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-rw-r--r--package/mac80211/src/mac80211/debugfs_netdev.c780
1 files changed, 780 insertions, 0 deletions
diff --git a/package/mac80211/src/mac80211/debugfs_netdev.c b/package/mac80211/src/mac80211/debugfs_netdev.c
new file mode 100644
index 0000000000..b9409eeadf
--- /dev/null
+++ b/package/mac80211/src/mac80211/debugfs_netdev.c
@@ -0,0 +1,780 @@
+/*
+ * 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/notifier.h>
+#include <net/mac80211.h>
+#include <net/cfg80211.h>
+#include "ieee80211_i.h"
+#include "ieee80211_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));
+ ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret);
+ }
+ read_unlock(&dev_base_lock);
+ 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, MAC_FMT "\n", MAC_ARG(sdata->field));\
+}
+
+#define __IEEE80211_IF_FILE(name) \
+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, \
+ .open = mac80211_open_file_generic, \
+}
+
+#define IEEE80211_IF_FILE(name, field, format) \
+ IEEE80211_IF_FMT_##format(name, field) \
+ __IEEE80211_IF_FILE(name)
+
+static struct ieee80211_elem_tspec _tspec = {
+ .nominal_msdu_size = 200,
+ .inactivity_interval = 40,
+ .mean_data_rate = 40000,
+ .min_phy_rate = 6000000,
+ .surplus_band_allow = 8192,
+ .medium_time = 30,
+};
+static u8 _dls_mac[ETH_ALEN];
+
+#define DEBUGFS_QOS_FILE(name, f) \
+static ssize_t qos_ ##name## _write(struct file *file, \
+ const char __user *userbuf, \
+ size_t count, loff_t *ppos) \
+{ \
+ struct ieee80211_sub_if_data *sdata = file->private_data; \
+ \
+ f(sdata->dev, &sdata->u.sta, &_tspec); \
+ \
+ return count; \
+} \
+ \
+static const struct file_operations qos_ ##name## _ops = { \
+ .write = qos_ ##name## _write, \
+ .open = mac80211_open_file_generic, \
+};
+
+#define DEBUGFS_QOS_ADD(name) \
+ sdata->debugfs.sta.qos.name = debugfs_create_file(#name, 0444, qosd,\
+ sdata, &qos_ ##name## _ops);
+
+#define DEBUGFS_QOS_DEL(name) \
+ do { \
+ debugfs_remove(sdata->debugfs.sta.qos.name); \
+ sdata->debugfs.sta.qos.name = NULL; \
+ } while (0)
+
+DEBUGFS_QOS_FILE(addts_11e, ieee80211_send_addts);
+DEBUGFS_QOS_FILE(addts_wmm, wmm_send_addts);
+DEBUGFS_QOS_FILE(delts_11e, ieee80211_send_delts);
+DEBUGFS_QOS_FILE(delts_wmm, wmm_send_delts);
+
+static ssize_t qos_if_dls_mac(const struct ieee80211_sub_if_data *sdata,
+ char *buf, int buflen)
+{
+ return scnprintf(buf, buflen, MAC_FMT "\n", MAC_ARG(_dls_mac));
+}
+
+static ssize_t qos_dls_mac_read(struct file *file,
+ char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ return ieee80211_if_read(file->private_data,
+ userbuf, count, ppos,
+ qos_if_dls_mac);
+}
+
+static ssize_t qos_dls_mac_write(struct file *file, const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_sub_if_data *sdata = file->private_data;
+ char buf[20];
+ size_t size;
+ u8 m[ETH_ALEN];
+
+ size = min(sizeof(buf) - 1, count);
+ buf[size] = '\0';
+ if (copy_from_user(buf, userbuf, size))
+ return -EFAULT;
+
+ if (sscanf(buf, "%02hhx:%02hhx:%02hhx:%02hhx:%02hhx:%02hhx",
+ &((u8*)(m))[0], &((u8*)(m))[1], &((u8*)(m))[2],
+ &((u8*)(m))[3], &((u8*)(m))[4], &((u8*)(m))[5]) != ETH_ALEN){
+ printk(KERN_ERR "%s: sscanf input error\n", sdata->dev->name);
+ return -EINVAL;
+ }
+ memcpy(_dls_mac, m, ETH_ALEN);
+ return count;
+}
+
+static const struct file_operations qos_dls_mac_ops = {
+ .read = qos_dls_mac_read,
+ .write = qos_dls_mac_write,
+ .open = mac80211_open_file_generic,
+};
+
+static ssize_t qos_if_dls_op(const struct ieee80211_sub_if_data *sdata,
+ char *buf, int buflen)
+{
+ return scnprintf(buf, buflen,
+ "DLS Operation: Setup = 1; Teardown = 2\n");
+}
+
+static ssize_t qos_dls_op_read(struct file *file, char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ return ieee80211_if_read(file->private_data,
+ userbuf, count, ppos,
+ qos_if_dls_op);
+}
+
+static ssize_t qos_dls_op_write(struct file *file, const char __user *userbuf,
+ size_t count, loff_t *ppos)
+{
+ struct ieee80211_sub_if_data *sdata = file->private_data;
+ char buf[20];
+ size_t size;
+ unsigned int opt;
+
+ size = min(sizeof(buf) - 1, count);
+ buf[size] = '\0';
+ if (copy_from_user(buf, userbuf, size))
+ return -EFAULT;
+
+ if (sscanf(buf, "%u", &opt) != 1) {
+ printk(KERN_ERR "%s: sscanf input error\n", sdata->dev->name);
+ return -EINVAL;
+ }
+ switch (opt) {
+ case 1:
+ ieee80211_send_dls_req(sdata->dev, &sdata->u.sta, _dls_mac, 0);
+ break;
+ case 2:
+ ieee80211_send_dls_teardown(sdata->dev, &sdata->u.sta, _dls_mac,
+ WLAN_REASON_QSTA_NOT_USE);
+ break;
+ default:
+ printk(KERN_ERR "Unknown DLS Operation: %d\n", opt);
+ break;
+ }
+ return count;
+}
+
+static const struct file_operations qos_dls_op_ops = {
+ .read = qos_dls_op_read,
+ .write = qos_dls_op_write,
+ .open = mac80211_open_file_generic,
+};
+
+#define DEBUGFS_TSINFO_FILE(_name, min_val, max_val) \
+static ssize_t tsinfo_ ##_name## _read(struct file *file, \
+ char __user *userbuf, \
+ size_t count, loff_t *ppos) \
+{ \
+ char buf[20]; \
+ int res = scnprintf(buf, count, "%u\n", \
+ IEEE80211_TSINFO_## _name (_tspec.ts_info)); \
+ return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
+} \
+ \
+static ssize_t tsinfo_ ##_name## _write(struct file *file, \
+ const char __user *userbuf, \
+ size_t count, loff_t *ppos) \
+{ \
+ char buf[20]; \
+ size_t size; \
+ int val; \
+ \
+ size = min(sizeof(buf) - 1, count); \
+ buf[size] = '\0'; \
+ if (copy_from_user(buf, userbuf, size)) \
+ return -EFAULT; \
+ \
+ val = simple_strtoul(buf, NULL, 0); \
+ if ((val < min_val) || (val > max_val)) { \
+ struct ieee80211_sub_if_data *sdata = file->private_data;\
+ printk(KERN_ERR "%s: set value (%u) out of range " \
+ "[%u, %u]\n",sdata->dev->name,val,min_val,max_val);\
+ return -EINVAL; \
+ } \
+ SET_TSINFO_ ##_name (_tspec.ts_info, val); \
+ return count; \
+} \
+ \
+static const struct file_operations tsinfo_ ##_name## _ops = { \
+ .read = tsinfo_ ##_name## _read, \
+ .write = tsinfo_ ##_name## _write, \
+ .open = mac80211_open_file_generic, \
+};
+
+#define DEBUGFS_TSINFO_ADD_TSID \
+ sdata->debugfs.sta.tsinfo.tsid = \
+ debugfs_create_file("tsid", 0444, tsinfod, \
+ sdata, &tsinfo_TSID_ops);
+
+#define DEBUGFS_TSINFO_ADD_DIR \
+ sdata->debugfs.sta.tsinfo.direction = \
+ debugfs_create_file("direction", 0444, tsinfod, \
+ sdata, &tsinfo_DIR_ops);
+
+#define DEBUGFS_TSINFO_ADD_UP \
+ sdata->debugfs.sta.tsinfo.up = \
+ debugfs_create_file("up", 0444, tsinfod, \
+ sdata, &tsinfo_UP_ops);
+
+#define DEBUGFS_TSINFO_DEL(name) \
+ do { \
+ debugfs_remove(sdata->debugfs.sta.tsinfo.name); \
+ sdata->debugfs.sta.tsinfo.name = NULL; \
+ } while (0)
+
+DEBUGFS_TSINFO_FILE(TSID, 8, 15);
+DEBUGFS_TSINFO_FILE(DIR, 0, 3);
+DEBUGFS_TSINFO_FILE(UP, 0, 7);
+
+#define DEBUGFS_TSPEC_FILE(name) \
+static ssize_t tspec_ ##name## _read(struct file *file, \
+ char __user *userbuf, \
+ size_t count, loff_t *ppos) \
+{ \
+ char buf[20]; \
+ int res = scnprintf(buf, count, "%u\n", _tspec.name); \
+ return simple_read_from_buffer(userbuf, count, ppos, buf, res); \
+} \
+ \
+static ssize_t tspec_ ##name## _write(struct file *file, \
+ const char __user *userbuf, \
+ size_t count, loff_t *ppos) \
+{ \
+ char buf[20]; \
+ size_t size; \
+ \
+ size = min(sizeof(buf) - 1, count); \
+ buf[size] = '\0'; \
+ if (copy_from_user(buf, userbuf, size)) \
+ return -EFAULT; \
+ \
+ _tspec.name = simple_strtoul(buf, NULL, 0); \
+ return count; \
+} \
+ \
+static const struct file_operations tspec_ ##name## _ops = { \
+ .read = tspec_ ##name## _read, \
+ .write = tspec_ ##name## _write, \
+ .open = mac80211_open_file_generic, \
+};
+
+#define DEBUGFS_TSPEC_ADD(name) \
+ sdata->debugfs.sta.tspec.name = debugfs_create_file(#name, \
+ 0444, tspecd, sdata, &tspec_ ##name## _ops);
+
+#define DEBUGFS_TSPEC_DEL(name) \
+ do { \
+ debugfs_remove(sdata->debugfs.sta.tspec.name); \
+ sdata->debugfs.sta.tspec.name = NULL; \
+ } while (0)
+
+DEBUGFS_TSPEC_FILE(nominal_msdu_size);
+DEBUGFS_TSPEC_FILE(max_msdu_size);
+DEBUGFS_TSPEC_FILE(min_service_interval);
+DEBUGFS_TSPEC_FILE(max_service_interval);
+DEBUGFS_TSPEC_FILE(inactivity_interval);
+DEBUGFS_TSPEC_FILE(suspension_interval);
+DEBUGFS_TSPEC_FILE(service_start_time);
+DEBUGFS_TSPEC_FILE(min_data_rate);
+DEBUGFS_TSPEC_FILE(mean_data_rate);
+DEBUGFS_TSPEC_FILE(peak_data_rate);
+DEBUGFS_TSPEC_FILE(burst_size);
+DEBUGFS_TSPEC_FILE(delay_bound);
+DEBUGFS_TSPEC_FILE(min_phy_rate);
+DEBUGFS_TSPEC_FILE(surplus_band_allow);
+DEBUGFS_TSPEC_FILE(medium_time);
+
+
+/* common attributes */
+IEEE80211_IF_FILE(channel_use, channel_use, DEC);
+IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC);
+IEEE80211_IF_FILE(eapol, eapol, DEC);
+IEEE80211_IF_FILE(ieee8021_x, ieee802_1x, DEC);
+
+/* STA/IBSS attributes */
+IEEE80211_IF_FILE(state, u.sta.state, DEC);
+IEEE80211_IF_FILE(bssid, u.sta.bssid, MAC);
+IEEE80211_IF_FILE(prev_bssid, u.sta.prev_bssid, MAC);
+IEEE80211_IF_FILE(ssid_len, u.sta.ssid_len, SIZE);
+IEEE80211_IF_FILE(aid, u.sta.aid, DEC);
+IEEE80211_IF_FILE(ap_capab, u.sta.ap_capab, HEX);
+IEEE80211_IF_FILE(capab, u.sta.capab, HEX);
+IEEE80211_IF_FILE(extra_ie_len, u.sta.extra_ie_len, SIZE);
+IEEE80211_IF_FILE(auth_tries, u.sta.auth_tries, DEC);
+IEEE80211_IF_FILE(assoc_tries, u.sta.assoc_tries, DEC);
+IEEE80211_IF_FILE(auth_algs, u.sta.auth_algs, HEX);
+IEEE80211_IF_FILE(auth_alg, u.sta.auth_alg, DEC);
+IEEE80211_IF_FILE(auth_transaction, u.sta.auth_transaction, DEC);
+
+static ssize_t ieee80211_if_fmt_flags(
+ const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
+{
+ return scnprintf(buf, buflen, "%s%s%s%s%s%s%s\n",
+ sdata->u.sta.ssid_set ? "SSID\n" : "",
+ sdata->u.sta.bssid_set ? "BSSID\n" : "",
+ sdata->u.sta.prev_bssid_set ? "prev BSSID\n" : "",
+ sdata->u.sta.authenticated ? "AUTH\n" : "",
+ sdata->u.sta.associated ? "ASSOC\n" : "",
+ sdata->u.sta.probereq_poll ? "PROBEREQ POLL\n" : "",
+ sdata->u.sta.use_protection ? "CTS prot\n" : "");
+}
+__IEEE80211_IF_FILE(flags);
+
+/* AP attributes */
+IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC);
+IEEE80211_IF_FILE(dtim_period, u.ap.dtim_period, DEC);
+IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC);
+IEEE80211_IF_FILE(num_beacons, u.ap.num_beacons, DEC);
+IEEE80211_IF_FILE(force_unicast_rateidx, u.ap.force_unicast_rateidx, DEC);
+IEEE80211_IF_FILE(max_ratectrl_rateidx, u.ap.max_ratectrl_rateidx, 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);
+
+static ssize_t ieee80211_if_fmt_beacon_head_len(
+ const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
+{
+ if (sdata->u.ap.beacon_head)
+ return scnprintf(buf, buflen, "%d\n",
+ sdata->u.ap.beacon_head_len);
+ return scnprintf(buf, buflen, "\n");
+}
+__IEEE80211_IF_FILE(beacon_head_len);
+
+static ssize_t ieee80211_if_fmt_beacon_tail_len(
+ const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
+{
+ if (sdata->u.ap.beacon_tail)
+ return scnprintf(buf, buflen, "%d\n",
+ sdata->u.ap.beacon_tail_len);
+ return scnprintf(buf, buflen, "\n");
+}
+__IEEE80211_IF_FILE(beacon_tail_len);
+
+/* WDS attributes */
+IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC);
+
+/* VLAN attributes */
+IEEE80211_IF_FILE(vlan_id, u.vlan.id, DEC);
+
+/* MONITOR attributes */
+static ssize_t ieee80211_if_fmt_mode(
+ const struct ieee80211_sub_if_data *sdata, char *buf, int buflen)
+{
+ struct ieee80211_local *local = sdata->local;
+
+ return scnprintf(buf, buflen, "%s\n",
+ ((local->hw.flags & IEEE80211_HW_MONITOR_DURING_OPER) ||
+ local->open_count == local->monitors) ?
+ "hard" : "soft");
+}
+__IEEE80211_IF_FILE(mode);
+
+
+#define DEBUGFS_ADD(name, type)\
+ sdata->debugfs.type.name = debugfs_create_file(#name, 0444,\
+ sdata->debugfsdir, sdata, &name##_ops);
+
+static void add_sta_files(struct ieee80211_sub_if_data *sdata)
+{
+ struct dentry *qosd;
+ struct dentry *tsinfod;
+ struct dentry *tspecd;
+
+ DEBUGFS_ADD(channel_use, sta);
+ DEBUGFS_ADD(drop_unencrypted, sta);
+ DEBUGFS_ADD(eapol, sta);
+ DEBUGFS_ADD(ieee8021_x, sta);
+ DEBUGFS_ADD(state, sta);
+ DEBUGFS_ADD(bssid, sta);
+ DEBUGFS_ADD(prev_bssid, sta);
+ DEBUGFS_ADD(ssid_len, sta);
+ DEBUGFS_ADD(aid, sta);
+ DEBUGFS_ADD(ap_capab, sta);
+ DEBUGFS_ADD(capab, sta);
+ DEBUGFS_ADD(extra_ie_len, sta);
+ DEBUGFS_ADD(auth_tries, sta);
+ DEBUGFS_ADD(assoc_tries, sta);
+ DEBUGFS_ADD(auth_algs, sta);
+ DEBUGFS_ADD(auth_alg, sta);
+ DEBUGFS_ADD(auth_transaction, sta);
+ DEBUGFS_ADD(flags, sta);
+
+ qosd = debugfs_create_dir("qos", sdata->debugfsdir);
+ sdata->debugfs.sta.qos_dir = qosd;
+
+ DEBUGFS_QOS_ADD(addts_11e);
+ DEBUGFS_QOS_ADD(addts_wmm);
+ DEBUGFS_QOS_ADD(delts_11e);
+ DEBUGFS_QOS_ADD(delts_wmm);
+ DEBUGFS_QOS_ADD(dls_mac);
+ DEBUGFS_QOS_ADD(dls_op);
+
+ tsinfod = debugfs_create_dir("ts_info", qosd);
+ sdata->debugfs.sta.tsinfo_dir = tsinfod;
+
+ DEBUGFS_TSINFO_ADD_TSID;
+ DEBUGFS_TSINFO_ADD_DIR;
+ DEBUGFS_TSINFO_ADD_UP;
+
+ tspecd = debugfs_create_dir("tspec", qosd);
+ sdata->debugfs.sta.tspec_dir = tspecd;
+
+ DEBUGFS_TSPEC_ADD(nominal_msdu_size);
+ DEBUGFS_TSPEC_ADD(max_msdu_size);
+ DEBUGFS_TSPEC_ADD(min_service_interval);
+ DEBUGFS_TSPEC_ADD(max_service_interval);
+ DEBUGFS_TSPEC_ADD(inactivity_interval);
+ DEBUGFS_TSPEC_ADD(suspension_interval);
+ DEBUGFS_TSPEC_ADD(service_start_time);
+ DEBUGFS_TSPEC_ADD(min_data_rate);
+ DEBUGFS_TSPEC_ADD(mean_data_rate);
+ DEBUGFS_TSPEC_ADD(peak_data_rate);
+ DEBUGFS_TSPEC_ADD(burst_size);
+ DEBUGFS_TSPEC_ADD(delay_bound);
+ DEBUGFS_TSPEC_ADD(min_phy_rate);
+ DEBUGFS_TSPEC_ADD(surplus_band_allow);
+ DEBUGFS_TSPEC_ADD(medium_time);
+}
+
+static void add_ap_files(struct ieee80211_sub_if_data *sdata)
+{
+ DEBUGFS_ADD(channel_use, ap);
+ DEBUGFS_ADD(drop_unencrypted, ap);
+ DEBUGFS_ADD(eapol, ap);
+ DEBUGFS_ADD(ieee8021_x, ap);
+ DEBUGFS_ADD(num_sta_ps, ap);
+ DEBUGFS_ADD(dtim_period, ap);
+ DEBUGFS_ADD(dtim_count, ap);
+ DEBUGFS_ADD(num_beacons, ap);
+ DEBUGFS_ADD(force_unicast_rateidx, ap);
+ DEBUGFS_ADD(max_ratectrl_rateidx, ap);
+ DEBUGFS_ADD(num_buffered_multicast, ap);
+ DEBUGFS_ADD(beacon_head_len, ap);
+ DEBUGFS_ADD(beacon_tail_len, ap);
+}
+
+static void add_wds_files(struct ieee80211_sub_if_data *sdata)
+{
+ DEBUGFS_ADD(channel_use, wds);
+ DEBUGFS_ADD(drop_unencrypted, wds);
+ DEBUGFS_ADD(eapol, wds);
+ DEBUGFS_ADD(ieee8021_x, wds);
+ DEBUGFS_ADD(peer, wds);
+}
+
+static void add_vlan_files(struct ieee80211_sub_if_data *sdata)
+{
+ DEBUGFS_ADD(channel_use, vlan);
+ DEBUGFS_ADD(drop_unencrypted, vlan);
+ DEBUGFS_ADD(eapol, vlan);
+ DEBUGFS_ADD(ieee8021_x, vlan);
+ DEBUGFS_ADD(vlan_id, vlan);
+}
+
+static void add_monitor_files(struct ieee80211_sub_if_data *sdata)
+{
+ DEBUGFS_ADD(mode, monitor);
+}
+
+static void add_files(struct ieee80211_sub_if_data *sdata)
+{
+ if (!sdata->debugfsdir)
+ return;
+
+ switch (sdata->type) {
+ case IEEE80211_IF_TYPE_STA:
+ case IEEE80211_IF_TYPE_IBSS:
+ add_sta_files(sdata);
+ break;
+ case IEEE80211_IF_TYPE_AP:
+ add_ap_files(sdata);
+ break;
+ case IEEE80211_IF_TYPE_WDS:
+ add_wds_files(sdata);
+ break;
+ case IEEE80211_IF_TYPE_MNTR:
+ add_monitor_files(sdata);
+ break;
+ case IEEE80211_IF_TYPE_VLAN:
+ add_vlan_files(sdata);
+ break;
+ default:
+ break;
+ }
+}
+
+#define DEBUGFS_DEL(name, type) \
+ do { \
+ debugfs_remove(sdata->debugfs.type.name); \
+ sdata->debugfs.type.name = NULL; \
+ } while (0)
+
+static void del_sta_files(struct ieee80211_sub_if_data *sdata)
+{
+ DEBUGFS_DEL(channel_use, sta);
+ DEBUGFS_DEL(drop_unencrypted, sta);
+ DEBUGFS_DEL(eapol, sta);
+ DEBUGFS_DEL(ieee8021_x, sta);
+ DEBUGFS_DEL(state, sta);
+ DEBUGFS_DEL(bssid, sta);
+ DEBUGFS_DEL(prev_bssid, sta);
+ DEBUGFS_DEL(ssid_len, sta);
+ DEBUGFS_DEL(aid, sta);
+ DEBUGFS_DEL(ap_capab, sta);
+ DEBUGFS_DEL(capab, sta);
+ DEBUGFS_DEL(extra_ie_len, sta);
+ DEBUGFS_DEL(auth_tries, sta);
+ DEBUGFS_DEL(assoc_tries, sta);
+ DEBUGFS_DEL(auth_algs, sta);
+ DEBUGFS_DEL(auth_alg, sta);
+ DEBUGFS_DEL(auth_transaction, sta);
+ DEBUGFS_DEL(flags, sta);
+
+ DEBUGFS_TSINFO_DEL(tsid);
+ DEBUGFS_TSINFO_DEL(direction);
+ DEBUGFS_TSINFO_DEL(up);
+
+ DEBUGFS_TSPEC_DEL(nominal_msdu_size);
+ DEBUGFS_TSPEC_DEL(max_msdu_size);
+ DEBUGFS_TSPEC_DEL(min_service_interval);
+ DEBUGFS_TSPEC_DEL(max_service_interval);
+ DEBUGFS_TSPEC_DEL(inactivity_interval);
+ DEBUGFS_TSPEC_DEL(suspension_interval);
+ DEBUGFS_TSPEC_DEL(service_start_time);
+ DEBUGFS_TSPEC_DEL(min_data_rate);
+ DEBUGFS_TSPEC_DEL(mean_data_rate);
+ DEBUGFS_TSPEC_DEL(peak_data_rate);
+ DEBUGFS_TSPEC_DEL(burst_size);
+ DEBUGFS_TSPEC_DEL(delay_bound);
+ DEBUGFS_TSPEC_DEL(min_phy_rate);
+ DEBUGFS_TSPEC_DEL(surplus_band_allow);
+ DEBUGFS_TSPEC_DEL(medium_time);
+
+ DEBUGFS_QOS_DEL(addts_11e);
+ DEBUGFS_QOS_DEL(addts_wmm);
+ DEBUGFS_QOS_DEL(delts_11e);
+ DEBUGFS_QOS_DEL(delts_wmm);
+ DEBUGFS_QOS_DEL(dls_mac);
+ DEBUGFS_QOS_DEL(dls_op);
+
+ debugfs_remove(sdata->debugfs.sta.tspec_dir);
+ sdata->debugfs.sta.tspec_dir = NULL;
+ debugfs_remove(sdata->debugfs.sta.tsinfo_dir);
+ sdata->debugfs.sta.tsinfo_dir = NULL;
+ debugfs_remove(sdata->debugfs.sta.qos_dir);
+ sdata->debugfs.sta.qos_dir = NULL;
+}
+
+static void del_ap_files(struct ieee80211_sub_if_data *sdata)
+{
+ DEBUGFS_DEL(channel_use, ap);
+ DEBUGFS_DEL(drop_unencrypted, ap);
+ DEBUGFS_DEL(eapol, ap);
+ DEBUGFS_DEL(ieee8021_x, ap);
+ DEBUGFS_DEL(num_sta_ps, ap);
+ DEBUGFS_DEL(dtim_period, ap);
+ DEBUGFS_DEL(dtim_count, ap);
+ DEBUGFS_DEL(num_beacons, ap);
+ DEBUGFS_DEL(force_unicast_rateidx, ap);
+ DEBUGFS_DEL(max_ratectrl_rateidx, ap);
+ DEBUGFS_DEL(num_buffered_multicast, ap);
+ DEBUGFS_DEL(beacon_head_len, ap);
+ DEBUGFS_DEL(beacon_tail_len, ap);
+}
+
+static void del_wds_files(struct ieee80211_sub_if_data *sdata)
+{
+ DEBUGFS_DEL(channel_use, wds);
+ DEBUGFS_DEL(drop_unencrypted, wds);
+ DEBUGFS_DEL(eapol, wds);
+ DEBUGFS_DEL(ieee8021_x, wds);
+ DEBUGFS_DEL(peer, wds);
+}
+
+static void del_vlan_files(struct ieee80211_sub_if_data *sdata)
+{
+ DEBUGFS_DEL(channel_use, vlan);
+ DEBUGFS_DEL(drop_unencrypted, vlan);
+ DEBUGFS_DEL(eapol, vlan);
+ DEBUGFS_DEL(ieee8021_x, vlan);
+ DEBUGFS_DEL(vlan_id, vlan);
+}
+
+static void del_monitor_files(struct ieee80211_sub_if_data *sdata)
+{
+ DEBUGFS_DEL(mode, monitor);
+}
+
+static void del_files(struct ieee80211_sub_if_data *sdata, int type)
+{
+ if (!sdata->debugfsdir)
+ return;
+
+ switch (type) {
+ case IEEE80211_IF_TYPE_STA:
+ case IEEE80211_IF_TYPE_IBSS:
+ del_sta_files(sdata);
+ break;
+ case IEEE80211_IF_TYPE_AP:
+ del_ap_files(sdata);
+ break;
+ case IEEE80211_IF_TYPE_WDS:
+ del_wds_files(sdata);
+ break;
+ case IEEE80211_IF_TYPE_MNTR:
+ del_monitor_files(sdata);
+ break;
+ case IEEE80211_IF_TYPE_VLAN:
+ del_vlan_files(sdata);
+ break;
+ default:
+ break;
+ }
+}
+
+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);
+ sdata->debugfsdir = debugfs_create_dir(buf,
+ sdata->local->hw.wiphy->debugfsdir);
+}
+
+void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata)
+{
+ del_files(sdata, sdata->type);
+ debugfs_remove(sdata->debugfsdir);
+ sdata->debugfsdir = NULL;
+}
+
+void ieee80211_debugfs_change_if_type(struct ieee80211_sub_if_data *sdata,
+ int oldtype)
+{
+ del_files(sdata, oldtype);
+ add_files(sdata);
+}
+
+static int netdev_notify(struct notifier_block * nb,
+ unsigned long state,
+ void *ndev)
+{
+ struct net_device *dev = ndev;
+ 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;
+
+ /* TODO
+ sprintf(buf, "netdev:%s", dev->name);
+ debugfs_rename(IEEE80211_DEV_TO_SUB_IF(dev)->debugfsdir, 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 2.25.1) at 2024-08-29 16:17:18 +0000