1 /*
2 * ft1000_proc.c - ft1000 proc interface
3 *
4 * Copyright (C) 2009-2010 Quintec
5 * (C) 2010 Open-nandra
6 * <marek.belisko@open-nandra.com>
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
ft1000ReadProc(char * page,char ** start,off_t off,int count,int * eof,void * data)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) {
97 ft1000_read_dpram16(info->pFt1000Dev, FT1000_MAG_DSP_LED,
98 (u8 *)&ledStat, FT1000_MAG_DSP_LED_INDX);
99 info->LedStat = ntohs(ledStat);
100
101 ft1000_read_dpram16(info->pFt1000Dev, FT1000_MAG_DSP_CON_STATE,
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
ft1000NotifyProc(struct notifier_block * this,unsigned long event,void * ptr)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:
188 remove_proc_entry(info->netdevname, info->ft1000_proc_dir);
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
ft1000_init_proc(struct net_device * dev)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
212 info->ft1000_proc_dir = proc_mkdir(FT1000_PROC_DIR, FTNET_PROC);
213 if (info->ft1000_proc_dir == NULL) {
214 printk(KERN_WARNING "Unable to create %s dir.\n",
215 FT1000_PROC_DIR);
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:
239 remove_proc_entry(info->netdevname, info->ft1000_proc_dir);
240 fail_entry:
241 remove_proc_entry(FT1000_PROC_DIR, FTNET_PROC);
242 fail:
243 return ret;
244 }
245
ft1000_cleanup_proc(struct ft1000_info * info)246 void ft1000_cleanup_proc(struct ft1000_info *info)
247 {
248 remove_proc_entry(info->netdevname, info->ft1000_proc_dir);
249 remove_proc_entry(FT1000_PROC_DIR, FTNET_PROC);
250 unregister_netdevice_notifier(&ft1000_netdev_notifier);
251 }
252