mirror of
https://github.com/torvalds/linux.git
synced 2024-10-31 17:21:49 +00:00
5c01d56693
Conflicts: Documentation/feature-removal-schedule.txt drivers/net/wireless/ath/ath5k/phy.c drivers/net/wireless/wl12xx/wl1271_main.c
439 lines
12 KiB
C
439 lines
12 KiB
C
/*
|
|
* Copyright (c) 2006 Jiri Benc <jbenc@suse.cz>
|
|
* Copyright 2007 Johannes Berg <johannes@sipsolutions.net>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/device.h>
|
|
#include <linux/if.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/netdevice.h>
|
|
#include <linux/rtnetlink.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/notifier.h>
|
|
#include <net/mac80211.h>
|
|
#include <net/cfg80211.h>
|
|
#include "ieee80211_i.h"
|
|
#include "rate.h"
|
|
#include "debugfs.h"
|
|
#include "debugfs_netdev.h"
|
|
|
|
static ssize_t ieee80211_if_read(
|
|
struct ieee80211_sub_if_data *sdata,
|
|
char __user *userbuf,
|
|
size_t count, loff_t *ppos,
|
|
ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int))
|
|
{
|
|
char buf[70];
|
|
ssize_t ret = -EINVAL;
|
|
|
|
read_lock(&dev_base_lock);
|
|
if (sdata->dev->reg_state == NETREG_REGISTERED)
|
|
ret = (*format)(sdata, buf, sizeof(buf));
|
|
read_unlock(&dev_base_lock);
|
|
|
|
if (ret != -EINVAL)
|
|
ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static ssize_t ieee80211_if_write(
|
|
struct ieee80211_sub_if_data *sdata,
|
|
const char __user *userbuf,
|
|
size_t count, loff_t *ppos,
|
|
ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int))
|
|
{
|
|
u8 *buf;
|
|
ssize_t ret;
|
|
|
|
buf = kmalloc(count, GFP_KERNEL);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
ret = -EFAULT;
|
|
if (copy_from_user(buf, userbuf, count))
|
|
goto freebuf;
|
|
|
|
ret = -ENODEV;
|
|
rtnl_lock();
|
|
if (sdata->dev->reg_state == NETREG_REGISTERED)
|
|
ret = (*write)(sdata, buf, count);
|
|
rtnl_unlock();
|
|
|
|
freebuf:
|
|
kfree(buf);
|
|
return ret;
|
|
}
|
|
|
|
#define IEEE80211_IF_FMT(name, field, format_string) \
|
|
static ssize_t ieee80211_if_fmt_##name( \
|
|
const struct ieee80211_sub_if_data *sdata, char *buf, \
|
|
int buflen) \
|
|
{ \
|
|
return scnprintf(buf, buflen, format_string, sdata->field); \
|
|
}
|
|
#define IEEE80211_IF_FMT_DEC(name, field) \
|
|
IEEE80211_IF_FMT(name, field, "%d\n")
|
|
#define IEEE80211_IF_FMT_HEX(name, field) \
|
|
IEEE80211_IF_FMT(name, field, "%#x\n")
|
|
#define IEEE80211_IF_FMT_SIZE(name, field) \
|
|
IEEE80211_IF_FMT(name, field, "%zd\n")
|
|
|
|
#define IEEE80211_IF_FMT_ATOMIC(name, field) \
|
|
static ssize_t ieee80211_if_fmt_##name( \
|
|
const struct ieee80211_sub_if_data *sdata, \
|
|
char *buf, int buflen) \
|
|
{ \
|
|
return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\
|
|
}
|
|
|
|
#define IEEE80211_IF_FMT_MAC(name, field) \
|
|
static ssize_t ieee80211_if_fmt_##name( \
|
|
const struct ieee80211_sub_if_data *sdata, char *buf, \
|
|
int buflen) \
|
|
{ \
|
|
return scnprintf(buf, buflen, "%pM\n", sdata->field); \
|
|
}
|
|
|
|
#define IEEE80211_IF_FMT_DEC_DIV_16(name, field) \
|
|
static ssize_t ieee80211_if_fmt_##name( \
|
|
const struct ieee80211_sub_if_data *sdata, \
|
|
char *buf, int buflen) \
|
|
{ \
|
|
return scnprintf(buf, buflen, "%d\n", sdata->field / 16); \
|
|
}
|
|
|
|
#define __IEEE80211_IF_FILE(name, _write) \
|
|
static ssize_t ieee80211_if_read_##name(struct file *file, \
|
|
char __user *userbuf, \
|
|
size_t count, loff_t *ppos) \
|
|
{ \
|
|
return ieee80211_if_read(file->private_data, \
|
|
userbuf, count, ppos, \
|
|
ieee80211_if_fmt_##name); \
|
|
} \
|
|
static const struct file_operations name##_ops = { \
|
|
.read = ieee80211_if_read_##name, \
|
|
.write = (_write), \
|
|
.open = mac80211_open_file_generic, \
|
|
}
|
|
|
|
#define __IEEE80211_IF_FILE_W(name) \
|
|
static ssize_t ieee80211_if_write_##name(struct file *file, \
|
|
const char __user *userbuf, \
|
|
size_t count, loff_t *ppos) \
|
|
{ \
|
|
return ieee80211_if_write(file->private_data, userbuf, count, \
|
|
ppos, ieee80211_if_parse_##name); \
|
|
} \
|
|
__IEEE80211_IF_FILE(name, ieee80211_if_write_##name)
|
|
|
|
|
|
#define IEEE80211_IF_FILE(name, field, format) \
|
|
IEEE80211_IF_FMT_##format(name, field) \
|
|
__IEEE80211_IF_FILE(name, NULL)
|
|
|
|
/* common attributes */
|
|
IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
|
|
IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[IEEE80211_BAND_2GHZ],
|
|
HEX);
|
|
IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[IEEE80211_BAND_5GHZ],
|
|
HEX);
|
|
|
|
/* STA attributes */
|
|
IEEE80211_IF_FILE(bssid, u.mgd.bssid, MAC);
|
|
IEEE80211_IF_FILE(aid, u.mgd.aid, DEC);
|
|
IEEE80211_IF_FILE(last_beacon, u.mgd.last_beacon_signal, DEC);
|
|
IEEE80211_IF_FILE(ave_beacon, u.mgd.ave_beacon_signal, DEC_DIV_16);
|
|
|
|
static int ieee80211_set_smps(struct ieee80211_sub_if_data *sdata,
|
|
enum ieee80211_smps_mode smps_mode)
|
|
{
|
|
struct ieee80211_local *local = sdata->local;
|
|
int err;
|
|
|
|
if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_STATIC_SMPS) &&
|
|
smps_mode == IEEE80211_SMPS_STATIC)
|
|
return -EINVAL;
|
|
|
|
/* auto should be dynamic if in PS mode */
|
|
if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS) &&
|
|
(smps_mode == IEEE80211_SMPS_DYNAMIC ||
|
|
smps_mode == IEEE80211_SMPS_AUTOMATIC))
|
|
return -EINVAL;
|
|
|
|
/* supported only on managed interfaces for now */
|
|
if (sdata->vif.type != NL80211_IFTYPE_STATION)
|
|
return -EOPNOTSUPP;
|
|
|
|
mutex_lock(&local->iflist_mtx);
|
|
err = __ieee80211_request_smps(sdata, smps_mode);
|
|
mutex_unlock(&local->iflist_mtx);
|
|
|
|
return err;
|
|
}
|
|
|
|
static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
|
|
[IEEE80211_SMPS_AUTOMATIC] = "auto",
|
|
[IEEE80211_SMPS_OFF] = "off",
|
|
[IEEE80211_SMPS_STATIC] = "static",
|
|
[IEEE80211_SMPS_DYNAMIC] = "dynamic",
|
|
};
|
|
|
|
static ssize_t ieee80211_if_fmt_smps(const struct ieee80211_sub_if_data *sdata,
|
|
char *buf, int buflen)
|
|
{
|
|
if (sdata->vif.type != NL80211_IFTYPE_STATION)
|
|
return -EOPNOTSUPP;
|
|
|
|
return snprintf(buf, buflen, "request: %s\nused: %s\n",
|
|
smps_modes[sdata->u.mgd.req_smps],
|
|
smps_modes[sdata->u.mgd.ap_smps]);
|
|
}
|
|
|
|
static ssize_t ieee80211_if_parse_smps(struct ieee80211_sub_if_data *sdata,
|
|
const char *buf, int buflen)
|
|
{
|
|
enum ieee80211_smps_mode mode;
|
|
|
|
for (mode = 0; mode < IEEE80211_SMPS_NUM_MODES; mode++) {
|
|
if (strncmp(buf, smps_modes[mode], buflen) == 0) {
|
|
int err = ieee80211_set_smps(sdata, mode);
|
|
if (!err)
|
|
return buflen;
|
|
return err;
|
|
}
|
|
}
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
__IEEE80211_IF_FILE_W(smps);
|
|
|
|
/* AP attributes */
|
|
IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
|
|
IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
|
|
|
|
static ssize_t ieee80211_if_fmt_num_buffered_multicast(
|
|
const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
|
|
{
|
|
return scnprintf(buf, buflen, "%u\n",
|
|
skb_queue_len(&sdata->u.ap.ps_bc_buf));
|
|
}
|
|
__IEEE80211_IF_FILE(num_buffered_multicast, NULL);
|
|
|
|
/* WDS attributes */
|
|
IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
|
|
|
|
#ifdef CONFIG_MAC80211_MESH
|
|
/* Mesh stats attributes */
|
|
IEEE80211_IF_FILE(fwded_mcast, u.mesh.mshstats.fwded_mcast, DEC);
|
|
IEEE80211_IF_FILE(fwded_unicast, u.mesh.mshstats.fwded_unicast, DEC);
|
|
IEEE80211_IF_FILE(fwded_frames, u.mesh.mshstats.fwded_frames, DEC);
|
|
IEEE80211_IF_FILE(dropped_frames_ttl, u.mesh.mshstats.dropped_frames_ttl, DEC);
|
|
IEEE80211_IF_FILE(dropped_frames_no_route,
|
|
u.mesh.mshstats.dropped_frames_no_route, DEC);
|
|
IEEE80211_IF_FILE(estab_plinks, u.mesh.mshstats.estab_plinks, ATOMIC);
|
|
|
|
/* Mesh parameters */
|
|
IEEE80211_IF_FILE(dot11MeshMaxRetries,
|
|
u.mesh.mshcfg.dot11MeshMaxRetries, DEC);
|
|
IEEE80211_IF_FILE(dot11MeshRetryTimeout,
|
|
u.mesh.mshcfg.dot11MeshRetryTimeout, DEC);
|
|
IEEE80211_IF_FILE(dot11MeshConfirmTimeout,
|
|
u.mesh.mshcfg.dot11MeshConfirmTimeout, DEC);
|
|
IEEE80211_IF_FILE(dot11MeshHoldingTimeout,
|
|
u.mesh.mshcfg.dot11MeshHoldingTimeout, DEC);
|
|
IEEE80211_IF_FILE(dot11MeshTTL, u.mesh.mshcfg.dot11MeshTTL, DEC);
|
|
IEEE80211_IF_FILE(auto_open_plinks, u.mesh.mshcfg.auto_open_plinks, DEC);
|
|
IEEE80211_IF_FILE(dot11MeshMaxPeerLinks,
|
|
u.mesh.mshcfg.dot11MeshMaxPeerLinks, DEC);
|
|
IEEE80211_IF_FILE(dot11MeshHWMPactivePathTimeout,
|
|
u.mesh.mshcfg.dot11MeshHWMPactivePathTimeout, DEC);
|
|
IEEE80211_IF_FILE(dot11MeshHWMPpreqMinInterval,
|
|
u.mesh.mshcfg.dot11MeshHWMPpreqMinInterval, DEC);
|
|
IEEE80211_IF_FILE(dot11MeshHWMPnetDiameterTraversalTime,
|
|
u.mesh.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC);
|
|
IEEE80211_IF_FILE(dot11MeshHWMPmaxPREQretries,
|
|
u.mesh.mshcfg.dot11MeshHWMPmaxPREQretries, DEC);
|
|
IEEE80211_IF_FILE(path_refresh_time,
|
|
u.mesh.mshcfg.path_refresh_time, DEC);
|
|
IEEE80211_IF_FILE(min_discovery_timeout,
|
|
u.mesh.mshcfg.min_discovery_timeout, DEC);
|
|
IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
|
|
u.mesh.mshcfg.dot11MeshHWMPRootMode, DEC);
|
|
#endif
|
|
|
|
|
|
#define DEBUGFS_ADD(name) \
|
|
debugfs_create_file(#name, 0400, sdata->debugfs.dir, \
|
|
sdata, &name##_ops);
|
|
|
|
#define DEBUGFS_ADD_MODE(name, mode) \
|
|
debugfs_create_file(#name, mode, sdata->debugfs.dir, \
|
|
sdata, &name##_ops);
|
|
|
|
static void add_sta_files(struct ieee80211_sub_if_data *sdata)
|
|
{
|
|
DEBUGFS_ADD(drop_unencrypted);
|
|
DEBUGFS_ADD(rc_rateidx_mask_2ghz);
|
|
DEBUGFS_ADD(rc_rateidx_mask_5ghz);
|
|
|
|
DEBUGFS_ADD(bssid);
|
|
DEBUGFS_ADD(aid);
|
|
DEBUGFS_ADD(last_beacon);
|
|
DEBUGFS_ADD(ave_beacon);
|
|
DEBUGFS_ADD_MODE(smps, 0600);
|
|
}
|
|
|
|
static void add_ap_files(struct ieee80211_sub_if_data *sdata)
|
|
{
|
|
DEBUGFS_ADD(drop_unencrypted);
|
|
DEBUGFS_ADD(rc_rateidx_mask_2ghz);
|
|
DEBUGFS_ADD(rc_rateidx_mask_5ghz);
|
|
|
|
DEBUGFS_ADD(num_sta_ps);
|
|
DEBUGFS_ADD(dtim_count);
|
|
DEBUGFS_ADD(num_buffered_multicast);
|
|
}
|
|
|
|
static void add_wds_files(struct ieee80211_sub_if_data *sdata)
|
|
{
|
|
DEBUGFS_ADD(drop_unencrypted);
|
|
DEBUGFS_ADD(rc_rateidx_mask_2ghz);
|
|
DEBUGFS_ADD(rc_rateidx_mask_5ghz);
|
|
|
|
DEBUGFS_ADD(peer);
|
|
}
|
|
|
|
static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
|
|
{
|
|
DEBUGFS_ADD(drop_unencrypted);
|
|
DEBUGFS_ADD(rc_rateidx_mask_2ghz);
|
|
DEBUGFS_ADD(rc_rateidx_mask_5ghz);
|
|
}
|
|
|
|
static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
|
|
{
|
|
}
|
|
|
|
#ifdef CONFIG_MAC80211_MESH
|
|
|
|
static void add_mesh_stats(struct ieee80211_sub_if_data *sdata)
|
|
{
|
|
struct dentry *dir = debugfs_create_dir("mesh_stats",
|
|
sdata->debugfs.dir);
|
|
|
|
#define MESHSTATS_ADD(name)\
|
|
debugfs_create_file(#name, 0400, dir, sdata, &name##_ops);
|
|
|
|
MESHSTATS_ADD(fwded_mcast);
|
|
MESHSTATS_ADD(fwded_unicast);
|
|
MESHSTATS_ADD(fwded_frames);
|
|
MESHSTATS_ADD(dropped_frames_ttl);
|
|
MESHSTATS_ADD(dropped_frames_no_route);
|
|
MESHSTATS_ADD(estab_plinks);
|
|
#undef MESHSTATS_ADD
|
|
}
|
|
|
|
static void add_mesh_config(struct ieee80211_sub_if_data *sdata)
|
|
{
|
|
struct dentry *dir = debugfs_create_dir("mesh_config",
|
|
sdata->debugfs.dir);
|
|
|
|
#define MESHPARAMS_ADD(name) \
|
|
debugfs_create_file(#name, 0600, dir, sdata, &name##_ops);
|
|
|
|
MESHPARAMS_ADD(dot11MeshMaxRetries);
|
|
MESHPARAMS_ADD(dot11MeshRetryTimeout);
|
|
MESHPARAMS_ADD(dot11MeshConfirmTimeout);
|
|
MESHPARAMS_ADD(dot11MeshHoldingTimeout);
|
|
MESHPARAMS_ADD(dot11MeshTTL);
|
|
MESHPARAMS_ADD(auto_open_plinks);
|
|
MESHPARAMS_ADD(dot11MeshMaxPeerLinks);
|
|
MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout);
|
|
MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval);
|
|
MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime);
|
|
MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries);
|
|
MESHPARAMS_ADD(path_refresh_time);
|
|
MESHPARAMS_ADD(min_discovery_timeout);
|
|
|
|
#undef MESHPARAMS_ADD
|
|
}
|
|
#endif
|
|
|
|
static void add_files(struct ieee80211_sub_if_data *sdata)
|
|
{
|
|
if (!sdata->debugfs.dir)
|
|
return;
|
|
|
|
switch (sdata->vif.type) {
|
|
case NL80211_IFTYPE_MESH_POINT:
|
|
#ifdef CONFIG_MAC80211_MESH
|
|
add_mesh_stats(sdata);
|
|
add_mesh_config(sdata);
|
|
#endif
|
|
break;
|
|
case NL80211_IFTYPE_STATION:
|
|
add_sta_files(sdata);
|
|
break;
|
|
case NL80211_IFTYPE_ADHOC:
|
|
/* XXX */
|
|
break;
|
|
case NL80211_IFTYPE_AP:
|
|
add_ap_files(sdata);
|
|
break;
|
|
case NL80211_IFTYPE_WDS:
|
|
add_wds_files(sdata);
|
|
break;
|
|
case NL80211_IFTYPE_MONITOR:
|
|
add_monitor_files(sdata);
|
|
break;
|
|
case NL80211_IFTYPE_AP_VLAN:
|
|
add_vlan_files(sdata);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
|
|
{
|
|
char buf[10+IFNAMSIZ];
|
|
|
|
sprintf(buf, "netdev:%s", sdata->name);
|
|
sdata->debugfs.dir = debugfs_create_dir(buf,
|
|
sdata->local->hw.wiphy->debugfsdir);
|
|
add_files(sdata);
|
|
}
|
|
|
|
void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
|
|
{
|
|
if (!sdata->debugfs.dir)
|
|
return;
|
|
|
|
debugfs_remove_recursive(sdata->debugfs.dir);
|
|
sdata->debugfs.dir = NULL;
|
|
}
|
|
|
|
void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
|
|
{
|
|
struct dentry *dir;
|
|
char buf[10 + IFNAMSIZ];
|
|
|
|
dir = sdata->debugfs.dir;
|
|
|
|
if (!dir)
|
|
return;
|
|
|
|
sprintf(buf, "netdev:%s", sdata->name);
|
|
if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf))
|
|
printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs "
|
|
"dir to %s\n", buf);
|
|
}
|