1 /* /proc routines for Host AP driver */
3 #include <linux/types.h>
4 #include <linux/proc_fs.h>
5 #include <linux/export.h>
6 #include <net/lib80211.h>
8 #include "hostap_wlan.h"
11 #define PROC_LIMIT (PAGE_SIZE - 80)
14 #ifndef PRISM2_NO_PROCFS_DEBUG
15 static int prism2_debug_proc_show(struct seq_file *m, void *v)
17 local_info_t *local = m->private;
20 seq_printf(m, "next_txfid=%d next_alloc=%d\n",
21 local->next_txfid, local->next_alloc);
22 for (i = 0; i < PRISM2_TXFID_COUNT; i++)
23 seq_printf(m, "FID: tx=%04X intransmit=%04X\n",
24 local->txfid[i], local->intransmitfid[i]);
25 seq_printf(m, "FW TX rate control: %d\n", local->fw_tx_rate_control);
26 seq_printf(m, "beacon_int=%d\n", local->beacon_int);
27 seq_printf(m, "dtim_period=%d\n", local->dtim_period);
28 seq_printf(m, "wds_max_connections=%d\n", local->wds_max_connections);
29 seq_printf(m, "dev_enabled=%d\n", local->dev_enabled);
30 seq_printf(m, "sw_tick_stuck=%d\n", local->sw_tick_stuck);
31 for (i = 0; i < WEP_KEYS; i++) {
32 if (local->crypt_info.crypt[i] &&
33 local->crypt_info.crypt[i]->ops) {
34 seq_printf(m, "crypt[%d]=%s\n", i,
35 local->crypt_info.crypt[i]->ops->name);
38 seq_printf(m, "pri_only=%d\n", local->pri_only);
39 seq_printf(m, "pci=%d\n", local->func->hw_type == HOSTAP_HW_PCI);
40 seq_printf(m, "sram_type=%d\n", local->sram_type);
41 seq_printf(m, "no_pri=%d\n", local->no_pri);
46 static int prism2_debug_proc_open(struct inode *inode, struct file *file)
48 return single_open(file, prism2_debug_proc_show, PDE_DATA(inode));
51 static const struct file_operations prism2_debug_proc_fops = {
52 .open = prism2_debug_proc_open,
55 .release = single_release,
57 #endif /* PRISM2_NO_PROCFS_DEBUG */
60 static int prism2_stats_proc_show(struct seq_file *m, void *v)
62 local_info_t *local = m->private;
63 struct comm_tallies_sums *sums = &local->comm_tallies;
65 seq_printf(m, "TxUnicastFrames=%u\n", sums->tx_unicast_frames);
66 seq_printf(m, "TxMulticastframes=%u\n", sums->tx_multicast_frames);
67 seq_printf(m, "TxFragments=%u\n", sums->tx_fragments);
68 seq_printf(m, "TxUnicastOctets=%u\n", sums->tx_unicast_octets);
69 seq_printf(m, "TxMulticastOctets=%u\n", sums->tx_multicast_octets);
70 seq_printf(m, "TxDeferredTransmissions=%u\n",
71 sums->tx_deferred_transmissions);
72 seq_printf(m, "TxSingleRetryFrames=%u\n", sums->tx_single_retry_frames);
73 seq_printf(m, "TxMultipleRetryFrames=%u\n",
74 sums->tx_multiple_retry_frames);
75 seq_printf(m, "TxRetryLimitExceeded=%u\n",
76 sums->tx_retry_limit_exceeded);
77 seq_printf(m, "TxDiscards=%u\n", sums->tx_discards);
78 seq_printf(m, "RxUnicastFrames=%u\n", sums->rx_unicast_frames);
79 seq_printf(m, "RxMulticastFrames=%u\n", sums->rx_multicast_frames);
80 seq_printf(m, "RxFragments=%u\n", sums->rx_fragments);
81 seq_printf(m, "RxUnicastOctets=%u\n", sums->rx_unicast_octets);
82 seq_printf(m, "RxMulticastOctets=%u\n", sums->rx_multicast_octets);
83 seq_printf(m, "RxFCSErrors=%u\n", sums->rx_fcs_errors);
84 seq_printf(m, "RxDiscardsNoBuffer=%u\n", sums->rx_discards_no_buffer);
85 seq_printf(m, "TxDiscardsWrongSA=%u\n", sums->tx_discards_wrong_sa);
86 seq_printf(m, "RxDiscardsWEPUndecryptable=%u\n",
87 sums->rx_discards_wep_undecryptable);
88 seq_printf(m, "RxMessageInMsgFragments=%u\n",
89 sums->rx_message_in_msg_fragments);
90 seq_printf(m, "RxMessageInBadMsgFragments=%u\n",
91 sums->rx_message_in_bad_msg_fragments);
92 /* FIX: this may grow too long for one page(?) */
97 static int prism2_stats_proc_open(struct inode *inode, struct file *file)
99 return single_open(file, prism2_stats_proc_show, PDE_DATA(inode));
102 static const struct file_operations prism2_stats_proc_fops = {
103 .open = prism2_stats_proc_open,
106 .release = single_release,
110 static int prism2_wds_proc_show(struct seq_file *m, void *v)
112 struct list_head *ptr = v;
113 struct hostap_interface *iface;
115 iface = list_entry(ptr, struct hostap_interface, list);
116 if (iface->type == HOSTAP_INTERFACE_WDS)
117 seq_printf(m, "%s\t%pM\n",
118 iface->dev->name, iface->u.wds.remote_addr);
122 static void *prism2_wds_proc_start(struct seq_file *m, loff_t *_pos)
124 local_info_t *local = m->private;
125 read_lock_bh(&local->iface_lock);
126 return seq_list_start(&local->hostap_interfaces, *_pos);
129 static void *prism2_wds_proc_next(struct seq_file *m, void *v, loff_t *_pos)
131 local_info_t *local = m->private;
132 return seq_list_next(v, &local->hostap_interfaces, _pos);
135 static void prism2_wds_proc_stop(struct seq_file *m, void *v)
137 local_info_t *local = m->private;
138 read_unlock_bh(&local->iface_lock);
141 static const struct seq_operations prism2_wds_proc_seqops = {
142 .start = prism2_wds_proc_start,
143 .next = prism2_wds_proc_next,
144 .stop = prism2_wds_proc_stop,
145 .show = prism2_wds_proc_show,
148 static int prism2_wds_proc_open(struct inode *inode, struct file *file)
150 int ret = seq_open(file, &prism2_wds_proc_seqops);
152 struct seq_file *m = file->private_data;
153 m->private = PDE_DATA(inode);
158 static const struct file_operations prism2_wds_proc_fops = {
159 .open = prism2_wds_proc_open,
162 .release = seq_release,
166 static int prism2_bss_list_proc_show(struct seq_file *m, void *v)
168 local_info_t *local = m->private;
169 struct list_head *ptr = v;
170 struct hostap_bss_info *bss;
172 if (ptr == &local->bss_list) {
173 seq_printf(m, "#BSSID\tlast_update\tcount\tcapab_info\tSSID(txt)\t"
174 "SSID(hex)\tWPA IE\n");
178 bss = list_entry(ptr, struct hostap_bss_info, list);
179 seq_printf(m, "%pM\t%lu\t%u\t0x%x\t",
180 bss->bssid, bss->last_update,
181 bss->count, bss->capab_info);
183 seq_printf(m, "%*pE", (int)bss->ssid_len, bss->ssid);
186 seq_printf(m, "%*phN", (int)bss->ssid_len, bss->ssid);
188 seq_printf(m, "%*phN", (int)bss->wpa_ie_len, bss->wpa_ie);
193 static void *prism2_bss_list_proc_start(struct seq_file *m, loff_t *_pos)
195 local_info_t *local = m->private;
196 spin_lock_bh(&local->lock);
197 return seq_list_start_head(&local->bss_list, *_pos);
200 static void *prism2_bss_list_proc_next(struct seq_file *m, void *v, loff_t *_pos)
202 local_info_t *local = m->private;
203 return seq_list_next(v, &local->bss_list, _pos);
206 static void prism2_bss_list_proc_stop(struct seq_file *m, void *v)
208 local_info_t *local = m->private;
209 spin_unlock_bh(&local->lock);
212 static const struct seq_operations prism2_bss_list_proc_seqops = {
213 .start = prism2_bss_list_proc_start,
214 .next = prism2_bss_list_proc_next,
215 .stop = prism2_bss_list_proc_stop,
216 .show = prism2_bss_list_proc_show,
219 static int prism2_bss_list_proc_open(struct inode *inode, struct file *file)
221 int ret = seq_open(file, &prism2_bss_list_proc_seqops);
223 struct seq_file *m = file->private_data;
224 m->private = PDE_DATA(inode);
229 static const struct file_operations prism2_bss_list_proc_fops = {
230 .open = prism2_bss_list_proc_open,
233 .release = seq_release,
237 static int prism2_crypt_proc_show(struct seq_file *m, void *v)
239 local_info_t *local = m->private;
242 seq_printf(m, "tx_keyidx=%d\n", local->crypt_info.tx_keyidx);
243 for (i = 0; i < WEP_KEYS; i++) {
244 if (local->crypt_info.crypt[i] &&
245 local->crypt_info.crypt[i]->ops &&
246 local->crypt_info.crypt[i]->ops->print_stats) {
247 local->crypt_info.crypt[i]->ops->print_stats(
248 m, local->crypt_info.crypt[i]->priv);
254 static int prism2_crypt_proc_open(struct inode *inode, struct file *file)
256 return single_open(file, prism2_crypt_proc_show, PDE_DATA(inode));
259 static const struct file_operations prism2_crypt_proc_fops = {
260 .open = prism2_crypt_proc_open,
263 .release = single_release,
267 static ssize_t prism2_pda_proc_read(struct file *file, char __user *buf,
268 size_t count, loff_t *_pos)
270 local_info_t *local = PDE_DATA(file_inode(file));
273 if (local->pda == NULL || *_pos >= PRISM2_PDA_SIZE)
277 if (count > PRISM2_PDA_SIZE - off)
278 count = PRISM2_PDA_SIZE - off;
279 if (copy_to_user(buf, local->pda + off, count) != 0)
285 static const struct file_operations prism2_pda_proc_fops = {
286 .read = prism2_pda_proc_read,
287 .llseek = generic_file_llseek,
291 static ssize_t prism2_aux_dump_proc_no_read(struct file *file, char __user *buf,
292 size_t bufsize, loff_t *_pos)
297 static const struct file_operations prism2_aux_dump_proc_fops = {
298 .read = prism2_aux_dump_proc_no_read,
302 #ifdef PRISM2_IO_DEBUG
303 static int prism2_io_debug_proc_read(char *page, char **start, off_t off,
304 int count, int *eof, void *data)
306 local_info_t *local = (local_info_t *) data;
307 int head = local->io_debug_head;
308 int start_bytes, left, copy, copied;
310 if (off + count > PRISM2_IO_DEBUG_SIZE * 4) {
312 if (off >= PRISM2_IO_DEBUG_SIZE * 4)
314 count = PRISM2_IO_DEBUG_SIZE * 4 - off;
318 start_bytes = (PRISM2_IO_DEBUG_SIZE - head) * 4;
321 if (off < start_bytes) {
322 copy = start_bytes - off;
325 memcpy(page, ((u8 *) &local->io_debug[head]) + off, copy);
328 memcpy(&page[copy], local->io_debug, left);
330 memcpy(page, ((u8 *) local->io_debug) + (off - start_bytes),
338 #endif /* PRISM2_IO_DEBUG */
341 #ifndef PRISM2_NO_STATION_MODES
342 static int prism2_scan_results_proc_show(struct seq_file *m, void *v)
344 local_info_t *local = m->private;
347 struct hfa384x_hostscan_result *scanres;
350 if (v == SEQ_START_TOKEN) {
352 "CHID ANL SL BcnInt Capab Rate BSSID ATIM SupRates SSID\n");
356 entry = (unsigned long)v - 2;
357 scanres = &local->last_scan_results[entry];
359 seq_printf(m, "%d %d %d %d 0x%02x %d %pM %d ",
360 le16_to_cpu(scanres->chid),
361 (s16) le16_to_cpu(scanres->anl),
362 (s16) le16_to_cpu(scanres->sl),
363 le16_to_cpu(scanres->beacon_interval),
364 le16_to_cpu(scanres->capability),
365 le16_to_cpu(scanres->rate),
367 le16_to_cpu(scanres->atim));
369 p = scanres->sup_rates;
370 for (i = 0; i < sizeof(scanres->sup_rates); i++) {
373 seq_printf(m, "<%02x>", p[i]);
378 len = le16_to_cpu(scanres->ssid_len);
381 for (i = 0; i < len; i++) {
382 unsigned char c = p[i];
383 if (c >= 32 && c < 127)
386 seq_printf(m, "<%02x>", c);
392 static void *prism2_scan_results_proc_start(struct seq_file *m, loff_t *_pos)
394 local_info_t *local = m->private;
395 spin_lock_bh(&local->lock);
397 /* We have a header (pos 0) + N results to show (pos 1...N) */
398 if (*_pos > local->last_scan_results_count)
400 return (void *)(unsigned long)(*_pos + 1); /* 0 would be EOF */
403 static void *prism2_scan_results_proc_next(struct seq_file *m, void *v, loff_t *_pos)
405 local_info_t *local = m->private;
408 if (*_pos > local->last_scan_results_count)
410 return (void *)(unsigned long)(*_pos + 1); /* 0 would be EOF */
413 static void prism2_scan_results_proc_stop(struct seq_file *m, void *v)
415 local_info_t *local = m->private;
416 spin_unlock_bh(&local->lock);
419 static const struct seq_operations prism2_scan_results_proc_seqops = {
420 .start = prism2_scan_results_proc_start,
421 .next = prism2_scan_results_proc_next,
422 .stop = prism2_scan_results_proc_stop,
423 .show = prism2_scan_results_proc_show,
426 static int prism2_scan_results_proc_open(struct inode *inode, struct file *file)
428 int ret = seq_open(file, &prism2_scan_results_proc_seqops);
430 struct seq_file *m = file->private_data;
431 m->private = PDE_DATA(inode);
436 static const struct file_operations prism2_scan_results_proc_fops = {
437 .open = prism2_scan_results_proc_open,
440 .release = seq_release,
444 #endif /* PRISM2_NO_STATION_MODES */
447 void hostap_init_proc(local_info_t *local)
451 if (hostap_proc == NULL) {
452 printk(KERN_WARNING "%s: hostap proc directory not created\n",
457 local->proc = proc_mkdir(local->ddev->name, hostap_proc);
458 if (local->proc == NULL) {
459 printk(KERN_INFO "/proc/net/hostap/%s creation failed\n",
464 #ifndef PRISM2_NO_PROCFS_DEBUG
465 proc_create_data("debug", 0, local->proc,
466 &prism2_debug_proc_fops, local);
467 #endif /* PRISM2_NO_PROCFS_DEBUG */
468 proc_create_data("stats", 0, local->proc,
469 &prism2_stats_proc_fops, local);
470 proc_create_data("wds", 0, local->proc,
471 &prism2_wds_proc_fops, local);
472 proc_create_data("pda", 0, local->proc,
473 &prism2_pda_proc_fops, local);
474 proc_create_data("aux_dump", 0, local->proc,
475 local->func->read_aux_fops ?: &prism2_aux_dump_proc_fops,
477 proc_create_data("bss_list", 0, local->proc,
478 &prism2_bss_list_proc_fops, local);
479 proc_create_data("crypt", 0, local->proc,
480 &prism2_crypt_proc_fops, local);
481 #ifdef PRISM2_IO_DEBUG
482 proc_create_data("io_debug", 0, local->proc,
483 &prism2_io_debug_proc_fops, local);
484 #endif /* PRISM2_IO_DEBUG */
485 #ifndef PRISM2_NO_STATION_MODES
486 proc_create_data("scan_results", 0, local->proc,
487 &prism2_scan_results_proc_fops, local);
488 #endif /* PRISM2_NO_STATION_MODES */
492 void hostap_remove_proc(local_info_t *local)
494 proc_remove(local->proc);
498 EXPORT_SYMBOL(hostap_init_proc);
499 EXPORT_SYMBOL(hostap_remove_proc);