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* ft1000_proc.c - ft1000 proc interface
*
* Copyright (C) 2009-2010 Quintec
* (C) 2010 Open-nandra
* <marek.belisko@open-nandra.com>
*
* This file is subject to the terms and conditions of the GNU General
* Public License. See the file "COPYING" in the main directory of this
* archive for more details.
*
* 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/module.h>
#include <linux/kernel.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/netdevice.h>
#include "ft1000_usb.h"
#define FT1000_PROC_DIR "ft1000"
#define seq_putx(m, message, size, var) \
seq_printf(m, message); \
for (i = 0; i < (size - 1); i++) \
seq_printf(m, "%02x:", var[i]); \
seq_printf(m, "%02x\n", var[i])
#define seq_putd(m, message, size, var) \
seq_printf(m, message); \
for (i = 0; i < (size - 1); i++) \
seq_printf(m, "%d.", var[i]); \
seq_printf(m, "%d\n", var[i])
#define FTNET_PROC init_net.proc_net
int ft1000_read_dpram16(struct ft1000_usb *ft1000dev, u16 indx,
u8 *buffer, u8 highlow);
static int ft1000ReadProc(struct seq_file *m, void *v)
{
static const char *status[] = {
"Idle (Disconnect)",
"Searching",
"Active (Connected)",
"Waiting for L2",
"Sleep",
"No Coverage",
"",
"",
};
static const char *signal[] = { "", "*", "**", "***", "****" };
struct net_device *dev = m->private;
struct ft1000_info *info = netdev_priv(dev);
int i;
unsigned short ledStat;
unsigned short conStat;
int strength;
int quality;
struct timeval tv;
time_t delta;
if (info->ProgConStat != 0xFF) {
ft1000_read_dpram16(info->priv, FT1000_MAG_DSP_LED,
(u8 *)&ledStat, FT1000_MAG_DSP_LED_INDX);
info->LedStat = ntohs(ledStat);
ft1000_read_dpram16(info->priv, FT1000_MAG_DSP_CON_STATE,
(u8 *)&conStat, FT1000_MAG_DSP_CON_STATE_INDX);
info->ConStat = ntohs(conStat);
do_gettimeofday(&tv);
delta = (tv.tv_sec - info->ConTm);
} else {
info->ConStat = 0xf;
delta = 0;
}
i = (info->LedStat) & 0xf;
switch (i) {
case 0x1:
strength = 1;
break;
case 0x3:
strength = 2;
break;
case 0x7:
strength = 3;
break;
case 0xf:
strength = 4;
break;
default:
strength = 0;
}
i = (info->LedStat >> 8) & 0xf;
switch (i) {
case 0x1:
quality = 1;
break;
case 0x3:
quality = 2;
break;
case 0x7:
quality = 3;
break;
case 0xf:
quality = 4;
break;
default:
quality = 0;
}
seq_printf(m, "Connection Time: %02ld:%02ld:%02ld\n",
((delta / 3600) % 24), ((delta / 60) % 60), (delta % 60));
seq_printf(m, "Connection Time[s]: %ld\n", delta);
seq_printf(m, "Asic ID: %s\n",
(info->AsicID) == ELECTRABUZZ_ID ? "ELECTRABUZZ ASIC" : "MAGNEMITE ASIC");
seq_putx(m, "SKU: ", SKUSZ, info->Sku);
seq_putx(m, "EUI64: ", EUISZ, info->eui64);
seq_putd(m, "DSP version number: ", DSPVERSZ, info->DspVer);
seq_putx(m, "Hardware Serial Number: ", HWSERNUMSZ, info->HwSerNum);
seq_putx(m, "Caliberation Version: ", CALVERSZ, info->RfCalVer);
seq_putd(m, "Caliberation Date: ", CALDATESZ, info->RfCalDate);
seq_printf(m, "Media State: %s\n", (info->mediastate) ? "link" : "no link");
seq_printf(m, "Connection Status: %s\n", status[info->ConStat & 0x7]);
seq_printf(m, "RX packets: %ld\n", info->stats.rx_packets);
seq_printf(m, "TX packets: %ld\n", info->stats.tx_packets);
seq_printf(m, "RX bytes: %ld\n", info->stats.rx_bytes);
seq_printf(m, "TX bytes: %ld\n", info->stats.tx_bytes);
seq_printf(m, "Signal Strength: %s\n", signal[strength]);
seq_printf(m, "Signal Quality: %s\n", signal[quality]);
return 0;
}
/*
* seq_file wrappers for procfile show routines.
*/
static int ft1000_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, ft1000ReadProc, PDE_DATA(inode));
}
static const struct file_operations ft1000_proc_fops = {
.open = ft1000_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int
ft1000NotifyProc(struct notifier_block *this, unsigned long event, void *ptr)
{
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
struct ft1000_info *info;
struct proc_dir_entry *ft1000_proc_file;
info = netdev_priv(dev);
switch (event) {
case NETDEV_CHANGENAME:
remove_proc_entry(info->netdevname, info->ft1000_proc_dir);
ft1000_proc_file =
proc_create_data(dev->name, 0644, info->ft1000_proc_dir,
&ft1000_proc_fops, dev);
snprintf(info->netdevname, IFNAMSIZ, "%s", dev->name);
break;
}
return NOTIFY_DONE;
}
static struct notifier_block ft1000_netdev_notifier = {
.notifier_call = ft1000NotifyProc,
};
int ft1000_init_proc(struct net_device *dev)
{
struct ft1000_info *info;
struct proc_dir_entry *ft1000_proc_file;
int ret = -EINVAL;
info = netdev_priv(dev);
info->ft1000_proc_dir = proc_mkdir(FT1000_PROC_DIR, FTNET_PROC);
if (info->ft1000_proc_dir == NULL) {
printk(KERN_WARNING "Unable to create %s dir.\n",
FT1000_PROC_DIR);
goto fail;
}
ft1000_proc_file =
proc_create_data(dev->name, 0644, info->ft1000_proc_dir,
&ft1000_proc_fops, dev);
if (!ft1000_proc_file) {
printk(KERN_WARNING "Unable to create /proc entry.\n");
goto fail_entry;
}
snprintf(info->netdevname, IFNAMSIZ, "%s", dev->name);
ret = register_netdevice_notifier(&ft1000_netdev_notifier);
if (ret)
goto fail_notif;
return 0;
fail_notif:
remove_proc_entry(info->netdevname, info->ft1000_proc_dir);
fail_entry:
remove_proc_entry(FT1000_PROC_DIR, FTNET_PROC);
fail:
return ret;
}
void ft1000_cleanup_proc(struct ft1000_info *info)
{
remove_proc_entry(info->netdevname, info->ft1000_proc_dir);
remove_proc_entry(FT1000_PROC_DIR, FTNET_PROC);
unregister_netdevice_notifier(&ft1000_netdev_notifier);
}
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