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/uaccess.h>
  26 #include "ft1000.h"
  27
  28 #define FT1000_PROC "ft1000"
  29 #define MAX_FILE_LEN 255
  30
  31 #define PUTM_TO_PAGE(len,page,args...) \
  32         len += snprintf(page+len, PAGE_SIZE - len, args)
  33
  34 #define PUTX_TO_PAGE(len,page,message,size,var) \
  35         len += snprintf(page+len, PAGE_SIZE - len, message); \
  36         for(i = 0; i < (size - 1); i++) \
  37         { \
  38                 len += snprintf(page+len, PAGE_SIZE - len, "%02x:", var[i]); \
  39         } \
  40         len += snprintf(page+len, PAGE_SIZE - len, "%02x\n", var[i])
  41
  42 #define PUTD_TO_PAGE(len,page,message,size,var) \
  43         len += snprintf(page+len, PAGE_SIZE - len, message); \
  44         for(i = 0; i < (size - 1); i++) \
  45         { \
  46                 len += snprintf(page+len, PAGE_SIZE - len, "%d.", var[i]); \
  47         } \
  48         len += snprintf(page+len, PAGE_SIZE - len, "%d\n", var[i])
  49
  50 int ft1000ReadProc(char *page, char **start, off_t off,
  51                    int count, int *eof, void *data)
  52 {
  53         struct net_device *dev;
  54         int len;
  55         int i;
  56         FT1000_INFO *info;
  57         char *status[] =
  58                 { "Idle (Disconnect)", "Searching", "Active (Connected)",
  59                 "Waiting for L2", "Sleep", "No Coverage", "", ""
  60         };
  61         char *signal[] = { "", "*", "**", "***", "****" };
  62         int strength;
  63         int quality;
  64         struct timeval tv;
  65         time_t delta;
  66
  67         dev = (struct net_device *)data;
  68         info = netdev_priv(dev);
  69
  70         if (off > 0) {
  71                 *eof = 1;
  72                 return 0;
  73         }
  74
  75         /* Wrap-around */
  76
  77         if (info->AsicID == ELECTRABUZZ_ID) {
  78                 if (info->DspHibernateFlag == 0) {
  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                 }
  89         } else {
  90                 if (info->ProgConStat != 0xFF) {
  91                         info->LedStat =
  92                                 ntohs(ft1000_read_dpram_mag_16
  93                                   (dev, FT1000_MAG_DSP_LED,
  94                                    FT1000_MAG_DSP_LED_INDX));
  95                         info->ConStat =
  96                                 ntohs(ft1000_read_dpram_mag_16
  97                                   (dev, FT1000_MAG_DSP_CON_STATE,
  98                                    FT1000_MAG_DSP_CON_STATE_INDX));
  99                 } else {
 100                         info->ConStat = 0xf;
 101                 }
 102         }
 103
 104         i = (info->LedStat) & 0xf;
 105         switch (i) {
 106         case 0x1:
 107                 strength = 1;
 108                 break;
 109         case 0x3:
 110                 strength = 2;
 111                 break;
 112         case 0x7:
 113                 strength = 3;
 114                 break;
 115         case 0xf:
 116                 strength = 4;
 117                 break;
 118         default:
 119                 strength = 0;
 120         }
 121
 122         i = (info->LedStat >> 8) & 0xf;
 123         switch (i) {
 124         case 0x1:
 125                 quality = 1;
 126                 break;
 127         case 0x3:
 128                 quality = 2;
 129                 break;
 130         case 0x7:
 131                 quality = 3;
 132                 break;
 133         case 0xf:
 134                 quality = 4;
 135                 break;
 136         default:
 137                 quality = 0;
 138         }
 139
 140         do_gettimeofday(&tv);
 141         delta = (tv.tv_sec - info->ConTm);
 142         len = 0;
 143         PUTM_TO_PAGE(len, page, "Connection Time: %02ld:%02ld:%02ld\n",
 144                          ((delta / 3600) % 24), ((delta / 60) % 60), (delta % 60));
 145         PUTM_TO_PAGE(len, page, "Connection Time[s]: %ld\n", delta);
 146         PUTM_TO_PAGE(len, page, "Asic ID: %s\n",
 147                          (info->AsicID) ==
 148                          ELECTRABUZZ_ID ? "ELECTRABUZZ ASIC" : "MAGNEMITE ASIC");
 149         PUTX_TO_PAGE(len, page, "SKU: ", SKUSZ, info->Sku);
 150         PUTX_TO_PAGE(len, page, "EUI64: ", EUISZ, info->eui64);
 151         PUTD_TO_PAGE(len, page, "DSP version number: ", DSPVERSZ, info->DspVer);
 152         PUTX_TO_PAGE(len, page, "Hardware Serial Number: ", HWSERNUMSZ,
 153                          info->HwSerNum);
 154         PUTX_TO_PAGE(len, page, "Caliberation Version: ", CALVERSZ,
 155                          info->RfCalVer);
 156         PUTD_TO_PAGE(len, page, "Caliberation Date: ", CALDATESZ,
 157                          info->RfCalDate);
 158         PUTM_TO_PAGE(len, page, "Media State: %s\n",
 159                          (info->mediastate) ? "link" : "no link");
 160         PUTM_TO_PAGE(len, page, "Connection Status: %s\n",
 161                          status[((info->ConStat) & 0x7)]);
 162         PUTM_TO_PAGE(len, page, "RX packets: %ld\n", info->stats.rx_packets);
 163         PUTM_TO_PAGE(len, page, "TX packets: %ld\n", info->stats.tx_packets);
 164         PUTM_TO_PAGE(len, page, "RX bytes: %ld\n", info->stats.rx_bytes);
 165         PUTM_TO_PAGE(len, page, "TX bytes: %ld\n", info->stats.tx_bytes);
 166         PUTM_TO_PAGE(len, page, "Signal Strength: %s\n", signal[strength]);
 167         PUTM_TO_PAGE(len, page, "Signal Quality: %s\n", signal[quality]);
 168         return len;
 169 }
 170
 171 static int ft1000NotifyProc(struct notifier_block *this, unsigned long event,
 172                                 void *ptr)
 173 {
 174         struct net_device *dev = ptr;
 175         FT1000_INFO *info;
 176
 177         info = netdev_priv(dev);
 178
 179         switch (event) {
 180         case NETDEV_CHANGENAME:
 181                 remove_proc_entry(info->netdevname, info->proc_ft1000);
 182                 create_proc_read_entry(dev->name, 0644, info->proc_ft1000,
 183                                            ft1000ReadProc, dev);
 184                 snprintf(info->netdevname, IFNAMSIZ, "%s", dev->name);
 185                 break;
 186         }
 187         return NOTIFY_DONE;
 188 }
 189
 190 static struct notifier_block ft1000_netdev_notifier = {
 191         .notifier_call = ft1000NotifyProc
 192 };
 193
 194 void ft1000InitProc(struct net_device *dev)
 195 {
 196         FT1000_INFO *info;
 197
 198         info = netdev_priv(dev);
 199
 200         info->proc_ft1000 = proc_mkdir(FT1000_PROC, init_net.proc_net);
 201         create_proc_read_entry(dev->name, 0644, info->proc_ft1000,
 202                                    ft1000ReadProc, dev);
 203         snprintf(info->netdevname, IFNAMSIZ, "%s", dev->name);
 204         register_netdevice_notifier(&ft1000_netdev_notifier);
 205 }
 206
 207 void ft1000CleanupProc(struct net_device *dev)
 208 {
 209         FT1000_INFO *info;
 210
 211         info = netdev_priv(dev);
 212
 213         remove_proc_entry(dev->name, info->proc_ft1000);
 214         remove_proc_entry(FT1000_PROC, init_net.proc_net);
 215         unregister_netdevice_notifier(&ft1000_netdev_notifier);
 216 }