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Diffstat (limited to 'net/mac80211/debugfs_netdev.c')
-rw-r--r--net/mac80211/debugfs_netdev.c217
1 files changed, 141 insertions, 76 deletions
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 472b2039906c..83d4289d954b 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -13,6 +13,7 @@
#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>
@@ -41,6 +42,34 @@ static ssize_t ieee80211_if_read(
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, \
@@ -71,7 +100,7 @@ static ssize_t ieee80211_if_fmt_##name( \
return scnprintf(buf, buflen, "%pM\n", sdata->field); \
}
-#define __IEEE80211_IF_FILE(name) \
+#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) \
@@ -82,22 +111,99 @@ static ssize_t ieee80211_if_read_##name(struct file *file, \
} \
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)
+ __IEEE80211_IF_FILE(name, NULL)
/* common attributes */
IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
-IEEE80211_IF_FILE(force_unicast_rateidx, force_unicast_rateidx, DEC);
-IEEE80211_IF_FILE(max_ratectrl_rateidx, max_ratectrl_rateidx, 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(capab, u.mgd.capab, HEX);
+
+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);
@@ -109,7 +215,7 @@ static ssize_t ieee80211_if_fmt_num_buffered_multicast(
return scnprintf(buf, buflen, "%u\n",
skb_queue_len(&sdata->u.ap.ps_bc_buf));
}
-__IEEE80211_IF_FILE(num_buffered_multicast);
+__IEEE80211_IF_FILE(num_buffered_multicast, NULL);
/* WDS attributes */
IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
@@ -154,46 +260,50 @@ IEEE80211_IF_FILE(dot11MeshHWMPRootMode,
#endif
-#define DEBUGFS_ADD(name, type) \
+#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, sta);
- DEBUGFS_ADD(force_unicast_rateidx, sta);
- DEBUGFS_ADD(max_ratectrl_rateidx, sta);
+ DEBUGFS_ADD(drop_unencrypted);
+ DEBUGFS_ADD(rc_rateidx_mask_2ghz);
+ DEBUGFS_ADD(rc_rateidx_mask_5ghz);
- DEBUGFS_ADD(bssid, sta);
- DEBUGFS_ADD(aid, sta);
- DEBUGFS_ADD(capab, sta);
+ DEBUGFS_ADD(bssid);
+ DEBUGFS_ADD(aid);
+ DEBUGFS_ADD_MODE(smps, 0600);
}
static void add_ap_files(struct ieee80211_sub_if_data *sdata)
{
- DEBUGFS_ADD(drop_unencrypted, ap);
- DEBUGFS_ADD(force_unicast_rateidx, ap);
- DEBUGFS_ADD(max_ratectrl_rateidx, ap);
+ DEBUGFS_ADD(drop_unencrypted);
+ DEBUGFS_ADD(rc_rateidx_mask_2ghz);
+ DEBUGFS_ADD(rc_rateidx_mask_5ghz);
- DEBUGFS_ADD(num_sta_ps, ap);
- DEBUGFS_ADD(dtim_count, ap);
- DEBUGFS_ADD(num_buffered_multicast, ap);
+ 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, wds);
- DEBUGFS_ADD(force_unicast_rateidx, wds);
- DEBUGFS_ADD(max_ratectrl_rateidx, wds);
+ DEBUGFS_ADD(drop_unencrypted);
+ DEBUGFS_ADD(rc_rateidx_mask_2ghz);
+ DEBUGFS_ADD(rc_rateidx_mask_5ghz);
- DEBUGFS_ADD(peer, wds);
+ DEBUGFS_ADD(peer);
}
static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
{
- DEBUGFS_ADD(drop_unencrypted, vlan);
- DEBUGFS_ADD(force_unicast_rateidx, vlan);
- DEBUGFS_ADD(max_ratectrl_rateidx, vlan);
+ 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)
@@ -280,16 +390,11 @@ static void add_files(struct ieee80211_sub_if_data *sdata)
}
}
-static int notif_registered;
-
void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata)
{
char buf[10+IFNAMSIZ];
- if (!notif_registered)
- return;
-
- sprintf(buf, "netdev:%s", sdata->dev->name);
+ sprintf(buf, "netdev:%s", sdata->name);
sdata->debugfs.dir = debugfs_create_dir(buf,
sdata->local->hw.wiphy->debugfsdir);
add_files(sdata);
@@ -304,58 +409,18 @@ void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
sdata->debugfs.dir = NULL;
}
-static int netdev_notify(struct notifier_block *nb,
- unsigned long state,
- void *ndev)
+void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata)
{
- struct net_device *dev = ndev;
struct dentry *dir;
- struct ieee80211_sub_if_data *sdata;
- char buf[10+IFNAMSIZ];
-
- if (state != NETDEV_CHANGENAME)
- return 0;
-
- if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy)
- return 0;
-
- if (dev->ieee80211_ptr->wiphy->privid != mac80211_wiphy_privid)
- return 0;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ char buf[10 + IFNAMSIZ];
dir = sdata->debugfs.dir;
if (!dir)
- return 0;
+ return;
- sprintf(buf, "netdev:%s", dev->name);
+ 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);
-
- return 0;
-}
-
-static struct notifier_block mac80211_debugfs_netdev_notifier = {
- .notifier_call = netdev_notify,
-};
-
-void ieee80211_debugfs_netdev_init(void)
-{
- int err;
-
- err = register_netdevice_notifier(&mac80211_debugfs_netdev_notifier);
- if (err) {
- printk(KERN_ERR
- "mac80211: failed to install netdev notifier,"
- " disabling per-netdev debugfs!\n");
- } else
- notif_registered = 1;
-}
-
-void ieee80211_debugfs_netdev_exit(void)
-{
- unregister_netdevice_notifier(&mac80211_debugfs_netdev_notifier);
- notif_registered = 0;
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-14 10:43:37 +0000