Permalink
Switch branches/tags
Nothing to show
Find file
Fetching contributors…
Cannot retrieve contributors at this time
458 lines (385 sloc) 11.8 KB
/* /proc routines for Host AP driver */
#include <linux/types.h>
#include <linux/proc_fs.h>
#include <net/lib80211.h>
#include "hostap_wlan.h"
#include "hostap.h"
#define PROC_LIMIT (PAGE_SIZE - 80)
#ifndef PRISM2_NO_PROCFS_DEBUG
static int prism2_debug_proc_read(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
char *p = page;
local_info_t *local = (local_info_t *) data;
int i;
if (off != 0) {
*eof = 1;
return 0;
}
p += sprintf(p, "next_txfid=%d next_alloc=%d\n",
local->next_txfid, local->next_alloc);
for (i = 0; i < PRISM2_TXFID_COUNT; i++)
p += sprintf(p, "FID: tx=%04X intransmit=%04X\n",
local->txfid[i], local->intransmitfid[i]);
p += sprintf(p, "FW TX rate control: %d\n", local->fw_tx_rate_control);
p += sprintf(p, "beacon_int=%d\n", local->beacon_int);
p += sprintf(p, "dtim_period=%d\n", local->dtim_period);
p += sprintf(p, "wds_max_connections=%d\n",
local->wds_max_connections);
p += sprintf(p, "dev_enabled=%d\n", local->dev_enabled);
p += sprintf(p, "sw_tick_stuck=%d\n", local->sw_tick_stuck);
for (i = 0; i < WEP_KEYS; i++) {
if (local->crypt_info.crypt[i] &&
local->crypt_info.crypt[i]->ops) {
p += sprintf(p, "crypt[%d]=%s\n", i,
local->crypt_info.crypt[i]->ops->name);
}
}
p += sprintf(p, "pri_only=%d\n", local->pri_only);
p += sprintf(p, "pci=%d\n", local->func->hw_type == HOSTAP_HW_PCI);
p += sprintf(p, "sram_type=%d\n", local->sram_type);
p += sprintf(p, "no_pri=%d\n", local->no_pri);
return (p - page);
}
#endif /* PRISM2_NO_PROCFS_DEBUG */
static int prism2_stats_proc_read(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
char *p = page;
local_info_t *local = (local_info_t *) data;
struct comm_tallies_sums *sums = (struct comm_tallies_sums *)
&local->comm_tallies;
if (off != 0) {
*eof = 1;
return 0;
}
p += sprintf(p, "TxUnicastFrames=%u\n", sums->tx_unicast_frames);
p += sprintf(p, "TxMulticastframes=%u\n", sums->tx_multicast_frames);
p += sprintf(p, "TxFragments=%u\n", sums->tx_fragments);
p += sprintf(p, "TxUnicastOctets=%u\n", sums->tx_unicast_octets);
p += sprintf(p, "TxMulticastOctets=%u\n", sums->tx_multicast_octets);
p += sprintf(p, "TxDeferredTransmissions=%u\n",
sums->tx_deferred_transmissions);
p += sprintf(p, "TxSingleRetryFrames=%u\n",
sums->tx_single_retry_frames);
p += sprintf(p, "TxMultipleRetryFrames=%u\n",
sums->tx_multiple_retry_frames);
p += sprintf(p, "TxRetryLimitExceeded=%u\n",
sums->tx_retry_limit_exceeded);
p += sprintf(p, "TxDiscards=%u\n", sums->tx_discards);
p += sprintf(p, "RxUnicastFrames=%u\n", sums->rx_unicast_frames);
p += sprintf(p, "RxMulticastFrames=%u\n", sums->rx_multicast_frames);
p += sprintf(p, "RxFragments=%u\n", sums->rx_fragments);
p += sprintf(p, "RxUnicastOctets=%u\n", sums->rx_unicast_octets);
p += sprintf(p, "RxMulticastOctets=%u\n", sums->rx_multicast_octets);
p += sprintf(p, "RxFCSErrors=%u\n", sums->rx_fcs_errors);
p += sprintf(p, "RxDiscardsNoBuffer=%u\n",
sums->rx_discards_no_buffer);
p += sprintf(p, "TxDiscardsWrongSA=%u\n", sums->tx_discards_wrong_sa);
p += sprintf(p, "RxDiscardsWEPUndecryptable=%u\n",
sums->rx_discards_wep_undecryptable);
p += sprintf(p, "RxMessageInMsgFragments=%u\n",
sums->rx_message_in_msg_fragments);
p += sprintf(p, "RxMessageInBadMsgFragments=%u\n",
sums->rx_message_in_bad_msg_fragments);
/* FIX: this may grow too long for one page(?) */
return (p - page);
}
static int prism2_wds_proc_read(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
char *p = page;
local_info_t *local = (local_info_t *) data;
struct list_head *ptr;
struct hostap_interface *iface;
if (off > PROC_LIMIT) {
*eof = 1;
return 0;
}
read_lock_bh(&local->iface_lock);
list_for_each(ptr, &local->hostap_interfaces) {
iface = list_entry(ptr, struct hostap_interface, list);
if (iface->type != HOSTAP_INTERFACE_WDS)
continue;
p += sprintf(p, "%s\t%pM\n",
iface->dev->name,
iface->u.wds.remote_addr);
if ((p - page) > PROC_LIMIT) {
printk(KERN_DEBUG "%s: wds proc did not fit\n",
local->dev->name);
break;
}
}
read_unlock_bh(&local->iface_lock);
if ((p - page) <= off) {
*eof = 1;
return 0;
}
*start = page + off;
return (p - page - off);
}
static int prism2_bss_list_proc_read(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
char *p = page;
local_info_t *local = (local_info_t *) data;
struct list_head *ptr;
struct hostap_bss_info *bss;
int i;
if (off > PROC_LIMIT) {
*eof = 1;
return 0;
}
p += sprintf(p, "#BSSID\tlast_update\tcount\tcapab_info\tSSID(txt)\t"
"SSID(hex)\tWPA IE\n");
spin_lock_bh(&local->lock);
list_for_each(ptr, &local->bss_list) {
bss = list_entry(ptr, struct hostap_bss_info, list);
p += sprintf(p, "%pM\t%lu\t%u\t0x%x\t",
bss->bssid, bss->last_update,
bss->count, bss->capab_info);
for (i = 0; i < bss->ssid_len; i++) {
p += sprintf(p, "%c",
bss->ssid[i] >= 32 && bss->ssid[i] < 127 ?
bss->ssid[i] : '_');
}
p += sprintf(p, "\t");
for (i = 0; i < bss->ssid_len; i++) {
p += sprintf(p, "%02x", bss->ssid[i]);
}
p += sprintf(p, "\t");
for (i = 0; i < bss->wpa_ie_len; i++) {
p += sprintf(p, "%02x", bss->wpa_ie[i]);
}
p += sprintf(p, "\n");
if ((p - page) > PROC_LIMIT) {
printk(KERN_DEBUG "%s: BSS proc did not fit\n",
local->dev->name);
break;
}
}
spin_unlock_bh(&local->lock);
if ((p - page) <= off) {
*eof = 1;
return 0;
}
*start = page + off;
return (p - page - off);
}
static int prism2_crypt_proc_read(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
char *p = page;
local_info_t *local = (local_info_t *) data;
int i;
if (off > PROC_LIMIT) {
*eof = 1;
return 0;
}
p += sprintf(p, "tx_keyidx=%d\n", local->crypt_info.tx_keyidx);
for (i = 0; i < WEP_KEYS; i++) {
if (local->crypt_info.crypt[i] &&
local->crypt_info.crypt[i]->ops &&
local->crypt_info.crypt[i]->ops->print_stats) {
p = local->crypt_info.crypt[i]->ops->print_stats(
p, local->crypt_info.crypt[i]->priv);
}
}
if ((p - page) <= off) {
*eof = 1;
return 0;
}
*start = page + off;
return (p - page - off);
}
static int prism2_pda_proc_read(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
local_info_t *local = (local_info_t *) data;
if (local->pda == NULL || off >= PRISM2_PDA_SIZE) {
*eof = 1;
return 0;
}
if (off + count > PRISM2_PDA_SIZE)
count = PRISM2_PDA_SIZE - off;
memcpy(page, local->pda + off, count);
return count;
}
static int prism2_aux_dump_proc_read(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
local_info_t *local = (local_info_t *) data;
if (local->func->read_aux == NULL) {
*eof = 1;
return 0;
}
if (local->func->read_aux(local->dev, off, count, page)) {
*eof = 1;
return 0;
}
*start = page;
return count;
}
#ifdef PRISM2_IO_DEBUG
static int prism2_io_debug_proc_read(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
local_info_t *local = (local_info_t *) data;
int head = local->io_debug_head;
int start_bytes, left, copy, copied;
if (off + count > PRISM2_IO_DEBUG_SIZE * 4) {
*eof = 1;
if (off >= PRISM2_IO_DEBUG_SIZE * 4)
return 0;
count = PRISM2_IO_DEBUG_SIZE * 4 - off;
}
copied = 0;
start_bytes = (PRISM2_IO_DEBUG_SIZE - head) * 4;
left = count;
if (off < start_bytes) {
copy = start_bytes - off;
if (copy > count)
copy = count;
memcpy(page, ((u8 *) &local->io_debug[head]) + off, copy);
left -= copy;
if (left > 0)
memcpy(&page[copy], local->io_debug, left);
} else {
memcpy(page, ((u8 *) local->io_debug) + (off - start_bytes),
left);
}
*start = page;
return count;
}
#endif /* PRISM2_IO_DEBUG */
#ifndef PRISM2_NO_STATION_MODES
static int prism2_scan_results_proc_read(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
char *p = page;
local_info_t *local = (local_info_t *) data;
int entry, i, len, total = 0;
struct hfa384x_hostscan_result *scanres;
u8 *pos;
p += sprintf(p, "CHID ANL SL BcnInt Capab Rate BSSID ATIM SupRates "
"SSID\n");
spin_lock_bh(&local->lock);
for (entry = 0; entry < local->last_scan_results_count; entry++) {
scanres = &local->last_scan_results[entry];
if (total + (p - page) <= off) {
total += p - page;
p = page;
}
if (total + (p - page) > off + count)
break;
if ((p - page) > (PAGE_SIZE - 200))
break;
p += sprintf(p, "%d %d %d %d 0x%02x %d %pM %d ",
le16_to_cpu(scanres->chid),
(s16) le16_to_cpu(scanres->anl),
(s16) le16_to_cpu(scanres->sl),
le16_to_cpu(scanres->beacon_interval),
le16_to_cpu(scanres->capability),
le16_to_cpu(scanres->rate),
scanres->bssid,
le16_to_cpu(scanres->atim));
pos = scanres->sup_rates;
for (i = 0; i < sizeof(scanres->sup_rates); i++) {
if (pos[i] == 0)
break;
p += sprintf(p, "<%02x>", pos[i]);
}
p += sprintf(p, " ");
pos = scanres->ssid;
len = le16_to_cpu(scanres->ssid_len);
if (len > 32)
len = 32;
for (i = 0; i < len; i++) {
unsigned char c = pos[i];
if (c >= 32 && c < 127)
p += sprintf(p, "%c", c);
else
p += sprintf(p, "<%02x>", c);
}
p += sprintf(p, "\n");
}
spin_unlock_bh(&local->lock);
total += (p - page);
if (total >= off + count)
*eof = 1;
if (total < off) {
*eof = 1;
return 0;
}
len = total - off;
if (len > (p - page))
len = p - page;
*start = p - len;
if (len > count)
len = count;
return len;
}
#endif /* PRISM2_NO_STATION_MODES */
void hostap_init_proc(local_info_t *local)
{
local->proc = NULL;
if (hostap_proc == NULL) {
printk(KERN_WARNING "%s: hostap proc directory not created\n",
local->dev->name);
return;
}
local->proc = proc_mkdir(local->ddev->name, hostap_proc);
if (local->proc == NULL) {
printk(KERN_INFO "/proc/net/hostap/%s creation failed\n",
local->ddev->name);
return;
}
#ifndef PRISM2_NO_PROCFS_DEBUG
create_proc_read_entry("debug", 0, local->proc,
prism2_debug_proc_read, local);
#endif /* PRISM2_NO_PROCFS_DEBUG */
create_proc_read_entry("stats", 0, local->proc,
prism2_stats_proc_read, local);
create_proc_read_entry("wds", 0, local->proc,
prism2_wds_proc_read, local);
create_proc_read_entry("pda", 0, local->proc,
prism2_pda_proc_read, local);
create_proc_read_entry("aux_dump", 0, local->proc,
prism2_aux_dump_proc_read, local);
create_proc_read_entry("bss_list", 0, local->proc,
prism2_bss_list_proc_read, local);
create_proc_read_entry("crypt", 0, local->proc,
prism2_crypt_proc_read, local);
#ifdef PRISM2_IO_DEBUG
create_proc_read_entry("io_debug", 0, local->proc,
prism2_io_debug_proc_read, local);
#endif /* PRISM2_IO_DEBUG */
#ifndef PRISM2_NO_STATION_MODES
create_proc_read_entry("scan_results", 0, local->proc,
prism2_scan_results_proc_read, local);
#endif /* PRISM2_NO_STATION_MODES */
}
void hostap_remove_proc(local_info_t *local)
{
if (local->proc != NULL) {
#ifndef PRISM2_NO_STATION_MODES
remove_proc_entry("scan_results", local->proc);
#endif /* PRISM2_NO_STATION_MODES */
#ifdef PRISM2_IO_DEBUG
remove_proc_entry("io_debug", local->proc);
#endif /* PRISM2_IO_DEBUG */
remove_proc_entry("pda", local->proc);
remove_proc_entry("aux_dump", local->proc);
remove_proc_entry("wds", local->proc);
remove_proc_entry("stats", local->proc);
remove_proc_entry("bss_list", local->proc);
remove_proc_entry("crypt", local->proc);
#ifndef PRISM2_NO_PROCFS_DEBUG
remove_proc_entry("debug", local->proc);
#endif /* PRISM2_NO_PROCFS_DEBUG */
if (hostap_proc != NULL)
remove_proc_entry(local->proc->name, hostap_proc);
}
}
EXPORT_SYMBOL(hostap_init_proc);
EXPORT_SYMBOL(hostap_remove_proc);