[mirror_ubuntu-bionic-kernel.git] / drivers / net / wireless / intersil / hostap / hostap_proc.c

// SPDX-License-Identifier: GPL-2.0
/* /proc routines for Host AP driver */

#include <linux/types.h>
#include <linux/proc_fs.h>
#include <linux/export.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_show(struct seq_file *m, void *v)
{
	local_info_t *local = m->private;
	int i;

	seq_printf(m, "next_txfid=%d next_alloc=%d\n",
		   local->next_txfid, local->next_alloc);
	for (i = 0; i < PRISM2_TXFID_COUNT; i++)
		seq_printf(m, "FID: tx=%04X intransmit=%04X\n",
			   local->txfid[i], local->intransmitfid[i]);
	seq_printf(m, "FW TX rate control: %d\n", local->fw_tx_rate_control);
	seq_printf(m, "beacon_int=%d\n", local->beacon_int);
	seq_printf(m, "dtim_period=%d\n", local->dtim_period);
	seq_printf(m, "wds_max_connections=%d\n", local->wds_max_connections);
	seq_printf(m, "dev_enabled=%d\n", local->dev_enabled);
	seq_printf(m, "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) {
			seq_printf(m, "crypt[%d]=%s\n", i,
				   local->crypt_info.crypt[i]->ops->name);
		}
	}
	seq_printf(m, "pri_only=%d\n", local->pri_only);
	seq_printf(m, "pci=%d\n", local->func->hw_type == HOSTAP_HW_PCI);
	seq_printf(m, "sram_type=%d\n", local->sram_type);
	seq_printf(m, "no_pri=%d\n", local->no_pri);

	return 0;
}

static int prism2_debug_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, prism2_debug_proc_show, PDE_DATA(inode));
}

static const struct file_operations prism2_debug_proc_fops = {
	.open		= prism2_debug_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
};
#endif /* PRISM2_NO_PROCFS_DEBUG */


static int prism2_stats_proc_show(struct seq_file *m, void *v)
{
	local_info_t *local = m->private;
	struct comm_tallies_sums *sums = &local->comm_tallies;

	seq_printf(m, "TxUnicastFrames=%u\n", sums->tx_unicast_frames);
	seq_printf(m, "TxMulticastframes=%u\n", sums->tx_multicast_frames);
	seq_printf(m, "TxFragments=%u\n", sums->tx_fragments);
	seq_printf(m, "TxUnicastOctets=%u\n", sums->tx_unicast_octets);
	seq_printf(m, "TxMulticastOctets=%u\n", sums->tx_multicast_octets);
	seq_printf(m, "TxDeferredTransmissions=%u\n",
		   sums->tx_deferred_transmissions);
	seq_printf(m, "TxSingleRetryFrames=%u\n", sums->tx_single_retry_frames);
	seq_printf(m, "TxMultipleRetryFrames=%u\n",
		   sums->tx_multiple_retry_frames);
	seq_printf(m, "TxRetryLimitExceeded=%u\n",
		   sums->tx_retry_limit_exceeded);
	seq_printf(m, "TxDiscards=%u\n", sums->tx_discards);
	seq_printf(m, "RxUnicastFrames=%u\n", sums->rx_unicast_frames);
	seq_printf(m, "RxMulticastFrames=%u\n", sums->rx_multicast_frames);
	seq_printf(m, "RxFragments=%u\n", sums->rx_fragments);
	seq_printf(m, "RxUnicastOctets=%u\n", sums->rx_unicast_octets);
	seq_printf(m, "RxMulticastOctets=%u\n", sums->rx_multicast_octets);
	seq_printf(m, "RxFCSErrors=%u\n", sums->rx_fcs_errors);
	seq_printf(m, "RxDiscardsNoBuffer=%u\n", sums->rx_discards_no_buffer);
	seq_printf(m, "TxDiscardsWrongSA=%u\n", sums->tx_discards_wrong_sa);
	seq_printf(m, "RxDiscardsWEPUndecryptable=%u\n",
		   sums->rx_discards_wep_undecryptable);
	seq_printf(m, "RxMessageInMsgFragments=%u\n",
		   sums->rx_message_in_msg_fragments);
	seq_printf(m, "RxMessageInBadMsgFragments=%u\n",
		   sums->rx_message_in_bad_msg_fragments);
	/* FIX: this may grow too long for one page(?) */

	return 0;
}

static int prism2_stats_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, prism2_stats_proc_show, PDE_DATA(inode));
}

static const struct file_operations prism2_stats_proc_fops = {
	.open		= prism2_stats_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
};


static int prism2_wds_proc_show(struct seq_file *m, void *v)
{
	struct list_head *ptr = v;
	struct hostap_interface *iface;

	iface = list_entry(ptr, struct hostap_interface, list);
	if (iface->type == HOSTAP_INTERFACE_WDS)
		seq_printf(m, "%s\t%pM\n",
			   iface->dev->name, iface->u.wds.remote_addr);
	return 0;
}

static void *prism2_wds_proc_start(struct seq_file *m, loff_t *_pos)
{
	local_info_t *local = m->private;
	read_lock_bh(&local->iface_lock);
	return seq_list_start(&local->hostap_interfaces, *_pos);
}

static void *prism2_wds_proc_next(struct seq_file *m, void *v, loff_t *_pos)
{
	local_info_t *local = m->private;
	return seq_list_next(v, &local->hostap_interfaces, _pos);
}

static void prism2_wds_proc_stop(struct seq_file *m, void *v)
{
	local_info_t *local = m->private;
	read_unlock_bh(&local->iface_lock);
}

static const struct seq_operations prism2_wds_proc_seqops = {
	.start	= prism2_wds_proc_start,
	.next	= prism2_wds_proc_next,
	.stop	= prism2_wds_proc_stop,
	.show	= prism2_wds_proc_show,
};

static int prism2_wds_proc_open(struct inode *inode, struct file *file)
{
	int ret = seq_open(file, &prism2_wds_proc_seqops);
	if (ret == 0) {
		struct seq_file *m = file->private_data;
		m->private = PDE_DATA(inode);
	}
	return ret;
}

static const struct file_operations prism2_wds_proc_fops = {
	.open		= prism2_wds_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= seq_release,
};


static int prism2_bss_list_proc_show(struct seq_file *m, void *v)
{
	local_info_t *local = m->private;
	struct list_head *ptr = v;
	struct hostap_bss_info *bss;

	if (ptr == &local->bss_list) {
		seq_printf(m, "#BSSID\tlast_update\tcount\tcapab_info\tSSID(txt)\t"
			   "SSID(hex)\tWPA IE\n");
		return 0;
	}

	bss = list_entry(ptr, struct hostap_bss_info, list);
	seq_printf(m, "%pM\t%lu\t%u\t0x%x\t",
		   bss->bssid, bss->last_update,
		   bss->count, bss->capab_info);

	seq_printf(m, "%*pE", (int)bss->ssid_len, bss->ssid);

	seq_putc(m, '\t');
	seq_printf(m, "%*phN", (int)bss->ssid_len, bss->ssid);
	seq_putc(m, '\t');
	seq_printf(m, "%*phN", (int)bss->wpa_ie_len, bss->wpa_ie);
	seq_putc(m, '\n');
	return 0;
}

static void *prism2_bss_list_proc_start(struct seq_file *m, loff_t *_pos)
{
	local_info_t *local = m->private;
	spin_lock_bh(&local->lock);
	return seq_list_start_head(&local->bss_list, *_pos);
}

static void *prism2_bss_list_proc_next(struct seq_file *m, void *v, loff_t *_pos)
{
	local_info_t *local = m->private;
	return seq_list_next(v, &local->bss_list, _pos);
}

static void prism2_bss_list_proc_stop(struct seq_file *m, void *v)
{
	local_info_t *local = m->private;
	spin_unlock_bh(&local->lock);
}

static const struct seq_operations prism2_bss_list_proc_seqops = {
	.start	= prism2_bss_list_proc_start,
	.next	= prism2_bss_list_proc_next,
	.stop	= prism2_bss_list_proc_stop,
	.show	= prism2_bss_list_proc_show,
};

static int prism2_bss_list_proc_open(struct inode *inode, struct file *file)
{
	int ret = seq_open(file, &prism2_bss_list_proc_seqops);
	if (ret == 0) {
		struct seq_file *m = file->private_data;
		m->private = PDE_DATA(inode);
	}
	return ret;
}

static const struct file_operations prism2_bss_list_proc_fops = {
	.open		= prism2_bss_list_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= seq_release,
};


static int prism2_crypt_proc_show(struct seq_file *m, void *v)
{
	local_info_t *local = m->private;
	int i;

	seq_printf(m, "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) {
			local->crypt_info.crypt[i]->ops->print_stats(
				m, local->crypt_info.crypt[i]->priv);
		}
	}
	return 0;
}

static int prism2_crypt_proc_open(struct inode *inode, struct file *file)
{
	return single_open(file, prism2_crypt_proc_show, PDE_DATA(inode));
}

static const struct file_operations prism2_crypt_proc_fops = {
	.open		= prism2_crypt_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= single_release,
};


static ssize_t prism2_pda_proc_read(struct file *file, char __user *buf,
				    size_t count, loff_t *_pos)
{
	local_info_t *local = PDE_DATA(file_inode(file));
	size_t off;

	if (local->pda == NULL || *_pos >= PRISM2_PDA_SIZE)
		return 0;

	off = *_pos;
	if (count > PRISM2_PDA_SIZE - off)
		count = PRISM2_PDA_SIZE - off;
	if (copy_to_user(buf, local->pda + off, count) != 0)
		return -EFAULT;
	*_pos += count;
	return count;
}

static const struct file_operations prism2_pda_proc_fops = {
	.read		= prism2_pda_proc_read,
	.llseek		= generic_file_llseek,
};


static ssize_t prism2_aux_dump_proc_no_read(struct file *file, char __user *buf,
					    size_t bufsize, loff_t *_pos)
{
	return 0;
}

static const struct file_operations prism2_aux_dump_proc_fops = {
	.read		= prism2_aux_dump_proc_no_read,
};


#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_show(struct seq_file *m, void *v)
{
	local_info_t *local = m->private;
	unsigned long entry;
	int i, len;
	struct hfa384x_hostscan_result *scanres;
	u8 *p;

	if (v == SEQ_START_TOKEN) {
		seq_printf(m,
			   "CHID ANL SL BcnInt Capab Rate BSSID ATIM SupRates SSID\n");
		return 0;
	}

	entry = (unsigned long)v - 2;
	scanres = &local->last_scan_results[entry];

	seq_printf(m, "%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));

	p = scanres->sup_rates;
	for (i = 0; i < sizeof(scanres->sup_rates); i++) {
		if (p[i] == 0)
			break;
		seq_printf(m, "<%02x>", p[i]);
	}
	seq_putc(m, ' ');

	p = scanres->ssid;
	len = le16_to_cpu(scanres->ssid_len);
	if (len > 32)
		len = 32;
	for (i = 0; i < len; i++) {
		unsigned char c = p[i];
		if (c >= 32 && c < 127)
			seq_putc(m, c);
		else
			seq_printf(m, "<%02x>", c);
	}
	seq_putc(m, '\n');
	return 0;
}

static void *prism2_scan_results_proc_start(struct seq_file *m, loff_t *_pos)
{
	local_info_t *local = m->private;
	spin_lock_bh(&local->lock);

	/* We have a header (pos 0) + N results to show (pos 1...N) */
	if (*_pos > local->last_scan_results_count)
		return NULL;
	return (void *)(unsigned long)(*_pos + 1); /* 0 would be EOF */
}

static void *prism2_scan_results_proc_next(struct seq_file *m, void *v, loff_t *_pos)
{
	local_info_t *local = m->private;

	++*_pos;
	if (*_pos > local->last_scan_results_count)
		return NULL;
	return (void *)(unsigned long)(*_pos + 1); /* 0 would be EOF */
}

static void prism2_scan_results_proc_stop(struct seq_file *m, void *v)
{
	local_info_t *local = m->private;
	spin_unlock_bh(&local->lock);
}

static const struct seq_operations prism2_scan_results_proc_seqops = {
	.start	= prism2_scan_results_proc_start,
	.next	= prism2_scan_results_proc_next,
	.stop	= prism2_scan_results_proc_stop,
	.show	= prism2_scan_results_proc_show,
};

static int prism2_scan_results_proc_open(struct inode *inode, struct file *file)
{
	int ret = seq_open(file, &prism2_scan_results_proc_seqops);
	if (ret == 0) {
		struct seq_file *m = file->private_data;
		m->private = PDE_DATA(inode);
	}
	return ret;
}

static const struct file_operations prism2_scan_results_proc_fops = {
	.open		= prism2_scan_results_proc_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= seq_release,
};


#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
	proc_create_data("debug", 0, local->proc,
			 &prism2_debug_proc_fops, local);
#endif /* PRISM2_NO_PROCFS_DEBUG */
	proc_create_data("stats", 0, local->proc,
			 &prism2_stats_proc_fops, local);
	proc_create_data("wds", 0, local->proc,
			 &prism2_wds_proc_fops, local);
	proc_create_data("pda", 0, local->proc,
			 &prism2_pda_proc_fops, local);
	proc_create_data("aux_dump", 0, local->proc,
			 local->func->read_aux_fops ?: &prism2_aux_dump_proc_fops,
			 local);
	proc_create_data("bss_list", 0, local->proc,
			 &prism2_bss_list_proc_fops, local);
	proc_create_data("crypt", 0, local->proc,
			 &prism2_crypt_proc_fops, local);
#ifdef PRISM2_IO_DEBUG
	proc_create_data("io_debug", 0, local->proc,
			 &prism2_io_debug_proc_fops, local);
#endif /* PRISM2_IO_DEBUG */
#ifndef PRISM2_NO_STATION_MODES
	proc_create_data("scan_results", 0, local->proc,
			 &prism2_scan_results_proc_fops, local);
#endif /* PRISM2_NO_STATION_MODES */
}


void hostap_remove_proc(local_info_t *local)
{
	proc_remove(local->proc);
}


EXPORT_SYMBOL(hostap_init_proc);
EXPORT_SYMBOL(hostap_remove_proc);
Commit	Line	Data
b2441318	1	// SPDX-License-Identifier: GPL-2.0
ff1d2767 JM	2	/* /proc routines for Host AP driver */
ff1d2767 JM	3
5fad5a2e AB	4	#include <linux/types.h>
5fad5a2e AB	5	#include <linux/proc_fs.h>
ee40fa06	6	#include <linux/export.h>
274bfb8d	7	#include <net/lib80211.h>
5fad5a2e AB	8
	9	#include "hostap_wlan.h"
	10	#include "hostap.h"
	11
ff1d2767 JM	12	#define PROC_LIMIT (PAGE_SIZE - 80)
	13
	14
	15	#ifndef PRISM2_NO_PROCFS_DEBUG
6bbefe86	16	static int prism2_debug_proc_show(struct seq_file m, void v)
ff1d2767	17	{
6bbefe86	18	local_info_t *local = m->private;
ff1d2767 JM	19	int i;
ff1d2767 JM	20
6bbefe86 DH	21	seq_printf(m, "next_txfid=%d next_alloc=%d\n",
6bbefe86 DH	22	local->next_txfid, local->next_alloc);
ff1d2767	23	for (i = 0; i < PRISM2_TXFID_COUNT; i++)
6bbefe86 DH	24	seq_printf(m, "FID: tx=%04X intransmit=%04X\n",
	25	local->txfid[i], local->intransmitfid[i]);
	26	seq_printf(m, "FW TX rate control: %d\n", local->fw_tx_rate_control);
	27	seq_printf(m, "beacon_int=%d\n", local->beacon_int);
	28	seq_printf(m, "dtim_period=%d\n", local->dtim_period);
	29	seq_printf(m, "wds_max_connections=%d\n", local->wds_max_connections);
	30	seq_printf(m, "dev_enabled=%d\n", local->dev_enabled);
	31	seq_printf(m, "sw_tick_stuck=%d\n", local->sw_tick_stuck);
ff1d2767	32	for (i = 0; i < WEP_KEYS; i++) {
274bfb8d JL	33	if (local->crypt_info.crypt[i] &&
274bfb8d JL	34	local->crypt_info.crypt[i]->ops) {
6bbefe86 DH	35	seq_printf(m, "crypt[%d]=%s\n", i,
6bbefe86 DH	36	local->crypt_info.crypt[i]->ops->name);
ff1d2767 JM	37	}
ff1d2767 JM	38	}
6bbefe86 DH	39	seq_printf(m, "pri_only=%d\n", local->pri_only);
	40	seq_printf(m, "pci=%d\n", local->func->hw_type == HOSTAP_HW_PCI);
	41	seq_printf(m, "sram_type=%d\n", local->sram_type);
	42	seq_printf(m, "no_pri=%d\n", local->no_pri);
	43
	44	return 0;
	45	}
ff1d2767	46
6bbefe86 DH	47	static int prism2_debug_proc_open(struct inode inode, struct file file)
	48	{
	49	return single_open(file, prism2_debug_proc_show, PDE_DATA(inode));
ff1d2767	50	}
6bbefe86 DH	51
	52	static const struct file_operations prism2_debug_proc_fops = {
	53	.open = prism2_debug_proc_open,
	54	.read = seq_read,
	55	.llseek = seq_lseek,
bc3041f0	56	.release = single_release,
6bbefe86	57	};
ff1d2767 JM	58	#endif /* PRISM2_NO_PROCFS_DEBUG */
	59
	60
6bbefe86	61	static int prism2_stats_proc_show(struct seq_file m, void v)
ff1d2767	62	{
6bbefe86	63	local_info_t *local = m->private;
2c208890	64	struct comm_tallies_sums *sums = &local->comm_tallies;
ff1d2767	65
6bbefe86 DH	66	seq_printf(m, "TxUnicastFrames=%u\n", sums->tx_unicast_frames);
	67	seq_printf(m, "TxMulticastframes=%u\n", sums->tx_multicast_frames);
	68	seq_printf(m, "TxFragments=%u\n", sums->tx_fragments);
	69	seq_printf(m, "TxUnicastOctets=%u\n", sums->tx_unicast_octets);
	70	seq_printf(m, "TxMulticastOctets=%u\n", sums->tx_multicast_octets);
	71	seq_printf(m, "TxDeferredTransmissions=%u\n",
	72	sums->tx_deferred_transmissions);
	73	seq_printf(m, "TxSingleRetryFrames=%u\n", sums->tx_single_retry_frames);
	74	seq_printf(m, "TxMultipleRetryFrames=%u\n",
	75	sums->tx_multiple_retry_frames);
	76	seq_printf(m, "TxRetryLimitExceeded=%u\n",
	77	sums->tx_retry_limit_exceeded);
	78	seq_printf(m, "TxDiscards=%u\n", sums->tx_discards);
	79	seq_printf(m, "RxUnicastFrames=%u\n", sums->rx_unicast_frames);
	80	seq_printf(m, "RxMulticastFrames=%u\n", sums->rx_multicast_frames);
	81	seq_printf(m, "RxFragments=%u\n", sums->rx_fragments);
	82	seq_printf(m, "RxUnicastOctets=%u\n", sums->rx_unicast_octets);
	83	seq_printf(m, "RxMulticastOctets=%u\n", sums->rx_multicast_octets);
	84	seq_printf(m, "RxFCSErrors=%u\n", sums->rx_fcs_errors);
	85	seq_printf(m, "RxDiscardsNoBuffer=%u\n", sums->rx_discards_no_buffer);
	86	seq_printf(m, "TxDiscardsWrongSA=%u\n", sums->tx_discards_wrong_sa);
	87	seq_printf(m, "RxDiscardsWEPUndecryptable=%u\n",
	88	sums->rx_discards_wep_undecryptable);
	89	seq_printf(m, "RxMessageInMsgFragments=%u\n",
	90	sums->rx_message_in_msg_fragments);
	91	seq_printf(m, "RxMessageInBadMsgFragments=%u\n",
	92	sums->rx_message_in_bad_msg_fragments);
ff1d2767 JM	93	/* FIX: this may grow too long for one page(?) */
ff1d2767 JM	94
6bbefe86 DH	95	return 0;
	96	}
	97
	98	static int prism2_stats_proc_open(struct inode inode, struct file file)
	99	{
	100	return single_open(file, prism2_stats_proc_show, PDE_DATA(inode));
ff1d2767 JM	101	}
ff1d2767 JM	102
6bbefe86 DH	103	static const struct file_operations prism2_stats_proc_fops = {
	104	.open = prism2_stats_proc_open,
	105	.read = seq_read,
	106	.llseek = seq_lseek,
bc3041f0	107	.release = single_release,
6bbefe86 DH	108	};
6bbefe86 DH	109
ff1d2767	110
6bbefe86	111	static int prism2_wds_proc_show(struct seq_file m, void v)
ff1d2767	112	{
6bbefe86	113	struct list_head *ptr = v;
ff1d2767 JM	114	struct hostap_interface *iface;
ff1d2767 JM	115
6bbefe86 DH	116	iface = list_entry(ptr, struct hostap_interface, list);
	117	if (iface->type == HOSTAP_INTERFACE_WDS)
	118	seq_printf(m, "%s\t%pM\n",
	119	iface->dev->name, iface->u.wds.remote_addr);
	120	return 0;
	121	}
ff1d2767	122
6bbefe86 DH	123	static void prism2_wds_proc_start(struct seq_file m, loff_t *_pos)
	124	{
	125	local_info_t *local = m->private;
ff1d2767	126	read_lock_bh(&local->iface_lock);
6bbefe86 DH	127	return seq_list_start(&local->hostap_interfaces, *_pos);
6bbefe86 DH	128	}
ff1d2767	129
6bbefe86 DH	130	static void prism2_wds_proc_next(struct seq_file m, void v, loff_t _pos)
	131	{
	132	local_info_t *local = m->private;
	133	return seq_list_next(v, &local->hostap_interfaces, _pos);
	134	}
	135
	136	static void prism2_wds_proc_stop(struct seq_file m, void v)
	137	{
	138	local_info_t *local = m->private;
	139	read_unlock_bh(&local->iface_lock);
	140	}
ff1d2767	141
6bbefe86 DH	142	static const struct seq_operations prism2_wds_proc_seqops = {
	143	.start = prism2_wds_proc_start,
	144	.next = prism2_wds_proc_next,
	145	.stop = prism2_wds_proc_stop,
	146	.show = prism2_wds_proc_show,
	147	};
ff1d2767	148
6bbefe86 DH	149	static int prism2_wds_proc_open(struct inode inode, struct file file)
	150	{
	151	int ret = seq_open(file, &prism2_wds_proc_seqops);
	152	if (ret == 0) {
	153	struct seq_file *m = file->private_data;
	154	m->private = PDE_DATA(inode);
	155	}
	156	return ret;
ff1d2767 JM	157	}
ff1d2767 JM	158
6bbefe86 DH	159	static const struct file_operations prism2_wds_proc_fops = {
	160	.open = prism2_wds_proc_open,
	161	.read = seq_read,
	162	.llseek = seq_lseek,
	163	.release = seq_release,
	164	};
ff1d2767	165
6bbefe86 DH	166
6bbefe86 DH	167	static int prism2_bss_list_proc_show(struct seq_file m, void v)
ff1d2767	168	{
6bbefe86 DH	169	local_info_t *local = m->private;
6bbefe86 DH	170	struct list_head *ptr = v;
ff1d2767	171	struct hostap_bss_info *bss;
ff1d2767	172
6bbefe86 DH	173	if (ptr == &local->bss_list) {
	174	seq_printf(m, "#BSSID\tlast_update\tcount\tcapab_info\tSSID(txt)\t"
	175	"SSID(hex)\tWPA IE\n");
ff1d2767 JM	176	return 0;
	177	}
	178
6bbefe86 DH	179	bss = list_entry(ptr, struct hostap_bss_info, list);
	180	seq_printf(m, "%pM\t%lu\t%u\t0x%x\t",
	181	bss->bssid, bss->last_update,
	182	bss->count, bss->capab_info);
	183
e5ead669	184	seq_printf(m, "%*pE", (int)bss->ssid_len, bss->ssid);
6bbefe86 DH	185
6bbefe86 DH	186	seq_putc(m, '\t');
62c5afb8	187	seq_printf(m, "%*phN", (int)bss->ssid_len, bss->ssid);
6bbefe86	188	seq_putc(m, '\t');
62c5afb8	189	seq_printf(m, "%*phN", (int)bss->wpa_ie_len, bss->wpa_ie);
6bbefe86 DH	190	seq_putc(m, '\n');
	191	return 0;
	192	}
	193
	194	static void prism2_bss_list_proc_start(struct seq_file m, loff_t *_pos)
	195	{
	196	local_info_t *local = m->private;
ff1d2767	197	spin_lock_bh(&local->lock);
6bbefe86 DH	198	return seq_list_start_head(&local->bss_list, *_pos);
6bbefe86 DH	199	}
ff1d2767	200
6bbefe86 DH	201	static void prism2_bss_list_proc_next(struct seq_file m, void v, loff_t _pos)
	202	{
	203	local_info_t *local = m->private;
	204	return seq_list_next(v, &local->bss_list, _pos);
	205	}
	206
	207	static void prism2_bss_list_proc_stop(struct seq_file m, void v)
	208	{
	209	local_info_t *local = m->private;
	210	spin_unlock_bh(&local->lock);
	211	}
ff1d2767	212
6bbefe86 DH	213	static const struct seq_operations prism2_bss_list_proc_seqops = {
	214	.start = prism2_bss_list_proc_start,
	215	.next = prism2_bss_list_proc_next,
	216	.stop = prism2_bss_list_proc_stop,
	217	.show = prism2_bss_list_proc_show,
	218	};
ff1d2767	219
6bbefe86 DH	220	static int prism2_bss_list_proc_open(struct inode inode, struct file file)
	221	{
	222	int ret = seq_open(file, &prism2_bss_list_proc_seqops);
	223	if (ret == 0) {
	224	struct seq_file *m = file->private_data;
	225	m->private = PDE_DATA(inode);
	226	}
	227	return ret;
ff1d2767 JM	228	}
ff1d2767 JM	229
6bbefe86 DH	230	static const struct file_operations prism2_bss_list_proc_fops = {
	231	.open = prism2_bss_list_proc_open,
	232	.read = seq_read,
	233	.llseek = seq_lseek,
	234	.release = seq_release,
	235	};
ff1d2767	236
6bbefe86 DH	237
6bbefe86 DH	238	static int prism2_crypt_proc_show(struct seq_file m, void v)
ff1d2767	239	{
6bbefe86	240	local_info_t *local = m->private;
ff1d2767 JM	241	int i;
ff1d2767 JM	242
6bbefe86	243	seq_printf(m, "tx_keyidx=%d\n", local->crypt_info.tx_keyidx);
ff1d2767	244	for (i = 0; i < WEP_KEYS; i++) {
274bfb8d JL	245	if (local->crypt_info.crypt[i] &&
	246	local->crypt_info.crypt[i]->ops &&
	247	local->crypt_info.crypt[i]->ops->print_stats) {
6bbefe86 DH	248	local->crypt_info.crypt[i]->ops->print_stats(
6bbefe86 DH	249	m, local->crypt_info.crypt[i]->priv);
ff1d2767 JM	250	}
ff1d2767 JM	251	}
6bbefe86 DH	252	return 0;
6bbefe86 DH	253	}
ff1d2767	254
6bbefe86 DH	255	static int prism2_crypt_proc_open(struct inode inode, struct file file)
	256	{
	257	return single_open(file, prism2_crypt_proc_show, PDE_DATA(inode));
ff1d2767 JM	258	}
ff1d2767 JM	259
6bbefe86 DH	260	static const struct file_operations prism2_crypt_proc_fops = {
	261	.open = prism2_crypt_proc_open,
	262	.read = seq_read,
	263	.llseek = seq_lseek,
bc3041f0	264	.release = single_release,
6bbefe86 DH	265	};
6bbefe86 DH	266
ff1d2767	267
6bbefe86 DH	268	static ssize_t prism2_pda_proc_read(struct file file, char __user buf,
6bbefe86 DH	269	size_t count, loff_t *_pos)
ff1d2767	270	{
6bbefe86 DH	271	local_info_t *local = PDE_DATA(file_inode(file));
6bbefe86 DH	272	size_t off;
ff1d2767	273
6bbefe86	274	if (local->pda == NULL \|\| *_pos >= PRISM2_PDA_SIZE)
ff1d2767	275	return 0;
ff1d2767	276
6bbefe86 DH	277	off = *_pos;
6bbefe86 DH	278	if (count > PRISM2_PDA_SIZE - off)
ff1d2767	279	count = PRISM2_PDA_SIZE - off;
6bbefe86 DH	280	if (copy_to_user(buf, local->pda + off, count) != 0)
	281	return -EFAULT;
	282	*_pos += count;
ff1d2767 JM	283	return count;
	284	}
	285
6bbefe86 DH	286	static const struct file_operations prism2_pda_proc_fops = {
	287	.read = prism2_pda_proc_read,
	288	.llseek = generic_file_llseek,
	289	};
ff1d2767	290
ff1d2767	291
6bbefe86 DH	292	static ssize_t prism2_aux_dump_proc_no_read(struct file file, char __user buf,
	293	size_t bufsize, loff_t *_pos)
	294	{
	295	return 0;
ff1d2767 JM	296	}
ff1d2767 JM	297
6bbefe86 DH	298	static const struct file_operations prism2_aux_dump_proc_fops = {
	299	.read = prism2_aux_dump_proc_no_read,
	300	};
	301
ff1d2767 JM	302
	303	#ifdef PRISM2_IO_DEBUG
	304	static int prism2_io_debug_proc_read(char page, char *start, off_t off,
	305	int count, int eof, void data)
	306	{
	307	local_info_t local = (local_info_t ) data;
	308	int head = local->io_debug_head;
	309	int start_bytes, left, copy, copied;
	310
	311	if (off + count > PRISM2_IO_DEBUG_SIZE * 4) {
	312	*eof = 1;
	313	if (off >= PRISM2_IO_DEBUG_SIZE * 4)
	314	return 0;
	315	count = PRISM2_IO_DEBUG_SIZE * 4 - off;
	316	}
	317
	318	copied = 0;
	319	start_bytes = (PRISM2_IO_DEBUG_SIZE - head) * 4;
	320	left = count;
	321
	322	if (off < start_bytes) {
	323	copy = start_bytes - off;
	324	if (copy > count)
	325	copy = count;
	326	memcpy(page, ((u8 *) &local->io_debug[head]) + off, copy);
	327	left -= copy;
	328	if (left > 0)
	329	memcpy(&page[copy], local->io_debug, left);
	330	} else {
	331	memcpy(page, ((u8 *) local->io_debug) + (off - start_bytes),
	332	left);
	333	}
	334
	335	*start = page;
	336
	337	return count;
	338	}
	339	#endif /* PRISM2_IO_DEBUG */
	340
	341
	342	#ifndef PRISM2_NO_STATION_MODES
6bbefe86	343	static int prism2_scan_results_proc_show(struct seq_file m, void v)
ff1d2767	344	{
6bbefe86 DH	345	local_info_t *local = m->private;
	346	unsigned long entry;
	347	int i, len;
2e4fd068	348	struct hfa384x_hostscan_result *scanres;
6bbefe86	349	u8 *p;
ff1d2767	350
6bbefe86 DH	351	if (v == SEQ_START_TOKEN) {
	352	seq_printf(m,
	353	"CHID ANL SL BcnInt Capab Rate BSSID ATIM SupRates SSID\n");
	354	return 0;
	355	}
	356
	357	entry = (unsigned long)v - 2;
	358	scanres = &local->last_scan_results[entry];
	359
	360	seq_printf(m, "%d %d %d %d 0x%02x %d %pM %d ",
	361	le16_to_cpu(scanres->chid),
	362	(s16) le16_to_cpu(scanres->anl),
	363	(s16) le16_to_cpu(scanres->sl),
	364	le16_to_cpu(scanres->beacon_interval),
	365	le16_to_cpu(scanres->capability),
	366	le16_to_cpu(scanres->rate),
	367	scanres->bssid,
	368	le16_to_cpu(scanres->atim));
	369
	370	p = scanres->sup_rates;
	371	for (i = 0; i < sizeof(scanres->sup_rates); i++) {
	372	if (p[i] == 0)
	373	break;
	374	seq_printf(m, "<%02x>", p[i]);
	375	}
	376	seq_putc(m, ' ');
	377
	378	p = scanres->ssid;
	379	len = le16_to_cpu(scanres->ssid_len);
	380	if (len > 32)
	381	len = 32;
	382	for (i = 0; i < len; i++) {
	383	unsigned char c = p[i];
	384	if (c >= 32 && c < 127)
	385	seq_putc(m, c);
	386	else
	387	seq_printf(m, "<%02x>", c);
	388	}
	389	seq_putc(m, '\n');
	390	return 0;
	391	}
ff1d2767	392
6bbefe86 DH	393	static void prism2_scan_results_proc_start(struct seq_file m, loff_t *_pos)
	394	{
	395	local_info_t *local = m->private;
ff1d2767	396	spin_lock_bh(&local->lock);
ff1d2767	397
6bbefe86 DH	398	/* We have a header (pos 0) + N results to show (pos 1...N) */
	399	if (*_pos > local->last_scan_results_count)
	400	return NULL;
	401	return (void )(unsigned long)(_pos + 1); /* 0 would be EOF */
	402	}
ff1d2767	403
6bbefe86 DH	404	static void prism2_scan_results_proc_next(struct seq_file m, void v, loff_t _pos)
	405	{
	406	local_info_t *local = m->private;
	407
	408	++*_pos;
	409	if (*_pos > local->last_scan_results_count)
	410	return NULL;
	411	return (void )(unsigned long)(_pos + 1); /* 0 would be EOF */
	412	}
	413
	414	static void prism2_scan_results_proc_stop(struct seq_file m, void v)
	415	{
	416	local_info_t *local = m->private;
ff1d2767	417	spin_unlock_bh(&local->lock);
6bbefe86	418	}
ff1d2767	419
6bbefe86 DH	420	static const struct seq_operations prism2_scan_results_proc_seqops = {
	421	.start = prism2_scan_results_proc_start,
	422	.next = prism2_scan_results_proc_next,
	423	.stop = prism2_scan_results_proc_stop,
	424	.show = prism2_scan_results_proc_show,
	425	};
ff1d2767	426
6bbefe86 DH	427	static int prism2_scan_results_proc_open(struct inode inode, struct file file)
	428	{
	429	int ret = seq_open(file, &prism2_scan_results_proc_seqops);
	430	if (ret == 0) {
	431	struct seq_file *m = file->private_data;
	432	m->private = PDE_DATA(inode);
ff1d2767	433	}
6bbefe86 DH	434	return ret;
	435	}
	436
	437	static const struct file_operations prism2_scan_results_proc_fops = {
	438	.open = prism2_scan_results_proc_open,
	439	.read = seq_read,
	440	.llseek = seq_lseek,
	441	.release = seq_release,
	442	};
ff1d2767	443
ff1d2767	444
ff1d2767 JM	445	#endif /* PRISM2_NO_STATION_MODES */
	446
	447
	448	void hostap_init_proc(local_info_t *local)
	449	{
	450	local->proc = NULL;
	451
	452	if (hostap_proc == NULL) {
	453	printk(KERN_WARNING "%s: hostap proc directory not created\n",
	454	local->dev->name);
	455	return;
	456	}
	457
	458	local->proc = proc_mkdir(local->ddev->name, hostap_proc);
	459	if (local->proc == NULL) {
	460	printk(KERN_INFO "/proc/net/hostap/%s creation failed\n",
	461	local->ddev->name);
	462	return;
	463	}
	464
	465	#ifndef PRISM2_NO_PROCFS_DEBUG
6bbefe86 DH	466	proc_create_data("debug", 0, local->proc,
6bbefe86 DH	467	&prism2_debug_proc_fops, local);
ff1d2767	468	#endif /* PRISM2_NO_PROCFS_DEBUG */
6bbefe86 DH	469	proc_create_data("stats", 0, local->proc,
	470	&prism2_stats_proc_fops, local);
	471	proc_create_data("wds", 0, local->proc,
	472	&prism2_wds_proc_fops, local);
	473	proc_create_data("pda", 0, local->proc,
	474	&prism2_pda_proc_fops, local);
	475	proc_create_data("aux_dump", 0, local->proc,
	476	local->func->read_aux_fops ?: &prism2_aux_dump_proc_fops,
	477	local);
	478	proc_create_data("bss_list", 0, local->proc,
	479	&prism2_bss_list_proc_fops, local);
	480	proc_create_data("crypt", 0, local->proc,
	481	&prism2_crypt_proc_fops, local);
ff1d2767	482	#ifdef PRISM2_IO_DEBUG
6bbefe86 DH	483	proc_create_data("io_debug", 0, local->proc,
6bbefe86 DH	484	&prism2_io_debug_proc_fops, local);
ff1d2767 JM	485	#endif /* PRISM2_IO_DEBUG */
ff1d2767 JM	486	#ifndef PRISM2_NO_STATION_MODES
6bbefe86 DH	487	proc_create_data("scan_results", 0, local->proc,
6bbefe86 DH	488	&prism2_scan_results_proc_fops, local);
ff1d2767 JM	489	#endif /* PRISM2_NO_STATION_MODES */
	490	}
	491
	492
	493	void hostap_remove_proc(local_info_t *local)
	494	{
4885c873	495	proc_remove(local->proc);
ff1d2767 JM	496	}
	497
	498
	499	EXPORT_SYMBOL(hostap_init_proc);
	500	EXPORT_SYMBOL(hostap_remove_proc);