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ft1000_proc.c
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1 /*
2  * ft1000_proc.c - ft1000 proc interface
3  *
4  * Copyright (C) 2009-2010 Quintec
5  * (C) 2010 Open-nandra
7  *
8  * This file is subject to the terms and conditions of the GNU General
9  * Public License. See the file "COPYING" in the main directory of this
10  * archive for more details.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20  */
21 
22 #include <linux/module.h>
23 #include <linux/kernel.h>
24 #include <linux/proc_fs.h>
25 #include <linux/netdevice.h>
26 
27 
28 #include "ft1000_usb.h"
29 
30 #define FT1000_PROC_DIR "ft1000"
31 
32 
33 #define PUTM_TO_PAGE(len,page,args...) \
34  len += snprintf(page+len, PAGE_SIZE - len, args)
35 
36 #define PUTX_TO_PAGE(len,page,message,size,var) \
37  len += snprintf(page+len, PAGE_SIZE - len, message); \
38  for (i = 0; i < (size - 1); i++) {\
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  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 
51 #define FTNET_PROC init_net.proc_net
52 
53 
54 int ft1000_read_dpram16 (struct ft1000_device *ft1000dev, u16 indx,
55  u8 *buffer, u8 highlow);
56 
57 
58 static int
59 ft1000ReadProc(char *page, char **start, off_t off, int count, int *eof,
60  void *data)
61 {
62  struct net_device *dev;
63  int len;
64  int i;
65  unsigned short ledStat;
66  unsigned short conStat;
67 
68  struct ft1000_info *info;
69 
70  char *status[] = {
71  "Idle (Disconnect)",
72  "Searching",
73  "Active (Connected)",
74  "Waiting for L2",
75  "Sleep",
76  "No Coverage",
77  "",
78  "",
79  };
80 
81  char *signal[] = { "", "*", "**", "***", "****" };
82  int strength;
83  int quality;
84  struct timeval tv;
85  time_t delta;
86 
87  dev = (struct net_device *) data;
88  info = netdev_priv(dev);
89 
90  if (off > 0) {
91  *eof = 1;
92  return 0;
93  }
94 
95 
96  if (info->ProgConStat != 0xFF) {
98  (u8 *)&ledStat, FT1000_MAG_DSP_LED_INDX);
99  info->LedStat = ntohs(ledStat);
100 
102  (u8 *)&conStat, FT1000_MAG_DSP_CON_STATE_INDX);
103  info->ConStat = ntohs(conStat);
104  do_gettimeofday(&tv);
105  delta = (tv.tv_sec - info->ConTm);
106  } else {
107  info->ConStat = 0xf;
108  delta = 0;
109  }
110 
111  i = (info->LedStat) & 0xf;
112  switch (i) {
113  case 0x1:
114  strength = 1;
115  break;
116  case 0x3:
117  strength = 2;
118  break;
119  case 0x7:
120  strength = 3;
121  break;
122  case 0xf:
123  strength = 4;
124  break;
125  default:
126  strength = 0;
127  }
128 
129  i = (info->LedStat >> 8) & 0xf;
130  switch (i) {
131  case 0x1:
132  quality = 1;
133  break;
134  case 0x3:
135  quality = 2;
136  break;
137  case 0x7:
138  quality = 3;
139  break;
140  case 0xf:
141  quality = 4;
142  break;
143  default:
144  quality = 0;
145  }
146 
147  len = 0;
148  PUTM_TO_PAGE(len, page, "Connection Time: %02ld:%02ld:%02ld\n",
149  ((delta / 3600) % 24), ((delta / 60) % 60), (delta % 60));
150  PUTM_TO_PAGE(len, page, "Connection Time[s]: %ld\n", delta);
151  PUTM_TO_PAGE(len, page, "Asic ID: %s\n",
152  (info->AsicID) ==
153  ELECTRABUZZ_ID ? "ELECTRABUZZ ASIC" : "MAGNEMITE ASIC");
154  PUTX_TO_PAGE(len, page, "SKU: ", SKUSZ, info->Sku);
155  PUTX_TO_PAGE(len, page, "EUI64: ", EUISZ, info->eui64);
156  PUTD_TO_PAGE(len, page, "DSP version number: ", DSPVERSZ, info->DspVer);
157  PUTX_TO_PAGE(len, page, "Hardware Serial Number: ", HWSERNUMSZ,
158  info->HwSerNum);
159  PUTX_TO_PAGE(len, page, "Caliberation Version: ", CALVERSZ,
160  info->RfCalVer);
161  PUTD_TO_PAGE(len, page, "Caliberation Date: ", CALDATESZ,
162  info->RfCalDate);
163  PUTM_TO_PAGE(len, page, "Media State: %s\n",
164  (info->mediastate) ? "link" : "no link");
165  PUTM_TO_PAGE(len, page, "Connection Status: %s\n",
166  status[((info->ConStat) & 0x7)]);
167  PUTM_TO_PAGE(len, page, "RX packets: %ld\n", info->stats.rx_packets);
168  PUTM_TO_PAGE(len, page, "TX packets: %ld\n", info->stats.tx_packets);
169  PUTM_TO_PAGE(len, page, "RX bytes: %ld\n", info->stats.rx_bytes);
170  PUTM_TO_PAGE(len, page, "TX bytes: %ld\n", info->stats.tx_bytes);
171  PUTM_TO_PAGE(len, page, "Signal Strength: %s\n", signal[strength]);
172  PUTM_TO_PAGE(len, page, "Signal Quality: %s\n", signal[quality]);
173 
174  return len;
175 }
176 
177 static int
178 ft1000NotifyProc(struct notifier_block *this, unsigned long event, void *ptr)
179 {
180  struct net_device *dev = ptr;
181  struct ft1000_info *info;
182  struct proc_dir_entry *ft1000_proc_file;
183 
184  info = netdev_priv(dev);
185 
186  switch (event) {
187  case NETDEV_CHANGENAME:
189  ft1000_proc_file = create_proc_read_entry(dev->name, 0644,
190  info->ft1000_proc_dir,
191  ft1000ReadProc, dev);
192  snprintf(info->netdevname, IFNAMSIZ, "%s", dev->name);
193  break;
194  }
195 
196  return NOTIFY_DONE;
197 }
198 
199 static struct notifier_block ft1000_netdev_notifier = {
200  .notifier_call = ft1000NotifyProc,
201 };
202 
203 
204 int ft1000_init_proc(struct net_device *dev)
205 {
206  struct ft1000_info *info;
207  struct proc_dir_entry *ft1000_proc_file;
208  int ret = 0;
209 
210  info = netdev_priv(dev);
211 
213  if (info->ft1000_proc_dir == NULL) {
214  printk(KERN_WARNING "Unable to create %s dir.\n",
216  ret = -EINVAL;
217  goto fail;
218  }
219 
220  ft1000_proc_file =
221  create_proc_read_entry(dev->name, 0644,
222  info->ft1000_proc_dir, ft1000ReadProc, dev);
223 
224  if (ft1000_proc_file == NULL) {
225  printk(KERN_WARNING "Unable to create /proc entry.\n");
226  ret = -EINVAL;
227  goto fail_entry;
228  }
229 
230  snprintf(info->netdevname, IFNAMSIZ, "%s", dev->name);
231 
232  ret = register_netdevice_notifier(&ft1000_netdev_notifier);
233  if (ret)
234  goto fail_notif;
235 
236  return 0;
237 
238 fail_notif:
240 fail_entry:
242 fail:
243  return ret;
244 }
245 
247 {
250  unregister_netdevice_notifier(&ft1000_netdev_notifier);
251 }