Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz> |
| 3 | * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License version 2 as |
| 7 | * published by the Free Software Foundation. |
| 8 | */ |
| 9 | |
| 10 | #include <linux/kernel.h> |
| 11 | #include <linux/device.h> |
| 12 | #include <linux/if.h> |
| 13 | #include <linux/interrupt.h> |
| 14 | #include <linux/netdevice.h> |
| 15 | #include <linux/rtnetlink.h> |
| 16 | #include <linux/notifier.h> |
| 17 | #include <net/mac80211.h> |
| 18 | #include <net/cfg80211.h> |
| 19 | #include "ieee80211_i.h" |
| 20 | #include "ieee80211_rate.h" |
| 21 | #include "debugfs.h" |
| 22 | #include "debugfs_netdev.h" |
| 23 | |
| 24 | static ssize_t ieee80211_if_read( |
| 25 | struct ieee80211_sub_if_data *sdata, |
| 26 | char __user *userbuf, |
| 27 | size_t count, loff_t *ppos, |
| 28 | ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int)) |
| 29 | { |
| 30 | char buf[70]; |
| 31 | ssize_t ret = -EINVAL; |
| 32 | |
| 33 | read_lock(&dev_base_lock); |
Luis Carlos Cobo | 73bb3e4 | 2008-03-31 15:10:22 -0700 | [diff] [blame] | 34 | if (sdata->dev->reg_state == NETREG_REGISTERED) |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 35 | ret = (*format)(sdata, buf, sizeof(buf)); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 36 | read_unlock(&dev_base_lock); |
Luis Carlos Cobo | 73bb3e4 | 2008-03-31 15:10:22 -0700 | [diff] [blame] | 37 | |
| 38 | if (ret != -EINVAL) |
| 39 | ret = simple_read_from_buffer(userbuf, count, ppos, buf, ret); |
| 40 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 41 | return ret; |
| 42 | } |
| 43 | |
Luis Carlos Cobo | 9f42f60 | 2008-02-23 15:17:16 +0100 | [diff] [blame] | 44 | #ifdef CONFIG_MAC80211_MESH |
| 45 | static ssize_t ieee80211_if_write( |
| 46 | struct ieee80211_sub_if_data *sdata, |
| 47 | char const __user *userbuf, |
| 48 | size_t count, loff_t *ppos, |
| 49 | int (*format)(struct ieee80211_sub_if_data *, char *)) |
| 50 | { |
| 51 | char buf[10]; |
| 52 | int buf_size; |
| 53 | |
| 54 | memset(buf, 0x00, sizeof(buf)); |
| 55 | buf_size = min(count, (sizeof(buf)-1)); |
Luis Carlos Cobo | 9f42f60 | 2008-02-23 15:17:16 +0100 | [diff] [blame] | 56 | if (copy_from_user(buf, userbuf, buf_size)) |
Luis Carlos Cobo | 73bb3e4 | 2008-03-31 15:10:22 -0700 | [diff] [blame] | 57 | return count; |
| 58 | read_lock(&dev_base_lock); |
Luis Carlos Cobo | 9f42f60 | 2008-02-23 15:17:16 +0100 | [diff] [blame] | 59 | if (sdata->dev->reg_state == NETREG_REGISTERED) |
| 60 | (*format)(sdata, buf); |
Luis Carlos Cobo | 9f42f60 | 2008-02-23 15:17:16 +0100 | [diff] [blame] | 61 | read_unlock(&dev_base_lock); |
Luis Carlos Cobo | 73bb3e4 | 2008-03-31 15:10:22 -0700 | [diff] [blame] | 62 | |
Luis Carlos Cobo | 9f42f60 | 2008-02-23 15:17:16 +0100 | [diff] [blame] | 63 | return count; |
| 64 | } |
| 65 | #endif |
| 66 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 67 | #define IEEE80211_IF_FMT(name, field, format_string) \ |
| 68 | static ssize_t ieee80211_if_fmt_##name( \ |
| 69 | const struct ieee80211_sub_if_data *sdata, char *buf, \ |
| 70 | int buflen) \ |
| 71 | { \ |
| 72 | return scnprintf(buf, buflen, format_string, sdata->field); \ |
| 73 | } |
Luis Carlos Cobo | 9f42f60 | 2008-02-23 15:17:16 +0100 | [diff] [blame] | 74 | #define IEEE80211_IF_WFMT(name, field, type) \ |
| 75 | static int ieee80211_if_wfmt_##name( \ |
| 76 | struct ieee80211_sub_if_data *sdata, char *buf) \ |
| 77 | { \ |
| 78 | unsigned long tmp; \ |
| 79 | char *endp; \ |
| 80 | \ |
| 81 | tmp = simple_strtoul(buf, &endp, 0); \ |
| 82 | if ((endp == buf) || ((type)tmp != tmp)) \ |
| 83 | return -EINVAL; \ |
| 84 | sdata->field = tmp; \ |
| 85 | return 0; \ |
| 86 | } |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 87 | #define IEEE80211_IF_FMT_DEC(name, field) \ |
| 88 | IEEE80211_IF_FMT(name, field, "%d\n") |
| 89 | #define IEEE80211_IF_FMT_HEX(name, field) \ |
| 90 | IEEE80211_IF_FMT(name, field, "%#x\n") |
| 91 | #define IEEE80211_IF_FMT_SIZE(name, field) \ |
| 92 | IEEE80211_IF_FMT(name, field, "%zd\n") |
| 93 | |
| 94 | #define IEEE80211_IF_FMT_ATOMIC(name, field) \ |
| 95 | static ssize_t ieee80211_if_fmt_##name( \ |
| 96 | const struct ieee80211_sub_if_data *sdata, \ |
| 97 | char *buf, int buflen) \ |
| 98 | { \ |
| 99 | return scnprintf(buf, buflen, "%d\n", atomic_read(&sdata->field));\ |
| 100 | } |
| 101 | |
| 102 | #define IEEE80211_IF_FMT_MAC(name, field) \ |
| 103 | static ssize_t ieee80211_if_fmt_##name( \ |
| 104 | const struct ieee80211_sub_if_data *sdata, char *buf, \ |
| 105 | int buflen) \ |
| 106 | { \ |
Joe Perches | 0795af5 | 2007-10-03 17:59:30 -0700 | [diff] [blame] | 107 | DECLARE_MAC_BUF(mac); \ |
| 108 | return scnprintf(buf, buflen, "%s\n", print_mac(mac, sdata->field));\ |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 109 | } |
| 110 | |
| 111 | #define __IEEE80211_IF_FILE(name) \ |
| 112 | static ssize_t ieee80211_if_read_##name(struct file *file, \ |
| 113 | char __user *userbuf, \ |
| 114 | size_t count, loff_t *ppos) \ |
| 115 | { \ |
| 116 | return ieee80211_if_read(file->private_data, \ |
| 117 | userbuf, count, ppos, \ |
| 118 | ieee80211_if_fmt_##name); \ |
| 119 | } \ |
| 120 | static const struct file_operations name##_ops = { \ |
| 121 | .read = ieee80211_if_read_##name, \ |
| 122 | .open = mac80211_open_file_generic, \ |
| 123 | } |
| 124 | |
| 125 | #define IEEE80211_IF_FILE(name, field, format) \ |
| 126 | IEEE80211_IF_FMT_##format(name, field) \ |
| 127 | __IEEE80211_IF_FILE(name) |
| 128 | |
Luis Carlos Cobo | 9f42f60 | 2008-02-23 15:17:16 +0100 | [diff] [blame] | 129 | #define __IEEE80211_IF_WFILE(name) \ |
| 130 | static ssize_t ieee80211_if_read_##name(struct file *file, \ |
| 131 | char __user *userbuf, \ |
| 132 | size_t count, loff_t *ppos) \ |
| 133 | { \ |
| 134 | return ieee80211_if_read(file->private_data, \ |
| 135 | userbuf, count, ppos, \ |
| 136 | ieee80211_if_fmt_##name); \ |
| 137 | } \ |
| 138 | static ssize_t ieee80211_if_write_##name(struct file *file, \ |
| 139 | const char __user *userbuf, \ |
| 140 | size_t count, loff_t *ppos) \ |
| 141 | { \ |
| 142 | return ieee80211_if_write(file->private_data, \ |
| 143 | userbuf, count, ppos, \ |
| 144 | ieee80211_if_wfmt_##name); \ |
| 145 | } \ |
| 146 | static const struct file_operations name##_ops = { \ |
| 147 | .read = ieee80211_if_read_##name, \ |
| 148 | .write = ieee80211_if_write_##name, \ |
| 149 | .open = mac80211_open_file_generic, \ |
| 150 | } |
| 151 | |
| 152 | #define IEEE80211_IF_WFILE(name, field, format, type) \ |
| 153 | IEEE80211_IF_FMT_##format(name, field) \ |
| 154 | IEEE80211_IF_WFMT(name, field, type) \ |
| 155 | __IEEE80211_IF_WFILE(name) |
| 156 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 157 | /* common attributes */ |
| 158 | IEEE80211_IF_FILE(channel_use, channel_use, DEC); |
| 159 | IEEE80211_IF_FILE(drop_unencrypted, drop_unencrypted, DEC); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 160 | |
| 161 | /* STA/IBSS attributes */ |
| 162 | IEEE80211_IF_FILE(state, u.sta.state, DEC); |
| 163 | IEEE80211_IF_FILE(bssid, u.sta.bssid, MAC); |
| 164 | IEEE80211_IF_FILE(prev_bssid, u.sta.prev_bssid, MAC); |
| 165 | IEEE80211_IF_FILE(ssid_len, u.sta.ssid_len, SIZE); |
| 166 | IEEE80211_IF_FILE(aid, u.sta.aid, DEC); |
| 167 | IEEE80211_IF_FILE(ap_capab, u.sta.ap_capab, HEX); |
| 168 | IEEE80211_IF_FILE(capab, u.sta.capab, HEX); |
| 169 | IEEE80211_IF_FILE(extra_ie_len, u.sta.extra_ie_len, SIZE); |
| 170 | IEEE80211_IF_FILE(auth_tries, u.sta.auth_tries, DEC); |
| 171 | IEEE80211_IF_FILE(assoc_tries, u.sta.assoc_tries, DEC); |
| 172 | IEEE80211_IF_FILE(auth_algs, u.sta.auth_algs, HEX); |
| 173 | IEEE80211_IF_FILE(auth_alg, u.sta.auth_alg, DEC); |
| 174 | IEEE80211_IF_FILE(auth_transaction, u.sta.auth_transaction, DEC); |
Luis Carlos Cobo | 9f42f60 | 2008-02-23 15:17:16 +0100 | [diff] [blame] | 175 | IEEE80211_IF_FILE(num_beacons_sta, u.sta.num_beacons, DEC); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 176 | |
| 177 | static ssize_t ieee80211_if_fmt_flags( |
| 178 | const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) |
| 179 | { |
| 180 | return scnprintf(buf, buflen, "%s%s%s%s%s%s%s\n", |
Jiri Slaby | d6f2da5 | 2007-08-28 17:01:54 -0400 | [diff] [blame] | 181 | sdata->u.sta.flags & IEEE80211_STA_SSID_SET ? "SSID\n" : "", |
| 182 | sdata->u.sta.flags & IEEE80211_STA_BSSID_SET ? "BSSID\n" : "", |
| 183 | sdata->u.sta.flags & IEEE80211_STA_PREV_BSSID_SET ? "prev BSSID\n" : "", |
| 184 | sdata->u.sta.flags & IEEE80211_STA_AUTHENTICATED ? "AUTH\n" : "", |
| 185 | sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED ? "ASSOC\n" : "", |
| 186 | sdata->u.sta.flags & IEEE80211_STA_PROBEREQ_POLL ? "PROBEREQ POLL\n" : "", |
Johannes Berg | 471b3ef | 2007-12-28 14:32:58 +0100 | [diff] [blame] | 187 | sdata->bss_conf.use_cts_prot ? "CTS prot\n" : ""); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 188 | } |
| 189 | __IEEE80211_IF_FILE(flags); |
| 190 | |
| 191 | /* AP attributes */ |
| 192 | IEEE80211_IF_FILE(num_sta_ps, u.ap.num_sta_ps, ATOMIC); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 193 | IEEE80211_IF_FILE(dtim_count, u.ap.dtim_count, DEC); |
| 194 | IEEE80211_IF_FILE(num_beacons, u.ap.num_beacons, DEC); |
| 195 | IEEE80211_IF_FILE(force_unicast_rateidx, u.ap.force_unicast_rateidx, DEC); |
| 196 | IEEE80211_IF_FILE(max_ratectrl_rateidx, u.ap.max_ratectrl_rateidx, DEC); |
| 197 | |
| 198 | static ssize_t ieee80211_if_fmt_num_buffered_multicast( |
| 199 | const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) |
| 200 | { |
| 201 | return scnprintf(buf, buflen, "%u\n", |
| 202 | skb_queue_len(&sdata->u.ap.ps_bc_buf)); |
| 203 | } |
| 204 | __IEEE80211_IF_FILE(num_buffered_multicast); |
| 205 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 206 | /* WDS attributes */ |
| 207 | IEEE80211_IF_FILE(peer, u.wds.remote_addr, MAC); |
| 208 | |
Luis Carlos Cobo | 9f42f60 | 2008-02-23 15:17:16 +0100 | [diff] [blame] | 209 | #ifdef CONFIG_MAC80211_MESH |
| 210 | /* Mesh stats attributes */ |
| 211 | IEEE80211_IF_FILE(fwded_frames, u.sta.mshstats.fwded_frames, DEC); |
| 212 | IEEE80211_IF_FILE(dropped_frames_ttl, u.sta.mshstats.dropped_frames_ttl, DEC); |
| 213 | IEEE80211_IF_FILE(dropped_frames_no_route, |
| 214 | u.sta.mshstats.dropped_frames_no_route, DEC); |
| 215 | IEEE80211_IF_FILE(estab_plinks, u.sta.mshstats.estab_plinks, ATOMIC); |
| 216 | |
| 217 | /* Mesh parameters */ |
| 218 | IEEE80211_IF_WFILE(dot11MeshMaxRetries, |
| 219 | u.sta.mshcfg.dot11MeshMaxRetries, DEC, u8); |
| 220 | IEEE80211_IF_WFILE(dot11MeshRetryTimeout, |
| 221 | u.sta.mshcfg.dot11MeshRetryTimeout, DEC, u16); |
| 222 | IEEE80211_IF_WFILE(dot11MeshConfirmTimeout, |
| 223 | u.sta.mshcfg.dot11MeshConfirmTimeout, DEC, u16); |
| 224 | IEEE80211_IF_WFILE(dot11MeshHoldingTimeout, |
| 225 | u.sta.mshcfg.dot11MeshHoldingTimeout, DEC, u16); |
| 226 | IEEE80211_IF_WFILE(dot11MeshTTL, u.sta.mshcfg.dot11MeshTTL, DEC, u8); |
Andrew Morton | 0675abd | 2008-03-27 23:25:27 -0700 | [diff] [blame] | 227 | IEEE80211_IF_WFILE(auto_open_plinks, u.sta.mshcfg.auto_open_plinks, DEC, u8); |
Luis Carlos Cobo | 9f42f60 | 2008-02-23 15:17:16 +0100 | [diff] [blame] | 228 | IEEE80211_IF_WFILE(dot11MeshMaxPeerLinks, |
| 229 | u.sta.mshcfg.dot11MeshMaxPeerLinks, DEC, u16); |
| 230 | IEEE80211_IF_WFILE(dot11MeshHWMPactivePathTimeout, |
| 231 | u.sta.mshcfg.dot11MeshHWMPactivePathTimeout, DEC, u32); |
| 232 | IEEE80211_IF_WFILE(dot11MeshHWMPpreqMinInterval, |
| 233 | u.sta.mshcfg.dot11MeshHWMPpreqMinInterval, DEC, u16); |
| 234 | IEEE80211_IF_WFILE(dot11MeshHWMPnetDiameterTraversalTime, |
| 235 | u.sta.mshcfg.dot11MeshHWMPnetDiameterTraversalTime, DEC, u16); |
| 236 | IEEE80211_IF_WFILE(dot11MeshHWMPmaxPREQretries, |
| 237 | u.sta.mshcfg.dot11MeshHWMPmaxPREQretries, DEC, u8); |
| 238 | IEEE80211_IF_WFILE(path_refresh_time, |
| 239 | u.sta.mshcfg.path_refresh_time, DEC, u32); |
| 240 | IEEE80211_IF_WFILE(min_discovery_timeout, |
| 241 | u.sta.mshcfg.min_discovery_timeout, DEC, u16); |
| 242 | #endif |
| 243 | |
| 244 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 245 | #define DEBUGFS_ADD(name, type)\ |
| 246 | sdata->debugfs.type.name = debugfs_create_file(#name, 0444,\ |
| 247 | sdata->debugfsdir, sdata, &name##_ops); |
| 248 | |
| 249 | static void add_sta_files(struct ieee80211_sub_if_data *sdata) |
| 250 | { |
| 251 | DEBUGFS_ADD(channel_use, sta); |
| 252 | DEBUGFS_ADD(drop_unencrypted, sta); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 253 | DEBUGFS_ADD(state, sta); |
| 254 | DEBUGFS_ADD(bssid, sta); |
| 255 | DEBUGFS_ADD(prev_bssid, sta); |
| 256 | DEBUGFS_ADD(ssid_len, sta); |
| 257 | DEBUGFS_ADD(aid, sta); |
| 258 | DEBUGFS_ADD(ap_capab, sta); |
| 259 | DEBUGFS_ADD(capab, sta); |
| 260 | DEBUGFS_ADD(extra_ie_len, sta); |
| 261 | DEBUGFS_ADD(auth_tries, sta); |
| 262 | DEBUGFS_ADD(assoc_tries, sta); |
| 263 | DEBUGFS_ADD(auth_algs, sta); |
| 264 | DEBUGFS_ADD(auth_alg, sta); |
| 265 | DEBUGFS_ADD(auth_transaction, sta); |
| 266 | DEBUGFS_ADD(flags, sta); |
Luis Carlos Cobo | 9f42f60 | 2008-02-23 15:17:16 +0100 | [diff] [blame] | 267 | DEBUGFS_ADD(num_beacons_sta, sta); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 268 | } |
| 269 | |
| 270 | static void add_ap_files(struct ieee80211_sub_if_data *sdata) |
| 271 | { |
| 272 | DEBUGFS_ADD(channel_use, ap); |
| 273 | DEBUGFS_ADD(drop_unencrypted, ap); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 274 | DEBUGFS_ADD(num_sta_ps, ap); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 275 | DEBUGFS_ADD(dtim_count, ap); |
| 276 | DEBUGFS_ADD(num_beacons, ap); |
| 277 | DEBUGFS_ADD(force_unicast_rateidx, ap); |
| 278 | DEBUGFS_ADD(max_ratectrl_rateidx, ap); |
| 279 | DEBUGFS_ADD(num_buffered_multicast, ap); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 280 | } |
| 281 | |
| 282 | static void add_wds_files(struct ieee80211_sub_if_data *sdata) |
| 283 | { |
| 284 | DEBUGFS_ADD(channel_use, wds); |
| 285 | DEBUGFS_ADD(drop_unencrypted, wds); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 286 | DEBUGFS_ADD(peer, wds); |
| 287 | } |
| 288 | |
| 289 | static void add_vlan_files(struct ieee80211_sub_if_data *sdata) |
| 290 | { |
| 291 | DEBUGFS_ADD(channel_use, vlan); |
| 292 | DEBUGFS_ADD(drop_unencrypted, vlan); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 293 | } |
| 294 | |
| 295 | static void add_monitor_files(struct ieee80211_sub_if_data *sdata) |
| 296 | { |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 297 | } |
| 298 | |
Luis Carlos Cobo | 9f42f60 | 2008-02-23 15:17:16 +0100 | [diff] [blame] | 299 | #ifdef CONFIG_MAC80211_MESH |
| 300 | #define MESHSTATS_ADD(name)\ |
| 301 | sdata->mesh_stats.name = debugfs_create_file(#name, 0444,\ |
| 302 | sdata->mesh_stats_dir, sdata, &name##_ops); |
| 303 | |
| 304 | static void add_mesh_stats(struct ieee80211_sub_if_data *sdata) |
| 305 | { |
| 306 | sdata->mesh_stats_dir = debugfs_create_dir("mesh_stats", |
| 307 | sdata->debugfsdir); |
| 308 | MESHSTATS_ADD(fwded_frames); |
| 309 | MESHSTATS_ADD(dropped_frames_ttl); |
| 310 | MESHSTATS_ADD(dropped_frames_no_route); |
| 311 | MESHSTATS_ADD(estab_plinks); |
| 312 | } |
| 313 | |
| 314 | #define MESHPARAMS_ADD(name)\ |
| 315 | sdata->mesh_config.name = debugfs_create_file(#name, 0644,\ |
| 316 | sdata->mesh_config_dir, sdata, &name##_ops); |
| 317 | |
| 318 | static void add_mesh_config(struct ieee80211_sub_if_data *sdata) |
| 319 | { |
| 320 | sdata->mesh_config_dir = debugfs_create_dir("mesh_config", |
| 321 | sdata->debugfsdir); |
| 322 | MESHPARAMS_ADD(dot11MeshMaxRetries); |
| 323 | MESHPARAMS_ADD(dot11MeshRetryTimeout); |
| 324 | MESHPARAMS_ADD(dot11MeshConfirmTimeout); |
| 325 | MESHPARAMS_ADD(dot11MeshHoldingTimeout); |
| 326 | MESHPARAMS_ADD(dot11MeshTTL); |
| 327 | MESHPARAMS_ADD(auto_open_plinks); |
| 328 | MESHPARAMS_ADD(dot11MeshMaxPeerLinks); |
| 329 | MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout); |
| 330 | MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval); |
| 331 | MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime); |
| 332 | MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries); |
| 333 | MESHPARAMS_ADD(path_refresh_time); |
| 334 | MESHPARAMS_ADD(min_discovery_timeout); |
| 335 | } |
| 336 | #endif |
| 337 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 338 | static void add_files(struct ieee80211_sub_if_data *sdata) |
| 339 | { |
| 340 | if (!sdata->debugfsdir) |
| 341 | return; |
| 342 | |
Johannes Berg | 51fb61e | 2007-12-19 01:31:27 +0100 | [diff] [blame] | 343 | switch (sdata->vif.type) { |
Luis Carlos Cobo | 9f42f60 | 2008-02-23 15:17:16 +0100 | [diff] [blame] | 344 | case IEEE80211_IF_TYPE_MESH_POINT: |
| 345 | #ifdef CONFIG_MAC80211_MESH |
| 346 | add_mesh_stats(sdata); |
| 347 | add_mesh_config(sdata); |
| 348 | #endif |
| 349 | /* fall through */ |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 350 | case IEEE80211_IF_TYPE_STA: |
| 351 | case IEEE80211_IF_TYPE_IBSS: |
| 352 | add_sta_files(sdata); |
| 353 | break; |
| 354 | case IEEE80211_IF_TYPE_AP: |
| 355 | add_ap_files(sdata); |
| 356 | break; |
| 357 | case IEEE80211_IF_TYPE_WDS: |
| 358 | add_wds_files(sdata); |
| 359 | break; |
| 360 | case IEEE80211_IF_TYPE_MNTR: |
| 361 | add_monitor_files(sdata); |
| 362 | break; |
| 363 | case IEEE80211_IF_TYPE_VLAN: |
| 364 | add_vlan_files(sdata); |
| 365 | break; |
| 366 | default: |
| 367 | break; |
| 368 | } |
| 369 | } |
| 370 | |
Zhu Yi | 21887b2 | 2007-07-27 15:43:23 +0200 | [diff] [blame] | 371 | #define DEBUGFS_DEL(name, type) \ |
| 372 | do { \ |
| 373 | debugfs_remove(sdata->debugfs.type.name); \ |
| 374 | sdata->debugfs.type.name = NULL; \ |
| 375 | } while (0) |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 376 | |
| 377 | static void del_sta_files(struct ieee80211_sub_if_data *sdata) |
| 378 | { |
| 379 | DEBUGFS_DEL(channel_use, sta); |
| 380 | DEBUGFS_DEL(drop_unencrypted, sta); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 381 | DEBUGFS_DEL(state, sta); |
| 382 | DEBUGFS_DEL(bssid, sta); |
| 383 | DEBUGFS_DEL(prev_bssid, sta); |
| 384 | DEBUGFS_DEL(ssid_len, sta); |
| 385 | DEBUGFS_DEL(aid, sta); |
| 386 | DEBUGFS_DEL(ap_capab, sta); |
| 387 | DEBUGFS_DEL(capab, sta); |
| 388 | DEBUGFS_DEL(extra_ie_len, sta); |
| 389 | DEBUGFS_DEL(auth_tries, sta); |
| 390 | DEBUGFS_DEL(assoc_tries, sta); |
| 391 | DEBUGFS_DEL(auth_algs, sta); |
| 392 | DEBUGFS_DEL(auth_alg, sta); |
| 393 | DEBUGFS_DEL(auth_transaction, sta); |
| 394 | DEBUGFS_DEL(flags, sta); |
Luis Carlos Cobo | 9f42f60 | 2008-02-23 15:17:16 +0100 | [diff] [blame] | 395 | DEBUGFS_DEL(num_beacons_sta, sta); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 396 | } |
| 397 | |
| 398 | static void del_ap_files(struct ieee80211_sub_if_data *sdata) |
| 399 | { |
| 400 | DEBUGFS_DEL(channel_use, ap); |
| 401 | DEBUGFS_DEL(drop_unencrypted, ap); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 402 | DEBUGFS_DEL(num_sta_ps, ap); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 403 | DEBUGFS_DEL(dtim_count, ap); |
| 404 | DEBUGFS_DEL(num_beacons, ap); |
| 405 | DEBUGFS_DEL(force_unicast_rateidx, ap); |
| 406 | DEBUGFS_DEL(max_ratectrl_rateidx, ap); |
| 407 | DEBUGFS_DEL(num_buffered_multicast, ap); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 408 | } |
| 409 | |
| 410 | static void del_wds_files(struct ieee80211_sub_if_data *sdata) |
| 411 | { |
| 412 | DEBUGFS_DEL(channel_use, wds); |
| 413 | DEBUGFS_DEL(drop_unencrypted, wds); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 414 | DEBUGFS_DEL(peer, wds); |
| 415 | } |
| 416 | |
| 417 | static void del_vlan_files(struct ieee80211_sub_if_data *sdata) |
| 418 | { |
| 419 | DEBUGFS_DEL(channel_use, vlan); |
| 420 | DEBUGFS_DEL(drop_unencrypted, vlan); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 421 | } |
| 422 | |
| 423 | static void del_monitor_files(struct ieee80211_sub_if_data *sdata) |
| 424 | { |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 425 | } |
| 426 | |
Luis Carlos Cobo | 9f42f60 | 2008-02-23 15:17:16 +0100 | [diff] [blame] | 427 | #ifdef CONFIG_MAC80211_MESH |
| 428 | #define MESHSTATS_DEL(name) \ |
| 429 | do { \ |
| 430 | debugfs_remove(sdata->mesh_stats.name); \ |
| 431 | sdata->mesh_stats.name = NULL; \ |
| 432 | } while (0) |
| 433 | |
| 434 | static void del_mesh_stats(struct ieee80211_sub_if_data *sdata) |
| 435 | { |
| 436 | MESHSTATS_DEL(fwded_frames); |
| 437 | MESHSTATS_DEL(dropped_frames_ttl); |
| 438 | MESHSTATS_DEL(dropped_frames_no_route); |
| 439 | MESHSTATS_DEL(estab_plinks); |
| 440 | debugfs_remove(sdata->mesh_stats_dir); |
| 441 | sdata->mesh_stats_dir = NULL; |
| 442 | } |
| 443 | |
| 444 | #define MESHPARAMS_DEL(name) \ |
| 445 | do { \ |
| 446 | debugfs_remove(sdata->mesh_config.name); \ |
| 447 | sdata->mesh_config.name = NULL; \ |
| 448 | } while (0) |
| 449 | |
| 450 | static void del_mesh_config(struct ieee80211_sub_if_data *sdata) |
| 451 | { |
| 452 | MESHPARAMS_DEL(dot11MeshMaxRetries); |
| 453 | MESHPARAMS_DEL(dot11MeshRetryTimeout); |
| 454 | MESHPARAMS_DEL(dot11MeshConfirmTimeout); |
| 455 | MESHPARAMS_DEL(dot11MeshHoldingTimeout); |
| 456 | MESHPARAMS_DEL(dot11MeshTTL); |
| 457 | MESHPARAMS_DEL(auto_open_plinks); |
| 458 | MESHPARAMS_DEL(dot11MeshMaxPeerLinks); |
| 459 | MESHPARAMS_DEL(dot11MeshHWMPactivePathTimeout); |
| 460 | MESHPARAMS_DEL(dot11MeshHWMPpreqMinInterval); |
| 461 | MESHPARAMS_DEL(dot11MeshHWMPnetDiameterTraversalTime); |
| 462 | MESHPARAMS_DEL(dot11MeshHWMPmaxPREQretries); |
| 463 | MESHPARAMS_DEL(path_refresh_time); |
| 464 | MESHPARAMS_DEL(min_discovery_timeout); |
| 465 | debugfs_remove(sdata->mesh_config_dir); |
| 466 | sdata->mesh_config_dir = NULL; |
| 467 | } |
| 468 | #endif |
| 469 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 470 | static void del_files(struct ieee80211_sub_if_data *sdata, int type) |
| 471 | { |
| 472 | if (!sdata->debugfsdir) |
| 473 | return; |
| 474 | |
| 475 | switch (type) { |
Luis Carlos Cobo | 9f42f60 | 2008-02-23 15:17:16 +0100 | [diff] [blame] | 476 | case IEEE80211_IF_TYPE_MESH_POINT: |
| 477 | #ifdef CONFIG_MAC80211_MESH |
| 478 | del_mesh_stats(sdata); |
| 479 | del_mesh_config(sdata); |
| 480 | #endif |
| 481 | /* fall through */ |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 482 | case IEEE80211_IF_TYPE_STA: |
| 483 | case IEEE80211_IF_TYPE_IBSS: |
| 484 | del_sta_files(sdata); |
| 485 | break; |
| 486 | case IEEE80211_IF_TYPE_AP: |
| 487 | del_ap_files(sdata); |
| 488 | break; |
| 489 | case IEEE80211_IF_TYPE_WDS: |
| 490 | del_wds_files(sdata); |
| 491 | break; |
| 492 | case IEEE80211_IF_TYPE_MNTR: |
| 493 | del_monitor_files(sdata); |
| 494 | break; |
| 495 | case IEEE80211_IF_TYPE_VLAN: |
| 496 | del_vlan_files(sdata); |
| 497 | break; |
| 498 | default: |
| 499 | break; |
| 500 | } |
| 501 | } |
| 502 | |
| 503 | static int notif_registered; |
| 504 | |
| 505 | void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata) |
| 506 | { |
| 507 | char buf[10+IFNAMSIZ]; |
| 508 | |
| 509 | if (!notif_registered) |
| 510 | return; |
| 511 | |
| 512 | sprintf(buf, "netdev:%s", sdata->dev->name); |
| 513 | sdata->debugfsdir = debugfs_create_dir(buf, |
| 514 | sdata->local->hw.wiphy->debugfsdir); |
| 515 | } |
| 516 | |
| 517 | void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata) |
| 518 | { |
Johannes Berg | 51fb61e | 2007-12-19 01:31:27 +0100 | [diff] [blame] | 519 | del_files(sdata, sdata->vif.type); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 520 | debugfs_remove(sdata->debugfsdir); |
| 521 | sdata->debugfsdir = NULL; |
| 522 | } |
| 523 | |
| 524 | void ieee80211_debugfs_change_if_type(struct ieee80211_sub_if_data *sdata, |
| 525 | int oldtype) |
| 526 | { |
| 527 | del_files(sdata, oldtype); |
| 528 | add_files(sdata); |
| 529 | } |
| 530 | |
| 531 | static int netdev_notify(struct notifier_block * nb, |
| 532 | unsigned long state, |
| 533 | void *ndev) |
| 534 | { |
| 535 | struct net_device *dev = ndev; |
Johannes Berg | 7c8081e | 2007-06-21 18:30:19 +0200 | [diff] [blame] | 536 | struct dentry *dir; |
| 537 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 538 | char buf[10+IFNAMSIZ]; |
| 539 | |
| 540 | if (state != NETDEV_CHANGENAME) |
| 541 | return 0; |
| 542 | |
| 543 | if (!dev->ieee80211_ptr || !dev->ieee80211_ptr->wiphy) |
| 544 | return 0; |
| 545 | |
| 546 | if (dev->ieee80211_ptr->wiphy->privid != mac80211_wiphy_privid) |
| 547 | return 0; |
| 548 | |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 549 | sprintf(buf, "netdev:%s", dev->name); |
Johannes Berg | 7c8081e | 2007-06-21 18:30:19 +0200 | [diff] [blame] | 550 | dir = sdata->debugfsdir; |
| 551 | if (!debugfs_rename(dir->d_parent, dir, dir->d_parent, buf)) |
| 552 | printk(KERN_ERR "mac80211: debugfs: failed to rename debugfs " |
| 553 | "dir to %s\n", buf); |
Jiri Benc | e9f207f | 2007-05-05 11:46:38 -0700 | [diff] [blame] | 554 | |
| 555 | return 0; |
| 556 | } |
| 557 | |
| 558 | static struct notifier_block mac80211_debugfs_netdev_notifier = { |
| 559 | .notifier_call = netdev_notify, |
| 560 | }; |
| 561 | |
| 562 | void ieee80211_debugfs_netdev_init(void) |
| 563 | { |
| 564 | int err; |
| 565 | |
| 566 | err = register_netdevice_notifier(&mac80211_debugfs_netdev_notifier); |
| 567 | if (err) { |
| 568 | printk(KERN_ERR |
| 569 | "mac80211: failed to install netdev notifier," |
| 570 | " disabling per-netdev debugfs!\n"); |
| 571 | } else |
| 572 | notif_registered = 1; |
| 573 | } |
| 574 | |
| 575 | void ieee80211_debugfs_netdev_exit(void) |
| 576 | { |
| 577 | unregister_netdevice_notifier(&mac80211_debugfs_netdev_notifier); |
| 578 | notif_registered = 0; |
| 579 | } |