patch-2.4.21 linux-2.4.21/drivers/net/e100/e100_proc.c

• Lines: 475
• Date: 1969-12-31 16:00:00.000000000 -0800
• Orig file: linux-2.4.20/drivers/net/e100/e100_proc.c
• Orig date: 2002-11-28 15:53:13.000000000 -0800

diff -urN linux-2.4.20/drivers/net/e100/e100_proc.c linux-2.4.21/drivers/net/e100/e100_proc.c
@@ -1,474 +0,0 @@
-/*******************************************************************************
-
-  
-  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 */