[deliverable/linux.git] / drivers / net / wireless / hostap / hostap_proc.c

/* /proc routines for Host AP driver */

#include <linux/types.h>
#include <linux/proc_fs.h>
#include <net/ieee80211_crypt.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[i] && local->crypt[i]->ops) {
			p += sprintf(p, "crypt[%d]=%s\n",
				     i, local->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->tx_keyidx);
	for (i = 0; i < WEP_KEYS; i++) {
		if (local->crypt[i] && local->crypt[i]->ops &&
		    local->crypt[i]->ops->print_stats) {
			p = local->crypt[i]->ops->print_stats(
				p, local->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);
Commit	Line	Data
ff1d2767 JM	1	/* /proc routines for Host AP driver */
ff1d2767 JM	2
5fad5a2e AB	3	#include <linux/types.h>
	4	#include <linux/proc_fs.h>
	5	#include <net/ieee80211_crypt.h>
	6
	7	#include "hostap_wlan.h"
	8	#include "hostap.h"
	9
ff1d2767 JM	10	#define PROC_LIMIT (PAGE_SIZE - 80)
	11
	12
	13	#ifndef PRISM2_NO_PROCFS_DEBUG
	14	static int prism2_debug_proc_read(char page, char *start, off_t off,
	15	int count, int eof, void data)
	16	{
	17	char *p = page;
	18	local_info_t local = (local_info_t ) data;
	19	int i;
	20
	21	if (off != 0) {
	22	*eof = 1;
	23	return 0;
	24	}
	25
	26	p += sprintf(p, "next_txfid=%d next_alloc=%d\n",
	27	local->next_txfid, local->next_alloc);
	28	for (i = 0; i < PRISM2_TXFID_COUNT; i++)
	29	p += sprintf(p, "FID: tx=%04X intransmit=%04X\n",
	30	local->txfid[i], local->intransmitfid[i]);
	31	p += sprintf(p, "FW TX rate control: %d\n", local->fw_tx_rate_control);
	32	p += sprintf(p, "beacon_int=%d\n", local->beacon_int);
	33	p += sprintf(p, "dtim_period=%d\n", local->dtim_period);
	34	p += sprintf(p, "wds_max_connections=%d\n",
	35	local->wds_max_connections);
	36	p += sprintf(p, "dev_enabled=%d\n", local->dev_enabled);
	37	p += sprintf(p, "sw_tick_stuck=%d\n", local->sw_tick_stuck);
	38	for (i = 0; i < WEP_KEYS; i++) {
	39	if (local->crypt[i] && local->crypt[i]->ops) {
	40	p += sprintf(p, "crypt[%d]=%s\n",
	41	i, local->crypt[i]->ops->name);
	42	}
	43	}
	44	p += sprintf(p, "pri_only=%d\n", local->pri_only);
	45	p += sprintf(p, "pci=%d\n", local->func->hw_type == HOSTAP_HW_PCI);
	46	p += sprintf(p, "sram_type=%d\n", local->sram_type);
	47	p += sprintf(p, "no_pri=%d\n", local->no_pri);
	48
	49	return (p - page);
	50	}
	51	#endif /* PRISM2_NO_PROCFS_DEBUG */
	52
	53
	54	static int prism2_stats_proc_read(char page, char *start, off_t off,
	55	int count, int eof, void data)
	56	{
	57	char *p = page;
	58	local_info_t local = (local_info_t ) data;
	59	struct comm_tallies_sums sums = (struct comm_tallies_sums )
	60	&local->comm_tallies;
	61
	62	if (off != 0) {
	63	*eof = 1;
	64	return 0;
	65	}
	66
	67	p += sprintf(p, "TxUnicastFrames=%u\n", sums->tx_unicast_frames);
	68	p += sprintf(p, "TxMulticastframes=%u\n", sums->tx_multicast_frames);
	69	p += sprintf(p, "TxFragments=%u\n", sums->tx_fragments);
	70	p += sprintf(p, "TxUnicastOctets=%u\n", sums->tx_unicast_octets);
	71	p += sprintf(p, "TxMulticastOctets=%u\n", sums->tx_multicast_octets);
	72	p += sprintf(p, "TxDeferredTransmissions=%u\n",
	73	sums->tx_deferred_transmissions);
74	p += sprintf(p, "TxSingleRetryFrames=%u\n",
75	sums->tx_single_retry_frames);
76	p += sprintf(p, "TxMultipleRetryFrames=%u\n",
77	sums->tx_multiple_retry_frames);
78	p += sprintf(p, "TxRetryLimitExceeded=%u\n",
79	sums->tx_retry_limit_exceeded);
80	p += sprintf(p, "TxDiscards=%u\n", sums->tx_discards);
81	p += sprintf(p, "RxUnicastFrames=%u\n", sums->rx_unicast_frames);
82	p += sprintf(p, "RxMulticastFrames=%u\n", sums->rx_multicast_frames);
83	p += sprintf(p, "RxFragments=%u\n", sums->rx_fragments);
84	p += sprintf(p, "RxUnicastOctets=%u\n", sums->rx_unicast_octets);
85	p += sprintf(p, "RxMulticastOctets=%u\n", sums->rx_multicast_octets);
86	p += sprintf(p, "RxFCSErrors=%u\n", sums->rx_fcs_errors);
87	p += sprintf(p, "RxDiscardsNoBuffer=%u\n",
88	sums->rx_discards_no_buffer);
89	p += sprintf(p, "TxDiscardsWrongSA=%u\n", sums->tx_discards_wrong_sa);
90	p += sprintf(p, "RxDiscardsWEPUndecryptable=%u\n",
91	sums->rx_discards_wep_undecryptable);
92	p += sprintf(p, "RxMessageInMsgFragments=%u\n",
93	sums->rx_message_in_msg_fragments);
94	p += sprintf(p, "RxMessageInBadMsgFragments=%u\n",
95	sums->rx_message_in_bad_msg_fragments);
96	/* FIX: this may grow too long for one page(?) */
97
98	return (p - page);
99	}
100
101
102	static int prism2_wds_proc_read(char page, char *start, off_t off,
103	int count, int eof, void data)
104	{
105	char *p = page;
106	local_info_t local = (local_info_t ) data;
107	struct list_head *ptr;
108	struct hostap_interface *iface;
109
110	if (off > PROC_LIMIT) {
111	*eof = 1;
112	return 0;
113	}
114
115	read_lock_bh(&local->iface_lock);
116	list_for_each(ptr, &local->hostap_interfaces) {
117	iface = list_entry(ptr, struct hostap_interface, list);
118	if (iface->type != HOSTAP_INTERFACE_WDS)
119	continue;
e174961c	120	p += sprintf(p, "%s\t%pM\n",
ff1d2767	121	iface->dev->name,
e174961c	122	iface->u.wds.remote_addr);
ff1d2767 JM	123	if ((p - page) > PROC_LIMIT) {
	124	printk(KERN_DEBUG "%s: wds proc did not fit\n",
	125	local->dev->name);
	126	break;
	127	}
	128	}
	129	read_unlock_bh(&local->iface_lock);
	130
	131	if ((p - page) <= off) {
	132	*eof = 1;
	133	return 0;
	134	}
	135
	136	*start = page + off;
	137
	138	return (p - page - off);
	139	}
	140
	141
	142	static int prism2_bss_list_proc_read(char page, char *start, off_t off,
	143	int count, int eof, void data)
	144	{
	145	char *p = page;
	146	local_info_t local = (local_info_t ) data;
	147	struct list_head *ptr;
	148	struct hostap_bss_info *bss;
	149	int i;
	150
	151	if (off > PROC_LIMIT) {
	152	*eof = 1;
	153	return 0;
	154	}
	155
	156	p += sprintf(p, "#BSSID\tlast_update\tcount\tcapab_info\tSSID(txt)\t"
	157	"SSID(hex)\tWPA IE\n");
	158	spin_lock_bh(&local->lock);
	159	list_for_each(ptr, &local->bss_list) {
	160	bss = list_entry(ptr, struct hostap_bss_info, list);
e174961c JB	161	p += sprintf(p, "%pM\t%lu\t%u\t0x%x\t",
e174961c JB	162	bss->bssid, bss->last_update,
ff1d2767 JM	163	bss->count, bss->capab_info);
	164	for (i = 0; i < bss->ssid_len; i++) {
	165	p += sprintf(p, "%c",
	166	bss->ssid[i] >= 32 && bss->ssid[i] < 127 ?
	167	bss->ssid[i] : '_');
	168	}
	169	p += sprintf(p, "\t");
	170	for (i = 0; i < bss->ssid_len; i++) {
	171	p += sprintf(p, "%02x", bss->ssid[i]);
	172	}
	173	p += sprintf(p, "\t");
	174	for (i = 0; i < bss->wpa_ie_len; i++) {
	175	p += sprintf(p, "%02x", bss->wpa_ie[i]);
	176	}
	177	p += sprintf(p, "\n");
	178	if ((p - page) > PROC_LIMIT) {
	179	printk(KERN_DEBUG "%s: BSS proc did not fit\n",
	180	local->dev->name);
	181	break;
	182	}
	183	}
	184	spin_unlock_bh(&local->lock);
	185
	186	if ((p - page) <= off) {
	187	*eof = 1;
	188	return 0;
	189	}
	190
	191	*start = page + off;
	192
	193	return (p - page - off);
	194	}
	195
	196
	197	static int prism2_crypt_proc_read(char page, char *start, off_t off,
	198	int count, int eof, void data)
	199	{
	200	char *p = page;
	201	local_info_t local = (local_info_t ) data;
	202	int i;
	203
	204	if (off > PROC_LIMIT) {
	205	*eof = 1;
	206	return 0;
	207	}
	208
	209	p += sprintf(p, "tx_keyidx=%d\n", local->tx_keyidx);
	210	for (i = 0; i < WEP_KEYS; i++) {
	211	if (local->crypt[i] && local->crypt[i]->ops &&
	212	local->crypt[i]->ops->print_stats) {
	213	p = local->crypt[i]->ops->print_stats(
	214	p, local->crypt[i]->priv);
	215	}
	216	}
	217
	218	if ((p - page) <= off) {
	219	*eof = 1;
	220	return 0;
	221	}
	222
	223	*start = page + off;
	224
	225	return (p - page - off);
	226	}
227
228
229	static int prism2_pda_proc_read(char page, char *start, off_t off,
230	int count, int eof, void data)
231	{
232	local_info_t local = (local_info_t ) data;
233
234	if (local->pda == NULL \|\| off >= PRISM2_PDA_SIZE) {
235	*eof = 1;
236	return 0;
237	}
238
239	if (off + count > PRISM2_PDA_SIZE)
240	count = PRISM2_PDA_SIZE - off;
241
242	memcpy(page, local->pda + off, count);
243	return count;
244	}
245
246
247	static int prism2_aux_dump_proc_read(char page, char *start, off_t off,
248	int count, int eof, void data)
249	{
250	local_info_t local = (local_info_t ) data;
251
252	if (local->func->read_aux == NULL) {
253	*eof = 1;
254	return 0;
255	}
256
257	if (local->func->read_aux(local->dev, off, count, page)) {
258	*eof = 1;
259	return 0;
260	}
261	*start = page;
262
263	return count;
264	}
265
266
267	#ifdef PRISM2_IO_DEBUG
268	static int prism2_io_debug_proc_read(char page, char *start, off_t off,
269	int count, int eof, void data)
270	{
271	local_info_t local = (local_info_t ) data;
272	int head = local->io_debug_head;
273	int start_bytes, left, copy, copied;
274
275	if (off + count > PRISM2_IO_DEBUG_SIZE * 4) {
276	*eof = 1;
277	if (off >= PRISM2_IO_DEBUG_SIZE * 4)
278	return 0;
279	count = PRISM2_IO_DEBUG_SIZE * 4 - off;
280	}
281
282	copied = 0;
283	start_bytes = (PRISM2_IO_DEBUG_SIZE - head) * 4;
284	left = count;
285
286	if (off < start_bytes) {
287	copy = start_bytes - off;
288	if (copy > count)
289	copy = count;
290	memcpy(page, ((u8 *) &local->io_debug[head]) + off, copy);
291	left -= copy;
292	if (left > 0)
293	memcpy(&page[copy], local->io_debug, left);
294	} else {
295	memcpy(page, ((u8 *) local->io_debug) + (off - start_bytes),
296	left);
297	}
298
299	*start = page;
300
301	return count;
302	}
303	#endif /* PRISM2_IO_DEBUG */
304
305
306	#ifndef PRISM2_NO_STATION_MODES
307	static int prism2_scan_results_proc_read(char page, char *start, off_t off,
308	int count, int eof, void data)
309	{
310	char *p = page;
311	local_info_t local = (local_info_t ) data;
2e4fd068 JM	312	int entry, i, len, total = 0;
2e4fd068 JM	313	struct hfa384x_hostscan_result *scanres;
ff1d2767 JM	314	u8 *pos;
	315
	316	p += sprintf(p, "CHID ANL SL BcnInt Capab Rate BSSID ATIM SupRates "
	317	"SSID\n");
	318
	319	spin_lock_bh(&local->lock);
2e4fd068	320	for (entry = 0; entry < local->last_scan_results_count; entry++) {
ff1d2767 JM	321	scanres = &local->last_scan_results[entry];
	322
	323	if (total + (p - page) <= off) {
	324	total += p - page;
	325	p = page;
	326	}
	327	if (total + (p - page) > off + count)
	328	break;
	329	if ((p - page) > (PAGE_SIZE - 200))
	330	break;
	331
e174961c	332	p += sprintf(p, "%d %d %d %d 0x%02x %d %pM %d ",
2e4fd068 JM	333	le16_to_cpu(scanres->chid),
	334	(s16) le16_to_cpu(scanres->anl),
	335	(s16) le16_to_cpu(scanres->sl),
	336	le16_to_cpu(scanres->beacon_interval),
	337	le16_to_cpu(scanres->capability),
	338	le16_to_cpu(scanres->rate),
e174961c	339	scanres->bssid,
2e4fd068 JM	340	le16_to_cpu(scanres->atim));
	341
	342	pos = scanres->sup_rates;
	343	for (i = 0; i < sizeof(scanres->sup_rates); i++) {
ff1d2767 JM	344	if (pos[i] == 0)
	345	break;
	346	p += sprintf(p, "<%02x>", pos[i]);
	347	}
	348	p += sprintf(p, " ");
	349
2e4fd068 JM	350	pos = scanres->ssid;
2e4fd068 JM	351	len = le16_to_cpu(scanres->ssid_len);
ff1d2767 JM	352	if (len > 32)
	353	len = 32;
	354	for (i = 0; i < len; i++) {
	355	unsigned char c = pos[i];
	356	if (c >= 32 && c < 127)
	357	p += sprintf(p, "%c", c);
	358	else
	359	p += sprintf(p, "<%02x>", c);
	360	}
	361	p += sprintf(p, "\n");
	362	}
	363	spin_unlock_bh(&local->lock);
	364
	365	total += (p - page);
	366	if (total >= off + count)
	367	*eof = 1;
	368
	369	if (total < off) {
	370	*eof = 1;
	371	return 0;
	372	}
	373
	374	len = total - off;
	375	if (len > (p - page))
	376	len = p - page;
	377	*start = p - len;
	378	if (len > count)
	379	len = count;
	380
	381	return len;
	382	}
	383	#endif /* PRISM2_NO_STATION_MODES */
	384
	385
	386	void hostap_init_proc(local_info_t *local)
	387	{
	388	local->proc = NULL;
	389
	390	if (hostap_proc == NULL) {
	391	printk(KERN_WARNING "%s: hostap proc directory not created\n",
	392	local->dev->name);
	393	return;
	394	}
	395
	396	local->proc = proc_mkdir(local->ddev->name, hostap_proc);
	397	if (local->proc == NULL) {
	398	printk(KERN_INFO "/proc/net/hostap/%s creation failed\n",
	399	local->ddev->name);
	400	return;
	401	}
	402
	403	#ifndef PRISM2_NO_PROCFS_DEBUG
	404	create_proc_read_entry("debug", 0, local->proc,
	405	prism2_debug_proc_read, local);
	406	#endif /* PRISM2_NO_PROCFS_DEBUG */
	407	create_proc_read_entry("stats", 0, local->proc,
	408	prism2_stats_proc_read, local);
	409	create_proc_read_entry("wds", 0, local->proc,
	410	prism2_wds_proc_read, local);
	411	create_proc_read_entry("pda", 0, local->proc,
	412	prism2_pda_proc_read, local);
	413	create_proc_read_entry("aux_dump", 0, local->proc,
	414	prism2_aux_dump_proc_read, local);
	415	create_proc_read_entry("bss_list", 0, local->proc,
416	prism2_bss_list_proc_read, local);
417	create_proc_read_entry("crypt", 0, local->proc,
418	prism2_crypt_proc_read, local);
419	#ifdef PRISM2_IO_DEBUG
420	create_proc_read_entry("io_debug", 0, local->proc,
421	prism2_io_debug_proc_read, local);
422	#endif /* PRISM2_IO_DEBUG */
423	#ifndef PRISM2_NO_STATION_MODES
424	create_proc_read_entry("scan_results", 0, local->proc,
425	prism2_scan_results_proc_read, local);
426	#endif /* PRISM2_NO_STATION_MODES */
427	}
428
429
430	void hostap_remove_proc(local_info_t *local)
431	{
432	if (local->proc != NULL) {
433	#ifndef PRISM2_NO_STATION_MODES
434	remove_proc_entry("scan_results", local->proc);
435	#endif /* PRISM2_NO_STATION_MODES */
436	#ifdef PRISM2_IO_DEBUG
437	remove_proc_entry("io_debug", local->proc);
438	#endif /* PRISM2_IO_DEBUG */
439	remove_proc_entry("pda", local->proc);
440	remove_proc_entry("aux_dump", local->proc);
441	remove_proc_entry("wds", local->proc);
442	remove_proc_entry("stats", local->proc);
443	remove_proc_entry("bss_list", local->proc);
444	remove_proc_entry("crypt", local->proc);
445	#ifndef PRISM2_NO_PROCFS_DEBUG
446	remove_proc_entry("debug", local->proc);
447	#endif /* PRISM2_NO_PROCFS_DEBUG */
448	if (hostap_proc != NULL)
449	remove_proc_entry(local->proc->name, hostap_proc);
450	}
451	}
452
453
454	EXPORT_SYMBOL(hostap_init_proc);
455	EXPORT_SYMBOL(hostap_remove_proc);