drivers/staging/ft1000/ft1000-pcmcia/ft1000_proc.c

   1 /*---------------------------------------------------------------------------
   2    FT1000 driver for Flarion Flash OFDM NIC Device
   3
   4    Copyright (C) 2006 Patrik Ostrihon, All rights reserved.
   5    Copyright (C) 2006 ProWeb Consulting, a.s, All rights reserved.
   6
   7    This program is free software; you can redistribute it and/or modify it
   8    under the terms of the GNU General Public License as published by the Free
   9    Software Foundation; either version 2 of the License, or (at your option) any
  10    later version. This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13    more details. You should have received a copy of the GNU General Public
  14    License along with this program; if not, write to the
  15    Free Software Foundation, Inc., 59 Temple Place -
  16    Suite 330, Boston, MA 02111-1307, USA.
  17 -----------------------------------------------------------------------------*/
  18
  19 #include <linux/module.h>
  20 #include <linux/kernel.h>
  21 #include <linux/proc_fs.h>
  22 #include <linux/string.h>
  23 #include <linux/vmalloc.h>
  24 #include <linux/netdevice.h>
  25 #include <asm/io.h>
  26 #include <asm/uaccess.h>
  27 #include "ft1000.h"
  28
  29 #define FT1000_PROC "ft1000"
  30 #define MAX_FILE_LEN 255
  31
  32 #define PUTM_TO_PAGE(len,page,args...) \
  33         len += snprintf(page+len, PAGE_SIZE - len, args)
  34
  35 #define PUTX_TO_PAGE(len,page,message,size,var) \
  36         len += snprintf(page+len, PAGE_SIZE - len, message); \
  37         for(i = 0; i < (size - 1); i++) \
  38         { \
  39                 len += snprintf(page+len, PAGE_SIZE - len, "%02x:", var[i]); \
  40         } \
  41         len += snprintf(page+len, PAGE_SIZE - len, "%02x\n", var[i])
  42
  43 #define PUTD_TO_PAGE(len,page,message,size,var) \
  44         len += snprintf(page+len, PAGE_SIZE - len, message); \
  45         for(i = 0; i < (size - 1); i++) \
  46         { \
  47                 len += snprintf(page+len, PAGE_SIZE - len, "%d.", var[i]); \
  48         } \
  49         len += snprintf(page+len, PAGE_SIZE - len, "%d\n", var[i])
  50
  51 int ft1000ReadProc(char *page, char **start, off_t off,
  52                    int count, int *eof, void *data)
  53 {
  54         struct net_device *dev;
  55         int len;
  56         int i;
  57         struct ft1000_info *info;
  58         char *status[] =
  59                 { "Idle (Disconnect)", "Searching", "Active (Connected)",
  60                 "Waiting for L2", "Sleep", "No Coverage", "", ""
  61         };
  62         char *signal[] = { "", "*", "**", "***", "****" };
  63         int strength;
  64         int quality;
  65         struct timeval tv;
  66         time_t delta;
  67
  68         dev = (struct net_device *)data;
  69         info = netdev_priv(dev);
  70
  71         if (off > 0) {
  72                 *eof = 1;
  73                 return 0;
  74         }
  75
  76         /* Wrap-around */
  77
  78         if (info->AsicID == ELECTRABUZZ_ID) {
  79                 if (info->ProgConStat != 0xFF) {
  80                         info->LedStat =
  81                                 ft1000_read_dpram(dev, FT1000_DSP_LED);
  82                         info->ConStat =
  83                                 ft1000_read_dpram(dev,
  84                                                   FT1000_DSP_CON_STATE);
  85                 } else {
  86                         info->ConStat = 0xf;
  87                 }
  88         } else {
  89                 if (info->ProgConStat != 0xFF) {
  90                         info->LedStat =
  91                                 ntohs(ft1000_read_dpram_mag_16
  92                                   (dev, FT1000_MAG_DSP_LED,
  93                                    FT1000_MAG_DSP_LED_INDX));
  94                         info->ConStat =
  95                                 ntohs(ft1000_read_dpram_mag_16
  96                                   (dev, FT1000_MAG_DSP_CON_STATE,
  97                                    FT1000_MAG_DSP_CON_STATE_INDX));
  98                 } else {
  99                         info->ConStat = 0xf;
 100                 }
 101         }
 102
 103         i = (info->LedStat) & 0xf;
 104         switch (i) {
 105         case 0x1:
 106                 strength = 1;
 107                 break;
 108         case 0x3:
 109                 strength = 2;
 110                 break;
 111         case 0x7:
 112                 strength = 3;
 113                 break;
 114         case 0xf:
 115                 strength = 4;
 116                 break;
 117         default:
 118                 strength = 0;
 119         }
 120
 121         i = (info->LedStat >> 8) & 0xf;
 122         switch (i) {
 123         case 0x1:
 124                 quality = 1;
 125                 break;
 126         case 0x3:
 127                 quality = 2;
 128                 break;
 129         case 0x7:
 130                 quality = 3;
 131                 break;
 132         case 0xf:
 133                 quality = 4;
 134                 break;
 135         default:
 136                 quality = 0;
 137         }
 138
 139         do_gettimeofday(&tv);
 140         delta = (tv.tv_sec - info->ConTm);
 141         len = 0;
 142         PUTM_TO_PAGE(len, page, "Connection Time: %02ld:%02ld:%02ld\n",
 143                          ((delta / 3600) % 24), ((delta / 60) % 60), (delta % 60));
 144         PUTM_TO_PAGE(len, page, "Connection Time[s]: %ld\n", delta);
 145         PUTM_TO_PAGE(len, page, "Asic ID: %s\n",
 146                          (info->AsicID) ==
 147                          ELECTRABUZZ_ID ? "ELECTRABUZZ ASIC" : "MAGNEMITE ASIC");
 148         PUTX_TO_PAGE(len, page, "SKU: ", SKUSZ, info->Sku);
 149         PUTX_TO_PAGE(len, page, "EUI64: ", EUISZ, info->eui64);
 150         PUTD_TO_PAGE(len, page, "DSP version number: ", DSPVERSZ, info->DspVer);
 151         PUTX_TO_PAGE(len, page, "Hardware Serial Number: ", HWSERNUMSZ,
 152                          info->HwSerNum);
 153         PUTX_TO_PAGE(len, page, "Caliberation Version: ", CALVERSZ,
 154                          info->RfCalVer);
 155         PUTD_TO_PAGE(len, page, "Caliberation Date: ", CALDATESZ,
 156                          info->RfCalDate);
 157         PUTM_TO_PAGE(len, page, "Media State: %s\n",
 158                          (info->mediastate) ? "link" : "no link");
 159         PUTM_TO_PAGE(len, page, "Connection Status: %s\n",
 160                          status[((info->ConStat) & 0x7)]);
 161         PUTM_TO_PAGE(len, page, "RX packets: %ld\n", info->stats.rx_packets);
 162         PUTM_TO_PAGE(len, page, "TX packets: %ld\n", info->stats.tx_packets);
 163         PUTM_TO_PAGE(len, page, "RX bytes: %ld\n", info->stats.rx_bytes);
 164         PUTM_TO_PAGE(len, page, "TX bytes: %ld\n", info->stats.tx_bytes);
 165         PUTM_TO_PAGE(len, page, "Signal Strength: %s\n", signal[strength]);
 166         PUTM_TO_PAGE(len, page, "Signal Quality: %s\n", signal[quality]);
 167         return len;
 168 }
 169
 170 static int ft1000NotifyProc(struct notifier_block *this, unsigned long event,
 171                                 void *ptr)
 172 {
 173         struct net_device *dev = ptr;
 174         struct ft1000_info *info;
 175
 176         info = netdev_priv(dev);
 177
 178         switch (event) {
 179         case NETDEV_CHANGENAME:
 180                 remove_proc_entry(info->netdevname, info->proc_ft1000);
 181                 create_proc_read_entry(dev->name, 0644, info->proc_ft1000,
 182                                            ft1000ReadProc, dev);
 183                 snprintf(info->netdevname, IFNAMSIZ, "%s", dev->name);
 184                 break;
 185         }
 186         return NOTIFY_DONE;
 187 }
 188
 189 static struct notifier_block ft1000_netdev_notifier = {
 190         .notifier_call = ft1000NotifyProc
 191 };
 192
 193 void ft1000InitProc(struct net_device *dev)
 194 {
 195         struct ft1000_info *info;
 196
 197         info = netdev_priv(dev);
 198
 199         info->proc_ft1000 = proc_mkdir(FT1000_PROC, init_net.proc_net);
 200         create_proc_read_entry(dev->name, 0644, info->proc_ft1000,
 201                                    ft1000ReadProc, dev);
 202         snprintf(info->netdevname, IFNAMSIZ, "%s", dev->name);
 203         register_netdevice_notifier(&ft1000_netdev_notifier);
 204 }
 205
 206 void ft1000CleanupProc(struct net_device *dev)
 207 {
 208         struct ft1000_info *info;
 209
 210         info = netdev_priv(dev);
 211
 212         remove_proc_entry(dev->name, info->proc_ft1000);
 213         remove_proc_entry(FT1000_PROC, init_net.proc_net);
 214         unregister_netdevice_notifier(&ft1000_netdev_notifier);
 215 }