Something went wrong. Try again.
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Something went wrong. Try again.
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106// SPDX-License-Identifier: GPL-2.0-only/* * Copyright (c) 2006 Jiri Benc <jbenc@suse.cz> * Copyright 2007 Johannes Berg <johannes@sipsolutions.net> * Copyright (C) 2020-2023 Intel Corporation */
#include <linux/kernel.h>#include <linux/device.h>#include <linux/hex.h>#include <linux/if.h>#include <linux/if_ether.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"
struct ieee80211_if_read_sdata_data { ssize_t (*format)(const struct ieee80211_sub_if_data *, char *, int); struct ieee80211_sub_if_data *sdata;};
static ssize_t ieee80211_if_read_sdata_handler(struct wiphy *wiphy, struct file *file, char *buf, size_t bufsize, void *data){ struct ieee80211_if_read_sdata_data *d = data;
return d->format(d->sdata, buf, bufsize);}
static ssize_t ieee80211_if_read_sdata( struct file *file, char __user *userbuf, size_t count, loff_t *ppos, ssize_t (*format)(const struct ieee80211_sub_if_data *sdata, char *, int)){ struct ieee80211_sub_if_data *sdata = file->private_data; struct ieee80211_if_read_sdata_data data = { .format = format, .sdata = sdata, }; char buf[200];
return wiphy_locked_debugfs_read(sdata->local->hw.wiphy, file, buf, sizeof(buf), userbuf, count, ppos, ieee80211_if_read_sdata_handler, &data);}
struct ieee80211_if_write_sdata_data { ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int); struct ieee80211_sub_if_data *sdata;};
static ssize_t ieee80211_if_write_sdata_handler(struct wiphy *wiphy, struct file *file, char *buf, size_t count, void *data){ struct ieee80211_if_write_sdata_data *d = data;
return d->write(d->sdata, buf, count);}
static ssize_t ieee80211_if_write_sdata( struct file *file, const char __user *userbuf, size_t count, loff_t *ppos, ssize_t (*write)(struct ieee80211_sub_if_data *sdata, const char *, int)){ struct ieee80211_sub_if_data *sdata = file->private_data; struct ieee80211_if_write_sdata_data data = { .write = write, .sdata = sdata, }; char buf[64];
return wiphy_locked_debugfs_write(sdata->local->hw.wiphy, file, buf, sizeof(buf), userbuf, count, ieee80211_if_write_sdata_handler, &data);}
struct ieee80211_if_read_link_data { ssize_t (*format)(const struct ieee80211_link_data *, char *, int); struct ieee80211_link_data *link;};
static ssize_t ieee80211_if_read_link_handler(struct wiphy *wiphy, struct file *file, char *buf, size_t bufsize, void *data){ struct ieee80211_if_read_link_data *d = data;
return d->format(d->link, buf, bufsize);}
static ssize_t ieee80211_if_read_link( struct file *file, char __user *userbuf, size_t count, loff_t *ppos, ssize_t (*format)(const struct ieee80211_link_data *link, char *, int)){ struct ieee80211_link_data *link = file->private_data; struct ieee80211_if_read_link_data data = { .format = format, .link = link, }; char buf[200];
return wiphy_locked_debugfs_read(link->sdata->local->hw.wiphy, file, buf, sizeof(buf), userbuf, count, ppos, ieee80211_if_read_link_handler, &data);}
struct ieee80211_if_write_link_data { ssize_t (*write)(struct ieee80211_link_data *, const char *, int); struct ieee80211_link_data *link;};
static ssize_t ieee80211_if_write_link_handler(struct wiphy *wiphy, struct file *file, char *buf, size_t count, void *data){ struct ieee80211_if_write_sdata_data *d = data;
return d->write(d->sdata, buf, count);}
static ssize_t ieee80211_if_write_link( struct file *file, const char __user *userbuf, size_t count, loff_t *ppos, ssize_t (*write)(struct ieee80211_link_data *link, const char *, int)){ struct ieee80211_link_data *link = file->private_data; struct ieee80211_if_write_link_data data = { .write = write, .link = link, }; char buf[64];
return wiphy_locked_debugfs_write(link->sdata->local->hw.wiphy, file, buf, sizeof(buf), userbuf, count, ieee80211_if_write_link_handler, &data);}
#define IEEE80211_IF_FMT(name, type, field, format_string) \static ssize_t ieee80211_if_fmt_##name( \ const type *data, char *buf, \ int buflen) \{ \ return scnprintf(buf, buflen, format_string, data->field); \}#define IEEE80211_IF_FMT_DEC(name, type, field) \ IEEE80211_IF_FMT(name, type, field, "%d\n")#define IEEE80211_IF_FMT_HEX(name, type, field) \ IEEE80211_IF_FMT(name, type, field, "%#x\n")#define IEEE80211_IF_FMT_LHEX(name, type, field) \ IEEE80211_IF_FMT(name, type, field, "%#lx\n")
#define IEEE80211_IF_FMT_HEXARRAY(name, type, field) \static ssize_t ieee80211_if_fmt_##name( \ const type *data, \ char *buf, int buflen) \{ \ char *p = buf; \ int i; \ for (i = 0; i < sizeof(data->field); i++) { \ p += scnprintf(p, buflen + buf - p, "%.2x ", \ data->field[i]); \ } \ p += scnprintf(p, buflen + buf - p, "\n"); \ return p - buf; \}
#define IEEE80211_IF_FMT_ATOMIC(name, type, field) \static ssize_t ieee80211_if_fmt_##name( \ const type *data, \ char *buf, int buflen) \{ \ return scnprintf(buf, buflen, "%d\n", atomic_read(&data->field));\}
#define IEEE80211_IF_FMT_MAC(name, type, field) \static ssize_t ieee80211_if_fmt_##name( \ const type *data, char *buf, \ int buflen) \{ \ return scnprintf(buf, buflen, "%pM\n", data->field); \}
#define IEEE80211_IF_FMT_JIFFIES_TO_MS(name, type, field) \static ssize_t ieee80211_if_fmt_##name( \ const type *data, \ char *buf, int buflen) \{ \ return scnprintf(buf, buflen, "%d\n", \ jiffies_to_msecs(data->field)); \}
#define _IEEE80211_IF_FILE_OPS(name, _read, _write) \static const struct debugfs_short_fops name##_ops = { \ .read = (_read), \ .write = (_write), \ .llseek = generic_file_llseek, \}
#define _IEEE80211_IF_FILE_R_FN(name) \static ssize_t ieee80211_if_read_##name(struct file *file, \ char __user *userbuf, \ size_t count, loff_t *ppos) \{ \ return ieee80211_if_read_sdata(file, \ userbuf, count, ppos, \ ieee80211_if_fmt_##name); \}
#define _IEEE80211_IF_FILE_W_FN(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_sdata(file, userbuf, \ count, ppos, \ ieee80211_if_parse_##name); \}
#define IEEE80211_IF_FILE_R(name) \ _IEEE80211_IF_FILE_R_FN(name) \ _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, NULL)
#define IEEE80211_IF_FILE_W(name) \ _IEEE80211_IF_FILE_W_FN(name) \ _IEEE80211_IF_FILE_OPS(name, NULL, ieee80211_if_write_##name)
#define IEEE80211_IF_FILE_RW(name) \ _IEEE80211_IF_FILE_R_FN(name) \ _IEEE80211_IF_FILE_W_FN(name) \ _IEEE80211_IF_FILE_OPS(name, ieee80211_if_read_##name, \ ieee80211_if_write_##name)
#define IEEE80211_IF_FILE(name, field, format) \ IEEE80211_IF_FMT_##format(name, struct ieee80211_sub_if_data, field) \ IEEE80211_IF_FILE_R(name)
#define _IEEE80211_IF_LINK_R_FN(name) \static ssize_t ieee80211_if_read_##name(struct file *file, \ char __user *userbuf, \ size_t count, loff_t *ppos) \{ \ return ieee80211_if_read_link(file, \ userbuf, count, ppos, \ ieee80211_if_fmt_##name); \}
#define _IEEE80211_IF_LINK_W_FN(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_link(file, userbuf, \ count, ppos, \ ieee80211_if_parse_##name); \}
#define IEEE80211_IF_LINK_FILE_R(name) \ _IEEE80211_IF_LINK_R_FN(name) \ _IEEE80211_IF_FILE_OPS(link_##name, ieee80211_if_read_##name, NULL)
#define IEEE80211_IF_LINK_FILE_W(name) \ _IEEE80211_IF_LINK_W_FN(name) \ _IEEE80211_IF_FILE_OPS(link_##name, NULL, ieee80211_if_write_##name)
#define IEEE80211_IF_LINK_FILE_RW(name) \ _IEEE80211_IF_LINK_R_FN(name) \ _IEEE80211_IF_LINK_W_FN(name) \ _IEEE80211_IF_FILE_OPS(link_##name, ieee80211_if_read_##name, \ ieee80211_if_write_##name)
#define IEEE80211_IF_LINK_FILE(name, field, format) \ IEEE80211_IF_FMT_##format(name, struct ieee80211_link_data, field) \ IEEE80211_IF_LINK_FILE_R(name)
/* common attributes */IEEE80211_IF_FILE(rc_rateidx_mask_2ghz, rc_rateidx_mask[NL80211_BAND_2GHZ], HEX);IEEE80211_IF_FILE(rc_rateidx_mask_5ghz, rc_rateidx_mask[NL80211_BAND_5GHZ], HEX);IEEE80211_IF_FILE(rc_rateidx_mcs_mask_2ghz, rc_rateidx_mcs_mask[NL80211_BAND_2GHZ], HEXARRAY);IEEE80211_IF_FILE(rc_rateidx_mcs_mask_5ghz, rc_rateidx_mcs_mask[NL80211_BAND_5GHZ], HEXARRAY);
static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_2ghz( const struct ieee80211_sub_if_data *sdata, char *buf, int buflen){ int i, len = 0; const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_2GHZ];
for (i = 0; i < NL80211_VHT_NSS_MAX; i++) len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]); len += scnprintf(buf + len, buflen - len, "\n");
return len;}
IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_2ghz);
static ssize_t ieee80211_if_fmt_rc_rateidx_vht_mcs_mask_5ghz( const struct ieee80211_sub_if_data *sdata, char *buf, int buflen){ int i, len = 0; const u16 *mask = sdata->rc_rateidx_vht_mcs_mask[NL80211_BAND_5GHZ];
for (i = 0; i < NL80211_VHT_NSS_MAX; i++) len += scnprintf(buf + len, buflen - len, "%04x ", mask[i]); len += scnprintf(buf + len, buflen - len, "\n");
return len;}
IEEE80211_IF_FILE_R(rc_rateidx_vht_mcs_mask_5ghz);
IEEE80211_IF_FILE(flags, flags, HEX);IEEE80211_IF_FILE(state, state, LHEX);IEEE80211_IF_LINK_FILE(txpower, conf->txpower, DEC);IEEE80211_IF_LINK_FILE(ap_power_level, ap_power_level, DEC);IEEE80211_IF_LINK_FILE(user_power_level, user_power_level, DEC);
static ssize_tieee80211_if_fmt_hw_queues(const struct ieee80211_sub_if_data *sdata, char *buf, int buflen){ int len;
len = scnprintf(buf, buflen, "AC queues: VO:%d VI:%d BE:%d BK:%d\n", sdata->vif.hw_queue[IEEE80211_AC_VO], sdata->vif.hw_queue[IEEE80211_AC_VI], sdata->vif.hw_queue[IEEE80211_AC_BE], sdata->vif.hw_queue[IEEE80211_AC_BK]);
if (sdata->vif.type == NL80211_IFTYPE_AP) len += scnprintf(buf + len, buflen - len, "cab queue: %d\n", sdata->vif.cab_queue);
return len;}IEEE80211_IF_FILE_R(hw_queues);
/* STA attributes */IEEE80211_IF_FILE(bssid, deflink.u.mgd.bssid, MAC);IEEE80211_IF_FILE(aid, vif.cfg.aid, DEC);IEEE80211_IF_FILE(beacon_timeout, u.mgd.beacon_timeout, JIFFIES_TO_MS);
static int ieee80211_set_smps(struct ieee80211_link_data *link, enum ieee80211_smps_mode smps_mode){ struct ieee80211_sub_if_data *sdata = link->sdata; struct ieee80211_local *local = sdata->local;
/* The driver indicated that EML is enabled for the interface, thus do * not allow to override the SMPS state. */ if (sdata->vif.driver_flags & IEEE80211_VIF_EML_ACTIVE) return -EOPNOTSUPP;
if (!(local->hw.wiphy->features & NL80211_FEATURE_STATIC_SMPS) && smps_mode == IEEE80211_SMPS_STATIC) return -EINVAL;
/* auto should be dynamic if in PS mode */ if (!(local->hw.wiphy->features & NL80211_FEATURE_DYNAMIC_SMPS) && (smps_mode == IEEE80211_SMPS_DYNAMIC || smps_mode == IEEE80211_SMPS_AUTOMATIC)) return -EINVAL;
if (sdata->vif.type != NL80211_IFTYPE_STATION) return -EOPNOTSUPP;
return __ieee80211_request_smps_mgd(link->sdata, link, smps_mode);}
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_link_data *link, char *buf, int buflen){ if (link->sdata->vif.type == NL80211_IFTYPE_STATION) return snprintf(buf, buflen, "request: %s\nused: %s\n", smps_modes[link->u.mgd.req_smps], smps_modes[link->smps_mode]); return -EINVAL;}
static ssize_t ieee80211_if_parse_smps(struct ieee80211_link_data *link, 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(link, mode); if (!err) return buflen; return err; } }
return -EINVAL;}IEEE80211_IF_LINK_FILE_RW(smps);
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;
if (!mac_pton(buf, addr)) 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 = skb_put_zero(skb, 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->u.mgd.associated) { dev_kfree_skb(skb); return -ENOTCONN; } memcpy(hdr->addr1, sdata->deflink.u.mgd.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. */ skb_put_zero(skb, 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);
static ssize_t ieee80211_if_parse_beacon_loss( struct ieee80211_sub_if_data *sdata, const char *buf, int buflen){ if (!ieee80211_sdata_running(sdata) || !sdata->vif.cfg.assoc) return -ENOTCONN;
ieee80211_beacon_loss(&sdata->vif);
return buflen;}IEEE80211_IF_FILE_W(beacon_loss);
static ssize_t ieee80211_if_fmt_uapsd_queues( const struct ieee80211_sub_if_data *sdata, char *buf, int buflen){ const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_queues);}
static ssize_t ieee80211_if_parse_uapsd_queues( struct ieee80211_sub_if_data *sdata, const char *buf, int buflen){ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; u8 val; int ret;
ret = kstrtou8(buf, 0, &val); if (ret) return ret;
if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) return -ERANGE;
ifmgd->uapsd_queues = val;
return buflen;}IEEE80211_IF_FILE_RW(uapsd_queues);
static ssize_t ieee80211_if_fmt_uapsd_max_sp_len( const struct ieee80211_sub_if_data *sdata, char *buf, int buflen){ const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
return snprintf(buf, buflen, "0x%x\n", ifmgd->uapsd_max_sp_len);}
static ssize_t ieee80211_if_parse_uapsd_max_sp_len( struct ieee80211_sub_if_data *sdata, const char *buf, int buflen){ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; unsigned long val; int ret;
ret = kstrtoul(buf, 0, &val); if (ret) return -EINVAL;
if (val & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) return -ERANGE;
ifmgd->uapsd_max_sp_len = val;
return buflen;}IEEE80211_IF_FILE_RW(uapsd_max_sp_len);
static ssize_t ieee80211_if_fmt_tdls_wider_bw( const struct ieee80211_sub_if_data *sdata, char *buf, int buflen){ const struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; bool tdls_wider_bw;
tdls_wider_bw = ieee80211_hw_check(&sdata->local->hw, TDLS_WIDER_BW) && !ifmgd->tdls_wider_bw_prohibited;
return snprintf(buf, buflen, "%d\n", tdls_wider_bw);}
static ssize_t ieee80211_if_parse_tdls_wider_bw( struct ieee80211_sub_if_data *sdata, const char *buf, int buflen){ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; u8 val; int ret;
ret = kstrtou8(buf, 0, &val); if (ret) return ret;
ifmgd->tdls_wider_bw_prohibited = !val; return buflen;}IEEE80211_IF_FILE_RW(tdls_wider_bw);
/* AP attributes */IEEE80211_IF_FILE(num_mcast_sta, u.ap.num_mcast_sta, ATOMIC);IEEE80211_IF_FILE(num_sta_ps, u.ap.ps.num_sta_ps, ATOMIC);IEEE80211_IF_FILE(dtim_count, u.ap.ps.dtim_count, DEC);IEEE80211_IF_FILE(num_mcast_sta_vlan, u.vlan.num_mcast_sta, ATOMIC);
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_R(num_buffered_multicast);
static ssize_t ieee80211_if_fmt_aqm( const struct ieee80211_sub_if_data *sdata, char *buf, int buflen){ struct ieee80211_local *local = sdata->local; struct txq_info *txqi; int len;
if (!sdata->vif.txq) return 0;
txqi = to_txq_info(sdata->vif.txq);
spin_lock_bh(&local->fq.lock);
len = scnprintf(buf, buflen, "ac backlog-bytes backlog-packets new-flows drops marks overlimit collisions tx-bytes tx-packets\n" "%u %u %u %u %u %u %u %u %u %u\n", txqi->txq.ac, txqi->tin.backlog_bytes, txqi->tin.backlog_packets, txqi->tin.flows, txqi->cstats.drop_count, txqi->cstats.ecn_mark, txqi->tin.overlimit, txqi->tin.collisions, txqi->tin.tx_bytes, txqi->tin.tx_packets);
spin_unlock_bh(&local->fq.lock);
return len;}IEEE80211_IF_FILE_R(aqm);
IEEE80211_IF_FILE(multicast_to_unicast, u.ap.multicast_to_unicast, HEX);
/* 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; int tsf_is_delta = 0;
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 { if (buflen > 10 && buf[1] == '=') { if (buf[0] == '+') tsf_is_delta = 1; else if (buf[0] == '-') tsf_is_delta = -1; else return -EINVAL; buf += 2; } ret = kstrtoull(buf, 10, &tsf); if (ret < 0) return ret; if (tsf_is_delta && local->ops->offset_tsf) { drv_offset_tsf(local, sdata, tsf_is_delta * tsf); wiphy_info(local->hw.wiphy, "debugfs offset TSF by %018lld\n", tsf_is_delta * tsf); } else if (local->ops->set_tsf) { if (tsf_is_delta) tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf; drv_set_tsf(local, sdata, tsf); wiphy_info(local->hw.wiphy, "debugfs set TSF to %#018llx\n", tsf); } }
ieee80211_recalc_dtim(sdata, drv_get_tsf(local, sdata)); return buflen;}IEEE80211_IF_FILE_RW(tsf);
static ssize_t ieee80211_if_fmt_valid_links(const struct ieee80211_sub_if_data *sdata, char *buf, int buflen){ return snprintf(buf, buflen, "0x%x\n", sdata->vif.valid_links);}IEEE80211_IF_FILE_R(valid_links);
static ssize_t ieee80211_if_fmt_active_links(const struct ieee80211_sub_if_data *sdata, char *buf, int buflen){ return snprintf(buf, buflen, "0x%x\n", sdata->vif.active_links);}
static ssize_t ieee80211_if_parse_active_links(struct ieee80211_sub_if_data *sdata, const char *buf, int buflen){ u16 active_links;
if (kstrtou16(buf, 0, &active_links) || !active_links) return -EINVAL;
return ieee80211_set_active_links(&sdata->vif, active_links) ?: buflen;}IEEE80211_IF_FILE_RW(active_links);
IEEE80211_IF_LINK_FILE(addr, conf->addr, MAC);
#ifdef CONFIG_MAC80211_MESHIEEE80211_IF_FILE(estab_plinks, u.mesh.estab_plinks, ATOMIC);
/* 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);
/* 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(dot11MeshHWMPperrMinInterval, u.mesh.mshcfg.dot11MeshHWMPperrMinInterval, 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);IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding, DEC);IEEE80211_IF_FILE(rssi_threshold, u.mesh.mshcfg.rssi_threshold, DEC);IEEE80211_IF_FILE(ht_opmode, u.mesh.mshcfg.ht_opmode, DEC);IEEE80211_IF_FILE(dot11MeshHWMPactivePathToRootTimeout, u.mesh.mshcfg.dot11MeshHWMPactivePathToRootTimeout, DEC);IEEE80211_IF_FILE(dot11MeshHWMProotInterval, u.mesh.mshcfg.dot11MeshHWMProotInterval, DEC);IEEE80211_IF_FILE(dot11MeshHWMPconfirmationInterval, u.mesh.mshcfg.dot11MeshHWMPconfirmationInterval, DEC);IEEE80211_IF_FILE(power_mode, u.mesh.mshcfg.power_mode, DEC);IEEE80211_IF_FILE(dot11MeshAwakeWindowDuration, u.mesh.mshcfg.dot11MeshAwakeWindowDuration, DEC);IEEE80211_IF_FILE(dot11MeshConnectedToMeshGate, u.mesh.mshcfg.dot11MeshConnectedToMeshGate, DEC);IEEE80211_IF_FILE(dot11MeshNolearn, u.mesh.mshcfg.dot11MeshNolearn, DEC);IEEE80211_IF_FILE(dot11MeshConnectedToAuthServer, u.mesh.mshcfg.dot11MeshConnectedToAuthServer, DEC);#endif
#define DEBUGFS_ADD_MODE(name, mode) \ debugfs_create_file(#name, mode, sdata->vif.debugfs_dir, \ sdata, &name##_ops)
#define DEBUGFS_ADD_X(_bits, _name, _mode) \ debugfs_create_x##_bits(#_name, _mode, sdata->vif.debugfs_dir, \ &sdata->vif._name)
#define DEBUGFS_ADD_X8(_name, _mode) \ DEBUGFS_ADD_X(8, _name, _mode)
#define DEBUGFS_ADD_X16(_name, _mode) \ DEBUGFS_ADD_X(16, _name, _mode)
#define DEBUGFS_ADD_X32(_name, _mode) \ DEBUGFS_ADD_X(32, _name, _mode)
#define DEBUGFS_ADD(name) DEBUGFS_ADD_MODE(name, 0400)
static void add_common_files(struct ieee80211_sub_if_data *sdata){ DEBUGFS_ADD(rc_rateidx_mask_2ghz); DEBUGFS_ADD(rc_rateidx_mask_5ghz); DEBUGFS_ADD(rc_rateidx_mcs_mask_2ghz); DEBUGFS_ADD(rc_rateidx_mcs_mask_5ghz); DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_2ghz); DEBUGFS_ADD(rc_rateidx_vht_mcs_mask_5ghz); DEBUGFS_ADD(hw_queues);
if (sdata->vif.type != NL80211_IFTYPE_P2P_DEVICE && sdata->vif.type != NL80211_IFTYPE_NAN) DEBUGFS_ADD(aqm);}
static void add_sta_files(struct ieee80211_sub_if_data *sdata){ DEBUGFS_ADD(bssid); DEBUGFS_ADD(aid); DEBUGFS_ADD(beacon_timeout); DEBUGFS_ADD_MODE(tkip_mic_test, 0200); DEBUGFS_ADD_MODE(beacon_loss, 0200); DEBUGFS_ADD_MODE(uapsd_queues, 0600); DEBUGFS_ADD_MODE(uapsd_max_sp_len, 0600); DEBUGFS_ADD_MODE(tdls_wider_bw, 0600); DEBUGFS_ADD_MODE(valid_links, 0400); DEBUGFS_ADD_MODE(active_links, 0600); DEBUGFS_ADD_X16(dormant_links, 0400);}
static void add_ap_files(struct ieee80211_sub_if_data *sdata){ DEBUGFS_ADD(num_mcast_sta); DEBUGFS_ADD(num_sta_ps); DEBUGFS_ADD(dtim_count); DEBUGFS_ADD(num_buffered_multicast); DEBUGFS_ADD_MODE(tkip_mic_test, 0200); DEBUGFS_ADD_MODE(multicast_to_unicast, 0600);}
static void add_vlan_files(struct ieee80211_sub_if_data *sdata){ /* add num_mcast_sta_vlan using name num_mcast_sta */ debugfs_create_file("num_mcast_sta", 0400, sdata->vif.debugfs_dir, sdata, &num_mcast_sta_vlan_ops);}
static void add_ibss_files(struct ieee80211_sub_if_data *sdata){ DEBUGFS_ADD_MODE(tsf, 0600);}
#ifdef CONFIG_MAC80211_MESH
static void add_mesh_files(struct ieee80211_sub_if_data *sdata){ DEBUGFS_ADD_MODE(tsf, 0600); DEBUGFS_ADD_MODE(estab_plinks, 0400);}
static void add_mesh_stats(struct ieee80211_sub_if_data *sdata){ struct dentry *dir = debugfs_create_dir("mesh_stats", sdata->vif.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);#undef MESHSTATS_ADD}
static void add_mesh_config(struct ieee80211_sub_if_data *sdata){ struct dentry *dir = debugfs_create_dir("mesh_config", sdata->vif.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(element_ttl); MESHPARAMS_ADD(auto_open_plinks); MESHPARAMS_ADD(dot11MeshMaxPeerLinks); MESHPARAMS_ADD(dot11MeshHWMPactivePathTimeout); MESHPARAMS_ADD(dot11MeshHWMPpreqMinInterval); MESHPARAMS_ADD(dot11MeshHWMPperrMinInterval); MESHPARAMS_ADD(dot11MeshHWMPnetDiameterTraversalTime); MESHPARAMS_ADD(dot11MeshHWMPmaxPREQretries); MESHPARAMS_ADD(path_refresh_time); MESHPARAMS_ADD(min_discovery_timeout); MESHPARAMS_ADD(dot11MeshHWMPRootMode); MESHPARAMS_ADD(dot11MeshHWMPRannInterval); MESHPARAMS_ADD(dot11MeshForwarding); MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol); MESHPARAMS_ADD(rssi_threshold); MESHPARAMS_ADD(ht_opmode); MESHPARAMS_ADD(dot11MeshHWMPactivePathToRootTimeout); MESHPARAMS_ADD(dot11MeshHWMProotInterval); MESHPARAMS_ADD(dot11MeshHWMPconfirmationInterval); MESHPARAMS_ADD(power_mode); MESHPARAMS_ADD(dot11MeshAwakeWindowDuration); MESHPARAMS_ADD(dot11MeshConnectedToMeshGate); MESHPARAMS_ADD(dot11MeshNolearn); MESHPARAMS_ADD(dot11MeshConnectedToAuthServer);#undef MESHPARAMS_ADD}#endif
static void add_files(struct ieee80211_sub_if_data *sdata){ if (!sdata->vif.debugfs_dir) return;
DEBUGFS_ADD(flags); DEBUGFS_ADD(state);
if (sdata->vif.type != NL80211_IFTYPE_MONITOR) add_common_files(sdata);
switch (sdata->vif.type) { case NL80211_IFTYPE_MESH_POINT:#ifdef CONFIG_MAC80211_MESH add_mesh_files(sdata); add_mesh_stats(sdata); add_mesh_config(sdata);#endif break; case NL80211_IFTYPE_STATION: add_sta_files(sdata); break; case NL80211_IFTYPE_ADHOC: add_ibss_files(sdata); break; case NL80211_IFTYPE_AP: add_ap_files(sdata); break; case NL80211_IFTYPE_AP_VLAN: add_vlan_files(sdata); break; default: break; }}
#undef DEBUGFS_ADD_MODE#undef DEBUGFS_ADD
#define DEBUGFS_ADD_MODE(dentry, name, mode) \ debugfs_create_file(#name, mode, dentry, \ link, &link_##name##_ops)
#define DEBUGFS_ADD(dentry, name) DEBUGFS_ADD_MODE(dentry, name, 0400)
static void add_link_files(struct ieee80211_link_data *link, struct dentry *dentry){ DEBUGFS_ADD(dentry, txpower); DEBUGFS_ADD(dentry, user_power_level); DEBUGFS_ADD(dentry, ap_power_level);
switch (link->sdata->vif.type) { case NL80211_IFTYPE_STATION: DEBUGFS_ADD_MODE(dentry, smps, 0600); break; default: break; }}
static void ieee80211_debugfs_add_netdev(struct ieee80211_sub_if_data *sdata, bool mld_vif){ char buf[10+IFNAMSIZ];
sprintf(buf, "netdev:%s", sdata->name); sdata->vif.debugfs_dir = debugfs_create_dir(buf, sdata->local->hw.wiphy->debugfsdir); /* deflink also has this */ sdata->deflink.debugfs_dir = sdata->vif.debugfs_dir; sdata->debugfs.subdir_stations = debugfs_create_dir("stations", sdata->vif.debugfs_dir); add_files(sdata); if (!mld_vif) add_link_files(&sdata->deflink, sdata->vif.debugfs_dir);}
void ieee80211_debugfs_remove_netdev(struct ieee80211_sub_if_data *sdata){ if (!sdata->vif.debugfs_dir) return;
debugfs_remove_recursive(sdata->vif.debugfs_dir); sdata->vif.debugfs_dir = NULL; sdata->debugfs.subdir_stations = NULL;}
void ieee80211_debugfs_rename_netdev(struct ieee80211_sub_if_data *sdata){ debugfs_change_name(sdata->vif.debugfs_dir, "netdev:%s", sdata->name);}
void ieee80211_debugfs_recreate_netdev(struct ieee80211_sub_if_data *sdata, bool mld_vif){ ieee80211_debugfs_remove_netdev(sdata); ieee80211_debugfs_add_netdev(sdata, mld_vif);
if (sdata->flags & IEEE80211_SDATA_IN_DRIVER) { drv_vif_add_debugfs(sdata->local, sdata); if (!mld_vif) ieee80211_link_debugfs_drv_add(&sdata->deflink); }}
void ieee80211_link_debugfs_add(struct ieee80211_link_data *link){ char link_dir_name[10];
if (WARN_ON(!link->sdata->vif.debugfs_dir || link->debugfs_dir)) return;
/* For now, this should not be called for non-MLO capable drivers */ if (WARN_ON(!(link->sdata->local->hw.wiphy->flags & WIPHY_FLAG_SUPPORTS_MLO))) return;
snprintf(link_dir_name, sizeof(link_dir_name), "link-%d", link->link_id);
link->debugfs_dir = debugfs_create_dir(link_dir_name, link->sdata->vif.debugfs_dir);
DEBUGFS_ADD(link->debugfs_dir, addr); add_link_files(link, link->debugfs_dir);}
void ieee80211_link_debugfs_remove(struct ieee80211_link_data *link){ if (!link->sdata->vif.debugfs_dir || !link->debugfs_dir) { link->debugfs_dir = NULL; return; }
if (link->debugfs_dir == link->sdata->vif.debugfs_dir) { WARN_ON(link != &link->sdata->deflink); link->debugfs_dir = NULL; return; }
debugfs_remove_recursive(link->debugfs_dir); link->debugfs_dir = NULL;}
void ieee80211_link_debugfs_drv_add(struct ieee80211_link_data *link){ if (link->sdata->vif.type == NL80211_IFTYPE_MONITOR || WARN_ON(!link->debugfs_dir)) return;
drv_link_add_debugfs(link->sdata->local, link->sdata, link->conf, link->debugfs_dir);}
void ieee80211_link_debugfs_drv_remove(struct ieee80211_link_data *link){ if (!link || !link->debugfs_dir) return;
if (WARN_ON(link->debugfs_dir == link->sdata->vif.debugfs_dir)) return;
/* Recreate the directory excluding the driver data */ debugfs_remove_recursive(link->debugfs_dir); link->debugfs_dir = NULL;
ieee80211_link_debugfs_add(link);}