/* * 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"#include "driver-ops.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 >= 0) 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_LHEX(name, field) \ IEEE80211_IF_FMT(name, field, "%#lx\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, \ .llseek = generic_file_llseek, \} #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);IEEE80211_IF_FILE(flags, flags, HEX);IEEE80211_IF_FILE(state, state, LHEX);IEEE80211_IF_FILE(channel_type, vif.bss_conf.channel_type, DEC); /* 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(&sdata->u.mgd.mtx); err = __ieee80211_request_smps(sdata, smps_mode); mutex_unlock(&sdata->u.mgd.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); static ssize_t ieee80211_if_fmt_tkip_mic_test( const struct ieee80211_sub_if_data *sdata, char *buf, int buflen){ return -EOPNOTSUPP;} static int hwaddr_aton(const char *txt, u8 *addr){ int i; for (i = 0; i < ETH_ALEN; i++) { int a, b; a = hex_to_bin(*txt++); if (a < 0) return -1; b = hex_to_bin(*txt++); if (b < 0) return -1; *addr++ = (a << 4) | b; if (i < 5 && *txt++ != ':') return -1; } return 0;} static ssize_t ieee80211_if_parse_tkip_mic_test( struct ieee80211_sub_if_data *sdata, const char *buf, int buflen){ struct ieee80211_local *local = sdata->local; u8 addr[ETH_ALEN]; struct sk_buff *skb; struct ieee80211_hdr *hdr; __le16 fc; /* * Assume colon-delimited MAC address with possible white space * following. */ if (buflen < 3 * ETH_ALEN - 1) return -EINVAL; if (hwaddr_aton(buf, addr) < 0) return -EINVAL; if (!ieee80211_sdata_running(sdata)) return -ENOTCONN; skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100); if (!skb) return -ENOMEM; skb_reserve(skb, local->hw.extra_tx_headroom); hdr = (struct ieee80211_hdr *) skb_put(skb, 24); memset(hdr, 0, 24); fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA); switch (sdata->vif.type) { case NL80211_IFTYPE_AP: fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); /* DA BSSID SA */ memcpy(hdr->addr1, addr, ETH_ALEN); memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN); break; case NL80211_IFTYPE_STATION: fc |= cpu_to_le16(IEEE80211_FCTL_TODS); /* BSSID SA DA */ if (sdata->vif.bss_conf.bssid == NULL) { dev_kfree_skb(skb); return -ENOTCONN; } memcpy(hdr->addr1, sdata->vif.bss_conf.bssid, ETH_ALEN); memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); memcpy(hdr->addr3, addr, ETH_ALEN); break; default: dev_kfree_skb(skb); return -EOPNOTSUPP; } hdr->frame_control = fc; /* * Add some length to the test frame to make it look bit more valid. * The exact contents does not matter since the recipient is required * to drop this because of the Michael MIC failure. */ memset(skb_put(skb, 50), 0, 50); IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE; ieee80211_tx_skb(sdata, skb); return buflen;} __IEEE80211_IF_FILE_W(tkip_mic_test); /* 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); /* IBSS attributes */static ssize_t ieee80211_if_fmt_tsf( const struct ieee80211_sub_if_data *sdata, char *buf, int buflen){ struct ieee80211_local *local = sdata->local; u64 tsf; tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata); return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf);} static ssize_t ieee80211_if_parse_tsf( struct ieee80211_sub_if_data *sdata, const char *buf, int buflen){ struct ieee80211_local *local = sdata->local; unsigned long long tsf; int ret; if (strncmp(buf, "reset", 5) == 0) { if (local->ops->reset_tsf) { drv_reset_tsf(local, sdata); wiphy_info(local->hw.wiphy, "debugfs reset TSF\n"); } } else { ret = kstrtoull(buf, 10, &tsf); if (ret < 0) return -EINVAL; if (local->ops->set_tsf) { drv_set_tsf(local, sdata, tsf); wiphy_info(local->hw.wiphy, "debugfs set TSF to %#018llx\n", tsf); } } return buflen;}__IEEE80211_IF_FILE_W(tsf); /* 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_congestion, u.mesh.mshstats.dropped_frames_congestion, 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(element_ttl, u.mesh.mshcfg.element_ttl, 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);IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol, u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);IEEE80211_IF_FILE(dot11MeshHWMPRannInterval, u.mesh.mshcfg.dot11MeshHWMPRannInterval, 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(flags); DEBUGFS_ADD(state); DEBUGFS_ADD(channel_type); 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); DEBUGFS_ADD_MODE(tkip_mic_test, 0200);} static void add_ap_files(struct ieee80211_sub_if_data *sdata){ DEBUGFS_ADD(drop_unencrypted); DEBUGFS_ADD(flags); DEBUGFS_ADD(state); DEBUGFS_ADD(channel_type); 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); DEBUGFS_ADD_MODE(tkip_mic_test, 0200);} static void add_ibss_files(struct ieee80211_sub_if_data *sdata){ DEBUGFS_ADD_MODE(tsf, 0600);} static void add_wds_files(struct ieee80211_sub_if_data *sdata){ DEBUGFS_ADD(drop_unencrypted); DEBUGFS_ADD(flags); DEBUGFS_ADD(state); DEBUGFS_ADD(channel_type); 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(flags); DEBUGFS_ADD(state); DEBUGFS_ADD(channel_type); DEBUGFS_ADD(rc_rateidx_mask_2ghz); DEBUGFS_ADD(rc_rateidx_mask_5ghz);} static void add_monitor_files(struct ieee80211_sub_if_data *sdata){ DEBUGFS_ADD(flags); DEBUGFS_ADD(state); DEBUGFS_ADD(channel_type);} #ifdef CONFIG_MAC80211_MESH Lines 1–500 of 619. 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/* * 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" #include "driver-ops.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 >= 0) 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_LHEX(name, field) \ IEEE80211_IF_FMT(name, field, "%#lx\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, \ .llseek = generic_file_llseek, \ } #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); IEEE80211_IF_FILE(flags, flags, HEX); IEEE80211_IF_FILE(state, state, LHEX); IEEE80211_IF_FILE(channel_type, vif.bss_conf.channel_type, DEC); /* 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(&sdata->u.mgd.mtx); err = __ieee80211_request_smps(sdata, smps_mode); mutex_unlock(&sdata->u.mgd.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); static ssize_t ieee80211_if_fmt_tkip_mic_test( const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) { return -EOPNOTSUPP; } static int hwaddr_aton(const char *txt, u8 *addr) { int i; for (i = 0; i < ETH_ALEN; i++) { int a, b; a = hex_to_bin(*txt++); if (a < 0) return -1; b = hex_to_bin(*txt++); if (b < 0) return -1; *addr++ = (a << 4) | b; if (i < 5 && *txt++ != ':') return -1; } return 0; } static ssize_t ieee80211_if_parse_tkip_mic_test( struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) { struct ieee80211_local *local = sdata->local; u8 addr[ETH_ALEN]; struct sk_buff *skb; struct ieee80211_hdr *hdr; __le16 fc; /* * Assume colon-delimited MAC address with possible white space * following. */ if (buflen < 3 * ETH_ALEN - 1) return -EINVAL; if (hwaddr_aton(buf, addr) < 0) return -EINVAL; if (!ieee80211_sdata_running(sdata)) return -ENOTCONN; skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24 + 100); if (!skb) return -ENOMEM; skb_reserve(skb, local->hw.extra_tx_headroom); hdr = (struct ieee80211_hdr *) skb_put(skb, 24); memset(hdr, 0, 24); fc = cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA); switch (sdata->vif.type) { case NL80211_IFTYPE_AP: fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); /* DA BSSID SA */ memcpy(hdr->addr1, addr, ETH_ALEN); memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); memcpy(hdr->addr3, sdata->vif.addr, ETH_ALEN); break; case NL80211_IFTYPE_STATION: fc |= cpu_to_le16(IEEE80211_FCTL_TODS); /* BSSID SA DA */ if (sdata->vif.bss_conf.bssid == NULL) { dev_kfree_skb(skb); return -ENOTCONN; } memcpy(hdr->addr1, sdata->vif.bss_conf.bssid, ETH_ALEN); memcpy(hdr->addr2, sdata->vif.addr, ETH_ALEN); memcpy(hdr->addr3, addr, ETH_ALEN); break; default: dev_kfree_skb(skb); return -EOPNOTSUPP; } hdr->frame_control = fc; /* * Add some length to the test frame to make it look bit more valid. * The exact contents does not matter since the recipient is required * to drop this because of the Michael MIC failure. */ memset(skb_put(skb, 50), 0, 50); IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_TKIP_MIC_FAILURE; ieee80211_tx_skb(sdata, skb); return buflen; } __IEEE80211_IF_FILE_W(tkip_mic_test); /* 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); /* IBSS attributes */ static ssize_t ieee80211_if_fmt_tsf( const struct ieee80211_sub_if_data *sdata, char *buf, int buflen) { struct ieee80211_local *local = sdata->local; u64 tsf; tsf = drv_get_tsf(local, (struct ieee80211_sub_if_data *)sdata); return scnprintf(buf, buflen, "0x%016llx\n", (unsigned long long) tsf); } static ssize_t ieee80211_if_parse_tsf( struct ieee80211_sub_if_data *sdata, const char *buf, int buflen) { struct ieee80211_local *local = sdata->local; unsigned long long tsf; int ret; if (strncmp(buf, "reset", 5) == 0) { if (local->ops->reset_tsf) { drv_reset_tsf(local, sdata); wiphy_info(local->hw.wiphy, "debugfs reset TSF\n"); } } else { ret = kstrtoull(buf, 10, &tsf); if (ret < 0) return -EINVAL; if (local->ops->set_tsf) { drv_set_tsf(local, sdata, tsf); wiphy_info(local->hw.wiphy, "debugfs set TSF to %#018llx\n", tsf); } } return buflen; } __IEEE80211_IF_FILE_W(tsf); /* 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_congestion, u.mesh.mshstats.dropped_frames_congestion, 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(element_ttl, u.mesh.mshcfg.element_ttl, 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); IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol, u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC); IEEE80211_IF_FILE(dot11MeshHWMPRannInterval, u.mesh.mshcfg.dot11MeshHWMPRannInterval, 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(flags); DEBUGFS_ADD(state); DEBUGFS_ADD(channel_type); 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); DEBUGFS_ADD_MODE(tkip_mic_test, 0200); } static void add_ap_files(struct ieee80211_sub_if_data *sdata) { DEBUGFS_ADD(drop_unencrypted); DEBUGFS_ADD(flags); DEBUGFS_ADD(state); DEBUGFS_ADD(channel_type); 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); DEBUGFS_ADD_MODE(tkip_mic_test, 0200); } static void add_ibss_files(struct ieee80211_sub_if_data *sdata) { DEBUGFS_ADD_MODE(tsf, 0600); } static void add_wds_files(struct ieee80211_sub_if_data *sdata) { DEBUGFS_ADD(drop_unencrypted); DEBUGFS_ADD(flags); DEBUGFS_ADD(state); DEBUGFS_ADD(channel_type); 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(flags); DEBUGFS_ADD(state); DEBUGFS_ADD(channel_type); DEBUGFS_ADD(rc_rateidx_mask_2ghz); DEBUGFS_ADD(rc_rateidx_mask_5ghz); } static void add_monitor_files(struct ieee80211_sub_if_data *sdata) { DEBUGFS_ADD(flags); DEBUGFS_ADD(state); DEBUGFS_ADD(channel_type); } #ifdef CONFIG_MAC80211_MESH