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