;
if (adapters_proc_dir == NULL) {
return;
}
/* check if subdir list is empty before removing adapters_proc_dir */
for (de = adapters_proc_dir->subdir; de; de = de->next) {
/* ignore . and .. */
if (*(de->name) != '.')
break;
}
if (de)
return;
remove_proc_entry(ADAPTERS_PROC_DIR, proc_net);
adapters_proc_dir = NULL;
}
#endif /* CONFIG_PROC_FS */
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